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Revision 1.445 by root, Wed Sep 10 18:18:10 2008 UTC vs.
Revision 1.560 by root, Fri Apr 22 02:03:12 2011 UTC

1	#	1	#
2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.	2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	#	3	#
4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team	4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	#	5	#
6	# Deliantra is free software: you can redistribute it and/or modify	6	# Deliantra is free software: you can redistribute it and/or modify it under
7	# it under the terms of the GNU General Public License as published by	7	# the terms of the Affero GNU General Public License as published by the
8	# the Free Software Foundation, either version 3 of the License, or	8	# Free Software Foundation, either version 3 of the License, or (at your
9	# (at your option) any later version.	9	# option) any later version.
10	#	10	#
11	# This program is distributed in the hope that it will be useful,	11	# This program is distributed in the hope that it will be useful,
12	# but WITHOUT ANY WARRANTY; without even the implied warranty of	12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14	# GNU General Public License for more details.	14	# GNU General Public License for more details.
15	#	15	#
16	# You should have received a copy of the GNU General Public License	16	# You should have received a copy of the Affero GNU General Public License
17	# along with this program. If not, see <http://www.gnu.org/licenses/>.	17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
18	#	19	#
19	# The authors can be reached via e-mail to <support@deliantra.net>	20	# The authors can be reached via e-mail to <support@deliantra.net>
20	#	21	#
21		22
22	package cf;	23	package cf;
23		24
24	use 5.10.0;	25	use common::sense;
25	use utf8;
26	use strict "vars", "subs";
27		26
28	use Symbol;	27	use Symbol;
29	use List::Util;	28	use List::Util;
30	use Socket;	29	use Socket;
31	use EV;	30	use EV;
32	use Opcode;	31	use Opcode;
33	use Safe;	32	use Safe;
34	use Safe::Hole;	33	use Safe::Hole;
35	use Storable ();	34	use Storable ();
		35	use Carp ();
36		36
		37	use Guard ();
37	use Coro ();	38	use Coro ();
38	use Coro::State;	39	use Coro::State;
39	use Coro::Handle;	40	use Coro::Handle;
40	use Coro::EV;	41	use Coro::EV;
41	use Coro::AnyEvent;	42	use Coro::AnyEvent;
42	use Coro::Timer;	43	use Coro::Timer;
43	use Coro::Signal;	44	use Coro::Signal;
44	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
45	use Coro::AnyEvent;	47	use Coro::AnyEvent;
46	use Coro::AIO;	48	use Coro::AIO;
47	use Coro::BDB 1.6;	49	use Coro::BDB 1.6;
48	use Coro::Storable;	50	use Coro::Storable;
49	use Coro::Util ();	51	use Coro::Util ();
50		52
51	use JSON::XS 2.01 ();	53	use JSON::XS 2.01 ();
52	use BDB ();	54	use BDB ();
53	use Data::Dumper;	55	use Data::Dumper;
54	use Digest::MD5;
55	use Fcntl;	56	use Fcntl;
56	use YAML ();	57	use YAML::XS ();
57	use IO::AIO ();	58	use IO::AIO ();
58	use Time::HiRes;	59	use Time::HiRes;
59	use Compress::LZF;	60	use Compress::LZF;
60	use Digest::MD5 ();	61	use Digest::MD5 ();
61		62
…		…
63		64
64	# configure various modules to our taste	65	# configure various modules to our taste
65	#	66	#
66	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
68	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
69		75
70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
71		78
72	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
73		82
74	our %COMMAND = ();	83	our %COMMAND = ();
75	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
76		85
77	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
78	our %EXTCMD = ();	87	our %EXTCMD = ();
79	our %EXTICMD = ();	88	our %EXTICMD = ();
80	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
81	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
82		91
83	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
84	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
85		96
86	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
87	our $DATADIR = datadir;	99	our $DATADIR = datadir;
88	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
89	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
90	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
91	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
92	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
93	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
94	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
95	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
96	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
97	our $PIDFILE = "$LOCALDIR/pid";	110	our $PIDFILE = "$LOCALDIR/pid";
98	our $RUNTIMEFILE = "$LOCALDIR/runtime";	111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
99		112
100	our %RESOURCE;	113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
101		120
102	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
103	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
104	our $NEXT_TICK;	123	our $NEXT_TICK;
105	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
106		125
107	our $BDB_DEADLOCK_WATCHER;	126	our $BDB_DEADLOCK_WATCHER;
108	our $BDB_CHECKPOINT_WATCHER;	127	our $BDB_CHECKPOINT_WATCHER;
109	our $BDB_TRICKLE_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
110	our $DB_ENV;	129	our $DB_ENV;
111		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		132
112	our %CFG;	133	our %CFG;
113		134
114	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
115	our $RUNTIME;	136	our $RUNTIME;
116	our $NOW;	137	our $NOW;
…		…
124		145
125	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	146	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
126	our $LOADAVG; # same thing, but with alpha-smoothing	147	our $LOADAVG; # same thing, but with alpha-smoothing
127	our $JITTER; # average jitter	148	our $JITTER; # average jitter
128	our $TICK_START; # for load detecting purposes	149	our $TICK_START; # for load detecting purposes
		150
		151	our @POST_INIT;
		152
		153	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		154	our $REALLY_UNLOOP; # never set to true, please :)
129		155
130	binmode STDOUT;	156	binmode STDOUT;
131	binmode STDERR;	157	binmode STDERR;
132		158
133	# read virtual server time, if available	159	# read virtual server time, if available
…		…
135	open my $fh, "<", $RUNTIMEFILE	161	open my $fh, "<", $RUNTIMEFILE
136	or die "unable to read $RUNTIMEFILE file: $!";	162	or die "unable to read $RUNTIMEFILE file: $!";
137	$RUNTIME = <$fh> + 0.;	163	$RUNTIME = <$fh> + 0.;
138	}	164	}
139		165
		166	eval "sub TICK() { $TICK } 1" or die;
		167
140	mkdir $_	168	mkdir $_
141	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	169	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
142		170
143	our $EMERGENCY_POSITION;	171	our $EMERGENCY_POSITION;
144		172
145	sub cf::map::normalise;	173	sub cf::map::normalise;
		174
		175	sub in_main() {
		176	$Coro::current == $Coro::main
		177	}
		178
		179	#############################################################################
		180
		181	%REFLECT = ();
		182	for (@REFLECT) {
		183	my $reflect = JSON::XS::decode_json $_;
		184	$REFLECT{$reflect->{class}} = $reflect;
		185	}
		186
		187	# this is decidedly evil
		188	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
146		189
147	#############################################################################	190	#############################################################################
148		191
149	=head2 GLOBAL VARIABLES	192	=head2 GLOBAL VARIABLES
150		193
…		…
192	from wherever your confdir points to.	235	from wherever your confdir points to.
193		236
194	=item cf::wait_for_tick, cf::wait_for_tick_begin	237	=item cf::wait_for_tick, cf::wait_for_tick_begin
195		238
196	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	239	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
197	returns directly I<after> the tick processing (and consequently, can only wake one process	240	returns directly I<after> the tick processing (and consequently, can only wake one thread
198	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	241	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
199		242
		243	=cut
		244
		245	sub wait_for_tick();
		246	sub wait_for_tick_begin();
		247
200	=item @cf::INVOKE_RESULTS	248	=item @cf::INVOKE_RESULTS
201		249
202	This array contains the results of the last C<invoke ()> call. When	250	This array contains the results of the last C<invoke ()> call. When
203	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	251	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
204	that call.	252	that call.
205		253
		254	=item %cf::REFLECT
		255
		256	Contains, for each (C++) class name, a hash reference with information
		257	about object members (methods, scalars, arrays and flags) and other
		258	metadata, which is useful for introspection.
		259
206	=back	260	=back
207		261
208	=cut	262	=cut
209		263
210	BEGIN {	264	sub error(@) { LOG llevError, join "", @_ }
211	*CORE::GLOBAL::warn = sub {	265	sub warn (@) { LOG llevWarn , join "", @_ }
		266	sub info (@) { LOG llevInfo , join "", @_ }
		267	sub debug(@) { LOG llevDebug, join "", @_ }
		268	sub trace(@) { LOG llevTrace, join "", @_ }
		269
		270	$Coro::State::WARNHOOK = sub {
212	my $msg = join "", @_;	271	my $msg = join "", @_;
213		272
214	$msg .= "\n"	273	$msg .= "\n"
215	unless $msg =~ /\n$/;	274	unless $msg =~ /\n$/;
216		275
217	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	276	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
218		277
219	LOG llevError, $msg;	278	LOG llevWarn, $msg;
220	};	279	};
221	}
222		280
223	$Coro::State::DIEHOOK = sub {	281	$Coro::State::DIEHOOK = sub {
224	return unless $^S eq 0; # "eq", not "=="	282	return unless $^S eq 0; # "eq", not "=="
225		283
226	if ($Coro::current == $Coro::main) {#d#	284	error Carp::longmess $_[0];
		285
		286	if (in_main) {#d#
227	warn "DIEHOOK called in main context, Coro bug?\n";#d#	287	error "DIEHOOK called in main context, Coro bug?\n";#d#
228	return;#d#	288	return;#d#
229	}#d#	289	}#d#
230		290
231	# kill coroutine otherwise	291	# kill coroutine otherwise
232	warn Carp::longmess $_[0];
233	Coro::terminate	292	Coro::terminate
234	};	293	};
235
236	$SIG{__DIE__} = sub { }; #d#?
237		294
238	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	295	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
239	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	296	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
240	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	297	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
241	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	298	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
255	)) {	312	)) {
256	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	313	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
257	}	314	}
258		315
259	$EV::DIED = sub {	316	$EV::DIED = sub {
260	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
261	};	318	};
		319
		320	#############################################################################
		321
		322	sub fork_call(&@);
		323	sub get_slot($;$$);
262		324
263	#############################################################################	325	#############################################################################
264		326
265	=head2 UTILITY FUNCTIONS	327	=head2 UTILITY FUNCTIONS
266		328
…		…
287	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	349	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
288	$d	350	$d
289	} || "[unable to dump $_[0]: '$@']";	351	} || "[unable to dump $_[0]: '$@']";
290	}	352	}
291		353
		354	=item $scalar = load_file $path
		355
		356	Loads the given file from path and returns its contents. Croaks on error
		357	and can block.
		358
		359	=cut
		360
		361	sub load_file($) {
		362	0 <= aio_load $_[0], my $data
		363	or Carp::croak "$_[0]: $!";
		364
		365	$data
		366	}
		367
292	=item $ref = cf::decode_json $json	368	=item $ref = cf::decode_json $json
293		369
294	Converts a JSON string into the corresponding perl data structure.	370	Converts a JSON string into the corresponding perl data structure.
295		371
296	=item $json = cf::encode_json $ref	372	=item $json = cf::encode_json $ref
…		…
302	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	378	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
303		379
304	sub encode_json($) { $json_coder->encode ($_[0]) }	380	sub encode_json($) { $json_coder->encode ($_[0]) }
305	sub decode_json($) { $json_coder->decode ($_[0]) }	381	sub decode_json($) { $json_coder->decode ($_[0]) }
306		382
		383	=item $ref = cf::decode_storable $scalar
		384
		385	Same as Coro::Storable::thaw, so blocks.
		386
		387	=cut
		388
		389	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		390
		391	=item $ref = cf::decode_yaml $scalar
		392
		393	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		394
		395	=cut
		396
		397	sub decode_yaml($) {
		398	fork_call { YAML::XS::Load $_[0] } @_
		399	}
		400
		401	=item $scalar = cf::unlzf $scalar
		402
		403	Same as Compress::LZF::compress, but takes server ticks into account, so
		404	blocks.
		405
		406	=cut
		407
		408	sub unlzf($) {
		409	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		410	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		411	Compress::LZF::decompress $_[0]
		412	}
		413
		414	=item cf::post_init { BLOCK }
		415
		416	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		417	but I<before> the server starts ticking again.
		418
		419	The codeblock will have a single boolean argument to indicate whether this
		420	is a reload or not.
		421
		422	=cut
		423
		424	sub post_init(&) {
		425	push @POST_INIT, shift;
		426	}
		427
		428	sub _post_init {
		429	trace "running post_init jobs";
		430
		431	# run them in parallel...
		432
		433	my @join;
		434
		435	while () {
		436	push @join, map &Coro::async ($_, 0), @POST_INIT;
		437	@POST_INIT = ();
		438
		439	@join or last;
		440
		441	(pop @join)->join;
		442	}
		443	}
		444
307	=item cf::lock_wait $string	445	=item cf::lock_wait $string
308		446
309	Wait until the given lock is available. See cf::lock_acquire.	447	Wait until the given lock is available. See cf::lock_acquire.
310		448
311	=item my $lock = cf::lock_acquire $string	449	=item my $lock = cf::lock_acquire $string
312		450
313	Wait until the given lock is available and then acquires it and returns	451	Wait until the given lock is available and then acquires it and returns
314	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	452	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
315	for example when the coroutine gets canceled), the lock is automatically	453	for example when the coroutine gets canceled), the lock is automatically
316	returned.	454	returned.
317		455
318	Locks are *not* recursive, locking from the same coro twice results in a	456	Locks are *not* recursive, locking from the same coro twice results in a
319	deadlocked coro.	457	deadlocked coro.
…		…
325		463
326	Return true if the lock is currently active, i.e. somebody has locked it.	464	Return true if the lock is currently active, i.e. somebody has locked it.
