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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.386 by root, Mon Oct 15 17:50:27 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 = $attachable->invoke (EVENT_CLASS_XXX, ...)
958		1174
959	Generate an object-specific event with the given arguments.	1175	Generate an object-specific event with the given arguments.
960		1176
…		…
1013		1229
1014	sub reattach {	1230	sub reattach {
1015	# basically do the same as instantiate, without calling instantiate	1231	# basically do the same as instantiate, without calling instantiate
1016	my ($obj) = @_;	1232	my ($obj) = @_;
1017		1233
		1234	# no longer needed after getting rid of delete_package?
1018	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
1019		1236
1020	my $registry = $obj->registry;	1237	my $registry = $obj->registry;
1021		1238
1022	@$registry = ();	1239	@$registry = ();
1023		1240
…		…
1028	for (@$attach) {	1245	for (@$attach) {
1029	my ($klass, @attach) = @$_;	1246	my ($klass, @attach) = @$_;
1030	_attach $registry, $klass, @attach;	1247	_attach $registry, $klass, @attach;
1031	}	1248	}
1032	} else {	1249	} else {
1033	warn "object uses attachment '$name' that is not available, postponing.\n";	1250	info "object uses attachment '$name' that is not available, postponing.\n";
1034	}	1251	}
1035	}	1252	}
1036	}	1253	}
1037		1254
1038	cf::attachable->attach (	1255	cf::attachable->attach (
1039	prio => -1000000,	1256	prio => -1000000,
1040	on_instantiate => sub {	1257	on_instantiate => sub {
1041	my ($obj, $data) = @_;	1258	my ($obj, $data) = @_;
1042		1259
1043	$data = from_json $data;	1260	$data = decode_json $data;
1044		1261
1045	for (@$data) {	1262	for (@$data) {
1046	my ($name, $args) = @$_;	1263	my ($name, $args) = @$_;
1047		1264
1048	$obj->attach ($name, %{$args || {} });	1265	$obj->attach ($name, %{$args || {} });
…		…
1065	my ($filename, $rdata, $objs) = @_;	1282	my ($filename, $rdata, $objs) = @_;
1066		1283
1067	sync_job {	1284	sync_job {
1068	if (length $$rdata) {	1285	if (length $$rdata) {
1069	utf8::decode (my $decname = $filename);	1286	utf8::decode (my $decname = $filename);
1070	warn sprintf "saving %s (%d,%d)\n",	1287	trace sprintf "saving %s (%d,%d)\n",
1071	$decname, length $$rdata, scalar @$objs;	1288	$decname, length $$rdata, scalar @$objs
		1289	if $VERBOSE_IO;
1072		1290
1073	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1291	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1074	chmod SAVE_MODE, $fh;	1292	aio_chmod $fh, SAVE_MODE;
1075	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1293	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1076	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	}
1077	close $fh;	1298	aio_close $fh;
1078		1299
1079	if (@$objs) {	1300	if (@$objs) {
1080	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) {
1081	chmod SAVE_MODE, $fh;	1302	aio_chmod $fh, SAVE_MODE;
1082	my $data = Coro::Storable::blocking_nfreeze { version => 1, objs => $objs };	1303	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1083	aio_write $fh, 0, (length $data), $data, 0;	1304	aio_write $fh, 0, (length $data), $data, 0;
1084	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	}
1085	close $fh;	1309	aio_close $fh;
1086	aio_rename "$filename.pst~", "$filename.pst";	1310	aio_rename "$filename.pst~", "$filename.pst";
1087	}	1311	}
1088	} else {	1312	} else {
1089	aio_unlink "$filename.pst";	1313	aio_unlink "$filename.pst";
1090	}	1314	}
1091		1315
1092	aio_rename "$filename~", $filename;	1316	aio_rename "$filename~", $filename;
		1317
		1318	$filename =~ s%/[^/]+$%%;
		1319	aio_pathsync $filename if $cf::USE_FSYNC;
1093	} else {	1320	} else {
1094	warn "FATAL: $filename~: $!\n";	1321	error "unable to save objects: $filename~: $!\n";
1095	}	1322	}
1096	} else {	1323	} else {
1097	aio_unlink $filename;	1324	aio_unlink $filename;
1098	aio_unlink "$filename.pst";	1325	aio_unlink "$filename.pst";
1099	}	1326	}
…		…
1118		1345
1119	unless (aio_stat "$filename.pst") {	1346	unless (aio_stat "$filename.pst") {
1120	(aio_load "$filename.pst", $av) >= 0	1347	(aio_load "$filename.pst", $av) >= 0
1121	or return;	1348	or return;
1122		1349
1123	my $st = eval { Coro::Storable::thaw $av }	1350	my $st = eval { Coro::Storable::thaw $av };
1124	|| eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
1125	$av = $st->{objs};	1351	$av = $st->{objs};
1126	}	1352	}
1127		1353
1128	utf8::decode (my $decname = $filename);	1354	utf8::decode (my $decname = $filename);
1129	warn sprintf "loading %s (%d,%d)\n",	1355	trace sprintf "loading %s (%d,%d)\n",
1130	$decname, length $data, scalar @{$av || []};	1356	$decname, length $data, scalar @{$av || []}
		1357	if $VERBOSE_IO;
1131		1358
1132	($data, $av)	1359	($data, $av)
1133	}	1360	}
1134		1361
1135	=head2 COMMAND CALLBACKS	1362	=head2 COMMAND CALLBACKS
…		…
1191	my ($name, $cb) = @_;	1418	my ($name, $cb) = @_;
1192		1419
1193	$EXTICMD{$name} = $cb;	1420	$EXTICMD{$name} = $cb;
1194	}	1421	}
1195		1422
		1423	use File::Glob ();
		1424
1196	cf::player->attach (	1425	cf::player->attach (
1197	on_command => sub {	1426	on_unknown_command => sub {
1198	my ($pl, $name, $params) = @_;	1427	my ($pl, $name, $params) = @_;
1199		1428
1200	my $cb = $COMMAND{$name}	1429	my $cb = $COMMAND{$name}
1201	or return;	1430	or return;
1202		1431
…		…
1225		1454
1226	$pl->ext_reply ($reply, @reply)	1455	$pl->ext_reply ($reply, @reply)
1227	if $reply;	1456	if $reply;
1228		1457
1229	} else {	1458	} else {
1230	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1459	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1231	}	1460	}
1232		1461
1233	cf::override;	1462	cf::override;
1234	},	1463	},
1235	);	1464	);
1236		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
1237	sub load_extensions {	1479	sub load_extensions {
		1480	info "loading extensions...";
		1481
1238	cf::sync_job {	1482	cf::sync_job {
1239	my %todo;	1483	my %todo;
1240		1484
1241	for my $path (<$LIBDIR/*.ext>) {	1485	for my $path (<$LIBDIR/*.ext>) {
1242	next unless -r $path;	1486	next unless -r $path;
…		…
1260		1504
1261	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1505	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1262	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1506	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1263		1507
1264	$ext{source} =	1508	$ext{source} =
1265	"package $pkg; use strict; use utf8;\n"	1509	"package $pkg; use common::sense;\n"
1266	. "#line 1 \"$path\"\n{\n"	1510	. "#line 1 \"$path\"\n{\n"
1267	. $source	1511	. $source
1268	. "\n};\n1";	1512	. "\n};\n1";
1269		1513
1270	$todo{$base} = \%ext;	1514	$todo{$base} = \%ext;
1271	}	1515	}
1272		1516
		1517	my $pass = 0;
1273	my %done;	1518	my %done;
1274	while (%todo) {	1519	while (%todo) {
1275	my $progress;	1520	my $progress;
1276		1521
		1522	++$pass;
		1523
		1524	ext:
1277	while (my ($k, $v) = each %todo) {	1525	while (my ($k, $v) = each %todo) {
1278	for (split /,\s*/, $v->{meta}{depends}) {	1526	for (split /,\s*/, $v->{meta}{depends}) {
1279	goto skip	1527	next ext
1280	unless exists $done{$_};	1528	unless exists $done{$_};
1281	}	1529	}
1282		1530
1283	warn "... loading '$k' into '$v->{pkg}'\n";	1531	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1284		1532
1285	unless (eval $v->{source}) {	1533	my $active = eval $v->{source};
		1534
		1535	if (length $@) {
1286	my $msg = $@ ? "$v->{path}: $@\n"	1536	error "$v->{path}: $@\n";
1287	: "$v->{base}: extension inactive.\n";
1288		1537
		1538	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1289	if (exists $v->{meta}{mandatory}) {	1539	if exists $v->{meta}{mandatory};
1290	warn $msg;	1540
1291	warn "mandatory extension failed to load, exiting.\n";	1541	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1292	exit 1;	1542	delete $todo{$k};
1293	}	1543	} else {
1294		1544	$done{$k} = delete $todo{$k};
1295	warn $msg;	1545	push @EXTS, $v->{pkg};
		1546	$progress = 1;
		1547
		1548	info "$v->{base}: extension inactive.\n"
		1549	unless $active;
1296	}	1550	}
1297
1298	$done{$k} = delete $todo{$k};
1299	push @EXTS, $v->{pkg};
1300	$progress = 1;
1301	}	1551	}
1302		1552
1303	skip:	1553	unless ($progress) {
1304	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1554	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1305	unless $progress;	1555
		1556	while (my ($k, $v) = each %todo) {
		1557	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1558	if exists $v->{meta}{mandatory};
		1559	}
		1560
		1561	last;
		1562	}
1306	}	1563	}
1307	};	1564	};
1308	}	1565	}
1309		1566
1310	#############################################################################	1567	#############################################################################
1311		1568
1312	=back	1569	=back
1313		1570
1314	=head2 CORE EXTENSIONS	1571	=head2 CORE EXTENSIONS
1315		1572
1316	Functions and methods that extend core crossfire objects.	1573	Functions and methods that extend core deliantra objects.
