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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.381 by root, Mon Oct 8 18:19:39 2007 UTC vs.
Revision 1.565 by root, Sat Apr 30 05:41:17 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 4.1 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
24	use Coro::Util ();	51	use Coro::Util ();
25		52
26	use JSON::XS ();	53	use JSON::XS 2.01 ();
27	use BDB ();	54	use BDB ();
28	use Data::Dumper;	55	use Data::Dumper;
29	use Digest::MD5;
30	use Fcntl;	56	use Fcntl;
31	use YAML::Syck ();	57	use YAML::XS ();
32	use IO::AIO 2.51 ();	58	use IO::AIO ();
33	use Time::HiRes;	59	use Time::HiRes;
34	use Compress::LZF;	60	use Compress::LZF;
35	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
36		64
37	# configure various modules to our taste	65	# configure various modules to our taste
38	#	66	#
39	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42		75
43	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
44		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		78
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
51		82
52	our %COMMAND = ();	83	our %COMMAND = ();
53	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
54		85
55	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
56	our %EXTCMD = ();	87	our %EXTCMD = ();
57	our %EXTICMD = ();	88	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
60		91
61	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
63		96
64	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
65	our $DATADIR = datadir;	99	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
69	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
75		120
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	123	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
83		125
84	our $BDB_POLL_WATCHER;
85	our $BDB_DEADLOCK_WATCHER;	126	our $BDB_DEADLOCK_WATCHER;
86	our $BDB_CHECKPOINT_WATCHER;	127	our $BDB_CHECKPOINT_WATCHER;
87	our $BDB_TRICKLE_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
88	our $DB_ENV;	129	our $DB_ENV;
89		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		132
90	our %CFG;	133	our %CFG;
91		134
92	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
93	our $RUNTIME;	136	our $RUNTIME;
		137	our $NOW;
94		138
95	our (%PLAYER, %PLAYER_LOADING); # all users	139	our (%PLAYER, %PLAYER_LOADING); # all users
96	our (%MAP, %MAP_LOADING ); # all maps	140	our (%MAP, %MAP_LOADING ); # all maps
97	our $LINK_MAP; # the special {link} map, which is always available	141	our $LINK_MAP; # the special {link} map, which is always available
98		142
99	# used to convert map paths into valid unix filenames by replacing / by ∕	143	# used to convert map paths into valid unix filenames by replacing / by ∕
100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	144	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
101		145
102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	146	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
103	our $LOADAVG; # same thing, but with alpha-smoothing	147	our $LOADAVG; # same thing, but with alpha-smoothing
		148	our $JITTER; # average jitter
104	our $tick_start; # for load detecting purposes	149	our $TICK_START; # for load detecting purposes
		150
		151	our @POST_INIT;
		152
		153	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		154	our $REALLY_UNLOOP; # never set to true, please :)
105		155
106	binmode STDOUT;	156	binmode STDOUT;
107	binmode STDERR;	157	binmode STDERR;
108		158
109	# read virtual server time, if available	159	# read virtual server time, if available
110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	160	unless ($RUNTIME || !-e $RUNTIMEFILE) {
111	open my $fh, "<", "$LOCALDIR/runtime"	161	open my $fh, "<", $RUNTIMEFILE
112	or die "unable to read runtime file: $!";	162	or die "unable to read $RUNTIMEFILE file: $!";
113	$RUNTIME = <$fh> + 0.;	163	$RUNTIME = <$fh> + 0.;
114	}	164	}
		165
		166	eval "sub TICK() { $TICK } 1" or die;
115		167
116	mkdir $_	168	mkdir $_
117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	169	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
118		170
119	our $EMERGENCY_POSITION;	171	our $EMERGENCY_POSITION;
120		172
121	sub cf::map::normalise;	173	sub cf::map::normalise;
		174
		175	sub in_main() {
		176	$Coro::current == $Coro::main
		177	}
		178
		179	#############################################################################
		180
		181	%REFLECT = ();
		182	for (@REFLECT) {
		183	my $reflect = JSON::XS::decode_json $_;
		184	$REFLECT{$reflect->{class}} = $reflect;
		185	}
		186
		187	# this is decidedly evil
		188	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
122		189
123	#############################################################################	190	#############################################################################
124		191
125	=head2 GLOBAL VARIABLES	192	=head2 GLOBAL VARIABLES
126		193
…		…
162		229
163	The raw value load value from the last tick.	230	The raw value load value from the last tick.
164		231
165	=item %cf::CFG	232	=item %cf::CFG
166		233
167	Configuration for the server, loaded from C</etc/crossfire/config>, or	234	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
168	from wherever your confdir points to.	235	from wherever your confdir points to.
169		236
170	=item cf::wait_for_tick, cf::wait_for_tick_begin	237	=item cf::wait_for_tick, cf::wait_for_tick_begin
171		238
172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	239	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
173	returns directly I<after> the tick processing (and consequently, can only wake one process	240	returns directly I<after> the tick processing (and consequently, can only wake one thread
174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	241	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
175		242
		243	=cut
		244
		245	sub wait_for_tick();
		246	sub wait_for_tick_begin();
		247
176	=item @cf::INVOKE_RESULTS	248	=item @cf::INVOKE_RESULTS
177		249
178	This array contains the results of the last C<invoke ()> call. When	250	This array contains the results of the last C<invoke ()> call. When
179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	251	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
180	that call.	252	that call.
181		253
		254	=item %cf::REFLECT
		255
		256	Contains, for each (C++) class name, a hash reference with information
		257	about object members (methods, scalars, arrays and flags) and other
		258	metadata, which is useful for introspection.
		259
182	=back	260	=back
183		261
184	=cut	262	=cut
185		263
186	BEGIN {	264	sub error(@) { LOG llevError, join "", @_ }
187	*CORE::GLOBAL::warn = sub {	265	sub warn (@) { LOG llevWarn , join "", @_ }
		266	sub info (@) { LOG llevInfo , join "", @_ }
		267	sub debug(@) { LOG llevDebug, join "", @_ }
		268	sub trace(@) { LOG llevTrace, join "", @_ }
		269
		270	$Coro::State::WARNHOOK = sub {
188	my $msg = join "", @_;	271	my $msg = join "", @_;
189		272
190	$msg .= "\n"	273	$msg .= "\n"
191	unless $msg =~ /\n$/;	274	unless $msg =~ /\n$/;
192		275
193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	276	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
194		277
195	LOG llevError, $msg;	278	LOG llevWarn, $msg;
196	};	279	};
197	}	280
		281	$Coro::State::DIEHOOK = sub {
		282	return unless $^S eq 0; # "eq", not "=="
		283
		284	error Carp::longmess $_[0];
		285
		286	if (in_main) {#d#
		287	error "DIEHOOK called in main context, Coro bug?\n";#d#
		288	return;#d#
		289	}#d#
		290
		291	# kill coroutine otherwise
		292	Coro::terminate
		293	};
198		294
199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	295	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	296	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	297	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	298	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
209	for my $pkg (qw(	305	for my $pkg (qw(
210	cf::global cf::attachable	306	cf::global cf::attachable
211	cf::object cf::object::player	307	cf::object cf::object::player
212	cf::client cf::player	308	cf::client cf::player
213	cf::arch cf::living	309	cf::arch cf::living
		310	cf::map cf::mapspace
214	cf::map cf::party cf::region	311	cf::party cf::region
215	)) {	312	)) {
216	no strict 'refs';
217	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	313	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
218	}	314	}
219		315
220	$Event::DIED = sub {	316	$EV::DIED = sub {
221	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
222	};	318	};
		319
		320	#############################################################################
		321
		322	sub fork_call(&@);
		323	sub get_slot($;$$);
223		324
224	#############################################################################	325	#############################################################################
225		326
226	=head2 UTILITY FUNCTIONS	327	=head2 UTILITY FUNCTIONS
227		328
…		…
248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	349	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
249	$d	350	$d
250	} || "[unable to dump $_[0]: '$@']";	351	} || "[unable to dump $_[0]: '$@']";
251	}	352	}
252		353
		354	=item $scalar = load_file $path
		355
		356	Loads the given file from path and returns its contents. Croaks on error
		357	and can block.
		358
		359	=cut
		360
		361	sub load_file($) {
		362	0 <= aio_load $_[0], my $data
		363	or Carp::croak "$_[0]: $!";
		364
		365	$data
		366	}
		367
253	=item $ref = cf::from_json $json	368	=item $ref = cf::decode_json $json
254		369
255	Converts a JSON string into the corresponding perl data structure.	370	Converts a JSON string into the corresponding perl data structure.
256		371
257	=item $json = cf::to_json $ref	372	=item $json = cf::encode_json $ref
258		373
259	Converts a perl data structure into its JSON representation.	374	Converts a perl data structure into its JSON representation.
260		375
261	=cut	376	=cut
262		377
263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	378	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
264		379
265	sub to_json ($) { $json_coder->encode ($_[0]) }	380	sub encode_json($) { $json_coder->encode ($_[0]) }
266	sub from_json ($) { $json_coder->decode ($_[0]) }	381	sub decode_json($) { $json_coder->decode ($_[0]) }
		382
		383	=item $ref = cf::decode_storable $scalar
		384
		385	Same as Coro::Storable::thaw, so blocks.
		386
		387	=cut
		388
		389	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		390
		391	=item $ref = cf::decode_yaml $scalar
		392
		393	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		394
		395	=cut
		396
		397	sub decode_yaml($) {
		398	fork_call { YAML::XS::Load $_[0] } @_
		399	}
		400
		401	=item $scalar = cf::unlzf $scalar
		402
		403	Same as Compress::LZF::compress, but takes server ticks into account, so
		404	blocks.
		405
		406	=cut
		407
		408	sub unlzf($) {
		409	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		410	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		411	Compress::LZF::decompress $_[0]
		412	}
		413
		414	=item cf::post_init { BLOCK }
		415
		416	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		417	but I<before> the server starts ticking again.
		418
		419	The codeblock will have a single boolean argument to indicate whether this
		420	is a reload or not.
		421
		422	=cut
		423
		424	sub post_init(&) {
		425	push @POST_INIT, shift;
		426	}
		427
		428	sub _post_init {
		429	trace "running post_init jobs";
		430
		431	# run them in parallel...
		432
		433	my @join;
		434
		435	while () {
		436	push @join, map &Coro::async ($_, 0), @POST_INIT;
		437	@POST_INIT = ();
		438
		439	@join or last;
		440
		441	(pop @join)->join;
		442	}
		443	}
267		444
268	=item cf::lock_wait $string	445	=item cf::lock_wait $string
269		446
270	Wait until the given lock is available. See cf::lock_acquire.	447	Wait until the given lock is available. See cf::lock_acquire.
271		448
272	=item my $lock = cf::lock_acquire $string	449	=item my $lock = cf::lock_acquire $string
273		450
274	Wait until the given lock is available and then acquires it and returns	451	Wait until the given lock is available and then acquires it and returns
275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	452	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
276	for example when the coroutine gets canceled), the lock is automatically	453	for example when the coroutine gets canceled), the lock is automatically
277	returned.	454	returned.
278		455
279	Locks are *not* recursive, locking from the same coro twice results in a	456	Locks are *not* recursive, locking from the same coro twice results in a
280	deadlocked coro.	457	deadlocked coro.
…		…
286		463
287	Return true if the lock is currently active, i.e. somebody has locked it.	464	Return true if the lock is currently active, i.e. somebody has locked it.
288		465
289	=cut	466	=cut
290		467
291	our %LOCK;	468	our $LOCKS = new Coro::SemaphoreSet;
292	our %LOCKER;#d#
293		469
294	sub lock_wait($) {	470	sub lock_wait($) {
295	my ($key) = @_;	471	$LOCKS->wait ($_[0]);
296
297	if ($LOCKER{$key} == $Coro::current) {#d#
298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
299	return;#d#
300	}#d#
301
302	# wait for lock, if any
303	while ($LOCK{$key}) {
304	push @{ $LOCK{$key} }, $Coro::current;
305	Coro::schedule;
306	}
307	}	472	}
308		473
309	sub lock_acquire($) {	474	sub lock_acquire($) {
310	my ($key) = @_;	475	$LOCKS->guard ($_[0])
311
312	# wait, to be sure we are not locked
313	lock_wait $key;
314
315	$LOCK{$key} = [];
316	$LOCKER{$key} = $Coro::current;#d#
317
318	Coro::guard {
319	delete $LOCKER{$key};#d#
320	# wake up all waiters, to be on the safe side
321	$_->ready for @{ delete $LOCK{$key} };
322	}
323	}	476	}
324		477
325	sub lock_active($) {	478	sub lock_active($) {
326	my ($key) = @_;	479	$LOCKS->count ($_[0]) < 1
327
328	! ! $LOCK{$key}
329	}	480	}
330		481
331	sub freeze_mainloop {	482	sub freeze_mainloop {
332	return unless $TICK_WATCHER->is_active;	483	tick_inhibit_inc;
333		484
334	my $guard = Coro::guard {	485	&Guard::guard (\&tick_inhibit_dec);
335	$TICK_WATCHER->start;	486	}
336	};	487
337	$TICK_WATCHER->stop;	488	=item cf::periodic $interval, $cb
338	$guard	489
		490	Like EV::periodic, but randomly selects a starting point so that the actions
		491	get spread over time.
		492
		493	=cut
		494
		495	sub periodic($$) {
		496	my ($interval, $cb) = @_;
		497
		498	my $start = rand List::Util::min 180, $interval;
		499
		500	EV::periodic $start, $interval, 0, $cb
339	}	501	}
340		502
341	=item cf::get_slot $time[, $priority[, $name]]	503	=item cf::get_slot $time[, $priority[, $name]]
342		504
343	Allocate $time seconds of blocking CPU time at priority C<$priority>:	505	Allocate $time seconds of blocking CPU time at priority C<$priority>
344	This call blocks and returns only when you have at least C<$time> seconds	506	(default: 0): This call blocks and returns only when you have at least
345	of cpu time till the next tick. The slot is only valid till the next cede.	507	C<$time> seconds of cpu time till the next tick. The slot is only valid
		508	till the next cede.
		509
		510	Background jobs should use a priority les than zero, interactive jobs
		511	should use 100 or more.
346		512
347	The optional C<$name> can be used to identify the job to run. It might be	513	The optional C<$name> can be used to identify the job to run. It might be
348	used for statistical purposes and should identify the same time-class.	514	used for statistical purposes and should identify the same time-class.
