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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.385 by root, Fri Oct 12 19:13:26 2007 UTC vs.
Revision 1.570 by root, Wed May 4 07:41:14 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 Event;	30	use EV;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
13	use Storable ();	34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 4.1 ();	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 2.51 ();	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	LOG llevError, Carp::longmess "sync job";#d#	607	#LOG llevError, Carp::longmess "sync job";#d#
433		608
434	# TODO: use suspend/resume instead
435	# (but this is cancel-safe)
436	my $freeze_guard = freeze_mainloop;	609	my $freeze_guard = freeze_mainloop;
437		610
438	my $busy = 1;	611	my $busy = 1;
439	my @res;	612	my @res;
440		613
441	(async {	614	(async {
442	$Coro::current->desc ("sync job coro");	615	$Coro::current->desc ("sync job coro");
443	@res = eval { $job->() };	616	@res = eval { $job->() };
444	warn $@ if $@;	617	error $@ if $@;
445	undef $busy;	618	undef $busy;
446	})->prio (Coro::PRIO_MAX);	619	})->prio (Coro::PRIO_MAX);
447		620
448	while ($busy) {	621	while ($busy) {
449	Coro::cede or Event::one_event;	622	if (Coro::nready) {
		623	Coro::cede_notself;
		624	} else {
		625	EV::loop EV::LOOP_ONESHOT;
450	}	626	}
		627	}
451		628
452	$time = Event::time - $time;	629	my $time = AE::time - $time;
453		630
454	LOG llevError | logBacktrace, Carp::longmess "long sync job"
455	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
456
457	$tick_start += $time; # do not account sync jobs to server load	631	$TICK_START += $time; # do not account sync jobs to server load
458		632
459	wantarray ? @res : $res[0]	633	wantarray ? @res : $res[0]
460	} else {	634	} else {
461	# we are in another coroutine, how wonderful, everything just works	635	# we are in another coroutine, how wonderful, everything just works
462		636
…		…
482	$EXT_CORO{$coro+0} = $coro;	656	$EXT_CORO{$coro+0} = $coro;
483		657
484	$coro	658	$coro
485	}	659	}
486		660
487	=item fork_call { }, $args	661	=item fork_call { }, @args
488		662
489	Executes the given code block with the given arguments in a seperate	663	Executes the given code block with the given arguments in a seperate
490	process, returning the results. Everything must be serialisable with	664	process, returning the results. Everything must be serialisable with
491	Coro::Storable. May, of course, block. Note that the executed sub may	665	Coro::Storable. May, of course, block. Note that the executed sub may
492	never block itself or use any form of Event handling.	666	never block itself or use any form of event handling.
493		667
494	=cut	668	=cut
		669
		670	sub post_fork {
		671	reset_signals;
		672	}
495		673
496	sub fork_call(&@) {	674	sub fork_call(&@) {
497	my ($cb, @args) = @_;	675	my ($cb, @args) = @_;
498		676
499	# we seemingly have to make a local copy of the whole thing,	677	# we seemingly have to make a local copy of the whole thing,
500	# otherwise perl prematurely frees the stuff :/	678	# otherwise perl prematurely frees the stuff :/
501	# TODO: investigate and fix (likely this will be rather laborious)	679	# TODO: investigate and fix (likely this will be rather laborious)
502		680
503	my @res = Coro::Util::fork_eval {	681	my @res = Coro::Util::fork_eval {
504	reset_signals;	682	cf::post_fork;
505	&$cb	683	&$cb
506	}, @args;	684	} @args;
507		685
508	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
509	}	725	}
510		726
511	=item $value = cf::db_get $family => $key	727	=item $value = cf::db_get $family => $key
512		728
513	Returns a single value from the environment database.	729	Returns a single value from the environment database.
…		…
523	within each server.	739	within each server.
524		740
525	=cut	741	=cut
526		742
527	sub db_table($) {	743	sub db_table($) {
		744	cf::error "db_get called from main context"
		745	if $Coro::current == $Coro::main;
		746
528	my ($name) = @_;	747	my ($name) = @_;
529	my $db = BDB::db_create $DB_ENV;	748	my $db = BDB::db_create $DB_ENV;
530		749
531	eval {	750	eval {
532	$db->set_flags (BDB::CHKSUM);	751	$db->set_flags (BDB::CHKSUM);
…		…
542	}	761	}
543		762
544	our $DB;	763	our $DB;
545		764
546	sub db_init {	765	sub db_init {
547	cf::sync_job {
548	$DB ||= db_table "db";	766	$DB ||= db_table "db";
549	};
550	}	767	}
551		768
552	sub db_get($$) {	769	sub db_get($$) {
553	my $key = "$_[0]/$_[1]";	770	my $key = "$_[0]/$_[1]";
554		771
555	cf::sync_job {	772	cf::error "db_get called from main context"
		773	if $Coro::current == $Coro::main;
		774
556	BDB::db_get $DB, undef, $key, my $data;	775	BDB::db_get $DB, undef, $key, my $data;
557		776
558	$! ? ()	777	$! ? ()
559	: $data	778	: $data
560	}
561	}	779	}
562		780
563	sub db_put($$$) {	781	sub db_put($$$) {
564	BDB::dbreq_pri 4;	782	BDB::dbreq_pri 4;
565	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	783	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
593		811
594	my @data;	812	my @data;
595	my $md5;	813	my $md5;
596		814
597	for (0 .. $#$src) {	815	for (0 .. $#$src) {
598	0 <= aio_load $src->[$_], $data[$_]	816	$data[$_] = load_file $src->[$_];
599	or Carp::croak "$src->[$_]: $!";
600	}	817	}
601		818
602	# if processing is expensive, check	819	# if processing is expensive, check
603	# checksum first	820	# checksum first
604	if (1) {	821	if (1) {
…		…
621		838
622	my $t1 = Time::HiRes::time;	839	my $t1 = Time::HiRes::time;
623	my $data = $process->(\@data);	840	my $data = $process->(\@data);
624	my $t2 = Time::HiRes::time;	841	my $t2 = Time::HiRes::time;
625		842
626	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	843	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
627		844
628	db_put cache => "$id/data", $data;	845	db_put cache => "$id/data", $data;
629	db_put cache => "$id/md5" , $md5;	846	db_put cache => "$id/md5" , $md5;
630	db_put cache => "$id/meta", $meta;	847	db_put cache => "$id/meta", $meta;
631		848
…		…
641		858
642	=cut	859	=cut
643		860
644	sub datalog($@) {	861	sub datalog($@) {
645	my ($type, %kv) = @_;	862	my ($type, %kv) = @_;
646	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	863	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
647	}	864	}
648		865
649	=back	866	=back
650		867
651	=cut	868	=cut
652		869
653	#############################################################################	870	#############################################################################
654		871
655	=head2 ATTACHABLE OBJECTS	872	=head2 ATTACHABLE OBJECTS
656		873
657	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
658	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")
659	to it. All such attachable objects support the following methods.	876	to it. All such attachable objects support the following methods.
660		877
661	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>
662	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
663	Crossfire TRT).	880	Deliantra).
664		881
665	=over 4	882	=over 4
666		883
667	=item $attachable->attach ($attachment, key => $value...)	884	=item $attachable->attach ($attachment, key => $value...)
668		885
…		…
712	=item cf::CLASS::attachment $name, ...	929	=item cf::CLASS::attachment $name, ...
713		930
714	Register an attachment by C<$name> through which attachable objects of the	931	Register an attachment by C<$name> through which attachable objects of the
715	given CLASS can refer to this attachment.	932	given CLASS can refer to this attachment.
716		933
717	Some classes such as crossfire maps and objects can specify attachments	934	Some classes such as deliantra maps and objects can specify attachments
718	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.
719		936
720	These calls expect any number of the following handler/hook descriptions:	937	These calls expect any number of the following handler/hook descriptions:
721		938
722	=over 4	939	=over 4
…		…
846		1063
847	} elsif (exists $cb_id{$type}) {	1064	} elsif (exists $cb_id{$type}) {
848	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1065	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
849		1066
850	} elsif (ref $type) {	1067	} elsif (ref $type) {
851	warn "attaching objects not supported, ignoring.\n";	1068	error "attaching objects not supported, ignoring.\n";
852		1069
853	} else {	1070	} else {
854	shift @arg;	1071	shift @arg;
855	warn "attach argument '$type' not supported, ignoring.\n";	1072	error "attach argument '$type' not supported, ignoring.\n";
856	}	1073	}
857	}	1074	}
858	}	1075	}
859		1076
860	sub _object_attach {	1077	sub _object_attach {
…		…
870	_attach $registry, $klass, @attach;	1087	_attach $registry, $klass, @attach;
871	}	1088	}
872		1089
873	$obj->{$name} = \%arg;	1090	$obj->{$name} = \%arg;
874	} else {	1091	} else {
875	warn "object uses attachment '$name' which is not available, postponing.\n";	1092	info "object uses attachment '$name' which is not available, postponing.\n";
876	}	1093	}
877		1094
878	$obj->{_attachment}{$name} = undef;	1095	$obj->{_attachment}{$name} = undef;
879	}	1096	}
880		1097
…		…
939		1156
940	for (@$callbacks) {	1157	for (@$callbacks) {
941	eval { &{$_->[1]} };	1158	eval { &{$_->[1]} };
942		1159
943	if ($@) {	1160	if ($@) {
944	warn "$@";
945	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1161	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
946	override;	1162	override;
947	}	1163	}
948		1164
949	return 1 if $override;	1165	return 1 if $override;
950	}	1166	}
951		1167
952	0	1168	0
953	}	1169	}
954		1170
955	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1171	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
956		1172
957	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1173	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
958		1174
959	Generate an object-specific event with the given arguments.	1175	Generate an object-specific event with the given arguments.
960		1176
…		…
966		1182
967	=cut	1183	=cut
968		1184
969	#############################################################################	1185	#############################################################################
970	# object support	1186	# object support
971	#
972		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 $SLOW_MERGES;#d#
973	sub _can_merge {	1221	sub _can_merge {
974	my ($ob1, $ob2) = @_;	1222	my ($ob1, $ob2) = @_;
975		1223
976	return 1;#d#	1224	++$SLOW_MERGES;#d#
977		1225
978	#todo#d# kill yourself and do some recursive checking manually without storable	1226	# we do the slow way here
979	sync_job {	1227	return _object_equal $ob1, $ob2
980	my $guard = Coro::Storable::guard;
981	local $Storable::canonical = 1;
982	my $fob1 = Storable::freeze $ob1;
983	my $fob2 = Storable::freeze $ob2;
984	$fob1 eq $fob2
985	}
986	}	1228	}
987		1229
988	sub reattach {	1230	sub reattach {
989	# basically do the same as instantiate, without calling instantiate	1231	# basically do the same as instantiate, without calling instantiate
990	my ($obj) = @_;	1232	my ($obj) = @_;
991		1233
		1234	# no longer needed after getting rid of delete_package?