1317		1574
1318	=cut	1575	=cut
1319		1576
1320	package cf::player;	1577	package cf::player;
1321		1578
…		…
1364		1621
1365	sub exists($) {	1622	sub exists($) {
1366	my ($login) = @_;	1623	my ($login) = @_;
1367		1624
1368	$cf::PLAYER{$login}	1625	$cf::PLAYER{$login}
1369	or cf::sync_job { !aio_stat path $login }	1626	or !aio_stat path $login
1370	}	1627	}
1371		1628
1372	sub find($) {	1629	sub find($) {
1373	return $cf::PLAYER{$_[0]} || do {	1630	return $cf::PLAYER{$_[0]} || do {
1374	my $login = $_[0];	1631	my $login = $_[0];
…		…
1386	my $f = new_from_file cf::object::thawer path $login	1643	my $f = new_from_file cf::object::thawer path $login
1387	or return;	1644	or return;
1388		1645
1389	my $pl = cf::player::load_pl $f	1646	my $pl = cf::player::load_pl $f
1390	or return;	1647	or return;
		1648
1391	local $cf::PLAYER_LOADING{$login} = $pl;	1649	local $cf::PLAYER_LOADING{$login} = $pl;
1392	$f->resolve_delayed_derefs;	1650	$f->resolve_delayed_derefs;
1393	$cf::PLAYER{$login} = $pl	1651	$cf::PLAYER{$login} = $pl
1394	}	1652	}
1395	}	1653	}
1396	}	1654	}
1397		1655
		1656	cf::player->attach (
		1657	on_load => sub {
		1658	my ($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
1398	sub save($) {	1669	sub save($) {
1399	my ($pl) = @_;	1670	my ($pl) = @_;
1400		1671
1401	return if $pl->{deny_save};	1672	return if $pl->{deny_save};
1402		1673
…		…
1405		1676
1406	return if $pl->{deny_save};	1677	return if $pl->{deny_save};
1407		1678
1408	aio_mkdir playerdir $pl, 0770;	1679	aio_mkdir playerdir $pl, 0770;
1409	$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];
1410		1686
1411	$pl->save_pl ($path);	1687	$pl->save_pl ($path);
1412	cf::cede_to_tick;	1688	cf::cede_to_tick;
1413	}	1689	}
1414		1690
…		…
1446	my ($pl) = @_;	1722	my ($pl) = @_;
1447		1723
1448	my $name = $pl->ob->name;	1724	my $name = $pl->ob->name;
1449		1725
1450	$pl->{deny_save} = 1;	1726	$pl->{deny_save} = 1;
1451	$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
1452		1728
1453	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1729	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1454	$pl->deactivate;	1730	$pl->deactivate;
		1731
		1732	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1455	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1733	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1734	ext::highscore::check ($pl->ob);
		1735
1456	$pl->ns->destroy if $pl->ns;	1736	$pl->ns->destroy if $pl->ns;
1457		1737
1458	my $path = playerdir $pl;	1738	my $path = playerdir $pl;
1459	my $temp = "$path~$cf::RUNTIME~deleting~";	1739	my $temp = "$path~$cf::RUNTIME~deleting~";
1460	aio_rename $path, $temp;	1740	aio_rename $path, $temp;
…		…
1498		1778
1499	for my $login (@$dirs) {	1779	for my $login (@$dirs) {
1500	my $path = path $login;	1780	my $path = path $login;
1501		1781
1502	# a .pst is a dead give-away for a valid player	1782	# a .pst is a dead give-away for a valid player
1503	unless (-e "$path.pst") {	1783	# if no pst file found, open and chekc for blocked users
		1784	if (aio_stat "$path.pst") {
1504	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1785	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1505	aio_read $fh, 0, 512, my $buf, 0 or next;	1786	aio_read $fh, 0, 512, my $buf, 0 or next;
1506	$buf !~ /^password -------------$/m or next; # official not-valid tag	1787	$buf !~ /^password -------------$/m or next; # official not-valid tag
1507	}	1788	}
1508		1789
…		…
1512		1793
1513	\@logins	1794	\@logins
1514	}	1795	}
1515		1796
1516	=item $player->maps	1797	=item $player->maps
		1798
		1799	=item cf::player::maps $login
1517		1800
1518	Returns an arrayref of map paths that are private for this	1801	Returns an arrayref of map paths that are private for this
1519	player. May block.	1802	player. May block.
1520		1803
1521	=cut	1804	=cut
…		…
1539	}	1822	}
1540		1823
1541	\@paths	1824	\@paths
1542	}	1825	}
1543		1826
1544	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1827	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1545		1828
1546	Expand crossfire pod fragments into protocol xml.	1829	Expand deliantra pod fragments into protocol xml.
1547
1548	=cut
1549
1550	sub expand_cfpod {
1551	((my $self), (local $_)) = @_;
1552
1553	# escape & and <
1554	s/&/&amp;/g;
1555	s/(?<![BIUGHT])</&lt;/g;
1556
1557	# this is buggy, it needs to properly take care of nested <'s
1558
1559	1 while
1560	# replace B<>, I<>, U<> etc.
1561	s/B<([^\>]*)>/<b>$1<\/b>/
1562	|| s/I<([^\>]*)>/<i>$1<\/i>/
1563	|| s/U<([^\>]*)>/<u>$1<\/u>/
1564	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1565	# replace G<male|female> tags
1566	|| s{G<([^>|]*)\|([^>]*)>}{
1567	$self->gender ? $2 : $1
1568	}ge
1569	# replace H<hint text>
1570	|| s{H<([^\>]*)>}
1571	{
1572	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1573	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1574	"")
1575	[$self->{hintmode}]
1576	}ge;
1577
1578	# create single paragraphs (very hackish)
1579	s/(?<=\S)\n(?=\w)/ /g;
1580
1581	# compress some whitespace
1582	s/\s+\n/\n/g; # ws line-ends
1583	s/\n\n+/\n/g; # double lines
1584	s/^\n+//; # beginning lines
1585	s/\n+$//; # ending lines
1586
1587	$_
1588	}
1589
1590	sub hintmode {
1591	$_[0]{hintmode} = $_[1] if @_ > 1;
1592	$_[0]{hintmode}
1593	}
1594		1830
1595	=item $player->ext_reply ($msgid, @msg)	1831	=item $player->ext_reply ($msgid, @msg)
1596		1832
1597	Sends an ext reply to the player.	1833	Sends an ext reply to the player.
1598		1834
…		…
1630		1866
1631	=cut	1867	=cut
1632		1868
1633	sub find_by_path($) {	1869	sub find_by_path($) {
1634	my ($path) = @_;	1870	my ($path) = @_;
		1871
		1872	$path =~ s/^~[^\/]*//; # skip ~login
1635		1873
1636	my ($match, $specificity);	1874	my ($match, $specificity);
1637		1875
1638	for my $region (list) {	1876	for my $region (list) {
1639	if ($region->{match} && $path =~ $region->{match}) {	1877	if ($region->{match} && $path =~ $region->{match}) {
…		…
1665	our $MAX_RESET = 3600;	1903	our $MAX_RESET = 3600;
1666	our $DEFAULT_RESET = 3000;	1904	our $DEFAULT_RESET = 3000;
1667		1905
1668	sub generate_random_map {	1906	sub generate_random_map {
1669	my ($self, $rmp) = @_;	1907	my ($self, $rmp) = @_;
1670	# mit "rum" bekleckern, nicht	1908
		1909	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1910
1671	$self->_create_random_map (	1911	$self->_create_random_map ($rmp);
1672	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1673	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1674	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1675	$rmp->{exit_on_final_map},
1676	$rmp->{xsize}, $rmp->{ysize},
1677	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1678	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1679	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1680	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1681	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1682	(cf::region::find $rmp->{region}), $rmp->{custom}
1683	)
1684	}	1912	}
1685		1913
1686	=item cf::map->register ($regex, $prio)	1914	=item cf::map->register ($regex, $prio)
1687		1915
1688	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
…		…
1693		1921
1694	sub register {	1922	sub register {
1695	my (undef, $regex, $prio) = @_;	1923	my (undef, $regex, $prio) = @_;
1696	my $pkg = caller;	1924	my $pkg = caller;
1697		1925
1698	no strict;
1699	push @{"$pkg\::ISA"}, __PACKAGE__;	1926	push @{"$pkg\::ISA"}, __PACKAGE__;
1700		1927
1701	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1928	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1702	}	1929	}
1703		1930
1704	# also paths starting with '/'	1931	# also paths starting with '/'
1705	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1932	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1706		1933
1707	sub thawer_merge {	1934	sub thawer_merge {
1708	my ($self, $merge) = @_;	1935	my ($self, $merge) = @_;
1709		1936
1710	# we have to keep some variables in memory intact	1937	# we have to keep some variables in memory intact
…		…
1715	}	1942	}
1716		1943
1717	sub normalise {	1944	sub normalise {
1718	my ($path, $base) = @_;	1945	my ($path, $base) = @_;
1719		1946
1720	$path = "$path"; # make sure its a string	1947	$path = "$path"; # make sure it's a string
1721		1948
1722	$path =~ s/\.map$//;	1949	$path =~ s/\.map$//;
1723		1950
1724	# map plan:	1951	# map plan:
1725	#	1952	#
…		…
1740	$base =~ s{[^/]+/?$}{};	1967	$base =~ s{[^/]+/?$}{};
1741	$path = "$base/$path";	1968	$path = "$base/$path";
1742	}	1969	}
1743		1970
1744	for ($path) {	1971	for ($path) {
1745	redo if s{//}{/};
1746	redo if s{/\.?/}{/};	1972	redo if s{/\.?/}{/};
1747	redo if s{/[^/]+/\.\./}{/};	1973	redo if s{/[^/]+/\.\./}{/};
1748	}	1974	}
1749		1975
1750	$path	1976	$path
…		…
1764	$self->init; # pass $1 etc.	1990	$self->init; # pass $1 etc.
1765	return $self;	1991	return $self;
1766	}	1992	}
1767	}	1993	}
1768		1994
1769	Carp::cluck "unable to resolve path '$path' (base '$base').";	1995	Carp::cluck "unable to resolve path '$path' (base '$base')";
1770	()	1996	()
1771	}	1997	}
1772		1998
		1999	# may re-bless or do other evil things
1773	sub init {	2000	sub init {
1774	my ($self) = @_;	2001	my ($self) = @_;
1775		2002
1776	$self	2003	$self
1777	}	2004	}
…		…
1796		2023
1797	# the temporary/swap location	2024	# the temporary/swap location
1798	sub save_path {	2025	sub save_path {
1799	my ($self) = @_;	2026	my ($self) = @_;
1800		2027
1801	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2028	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1802	"$TMPDIR/$path.map"	2029	"$TMPDIR/$path.map"
1803	}	2030	}
1804		2031
1805	# the unique path, undef == no special unique path	2032	# the unique path, undef == no special unique path
1806	sub uniq_path {	2033	sub uniq_path {
1807	my ($self) = @_;	2034	my ($self) = @_;
1808		2035
1809	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2036	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1810	"$UNIQUEDIR/$path"	2037	"$UNIQUEDIR/$path"
1811	}
1812
1813	# and all this just because we cannot iterate over
1814	# all maps in C++...
