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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.389 by root, Sat Oct 20 04:39:57 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 Event;	30	use EV;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
13	use Storable ();	34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 4.1 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
24	use Coro::Util ();	51	use Coro::Util ();
25		52
26	use JSON::XS ();	53	use JSON::XS 2.01 ();
27	use BDB ();	54	use BDB ();
28	use Data::Dumper;	55	use Data::Dumper;
29	use Digest::MD5;
30	use Fcntl;	56	use Fcntl;
31	use YAML::Syck ();	57	use YAML::XS ();
32	use IO::AIO 2.51 ();	58	use IO::AIO ();
33	use Time::HiRes;	59	use Time::HiRes;
34	use Compress::LZF;	60	use Compress::LZF;
35	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
36		64
37	# configure various modules to our taste	65	# configure various modules to our taste
38	#	66	#
39	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42		75
43	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
44		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		78
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
51		82
52	our %COMMAND = ();	83	our %COMMAND = ();
53	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
54		85
55	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
56	our %EXTCMD = ();	87	our %EXTCMD = ();
57	our %EXTICMD = ();	88	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
60		91
61	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
63		96
64	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
65	our $DATADIR = datadir;	99	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
69	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
75		120
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	123	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
83		125
84	our $BDB_POLL_WATCHER;
85	our $BDB_DEADLOCK_WATCHER;	126	our $BDB_DEADLOCK_WATCHER;
86	our $BDB_CHECKPOINT_WATCHER;	127	our $BDB_CHECKPOINT_WATCHER;
87	our $BDB_TRICKLE_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
88	our $DB_ENV;	129	our $DB_ENV;
89		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		132
90	our %CFG;	133	our %CFG;
91		134
92	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
93	our $RUNTIME;	136	our $RUNTIME;
		137	our $NOW;
94		138
95	our (%PLAYER, %PLAYER_LOADING); # all users	139	our (%PLAYER, %PLAYER_LOADING); # all users
96	our (%MAP, %MAP_LOADING ); # all maps	140	our (%MAP, %MAP_LOADING ); # all maps
97	our $LINK_MAP; # the special {link} map, which is always available	141	our $LINK_MAP; # the special {link} map, which is always available
98		142
99	# used to convert map paths into valid unix filenames by replacing / by ∕	143	# used to convert map paths into valid unix filenames by replacing / by ∕
100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	144	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
101		145
102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	146	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
103	our $LOADAVG; # same thing, but with alpha-smoothing	147	our $LOADAVG; # same thing, but with alpha-smoothing
		148	our $JITTER; # average jitter
104	our $tick_start; # for load detecting purposes	149	our $TICK_START; # for load detecting purposes
		150
		151	our @POST_INIT;
		152
		153	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		154	our $REALLY_UNLOOP; # never set to true, please :)
105		155
106	binmode STDOUT;	156	binmode STDOUT;
107	binmode STDERR;	157	binmode STDERR;
108		158
109	# read virtual server time, if available	159	# read virtual server time, if available
110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	160	unless ($RUNTIME || !-e $RUNTIMEFILE) {
111	open my $fh, "<", "$LOCALDIR/runtime"	161	open my $fh, "<", $RUNTIMEFILE
112	or die "unable to read runtime file: $!";	162	or die "unable to read $RUNTIMEFILE file: $!";
113	$RUNTIME = <$fh> + 0.;	163	$RUNTIME = <$fh> + 0.;
114	}	164	}
		165
		166	eval "sub TICK() { $TICK } 1" or die;
115		167
116	mkdir $_	168	mkdir $_
117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	169	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
118		170
119	our $EMERGENCY_POSITION;	171	our $EMERGENCY_POSITION;
120		172
121	sub cf::map::normalise;	173	sub cf::map::normalise;
		174
		175	sub in_main() {
		176	$Coro::current == $Coro::main
		177	}
		178
		179	#############################################################################
		180
		181	%REFLECT = ();
		182	for (@REFLECT) {
		183	my $reflect = JSON::XS::decode_json $_;
		184	$REFLECT{$reflect->{class}} = $reflect;
		185	}
		186
		187	# this is decidedly evil
		188	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
122		189
123	#############################################################################	190	#############################################################################
124		191
125	=head2 GLOBAL VARIABLES	192	=head2 GLOBAL VARIABLES
126		193
…		…
162		229
163	The raw value load value from the last tick.	230	The raw value load value from the last tick.
164		231
165	=item %cf::CFG	232	=item %cf::CFG
166		233
167	Configuration for the server, loaded from C</etc/crossfire/config>, or	234	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
168	from wherever your confdir points to.	235	from wherever your confdir points to.
169		236
170	=item cf::wait_for_tick, cf::wait_for_tick_begin	237	=item cf::wait_for_tick, cf::wait_for_tick_begin
171		238
172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	239	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
173	returns directly I<after> the tick processing (and consequently, can only wake one process	240	returns directly I<after> the tick processing (and consequently, can only wake one thread
174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	241	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
175		242
		243	=cut
		244
		245	sub wait_for_tick();
		246	sub wait_for_tick_begin();
		247
176	=item @cf::INVOKE_RESULTS	248	=item @cf::INVOKE_RESULTS
177		249
178	This array contains the results of the last C<invoke ()> call. When	250	This array contains the results of the last C<invoke ()> call. When
179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	251	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
180	that call.	252	that call.
181		253
		254	=item %cf::REFLECT
		255
		256	Contains, for each (C++) class name, a hash reference with information
		257	about object members (methods, scalars, arrays and flags) and other
		258	metadata, which is useful for introspection.
		259
182	=back	260	=back
183		261
184	=cut	262	=cut
185		263
186	BEGIN {	264	sub error(@) { LOG llevError, join "", @_ }
187	*CORE::GLOBAL::warn = sub {	265	sub warn (@) { LOG llevWarn , join "", @_ }
		266	sub info (@) { LOG llevInfo , join "", @_ }
		267	sub debug(@) { LOG llevDebug, join "", @_ }
		268	sub trace(@) { LOG llevTrace, join "", @_ }
		269
		270	$Coro::State::WARNHOOK = sub {
188	my $msg = join "", @_;	271	my $msg = join "", @_;
189		272
190	$msg .= "\n"	273	$msg .= "\n"
191	unless $msg =~ /\n$/;	274	unless $msg =~ /\n$/;
192		275
193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	276	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
194		277
195	LOG llevError, $msg;	278	LOG llevWarn, $msg;
196	};	279	};
197	}	280
		281	$Coro::State::DIEHOOK = sub {
		282	return unless $^S eq 0; # "eq", not "=="
		283
		284	error Carp::longmess $_[0];
		285
		286	if (in_main) {#d#
		287	error "DIEHOOK called in main context, Coro bug?\n";#d#
		288	return;#d#
		289	}#d#
		290
		291	# kill coroutine otherwise
		292	Coro::terminate
		293	};
198		294
199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	295	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	296	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	297	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	298	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
209	for my $pkg (qw(	305	for my $pkg (qw(
210	cf::global cf::attachable	306	cf::global cf::attachable
211	cf::object cf::object::player	307	cf::object cf::object::player
212	cf::client cf::player	308	cf::client cf::player
213	cf::arch cf::living	309	cf::arch cf::living
		310	cf::map cf::mapspace
214	cf::map cf::party cf::region	311	cf::party cf::region
215	)) {	312	)) {
216	no strict 'refs';
217	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	313	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
218	}	314	}
219		315
220	$Event::DIED = sub {	316	$EV::DIED = sub {
221	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
222	};	318	};
		319
		320	#############################################################################
		321
		322	sub fork_call(&@);
		323	sub get_slot($;$$);
223		324
224	#############################################################################	325	#############################################################################
225		326
226	=head2 UTILITY FUNCTIONS	327	=head2 UTILITY FUNCTIONS
227		328
…		…
248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	349	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
249	$d	350	$d
250	} || "[unable to dump $_[0]: '$@']";	351	} || "[unable to dump $_[0]: '$@']";
251	}	352	}
252		353
		354	=item $scalar = load_file $path
		355
		356	Loads the given file from path and returns its contents. Croaks on error
		357	and can block.
