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Revision 1.446 by root, Tue Sep 16 16:03:02 2008 UTC vs.
Revision 1.561 by root, Fri Apr 22 06:10:33 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 $v->{meta}{mandatory};
		1559	}
		1560
		1561	last;
		1562	}
1383	}	1563	}
1384	};	1564	};
1385	}	1565	}
1386		1566
1387	#############################################################################	1567	#############################################################################
1388		1568
1389	=back	1569	=back
1390		1570
1391	=head2 CORE EXTENSIONS	1571	=head2 CORE EXTENSIONS
1392		1572
1393	Functions and methods that extend core crossfire objects.	1573	Functions and methods that extend core deliantra objects.
1394		1574
1395	=cut	1575	=cut
1396		1576
1397	package cf::player;	1577	package cf::player;
1398		1578
…		…
1441		1621
1442	sub exists($) {	1622	sub exists($) {
1443	my ($login) = @_;	1623	my ($login) = @_;
1444		1624
1445	$cf::PLAYER{$login}	1625	$cf::PLAYER{$login}
1446	or cf::sync_job { !aio_stat path $login }	1626	or !aio_stat path $login
1447	}	1627	}
1448		1628
1449	sub find($) {	1629	sub find($) {
1450	return $cf::PLAYER{$_[0]} || do {	1630	return $cf::PLAYER{$_[0]} || do {
1451	my $login = $_[0];	1631	my $login = $_[0];
…		…
1471	$cf::PLAYER{$login} = $pl	1651	$cf::PLAYER{$login} = $pl
1472	}	1652	}
1473	}	1653	}
1474	}	1654	}
1475		1655
		1656	cf::player->attach (
		1657	on_load => sub {
		1658	my ($pl, $path) = @_;
		1659
		1660	# restore slots saved in save, below
		1661	my $slots = delete $pl->{_slots};
		1662
		1663	$pl->ob->current_weapon ($slots->[0]);
		1664	$pl->combat_ob ($slots->[1]);
		1665	$pl->ranged_ob ($slots->[2]);
		1666	},
		1667	);
		1668
1476	sub save($) {	1669	sub save($) {
1477	my ($pl) = @_;	1670	my ($pl) = @_;
1478		1671
1479	return if $pl->{deny_save};	1672	return if $pl->{deny_save};
1480		1673
…		…
1485		1678
1486	aio_mkdir playerdir $pl, 0770;	1679	aio_mkdir playerdir $pl, 0770;
1487	$pl->{last_save} = $cf::RUNTIME;	1680	$pl->{last_save} = $cf::RUNTIME;
1488		1681
1489	cf::get_slot 0.01;	1682	cf::get_slot 0.01;
		1683
		1684	# save slots, to be restored later
		1685	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1490		1686
1491	$pl->save_pl ($path);	1687	$pl->save_pl ($path);
1492	cf::cede_to_tick;	1688	cf::cede_to_tick;
1493	}	1689	}
1494		1690
…		…
1528	my $name = $pl->ob->name;	1724	my $name = $pl->ob->name;
1529		1725
1530	$pl->{deny_save} = 1;	1726	$pl->{deny_save} = 1;
1531	$pl->password ("*"); # this should lock out the player until we have nuked the dir	1727	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1532		1728
1533	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1729	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1534	$pl->deactivate;	1730	$pl->deactivate;
		1731
1535	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;	1732	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1536	$pl->ob->check_score;
1537	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1733	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1734	ext::highscore::check ($pl->ob);
		1735
1538	$pl->ns->destroy if $pl->ns;	1736	$pl->ns->destroy if $pl->ns;
1539		1737
1540	my $path = playerdir $pl;	1738	my $path = playerdir $pl;
1541	my $temp = "$path~$cf::RUNTIME~deleting~";	1739	my $temp = "$path~$cf::RUNTIME~deleting~";
1542	aio_rename $path, $temp;	1740	aio_rename $path, $temp;
…		…
1596	\@logins	1794	\@logins
1597	}	1795	}
1598		1796
1599	=item $player->maps	1797	=item $player->maps
1600		1798
		1799	=item cf::player::maps $login
		1800
1601	Returns an arrayref of map paths that are private for this	1801	Returns an arrayref of map paths that are private for this
1602	player. May block.	1802	player. May block.
1603		1803
1604	=cut	1804	=cut
1605		1805
…		…
1622	}	1822	}
1623		1823
1624	\@paths	1824	\@paths
1625	}	1825	}
1626		1826
1627	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1827	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1628		1828
1629	Expand crossfire pod fragments into protocol xml.	1829	Expand deliantra pod fragments into protocol xml.
1630		1830
1631	=item $player->ext_reply ($msgid, @msg)	1831	=item $player->ext_reply ($msgid, @msg)
1632		1832
1633	Sends an ext reply to the player.	1833	Sends an ext reply to the player.
1634		1834
…		…
1666		1866
1667	=cut	1867	=cut
1668		1868
1669	sub find_by_path($) {	1869	sub find_by_path($) {
1670	my ($path) = @_;	1870	my ($path) = @_;
		1871
		1872	$path =~ s/^~[^\/]*//; # skip ~login
1671		1873
1672	my ($match, $specificity);	1874	my ($match, $specificity);
1673		1875
1674	for my $region (list) {	1876	for my $region (list) {
1675	if ($region->{match} && $path =~ $region->{match}) {	1877	if ($region->{match} && $path =~ $region->{match}) {
…		…
1704	sub generate_random_map {	1906	sub generate_random_map {
1705	my ($self, $rmp) = @_;	1907	my ($self, $rmp) = @_;
1706		1908
1707	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM	1909	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1708		1910
1709	# mit "rum" bekleckern, nicht
1710	$self->_create_random_map (	1911	$self->_create_random_map ($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}), $rmp->{custom}
1722	)
1723	}	1912	}
1724		1913
1725	=item cf::map->register ($regex, $prio)	1914	=item cf::map->register ($regex, $prio)
1726		1915
1727	Register a handler for the map path matching the given regex at the	1916	Register a handler for the map path matching the given regex at the
…		…
1732		1921
1733	sub register {	1922	sub register {
1734	my (undef, $regex, $prio) = @_;	1923	my (undef, $regex, $prio) = @_;
1735	my $pkg = caller;	1924	my $pkg = caller;
1736		1925
1737	no strict;
1738	push @{"$pkg\::ISA"}, __PACKAGE__;	1926	push @{"$pkg\::ISA"}, __PACKAGE__;
1739		1927
1740	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1928	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1741	}	1929	}
1742		1930
1743	# also paths starting with '/'	1931	# also paths starting with '/'
1744	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1932	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1745		1933
1746	sub thawer_merge {	1934	sub thawer_merge {
1747	my ($self, $merge) = @_;	1935	my ($self, $merge) = @_;
1748		1936
1749	# we have to keep some variables in memory intact	1937	# we have to keep some variables in memory intact
…		…
1754	}	1942	}
1755		1943
1756	sub normalise {	1944	sub normalise {
1757	my ($path, $base) = @_;	1945	my ($path, $base) = @_;
1758		1946
1759	$path = "$path"; # make sure its a string	1947	$path = "$path"; # make sure it's a string
1760		1948
1761	$path =~ s/\.map$//;	1949	$path =~ s/\.map$//;
1762		1950
1763	# map plan:	1951	# map plan:
1764	#	1952	#
…		…
1779	$base =~ s{[^/]+/?$}{};	1967	$base =~ s{[^/]+/?$}{};
1780	$path = "$base/$path";	1968	$path = "$base/$path";
1781	}	1969	}
1782		1970
1783	for ($path) {	1971	for ($path) {
1784	redo if s{//}{/};
1785	redo if s{/\.?/}{/};	1972	redo if s{/\.?/}{/};
1786	redo if s{/[^/]+/\.\./}{/};	1973	redo if s{/[^/]+/\.\./}{/};
1787	}	1974	}
1788		1975
1789	$path	1976	$path
…		…
1803	$self->init; # pass $1 etc.	1990	$self->init; # pass $1 etc.
