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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.314 by root, Mon Jul 23 16:53:15 2007 UTC vs.
Revision 1.509 by root, Mon Apr 5 03:22:25 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;
322	};
323	$TICK_WATCHER->stop;
324	$guard
325	}	396	}
326		397
		398	=item cf::periodic $interval, $cb
		399
		400	Like EV::periodic, but randomly selects a starting point so that the actions
		401	get spread over timer.
		402
		403	=cut
		404
		405	sub periodic($$) {
		406	my ($interval, $cb) = @_;
		407
		408	my $start = rand List::Util::min 180, $interval;
		409
		410	EV::periodic $start, $interval, 0, $cb
		411	}
		412
327	=item cf::get_slot $time[, $priority]	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>:
330	This call blocks and returns only when you have at least C<$time> seconds	416	This call blocks and returns only when you have at least C<$time> seconds
331	of cpu time till the next tick. The slot is only valid till the next cede.	417	of cpu time till the next tick. The slot is only valid till the next cede.
332		418
		419	The optional C<$name> can be used to identify the job to run. It might be
		420	used for statistical purposes and should identify the same time-class.
		421
333	Useful for short background jobs.	422	Useful for short background jobs.
334		423
335	=cut	424	=cut
336		425
337	our @SLOT_QUEUE;	426	our @SLOT_QUEUE;
338	our $SLOT_QUEUE;	427	our $SLOT_QUEUE;
		428	our $SLOT_DECAY = 0.9;
339		429
340	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	430	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
341	$SLOT_QUEUE = Coro::async {	431	$SLOT_QUEUE = Coro::async {
		432	$Coro::current->desc ("timeslot manager");
		433
342	my $signal = new Coro::Signal;	434	my $signal = new Coro::Signal;
		435	my $busy;
343		436
344	while () {	437	while () {
345	next_job:	438	next_job:
		439
346	my $avail = cf::till_tick;	440	my $avail = cf::till_tick;
347	if ($avail > 0.01) {	441
348	for (0 .. $#SLOT_QUEUE) {	442	for (0 .. $#SLOT_QUEUE) {
349	if ($SLOT_QUEUE[$_][0] < $avail) {	443	if ($SLOT_QUEUE[$_][0] <= $avail) {
		444	$busy = 0;
350	my $job = splice @SLOT_QUEUE, $_, 1, ();	445	my $job = splice @SLOT_QUEUE, $_, 1, ();
351	$job->[2]->send;	446	$job->[2]->send;
352	Coro::cede;	447	Coro::cede;
353	goto next_job;	448	goto next_job;
354	}	449	} else {
		450	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
355	}	451	}
356	}	452	}
357		453
358	if (@SLOT_QUEUE) {	454	if (@SLOT_QUEUE) {
359	# 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
360	push @cf::WAIT_FOR_TICK, $signal;	456	push @cf::WAIT_FOR_TICK, $signal;
361	$signal->wait;	457	$signal->wait;
362	} else {	458	} else {
		459	$busy = 0;
363	Coro::schedule;	460	Coro::schedule;
364	}	461	}
365	}	462	}
366	};	463	};
367		464
368	sub get_slot($;$) {	465	sub get_slot($;$$) {
		466	return if tick_inhibit || $Coro::current == $Coro::main;
		467
369	my ($time, $pri) = @_;	468	my ($time, $pri, $name) = @_;
370		469
		470	$time = clamp $time, 0.01, $TICK * .6;
		471
		472	my $sig = new Coro::Signal;
		473
371	push @SLOT_QUEUE, [$time, $pri, my $sig = new Coro::Signal];	474	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
372	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	475	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
373	$SLOT_QUEUE->ready;	476	$SLOT_QUEUE->ready;
374	$sig->wait;	477	$sig->wait;
375	}	478	}
376		479
…		…
384		487
385	BEGIN { *async = \&Coro::async_pool }	488	BEGIN { *async = \&Coro::async_pool }
386		489
387	=item cf::sync_job { BLOCK }	490	=item cf::sync_job { BLOCK }
388		491
389	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	492	The design of Deliantra requires that the main coroutine ($Coro::main)
390	is always able to handle events or runnable, as Crossfire TRT is only	493	is always able to handle events or runnable, as Deliantra is only
391	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	494	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
392	acceptable.	495	acceptable.
393		496
394	If it must be done, put the blocking parts into C<sync_job>. This will run	497	If it must be done, put the blocking parts into C<sync_job>. This will run
395	the given BLOCK in another coroutine while waiting for the result. The	498	the given BLOCK in another coroutine while waiting for the result. The
…		…
400		503
401	sub sync_job(&) {	504	sub sync_job(&) {
402	my ($job) = @_;	505	my ($job) = @_;
403		506
404	if ($Coro::current == $Coro::main) {	507	if ($Coro::current == $Coro::main) {
405	my $time = Event::time;	508	my $time = EV::time;
406		509
407	# this is the main coro, too bad, we have to block	510	# this is the main coro, too bad, we have to block
408	# till the operation succeeds, freezing the server :/	511	# till the operation succeeds, freezing the server :/
409		512
410	# TODO: use suspend/resume instead	513	LOG llevError, Carp::longmess "sync job";#d#
411	# (but this is cancel-safe)	514
412	my $freeze_guard = freeze_mainloop;	515	my $freeze_guard = freeze_mainloop;
413		516
414	my $busy = 1;	517	my $busy = 1;
415	my @res;	518	my @res;
416		519
417	(async {	520	(async {
		521	$Coro::current->desc ("sync job coro");
418	@res = eval { $job->() };	522	@res = eval { $job->() };
419	warn $@ if $@;	523	warn $@ if $@;
420	undef $busy;	524	undef $busy;
421	})->prio (Coro::PRIO_MAX);	525	})->prio (Coro::PRIO_MAX);
422		526
423	while ($busy) {	527	while ($busy) {
424	Coro::cede or Event::one_event;	528	if (Coro::nready) {
		529	Coro::cede_notself;
		530	} else {
		531	EV::loop EV::LOOP_ONESHOT;
425	}	532	}
		533	}
426		534
427	$time = Event::time - $time;	535	my $time = EV::time - $time;
428		536
429	LOG llevError | logBacktrace, Carp::longmess "long sync job"
430	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
431
432	$tick_start += $time; # do not account sync jobs to server load	537	$TICK_START += $time; # do not account sync jobs to server load
433		538
434	wantarray ? @res : $res[0]	539	wantarray ? @res : $res[0]
435	} else {	540	} else {
436	# we are in another coroutine, how wonderful, everything just works	541	# we are in another coroutine, how wonderful, everything just works
437		542
…		…
462	=item fork_call { }, $args	567	=item fork_call { }, $args
463		568
464	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
465	process, returning the results. Everything must be serialisable with	570	process, returning the results. Everything must be serialisable with
466	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
467	never block itself or use any form of Event handling.	572	never block itself or use any form of event handling.
468		573
469	=cut	574	=cut
470
471	sub _store_scalar {
472	open my $fh, ">", \my $buf
473	or die "fork_call: cannot open fh-to-buf in child : $!";
474	Storable::store_fd $_[0], $fh;
475	close $fh;
476
477	$buf
478	}
479		575
480	sub fork_call(&@) {	576	sub fork_call(&@) {
481	my ($cb, @args) = @_;	577	my ($cb, @args) = @_;
482		578
483	# 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,
484	# or die "socketpair: $!";	580	# otherwise perl prematurely frees the stuff :/
485	pipe my $fh1, my $fh2	581	# TODO: investigate and fix (likely this will be rather laborious)
486	or die "pipe: $!";
487		582
488	if (my $pid = fork) {	583	my @res = Coro::Util::fork_eval {
489	close $fh2;
490
491	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
492	warn "pst<$res>" unless $res =~ /^pst/;
493	$res = Coro::Storable::thaw $res;
494
495	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
496
497	Carp::confess $$res unless "ARRAY" eq ref $res;
498
499	return wantarray ? @$res : $res->[-1];
500	} else {
501	reset_signals;	584	reset_signals;
502	local $SIG{__WARN__};	585	&$cb
503	local $SIG{__DIE__};	586	}, @args;
504	# just in case, this hack effectively disables event
505	# in the child. cleaner and slower would be canceling all watchers,
506	# but this works for the time being.
507	local $Coro::idle;
508	$Coro::current->prio (Coro::PRIO_MAX);
509		587
510	eval {	588	wantarray ? @res : $res[-1]
511	close $fh1;	589	}
512		590
513	my @res = eval { $cb->(@args) };	591	=item $coin = coin_from_name $name
514		592
515	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;	593	=cut
516	close $fh2;
517	};
518		594
519	warn $@ if $@;	595	our %coin_alias = (
520	_exit 0;	596	"silver" => "silvercoin",
521	}	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
522	}	616	}
523		617
524	=item $value = cf::db_get $family => $key	618	=item $value = cf::db_get $family => $key
525		619
526	Returns a single value from the environment database.	620	Returns a single value from the environment database.
…		…
528	=item cf::db_put $family => $key => $value	622	=item cf::db_put $family => $key => $value
529		623
530	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
531	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).
532		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
533	=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	}
534		650
535	our $DB;	651	our $DB;
536		652
537	sub db_init {	653	sub db_init {
538	unless ($DB) {
539	$DB = BDB::db_create $DB_ENV;
540
541	cf::sync_job {	654	cf::sync_job {
542	eval {	655	$DB ||= db_table "db";
543	$DB->set_flags (BDB::CHKSUM);
544
545	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
546	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
547	cf::cleanup "db_open(db): $!" if $!;
548	};
549	cf::cleanup "db_open(db): $@" if $@;
550	};
551	}	656	};
552	}	657	}
553		658
554	sub db_get($$) {	659	sub db_get($$) {
555	my $key = "$_[0]/$_[1]";	660	my $key = "$_[0]/$_[1]";
556		661
…		…
606	if (1) {	711	if (1) {
607	$md5 =	712	$md5 =
608	join "\x00",	713	join "\x00",
609	$processversion,	714	$processversion,
610	map {	715	map {
611	Coro::cede;	716	cf::cede_to_tick;
612	($src->[$_], Digest::MD5::md5_hex $data[$_])	717	($src->[$_], Digest::MD5::md5_hex $data[$_])
613	} 0.. $#$src;	718	} 0.. $#$src;
614		719
615		720
616	my $dbmd5 = db_get cache => "$id/md5";	721	my $dbmd5 = db_get cache => "$id/md5";
…		…
654		759
655	#############################################################################	760	#############################################################################
656		761
657	=head2 ATTACHABLE OBJECTS	762	=head2 ATTACHABLE OBJECTS
658		763
659	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
660	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")
661	to it. All such attachable objects support the following methods.	766	to it. All such attachable objects support the following methods.
662		767
663	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>
664	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
665	Crossfire TRT).	770	Deliantra).
666		771
667	=over 4	772	=over 4
668		773
669	=item $attachable->attach ($attachment, key => $value...)	774	=item $attachable->attach ($attachment, key => $value...)
670		775
…		…
714	=item cf::CLASS::attachment $name, ...	819	=item cf::CLASS::attachment $name, ...
715		820
716	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
717	given CLASS can refer to this attachment.	822	given CLASS can refer to this attachment.
718		823
719	Some classes such as crossfire maps and objects can specify attachments	824	Some classes such as deliantra maps and objects can specify attachments
720	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.
721		826
722	These calls expect any number of the following handler/hook descriptions:	827	These calls expect any number of the following handler/hook descriptions:
723		828
724	=over 4	829	=over 4
…		…
952	}	1057	}
953		1058
954	0	1059	0
955	}	1060	}
956		1061
957	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1062	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
958		1063
959	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1064	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
960		1065
961	Generate an object-specific event with the given arguments.	1066	Generate an object-specific event with the given arguments.