1815	sub change_all_map_light {
1816	my ($change) = @_;
1817
1818	$_->change_map_light ($change)
1819	for grep $_->outdoor, values %cf::MAP;
1820	}	2038	}
1821		2039
1822	sub decay_objects {	2040	sub decay_objects {
1823	my ($self) = @_;	2041	my ($self) = @_;
1824		2042
…		…
1851	$self->{load_path} = $path;	2069	$self->{load_path} = $path;
1852		2070
1853	1	2071	1
1854	}	2072	}
1855		2073
		2074	# used to laod the header of an original map
1856	sub load_header_orig {	2075	sub load_header_orig {
1857	my ($self) = @_;	2076	my ($self) = @_;
1858		2077
1859	$self->load_header_from ($self->load_path)	2078	$self->load_header_from ($self->load_path)
1860	}	2079	}
1861		2080
		2081	# used to laod the header of an instantiated map
1862	sub load_header_temp {	2082	sub load_header_temp {
1863	my ($self) = @_;	2083	my ($self) = @_;
1864		2084
1865	$self->load_header_from ($self->save_path)	2085	$self->load_header_from ($self->save_path)
1866	}	2086	}
1867		2087
		2088	# called after loading the header from an instantiated map
1868	sub prepare_temp {	2089	sub prepare_temp {
1869	my ($self) = @_;	2090	my ($self) = @_;
1870		2091
1871	$self->last_access ((delete $self->{last_access})	2092	$self->last_access ((delete $self->{last_access})
1872	|| $cf::RUNTIME); #d#	2093	|| $cf::RUNTIME); #d#
1873	# safety	2094	# safety
1874	$self->{instantiate_time} = $cf::RUNTIME	2095	$self->{instantiate_time} = $cf::RUNTIME
1875	if $self->{instantiate_time} > $cf::RUNTIME;	2096	if $self->{instantiate_time} > $cf::RUNTIME;
1876	}	2097	}
1877		2098
		2099	# called after loading the header from an original map
1878	sub prepare_orig {	2100	sub prepare_orig {
1879	my ($self) = @_;	2101	my ($self) = @_;
1880		2102
1881	$self->{load_original} = 1;	2103	$self->{load_original} = 1;
1882	$self->{instantiate_time} = $cf::RUNTIME;	2104	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1906		2128
1907	sub find;	2129	sub find;
1908	sub find {	2130	sub find {
1909	my ($path, $origin) = @_;	2131	my ($path, $origin) = @_;
1910		2132
		2133	cf::cede_to_tick;
		2134
1911	$path = normalise $path, $origin && $origin->path;	2135	$path = normalise $path, $origin;
1912		2136
1913	cf::lock_wait "map_data:$path";#d#remove	2137	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1914	cf::lock_wait "map_find:$path";	2138	my $guard2 = cf::lock_acquire "map_find:$path";
1915		2139
1916	$cf::MAP{$path} || do {	2140	$cf::MAP{$path} || do {
1917	my $guard1 = cf::lock_acquire "map_find:$path";
1918	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1919
1920	my $map = new_from_path cf::map $path	2141	my $map = new_from_path cf::map $path
1921	or return;	2142	or return;
1922		2143
1923	$map->{last_save} = $cf::RUNTIME;	2144	$map->{last_save} = $cf::RUNTIME;
1924		2145
…		…
1926	or return;	2147	or return;
1927		2148
1928	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2149	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1929	# doing this can freeze the server in a sync job, obviously	2150	# doing this can freeze the server in a sync job, obviously
1930	#$cf::WAIT_FOR_TICK->wait;	2151	#$cf::WAIT_FOR_TICK->wait;
		2152	undef $guard2;
1931	undef $guard1;	2153	undef $guard1;
1932	undef $guard2;
1933	$map->reset;	2154	$map->reset;
1934	return find $path;	2155	return find $path;
1935	}	2156	}
1936		2157
1937	$cf::MAP{$path} = $map	2158	$cf::MAP{$path} = $map
1938	}	2159	}
1939	}	2160	}
1940		2161
1941	sub pre_load { }	2162	sub pre_load { }
1942	sub post_load { }	2163	#sub post_load { } # XS
1943		2164
1944	sub load {	2165	sub load {
1945	my ($self) = @_;	2166	my ($self) = @_;
1946		2167
1947	local $self->{deny_reset} = 1; # loading can take a long time	2168	local $self->{deny_reset} = 1; # loading can take a long time
…		…
1950		2171
1951	{	2172	{
1952	my $guard = cf::lock_acquire "map_data:$path";	2173	my $guard = cf::lock_acquire "map_data:$path";
1953		2174
1954	return unless $self->valid;	2175	return unless $self->valid;
1955	return unless $self->in_memory == cf::MAP_SWAPPED;	2176	return unless $self->state == cf::MAP_SWAPPED;
1956
1957	$self->in_memory (cf::MAP_LOADING);
1958		2177
1959	$self->alloc;	2178	$self->alloc;
1960		2179
1961	$self->pre_load;	2180	$self->pre_load;
1962	cf::cede_to_tick;	2181	cf::cede_to_tick;
1963		2182
		2183	if (exists $self->{load_path}) {
1964	my $f = new_from_file cf::object::thawer $self->{load_path};	2184	my $f = new_from_file cf::object::thawer $self->{load_path};
1965	$f->skip_block;	2185	$f->skip_block;
1966	$self->_load_objects ($f)	2186	$self->_load_objects ($f)
1967	or return;	2187	or return;
1968		2188
1969	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2189	$self->post_load_original
1970	if delete $self->{load_original};	2190	if delete $self->{load_original};
1971		2191
1972	if (my $uniq = $self->uniq_path) {	2192	if (my $uniq = $self->uniq_path) {
1973	utf8::encode $uniq;	2193	utf8::encode $uniq;
1974	unless (aio_stat $uniq) {	2194	unless (aio_stat $uniq) {
1975	if (my $f = new_from_file cf::object::thawer $uniq) {	2195	if (my $f = new_from_file cf::object::thawer $uniq) {
1976	$self->clear_unique_items;	2196	$self->clear_unique_items;
1977	$self->_load_objects ($f);	2197	$self->_load_objects ($f);
1978	$f->resolve_delayed_derefs;	2198	$f->resolve_delayed_derefs;
		2199	}
1979	}	2200	}
1980	}	2201	}
1981	}
1982		2202
1983	$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);
1984		2210
1985	cf::cede_to_tick;	2211	cf::cede_to_tick;
1986	# now do the right thing for maps	2212	# now do the right thing for maps
1987	$self->link_multipart_objects;	2213	$self->link_multipart_objects;
1988	$self->difficulty ($self->estimate_difficulty)	2214	$self->difficulty ($self->estimate_difficulty)
…		…
1992	unless ($self->{deny_activate}) {	2218	unless ($self->{deny_activate}) {
1993	$self->decay_objects;	2219	$self->decay_objects;
1994	$self->fix_auto_apply;	2220	$self->fix_auto_apply;
1995	$self->update_buttons;	2221	$self->update_buttons;
1996	cf::cede_to_tick;	2222	cf::cede_to_tick;
1997	$self->set_darkness_map;	2223	#$self->activate; # no longer activate maps automatically
1998	cf::cede_to_tick;
1999	$self->activate;
2000	}	2224	}
2001		2225
2002	$self->{last_save} = $cf::RUNTIME;	2226	$self->{last_save} = $cf::RUNTIME;
2003	$self->last_access ($cf::RUNTIME);	2227	$self->last_access ($cf::RUNTIME);
2004
2005	$self->in_memory (cf::MAP_IN_MEMORY);
2006	}	2228	}
2007		2229
2008	$self->post_load;	2230	$self->post_load;
2009	}
2010		2231
		2232	1
		2233	}
		2234
		2235	# customize the map for a given player, i.e.
		2236	# return the _real_ map. used by e.g. per-player
		2237	# maps to change the path to ~playername/mappath
2011	sub customise_for {	2238	sub customise_for {
2012	my ($self, $ob) = @_;	2239	my ($self, $ob) = @_;
2013		2240
2014	return find "~" . $ob->name . "/" . $self->{path}	2241	return find "~" . $ob->name . "/" . $self->{path}
2015	if $self->per_player;	2242	if $self->per_player;
…		…
2031	or next;	2258	or next;
2032	$neigh = find $neigh, $map	2259	$neigh = find $neigh, $map
2033	or next;	2260	or next;
2034	$neigh->load;	2261	$neigh->load;
2035		2262
		2263	# now find the diagonal neighbours
2036	push @neigh,	2264	push @neigh,
2037	[$neigh->tile_path (($_ + 3) % 4), $neigh],	2265	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2038	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2266	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2039	}	2267	}
2040		2268
…		…
2047	}	2275	}
2048		2276
2049	sub find_sync {	2277	sub find_sync {
2050	my ($path, $origin) = @_;	2278	my ($path, $origin) = @_;
2051		2279
2052	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, $origin
2053	}	2285	}
2054		2286
2055	sub do_load_sync {	2287	sub do_load_sync {
2056	my ($map) = @_;	2288	my ($map) = @_;
2057		2289
		2290	# it's a bug to call this from the main context
2058	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2291	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2059	if $Coro::current == $Coro::main;	2292	if $Coro::current == $Coro::main;
2060		2293
2061	cf::sync_job { $map->load };	2294	$map->load;
2062	}	2295	}
2063		2296
2064	our %MAP_PREFETCH;	2297	our %MAP_PREFETCH;
2065	our $MAP_PREFETCHER = undef;	2298	our $MAP_PREFETCHER = undef;
2066		2299
2067	sub find_async {	2300	sub find_async {
2068	my ($path, $origin, $load) = @_;	2301	my ($path, $origin, $load) = @_;
2069		2302
2070	$path = normalise $path, $origin && $origin->{path};	2303	$path = normalise $path, $origin;
2071		2304
2072	if (my $map = $cf::MAP{$path}) {	2305	if (my $map = $cf::MAP{$path}) {
2073	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2306	return $map if !$load || $map->linkable;
2074	}	2307	}
2075		2308
2076	$MAP_PREFETCH{$path} |= $load;	2309	$MAP_PREFETCH{$path} |= $load;
2077		2310
2078	$MAP_PREFETCHER ||= cf::async {	2311	$MAP_PREFETCHER ||= cf::async {
…		…
2092	$MAP_PREFETCHER->prio (6);	2325	$MAP_PREFETCHER->prio (6);
2093		2326
2094	()	2327	()
2095	}	2328	}
2096		2329
		2330	# common code, used by both ->save and ->swapout
2097	sub save {	2331	sub _save {
2098	my ($self) = @_;	2332	my ($self) = @_;
2099
2100	my $lock = cf::lock_acquire "map_data:$self->{path}";
2101		2333
2102	$self->{last_save} = $cf::RUNTIME;	2334	$self->{last_save} = $cf::RUNTIME;
2103		2335
2104	return unless $self->dirty;	2336	return unless $self->dirty;
2105		2337
…		…
2114		2346
2115	cf::async {	2347	cf::async {
2116	$Coro::current->{desc} = "map player save";	2348	$Coro::current->{desc} = "map player save";
2117	$_->contr->save for $self->players;	2349	$_->contr->save for $self->players;
2118	};	2350	};
		2351
		2352	cf::get_slot 0.02;
2119		2353
2120	if ($uniq) {	2354	if ($uniq) {
2121	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2355	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2122	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2356	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2123	} else {	2357	} else {
2124	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2358	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2125	}	2359	}
2126	}	2360	}
2127		2361
		2362	sub save {
		2363	my ($self) = @_;
		2364
		2365	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2366
		2367	$self->_save;
		2368	}
		2369
2128	sub swap_out {	2370	sub swap_out {
2129	my ($self) = @_;	2371	my ($self) = @_;
2130		2372
2131	# save first because save cedes
2132	$self->save;
2133
2134	my $lock = cf::lock_acquire "map_data:$self->{path}";	2373	my $lock = cf::lock_acquire "map_data:$self->{path}";
2135		2374
		2375	return if !$self->linkable;
		2376	return if $self->{deny_save};
2136	return if $self->players;	2377	return if $self->players;
2137	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
2138	return if $self->{deny_save};	2395	return 1e99 if $self->{deny_reset};
2139		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
2140	$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};
2141		2429
2142	$self->deactivate;	2430	$self->deactivate;
2143	$_->clear_links_to ($self) for values %cf::MAP;	2431	$_->clear_links_to ($self) for values %cf::MAP;
2144	$self->clear;	2432	$self->clear;
2145	}
2146
2147	sub reset_at {
2148	my ($self) = @_;
2149
2150	# TODO: safety, remove and allow resettable per-player maps
2151	return 1e99 if $self->{deny_reset};
2152
2153	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2154	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2155
2156	$time + $to
2157	}
2158
2159	sub should_reset {
2160	my ($self) = @_;
2161
2162	$self->reset_at <= $cf::RUNTIME
2163	}
2164
2165	sub reset {
2166	my ($self) = @_;
2167
2168	my $lock = cf::lock_acquire "map_data:$self->{path}";
2169
2170	return if $self->players;
2171
2172	warn "resetting map ", $self->path;
2173
2174	$self->in_memory (cf::MAP_SWAPPED);
2175
2176	# need to save uniques path
2177	unless ($self->{deny_save}) {
2178	my $uniq = $self->uniq_path; utf8::encode $uniq;
2179
2180	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2181	if $uniq;
2182	}
2183
2184	delete $cf::MAP{$self->path};
2185
2186	$self->deactivate;
2187	$_->clear_links_to ($self) for values %cf::MAP;
2188	$self->clear;
2189		2433
2190	$self->unlink_save;	2434	$self->unlink_save;
2191	$self->destroy;	2435	$self->destroy;
2192	}	2436	}
2193		2437
…		…
2201		2445
2202	delete $cf::MAP{$self->path};	2446	delete $cf::MAP{$self->path};
2203		2447
2204	$self->unlink_save;	2448	$self->unlink_save;
2205		2449
2206	bless $self, "cf::map";	2450	bless $self, "cf::map::wrap";
2207	delete $self->{deny_reset};	2451	delete $self->{deny_reset};
2208	$self->{deny_save} = 1;	2452	$self->{deny_save} = 1;
2209	$self->reset_timeout (1);	2453	$self->reset_timeout (1);
2210	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2454	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2211		2455
…		…
2260		2504
2261	sub unique_maps() {	2505	sub unique_maps() {
2262	[	2506	[
2263	map {	2507	map {
2264	utf8::decode $_;	2508	utf8::decode $_;
2265	/\.map$/	2509	s/\.map$//; # TODO future compatibility hack
		2510	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2511	? ()
2266	? normalise $_	2512	: normalise $_
2267	: ()
2268	} @{ aio_readdir $UNIQUEDIR or [] }	2513	} @{ aio_readdir $UNIQUEDIR or [] }
2269	]	2514	]
2270	}	2515	}
2271		2516
2272	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	}
2273		2548
2274	=back	2549	=back
2275		2550
2276	=head3 cf::object	2551	=head3 cf::object
2277		2552
…		…
2281		2556
2282	=over 4	2557	=over 4
2283		2558
2284	=item $ob->inv_recursive	2559	=item $ob->inv_recursive
2285		2560
2286	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.