1804	return $self;	1991	return $self;
1805	}	1992	}
1806	}	1993	}
1807		1994
1808	Carp::cluck "unable to resolve path '$path' (base '$base').";	1995	Carp::cluck "unable to resolve path '$path' (base '$base')";
1809	()	1996	()
1810	}	1997	}
1811		1998
		1999	# may re-bless or do other evil things
1812	sub init {	2000	sub init {
1813	my ($self) = @_;	2001	my ($self) = @_;
1814		2002
1815	$self	2003	$self
1816	}	2004	}
…		…
1845	sub uniq_path {	2033	sub uniq_path {
1846	my ($self) = @_;	2034	my ($self) = @_;
1847		2035
1848	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;	2036	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1849	"$UNIQUEDIR/$path"	2037	"$UNIQUEDIR/$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 $_->outdoor, values %cf::MAP;
1859	}	2038	}
1860		2039
1861	sub decay_objects {	2040	sub decay_objects {
1862	my ($self) = @_;	2041	my ($self) = @_;
1863		2042
…		…
1945		2124
1946	sub find;	2125	sub find;
1947	sub find {	2126	sub find {
1948	my ($path, $origin) = @_;	2127	my ($path, $origin) = @_;
1949		2128
		2129	cf::cede_to_tick;
		2130
1950	$path = normalise $path, $origin && $origin->path;	2131	$path = normalise $path, $origin && $origin->path;
1951		2132
1952	cf::lock_wait "map_data:$path";#d#remove	2133	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1953	cf::lock_wait "map_find:$path";	2134	my $guard2 = cf::lock_acquire "map_find:$path";
1954		2135
1955	$cf::MAP{$path} || do {	2136	$cf::MAP{$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	2137	my $map = new_from_path cf::map $path
1960	or return;	2138	or return;
1961		2139
1962	$map->{last_save} = $cf::RUNTIME;	2140	$map->{last_save} = $cf::RUNTIME;
1963		2141
…		…
1975		2153
1976	$cf::MAP{$path} = $map	2154	$cf::MAP{$path} = $map
1977	}	2155	}
1978	}	2156	}
1979		2157
1980	sub pre_load { }	2158	sub pre_load { }
1981	sub post_load { }	2159	#sub post_load { } # XS
1982		2160
1983	sub load {	2161	sub load {
1984	my ($self) = @_;	2162	my ($self) = @_;
1985		2163
1986	local $self->{deny_reset} = 1; # loading can take a long time	2164	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2031	unless ($self->{deny_activate}) {	2209	unless ($self->{deny_activate}) {
2032	$self->decay_objects;	2210	$self->decay_objects;
2033	$self->fix_auto_apply;	2211	$self->fix_auto_apply;
2034	$self->update_buttons;	2212	$self->update_buttons;
2035	cf::cede_to_tick;	2213	cf::cede_to_tick;
2036	$self->set_darkness_map;
2037	cf::cede_to_tick;
2038	$self->activate;	2214	$self->activate;
2039	}	2215	}
2040		2216
2041	$self->{last_save} = $cf::RUNTIME;	2217	$self->{last_save} = $cf::RUNTIME;
2042	$self->last_access ($cf::RUNTIME);	2218	$self->last_access ($cf::RUNTIME);
2043		2219
2044	$self->in_memory (cf::MAP_ACTIVE);	2220	$self->in_memory (cf::MAP_ACTIVE);
2045	}	2221	}
2046		2222
2047	$self->post_load;	2223	$self->post_load;
2048	}
2049		2224
		2225	1
		2226	}
		2227
		2228	# customize the map for a given player, i.e.
		2229	# return the _real_ map. used by e.g. per-player
		2230	# maps to change the path to ~playername/mappath
2050	sub customise_for {	2231	sub customise_for {
2051	my ($self, $ob) = @_;	2232	my ($self, $ob) = @_;
2052		2233
2053	return find "~" . $ob->name . "/" . $self->{path}	2234	return find "~" . $ob->name . "/" . $self->{path}
2054	if $self->per_player;	2235	if $self->per_player;
…		…
2070	or next;	2251	or next;
2071	$neigh = find $neigh, $map	2252	$neigh = find $neigh, $map
2072	or next;	2253	or next;
2073	$neigh->load;	2254	$neigh->load;
2074		2255
		2256	# now find the diagonal neighbours
2075	push @neigh,	2257	push @neigh,
2076	[$neigh->tile_path (($_ + 3) % 4), $neigh],	2258	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2077	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2259	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2078	}	2260	}
2079		2261
…		…
2086	}	2268	}
2087		2269
2088	sub find_sync {	2270	sub find_sync {
2089	my ($path, $origin) = @_;	2271	my ($path, $origin) = @_;
2090		2272
2091	cf::sync_job { find $path, $origin }	2273	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2274	if $Coro::current == $Coro::main;
		2275
		2276	find $path, $origin
2092	}	2277	}
2093		2278
2094	sub do_load_sync {	2279	sub do_load_sync {
2095	my ($map) = @_;	2280	my ($map) = @_;
2096		2281
2097	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2282	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2098	if $Coro::current == $Coro::main;	2283	if $Coro::current == $Coro::main;
2099		2284
2100	cf::sync_job { $map->load };	2285	$map->load;
2101	}	2286	}
2102		2287
2103	our %MAP_PREFETCH;	2288	our %MAP_PREFETCH;
2104	our $MAP_PREFETCHER = undef;	2289	our $MAP_PREFETCHER = undef;
2105		2290
…		…
2131	$MAP_PREFETCHER->prio (6);	2316	$MAP_PREFETCHER->prio (6);
2132		2317
2133	()	2318	()
2134	}	2319	}
2135		2320
		2321	# common code, used by both ->save and ->swapout
2136	sub save {	2322	sub _save {
2137	my ($self) = @_;	2323	my ($self) = @_;
2138
2139	my $lock = cf::lock_acquire "map_data:$self->{path}";
2140		2324
2141	$self->{last_save} = $cf::RUNTIME;	2325	$self->{last_save} = $cf::RUNTIME;
2142		2326
2143	return unless $self->dirty;	2327	return unless $self->dirty;
2144		2328
…		…
2164	} else {	2348	} else {
2165	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2349	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2166	}	2350	}
2167	}	2351	}
2168		2352
		2353	sub save {
		2354	my ($self) = @_;
		2355
		2356	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2357
		2358	$self->_save;
		2359	}
		2360
2169	sub swap_out {	2361	sub swap_out {
2170	my ($self) = @_;	2362	my ($self) = @_;
2171		2363
2172	# save first because save cedes
2173	$self->save;
2174
2175	my $lock = cf::lock_acquire "map_data:$self->{path}";	2364	my $lock = cf::lock_acquire "map_data:$self->{path}";
2176		2365
2177	return if $self->players;
2178	return if $self->in_memory != cf::MAP_ACTIVE;	2366	return if $self->in_memory != cf::MAP_ACTIVE;
2179	return if $self->{deny_save};	2367	return if $self->{deny_save};
		2368	return if $self->players;
2180		2369
		2370	# first deactivate the map and "unlink" it from the core
		2371	$self->deactivate;
		2372	$_->clear_links_to ($self) for values %cf::MAP;
2181	$self->in_memory (cf::MAP_SWAPPED);	2373	$self->in_memory (cf::MAP_SWAPPED);
		2374
		2375	# then atomically save
		2376	$self->_save;
		2377
		2378	# then free the map
		2379	$self->clear;
		2380	}
		2381
		2382	sub reset_at {
		2383	my ($self) = @_;
		2384
		2385	# TODO: safety, remove and allow resettable per-player maps
		2386	return 1e99 if $self->{deny_reset};
		2387
		2388	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2389	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2390
		2391	$time + $to
		2392	}
		2393
		2394	sub should_reset {
		2395	my ($self) = @_;
		2396
		2397	$self->reset_at <= $cf::RUNTIME
		2398	}
		2399
		2400	sub reset {
		2401	my ($self) = @_;
		2402
		2403	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2404
		2405	return if $self->players;
		2406
		2407	cf::trace "resetting map ", $self->path, "\n";
		2408
		2409	$self->in_memory (cf::MAP_SWAPPED);
		2410
		2411	# need to save uniques path
		2412	unless ($self->{deny_save}) {
		2413	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2414
		2415	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2416	if $uniq;
		2417	}
		2418
		2419	delete $cf::MAP{$self->path};
2182		2420
2183	$self->deactivate;	2421	$self->deactivate;
2184	$_->clear_links_to ($self) for values %cf::MAP;	2422	$_->clear_links_to ($self) for values %cf::MAP;
2185	$self->clear;	2423	$self->clear;
2186	}
2187
2188	sub reset_at {
2189	my ($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		2424
2231	$self->unlink_save;	2425	$self->unlink_save;
2232	$self->destroy;	2426	$self->destroy;
2233	}	2427	}
2234		2428
…		…
2242		2436
2243	delete $cf::MAP{$self->path};	2437	delete $cf::MAP{$self->path};
2244		2438
2245	$self->unlink_save;	2439	$self->unlink_save;
2246		2440
2247	bless $self, "cf::map";	2441	bless $self, "cf::map::wrap";
2248	delete $self->{deny_reset};	2442	delete $self->{deny_reset};
2249	$self->{deny_save} = 1;	2443	$self->{deny_save} = 1;
2250	$self->reset_timeout (1);	2444	$self->reset_timeout (1);
2251	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2445	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2252		2446
…		…
2309	: normalise $_	2503	: normalise $_
2310	} @{ aio_readdir $UNIQUEDIR or [] }	2504	} @{ aio_readdir $UNIQUEDIR or [] }
2311	]	2505	]
2312	}	2506	}
2313		2507
		2508	=item cf::map::static_maps
		2509
		2510	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2511	file in the shared directory excluding F</styles> and F</editor>). May
		2512	block.