349		515
350	Useful for short background jobs.	516	Useful for short background jobs.
351		517
352	=cut	518	=cut
353		519
354	our @SLOT_QUEUE;	520	our @SLOT_QUEUE;
355	our $SLOT_QUEUE;	521	our $SLOT_QUEUE;
		522	our $SLOT_DECAY = 0.9;
356		523
357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	524	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
358	$SLOT_QUEUE = Coro::async {	525	$SLOT_QUEUE = Coro::async {
359	$Coro::current->desc ("timeslot manager");	526	$Coro::current->desc ("timeslot manager");
360		527
361	my $signal = new Coro::Signal;	528	my $signal = new Coro::Signal;
		529	my $busy;
362		530
363	while () {	531	while () {
364	next_job:	532	next_job:
		533
365	my $avail = cf::till_tick;	534	my $avail = cf::till_tick;
366	if ($avail > 0.01) {	535
367	for (0 .. $#SLOT_QUEUE) {	536	for (0 .. $#SLOT_QUEUE) {
368	if ($SLOT_QUEUE[$_][0] < $avail) {	537	if ($SLOT_QUEUE[$_][0] <= $avail) {
		538	$busy = 0;
369	my $job = splice @SLOT_QUEUE, $_, 1, ();	539	my $job = splice @SLOT_QUEUE, $_, 1, ();
370	$job->[2]->send;	540	$job->[2]->send;
371	Coro::cede;	541	Coro::cede;
372	goto next_job;	542	goto next_job;
373	}	543	} else {
		544	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
374	}	545	}
375	}	546	}
376		547
377	if (@SLOT_QUEUE) {	548	if (@SLOT_QUEUE) {
378	# we do not use wait_for_tick() as it returns immediately when tick is inactive	549	# we do not use wait_for_tick() as it returns immediately when tick is inactive
379	push @cf::WAIT_FOR_TICK, $signal;	550	push @cf::WAIT_FOR_TICK, $signal;
380	$signal->wait;	551	$signal->wait;
381	} else {	552	} else {
		553	$busy = 0;
382	Coro::schedule;	554	Coro::schedule;
383	}	555	}
384	}	556	}
385	};	557	};
386		558
387	sub get_slot($;$$) {	559	sub get_slot($;$$) {
		560	return if tick_inhibit || $Coro::current == $Coro::main;
		561
388	my ($time, $pri, $name) = @_;	562	my ($time, $pri, $name) = @_;
389		563
390	$time = $TICK * .6 if $time > $TICK * .6;	564	$time = clamp $time, 0.01, $TICK * .6;
		565
391	my $sig = new Coro::Signal;	566	my $sig = new Coro::Signal;
392		567
393	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	568	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
394	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	569	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
395	$SLOT_QUEUE->ready;	570	$SLOT_QUEUE->ready;
…		…
406		581
407	BEGIN { *async = \&Coro::async_pool }	582	BEGIN { *async = \&Coro::async_pool }
408		583
409	=item cf::sync_job { BLOCK }	584	=item cf::sync_job { BLOCK }
410		585
411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	586	The design of Deliantra requires that the main coroutine ($Coro::main)
412	is always able to handle events or runnable, as Crossfire TRT is only	587	is always able to handle events or runnable, as Deliantra is only
413	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	588	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
414	acceptable.	589	acceptable.
415		590
416	If it must be done, put the blocking parts into C<sync_job>. This will run	591	If it must be done, put the blocking parts into C<sync_job>. This will run
417	the given BLOCK in another coroutine while waiting for the result. The	592	the given BLOCK in another coroutine while waiting for the result. The
…		…
421	=cut	596	=cut
422		597
423	sub sync_job(&) {	598	sub sync_job(&) {
424	my ($job) = @_;	599	my ($job) = @_;
425		600
426	if ($Coro::current == $Coro::main) {	601	if (in_main) {
427	my $time = Event::time;	602	my $time = AE::time;
428		603
429	# this is the main coro, too bad, we have to block	604	# this is the main coro, too bad, we have to block
430	# till the operation succeeds, freezing the server :/	605	# till the operation succeeds, freezing the server :/
431		606
432	LOG llevError | logBacktrace, Carp::longmess "sync job";#d#	607	#LOG llevError, Carp::longmess "sync job";#d#
433		608
434	# TODO: use suspend/resume instead
435	# (but this is cancel-safe)
436	my $freeze_guard = freeze_mainloop;	609	my $freeze_guard = freeze_mainloop;
437		610
438	my $busy = 1;	611	my $busy = 1;
439	my @res;	612	my @res;
440		613
441	(async {	614	(async {
442	$Coro::current->desc ("sync job coro");	615	$Coro::current->desc ("sync job coro");
443	@res = eval { $job->() };	616	@res = eval { $job->() };
444	warn $@ if $@;	617	error $@ if $@;
445	undef $busy;	618	undef $busy;
446	})->prio (Coro::PRIO_MAX);	619	})->prio (Coro::PRIO_MAX);
447		620
448	while ($busy) {	621	while ($busy) {
449	Coro::cede or Event::one_event;	622	if (Coro::nready) {
		623	Coro::cede_notself;
		624	} else {
		625	EV::loop EV::LOOP_ONESHOT;
450	}	626	}
		627	}
451		628
452	$time = Event::time - $time;	629	my $time = AE::time - $time;
453		630
454	LOG llevError | logBacktrace, Carp::longmess "long sync job"
455	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
456
457	$tick_start += $time; # do not account sync jobs to server load	631	$TICK_START += $time; # do not account sync jobs to server load
458		632
459	wantarray ? @res : $res[0]	633	wantarray ? @res : $res[0]
460	} else {	634	} else {
461	# we are in another coroutine, how wonderful, everything just works	635	# we are in another coroutine, how wonderful, everything just works
462		636
…		…
482	$EXT_CORO{$coro+0} = $coro;	656	$EXT_CORO{$coro+0} = $coro;
483		657
484	$coro	658	$coro
485	}	659	}
486		660
487	=item fork_call { }, $args	661	=item fork_call { }, @args
488		662
489	Executes the given code block with the given arguments in a seperate	663	Executes the given code block with the given arguments in a seperate
490	process, returning the results. Everything must be serialisable with	664	process, returning the results. Everything must be serialisable with
491	Coro::Storable. May, of course, block. Note that the executed sub may	665	Coro::Storable. May, of course, block. Note that the executed sub may
492	never block itself or use any form of Event handling.	666	never block itself or use any form of event handling.
493		667
494	=cut	668	=cut
		669
		670	sub post_fork {
		671	reset_signals;
		672	}
495		673
496	sub fork_call(&@) {	674	sub fork_call(&@) {
497	my ($cb, @args) = @_;	675	my ($cb, @args) = @_;
498		676
499	# we seemingly have to make a local copy of the whole thing,	677	# we seemingly have to make a local copy of the whole thing,
500	# otherwise perl prematurely frees the stuff :/	678	# otherwise perl prematurely frees the stuff :/
501	# TODO: investigate and fix (likely this will be rather laborious)	679	# TODO: investigate and fix (likely this will be rather laborious)
502		680
503	my @res = Coro::Util::fork_eval {	681	my @res = Coro::Util::fork_eval {
504	reset_signals;	682	cf::post_fork;
505	&$cb	683	&$cb
506	}, @args;	684	} @args;
507		685
508	wantarray ? @res : $res[-1]	686	wantarray ? @res : $res[-1]
		687	}
		688
		689	sub objinfo {
		690	(
		691	"counter value" => cf::object::object_count,
		692	"objects created" => cf::object::create_count,
		693	"objects destroyed" => cf::object::destroy_count,
		694	"freelist size" => cf::object::free_count,
		695	"allocated objects" => cf::object::objects_size,
		696	"active objects" => cf::object::actives_size,
		697	)
		698	}
		699
		700	=item $coin = coin_from_name $name
		701
		702	=cut
		703
		704	our %coin_alias = (
		705	"silver" => "silvercoin",
		706	"silvercoin" => "silvercoin",
		707	"silvercoins" => "silvercoin",
		708	"gold" => "goldcoin",
		709	"goldcoin" => "goldcoin",
		710	"goldcoins" => "goldcoin",
		711	"platinum" => "platinacoin",
		712	"platinumcoin" => "platinacoin",
		713	"platinumcoins" => "platinacoin",
		714	"platina" => "platinacoin",
		715	"platinacoin" => "platinacoin",
		716	"platinacoins" => "platinacoin",
		717	"royalty" => "royalty",
		718	"royalties" => "royalty",
		719	);
		720
		721	sub coin_from_name($) {
		722	$coin_alias{$_[0]}
		723	? cf::arch::find $coin_alias{$_[0]}
		724	: undef
509	}	725	}
510		726
511	=item $value = cf::db_get $family => $key	727	=item $value = cf::db_get $family => $key
512		728
513	Returns a single value from the environment database.	729	Returns a single value from the environment database.
…		…
523	within each server.	739	within each server.
524		740
525	=cut	741	=cut
526		742
527	sub db_table($) {	743	sub db_table($) {
		744	cf::error "db_get called from main context"
		745	if $Coro::current == $Coro::main;
		746
528	my ($name) = @_;	747	my ($name) = @_;
529	my $db = BDB::db_create $DB_ENV;	748	my $db = BDB::db_create $DB_ENV;
530		749
531	eval {	750	eval {
532	$db->set_flags (BDB::CHKSUM);	751	$db->set_flags (BDB::CHKSUM);
…		…
542	}	761	}
543		762
544	our $DB;	763	our $DB;
545		764
546	sub db_init {	765	sub db_init {
547	cf::sync_job {
548	$DB ||= db_table "db";	766	$DB ||= db_table "db";
549	};
550	}	767	}
551		768
552	sub db_get($$) {	769	sub db_get($$) {
553	my $key = "$_[0]/$_[1]";	770	my $key = "$_[0]/$_[1]";
554		771
555	cf::sync_job {	772	cf::error "db_get called from main context"
		773	if $Coro::current == $Coro::main;
		774
556	BDB::db_get $DB, undef, $key, my $data;	775	BDB::db_get $DB, undef, $key, my $data;
557		776
558	$! ? ()	777	$! ? ()
559	: $data	778	: $data
560	}
561	}	779	}
562		780
563	sub db_put($$$) {	781	sub db_put($$$) {
564	BDB::dbreq_pri 4;	782	BDB::dbreq_pri 4;
565	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	783	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
593		811
594	my @data;	812	my @data;
595	my $md5;	813	my $md5;
596		814
597	for (0 .. $#$src) {	815	for (0 .. $#$src) {
598	0 <= aio_load $src->[$_], $data[$_]	816	$data[$_] = load_file $src->[$_];
599	or Carp::croak "$src->[$_]: $!";
600	}	817	}
601		818
602	# if processing is expensive, check	819	# if processing is expensive, check
603	# checksum first	820	# checksum first
604	if (1) {	821	if (1) {
…		…
621		838
622	my $t1 = Time::HiRes::time;	839	my $t1 = Time::HiRes::time;
623	my $data = $process->(\@data);	840	my $data = $process->(\@data);
624	my $t2 = Time::HiRes::time;	841	my $t2 = Time::HiRes::time;
625		842
626	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	843	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
627		844
628	db_put cache => "$id/data", $data;	845	db_put cache => "$id/data", $data;
629	db_put cache => "$id/md5" , $md5;	846	db_put cache => "$id/md5" , $md5;
630	db_put cache => "$id/meta", $meta;	847	db_put cache => "$id/meta", $meta;
631		848
…		…
641		858
642	=cut	859	=cut
643		860
644	sub datalog($@) {	861	sub datalog($@) {
645	my ($type, %kv) = @_;	862	my ($type, %kv) = @_;
646	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	863	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
647	}	864	}
648		865
649	=back	866	=back
650		867
651	=cut	868	=cut
652		869
653	#############################################################################	870	#############################################################################
654		871
655	=head2 ATTACHABLE OBJECTS	872	=head2 ATTACHABLE OBJECTS
656		873
657	Many objects in crossfire are so-called attachable objects. That means you can	874	Many objects in deliantra are so-called attachable objects. That means you can
658	attach callbacks/event handlers (a collection of which is called an "attachment")	875	attach callbacks/event handlers (a collection of which is called an "attachment")
659	to it. All such attachable objects support the following methods.	876	to it. All such attachable objects support the following methods.
660		877
661	In the following description, CLASS can be any of C<global>, C<object>	878	In the following description, CLASS can be any of C<global>, C<object>
662	C<player>, C<client> or C<map> (i.e. the attachable objects in	879	C<player>, C<client> or C<map> (i.e. the attachable objects in
663	Crossfire TRT).	880	Deliantra).
664		881
665	=over 4	882	=over 4
666		883
667	=item $attachable->attach ($attachment, key => $value...)	884	=item $attachable->attach ($attachment, key => $value...)
668		885
…		…
712	=item cf::CLASS::attachment $name, ...	929	=item cf::CLASS::attachment $name, ...
713		930
714	Register an attachment by C<$name> through which attachable objects of the	931	Register an attachment by C<$name> through which attachable objects of the
715	given CLASS can refer to this attachment.	932	given CLASS can refer to this attachment.
716		933
717	Some classes such as crossfire maps and objects can specify attachments	934	Some classes such as deliantra maps and objects can specify attachments
718	that are attached at load/instantiate time, thus the need for a name.	935	that are attached at load/instantiate time, thus the need for a name.
719		936
720	These calls expect any number of the following handler/hook descriptions:	937	These calls expect any number of the following handler/hook descriptions:
721		938
722	=over 4	939	=over 4
…		…
846		1063
847	} elsif (exists $cb_id{$type}) {	1064	} elsif (exists $cb_id{$type}) {
848	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1065	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
849		1066
850	} elsif (ref $type) {	1067	} elsif (ref $type) {
851	warn "attaching objects not supported, ignoring.\n";	1068	error "attaching objects not supported, ignoring.\n";
852		1069
853	} else {	1070	} else {
854	shift @arg;	1071	shift @arg;
855	warn "attach argument '$type' not supported, ignoring.\n";	1072	error "attach argument '$type' not supported, ignoring.\n";
856	}	1073	}
857	}	1074	}
858	}	1075	}
859		1076
860	sub _object_attach {	1077	sub _object_attach {
…		…
870	_attach $registry, $klass, @attach;	1087	_attach $registry, $klass, @attach;
871	}	1088	}
872		1089
873	$obj->{$name} = \%arg;	1090	$obj->{$name} = \%arg;
874	} else {	1091	} else {
875	warn "object uses attachment '$name' which is not available, postponing.\n";	1092	info "object uses attachment '$name' which is not available, postponing.\n";
876	}	1093	}
877		1094
878	$obj->{_attachment}{$name} = undef;	1095	$obj->{_attachment}{$name} = undef;
879	}	1096	}
880		1097
…		…
939		1156
940	for (@$callbacks) {	1157	for (@$callbacks) {
941	eval { &{$_->[1]} };	1158	eval { &{$_->[1]} };
942		1159
943	if ($@) {	1160	if ($@) {
944	warn "$@";
945	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1161	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
946	override;	1162	override;
947	}	1163	}
948		1164
949	return 1 if $override;	1165	return 1 if $override;
950	}	1166	}
951		1167
952	0	1168	0
953	}	1169	}
954		1170
955	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1171	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
956		1172
957	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1173	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
958		1174
959	Generate an object-specific event with the given arguments.	1175	Generate an object-specific event with the given arguments.