2287		2563
2288	=cut	2564	=cut
2289		2565
2290	sub inv_recursive_;	2566	sub inv_recursive_;
2291	sub inv_recursive_ {	2567	sub inv_recursive_ {
…		…
2296	inv_recursive_ inv $_[0]	2572	inv_recursive_ inv $_[0]
2297	}	2573	}
2298		2574
2299	=item $ref = $ob->ref	2575	=item $ref = $ob->ref
2300		2576
2301	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.
2302		2578
2303	=item $ob = cf::object::deref ($refstring)	2579	=item $ob = cf::object::deref ($refstring)
2304		2580
2305	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,
2306	even if the object actually exists. May block.	2582	even if the object actually exists. May block.
…		…
2338	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
2339	dialogue with the given NPC character.	2615	dialogue with the given NPC character.
2340		2616
2341	=cut	2617	=cut
2342		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
2343	# rough implementation of a future "reply" method that works	2633	# rough implementation of a future "reply" method that works
2344	# with dialog boxes.	2634	# with dialog boxes.
2345	#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
2346	sub cf::object::player::reply($$$;$) {	2636	sub cf::object::player::reply($$$;$) {
2347	my ($self, $npc, $msg, $flags) = @_;	2637	my ($self, $npc, $msg, $flags) = @_;
…		…
2358	my $dialog = $pl->{npc_dialog};	2648	my $dialog = $pl->{npc_dialog};
2359	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2649	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2360		2650
2361	} else {	2651	} else {
2362	$msg = $npc->name . " says: $msg" if $npc;	2652	$msg = $npc->name . " says: $msg" if $npc;
2363	$self->message ($msg, $flags);	2653	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2364	}	2654	}
2365	}	2655	}
2366	}	2656	}
2367		2657
2368	=item $object->send_msg ($channel, $msg, $color, [extra...])	2658	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2393		2683
2394	=item $player_object->enter_link	2684	=item $player_object->enter_link
2395		2685
2396	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}>).
2397		2687
2398	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.
2399	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.
2400		2692
2401	Will never block.	2693	Will never block.
2402		2694
2403	=item $player_object->leave_link ($map, $x, $y)	2695	=item $player_object->leave_link ($map, $x, $y)
2404		2696
…		…
2424	sub cf::object::player::enter_link {	2716	sub cf::object::player::enter_link {
2425	my ($self) = @_;	2717	my ($self) = @_;
2426		2718
2427	$self->deactivate_recursive;	2719	$self->deactivate_recursive;
2428		2720
		2721	++$self->{_link_recursion};
		2722
2429	return if UNIVERSAL::isa $self->map, "ext::map_link";	2723	return if UNIVERSAL::isa $self->map, "ext::map_link";
2430		2724
2431	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2725	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2432	if $self->map && $self->map->{path} ne "{link}";	2726	if $self->map && $self->map->{path} ne "{link}";
2433		2727
2434	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2728	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2435	}	2729	}
2436		2730
2437	sub cf::object::player::leave_link {	2731	sub cf::object::player::leave_link {
2438	my ($self, $map, $x, $y) = @_;	2732	my ($self, $map, $x, $y) = @_;
2439		2733
…		…
2456	($x, $y) = (-1, -1)	2750	($x, $y) = (-1, -1)
2457	unless (defined $x) && (defined $y);	2751	unless (defined $x) && (defined $y);
2458		2752
2459	# use -1 or undef as default coordinates, not 0, 0	2753	# use -1 or undef as default coordinates, not 0, 0
2460	($x, $y) = ($map->enter_x, $map->enter_y)	2754	($x, $y) = ($map->enter_x, $map->enter_y)
2461	if $x <=0 && $y <= 0;	2755	if $x <= 0 && $y <= 0;
2462		2756
2463	$map->load;	2757	$map->load;
2464	$map->load_neighbours;	2758	$map->load_neighbours;
2465		2759
2466	return unless $self->contr->active;	2760	return unless $self->contr->active;
2467	$self->activate_recursive;
2468		2761
2469	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2762	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2470	$self->enter_map ($map, $x, $y);	2763	if ($self->enter_map ($map, $x, $y)) {
2471	}	2764	# entering was successful
		2765	delete $self->{_link_recursion};
		2766	# only activate afterwards, to support waiting in hooks
		2767	$self->activate_recursive;
		2768	}
2472		2769
		2770	}
		2771
2473	=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)]])
2474		2773
2475	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
2476	her, loading and preparing them map, calling the provided $check callback	2775	her, loading and preparing them map, calling the provided $check callback
2477	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
2478	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
2479	be called at the end of this process.	2778	be called at the end of this process.
2480		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
2481	=cut	2783	=cut
2482		2784
2483	our $GOTOGEN;	2785	our $GOTOGEN;
2484		2786
2485	sub cf::object::player::goto {	2787	sub cf::object::player::goto {
2486	my ($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	}
2487		2795
2488	# 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
2489	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2797	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2490		2798
2491	$self->enter_link;	2799	$self->enter_link;
…		…
2511	($path, $x, $y) = (undef, undef, undef);	2819	($path, $x, $y) = (undef, undef, undef);
2512	}	2820	}
2513	}	2821	}
2514		2822
2515	my $map = eval {	2823	my $map = eval {
2516	my $map = defined $path ? cf::map::find $path : undef;	2824	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2517		2825
2518	if ($map) {	2826	if ($map) {
2519	$map = $map->customise_for ($self);	2827	$map = $map->customise_for ($self);
2520	$map = $check->($map) if $check && $map;	2828	$map = $check->($map, $x, $y, $self) if $check && $map;
2521	} else {	2829	} else {
2522	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2830	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2523	}	2831	}
2524		2832
2525	$map	2833	$map
…		…
2533	if ($gen == $self->{_goto_generation}) {	2841	if ($gen == $self->{_goto_generation}) {
2534	delete $self->{_goto_generation};	2842	delete $self->{_goto_generation};
2535	$self->leave_link ($map, $x, $y);	2843	$self->leave_link ($map, $x, $y);
2536	}	2844	}
2537		2845
2538	$done->() if $done;	2846	$done->($self) if $done;
2539	})->prio (1);	2847	})->prio (1);
2540	}	2848	}
2541		2849
2542	=item $player_object->enter_exit ($exit_object)	2850	=item $player_object->enter_exit ($exit_object)
2543		2851
…		…
2563	}	2871	}
2564		2872
2565	sub prepare_random_map {	2873	sub prepare_random_map {
2566	my ($exit) = @_;	2874	my ($exit) = @_;
2567		2875
2568	my $guard = cf::lock_acquire "exit_prepare:$exit";
2569
2570	# all this does is basically replace the /! path by	2876	# all this does is basically replace the /! path by
2571	# a new random map path (?random/...) with a seed	2877	# a new random map path (?random/...) with a seed
2572	# that depends on the exit object	2878	# that depends on the exit object
2573		2879
2574	my $rmp = parse_random_map_params $exit->msg;	2880	my $rmp = parse_random_map_params $exit->msg;
…		…
2576	if ($exit->map) {	2882	if ($exit->map) {
2577	$rmp->{region} = $exit->region->name;	2883	$rmp->{region} = $exit->region->name;
2578	$rmp->{origin_map} = $exit->map->path;	2884	$rmp->{origin_map} = $exit->map->path;
2579	$rmp->{origin_x} = $exit->x;	2885	$rmp->{origin_x} = $exit->x;
2580	$rmp->{origin_y} = $exit->y;	2886	$rmp->{origin_y} = $exit->y;
		2887
		2888	$exit->map->touch;
2581	}	2889	}
2582		2890
2583	$rmp->{random_seed} ||= $exit->random_seed;	2891	$rmp->{random_seed} ||= $exit->random_seed;
2584		2892
2585	my $data = cf::to_json $rmp;	2893	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2586	my $md5 = Digest::MD5::md5_hex $data;	2894	my $md5 = Digest::MD5::md5_hex $data;
2587	my $meta = "$RANDOMDIR/$md5.meta";	2895	my $meta = "$RANDOMDIR/$md5.meta";
2588		2896
2589	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2897	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2590	aio_write $fh, 0, (length $data), $data, 0;	2898	aio_write $fh, 0, (length $data), $data, 0;
2591	undef $fh;	2899	undef $fh;
2592	aio_rename "$meta~", $meta;	2900	aio_rename "$meta~", $meta;
2593		2901
		2902	my $slaying = "?random/$md5";
		2903
		2904	if ($exit->valid) {
2594	$exit->slaying ("?random/$md5");	2905	$exit->slaying ("?random/$md5");
2595	$exit->msg (undef);	2906	$exit->msg (undef);
		2907	}
2596	}	2908	}
2597	}	2909	}
2598		2910
2599	sub cf::object::player::enter_exit {	2911	sub cf::object::player::enter_exit {
2600	my ($self, $exit) = @_;	2912	my ($self, $exit) = @_;
2601		2913
2602	return unless $self->type == cf::PLAYER;	2914	return unless $self->type == cf::PLAYER;
2603		2915
2604	if ($exit->slaying eq "/!") {
2605	#TODO: this should de-fi-ni-te-ly not be a sync-job
2606	# the problem is that $exit might not survive long enough
2607	# so it needs to be done right now, right here
2608	cf::sync_job { prepare_random_map $exit };
2609	}
2610
2611	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2612	my $hp = $exit->stats->hp;
2613	my $sp = $exit->stats->sp;
2614
2615	$self->enter_link;	2916	$self->enter_link;
2616		2917
2617	# if exit is damned, update players death & WoR home-position
2618	$self->contr->savebed ($slaying, $hp, $sp)
2619	if $exit->flag (FLAG_DAMNED);
2620
2621	(async {	2918	(async {
2622	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2919	$Coro::current->{desc} = "enter_exit";
2623		2920
2624	$self->deactivate_recursive; # just to be sure
2625	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
2626	$self->goto ($slaying, $hp, $sp);	2951	$self->goto ($map, $x, $y);
2627		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
2628	1;	2957	1
2629	}) {	2958	}) {
2630	$self->message ("Something went wrong deep within the crossfire server. "	2959	$self->message ("Something went wrong deep within the deliantra server. "
2631	. "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. "
2632	. "Please report this to the dungeon master!",	2961	. "Please report this to the dungeon master!",
2633	cf::NDI_UNIQUE | cf::NDI_RED);	2962	cf::NDI_UNIQUE | cf::NDI_RED);
2634		2963
2635	warn "ERROR in enter_exit: $@";	2964	error "ERROR in enter_exit: $@";
2636	$self->leave_link;	2965	$self->leave_link;
2637	}	2966	}
2638	})->prio (1);	2967	})->prio (1);
2639	}	2968	}
2640		2969
…		…
2652	sub cf::client::send_drawinfo {	2981	sub cf::client::send_drawinfo {
2653	my ($self, $text, $flags) = @_;	2982	my ($self, $text, $flags) = @_;
2654		2983
2655	utf8::encode $text;	2984	utf8::encode $text;
2656	$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);
2657	}	3011	}
2658		3012
2659	=item $client->send_msg ($channel, $msg, $color, [extra...])	3013	=item $client->send_msg ($channel, $msg, $color, [extra...])
