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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.373 by root, Sat Sep 15 15:58:06 2007 UTC vs.
Revision 1.564 by elmex, Thu Apr 28 14:58:08 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 {
		526	$Coro::current->desc ("timeslot manager");
		527
359	my $signal = new Coro::Signal;	528	my $signal = new Coro::Signal;
		529	my $busy;
360		530
361	while () {	531	while () {
362	next_job:	532	next_job:
		533
363	my $avail = cf::till_tick;	534	my $avail = cf::till_tick;
364	if ($avail > 0.01) {	535
365	for (0 .. $#SLOT_QUEUE) {	536	for (0 .. $#SLOT_QUEUE) {
366	if ($SLOT_QUEUE[$_][0] < $avail) {	537	if ($SLOT_QUEUE[$_][0] <= $avail) {
		538	$busy = 0;
367	my $job = splice @SLOT_QUEUE, $_, 1, ();	539	my $job = splice @SLOT_QUEUE, $_, 1, ();
368	$job->[2]->send;	540	$job->[2]->send;
369	Coro::cede;	541	Coro::cede;
370	goto next_job;	542	goto next_job;
371	}	543	} else {
		544	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
372	}	545	}
373	}	546	}
374		547
375	if (@SLOT_QUEUE) {	548	if (@SLOT_QUEUE) {
376	# 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
377	push @cf::WAIT_FOR_TICK, $signal;	550	push @cf::WAIT_FOR_TICK, $signal;
378	$signal->wait;	551	$signal->wait;
379	} else {	552	} else {
		553	$busy = 0;
380	Coro::schedule;	554	Coro::schedule;
381	}	555	}
382	}	556	}
383	};	557	};
384		558
385	sub get_slot($;$$) {	559	sub get_slot($;$$) {
		560	return if tick_inhibit || $Coro::current == $Coro::main;
		561
386	my ($time, $pri, $name) = @_;	562	my ($time, $pri, $name) = @_;
387		563
388	$time = $TICK * .6 if $time > $TICK * .6;	564	$time = clamp $time, 0.01, $TICK * .6;
		565
389	my $sig = new Coro::Signal;	566	my $sig = new Coro::Signal;
390		567
391	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	568	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
392	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	569	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
393	$SLOT_QUEUE->ready;	570	$SLOT_QUEUE->ready;
…		…
404		581
405	BEGIN { *async = \&Coro::async_pool }	582	BEGIN { *async = \&Coro::async_pool }
406		583
407	=item cf::sync_job { BLOCK }	584	=item cf::sync_job { BLOCK }
408		585
409	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	586	The design of Deliantra requires that the main coroutine ($Coro::main)
410	is always able to handle events or runnable, as Crossfire TRT is only	587	is always able to handle events or runnable, as Deliantra is only
411	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	588	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
412	acceptable.	589	acceptable.
413		590
414	If it must be done, put the blocking parts into C<sync_job>. This will run	591	If it must be done, put the blocking parts into C<sync_job>. This will run
415	the given BLOCK in another coroutine while waiting for the result. The	592	the given BLOCK in another coroutine while waiting for the result. The
…		…
419	=cut	596	=cut
420		597
421	sub sync_job(&) {	598	sub sync_job(&) {
422	my ($job) = @_;	599	my ($job) = @_;
423		600
424	if ($Coro::current == $Coro::main) {	601	if (in_main) {
425	my $time = Event::time;	602	my $time = AE::time;
426		603
427	# this is the main coro, too bad, we have to block	604	# this is the main coro, too bad, we have to block
428	# till the operation succeeds, freezing the server :/	605	# till the operation succeeds, freezing the server :/
429		606
430	# TODO: use suspend/resume instead	607	#LOG llevError, Carp::longmess "sync job";#d#
431	# (but this is cancel-safe)	608
432	my $freeze_guard = freeze_mainloop;	609	my $freeze_guard = freeze_mainloop;
433		610
434	my $busy = 1;	611	my $busy = 1;
435	my @res;	612	my @res;
436		613
437	(async {	614	(async {
		615	$Coro::current->desc ("sync job coro");
438	@res = eval { $job->() };	616	@res = eval { $job->() };
439	warn $@ if $@;	617	error $@ if $@;
440	undef $busy;	618	undef $busy;
441	})->prio (Coro::PRIO_MAX);	619	})->prio (Coro::PRIO_MAX);
442		620
443	while ($busy) {	621	while ($busy) {
444	Coro::cede or Event::one_event;	622	if (Coro::nready) {
		623	Coro::cede_notself;
		624	} else {
		625	EV::loop EV::LOOP_ONESHOT;
445	}	626	}
		627	}
446		628
447	$time = Event::time - $time;	629	my $time = AE::time - $time;
448		630
449	LOG llevError | logBacktrace, Carp::longmess "long sync job"
450	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
451
452	$tick_start += $time; # do not account sync jobs to server load	631	$TICK_START += $time; # do not account sync jobs to server load
453		632
454	wantarray ? @res : $res[0]	633	wantarray ? @res : $res[0]
455	} else {	634	} else {
456	# we are in another coroutine, how wonderful, everything just works	635	# we are in another coroutine, how wonderful, everything just works
457		636
…		…
477	$EXT_CORO{$coro+0} = $coro;	656	$EXT_CORO{$coro+0} = $coro;
478		657
479	$coro	658	$coro
480	}	659	}
481		660
482	=item fork_call { }, $args	661	=item fork_call { }, @args
483		662
484	Executes the given code block with the given arguments in a seperate	663	Executes the given code block with the given arguments in a seperate
485	process, returning the results. Everything must be serialisable with	664	process, returning the results. Everything must be serialisable with
486	Coro::Storable. May, of course, block. Note that the executed sub may	665	Coro::Storable. May, of course, block. Note that the executed sub may
487	never block itself or use any form of Event handling.	666	never block itself or use any form of event handling.
488		667
489	=cut	668	=cut
		669
		670	sub post_fork {
		671	reset_signals;
		672	}
490		673
491	sub fork_call(&@) {	674	sub fork_call(&@) {
492	my ($cb, @args) = @_;	675	my ($cb, @args) = @_;
493		676
494	# we seemingly have to make a local copy of the whole thing,	677	# we seemingly have to make a local copy of the whole thing,
495	# otherwise perl prematurely frees the stuff :/	678	# otherwise perl prematurely frees the stuff :/
496	# TODO: investigate and fix (likely this will be rather laborious)	679	# TODO: investigate and fix (likely this will be rather laborious)
497		680
498	my @res = Coro::Util::fork_eval {	681	my @res = Coro::Util::fork_eval {
499	reset_signals;	682	cf::post_fork;
500	&$cb	683	&$cb
501	}, @args;	684	} @args;
502		685
503	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
504	}	725	}
505		726
506	=item $value = cf::db_get $family => $key	727	=item $value = cf::db_get $family => $key
507		728
508	Returns a single value from the environment database.	729	Returns a single value from the environment database.
…		…
518	within each server.	739	within each server.
519		740
520	=cut	741	=cut
521		742
522	sub db_table($) {	743	sub db_table($) {
		744	cf::error "db_get called from main context"
		745	if $Coro::current == $Coro::main;
		746
523	my ($name) = @_;	747	my ($name) = @_;
524	my $db = BDB::db_create $DB_ENV;	748	my $db = BDB::db_create $DB_ENV;
525		749
526	eval {	750	eval {
527	$db->set_flags (BDB::CHKSUM);	751	$db->set_flags (BDB::CHKSUM);
…		…
537	}	761	}
538		762
539	our $DB;	763	our $DB;
540		764
541	sub db_init {	765	sub db_init {
542	cf::sync_job {
543	$DB ||= db_table "db";	766	$DB ||= db_table "db";
544	};
545	}	767	}
546		768
547	sub db_get($$) {	769	sub db_get($$) {
548	my $key = "$_[0]/$_[1]";	770	my $key = "$_[0]/$_[1]";
549		771
550	cf::sync_job {	772	cf::error "db_get called from main context"
		773	if $Coro::current == $Coro::main;
		774
551	BDB::db_get $DB, undef, $key, my $data;	775	BDB::db_get $DB, undef, $key, my $data;
552		776
553	$! ? ()	777	$! ? ()
554	: $data	778	: $data
555	}
556	}	779	}
557		780
558	sub db_put($$$) {	781	sub db_put($$$) {
559	BDB::dbreq_pri 4;	782	BDB::dbreq_pri 4;
560	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	783	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
588		811
589	my @data;	812	my @data;
590	my $md5;	813	my $md5;
591		814
592	for (0 .. $#$src) {	815	for (0 .. $#$src) {
593	0 <= aio_load $src->[$_], $data[$_]	816	$data[$_] = load_file $src->[$_];
594	or Carp::croak "$src->[$_]: $!";
595	}	817	}
596		818
597	# if processing is expensive, check	819	# if processing is expensive, check
598	# checksum first	820	# checksum first
599	if (1) {	821	if (1) {
…		…
616		838
617	my $t1 = Time::HiRes::time;	839	my $t1 = Time::HiRes::time;
618	my $data = $process->(\@data);	840	my $data = $process->(\@data);
619	my $t2 = Time::HiRes::time;	841	my $t2 = Time::HiRes::time;
620		842
621	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	843	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
622		844
623	db_put cache => "$id/data", $data;	845	db_put cache => "$id/data", $data;
624	db_put cache => "$id/md5" , $md5;	846	db_put cache => "$id/md5" , $md5;
625	db_put cache => "$id/meta", $meta;	847	db_put cache => "$id/meta", $meta;
626		848
…		…
636		858
637	=cut	859	=cut
638		860
639	sub datalog($@) {	861	sub datalog($@) {
640	my ($type, %kv) = @_;	862	my ($type, %kv) = @_;
641	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	863	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
642	}	864	}
643		865
644	=back	866	=back
645		867
646	=cut	868	=cut
647		869
648	#############################################################################	870	#############################################################################
649		871
650	=head2 ATTACHABLE OBJECTS	872	=head2 ATTACHABLE OBJECTS
651		873
652	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
653	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")
654	to it. All such attachable objects support the following methods.	876	to it. All such attachable objects support the following methods.
655		877
656	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>
657	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
658	Crossfire TRT).	880	Deliantra).
659		881
660	=over 4	882	=over 4
661		883
662	=item $attachable->attach ($attachment, key => $value...)	884	=item $attachable->attach ($attachment, key => $value...)
663		885
…		…
707	=item cf::CLASS::attachment $name, ...	929	=item cf::CLASS::attachment $name, ...
708		930
709	Register an attachment by C<$name> through which attachable objects of the	931	Register an attachment by C<$name> through which attachable objects of the
710	given CLASS can refer to this attachment.	932	given CLASS can refer to this attachment.
711		933
712	Some classes such as crossfire maps and objects can specify attachments	934	Some classes such as deliantra maps and objects can specify attachments
713	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.
714		936
715	These calls expect any number of the following handler/hook descriptions:	937	These calls expect any number of the following handler/hook descriptions:
716		938
717	=over 4	939	=over 4
…		…
841		1063
842	} elsif (exists $cb_id{$type}) {	1064	} elsif (exists $cb_id{$type}) {
843	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1065	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
844		1066
845	} elsif (ref $type) {	1067	} elsif (ref $type) {
846	warn "attaching objects not supported, ignoring.\n";	1068	error "attaching objects not supported, ignoring.\n";
847		1069
848	} else {	1070	} else {
849	shift @arg;	1071	shift @arg;
850	warn "attach argument '$type' not supported, ignoring.\n";	1072	error "attach argument '$type' not supported, ignoring.\n";
851	}	1073	}
852	}	1074	}
853	}	1075	}
854		1076
855	sub _object_attach {	1077	sub _object_attach {
…		…
865	_attach $registry, $klass, @attach;	1087	_attach $registry, $klass, @attach;
866	}	1088	}
867		1089
868	$obj->{$name} = \%arg;	1090	$obj->{$name} = \%arg;
869	} else {	1091	} else {
870	warn "object uses attachment '$name' which is not available, postponing.\n";	1092	info "object uses attachment '$name' which is not available, postponing.\n";
871	}	1093	}
872		1094
873	$obj->{_attachment}{$name} = undef;	1095	$obj->{_attachment}{$name} = undef;
874	}	1096	}
875		1097
…		…
934		1156
935	for (@$callbacks) {	1157	for (@$callbacks) {
936	eval { &{$_->[1]} };	1158	eval { &{$_->[1]} };
937		1159
938	if ($@) {	1160	if ($@) {
939	warn "$@";
940	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1161	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
941	override;	1162	override;
942	}	1163	}
943		1164
944	return 1 if $override;	1165	return 1 if $override;
945	}	1166	}
946		1167
947	0	1168	0
948	}	1169	}
949		1170
950	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1171	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
951		1172
952	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1173	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
953		1174
954	Generate an object-specific event with the given arguments.	1175	Generate an object-specific event with the given arguments.
