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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.375 by root, Sun Sep 30 20:22:21 2007 UTC vs.
Revision 1.568 by root, Tue May 3 17:12:14 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.64 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
24	use Coro::Util ();	51	use Coro::Util ();
25		52
26	use JSON::XS ();	53	use JSON::XS 2.01 ();
27	use BDB ();	54	use BDB ();
28	use Data::Dumper;	55	use Data::Dumper;
29	use Digest::MD5;
30	use Fcntl;	56	use Fcntl;
31	use YAML::Syck ();	57	use YAML::XS ();
32	use IO::AIO 2.32 ();	58	use IO::AIO ();
33	use Time::HiRes;	59	use Time::HiRes;
34	use Compress::LZF;	60	use Compress::LZF;
35	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
36		64
37	# configure various modules to our taste	65	# configure various modules to our taste
38	#	66	#
39	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
40	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";
41	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
42		75
43	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
44		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		78
50	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;
51		82
52	our %COMMAND = ();	83	our %COMMAND = ();
53	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
54		85
55	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
56	our %EXTCMD = ();	87	our %EXTCMD = ();
57	our %EXTICMD = ();	88	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
60		91
61	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
63		96
64	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
65	our $DATADIR = datadir;	99	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
69	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		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;
75		120
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	123	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
83		125
84	our $BDB_POLL_WATCHER;
85	our $BDB_DEADLOCK_WATCHER;	126	our $BDB_DEADLOCK_WATCHER;
86	our $BDB_CHECKPOINT_WATCHER;	127	our $BDB_CHECKPOINT_WATCHER;
87	our $BDB_TRICKLE_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
88	our $DB_ENV;	129	our $DB_ENV;
89		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		132
90	our %CFG;	133	our %CFG;
91		134
92	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
93	our $RUNTIME;	136	our $RUNTIME;
		137	our $NOW;
94		138
95	our (%PLAYER, %PLAYER_LOADING); # all users	139	our (%PLAYER, %PLAYER_LOADING); # all users
96	our (%MAP, %MAP_LOADING ); # all maps	140	our (%MAP, %MAP_LOADING ); # all maps
97	our $LINK_MAP; # the special {link} map, which is always available	141	our $LINK_MAP; # the special {link} map, which is always available
98		142
99	# used to convert map paths into valid unix filenames by replacing / by ∕	143	# used to convert map paths into valid unix filenames by replacing / by ∕
100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	144	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
101		145
102	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)
103	our $LOADAVG; # same thing, but with alpha-smoothing	147	our $LOADAVG; # same thing, but with alpha-smoothing
		148	our $JITTER; # average jitter
104	our $tick_start; # for load detecting purposes	149	our $TICK_START; # for load detecting purposes
		150
		151	our @POST_INIT;
		152
		153	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		154	our $REALLY_UNLOOP; # never set to true, please :)
105		155
106	binmode STDOUT;	156	binmode STDOUT;
107	binmode STDERR;	157	binmode STDERR;
108		158
109	# read virtual server time, if available	159	# read virtual server time, if available
110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	160	unless ($RUNTIME || !-e $RUNTIMEFILE) {
111	open my $fh, "<", "$LOCALDIR/runtime"	161	open my $fh, "<", $RUNTIMEFILE
112	or die "unable to read runtime file: $!";	162	or die "unable to read $RUNTIMEFILE file: $!";
113	$RUNTIME = <$fh> + 0.;	163	$RUNTIME = <$fh> + 0.;
114	}	164	}
		165
		166	eval "sub TICK() { $TICK } 1" or die;
115		167
116	mkdir $_	168	mkdir $_
117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	169	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
118		170
119	our $EMERGENCY_POSITION;	171	our $EMERGENCY_POSITION;
120		172
121	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::"} };
122		189
123	#############################################################################	190	#############################################################################
124		191
125	=head2 GLOBAL VARIABLES	192	=head2 GLOBAL VARIABLES
126		193
…		…
162		229
163	The raw value load value from the last tick.	230	The raw value load value from the last tick.
164		231
165	=item %cf::CFG	232	=item %cf::CFG
166		233
167	Configuration for the server, loaded from C</etc/crossfire/config>, or	234	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
168	from wherever your confdir points to.	235	from wherever your confdir points to.
169		236
170	=item cf::wait_for_tick, cf::wait_for_tick_begin	237	=item cf::wait_for_tick, cf::wait_for_tick_begin
171		238
172	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
173	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
174	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.
175		242
		243	=cut
		244
		245	sub wait_for_tick();
		246	sub wait_for_tick_begin();
		247
176	=item @cf::INVOKE_RESULTS	248	=item @cf::INVOKE_RESULTS
177		249
178	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
179	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
180	that call.	252	that call.
181		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
182	=back	260	=back
183		261
184	=cut	262	=cut
185		263
186	BEGIN {	264	sub error(@) { LOG llevError, join "", @_ }
187	*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 {
188	my $msg = join "", @_;	271	my $msg = join "", @_;
189		272
190	$msg .= "\n"	273	$msg .= "\n"
191	unless $msg =~ /\n$/;	274	unless $msg =~ /\n$/;
192		275
193	$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;
194		277
195	LOG llevError, $msg;	278	LOG llevWarn, $msg;
196	};	279	};
197	}	280
		281	$Coro::State::DIEHOOK = sub {
		282	return unless $^S eq 0; # "eq", not "=="
		283
		284	error Carp::longmess $_[0];
		285
		286	if (in_main) {#d#
		287	error "DIEHOOK called in main context, Coro bug?\n";#d#
		288	return;#d#
		289	}#d#
		290
		291	# kill coroutine otherwise
		292	Coro::terminate
		293	};
198		294
199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	295	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	296	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	297	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	298	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
209	for my $pkg (qw(	305	for my $pkg (qw(
210	cf::global cf::attachable	306	cf::global cf::attachable
211	cf::object cf::object::player	307	cf::object cf::object::player
212	cf::client cf::player	308	cf::client cf::player
213	cf::arch cf::living	309	cf::arch cf::living
		310	cf::map cf::mapspace
214	cf::map cf::party cf::region	311	cf::party cf::region
215	)) {	312	)) {
216	no strict 'refs';
217	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	313	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
218	}	314	}
219		315
220	$Event::DIED = sub {	316	$EV::DIED = sub {
221	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
222	};	318	};
		319
		320	#############################################################################
		321
		322	sub fork_call(&@);
		323	sub get_slot($;$$);
223		324
224	#############################################################################	325	#############################################################################
225		326
226	=head2 UTILITY FUNCTIONS	327	=head2 UTILITY FUNCTIONS
227		328
…		…
248	$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;
249	$d	350	$d
250	} || "[unable to dump $_[0]: '$@']";	351	} || "[unable to dump $_[0]: '$@']";
251	}	352	}
252		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
253	=item $ref = cf::from_json $json	368	=item $ref = cf::decode_json $json
254		369
255	Converts a JSON string into the corresponding perl data structure.	370	Converts a JSON string into the corresponding perl data structure.
256		371
257	=item $json = cf::to_json $ref	372	=item $json = cf::encode_json $ref
258		373
259	Converts a perl data structure into its JSON representation.	374	Converts a perl data structure into its JSON representation.
260		375
261	=cut	376	=cut
262		377
263	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
264		379
265	sub to_json ($) { $json_coder->encode ($_[0]) }	380	sub encode_json($) { $json_coder->encode ($_[0]) }
266	sub from_json ($) { $json_coder->decode ($_[0]) }	381	sub decode_json($) { $json_coder->decode ($_[0]) }
		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	}
267		444
268	=item cf::lock_wait $string	445	=item cf::lock_wait $string
269		446
270	Wait until the given lock is available. See cf::lock_acquire.	447	Wait until the given lock is available. See cf::lock_acquire.
271		448
272	=item my $lock = cf::lock_acquire $string	449	=item my $lock = cf::lock_acquire $string
273		450
274	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
275	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,
276	for example when the coroutine gets canceled), the lock is automatically	453	for example when the coroutine gets canceled), the lock is automatically
277	returned.	454	returned.
278		455
279	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
280	deadlocked coro.	457	deadlocked coro.
…		…
286		463
287	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.
288		465
289	=cut	466	=cut
290		467
291	our %LOCK;	468	our $LOCKS = new Coro::SemaphoreSet;
292	our %LOCKER;#d#
293		469
294	sub lock_wait($) {	470	sub lock_wait($) {
295	my ($key) = @_;	471	$LOCKS->wait ($_[0]);
296
297	if ($LOCKER{$key} == $Coro::current) {#d#
298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
299	return;#d#
300	}#d#
301
302	# wait for lock, if any
303	while ($LOCK{$key}) {
304	push @{ $LOCK{$key} }, $Coro::current;
305	Coro::schedule;
306	}
307	}	472	}
308		473
309	sub lock_acquire($) {	474	sub lock_acquire($) {
310	my ($key) = @_;	475	$LOCKS->guard ($_[0])
311
312	# wait, to be sure we are not locked
313	lock_wait $key;
314
315	$LOCK{$key} = [];
316	$LOCKER{$key} = $Coro::current;#d#
317
318	Coro::guard {
319	delete $LOCKER{$key};#d#
320	# wake up all waiters, to be on the safe side
321	$_->ready for @{ delete $LOCK{$key} };
322	}
323	}	476	}
324		477
325	sub lock_active($) {	478	sub lock_active($) {
326	my ($key) = @_;	479	$LOCKS->count ($_[0]) < 1
327
328	! ! $LOCK{$key}
329	}	480	}
330		481
331	sub freeze_mainloop {	482	sub freeze_mainloop {
332	return unless $TICK_WATCHER->is_active;	483	tick_inhibit_inc;
333		484
334	my $guard = Coro::guard {	485	&Guard::guard (\&tick_inhibit_dec);
335	$TICK_WATCHER->start;	486	}
336	};	487
337	$TICK_WATCHER->stop;	488	=item cf::periodic $interval, $cb
338	$guard	489
		490	Like EV::periodic, but randomly selects a starting point so that the actions
		491	get spread over time.
		492
		493	=cut
		494
		495	sub periodic($$) {
		496	my ($interval, $cb) = @_;
		497
		498	my $start = rand List::Util::min 180, $interval;
		499
		500	EV::periodic $start, $interval, 0, $cb
339	}	501	}
340		502
341	=item cf::get_slot $time[, $priority[, $name]]	503	=item cf::get_slot $time[, $priority[, $name]]
342		504
343	Allocate $time seconds of blocking CPU time at priority C<$priority>:	505	Allocate $time seconds of blocking CPU time at priority C<$priority>
344	This call blocks and returns only when you have at least C<$time> seconds	506	(default: 0): This call blocks and returns only when you have at least
345	of cpu time till the next tick. The slot is only valid till the next cede.	507	C<$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.
346		512
347	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
348	used for statistical purposes and should identify the same time-class.	514	used for statistical purposes and should identify the same time-class.
349		515
350	Useful for short background jobs.	516	Useful for short background jobs.
351		517
352	=cut	518	=cut
353		519
354	our @SLOT_QUEUE;	520	our @SLOT_QUEUE;
355	our $SLOT_QUEUE;	521	our $SLOT_QUEUE;
		522	our $SLOT_DECAY = 0.9;
356		523
357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	524	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
358	$SLOT_QUEUE = Coro::async {	525	$SLOT_QUEUE = Coro::async {
359	$Coro::current->desc ("timeslot manager");	526	$Coro::current->desc ("timeslot manager");
360		527
361	my $signal = new Coro::Signal;	528	my $signal = new Coro::Signal;
		529	my $busy;
362		530
363	while () {	531	while () {
364	next_job:	532	next_job:
		533
365	my $avail = cf::till_tick;	534	my $avail = cf::till_tick;
366	if ($avail > 0.01) {	535
367	for (0 .. $#SLOT_QUEUE) {	536	for (0 .. $#SLOT_QUEUE) {
368	if ($SLOT_QUEUE[$_][0] < $avail) {	537	if ($SLOT_QUEUE[$_][0] <= $avail) {
		538	$busy = 0;
369	my $job = splice @SLOT_QUEUE, $_, 1, ();	539	my $job = splice @SLOT_QUEUE, $_, 1, ();
370	$job->[2]->send;	540	$job->[2]->send;
371	Coro::cede;	541	Coro::cede;
372	goto next_job;	542	goto next_job;
373	}	543	} else {
		544	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
374	}	545	}
375	}	546	}
376		547
377	if (@SLOT_QUEUE) {	548	if (@SLOT_QUEUE) {
378	# 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
379	push @cf::WAIT_FOR_TICK, $signal;	550	push @cf::WAIT_FOR_TICK, $signal;
380	$signal->wait;	551	$signal->wait;
381	} else {	552	} else {
		553	$busy = 0;
382	Coro::schedule;	554	Coro::schedule;
383	}	555	}
384	}	556	}
385	};	557	};
386		558
387	sub get_slot($;$$) {	559	sub get_slot($;$$) {
		560	return if tick_inhibit || $Coro::current == $Coro::main;
		561
388	my ($time, $pri, $name) = @_;	562	my ($time, $pri, $name) = @_;
389		563
390	$time = $TICK * .6 if $time > $TICK * .6;	564	$time = clamp $time, 0.01, $TICK * .6;
		565
391	my $sig = new Coro::Signal;	566	my $sig = new Coro::Signal;
392		567
393	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	568	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
394	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	569	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
395	$SLOT_QUEUE->ready;	570	$SLOT_QUEUE->ready;
…		…
406		581
407	BEGIN { *async = \&Coro::async_pool }	582	BEGIN { *async = \&Coro::async_pool }
408		583
409	=item cf::sync_job { BLOCK }	584	=item cf::sync_job { BLOCK }
410		585
411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	586	The design of Deliantra requires that the main coroutine ($Coro::main)
412	is always able to handle events or runnable, as Crossfire TRT is only	587	is always able to handle events or runnable, as Deliantra is only
413	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	588	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
414	acceptable.	589	acceptable.
415		590
416	If it must be done, put the blocking parts into C<sync_job>. This will run	591	If it must be done, put the blocking parts into C<sync_job>. This will run
417	the given BLOCK in another coroutine while waiting for the result. The	592	the given BLOCK in another coroutine while waiting for the result. The
…		…
421	=cut	596	=cut
422		597
423	sub sync_job(&) {	598	sub sync_job(&) {
424	my ($job) = @_;	599	my ($job) = @_;
425		600
426	if ($Coro::current == $Coro::main) {	601	if (in_main) {
427	my $time = Event::time;	602	my $time = AE::time;
428		603
429	# this is the main coro, too bad, we have to block	604	# this is the main coro, too bad, we have to block
430	# till the operation succeeds, freezing the server :/	605	# till the operation succeeds, freezing the server :/
431		606
432	# TODO: use suspend/resume instead	607	#LOG llevError, Carp::longmess "sync job";#d#
433	# (but this is cancel-safe)	608
434	my $freeze_guard = freeze_mainloop;	609	my $freeze_guard = freeze_mainloop;
435		610
436	my $busy = 1;	611	my $busy = 1;
437	my @res;	612	my @res;
438		613
439	(async {	614	(async {
440	$Coro::current->desc ("sync job coro");	615	$Coro::current->desc ("sync job coro");
441	@res = eval { $job->() };	616	@res = eval { $job->() };
442	warn $@ if $@;	617	error $@ if $@;
443	undef $busy;	618	undef $busy;
444	})->prio (Coro::PRIO_MAX);	619	})->prio (Coro::PRIO_MAX);
445		620
446	while ($busy) {	621	while ($busy) {
447	Coro::cede or Event::one_event;	622	if (Coro::nready) {
		623	Coro::cede_notself;
		624	} else {
		625	EV::loop EV::LOOP_ONESHOT;
448	}	626	}
		627	}
449		628
450	$time = Event::time - $time;	629	my $time = AE::time - $time;
451		630
452	LOG llevError | logBacktrace, Carp::longmess "long sync job"
453	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
454
455	$tick_start += $time; # do not account sync jobs to server load	631	$TICK_START += $time; # do not account sync jobs to server load
456		632
457	wantarray ? @res : $res[0]	633	wantarray ? @res : $res[0]
458	} else {	634	} else {
459	# we are in another coroutine, how wonderful, everything just works	635	# we are in another coroutine, how wonderful, everything just works
460		636
…		…
480	$EXT_CORO{$coro+0} = $coro;	656	$EXT_CORO{$coro+0} = $coro;
481		657
482	$coro	658	$coro
483	}	659	}
484		660
485	=item fork_call { }, $args	661	=item fork_call { }, @args
486		662
487	Executes the given code block with the given arguments in a seperate	663	Executes the given code block with the given arguments in a seperate
488	process, returning the results. Everything must be serialisable with	664	process, returning the results. Everything must be serialisable with
489	Coro::Storable. May, of course, block. Note that the executed sub may	665	Coro::Storable. May, of course, block. Note that the executed sub may
490	never block itself or use any form of Event handling.	666	never block itself or use any form of event handling.