		2513
		2514	=cut
		2515
		2516	sub static_maps() {
		2517	my @dirs = "";
		2518	my @maps;
		2519
		2520	while (@dirs) {
		2521	my $dir = shift @dirs;
		2522
		2523	next if $dir eq "/styles" || $dir eq "/editor";
		2524
		2525	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2526	or return;
		2527
		2528	for (@$files) {
		2529	s/\.map$// or next;
		2530	utf8::decode $_;
		2531	push @maps, "$dir/$_";
		2532	}
		2533
		2534	push @dirs, map "$dir/$_", @$dirs;
		2535	}
		2536
		2537	\@maps
		2538	}
		2539
2314	=back	2540	=back
2315		2541
2316	=head3 cf::object	2542	=head3 cf::object
2317		2543
2318	=cut	2544	=cut
…		…
2383		2609
2384	our $SAY_CHANNEL = {	2610	our $SAY_CHANNEL = {
2385	id => "say",	2611	id => "say",
2386	title => "Map",	2612	title => "Map",
2387	reply => "say ",	2613	reply => "say ",
2388	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",	2614	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2389	};	2615	};
2390		2616
2391	our $CHAT_CHANNEL = {	2617	our $CHAT_CHANNEL = {
2392	id => "chat",	2618	id => "chat",
2393	title => "Chat",	2619	title => "Chat",
…		…
2450		2676
2451	Freezes the player and moves him/her to a special map (C<{link}>).	2677	Freezes the player and moves him/her to a special map (C<{link}>).
2452		2678
2453	The player should be reasonably safe there for short amounts of time (e.g.	2679	The player should be reasonably safe there for short amounts of time (e.g.
2454	for loading a map). You I<MUST> call C<leave_link> as soon as possible,	2680	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2455	though, as the palyer cannot control the character while it is on the link	2681	though, as the player cannot control the character while it is on the link
2456	map.	2682	map.
2457		2683
2458	Will never block.	2684	Will never block.
2459		2685
2460	=item $player_object->leave_link ($map, $x, $y)	2686	=item $player_object->leave_link ($map, $x, $y)
…		…
2481	sub cf::object::player::enter_link {	2707	sub cf::object::player::enter_link {
2482	my ($self) = @_;	2708	my ($self) = @_;
2483		2709
2484	$self->deactivate_recursive;	2710	$self->deactivate_recursive;
2485		2711
		2712	++$self->{_link_recursion};
		2713
2486	return if UNIVERSAL::isa $self->map, "ext::map_link";	2714	return if UNIVERSAL::isa $self->map, "ext::map_link";
2487		2715
2488	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2716	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2489	if $self->map && $self->map->{path} ne "{link}";	2717	if $self->map && $self->map->{path} ne "{link}";
2490		2718
2491	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2719	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2492	}	2720	}
2493		2721
2494	sub cf::object::player::leave_link {	2722	sub cf::object::player::leave_link {
2495	my ($self, $map, $x, $y) = @_;	2723	my ($self, $map, $x, $y) = @_;
2496		2724
…		…
2513	($x, $y) = (-1, -1)	2741	($x, $y) = (-1, -1)
2514	unless (defined $x) && (defined $y);	2742	unless (defined $x) && (defined $y);
2515		2743
2516	# use -1 or undef as default coordinates, not 0, 0	2744	# use -1 or undef as default coordinates, not 0, 0
2517	($x, $y) = ($map->enter_x, $map->enter_y)	2745	($x, $y) = ($map->enter_x, $map->enter_y)
2518	if $x <=0 && $y <= 0;	2746	if $x <= 0 && $y <= 0;
2519		2747
2520	$map->load;	2748	$map->load;
2521	$map->load_neighbours;	2749	$map->load_neighbours;
2522		2750
2523	return unless $self->contr->active;	2751	return unless $self->contr->active;
2524	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2525	$self->activate_recursive;
2526		2752
2527	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2753	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2528	$self->enter_map ($map, $x, $y);	2754	if ($self->enter_map ($map, $x, $y)) {
2529	}	2755	# entering was successful
		2756	delete $self->{_link_recursion};
		2757	# only activate afterwards, to support waiting in hooks
		2758	$self->activate_recursive;
		2759	}
2530		2760
		2761	}
		2762
2531	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2763	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2532		2764
2533	Moves the player to the given map-path and coordinates by first freezing	2765	Moves the player to the given map-path and coordinates by first freezing
2534	her, loading and preparing them map, calling the provided $check callback	2766	her, loading and preparing them map, calling the provided $check callback
2535	that has to return the map if sucecssful, and then unfreezes the player on	2767	that has to return the map if sucecssful, and then unfreezes the player on
2536	the new (success) or old (failed) map position. In either case, $done will	2768	the new (success) or old (failed) map position. In either case, $done will
…		…
2543		2775
2544	our $GOTOGEN;	2776	our $GOTOGEN;
2545		2777
2546	sub cf::object::player::goto {	2778	sub cf::object::player::goto {
2547	my ($self, $path, $x, $y, $check, $done) = @_;	2779	my ($self, $path, $x, $y, $check, $done) = @_;
		2780
		2781	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2782	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2783	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2784	($path, $x, $y) = @$EMERGENCY_POSITION;
		2785	}
2548		2786
2549	# do generation counting so two concurrent goto's will be executed in-order	2787	# do generation counting so two concurrent goto's will be executed in-order
2550	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2788	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2551		2789
2552	$self->enter_link;	2790	$self->enter_link;
…		…
2576	my $map = eval {	2814	my $map = eval {
2577	my $map = defined $path ? cf::map::find $path : undef;	2815	my $map = defined $path ? cf::map::find $path : undef;
2578		2816
2579	if ($map) {	2817	if ($map) {
2580	$map = $map->customise_for ($self);	2818	$map = $map->customise_for ($self);
2581	$map = $check->($map) if $check && $map;	2819	$map = $check->($map, $x, $y, $self) if $check && $map;
2582	} else {	2820	} else {
2583	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2821	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2584	}	2822	}
2585		2823
2586	$map	2824	$map
…		…
2594	if ($gen == $self->{_goto_generation}) {	2832	if ($gen == $self->{_goto_generation}) {
2595	delete $self->{_goto_generation};	2833	delete $self->{_goto_generation};
2596	$self->leave_link ($map, $x, $y);	2834	$self->leave_link ($map, $x, $y);
2597	}	2835	}
2598		2836
2599	$done->() if $done;	2837	$done->($self) if $done;
2600	})->prio (1);	2838	})->prio (1);
2601	}	2839	}
2602		2840
2603	=item $player_object->enter_exit ($exit_object)	2841	=item $player_object->enter_exit ($exit_object)
2604		2842
…		…
2692	$self->contr->savebed ($map, $x, $y)	2930	$self->contr->savebed ($map, $x, $y)
2693	if $exit->flag (cf::FLAG_DAMNED);	2931	if $exit->flag (cf::FLAG_DAMNED);
2694		2932
2695	1	2933	1
2696	}) {	2934	}) {
2697	$self->message ("Something went wrong deep within the crossfire server. "	2935	$self->message ("Something went wrong deep within the deliantra server. "
2698	. "I'll try to bring you back to the map you were before. "	2936	. "I'll try to bring you back to the map you were before. "
2699	. "Please report this to the dungeon master!",	2937	. "Please report this to the dungeon master!",
2700	cf::NDI_UNIQUE | cf::NDI_RED);	2938	cf::NDI_UNIQUE | cf::NDI_RED);
2701		2939
2702	warn "ERROR in enter_exit: $@";	2940	error "ERROR in enter_exit: $@";
2703	$self->leave_link;	2941	$self->leave_link;
2704	}	2942	}
2705	})->prio (1);	2943	})->prio (1);
2706	}	2944	}
2707		2945
…		…
2719	sub cf::client::send_drawinfo {	2957	sub cf::client::send_drawinfo {
2720	my ($self, $text, $flags) = @_;	2958	my ($self, $text, $flags) = @_;
2721		2959
2722	utf8::encode $text;	2960	utf8::encode $text;
2723	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2961	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2962	}
		2963
		2964	=item $client->send_big_packet ($pkt)
		2965
		2966	Like C<send_packet>, but tries to compress large packets, and fragments
		2967	them as required.
		2968
		2969	=cut
		2970
		2971	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2972
		2973	sub cf::client::send_big_packet {
		2974	my ($self, $pkt) = @_;
		2975
		2976	# try lzf for large packets
		2977	$pkt = "lzf " . Compress::LZF::compress $pkt
		2978	if 1024 <= length $pkt and $self->{can_lzf};
		2979
		2980	# split very large packets
		2981	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2982	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2983	$pkt = "frag";
		2984	}
		2985
		2986	$self->send_packet ($pkt);
2724	}	2987	}
2725		2988
2726	=item $client->send_msg ($channel, $msg, $color, [extra...])	2989	=item $client->send_msg ($channel, $msg, $color, [extra...])