955		1176
…		…
961		1182
962	=cut	1183	=cut
963		1184
964	#############################################################################	1185	#############################################################################
965	# object support	1186	# object support
966	#
967		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 $SLOW_MERGES;#d#
968	sub _can_merge {	1221	sub _can_merge {
969	my ($ob1, $ob2) = @_;	1222	my ($ob1, $ob2) = @_;
970		1223
971	local $Storable::canonical = 1;	1224	++$SLOW_MERGES;#d#
972	my $fob1 = Storable::freeze $ob1;
973	my $fob2 = Storable::freeze $ob2;
974		1225
975	$fob1 eq $fob2	1226	# we do the slow way here
		1227	return _object_equal $ob1, $ob2
976	}	1228	}
977		1229
978	sub reattach {	1230	sub reattach {
979	# basically do the same as instantiate, without calling instantiate	1231	# basically do the same as instantiate, without calling instantiate
980	my ($obj) = @_;	1232	my ($obj) = @_;
981		1233
		1234	# no longer needed after getting rid of delete_package?
982	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
983		1236
984	my $registry = $obj->registry;	1237	my $registry = $obj->registry;
985		1238
986	@$registry = ();	1239	@$registry = ();
987		1240
…		…
992	for (@$attach) {	1245	for (@$attach) {
993	my ($klass, @attach) = @$_;	1246	my ($klass, @attach) = @$_;
994	_attach $registry, $klass, @attach;	1247	_attach $registry, $klass, @attach;
995	}	1248	}
996	} else {	1249	} else {
997	warn "object uses attachment '$name' that is not available, postponing.\n";	1250	info "object uses attachment '$name' that is not available, postponing.\n";
998	}	1251	}
999	}	1252	}
1000	}	1253	}
1001		1254
1002	cf::attachable->attach (	1255	cf::attachable->attach (
1003	prio => -1000000,	1256	prio => -1000000,
1004	on_instantiate => sub {	1257	on_instantiate => sub {
1005	my ($obj, $data) = @_;	1258	my ($obj, $data) = @_;
1006		1259
1007	$data = from_json $data;	1260	$data = decode_json $data;
1008		1261
1009	for (@$data) {	1262	for (@$data) {
1010	my ($name, $args) = @$_;	1263	my ($name, $args) = @$_;
1011		1264
1012	$obj->attach ($name, %{$args || {} });	1265	$obj->attach ($name, %{$args || {} });
…		…
1029	my ($filename, $rdata, $objs) = @_;	1282	my ($filename, $rdata, $objs) = @_;
1030		1283
1031	sync_job {	1284	sync_job {
1032	if (length $$rdata) {	1285	if (length $$rdata) {
1033	utf8::decode (my $decname = $filename);	1286	utf8::decode (my $decname = $filename);
1034	warn sprintf "saving %s (%d,%d)\n",	1287	trace sprintf "saving %s (%d,%d)\n",
1035	$decname, length $$rdata, scalar @$objs;	1288	$decname, length $$rdata, scalar @$objs
		1289	if $VERBOSE_IO;
1036		1290
1037	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1291	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1038	chmod SAVE_MODE, $fh;	1292	aio_chmod $fh, SAVE_MODE;
1039	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1293	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1040	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	}
1041	close $fh;	1298	aio_close $fh;
1042		1299
1043	if (@$objs) {	1300	if (@$objs) {
1044	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) {
1045	chmod SAVE_MODE, $fh;	1302	aio_chmod $fh, SAVE_MODE;
1046	my $data = Storable::nfreeze { version => 1, objs => $objs };	1303	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1047	aio_write $fh, 0, (length $data), $data, 0;	1304	aio_write $fh, 0, (length $data), $data, 0;
1048	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	}
1049	close $fh;	1309	aio_close $fh;
1050	aio_rename "$filename.pst~", "$filename.pst";	1310	aio_rename "$filename.pst~", "$filename.pst";
1051	}	1311	}
1052	} else {	1312	} else {
1053	aio_unlink "$filename.pst";	1313	aio_unlink "$filename.pst";
1054	}	1314	}
1055		1315
1056	aio_rename "$filename~", $filename;	1316	aio_rename "$filename~", $filename;
		1317
		1318	$filename =~ s%/[^/]+$%%;
		1319	aio_pathsync $filename if $cf::USE_FSYNC;
1057	} else {	1320	} else {
1058	warn "FATAL: $filename~: $!\n";	1321	error "unable to save objects: $filename~: $!\n";
1059	}	1322	}
1060	} else {	1323	} else {
1061	aio_unlink $filename;	1324	aio_unlink $filename;
1062	aio_unlink "$filename.pst";	1325	aio_unlink "$filename.pst";
1063	}	1326	}
…		…
1082		1345
1083	unless (aio_stat "$filename.pst") {	1346	unless (aio_stat "$filename.pst") {
1084	(aio_load "$filename.pst", $av) >= 0	1347	(aio_load "$filename.pst", $av) >= 0
1085	or return;	1348	or return;
1086		1349
1087	$av = eval { (Storable::thaw $av)->{objs} };	1350	my $st = eval { Coro::Storable::thaw $av };
		1351	$av = $st->{objs};
1088	}	1352	}
1089		1353
1090	utf8::decode (my $decname = $filename);	1354	utf8::decode (my $decname = $filename);
1091	warn sprintf "loading %s (%d,%d)\n",	1355	trace sprintf "loading %s (%d,%d)\n",
1092	$decname, length $data, scalar @{$av || []};	1356	$decname, length $data, scalar @{$av || []}
		1357	if $VERBOSE_IO;
1093		1358
1094	($data, $av)	1359	($data, $av)
1095	}	1360	}
1096		1361
1097	=head2 COMMAND CALLBACKS	1362	=head2 COMMAND CALLBACKS
…		…
1153	my ($name, $cb) = @_;	1418	my ($name, $cb) = @_;
1154		1419
1155	$EXTICMD{$name} = $cb;	1420	$EXTICMD{$name} = $cb;
1156	}	1421	}
1157		1422
		1423	use File::Glob ();
		1424
1158	cf::player->attach (	1425	cf::player->attach (
1159	on_command => sub {	1426	on_unknown_command => sub {
1160	my ($pl, $name, $params) = @_;	1427	my ($pl, $name, $params) = @_;
1161		1428
1162	my $cb = $COMMAND{$name}	1429	my $cb = $COMMAND{$name}
1163	or return;	1430	or return;
1164		1431
…		…
1187		1454
1188	$pl->ext_reply ($reply, @reply)	1455	$pl->ext_reply ($reply, @reply)
1189	if $reply;	1456	if $reply;
1190		1457
1191	} else {	1458	} else {
1192	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1459	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1193	}	1460	}
1194		1461
1195	cf::override;	1462	cf::override;
1196	},	1463	},
1197	);	1464	);
1198		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
1199	sub load_extensions {	1479	sub load_extensions {
		1480	info "loading extensions...";
		1481
1200	cf::sync_job {	1482	cf::sync_job {
1201	my %todo;	1483	my %todo;
1202		1484
1203	for my $path (<$LIBDIR/*.ext>) {	1485	for my $path (<$LIBDIR/*.ext>) {
1204	next unless -r $path;	1486	next unless -r $path;
…		…
1222		1504
1223	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1505	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1224	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1506	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1225		1507
1226	$ext{source} =	1508	$ext{source} =
1227	"package $pkg; use strict; use utf8;\n"	1509	"package $pkg; use common::sense;\n"
1228	. "#line 1 \"$path\"\n{\n"	1510	. "#line 1 \"$path\"\n{\n"
1229	. $source	1511	. $source
1230	. "\n};\n1";	1512	. "\n};\n1";
1231		1513
1232	$todo{$base} = \%ext;	1514	$todo{$base} = \%ext;
1233	}	1515	}
1234		1516
		1517	my $pass = 0;
1235	my %done;	1518	my %done;
1236	while (%todo) {	1519	while (%todo) {
1237	my $progress;	1520	my $progress;
1238		1521
		1522	++$pass;
		1523
		1524	ext:
1239	while (my ($k, $v) = each %todo) {	1525	while (my ($k, $v) = each %todo) {
1240	for (split /,\s*/, $v->{meta}{depends}) {	1526	for (split /,\s*/, $v->{meta}{depends}) {
1241	goto skip	1527	next ext
1242	unless exists $done{$_};	1528	unless exists $done{$_};
1243	}	1529	}
1244		1530
1245	warn "... loading '$k' into '$v->{pkg}'\n";	1531	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1246		1532
1247	unless (eval $v->{source}) {	1533	my $active = eval $v->{source};
		1534
		1535	if (length $@) {
1248	my $msg = $@ ? "$v->{path}: $@\n"	1536	error "$v->{path}: $@\n";
1249	: "$v->{base}: extension inactive.\n";
1250		1537
		1538	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1251	if (exists $v->{meta}{mandatory}) {	1539	if exists $v->{meta}{mandatory};
1252	warn $msg;	1540
1253	warn "mandatory extension failed to load, exiting.\n";	1541	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1254	exit 1;	1542	delete $todo{$k};
1255	}	1543	} else {
1256		1544	$done{$k} = delete $todo{$k};
1257	warn $msg;	1545	push @EXTS, $v->{pkg};
		1546	$progress = 1;
		1547
		1548	info "$v->{base}: extension inactive.\n"
		1549	unless $active;
1258	}	1550	}
1259
1260	$done{$k} = delete $todo{$k};
1261	push @EXTS, $v->{pkg};
1262	$progress = 1;
1263	}	1551	}
1264		1552
1265	skip:	1553	unless ($progress) {
1266	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1554	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1267	unless $progress;	1555
		1556	while (my ($k, $v) = each %todo) {
		1557	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1558	if exists $v->{meta}{mandatory};
		1559	}
		1560
		1561	last;
		1562	}
1268	}	1563	}
1269	};	1564	};
1270	}	1565	}
1271		1566
1272	#############################################################################	1567	#############################################################################
1273		1568
1274	=back	1569	=back
1275		1570
1276	=head2 CORE EXTENSIONS	1571	=head2 CORE EXTENSIONS
1277		1572
1278	Functions and methods that extend core crossfire objects.	1573	Functions and methods that extend core deliantra objects.
1279		1574
1280	=cut	1575	=cut
1281		1576
1282	package cf::player;	1577	package cf::player;
1283		1578
…		…
1326		1621
1327	sub exists($) {	1622	sub exists($) {
1328	my ($login) = @_;	1623	my ($login) = @_;
1329		1624
1330	$cf::PLAYER{$login}	1625	$cf::PLAYER{$login}
1331	or cf::sync_job { !aio_stat path $login }	1626	or !aio_stat path $login
1332	}	1627	}
1333		1628
1334	sub find($) {	1629	sub find($) {
1335	return $cf::PLAYER{$_[0]} || do {	1630	return $cf::PLAYER{$_[0]} || do {
1336	my $login = $_[0];	1631	my $login = $_[0];
…		…
1348	my $f = new_from_file cf::object::thawer path $login	1643	my $f = new_from_file cf::object::thawer path $login
1349	or return;	1644	or return;
1350		1645
1351	my $pl = cf::player::load_pl $f	1646	my $pl = cf::player::load_pl $f
1352	or return;	1647	or return;
		1648
1353	local $cf::PLAYER_LOADING{$login} = $pl;	1649	local $cf::PLAYER_LOADING{$login} = $pl;
1354	$f->resolve_delayed_derefs;	1650	$f->resolve_delayed_derefs;
1355	$cf::PLAYER{$login} = $pl	1651	$cf::PLAYER{$login} = $pl
1356	}	1652	}
1357	}	1653	}
1358	}	1654	}
1359		1655
		1656	cf::player->attach (
		1657	on_load => sub {
		1658	my ($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
1360	sub save($) {	1669	sub save($) {
1361	my ($pl) = @_;	1670	my ($pl) = @_;
1362		1671
1363	return if $pl->{deny_save};	1672	return if $pl->{deny_save};
1364		1673
…		…
1367		1676
1368	return if $pl->{deny_save};	1677	return if $pl->{deny_save};
1369		1678
1370	aio_mkdir playerdir $pl, 0770;	1679	aio_mkdir playerdir $pl, 0770;
1371	$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];
1372		1686
1373	$pl->save_pl ($path);	1687	$pl->save_pl ($path);
1374	cf::cede_to_tick;	1688	cf::cede_to_tick;
1375	}	1689	}
1376		1690
…		…
1408	my ($pl) = @_;	1722	my ($pl) = @_;
1409		1723
1410	my $name = $pl->ob->name;	1724	my $name = $pl->ob->name;
1411		1725
1412	$pl->{deny_save} = 1;	1726	$pl->{deny_save} = 1;
1413	$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
1414		1728
1415	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1729	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1416	$pl->deactivate;	1730	$pl->deactivate;
		1731
		1732	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1417	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1733	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1734	ext::highscore::check ($pl->ob);
		1735
1418	$pl->ns->destroy if $pl->ns;	1736	$pl->ns->destroy if $pl->ns;
1419		1737
1420	my $path = playerdir $pl;	1738	my $path = playerdir $pl;
1421	my $temp = "$path~$cf::RUNTIME~deleting~";	1739	my $temp = "$path~$cf::RUNTIME~deleting~";
1422	aio_rename $path, $temp;	1740	aio_rename $path, $temp;
…		…
1460		1778
1461	for my $login (@$dirs) {	1779	for my $login (@$dirs) {
1462	my $path = path $login;	1780	my $path = path $login;
1463		1781
1464	# a .pst is a dead give-away for a valid player	1782	# a .pst is a dead give-away for a valid player
1465	unless (-e "$path.pst") {	1783	# if no pst file found, open and chekc for blocked users
		1784	if (aio_stat "$path.pst") {
1466	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1785	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1467	aio_read $fh, 0, 512, my $buf, 0 or next;	1786	aio_read $fh, 0, 512, my $buf, 0 or next;
1468	$buf !~ /^password -------------$/m or next; # official not-valid tag	1787	$buf !~ /^password -------------$/m or next; # official not-valid tag
1469	}	1788	}
1470		1789
…		…
1474		1793
1475	\@logins	1794	\@logins
1476	}	1795	}
1477		1796
1478	=item $player->maps	1797	=item $player->maps
		1798
		1799	=item cf::player::maps $login
1479		1800
1480	Returns an arrayref of map paths that are private for this	1801	Returns an arrayref of map paths that are private for this
1481	player. May block.	1802	player. May block.
