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Revision 1.444 by root, Mon Sep 8 11:27:25 2008 UTC vs.
Revision 1.563 by root, Sat Apr 23 04:56:51 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 (©) 2006,2007,2008,2009,2010,2011 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";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
97	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;
98		120
99	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
100	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
101	our $NEXT_TICK;	123	our $NEXT_TICK;
102	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
103		125
104	our $BDB_DEADLOCK_WATCHER;	126	our $BDB_DEADLOCK_WATCHER;
105	our $BDB_CHECKPOINT_WATCHER;	127	our $BDB_CHECKPOINT_WATCHER;
106	our $BDB_TRICKLE_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
107	our $DB_ENV;	129	our $DB_ENV;
108		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		132
109	our %CFG;	133	our %CFG;
110		134
111	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
112	our $RUNTIME;	136	our $RUNTIME;
113	our $NOW;	137	our $NOW;
…		…
122	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)
123	our $LOADAVG; # same thing, but with alpha-smoothing	147	our $LOADAVG; # same thing, but with alpha-smoothing
124	our $JITTER; # average jitter	148	our $JITTER; # average jitter
125	our $TICK_START; # for load detecting purposes	149	our $TICK_START; # for load detecting purposes
126		150
		151	our @POST_INIT;
		152
		153	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		154	our $REALLY_UNLOOP; # never set to true, please :)
		155
127	binmode STDOUT;	156	binmode STDOUT;
128	binmode STDERR;	157	binmode STDERR;
129		158
130	# read virtual server time, if available	159	# read virtual server time, if available
131	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	160	unless ($RUNTIME || !-e $RUNTIMEFILE) {
132	open my $fh, "<", "$LOCALDIR/runtime"	161	open my $fh, "<", $RUNTIMEFILE
133	or die "unable to read runtime file: $!";	162	or die "unable to read $RUNTIMEFILE file: $!";
134	$RUNTIME = <$fh> + 0.;	163	$RUNTIME = <$fh> + 0.;
135	}	164	}
		165
		166	eval "sub TICK() { $TICK } 1" or die;
136		167
137	mkdir $_	168	mkdir $_
138	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	169	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
139		170
140	our $EMERGENCY_POSITION;	171	our $EMERGENCY_POSITION;
141		172
142	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::"} };
143		189
144	#############################################################################	190	#############################################################################
145		191
146	=head2 GLOBAL VARIABLES	192	=head2 GLOBAL VARIABLES
147		193
…		…
189	from wherever your confdir points to.	235	from wherever your confdir points to.
190		236
191	=item cf::wait_for_tick, cf::wait_for_tick_begin	237	=item cf::wait_for_tick, cf::wait_for_tick_begin
192		238
193	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
194	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
195	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.
196		242
		243	=cut
		244
		245	sub wait_for_tick();
		246	sub wait_for_tick_begin();
		247
197	=item @cf::INVOKE_RESULTS	248	=item @cf::INVOKE_RESULTS
198		249
199	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
200	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
201	that call.	252	that call.
202		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
203	=back	260	=back
204		261
205	=cut	262	=cut
206		263
207	BEGIN {	264	sub error(@) { LOG llevError, join "", @_ }
208	*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 {
209	my $msg = join "", @_;	271	my $msg = join "", @_;
210		272
211	$msg .= "\n"	273	$msg .= "\n"
212	unless $msg =~ /\n$/;	274	unless $msg =~ /\n$/;
213		275
214	$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;
215		277
216	LOG llevError, $msg;	278	LOG llevWarn, $msg;
217	};	279	};
218	}
219		280
220	$Coro::State::DIEHOOK = sub {	281	$Coro::State::DIEHOOK = sub {
221	return unless $^S eq 0; # "eq", not "=="	282	return unless $^S eq 0; # "eq", not "=="
222		283
223	if ($Coro::current == $Coro::main) {#d#	284	error Carp::longmess $_[0];
		285
		286	if (in_main) {#d#
224	warn "DIEHOOK called in main context, Coro bug?\n";#d#	287	error "DIEHOOK called in main context, Coro bug?\n";#d#
225	return;#d#	288	return;#d#
226	}#d#	289	}#d#
227		290
228	# kill coroutine otherwise	291	# kill coroutine otherwise
229	warn Carp::longmess $_[0];
230	Coro::terminate	292	Coro::terminate
231	};	293	};
232
233	$SIG{__DIE__} = sub { }; #d#?
234		294
235	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	295	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
236	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	296	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
237	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	297	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
238	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	298	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
252	)) {	312	)) {
253	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	313	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
254	}	314	}
255		315
256	$EV::DIED = sub {	316	$EV::DIED = sub {
257	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
258	};	318	};
		319
		320	#############################################################################
		321
		322	sub fork_call(&@);
		323	sub get_slot($;$$);
259		324
260	#############################################################################	325	#############################################################################
261		326
262	=head2 UTILITY FUNCTIONS	327	=head2 UTILITY FUNCTIONS
263		328
…		…
284	$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;
285	$d	350	$d
286	} || "[unable to dump $_[0]: '$@']";	351	} || "[unable to dump $_[0]: '$@']";
287	}	352	}
288		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
289	=item $ref = cf::decode_json $json	368	=item $ref = cf::decode_json $json
290		369
291	Converts a JSON string into the corresponding perl data structure.	370	Converts a JSON string into the corresponding perl data structure.
292		371
293	=item $json = cf::encode_json $ref	372	=item $json = cf::encode_json $ref
…		…
299	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
300		379
301	sub encode_json($) { $json_coder->encode ($_[0]) }	380	sub encode_json($) { $json_coder->encode ($_[0]) }
302	sub decode_json($) { $json_coder->decode ($_[0]) }	381	sub decode_json($) { $json_coder->decode ($_[0]) }
303		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
304	=item cf::lock_wait $string	445	=item cf::lock_wait $string
305		446
306	Wait until the given lock is available. See cf::lock_acquire.	447	Wait until the given lock is available. See cf::lock_acquire.
307		448
308	=item my $lock = cf::lock_acquire $string	449	=item my $lock = cf::lock_acquire $string
309		450
310	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
311	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,
312	for example when the coroutine gets canceled), the lock is automatically	453	for example when the coroutine gets canceled), the lock is automatically
313	returned.	454	returned.
314		455
315	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
316	deadlocked coro.	457	deadlocked coro.
…		…
322		463
323	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.
324		465
325	=cut	466	=cut
326		467
327	our %LOCK;	468	our $LOCKS = new Coro::SemaphoreSet;
328	our %LOCKER;#d#
329		469
330	sub lock_wait($) {	470	sub lock_wait($) {
331	my ($key) = @_;	471	$LOCKS->wait ($_[0]);
332
333	if ($LOCKER{$key} == $Coro::current) {#d#
334	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
335	return;#d#
336	}#d#
337
338	# wait for lock, if any
339	while ($LOCK{$key}) {
340	push @{ $LOCK{$key} }, $Coro::current;
341	Coro::schedule;
342	}
343	}	472	}
344		473
345	sub lock_acquire($) {	474	sub lock_acquire($) {
346	my ($key) = @_;	475	$LOCKS->guard ($_[0])
347
348	# wait, to be sure we are not locked
349	lock_wait $key;
350
351	$LOCK{$key} = [];
352	$LOCKER{$key} = $Coro::current;#d#
353
354	Coro::guard {
355	delete $LOCKER{$key};#d#
356	# wake up all waiters, to be on the safe side
357	$_->ready for @{ delete $LOCK{$key} };
358	}
359	}	476	}
360		477
361	sub lock_active($) {	478	sub lock_active($) {
362	my ($key) = @_;	479	$LOCKS->count ($_[0]) < 1
363
364	! ! $LOCK{$key}
365	}	480	}
366		481
367	sub freeze_mainloop {	482	sub freeze_mainloop {
368	tick_inhibit_inc;	483	tick_inhibit_inc;
369		484
370	Coro::guard \&tick_inhibit_dec;	485	&Guard::guard (\&tick_inhibit_dec);
371	}	486	}
372		487
373	=item cf::periodic $interval, $cb	488	=item cf::periodic $interval, $cb
374		489
375	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
376	get spread over timer.	491	get spread over time.
377		492
378	=cut	493	=cut
379		494
380	sub periodic($$) {	495	sub periodic($$) {
381	my ($interval, $cb) = @_;	496	my ($interval, $cb) = @_;
…		…
385	EV::periodic $start, $interval, 0, $cb	500	EV::periodic $start, $interval, 0, $cb
386	}	501	}
387		502
388	=item cf::get_slot $time[, $priority[, $name]]	503	=item cf::get_slot $time[, $priority[, $name]]
389		504
390	Allocate $time seconds of blocking CPU time at priority C<$priority>:	505	Allocate $time seconds of blocking CPU time at priority C<$priority>
391	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
392	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.
393		512
394	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
395	used for statistical purposes and should identify the same time-class.	514	used for statistical purposes and should identify the same time-class.
396		515
397	Useful for short background jobs.	516	Useful for short background jobs.
398		517
399	=cut	518	=cut
400		519
401	our @SLOT_QUEUE;	520	our @SLOT_QUEUE;
402	our $SLOT_QUEUE;	521	our $SLOT_QUEUE;
		522	our $SLOT_DECAY = 0.9;
403		523
404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	524	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
405	$SLOT_QUEUE = Coro::async {	525	$SLOT_QUEUE = Coro::async {
406	$Coro::current->desc ("timeslot manager");	526	$Coro::current->desc ("timeslot manager");
407		527
408	my $signal = new Coro::Signal;	528	my $signal = new Coro::Signal;
		529	my $busy;
409		530
410	while () {	531	while () {
411	next_job:	532	next_job:
		533
412	my $avail = cf::till_tick;	534	my $avail = cf::till_tick;
413	if ($avail > 0.01) {	535
414	for (0 .. $#SLOT_QUEUE) {	536	for (0 .. $#SLOT_QUEUE) {
415	if ($SLOT_QUEUE[$_][0] < $avail) {	537	if ($SLOT_QUEUE[$_][0] <= $avail) {
		538	$busy = 0;
416	my $job = splice @SLOT_QUEUE, $_, 1, ();	539	my $job = splice @SLOT_QUEUE, $_, 1, ();
417	$job->[2]->send;	540	$job->[2]->send;
418	Coro::cede;	541	Coro::cede;
419	goto next_job;	542	goto next_job;
420	}	543	} else {
		544	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
421	}	545	}
422	}	546	}
423		547
424	if (@SLOT_QUEUE) {	548	if (@SLOT_QUEUE) {
425	# 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
426	push @cf::WAIT_FOR_TICK, $signal;	550	push @cf::WAIT_FOR_TICK, $signal;
427	$signal->wait;	551	$signal->wait;
428	} else {	552	} else {
		553	$busy = 0;
429	Coro::schedule;	554	Coro::schedule;
430	}	555	}
431	}	556	}
432	};	557	};
433		558
434	sub get_slot($;$$) {	559	sub get_slot($;$$) {
435	return if tick_inhibit || $Coro::current == $Coro::main;	560	return if tick_inhibit || $Coro::current == $Coro::main;
436		561
437	my ($time, $pri, $name) = @_;	562	my ($time, $pri, $name) = @_;
438		563
439	$time = $TICK * .6 if $time > $TICK * .6;	564	$time = clamp $time, 0.01, $TICK * .6;
		565
440	my $sig = new Coro::Signal;	566	my $sig = new Coro::Signal;
441		567
442	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	568	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
443	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	569	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
444	$SLOT_QUEUE->ready;	570	$SLOT_QUEUE->ready;
…		…
470	=cut	596	=cut
471		597
472	sub sync_job(&) {	598	sub sync_job(&) {
473	my ($job) = @_;	599	my ($job) = @_;
474		600
475	if ($Coro::current == $Coro::main) {	601	if (in_main) {
476	my $time = EV::time;	602	my $time = AE::time;
477		603
478	# this is the main coro, too bad, we have to block	604	# this is the main coro, too bad, we have to block
479	# till the operation succeeds, freezing the server :/	605	# till the operation succeeds, freezing the server :/
480		606
481	LOG llevError, Carp::longmess "sync job";#d#	607	#LOG llevError, Carp::longmess "sync job";#d#
482		608
483	my $freeze_guard = freeze_mainloop;	609	my $freeze_guard = freeze_mainloop;
484		610
485	my $busy = 1;	611	my $busy = 1;
486	my @res;	612	my @res;
487		613
488	(async {	614	(async {
489	$Coro::current->desc ("sync job coro");	615	$Coro::current->desc ("sync job coro");
490	@res = eval { $job->() };	616	@res = eval { $job->() };
491	warn $@ if $@;	617	error $@ if $@;
492	undef $busy;	618	undef $busy;
493	})->prio (Coro::PRIO_MAX);	619	})->prio (Coro::PRIO_MAX);
494		620
495	while ($busy) {	621	while ($busy) {
496	if (Coro::nready) {	622	if (Coro::nready) {
…		…
498	} else {	624	} else {
499	EV::loop EV::LOOP_ONESHOT;	625	EV::loop EV::LOOP_ONESHOT;
500	}	626	}
501	}	627	}
502		628
503	my $time = EV::time - $time;	629	my $time = AE::time - $time;
504		630
505	$TICK_START += $time; # do not account sync jobs to server load	631	$TICK_START += $time; # do not account sync jobs to server load
506		632
507	wantarray ? @res : $res[0]	633	wantarray ? @res : $res[0]
508	} else {	634	} else {
…		…
530	$EXT_CORO{$coro+0} = $coro;	656	$EXT_CORO{$coro+0} = $coro;
531		657
532	$coro	658	$coro
533	}	659	}
534		660
535	=item fork_call { }, $args	661	=item fork_call { }, @args
536		662
537	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
538	process, returning the results. Everything must be serialisable with	664	process, returning the results. Everything must be serialisable with
539	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
540	never block itself or use any form of event handling.	666	never block itself or use any form of event handling.