962		1067
…		…
968		1073
969	=cut	1074	=cut
970		1075
971	#############################################################################	1076	#############################################################################
972	# object support	1077	# object support
973	#
974		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#
975	sub _can_merge {	1112	sub _can_merge {
976	my ($ob1, $ob2) = @_;	1113	my ($ob1, $ob2) = @_;
977		1114
978	local $Storable::canonical = 1;	1115	++$SLOW_MERGES;#d#
979	my $fob1 = Storable::freeze $ob1;
980	my $fob2 = Storable::freeze $ob2;
981		1116
982	$fob1 eq $fob2	1117	# we do the slow way here
		1118	return _object_equal $ob1, $ob2
983	}	1119	}
984		1120
985	sub reattach {	1121	sub reattach {
986	# basically do the same as instantiate, without calling instantiate	1122	# basically do the same as instantiate, without calling instantiate
987	my ($obj) = @_;	1123	my ($obj) = @_;
988		1124
		1125	# no longer needed after getting rid of delete_package?
989	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
990		1127
991	my $registry = $obj->registry;	1128	my $registry = $obj->registry;
992		1129
993	@$registry = ();	1130	@$registry = ();
994		1131
…		…
1009	cf::attachable->attach (	1146	cf::attachable->attach (
1010	prio => -1000000,	1147	prio => -1000000,
1011	on_instantiate => sub {	1148	on_instantiate => sub {
1012	my ($obj, $data) = @_;	1149	my ($obj, $data) = @_;
1013		1150
1014	$data = from_json $data;	1151	$data = decode_json $data;
1015		1152
1016	for (@$data) {	1153	for (@$data) {
1017	my ($name, $args) = @$_;	1154	my ($name, $args) = @$_;
1018		1155
1019	$obj->attach ($name, %{$args || {} });	1156	$obj->attach ($name, %{$args || {} });
…		…
1035	sub object_freezer_save {	1172	sub object_freezer_save {
1036	my ($filename, $rdata, $objs) = @_;	1173	my ($filename, $rdata, $objs) = @_;
1037		1174
1038	sync_job {	1175	sync_job {
1039	if (length $$rdata) {	1176	if (length $$rdata) {
		1177	utf8::decode (my $decname = $filename);
1040	warn sprintf "saving %s (%d,%d)\n",	1178	warn sprintf "saving %s (%d,%d)\n",
1041	$filename, length $$rdata, scalar @$objs;	1179	$decname, length $$rdata, scalar @$objs;
1042		1180
1043	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1181	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1044	chmod SAVE_MODE, $fh;	1182	aio_chmod $fh, SAVE_MODE;
1045	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1183	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1046	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	}
1047	close $fh;	1188	aio_close $fh;
1048		1189
1049	if (@$objs) {	1190	if (@$objs) {
1050	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) {
1051	chmod SAVE_MODE, $fh;	1192	aio_chmod $fh, SAVE_MODE;
1052	my $data = Storable::nfreeze { version => 1, objs => $objs };	1193	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1053	aio_write $fh, 0, (length $data), $data, 0;	1194	aio_write $fh, 0, (length $data), $data, 0;
1054	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	}
1055	close $fh;	1199	aio_close $fh;
1056	aio_rename "$filename.pst~", "$filename.pst";	1200	aio_rename "$filename.pst~", "$filename.pst";
1057	}	1201	}
1058	} else {	1202	} else {
1059	aio_unlink "$filename.pst";	1203	aio_unlink "$filename.pst";
1060	}	1204	}
1061		1205
1062	aio_rename "$filename~", $filename;	1206	aio_rename "$filename~", $filename;
		1207
		1208	$filename =~ s%/[^/]+$%%;
		1209	aio_pathsync $filename if $cf::USE_FSYNC;
1063	} else {	1210	} else {
1064	warn "FATAL: $filename~: $!\n";	1211	warn "unable to save objects: $filename~: $!\n";
1065	}	1212	}
1066	} else {	1213	} else {
1067	aio_unlink $filename;	1214	aio_unlink $filename;
1068	aio_unlink "$filename.pst";	1215	aio_unlink "$filename.pst";
1069	}	1216	}
1070	}	1217	};
1071	}	1218	}
1072		1219
1073	sub object_freezer_as_string {	1220	sub object_freezer_as_string {
1074	my ($rdata, $objs) = @_;	1221	my ($rdata, $objs) = @_;
1075		1222
…		…
1087	or return;	1234	or return;
1088		1235
1089	unless (aio_stat "$filename.pst") {	1236	unless (aio_stat "$filename.pst") {
1090	(aio_load "$filename.pst", $av) >= 0	1237	(aio_load "$filename.pst", $av) >= 0
1091	or return;	1238	or return;
		1239
1092	$av = eval { (Storable::thaw $av)->{objs} };	1240	my $st = eval { Coro::Storable::thaw $av };
		1241	$av = $st->{objs};
1093	}	1242	}
1094		1243
		1244	utf8::decode (my $decname = $filename);
1095	warn sprintf "loading %s (%d)\n",	1245	warn sprintf "loading %s (%d,%d)\n",
1096	$filename, length $data, scalar @{$av || []};	1246	$decname, length $data, scalar @{$av || []};
		1247
1097	return ($data, $av);	1248	($data, $av)
1098	}	1249	}
1099		1250
1100	=head2 COMMAND CALLBACKS	1251	=head2 COMMAND CALLBACKS
1101		1252
1102	=over 4	1253	=over 4
…		…
1156	my ($name, $cb) = @_;	1307	my ($name, $cb) = @_;
1157		1308
1158	$EXTICMD{$name} = $cb;	1309	$EXTICMD{$name} = $cb;
1159	}	1310	}
1160		1311
		1312	use File::Glob ();
		1313
1161	cf::player->attach (	1314	cf::player->attach (
1162	on_command => sub {	1315	on_unknown_command => sub {
1163	my ($pl, $name, $params) = @_;	1316	my ($pl, $name, $params) = @_;
1164		1317
1165	my $cb = $COMMAND{$name}	1318	my $cb = $COMMAND{$name}
1166	or return;	1319	or return;
1167		1320
…		…
1175	my ($pl, $buf) = @_;	1328	my ($pl, $buf) = @_;
1176		1329
1177	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1330	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1178		1331
1179	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
1180	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1340	if (my $cb = $EXTCMD{$type}) {
1181	if (my %reply = $cb->($pl, $msg)) {	1341	@reply = $cb->($pl, @payload);
1182	$pl->ext_reply ($msg->{msgid}, %reply);
1183	}
1184	}	1342	}
		1343
		1344	$pl->ext_reply ($reply, @reply)
		1345	if $reply;
		1346
1185	} else {	1347	} else {
1186	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1348	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1187	}	1349	}
1188		1350
1189	cf::override;	1351	cf::override;
1190	},	1352	},
1191	);	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	}
1192		1367
1193	sub load_extensions {	1368	sub load_extensions {
1194	cf::sync_job {	1369	cf::sync_job {
1195	my %todo;	1370	my %todo;
1196		1371
…		…
1216		1391
1217	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1392	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1218	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1393	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1219		1394
1220	$ext{source} =	1395	$ext{source} =
1221	"package $pkg; use strict; use utf8;\n"	1396	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1222	. "#line 1 \"$path\"\n{\n"	1397	. "#line 1 \"$path\"\n{\n"
1223	. $source	1398	. $source
1224	. "\n};\n1";	1399	. "\n};\n1";
1225		1400
1226	$todo{$base} = \%ext;	1401	$todo{$base} = \%ext;
1227	}	1402	}
1228		1403
		1404	my $pass = 0;
1229	my %done;	1405	my %done;
1230	while (%todo) {	1406	while (%todo) {
1231	my $progress;	1407	my $progress;
1232		1408
		1409	++$pass;
		1410
		1411	ext:
1233	while (my ($k, $v) = each %todo) {	1412	while (my ($k, $v) = each %todo) {
1234	for (split /,\s*/, $v->{meta}{depends}) {	1413	for (split /,\s*/, $v->{meta}{depends}) {
1235	goto skip	1414	next ext
1236	unless exists $done{$_};	1415	unless exists $done{$_};
1237	}	1416	}
1238		1417
1239	warn "... loading '$k' into '$v->{pkg}'\n";	1418	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1240		1419
1241	unless (eval $v->{source}) {	1420	my $active = eval $v->{source};
		1421
		1422	if (length $@) {
1242	my $msg = $@ ? "$v->{path}: $@\n"	1423	warn "$v->{path}: $@\n";
1243	: "$v->{base}: extension inactive.\n";
1244		1424
		1425	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1245	if (exists $v->{meta}{mandatory}) {	1426	if exists $v->{meta}{mandatory};
1246	warn $msg;	1427	} else {
1247	warn "mandatory extension failed to load, exiting.\n";	1428	$done{$k} = delete $todo{$k};
1248	exit 1;	1429	push @EXTS, $v->{pkg};
1249	}	1430	$progress = 1;
1250		1431
1251	warn $msg;	1432	warn "$v->{base}: extension inactive.\n"
		1433	unless $active;
1252	}	1434	}
1253
1254	$done{$k} = delete $todo{$k};
1255	push @EXTS, $v->{pkg};
1256	$progress = 1;
1257	}	1435	}
1258		1436
1259	skip:	1437	unless ($progress) {
1260	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1438	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1261	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	}
1262	}	1445	}
1263	};	1446	};
1264	}	1447	}
1265		1448
1266	#############################################################################	1449	#############################################################################
1267		1450
1268	=back	1451	=back
1269		1452
1270	=head2 CORE EXTENSIONS	1453	=head2 CORE EXTENSIONS
1271		1454
1272	Functions and methods that extend core crossfire objects.	1455	Functions and methods that extend core deliantra objects.
1273		1456
1274	=cut	1457	=cut
1275		1458
1276	package cf::player;	1459	package cf::player;
1277		1460
1278	use Coro::AIO;	1461	use Coro::AIO;
1279		1462
1280	=head3 cf::player	1463	=head3 cf::player
1281		1464
1282	=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	}
1283		1480
1284	=item cf::player::find $login	1481	=item cf::player::find $login
1285		1482
1286	Returns the given player object, loading it if necessary (might block).	1483	Returns the given player object, loading it if necessary (might block).
1287		1484
…		…
1306		1503
1307	sub exists($) {	1504	sub exists($) {
1308	my ($login) = @_;	1505	my ($login) = @_;
1309		1506
1310	$cf::PLAYER{$login}	1507	$cf::PLAYER{$login}
1311	or cf::sync_job { !aio_stat path $login }	1508	or !aio_stat path $login
1312	}	1509	}
1313		1510
1314	sub find($) {	1511	sub find($) {
1315	return $cf::PLAYER{$_[0]} || do {	1512	return $cf::PLAYER{$_[0]} || do {
1316	my $login = $_[0];	1513	my $login = $_[0];
…		…
1323	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1520	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1324	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1521	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1325	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1522	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1326	aio_unlink +(playerdir $login) . "/$login.pl";	1523	aio_unlink +(playerdir $login) . "/$login.pl";
1327		1524
1328	my $pl = load_pl path $login	1525	my $f = new_from_file cf::object::thawer path $login
1329	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;
1330	$cf::PLAYER{$login} = $pl	1533	$cf::PLAYER{$login} = $pl
1331	}	1534	}
1332	}	1535	}
1333	}	1536	}
1334		1537
…		…
1343	return if $pl->{deny_save};	1546	return if $pl->{deny_save};
1344		1547
1345	aio_mkdir playerdir $pl, 0770;	1548	aio_mkdir playerdir $pl, 0770;
1346	$pl->{last_save} = $cf::RUNTIME;	1549	$pl->{last_save} = $cf::RUNTIME;
1347		1550
		1551	cf::get_slot 0.01;
		1552
1348	$pl->save_pl ($path);	1553	$pl->save_pl ($path);
1349	Coro::cede;	1554	cf::cede_to_tick;
1350	}	1555	}
1351		1556
1352	sub new($) {	1557	sub new($) {
1353	my ($login) = @_;	1558	my ($login) = @_;
1354		1559
…		…
1360	$cf::PLAYER{$login} = $self;	1565	$cf::PLAYER{$login} = $self;
1361		1566
1362	$self	1567	$self
1363	}	1568	}
1364		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
1365	=item $pl->quit_character	1580	=item $pl->quit_character
1366		1581
1367	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
1368	be destroyed. May block for a long time.	1583	be destroyed. May block for a long time.