327		465
328	=cut	466	=cut
329		467
330	our %LOCK;	468	our $LOCKS = new Coro::SemaphoreSet;
331	our %LOCKER;#d#
332		469
333	sub lock_wait($) {	470	sub lock_wait($) {
334	my ($key) = @_;	471	$LOCKS->wait ($_[0]);
335
336	if ($LOCKER{$key} == $Coro::current) {#d#
337	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
338	return;#d#
339	}#d#
340
341	# wait for lock, if any
342	while ($LOCK{$key}) {
343	push @{ $LOCK{$key} }, $Coro::current;
344	Coro::schedule;
345	}
346	}	472	}
347		473
348	sub lock_acquire($) {	474	sub lock_acquire($) {
349	my ($key) = @_;	475	$LOCKS->guard ($_[0])
350
351	# wait, to be sure we are not locked
352	lock_wait $key;
353
354	$LOCK{$key} = [];
355	$LOCKER{$key} = $Coro::current;#d#
356
357	Coro::guard {
358	delete $LOCKER{$key};#d#
359	# wake up all waiters, to be on the safe side
360	$_->ready for @{ delete $LOCK{$key} };
361	}
362	}	476	}
363		477
364	sub lock_active($) {	478	sub lock_active($) {
365	my ($key) = @_;	479	$LOCKS->count ($_[0]) < 1
366
367	! ! $LOCK{$key}
368	}	480	}
369		481
370	sub freeze_mainloop {	482	sub freeze_mainloop {
371	tick_inhibit_inc;	483	tick_inhibit_inc;
372		484
373	Coro::guard \&tick_inhibit_dec;	485	&Guard::guard (\&tick_inhibit_dec);
374	}	486	}
375		487
376	=item cf::periodic $interval, $cb	488	=item cf::periodic $interval, $cb
377		489
378	Like EV::periodic, but randomly selects a starting point so that the actions	490	Like EV::periodic, but randomly selects a starting point so that the actions
379	get spread over timer.	491	get spread over time.
380		492
381	=cut	493	=cut
382		494
383	sub periodic($$) {	495	sub periodic($$) {
384	my ($interval, $cb) = @_;	496	my ($interval, $cb) = @_;
…		…
388	EV::periodic $start, $interval, 0, $cb	500	EV::periodic $start, $interval, 0, $cb
389	}	501	}
390		502
391	=item cf::get_slot $time[, $priority[, $name]]	503	=item cf::get_slot $time[, $priority[, $name]]
392		504
393	Allocate $time seconds of blocking CPU time at priority C<$priority>:	505	Allocate $time seconds of blocking CPU time at priority C<$priority>
394	This call blocks and returns only when you have at least C<$time> seconds	506	(default: 0): This call blocks and returns only when you have at least
395	of cpu time till the next tick. The slot is only valid till the next cede.	507	C<$time> seconds of cpu time till the next tick. The slot is only valid
		508	till the next cede.
		509
		510	Background jobs should use a priority les than zero, interactive jobs
		511	should use 100 or more.
396		512
397	The optional C<$name> can be used to identify the job to run. It might be	513	The optional C<$name> can be used to identify the job to run. It might be
398	used for statistical purposes and should identify the same time-class.	514	used for statistical purposes and should identify the same time-class.
399		515
400	Useful for short background jobs.	516	Useful for short background jobs.
401		517
402	=cut	518	=cut
403		519
404	our @SLOT_QUEUE;	520	our @SLOT_QUEUE;
405	our $SLOT_QUEUE;	521	our $SLOT_QUEUE;
		522	our $SLOT_DECAY = 0.9;
406		523
407	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	524	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
408	$SLOT_QUEUE = Coro::async {	525	$SLOT_QUEUE = Coro::async {
409	$Coro::current->desc ("timeslot manager");	526	$Coro::current->desc ("timeslot manager");
410		527
411	my $signal = new Coro::Signal;	528	my $signal = new Coro::Signal;
		529	my $busy;
412		530
413	while () {	531	while () {
414	next_job:	532	next_job:
		533
415	my $avail = cf::till_tick;	534	my $avail = cf::till_tick;
416	if ($avail > 0.01) {	535
417	for (0 .. $#SLOT_QUEUE) {	536	for (0 .. $#SLOT_QUEUE) {
418	if ($SLOT_QUEUE[$_][0] < $avail) {	537	if ($SLOT_QUEUE[$_][0] <= $avail) {
		538	$busy = 0;
419	my $job = splice @SLOT_QUEUE, $_, 1, ();	539	my $job = splice @SLOT_QUEUE, $_, 1, ();
420	$job->[2]->send;	540	$job->[2]->send;
421	Coro::cede;	541	Coro::cede;
422	goto next_job;	542	goto next_job;
423	}	543	} else {
		544	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
424	}	545	}
425	}	546	}
426		547
427	if (@SLOT_QUEUE) {	548	if (@SLOT_QUEUE) {
428	# we do not use wait_for_tick() as it returns immediately when tick is inactive	549	# we do not use wait_for_tick() as it returns immediately when tick is inactive
429	push @cf::WAIT_FOR_TICK, $signal;	550	push @cf::WAIT_FOR_TICK, $signal;
430	$signal->wait;	551	$signal->wait;
431	} else {	552	} else {
		553	$busy = 0;
432	Coro::schedule;	554	Coro::schedule;
433	}	555	}
434	}	556	}
435	};	557	};
436		558
437	sub get_slot($;$$) {	559	sub get_slot($;$$) {
438	return if tick_inhibit || $Coro::current == $Coro::main;	560	return if tick_inhibit || $Coro::current == $Coro::main;
439		561
440	my ($time, $pri, $name) = @_;	562	my ($time, $pri, $name) = @_;
441		563
442	$time = $TICK * .6 if $time > $TICK * .6;	564	$time = clamp $time, 0.01, $TICK * .6;
		565
443	my $sig = new Coro::Signal;	566	my $sig = new Coro::Signal;
444		567
445	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	568	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
446	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	569	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
447	$SLOT_QUEUE->ready;	570	$SLOT_QUEUE->ready;
…		…
473	=cut	596	=cut
474		597
475	sub sync_job(&) {	598	sub sync_job(&) {
476	my ($job) = @_;	599	my ($job) = @_;
477		600
478	if ($Coro::current == $Coro::main) {	601	if (in_main) {
479	my $time = EV::time;	602	my $time = AE::time;
480		603
481	# this is the main coro, too bad, we have to block	604	# this is the main coro, too bad, we have to block
482	# till the operation succeeds, freezing the server :/	605	# till the operation succeeds, freezing the server :/
483		606
484	LOG llevError, Carp::longmess "sync job";#d#	607	#LOG llevError, Carp::longmess "sync job";#d#
485		608
486	my $freeze_guard = freeze_mainloop;	609	my $freeze_guard = freeze_mainloop;
487		610
488	my $busy = 1;	611	my $busy = 1;
489	my @res;	612	my @res;
490		613
491	(async {	614	(async {
492	$Coro::current->desc ("sync job coro");	615	$Coro::current->desc ("sync job coro");
493	@res = eval { $job->() };	616	@res = eval { $job->() };
494	warn $@ if $@;	617	error $@ if $@;
495	undef $busy;	618	undef $busy;
496	})->prio (Coro::PRIO_MAX);	619	})->prio (Coro::PRIO_MAX);
497		620
498	while ($busy) {	621	while ($busy) {
499	if (Coro::nready) {	622	if (Coro::nready) {
…		…
501	} else {	624	} else {
502	EV::loop EV::LOOP_ONESHOT;	625	EV::loop EV::LOOP_ONESHOT;
503	}	626	}
504	}	627	}
505		628
506	my $time = EV::time - $time;	629	my $time = AE::time - $time;
507		630
508	$TICK_START += $time; # do not account sync jobs to server load	631	$TICK_START += $time; # do not account sync jobs to server load
509		632
510	wantarray ? @res : $res[0]	633	wantarray ? @res : $res[0]
511	} else {	634	} else {
…		…
533	$EXT_CORO{$coro+0} = $coro;	656	$EXT_CORO{$coro+0} = $coro;
534		657
535	$coro	658	$coro
536	}	659	}
537		660
538	=item fork_call { }, $args	661	=item fork_call { }, @args
539		662
540	Executes the given code block with the given arguments in a seperate	663	Executes the given code block with the given arguments in a seperate
541	process, returning the results. Everything must be serialisable with	664	process, returning the results. Everything must be serialisable with
542	Coro::Storable. May, of course, block. Note that the executed sub may	665	Coro::Storable. May, of course, block. Note that the executed sub may
543	never block itself or use any form of event handling.	666	never block itself or use any form of event handling.
544		667
545	=cut	668	=cut
546		669
		670	sub post_fork {
		671	reset_signals;
		672	}
		673
547	sub fork_call(&@) {	674	sub fork_call(&@) {
548	my ($cb, @args) = @_;	675	my ($cb, @args) = @_;
549		676
550	# we seemingly have to make a local copy of the whole thing,	677	# we seemingly have to make a local copy of the whole thing,
551	# otherwise perl prematurely frees the stuff :/	678	# otherwise perl prematurely frees the stuff :/
552	# TODO: investigate and fix (likely this will be rather laborious)	679	# TODO: investigate and fix (likely this will be rather laborious)
553		680
554	my @res = Coro::Util::fork_eval {	681	my @res = Coro::Util::fork_eval {
555	reset_signals;	682	cf::post_fork;
556	&$cb	683	&$cb
557	}, @args;	684	} @args;
558		685
559	wantarray ? @res : $res[-1]	686	wantarray ? @res : $res[-1]
		687	}
		688
		689	sub objinfo {
		690	(
		691	"counter value" => cf::object::object_count,
		692	"objects created" => cf::object::create_count,
		693	"objects destroyed" => cf::object::destroy_count,
		694	"freelist size" => cf::object::free_count,
		695	"allocated objects" => cf::object::objects_size,
		696	"active objects" => cf::object::actives_size,
		697	)
560	}	698	}
561		699
562	=item $coin = coin_from_name $name	700	=item $coin = coin_from_name $name
563		701
564	=cut	702	=cut
…		…
601	within each server.	739	within each server.
602		740
603	=cut	741	=cut
604		742
605	sub db_table($) {	743	sub db_table($) {
		744	cf::error "db_get called from main context"
		745	if $Coro::current == $Coro::main;
		746
606	my ($name) = @_;	747	my ($name) = @_;
607	my $db = BDB::db_create $DB_ENV;	748	my $db = BDB::db_create $DB_ENV;
608		749
609	eval {	750	eval {
610	$db->set_flags (BDB::CHKSUM);	751	$db->set_flags (BDB::CHKSUM);
…		…
620	}	761	}
621		762
622	our $DB;	763	our $DB;
623		764
624	sub db_init {	765	sub db_init {
625	cf::sync_job {
626	$DB ||= db_table "db";	766	$DB ||= db_table "db";
627	};
628	}	767	}
629		768
630	sub db_get($$) {	769	sub db_get($$) {
631	my $key = "$_[0]/$_[1]";	770	my $key = "$_[0]/$_[1]";
632		771
633	cf::sync_job {	772	cf::error "db_get called from main context"
		773	if $Coro::current == $Coro::main;
		774
634	BDB::db_get $DB, undef, $key, my $data;	775	BDB::db_get $DB, undef, $key, my $data;
635		776
636	$! ? ()	777	$! ? ()
637	: $data	778	: $data
638	}
639	}	779	}
640		780
641	sub db_put($$$) {	781	sub db_put($$$) {
642	BDB::dbreq_pri 4;	782	BDB::dbreq_pri 4;
643	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	783	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
671		811
672	my @data;	812	my @data;
673	my $md5;	813	my $md5;
674		814
675	for (0 .. $#$src) {	815	for (0 .. $#$src) {
676	0 <= aio_load $src->[$_], $data[$_]	816	$data[$_] = load_file $src->[$_];
677	or Carp::croak "$src->[$_]: $!";
678	}	817	}
679		818
680	# if processing is expensive, check	819	# if processing is expensive, check
681	# checksum first	820	# checksum first
682	if (1) {	821	if (1) {
…		…
699		838
700	my $t1 = Time::HiRes::time;	839	my $t1 = Time::HiRes::time;
701	my $data = $process->(\@data);	840	my $data = $process->(\@data);
702	my $t2 = Time::HiRes::time;	841	my $t2 = Time::HiRes::time;
703		842
704	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	843	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
705		844
706	db_put cache => "$id/data", $data;	845	db_put cache => "$id/data", $data;
707	db_put cache => "$id/md5" , $md5;	846	db_put cache => "$id/md5" , $md5;
708	db_put cache => "$id/meta", $meta;	847	db_put cache => "$id/meta", $meta;
709		848
…		…
719		858
720	=cut	859	=cut
721		860
722	sub datalog($@) {	861	sub datalog($@) {
723	my ($type, %kv) = @_;	862	my ($type, %kv) = @_;
724	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	863	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
725	}	864	}
726		865
727	=back	866	=back
728		867
729	=cut	868	=cut
730		869
731	#############################################################################	870	#############################################################################
732		871
733	=head2 ATTACHABLE OBJECTS	872	=head2 ATTACHABLE OBJECTS
734		873
735	Many objects in crossfire are so-called attachable objects. That means you can	874	Many objects in deliantra are so-called attachable objects. That means you can
736	attach callbacks/event handlers (a collection of which is called an "attachment")	875	attach callbacks/event handlers (a collection of which is called an "attachment")
737	to it. All such attachable objects support the following methods.	876	to it. All such attachable objects support the following methods.
738		877
739	In the following description, CLASS can be any of C<global>, C<object>	878	In the following description, CLASS can be any of C<global>, C<object>
740	C<player>, C<client> or C<map> (i.e. the attachable objects in	879	C<player>, C<client> or C<map> (i.e. the attachable objects in
…		…
790	=item cf::CLASS::attachment $name, ...	929	=item cf::CLASS::attachment $name, ...
791		930
792	Register an attachment by C<$name> through which attachable objects of the	931	Register an attachment by C<$name> through which attachable objects of the
793	given CLASS can refer to this attachment.	932	given CLASS can refer to this attachment.
794		933
795	Some classes such as crossfire maps and objects can specify attachments	934	Some classes such as deliantra maps and objects can specify attachments
796	that are attached at load/instantiate time, thus the need for a name.	935	that are attached at load/instantiate time, thus the need for a name.