960		1176
…		…
966		1182
967	=cut	1183	=cut
968		1184
969	#############################################################################	1185	#############################################################################
970	# object support	1186	# object support
971	#
972		1187
		1188	sub _object_equal($$);
		1189	sub _object_equal($$) {
		1190	my ($a, $b) = @_;
		1191
		1192	return 0 unless (ref $a) eq (ref $b);
		1193
		1194	if ("HASH" eq ref $a) {
		1195	my @ka = keys %$a;
		1196	my @kb = keys %$b;
		1197
		1198	return 0 if @ka != @kb;
		1199
		1200	for (0 .. $#ka) {
		1201	return 0 unless $ka[$_] eq $kb[$_];
		1202	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1203	}
		1204
		1205	} elsif ("ARRAY" eq ref $a) {
		1206
		1207	return 0 if @$a != @$b;
		1208
		1209	for (0 .. $#$a) {
		1210	return 0 unless _object_equal $a->[$_], $b->[$_];
		1211	}
		1212
		1213	} elsif ($a ne $b) {
		1214	return 0;
		1215	}
		1216
		1217	1
		1218	}
		1219
		1220	our $SLOW_MERGES;#d#
973	sub _can_merge {	1221	sub _can_merge {
974	my ($ob1, $ob2) = @_;	1222	my ($ob1, $ob2) = @_;
975		1223
976	local $Storable::canonical = 1;	1224	++$SLOW_MERGES;#d#
977	my $fob1 = Storable::freeze $ob1;
978	my $fob2 = Storable::freeze $ob2;
979		1225
980	$fob1 eq $fob2	1226	# we do the slow way here
		1227	return _object_equal $ob1, $ob2
981	}	1228	}
982		1229
983	sub reattach {	1230	sub reattach {
984	# basically do the same as instantiate, without calling instantiate	1231	# basically do the same as instantiate, without calling instantiate
985	my ($obj) = @_;	1232	my ($obj) = @_;
986		1233
		1234	# no longer needed after getting rid of delete_package?
987	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
988		1236
989	my $registry = $obj->registry;	1237	my $registry = $obj->registry;
990		1238
991	@$registry = ();	1239	@$registry = ();
992		1240
…		…
997	for (@$attach) {	1245	for (@$attach) {
998	my ($klass, @attach) = @$_;	1246	my ($klass, @attach) = @$_;
999	_attach $registry, $klass, @attach;	1247	_attach $registry, $klass, @attach;
1000	}	1248	}
1001	} else {	1249	} else {
1002	warn "object uses attachment '$name' that is not available, postponing.\n";	1250	info "object uses attachment '$name' that is not available, postponing.\n";
1003	}	1251	}
1004	}	1252	}
1005	}	1253	}
1006		1254
1007	cf::attachable->attach (	1255	cf::attachable->attach (
1008	prio => -1000000,	1256	prio => -1000000,
1009	on_instantiate => sub {	1257	on_instantiate => sub {
1010	my ($obj, $data) = @_;	1258	my ($obj, $data) = @_;
1011		1259
1012	$data = from_json $data;	1260	$data = decode_json $data;
1013		1261
1014	for (@$data) {	1262	for (@$data) {
1015	my ($name, $args) = @$_;	1263	my ($name, $args) = @$_;
1016		1264
1017	$obj->attach ($name, %{$args || {} });	1265	$obj->attach ($name, %{$args || {} });
…		…
1034	my ($filename, $rdata, $objs) = @_;	1282	my ($filename, $rdata, $objs) = @_;
1035		1283
1036	sync_job {	1284	sync_job {
1037	if (length $$rdata) {	1285	if (length $$rdata) {
1038	utf8::decode (my $decname = $filename);	1286	utf8::decode (my $decname = $filename);
1039	warn sprintf "saving %s (%d,%d)\n",	1287	trace sprintf "saving %s (%d,%d)\n",
1040	$decname, length $$rdata, scalar @$objs;	1288	$decname, length $$rdata, scalar @$objs
		1289	if $VERBOSE_IO;
1041		1290
1042	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1291	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1043	chmod SAVE_MODE, $fh;	1292	aio_chmod $fh, SAVE_MODE;
1044	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1293	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1045	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	}
1046	close $fh;	1298	aio_close $fh;
1047		1299
1048	if (@$objs) {	1300	if (@$objs) {
1049	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) {
1050	chmod SAVE_MODE, $fh;	1302	aio_chmod $fh, SAVE_MODE;
1051	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1303	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1052	aio_write $fh, 0, (length $data), $data, 0;	1304	aio_write $fh, 0, (length $data), $data, 0;
1053	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	}
1054	close $fh;	1309	aio_close $fh;
1055	aio_rename "$filename.pst~", "$filename.pst";	1310	aio_rename "$filename.pst~", "$filename.pst";
1056	}	1311	}
1057	} else {	1312	} else {
1058	aio_unlink "$filename.pst";	1313	aio_unlink "$filename.pst";
1059	}	1314	}
1060		1315
1061	aio_rename "$filename~", $filename;	1316	aio_rename "$filename~", $filename;
		1317
		1318	$filename =~ s%/[^/]+$%%;
		1319	aio_pathsync $filename if $cf::USE_FSYNC;
1062	} else {	1320	} else {
1063	warn "FATAL: $filename~: $!\n";	1321	error "unable to save objects: $filename~: $!\n";
1064	}	1322	}
1065	} else {	1323	} else {
1066	aio_unlink $filename;	1324	aio_unlink $filename;
1067	aio_unlink "$filename.pst";	1325	aio_unlink "$filename.pst";
1068	}	1326	}
…		…
1087		1345
1088	unless (aio_stat "$filename.pst") {	1346	unless (aio_stat "$filename.pst") {
1089	(aio_load "$filename.pst", $av) >= 0	1347	(aio_load "$filename.pst", $av) >= 0
1090	or return;	1348	or return;
1091		1349
1092	my $st = eval { Coro::Storable::thaw $av }	1350	my $st = eval { Coro::Storable::thaw $av };
1093	|| eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
1094	$av = $st->{objs};	1351	$av = $st->{objs};
1095	}	1352	}
1096		1353
1097	utf8::decode (my $decname = $filename);	1354	utf8::decode (my $decname = $filename);
1098	warn sprintf "loading %s (%d,%d)\n",	1355	trace sprintf "loading %s (%d,%d)\n",
1099	$decname, length $data, scalar @{$av || []};	1356	$decname, length $data, scalar @{$av || []}
		1357	if $VERBOSE_IO;
1100		1358
1101	($data, $av)	1359	($data, $av)
1102	}	1360	}
1103		1361
1104	=head2 COMMAND CALLBACKS	1362	=head2 COMMAND CALLBACKS
…		…
1160	my ($name, $cb) = @_;	1418	my ($name, $cb) = @_;
1161		1419
1162	$EXTICMD{$name} = $cb;	1420	$EXTICMD{$name} = $cb;
1163	}	1421	}
1164		1422
		1423	use File::Glob ();
		1424
1165	cf::player->attach (	1425	cf::player->attach (
1166	on_command => sub {	1426	on_unknown_command => sub {
1167	my ($pl, $name, $params) = @_;	1427	my ($pl, $name, $params) = @_;
1168		1428
1169	my $cb = $COMMAND{$name}	1429	my $cb = $COMMAND{$name}
1170	or return;	1430	or return;
1171		1431
…		…
1194		1454
1195	$pl->ext_reply ($reply, @reply)	1455	$pl->ext_reply ($reply, @reply)
1196	if $reply;	1456	if $reply;
1197		1457
1198	} else {	1458	} else {
1199	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1459	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1200	}	1460	}
1201		1461
1202	cf::override;	1462	cf::override;
1203	},	1463	},
1204	);	1464	);
1205		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
1206	sub load_extensions {	1479	sub load_extensions {
		1480	info "loading extensions...";
		1481
1207	cf::sync_job {	1482	cf::sync_job {
1208	my %todo;	1483	my %todo;
1209		1484
1210	for my $path (<$LIBDIR/*.ext>) {	1485	for my $path (<$LIBDIR/*.ext>) {
1211	next unless -r $path;	1486	next unless -r $path;
…		…
1229		1504
1230	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1505	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1231	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1506	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1232		1507
1233	$ext{source} =	1508	$ext{source} =
1234	"package $pkg; use strict; use utf8;\n"	1509	"package $pkg; use common::sense;\n"
1235	. "#line 1 \"$path\"\n{\n"	1510	. "#line 1 \"$path\"\n{\n"
1236	. $source	1511	. $source
1237	. "\n};\n1";	1512	. "\n};\n1";
1238		1513
1239	$todo{$base} = \%ext;	1514	$todo{$base} = \%ext;
1240	}	1515	}
1241		1516
		1517	my $pass = 0;
1242	my %done;	1518	my %done;
1243	while (%todo) {	1519	while (%todo) {
1244	my $progress;	1520	my $progress;
1245		1521
		1522	++$pass;
		1523
		1524	ext:
1246	while (my ($k, $v) = each %todo) {	1525	while (my ($k, $v) = each %todo) {
1247	for (split /,\s*/, $v->{meta}{depends}) {	1526	for (split /,\s*/, $v->{meta}{depends}) {
1248	goto skip	1527	next ext
1249	unless exists $done{$_};	1528	unless exists $done{$_};
1250	}	1529	}
1251		1530
1252	warn "... loading '$k' into '$v->{pkg}'\n";	1531	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1253		1532
1254	unless (eval $v->{source}) {	1533	my $active = eval $v->{source};
		1534
		1535	if (length $@) {
1255	my $msg = $@ ? "$v->{path}: $@\n"	1536	error "$v->{path}: $@\n";
1256	: "$v->{base}: extension inactive.\n";
1257		1537
		1538	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1258	if (exists $v->{meta}{mandatory}) {	1539	if exists $v->{meta}{mandatory};
1259	warn $msg;	1540
1260	warn "mandatory extension failed to load, exiting.\n";	1541	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1261	exit 1;	1542	delete $todo{$k};
1262	}	1543	} else {
1263		1544	$done{$k} = delete $todo{$k};
1264	warn $msg;	1545	push @EXTS, $v->{pkg};
		1546	$progress = 1;
		1547
		1548	info "$v->{base}: extension inactive.\n"
		1549	unless $active;
1265	}	1550	}
1266
1267	$done{$k} = delete $todo{$k};
1268	push @EXTS, $v->{pkg};
1269	$progress = 1;
1270	}	1551	}
1271		1552
1272	skip:	1553	unless ($progress) {
1273	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1554	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1274	unless $progress;	1555
		1556	while (my ($k, $v) = each %todo) {
		1557	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1558	if exists $v->{meta}{mandatory};
		1559	}
		1560
		1561	last;
		1562	}
1275	}	1563	}
1276	};	1564	};
1277	}	1565	}
1278		1566
1279	#############################################################################	1567	#############################################################################
1280		1568
1281	=back	1569	=back
1282		1570
1283	=head2 CORE EXTENSIONS	1571	=head2 CORE EXTENSIONS
1284		1572
1285	Functions and methods that extend core crossfire objects.	1573	Functions and methods that extend core deliantra objects.
1286		1574
1287	=cut	1575	=cut
1288		1576
1289	package cf::player;	1577	package cf::player;
1290		1578
…		…
1333		1621
1334	sub exists($) {	1622	sub exists($) {
1335	my ($login) = @_;	1623	my ($login) = @_;
1336		1624
1337	$cf::PLAYER{$login}	1625	$cf::PLAYER{$login}
1338	or cf::sync_job { !aio_stat path $login }	1626	or !aio_stat path $login
1339	}	1627	}
1340		1628
1341	sub find($) {	1629	sub find($) {
1342	return $cf::PLAYER{$_[0]} || do {	1630	return $cf::PLAYER{$_[0]} || do {
1343	my $login = $_[0];	1631	my $login = $_[0];
…		…
1355	my $f = new_from_file cf::object::thawer path $login	1643	my $f = new_from_file cf::object::thawer path $login
1356	or return;	1644	or return;
1357		1645
1358	my $pl = cf::player::load_pl $f	1646	my $pl = cf::player::load_pl $f
1359	or return;	1647	or return;
		1648
1360	local $cf::PLAYER_LOADING{$login} = $pl;	1649	local $cf::PLAYER_LOADING{$login} = $pl;
1361	$f->resolve_delayed_derefs;	1650	$f->resolve_delayed_derefs;
1362	$cf::PLAYER{$login} = $pl	1651	$cf::PLAYER{$login} = $pl
1363	}	1652	}
1364	}	1653	}
1365	}	1654	}
1366		1655
		1656	cf::player->attach (
		1657	on_load => sub {
		1658	my ($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
1367	sub save($) {	1669	sub save($) {
1368	my ($pl) = @_;	1670	my ($pl) = @_;
1369		1671
1370	return if $pl->{deny_save};	1672	return if $pl->{deny_save};
1371		1673
…		…
1374		1676
1375	return if $pl->{deny_save};	1677	return if $pl->{deny_save};
1376		1678
1377	aio_mkdir playerdir $pl, 0770;	1679	aio_mkdir playerdir $pl, 0770;
1378	$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];
1379		1686
1380	$pl->save_pl ($path);	1687	$pl->save_pl ($path);
1381	cf::cede_to_tick;	1688	cf::cede_to_tick;
1382	}	1689	}
1383		1690
…		…
1415	my ($pl) = @_;	1722	my ($pl) = @_;
1416		1723
1417	my $name = $pl->ob->name;	1724	my $name = $pl->ob->name;
1418		1725
1419	$pl->{deny_save} = 1;	1726	$pl->{deny_save} = 1;
1420	$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
1421		1728
1422	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1729	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1423	$pl->deactivate;	1730	$pl->deactivate;
		1731
		1732	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1424	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1733	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1734	ext::highscore::check ($pl->ob);
		1735
1425	$pl->ns->destroy if $pl->ns;	1736	$pl->ns->destroy if $pl->ns;
1426		1737
1427	my $path = playerdir $pl;	1738	my $path = playerdir $pl;
1428	my $temp = "$path~$cf::RUNTIME~deleting~";	1739	my $temp = "$path~$cf::RUNTIME~deleting~";
1429	aio_rename $path, $temp;	1740	aio_rename $path, $temp;
…		…
1467		1778
1468	for my $login (@$dirs) {	1779	for my $login (@$dirs) {
1469	my $path = path $login;	1780	my $path = path $login;
1470		1781
1471	# a .pst is a dead give-away for a valid player	1782	# a .pst is a dead give-away for a valid player
1472	unless (-e "$path.pst") {	1783	# if no pst file found, open and chekc for blocked users
		1784	if (aio_stat "$path.pst") {
1473	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1785	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1474	aio_read $fh, 0, 512, my $buf, 0 or next;	1786	aio_read $fh, 0, 512, my $buf, 0 or next;
1475	$buf !~ /^password -------------$/m or next; # official not-valid tag	1787	$buf !~ /^password -------------$/m or next; # official not-valid tag
1476	}	1788	}
1477		1789
…		…
1481		1793
1482	\@logins	1794	\@logins
1483	}	1795	}
1484		1796
1485	=item $player->maps	1797	=item $player->maps
		1798
		1799	=item cf::player::maps $login
1486		1800
1487	Returns an arrayref of map paths that are private for this	1801	Returns an arrayref of map paths that are private for this
1488	player. May block.	1802	player. May block.