2727		2990
2728	Send a drawinfo or msg packet to the client, formatting the msg for the	2991	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2732		2995
2733	=cut	2996	=cut
2734		2997
2735	# non-persistent channels (usually the info channel)	2998	# non-persistent channels (usually the info channel)
2736	our %CHANNEL = (	2999	our %CHANNEL = (
		3000	"c/motd" => {
		3001	id => "infobox",
		3002	title => "MOTD",
		3003	reply => undef,
		3004	tooltip => "The message of the day",
		3005	},
2737	"c/identify" => {	3006	"c/identify" => {
2738	id => "infobox",	3007	id => "infobox",
2739	title => "Identify",	3008	title => "Identify",
2740	reply => undef,	3009	reply => undef,
2741	tooltip => "Items recently identified",	3010	tooltip => "Items recently identified",
…		…
2743	"c/examine" => {	3012	"c/examine" => {
2744	id => "infobox",	3013	id => "infobox",
2745	title => "Examine",	3014	title => "Examine",
2746	reply => undef,	3015	reply => undef,
2747	tooltip => "Signs and other items you examined",	3016	tooltip => "Signs and other items you examined",
		3017	},
		3018	"c/shopinfo" => {
		3019	id => "infobox",
		3020	title => "Shop Info",
		3021	reply => undef,
		3022	tooltip => "What your bargaining skill tells you about the shop",
2748	},	3023	},
2749	"c/book" => {	3024	"c/book" => {
2750	id => "infobox",	3025	id => "infobox",
2751	title => "Book",	3026	title => "Book",
2752	reply => undef,	3027	reply => undef,
…		…
2768	id => "infobox",	3043	id => "infobox",
2769	title => "Body Parts",	3044	title => "Body Parts",
2770	reply => undef,	3045	reply => undef,
2771	tooltip => "Shows which body parts you posess and are available",	3046	tooltip => "Shows which body parts you posess and are available",
2772	},	3047	},
		3048	"c/statistics" => {
		3049	id => "infobox",
		3050	title => "Statistics",
		3051	reply => undef,
		3052	tooltip => "Shows your primary statistics",
		3053	},
		3054	"c/skills" => {
		3055	id => "infobox",
		3056	title => "Skills",
		3057	reply => undef,
		3058	tooltip => "Shows your experience per skill and item power",
		3059	},
		3060	"c/shopitems" => {
		3061	id => "infobox",
		3062	title => "Shop Items",
		3063	reply => undef,
		3064	tooltip => "Shows the items currently for sale in this shop",
		3065	},
		3066	"c/resistances" => {
		3067	id => "infobox",
		3068	title => "Resistances",
		3069	reply => undef,
		3070	tooltip => "Shows your resistances",
		3071	},
		3072	"c/pets" => {
		3073	id => "infobox",
		3074	title => "Pets",
		3075	reply => undef,
		3076	tooltip => "Shows information abotu your pets/a specific pet",
		3077	},
		3078	"c/perceiveself" => {
		3079	id => "infobox",
		3080	title => "Perceive Self",
		3081	reply => undef,
		3082	tooltip => "You gained detailed knowledge about yourself",
		3083	},
2773	"c/uptime" => {	3084	"c/uptime" => {
2774	id => "infobox",	3085	id => "infobox",
2775	title => "Uptime",	3086	title => "Uptime",
2776	reply => undef,	3087	reply => undef,
2777	tooltip => "How long the server has been running since last restart",	3088	tooltip => "How long the server has been running since last restart",
…		…
2786	id => "party",	3097	id => "party",
2787	title => "Party",	3098	title => "Party",
2788	reply => "gsay ",	3099	reply => "gsay ",
2789	tooltip => "Messages and chat related to your party",	3100	tooltip => "Messages and chat related to your party",
2790	},	3101	},
		3102	"c/death" => {
		3103	id => "death",
		3104	title => "Death",
		3105	reply => undef,
		3106	tooltip => "Reason for and more info about your most recent death",
		3107	},
		3108	"c/say" => $SAY_CHANNEL,
		3109	"c/chat" => $CHAT_CHANNEL,
2791	);	3110	);
2792		3111
2793	sub cf::client::send_msg {	3112	sub cf::client::send_msg {
2794	my ($self, $channel, $msg, $color, @extra) = @_;	3113	my ($self, $channel, $msg, $color, @extra) = @_;
2795		3114
2796	$msg = $self->pl->expand_cfpod ($msg);	3115	$msg = $self->pl->expand_cfpod ($msg)
		3116	unless $color & cf::NDI_VERBATIM;
2797		3117
2798	$color &= cf::NDI_CLIENT_MASK; # just in case...	3118	$color &= cf::NDI_CLIENT_MASK; # just in case...
2799		3119
2800	# check predefined channels, for the benefit of C	3120	# check predefined channels, for the benefit of C
2801	if ($CHANNEL{$channel}) {	3121	if ($CHANNEL{$channel}) {
2802	$channel = $CHANNEL{$channel};	3122	$channel = $CHANNEL{$channel};
2803		3123
2804	$self->ext_msg (channel_info => $channel)	3124	$self->ext_msg (channel_info => $channel);
2805	if $self->can_msg;
2806
2807	$channel = $channel->{id};	3125	$channel = $channel->{id};
2808		3126
2809	} elsif (ref $channel) {	3127	} elsif (ref $channel) {
2810	# send meta info to client, if not yet sent	3128	# send meta info to client, if not yet sent
2811	unless (exists $self->{channel}{$channel->{id}}) {	3129	unless (exists $self->{channel}{$channel->{id}}) {
2812	$self->{channel}{$channel->{id}} = $channel;	3130	$self->{channel}{$channel->{id}} = $channel;
2813	$self->ext_msg (channel_info => $channel)	3131	$self->ext_msg (channel_info => $channel);
2814	if $self->can_msg;
2815	}	3132	}
2816		3133
2817	$channel = $channel->{id};	3134	$channel = $channel->{id};
2818	}	3135	}
2819		3136
2820	return unless @extra || length $msg;	3137	return unless @extra || length $msg;
2821		3138
2822	if ($self->can_msg) {
2823	# default colour, mask it out	3139	# default colour, mask it out
2824	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3140	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2825	if $color & cf::NDI_DEF;	3141	if $color & cf::NDI_DEF;
2826		3142
2827	my $pkt = "msg "	3143	my $pkt = "msg "
2828	. $self->{json_coder}->encode (	3144	. $self->{json_coder}->encode (
2829	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]	3145	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2830	);	3146	);
2831		3147
2832	# try lzf for large packets
2833	$pkt = "lzf " . Compress::LZF::compress $pkt
2834	if 1024 <= length $pkt and $self->{can_lzf};
2835
2836	# split very large packets
2837	if (8192 < length $pkt and $self->{can_lzf}) {
2838	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2839	$pkt = "frag";
2840	}
2841
2842	$self->send_packet ($pkt);	3148	$self->send_big_packet ($pkt);
2843	} else {
2844	if ($color >= 0) {
2845	# replace some tags by gcfclient-compatible ones
2846	for ($msg) {
2847	1 while
2848	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2849	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2850	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2851	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2852	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2853	}
2854
2855	$color &= cf::NDI_COLOR_MASK;
2856
2857	utf8::encode $msg;
2858
2859	if (0 && $msg =~ /\[/) {
2860	# COMMAND/INFO
2861	$self->send_packet ("drawextinfo $color 10 8 $msg")
2862	} else {
2863	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2864	$self->send_packet ("drawinfo $color $msg")
2865	}
2866	}
2867	}
2868	}	3149	}
2869		3150
2870	=item $client->ext_msg ($type, @msg)	3151	=item $client->ext_msg ($type, @msg)