491		667
492	=cut	668	=cut
		669
		670	sub post_fork {
		671	reset_signals;
		672	}
493		673
494	sub fork_call(&@) {	674	sub fork_call(&@) {
495	my ($cb, @args) = @_;	675	my ($cb, @args) = @_;
496		676
497	# we seemingly have to make a local copy of the whole thing,	677	# we seemingly have to make a local copy of the whole thing,
498	# otherwise perl prematurely frees the stuff :/	678	# otherwise perl prematurely frees the stuff :/
499	# TODO: investigate and fix (likely this will be rather laborious)	679	# TODO: investigate and fix (likely this will be rather laborious)
500		680
501	my @res = Coro::Util::fork_eval {	681	my @res = Coro::Util::fork_eval {
502	reset_signals;	682	cf::post_fork;
503	&$cb	683	&$cb
504	}, @args;	684	} @args;
505		685
506	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	)
		698	}
		699
		700	=item $coin = coin_from_name $name
		701
		702	=cut
		703
		704	our %coin_alias = (
		705	"silver" => "silvercoin",
		706	"silvercoin" => "silvercoin",
		707	"silvercoins" => "silvercoin",
		708	"gold" => "goldcoin",
		709	"goldcoin" => "goldcoin",
		710	"goldcoins" => "goldcoin",
		711	"platinum" => "platinacoin",
		712	"platinumcoin" => "platinacoin",
		713	"platinumcoins" => "platinacoin",
		714	"platina" => "platinacoin",
		715	"platinacoin" => "platinacoin",
		716	"platinacoins" => "platinacoin",
		717	"royalty" => "royalty",
		718	"royalties" => "royalty",
		719	);
		720
		721	sub coin_from_name($) {
		722	$coin_alias{$_[0]}
		723	? cf::arch::find $coin_alias{$_[0]}
		724	: undef
507	}	725	}
508		726
509	=item $value = cf::db_get $family => $key	727	=item $value = cf::db_get $family => $key
510		728
511	Returns a single value from the environment database.	729	Returns a single value from the environment database.
…		…
521	within each server.	739	within each server.
522		740
523	=cut	741	=cut
524		742
525	sub db_table($) {	743	sub db_table($) {
		744	cf::error "db_get called from main context"
		745	if $Coro::current == $Coro::main;
		746
526	my ($name) = @_;	747	my ($name) = @_;
527	my $db = BDB::db_create $DB_ENV;	748	my $db = BDB::db_create $DB_ENV;
528		749
529	eval {	750	eval {
530	$db->set_flags (BDB::CHKSUM);	751	$db->set_flags (BDB::CHKSUM);
…		…
540	}	761	}
541		762
542	our $DB;	763	our $DB;
543		764
544	sub db_init {	765	sub db_init {
545	cf::sync_job {
546	$DB ||= db_table "db";	766	$DB ||= db_table "db";
547	};
548	}	767	}
549		768
550	sub db_get($$) {	769	sub db_get($$) {
551	my $key = "$_[0]/$_[1]";	770	my $key = "$_[0]/$_[1]";
552		771
553	cf::sync_job {	772	cf::error "db_get called from main context"
		773	if $Coro::current == $Coro::main;
		774
554	BDB::db_get $DB, undef, $key, my $data;	775	BDB::db_get $DB, undef, $key, my $data;
555		776
556	$! ? ()	777	$! ? ()
557	: $data	778	: $data
558	}
559	}	779	}
560		780
561	sub db_put($$$) {	781	sub db_put($$$) {
562	BDB::dbreq_pri 4;	782	BDB::dbreq_pri 4;
563	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	783	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
591		811
592	my @data;	812	my @data;
593	my $md5;	813	my $md5;
594		814
595	for (0 .. $#$src) {	815	for (0 .. $#$src) {
596	0 <= aio_load $src->[$_], $data[$_]	816	$data[$_] = load_file $src->[$_];
597	or Carp::croak "$src->[$_]: $!";
598	}	817	}
599		818
600	# if processing is expensive, check	819	# if processing is expensive, check
601	# checksum first	820	# checksum first
602	if (1) {	821	if (1) {
…		…
619		838
620	my $t1 = Time::HiRes::time;	839	my $t1 = Time::HiRes::time;
621	my $data = $process->(\@data);	840	my $data = $process->(\@data);
622	my $t2 = Time::HiRes::time;	841	my $t2 = Time::HiRes::time;
623		842
624	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	843	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
625		844
626	db_put cache => "$id/data", $data;	845	db_put cache => "$id/data", $data;
627	db_put cache => "$id/md5" , $md5;	846	db_put cache => "$id/md5" , $md5;
628	db_put cache => "$id/meta", $meta;	847	db_put cache => "$id/meta", $meta;
629		848
…		…
639		858
640	=cut	859	=cut
641		860
642	sub datalog($@) {	861	sub datalog($@) {
643	my ($type, %kv) = @_;	862	my ($type, %kv) = @_;
644	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	863	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
645	}	864	}
646		865
647	=back	866	=back
648		867
649	=cut	868	=cut
650		869
651	#############################################################################	870	#############################################################################
652		871
653	=head2 ATTACHABLE OBJECTS	872	=head2 ATTACHABLE OBJECTS
654		873
655	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
656	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")
657	to it. All such attachable objects support the following methods.	876	to it. All such attachable objects support the following methods.
658		877
659	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>
660	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
661	Crossfire TRT).	880	Deliantra).
662		881
663	=over 4	882	=over 4
664		883
665	=item $attachable->attach ($attachment, key => $value...)	884	=item $attachable->attach ($attachment, key => $value...)
666		885
…		…
710	=item cf::CLASS::attachment $name, ...	929	=item cf::CLASS::attachment $name, ...
711		930
712	Register an attachment by C<$name> through which attachable objects of the	931	Register an attachment by C<$name> through which attachable objects of the
713	given CLASS can refer to this attachment.	932	given CLASS can refer to this attachment.
714		933
715	Some classes such as crossfire maps and objects can specify attachments	934	Some classes such as deliantra maps and objects can specify attachments
716	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.
717		936
718	These calls expect any number of the following handler/hook descriptions:	937	These calls expect any number of the following handler/hook descriptions:
719		938
720	=over 4	939	=over 4
…		…
844		1063
845	} elsif (exists $cb_id{$type}) {	1064	} elsif (exists $cb_id{$type}) {
846	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1065	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
847		1066
848	} elsif (ref $type) {	1067	} elsif (ref $type) {
849	warn "attaching objects not supported, ignoring.\n";	1068	error "attaching objects not supported, ignoring.\n";
850		1069
851	} else {	1070	} else {
852	shift @arg;	1071	shift @arg;
853	warn "attach argument '$type' not supported, ignoring.\n";	1072	error "attach argument '$type' not supported, ignoring.\n";
854	}	1073	}
855	}	1074	}
856	}	1075	}
857		1076
858	sub _object_attach {	1077	sub _object_attach {
…		…
868	_attach $registry, $klass, @attach;	1087	_attach $registry, $klass, @attach;
869	}	1088	}
870		1089
871	$obj->{$name} = \%arg;	1090	$obj->{$name} = \%arg;
872	} else {	1091	} else {
873	warn "object uses attachment '$name' which is not available, postponing.\n";	1092	info "object uses attachment '$name' which is not available, postponing.\n";
874	}	1093	}
875		1094
876	$obj->{_attachment}{$name} = undef;	1095	$obj->{_attachment}{$name} = undef;
877	}	1096	}
878		1097
…		…
937		1156
938	for (@$callbacks) {	1157	for (@$callbacks) {
939	eval { &{$_->[1]} };	1158	eval { &{$_->[1]} };
940		1159
941	if ($@) {	1160	if ($@) {
942	warn "$@";
943	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1161	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
944	override;	1162	override;
945	}	1163	}
946		1164
947	return 1 if $override;	1165	return 1 if $override;
948	}	1166	}
949		1167
950	0	1168	0
951	}	1169	}
952		1170
953	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1171	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
954		1172
955	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1173	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
956		1174
957	Generate an object-specific event with the given arguments.	1175	Generate an object-specific event with the given arguments.
958		1176
…		…
964		1182
965	=cut	1183	=cut
966		1184
967	#############################################################################	1185	#############################################################################
968	# object support	1186	# object support
969	#
970		1187
		1188	sub _object_equal($$);
		1189	sub _object_equal($$) {
		1190	my ($a, $b) = @_;
		1191
		1192	return 0 unless (ref $a) eq (ref $b);
		1193
		1194	if ("HASH" eq ref $a) {
		1195	my @ka = keys %$a;
		1196	my @kb = keys %$b;
		1197
		1198	return 0 if @ka != @kb;
		1199
		1200	for (0 .. $#ka) {
		1201	return 0 unless $ka[$_] eq $kb[$_];
		1202	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1203	}
		1204
		1205	} elsif ("ARRAY" eq ref $a) {
		1206
		1207	return 0 if @$a != @$b;
		1208
		1209	for (0 .. $#$a) {
		1210	return 0 unless _object_equal $a->[$_], $b->[$_];
		1211	}
		1212
		1213	} elsif ($a ne $b) {
		1214	return 0;
		1215	}
		1216
		1217	1
		1218	}
		1219
		1220	our $SLOW_MERGES;#d#
971	sub _can_merge {	1221	sub _can_merge {
972	my ($ob1, $ob2) = @_;	1222	my ($ob1, $ob2) = @_;
973		1223
974	local $Storable::canonical = 1;	1224	++$SLOW_MERGES;#d#
975	my $fob1 = Storable::freeze $ob1;
976	my $fob2 = Storable::freeze $ob2;
977		1225
978	$fob1 eq $fob2	1226	# we do the slow way here
		1227	return _object_equal $ob1, $ob2
979	}	1228	}
980		1229
981	sub reattach {	1230	sub reattach {
982	# basically do the same as instantiate, without calling instantiate	1231	# basically do the same as instantiate, without calling instantiate
983	my ($obj) = @_;	1232	my ($obj) = @_;
984		1233
		1234	# no longer needed after getting rid of delete_package?
985	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1235	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
986		1236
987	my $registry = $obj->registry;	1237	my $registry = $obj->registry;
988		1238
989	@$registry = ();	1239	@$registry = ();
990		1240
…		…
995	for (@$attach) {	1245	for (@$attach) {
996	my ($klass, @attach) = @$_;	1246	my ($klass, @attach) = @$_;
997	_attach $registry, $klass, @attach;	1247	_attach $registry, $klass, @attach;
998	}	1248	}
999	} else {	1249	} else {
1000	warn "object uses attachment '$name' that is not available, postponing.\n";	1250	info "object uses attachment '$name' that is not available, postponing.\n";
1001	}	1251	}
1002	}	1252	}
1003	}	1253	}
1004		1254
1005	cf::attachable->attach (	1255	cf::attachable->attach (
1006	prio => -1000000,	1256	prio => -1000000,
1007	on_instantiate => sub {	1257	on_instantiate => sub {
1008	my ($obj, $data) = @_;	1258	my ($obj, $data) = @_;
1009		1259
1010	$data = from_json $data;	1260	$data = decode_json $data;
1011		1261
1012	for (@$data) {	1262	for (@$data) {
1013	my ($name, $args) = @$_;	1263	my ($name, $args) = @$_;
1014		1264
1015	$obj->attach ($name, %{$args || {} });	1265	$obj->attach ($name, %{$args || {} });
…		…
1032	my ($filename, $rdata, $objs) = @_;	1282	my ($filename, $rdata, $objs) = @_;
1033		1283
1034	sync_job {	1284	sync_job {
1035	if (length $$rdata) {	1285	if (length $$rdata) {
1036	utf8::decode (my $decname = $filename);	1286	utf8::decode (my $decname = $filename);
1037	warn sprintf "saving %s (%d,%d)\n",	1287	trace sprintf "saving %s (%d,%d)\n",
1038	$decname, length $$rdata, scalar @$objs;	1288	$decname, length $$rdata, scalar @$objs
		1289	if $VERBOSE_IO;
1039		1290
1040	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1291	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1041	chmod SAVE_MODE, $fh;	1292	aio_chmod $fh, SAVE_MODE;
1042	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1293	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1043	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	}
1044	close $fh;	1298	aio_close $fh;
1045		1299
1046	if (@$objs) {	1300	if (@$objs) {
1047	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) {
1048	chmod SAVE_MODE, $fh;	1302	aio_chmod $fh, SAVE_MODE;
1049	my $data = Storable::nfreeze { version => 1, objs => $objs };	1303	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1050	aio_write $fh, 0, (length $data), $data, 0;	1304	aio_write $fh, 0, (length $data), $data, 0;
1051	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	}
1052	close $fh;	1309	aio_close $fh;
1053	aio_rename "$filename.pst~", "$filename.pst";	1310	aio_rename "$filename.pst~", "$filename.pst";
1054	}	1311	}
1055	} else {	1312	} else {
1056	aio_unlink "$filename.pst";	1313	aio_unlink "$filename.pst";
1057	}	1314	}
1058		1315
1059	aio_rename "$filename~", $filename;	1316	aio_rename "$filename~", $filename;
		1317
		1318	$filename =~ s%/[^/]+$%%;
		1319	aio_pathsync $filename if $cf::USE_FSYNC;
1060	} else {	1320	} else {
1061	warn "FATAL: $filename~: $!\n";	1321	error "unable to save objects: $filename~: $!\n";
1062	}	1322	}
1063	} else {	1323	} else {
1064	aio_unlink $filename;	1324	aio_unlink $filename;
1065	aio_unlink "$filename.pst";	1325	aio_unlink "$filename.pst";
1066	}	1326	}
…		…
1085		1345
1086	unless (aio_stat "$filename.pst") {	1346	unless (aio_stat "$filename.pst") {
1087	(aio_load "$filename.pst", $av) >= 0	1347	(aio_load "$filename.pst", $av) >= 0
1088	or return;	1348	or return;
1089		1349
1090	$av = eval { (Storable::thaw $av)->{objs} };	1350	my $st = eval { Coro::Storable::thaw $av };
		1351	$av = $st->{objs};
1091	}	1352	}
1092		1353
1093	utf8::decode (my $decname = $filename);	1354	utf8::decode (my $decname = $filename);
1094	warn sprintf "loading %s (%d,%d)\n",	1355	trace sprintf "loading %s (%d,%d)\n",
1095	$decname, length $data, scalar @{$av || []};	1356	$decname, length $data, scalar @{$av || []}
		1357	if $VERBOSE_IO;
1096		1358
1097	($data, $av)	1359	($data, $av)
1098	}	1360	}
1099		1361
1100	=head2 COMMAND CALLBACKS	1362	=head2 COMMAND CALLBACKS
…		…
1156	my ($name, $cb) = @_;	1418	my ($name, $cb) = @_;
1157		1419
1158	$EXTICMD{$name} = $cb;	1420	$EXTICMD{$name} = $cb;
1159	}	1421	}
1160		1422
		1423	use File::Glob ();
		1424
1161	cf::player->attach (	1425	cf::player->attach (
1162	on_command => sub {	1426	on_unknown_command => sub {
1163	my ($pl, $name, $params) = @_;	1427	my ($pl, $name, $params) = @_;
1164		1428
1165	my $cb = $COMMAND{$name}	1429	my $cb = $COMMAND{$name}
1166	or return;	1430	or return;
1167		1431
…		…
1190		1454
1191	$pl->ext_reply ($reply, @reply)	1455	$pl->ext_reply ($reply, @reply)
1192	if $reply;	1456	if $reply;
1193		1457
1194	} else {	1458	} else {
1195	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1459	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1196	}	1460	}
1197		1461
1198	cf::override;	1462	cf::override;
1199	},	1463	},
1200	);	1464	);
1201		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
1202	sub load_extensions {	1479	sub load_extensions {
		1480	info "loading extensions...";
		1481
1203	cf::sync_job {	1482	cf::sync_job {
1204	my %todo;	1483	my %todo;
1205		1484
1206	for my $path (<$LIBDIR/*.ext>) {	1485	for my $path (<$LIBDIR/*.ext>) {
1207	next unless -r $path;	1486	next unless -r $path;
…		…
1225		1504
1226	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1505	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1227	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1506	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1228		1507
1229	$ext{source} =	1508	$ext{source} =
1230	"package $pkg; use strict; use utf8;\n"	1509	"package $pkg; use common::sense;\n"
1231	. "#line 1 \"$path\"\n{\n"	1510	. "#line 1 \"$path\"\n{\n"
1232	. $source	1511	. $source
1233	. "\n};\n1";	1512	. "\n};\n1";
1234		1513
1235	$todo{$base} = \%ext;	1514	$todo{$base} = \%ext;
1236	}	1515	}
1237		1516
		1517	my $pass = 0;
1238	my %done;	1518	my %done;
1239	while (%todo) {	1519	while (%todo) {
1240	my $progress;	1520	my $progress;
1241		1521
		1522	++$pass;
		1523
		1524	ext:
1242	while (my ($k, $v) = each %todo) {	1525	while (my ($k, $v) = each %todo) {
1243	for (split /,\s*/, $v->{meta}{depends}) {	1526	for (split /,\s*/, $v->{meta}{depends}) {
1244	goto skip	1527	next ext
1245	unless exists $done{$_};	1528	unless exists $done{$_};
1246	}	1529	}
1247		1530
1248	warn "... loading '$k' into '$v->{pkg}'\n";	1531	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1249		1532
1250	unless (eval $v->{source}) {	1533	my $active = eval $v->{source};
		1534
		1535	if (length $@) {
1251	my $msg = $@ ? "$v->{path}: $@\n"	1536	error "$v->{path}: $@\n";
1252	: "$v->{base}: extension inactive.\n";
1253		1537
		1538	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1254	if (exists $v->{meta}{mandatory}) {	1539	if exists $v->{meta}{mandatory};
1255	warn $msg;	1540
1256	warn "mandatory extension failed to load, exiting.\n";	1541	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1257	exit 1;	1542	delete $todo{$k};
1258	}	1543	} else {
1259		1544	$done{$k} = delete $todo{$k};
1260	warn $msg;	1545	push @EXTS, $v->{pkg};
		1546	$progress = 1;
		1547
		1548	info "$v->{base}: extension inactive.\n"
		1549	unless $active;
1261	}	1550	}
1262
1263	$done{$k} = delete $todo{$k};
1264	push @EXTS, $v->{pkg};
1265	$progress = 1;
1266	}	1551	}
1267		1552
1268	skip:	1553	unless ($progress) {
1269	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1554	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1270	unless $progress;	1555
		1556	while (my ($k, $v) = each %todo) {
		1557	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1558	if exists $v->{meta}{mandatory};
		1559	}
		1560
		1561	last;
		1562	}
1271	}	1563	}
1272	};	1564	};
1273	}	1565	}
1274		1566
1275	#############################################################################	1567	#############################################################################
1276		1568
1277	=back	1569	=back
1278		1570
1279	=head2 CORE EXTENSIONS	1571	=head2 CORE EXTENSIONS
1280		1572
1281	Functions and methods that extend core crossfire objects.	1573	Functions and methods that extend core deliantra objects.