1369		1584
…		…
1373	my ($pl) = @_;	1588	my ($pl) = @_;
1374		1589
1375	my $name = $pl->ob->name;	1590	my $name = $pl->ob->name;
1376		1591
1377	$pl->{deny_save} = 1;	1592	$pl->{deny_save} = 1;
1378	$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
1379		1594
1380	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1595	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1381	$pl->deactivate;	1596	$pl->deactivate;
		1597	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1598	$pl->ob->check_score;
1382	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1599	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1383	$pl->ns->destroy if $pl->ns;	1600	$pl->ns->destroy if $pl->ns;
1384		1601
1385	my $path = playerdir $pl;	1602	my $path = playerdir $pl;
1386	my $temp = "$path~$cf::RUNTIME~deleting~";	1603	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1422	or return [];	1639	or return [];
1423		1640
1424	my @logins;	1641	my @logins;
1425		1642
1426	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") {
1427	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1649	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1428	aio_read $fh, 0, 512, my $buf, 0 or next;	1650	aio_read $fh, 0, 512, my $buf, 0 or next;
1429	$buf !~ /^password -------------$/m or next; # official not-valid tag	1651	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1652	}
1430		1653
1431	utf8::decode $login;	1654	utf8::decode $login;
1432	push @logins, $login;	1655	push @logins, $login;
1433	}	1656	}
1434		1657
…		…
1461	}	1684	}
1462		1685
1463	\@paths	1686	\@paths
1464	}	1687	}
1465		1688
1466	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1689	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1467		1690
1468	Expand crossfire pod fragments into protocol xml.	1691	Expand deliantra pod fragments into protocol xml.
1469		1692
1470	=cut
1471
1472	sub expand_cfpod {
1473	((my $self), (local $_)) = @_;
1474
1475	# escape & and <
1476	s/&/&amp;/g;
1477	s/(?<![BIUGH])</&lt;/g;
1478
1479	# this is buggy, it needs to properly take care of nested <'s
1480
1481	1 while
1482	# replace B<>, I<>, U<> etc.
1483	s/B<([^\>]*)>/<b>$1<\/b>/
1484	|| s/I<([^\>]*)>/<i>$1<\/i>/
1485	|| s/U<([^\>]*)>/<u>$1<\/u>/
1486	# replace G<male|female> tags
1487	|| s{G<([^>|]*)\|([^>]*)>}{
1488	$self->gender ? $2 : $1
1489	}ge
1490	# replace H<hint text>
1491	|| s{H<([^\>]*)>}
1492	{
1493	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1494	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1495	"")
1496	[$self->{hintmode}]
1497	}ge;
1498
1499	# create single paragraphs (very hackish)
1500	s/(?<=\S)\n(?=\w)/ /g;
1501
1502	# compress some whitespace
1503	s/\s+\n/\n/g; # ws line-ends
1504	s/\n\n+/\n/g; # double lines
1505	s/^\n+//; # beginning lines
1506	s/\n+$//; # ending lines
1507
1508	$_
1509	}
1510
1511	sub hintmode {
1512	$_[0]{hintmode} = $_[1] if @_ > 1;
1513	$_[0]{hintmode}
1514	}
1515
1516	=item $player->ext_reply ($msgid, %msg)	1693	=item $player->ext_reply ($msgid, @msg)
1517		1694
1518	Sends an ext reply to the player.	1695	Sends an ext reply to the player.
1519		1696
1520	=cut	1697	=cut
1521		1698
1522	sub ext_reply($$%) {	1699	sub ext_reply($$@) {
1523	my ($self, $id, %msg) = @_;	1700	my ($self, $id, @msg) = @_;
1524		1701
1525	$msg{msgid} = $id;	1702	$self->ns->ext_reply ($id, @msg)
1526	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1527	}	1703	}
1528		1704
1529	=item $player->ext_event ($type, %msg)	1705	=item $player->ext_msg ($type, @msg)
1530		1706
1531	Sends an ext event to the client.	1707	Sends an ext event to the client.
1532		1708
1533	=cut	1709	=cut
1534		1710
1535	sub ext_event($$%) {	1711	sub ext_msg($$@) {
1536	my ($self, $type, %msg) = @_;	1712	my ($self, $type, @msg) = @_;
1537		1713
1538	$self->ns->ext_event ($type, %msg);	1714	$self->ns->ext_msg ($type, @msg);
1539	}	1715	}
1540		1716
1541	=head3 cf::region	1717	=head3 cf::region
1542		1718
1543	=over 4	1719	=over 4
…		…
1587	our $MAX_RESET = 3600;	1763	our $MAX_RESET = 3600;
1588	our $DEFAULT_RESET = 3000;	1764	our $DEFAULT_RESET = 3000;
1589		1765
1590	sub generate_random_map {	1766	sub generate_random_map {
1591	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
1592	# mit "rum" bekleckern, nicht	1771	# mit "rum" bekleckern, nicht
1593	$self->_create_random_map (	1772	$self->_create_random_map (
1594	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1773	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1595	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1774	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1596	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1775	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1597	$rmp->{exit_on_final_map},	1776	$rmp->{exit_on_final_map},
1598	$rmp->{xsize}, $rmp->{ysize},	1777	$rmp->{xsize}, $rmp->{ysize},
1599	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1778	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1600	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1779	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1718		1897
1719	# the temporary/swap location	1898	# the temporary/swap location
1720	sub save_path {	1899	sub save_path {
1721	my ($self) = @_;	1900	my ($self) = @_;
1722		1901
1723	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1902	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1724	"$TMPDIR/$path.map"	1903	"$TMPDIR/$path.map"
1725	}	1904	}
1726		1905
1727	# the unique path, undef == no special unique path	1906	# the unique path, undef == no special unique path
1728	sub uniq_path {	1907	sub uniq_path {
1729	my ($self) = @_;	1908	my ($self) = @_;
1730		1909
1731	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1910	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1732	"$UNIQUEDIR/$path"	1911	"$UNIQUEDIR/$path"
1733	}
1734
1735	# and all this just because we cannot iterate over
1736	# all maps in C++...
1737	sub change_all_map_light {
1738	my ($change) = @_;
1739
1740	$_->change_map_light ($change)
1741	for grep $_->outdoor, values %cf::MAP;
1742	}	1912	}
1743		1913
1744	sub decay_objects {	1914	sub decay_objects {
1745	my ($self) = @_;	1915	my ($self) = @_;
1746		1916
…		…
1759		1929
1760	sub load_header_from($) {	1930	sub load_header_from($) {
1761	my ($self, $path) = @_;	1931	my ($self, $path) = @_;
1762		1932
1763	utf8::encode $path;	1933	utf8::encode $path;
1764	#aio_open $path, O_RDONLY, 0	1934	my $f = new_from_file cf::object::thawer $path
1765	# or return;
1766
1767	$self->_load_header ($path)
1768	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;
1769		1942
1770	$self->{load_path} = $path;	1943	$self->{load_path} = $path;
1771		1944
1772	1	1945	1
1773	}	1946	}
…		…
1827	sub find {	2000	sub find {
1828	my ($path, $origin) = @_;	2001	my ($path, $origin) = @_;
1829		2002
1830	$path = normalise $path, $origin && $origin->path;	2003	$path = normalise $path, $origin && $origin->path;
1831		2004
		2005	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1832	cf::lock_wait "map_find:$path";	2006	my $guard2 = cf::lock_acquire "map_find:$path";
1833		2007
1834	$cf::MAP{$path} || do {	2008	$cf::MAP{$path} || do {
1835	my $guard = cf::lock_acquire "map_find:$path";
1836	my $map = new_from_path cf::map $path	2009	my $map = new_from_path cf::map $path
1837	or return;	2010	or return;
1838		2011
1839	$map->{last_save} = $cf::RUNTIME;	2012	$map->{last_save} = $cf::RUNTIME;
1840		2013
…		…
1842	or return;	2015	or return;
1843		2016
1844	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2017	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1845	# doing this can freeze the server in a sync job, obviously	2018	# doing this can freeze the server in a sync job, obviously
1846	#$cf::WAIT_FOR_TICK->wait;	2019	#$cf::WAIT_FOR_TICK->wait;
		2020	undef $guard2;
		2021	undef $guard1;
1847	$map->reset;	2022	$map->reset;
1848	undef $guard;
1849	return find $path;	2023	return find $path;
1850	}	2024	}
1851		2025
1852	$cf::MAP{$path} = $map	2026	$cf::MAP{$path} = $map
1853	}	2027	}
1854	}	2028	}
1855		2029
1856	sub pre_load { }	2030	sub pre_load { }
1857	sub post_load { }	2031	#sub post_load { } # XS
1858		2032
1859	sub load {	2033	sub load {
1860	my ($self) = @_;	2034	my ($self) = @_;
1861		2035
1862	local $self->{deny_reset} = 1; # loading can take a long time	2036	local $self->{deny_reset} = 1; # loading can take a long time
1863		2037
1864	my $path = $self->{path};	2038	my $path = $self->{path};
1865		2039
1866	{	2040	{
1867	my $guard = cf::lock_acquire "map_load:$path";	2041	my $guard = cf::lock_acquire "map_data:$path";
1868		2042
		2043	return unless $self->valid;
1869	return if $self->in_memory != cf::MAP_SWAPPED;	2044	return unless $self->in_memory == cf::MAP_SWAPPED;
1870		2045
1871	$self->in_memory (cf::MAP_LOADING);	2046	$self->in_memory (cf::MAP_LOADING);
1872		2047
1873	$self->alloc;	2048	$self->alloc;
1874		2049
1875	$self->pre_load;	2050	$self->pre_load;
1876	Coro::cede;	2051	cf::cede_to_tick;
1877		2052
		2053	my $f = new_from_file cf::object::thawer $self->{load_path};
		2054	$f->skip_block;
1878	$self->_load_objects ($self->{load_path}, 1)	2055	$self->_load_objects ($f)
1879	or return;	2056	or return;
1880		2057
1881	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2058	$self->post_load_original
1882	if delete $self->{load_original};	2059	if delete $self->{load_original};
1883		2060
1884	if (my $uniq = $self->uniq_path) {	2061	if (my $uniq = $self->uniq_path) {
1885	utf8::encode $uniq;	2062	utf8::encode $uniq;
1886	if (aio_open $uniq, O_RDONLY, 0) {	2063	unless (aio_stat $uniq) {
		2064	if (my $f = new_from_file cf::object::thawer $uniq) {
1887	$self->clear_unique_items;	2065	$self->clear_unique_items;
1888	$self->_load_objects ($uniq, 0);	2066	$self->_load_objects ($f);
		2067	$f->resolve_delayed_derefs;
		2068	}
1889	}	2069	}
1890	}	2070	}
1891		2071
1892	Coro::cede;	2072	$f->resolve_delayed_derefs;
		2073
		2074	cf::cede_to_tick;
1893	# now do the right thing for maps	2075	# now do the right thing for maps
1894	$self->link_multipart_objects;	2076	$self->link_multipart_objects;
1895	$self->difficulty ($self->estimate_difficulty)	2077	$self->difficulty ($self->estimate_difficulty)
1896	unless $self->difficulty;	2078	unless $self->difficulty;
1897	Coro::cede;	2079	cf::cede_to_tick;
1898		2080
1899	unless ($self->{deny_activate}) {	2081	unless ($self->{deny_activate}) {
1900	$self->decay_objects;	2082	$self->decay_objects;
1901	$self->fix_auto_apply;	2083	$self->fix_auto_apply;
1902	$self->update_buttons;	2084	$self->update_buttons;
1903	Coro::cede;	2085	cf::cede_to_tick;
1904	$self->set_darkness_map;
1905	Coro::cede;
1906	$self->activate;	2086	$self->activate;
1907	}	2087	}
1908		2088
		2089	$self->{last_save} = $cf::RUNTIME;
		2090	$self->last_access ($cf::RUNTIME);
		2091
1909	$self->in_memory (cf::MAP_IN_MEMORY);	2092	$self->in_memory (cf::MAP_ACTIVE);
1910	}	2093	}
1911		2094
1912	$self->post_load;	2095	$self->post_load;
1913	}	2096	}
1914		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
1915	sub customise_for {	2101	sub customise_for {
1916	my ($self, $ob) = @_;	2102	my ($self, $ob) = @_;
1917		2103
1918	return find "~" . $ob->name . "/" . $self->{path}	2104	return find "~" . $ob->name . "/" . $self->{path}
1919	if $self->per_player;	2105	if $self->per_player;
…		…
1923		2109
1924	$self	2110	$self
1925	}	2111	}
1926		2112
1927	# 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
1928	sub load_diag {	2114	sub load_neighbours {
1929	my ($map) = @_;	2115	my ($map) = @_;
1930		2116
1931	my @diag; # diagonal neighbours	2117	my @neigh; # diagonal neighbours