2871		3152
2872	Sends an ext event to the client.	3153	Sends an ext event to the client.
…		…
2875		3156
2876	sub cf::client::ext_msg($$@) {	3157	sub cf::client::ext_msg($$@) {
2877	my ($self, $type, @msg) = @_;	3158	my ($self, $type, @msg) = @_;
2878		3159
2879	if ($self->extcmd == 2) {	3160	if ($self->extcmd == 2) {
2880	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3161	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2881	} elsif ($self->extcmd == 1) { # TODO: remove	3162	} elsif ($self->extcmd == 1) { # TODO: remove
2882	push @msg, msgtype => "event_$type";	3163	push @msg, msgtype => "event_$type";
2883	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3164	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2884	}	3165	}
2885	}	3166	}
2886		3167
2887	=item $client->ext_reply ($msgid, @msg)	3168	=item $client->ext_reply ($msgid, @msg)
2888		3169
…		…
2892		3173
2893	sub cf::client::ext_reply($$@) {	3174	sub cf::client::ext_reply($$@) {
2894	my ($self, $id, @msg) = @_;	3175	my ($self, $id, @msg) = @_;
2895		3176
2896	if ($self->extcmd == 2) {	3177	if ($self->extcmd == 2) {
2897	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3178	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2898	} elsif ($self->extcmd == 1) {	3179	} elsif ($self->extcmd == 1) {
2899	#TODO: version 1, remove	3180	#TODO: version 1, remove
2900	unshift @msg, msgtype => "reply", msgid => $id;	3181	unshift @msg, msgtype => "reply", msgid => $id;
2901	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3182	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2902	}	3183	}
2903	}	3184	}
2904		3185
2905	=item $success = $client->query ($flags, "text", \&cb)	3186	=item $success = $client->query ($flags, "text", \&cb)
2906		3187
…		…
2977		3258
2978	$ns->ext_reply ($reply, @reply)	3259	$ns->ext_reply ($reply, @reply)
2979	if $reply;	3260	if $reply;
2980		3261
2981	} else {	3262	} else {
2982	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3263	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2983	}	3264	}
2984		3265
2985	cf::override;	3266	cf::override;
2986	},	3267	},
2987	);	3268	);
…		…
3007		3288
3008	$coro	3289	$coro
3009	}	3290	}
3010		3291
3011	cf::client->attach (	3292	cf::client->attach (
3012	on_destroy => sub {	3293	on_client_destroy => sub {
3013	my ($ns) = @_;	3294	my ($ns) = @_;
3014		3295
3015	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3296	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
3016	},	3297	},
3017	);	3298	);
…		…
3033	our $safe_hole = new Safe::Hole;	3314	our $safe_hole = new Safe::Hole;
3034		3315
3035	$SIG{FPE} = 'IGNORE';	3316	$SIG{FPE} = 'IGNORE';
3036		3317
3037	$safe->permit_only (Opcode::opset qw(	3318	$safe->permit_only (Opcode::opset qw(
3038	:base_core :base_mem :base_orig :base_math	3319	:base_core :base_mem :base_orig :base_math :base_loop
3039	grepstart grepwhile mapstart mapwhile	3320	grepstart grepwhile mapstart mapwhile
3040	sort time	3321	sort time
3041	));	3322	));
3042		3323
3043	# here we export the classes and methods available to script code	3324	# here we export the classes and methods available to script code
…		…
3047	The following functions and methods are available within a safe environment:	3328	The following functions and methods are available within a safe environment:
3048		3329
3049	cf::object	3330	cf::object
3050	contr pay_amount pay_player map x y force_find force_add destroy	3331	contr pay_amount pay_player map x y force_find force_add destroy
3051	insert remove name archname title slaying race decrease split	3332	insert remove name archname title slaying race decrease split
		3333	value
3052		3334
3053	cf::object::player	3335	cf::object::player
3054	player	3336	player
3055		3337
3056	cf::player	3338	cf::player
…		…
3062	=cut	3344	=cut
3063		3345
3064	for (	3346	for (
3065	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3347	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3066	insert remove inv nrof name archname title slaying race	3348	insert remove inv nrof name archname title slaying race
3067	decrease split destroy change_exp)],	3349	decrease split destroy change_exp value msg lore send_msg)],
3068	["cf::object::player" => qw(player)],	3350	["cf::object::player" => qw(player)],
3069	["cf::player" => qw(peaceful)],	3351	["cf::player" => qw(peaceful send_msg)],
3070	["cf::map" => qw(trigger)],	3352	["cf::map" => qw(trigger)],
3071	) {	3353	) {
3072	no strict 'refs';
3073	my ($pkg, @funs) = @$_;	3354	my ($pkg, @funs) = @$_;
3074	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3355	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3075	for @funs;	3356	for @funs;
3076	}	3357	}
3077		3358
…		…
3092		3373
3093	my $qcode = $code;	3374	my $qcode = $code;
3094	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3375	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3095	$qcode =~ s/\n/\\n/g;	3376	$qcode =~ s/\n/\\n/g;
3096		3377
		3378	%vars = (_dummy => 0) unless %vars;
		3379
		3380	my @res;
3097	local $_;	3381	local $_;
3098	local @safe::cf::_safe_eval_args = values %vars;
3099		3382
3100	my $eval =	3383	my $eval =
3101	"do {\n"	3384	"do {\n"
3102	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3385	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3103	. "#line 0 \"{$qcode}\"\n"	3386	. "#line 0 \"{$qcode}\"\n"
3104	. $code	3387	. $code
3105	. "\n}"	3388	. "\n}"
3106	;	3389	;
3107		3390
		3391	if ($CFG{safe_eval}) {
3108	sub_generation_inc;	3392	sub_generation_inc;
		3393	local @safe::cf::_safe_eval_args = values %vars;
3109	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3394	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3110	sub_generation_inc;	3395	sub_generation_inc;
		3396	} else {
		3397	local @cf::_safe_eval_args = values %vars;
		3398	@res = wantarray ? eval eval : scalar eval $eval;
		3399	}
3111		3400
3112	if ($@) {	3401	if ($@) {
3113	warn "$@";	3402	warn "$@",
3114	warn "while executing safe code '$code'\n";	3403	"while executing safe code '$code'\n",
3115	warn "with arguments " . (join " ", %vars) . "\n";	3404	"with arguments " . (join " ", %vars) . "\n";
3116	}	3405	}
3117		3406
3118	wantarray ? @res : $res[0]	3407	wantarray ? @res : $res[0]
3119	}	3408	}
3120		3409
…		…
3134	=cut	3423	=cut
3135		3424
3136	sub register_script_function {	3425	sub register_script_function {
3137	my ($fun, $cb) = @_;	3426	my ($fun, $cb) = @_;
3138		3427
3139	no strict 'refs';	3428	$fun = "safe::$fun" if $CFG{safe_eval};
3140	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3429	*$fun = $safe_hole->wrap ($cb);
3141	}	3430	}
3142		3431
3143	=back	3432	=back
3144		3433
3145	=cut	3434	=cut
…		…
3154	# for this (global event?)	3443	# for this (global event?)
3155	%ext::player_env::MUSIC_FACE_CACHE = ();	3444	%ext::player_env::MUSIC_FACE_CACHE = ();
3156		3445
3157	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3446	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3158		3447
3159	warn "loading facedata from $path\n";	3448	trace "loading facedata from $path\n";
3160		3449
3161	my $facedata;	3450	my $facedata = decode_storable load_file $path;
3162	0 < aio_load $path, $facedata
3163	or die "$path: $!";
3164
3165	$facedata = Coro::Storable::thaw $facedata;
3166		3451
3167	$facedata->{version} == 2	3452	$facedata->{version} == 2
3168	or cf::cleanup "$path: version mismatch, cannot proceed.";	3453	or cf::cleanup "$path: version mismatch, cannot proceed.";
3169		3454
3170	# patch in the exptable	3455	# patch in the exptable
		3456	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3171	$facedata->{resource}{"res/exp_table"} = {	3457	$facedata->{resource}{"res/exp_table"} = {
3172	type => FT_RSRC,	3458	type => FT_RSRC,
3173	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3459	data => $exp_table,
		3460	hash => (Digest::MD5::md5 $exp_table),
3174	};	3461	};
3175	cf::cede_to_tick;	3462	cf::cede_to_tick;
3176		3463
3177	{	3464	{
3178	my $faces = $facedata->{faceinfo};	3465	my $faces = $facedata->{faceinfo};
…		…
3180	while (my ($face, $info) = each %$faces) {	3467	while (my ($face, $info) = each %$faces) {
3181	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3468	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3182		3469
3183	cf::face::set_visibility $idx, $info->{visibility};	3470	cf::face::set_visibility $idx, $info->{visibility};
3184	cf::face::set_magicmap $idx, $info->{magicmap};	3471	cf::face::set_magicmap $idx, $info->{magicmap};
3185	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3472	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3186	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3473	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3474	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
3187		3475
3188	cf::cede_to_tick;	3476	cf::cede_to_tick;
3189	}	3477	}
3190		3478
3191	while (my ($face, $info) = each %$faces) {	3479	while (my ($face, $info) = each %$faces) {
…		…
3196		3484
3197	if (my $smooth = cf::face::find $info->{smooth}) {	3485	if (my $smooth = cf::face::find $info->{smooth}) {
3198	cf::face::set_smooth $idx, $smooth;	3486	cf::face::set_smooth $idx, $smooth;
3199	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3487	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3200	} else {	3488	} else {
3201	warn "smooth face '$info->{smooth}' not found for face '$face'";	3489	error "smooth face '$info->{smooth}' not found for face '$face'";
3202	}	3490	}
3203		3491
3204	cf::cede_to_tick;	3492	cf::cede_to_tick;
3205	}	3493	}
3206	}	3494	}
…		…
3215		3503
3216	cf::anim::invalidate_all; # d'oh	3504	cf::anim::invalidate_all; # d'oh
3217	}	3505	}
3218		3506
3219	{	3507	{
3220	# TODO: for gcfclient pleasure, we should give resources
3221	# that gcfclient doesn't grok a >10000 face index.
