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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.379 by root, Thu Oct 4 23:59:07 2007 UTC vs.
Revision 1.568 by root, Tue May 3 17:12:14 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.64 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
24	use Coro::Util ();	51	use Coro::Util ();
25		52
26	use JSON::XS ();	53	use JSON::XS 2.01 ();
27	use BDB ();	54	use BDB ();
28	use Data::Dumper;	55	use Data::Dumper;
29	use Digest::MD5;
30	use Fcntl;	56	use Fcntl;
31	use YAML::Syck ();	57	use YAML::XS ();
32	use IO::AIO 2.32 ();	58	use IO::AIO ();
33	use Time::HiRes;	59	use Time::HiRes;
34	use Compress::LZF;	60	use Compress::LZF;
35	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
36		64
37	# configure various modules to our taste	65	# configure various modules to our taste
38	#	66	#
39	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42		75
43	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
44		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		78
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
51		82
52	our %COMMAND = ();	83	our %COMMAND = ();
53	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
54		85
55	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
56	our %EXTCMD = ();	87	our %EXTCMD = ();
57	our %EXTICMD = ();	88	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
60		91
61	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
63		96
64	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
65	our $DATADIR = datadir;	99	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
69	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
75		120
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	123	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
83		125
84	our $BDB_POLL_WATCHER;
85	our $BDB_DEADLOCK_WATCHER;	126	our $BDB_DEADLOCK_WATCHER;
86	our $BDB_CHECKPOINT_WATCHER;	127	our $BDB_CHECKPOINT_WATCHER;
87	our $BDB_TRICKLE_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
88	our $DB_ENV;	129	our $DB_ENV;
89		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		132
90	our %CFG;	133	our %CFG;
91		134
92	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
93	our $RUNTIME;	136	our $RUNTIME;
		137	our $NOW;
94		138
95	our (%PLAYER, %PLAYER_LOADING); # all users	139	our (%PLAYER, %PLAYER_LOADING); # all users
96	our (%MAP, %MAP_LOADING ); # all maps	140	our (%MAP, %MAP_LOADING ); # all maps
97	our $LINK_MAP; # the special {link} map, which is always available	141	our $LINK_MAP; # the special {link} map, which is always available
98		142
99	# used to convert map paths into valid unix filenames by replacing / by ∕	143	# used to convert map paths into valid unix filenames by replacing / by ∕
100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	144	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
101		145
102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	146	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
103	our $LOADAVG; # same thing, but with alpha-smoothing	147	our $LOADAVG; # same thing, but with alpha-smoothing
		148	our $JITTER; # average jitter
104	our $tick_start; # for load detecting purposes	149	our $TICK_START; # for load detecting purposes
		150
		151	our @POST_INIT;
		152
		153	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		154	our $REALLY_UNLOOP; # never set to true, please :)
105		155
106	binmode STDOUT;	156	binmode STDOUT;
107	binmode STDERR;	157	binmode STDERR;
108		158
109	# read virtual server time, if available	159	# read virtual server time, if available
110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	160	unless ($RUNTIME || !-e $RUNTIMEFILE) {
111	open my $fh, "<", "$LOCALDIR/runtime"	161	open my $fh, "<", $RUNTIMEFILE
112	or die "unable to read runtime file: $!";	162	or die "unable to read $RUNTIMEFILE file: $!";
113	$RUNTIME = <$fh> + 0.;	163	$RUNTIME = <$fh> + 0.;
114	}	164	}
		165
		166	eval "sub TICK() { $TICK } 1" or die;
115		167
116	mkdir $_	168	mkdir $_
117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	169	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
118		170
119	our $EMERGENCY_POSITION;	171	our $EMERGENCY_POSITION;
120		172
121	sub cf::map::normalise;	173	sub cf::map::normalise;
		174
		175	sub in_main() {
		176	$Coro::current == $Coro::main
		177	}
		178
		179	#############################################################################
		180
		181	%REFLECT = ();
		182	for (@REFLECT) {
		183	my $reflect = JSON::XS::decode_json $_;
		184	$REFLECT{$reflect->{class}} = $reflect;
		185	}
		186
		187	# this is decidedly evil
		188	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
122		189
123	#############################################################################	190	#############################################################################
124		191
125	=head2 GLOBAL VARIABLES	192	=head2 GLOBAL VARIABLES
126		193
…		…
162		229
163	The raw value load value from the last tick.	230	The raw value load value from the last tick.
164		231
165	=item %cf::CFG	232	=item %cf::CFG
166		233
167	Configuration for the server, loaded from C</etc/crossfire/config>, or	234	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
168	from wherever your confdir points to.	235	from wherever your confdir points to.
169		236
170	=item cf::wait_for_tick, cf::wait_for_tick_begin	237	=item cf::wait_for_tick, cf::wait_for_tick_begin
171		238
172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	239	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
173	returns directly I<after> the tick processing (and consequently, can only wake one process	240	returns directly I<after> the tick processing (and consequently, can only wake one thread
174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	241	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
175		242
		243	=cut
		244
		245	sub wait_for_tick();
		246	sub wait_for_tick_begin();
		247
176	=item @cf::INVOKE_RESULTS	248	=item @cf::INVOKE_RESULTS
177		249
178	This array contains the results of the last C<invoke ()> call. When	250	This array contains the results of the last C<invoke ()> call. When
179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	251	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
180	that call.	252	that call.
181		253
		254	=item %cf::REFLECT
		255
		256	Contains, for each (C++) class name, a hash reference with information
		257	about object members (methods, scalars, arrays and flags) and other
		258	metadata, which is useful for introspection.
		259
182	=back	260	=back
183		261
184	=cut	262	=cut
185		263
186	BEGIN {	264	sub error(@) { LOG llevError, join "", @_ }
187	*CORE::GLOBAL::warn = sub {	265	sub warn (@) { LOG llevWarn , join "", @_ }
		266	sub info (@) { LOG llevInfo , join "", @_ }
		267	sub debug(@) { LOG llevDebug, join "", @_ }
		268	sub trace(@) { LOG llevTrace, join "", @_ }
		269
		270	$Coro::State::WARNHOOK = sub {
188	my $msg = join "", @_;	271	my $msg = join "", @_;
189		272
190	$msg .= "\n"	273	$msg .= "\n"
191	unless $msg =~ /\n$/;	274	unless $msg =~ /\n$/;
192		275
193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	276	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
194		277
195	LOG llevError, $msg;	278	LOG llevWarn, $msg;
196	};	279	};
197	}	280
		281	$Coro::State::DIEHOOK = sub {
		282	return unless $^S eq 0; # "eq", not "=="
		283
		284	error Carp::longmess $_[0];
		285
		286	if (in_main) {#d#
		287	error "DIEHOOK called in main context, Coro bug?\n";#d#
		288	return;#d#
		289	}#d#
		290
		291	# kill coroutine otherwise
		292	Coro::terminate
		293	};
198		294
199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	295	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	296	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	297	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	298	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
209	for my $pkg (qw(	305	for my $pkg (qw(
210	cf::global cf::attachable	306	cf::global cf::attachable
211	cf::object cf::object::player	307	cf::object cf::object::player
212	cf::client cf::player	308	cf::client cf::player
213	cf::arch cf::living	309	cf::arch cf::living
		310	cf::map cf::mapspace
214	cf::map cf::party cf::region	311	cf::party cf::region
215	)) {	312	)) {
216	no strict 'refs';
217	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	313	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
218	}	314	}
219		315
220	$Event::DIED = sub {	316	$EV::DIED = sub {
221	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
222	};	318	};
		319
		320	#############################################################################
		321
		322	sub fork_call(&@);
		323	sub get_slot($;$$);
223		324
224	#############################################################################	325	#############################################################################
225		326
226	=head2 UTILITY FUNCTIONS	327	=head2 UTILITY FUNCTIONS
227		328
…		…
248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	349	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
249	$d	350	$d
250	} || "[unable to dump $_[0]: '$@']";	351	} || "[unable to dump $_[0]: '$@']";
251	}	352	}
252		353
		354	=item $scalar = load_file $path
		355
		356	Loads the given file from path and returns its contents. Croaks on error
		357	and can block.
		358
		359	=cut
		360
		361	sub load_file($) {
		362	0 <= aio_load $_[0], my $data
		363	or Carp::croak "$_[0]: $!";
		364
		365	$data
		366	}
		367
253	=item $ref = cf::from_json $json	368	=item $ref = cf::decode_json $json
254		369
255	Converts a JSON string into the corresponding perl data structure.	370	Converts a JSON string into the corresponding perl data structure.
256		371
257	=item $json = cf::to_json $ref	372	=item $json = cf::encode_json $ref
258		373
259	Converts a perl data structure into its JSON representation.	374	Converts a perl data structure into its JSON representation.
260		375
261	=cut	376	=cut
262		377
263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	378	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
264		379
265	sub to_json ($) { $json_coder->encode ($_[0]) }	380	sub encode_json($) { $json_coder->encode ($_[0]) }
266	sub from_json ($) { $json_coder->decode ($_[0]) }	381	sub decode_json($) { $json_coder->decode ($_[0]) }
		382
		383	=item $ref = cf::decode_storable $scalar
		384
		385	Same as Coro::Storable::thaw, so blocks.
		386
		387	=cut
		388
		389	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		390
		391	=item $ref = cf::decode_yaml $scalar
		392
		393	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		394
		395	=cut
		396
		397	sub decode_yaml($) {
		398	fork_call { YAML::XS::Load $_[0] } @_
		399	}
		400
		401	=item $scalar = cf::unlzf $scalar
		402
		403	Same as Compress::LZF::compress, but takes server ticks into account, so
		404	blocks.
		405
		406	=cut
		407
		408	sub unlzf($) {
		409	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		410	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		411	Compress::LZF::decompress $_[0]
		412	}
		413
		414	=item cf::post_init { BLOCK }
		415
		416	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		417	but I<before> the server starts ticking again.
		418
		419	The codeblock will have a single boolean argument to indicate whether this
		420	is a reload or not.
		421
		422	=cut
		423
		424	sub post_init(&) {
		425	push @POST_INIT, shift;
		426	}
		427
		428	sub _post_init {
		429	trace "running post_init jobs";
		430
		431	# run them in parallel...
		432
		433	my @join;
		434
		435	while () {
		436	push @join, map &Coro::async ($_, 0), @POST_INIT;
		437	@POST_INIT = ();
		438
		439	@join or last;
		440
		441	(pop @join)->join;
		442	}
		443	}
267		444
268	=item cf::lock_wait $string	445	=item cf::lock_wait $string
269		446
270	Wait until the given lock is available. See cf::lock_acquire.	447	Wait until the given lock is available. See cf::lock_acquire.
271		448
272	=item my $lock = cf::lock_acquire $string	449	=item my $lock = cf::lock_acquire $string
273		450
274	Wait until the given lock is available and then acquires it and returns	451	Wait until the given lock is available and then acquires it and returns
275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	452	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
276	for example when the coroutine gets canceled), the lock is automatically	453	for example when the coroutine gets canceled), the lock is automatically
277	returned.	454	returned.
278		455
279	Locks are *not* recursive, locking from the same coro twice results in a	456	Locks are *not* recursive, locking from the same coro twice results in a
280	deadlocked coro.	457	deadlocked coro.
…		…
286		463
287	Return true if the lock is currently active, i.e. somebody has locked it.	464	Return true if the lock is currently active, i.e. somebody has locked it.
288		465
289	=cut	466	=cut
290		467
291	our %LOCK;	468	our $LOCKS = new Coro::SemaphoreSet;
292	our %LOCKER;#d#
293		469
294	sub lock_wait($) {	470	sub lock_wait($) {
295	my ($key) = @_;	471	$LOCKS->wait ($_[0]);
296
297	if ($LOCKER{$key} == $Coro::current) {#d#
298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
299	return;#d#
300	}#d#
301
302	# wait for lock, if any
303	while ($LOCK{$key}) {
304	push @{ $LOCK{$key} }, $Coro::current;
305	Coro::schedule;
306	}
307	}	472	}
308		473
309	sub lock_acquire($) {	474	sub lock_acquire($) {
310	my ($key) = @_;	475	$LOCKS->guard ($_[0])
311
312	# wait, to be sure we are not locked
313	lock_wait $key;
314
315	$LOCK{$key} = [];
316	$LOCKER{$key} = $Coro::current;#d#
317
318	Coro::guard {
319	delete $LOCKER{$key};#d#
320	# wake up all waiters, to be on the safe side
321	$_->ready for @{ delete $LOCK{$key} };
322	}
323	}	476	}
324		477
325	sub lock_active($) {	478	sub lock_active($) {
326	my ($key) = @_;	479	$LOCKS->count ($_[0]) < 1
327
328	! ! $LOCK{$key}
329	}	480	}
330		481
331	sub freeze_mainloop {	482	sub freeze_mainloop {
332	return unless $TICK_WATCHER->is_active;	483	tick_inhibit_inc;
333		484
334	my $guard = Coro::guard {	485	&Guard::guard (\&tick_inhibit_dec);
335	$TICK_WATCHER->start;	486	}
336	};	487
337	$TICK_WATCHER->stop;	488	=item cf::periodic $interval, $cb
338	$guard	489
		490	Like EV::periodic, but randomly selects a starting point so that the actions
		491	get spread over time.
		492
		493	=cut
		494
		495	sub periodic($$) {
		496	my ($interval, $cb) = @_;
		497
		498	my $start = rand List::Util::min 180, $interval;
		499
		500	EV::periodic $start, $interval, 0, $cb
339	}	501	}
340		502
341	=item cf::get_slot $time[, $priority[, $name]]	503	=item cf::get_slot $time[, $priority[, $name]]
342		504
343	Allocate $time seconds of blocking CPU time at priority C<$priority>:	505	Allocate $time seconds of blocking CPU time at priority C<$priority>
344	This call blocks and returns only when you have at least C<$time> seconds	506	(default: 0): This call blocks and returns only when you have at least
345	of cpu time till the next tick. The slot is only valid till the next cede.	507	C<$time> seconds of cpu time till the next tick. The slot is only valid
		508	till the next cede.
		509
		510	Background jobs should use a priority les than zero, interactive jobs
		511	should use 100 or more.
346		512
347	The optional C<$name> can be used to identify the job to run. It might be	513	The optional C<$name> can be used to identify the job to run. It might be
348	used for statistical purposes and should identify the same time-class.	514	used for statistical purposes and should identify the same time-class.