541		667
542	=cut	668	=cut
543		669
		670	sub post_fork {
		671	reset_signals;
		672	}
		673
544	sub fork_call(&@) {	674	sub fork_call(&@) {
545	my ($cb, @args) = @_;	675	my ($cb, @args) = @_;
546		676
547	# 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,
548	# otherwise perl prematurely frees the stuff :/	678	# otherwise perl prematurely frees the stuff :/
549	# TODO: investigate and fix (likely this will be rather laborious)	679	# TODO: investigate and fix (likely this will be rather laborious)
550		680
551	my @res = Coro::Util::fork_eval {	681	my @res = Coro::Util::fork_eval {
552	reset_signals;	682	cf::post_fork;
553	&$cb	683	&$cb
554	}, @args;	684	} @args;
555		685
556	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	)
557	}	698	}
558		699
559	=item $coin = coin_from_name $name	700	=item $coin = coin_from_name $name
560		701
561	=cut	702	=cut
…		…
598	within each server.	739	within each server.
599		740
600	=cut	741	=cut
601		742
602	sub db_table($) {	743	sub db_table($) {
		744	cf::error "db_get called from main context"
		745	if $Coro::current == $Coro::main;
		746
603	my ($name) = @_;	747	my ($name) = @_;
604	my $db = BDB::db_create $DB_ENV;	748	my $db = BDB::db_create $DB_ENV;
605		749
606	eval {	750	eval {
607	$db->set_flags (BDB::CHKSUM);	751	$db->set_flags (BDB::CHKSUM);
…		…
617	}	761	}
618		762
619	our $DB;	763	our $DB;
620		764
621	sub db_init {	765	sub db_init {
622	cf::sync_job {
623	$DB ||= db_table "db";	766	$DB ||= db_table "db";
624	};
625	}	767	}
626		768
627	sub db_get($$) {	769	sub db_get($$) {
628	my $key = "$_[0]/$_[1]";	770	my $key = "$_[0]/$_[1]";
629		771
630	cf::sync_job {	772	cf::error "db_get called from main context"
		773	if $Coro::current == $Coro::main;
		774
631	BDB::db_get $DB, undef, $key, my $data;	775	BDB::db_get $DB, undef, $key, my $data;
632		776
633	$! ? ()	777	$! ? ()
634	: $data	778	: $data
635	}
636	}	779	}
637		780
638	sub db_put($$$) {	781	sub db_put($$$) {
639	BDB::dbreq_pri 4;	782	BDB::dbreq_pri 4;
640	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	783	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
668		811
669	my @data;	812	my @data;
670	my $md5;	813	my $md5;
671		814
672	for (0 .. $#$src) {	815	for (0 .. $#$src) {
673	0 <= aio_load $src->[$_], $data[$_]	816	$data[$_] = load_file $src->[$_];
674	or Carp::croak "$src->[$_]: $!";
675	}	817	}
676		818
677	# if processing is expensive, check	819	# if processing is expensive, check
678	# checksum first	820	# checksum first
679	if (1) {	821	if (1) {
…		…
696		838
697	my $t1 = Time::HiRes::time;	839	my $t1 = Time::HiRes::time;
698	my $data = $process->(\@data);	840	my $data = $process->(\@data);
699	my $t2 = Time::HiRes::time;	841	my $t2 = Time::HiRes::time;
700		842
701	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	843	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
702		844
703	db_put cache => "$id/data", $data;	845	db_put cache => "$id/data", $data;
704	db_put cache => "$id/md5" , $md5;	846	db_put cache => "$id/md5" , $md5;
705	db_put cache => "$id/meta", $meta;	847	db_put cache => "$id/meta", $meta;
706		848
…		…
716		858
717	=cut	859	=cut
718		860
719	sub datalog($@) {	861	sub datalog($@) {
720	my ($type, %kv) = @_;	862	my ($type, %kv) = @_;
721	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	863	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
722	}	864	}
723		865
724	=back	866	=back
725		867
726	=cut	868	=cut
727		869
728	#############################################################################	870	#############################################################################
729		871
730	=head2 ATTACHABLE OBJECTS	872	=head2 ATTACHABLE OBJECTS
731		873
732	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
733	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")
734	to it. All such attachable objects support the following methods.	876	to it. All such attachable objects support the following methods.
735		877
736	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>
737	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
…		…
787	=item cf::CLASS::attachment $name, ...	929	=item cf::CLASS::attachment $name, ...
788		930
789	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
790	given CLASS can refer to this attachment.	932	given CLASS can refer to this attachment.
791		933
792	Some classes such as crossfire maps and objects can specify attachments	934	Some classes such as deliantra maps and objects can specify attachments
793	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.
794		936
795	These calls expect any number of the following handler/hook descriptions:	937	These calls expect any number of the following handler/hook descriptions:
796		938
797	=over 4	939	=over 4
…		…
921		1063
922	} elsif (exists $cb_id{$type}) {	1064	} elsif (exists $cb_id{$type}) {
923	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1065	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
924		1066
925	} elsif (ref $type) {	1067	} elsif (ref $type) {
926	warn "attaching objects not supported, ignoring.\n";	1068	error "attaching objects not supported, ignoring.\n";
927		1069
928	} else {	1070	} else {
929	shift @arg;	1071	shift @arg;
930	warn "attach argument '$type' not supported, ignoring.\n";	1072	error "attach argument '$type' not supported, ignoring.\n";
931	}	1073	}
932	}	1074	}
933	}	1075	}
934		1076
935	sub _object_attach {	1077	sub _object_attach {
…		…
945	_attach $registry, $klass, @attach;	1087	_attach $registry, $klass, @attach;
946	}	1088	}
947		1089
948	$obj->{$name} = \%arg;	1090	$obj->{$name} = \%arg;
949	} else {	1091	} else {
950	warn "object uses attachment '$name' which is not available, postponing.\n";	1092	info "object uses attachment '$name' which is not available, postponing.\n";
951	}	1093	}
952		1094
953	$obj->{_attachment}{$name} = undef;	1095	$obj->{_attachment}{$name} = undef;
954	}	1096	}
955		1097
…		…
1014		1156
1015	for (@$callbacks) {	1157	for (@$callbacks) {
1016	eval { &{$_->[1]} };	1158	eval { &{$_->[1]} };
1017		1159
1018	if ($@) {	1160	if ($@) {
1019	warn "$@";
1020	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1161	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
1021	override;	1162	override;
1022	}	1163	}
1023		1164
1024	return 1 if $override;	1165	return 1 if $override;
1025	}	1166	}
…		…
1104	for (@$attach) {	1245	for (@$attach) {
1105	my ($klass, @attach) = @$_;	1246	my ($klass, @attach) = @$_;
1106	_attach $registry, $klass, @attach;	1247	_attach $registry, $klass, @attach;
1107	}	1248	}
1108	} else {	1249	} else {
1109	warn "object uses attachment '$name' that is not available, postponing.\n";	1250	info "object uses attachment '$name' that is not available, postponing.\n";
1110	}	1251	}
1111	}	1252	}
1112	}	1253	}
1113		1254
1114	cf::attachable->attach (	1255	cf::attachable->attach (
…		…
1141	my ($filename, $rdata, $objs) = @_;	1282	my ($filename, $rdata, $objs) = @_;
1142		1283
1143	sync_job {	1284	sync_job {
1144	if (length $$rdata) {	1285	if (length $$rdata) {
1145	utf8::decode (my $decname = $filename);	1286	utf8::decode (my $decname = $filename);
1146	warn sprintf "saving %s (%d,%d)\n",	1287	trace sprintf "saving %s (%d,%d)\n",
1147	$decname, length $$rdata, scalar @$objs;	1288	$decname, length $$rdata, scalar @$objs
		1289	if $VERBOSE_IO;
1148		1290
1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1291	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1150	aio_chmod $fh, SAVE_MODE;	1292	aio_chmod $fh, SAVE_MODE;
1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1293	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1152	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	}
1153	aio_close $fh;	1298	aio_close $fh;
1154		1299
1155	if (@$objs) {	1300	if (@$objs) {
1156	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) {
1157	aio_chmod $fh, SAVE_MODE;	1302	aio_chmod $fh, SAVE_MODE;
1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1303	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1159	aio_write $fh, 0, (length $data), $data, 0;	1304	aio_write $fh, 0, (length $data), $data, 0;
1160	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	}
1161	aio_close $fh;	1309	aio_close $fh;
1162	aio_rename "$filename.pst~", "$filename.pst";	1310	aio_rename "$filename.pst~", "$filename.pst";
1163	}	1311	}
1164	} else {	1312	} else {
1165	aio_unlink "$filename.pst";	1313	aio_unlink "$filename.pst";
1166	}	1314	}
1167		1315
1168	aio_rename "$filename~", $filename;	1316	aio_rename "$filename~", $filename;
		1317
		1318	$filename =~ s%/[^/]+$%%;
		1319	aio_pathsync $filename if $cf::USE_FSYNC;
1169	} else {	1320	} else {
1170	warn "FATAL: $filename~: $!\n";	1321	error "unable to save objects: $filename~: $!\n";
1171	}	1322	}
1172	} else {	1323	} else {
1173	aio_unlink $filename;	1324	aio_unlink $filename;
1174	aio_unlink "$filename.pst";	1325	aio_unlink "$filename.pst";
1175	}	1326	}
…		…
1199	my $st = eval { Coro::Storable::thaw $av };	1350	my $st = eval { Coro::Storable::thaw $av };
1200	$av = $st->{objs};	1351	$av = $st->{objs};
1201	}	1352	}
1202		1353
1203	utf8::decode (my $decname = $filename);	1354	utf8::decode (my $decname = $filename);
1204	warn sprintf "loading %s (%d,%d)\n",	1355	trace sprintf "loading %s (%d,%d)\n",
1205	$decname, length $data, scalar @{$av || []};	1356	$decname, length $data, scalar @{$av || []}
		1357	if $VERBOSE_IO;
1206		1358
1207	($data, $av)	1359	($data, $av)
1208	}	1360	}
1209		1361
1210	=head2 COMMAND CALLBACKS	1362	=head2 COMMAND CALLBACKS
…		…
1266	my ($name, $cb) = @_;	1418	my ($name, $cb) = @_;
1267		1419
1268	$EXTICMD{$name} = $cb;	1420	$EXTICMD{$name} = $cb;
1269	}	1421	}
1270		1422
		1423	use File::Glob ();
		1424
1271	cf::player->attach (	1425	cf::player->attach (
1272	on_command => sub {	1426	on_unknown_command => sub {
1273	my ($pl, $name, $params) = @_;	1427	my ($pl, $name, $params) = @_;
1274		1428
1275	my $cb = $COMMAND{$name}	1429	my $cb = $COMMAND{$name}
1276	or return;	1430	or return;
1277		1431
…		…
1300		1454
1301	$pl->ext_reply ($reply, @reply)	1455	$pl->ext_reply ($reply, @reply)
1302	if $reply;	1456	if $reply;
1303		1457
1304	} else {	1458	} else {
1305	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1459	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1306	}	1460	}
1307		1461
1308	cf::override;	1462	cf::override;
1309	},	1463	},
1310	);	1464	);
1311		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
1312	sub load_extensions {	1479	sub load_extensions {
		1480	info "loading extensions...";
		1481
1313	cf::sync_job {	1482	cf::sync_job {
1314	my %todo;	1483	my %todo;
1315		1484
1316	for my $path (<$LIBDIR/*.ext>) {	1485	for my $path (<$LIBDIR/*.ext>) {
1317	next unless -r $path;	1486	next unless -r $path;
…		…
1335		1504
1336	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1505	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1337	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1506	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1338		1507
1339	$ext{source} =	1508	$ext{source} =
1340	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"	1509	"package $pkg; use common::sense;\n"
1341	. "#line 1 \"$path\"\n{\n"	1510	. "#line 1 \"$path\"\n{\n"
1342	. $source	1511	. $source
1343	. "\n};\n1";	1512	. "\n};\n1";
1344		1513
1345	$todo{$base} = \%ext;	1514	$todo{$base} = \%ext;
1346	}	1515	}
1347		1516
		1517	my $pass = 0;
1348	my %done;	1518	my %done;
1349	while (%todo) {	1519	while (%todo) {
1350	my $progress;	1520	my $progress;
1351		1521
		1522	++$pass;
		1523
		1524	ext:
1352	while (my ($k, $v) = each %todo) {	1525	while (my ($k, $v) = each %todo) {
1353	for (split /,\s*/, $v->{meta}{depends}) {	1526	for (split /,\s*/, $v->{meta}{depends}) {
1354	goto skip	1527	next ext
1355	unless exists $done{$_};	1528	unless exists $done{$_};
1356	}	1529	}
1357		1530
1358	warn "... loading '$k' into '$v->{pkg}'\n";	1531	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1359		1532
1360	unless (eval $v->{source}) {	1533	my $active = eval $v->{source};
		1534
		1535	if (length $@) {
1361	my $msg = $@ ? "$v->{path}: $@\n"	1536	error "$v->{path}: $@\n";
1362	: "$v->{base}: extension inactive.\n";
1363		1537
1364	if (exists $v->{meta}{mandatory}) {
1365	warn $msg;
1366	cf::cleanup "mandatory extension failed to load, exiting.";	1538	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1367	}	1539	if exists $v->{meta}{mandatory};
1368		1540
1369	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;
1370	}	1550	}
1371
1372	$done{$k} = delete $todo{$k};
1373	push @EXTS, $v->{pkg};
1374	$progress = 1;
1375	}	1551	}
1376		1552
1377	skip:	1553	unless ($progress) {
1378	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1554	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1379	unless $progress;	1555
		1556	while (my ($k, $v) = each %todo) {
		1557	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1558	if exists $v->{meta}{mandatory};
		1559	}
		1560
		1561	last;
		1562	}
1380	}	1563	}
1381	};	1564	};
1382	}	1565	}
1383		1566
1384	#############################################################################	1567	#############################################################################
1385		1568
1386	=back	1569	=back
1387		1570
1388	=head2 CORE EXTENSIONS	1571	=head2 CORE EXTENSIONS
1389		1572
1390	Functions and methods that extend core crossfire objects.	1573	Functions and methods that extend core deliantra objects.