1482		1803
1483	=cut	1804	=cut
…		…
1495	for (@$files) {	1816	for (@$files) {
1496	utf8::decode $_;	1817	utf8::decode $_;
1497	next if /\.(?:pl|pst)$/;	1818	next if /\.(?:pl|pst)$/;
1498	next unless /^$PATH_SEP/o;	1819	next unless /^$PATH_SEP/o;
1499		1820
1500	push @paths, cf::map::normalise "~$pl/$_";	1821	push @paths, cf::map::normalise "~$pl/$_", $pl->map;
1501	}	1822	}
1502		1823
1503	\@paths	1824	\@paths
1504	}	1825	}
1505		1826
1506	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1827	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1507		1828
1508	Expand crossfire pod fragments into protocol xml.	1829	Expand deliantra pod fragments into protocol xml.
1509
1510	=cut
1511
1512	sub expand_cfpod {
1513	((my $self), (local $_)) = @_;
1514
1515	# escape & and <
1516	s/&/&amp;/g;
1517	s/(?<![BIUGHT])</&lt;/g;
1518
1519	# this is buggy, it needs to properly take care of nested <'s
1520
1521	1 while
1522	# replace B<>, I<>, U<> etc.
1523	s/B<([^\>]*)>/<b>$1<\/b>/
1524	|| s/I<([^\>]*)>/<i>$1<\/i>/
1525	|| s/U<([^\>]*)>/<u>$1<\/u>/
1526	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1527	# replace G<male|female> tags
1528	|| s{G<([^>|]*)\|([^>]*)>}{
1529	$self->gender ? $2 : $1
1530	}ge
1531	# replace H<hint text>
1532	|| s{H<([^\>]*)>}
1533	{
1534	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1535	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1536	"")
1537	[$self->{hintmode}]
1538	}ge;
1539
1540	# create single paragraphs (very hackish)
1541	s/(?<=\S)\n(?=\w)/ /g;
1542
1543	# compress some whitespace
1544	s/\s+\n/\n/g; # ws line-ends
1545	s/\n\n+/\n/g; # double lines
1546	s/^\n+//; # beginning lines
1547	s/\n+$//; # ending lines
1548
1549	$_
1550	}
1551
1552	sub hintmode {
1553	$_[0]{hintmode} = $_[1] if @_ > 1;
1554	$_[0]{hintmode}
1555	}
1556		1830
1557	=item $player->ext_reply ($msgid, @msg)	1831	=item $player->ext_reply ($msgid, @msg)
1558		1832
1559	Sends an ext reply to the player.	1833	Sends an ext reply to the player.
1560		1834
…		…
1592		1866
1593	=cut	1867	=cut
1594		1868
1595	sub find_by_path($) {	1869	sub find_by_path($) {
1596	my ($path) = @_;	1870	my ($path) = @_;
		1871
		1872	$path =~ s/^~[^\/]*//; # skip ~login
1597		1873
1598	my ($match, $specificity);	1874	my ($match, $specificity);
1599		1875
1600	for my $region (list) {	1876	for my $region (list) {
1601	if ($region->{match} && $path =~ $region->{match}) {	1877	if ($region->{match} && $path =~ $region->{match}) {
…		…
1627	our $MAX_RESET = 3600;	1903	our $MAX_RESET = 3600;
1628	our $DEFAULT_RESET = 3000;	1904	our $DEFAULT_RESET = 3000;
1629		1905
1630	sub generate_random_map {	1906	sub generate_random_map {
1631	my ($self, $rmp) = @_;	1907	my ($self, $rmp) = @_;
1632	# mit "rum" bekleckern, nicht	1908
		1909	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1910
1633	$self->_create_random_map (	1911	$self->_create_random_map ($rmp);
1634	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1635	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1636	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1637	$rmp->{exit_on_final_map},
1638	$rmp->{xsize}, $rmp->{ysize},
1639	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1640	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1641	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1642	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1643	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1644	(cf::region::find $rmp->{region}), $rmp->{custom}
1645	)
1646	}	1912	}
1647		1913
1648	=item cf::map->register ($regex, $prio)	1914	=item cf::map->register ($regex, $prio)
1649		1915
1650	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
…		…
1655		1921
1656	sub register {	1922	sub register {
1657	my (undef, $regex, $prio) = @_;	1923	my (undef, $regex, $prio) = @_;
1658	my $pkg = caller;	1924	my $pkg = caller;
1659		1925
1660	no strict;
1661	push @{"$pkg\::ISA"}, __PACKAGE__;	1926	push @{"$pkg\::ISA"}, __PACKAGE__;
1662		1927
1663	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1928	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1664	}	1929	}
1665		1930
1666	# also paths starting with '/'	1931	# also paths starting with '/'
1667	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1932	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1668		1933
1669	sub thawer_merge {	1934	sub thawer_merge {
1670	my ($self, $merge) = @_;	1935	my ($self, $merge) = @_;
1671		1936
1672	# we have to keep some variables in memory intact	1937	# we have to keep some variables in memory intact
…		…
1677	}	1942	}
1678		1943
1679	sub normalise {	1944	sub normalise {
1680	my ($path, $base) = @_;	1945	my ($path, $base) = @_;
1681		1946
1682	$path = "$path"; # make sure its a string	1947	$path = "$path"; # make sure it's a string
1683		1948
1684	$path =~ s/\.map$//;	1949	$path =~ s/\.map$//;
1685		1950
1686	# map plan:	1951	# map plan:
1687	#	1952	#
…		…
1689	# {... are special paths that are not being touched	1954	# {... are special paths that are not being touched
1690	# ?xxx/... are special absolute paths	1955	# ?xxx/... are special absolute paths
1691	# ?random/... random maps	1956	# ?random/... random maps
1692	# /... normal maps	1957	# /... normal maps
1693	# ~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
1694		1960
1695	$path =~ s/$PATH_SEP/\//go;	1961	$path =~ s/$PATH_SEP/\//go;
1696		1962
1697	# treat it as relative path if it starts with	1963	# treat it as relative path if it starts with
1698	# something that looks reasonable	1964	# something that looks reasonable
1699	if ($path =~ m{^(?:\./|\.\./|\w)}) {	1965	if ($path =~ m{^(?:\./|\.\./|\w)}) {
1700	$base or Carp::carp "normalise called with relative path and no base: '$path'";	1966	$base or Carp::carp "normalise called with relative path and no base: '$path'";
1701		1967
1702	$base =~ s{[^/]+/?$}{};	1968	$base =~ s{[^/]+/?$}{};
1703	$path = "$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 $dpth;
1704	}	1984	}
1705		1985
1706	for ($path) {	1986	for ($path) {
1707	redo if s{//}{/};
1708	redo if s{/\.?/}{/};	1987	redo if s{/\.?/}{/};
1709	redo if s{/[^/]+/\.\./}{/};	1988	redo if s{/[^/]+/\.\./}{/};
1710	}	1989	}
1711		1990
1712	$path	1991	$path
…		…
1726	$self->init; # pass $1 etc.	2005	$self->init; # pass $1 etc.
1727	return $self;	2006	return $self;
1728	}	2007	}
1729	}	2008	}
1730		2009
1731	Carp::cluck "unable to resolve path '$path' (base '$base').";	2010	Carp::cluck "unable to resolve path '$path' (base '$base')";
1732	()	2011	()
1733	}	2012	}
1734		2013
		2014	# may re-bless or do other evil things
1735	sub init {	2015	sub init {
1736	my ($self) = @_;	2016	my ($self) = @_;
1737		2017
1738	$self	2018	$self
1739	}	2019	}
…		…
1758		2038
1759	# the temporary/swap location	2039	# the temporary/swap location
1760	sub save_path {	2040	sub save_path {
1761	my ($self) = @_;	2041	my ($self) = @_;
1762		2042
1763	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2043	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1764	"$TMPDIR/$path.map"	2044	"$TMPDIR/$path.map"
1765	}	2045	}
1766		2046
1767	# the unique path, undef == no special unique path	2047	# the unique path, undef == no special unique path
1768	sub uniq_path {	2048	sub uniq_path {
1769	my ($self) = @_;	2049	my ($self) = @_;
1770		2050
1771	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2051	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1772	"$UNIQUEDIR/$path"	2052	"$UNIQUEDIR/$path"
1773	}
1774
1775	# and all this just because we cannot iterate over
1776	# all maps in C++...
1777	sub change_all_map_light {
1778	my ($change) = @_;
1779
1780	$_->change_map_light ($change)
1781	for grep $_->outdoor, values %cf::MAP;
1782	}	2053	}
1783		2054
1784	sub decay_objects {	2055	sub decay_objects {
1785	my ($self) = @_;	2056	my ($self) = @_;
1786		2057
…		…
1868		2139
1869	sub find;	2140	sub find;
1870	sub find {	2141	sub find {
1871	my ($path, $origin) = @_;	2142	my ($path, $origin) = @_;
1872		2143
		2144	cf::cede_to_tick;
		2145
1873	$path = normalise $path, $origin && $origin->path;	2146	$path = normalise $path, $origin;
1874		2147
1875	cf::lock_wait "map_data:$path";#d#remove	2148	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1876	cf::lock_wait "map_find:$path";	2149	my $guard2 = cf::lock_acquire "map_find:$path";
1877		2150
1878	$cf::MAP{$path} || do {	2151	$cf::MAP{$path} || do {
1879	my $guard1 = cf::lock_acquire "map_find:$path";
1880	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1881
1882	my $map = new_from_path cf::map $path	2152	my $map = new_from_path cf::map $path
1883	or return;	2153	or return;
1884		2154
1885	$map->{last_save} = $cf::RUNTIME;	2155	$map->{last_save} = $cf::RUNTIME;
1886		2156
…		…
1888	or return;	2158	or return;
1889		2159
1890	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2160	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1891	# doing this can freeze the server in a sync job, obviously	2161	# doing this can freeze the server in a sync job, obviously
1892	#$cf::WAIT_FOR_TICK->wait;	2162	#$cf::WAIT_FOR_TICK->wait;
		2163	undef $guard2;
1893	undef $guard1;	2164	undef $guard1;
1894	undef $guard2;
1895	$map->reset;	2165	$map->reset;
1896	return find $path;	2166	return find $path;
1897	}	2167	}
1898		2168
1899	$cf::MAP{$path} = $map	2169	$cf::MAP{$path} = $map
1900	}	2170	}
1901	}	2171	}
1902		2172
1903	sub pre_load { }	2173	sub pre_load { }
1904	sub post_load { }	2174	#sub post_load { } # XS
1905		2175
1906	sub load {	2176	sub load {
1907	my ($self) = @_;	2177	my ($self) = @_;
1908		2178
1909	local $self->{deny_reset} = 1; # loading can take a long time	2179	local $self->{deny_reset} = 1; # loading can take a long time
…		…
1921	$self->alloc;	2191	$self->alloc;
1922		2192
1923	$self->pre_load;	2193	$self->pre_load;
1924	cf::cede_to_tick;	2194	cf::cede_to_tick;
1925		2195
		2196	if (exists $self->{load_path}) {
1926	my $f = new_from_file cf::object::thawer $self->{load_path};	2197	my $f = new_from_file cf::object::thawer $self->{load_path};
1927	$f->skip_block;	2198	$f->skip_block;
1928	$self->_load_objects ($f)	2199	$self->_load_objects ($f)
1929	or return;	2200	or return;
1930		2201
1931	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2202	$self->post_load_original
1932	if delete $self->{load_original};	2203	if delete $self->{load_original};
1933		2204
1934	if (my $uniq = $self->uniq_path) {	2205	if (my $uniq = $self->uniq_path) {
1935	utf8::encode $uniq;	2206	utf8::encode $uniq;
1936	unless (aio_stat $uniq) {	2207	unless (aio_stat $uniq) {
1937	if (my $f = new_from_file cf::object::thawer $uniq) {	2208	if (my $f = new_from_file cf::object::thawer $uniq) {
1938	$self->clear_unique_items;	2209	$self->clear_unique_items;
1939	$self->_load_objects ($f);	2210	$self->_load_objects ($f);
1940	$f->resolve_delayed_derefs;	2211	$f->resolve_delayed_derefs;
		2212	}
1941	}	2213	}
1942	}	2214	}
1943	}
1944		2215
1945	$f->resolve_delayed_derefs;	2216	$f->resolve_delayed_derefs;
		2217	}
1946		2218
1947	cf::cede_to_tick;	2219	cf::cede_to_tick;
1948	# now do the right thing for maps	2220	# now do the right thing for maps
1949	$self->link_multipart_objects;	2221	$self->link_multipart_objects;
1950	$self->difficulty ($self->estimate_difficulty)	2222	$self->difficulty ($self->estimate_difficulty)
…		…
1954	unless ($self->{deny_activate}) {	2226	unless ($self->{deny_activate}) {
1955	$self->decay_objects;	2227	$self->decay_objects;
1956	$self->fix_auto_apply;	2228	$self->fix_auto_apply;
1957	$self->update_buttons;	2229	$self->update_buttons;
1958	cf::cede_to_tick;	2230	cf::cede_to_tick;
1959	$self->set_darkness_map;
1960	cf::cede_to_tick;
1961	$self->activate;	2231	$self->activate;
1962	}	2232	}
1963		2233
1964	$self->{last_save} = $cf::RUNTIME;	2234	$self->{last_save} = $cf::RUNTIME;
1965	$self->last_access ($cf::RUNTIME);	2235	$self->last_access ($cf::RUNTIME);
1966		2236
1967	$self->in_memory (cf::MAP_IN_MEMORY);	2237	$self->in_memory (cf::MAP_ACTIVE);
1968	}	2238	}
1969		2239
1970	$self->post_load;	2240	$self->post_load;
1971	}
1972		2241
		2242	1
		2243	}
		2244
		2245	# customize the map for a given player, i.e.