1489		1803
1490	=cut	1804	=cut
…		…
1508	}	1822	}
1509		1823
1510	\@paths	1824	\@paths
1511	}	1825	}
1512		1826
1513	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1827	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1514		1828
1515	Expand crossfire pod fragments into protocol xml.	1829	Expand deliantra pod fragments into protocol xml.
1516
1517	=cut
1518
1519	sub expand_cfpod {
1520	((my $self), (local $_)) = @_;
1521
1522	# escape & and <
1523	s/&/&amp;/g;
1524	s/(?<![BIUGHT])</&lt;/g;
1525
1526	# this is buggy, it needs to properly take care of nested <'s
1527
1528	1 while
1529	# replace B<>, I<>, U<> etc.
1530	s/B<([^\>]*)>/<b>$1<\/b>/
1531	|| s/I<([^\>]*)>/<i>$1<\/i>/
1532	|| s/U<([^\>]*)>/<u>$1<\/u>/
1533	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1534	# replace G<male|female> tags
1535	|| s{G<([^>|]*)\|([^>]*)>}{
1536	$self->gender ? $2 : $1
1537	}ge
1538	# replace H<hint text>
1539	|| s{H<([^\>]*)>}
1540	{
1541	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1542	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1543	"")
1544	[$self->{hintmode}]
1545	}ge;
1546
1547	# create single paragraphs (very hackish)
1548	s/(?<=\S)\n(?=\w)/ /g;
1549
1550	# compress some whitespace
1551	s/\s+\n/\n/g; # ws line-ends
1552	s/\n\n+/\n/g; # double lines
1553	s/^\n+//; # beginning lines
1554	s/\n+$//; # ending lines
1555
1556	$_
1557	}
1558
1559	sub hintmode {
1560	$_[0]{hintmode} = $_[1] if @_ > 1;
1561	$_[0]{hintmode}
1562	}
1563		1830
1564	=item $player->ext_reply ($msgid, @msg)	1831	=item $player->ext_reply ($msgid, @msg)
1565		1832
1566	Sends an ext reply to the player.	1833	Sends an ext reply to the player.
1567		1834
…		…
1599		1866
1600	=cut	1867	=cut
1601		1868
1602	sub find_by_path($) {	1869	sub find_by_path($) {
1603	my ($path) = @_;	1870	my ($path) = @_;
		1871
		1872	$path =~ s/^~[^\/]*//; # skip ~login
1604		1873
1605	my ($match, $specificity);	1874	my ($match, $specificity);
1606		1875
1607	for my $region (list) {	1876	for my $region (list) {
1608	if ($region->{match} && $path =~ $region->{match}) {	1877	if ($region->{match} && $path =~ $region->{match}) {
…		…
1634	our $MAX_RESET = 3600;	1903	our $MAX_RESET = 3600;
1635	our $DEFAULT_RESET = 3000;	1904	our $DEFAULT_RESET = 3000;
1636		1905
1637	sub generate_random_map {	1906	sub generate_random_map {
1638	my ($self, $rmp) = @_;	1907	my ($self, $rmp) = @_;
1639	# mit "rum" bekleckern, nicht	1908
		1909	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1910
1640	$self->_create_random_map (	1911	$self->_create_random_map ($rmp);
1641	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1642	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1643	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1644	$rmp->{exit_on_final_map},
1645	$rmp->{xsize}, $rmp->{ysize},
1646	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1647	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1648	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1649	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1650	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1651	(cf::region::find $rmp->{region}), $rmp->{custom}
1652	)
1653	}	1912	}
1654		1913
1655	=item cf::map->register ($regex, $prio)	1914	=item cf::map->register ($regex, $prio)
1656		1915
1657	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
…		…
1662		1921
1663	sub register {	1922	sub register {
1664	my (undef, $regex, $prio) = @_;	1923	my (undef, $regex, $prio) = @_;
1665	my $pkg = caller;	1924	my $pkg = caller;
1666		1925
1667	no strict;
1668	push @{"$pkg\::ISA"}, __PACKAGE__;	1926	push @{"$pkg\::ISA"}, __PACKAGE__;
1669		1927
1670	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1928	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1671	}	1929	}
1672		1930
1673	# also paths starting with '/'	1931	# also paths starting with '/'
1674	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1932	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1675		1933
1676	sub thawer_merge {	1934	sub thawer_merge {
1677	my ($self, $merge) = @_;	1935	my ($self, $merge) = @_;
1678		1936
1679	# we have to keep some variables in memory intact	1937	# we have to keep some variables in memory intact
…		…
1684	}	1942	}
1685		1943
1686	sub normalise {	1944	sub normalise {
1687	my ($path, $base) = @_;	1945	my ($path, $base) = @_;
1688		1946
1689	$path = "$path"; # make sure its a string	1947	$path = "$path"; # make sure it's a string
1690		1948
1691	$path =~ s/\.map$//;	1949	$path =~ s/\.map$//;
1692		1950
1693	# map plan:	1951	# map plan:
1694	#	1952	#
…		…
1696	# {... are special paths that are not being touched	1954	# {... are special paths that are not being touched
1697	# ?xxx/... are special absolute paths	1955	# ?xxx/... are special absolute paths
1698	# ?random/... random maps	1956	# ?random/... random maps
1699	# /... normal maps	1957	# /... normal maps
1700	# ~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
1701		1960
1702	$path =~ s/$PATH_SEP/\//go;	1961	$path =~ s/$PATH_SEP/\//go;
1703		1962
1704	# treat it as relative path if it starts with	1963	# treat it as relative path if it starts with
1705	# something that looks reasonable	1964	# something that looks reasonable
1706	if ($path =~ m{^(?:\./|\.\./|\w)}) {	1965	if ($path =~ m{^(?:\./|\.\./|\w)}) {
1707	$base or Carp::carp "normalise called with relative path and no base: '$path'";	1966	$base or Carp::carp "normalise called with relative path and no base: '$path'";
1708		1967
1709	$base =~ s{[^/]+/?$}{};	1968	$base =~ s{[^/]+/?$}{};
1710	$path = "$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 $dpth;
1711	}	1984	}
1712		1985
1713	for ($path) {	1986	for ($path) {
1714	redo if s{//}{/};
1715	redo if s{/\.?/}{/};	1987	redo if s{/\.?/}{/};
1716	redo if s{/[^/]+/\.\./}{/};	1988	redo if s{/[^/]+/\.\./}{/};
1717	}	1989	}
1718		1990
1719	$path	1991	$path
…		…
1733	$self->init; # pass $1 etc.	2005	$self->init; # pass $1 etc.
1734	return $self;	2006	return $self;
1735	}	2007	}
1736	}	2008	}
1737		2009
1738	Carp::cluck "unable to resolve path '$path' (base '$base').";	2010	Carp::cluck "unable to resolve path '$path' (base '$base')";
1739	()	2011	()
1740	}	2012	}
1741		2013
		2014	# may re-bless or do other evil things
1742	sub init {	2015	sub init {
1743	my ($self) = @_;	2016	my ($self) = @_;
1744		2017
1745	$self	2018	$self
1746	}	2019	}
…		…
1765		2038
1766	# the temporary/swap location	2039	# the temporary/swap location
1767	sub save_path {	2040	sub save_path {
1768	my ($self) = @_;	2041	my ($self) = @_;
1769		2042
1770	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2043	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1771	"$TMPDIR/$path.map"	2044	"$TMPDIR/$path.map"
1772	}	2045	}
1773		2046
1774	# the unique path, undef == no special unique path	2047	# the unique path, undef == no special unique path
1775	sub uniq_path {	2048	sub uniq_path {
1776	my ($self) = @_;	2049	my ($self) = @_;
1777		2050
1778	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2051	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1779	"$UNIQUEDIR/$path"	2052	"$UNIQUEDIR/$path"
1780	}
1781
1782	# and all this just because we cannot iterate over
1783	# all maps in C++...
1784	sub change_all_map_light {
1785	my ($change) = @_;
1786
1787	$_->change_map_light ($change)
1788	for grep $_->outdoor, values %cf::MAP;
1789	}	2053	}
1790		2054
1791	sub decay_objects {	2055	sub decay_objects {
1792	my ($self) = @_;	2056	my ($self) = @_;
1793		2057
…		…
1875		2139
1876	sub find;	2140	sub find;
1877	sub find {	2141	sub find {
1878	my ($path, $origin) = @_;	2142	my ($path, $origin) = @_;
1879		2143
		2144	cf::cede_to_tick;
		2145
1880	$path = normalise $path, $origin && $origin->path;	2146	$path = normalise $path, $origin;
1881		2147
1882	cf::lock_wait "map_data:$path";#d#remove	2148	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1883	cf::lock_wait "map_find:$path";	2149	my $guard2 = cf::lock_acquire "map_find:$path";
1884		2150
1885	$cf::MAP{$path} || do {	2151	$cf::MAP{$path} || do {
1886	my $guard1 = cf::lock_acquire "map_find:$path";
1887	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1888
1889	my $map = new_from_path cf::map $path	2152	my $map = new_from_path cf::map $path
1890	or return;	2153	or return;
1891		2154
1892	$map->{last_save} = $cf::RUNTIME;	2155	$map->{last_save} = $cf::RUNTIME;
1893		2156
…		…
1895	or return;	2158	or return;
1896		2159
1897	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2160	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1898	# doing this can freeze the server in a sync job, obviously	2161	# doing this can freeze the server in a sync job, obviously
1899	#$cf::WAIT_FOR_TICK->wait;	2162	#$cf::WAIT_FOR_TICK->wait;
		2163	undef $guard2;
1900	undef $guard1;	2164	undef $guard1;
1901	undef $guard2;
1902	$map->reset;	2165	$map->reset;
1903	return find $path;	2166	return find $path;
1904	}	2167	}
1905		2168
1906	$cf::MAP{$path} = $map	2169	$cf::MAP{$path} = $map
1907	}	2170	}
1908	}	2171	}
1909		2172
1910	sub pre_load { }	2173	sub pre_load { }
1911	sub post_load { }	2174	#sub post_load { } # XS
1912		2175
1913	sub load {	2176	sub load {
1914	my ($self) = @_;	2177	my ($self) = @_;
1915		2178
1916	local $self->{deny_reset} = 1; # loading can take a long time	2179	local $self->{deny_reset} = 1; # loading can take a long time
…		…
1928	$self->alloc;	2191	$self->alloc;
1929		2192
1930	$self->pre_load;	2193	$self->pre_load;
1931	cf::cede_to_tick;	2194	cf::cede_to_tick;
1932		2195
		2196	if (exists $self->{load_path}) {
1933	my $f = new_from_file cf::object::thawer $self->{load_path};	2197	my $f = new_from_file cf::object::thawer $self->{load_path};
1934	$f->skip_block;	2198	$f->skip_block;
1935	$self->_load_objects ($f)	2199	$self->_load_objects ($f)
1936	or return;	2200	or return;
1937		2201
1938	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2202	$self->post_load_original
1939	if delete $self->{load_original};	2203	if delete $self->{load_original};
1940		2204
1941	if (my $uniq = $self->uniq_path) {	2205	if (my $uniq = $self->uniq_path) {
1942	utf8::encode $uniq;	2206	utf8::encode $uniq;
1943	unless (aio_stat $uniq) {	2207	unless (aio_stat $uniq) {
1944	if (my $f = new_from_file cf::object::thawer $uniq) {	2208	if (my $f = new_from_file cf::object::thawer $uniq) {
1945	$self->clear_unique_items;	2209	$self->clear_unique_items;
1946	$self->_load_objects ($f);	2210	$self->_load_objects ($f);
1947	$f->resolve_delayed_derefs;	2211	$f->resolve_delayed_derefs;
		2212	}
1948	}	2213	}
1949	}	2214	}
1950	}
1951		2215
1952	$f->resolve_delayed_derefs;	2216	$f->resolve_delayed_derefs;
		2217	}
1953		2218
1954	cf::cede_to_tick;	2219	cf::cede_to_tick;
1955	# now do the right thing for maps	2220	# now do the right thing for maps
1956	$self->link_multipart_objects;	2221	$self->link_multipart_objects;
1957	$self->difficulty ($self->estimate_difficulty)	2222	$self->difficulty ($self->estimate_difficulty)
…		…
1961	unless ($self->{deny_activate}) {	2226	unless ($self->{deny_activate}) {
1962	$self->decay_objects;	2227	$self->decay_objects;
1963	$self->fix_auto_apply;	2228	$self->fix_auto_apply;
1964	$self->update_buttons;	2229	$self->update_buttons;
1965	cf::cede_to_tick;	2230	cf::cede_to_tick;
1966	$self->set_darkness_map;
1967	cf::cede_to_tick;
1968	$self->activate;	2231	$self->activate;
1969	}	2232	}
1970		2233
1971	$self->{last_save} = $cf::RUNTIME;	2234	$self->{last_save} = $cf::RUNTIME;
1972	$self->last_access ($cf::RUNTIME);	2235	$self->last_access ($cf::RUNTIME);
1973		2236
1974	$self->in_memory (cf::MAP_IN_MEMORY);	2237	$self->in_memory (cf::MAP_ACTIVE);
1975	}	2238	}
1976		2239
1977	$self->post_load;	2240	$self->post_load;
1978	}
1979		2241
		2242	1
		2243	}
		2244
		2245	# customize the map for a given player, i.e.