797		936
798	These calls expect any number of the following handler/hook descriptions:	937	These calls expect any number of the following handler/hook descriptions:
799		938
800	=over 4	939	=over 4
…		…
924		1063
925	} elsif (exists $cb_id{$type}) {	1064	} elsif (exists $cb_id{$type}) {
926	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1065	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
927		1066
928	} elsif (ref $type) {	1067	} elsif (ref $type) {
929	warn "attaching objects not supported, ignoring.\n";	1068	error "attaching objects not supported, ignoring.\n";
930		1069
931	} else {	1070	} else {
932	shift @arg;	1071	shift @arg;
933	warn "attach argument '$type' not supported, ignoring.\n";	1072	error "attach argument '$type' not supported, ignoring.\n";
934	}	1073	}
935	}	1074	}
936	}	1075	}
937		1076
938	sub _object_attach {	1077	sub _object_attach {
…		…
948	_attach $registry, $klass, @attach;	1087	_attach $registry, $klass, @attach;
949	}	1088	}
950		1089
951	$obj->{$name} = \%arg;	1090	$obj->{$name} = \%arg;
952	} else {	1091	} else {
953	warn "object uses attachment '$name' which is not available, postponing.\n";	1092	info "object uses attachment '$name' which is not available, postponing.\n";
954	}	1093	}
955		1094
956	$obj->{_attachment}{$name} = undef;	1095	$obj->{_attachment}{$name} = undef;
957	}	1096	}
958		1097
…		…
1017		1156
1018	for (@$callbacks) {	1157	for (@$callbacks) {
1019	eval { &{$_->[1]} };	1158	eval { &{$_->[1]} };
1020		1159
1021	if ($@) {	1160	if ($@) {
1022	warn "$@";
1023	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1161	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
1024	override;	1162	override;
1025	}	1163	}
1026		1164
1027	return 1 if $override;	1165	return 1 if $override;
1028	}	1166	}
…		…
1107	for (@$attach) {	1245	for (@$attach) {
1108	my ($klass, @attach) = @$_;	1246	my ($klass, @attach) = @$_;
1109	_attach $registry, $klass, @attach;	1247	_attach $registry, $klass, @attach;
1110	}	1248	}
1111	} else {	1249	} else {
1112	warn "object uses attachment '$name' that is not available, postponing.\n";	1250	info "object uses attachment '$name' that is not available, postponing.\n";
1113	}	1251	}
1114	}	1252	}
1115	}	1253	}
1116		1254
1117	cf::attachable->attach (	1255	cf::attachable->attach (
…		…
1144	my ($filename, $rdata, $objs) = @_;	1282	my ($filename, $rdata, $objs) = @_;
1145		1283
1146	sync_job {	1284	sync_job {
1147	if (length $$rdata) {	1285	if (length $$rdata) {
1148	utf8::decode (my $decname = $filename);	1286	utf8::decode (my $decname = $filename);
1149	warn sprintf "saving %s (%d,%d)\n",	1287	trace sprintf "saving %s (%d,%d)\n",
1150	$decname, length $$rdata, scalar @$objs;	1288	$decname, length $$rdata, scalar @$objs
		1289	if $VERBOSE_IO;
1151		1290
1152	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1291	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1153	aio_chmod $fh, SAVE_MODE;	1292	aio_chmod $fh, SAVE_MODE;
1154	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1293	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1155	aio_fsync $fh if $cf::USE_FSYNC;	1294	if ($cf::USE_FSYNC) {
		1295	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;
		1296	aio_fsync $fh;
		1297	}
1156	aio_close $fh;	1298	aio_close $fh;
1157		1299
1158	if (@$objs) {	1300	if (@$objs) {
1159	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1301	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1160	aio_chmod $fh, SAVE_MODE;	1302	aio_chmod $fh, SAVE_MODE;
1161	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1303	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1162	aio_write $fh, 0, (length $data), $data, 0;	1304	aio_write $fh, 0, (length $data), $data, 0;
1163	aio_fsync $fh if $cf::USE_FSYNC;	1305	if ($cf::USE_FSYNC) {
		1306	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;
		1307	aio_fsync $fh;
		1308	}
1164	aio_close $fh;	1309	aio_close $fh;
1165	aio_rename "$filename.pst~", "$filename.pst";	1310	aio_rename "$filename.pst~", "$filename.pst";
1166	}	1311	}
1167	} else {	1312	} else {
1168	aio_unlink "$filename.pst";	1313	aio_unlink "$filename.pst";
1169	}	1314	}
1170		1315
1171	aio_rename "$filename~", $filename;	1316	aio_rename "$filename~", $filename;
		1317
		1318	$filename =~ s%/[^/]+$%%;
		1319	aio_pathsync $filename if $cf::USE_FSYNC;
1172	} else {	1320	} else {
1173	warn "FATAL: $filename~: $!\n";	1321	error "unable to save objects: $filename~: $!\n";
1174	}	1322	}
1175	} else {	1323	} else {
1176	aio_unlink $filename;	1324	aio_unlink $filename;
1177	aio_unlink "$filename.pst";	1325	aio_unlink "$filename.pst";
1178	}	1326	}
…		…
1202	my $st = eval { Coro::Storable::thaw $av };	1350	my $st = eval { Coro::Storable::thaw $av };
1203	$av = $st->{objs};	1351	$av = $st->{objs};
1204	}	1352	}
1205		1353
1206	utf8::decode (my $decname = $filename);	1354	utf8::decode (my $decname = $filename);
1207	warn sprintf "loading %s (%d,%d)\n",	1355	trace sprintf "loading %s (%d,%d)\n",
1208	$decname, length $data, scalar @{$av || []};	1356	$decname, length $data, scalar @{$av || []}
		1357	if $VERBOSE_IO;
1209		1358
1210	($data, $av)	1359	($data, $av)
1211	}	1360	}
1212		1361
1213	=head2 COMMAND CALLBACKS	1362	=head2 COMMAND CALLBACKS
…		…
1269	my ($name, $cb) = @_;	1418	my ($name, $cb) = @_;
1270		1419
1271	$EXTICMD{$name} = $cb;	1420	$EXTICMD{$name} = $cb;
1272	}	1421	}
1273		1422
		1423	use File::Glob ();
		1424
1274	cf::player->attach (	1425	cf::player->attach (
1275	on_command => sub {	1426	on_unknown_command => sub {
1276	my ($pl, $name, $params) = @_;	1427	my ($pl, $name, $params) = @_;
1277		1428
1278	my $cb = $COMMAND{$name}	1429	my $cb = $COMMAND{$name}
1279	or return;	1430	or return;
1280		1431
…		…
1303		1454
1304	$pl->ext_reply ($reply, @reply)	1455	$pl->ext_reply ($reply, @reply)
1305	if $reply;	1456	if $reply;
1306		1457
1307	} else {	1458	} else {
1308	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1459	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1309	}	1460	}
1310		1461
1311	cf::override;	1462	cf::override;
1312	},	1463	},
1313	);	1464	);
1314		1465
		1466	# "readahead" all extensions
		1467	sub cache_extensions {
		1468	my $grp = IO::AIO::aio_group;
		1469
		1470	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1471	for (grep /\.ext$/, @{$_[0]}) {
		1472	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1473	}
		1474	};
		1475
		1476	$grp
		1477	}
		1478
1315	sub load_extensions {	1479	sub load_extensions {
		1480	info "loading extensions...";
		1481
1316	cf::sync_job {	1482	cf::sync_job {
1317	my %todo;	1483	my %todo;
1318		1484
1319	for my $path (<$LIBDIR/*.ext>) {	1485	for my $path (<$LIBDIR/*.ext>) {
1320	next unless -r $path;	1486	next unless -r $path;
…		…
1338		1504
1339	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1505	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1340	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1506	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1341		1507
1342	$ext{source} =	1508	$ext{source} =
1343	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"	1509	"package $pkg; use common::sense;\n"
1344	. "#line 1 \"$path\"\n{\n"	1510	. "#line 1 \"$path\"\n{\n"
1345	. $source	1511	. $source
1346	. "\n};\n1";	1512	. "\n};\n1";
1347		1513
1348	$todo{$base} = \%ext;	1514	$todo{$base} = \%ext;
1349	}	1515	}
1350		1516
		1517	my $pass = 0;
1351	my %done;	1518	my %done;
1352	while (%todo) {	1519	while (%todo) {
1353	my $progress;	1520	my $progress;
1354		1521
		1522	++$pass;
		1523
		1524	ext:
1355	while (my ($k, $v) = each %todo) {	1525	while (my ($k, $v) = each %todo) {
1356	for (split /,\s*/, $v->{meta}{depends}) {	1526	for (split /,\s*/, $v->{meta}{depends}) {
1357	goto skip	1527	next ext
1358	unless exists $done{$_};	1528	unless exists $done{$_};
1359	}	1529	}
1360		1530
1361	warn "... loading '$k' into '$v->{pkg}'\n";	1531	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1362		1532
1363	unless (eval $v->{source}) {	1533	my $active = eval $v->{source};
		1534
		1535	if (length $@) {
1364	my $msg = $@ ? "$v->{path}: $@\n"	1536	error "$v->{path}: $@\n";
1365	: "$v->{base}: extension inactive.\n";
1366		1537
1367	if (exists $v->{meta}{mandatory}) {
1368	warn $msg;
1369	cf::cleanup "mandatory extension failed to load, exiting.";	1538	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1370	}	1539	if exists $v->{meta}{mandatory};
1371		1540
1372	warn $msg;	1541	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1542	delete $todo{$k};
		1543	} else {
		1544	$done{$k} = delete $todo{$k};
		1545	push @EXTS, $v->{pkg};
		1546	$progress = 1;
		1547
		1548	info "$v->{base}: extension inactive.\n"
		1549	unless $active;
1373	}	1550	}
1374
1375	$done{$k} = delete $todo{$k};
1376	push @EXTS, $v->{pkg};
1377	$progress = 1;
1378	}	1551	}
1379		1552
1380	skip:	1553	unless ($progress) {
1381	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1554	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1382	unless $progress;	1555
		1556	while (my ($k, $v) = each %todo) {
		1557	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1558	if exists $v->{meta}{mandatory};
		1559	}
		1560	}
1383	}	1561	}
1384	};	1562	};
1385	}	1563	}
1386		1564
1387	#############################################################################	1565	#############################################################################
1388		1566
1389	=back	1567	=back
1390		1568
1391	=head2 CORE EXTENSIONS	1569	=head2 CORE EXTENSIONS
1392		1570
1393	Functions and methods that extend core crossfire objects.	1571	Functions and methods that extend core deliantra objects.
1394		1572
1395	=cut	1573	=cut
1396		1574
1397	package cf::player;	1575	package cf::player;
1398		1576
…		…
1441		1619
1442	sub exists($) {	1620	sub exists($) {
1443	my ($login) = @_;	1621	my ($login) = @_;
1444		1622
1445	$cf::PLAYER{$login}	1623	$cf::PLAYER{$login}
1446	or cf::sync_job { !aio_stat path $login }	1624	or !aio_stat path $login
1447	}	1625	}
1448		1626
1449	sub find($) {	1627	sub find($) {
1450	return $cf::PLAYER{$_[0]} || do {	1628	return $cf::PLAYER{$_[0]} || do {
1451	my $login = $_[0];	1629	my $login = $_[0];
…		…
1471	$cf::PLAYER{$login} = $pl	1649	$cf::PLAYER{$login} = $pl
1472	}	1650	}
1473	}	1651	}
1474	}	1652	}
1475		1653
		1654	cf::player->attach (
		1655	on_load => sub {
		1656	my ($pl, $path) = @_;
		1657
		1658	# restore slots saved in save, below
		1659	my $slots = delete $pl->{_slots};
		1660
		1661	$pl->ob->current_weapon ($slots->[0]);
		1662	$pl->combat_ob ($slots->[1]);
		1663	$pl->ranged_ob ($slots->[2]);
		1664	},
		1665	);
		1666
1476	sub save($) {	1667	sub save($) {
1477	my ($pl) = @_;	1668	my ($pl) = @_;
1478		1669
1479	return if $pl->{deny_save};	1670	return if $pl->{deny_save};
1480		1671
…		…
1485		1676
1486	aio_mkdir playerdir $pl, 0770;	1677	aio_mkdir playerdir $pl, 0770;
1487	$pl->{last_save} = $cf::RUNTIME;	1678	$pl->{last_save} = $cf::RUNTIME;
1488		1679
1489	cf::get_slot 0.01;	1680	cf::get_slot 0.01;
		1681
		1682	# save slots, to be restored later
		1683	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1490		1684
1491	$pl->save_pl ($path);	1685	$pl->save_pl ($path);
1492	cf::cede_to_tick;	1686	cf::cede_to_tick;
1493	}	1687	}
1494		1688
…		…
1528	my $name = $pl->ob->name;	1722	my $name = $pl->ob->name;
1529		1723
1530	$pl->{deny_save} = 1;	1724	$pl->{deny_save} = 1;
1531	$pl->password ("*"); # this should lock out the player until we have nuked the dir	1725	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1532		1726
1533	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1727	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1534	$pl->deactivate;	1728	$pl->deactivate;
		1729
1535	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;	1730	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1536	$pl->ob->check_score;
1537	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1731	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1732	ext::highscore::check ($pl->ob);
		1733
1538	$pl->ns->destroy if $pl->ns;	1734	$pl->ns->destroy if $pl->ns;
1539		1735
1540	my $path = playerdir $pl;	1736	my $path = playerdir $pl;
1541	my $temp = "$path~$cf::RUNTIME~deleting~";	1737	my $temp = "$path~$cf::RUNTIME~deleting~";
1542	aio_rename $path, $temp;	1738	aio_rename $path, $temp;
…		…
1596	\@logins	1792	\@logins
1597	}	1793	}
1598		1794
1599	=item $player->maps	1795	=item $player->maps
1600		1796
		1797	=item cf::player::maps $login
		1798
1601	Returns an arrayref of map paths that are private for this	1799	Returns an arrayref of map paths that are private for this
1602	player. May block.	1800	player. May block.