992	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
993		1236
994	my $registry = $obj->registry;	1237	my $registry = $obj->registry;
995		1238
996	@$registry = ();	1239	@$registry = ();
997		1240
…		…
1002	for (@$attach) {	1245	for (@$attach) {
1003	my ($klass, @attach) = @$_;	1246	my ($klass, @attach) = @$_;
1004	_attach $registry, $klass, @attach;	1247	_attach $registry, $klass, @attach;
1005	}	1248	}
1006	} else {	1249	} else {
1007	warn "object uses attachment '$name' that is not available, postponing.\n";	1250	info "object uses attachment '$name' that is not available, postponing.\n";
1008	}	1251	}
1009	}	1252	}
1010	}	1253	}
1011		1254
1012	cf::attachable->attach (	1255	cf::attachable->attach (
1013	prio => -1000000,	1256	prio => -1000000,
1014	on_instantiate => sub {	1257	on_instantiate => sub {
1015	my ($obj, $data) = @_;	1258	my ($obj, $data) = @_;
1016		1259
1017	$data = from_json $data;	1260	$data = decode_json $data;
1018		1261
1019	for (@$data) {	1262	for (@$data) {
1020	my ($name, $args) = @$_;	1263	my ($name, $args) = @$_;
1021		1264
1022	$obj->attach ($name, %{$args || {} });	1265	$obj->attach ($name, %{$args || {} });
…		…
1039	my ($filename, $rdata, $objs) = @_;	1282	my ($filename, $rdata, $objs) = @_;
1040		1283
1041	sync_job {	1284	sync_job {
1042	if (length $$rdata) {	1285	if (length $$rdata) {
1043	utf8::decode (my $decname = $filename);	1286	utf8::decode (my $decname = $filename);
1044	warn sprintf "saving %s (%d,%d)\n",	1287	trace sprintf "saving %s (%d,%d)\n",
1045	$decname, length $$rdata, scalar @$objs;	1288	$decname, length $$rdata, scalar @$objs
		1289	if $VERBOSE_IO;
1046		1290
1047	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1291	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1048	chmod SAVE_MODE, $fh;	1292	aio_chmod $fh, SAVE_MODE;
1049	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1293	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1050	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	}
1051	close $fh;	1298	aio_close $fh;
1052		1299
1053	if (@$objs) {	1300	if (@$objs) {
1054	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) {
1055	chmod SAVE_MODE, $fh;	1302	aio_chmod $fh, SAVE_MODE;
1056	my $data = Coro::Storable::blocking_nfreeze { version => 1, objs => $objs };	1303	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1057	aio_write $fh, 0, (length $data), $data, 0;	1304	aio_write $fh, 0, (length $data), $data, 0;
1058	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	}
1059	close $fh;	1309	aio_close $fh;
1060	aio_rename "$filename.pst~", "$filename.pst";	1310	aio_rename "$filename.pst~", "$filename.pst";
1061	}	1311	}
1062	} else {	1312	} else {
1063	aio_unlink "$filename.pst";	1313	aio_unlink "$filename.pst";
1064	}	1314	}
1065		1315
1066	aio_rename "$filename~", $filename;	1316	aio_rename "$filename~", $filename;
		1317
		1318	$filename =~ s%/[^/]+$%%;
		1319	aio_pathsync $filename if $cf::USE_FSYNC;
1067	} else {	1320	} else {
1068	warn "FATAL: $filename~: $!\n";	1321	error "unable to save objects: $filename~: $!\n";
1069	}	1322	}
1070	} else {	1323	} else {
1071	aio_unlink $filename;	1324	aio_unlink $filename;
1072	aio_unlink "$filename.pst";	1325	aio_unlink "$filename.pst";
1073	}	1326	}
…		…
1092		1345
1093	unless (aio_stat "$filename.pst") {	1346	unless (aio_stat "$filename.pst") {
1094	(aio_load "$filename.pst", $av) >= 0	1347	(aio_load "$filename.pst", $av) >= 0
1095	or return;	1348	or return;
1096		1349
1097	my $st = eval { Coro::Storable::thaw $av }	1350	my $st = eval { Coro::Storable::thaw $av };
1098	|| eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
1099	$av = $st->{objs};	1351	$av = $st->{objs};
1100	}	1352	}
1101		1353
1102	utf8::decode (my $decname = $filename);	1354	utf8::decode (my $decname = $filename);
1103	warn sprintf "loading %s (%d,%d)\n",	1355	trace sprintf "loading %s (%d,%d)\n",
1104	$decname, length $data, scalar @{$av || []};	1356	$decname, length $data, scalar @{$av || []}
		1357	if $VERBOSE_IO;
1105		1358
1106	($data, $av)	1359	($data, $av)
1107	}	1360	}
1108		1361
1109	=head2 COMMAND CALLBACKS	1362	=head2 COMMAND CALLBACKS
…		…
1165	my ($name, $cb) = @_;	1418	my ($name, $cb) = @_;
1166		1419
1167	$EXTICMD{$name} = $cb;	1420	$EXTICMD{$name} = $cb;
1168	}	1421	}
1169		1422
		1423	use File::Glob ();
		1424
1170	cf::player->attach (	1425	cf::player->attach (
1171	on_command => sub {	1426	on_unknown_command => sub {
1172	my ($pl, $name, $params) = @_;	1427	my ($pl, $name, $params) = @_;
1173		1428
1174	my $cb = $COMMAND{$name}	1429	my $cb = $COMMAND{$name}
1175	or return;	1430	or return;
1176		1431
…		…
1199		1454
1200	$pl->ext_reply ($reply, @reply)	1455	$pl->ext_reply ($reply, @reply)
1201	if $reply;	1456	if $reply;
1202		1457
1203	} else {	1458	} else {
1204	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1459	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1205	}	1460	}
1206		1461
1207	cf::override;	1462	cf::override;
1208	},	1463	},
1209	);	1464	);
1210		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
1211	sub load_extensions {	1479	sub load_extensions {
		1480	info "loading extensions...";
		1481
1212	cf::sync_job {	1482	cf::sync_job {
1213	my %todo;	1483	my %todo;
1214		1484
1215	for my $path (<$LIBDIR/*.ext>) {	1485	for my $path (<$LIBDIR/*.ext>) {
1216	next unless -r $path;	1486	next unless -r $path;
…		…
1234		1504
1235	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1505	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1236	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1506	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1237		1507
1238	$ext{source} =	1508	$ext{source} =
1239	"package $pkg; use strict; use utf8;\n"	1509	"package $pkg; use common::sense;\n"
1240	. "#line 1 \"$path\"\n{\n"	1510	. "#line 1 \"$path\"\n{\n"
1241	. $source	1511	. $source
1242	. "\n};\n1";	1512	. "\n};\n1";
1243		1513
1244	$todo{$base} = \%ext;	1514	$todo{$base} = \%ext;
1245	}	1515	}
1246		1516
		1517	my $pass = 0;
1247	my %done;	1518	my %done;
1248	while (%todo) {	1519	while (%todo) {
1249	my $progress;	1520	my $progress;
1250		1521
		1522	++$pass;
		1523
		1524	ext:
1251	while (my ($k, $v) = each %todo) {	1525	while (my ($k, $v) = each %todo) {
1252	for (split /,\s*/, $v->{meta}{depends}) {	1526	for (split /,\s*/, $v->{meta}{depends}) {
1253	goto skip	1527	next ext
1254	unless exists $done{$_};	1528	unless exists $done{$_};
1255	}	1529	}
1256		1530
1257	warn "... loading '$k' into '$v->{pkg}'\n";	1531	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1258		1532
1259	unless (eval $v->{source}) {	1533	my $active = eval $v->{source};
		1534
		1535	if (length $@) {
1260	my $msg = $@ ? "$v->{path}: $@\n"	1536	error "$v->{path}: $@\n";
1261	: "$v->{base}: extension inactive.\n";
1262		1537
		1538	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1263	if (exists $v->{meta}{mandatory}) {	1539	if exists $v->{meta}{mandatory};
1264	warn $msg;	1540
1265	warn "mandatory extension failed to load, exiting.\n";	1541	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1266	exit 1;	1542	delete $todo{$k};
1267	}	1543	} else {
1268		1544	$done{$k} = delete $todo{$k};
1269	warn $msg;	1545	push @EXTS, $v->{pkg};
		1546	$progress = 1;
		1547
		1548	info "$v->{base}: extension inactive.\n"
		1549	unless $active;
1270	}	1550	}
1271
1272	$done{$k} = delete $todo{$k};
1273	push @EXTS, $v->{pkg};
1274	$progress = 1;
1275	}	1551	}
1276		1552
1277	skip:	1553	unless ($progress) {
1278	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1554	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1279	unless $progress;	1555
		1556	while (my ($k, $v) = each %todo) {
		1557	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1558	if exists $v->{meta}{mandatory};
		1559	}
		1560
		1561	last;
		1562	}
1280	}	1563	}
1281	};	1564	};
1282	}	1565	}
1283		1566
1284	#############################################################################	1567	#############################################################################
1285		1568
1286	=back	1569	=back
1287		1570
1288	=head2 CORE EXTENSIONS	1571	=head2 CORE EXTENSIONS
1289		1572
1290	Functions and methods that extend core crossfire objects.	1573	Functions and methods that extend core deliantra objects.
1291		1574
1292	=cut	1575	=cut
1293		1576
1294	package cf::player;	1577	package cf::player;
1295		1578
…		…
1338		1621
1339	sub exists($) {	1622	sub exists($) {
1340	my ($login) = @_;	1623	my ($login) = @_;
1341		1624
1342	$cf::PLAYER{$login}	1625	$cf::PLAYER{$login}
1343	or cf::sync_job { !aio_stat path $login }	1626	or !aio_stat path $login
1344	}	1627	}
1345		1628
1346	sub find($) {	1629	sub find($) {
1347	return $cf::PLAYER{$_[0]} || do {	1630	return $cf::PLAYER{$_[0]} || do {
1348	my $login = $_[0];	1631	my $login = $_[0];
…		…
1360	my $f = new_from_file cf::object::thawer path $login	1643	my $f = new_from_file cf::object::thawer path $login
1361	or return;	1644	or return;
1362		1645
1363	my $pl = cf::player::load_pl $f	1646	my $pl = cf::player::load_pl $f
1364	or return;	1647	or return;
		1648
1365	local $cf::PLAYER_LOADING{$login} = $pl;	1649	local $cf::PLAYER_LOADING{$login} = $pl;
1366	$f->resolve_delayed_derefs;	1650	$f->resolve_delayed_derefs;
1367	$cf::PLAYER{$login} = $pl	1651	$cf::PLAYER{$login} = $pl
1368	}	1652	}
1369	}	1653	}
1370	}	1654	}
1371		1655
		1656	cf::player->attach (
		1657	on_load => sub {
		1658	my ($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
1372	sub save($) {	1669	sub save($) {
1373	my ($pl) = @_;	1670	my ($pl) = @_;
1374		1671
1375	return if $pl->{deny_save};	1672	return if $pl->{deny_save};
1376		1673
…		…
1379		1676
1380	return if $pl->{deny_save};	1677	return if $pl->{deny_save};
1381		1678
1382	aio_mkdir playerdir $pl, 0770;	1679	aio_mkdir playerdir $pl, 0770;
1383	$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];
1384		1686
1385	$pl->save_pl ($path);	1687	$pl->save_pl ($path);
1386	cf::cede_to_tick;	1688	cf::cede_to_tick;
1387	}	1689	}
1388		1690
…		…
1420	my ($pl) = @_;	1722	my ($pl) = @_;
1421		1723
1422	my $name = $pl->ob->name;	1724	my $name = $pl->ob->name;
1423		1725
1424	$pl->{deny_save} = 1;	1726	$pl->{deny_save} = 1;
1425	$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
1426		1728
1427	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1729	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1428	$pl->deactivate;	1730	$pl->deactivate;
		1731
		1732	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1429	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1733	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1734	ext::highscore::check ($pl->ob);
		1735
1430	$pl->ns->destroy if $pl->ns;	1736	$pl->ns->destroy if $pl->ns;
1431		1737
1432	my $path = playerdir $pl;	1738	my $path = playerdir $pl;
1433	my $temp = "$path~$cf::RUNTIME~deleting~";	1739	my $temp = "$path~$cf::RUNTIME~deleting~";
1434	aio_rename $path, $temp;	1740	aio_rename $path, $temp;
…		…
1472		1778
1473	for my $login (@$dirs) {	1779	for my $login (@$dirs) {
1474	my $path = path $login;	1780	my $path = path $login;
1475		1781
1476	# a .pst is a dead give-away for a valid player	1782	# a .pst is a dead give-away for a valid player
1477	unless (-e "$path.pst") {	1783	# if no pst file found, open and chekc for blocked users
		1784	if (aio_stat "$path.pst") {
1478	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1785	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1479	aio_read $fh, 0, 512, my $buf, 0 or next;	1786	aio_read $fh, 0, 512, my $buf, 0 or next;
1480	$buf !~ /^password -------------$/m or next; # official not-valid tag	1787	$buf !~ /^password -------------$/m or next; # official not-valid tag
1481	}	1788	}
1482		1789
…		…
1486		1793
1487	\@logins	1794	\@logins
1488	}	1795	}
1489		1796
1490	=item $player->maps	1797	=item $player->maps
		1798
		1799	=item cf::player::maps $login
1491		1800
1492	Returns an arrayref of map paths that are private for this	1801	Returns an arrayref of map paths that are private for this
1493	player. May block.	1802	player. May block.
1494		1803
1495	=cut	1804	=cut
…		…
1513	}	1822	}
1514		1823
1515	\@paths	1824	\@paths
1516	}	1825	}
1517		1826
1518	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1827	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1519		1828
1520	Expand crossfire pod fragments into protocol xml.	1829	Expand deliantra pod fragments into protocol xml.
1521
1522	=cut
1523
1524	sub expand_cfpod {
1525	((my $self), (local $_)) = @_;
1526
1527	# escape & and <
1528	s/&/&amp;/g;
1529	s/(?<![BIUGHT])</&lt;/g;
1530
1531	# this is buggy, it needs to properly take care of nested <'s
1532
1533	1 while
1534	# replace B<>, I<>, U<> etc.
1535	s/B<([^\>]*)>/<b>$1<\/b>/
1536	|| s/I<([^\>]*)>/<i>$1<\/i>/
1537	|| s/U<([^\>]*)>/<u>$1<\/u>/
1538	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1539	# replace G<male|female> tags
1540	|| s{G<([^>|]*)\|([^>]*)>}{
1541	$self->gender ? $2 : $1
1542	}ge
1543	# replace H<hint text>
1544	|| s{H<([^\>]*)>}
1545	{
1546	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1547	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1548	"")
1549	[$self->{hintmode}]
1550	}ge;
1551
1552	# create single paragraphs (very hackish)
1553	s/(?<=\S)\n(?=\w)/ /g;
1554
1555	# compress some whitespace
1556	s/\s+\n/\n/g; # ws line-ends
1557	s/\n\n+/\n/g; # double lines
1558	s/^\n+//; # beginning lines
1559	s/\n+$//; # ending lines
1560
1561	$_
1562	}
1563
1564	sub hintmode {
1565	$_[0]{hintmode} = $_[1] if @_ > 1;
1566	$_[0]{hintmode}
1567	}
1568		1830
1569	=item $player->ext_reply ($msgid, @msg)	1831	=item $player->ext_reply ($msgid, @msg)
1570		1832
1571	Sends an ext reply to the player.	1833	Sends an ext reply to the player.
1572		1834
…		…
1604		1866
1605	=cut	1867	=cut
1606		1868
1607	sub find_by_path($) {	1869	sub find_by_path($) {
1608	my ($path) = @_;	1870	my ($path) = @_;
		1871
		1872	$path =~ s/^~[^\/]*//; # skip ~login
1609		1873
1610	my ($match, $specificity);	1874	my ($match, $specificity);
1611		1875
1612	for my $region (list) {	1876	for my $region (list) {
1613	if ($region->{match} && $path =~ $region->{match}) {	1877	if ($region->{match} && $path =~ $region->{match}) {
…		…
1639	our $MAX_RESET = 3600;	1903	our $MAX_RESET = 3600;
1640	our $DEFAULT_RESET = 3000;	1904	our $DEFAULT_RESET = 3000;
1641		1905
1642	sub generate_random_map {	1906	sub generate_random_map {
1643	my ($self, $rmp) = @_;	1907	my ($self, $rmp) = @_;
1644	# mit "rum" bekleckern, nicht	1908
		1909	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1910
1645	$self->_create_random_map (	1911	$self->_create_random_map ($rmp);
1646	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1647	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1648	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1649	$rmp->{exit_on_final_map},
1650	$rmp->{xsize}, $rmp->{ysize},
1651	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1652	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1653	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1654	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1655	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1656	(cf::region::find $rmp->{region}), $rmp->{custom}
1657	)
1658	}	1912	}
1659		1913
1660	=item cf::map->register ($regex, $prio)	1914	=item cf::map->register ($regex, $prio)
1661		1915
1662	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
…		…
1667		1921
1668	sub register {	1922	sub register {
1669	my (undef, $regex, $prio) = @_;	1923	my (undef, $regex, $prio) = @_;
1670	my $pkg = caller;	1924	my $pkg = caller;
1671		1925
1672	no strict;
1673	push @{"$pkg\::ISA"}, __PACKAGE__;	1926	push @{"$pkg\::ISA"}, __PACKAGE__;
1674		1927
1675	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1928	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1676	}	1929	}
1677		1930
1678	# also paths starting with '/'	1931	# also paths starting with '/'
1679	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1932	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1680		1933
1681	sub thawer_merge {	1934	sub thawer_merge {
1682	my ($self, $merge) = @_;	1935	my ($self, $merge) = @_;
1683		1936
1684	# we have to keep some variables in memory intact	1937	# we have to keep some variables in memory intact
…		…
1689	}	1942	}
1690		1943
1691	sub normalise {	1944	sub normalise {
1692	my ($path, $base) = @_;	1945	my ($path, $base) = @_;
1693		1946
1694	$path = "$path"; # make sure its a string	1947	$path = "$path"; # make sure it's a string
1695		1948
1696	$path =~ s/\.map$//;	1949	$path =~ s/\.map$//;
1697		1950
1698	# map plan:	1951	# map plan:
1699	#	1952	#
…		…
1714	$base =~ s{[^/]+/?$}{};	1967	$base =~ s{[^/]+/?$}{};
1715	$path = "$base/$path";	1968	$path = "$base/$path";
1716	}	1969	}
1717		1970
1718	for ($path) {	1971	for ($path) {
1719	redo if s{//}{/};
1720	redo if s{/\.?/}{/};	1972	redo if s{/\.?/}{/};
1721	redo if s{/[^/]+/\.\./}{/};	1973	redo if s{/[^/]+/\.\./}{/};
1722	}	1974	}
1723		1975
1724	$path	1976	$path
…		…
1738	$self->init; # pass $1 etc.	1990	$self->init; # pass $1 etc.