349		515
350	Useful for short background jobs.	516	Useful for short background jobs.
351		517
352	=cut	518	=cut
353		519
354	our @SLOT_QUEUE;	520	our @SLOT_QUEUE;
355	our $SLOT_QUEUE;	521	our $SLOT_QUEUE;
		522	our $SLOT_DECAY = 0.9;
356		523
357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	524	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
358	$SLOT_QUEUE = Coro::async {	525	$SLOT_QUEUE = Coro::async {
359	$Coro::current->desc ("timeslot manager");	526	$Coro::current->desc ("timeslot manager");
360		527
361	my $signal = new Coro::Signal;	528	my $signal = new Coro::Signal;
		529	my $busy;
362		530
363	while () {	531	while () {
364	next_job:	532	next_job:
		533
365	my $avail = cf::till_tick;	534	my $avail = cf::till_tick;
366	if ($avail > 0.01) {	535
367	for (0 .. $#SLOT_QUEUE) {	536	for (0 .. $#SLOT_QUEUE) {
368	if ($SLOT_QUEUE[$_][0] < $avail) {	537	if ($SLOT_QUEUE[$_][0] <= $avail) {
		538	$busy = 0;
369	my $job = splice @SLOT_QUEUE, $_, 1, ();	539	my $job = splice @SLOT_QUEUE, $_, 1, ();
370	$job->[2]->send;	540	$job->[2]->send;
371	Coro::cede;	541	Coro::cede;
372	goto next_job;	542	goto next_job;
373	}	543	} else {
		544	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
374	}	545	}
375	}	546	}
376		547
377	if (@SLOT_QUEUE) {	548	if (@SLOT_QUEUE) {
378	# we do not use wait_For_tick() as it returns immediately when tick is inactive	549	# we do not use wait_for_tick() as it returns immediately when tick is inactive
379	push @cf::WAIT_FOR_TICK, $signal;	550	push @cf::WAIT_FOR_TICK, $signal;
380	$signal->wait;	551	$signal->wait;
381	} else {	552	} else {
		553	$busy = 0;
382	Coro::schedule;	554	Coro::schedule;
383	}	555	}
384	}	556	}
385	};	557	};
386		558
387	sub get_slot($;$$) {	559	sub get_slot($;$$) {
		560	return if tick_inhibit || $Coro::current == $Coro::main;
		561
388	my ($time, $pri, $name) = @_;	562	my ($time, $pri, $name) = @_;
389		563
390	$time = $TICK * .6 if $time > $TICK * .6;	564	$time = clamp $time, 0.01, $TICK * .6;
		565
391	my $sig = new Coro::Signal;	566	my $sig = new Coro::Signal;
392		567
393	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	568	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
394	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	569	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
395	$SLOT_QUEUE->ready;	570	$SLOT_QUEUE->ready;
…		…
406		581
407	BEGIN { *async = \&Coro::async_pool }	582	BEGIN { *async = \&Coro::async_pool }
408		583
409	=item cf::sync_job { BLOCK }	584	=item cf::sync_job { BLOCK }
410		585
411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	586	The design of Deliantra requires that the main coroutine ($Coro::main)
412	is always able to handle events or runnable, as Crossfire TRT is only	587	is always able to handle events or runnable, as Deliantra is only
413	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	588	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
414	acceptable.	589	acceptable.
415		590
416	If it must be done, put the blocking parts into C<sync_job>. This will run	591	If it must be done, put the blocking parts into C<sync_job>. This will run
417	the given BLOCK in another coroutine while waiting for the result. The	592	the given BLOCK in another coroutine while waiting for the result. The
…		…
421	=cut	596	=cut
422		597
423	sub sync_job(&) {	598	sub sync_job(&) {
424	my ($job) = @_;	599	my ($job) = @_;
425		600
426	if ($Coro::current == $Coro::main) {	601	if (in_main) {
427	my $time = Event::time;	602	my $time = AE::time;
428		603
429	# this is the main coro, too bad, we have to block	604	# this is the main coro, too bad, we have to block
430	# till the operation succeeds, freezing the server :/	605	# till the operation succeeds, freezing the server :/
431		606
432	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 = 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	$av = eval { (Storable::thaw $av)->{objs} };	1350	my $st = eval { Coro::Storable::thaw $av };
		1351	$av = $st->{objs};
1093	}	1352	}
1094		1353
1095	utf8::decode (my $decname = $filename);	1354	utf8::decode (my $decname = $filename);
1096	warn sprintf "loading %s (%d,%d)\n",	1355	trace sprintf "loading %s (%d,%d)\n",
1097	$decname, length $data, scalar @{$av || []};	1356	$decname, length $data, scalar @{$av || []}
		1357	if $VERBOSE_IO;
1098		1358
1099	($data, $av)	1359	($data, $av)
1100	}	1360	}
1101		1361
1102	=head2 COMMAND CALLBACKS	1362	=head2 COMMAND CALLBACKS
…		…
1158	my ($name, $cb) = @_;	1418	my ($name, $cb) = @_;
1159		1419
1160	$EXTICMD{$name} = $cb;	1420	$EXTICMD{$name} = $cb;
1161	}	1421	}
1162		1422
		1423	use File::Glob ();
		1424
1163	cf::player->attach (	1425	cf::player->attach (
1164	on_command => sub {	1426	on_unknown_command => sub {
1165	my ($pl, $name, $params) = @_;	1427	my ($pl, $name, $params) = @_;
1166		1428
1167	my $cb = $COMMAND{$name}	1429	my $cb = $COMMAND{$name}
1168	or return;	1430	or return;
1169		1431
…		…
1192		1454
1193	$pl->ext_reply ($reply, @reply)	1455	$pl->ext_reply ($reply, @reply)
1194	if $reply;	1456	if $reply;
1195		1457
1196	} else {	1458	} else {
1197	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1459	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1198	}	1460	}
1199		1461
1200	cf::override;	1462	cf::override;
1201	},	1463	},
1202	);	1464	);
1203		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
1204	sub load_extensions {	1479	sub load_extensions {
		1480	info "loading extensions...";
		1481
1205	cf::sync_job {	1482	cf::sync_job {
1206	my %todo;	1483	my %todo;
1207		1484
1208	for my $path (<$LIBDIR/*.ext>) {	1485	for my $path (<$LIBDIR/*.ext>) {
1209	next unless -r $path;	1486	next unless -r $path;
…		…
1227		1504
1228	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1505	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1229	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1506	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1230		1507
1231	$ext{source} =	1508	$ext{source} =
1232	"package $pkg; use strict; use utf8;\n"	1509	"package $pkg; use common::sense;\n"
1233	. "#line 1 \"$path\"\n{\n"	1510	. "#line 1 \"$path\"\n{\n"
1234	. $source	1511	. $source
1235	. "\n};\n1";	1512	. "\n};\n1";
1236		1513
1237	$todo{$base} = \%ext;	1514	$todo{$base} = \%ext;
1238	}	1515	}
1239		1516
		1517	my $pass = 0;
1240	my %done;	1518	my %done;
1241	while (%todo) {	1519	while (%todo) {
1242	my $progress;	1520	my $progress;
1243		1521
		1522	++$pass;
		1523
		1524	ext:
1244	while (my ($k, $v) = each %todo) {	1525	while (my ($k, $v) = each %todo) {
1245	for (split /,\s*/, $v->{meta}{depends}) {	1526	for (split /,\s*/, $v->{meta}{depends}) {
1246	goto skip	1527	next ext
1247	unless exists $done{$_};	1528	unless exists $done{$_};
1248	}	1529	}
1249		1530
1250	warn "... loading '$k' into '$v->{pkg}'\n";	1531	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1251		1532
1252	unless (eval $v->{source}) {	1533	my $active = eval $v->{source};
		1534
		1535	if (length $@) {
1253	my $msg = $@ ? "$v->{path}: $@\n"	1536	error "$v->{path}: $@\n";
1254	: "$v->{base}: extension inactive.\n";
1255		1537
		1538	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1256	if (exists $v->{meta}{mandatory}) {	1539	if exists $v->{meta}{mandatory};
1257	warn $msg;	1540
1258	warn "mandatory extension failed to load, exiting.\n";	1541	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1259	exit 1;	1542	delete $todo{$k};
1260	}	1543	} else {
1261		1544	$done{$k} = delete $todo{$k};
1262	warn $msg;	1545	push @EXTS, $v->{pkg};
		1546	$progress = 1;
		1547
		1548	info "$v->{base}: extension inactive.\n"
		1549	unless $active;
1263	}	1550	}
1264
1265	$done{$k} = delete $todo{$k};
1266	push @EXTS, $v->{pkg};
1267	$progress = 1;
1268	}	1551	}
1269		1552
1270	skip:	1553	unless ($progress) {
1271	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1554	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1272	unless $progress;	1555
		1556	while (my ($k, $v) = each %todo) {
		1557	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1558	if exists $v->{meta}{mandatory};
		1559	}
		1560
		1561	last;
		1562	}
1273	}	1563	}
1274	};	1564	};
1275	}	1565	}
1276		1566
1277	#############################################################################	1567	#############################################################################
1278		1568
1279	=back	1569	=back
1280		1570
1281	=head2 CORE EXTENSIONS	1571	=head2 CORE EXTENSIONS
1282		1572
1283	Functions and methods that extend core crossfire objects.	1573	Functions and methods that extend core deliantra objects.
1284		1574
1285	=cut	1575	=cut
1286		1576
1287	package cf::player;	1577	package cf::player;
1288		1578
…		…
1331		1621
1332	sub exists($) {	1622	sub exists($) {
1333	my ($login) = @_;	1623	my ($login) = @_;
1334		1624
1335	$cf::PLAYER{$login}	1625	$cf::PLAYER{$login}
1336	or cf::sync_job { !aio_stat path $login }	1626	or !aio_stat path $login
1337	}	1627	}
1338		1628
1339	sub find($) {	1629	sub find($) {
1340	return $cf::PLAYER{$_[0]} || do {	1630	return $cf::PLAYER{$_[0]} || do {
1341	my $login = $_[0];	1631	my $login = $_[0];
…		…
1353	my $f = new_from_file cf::object::thawer path $login	1643	my $f = new_from_file cf::object::thawer path $login
1354	or return;	1644	or return;
1355		1645
1356	my $pl = cf::player::load_pl $f	1646	my $pl = cf::player::load_pl $f
1357	or return;	1647	or return;
		1648
1358	local $cf::PLAYER_LOADING{$login} = $pl;	1649	local $cf::PLAYER_LOADING{$login} = $pl;
1359	$f->resolve_delayed_derefs;	1650	$f->resolve_delayed_derefs;
1360	$cf::PLAYER{$login} = $pl	1651	$cf::PLAYER{$login} = $pl
1361	}	1652	}
1362	}	1653	}
1363	}	1654	}
1364		1655
		1656	cf::player->attach (
		1657	on_load => sub {
		1658	my ($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
1365	sub save($) {	1669	sub save($) {
1366	my ($pl) = @_;	1670	my ($pl) = @_;
1367		1671
1368	return if $pl->{deny_save};	1672	return if $pl->{deny_save};
1369		1673
…		…
1372		1676
1373	return if $pl->{deny_save};	1677	return if $pl->{deny_save};
1374		1678
1375	aio_mkdir playerdir $pl, 0770;	1679	aio_mkdir playerdir $pl, 0770;
1376	$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];
1377		1686
1378	$pl->save_pl ($path);	1687	$pl->save_pl ($path);
1379	cf::cede_to_tick;	1688	cf::cede_to_tick;
1380	}	1689	}
1381		1690
…		…
1413	my ($pl) = @_;	1722	my ($pl) = @_;
1414		1723
1415	my $name = $pl->ob->name;	1724	my $name = $pl->ob->name;
1416		1725
1417	$pl->{deny_save} = 1;	1726	$pl->{deny_save} = 1;
1418	$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
1419		1728
1420	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1729	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1421	$pl->deactivate;	1730	$pl->deactivate;
		1731
		1732	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1422	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1733	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1734	ext::highscore::check ($pl->ob);
		1735
1423	$pl->ns->destroy if $pl->ns;	1736	$pl->ns->destroy if $pl->ns;
1424		1737
1425	my $path = playerdir $pl;	1738	my $path = playerdir $pl;
1426	my $temp = "$path~$cf::RUNTIME~deleting~";	1739	my $temp = "$path~$cf::RUNTIME~deleting~";
1427	aio_rename $path, $temp;	1740	aio_rename $path, $temp;
…		…
1465		1778
1466	for my $login (@$dirs) {	1779	for my $login (@$dirs) {
1467	my $path = path $login;	1780	my $path = path $login;
1468		1781
1469	# a .pst is a dead give-away for a valid player	1782	# a .pst is a dead give-away for a valid player
1470	unless (-e "$path.pst") {	1783	# if no pst file found, open and chekc for blocked users
		1784	if (aio_stat "$path.pst") {
1471	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1785	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1472	aio_read $fh, 0, 512, my $buf, 0 or next;	1786	aio_read $fh, 0, 512, my $buf, 0 or next;
1473	$buf !~ /^password -------------$/m or next; # official not-valid tag	1787	$buf !~ /^password -------------$/m or next; # official not-valid tag
1474	}	1788	}
1475		1789
…		…
1479		1793
1480	\@logins	1794	\@logins
1481	}	1795	}
1482		1796
1483	=item $player->maps	1797	=item $player->maps
		1798
		1799	=item cf::player::maps $login
1484		1800
1485	Returns an arrayref of map paths that are private for this	1801	Returns an arrayref of map paths that are private for this
1486	player. May block.	1802	player. May block.
1487		1803
1488	=cut	1804	=cut
…		…
1506	}	1822	}
1507		1823
1508	\@paths	1824	\@paths
1509	}	1825	}
1510		1826
1511	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1827	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1512		1828
1513	Expand crossfire pod fragments into protocol xml.	1829	Expand deliantra pod fragments into protocol xml.
1514
1515	=cut
1516
1517	sub expand_cfpod {
1518	((my $self), (local $_)) = @_;
1519
1520	# escape & and <
1521	s/&/&amp;/g;
1522	s/(?<![BIUGHT])</&lt;/g;
1523
1524	# this is buggy, it needs to properly take care of nested <'s
1525
1526	1 while
1527	# replace B<>, I<>, U<> etc.