1603		1801
1604	=cut	1802	=cut
1605		1803
…		…
1622	}	1820	}
1623		1821
1624	\@paths	1822	\@paths
1625	}	1823	}
1626		1824
1627	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1825	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1628		1826
1629	Expand crossfire pod fragments into protocol xml.	1827	Expand deliantra pod fragments into protocol xml.
1630		1828
1631	=item $player->ext_reply ($msgid, @msg)	1829	=item $player->ext_reply ($msgid, @msg)
1632		1830
1633	Sends an ext reply to the player.	1831	Sends an ext reply to the player.
1634		1832
…		…
1666		1864
1667	=cut	1865	=cut
1668		1866
1669	sub find_by_path($) {	1867	sub find_by_path($) {
1670	my ($path) = @_;	1868	my ($path) = @_;
		1869
		1870	$path =~ s/^~[^\/]*//; # skip ~login
1671		1871
1672	my ($match, $specificity);	1872	my ($match, $specificity);
1673		1873
1674	for my $region (list) {	1874	for my $region (list) {
1675	if ($region->{match} && $path =~ $region->{match}) {	1875	if ($region->{match} && $path =~ $region->{match}) {
…		…
1704	sub generate_random_map {	1904	sub generate_random_map {
1705	my ($self, $rmp) = @_;	1905	my ($self, $rmp) = @_;
1706		1906
1707	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM	1907	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1708		1908
1709	# mit "rum" bekleckern, nicht
1710	$self->_create_random_map (	1909	$self->_create_random_map ($rmp);
1711	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1712	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1713	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1714	$rmp->{exit_on_final_map},
1715	$rmp->{xsize}, $rmp->{ysize},
1716	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1717	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1718	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1719	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1720	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1721	(cf::region::find $rmp->{region}), $rmp->{custom}
1722	)
1723	}	1910	}
1724		1911
1725	=item cf::map->register ($regex, $prio)	1912	=item cf::map->register ($regex, $prio)
1726		1913
1727	Register a handler for the map path matching the given regex at the	1914	Register a handler for the map path matching the given regex at the
…		…
1732		1919
1733	sub register {	1920	sub register {
1734	my (undef, $regex, $prio) = @_;	1921	my (undef, $regex, $prio) = @_;
1735	my $pkg = caller;	1922	my $pkg = caller;
1736		1923
1737	no strict;
1738	push @{"$pkg\::ISA"}, __PACKAGE__;	1924	push @{"$pkg\::ISA"}, __PACKAGE__;
1739		1925
1740	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1926	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1741	}	1927	}
1742		1928
1743	# also paths starting with '/'	1929	# also paths starting with '/'
1744	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1930	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1745		1931
1746	sub thawer_merge {	1932	sub thawer_merge {
1747	my ($self, $merge) = @_;	1933	my ($self, $merge) = @_;
1748		1934
1749	# we have to keep some variables in memory intact	1935	# we have to keep some variables in memory intact
…		…
1754	}	1940	}
1755		1941
1756	sub normalise {	1942	sub normalise {
1757	my ($path, $base) = @_;	1943	my ($path, $base) = @_;
1758		1944
1759	$path = "$path"; # make sure its a string	1945	$path = "$path"; # make sure it's a string
1760		1946
1761	$path =~ s/\.map$//;	1947	$path =~ s/\.map$//;
1762		1948
1763	# map plan:	1949	# map plan:
1764	#	1950	#
…		…
1779	$base =~ s{[^/]+/?$}{};	1965	$base =~ s{[^/]+/?$}{};
1780	$path = "$base/$path";	1966	$path = "$base/$path";
1781	}	1967	}
1782		1968
1783	for ($path) {	1969	for ($path) {
1784	redo if s{//}{/};
1785	redo if s{/\.?/}{/};	1970	redo if s{/\.?/}{/};
1786	redo if s{/[^/]+/\.\./}{/};	1971	redo if s{/[^/]+/\.\./}{/};
1787	}	1972	}
1788		1973
1789	$path	1974	$path
…		…
1803	$self->init; # pass $1 etc.	1988	$self->init; # pass $1 etc.
1804	return $self;	1989	return $self;
1805	}	1990	}
1806	}	1991	}
1807		1992
1808	Carp::cluck "unable to resolve path '$path' (base '$base').";	1993	Carp::cluck "unable to resolve path '$path' (base '$base')";
1809	()	1994	()
1810	}	1995	}
1811		1996
1812	sub init {	1997	sub init {
1813	my ($self) = @_;	1998	my ($self) = @_;
…		…
1845	sub uniq_path {	2030	sub uniq_path {
1846	my ($self) = @_;	2031	my ($self) = @_;
1847		2032
1848	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;	2033	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1849	"$UNIQUEDIR/$path"	2034	"$UNIQUEDIR/$path"
1850	}
1851
1852	# and all this just because we cannot iterate over
1853	# all maps in C++...
1854	sub change_all_map_light {
1855	my ($change) = @_;
1856
1857	$_->change_map_light ($change)
1858	for grep $_->outdoor, values %cf::MAP;
1859	}	2035	}
1860		2036
1861	sub decay_objects {	2037	sub decay_objects {
1862	my ($self) = @_;	2038	my ($self) = @_;
1863		2039
…		…
1945		2121
1946	sub find;	2122	sub find;
1947	sub find {	2123	sub find {
1948	my ($path, $origin) = @_;	2124	my ($path, $origin) = @_;
1949		2125
		2126	cf::cede_to_tick;
		2127
1950	$path = normalise $path, $origin && $origin->path;	2128	$path = normalise $path, $origin && $origin->path;
1951		2129
1952	cf::lock_wait "map_data:$path";#d#remove	2130	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1953	cf::lock_wait "map_find:$path";	2131	my $guard2 = cf::lock_acquire "map_find:$path";
1954		2132
1955	$cf::MAP{$path} || do {	2133	$cf::MAP{$path} || do {
1956	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1957	my $guard2 = cf::lock_acquire "map_find:$path";
1958
1959	my $map = new_from_path cf::map $path	2134	my $map = new_from_path cf::map $path
1960	or return;	2135	or return;
1961		2136
1962	$map->{last_save} = $cf::RUNTIME;	2137	$map->{last_save} = $cf::RUNTIME;
1963		2138
…		…
1975		2150
1976	$cf::MAP{$path} = $map	2151	$cf::MAP{$path} = $map
1977	}	2152	}
1978	}	2153	}
1979		2154
1980	sub pre_load { }	2155	sub pre_load { }
1981	sub post_load { }	2156	#sub post_load { } # XS
1982		2157
1983	sub load {	2158	sub load {
1984	my ($self) = @_;	2159	my ($self) = @_;
1985		2160
1986	local $self->{deny_reset} = 1; # loading can take a long time	2161	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2031	unless ($self->{deny_activate}) {	2206	unless ($self->{deny_activate}) {
2032	$self->decay_objects;	2207	$self->decay_objects;
2033	$self->fix_auto_apply;	2208	$self->fix_auto_apply;
2034	$self->update_buttons;	2209	$self->update_buttons;
2035	cf::cede_to_tick;	2210	cf::cede_to_tick;
2036	$self->set_darkness_map;
2037	cf::cede_to_tick;
2038	$self->activate;	2211	$self->activate;
2039	}	2212	}
2040		2213
2041	$self->{last_save} = $cf::RUNTIME;	2214	$self->{last_save} = $cf::RUNTIME;
2042	$self->last_access ($cf::RUNTIME);	2215	$self->last_access ($cf::RUNTIME);
2043		2216
2044	$self->in_memory (cf::MAP_ACTIVE);	2217	$self->in_memory (cf::MAP_ACTIVE);
2045	}	2218	}
2046		2219
2047	$self->post_load;	2220	$self->post_load;
2048	}
2049		2221
		2222	1
		2223	}
		2224
		2225	# customize the map for a given player, i.e.
		2226	# return the _real_ map. used by e.g. per-player
		2227	# maps to change the path to ~playername/mappath
2050	sub customise_for {	2228	sub customise_for {
2051	my ($self, $ob) = @_;	2229	my ($self, $ob) = @_;
2052		2230
2053	return find "~" . $ob->name . "/" . $self->{path}	2231	return find "~" . $ob->name . "/" . $self->{path}
2054	if $self->per_player;	2232	if $self->per_player;
…		…
2070	or next;	2248	or next;
2071	$neigh = find $neigh, $map	2249	$neigh = find $neigh, $map
2072	or next;	2250	or next;
2073	$neigh->load;	2251	$neigh->load;
2074		2252
		2253	# now find the diagonal neighbours
2075	push @neigh,	2254	push @neigh,
2076	[$neigh->tile_path (($_ + 3) % 4), $neigh],	2255	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2077	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2256	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2078	}	2257	}
2079		2258
…		…
2086	}	2265	}
2087		2266
2088	sub find_sync {	2267	sub find_sync {
2089	my ($path, $origin) = @_;	2268	my ($path, $origin) = @_;
2090		2269
2091	cf::sync_job { find $path, $origin }	2270	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2271	if $Coro::current == $Coro::main;
		2272
		2273	find $path, $origin
2092	}	2274	}
2093		2275
2094	sub do_load_sync {	2276	sub do_load_sync {
2095	my ($map) = @_;	2277	my ($map) = @_;
2096		2278
2097	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2279	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2098	if $Coro::current == $Coro::main;	2280	if $Coro::current == $Coro::main;
2099		2281
2100	cf::sync_job { $map->load };	2282	$map->load;
2101	}	2283	}
2102		2284
2103	our %MAP_PREFETCH;	2285	our %MAP_PREFETCH;
2104	our $MAP_PREFETCHER = undef;	2286	our $MAP_PREFETCHER = undef;
2105		2287
…		…
2131	$MAP_PREFETCHER->prio (6);	2313	$MAP_PREFETCHER->prio (6);
2132		2314
2133	()	2315	()
2134	}	2316	}
2135		2317
		2318	# common code, used by both ->save and ->swapout
2136	sub save {	2319	sub _save {
2137	my ($self) = @_;	2320	my ($self) = @_;
2138
2139	my $lock = cf::lock_acquire "map_data:$self->{path}";
2140		2321
2141	$self->{last_save} = $cf::RUNTIME;	2322	$self->{last_save} = $cf::RUNTIME;
2142		2323
2143	return unless $self->dirty;	2324	return unless $self->dirty;
2144		2325
…		…
2164	} else {	2345	} else {
2165	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2346	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2166	}	2347	}
2167	}	2348	}
2168		2349
		2350	sub save {
		2351	my ($self) = @_;
		2352
		2353	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2354
		2355	$self->_save;
		2356	}
		2357
2169	sub swap_out {	2358	sub swap_out {
2170	my ($self) = @_;	2359	my ($self) = @_;
2171		2360
2172	# save first because save cedes
2173	$self->save;
2174
2175	my $lock = cf::lock_acquire "map_data:$self->{path}";	2361	my $lock = cf::lock_acquire "map_data:$self->{path}";
2176		2362
2177	return if $self->players;
2178	return if $self->in_memory != cf::MAP_ACTIVE;	2363	return if $self->in_memory != cf::MAP_ACTIVE;
2179	return if $self->{deny_save};	2364	return if $self->{deny_save};
		2365	return if $self->players;
2180		2366
		2367	# first deactivate the map and "unlink" it from the core
		2368	$self->deactivate;
		2369	$_->clear_links_to ($self) for values %cf::MAP;
2181	$self->in_memory (cf::MAP_SWAPPED);	2370	$self->in_memory (cf::MAP_SWAPPED);
		2371
		2372	# then atomically save
		2373	$self->_save;
		2374
		2375	# then free the map
		2376	$self->clear;
		2377	}
		2378
		2379	sub reset_at {
		2380	my ($self) = @_;
		2381
		2382	# TODO: safety, remove and allow resettable per-player maps
		2383	return 1e99 if $self->{deny_reset};
		2384
		2385	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2386	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2387
		2388	$time + $to
		2389	}
		2390
		2391	sub should_reset {
		2392	my ($self) = @_;
		2393
		2394	$self->reset_at <= $cf::RUNTIME
		2395	}
		2396
		2397	sub reset {
		2398	my ($self) = @_;
		2399
		2400	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2401
		2402	return if $self->players;
		2403
		2404	cf::trace "resetting map ", $self->path, "\n";
		2405
		2406	$self->in_memory (cf::MAP_SWAPPED);
		2407
		2408	# need to save uniques path
		2409	unless ($self->{deny_save}) {
		2410	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2411
		2412	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2413	if $uniq;
		2414	}
		2415
		2416	delete $cf::MAP{$self->path};
2182		2417
2183	$self->deactivate;	2418	$self->deactivate;
2184	$_->clear_links_to ($self) for values %cf::MAP;	2419	$_->clear_links_to ($self) for values %cf::MAP;
2185	$self->clear;	2420	$self->clear;
2186	}
2187
2188	sub reset_at {
2189	my ($self) = @_;
2190
2191	# TODO: safety, remove and allow resettable per-player maps
2192	return 1e99 if $self->{deny_reset};
2193
2194	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2195	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2196
2197	$time + $to
2198	}
2199
2200	sub should_reset {
2201	my ($self) = @_;
2202
2203	$self->reset_at <= $cf::RUNTIME
2204	}
2205
2206	sub reset {
2207	my ($self) = @_;
2208
2209	my $lock = cf::lock_acquire "map_data:$self->{path}";
2210
2211	return if $self->players;
2212
2213	warn "resetting map ", $self->path;
2214
2215	$self->in_memory (cf::MAP_SWAPPED);
2216
2217	# need to save uniques path
2218	unless ($self->{deny_save}) {
2219	my $uniq = $self->uniq_path; utf8::encode $uniq;
2220
2221	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2222	if $uniq;
2223	}
2224
2225	delete $cf::MAP{$self->path};
2226
2227	$self->deactivate;
2228	$_->clear_links_to ($self) for values %cf::MAP;
2229	$self->clear;
2230		2421
2231	$self->unlink_save;	2422	$self->unlink_save;
2232	$self->destroy;	2423	$self->destroy;
2233	}	2424	}
2234		2425
…		…
2242		2433
2243	delete $cf::MAP{$self->path};	2434	delete $cf::MAP{$self->path};
2244		2435
2245	$self->unlink_save;	2436	$self->unlink_save;
2246		2437
2247	bless $self, "cf::map";	2438	bless $self, "cf::map::wrap";
2248	delete $self->{deny_reset};	2439	delete $self->{deny_reset};
2249	$self->{deny_save} = 1;	2440	$self->{deny_save} = 1;
2250	$self->reset_timeout (1);	2441	$self->reset_timeout (1);
2251	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2442	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2252		2443
…		…
2309	: normalise $_	2500	: normalise $_
2310	} @{ aio_readdir $UNIQUEDIR or [] }	2501	} @{ aio_readdir $UNIQUEDIR or [] }
2311	]	2502	]
2312	}	2503	}
2313		2504
		2505	=item cf::map::static_maps
		2506
		2507	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2508	file in the shared directory excluding F</styles> and F</editor>). May
		2509	block.