1739	return $self;	1991	return $self;
1740	}	1992	}
1741	}	1993	}
1742		1994
1743	Carp::cluck "unable to resolve path '$path' (base '$base').";	1995	Carp::cluck "unable to resolve path '$path' (base '$base')";
1744	()	1996	()
1745	}	1997	}
1746		1998
		1999	# may re-bless or do other evil things
1747	sub init {	2000	sub init {
1748	my ($self) = @_;	2001	my ($self) = @_;
1749		2002
1750	$self	2003	$self
1751	}	2004	}
…		…
1770		2023
1771	# the temporary/swap location	2024	# the temporary/swap location
1772	sub save_path {	2025	sub save_path {
1773	my ($self) = @_;	2026	my ($self) = @_;
1774		2027
1775	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2028	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1776	"$TMPDIR/$path.map"	2029	"$TMPDIR/$path.map"
1777	}	2030	}
1778		2031
1779	# the unique path, undef == no special unique path	2032	# the unique path, undef == no special unique path
1780	sub uniq_path {	2033	sub uniq_path {
1781	my ($self) = @_;	2034	my ($self) = @_;
1782		2035
1783	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2036	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1784	"$UNIQUEDIR/$path"	2037	"$UNIQUEDIR/$path"
1785	}
1786
1787	# and all this just because we cannot iterate over
1788	# all maps in C++...
1789	sub change_all_map_light {
1790	my ($change) = @_;
1791
1792	$_->change_map_light ($change)
1793	for grep $_->outdoor, values %cf::MAP;
1794	}	2038	}
1795		2039
1796	sub decay_objects {	2040	sub decay_objects {
1797	my ($self) = @_;	2041	my ($self) = @_;
1798		2042
…		…
1825	$self->{load_path} = $path;	2069	$self->{load_path} = $path;
1826		2070
1827	1	2071	1
1828	}	2072	}
1829		2073
		2074	# used to laod the header of an original map
1830	sub load_header_orig {	2075	sub load_header_orig {
1831	my ($self) = @_;	2076	my ($self) = @_;
1832		2077
1833	$self->load_header_from ($self->load_path)	2078	$self->load_header_from ($self->load_path)
1834	}	2079	}
1835		2080
		2081	# used to laod the header of an instantiated map
1836	sub load_header_temp {	2082	sub load_header_temp {
1837	my ($self) = @_;	2083	my ($self) = @_;
1838		2084
1839	$self->load_header_from ($self->save_path)	2085	$self->load_header_from ($self->save_path)
1840	}	2086	}
1841		2087
		2088	# called after loading the header from an instantiated map
1842	sub prepare_temp {	2089	sub prepare_temp {
1843	my ($self) = @_;	2090	my ($self) = @_;
1844		2091
1845	$self->last_access ((delete $self->{last_access})	2092	$self->last_access ((delete $self->{last_access})
1846	|| $cf::RUNTIME); #d#	2093	|| $cf::RUNTIME); #d#
1847	# safety	2094	# safety
1848	$self->{instantiate_time} = $cf::RUNTIME	2095	$self->{instantiate_time} = $cf::RUNTIME
1849	if $self->{instantiate_time} > $cf::RUNTIME;	2096	if $self->{instantiate_time} > $cf::RUNTIME;
1850	}	2097	}
1851		2098
		2099	# called after loading the header from an original map
1852	sub prepare_orig {	2100	sub prepare_orig {
1853	my ($self) = @_;	2101	my ($self) = @_;
1854		2102
1855	$self->{load_original} = 1;	2103	$self->{load_original} = 1;
1856	$self->{instantiate_time} = $cf::RUNTIME;	2104	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1880		2128
1881	sub find;	2129	sub find;
1882	sub find {	2130	sub find {
1883	my ($path, $origin) = @_;	2131	my ($path, $origin) = @_;
1884		2132
		2133	cf::cede_to_tick;
		2134
1885	$path = normalise $path, $origin && $origin->path;	2135	$path = normalise $path, $origin;
1886		2136
1887	cf::lock_wait "map_data:$path";#d#remove	2137	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1888	cf::lock_wait "map_find:$path";	2138	my $guard2 = cf::lock_acquire "map_find:$path";
1889		2139
1890	$cf::MAP{$path} || do {	2140	$cf::MAP{$path} || do {
1891	my $guard1 = cf::lock_acquire "map_find:$path";
1892	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1893
1894	my $map = new_from_path cf::map $path	2141	my $map = new_from_path cf::map $path
1895	or return;	2142	or return;
1896		2143
1897	$map->{last_save} = $cf::RUNTIME;	2144	$map->{last_save} = $cf::RUNTIME;
1898		2145
…		…
1900	or return;	2147	or return;
1901		2148
1902	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2149	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1903	# doing this can freeze the server in a sync job, obviously	2150	# doing this can freeze the server in a sync job, obviously
1904	#$cf::WAIT_FOR_TICK->wait;	2151	#$cf::WAIT_FOR_TICK->wait;
		2152	undef $guard2;
1905	undef $guard1;	2153	undef $guard1;
1906	undef $guard2;
1907	$map->reset;	2154	$map->reset;
1908	return find $path;	2155	return find $path;
1909	}	2156	}
1910		2157
1911	$cf::MAP{$path} = $map	2158	$cf::MAP{$path} = $map
1912	}	2159	}
1913	}	2160	}
1914		2161
1915	sub pre_load { }	2162	sub pre_load { }
1916	sub post_load { }	2163	#sub post_load { } # XS
1917		2164
1918	sub load {	2165	sub load {
1919	my ($self) = @_;	2166	my ($self) = @_;
1920		2167
1921	local $self->{deny_reset} = 1; # loading can take a long time	2168	local $self->{deny_reset} = 1; # loading can take a long time
…		…
1924		2171
1925	{	2172	{
1926	my $guard = cf::lock_acquire "map_data:$path";	2173	my $guard = cf::lock_acquire "map_data:$path";
1927		2174
1928	return unless $self->valid;	2175	return unless $self->valid;
1929	return unless $self->in_memory == cf::MAP_SWAPPED;	2176	return unless $self->state == cf::MAP_SWAPPED;
1930
1931	$self->in_memory (cf::MAP_LOADING);
1932		2177
1933	$self->alloc;	2178	$self->alloc;
1934		2179
1935	$self->pre_load;	2180	$self->pre_load;
1936	cf::cede_to_tick;	2181	cf::cede_to_tick;
1937		2182
		2183	if (exists $self->{load_path}) {
1938	my $f = new_from_file cf::object::thawer $self->{load_path};	2184	my $f = new_from_file cf::object::thawer $self->{load_path};
1939	$f->skip_block;	2185	$f->skip_block;
1940	$self->_load_objects ($f)	2186	$self->_load_objects ($f)
1941	or return;	2187	or return;
1942		2188
1943	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2189	$self->post_load_original
1944	if delete $self->{load_original};	2190	if delete $self->{load_original};
1945		2191
1946	if (my $uniq = $self->uniq_path) {	2192	if (my $uniq = $self->uniq_path) {
1947	utf8::encode $uniq;	2193	utf8::encode $uniq;
1948	unless (aio_stat $uniq) {	2194	unless (aio_stat $uniq) {
1949	if (my $f = new_from_file cf::object::thawer $uniq) {	2195	if (my $f = new_from_file cf::object::thawer $uniq) {
1950	$self->clear_unique_items;	2196	$self->clear_unique_items;
1951	$self->_load_objects ($f);	2197	$self->_load_objects ($f);
1952	$f->resolve_delayed_derefs;	2198	$f->resolve_delayed_derefs;
		2199	}
1953	}	2200	}
1954	}	2201	}
1955	}
1956		2202
1957	$f->resolve_delayed_derefs;	2203	$f->resolve_delayed_derefs;
		2204	} else {
		2205	$self->post_load_original
		2206	if delete $self->{load_original};
		2207	}
		2208
		2209	$self->state (cf::MAP_INACTIVE);
1958		2210
1959	cf::cede_to_tick;	2211	cf::cede_to_tick;
1960	# now do the right thing for maps	2212	# now do the right thing for maps
1961	$self->link_multipart_objects;	2213	$self->link_multipart_objects;
1962	$self->difficulty ($self->estimate_difficulty)	2214	$self->difficulty ($self->estimate_difficulty)
…		…
1966	unless ($self->{deny_activate}) {	2218	unless ($self->{deny_activate}) {
1967	$self->decay_objects;	2219	$self->decay_objects;
1968	$self->fix_auto_apply;	2220	$self->fix_auto_apply;
1969	$self->update_buttons;	2221	$self->update_buttons;
1970	cf::cede_to_tick;	2222	cf::cede_to_tick;
1971	$self->set_darkness_map;	2223	#$self->activate; # no longer activate maps automatically
1972	cf::cede_to_tick;
1973	$self->activate;
1974	}	2224	}
1975		2225
1976	$self->{last_save} = $cf::RUNTIME;	2226	$self->{last_save} = $cf::RUNTIME;
1977	$self->last_access ($cf::RUNTIME);	2227	$self->last_access ($cf::RUNTIME);
1978
1979	$self->in_memory (cf::MAP_IN_MEMORY);
1980	}	2228	}
1981		2229
1982	$self->post_load;	2230	$self->post_load;
1983	}
1984		2231
		2232	1
		2233	}
		2234
		2235	# customize the map for a given player, i.e.