1932		2118
1933	for (0 .. 3) {	2119	for (0 .. 3) {
1934	my $neigh = $map->tile_path ($_)	2120	my $neigh = $map->tile_path ($_)
1935	or next;	2121	or next;
1936	$neigh = find $neigh, $map	2122	$neigh = find $neigh, $map
1937	or next;	2123	or next;
1938	$neigh->load;	2124	$neigh->load;
1939		2125
		2126	push @neigh,
1940	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2127	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1941	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2128	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1942	}	2129	}
1943		2130
1944	for (@diag) {	2131	for (grep defined $_->[0], @neigh) {
		2132	my ($path, $origin) = @$_;
1945	my $neigh = find @$_	2133	my $neigh = find $path, $origin
1946	or next;	2134	or next;
1947	$neigh->load;	2135	$neigh->load;
1948	}	2136	}
1949	}	2137	}
1950		2138
…		…
1955	}	2143	}
1956		2144
1957	sub do_load_sync {	2145	sub do_load_sync {
1958	my ($map) = @_;	2146	my ($map) = @_;
1959		2147
		2148	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2149	if $Coro::current == $Coro::main;
		2150
1960	cf::sync_job { $map->load };	2151	cf::sync_job { $map->load };
1961	}	2152	}
1962		2153
1963	our %MAP_PREFETCH;	2154	our %MAP_PREFETCH;
1964	our $MAP_PREFETCHER = undef;	2155	our $MAP_PREFETCHER = undef;
1965		2156
1966	sub find_async {	2157	sub find_async {
1967	my ($path, $origin) = @_;	2158	my ($path, $origin, $load) = @_;
1968		2159
1969	$path = normalise $path, $origin && $origin->{path};	2160	$path = normalise $path, $origin && $origin->{path};
1970		2161
1971	if (my $map = $cf::MAP{$path}) {	2162	if (my $map = $cf::MAP{$path}) {
1972	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2163	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1973	}	2164	}
1974		2165
1975	undef $MAP_PREFETCH{$path};	2166	$MAP_PREFETCH{$path} |= $load;
		2167
1976	$MAP_PREFETCHER ||= cf::async {	2168	$MAP_PREFETCHER ||= cf::async {
		2169	$Coro::current->{desc} = "map prefetcher";
		2170
1977	while (%MAP_PREFETCH) {	2171	while (%MAP_PREFETCH) {
1978	for my $path (keys %MAP_PREFETCH) {	2172	while (my ($k, $v) = each %MAP_PREFETCH) {
1979	if (my $map = find $path) {	2173	if (my $map = find $k) {
1980	$map->load;	2174	$map->load if $v;
1981	}	2175	}
1982		2176
1983	delete $MAP_PREFETCH{$path};	2177	delete $MAP_PREFETCH{$k};
1984	}	2178	}
1985	}	2179	}
1986	undef $MAP_PREFETCHER;	2180	undef $MAP_PREFETCHER;
1987	};	2181	};
1988	$MAP_PREFETCHER->prio (6);	2182	$MAP_PREFETCHER->prio (6);
…		…
1991	}	2185	}
1992		2186
1993	sub save {	2187	sub save {
1994	my ($self) = @_;	2188	my ($self) = @_;
1995		2189
1996	my $lock = cf::lock_acquire "map_data:" . $self->path;	2190	my $lock = cf::lock_acquire "map_data:$self->{path}";
1997		2191
1998	$self->{last_save} = $cf::RUNTIME;	2192	$self->{last_save} = $cf::RUNTIME;
1999		2193
2000	return unless $self->dirty;	2194	return unless $self->dirty;
2001		2195
…		…
2007	return if $self->{deny_save};	2201	return if $self->{deny_save};
2008		2202
2009	local $self->{last_access} = $self->last_access;#d#	2203	local $self->{last_access} = $self->last_access;#d#
2010		2204
2011	cf::async {	2205	cf::async {
		2206	$Coro::current->{desc} = "map player save";
2012	$_->contr->save for $self->players;	2207	$_->contr->save for $self->players;
2013	};	2208	};
		2209
		2210	cf::get_slot 0.02;
2014		2211
2015	if ($uniq) {	2212	if ($uniq) {
2016	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2213	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2017	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2214	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2018	} else {	2215	} else {
…		…
2024	my ($self) = @_;	2221	my ($self) = @_;
2025		2222
2026	# save first because save cedes	2223	# save first because save cedes
2027	$self->save;	2224	$self->save;
2028		2225
2029	my $lock = cf::lock_acquire "map_data:" . $self->path;	2226	my $lock = cf::lock_acquire "map_data:$self->{path}";
2030		2227
2031	return if $self->players;	2228	return if $self->players;
2032	return if $self->in_memory != cf::MAP_IN_MEMORY;	2229	return if $self->in_memory != cf::MAP_ACTIVE;
2033	return if $self->{deny_save};	2230	return if $self->{deny_save};
2034		2231
		2232	$self->in_memory (cf::MAP_SWAPPED);
		2233
		2234	$self->deactivate;
		2235	$_->clear_links_to ($self) for values %cf::MAP;
2035	$self->clear;	2236	$self->clear;
2036	$self->in_memory (cf::MAP_SWAPPED);
2037	}	2237	}
2038		2238
2039	sub reset_at {	2239	sub reset_at {
2040	my ($self) = @_;	2240	my ($self) = @_;
2041		2241
…		…
2059		2259
2060	my $lock = cf::lock_acquire "map_data:$self->{path}";	2260	my $lock = cf::lock_acquire "map_data:$self->{path}";
2061		2261
2062	return if $self->players;	2262	return if $self->players;
2063		2263
2064	warn "resetting map ", $self->path;	2264	warn "resetting map ", $self->path, "\n";
2065		2265
2066	$self->in_memory (cf::MAP_SWAPPED);	2266	$self->in_memory (cf::MAP_SWAPPED);
2067		2267
2068	# need to save uniques path	2268	# need to save uniques path
2069	unless ($self->{deny_save}) {	2269	unless ($self->{deny_save}) {
…		…
2073	if $uniq;	2273	if $uniq;
2074	}	2274	}
2075		2275
2076	delete $cf::MAP{$self->path};	2276	delete $cf::MAP{$self->path};
2077		2277
		2278	$self->deactivate;
		2279	$_->clear_links_to ($self) for values %cf::MAP;
2078	$self->clear;	2280	$self->clear;
2079
2080	$_->clear_links_to ($self) for values %cf::MAP;
2081		2281
2082	$self->unlink_save;	2282	$self->unlink_save;
2083	$self->destroy;	2283	$self->destroy;
2084	}	2284	}
2085		2285
2086	my $nuke_counter = "aaaa";	2286	my $nuke_counter = "aaaa";
2087		2287
2088	sub nuke {	2288	sub nuke {
2089	my ($self) = @_;	2289	my ($self) = @_;
2090		2290
		2291	{
		2292	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2293
2091	delete $cf::MAP{$self->path};	2294	delete $cf::MAP{$self->path};
2092		2295
2093	$self->unlink_save;	2296	$self->unlink_save;
2094		2297
2095	bless $self, "cf::map";	2298	bless $self, "cf::map";
2096	delete $self->{deny_reset};	2299	delete $self->{deny_reset};
2097	$self->{deny_save} = 1;	2300	$self->{deny_save} = 1;
2098	$self->reset_timeout (1);	2301	$self->reset_timeout (1);
2099	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2302	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2100		2303
2101	$cf::MAP{$self->path} = $self;	2304	$cf::MAP{$self->path} = $self;
		2305	}
2102		2306
2103	$self->reset; # polite request, might not happen	2307	$self->reset; # polite request, might not happen
2104	}	2308	}
2105		2309
2106	=item $maps = cf::map::tmp_maps	2310	=item $maps = cf::map::tmp_maps
…		…
2148		2352
2149	sub unique_maps() {	2353	sub unique_maps() {
2150	[	2354	[
2151	map {	2355	map {
2152	utf8::decode $_;	2356	utf8::decode $_;
2153	/\.map$/	2357	s/\.map$//; # TODO future compatibility hack
		2358	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2359	? ()
2154	? normalise $_	2360	: normalise $_
2155	: ()
2156	} @{ aio_readdir $UNIQUEDIR or [] }	2361	} @{ aio_readdir $UNIQUEDIR or [] }
2157	]	2362	]
2158	}	2363	}
2159		2364
2160	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	}
2161		2396
2162	=back	2397	=back
2163		2398
2164	=head3 cf::object	2399	=head3 cf::object
2165		2400
…		…
2169		2404
2170	=over 4	2405	=over 4
2171		2406
2172	=item $ob->inv_recursive	2407	=item $ob->inv_recursive
2173		2408
2174	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.
2175		2411
2176	=cut	2412	=cut
2177		2413
2178	sub inv_recursive_;	2414	sub inv_recursive_;
2179	sub inv_recursive_ {	2415	sub inv_recursive_ {
…		…
2182		2418
2183	sub inv_recursive {	2419	sub inv_recursive {
2184	inv_recursive_ inv $_[0]	2420	inv_recursive_ inv $_[0]
2185	}	2421	}
2186		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
2187	package cf;	2451	package cf;
2188		2452
2189	=back	2453	=back
2190		2454
2191	=head3 cf::object::player	2455	=head3 cf::object::player
…		…
2197	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>
2198	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
2199	dialogue with the given NPC character.	2463	dialogue with the given NPC character.
2200		2464
2201	=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	};
2202		2480
2203	# rough implementation of a future "reply" method that works	2481	# rough implementation of a future "reply" method that works
2204	# with dialog boxes.	2482	# with dialog boxes.
2205	#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
2206	sub cf::object::player::reply($$$;$) {	2484	sub cf::object::player::reply($$$;$) {
…		…
2213		2491
2214	} else {	2492	} else {
2215	my $pl = $self->contr;	2493	my $pl = $self->contr;
2216		2494
2217	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2495	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2218	my $diag = $pl->{npc_dialog};	2496	my $dialog = $pl->{npc_dialog};
2219	$diag->{pl}->ext_reply (	2497	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2220	$diag->{id},
2221	msgtype => "reply",
2222	msg => $diag->{pl}->expand_cfpod ($msg),
2223	add_topics => []
2224	);
2225		2498
2226	} else {	2499	} else {
2227	$msg = $npc->name . " says: $msg" if $npc;	2500	$msg = $npc->name . " says: $msg" if $npc;
2228	$self->message ($msg, $flags);	2501	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2229	}	2502	}
2230	}	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 (@_);
2231	}	2514	}
2232		2515
2233	=item $player_object->may ("access")	2516	=item $player_object->may ("access")
2234		2517
2235	Returns wether the given player is authorized to access resource "access"	2518	Returns wether the given player is authorized to access resource "access"
…		…
2248		2531
2249	=item $player_object->enter_link	2532	=item $player_object->enter_link
2250		2533
2251	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}>).
2252		2535
2253	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.
2254	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.
2255		2540
2256	Will never block.	2541	Will never block.
2257		2542
2258	=item $player_object->leave_link ($map, $x, $y)	2543	=item $player_object->leave_link ($map, $x, $y)
2259		2544
…		…
2311	($x, $y) = (-1, -1)	2596	($x, $y) = (-1, -1)
2312	unless (defined $x) && (defined $y);	2597	unless (defined $x) && (defined $y);
2313		2598
2314	# use -1 or undef as default coordinates, not 0, 0	2599	# use -1 or undef as default coordinates, not 0, 0
2315	($x, $y) = ($map->enter_x, $map->enter_y)	2600	($x, $y) = ($map->enter_x, $map->enter_y)
2316	if $x <=0 && $y <= 0;	2601	if $x <= 0 && $y <= 0;
2317		2602
2318	$map->load;	2603	$map->load;
2319	$map->load_diag;	2604	$map->load_neighbours;
2320		2605
2321	return unless $self->contr->active;	2606	return unless $self->contr->active;
2322	$self->activate_recursive;
2323		2607
2324	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2608	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2325	$self->enter_map ($map, $x, $y);	2609	$self->enter_map ($map, $x, $y);
		2610
		2611	# only activate afterwards, to support waiting in hooks
		2612	$self->activate_recursive;
2326	}	2613	}
2327		2614
2328	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2615	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2329		2616
2330	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
2331	her, loading and preparing them map, calling the provided $check callback	2618	her, loading and preparing them map, calling the provided $check callback
2332	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
2333	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
2334	be called at the end of this process.	2621	be called at the end of this process.