		2510
		2511	=cut
		2512
		2513	sub static_maps() {
		2514	my @dirs = "";
		2515	my @maps;
		2516
		2517	while (@dirs) {
		2518	my $dir = shift @dirs;
		2519
		2520	next if $dir eq "/styles" || $dir eq "/editor";
		2521
		2522	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2523	or return;
		2524
		2525	for (@$files) {
		2526	s/\.map$// or next;
		2527	utf8::decode $_;
		2528	push @maps, "$dir/$_";
		2529	}
		2530
		2531	push @dirs, map "$dir/$_", @$dirs;
		2532	}
		2533
		2534	\@maps
		2535	}
		2536
2314	=back	2537	=back
2315		2538
2316	=head3 cf::object	2539	=head3 cf::object
2317		2540
2318	=cut	2541	=cut
…		…
2383		2606
2384	our $SAY_CHANNEL = {	2607	our $SAY_CHANNEL = {
2385	id => "say",	2608	id => "say",
2386	title => "Map",	2609	title => "Map",
2387	reply => "say ",	2610	reply => "say ",
2388	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",	2611	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2389	};	2612	};
2390		2613
2391	our $CHAT_CHANNEL = {	2614	our $CHAT_CHANNEL = {
2392	id => "chat",	2615	id => "chat",
2393	title => "Chat",	2616	title => "Chat",
…		…
2448		2671
2449	=item $player_object->enter_link	2672	=item $player_object->enter_link
2450		2673
2451	Freezes the player and moves him/her to a special map (C<{link}>).	2674	Freezes the player and moves him/her to a special map (C<{link}>).
2452		2675
2453	The player should be reasonably safe there for short amounts of time. You	2676	The player should be reasonably safe there for short amounts of time (e.g.
2454	I<MUST> call C<leave_link> as soon as possible, though.	2677	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2678	though, as the player cannot control the character while it is on the link
		2679	map.
2455		2680
2456	Will never block.	2681	Will never block.
2457		2682
2458	=item $player_object->leave_link ($map, $x, $y)	2683	=item $player_object->leave_link ($map, $x, $y)
2459		2684
…		…
2479	sub cf::object::player::enter_link {	2704	sub cf::object::player::enter_link {
2480	my ($self) = @_;	2705	my ($self) = @_;
2481		2706
2482	$self->deactivate_recursive;	2707	$self->deactivate_recursive;
2483		2708
		2709	++$self->{_link_recursion};
		2710
2484	return if UNIVERSAL::isa $self->map, "ext::map_link";	2711	return if UNIVERSAL::isa $self->map, "ext::map_link";
2485		2712
2486	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2713	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2487	if $self->map && $self->map->{path} ne "{link}";	2714	if $self->map && $self->map->{path} ne "{link}";
2488		2715
2489	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2716	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2490	}	2717	}
2491		2718
2492	sub cf::object::player::leave_link {	2719	sub cf::object::player::leave_link {
2493	my ($self, $map, $x, $y) = @_;	2720	my ($self, $map, $x, $y) = @_;
2494		2721
…		…
2511	($x, $y) = (-1, -1)	2738	($x, $y) = (-1, -1)
2512	unless (defined $x) && (defined $y);	2739	unless (defined $x) && (defined $y);
2513		2740
2514	# use -1 or undef as default coordinates, not 0, 0	2741	# use -1 or undef as default coordinates, not 0, 0
2515	($x, $y) = ($map->enter_x, $map->enter_y)	2742	($x, $y) = ($map->enter_x, $map->enter_y)
2516	if $x <=0 && $y <= 0;	2743	if $x <= 0 && $y <= 0;
2517		2744
2518	$map->load;	2745	$map->load;
2519	$map->load_neighbours;	2746	$map->load_neighbours;
2520		2747
2521	return unless $self->contr->active;	2748	return unless $self->contr->active;
2522	$self->activate_recursive;
2523		2749
2524	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2750	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2525	$self->enter_map ($map, $x, $y);	2751	if ($self->enter_map ($map, $x, $y)) {
2526	}	2752	# entering was successful
		2753	delete $self->{_link_recursion};
		2754	# only activate afterwards, to support waiting in hooks
		2755	$self->activate_recursive;
		2756	}
2527		2757
		2758	}
		2759
2528	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2760	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2529		2761
2530	Moves the player to the given map-path and coordinates by first freezing	2762	Moves the player to the given map-path and coordinates by first freezing
2531	her, loading and preparing them map, calling the provided $check callback	2763	her, loading and preparing them map, calling the provided $check callback
2532	that has to return the map if sucecssful, and then unfreezes the player on	2764	that has to return the map if sucecssful, and then unfreezes the player on
2533	the new (success) or old (failed) map position. In either case, $done will	2765	the new (success) or old (failed) map position. In either case, $done will
…		…
2540		2772
2541	our $GOTOGEN;	2773	our $GOTOGEN;
2542		2774
2543	sub cf::object::player::goto {	2775	sub cf::object::player::goto {
2544	my ($self, $path, $x, $y, $check, $done) = @_;	2776	my ($self, $path, $x, $y, $check, $done) = @_;
		2777
		2778	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2779	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2780	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2781	($path, $x, $y) = @$EMERGENCY_POSITION;
		2782	}
2545		2783
2546	# do generation counting so two concurrent goto's will be executed in-order	2784	# do generation counting so two concurrent goto's will be executed in-order
2547	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2785	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2548		2786
2549	$self->enter_link;	2787	$self->enter_link;
…		…
2573	my $map = eval {	2811	my $map = eval {
2574	my $map = defined $path ? cf::map::find $path : undef;	2812	my $map = defined $path ? cf::map::find $path : undef;
2575		2813
2576	if ($map) {	2814	if ($map) {
2577	$map = $map->customise_for ($self);	2815	$map = $map->customise_for ($self);
2578	$map = $check->($map) if $check && $map;	2816	$map = $check->($map, $x, $y, $self) if $check && $map;
2579	} else {	2817	} else {
2580	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2818	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2581	}	2819	}
2582		2820
2583	$map	2821	$map
…		…
2591	if ($gen == $self->{_goto_generation}) {	2829	if ($gen == $self->{_goto_generation}) {
2592	delete $self->{_goto_generation};	2830	delete $self->{_goto_generation};
2593	$self->leave_link ($map, $x, $y);	2831	$self->leave_link ($map, $x, $y);
2594	}	2832	}
2595		2833
2596	$done->() if $done;	2834	$done->($self) if $done;
2597	})->prio (1);	2835	})->prio (1);
2598	}	2836	}
2599		2837
2600	=item $player_object->enter_exit ($exit_object)	2838	=item $player_object->enter_exit ($exit_object)
2601		2839
…		…
2689	$self->contr->savebed ($map, $x, $y)	2927	$self->contr->savebed ($map, $x, $y)
2690	if $exit->flag (cf::FLAG_DAMNED);	2928	if $exit->flag (cf::FLAG_DAMNED);
2691		2929
2692	1	2930	1
2693	}) {	2931	}) {
2694	$self->message ("Something went wrong deep within the crossfire server. "	2932	$self->message ("Something went wrong deep within the deliantra server. "
2695	. "I'll try to bring you back to the map you were before. "	2933	. "I'll try to bring you back to the map you were before. "
2696	. "Please report this to the dungeon master!",	2934	. "Please report this to the dungeon master!",
2697	cf::NDI_UNIQUE | cf::NDI_RED);	2935	cf::NDI_UNIQUE | cf::NDI_RED);
2698		2936
2699	warn "ERROR in enter_exit: $@";	2937	error "ERROR in enter_exit: $@";
2700	$self->leave_link;	2938	$self->leave_link;
2701	}	2939	}
2702	})->prio (1);	2940	})->prio (1);
2703	}	2941	}
2704		2942
…		…
2716	sub cf::client::send_drawinfo {	2954	sub cf::client::send_drawinfo {
2717	my ($self, $text, $flags) = @_;	2955	my ($self, $text, $flags) = @_;
2718		2956
2719	utf8::encode $text;	2957	utf8::encode $text;
2720	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2958	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2959	}
		2960
		2961	=item $client->send_big_packet ($pkt)
		2962
		2963	Like C<send_packet>, but tries to compress large packets, and fragments
		2964	them as required.
		2965
		2966	=cut
		2967
		2968	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2969
		2970	sub cf::client::send_big_packet {
		2971	my ($self, $pkt) = @_;
		2972
		2973	# try lzf for large packets
		2974	$pkt = "lzf " . Compress::LZF::compress $pkt
		2975	if 1024 <= length $pkt and $self->{can_lzf};
		2976
		2977	# split very large packets
		2978	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2979	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2980	$pkt = "frag";
		2981	}
		2982
		2983	$self->send_packet ($pkt);
2721	}	2984	}
2722		2985
2723	=item $client->send_msg ($channel, $msg, $color, [extra...])	2986	=item $client->send_msg ($channel, $msg, $color, [extra...])
2724		2987
2725	Send a drawinfo or msg packet to the client, formatting the msg for the	2988	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2729		2992
2730	=cut	2993	=cut
2731		2994
2732	# non-persistent channels (usually the info channel)	2995	# non-persistent channels (usually the info channel)
2733	our %CHANNEL = (	2996	our %CHANNEL = (
		2997	"c/motd" => {
		2998	id => "infobox",
		2999	title => "MOTD",
		3000	reply => undef,
		3001	tooltip => "The message of the day",
		3002	},
2734	"c/identify" => {	3003	"c/identify" => {
2735	id => "infobox",	3004	id => "infobox",
2736	title => "Identify",	3005	title => "Identify",
2737	reply => undef,	3006	reply => undef,
2738	tooltip => "Items recently identified",	3007	tooltip => "Items recently identified",
…		…
2740	"c/examine" => {	3009	"c/examine" => {
2741	id => "infobox",	3010	id => "infobox",
2742	title => "Examine",	3011	title => "Examine",
2743	reply => undef,	3012	reply => undef,
2744	tooltip => "Signs and other items you examined",	3013	tooltip => "Signs and other items you examined",
		3014	},
		3015	"c/shopinfo" => {
		3016	id => "infobox",
		3017	title => "Shop Info",
		3018	reply => undef,
		3019	tooltip => "What your bargaining skill tells you about the shop",
2745	},	3020	},
2746	"c/book" => {	3021	"c/book" => {
2747	id => "infobox",	3022	id => "infobox",
2748	title => "Book",	3023	title => "Book",
2749	reply => undef,	3024	reply => undef,
…		…
2765	id => "infobox",	3040	id => "infobox",
2766	title => "Body Parts",	3041	title => "Body Parts",
2767	reply => undef,	3042	reply => undef,
2768	tooltip => "Shows which body parts you posess and are available",	3043	tooltip => "Shows which body parts you posess and are available",
2769	},	3044	},
		3045	"c/statistics" => {
		3046	id => "infobox",
		3047	title => "Statistics",
		3048	reply => undef,
		3049	tooltip => "Shows your primary statistics",
		3050	},
		3051	"c/skills" => {
		3052	id => "infobox",
		3053	title => "Skills",
		3054	reply => undef,
		3055	tooltip => "Shows your experience per skill and item power",
		3056	},
		3057	"c/shopitems" => {
		3058	id => "infobox",
		3059	title => "Shop Items",
		3060	reply => undef,
		3061	tooltip => "Shows the items currently for sale in this shop",
		3062	},
		3063	"c/resistances" => {
		3064	id => "infobox",
		3065	title => "Resistances",
		3066	reply => undef,
		3067	tooltip => "Shows your resistances",
		3068	},
		3069	"c/pets" => {
		3070	id => "infobox",
		3071	title => "Pets",
		3072	reply => undef,
		3073	tooltip => "Shows information abotu your pets/a specific pet",
		3074	},
		3075	"c/perceiveself" => {
		3076	id => "infobox",
		3077	title => "Perceive Self",
		3078	reply => undef,
		3079	tooltip => "You gained detailed knowledge about yourself",
		3080	},
2770	"c/uptime" => {	3081	"c/uptime" => {
2771	id => "infobox",	3082	id => "infobox",
2772	title => "Uptime",	3083	title => "Uptime",
2773	reply => undef,	3084	reply => undef,
2774	tooltip => "How long the server has been running since last restart",	3085	tooltip => "How long the server has been running since last restart",
…		…
2783	id => "party",	3094	id => "party",
2784	title => "Party",	3095	title => "Party",
2785	reply => "gsay ",	3096	reply => "gsay ",
2786	tooltip => "Messages and chat related to your party",	3097	tooltip => "Messages and chat related to your party",
2787	},	3098	},
		3099	"c/death" => {
		3100	id => "death",
		3101	title => "Death",
		3102	reply => undef,
		3103	tooltip => "Reason for and more info about your most recent death",
		3104	},
		3105	"c/say" => $SAY_CHANNEL,
		3106	"c/chat" => $CHAT_CHANNEL,
2788	);	3107	);
2789		3108
2790	sub cf::client::send_msg {	3109	sub cf::client::send_msg {
2791	my ($self, $channel, $msg, $color, @extra) = @_;	3110	my ($self, $channel, $msg, $color, @extra) = @_;
2792		3111
2793	$msg = $self->pl->expand_cfpod ($msg);	3112	$msg = $self->pl->expand_cfpod ($msg)
		3113	unless $color & cf::NDI_VERBATIM;
2794		3114
2795	$color &= cf::NDI_CLIENT_MASK; # just in case...	3115	$color &= cf::NDI_CLIENT_MASK; # just in case...