		2236	# return the _real_ map. used by e.g. per-player
		2237	# maps to change the path to ~playername/mappath
1985	sub customise_for {	2238	sub customise_for {
1986	my ($self, $ob) = @_;	2239	my ($self, $ob) = @_;
1987		2240
1988	return find "~" . $ob->name . "/" . $self->{path}	2241	return find "~" . $ob->name . "/" . $self->{path}
1989	if $self->per_player;	2242	if $self->per_player;
…		…
2005	or next;	2258	or next;
2006	$neigh = find $neigh, $map	2259	$neigh = find $neigh, $map
2007	or next;	2260	or next;
2008	$neigh->load;	2261	$neigh->load;
2009		2262
		2263	# now find the diagonal neighbours
2010	push @neigh,	2264	push @neigh,
2011	[$neigh->tile_path (($_ + 3) % 4), $neigh],	2265	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2012	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2266	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2013	}	2267	}
2014		2268
…		…
2021	}	2275	}
2022		2276
2023	sub find_sync {	2277	sub find_sync {
2024	my ($path, $origin) = @_;	2278	my ($path, $origin) = @_;
2025		2279
2026	cf::sync_job { find $path, $origin }	2280	# it's a bug to call this from the main context
		2281	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2282	if $Coro::current == $Coro::main;
		2283
		2284	find $path, $origin
2027	}	2285	}
2028		2286
2029	sub do_load_sync {	2287	sub do_load_sync {
2030	my ($map) = @_;	2288	my ($map) = @_;
2031		2289
		2290	# it's a bug to call this from the main context
2032	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2291	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2033	if $Coro::current == $Coro::main;	2292	if $Coro::current == $Coro::main;
2034		2293
2035	cf::sync_job { $map->load };	2294	$map->load;
2036	}	2295	}
2037		2296
2038	our %MAP_PREFETCH;	2297	our %MAP_PREFETCH;
2039	our $MAP_PREFETCHER = undef;	2298	our $MAP_PREFETCHER = undef;
2040		2299
2041	sub find_async {	2300	sub find_async {
2042	my ($path, $origin, $load) = @_;	2301	my ($path, $origin, $load) = @_;
2043		2302
2044	$path = normalise $path, $origin && $origin->{path};	2303	$path = normalise $path, $origin;
2045		2304
2046	if (my $map = $cf::MAP{$path}) {	2305	if (my $map = $cf::MAP{$path}) {
2047	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2306	return $map if !$load || $map->linkable;
2048	}	2307	}
2049		2308
2050	$MAP_PREFETCH{$path} |= $load;	2309	$MAP_PREFETCH{$path} |= $load;
2051		2310
2052	$MAP_PREFETCHER ||= cf::async {	2311	$MAP_PREFETCHER ||= cf::async {
…		…
2066	$MAP_PREFETCHER->prio (6);	2325	$MAP_PREFETCHER->prio (6);
2067		2326
2068	()	2327	()
2069	}	2328	}
2070		2329
		2330	# common code, used by both ->save and ->swapout
2071	sub save {	2331	sub _save {
2072	my ($self) = @_;	2332	my ($self) = @_;
2073
2074	my $lock = cf::lock_acquire "map_data:$self->{path}";
2075		2333
2076	$self->{last_save} = $cf::RUNTIME;	2334	$self->{last_save} = $cf::RUNTIME;
2077		2335
2078	return unless $self->dirty;	2336	return unless $self->dirty;
2079		2337
…		…
2088		2346
2089	cf::async {	2347	cf::async {
2090	$Coro::current->{desc} = "map player save";	2348	$Coro::current->{desc} = "map player save";
2091	$_->contr->save for $self->players;	2349	$_->contr->save for $self->players;
2092	};	2350	};
		2351
		2352	cf::get_slot 0.02;
2093		2353
2094	if ($uniq) {	2354	if ($uniq) {
2095	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2355	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2096	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2356	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2097	} else {	2357	} else {
2098	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2358	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2099	}	2359	}
2100	}	2360	}
2101		2361
		2362	sub save {
		2363	my ($self) = @_;
		2364
		2365	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2366
		2367	$self->_save;
		2368	}
		2369
2102	sub swap_out {	2370	sub swap_out {
2103	my ($self) = @_;	2371	my ($self) = @_;
2104		2372
2105	# save first because save cedes
2106	$self->save;
2107
2108	my $lock = cf::lock_acquire "map_data:$self->{path}";	2373	my $lock = cf::lock_acquire "map_data:$self->{path}";
2109		2374
		2375	return if !$self->linkable;
		2376	return if $self->{deny_save};
2110	return if $self->players;	2377	return if $self->players;
2111	return if $self->in_memory != cf::MAP_IN_MEMORY;	2378
		2379	# first deactivate the map and "unlink" it from the core
		2380	$self->deactivate;
		2381	$_->clear_links_to ($self) for values %cf::MAP;
		2382	$self->state (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
2112	return if $self->{deny_save};	2395	return 1e99 if $self->{deny_reset};
2113		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
2114	$self->in_memory (cf::MAP_SWAPPED);	2418	$self->state (cf::MAP_SWAPPED);
		2419
		2420	# need to save uniques path
		2421	unless ($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};
2115		2429
2116	$self->deactivate;	2430	$self->deactivate;
2117	$_->clear_links_to ($self) for values %cf::MAP;	2431	$_->clear_links_to ($self) for values %cf::MAP;
2118	$self->clear;	2432	$self->clear;
2119	}
2120
2121	sub reset_at {
2122	my ($self) = @_;
2123
2124	# TODO: safety, remove and allow resettable per-player maps
2125	return 1e99 if $self->{deny_reset};
2126
2127	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2128	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2129
2130	$time + $to
2131	}
2132
2133	sub should_reset {
2134	my ($self) = @_;
2135
2136	$self->reset_at <= $cf::RUNTIME
2137	}
2138
2139	sub reset {
2140	my ($self) = @_;
2141
2142	my $lock = cf::lock_acquire "map_data:$self->{path}";
2143
2144	return if $self->players;
2145
2146	warn "resetting map ", $self->path;
2147
2148	$self->in_memory (cf::MAP_SWAPPED);
2149
2150	# need to save uniques path
2151	unless ($self->{deny_save}) {
2152	my $uniq = $self->uniq_path; utf8::encode $uniq;
2153
2154	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2155	if $uniq;
2156	}
2157
2158	delete $cf::MAP{$self->path};
2159
2160	$self->deactivate;
2161	$_->clear_links_to ($self) for values %cf::MAP;
2162	$self->clear;
2163		2433
2164	$self->unlink_save;	2434	$self->unlink_save;
2165	$self->destroy;	2435	$self->destroy;
2166	}	2436	}
2167		2437
…		…
2175		2445
2176	delete $cf::MAP{$self->path};	2446	delete $cf::MAP{$self->path};
2177		2447
2178	$self->unlink_save;	2448	$self->unlink_save;
2179		2449
2180	bless $self, "cf::map";	2450	bless $self, "cf::map::wrap";
2181	delete $self->{deny_reset};	2451	delete $self->{deny_reset};
2182	$self->{deny_save} = 1;	2452	$self->{deny_save} = 1;
2183	$self->reset_timeout (1);	2453	$self->reset_timeout (1);
2184	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2454	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2185		2455
…		…
2234		2504
2235	sub unique_maps() {	2505	sub unique_maps() {
2236	[	2506	[
2237	map {	2507	map {
2238	utf8::decode $_;	2508	utf8::decode $_;
2239	/\.map$/	2509	s/\.map$//; # TODO future compatibility hack
		2510	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2511	? ()
2240	? normalise $_	2512	: normalise $_
2241	: ()
2242	} @{ aio_readdir $UNIQUEDIR or [] }	2513	} @{ aio_readdir $UNIQUEDIR or [] }
2243	]	2514	]
2244	}	2515	}
2245		2516
2246	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	}
2247		2548
2248	=back	2549	=back
2249		2550
2250	=head3 cf::object	2551	=head3 cf::object
2251		2552
…		…
2255		2556
2256	=over 4	2557	=over 4
2257		2558
2258	=item $ob->inv_recursive	2559	=item $ob->inv_recursive
2259		2560
2260	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.
2261		2563
2262	=cut	2564	=cut
2263		2565
2264	sub inv_recursive_;	2566	sub inv_recursive_;
2265	sub inv_recursive_ {	2567	sub inv_recursive_ {
…		…
2270	inv_recursive_ inv $_[0]	2572	inv_recursive_ inv $_[0]
2271	}	2573	}
2272		2574
2273	=item $ref = $ob->ref	2575	=item $ref = $ob->ref
2274		2576
2275	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.
2276		2578
2277	=item $ob = cf::object::deref ($refstring)	2579	=item $ob = cf::object::deref ($refstring)
2278		2580
2279	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,
2280	even if the object actually exists. May block.	2582	even if the object actually exists. May block.
…		…
2312	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
2313	dialogue with the given NPC character.	2615	dialogue with the given NPC character.
2314		2616
2315	=cut	2617	=cut
2316		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
2317	# rough implementation of a future "reply" method that works	2633	# rough implementation of a future "reply" method that works
2318	# with dialog boxes.	2634	# with dialog boxes.
2319	#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
2320	sub cf::object::player::reply($$$;$) {	2636	sub cf::object::player::reply($$$;$) {
2321	my ($self, $npc, $msg, $flags) = @_;	2637	my ($self, $npc, $msg, $flags) = @_;
…		…
2332	my $dialog = $pl->{npc_dialog};	2648	my $dialog = $pl->{npc_dialog};
2333	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2649	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2334		2650
2335	} else {	2651	} else {
2336	$msg = $npc->name . " says: $msg" if $npc;	2652	$msg = $npc->name . " says: $msg" if $npc;
2337	$self->message ($msg, $flags);	2653	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2338	}	2654	}
2339	}	2655	}
2340	}	2656	}
2341		2657
2342	=item $object->send_msg ($channel, $msg, $color, [extra...])	2658	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2367		2683
2368	=item $player_object->enter_link	2684	=item $player_object->enter_link
2369		2685
2370	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}>).
2371		2687
2372	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.
2373	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.
2374		2692
2375	Will never block.	2693	Will never block.
2376		2694
2377	=item $player_object->leave_link ($map, $x, $y)	2695	=item $player_object->leave_link ($map, $x, $y)
2378		2696
…		…
2398	sub cf::object::player::enter_link {	2716	sub cf::object::player::enter_link {
2399	my ($self) = @_;	2717	my ($self) = @_;
2400		2718
2401	$self->deactivate_recursive;	2719	$self->deactivate_recursive;
2402		2720
		2721	++$self->{_link_recursion};
		2722
2403	return if UNIVERSAL::isa $self->map, "ext::map_link";	2723	return if UNIVERSAL::isa $self->map, "ext::map_link";
2404		2724
2405	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2725	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2406	if $self->map && $self->map->{path} ne "{link}";	2726	if $self->map && $self->map->{path} ne "{link}";
2407		2727
2408	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2728	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2409	}	2729	}
2410		2730
2411	sub cf::object::player::leave_link {	2731	sub cf::object::player::leave_link {
2412	my ($self, $map, $x, $y) = @_;	2732	my ($self, $map, $x, $y) = @_;
2413		2733
…		…
2430	($x, $y) = (-1, -1)	2750	($x, $y) = (-1, -1)
2431	unless (defined $x) && (defined $y);	2751	unless (defined $x) && (defined $y);
2432		2752
2433	# use -1 or undef as default coordinates, not 0, 0	2753	# use -1 or undef as default coordinates, not 0, 0
2434	($x, $y) = ($map->enter_x, $map->enter_y)	2754	($x, $y) = ($map->enter_x, $map->enter_y)
2435	if $x <=0 && $y <= 0;	2755	if $x <= 0 && $y <= 0;
2436		2756
2437	$map->load;	2757	$map->load;
2438	$map->load_neighbours;	2758	$map->load_neighbours;
2439		2759
2440	return unless $self->contr->active;	2760	return unless $self->contr->active;
2441	$self->activate_recursive;
2442		2761
2443	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2762	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2444	$self->enter_map ($map, $x, $y);	2763	if ($self->enter_map ($map, $x, $y)) {
2445	}	2764	# entering was successful
		2765	delete $self->{_link_recursion};
		2766	# only activate afterwards, to support waiting in hooks
		2767	$self->activate_recursive;
		2768	}
2446		2769
		2770	}
		2771
2447	=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)]])
2448		2773
2449	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
2450	her, loading and preparing them map, calling the provided $check callback	2775	her, loading and preparing them map, calling the provided $check callback
2451	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
2452	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
2453	be called at the end of this process.	2778	be called at the end of this process.
2454		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
2455	=cut	2783	=cut
2456		2784
2457	our $GOTOGEN;	2785	our $GOTOGEN;
2458		2786
2459	sub cf::object::player::goto {	2787	sub cf::object::player::goto {
2460	my ($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	}
2461		2795
2462	# 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
2463	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2797	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2464		2798
2465	$self->enter_link;	2799	$self->enter_link;
…		…
2485	($path, $x, $y) = (undef, undef, undef);	2819	($path, $x, $y) = (undef, undef, undef);
2486	}	2820	}
2487	}	2821	}
2488		2822
2489	my $map = eval {	2823	my $map = eval {
2490	my $map = defined $path ? cf::map::find $path : undef;	2824	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2491		2825
2492	if ($map) {	2826	if ($map) {
2493	$map = $map->customise_for ($self);	2827	$map = $map->customise_for ($self);
2494	$map = $check->($map) if $check && $map;	2828	$map = $check->($map, $x, $y, $self) if $check && $map;
2495	} else {	2829	} else {
2496	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2830	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2497	}	2831	}
2498		2832
2499	$map	2833	$map
…		…
2507	if ($gen == $self->{_goto_generation}) {	2841	if ($gen == $self->{_goto_generation}) {
2508	delete $self->{_goto_generation};	2842	delete $self->{_goto_generation};
2509	$self->leave_link ($map, $x, $y);	2843	$self->leave_link ($map, $x, $y);
2510	}	2844	}
2511		2845
2512	$done->() if $done;	2846	$done->($self) if $done;
2513	})->prio (1);	2847	})->prio (1);
2514	}	2848	}
2515		2849
2516	=item $player_object->enter_exit ($exit_object)	2850	=item $player_object->enter_exit ($exit_object)
2517		2851
…		…
2537	}	2871	}
2538		2872
2539	sub prepare_random_map {	2873	sub prepare_random_map {
2540	my ($exit) = @_;	2874	my ($exit) = @_;
2541		2875
2542	my $guard = cf::lock_acquire "exit_prepare:$exit";
2543
2544	# all this does is basically replace the /! path by	2876	# all this does is basically replace the /! path by
2545	# a new random map path (?random/...) with a seed	2877	# a new random map path (?random/...) with a seed
2546	# that depends on the exit object	2878	# that depends on the exit object
2547		2879
2548	my $rmp = parse_random_map_params $exit->msg;	2880	my $rmp = parse_random_map_params $exit->msg;
…		…
2550	if ($exit->map) {	2882	if ($exit->map) {
2551	$rmp->{region} = $exit->region->name;	2883	$rmp->{region} = $exit->region->name;
2552	$rmp->{origin_map} = $exit->map->path;	2884	$rmp->{origin_map} = $exit->map->path;
2553	$rmp->{origin_x} = $exit->x;	2885	$rmp->{origin_x} = $exit->x;
2554	$rmp->{origin_y} = $exit->y;	2886	$rmp->{origin_y} = $exit->y;
		2887
		2888	$exit->map->touch;
2555	}	2889	}
2556		2890
2557	$rmp->{random_seed} ||= $exit->random_seed;	2891	$rmp->{random_seed} ||= $exit->random_seed;
2558		2892
2559	my $data = cf::to_json $rmp;	2893	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2560	my $md5 = Digest::MD5::md5_hex $data;	2894	my $md5 = Digest::MD5::md5_hex $data;
2561	my $meta = "$RANDOMDIR/$md5.meta";	2895	my $meta = "$RANDOMDIR/$md5.meta";
2562		2896
2563	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2897	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2564	aio_write $fh, 0, (length $data), $data, 0;	2898	aio_write $fh, 0, (length $data), $data, 0;
2565	undef $fh;	2899	undef $fh;
2566	aio_rename "$meta~", $meta;	2900	aio_rename "$meta~", $meta;
2567		2901
		2902	my $slaying = "?random/$md5";
		2903
		2904	if ($exit->valid) {
2568	$exit->slaying ("?random/$md5");	2905	$exit->slaying ("?random/$md5");
2569	$exit->msg (undef);	2906	$exit->msg (undef);
		2907	}
2570	}	2908	}
2571	}	2909	}
2572		2910
2573	sub cf::object::player::enter_exit {	2911	sub cf::object::player::enter_exit {
2574	my ($self, $exit) = @_;	2912	my ($self, $exit) = @_;
2575		2913
2576	return unless $self->type == cf::PLAYER;	2914	return unless $self->type == cf::PLAYER;
2577		2915
2578	if ($exit->slaying eq "/!") {
2579	#TODO: this should de-fi-ni-te-ly not be a sync-job
2580	# the problem is that $exit might not survive long enough
2581	# so it needs to be done right now, right here
2582	cf::sync_job { prepare_random_map $exit };
2583	}
2584
2585	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2586	my $hp = $exit->stats->hp;
2587	my $sp = $exit->stats->sp;
2588
2589	$self->enter_link;	2916	$self->enter_link;
2590		2917
2591	# if exit is damned, update players death & WoR home-position
2592	$self->contr->savebed ($slaying, $hp, $sp)
2593	if $exit->flag (FLAG_DAMNED);
2594
2595	(async {	2918	(async {
2596	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2919	$Coro::current->{desc} = "enter_exit";
2597		2920
2598	$self->deactivate_recursive; # just to be sure
2599	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 $exit->slaying eq "/!"; # need to re-check after getting the lock
		2937
		2938	$map = $exit->slaying;
		2939
		2940	} elsif ($slaying eq '!up') {
		2941	$map = $exit->map->tile_path (cf::TILE_UP);
		2942	$x = $exit->x;
		2943	$y = $exit->y;
		2944
		2945	} elsif ($slaying eq '!down') {
		2946	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2947	$x = $exit->x;
		2948	$y = $exit->y;
		2949	}
		2950
2600	$self->goto ($slaying, $hp, $sp);	2951	$self->goto ($map, $x, $y);
2601		2952
		2953	# if exit is damned, update players death & WoR home-position
		2954	$self->contr->savebed ($map, $x, $y)
		2955	if $exit->flag (cf::FLAG_DAMNED);
		2956
2602	1;	2957	1
2603	}) {	2958	}) {
2604	$self->message ("Something went wrong deep within the crossfire server. "	2959	$self->message ("Something went wrong deep within the deliantra server. "
2605	. "I'll try to bring you back to the map you were before. "	2960	. "I'll try to bring you back to the map you were before. "
2606	. "Please report this to the dungeon master!",	2961	. "Please report this to the dungeon master!",
2607	cf::NDI_UNIQUE | cf::NDI_RED);	2962	cf::NDI_UNIQUE | cf::NDI_RED);
2608		2963
2609	warn "ERROR in enter_exit: $@";	2964	error "ERROR in enter_exit: $@";
2610	$self->leave_link;	2965	$self->leave_link;
2611	}	2966	}
2612	})->prio (1);	2967	})->prio (1);
2613	}	2968	}
2614		2969
…		…
2626	sub cf::client::send_drawinfo {	2981	sub cf::client::send_drawinfo {
2627	my ($self, $text, $flags) = @_;	2982	my ($self, $text, $flags) = @_;
2628		2983
2629	utf8::encode $text;	2984	utf8::encode $text;
2630	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2985	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2986	}
		2987
		2988	=item $client->send_big_packet ($pkt)
		2989
		2990	Like C<send_packet>, but tries to compress large packets, and fragments
		2991	them as required.