		358
		359	=cut
		360
		361	sub load_file($) {
		362	0 <= aio_load $_[0], my $data
		363	or Carp::croak "$_[0]: $!";
		364
		365	$data
		366	}
		367
253	=item $ref = cf::from_json $json	368	=item $ref = cf::decode_json $json
254		369
255	Converts a JSON string into the corresponding perl data structure.	370	Converts a JSON string into the corresponding perl data structure.
256		371
257	=item $json = cf::to_json $ref	372	=item $json = cf::encode_json $ref
258		373
259	Converts a perl data structure into its JSON representation.	374	Converts a perl data structure into its JSON representation.
260		375
261	=cut	376	=cut
262		377
263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	378	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
264		379
265	sub to_json ($) { $json_coder->encode ($_[0]) }	380	sub encode_json($) { $json_coder->encode ($_[0]) }
266	sub from_json ($) { $json_coder->decode ($_[0]) }	381	sub decode_json($) { $json_coder->decode ($_[0]) }
		382
		383	=item $ref = cf::decode_storable $scalar
		384
		385	Same as Coro::Storable::thaw, so blocks.
		386
		387	=cut
		388
		389	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		390
		391	=item $ref = cf::decode_yaml $scalar
		392
		393	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		394
		395	=cut
		396
		397	sub decode_yaml($) {
		398	fork_call { YAML::XS::Load $_[0] } @_
		399	}
		400
		401	=item $scalar = cf::unlzf $scalar
		402
		403	Same as Compress::LZF::compress, but takes server ticks into account, so
		404	blocks.
		405
		406	=cut
		407
		408	sub unlzf($) {
		409	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		410	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		411	Compress::LZF::decompress $_[0]
		412	}
		413
		414	=item cf::post_init { BLOCK }
		415
		416	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		417	but I<before> the server starts ticking again.
		418
		419	The codeblock will have a single boolean argument to indicate whether this
		420	is a reload or not.
		421
		422	=cut
		423
		424	sub post_init(&) {
		425	push @POST_INIT, shift;
		426	}
		427
		428	sub _post_init {
		429	trace "running post_init jobs";
		430
		431	# run them in parallel...
		432
		433	my @join;
		434
		435	while () {
		436	push @join, map &Coro::async ($_, 0), @POST_INIT;
		437	@POST_INIT = ();
		438
		439	@join or last;
		440
		441	(pop @join)->join;
		442	}
		443	}
267		444
268	=item cf::lock_wait $string	445	=item cf::lock_wait $string
269		446
270	Wait until the given lock is available. See cf::lock_acquire.	447	Wait until the given lock is available. See cf::lock_acquire.
271		448
272	=item my $lock = cf::lock_acquire $string	449	=item my $lock = cf::lock_acquire $string
273		450
274	Wait until the given lock is available and then acquires it and returns	451	Wait until the given lock is available and then acquires it and returns
275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	452	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
276	for example when the coroutine gets canceled), the lock is automatically	453	for example when the coroutine gets canceled), the lock is automatically
277	returned.	454	returned.
278		455
279	Locks are *not* recursive, locking from the same coro twice results in a	456	Locks are *not* recursive, locking from the same coro twice results in a
280	deadlocked coro.	457	deadlocked coro.
…		…
286		463
287	Return true if the lock is currently active, i.e. somebody has locked it.	464	Return true if the lock is currently active, i.e. somebody has locked it.
288		465
289	=cut	466	=cut
290		467
291	our %LOCK;	468	our $LOCKS = new Coro::SemaphoreSet;
292	our %LOCKER;#d#
293		469
294	sub lock_wait($) {	470	sub lock_wait($) {
295	my ($key) = @_;	471	$LOCKS->wait ($_[0]);
296
297	if ($LOCKER{$key} == $Coro::current) {#d#
298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
299	return;#d#
300	}#d#
301
302	# wait for lock, if any
303	while ($LOCK{$key}) {
304	push @{ $LOCK{$key} }, $Coro::current;
305	Coro::schedule;
306	}
307	}	472	}
308		473
309	sub lock_acquire($) {	474	sub lock_acquire($) {
310	my ($key) = @_;	475	$LOCKS->guard ($_[0])
311
312	# wait, to be sure we are not locked
313	lock_wait $key;
314
315	$LOCK{$key} = [];
316	$LOCKER{$key} = $Coro::current;#d#
317
318	Coro::guard {
319	delete $LOCKER{$key};#d#
320	# wake up all waiters, to be on the safe side
321	$_->ready for @{ delete $LOCK{$key} };
322	}
323	}	476	}
324		477
325	sub lock_active($) {	478	sub lock_active($) {
326	my ($key) = @_;	479	$LOCKS->count ($_[0]) < 1
327
328	! ! $LOCK{$key}
329	}	480	}
330		481
331	sub freeze_mainloop {	482	sub freeze_mainloop {
332	return unless $TICK_WATCHER->is_active;	483	tick_inhibit_inc;
333		484
334	my $guard = Coro::guard {	485	&Guard::guard (\&tick_inhibit_dec);
335	$TICK_WATCHER->start;	486	}
336	};	487
337	$TICK_WATCHER->stop;	488	=item cf::periodic $interval, $cb
338	$guard	489
		490	Like EV::periodic, but randomly selects a starting point so that the actions
		491	get spread over time.
		492
		493	=cut
		494
		495	sub periodic($$) {
		496	my ($interval, $cb) = @_;
		497
		498	my $start = rand List::Util::min 180, $interval;
		499
		500	EV::periodic $start, $interval, 0, $cb
339	}	501	}
340		502
341	=item cf::get_slot $time[, $priority[, $name]]	503	=item cf::get_slot $time[, $priority[, $name]]
342		504
343	Allocate $time seconds of blocking CPU time at priority C<$priority>:	505	Allocate $time seconds of blocking CPU time at priority C<$priority>
344	This call blocks and returns only when you have at least C<$time> seconds	506	(default: 0): This call blocks and returns only when you have at least
345	of cpu time till the next tick. The slot is only valid till the next cede.	507	C<$time> seconds of cpu time till the next tick. The slot is only valid
		508	till the next cede.
		509
		510	Background jobs should use a priority les than zero, interactive jobs
		511	should use 100 or more.
346		512
347	The optional C<$name> can be used to identify the job to run. It might be	513	The optional C<$name> can be used to identify the job to run. It might be
348	used for statistical purposes and should identify the same time-class.	514	used for statistical purposes and should identify the same time-class.