		2246	# return the _real_ map. used by e.g. per-player
		2247	# maps to change the path to ~playername/mappath
1973	sub customise_for {	2248	sub customise_for {
1974	my ($self, $ob) = @_;	2249	my ($self, $ob) = @_;
1975		2250
1976	return find "~" . $ob->name . "/" . $self->{path}	2251	return find "~" . $ob->name . "/" . $self->{path}
1977	if $self->per_player;	2252	if $self->per_player;
…		…
1993	or next;	2268	or next;
1994	$neigh = find $neigh, $map	2269	$neigh = find $neigh, $map
1995	or next;	2270	or next;
1996	$neigh->load;	2271	$neigh->load;
1997		2272
		2273	# now find the diagonal neighbours
1998	push @neigh,	2274	push @neigh,
1999	[$neigh->tile_path (($_ + 3) % 4), $neigh],	2275	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2000	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2276	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2001	}	2277	}
2002		2278
…		…
2009	}	2285	}
2010		2286
2011	sub find_sync {	2287	sub find_sync {
2012	my ($path, $origin) = @_;	2288	my ($path, $origin) = @_;
2013		2289
2014	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, $origin
2015	}	2294	}
2016		2295
2017	sub do_load_sync {	2296	sub do_load_sync {
2018	my ($map) = @_;	2297	my ($map) = @_;
2019		2298
2020	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2299	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2021	if $Coro::current == $Coro::main;	2300	if $Coro::current == $Coro::main;
2022		2301
2023	cf::sync_job { $map->load };	2302	$map->load;
2024	}	2303	}
2025		2304
2026	our %MAP_PREFETCH;	2305	our %MAP_PREFETCH;
2027	our $MAP_PREFETCHER = undef;	2306	our $MAP_PREFETCHER = undef;
2028		2307
2029	sub find_async {	2308	sub find_async {
2030	my ($path, $origin, $load) = @_;	2309	my ($path, $origin, $load) = @_;
2031		2310
2032	$path = normalise $path, $origin && $origin->{path};	2311	$path = normalise $path, $origin;
2033		2312
2034	if (my $map = $cf::MAP{$path}) {	2313	if (my $map = $cf::MAP{$path}) {
2035	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2314	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2036	}	2315	}
2037		2316
2038	$MAP_PREFETCH{$path} |= $load;	2317	$MAP_PREFETCH{$path} |= $load;
2039		2318
2040	$MAP_PREFETCHER ||= cf::async {	2319	$MAP_PREFETCHER ||= cf::async {
		2320	$Coro::current->{desc} = "map prefetcher";
		2321
2041	while (%MAP_PREFETCH) {	2322	while (%MAP_PREFETCH) {
2042	while (my ($k, $v) = each %MAP_PREFETCH) {	2323	while (my ($k, $v) = each %MAP_PREFETCH) {
2043	if (my $map = find $k) {	2324	if (my $map = find $k) {
2044	$map->load if $v;	2325	$map->load if $v;
2045	}	2326	}
…		…
2052	$MAP_PREFETCHER->prio (6);	2333	$MAP_PREFETCHER->prio (6);
2053		2334
2054	()	2335	()
2055	}	2336	}
2056		2337
		2338	# common code, used by both ->save and ->swapout
2057	sub save {	2339	sub _save {
2058	my ($self) = @_;	2340	my ($self) = @_;
2059
2060	my $lock = cf::lock_acquire "map_data:$self->{path}";
2061		2341
2062	$self->{last_save} = $cf::RUNTIME;	2342	$self->{last_save} = $cf::RUNTIME;
2063		2343
2064	return unless $self->dirty;	2344	return unless $self->dirty;
2065		2345
…		…
2071	return if $self->{deny_save};	2351	return if $self->{deny_save};
2072		2352
2073	local $self->{last_access} = $self->last_access;#d#	2353	local $self->{last_access} = $self->last_access;#d#
2074		2354
2075	cf::async {	2355	cf::async {
		2356	$Coro::current->{desc} = "map player save";
2076	$_->contr->save for $self->players;	2357	$_->contr->save for $self->players;
2077	};	2358	};
		2359
		2360	cf::get_slot 0.02;
2078		2361
2079	if ($uniq) {	2362	if ($uniq) {
2080	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2363	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2081	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2364	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2082	} else {	2365	} else {
2083	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2366	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2084	}	2367	}
2085	}	2368	}
2086		2369
		2370	sub save {
		2371	my ($self) = @_;
		2372
		2373	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2374
		2375	$self->_save;
		2376	}
		2377
2087	sub swap_out {	2378	sub swap_out {
2088	my ($self) = @_;	2379	my ($self) = @_;
2089		2380
2090	# save first because save cedes
2091	$self->save;
2092
2093	my $lock = cf::lock_acquire "map_data:$self->{path}";	2381	my $lock = cf::lock_acquire "map_data:$self->{path}";
2094		2382
		2383	return if $self->in_memory != cf::MAP_ACTIVE;
		2384	return if $self->{deny_save};
2095	return if $self->players;	2385	return if $self->players;
2096	return if $self->in_memory != cf::MAP_IN_MEMORY;
2097	return if $self->{deny_save};
2098		2386
		2387	# first deactivate the map and "unlink" it from the core
		2388	$self->deactivate;
		2389	$_->clear_links_to ($self) for values %cf::MAP;
2099	$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};
2100		2437
2101	$self->deactivate;	2438	$self->deactivate;
2102	$_->clear_links_to ($self) for values %cf::MAP;	2439	$_->clear_links_to ($self) for values %cf::MAP;
2103	$self->clear;	2440	$self->clear;
2104	}
2105
2106	sub reset_at {
2107	my ($self) = @_;
2108
2109	# TODO: safety, remove and allow resettable per-player maps
2110	return 1e99 if $self->{deny_reset};
2111
2112	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2113	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2114
2115	$time + $to
2116	}
2117
2118	sub should_reset {
2119	my ($self) = @_;
2120
2121	$self->reset_at <= $cf::RUNTIME
2122	}
2123
2124	sub reset {
2125	my ($self) = @_;
2126
2127	my $lock = cf::lock_acquire "map_data:$self->{path}";
2128
2129	return if $self->players;
2130
2131	warn "resetting map ", $self->path;
2132
2133	$self->in_memory (cf::MAP_SWAPPED);
2134
2135	# need to save uniques path
2136	unless ($self->{deny_save}) {
2137	my $uniq = $self->uniq_path; utf8::encode $uniq;
2138
2139	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2140	if $uniq;
2141	}
2142
2143	delete $cf::MAP{$self->path};
2144
2145	$self->deactivate;
2146	$_->clear_links_to ($self) for values %cf::MAP;
2147	$self->clear;
2148		2441
2149	$self->unlink_save;	2442	$self->unlink_save;
2150	$self->destroy;	2443	$self->destroy;
2151	}	2444	}
2152		2445
…		…
2160		2453
2161	delete $cf::MAP{$self->path};	2454	delete $cf::MAP{$self->path};
2162		2455
2163	$self->unlink_save;	2456	$self->unlink_save;
2164		2457
2165	bless $self, "cf::map";	2458	bless $self, "cf::map::wrap";
2166	delete $self->{deny_reset};	2459	delete $self->{deny_reset};
2167	$self->{deny_save} = 1;	2460	$self->{deny_save} = 1;
2168	$self->reset_timeout (1);	2461	$self->reset_timeout (1);
2169	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2462	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2170		2463
…		…
2219		2512
2220	sub unique_maps() {	2513	sub unique_maps() {
2221	[	2514	[
2222	map {	2515	map {
2223	utf8::decode $_;	2516	utf8::decode $_;
2224	/\.map$/	2517	s/\.map$//; # TODO future compatibility hack
		2518	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2519	? ()
2225	? normalise $_	2520	: normalise $_
2226	: ()
2227	} @{ aio_readdir $UNIQUEDIR or [] }	2521	} @{ aio_readdir $UNIQUEDIR or [] }
2228	]	2522	]
2229	}	2523	}
2230		2524
2231	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	}
2232		2556
2233	=back	2557	=back
2234		2558
2235	=head3 cf::object	2559	=head3 cf::object
2236		2560
…		…
2240		2564
2241	=over 4	2565	=over 4
2242		2566
2243	=item $ob->inv_recursive	2567	=item $ob->inv_recursive
2244		2568
2245	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.
2246		2571
2247	=cut	2572	=cut
2248		2573
2249	sub inv_recursive_;	2574	sub inv_recursive_;
2250	sub inv_recursive_ {	2575	sub inv_recursive_ {
…		…
2255	inv_recursive_ inv $_[0]	2580	inv_recursive_ inv $_[0]
2256	}	2581	}
2257		2582
2258	=item $ref = $ob->ref	2583	=item $ref = $ob->ref
2259		2584
2260	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.
2261		2586
2262	=item $ob = cf::object::deref ($refstring)	2587	=item $ob = cf::object::deref ($refstring)
2263		2588
2264	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,
2265	even if the object actually exists. May block.	2590	even if the object actually exists. May block.
…		…
2267	=cut	2592	=cut
2268		2593
2269	sub deref {	2594	sub deref {
2270	my ($ref) = @_;	2595	my ($ref) = @_;
2271		2596
2272	# temporary compatibility#TODO#remove
2273	$ref =~ s{^<}{player/<};
2274
2275	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {	2597	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2276	my ($uuid, $name) = ($1, $2);	2598	my ($uuid, $name) = ($1, $2);
2277	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name	2599	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2278	or return;	2600	or return;
2279	$pl->ob->uuid eq $uuid	2601	$pl->ob->uuid eq $uuid
2280	or return;	2602	or return;
…		…
2300	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
2301	dialogue with the given NPC character.	2623	dialogue with the given NPC character.
2302		2624
2303	=cut	2625	=cut
2304		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
2305	# rough implementation of a future "reply" method that works	2641	# rough implementation of a future "reply" method that works
2306	# with dialog boxes.	2642	# with dialog boxes.
2307	#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
2308	sub cf::object::player::reply($$$;$) {	2644	sub cf::object::player::reply($$$;$) {
2309	my ($self, $npc, $msg, $flags) = @_;	2645	my ($self, $npc, $msg, $flags) = @_;
…		…
2320	my $dialog = $pl->{npc_dialog};	2656	my $dialog = $pl->{npc_dialog};
2321	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2657	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2322		2658
2323	} else {	2659	} else {
2324	$msg = $npc->name . " says: $msg" if $npc;	2660	$msg = $npc->name . " says: $msg" if $npc;
2325	$self->message ($msg, $flags);	2661	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2326	}	2662	}
2327	}	2663	}
2328	}	2664	}
2329		2665
2330	=item $object->send_msg ($channel, $msg, $color, [extra...])	2666	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2355		2691
2356	=item $player_object->enter_link	2692	=item $player_object->enter_link
2357		2693
2358	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}>).
2359		2695
2360	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.
2361	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.