1282		1574
1283	=cut	1575	=cut
1284		1576
1285	package cf::player;	1577	package cf::player;
1286		1578
…		…
1329		1621
1330	sub exists($) {	1622	sub exists($) {
1331	my ($login) = @_;	1623	my ($login) = @_;
1332		1624
1333	$cf::PLAYER{$login}	1625	$cf::PLAYER{$login}
1334	or cf::sync_job { !aio_stat path $login }	1626	or !aio_stat path $login
1335	}	1627	}
1336		1628
1337	sub find($) {	1629	sub find($) {
1338	return $cf::PLAYER{$_[0]} || do {	1630	return $cf::PLAYER{$_[0]} || do {
1339	my $login = $_[0];	1631	my $login = $_[0];
…		…
1351	my $f = new_from_file cf::object::thawer path $login	1643	my $f = new_from_file cf::object::thawer path $login
1352	or return;	1644	or return;
1353		1645
1354	my $pl = cf::player::load_pl $f	1646	my $pl = cf::player::load_pl $f
1355	or return;	1647	or return;
		1648
1356	local $cf::PLAYER_LOADING{$login} = $pl;	1649	local $cf::PLAYER_LOADING{$login} = $pl;
1357	$f->resolve_delayed_derefs;	1650	$f->resolve_delayed_derefs;
1358	$cf::PLAYER{$login} = $pl	1651	$cf::PLAYER{$login} = $pl
1359	}	1652	}
1360	}	1653	}
1361	}	1654	}
1362		1655
		1656	cf::player->attach (
		1657	on_load => sub {
		1658	my ($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
1363	sub save($) {	1669	sub save($) {
1364	my ($pl) = @_;	1670	my ($pl) = @_;
1365		1671
1366	return if $pl->{deny_save};	1672	return if $pl->{deny_save};
1367		1673
…		…
1370		1676
1371	return if $pl->{deny_save};	1677	return if $pl->{deny_save};
1372		1678
1373	aio_mkdir playerdir $pl, 0770;	1679	aio_mkdir playerdir $pl, 0770;
1374	$pl->{last_save} = $cf::RUNTIME;	1680	$pl->{last_save} = $cf::RUNTIME;
		1681
		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];
1375		1686
1376	$pl->save_pl ($path);	1687	$pl->save_pl ($path);
1377	cf::cede_to_tick;	1688	cf::cede_to_tick;
1378	}	1689	}
1379		1690
…		…
1411	my ($pl) = @_;	1722	my ($pl) = @_;
1412		1723
1413	my $name = $pl->ob->name;	1724	my $name = $pl->ob->name;
1414		1725
1415	$pl->{deny_save} = 1;	1726	$pl->{deny_save} = 1;
1416	$pl->password ("*"); # this should lock out the player until we nuked the dir	1727	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1417		1728
1418	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1729	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1419	$pl->deactivate;	1730	$pl->deactivate;
		1731
		1732	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1420	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1733	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1734	ext::highscore::check ($pl->ob);
		1735
1421	$pl->ns->destroy if $pl->ns;	1736	$pl->ns->destroy if $pl->ns;
1422		1737
1423	my $path = playerdir $pl;	1738	my $path = playerdir $pl;
1424	my $temp = "$path~$cf::RUNTIME~deleting~";	1739	my $temp = "$path~$cf::RUNTIME~deleting~";
1425	aio_rename $path, $temp;	1740	aio_rename $path, $temp;
…		…
1463		1778
1464	for my $login (@$dirs) {	1779	for my $login (@$dirs) {
1465	my $path = path $login;	1780	my $path = path $login;
1466		1781
1467	# a .pst is a dead give-away for a valid player	1782	# a .pst is a dead give-away for a valid player
1468	unless (-e "$path.pst") {	1783	# if no pst file found, open and chekc for blocked users
		1784	if (aio_stat "$path.pst") {
1469	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1785	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1470	aio_read $fh, 0, 512, my $buf, 0 or next;	1786	aio_read $fh, 0, 512, my $buf, 0 or next;
1471	$buf !~ /^password -------------$/m or next; # official not-valid tag	1787	$buf !~ /^password -------------$/m or next; # official not-valid tag
1472	}	1788	}
1473		1789
…		…
1477		1793
1478	\@logins	1794	\@logins
1479	}	1795	}
1480		1796
1481	=item $player->maps	1797	=item $player->maps
		1798
		1799	=item cf::player::maps $login
1482		1800
1483	Returns an arrayref of map paths that are private for this	1801	Returns an arrayref of map paths that are private for this
1484	player. May block.	1802	player. May block.
1485		1803
1486	=cut	1804	=cut
…		…
1504	}	1822	}
1505		1823
1506	\@paths	1824	\@paths
1507	}	1825	}
1508		1826
1509	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1827	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1510		1828
1511	Expand crossfire pod fragments into protocol xml.	1829	Expand deliantra pod fragments into protocol xml.
1512
1513	=cut
1514
1515	sub expand_cfpod {
1516	((my $self), (local $_)) = @_;
1517
1518	# escape & and <
1519	s/&/&amp;/g;
1520	s/(?<![BIUGHT])</&lt;/g;
1521
1522	# this is buggy, it needs to properly take care of nested <'s
1523
1524	1 while
1525	# replace B<>, I<>, U<> etc.
1526	s/B<([^\>]*)>/<b>$1<\/b>/
1527	|| s/I<([^\>]*)>/<i>$1<\/i>/
1528	|| s/U<([^\>]*)>/<u>$1<\/u>/
1529	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1530	# replace G<male|female> tags
1531	|| s{G<([^>|]*)\|([^>]*)>}{
1532	$self->gender ? $2 : $1
1533	}ge
1534	# replace H<hint text>
1535	|| s{H<([^\>]*)>}
1536	{
1537	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1538	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1539	"")
1540	[$self->{hintmode}]
1541	}ge;
1542
1543	# create single paragraphs (very hackish)
1544	s/(?<=\S)\n(?=\w)/ /g;
1545
1546	# compress some whitespace
1547	s/\s+\n/\n/g; # ws line-ends
1548	s/\n\n+/\n/g; # double lines
1549	s/^\n+//; # beginning lines
1550	s/\n+$//; # ending lines
1551
1552	$_
1553	}
1554
1555	sub hintmode {
1556	$_[0]{hintmode} = $_[1] if @_ > 1;
1557	$_[0]{hintmode}
1558	}
1559		1830
1560	=item $player->ext_reply ($msgid, @msg)	1831	=item $player->ext_reply ($msgid, @msg)
1561		1832
1562	Sends an ext reply to the player.	1833	Sends an ext reply to the player.
1563		1834
…		…
1595		1866
1596	=cut	1867	=cut
1597		1868
1598	sub find_by_path($) {	1869	sub find_by_path($) {
1599	my ($path) = @_;	1870	my ($path) = @_;
		1871
		1872	$path =~ s/^~[^\/]*//; # skip ~login
1600		1873
1601	my ($match, $specificity);	1874	my ($match, $specificity);
1602		1875
1603	for my $region (list) {	1876	for my $region (list) {
1604	if ($region->{match} && $path =~ $region->{match}) {	1877	if ($region->{match} && $path =~ $region->{match}) {
…		…
1630	our $MAX_RESET = 3600;	1903	our $MAX_RESET = 3600;
1631	our $DEFAULT_RESET = 3000;	1904	our $DEFAULT_RESET = 3000;
1632		1905
1633	sub generate_random_map {	1906	sub generate_random_map {
1634	my ($self, $rmp) = @_;	1907	my ($self, $rmp) = @_;
1635	# mit "rum" bekleckern, nicht	1908
		1909	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1910
1636	$self->_create_random_map (	1911	$self->_create_random_map ($rmp);
1637	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1638	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1639	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1640	$rmp->{exit_on_final_map},
1641	$rmp->{xsize}, $rmp->{ysize},
1642	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1643	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1644	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1645	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1646	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1647	(cf::region::find $rmp->{region}), $rmp->{custom}
1648	)
1649	}	1912	}
1650		1913
1651	=item cf::map->register ($regex, $prio)	1914	=item cf::map->register ($regex, $prio)
1652		1915
1653	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
…		…
1658		1921
1659	sub register {	1922	sub register {
1660	my (undef, $regex, $prio) = @_;	1923	my (undef, $regex, $prio) = @_;
1661	my $pkg = caller;	1924	my $pkg = caller;
1662		1925
1663	no strict;
1664	push @{"$pkg\::ISA"}, __PACKAGE__;	1926	push @{"$pkg\::ISA"}, __PACKAGE__;
1665		1927
1666	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1928	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1667	}	1929	}
1668		1930
1669	# also paths starting with '/'	1931	# also paths starting with '/'
1670	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1932	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1671		1933
1672	sub thawer_merge {	1934	sub thawer_merge {
1673	my ($self, $merge) = @_;	1935	my ($self, $merge) = @_;
1674		1936
1675	# we have to keep some variables in memory intact	1937	# we have to keep some variables in memory intact
…		…
1680	}	1942	}
1681		1943
1682	sub normalise {	1944	sub normalise {
1683	my ($path, $base) = @_;	1945	my ($path, $base) = @_;
1684		1946
1685	$path = "$path"; # make sure its a string	1947	$path = "$path"; # make sure it's a string
1686		1948
1687	$path =~ s/\.map$//;	1949	$path =~ s/\.map$//;
1688		1950
1689	# map plan:	1951	# map plan:
1690	#	1952	#
…		…
1705	$base =~ s{[^/]+/?$}{};	1967	$base =~ s{[^/]+/?$}{};
1706	$path = "$base/$path";	1968	$path = "$base/$path";
1707	}	1969	}
1708		1970
1709	for ($path) {	1971	for ($path) {
1710	redo if s{//}{/};
1711	redo if s{/\.?/}{/};	1972	redo if s{/\.?/}{/};
1712	redo if s{/[^/]+/\.\./}{/};	1973	redo if s{/[^/]+/\.\./}{/};
1713	}	1974	}
1714		1975
1715	$path	1976	$path
…		…
1729	$self->init; # pass $1 etc.	1990	$self->init; # pass $1 etc.
1730	return $self;	1991	return $self;
1731	}	1992	}
1732	}	1993	}
1733		1994
1734	Carp::cluck "unable to resolve path '$path' (base '$base').";	1995	Carp::cluck "unable to resolve path '$path' (base '$base')";
1735	()	1996	()
1736	}	1997	}
1737		1998
		1999	# may re-bless or do other evil things
1738	sub init {	2000	sub init {
1739	my ($self) = @_;	2001	my ($self) = @_;
1740		2002
1741	$self	2003	$self
1742	}	2004	}
…		…
1761		2023
1762	# the temporary/swap location	2024	# the temporary/swap location
1763	sub save_path {	2025	sub save_path {
1764	my ($self) = @_;	2026	my ($self) = @_;
1765		2027
1766	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2028	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1767	"$TMPDIR/$path.map"	2029	"$TMPDIR/$path.map"
1768	}	2030	}
1769		2031
1770	# the unique path, undef == no special unique path	2032	# the unique path, undef == no special unique path
1771	sub uniq_path {	2033	sub uniq_path {
1772	my ($self) = @_;	2034	my ($self) = @_;
1773		2035
1774	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2036	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1775	"$UNIQUEDIR/$path"	2037	"$UNIQUEDIR/$path"
1776	}
1777
1778	# and all this just because we cannot iterate over
1779	# all maps in C++...