349		515
350	Useful for short background jobs.	516	Useful for short background jobs.
351		517
352	=cut	518	=cut
353		519
354	our @SLOT_QUEUE;	520	our @SLOT_QUEUE;
355	our $SLOT_QUEUE;	521	our $SLOT_QUEUE;
		522	our $SLOT_DECAY = 0.9;
356		523
357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	524	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
358	$SLOT_QUEUE = Coro::async {	525	$SLOT_QUEUE = Coro::async {
359	$Coro::current->desc ("timeslot manager");	526	$Coro::current->desc ("timeslot manager");
360		527
361	my $signal = new Coro::Signal;	528	my $signal = new Coro::Signal;
		529	my $busy;
362		530
363	while () {	531	while () {
364	next_job:	532	next_job:
		533
365	my $avail = cf::till_tick;	534	my $avail = cf::till_tick;
366	if ($avail > 0.01) {	535
367	for (0 .. $#SLOT_QUEUE) {	536	for (0 .. $#SLOT_QUEUE) {
368	if ($SLOT_QUEUE[$_][0] < $avail) {	537	if ($SLOT_QUEUE[$_][0] <= $avail) {
		538	$busy = 0;
369	my $job = splice @SLOT_QUEUE, $_, 1, ();	539	my $job = splice @SLOT_QUEUE, $_, 1, ();
370	$job->[2]->send;	540	$job->[2]->send;
371	Coro::cede;	541	Coro::cede;
372	goto next_job;	542	goto next_job;
373	}	543	} else {
		544	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
374	}	545	}
375	}	546	}
376		547
377	if (@SLOT_QUEUE) {	548	if (@SLOT_QUEUE) {
378	# we do not use wait_for_tick() as it returns immediately when tick is inactive	549	# we do not use wait_for_tick() as it returns immediately when tick is inactive
379	push @cf::WAIT_FOR_TICK, $signal;	550	push @cf::WAIT_FOR_TICK, $signal;
380	$signal->wait;	551	$signal->wait;
381	} else {	552	} else {
		553	$busy = 0;
382	Coro::schedule;	554	Coro::schedule;
383	}	555	}
384	}	556	}
385	};	557	};
386		558
387	sub get_slot($;$$) {	559	sub get_slot($;$$) {
		560	return if tick_inhibit || $Coro::current == $Coro::main;
		561
388	my ($time, $pri, $name) = @_;	562	my ($time, $pri, $name) = @_;
389		563
390	$time = $TICK * .6 if $time > $TICK * .6;	564	$time = clamp $time, 0.01, $TICK * .6;
		565
391	my $sig = new Coro::Signal;	566	my $sig = new Coro::Signal;
392		567
393	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	568	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
394	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	569	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
395	$SLOT_QUEUE->ready;	570	$SLOT_QUEUE->ready;
…		…
406		581
407	BEGIN { *async = \&Coro::async_pool }	582	BEGIN { *async = \&Coro::async_pool }
408		583
409	=item cf::sync_job { BLOCK }	584	=item cf::sync_job { BLOCK }
410		585
411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	586	The design of Deliantra requires that the main coroutine ($Coro::main)
412	is always able to handle events or runnable, as Crossfire TRT is only	587	is always able to handle events or runnable, as Deliantra is only
413	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	588	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
414	acceptable.	589	acceptable.
415		590
416	If it must be done, put the blocking parts into C<sync_job>. This will run	591	If it must be done, put the blocking parts into C<sync_job>. This will run
417	the given BLOCK in another coroutine while waiting for the result. The	592	the given BLOCK in another coroutine while waiting for the result. The
…		…
421	=cut	596	=cut
422		597
423	sub sync_job(&) {	598	sub sync_job(&) {
424	my ($job) = @_;	599	my ($job) = @_;
425		600
426	if ($Coro::current == $Coro::main) {	601	if (in_main) {
427	my $time = Event::time;	602	my $time = AE::time;
428		603
429	# this is the main coro, too bad, we have to block	604	# this is the main coro, too bad, we have to block
430	# till the operation succeeds, freezing the server :/	605	# till the operation succeeds, freezing the server :/
431		606
432	LOG llevError, Carp::longmess "sync job";#d#	607	#LOG llevError, Carp::longmess "sync job";#d#
433		608
434	# TODO: use suspend/resume instead
435	# (but this is cancel-safe)
436	my $freeze_guard = freeze_mainloop;	609	my $freeze_guard = freeze_mainloop;
437		610
438	my $busy = 1;	611	my $busy = 1;
439	my @res;	612	my @res;
440		613
441	(async {	614	(async {
442	$Coro::current->desc ("sync job coro");	615	$Coro::current->desc ("sync job coro");
443	@res = eval { $job->() };	616	@res = eval { $job->() };
444	warn $@ if $@;	617	error $@ if $@;
445	undef $busy;	618	undef $busy;
446	})->prio (Coro::PRIO_MAX);	619	})->prio (Coro::PRIO_MAX);
447		620
448	while ($busy) {	621	while ($busy) {
449	if (Coro::nready) {	622	if (Coro::nready) {
450	Coro::cede_notself;	623	Coro::cede_notself;
451	} else {	624	} else {
452	Event::one_event;	625	EV::loop EV::LOOP_ONESHOT;
453	}	626	}
454	}	627	}
455		628
456	$time = Event::time - $time;	629	my $time = AE::time - $time;
457		630
458	LOG llevError | logBacktrace, Carp::longmess "long sync job"
459	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
460
461	$tick_start += $time; # do not account sync jobs to server load	631	$TICK_START += $time; # do not account sync jobs to server load
462		632
463	wantarray ? @res : $res[0]	633	wantarray ? @res : $res[0]
464	} else {	634	} else {
465	# we are in another coroutine, how wonderful, everything just works	635	# we are in another coroutine, how wonderful, everything just works
466		636
…		…
486	$EXT_CORO{$coro+0} = $coro;	656	$EXT_CORO{$coro+0} = $coro;
487		657
488	$coro	658	$coro
489	}	659	}
490		660
491	=item fork_call { }, $args	661	=item fork_call { }, @args
492		662
493	Executes the given code block with the given arguments in a seperate	663	Executes the given code block with the given arguments in a seperate
494	process, returning the results. Everything must be serialisable with	664	process, returning the results. Everything must be serialisable with
495	Coro::Storable. May, of course, block. Note that the executed sub may	665	Coro::Storable. May, of course, block. Note that the executed sub may
496	never block itself or use any form of Event handling.	666	never block itself or use any form of event handling.
497		667
498	=cut	668	=cut
		669
		670	sub post_fork {
		671	reset_signals;
		672	}
499		673
500	sub fork_call(&@) {	674	sub fork_call(&@) {
501	my ($cb, @args) = @_;	675	my ($cb, @args) = @_;
502		676
503	# we seemingly have to make a local copy of the whole thing,	677	# we seemingly have to make a local copy of the whole thing,
504	# otherwise perl prematurely frees the stuff :/	678	# otherwise perl prematurely frees the stuff :/
505	# TODO: investigate and fix (likely this will be rather laborious)	679	# TODO: investigate and fix (likely this will be rather laborious)
506		680
507	my @res = Coro::Util::fork_eval {	681	my @res = Coro::Util::fork_eval {
508	reset_signals;	682	cf::post_fork;
509	&$cb	683	&$cb
510	}, @args;	684	} @args;
511		685
512	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
513	}	725	}
514		726
515	=item $value = cf::db_get $family => $key	727	=item $value = cf::db_get $family => $key
516		728
517	Returns a single value from the environment database.	729	Returns a single value from the environment database.
…		…
527	within each server.	739	within each server.