2362		2700
2363	Will never block.	2701	Will never block.
2364		2702
2365	=item $player_object->leave_link ($map, $x, $y)	2703	=item $player_object->leave_link ($map, $x, $y)
2366		2704
…		…
2386	sub cf::object::player::enter_link {	2724	sub cf::object::player::enter_link {
2387	my ($self) = @_;	2725	my ($self) = @_;
2388		2726
2389	$self->deactivate_recursive;	2727	$self->deactivate_recursive;
2390		2728
		2729	++$self->{_link_recursion};
		2730
2391	return if UNIVERSAL::isa $self->map, "ext::map_link";	2731	return if UNIVERSAL::isa $self->map, "ext::map_link";
2392		2732
2393	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2733	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2394	if $self->map && $self->map->{path} ne "{link}";	2734	if $self->map && $self->map->{path} ne "{link}";
2395		2735
2396	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2736	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2397	}	2737	}
2398		2738
2399	sub cf::object::player::leave_link {	2739	sub cf::object::player::leave_link {
2400	my ($self, $map, $x, $y) = @_;	2740	my ($self, $map, $x, $y) = @_;
2401		2741
…		…
2418	($x, $y) = (-1, -1)	2758	($x, $y) = (-1, -1)
2419	unless (defined $x) && (defined $y);	2759	unless (defined $x) && (defined $y);
2420		2760
2421	# use -1 or undef as default coordinates, not 0, 0	2761	# use -1 or undef as default coordinates, not 0, 0
2422	($x, $y) = ($map->enter_x, $map->enter_y)	2762	($x, $y) = ($map->enter_x, $map->enter_y)
2423	if $x <=0 && $y <= 0;	2763	if $x <= 0 && $y <= 0;
2424		2764
2425	$map->load;	2765	$map->load;
2426	$map->load_neighbours;	2766	$map->load_neighbours;
2427		2767
2428	return unless $self->contr->active;	2768	return unless $self->contr->active;
2429	$self->activate_recursive;
2430		2769
2431	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2770	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2432	$self->enter_map ($map, $x, $y);	2771	if ($self->enter_map ($map, $x, $y)) {
2433	}	2772	# entering was successful
		2773	delete $self->{_link_recursion};
		2774	# only activate afterwards, to support waiting in hooks
		2775	$self->activate_recursive;
		2776	}
2434		2777
		2778	}
		2779
2435	=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)]])
2436		2781
2437	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
2438	her, loading and preparing them map, calling the provided $check callback	2783	her, loading and preparing them map, calling the provided $check callback
2439	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
2440	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
2441	be called at the end of this process.	2786	be called at the end of this process.
2442		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
2443	=cut	2791	=cut
2444		2792
2445	our $GOTOGEN;	2793	our $GOTOGEN;
2446		2794
2447	sub cf::object::player::goto {	2795	sub cf::object::player::goto {
2448	my ($self, $path, $x, $y, $check, $done) = @_;	2796	my ($self, $path, $x, $y, $check, $done) = @_;
2449		2797
		2798	if ($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	}
		2803
2450	# 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
2451	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2805	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2452		2806
2453	$self->enter_link;	2807	$self->enter_link;
2454		2808
2455	(async {	2809	(async {
		2810	$Coro::current->{desc} = "player::goto $path $x $y";
		2811
2456	# *tag paths override both path and x|y	2812	# *tag paths override both path and x|y
2457	if ($path =~ /^\*(.*)$/) {	2813	if ($path =~ /^\*(.*)$/) {
2458	if (my @obs = grep $_->map, ext::map_tags::find $1) {	2814	if (my @obs = grep $_->map, ext::map_tags::find $1) {
2459	my $ob = $obs[rand @obs];	2815	my $ob = $obs[rand @obs];
2460		2816
…		…
2471	($path, $x, $y) = (undef, undef, undef);	2827	($path, $x, $y) = (undef, undef, undef);
2472	}	2828	}
2473	}	2829	}
2474		2830
2475	my $map = eval {	2831	my $map = eval {
2476	my $map = defined $path ? cf::map::find $path : undef;	2832	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2477		2833
2478	if ($map) {	2834	if ($map) {
2479	$map = $map->customise_for ($self);	2835	$map = $map->customise_for ($self);
2480	$map = $check->($map) if $check && $map;	2836	$map = $check->($map, $x, $y, $self) if $check && $map;
2481	} else {	2837	} else {
2482	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2838	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2483	}	2839	}
2484		2840
2485	$map	2841	$map
…		…
2493	if ($gen == $self->{_goto_generation}) {	2849	if ($gen == $self->{_goto_generation}) {
2494	delete $self->{_goto_generation};	2850	delete $self->{_goto_generation};
2495	$self->leave_link ($map, $x, $y);	2851	$self->leave_link ($map, $x, $y);
2496	}	2852	}
2497		2853
2498	$done->() if $done;	2854	$done->($self) if $done;
2499	})->prio (1);	2855	})->prio (1);
2500	}	2856	}
2501		2857
2502	=item $player_object->enter_exit ($exit_object)	2858	=item $player_object->enter_exit ($exit_object)
2503		2859
…		…
2523	}	2879	}
2524		2880
2525	sub prepare_random_map {	2881	sub prepare_random_map {
2526	my ($exit) = @_;	2882	my ($exit) = @_;
2527		2883
2528	my $guard = cf::lock_acquire "exit_prepare:$exit";
2529
2530	# all this does is basically replace the /! path by	2884	# all this does is basically replace the /! path by
2531	# a new random map path (?random/...) with a seed	2885	# a new random map path (?random/...) with a seed
2532	# that depends on the exit object	2886	# that depends on the exit object
2533		2887
2534	my $rmp = parse_random_map_params $exit->msg;	2888	my $rmp = parse_random_map_params $exit->msg;
…		…
2536	if ($exit->map) {	2890	if ($exit->map) {
2537	$rmp->{region} = $exit->region->name;	2891	$rmp->{region} = $exit->region->name;
2538	$rmp->{origin_map} = $exit->map->path;	2892	$rmp->{origin_map} = $exit->map->path;
2539	$rmp->{origin_x} = $exit->x;	2893	$rmp->{origin_x} = $exit->x;
2540	$rmp->{origin_y} = $exit->y;	2894	$rmp->{origin_y} = $exit->y;
		2895
		2896	$exit->map->touch;
2541	}	2897	}
2542		2898
2543	$rmp->{random_seed} ||= $exit->random_seed;	2899	$rmp->{random_seed} ||= $exit->random_seed;
2544		2900
2545	my $data = cf::to_json $rmp;	2901	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2546	my $md5 = Digest::MD5::md5_hex $data;	2902	my $md5 = Digest::MD5::md5_hex $data;
2547	my $meta = "$RANDOMDIR/$md5.meta";	2903	my $meta = "$RANDOMDIR/$md5.meta";
2548		2904
2549	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2905	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2550	aio_write $fh, 0, (length $data), $data, 0;	2906	aio_write $fh, 0, (length $data), $data, 0;
2551	undef $fh;	2907	undef $fh;
2552	aio_rename "$meta~", $meta;	2908	aio_rename "$meta~", $meta;
2553		2909
		2910	my $slaying = "?random/$md5";
		2911
		2912	if ($exit->valid) {
2554	$exit->slaying ("?random/$md5");	2913	$exit->slaying ("?random/$md5");
2555	$exit->msg (undef);	2914	$exit->msg (undef);
		2915	}
2556	}	2916	}
2557	}	2917	}
2558		2918
2559	sub cf::object::player::enter_exit {	2919	sub cf::object::player::enter_exit {
2560	my ($self, $exit) = @_;	2920	my ($self, $exit) = @_;
2561		2921
2562	return unless $self->type == cf::PLAYER;	2922	return unless $self->type == cf::PLAYER;
2563		2923
2564	if ($exit->slaying eq "/!") {
2565	#TODO: this should de-fi-ni-te-ly not be a sync-job
2566	# the problem is that $exit might not survive long enough
2567	# so it needs to be done right now, right here
2568	cf::sync_job { prepare_random_map $exit };
2569	}
2570
2571	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2572	my $hp = $exit->stats->hp;
2573	my $sp = $exit->stats->sp;
2574
2575	$self->enter_link;	2924	$self->enter_link;
2576		2925
2577	# if exit is damned, update players death & WoR home-position
2578	$self->contr->savebed ($slaying, $hp, $sp)
2579	if $exit->flag (FLAG_DAMNED);
2580
2581	(async {	2926	(async {
2582	$self->deactivate_recursive; # just to be sure	2927	$Coro::current->{desc} = "enter_exit";
		2928
2583	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
2584	$self->goto ($slaying, $hp, $sp);	2944	$self->goto ($map, $x, $y);
2585		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
2586	1;	2950	1
2587	}) {	2951	}) {
2588	$self->message ("Something went wrong deep within the crossfire server. "	2952	$self->message ("Something went wrong deep within the deliantra server. "
2589	. "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. "
2590	. "Please report this to the dungeon master!",	2954	. "Please report this to the dungeon master!",
2591	cf::NDI_UNIQUE | cf::NDI_RED);	2955	cf::NDI_UNIQUE | cf::NDI_RED);
2592		2956
2593	warn "ERROR in enter_exit: $@";	2957	error "ERROR in enter_exit: $@";
2594	$self->leave_link;	2958	$self->leave_link;
2595	}	2959	}
2596	})->prio (1);	2960	})->prio (1);
2597	}	2961	}
2598		2962
…		…
2610	sub cf::client::send_drawinfo {	2974	sub cf::client::send_drawinfo {
2611	my ($self, $text, $flags) = @_;	2975	my ($self, $text, $flags) = @_;
2612		2976
2613	utf8::encode $text;	2977	utf8::encode $text;
2614	$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);
2615	}	3004	}
2616		3005
2617	=item $client->send_msg ($channel, $msg, $color, [extra...])	3006	=item $client->send_msg ($channel, $msg, $color, [extra...])
2618		3007
2619	Send a drawinfo or msg packet to the client, formatting the msg for the	3008	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2621	the message, with C<log> being the default. If C<$color> is negative, suppress	3010	the message, with C<log> being the default. If C<$color> is negative, suppress
2622	the message unless the client supports the msg packet.	3011	the message unless the client supports the msg packet.
2623		3012
2624	=cut	3013	=cut
2625		3014
		3015	# non-persistent channels (usually the info channel)
2626	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	},
2627	"c/identify" => {	3023	"c/identify" => {
2628	id => "identify",	3024	id => "infobox",
2629	title => "Identify",	3025	title => "Identify",
2630	reply => undef,	3026	reply => undef,
2631	tooltip => "Items recently identified",	3027	tooltip => "Items recently identified",
2632	},	3028	},
2633	"c/examine" => {	3029	"c/examine" => {
2634	id => "examine",	3030	id => "infobox",
2635	title => "Examine",	3031	title => "Examine",
2636	reply => undef,	3032	reply => undef,
2637	tooltip => "Signs and other items you examined",	3033	tooltip => "Signs and other items you examined",
2638	},	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	},
		3047	"c/lookat" => {
		3048	id => "infobox",
		3049	title => "Look",
		3050	reply => undef,
		3051	tooltip => "What you saw there",
		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" => $CHAT_CHANNEL,
2639	);	3127	);
2640		3128
2641	sub cf::client::send_msg {	3129	sub cf::client::send_msg {
2642	my ($self, $channel, $msg, $color, @extra) = @_;	3130	my ($self, $channel, $msg, $color, @extra) = @_;
2643		3131
2644	$msg = $self->pl->expand_cfpod ($msg);	3132	$msg = $self->pl->expand_cfpod ($msg)
		3133	unless $color & cf::NDI_VERBATIM;
2645		3134
2646	$color &= cf::NDI_CLIENT_MASK; # just in case...	3135	$color &= cf::NDI_CLIENT_MASK; # just in case...