1528	s/B<([^\>]*)>/<b>$1<\/b>/
1529	|| s/I<([^\>]*)>/<i>$1<\/i>/
1530	|| s/U<([^\>]*)>/<u>$1<\/u>/
1531	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1532	# replace G<male|female> tags
1533	|| s{G<([^>|]*)\|([^>]*)>}{
1534	$self->gender ? $2 : $1
1535	}ge
1536	# replace H<hint text>
1537	|| s{H<([^\>]*)>}
1538	{
1539	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1540	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1541	"")
1542	[$self->{hintmode}]
1543	}ge;
1544
1545	# create single paragraphs (very hackish)
1546	s/(?<=\S)\n(?=\w)/ /g;
1547
1548	# compress some whitespace
1549	s/\s+\n/\n/g; # ws line-ends
1550	s/\n\n+/\n/g; # double lines
1551	s/^\n+//; # beginning lines
1552	s/\n+$//; # ending lines
1553
1554	$_
1555	}
1556
1557	sub hintmode {
1558	$_[0]{hintmode} = $_[1] if @_ > 1;
1559	$_[0]{hintmode}
1560	}
1561		1830
1562	=item $player->ext_reply ($msgid, @msg)	1831	=item $player->ext_reply ($msgid, @msg)
1563		1832
1564	Sends an ext reply to the player.	1833	Sends an ext reply to the player.
1565		1834
…		…
1597		1866
1598	=cut	1867	=cut
1599		1868
1600	sub find_by_path($) {	1869	sub find_by_path($) {
1601	my ($path) = @_;	1870	my ($path) = @_;
		1871
		1872	$path =~ s/^~[^\/]*//; # skip ~login
1602		1873
1603	my ($match, $specificity);	1874	my ($match, $specificity);
1604		1875
1605	for my $region (list) {	1876	for my $region (list) {
1606	if ($region->{match} && $path =~ $region->{match}) {	1877	if ($region->{match} && $path =~ $region->{match}) {
…		…
1632	our $MAX_RESET = 3600;	1903	our $MAX_RESET = 3600;
1633	our $DEFAULT_RESET = 3000;	1904	our $DEFAULT_RESET = 3000;
1634		1905
1635	sub generate_random_map {	1906	sub generate_random_map {
1636	my ($self, $rmp) = @_;	1907	my ($self, $rmp) = @_;
1637	# mit "rum" bekleckern, nicht	1908
		1909	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1910
1638	$self->_create_random_map (	1911	$self->_create_random_map ($rmp);
1639	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1640	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1641	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1642	$rmp->{exit_on_final_map},
1643	$rmp->{xsize}, $rmp->{ysize},
1644	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1645	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1646	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1647	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1648	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1649	(cf::region::find $rmp->{region}), $rmp->{custom}
1650	)
1651	}	1912	}
1652		1913
1653	=item cf::map->register ($regex, $prio)	1914	=item cf::map->register ($regex, $prio)
1654		1915
1655	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
…		…
1660		1921
1661	sub register {	1922	sub register {
1662	my (undef, $regex, $prio) = @_;	1923	my (undef, $regex, $prio) = @_;
1663	my $pkg = caller;	1924	my $pkg = caller;
1664		1925
1665	no strict;
1666	push @{"$pkg\::ISA"}, __PACKAGE__;	1926	push @{"$pkg\::ISA"}, __PACKAGE__;
1667		1927
1668	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1928	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1669	}	1929	}
1670		1930
1671	# also paths starting with '/'	1931	# also paths starting with '/'
1672	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1932	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1673		1933
1674	sub thawer_merge {	1934	sub thawer_merge {
1675	my ($self, $merge) = @_;	1935	my ($self, $merge) = @_;
1676		1936
1677	# we have to keep some variables in memory intact	1937	# we have to keep some variables in memory intact
…		…
1682	}	1942	}
1683		1943
1684	sub normalise {	1944	sub normalise {
1685	my ($path, $base) = @_;	1945	my ($path, $base) = @_;
1686		1946
1687	$path = "$path"; # make sure its a string	1947	$path = "$path"; # make sure it's a string
1688		1948
1689	$path =~ s/\.map$//;	1949	$path =~ s/\.map$//;
1690		1950
1691	# map plan:	1951	# map plan:
1692	#	1952	#
…		…
1707	$base =~ s{[^/]+/?$}{};	1967	$base =~ s{[^/]+/?$}{};
1708	$path = "$base/$path";	1968	$path = "$base/$path";
1709	}	1969	}
1710		1970
1711	for ($path) {	1971	for ($path) {
1712	redo if s{//}{/};
1713	redo if s{/\.?/}{/};	1972	redo if s{/\.?/}{/};
1714	redo if s{/[^/]+/\.\./}{/};	1973	redo if s{/[^/]+/\.\./}{/};
1715	}	1974	}
1716		1975
1717	$path	1976	$path
…		…
1731	$self->init; # pass $1 etc.	1990	$self->init; # pass $1 etc.
1732	return $self;	1991	return $self;
1733	}	1992	}
1734	}	1993	}
1735		1994
1736	Carp::cluck "unable to resolve path '$path' (base '$base').";	1995	Carp::cluck "unable to resolve path '$path' (base '$base')";
1737	()	1996	()
1738	}	1997	}
1739		1998
		1999	# may re-bless or do other evil things
1740	sub init {	2000	sub init {
1741	my ($self) = @_;	2001	my ($self) = @_;
1742		2002
1743	$self	2003	$self
1744	}	2004	}
…		…
1763		2023
1764	# the temporary/swap location	2024	# the temporary/swap location
1765	sub save_path {	2025	sub save_path {
1766	my ($self) = @_;	2026	my ($self) = @_;
1767		2027
1768	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2028	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1769	"$TMPDIR/$path.map"	2029	"$TMPDIR/$path.map"
1770	}	2030	}
1771		2031
1772	# the unique path, undef == no special unique path	2032	# the unique path, undef == no special unique path
1773	sub uniq_path {	2033	sub uniq_path {
1774	my ($self) = @_;	2034	my ($self) = @_;
1775		2035
1776	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2036	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1777	"$UNIQUEDIR/$path"	2037	"$UNIQUEDIR/$path"
1778	}
1779
1780	# and all this just because we cannot iterate over
1781	# all maps in C++...
1782	sub change_all_map_light {
1783	my ($change) = @_;
1784
1785	$_->change_map_light ($change)
1786	for grep $_->outdoor, values %cf::MAP;
1787	}	2038	}
1788		2039
1789	sub decay_objects {	2040	sub decay_objects {
1790	my ($self) = @_;	2041	my ($self) = @_;
1791		2042
…		…
1818	$self->{load_path} = $path;	2069	$self->{load_path} = $path;
1819		2070
1820	1	2071	1
1821	}	2072	}
1822		2073
		2074	# used to laod the header of an original map
1823	sub load_header_orig {	2075	sub load_header_orig {
1824	my ($self) = @_;	2076	my ($self) = @_;
1825		2077
1826	$self->load_header_from ($self->load_path)	2078	$self->load_header_from ($self->load_path)
1827	}	2079	}
1828		2080
		2081	# used to laod the header of an instantiated map
1829	sub load_header_temp {	2082	sub load_header_temp {
1830	my ($self) = @_;	2083	my ($self) = @_;
1831		2084
1832	$self->load_header_from ($self->save_path)	2085	$self->load_header_from ($self->save_path)
1833	}	2086	}
1834		2087
		2088	# called after loading the header from an instantiated map
1835	sub prepare_temp {	2089	sub prepare_temp {
1836	my ($self) = @_;	2090	my ($self) = @_;
1837		2091
1838	$self->last_access ((delete $self->{last_access})	2092	$self->last_access ((delete $self->{last_access})
1839	|| $cf::RUNTIME); #d#	2093	|| $cf::RUNTIME); #d#
1840	# safety	2094	# safety
1841	$self->{instantiate_time} = $cf::RUNTIME	2095	$self->{instantiate_time} = $cf::RUNTIME
1842	if $self->{instantiate_time} > $cf::RUNTIME;	2096	if $self->{instantiate_time} > $cf::RUNTIME;
1843	}	2097	}
1844		2098
		2099	# called after loading the header from an original map
1845	sub prepare_orig {	2100	sub prepare_orig {
1846	my ($self) = @_;	2101	my ($self) = @_;
1847		2102
1848	$self->{load_original} = 1;	2103	$self->{load_original} = 1;
1849	$self->{instantiate_time} = $cf::RUNTIME;	2104	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1873		2128
1874	sub find;	2129	sub find;
1875	sub find {	2130	sub find {
1876	my ($path, $origin) = @_;	2131	my ($path, $origin) = @_;
1877		2132
		2133	cf::cede_to_tick;
		2134
1878	$path = normalise $path, $origin && $origin->path;	2135	$path = normalise $path, $origin;
1879		2136
1880	cf::lock_wait "map_data:$path";#d#remove	2137	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1881	cf::lock_wait "map_find:$path";	2138	my $guard2 = cf::lock_acquire "map_find:$path";
1882		2139
1883	$cf::MAP{$path} || do {	2140	$cf::MAP{$path} || do {
1884	my $guard1 = cf::lock_acquire "map_find:$path";
1885	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1886
1887	my $map = new_from_path cf::map $path	2141	my $map = new_from_path cf::map $path
1888	or return;	2142	or return;
1889		2143
1890	$map->{last_save} = $cf::RUNTIME;	2144	$map->{last_save} = $cf::RUNTIME;
1891		2145
…		…
1893	or return;	2147	or return;
1894		2148
1895	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2149	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1896	# doing this can freeze the server in a sync job, obviously	2150	# doing this can freeze the server in a sync job, obviously
1897	#$cf::WAIT_FOR_TICK->wait;	2151	#$cf::WAIT_FOR_TICK->wait;
		2152	undef $guard2;
1898	undef $guard1;	2153	undef $guard1;
1899	undef $guard2;
1900	$map->reset;	2154	$map->reset;
1901	return find $path;	2155	return find $path;
1902	}	2156	}
1903		2157
1904	$cf::MAP{$path} = $map	2158	$cf::MAP{$path} = $map
1905	}	2159	}
1906	}	2160	}
1907		2161
1908	sub pre_load { }	2162	sub pre_load { }
1909	sub post_load { }	2163	#sub post_load { } # XS
1910		2164
1911	sub load {	2165	sub load {
1912	my ($self) = @_;	2166	my ($self) = @_;
1913		2167
1914	local $self->{deny_reset} = 1; # loading can take a long time	2168	local $self->{deny_reset} = 1; # loading can take a long time
…		…
1926	$self->alloc;	2180	$self->alloc;
1927		2181
1928	$self->pre_load;	2182	$self->pre_load;
1929	cf::cede_to_tick;	2183	cf::cede_to_tick;
1930		2184
		2185	if (exists $self->{load_path}) {
1931	my $f = new_from_file cf::object::thawer $self->{load_path};	2186	my $f = new_from_file cf::object::thawer $self->{load_path};
1932	$f->skip_block;	2187	$f->skip_block;
1933	$self->_load_objects ($f)	2188	$self->_load_objects ($f)
1934	or return;	2189	or return;
1935		2190
1936	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2191	$self->post_load_original
1937	if delete $self->{load_original};	2192	if delete $self->{load_original};
1938		2193
1939	if (my $uniq = $self->uniq_path) {	2194	if (my $uniq = $self->uniq_path) {
1940	utf8::encode $uniq;	2195	utf8::encode $uniq;
1941	unless (aio_stat $uniq) {	2196	unless (aio_stat $uniq) {
1942	if (my $f = new_from_file cf::object::thawer $uniq) {	2197	if (my $f = new_from_file cf::object::thawer $uniq) {
1943	$self->clear_unique_items;	2198	$self->clear_unique_items;
1944	$self->_load_objects ($f);	2199	$self->_load_objects ($f);
1945	$f->resolve_delayed_derefs;	2200	$f->resolve_delayed_derefs;
		2201	}
1946	}	2202	}
1947	}	2203	}
1948	}
1949		2204
1950	$f->resolve_delayed_derefs;	2205	$f->resolve_delayed_derefs;
		2206	} else {
		2207	$self->post_load_original
		2208	if delete $self->{load_original};
		2209	}
1951		2210
1952	cf::cede_to_tick;	2211	cf::cede_to_tick;
1953	# now do the right thing for maps	2212	# now do the right thing for maps
1954	$self->link_multipart_objects;	2213	$self->link_multipart_objects;
1955	$self->difficulty ($self->estimate_difficulty)	2214	$self->difficulty ($self->estimate_difficulty)
…		…
1959	unless ($self->{deny_activate}) {	2218	unless ($self->{deny_activate}) {
1960	$self->decay_objects;	2219	$self->decay_objects;
1961	$self->fix_auto_apply;	2220	$self->fix_auto_apply;
1962	$self->update_buttons;	2221	$self->update_buttons;
1963	cf::cede_to_tick;	2222	cf::cede_to_tick;
1964	$self->set_darkness_map;	2223	#$self->activate; # no longer activate maps automatically
1965	cf::cede_to_tick;
1966	$self->activate;
1967	}	2224	}
1968		2225
1969	$self->{last_save} = $cf::RUNTIME;	2226	$self->{last_save} = $cf::RUNTIME;
1970	$self->last_access ($cf::RUNTIME);	2227	$self->last_access ($cf::RUNTIME);
1971		2228
1972	$self->in_memory (cf::MAP_IN_MEMORY);	2229	$self->in_memory (cf::MAP_ACTIVE);
1973	}	2230	}
1974		2231
1975	$self->post_load;	2232	$self->post_load;
1976	}
1977		2233
		2234	1
		2235	}
		2236
		2237	# customize the map for a given player, i.e.