528		740
529	=cut	741	=cut
530		742
531	sub db_table($) {	743	sub db_table($) {
		744	cf::error "db_get called from main context"
		745	if $Coro::current == $Coro::main;
		746
532	my ($name) = @_;	747	my ($name) = @_;
533	my $db = BDB::db_create $DB_ENV;	748	my $db = BDB::db_create $DB_ENV;
534		749
535	eval {	750	eval {
536	$db->set_flags (BDB::CHKSUM);	751	$db->set_flags (BDB::CHKSUM);
…		…
546	}	761	}
547		762
548	our $DB;	763	our $DB;
549		764
550	sub db_init {	765	sub db_init {
551	cf::sync_job {
552	$DB ||= db_table "db";	766	$DB ||= db_table "db";
553	};
554	}	767	}
555		768
556	sub db_get($$) {	769	sub db_get($$) {
557	my $key = "$_[0]/$_[1]";	770	my $key = "$_[0]/$_[1]";
558		771
559	cf::sync_job {	772	cf::error "db_get called from main context"
		773	if $Coro::current == $Coro::main;
		774
560	BDB::db_get $DB, undef, $key, my $data;	775	BDB::db_get $DB, undef, $key, my $data;
561		776
562	$! ? ()	777	$! ? ()
563	: $data	778	: $data
564	}
565	}	779	}
566		780
567	sub db_put($$$) {	781	sub db_put($$$) {
568	BDB::dbreq_pri 4;	782	BDB::dbreq_pri 4;
569	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	783	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
597		811
598	my @data;	812	my @data;
599	my $md5;	813	my $md5;
600		814
601	for (0 .. $#$src) {	815	for (0 .. $#$src) {
602	0 <= aio_load $src->[$_], $data[$_]	816	$data[$_] = load_file $src->[$_];
603	or Carp::croak "$src->[$_]: $!";
604	}	817	}
605		818
606	# if processing is expensive, check	819	# if processing is expensive, check
607	# checksum first	820	# checksum first
608	if (1) {	821	if (1) {
…		…
625		838
626	my $t1 = Time::HiRes::time;	839	my $t1 = Time::HiRes::time;
627	my $data = $process->(\@data);	840	my $data = $process->(\@data);
628	my $t2 = Time::HiRes::time;	841	my $t2 = Time::HiRes::time;
629		842
630	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	843	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
631		844
632	db_put cache => "$id/data", $data;	845	db_put cache => "$id/data", $data;
633	db_put cache => "$id/md5" , $md5;	846	db_put cache => "$id/md5" , $md5;
634	db_put cache => "$id/meta", $meta;	847	db_put cache => "$id/meta", $meta;
635		848
…		…
645		858
646	=cut	859	=cut
647		860
648	sub datalog($@) {	861	sub datalog($@) {
649	my ($type, %kv) = @_;	862	my ($type, %kv) = @_;
650	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	863	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
651	}	864	}
652		865
653	=back	866	=back
654		867
655	=cut	868	=cut
656		869
657	#############################################################################	870	#############################################################################
658		871
659	=head2 ATTACHABLE OBJECTS	872	=head2 ATTACHABLE OBJECTS
660		873
661	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
662	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")
663	to it. All such attachable objects support the following methods.	876	to it. All such attachable objects support the following methods.
664		877
665	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>
666	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
667	Crossfire TRT).	880	Deliantra).
668		881
669	=over 4	882	=over 4
670		883
671	=item $attachable->attach ($attachment, key => $value...)	884	=item $attachable->attach ($attachment, key => $value...)
672		885
…		…
716	=item cf::CLASS::attachment $name, ...	929	=item cf::CLASS::attachment $name, ...
717		930
718	Register an attachment by C<$name> through which attachable objects of the	931	Register an attachment by C<$name> through which attachable objects of the
719	given CLASS can refer to this attachment.	932	given CLASS can refer to this attachment.
720		933
721	Some classes such as crossfire maps and objects can specify attachments	934	Some classes such as deliantra maps and objects can specify attachments
722	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.
723		936
724	These calls expect any number of the following handler/hook descriptions:	937	These calls expect any number of the following handler/hook descriptions:
725		938
726	=over 4	939	=over 4
…		…
850		1063
851	} elsif (exists $cb_id{$type}) {	1064	} elsif (exists $cb_id{$type}) {
852	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1065	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
853		1066
854	} elsif (ref $type) {	1067	} elsif (ref $type) {
855	warn "attaching objects not supported, ignoring.\n";	1068	error "attaching objects not supported, ignoring.\n";
856		1069
857	} else {	1070	} else {
858	shift @arg;	1071	shift @arg;
859	warn "attach argument '$type' not supported, ignoring.\n";	1072	error "attach argument '$type' not supported, ignoring.\n";
860	}	1073	}
861	}	1074	}
862	}	1075	}
863		1076
864	sub _object_attach {	1077	sub _object_attach {
…		…
874	_attach $registry, $klass, @attach;	1087	_attach $registry, $klass, @attach;
875	}	1088	}
876		1089
877	$obj->{$name} = \%arg;	1090	$obj->{$name} = \%arg;
878	} else {	1091	} else {
879	warn "object uses attachment '$name' which is not available, postponing.\n";	1092	info "object uses attachment '$name' which is not available, postponing.\n";
880	}	1093	}
881		1094
882	$obj->{_attachment}{$name} = undef;	1095	$obj->{_attachment}{$name} = undef;
883	}	1096	}
884		1097
…		…
943		1156
944	for (@$callbacks) {	1157	for (@$callbacks) {
945	eval { &{$_->[1]} };	1158	eval { &{$_->[1]} };
946		1159
947	if ($@) {	1160	if ($@) {
948	warn "$@";
949	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1161	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
950	override;	1162	override;
951	}	1163	}
952		1164
953	return 1 if $override;	1165	return 1 if $override;
954	}	1166	}
955		1167
956	0	1168	0
957	}	1169	}
958		1170
959	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1171	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
960		1172
961	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1173	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
962		1174
963	Generate an object-specific event with the given arguments.	1175	Generate an object-specific event with the given arguments.
964		1176
…		…
1017		1229
1018	sub reattach {	1230	sub reattach {
1019	# basically do the same as instantiate, without calling instantiate	1231	# basically do the same as instantiate, without calling instantiate
1020	my ($obj) = @_;	1232	my ($obj) = @_;
1021		1233
		1234	# no longer needed after getting rid of delete_package?
1022	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
1023		1236
1024	my $registry = $obj->registry;	1237	my $registry = $obj->registry;
1025		1238
1026	@$registry = ();	1239	@$registry = ();
1027		1240
…		…
1032	for (@$attach) {	1245	for (@$attach) {
1033	my ($klass, @attach) = @$_;	1246	my ($klass, @attach) = @$_;
1034	_attach $registry, $klass, @attach;	1247	_attach $registry, $klass, @attach;
1035	}	1248	}
1036	} else {	1249	} else {
1037	warn "object uses attachment '$name' that is not available, postponing.\n";	1250	info "object uses attachment '$name' that is not available, postponing.\n";
1038	}	1251	}
1039	}	1252	}
1040	}	1253	}
1041		1254
1042	cf::attachable->attach (	1255	cf::attachable->attach (