1780	sub change_all_map_light {
1781	my ($change) = @_;
1782
1783	$_->change_map_light ($change)
1784	for grep $_->outdoor, values %cf::MAP;
1785	}	2038	}
1786		2039
1787	sub decay_objects {	2040	sub decay_objects {
1788	my ($self) = @_;	2041	my ($self) = @_;
1789		2042
…		…
1816	$self->{load_path} = $path;	2069	$self->{load_path} = $path;
1817		2070
1818	1	2071	1
1819	}	2072	}
1820		2073
		2074	# used to laod the header of an original map
1821	sub load_header_orig {	2075	sub load_header_orig {
1822	my ($self) = @_;	2076	my ($self) = @_;
1823		2077
1824	$self->load_header_from ($self->load_path)	2078	$self->load_header_from ($self->load_path)
1825	}	2079	}
1826		2080
		2081	# used to laod the header of an instantiated map
1827	sub load_header_temp {	2082	sub load_header_temp {
1828	my ($self) = @_;	2083	my ($self) = @_;
1829		2084
1830	$self->load_header_from ($self->save_path)	2085	$self->load_header_from ($self->save_path)
1831	}	2086	}
1832		2087
		2088	# called after loading the header from an instantiated map
1833	sub prepare_temp {	2089	sub prepare_temp {
1834	my ($self) = @_;	2090	my ($self) = @_;
1835		2091
1836	$self->last_access ((delete $self->{last_access})	2092	$self->last_access ((delete $self->{last_access})
1837	|| $cf::RUNTIME); #d#	2093	|| $cf::RUNTIME); #d#
1838	# safety	2094	# safety
1839	$self->{instantiate_time} = $cf::RUNTIME	2095	$self->{instantiate_time} = $cf::RUNTIME
1840	if $self->{instantiate_time} > $cf::RUNTIME;	2096	if $self->{instantiate_time} > $cf::RUNTIME;
1841	}	2097	}
1842		2098
		2099	# called after loading the header from an original map
1843	sub prepare_orig {	2100	sub prepare_orig {
1844	my ($self) = @_;	2101	my ($self) = @_;
1845		2102
1846	$self->{load_original} = 1;	2103	$self->{load_original} = 1;
1847	$self->{instantiate_time} = $cf::RUNTIME;	2104	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1871		2128
1872	sub find;	2129	sub find;
1873	sub find {	2130	sub find {
1874	my ($path, $origin) = @_;	2131	my ($path, $origin) = @_;
1875		2132
		2133	cf::cede_to_tick;
		2134
1876	$path = normalise $path, $origin && $origin->path;	2135	$path = normalise $path, $origin;
1877		2136
1878	cf::lock_wait "map_data:$path";#d#remove	2137	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1879	cf::lock_wait "map_find:$path";	2138	my $guard2 = cf::lock_acquire "map_find:$path";
1880		2139
1881	$cf::MAP{$path} || do {	2140	$cf::MAP{$path} || do {
1882	my $guard1 = cf::lock_acquire "map_find:$path";
1883	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1884
1885	my $map = new_from_path cf::map $path	2141	my $map = new_from_path cf::map $path
1886	or return;	2142	or return;
1887		2143
1888	$map->{last_save} = $cf::RUNTIME;	2144	$map->{last_save} = $cf::RUNTIME;
1889		2145
…		…
1891	or return;	2147	or return;
1892		2148
1893	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2149	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1894	# doing this can freeze the server in a sync job, obviously	2150	# doing this can freeze the server in a sync job, obviously
1895	#$cf::WAIT_FOR_TICK->wait;	2151	#$cf::WAIT_FOR_TICK->wait;
		2152	undef $guard2;
1896	undef $guard1;	2153	undef $guard1;
1897	undef $guard2;
1898	$map->reset;	2154	$map->reset;
1899	return find $path;	2155	return find $path;
1900	}	2156	}
1901		2157
1902	$cf::MAP{$path} = $map	2158	$cf::MAP{$path} = $map
1903	}	2159	}
1904	}	2160	}
1905		2161
1906	sub pre_load { }	2162	sub pre_load { }
1907	sub post_load { }	2163	#sub post_load { } # XS
1908		2164
1909	sub load {	2165	sub load {
1910	my ($self) = @_;	2166	my ($self) = @_;
1911		2167
1912	local $self->{deny_reset} = 1; # loading can take a long time	2168	local $self->{deny_reset} = 1; # loading can take a long time
…		…
1924	$self->alloc;	2180	$self->alloc;
1925		2181
1926	$self->pre_load;	2182	$self->pre_load;
1927	cf::cede_to_tick;	2183	cf::cede_to_tick;
1928		2184
		2185	if (exists $self->{load_path}) {
1929	my $f = new_from_file cf::object::thawer $self->{load_path};	2186	my $f = new_from_file cf::object::thawer $self->{load_path};
1930	$f->skip_block;	2187	$f->skip_block;
1931	$self->_load_objects ($f)	2188	$self->_load_objects ($f)
1932	or return;	2189	or return;
1933		2190
1934	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2191	$self->post_load_original
1935	if delete $self->{load_original};	2192	if delete $self->{load_original};
1936		2193
1937	if (my $uniq = $self->uniq_path) {	2194	if (my $uniq = $self->uniq_path) {
1938	utf8::encode $uniq;	2195	utf8::encode $uniq;
1939	unless (aio_stat $uniq) {	2196	unless (aio_stat $uniq) {
1940	if (my $f = new_from_file cf::object::thawer $uniq) {	2197	if (my $f = new_from_file cf::object::thawer $uniq) {
1941	$self->clear_unique_items;	2198	$self->clear_unique_items;
1942	$self->_load_objects ($f);	2199	$self->_load_objects ($f);
1943	$f->resolve_delayed_derefs;	2200	$f->resolve_delayed_derefs;
		2201	}
1944	}	2202	}
1945	}	2203	}
1946	}
1947		2204
1948	$f->resolve_delayed_derefs;	2205	$f->resolve_delayed_derefs;
		2206	} else {
		2207	$self->post_load_original
		2208	if delete $self->{load_original};
		2209	}
1949		2210
1950	cf::cede_to_tick;	2211	cf::cede_to_tick;
1951	# now do the right thing for maps	2212	# now do the right thing for maps
1952	$self->link_multipart_objects;	2213	$self->link_multipart_objects;
1953	$self->difficulty ($self->estimate_difficulty)	2214	$self->difficulty ($self->estimate_difficulty)
…		…
1957	unless ($self->{deny_activate}) {	2218	unless ($self->{deny_activate}) {
1958	$self->decay_objects;	2219	$self->decay_objects;
1959	$self->fix_auto_apply;	2220	$self->fix_auto_apply;
1960	$self->update_buttons;	2221	$self->update_buttons;
1961	cf::cede_to_tick;	2222	cf::cede_to_tick;
1962	$self->set_darkness_map;	2223	#$self->activate; # no longer activate maps automatically
1963	cf::cede_to_tick;
1964	$self->activate;
1965	}	2224	}
1966		2225
1967	$self->{last_save} = $cf::RUNTIME;	2226	$self->{last_save} = $cf::RUNTIME;
1968	$self->last_access ($cf::RUNTIME);	2227	$self->last_access ($cf::RUNTIME);
1969		2228
1970	$self->in_memory (cf::MAP_IN_MEMORY);	2229	$self->in_memory (cf::MAP_ACTIVE);
1971	}	2230	}
1972		2231
1973	$self->post_load;	2232	$self->post_load;
1974	}
1975		2233
		2234	1
		2235	}
		2236
		2237	# customize the map for a given player, i.e.
		2238	# return the _real_ map. used by e.g. per-player
		2239	# maps to change the path to ~playername/mappath
1976	sub customise_for {	2240	sub customise_for {
1977	my ($self, $ob) = @_;	2241	my ($self, $ob) = @_;
1978		2242
1979	return find "~" . $ob->name . "/" . $self->{path}	2243	return find "~" . $ob->name . "/" . $self->{path}
1980	if $self->per_player;	2244	if $self->per_player;
…		…
1996	or next;	2260	or next;
1997	$neigh = find $neigh, $map	2261	$neigh = find $neigh, $map
1998	or next;	2262	or next;
1999	$neigh->load;	2263	$neigh->load;
2000		2264
		2265	# now find the diagonal neighbours
2001	push @neigh,	2266	push @neigh,
2002	[$neigh->tile_path (($_ + 3) % 4), $neigh],	2267	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2003	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2268	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2004	}	2269	}
2005		2270
…		…
2012	}	2277	}
2013		2278
2014	sub find_sync {	2279	sub find_sync {
2015	my ($path, $origin) = @_;	2280	my ($path, $origin) = @_;
2016		2281
2017	cf::sync_job { find $path, $origin }	2282	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2283	if $Coro::current == $Coro::main;
		2284
		2285	find $path, $origin
2018	}	2286	}
2019		2287
2020	sub do_load_sync {	2288	sub do_load_sync {
2021	my ($map) = @_;	2289	my ($map) = @_;
2022		2290
2023	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2291	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2024	if $Coro::current == $Coro::main;	2292	if $Coro::current == $Coro::main;
2025		2293
2026	cf::sync_job { $map->load };	2294	$map->load;
2027	}	2295	}
2028		2296
2029	our %MAP_PREFETCH;	2297	our %MAP_PREFETCH;
2030	our $MAP_PREFETCHER = undef;	2298	our $MAP_PREFETCHER = undef;
2031		2299
2032	sub find_async {	2300	sub find_async {
2033	my ($path, $origin, $load) = @_;	2301	my ($path, $origin, $load) = @_;
2034		2302
2035	$path = normalise $path, $origin && $origin->{path};	2303	$path = normalise $path, $origin;
2036		2304
2037	if (my $map = $cf::MAP{$path}) {	2305	if (my $map = $cf::MAP{$path}) {
2038	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2306	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2039	}	2307	}
2040		2308
2041	$MAP_PREFETCH{$path} |= $load;	2309	$MAP_PREFETCH{$path} |= $load;
2042		2310
2043	$MAP_PREFETCHER ||= cf::async {	2311	$MAP_PREFETCHER ||= cf::async {
…		…
2057	$MAP_PREFETCHER->prio (6);	2325	$MAP_PREFETCHER->prio (6);
2058		2326
2059	()	2327	()
2060	}	2328	}
2061		2329
		2330	# common code, used by both ->save and ->swapout
2062	sub save {	2331	sub _save {
2063	my ($self) = @_;	2332	my ($self) = @_;
2064
2065	my $lock = cf::lock_acquire "map_data:$self->{path}";
2066		2333
2067	$self->{last_save} = $cf::RUNTIME;	2334	$self->{last_save} = $cf::RUNTIME;
2068		2335
2069	return unless $self->dirty;	2336	return unless $self->dirty;
2070		2337
…		…
2079		2346
2080	cf::async {	2347	cf::async {
2081	$Coro::current->{desc} = "map player save";	2348	$Coro::current->{desc} = "map player save";
2082	$_->contr->save for $self->players;	2349	$_->contr->save for $self->players;
2083	};	2350	};
		2351
		2352	cf::get_slot 0.02;
2084		2353
2085	if ($uniq) {	2354	if ($uniq) {
2086	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2355	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2087	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2356	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2088	} else {	2357	} else {
2089	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2358	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2090	}	2359	}
2091	}	2360	}
2092		2361
		2362	sub save {
		2363	my ($self) = @_;
		2364
		2365	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2366
		2367	$self->_save;
		2368	}
		2369
2093	sub swap_out {	2370	sub swap_out {
2094	my ($self) = @_;	2371	my ($self) = @_;
2095		2372
2096	# save first because save cedes
2097	$self->save;
2098
2099	my $lock = cf::lock_acquire "map_data:$self->{path}";	2373	my $lock = cf::lock_acquire "map_data:$self->{path}";
2100		2374
		2375	return if $self->in_memory != cf::MAP_ACTIVE;
		2376	return if $self->{deny_save};
2101	return if $self->players;	2377	return if $self->players;
2102	return if $self->in_memory != cf::MAP_IN_MEMORY;
2103	return if $self->{deny_save};
2104		2378
		2379	# first deactivate the map and "unlink" it from the core
		2380	$self->deactivate;
		2381	$_->clear_links_to ($self) for values %cf::MAP;
2105	$self->in_memory (cf::MAP_SWAPPED);	2382	$self->in_memory (cf::MAP_SWAPPED);
		2383
		2384	# then atomically save
		2385	$self->_save;
		2386
		2387	# then free the map
		2388	$self->clear;
		2389	}
		2390
		2391	sub reset_at {
		2392	my ($self) = @_;
		2393
		2394	# TODO: safety, remove and allow resettable per-player maps
		2395	return 1e99 if $self->{deny_reset};
		2396
		2397	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2398	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2399
		2400	$time + $to
		2401	}
		2402
		2403	sub should_reset {
		2404	my ($self) = @_;
		2405
		2406	$self->reset_at <= $cf::RUNTIME
		2407	}
		2408
		2409	sub reset {
		2410	my ($self) = @_;
		2411
		2412	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2413
		2414	return if $self->players;
		2415
		2416	cf::trace "resetting map ", $self->path, "\n";
		2417
		2418	$self->in_memory (cf::MAP_SWAPPED);
		2419
		2420	# need to save uniques path
		2421	unless ($self->{deny_save}) {
		2422	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2423
		2424	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2425	if $uniq;
		2426	}
		2427
		2428	delete $cf::MAP{$self->path};
2106		2429
2107	$self->deactivate;	2430	$self->deactivate;
2108	$_->clear_links_to ($self) for values %cf::MAP;	2431	$_->clear_links_to ($self) for values %cf::MAP;
2109	$self->clear;	2432	$self->clear;
2110	}
2111
2112	sub reset_at {
2113	my ($self) = @_;
2114
2115	# TODO: safety, remove and allow resettable per-player maps
2116	return 1e99 if $self->{deny_reset};
2117
2118	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2119	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2120
2121	$time + $to
2122	}
2123
2124	sub should_reset {
2125	my ($self) = @_;
2126
2127	$self->reset_at <= $cf::RUNTIME
2128	}
2129
2130	sub reset {
2131	my ($self) = @_;
2132
2133	my $lock = cf::lock_acquire "map_data:$self->{path}";
2134
2135	return if $self->players;
2136
2137	warn "resetting map ", $self->path;
2138
2139	$self->in_memory (cf::MAP_SWAPPED);
2140
2141	# need to save uniques path
2142	unless ($self->{deny_save}) {
2143	my $uniq = $self->uniq_path; utf8::encode $uniq;
2144
2145	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2146	if $uniq;
2147	}
2148
2149	delete $cf::MAP{$self->path};
2150
2151	$self->deactivate;
2152	$_->clear_links_to ($self) for values %cf::MAP;
2153	$self->clear;
2154		2433
2155	$self->unlink_save;	2434	$self->unlink_save;
2156	$self->destroy;	2435	$self->destroy;
2157	}	2436	}
2158		2437
…		…
2166		2445
2167	delete $cf::MAP{$self->path};	2446	delete $cf::MAP{$self->path};
2168		2447
2169	$self->unlink_save;	2448	$self->unlink_save;
2170		2449
2171	bless $self, "cf::map";	2450	bless $self, "cf::map::wrap";
2172	delete $self->{deny_reset};	2451	delete $self->{deny_reset};
2173	$self->{deny_save} = 1;	2452	$self->{deny_save} = 1;
2174	$self->reset_timeout (1);	2453	$self->reset_timeout (1);
2175	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2454	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2176		2455
…		…
2225		2504
2226	sub unique_maps() {	2505	sub unique_maps() {
2227	[	2506	[
2228	map {	2507	map {
2229	utf8::decode $_;	2508	utf8::decode $_;
2230	/\.map$/	2509	s/\.map$//; # TODO future compatibility hack
		2510	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2511	? ()
2231	? normalise $_	2512	: normalise $_
2232	: ()
2233	} @{ aio_readdir $UNIQUEDIR or [] }	2513	} @{ aio_readdir $UNIQUEDIR or [] }
2234	]	2514	]
2235	}	2515	}
2236		2516
2237	package cf;	2517	=item cf::map::static_maps
		2518
		2519	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2520	file in the shared directory excluding F</styles> and F</editor>). May
		2521	block.
		2522
		2523	=cut
		2524
		2525	sub static_maps() {
		2526	my @dirs = "";
		2527	my @maps;
		2528
		2529	while (@dirs) {
		2530	my $dir = shift @dirs;
		2531
		2532	next if $dir eq "/styles" || $dir eq "/editor";
		2533
		2534	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2535	or return;
		2536
		2537	for (@$files) {
		2538	s/\.map$// or next;
		2539	utf8::decode $_;
		2540	push @maps, "$dir/$_";
		2541	}
		2542
		2543	push @dirs, map "$dir/$_", @$dirs;
		2544	}
		2545
		2546	\@maps
		2547	}
2238		2548
2239	=back	2549	=back
2240		2550
2241	=head3 cf::object	2551	=head3 cf::object
2242		2552
…		…
2246		2556
2247	=over 4	2557	=over 4
2248		2558
2249	=item $ob->inv_recursive	2559	=item $ob->inv_recursive
2250		2560
2251	Returns the inventory of the object _and_ their inventories, recursively.	2561	Returns the inventory of the object I<and> their inventories, recursively,
		2562	but I<not> the object itself.
2252		2563
2253	=cut	2564	=cut
2254		2565
2255	sub inv_recursive_;	2566	sub inv_recursive_;
2256	sub inv_recursive_ {	2567	sub inv_recursive_ {
…		…
2261	inv_recursive_ inv $_[0]	2572	inv_recursive_ inv $_[0]
2262	}	2573	}
2263		2574
2264	=item $ref = $ob->ref	2575	=item $ref = $ob->ref
2265		2576
2266	creates and returns a persistent reference to an objetc that can be stored as a string.	2577	Creates and returns a persistent reference to an object that can be stored as a string.
2267		2578
2268	=item $ob = cf::object::deref ($refstring)	2579	=item $ob = cf::object::deref ($refstring)
2269		2580
2270	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2581	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2271	even if the object actually exists. May block.	2582	even if the object actually exists. May block.
…		…
2273	=cut	2584	=cut
2274		2585
2275	sub deref {	2586	sub deref {
2276	my ($ref) = @_;	2587	my ($ref) = @_;
2277		2588
2278	# temporary compatibility#TODO#remove
2279	$ref =~ s{^<}{player/<};
2280
2281	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {	2589	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2282	my ($uuid, $name) = ($1, $2);	2590	my ($uuid, $name) = ($1, $2);
2283	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name	2591	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2284	or return;	2592	or return;
2285	$pl->ob->uuid eq $uuid	2593	$pl->ob->uuid eq $uuid
2286	or return;	2594	or return;
…		…
2306	can be C<undef>. Does the right thing when the player is currently in a	2614	can be C<undef>. Does the right thing when the player is currently in a
2307	dialogue with the given NPC character.	2615	dialogue with the given NPC character.
