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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.378 by root, Thu Oct 4 11:36:54 2007 UTC vs.
Revision 1.565 by root, Sat Apr 30 05:41:17 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.64 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
24	use Coro::Util ();	51	use Coro::Util ();
25		52
26	use JSON::XS ();	53	use JSON::XS 2.01 ();
27	use BDB ();	54	use BDB ();
28	use Data::Dumper;	55	use Data::Dumper;
29	use Digest::MD5;
30	use Fcntl;	56	use Fcntl;
31	use YAML::Syck ();	57	use YAML::XS ();
32	use IO::AIO 2.32 ();	58	use IO::AIO ();
33	use Time::HiRes;	59	use Time::HiRes;
34	use Compress::LZF;	60	use Compress::LZF;
35	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
36		64
37	# configure various modules to our taste	65	# configure various modules to our taste
38	#	66	#
39	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42		75
43	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
44		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		78
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
51		82
52	our %COMMAND = ();	83	our %COMMAND = ();
53	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
54		85
55	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
56	our %EXTCMD = ();	87	our %EXTCMD = ();
57	our %EXTICMD = ();	88	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
60		91
61	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
63		96
64	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
65	our $DATADIR = datadir;	99	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
69	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
75		120
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	123	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
83		125
84	our $BDB_POLL_WATCHER;
85	our $BDB_DEADLOCK_WATCHER;	126	our $BDB_DEADLOCK_WATCHER;
86	our $BDB_CHECKPOINT_WATCHER;	127	our $BDB_CHECKPOINT_WATCHER;
87	our $BDB_TRICKLE_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
88	our $DB_ENV;	129	our $DB_ENV;
89		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		132
90	our %CFG;	133	our %CFG;
91		134
92	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
93	our $RUNTIME;	136	our $RUNTIME;
		137	our $NOW;
94		138
95	our (%PLAYER, %PLAYER_LOADING); # all users	139	our (%PLAYER, %PLAYER_LOADING); # all users
96	our (%MAP, %MAP_LOADING ); # all maps	140	our (%MAP, %MAP_LOADING ); # all maps
97	our $LINK_MAP; # the special {link} map, which is always available	141	our $LINK_MAP; # the special {link} map, which is always available
98		142
99	# used to convert map paths into valid unix filenames by replacing / by ∕	143	# used to convert map paths into valid unix filenames by replacing / by ∕
100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	144	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
101		145
102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	146	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
103	our $LOADAVG; # same thing, but with alpha-smoothing	147	our $LOADAVG; # same thing, but with alpha-smoothing
		148	our $JITTER; # average jitter
104	our $tick_start; # for load detecting purposes	149	our $TICK_START; # for load detecting purposes
		150
		151	our @POST_INIT;
		152
		153	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		154	our $REALLY_UNLOOP; # never set to true, please :)
105		155
106	binmode STDOUT;	156	binmode STDOUT;
107	binmode STDERR;	157	binmode STDERR;
108		158
109	# read virtual server time, if available	159	# read virtual server time, if available
110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	160	unless ($RUNTIME || !-e $RUNTIMEFILE) {
111	open my $fh, "<", "$LOCALDIR/runtime"	161	open my $fh, "<", $RUNTIMEFILE
112	or die "unable to read runtime file: $!";	162	or die "unable to read $RUNTIMEFILE file: $!";
113	$RUNTIME = <$fh> + 0.;	163	$RUNTIME = <$fh> + 0.;
114	}	164	}
		165
		166	eval "sub TICK() { $TICK } 1" or die;
115		167
116	mkdir $_	168	mkdir $_
117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	169	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
118		170
119	our $EMERGENCY_POSITION;	171	our $EMERGENCY_POSITION;
120		172
121	sub cf::map::normalise;	173	sub cf::map::normalise;
		174
		175	sub in_main() {
		176	$Coro::current == $Coro::main
		177	}
		178
		179	#############################################################################
		180
		181	%REFLECT = ();
		182	for (@REFLECT) {
		183	my $reflect = JSON::XS::decode_json $_;
		184	$REFLECT{$reflect->{class}} = $reflect;
		185	}
		186
		187	# this is decidedly evil
		188	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
122		189
123	#############################################################################	190	#############################################################################
124		191
125	=head2 GLOBAL VARIABLES	192	=head2 GLOBAL VARIABLES
126		193
…		…
162		229
163	The raw value load value from the last tick.	230	The raw value load value from the last tick.
164		231
165	=item %cf::CFG	232	=item %cf::CFG
166		233
167	Configuration for the server, loaded from C</etc/crossfire/config>, or	234	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
168	from wherever your confdir points to.	235	from wherever your confdir points to.
169		236
170	=item cf::wait_for_tick, cf::wait_for_tick_begin	237	=item cf::wait_for_tick, cf::wait_for_tick_begin
171		238
172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	239	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
173	returns directly I<after> the tick processing (and consequently, can only wake one process	240	returns directly I<after> the tick processing (and consequently, can only wake one thread
174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	241	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
175		242
		243	=cut
		244
		245	sub wait_for_tick();
		246	sub wait_for_tick_begin();
		247
176	=item @cf::INVOKE_RESULTS	248	=item @cf::INVOKE_RESULTS
177		249
178	This array contains the results of the last C<invoke ()> call. When	250	This array contains the results of the last C<invoke ()> call. When
179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	251	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
180	that call.	252	that call.
181		253
		254	=item %cf::REFLECT
		255
		256	Contains, for each (C++) class name, a hash reference with information
		257	about object members (methods, scalars, arrays and flags) and other
		258	metadata, which is useful for introspection.
		259
182	=back	260	=back
183		261
184	=cut	262	=cut
185		263
186	BEGIN {	264	sub error(@) { LOG llevError, join "", @_ }
187	*CORE::GLOBAL::warn = sub {	265	sub warn (@) { LOG llevWarn , join "", @_ }
		266	sub info (@) { LOG llevInfo , join "", @_ }
		267	sub debug(@) { LOG llevDebug, join "", @_ }
		268	sub trace(@) { LOG llevTrace, join "", @_ }
		269
		270	$Coro::State::WARNHOOK = sub {
188	my $msg = join "", @_;	271	my $msg = join "", @_;
189		272
190	$msg .= "\n"	273	$msg .= "\n"
191	unless $msg =~ /\n$/;	274	unless $msg =~ /\n$/;
192		275
193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	276	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
194		277
195	LOG llevError, $msg;	278	LOG llevWarn, $msg;
196	};	279	};
197	}	280
		281	$Coro::State::DIEHOOK = sub {
		282	return unless $^S eq 0; # "eq", not "=="
		283
		284	error Carp::longmess $_[0];
		285
		286	if (in_main) {#d#
		287	error "DIEHOOK called in main context, Coro bug?\n";#d#
		288	return;#d#
		289	}#d#
		290
		291	# kill coroutine otherwise
		292	Coro::terminate
		293	};
198		294
199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	295	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	296	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	297	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	298	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
209	for my $pkg (qw(	305	for my $pkg (qw(
210	cf::global cf::attachable	306	cf::global cf::attachable
211	cf::object cf::object::player	307	cf::object cf::object::player
212	cf::client cf::player	308	cf::client cf::player
213	cf::arch cf::living	309	cf::arch cf::living
		310	cf::map cf::mapspace
214	cf::map cf::party cf::region	311	cf::party cf::region
215	)) {	312	)) {
216	no strict 'refs';
217	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	313	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
218	}	314	}
219		315
220	$Event::DIED = sub {	316	$EV::DIED = sub {
221	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
222	};	318	};
		319
		320	#############################################################################
		321
		322	sub fork_call(&@);
		323	sub get_slot($;$$);
223		324
224	#############################################################################	325	#############################################################################
225		326
226	=head2 UTILITY FUNCTIONS	327	=head2 UTILITY FUNCTIONS
227		328
…		…
248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	349	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
249	$d	350	$d
250	} || "[unable to dump $_[0]: '$@']";	351	} || "[unable to dump $_[0]: '$@']";
251	}	352	}
252		353
		354	=item $scalar = load_file $path
		355
		356	Loads the given file from path and returns its contents. Croaks on error
		357	and can block.
		358
		359	=cut
		360
		361	sub load_file($) {
		362	0 <= aio_load $_[0], my $data
		363	or Carp::croak "$_[0]: $!";
		364
		365	$data
		366	}
		367
253	=item $ref = cf::from_json $json	368	=item $ref = cf::decode_json $json
254		369
255	Converts a JSON string into the corresponding perl data structure.	370	Converts a JSON string into the corresponding perl data structure.
256		371
257	=item $json = cf::to_json $ref	372	=item $json = cf::encode_json $ref
258		373
259	Converts a perl data structure into its JSON representation.	374	Converts a perl data structure into its JSON representation.
260		375
261	=cut	376	=cut
262		377
263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	378	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
264		379
265	sub to_json ($) { $json_coder->encode ($_[0]) }	380	sub encode_json($) { $json_coder->encode ($_[0]) }
266	sub from_json ($) { $json_coder->decode ($_[0]) }	381	sub decode_json($) { $json_coder->decode ($_[0]) }
		382
		383	=item $ref = cf::decode_storable $scalar
		384
		385	Same as Coro::Storable::thaw, so blocks.
		386
		387	=cut
		388
		389	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		390
		391	=item $ref = cf::decode_yaml $scalar
		392
		393	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		394
		395	=cut
		396
		397	sub decode_yaml($) {
		398	fork_call { YAML::XS::Load $_[0] } @_
		399	}
		400
		401	=item $scalar = cf::unlzf $scalar
		402
		403	Same as Compress::LZF::compress, but takes server ticks into account, so
		404	blocks.
		405
		406	=cut
		407
		408	sub unlzf($) {
		409	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		410	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		411	Compress::LZF::decompress $_[0]
		412	}
		413
		414	=item cf::post_init { BLOCK }
		415
		416	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		417	but I<before> the server starts ticking again.
		418
		419	The codeblock will have a single boolean argument to indicate whether this
		420	is a reload or not.
		421
		422	=cut
		423
		424	sub post_init(&) {
		425	push @POST_INIT, shift;
		426	}
		427
		428	sub _post_init {
		429	trace "running post_init jobs";
		430
		431	# run them in parallel...
		432
		433	my @join;
		434
		435	while () {
		436	push @join, map &Coro::async ($_, 0), @POST_INIT;
		437	@POST_INIT = ();
		438
		439	@join or last;
		440
		441	(pop @join)->join;
		442	}
		443	}
267		444
268	=item cf::lock_wait $string	445	=item cf::lock_wait $string
269		446
270	Wait until the given lock is available. See cf::lock_acquire.	447	Wait until the given lock is available. See cf::lock_acquire.
271		448
272	=item my $lock = cf::lock_acquire $string	449	=item my $lock = cf::lock_acquire $string
273		450
274	Wait until the given lock is available and then acquires it and returns	451	Wait until the given lock is available and then acquires it and returns
275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	452	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
276	for example when the coroutine gets canceled), the lock is automatically	453	for example when the coroutine gets canceled), the lock is automatically
277	returned.	454	returned.
278		455
279	Locks are *not* recursive, locking from the same coro twice results in a	456	Locks are *not* recursive, locking from the same coro twice results in a
280	deadlocked coro.	457	deadlocked coro.
…		…
286		463
287	Return true if the lock is currently active, i.e. somebody has locked it.	464	Return true if the lock is currently active, i.e. somebody has locked it.
288		465
289	=cut	466	=cut
290		467
291	our %LOCK;	468	our $LOCKS = new Coro::SemaphoreSet;
292	our %LOCKER;#d#
293		469
294	sub lock_wait($) {	470	sub lock_wait($) {
295	my ($key) = @_;	471	$LOCKS->wait ($_[0]);
296
297	if ($LOCKER{$key} == $Coro::current) {#d#
298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
299	return;#d#
300	}#d#
301
302	# wait for lock, if any
303	while ($LOCK{$key}) {
304	push @{ $LOCK{$key} }, $Coro::current;
305	Coro::schedule;
306	}
307	}	472	}
308		473
309	sub lock_acquire($) {	474	sub lock_acquire($) {
310	my ($key) = @_;	475	$LOCKS->guard ($_[0])
311
312	# wait, to be sure we are not locked
313	lock_wait $key;
314
315	$LOCK{$key} = [];
316	$LOCKER{$key} = $Coro::current;#d#
317
318	Coro::guard {
319	delete $LOCKER{$key};#d#
320	# wake up all waiters, to be on the safe side
321	$_->ready for @{ delete $LOCK{$key} };
322	}
323	}	476	}
324		477
325	sub lock_active($) {	478	sub lock_active($) {
326	my ($key) = @_;	479	$LOCKS->count ($_[0]) < 1
327
328	! ! $LOCK{$key}
329	}	480	}
330		481
331	sub freeze_mainloop {	482	sub freeze_mainloop {
332	return unless $TICK_WATCHER->is_active;	483	tick_inhibit_inc;
333		484
334	my $guard = Coro::guard {	485	&Guard::guard (\&tick_inhibit_dec);
335	$TICK_WATCHER->start;	486	}
336	};	487
337	$TICK_WATCHER->stop;	488	=item cf::periodic $interval, $cb
338	$guard	489
		490	Like EV::periodic, but randomly selects a starting point so that the actions
		491	get spread over time.
		492
		493	=cut
		494
		495	sub periodic($$) {
		496	my ($interval, $cb) = @_;
		497
		498	my $start = rand List::Util::min 180, $interval;
		499
		500	EV::periodic $start, $interval, 0, $cb
339	}	501	}
340		502
341	=item cf::get_slot $time[, $priority[, $name]]	503	=item cf::get_slot $time[, $priority[, $name]]
342		504
343	Allocate $time seconds of blocking CPU time at priority C<$priority>:	505	Allocate $time seconds of blocking CPU time at priority C<$priority>
344	This call blocks and returns only when you have at least C<$time> seconds	506	(default: 0): This call blocks and returns only when you have at least
345	of cpu time till the next tick. The slot is only valid till the next cede.	507	C<$time> seconds of cpu time till the next tick. The slot is only valid
		508	till the next cede.
		509
		510	Background jobs should use a priority les than zero, interactive jobs
		511	should use 100 or more.
346		512
347	The optional C<$name> can be used to identify the job to run. It might be	513	The optional C<$name> can be used to identify the job to run. It might be
348	used for statistical purposes and should identify the same time-class.	514	used for statistical purposes and should identify the same time-class.
349		515
350	Useful for short background jobs.	516	Useful for short background jobs.
351		517
352	=cut	518	=cut
353		519
354	our @SLOT_QUEUE;	520	our @SLOT_QUEUE;
355	our $SLOT_QUEUE;	521	our $SLOT_QUEUE;
		522	our $SLOT_DECAY = 0.9;
356		523
357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	524	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
358	$SLOT_QUEUE = Coro::async {	525	$SLOT_QUEUE = Coro::async {
359	$Coro::current->desc ("timeslot manager");	526	$Coro::current->desc ("timeslot manager");
360		527
361	my $signal = new Coro::Signal;	528	my $signal = new Coro::Signal;
		529	my $busy;
362		530
363	while () {	531	while () {
364	next_job:	532	next_job:
		533
365	my $avail = cf::till_tick;	534	my $avail = cf::till_tick;
366	if ($avail > 0.01) {	535
367	for (0 .. $#SLOT_QUEUE) {	536	for (0 .. $#SLOT_QUEUE) {
368	if ($SLOT_QUEUE[$_][0] < $avail) {	537	if ($SLOT_QUEUE[$_][0] <= $avail) {
		538	$busy = 0;
369	my $job = splice @SLOT_QUEUE, $_, 1, ();	539	my $job = splice @SLOT_QUEUE, $_, 1, ();
370	$job->[2]->send;	540	$job->[2]->send;
371	Coro::cede;	541	Coro::cede;
372	goto next_job;	542	goto next_job;
373	}	543	} else {
		544	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
374	}	545	}
375	}	546	}
376		547
377	if (@SLOT_QUEUE) {	548	if (@SLOT_QUEUE) {
378	# we do not use wait_For_tick() as it returns immediately when tick is inactive	549	# we do not use wait_for_tick() as it returns immediately when tick is inactive
379	push @cf::WAIT_FOR_TICK, $signal;	550	push @cf::WAIT_FOR_TICK, $signal;
380	$signal->wait;	551	$signal->wait;
381	} else {	552	} else {
		553	$busy = 0;
382	Coro::schedule;	554	Coro::schedule;
383	}	555	}
384	}	556	}
385	};	557	};
386		558
387	sub get_slot($;$$) {	559	sub get_slot($;$$) {
		560	return if tick_inhibit || $Coro::current == $Coro::main;
		561
388	my ($time, $pri, $name) = @_;	562	my ($time, $pri, $name) = @_;
389		563
390	$time = $TICK * .6 if $time > $TICK * .6;	564	$time = clamp $time, 0.01, $TICK * .6;
		565
391	my $sig = new Coro::Signal;	566	my $sig = new Coro::Signal;
392		567
393	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	568	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
394	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	569	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
395	$SLOT_QUEUE->ready;	570	$SLOT_QUEUE->ready;
…		…
406		581
407	BEGIN { *async = \&Coro::async_pool }	582	BEGIN { *async = \&Coro::async_pool }
408		583
409	=item cf::sync_job { BLOCK }	584	=item cf::sync_job { BLOCK }
410		585
411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	586	The design of Deliantra requires that the main coroutine ($Coro::main)
412	is always able to handle events or runnable, as Crossfire TRT is only	587	is always able to handle events or runnable, as Deliantra is only
413	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	588	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
414	acceptable.	589	acceptable.