		2238	# return the _real_ map. used by e.g. per-player
		2239	# maps to change the path to ~playername/mappath
1978	sub customise_for {	2240	sub customise_for {
1979	my ($self, $ob) = @_;	2241	my ($self, $ob) = @_;
1980		2242
1981	return find "~" . $ob->name . "/" . $self->{path}	2243	return find "~" . $ob->name . "/" . $self->{path}
1982	if $self->per_player;	2244	if $self->per_player;
…		…
1998	or next;	2260	or next;
1999	$neigh = find $neigh, $map	2261	$neigh = find $neigh, $map
2000	or next;	2262	or next;
2001	$neigh->load;	2263	$neigh->load;
2002		2264
		2265	# now find the diagonal neighbours
2003	push @neigh,	2266	push @neigh,
2004	[$neigh->tile_path (($_ + 3) % 4), $neigh],	2267	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2005	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2268	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2006	}	2269	}
2007		2270
…		…
2014	}	2277	}
2015		2278
2016	sub find_sync {	2279	sub find_sync {
2017	my ($path, $origin) = @_;	2280	my ($path, $origin) = @_;
2018		2281
2019	cf::sync_job { find $path, $origin }	2282	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2283	if $Coro::current == $Coro::main;
		2284
		2285	find $path, $origin
2020	}	2286	}
2021		2287
2022	sub do_load_sync {	2288	sub do_load_sync {
2023	my ($map) = @_;	2289	my ($map) = @_;
2024		2290
2025	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2291	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2026	if $Coro::current == $Coro::main;	2292	if $Coro::current == $Coro::main;
2027		2293
2028	cf::sync_job { $map->load };	2294	$map->load;
2029	}	2295	}
2030		2296
2031	our %MAP_PREFETCH;	2297	our %MAP_PREFETCH;
2032	our $MAP_PREFETCHER = undef;	2298	our $MAP_PREFETCHER = undef;
2033		2299
2034	sub find_async {	2300	sub find_async {
2035	my ($path, $origin, $load) = @_;	2301	my ($path, $origin, $load) = @_;
2036		2302
2037	$path = normalise $path, $origin && $origin->{path};	2303	$path = normalise $path, $origin;
2038		2304
2039	if (my $map = $cf::MAP{$path}) {	2305	if (my $map = $cf::MAP{$path}) {
2040	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2306	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2041	}	2307	}
2042		2308
2043	$MAP_PREFETCH{$path} |= $load;	2309	$MAP_PREFETCH{$path} |= $load;
2044		2310
2045	$MAP_PREFETCHER ||= cf::async {	2311	$MAP_PREFETCHER ||= cf::async {
…		…
2059	$MAP_PREFETCHER->prio (6);	2325	$MAP_PREFETCHER->prio (6);
2060		2326
2061	()	2327	()
2062	}	2328	}
2063		2329
		2330	# common code, used by both ->save and ->swapout
2064	sub save {	2331	sub _save {
2065	my ($self) = @_;	2332	my ($self) = @_;
2066
2067	my $lock = cf::lock_acquire "map_data:$self->{path}";
2068		2333
2069	$self->{last_save} = $cf::RUNTIME;	2334	$self->{last_save} = $cf::RUNTIME;
2070		2335
2071	return unless $self->dirty;	2336	return unless $self->dirty;
2072		2337
…		…
2081		2346
2082	cf::async {	2347	cf::async {
2083	$Coro::current->{desc} = "map player save";	2348	$Coro::current->{desc} = "map player save";
2084	$_->contr->save for $self->players;	2349	$_->contr->save for $self->players;
2085	};	2350	};
		2351
		2352	cf::get_slot 0.02;
2086		2353
2087	if ($uniq) {	2354	if ($uniq) {
2088	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2355	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2089	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2356	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2090	} else {	2357	} else {
2091	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2358	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2092	}	2359	}
2093	}	2360	}
2094		2361
		2362	sub save {
		2363	my ($self) = @_;
		2364
		2365	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2366
		2367	$self->_save;
		2368	}
		2369
2095	sub swap_out {	2370	sub swap_out {
2096	my ($self) = @_;	2371	my ($self) = @_;
2097		2372
2098	# save first because save cedes
2099	$self->save;
2100
2101	my $lock = cf::lock_acquire "map_data:$self->{path}";	2373	my $lock = cf::lock_acquire "map_data:$self->{path}";
2102		2374
		2375	return if $self->in_memory != cf::MAP_ACTIVE;
		2376	return if $self->{deny_save};
2103	return if $self->players;	2377	return if $self->players;
2104	return if $self->in_memory != cf::MAP_IN_MEMORY;
2105	return if $self->{deny_save};
2106		2378
		2379	# first deactivate the map and "unlink" it from the core
		2380	$self->deactivate;
		2381	$_->clear_links_to ($self) for values %cf::MAP;
2107	$self->in_memory (cf::MAP_SWAPPED);	2382	$self->in_memory (cf::MAP_SWAPPED);
		2383
		2384	# then atomically save
		2385	$self->_save;
		2386
		2387	# then free the map
		2388	$self->clear;
		2389	}
		2390
		2391	sub reset_at {
		2392	my ($self) = @_;
		2393
		2394	# TODO: safety, remove and allow resettable per-player maps
		2395	return 1e99 if $self->{deny_reset};
		2396
		2397	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2398	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2399
		2400	$time + $to
		2401	}
		2402
		2403	sub should_reset {
		2404	my ($self) = @_;
		2405
		2406	$self->reset_at <= $cf::RUNTIME
		2407	}
		2408
		2409	sub reset {
		2410	my ($self) = @_;
		2411
		2412	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2413
		2414	return if $self->players;
		2415
		2416	cf::trace "resetting map ", $self->path, "\n";
		2417
		2418	$self->in_memory (cf::MAP_SWAPPED);
		2419
		2420	# need to save uniques path
		2421	unless ($self->{deny_save}) {
		2422	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2423
		2424	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2425	if $uniq;
		2426	}
		2427
		2428	delete $cf::MAP{$self->path};
2108		2429
2109	$self->deactivate;	2430	$self->deactivate;
2110	$_->clear_links_to ($self) for values %cf::MAP;	2431	$_->clear_links_to ($self) for values %cf::MAP;
2111	$self->clear;	2432	$self->clear;
2112	}
2113
2114	sub reset_at {
2115	my ($self) = @_;
2116
2117	# TODO: safety, remove and allow resettable per-player maps
2118	return 1e99 if $self->{deny_reset};
2119
2120	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2121	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2122
2123	$time + $to
2124	}
2125
2126	sub should_reset {
2127	my ($self) = @_;
2128
2129	$self->reset_at <= $cf::RUNTIME
2130	}
2131
2132	sub reset {
2133	my ($self) = @_;
2134
2135	my $lock = cf::lock_acquire "map_data:$self->{path}";
2136
2137	return if $self->players;
2138
2139	warn "resetting map ", $self->path;
2140
2141	$self->in_memory (cf::MAP_SWAPPED);
2142
2143	# need to save uniques path
2144	unless ($self->{deny_save}) {
2145	my $uniq = $self->uniq_path; utf8::encode $uniq;
2146
2147	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2148	if $uniq;
2149	}
2150
2151	delete $cf::MAP{$self->path};
2152
2153	$self->deactivate;
2154	$_->clear_links_to ($self) for values %cf::MAP;
2155	$self->clear;
2156		2433
2157	$self->unlink_save;	2434	$self->unlink_save;
2158	$self->destroy;	2435	$self->destroy;
2159	}	2436	}
2160		2437
…		…
2168		2445
2169	delete $cf::MAP{$self->path};	2446	delete $cf::MAP{$self->path};
2170		2447
2171	$self->unlink_save;	2448	$self->unlink_save;
2172		2449
2173	bless $self, "cf::map";	2450	bless $self, "cf::map::wrap";
2174	delete $self->{deny_reset};	2451	delete $self->{deny_reset};
2175	$self->{deny_save} = 1;	2452	$self->{deny_save} = 1;
2176	$self->reset_timeout (1);	2453	$self->reset_timeout (1);
2177	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2454	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2178		2455
…		…
2227		2504
2228	sub unique_maps() {	2505	sub unique_maps() {
2229	[	2506	[
2230	map {	2507	map {
2231	utf8::decode $_;	2508	utf8::decode $_;
2232	/\.map$/	2509	s/\.map$//; # TODO future compatibility hack
		2510	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2511	? ()
2233	? normalise $_	2512	: normalise $_
2234	: ()
2235	} @{ aio_readdir $UNIQUEDIR or [] }	2513	} @{ aio_readdir $UNIQUEDIR or [] }
2236	]	2514	]
2237	}	2515	}
2238		2516
2239	package cf;	2517	=item cf::map::static_maps
		2518
		2519	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2520	file in the shared directory excluding F</styles> and F</editor>). May
		2521	block.
		2522
		2523	=cut
		2524
		2525	sub static_maps() {
		2526	my @dirs = "";
		2527	my @maps;
		2528
		2529	while (@dirs) {
		2530	my $dir = shift @dirs;
		2531
		2532	next if $dir eq "/styles" || $dir eq "/editor";
		2533
		2534	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2535	or return;
		2536
		2537	for (@$files) {
		2538	s/\.map$// or next;
		2539	utf8::decode $_;
		2540	push @maps, "$dir/$_";
		2541	}
		2542
		2543	push @dirs, map "$dir/$_", @$dirs;
		2544	}
		2545
		2546	\@maps
		2547	}
2240		2548
2241	=back	2549	=back
2242		2550
2243	=head3 cf::object	2551	=head3 cf::object
2244		2552
…		…
2248		2556
2249	=over 4	2557	=over 4
2250		2558
2251	=item $ob->inv_recursive	2559	=item $ob->inv_recursive
2252		2560
2253	Returns the inventory of the object _and_ their inventories, recursively.	2561	Returns the inventory of the object I<and> their inventories, recursively,
		2562	but I<not> the object itself.
2254		2563
2255	=cut	2564	=cut
2256		2565
2257	sub inv_recursive_;	2566	sub inv_recursive_;
2258	sub inv_recursive_ {	2567	sub inv_recursive_ {
…		…
2263	inv_recursive_ inv $_[0]	2572	inv_recursive_ inv $_[0]
2264	}	2573	}
2265		2574
2266	=item $ref = $ob->ref	2575	=item $ref = $ob->ref
2267		2576
2268	creates and returns a persistent reference to an objetc that can be stored as a string.	2577	Creates and returns a persistent reference to an object that can be stored as a string.
2269		2578
2270	=item $ob = cf::object::deref ($refstring)	2579	=item $ob = cf::object::deref ($refstring)
2271		2580
2272	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2581	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2273	even if the object actually exists. May block.	2582	even if the object actually exists. May block.
…		…
2305	can be C<undef>. Does the right thing when the player is currently in a	2614	can be C<undef>. Does the right thing when the player is currently in a
2306	dialogue with the given NPC character.	2615	dialogue with the given NPC character.
2307		2616
2308	=cut	2617	=cut
2309		2618
		2619	our $SAY_CHANNEL = {
		2620	id => "say",
		2621	title => "Map",
		2622	reply => "say ",
		2623	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2624	};
		2625
		2626	our $CHAT_CHANNEL = {
		2627	id => "chat",
		2628	title => "Chat",
		2629	reply => "chat ",
		2630	tooltip => "Player chat and shouts, global to the server.",
		2631	};
		2632
2310	# rough implementation of a future "reply" method that works	2633	# rough implementation of a future "reply" method that works
2311	# with dialog boxes.	2634	# with dialog boxes.
2312	#TODO: the first argument must go, split into a $npc->reply_to ( method	2635	#TODO: the first argument must go, split into a $npc->reply_to ( method
2313	sub cf::object::player::reply($$$;$) {	2636	sub cf::object::player::reply($$$;$) {
2314	my ($self, $npc, $msg, $flags) = @_;	2637	my ($self, $npc, $msg, $flags) = @_;
…		…
2325	my $dialog = $pl->{npc_dialog};	2648	my $dialog = $pl->{npc_dialog};
2326	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2649	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2327		2650
2328	} else {	2651	} else {
2329	$msg = $npc->name . " says: $msg" if $npc;	2652	$msg = $npc->name . " says: $msg" if $npc;
2330	$self->message ($msg, $flags);	2653	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2331	}	2654	}
2332	}	2655	}
2333	}	2656	}
2334		2657
2335	=item $object->send_msg ($channel, $msg, $color, [extra...])	2658	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2360		2683
2361	=item $player_object->enter_link	2684	=item $player_object->enter_link
2362		2685
2363	Freezes the player and moves him/her to a special map (C<{link}>).	2686	Freezes the player and moves him/her to a special map (C<{link}>).
2364		2687
2365	The player should be reasonably safe there for short amounts of time. You	2688	The player should be reasonably safe there for short amounts of time (e.g.
2366	I<MUST> call C<leave_link> as soon as possible, though.	2689	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2690	though, as the player cannot control the character while it is on the link
		2691	map.
2367		2692
2368	Will never block.	2693	Will never block.
2369		2694
2370	=item $player_object->leave_link ($map, $x, $y)	2695	=item $player_object->leave_link ($map, $x, $y)
2371		2696
…		…
2391	sub cf::object::player::enter_link {	2716	sub cf::object::player::enter_link {
2392	my ($self) = @_;	2717	my ($self) = @_;
2393		2718
2394	$self->deactivate_recursive;	2719	$self->deactivate_recursive;
2395		2720
		2721	++$self->{_link_recursion};
		2722
2396	return if UNIVERSAL::isa $self->map, "ext::map_link";	2723	return if UNIVERSAL::isa $self->map, "ext::map_link";
2397		2724
2398	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2725	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2399	if $self->map && $self->map->{path} ne "{link}";	2726	if $self->map && $self->map->{path} ne "{link}";
2400		2727
2401	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2728	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2402	}	2729	}
2403		2730
2404	sub cf::object::player::leave_link {	2731	sub cf::object::player::leave_link {
2405	my ($self, $map, $x, $y) = @_;	2732	my ($self, $map, $x, $y) = @_;
2406		2733
…		…
2423	($x, $y) = (-1, -1)	2750	($x, $y) = (-1, -1)
2424	unless (defined $x) && (defined $y);	2751	unless (defined $x) && (defined $y);
2425		2752
2426	# use -1 or undef as default coordinates, not 0, 0	2753	# use -1 or undef as default coordinates, not 0, 0
2427	($x, $y) = ($map->enter_x, $map->enter_y)	2754	($x, $y) = ($map->enter_x, $map->enter_y)
2428	if $x <=0 && $y <= 0;	2755	if $x <= 0 && $y <= 0;
2429		2756
2430	$map->load;	2757	$map->load;
2431	$map->load_neighbours;	2758	$map->load_neighbours;
2432		2759
2433	return unless $self->contr->active;	2760	return unless $self->contr->active;
2434	$self->activate_recursive;
2435		2761
2436	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2762	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2437	$self->enter_map ($map, $x, $y);	2763	if ($self->enter_map ($map, $x, $y)) {
2438	}	2764	# entering was successful
		2765	delete $self->{_link_recursion};
		2766	# only activate afterwards, to support waiting in hooks
		2767	$self->activate_recursive;
		2768	}
2439		2769
		2770	}
		2771
2440	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2772	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2441		2773
2442	Moves the player to the given map-path and coordinates by first freezing	2774	Moves the player to the given map-path and coordinates by first freezing
2443	her, loading and preparing them map, calling the provided $check callback	2775	her, loading and preparing them map, calling the provided $check callback
2444	that has to return the map if sucecssful, and then unfreezes the player on	2776	that has to return the map if sucecssful, and then unfreezes the player on
2445	the new (success) or old (failed) map position. In either case, $done will	2777	the new (success) or old (failed) map position. In either case, $done will
2446	be called at the end of this process.	2778	be called at the end of this process.
2447		2779
		2780	Note that $check will be called with a potentially non-loaded map, so if
		2781	it needs a loaded map it has to call C<< ->load >>.