		2246	# return the _real_ map. used by e.g. per-player
		2247	# maps to change the path to ~playername/mappath
1980	sub customise_for {	2248	sub customise_for {
1981	my ($self, $ob) = @_;	2249	my ($self, $ob) = @_;
1982		2250
1983	return find "~" . $ob->name . "/" . $self->{path}	2251	return find "~" . $ob->name . "/" . $self->{path}
1984	if $self->per_player;	2252	if $self->per_player;
…		…
2000	or next;	2268	or next;
2001	$neigh = find $neigh, $map	2269	$neigh = find $neigh, $map
2002	or next;	2270	or next;
2003	$neigh->load;	2271	$neigh->load;
2004		2272
		2273	# now find the diagonal neighbours
2005	push @neigh,	2274	push @neigh,
2006	[$neigh->tile_path (($_ + 3) % 4), $neigh],	2275	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2007	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2276	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2008	}	2277	}
2009		2278
…		…
2016	}	2285	}
2017		2286
2018	sub find_sync {	2287	sub find_sync {
2019	my ($path, $origin) = @_;	2288	my ($path, $origin) = @_;
2020		2289
2021	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, $origin
2022	}	2294	}
2023		2295
2024	sub do_load_sync {	2296	sub do_load_sync {
2025	my ($map) = @_;	2297	my ($map) = @_;
2026		2298
2027	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2299	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2028	if $Coro::current == $Coro::main;	2300	if $Coro::current == $Coro::main;
2029		2301
2030	cf::sync_job { $map->load };	2302	$map->load;
2031	}	2303	}
2032		2304
2033	our %MAP_PREFETCH;	2305	our %MAP_PREFETCH;
2034	our $MAP_PREFETCHER = undef;	2306	our $MAP_PREFETCHER = undef;
2035		2307
2036	sub find_async {	2308	sub find_async {
2037	my ($path, $origin, $load) = @_;	2309	my ($path, $origin, $load) = @_;
2038		2310
2039	$path = normalise $path, $origin && $origin->{path};	2311	$path = normalise $path, $origin;
2040		2312
2041	if (my $map = $cf::MAP{$path}) {	2313	if (my $map = $cf::MAP{$path}) {
2042	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2314	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2043	}	2315	}
2044		2316
2045	$MAP_PREFETCH{$path} |= $load;	2317	$MAP_PREFETCH{$path} |= $load;
2046		2318
2047	$MAP_PREFETCHER ||= cf::async {	2319	$MAP_PREFETCHER ||= cf::async {
…		…
2061	$MAP_PREFETCHER->prio (6);	2333	$MAP_PREFETCHER->prio (6);
2062		2334
2063	()	2335	()
2064	}	2336	}
2065		2337
		2338	# common code, used by both ->save and ->swapout
2066	sub save {	2339	sub _save {
2067	my ($self) = @_;	2340	my ($self) = @_;
2068
2069	my $lock = cf::lock_acquire "map_data:$self->{path}";
2070		2341
2071	$self->{last_save} = $cf::RUNTIME;	2342	$self->{last_save} = $cf::RUNTIME;
2072		2343
2073	return unless $self->dirty;	2344	return unless $self->dirty;
2074		2345
…		…
2083		2354
2084	cf::async {	2355	cf::async {
2085	$Coro::current->{desc} = "map player save";	2356	$Coro::current->{desc} = "map player save";
2086	$_->contr->save for $self->players;	2357	$_->contr->save for $self->players;
2087	};	2358	};
		2359
		2360	cf::get_slot 0.02;
2088		2361
2089	if ($uniq) {	2362	if ($uniq) {
2090	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2363	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2091	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2364	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2092	} else {	2365	} else {
2093	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2366	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2094	}	2367	}
2095	}	2368	}
2096		2369
		2370	sub save {
		2371	my ($self) = @_;
		2372
		2373	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2374
		2375	$self->_save;
		2376	}
		2377
2097	sub swap_out {	2378	sub swap_out {
2098	my ($self) = @_;	2379	my ($self) = @_;
2099		2380
2100	# save first because save cedes
2101	$self->save;
2102
2103	my $lock = cf::lock_acquire "map_data:$self->{path}";	2381	my $lock = cf::lock_acquire "map_data:$self->{path}";
2104		2382
		2383	return if $self->in_memory != cf::MAP_ACTIVE;
		2384	return if $self->{deny_save};
2105	return if $self->players;	2385	return if $self->players;
2106	return if $self->in_memory != cf::MAP_IN_MEMORY;
2107	return if $self->{deny_save};
2108		2386
		2387	# first deactivate the map and "unlink" it from the core
		2388	$self->deactivate;
		2389	$_->clear_links_to ($self) for values %cf::MAP;
2109	$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};
2110		2437
2111	$self->deactivate;	2438	$self->deactivate;
2112	$_->clear_links_to ($self) for values %cf::MAP;	2439	$_->clear_links_to ($self) for values %cf::MAP;
2113	$self->clear;	2440	$self->clear;
2114	}
2115
2116	sub reset_at {
2117	my ($self) = @_;
2118
2119	# TODO: safety, remove and allow resettable per-player maps
2120	return 1e99 if $self->{deny_reset};
2121
2122	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2123	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2124
2125	$time + $to
2126	}
2127
2128	sub should_reset {
2129	my ($self) = @_;
2130
2131	$self->reset_at <= $cf::RUNTIME
2132	}
2133
2134	sub reset {
2135	my ($self) = @_;
2136
2137	my $lock = cf::lock_acquire "map_data:$self->{path}";
2138
2139	return if $self->players;
2140
2141	warn "resetting map ", $self->path;
2142
2143	$self->in_memory (cf::MAP_SWAPPED);
2144
2145	# need to save uniques path
2146	unless ($self->{deny_save}) {
2147	my $uniq = $self->uniq_path; utf8::encode $uniq;
2148
2149	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2150	if $uniq;
2151	}
2152
2153	delete $cf::MAP{$self->path};
2154
2155	$self->deactivate;
2156	$_->clear_links_to ($self) for values %cf::MAP;
2157	$self->clear;
2158		2441
2159	$self->unlink_save;	2442	$self->unlink_save;
2160	$self->destroy;	2443	$self->destroy;
2161	}	2444	}
2162		2445
…		…
2170		2453
2171	delete $cf::MAP{$self->path};	2454	delete $cf::MAP{$self->path};
2172		2455
2173	$self->unlink_save;	2456	$self->unlink_save;
2174		2457
2175	bless $self, "cf::map";	2458	bless $self, "cf::map::wrap";
2176	delete $self->{deny_reset};	2459	delete $self->{deny_reset};
2177	$self->{deny_save} = 1;	2460	$self->{deny_save} = 1;
2178	$self->reset_timeout (1);	2461	$self->reset_timeout (1);
2179	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2462	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2180		2463
…		…
2229		2512
2230	sub unique_maps() {	2513	sub unique_maps() {
2231	[	2514	[
2232	map {	2515	map {
2233	utf8::decode $_;	2516	utf8::decode $_;
2234	/\.map$/	2517	s/\.map$//; # TODO future compatibility hack
		2518	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2519	? ()
2235	? normalise $_	2520	: normalise $_
2236	: ()
2237	} @{ aio_readdir $UNIQUEDIR or [] }	2521	} @{ aio_readdir $UNIQUEDIR or [] }
2238	]	2522	]
2239	}	2523	}
2240		2524
2241	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	}
2242		2556
2243	=back	2557	=back
2244		2558
2245	=head3 cf::object	2559	=head3 cf::object
2246		2560
…		…
2250		2564
2251	=over 4	2565	=over 4
2252		2566
2253	=item $ob->inv_recursive	2567	=item $ob->inv_recursive
2254		2568
2255	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.
2256		2571
2257	=cut	2572	=cut
2258		2573
2259	sub inv_recursive_;	2574	sub inv_recursive_;
2260	sub inv_recursive_ {	2575	sub inv_recursive_ {
…		…
2265	inv_recursive_ inv $_[0]	2580	inv_recursive_ inv $_[0]
2266	}	2581	}
2267		2582
2268	=item $ref = $ob->ref	2583	=item $ref = $ob->ref
2269		2584
2270	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.
2271		2586
2272	=item $ob = cf::object::deref ($refstring)	2587	=item $ob = cf::object::deref ($refstring)
2273		2588
2274	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,
2275	even if the object actually exists. May block.	2590	even if the object actually exists. May block.
…		…
2307	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
2308	dialogue with the given NPC character.	2623	dialogue with the given NPC character.
2309		2624
2310	=cut	2625	=cut
2311		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
2312	# rough implementation of a future "reply" method that works	2641	# rough implementation of a future "reply" method that works
2313	# with dialog boxes.	2642	# with dialog boxes.
2314	#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
2315	sub cf::object::player::reply($$$;$) {	2644	sub cf::object::player::reply($$$;$) {
2316	my ($self, $npc, $msg, $flags) = @_;	2645	my ($self, $npc, $msg, $flags) = @_;
…		…
2327	my $dialog = $pl->{npc_dialog};	2656	my $dialog = $pl->{npc_dialog};
2328	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2657	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2329		2658
2330	} else {	2659	} else {
2331	$msg = $npc->name . " says: $msg" if $npc;	2660	$msg = $npc->name . " says: $msg" if $npc;
2332	$self->message ($msg, $flags);	2661	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2333	}	2662	}
2334	}	2663	}
2335	}	2664	}
2336		2665
2337	=item $object->send_msg ($channel, $msg, $color, [extra...])	2666	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2362		2691
2363	=item $player_object->enter_link	2692	=item $player_object->enter_link
2364		2693
2365	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}>).
2366		2695
2367	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.
2368	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.
2369		2700
2370	Will never block.	2701	Will never block.
2371		2702
2372	=item $player_object->leave_link ($map, $x, $y)	2703	=item $player_object->leave_link ($map, $x, $y)
2373		2704
…		…
2393	sub cf::object::player::enter_link {	2724	sub cf::object::player::enter_link {
2394	my ($self) = @_;	2725	my ($self) = @_;
2395		2726
2396	$self->deactivate_recursive;	2727	$self->deactivate_recursive;
2397		2728
		2729	++$self->{_link_recursion};
		2730
2398	return if UNIVERSAL::isa $self->map, "ext::map_link";	2731	return if UNIVERSAL::isa $self->map, "ext::map_link";
2399		2732
2400	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2733	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2401	if $self->map && $self->map->{path} ne "{link}";	2734	if $self->map && $self->map->{path} ne "{link}";
2402		2735
2403	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2736	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2404	}	2737	}
2405		2738
2406	sub cf::object::player::leave_link {	2739	sub cf::object::player::leave_link {
2407	my ($self, $map, $x, $y) = @_;	2740	my ($self, $map, $x, $y) = @_;
2408		2741
…		…
2425	($x, $y) = (-1, -1)	2758	($x, $y) = (-1, -1)
2426	unless (defined $x) && (defined $y);	2759	unless (defined $x) && (defined $y);
2427		2760
2428	# use -1 or undef as default coordinates, not 0, 0	2761	# use -1 or undef as default coordinates, not 0, 0
2429	($x, $y) = ($map->enter_x, $map->enter_y)	2762	($x, $y) = ($map->enter_x, $map->enter_y)
2430	if $x <=0 && $y <= 0;	2763	if $x <= 0 && $y <= 0;
2431		2764
2432	$map->load;	2765	$map->load;
2433	$map->load_neighbours;	2766	$map->load_neighbours;
2434		2767
2435	return unless $self->contr->active;	2768	return unless $self->contr->active;
2436	$self->activate_recursive;
2437		2769
2438	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2770	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2439	$self->enter_map ($map, $x, $y);	2771	if ($self->enter_map ($map, $x, $y)) {
2440	}	2772	# entering was successful
		2773	delete $self->{_link_recursion};
		2774	# only activate afterwards, to support waiting in hooks
		2775	$self->activate_recursive;
		2776	}
2441		2777
		2778	}
		2779
2442	=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)]])
2443		2781
2444	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
2445	her, loading and preparing them map, calling the provided $check callback	2783	her, loading and preparing them map, calling the provided $check callback
2446	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
2447	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
2448	be called at the end of this process.	2786	be called at the end of this process.
2449		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
2450	=cut	2791	=cut
2451		2792
2452	our $GOTOGEN;	2793	our $GOTOGEN;
2453		2794
2454	sub cf::object::player::goto {	2795	sub cf::object::player::goto {
2455	my ($self, $path, $x, $y, $check, $done) = @_;	2796	my ($self, $path, $x, $y, $check, $done) = @_;
		2797
		2798	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2799	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2800	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2801	($path, $x, $y) = @$EMERGENCY_POSITION;
		2802	}
2456		2803
2457	# 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
2458	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2805	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2459		2806
2460	$self->enter_link;	2807	$self->enter_link;
…		…
2480	($path, $x, $y) = (undef, undef, undef);	2827	($path, $x, $y) = (undef, undef, undef);
2481	}	2828	}
2482	}	2829	}
2483		2830
2484	my $map = eval {	2831	my $map = eval {
2485	my $map = defined $path ? cf::map::find $path : undef;	2832	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2486		2833
2487	if ($map) {	2834	if ($map) {
2488	$map = $map->customise_for ($self);	2835	$map = $map->customise_for ($self);
2489	$map = $check->($map) if $check && $map;	2836	$map = $check->($map, $x, $y, $self) if $check && $map;
2490	} else {	2837	} else {
2491	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2838	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2492	}	2839	}
2493		2840
2494	$map	2841	$map
…		…
2502	if ($gen == $self->{_goto_generation}) {	2849	if ($gen == $self->{_goto_generation}) {
2503	delete $self->{_goto_generation};	2850	delete $self->{_goto_generation};
2504	$self->leave_link ($map, $x, $y);	2851	$self->leave_link ($map, $x, $y);
2505	}	2852	}
2506		2853
2507	$done->() if $done;	2854	$done->($self) if $done;
2508	})->prio (1);	2855	})->prio (1);
2509	}	2856	}
2510		2857
2511	=item $player_object->enter_exit ($exit_object)	2858	=item $player_object->enter_exit ($exit_object)
2512		2859
…		…
2532	}	2879	}
2533		2880
2534	sub prepare_random_map {	2881	sub prepare_random_map {
2535	my ($exit) = @_;	2882	my ($exit) = @_;
2536		2883
2537	my $guard = cf::lock_acquire "exit_prepare:$exit";
2538
2539	# all this does is basically replace the /! path by	2884	# all this does is basically replace the /! path by
2540	# a new random map path (?random/...) with a seed	2885	# a new random map path (?random/...) with a seed
2541	# that depends on the exit object	2886	# that depends on the exit object
2542		2887
2543	my $rmp = parse_random_map_params $exit->msg;	2888	my $rmp = parse_random_map_params $exit->msg;
…		…
2545	if ($exit->map) {	2890	if ($exit->map) {
2546	$rmp->{region} = $exit->region->name;	2891	$rmp->{region} = $exit->region->name;
2547	$rmp->{origin_map} = $exit->map->path;	2892	$rmp->{origin_map} = $exit->map->path;
2548	$rmp->{origin_x} = $exit->x;	2893	$rmp->{origin_x} = $exit->x;
2549	$rmp->{origin_y} = $exit->y;	2894	$rmp->{origin_y} = $exit->y;
		2895
		2896	$exit->map->touch;
2550	}	2897	}
2551		2898
2552	$rmp->{random_seed} ||= $exit->random_seed;	2899	$rmp->{random_seed} ||= $exit->random_seed;
2553		2900
2554	my $data = cf::to_json $rmp;	2901	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2555	my $md5 = Digest::MD5::md5_hex $data;	2902	my $md5 = Digest::MD5::md5_hex $data;
2556	my $meta = "$RANDOMDIR/$md5.meta";	2903	my $meta = "$RANDOMDIR/$md5.meta";
2557		2904
2558	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2905	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2559	aio_write $fh, 0, (length $data), $data, 0;	2906	aio_write $fh, 0, (length $data), $data, 0;
2560	undef $fh;	2907	undef $fh;
2561	aio_rename "$meta~", $meta;	2908	aio_rename "$meta~", $meta;
2562		2909
		2910	my $slaying = "?random/$md5";
		2911
		2912	if ($exit->valid) {
2563	$exit->slaying ("?random/$md5");	2913	$exit->slaying ("?random/$md5");
2564	$exit->msg (undef);	2914	$exit->msg (undef);
		2915	}
2565	}	2916	}
2566	}	2917	}
2567		2918
2568	sub cf::object::player::enter_exit {	2919	sub cf::object::player::enter_exit {
2569	my ($self, $exit) = @_;	2920	my ($self, $exit) = @_;
2570		2921
2571	return unless $self->type == cf::PLAYER;	2922	return unless $self->type == cf::PLAYER;
2572		2923
2573	if ($exit->slaying eq "/!") {
2574	#TODO: this should de-fi-ni-te-ly not be a sync-job
2575	# the problem is that $exit might not survive long enough
2576	# so it needs to be done right now, right here
2577	cf::sync_job { prepare_random_map $exit };
2578	}
2579
2580	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2581	my $hp = $exit->stats->hp;
2582	my $sp = $exit->stats->sp;
2583
2584	$self->enter_link;	2924	$self->enter_link;
2585		2925
2586	# if exit is damned, update players death & WoR home-position
2587	$self->contr->savebed ($slaying, $hp, $sp)
2588	if $exit->flag (FLAG_DAMNED);
2589
2590	(async {	2926	(async {
2591	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2927	$Coro::current->{desc} = "enter_exit";
2592		2928
2593	$self->deactivate_recursive; # just to be sure
2594	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
2595	$self->goto ($slaying, $hp, $sp);	2944	$self->goto ($map, $x, $y);
2596		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
2597	1;	2950	1
2598	}) {	2951	}) {
2599	$self->message ("Something went wrong deep within the crossfire server. "	2952	$self->message ("Something went wrong deep within the deliantra server. "
2600	. "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. "
2601	. "Please report this to the dungeon master!",	2954	. "Please report this to the dungeon master!",
2602	cf::NDI_UNIQUE | cf::NDI_RED);	2955	cf::NDI_UNIQUE | cf::NDI_RED);
2603		2956
2604	warn "ERROR in enter_exit: $@";	2957	error "ERROR in enter_exit: $@";
2605	$self->leave_link;	2958	$self->leave_link;
2606	}	2959	}
2607	})->prio (1);	2960	})->prio (1);
2608	}	2961	}
2609		2962
…		…
2621	sub cf::client::send_drawinfo {	2974	sub cf::client::send_drawinfo {
2622	my ($self, $text, $flags) = @_;	2975	my ($self, $text, $flags) = @_;
2623		2976
2624	utf8::encode $text;	2977	utf8::encode $text;
2625	$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);
2626	}	3004	}
2627		3005
2628	=item $client->send_msg ($channel, $msg, $color, [extra...])	3006	=item $client->send_msg ($channel, $msg, $color, [extra...])