415		590
416	If it must be done, put the blocking parts into C<sync_job>. This will run	591	If it must be done, put the blocking parts into C<sync_job>. This will run
417	the given BLOCK in another coroutine while waiting for the result. The	592	the given BLOCK in another coroutine while waiting for the result. The
…		…
421	=cut	596	=cut
422		597
423	sub sync_job(&) {	598	sub sync_job(&) {
424	my ($job) = @_;	599	my ($job) = @_;
425		600
426	if ($Coro::current == $Coro::main) {	601	if (in_main) {
427	my $time = Event::time;	602	my $time = AE::time;
428		603
429	# this is the main coro, too bad, we have to block	604	# this is the main coro, too bad, we have to block
430	# till the operation succeeds, freezing the server :/	605	# till the operation succeeds, freezing the server :/
431		606
432	# TODO: use suspend/resume instead	607	#LOG llevError, Carp::longmess "sync job";#d#
433	# (but this is cancel-safe)	608
434	my $freeze_guard = freeze_mainloop;	609	my $freeze_guard = freeze_mainloop;
435		610
436	my $busy = 1;	611	my $busy = 1;
437	my @res;	612	my @res;
438		613
439	(async {	614	(async {
440	$Coro::current->desc ("sync job coro");	615	$Coro::current->desc ("sync job coro");
441	@res = eval { $job->() };	616	@res = eval { $job->() };
442	warn $@ if $@;	617	error $@ if $@;
443	undef $busy;	618	undef $busy;
444	})->prio (Coro::PRIO_MAX);	619	})->prio (Coro::PRIO_MAX);
445		620
446	while ($busy) {	621	while ($busy) {
447	Coro::cede or Event::one_event;	622	if (Coro::nready) {
		623	Coro::cede_notself;
		624	} else {
		625	EV::loop EV::LOOP_ONESHOT;
448	}	626	}
		627	}
449		628
450	$time = Event::time - $time;	629	my $time = AE::time - $time;
451		630
452	LOG llevError | logBacktrace, Carp::longmess "long sync job"
453	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
454
455	$tick_start += $time; # do not account sync jobs to server load	631	$TICK_START += $time; # do not account sync jobs to server load
456		632
457	wantarray ? @res : $res[0]	633	wantarray ? @res : $res[0]
458	} else {	634	} else {
459	# we are in another coroutine, how wonderful, everything just works	635	# we are in another coroutine, how wonderful, everything just works
460		636
…		…
480	$EXT_CORO{$coro+0} = $coro;	656	$EXT_CORO{$coro+0} = $coro;
481		657
482	$coro	658	$coro
483	}	659	}
484		660
485	=item fork_call { }, $args	661	=item fork_call { }, @args
486		662
487	Executes the given code block with the given arguments in a seperate	663	Executes the given code block with the given arguments in a seperate
488	process, returning the results. Everything must be serialisable with	664	process, returning the results. Everything must be serialisable with
489	Coro::Storable. May, of course, block. Note that the executed sub may	665	Coro::Storable. May, of course, block. Note that the executed sub may
490	never block itself or use any form of Event handling.	666	never block itself or use any form of event handling.
491		667
492	=cut	668	=cut
		669
		670	sub post_fork {
		671	reset_signals;
		672	}
493		673
494	sub fork_call(&@) {	674	sub fork_call(&@) {
495	my ($cb, @args) = @_;	675	my ($cb, @args) = @_;
496		676
497	# we seemingly have to make a local copy of the whole thing,	677	# we seemingly have to make a local copy of the whole thing,
498	# otherwise perl prematurely frees the stuff :/	678	# otherwise perl prematurely frees the stuff :/
499	# TODO: investigate and fix (likely this will be rather laborious)	679	# TODO: investigate and fix (likely this will be rather laborious)
500		680
501	my @res = Coro::Util::fork_eval {	681	my @res = Coro::Util::fork_eval {
502	reset_signals;	682	cf::post_fork;
503	&$cb	683	&$cb
504	}, @args;	684	} @args;
505		685
506	wantarray ? @res : $res[-1]	686	wantarray ? @res : $res[-1]
		687	}
		688
		689	sub objinfo {
		690	(
		691	"counter value" => cf::object::object_count,
		692	"objects created" => cf::object::create_count,
		693	"objects destroyed" => cf::object::destroy_count,
		694	"freelist size" => cf::object::free_count,
		695	"allocated objects" => cf::object::objects_size,
		696	"active objects" => cf::object::actives_size,
		697	)
		698	}
		699
		700	=item $coin = coin_from_name $name
		701
		702	=cut
		703
		704	our %coin_alias = (
		705	"silver" => "silvercoin",
		706	"silvercoin" => "silvercoin",
		707	"silvercoins" => "silvercoin",
		708	"gold" => "goldcoin",
		709	"goldcoin" => "goldcoin",
		710	"goldcoins" => "goldcoin",
		711	"platinum" => "platinacoin",
		712	"platinumcoin" => "platinacoin",
		713	"platinumcoins" => "platinacoin",
		714	"platina" => "platinacoin",
		715	"platinacoin" => "platinacoin",
		716	"platinacoins" => "platinacoin",
		717	"royalty" => "royalty",
		718	"royalties" => "royalty",
		719	);
		720
		721	sub coin_from_name($) {
		722	$coin_alias{$_[0]}
		723	? cf::arch::find $coin_alias{$_[0]}
		724	: undef
507	}	725	}
508		726
509	=item $value = cf::db_get $family => $key	727	=item $value = cf::db_get $family => $key
510		728
511	Returns a single value from the environment database.	729	Returns a single value from the environment database.
…		…
521	within each server.	739	within each server.
522		740
523	=cut	741	=cut
524		742
525	sub db_table($) {	743	sub db_table($) {
		744	cf::error "db_get called from main context"
		745	if $Coro::current == $Coro::main;
		746
526	my ($name) = @_;	747	my ($name) = @_;
527	my $db = BDB::db_create $DB_ENV;	748	my $db = BDB::db_create $DB_ENV;
528		749
529	eval {	750	eval {
530	$db->set_flags (BDB::CHKSUM);	751	$db->set_flags (BDB::CHKSUM);
…		…
540	}	761	}
541		762
542	our $DB;	763	our $DB;
543		764
544	sub db_init {	765	sub db_init {
545	cf::sync_job {
546	$DB ||= db_table "db";	766	$DB ||= db_table "db";
547	};
548	}	767	}
549		768
550	sub db_get($$) {	769	sub db_get($$) {
551	my $key = "$_[0]/$_[1]";	770	my $key = "$_[0]/$_[1]";
552		771
553	cf::sync_job {	772	cf::error "db_get called from main context"
		773	if $Coro::current == $Coro::main;
		774
554	BDB::db_get $DB, undef, $key, my $data;	775	BDB::db_get $DB, undef, $key, my $data;
555		776
556	$! ? ()	777	$! ? ()
557	: $data	778	: $data
558	}
559	}	779	}
560		780
561	sub db_put($$$) {	781	sub db_put($$$) {
562	BDB::dbreq_pri 4;	782	BDB::dbreq_pri 4;
563	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	783	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
591		811
592	my @data;	812	my @data;
593	my $md5;	813	my $md5;
594		814
595	for (0 .. $#$src) {	815	for (0 .. $#$src) {
596	0 <= aio_load $src->[$_], $data[$_]	816	$data[$_] = load_file $src->[$_];
597	or Carp::croak "$src->[$_]: $!";
598	}	817	}
599		818
600	# if processing is expensive, check	819	# if processing is expensive, check
601	# checksum first	820	# checksum first
602	if (1) {	821	if (1) {
…		…
619		838
620	my $t1 = Time::HiRes::time;	839	my $t1 = Time::HiRes::time;
621	my $data = $process->(\@data);	840	my $data = $process->(\@data);
622	my $t2 = Time::HiRes::time;	841	my $t2 = Time::HiRes::time;
623		842
624	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	843	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
625		844
626	db_put cache => "$id/data", $data;	845	db_put cache => "$id/data", $data;
627	db_put cache => "$id/md5" , $md5;	846	db_put cache => "$id/md5" , $md5;
628	db_put cache => "$id/meta", $meta;	847	db_put cache => "$id/meta", $meta;
629		848
…		…
639		858
640	=cut	859	=cut
641		860
642	sub datalog($@) {	861	sub datalog($@) {
643	my ($type, %kv) = @_;	862	my ($type, %kv) = @_;
644	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	863	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
645	}	864	}
646		865
647	=back	866	=back
648		867
649	=cut	868	=cut
650		869
651	#############################################################################	870	#############################################################################
652		871
653	=head2 ATTACHABLE OBJECTS	872	=head2 ATTACHABLE OBJECTS
654		873
655	Many objects in crossfire are so-called attachable objects. That means you can	874	Many objects in deliantra are so-called attachable objects. That means you can
656	attach callbacks/event handlers (a collection of which is called an "attachment")	875	attach callbacks/event handlers (a collection of which is called an "attachment")
657	to it. All such attachable objects support the following methods.	876	to it. All such attachable objects support the following methods.
658		877
659	In the following description, CLASS can be any of C<global>, C<object>	878	In the following description, CLASS can be any of C<global>, C<object>
660	C<player>, C<client> or C<map> (i.e. the attachable objects in	879	C<player>, C<client> or C<map> (i.e. the attachable objects in
661	Crossfire TRT).	880	Deliantra).
662		881
663	=over 4	882	=over 4
664		883
665	=item $attachable->attach ($attachment, key => $value...)	884	=item $attachable->attach ($attachment, key => $value...)
666		885
…		…
710	=item cf::CLASS::attachment $name, ...	929	=item cf::CLASS::attachment $name, ...
711		930
712	Register an attachment by C<$name> through which attachable objects of the	931	Register an attachment by C<$name> through which attachable objects of the
713	given CLASS can refer to this attachment.	932	given CLASS can refer to this attachment.
714		933
715	Some classes such as crossfire maps and objects can specify attachments	934	Some classes such as deliantra maps and objects can specify attachments
716	that are attached at load/instantiate time, thus the need for a name.	935	that are attached at load/instantiate time, thus the need for a name.
717		936
718	These calls expect any number of the following handler/hook descriptions:	937	These calls expect any number of the following handler/hook descriptions:
719		938
720	=over 4	939	=over 4
…		…
844		1063
845	} elsif (exists $cb_id{$type}) {	1064	} elsif (exists $cb_id{$type}) {
846	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1065	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
847		1066
848	} elsif (ref $type) {	1067	} elsif (ref $type) {
849	warn "attaching objects not supported, ignoring.\n";	1068	error "attaching objects not supported, ignoring.\n";
850		1069
851	} else {	1070	} else {
852	shift @arg;	1071	shift @arg;
853	warn "attach argument '$type' not supported, ignoring.\n";	1072	error "attach argument '$type' not supported, ignoring.\n";
854	}	1073	}
855	}	1074	}
856	}	1075	}
857		1076
858	sub _object_attach {	1077	sub _object_attach {
…		…
868	_attach $registry, $klass, @attach;	1087	_attach $registry, $klass, @attach;
869	}	1088	}
870		1089
871	$obj->{$name} = \%arg;	1090	$obj->{$name} = \%arg;
872	} else {	1091	} else {
873	warn "object uses attachment '$name' which is not available, postponing.\n";	1092	info "object uses attachment '$name' which is not available, postponing.\n";
874	}	1093	}
875		1094
876	$obj->{_attachment}{$name} = undef;	1095	$obj->{_attachment}{$name} = undef;
877	}	1096	}
878		1097
…		…
937		1156
938	for (@$callbacks) {	1157	for (@$callbacks) {
939	eval { &{$_->[1]} };	1158	eval { &{$_->[1]} };
940		1159
941	if ($@) {	1160	if ($@) {
942	warn "$@";
943	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1161	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
944	override;	1162	override;
945	}	1163	}
946		1164
947	return 1 if $override;	1165	return 1 if $override;
948	}	1166	}
949		1167
950	0	1168	0
951	}	1169	}
952		1170
953	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1171	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
954		1172
955	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1173	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
956		1174
957	Generate an object-specific event with the given arguments.	1175	Generate an object-specific event with the given arguments.
958		1176
…		…
964		1182
965	=cut	1183	=cut
966		1184
967	#############################################################################	1185	#############################################################################
968	# object support	1186	# object support
969	#
970		1187
		1188	sub _object_equal($$);
		1189	sub _object_equal($$) {
		1190	my ($a, $b) = @_;
		1191
		1192	return 0 unless (ref $a) eq (ref $b);
		1193
		1194	if ("HASH" eq ref $a) {
		1195	my @ka = keys %$a;
		1196	my @kb = keys %$b;
		1197
		1198	return 0 if @ka != @kb;
		1199
		1200	for (0 .. $#ka) {
		1201	return 0 unless $ka[$_] eq $kb[$_];
		1202	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1203	}
		1204
		1205	} elsif ("ARRAY" eq ref $a) {
		1206
		1207	return 0 if @$a != @$b;
		1208
		1209	for (0 .. $#$a) {
		1210	return 0 unless _object_equal $a->[$_], $b->[$_];
		1211	}
		1212
		1213	} elsif ($a ne $b) {
		1214	return 0;
		1215	}
		1216
		1217	1
		1218	}
		1219
		1220	our $SLOW_MERGES;#d#
971	sub _can_merge {	1221	sub _can_merge {
972	my ($ob1, $ob2) = @_;	1222	my ($ob1, $ob2) = @_;
973		1223
974	local $Storable::canonical = 1;	1224	++$SLOW_MERGES;#d#
975	my $fob1 = Storable::freeze $ob1;
976	my $fob2 = Storable::freeze $ob2;
977		1225
978	$fob1 eq $fob2	1226	# we do the slow way here
		1227	return _object_equal $ob1, $ob2
979	}	1228	}
980		1229
981	sub reattach {	1230	sub reattach {
982	# basically do the same as instantiate, without calling instantiate	1231	# basically do the same as instantiate, without calling instantiate
983	my ($obj) = @_;	1232	my ($obj) = @_;
984		1233
		1234	# no longer needed after getting rid of delete_package?