3222	my $res = $facedata->{resource};	3508	my $res = $facedata->{resource};
3223		3509
3224	while (my ($name, $info) = each %$res) {	3510	while (my ($name, $info) = each %$res) {
3225	if (defined $info->{type}) {	3511	if (defined $info->{type}) {
3226	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3512	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3227	my $data;
3228		3513
3229	if ($info->{type} & 1) {	3514	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3230	# prepend meta info
3231
3232	my $meta = $enc->encode ({
3233	name => $name,
3234	%{ $info->{meta} || {} },
3235	});
3236
3237	$data = pack "(w/a*)*", $meta, $info->{data};
3238	} else {
3239	$data = $info->{data};
3240	}
3241
3242	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3243	cf::face::set_type $idx, $info->{type};	3515	cf::face::set_type $idx, $info->{type};
3244	} else {	3516	} else {
3245	$RESOURCE{$name} = $info;	3517	$RESOURCE{$name} = $info; # unused
3246	}	3518	}
3247		3519
3248	cf::cede_to_tick;	3520	cf::cede_to_tick;
3249	}	3521	}
3250	}	3522	}
3251		3523
3252	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);	3524	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3253		3525
3254	1	3526	1
3255	}	3527	}
3256
3257	cf::global->attach (on_resource_update => sub {
3258	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3259	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3260
3261	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3262	my $sound = $soundconf->{compat}[$_]
3263	or next;
3264
3265	my $face = cf::face::find "sound/$sound->[1]";
3266	cf::sound::set $sound->[0] => $face;
3267	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3268	}
3269
3270	while (my ($k, $v) = each %{$soundconf->{event}}) {
3271	my $face = cf::face::find "sound/$v";
3272	cf::sound::set $k => $face;
3273	}
3274	}
3275	});
3276		3528
3277	register_exticmd fx_want => sub {	3529	register_exticmd fx_want => sub {
3278	my ($ns, $want) = @_;	3530	my ($ns, $want) = @_;
3279		3531
3280	while (my ($k, $v) = each %$want) {	3532	while (my ($k, $v) = each %$want) {
…		…
3319	sub reload_treasures {	3571	sub reload_treasures {
3320	load_resource_file "$DATADIR/treasures"	3572	load_resource_file "$DATADIR/treasures"
3321	or die "unable to load treasurelists\n";	3573	or die "unable to load treasurelists\n";
3322	}	3574	}
3323		3575
		3576	sub reload_sound {
		3577	trace "loading sound config from $DATADIR/sound\n";
		3578
		3579	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3580
		3581	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3582	my $sound = $soundconf->{compat}[$_]
		3583	or next;
		3584
		3585	my $face = cf::face::find "sound/$sound->[1]";
		3586	cf::sound::set $sound->[0] => $face;
		3587	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3588	}
		3589
		3590	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3591	my $face = cf::face::find "sound/$v";
		3592	cf::sound::set $k => $face;
		3593	}
		3594	}
		3595
3324	sub reload_resources {	3596	sub reload_resources {
3325	warn "reloading resource files...\n";	3597	trace "reloading resource files...\n";
3326		3598
		3599	reload_exp_table;
		3600	reload_materials;
3327	reload_facedata;	3601	reload_facedata;
		3602	reload_sound;
3328	reload_archetypes;	3603	reload_archetypes;
3329	reload_regions;	3604	reload_regions;
3330	reload_treasures;	3605	reload_treasures;
3331		3606
3332	warn "finished reloading resource files\n";	3607	trace "finished reloading resource files\n";
3333	}
3334
3335	sub init {
3336	my $guard = freeze_mainloop;
3337
3338	evthread_start IO::AIO::poll_fileno;
3339
3340	reload_resources;
3341	}	3608	}
3342		3609
3343	sub reload_config {	3610	sub reload_config {
3344	open my $fh, "<:utf8", "$CONFDIR/config"	3611	trace "reloading config file...\n";
3345	or return;
3346		3612
3347	local $/;	3613	my $config = load_file "$CONFDIR/config";
3348	*CFG = YAML::Load <$fh>;	3614	utf8::decode $config;
		3615	*CFG = decode_yaml $config;
3349		3616
3350	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3617	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3351		3618
3352	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3619	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3353	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3620	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3354		3621
3355	if (exists $CFG{mlockall}) {	3622	if (exists $CFG{mlockall}) {
…		…
3378		3645
3379	seek $fh, 0, 0;	3646	seek $fh, 0, 0;
3380	print $fh $$;	3647	print $fh $$;
3381	}	3648	}
3382		3649
		3650	sub main_loop {
		3651	trace "EV::loop starting\n";
		3652	if (1) {
		3653	EV::loop;
		3654	}
		3655	trace "EV::loop returned\n";
		3656	goto &main_loop unless $REALLY_UNLOOP;
		3657	}
		3658
3383	sub main {	3659	sub main {
3384	atomic;	3660	cf::init_globals; # initialise logging
		3661
		3662	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3663	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3664	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3665	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3666
		3667	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3385		3668
3386	# we must not ever block the main coroutine	3669	# we must not ever block the main coroutine
3387	local $Coro::idle = sub {	3670	local $Coro::idle = sub {
3388	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3671	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3389	(async {	3672	(async {
3390	$Coro::current->{desc} = "IDLE BUG HANDLER";	3673	$Coro::current->{desc} = "IDLE BUG HANDLER";
3391	EV::loop EV::LOOP_ONESHOT;	3674	EV::loop EV::LOOP_ONESHOT;
3392	})->prio (Coro::PRIO_MAX);	3675	})->prio (Coro::PRIO_MAX);
3393	};	3676	};
3394		3677
3395	{	3678	evthread_start IO::AIO::poll_fileno;
3396	my $guard = freeze_mainloop;	3679
		3680	cf::sync_job {
		3681	cf::incloader::init ();
		3682
		3683	cf::init_anim;
		3684	cf::init_attackmess;
		3685	cf::init_dynamic;
		3686
		3687	cf::load_settings;
		3688
		3689	reload_resources;
3397	reload_config;	3690	reload_config;
3398	db_init;	3691	db_init;
		3692
		3693	cf::init_uuid;
		3694	cf::init_signals;
		3695	cf::init_skills;
		3696
		3697	cf::init_beforeplay;
		3698
		3699	atomic;
		3700
3399	load_extensions;	3701	load_extensions;
3400		3702
3401	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3402	}
3403
3404	utime time, time, $RUNTIMEFILE;	3703	utime time, time, $RUNTIMEFILE;
3405		3704
3406	# no (long-running) fork's whatsoever before this point(!)	3705	# no (long-running) fork's whatsoever before this point(!)
		3706	use POSIX ();
3407	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};	3707	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3408		3708
3409	EV::loop;	3709	cf::_post_init 0;
		3710	};
		3711
		3712	cf::object::thawer::errors_are_fatal 0;
		3713	info "parse errors in files are no longer fatal from this point on.\n";
		3714
		3715	my $free_main; $free_main = EV::idle sub {
		3716	undef $free_main;
		3717	undef &main; # free gobs of memory :)
		3718	};
		3719
		3720	goto &main_loop;
3410	}	3721	}
3411		3722
3412	#############################################################################	3723	#############################################################################
3413	# initialisation and cleanup	3724	# initialisation and cleanup
3414		3725
3415	# install some emergency cleanup handlers	3726	# install some emergency cleanup handlers
3416	BEGIN {	3727	BEGIN {
3417	our %SIGWATCHER = ();	3728	our %SIGWATCHER = ();
3418	for my $signal (qw(INT HUP TERM)) {	3729	for my $signal (qw(INT HUP TERM)) {
3419	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3730	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3420	cf::cleanup "SIG$signal";	3731	cf::cleanup "SIG$signal";
3421	};	3732	};
3422	}	3733	}
3423	}	3734	}
3424		3735
3425	sub write_runtime_sync {	3736	sub write_runtime_sync {
		3737	my $t0 = AE::time;
		3738
3426	# first touch the runtime file to show we are still running:	3739	# first touch the runtime file to show we are still running:
3427	# the fsync below can take a very very long time.	3740	# the fsync below can take a very very long time.
3428		3741
3429	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;	3742	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3430		3743
3431	my $guard = cf::lock_acquire "write_runtime";	3744	my $guard = cf::lock_acquire "write_runtime";
3432		3745
3433	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644	3746	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3434	or return;	3747	or return;
3435		3748
3436	my $value = $cf::RUNTIME + 90 + 10;	3749	my $value = $cf::RUNTIME + 90 + 10;
3437	# 10 is the runtime save interval, for a monotonic clock	3750	# 10 is the runtime save interval, for a monotonic clock
3438	# 60 allows for the watchdog to kill the server.	3751	# 60 allows for the watchdog to kill the server.
…		…
3451	or return;	3764	or return;
3452		3765
3453	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE	3766	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3454	and return;	3767	and return;
3455		3768
3456	warn "runtime file written.\n";	3769	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3457		3770
3458	1	3771	1
3459	}	3772	}
3460		3773
3461	our $uuid_lock;	3774	our $uuid_lock;
…		…
3470	my $uuid = "$LOCALDIR/uuid";	3783	my $uuid = "$LOCALDIR/uuid";
3471		3784
3472	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644	3785	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3473	or return;	3786	or return;
3474		3787
3475	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;	3788	my $value = uuid_seq uuid_cur;
		3789
		3790	unless ($value) {
		3791	info "cowardly refusing to write zero uuid value!\n";
		3792	return;
		3793	}
		3794
		3795	my $value = uuid_str $value + $uuid_skip;
3476	$uuid_skip = 0;	3796	$uuid_skip = 0;
3477		3797
3478	(aio_write $fh, 0, (length $value), $value, 0) <= 0	3798	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3479	and return;	3799	and return;
3480		3800
…		…
3486	or return;	3806	or return;
3487		3807
3488	aio_rename "$uuid~", $uuid	3808	aio_rename "$uuid~", $uuid
3489	and return;	3809	and return;
3490		3810
3491	warn "uuid file written ($value).\n";	3811	trace "uuid file written ($value).\n";
3492		3812
3493	1	3813	1
3494		3814
3495	}	3815	}
3496		3816
…		…
3502	}	3822	}
3503		3823
3504	sub emergency_save() {	3824	sub emergency_save() {
3505	my $freeze_guard = cf::freeze_mainloop;	3825	my $freeze_guard = cf::freeze_mainloop;
3506		3826
3507	warn "enter emergency perl save\n";	3827	info "emergency_perl_save: enter\n";
		3828
		3829	# this is a trade-off: we want to be very quick here, so
		3830	# save all maps without fsync, and later call a global sync
		3831	# (which in turn might be very very slow)
		3832	local $USE_FSYNC = 0;
3508		3833
3509	cf::sync_job {	3834	cf::sync_job {
		3835	cf::write_runtime_sync; # external watchdog should not bark
		3836
3510	# use a peculiar iteration method to avoid tripping on perl	3837	# use a peculiar iteration method to avoid tripping on perl
3511	# refcount bugs in for. also avoids problems with players	3838	# refcount bugs in for. also avoids problems with players
3512	# and maps saved/destroyed asynchronously.	3839	# and maps saved/destroyed asynchronously.