2629		3007
2630	Send a drawinfo or msg packet to the client, formatting the msg for the	3008	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2632	the message, with C<log> being the default. If C<$color> is negative, suppress	3010	the message, with C<log> being the default. If C<$color> is negative, suppress
2633	the message unless the client supports the msg packet.	3011	the message unless the client supports the msg packet.
2634		3012
2635	=cut	3013	=cut
2636		3014
		3015	# non-persistent channels (usually the info channel)
2637	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	},
2638	"c/identify" => {	3023	"c/identify" => {
2639	id => "infobox",	3024	id => "infobox",
2640	title => "Identify",	3025	title => "Identify",
2641	reply => undef,	3026	reply => undef,
2642	tooltip => "Items recently identified",	3027	tooltip => "Items recently identified",
…		…
2645	id => "infobox",	3030	id => "infobox",
2646	title => "Examine",	3031	title => "Examine",
2647	reply => undef,	3032	reply => undef,
2648	tooltip => "Signs and other items you examined",	3033	tooltip => "Signs and other items you examined",
2649	},	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	},
2650	"c/lookat" => {	3047	"c/lookat" => {
2651	id => "infobox",	3048	id => "infobox",
2652	title => "Look",	3049	title => "Look",
2653	reply => undef,	3050	reply => undef,
2654	tooltip => "What you saw there",	3051	tooltip => "What you saw there",
2655	},	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" => $CHAT_CHANNEL,
2656	);	3127	);
2657		3128
2658	sub cf::client::send_msg {	3129	sub cf::client::send_msg {
2659	my ($self, $channel, $msg, $color, @extra) = @_;	3130	my ($self, $channel, $msg, $color, @extra) = @_;
2660		3131
2661	$msg = $self->pl->expand_cfpod ($msg);	3132	$msg = $self->pl->expand_cfpod ($msg)
		3133	unless $color & cf::NDI_VERBATIM;
2662		3134
2663	$color &= cf::NDI_CLIENT_MASK; # just in case...	3135	$color &= cf::NDI_CLIENT_MASK; # just in case...
2664		3136
2665	# check predefined channels, for the benefit of C	3137	# check predefined channels, for the benefit of C
2666	if ($CHANNEL{$channel}) {	3138	if ($CHANNEL{$channel}) {
2667	$channel = $CHANNEL{$channel};	3139	$channel = $CHANNEL{$channel};
2668		3140
2669	$self->ext_msg (channel_info => $channel)	3141	$self->ext_msg (channel_info => $channel);
2670	if $self->can_msg;
2671
2672	$channel = $channel->{id};	3142	$channel = $channel->{id};
2673		3143
2674	} elsif (ref $channel) {	3144	} elsif (ref $channel) {
2675	# send meta info to client, if not yet sent	3145	# send meta info to client, if not yet sent
2676	unless (exists $self->{channel}{$channel->{id}}) {	3146	unless (exists $self->{channel}{$channel->{id}}) {
2677	$self->{channel}{$channel->{id}} = $channel;	3147	$self->{channel}{$channel->{id}} = $channel;
2678	$self->ext_msg (channel_info => $channel)	3148	$self->ext_msg (channel_info => $channel);
2679	if $self->can_msg;
2680	}	3149	}
2681		3150
2682	$channel = $channel->{id};	3151	$channel = $channel->{id};
2683	}	3152	}
2684		3153
2685	return unless @extra || length $msg;	3154	return unless @extra || length $msg;
2686		3155
2687	if ($self->can_msg) {
2688	# default colour, mask it out	3156	# default colour, mask it out
2689	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3157	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2690	if $color & cf::NDI_DEF;	3158	if $color & cf::NDI_DEF;
2691		3159
2692	$self->send_packet ("msg " . $self->{json_coder}->encode (	3160	my $pkt = "msg "
		3161	. $self->{json_coder}->encode (
2693	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3162	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2694	} else {	3163	);
2695	if ($color >= 0) {
2696	# replace some tags by gcfclient-compatible ones
2697	for ($msg) {
2698	1 while
2699	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2700	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2701	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2702	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2703	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2704	}
2705		3164
2706	$color &= cf::NDI_COLOR_MASK;	3165	$self->send_big_packet ($pkt);
2707
2708	utf8::encode $msg;
2709
2710	if (0 && $msg =~ /\[/) {
2711	# COMMAND/INFO
2712	$self->send_packet ("drawextinfo $color 10 8 $msg")
2713	} else {
2714	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2715	$self->send_packet ("drawinfo $color $msg")
2716	}
2717	}
2718	}
2719	}	3166	}
2720		3167
2721	=item $client->ext_msg ($type, @msg)	3168	=item $client->ext_msg ($type, @msg)
2722		3169
2723	Sends an ext event to the client.	3170	Sends an ext event to the client.
…		…
2726		3173
2727	sub cf::client::ext_msg($$@) {	3174	sub cf::client::ext_msg($$@) {
2728	my ($self, $type, @msg) = @_;	3175	my ($self, $type, @msg) = @_;
2729		3176
2730	if ($self->extcmd == 2) {	3177	if ($self->extcmd == 2) {
2731	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3178	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2732	} elsif ($self->extcmd == 1) { # TODO: remove	3179	} elsif ($self->extcmd == 1) { # TODO: remove
2733	push @msg, msgtype => "event_$type";	3180	push @msg, msgtype => "event_$type";
2734	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3181	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2735	}	3182	}
2736	}	3183	}
2737		3184
2738	=item $client->ext_reply ($msgid, @msg)	3185	=item $client->ext_reply ($msgid, @msg)
2739		3186
…		…
2743		3190
2744	sub cf::client::ext_reply($$@) {	3191	sub cf::client::ext_reply($$@) {
2745	my ($self, $id, @msg) = @_;	3192	my ($self, $id, @msg) = @_;
2746		3193
2747	if ($self->extcmd == 2) {	3194	if ($self->extcmd == 2) {
2748	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3195	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2749	} elsif ($self->extcmd == 1) {	3196	} elsif ($self->extcmd == 1) {
2750	#TODO: version 1, remove	3197	#TODO: version 1, remove
2751	unshift @msg, msgtype => "reply", msgid => $id;	3198	unshift @msg, msgtype => "reply", msgid => $id;
2752	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3199	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2753	}	3200	}
2754	}	3201	}
2755		3202
2756	=item $success = $client->query ($flags, "text", \&cb)	3203	=item $success = $client->query ($flags, "text", \&cb)
2757		3204
…		…
2828		3275
2829	$ns->ext_reply ($reply, @reply)	3276	$ns->ext_reply ($reply, @reply)
2830	if $reply;	3277	if $reply;
2831		3278
2832	} else {	3279	} else {
2833	warn "client " . ($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";
2834	}	3281	}
2835		3282
2836	cf::override;	3283	cf::override;
2837	},	3284	},
2838	);	3285	);
…		…
2858		3305
2859	$coro	3306	$coro
2860	}	3307	}
2861		3308
2862	cf::client->attach (	3309	cf::client->attach (
2863	on_destroy => sub {	3310	on_client_destroy => sub {
2864	my ($ns) = @_;	3311	my ($ns) = @_;
2865		3312
2866	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3313	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2867	},	3314	},
2868	);	3315	);
…		…
2884	our $safe_hole = new Safe::Hole;	3331	our $safe_hole = new Safe::Hole;
2885		3332
2886	$SIG{FPE} = 'IGNORE';	3333	$SIG{FPE} = 'IGNORE';
2887		3334
2888	$safe->permit_only (Opcode::opset qw(	3335	$safe->permit_only (Opcode::opset qw(
2889	:base_core :base_mem :base_orig :base_math	3336	:base_core :base_mem :base_orig :base_math :base_loop
2890	grepstart grepwhile mapstart mapwhile	3337	grepstart grepwhile mapstart mapwhile
2891	sort time	3338	sort time
2892	));	3339	));
2893		3340
2894	# here we export the classes and methods available to script code	3341	# here we export the classes and methods available to script code
…		…
2896	=pod	3343	=pod
2897		3344
2898	The following functions and methods are available within a safe environment:	3345	The following functions and methods are available within a safe environment:
2899		3346
2900	cf::object	3347	cf::object
2901	contr pay_amount pay_player map x y force_find force_add	3348	contr pay_amount pay_player map x y force_find force_add destroy
2902	insert remove name archname title slaying race decrease_ob_nr	3349	insert remove name archname title slaying race decrease split
		3350	value
2903		3351
2904	cf::object::player	3352	cf::object::player
2905	player	3353	player
2906		3354
2907	cf::player	3355	cf::player
…		…
2912		3360
2913	=cut	3361	=cut
2914		3362
2915	for (	3363	for (
2916	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3364	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2917	insert remove inv name archname title slaying race	3365	insert remove inv nrof name archname title slaying race
2918	decrease_ob_nr)],	3366	decrease split destroy change_exp value msg lore send_msg)],
2919	["cf::object::player" => qw(player)],	3367	["cf::object::player" => qw(player)],
2920	["cf::player" => qw(peaceful)],	3368	["cf::player" => qw(peaceful send_msg)],
2921	["cf::map" => qw(trigger)],	3369	["cf::map" => qw(trigger)],
2922	) {	3370	) {
2923	no strict 'refs';
2924	my ($pkg, @funs) = @$_;	3371	my ($pkg, @funs) = @$_;
2925	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3372	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2926	for @funs;	3373	for @funs;
2927	}	3374	}
2928		3375
…		…
2943		3390
2944	my $qcode = $code;	3391	my $qcode = $code;
2945	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3392	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2946	$qcode =~ s/\n/\\n/g;	3393	$qcode =~ s/\n/\\n/g;
2947		3394
		3395	%vars = (_dummy => 0) unless %vars;
		3396
		3397	my @res;
2948	local $_;	3398	local $_;
2949	local @safe::cf::_safe_eval_args = values %vars;
2950		3399
2951	my $eval =	3400	my $eval =
2952	"do {\n"	3401	"do {\n"
2953	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3402	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2954	. "#line 0 \"{$qcode}\"\n"	3403	. "#line 0 \"{$qcode}\"\n"
2955	. $code	3404	. $code
2956	. "\n}"	3405	. "\n}"
2957	;	3406	;
2958		3407
		3408	if ($CFG{safe_eval}) {
2959	sub_generation_inc;	3409	sub_generation_inc;
		3410	local @safe::cf::_safe_eval_args = values %vars;
2960	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3411	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2961	sub_generation_inc;	3412	sub_generation_inc;
		3413	} else {
		3414	local @cf::_safe_eval_args = values %vars;
		3415	@res = wantarray ? eval eval : scalar eval $eval;
		3416	}
2962		3417
2963	if ($@) {	3418	if ($@) {
2964	warn "$@";	3419	warn "$@",
2965	warn "while executing safe code '$code'\n";	3420	"while executing safe code '$code'\n",
2966	warn "with arguments " . (join " ", %vars) . "\n";	3421	"with arguments " . (join " ", %vars) . "\n";
2967	}	3422	}
2968		3423
2969	wantarray ? @res : $res[0]	3424	wantarray ? @res : $res[0]
2970	}	3425	}
2971		3426
…		…
2985	=cut	3440	=cut
2986		3441
2987	sub register_script_function {	3442	sub register_script_function {
2988	my ($fun, $cb) = @_;	3443	my ($fun, $cb) = @_;
2989		3444
2990	no strict 'refs';	3445	$fun = "safe::$fun" if $CFG{safe_eval};
2991	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3446	*$fun = $safe_hole->wrap ($cb);
2992	}	3447	}
2993		3448
2994	=back	3449	=back
2995		3450
2996	=cut	3451	=cut
…		…
3005	# for this (global event?)	3460	# for this (global event?)