985	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1235	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
986		1236
987	my $registry = $obj->registry;	1237	my $registry = $obj->registry;
988		1238
989	@$registry = ();	1239	@$registry = ();
990		1240
…		…
995	for (@$attach) {	1245	for (@$attach) {
996	my ($klass, @attach) = @$_;	1246	my ($klass, @attach) = @$_;
997	_attach $registry, $klass, @attach;	1247	_attach $registry, $klass, @attach;
998	}	1248	}
999	} else {	1249	} else {
1000	warn "object uses attachment '$name' that is not available, postponing.\n";	1250	info "object uses attachment '$name' that is not available, postponing.\n";
1001	}	1251	}
1002	}	1252	}
1003	}	1253	}
1004		1254
1005	cf::attachable->attach (	1255	cf::attachable->attach (
1006	prio => -1000000,	1256	prio => -1000000,
1007	on_instantiate => sub {	1257	on_instantiate => sub {
1008	my ($obj, $data) = @_;	1258	my ($obj, $data) = @_;
1009		1259
1010	$data = from_json $data;	1260	$data = decode_json $data;
1011		1261
1012	for (@$data) {	1262	for (@$data) {
1013	my ($name, $args) = @$_;	1263	my ($name, $args) = @$_;
1014		1264
1015	$obj->attach ($name, %{$args || {} });	1265	$obj->attach ($name, %{$args || {} });
…		…
1032	my ($filename, $rdata, $objs) = @_;	1282	my ($filename, $rdata, $objs) = @_;
1033		1283
1034	sync_job {	1284	sync_job {
1035	if (length $$rdata) {	1285	if (length $$rdata) {
1036	utf8::decode (my $decname = $filename);	1286	utf8::decode (my $decname = $filename);
1037	warn sprintf "saving %s (%d,%d)\n",	1287	trace sprintf "saving %s (%d,%d)\n",
1038	$decname, length $$rdata, scalar @$objs;	1288	$decname, length $$rdata, scalar @$objs
		1289	if $VERBOSE_IO;
1039		1290
1040	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1291	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1041	chmod SAVE_MODE, $fh;	1292	aio_chmod $fh, SAVE_MODE;
1042	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1293	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1043	aio_fsync $fh if $cf::USE_FSYNC;	1294	if ($cf::USE_FSYNC) {
		1295	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1296	aio_fsync $fh;
		1297	}
1044	close $fh;	1298	aio_close $fh;
1045		1299
1046	if (@$objs) {	1300	if (@$objs) {
1047	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1301	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1048	chmod SAVE_MODE, $fh;	1302	aio_chmod $fh, SAVE_MODE;
1049	my $data = Storable::nfreeze { version => 1, objs => $objs };	1303	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1050	aio_write $fh, 0, (length $data), $data, 0;	1304	aio_write $fh, 0, (length $data), $data, 0;
1051	aio_fsync $fh if $cf::USE_FSYNC;	1305	if ($cf::USE_FSYNC) {
		1306	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1307	aio_fsync $fh;
		1308	}
1052	close $fh;	1309	aio_close $fh;
1053	aio_rename "$filename.pst~", "$filename.pst";	1310	aio_rename "$filename.pst~", "$filename.pst";
1054	}	1311	}
1055	} else {	1312	} else {
1056	aio_unlink "$filename.pst";	1313	aio_unlink "$filename.pst";
1057	}	1314	}
1058		1315
1059	aio_rename "$filename~", $filename;	1316	aio_rename "$filename~", $filename;
		1317
		1318	$filename =~ s%/[^/]+$%%;
		1319	aio_pathsync $filename if $cf::USE_FSYNC;
1060	} else {	1320	} else {
1061	warn "FATAL: $filename~: $!\n";	1321	error "unable to save objects: $filename~: $!\n";
1062	}	1322	}
1063	} else {	1323	} else {
1064	aio_unlink $filename;	1324	aio_unlink $filename;
1065	aio_unlink "$filename.pst";	1325	aio_unlink "$filename.pst";
1066	}	1326	}
…		…
1085		1345
1086	unless (aio_stat "$filename.pst") {	1346	unless (aio_stat "$filename.pst") {
1087	(aio_load "$filename.pst", $av) >= 0	1347	(aio_load "$filename.pst", $av) >= 0
1088	or return;	1348	or return;
1089		1349
1090	$av = eval { (Storable::thaw $av)->{objs} };	1350	my $st = eval { Coro::Storable::thaw $av };
		1351	$av = $st->{objs};
1091	}	1352	}
1092		1353
1093	utf8::decode (my $decname = $filename);	1354	utf8::decode (my $decname = $filename);
1094	warn sprintf "loading %s (%d,%d)\n",	1355	trace sprintf "loading %s (%d,%d)\n",
1095	$decname, length $data, scalar @{$av || []};	1356	$decname, length $data, scalar @{$av || []}
		1357	if $VERBOSE_IO;
1096		1358
1097	($data, $av)	1359	($data, $av)
1098	}	1360	}
1099		1361
1100	=head2 COMMAND CALLBACKS	1362	=head2 COMMAND CALLBACKS
…		…
1156	my ($name, $cb) = @_;	1418	my ($name, $cb) = @_;
1157		1419
1158	$EXTICMD{$name} = $cb;	1420	$EXTICMD{$name} = $cb;
1159	}	1421	}
1160		1422
		1423	use File::Glob ();
		1424
1161	cf::player->attach (	1425	cf::player->attach (
1162	on_command => sub {	1426	on_unknown_command => sub {
1163	my ($pl, $name, $params) = @_;	1427	my ($pl, $name, $params) = @_;
1164		1428
1165	my $cb = $COMMAND{$name}	1429	my $cb = $COMMAND{$name}
1166	or return;	1430	or return;
1167		1431
…		…
1190		1454
1191	$pl->ext_reply ($reply, @reply)	1455	$pl->ext_reply ($reply, @reply)
1192	if $reply;	1456	if $reply;
1193		1457
1194	} else {	1458	} else {
1195	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1459	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1196	}	1460	}
1197		1461
1198	cf::override;	1462	cf::override;
1199	},	1463	},
1200	);	1464	);
1201		1465
		1466	# "readahead" all extensions
		1467	sub cache_extensions {
		1468	my $grp = IO::AIO::aio_group;
		1469
		1470	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1471	for (grep /\.ext$/, @{$_[0]}) {
		1472	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1473	}
		1474	};
		1475
		1476	$grp
		1477	}
		1478
1202	sub load_extensions {	1479	sub load_extensions {
		1480	info "loading extensions...";
		1481
1203	cf::sync_job {	1482	cf::sync_job {
1204	my %todo;	1483	my %todo;
1205		1484
1206	for my $path (<$LIBDIR/*.ext>) {	1485	for my $path (<$LIBDIR/*.ext>) {
1207	next unless -r $path;	1486	next unless -r $path;
…		…
1225		1504
1226	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1505	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1227	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1506	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1228		1507
1229	$ext{source} =	1508	$ext{source} =
1230	"package $pkg; use strict; use utf8;\n"	1509	"package $pkg; use common::sense;\n"
1231	. "#line 1 \"$path\"\n{\n"	1510	. "#line 1 \"$path\"\n{\n"
1232	. $source	1511	. $source
1233	. "\n};\n1";	1512	. "\n};\n1";
1234		1513
1235	$todo{$base} = \%ext;	1514	$todo{$base} = \%ext;
1236	}	1515	}
1237		1516
		1517	my $pass = 0;
1238	my %done;	1518	my %done;
1239	while (%todo) {	1519	while (%todo) {
1240	my $progress;	1520	my $progress;
1241		1521
		1522	++$pass;
		1523
		1524	ext:
1242	while (my ($k, $v) = each %todo) {	1525	while (my ($k, $v) = each %todo) {
1243	for (split /,\s*/, $v->{meta}{depends}) {	1526	for (split /,\s*/, $v->{meta}{depends}) {
1244	goto skip	1527	next ext
1245	unless exists $done{$_};	1528	unless exists $done{$_};
1246	}	1529	}
1247		1530
1248	warn "... loading '$k' into '$v->{pkg}'\n";	1531	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1249		1532
1250	unless (eval $v->{source}) {	1533	my $active = eval $v->{source};
		1534
		1535	if (length $@) {
1251	my $msg = $@ ? "$v->{path}: $@\n"	1536	error "$v->{path}: $@\n";
1252	: "$v->{base}: extension inactive.\n";
1253		1537
		1538	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1254	if (exists $v->{meta}{mandatory}) {	1539	if exists $v->{meta}{mandatory};
1255	warn $msg;	1540
1256	warn "mandatory extension failed to load, exiting.\n";	1541	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1257	exit 1;	1542	delete $todo{$k};
1258	}	1543	} else {
1259		1544	$done{$k} = delete $todo{$k};
1260	warn $msg;	1545	push @EXTS, $v->{pkg};
		1546	$progress = 1;
		1547
		1548	info "$v->{base}: extension inactive.\n"
		1549	unless $active;
1261	}	1550	}
1262
1263	$done{$k} = delete $todo{$k};
1264	push @EXTS, $v->{pkg};
1265	$progress = 1;
1266	}	1551	}
1267		1552
1268	skip:	1553	unless ($progress) {
1269	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1554	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1270	unless $progress;	1555
		1556	while (my ($k, $v) = each %todo) {
		1557	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1558	if exists $v->{meta}{mandatory};
		1559	}
		1560
		1561	last;
		1562	}
1271	}	1563	}
1272	};	1564	};
1273	}	1565	}
1274		1566
1275	#############################################################################	1567	#############################################################################
1276		1568
1277	=back	1569	=back
1278		1570
1279	=head2 CORE EXTENSIONS	1571	=head2 CORE EXTENSIONS
1280		1572
1281	Functions and methods that extend core crossfire objects.	1573	Functions and methods that extend core deliantra objects.
1282		1574
1283	=cut	1575	=cut
1284		1576
1285	package cf::player;	1577	package cf::player;
1286		1578
…		…
1329		1621
1330	sub exists($) {	1622	sub exists($) {
1331	my ($login) = @_;	1623	my ($login) = @_;
1332		1624
1333	$cf::PLAYER{$login}	1625	$cf::PLAYER{$login}
1334	or cf::sync_job { !aio_stat path $login }	1626	or !aio_stat path $login
1335	}	1627	}
1336		1628
1337	sub find($) {	1629	sub find($) {
1338	return $cf::PLAYER{$_[0]} || do {	1630	return $cf::PLAYER{$_[0]} || do {
1339	my $login = $_[0];	1631	my $login = $_[0];
…		…
1351	my $f = new_from_file cf::object::thawer path $login	1643	my $f = new_from_file cf::object::thawer path $login
1352	or return;	1644	or return;
1353		1645
1354	my $pl = cf::player::load_pl $f	1646	my $pl = cf::player::load_pl $f
1355	or return;	1647	or return;
		1648
1356	local $cf::PLAYER_LOADING{$login} = $pl;	1649	local $cf::PLAYER_LOADING{$login} = $pl;
1357	$f->resolve_delayed_derefs;	1650	$f->resolve_delayed_derefs;
1358	$cf::PLAYER{$login} = $pl	1651	$cf::PLAYER{$login} = $pl
1359	}	1652	}
1360	}	1653	}
1361	}	1654	}
1362		1655
		1656	cf::player->attach (
		1657	on_load => sub {
		1658	my ($pl, $path) = @_;
		1659
		1660	# restore slots saved in save, below
		1661	my $slots = delete $pl->{_slots};
		1662
		1663	$pl->ob->current_weapon ($slots->[0]);
		1664	$pl->combat_ob ($slots->[1]);
		1665	$pl->ranged_ob ($slots->[2]);
		1666	},
		1667	);
		1668
1363	sub save($) {	1669	sub save($) {
1364	my ($pl) = @_;	1670	my ($pl) = @_;
1365		1671
1366	return if $pl->{deny_save};	1672	return if $pl->{deny_save};
1367		1673
…		…
1370		1676
1371	return if $pl->{deny_save};	1677	return if $pl->{deny_save};
1372		1678
1373	aio_mkdir playerdir $pl, 0770;	1679	aio_mkdir playerdir $pl, 0770;
1374	$pl->{last_save} = $cf::RUNTIME;	1680	$pl->{last_save} = $cf::RUNTIME;
		1681
		1682	cf::get_slot 0.01;
		1683
		1684	# save slots, to be restored later
		1685	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1375		1686
1376	$pl->save_pl ($path);	1687	$pl->save_pl ($path);
1377	cf::cede_to_tick;	1688	cf::cede_to_tick;
1378	}	1689	}
1379		1690
…		…
1411	my ($pl) = @_;	1722	my ($pl) = @_;
1412		1723
1413	my $name = $pl->ob->name;	1724	my $name = $pl->ob->name;
1414		1725
1415	$pl->{deny_save} = 1;	1726	$pl->{deny_save} = 1;
1416	$pl->password ("*"); # this should lock out the player until we nuked the dir	1727	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1417		1728
1418	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1729	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1419	$pl->deactivate;	1730	$pl->deactivate;
		1731
		1732	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1420	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1733	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1734	ext::highscore::check ($pl->ob);
		1735
1421	$pl->ns->destroy if $pl->ns;	1736	$pl->ns->destroy if $pl->ns;
1422		1737
1423	my $path = playerdir $pl;	1738	my $path = playerdir $pl;
1424	my $temp = "$path~$cf::RUNTIME~deleting~";	1739	my $temp = "$path~$cf::RUNTIME~deleting~";
1425	aio_rename $path, $temp;	1740	aio_rename $path, $temp;
…		…
1463		1778
1464	for my $login (@$dirs) {	1779	for my $login (@$dirs) {
1465	my $path = path $login;	1780	my $path = path $login;
1466		1781
1467	# a .pst is a dead give-away for a valid player	1782	# a .pst is a dead give-away for a valid player
1468	unless (-e "$path.pst") {	1783	# if no pst file found, open and chekc for blocked users
		1784	if (aio_stat "$path.pst") {
1469	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1785	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1470	aio_read $fh, 0, 512, my $buf, 0 or next;	1786	aio_read $fh, 0, 512, my $buf, 0 or next;
1471	$buf !~ /^password -------------$/m or next; # official not-valid tag	1787	$buf !~ /^password -------------$/m or next; # official not-valid tag
1472	}	1788	}
1473		1789
…		…
1477		1793
1478	\@logins	1794	\@logins
1479	}	1795	}
1480		1796
1481	=item $player->maps	1797	=item $player->maps
		1798
		1799	=item cf::player::maps $login
1482		1800
1483	Returns an arrayref of map paths that are private for this	1801	Returns an arrayref of map paths that are private for this
1484	player. May block.	1802	player. May block.
1485		1803
1486	=cut	1804	=cut
…		…
1504	}	1822	}
1505		1823
1506	\@paths	1824	\@paths
1507	}	1825	}
1508		1826
1509	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1827	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1510		1828
1511	Expand crossfire pod fragments into protocol xml.	1829	Expand deliantra pod fragments into protocol xml.
1512
1513	=cut
1514
1515	sub expand_cfpod {
1516	((my $self), (local $_)) = @_;
1517
1518	# escape & and <
1519	s/&/&amp;/g;
1520	s/(?<![BIUGHT])</&lt;/g;
1521
1522	# this is buggy, it needs to properly take care of nested <'s
1523
1524	1 while
1525	# replace B<>, I<>, U<> etc.
1526	s/B<([^\>]*)>/<b>$1<\/b>/
1527	|| s/I<([^\>]*)>/<i>$1<\/i>/
1528	|| s/U<([^\>]*)>/<u>$1<\/u>/
1529	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1530	# replace G<male|female> tags
1531	|| s{G<([^>|]*)\|([^>]*)>}{
1532	$self->gender ? $2 : $1
1533	}ge
1534	# replace H<hint text>
1535	|| s{H<([^\>]*)>}
1536	{
1537	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1538	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1539	"")
1540	[$self->{hintmode}]
1541	}ge;
1542
1543	# create single paragraphs (very hackish)
1544	s/(?<=\S)\n(?=\w)/ /g;
1545
1546	# compress some whitespace
1547	s/\s+\n/\n/g; # ws line-ends
1548	s/\n\n+/\n/g; # double lines
1549	s/^\n+//; # beginning lines
1550	s/\n+$//; # ending lines
1551
1552	$_
1553	}
1554
1555	sub hintmode {
1556	$_[0]{hintmode} = $_[1] if @_ > 1;
1557	$_[0]{hintmode}
1558	}
1559		1830
1560	=item $player->ext_reply ($msgid, @msg)	1831	=item $player->ext_reply ($msgid, @msg)
1561		1832
1562	Sends an ext reply to the player.	1833	Sends an ext reply to the player.
1563		1834
…		…
1595		1866
1596	=cut	1867	=cut
1597		1868
1598	sub find_by_path($) {	1869	sub find_by_path($) {
1599	my ($path) = @_;	1870	my ($path) = @_;
		1871
		1872	$path =~ s/^~[^\/]*//; # skip ~login
1600		1873
1601	my ($match, $specificity);	1874	my ($match, $specificity);
1602		1875
1603	for my $region (list) {	1876	for my $region (list) {
1604	if ($region->{match} && $path =~ $region->{match}) {	1877	if ($region->{match} && $path =~ $region->{match}) {
…		…
1630	our $MAX_RESET = 3600;	1903	our $MAX_RESET = 3600;
1631	our $DEFAULT_RESET = 3000;	1904	our $DEFAULT_RESET = 3000;
1632		1905
1633	sub generate_random_map {	1906	sub generate_random_map {
1634	my ($self, $rmp) = @_;	1907	my ($self, $rmp) = @_;
1635	# mit "rum" bekleckern, nicht	1908
		1909	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1910
1636	$self->_create_random_map (	1911	$self->_create_random_map ($rmp);
1637	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1638	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1639	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1640	$rmp->{exit_on_final_map},
1641	$rmp->{xsize}, $rmp->{ysize},
1642	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1643	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1644	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1645	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1646	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1647	(cf::region::find $rmp->{region}), $rmp->{custom}
1648	)
1649	}	1912	}
1650		1913
1651	=item cf::map->register ($regex, $prio)	1914	=item cf::map->register ($regex, $prio)
1652		1915
1653	Register a handler for the map path matching the given regex at the	1916	Register a handler for the map path matching the given regex at the
…		…
1658		1921
1659	sub register {	1922	sub register {
1660	my (undef, $regex, $prio) = @_;	1923	my (undef, $regex, $prio) = @_;
1661	my $pkg = caller;	1924	my $pkg = caller;
1662		1925
1663	no strict;
1664	push @{"$pkg\::ISA"}, __PACKAGE__;	1926	push @{"$pkg\::ISA"}, __PACKAGE__;
1665		1927
1666	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1928	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1667	}	1929	}
1668		1930
1669	# also paths starting with '/'	1931	# also paths starting with '/'
1670	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1932	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1671		1933
1672	sub thawer_merge {	1934	sub thawer_merge {
1673	my ($self, $merge) = @_;	1935	my ($self, $merge) = @_;
1674		1936
1675	# we have to keep some variables in memory intact	1937	# we have to keep some variables in memory intact
…		…
1680	}	1942	}
1681		1943
1682	sub normalise {	1944	sub normalise {
1683	my ($path, $base) = @_;	1945	my ($path, $base) = @_;
1684		1946
1685	$path = "$path"; # make sure its a string	1947	$path = "$path"; # make sure it's a string
1686		1948
1687	$path =~ s/\.map$//;	1949	$path =~ s/\.map$//;
1688		1950
1689	# map plan:	1951	# map plan:
1690	#	1952	#
…		…
1692	# {... are special paths that are not being touched	1954	# {... are special paths that are not being touched
1693	# ?xxx/... are special absolute paths	1955	# ?xxx/... are special absolute paths
1694	# ?random/... random maps	1956	# ?random/... random maps
1695	# /... normal maps	1957	# /... normal maps
1696	# ~user/... per-player map of a specific user	1958	# ~user/... per-player map of a specific user
		1959	# !up !down for quad maps, or other maps with up/down layers
1697		1960
1698	$path =~ s/$PATH_SEP/\//go;	1961	$path =~ s/$PATH_SEP/\//go;
1699		1962
1700	# treat it as relative path if it starts with	1963	# treat it as relative path if it starts with
1701	# something that looks reasonable	1964	# something that looks reasonable
1702	if ($path =~ m{^(?:\./|\.\./|\w)}) {	1965	if ($path =~ m{^(?:\./|\.\./|\w)}) {
1703	$base or Carp::carp "normalise called with relative path and no base: '$path'";	1966	$base or Carp::carp "normalise called with relative path and no base: '$path'";
1704		1967
1705	$base =~ s{[^/]+/?$}{};	1968	$base =~ s{[^/]+/?$}{};
1706	$path = "$base/$path";	1969	$path = "$base/$path";
		1970
		1971	} elsif ($path eq '!up') {
		1972	$base && ref $base
		1973	or Carp::carp "normalise called with relative tile path and no base: '$path'";
		1974
		1975	my $uppth = $base->tile_path (cf::TILE_UP);
		1976	$path = $uppth if $uppth;
		1977
		1978	} elsif ($path eq '!down') {
		1979	$base && ref $base
		1980	or Carp::carp "normalise called with relative tile path and no base: '$path'";
		1981
		1982	my $dpth = $base->tile_path (cf::TILE_DOWN);
		1983	$path = $dpth if $dpth;
1707	}	1984	}
1708		1985
1709	for ($path) {	1986	for ($path) {
1710	redo if s{//}{/};
1711	redo if s{/\.?/}{/};	1987	redo if s{/\.?/}{/};
1712	redo if s{/[^/]+/\.\./}{/};	1988	redo if s{/[^/]+/\.\./}{/};
1713	}	1989	}
1714		1990
1715	$path	1991	$path
…		…
1729	$self->init; # pass $1 etc.	2005	$self->init; # pass $1 etc.