		2992
		2993	=cut
		2994
		2995	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2996
		2997	sub cf::client::send_big_packet {
		2998	my ($self, $pkt) = @_;
		2999
		3000	# try lzf for large packets
		3001	$pkt = "lzf " . Compress::LZF::compress $pkt
		3002	if 1024 <= length $pkt and $self->{can_lzf};
		3003
		3004	# split very large packets
		3005	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3006	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3007	$pkt = "frag";
		3008	}
		3009
		3010	$self->send_packet ($pkt);
2631	}	3011	}
2632		3012
2633	=item $client->send_msg ($channel, $msg, $color, [extra...])	3013	=item $client->send_msg ($channel, $msg, $color, [extra...])
2634		3014
2635	Send a drawinfo or msg packet to the client, formatting the msg for the	3015	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2637	the message, with C<log> being the default. If C<$color> is negative, suppress	3017	the message, with C<log> being the default. If C<$color> is negative, suppress
2638	the message unless the client supports the msg packet.	3018	the message unless the client supports the msg packet.
2639		3019
2640	=cut	3020	=cut
2641		3021
		3022	# non-persistent channels (usually the info channel)
2642	our %CHANNEL = (	3023	our %CHANNEL = (
		3024	"c/motd" => {
		3025	id => "infobox",
		3026	title => "MOTD",
		3027	reply => undef,
		3028	tooltip => "The message of the day",
		3029	},
2643	"c/identify" => {	3030	"c/identify" => {
2644	id => "infobox",	3031	id => "infobox",
2645	title => "Identify",	3032	title => "Identify",
2646	reply => undef,	3033	reply => undef,
2647	tooltip => "Items recently identified",	3034	tooltip => "Items recently identified",
…		…
2650	id => "infobox",	3037	id => "infobox",
2651	title => "Examine",	3038	title => "Examine",
2652	reply => undef,	3039	reply => undef,
2653	tooltip => "Signs and other items you examined",	3040	tooltip => "Signs and other items you examined",
2654	},	3041	},
		3042	"c/shopinfo" => {
		3043	id => "infobox",
		3044	title => "Shop Info",
		3045	reply => undef,
		3046	tooltip => "What your bargaining skill tells you about the shop",
		3047	},
		3048	"c/book" => {
		3049	id => "infobox",
		3050	title => "Book",
		3051	reply => undef,
		3052	tooltip => "The contents of a note or book",
		3053	},
2655	"c/lookat" => {	3054	"c/lookat" => {
2656	id => "infobox",	3055	id => "infobox",
2657	title => "Look",	3056	title => "Look",
2658	reply => undef,	3057	reply => undef,
2659	tooltip => "What you saw there",	3058	tooltip => "What you saw there",
2660	},	3059	},
		3060	"c/who" => {
		3061	id => "infobox",
		3062	title => "Players",
		3063	reply => undef,
		3064	tooltip => "Shows players who are currently online",
		3065	},
		3066	"c/body" => {
		3067	id => "infobox",
		3068	title => "Body Parts",
		3069	reply => undef,
		3070	tooltip => "Shows which body parts you posess and are available",
		3071	},
		3072	"c/statistics" => {
		3073	id => "infobox",
		3074	title => "Statistics",
		3075	reply => undef,
		3076	tooltip => "Shows your primary statistics",
		3077	},
		3078	"c/skills" => {
		3079	id => "infobox",
		3080	title => "Skills",
		3081	reply => undef,
		3082	tooltip => "Shows your experience per skill and item power",
		3083	},
		3084	"c/shopitems" => {
		3085	id => "infobox",
		3086	title => "Shop Items",
		3087	reply => undef,
		3088	tooltip => "Shows the items currently for sale in this shop",
		3089	},
		3090	"c/resistances" => {
		3091	id => "infobox",
		3092	title => "Resistances",
		3093	reply => undef,
		3094	tooltip => "Shows your resistances",
		3095	},
		3096	"c/pets" => {
		3097	id => "infobox",
		3098	title => "Pets",
		3099	reply => undef,
		3100	tooltip => "Shows information abotu your pets/a specific pet",
		3101	},
		3102	"c/perceiveself" => {
		3103	id => "infobox",
		3104	title => "Perceive Self",
		3105	reply => undef,
		3106	tooltip => "You gained detailed knowledge about yourself",
		3107	},
		3108	"c/uptime" => {
		3109	id => "infobox",
		3110	title => "Uptime",
		3111	reply => undef,
		3112	tooltip => "How long the server has been running since last restart",
		3113	},
		3114	"c/mapinfo" => {
		3115	id => "infobox",
		3116	title => "Map Info",
		3117	reply => undef,
		3118	tooltip => "Information related to the maps",
		3119	},
		3120	"c/party" => {
		3121	id => "party",
		3122	title => "Party",
		3123	reply => "gsay ",
		3124	tooltip => "Messages and chat related to your party",
		3125	},
		3126	"c/death" => {
		3127	id => "death",
		3128	title => "Death",
		3129	reply => undef,
		3130	tooltip => "Reason for and more info about your most recent death",
		3131	},
		3132	"c/say" => $SAY_CHANNEL,
		3133	"c/chat" => $CHAT_CHANNEL,
2661	);	3134	);
2662		3135
2663	sub cf::client::send_msg {	3136	sub cf::client::send_msg {
2664	my ($self, $channel, $msg, $color, @extra) = @_;	3137	my ($self, $channel, $msg, $color, @extra) = @_;
2665		3138
2666	$msg = $self->pl->expand_cfpod ($msg);	3139	$msg = $self->pl->expand_cfpod ($msg)
		3140	unless $color & cf::NDI_VERBATIM;
2667		3141
2668	$color &= cf::NDI_CLIENT_MASK; # just in case...	3142	$color &= cf::NDI_CLIENT_MASK; # just in case...
2669		3143
2670	# check predefined channels, for the benefit of C	3144	# check predefined channels, for the benefit of C
2671	if ($CHANNEL{$channel}) {	3145	if ($CHANNEL{$channel}) {
2672	$channel = $CHANNEL{$channel};	3146	$channel = $CHANNEL{$channel};
2673		3147
2674	$self->ext_msg (channel_info => $channel)	3148	$self->ext_msg (channel_info => $channel);
2675	if $self->can_msg;
2676
2677	$channel = $channel->{id};	3149	$channel = $channel->{id};
2678		3150
2679	} elsif (ref $channel) {	3151	} elsif (ref $channel) {
2680	# send meta info to client, if not yet sent	3152	# send meta info to client, if not yet sent
2681	unless (exists $self->{channel}{$channel->{id}}) {	3153	unless (exists $self->{channel}{$channel->{id}}) {
2682	$self->{channel}{$channel->{id}} = $channel;	3154	$self->{channel}{$channel->{id}} = $channel;
2683	$self->ext_msg (channel_info => $channel)	3155	$self->ext_msg (channel_info => $channel);
2684	if $self->can_msg;
2685	}	3156	}
2686		3157
2687	$channel = $channel->{id};	3158	$channel = $channel->{id};
2688	}	3159	}
2689		3160
2690	return unless @extra || length $msg;	3161	return unless @extra || length $msg;
2691		3162
2692	if ($self->can_msg) {
2693	# default colour, mask it out	3163	# default colour, mask it out
2694	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3164	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2695	if $color & cf::NDI_DEF;	3165	if $color & cf::NDI_DEF;
2696		3166
2697	$self->send_packet ("msg " . $self->{json_coder}->encode (	3167	my $pkt = "msg "
		3168	. $self->{json_coder}->encode (
2698	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3169	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2699	} else {	3170	);
2700	if ($color >= 0) {
2701	# replace some tags by gcfclient-compatible ones
2702	for ($msg) {
2703	1 while
2704	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2705	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2706	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2707	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2708	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2709	}
2710		3171
2711	$color &= cf::NDI_COLOR_MASK;	3172	$self->send_big_packet ($pkt);
2712
2713	utf8::encode $msg;
2714
2715	if (0 && $msg =~ /\[/) {
2716	# COMMAND/INFO
2717	$self->send_packet ("drawextinfo $color 10 8 $msg")
2718	} else {
2719	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2720	$self->send_packet ("drawinfo $color $msg")
2721	}
2722	}
2723	}
2724	}	3173	}
2725		3174
2726	=item $client->ext_msg ($type, @msg)	3175	=item $client->ext_msg ($type, @msg)