2796		3116
2797	# check predefined channels, for the benefit of C	3117	# check predefined channels, for the benefit of C
2798	if ($CHANNEL{$channel}) {	3118	if ($CHANNEL{$channel}) {
2799	$channel = $CHANNEL{$channel};	3119	$channel = $CHANNEL{$channel};
2800		3120
2801	$self->ext_msg (channel_info => $channel)	3121	$self->ext_msg (channel_info => $channel);
2802	if $self->can_msg;
2803
2804	$channel = $channel->{id};	3122	$channel = $channel->{id};
2805		3123
2806	} elsif (ref $channel) {	3124	} elsif (ref $channel) {
2807	# send meta info to client, if not yet sent	3125	# send meta info to client, if not yet sent
2808	unless (exists $self->{channel}{$channel->{id}}) {	3126	unless (exists $self->{channel}{$channel->{id}}) {
2809	$self->{channel}{$channel->{id}} = $channel;	3127	$self->{channel}{$channel->{id}} = $channel;
2810	$self->ext_msg (channel_info => $channel)	3128	$self->ext_msg (channel_info => $channel);
2811	if $self->can_msg;
2812	}	3129	}
2813		3130
2814	$channel = $channel->{id};	3131	$channel = $channel->{id};
2815	}	3132	}
2816		3133
2817	return unless @extra || length $msg;	3134	return unless @extra || length $msg;
2818		3135
2819	if ($self->can_msg) {
2820	# default colour, mask it out	3136	# default colour, mask it out
2821	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3137	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2822	if $color & cf::NDI_DEF;	3138	if $color & cf::NDI_DEF;
2823		3139
2824	my $pkt = "msg "	3140	my $pkt = "msg "
2825	. $self->{json_coder}->encode (	3141	. $self->{json_coder}->encode (
2826	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]	3142	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2827	);	3143	);
2828		3144
2829	# try lzf for large packets
2830	$pkt = "lzf " . Compress::LZF::compress $pkt
2831	if 1024 <= length $pkt and $self->{can_lzf};
2832
2833	# split very large packets
2834	if (8192 < length $pkt and $self->{can_lzf}) {
2835	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2836	$pkt = "frag";
2837	}
2838
2839	$self->send_packet ($pkt);	3145	$self->send_big_packet ($pkt);
2840	} else {
2841	if ($color >= 0) {
2842	# replace some tags by gcfclient-compatible ones
2843	for ($msg) {
2844	1 while
2845	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2846	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2847	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2848	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2849	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2850	}
2851
2852	$color &= cf::NDI_COLOR_MASK;
2853
2854	utf8::encode $msg;
2855
2856	if (0 && $msg =~ /\[/) {
2857	# COMMAND/INFO
2858	$self->send_packet ("drawextinfo $color 10 8 $msg")
2859	} else {
2860	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2861	$self->send_packet ("drawinfo $color $msg")
2862	}
2863	}
2864	}
2865	}	3146	}
2866		3147
2867	=item $client->ext_msg ($type, @msg)	3148	=item $client->ext_msg ($type, @msg)
2868		3149
2869	Sends an ext event to the client.	3150	Sends an ext event to the client.
…		…
2872		3153
2873	sub cf::client::ext_msg($$@) {	3154	sub cf::client::ext_msg($$@) {
2874	my ($self, $type, @msg) = @_;	3155	my ($self, $type, @msg) = @_;
2875		3156
2876	if ($self->extcmd == 2) {	3157	if ($self->extcmd == 2) {
2877	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3158	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2878	} elsif ($self->extcmd == 1) { # TODO: remove	3159	} elsif ($self->extcmd == 1) { # TODO: remove
2879	push @msg, msgtype => "event_$type";	3160	push @msg, msgtype => "event_$type";
2880	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3161	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2881	}	3162	}
2882	}	3163	}
2883		3164
2884	=item $client->ext_reply ($msgid, @msg)	3165	=item $client->ext_reply ($msgid, @msg)
2885		3166
…		…
2889		3170
2890	sub cf::client::ext_reply($$@) {	3171	sub cf::client::ext_reply($$@) {
2891	my ($self, $id, @msg) = @_;	3172	my ($self, $id, @msg) = @_;
2892		3173
2893	if ($self->extcmd == 2) {	3174	if ($self->extcmd == 2) {
2894	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3175	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2895	} elsif ($self->extcmd == 1) {	3176	} elsif ($self->extcmd == 1) {
2896	#TODO: version 1, remove	3177	#TODO: version 1, remove
2897	unshift @msg, msgtype => "reply", msgid => $id;	3178	unshift @msg, msgtype => "reply", msgid => $id;
2898	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3179	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2899	}	3180	}
2900	}	3181	}
2901		3182
2902	=item $success = $client->query ($flags, "text", \&cb)	3183	=item $success = $client->query ($flags, "text", \&cb)
2903		3184
…		…
2974		3255
2975	$ns->ext_reply ($reply, @reply)	3256	$ns->ext_reply ($reply, @reply)
2976	if $reply;	3257	if $reply;
2977		3258
2978	} else {	3259	} else {
2979	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3260	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2980	}	3261	}
2981		3262
2982	cf::override;	3263	cf::override;
2983	},	3264	},
2984	);	3265	);
…		…
3004		3285
3005	$coro	3286	$coro
3006	}	3287	}
3007		3288
3008	cf::client->attach (	3289	cf::client->attach (
3009	on_destroy => sub {	3290	on_client_destroy => sub {
3010	my ($ns) = @_;	3291	my ($ns) = @_;
3011		3292
3012	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3293	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
3013	},	3294	},
3014	);	3295	);
…		…
3030	our $safe_hole = new Safe::Hole;	3311	our $safe_hole = new Safe::Hole;
3031		3312
3032	$SIG{FPE} = 'IGNORE';	3313	$SIG{FPE} = 'IGNORE';
3033		3314
3034	$safe->permit_only (Opcode::opset qw(	3315	$safe->permit_only (Opcode::opset qw(
3035	:base_core :base_mem :base_orig :base_math	3316	:base_core :base_mem :base_orig :base_math :base_loop
3036	grepstart grepwhile mapstart mapwhile	3317	grepstart grepwhile mapstart mapwhile
3037	sort time	3318	sort time
3038	));	3319	));
3039		3320
3040	# here we export the classes and methods available to script code	3321	# here we export the classes and methods available to script code
…		…
3044	The following functions and methods are available within a safe environment:	3325	The following functions and methods are available within a safe environment:
3045		3326
3046	cf::object	3327	cf::object
3047	contr pay_amount pay_player map x y force_find force_add destroy	3328	contr pay_amount pay_player map x y force_find force_add destroy
3048	insert remove name archname title slaying race decrease split	3329	insert remove name archname title slaying race decrease split
		3330	value
3049		3331
3050	cf::object::player	3332	cf::object::player
3051	player	3333	player
3052		3334
3053	cf::player	3335	cf::player
…		…
3059	=cut	3341	=cut
3060		3342
3061	for (	3343	for (
3062	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3344	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3063	insert remove inv nrof name archname title slaying race	3345	insert remove inv nrof name archname title slaying race
3064	decrease split destroy change_exp)],	3346	decrease split destroy change_exp value msg lore send_msg)],
3065	["cf::object::player" => qw(player)],	3347	["cf::object::player" => qw(player)],
3066	["cf::player" => qw(peaceful)],	3348	["cf::player" => qw(peaceful send_msg)],
3067	["cf::map" => qw(trigger)],	3349	["cf::map" => qw(trigger)],
3068	) {	3350	) {
3069	no strict 'refs';
3070	my ($pkg, @funs) = @$_;	3351	my ($pkg, @funs) = @$_;
3071	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3352	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3072	for @funs;	3353	for @funs;
3073	}	3354	}
3074		3355
…		…
3089		3370
3090	my $qcode = $code;	3371	my $qcode = $code;
3091	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3372	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3092	$qcode =~ s/\n/\\n/g;	3373	$qcode =~ s/\n/\\n/g;
3093		3374
		3375	%vars = (_dummy => 0) unless %vars;
		3376
		3377	my @res;
3094	local $_;	3378	local $_;
3095	local @safe::cf::_safe_eval_args = values %vars;
3096		3379
3097	my $eval =	3380	my $eval =
3098	"do {\n"	3381	"do {\n"
3099	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3382	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3100	. "#line 0 \"{$qcode}\"\n"	3383	. "#line 0 \"{$qcode}\"\n"
3101	. $code	3384	. $code
3102	. "\n}"	3385	. "\n}"
3103	;	3386	;
3104		3387
		3388	if ($CFG{safe_eval}) {
3105	sub_generation_inc;	3389	sub_generation_inc;
		3390	local @safe::cf::_safe_eval_args = values %vars;
3106	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3391	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3107	sub_generation_inc;	3392	sub_generation_inc;
		3393	} else {
		3394	local @cf::_safe_eval_args = values %vars;
		3395	@res = wantarray ? eval eval : scalar eval $eval;
		3396	}
3108		3397
3109	if ($@) {	3398	if ($@) {
3110	warn "$@";	3399	warn "$@",
3111	warn "while executing safe code '$code'\n";	3400	"while executing safe code '$code'\n",
3112	warn "with arguments " . (join " ", %vars) . "\n";	3401	"with arguments " . (join " ", %vars) . "\n";
3113	}	3402	}
3114		3403
3115	wantarray ? @res : $res[0]	3404	wantarray ? @res : $res[0]
3116	}	3405	}
3117		3406
…		…
3131	=cut	3420	=cut
3132		3421
3133	sub register_script_function {	3422	sub register_script_function {
3134	my ($fun, $cb) = @_;	3423	my ($fun, $cb) = @_;
3135		3424
3136	no strict 'refs';	3425	$fun = "safe::$fun" if $CFG{safe_eval};
3137	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3426	*$fun = $safe_hole->wrap ($cb);
3138	}	3427	}
3139		3428
3140	=back	3429	=back
3141		3430
3142	=cut	3431	=cut
…		…
3151	# for this (global event?)	3440	# for this (global event?)
3152	%ext::player_env::MUSIC_FACE_CACHE = ();	3441	%ext::player_env::MUSIC_FACE_CACHE = ();
3153		3442
3154	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3443	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3155		3444
3156	warn "loading facedata from $path\n";	3445	trace "loading facedata from $path\n";
3157		3446
3158	my $facedata;	3447	my $facedata = decode_storable load_file $path;
3159	0 < aio_load $path, $facedata
3160	or die "$path: $!";
3161
3162	$facedata = Coro::Storable::thaw $facedata;
3163		3448
3164	$facedata->{version} == 2	3449	$facedata->{version} == 2
3165	or cf::cleanup "$path: version mismatch, cannot proceed.";	3450	or cf::cleanup "$path: version mismatch, cannot proceed.";
3166		3451
3167	# patch in the exptable	3452	# patch in the exptable
		3453	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3168	$facedata->{resource}{"res/exp_table"} = {	3454	$facedata->{resource}{"res/exp_table"} = {
3169	type => FT_RSRC,	3455	type => FT_RSRC,
3170	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3456	data => $exp_table,
		3457	hash => (Digest::MD5::md5 $exp_table),
3171	};	3458	};
3172	cf::cede_to_tick;	3459	cf::cede_to_tick;
3173		3460
3174	{	3461	{
3175	my $faces = $facedata->{faceinfo};	3462	my $faces = $facedata->{faceinfo};
…		…
3177	while (my ($face, $info) = each %$faces) {	3464	while (my ($face, $info) = each %$faces) {
3178	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3465	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3179		3466
3180	cf::face::set_visibility $idx, $info->{visibility};	3467	cf::face::set_visibility $idx, $info->{visibility};
3181	cf::face::set_magicmap $idx, $info->{magicmap};	3468	cf::face::set_magicmap $idx, $info->{magicmap};
3182	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3469	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3183	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3470	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3471	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
3184		3472
3185	cf::cede_to_tick;	3473	cf::cede_to_tick;
3186	}	3474	}
3187		3475
3188	while (my ($face, $info) = each %$faces) {	3476	while (my ($face, $info) = each %$faces) {
…		…
3193		3481
3194	if (my $smooth = cf::face::find $info->{smooth}) {	3482	if (my $smooth = cf::face::find $info->{smooth}) {
3195	cf::face::set_smooth $idx, $smooth;	3483	cf::face::set_smooth $idx, $smooth;
3196	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3484	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3197	} else {	3485	} else {
3198	warn "smooth face '$info->{smooth}' not found for face '$face'";	3486	error "smooth face '$info->{smooth}' not found for face '$face'";
3199	}	3487	}
3200		3488
3201	cf::cede_to_tick;	3489	cf::cede_to_tick;
3202	}	3490	}
3203	}	3491	}
…		…
3212		3500
3213	cf::anim::invalidate_all; # d'oh	3501	cf::anim::invalidate_all; # d'oh
3214	}	3502	}
3215		3503
3216	{	3504	{
3217	# TODO: for gcfclient pleasure, we should give resources
3218	# that gcfclient doesn't grok a >10000 face index.