1730	return $self;	2006	return $self;
1731	}	2007	}
1732	}	2008	}
1733		2009
1734	Carp::cluck "unable to resolve path '$path' (base '$base').";	2010	Carp::cluck "unable to resolve path '$path' (base '$base')";
1735	()	2011	()
1736	}	2012	}
1737		2013
		2014	# may re-bless or do other evil things
1738	sub init {	2015	sub init {
1739	my ($self) = @_;	2016	my ($self) = @_;
1740		2017
1741	$self	2018	$self
1742	}	2019	}
…		…
1761		2038
1762	# the temporary/swap location	2039	# the temporary/swap location
1763	sub save_path {	2040	sub save_path {
1764	my ($self) = @_;	2041	my ($self) = @_;
1765		2042
1766	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2043	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1767	"$TMPDIR/$path.map"	2044	"$TMPDIR/$path.map"
1768	}	2045	}
1769		2046
1770	# the unique path, undef == no special unique path	2047	# the unique path, undef == no special unique path
1771	sub uniq_path {	2048	sub uniq_path {
1772	my ($self) = @_;	2049	my ($self) = @_;
1773		2050
1774	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2051	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1775	"$UNIQUEDIR/$path"	2052	"$UNIQUEDIR/$path"
1776	}
1777
1778	# and all this just because we cannot iterate over
1779	# all maps in C++...
1780	sub change_all_map_light {
1781	my ($change) = @_;
1782
1783	$_->change_map_light ($change)
1784	for grep $_->outdoor, values %cf::MAP;
1785	}	2053	}
1786		2054
1787	sub decay_objects {	2055	sub decay_objects {
1788	my ($self) = @_;	2056	my ($self) = @_;
1789		2057
…		…
1871		2139
1872	sub find;	2140	sub find;
1873	sub find {	2141	sub find {
1874	my ($path, $origin) = @_;	2142	my ($path, $origin) = @_;
1875		2143
		2144	cf::cede_to_tick;
		2145
1876	$path = normalise $path, $origin && $origin->path;	2146	$path = normalise $path, $origin;
1877		2147
1878	cf::lock_wait "map_data:$path";#d#remove	2148	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1879	cf::lock_wait "map_find:$path";	2149	my $guard2 = cf::lock_acquire "map_find:$path";
1880		2150
1881	$cf::MAP{$path} || do {	2151	$cf::MAP{$path} || do {
1882	my $guard1 = cf::lock_acquire "map_find:$path";
1883	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1884
1885	my $map = new_from_path cf::map $path	2152	my $map = new_from_path cf::map $path
1886	or return;	2153	or return;
1887		2154
1888	$map->{last_save} = $cf::RUNTIME;	2155	$map->{last_save} = $cf::RUNTIME;
1889		2156
…		…
1891	or return;	2158	or return;
1892		2159
1893	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2160	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1894	# doing this can freeze the server in a sync job, obviously	2161	# doing this can freeze the server in a sync job, obviously
1895	#$cf::WAIT_FOR_TICK->wait;	2162	#$cf::WAIT_FOR_TICK->wait;
		2163	undef $guard2;
1896	undef $guard1;	2164	undef $guard1;
1897	undef $guard2;
1898	$map->reset;	2165	$map->reset;
1899	return find $path;	2166	return find $path;
1900	}	2167	}
1901		2168
1902	$cf::MAP{$path} = $map	2169	$cf::MAP{$path} = $map
1903	}	2170	}
1904	}	2171	}
1905		2172
1906	sub pre_load { }	2173	sub pre_load { }
1907	sub post_load { }	2174	#sub post_load { } # XS
1908		2175
1909	sub load {	2176	sub load {
1910	my ($self) = @_;	2177	my ($self) = @_;
1911		2178
1912	local $self->{deny_reset} = 1; # loading can take a long time	2179	local $self->{deny_reset} = 1; # loading can take a long time
…		…
1924	$self->alloc;	2191	$self->alloc;
1925		2192
1926	$self->pre_load;	2193	$self->pre_load;
1927	cf::cede_to_tick;	2194	cf::cede_to_tick;
1928		2195
		2196	if (exists $self->{load_path}) {
1929	my $f = new_from_file cf::object::thawer $self->{load_path};	2197	my $f = new_from_file cf::object::thawer $self->{load_path};
1930	$f->skip_block;	2198	$f->skip_block;
1931	$self->_load_objects ($f)	2199	$self->_load_objects ($f)
1932	or return;	2200	or return;
1933		2201
1934	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2202	$self->post_load_original
1935	if delete $self->{load_original};	2203	if delete $self->{load_original};
1936		2204
1937	if (my $uniq = $self->uniq_path) {	2205	if (my $uniq = $self->uniq_path) {
1938	utf8::encode $uniq;	2206	utf8::encode $uniq;
1939	unless (aio_stat $uniq) {	2207	unless (aio_stat $uniq) {
1940	if (my $f = new_from_file cf::object::thawer $uniq) {	2208	if (my $f = new_from_file cf::object::thawer $uniq) {
1941	$self->clear_unique_items;	2209	$self->clear_unique_items;
1942	$self->_load_objects ($f);	2210	$self->_load_objects ($f);
1943	$f->resolve_delayed_derefs;	2211	$f->resolve_delayed_derefs;
		2212	}
1944	}	2213	}
1945	}	2214	}
1946	}
1947		2215
1948	$f->resolve_delayed_derefs;	2216	$f->resolve_delayed_derefs;
		2217	}
1949		2218
1950	cf::cede_to_tick;	2219	cf::cede_to_tick;
1951	# now do the right thing for maps	2220	# now do the right thing for maps
1952	$self->link_multipart_objects;	2221	$self->link_multipart_objects;
1953	$self->difficulty ($self->estimate_difficulty)	2222	$self->difficulty ($self->estimate_difficulty)
…		…
1957	unless ($self->{deny_activate}) {	2226	unless ($self->{deny_activate}) {
1958	$self->decay_objects;	2227	$self->decay_objects;
1959	$self->fix_auto_apply;	2228	$self->fix_auto_apply;
1960	$self->update_buttons;	2229	$self->update_buttons;
1961	cf::cede_to_tick;	2230	cf::cede_to_tick;
1962	$self->set_darkness_map;
1963	cf::cede_to_tick;
1964	$self->activate;	2231	$self->activate;
1965	}	2232	}
1966		2233
1967	$self->{last_save} = $cf::RUNTIME;	2234	$self->{last_save} = $cf::RUNTIME;
1968	$self->last_access ($cf::RUNTIME);	2235	$self->last_access ($cf::RUNTIME);
1969		2236
1970	$self->in_memory (cf::MAP_IN_MEMORY);	2237	$self->in_memory (cf::MAP_ACTIVE);
1971	}	2238	}
1972		2239
1973	$self->post_load;	2240	$self->post_load;
1974	}
1975		2241
		2242	1
		2243	}
		2244
		2245	# customize the map for a given player, i.e.
		2246	# return the _real_ map. used by e.g. per-player
		2247	# maps to change the path to ~playername/mappath
1976	sub customise_for {	2248	sub customise_for {
1977	my ($self, $ob) = @_;	2249	my ($self, $ob) = @_;
1978		2250
1979	return find "~" . $ob->name . "/" . $self->{path}	2251	return find "~" . $ob->name . "/" . $self->{path}
1980	if $self->per_player;	2252	if $self->per_player;
…		…
1996	or next;	2268	or next;
1997	$neigh = find $neigh, $map	2269	$neigh = find $neigh, $map
1998	or next;	2270	or next;
1999	$neigh->load;	2271	$neigh->load;
2000		2272
		2273	# now find the diagonal neighbours
2001	push @neigh,	2274	push @neigh,
2002	[$neigh->tile_path (($_ + 3) % 4), $neigh],	2275	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2003	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2276	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2004	}	2277	}
2005		2278
…		…
2012	}	2285	}
2013		2286
2014	sub find_sync {	2287	sub find_sync {
2015	my ($path, $origin) = @_;	2288	my ($path, $origin) = @_;
2016		2289
2017	cf::sync_job { find $path, $origin }	2290	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2291	if $Coro::current == $Coro::main;
		2292
		2293	find $path, $origin
2018	}	2294	}
2019		2295
2020	sub do_load_sync {	2296	sub do_load_sync {
2021	my ($map) = @_;	2297	my ($map) = @_;
2022		2298
2023	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2299	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2024	if $Coro::current == $Coro::main;	2300	if $Coro::current == $Coro::main;
2025		2301
2026	cf::sync_job { $map->load };	2302	$map->load;
2027	}	2303	}
2028		2304
2029	our %MAP_PREFETCH;	2305	our %MAP_PREFETCH;
2030	our $MAP_PREFETCHER = undef;	2306	our $MAP_PREFETCHER = undef;
2031		2307
2032	sub find_async {	2308	sub find_async {
2033	my ($path, $origin, $load) = @_;	2309	my ($path, $origin, $load) = @_;
2034		2310
2035	$path = normalise $path, $origin && $origin->{path};	2311	$path = normalise $path, $origin;
2036		2312
2037	if (my $map = $cf::MAP{$path}) {	2313	if (my $map = $cf::MAP{$path}) {
2038	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2314	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2039	}	2315	}
2040		2316
2041	$MAP_PREFETCH{$path} |= $load;	2317	$MAP_PREFETCH{$path} |= $load;
2042		2318
2043	$MAP_PREFETCHER ||= cf::async {	2319	$MAP_PREFETCHER ||= cf::async {
…		…
2057	$MAP_PREFETCHER->prio (6);	2333	$MAP_PREFETCHER->prio (6);
2058		2334
2059	()	2335	()
2060	}	2336	}
2061		2337
		2338	# common code, used by both ->save and ->swapout
2062	sub save {	2339	sub _save {
2063	my ($self) = @_;	2340	my ($self) = @_;
2064
2065	my $lock = cf::lock_acquire "map_data:$self->{path}";
2066		2341
2067	$self->{last_save} = $cf::RUNTIME;	2342	$self->{last_save} = $cf::RUNTIME;
2068		2343
2069	return unless $self->dirty;	2344	return unless $self->dirty;
2070		2345
…		…
2079		2354
2080	cf::async {	2355	cf::async {
2081	$Coro::current->{desc} = "map player save";	2356	$Coro::current->{desc} = "map player save";
2082	$_->contr->save for $self->players;	2357	$_->contr->save for $self->players;
2083	};	2358	};
		2359
		2360	cf::get_slot 0.02;
2084		2361
2085	if ($uniq) {	2362	if ($uniq) {
2086	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2363	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2087	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2364	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2088	} else {	2365	} else {
2089	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2366	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2090	}	2367	}
2091	}	2368	}
2092		2369
		2370	sub save {
		2371	my ($self) = @_;
		2372
		2373	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2374
		2375	$self->_save;
		2376	}
		2377
2093	sub swap_out {	2378	sub swap_out {
2094	my ($self) = @_;	2379	my ($self) = @_;
2095		2380
2096	# save first because save cedes
2097	$self->save;
2098
2099	my $lock = cf::lock_acquire "map_data:$self->{path}";	2381	my $lock = cf::lock_acquire "map_data:$self->{path}";
2100		2382
		2383	return if $self->in_memory != cf::MAP_ACTIVE;
		2384	return if $self->{deny_save};
2101	return if $self->players;	2385	return if $self->players;
2102	return if $self->in_memory != cf::MAP_IN_MEMORY;
2103	return if $self->{deny_save};
2104		2386
		2387	# first deactivate the map and "unlink" it from the core
		2388	$self->deactivate;
		2389	$_->clear_links_to ($self) for values %cf::MAP;
2105	$self->in_memory (cf::MAP_SWAPPED);	2390	$self->in_memory (cf::MAP_SWAPPED);
		2391
		2392	# then atomically save
		2393	$self->_save;
		2394
		2395	# then free the map
		2396	$self->clear;
		2397	}
		2398
		2399	sub reset_at {
		2400	my ($self) = @_;
		2401
		2402	# TODO: safety, remove and allow resettable per-player maps
		2403	return 1e99 if $self->{deny_reset};
		2404
		2405	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2406	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2407
		2408	$time + $to
		2409	}
		2410
		2411	sub should_reset {
		2412	my ($self) = @_;
		2413
		2414	$self->reset_at <= $cf::RUNTIME
		2415	}
		2416
		2417	sub reset {
		2418	my ($self) = @_;
		2419
		2420	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2421
		2422	return if $self->players;
		2423
		2424	cf::trace "resetting map ", $self->path, "\n";
		2425
		2426	$self->in_memory (cf::MAP_SWAPPED);
		2427
		2428	# need to save uniques path
		2429	unless ($self->{deny_save}) {
		2430	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2431
		2432	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2433	if $uniq;
		2434	}
		2435
		2436	delete $cf::MAP{$self->path};
2106		2437
2107	$self->deactivate;	2438	$self->deactivate;
2108	$_->clear_links_to ($self) for values %cf::MAP;	2439	$_->clear_links_to ($self) for values %cf::MAP;
2109	$self->clear;	2440	$self->clear;
2110	}
2111
2112	sub reset_at {
2113	my ($self) = @_;
2114
2115	# TODO: safety, remove and allow resettable per-player maps
2116	return 1e99 if $self->{deny_reset};
2117
2118	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2119	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2120
2121	$time + $to
2122	}
2123
2124	sub should_reset {
2125	my ($self) = @_;
2126
2127	$self->reset_at <= $cf::RUNTIME
2128	}
2129
2130	sub reset {
2131	my ($self) = @_;
2132
2133	my $lock = cf::lock_acquire "map_data:$self->{path}";
2134
2135	return if $self->players;
2136
2137	warn "resetting map ", $self->path;
2138
2139	$self->in_memory (cf::MAP_SWAPPED);
2140
2141	# need to save uniques path
2142	unless ($self->{deny_save}) {
2143	my $uniq = $self->uniq_path; utf8::encode $uniq;
2144
2145	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2146	if $uniq;
2147	}
2148
2149	delete $cf::MAP{$self->path};
2150
2151	$self->deactivate;
2152	$_->clear_links_to ($self) for values %cf::MAP;
2153	$self->clear;
2154		2441
2155	$self->unlink_save;	2442	$self->unlink_save;
2156	$self->destroy;	2443	$self->destroy;
2157	}	2444	}
2158		2445
…		…
2166		2453
2167	delete $cf::MAP{$self->path};	2454	delete $cf::MAP{$self->path};
2168		2455
2169	$self->unlink_save;	2456	$self->unlink_save;
2170		2457
2171	bless $self, "cf::map";	2458	bless $self, "cf::map::wrap";
2172	delete $self->{deny_reset};	2459	delete $self->{deny_reset};
2173	$self->{deny_save} = 1;	2460	$self->{deny_save} = 1;
2174	$self->reset_timeout (1);	2461	$self->reset_timeout (1);
2175	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2462	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2176		2463
…		…
2225		2512
2226	sub unique_maps() {	2513	sub unique_maps() {
2227	[	2514	[
2228	map {	2515	map {
2229	utf8::decode $_;	2516	utf8::decode $_;
2230	/\.map$/	2517	s/\.map$//; # TODO future compatibility hack
		2518	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2519	? ()
2231	? normalise $_	2520	: normalise $_
2232	: ()
2233	} @{ aio_readdir $UNIQUEDIR or [] }	2521	} @{ aio_readdir $UNIQUEDIR or [] }
2234	]	2522	]
2235	}	2523	}
2236		2524
2237	package cf;	2525	=item cf::map::static_maps
		2526
		2527	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2528	file in the shared directory excluding F</styles> and F</editor>). May
		2529	block.