2727		3176
2728	Sends an ext event to the client.	3177	Sends an ext event to the client.
…		…
2731		3180
2732	sub cf::client::ext_msg($$@) {	3181	sub cf::client::ext_msg($$@) {
2733	my ($self, $type, @msg) = @_;	3182	my ($self, $type, @msg) = @_;
2734		3183
2735	if ($self->extcmd == 2) {	3184	if ($self->extcmd == 2) {
2736	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3185	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2737	} elsif ($self->extcmd == 1) { # TODO: remove	3186	} elsif ($self->extcmd == 1) { # TODO: remove
2738	push @msg, msgtype => "event_$type";	3187	push @msg, msgtype => "event_$type";
2739	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3188	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2740	}	3189	}
2741	}	3190	}
2742		3191
2743	=item $client->ext_reply ($msgid, @msg)	3192	=item $client->ext_reply ($msgid, @msg)
2744		3193
…		…
2748		3197
2749	sub cf::client::ext_reply($$@) {	3198	sub cf::client::ext_reply($$@) {
2750	my ($self, $id, @msg) = @_;	3199	my ($self, $id, @msg) = @_;
2751		3200
2752	if ($self->extcmd == 2) {	3201	if ($self->extcmd == 2) {
2753	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3202	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2754	} elsif ($self->extcmd == 1) {	3203	} elsif ($self->extcmd == 1) {
2755	#TODO: version 1, remove	3204	#TODO: version 1, remove
2756	unshift @msg, msgtype => "reply", msgid => $id;	3205	unshift @msg, msgtype => "reply", msgid => $id;
2757	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3206	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2758	}	3207	}
2759	}	3208	}
2760		3209
2761	=item $success = $client->query ($flags, "text", \&cb)	3210	=item $success = $client->query ($flags, "text", \&cb)
2762		3211
…		…
2833		3282
2834	$ns->ext_reply ($reply, @reply)	3283	$ns->ext_reply ($reply, @reply)
2835	if $reply;	3284	if $reply;
2836		3285
2837	} else {	3286	} else {
2838	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3287	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2839	}	3288	}
2840		3289
2841	cf::override;	3290	cf::override;
2842	},	3291	},
2843	);	3292	);
…		…
2863		3312
2864	$coro	3313	$coro
2865	}	3314	}
2866		3315
2867	cf::client->attach (	3316	cf::client->attach (
2868	on_destroy => sub {	3317	on_client_destroy => sub {
2869	my ($ns) = @_;	3318	my ($ns) = @_;
2870		3319
2871	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3320	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2872	},	3321	},
2873	);	3322	);
…		…
2889	our $safe_hole = new Safe::Hole;	3338	our $safe_hole = new Safe::Hole;
2890		3339
2891	$SIG{FPE} = 'IGNORE';	3340	$SIG{FPE} = 'IGNORE';
2892		3341
2893	$safe->permit_only (Opcode::opset qw(	3342	$safe->permit_only (Opcode::opset qw(
2894	:base_core :base_mem :base_orig :base_math	3343	:base_core :base_mem :base_orig :base_math :base_loop
2895	grepstart grepwhile mapstart mapwhile	3344	grepstart grepwhile mapstart mapwhile
2896	sort time	3345	sort time
2897	));	3346	));
2898		3347
2899	# here we export the classes and methods available to script code	3348	# here we export the classes and methods available to script code
…		…
2902		3351
2903	The following functions and methods are available within a safe environment:	3352	The following functions and methods are available within a safe environment:
2904		3353
2905	cf::object	3354	cf::object
2906	contr pay_amount pay_player map x y force_find force_add destroy	3355	contr pay_amount pay_player map x y force_find force_add destroy
2907	insert remove name archname title slaying race decrease_ob_nr	3356	insert remove name archname title slaying race decrease split
		3357	value
2908		3358
2909	cf::object::player	3359	cf::object::player
2910	player	3360	player
2911		3361
2912	cf::player	3362	cf::player
…		…
2917		3367
2918	=cut	3368	=cut
2919		3369
2920	for (	3370	for (
2921	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3371	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2922	insert remove inv name archname title slaying race	3372	insert remove inv nrof name archname title slaying race
2923	decrease_ob_nr destroy)],	3373	decrease split destroy change_exp value msg lore send_msg)],
2924	["cf::object::player" => qw(player)],	3374	["cf::object::player" => qw(player)],
2925	["cf::player" => qw(peaceful)],	3375	["cf::player" => qw(peaceful send_msg)],
2926	["cf::map" => qw(trigger)],	3376	["cf::map" => qw(trigger)],
2927	) {	3377	) {
2928	no strict 'refs';
2929	my ($pkg, @funs) = @$_;	3378	my ($pkg, @funs) = @$_;
2930	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3379	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2931	for @funs;	3380	for @funs;
2932	}	3381	}
2933		3382
…		…
2948		3397
2949	my $qcode = $code;	3398	my $qcode = $code;
2950	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3399	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2951	$qcode =~ s/\n/\\n/g;	3400	$qcode =~ s/\n/\\n/g;
2952		3401
		3402	%vars = (_dummy => 0) unless %vars;
		3403
		3404	my @res;
2953	local $_;	3405	local $_;
2954	local @safe::cf::_safe_eval_args = values %vars;
2955		3406
2956	my $eval =	3407	my $eval =
2957	"do {\n"	3408	"do {\n"
2958	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3409	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2959	. "#line 0 \"{$qcode}\"\n"	3410	. "#line 0 \"{$qcode}\"\n"
2960	. $code	3411	. $code
2961	. "\n}"	3412	. "\n}"
2962	;	3413	;
2963		3414
		3415	if ($CFG{safe_eval}) {
2964	sub_generation_inc;	3416	sub_generation_inc;
		3417	local @safe::cf::_safe_eval_args = values %vars;
2965	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3418	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2966	sub_generation_inc;	3419	sub_generation_inc;
		3420	} else {
		3421	local @cf::_safe_eval_args = values %vars;
		3422	@res = wantarray ? eval eval : scalar eval $eval;
		3423	}
2967		3424
2968	if ($@) {	3425	if ($@) {
2969	warn "$@";	3426	warn "$@",
2970	warn "while executing safe code '$code'\n";	3427	"while executing safe code '$code'\n",
2971	warn "with arguments " . (join " ", %vars) . "\n";	3428	"with arguments " . (join " ", %vars) . "\n";
2972	}	3429	}
2973		3430
2974	wantarray ? @res : $res[0]	3431	wantarray ? @res : $res[0]
2975	}	3432	}
2976		3433
…		…
2990	=cut	3447	=cut
2991		3448
2992	sub register_script_function {	3449	sub register_script_function {
2993	my ($fun, $cb) = @_;	3450	my ($fun, $cb) = @_;
2994		3451
2995	no strict 'refs';	3452	$fun = "safe::$fun" if $CFG{safe_eval};
2996	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3453	*$fun = $safe_hole->wrap ($cb);
2997	}	3454	}
2998		3455
2999	=back	3456	=back
3000		3457
3001	=cut	3458	=cut
…		…
3010	# for this (global event?)	3467	# for this (global event?)
3011	%ext::player_env::MUSIC_FACE_CACHE = ();	3468	%ext::player_env::MUSIC_FACE_CACHE = ();
3012		3469
3013	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3470	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3014		3471
3015	warn "loading facedata from $path\n";	3472	trace "loading facedata from $path\n";
3016		3473
3017	my $facedata;	3474	my $facedata = decode_storable load_file $path;
3018	0 < aio_load $path, $facedata
3019	or die "$path: $!";
3020
3021	$facedata = Coro::Storable::thaw $facedata;
3022		3475
3023	$facedata->{version} == 2	3476	$facedata->{version} == 2
3024	or cf::cleanup "$path: version mismatch, cannot proceed.";	3477	or cf::cleanup "$path: version mismatch, cannot proceed.";
3025		3478
3026	# patch in the exptable	3479	# patch in the exptable
		3480	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3027	$facedata->{resource}{"res/exp_table"} = {	3481	$facedata->{resource}{"res/exp_table"} = {
3028	type => FT_RSRC,	3482	type => FT_RSRC,
3029	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3483	data => $exp_table,
		3484	hash => (Digest::MD5::md5 $exp_table),
3030	};	3485	};
3031	cf::cede_to_tick;	3486	cf::cede_to_tick;
3032		3487
3033	{	3488	{
3034	my $faces = $facedata->{faceinfo};	3489	my $faces = $facedata->{faceinfo};
3035		3490
3036	while (my ($face, $info) = each %$faces) {	3491	while (my ($face, $info) = each %$faces) {
3037	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3492	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3493
3038	cf::face::set_visibility $idx, $info->{visibility};	3494	cf::face::set_visibility $idx, $info->{visibility};
3039	cf::face::set_magicmap $idx, $info->{magicmap};	3495	cf::face::set_magicmap $idx, $info->{magicmap};
3040	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3496	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3041	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3497	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3498	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
3042		3499
3043	cf::cede_to_tick;	3500	cf::cede_to_tick;
3044	}	3501	}
3045		3502
3046	while (my ($face, $info) = each %$faces) {	3503	while (my ($face, $info) = each %$faces) {
3047	next unless $info->{smooth};	3504	next unless $info->{smooth};
		3505
3048	my $idx = cf::face::find $face	3506	my $idx = cf::face::find $face
3049	or next;	3507	or next;
		3508
3050	if (my $smooth = cf::face::find $info->{smooth}) {	3509	if (my $smooth = cf::face::find $info->{smooth}) {
3051	cf::face::set_smooth $idx, $smooth;	3510	cf::face::set_smooth $idx, $smooth;
3052	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3511	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3053	} else {	3512	} else {
3054	warn "smooth face '$info->{smooth}' not found for face '$face'";	3513	error "smooth face '$info->{smooth}' not found for face '$face'";
3055	}	3514	}
3056		3515
3057	cf::cede_to_tick;	3516	cf::cede_to_tick;
3058	}	3517	}
3059	}	3518	}
…		…
3068		3527
3069	cf::anim::invalidate_all; # d'oh	3528	cf::anim::invalidate_all; # d'oh
3070	}	3529	}
3071		3530
3072	{	3531	{
3073	# TODO: for gcfclient pleasure, we should give resources
3074	# that gcfclient doesn't grok a >10000 face index.
3075	my $res = $facedata->{resource};	3532	my $res = $facedata->{resource};
3076		3533
3077	my $soundconf = delete $res->{"res/sound.conf"};
3078
3079	while (my ($name, $info) = each %$res) {	3534	while (my ($name, $info) = each %$res) {
		3535	if (defined $info->{type}) {
3080	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3536	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3081	my $data;
3082		3537
3083	if ($info->{type} & 1) {	3538	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3084	# prepend meta info	3539	cf::face::set_type $idx, $info->{type};
3085
3086	my $meta = $enc->encode ({
3087	name => $name,
3088	%{ $info->{meta} || {} },
3089	});
3090
3091	$data = pack "(w/a*)*", $meta, $info->{data};
3092	} else {	3540	} else {
3093	$data = $info->{data};	3541	$RESOURCE{$name} = $info; # unused
3094	}	3542	}
3095		3543
3096	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3097	cf::face::set_type $idx, $info->{type};
3098
3099	cf::cede_to_tick;	3544	cf::cede_to_tick;
3100	}	3545	}
3101
3102	if ($soundconf) {
3103	$soundconf = $enc->decode (delete $soundconf->{data});
3104
3105	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3106	my $sound = $soundconf->{compat}[$_]
3107	or next;
3108
3109	my $face = cf::face::find "sound/$sound->[1]";
3110	cf::sound::set $sound->[0] => $face;
3111	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3112	}
3113
3114	while (my ($k, $v) = each %{$soundconf->{event}}) {
3115	my $face = cf::face::find "sound/$v";
3116	cf::sound::set $k => $face;
3117	}
3118	}
3119	}	3546	}
		3547
		3548	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3120		3549
3121	1	3550	1
3122	}	3551	}
3123		3552
3124	register_exticmd fx_want => sub {	3553	register_exticmd fx_want => sub {
…		…
3126		3555
3127	while (my ($k, $v) = each %$want) {	3556	while (my ($k, $v) = each %$want) {
3128	$ns->fx_want ($k, $v);	3557	$ns->fx_want ($k, $v);
3129	}	3558	}
3130	};	3559	};
		3560
		3561	sub load_resource_file($) {
		3562	my $guard = lock_acquire "load_resource_file";
		3563
		3564	my $status = load_resource_file_ $_[0];
		3565	get_slot 0.1, 100;
		3566	cf::arch::commit_load;
		3567
		3568	$status
		3569	}
3131		3570
3132	sub reload_regions {	3571	sub reload_regions {
3133	# HACK to clear player env face cache, we need some signal framework	3572	# HACK to clear player env face cache, we need some signal framework
3134	# for this (global event?)	3573	# for this (global event?)
3135	%ext::player_env::MUSIC_FACE_CACHE = ();	3574	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3149	}	3588	}
3150		3589
3151	sub reload_archetypes {	3590	sub reload_archetypes {
3152	load_resource_file "$DATADIR/archetypes"	3591	load_resource_file "$DATADIR/archetypes"
3153	or die "unable to load archetypes\n";	3592	or die "unable to load archetypes\n";
3154	#d# NEED to laod twice to resolve forward references
3155	# this really needs to be done in an extra post-pass
3156	# (which needs to be synchronous, so solve it differently)
3157	load_resource_file "$DATADIR/archetypes"
3158	or die "unable to load archetypes\n";
3159	}	3593	}
3160		3594
3161	sub reload_treasures {	3595	sub reload_treasures {
3162	load_resource_file "$DATADIR/treasures"	3596	load_resource_file "$DATADIR/treasures"
3163	or die "unable to load treasurelists\n";	3597	or die "unable to load treasurelists\n";
3164	}	3598	}
3165		3599
		3600	sub reload_sound {
		3601	trace "loading sound config from $DATADIR/sound\n";
		3602
		3603	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3604
		3605	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3606	my $sound = $soundconf->{compat}[$_]
		3607	or next;
		3608
		3609	my $face = cf::face::find "sound/$sound->[1]";
		3610	cf::sound::set $sound->[0] => $face;
		3611	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3612	}
		3613
		3614	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3615	my $face = cf::face::find "sound/$v";
		3616	cf::sound::set $k => $face;
		3617	}
		3618	}
		3619
3166	sub reload_resources {	3620	sub reload_resources {
3167	warn "reloading resource files...\n";	3621	trace "reloading resource files...\n";
3168		3622
		3623	reload_exp_table;
		3624	reload_materials;
		3625	reload_facedata;
		3626	reload_sound;
		3627	reload_archetypes;
3169	reload_regions;	3628	reload_regions;
3170	reload_facedata;
3171	#reload_archetypes;#d#
3172	reload_archetypes;
3173	reload_treasures;	3629	reload_treasures;
3174		3630
3175	warn "finished reloading resource files\n";	3631	trace "finished reloading resource files\n";
3176	}
3177
3178	sub init {
3179	reload_resources;
3180	}	3632	}
3181		3633
3182	sub reload_config {	3634	sub reload_config {
3183	open my $fh, "<:utf8", "$CONFDIR/config"	3635	trace "reloading config file...\n";
3184	or return;
3185		3636
3186	local $/;	3637	my $config = load_file "$CONFDIR/config";
3187	*CFG = YAML::Syck::Load <$fh>;	3638	utf8::decode $config;
		3639	*CFG = decode_yaml $config;
3188		3640
3189	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3641	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3190		3642
3191	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3643	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3192	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3644	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3193		3645
3194	if (exists $CFG{mlockall}) {	3646	if (exists $CFG{mlockall}) {
…		…
3198	};	3650	};
3199	warn $@ if $@;	3651	warn $@ if $@;
3200	}	3652	}
3201	}	3653	}
3202		3654
		3655	sub pidfile() {
		3656	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3657	or die "$PIDFILE: $!";
		3658	flock $fh, &Fcntl::LOCK_EX
		3659	or die "$PIDFILE: flock: $!";
		3660	$fh
		3661	}
		3662
		3663	# make sure only one server instance is running at any one time
		3664	sub atomic {
		3665	my $fh = pidfile;
		3666
		3667	my $pid = <$fh>;
		3668	kill 9, $pid if $pid > 0;
		3669
		3670	seek $fh, 0, 0;
		3671	print $fh $$;
		3672	}
		3673
		3674	sub main_loop {
		3675	trace "EV::loop starting\n";
		3676	if (1) {
		3677	EV::loop;
		3678	}
		3679	trace "EV::loop returned\n";
		3680	goto &main_loop unless $REALLY_UNLOOP;
		3681	}
		3682
3203	sub main {	3683	sub main {
		3684	cf::init_globals; # initialise logging
		3685
		3686	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3687	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3688	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3689	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3690
		3691	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3692
3204	# we must not ever block the main coroutine	3693	# we must not ever block the main coroutine
3205	local $Coro::idle = sub {	3694	local $Coro::idle = sub {
3206	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3695	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3207	(async {	3696	(async {
3208	$Coro::current->{desc} = "IDLE BUG HANDLER";	3697	$Coro::current->{desc} = "IDLE BUG HANDLER";
3209	Event::one_event;	3698	EV::loop EV::LOOP_ONESHOT;
3210	})->prio (Coro::PRIO_MAX);	3699	})->prio (Coro::PRIO_MAX);
3211	};	3700	};
3212		3701
		3702	evthread_start IO::AIO::poll_fileno;
		3703
		3704	cf::sync_job {
		3705	cf::incloader::init ();
		3706
		3707	cf::init_anim;
		3708	cf::init_attackmess;
		3709	cf::init_dynamic;
		3710
		3711	cf::load_settings;
		3712
		3713	reload_resources;
3213	reload_config;	3714	reload_config;
3214	db_init;	3715	db_init;
		3716
		3717	cf::init_uuid;
		3718	cf::init_signals;
		3719	cf::init_skills;
		3720
		3721	cf::init_beforeplay;
		3722
		3723	atomic;
		3724
3215	load_extensions;	3725	load_extensions;
3216		3726
3217	$TICK_WATCHER->start;	3727	utime time, time, $RUNTIMEFILE;
3218	Event::loop;	3728
		3729	# no (long-running) fork's whatsoever before this point(!)