2647		3136
2648	# check predefined channels, for the benefit of C	3137	# check predefined channels, for the benefit of C
2649	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};	3138	if ($CHANNEL{$channel}) {
		3139	$channel = $CHANNEL{$channel};
2650		3140
		3141	$self->ext_msg (channel_info => $channel);
		3142	$channel = $channel->{id};
		3143
2651	if (ref $channel) {	3144	} elsif (ref $channel) {
2652	# send meta info to client, if not yet sent	3145	# send meta info to client, if not yet sent
2653	unless (exists $self->{channel}{$channel->{id}}) {	3146	unless (exists $self->{channel}{$channel->{id}}) {
2654	$self->{channel}{$channel->{id}} = $channel;	3147	$self->{channel}{$channel->{id}} = $channel;
2655	$self->ext_msg (channel_info => $channel)	3148	$self->ext_msg (channel_info => $channel);
2656	if $self->can_msg;
2657	}	3149	}
2658		3150
2659	$channel = $channel->{id};	3151	$channel = $channel->{id};
2660	}	3152	}
2661		3153
2662	return unless @extra || length $msg;	3154	return unless @extra || length $msg;
2663		3155
2664	if ($self->can_msg) {
2665	# default colour, mask it out	3156	# default colour, mask it out
2666	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3157	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2667	if $color & cf::NDI_DEF;	3158	if $color & cf::NDI_DEF;
2668		3159
2669	$self->send_packet ("msg " . $self->{json_coder}->encode (	3160	my $pkt = "msg "
		3161	. $self->{json_coder}->encode (
2670	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3162	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2671	} else {	3163	);
2672	if ($color >= 0) {
2673	# replace some tags by gcfclient-compatible ones
2674	for ($msg) {
2675	1 while
2676	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2677	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2678	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2679	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2680	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2681	}
2682		3164
2683	$color &= cf::NDI_COLOR_MASK;	3165	$self->send_big_packet ($pkt);
2684
2685	utf8::encode $msg;
2686
2687	if (0 && $msg =~ /\[/) {
2688	# COMMAND/INFO
2689	$self->send_packet ("drawextinfo $color 10 8 $msg")
2690	} else {
2691	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2692	$self->send_packet ("drawinfo $color $msg")
2693	}
2694	}
2695	}
2696	}	3166	}
2697		3167
2698	=item $client->ext_msg ($type, @msg)	3168	=item $client->ext_msg ($type, @msg)
2699		3169
2700	Sends an ext event to the client.	3170	Sends an ext event to the client.
…		…
2703		3173
2704	sub cf::client::ext_msg($$@) {	3174	sub cf::client::ext_msg($$@) {
2705	my ($self, $type, @msg) = @_;	3175	my ($self, $type, @msg) = @_;
2706		3176
2707	if ($self->extcmd == 2) {	3177	if ($self->extcmd == 2) {
2708	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3178	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2709	} elsif ($self->extcmd == 1) { # TODO: remove	3179	} elsif ($self->extcmd == 1) { # TODO: remove
2710	push @msg, msgtype => "event_$type";	3180	push @msg, msgtype => "event_$type";
2711	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3181	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2712	}	3182	}
2713	}	3183	}
2714		3184
2715	=item $client->ext_reply ($msgid, @msg)	3185	=item $client->ext_reply ($msgid, @msg)
2716		3186
…		…
2720		3190
2721	sub cf::client::ext_reply($$@) {	3191	sub cf::client::ext_reply($$@) {
2722	my ($self, $id, @msg) = @_;	3192	my ($self, $id, @msg) = @_;
2723		3193
2724	if ($self->extcmd == 2) {	3194	if ($self->extcmd == 2) {
2725	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3195	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2726	} elsif ($self->extcmd == 1) {	3196	} elsif ($self->extcmd == 1) {
2727	#TODO: version 1, remove	3197	#TODO: version 1, remove
2728	unshift @msg, msgtype => "reply", msgid => $id;	3198	unshift @msg, msgtype => "reply", msgid => $id;
2729	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3199	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2730	}	3200	}
2731	}	3201	}
2732		3202
2733	=item $success = $client->query ($flags, "text", \&cb)	3203	=item $success = $client->query ($flags, "text", \&cb)
2734		3204
…		…
2805		3275
2806	$ns->ext_reply ($reply, @reply)	3276	$ns->ext_reply ($reply, @reply)
2807	if $reply;	3277	if $reply;
2808		3278
2809	} else {	3279	} else {
2810	warn "client " . ($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";
2811	}	3281	}
2812		3282
2813	cf::override;	3283	cf::override;
2814	},	3284	},
2815	);	3285	);
…		…
2835		3305
2836	$coro	3306	$coro
2837	}	3307	}
2838		3308
2839	cf::client->attach (	3309	cf::client->attach (
2840	on_destroy => sub {	3310	on_client_destroy => sub {
2841	my ($ns) = @_;	3311	my ($ns) = @_;
2842		3312
2843	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3313	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2844	},	3314	},
2845	);	3315	);
…		…
2861	our $safe_hole = new Safe::Hole;	3331	our $safe_hole = new Safe::Hole;
2862		3332
2863	$SIG{FPE} = 'IGNORE';	3333	$SIG{FPE} = 'IGNORE';
2864		3334
2865	$safe->permit_only (Opcode::opset qw(	3335	$safe->permit_only (Opcode::opset qw(
2866	:base_core :base_mem :base_orig :base_math	3336	:base_core :base_mem :base_orig :base_math :base_loop
2867	grepstart grepwhile mapstart mapwhile	3337	grepstart grepwhile mapstart mapwhile
2868	sort time	3338	sort time
2869	));	3339	));
2870		3340
2871	# here we export the classes and methods available to script code	3341	# here we export the classes and methods available to script code
…		…
2873	=pod	3343	=pod
2874		3344
2875	The following functions and methods are available within a safe environment:	3345	The following functions and methods are available within a safe environment:
2876		3346
2877	cf::object	3347	cf::object
2878	contr pay_amount pay_player map x y force_find force_add	3348	contr pay_amount pay_player map x y force_find force_add destroy
2879	insert remove name archname title slaying race decrease_ob_nr	3349	insert remove name archname title slaying race decrease split
		3350	value
2880		3351
2881	cf::object::player	3352	cf::object::player
2882	player	3353	player
2883		3354
2884	cf::player	3355	cf::player
…		…
2889		3360
2890	=cut	3361	=cut
2891		3362
2892	for (	3363	for (
2893	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3364	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2894	insert remove inv name archname title slaying race	3365	insert remove inv nrof name archname title slaying race
2895	decrease_ob_nr)],	3366	decrease split destroy change_exp value msg lore send_msg)],
2896	["cf::object::player" => qw(player)],	3367	["cf::object::player" => qw(player)],
2897	["cf::player" => qw(peaceful)],	3368	["cf::player" => qw(peaceful send_msg)],
2898	["cf::map" => qw(trigger)],	3369	["cf::map" => qw(trigger)],
2899	) {	3370	) {
2900	no strict 'refs';
2901	my ($pkg, @funs) = @$_;	3371	my ($pkg, @funs) = @$_;
2902	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3372	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2903	for @funs;	3373	for @funs;
2904	}	3374	}
2905		3375
…		…
2920		3390
2921	my $qcode = $code;	3391	my $qcode = $code;
2922	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3392	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2923	$qcode =~ s/\n/\\n/g;	3393	$qcode =~ s/\n/\\n/g;
2924		3394
		3395	%vars = (_dummy => 0) unless %vars;
		3396
		3397	my @res;
2925	local $_;	3398	local $_;
2926	local @safe::cf::_safe_eval_args = values %vars;
2927		3399
2928	my $eval =	3400	my $eval =
2929	"do {\n"	3401	"do {\n"
2930	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3402	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2931	. "#line 0 \"{$qcode}\"\n"	3403	. "#line 0 \"{$qcode}\"\n"
2932	. $code	3404	. $code
2933	. "\n}"	3405	. "\n}"
2934	;	3406	;
2935		3407
		3408	if ($CFG{safe_eval}) {
2936	sub_generation_inc;	3409	sub_generation_inc;
		3410	local @safe::cf::_safe_eval_args = values %vars;
2937	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3411	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2938	sub_generation_inc;	3412	sub_generation_inc;
		3413	} else {
		3414	local @cf::_safe_eval_args = values %vars;
		3415	@res = wantarray ? eval eval : scalar eval $eval;
		3416	}
2939		3417
2940	if ($@) {	3418	if ($@) {
2941	warn "$@";	3419	warn "$@",
2942	warn "while executing safe code '$code'\n";	3420	"while executing safe code '$code'\n",
2943	warn "with arguments " . (join " ", %vars) . "\n";	3421	"with arguments " . (join " ", %vars) . "\n";
2944	}	3422	}
2945		3423
2946	wantarray ? @res : $res[0]	3424	wantarray ? @res : $res[0]
2947	}	3425	}
2948		3426
…		…
2962	=cut	3440	=cut
2963		3441
2964	sub register_script_function {	3442	sub register_script_function {
2965	my ($fun, $cb) = @_;	3443	my ($fun, $cb) = @_;
2966		3444
2967	no strict 'refs';	3445	$fun = "safe::$fun" if $CFG{safe_eval};
2968	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3446	*$fun = $safe_hole->wrap ($cb);
2969	}	3447	}
2970		3448
2971	=back	3449	=back
2972		3450
2973	=cut	3451	=cut
…		…
2982	# for this (global event?)	3460	# for this (global event?)
2983	%ext::player_env::MUSIC_FACE_CACHE = ();	3461	%ext::player_env::MUSIC_FACE_CACHE = ();
2984		3462
2985	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3463	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2986		3464
2987	warn "loading facedata from $path\n";	3465	trace "loading facedata from $path\n";
2988		3466
2989	my $facedata;	3467	my $facedata = decode_storable load_file $path;
2990	0 < aio_load $path, $facedata
2991	or die "$path: $!";
2992
2993	$facedata = Coro::Storable::thaw $facedata;
2994		3468
2995	$facedata->{version} == 2	3469	$facedata->{version} == 2
2996	or cf::cleanup "$path: version mismatch, cannot proceed.";	3470	or cf::cleanup "$path: version mismatch, cannot proceed.";
2997		3471
2998	# 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]);
2999	$facedata->{resource}{"res/exp_table"} = {	3474	$facedata->{resource}{"res/exp_table"} = {
3000	type => FT_RSRC,	3475	type => FT_RSRC,
3001	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),
3002	};	3478	};
3003	cf::cede_to_tick;	3479	cf::cede_to_tick;
3004		3480
3005	{	3481	{
3006	my $faces = $facedata->{faceinfo};	3482	my $faces = $facedata->{faceinfo};
3007		3483
3008	while (my ($face, $info) = each %$faces) {	3484	while (my ($face, $info) = each %$faces) {
3009	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3485	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3486
3010	cf::face::set_visibility $idx, $info->{visibility};	3487	cf::face::set_visibility $idx, $info->{visibility};
3011	cf::face::set_magicmap $idx, $info->{magicmap};	3488	cf::face::set_magicmap $idx, $info->{magicmap};
3012	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3489	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3013	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} , $info->{glyph} ;
3014		3492
3015	cf::cede_to_tick;	3493	cf::cede_to_tick;
3016	}	3494	}
3017		3495
3018	while (my ($face, $info) = each %$faces) {	3496	while (my ($face, $info) = each %$faces) {
3019	next unless $info->{smooth};	3497	next unless $info->{smooth};
		3498
3020	my $idx = cf::face::find $face	3499	my $idx = cf::face::find $face
3021	or next;	3500	or next;
		3501
3022	if (my $smooth = cf::face::find $info->{smooth}) {	3502	if (my $smooth = cf::face::find $info->{smooth}) {
3023	cf::face::set_smooth $idx, $smooth;	3503	cf::face::set_smooth $idx, $smooth;
3024	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3504	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3025	} else {	3505	} else {
3026	warn "smooth face '$info->{smooth}' not found for face '$face'";	3506	error "smooth face '$info->{smooth}' not found for face '$face'";
3027	}	3507	}
3028		3508
3029	cf::cede_to_tick;	3509	cf::cede_to_tick;
3030	}	3510	}
3031	}	3511	}
…		…
3040		3520
3041	cf::anim::invalidate_all; # d'oh	3521	cf::anim::invalidate_all; # d'oh
3042	}	3522	}
3043		3523
3044	{	3524	{
3045	# TODO: for gcfclient pleasure, we should give resources
3046	# that gcfclient doesn't grok a >10000 face index.
3047	my $res = $facedata->{resource};	3525	my $res = $facedata->{resource};
3048		3526
3049	my $soundconf = delete $res->{"res/sound.conf"};
3050
3051	while (my ($name, $info) = each %$res) {	3527	while (my ($name, $info) = each %$res) {
		3528	if (defined $info->{type}) {
3052	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3529	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3053	my $data;
3054		3530
3055	if ($info->{type} & 1) {	3531	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3056	# prepend meta info	3532	cf::face::set_type $idx, $info->{type};
3057
3058	my $meta = $enc->encode ({
3059	name => $name,
3060	%{ $info->{meta} || {} },
3061	});
3062
3063	$data = pack "(w/a*)*", $meta, $info->{data};
3064	} else {	3533	} else {
3065	$data = $info->{data};	3534	$RESOURCE{$name} = $info; # unused
3066	}	3535	}
3067		3536
3068	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3069	cf::face::set_type $idx, $info->{type};
3070
3071	cf::cede_to_tick;	3537	cf::cede_to_tick;
3072	}	3538	}
3073
3074	if ($soundconf) {
3075	$soundconf = $enc->decode (delete $soundconf->{data});
3076
3077	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3078	my $sound = $soundconf->{compat}[$_]
3079	or next;
3080
3081	my $face = cf::face::find "sound/$sound->[1]";
3082	cf::sound::set $sound->[0] => $face;
3083	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3084	}
3085
3086	while (my ($k, $v) = each %{$soundconf->{event}}) {
3087	my $face = cf::face::find "sound/$v";
3088	cf::sound::set $k => $face;
3089	}
3090	}
3091	}	3539	}
		3540
		3541	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3092		3542
3093	1	3543	1
3094	}	3544	}
3095		3545
3096	register_exticmd fx_want => sub {	3546	register_exticmd fx_want => sub {
…		…
3098		3548
3099	while (my ($k, $v) = each %$want) {	3549	while (my ($k, $v) = each %$want) {
3100	$ns->fx_want ($k, $v);	3550	$ns->fx_want ($k, $v);
3101	}	3551	}
3102	};	3552	};
		3553
		3554	sub load_resource_file($) {
		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	$status
		3562	}
3103		3563
3104	sub reload_regions {	3564	sub reload_regions {
3105	# HACK to clear player env face cache, we need some signal framework	3565	# HACK to clear player env face cache, we need some signal framework
3106	# for this (global event?)	3566	# for this (global event?)