2335		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
2336	=cut	2626	=cut
2337		2627
2338	our $GOTOGEN;	2628	our $GOTOGEN;
2339		2629
2340	sub cf::object::player::goto {	2630	sub cf::object::player::goto {
…		…
2344	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2634	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2345		2635
2346	$self->enter_link;	2636	$self->enter_link;
2347		2637
2348	(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
2349	my $map = eval {	2660	my $map = eval {
2350	my $map = cf::map::find $path;	2661	my $map = defined $path ? cf::map::find $path : undef;
2351		2662
2352	if ($map) {	2663	if ($map) {
2353	$map = $map->customise_for ($self);	2664	$map = $map->customise_for ($self);
2354	$map = $check->($map) if $check && $map;	2665	$map = $check->($map) if $check && $map;
2355	} else {	2666	} else {
2356	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2667	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2357	}	2668	}
2358		2669
2359	$map	2670	$map
2360	};	2671	};
2361		2672
…		…
2397	}	2708	}
2398		2709
2399	sub prepare_random_map {	2710	sub prepare_random_map {
2400	my ($exit) = @_;	2711	my ($exit) = @_;
2401		2712
2402	my $guard = cf::lock_acquire "exit_prepare:$exit";
2403
2404	# all this does is basically replace the /! path by	2713	# all this does is basically replace the /! path by
2405	# a new random map path (?random/...) with a seed	2714	# a new random map path (?random/...) with a seed
2406	# that depends on the exit object	2715	# that depends on the exit object
2407		2716
2408	my $rmp = parse_random_map_params $exit->msg;	2717	my $rmp = parse_random_map_params $exit->msg;
…		…
2410	if ($exit->map) {	2719	if ($exit->map) {
2411	$rmp->{region} = $exit->region->name;	2720	$rmp->{region} = $exit->region->name;
2412	$rmp->{origin_map} = $exit->map->path;	2721	$rmp->{origin_map} = $exit->map->path;
2413	$rmp->{origin_x} = $exit->x;	2722	$rmp->{origin_x} = $exit->x;
2414	$rmp->{origin_y} = $exit->y;	2723	$rmp->{origin_y} = $exit->y;
		2724
		2725	$exit->map->touch;
2415	}	2726	}
2416		2727
2417	$rmp->{random_seed} ||= $exit->random_seed;	2728	$rmp->{random_seed} ||= $exit->random_seed;
2418		2729
2419	my $data = cf::to_json $rmp;	2730	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2420	my $md5 = Digest::MD5::md5_hex $data;	2731	my $md5 = Digest::MD5::md5_hex $data;
2421	my $meta = "$RANDOMDIR/$md5.meta";	2732	my $meta = "$RANDOMDIR/$md5.meta";
2422		2733
2423	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2734	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2424	aio_write $fh, 0, (length $data), $data, 0;	2735	aio_write $fh, 0, (length $data), $data, 0;
2425	undef $fh;	2736	undef $fh;
2426	aio_rename "$meta~", $meta;	2737	aio_rename "$meta~", $meta;
2427		2738
		2739	my $slaying = "?random/$md5";
		2740
		2741	if ($exit->valid) {
2428	$exit->slaying ("?random/$md5");	2742	$exit->slaying ("?random/$md5");
2429	$exit->msg (undef);	2743	$exit->msg (undef);
		2744	}
2430	}	2745	}
2431	}	2746	}
2432		2747
2433	sub cf::object::player::enter_exit {	2748	sub cf::object::player::enter_exit {
2434	my ($self, $exit) = @_;	2749	my ($self, $exit) = @_;
2435		2750
2436	return unless $self->type == cf::PLAYER;	2751	return unless $self->type == cf::PLAYER;
2437		2752
2438	if ($exit->slaying eq "/!") {
2439	#TODO: this should de-fi-ni-te-ly not be a sync-job
2440	# the problem is that $exit might not survive long enough
2441	# so it needs to be done right now, right here
2442	cf::sync_job { prepare_random_map $exit };
2443	}
2444
2445	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2446	my $hp = $exit->stats->hp;
2447	my $sp = $exit->stats->sp;
2448
2449	$self->enter_link;	2753	$self->enter_link;
2450		2754
2451	# if exit is damned, update players death & WoR home-position
2452	$self->contr->savebed ($slaying, $hp, $sp)
2453	if $exit->flag (FLAG_DAMNED);
2454
2455	(async {	2755	(async {
2456	$self->deactivate_recursive; # just to be sure	2756	$Coro::current->{desc} = "enter_exit";
		2757
2457	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
2458	$self->goto ($slaying, $hp, $sp);	2773	$self->goto ($map, $x, $y);
2459		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
2460	1;	2779	1
2461	}) {	2780	}) {
2462	$self->message ("Something went wrong deep within the crossfire server. "	2781	$self->message ("Something went wrong deep within the deliantra server. "
2463	. "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. "
2464	. "Please report this to the dungeon master!",	2783	. "Please report this to the dungeon master!",
2465	cf::NDI_UNIQUE | cf::NDI_RED);	2784	cf::NDI_UNIQUE | cf::NDI_RED);
2466		2785
2467	warn "ERROR in enter_exit: $@";	2786	warn "ERROR in enter_exit: $@";
…		…
2484	sub cf::client::send_drawinfo {	2803	sub cf::client::send_drawinfo {
2485	my ($self, $text, $flags) = @_;	2804	my ($self, $text, $flags) = @_;
2486		2805
2487	utf8::encode $text;	2806	utf8::encode $text;
2488	$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);
2489	}	2833	}
2490		2834
2491	=item $client->send_msg ($channel, $msg, $color, [extra...])	2835	=item $client->send_msg ($channel, $msg, $color, [extra...])
2492		2836
2493	Send a drawinfo or msg packet to the client, formatting the msg for the	2837	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2495	the message, with C<log> being the default. If C<$color> is negative, suppress	2839	the message, with C<log> being the default. If C<$color> is negative, suppress
2496	the message unless the client supports the msg packet.	2840	the message unless the client supports the msg packet.
2497		2841
2498	=cut	2842	=cut
2499		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" => $CHAT_CHANNEL,
		2956	);
		2957
2500	sub cf::client::send_msg {	2958	sub cf::client::send_msg {
2501	my ($self, $channel, $msg, $color, @extra) = @_;	2959	my ($self, $channel, $msg, $color, @extra) = @_;
2502		2960
2503	$msg = $self->pl->expand_cfpod ($msg);	2961	$msg = $self->pl->expand_cfpod ($msg)
		2962	unless $color & cf::NDI_VERBATIM;
2504		2963
2505	$color &= ~cf::NDI_UNIQUE; # just in case...	2964	$color &= cf::NDI_CLIENT_MASK; # just in case...
2506		2965
		2966	# check predefined channels, for the benefit of C
		2967	if ($CHANNEL{$channel}) {
		2968	$channel = $CHANNEL{$channel};
		2969
		2970	$self->ext_msg (channel_info => $channel);
		2971	$channel = $channel->{id};
		2972
2507	if (ref $channel) {	2973	} elsif (ref $channel) {
2508	# send meta info to client, if not yet sent	2974	# send meta info to client, if not yet sent
2509	unless (exists $self->{channel}{$channel->{id}}) {	2975	unless (exists $self->{channel}{$channel->{id}}) {
2510	$self->{channel}{$channel->{id}} = $channel;	2976	$self->{channel}{$channel->{id}} = $channel;
2511	$self->ext_event (channel_info => %$channel);	2977	$self->ext_msg (channel_info => $channel);
2512	}	2978	}
2513		2979
2514	$channel = $channel->{id};	2980	$channel = $channel->{id};
2515	}	2981	}
2516		2982
2517	return unless @extra || length $msg;	2983	return unless @extra || length $msg;
2518		2984
2519	if ($self->can_msg) {	2985	# default colour, mask it out
2520	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));	2986	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2521	} else {	2987	if $color & cf::NDI_DEF;
2522	# replace some tags by gcfclient-compatible ones
2523	for ($msg) {
2524	1 while
2525	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2526	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2527	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2528	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2529	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2530	}
2531		2988
2532	if ($color >= 0) {	2989	my $pkt = "msg "
2533	if (0 && $msg =~ /\[/) {	2990	. $self->{json_coder}->encode (
2534	$self->send_packet ("drawextinfo $color 4 0 $msg")	2991	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2535	} else {	2992	);
2536	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2537	$self->send_packet ("drawinfo $color $msg")
2538	}
2539	}
2540	}
2541	}
2542		2993
		2994	$self->send_big_packet ($pkt);
		2995	}
		2996
2543	=item $client->ext_event ($type, %msg)	2997	=item $client->ext_msg ($type, @msg)