		3730	use POSIX ();
		3731	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3732
		3733	cf::_post_init 0;
		3734	};
		3735
		3736	cf::object::thawer::errors_are_fatal 0;
		3737	info "parse errors in files are no longer fatal from this point on.\n";
		3738
		3739	my $free_main; $free_main = EV::idle sub {
		3740	undef $free_main;
		3741	undef &main; # free gobs of memory :)
		3742	};
		3743
		3744	goto &main_loop;
3219	}	3745	}
3220		3746
3221	#############################################################################	3747	#############################################################################
3222	# initialisation and cleanup	3748	# initialisation and cleanup
3223		3749
3224	# install some emergency cleanup handlers	3750	# install some emergency cleanup handlers
3225	BEGIN {	3751	BEGIN {
		3752	our %SIGWATCHER = ();
3226	for my $signal (qw(INT HUP TERM)) {	3753	for my $signal (qw(INT HUP TERM)) {
3227	Event->signal (	3754	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3228	reentrant => 0,
3229	data => WF_AUTOCANCEL,
3230	signal => $signal,
3231	prio => 0,
3232	cb => sub {
3233	cf::cleanup "SIG$signal";	3755	cf::cleanup "SIG$signal";
3234	},
3235	);	3756	};
3236	}	3757	}
3237	}	3758	}
3238		3759
3239	sub write_runtime {	3760	sub write_runtime_sync {
3240	my $runtime = "$LOCALDIR/runtime";	3761	my $t0 = AE::time;
3241		3762
3242	# first touch the runtime file to show we are still running:	3763	# first touch the runtime file to show we are still running:
3243	# the fsync below can take a very very long time.	3764	# the fsync below can take a very very long time.
3244		3765
3245	IO::AIO::aio_utime $runtime, undef, undef;	3766	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3246		3767
3247	my $guard = cf::lock_acquire "write_runtime";	3768	my $guard = cf::lock_acquire "write_runtime";
3248		3769
3249	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3770	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3250	or return;	3771	or return;
3251		3772
3252	my $value = $cf::RUNTIME + 90 + 10;	3773	my $value = $cf::RUNTIME + 90 + 10;
3253	# 10 is the runtime save interval, for a monotonic clock	3774	# 10 is the runtime save interval, for a monotonic clock
3254	# 60 allows for the watchdog to kill the server.	3775	# 60 allows for the watchdog to kill the server.
…		…
3264	aio_utime $fh, undef, undef;	3785	aio_utime $fh, undef, undef;
3265		3786
3266	close $fh	3787	close $fh
3267	or return;	3788	or return;
3268		3789
3269	aio_rename "$runtime~", $runtime	3790	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3270	and return;	3791	and return;
3271		3792
3272	warn "runtime file written.\n";	3793	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3273		3794
3274	1	3795	1
		3796	}
		3797
		3798	our $uuid_lock;
		3799	our $uuid_skip;
		3800
		3801	sub write_uuid_sync($) {
		3802	$uuid_skip ||= $_[0];
		3803
		3804	return if $uuid_lock;
		3805	local $uuid_lock = 1;
		3806
		3807	my $uuid = "$LOCALDIR/uuid";
		3808
		3809	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3810	or return;
		3811
		3812	my $value = uuid_seq uuid_cur;
		3813
		3814	unless ($value) {
		3815	info "cowardly refusing to write zero uuid value!\n";
		3816	return;
		3817	}
		3818
		3819	my $value = uuid_str $value + $uuid_skip;
		3820	$uuid_skip = 0;
		3821
		3822	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3823	and return;
		3824
		3825	# always fsync - this file is important
		3826	aio_fsync $fh
		3827	and return;
		3828
		3829	close $fh
		3830	or return;
		3831
		3832	aio_rename "$uuid~", $uuid
		3833	and return;
		3834
		3835	trace "uuid file written ($value).\n";
		3836
		3837	1
		3838
		3839	}
		3840
		3841	sub write_uuid($$) {
		3842	my ($skip, $sync) = @_;
		3843
		3844	$sync ? write_uuid_sync $skip
		3845	: async { write_uuid_sync $skip };
3275	}	3846	}
3276		3847
3277	sub emergency_save() {	3848	sub emergency_save() {
3278	my $freeze_guard = cf::freeze_mainloop;	3849	my $freeze_guard = cf::freeze_mainloop;
3279		3850
3280	warn "enter emergency perl save\n";	3851	info "emergency_perl_save: enter\n";
		3852
		3853	# this is a trade-off: we want to be very quick here, so
		3854	# save all maps without fsync, and later call a global sync
		3855	# (which in turn might be very very slow)
		3856	local $USE_FSYNC = 0;
3281		3857
3282	cf::sync_job {	3858	cf::sync_job {
		3859	cf::write_runtime_sync; # external watchdog should not bark
		3860
3283	# use a peculiar iteration method to avoid tripping on perl	3861	# use a peculiar iteration method to avoid tripping on perl
3284	# refcount bugs in for. also avoids problems with players	3862	# refcount bugs in for. also avoids problems with players
3285	# and maps saved/destroyed asynchronously.	3863	# and maps saved/destroyed asynchronously.
3286	warn "begin emergency player save\n";	3864	info "emergency_perl_save: begin player save\n";
3287	for my $login (keys %cf::PLAYER) {	3865	for my $login (keys %cf::PLAYER) {
3288	my $pl = $cf::PLAYER{$login} or next;	3866	my $pl = $cf::PLAYER{$login} or next;
3289	$pl->valid or next;	3867	$pl->valid or next;
3290	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3868	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3291	$pl->save;	3869	$pl->save;
3292	}	3870	}
3293	warn "end emergency player save\n";	3871	info "emergency_perl_save: end player save\n";
3294		3872
3295	warn "begin emergency map save\n";	3873	cf::write_runtime_sync; # external watchdog should not bark
		3874
		3875	info "emergency_perl_save: begin map save\n";
3296	for my $path (keys %cf::MAP) {	3876	for my $path (keys %cf::MAP) {
3297	my $map = $cf::MAP{$path} or next;	3877	my $map = $cf::MAP{$path} or next;
3298	$map->valid or next;	3878	$map->valid or next;
3299	$map->save;	3879	$map->save;
3300	}	3880	}
3301	warn "end emergency map save\n";	3881	info "emergency_perl_save: end map save\n";
3302		3882
3303	warn "begin emergency database checkpoint\n";	3883	cf::write_runtime_sync; # external watchdog should not bark
		3884
		3885	info "emergency_perl_save: begin database checkpoint\n";
3304	BDB::db_env_txn_checkpoint $DB_ENV;	3886	BDB::db_env_txn_checkpoint $DB_ENV;
3305	warn "end emergency database checkpoint\n";	3887	info "emergency_perl_save: end database checkpoint\n";
		3888
		3889	info "emergency_perl_save: begin write uuid\n";
		3890	write_uuid_sync 1;
		3891	info "emergency_perl_save: end write uuid\n";
		3892
		3893	cf::write_runtime_sync; # external watchdog should not bark
		3894
		3895	trace "emergency_perl_save: syncing database to disk";
		3896	BDB::db_env_txn_checkpoint $DB_ENV;
		3897
		3898	info "emergency_perl_save: starting sync\n";
		3899	IO::AIO::aio_sync sub {
		3900	info "emergency_perl_save: finished sync\n";
		3901	};
		3902
		3903	cf::write_runtime_sync; # external watchdog should not bark
		3904
		3905	trace "emergency_perl_save: flushing outstanding aio requests";
		3906	while (IO::AIO::nreqs || BDB::nreqs) {
		3907	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3908	}
		3909
		3910	cf::write_runtime_sync; # external watchdog should not bark
3306	};	3911	};
3307		3912
3308	warn "leave emergency perl save\n";	3913	info "emergency_perl_save: leave\n";
3309	}	3914	}
3310		3915
3311	sub post_cleanup {	3916	sub post_cleanup {
3312	my ($make_core) = @_;	3917	my ($make_core) = @_;
3313		3918
		3919	IO::AIO::flush;
		3920
3314	warn Carp::longmess "post_cleanup backtrace"	3921	error Carp::longmess "post_cleanup backtrace"
3315	if $make_core;	3922	if $make_core;
		3923
		3924	my $fh = pidfile;
		3925	unlink $PIDFILE if <$fh> == $$;
		3926	}
		3927
		3928	# a safer delete_package, copied from Symbol
		3929	sub clear_package($) {
		3930	my $pkg = shift;
		3931
		3932	# expand to full symbol table name if needed
		3933	unless ($pkg =~ /^main::.*::$/) {
		3934	$pkg = "main$pkg" if $pkg =~ /^::/;
		3935	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3936	$pkg .= '::' unless $pkg =~ /::$/;
		3937	}
		3938
		3939	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3940	my $stem_symtab = *{$stem}{HASH};
		3941
		3942	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3943	or return;
		3944
		3945	# clear all symbols
		3946	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3947	for my $name (keys %$leaf_symtab) {
		3948	_gv_clear *{"$pkg$name"};
		3949	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3950	}
3316	}	3951	}
3317		3952
3318	sub do_reload_perl() {	3953	sub do_reload_perl() {
3319	# can/must only be called in main	3954	# can/must only be called in main
3320	if ($Coro::current != $Coro::main) {	3955	unless (in_main) {
3321	warn "can only reload from main coroutine";	3956	error "can only reload from main coroutine";
3322	return;	3957	return;
3323	}	3958	}
3324		3959
3325	warn "reloading...";	3960	return if $RELOAD++;
3326		3961
3327	warn "entering sync_job";	3962	my $t1 = AE::time;
3328		3963
		3964	while ($RELOAD) {
		3965	cf::get_slot 0.1, -1, "reload_perl";
		3966	info "perl_reload: reloading...";
		3967
		3968	trace "perl_reload: entering sync_job";
		3969
3329	cf::sync_job {	3970	cf::sync_job {
3330	cf::write_runtime; # external watchdog should not bark
3331	cf::emergency_save;	3971	#cf::emergency_save;
3332	cf::write_runtime; # external watchdog should not bark
3333		3972
3334	warn "syncing database to disk";
3335	BDB::db_env_txn_checkpoint $DB_ENV;
3336
3337	# if anything goes wrong in here, we should simply crash as we already saved
3338
3339	warn "cancelling all WF_AUTOCANCEL watchers";
3340	for (Event::all_watchers) {
3341	$_->cancel if $_->data & WF_AUTOCANCEL;
3342	}
3343
3344	warn "flushing outstanding aio requests";
3345	for (;;) {
3346	BDB::flush;
3347	IO::AIO::flush;
3348	Coro::cede;
3349	last unless IO::AIO::nreqs || BDB::nreqs;
3350	warn "iterate...";
3351	}
3352
3353	++$RELOAD;
3354
3355	warn "cancelling all extension coros";	3973	trace "perl_reload: cancelling all extension coros";
3356	$_->cancel for values %EXT_CORO;	3974	$_->cancel for values %EXT_CORO;
3357	%EXT_CORO = ();	3975	%EXT_CORO = ();
3358		3976
3359	warn "removing commands";	3977	trace "perl_reload: removing commands";
3360	%COMMAND = ();	3978	%COMMAND = ();
3361		3979
3362	warn "removing ext/exti commands";	3980	trace "perl_reload: removing ext/exti commands";
3363	%EXTCMD = ();	3981	%EXTCMD = ();
3364	%EXTICMD = ();	3982	%EXTICMD = ();
3365		3983
3366	warn "unloading/nuking all extensions";	3984	trace "perl_reload: unloading/nuking all extensions";
3367	for my $pkg (@EXTS) {	3985	for my $pkg (@EXTS) {
3368	warn "... unloading $pkg";	3986	trace "... unloading $pkg";
3369		3987
3370	if (my $cb = $pkg->can ("unload")) {	3988	if (my $cb = $pkg->can ("unload")) {
3371	eval {	3989	eval {
3372	$cb->($pkg);	3990	$cb->($pkg);
3373	1	3991	1
3374	} or warn "$pkg unloaded, but with errors: $@";	3992	} or error "$pkg unloaded, but with errors: $@";
		3993	}
		3994
		3995	trace "... clearing $pkg";
		3996	clear_package $pkg;
3375	}	3997	}
3376		3998
3377	warn "... nuking $pkg";
3378	Symbol::delete_package $pkg;
3379	}
3380
3381	warn "unloading all perl modules loaded from $LIBDIR";	3999	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3382	while (my ($k, $v) = each %INC) {	4000	while (my ($k, $v) = each %INC) {
3383	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4001	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3384		4002
3385	warn "... unloading $k";	4003	trace "... unloading $k";
3386	delete $INC{$k};	4004	delete $INC{$k};
3387		4005
3388	$k =~ s/\.pm$//;	4006	$k =~ s/\.pm$//;
3389	$k =~ s/\//::/g;	4007	$k =~ s/\//::/g;
3390		4008
3391	if (my $cb = $k->can ("unload_module")) {	4009	if (my $cb = $k->can ("unload_module")) {
3392	$cb->();	4010	$cb->();
		4011	}
		4012
		4013	clear_package $k;
3393	}	4014	}
3394		4015
3395	Symbol::delete_package $k;
3396	}
3397
3398	warn "getting rid of safe::, as good as possible";	4016	trace "perl_reload: getting rid of safe::, as good as possible";
3399	Symbol::delete_package "safe::$_"	4017	clear_package "safe::$_"
3400	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4018	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3401		4019
3402	warn "unloading cf.pm \"a bit\"";	4020	trace "perl_reload: unloading cf.pm \"a bit\"";
3403	delete $INC{"cf.pm"};	4021	delete $INC{"cf.pm"};
3404	delete $INC{"cf/pod.pm"};	4022	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3405		4023
3406	# don't, removes xs symbols, too,	4024	# don't, removes xs symbols, too,
3407	# and global variables created in xs	4025	# and global variables created in xs
3408	#Symbol::delete_package __PACKAGE__;	4026	#clear_package __PACKAGE__;
3409		4027
3410	warn "unload completed, starting to reload now";	4028	info "perl_reload: unload completed, starting to reload now";
3411		4029
3412	warn "reloading cf.pm";	4030	trace "perl_reload: reloading cf.pm";
3413	require cf;	4031	require cf;
3414	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4032	cf::_connect_to_perl_1;
3415		4033
3416	warn "loading config and database again";	4034	trace "perl_reload: loading config and database again";
3417	cf::reload_config;	4035	cf::reload_config;
3418		4036
3419	warn "loading extensions";	4037	trace "perl_reload: loading extensions";
3420	cf::load_extensions;	4038	cf::load_extensions;
3421		4039
		4040	if ($REATTACH_ON_RELOAD) {
3422	warn "reattaching attachments to objects/players";	4041	trace "perl_reload: reattaching attachments to objects/players";
3423	_global_reattach; # objects, sockets	4042	_global_reattach; # objects, sockets
3424	warn "reattaching attachments to maps";	4043	trace "perl_reload: reattaching attachments to maps";
3425	reattach $_ for values %MAP;	4044	reattach $_ for values %MAP;
3426	warn "reattaching attachments to players";	4045	trace "perl_reload: reattaching attachments to players";
3427	reattach $_ for values %PLAYER;	4046	reattach $_ for values %PLAYER;
		4047	}
3428		4048
3429	warn "leaving sync_job";	4049	cf::_post_init 1;
3430		4050
		4051	trace "perl_reload: leaving sync_job";
		4052
3431	1	4053	1
3432	} or do {	4054	} or do {
3433	warn $@;	4055	error $@;
3434	warn "error while reloading, exiting.";	4056	cf::cleanup "perl_reload: error, exiting.";
3435	exit 1;	4057	};
		4058
		4059	--$RELOAD;
3436	};	4060	}
3437		4061
3438	warn "reloaded";	4062	$t1 = AE::time - $t1;
		4063	info "perl_reload: completed in ${t1}s\n";
3439	};	4064	};
3440		4065
3441	our $RELOAD_WATCHER; # used only during reload	4066	our $RELOAD_WATCHER; # used only during reload
3442		4067
3443	sub reload_perl() {	4068	sub reload_perl() {
3444	# doing reload synchronously and two reloads happen back-to-back,	4069	# doing reload synchronously and two reloads happen back-to-back,
3445	# coro crashes during coro_state_free->destroy here.	4070	# coro crashes during coro_state_free->destroy here.