2660		3014
2661	Send a drawinfo or msg packet to the client, formatting the msg for the	3015	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2663	the message, with C<log> being the default. If C<$color> is negative, suppress	3017	the message, with C<log> being the default. If C<$color> is negative, suppress
2664	the message unless the client supports the msg packet.	3018	the message unless the client supports the msg packet.
2665		3019
2666	=cut	3020	=cut
2667		3021
		3022	# non-persistent channels (usually the info channel)
2668	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	},
2669	"c/identify" => {	3030	"c/identify" => {
2670	id => "infobox",	3031	id => "infobox",
2671	title => "Identify",	3032	title => "Identify",
2672	reply => undef,	3033	reply => undef,
2673	tooltip => "Items recently identified",	3034	tooltip => "Items recently identified",
…		…
2676	id => "infobox",	3037	id => "infobox",
2677	title => "Examine",	3038	title => "Examine",
2678	reply => undef,	3039	reply => undef,
2679	tooltip => "Signs and other items you examined",	3040	tooltip => "Signs and other items you examined",
2680	},	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	},
2681	"c/lookat" => {	3054	"c/lookat" => {
2682	id => "infobox",	3055	id => "infobox",
2683	title => "Look",	3056	title => "Look",
2684	reply => undef,	3057	reply => undef,
2685	tooltip => "What you saw there",	3058	tooltip => "What you saw there",
2686	},	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" => $CHAT_CHANNEL,
2687	);	3134	);
2688		3135
2689	sub cf::client::send_msg {	3136	sub cf::client::send_msg {
2690	my ($self, $channel, $msg, $color, @extra) = @_;	3137	my ($self, $channel, $msg, $color, @extra) = @_;
2691		3138
2692	$msg = $self->pl->expand_cfpod ($msg);	3139	$msg = $self->pl->expand_cfpod ($msg)
		3140	unless $color & cf::NDI_VERBATIM;
2693		3141
2694	$color &= cf::NDI_CLIENT_MASK; # just in case...	3142	$color &= cf::NDI_CLIENT_MASK; # just in case...
2695		3143
2696	# check predefined channels, for the benefit of C	3144	# check predefined channels, for the benefit of C
2697	if ($CHANNEL{$channel}) {	3145	if ($CHANNEL{$channel}) {
2698	$channel = $CHANNEL{$channel};	3146	$channel = $CHANNEL{$channel};
2699		3147
2700	$self->ext_msg (channel_info => $channel)	3148	$self->ext_msg (channel_info => $channel);
2701	if $self->can_msg;
2702
2703	$channel = $channel->{id};	3149	$channel = $channel->{id};
2704		3150
2705	} elsif (ref $channel) {	3151	} elsif (ref $channel) {
2706	# send meta info to client, if not yet sent	3152	# send meta info to client, if not yet sent
2707	unless (exists $self->{channel}{$channel->{id}}) {	3153	unless (exists $self->{channel}{$channel->{id}}) {
2708	$self->{channel}{$channel->{id}} = $channel;	3154	$self->{channel}{$channel->{id}} = $channel;
2709	$self->ext_msg (channel_info => $channel)	3155	$self->ext_msg (channel_info => $channel);
2710	if $self->can_msg;
2711	}	3156	}
2712		3157
2713	$channel = $channel->{id};	3158	$channel = $channel->{id};
2714	}	3159	}
2715		3160
2716	return unless @extra || length $msg;	3161	return unless @extra || length $msg;
2717		3162
2718	if ($self->can_msg) {
2719	# default colour, mask it out	3163	# default colour, mask it out
2720	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3164	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2721	if $color & cf::NDI_DEF;	3165	if $color & cf::NDI_DEF;
2722		3166
2723	$self->send_packet ("msg " . $self->{json_coder}->encode (	3167	my $pkt = "msg "
		3168	. $self->{json_coder}->encode (
2724	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3169	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2725	} else {	3170	);
2726	if ($color >= 0) {
2727	# replace some tags by gcfclient-compatible ones
2728	for ($msg) {
2729	1 while
2730	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2731	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2732	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2733	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2734	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2735	}
2736		3171
2737	$color &= cf::NDI_COLOR_MASK;	3172	$self->send_big_packet ($pkt);
2738
2739	utf8::encode $msg;
2740
2741	if (0 && $msg =~ /\[/) {
2742	# COMMAND/INFO
2743	$self->send_packet ("drawextinfo $color 10 8 $msg")
2744	} else {
2745	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2746	$self->send_packet ("drawinfo $color $msg")
2747	}
2748	}
2749	}
2750	}	3173	}
2751		3174
2752	=item $client->ext_msg ($type, @msg)	3175	=item $client->ext_msg ($type, @msg)
2753		3176
2754	Sends an ext event to the client.	3177	Sends an ext event to the client.
…		…
2757		3180
2758	sub cf::client::ext_msg($$@) {	3181	sub cf::client::ext_msg($$@) {
2759	my ($self, $type, @msg) = @_;	3182	my ($self, $type, @msg) = @_;
2760		3183
2761	if ($self->extcmd == 2) {	3184	if ($self->extcmd == 2) {
2762	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3185	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2763	} elsif ($self->extcmd == 1) { # TODO: remove	3186	} elsif ($self->extcmd == 1) { # TODO: remove
2764	push @msg, msgtype => "event_$type";	3187	push @msg, msgtype => "event_$type";
2765	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3188	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2766	}	3189	}
2767	}	3190	}
2768		3191
2769	=item $client->ext_reply ($msgid, @msg)	3192	=item $client->ext_reply ($msgid, @msg)
2770		3193
…		…
2774		3197
2775	sub cf::client::ext_reply($$@) {	3198	sub cf::client::ext_reply($$@) {
2776	my ($self, $id, @msg) = @_;	3199	my ($self, $id, @msg) = @_;
2777		3200
2778	if ($self->extcmd == 2) {	3201	if ($self->extcmd == 2) {
2779	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3202	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2780	} elsif ($self->extcmd == 1) {	3203	} elsif ($self->extcmd == 1) {
2781	#TODO: version 1, remove	3204	#TODO: version 1, remove
2782	unshift @msg, msgtype => "reply", msgid => $id;	3205	unshift @msg, msgtype => "reply", msgid => $id;
2783	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3206	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2784	}	3207	}
2785	}	3208	}
2786		3209
2787	=item $success = $client->query ($flags, "text", \&cb)	3210	=item $success = $client->query ($flags, "text", \&cb)
2788		3211
…		…
2859		3282
2860	$ns->ext_reply ($reply, @reply)	3283	$ns->ext_reply ($reply, @reply)
2861	if $reply;	3284	if $reply;
2862		3285
2863	} else {	3286	} else {
2864	warn "client " . ($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";
2865	}	3288	}
2866		3289
2867	cf::override;	3290	cf::override;
2868	},	3291	},
2869	);	3292	);
…		…
2889		3312
2890	$coro	3313	$coro
2891	}	3314	}
2892		3315
2893	cf::client->attach (	3316	cf::client->attach (
2894	on_destroy => sub {	3317	on_client_destroy => sub {
2895	my ($ns) = @_;	3318	my ($ns) = @_;
2896		3319
2897	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3320	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2898	},	3321	},
2899	);	3322	);
…		…
2915	our $safe_hole = new Safe::Hole;	3338	our $safe_hole = new Safe::Hole;
2916		3339
2917	$SIG{FPE} = 'IGNORE';	3340	$SIG{FPE} = 'IGNORE';
2918		3341
2919	$safe->permit_only (Opcode::opset qw(	3342	$safe->permit_only (Opcode::opset qw(
2920	:base_core :base_mem :base_orig :base_math	3343	:base_core :base_mem :base_orig :base_math :base_loop
2921	grepstart grepwhile mapstart mapwhile	3344	grepstart grepwhile mapstart mapwhile
2922	sort time	3345	sort time
2923	));	3346	));
2924		3347
2925	# here we export the classes and methods available to script code	3348	# here we export the classes and methods available to script code
…		…
2928		3351
2929	The following functions and methods are available within a safe environment:	3352	The following functions and methods are available within a safe environment:
2930		3353
2931	cf::object	3354	cf::object
2932	contr pay_amount pay_player map x y force_find force_add destroy	3355	contr pay_amount pay_player map x y force_find force_add destroy
2933	insert remove name archname title slaying race decrease_ob_nr	3356	insert remove name archname title slaying race decrease split
		3357	value
2934		3358
2935	cf::object::player	3359	cf::object::player
2936	player	3360	player
2937		3361
2938	cf::player	3362	cf::player
…		…
2943		3367
2944	=cut	3368	=cut
2945		3369
2946	for (	3370	for (
2947	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3371	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2948	insert remove inv name archname title slaying race	3372	insert remove inv nrof name archname title slaying race
2949	decrease_ob_nr destroy)],	3373	decrease split destroy change_exp value msg lore send_msg)],
2950	["cf::object::player" => qw(player)],	3374	["cf::object::player" => qw(player)],
2951	["cf::player" => qw(peaceful)],	3375	["cf::player" => qw(peaceful send_msg)],
2952	["cf::map" => qw(trigger)],	3376	["cf::map" => qw(trigger)],
2953	) {	3377	) {
2954	no strict 'refs';
2955	my ($pkg, @funs) = @$_;	3378	my ($pkg, @funs) = @$_;
2956	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3379	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2957	for @funs;	3380	for @funs;
2958	}	3381	}
2959		3382
…		…
2974		3397
2975	my $qcode = $code;	3398	my $qcode = $code;
2976	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3399	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2977	$qcode =~ s/\n/\\n/g;	3400	$qcode =~ s/\n/\\n/g;
2978		3401
		3402	%vars = (_dummy => 0) unless %vars;
		3403
		3404	my @res;
2979	local $_;	3405	local $_;
2980	local @safe::cf::_safe_eval_args = values %vars;
2981		3406
2982	my $eval =	3407	my $eval =
2983	"do {\n"	3408	"do {\n"
2984	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3409	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2985	. "#line 0 \"{$qcode}\"\n"	3410	. "#line 0 \"{$qcode}\"\n"
2986	. $code	3411	. $code
2987	. "\n}"	3412	. "\n}"
2988	;	3413	;
2989		3414
		3415	if ($CFG{safe_eval}) {
2990	sub_generation_inc;	3416	sub_generation_inc;
		3417	local @safe::cf::_safe_eval_args = values %vars;
2991	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3418	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2992	sub_generation_inc;	3419	sub_generation_inc;
		3420	} else {
		3421	local @cf::_safe_eval_args = values %vars;
		3422	@res = wantarray ? eval eval : scalar eval $eval;
		3423	}
2993		3424
2994	if ($@) {	3425	if ($@) {
2995	warn "$@";	3426	warn "$@",
2996	warn "while executing safe code '$code'\n";	3427	"while executing safe code '$code'\n",
2997	warn "with arguments " . (join " ", %vars) . "\n";	3428	"with arguments " . (join " ", %vars) . "\n";
2998	}	3429	}
2999		3430
3000	wantarray ? @res : $res[0]	3431	wantarray ? @res : $res[0]
3001	}	3432	}
3002		3433
…		…
3016	=cut	3447	=cut
3017		3448
3018	sub register_script_function {	3449	sub register_script_function {
3019	my ($fun, $cb) = @_;	3450	my ($fun, $cb) = @_;
3020		3451
3021	no strict 'refs';	3452	$fun = "safe::$fun" if $CFG{safe_eval};
3022	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3453	*$fun = $safe_hole->wrap ($cb);
3023	}	3454	}
3024		3455
3025	=back	3456	=back
3026		3457
3027	=cut	3458	=cut
…		…
3036	# for this (global event?)	3467	# for this (global event?)