		2530
		2531	=cut
		2532
		2533	sub static_maps() {
		2534	my @dirs = "";
		2535	my @maps;
		2536
		2537	while (@dirs) {
		2538	my $dir = shift @dirs;
		2539
		2540	next if $dir eq "/styles" || $dir eq "/editor";
		2541
		2542	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2543	or return;
		2544
		2545	for (@$files) {
		2546	s/\.map$// or next;
		2547	utf8::decode $_;
		2548	push @maps, "$dir/$_";
		2549	}
		2550
		2551	push @dirs, map "$dir/$_", @$dirs;
		2552	}
		2553
		2554	\@maps
		2555	}
2238		2556
2239	=back	2557	=back
2240		2558
2241	=head3 cf::object	2559	=head3 cf::object
2242		2560
…		…
2246		2564
2247	=over 4	2565	=over 4
2248		2566
2249	=item $ob->inv_recursive	2567	=item $ob->inv_recursive
2250		2568
2251	Returns the inventory of the object _and_ their inventories, recursively.	2569	Returns the inventory of the object I<and> their inventories, recursively,
		2570	but I<not> the object itself.
2252		2571
2253	=cut	2572	=cut
2254		2573
2255	sub inv_recursive_;	2574	sub inv_recursive_;
2256	sub inv_recursive_ {	2575	sub inv_recursive_ {
…		…
2261	inv_recursive_ inv $_[0]	2580	inv_recursive_ inv $_[0]
2262	}	2581	}
2263		2582
2264	=item $ref = $ob->ref	2583	=item $ref = $ob->ref
2265		2584
2266	creates and returns a persistent reference to an objetc that can be stored as a string.	2585	Creates and returns a persistent reference to an object that can be stored as a string.
2267		2586
2268	=item $ob = cf::object::deref ($refstring)	2587	=item $ob = cf::object::deref ($refstring)
2269		2588
2270	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2589	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2271	even if the object actually exists. May block.	2590	even if the object actually exists. May block.
…		…
2303	can be C<undef>. Does the right thing when the player is currently in a	2622	can be C<undef>. Does the right thing when the player is currently in a
2304	dialogue with the given NPC character.	2623	dialogue with the given NPC character.
2305		2624
2306	=cut	2625	=cut
2307		2626
		2627	our $SAY_CHANNEL = {
		2628	id => "say",
		2629	title => "Map",
		2630	reply => "say ",
		2631	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2632	};
		2633
		2634	our $CHAT_CHANNEL = {
		2635	id => "chat",
		2636	title => "Chat",
		2637	reply => "chat ",
		2638	tooltip => "Player chat and shouts, global to the server.",
		2639	};
		2640
2308	# rough implementation of a future "reply" method that works	2641	# rough implementation of a future "reply" method that works
2309	# with dialog boxes.	2642	# with dialog boxes.
2310	#TODO: the first argument must go, split into a $npc->reply_to ( method	2643	#TODO: the first argument must go, split into a $npc->reply_to ( method
2311	sub cf::object::player::reply($$$;$) {	2644	sub cf::object::player::reply($$$;$) {
2312	my ($self, $npc, $msg, $flags) = @_;	2645	my ($self, $npc, $msg, $flags) = @_;
…		…
2323	my $dialog = $pl->{npc_dialog};	2656	my $dialog = $pl->{npc_dialog};
2324	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2657	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2325		2658
2326	} else {	2659	} else {
2327	$msg = $npc->name . " says: $msg" if $npc;	2660	$msg = $npc->name . " says: $msg" if $npc;
2328	$self->message ($msg, $flags);	2661	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2329	}	2662	}
2330	}	2663	}
2331	}	2664	}
2332		2665
2333	=item $object->send_msg ($channel, $msg, $color, [extra...])	2666	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2358		2691
2359	=item $player_object->enter_link	2692	=item $player_object->enter_link
2360		2693
2361	Freezes the player and moves him/her to a special map (C<{link}>).	2694	Freezes the player and moves him/her to a special map (C<{link}>).
2362		2695
2363	The player should be reasonably safe there for short amounts of time. You	2696	The player should be reasonably safe there for short amounts of time (e.g.
2364	I<MUST> call C<leave_link> as soon as possible, though.	2697	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2698	though, as the player cannot control the character while it is on the link
		2699	map.
2365		2700
2366	Will never block.	2701	Will never block.
2367		2702
2368	=item $player_object->leave_link ($map, $x, $y)	2703	=item $player_object->leave_link ($map, $x, $y)
2369		2704
…		…
2389	sub cf::object::player::enter_link {	2724	sub cf::object::player::enter_link {
2390	my ($self) = @_;	2725	my ($self) = @_;
2391		2726
2392	$self->deactivate_recursive;	2727	$self->deactivate_recursive;
2393		2728
		2729	++$self->{_link_recursion};
		2730
2394	return if UNIVERSAL::isa $self->map, "ext::map_link";	2731	return if UNIVERSAL::isa $self->map, "ext::map_link";
2395		2732
2396	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2733	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2397	if $self->map && $self->map->{path} ne "{link}";	2734	if $self->map && $self->map->{path} ne "{link}";
2398		2735
2399	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2736	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2400	}	2737	}
2401		2738
2402	sub cf::object::player::leave_link {	2739	sub cf::object::player::leave_link {
2403	my ($self, $map, $x, $y) = @_;	2740	my ($self, $map, $x, $y) = @_;
2404		2741
…		…
2421	($x, $y) = (-1, -1)	2758	($x, $y) = (-1, -1)
2422	unless (defined $x) && (defined $y);	2759	unless (defined $x) && (defined $y);
2423		2760
2424	# use -1 or undef as default coordinates, not 0, 0	2761	# use -1 or undef as default coordinates, not 0, 0
2425	($x, $y) = ($map->enter_x, $map->enter_y)	2762	($x, $y) = ($map->enter_x, $map->enter_y)
2426	if $x <=0 && $y <= 0;	2763	if $x <= 0 && $y <= 0;
2427		2764
2428	$map->load;	2765	$map->load;
2429	$map->load_neighbours;	2766	$map->load_neighbours;
2430		2767
2431	return unless $self->contr->active;	2768	return unless $self->contr->active;
2432	$self->activate_recursive;
2433		2769
2434	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2770	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2435	$self->enter_map ($map, $x, $y);	2771	if ($self->enter_map ($map, $x, $y)) {
2436	}	2772	# entering was successful
		2773	delete $self->{_link_recursion};
		2774	# only activate afterwards, to support waiting in hooks
		2775	$self->activate_recursive;
		2776	}
2437		2777
		2778	}
		2779
2438	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2780	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2439		2781
2440	Moves the player to the given map-path and coordinates by first freezing	2782	Moves the player to the given map-path and coordinates by first freezing
2441	her, loading and preparing them map, calling the provided $check callback	2783	her, loading and preparing them map, calling the provided $check callback
2442	that has to return the map if sucecssful, and then unfreezes the player on	2784	that has to return the map if sucecssful, and then unfreezes the player on
2443	the new (success) or old (failed) map position. In either case, $done will	2785	the new (success) or old (failed) map position. In either case, $done will
2444	be called at the end of this process.	2786	be called at the end of this process.
2445		2787
		2788	Note that $check will be called with a potentially non-loaded map, so if
		2789	it needs a loaded map it has to call C<< ->load >>.
		2790
2446	=cut	2791	=cut
2447		2792
2448	our $GOTOGEN;	2793	our $GOTOGEN;
2449		2794
2450	sub cf::object::player::goto {	2795	sub cf::object::player::goto {
2451	my ($self, $path, $x, $y, $check, $done) = @_;	2796	my ($self, $path, $x, $y, $check, $done) = @_;
		2797
		2798	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2799	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2800	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2801	($path, $x, $y) = @$EMERGENCY_POSITION;
		2802	}
2452		2803
2453	# do generation counting so two concurrent goto's will be executed in-order	2804	# do generation counting so two concurrent goto's will be executed in-order
2454	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2805	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2455		2806
2456	$self->enter_link;	2807	$self->enter_link;
…		…
2476	($path, $x, $y) = (undef, undef, undef);	2827	($path, $x, $y) = (undef, undef, undef);
2477	}	2828	}
2478	}	2829	}
2479		2830
2480	my $map = eval {	2831	my $map = eval {
2481	my $map = defined $path ? cf::map::find $path : undef;	2832	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2482		2833
2483	if ($map) {	2834	if ($map) {
2484	$map = $map->customise_for ($self);	2835	$map = $map->customise_for ($self);
2485	$map = $check->($map) if $check && $map;	2836	$map = $check->($map, $x, $y, $self) if $check && $map;
2486	} else {	2837	} else {
2487	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2838	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2488	}	2839	}
2489		2840
2490	$map	2841	$map
…		…
2498	if ($gen == $self->{_goto_generation}) {	2849	if ($gen == $self->{_goto_generation}) {
2499	delete $self->{_goto_generation};	2850	delete $self->{_goto_generation};
2500	$self->leave_link ($map, $x, $y);	2851	$self->leave_link ($map, $x, $y);
2501	}	2852	}
2502		2853
2503	$done->() if $done;	2854	$done->($self) if $done;
2504	})->prio (1);	2855	})->prio (1);
2505	}	2856	}
2506		2857
2507	=item $player_object->enter_exit ($exit_object)	2858	=item $player_object->enter_exit ($exit_object)
2508		2859
…		…
2528	}	2879	}
2529		2880
2530	sub prepare_random_map {	2881	sub prepare_random_map {
2531	my ($exit) = @_;	2882	my ($exit) = @_;
2532		2883
2533	my $guard = cf::lock_acquire "exit_prepare:$exit";
2534
2535	# all this does is basically replace the /! path by	2884	# all this does is basically replace the /! path by
2536	# a new random map path (?random/...) with a seed	2885	# a new random map path (?random/...) with a seed
2537	# that depends on the exit object	2886	# that depends on the exit object
2538		2887
2539	my $rmp = parse_random_map_params $exit->msg;	2888	my $rmp = parse_random_map_params $exit->msg;
…		…
2541	if ($exit->map) {	2890	if ($exit->map) {
2542	$rmp->{region} = $exit->region->name;	2891	$rmp->{region} = $exit->region->name;
2543	$rmp->{origin_map} = $exit->map->path;	2892	$rmp->{origin_map} = $exit->map->path;
2544	$rmp->{origin_x} = $exit->x;	2893	$rmp->{origin_x} = $exit->x;
2545	$rmp->{origin_y} = $exit->y;	2894	$rmp->{origin_y} = $exit->y;
		2895
		2896	$exit->map->touch;
2546	}	2897	}
2547		2898
2548	$rmp->{random_seed} ||= $exit->random_seed;	2899	$rmp->{random_seed} ||= $exit->random_seed;
2549		2900
2550	my $data = cf::to_json $rmp;	2901	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2551	my $md5 = Digest::MD5::md5_hex $data;	2902	my $md5 = Digest::MD5::md5_hex $data;
2552	my $meta = "$RANDOMDIR/$md5.meta";	2903	my $meta = "$RANDOMDIR/$md5.meta";
2553		2904
2554	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2905	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2555	aio_write $fh, 0, (length $data), $data, 0;	2906	aio_write $fh, 0, (length $data), $data, 0;
2556	undef $fh;	2907	undef $fh;
2557	aio_rename "$meta~", $meta;	2908	aio_rename "$meta~", $meta;
2558		2909
		2910	my $slaying = "?random/$md5";
		2911
		2912	if ($exit->valid) {
2559	$exit->slaying ("?random/$md5");	2913	$exit->slaying ("?random/$md5");
2560	$exit->msg (undef);	2914	$exit->msg (undef);
		2915	}
2561	}	2916	}
2562	}	2917	}
2563		2918
2564	sub cf::object::player::enter_exit {	2919	sub cf::object::player::enter_exit {
2565	my ($self, $exit) = @_;	2920	my ($self, $exit) = @_;
2566		2921
2567	return unless $self->type == cf::PLAYER;	2922	return unless $self->type == cf::PLAYER;
2568		2923
2569	if ($exit->slaying eq "/!") {
2570	#TODO: this should de-fi-ni-te-ly not be a sync-job
2571	# the problem is that $exit might not survive long enough
2572	# so it needs to be done right now, right here
2573	cf::sync_job { prepare_random_map $exit };
2574	}
2575
2576	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2577	my $hp = $exit->stats->hp;
2578	my $sp = $exit->stats->sp;
2579
2580	$self->enter_link;	2924	$self->enter_link;
2581		2925
2582	# if exit is damned, update players death & WoR home-position
2583	$self->contr->savebed ($slaying, $hp, $sp)
2584	if $exit->flag (FLAG_DAMNED);
2585
2586	(async {	2926	(async {
2587	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2927	$Coro::current->{desc} = "enter_exit";
2588		2928
2589	$self->deactivate_recursive; # just to be sure
2590	unless (eval {	2929	unless (eval {
		2930	$self->deactivate_recursive; # just to be sure
		2931
		2932	# random map handling
		2933	{
		2934	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2935
		2936	prepare_random_map $exit
		2937	if $exit->slaying eq "/!";
		2938	}
		2939
		2940	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2941	my $x = $exit->stats->hp;
		2942	my $y = $exit->stats->sp;
		2943
2591	$self->goto ($slaying, $hp, $sp);	2944	$self->goto ($map, $x, $y);
2592		2945
		2946	# if exit is damned, update players death & WoR home-position
		2947	$self->contr->savebed ($map, $x, $y)
		2948	if $exit->flag (cf::FLAG_DAMNED);
		2949
2593	1;	2950	1
2594	}) {	2951	}) {
2595	$self->message ("Something went wrong deep within the crossfire server. "	2952	$self->message ("Something went wrong deep within the deliantra server. "
2596	. "I'll try to bring you back to the map you were before. "	2953	. "I'll try to bring you back to the map you were before. "
2597	. "Please report this to the dungeon master!",	2954	. "Please report this to the dungeon master!",
2598	cf::NDI_UNIQUE | cf::NDI_RED);	2955	cf::NDI_UNIQUE | cf::NDI_RED);
2599		2956
2600	warn "ERROR in enter_exit: $@";	2957	error "ERROR in enter_exit: $@";
2601	$self->leave_link;	2958	$self->leave_link;
2602	}	2959	}
2603	})->prio (1);	2960	})->prio (1);
2604	}	2961	}
2605		2962
…		…
2617	sub cf::client::send_drawinfo {	2974	sub cf::client::send_drawinfo {
2618	my ($self, $text, $flags) = @_;	2975	my ($self, $text, $flags) = @_;
2619		2976
2620	utf8::encode $text;	2977	utf8::encode $text;
2621	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2978	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2979	}
		2980
		2981	=item $client->send_big_packet ($pkt)
		2982
		2983	Like C<send_packet>, but tries to compress large packets, and fragments
		2984	them as required.
		2985
		2986	=cut
		2987
		2988	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2989
		2990	sub cf::client::send_big_packet {
		2991	my ($self, $pkt) = @_;
		2992
		2993	# try lzf for large packets
		2994	$pkt = "lzf " . Compress::LZF::compress $pkt
		2995	if 1024 <= length $pkt and $self->{can_lzf};
		2996
		2997	# split very large packets
		2998	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2999	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3000	$pkt = "frag";
		3001	}
		3002
		3003	$self->send_packet ($pkt);
2622	}	3004	}
2623		3005
2624	=item $client->send_msg ($channel, $msg, $color, [extra...])	3006	=item $client->send_msg ($channel, $msg, $color, [extra...])
2625		3007
2626	Send a drawinfo or msg packet to the client, formatting the msg for the	3008	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2628	the message, with C<log> being the default. If C<$color> is negative, suppress	3010	the message, with C<log> being the default. If C<$color> is negative, suppress
2629	the message unless the client supports the msg packet.	3011	the message unless the client supports the msg packet.