1391		1574
1392	=cut	1575	=cut
1393		1576
1394	package cf::player;	1577	package cf::player;
1395		1578
…		…
1438		1621
1439	sub exists($) {	1622	sub exists($) {
1440	my ($login) = @_;	1623	my ($login) = @_;
1441		1624
1442	$cf::PLAYER{$login}	1625	$cf::PLAYER{$login}
1443	or cf::sync_job { !aio_stat path $login }	1626	or !aio_stat path $login
1444	}	1627	}
1445		1628
1446	sub find($) {	1629	sub find($) {
1447	return $cf::PLAYER{$_[0]} || do {	1630	return $cf::PLAYER{$_[0]} || do {
1448	my $login = $_[0];	1631	my $login = $_[0];
…		…
1468	$cf::PLAYER{$login} = $pl	1651	$cf::PLAYER{$login} = $pl
1469	}	1652	}
1470	}	1653	}
1471	}	1654	}
1472		1655
		1656	cf::player->attach (
		1657	on_load => sub {
		1658	my ($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
1473	sub save($) {	1669	sub save($) {
1474	my ($pl) = @_;	1670	my ($pl) = @_;
1475		1671
1476	return if $pl->{deny_save};	1672	return if $pl->{deny_save};
1477		1673
…		…
1482		1678
1483	aio_mkdir playerdir $pl, 0770;	1679	aio_mkdir playerdir $pl, 0770;
1484	$pl->{last_save} = $cf::RUNTIME;	1680	$pl->{last_save} = $cf::RUNTIME;
1485		1681
1486	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];
1487		1686
1488	$pl->save_pl ($path);	1687	$pl->save_pl ($path);
1489	cf::cede_to_tick;	1688	cf::cede_to_tick;
1490	}	1689	}
1491		1690
…		…
1525	my $name = $pl->ob->name;	1724	my $name = $pl->ob->name;
1526		1725
1527	$pl->{deny_save} = 1;	1726	$pl->{deny_save} = 1;
1528	$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
1529		1728
1530	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1729	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1531	$pl->deactivate;	1730	$pl->deactivate;
		1731
1532	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;
1533	$pl->ob->check_score;
1534	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1733	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1734	ext::highscore::check ($pl->ob);
		1735
1535	$pl->ns->destroy if $pl->ns;	1736	$pl->ns->destroy if $pl->ns;
1536		1737
1537	my $path = playerdir $pl;	1738	my $path = playerdir $pl;
1538	my $temp = "$path~$cf::RUNTIME~deleting~";	1739	my $temp = "$path~$cf::RUNTIME~deleting~";
1539	aio_rename $path, $temp;	1740	aio_rename $path, $temp;
…		…
1593	\@logins	1794	\@logins
1594	}	1795	}
1595		1796
1596	=item $player->maps	1797	=item $player->maps
1597		1798
		1799	=item cf::player::maps $login
		1800
1598	Returns an arrayref of map paths that are private for this	1801	Returns an arrayref of map paths that are private for this
1599	player. May block.	1802	player. May block.
1600		1803
1601	=cut	1804	=cut
1602		1805
…		…
1619	}	1822	}
1620		1823
1621	\@paths	1824	\@paths
1622	}	1825	}
1623		1826
1624	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1827	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1625		1828
1626	Expand crossfire pod fragments into protocol xml.	1829	Expand deliantra pod fragments into protocol xml.
1627		1830
1628	=item $player->ext_reply ($msgid, @msg)	1831	=item $player->ext_reply ($msgid, @msg)
1629		1832
1630	Sends an ext reply to the player.	1833	Sends an ext reply to the player.
1631		1834
…		…
1663		1866
1664	=cut	1867	=cut
1665		1868
1666	sub find_by_path($) {	1869	sub find_by_path($) {
1667	my ($path) = @_;	1870	my ($path) = @_;
		1871
		1872	$path =~ s/^~[^\/]*//; # skip ~login
1668		1873
1669	my ($match, $specificity);	1874	my ($match, $specificity);
1670		1875
1671	for my $region (list) {	1876	for my $region (list) {
1672	if ($region->{match} && $path =~ $region->{match}) {	1877	if ($region->{match} && $path =~ $region->{match}) {
…		…
1701	sub generate_random_map {	1906	sub generate_random_map {
1702	my ($self, $rmp) = @_;	1907	my ($self, $rmp) = @_;
1703		1908
1704	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
1705		1910
1706	# mit "rum" bekleckern, nicht
1707	$self->_create_random_map (	1911	$self->_create_random_map ($rmp);
1708	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1709	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1710	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1711	$rmp->{exit_on_final_map},
1712	$rmp->{xsize}, $rmp->{ysize},
1713	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1714	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1715	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1716	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1717	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1718	(cf::region::find $rmp->{region}), $rmp->{custom}
1719	)
1720	}	1912	}
1721		1913
1722	=item cf::map->register ($regex, $prio)	1914	=item cf::map->register ($regex, $prio)
1723		1915
1724	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
…		…
1729		1921
1730	sub register {	1922	sub register {
1731	my (undef, $regex, $prio) = @_;	1923	my (undef, $regex, $prio) = @_;
1732	my $pkg = caller;	1924	my $pkg = caller;
1733		1925
1734	no strict;
1735	push @{"$pkg\::ISA"}, __PACKAGE__;	1926	push @{"$pkg\::ISA"}, __PACKAGE__;
1736		1927
1737	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1928	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1738	}	1929	}
1739		1930
1740	# also paths starting with '/'	1931	# also paths starting with '/'
1741	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1932	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1742		1933
1743	sub thawer_merge {	1934	sub thawer_merge {
1744	my ($self, $merge) = @_;	1935	my ($self, $merge) = @_;
1745		1936
1746	# we have to keep some variables in memory intact	1937	# we have to keep some variables in memory intact
…		…
1751	}	1942	}
1752		1943
1753	sub normalise {	1944	sub normalise {
1754	my ($path, $base) = @_;	1945	my ($path, $base) = @_;
1755		1946
1756	$path = "$path"; # make sure its a string	1947	$path = "$path"; # make sure it's a string
1757		1948
1758	$path =~ s/\.map$//;	1949	$path =~ s/\.map$//;
1759		1950
1760	# map plan:	1951	# map plan:
1761	#	1952	#
…		…
1776	$base =~ s{[^/]+/?$}{};	1967	$base =~ s{[^/]+/?$}{};
1777	$path = "$base/$path";	1968	$path = "$base/$path";
1778	}	1969	}
1779		1970
1780	for ($path) {	1971	for ($path) {
1781	redo if s{//}{/};
1782	redo if s{/\.?/}{/};	1972	redo if s{/\.?/}{/};
1783	redo if s{/[^/]+/\.\./}{/};	1973	redo if s{/[^/]+/\.\./}{/};
1784	}	1974	}
1785		1975
1786	$path	1976	$path
…		…
1800	$self->init; # pass $1 etc.	1990	$self->init; # pass $1 etc.
1801	return $self;	1991	return $self;
1802	}	1992	}
1803	}	1993	}
1804		1994
1805	Carp::cluck "unable to resolve path '$path' (base '$base').";	1995	Carp::cluck "unable to resolve path '$path' (base '$base')";
1806	()	1996	()
1807	}	1997	}
1808		1998
		1999	# may re-bless or do other evil things
1809	sub init {	2000	sub init {
1810	my ($self) = @_;	2001	my ($self) = @_;
1811		2002
1812	$self	2003	$self
1813	}	2004	}
…		…
1842	sub uniq_path {	2033	sub uniq_path {
1843	my ($self) = @_;	2034	my ($self) = @_;
1844		2035
1845	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;	2036	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1846	"$UNIQUEDIR/$path"	2037	"$UNIQUEDIR/$path"
1847	}
1848
1849	# and all this just because we cannot iterate over
1850	# all maps in C++...
1851	sub change_all_map_light {
1852	my ($change) = @_;
1853
1854	$_->change_map_light ($change)
1855	for grep $_->outdoor, values %cf::MAP;
1856	}	2038	}
1857		2039
1858	sub decay_objects {	2040	sub decay_objects {
1859	my ($self) = @_;	2041	my ($self) = @_;
1860		2042
…		…
1942		2124
1943	sub find;	2125	sub find;
1944	sub find {	2126	sub find {
1945	my ($path, $origin) = @_;	2127	my ($path, $origin) = @_;
1946		2128
		2129	cf::cede_to_tick;
		2130
1947	$path = normalise $path, $origin && $origin->path;	2131	$path = normalise $path, $origin && $origin->path;
1948		2132
1949	cf::lock_wait "map_data:$path";#d#remove	2133	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1950	cf::lock_wait "map_find:$path";	2134	my $guard2 = cf::lock_acquire "map_find:$path";
1951		2135
1952	$cf::MAP{$path} || do {	2136	$cf::MAP{$path} || do {
1953	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1954	my $guard2 = cf::lock_acquire "map_find:$path";
1955
1956	my $map = new_from_path cf::map $path	2137	my $map = new_from_path cf::map $path
1957	or return;	2138	or return;
1958		2139
1959	$map->{last_save} = $cf::RUNTIME;	2140	$map->{last_save} = $cf::RUNTIME;
1960		2141
…		…
1972		2153
1973	$cf::MAP{$path} = $map	2154	$cf::MAP{$path} = $map
1974	}	2155	}
1975	}	2156	}
1976		2157
1977	sub pre_load { }	2158	sub pre_load { }
1978	sub post_load { }	2159	#sub post_load { } # XS
1979		2160
1980	sub load {	2161	sub load {
1981	my ($self) = @_;	2162	my ($self) = @_;
1982		2163
1983	local $self->{deny_reset} = 1; # loading can take a long time	2164	local $self->{deny_reset} = 1; # loading can take a long time
…		…
1995	$self->alloc;	2176	$self->alloc;
1996		2177
1997	$self->pre_load;	2178	$self->pre_load;
1998	cf::cede_to_tick;	2179	cf::cede_to_tick;
1999		2180
		2181	if (exists $self->{load_path}) {
2000	my $f = new_from_file cf::object::thawer $self->{load_path};	2182	my $f = new_from_file cf::object::thawer $self->{load_path};
2001	$f->skip_block;	2183	$f->skip_block;
2002	$self->_load_objects ($f)	2184	$self->_load_objects ($f)
2003	or return;	2185	or return;
2004		2186
2005	$self->post_load_original	2187	$self->post_load_original
2006	if delete $self->{load_original};	2188	if delete $self->{load_original};
2007		2189
2008	if (my $uniq = $self->uniq_path) {	2190	if (my $uniq = $self->uniq_path) {
2009	utf8::encode $uniq;	2191	utf8::encode $uniq;
2010	unless (aio_stat $uniq) {	2192	unless (aio_stat $uniq) {
2011	if (my $f = new_from_file cf::object::thawer $uniq) {	2193	if (my $f = new_from_file cf::object::thawer $uniq) {
2012	$self->clear_unique_items;	2194	$self->clear_unique_items;
2013	$self->_load_objects ($f);	2195	$self->_load_objects ($f);
2014	$f->resolve_delayed_derefs;	2196	$f->resolve_delayed_derefs;
		2197	}
2015	}	2198	}
2016	}	2199	}
2017	}
2018		2200
2019	$f->resolve_delayed_derefs;	2201	$f->resolve_delayed_derefs;
		2202	}
2020		2203
2021	cf::cede_to_tick;	2204	cf::cede_to_tick;
2022	# now do the right thing for maps	2205	# now do the right thing for maps
2023	$self->link_multipart_objects;	2206	$self->link_multipart_objects;
2024	$self->difficulty ($self->estimate_difficulty)	2207	$self->difficulty ($self->estimate_difficulty)
…		…
2028	unless ($self->{deny_activate}) {	2211	unless ($self->{deny_activate}) {
2029	$self->decay_objects;	2212	$self->decay_objects;
2030	$self->fix_auto_apply;	2213	$self->fix_auto_apply;
2031	$self->update_buttons;	2214	$self->update_buttons;
2032	cf::cede_to_tick;	2215	cf::cede_to_tick;
2033	$self->set_darkness_map;
2034	cf::cede_to_tick;
2035	$self->activate;	2216	$self->activate;
2036	}	2217	}
2037		2218
2038	$self->{last_save} = $cf::RUNTIME;	2219	$self->{last_save} = $cf::RUNTIME;
2039	$self->last_access ($cf::RUNTIME);	2220	$self->last_access ($cf::RUNTIME);
2040		2221
2041	$self->in_memory (cf::MAP_ACTIVE);	2222	$self->in_memory (cf::MAP_ACTIVE);
2042	}	2223	}
2043		2224
2044	$self->post_load;	2225	$self->post_load;
2045	}
2046		2226
		2227	1
		2228	}
		2229
		2230	# customize the map for a given player, i.e.