3037	%ext::player_env::MUSIC_FACE_CACHE = ();	3468	%ext::player_env::MUSIC_FACE_CACHE = ();
3038		3469
3039	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3470	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3040		3471
3041	warn "loading facedata from $path\n";	3472	trace "loading facedata from $path\n";
3042		3473
3043	my $facedata;	3474	my $facedata = decode_storable load_file $path;
3044	0 < aio_load $path, $facedata
3045	or die "$path: $!";
3046
3047	$facedata = Coro::Storable::thaw $facedata;
3048		3475
3049	$facedata->{version} == 2	3476	$facedata->{version} == 2
3050	or cf::cleanup "$path: version mismatch, cannot proceed.";	3477	or cf::cleanup "$path: version mismatch, cannot proceed.";
3051		3478
3052	# 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]);
3053	$facedata->{resource}{"res/exp_table"} = {	3481	$facedata->{resource}{"res/exp_table"} = {
3054	type => FT_RSRC,	3482	type => FT_RSRC,
3055	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),
3056	};	3485	};
3057	cf::cede_to_tick;	3486	cf::cede_to_tick;
3058		3487
3059	{	3488	{
3060	my $faces = $facedata->{faceinfo};	3489	my $faces = $facedata->{faceinfo};
3061		3490
3062	while (my ($face, $info) = each %$faces) {	3491	while (my ($face, $info) = each %$faces) {
3063	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3492	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3493
3064	cf::face::set_visibility $idx, $info->{visibility};	3494	cf::face::set_visibility $idx, $info->{visibility};
3065	cf::face::set_magicmap $idx, $info->{magicmap};	3495	cf::face::set_magicmap $idx, $info->{magicmap};
3066	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3496	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3067	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} , $info->{glyph} ;
3068		3499
3069	cf::cede_to_tick;	3500	cf::cede_to_tick;
3070	}	3501	}
3071		3502
3072	while (my ($face, $info) = each %$faces) {	3503	while (my ($face, $info) = each %$faces) {
3073	next unless $info->{smooth};	3504	next unless $info->{smooth};
		3505
3074	my $idx = cf::face::find $face	3506	my $idx = cf::face::find $face
3075	or next;	3507	or next;
		3508
3076	if (my $smooth = cf::face::find $info->{smooth}) {	3509	if (my $smooth = cf::face::find $info->{smooth}) {
3077	cf::face::set_smooth $idx, $smooth;	3510	cf::face::set_smooth $idx, $smooth;
3078	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3511	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3079	} else {	3512	} else {
3080	warn "smooth face '$info->{smooth}' not found for face '$face'";	3513	error "smooth face '$info->{smooth}' not found for face '$face'";
3081	}	3514	}
3082		3515
3083	cf::cede_to_tick;	3516	cf::cede_to_tick;
3084	}	3517	}
3085	}	3518	}
…		…
3094		3527
3095	cf::anim::invalidate_all; # d'oh	3528	cf::anim::invalidate_all; # d'oh
3096	}	3529	}
3097		3530
3098	{	3531	{
3099	# TODO: for gcfclient pleasure, we should give resources
3100	# that gcfclient doesn't grok a >10000 face index.
3101	my $res = $facedata->{resource};	3532	my $res = $facedata->{resource};
3102		3533
3103	my $soundconf = delete $res->{"res/sound.conf"};
3104
3105	while (my ($name, $info) = each %$res) {	3534	while (my ($name, $info) = each %$res) {
		3535	if (defined $info->{type}) {
3106	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3536	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3107	my $data;
3108		3537
3109	if ($info->{type} & 1) {	3538	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3110	# prepend meta info	3539	cf::face::set_type $idx, $info->{type};
3111
3112	my $meta = $enc->encode ({
3113	name => $name,
3114	%{ $info->{meta} || {} },
3115	});
3116
3117	$data = pack "(w/a*)*", $meta, $info->{data};
3118	} else {	3540	} else {
3119	$data = $info->{data};	3541	$RESOURCE{$name} = $info; # unused
3120	}	3542	}
3121		3543
3122	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3123	cf::face::set_type $idx, $info->{type};
3124
3125	cf::cede_to_tick;	3544	cf::cede_to_tick;
3126	}	3545	}
3127
3128	if ($soundconf) {
3129	$soundconf = $enc->decode (delete $soundconf->{data});
3130
3131	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3132	my $sound = $soundconf->{compat}[$_]
3133	or next;
3134
3135	my $face = cf::face::find "sound/$sound->[1]";
3136	cf::sound::set $sound->[0] => $face;
3137	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3138	}
3139
3140	while (my ($k, $v) = each %{$soundconf->{event}}) {
3141	my $face = cf::face::find "sound/$v";
3142	cf::sound::set $k => $face;
3143	}
3144	}
3145	}	3546	}
		3547
		3548	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3146		3549
3147	1	3550	1
3148	}	3551	}
3149		3552
3150	register_exticmd fx_want => sub {	3553	register_exticmd fx_want => sub {
…		…
3152		3555
3153	while (my ($k, $v) = each %$want) {	3556	while (my ($k, $v) = each %$want) {
3154	$ns->fx_want ($k, $v);	3557	$ns->fx_want ($k, $v);
3155	}	3558	}
3156	};	3559	};
		3560
		3561	sub load_resource_file($) {
		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	$status
		3569	}
3157		3570
3158	sub reload_regions {	3571	sub reload_regions {
3159	# HACK to clear player env face cache, we need some signal framework	3572	# HACK to clear player env face cache, we need some signal framework
3160	# for this (global event?)	3573	# for this (global event?)
3161	%ext::player_env::MUSIC_FACE_CACHE = ();	3574	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3175	}	3588	}
3176		3589
3177	sub reload_archetypes {	3590	sub reload_archetypes {
3178	load_resource_file "$DATADIR/archetypes"	3591	load_resource_file "$DATADIR/archetypes"
3179	or die "unable to load archetypes\n";	3592	or die "unable to load archetypes\n";
3180	#d# NEED to laod twice to resolve forward references
3181	# this really needs to be done in an extra post-pass
3182	# (which needs to be synchronous, so solve it differently)
3183	load_resource_file "$DATADIR/archetypes"
3184	or die "unable to load archetypes\n";
3185	}	3593	}
3186		3594
3187	sub reload_treasures {	3595	sub reload_treasures {
3188	load_resource_file "$DATADIR/treasures"	3596	load_resource_file "$DATADIR/treasures"
3189	or die "unable to load treasurelists\n";	3597	or die "unable to load treasurelists\n";
3190	}	3598	}
3191		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
3192	sub reload_resources {	3620	sub reload_resources {
3193	warn "reloading resource files...\n";	3621	trace "reloading resource files...\n";
3194		3622
		3623	reload_exp_table;
		3624	reload_materials;
		3625	reload_facedata;
		3626	reload_sound;
		3627	reload_archetypes;
3195	reload_regions;	3628	reload_regions;
3196	reload_facedata;
3197	#reload_archetypes;#d#
3198	reload_archetypes;
3199	reload_treasures;	3629	reload_treasures;
3200		3630
3201	warn "finished reloading resource files\n";	3631	trace "finished reloading resource files\n";
3202	}
3203
3204	sub init {
3205	reload_resources;
3206	}	3632	}
3207		3633
3208	sub reload_config {	3634	sub reload_config {
3209	open my $fh, "<:utf8", "$CONFDIR/config"	3635	trace "reloading config file...\n";
3210	or return;
3211		3636
3212	local $/;	3637	my $config = load_file "$CONFDIR/config";
3213	*CFG = YAML::Syck::Load <$fh>;	3638	utf8::decode $config;
		3639	*CFG = decode_yaml $config;
3214		3640
3215	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3641	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3216		3642
3217	$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};
3218	$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};
3219		3645
3220	if (exists $CFG{mlockall}) {	3646	if (exists $CFG{mlockall}) {
…		…
3224	};	3650	};
3225	warn $@ if $@;	3651	warn $@ if $@;
3226	}	3652	}
3227	}	3653	}
3228		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
3229	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
3230	# we must not ever block the main coroutine	3693	# we must not ever block the main coroutine
3231	local $Coro::idle = sub {	3694	local $Coro::idle = sub {
3232	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#
3233	(async {	3696	(async {
3234	$Coro::current->{desc} = "IDLE BUG HANDLER";	3697	$Coro::current->{desc} = "IDLE BUG HANDLER";
3235	Event::one_event;	3698	EV::loop EV::LOOP_ONESHOT;
3236	})->prio (Coro::PRIO_MAX);	3699	})->prio (Coro::PRIO_MAX);
3237	};	3700	};
3238		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;
3239	reload_config;	3714	reload_config;
3240	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
3241	load_extensions;	3725	load_extensions;
3242		3726
3243	$TICK_WATCHER->start;	3727	utime time, time, $RUNTIMEFILE;
3244	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;
3245	}	3745	}
3246		3746
3247	#############################################################################	3747	#############################################################################
3248	# initialisation and cleanup	3748	# initialisation and cleanup
3249		3749
3250	# install some emergency cleanup handlers	3750	# install some emergency cleanup handlers
3251	BEGIN {	3751	BEGIN {
		3752	our %SIGWATCHER = ();
3252	for my $signal (qw(INT HUP TERM)) {	3753	for my $signal (qw(INT HUP TERM)) {
3253	Event->signal (	3754	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3254	reentrant => 0,
3255	data => WF_AUTOCANCEL,
3256	signal => $signal,
3257	prio => 0,
3258	cb => sub {
3259	cf::cleanup "SIG$signal";	3755	cf::cleanup "SIG$signal";
3260	},
3261	);	3756	};
3262	}	3757	}
3263	}	3758	}
3264		3759
3265	sub write_runtime {	3760	sub write_runtime_sync {
3266	my $runtime = "$LOCALDIR/runtime";	3761	my $t0 = AE::time;
3267		3762
3268	# first touch the runtime file to show we are still running:	3763	# first touch the runtime file to show we are still running:
3269	# the fsync below can take a very very long time.	3764	# the fsync below can take a very very long time.