3513	warn "begin emergency player save\n";	3840	info "emergency_perl_save: begin player save\n";
3514	for my $login (keys %cf::PLAYER) {	3841	for my $login (keys %cf::PLAYER) {
3515	my $pl = $cf::PLAYER{$login} or next;	3842	my $pl = $cf::PLAYER{$login} or next;
3516	$pl->valid or next;	3843	$pl->valid or next;
3517	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3844	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3518	$pl->save;	3845	$pl->save;
3519	}	3846	}
3520	warn "end emergency player save\n";	3847	info "emergency_perl_save: end player save\n";
3521		3848
3522	warn "begin emergency map save\n";	3849	cf::write_runtime_sync; # external watchdog should not bark
		3850
		3851	info "emergency_perl_save: begin map save\n";
3523	for my $path (keys %cf::MAP) {	3852	for my $path (keys %cf::MAP) {
3524	my $map = $cf::MAP{$path} or next;	3853	my $map = $cf::MAP{$path} or next;
3525	$map->valid or next;	3854	$map->valid or next;
3526	$map->save;	3855	$map->save;
3527	}	3856	}
3528	warn "end emergency map save\n";	3857	info "emergency_perl_save: end map save\n";
3529		3858
3530	warn "begin emergency database checkpoint\n";	3859	cf::write_runtime_sync; # external watchdog should not bark
		3860
		3861	info "emergency_perl_save: begin database checkpoint\n";
3531	BDB::db_env_txn_checkpoint $DB_ENV;	3862	BDB::db_env_txn_checkpoint $DB_ENV;
3532	warn "end emergency database checkpoint\n";	3863	info "emergency_perl_save: end database checkpoint\n";
3533		3864
3534	warn "begin write uuid\n";	3865	info "emergency_perl_save: begin write uuid\n";
3535	write_uuid_sync 1;	3866	write_uuid_sync 1;
3536	warn "end write uuid\n";	3867	info "emergency_perl_save: end write uuid\n";
		3868
		3869	cf::write_runtime_sync; # external watchdog should not bark
		3870
		3871	trace "emergency_perl_save: syncing database to disk";
		3872	BDB::db_env_txn_checkpoint $DB_ENV;
		3873
		3874	info "emergency_perl_save: starting sync\n";
		3875	IO::AIO::aio_sync sub {
		3876	info "emergency_perl_save: finished sync\n";
		3877	};
		3878
		3879	cf::write_runtime_sync; # external watchdog should not bark
		3880
		3881	trace "emergency_perl_save: flushing outstanding aio requests";
		3882	while (IO::AIO::nreqs || BDB::nreqs) {
		3883	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3884	}
		3885
		3886	cf::write_runtime_sync; # external watchdog should not bark
3537	};	3887	};
3538		3888
3539	warn "leave emergency perl save\n";	3889	info "emergency_perl_save: leave\n";
3540	}	3890	}
3541		3891
3542	sub post_cleanup {	3892	sub post_cleanup {
3543	my ($make_core) = @_;	3893	my ($make_core) = @_;
3544		3894
		3895	IO::AIO::flush;
		3896
3545	warn Carp::longmess "post_cleanup backtrace"	3897	error Carp::longmess "post_cleanup backtrace"
3546	if $make_core;	3898	if $make_core;
3547		3899
3548	my $fh = pidfile;	3900	my $fh = pidfile;
3549	unlink $PIDFILE if <$fh> == $$;	3901	unlink $PIDFILE if <$fh> == $$;
3550	}	3902	}
…		…
3570	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};	3922	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3571	for my $name (keys %$leaf_symtab) {	3923	for my $name (keys %$leaf_symtab) {
3572	_gv_clear *{"$pkg$name"};	3924	_gv_clear *{"$pkg$name"};
3573	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};	3925	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3574	}	3926	}
3575	warn "cleared package #$pkg\n";#d#
3576	}	3927	}
3577
3578	our $RELOAD; # how many times to reload
3579		3928
3580	sub do_reload_perl() {	3929	sub do_reload_perl() {
3581	# can/must only be called in main	3930	# can/must only be called in main
3582	if ($Coro::current != $Coro::main) {	3931	unless (in_main) {
3583	warn "can only reload from main coroutine";	3932	error "can only reload from main coroutine";
3584	return;	3933	return;
3585	}	3934	}
3586		3935
3587	return if $RELOAD++;	3936	return if $RELOAD++;
3588		3937
		3938	my $t1 = AE::time;
		3939
3589	while ($RELOAD) {	3940	while ($RELOAD) {
3590	warn "reloading...";	3941	cf::get_slot 0.1, -1, "reload_perl";
		3942	info "perl_reload: reloading...";
3591		3943
3592	warn "entering sync_job";	3944	trace "perl_reload: entering sync_job";
3593		3945
3594	cf::sync_job {	3946	cf::sync_job {
3595	cf::write_runtime_sync; # external watchdog should not bark
3596	cf::emergency_save;	3947	#cf::emergency_save;
3597	cf::write_runtime_sync; # external watchdog should not bark
3598		3948
3599	warn "syncing database to disk";
3600	BDB::db_env_txn_checkpoint $DB_ENV;
3601
3602	# if anything goes wrong in here, we should simply crash as we already saved
3603
3604	warn "flushing outstanding aio requests";
3605	while (IO::AIO::nreqs || BDB::nreqs) {
3606	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3607	}
3608
3609	warn "cancelling all extension coros";	3949	trace "perl_reload: cancelling all extension coros";
3610	$_->cancel for values %EXT_CORO;	3950	$_->cancel for values %EXT_CORO;
3611	%EXT_CORO = ();	3951	%EXT_CORO = ();
3612		3952
3613	warn "removing commands";	3953	trace "perl_reload: removing commands";
3614	%COMMAND = ();	3954	%COMMAND = ();
3615		3955
3616	warn "removing ext/exti commands";	3956	trace "perl_reload: removing ext/exti commands";
3617	%EXTCMD = ();	3957	%EXTCMD = ();
3618	%EXTICMD = ();	3958	%EXTICMD = ();
3619		3959
3620	warn "unloading/nuking all extensions";	3960	trace "perl_reload: unloading/nuking all extensions";
3621	for my $pkg (@EXTS) {	3961	for my $pkg (@EXTS) {
3622	warn "... unloading $pkg";	3962	trace "... unloading $pkg";
3623		3963
3624	if (my $cb = $pkg->can ("unload")) {	3964	if (my $cb = $pkg->can ("unload")) {
3625	eval {	3965	eval {
3626	$cb->($pkg);	3966	$cb->($pkg);
3627	1	3967	1
3628	} or warn "$pkg unloaded, but with errors: $@";	3968	} or error "$pkg unloaded, but with errors: $@";
3629	}	3969	}
3630		3970
3631	warn "... clearing $pkg";	3971	trace "... clearing $pkg";
3632	clear_package $pkg;	3972	clear_package $pkg;
3633	}	3973	}
3634		3974
3635	warn "unloading all perl modules loaded from $LIBDIR";	3975	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3636	while (my ($k, $v) = each %INC) {	3976	while (my ($k, $v) = each %INC) {
3637	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3977	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3638		3978
3639	warn "... unloading $k";	3979	trace "... unloading $k";
3640	delete $INC{$k};	3980	delete $INC{$k};
3641		3981
3642	$k =~ s/\.pm$//;	3982	$k =~ s/\.pm$//;
3643	$k =~ s/\//::/g;	3983	$k =~ s/\//::/g;
3644		3984
…		…
3647	}	3987	}
3648		3988
3649	clear_package $k;	3989	clear_package $k;
3650	}	3990	}
3651		3991
3652	warn "getting rid of safe::, as good as possible";	3992	trace "perl_reload: getting rid of safe::, as good as possible";
3653	clear_package "safe::$_"	3993	clear_package "safe::$_"
3654	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3994	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3655		3995
3656	warn "unloading cf.pm \"a bit\"";	3996	trace "perl_reload: unloading cf.pm \"a bit\"";
3657	delete $INC{"cf.pm"};	3997	delete $INC{"cf.pm"};
3658	delete $INC{"cf/pod.pm"};	3998	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3659		3999
3660	# don't, removes xs symbols, too,	4000	# don't, removes xs symbols, too,
3661	# and global variables created in xs	4001	# and global variables created in xs
3662	#clear_package __PACKAGE__;	4002	#clear_package __PACKAGE__;
3663		4003
3664	warn "unload completed, starting to reload now";	4004	info "perl_reload: unload completed, starting to reload now";
3665		4005
3666	warn "reloading cf.pm";	4006	trace "perl_reload: reloading cf.pm";
3667	require cf;	4007	require cf;
3668	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4008	cf::_connect_to_perl_1;
3669		4009
3670	warn "loading config and database again";	4010	trace "perl_reload: loading config and database again";
3671	cf::reload_config;	4011	cf::reload_config;
3672		4012
3673	warn "loading extensions";	4013	trace "perl_reload: loading extensions";
3674	cf::load_extensions;	4014	cf::load_extensions;
3675		4015
		4016	if ($REATTACH_ON_RELOAD) {
3676	warn "reattaching attachments to objects/players";	4017	trace "perl_reload: reattaching attachments to objects/players";
3677	_global_reattach; # objects, sockets	4018	_global_reattach; # objects, sockets
3678	warn "reattaching attachments to maps";	4019	trace "perl_reload: reattaching attachments to maps";
3679	reattach $_ for values %MAP;	4020	reattach $_ for values %MAP;
3680	warn "reattaching attachments to players";	4021	trace "perl_reload: reattaching attachments to players";
3681	reattach $_ for values %PLAYER;	4022	reattach $_ for values %PLAYER;
		4023	}
3682		4024
3683	warn "leaving sync_job";	4025	cf::_post_init 1;
		4026
		4027	trace "perl_reload: leaving sync_job";
3684		4028
3685	1	4029	1
3686	} or do {	4030	} or do {
3687	warn $@;	4031	error $@;
3688	cf::cleanup "error while reloading, exiting.";	4032	cf::cleanup "perl_reload: error, exiting.";
3689	};	4033	};
3690		4034
3691	warn "reloaded";
3692	--$RELOAD;	4035	--$RELOAD;
3693	}	4036	}
		4037
		4038	$t1 = AE::time - $t1;
		4039	info "perl_reload: completed in ${t1}s\n";
3694	};	4040	};
3695		4041
3696	our $RELOAD_WATCHER; # used only during reload	4042	our $RELOAD_WATCHER; # used only during reload
3697		4043
3698	sub reload_perl() {	4044	sub reload_perl() {
3699	# doing reload synchronously and two reloads happen back-to-back,	4045	# doing reload synchronously and two reloads happen back-to-back,
3700	# coro crashes during coro_state_free->destroy here.	4046	# coro crashes during coro_state_free->destroy here.