3107	%ext::player_env::MUSIC_FACE_CACHE = ();	3567	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3121	}	3581	}
3122		3582
3123	sub reload_archetypes {	3583	sub reload_archetypes {
3124	load_resource_file "$DATADIR/archetypes"	3584	load_resource_file "$DATADIR/archetypes"
3125	or die "unable to load archetypes\n";	3585	or die "unable to load archetypes\n";
3126	#d# NEED to laod twice to resolve forward references
3127	# this really needs to be done in an extra post-pass
3128	# (which needs to be synchronous, so solve it differently)
3129	load_resource_file "$DATADIR/archetypes"
3130	or die "unable to load archetypes\n";
3131	}	3586	}
3132		3587
3133	sub reload_treasures {	3588	sub reload_treasures {
3134	load_resource_file "$DATADIR/treasures"	3589	load_resource_file "$DATADIR/treasures"
3135	or die "unable to load treasurelists\n";	3590	or die "unable to load treasurelists\n";
3136	}	3591	}
3137		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
3138	sub reload_resources {	3613	sub reload_resources {
3139	warn "reloading resource files...\n";	3614	trace "reloading resource files...\n";
3140		3615
		3616	reload_exp_table;
		3617	reload_materials;
		3618	reload_facedata;
		3619	reload_sound;
		3620	reload_archetypes;
3141	reload_regions;	3621	reload_regions;
3142	reload_facedata;
3143	#reload_archetypes;#d#
3144	reload_archetypes;
3145	reload_treasures;	3622	reload_treasures;
3146		3623
3147	warn "finished reloading resource files\n";	3624	trace "finished reloading resource files\n";
3148	}
3149
3150	sub init {
3151	reload_resources;
3152	}	3625	}
3153		3626
3154	sub reload_config {	3627	sub reload_config {
3155	open my $fh, "<:utf8", "$CONFDIR/config"	3628	trace "reloading config file...\n";
3156	or return;
3157		3629
3158	local $/;	3630	my $config = load_file "$CONFDIR/config";
3159	*CFG = YAML::Syck::Load <$fh>;	3631	utf8::decode $config;
		3632	*CFG = decode_yaml $config;
3160		3633
3161	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3634	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3162		3635
3163	$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};
3164	$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};
3165		3638
3166	if (exists $CFG{mlockall}) {	3639	if (exists $CFG{mlockall}) {
…		…
3170	};	3643	};
3171	warn $@ if $@;	3644	warn $@ if $@;
3172	}	3645	}
3173	}	3646	}
3174		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
3175	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
3176	# we must not ever block the main coroutine	3686	# we must not ever block the main coroutine
3177	local $Coro::idle = sub {	3687	local $Coro::idle = sub {
3178	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#
3179	(async {	3689	(async {
3180	Event::one_event;	3690	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3691	EV::loop EV::LOOP_ONESHOT;
3181	})->prio (Coro::PRIO_MAX);	3692	})->prio (Coro::PRIO_MAX);
3182	};	3693	};
3183		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;
3184	reload_config;	3707	reload_config;
3185	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
3186	load_extensions;	3718	load_extensions;
3187		3719
3188	$TICK_WATCHER->start;	3720	utime time, time, $RUNTIMEFILE;
3189	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;
3190	}	3738	}
3191		3739
3192	#############################################################################	3740	#############################################################################
3193	# initialisation and cleanup	3741	# initialisation and cleanup
3194		3742
3195	# install some emergency cleanup handlers	3743	# install some emergency cleanup handlers
3196	BEGIN {	3744	BEGIN {
		3745	our %SIGWATCHER = ();
3197	for my $signal (qw(INT HUP TERM)) {	3746	for my $signal (qw(INT HUP TERM)) {
3198	Event->signal (	3747	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3199	reentrant => 0,
3200	data => WF_AUTOCANCEL,
3201	signal => $signal,
3202	prio => 0,
3203	cb => sub {
3204	cf::cleanup "SIG$signal";	3748	cf::cleanup "SIG$signal";
3205	},
3206	);	3749	};
3207	}	3750	}
3208	}	3751	}
3209		3752
3210	sub write_runtime {	3753	sub write_runtime_sync {
3211	my $runtime = "$LOCALDIR/runtime";	3754	my $t0 = AE::time;
3212		3755
3213	# first touch the runtime file to show we are still running:	3756	# first touch the runtime file to show we are still running:
3214	# the fsync below can take a very very long time.	3757	# the fsync below can take a very very long time.
3215		3758
3216	IO::AIO::aio_utime $runtime, undef, undef;	3759	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3217		3760
3218	my $guard = cf::lock_acquire "write_runtime";	3761	my $guard = cf::lock_acquire "write_runtime";
3219		3762
3220	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3763	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3221	or return;	3764	or return;
3222		3765
3223	my $value = $cf::RUNTIME + 90 + 10;	3766	my $value = $cf::RUNTIME + 90 + 10;
3224	# 10 is the runtime save interval, for a monotonic clock	3767	# 10 is the runtime save interval, for a monotonic clock
3225	# 60 allows for the watchdog to kill the server.	3768	# 60 allows for the watchdog to kill the server.
…		…
3235	aio_utime $fh, undef, undef;	3778	aio_utime $fh, undef, undef;
3236		3779
3237	close $fh	3780	close $fh
3238	or return;	3781	or return;
3239		3782
3240	aio_rename "$runtime~", $runtime	3783	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3241	and return;	3784	and return;
3242		3785
3243	warn "runtime file written.\n";	3786	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3244		3787
3245	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 };
3246	}	3839	}
3247		3840
3248	sub emergency_save() {	3841	sub emergency_save() {
3249	my $freeze_guard = cf::freeze_mainloop;	3842	my $freeze_guard = cf::freeze_mainloop;
3250		3843
3251	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;
3252		3850
3253	cf::sync_job {	3851	cf::sync_job {
		3852	cf::write_runtime_sync; # external watchdog should not bark
		3853
3254	# use a peculiar iteration method to avoid tripping on perl	3854	# use a peculiar iteration method to avoid tripping on perl
3255	# refcount bugs in for. also avoids problems with players	3855	# refcount bugs in for. also avoids problems with players
3256	# and maps saved/destroyed asynchronously.	3856	# and maps saved/destroyed asynchronously.
3257	warn "begin emergency player save\n";	3857	info "emergency_perl_save: begin player save\n";
3258	for my $login (keys %cf::PLAYER) {	3858	for my $login (keys %cf::PLAYER) {
3259	my $pl = $cf::PLAYER{$login} or next;	3859	my $pl = $cf::PLAYER{$login} or next;
3260	$pl->valid or next;	3860	$pl->valid or next;
		3861	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3261	$pl->save;	3862	$pl->save;
3262	}	3863	}
3263	warn "end emergency player save\n";	3864	info "emergency_perl_save: end player save\n";
3264		3865
3265	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";
3266	for my $path (keys %cf::MAP) {	3869	for my $path (keys %cf::MAP) {
3267	my $map = $cf::MAP{$path} or next;	3870	my $map = $cf::MAP{$path} or next;
3268	$map->valid or next;	3871	$map->valid or next;
3269	$map->save;	3872	$map->save;
3270	}	3873	}
3271	warn "end emergency map save\n";	3874	info "emergency_perl_save: end map save\n";
3272		3875
3273	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";
3274	BDB::db_env_txn_checkpoint $DB_ENV;	3879	BDB::db_env_txn_checkpoint $DB_ENV;
3275	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 $DB_ENV;
		3890
		3891	info "emergency_perl_save: starting sync\n";
		3892	IO::AIO::aio_sync sub {
		3893	info "emergency_perl_save: finished sync\n";
		3894	};
		3895
		3896	cf::write_runtime_sync; # external watchdog should not bark
		3897
		3898	trace "emergency_perl_save: flushing outstanding aio requests";
		3899	while (IO::AIO::nreqs || BDB::nreqs) {
		3900	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3901	}
		3902
		3903	cf::write_runtime_sync; # external watchdog should not bark
3276	};	3904	};
3277		3905
3278	warn "leave emergency perl save\n";	3906	info "emergency_perl_save: leave\n";
3279	}	3907	}
3280		3908
3281	sub post_cleanup {	3909	sub post_cleanup {
3282	my ($make_core) = @_;	3910	my ($make_core) = @_;
3283		3911
		3912	IO::AIO::flush;
		3913
3284	warn Carp::longmess "post_cleanup backtrace"	3914	error Carp::longmess "post_cleanup backtrace"
3285	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	}
3286	}	3944	}
3287		3945
3288	sub do_reload_perl() {	3946	sub do_reload_perl() {
3289	# can/must only be called in main	3947	# can/must only be called in main
3290	if ($Coro::current != $Coro::main) {	3948	unless (in_main) {
3291	warn "can only reload from main coroutine";	3949	error "can only reload from main coroutine";
3292	return;	3950	return;
3293	}	3951	}
3294		3952
3295	warn "reloading...";	3953	return if $RELOAD++;
3296		3954
3297	warn "entering sync_job";	3955	my $t1 = AE::time;
3298		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
3299	cf::sync_job {	3963	cf::sync_job {
3300	cf::write_runtime; # external watchdog should not bark
3301	cf::emergency_save;	3964	#cf::emergency_save;
3302	cf::write_runtime; # external watchdog should not bark
3303		3965
3304	warn "syncing database to disk";
3305	BDB::db_env_txn_checkpoint $DB_ENV;
3306
3307	# if anything goes wrong in here, we should simply crash as we already saved
3308
3309	warn "cancelling all WF_AUTOCANCEL watchers";
3310	for (Event::all_watchers) {
3311	$_->cancel if $_->data & WF_AUTOCANCEL;
3312	}
3313
3314	warn "flushing outstanding aio requests";
3315	for (;;) {
3316	BDB::flush;
3317	IO::AIO::flush;
3318	Coro::cede;
3319	last unless IO::AIO::nreqs || BDB::nreqs;
3320	warn "iterate...";
3321	}
3322
3323	++$RELOAD;
3324
3325	warn "cancelling all extension coros";	3966	trace "perl_reload: cancelling all extension coros";
3326	$_->cancel for values %EXT_CORO;	3967	$_->cancel for values %EXT_CORO;
3327	%EXT_CORO = ();	3968	%EXT_CORO = ();
3328		3969
3329	warn "removing commands";	3970	trace "perl_reload: removing commands";
3330	%COMMAND = ();	3971	%COMMAND = ();
3331		3972
3332	warn "removing ext/exti commands";	3973	trace "perl_reload: removing ext/exti commands";
3333	%EXTCMD = ();	3974	%EXTCMD = ();
3334	%EXTICMD = ();	3975	%EXTICMD = ();
3335		3976
3336	warn "unloading/nuking all extensions";	3977	trace "perl_reload: unloading/nuking all extensions";
3337	for my $pkg (@EXTS) {	3978	for my $pkg (@EXTS) {
3338	warn "... unloading $pkg";	3979	trace "... unloading $pkg";
3339		3980
3340	if (my $cb = $pkg->can ("unload")) {	3981	if (my $cb = $pkg->can ("unload")) {
3341	eval {	3982	eval {
3342	$cb->($pkg);	3983	$cb->($pkg);
3343	1	3984	1
3344	} 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;
3345	}	3990	}
3346		3991
3347	warn "... nuking $pkg";
3348	Symbol::delete_package $pkg;
3349	}
3350
3351	warn "unloading all perl modules loaded from $LIBDIR";	3992	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3352	while (my ($k, $v) = each %INC) {	3993	while (my ($k, $v) = each %INC) {
3353	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3994	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3354		3995
3355	warn "... unloading $k";	3996	trace "... unloading $k";
3356	delete $INC{$k};	3997	delete $INC{$k};
3357		3998
3358	$k =~ s/\.pm$//;	3999	$k =~ s/\.pm$//;
3359	$k =~ s/\//::/g;	4000	$k =~ s/\//::/g;
3360		4001
3361	if (my $cb = $k->can ("unload_module")) {	4002	if (my $cb = $k->can ("unload_module")) {
3362	$cb->();	4003	$cb->();
		4004	}
		4005
		4006	clear_package $k;
3363	}	4007	}
3364		4008
3365	Symbol::delete_package $k;
3366	}
3367
3368	warn "getting rid of safe::, as good as possible";	4009	trace "perl_reload: getting rid of safe::, as good as possible";
3369	Symbol::delete_package "safe::$_"	4010	clear_package "safe::$_"
3370	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);
3371		4012
3372	warn "unloading cf.pm \"a bit\"";	4013	trace "perl_reload: unloading cf.pm \"a bit\"";
3373	delete $INC{"cf.pm"};	4014	delete $INC{"cf.pm"};
3374	delete $INC{"cf/pod.pm"};	4015	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3375		4016
3376	# don't, removes xs symbols, too,	4017	# don't, removes xs symbols, too,
3377	# and global variables created in xs	4018	# and global variables created in xs
3378	#Symbol::delete_package __PACKAGE__;	4019	#clear_package __PACKAGE__;
3379		4020
3380	warn "unload completed, starting to reload now";	4021	info "perl_reload: unload completed, starting to reload now";
3381		4022
3382	warn "reloading cf.pm";	4023	trace "perl_reload: reloading cf.pm";
3383	require cf;	4024	require cf;
3384	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4025	cf::_connect_to_perl_1;
3385		4026
3386	warn "loading config and database again";	4027	trace "perl_reload: loading config and database again";
3387	cf::reload_config;	4028	cf::reload_config;
3388		4029
3389	warn "loading extensions";	4030	trace "perl_reload: loading extensions";
3390	cf::load_extensions;	4031	cf::load_extensions;
3391		4032
		4033	if ($REATTACH_ON_RELOAD) {
3392	warn "reattaching attachments to objects/players";	4034	trace "perl_reload: reattaching attachments to objects/players";
3393	_global_reattach; # objects, sockets	4035	_global_reattach; # objects, sockets
3394	warn "reattaching attachments to maps";	4036	trace "perl_reload: reattaching attachments to maps";
3395	reattach $_ for values %MAP;	4037	reattach $_ for values %MAP;
3396	warn "reattaching attachments to players";	4038	trace "perl_reload: reattaching attachments to players";
3397	reattach $_ for values %PLAYER;	4039	reattach $_ for values %PLAYER;
		4040	}
3398		4041
3399	warn "leaving sync_job";	4042	cf::_post_init 1;
3400		4043
		4044	trace "perl_reload: leaving sync_job";
		4045
3401	1	4046	1
3402	} or do {	4047	} or do {
3403	warn $@;	4048	error $@;
3404	warn "error while reloading, exiting.";	4049	cf::cleanup "perl_reload: error, exiting.";
3405	exit 1;	4050	};
		4051
		4052	--$RELOAD;
3406	};	4053	}
3407		4054
3408	warn "reloaded";	4055	$t1 = AE::time - $t1;
		4056	info "perl_reload: completed in ${t1}s\n";
3409	};	4057	};
3410		4058
3411	our $RELOAD_WATCHER; # used only during reload	4059	our $RELOAD_WATCHER; # used only during reload
3412		4060
3413	sub reload_perl() {	4061	sub reload_perl() {
3414	# doing reload synchronously and two reloads happen back-to-back,	4062	# doing reload synchronously and two reloads happen back-to-back,
3415	# coro crashes during coro_state_free->destroy here.	4063	# coro crashes during coro_state_free->destroy here.