3446		4071
3447	$RELOAD_WATCHER ||= Event->timer (	4072	$RELOAD_WATCHER ||= cf::async {
3448	reentrant => 0,	4073	Coro::AIO::aio_wait cache_extensions;
3449	after => 0,	4074
3450	data => WF_AUTOCANCEL,	4075	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3451	cb => sub {
3452	do_reload_perl;	4076	do_reload_perl;
3453	undef $RELOAD_WATCHER;	4077	undef $RELOAD_WATCHER;
3454	},	4078	};
3455	);	4079	};
3456	}	4080	}
3457		4081
3458	register_command "reload" => sub {	4082	register_command "reload" => sub {
3459	my ($who, $arg) = @_;	4083	my ($who, $arg) = @_;
3460		4084
…		…
3465	reload_perl;	4089	reload_perl;
3466	};	4090	};
3467	}	4091	}
3468	};	4092	};
3469		4093
3470	unshift @INC, $LIBDIR;	4094	#############################################################################
3471		4095
3472	my $bug_warning = 0;	4096	my $bug_warning = 0;
3473		4097
3474	our @WAIT_FOR_TICK;	4098	our @WAIT_FOR_TICK;
3475	our @WAIT_FOR_TICK_BEGIN;	4099	our @WAIT_FOR_TICK_BEGIN;
3476		4100
3477	sub wait_for_tick {	4101	sub wait_for_tick() {
3478	return unless $TICK_WATCHER->is_active;
3479	return if $Coro::current == $Coro::main;	4102	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3480		4103
3481	my $signal = new Coro::Signal;	4104	my $signal = new Coro::Signal;
3482	push @WAIT_FOR_TICK, $signal;	4105	push @WAIT_FOR_TICK, $signal;
3483	$signal->wait;	4106	$signal->wait;
3484	}	4107	}
3485		4108
3486	sub wait_for_tick_begin {	4109	sub wait_for_tick_begin() {
3487	return unless $TICK_WATCHER->is_active;
3488	return if $Coro::current == $Coro::main;	4110	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3489		4111
3490	my $signal = new Coro::Signal;	4112	my $signal = new Coro::Signal;
3491	push @WAIT_FOR_TICK_BEGIN, $signal;	4113	push @WAIT_FOR_TICK_BEGIN, $signal;
3492	$signal->wait;	4114	$signal->wait;
3493	}	4115	}
3494		4116
3495	$TICK_WATCHER = Event->timer (	4117	sub tick {
3496	reentrant => 0,
3497	parked => 1,
3498	prio => 0,
3499	at => $NEXT_TICK || $TICK,
3500	data => WF_AUTOCANCEL,
3501	cb => sub {
3502	if ($Coro::current != $Coro::main) {	4118	if ($Coro::current != $Coro::main) {
3503	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4119	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3504	unless ++$bug_warning > 10;	4120	unless ++$bug_warning > 10;
3505	return;	4121	return;
3506	}	4122	}
3507		4123
3508	$NOW = $tick_start = Event::time;
3509
3510	cf::server_tick; # one server iteration	4124	cf::server_tick; # one server iteration
3511		4125
3512	$RUNTIME += $TICK;	4126	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3513	$NEXT_TICK += $TICK;
3514		4127
3515	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4128	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3516	$NEXT_RUNTIME_WRITE = $NOW + 10;	4129	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3517	Coro::async_pool {	4130	Coro::async_pool {
3518	$Coro::current->{desc} = "runtime saver";	4131	$Coro::current->{desc} = "runtime saver";
3519	write_runtime	4132	write_runtime_sync
3520	or warn "ERROR: unable to write runtime file: $!";	4133	or error "ERROR: unable to write runtime file: $!";
3521	};
3522	}	4134	};
		4135	}
3523		4136
3524	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4137	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3525	$sig->send;	4138	$sig->send;
3526	}	4139	}
3527	while (my $sig = shift @WAIT_FOR_TICK) {	4140	while (my $sig = shift @WAIT_FOR_TICK) {
3528	$sig->send;	4141	$sig->send;
3529	}	4142	}
3530		4143
3531	$NOW = Event::time;	4144	$LOAD = ($NOW - $TICK_START) / $TICK;
3532
3533	# if we are delayed by four ticks or more, skip them all
3534	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3535
3536	$TICK_WATCHER->at ($NEXT_TICK);
3537	$TICK_WATCHER->start;
3538
3539	$LOAD = ($NOW - $tick_start) / $TICK;
3540	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4145	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3541		4146
3542	_post_tick;	4147	if (0) {
		4148	if ($NEXT_TICK) {
		4149	my $jitter = $TICK_START - $NEXT_TICK;
		4150	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4151	debug "jitter $JITTER\n";#d#
		4152	}
3543	},	4153	}
3544	);	4154	}
3545		4155
3546	{	4156	{
		4157	# configure BDB
		4158
3547	BDB::min_parallel 8;	4159	BDB::min_parallel 16;
3548	BDB::max_poll_time $TICK * 0.1;	4160	BDB::max_poll_reqs $TICK * 0.1;
3549	$BDB_POLL_WATCHER = Event->io (	4161	$AnyEvent::BDB::WATCHER->priority (1);
3550	reentrant => 0,
3551	fd => BDB::poll_fileno,
3552	poll => 'r',
3553	prio => 0,
3554	data => WF_AUTOCANCEL,
3555	cb => \&BDB::poll_cb,
3556	);
3557
3558	BDB::set_sync_prepare {
3559	my $status;
3560	my $current = $Coro::current;
3561	(
3562	sub {
3563	$status = $!;
3564	$current->ready; undef $current;
3565	},
3566	sub {
3567	Coro::schedule while defined $current;
3568	$! = $status;
3569	},
3570	)
3571	};
3572		4162
3573	unless ($DB_ENV) {	4163	unless ($DB_ENV) {
3574	$DB_ENV = BDB::db_env_create;	4164	$DB_ENV = BDB::db_env_create;
3575	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4165	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3576	| BDB::LOG_AUTOREMOVE, 1);	4166	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4167	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3577	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4168	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3578	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4169	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3579		4170
3580	cf::sync_job {	4171	cf::sync_job {
3581	eval {	4172	eval {
…		…
3591		4182
3592	cf::cleanup "db_env_open(db): $@" if $@;	4183	cf::cleanup "db_env_open(db): $@" if $@;
3593	};	4184	};
3594	}	4185	}
3595		4186
3596	$BDB_DEADLOCK_WATCHER = Event->timer (	4187	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3597	after => 3,
3598	interval => 1,
3599	hard => 1,
3600	prio => 0,
3601	data => WF_AUTOCANCEL,
3602	cb => sub {
3603	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };	4188	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3604	},
3605	);	4189	};
3606	$BDB_CHECKPOINT_WATCHER = Event->timer (	4190	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3607	after => 11,
3608	interval => 60,
3609	hard => 1,
3610	prio => 0,
3611	data => WF_AUTOCANCEL,
3612	cb => sub {
3613	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4191	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3614	},
3615	);	4192	};
3616	$BDB_TRICKLE_WATCHER = Event->timer (	4193	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3617	after => 5,
3618	interval => 10,
3619	hard => 1,
3620	prio => 0,
3621	data => WF_AUTOCANCEL,
3622	cb => sub {
3623	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4194	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3624	},
3625	);	4195	};
3626	}	4196	}
3627		4197
3628	{	4198	{
		4199	# configure IO::AIO
		4200
3629	IO::AIO::min_parallel 8;	4201	IO::AIO::min_parallel 8;
3630
3631	undef $Coro::AIO::WATCHER;
3632	IO::AIO::max_poll_time $TICK * 0.1;	4202	IO::AIO::max_poll_time $TICK * 0.1;
3633	$AIO_POLL_WATCHER = Event->io (	4203	undef $AnyEvent::AIO::WATCHER;
3634	reentrant => 0,
3635	data => WF_AUTOCANCEL,
3636	fd => IO::AIO::poll_fileno,
3637	poll => 'r',
3638	prio => 0,
3639	cb => \&IO::AIO::poll_cb,
3640	);
3641	}	4204	}
3642		4205
3643	my $_log_backtrace;	4206	our $_log_backtrace;
		4207	our $_log_backtrace_last;
3644		4208
3645	sub _log_backtrace {	4209	sub _log_backtrace {
3646	my ($msg, @addr) = @_;	4210	my ($msg, @addr) = @_;
3647		4211
3648	$msg =~ s/\n//;	4212	$msg =~ s/\n$//;
3649		4213
		4214	if ($_log_backtrace_last eq $msg) {
		4215	LOG llevInfo, "[ABT] $msg\n";
		4216	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3650	# limit the # of concurrent backtraces	4217	# limit the # of concurrent backtraces
3651	if ($_log_backtrace < 2) {	4218	} elsif ($_log_backtrace < 2) {
		4219	$_log_backtrace_last = $msg;
3652	++$_log_backtrace;	4220	++$_log_backtrace;
		4221	my $perl_bt = Carp::longmess $msg;
3653	async {	4222	async {
3654	$Coro::current->{desc} = "abt $msg";	4223	$Coro::current->{desc} = "abt $msg";
3655		4224
3656	my @bt = fork_call {	4225	my @bt = fork_call {
3657	@addr = map { sprintf "%x", $_ } @addr;	4226	@addr = map { sprintf "%x", $_ } @addr;
…		…
3668	}	4237	}
3669		4238
3670	@funcs	4239	@funcs
3671	};	4240	};
3672		4241
3673	LOG llevInfo, "[ABT] $msg\n";	4242	LOG llevInfo, "[ABT] $perl_bt\n";
		4243	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3674	LOG llevInfo, "[ABT] $_\n" for @bt;	4244	LOG llevInfo, "[ABT] $_\n" for @bt;
3675	--$_log_backtrace;	4245	--$_log_backtrace;
3676	};	4246	};
3677	} else {	4247	} else {
3678	LOG llevInfo, "[ABT] $msg\n";	4248	LOG llevInfo, "[ABT] $msg\n";
3679	LOG llevInfo, "[ABT] [suppressed]\n";	4249	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3680	}	4250	}
3681	}	4251	}
3682		4252
3683	# load additional modules	4253	# load additional modules
3684	use cf::pod;	4254	require "cf/$_.pm" for @EXTRA_MODULES;
		4255	cf::_connect_to_perl_2;
3685		4256
3686	END { cf::emergency_save }	4257	END { cf::emergency_save }
3687		4258
3688	1	4259	1
3689		4260

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