		2231	# return the _real_ map. used by e.g. per-player
		2232	# maps to change the path to ~playername/mappath
2047	sub customise_for {	2233	sub customise_for {
2048	my ($self, $ob) = @_;	2234	my ($self, $ob) = @_;
2049		2235
2050	return find "~" . $ob->name . "/" . $self->{path}	2236	return find "~" . $ob->name . "/" . $self->{path}
2051	if $self->per_player;	2237	if $self->per_player;
…		…
2067	or next;	2253	or next;
2068	$neigh = find $neigh, $map	2254	$neigh = find $neigh, $map
2069	or next;	2255	or next;
2070	$neigh->load;	2256	$neigh->load;
2071		2257
		2258	# now find the diagonal neighbours
2072	push @neigh,	2259	push @neigh,
2073	[$neigh->tile_path (($_ + 3) % 4), $neigh],	2260	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2074	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2261	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2075	}	2262	}
2076		2263
…		…
2083	}	2270	}
2084		2271
2085	sub find_sync {	2272	sub find_sync {
2086	my ($path, $origin) = @_;	2273	my ($path, $origin) = @_;
2087		2274
2088	cf::sync_job { find $path, $origin }	2275	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2276	if $Coro::current == $Coro::main;
		2277
		2278	find $path, $origin
2089	}	2279	}
2090		2280
2091	sub do_load_sync {	2281	sub do_load_sync {
2092	my ($map) = @_;	2282	my ($map) = @_;
2093		2283
2094	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2284	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2095	if $Coro::current == $Coro::main;	2285	if $Coro::current == $Coro::main;
2096		2286
2097	cf::sync_job { $map->load };	2287	$map->load;
2098	}	2288	}
2099		2289
2100	our %MAP_PREFETCH;	2290	our %MAP_PREFETCH;
2101	our $MAP_PREFETCHER = undef;	2291	our $MAP_PREFETCHER = undef;
2102		2292
…		…
2128	$MAP_PREFETCHER->prio (6);	2318	$MAP_PREFETCHER->prio (6);
2129		2319
2130	()	2320	()
2131	}	2321	}
2132		2322
		2323	# common code, used by both ->save and ->swapout
2133	sub save {	2324	sub _save {
2134	my ($self) = @_;	2325	my ($self) = @_;
2135
2136	my $lock = cf::lock_acquire "map_data:$self->{path}";
2137		2326
2138	$self->{last_save} = $cf::RUNTIME;	2327	$self->{last_save} = $cf::RUNTIME;
2139		2328
2140	return unless $self->dirty;	2329	return unless $self->dirty;
2141		2330
…		…
2161	} else {	2350	} else {
2162	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2351	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2163	}	2352	}
2164	}	2353	}
2165		2354
		2355	sub save {
		2356	my ($self) = @_;
		2357
		2358	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2359
		2360	$self->_save;
		2361	}
		2362
2166	sub swap_out {	2363	sub swap_out {
2167	my ($self) = @_;	2364	my ($self) = @_;
2168		2365
2169	# save first because save cedes
2170	$self->save;
2171
2172	my $lock = cf::lock_acquire "map_data:$self->{path}";	2366	my $lock = cf::lock_acquire "map_data:$self->{path}";
2173		2367
2174	return if $self->players;
2175	return if $self->in_memory != cf::MAP_ACTIVE;	2368	return if $self->in_memory != cf::MAP_ACTIVE;
2176	return if $self->{deny_save};	2369	return if $self->{deny_save};
		2370	return if $self->players;
2177		2371
		2372	# first deactivate the map and "unlink" it from the core
		2373	$self->deactivate;
		2374	$_->clear_links_to ($self) for values %cf::MAP;
2178	$self->in_memory (cf::MAP_SWAPPED);	2375	$self->in_memory (cf::MAP_SWAPPED);
		2376
		2377	# then atomically save
		2378	$self->_save;
		2379
		2380	# then free the map
		2381	$self->clear;
		2382	}
		2383
		2384	sub reset_at {
		2385	my ($self) = @_;
		2386
		2387	# TODO: safety, remove and allow resettable per-player maps
		2388	return 1e99 if $self->{deny_reset};
		2389
		2390	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2391	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2392
		2393	$time + $to
		2394	}
		2395
		2396	sub should_reset {
		2397	my ($self) = @_;
		2398
		2399	$self->reset_at <= $cf::RUNTIME
		2400	}
		2401
		2402	sub reset {
		2403	my ($self) = @_;
		2404
		2405	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2406
		2407	return if $self->players;
		2408
		2409	cf::trace "resetting map ", $self->path, "\n";
		2410
		2411	$self->in_memory (cf::MAP_SWAPPED);
		2412
		2413	# need to save uniques path
		2414	unless ($self->{deny_save}) {
		2415	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2416
		2417	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2418	if $uniq;
		2419	}
		2420
		2421	delete $cf::MAP{$self->path};
2179		2422
2180	$self->deactivate;	2423	$self->deactivate;
2181	$_->clear_links_to ($self) for values %cf::MAP;	2424	$_->clear_links_to ($self) for values %cf::MAP;
2182	$self->clear;	2425	$self->clear;
2183	}
2184
2185	sub reset_at {
2186	my ($self) = @_;
2187
2188	# TODO: safety, remove and allow resettable per-player maps
2189	return 1e99 if $self->{deny_reset};
2190
2191	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2192	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2193
2194	$time + $to
2195	}
2196
2197	sub should_reset {
2198	my ($self) = @_;
2199
2200	$self->reset_at <= $cf::RUNTIME
2201	}
2202
2203	sub reset {
2204	my ($self) = @_;
2205
2206	my $lock = cf::lock_acquire "map_data:$self->{path}";
2207
2208	return if $self->players;
2209
2210	warn "resetting map ", $self->path;
2211
2212	$self->in_memory (cf::MAP_SWAPPED);
2213
2214	# need to save uniques path
2215	unless ($self->{deny_save}) {
2216	my $uniq = $self->uniq_path; utf8::encode $uniq;
2217
2218	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2219	if $uniq;
2220	}
2221
2222	delete $cf::MAP{$self->path};
2223
2224	$self->deactivate;
2225	$_->clear_links_to ($self) for values %cf::MAP;
2226	$self->clear;
2227		2426
2228	$self->unlink_save;	2427	$self->unlink_save;
2229	$self->destroy;	2428	$self->destroy;
2230	}	2429	}
2231		2430
…		…
2239		2438
2240	delete $cf::MAP{$self->path};	2439	delete $cf::MAP{$self->path};
2241		2440
2242	$self->unlink_save;	2441	$self->unlink_save;
2243		2442
2244	bless $self, "cf::map";	2443	bless $self, "cf::map::wrap";
2245	delete $self->{deny_reset};	2444	delete $self->{deny_reset};
2246	$self->{deny_save} = 1;	2445	$self->{deny_save} = 1;
2247	$self->reset_timeout (1);	2446	$self->reset_timeout (1);
2248	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2447	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2249		2448
…		…
2306	: normalise $_	2505	: normalise $_
2307	} @{ aio_readdir $UNIQUEDIR or [] }	2506	} @{ aio_readdir $UNIQUEDIR or [] }
2308	]	2507	]
2309	}	2508	}
2310		2509
		2510	=item cf::map::static_maps
		2511
		2512	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2513	file in the shared directory excluding F</styles> and F</editor>). May
		2514	block.
		2515
		2516	=cut
		2517
		2518	sub static_maps() {
		2519	my @dirs = "";
		2520	my @maps;
		2521
		2522	while (@dirs) {
		2523	my $dir = shift @dirs;
		2524
		2525	next if $dir eq "/styles" || $dir eq "/editor";
		2526
		2527	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2528	or return;
		2529
		2530	for (@$files) {
		2531	s/\.map$// or next;
		2532	utf8::decode $_;
		2533	push @maps, "$dir/$_";
		2534	}
		2535
		2536	push @dirs, map "$dir/$_", @$dirs;
		2537	}
		2538
		2539	\@maps
		2540	}
		2541
2311	=back	2542	=back
2312		2543
2313	=head3 cf::object	2544	=head3 cf::object
2314		2545
2315	=cut	2546	=cut
…		…
2380		2611
2381	our $SAY_CHANNEL = {	2612	our $SAY_CHANNEL = {
2382	id => "say",	2613	id => "say",
2383	title => "Map",	2614	title => "Map",
2384	reply => "say ",	2615	reply => "say ",
2385	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",	2616	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2386	};	2617	};
2387		2618
2388	our $CHAT_CHANNEL = {	2619	our $CHAT_CHANNEL = {
2389	id => "chat",	2620	id => "chat",
2390	title => "Chat",	2621	title => "Chat",
…		…
2445		2676
2446	=item $player_object->enter_link	2677	=item $player_object->enter_link
2447		2678
2448	Freezes the player and moves him/her to a special map (C<{link}>).	2679	Freezes the player and moves him/her to a special map (C<{link}>).
2449		2680
2450	The player should be reasonably safe there for short amounts of time. You	2681	The player should be reasonably safe there for short amounts of time (e.g.
2451	I<MUST> call C<leave_link> as soon as possible, though.	2682	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2683	though, as the player cannot control the character while it is on the link
		2684	map.