		2782
2448	=cut	2783	=cut
2449		2784
2450	our $GOTOGEN;	2785	our $GOTOGEN;
2451		2786
2452	sub cf::object::player::goto {	2787	sub cf::object::player::goto {
2453	my ($self, $path, $x, $y, $check, $done) = @_;	2788	my ($self, $path, $x, $y, $check, $done) = @_;
		2789
		2790	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2791	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2792	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2793	($path, $x, $y) = @$EMERGENCY_POSITION;
		2794	}
2454		2795
2455	# do generation counting so two concurrent goto's will be executed in-order	2796	# do generation counting so two concurrent goto's will be executed in-order
2456	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2797	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2457		2798
2458	$self->enter_link;	2799	$self->enter_link;
…		…
2478	($path, $x, $y) = (undef, undef, undef);	2819	($path, $x, $y) = (undef, undef, undef);
2479	}	2820	}
2480	}	2821	}
2481		2822
2482	my $map = eval {	2823	my $map = eval {
2483	my $map = defined $path ? cf::map::find $path : undef;	2824	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2484		2825
2485	if ($map) {	2826	if ($map) {
2486	$map = $map->customise_for ($self);	2827	$map = $map->customise_for ($self);
2487	$map = $check->($map) if $check && $map;	2828	$map = $check->($map, $x, $y, $self) if $check && $map;
2488	} else {	2829	} else {
2489	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2830	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2490	}	2831	}
2491		2832
2492	$map	2833	$map
…		…
2500	if ($gen == $self->{_goto_generation}) {	2841	if ($gen == $self->{_goto_generation}) {
2501	delete $self->{_goto_generation};	2842	delete $self->{_goto_generation};
2502	$self->leave_link ($map, $x, $y);	2843	$self->leave_link ($map, $x, $y);
2503	}	2844	}
2504		2845
2505	$done->() if $done;	2846	$done->($self) if $done;
2506	})->prio (1);	2847	})->prio (1);
2507	}	2848	}
2508		2849
2509	=item $player_object->enter_exit ($exit_object)	2850	=item $player_object->enter_exit ($exit_object)
2510		2851
…		…
2530	}	2871	}
2531		2872
2532	sub prepare_random_map {	2873	sub prepare_random_map {
2533	my ($exit) = @_;	2874	my ($exit) = @_;
2534		2875
2535	my $guard = cf::lock_acquire "exit_prepare:$exit";
2536
2537	# all this does is basically replace the /! path by	2876	# all this does is basically replace the /! path by
2538	# a new random map path (?random/...) with a seed	2877	# a new random map path (?random/...) with a seed
2539	# that depends on the exit object	2878	# that depends on the exit object
2540		2879
2541	my $rmp = parse_random_map_params $exit->msg;	2880	my $rmp = parse_random_map_params $exit->msg;
…		…
2543	if ($exit->map) {	2882	if ($exit->map) {
2544	$rmp->{region} = $exit->region->name;	2883	$rmp->{region} = $exit->region->name;
2545	$rmp->{origin_map} = $exit->map->path;	2884	$rmp->{origin_map} = $exit->map->path;
2546	$rmp->{origin_x} = $exit->x;	2885	$rmp->{origin_x} = $exit->x;
2547	$rmp->{origin_y} = $exit->y;	2886	$rmp->{origin_y} = $exit->y;
		2887
		2888	$exit->map->touch;
2548	}	2889	}
2549		2890
2550	$rmp->{random_seed} ||= $exit->random_seed;	2891	$rmp->{random_seed} ||= $exit->random_seed;
2551		2892
2552	my $data = cf::to_json $rmp;	2893	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2553	my $md5 = Digest::MD5::md5_hex $data;	2894	my $md5 = Digest::MD5::md5_hex $data;
2554	my $meta = "$RANDOMDIR/$md5.meta";	2895	my $meta = "$RANDOMDIR/$md5.meta";
2555		2896
2556	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2897	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2557	aio_write $fh, 0, (length $data), $data, 0;	2898	aio_write $fh, 0, (length $data), $data, 0;
2558	undef $fh;	2899	undef $fh;
2559	aio_rename "$meta~", $meta;	2900	aio_rename "$meta~", $meta;
2560		2901
		2902	my $slaying = "?random/$md5";
		2903
		2904	if ($exit->valid) {
2561	$exit->slaying ("?random/$md5");	2905	$exit->slaying ("?random/$md5");
2562	$exit->msg (undef);	2906	$exit->msg (undef);
		2907	}
2563	}	2908	}
2564	}	2909	}
2565		2910
2566	sub cf::object::player::enter_exit {	2911	sub cf::object::player::enter_exit {
2567	my ($self, $exit) = @_;	2912	my ($self, $exit) = @_;
2568		2913
2569	return unless $self->type == cf::PLAYER;	2914	return unless $self->type == cf::PLAYER;
2570		2915
2571	if ($exit->slaying eq "/!") {
2572	#TODO: this should de-fi-ni-te-ly not be a sync-job
2573	# the problem is that $exit might not survive long enough
2574	# so it needs to be done right now, right here
2575	cf::sync_job { prepare_random_map $exit };
2576	}
2577
2578	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2579	my $hp = $exit->stats->hp;
2580	my $sp = $exit->stats->sp;
2581
2582	$self->enter_link;	2916	$self->enter_link;
2583		2917
2584	# if exit is damned, update players death & WoR home-position
2585	$self->contr->savebed ($slaying, $hp, $sp)
2586	if $exit->flag (FLAG_DAMNED);
2587
2588	(async {	2918	(async {
2589	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2919	$Coro::current->{desc} = "enter_exit";
2590		2920
2591	$self->deactivate_recursive; # just to be sure
2592	unless (eval {	2921	unless (eval {
		2922	$self->deactivate_recursive; # just to be sure
		2923
		2924	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2925	my $x = $exit->stats->hp;
		2926	my $y = $exit->stats->sp;
		2927
		2928	# special map handling
		2929	my $slaying = $exit->slaying;
		2930
		2931	# special map handling
		2932	if ($slaying eq "/!") {
		2933	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2934
		2935	prepare_random_map $exit
		2936	if $slaying eq "/!"; # need to re-check after getting the lock
		2937
		2938	} elsif ($slaying eq '!up') {
		2939	$map = $exit->map->tile_path (cf::TILE_UP);
		2940	$x = $exit->x;
		2941	$y = $exit->y;
		2942
		2943	} elsif ($slaying eq '!down') {
		2944	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2945	$x = $exit->x;
		2946	$y = $exit->y;
		2947	}
		2948
2593	$self->goto ($slaying, $hp, $sp);	2949	$self->goto ($map, $x, $y);
2594		2950
		2951	# if exit is damned, update players death & WoR home-position
		2952	$self->contr->savebed ($map, $x, $y)
		2953	if $exit->flag (cf::FLAG_DAMNED);
		2954
2595	1;	2955	1
2596	}) {	2956	}) {
2597	$self->message ("Something went wrong deep within the crossfire server. "	2957	$self->message ("Something went wrong deep within the deliantra server. "
2598	. "I'll try to bring you back to the map you were before. "	2958	. "I'll try to bring you back to the map you were before. "
2599	. "Please report this to the dungeon master!",	2959	. "Please report this to the dungeon master!",
2600	cf::NDI_UNIQUE | cf::NDI_RED);	2960	cf::NDI_UNIQUE | cf::NDI_RED);
2601		2961
2602	warn "ERROR in enter_exit: $@";	2962	error "ERROR in enter_exit: $@";
2603	$self->leave_link;	2963	$self->leave_link;
2604	}	2964	}
2605	})->prio (1);	2965	})->prio (1);
2606	}	2966	}
2607		2967
…		…
2619	sub cf::client::send_drawinfo {	2979	sub cf::client::send_drawinfo {
2620	my ($self, $text, $flags) = @_;	2980	my ($self, $text, $flags) = @_;
2621		2981
2622	utf8::encode $text;	2982	utf8::encode $text;
2623	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2983	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2984	}
		2985
		2986	=item $client->send_big_packet ($pkt)
		2987
		2988	Like C<send_packet>, but tries to compress large packets, and fragments
		2989	them as required.
		2990
		2991	=cut
		2992
		2993	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2994
		2995	sub cf::client::send_big_packet {
		2996	my ($self, $pkt) = @_;
		2997
		2998	# try lzf for large packets
		2999	$pkt = "lzf " . Compress::LZF::compress $pkt
		3000	if 1024 <= length $pkt and $self->{can_lzf};
		3001
		3002	# split very large packets
		3003	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3004	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3005	$pkt = "frag";
		3006	}
		3007
		3008	$self->send_packet ($pkt);
2624	}	3009	}
2625		3010
2626	=item $client->send_msg ($channel, $msg, $color, [extra...])	3011	=item $client->send_msg ($channel, $msg, $color, [extra...])
2627		3012
2628	Send a drawinfo or msg packet to the client, formatting the msg for the	3013	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2630	the message, with C<log> being the default. If C<$color> is negative, suppress	3015	the message, with C<log> being the default. If C<$color> is negative, suppress
2631	the message unless the client supports the msg packet.	3016	the message unless the client supports the msg packet.
2632		3017
2633	=cut	3018	=cut
2634		3019
		3020	# non-persistent channels (usually the info channel)
2635	our %CHANNEL = (	3021	our %CHANNEL = (
		3022	"c/motd" => {
		3023	id => "infobox",
		3024	title => "MOTD",
		3025	reply => undef,
		3026	tooltip => "The message of the day",
		3027	},
2636	"c/identify" => {	3028	"c/identify" => {
2637	id => "infobox",	3029	id => "infobox",
2638	title => "Identify",	3030	title => "Identify",
2639	reply => undef,	3031	reply => undef,
2640	tooltip => "Items recently identified",	3032	tooltip => "Items recently identified",
…		…
2643	id => "infobox",	3035	id => "infobox",
2644	title => "Examine",	3036	title => "Examine",
2645	reply => undef,	3037	reply => undef,
2646	tooltip => "Signs and other items you examined",	3038	tooltip => "Signs and other items you examined",
2647	},	3039	},
		3040	"c/shopinfo" => {
		3041	id => "infobox",
		3042	title => "Shop Info",
		3043	reply => undef,
		3044	tooltip => "What your bargaining skill tells you about the shop",
		3045	},
		3046	"c/book" => {
		3047	id => "infobox",
		3048	title => "Book",
		3049	reply => undef,
		3050	tooltip => "The contents of a note or book",
		3051	},
2648	"c/lookat" => {	3052	"c/lookat" => {
2649	id => "infobox",	3053	id => "infobox",
2650	title => "Look",	3054	title => "Look",
2651	reply => undef,	3055	reply => undef,
2652	tooltip => "What you saw there",	3056	tooltip => "What you saw there",
2653	},	3057	},
		3058	"c/who" => {
		3059	id => "infobox",
		3060	title => "Players",
		3061	reply => undef,
		3062	tooltip => "Shows players who are currently online",
		3063	},
		3064	"c/body" => {
		3065	id => "infobox",
		3066	title => "Body Parts",
		3067	reply => undef,
		3068	tooltip => "Shows which body parts you posess and are available",
		3069	},
		3070	"c/statistics" => {
		3071	id => "infobox",
		3072	title => "Statistics",
		3073	reply => undef,
		3074	tooltip => "Shows your primary statistics",
		3075	},
		3076	"c/skills" => {
		3077	id => "infobox",
		3078	title => "Skills",
		3079	reply => undef,
		3080	tooltip => "Shows your experience per skill and item power",
		3081	},
		3082	"c/shopitems" => {
		3083	id => "infobox",
		3084	title => "Shop Items",
		3085	reply => undef,
		3086	tooltip => "Shows the items currently for sale in this shop",
		3087	},
		3088	"c/resistances" => {
		3089	id => "infobox",
		3090	title => "Resistances",
		3091	reply => undef,
		3092	tooltip => "Shows your resistances",
		3093	},
		3094	"c/pets" => {
		3095	id => "infobox",
		3096	title => "Pets",
		3097	reply => undef,
		3098	tooltip => "Shows information abotu your pets/a specific pet",
		3099	},
		3100	"c/perceiveself" => {
		3101	id => "infobox",
		3102	title => "Perceive Self",
		3103	reply => undef,
		3104	tooltip => "You gained detailed knowledge about yourself",
		3105	},
		3106	"c/uptime" => {
		3107	id => "infobox",
		3108	title => "Uptime",
		3109	reply => undef,
		3110	tooltip => "How long the server has been running since last restart",
		3111	},
		3112	"c/mapinfo" => {
		3113	id => "infobox",
		3114	title => "Map Info",
		3115	reply => undef,
		3116	tooltip => "Information related to the maps",
		3117	},
		3118	"c/party" => {
		3119	id => "party",
		3120	title => "Party",
		3121	reply => "gsay ",
		3122	tooltip => "Messages and chat related to your party",
		3123	},
		3124	"c/death" => {
		3125	id => "death",
		3126	title => "Death",
		3127	reply => undef,
		3128	tooltip => "Reason for and more info about your most recent death",
		3129	},
		3130	"c/say" => $SAY_CHANNEL,
		3131	"c/chat" => $CHAT_CHANNEL,
2654	);	3132	);
2655		3133
2656	sub cf::client::send_msg {	3134	sub cf::client::send_msg {
2657	my ($self, $channel, $msg, $color, @extra) = @_;	3135	my ($self, $channel, $msg, $color, @extra) = @_;
2658		3136
2659	$msg = $self->pl->expand_cfpod ($msg);	3137	$msg = $self->pl->expand_cfpod ($msg)
		3138	unless $color & cf::NDI_VERBATIM;
2660		3139
2661	$color &= cf::NDI_CLIENT_MASK; # just in case...	3140	$color &= cf::NDI_CLIENT_MASK; # just in case...
2662		3141
2663	# check predefined channels, for the benefit of C	3142	# check predefined channels, for the benefit of C
2664	if ($CHANNEL{$channel}) {	3143	if ($CHANNEL{$channel}) {
2665	$channel = $CHANNEL{$channel};	3144	$channel = $CHANNEL{$channel};
2666		3145
2667	$self->ext_msg (channel_info => $channel)	3146	$self->ext_msg (channel_info => $channel);
2668	if $self->can_msg;
2669
2670	$channel = $channel->{id};	3147	$channel = $channel->{id};
2671		3148
2672	} elsif (ref $channel) {	3149	} elsif (ref $channel) {
2673	# send meta info to client, if not yet sent	3150	# send meta info to client, if not yet sent
2674	unless (exists $self->{channel}{$channel->{id}}) {	3151	unless (exists $self->{channel}{$channel->{id}}) {
2675	$self->{channel}{$channel->{id}} = $channel;	3152	$self->{channel}{$channel->{id}} = $channel;
2676	$self->ext_msg (channel_info => $channel)	3153	$self->ext_msg (channel_info => $channel);
2677	if $self->can_msg;
2678	}	3154	}
2679		3155
2680	$channel = $channel->{id};	3156	$channel = $channel->{id};
2681	}	3157	}
2682		3158
2683	return unless @extra || length $msg;	3159	return unless @extra || length $msg;
2684		3160
2685	if ($self->can_msg) {
2686	# default colour, mask it out	3161	# default colour, mask it out
2687	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3162	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2688	if $color & cf::NDI_DEF;	3163	if $color & cf::NDI_DEF;
2689		3164
2690	$self->send_packet ("msg " . $self->{json_coder}->encode (	3165	my $pkt = "msg "
		3166	. $self->{json_coder}->encode (
2691	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3167	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2692	} else {	3168	);
2693	if ($color >= 0) {
2694	# replace some tags by gcfclient-compatible ones
2695	for ($msg) {
2696	1 while
2697	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2698	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2699	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2700	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2701	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2702	}
2703		3169
2704	$color &= cf::NDI_COLOR_MASK;	3170	$self->send_big_packet ($pkt);
2705
2706	utf8::encode $msg;
2707
2708	if (0 && $msg =~ /\[/) {
2709	# COMMAND/INFO
2710	$self->send_packet ("drawextinfo $color 10 8 $msg")
2711	} else {
2712	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2713	$self->send_packet ("drawinfo $color $msg")
2714	}
2715	}
2716	}
2717	}	3171	}
2718		3172
2719	=item $client->ext_msg ($type, @msg)	3173	=item $client->ext_msg ($type, @msg)