2308		2616
2309	=cut	2617	=cut
2310		2618
		2619	our $SAY_CHANNEL = {
		2620	id => "say",
		2621	title => "Map",
		2622	reply => "say ",
		2623	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2624	};
		2625
		2626	our $CHAT_CHANNEL = {
		2627	id => "chat",
		2628	title => "Chat",
		2629	reply => "chat ",
		2630	tooltip => "Player chat and shouts, global to the server.",
		2631	};
		2632
2311	# rough implementation of a future "reply" method that works	2633	# rough implementation of a future "reply" method that works
2312	# with dialog boxes.	2634	# with dialog boxes.
2313	#TODO: the first argument must go, split into a $npc->reply_to ( method	2635	#TODO: the first argument must go, split into a $npc->reply_to ( method
2314	sub cf::object::player::reply($$$;$) {	2636	sub cf::object::player::reply($$$;$) {
2315	my ($self, $npc, $msg, $flags) = @_;	2637	my ($self, $npc, $msg, $flags) = @_;
…		…
2326	my $dialog = $pl->{npc_dialog};	2648	my $dialog = $pl->{npc_dialog};
2327	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2649	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2328		2650
2329	} else {	2651	} else {
2330	$msg = $npc->name . " says: $msg" if $npc;	2652	$msg = $npc->name . " says: $msg" if $npc;
2331	$self->message ($msg, $flags);	2653	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2332	}	2654	}
2333	}	2655	}
2334	}	2656	}
2335		2657
2336	=item $object->send_msg ($channel, $msg, $color, [extra...])	2658	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2361		2683
2362	=item $player_object->enter_link	2684	=item $player_object->enter_link
2363		2685
2364	Freezes the player and moves him/her to a special map (C<{link}>).	2686	Freezes the player and moves him/her to a special map (C<{link}>).
2365		2687
2366	The player should be reasonably safe there for short amounts of time. You	2688	The player should be reasonably safe there for short amounts of time (e.g.
2367	I<MUST> call C<leave_link> as soon as possible, though.	2689	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2690	though, as the player cannot control the character while it is on the link
		2691	map.
2368		2692
2369	Will never block.	2693	Will never block.
2370		2694
2371	=item $player_object->leave_link ($map, $x, $y)	2695	=item $player_object->leave_link ($map, $x, $y)
2372		2696
…		…
2392	sub cf::object::player::enter_link {	2716	sub cf::object::player::enter_link {
2393	my ($self) = @_;	2717	my ($self) = @_;
2394		2718
2395	$self->deactivate_recursive;	2719	$self->deactivate_recursive;
2396		2720
		2721	++$self->{_link_recursion};
		2722
2397	return if UNIVERSAL::isa $self->map, "ext::map_link";	2723	return if UNIVERSAL::isa $self->map, "ext::map_link";
2398		2724
2399	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2725	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2400	if $self->map && $self->map->{path} ne "{link}";	2726	if $self->map && $self->map->{path} ne "{link}";
2401		2727
2402	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2728	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2403	}	2729	}
2404		2730
2405	sub cf::object::player::leave_link {	2731	sub cf::object::player::leave_link {
2406	my ($self, $map, $x, $y) = @_;	2732	my ($self, $map, $x, $y) = @_;
2407		2733
…		…
2424	($x, $y) = (-1, -1)	2750	($x, $y) = (-1, -1)
2425	unless (defined $x) && (defined $y);	2751	unless (defined $x) && (defined $y);
2426		2752
2427	# use -1 or undef as default coordinates, not 0, 0	2753	# use -1 or undef as default coordinates, not 0, 0
2428	($x, $y) = ($map->enter_x, $map->enter_y)	2754	($x, $y) = ($map->enter_x, $map->enter_y)
2429	if $x <=0 && $y <= 0;	2755	if $x <= 0 && $y <= 0;
2430		2756
2431	$map->load;	2757	$map->load;
2432	$map->load_neighbours;	2758	$map->load_neighbours;
2433		2759
2434	return unless $self->contr->active;	2760	return unless $self->contr->active;
2435	$self->activate_recursive;
2436		2761
2437	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2762	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2438	$self->enter_map ($map, $x, $y);	2763	if ($self->enter_map ($map, $x, $y)) {
2439	}	2764	# entering was successful
		2765	delete $self->{_link_recursion};
		2766	# only activate afterwards, to support waiting in hooks
		2767	$self->activate_recursive;
		2768	}
2440		2769
		2770	}
		2771
2441	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2772	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2442		2773
2443	Moves the player to the given map-path and coordinates by first freezing	2774	Moves the player to the given map-path and coordinates by first freezing
2444	her, loading and preparing them map, calling the provided $check callback	2775	her, loading and preparing them map, calling the provided $check callback
2445	that has to return the map if sucecssful, and then unfreezes the player on	2776	that has to return the map if sucecssful, and then unfreezes the player on
2446	the new (success) or old (failed) map position. In either case, $done will	2777	the new (success) or old (failed) map position. In either case, $done will
2447	be called at the end of this process.	2778	be called at the end of this process.
2448		2779
		2780	Note that $check will be called with a potentially non-loaded map, so if
		2781	it needs a loaded map it has to call C<< ->load >>.
		2782
2449	=cut	2783	=cut
2450		2784
2451	our $GOTOGEN;	2785	our $GOTOGEN;
2452		2786
2453	sub cf::object::player::goto {	2787	sub cf::object::player::goto {
2454	my ($self, $path, $x, $y, $check, $done) = @_;	2788	my ($self, $path, $x, $y, $check, $done) = @_;
		2789
		2790	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2791	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2792	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2793	($path, $x, $y) = @$EMERGENCY_POSITION;
		2794	}
2455		2795
2456	# do generation counting so two concurrent goto's will be executed in-order	2796	# do generation counting so two concurrent goto's will be executed in-order
2457	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2797	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2458		2798
2459	$self->enter_link;	2799	$self->enter_link;
…		…
2479	($path, $x, $y) = (undef, undef, undef);	2819	($path, $x, $y) = (undef, undef, undef);
2480	}	2820	}
2481	}	2821	}
2482		2822
2483	my $map = eval {	2823	my $map = eval {
2484	my $map = defined $path ? cf::map::find $path : undef;	2824	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2485		2825
2486	if ($map) {	2826	if ($map) {
2487	$map = $map->customise_for ($self);	2827	$map = $map->customise_for ($self);
2488	$map = $check->($map) if $check && $map;	2828	$map = $check->($map, $x, $y, $self) if $check && $map;
2489	} else {	2829	} else {
2490	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2830	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2491	}	2831	}
2492		2832
2493	$map	2833	$map
…		…
2501	if ($gen == $self->{_goto_generation}) {	2841	if ($gen == $self->{_goto_generation}) {
2502	delete $self->{_goto_generation};	2842	delete $self->{_goto_generation};
2503	$self->leave_link ($map, $x, $y);	2843	$self->leave_link ($map, $x, $y);
2504	}	2844	}
2505		2845
2506	$done->() if $done;	2846	$done->($self) if $done;
2507	})->prio (1);	2847	})->prio (1);
2508	}	2848	}
2509		2849
2510	=item $player_object->enter_exit ($exit_object)	2850	=item $player_object->enter_exit ($exit_object)
2511		2851
…		…
2531	}	2871	}
2532		2872
2533	sub prepare_random_map {	2873	sub prepare_random_map {
2534	my ($exit) = @_;	2874	my ($exit) = @_;
2535		2875
2536	my $guard = cf::lock_acquire "exit_prepare:$exit";
2537
2538	# all this does is basically replace the /! path by	2876	# all this does is basically replace the /! path by
2539	# a new random map path (?random/...) with a seed	2877	# a new random map path (?random/...) with a seed
2540	# that depends on the exit object	2878	# that depends on the exit object
2541		2879
2542	my $rmp = parse_random_map_params $exit->msg;	2880	my $rmp = parse_random_map_params $exit->msg;
…		…
2544	if ($exit->map) {	2882	if ($exit->map) {
2545	$rmp->{region} = $exit->region->name;	2883	$rmp->{region} = $exit->region->name;
2546	$rmp->{origin_map} = $exit->map->path;	2884	$rmp->{origin_map} = $exit->map->path;
2547	$rmp->{origin_x} = $exit->x;	2885	$rmp->{origin_x} = $exit->x;
2548	$rmp->{origin_y} = $exit->y;	2886	$rmp->{origin_y} = $exit->y;
		2887
		2888	$exit->map->touch;
2549	}	2889	}
2550		2890
2551	$rmp->{random_seed} ||= $exit->random_seed;	2891	$rmp->{random_seed} ||= $exit->random_seed;
2552		2892
2553	my $data = cf::to_json $rmp;	2893	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2554	my $md5 = Digest::MD5::md5_hex $data;	2894	my $md5 = Digest::MD5::md5_hex $data;
2555	my $meta = "$RANDOMDIR/$md5.meta";	2895	my $meta = "$RANDOMDIR/$md5.meta";
2556		2896
2557	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2897	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2558	aio_write $fh, 0, (length $data), $data, 0;	2898	aio_write $fh, 0, (length $data), $data, 0;
2559	undef $fh;	2899	undef $fh;
2560	aio_rename "$meta~", $meta;	2900	aio_rename "$meta~", $meta;
2561		2901
		2902	my $slaying = "?random/$md5";
		2903
		2904	if ($exit->valid) {
2562	$exit->slaying ("?random/$md5");	2905	$exit->slaying ("?random/$md5");
2563	$exit->msg (undef);	2906	$exit->msg (undef);
		2907	}
2564	}	2908	}
2565	}	2909	}
2566		2910
2567	sub cf::object::player::enter_exit {	2911	sub cf::object::player::enter_exit {
2568	my ($self, $exit) = @_;	2912	my ($self, $exit) = @_;
2569		2913
2570	return unless $self->type == cf::PLAYER;	2914	return unless $self->type == cf::PLAYER;
2571		2915
2572	if ($exit->slaying eq "/!") {
2573	#TODO: this should de-fi-ni-te-ly not be a sync-job
2574	# the problem is that $exit might not survive long enough
2575	# so it needs to be done right now, right here
2576	cf::sync_job { prepare_random_map $exit };
2577	}
2578
2579	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2580	my $hp = $exit->stats->hp;
2581	my $sp = $exit->stats->sp;
2582
2583	$self->enter_link;	2916	$self->enter_link;
2584		2917
2585	# if exit is damned, update players death & WoR home-position
2586	$self->contr->savebed ($slaying, $hp, $sp)
2587	if $exit->flag (FLAG_DAMNED);
2588
2589	(async {	2918	(async {
2590	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2919	$Coro::current->{desc} = "enter_exit";
2591		2920
2592	$self->deactivate_recursive; # just to be sure
2593	unless (eval {	2921	unless (eval {
		2922	$self->deactivate_recursive; # just to be sure
		2923
		2924	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2925	my $x = $exit->stats->hp;
		2926	my $y = $exit->stats->sp;
		2927
		2928	# special map handling
		2929	my $slaying = $exit->slaying;
		2930
		2931	# special map handling
		2932	if ($slaying eq "/!") {
		2933	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2934
		2935	prepare_random_map $exit
		2936	if $slaying eq "/!"; # need to re-check after getting the lock
		2937
		2938	} elsif ($slaying eq '!up') {
		2939	$map = $exit->map->tile_path (cf::TILE_UP);
		2940	$x = $exit->x;
		2941	$y = $exit->y;
		2942
		2943	} elsif ($slaying eq '!down') {
		2944	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2945	$x = $exit->x;
		2946	$y = $exit->y;
		2947	}
		2948
2594	$self->goto ($slaying, $hp, $sp);	2949	$self->goto ($map, $x, $y);
2595		2950
		2951	# if exit is damned, update players death & WoR home-position
		2952	$self->contr->savebed ($map, $x, $y)
		2953	if $exit->flag (cf::FLAG_DAMNED);
		2954
2596	1;	2955	1
2597	}) {	2956	}) {
2598	$self->message ("Something went wrong deep within the crossfire server. "	2957	$self->message ("Something went wrong deep within the deliantra server. "
2599	. "I'll try to bring you back to the map you were before. "	2958	. "I'll try to bring you back to the map you were before. "
2600	. "Please report this to the dungeon master!",	2959	. "Please report this to the dungeon master!",
2601	cf::NDI_UNIQUE | cf::NDI_RED);	2960	cf::NDI_UNIQUE | cf::NDI_RED);
2602		2961
2603	warn "ERROR in enter_exit: $@";	2962	error "ERROR in enter_exit: $@";
2604	$self->leave_link;	2963	$self->leave_link;
2605	}	2964	}
2606	})->prio (1);	2965	})->prio (1);
2607	}	2966	}
2608		2967
…		…
2620	sub cf::client::send_drawinfo {	2979	sub cf::client::send_drawinfo {
2621	my ($self, $text, $flags) = @_;	2980	my ($self, $text, $flags) = @_;
2622		2981
2623	utf8::encode $text;	2982	utf8::encode $text;
2624	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2983	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2984	}
		2985
		2986	=item $client->send_big_packet ($pkt)
		2987
		2988	Like C<send_packet>, but tries to compress large packets, and fragments
		2989	them as required.
		2990
		2991	=cut
		2992
		2993	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2994
		2995	sub cf::client::send_big_packet {
		2996	my ($self, $pkt) = @_;
		2997
		2998	# try lzf for large packets
		2999	$pkt = "lzf " . Compress::LZF::compress $pkt
		3000	if 1024 <= length $pkt and $self->{can_lzf};
		3001
		3002	# split very large packets
		3003	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3004	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3005	$pkt = "frag";
		3006	}
		3007
		3008	$self->send_packet ($pkt);
2625	}	3009	}
2626		3010
2627	=item $client->send_msg ($channel, $msg, $color, [extra...])	3011	=item $client->send_msg ($channel, $msg, $color, [extra...])
2628		3012
2629	Send a drawinfo or msg packet to the client, formatting the msg for the	3013	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2631	the message, with C<log> being the default. If C<$color> is negative, suppress	3015	the message, with C<log> being the default. If C<$color> is negative, suppress
2632	the message unless the client supports the msg packet.	3016	the message unless the client supports the msg packet.
2633		3017
2634	=cut	3018	=cut
2635		3019
		3020	# non-persistent channels (usually the info channel)
2636	our %CHANNEL = (	3021	our %CHANNEL = (
		3022	"c/motd" => {
		3023	id => "infobox",
		3024	title => "MOTD",
		3025	reply => undef,
		3026	tooltip => "The message of the day",
		3027	},
2637	"c/identify" => {	3028	"c/identify" => {
2638	id => "infobox",	3029	id => "infobox",
2639	title => "Identify",	3030	title => "Identify",
2640	reply => undef,	3031	reply => undef,
2641	tooltip => "Items recently identified",	3032	tooltip => "Items recently identified",
…		…
2644	id => "infobox",	3035	id => "infobox",
2645	title => "Examine",	3036	title => "Examine",
2646	reply => undef,	3037	reply => undef,
2647	tooltip => "Signs and other items you examined",	3038	tooltip => "Signs and other items you examined",
2648	},	3039	},
		3040	"c/shopinfo" => {
		3041	id => "infobox",
		3042	title => "Shop Info",
		3043	reply => undef,
		3044	tooltip => "What your bargaining skill tells you about the shop",
		3045	},
		3046	"c/book" => {
		3047	id => "infobox",
		3048	title => "Book",
		3049	reply => undef,
		3050	tooltip => "The contents of a note or book",
		3051	},
2649	"c/lookat" => {	3052	"c/lookat" => {
2650	id => "infobox",	3053	id => "infobox",
2651	title => "Look",	3054	title => "Look",
2652	reply => undef,	3055	reply => undef,
2653	tooltip => "What you saw there",	3056	tooltip => "What you saw there",
2654	},	3057	},
		3058	"c/who" => {
		3059	id => "infobox",
		3060	title => "Players",
		3061	reply => undef,
		3062	tooltip => "Shows players who are currently online",
		3063	},
		3064	"c/body" => {
		3065	id => "infobox",
		3066	title => "Body Parts",
		3067	reply => undef,
		3068	tooltip => "Shows which body parts you posess and are available",
		3069	},
		3070	"c/statistics" => {
		3071	id => "infobox",
		3072	title => "Statistics",
		3073	reply => undef,
		3074	tooltip => "Shows your primary statistics",
		3075	},
		3076	"c/skills" => {
		3077	id => "infobox",
		3078	title => "Skills",
		3079	reply => undef,
		3080	tooltip => "Shows your experience per skill and item power",
		3081	},
		3082	"c/shopitems" => {
		3083	id => "infobox",
		3084	title => "Shop Items",
		3085	reply => undef,
		3086	tooltip => "Shows the items currently for sale in this shop",
		3087	},
		3088	"c/resistances" => {
		3089	id => "infobox",
		3090	title => "Resistances",
		3091	reply => undef,
		3092	tooltip => "Shows your resistances",
		3093	},
		3094	"c/pets" => {
		3095	id => "infobox",
		3096	title => "Pets",
		3097	reply => undef,
		3098	tooltip => "Shows information abotu your pets/a specific pet",
		3099	},
		3100	"c/perceiveself" => {
		3101	id => "infobox",
		3102	title => "Perceive Self",
		3103	reply => undef,
		3104	tooltip => "You gained detailed knowledge about yourself",
		3105	},
		3106	"c/uptime" => {
		3107	id => "infobox",
		3108	title => "Uptime",
		3109	reply => undef,
		3110	tooltip => "How long the server has been running since last restart",
		3111	},
		3112	"c/mapinfo" => {
		3113	id => "infobox",
		3114	title => "Map Info",
		3115	reply => undef,
		3116	tooltip => "Information related to the maps",
		3117	},
		3118	"c/party" => {
		3119	id => "party",
		3120	title => "Party",
		3121	reply => "gsay ",
		3122	tooltip => "Messages and chat related to your party",
		3123	},
		3124	"c/death" => {
		3125	id => "death",
		3126	title => "Death",
		3127	reply => undef,
		3128	tooltip => "Reason for and more info about your most recent death",
		3129	},
		3130	"c/say" => $SAY_CHANNEL,
		3131	"c/chat" => $CHAT_CHANNEL,
2655	);	3132	);
2656		3133
2657	sub cf::client::send_msg {	3134	sub cf::client::send_msg {
2658	my ($self, $channel, $msg, $color, @extra) = @_;	3135	my ($self, $channel, $msg, $color, @extra) = @_;
2659		3136
2660	$msg = $self->pl->expand_cfpod ($msg);	3137	$msg = $self->pl->expand_cfpod ($msg)
		3138	unless $color & cf::NDI_VERBATIM;
2661		3139
2662	$color &= cf::NDI_CLIENT_MASK; # just in case...	3140	$color &= cf::NDI_CLIENT_MASK; # just in case...