3701		4047
		4048	$RELOAD_WATCHER ||= cf::async {
		4049	Coro::AIO::aio_wait cache_extensions;
		4050
3702	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	4051	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3703	do_reload_perl;	4052	do_reload_perl;
3704	undef $RELOAD_WATCHER;	4053	undef $RELOAD_WATCHER;
		4054	};
3705	};	4055	};
3706	}	4056	}
3707		4057
3708	register_command "reload" => sub {	4058	register_command "reload" => sub {
3709	my ($who, $arg) = @_;	4059	my ($who, $arg) = @_;
…		…
3715	reload_perl;	4065	reload_perl;
3716	};	4066	};
3717	}	4067	}
3718	};	4068	};
3719		4069
3720	unshift @INC, $LIBDIR;	4070	#############################################################################
3721		4071
3722	my $bug_warning = 0;	4072	my $bug_warning = 0;
3723		4073
3724	our @WAIT_FOR_TICK;	4074	our @WAIT_FOR_TICK;
3725	our @WAIT_FOR_TICK_BEGIN;	4075	our @WAIT_FOR_TICK_BEGIN;
3726		4076
3727	sub wait_for_tick {	4077	sub wait_for_tick() {
3728	return if tick_inhibit || $Coro::current == $Coro::main;	4078	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3729		4079
3730	my $signal = new Coro::Signal;	4080	my $signal = new Coro::Signal;
3731	push @WAIT_FOR_TICK, $signal;	4081	push @WAIT_FOR_TICK, $signal;
3732	$signal->wait;	4082	$signal->wait;
3733	}	4083	}
3734		4084
3735	sub wait_for_tick_begin {	4085	sub wait_for_tick_begin() {
3736	return if tick_inhibit || $Coro::current == $Coro::main;	4086	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3737		4087
3738	my $signal = new Coro::Signal;	4088	my $signal = new Coro::Signal;
3739	push @WAIT_FOR_TICK_BEGIN, $signal;	4089	push @WAIT_FOR_TICK_BEGIN, $signal;
3740	$signal->wait;	4090	$signal->wait;
3741	}	4091	}
…		…
3747	return;	4097	return;
3748	}	4098	}
3749		4099
3750	cf::server_tick; # one server iteration	4100	cf::server_tick; # one server iteration
3751		4101
		4102	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4103
3752	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4104	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3753	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	4105	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3754	Coro::async_pool {	4106	Coro::async_pool {
3755	$Coro::current->{desc} = "runtime saver";	4107	$Coro::current->{desc} = "runtime saver";
3756	write_runtime_sync	4108	write_runtime_sync
3757	or warn "ERROR: unable to write runtime file: $!";	4109	or error "ERROR: unable to write runtime file: $!";
3758	};	4110	};
3759	}	4111	}
3760		4112
3761	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4113	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3762	$sig->send;	4114	$sig->send;
…		…
3770		4122
3771	if (0) {	4123	if (0) {
3772	if ($NEXT_TICK) {	4124	if ($NEXT_TICK) {
3773	my $jitter = $TICK_START - $NEXT_TICK;	4125	my $jitter = $TICK_START - $NEXT_TICK;
3774	$JITTER = $JITTER * 0.75 + $jitter * 0.25;	4126	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
3775	warn "jitter $JITTER\n";#d#	4127	debug "jitter $JITTER\n";#d#
3776	}	4128	}
3777	}	4129	}
3778	}	4130	}
3779		4131
3780	{	4132	{
3781	# configure BDB	4133	# configure BDB
3782		4134
3783	BDB::min_parallel 8;	4135	BDB::min_parallel 16;
3784	BDB::max_poll_reqs $TICK * 0.1;	4136	BDB::max_poll_reqs $TICK * 0.1;
3785	$AnyEvent::BDB::WATCHER->priority (1);	4137	$AnyEvent::BDB::WATCHER->priority (1);
3786		4138
3787	unless ($DB_ENV) {	4139	unless ($DB_ENV) {
3788	$DB_ENV = BDB::db_env_create;	4140	$DB_ENV = BDB::db_env_create;
…		…
3825	IO::AIO::min_parallel 8;	4177	IO::AIO::min_parallel 8;
3826	IO::AIO::max_poll_time $TICK * 0.1;	4178	IO::AIO::max_poll_time $TICK * 0.1;
3827	undef $AnyEvent::AIO::WATCHER;	4179	undef $AnyEvent::AIO::WATCHER;
3828	}	4180	}
3829		4181
3830	my $_log_backtrace;	4182	our $_log_backtrace;
		4183	our $_log_backtrace_last;
3831		4184
3832	sub _log_backtrace {	4185	sub _log_backtrace {
3833	my ($msg, @addr) = @_;	4186	my ($msg, @addr) = @_;
3834		4187
3835	$msg =~ s/\n//;	4188	$msg =~ s/\n$//;
3836		4189
		4190	if ($_log_backtrace_last eq $msg) {
		4191	LOG llevInfo, "[ABT] $msg\n";
		4192	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3837	# limit the # of concurrent backtraces	4193	# limit the # of concurrent backtraces
3838	if ($_log_backtrace < 2) {	4194	} elsif ($_log_backtrace < 2) {
		4195	$_log_backtrace_last = $msg;
3839	++$_log_backtrace;	4196	++$_log_backtrace;
3840	my $perl_bt = Carp::longmess $msg;	4197	my $perl_bt = Carp::longmess $msg;
3841	async {	4198	async {
3842	$Coro::current->{desc} = "abt $msg";	4199	$Coro::current->{desc} = "abt $msg";
3843		4200
…		…
3863	LOG llevInfo, "[ABT] $_\n" for @bt;	4220	LOG llevInfo, "[ABT] $_\n" for @bt;
3864	--$_log_backtrace;	4221	--$_log_backtrace;
3865	};	4222	};
3866	} else {	4223	} else {
3867	LOG llevInfo, "[ABT] $msg\n";	4224	LOG llevInfo, "[ABT] $msg\n";
3868	LOG llevInfo, "[ABT] [suppressed]\n";	4225	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3869	}	4226	}
3870	}	4227	}
3871		4228
3872	# load additional modules	4229	# load additional modules
3873	use cf::pod;	4230	require "cf/$_.pm" for @EXTRA_MODULES;
		4231	cf::_connect_to_perl_2;
3874		4232
3875	END { cf::emergency_save }	4233	END { cf::emergency_save }
3876		4234
3877	1	4235	1
3878		4236

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