2630		3012
2631	=cut	3013	=cut
2632		3014
		3015	# non-persistent channels (usually the info channel)
2633	our %CHANNEL = (	3016	our %CHANNEL = (
		3017	"c/motd" => {
		3018	id => "infobox",
		3019	title => "MOTD",
		3020	reply => undef,
		3021	tooltip => "The message of the day",
		3022	},
2634	"c/identify" => {	3023	"c/identify" => {
2635	id => "infobox",	3024	id => "infobox",
2636	title => "Identify",	3025	title => "Identify",
2637	reply => undef,	3026	reply => undef,
2638	tooltip => "Items recently identified",	3027	tooltip => "Items recently identified",
…		…
2641	id => "infobox",	3030	id => "infobox",
2642	title => "Examine",	3031	title => "Examine",
2643	reply => undef,	3032	reply => undef,
2644	tooltip => "Signs and other items you examined",	3033	tooltip => "Signs and other items you examined",
2645	},	3034	},
		3035	"c/shopinfo" => {
		3036	id => "infobox",
		3037	title => "Shop Info",
		3038	reply => undef,
		3039	tooltip => "What your bargaining skill tells you about the shop",
		3040	},
		3041	"c/book" => {
		3042	id => "infobox",
		3043	title => "Book",
		3044	reply => undef,
		3045	tooltip => "The contents of a note or book",
		3046	},
2646	"c/lookat" => {	3047	"c/lookat" => {
2647	id => "infobox",	3048	id => "infobox",
2648	title => "Look",	3049	title => "Look",
2649	reply => undef,	3050	reply => undef,
2650	tooltip => "What you saw there",	3051	tooltip => "What you saw there",
2651	},	3052	},
		3053	"c/who" => {
		3054	id => "infobox",
		3055	title => "Players",
		3056	reply => undef,
		3057	tooltip => "Shows players who are currently online",
		3058	},
		3059	"c/body" => {
		3060	id => "infobox",
		3061	title => "Body Parts",
		3062	reply => undef,
		3063	tooltip => "Shows which body parts you posess and are available",
		3064	},
		3065	"c/statistics" => {
		3066	id => "infobox",
		3067	title => "Statistics",
		3068	reply => undef,
		3069	tooltip => "Shows your primary statistics",
		3070	},
		3071	"c/skills" => {
		3072	id => "infobox",
		3073	title => "Skills",
		3074	reply => undef,
		3075	tooltip => "Shows your experience per skill and item power",
		3076	},
		3077	"c/shopitems" => {
		3078	id => "infobox",
		3079	title => "Shop Items",
		3080	reply => undef,
		3081	tooltip => "Shows the items currently for sale in this shop",
		3082	},
		3083	"c/resistances" => {
		3084	id => "infobox",
		3085	title => "Resistances",
		3086	reply => undef,
		3087	tooltip => "Shows your resistances",
		3088	},
		3089	"c/pets" => {
		3090	id => "infobox",
		3091	title => "Pets",
		3092	reply => undef,
		3093	tooltip => "Shows information abotu your pets/a specific pet",
		3094	},
		3095	"c/perceiveself" => {
		3096	id => "infobox",
		3097	title => "Perceive Self",
		3098	reply => undef,
		3099	tooltip => "You gained detailed knowledge about yourself",
		3100	},
		3101	"c/uptime" => {
		3102	id => "infobox",
		3103	title => "Uptime",
		3104	reply => undef,
		3105	tooltip => "How long the server has been running since last restart",
		3106	},
		3107	"c/mapinfo" => {
		3108	id => "infobox",
		3109	title => "Map Info",
		3110	reply => undef,
		3111	tooltip => "Information related to the maps",
		3112	},
		3113	"c/party" => {
		3114	id => "party",
		3115	title => "Party",
		3116	reply => "gsay ",
		3117	tooltip => "Messages and chat related to your party",
		3118	},
		3119	"c/death" => {
		3120	id => "death",
		3121	title => "Death",
		3122	reply => undef,
		3123	tooltip => "Reason for and more info about your most recent death",
		3124	},
		3125	"c/say" => $SAY_CHANNEL,
		3126	"c/chat" => $CHAT_CHANNEL,
2652	);	3127	);
2653		3128
2654	sub cf::client::send_msg {	3129	sub cf::client::send_msg {
2655	my ($self, $channel, $msg, $color, @extra) = @_;	3130	my ($self, $channel, $msg, $color, @extra) = @_;
2656		3131
2657	$msg = $self->pl->expand_cfpod ($msg);	3132	$msg = $self->pl->expand_cfpod ($msg)
		3133	unless $color & cf::NDI_VERBATIM;
2658		3134
2659	$color &= cf::NDI_CLIENT_MASK; # just in case...	3135	$color &= cf::NDI_CLIENT_MASK; # just in case...
2660		3136
2661	# check predefined channels, for the benefit of C	3137	# check predefined channels, for the benefit of C
2662	if ($CHANNEL{$channel}) {	3138	if ($CHANNEL{$channel}) {
2663	$channel = $CHANNEL{$channel};	3139	$channel = $CHANNEL{$channel};
2664		3140
2665	$self->ext_msg (channel_info => $channel)	3141	$self->ext_msg (channel_info => $channel);
2666	if $self->can_msg;
2667
2668	$channel = $channel->{id};	3142	$channel = $channel->{id};
2669		3143
2670	} elsif (ref $channel) {	3144	} elsif (ref $channel) {
2671	# send meta info to client, if not yet sent	3145	# send meta info to client, if not yet sent
2672	unless (exists $self->{channel}{$channel->{id}}) {	3146	unless (exists $self->{channel}{$channel->{id}}) {
2673	$self->{channel}{$channel->{id}} = $channel;	3147	$self->{channel}{$channel->{id}} = $channel;
2674	$self->ext_msg (channel_info => $channel)	3148	$self->ext_msg (channel_info => $channel);
2675	if $self->can_msg;
2676	}	3149	}
2677		3150
2678	$channel = $channel->{id};	3151	$channel = $channel->{id};
2679	}	3152	}
2680		3153
2681	return unless @extra || length $msg;	3154	return unless @extra || length $msg;
2682		3155
2683	if ($self->can_msg) {
2684	# default colour, mask it out	3156	# default colour, mask it out
2685	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3157	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2686	if $color & cf::NDI_DEF;	3158	if $color & cf::NDI_DEF;
2687		3159
2688	$self->send_packet ("msg " . $self->{json_coder}->encode (	3160	my $pkt = "msg "
		3161	. $self->{json_coder}->encode (
2689	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3162	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2690	} else {	3163	);
2691	if ($color >= 0) {
2692	# replace some tags by gcfclient-compatible ones
2693	for ($msg) {
2694	1 while
2695	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2696	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2697	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2698	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2699	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2700	}
2701		3164
2702	$color &= cf::NDI_COLOR_MASK;	3165	$self->send_big_packet ($pkt);
2703
2704	utf8::encode $msg;
2705
2706	if (0 && $msg =~ /\[/) {
2707	# COMMAND/INFO
2708	$self->send_packet ("drawextinfo $color 10 8 $msg")
2709	} else {
2710	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2711	$self->send_packet ("drawinfo $color $msg")
2712	}
2713	}
2714	}
2715	}	3166	}
2716		3167
2717	=item $client->ext_msg ($type, @msg)	3168	=item $client->ext_msg ($type, @msg)
2718		3169
2719	Sends an ext event to the client.	3170	Sends an ext event to the client.
…		…
2722		3173
2723	sub cf::client::ext_msg($$@) {	3174	sub cf::client::ext_msg($$@) {
2724	my ($self, $type, @msg) = @_;	3175	my ($self, $type, @msg) = @_;
2725		3176
2726	if ($self->extcmd == 2) {	3177	if ($self->extcmd == 2) {
2727	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3178	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2728	} elsif ($self->extcmd == 1) { # TODO: remove	3179	} elsif ($self->extcmd == 1) { # TODO: remove
2729	push @msg, msgtype => "event_$type";	3180	push @msg, msgtype => "event_$type";
2730	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3181	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2731	}	3182	}
2732	}	3183	}
2733		3184
2734	=item $client->ext_reply ($msgid, @msg)	3185	=item $client->ext_reply ($msgid, @msg)
2735		3186
…		…
2739		3190
2740	sub cf::client::ext_reply($$@) {	3191	sub cf::client::ext_reply($$@) {
2741	my ($self, $id, @msg) = @_;	3192	my ($self, $id, @msg) = @_;
2742		3193
2743	if ($self->extcmd == 2) {	3194	if ($self->extcmd == 2) {
2744	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3195	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2745	} elsif ($self->extcmd == 1) {	3196	} elsif ($self->extcmd == 1) {
2746	#TODO: version 1, remove	3197	#TODO: version 1, remove
2747	unshift @msg, msgtype => "reply", msgid => $id;	3198	unshift @msg, msgtype => "reply", msgid => $id;
2748	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3199	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2749	}	3200	}
2750	}	3201	}
2751		3202
2752	=item $success = $client->query ($flags, "text", \&cb)	3203	=item $success = $client->query ($flags, "text", \&cb)
2753		3204
…		…
2824		3275
2825	$ns->ext_reply ($reply, @reply)	3276	$ns->ext_reply ($reply, @reply)
2826	if $reply;	3277	if $reply;
2827		3278
2828	} else {	3279	} else {
2829	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3280	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2830	}	3281	}
2831		3282
2832	cf::override;	3283	cf::override;
2833	},	3284	},
2834	);	3285	);
…		…
2854		3305
2855	$coro	3306	$coro
2856	}	3307	}
2857		3308
2858	cf::client->attach (	3309	cf::client->attach (
2859	on_destroy => sub {	3310	on_client_destroy => sub {
2860	my ($ns) = @_;	3311	my ($ns) = @_;
2861		3312
2862	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3313	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2863	},	3314	},
2864	);	3315	);
…		…
2880	our $safe_hole = new Safe::Hole;	3331	our $safe_hole = new Safe::Hole;
2881		3332
2882	$SIG{FPE} = 'IGNORE';	3333	$SIG{FPE} = 'IGNORE';
2883		3334
2884	$safe->permit_only (Opcode::opset qw(	3335	$safe->permit_only (Opcode::opset qw(
2885	:base_core :base_mem :base_orig :base_math	3336	:base_core :base_mem :base_orig :base_math :base_loop
2886	grepstart grepwhile mapstart mapwhile	3337	grepstart grepwhile mapstart mapwhile
2887	sort time	3338	sort time
2888	));	3339	));
2889		3340
2890	# here we export the classes and methods available to script code	3341	# here we export the classes and methods available to script code
…		…
2892	=pod	3343	=pod
2893		3344
2894	The following functions and methods are available within a safe environment:	3345	The following functions and methods are available within a safe environment:
2895		3346
2896	cf::object	3347	cf::object
2897	contr pay_amount pay_player map x y force_find force_add	3348	contr pay_amount pay_player map x y force_find force_add destroy
2898	insert remove name archname title slaying race decrease_ob_nr	3349	insert remove name archname title slaying race decrease split
		3350	value
2899		3351
2900	cf::object::player	3352	cf::object::player
2901	player	3353	player
2902		3354
2903	cf::player	3355	cf::player
…		…
2908		3360
2909	=cut	3361	=cut
2910		3362
2911	for (	3363	for (
2912	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3364	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2913	insert remove inv name archname title slaying race	3365	insert remove inv nrof name archname title slaying race
2914	decrease_ob_nr)],	3366	decrease split destroy change_exp value msg lore send_msg)],
2915	["cf::object::player" => qw(player)],	3367	["cf::object::player" => qw(player)],
2916	["cf::player" => qw(peaceful)],	3368	["cf::player" => qw(peaceful send_msg)],
2917	["cf::map" => qw(trigger)],	3369	["cf::map" => qw(trigger)],
2918	) {	3370	) {
2919	no strict 'refs';
2920	my ($pkg, @funs) = @$_;	3371	my ($pkg, @funs) = @$_;
2921	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3372	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2922	for @funs;	3373	for @funs;
2923	}	3374	}
2924		3375
…		…
2939		3390
2940	my $qcode = $code;	3391	my $qcode = $code;
2941	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3392	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2942	$qcode =~ s/\n/\\n/g;	3393	$qcode =~ s/\n/\\n/g;
2943		3394
		3395	%vars = (_dummy => 0) unless %vars;
		3396
		3397	my @res;
2944	local $_;	3398	local $_;
2945	local @safe::cf::_safe_eval_args = values %vars;
2946		3399
2947	my $eval =	3400	my $eval =
2948	"do {\n"	3401	"do {\n"
2949	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3402	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2950	. "#line 0 \"{$qcode}\"\n"	3403	. "#line 0 \"{$qcode}\"\n"
2951	. $code	3404	. $code
2952	. "\n}"	3405	. "\n}"
2953	;	3406	;
2954		3407
		3408	if ($CFG{safe_eval}) {
2955	sub_generation_inc;	3409	sub_generation_inc;
		3410	local @safe::cf::_safe_eval_args = values %vars;
2956	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3411	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2957	sub_generation_inc;	3412	sub_generation_inc;
		3413	} else {
		3414	local @cf::_safe_eval_args = values %vars;
		3415	@res = wantarray ? eval eval : scalar eval $eval;
		3416	}
2958		3417
2959	if ($@) {	3418	if ($@) {
2960	warn "$@";	3419	warn "$@",
2961	warn "while executing safe code '$code'\n";	3420	"while executing safe code '$code'\n",
2962	warn "with arguments " . (join " ", %vars) . "\n";	3421	"with arguments " . (join " ", %vars) . "\n";
2963	}	3422	}
2964		3423
2965	wantarray ? @res : $res[0]	3424	wantarray ? @res : $res[0]
2966	}	3425	}
2967		3426
…		…
2981	=cut	3440	=cut
2982		3441
2983	sub register_script_function {	3442	sub register_script_function {
2984	my ($fun, $cb) = @_;	3443	my ($fun, $cb) = @_;
2985		3444
2986	no strict 'refs';	3445	$fun = "safe::$fun" if $CFG{safe_eval};
2987	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3446	*$fun = $safe_hole->wrap ($cb);
2988	}	3447	}
2989		3448
2990	=back	3449	=back
2991		3450
2992	=cut	3451	=cut
…		…
3001	# for this (global event?)	3460	# for this (global event?)
3002	%ext::player_env::MUSIC_FACE_CACHE = ();	3461	%ext::player_env::MUSIC_FACE_CACHE = ();
3003		3462
3004	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3463	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3005		3464
3006	warn "loading facedata from $path\n";	3465	trace "loading facedata from $path\n";
3007		3466
3008	my $facedata;	3467	my $facedata = decode_storable load_file $path;
3009	0 < aio_load $path, $facedata
3010	or die "$path: $!";
3011
3012	$facedata = Coro::Storable::thaw $facedata;
3013		3468
3014	$facedata->{version} == 2	3469	$facedata->{version} == 2
3015	or cf::cleanup "$path: version mismatch, cannot proceed.";	3470	or cf::cleanup "$path: version mismatch, cannot proceed.";
3016		3471
3017	# patch in the exptable	3472	# patch in the exptable
		3473	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3018	$facedata->{resource}{"res/exp_table"} = {	3474	$facedata->{resource}{"res/exp_table"} = {
3019	type => FT_RSRC,	3475	type => FT_RSRC,
3020	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3476	data => $exp_table,
		3477	hash => (Digest::MD5::md5 $exp_table),
3021	};	3478	};
3022	cf::cede_to_tick;	3479	cf::cede_to_tick;
3023		3480
3024	{	3481	{
3025	my $faces = $facedata->{faceinfo};	3482	my $faces = $facedata->{faceinfo};
3026		3483
3027	while (my ($face, $info) = each %$faces) {	3484	while (my ($face, $info) = each %$faces) {
3028	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3485	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3486
3029	cf::face::set_visibility $idx, $info->{visibility};	3487	cf::face::set_visibility $idx, $info->{visibility};
3030	cf::face::set_magicmap $idx, $info->{magicmap};	3488	cf::face::set_magicmap $idx, $info->{magicmap};
3031	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3489	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3032	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3490	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3491	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
3033		3492
3034	cf::cede_to_tick;	3493	cf::cede_to_tick;
3035	}	3494	}
3036		3495
3037	while (my ($face, $info) = each %$faces) {	3496	while (my ($face, $info) = each %$faces) {
3038	next unless $info->{smooth};	3497	next unless $info->{smooth};
		3498
3039	my $idx = cf::face::find $face	3499	my $idx = cf::face::find $face
3040	or next;	3500	or next;
		3501
3041	if (my $smooth = cf::face::find $info->{smooth}) {	3502	if (my $smooth = cf::face::find $info->{smooth}) {
3042	cf::face::set_smooth $idx, $smooth;	3503	cf::face::set_smooth $idx, $smooth;
3043	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3504	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3044	} else {	3505	} else {
3045	warn "smooth face '$info->{smooth}' not found for face '$face'";	3506	error "smooth face '$info->{smooth}' not found for face '$face'";
3046	}	3507	}
3047		3508
3048	cf::cede_to_tick;	3509	cf::cede_to_tick;
3049	}	3510	}
3050	}	3511	}
…		…
3059		3520
3060	cf::anim::invalidate_all; # d'oh	3521	cf::anim::invalidate_all; # d'oh
3061	}	3522	}
3062		3523
3063	{	3524	{
3064	# TODO: for gcfclient pleasure, we should give resources
3065	# that gcfclient doesn't grok a >10000 face index.