3219	my $res = $facedata->{resource};	3505	my $res = $facedata->{resource};
3220		3506
3221	while (my ($name, $info) = each %$res) {	3507	while (my ($name, $info) = each %$res) {
3222	if (defined $info->{type}) {	3508	if (defined $info->{type}) {
3223	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3509	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3224	my $data;
3225		3510
3226	if ($info->{type} & 1) {	3511	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3227	# prepend meta info
3228
3229	my $meta = $enc->encode ({
3230	name => $name,
3231	%{ $info->{meta} || {} },
3232	});
3233
3234	$data = pack "(w/a*)*", $meta, $info->{data};
3235	} else {
3236	$data = $info->{data};
3237	}
3238
3239	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3240	cf::face::set_type $idx, $info->{type};	3512	cf::face::set_type $idx, $info->{type};
3241	} else {	3513	} else {
3242	$RESOURCE{$name} = $info;	3514	$RESOURCE{$name} = $info; # unused
3243	}	3515	}
3244		3516
3245	cf::cede_to_tick;	3517	cf::cede_to_tick;
3246	}	3518	}
3247	}	3519	}
3248		3520
3249	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);	3521	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3250		3522
3251	1	3523	1
3252	}	3524	}
3253
3254	cf::global->attach (on_resource_update => sub {
3255	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3256	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3257
3258	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3259	my $sound = $soundconf->{compat}[$_]
3260	or next;
3261
3262	my $face = cf::face::find "sound/$sound->[1]";
3263	cf::sound::set $sound->[0] => $face;
3264	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3265	}
3266
3267	while (my ($k, $v) = each %{$soundconf->{event}}) {
3268	my $face = cf::face::find "sound/$v";
3269	cf::sound::set $k => $face;
3270	}
3271	}
3272	});
3273		3525
3274	register_exticmd fx_want => sub {	3526	register_exticmd fx_want => sub {
3275	my ($ns, $want) = @_;	3527	my ($ns, $want) = @_;
3276		3528
3277	while (my ($k, $v) = each %$want) {	3529	while (my ($k, $v) = each %$want) {
…		…
3316	sub reload_treasures {	3568	sub reload_treasures {
3317	load_resource_file "$DATADIR/treasures"	3569	load_resource_file "$DATADIR/treasures"
3318	or die "unable to load treasurelists\n";	3570	or die "unable to load treasurelists\n";
3319	}	3571	}
3320		3572
		3573	sub reload_sound {
		3574	trace "loading sound config from $DATADIR/sound\n";
		3575
		3576	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3577
		3578	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3579	my $sound = $soundconf->{compat}[$_]
		3580	or next;
		3581
		3582	my $face = cf::face::find "sound/$sound->[1]";
		3583	cf::sound::set $sound->[0] => $face;
		3584	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3585	}
		3586
		3587	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3588	my $face = cf::face::find "sound/$v";
		3589	cf::sound::set $k => $face;
		3590	}
		3591	}
		3592
3321	sub reload_resources {	3593	sub reload_resources {
3322	warn "reloading resource files...\n";	3594	trace "reloading resource files...\n";
3323		3595
		3596	reload_exp_table;
		3597	reload_materials;
3324	reload_facedata;	3598	reload_facedata;
		3599	reload_sound;
3325	reload_archetypes;	3600	reload_archetypes;
3326	reload_regions;	3601	reload_regions;
3327	reload_treasures;	3602	reload_treasures;
3328		3603
3329	warn "finished reloading resource files\n";	3604	trace "finished reloading resource files\n";
3330	}
3331
3332	sub init {
3333	my $guard = freeze_mainloop;
3334
3335	evthread_start IO::AIO::poll_fileno;
3336
3337	reload_resources;
3338	}	3605	}
3339		3606
3340	sub reload_config {	3607	sub reload_config {
3341	open my $fh, "<:utf8", "$CONFDIR/config"	3608	trace "reloading config file...\n";
3342	or return;
3343		3609
3344	local $/;	3610	my $config = load_file "$CONFDIR/config";
3345	*CFG = YAML::Load <$fh>;	3611	utf8::decode $config;
		3612	*CFG = decode_yaml $config;
3346		3613
3347	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3614	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3348		3615
3349	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3616	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3350	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3617	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3351		3618
3352	if (exists $CFG{mlockall}) {	3619	if (exists $CFG{mlockall}) {
…		…
3375		3642
3376	seek $fh, 0, 0;	3643	seek $fh, 0, 0;
3377	print $fh $$;	3644	print $fh $$;
3378	}	3645	}
3379		3646
		3647	sub main_loop {
		3648	trace "EV::loop starting\n";
		3649	if (1) {
		3650	EV::loop;
		3651	}
		3652	trace "EV::loop returned\n";
		3653	goto &main_loop unless $REALLY_UNLOOP;
		3654	}
		3655
3380	sub main {	3656	sub main {
3381	atomic;	3657	cf::init_globals; # initialise logging
		3658
		3659	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3660	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3661	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3662	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3663
		3664	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3382		3665
3383	# we must not ever block the main coroutine	3666	# we must not ever block the main coroutine
3384	local $Coro::idle = sub {	3667	local $Coro::idle = sub {
3385	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3668	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3386	(async {	3669	(async {
3387	$Coro::current->{desc} = "IDLE BUG HANDLER";	3670	$Coro::current->{desc} = "IDLE BUG HANDLER";
3388	EV::loop EV::LOOP_ONESHOT;	3671	EV::loop EV::LOOP_ONESHOT;
3389	})->prio (Coro::PRIO_MAX);	3672	})->prio (Coro::PRIO_MAX);
3390	};	3673	};
3391		3674
3392	{	3675	evthread_start IO::AIO::poll_fileno;
3393	my $guard = freeze_mainloop;	3676
		3677	cf::sync_job {
		3678	cf::incloader::init ();
		3679
		3680	cf::init_anim;
		3681	cf::init_attackmess;
		3682	cf::init_dynamic;
		3683
		3684	cf::load_settings;
		3685
		3686	reload_resources;
3394	reload_config;	3687	reload_config;
3395	db_init;	3688	db_init;
		3689
		3690	cf::init_uuid;
		3691	cf::init_signals;
		3692	cf::init_skills;
		3693
		3694	cf::init_beforeplay;
		3695
		3696	atomic;
		3697
3396	load_extensions;	3698	load_extensions;
3397		3699
3398	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3399	}
3400
3401	utime time, time, $RUNTIMEFILE;	3700	utime time, time, $RUNTIMEFILE;
3402		3701
3403	# no (long-running) fork's whatsoever before this point(!)	3702	# no (long-running) fork's whatsoever before this point(!)
		3703	use POSIX ();
3404	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};	3704	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3405		3705
3406	EV::loop;	3706	cf::_post_init 0;
		3707	};
		3708
		3709	cf::object::thawer::errors_are_fatal 0;
		3710	info "parse errors in files are no longer fatal from this point on.\n";
		3711
		3712	my $free_main; $free_main = EV::idle sub {
		3713	undef $free_main;
		3714	undef &main; # free gobs of memory :)
		3715	};
		3716
		3717	goto &main_loop;
3407	}	3718	}
3408		3719
3409	#############################################################################	3720	#############################################################################
3410	# initialisation and cleanup	3721	# initialisation and cleanup
3411		3722
3412	# install some emergency cleanup handlers	3723	# install some emergency cleanup handlers
3413	BEGIN {	3724	BEGIN {
3414	our %SIGWATCHER = ();	3725	our %SIGWATCHER = ();
3415	for my $signal (qw(INT HUP TERM)) {	3726	for my $signal (qw(INT HUP TERM)) {
3416	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3727	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3417	cf::cleanup "SIG$signal";	3728	cf::cleanup "SIG$signal";
3418	};	3729	};
3419	}	3730	}
3420	}	3731	}
3421		3732
3422	sub write_runtime_sync {	3733	sub write_runtime_sync {
		3734	my $t0 = AE::time;
		3735
3423	# first touch the runtime file to show we are still running:	3736	# first touch the runtime file to show we are still running:
3424	# the fsync below can take a very very long time.	3737	# the fsync below can take a very very long time.
3425		3738
3426	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;	3739	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3427		3740
3428	my $guard = cf::lock_acquire "write_runtime";	3741	my $guard = cf::lock_acquire "write_runtime";
3429		3742
3430	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644	3743	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3431	or return;	3744	or return;
3432		3745
3433	my $value = $cf::RUNTIME + 90 + 10;	3746	my $value = $cf::RUNTIME + 90 + 10;
3434	# 10 is the runtime save interval, for a monotonic clock	3747	# 10 is the runtime save interval, for a monotonic clock
3435	# 60 allows for the watchdog to kill the server.	3748	# 60 allows for the watchdog to kill the server.
…		…
3448	or return;	3761	or return;
3449		3762
3450	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE	3763	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3451	and return;	3764	and return;
3452		3765
3453	warn "runtime file written.\n";	3766	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3454		3767
3455	1	3768	1
3456	}	3769	}
3457		3770
3458	our $uuid_lock;	3771	our $uuid_lock;
…		…
3467	my $uuid = "$LOCALDIR/uuid";	3780	my $uuid = "$LOCALDIR/uuid";
3468		3781
3469	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644	3782	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3470	or return;	3783	or return;
3471		3784
3472	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;	3785	my $value = uuid_seq uuid_cur;
		3786
		3787	unless ($value) {
		3788	info "cowardly refusing to write zero uuid value!\n";
		3789	return;
		3790	}
		3791
		3792	my $value = uuid_str $value + $uuid_skip;
3473	$uuid_skip = 0;	3793	$uuid_skip = 0;
3474		3794
3475	(aio_write $fh, 0, (length $value), $value, 0) <= 0	3795	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3476	and return;	3796	and return;
3477		3797
…		…
3483	or return;	3803	or return;
3484		3804
3485	aio_rename "$uuid~", $uuid	3805	aio_rename "$uuid~", $uuid
3486	and return;	3806	and return;
3487		3807
3488	warn "uuid file written ($value).\n";	3808	trace "uuid file written ($value).\n";
3489		3809
3490	1	3810	1
3491		3811
3492	}	3812	}
3493		3813
…		…
3499	}	3819	}
3500		3820
3501	sub emergency_save() {	3821	sub emergency_save() {
3502	my $freeze_guard = cf::freeze_mainloop;	3822	my $freeze_guard = cf::freeze_mainloop;
3503		3823
3504	warn "enter emergency perl save\n";	3824	info "emergency_perl_save: enter\n";
		3825
		3826	# this is a trade-off: we want to be very quick here, so
		3827	# save all maps without fsync, and later call a global sync
		3828	# (which in turn might be very very slow)
		3829	local $USE_FSYNC = 0;
3505		3830
3506	cf::sync_job {	3831	cf::sync_job {
		3832	cf::write_runtime_sync; # external watchdog should not bark
		3833
3507	# use a peculiar iteration method to avoid tripping on perl	3834	# use a peculiar iteration method to avoid tripping on perl
3508	# refcount bugs in for. also avoids problems with players	3835	# refcount bugs in for. also avoids problems with players
3509	# and maps saved/destroyed asynchronously.	3836	# and maps saved/destroyed asynchronously.