2663		3141
2664	# check predefined channels, for the benefit of C	3142	# check predefined channels, for the benefit of C
2665	if ($CHANNEL{$channel}) {	3143	if ($CHANNEL{$channel}) {
2666	$channel = $CHANNEL{$channel};	3144	$channel = $CHANNEL{$channel};
2667		3145
2668	$self->ext_msg (channel_info => $channel)	3146	$self->ext_msg (channel_info => $channel);
2669	if $self->can_msg;
2670
2671	$channel = $channel->{id};	3147	$channel = $channel->{id};
2672		3148
2673	} elsif (ref $channel) {	3149	} elsif (ref $channel) {
2674	# send meta info to client, if not yet sent	3150	# send meta info to client, if not yet sent
2675	unless (exists $self->{channel}{$channel->{id}}) {	3151	unless (exists $self->{channel}{$channel->{id}}) {
2676	$self->{channel}{$channel->{id}} = $channel;	3152	$self->{channel}{$channel->{id}} = $channel;
2677	$self->ext_msg (channel_info => $channel)	3153	$self->ext_msg (channel_info => $channel);
2678	if $self->can_msg;
2679	}	3154	}
2680		3155
2681	$channel = $channel->{id};	3156	$channel = $channel->{id};
2682	}	3157	}
2683		3158
2684	return unless @extra || length $msg;	3159	return unless @extra || length $msg;
2685		3160
2686	if ($self->can_msg) {
2687	# default colour, mask it out	3161	# default colour, mask it out
2688	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3162	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2689	if $color & cf::NDI_DEF;	3163	if $color & cf::NDI_DEF;
2690		3164
2691	$self->send_packet ("msg " . $self->{json_coder}->encode (	3165	my $pkt = "msg "
		3166	. $self->{json_coder}->encode (
2692	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3167	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2693	} else {	3168	);
2694	if ($color >= 0) {
2695	# replace some tags by gcfclient-compatible ones
2696	for ($msg) {
2697	1 while
2698	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2699	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2700	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2701	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2702	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2703	}
2704		3169
2705	$color &= cf::NDI_COLOR_MASK;	3170	$self->send_big_packet ($pkt);
2706
2707	utf8::encode $msg;
2708
2709	if (0 && $msg =~ /\[/) {
2710	# COMMAND/INFO
2711	$self->send_packet ("drawextinfo $color 10 8 $msg")
2712	} else {
2713	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2714	$self->send_packet ("drawinfo $color $msg")
2715	}
2716	}
2717	}
2718	}	3171	}
2719		3172
2720	=item $client->ext_msg ($type, @msg)	3173	=item $client->ext_msg ($type, @msg)
2721		3174
2722	Sends an ext event to the client.	3175	Sends an ext event to the client.
…		…
2725		3178
2726	sub cf::client::ext_msg($$@) {	3179	sub cf::client::ext_msg($$@) {
2727	my ($self, $type, @msg) = @_;	3180	my ($self, $type, @msg) = @_;
2728		3181
2729	if ($self->extcmd == 2) {	3182	if ($self->extcmd == 2) {
2730	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3183	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2731	} elsif ($self->extcmd == 1) { # TODO: remove	3184	} elsif ($self->extcmd == 1) { # TODO: remove
2732	push @msg, msgtype => "event_$type";	3185	push @msg, msgtype => "event_$type";
2733	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3186	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2734	}	3187	}
2735	}	3188	}
2736		3189
2737	=item $client->ext_reply ($msgid, @msg)	3190	=item $client->ext_reply ($msgid, @msg)
2738		3191
…		…
2742		3195
2743	sub cf::client::ext_reply($$@) {	3196	sub cf::client::ext_reply($$@) {
2744	my ($self, $id, @msg) = @_;	3197	my ($self, $id, @msg) = @_;
2745		3198
2746	if ($self->extcmd == 2) {	3199	if ($self->extcmd == 2) {
2747	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3200	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2748	} elsif ($self->extcmd == 1) {	3201	} elsif ($self->extcmd == 1) {
2749	#TODO: version 1, remove	3202	#TODO: version 1, remove
2750	unshift @msg, msgtype => "reply", msgid => $id;	3203	unshift @msg, msgtype => "reply", msgid => $id;
2751	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3204	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2752	}	3205	}
2753	}	3206	}
2754		3207
2755	=item $success = $client->query ($flags, "text", \&cb)	3208	=item $success = $client->query ($flags, "text", \&cb)
2756		3209
…		…
2827		3280
2828	$ns->ext_reply ($reply, @reply)	3281	$ns->ext_reply ($reply, @reply)
2829	if $reply;	3282	if $reply;
2830		3283
2831	} else {	3284	} else {
2832	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3285	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2833	}	3286	}
2834		3287
2835	cf::override;	3288	cf::override;
2836	},	3289	},
2837	);	3290	);
…		…
2857		3310
2858	$coro	3311	$coro
2859	}	3312	}
2860		3313
2861	cf::client->attach (	3314	cf::client->attach (
2862	on_destroy => sub {	3315	on_client_destroy => sub {
2863	my ($ns) = @_;	3316	my ($ns) = @_;
2864		3317
2865	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3318	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2866	},	3319	},
2867	);	3320	);
…		…
2883	our $safe_hole = new Safe::Hole;	3336	our $safe_hole = new Safe::Hole;
2884		3337
2885	$SIG{FPE} = 'IGNORE';	3338	$SIG{FPE} = 'IGNORE';
2886		3339
2887	$safe->permit_only (Opcode::opset qw(	3340	$safe->permit_only (Opcode::opset qw(
2888	:base_core :base_mem :base_orig :base_math	3341	:base_core :base_mem :base_orig :base_math :base_loop
2889	grepstart grepwhile mapstart mapwhile	3342	grepstart grepwhile mapstart mapwhile
2890	sort time	3343	sort time
2891	));	3344	));
2892		3345
2893	# here we export the classes and methods available to script code	3346	# here we export the classes and methods available to script code
…		…
2895	=pod	3348	=pod
2896		3349
2897	The following functions and methods are available within a safe environment:	3350	The following functions and methods are available within a safe environment:
2898		3351
2899	cf::object	3352	cf::object
2900	contr pay_amount pay_player map x y force_find force_add	3353	contr pay_amount pay_player map x y force_find force_add destroy
2901	insert remove name archname title slaying race decrease_ob_nr	3354	insert remove name archname title slaying race decrease split
		3355	value
2902		3356
2903	cf::object::player	3357	cf::object::player
2904	player	3358	player
2905		3359
2906	cf::player	3360	cf::player
…		…
2911		3365
2912	=cut	3366	=cut
2913		3367
2914	for (	3368	for (
2915	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3369	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2916	insert remove inv name archname title slaying race	3370	insert remove inv nrof name archname title slaying race
2917	decrease_ob_nr)],	3371	decrease split destroy change_exp value msg lore send_msg)],
2918	["cf::object::player" => qw(player)],	3372	["cf::object::player" => qw(player)],
2919	["cf::player" => qw(peaceful)],	3373	["cf::player" => qw(peaceful send_msg)],
2920	["cf::map" => qw(trigger)],	3374	["cf::map" => qw(trigger)],
2921	) {	3375	) {
2922	no strict 'refs';
2923	my ($pkg, @funs) = @$_;	3376	my ($pkg, @funs) = @$_;
2924	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3377	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2925	for @funs;	3378	for @funs;
2926	}	3379	}
2927		3380
…		…
2942		3395
2943	my $qcode = $code;	3396	my $qcode = $code;
2944	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3397	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2945	$qcode =~ s/\n/\\n/g;	3398	$qcode =~ s/\n/\\n/g;
2946		3399
		3400	%vars = (_dummy => 0) unless %vars;
		3401
		3402	my @res;
2947	local $_;	3403	local $_;
2948	local @safe::cf::_safe_eval_args = values %vars;
2949		3404
2950	my $eval =	3405	my $eval =
2951	"do {\n"	3406	"do {\n"
2952	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3407	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2953	. "#line 0 \"{$qcode}\"\n"	3408	. "#line 0 \"{$qcode}\"\n"
2954	. $code	3409	. $code
2955	. "\n}"	3410	. "\n}"
2956	;	3411	;
2957		3412
		3413	if ($CFG{safe_eval}) {
2958	sub_generation_inc;	3414	sub_generation_inc;
		3415	local @safe::cf::_safe_eval_args = values %vars;
2959	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3416	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2960	sub_generation_inc;	3417	sub_generation_inc;
		3418	} else {
		3419	local @cf::_safe_eval_args = values %vars;
		3420	@res = wantarray ? eval eval : scalar eval $eval;
		3421	}
2961		3422
2962	if ($@) {	3423	if ($@) {
2963	warn "$@";	3424	warn "$@",
2964	warn "while executing safe code '$code'\n";	3425	"while executing safe code '$code'\n",
2965	warn "with arguments " . (join " ", %vars) . "\n";	3426	"with arguments " . (join " ", %vars) . "\n";
2966	}	3427	}
2967		3428
2968	wantarray ? @res : $res[0]	3429	wantarray ? @res : $res[0]
2969	}	3430	}
2970		3431
…		…
2984	=cut	3445	=cut
2985		3446
2986	sub register_script_function {	3447	sub register_script_function {
2987	my ($fun, $cb) = @_;	3448	my ($fun, $cb) = @_;
2988		3449
2989	no strict 'refs';	3450	$fun = "safe::$fun" if $CFG{safe_eval};
2990	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3451	*$fun = $safe_hole->wrap ($cb);
2991	}	3452	}
2992		3453
2993	=back	3454	=back
2994		3455
2995	=cut	3456	=cut
…		…
3004	# for this (global event?)	3465	# for this (global event?)
3005	%ext::player_env::MUSIC_FACE_CACHE = ();	3466	%ext::player_env::MUSIC_FACE_CACHE = ();
3006		3467
3007	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3468	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3008		3469
3009	warn "loading facedata from $path\n";	3470	trace "loading facedata from $path\n";
3010		3471
3011	my $facedata;	3472	my $facedata = decode_storable load_file $path;
3012	0 < aio_load $path, $facedata
3013	or die "$path: $!";
3014
3015	$facedata = Coro::Storable::thaw $facedata;
3016		3473
3017	$facedata->{version} == 2	3474	$facedata->{version} == 2
3018	or cf::cleanup "$path: version mismatch, cannot proceed.";	3475	or cf::cleanup "$path: version mismatch, cannot proceed.";
3019		3476
3020	# patch in the exptable	3477	# patch in the exptable
		3478	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3021	$facedata->{resource}{"res/exp_table"} = {	3479	$facedata->{resource}{"res/exp_table"} = {
3022	type => FT_RSRC,	3480	type => FT_RSRC,
3023	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3481	data => $exp_table,
		3482	hash => (Digest::MD5::md5 $exp_table),
3024	};	3483	};
3025	cf::cede_to_tick;	3484	cf::cede_to_tick;
3026		3485
3027	{	3486	{
3028	my $faces = $facedata->{faceinfo};	3487	my $faces = $facedata->{faceinfo};
3029		3488
3030	while (my ($face, $info) = each %$faces) {	3489	while (my ($face, $info) = each %$faces) {
3031	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3490	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3491
3032	cf::face::set_visibility $idx, $info->{visibility};	3492	cf::face::set_visibility $idx, $info->{visibility};
3033	cf::face::set_magicmap $idx, $info->{magicmap};	3493	cf::face::set_magicmap $idx, $info->{magicmap};
3034	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3494	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3035	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3495	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3496	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
3036		3497
3037	cf::cede_to_tick;	3498	cf::cede_to_tick;
3038	}	3499	}
3039		3500
3040	while (my ($face, $info) = each %$faces) {	3501	while (my ($face, $info) = each %$faces) {
3041	next unless $info->{smooth};	3502	next unless $info->{smooth};
		3503
3042	my $idx = cf::face::find $face	3504	my $idx = cf::face::find $face
3043	or next;	3505	or next;
		3506
3044	if (my $smooth = cf::face::find $info->{smooth}) {	3507	if (my $smooth = cf::face::find $info->{smooth}) {
3045	cf::face::set_smooth $idx, $smooth;	3508	cf::face::set_smooth $idx, $smooth;
3046	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3509	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3047	} else {	3510	} else {
3048	warn "smooth face '$info->{smooth}' not found for face '$face'";	3511	error "smooth face '$info->{smooth}' not found for face '$face'";
3049	}	3512	}
3050		3513
3051	cf::cede_to_tick;	3514	cf::cede_to_tick;
3052	}	3515	}
3053	}	3516	}
…		…
3062		3525
3063	cf::anim::invalidate_all; # d'oh	3526	cf::anim::invalidate_all; # d'oh
3064	}	3527	}
3065		3528
3066	{	3529	{
3067	# TODO: for gcfclient pleasure, we should give resources
3068	# that gcfclient doesn't grok a >10000 face index.
3069	my $res = $facedata->{resource};	3530	my $res = $facedata->{resource};
3070		3531
3071	my $soundconf = delete $res->{"res/sound.conf"};
3072
3073	while (my ($name, $info) = each %$res) {	3532	while (my ($name, $info) = each %$res) {
		3533	if (defined $info->{type}) {
3074	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3534	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3075	my $data;
3076		3535
3077	if ($info->{type} & 1) {	3536	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3078	# prepend meta info	3537	cf::face::set_type $idx, $info->{type};
3079
3080	my $meta = $enc->encode ({
3081	name => $name,
3082	%{ $info->{meta} || {} },
3083	});
3084
3085	$data = pack "(w/a*)*", $meta, $info->{data};
3086	} else {	3538	} else {
3087	$data = $info->{data};	3539	$RESOURCE{$name} = $info; # unused
3088	}	3540	}
3089		3541
3090	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3091	cf::face::set_type $idx, $info->{type};
3092
3093	cf::cede_to_tick;	3542	cf::cede_to_tick;
3094	}	3543	}
3095
3096	if ($soundconf) {
3097	$soundconf = $enc->decode (delete $soundconf->{data});
3098
3099	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3100	my $sound = $soundconf->{compat}[$_]
3101	or next;
3102
3103	my $face = cf::face::find "sound/$sound->[1]";
3104	cf::sound::set $sound->[0] => $face;
3105	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3106	}
3107
3108	while (my ($k, $v) = each %{$soundconf->{event}}) {
3109	my $face = cf::face::find "sound/$v";
3110	cf::sound::set $k => $face;
3111	}
3112	}
3113	}	3544	}
		3545
		3546	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3114		3547
3115	1	3548	1
3116	}	3549	}
3117		3550
3118	register_exticmd fx_want => sub {	3551	register_exticmd fx_want => sub {
…		…
3120		3553
3121	while (my ($k, $v) = each %$want) {	3554	while (my ($k, $v) = each %$want) {
3122	$ns->fx_want ($k, $v);	3555	$ns->fx_want ($k, $v);
3123	}	3556	}
3124	};	3557	};
		3558
		3559	sub load_resource_file($) {
		3560	my $guard = lock_acquire "load_resource_file";
		3561
		3562	my $status = load_resource_file_ $_[0];
		3563	get_slot 0.1, 100;
		3564	cf::arch::commit_load;
		3565
		3566	$status
		3567	}
3125		3568
3126	sub reload_regions {	3569	sub reload_regions {
3127	# HACK to clear player env face cache, we need some signal framework	3570	# HACK to clear player env face cache, we need some signal framework
3128	# for this (global event?)	3571	# for this (global event?)