2544		2998
2545	Sends an ext event to the client.	2999	Sends an ext event to the client.
2546		3000
2547	=cut	3001	=cut
2548		3002
2549	sub cf::client::ext_event($$%) {	3003	sub cf::client::ext_msg($$@) {
2550	my ($self, $type, %msg) = @_;	3004	my ($self, $type, @msg) = @_;
2551		3005
2552	return unless $self->extcmd;	3006	if ($self->extcmd == 2) {
2553		3007	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3008	} elsif ($self->extcmd == 1) { # TODO: remove
2554	$msg{msgtype} = "event_$type";	3009	push @msg, msgtype => "event_$type";
2555	$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	}
2556	}	3030	}
2557		3031
2558	=item $success = $client->query ($flags, "text", \&cb)	3032	=item $success = $client->query ($flags, "text", \&cb)
2559		3033
2560	Queues a query to the client, calling the given callback with	3034	Queues a query to the client, calling the given callback with
…		…
2615	my ($ns, $buf) = @_;	3089	my ($ns, $buf) = @_;
2616		3090
2617	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3091	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2618		3092
2619	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
2620	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3101	if (my $cb = $EXTICMD{$type}) {
2621	if (my %reply = $cb->($ns, $msg)) {	3102	@reply = $cb->($ns, @payload);
2622	$reply{msgid} = $msg->{msgid};
2623	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2624	}
2625	}	3103	}
		3104
		3105	$ns->ext_reply ($reply, @reply)
		3106	if $reply;
		3107
2626	} else {	3108	} else {
2627	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";
2628	}	3110	}
2629		3111
2630	cf::override;	3112	cf::override;
…		…
2652		3134
2653	$coro	3135	$coro
2654	}	3136	}
2655		3137
2656	cf::client->attach (	3138	cf::client->attach (
2657	on_destroy => sub {	3139	on_client_destroy => sub {
2658	my ($ns) = @_;	3140	my ($ns) = @_;
2659		3141
2660	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3142	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2661	},	3143	},
2662	);	3144	);
…		…
2677	our $safe = new Safe "safe";	3159	our $safe = new Safe "safe";
2678	our $safe_hole = new Safe::Hole;	3160	our $safe_hole = new Safe::Hole;
2679		3161
2680	$SIG{FPE} = 'IGNORE';	3162	$SIG{FPE} = 'IGNORE';
2681		3163
2682	$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	));
2683		3169
2684	# here we export the classes and methods available to script code	3170	# here we export the classes and methods available to script code
2685		3171
2686	=pod	3172	=pod
2687		3173
2688	The following functions and methods are available within a safe environment:	3174	The following functions and methods are available within a safe environment:
2689		3175
2690	cf::object	3176	cf::object
2691	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
2692	insert remove	3178	insert remove name archname title slaying race decrease split
		3179	value
2693		3180
2694	cf::object::player	3181	cf::object::player
2695	player	3182	player
2696		3183
2697	cf::player	3184	cf::player
…		…
2702		3189
2703	=cut	3190	=cut
2704		3191
2705	for (	3192	for (
2706	["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
2707	insert remove)],	3194	insert remove inv nrof name archname title slaying race
		3195	decrease split destroy change_exp value msg lore send_msg)],
2708	["cf::object::player" => qw(player)],	3196	["cf::object::player" => qw(player)],
2709	["cf::player" => qw(peaceful)],	3197	["cf::player" => qw(peaceful send_msg)],
2710	["cf::map" => qw(trigger)],	3198	["cf::map" => qw(trigger)],
2711	) {	3199	) {
2712	no strict 'refs';	3200	no strict 'refs';
2713	my ($pkg, @funs) = @$_;	3201	my ($pkg, @funs) = @$_;
2714	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3202	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2732		3220
2733	my $qcode = $code;	3221	my $qcode = $code;
2734	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3222	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2735	$qcode =~ s/\n/\\n/g;	3223	$qcode =~ s/\n/\\n/g;
2736		3224
		3225	%vars = (_dummy => 0) unless %vars;
		3226
		3227	my @res;
2737	local $_;	3228	local $_;
2738	local @safe::cf::_safe_eval_args = values %vars;
2739		3229
2740	my $eval =	3230	my $eval =
2741	"do {\n"	3231	"do {\n"
2742	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3232	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2743	. "#line 0 \"{$qcode}\"\n"	3233	. "#line 0 \"{$qcode}\"\n"
2744	. $code	3234	. $code
2745	. "\n}"	3235	. "\n}"
2746	;	3236	;
2747		3237
		3238	if ($CFG{safe_eval}) {
2748	sub_generation_inc;	3239	sub_generation_inc;
		3240	local @safe::cf::_safe_eval_args = values %vars;
2749	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3241	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2750	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	}
2751		3247
2752	if ($@) {	3248	if ($@) {
2753	warn "$@";	3249	warn "$@";
2754	warn "while executing safe code '$code'\n";	3250	warn "while executing safe code '$code'\n";
2755	warn "with arguments " . (join " ", %vars) . "\n";	3251	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2774	=cut	3270	=cut
2775		3271
2776	sub register_script_function {	3272	sub register_script_function {
2777	my ($fun, $cb) = @_;	3273	my ($fun, $cb) = @_;
2778		3274
2779	no strict 'refs';	3275	$fun = "safe::$fun" if $CFG{safe_eval};
2780	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3276	*$fun = $safe_hole->wrap ($cb);
2781	}	3277	}
2782		3278
2783	=back	3279	=back
2784		3280
2785	=cut	3281	=cut
…		…
2787	#############################################################################	3283	#############################################################################
2788	# the server's init and main functions	3284	# the server's init and main functions
2789		3285
2790	sub load_facedata($) {	3286	sub load_facedata($) {
2791	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;
2792		3294
2793	warn "loading facedata from $path\n";	3295	warn "loading facedata from $path\n";
2794		3296
2795	my $facedata;	3297	my $facedata;
2796	0 < aio_load $path, $facedata	3298	0 < aio_load $path, $facedata
…		…
2799	$facedata = Coro::Storable::thaw $facedata;	3301	$facedata = Coro::Storable::thaw $facedata;
2800		3302
2801	$facedata->{version} == 2	3303	$facedata->{version} == 2
2802	or cf::cleanup "$path: version mismatch, cannot proceed.";	3304	or cf::cleanup "$path: version mismatch, cannot proceed.";
2803		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
2804	{	3315	{
2805	my $faces = $facedata->{faceinfo};	3316	my $faces = $facedata->{faceinfo};
2806		3317
2807	while (my ($face, $info) = each %$faces) {	3318	while (my ($face, $info) = each %$faces) {
2808	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3319	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3320
2809	cf::face::set_visibility $idx, $info->{visibility};	3321	cf::face::set_visibility $idx, $info->{visibility};
2810	cf::face::set_magicmap $idx, $info->{magicmap};	3322	cf::face::set_magicmap $idx, $info->{magicmap};
2811	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3323	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2812	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3324	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2813		3325
2814	cf::cede_to_tick;	3326	cf::cede_to_tick;
2815	}	3327	}
2816		3328
2817	while (my ($face, $info) = each %$faces) {	3329	while (my ($face, $info) = each %$faces) {
2818	next unless $info->{smooth};	3330	next unless $info->{smooth};
		3331
2819	my $idx = cf::face::find $face	3332	my $idx = cf::face::find $face
2820	or next;	3333	or next;
		3334
2821	if (my $smooth = cf::face::find $info->{smooth}) {	3335	if (my $smooth = cf::face::find $info->{smooth}) {
2822	cf::face::set_smooth $idx, $smooth;	3336	cf::face::set_smooth $idx, $smooth;
2823	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3337	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2824	} else {	3338	} else {
2825	warn "smooth face '$info->{smooth}' not found for face '$face'";	3339	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2839		3353
2840	cf::anim::invalidate_all; # d'oh	3354	cf::anim::invalidate_all; # d'oh
2841	}	3355	}
2842		3356
2843	{	3357	{
2844	# TODO: for gcfclient pleasure, we should give resources
2845	# that gcfclient doesn't grok a >10000 face index.
2846	my $res = $facedata->{resource};	3358	my $res = $facedata->{resource};
2847	my $enc = JSON::XS->new->utf8->canonical;
2848		3359
2849	while (my ($name, $info) = each %$res) {	3360	while (my ($name, $info) = each %$res) {
2850	my $meta = $enc->encode ({	3361	if (defined $info->{type}) {
2851	name => $name,
2852	type => $info->{type},
2853	copyright => $info->{copyright}, #TODO#
2854	});
2855
2856	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3362	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2857		3363
2858	if ($name =~ /\.jpg$/) {
2859	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack	3364	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
2860	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack	3365	cf::face::set_type $idx, $info->{type};
2861	} else {	3366	} else {
2862	my $data = pack "(w/a*)*", $meta, $info->{data};	3367	$RESOURCE{$name} = $info;
2863	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2864
2865	cf::face::set_type $idx, 1;
2866	cf::face::set_data $idx, 0, $data, $chk;
2867	}	3368	}
2868		3369
2869	cf::cede_to_tick;	3370	cf::cede_to_tick;
2870	}	3371	}
2871	}	3372	}
2872		3373
		3374	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3375
2873	1	3376	1
2874	}	3377	}
2875		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
2876	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
2877	load_resource_file "$MAPDIR/regions"	3422	load_resource_file "$MAPDIR/regions"
2878	or die "unable to load regions file\n";	3423	or die "unable to load regions file\n";
2879		3424
2880	for (cf::region::list) {	3425	for (cf::region::list) {
2881	$_->{match} = qr/$_->{match}/	3426	$_->{match} = qr/$_->{match}/
…		…
2889	}	3434	}
2890		3435
2891	sub reload_archetypes {	3436	sub reload_archetypes {
2892	load_resource_file "$DATADIR/archetypes"	3437	load_resource_file "$DATADIR/archetypes"
2893	or die "unable to load archetypes\n";	3438	or die "unable to load archetypes\n";
2894	#d# NEED to laod twice to resolve forward references
2895	# this really needs to be done in an extra post-pass
2896	# (which needs to be synchronous, so solve it differently)
2897	load_resource_file "$DATADIR/archetypes"
2898	or die "unable to load archetypes\n";
2899	}	3439	}
2900		3440
2901	sub reload_treasures {	3441	sub reload_treasures {
2902	load_resource_file "$DATADIR/treasures"	3442	load_resource_file "$DATADIR/treasures"
2903	or die "unable to load treasurelists\n";	3443	or die "unable to load treasurelists\n";
2904	}	3444	}
2905		3445
2906	sub reload_resources {	3446	sub reload_resources {
2907	warn "reloading resource files...\n";	3447	warn "reloading resource files...\n";
2908		3448
		3449	reload_facedata;
		3450	reload_archetypes;
2909	reload_regions;	3451	reload_regions;
2910	reload_facedata;
2911	#reload_archetypes;#d#
2912	reload_archetypes;
2913	reload_treasures;	3452	reload_treasures;
2914		3453
2915	warn "finished reloading resource files\n";	3454	warn "finished reloading resource files\n";
2916	}	3455	}
2917		3456
2918	sub init {	3457	sub reload_config {
2919	reload_resources;	3458	warn "reloading config file...\n";
2920	}
2921		3459
2922	sub cfg_load {
2923	open my $fh, "<:utf8", "$CONFDIR/config"	3460	open my $fh, "<:utf8", "$CONFDIR/config"
2924	or return;	3461	or return;
2925		3462
2926	local $/;	3463	local $/;
2927	*CFG = YAML::Syck::Load <$fh>;	3464	*CFG = YAML::XS::Load scalar <$fh>;
2928		3465
2929	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3466	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2930		3467
2931	$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};
2932	$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};
…		…
2936	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3473	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2937	and die "WARNING: m(un)lockall failed: $!\n";	3474	and die "WARNING: m(un)lockall failed: $!\n";
2938	};	3475	};
2939	warn $@ if $@;	3476	warn $@ if $@;
2940	}	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;
2941	}	3508	}
2942		3509
2943	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
2944	# we must not ever block the main coroutine	3525	# we must not ever block the main coroutine
2945	local $Coro::idle = sub {	3526	local $Coro::idle = sub {
2946	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#
2947	(async {	3528	(async {
2948	Event::one_event;	3529	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3530	EV::loop EV::LOOP_ONESHOT;
2949	})->prio (Coro::PRIO_MAX);	3531	})->prio (Coro::PRIO_MAX);
2950	};	3532	};
2951		3533
2952	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;
2953	db_init;	3542	db_init;
		3543
		3544	cf::init_uuid;
		3545	cf::init_signals;
		3546	cf::init_commands;
		3547	cf::init_skills;
		3548
		3549	cf::init_beforeplay;
		3550
		3551	atomic;
		3552
2954	load_extensions;	3553	load_extensions;
2955		3554
2956	$TICK_WATCHER->start;	3555	utime time, time, $RUNTIMEFILE;
2957	Event::loop;	3556
		3557	# no (long-running) fork's whatsoever before this point(!)
		3558	use POSIX ();
		3559	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3560
		3561	(pop @POST_INIT)->(0) while @POST_INIT;
		3562	};
		3563
		3564	main_loop;
2958	}	3565	}
2959		3566
2960	#############################################################################	3567	#############################################################################
2961	# initialisation and cleanup	3568	# initialisation and cleanup
2962		3569
2963	# install some emergency cleanup handlers	3570	# install some emergency cleanup handlers
2964	BEGIN {	3571	BEGIN {
		3572	our %SIGWATCHER = ();
2965	for my $signal (qw(INT HUP TERM)) {	3573	for my $signal (qw(INT HUP TERM)) {
2966	Event->signal (	3574	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2967	reentrant => 0,
2968	data => WF_AUTOCANCEL,
2969	signal => $signal,
2970	prio => 0,
2971	cb => sub {
2972	cf::cleanup "SIG$signal";	3575	cf::cleanup "SIG$signal";
2973	},
2974	);	3576	};
2975	}	3577	}
2976	}	3578	}
2977		3579
2978	sub write_runtime {	3580	sub write_runtime_sync {
2979	my $runtime = "$LOCALDIR/runtime";	3581	my $t0 = EV::time;
2980		3582
2981	# first touch the runtime file to show we are still running:	3583	# first touch the runtime file to show we are still running:
2982	# the fsync below can take a very very long time.	3584	# the fsync below can take a very very long time.
2983		3585
2984	IO::AIO::aio_utime $runtime, undef, undef;	3586	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2985		3587
2986	my $guard = cf::lock_acquire "write_runtime";	3588	my $guard = cf::lock_acquire "write_runtime";
2987		3589
2988	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3590	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2989	or return;	3591	or return;
2990		3592
2991	my $value = $cf::RUNTIME + 90 + 10;	3593	my $value = $cf::RUNTIME + 90 + 10;
2992	# 10 is the runtime save interval, for a monotonic clock	3594	# 10 is the runtime save interval, for a monotonic clock
2993	# 60 allows for the watchdog to kill the server.	3595	# 60 allows for the watchdog to kill the server.