1043	prio => -1000000,	1256	prio => -1000000,
1044	on_instantiate => sub {	1257	on_instantiate => sub {
1045	my ($obj, $data) = @_;	1258	my ($obj, $data) = @_;
1046		1259
1047	$data = from_json $data;	1260	$data = decode_json $data;
1048		1261
1049	for (@$data) {	1262	for (@$data) {
1050	my ($name, $args) = @$_;	1263	my ($name, $args) = @$_;
1051		1264
1052	$obj->attach ($name, %{$args || {} });	1265	$obj->attach ($name, %{$args || {} });
…		…
1069	my ($filename, $rdata, $objs) = @_;	1282	my ($filename, $rdata, $objs) = @_;
1070		1283
1071	sync_job {	1284	sync_job {
1072	if (length $$rdata) {	1285	if (length $$rdata) {
1073	utf8::decode (my $decname = $filename);	1286	utf8::decode (my $decname = $filename);
1074	warn sprintf "saving %s (%d,%d)\n",	1287	trace sprintf "saving %s (%d,%d)\n",
1075	$decname, length $$rdata, scalar @$objs;	1288	$decname, length $$rdata, scalar @$objs
		1289	if $VERBOSE_IO;
1076		1290
1077	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1291	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1078	chmod SAVE_MODE, $fh;	1292	aio_chmod $fh, SAVE_MODE;
1079	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1293	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1080	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	}
1081	close $fh;	1298	aio_close $fh;
1082		1299
1083	if (@$objs) {	1300	if (@$objs) {
1084	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) {
1085	chmod SAVE_MODE, $fh;	1302	aio_chmod $fh, SAVE_MODE;
1086	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1303	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1087	aio_write $fh, 0, (length $data), $data, 0;	1304	aio_write $fh, 0, (length $data), $data, 0;
1088	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	}
1089	close $fh;	1309	aio_close $fh;
1090	aio_rename "$filename.pst~", "$filename.pst";	1310	aio_rename "$filename.pst~", "$filename.pst";
1091	}	1311	}
1092	} else {	1312	} else {
1093	aio_unlink "$filename.pst";	1313	aio_unlink "$filename.pst";
1094	}	1314	}
1095		1315
1096	aio_rename "$filename~", $filename;	1316	aio_rename "$filename~", $filename;
		1317
		1318	$filename =~ s%/[^/]+$%%;
		1319	aio_pathsync $filename if $cf::USE_FSYNC;
1097	} else {	1320	} else {
1098	warn "FATAL: $filename~: $!\n";	1321	error "unable to save objects: $filename~: $!\n";
1099	}	1322	}
1100	} else {	1323	} else {
1101	aio_unlink $filename;	1324	aio_unlink $filename;
1102	aio_unlink "$filename.pst";	1325	aio_unlink "$filename.pst";
1103	}	1326	}
…		…
1127	my $st = eval { Coro::Storable::thaw $av };	1350	my $st = eval { Coro::Storable::thaw $av };
1128	$av = $st->{objs};	1351	$av = $st->{objs};
1129	}	1352	}
1130		1353
1131	utf8::decode (my $decname = $filename);	1354	utf8::decode (my $decname = $filename);
1132	warn sprintf "loading %s (%d,%d)\n",	1355	trace sprintf "loading %s (%d,%d)\n",
1133	$decname, length $data, scalar @{$av || []};	1356	$decname, length $data, scalar @{$av || []}
		1357	if $VERBOSE_IO;
1134		1358
1135	($data, $av)	1359	($data, $av)
1136	}	1360	}
1137		1361
1138	=head2 COMMAND CALLBACKS	1362	=head2 COMMAND CALLBACKS
…		…
1194	my ($name, $cb) = @_;	1418	my ($name, $cb) = @_;
1195		1419
1196	$EXTICMD{$name} = $cb;	1420	$EXTICMD{$name} = $cb;
1197	}	1421	}
1198		1422
		1423	use File::Glob ();
		1424
1199	cf::player->attach (	1425	cf::player->attach (
1200	on_command => sub {	1426	on_unknown_command => sub {
1201	my ($pl, $name, $params) = @_;	1427	my ($pl, $name, $params) = @_;
1202		1428
1203	my $cb = $COMMAND{$name}	1429	my $cb = $COMMAND{$name}
1204	or return;	1430	or return;
1205		1431
…		…
1228		1454
1229	$pl->ext_reply ($reply, @reply)	1455	$pl->ext_reply ($reply, @reply)
1230	if $reply;	1456	if $reply;
1231		1457
1232	} else {	1458	} else {
1233	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1459	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1234	}	1460	}
1235		1461
1236	cf::override;	1462	cf::override;
1237	},	1463	},
1238	);	1464	);
1239		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
1240	sub load_extensions {	1479	sub load_extensions {
		1480	info "loading extensions...";
		1481
1241	cf::sync_job {	1482	cf::sync_job {
1242	my %todo;	1483	my %todo;
1243		1484
1244	for my $path (<$LIBDIR/*.ext>) {	1485	for my $path (<$LIBDIR/*.ext>) {
1245	next unless -r $path;	1486	next unless -r $path;
…		…
1263		1504
1264	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1505	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1265	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1506	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1266		1507
1267	$ext{source} =	1508	$ext{source} =
1268	"package $pkg; use strict; use utf8;\n"	1509	"package $pkg; use common::sense;\n"
1269	. "#line 1 \"$path\"\n{\n"	1510	. "#line 1 \"$path\"\n{\n"
1270	. $source	1511	. $source
1271	. "\n};\n1";	1512	. "\n};\n1";
1272		1513
1273	$todo{$base} = \%ext;	1514	$todo{$base} = \%ext;
1274	}	1515	}
1275		1516
		1517	my $pass = 0;
1276	my %done;	1518	my %done;
1277	while (%todo) {	1519	while (%todo) {
1278	my $progress;	1520	my $progress;
1279		1521
		1522	++$pass;
		1523
		1524	ext:
1280	while (my ($k, $v) = each %todo) {	1525	while (my ($k, $v) = each %todo) {
1281	for (split /,\s*/, $v->{meta}{depends}) {	1526	for (split /,\s*/, $v->{meta}{depends}) {
1282	goto skip	1527	next ext
1283	unless exists $done{$_};	1528	unless exists $done{$_};
1284	}	1529	}
1285		1530
1286	warn "... loading '$k' into '$v->{pkg}'\n";	1531	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1287		1532
1288	unless (eval $v->{source}) {	1533	my $active = eval $v->{source};
		1534
		1535	if (length $@) {
1289	my $msg = $@ ? "$v->{path}: $@\n"	1536	error "$v->{path}: $@\n";
1290	: "$v->{base}: extension inactive.\n";
1291		1537
		1538	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1292	if (exists $v->{meta}{mandatory}) {	1539	if exists $v->{meta}{mandatory};
1293	warn $msg;	1540
1294	warn "mandatory extension failed to load, exiting.\n";	1541	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1295	exit 1;	1542	delete $todo{$k};
1296	}	1543	} else {
1297		1544	$done{$k} = delete $todo{$k};
1298	warn $msg;	1545	push @EXTS, $v->{pkg};
		1546	$progress = 1;
		1547
		1548	info "$v->{base}: extension inactive.\n"
		1549	unless $active;
1299	}	1550	}
1300
1301	$done{$k} = delete $todo{$k};
1302	push @EXTS, $v->{pkg};
1303	$progress = 1;
1304	}	1551	}
1305		1552
1306	skip:	1553	unless ($progress) {
1307	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1554	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1308	unless $progress;	1555
		1556	while (my ($k, $v) = each %todo) {
		1557	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1558	if exists $v->{meta}{mandatory};
		1559	}
		1560
		1561	last;
		1562	}
1309	}	1563	}
1310	};	1564	};
1311	}	1565	}
1312		1566
1313	#############################################################################	1567	#############################################################################
1314		1568
1315	=back	1569	=back
1316		1570
1317	=head2 CORE EXTENSIONS	1571	=head2 CORE EXTENSIONS
1318		1572
1319	Functions and methods that extend core crossfire objects.	1573	Functions and methods that extend core deliantra objects.