2720		3174
2721	Sends an ext event to the client.	3175	Sends an ext event to the client.
…		…
2724		3178
2725	sub cf::client::ext_msg($$@) {	3179	sub cf::client::ext_msg($$@) {
2726	my ($self, $type, @msg) = @_;	3180	my ($self, $type, @msg) = @_;
2727		3181
2728	if ($self->extcmd == 2) {	3182	if ($self->extcmd == 2) {
2729	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3183	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2730	} elsif ($self->extcmd == 1) { # TODO: remove	3184	} elsif ($self->extcmd == 1) { # TODO: remove
2731	push @msg, msgtype => "event_$type";	3185	push @msg, msgtype => "event_$type";
2732	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3186	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2733	}	3187	}
2734	}	3188	}
2735		3189
2736	=item $client->ext_reply ($msgid, @msg)	3190	=item $client->ext_reply ($msgid, @msg)
2737		3191
…		…
2741		3195
2742	sub cf::client::ext_reply($$@) {	3196	sub cf::client::ext_reply($$@) {
2743	my ($self, $id, @msg) = @_;	3197	my ($self, $id, @msg) = @_;
2744		3198
2745	if ($self->extcmd == 2) {	3199	if ($self->extcmd == 2) {
2746	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3200	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2747	} elsif ($self->extcmd == 1) {	3201	} elsif ($self->extcmd == 1) {
2748	#TODO: version 1, remove	3202	#TODO: version 1, remove
2749	unshift @msg, msgtype => "reply", msgid => $id;	3203	unshift @msg, msgtype => "reply", msgid => $id;
2750	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3204	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2751	}	3205	}
2752	}	3206	}
2753		3207
2754	=item $success = $client->query ($flags, "text", \&cb)	3208	=item $success = $client->query ($flags, "text", \&cb)
2755		3209
…		…
2826		3280
2827	$ns->ext_reply ($reply, @reply)	3281	$ns->ext_reply ($reply, @reply)
2828	if $reply;	3282	if $reply;
2829		3283
2830	} else {	3284	} else {
2831	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3285	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2832	}	3286	}
2833		3287
2834	cf::override;	3288	cf::override;
2835	},	3289	},
2836	);	3290	);
…		…
2856		3310
2857	$coro	3311	$coro
2858	}	3312	}
2859		3313
2860	cf::client->attach (	3314	cf::client->attach (
2861	on_destroy => sub {	3315	on_client_destroy => sub {
2862	my ($ns) = @_;	3316	my ($ns) = @_;
2863		3317
2864	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3318	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2865	},	3319	},
2866	);	3320	);
…		…
2882	our $safe_hole = new Safe::Hole;	3336	our $safe_hole = new Safe::Hole;
2883		3337
2884	$SIG{FPE} = 'IGNORE';	3338	$SIG{FPE} = 'IGNORE';
2885		3339
2886	$safe->permit_only (Opcode::opset qw(	3340	$safe->permit_only (Opcode::opset qw(
2887	:base_core :base_mem :base_orig :base_math	3341	:base_core :base_mem :base_orig :base_math :base_loop
2888	grepstart grepwhile mapstart mapwhile	3342	grepstart grepwhile mapstart mapwhile
2889	sort time	3343	sort time
2890	));	3344	));
2891		3345
2892	# here we export the classes and methods available to script code	3346	# here we export the classes and methods available to script code
…		…
2894	=pod	3348	=pod
2895		3349
2896	The following functions and methods are available within a safe environment:	3350	The following functions and methods are available within a safe environment:
2897		3351
2898	cf::object	3352	cf::object
2899	contr pay_amount pay_player map x y force_find force_add	3353	contr pay_amount pay_player map x y force_find force_add destroy
2900	insert remove name archname title slaying race decrease_ob_nr	3354	insert remove name archname title slaying race decrease split
		3355	value
2901		3356
2902	cf::object::player	3357	cf::object::player
2903	player	3358	player
2904		3359
2905	cf::player	3360	cf::player
…		…
2910		3365
2911	=cut	3366	=cut
2912		3367
2913	for (	3368	for (
2914	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3369	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2915	insert remove inv name archname title slaying race	3370	insert remove inv nrof name archname title slaying race
2916	decrease_ob_nr)],	3371	decrease split destroy change_exp value msg lore send_msg)],
2917	["cf::object::player" => qw(player)],	3372	["cf::object::player" => qw(player)],
2918	["cf::player" => qw(peaceful)],	3373	["cf::player" => qw(peaceful send_msg)],
2919	["cf::map" => qw(trigger)],	3374	["cf::map" => qw(trigger)],
2920	) {	3375	) {
2921	no strict 'refs';
2922	my ($pkg, @funs) = @$_;	3376	my ($pkg, @funs) = @$_;
2923	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3377	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2924	for @funs;	3378	for @funs;
2925	}	3379	}
2926		3380
…		…
2941		3395
2942	my $qcode = $code;	3396	my $qcode = $code;
2943	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3397	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2944	$qcode =~ s/\n/\\n/g;	3398	$qcode =~ s/\n/\\n/g;
2945		3399
		3400	%vars = (_dummy => 0) unless %vars;
		3401
		3402	my @res;
2946	local $_;	3403	local $_;
2947	local @safe::cf::_safe_eval_args = values %vars;
2948		3404
2949	my $eval =	3405	my $eval =
2950	"do {\n"	3406	"do {\n"
2951	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3407	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2952	. "#line 0 \"{$qcode}\"\n"	3408	. "#line 0 \"{$qcode}\"\n"
2953	. $code	3409	. $code
2954	. "\n}"	3410	. "\n}"
2955	;	3411	;
2956		3412
		3413	if ($CFG{safe_eval}) {
2957	sub_generation_inc;	3414	sub_generation_inc;
		3415	local @safe::cf::_safe_eval_args = values %vars;
2958	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3416	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2959	sub_generation_inc;	3417	sub_generation_inc;
		3418	} else {
		3419	local @cf::_safe_eval_args = values %vars;
		3420	@res = wantarray ? eval eval : scalar eval $eval;
		3421	}
2960		3422
2961	if ($@) {	3423	if ($@) {
2962	warn "$@";	3424	warn "$@",
2963	warn "while executing safe code '$code'\n";	3425	"while executing safe code '$code'\n",
2964	warn "with arguments " . (join " ", %vars) . "\n";	3426	"with arguments " . (join " ", %vars) . "\n";
2965	}	3427	}
2966		3428
2967	wantarray ? @res : $res[0]	3429	wantarray ? @res : $res[0]
2968	}	3430	}
2969		3431
…		…
2983	=cut	3445	=cut
2984		3446
2985	sub register_script_function {	3447	sub register_script_function {
2986	my ($fun, $cb) = @_;	3448	my ($fun, $cb) = @_;
2987		3449
2988	no strict 'refs';	3450	$fun = "safe::$fun" if $CFG{safe_eval};
2989	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3451	*$fun = $safe_hole->wrap ($cb);
2990	}	3452	}
2991		3453
2992	=back	3454	=back
2993		3455
2994	=cut	3456	=cut
…		…
3003	# for this (global event?)	3465	# for this (global event?)
3004	%ext::player_env::MUSIC_FACE_CACHE = ();	3466	%ext::player_env::MUSIC_FACE_CACHE = ();
3005		3467
3006	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3468	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3007		3469
3008	warn "loading facedata from $path\n";	3470	trace "loading facedata from $path\n";
3009		3471
3010	my $facedata;	3472	my $facedata = decode_storable load_file $path;
3011	0 < aio_load $path, $facedata
3012	or die "$path: $!";
3013
3014	$facedata = Coro::Storable::thaw $facedata;
3015		3473
3016	$facedata->{version} == 2	3474	$facedata->{version} == 2
3017	or cf::cleanup "$path: version mismatch, cannot proceed.";	3475	or cf::cleanup "$path: version mismatch, cannot proceed.";
3018		3476
3019	# patch in the exptable	3477	# patch in the exptable
		3478	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3020	$facedata->{resource}{"res/exp_table"} = {	3479	$facedata->{resource}{"res/exp_table"} = {
3021	type => FT_RSRC,	3480	type => FT_RSRC,
3022	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3481	data => $exp_table,
		3482	hash => (Digest::MD5::md5 $exp_table),
3023	};	3483	};
3024	cf::cede_to_tick;	3484	cf::cede_to_tick;
3025		3485
3026	{	3486	{
3027	my $faces = $facedata->{faceinfo};	3487	my $faces = $facedata->{faceinfo};
3028		3488
3029	while (my ($face, $info) = each %$faces) {	3489	while (my ($face, $info) = each %$faces) {
3030	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3490	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3491
3031	cf::face::set_visibility $idx, $info->{visibility};	3492	cf::face::set_visibility $idx, $info->{visibility};
3032	cf::face::set_magicmap $idx, $info->{magicmap};	3493	cf::face::set_magicmap $idx, $info->{magicmap};
3033	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3494	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3034	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3495	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3496	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
3035		3497
3036	cf::cede_to_tick;	3498	cf::cede_to_tick;
3037	}	3499	}
3038		3500
3039	while (my ($face, $info) = each %$faces) {	3501	while (my ($face, $info) = each %$faces) {
3040	next unless $info->{smooth};	3502	next unless $info->{smooth};
		3503
3041	my $idx = cf::face::find $face	3504	my $idx = cf::face::find $face
3042	or next;	3505	or next;
		3506
3043	if (my $smooth = cf::face::find $info->{smooth}) {	3507	if (my $smooth = cf::face::find $info->{smooth}) {
3044	cf::face::set_smooth $idx, $smooth;	3508	cf::face::set_smooth $idx, $smooth;
3045	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3509	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3046	} else {	3510	} else {
3047	warn "smooth face '$info->{smooth}' not found for face '$face'";	3511	error "smooth face '$info->{smooth}' not found for face '$face'";
3048	}	3512	}
3049		3513
3050	cf::cede_to_tick;	3514	cf::cede_to_tick;
3051	}	3515	}
3052	}	3516	}
…		…
3061		3525
3062	cf::anim::invalidate_all; # d'oh	3526	cf::anim::invalidate_all; # d'oh
3063	}	3527	}
3064		3528
3065	{	3529	{
3066	# TODO: for gcfclient pleasure, we should give resources
3067	# that gcfclient doesn't grok a >10000 face index.
3068	my $res = $facedata->{resource};	3530	my $res = $facedata->{resource};
3069		3531
3070	my $soundconf = delete $res->{"res/sound.conf"};
3071
3072	while (my ($name, $info) = each %$res) {	3532	while (my ($name, $info) = each %$res) {
		3533	if (defined $info->{type}) {
3073	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3534	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3074	my $data;
3075		3535
3076	if ($info->{type} & 1) {	3536	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3077	# prepend meta info	3537	cf::face::set_type $idx, $info->{type};
3078
3079	my $meta = $enc->encode ({
3080	name => $name,
3081	%{ $info->{meta} || {} },
3082	});
3083
3084	$data = pack "(w/a*)*", $meta, $info->{data};
3085	} else {	3538	} else {
3086	$data = $info->{data};	3539	$RESOURCE{$name} = $info; # unused
3087	}	3540	}
3088		3541
3089	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3090	cf::face::set_type $idx, $info->{type};
3091
3092	cf::cede_to_tick;	3542	cf::cede_to_tick;
3093	}	3543	}
3094
3095	if ($soundconf) {
3096	$soundconf = $enc->decode (delete $soundconf->{data});
3097
3098	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3099	my $sound = $soundconf->{compat}[$_]
3100	or next;
3101
3102	my $face = cf::face::find "sound/$sound->[1]";
3103	cf::sound::set $sound->[0] => $face;
3104	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3105	}
3106
3107	while (my ($k, $v) = each %{$soundconf->{event}}) {
3108	my $face = cf::face::find "sound/$v";
3109	cf::sound::set $k => $face;
3110	}
3111	}
3112	}	3544	}
		3545
		3546	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3113		3547
3114	1	3548	1
3115	}	3549	}
3116		3550
3117	register_exticmd fx_want => sub {	3551	register_exticmd fx_want => sub {
…		…
3119		3553
3120	while (my ($k, $v) = each %$want) {	3554	while (my ($k, $v) = each %$want) {
3121	$ns->fx_want ($k, $v);	3555	$ns->fx_want ($k, $v);
3122	}	3556	}
3123	};	3557	};
		3558
		3559	sub load_resource_file($) {
		3560	my $guard = lock_acquire "load_resource_file";
		3561
		3562	my $status = load_resource_file_ $_[0];
		3563	get_slot 0.1, 100;
		3564	cf::arch::commit_load;
		3565
		3566	$status
		3567	}
3124		3568
3125	sub reload_regions {	3569	sub reload_regions {
3126	# HACK to clear player env face cache, we need some signal framework	3570	# HACK to clear player env face cache, we need some signal framework
3127	# for this (global event?)	3571	# for this (global event?)