2452		2685
2453	Will never block.	2686	Will never block.
2454		2687
2455	=item $player_object->leave_link ($map, $x, $y)	2688	=item $player_object->leave_link ($map, $x, $y)
2456		2689
…		…
2476	sub cf::object::player::enter_link {	2709	sub cf::object::player::enter_link {
2477	my ($self) = @_;	2710	my ($self) = @_;
2478		2711
2479	$self->deactivate_recursive;	2712	$self->deactivate_recursive;
2480		2713
		2714	++$self->{_link_recursion};
		2715
2481	return if UNIVERSAL::isa $self->map, "ext::map_link";	2716	return if UNIVERSAL::isa $self->map, "ext::map_link";
2482		2717
2483	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2718	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2484	if $self->map && $self->map->{path} ne "{link}";	2719	if $self->map && $self->map->{path} ne "{link}";
2485		2720
2486	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2721	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2487	}	2722	}
2488		2723
2489	sub cf::object::player::leave_link {	2724	sub cf::object::player::leave_link {
2490	my ($self, $map, $x, $y) = @_;	2725	my ($self, $map, $x, $y) = @_;
2491		2726
…		…
2508	($x, $y) = (-1, -1)	2743	($x, $y) = (-1, -1)
2509	unless (defined $x) && (defined $y);	2744	unless (defined $x) && (defined $y);
2510		2745
2511	# use -1 or undef as default coordinates, not 0, 0	2746	# use -1 or undef as default coordinates, not 0, 0
2512	($x, $y) = ($map->enter_x, $map->enter_y)	2747	($x, $y) = ($map->enter_x, $map->enter_y)
2513	if $x <=0 && $y <= 0;	2748	if $x <= 0 && $y <= 0;
2514		2749
2515	$map->load;	2750	$map->load;
2516	$map->load_neighbours;	2751	$map->load_neighbours;
2517		2752
2518	return unless $self->contr->active;	2753	return unless $self->contr->active;
2519	$self->activate_recursive;
2520		2754
2521	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2755	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2522	$self->enter_map ($map, $x, $y);	2756	if ($self->enter_map ($map, $x, $y)) {
2523	}	2757	# entering was successful
		2758	delete $self->{_link_recursion};
		2759	# only activate afterwards, to support waiting in hooks
		2760	$self->activate_recursive;
		2761	}
2524		2762
		2763	}
		2764
2525	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2765	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2526		2766
2527	Moves the player to the given map-path and coordinates by first freezing	2767	Moves the player to the given map-path and coordinates by first freezing
2528	her, loading and preparing them map, calling the provided $check callback	2768	her, loading and preparing them map, calling the provided $check callback
2529	that has to return the map if sucecssful, and then unfreezes the player on	2769	that has to return the map if sucecssful, and then unfreezes the player on
2530	the new (success) or old (failed) map position. In either case, $done will	2770	the new (success) or old (failed) map position. In either case, $done will
…		…
2537		2777
2538	our $GOTOGEN;	2778	our $GOTOGEN;
2539		2779
2540	sub cf::object::player::goto {	2780	sub cf::object::player::goto {
2541	my ($self, $path, $x, $y, $check, $done) = @_;	2781	my ($self, $path, $x, $y, $check, $done) = @_;
		2782
		2783	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2784	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2785	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2786	($path, $x, $y) = @$EMERGENCY_POSITION;
		2787	}
2542		2788
2543	# do generation counting so two concurrent goto's will be executed in-order	2789	# do generation counting so two concurrent goto's will be executed in-order
2544	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2790	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2545		2791
2546	$self->enter_link;	2792	$self->enter_link;
…		…
2570	my $map = eval {	2816	my $map = eval {
2571	my $map = defined $path ? cf::map::find $path : undef;	2817	my $map = defined $path ? cf::map::find $path : undef;
2572		2818
2573	if ($map) {	2819	if ($map) {
2574	$map = $map->customise_for ($self);	2820	$map = $map->customise_for ($self);
2575	$map = $check->($map) if $check && $map;	2821	$map = $check->($map, $x, $y, $self) if $check && $map;
2576	} else {	2822	} else {
2577	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2823	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2578	}	2824	}
2579		2825
2580	$map	2826	$map
…		…
2588	if ($gen == $self->{_goto_generation}) {	2834	if ($gen == $self->{_goto_generation}) {
2589	delete $self->{_goto_generation};	2835	delete $self->{_goto_generation};
2590	$self->leave_link ($map, $x, $y);	2836	$self->leave_link ($map, $x, $y);
2591	}	2837	}
2592		2838
2593	$done->() if $done;	2839	$done->($self) if $done;
2594	})->prio (1);	2840	})->prio (1);
2595	}	2841	}
2596		2842
2597	=item $player_object->enter_exit ($exit_object)	2843	=item $player_object->enter_exit ($exit_object)
2598		2844
…		…
2686	$self->contr->savebed ($map, $x, $y)	2932	$self->contr->savebed ($map, $x, $y)
2687	if $exit->flag (cf::FLAG_DAMNED);	2933	if $exit->flag (cf::FLAG_DAMNED);
2688		2934
2689	1	2935	1
2690	}) {	2936	}) {
2691	$self->message ("Something went wrong deep within the crossfire server. "	2937	$self->message ("Something went wrong deep within the deliantra server. "
2692	. "I'll try to bring you back to the map you were before. "	2938	. "I'll try to bring you back to the map you were before. "
2693	. "Please report this to the dungeon master!",	2939	. "Please report this to the dungeon master!",
2694	cf::NDI_UNIQUE | cf::NDI_RED);	2940	cf::NDI_UNIQUE | cf::NDI_RED);
2695		2941
2696	warn "ERROR in enter_exit: $@";	2942	error "ERROR in enter_exit: $@";
2697	$self->leave_link;	2943	$self->leave_link;
2698	}	2944	}
2699	})->prio (1);	2945	})->prio (1);
2700	}	2946	}
2701		2947
…		…
2713	sub cf::client::send_drawinfo {	2959	sub cf::client::send_drawinfo {
2714	my ($self, $text, $flags) = @_;	2960	my ($self, $text, $flags) = @_;
2715		2961
2716	utf8::encode $text;	2962	utf8::encode $text;
2717	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2963	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2964	}
		2965
		2966	=item $client->send_big_packet ($pkt)
		2967
		2968	Like C<send_packet>, but tries to compress large packets, and fragments
		2969	them as required.
		2970
		2971	=cut
		2972
		2973	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2974
		2975	sub cf::client::send_big_packet {
		2976	my ($self, $pkt) = @_;
		2977
		2978	# try lzf for large packets
		2979	$pkt = "lzf " . Compress::LZF::compress $pkt
		2980	if 1024 <= length $pkt and $self->{can_lzf};
		2981
		2982	# split very large packets
		2983	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2984	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2985	$pkt = "frag";
		2986	}
		2987
		2988	$self->send_packet ($pkt);
2718	}	2989	}
2719		2990
2720	=item $client->send_msg ($channel, $msg, $color, [extra...])	2991	=item $client->send_msg ($channel, $msg, $color, [extra...])
2721		2992
2722	Send a drawinfo or msg packet to the client, formatting the msg for the	2993	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2726		2997
2727	=cut	2998	=cut
2728		2999
2729	# non-persistent channels (usually the info channel)	3000	# non-persistent channels (usually the info channel)
2730	our %CHANNEL = (	3001	our %CHANNEL = (
		3002	"c/motd" => {
		3003	id => "infobox",
		3004	title => "MOTD",
		3005	reply => undef,
		3006	tooltip => "The message of the day",
		3007	},
2731	"c/identify" => {	3008	"c/identify" => {
2732	id => "infobox",	3009	id => "infobox",
2733	title => "Identify",	3010	title => "Identify",
2734	reply => undef,	3011	reply => undef,
2735	tooltip => "Items recently identified",	3012	tooltip => "Items recently identified",
…		…
2737	"c/examine" => {	3014	"c/examine" => {
2738	id => "infobox",	3015	id => "infobox",
2739	title => "Examine",	3016	title => "Examine",
2740	reply => undef,	3017	reply => undef,
2741	tooltip => "Signs and other items you examined",	3018	tooltip => "Signs and other items you examined",
		3019	},
		3020	"c/shopinfo" => {
		3021	id => "infobox",
		3022	title => "Shop Info",
		3023	reply => undef,
		3024	tooltip => "What your bargaining skill tells you about the shop",
2742	},	3025	},
2743	"c/book" => {	3026	"c/book" => {
2744	id => "infobox",	3027	id => "infobox",
2745	title => "Book",	3028	title => "Book",
2746	reply => undef,	3029	reply => undef,
…		…
2762	id => "infobox",	3045	id => "infobox",
2763	title => "Body Parts",	3046	title => "Body Parts",
2764	reply => undef,	3047	reply => undef,
2765	tooltip => "Shows which body parts you posess and are available",	3048	tooltip => "Shows which body parts you posess and are available",
2766	},	3049	},
		3050	"c/statistics" => {
		3051	id => "infobox",
		3052	title => "Statistics",
		3053	reply => undef,
		3054	tooltip => "Shows your primary statistics",
		3055	},
		3056	"c/skills" => {
		3057	id => "infobox",
		3058	title => "Skills",
		3059	reply => undef,
		3060	tooltip => "Shows your experience per skill and item power",
		3061	},
		3062	"c/shopitems" => {
		3063	id => "infobox",
		3064	title => "Shop Items",
		3065	reply => undef,
		3066	tooltip => "Shows the items currently for sale in this shop",
		3067	},
		3068	"c/resistances" => {
		3069	id => "infobox",
		3070	title => "Resistances",
		3071	reply => undef,
		3072	tooltip => "Shows your resistances",
		3073	},
		3074	"c/pets" => {
		3075	id => "infobox",
		3076	title => "Pets",
		3077	reply => undef,
		3078	tooltip => "Shows information abotu your pets/a specific pet",
		3079	},
		3080	"c/perceiveself" => {
		3081	id => "infobox",
		3082	title => "Perceive Self",
		3083	reply => undef,
		3084	tooltip => "You gained detailed knowledge about yourself",
		3085	},
2767	"c/uptime" => {	3086	"c/uptime" => {
2768	id => "infobox",	3087	id => "infobox",
2769	title => "Uptime",	3088	title => "Uptime",
2770	reply => undef,	3089	reply => undef,
2771	tooltip => "How long the server has been running since last restart",	3090	tooltip => "How long the server has been running since last restart",
…		…
2780	id => "party",	3099	id => "party",
2781	title => "Party",	3100	title => "Party",
2782	reply => "gsay ",	3101	reply => "gsay ",
2783	tooltip => "Messages and chat related to your party",	3102	tooltip => "Messages and chat related to your party",
2784	},	3103	},
		3104	"c/death" => {
		3105	id => "death",
		3106	title => "Death",
		3107	reply => undef,
		3108	tooltip => "Reason for and more info about your most recent death",
		3109	},
		3110	"c/say" => $SAY_CHANNEL,
		3111	"c/chat" => $CHAT_CHANNEL,
2785	);	3112	);
2786		3113
2787	sub cf::client::send_msg {	3114	sub cf::client::send_msg {
2788	my ($self, $channel, $msg, $color, @extra) = @_;	3115	my ($self, $channel, $msg, $color, @extra) = @_;
2789		3116
2790	$msg = $self->pl->expand_cfpod ($msg);	3117	$msg = $self->pl->expand_cfpod ($msg)
		3118	unless $color & cf::NDI_VERBATIM;
2791		3119
2792	$color &= cf::NDI_CLIENT_MASK; # just in case...	3120	$color &= cf::NDI_CLIENT_MASK; # just in case...
2793		3121
2794	# check predefined channels, for the benefit of C	3122	# check predefined channels, for the benefit of C
2795	if ($CHANNEL{$channel}) {	3123	if ($CHANNEL{$channel}) {
2796	$channel = $CHANNEL{$channel};	3124	$channel = $CHANNEL{$channel};
2797		3125
2798	$self->ext_msg (channel_info => $channel)	3126	$self->ext_msg (channel_info => $channel);
2799	if $self->can_msg;
2800
2801	$channel = $channel->{id};	3127	$channel = $channel->{id};
2802		3128
2803	} elsif (ref $channel) {	3129	} elsif (ref $channel) {
2804	# send meta info to client, if not yet sent	3130	# send meta info to client, if not yet sent
2805	unless (exists $self->{channel}{$channel->{id}}) {	3131	unless (exists $self->{channel}{$channel->{id}}) {
2806	$self->{channel}{$channel->{id}} = $channel;	3132	$self->{channel}{$channel->{id}} = $channel;
2807	$self->ext_msg (channel_info => $channel)	3133	$self->ext_msg (channel_info => $channel);
2808	if $self->can_msg;
2809	}	3134	}
2810		3135
2811	$channel = $channel->{id};	3136	$channel = $channel->{id};
2812	}	3137	}
2813		3138
2814	return unless @extra || length $msg;	3139	return unless @extra || length $msg;
2815		3140
2816	if ($self->can_msg) {
2817	# default colour, mask it out	3141	# default colour, mask it out
2818	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3142	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2819	if $color & cf::NDI_DEF;	3143	if $color & cf::NDI_DEF;
2820		3144
2821	my $pkt = "msg "	3145	my $pkt = "msg "
2822	. $self->{json_coder}->encode (	3146	. $self->{json_coder}->encode (
2823	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]	3147	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2824	);	3148	);
2825		3149
2826	# try lzf for large packets
2827	$pkt = "lzf " . Compress::LZF::compress $pkt
2828	if 1024 <= length $pkt and $self->{can_lzf};
2829
2830	# split very large packets
2831	if (8192 < length $pkt and $self->{can_lzf}) {
2832	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2833	$pkt = "frag";
2834	}
2835
2836	$self->send_packet ($pkt);	3150	$self->send_big_packet ($pkt);
2837	} else {
2838	if ($color >= 0) {
2839	# replace some tags by gcfclient-compatible ones
2840	for ($msg) {
2841	1 while
2842	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2843	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2844	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2845	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2846	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2847	}
2848
2849	$color &= cf::NDI_COLOR_MASK;
2850
2851	utf8::encode $msg;
2852
2853	if (0 && $msg =~ /\[/) {
2854	# COMMAND/INFO
2855	$self->send_packet ("drawextinfo $color 10 8 $msg")
2856	} else {
2857	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2858	$self->send_packet ("drawinfo $color $msg")
2859	}
2860	}
2861	}
2862	}	3151	}
2863		3152
2864	=item $client->ext_msg ($type, @msg)	3153	=item $client->ext_msg ($type, @msg)