1320		1574
1321	=cut	1575	=cut
1322		1576
1323	package cf::player;	1577	package cf::player;
1324		1578
…		…
1367		1621
1368	sub exists($) {	1622	sub exists($) {
1369	my ($login) = @_;	1623	my ($login) = @_;
1370		1624
1371	$cf::PLAYER{$login}	1625	$cf::PLAYER{$login}
1372	or cf::sync_job { !aio_stat path $login }	1626	or !aio_stat path $login
1373	}	1627	}
1374		1628
1375	sub find($) {	1629	sub find($) {
1376	return $cf::PLAYER{$_[0]} || do {	1630	return $cf::PLAYER{$_[0]} || do {
1377	my $login = $_[0];	1631	my $login = $_[0];
…		…
1389	my $f = new_from_file cf::object::thawer path $login	1643	my $f = new_from_file cf::object::thawer path $login
1390	or return;	1644	or return;
1391		1645
1392	my $pl = cf::player::load_pl $f	1646	my $pl = cf::player::load_pl $f
1393	or return;	1647	or return;
		1648
1394	local $cf::PLAYER_LOADING{$login} = $pl;	1649	local $cf::PLAYER_LOADING{$login} = $pl;
1395	$f->resolve_delayed_derefs;	1650	$f->resolve_delayed_derefs;
1396	$cf::PLAYER{$login} = $pl	1651	$cf::PLAYER{$login} = $pl
1397	}	1652	}
1398	}	1653	}
1399	}	1654	}
1400		1655
		1656	cf::player->attach (
		1657	on_load => sub {
		1658	my ($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
1401	sub save($) {	1669	sub save($) {
1402	my ($pl) = @_;	1670	my ($pl) = @_;
1403		1671
1404	return if $pl->{deny_save};	1672	return if $pl->{deny_save};
1405		1673
…		…
1408		1676
1409	return if $pl->{deny_save};	1677	return if $pl->{deny_save};
1410		1678
1411	aio_mkdir playerdir $pl, 0770;	1679	aio_mkdir playerdir $pl, 0770;
1412	$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];
1413		1686
1414	$pl->save_pl ($path);	1687	$pl->save_pl ($path);
1415	cf::cede_to_tick;	1688	cf::cede_to_tick;
1416	}	1689	}
1417		1690
…		…
1449	my ($pl) = @_;	1722	my ($pl) = @_;
1450		1723
1451	my $name = $pl->ob->name;	1724	my $name = $pl->ob->name;
1452		1725
1453	$pl->{deny_save} = 1;	1726	$pl->{deny_save} = 1;
1454	$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
1455		1728
1456	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1729	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1457	$pl->deactivate;	1730	$pl->deactivate;
		1731
		1732	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1458	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1733	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1734	ext::highscore::check ($pl->ob);
		1735
1459	$pl->ns->destroy if $pl->ns;	1736	$pl->ns->destroy if $pl->ns;
1460		1737
1461	my $path = playerdir $pl;	1738	my $path = playerdir $pl;
1462	my $temp = "$path~$cf::RUNTIME~deleting~";	1739	my $temp = "$path~$cf::RUNTIME~deleting~";
1463	aio_rename $path, $temp;	1740	aio_rename $path, $temp;
…		…
1501		1778
1502	for my $login (@$dirs) {	1779	for my $login (@$dirs) {
1503	my $path = path $login;	1780	my $path = path $login;
1504		1781
1505	# a .pst is a dead give-away for a valid player	1782	# a .pst is a dead give-away for a valid player
1506	unless (-e "$path.pst") {	1783	# if no pst file found, open and chekc for blocked users
		1784	if (aio_stat "$path.pst") {
1507	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1785	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1508	aio_read $fh, 0, 512, my $buf, 0 or next;	1786	aio_read $fh, 0, 512, my $buf, 0 or next;
1509	$buf !~ /^password -------------$/m or next; # official not-valid tag	1787	$buf !~ /^password -------------$/m or next; # official not-valid tag
1510	}	1788	}
1511		1789
…		…
1515		1793
1516	\@logins	1794	\@logins
1517	}	1795	}
1518		1796
1519	=item $player->maps	1797	=item $player->maps
		1798
		1799	=item cf::player::maps $login
1520		1800
1521	Returns an arrayref of map paths that are private for this	1801	Returns an arrayref of map paths that are private for this
1522	player. May block.	1802	player. May block.
1523		1803
1524	=cut	1804	=cut
…		…
1542	}	1822	}
1543		1823
1544	\@paths	1824	\@paths
1545	}	1825	}
1546		1826
1547	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1827	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1548		1828
1549	Expand crossfire pod fragments into protocol xml.	1829	Expand deliantra pod fragments into protocol xml.
1550
1551	=cut
1552
1553	sub expand_cfpod {
1554	((my $self), (local $_)) = @_;
1555
1556	# escape & and <
1557	s/&/&amp;/g;
1558	s/(?<![BIUGHT])</&lt;/g;
1559
1560	# this is buggy, it needs to properly take care of nested <'s
1561
1562	1 while
1563	# replace B<>, I<>, U<> etc.
1564	s/B<([^\>]*)>/<b>$1<\/b>/
1565	|| s/I<([^\>]*)>/<i>$1<\/i>/
1566	|| s/U<([^\>]*)>/<u>$1<\/u>/
1567	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1568	# replace G<male|female> tags
1569	|| s{G<([^>|]*)\|([^>]*)>}{
1570	$self->gender ? $2 : $1
1571	}ge
1572	# replace H<hint text>
1573	|| s{H<([^\>]*)>}
1574	{
1575	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1576	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1577	"")
1578	[$self->{hintmode}]
1579	}ge;
1580
1581	# create single paragraphs (very hackish)
1582	s/(?<=\S)\n(?=\w)/ /g;
1583
1584	# compress some whitespace
1585	s/\s+\n/\n/g; # ws line-ends
1586	s/\n\n+/\n/g; # double lines
1587	s/^\n+//; # beginning lines
1588	s/\n+$//; # ending lines
1589
1590	$_
1591	}
1592
1593	sub hintmode {
1594	$_[0]{hintmode} = $_[1] if @_ > 1;
1595	$_[0]{hintmode}
1596	}
1597		1830
1598	=item $player->ext_reply ($msgid, @msg)	1831	=item $player->ext_reply ($msgid, @msg)
1599		1832
1600	Sends an ext reply to the player.	1833	Sends an ext reply to the player.
1601		1834
…		…
1633		1866
1634	=cut	1867	=cut
1635		1868
1636	sub find_by_path($) {	1869	sub find_by_path($) {
1637	my ($path) = @_;	1870	my ($path) = @_;
		1871
		1872	$path =~ s/^~[^\/]*//; # skip ~login
1638		1873
1639	my ($match, $specificity);	1874	my ($match, $specificity);
1640		1875
1641	for my $region (list) {	1876	for my $region (list) {
1642	if ($region->{match} && $path =~ $region->{match}) {	1877	if ($region->{match} && $path =~ $region->{match}) {
…		…
1668	our $MAX_RESET = 3600;	1903	our $MAX_RESET = 3600;
1669	our $DEFAULT_RESET = 3000;	1904	our $DEFAULT_RESET = 3000;
1670		1905
1671	sub generate_random_map {	1906	sub generate_random_map {
1672	my ($self, $rmp) = @_;	1907	my ($self, $rmp) = @_;
1673	# mit "rum" bekleckern, nicht	1908
		1909	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1910
1674	$self->_create_random_map (	1911	$self->_create_random_map ($rmp);
1675	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1676	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1677	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1678	$rmp->{exit_on_final_map},
1679	$rmp->{xsize}, $rmp->{ysize},
1680	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1681	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1682	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1683	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1684	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1685	(cf::region::find $rmp->{region}), $rmp->{custom}
1686	)
1687	}	1912	}
1688		1913
1689	=item cf::map->register ($regex, $prio)	1914	=item cf::map->register ($regex, $prio)
1690		1915
1691	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
…		…
1696		1921
1697	sub register {	1922	sub register {
1698	my (undef, $regex, $prio) = @_;	1923	my (undef, $regex, $prio) = @_;
1699	my $pkg = caller;	1924	my $pkg = caller;
1700		1925
1701	no strict;
1702	push @{"$pkg\::ISA"}, __PACKAGE__;	1926	push @{"$pkg\::ISA"}, __PACKAGE__;
1703		1927
1704	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1928	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1705	}	1929	}
1706		1930
1707	# also paths starting with '/'	1931	# also paths starting with '/'
1708	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1932	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1709		1933
1710	sub thawer_merge {	1934	sub thawer_merge {
1711	my ($self, $merge) = @_;	1935	my ($self, $merge) = @_;
1712		1936
1713	# we have to keep some variables in memory intact	1937	# we have to keep some variables in memory intact
…		…
1718	}	1942	}
1719		1943
1720	sub normalise {	1944	sub normalise {
1721	my ($path, $base) = @_;	1945	my ($path, $base) = @_;
1722		1946
1723	$path = "$path"; # make sure its a string	1947	$path = "$path"; # make sure it's a string
1724		1948
1725	$path =~ s/\.map$//;	1949	$path =~ s/\.map$//;
1726		1950
1727	# map plan:	1951	# map plan:
1728	#	1952	#
…		…
1743	$base =~ s{[^/]+/?$}{};	1967	$base =~ s{[^/]+/?$}{};
1744	$path = "$base/$path";	1968	$path = "$base/$path";
1745	}	1969	}
1746		1970
1747	for ($path) {	1971	for ($path) {
1748	redo if s{//}{/};
1749	redo if s{/\.?/}{/};	1972	redo if s{/\.?/}{/};
1750	redo if s{/[^/]+/\.\./}{/};	1973	redo if s{/[^/]+/\.\./}{/};
1751	}	1974	}
1752		1975
1753	$path	1976	$path
…		…
1767	$self->init; # pass $1 etc.	1990	$self->init; # pass $1 etc.