3129	%ext::player_env::MUSIC_FACE_CACHE = ();	3572	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3143	}	3586	}
3144		3587
3145	sub reload_archetypes {	3588	sub reload_archetypes {
3146	load_resource_file "$DATADIR/archetypes"	3589	load_resource_file "$DATADIR/archetypes"
3147	or die "unable to load archetypes\n";	3590	or die "unable to load archetypes\n";
3148	#d# NEED to laod twice to resolve forward references
3149	# this really needs to be done in an extra post-pass
3150	# (which needs to be synchronous, so solve it differently)
3151	load_resource_file "$DATADIR/archetypes"
3152	or die "unable to load archetypes\n";
3153	}	3591	}
3154		3592
3155	sub reload_treasures {	3593	sub reload_treasures {
3156	load_resource_file "$DATADIR/treasures"	3594	load_resource_file "$DATADIR/treasures"
3157	or die "unable to load treasurelists\n";	3595	or die "unable to load treasurelists\n";
3158	}	3596	}
3159		3597
		3598	sub reload_sound {
		3599	trace "loading sound config from $DATADIR/sound\n";
		3600
		3601	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3602
		3603	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3604	my $sound = $soundconf->{compat}[$_]
		3605	or next;
		3606
		3607	my $face = cf::face::find "sound/$sound->[1]";
		3608	cf::sound::set $sound->[0] => $face;
		3609	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3610	}
		3611
		3612	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3613	my $face = cf::face::find "sound/$v";
		3614	cf::sound::set $k => $face;
		3615	}
		3616	}
		3617
3160	sub reload_resources {	3618	sub reload_resources {
3161	warn "reloading resource files...\n";	3619	trace "reloading resource files...\n";
3162		3620
		3621	reload_exp_table;
		3622	reload_materials;
		3623	reload_facedata;
		3624	reload_sound;
		3625	reload_archetypes;
3163	reload_regions;	3626	reload_regions;
3164	reload_facedata;
3165	#reload_archetypes;#d#
3166	reload_archetypes;
3167	reload_treasures;	3627	reload_treasures;
3168		3628
3169	warn "finished reloading resource files\n";	3629	trace "finished reloading resource files\n";
3170	}
3171
3172	sub init {
3173	reload_resources;
3174	}	3630	}
3175		3631
3176	sub reload_config {	3632	sub reload_config {
3177	open my $fh, "<:utf8", "$CONFDIR/config"	3633	trace "reloading config file...\n";
3178	or return;
3179		3634
3180	local $/;	3635	my $config = load_file "$CONFDIR/config";
3181	*CFG = YAML::Syck::Load <$fh>;	3636	utf8::decode $config;
		3637	*CFG = decode_yaml $config;
3182		3638
3183	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3639	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3184		3640
3185	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3641	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3186	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3642	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3187		3643
3188	if (exists $CFG{mlockall}) {	3644	if (exists $CFG{mlockall}) {
…		…
3192	};	3648	};
3193	warn $@ if $@;	3649	warn $@ if $@;
3194	}	3650	}
3195	}	3651	}
3196		3652
		3653	sub pidfile() {
		3654	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3655	or die "$PIDFILE: $!";
		3656	flock $fh, &Fcntl::LOCK_EX
		3657	or die "$PIDFILE: flock: $!";
		3658	$fh
		3659	}
		3660
		3661	# make sure only one server instance is running at any one time
		3662	sub atomic {
		3663	my $fh = pidfile;
		3664
		3665	my $pid = <$fh>;
		3666	kill 9, $pid if $pid > 0;
		3667
		3668	seek $fh, 0, 0;
		3669	print $fh $$;
		3670	}
		3671
		3672	sub main_loop {
		3673	trace "EV::loop starting\n";
		3674	if (1) {
		3675	EV::loop;
		3676	}
		3677	trace "EV::loop returned\n";
		3678	goto &main_loop unless $REALLY_UNLOOP;
		3679	}
		3680
3197	sub main {	3681	sub main {
		3682	cf::init_globals; # initialise logging
		3683
		3684	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3685	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3686	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3687	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3688
		3689	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3690
3198	# we must not ever block the main coroutine	3691	# we must not ever block the main coroutine
3199	local $Coro::idle = sub {	3692	local $Coro::idle = sub {
3200	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3693	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3201	(async {	3694	(async {
3202	$Coro::current->{desc} = "IDLE BUG HANDLER";	3695	$Coro::current->{desc} = "IDLE BUG HANDLER";
3203	Event::one_event;	3696	EV::loop EV::LOOP_ONESHOT;
3204	})->prio (Coro::PRIO_MAX);	3697	})->prio (Coro::PRIO_MAX);
3205	};	3698	};
3206		3699
		3700	evthread_start IO::AIO::poll_fileno;
		3701
		3702	cf::sync_job {
		3703	cf::incloader::init ();
		3704
		3705	cf::init_anim;
		3706	cf::init_attackmess;
		3707	cf::init_dynamic;
		3708
		3709	cf::load_settings;
		3710
		3711	reload_resources;
3207	reload_config;	3712	reload_config;
3208	db_init;	3713	db_init;
		3714
		3715	cf::init_uuid;
		3716	cf::init_signals;
		3717	cf::init_skills;
		3718
		3719	cf::init_beforeplay;
		3720
		3721	atomic;
		3722
3209	load_extensions;	3723	load_extensions;
3210		3724
3211	$TICK_WATCHER->start;	3725	utime time, time, $RUNTIMEFILE;
3212	Event::loop;	3726
		3727	# no (long-running) fork's whatsoever before this point(!)
		3728	use POSIX ();
		3729	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3730
		3731	cf::_post_init 0;
		3732	};
		3733
		3734	cf::object::thawer::errors_are_fatal 0;
		3735	info "parse errors in files are no longer fatal from this point on.\n";
		3736
		3737	my $free_main; $free_main = EV::idle sub {
		3738	undef $free_main;
		3739	undef &main; # free gobs of memory :)
		3740	};
		3741
		3742	goto &main_loop;
3213	}	3743	}
3214		3744
3215	#############################################################################	3745	#############################################################################
3216	# initialisation and cleanup	3746	# initialisation and cleanup
3217		3747
3218	# install some emergency cleanup handlers	3748	# install some emergency cleanup handlers
3219	BEGIN {	3749	BEGIN {
		3750	our %SIGWATCHER = ();
3220	for my $signal (qw(INT HUP TERM)) {	3751	for my $signal (qw(INT HUP TERM)) {
3221	Event->signal (	3752	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3222	reentrant => 0,
3223	data => WF_AUTOCANCEL,
3224	signal => $signal,
3225	prio => 0,
3226	cb => sub {
3227	cf::cleanup "SIG$signal";	3753	cf::cleanup "SIG$signal";
3228	},
3229	);	3754	};
3230	}	3755	}
3231	}	3756	}
3232		3757
3233	sub write_runtime {	3758	sub write_runtime_sync {
3234	my $runtime = "$LOCALDIR/runtime";	3759	my $t0 = AE::time;
3235		3760
3236	# first touch the runtime file to show we are still running:	3761	# first touch the runtime file to show we are still running:
3237	# the fsync below can take a very very long time.	3762	# the fsync below can take a very very long time.
3238		3763
3239	IO::AIO::aio_utime $runtime, undef, undef;	3764	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3240		3765
3241	my $guard = cf::lock_acquire "write_runtime";	3766	my $guard = cf::lock_acquire "write_runtime";
3242		3767
3243	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3768	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3244	or return;	3769	or return;
3245		3770
3246	my $value = $cf::RUNTIME + 90 + 10;	3771	my $value = $cf::RUNTIME + 90 + 10;
3247	# 10 is the runtime save interval, for a monotonic clock	3772	# 10 is the runtime save interval, for a monotonic clock
3248	# 60 allows for the watchdog to kill the server.	3773	# 60 allows for the watchdog to kill the server.
…		…
3258	aio_utime $fh, undef, undef;	3783	aio_utime $fh, undef, undef;
3259		3784
3260	close $fh	3785	close $fh
3261	or return;	3786	or return;
3262		3787
3263	aio_rename "$runtime~", $runtime	3788	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3264	and return;	3789	and return;
3265		3790
3266	warn "runtime file written.\n";	3791	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3267		3792
3268	1	3793	1
		3794	}
		3795
		3796	our $uuid_lock;
		3797	our $uuid_skip;
		3798
		3799	sub write_uuid_sync($) {
		3800	$uuid_skip ||= $_[0];
		3801
		3802	return if $uuid_lock;
		3803	local $uuid_lock = 1;
		3804
		3805	my $uuid = "$LOCALDIR/uuid";
		3806
		3807	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3808	or return;
		3809
		3810	my $value = uuid_seq uuid_cur;
		3811
		3812	unless ($value) {
		3813	info "cowardly refusing to write zero uuid value!\n";
		3814	return;
		3815	}
		3816
		3817	my $value = uuid_str $value + $uuid_skip;
		3818	$uuid_skip = 0;
		3819
		3820	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3821	and return;
		3822
		3823	# always fsync - this file is important
		3824	aio_fsync $fh
		3825	and return;
		3826
		3827	close $fh
		3828	or return;
		3829
		3830	aio_rename "$uuid~", $uuid
		3831	and return;
		3832
		3833	trace "uuid file written ($value).\n";
		3834
		3835	1
		3836
		3837	}
		3838
		3839	sub write_uuid($$) {
		3840	my ($skip, $sync) = @_;
		3841
		3842	$sync ? write_uuid_sync $skip
		3843	: async { write_uuid_sync $skip };
3269	}	3844	}
3270		3845
3271	sub emergency_save() {	3846	sub emergency_save() {
3272	my $freeze_guard = cf::freeze_mainloop;	3847	my $freeze_guard = cf::freeze_mainloop;
3273		3848
3274	warn "enter emergency perl save\n";	3849	info "emergency_perl_save: enter\n";
		3850
		3851	# this is a trade-off: we want to be very quick here, so
		3852	# save all maps without fsync, and later call a global sync
		3853	# (which in turn might be very very slow)
		3854	local $USE_FSYNC = 0;
3275		3855
3276	cf::sync_job {	3856	cf::sync_job {
		3857	cf::write_runtime_sync; # external watchdog should not bark
		3858
3277	# use a peculiar iteration method to avoid tripping on perl	3859	# use a peculiar iteration method to avoid tripping on perl
3278	# refcount bugs in for. also avoids problems with players	3860	# refcount bugs in for. also avoids problems with players
3279	# and maps saved/destroyed asynchronously.	3861	# and maps saved/destroyed asynchronously.
3280	warn "begin emergency player save\n";	3862	info "emergency_perl_save: begin player save\n";
3281	for my $login (keys %cf::PLAYER) {	3863	for my $login (keys %cf::PLAYER) {
3282	my $pl = $cf::PLAYER{$login} or next;	3864	my $pl = $cf::PLAYER{$login} or next;
3283	$pl->valid or next;	3865	$pl->valid or next;
		3866	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3284	$pl->save;	3867	$pl->save;
3285	}	3868	}
3286	warn "end emergency player save\n";	3869	info "emergency_perl_save: end player save\n";
3287		3870
3288	warn "begin emergency map save\n";	3871	cf::write_runtime_sync; # external watchdog should not bark
		3872
		3873	info "emergency_perl_save: begin map save\n";
3289	for my $path (keys %cf::MAP) {	3874	for my $path (keys %cf::MAP) {
3290	my $map = $cf::MAP{$path} or next;	3875	my $map = $cf::MAP{$path} or next;
3291	$map->valid or next;	3876	$map->valid or next;
3292	$map->save;	3877	$map->save;
3293	}	3878	}
3294	warn "end emergency map save\n";	3879	info "emergency_perl_save: end map save\n";
3295		3880
3296	warn "begin emergency database checkpoint\n";	3881	cf::write_runtime_sync; # external watchdog should not bark
		3882
		3883	info "emergency_perl_save: begin database checkpoint\n";
3297	BDB::db_env_txn_checkpoint $DB_ENV;	3884	BDB::db_env_txn_checkpoint $DB_ENV;
3298	warn "end emergency database checkpoint\n";	3885	info "emergency_perl_save: end database checkpoint\n";
		3886
		3887	info "emergency_perl_save: begin write uuid\n";
		3888	write_uuid_sync 1;
		3889	info "emergency_perl_save: end write uuid\n";
		3890
		3891	cf::write_runtime_sync; # external watchdog should not bark
		3892
		3893	trace "emergency_perl_save: syncing database to disk";
		3894	BDB::db_env_txn_checkpoint $DB_ENV;
		3895
		3896	info "emergency_perl_save: starting sync\n";
		3897	IO::AIO::aio_sync sub {
		3898	info "emergency_perl_save: finished sync\n";
		3899	};
		3900
		3901	cf::write_runtime_sync; # external watchdog should not bark
		3902
		3903	trace "emergency_perl_save: flushing outstanding aio requests";
		3904	while (IO::AIO::nreqs || BDB::nreqs) {
		3905	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3906	}
		3907
		3908	cf::write_runtime_sync; # external watchdog should not bark
3299	};	3909	};
3300		3910
3301	warn "leave emergency perl save\n";	3911	info "emergency_perl_save: leave\n";
3302	}	3912	}
3303		3913
3304	sub post_cleanup {	3914	sub post_cleanup {
3305	my ($make_core) = @_;	3915	my ($make_core) = @_;
3306		3916
		3917	IO::AIO::flush;
		3918
3307	warn Carp::longmess "post_cleanup backtrace"	3919	error Carp::longmess "post_cleanup backtrace"
3308	if $make_core;	3920	if $make_core;
		3921
		3922	my $fh = pidfile;
		3923	unlink $PIDFILE if <$fh> == $$;
		3924	}
		3925
		3926	# a safer delete_package, copied from Symbol
		3927	sub clear_package($) {
		3928	my $pkg = shift;
		3929
		3930	# expand to full symbol table name if needed
		3931	unless ($pkg =~ /^main::.*::$/) {
		3932	$pkg = "main$pkg" if $pkg =~ /^::/;
		3933	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3934	$pkg .= '::' unless $pkg =~ /::$/;
		3935	}
		3936
		3937	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3938	my $stem_symtab = *{$stem}{HASH};
		3939
		3940	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3941	or return;
		3942
		3943	# clear all symbols
		3944	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3945	for my $name (keys %$leaf_symtab) {
		3946	_gv_clear *{"$pkg$name"};
		3947	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3948	}
3309	}	3949	}
3310		3950
3311	sub do_reload_perl() {	3951	sub do_reload_perl() {
3312	# can/must only be called in main	3952	# can/must only be called in main
3313	if ($Coro::current != $Coro::main) {	3953	unless (in_main) {
3314	warn "can only reload from main coroutine";	3954	error "can only reload from main coroutine";
3315	return;	3955	return;
3316	}	3956	}
3317		3957
3318	warn "reloading...";	3958	return if $RELOAD++;
3319		3959
3320	warn "entering sync_job";	3960	my $t1 = AE::time;
3321		3961
		3962	while ($RELOAD) {
		3963	cf::get_slot 0.1, -1, "reload_perl";
		3964	info "perl_reload: reloading...";
		3965
		3966	trace "perl_reload: entering sync_job";
		3967
3322	cf::sync_job {	3968	cf::sync_job {
3323	cf::write_runtime; # external watchdog should not bark
3324	cf::emergency_save;	3969	#cf::emergency_save;
3325	cf::write_runtime; # external watchdog should not bark
3326		3970
3327	warn "syncing database to disk";
3328	BDB::db_env_txn_checkpoint $DB_ENV;