3066	my $res = $facedata->{resource};	3525	my $res = $facedata->{resource};
3067		3526
3068	my $soundconf = delete $res->{"res/sound.conf"};
3069
3070	while (my ($name, $info) = each %$res) {	3527	while (my ($name, $info) = each %$res) {
		3528	if (defined $info->{type}) {
3071	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3529	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3072	my $data;
3073		3530
3074	if ($info->{type} & 1) {	3531	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3075	# prepend meta info	3532	cf::face::set_type $idx, $info->{type};
3076
3077	my $meta = $enc->encode ({
3078	name => $name,
3079	%{ $info->{meta} || {} },
3080	});
3081
3082	$data = pack "(w/a*)*", $meta, $info->{data};
3083	} else {	3533	} else {
3084	$data = $info->{data};	3534	$RESOURCE{$name} = $info; # unused
3085	}	3535	}
3086		3536
3087	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3088	cf::face::set_type $idx, $info->{type};
3089
3090	cf::cede_to_tick;	3537	cf::cede_to_tick;
3091	}	3538	}
3092
3093	if ($soundconf) {
3094	$soundconf = $enc->decode (delete $soundconf->{data});
3095
3096	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3097	my $sound = $soundconf->{compat}[$_]
3098	or next;
3099
3100	my $face = cf::face::find "sound/$sound->[1]";
3101	cf::sound::set $sound->[0] => $face;
3102	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3103	}
3104
3105	while (my ($k, $v) = each %{$soundconf->{event}}) {
3106	my $face = cf::face::find "sound/$v";
3107	cf::sound::set $k => $face;
3108	}
3109	}
3110	}	3539	}
		3540
		3541	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3111		3542
3112	1	3543	1
3113	}	3544	}
3114		3545
3115	register_exticmd fx_want => sub {	3546	register_exticmd fx_want => sub {
…		…
3117		3548
3118	while (my ($k, $v) = each %$want) {	3549	while (my ($k, $v) = each %$want) {
3119	$ns->fx_want ($k, $v);	3550	$ns->fx_want ($k, $v);
3120	}	3551	}
3121	};	3552	};
		3553
		3554	sub load_resource_file($) {
		3555	my $guard = lock_acquire "load_resource_file";
		3556
		3557	my $status = load_resource_file_ $_[0];
		3558	get_slot 0.1, 100;
		3559	cf::arch::commit_load;
		3560
		3561	$status
		3562	}
3122		3563
3123	sub reload_regions {	3564	sub reload_regions {
3124	# HACK to clear player env face cache, we need some signal framework	3565	# HACK to clear player env face cache, we need some signal framework
3125	# for this (global event?)	3566	# for this (global event?)
3126	%ext::player_env::MUSIC_FACE_CACHE = ();	3567	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3140	}	3581	}
3141		3582
3142	sub reload_archetypes {	3583	sub reload_archetypes {
3143	load_resource_file "$DATADIR/archetypes"	3584	load_resource_file "$DATADIR/archetypes"
3144	or die "unable to load archetypes\n";	3585	or die "unable to load archetypes\n";
3145	#d# NEED to laod twice to resolve forward references
3146	# this really needs to be done in an extra post-pass
3147	# (which needs to be synchronous, so solve it differently)
3148	load_resource_file "$DATADIR/archetypes"
3149	or die "unable to load archetypes\n";
3150	}	3586	}
3151		3587
3152	sub reload_treasures {	3588	sub reload_treasures {
3153	load_resource_file "$DATADIR/treasures"	3589	load_resource_file "$DATADIR/treasures"
3154	or die "unable to load treasurelists\n";	3590	or die "unable to load treasurelists\n";
3155	}	3591	}
3156		3592
		3593	sub reload_sound {
		3594	trace "loading sound config from $DATADIR/sound\n";
		3595
		3596	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3597
		3598	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3599	my $sound = $soundconf->{compat}[$_]
		3600	or next;
		3601
		3602	my $face = cf::face::find "sound/$sound->[1]";
		3603	cf::sound::set $sound->[0] => $face;
		3604	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3605	}
		3606
		3607	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3608	my $face = cf::face::find "sound/$v";
		3609	cf::sound::set $k => $face;
		3610	}
		3611	}
		3612
3157	sub reload_resources {	3613	sub reload_resources {
3158	warn "reloading resource files...\n";	3614	trace "reloading resource files...\n";
3159		3615
		3616	reload_exp_table;
		3617	reload_materials;
		3618	reload_facedata;
		3619	reload_sound;
		3620	reload_archetypes;
3160	reload_regions;	3621	reload_regions;
3161	reload_facedata;
3162	#reload_archetypes;#d#
3163	reload_archetypes;
3164	reload_treasures;	3622	reload_treasures;
3165		3623
3166	warn "finished reloading resource files\n";	3624	trace "finished reloading resource files\n";
3167	}
3168
3169	sub init {
3170	reload_resources;
3171	}	3625	}
3172		3626
3173	sub reload_config {	3627	sub reload_config {
3174	open my $fh, "<:utf8", "$CONFDIR/config"	3628	trace "reloading config file...\n";
3175	or return;
3176		3629
3177	local $/;	3630	my $config = load_file "$CONFDIR/config";
3178	*CFG = YAML::Syck::Load <$fh>;	3631	utf8::decode $config;
		3632	*CFG = decode_yaml $config;
3179		3633
3180	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3634	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3181		3635
3182	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3636	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3183	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3637	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3184		3638
3185	if (exists $CFG{mlockall}) {	3639	if (exists $CFG{mlockall}) {
…		…
3189	};	3643	};
3190	warn $@ if $@;	3644	warn $@ if $@;
3191	}	3645	}
3192	}	3646	}
3193		3647
		3648	sub pidfile() {
		3649	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3650	or die "$PIDFILE: $!";
		3651	flock $fh, &Fcntl::LOCK_EX
		3652	or die "$PIDFILE: flock: $!";
		3653	$fh
		3654	}
		3655
		3656	# make sure only one server instance is running at any one time
		3657	sub atomic {
		3658	my $fh = pidfile;
		3659
		3660	my $pid = <$fh>;
		3661	kill 9, $pid if $pid > 0;
		3662
		3663	seek $fh, 0, 0;
		3664	print $fh $$;
		3665	}
		3666
		3667	sub main_loop {
		3668	trace "EV::loop starting\n";
		3669	if (1) {
		3670	EV::loop;
		3671	}
		3672	trace "EV::loop returned\n";
		3673	goto &main_loop unless $REALLY_UNLOOP;
		3674	}
		3675
3194	sub main {	3676	sub main {
		3677	cf::init_globals; # initialise logging
		3678
		3679	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3680	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3681	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3682	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3683
		3684	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3685
3195	# we must not ever block the main coroutine	3686	# we must not ever block the main coroutine
3196	local $Coro::idle = sub {	3687	local $Coro::idle = sub {
3197	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3688	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3198	(async {	3689	(async {
3199	$Coro::current->{desc} = "IDLE BUG HANDLER";	3690	$Coro::current->{desc} = "IDLE BUG HANDLER";
3200	Event::one_event;	3691	EV::loop EV::LOOP_ONESHOT;
3201	})->prio (Coro::PRIO_MAX);	3692	})->prio (Coro::PRIO_MAX);
3202	};	3693	};
3203		3694
		3695	evthread_start IO::AIO::poll_fileno;
		3696
		3697	cf::sync_job {
		3698	cf::incloader::init ();
		3699
		3700	cf::init_anim;
		3701	cf::init_attackmess;
		3702	cf::init_dynamic;
		3703
		3704	cf::load_settings;
		3705
		3706	reload_resources;
3204	reload_config;	3707	reload_config;
3205	db_init;	3708	db_init;
		3709
		3710	cf::init_uuid;
		3711	cf::init_signals;
		3712	cf::init_skills;
		3713
		3714	cf::init_beforeplay;
		3715
		3716	atomic;
		3717
3206	load_extensions;	3718	load_extensions;
3207		3719
3208	$TICK_WATCHER->start;	3720	utime time, time, $RUNTIMEFILE;
3209	Event::loop;	3721
		3722	# no (long-running) fork's whatsoever before this point(!)
		3723	use POSIX ();
		3724	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3725
		3726	cf::_post_init 0;
		3727	};
		3728
		3729	cf::object::thawer::errors_are_fatal 0;
		3730	info "parse errors in files are no longer fatal from this point on.\n";
		3731
		3732	my $free_main; $free_main = EV::idle sub {
		3733	undef $free_main;
		3734	undef &main; # free gobs of memory :)
		3735	};
		3736
		3737	goto &main_loop;
3210	}	3738	}
3211		3739
3212	#############################################################################	3740	#############################################################################
3213	# initialisation and cleanup	3741	# initialisation and cleanup
3214		3742
3215	# install some emergency cleanup handlers	3743	# install some emergency cleanup handlers
3216	BEGIN {	3744	BEGIN {
		3745	our %SIGWATCHER = ();
3217	for my $signal (qw(INT HUP TERM)) {	3746	for my $signal (qw(INT HUP TERM)) {
3218	Event->signal (	3747	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3219	reentrant => 0,
3220	data => WF_AUTOCANCEL,
3221	signal => $signal,
3222	prio => 0,
3223	cb => sub {
3224	cf::cleanup "SIG$signal";	3748	cf::cleanup "SIG$signal";
3225	},
3226	);	3749	};
3227	}	3750	}
3228	}	3751	}
3229		3752
3230	sub write_runtime {	3753	sub write_runtime_sync {
3231	my $runtime = "$LOCALDIR/runtime";	3754	my $t0 = AE::time;
3232		3755
3233	# first touch the runtime file to show we are still running:	3756	# first touch the runtime file to show we are still running:
3234	# the fsync below can take a very very long time.	3757	# the fsync below can take a very very long time.
3235		3758
3236	IO::AIO::aio_utime $runtime, undef, undef;	3759	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3237		3760
3238	my $guard = cf::lock_acquire "write_runtime";	3761	my $guard = cf::lock_acquire "write_runtime";
3239		3762
3240	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3763	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3241	or return;	3764	or return;
3242		3765
3243	my $value = $cf::RUNTIME + 90 + 10;	3766	my $value = $cf::RUNTIME + 90 + 10;
3244	# 10 is the runtime save interval, for a monotonic clock	3767	# 10 is the runtime save interval, for a monotonic clock
3245	# 60 allows for the watchdog to kill the server.	3768	# 60 allows for the watchdog to kill the server.
…		…
3255	aio_utime $fh, undef, undef;	3778	aio_utime $fh, undef, undef;
3256		3779
3257	close $fh	3780	close $fh
3258	or return;	3781	or return;
3259		3782
3260	aio_rename "$runtime~", $runtime	3783	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3261	and return;	3784	and return;
3262		3785
3263	warn "runtime file written.\n";	3786	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3264		3787
3265	1	3788	1
		3789	}
		3790
		3791	our $uuid_lock;
		3792	our $uuid_skip;
		3793
		3794	sub write_uuid_sync($) {
		3795	$uuid_skip ||= $_[0];
		3796
		3797	return if $uuid_lock;
		3798	local $uuid_lock = 1;
		3799
		3800	my $uuid = "$LOCALDIR/uuid";
		3801
		3802	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3803	or return;
		3804
		3805	my $value = uuid_seq uuid_cur;
		3806
		3807	unless ($value) {
		3808	info "cowardly refusing to write zero uuid value!\n";
		3809	return;
		3810	}
		3811
		3812	my $value = uuid_str $value + $uuid_skip;
		3813	$uuid_skip = 0;
		3814
		3815	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3816	and return;
		3817
		3818	# always fsync - this file is important
		3819	aio_fsync $fh
		3820	and return;
		3821
		3822	close $fh
		3823	or return;
		3824
		3825	aio_rename "$uuid~", $uuid
		3826	and return;
		3827
		3828	trace "uuid file written ($value).\n";
		3829
		3830	1
		3831
		3832	}
		3833
		3834	sub write_uuid($$) {
		3835	my ($skip, $sync) = @_;
		3836
		3837	$sync ? write_uuid_sync $skip
		3838	: async { write_uuid_sync $skip };
3266	}	3839	}
3267		3840
3268	sub emergency_save() {	3841	sub emergency_save() {
3269	my $freeze_guard = cf::freeze_mainloop;	3842	my $freeze_guard = cf::freeze_mainloop;
3270		3843
3271	warn "enter emergency perl save\n";	3844	info "emergency_perl_save: enter\n";
		3845
		3846	# this is a trade-off: we want to be very quick here, so
		3847	# save all maps without fsync, and later call a global sync
		3848	# (which in turn might be very very slow)
		3849	local $USE_FSYNC = 0;
3272		3850
3273	cf::sync_job {	3851	cf::sync_job {
		3852	cf::write_runtime_sync; # external watchdog should not bark
		3853
3274	# use a peculiar iteration method to avoid tripping on perl	3854	# use a peculiar iteration method to avoid tripping on perl
3275	# refcount bugs in for. also avoids problems with players	3855	# refcount bugs in for. also avoids problems with players
3276	# and maps saved/destroyed asynchronously.	3856	# and maps saved/destroyed asynchronously.