2865		3154
2866	Sends an ext event to the client.	3155	Sends an ext event to the client.
…		…
2869		3158
2870	sub cf::client::ext_msg($$@) {	3159	sub cf::client::ext_msg($$@) {
2871	my ($self, $type, @msg) = @_;	3160	my ($self, $type, @msg) = @_;
2872		3161
2873	if ($self->extcmd == 2) {	3162	if ($self->extcmd == 2) {
2874	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3163	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2875	} elsif ($self->extcmd == 1) { # TODO: remove	3164	} elsif ($self->extcmd == 1) { # TODO: remove
2876	push @msg, msgtype => "event_$type";	3165	push @msg, msgtype => "event_$type";
2877	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3166	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2878	}	3167	}
2879	}	3168	}
2880		3169
2881	=item $client->ext_reply ($msgid, @msg)	3170	=item $client->ext_reply ($msgid, @msg)
2882		3171
…		…
2886		3175
2887	sub cf::client::ext_reply($$@) {	3176	sub cf::client::ext_reply($$@) {
2888	my ($self, $id, @msg) = @_;	3177	my ($self, $id, @msg) = @_;
2889		3178
2890	if ($self->extcmd == 2) {	3179	if ($self->extcmd == 2) {
2891	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3180	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2892	} elsif ($self->extcmd == 1) {	3181	} elsif ($self->extcmd == 1) {
2893	#TODO: version 1, remove	3182	#TODO: version 1, remove
2894	unshift @msg, msgtype => "reply", msgid => $id;	3183	unshift @msg, msgtype => "reply", msgid => $id;
2895	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3184	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2896	}	3185	}
2897	}	3186	}
2898		3187
2899	=item $success = $client->query ($flags, "text", \&cb)	3188	=item $success = $client->query ($flags, "text", \&cb)
2900		3189
…		…
2971		3260
2972	$ns->ext_reply ($reply, @reply)	3261	$ns->ext_reply ($reply, @reply)
2973	if $reply;	3262	if $reply;
2974		3263
2975	} else {	3264	} else {
2976	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3265	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2977	}	3266	}
2978		3267
2979	cf::override;	3268	cf::override;
2980	},	3269	},
2981	);	3270	);
…		…
3001		3290
3002	$coro	3291	$coro
3003	}	3292	}
3004		3293
3005	cf::client->attach (	3294	cf::client->attach (
3006	on_destroy => sub {	3295	on_client_destroy => sub {
3007	my ($ns) = @_;	3296	my ($ns) = @_;
3008		3297
3009	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3298	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
3010	},	3299	},
3011	);	3300	);
…		…
3027	our $safe_hole = new Safe::Hole;	3316	our $safe_hole = new Safe::Hole;
3028		3317
3029	$SIG{FPE} = 'IGNORE';	3318	$SIG{FPE} = 'IGNORE';
3030		3319
3031	$safe->permit_only (Opcode::opset qw(	3320	$safe->permit_only (Opcode::opset qw(
3032	:base_core :base_mem :base_orig :base_math	3321	:base_core :base_mem :base_orig :base_math :base_loop
3033	grepstart grepwhile mapstart mapwhile	3322	grepstart grepwhile mapstart mapwhile
3034	sort time	3323	sort time
3035	));	3324	));
3036		3325
3037	# here we export the classes and methods available to script code	3326	# here we export the classes and methods available to script code
…		…
3041	The following functions and methods are available within a safe environment:	3330	The following functions and methods are available within a safe environment:
3042		3331
3043	cf::object	3332	cf::object
3044	contr pay_amount pay_player map x y force_find force_add destroy	3333	contr pay_amount pay_player map x y force_find force_add destroy
3045	insert remove name archname title slaying race decrease split	3334	insert remove name archname title slaying race decrease split
		3335	value
3046		3336
3047	cf::object::player	3337	cf::object::player
3048	player	3338	player
3049		3339
3050	cf::player	3340	cf::player
…		…
3056	=cut	3346	=cut
3057		3347
3058	for (	3348	for (
3059	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3349	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3060	insert remove inv nrof name archname title slaying race	3350	insert remove inv nrof name archname title slaying race
3061	decrease split destroy change_exp)],	3351	decrease split destroy change_exp value msg lore send_msg)],
3062	["cf::object::player" => qw(player)],	3352	["cf::object::player" => qw(player)],
3063	["cf::player" => qw(peaceful)],	3353	["cf::player" => qw(peaceful send_msg)],
3064	["cf::map" => qw(trigger)],	3354	["cf::map" => qw(trigger)],
3065	) {	3355	) {
3066	no strict 'refs';
3067	my ($pkg, @funs) = @$_;	3356	my ($pkg, @funs) = @$_;
3068	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3357	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3069	for @funs;	3358	for @funs;
3070	}	3359	}
3071		3360
…		…
3086		3375
3087	my $qcode = $code;	3376	my $qcode = $code;
3088	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3377	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3089	$qcode =~ s/\n/\\n/g;	3378	$qcode =~ s/\n/\\n/g;
3090		3379
		3380	%vars = (_dummy => 0) unless %vars;
		3381
		3382	my @res;
3091	local $_;	3383	local $_;
3092	local @safe::cf::_safe_eval_args = values %vars;
3093		3384
3094	my $eval =	3385	my $eval =
3095	"do {\n"	3386	"do {\n"
3096	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3387	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3097	. "#line 0 \"{$qcode}\"\n"	3388	. "#line 0 \"{$qcode}\"\n"
3098	. $code	3389	. $code
3099	. "\n}"	3390	. "\n}"
3100	;	3391	;
3101		3392
		3393	if ($CFG{safe_eval}) {
3102	sub_generation_inc;	3394	sub_generation_inc;
		3395	local @safe::cf::_safe_eval_args = values %vars;
3103	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3396	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3104	sub_generation_inc;	3397	sub_generation_inc;
		3398	} else {
		3399	local @cf::_safe_eval_args = values %vars;
		3400	@res = wantarray ? eval eval : scalar eval $eval;
		3401	}
3105		3402
3106	if ($@) {	3403	if ($@) {
3107	warn "$@";	3404	warn "$@",
3108	warn "while executing safe code '$code'\n";	3405	"while executing safe code '$code'\n",
3109	warn "with arguments " . (join " ", %vars) . "\n";	3406	"with arguments " . (join " ", %vars) . "\n";
3110	}	3407	}
3111		3408
3112	wantarray ? @res : $res[0]	3409	wantarray ? @res : $res[0]
3113	}	3410	}
3114		3411
…		…
3128	=cut	3425	=cut
3129		3426
3130	sub register_script_function {	3427	sub register_script_function {
3131	my ($fun, $cb) = @_;	3428	my ($fun, $cb) = @_;
3132		3429
3133	no strict 'refs';	3430	$fun = "safe::$fun" if $CFG{safe_eval};
3134	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3431	*$fun = $safe_hole->wrap ($cb);
3135	}	3432	}
3136		3433
3137	=back	3434	=back
3138		3435
3139	=cut	3436	=cut
…		…
3148	# for this (global event?)	3445	# for this (global event?)
3149	%ext::player_env::MUSIC_FACE_CACHE = ();	3446	%ext::player_env::MUSIC_FACE_CACHE = ();
3150		3447
3151	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3448	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3152		3449
3153	warn "loading facedata from $path\n";	3450	trace "loading facedata from $path\n";
3154		3451
3155	my $facedata;	3452	my $facedata = decode_storable load_file $path;
3156	0 < aio_load $path, $facedata
3157	or die "$path: $!";
3158
3159	$facedata = Coro::Storable::thaw $facedata;
3160		3453
3161	$facedata->{version} == 2	3454	$facedata->{version} == 2
3162	or cf::cleanup "$path: version mismatch, cannot proceed.";	3455	or cf::cleanup "$path: version mismatch, cannot proceed.";
3163		3456
3164	# patch in the exptable	3457	# patch in the exptable
		3458	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3165	$facedata->{resource}{"res/exp_table"} = {	3459	$facedata->{resource}{"res/exp_table"} = {
3166	type => FT_RSRC,	3460	type => FT_RSRC,
3167	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3461	data => $exp_table,
		3462	hash => (Digest::MD5::md5 $exp_table),
3168	};	3463	};
3169	cf::cede_to_tick;	3464	cf::cede_to_tick;
3170		3465
3171	{	3466	{
3172	my $faces = $facedata->{faceinfo};	3467	my $faces = $facedata->{faceinfo};
…		…
3174	while (my ($face, $info) = each %$faces) {	3469	while (my ($face, $info) = each %$faces) {
3175	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3470	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3176		3471
3177	cf::face::set_visibility $idx, $info->{visibility};	3472	cf::face::set_visibility $idx, $info->{visibility};
3178	cf::face::set_magicmap $idx, $info->{magicmap};	3473	cf::face::set_magicmap $idx, $info->{magicmap};
3179	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3474	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3180	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3475	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3476	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
3181		3477
3182	cf::cede_to_tick;	3478	cf::cede_to_tick;
3183	}	3479	}
3184		3480
3185	while (my ($face, $info) = each %$faces) {	3481	while (my ($face, $info) = each %$faces) {
…		…
3190		3486
3191	if (my $smooth = cf::face::find $info->{smooth}) {	3487	if (my $smooth = cf::face::find $info->{smooth}) {
3192	cf::face::set_smooth $idx, $smooth;	3488	cf::face::set_smooth $idx, $smooth;
3193	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3489	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3194	} else {	3490	} else {
3195	warn "smooth face '$info->{smooth}' not found for face '$face'";	3491	error "smooth face '$info->{smooth}' not found for face '$face'";
3196	}	3492	}
3197		3493
3198	cf::cede_to_tick;	3494	cf::cede_to_tick;
3199	}	3495	}
3200	}	3496	}
…		…
3209		3505
3210	cf::anim::invalidate_all; # d'oh	3506	cf::anim::invalidate_all; # d'oh
3211	}	3507	}
3212		3508
3213	{	3509	{
3214	# TODO: for gcfclient pleasure, we should give resources
3215	# that gcfclient doesn't grok a >10000 face index.