1768	return $self;	1991	return $self;
1769	}	1992	}
1770	}	1993	}
1771		1994
1772	Carp::cluck "unable to resolve path '$path' (base '$base').";	1995	Carp::cluck "unable to resolve path '$path' (base '$base')";
1773	()	1996	()
1774	}	1997	}
1775		1998
		1999	# may re-bless or do other evil things
1776	sub init {	2000	sub init {
1777	my ($self) = @_;	2001	my ($self) = @_;
1778		2002
1779	$self	2003	$self
1780	}	2004	}
…		…
1799		2023
1800	# the temporary/swap location	2024	# the temporary/swap location
1801	sub save_path {	2025	sub save_path {
1802	my ($self) = @_;	2026	my ($self) = @_;
1803		2027
1804	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2028	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1805	"$TMPDIR/$path.map"	2029	"$TMPDIR/$path.map"
1806	}	2030	}
1807		2031
1808	# the unique path, undef == no special unique path	2032	# the unique path, undef == no special unique path
1809	sub uniq_path {	2033	sub uniq_path {
1810	my ($self) = @_;	2034	my ($self) = @_;
1811		2035
1812	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2036	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1813	"$UNIQUEDIR/$path"	2037	"$UNIQUEDIR/$path"
1814	}
1815
1816	# and all this just because we cannot iterate over
1817	# all maps in C++...
1818	sub change_all_map_light {
1819	my ($change) = @_;
1820
1821	$_->change_map_light ($change)
1822	for grep $_->outdoor, values %cf::MAP;
1823	}	2038	}
1824		2039
1825	sub decay_objects {	2040	sub decay_objects {
1826	my ($self) = @_;	2041	my ($self) = @_;
1827		2042
…		…
1854	$self->{load_path} = $path;	2069	$self->{load_path} = $path;
1855		2070
1856	1	2071	1
1857	}	2072	}
1858		2073
		2074	# used to laod the header of an original map
1859	sub load_header_orig {	2075	sub load_header_orig {
1860	my ($self) = @_;	2076	my ($self) = @_;
1861		2077
1862	$self->load_header_from ($self->load_path)	2078	$self->load_header_from ($self->load_path)
1863	}	2079	}
1864		2080
		2081	# used to laod the header of an instantiated map
1865	sub load_header_temp {	2082	sub load_header_temp {
1866	my ($self) = @_;	2083	my ($self) = @_;
1867		2084
1868	$self->load_header_from ($self->save_path)	2085	$self->load_header_from ($self->save_path)
1869	}	2086	}
1870		2087
		2088	# called after loading the header from an instantiated map
1871	sub prepare_temp {	2089	sub prepare_temp {
1872	my ($self) = @_;	2090	my ($self) = @_;
1873		2091
1874	$self->last_access ((delete $self->{last_access})	2092	$self->last_access ((delete $self->{last_access})
1875	|| $cf::RUNTIME); #d#	2093	|| $cf::RUNTIME); #d#
1876	# safety	2094	# safety
1877	$self->{instantiate_time} = $cf::RUNTIME	2095	$self->{instantiate_time} = $cf::RUNTIME
1878	if $self->{instantiate_time} > $cf::RUNTIME;	2096	if $self->{instantiate_time} > $cf::RUNTIME;
1879	}	2097	}
1880		2098
		2099	# called after loading the header from an original map
1881	sub prepare_orig {	2100	sub prepare_orig {
1882	my ($self) = @_;	2101	my ($self) = @_;
1883		2102
1884	$self->{load_original} = 1;	2103	$self->{load_original} = 1;
1885	$self->{instantiate_time} = $cf::RUNTIME;	2104	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1909		2128
1910	sub find;	2129	sub find;
1911	sub find {	2130	sub find {
1912	my ($path, $origin) = @_;	2131	my ($path, $origin) = @_;
1913		2132
		2133	cf::cede_to_tick;
		2134
1914	$path = normalise $path, $origin && $origin->path;	2135	$path = normalise $path, $origin;
1915		2136
1916	cf::lock_wait "map_data:$path";#d#remove	2137	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1917	cf::lock_wait "map_find:$path";	2138	my $guard2 = cf::lock_acquire "map_find:$path";
1918		2139
1919	$cf::MAP{$path} || do {	2140	$cf::MAP{$path} || do {
1920	my $guard1 = cf::lock_acquire "map_find:$path";
1921	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1922
1923	my $map = new_from_path cf::map $path	2141	my $map = new_from_path cf::map $path
1924	or return;	2142	or return;
1925		2143
1926	$map->{last_save} = $cf::RUNTIME;	2144	$map->{last_save} = $cf::RUNTIME;
1927		2145
…		…
1929	or return;	2147	or return;
1930		2148
1931	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2149	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1932	# doing this can freeze the server in a sync job, obviously	2150	# doing this can freeze the server in a sync job, obviously
1933	#$cf::WAIT_FOR_TICK->wait;	2151	#$cf::WAIT_FOR_TICK->wait;
		2152	undef $guard2;
1934	undef $guard1;	2153	undef $guard1;
1935	undef $guard2;
1936	$map->reset;	2154	$map->reset;
1937	return find $path;	2155	return find $path;
1938	}	2156	}
1939		2157
1940	$cf::MAP{$path} = $map	2158	$cf::MAP{$path} = $map
1941	}	2159	}
1942	}	2160	}
1943		2161
1944	sub pre_load { }	2162	sub pre_load { }
1945	sub post_load { }	2163	#sub post_load { } # XS
1946		2164
1947	sub load {	2165	sub load {
1948	my ($self) = @_;	2166	my ($self) = @_;
1949		2167
1950	local $self->{deny_reset} = 1; # loading can take a long time	2168	local $self->{deny_reset} = 1; # loading can take a long time
…		…
1962	$self->alloc;	2180	$self->alloc;
1963		2181
1964	$self->pre_load;	2182	$self->pre_load;
1965	cf::cede_to_tick;	2183	cf::cede_to_tick;
1966		2184
		2185	if (exists $self->{load_path}) {
1967	my $f = new_from_file cf::object::thawer $self->{load_path};	2186	my $f = new_from_file cf::object::thawer $self->{load_path};
1968	$f->skip_block;	2187	$f->skip_block;
1969	$self->_load_objects ($f)	2188	$self->_load_objects ($f)
1970	or return;	2189	or return;
1971		2190
1972	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2191	$self->post_load_original
1973	if delete $self->{load_original};	2192	if delete $self->{load_original};
1974		2193
1975	if (my $uniq = $self->uniq_path) {	2194	if (my $uniq = $self->uniq_path) {
1976	utf8::encode $uniq;	2195	utf8::encode $uniq;
1977	unless (aio_stat $uniq) {	2196	unless (aio_stat $uniq) {
1978	if (my $f = new_from_file cf::object::thawer $uniq) {	2197	if (my $f = new_from_file cf::object::thawer $uniq) {
1979	$self->clear_unique_items;	2198	$self->clear_unique_items;
1980	$self->_load_objects ($f);	2199	$self->_load_objects ($f);
1981	$f->resolve_delayed_derefs;	2200	$f->resolve_delayed_derefs;
		2201	}
1982	}	2202	}
1983	}	2203	}
1984	}
1985		2204
1986	$f->resolve_delayed_derefs;	2205	$f->resolve_delayed_derefs;
		2206	} else {
		2207	$self->post_load_original
		2208	if delete $self->{load_original};
		2209	}
1987		2210
1988	cf::cede_to_tick;	2211	cf::cede_to_tick;
1989	# now do the right thing for maps	2212	# now do the right thing for maps
1990	$self->link_multipart_objects;	2213	$self->link_multipart_objects;
1991	$self->difficulty ($self->estimate_difficulty)	2214	$self->difficulty ($self->estimate_difficulty)
…		…
1995	unless ($self->{deny_activate}) {	2218	unless ($self->{deny_activate}) {
1996	$self->decay_objects;	2219	$self->decay_objects;
1997	$self->fix_auto_apply;	2220	$self->fix_auto_apply;
1998	$self->update_buttons;	2221	$self->update_buttons;
1999	cf::cede_to_tick;	2222	cf::cede_to_tick;
2000	$self->set_darkness_map;	2223	#$self->activate; # no longer activate maps automatically
2001	cf::cede_to_tick;
2002	$self->activate;
2003	}	2224	}
2004		2225
2005	$self->{last_save} = $cf::RUNTIME;	2226	$self->{last_save} = $cf::RUNTIME;
2006	$self->last_access ($cf::RUNTIME);	2227	$self->last_access ($cf::RUNTIME);
2007		2228
2008	$self->in_memory (cf::MAP_IN_MEMORY);	2229	$self->in_memory (cf::MAP_ACTIVE);
2009	}	2230	}
2010		2231
2011	$self->post_load;	2232	$self->post_load;
2012	}
2013		2233
		2234	1
		2235	}
		2236
		2237	# customize the map for a given player, i.e.