3277	warn "begin emergency player save\n";	3857	info "emergency_perl_save: begin player save\n";
3278	for my $login (keys %cf::PLAYER) {	3858	for my $login (keys %cf::PLAYER) {
3279	my $pl = $cf::PLAYER{$login} or next;	3859	my $pl = $cf::PLAYER{$login} or next;
3280	$pl->valid or next;	3860	$pl->valid or next;
		3861	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3281	$pl->save;	3862	$pl->save;
3282	}	3863	}
3283	warn "end emergency player save\n";	3864	info "emergency_perl_save: end player save\n";
3284		3865
3285	warn "begin emergency map save\n";	3866	cf::write_runtime_sync; # external watchdog should not bark
		3867
		3868	info "emergency_perl_save: begin map save\n";
3286	for my $path (keys %cf::MAP) {	3869	for my $path (keys %cf::MAP) {
3287	my $map = $cf::MAP{$path} or next;	3870	my $map = $cf::MAP{$path} or next;
3288	$map->valid or next;	3871	$map->valid or next;
3289	$map->save;	3872	$map->save;
3290	}	3873	}
3291	warn "end emergency map save\n";	3874	info "emergency_perl_save: end map save\n";
3292		3875
3293	warn "begin emergency database checkpoint\n";	3876	cf::write_runtime_sync; # external watchdog should not bark
		3877
		3878	info "emergency_perl_save: begin database checkpoint\n";
3294	BDB::db_env_txn_checkpoint $DB_ENV;	3879	BDB::db_env_txn_checkpoint $DB_ENV;
3295	warn "end emergency database checkpoint\n";	3880	info "emergency_perl_save: end database checkpoint\n";
		3881
		3882	info "emergency_perl_save: begin write uuid\n";
		3883	write_uuid_sync 1;
		3884	info "emergency_perl_save: end write uuid\n";
		3885
		3886	cf::write_runtime_sync; # external watchdog should not bark
		3887
		3888	trace "emergency_perl_save: syncing database to disk";
		3889	BDB::db_env_txn_checkpoint $DB_ENV;
		3890
		3891	info "emergency_perl_save: starting sync\n";
		3892	IO::AIO::aio_sync sub {
		3893	info "emergency_perl_save: finished sync\n";
		3894	};
		3895
		3896	cf::write_runtime_sync; # external watchdog should not bark
		3897
		3898	trace "emergency_perl_save: flushing outstanding aio requests";
		3899	while (IO::AIO::nreqs || BDB::nreqs) {
		3900	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3901	}
		3902
		3903	cf::write_runtime_sync; # external watchdog should not bark
3296	};	3904	};
3297		3905
3298	warn "leave emergency perl save\n";	3906	info "emergency_perl_save: leave\n";
3299	}	3907	}
3300		3908
3301	sub post_cleanup {	3909	sub post_cleanup {
3302	my ($make_core) = @_;	3910	my ($make_core) = @_;
3303		3911
		3912	IO::AIO::flush;
		3913
3304	warn Carp::longmess "post_cleanup backtrace"	3914	error Carp::longmess "post_cleanup backtrace"
3305	if $make_core;	3915	if $make_core;
		3916
		3917	my $fh = pidfile;
		3918	unlink $PIDFILE if <$fh> == $$;
		3919	}
		3920
		3921	# a safer delete_package, copied from Symbol
		3922	sub clear_package($) {
		3923	my $pkg = shift;
		3924
		3925	# expand to full symbol table name if needed
		3926	unless ($pkg =~ /^main::.*::$/) {
		3927	$pkg = "main$pkg" if $pkg =~ /^::/;
		3928	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3929	$pkg .= '::' unless $pkg =~ /::$/;
		3930	}
		3931
		3932	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3933	my $stem_symtab = *{$stem}{HASH};
		3934
		3935	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3936	or return;
		3937
		3938	# clear all symbols
		3939	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3940	for my $name (keys %$leaf_symtab) {
		3941	_gv_clear *{"$pkg$name"};
		3942	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3943	}
3306	}	3944	}
3307		3945
3308	sub do_reload_perl() {	3946	sub do_reload_perl() {
3309	# can/must only be called in main	3947	# can/must only be called in main
3310	if ($Coro::current != $Coro::main) {	3948	unless (in_main) {
3311	warn "can only reload from main coroutine";	3949	error "can only reload from main coroutine";
3312	return;	3950	return;
3313	}	3951	}
3314		3952
3315	warn "reloading...";	3953	return if $RELOAD++;
3316		3954
3317	warn "entering sync_job";	3955	my $t1 = AE::time;
3318		3956
		3957	while ($RELOAD) {
		3958	cf::get_slot 0.1, -1, "reload_perl";
		3959	info "perl_reload: reloading...";
		3960
		3961	trace "perl_reload: entering sync_job";
		3962
3319	cf::sync_job {	3963	cf::sync_job {
3320	cf::write_runtime; # external watchdog should not bark
3321	cf::emergency_save;	3964	#cf::emergency_save;
3322	cf::write_runtime; # external watchdog should not bark
3323		3965
3324	warn "syncing database to disk";
3325	BDB::db_env_txn_checkpoint $DB_ENV;
3326
3327	# if anything goes wrong in here, we should simply crash as we already saved
3328
3329	warn "cancelling all WF_AUTOCANCEL watchers";
3330	for (Event::all_watchers) {
3331	$_->cancel if $_->data & WF_AUTOCANCEL;
3332	}
3333
3334	warn "flushing outstanding aio requests";
3335	for (;;) {
3336	BDB::flush;
3337	IO::AIO::flush;
3338	Coro::cede;
3339	last unless IO::AIO::nreqs || BDB::nreqs;
3340	warn "iterate...";
3341	}
3342
3343	++$RELOAD;
3344
3345	warn "cancelling all extension coros";	3966	trace "perl_reload: cancelling all extension coros";
3346	$_->cancel for values %EXT_CORO;	3967	$_->cancel for values %EXT_CORO;
3347	%EXT_CORO = ();	3968	%EXT_CORO = ();
3348		3969
3349	warn "removing commands";	3970	trace "perl_reload: removing commands";
3350	%COMMAND = ();	3971	%COMMAND = ();
3351		3972
3352	warn "removing ext/exti commands";	3973	trace "perl_reload: removing ext/exti commands";
3353	%EXTCMD = ();	3974	%EXTCMD = ();
3354	%EXTICMD = ();	3975	%EXTICMD = ();
3355		3976
3356	warn "unloading/nuking all extensions";	3977	trace "perl_reload: unloading/nuking all extensions";
3357	for my $pkg (@EXTS) {	3978	for my $pkg (@EXTS) {
3358	warn "... unloading $pkg";	3979	trace "... unloading $pkg";
3359		3980
3360	if (my $cb = $pkg->can ("unload")) {	3981	if (my $cb = $pkg->can ("unload")) {
3361	eval {	3982	eval {
3362	$cb->($pkg);	3983	$cb->($pkg);
3363	1	3984	1
3364	} or warn "$pkg unloaded, but with errors: $@";	3985	} or error "$pkg unloaded, but with errors: $@";
		3986	}
		3987
		3988	trace "... clearing $pkg";
		3989	clear_package $pkg;
3365	}	3990	}
3366		3991
3367	warn "... nuking $pkg";
3368	Symbol::delete_package $pkg;
3369	}
3370
3371	warn "unloading all perl modules loaded from $LIBDIR";	3992	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3372	while (my ($k, $v) = each %INC) {	3993	while (my ($k, $v) = each %INC) {
3373	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3994	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3374		3995
3375	warn "... unloading $k";	3996	trace "... unloading $k";
3376	delete $INC{$k};	3997	delete $INC{$k};
3377		3998
3378	$k =~ s/\.pm$//;	3999	$k =~ s/\.pm$//;
3379	$k =~ s/\//::/g;	4000	$k =~ s/\//::/g;
3380		4001
3381	if (my $cb = $k->can ("unload_module")) {	4002	if (my $cb = $k->can ("unload_module")) {
3382	$cb->();	4003	$cb->();
		4004	}
		4005
		4006	clear_package $k;
3383	}	4007	}
3384		4008
3385	Symbol::delete_package $k;
3386	}
3387
3388	warn "getting rid of safe::, as good as possible";	4009	trace "perl_reload: getting rid of safe::, as good as possible";
3389	Symbol::delete_package "safe::$_"	4010	clear_package "safe::$_"
3390	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4011	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3391		4012
3392	warn "unloading cf.pm \"a bit\"";	4013	trace "perl_reload: unloading cf.pm \"a bit\"";
3393	delete $INC{"cf.pm"};	4014	delete $INC{"cf.pm"};
3394	delete $INC{"cf/pod.pm"};	4015	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3395		4016
3396	# don't, removes xs symbols, too,	4017	# don't, removes xs symbols, too,
3397	# and global variables created in xs	4018	# and global variables created in xs
3398	#Symbol::delete_package __PACKAGE__;	4019	#clear_package __PACKAGE__;
3399		4020
3400	warn "unload completed, starting to reload now";	4021	info "perl_reload: unload completed, starting to reload now";
3401		4022
3402	warn "reloading cf.pm";	4023	trace "perl_reload: reloading cf.pm";
3403	require cf;	4024	require cf;
3404	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4025	cf::_connect_to_perl_1;
3405		4026
3406	warn "loading config and database again";	4027	trace "perl_reload: loading config and database again";
3407	cf::reload_config;	4028	cf::reload_config;
3408		4029
3409	warn "loading extensions";	4030	trace "perl_reload: loading extensions";
3410	cf::load_extensions;	4031	cf::load_extensions;
3411		4032
		4033	if ($REATTACH_ON_RELOAD) {
3412	warn "reattaching attachments to objects/players";	4034	trace "perl_reload: reattaching attachments to objects/players";
3413	_global_reattach; # objects, sockets	4035	_global_reattach; # objects, sockets
3414	warn "reattaching attachments to maps";	4036	trace "perl_reload: reattaching attachments to maps";
3415	reattach $_ for values %MAP;	4037	reattach $_ for values %MAP;
3416	warn "reattaching attachments to players";	4038	trace "perl_reload: reattaching attachments to players";
3417	reattach $_ for values %PLAYER;	4039	reattach $_ for values %PLAYER;
		4040	}
3418		4041
3419	warn "leaving sync_job";	4042	cf::_post_init 1;
3420		4043
		4044	trace "perl_reload: leaving sync_job";
		4045
3421	1	4046	1
3422	} or do {	4047	} or do {
3423	warn $@;	4048	error $@;
3424	warn "error while reloading, exiting.";	4049	cf::cleanup "perl_reload: error, exiting.";
3425	exit 1;	4050	};
		4051
		4052	--$RELOAD;
3426	};	4053	}
3427		4054
3428	warn "reloaded";	4055	$t1 = AE::time - $t1;
		4056	info "perl_reload: completed in ${t1}s\n";
3429	};	4057	};
3430		4058
3431	our $RELOAD_WATCHER; # used only during reload	4059	our $RELOAD_WATCHER; # used only during reload
3432		4060
3433	sub reload_perl() {	4061	sub reload_perl() {
3434	# doing reload synchronously and two reloads happen back-to-back,	4062	# doing reload synchronously and two reloads happen back-to-back,
3435	# coro crashes during coro_state_free->destroy here.	4063	# coro crashes during coro_state_free->destroy here.
3436		4064
3437	$RELOAD_WATCHER ||= Event->timer (	4065	$RELOAD_WATCHER ||= cf::async {
3438	reentrant => 0,	4066	Coro::AIO::aio_wait cache_extensions;
3439	after => 0,	4067
3440	data => WF_AUTOCANCEL,	4068	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3441	cb => sub {
3442	do_reload_perl;	4069	do_reload_perl;
3443	undef $RELOAD_WATCHER;	4070	undef $RELOAD_WATCHER;
3444	},	4071	};
3445	);	4072	};
3446	}	4073	}
3447		4074
3448	register_command "reload" => sub {	4075	register_command "reload" => sub {
3449	my ($who, $arg) = @_;	4076	my ($who, $arg) = @_;
3450		4077
…		…
3455	reload_perl;	4082	reload_perl;
3456	};	4083	};
3457	}	4084	}
3458	};	4085	};
3459		4086
3460	unshift @INC, $LIBDIR;	4087	#############################################################################
3461		4088
3462	my $bug_warning = 0;	4089	my $bug_warning = 0;
3463		4090
3464	our @WAIT_FOR_TICK;	4091	our @WAIT_FOR_TICK;
3465	our @WAIT_FOR_TICK_BEGIN;	4092	our @WAIT_FOR_TICK_BEGIN;
3466		4093
3467	sub wait_for_tick {	4094	sub wait_for_tick() {
3468	return unless $TICK_WATCHER->is_active;
3469	return if $Coro::current == $Coro::main;	4095	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3470		4096
3471	my $signal = new Coro::Signal;	4097	my $signal = new Coro::Signal;
3472	push @WAIT_FOR_TICK, $signal;	4098	push @WAIT_FOR_TICK, $signal;
3473	$signal->wait;	4099	$signal->wait;
3474	}	4100	}
3475		4101
3476	sub wait_for_tick_begin {	4102	sub wait_for_tick_begin() {
3477	return unless $TICK_WATCHER->is_active;
3478	return if $Coro::current == $Coro::main;	4103	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3479		4104
3480	my $signal = new Coro::Signal;	4105	my $signal = new Coro::Signal;
3481	push @WAIT_FOR_TICK_BEGIN, $signal;	4106	push @WAIT_FOR_TICK_BEGIN, $signal;
3482	$signal->wait;	4107	$signal->wait;
3483	}	4108	}
3484		4109
3485	$TICK_WATCHER = Event->timer (	4110	sub tick {
3486	reentrant => 0,
3487	parked => 1,
3488	prio => 0,
3489	at => $NEXT_TICK || $TICK,
3490	data => WF_AUTOCANCEL,
3491	cb => sub {
3492	if ($Coro::current != $Coro::main) {	4111	if ($Coro::current != $Coro::main) {
3493	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4112	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3494	unless ++$bug_warning > 10;	4113	unless ++$bug_warning > 10;
3495	return;	4114	return;
3496	}	4115	}
3497		4116
3498	$NOW = $tick_start = Event::time;
3499
3500	cf::server_tick; # one server iteration	4117	cf::server_tick; # one server iteration
3501		4118
3502	$RUNTIME += $TICK;	4119	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3503	$NEXT_TICK += $TICK;
3504		4120
3505	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4121	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3506	$NEXT_RUNTIME_WRITE = $NOW + 10;	4122	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3507	Coro::async_pool {	4123	Coro::async_pool {
3508	$Coro::current->{desc} = "runtime saver";	4124	$Coro::current->{desc} = "runtime saver";
3509	write_runtime	4125	write_runtime_sync
3510	or warn "ERROR: unable to write runtime file: $!";	4126	or error "ERROR: unable to write runtime file: $!";
3511	};
3512	}	4127	};
		4128	}
3513		4129
3514	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4130	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3515	$sig->send;	4131	$sig->send;
3516	}	4132	}
3517	while (my $sig = shift @WAIT_FOR_TICK) {	4133	while (my $sig = shift @WAIT_FOR_TICK) {
3518	$sig->send;	4134	$sig->send;
3519	}	4135	}
3520		4136
3521	$NOW = Event::time;	4137	$LOAD = ($NOW - $TICK_START) / $TICK;
3522
3523	# if we are delayed by four ticks or more, skip them all
3524	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3525
3526	$TICK_WATCHER->at ($NEXT_TICK);
3527	$TICK_WATCHER->start;
3528
3529	$LOAD = ($NOW - $tick_start) / $TICK;
3530	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4138	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3531		4139
3532	_post_tick;	4140	if (0) {
		4141	if ($NEXT_TICK) {
		4142	my $jitter = $TICK_START - $NEXT_TICK;
		4143	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4144	debug "jitter $JITTER\n";#d#
		4145	}
3533	},	4146	}
3534	);	4147	}
3535		4148
3536	{	4149	{
		4150	# configure BDB
		4151
3537	BDB::min_parallel 8;	4152	BDB::min_parallel 16;
3538	BDB::max_poll_time $TICK * 0.1;	4153	BDB::max_poll_reqs $TICK * 0.1;
3539	$BDB_POLL_WATCHER = Event->io (	4154	$AnyEvent::BDB::WATCHER->priority (1);
3540	reentrant => 0,
3541	fd => BDB::poll_fileno,
3542	poll => 'r',
3543	prio => 0,
3544	data => WF_AUTOCANCEL,
3545	cb => \&BDB::poll_cb,
3546	);
3547
3548	BDB::set_sync_prepare {
3549	my $status;
3550	my $current = $Coro::current;
3551	(
3552	sub {
3553	$status = $!;
3554	$current->ready; undef $current;
3555	},
3556	sub {
3557	Coro::schedule while defined $current;
3558	$! = $status;
3559	},
3560	)
3561	};
3562		4155
3563	unless ($DB_ENV) {	4156	unless ($DB_ENV) {
3564	$DB_ENV = BDB::db_env_create;	4157	$DB_ENV = BDB::db_env_create;
3565	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4158	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3566	| BDB::LOG_AUTOREMOVE, 1);	4159	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4160	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3567	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4161	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3568	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4162	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3569		4163
3570	cf::sync_job {	4164	cf::sync_job {
3571	eval {	4165	eval {
…		…
3581		4175
3582	cf::cleanup "db_env_open(db): $@" if $@;	4176	cf::cleanup "db_env_open(db): $@" if $@;
3583	};	4177	};
3584	}	4178	}
3585		4179
3586	$BDB_DEADLOCK_WATCHER = Event->timer (	4180	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3587	after => 3,
3588	interval => 1,
3589	hard => 1,
3590	prio => 0,
3591	data => WF_AUTOCANCEL,
3592	cb => sub {
3593	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };	4181	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3594	},
3595	);	4182	};
3596	$BDB_CHECKPOINT_WATCHER = Event->timer (	4183	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3597	after => 11,
3598	interval => 60,
3599	hard => 1,
3600	prio => 0,
3601	data => WF_AUTOCANCEL,
3602	cb => sub {
3603	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4184	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3604	},
3605	);	4185	};
3606	$BDB_TRICKLE_WATCHER = Event->timer (	4186	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3607	after => 5,
3608	interval => 10,
3609	hard => 1,
3610	prio => 0,
3611	data => WF_AUTOCANCEL,
3612	cb => sub {
3613	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4187	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3614	},
3615	);	4188	};
3616	}	4189	}
3617		4190
3618	{	4191	{
		4192	# configure IO::AIO
		4193
3619	IO::AIO::min_parallel 8;	4194	IO::AIO::min_parallel 8;
3620
3621	undef $Coro::AIO::WATCHER;
3622	IO::AIO::max_poll_time $TICK * 0.1;	4195	IO::AIO::max_poll_time $TICK * 0.1;
3623	$AIO_POLL_WATCHER = Event->io (	4196	undef $AnyEvent::AIO::WATCHER;
3624	reentrant => 0,
3625	data => WF_AUTOCANCEL,
3626	fd => IO::AIO::poll_fileno,
3627	poll => 'r',
3628	prio => 0,
3629	cb => \&IO::AIO::poll_cb,
3630	);
3631	}	4197	}
3632		4198
3633	my $_log_backtrace;	4199	our $_log_backtrace;
		4200	our $_log_backtrace_last;
3634		4201
3635	sub _log_backtrace {	4202	sub _log_backtrace {
3636	my ($msg, @addr) = @_;	4203	my ($msg, @addr) = @_;
3637		4204
3638	$msg =~ s/\n//;	4205	$msg =~ s/\n$//;
3639		4206
		4207	if ($_log_backtrace_last eq $msg) {
		4208	LOG llevInfo, "[ABT] $msg\n";
		4209	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3640	# limit the # of concurrent backtraces	4210	# limit the # of concurrent backtraces
3641	if ($_log_backtrace < 2) {	4211	} elsif ($_log_backtrace < 2) {
		4212	$_log_backtrace_last = $msg;
3642	++$_log_backtrace;	4213	++$_log_backtrace;
		4214	my $perl_bt = Carp::longmess $msg;
3643	async {	4215	async {
3644	$Coro::current->{desc} = "abt $msg";	4216	$Coro::current->{desc} = "abt $msg";
3645		4217
3646	my @bt = fork_call {	4218	my @bt = fork_call {
3647	@addr = map { sprintf "%x", $_ } @addr;	4219	@addr = map { sprintf "%x", $_ } @addr;
…		…
3658	}	4230	}
3659		4231
3660	@funcs	4232	@funcs
3661	};	4233	};
3662		4234
3663	LOG llevInfo, "[ABT] $msg\n";	4235	LOG llevInfo, "[ABT] $perl_bt\n";
		4236	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3664	LOG llevInfo, "[ABT] $_\n" for @bt;	4237	LOG llevInfo, "[ABT] $_\n" for @bt;
3665	--$_log_backtrace;	4238	--$_log_backtrace;
3666	};	4239	};
3667	} else {	4240	} else {
3668	LOG llevInfo, "[ABT] $msg\n";	4241	LOG llevInfo, "[ABT] $msg\n";
3669	LOG llevInfo, "[ABT] [suppressed]\n";	4242	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3670	}	4243	}
3671	}	4244	}
3672		4245
3673	# load additional modules	4246	# load additional modules
3674	use cf::pod;	4247	require "cf/$_.pm" for @EXTRA_MODULES;
		4248	cf::_connect_to_perl_2;
3675		4249
3676	END { cf::emergency_save }	4250	END { cf::emergency_save }
3677		4251
3678	1	4252	1
3679		4253

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