3416		4064
3417	$RELOAD_WATCHER ||= Event->timer (	4065	$RELOAD_WATCHER ||= cf::async {
3418	reentrant => 0,	4066	Coro::AIO::aio_wait cache_extensions;
3419	after => 0,	4067
3420	data => WF_AUTOCANCEL,	4068	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3421	cb => sub {
3422	do_reload_perl;	4069	do_reload_perl;
3423	undef $RELOAD_WATCHER;	4070	undef $RELOAD_WATCHER;
3424	},	4071	};
3425	);	4072	};
3426	}	4073	}
3427		4074
3428	register_command "reload" => sub {	4075	register_command "reload" => sub {
3429	my ($who, $arg) = @_;	4076	my ($who, $arg) = @_;
3430		4077
3431	if ($who->flag (FLAG_WIZ)) {	4078	if ($who->flag (FLAG_WIZ)) {
3432	$who->message ("reloading server.");	4079	$who->message ("reloading server.");
		4080	async {
		4081	$Coro::current->{desc} = "perl_reload";
3433	async { reload_perl };	4082	reload_perl;
		4083	};
3434	}	4084	}
3435	};	4085	};
3436		4086
3437	unshift @INC, $LIBDIR;	4087	#############################################################################
3438		4088
3439	my $bug_warning = 0;	4089	my $bug_warning = 0;
3440		4090
3441	our @WAIT_FOR_TICK;	4091	our @WAIT_FOR_TICK;
3442	our @WAIT_FOR_TICK_BEGIN;	4092	our @WAIT_FOR_TICK_BEGIN;
3443		4093
3444	sub wait_for_tick {	4094	sub wait_for_tick() {
3445	return unless $TICK_WATCHER->is_active;
3446	return if $Coro::current == $Coro::main;	4095	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3447		4096
3448	my $signal = new Coro::Signal;	4097	my $signal = new Coro::Signal;
3449	push @WAIT_FOR_TICK, $signal;	4098	push @WAIT_FOR_TICK, $signal;
3450	$signal->wait;	4099	$signal->wait;
3451	}	4100	}
3452		4101
3453	sub wait_for_tick_begin {	4102	sub wait_for_tick_begin() {
3454	return unless $TICK_WATCHER->is_active;
3455	return if $Coro::current == $Coro::main;	4103	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3456		4104
3457	my $signal = new Coro::Signal;	4105	my $signal = new Coro::Signal;
3458	push @WAIT_FOR_TICK_BEGIN, $signal;	4106	push @WAIT_FOR_TICK_BEGIN, $signal;
3459	$signal->wait;	4107	$signal->wait;
3460	}	4108	}
3461		4109
3462	$TICK_WATCHER = Event->timer (	4110	sub tick {
3463	reentrant => 0,
3464	parked => 1,
3465	prio => 0,
3466	at => $NEXT_TICK || $TICK,
3467	data => WF_AUTOCANCEL,
3468	cb => sub {
3469	if ($Coro::current != $Coro::main) {	4111	if ($Coro::current != $Coro::main) {
3470	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"
3471	unless ++$bug_warning > 10;	4113	unless ++$bug_warning > 10;
3472	return;	4114	return;
3473	}	4115	}
3474		4116
3475	$NOW = $tick_start = Event::time;
3476
3477	cf::server_tick; # one server iteration	4117	cf::server_tick; # one server iteration
3478		4118
3479	$RUNTIME += $TICK;	4119	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3480	$NEXT_TICK += $TICK;
3481		4120
3482	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4121	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3483	$NEXT_RUNTIME_WRITE = $NOW + 10;	4122	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3484	Coro::async_pool {	4123	Coro::async_pool {
		4124	$Coro::current->{desc} = "runtime saver";
3485	write_runtime	4125	write_runtime_sync
3486	or warn "ERROR: unable to write runtime file: $!";	4126	or error "ERROR: unable to write runtime file: $!";
3487	};
3488	}	4127	};
		4128	}
3489		4129
3490	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4130	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3491	$sig->send;	4131	$sig->send;
3492	}	4132	}
3493	while (my $sig = shift @WAIT_FOR_TICK) {	4133	while (my $sig = shift @WAIT_FOR_TICK) {
3494	$sig->send;	4134	$sig->send;
3495	}	4135	}
3496		4136
3497	$NOW = Event::time;	4137	$LOAD = ($NOW - $TICK_START) / $TICK;
3498
3499	# if we are delayed by four ticks or more, skip them all
3500	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3501
3502	$TICK_WATCHER->at ($NEXT_TICK);
3503	$TICK_WATCHER->start;
3504
3505	$LOAD = ($NOW - $tick_start) / $TICK;
3506	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4138	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3507		4139
3508	_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	}
3509	},	4146	}
3510	);	4147	}
3511		4148
3512	{	4149	{
		4150	# configure BDB
		4151
3513	BDB::min_parallel 8;	4152	BDB::min_parallel 16;
3514	BDB::max_poll_time $TICK * 0.1;	4153	BDB::max_poll_reqs $TICK * 0.1;
3515	$BDB_POLL_WATCHER = Event->io (	4154	$AnyEvent::BDB::WATCHER->priority (1);
3516	reentrant => 0,
3517	fd => BDB::poll_fileno,
3518	poll => 'r',
3519	prio => 0,
3520	data => WF_AUTOCANCEL,
3521	cb => \&BDB::poll_cb,
3522	);
3523
3524	BDB::set_sync_prepare {
3525	my $status;
3526	my $current = $Coro::current;
3527	(
3528	sub {
3529	$status = $!;
3530	$current->ready; undef $current;
3531	},
3532	sub {
3533	Coro::schedule while defined $current;
3534	$! = $status;
3535	},
3536	)
3537	};
3538		4155
3539	unless ($DB_ENV) {	4156	unless ($DB_ENV) {
3540	$DB_ENV = BDB::db_env_create;	4157	$DB_ENV = BDB::db_env_create;
3541	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4158	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3542	| 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;
3543	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4161	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3544	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4162	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3545		4163
3546	cf::sync_job {	4164	cf::sync_job {
3547	eval {	4165	eval {
…		…
3557		4175
3558	cf::cleanup "db_env_open(db): $@" if $@;	4176	cf::cleanup "db_env_open(db): $@" if $@;
3559	};	4177	};
3560	}	4178	}
3561		4179
3562	$BDB_DEADLOCK_WATCHER = Event->timer (	4180	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3563	after => 3,
3564	interval => 1,
3565	hard => 1,
3566	prio => 0,
3567	data => WF_AUTOCANCEL,
3568	cb => sub {
3569	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 { };
3570	},
3571	);	4182	};
3572	$BDB_CHECKPOINT_WATCHER = Event->timer (	4183	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3573	after => 11,
3574	interval => 60,
3575	hard => 1,
3576	prio => 0,
3577	data => WF_AUTOCANCEL,
3578	cb => sub {
3579	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4184	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3580	},
3581	);	4185	};
3582	$BDB_TRICKLE_WATCHER = Event->timer (	4186	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3583	after => 5,
3584	interval => 10,
3585	hard => 1,
3586	prio => 0,
3587	data => WF_AUTOCANCEL,
3588	cb => sub {
3589	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4187	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3590	},
3591	);	4188	};
3592	}	4189	}
3593		4190
3594	{	4191	{
		4192	# configure IO::AIO
		4193
3595	IO::AIO::min_parallel 8;	4194	IO::AIO::min_parallel 8;
3596
3597	undef $Coro::AIO::WATCHER;
3598	IO::AIO::max_poll_time $TICK * 0.1;	4195	IO::AIO::max_poll_time $TICK * 0.1;
3599	$AIO_POLL_WATCHER = Event->io (	4196	undef $AnyEvent::AIO::WATCHER;
3600	reentrant => 0,
3601	data => WF_AUTOCANCEL,
3602	fd => IO::AIO::poll_fileno,
3603	poll => 'r',
3604	prio => 6,
3605	cb => \&IO::AIO::poll_cb,
3606	);
3607	}	4197	}
3608		4198
3609	my $_log_backtrace;	4199	our $_log_backtrace;
		4200	our $_log_backtrace_last;
3610		4201
3611	sub _log_backtrace {	4202	sub _log_backtrace {
3612	my ($msg, @addr) = @_;	4203	my ($msg, @addr) = @_;
3613		4204
3614	$msg =~ s/\n//;	4205	$msg =~ s/\n$//;
3615		4206
		4207	if ($_log_backtrace_last eq $msg) {
		4208	LOG llevInfo, "[ABT] $msg\n";
		4209	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3616	# limit the # of concurrent backtraces	4210	# limit the # of concurrent backtraces
3617	if ($_log_backtrace < 2) {	4211	} elsif ($_log_backtrace < 2) {
		4212	$_log_backtrace_last = $msg;
3618	++$_log_backtrace;	4213	++$_log_backtrace;
		4214	my $perl_bt = Carp::longmess $msg;
3619	async {	4215	async {
		4216	$Coro::current->{desc} = "abt $msg";
		4217
3620	my @bt = fork_call {	4218	my @bt = fork_call {
3621	@addr = map { sprintf "%x", $_ } @addr;	4219	@addr = map { sprintf "%x", $_ } @addr;
3622	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4220	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3623	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4221	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3624	or die "addr2line: $!";	4222	or die "addr2line: $!";
…		…
3632	}	4230	}
3633		4231
3634	@funcs	4232	@funcs
3635	};	4233	};
3636		4234
3637	LOG llevInfo, "[ABT] $msg\n";	4235	LOG llevInfo, "[ABT] $perl_bt\n";
		4236	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3638	LOG llevInfo, "[ABT] $_\n" for @bt;	4237	LOG llevInfo, "[ABT] $_\n" for @bt;
3639	--$_log_backtrace;	4238	--$_log_backtrace;
3640	};	4239	};
3641	} else {	4240	} else {
3642	LOG llevInfo, "[ABT] $msg\n";	4241	LOG llevInfo, "[ABT] $msg\n";
3643	LOG llevInfo, "[ABT] [suppressed]\n";	4242	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3644	}	4243	}
3645	}	4244	}
3646		4245
3647	# load additional modules	4246	# load additional modules
3648	use cf::pod;	4247	require "cf/$_.pm" for @EXTRA_MODULES;
		4248	cf::_connect_to_perl_2;
3649		4249
3650	END { cf::emergency_save }	4250	END { cf::emergency_save }
3651		4251
3652	1	4252	1
3653		4253

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