3128	%ext::player_env::MUSIC_FACE_CACHE = ();	3572	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3142	}	3586	}
3143		3587
3144	sub reload_archetypes {	3588	sub reload_archetypes {
3145	load_resource_file "$DATADIR/archetypes"	3589	load_resource_file "$DATADIR/archetypes"
3146	or die "unable to load archetypes\n";	3590	or die "unable to load archetypes\n";
3147	#d# NEED to laod twice to resolve forward references
3148	# this really needs to be done in an extra post-pass
3149	# (which needs to be synchronous, so solve it differently)
3150	load_resource_file "$DATADIR/archetypes"
3151	or die "unable to load archetypes\n";
3152	}	3591	}
3153		3592
3154	sub reload_treasures {	3593	sub reload_treasures {
3155	load_resource_file "$DATADIR/treasures"	3594	load_resource_file "$DATADIR/treasures"
3156	or die "unable to load treasurelists\n";	3595	or die "unable to load treasurelists\n";
3157	}	3596	}
3158		3597
		3598	sub reload_sound {
		3599	trace "loading sound config from $DATADIR/sound\n";
		3600
		3601	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3602
		3603	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3604	my $sound = $soundconf->{compat}[$_]
		3605	or next;
		3606
		3607	my $face = cf::face::find "sound/$sound->[1]";
		3608	cf::sound::set $sound->[0] => $face;
		3609	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3610	}
		3611
		3612	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3613	my $face = cf::face::find "sound/$v";
		3614	cf::sound::set $k => $face;
		3615	}
		3616	}
		3617
3159	sub reload_resources {	3618	sub reload_resources {
3160	warn "reloading resource files...\n";	3619	trace "reloading resource files...\n";
3161		3620
		3621	reload_exp_table;
		3622	reload_materials;
		3623	reload_facedata;
		3624	reload_sound;
		3625	reload_archetypes;
3162	reload_regions;	3626	reload_regions;
3163	reload_facedata;
3164	#reload_archetypes;#d#
3165	reload_archetypes;
3166	reload_treasures;	3627	reload_treasures;
3167		3628
3168	warn "finished reloading resource files\n";	3629	trace "finished reloading resource files\n";
3169	}
3170
3171	sub init {
3172	reload_resources;
3173	}	3630	}
3174		3631
3175	sub reload_config {	3632	sub reload_config {
3176	open my $fh, "<:utf8", "$CONFDIR/config"	3633	trace "reloading config file...\n";
3177	or return;
3178		3634
3179	local $/;	3635	my $config = load_file "$CONFDIR/config";
3180	*CFG = YAML::Syck::Load <$fh>;	3636	utf8::decode $config;
		3637	*CFG = decode_yaml $config;
3181		3638
3182	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3639	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3183		3640
3184	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3641	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3185	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3642	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3186		3643
3187	if (exists $CFG{mlockall}) {	3644	if (exists $CFG{mlockall}) {
…		…
3191	};	3648	};
3192	warn $@ if $@;	3649	warn $@ if $@;
3193	}	3650	}
3194	}	3651	}
3195		3652
		3653	sub pidfile() {
		3654	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3655	or die "$PIDFILE: $!";
		3656	flock $fh, &Fcntl::LOCK_EX
		3657	or die "$PIDFILE: flock: $!";
		3658	$fh
		3659	}
		3660
		3661	# make sure only one server instance is running at any one time
		3662	sub atomic {
		3663	my $fh = pidfile;
		3664
		3665	my $pid = <$fh>;
		3666	kill 9, $pid if $pid > 0;
		3667
		3668	seek $fh, 0, 0;
		3669	print $fh $$;
		3670	}
		3671
		3672	sub main_loop {
		3673	trace "EV::loop starting\n";
		3674	if (1) {
		3675	EV::loop;
		3676	}
		3677	trace "EV::loop returned\n";
		3678	goto &main_loop unless $REALLY_UNLOOP;
		3679	}
		3680
3196	sub main {	3681	sub main {
		3682	cf::init_globals; # initialise logging
		3683
		3684	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3685	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3686	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3687	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3688
		3689	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3690
3197	# we must not ever block the main coroutine	3691	# we must not ever block the main coroutine
3198	local $Coro::idle = sub {	3692	local $Coro::idle = sub {
3199	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3693	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3200	(async {	3694	(async {
3201	$Coro::current->{desc} = "IDLE BUG HANDLER";	3695	$Coro::current->{desc} = "IDLE BUG HANDLER";
3202	Event::one_event;	3696	EV::loop EV::LOOP_ONESHOT;
3203	})->prio (Coro::PRIO_MAX);	3697	})->prio (Coro::PRIO_MAX);
3204	};	3698	};
3205		3699
		3700	evthread_start IO::AIO::poll_fileno;
		3701
		3702	cf::sync_job {
		3703	cf::incloader::init ();
		3704
		3705	cf::init_anim;
		3706	cf::init_attackmess;
		3707	cf::init_dynamic;
		3708
		3709	cf::load_settings;
		3710
		3711	reload_resources;
3206	reload_config;	3712	reload_config;
3207	db_init;	3713	db_init;
		3714
		3715	cf::init_uuid;
		3716	cf::init_signals;
		3717	cf::init_skills;
		3718
		3719	cf::init_beforeplay;
		3720
		3721	atomic;
		3722
3208	load_extensions;	3723	load_extensions;
3209		3724
3210	$TICK_WATCHER->start;	3725	utime time, time, $RUNTIMEFILE;
3211	Event::loop;	3726
		3727	# no (long-running) fork's whatsoever before this point(!)
		3728	use POSIX ();
		3729	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3730
		3731	cf::_post_init 0;
		3732	};
		3733
		3734	cf::object::thawer::errors_are_fatal 0;
		3735	info "parse errors in files are no longer fatal from this point on.\n";
		3736
		3737	my $free_main; $free_main = EV::idle sub {
		3738	undef $free_main;
		3739	undef &main; # free gobs of memory :)
		3740	};
		3741
		3742	goto &main_loop;
3212	}	3743	}
3213		3744
3214	#############################################################################	3745	#############################################################################
3215	# initialisation and cleanup	3746	# initialisation and cleanup
3216		3747
3217	# install some emergency cleanup handlers	3748	# install some emergency cleanup handlers
3218	BEGIN {	3749	BEGIN {
		3750	our %SIGWATCHER = ();
3219	for my $signal (qw(INT HUP TERM)) {	3751	for my $signal (qw(INT HUP TERM)) {
3220	Event->signal (	3752	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3221	reentrant => 0,
3222	data => WF_AUTOCANCEL,
3223	signal => $signal,
3224	prio => 0,
3225	cb => sub {
3226	cf::cleanup "SIG$signal";	3753	cf::cleanup "SIG$signal";
3227	},
3228	);	3754	};
3229	}	3755	}
3230	}	3756	}
3231		3757
3232	sub write_runtime {	3758	sub write_runtime_sync {
3233	my $runtime = "$LOCALDIR/runtime";	3759	my $t0 = AE::time;
3234		3760
3235	# first touch the runtime file to show we are still running:	3761	# first touch the runtime file to show we are still running:
3236	# the fsync below can take a very very long time.	3762	# the fsync below can take a very very long time.
3237		3763
3238	IO::AIO::aio_utime $runtime, undef, undef;	3764	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3239		3765
3240	my $guard = cf::lock_acquire "write_runtime";	3766	my $guard = cf::lock_acquire "write_runtime";
3241		3767
3242	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3768	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3243	or return;	3769	or return;
3244		3770
3245	my $value = $cf::RUNTIME + 90 + 10;	3771	my $value = $cf::RUNTIME + 90 + 10;
3246	# 10 is the runtime save interval, for a monotonic clock	3772	# 10 is the runtime save interval, for a monotonic clock
3247	# 60 allows for the watchdog to kill the server.	3773	# 60 allows for the watchdog to kill the server.
…		…
3257	aio_utime $fh, undef, undef;	3783	aio_utime $fh, undef, undef;
3258		3784
3259	close $fh	3785	close $fh
3260	or return;	3786	or return;
3261		3787
3262	aio_rename "$runtime~", $runtime	3788	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3263	and return;	3789	and return;
3264		3790
3265	warn "runtime file written.\n";	3791	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3266		3792
3267	1	3793	1
		3794	}
		3795
		3796	our $uuid_lock;
		3797	our $uuid_skip;
		3798
		3799	sub write_uuid_sync($) {
		3800	$uuid_skip ||= $_[0];
		3801
		3802	return if $uuid_lock;
		3803	local $uuid_lock = 1;
		3804
		3805	my $uuid = "$LOCALDIR/uuid";
		3806
		3807	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3808	or return;
		3809
		3810	my $value = uuid_seq uuid_cur;
		3811
		3812	unless ($value) {
		3813	info "cowardly refusing to write zero uuid value!\n";
		3814	return;
		3815	}
		3816
		3817	my $value = uuid_str $value + $uuid_skip;
		3818	$uuid_skip = 0;
		3819
		3820	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3821	and return;
		3822
		3823	# always fsync - this file is important
		3824	aio_fsync $fh
		3825	and return;
		3826
		3827	close $fh
		3828	or return;
		3829
		3830	aio_rename "$uuid~", $uuid
		3831	and return;
		3832
		3833	trace "uuid file written ($value).\n";
		3834
		3835	1
		3836
		3837	}
		3838
		3839	sub write_uuid($$) {
		3840	my ($skip, $sync) = @_;
		3841
		3842	$sync ? write_uuid_sync $skip
		3843	: async { write_uuid_sync $skip };
3268	}	3844	}
3269		3845
3270	sub emergency_save() {	3846	sub emergency_save() {
3271	my $freeze_guard = cf::freeze_mainloop;	3847	my $freeze_guard = cf::freeze_mainloop;
3272		3848
3273	warn "enter emergency perl save\n";	3849	info "emergency_perl_save: enter\n";
		3850
		3851	# this is a trade-off: we want to be very quick here, so
		3852	# save all maps without fsync, and later call a global sync
		3853	# (which in turn might be very very slow)
		3854	local $USE_FSYNC = 0;
3274		3855
3275	cf::sync_job {	3856	cf::sync_job {
		3857	cf::write_runtime_sync; # external watchdog should not bark
		3858
3276	# use a peculiar iteration method to avoid tripping on perl	3859	# use a peculiar iteration method to avoid tripping on perl
3277	# refcount bugs in for. also avoids problems with players	3860	# refcount bugs in for. also avoids problems with players
3278	# and maps saved/destroyed asynchronously.	3861	# and maps saved/destroyed asynchronously.
3279	warn "begin emergency player save\n";	3862	info "emergency_perl_save: begin player save\n";
3280	for my $login (keys %cf::PLAYER) {	3863	for my $login (keys %cf::PLAYER) {
3281	my $pl = $cf::PLAYER{$login} or next;	3864	my $pl = $cf::PLAYER{$login} or next;
3282	$pl->valid or next;	3865	$pl->valid or next;
		3866	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3283	$pl->save;	3867	$pl->save;
3284	}	3868	}
3285	warn "end emergency player save\n";	3869	info "emergency_perl_save: end player save\n";
3286		3870
3287	warn "begin emergency map save\n";	3871	cf::write_runtime_sync; # external watchdog should not bark
		3872
		3873	info "emergency_perl_save: begin map save\n";
3288	for my $path (keys %cf::MAP) {	3874	for my $path (keys %cf::MAP) {
3289	my $map = $cf::MAP{$path} or next;	3875	my $map = $cf::MAP{$path} or next;
3290	$map->valid or next;	3876	$map->valid or next;
3291	$map->save;	3877	$map->save;
3292	}	3878	}
3293	warn "end emergency map save\n";	3879	info "emergency_perl_save: end map save\n";
3294		3880
3295	warn "begin emergency database checkpoint\n";	3881	cf::write_runtime_sync; # external watchdog should not bark
		3882
		3883	info "emergency_perl_save: begin database checkpoint\n";
3296	BDB::db_env_txn_checkpoint $DB_ENV;	3884	BDB::db_env_txn_checkpoint $DB_ENV;
3297	warn "end emergency database checkpoint\n";	3885	info "emergency_perl_save: end database checkpoint\n";
		3886
		3887	info "emergency_perl_save: begin write uuid\n";
		3888	write_uuid_sync 1;
		3889	info "emergency_perl_save: end write uuid\n";
		3890
		3891	cf::write_runtime_sync; # external watchdog should not bark
		3892
		3893	trace "emergency_perl_save: syncing database to disk";
		3894	BDB::db_env_txn_checkpoint $DB_ENV;
		3895
		3896	info "emergency_perl_save: starting sync\n";
		3897	IO::AIO::aio_sync sub {
		3898	info "emergency_perl_save: finished sync\n";
		3899	};
		3900
		3901	cf::write_runtime_sync; # external watchdog should not bark
		3902
		3903	trace "emergency_perl_save: flushing outstanding aio requests";
		3904	while (IO::AIO::nreqs || BDB::nreqs) {
		3905	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3906	}
		3907
		3908	cf::write_runtime_sync; # external watchdog should not bark
3298	};	3909	};
3299		3910
3300	warn "leave emergency perl save\n";	3911	info "emergency_perl_save: leave\n";
3301	}	3912	}
3302		3913
3303	sub post_cleanup {	3914	sub post_cleanup {
3304	my ($make_core) = @_;	3915	my ($make_core) = @_;
3305		3916
		3917	IO::AIO::flush;
		3918
3306	warn Carp::longmess "post_cleanup backtrace"	3919	error Carp::longmess "post_cleanup backtrace"
3307	if $make_core;	3920	if $make_core;
		3921
		3922	my $fh = pidfile;
		3923	unlink $PIDFILE if <$fh> == $$;
		3924	}
		3925
		3926	# a safer delete_package, copied from Symbol
		3927	sub clear_package($) {
		3928	my $pkg = shift;
		3929
		3930	# expand to full symbol table name if needed
		3931	unless ($pkg =~ /^main::.*::$/) {
		3932	$pkg = "main$pkg" if $pkg =~ /^::/;
		3933	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3934	$pkg .= '::' unless $pkg =~ /::$/;
		3935	}
		3936
		3937	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3938	my $stem_symtab = *{$stem}{HASH};
		3939
		3940	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3941	or return;
		3942
		3943	# clear all symbols
		3944	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3945	for my $name (keys %$leaf_symtab) {
		3946	_gv_clear *{"$pkg$name"};
		3947	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3948	}
3308	}	3949	}
3309		3950
3310	sub do_reload_perl() {	3951	sub do_reload_perl() {
3311	# can/must only be called in main	3952	# can/must only be called in main
3312	if ($Coro::current != $Coro::main) {	3953	unless (in_main) {
3313	warn "can only reload from main coroutine";	3954	error "can only reload from main coroutine";
3314	return;	3955	return;
3315	}	3956	}
3316		3957
3317	warn "reloading...";	3958	return if $RELOAD++;
3318		3959
3319	warn "entering sync_job";	3960	my $t1 = AE::time;
3320		3961
		3962	while ($RELOAD) {
		3963	cf::get_slot 0.1, -1, "reload_perl";
		3964	info "perl_reload: reloading...";
		3965
		3966	trace "perl_reload: entering sync_job";
		3967
3321	cf::sync_job {	3968	cf::sync_job {
3322	cf::write_runtime; # external watchdog should not bark
3323	cf::emergency_save;	3969	#cf::emergency_save;
3324	cf::write_runtime; # external watchdog should not bark
3325		3970
3326	warn "syncing database to disk";
3327	BDB::db_env_txn_checkpoint $DB_ENV;