3216	my $res = $facedata->{resource};	3510	my $res = $facedata->{resource};
3217		3511
3218	while (my ($name, $info) = each %$res) {	3512	while (my ($name, $info) = each %$res) {
3219	if (defined $info->{type}) {	3513	if (defined $info->{type}) {
3220	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3514	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3221	my $data;
3222		3515
3223	if ($info->{type} & 1) {	3516	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3224	# prepend meta info
3225
3226	my $meta = $enc->encode ({
3227	name => $name,
3228	%{ $info->{meta} || {} },
3229	});
3230
3231	$data = pack "(w/a*)*", $meta, $info->{data};
3232	} else {
3233	$data = $info->{data};
3234	}
3235
3236	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3237	cf::face::set_type $idx, $info->{type};	3517	cf::face::set_type $idx, $info->{type};
3238	} else {	3518	} else {
3239	$RESOURCE{$name} = $info;	3519	$RESOURCE{$name} = $info; # unused
3240	}	3520	}
3241		3521
3242	cf::cede_to_tick;	3522	cf::cede_to_tick;
3243	}	3523	}
3244	}	3524	}
3245		3525
3246	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);	3526	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3247		3527
3248	1	3528	1
3249	}	3529	}
3250
3251	cf::global->attach (on_resource_update => sub {
3252	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3253	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3254
3255	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3256	my $sound = $soundconf->{compat}[$_]
3257	or next;
3258
3259	my $face = cf::face::find "sound/$sound->[1]";
3260	cf::sound::set $sound->[0] => $face;
3261	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3262	}
3263
3264	while (my ($k, $v) = each %{$soundconf->{event}}) {
3265	my $face = cf::face::find "sound/$v";
3266	cf::sound::set $k => $face;
3267	}
3268	}
3269	});
3270		3530
3271	register_exticmd fx_want => sub {	3531	register_exticmd fx_want => sub {
3272	my ($ns, $want) = @_;	3532	my ($ns, $want) = @_;
3273		3533
3274	while (my ($k, $v) = each %$want) {	3534	while (my ($k, $v) = each %$want) {
…		…
3313	sub reload_treasures {	3573	sub reload_treasures {
3314	load_resource_file "$DATADIR/treasures"	3574	load_resource_file "$DATADIR/treasures"
3315	or die "unable to load treasurelists\n";	3575	or die "unable to load treasurelists\n";
3316	}	3576	}
3317		3577
		3578	sub reload_sound {
		3579	trace "loading sound config from $DATADIR/sound\n";
		3580
		3581	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3582
		3583	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3584	my $sound = $soundconf->{compat}[$_]
		3585	or next;
		3586
		3587	my $face = cf::face::find "sound/$sound->[1]";
		3588	cf::sound::set $sound->[0] => $face;
		3589	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3590	}
		3591
		3592	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3593	my $face = cf::face::find "sound/$v";
		3594	cf::sound::set $k => $face;
		3595	}
		3596	}
		3597
3318	sub reload_resources {	3598	sub reload_resources {
3319	warn "reloading resource files...\n";	3599	trace "reloading resource files...\n";
3320		3600
		3601	reload_exp_table;
		3602	reload_materials;
3321	reload_facedata;	3603	reload_facedata;
		3604	reload_sound;
3322	reload_archetypes;	3605	reload_archetypes;
3323	reload_regions;	3606	reload_regions;
3324	reload_treasures;	3607	reload_treasures;
3325		3608
3326	warn "finished reloading resource files\n";	3609	trace "finished reloading resource files\n";
3327	}
3328
3329	sub init {
3330	my $guard = freeze_mainloop;
3331
3332	evthread_start IO::AIO::poll_fileno;
3333
3334	reload_resources;
3335	}	3610	}
3336		3611
3337	sub reload_config {	3612	sub reload_config {
3338	open my $fh, "<:utf8", "$CONFDIR/config"	3613	trace "reloading config file...\n";
3339	or return;
3340		3614
3341	local $/;	3615	my $config = load_file "$CONFDIR/config";
3342	*CFG = YAML::Load <$fh>;	3616	utf8::decode $config;
		3617	*CFG = decode_yaml $config;
3343		3618
3344	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3619	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3345		3620
3346	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3621	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3347	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3622	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3348		3623
3349	if (exists $CFG{mlockall}) {	3624	if (exists $CFG{mlockall}) {
…		…
3353	};	3628	};
3354	warn $@ if $@;	3629	warn $@ if $@;
3355	}	3630	}
3356	}	3631	}
3357		3632
		3633	sub pidfile() {
		3634	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3635	or die "$PIDFILE: $!";
		3636	flock $fh, &Fcntl::LOCK_EX
		3637	or die "$PIDFILE: flock: $!";
		3638	$fh
		3639	}
		3640
		3641	# make sure only one server instance is running at any one time
		3642	sub atomic {
		3643	my $fh = pidfile;
		3644
		3645	my $pid = <$fh>;
		3646	kill 9, $pid if $pid > 0;
		3647
		3648	seek $fh, 0, 0;
		3649	print $fh $$;
		3650	}
		3651
		3652	sub main_loop {
		3653	trace "EV::loop starting\n";
		3654	if (1) {
		3655	EV::loop;
		3656	}
		3657	trace "EV::loop returned\n";
		3658	goto &main_loop unless $REALLY_UNLOOP;
		3659	}
		3660
3358	sub main {	3661	sub main {
		3662	cf::init_globals; # initialise logging
		3663
		3664	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3665	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3666	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3667	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3668
		3669	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3670
3359	# we must not ever block the main coroutine	3671	# we must not ever block the main coroutine
3360	local $Coro::idle = sub {	3672	local $Coro::idle = sub {
3361	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3673	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3362	(async {	3674	(async {
3363	$Coro::current->{desc} = "IDLE BUG HANDLER";	3675	$Coro::current->{desc} = "IDLE BUG HANDLER";
3364	EV::loop EV::LOOP_ONESHOT;	3676	EV::loop EV::LOOP_ONESHOT;
3365	})->prio (Coro::PRIO_MAX);	3677	})->prio (Coro::PRIO_MAX);
3366	};	3678	};
3367		3679
3368	{	3680	evthread_start IO::AIO::poll_fileno;
3369	my $guard = freeze_mainloop;	3681
		3682	cf::sync_job {
		3683	cf::incloader::init ();
		3684
		3685	cf::init_anim;
		3686	cf::init_attackmess;
		3687	cf::init_dynamic;
		3688
		3689	cf::load_settings;
		3690
		3691	reload_resources;
3370	reload_config;	3692	reload_config;
3371	db_init;	3693	db_init;
		3694
		3695	cf::init_uuid;
		3696	cf::init_signals;
		3697	cf::init_skills;
		3698
		3699	cf::init_beforeplay;
		3700
		3701	atomic;
		3702
3372	load_extensions;	3703	load_extensions;
3373		3704
3374	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3705	utime time, time, $RUNTIMEFILE;
		3706
		3707	# no (long-running) fork's whatsoever before this point(!)
		3708	use POSIX ();
		3709	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3710
		3711	cf::_post_init 0;
3375	}	3712	};
3376		3713
3377	EV::loop;	3714	cf::object::thawer::errors_are_fatal 0;
		3715	info "parse errors in files are no longer fatal from this point on.\n";
		3716
		3717	my $free_main; $free_main = EV::idle sub {
		3718	undef $free_main;
		3719	undef &main; # free gobs of memory :)
		3720	};
		3721
		3722	goto &main_loop;
3378	}	3723	}
3379		3724
3380	#############################################################################	3725	#############################################################################
3381	# initialisation and cleanup	3726	# initialisation and cleanup
3382		3727
3383	# install some emergency cleanup handlers	3728	# install some emergency cleanup handlers
3384	BEGIN {	3729	BEGIN {
3385	our %SIGWATCHER = ();	3730	our %SIGWATCHER = ();
3386	for my $signal (qw(INT HUP TERM)) {	3731	for my $signal (qw(INT HUP TERM)) {
3387	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3732	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3388	cf::cleanup "SIG$signal";	3733	cf::cleanup "SIG$signal";
3389	};	3734	};
3390	}	3735	}
3391	}	3736	}
3392		3737
3393	sub write_runtime_sync {	3738	sub write_runtime_sync {
3394	my $runtime = "$LOCALDIR/runtime";	3739	my $t0 = AE::time;
3395		3740
3396	# first touch the runtime file to show we are still running:	3741	# first touch the runtime file to show we are still running:
3397	# the fsync below can take a very very long time.	3742	# the fsync below can take a very very long time.
3398		3743
3399	IO::AIO::aio_utime $runtime, undef, undef;	3744	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3400		3745
3401	my $guard = cf::lock_acquire "write_runtime";	3746	my $guard = cf::lock_acquire "write_runtime";
3402		3747
3403	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3748	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3404	or return;	3749	or return;
3405		3750
3406	my $value = $cf::RUNTIME + 90 + 10;	3751	my $value = $cf::RUNTIME + 90 + 10;
3407	# 10 is the runtime save interval, for a monotonic clock	3752	# 10 is the runtime save interval, for a monotonic clock
3408	# 60 allows for the watchdog to kill the server.	3753	# 60 allows for the watchdog to kill the server.
…		…
3418	aio_utime $fh, undef, undef;	3763	aio_utime $fh, undef, undef;
3419		3764
3420	close $fh	3765	close $fh
3421	or return;	3766	or return;
3422		3767
3423	aio_rename "$runtime~", $runtime	3768	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3424	and return;	3769	and return;
3425		3770
3426	warn "runtime file written.\n";	3771	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3427		3772
3428	1	3773	1
3429	}	3774	}
3430		3775
3431	our $uuid_lock;	3776	our $uuid_lock;
…		…
3440	my $uuid = "$LOCALDIR/uuid";	3785	my $uuid = "$LOCALDIR/uuid";
3441		3786
3442	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644	3787	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3443	or return;	3788	or return;
3444		3789
3445	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;	3790	my $value = uuid_seq uuid_cur;
		3791
		3792	unless ($value) {
		3793	info "cowardly refusing to write zero uuid value!\n";
		3794	return;
		3795	}
		3796
		3797	my $value = uuid_str $value + $uuid_skip;
3446	$uuid_skip = 0;	3798	$uuid_skip = 0;
3447		3799
3448	(aio_write $fh, 0, (length $value), $value, 0) <= 0	3800	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3449	and return;	3801	and return;
3450		3802
…		…
3456	or return;	3808	or return;
3457		3809
3458	aio_rename "$uuid~", $uuid	3810	aio_rename "$uuid~", $uuid
3459	and return;	3811	and return;
3460		3812
3461	warn "uuid file written ($value).\n";	3813	trace "uuid file written ($value).\n";
3462		3814
3463	1	3815	1
3464		3816
3465	}	3817	}
3466		3818
…		…
3472	}	3824	}
3473		3825
3474	sub emergency_save() {	3826	sub emergency_save() {
3475	my $freeze_guard = cf::freeze_mainloop;	3827	my $freeze_guard = cf::freeze_mainloop;
3476		3828
3477	warn "enter emergency perl save\n";	3829	info "emergency_perl_save: enter\n";
		3830
		3831	# this is a trade-off: we want to be very quick here, so
		3832	# save all maps without fsync, and later call a global sync
		3833	# (which in turn might be very very slow)
		3834	local $USE_FSYNC = 0;
3478		3835
3479	cf::sync_job {	3836	cf::sync_job {
		3837	cf::write_runtime_sync; # external watchdog should not bark
		3838
3480	# use a peculiar iteration method to avoid tripping on perl	3839	# use a peculiar iteration method to avoid tripping on perl
3481	# refcount bugs in for. also avoids problems with players	3840	# refcount bugs in for. also avoids problems with players
3482	# and maps saved/destroyed asynchronously.	3841	# and maps saved/destroyed asynchronously.
3483	warn "begin emergency player save\n";	3842	info "emergency_perl_save: begin player save\n";
3484	for my $login (keys %cf::PLAYER) {	3843	for my $login (keys %cf::PLAYER) {
3485	my $pl = $cf::PLAYER{$login} or next;	3844	my $pl = $cf::PLAYER{$login} or next;
3486	$pl->valid or next;	3845	$pl->valid or next;
3487	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3846	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3488	$pl->save;	3847	$pl->save;
3489	}	3848	}
3490	warn "end emergency player save\n";	3849	info "emergency_perl_save: end player save\n";
3491		3850
3492	warn "begin emergency map save\n";	3851	cf::write_runtime_sync; # external watchdog should not bark
		3852
		3853	info "emergency_perl_save: begin map save\n";
3493	for my $path (keys %cf::MAP) {	3854	for my $path (keys %cf::MAP) {
3494	my $map = $cf::MAP{$path} or next;	3855	my $map = $cf::MAP{$path} or next;
3495	$map->valid or next;	3856	$map->valid or next;
3496	$map->save;	3857	$map->save;
3497	}	3858	}
3498	warn "end emergency map save\n";	3859	info "emergency_perl_save: end map save\n";
3499		3860
3500	warn "begin emergency database checkpoint\n";	3861	cf::write_runtime_sync; # external watchdog should not bark
		3862
		3863	info "emergency_perl_save: begin database checkpoint\n";
3501	BDB::db_env_txn_checkpoint $DB_ENV;	3864	BDB::db_env_txn_checkpoint $DB_ENV;
3502	warn "end emergency database checkpoint\n";	3865	info "emergency_perl_save: end database checkpoint\n";
3503		3866
3504	warn "begin write uuid\n";	3867	info "emergency_perl_save: begin write uuid\n";
3505	write_uuid_sync 1;	3868	write_uuid_sync 1;
3506	warn "end write uuid\n";	3869	info "emergency_perl_save: end write uuid\n";
		3870
		3871	cf::write_runtime_sync; # external watchdog should not bark
		3872
		3873	trace "emergency_perl_save: syncing database to disk";