3006	%ext::player_env::MUSIC_FACE_CACHE = ();	3461	%ext::player_env::MUSIC_FACE_CACHE = ();
3007		3462
3008	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3463	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3009		3464
3010	warn "loading facedata from $path\n";	3465	trace "loading facedata from $path\n";
3011		3466
3012	my $facedata;	3467	my $facedata = decode_storable load_file $path;
3013	0 < aio_load $path, $facedata
3014	or die "$path: $!";
3015
3016	$facedata = Coro::Storable::thaw $facedata;
3017		3468
3018	$facedata->{version} == 2	3469	$facedata->{version} == 2
3019	or cf::cleanup "$path: version mismatch, cannot proceed.";	3470	or cf::cleanup "$path: version mismatch, cannot proceed.";
3020		3471
3021	# 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]);
3022	$facedata->{resource}{"res/exp_table"} = {	3474	$facedata->{resource}{"res/exp_table"} = {
3023	type => FT_RSRC,	3475	type => FT_RSRC,
3024	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),
3025	};	3478	};
3026	cf::cede_to_tick;	3479	cf::cede_to_tick;
3027		3480
3028	{	3481	{
3029	my $faces = $facedata->{faceinfo};	3482	my $faces = $facedata->{faceinfo};
3030		3483
3031	while (my ($face, $info) = each %$faces) {	3484	while (my ($face, $info) = each %$faces) {
3032	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3485	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3486
3033	cf::face::set_visibility $idx, $info->{visibility};	3487	cf::face::set_visibility $idx, $info->{visibility};
3034	cf::face::set_magicmap $idx, $info->{magicmap};	3488	cf::face::set_magicmap $idx, $info->{magicmap};
3035	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3489	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3036	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} , $info->{glyph} ;
3037		3492
3038	cf::cede_to_tick;	3493	cf::cede_to_tick;
3039	}	3494	}
3040		3495
3041	while (my ($face, $info) = each %$faces) {	3496	while (my ($face, $info) = each %$faces) {
3042	next unless $info->{smooth};	3497	next unless $info->{smooth};
		3498
3043	my $idx = cf::face::find $face	3499	my $idx = cf::face::find $face
3044	or next;	3500	or next;
		3501
3045	if (my $smooth = cf::face::find $info->{smooth}) {	3502	if (my $smooth = cf::face::find $info->{smooth}) {
3046	cf::face::set_smooth $idx, $smooth;	3503	cf::face::set_smooth $idx, $smooth;
3047	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3504	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3048	} else {	3505	} else {
3049	warn "smooth face '$info->{smooth}' not found for face '$face'";	3506	error "smooth face '$info->{smooth}' not found for face '$face'";
3050	}	3507	}
3051		3508
3052	cf::cede_to_tick;	3509	cf::cede_to_tick;
3053	}	3510	}
3054	}	3511	}
…		…
3063		3520
3064	cf::anim::invalidate_all; # d'oh	3521	cf::anim::invalidate_all; # d'oh
3065	}	3522	}
3066		3523
3067	{	3524	{
3068	# TODO: for gcfclient pleasure, we should give resources
3069	# that gcfclient doesn't grok a >10000 face index.
3070	my $res = $facedata->{resource};	3525	my $res = $facedata->{resource};
3071		3526
3072	my $soundconf = delete $res->{"res/sound.conf"};
3073
3074	while (my ($name, $info) = each %$res) {	3527	while (my ($name, $info) = each %$res) {
		3528	if (defined $info->{type}) {
3075	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3529	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3076	my $data;
3077		3530
3078	if ($info->{type} & 1) {	3531	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3079	# prepend meta info	3532	cf::face::set_type $idx, $info->{type};
3080
3081	my $meta = $enc->encode ({
3082	name => $name,
3083	%{ $info->{meta} || {} },
3084	});
3085
3086	$data = pack "(w/a*)*", $meta, $info->{data};
3087	} else {	3533	} else {
3088	$data = $info->{data};	3534	$RESOURCE{$name} = $info; # unused
3089	}	3535	}
3090		3536
3091	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3092	cf::face::set_type $idx, $info->{type};
3093
3094	cf::cede_to_tick;	3537	cf::cede_to_tick;
3095	}	3538	}
3096
3097	if ($soundconf) {
3098	$soundconf = $enc->decode (delete $soundconf->{data});
3099
3100	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3101	my $sound = $soundconf->{compat}[$_]
3102	or next;
3103
3104	my $face = cf::face::find "sound/$sound->[1]";
3105	cf::sound::set $sound->[0] => $face;
3106	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3107	}
3108
3109	while (my ($k, $v) = each %{$soundconf->{event}}) {
3110	my $face = cf::face::find "sound/$v";
3111	cf::sound::set $k => $face;
3112	}
3113	}
3114	}	3539	}
		3540
		3541	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3115		3542
3116	1	3543	1
3117	}	3544	}
3118		3545
3119	register_exticmd fx_want => sub {	3546	register_exticmd fx_want => sub {
…		…
3121		3548
3122	while (my ($k, $v) = each %$want) {	3549	while (my ($k, $v) = each %$want) {
3123	$ns->fx_want ($k, $v);	3550	$ns->fx_want ($k, $v);
3124	}	3551	}
3125	};	3552	};
		3553
		3554	sub load_resource_file($) {
		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	$status
		3562	}
3126		3563
3127	sub reload_regions {	3564	sub reload_regions {
3128	# HACK to clear player env face cache, we need some signal framework	3565	# HACK to clear player env face cache, we need some signal framework
3129	# for this (global event?)	3566	# for this (global event?)
3130	%ext::player_env::MUSIC_FACE_CACHE = ();	3567	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3144	}	3581	}
3145		3582
3146	sub reload_archetypes {	3583	sub reload_archetypes {
3147	load_resource_file "$DATADIR/archetypes"	3584	load_resource_file "$DATADIR/archetypes"
3148	or die "unable to load archetypes\n";	3585	or die "unable to load archetypes\n";
3149	#d# NEED to laod twice to resolve forward references
3150	# this really needs to be done in an extra post-pass
3151	# (which needs to be synchronous, so solve it differently)
3152	load_resource_file "$DATADIR/archetypes"
3153	or die "unable to load archetypes\n";
3154	}	3586	}
3155		3587
3156	sub reload_treasures {	3588	sub reload_treasures {
3157	load_resource_file "$DATADIR/treasures"	3589	load_resource_file "$DATADIR/treasures"
3158	or die "unable to load treasurelists\n";	3590	or die "unable to load treasurelists\n";
3159	}	3591	}
3160		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
3161	sub reload_resources {	3613	sub reload_resources {
3162	warn "reloading resource files...\n";	3614	trace "reloading resource files...\n";
3163		3615
		3616	reload_exp_table;
		3617	reload_materials;
		3618	reload_facedata;
		3619	reload_sound;
		3620	reload_archetypes;
3164	reload_regions;	3621	reload_regions;
3165	reload_facedata;
3166	#reload_archetypes;#d#
3167	reload_archetypes;
3168	reload_treasures;	3622	reload_treasures;
3169		3623
3170	warn "finished reloading resource files\n";	3624	trace "finished reloading resource files\n";
3171	}
3172
3173	sub init {
3174	reload_resources;
3175	}	3625	}
3176		3626
3177	sub reload_config {	3627	sub reload_config {
3178	open my $fh, "<:utf8", "$CONFDIR/config"	3628	trace "reloading config file...\n";
3179	or return;
3180		3629
3181	local $/;	3630	my $config = load_file "$CONFDIR/config";
3182	*CFG = YAML::Syck::Load <$fh>;	3631	utf8::decode $config;
		3632	*CFG = decode_yaml $config;
3183		3633
3184	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3634	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3185		3635
3186	$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};
3187	$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};
3188		3638
3189	if (exists $CFG{mlockall}) {	3639	if (exists $CFG{mlockall}) {
…		…
3193	};	3643	};
3194	warn $@ if $@;	3644	warn $@ if $@;
3195	}	3645	}
3196	}	3646	}
3197		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
3198	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
3199	# we must not ever block the main coroutine	3686	# we must not ever block the main coroutine
3200	local $Coro::idle = sub {	3687	local $Coro::idle = sub {
3201	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#
3202	(async {	3689	(async {
3203	$Coro::current->{desc} = "IDLE BUG HANDLER";	3690	$Coro::current->{desc} = "IDLE BUG HANDLER";
3204	Event::one_event;	3691	EV::loop EV::LOOP_ONESHOT;
3205	})->prio (Coro::PRIO_MAX);	3692	})->prio (Coro::PRIO_MAX);
3206	};	3693	};
3207		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;
3208	reload_config;	3707	reload_config;
3209	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
3210	load_extensions;	3718	load_extensions;
3211		3719
3212	$TICK_WATCHER->start;	3720	utime time, time, $RUNTIMEFILE;
3213	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;
3214	}	3738	}
3215		3739
3216	#############################################################################	3740	#############################################################################
3217	# initialisation and cleanup	3741	# initialisation and cleanup
3218		3742
3219	# install some emergency cleanup handlers	3743	# install some emergency cleanup handlers
3220	BEGIN {	3744	BEGIN {
		3745	our %SIGWATCHER = ();
3221	for my $signal (qw(INT HUP TERM)) {	3746	for my $signal (qw(INT HUP TERM)) {
3222	Event->signal (	3747	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3223	reentrant => 0,
3224	data => WF_AUTOCANCEL,
3225	signal => $signal,
3226	prio => 0,
3227	cb => sub {
3228	cf::cleanup "SIG$signal";	3748	cf::cleanup "SIG$signal";
3229	},
3230	);	3749	};
3231	}	3750	}
3232	}	3751	}
3233		3752
3234	sub write_runtime {	3753	sub write_runtime_sync {
3235	my $runtime = "$LOCALDIR/runtime";	3754	my $t0 = AE::time;
3236		3755
3237	# first touch the runtime file to show we are still running:	3756	# first touch the runtime file to show we are still running:
3238	# the fsync below can take a very very long time.	3757	# the fsync below can take a very very long time.
3239		3758
3240	IO::AIO::aio_utime $runtime, undef, undef;	3759	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3241		3760
3242	my $guard = cf::lock_acquire "write_runtime";	3761	my $guard = cf::lock_acquire "write_runtime";
3243		3762
3244	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3763	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3245	or return;	3764	or return;
3246		3765
3247	my $value = $cf::RUNTIME + 90 + 10;	3766	my $value = $cf::RUNTIME + 90 + 10;
3248	# 10 is the runtime save interval, for a monotonic clock	3767	# 10 is the runtime save interval, for a monotonic clock
3249	# 60 allows for the watchdog to kill the server.	3768	# 60 allows for the watchdog to kill the server.
…		…
3259	aio_utime $fh, undef, undef;	3778	aio_utime $fh, undef, undef;
3260		3779
3261	close $fh	3780	close $fh
3262	or return;	3781	or return;
3263		3782
3264	aio_rename "$runtime~", $runtime	3783	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3265	and return;	3784	and return;
3266		3785
3267	warn "runtime file written.\n";	3786	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3268		3787
3269	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 };
3270	}	3839	}
3271		3840
3272	sub emergency_save() {	3841	sub emergency_save() {
3273	my $freeze_guard = cf::freeze_mainloop;	3842	my $freeze_guard = cf::freeze_mainloop;
3274		3843
3275	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;
3276		3850
3277	cf::sync_job {	3851	cf::sync_job {
		3852	cf::write_runtime_sync; # external watchdog should not bark
		3853
3278	# use a peculiar iteration method to avoid tripping on perl	3854	# use a peculiar iteration method to avoid tripping on perl
3279	# refcount bugs in for. also avoids problems with players	3855	# refcount bugs in for. also avoids problems with players
3280	# and maps saved/destroyed asynchronously.	3856	# and maps saved/destroyed asynchronously.
3281	warn "begin emergency player save\n";	3857	info "emergency_perl_save: begin player save\n";
3282	for my $login (keys %cf::PLAYER) {	3858	for my $login (keys %cf::PLAYER) {
3283	my $pl = $cf::PLAYER{$login} or next;	3859	my $pl = $cf::PLAYER{$login} or next;
3284	$pl->valid or next;	3860	$pl->valid or next;
3285	delete $pl->{unclean_save};	3861	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3286	$pl->save;	3862	$pl->save;
3287	}	3863	}
3288	warn "end emergency player save\n";	3864	info "emergency_perl_save: end player save\n";
3289		3865
3290	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";
3291	for my $path (keys %cf::MAP) {	3869	for my $path (keys %cf::MAP) {
3292	my $map = $cf::MAP{$path} or next;	3870	my $map = $cf::MAP{$path} or next;
3293	$map->valid or next;	3871	$map->valid or next;
3294	$map->save;	3872	$map->save;
3295	}	3873	}
3296	warn "end emergency map save\n";	3874	info "emergency_perl_save: end map save\n";
3297		3875
3298	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";
3299	BDB::db_env_txn_checkpoint $DB_ENV;	3879	BDB::db_env_txn_checkpoint $DB_ENV;
3300	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 $DB_ENV;
		3890
		3891	info "emergency_perl_save: starting sync\n";
		3892	IO::AIO::aio_sync sub {
		3893	info "emergency_perl_save: finished sync\n";
		3894	};
		3895
		3896	cf::write_runtime_sync; # external watchdog should not bark
		3897
		3898	trace "emergency_perl_save: flushing outstanding aio requests";
		3899	while (IO::AIO::nreqs || BDB::nreqs) {
		3900	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3901	}
		3902
		3903	cf::write_runtime_sync; # external watchdog should not bark
3301	};	3904	};
3302		3905
3303	warn "leave emergency perl save\n";	3906	info "emergency_perl_save: leave\n";
3304	}	3907	}
3305		3908
3306	sub post_cleanup {	3909	sub post_cleanup {
3307	my ($make_core) = @_;	3910	my ($make_core) = @_;
3308		3911
		3912	IO::AIO::flush;
		3913
3309	warn Carp::longmess "post_cleanup backtrace"	3914	error Carp::longmess "post_cleanup backtrace"
3310	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	}
3311	}	3944	}
3312		3945
3313	sub do_reload_perl() {	3946	sub do_reload_perl() {
3314	# can/must only be called in main	3947	# can/must only be called in main
3315	if ($Coro::current != $Coro::main) {	3948	unless (in_main) {
3316	warn "can only reload from main coroutine";	3949	error "can only reload from main coroutine";
3317	return;	3950	return;
3318	}	3951	}
3319		3952
3320	warn "reloading...";	3953	return if $RELOAD++;
3321		3954
3322	warn "entering sync_job";	3955	my $t1 = AE::time;
3323		3956
		3957	while ($RELOAD) {
		3958	cf::get_slot 0.1, -1, "reload_perl";
		3959	info "perl_reload: reloading...";
		3960
		3961	trace "perl_reload: entering sync_job";
		3962
3324	cf::sync_job {	3963	cf::sync_job {