3270		3765
3271	IO::AIO::aio_utime $runtime, undef, undef;	3766	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3272		3767
3273	my $guard = cf::lock_acquire "write_runtime";	3768	my $guard = cf::lock_acquire "write_runtime";
3274		3769
3275	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3770	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3276	or return;	3771	or return;
3277		3772
3278	my $value = $cf::RUNTIME + 90 + 10;	3773	my $value = $cf::RUNTIME + 90 + 10;
3279	# 10 is the runtime save interval, for a monotonic clock	3774	# 10 is the runtime save interval, for a monotonic clock
3280	# 60 allows for the watchdog to kill the server.	3775	# 60 allows for the watchdog to kill the server.
…		…
3290	aio_utime $fh, undef, undef;	3785	aio_utime $fh, undef, undef;
3291		3786
3292	close $fh	3787	close $fh
3293	or return;	3788	or return;
3294		3789
3295	aio_rename "$runtime~", $runtime	3790	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3296	and return;	3791	and return;
3297		3792
3298	warn "runtime file written.\n";	3793	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3299		3794
3300	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 };
3301	}	3846	}
3302		3847
3303	sub emergency_save() {	3848	sub emergency_save() {
3304	my $freeze_guard = cf::freeze_mainloop;	3849	my $freeze_guard = cf::freeze_mainloop;
3305		3850
3306	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;
3307		3857
3308	cf::sync_job {	3858	cf::sync_job {
		3859	cf::write_runtime_sync; # external watchdog should not bark
		3860
3309	# use a peculiar iteration method to avoid tripping on perl	3861	# use a peculiar iteration method to avoid tripping on perl
3310	# refcount bugs in for. also avoids problems with players	3862	# refcount bugs in for. also avoids problems with players
3311	# and maps saved/destroyed asynchronously.	3863	# and maps saved/destroyed asynchronously.
3312	warn "begin emergency player save\n";	3864	info "emergency_perl_save: begin player save\n";
3313	for my $login (keys %cf::PLAYER) {	3865	for my $login (keys %cf::PLAYER) {
3314	my $pl = $cf::PLAYER{$login} or next;	3866	my $pl = $cf::PLAYER{$login} or next;
3315	$pl->valid or next;	3867	$pl->valid or next;
3316	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3868	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3317	$pl->save;	3869	$pl->save;
3318	}	3870	}
3319	warn "end emergency player save\n";	3871	info "emergency_perl_save: end player save\n";
3320		3872
3321	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";
3322	for my $path (keys %cf::MAP) {	3876	for my $path (keys %cf::MAP) {
3323	my $map = $cf::MAP{$path} or next;	3877	my $map = $cf::MAP{$path} or next;
3324	$map->valid or next;	3878	$map->valid or next;
3325	$map->save;	3879	$map->save;
3326	}	3880	}
3327	warn "end emergency map save\n";	3881	info "emergency_perl_save: end map save\n";
3328		3882
3329	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";
3330	BDB::db_env_txn_checkpoint $DB_ENV;	3886	BDB::db_env_txn_checkpoint $DB_ENV;
3331	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 $DB_ENV;
		3897
		3898	info "emergency_perl_save: starting sync\n";
		3899	IO::AIO::aio_sync sub {
		3900	info "emergency_perl_save: finished sync\n";
		3901	};
		3902
		3903	cf::write_runtime_sync; # external watchdog should not bark
		3904
		3905	trace "emergency_perl_save: flushing outstanding aio requests";
		3906	while (IO::AIO::nreqs || BDB::nreqs) {
		3907	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3908	}
		3909
		3910	cf::write_runtime_sync; # external watchdog should not bark
3332	};	3911	};
3333		3912
3334	warn "leave emergency perl save\n";	3913	info "emergency_perl_save: leave\n";
3335	}	3914	}
3336		3915
3337	sub post_cleanup {	3916	sub post_cleanup {
3338	my ($make_core) = @_;	3917	my ($make_core) = @_;
3339		3918
		3919	IO::AIO::flush;
		3920
3340	warn Carp::longmess "post_cleanup backtrace"	3921	error Carp::longmess "post_cleanup backtrace"
3341	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	}
3342	}	3951	}
3343		3952
3344	sub do_reload_perl() {	3953	sub do_reload_perl() {
3345	# can/must only be called in main	3954	# can/must only be called in main
3346	if ($Coro::current != $Coro::main) {	3955	unless (in_main) {
3347	warn "can only reload from main coroutine";	3956	error "can only reload from main coroutine";
3348	return;	3957	return;
3349	}	3958	}
3350		3959
3351	warn "reloading...";	3960	return if $RELOAD++;
3352		3961
3353	warn "entering sync_job";	3962	my $t1 = AE::time;
3354		3963
		3964	while ($RELOAD) {
		3965	cf::get_slot 0.1, -1, "reload_perl";
		3966	info "perl_reload: reloading...";
		3967
		3968	trace "perl_reload: entering sync_job";
		3969
3355	cf::sync_job {	3970	cf::sync_job {
3356	cf::write_runtime; # external watchdog should not bark
3357	cf::emergency_save;	3971	#cf::emergency_save;
3358	cf::write_runtime; # external watchdog should not bark
3359		3972
3360	warn "syncing database to disk";
3361	BDB::db_env_txn_checkpoint $DB_ENV;
3362
3363	# if anything goes wrong in here, we should simply crash as we already saved
3364
3365	warn "cancelling all WF_AUTOCANCEL watchers";
3366	for (Event::all_watchers) {
3367	$_->cancel if $_->data & WF_AUTOCANCEL;
3368	}
3369
3370	warn "flushing outstanding aio requests";
3371	for (;;) {
3372	BDB::flush;
3373	IO::AIO::flush;
3374	Coro::cede;
3375	last unless IO::AIO::nreqs || BDB::nreqs;
3376	warn "iterate...";
3377	}
3378
3379	++$RELOAD;
3380
3381	warn "cancelling all extension coros";	3973	trace "perl_reload: cancelling all extension coros";
3382	$_->cancel for values %EXT_CORO;	3974	$_->cancel for values %EXT_CORO;
3383	%EXT_CORO = ();	3975	%EXT_CORO = ();
3384		3976
3385	warn "removing commands";	3977	trace "perl_reload: removing commands";
3386	%COMMAND = ();	3978	%COMMAND = ();
3387		3979
3388	warn "removing ext/exti commands";	3980	trace "perl_reload: removing ext/exti commands";
3389	%EXTCMD = ();	3981	%EXTCMD = ();
3390	%EXTICMD = ();	3982	%EXTICMD = ();
3391		3983
3392	warn "unloading/nuking all extensions";	3984	trace "perl_reload: unloading/nuking all extensions";
3393	for my $pkg (@EXTS) {	3985	for my $pkg (@EXTS) {
3394	warn "... unloading $pkg";	3986	trace "... unloading $pkg";
3395		3987
3396	if (my $cb = $pkg->can ("unload")) {	3988	if (my $cb = $pkg->can ("unload")) {
3397	eval {	3989	eval {
3398	$cb->($pkg);	3990	$cb->($pkg);
3399	1	3991	1
3400	} 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;
3401	}	3997	}
3402		3998
3403	warn "... nuking $pkg";
3404	Symbol::delete_package $pkg;
3405	}
3406
3407	warn "unloading all perl modules loaded from $LIBDIR";	3999	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3408	while (my ($k, $v) = each %INC) {	4000	while (my ($k, $v) = each %INC) {
3409	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4001	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3410		4002
3411	warn "... unloading $k";	4003	trace "... unloading $k";
3412	delete $INC{$k};	4004	delete $INC{$k};
3413		4005
3414	$k =~ s/\.pm$//;	4006	$k =~ s/\.pm$//;
3415	$k =~ s/\//::/g;	4007	$k =~ s/\//::/g;
3416		4008
3417	if (my $cb = $k->can ("unload_module")) {	4009	if (my $cb = $k->can ("unload_module")) {
3418	$cb->();	4010	$cb->();
		4011	}
		4012
		4013	clear_package $k;
3419	}	4014	}
3420		4015
3421	Symbol::delete_package $k;
3422	}
3423
3424	warn "getting rid of safe::, as good as possible";	4016	trace "perl_reload: getting rid of safe::, as good as possible";
3425	Symbol::delete_package "safe::$_"	4017	clear_package "safe::$_"
3426	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);
3427		4019
3428	warn "unloading cf.pm \"a bit\"";	4020	trace "perl_reload: unloading cf.pm \"a bit\"";
3429	delete $INC{"cf.pm"};	4021	delete $INC{"cf.pm"};
3430	delete $INC{"cf/pod.pm"};	4022	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3431		4023
3432	# don't, removes xs symbols, too,	4024	# don't, removes xs symbols, too,
3433	# and global variables created in xs	4025	# and global variables created in xs
3434	#Symbol::delete_package __PACKAGE__;	4026	#clear_package __PACKAGE__;
3435		4027
3436	warn "unload completed, starting to reload now";	4028	info "perl_reload: unload completed, starting to reload now";
3437		4029
3438	warn "reloading cf.pm";	4030	trace "perl_reload: reloading cf.pm";
3439	require cf;	4031	require cf;
3440	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4032	cf::_connect_to_perl_1;
3441		4033
3442	warn "loading config and database again";	4034	trace "perl_reload: loading config and database again";
3443	cf::reload_config;	4035	cf::reload_config;
3444		4036
3445	warn "loading extensions";	4037	trace "perl_reload: loading extensions";
3446	cf::load_extensions;	4038	cf::load_extensions;
3447		4039
		4040	if ($REATTACH_ON_RELOAD) {
3448	warn "reattaching attachments to objects/players";	4041	trace "perl_reload: reattaching attachments to objects/players";
3449	_global_reattach; # objects, sockets	4042	_global_reattach; # objects, sockets
3450	warn "reattaching attachments to maps";	4043	trace "perl_reload: reattaching attachments to maps";
3451	reattach $_ for values %MAP;	4044	reattach $_ for values %MAP;
3452	warn "reattaching attachments to players";	4045	trace "perl_reload: reattaching attachments to players";
3453	reattach $_ for values %PLAYER;	4046	reattach $_ for values %PLAYER;
		4047	}
3454		4048
3455	warn "leaving sync_job";	4049	cf::_post_init 1;
3456		4050
		4051	trace "perl_reload: leaving sync_job";
		4052
3457	1	4053	1
3458	} or do {	4054	} or do {
3459	warn $@;	4055	error $@;
3460	warn "error while reloading, exiting.";	4056	cf::cleanup "perl_reload: error, exiting.";
3461	exit 1;	4057	};
		4058
		4059	--$RELOAD;
3462	};	4060	}
3463		4061
3464	warn "reloaded";	4062	$t1 = AE::time - $t1;
		4063	info "perl_reload: completed in ${t1}s\n";
3465	};	4064	};
3466		4065
3467	our $RELOAD_WATCHER; # used only during reload	4066	our $RELOAD_WATCHER; # used only during reload
3468		4067
3469	sub reload_perl() {	4068	sub reload_perl() {
3470	# doing reload synchronously and two reloads happen back-to-back,	4069	# doing reload synchronously and two reloads happen back-to-back,
3471	# coro crashes during coro_state_free->destroy here.	4070	# coro crashes during coro_state_free->destroy here.