		3874	BDB::db_env_txn_checkpoint $DB_ENV;
		3875
		3876	info "emergency_perl_save: starting sync\n";
		3877	IO::AIO::aio_sync sub {
		3878	info "emergency_perl_save: finished sync\n";
		3879	};
		3880
		3881	cf::write_runtime_sync; # external watchdog should not bark
		3882
		3883	trace "emergency_perl_save: flushing outstanding aio requests";
		3884	while (IO::AIO::nreqs || BDB::nreqs) {
		3885	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3886	}
		3887
		3888	cf::write_runtime_sync; # external watchdog should not bark
3507	};	3889	};
3508		3890
3509	warn "leave emergency perl save\n";	3891	info "emergency_perl_save: leave\n";
3510	}	3892	}
3511		3893
3512	sub post_cleanup {	3894	sub post_cleanup {
3513	my ($make_core) = @_;	3895	my ($make_core) = @_;
3514		3896
		3897	IO::AIO::flush;
		3898
3515	warn Carp::longmess "post_cleanup backtrace"	3899	error Carp::longmess "post_cleanup backtrace"
3516	if $make_core;	3900	if $make_core;
		3901
		3902	my $fh = pidfile;
		3903	unlink $PIDFILE if <$fh> == $$;
3517	}	3904	}
3518		3905
3519	# a safer delete_package, copied from Symbol	3906	# a safer delete_package, copied from Symbol
3520	sub clear_package($) {	3907	sub clear_package($) {
3521	my $pkg = shift;	3908	my $pkg = shift;
…		…
3537	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};	3924	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3538	for my $name (keys %$leaf_symtab) {	3925	for my $name (keys %$leaf_symtab) {
3539	_gv_clear *{"$pkg$name"};	3926	_gv_clear *{"$pkg$name"};
3540	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};	3927	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3541	}	3928	}
3542	warn "cleared package #$pkg\n";#d#
3543	}	3929	}
3544
3545	our $RELOAD; # how many times to reload
3546		3930
3547	sub do_reload_perl() {	3931	sub do_reload_perl() {
3548	# can/must only be called in main	3932	# can/must only be called in main
3549	if ($Coro::current != $Coro::main) {	3933	unless (in_main) {
3550	warn "can only reload from main coroutine";	3934	error "can only reload from main coroutine";
3551	return;	3935	return;
3552	}	3936	}
3553		3937
3554	return if $RELOAD++;	3938	return if $RELOAD++;
3555		3939
		3940	my $t1 = AE::time;
		3941
3556	while ($RELOAD) {	3942	while ($RELOAD) {
3557	warn "reloading...";	3943	cf::get_slot 0.1, -1, "reload_perl";
		3944	info "perl_reload: reloading...";
3558		3945
3559	warn "entering sync_job";	3946	trace "perl_reload: entering sync_job";
3560		3947
3561	cf::sync_job {	3948	cf::sync_job {
3562	cf::write_runtime_sync; # external watchdog should not bark
3563	cf::emergency_save;	3949	#cf::emergency_save;
3564	cf::write_runtime_sync; # external watchdog should not bark
3565		3950
3566	warn "syncing database to disk";
3567	BDB::db_env_txn_checkpoint $DB_ENV;
3568
3569	# if anything goes wrong in here, we should simply crash as we already saved
3570
3571	warn "flushing outstanding aio requests";
3572	while (IO::AIO::nreqs || BDB::nreqs) {
3573	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3574	}
3575
3576	warn "cancelling all extension coros";	3951	trace "perl_reload: cancelling all extension coros";
3577	$_->cancel for values %EXT_CORO;	3952	$_->cancel for values %EXT_CORO;
3578	%EXT_CORO = ();	3953	%EXT_CORO = ();
3579		3954
3580	warn "removing commands";	3955	trace "perl_reload: removing commands";
3581	%COMMAND = ();	3956	%COMMAND = ();
3582		3957
3583	warn "removing ext/exti commands";	3958	trace "perl_reload: removing ext/exti commands";
3584	%EXTCMD = ();	3959	%EXTCMD = ();
3585	%EXTICMD = ();	3960	%EXTICMD = ();
3586		3961
3587	warn "unloading/nuking all extensions";	3962	trace "perl_reload: unloading/nuking all extensions";
3588	for my $pkg (@EXTS) {	3963	for my $pkg (@EXTS) {
3589	warn "... unloading $pkg";	3964	trace "... unloading $pkg";
3590		3965
3591	if (my $cb = $pkg->can ("unload")) {	3966	if (my $cb = $pkg->can ("unload")) {
3592	eval {	3967	eval {
3593	$cb->($pkg);	3968	$cb->($pkg);
3594	1	3969	1
3595	} or warn "$pkg unloaded, but with errors: $@";	3970	} or error "$pkg unloaded, but with errors: $@";
3596	}	3971	}
3597		3972
3598	warn "... clearing $pkg";	3973	trace "... clearing $pkg";
3599	clear_package $pkg;	3974	clear_package $pkg;
3600	}	3975	}
3601		3976
3602	warn "unloading all perl modules loaded from $LIBDIR";	3977	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3603	while (my ($k, $v) = each %INC) {	3978	while (my ($k, $v) = each %INC) {
3604	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3979	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3605		3980
3606	warn "... unloading $k";	3981	trace "... unloading $k";
3607	delete $INC{$k};	3982	delete $INC{$k};
3608		3983
3609	$k =~ s/\.pm$//;	3984	$k =~ s/\.pm$//;
3610	$k =~ s/\//::/g;	3985	$k =~ s/\//::/g;
3611		3986
…		…
3614	}	3989	}
3615		3990
3616	clear_package $k;	3991	clear_package $k;
3617	}	3992	}
3618		3993
3619	warn "getting rid of safe::, as good as possible";	3994	trace "perl_reload: getting rid of safe::, as good as possible";
3620	clear_package "safe::$_"	3995	clear_package "safe::$_"
3621	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3996	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3622		3997
3623	warn "unloading cf.pm \"a bit\"";	3998	trace "perl_reload: unloading cf.pm \"a bit\"";
3624	delete $INC{"cf.pm"};	3999	delete $INC{"cf.pm"};
3625	delete $INC{"cf/pod.pm"};	4000	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3626		4001
3627	# don't, removes xs symbols, too,	4002	# don't, removes xs symbols, too,
3628	# and global variables created in xs	4003	# and global variables created in xs
3629	#clear_package __PACKAGE__;	4004	#clear_package __PACKAGE__;
3630		4005
3631	warn "unload completed, starting to reload now";	4006	info "perl_reload: unload completed, starting to reload now";
3632		4007
3633	warn "reloading cf.pm";	4008	trace "perl_reload: reloading cf.pm";
3634	require cf;	4009	require cf;
3635	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4010	cf::_connect_to_perl_1;
3636		4011
3637	warn "loading config and database again";	4012	trace "perl_reload: loading config and database again";
3638	cf::reload_config;	4013	cf::reload_config;
3639		4014
3640	warn "loading extensions";	4015	trace "perl_reload: loading extensions";
3641	cf::load_extensions;	4016	cf::load_extensions;
3642		4017
		4018	if ($REATTACH_ON_RELOAD) {
3643	warn "reattaching attachments to objects/players";	4019	trace "perl_reload: reattaching attachments to objects/players";
3644	_global_reattach; # objects, sockets	4020	_global_reattach; # objects, sockets
3645	warn "reattaching attachments to maps";	4021	trace "perl_reload: reattaching attachments to maps";
3646	reattach $_ for values %MAP;	4022	reattach $_ for values %MAP;
3647	warn "reattaching attachments to players";	4023	trace "perl_reload: reattaching attachments to players";
3648	reattach $_ for values %PLAYER;	4024	reattach $_ for values %PLAYER;
		4025	}
3649		4026
3650	warn "leaving sync_job";	4027	cf::_post_init 1;
		4028
		4029	trace "perl_reload: leaving sync_job";
3651		4030
3652	1	4031	1
3653	} or do {	4032	} or do {
3654	warn $@;	4033	error $@;
3655	cf::cleanup "error while reloading, exiting.";	4034	cf::cleanup "perl_reload: error, exiting.";
3656	};	4035	};
3657		4036
3658	warn "reloaded";
3659	--$RELOAD;	4037	--$RELOAD;
3660	}	4038	}
		4039
		4040	$t1 = AE::time - $t1;
		4041	info "perl_reload: completed in ${t1}s\n";
3661	};	4042	};
3662		4043
3663	our $RELOAD_WATCHER; # used only during reload	4044	our $RELOAD_WATCHER; # used only during reload
3664		4045
3665	sub reload_perl() {	4046	sub reload_perl() {
3666	# doing reload synchronously and two reloads happen back-to-back,	4047	# doing reload synchronously and two reloads happen back-to-back,
3667	# coro crashes during coro_state_free->destroy here.	4048	# coro crashes during coro_state_free->destroy here.
3668		4049
		4050	$RELOAD_WATCHER ||= cf::async {
		4051	Coro::AIO::aio_wait cache_extensions;
		4052
3669	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	4053	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3670	do_reload_perl;	4054	do_reload_perl;
3671	undef $RELOAD_WATCHER;	4055	undef $RELOAD_WATCHER;
		4056	};
3672	};	4057	};
3673	}	4058	}
3674		4059
3675	register_command "reload" => sub {	4060	register_command "reload" => sub {
3676	my ($who, $arg) = @_;	4061	my ($who, $arg) = @_;
…		…
3682	reload_perl;	4067	reload_perl;
3683	};	4068	};
3684	}	4069	}
3685	};	4070	};
3686		4071
3687	unshift @INC, $LIBDIR;	4072	#############################################################################
3688		4073
3689	my $bug_warning = 0;	4074	my $bug_warning = 0;
3690		4075
3691	our @WAIT_FOR_TICK;	4076	our @WAIT_FOR_TICK;
3692	our @WAIT_FOR_TICK_BEGIN;	4077	our @WAIT_FOR_TICK_BEGIN;
3693		4078
3694	sub wait_for_tick {	4079	sub wait_for_tick() {
3695	return if tick_inhibit || $Coro::current == $Coro::main;	4080	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3696		4081
3697	my $signal = new Coro::Signal;	4082	my $signal = new Coro::Signal;
3698	push @WAIT_FOR_TICK, $signal;	4083	push @WAIT_FOR_TICK, $signal;
3699	$signal->wait;	4084	$signal->wait;
3700	}	4085	}
3701		4086
3702	sub wait_for_tick_begin {	4087	sub wait_for_tick_begin() {
3703	return if tick_inhibit || $Coro::current == $Coro::main;	4088	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3704		4089
3705	my $signal = new Coro::Signal;	4090	my $signal = new Coro::Signal;
3706	push @WAIT_FOR_TICK_BEGIN, $signal;	4091	push @WAIT_FOR_TICK_BEGIN, $signal;
3707	$signal->wait;	4092	$signal->wait;
3708	}	4093	}
…		…
3714	return;	4099	return;
3715	}	4100	}
3716		4101
3717	cf::server_tick; # one server iteration	4102	cf::server_tick; # one server iteration
3718		4103
		4104	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4105
3719	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4106	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3720	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	4107	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3721	Coro::async_pool {	4108	Coro::async_pool {
3722	$Coro::current->{desc} = "runtime saver";	4109	$Coro::current->{desc} = "runtime saver";
3723	write_runtime_sync	4110	write_runtime_sync
3724	or warn "ERROR: unable to write runtime file: $!";	4111	or error "ERROR: unable to write runtime file: $!";
3725	};	4112	};
3726	}	4113	}
3727		4114
3728	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4115	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3729	$sig->send;	4116	$sig->send;
…		…
3737		4124
3738	if (0) {	4125	if (0) {
3739	if ($NEXT_TICK) {	4126	if ($NEXT_TICK) {
3740	my $jitter = $TICK_START - $NEXT_TICK;	4127	my $jitter = $TICK_START - $NEXT_TICK;
3741	$JITTER = $JITTER * 0.75 + $jitter * 0.25;	4128	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
3742	warn "jitter $JITTER\n";#d#	4129	debug "jitter $JITTER\n";#d#
3743	}	4130	}
3744	}	4131	}
3745	}	4132	}
3746		4133
3747	{	4134	{
3748	# configure BDB	4135	# configure BDB
3749		4136
3750	BDB::min_parallel 8;	4137	BDB::min_parallel 16;
3751	BDB::max_poll_reqs $TICK * 0.1;	4138	BDB::max_poll_reqs $TICK * 0.1;
3752	$AnyEvent::BDB::WATCHER->priority (1);	4139	$AnyEvent::BDB::WATCHER->priority (1);
3753		4140
3754	unless ($DB_ENV) {	4141	unless ($DB_ENV) {
3755	$DB_ENV = BDB::db_env_create;	4142	$DB_ENV = BDB::db_env_create;
…		…
3792	IO::AIO::min_parallel 8;	4179	IO::AIO::min_parallel 8;
3793	IO::AIO::max_poll_time $TICK * 0.1;	4180	IO::AIO::max_poll_time $TICK * 0.1;
3794	undef $AnyEvent::AIO::WATCHER;	4181	undef $AnyEvent::AIO::WATCHER;
3795	}	4182	}
3796		4183
3797	my $_log_backtrace;	4184	our $_log_backtrace;
		4185	our $_log_backtrace_last;
3798		4186
3799	sub _log_backtrace {	4187	sub _log_backtrace {
3800	my ($msg, @addr) = @_;	4188	my ($msg, @addr) = @_;
3801		4189
3802	$msg =~ s/\n//;	4190	$msg =~ s/\n$//;
3803		4191
		4192	if ($_log_backtrace_last eq $msg) {
		4193	LOG llevInfo, "[ABT] $msg\n";
		4194	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3804	# limit the # of concurrent backtraces	4195	# limit the # of concurrent backtraces
3805	if ($_log_backtrace < 2) {	4196	} elsif ($_log_backtrace < 2) {
		4197	$_log_backtrace_last = $msg;
3806	++$_log_backtrace;	4198	++$_log_backtrace;
		4199	my $perl_bt = Carp::longmess $msg;
3807	async {	4200	async {
3808	$Coro::current->{desc} = "abt $msg";	4201	$Coro::current->{desc} = "abt $msg";
3809		4202
3810	my @bt = fork_call {	4203	my @bt = fork_call {
3811	@addr = map { sprintf "%x", $_ } @addr;	4204	@addr = map { sprintf "%x", $_ } @addr;
…		…
3822	}	4215	}
3823		4216
3824	@funcs	4217	@funcs
3825	};	4218	};
3826		4219
3827	LOG llevInfo, "[ABT] $msg\n";	4220	LOG llevInfo, "[ABT] $perl_bt\n";
		4221	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3828	LOG llevInfo, "[ABT] $_\n" for @bt;	4222	LOG llevInfo, "[ABT] $_\n" for @bt;
3829	--$_log_backtrace;	4223	--$_log_backtrace;
3830	};	4224	};
3831	} else {	4225	} else {
3832	LOG llevInfo, "[ABT] $msg\n";	4226	LOG llevInfo, "[ABT] $msg\n";
3833	LOG llevInfo, "[ABT] [suppressed]\n";	4227	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3834	}	4228	}
3835	}	4229	}
3836		4230
3837	# load additional modules	4231	# load additional modules
3838	use cf::pod;	4232	require "cf/$_.pm" for @EXTRA_MODULES;
		4233	cf::_connect_to_perl_2;
3839		4234
3840	END { cf::emergency_save }	4235	END { cf::emergency_save }
3841		4236
3842	1	4237	1
3843		4238

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