3328
3329	# if anything goes wrong in here, we should simply crash as we already saved
3330
3331	warn "cancelling all WF_AUTOCANCEL watchers";
3332	for (Event::all_watchers) {
3333	$_->cancel if $_->data & WF_AUTOCANCEL;
3334	}
3335
3336	warn "flushing outstanding aio requests";
3337	for (;;) {
3338	BDB::flush;
3339	IO::AIO::flush;
3340	Coro::cede;
3341	last unless IO::AIO::nreqs || BDB::nreqs;
3342	warn "iterate...";
3343	}
3344
3345	++$RELOAD;
3346
3347	warn "cancelling all extension coros";	3971	trace "perl_reload: cancelling all extension coros";
3348	$_->cancel for values %EXT_CORO;	3972	$_->cancel for values %EXT_CORO;
3349	%EXT_CORO = ();	3973	%EXT_CORO = ();
3350		3974
3351	warn "removing commands";	3975	trace "perl_reload: removing commands";
3352	%COMMAND = ();	3976	%COMMAND = ();
3353		3977
3354	warn "removing ext/exti commands";	3978	trace "perl_reload: removing ext/exti commands";
3355	%EXTCMD = ();	3979	%EXTCMD = ();
3356	%EXTICMD = ();	3980	%EXTICMD = ();
3357		3981
3358	warn "unloading/nuking all extensions";	3982	trace "perl_reload: unloading/nuking all extensions";
3359	for my $pkg (@EXTS) {	3983	for my $pkg (@EXTS) {
3360	warn "... unloading $pkg";	3984	trace "... unloading $pkg";
3361		3985
3362	if (my $cb = $pkg->can ("unload")) {	3986	if (my $cb = $pkg->can ("unload")) {
3363	eval {	3987	eval {
3364	$cb->($pkg);	3988	$cb->($pkg);
3365	1	3989	1
3366	} or warn "$pkg unloaded, but with errors: $@";	3990	} or error "$pkg unloaded, but with errors: $@";
		3991	}
		3992
		3993	trace "... clearing $pkg";
		3994	clear_package $pkg;
3367	}	3995	}
3368		3996
3369	warn "... nuking $pkg";
3370	Symbol::delete_package $pkg;
3371	}
3372
3373	warn "unloading all perl modules loaded from $LIBDIR";	3997	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3374	while (my ($k, $v) = each %INC) {	3998	while (my ($k, $v) = each %INC) {
3375	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3999	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3376		4000
3377	warn "... unloading $k";	4001	trace "... unloading $k";
3378	delete $INC{$k};	4002	delete $INC{$k};
3379		4003
3380	$k =~ s/\.pm$//;	4004	$k =~ s/\.pm$//;
3381	$k =~ s/\//::/g;	4005	$k =~ s/\//::/g;
3382		4006
3383	if (my $cb = $k->can ("unload_module")) {	4007	if (my $cb = $k->can ("unload_module")) {
3384	$cb->();	4008	$cb->();
		4009	}
		4010
		4011	clear_package $k;
3385	}	4012	}
3386		4013
3387	Symbol::delete_package $k;
3388	}
3389
3390	warn "getting rid of safe::, as good as possible";	4014	trace "perl_reload: getting rid of safe::, as good as possible";
3391	Symbol::delete_package "safe::$_"	4015	clear_package "safe::$_"
3392	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4016	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3393		4017
3394	warn "unloading cf.pm \"a bit\"";	4018	trace "perl_reload: unloading cf.pm \"a bit\"";
3395	delete $INC{"cf.pm"};	4019	delete $INC{"cf.pm"};
3396	delete $INC{"cf/pod.pm"};	4020	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3397		4021
3398	# don't, removes xs symbols, too,	4022	# don't, removes xs symbols, too,
3399	# and global variables created in xs	4023	# and global variables created in xs
3400	#Symbol::delete_package __PACKAGE__;	4024	#clear_package __PACKAGE__;
3401		4025
3402	warn "unload completed, starting to reload now";	4026	info "perl_reload: unload completed, starting to reload now";
3403		4027
3404	warn "reloading cf.pm";	4028	trace "perl_reload: reloading cf.pm";
3405	require cf;	4029	require cf;
3406	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4030	cf::_connect_to_perl_1;
3407		4031
3408	warn "loading config and database again";	4032	trace "perl_reload: loading config and database again";
3409	cf::reload_config;	4033	cf::reload_config;
3410		4034
3411	warn "loading extensions";	4035	trace "perl_reload: loading extensions";
3412	cf::load_extensions;	4036	cf::load_extensions;
3413		4037
		4038	if ($REATTACH_ON_RELOAD) {
3414	warn "reattaching attachments to objects/players";	4039	trace "perl_reload: reattaching attachments to objects/players";
3415	_global_reattach; # objects, sockets	4040	_global_reattach; # objects, sockets
3416	warn "reattaching attachments to maps";	4041	trace "perl_reload: reattaching attachments to maps";
3417	reattach $_ for values %MAP;	4042	reattach $_ for values %MAP;
3418	warn "reattaching attachments to players";	4043	trace "perl_reload: reattaching attachments to players";
3419	reattach $_ for values %PLAYER;	4044	reattach $_ for values %PLAYER;
		4045	}
3420		4046
3421	warn "leaving sync_job";	4047	cf::_post_init 1;
3422		4048
		4049	trace "perl_reload: leaving sync_job";
		4050
3423	1	4051	1
3424	} or do {	4052	} or do {
3425	warn $@;	4053	error $@;
3426	warn "error while reloading, exiting.";	4054	cf::cleanup "perl_reload: error, exiting.";
3427	exit 1;	4055	};
		4056
		4057	--$RELOAD;
3428	};	4058	}
3429		4059
3430	warn "reloaded";	4060	$t1 = AE::time - $t1;
		4061	info "perl_reload: completed in ${t1}s\n";
3431	};	4062	};
3432		4063
3433	our $RELOAD_WATCHER; # used only during reload	4064	our $RELOAD_WATCHER; # used only during reload
3434		4065
3435	sub reload_perl() {	4066	sub reload_perl() {
3436	# doing reload synchronously and two reloads happen back-to-back,	4067	# doing reload synchronously and two reloads happen back-to-back,
3437	# coro crashes during coro_state_free->destroy here.	4068	# coro crashes during coro_state_free->destroy here.
3438		4069
3439	$RELOAD_WATCHER ||= Event->timer (	4070	$RELOAD_WATCHER ||= cf::async {
3440	reentrant => 0,	4071	Coro::AIO::aio_wait cache_extensions;
3441	after => 0,	4072
3442	data => WF_AUTOCANCEL,	4073	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3443	cb => sub {
3444	do_reload_perl;	4074	do_reload_perl;
3445	undef $RELOAD_WATCHER;	4075	undef $RELOAD_WATCHER;
3446	},	4076	};
3447	);	4077	};
3448	}	4078	}
3449		4079
3450	register_command "reload" => sub {	4080	register_command "reload" => sub {
3451	my ($who, $arg) = @_;	4081	my ($who, $arg) = @_;
3452		4082
…		…
3457	reload_perl;	4087	reload_perl;
3458	};	4088	};
3459	}	4089	}
3460	};	4090	};
3461		4091
3462	unshift @INC, $LIBDIR;	4092	#############################################################################
3463		4093
3464	my $bug_warning = 0;	4094	my $bug_warning = 0;
3465		4095
3466	our @WAIT_FOR_TICK;	4096	our @WAIT_FOR_TICK;
3467	our @WAIT_FOR_TICK_BEGIN;	4097	our @WAIT_FOR_TICK_BEGIN;
3468		4098
3469	sub wait_for_tick {	4099	sub wait_for_tick() {
3470	return unless $TICK_WATCHER->is_active;
3471	return if $Coro::current == $Coro::main;	4100	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3472		4101
3473	my $signal = new Coro::Signal;	4102	my $signal = new Coro::Signal;
3474	push @WAIT_FOR_TICK, $signal;	4103	push @WAIT_FOR_TICK, $signal;
3475	$signal->wait;	4104	$signal->wait;
3476	}	4105	}
3477		4106
3478	sub wait_for_tick_begin {	4107	sub wait_for_tick_begin() {
3479	return unless $TICK_WATCHER->is_active;
3480	return if $Coro::current == $Coro::main;	4108	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3481		4109
3482	my $signal = new Coro::Signal;	4110	my $signal = new Coro::Signal;
3483	push @WAIT_FOR_TICK_BEGIN, $signal;	4111	push @WAIT_FOR_TICK_BEGIN, $signal;
3484	$signal->wait;	4112	$signal->wait;
3485	}	4113	}
3486		4114
3487	$TICK_WATCHER = Event->timer (	4115	sub tick {
3488	reentrant => 0,
3489	parked => 1,
3490	prio => 0,
3491	at => $NEXT_TICK || $TICK,
3492	data => WF_AUTOCANCEL,
3493	cb => sub {
3494	if ($Coro::current != $Coro::main) {	4116	if ($Coro::current != $Coro::main) {
3495	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4117	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3496	unless ++$bug_warning > 10;	4118	unless ++$bug_warning > 10;
3497	return;	4119	return;
3498	}	4120	}
3499		4121
3500	$NOW = $tick_start = Event::time;
3501
3502	cf::server_tick; # one server iteration	4122	cf::server_tick; # one server iteration
3503		4123
3504	$RUNTIME += $TICK;	4124	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3505	$NEXT_TICK += $TICK;
3506		4125
3507	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4126	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3508	$NEXT_RUNTIME_WRITE = $NOW + 10;	4127	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3509	Coro::async_pool {	4128	Coro::async_pool {
3510	$Coro::current->{desc} = "runtime saver";	4129	$Coro::current->{desc} = "runtime saver";
3511	write_runtime	4130	write_runtime_sync
3512	or warn "ERROR: unable to write runtime file: $!";	4131	or error "ERROR: unable to write runtime file: $!";
3513	};
3514	}	4132	};
		4133	}
3515		4134
3516	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4135	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3517	$sig->send;	4136	$sig->send;
3518	}	4137	}
3519	while (my $sig = shift @WAIT_FOR_TICK) {	4138	while (my $sig = shift @WAIT_FOR_TICK) {
3520	$sig->send;	4139	$sig->send;
3521	}	4140	}
3522		4141
3523	$NOW = Event::time;	4142	$LOAD = ($NOW - $TICK_START) / $TICK;
3524
3525	# if we are delayed by four ticks or more, skip them all
3526	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3527
3528	$TICK_WATCHER->at ($NEXT_TICK);
3529	$TICK_WATCHER->start;
3530
3531	$LOAD = ($NOW - $tick_start) / $TICK;
3532	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4143	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3533		4144
3534	_post_tick;	4145	if (0) {
		4146	if ($NEXT_TICK) {
		4147	my $jitter = $TICK_START - $NEXT_TICK;
		4148	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4149	debug "jitter $JITTER\n";#d#
		4150	}
3535	},	4151	}
3536	);	4152	}
3537		4153
3538	{	4154	{
		4155	# configure BDB
		4156
3539	BDB::min_parallel 8;	4157	BDB::min_parallel 16;
3540	BDB::max_poll_time $TICK * 0.1;	4158	BDB::max_poll_reqs $TICK * 0.1;
3541	$BDB_POLL_WATCHER = Event->io (	4159	$AnyEvent::BDB::WATCHER->priority (1);
3542	reentrant => 0,
3543	fd => BDB::poll_fileno,
3544	poll => 'r',
3545	prio => 0,
3546	data => WF_AUTOCANCEL,
3547	cb => \&BDB::poll_cb,
3548	);
3549
3550	BDB::set_sync_prepare {
3551	my $status;
3552	my $current = $Coro::current;
3553	(
3554	sub {
3555	$status = $!;
3556	$current->ready; undef $current;
3557	},
3558	sub {
3559	Coro::schedule while defined $current;
3560	$! = $status;
3561	},
3562	)
3563	};
3564		4160
3565	unless ($DB_ENV) {	4161	unless ($DB_ENV) {
3566	$DB_ENV = BDB::db_env_create;	4162	$DB_ENV = BDB::db_env_create;
3567	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4163	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3568	| BDB::LOG_AUTOREMOVE, 1);	4164	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4165	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3569	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4166	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3570	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4167	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3571		4168
3572	cf::sync_job {	4169	cf::sync_job {
3573	eval {	4170	eval {
…		…
3583		4180
3584	cf::cleanup "db_env_open(db): $@" if $@;	4181	cf::cleanup "db_env_open(db): $@" if $@;
3585	};	4182	};
3586	}	4183	}
3587		4184
3588	$BDB_DEADLOCK_WATCHER = Event->timer (	4185	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3589	after => 3,
3590	interval => 1,
3591	hard => 1,
3592	prio => 0,
3593	data => WF_AUTOCANCEL,
3594	cb => sub {
3595	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };	4186	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3596	},
3597	);	4187	};
3598	$BDB_CHECKPOINT_WATCHER = Event->timer (	4188	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3599	after => 11,
3600	interval => 60,
3601	hard => 1,
3602	prio => 0,
3603	data => WF_AUTOCANCEL,
3604	cb => sub {
3605	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4189	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3606	},
3607	);	4190	};
3608	$BDB_TRICKLE_WATCHER = Event->timer (	4191	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3609	after => 5,
3610	interval => 10,
3611	hard => 1,
3612	prio => 0,
3613	data => WF_AUTOCANCEL,
3614	cb => sub {
3615	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4192	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3616	},
3617	);	4193	};
3618	}	4194	}
3619		4195
3620	{	4196	{
		4197	# configure IO::AIO
		4198
3621	IO::AIO::min_parallel 8;	4199	IO::AIO::min_parallel 8;
3622
3623	undef $Coro::AIO::WATCHER;
3624	IO::AIO::max_poll_time $TICK * 0.1;	4200	IO::AIO::max_poll_time $TICK * 0.1;
3625	$AIO_POLL_WATCHER = Event->io (	4201	undef $AnyEvent::AIO::WATCHER;
3626	reentrant => 0,
3627	data => WF_AUTOCANCEL,
3628	fd => IO::AIO::poll_fileno,
3629	poll => 'r',
3630	prio => 0,
3631	cb => \&IO::AIO::poll_cb,
3632	);
3633	}	4202	}
3634		4203
3635	my $_log_backtrace;	4204	our $_log_backtrace;
		4205	our $_log_backtrace_last;
3636		4206
3637	sub _log_backtrace {	4207	sub _log_backtrace {
3638	my ($msg, @addr) = @_;	4208	my ($msg, @addr) = @_;
3639		4209
3640	$msg =~ s/\n//;	4210	$msg =~ s/\n$//;
3641		4211
		4212	if ($_log_backtrace_last eq $msg) {
		4213	LOG llevInfo, "[ABT] $msg\n";
		4214	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3642	# limit the # of concurrent backtraces	4215	# limit the # of concurrent backtraces
3643	if ($_log_backtrace < 2) {	4216	} elsif ($_log_backtrace < 2) {
		4217	$_log_backtrace_last = $msg;
3644	++$_log_backtrace;	4218	++$_log_backtrace;
		4219	my $perl_bt = Carp::longmess $msg;
3645	async {	4220	async {
3646	$Coro::current->{desc} = "abt $msg";	4221	$Coro::current->{desc} = "abt $msg";
3647		4222
3648	my @bt = fork_call {	4223	my @bt = fork_call {
3649	@addr = map { sprintf "%x", $_ } @addr;	4224	@addr = map { sprintf "%x", $_ } @addr;
…		…
3660	}	4235	}
3661		4236
3662	@funcs	4237	@funcs
3663	};	4238	};
3664		4239
3665	LOG llevInfo, "[ABT] $msg\n";	4240	LOG llevInfo, "[ABT] $perl_bt\n";
		4241	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3666	LOG llevInfo, "[ABT] $_\n" for @bt;	4242	LOG llevInfo, "[ABT] $_\n" for @bt;
3667	--$_log_backtrace;	4243	--$_log_backtrace;
3668	};	4244	};
3669	} else {	4245	} else {
3670	LOG llevInfo, "[ABT] $msg\n";	4246	LOG llevInfo, "[ABT] $msg\n";
3671	LOG llevInfo, "[ABT] [suppressed]\n";	4247	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3672	}	4248	}
3673	}	4249	}
3674		4250
3675	# load additional modules	4251	# load additional modules
3676	use cf::pod;	4252	require "cf/$_.pm" for @EXTRA_MODULES;
		4253	cf::_connect_to_perl_2;
3677		4254
3678	END { cf::emergency_save }	4255	END { cf::emergency_save }
3679		4256
3680	1	4257	1
3681		4258

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