3329
3330	# if anything goes wrong in here, we should simply crash as we already saved
3331
3332	warn "cancelling all WF_AUTOCANCEL watchers";
3333	for (Event::all_watchers) {
3334	$_->cancel if $_->data & WF_AUTOCANCEL;
3335	}
3336
3337	warn "flushing outstanding aio requests";
3338	for (;;) {
3339	BDB::flush;
3340	IO::AIO::flush;
3341	Coro::cede;
3342	last unless IO::AIO::nreqs || BDB::nreqs;
3343	warn "iterate...";
3344	}
3345
3346	++$RELOAD;
3347
3348	warn "cancelling all extension coros";	3971	trace "perl_reload: cancelling all extension coros";
3349	$_->cancel for values %EXT_CORO;	3972	$_->cancel for values %EXT_CORO;
3350	%EXT_CORO = ();	3973	%EXT_CORO = ();
3351		3974
3352	warn "removing commands";	3975	trace "perl_reload: removing commands";
3353	%COMMAND = ();	3976	%COMMAND = ();
3354		3977
3355	warn "removing ext/exti commands";	3978	trace "perl_reload: removing ext/exti commands";
3356	%EXTCMD = ();	3979	%EXTCMD = ();
3357	%EXTICMD = ();	3980	%EXTICMD = ();
3358		3981
3359	warn "unloading/nuking all extensions";	3982	trace "perl_reload: unloading/nuking all extensions";
3360	for my $pkg (@EXTS) {	3983	for my $pkg (@EXTS) {
3361	warn "... unloading $pkg";	3984	trace "... unloading $pkg";
3362		3985
3363	if (my $cb = $pkg->can ("unload")) {	3986	if (my $cb = $pkg->can ("unload")) {
3364	eval {	3987	eval {
3365	$cb->($pkg);	3988	$cb->($pkg);
3366	1	3989	1
3367	} or warn "$pkg unloaded, but with errors: $@";	3990	} or error "$pkg unloaded, but with errors: $@";
		3991	}
		3992
		3993	trace "... clearing $pkg";
		3994	clear_package $pkg;
3368	}	3995	}
3369		3996
3370	warn "... nuking $pkg";
3371	Symbol::delete_package $pkg;
3372	}
3373
3374	warn "unloading all perl modules loaded from $LIBDIR";	3997	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3375	while (my ($k, $v) = each %INC) {	3998	while (my ($k, $v) = each %INC) {
3376	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3999	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3377		4000
3378	warn "... unloading $k";	4001	trace "... unloading $k";
3379	delete $INC{$k};	4002	delete $INC{$k};
3380		4003
3381	$k =~ s/\.pm$//;	4004	$k =~ s/\.pm$//;
3382	$k =~ s/\//::/g;	4005	$k =~ s/\//::/g;
3383		4006
3384	if (my $cb = $k->can ("unload_module")) {	4007	if (my $cb = $k->can ("unload_module")) {
3385	$cb->();	4008	$cb->();
		4009	}
		4010
		4011	clear_package $k;
3386	}	4012	}
3387		4013
3388	Symbol::delete_package $k;
3389	}
3390
3391	warn "getting rid of safe::, as good as possible";	4014	trace "perl_reload: getting rid of safe::, as good as possible";
3392	Symbol::delete_package "safe::$_"	4015	clear_package "safe::$_"
3393	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4016	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3394		4017
3395	warn "unloading cf.pm \"a bit\"";	4018	trace "perl_reload: unloading cf.pm \"a bit\"";
3396	delete $INC{"cf.pm"};	4019	delete $INC{"cf.pm"};
3397	delete $INC{"cf/pod.pm"};	4020	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3398		4021
3399	# don't, removes xs symbols, too,	4022	# don't, removes xs symbols, too,
3400	# and global variables created in xs	4023	# and global variables created in xs
3401	#Symbol::delete_package __PACKAGE__;	4024	#clear_package __PACKAGE__;
3402		4025
3403	warn "unload completed, starting to reload now";	4026	info "perl_reload: unload completed, starting to reload now";
3404		4027
3405	warn "reloading cf.pm";	4028	trace "perl_reload: reloading cf.pm";
3406	require cf;	4029	require cf;
3407	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4030	cf::_connect_to_perl_1;
3408		4031
3409	warn "loading config and database again";	4032	trace "perl_reload: loading config and database again";
3410	cf::reload_config;	4033	cf::reload_config;
3411		4034
3412	warn "loading extensions";	4035	trace "perl_reload: loading extensions";
3413	cf::load_extensions;	4036	cf::load_extensions;
3414		4037
		4038	if ($REATTACH_ON_RELOAD) {
3415	warn "reattaching attachments to objects/players";	4039	trace "perl_reload: reattaching attachments to objects/players";
3416	_global_reattach; # objects, sockets	4040	_global_reattach; # objects, sockets
3417	warn "reattaching attachments to maps";	4041	trace "perl_reload: reattaching attachments to maps";
3418	reattach $_ for values %MAP;	4042	reattach $_ for values %MAP;
3419	warn "reattaching attachments to players";	4043	trace "perl_reload: reattaching attachments to players";
3420	reattach $_ for values %PLAYER;	4044	reattach $_ for values %PLAYER;
		4045	}
3421		4046
3422	warn "leaving sync_job";	4047	cf::_post_init 1;
3423		4048
		4049	trace "perl_reload: leaving sync_job";
		4050
3424	1	4051	1
3425	} or do {	4052	} or do {
3426	warn $@;	4053	error $@;
3427	warn "error while reloading, exiting.";	4054	cf::cleanup "perl_reload: error, exiting.";
3428	exit 1;	4055	};
		4056
		4057	--$RELOAD;
3429	};	4058	}
3430		4059
3431	warn "reloaded";	4060	$t1 = AE::time - $t1;
		4061	info "perl_reload: completed in ${t1}s\n";
3432	};	4062	};
3433		4063
3434	our $RELOAD_WATCHER; # used only during reload	4064	our $RELOAD_WATCHER; # used only during reload
3435		4065
3436	sub reload_perl() {	4066	sub reload_perl() {
3437	# doing reload synchronously and two reloads happen back-to-back,	4067	# doing reload synchronously and two reloads happen back-to-back,
3438	# coro crashes during coro_state_free->destroy here.	4068	# coro crashes during coro_state_free->destroy here.
3439		4069
3440	$RELOAD_WATCHER ||= Event->timer (	4070	$RELOAD_WATCHER ||= cf::async {
3441	reentrant => 0,	4071	Coro::AIO::aio_wait cache_extensions;
3442	after => 0,	4072
3443	data => WF_AUTOCANCEL,	4073	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3444	cb => sub {
3445	do_reload_perl;	4074	do_reload_perl;
3446	undef $RELOAD_WATCHER;	4075	undef $RELOAD_WATCHER;
3447	},	4076	};
3448	);	4077	};
3449	}	4078	}
3450		4079
3451	register_command "reload" => sub {	4080	register_command "reload" => sub {
3452	my ($who, $arg) = @_;	4081	my ($who, $arg) = @_;
3453		4082
…		…
3458	reload_perl;	4087	reload_perl;
3459	};	4088	};
3460	}	4089	}
3461	};	4090	};
3462		4091
3463	unshift @INC, $LIBDIR;	4092	#############################################################################
3464		4093
3465	my $bug_warning = 0;	4094	my $bug_warning = 0;
3466		4095
3467	our @WAIT_FOR_TICK;	4096	our @WAIT_FOR_TICK;
3468	our @WAIT_FOR_TICK_BEGIN;	4097	our @WAIT_FOR_TICK_BEGIN;
3469		4098
3470	sub wait_for_tick {	4099	sub wait_for_tick() {
3471	return unless $TICK_WATCHER->is_active;
3472	return if $Coro::current == $Coro::main;	4100	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3473		4101
3474	my $signal = new Coro::Signal;	4102	my $signal = new Coro::Signal;
3475	push @WAIT_FOR_TICK, $signal;	4103	push @WAIT_FOR_TICK, $signal;
3476	$signal->wait;	4104	$signal->wait;
3477	}	4105	}
3478		4106
3479	sub wait_for_tick_begin {	4107	sub wait_for_tick_begin() {
3480	return unless $TICK_WATCHER->is_active;
3481	return if $Coro::current == $Coro::main;	4108	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3482		4109
3483	my $signal = new Coro::Signal;	4110	my $signal = new Coro::Signal;
3484	push @WAIT_FOR_TICK_BEGIN, $signal;	4111	push @WAIT_FOR_TICK_BEGIN, $signal;
3485	$signal->wait;	4112	$signal->wait;
3486	}	4113	}
3487		4114
3488	$TICK_WATCHER = Event->timer (	4115	sub tick {
3489	reentrant => 0,
3490	parked => 1,
3491	prio => 0,
3492	at => $NEXT_TICK || $TICK,
3493	data => WF_AUTOCANCEL,
3494	cb => sub {
3495	if ($Coro::current != $Coro::main) {	4116	if ($Coro::current != $Coro::main) {
3496	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4117	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3497	unless ++$bug_warning > 10;	4118	unless ++$bug_warning > 10;
3498	return;	4119	return;
3499	}	4120	}
3500		4121
3501	$NOW = $tick_start = Event::time;
3502
3503	cf::server_tick; # one server iteration	4122	cf::server_tick; # one server iteration
3504		4123
3505	$RUNTIME += $TICK;	4124	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3506	$NEXT_TICK += $TICK;
3507		4125
3508	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4126	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3509	$NEXT_RUNTIME_WRITE = $NOW + 10;	4127	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3510	Coro::async_pool {	4128	Coro::async_pool {
3511	$Coro::current->{desc} = "runtime saver";	4129	$Coro::current->{desc} = "runtime saver";
3512	write_runtime	4130	write_runtime_sync
3513	or warn "ERROR: unable to write runtime file: $!";	4131	or error "ERROR: unable to write runtime file: $!";
3514	};
3515	}	4132	};
		4133	}
3516		4134
3517	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4135	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3518	$sig->send;	4136	$sig->send;
3519	}	4137	}
3520	while (my $sig = shift @WAIT_FOR_TICK) {	4138	while (my $sig = shift @WAIT_FOR_TICK) {
3521	$sig->send;	4139	$sig->send;
3522	}	4140	}
3523		4141
3524	$NOW = Event::time;	4142	$LOAD = ($NOW - $TICK_START) / $TICK;
3525
3526	# if we are delayed by four ticks or more, skip them all
3527	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3528
3529	$TICK_WATCHER->at ($NEXT_TICK);
3530	$TICK_WATCHER->start;
3531
3532	$LOAD = ($NOW - $tick_start) / $TICK;
3533	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4143	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3534		4144
3535	_post_tick;	4145	if (0) {
		4146	if ($NEXT_TICK) {
		4147	my $jitter = $TICK_START - $NEXT_TICK;
		4148	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4149	debug "jitter $JITTER\n";#d#
		4150	}
3536	},	4151	}
3537	);	4152	}
3538		4153
3539	{	4154	{
		4155	# configure BDB
		4156
3540	BDB::min_parallel 8;	4157	BDB::min_parallel 16;
3541	BDB::max_poll_time $TICK * 0.1;	4158	BDB::max_poll_reqs $TICK * 0.1;
3542	$BDB_POLL_WATCHER = Event->io (	4159	$AnyEvent::BDB::WATCHER->priority (1);
3543	reentrant => 0,
3544	fd => BDB::poll_fileno,
3545	poll => 'r',
3546	prio => 0,
3547	data => WF_AUTOCANCEL,
3548	cb => \&BDB::poll_cb,
3549	);
3550
3551	BDB::set_sync_prepare {
3552	my $status;
3553	my $current = $Coro::current;
3554	(
3555	sub {
3556	$status = $!;
3557	$current->ready; undef $current;
3558	},
3559	sub {
3560	Coro::schedule while defined $current;
3561	$! = $status;
3562	},
3563	)
3564	};
3565		4160
3566	unless ($DB_ENV) {	4161	unless ($DB_ENV) {
3567	$DB_ENV = BDB::db_env_create;	4162	$DB_ENV = BDB::db_env_create;
3568	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4163	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3569	| BDB::LOG_AUTOREMOVE, 1);	4164	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4165	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3570	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4166	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3571	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4167	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3572		4168
3573	cf::sync_job {	4169	cf::sync_job {
3574	eval {	4170	eval {
…		…
3584		4180
3585	cf::cleanup "db_env_open(db): $@" if $@;	4181	cf::cleanup "db_env_open(db): $@" if $@;
3586	};	4182	};
3587	}	4183	}
3588		4184
3589	$BDB_DEADLOCK_WATCHER = Event->timer (	4185	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3590	after => 3,
3591	interval => 1,
3592	hard => 1,
3593	prio => 0,
3594	data => WF_AUTOCANCEL,
3595	cb => sub {
3596	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };	4186	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3597	},
3598	);	4187	};
3599	$BDB_CHECKPOINT_WATCHER = Event->timer (	4188	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3600	after => 11,
3601	interval => 60,
3602	hard => 1,
3603	prio => 0,
3604	data => WF_AUTOCANCEL,
3605	cb => sub {
3606	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4189	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3607	},
3608	);	4190	};
3609	$BDB_TRICKLE_WATCHER = Event->timer (	4191	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3610	after => 5,
3611	interval => 10,
3612	hard => 1,
3613	prio => 0,
3614	data => WF_AUTOCANCEL,
3615	cb => sub {
3616	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4192	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3617	},
3618	);	4193	};
3619	}	4194	}
3620		4195
3621	{	4196	{
		4197	# configure IO::AIO
		4198
3622	IO::AIO::min_parallel 8;	4199	IO::AIO::min_parallel 8;
3623
3624	undef $Coro::AIO::WATCHER;
3625	IO::AIO::max_poll_time $TICK * 0.1;	4200	IO::AIO::max_poll_time $TICK * 0.1;
3626	$AIO_POLL_WATCHER = Event->io (	4201	undef $AnyEvent::AIO::WATCHER;
3627	reentrant => 0,
3628	data => WF_AUTOCANCEL,
3629	fd => IO::AIO::poll_fileno,
3630	poll => 'r',
3631	prio => 6,
3632	cb => \&IO::AIO::poll_cb,
3633	);
3634	}	4202	}
3635		4203
3636	my $_log_backtrace;	4204	our $_log_backtrace;
		4205	our $_log_backtrace_last;
3637		4206
3638	sub _log_backtrace {	4207	sub _log_backtrace {
3639	my ($msg, @addr) = @_;	4208	my ($msg, @addr) = @_;
3640		4209
3641	$msg =~ s/\n//;	4210	$msg =~ s/\n$//;
3642		4211
		4212	if ($_log_backtrace_last eq $msg) {
		4213	LOG llevInfo, "[ABT] $msg\n";
		4214	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3643	# limit the # of concurrent backtraces	4215	# limit the # of concurrent backtraces
3644	if ($_log_backtrace < 2) {	4216	} elsif ($_log_backtrace < 2) {
		4217	$_log_backtrace_last = $msg;
3645	++$_log_backtrace;	4218	++$_log_backtrace;
		4219	my $perl_bt = Carp::longmess $msg;
3646	async {	4220	async {
3647	$Coro::current->{desc} = "abt $msg";	4221	$Coro::current->{desc} = "abt $msg";
3648		4222
3649	my @bt = fork_call {	4223	my @bt = fork_call {
3650	@addr = map { sprintf "%x", $_ } @addr;	4224	@addr = map { sprintf "%x", $_ } @addr;
…		…
3661	}	4235	}
3662		4236
3663	@funcs	4237	@funcs
3664	};	4238	};
3665		4239
3666	LOG llevInfo, "[ABT] $msg\n";	4240	LOG llevInfo, "[ABT] $perl_bt\n";
		4241	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3667	LOG llevInfo, "[ABT] $_\n" for @bt;	4242	LOG llevInfo, "[ABT] $_\n" for @bt;
3668	--$_log_backtrace;	4243	--$_log_backtrace;
3669	};	4244	};
3670	} else {	4245	} else {
3671	LOG llevInfo, "[ABT] $msg\n";	4246	LOG llevInfo, "[ABT] $msg\n";
3672	LOG llevInfo, "[ABT] [suppressed]\n";	4247	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3673	}	4248	}
3674	}	4249	}
3675		4250
3676	# load additional modules	4251	# load additional modules
3677	use cf::pod;	4252	require "cf/$_.pm" for @EXTRA_MODULES;
		4253	cf::_connect_to_perl_2;
3678		4254
3679	END { cf::emergency_save }	4255	END { cf::emergency_save }
3680		4256
3681	1	4257	1
3682		4258

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