3510	warn "begin emergency player save\n";	3837	info "emergency_perl_save: begin player save\n";
3511	for my $login (keys %cf::PLAYER) {	3838	for my $login (keys %cf::PLAYER) {
3512	my $pl = $cf::PLAYER{$login} or next;	3839	my $pl = $cf::PLAYER{$login} or next;
3513	$pl->valid or next;	3840	$pl->valid or next;
3514	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3841	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3515	$pl->save;	3842	$pl->save;
3516	}	3843	}
3517	warn "end emergency player save\n";	3844	info "emergency_perl_save: end player save\n";
3518		3845
3519	warn "begin emergency map save\n";	3846	cf::write_runtime_sync; # external watchdog should not bark
		3847
		3848	info "emergency_perl_save: begin map save\n";
3520	for my $path (keys %cf::MAP) {	3849	for my $path (keys %cf::MAP) {
3521	my $map = $cf::MAP{$path} or next;	3850	my $map = $cf::MAP{$path} or next;
3522	$map->valid or next;	3851	$map->valid or next;
3523	$map->save;	3852	$map->save;
3524	}	3853	}
3525	warn "end emergency map save\n";	3854	info "emergency_perl_save: end map save\n";
3526		3855
3527	warn "begin emergency database checkpoint\n";	3856	cf::write_runtime_sync; # external watchdog should not bark
		3857
		3858	info "emergency_perl_save: begin database checkpoint\n";
3528	BDB::db_env_txn_checkpoint $DB_ENV;	3859	BDB::db_env_txn_checkpoint $DB_ENV;
3529	warn "end emergency database checkpoint\n";	3860	info "emergency_perl_save: end database checkpoint\n";
3530		3861
3531	warn "begin write uuid\n";	3862	info "emergency_perl_save: begin write uuid\n";
3532	write_uuid_sync 1;	3863	write_uuid_sync 1;
3533	warn "end write uuid\n";	3864	info "emergency_perl_save: end write uuid\n";
		3865
		3866	cf::write_runtime_sync; # external watchdog should not bark
		3867
		3868	trace "emergency_perl_save: syncing database to disk";
		3869	BDB::db_env_txn_checkpoint $DB_ENV;
		3870
		3871	info "emergency_perl_save: starting sync\n";
		3872	IO::AIO::aio_sync sub {
		3873	info "emergency_perl_save: finished sync\n";
		3874	};
		3875
		3876	cf::write_runtime_sync; # external watchdog should not bark
		3877
		3878	trace "emergency_perl_save: flushing outstanding aio requests";
		3879	while (IO::AIO::nreqs || BDB::nreqs) {
		3880	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3881	}
		3882
		3883	cf::write_runtime_sync; # external watchdog should not bark
3534	};	3884	};
3535		3885
3536	warn "leave emergency perl save\n";	3886	info "emergency_perl_save: leave\n";
3537	}	3887	}
3538		3888
3539	sub post_cleanup {	3889	sub post_cleanup {
3540	my ($make_core) = @_;	3890	my ($make_core) = @_;
3541		3891
		3892	IO::AIO::flush;
		3893
3542	warn Carp::longmess "post_cleanup backtrace"	3894	error Carp::longmess "post_cleanup backtrace"
3543	if $make_core;	3895	if $make_core;
3544		3896
3545	my $fh = pidfile;	3897	my $fh = pidfile;
3546	unlink $PIDFILE if <$fh> == $$;	3898	unlink $PIDFILE if <$fh> == $$;
3547	}	3899	}
…		…
3567	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};	3919	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3568	for my $name (keys %$leaf_symtab) {	3920	for my $name (keys %$leaf_symtab) {
3569	_gv_clear *{"$pkg$name"};	3921	_gv_clear *{"$pkg$name"};
3570	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};	3922	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3571	}	3923	}
3572	warn "cleared package #$pkg\n";#d#
3573	}	3924	}
3574
3575	our $RELOAD; # how many times to reload
3576		3925
3577	sub do_reload_perl() {	3926	sub do_reload_perl() {
3578	# can/must only be called in main	3927	# can/must only be called in main
3579	if ($Coro::current != $Coro::main) {	3928	unless (in_main) {
3580	warn "can only reload from main coroutine";	3929	error "can only reload from main coroutine";
3581	return;	3930	return;
3582	}	3931	}
3583		3932
3584	return if $RELOAD++;	3933	return if $RELOAD++;
3585		3934
		3935	my $t1 = AE::time;
		3936
3586	while ($RELOAD) {	3937	while ($RELOAD) {
3587	warn "reloading...";	3938	cf::get_slot 0.1, -1, "reload_perl";
		3939	info "perl_reload: reloading...";
3588		3940
3589	warn "entering sync_job";	3941	trace "perl_reload: entering sync_job";
3590		3942
3591	cf::sync_job {	3943	cf::sync_job {
3592	cf::write_runtime_sync; # external watchdog should not bark
3593	cf::emergency_save;	3944	#cf::emergency_save;
3594	cf::write_runtime_sync; # external watchdog should not bark
3595		3945
3596	warn "syncing database to disk";
3597	BDB::db_env_txn_checkpoint $DB_ENV;
3598
3599	# if anything goes wrong in here, we should simply crash as we already saved
3600
3601	warn "flushing outstanding aio requests";
3602	while (IO::AIO::nreqs || BDB::nreqs) {
3603	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3604	}
3605
3606	warn "cancelling all extension coros";	3946	trace "perl_reload: cancelling all extension coros";
3607	$_->cancel for values %EXT_CORO;	3947	$_->cancel for values %EXT_CORO;
3608	%EXT_CORO = ();	3948	%EXT_CORO = ();
3609		3949
3610	warn "removing commands";	3950	trace "perl_reload: removing commands";
3611	%COMMAND = ();	3951	%COMMAND = ();
3612		3952
3613	warn "removing ext/exti commands";	3953	trace "perl_reload: removing ext/exti commands";
3614	%EXTCMD = ();	3954	%EXTCMD = ();
3615	%EXTICMD = ();	3955	%EXTICMD = ();
3616		3956
3617	warn "unloading/nuking all extensions";	3957	trace "perl_reload: unloading/nuking all extensions";
3618	for my $pkg (@EXTS) {	3958	for my $pkg (@EXTS) {
3619	warn "... unloading $pkg";	3959	trace "... unloading $pkg";
3620		3960
3621	if (my $cb = $pkg->can ("unload")) {	3961	if (my $cb = $pkg->can ("unload")) {
3622	eval {	3962	eval {
3623	$cb->($pkg);	3963	$cb->($pkg);
3624	1	3964	1
3625	} or warn "$pkg unloaded, but with errors: $@";	3965	} or error "$pkg unloaded, but with errors: $@";
3626	}	3966	}
3627		3967
3628	warn "... clearing $pkg";	3968	trace "... clearing $pkg";
3629	clear_package $pkg;	3969	clear_package $pkg;
3630	}	3970	}
3631		3971
3632	warn "unloading all perl modules loaded from $LIBDIR";	3972	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3633	while (my ($k, $v) = each %INC) {	3973	while (my ($k, $v) = each %INC) {
3634	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3974	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3635		3975
3636	warn "... unloading $k";	3976	trace "... unloading $k";
3637	delete $INC{$k};	3977	delete $INC{$k};
3638		3978
3639	$k =~ s/\.pm$//;	3979	$k =~ s/\.pm$//;
3640	$k =~ s/\//::/g;	3980	$k =~ s/\//::/g;
3641		3981
…		…
3644	}	3984	}
3645		3985
3646	clear_package $k;	3986	clear_package $k;
3647	}	3987	}
3648		3988
3649	warn "getting rid of safe::, as good as possible";	3989	trace "perl_reload: getting rid of safe::, as good as possible";
3650	clear_package "safe::$_"	3990	clear_package "safe::$_"
3651	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3991	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3652		3992
3653	warn "unloading cf.pm \"a bit\"";	3993	trace "perl_reload: unloading cf.pm \"a bit\"";
3654	delete $INC{"cf.pm"};	3994	delete $INC{"cf.pm"};
3655	delete $INC{"cf/pod.pm"};	3995	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3656		3996
3657	# don't, removes xs symbols, too,	3997	# don't, removes xs symbols, too,
3658	# and global variables created in xs	3998	# and global variables created in xs
3659	#clear_package __PACKAGE__;	3999	#clear_package __PACKAGE__;
3660		4000
3661	warn "unload completed, starting to reload now";	4001	info "perl_reload: unload completed, starting to reload now";
3662		4002
3663	warn "reloading cf.pm";	4003	trace "perl_reload: reloading cf.pm";
3664	require cf;	4004	require cf;
3665	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4005	cf::_connect_to_perl_1;
3666		4006
3667	warn "loading config and database again";	4007	trace "perl_reload: loading config and database again";
3668	cf::reload_config;	4008	cf::reload_config;
3669		4009
3670	warn "loading extensions";	4010	trace "perl_reload: loading extensions";
3671	cf::load_extensions;	4011	cf::load_extensions;
3672		4012
		4013	if ($REATTACH_ON_RELOAD) {
3673	warn "reattaching attachments to objects/players";	4014	trace "perl_reload: reattaching attachments to objects/players";
3674	_global_reattach; # objects, sockets	4015	_global_reattach; # objects, sockets
3675	warn "reattaching attachments to maps";	4016	trace "perl_reload: reattaching attachments to maps";
3676	reattach $_ for values %MAP;	4017	reattach $_ for values %MAP;
3677	warn "reattaching attachments to players";	4018	trace "perl_reload: reattaching attachments to players";
3678	reattach $_ for values %PLAYER;	4019	reattach $_ for values %PLAYER;
		4020	}
3679		4021
3680	warn "leaving sync_job";	4022	cf::_post_init 1;
		4023
		4024	trace "perl_reload: leaving sync_job";
3681		4025
3682	1	4026	1
3683	} or do {	4027	} or do {
3684	warn $@;	4028	error $@;
3685	cf::cleanup "error while reloading, exiting.";	4029	cf::cleanup "perl_reload: error, exiting.";
3686	};	4030	};
3687		4031
3688	warn "reloaded";
3689	--$RELOAD;	4032	--$RELOAD;
3690	}	4033	}
		4034
		4035	$t1 = AE::time - $t1;
		4036	info "perl_reload: completed in ${t1}s\n";
3691	};	4037	};
3692		4038
3693	our $RELOAD_WATCHER; # used only during reload	4039	our $RELOAD_WATCHER; # used only during reload
3694		4040
3695	sub reload_perl() {	4041	sub reload_perl() {
3696	# doing reload synchronously and two reloads happen back-to-back,	4042	# doing reload synchronously and two reloads happen back-to-back,
3697	# coro crashes during coro_state_free->destroy here.	4043	# coro crashes during coro_state_free->destroy here.
3698		4044
		4045	$RELOAD_WATCHER ||= cf::async {
		4046	Coro::AIO::aio_wait cache_extensions;
		4047
3699	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	4048	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3700	do_reload_perl;	4049	do_reload_perl;
3701	undef $RELOAD_WATCHER;	4050	undef $RELOAD_WATCHER;
		4051	};
3702	};	4052	};
3703	}	4053	}
3704		4054
3705	register_command "reload" => sub {	4055	register_command "reload" => sub {
3706	my ($who, $arg) = @_;	4056	my ($who, $arg) = @_;
…		…
3712	reload_perl;	4062	reload_perl;
3713	};	4063	};
3714	}	4064	}
3715	};	4065	};
3716		4066
3717	unshift @INC, $LIBDIR;	4067	#############################################################################
3718		4068
3719	my $bug_warning = 0;	4069	my $bug_warning = 0;
3720		4070
3721	our @WAIT_FOR_TICK;	4071	our @WAIT_FOR_TICK;
3722	our @WAIT_FOR_TICK_BEGIN;	4072	our @WAIT_FOR_TICK_BEGIN;
3723		4073
3724	sub wait_for_tick {	4074	sub wait_for_tick() {
3725	return if tick_inhibit || $Coro::current == $Coro::main;	4075	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3726		4076
3727	my $signal = new Coro::Signal;	4077	my $signal = new Coro::Signal;
3728	push @WAIT_FOR_TICK, $signal;	4078	push @WAIT_FOR_TICK, $signal;
3729	$signal->wait;	4079	$signal->wait;
3730	}	4080	}
3731		4081
3732	sub wait_for_tick_begin {	4082	sub wait_for_tick_begin() {
3733	return if tick_inhibit || $Coro::current == $Coro::main;	4083	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3734		4084
3735	my $signal = new Coro::Signal;	4085	my $signal = new Coro::Signal;
3736	push @WAIT_FOR_TICK_BEGIN, $signal;	4086	push @WAIT_FOR_TICK_BEGIN, $signal;
3737	$signal->wait;	4087	$signal->wait;
3738	}	4088	}
…		…
3744	return;	4094	return;
3745	}	4095	}
3746		4096
3747	cf::server_tick; # one server iteration	4097	cf::server_tick; # one server iteration
3748		4098
		4099	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4100
3749	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4101	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3750	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	4102	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3751	Coro::async_pool {	4103	Coro::async_pool {
3752	$Coro::current->{desc} = "runtime saver";	4104	$Coro::current->{desc} = "runtime saver";
3753	write_runtime_sync	4105	write_runtime_sync
3754	or warn "ERROR: unable to write runtime file: $!";	4106	or error "ERROR: unable to write runtime file: $!";
3755	};	4107	};
3756	}	4108	}
3757		4109
3758	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4110	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3759	$sig->send;	4111	$sig->send;
…		…
3767		4119
3768	if (0) {	4120	if (0) {
3769	if ($NEXT_TICK) {	4121	if ($NEXT_TICK) {
3770	my $jitter = $TICK_START - $NEXT_TICK;	4122	my $jitter = $TICK_START - $NEXT_TICK;
3771	$JITTER = $JITTER * 0.75 + $jitter * 0.25;	4123	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
3772	warn "jitter $JITTER\n";#d#	4124	debug "jitter $JITTER\n";#d#
3773	}	4125	}
3774	}	4126	}
3775	}	4127	}
3776		4128
3777	{	4129	{
3778	# configure BDB	4130	# configure BDB
3779		4131
3780	BDB::min_parallel 8;	4132	BDB::min_parallel 16;
3781	BDB::max_poll_reqs $TICK * 0.1;	4133	BDB::max_poll_reqs $TICK * 0.1;
3782	$AnyEvent::BDB::WATCHER->priority (1);	4134	$AnyEvent::BDB::WATCHER->priority (1);
3783		4135
3784	unless ($DB_ENV) {	4136	unless ($DB_ENV) {
3785	$DB_ENV = BDB::db_env_create;	4137	$DB_ENV = BDB::db_env_create;
…		…
3822	IO::AIO::min_parallel 8;	4174	IO::AIO::min_parallel 8;
3823	IO::AIO::max_poll_time $TICK * 0.1;	4175	IO::AIO::max_poll_time $TICK * 0.1;
3824	undef $AnyEvent::AIO::WATCHER;	4176	undef $AnyEvent::AIO::WATCHER;
3825	}	4177	}
3826		4178
3827	my $_log_backtrace;	4179	our $_log_backtrace;
		4180	our $_log_backtrace_last;
3828		4181
3829	sub _log_backtrace {	4182	sub _log_backtrace {
3830	my ($msg, @addr) = @_;	4183	my ($msg, @addr) = @_;
3831		4184
3832	$msg =~ s/\n//;	4185	$msg =~ s/\n$//;
3833		4186
		4187	if ($_log_backtrace_last eq $msg) {
		4188	LOG llevInfo, "[ABT] $msg\n";
		4189	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3834	# limit the # of concurrent backtraces	4190	# limit the # of concurrent backtraces
3835	if ($_log_backtrace < 2) {	4191	} elsif ($_log_backtrace < 2) {
		4192	$_log_backtrace_last = $msg;
3836	++$_log_backtrace;	4193	++$_log_backtrace;
		4194	my $perl_bt = Carp::longmess $msg;
3837	async {	4195	async {
3838	$Coro::current->{desc} = "abt $msg";	4196	$Coro::current->{desc} = "abt $msg";
3839		4197
3840	my @bt = fork_call {	4198	my @bt = fork_call {
3841	@addr = map { sprintf "%x", $_ } @addr;	4199	@addr = map { sprintf "%x", $_ } @addr;
…		…
3852	}	4210	}
3853		4211
3854	@funcs	4212	@funcs
3855	};	4213	};
3856		4214
3857	LOG llevInfo, "[ABT] $msg\n";	4215	LOG llevInfo, "[ABT] $perl_bt\n";
		4216	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3858	LOG llevInfo, "[ABT] $_\n" for @bt;	4217	LOG llevInfo, "[ABT] $_\n" for @bt;
3859	--$_log_backtrace;	4218	--$_log_backtrace;
3860	};	4219	};
3861	} else {	4220	} else {
3862	LOG llevInfo, "[ABT] $msg\n";	4221	LOG llevInfo, "[ABT] $msg\n";
3863	LOG llevInfo, "[ABT] [suppressed]\n";	4222	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3864	}	4223	}
3865	}	4224	}
3866		4225
3867	# load additional modules	4226	# load additional modules
3868	use cf::pod;	4227	require "cf/$_.pm" for @EXTRA_MODULES;
		4228	cf::_connect_to_perl_2;
3869		4229
3870	END { cf::emergency_save }	4230	END { cf::emergency_save }
3871		4231
3872	1	4232	1
3873		4233

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