…		…
3003	aio_utime $fh, undef, undef;	3605	aio_utime $fh, undef, undef;
3004		3606
3005	close $fh	3607	close $fh
3006	or return;	3608	or return;
3007		3609
3008	aio_rename "$runtime~", $runtime	3610	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3009	and return;	3611	and return;
3010		3612
3011	warn "runtime file written.\n";	3613	warn sprintf "runtime file written (%gs).\n", EV::time - $t0;
3012		3614
3013	1	3615	1
		3616	}
		3617
		3618	our $uuid_lock;
		3619	our $uuid_skip;
		3620
		3621	sub write_uuid_sync($) {
		3622	$uuid_skip ||= $_[0];
		3623
		3624	return if $uuid_lock;
		3625	local $uuid_lock = 1;
		3626
		3627	my $uuid = "$LOCALDIR/uuid";
		3628
		3629	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3630	or return;
		3631
		3632	my $value = uuid_seq uuid_cur;
		3633
		3634	unless ($value) {
		3635	warn "cowardly refusing to write zero uuid value!\n";
		3636	return;
		3637	}
		3638
		3639	my $value = uuid_str $value + $uuid_skip;
		3640	$uuid_skip = 0;
		3641
		3642	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3643	and return;
		3644
		3645	# always fsync - this file is important
		3646	aio_fsync $fh
		3647	and return;
		3648
		3649	close $fh
		3650	or return;
		3651
		3652	aio_rename "$uuid~", $uuid
		3653	and return;
		3654
		3655	warn "uuid file written ($value).\n";
		3656
		3657	1
		3658
		3659	}
		3660
		3661	sub write_uuid($$) {
		3662	my ($skip, $sync) = @_;
		3663
		3664	$sync ? write_uuid_sync $skip
		3665	: async { write_uuid_sync $skip };
3014	}	3666	}
3015		3667
3016	sub emergency_save() {	3668	sub emergency_save() {
3017	my $freeze_guard = cf::freeze_mainloop;	3669	my $freeze_guard = cf::freeze_mainloop;
3018		3670
3019	warn "enter emergency perl save\n";	3671	warn "emergency_perl_save: enter\n";
3020		3672
3021	cf::sync_job {	3673	cf::sync_job {
		3674	# this is a trade-off: we want to be very quick here, so
		3675	# save all maps without fsync, and later call a global sync
		3676	# (which in turn might be very very slow)
		3677	local $USE_FSYNC = 0;
		3678
3022	# use a peculiar iteration method to avoid tripping on perl	3679	# use a peculiar iteration method to avoid tripping on perl
3023	# refcount bugs in for. also avoids problems with players	3680	# refcount bugs in for. also avoids problems with players
3024	# and maps saved/destroyed asynchronously.	3681	# and maps saved/destroyed asynchronously.
3025	warn "begin emergency player save\n";	3682	warn "emergency_perl_save: begin player save\n";
3026	for my $login (keys %cf::PLAYER) {	3683	for my $login (keys %cf::PLAYER) {
3027	my $pl = $cf::PLAYER{$login} or next;	3684	my $pl = $cf::PLAYER{$login} or next;
3028	$pl->valid or next;	3685	$pl->valid or next;
		3686	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3029	$pl->save;	3687	$pl->save;
3030	}	3688	}
3031	warn "end emergency player save\n";	3689	warn "emergency_perl_save: end player save\n";
3032		3690
3033	warn "begin emergency map save\n";	3691	warn "emergency_perl_save: begin map save\n";
3034	for my $path (keys %cf::MAP) {	3692	for my $path (keys %cf::MAP) {
3035	my $map = $cf::MAP{$path} or next;	3693	my $map = $cf::MAP{$path} or next;
3036	$map->valid or next;	3694	$map->valid or next;
3037	$map->save;	3695	$map->save;
3038	}	3696	}
3039	warn "end emergency map save\n";	3697	warn "emergency_perl_save: end map save\n";
3040		3698
3041	warn "begin emergency database checkpoint\n";	3699	warn "emergency_perl_save: begin database checkpoint\n";
3042	BDB::db_env_txn_checkpoint $DB_ENV;	3700	BDB::db_env_txn_checkpoint $DB_ENV;
3043	warn "end emergency database checkpoint\n";	3701	warn "emergency_perl_save: end database checkpoint\n";
		3702
		3703	warn "emergency_perl_save: begin write uuid\n";
		3704	write_uuid_sync 1;
		3705	warn "emergency_perl_save: end write uuid\n";
3044	};	3706	};
3045		3707
		3708	warn "emergency_perl_save: starting sync()\n";
		3709	IO::AIO::aio_sync sub {
		3710	warn "emergency_perl_save: finished sync()\n";
		3711	};
		3712
3046	warn "leave emergency perl save\n";	3713	warn "emergency_perl_save: leave\n";
3047	}	3714	}
3048		3715
3049	sub post_cleanup {	3716	sub post_cleanup {
3050	my ($make_core) = @_;	3717	my ($make_core) = @_;
3051		3718
3052	warn Carp::longmess "post_cleanup backtrace"	3719	warn Carp::longmess "post_cleanup backtrace"
3053	if $make_core;	3720	if $make_core;
		3721
		3722	my $fh = pidfile;
		3723	unlink $PIDFILE if <$fh> == $$;
		3724	}
		3725
		3726	# a safer delete_package, copied from Symbol
		3727	sub clear_package($) {
		3728	my $pkg = shift;
		3729
		3730	# expand to full symbol table name if needed
		3731	unless ($pkg =~ /^main::.*::$/) {
		3732	$pkg = "main$pkg" if $pkg =~ /^::/;
		3733	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3734	$pkg .= '::' unless $pkg =~ /::$/;
		3735	}
		3736
		3737	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3738	my $stem_symtab = *{$stem}{HASH};
		3739
		3740	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3741	or return;
		3742
		3743	# clear all symbols
		3744	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3745	for my $name (keys %$leaf_symtab) {
		3746	_gv_clear *{"$pkg$name"};
		3747	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3748	}
		3749	warn "cleared package $pkg\n";#d#
3054	}	3750	}
3055		3751
3056	sub do_reload_perl() {	3752	sub do_reload_perl() {
3057	# can/must only be called in main	3753	# can/must only be called in main
3058	if ($Coro::current != $Coro::main) {	3754	if ($Coro::current != $Coro::main) {
3059	warn "can only reload from main coroutine";	3755	warn "can only reload from main coroutine";
3060	return;	3756	return;
3061	}	3757	}
3062		3758
		3759	return if $RELOAD++;
		3760
		3761	my $t1 = EV::time;
		3762
		3763	while ($RELOAD) {
3063	warn "reloading...";	3764	warn "reloading...";
3064		3765
3065	warn "entering sync_job";	3766	warn "entering sync_job";
3066		3767
3067	cf::sync_job {	3768	cf::sync_job {
3068	cf::write_runtime; # external watchdog should not bark	3769	cf::write_runtime_sync; # external watchdog should not bark
3069	cf::emergency_save;	3770	cf::emergency_save;
3070	cf::write_runtime; # external watchdog should not bark	3771	cf::write_runtime_sync; # external watchdog should not bark
3071		3772
3072	warn "syncing database to disk";	3773	warn "syncing database to disk";
3073	BDB::db_env_txn_checkpoint $DB_ENV;	3774	BDB::db_env_txn_checkpoint $DB_ENV;
3074		3775
3075	# if anything goes wrong in here, we should simply crash as we already saved	3776	# if anything goes wrong in here, we should simply crash as we already saved
3076		3777
3077	warn "cancelling all WF_AUTOCANCEL watchers";
3078	for (Event::all_watchers) {
3079	$_->cancel if $_->data & WF_AUTOCANCEL;
3080	}
3081
3082	warn "flushing outstanding aio requests";	3778	warn "flushing outstanding aio requests";
3083	for (;;) {
3084	BDB::flush;
3085	IO::AIO::flush;
3086	Coro::cede;
3087	last unless IO::AIO::nreqs || BDB::nreqs;	3779	while (IO::AIO::nreqs || BDB::nreqs) {
3088	warn "iterate...";	3780	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3089	}
3090
3091	++$RELOAD;
3092
3093	warn "cancelling all extension coros";
3094	$_->cancel for values %EXT_CORO;
3095	%EXT_CORO = ();
3096
3097	warn "removing commands";
3098	%COMMAND = ();
3099
3100	warn "removing ext/exti commands";
3101	%EXTCMD = ();
3102	%EXTICMD = ();
3103
3104	warn "unloading/nuking all extensions";
3105	for my $pkg (@EXTS) {
3106	warn "... unloading $pkg";
3107
3108	if (my $cb = $pkg->can ("unload")) {
3109	eval {
3110	$cb->($pkg);
3111	1
3112	} or warn "$pkg unloaded, but with errors: $@";
3113	}	3781	}
3114		3782
3115	warn "... nuking $pkg";	3783	warn "cancelling all extension coros";
3116	Symbol::delete_package $pkg;	3784	$_->cancel for values %EXT_CORO;
3117	}	3785	%EXT_CORO = ();
3118		3786
3119	warn "unloading all perl modules loaded from $LIBDIR";	3787	warn "removing commands";
3120	while (my ($k, $v) = each %INC) {	3788	%COMMAND = ();
3121	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3122		3789
		3790	warn "removing ext/exti commands";
		3791	%EXTCMD = ();
		3792	%EXTICMD = ();
		3793
		3794	warn "unloading/nuking all extensions";
		3795	for my $pkg (@EXTS) {
3123	warn "... unloading $k";	3796	warn "... unloading $pkg";
3124	delete $INC{$k};
3125		3797
3126	$k =~ s/\.pm$//;
3127	$k =~ s/\//::/g;
3128
3129	if (my $cb = $k->can ("unload_module")) {	3798	if (my $cb = $pkg->can ("unload")) {
		3799	eval {
3130	$cb->();	3800	$cb->($pkg);
		3801	1
		3802	} or warn "$pkg unloaded, but with errors: $@";
		3803	}
		3804
		3805	warn "... clearing $pkg";
		3806	clear_package $pkg;
3131	}	3807	}
3132		3808
3133	Symbol::delete_package $k;	3809	warn "unloading all perl modules loaded from $LIBDIR";
		3810	while (my ($k, $v) = each %INC) {
		3811	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3812
		3813	warn "... unloading $k";
		3814	delete $INC{$k};
		3815
		3816	$k =~ s/\.pm$//;
		3817	$k =~ s/\//::/g;
		3818
		3819	if (my $cb = $k->can ("unload_module")) {
		3820	$cb->();
		3821	}
		3822
		3823	clear_package $k;
3134	}	3824	}
3135		3825
3136	warn "getting rid of safe::, as good as possible";	3826	warn "getting rid of safe::, as good as possible";
3137	Symbol::delete_package "safe::$_"	3827	clear_package "safe::$_"
3138	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3828	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3139		3829
3140	warn "unloading cf.pm \"a bit\"";	3830	warn "unloading cf.pm \"a bit\"";
3141	delete $INC{"cf.pm"};	3831	delete $INC{"cf.pm"};
3142	delete $INC{"cf/pod.pm"};	3832	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3143		3833
3144	# don't, removes xs symbols, too,	3834	# don't, removes xs symbols, too,
3145	# and global variables created in xs	3835	# and global variables created in xs
3146	#Symbol::delete_package __PACKAGE__;	3836	#clear_package __PACKAGE__;
3147		3837
3148	warn "unload completed, starting to reload now";	3838	warn "unload completed, starting to reload now";
3149		3839
3150	warn "reloading cf.pm";	3840	warn "reloading cf.pm";
3151	require cf;	3841	require cf;
3152	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3842	cf::_connect_to_perl_1;
3153		3843
3154	warn "loading config and database again";	3844	warn "loading config and database again";
3155	cf::cfg_load;	3845	cf::reload_config;
3156		3846
3157	warn "loading extensions";	3847	warn "loading extensions";
3158	cf::load_extensions;	3848	cf::load_extensions;
3159		3849
		3850	if ($REATTACH_ON_RELOAD) {
3160	warn "reattaching attachments to objects/players";	3851	warn "reattaching attachments to objects/players";
3161	_global_reattach; # objects, sockets	3852	_global_reattach; # objects, sockets
3162	warn "reattaching attachments to maps";	3853	warn "reattaching attachments to maps";
3163	reattach $_ for values %MAP;	3854	reattach $_ for values %MAP;
3164	warn "reattaching attachments to players";	3855	warn "reattaching attachments to players";
3165	reattach $_ for values %PLAYER;	3856	reattach $_ for values %PLAYER;
		3857	}
3166		3858
		3859	warn "running post_init jobs";
		3860	(pop @POST_INIT)->(1) while @POST_INIT;
		3861
3167	warn "leaving sync_job";	3862	warn "leaving sync_job";
3168		3863
3169	1	3864	1
3170	} or do {	3865	} or do {
3171	warn $@;	3866	warn $@;
3172	warn "error while reloading, exiting.";	3867	cf::cleanup "error while reloading, exiting.";
3173	exit 1;
3174	};	3868	};
3175		3869
3176	warn "reloaded";	3870	warn "reloaded";
		3871	--$RELOAD;
		3872	}
		3873
		3874	$t1 = EV::time - $t1;
		3875	warn "reload completed in ${t1}s\n";
3177	};	3876	};
3178		3877
3179	our $RELOAD_WATCHER; # used only during reload	3878	our $RELOAD_WATCHER; # used only during reload
3180		3879
3181	sub reload_perl() {	3880	sub reload_perl() {
3182	# doing reload synchronously and two reloads happen back-to-back,	3881	# doing reload synchronously and two reloads happen back-to-back,
3183	# coro crashes during coro_state_free->destroy here.	3882	# coro crashes during coro_state_free->destroy here.