3325	cf::write_runtime; # external watchdog should not bark
3326	cf::emergency_save;	3964	#cf::emergency_save;
3327	cf::write_runtime; # external watchdog should not bark
3328		3965
3329	warn "syncing database to disk";
3330	BDB::db_env_txn_checkpoint $DB_ENV;
3331
3332	# if anything goes wrong in here, we should simply crash as we already saved
3333
3334	warn "cancelling all WF_AUTOCANCEL watchers";
3335	for (Event::all_watchers) {
3336	$_->cancel if $_->data & WF_AUTOCANCEL;
3337	}
3338
3339	warn "flushing outstanding aio requests";
3340	for (;;) {
3341	BDB::flush;
3342	IO::AIO::flush;
3343	Coro::cede;
3344	last unless IO::AIO::nreqs || BDB::nreqs;
3345	warn "iterate...";
3346	}
3347
3348	++$RELOAD;
3349
3350	warn "cancelling all extension coros";	3966	trace "perl_reload: cancelling all extension coros";
3351	$_->cancel for values %EXT_CORO;	3967	$_->cancel for values %EXT_CORO;
3352	%EXT_CORO = ();	3968	%EXT_CORO = ();
3353		3969
3354	warn "removing commands";	3970	trace "perl_reload: removing commands";
3355	%COMMAND = ();	3971	%COMMAND = ();
3356		3972
3357	warn "removing ext/exti commands";	3973	trace "perl_reload: removing ext/exti commands";
3358	%EXTCMD = ();	3974	%EXTCMD = ();
3359	%EXTICMD = ();	3975	%EXTICMD = ();
3360		3976
3361	warn "unloading/nuking all extensions";	3977	trace "perl_reload: unloading/nuking all extensions";
3362	for my $pkg (@EXTS) {	3978	for my $pkg (@EXTS) {
3363	warn "... unloading $pkg";	3979	trace "... unloading $pkg";
3364		3980
3365	if (my $cb = $pkg->can ("unload")) {	3981	if (my $cb = $pkg->can ("unload")) {
3366	eval {	3982	eval {
3367	$cb->($pkg);	3983	$cb->($pkg);
3368	1	3984	1
3369	} 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;
3370	}	3990	}
3371		3991
3372	warn "... nuking $pkg";
3373	Symbol::delete_package $pkg;
3374	}
3375
3376	warn "unloading all perl modules loaded from $LIBDIR";	3992	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3377	while (my ($k, $v) = each %INC) {	3993	while (my ($k, $v) = each %INC) {
3378	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3994	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3379		3995
3380	warn "... unloading $k";	3996	trace "... unloading $k";
3381	delete $INC{$k};	3997	delete $INC{$k};
3382		3998
3383	$k =~ s/\.pm$//;	3999	$k =~ s/\.pm$//;
3384	$k =~ s/\//::/g;	4000	$k =~ s/\//::/g;
3385		4001
3386	if (my $cb = $k->can ("unload_module")) {	4002	if (my $cb = $k->can ("unload_module")) {
3387	$cb->();	4003	$cb->();
		4004	}
		4005
		4006	clear_package $k;
3388	}	4007	}
3389		4008
3390	Symbol::delete_package $k;
3391	}
3392
3393	warn "getting rid of safe::, as good as possible";	4009	trace "perl_reload: getting rid of safe::, as good as possible";
3394	Symbol::delete_package "safe::$_"	4010	clear_package "safe::$_"
3395	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);
3396		4012
3397	warn "unloading cf.pm \"a bit\"";	4013	trace "perl_reload: unloading cf.pm \"a bit\"";
3398	delete $INC{"cf.pm"};	4014	delete $INC{"cf.pm"};
3399	delete $INC{"cf/pod.pm"};	4015	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3400		4016
3401	# don't, removes xs symbols, too,	4017	# don't, removes xs symbols, too,
3402	# and global variables created in xs	4018	# and global variables created in xs
3403	#Symbol::delete_package __PACKAGE__;	4019	#clear_package __PACKAGE__;
3404		4020
3405	warn "unload completed, starting to reload now";	4021	info "perl_reload: unload completed, starting to reload now";
3406		4022
3407	warn "reloading cf.pm";	4023	trace "perl_reload: reloading cf.pm";
3408	require cf;	4024	require cf;
3409	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4025	cf::_connect_to_perl_1;
3410		4026
3411	warn "loading config and database again";	4027	trace "perl_reload: loading config and database again";
3412	cf::reload_config;	4028	cf::reload_config;
3413		4029
3414	warn "loading extensions";	4030	trace "perl_reload: loading extensions";
3415	cf::load_extensions;	4031	cf::load_extensions;
3416		4032
		4033	if ($REATTACH_ON_RELOAD) {
3417	warn "reattaching attachments to objects/players";	4034	trace "perl_reload: reattaching attachments to objects/players";
3418	_global_reattach; # objects, sockets	4035	_global_reattach; # objects, sockets
3419	warn "reattaching attachments to maps";	4036	trace "perl_reload: reattaching attachments to maps";
3420	reattach $_ for values %MAP;	4037	reattach $_ for values %MAP;
3421	warn "reattaching attachments to players";	4038	trace "perl_reload: reattaching attachments to players";
3422	reattach $_ for values %PLAYER;	4039	reattach $_ for values %PLAYER;
		4040	}
3423		4041
3424	warn "leaving sync_job";	4042	cf::_post_init 1;
3425		4043
		4044	trace "perl_reload: leaving sync_job";
		4045
3426	1	4046	1
3427	} or do {	4047	} or do {
3428	warn $@;	4048	error $@;
3429	warn "error while reloading, exiting.";	4049	cf::cleanup "perl_reload: error, exiting.";
3430	exit 1;	4050	};
		4051
		4052	--$RELOAD;
3431	};	4053	}
3432		4054
3433	warn "reloaded";	4055	$t1 = AE::time - $t1;
		4056	info "perl_reload: completed in ${t1}s\n";
3434	};	4057	};
3435		4058
3436	our $RELOAD_WATCHER; # used only during reload	4059	our $RELOAD_WATCHER; # used only during reload
3437		4060
3438	sub reload_perl() {	4061	sub reload_perl() {
3439	# doing reload synchronously and two reloads happen back-to-back,	4062	# doing reload synchronously and two reloads happen back-to-back,
3440	# coro crashes during coro_state_free->destroy here.	4063	# coro crashes during coro_state_free->destroy here.
3441		4064
3442	$RELOAD_WATCHER ||= Event->timer (	4065	$RELOAD_WATCHER ||= cf::async {
3443	reentrant => 0,	4066	Coro::AIO::aio_wait cache_extensions;
3444	after => 0,	4067
3445	data => WF_AUTOCANCEL,	4068	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3446	cb => sub {
3447	do_reload_perl;	4069	do_reload_perl;
3448	undef $RELOAD_WATCHER;	4070	undef $RELOAD_WATCHER;
3449	},	4071	};
3450	);	4072	};
3451	}	4073	}
3452		4074
3453	register_command "reload" => sub {	4075	register_command "reload" => sub {
3454	my ($who, $arg) = @_;	4076	my ($who, $arg) = @_;
3455		4077
…		…
3460	reload_perl;	4082	reload_perl;
3461	};	4083	};
3462	}	4084	}
3463	};	4085	};
3464		4086
3465	unshift @INC, $LIBDIR;	4087	#############################################################################
3466		4088
3467	my $bug_warning = 0;	4089	my $bug_warning = 0;
3468		4090
3469	our @WAIT_FOR_TICK;	4091	our @WAIT_FOR_TICK;
3470	our @WAIT_FOR_TICK_BEGIN;	4092	our @WAIT_FOR_TICK_BEGIN;
3471		4093
3472	sub wait_for_tick {	4094	sub wait_for_tick() {
3473	return unless $TICK_WATCHER->is_active;
3474	return if $Coro::current == $Coro::main;	4095	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3475		4096
3476	my $signal = new Coro::Signal;	4097	my $signal = new Coro::Signal;
3477	push @WAIT_FOR_TICK, $signal;	4098	push @WAIT_FOR_TICK, $signal;
3478	$signal->wait;	4099	$signal->wait;
3479	}	4100	}
3480		4101
3481	sub wait_for_tick_begin {	4102	sub wait_for_tick_begin() {
3482	return unless $TICK_WATCHER->is_active;
3483	return if $Coro::current == $Coro::main;	4103	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3484		4104
3485	my $signal = new Coro::Signal;	4105	my $signal = new Coro::Signal;
3486	push @WAIT_FOR_TICK_BEGIN, $signal;	4106	push @WAIT_FOR_TICK_BEGIN, $signal;
3487	$signal->wait;	4107	$signal->wait;
3488	}	4108	}
3489		4109
3490	$TICK_WATCHER = Event->timer (	4110	sub tick {
3491	reentrant => 0,
3492	parked => 1,
3493	prio => 0,
3494	at => $NEXT_TICK || $TICK,
3495	data => WF_AUTOCANCEL,
3496	cb => sub {
3497	if ($Coro::current != $Coro::main) {	4111	if ($Coro::current != $Coro::main) {
3498	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4112	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3499	unless ++$bug_warning > 10;	4113	unless ++$bug_warning > 10;
3500	return;	4114	return;
3501	}	4115	}
3502		4116
3503	$NOW = $tick_start = Event::time;
3504
3505	cf::server_tick; # one server iteration	4117	cf::server_tick; # one server iteration
3506		4118
3507	$RUNTIME += $TICK;	4119	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3508	$NEXT_TICK += $TICK;
3509		4120
3510	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4121	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3511	$NEXT_RUNTIME_WRITE = $NOW + 10;	4122	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3512	Coro::async_pool {	4123	Coro::async_pool {
3513	$Coro::current->{desc} = "runtime saver";	4124	$Coro::current->{desc} = "runtime saver";
3514	write_runtime	4125	write_runtime_sync
3515	or warn "ERROR: unable to write runtime file: $!";	4126	or error "ERROR: unable to write runtime file: $!";
3516	};
3517	}	4127	};
		4128	}
3518		4129
3519	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4130	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3520	$sig->send;	4131	$sig->send;
3521	}	4132	}
3522	while (my $sig = shift @WAIT_FOR_TICK) {	4133	while (my $sig = shift @WAIT_FOR_TICK) {
3523	$sig->send;	4134	$sig->send;
3524	}	4135	}
3525		4136
3526	$NOW = Event::time;	4137	$LOAD = ($NOW - $TICK_START) / $TICK;
3527
3528	# if we are delayed by four ticks or more, skip them all
3529	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3530
3531	$TICK_WATCHER->at ($NEXT_TICK);
3532	$TICK_WATCHER->start;
3533
3534	$LOAD = ($NOW - $tick_start) / $TICK;
3535	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4138	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3536		4139
3537	_post_tick;	4140	if (0) {
		4141	if ($NEXT_TICK) {
		4142	my $jitter = $TICK_START - $NEXT_TICK;
		4143	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4144	debug "jitter $JITTER\n";#d#
		4145	}
3538	},	4146	}
3539	);	4147	}
3540		4148
3541	{	4149	{
		4150	# configure BDB
		4151
3542	BDB::min_parallel 8;	4152	BDB::min_parallel 16;
3543	BDB::max_poll_time $TICK * 0.1;	4153	BDB::max_poll_reqs $TICK * 0.1;
3544	$BDB_POLL_WATCHER = Event->io (	4154	$AnyEvent::BDB::WATCHER->priority (1);
3545	reentrant => 0,
3546	fd => BDB::poll_fileno,
3547	poll => 'r',
3548	prio => 0,
3549	data => WF_AUTOCANCEL,
3550	cb => \&BDB::poll_cb,
3551	);
3552
3553	BDB::set_sync_prepare {
3554	my $status;
3555	my $current = $Coro::current;
3556	(
3557	sub {
3558	$status = $!;
3559	$current->ready; undef $current;
3560	},
3561	sub {
3562	Coro::schedule while defined $current;
3563	$! = $status;
3564	},
3565	)
3566	};
3567		4155
3568	unless ($DB_ENV) {	4156	unless ($DB_ENV) {
3569	$DB_ENV = BDB::db_env_create;	4157	$DB_ENV = BDB::db_env_create;
3570	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4158	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3571	| 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;
3572	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4161	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3573	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4162	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3574		4163
3575	cf::sync_job {	4164	cf::sync_job {
3576	eval {	4165	eval {
…		…
3586		4175
3587	cf::cleanup "db_env_open(db): $@" if $@;	4176	cf::cleanup "db_env_open(db): $@" if $@;
3588	};	4177	};
3589	}	4178	}
3590		4179
3591	$BDB_DEADLOCK_WATCHER = Event->timer (	4180	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3592	after => 3,
3593	interval => 1,
3594	hard => 1,
3595	prio => 0,
3596	data => WF_AUTOCANCEL,
3597	cb => sub {
3598	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 { };
3599	},
3600	);	4182	};
3601	$BDB_CHECKPOINT_WATCHER = Event->timer (	4183	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3602	after => 11,
3603	interval => 60,
3604	hard => 1,
3605	prio => 0,
3606	data => WF_AUTOCANCEL,
3607	cb => sub {
3608	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4184	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3609	},
3610	);	4185	};
3611	$BDB_TRICKLE_WATCHER = Event->timer (	4186	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3612	after => 5,
3613	interval => 10,
3614	hard => 1,
3615	prio => 0,
3616	data => WF_AUTOCANCEL,
3617	cb => sub {
3618	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4187	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3619	},
3620	);	4188	};
3621	}	4189	}
3622		4190
3623	{	4191	{
		4192	# configure IO::AIO
		4193
3624	IO::AIO::min_parallel 8;	4194	IO::AIO::min_parallel 8;
3625
3626	undef $Coro::AIO::WATCHER;
3627	IO::AIO::max_poll_time $TICK * 0.1;	4195	IO::AIO::max_poll_time $TICK * 0.1;
3628	$AIO_POLL_WATCHER = Event->io (	4196	undef $AnyEvent::AIO::WATCHER;
3629	reentrant => 0,
3630	data => WF_AUTOCANCEL,
3631	fd => IO::AIO::poll_fileno,
3632	poll => 'r',
3633	prio => 0,
3634	cb => \&IO::AIO::poll_cb,
3635	);
3636	}	4197	}
3637		4198
3638	my $_log_backtrace;	4199	our $_log_backtrace;
		4200	our $_log_backtrace_last;
3639		4201
3640	sub _log_backtrace {	4202	sub _log_backtrace {
3641	my ($msg, @addr) = @_;	4203	my ($msg, @addr) = @_;
3642		4204
3643	$msg =~ s/\n//;	4205	$msg =~ s/\n$//;
3644		4206
		4207	if ($_log_backtrace_last eq $msg) {
		4208	LOG llevInfo, "[ABT] $msg\n";
		4209	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3645	# limit the # of concurrent backtraces	4210	# limit the # of concurrent backtraces
3646	if ($_log_backtrace < 2) {	4211	} elsif ($_log_backtrace < 2) {
		4212	$_log_backtrace_last = $msg;
3647	++$_log_backtrace;	4213	++$_log_backtrace;
		4214	my $perl_bt = Carp::longmess $msg;
3648	async {	4215	async {
3649	$Coro::current->{desc} = "abt $msg";	4216	$Coro::current->{desc} = "abt $msg";
3650		4217
3651	my @bt = fork_call {	4218	my @bt = fork_call {
3652	@addr = map { sprintf "%x", $_ } @addr;	4219	@addr = map { sprintf "%x", $_ } @addr;
…		…
3663	}	4230	}
3664		4231
3665	@funcs	4232	@funcs
3666	};	4233	};
3667		4234
3668	LOG llevInfo, "[ABT] $msg\n";	4235	LOG llevInfo, "[ABT] $perl_bt\n";
		4236	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3669	LOG llevInfo, "[ABT] $_\n" for @bt;	4237	LOG llevInfo, "[ABT] $_\n" for @bt;
3670	--$_log_backtrace;	4238	--$_log_backtrace;
3671	};	4239	};
3672	} else {	4240	} else {
3673	LOG llevInfo, "[ABT] $msg\n";	4241	LOG llevInfo, "[ABT] $msg\n";
3674	LOG llevInfo, "[ABT] [suppressed]\n";	4242	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3675	}	4243	}
3676	}	4244	}
3677		4245
3678	# load additional modules	4246	# load additional modules
3679	use cf::pod;	4247	require "cf/$_.pm" for @EXTRA_MODULES;
		4248	cf::_connect_to_perl_2;
3680		4249
3681	END { cf::emergency_save }	4250	END { cf::emergency_save }
3682		4251
3683	1	4252	1
3684		4253

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