3472		4071
3473	$RELOAD_WATCHER ||= Event->timer (	4072	$RELOAD_WATCHER ||= cf::async {
3474	reentrant => 0,	4073	Coro::AIO::aio_wait cache_extensions;
3475	after => 0,	4074
3476	data => WF_AUTOCANCEL,	4075	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3477	cb => sub {
3478	do_reload_perl;	4076	do_reload_perl;
3479	undef $RELOAD_WATCHER;	4077	undef $RELOAD_WATCHER;
3480	},	4078	};
3481	);	4079	};
3482	}	4080	}
3483		4081
3484	register_command "reload" => sub {	4082	register_command "reload" => sub {
3485	my ($who, $arg) = @_;	4083	my ($who, $arg) = @_;
3486		4084
…		…
3491	reload_perl;	4089	reload_perl;
3492	};	4090	};
3493	}	4091	}
3494	};	4092	};
3495		4093
3496	unshift @INC, $LIBDIR;	4094	#############################################################################
3497		4095
3498	my $bug_warning = 0;	4096	my $bug_warning = 0;
3499		4097
3500	our @WAIT_FOR_TICK;	4098	our @WAIT_FOR_TICK;
3501	our @WAIT_FOR_TICK_BEGIN;	4099	our @WAIT_FOR_TICK_BEGIN;
3502		4100
3503	sub wait_for_tick {	4101	sub wait_for_tick() {
3504	return unless $TICK_WATCHER->is_active;
3505	return if $Coro::current == $Coro::main;	4102	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3506		4103
3507	my $signal = new Coro::Signal;	4104	my $signal = new Coro::Signal;
3508	push @WAIT_FOR_TICK, $signal;	4105	push @WAIT_FOR_TICK, $signal;
3509	$signal->wait;	4106	$signal->wait;
3510	}	4107	}
3511		4108
3512	sub wait_for_tick_begin {	4109	sub wait_for_tick_begin() {
3513	return unless $TICK_WATCHER->is_active;
3514	return if $Coro::current == $Coro::main;	4110	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3515		4111
3516	my $signal = new Coro::Signal;	4112	my $signal = new Coro::Signal;
3517	push @WAIT_FOR_TICK_BEGIN, $signal;	4113	push @WAIT_FOR_TICK_BEGIN, $signal;
3518	$signal->wait;	4114	$signal->wait;
3519	}	4115	}
3520		4116
3521	$TICK_WATCHER = Event->timer (	4117	sub tick {
3522	reentrant => 0,
3523	parked => 1,
3524	prio => 0,
3525	at => $NEXT_TICK || $TICK,
3526	data => WF_AUTOCANCEL,
3527	cb => sub {
3528	if ($Coro::current != $Coro::main) {	4118	if ($Coro::current != $Coro::main) {
3529	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4119	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3530	unless ++$bug_warning > 10;	4120	unless ++$bug_warning > 10;
3531	return;	4121	return;
3532	}	4122	}
3533		4123
3534	$NOW = $tick_start = Event::time;
3535
3536	cf::server_tick; # one server iteration	4124	cf::server_tick; # one server iteration
3537		4125
3538	$RUNTIME += $TICK;	4126	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3539	$NEXT_TICK += $TICK;
3540		4127
3541	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4128	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3542	$NEXT_RUNTIME_WRITE = $NOW + 10;	4129	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3543	Coro::async_pool {	4130	Coro::async_pool {
3544	$Coro::current->{desc} = "runtime saver";	4131	$Coro::current->{desc} = "runtime saver";
3545	write_runtime	4132	write_runtime_sync
3546	or warn "ERROR: unable to write runtime file: $!";	4133	or error "ERROR: unable to write runtime file: $!";
3547	};
3548	}	4134	};
		4135	}
3549		4136
3550	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4137	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3551	$sig->send;	4138	$sig->send;
3552	}	4139	}
3553	while (my $sig = shift @WAIT_FOR_TICK) {	4140	while (my $sig = shift @WAIT_FOR_TICK) {
3554	$sig->send;	4141	$sig->send;
3555	}	4142	}
3556		4143
3557	$NOW = Event::time;	4144	$LOAD = ($NOW - $TICK_START) / $TICK;
3558
3559	# if we are delayed by four ticks or more, skip them all
3560	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3561
3562	$TICK_WATCHER->at ($NEXT_TICK);
3563	$TICK_WATCHER->start;
3564
3565	$LOAD = ($NOW - $tick_start) / $TICK;
3566	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4145	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3567		4146
3568	_post_tick;	4147	if (0) {
		4148	if ($NEXT_TICK) {
		4149	my $jitter = $TICK_START - $NEXT_TICK;
		4150	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4151	debug "jitter $JITTER\n";#d#
		4152	}
3569	},	4153	}
3570	);	4154	}
3571		4155
3572	{	4156	{
		4157	# configure BDB
		4158
3573	BDB::min_parallel 8;	4159	BDB::min_parallel 16;
3574	BDB::max_poll_time $TICK * 0.1;	4160	BDB::max_poll_reqs $TICK * 0.1;
3575	$BDB_POLL_WATCHER = Event->io (	4161	$AnyEvent::BDB::WATCHER->priority (1);
3576	reentrant => 0,
3577	fd => BDB::poll_fileno,
3578	poll => 'r',
3579	prio => 0,
3580	data => WF_AUTOCANCEL,
3581	cb => \&BDB::poll_cb,
3582	);
3583
3584	BDB::set_sync_prepare {
3585	my $status;
3586	my $current = $Coro::current;
3587	(
3588	sub {
3589	$status = $!;
3590	$current->ready; undef $current;
3591	},
3592	sub {
3593	Coro::schedule while defined $current;
3594	$! = $status;
3595	},
3596	)
3597	};
3598		4162
3599	unless ($DB_ENV) {	4163	unless ($DB_ENV) {
3600	$DB_ENV = BDB::db_env_create;	4164	$DB_ENV = BDB::db_env_create;
3601	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4165	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3602	| 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;
3603	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4168	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3604	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4169	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3605		4170
3606	cf::sync_job {	4171	cf::sync_job {
3607	eval {	4172	eval {
…		…
3617		4182
3618	cf::cleanup "db_env_open(db): $@" if $@;	4183	cf::cleanup "db_env_open(db): $@" if $@;
3619	};	4184	};
3620	}	4185	}
3621		4186
3622	$BDB_DEADLOCK_WATCHER = Event->timer (	4187	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3623	after => 3,
3624	interval => 1,
3625	hard => 1,
3626	prio => 0,
3627	data => WF_AUTOCANCEL,
3628	cb => sub {
3629	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 { };
3630	},
3631	);	4189	};
3632	$BDB_CHECKPOINT_WATCHER = Event->timer (	4190	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3633	after => 11,
3634	interval => 60,
3635	hard => 1,
3636	prio => 0,
3637	data => WF_AUTOCANCEL,
3638	cb => sub {
3639	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4191	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3640	},
3641	);	4192	};
3642	$BDB_TRICKLE_WATCHER = Event->timer (	4193	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3643	after => 5,
3644	interval => 10,
3645	hard => 1,
3646	prio => 0,
3647	data => WF_AUTOCANCEL,
3648	cb => sub {
3649	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4194	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3650	},
3651	);	4195	};
3652	}	4196	}
3653		4197
3654	{	4198	{
		4199	# configure IO::AIO
		4200
3655	IO::AIO::min_parallel 8;	4201	IO::AIO::min_parallel 8;
3656
3657	undef $Coro::AIO::WATCHER;
3658	IO::AIO::max_poll_time $TICK * 0.1;	4202	IO::AIO::max_poll_time $TICK * 0.1;
3659	$AIO_POLL_WATCHER = Event->io (	4203	undef $AnyEvent::AIO::WATCHER;
3660	reentrant => 0,
3661	data => WF_AUTOCANCEL,
3662	fd => IO::AIO::poll_fileno,
3663	poll => 'r',
3664	prio => 0,
3665	cb => \&IO::AIO::poll_cb,
3666	);
3667	}	4204	}
3668		4205
3669	my $_log_backtrace;	4206	our $_log_backtrace;
		4207	our $_log_backtrace_last;
3670		4208
3671	sub _log_backtrace {	4209	sub _log_backtrace {
3672	my ($msg, @addr) = @_;	4210	my ($msg, @addr) = @_;
3673		4211
3674	$msg =~ s/\n//;	4212	$msg =~ s/\n$//;
3675		4213
		4214	if ($_log_backtrace_last eq $msg) {
		4215	LOG llevInfo, "[ABT] $msg\n";
		4216	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3676	# limit the # of concurrent backtraces	4217	# limit the # of concurrent backtraces
3677	if ($_log_backtrace < 2) {	4218	} elsif ($_log_backtrace < 2) {
		4219	$_log_backtrace_last = $msg;
3678	++$_log_backtrace;	4220	++$_log_backtrace;
		4221	my $perl_bt = Carp::longmess $msg;
3679	async {	4222	async {
3680	$Coro::current->{desc} = "abt $msg";	4223	$Coro::current->{desc} = "abt $msg";
3681		4224
3682	my @bt = fork_call {	4225	my @bt = fork_call {
3683	@addr = map { sprintf "%x", $_ } @addr;	4226	@addr = map { sprintf "%x", $_ } @addr;
…		…
3694	}	4237	}
3695		4238
3696	@funcs	4239	@funcs
3697	};	4240	};
3698		4241
3699	LOG llevInfo, "[ABT] $msg\n";	4242	LOG llevInfo, "[ABT] $perl_bt\n";
		4243	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3700	LOG llevInfo, "[ABT] $_\n" for @bt;	4244	LOG llevInfo, "[ABT] $_\n" for @bt;
3701	--$_log_backtrace;	4245	--$_log_backtrace;
3702	};	4246	};
3703	} else {	4247	} else {
3704	LOG llevInfo, "[ABT] $msg\n";	4248	LOG llevInfo, "[ABT] $msg\n";
3705	LOG llevInfo, "[ABT] [suppressed]\n";	4249	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3706	}	4250	}
3707	}	4251	}
3708		4252
3709	# load additional modules	4253	# load additional modules
3710	use cf::pod;	4254	require "cf/$_.pm" for @EXTRA_MODULES;
		4255	cf::_connect_to_perl_2;
3711		4256
3712	END { cf::emergency_save }	4257	END { cf::emergency_save }
3713		4258
3714	1	4259	1
3715		4260

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