3184		3883
3185	$RELOAD_WATCHER ||= Event->timer (	3884	$RELOAD_WATCHER ||= cf::async {
3186	reentrant => 0,	3885	Coro::AIO::aio_wait cache_extensions;
3187	after => 0,	3886
3188	data => WF_AUTOCANCEL,	3887	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3189	cb => sub {
3190	do_reload_perl;	3888	do_reload_perl;
3191	undef $RELOAD_WATCHER;	3889	undef $RELOAD_WATCHER;
3192	},	3890	};
3193	);	3891	};
3194	}	3892	}
3195		3893
3196	register_command "reload" => sub {	3894	register_command "reload" => sub {
3197	my ($who, $arg) = @_;	3895	my ($who, $arg) = @_;
3198		3896
3199	if ($who->flag (FLAG_WIZ)) {	3897	if ($who->flag (FLAG_WIZ)) {
3200	$who->message ("reloading server.");	3898	$who->message ("reloading server.");
		3899	async {
		3900	$Coro::current->{desc} = "perl_reload";
3201	async { reload_perl };	3901	reload_perl;
		3902	};
3202	}	3903	}
3203	};	3904	};
3204		3905
3205	unshift @INC, $LIBDIR;	3906	unshift @INC, $LIBDIR;
3206		3907
…		…
3208		3909
3209	our @WAIT_FOR_TICK;	3910	our @WAIT_FOR_TICK;
3210	our @WAIT_FOR_TICK_BEGIN;	3911	our @WAIT_FOR_TICK_BEGIN;
3211		3912
3212	sub wait_for_tick {	3913	sub wait_for_tick {
3213	return unless $TICK_WATCHER->is_active;
3214	return if $Coro::current == $Coro::main;	3914	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3215		3915
3216	my $signal = new Coro::Signal;	3916	my $signal = new Coro::Signal;
3217	push @WAIT_FOR_TICK, $signal;	3917	push @WAIT_FOR_TICK, $signal;
3218	$signal->wait;	3918	$signal->wait;
3219	}	3919	}
3220		3920
3221	sub wait_for_tick_begin {	3921	sub wait_for_tick_begin {
3222	return unless $TICK_WATCHER->is_active;
3223	return if $Coro::current == $Coro::main;	3922	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3224		3923
3225	my $signal = new Coro::Signal;	3924	my $signal = new Coro::Signal;
3226	push @WAIT_FOR_TICK_BEGIN, $signal;	3925	push @WAIT_FOR_TICK_BEGIN, $signal;
3227	$signal->wait;	3926	$signal->wait;
3228	}	3927	}
3229		3928
3230	my $min = 1e6;#d#	3929	sub tick {
3231	my $avg = 10;
3232	$TICK_WATCHER = Event->timer (
3233	reentrant => 0,
3234	parked => 1,
3235	prio => 0,
3236	at => $NEXT_TICK || $TICK,
3237	data => WF_AUTOCANCEL,
3238	cb => sub {
3239	if ($Coro::current != $Coro::main) {	3930	if ($Coro::current != $Coro::main) {
3240	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3931	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3241	unless ++$bug_warning > 10;	3932	unless ++$bug_warning > 10;
3242	return;	3933	return;
3243	}	3934	}
3244		3935
3245	$NOW = $tick_start = Event::time;
3246
3247	cf::server_tick; # one server iteration	3936	cf::server_tick; # one server iteration
3248		3937
3249	0 && sync_job {#d#	3938	#for(1..3e6){} EV::now_update; $NOW=EV::now; # generate load #d#
3250	for(1..10) {
3251	my $t = Event::time;
3252	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3253	or die;
3254		3939
3255	$map->width (50);	3940	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3256	$map->height (50);	3941	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3257	$map->alloc;	3942	Coro::async_pool {
3258	$map->_load_objects ("/tmp/x.map", 1);	3943	$Coro::current->{desc} = "runtime saver";
3259	my $t = Event::time - $t;	3944	write_runtime_sync
3260		3945	or warn "ERROR: unable to write runtime file: $!";
3261	#next unless $t < 0.0013;#d#
3262	if ($t < $min) {
3263	$min = $t;
3264	}
3265	$avg = $avg * 0.99 + $t * 0.01;
3266	}
3267	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3268	exit 0;
3269	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3270	};	3946	};
		3947	}
3271		3948
3272	$RUNTIME += $TICK;
3273	$NEXT_TICK += $TICK;
3274
3275	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3276	$NEXT_RUNTIME_WRITE = $NOW + 10;
3277	Coro::async_pool {
3278	write_runtime
3279	or warn "ERROR: unable to write runtime file: $!";
3280	};
3281	}
3282
3283	# my $AFTER = Event::time;
3284	# warn $AFTER - $NOW;#d#
3285
3286	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3949	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3287	$sig->send;	3950	$sig->send;
3288	}	3951	}
3289	while (my $sig = shift @WAIT_FOR_TICK) {	3952	while (my $sig = shift @WAIT_FOR_TICK) {
3290	$sig->send;	3953	$sig->send;
3291	}	3954	}
3292		3955
3293	$NOW = Event::time;	3956	$LOAD = ($NOW - $TICK_START) / $TICK;
3294
3295	# if we are delayed by four ticks or more, skip them all
3296	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3297
3298	$TICK_WATCHER->at ($NEXT_TICK);
3299	$TICK_WATCHER->start;
3300
3301	$LOAD = ($NOW - $tick_start) / $TICK;
3302	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3957	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3303		3958
3304	_post_tick;	3959	if (0) {
3305		3960	if ($NEXT_TICK) {
3306		3961	my $jitter = $TICK_START - $NEXT_TICK;
		3962	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3963	warn "jitter $JITTER\n";#d#
		3964	}
3307	},	3965	}
3308	);	3966	}
3309		3967
3310	{	3968	{
3311	BDB::max_poll_time $TICK * 0.1;	3969	# configure BDB
3312	$BDB_POLL_WATCHER = Event->io (	3970
3313	reentrant => 0,
3314	fd => BDB::poll_fileno,
3315	poll => 'r',
3316	prio => 0,
3317	data => WF_AUTOCANCEL,
3318	cb => \&BDB::poll_cb,
3319	);
3320	BDB::min_parallel 8;	3971	BDB::min_parallel 16;
3321		3972	BDB::max_poll_reqs $TICK * 0.1;
3322	BDB::set_sync_prepare {	3973	$AnyEvent::BDB::WATCHER->priority (1);
3323	my $status;
3324	my $current = $Coro::current;
3325	(
3326	sub {
3327	$status = $!;
3328	$current->ready; undef $current;
3329	},
3330	sub {
3331	Coro::schedule while defined $current;
3332	$! = $status;
3333	},
3334	)
3335	};
3336		3974
3337	unless ($DB_ENV) {	3975	unless ($DB_ENV) {
3338	$DB_ENV = BDB::db_env_create;	3976	$DB_ENV = BDB::db_env_create;
		3977	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3978	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3979	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3980	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3981	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3339		3982
3340	cf::sync_job {	3983	cf::sync_job {
3341	eval {	3984	eval {
3342	BDB::db_env_open	3985	BDB::db_env_open
3343	$DB_ENV,	3986	$DB_ENV,
…		…
3345	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3988	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3346	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3989	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3347	0666;	3990	0666;
3348		3991
3349	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3992	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3350
3351	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3352	$DB_ENV->set_lk_detect;
3353	};	3993	};
3354		3994
3355	cf::cleanup "db_env_open(db): $@" if $@;	3995	cf::cleanup "db_env_open(db): $@" if $@;
3356	};	3996	};
3357	}	3997	}
		3998
		3999	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4000	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4001	};
		4002	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4003	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4004	};
		4005	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4006	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4007	};
3358	}	4008	}
3359		4009
3360	{	4010	{
		4011	# configure IO::AIO
		4012
3361	IO::AIO::min_parallel 8;	4013	IO::AIO::min_parallel 8;
3362
3363	undef $Coro::AIO::WATCHER;
3364	IO::AIO::max_poll_time $TICK * 0.1;	4014	IO::AIO::max_poll_time $TICK * 0.1;
3365	$AIO_POLL_WATCHER = Event->io (	4015	undef $AnyEvent::AIO::WATCHER;
3366	reentrant => 0,
3367	data => WF_AUTOCANCEL,
3368	fd => IO::AIO::poll_fileno,
3369	poll => 'r',
3370	prio => 6,
3371	cb => \&IO::AIO::poll_cb,
3372	);
3373	}	4016	}
3374		4017
3375	my $_log_backtrace;	4018	my $_log_backtrace;
3376		4019
3377	sub _log_backtrace {	4020	sub _log_backtrace {
…		…
3380	$msg =~ s/\n//;	4023	$msg =~ s/\n//;
3381		4024
3382	# limit the # of concurrent backtraces	4025	# limit the # of concurrent backtraces
3383	if ($_log_backtrace < 2) {	4026	if ($_log_backtrace < 2) {
3384	++$_log_backtrace;	4027	++$_log_backtrace;
		4028	my $perl_bt = Carp::longmess $msg;
3385	async {	4029	async {
		4030	$Coro::current->{desc} = "abt $msg";
		4031
3386	my @bt = fork_call {	4032	my @bt = fork_call {
3387	@addr = map { sprintf "%x", $_ } @addr;	4033	@addr = map { sprintf "%x", $_ } @addr;
3388	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4034	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3389	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4035	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3390	or die "addr2line: $!";	4036	or die "addr2line: $!";
…		…
3398	}	4044	}
3399		4045
3400	@funcs	4046	@funcs
3401	};	4047	};
3402		4048
3403	LOG llevInfo, "[ABT] $msg\n";	4049	LOG llevInfo, "[ABT] $perl_bt\n";
		4050	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3404	LOG llevInfo, "[ABT] $_\n" for @bt;	4051	LOG llevInfo, "[ABT] $_\n" for @bt;
3405	--$_log_backtrace;	4052	--$_log_backtrace;
3406	};	4053	};
3407	} else {	4054	} else {
3408	LOG llevInfo, "[ABT] $msg\n";	4055	LOG llevInfo, "[ABT] $msg\n";
3409	LOG llevInfo, "[ABT] [suppressed]\n";	4056	LOG llevInfo, "[ABT] [suppressed]\n";
3410	}	4057	}
3411	}	4058	}
3412		4059
3413	# load additional modules	4060	# load additional modules
3414	use cf::pod;	4061	require "cf/$_.pm" for @EXTRA_MODULES;
		4062	cf::_connect_to_perl_2;
3415		4063
3416	END { cf::emergency_save }	4064	END { cf::emergency_save }
3417		4065
3418	1	4066	1
3419		4067

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