		2238	# return the _real_ map. used by e.g. per-player
		2239	# maps to change the path to ~playername/mappath
2014	sub customise_for {	2240	sub customise_for {
2015	my ($self, $ob) = @_;	2241	my ($self, $ob) = @_;
2016		2242
2017	return find "~" . $ob->name . "/" . $self->{path}	2243	return find "~" . $ob->name . "/" . $self->{path}
2018	if $self->per_player;	2244	if $self->per_player;
…		…
2034	or next;	2260	or next;
2035	$neigh = find $neigh, $map	2261	$neigh = find $neigh, $map
2036	or next;	2262	or next;
2037	$neigh->load;	2263	$neigh->load;
2038		2264
		2265	# now find the diagonal neighbours
2039	push @neigh,	2266	push @neigh,
2040	[$neigh->tile_path (($_ + 3) % 4), $neigh],	2267	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2041	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2268	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2042	}	2269	}
2043		2270
…		…
2050	}	2277	}
2051		2278
2052	sub find_sync {	2279	sub find_sync {
2053	my ($path, $origin) = @_;	2280	my ($path, $origin) = @_;
2054		2281
2055	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, $origin
2056	}	2286	}
2057		2287
2058	sub do_load_sync {	2288	sub do_load_sync {
2059	my ($map) = @_;	2289	my ($map) = @_;
2060		2290
2061	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2291	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2062	if $Coro::current == $Coro::main;	2292	if $Coro::current == $Coro::main;
2063		2293
2064	cf::sync_job { $map->load };	2294	$map->load;
2065	}	2295	}
2066		2296
2067	our %MAP_PREFETCH;	2297	our %MAP_PREFETCH;
2068	our $MAP_PREFETCHER = undef;	2298	our $MAP_PREFETCHER = undef;
2069		2299
2070	sub find_async {	2300	sub find_async {
2071	my ($path, $origin, $load) = @_;	2301	my ($path, $origin, $load) = @_;
2072		2302
2073	$path = normalise $path, $origin && $origin->{path};	2303	$path = normalise $path, $origin;
2074		2304
2075	if (my $map = $cf::MAP{$path}) {	2305	if (my $map = $cf::MAP{$path}) {
2076	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2306	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2077	}	2307	}
2078		2308
2079	$MAP_PREFETCH{$path} |= $load;	2309	$MAP_PREFETCH{$path} |= $load;
2080		2310
2081	$MAP_PREFETCHER ||= cf::async {	2311	$MAP_PREFETCHER ||= cf::async {
…		…
2095	$MAP_PREFETCHER->prio (6);	2325	$MAP_PREFETCHER->prio (6);
2096		2326
2097	()	2327	()
2098	}	2328	}
2099		2329
		2330	# common code, used by both ->save and ->swapout
2100	sub save {	2331	sub _save {
2101	my ($self) = @_;	2332	my ($self) = @_;
2102
2103	my $lock = cf::lock_acquire "map_data:$self->{path}";
2104		2333
2105	$self->{last_save} = $cf::RUNTIME;	2334	$self->{last_save} = $cf::RUNTIME;
2106		2335
2107	return unless $self->dirty;	2336	return unless $self->dirty;
2108		2337
…		…
2117		2346
2118	cf::async {	2347	cf::async {
2119	$Coro::current->{desc} = "map player save";	2348	$Coro::current->{desc} = "map player save";
2120	$_->contr->save for $self->players;	2349	$_->contr->save for $self->players;
2121	};	2350	};
		2351
		2352	cf::get_slot 0.02;
2122		2353
2123	if ($uniq) {	2354	if ($uniq) {
2124	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2355	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2125	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2356	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2126	} else {	2357	} else {
2127	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2358	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2128	}	2359	}
2129	}	2360	}
2130		2361
		2362	sub save {
		2363	my ($self) = @_;
		2364
		2365	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2366
		2367	$self->_save;
		2368	}
		2369
2131	sub swap_out {	2370	sub swap_out {
2132	my ($self) = @_;	2371	my ($self) = @_;
2133		2372
2134	# save first because save cedes
2135	$self->save;
2136
2137	my $lock = cf::lock_acquire "map_data:$self->{path}";	2373	my $lock = cf::lock_acquire "map_data:$self->{path}";
2138		2374
		2375	return if $self->in_memory != cf::MAP_ACTIVE;
		2376	return if $self->{deny_save};
2139	return if $self->players;	2377	return if $self->players;
2140	return if $self->in_memory != cf::MAP_IN_MEMORY;
2141	return if $self->{deny_save};
2142		2378
		2379	# first deactivate the map and "unlink" it from the core
		2380	$self->deactivate;
		2381	$_->clear_links_to ($self) for values %cf::MAP;
2143	$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};
2144		2429
2145	$self->deactivate;	2430	$self->deactivate;
2146	$_->clear_links_to ($self) for values %cf::MAP;	2431	$_->clear_links_to ($self) for values %cf::MAP;
2147	$self->clear;	2432	$self->clear;
2148	}
2149
2150	sub reset_at {
2151	my ($self) = @_;
2152
2153	# TODO: safety, remove and allow resettable per-player maps
2154	return 1e99 if $self->{deny_reset};
2155
2156	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2157	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2158
2159	$time + $to
2160	}
2161
2162	sub should_reset {
2163	my ($self) = @_;
2164
2165	$self->reset_at <= $cf::RUNTIME
2166	}
2167
2168	sub reset {
2169	my ($self) = @_;
2170
2171	my $lock = cf::lock_acquire "map_data:$self->{path}";
2172
2173	return if $self->players;
2174
2175	warn "resetting map ", $self->path;
2176
2177	$self->in_memory (cf::MAP_SWAPPED);
2178
2179	# need to save uniques path
2180	unless ($self->{deny_save}) {
2181	my $uniq = $self->uniq_path; utf8::encode $uniq;
2182
2183	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2184	if $uniq;
2185	}
2186
2187	delete $cf::MAP{$self->path};
2188
2189	$self->deactivate;
2190	$_->clear_links_to ($self) for values %cf::MAP;
2191	$self->clear;
2192		2433
2193	$self->unlink_save;	2434	$self->unlink_save;
2194	$self->destroy;	2435	$self->destroy;
2195	}	2436	}
2196		2437
…		…
2204		2445
2205	delete $cf::MAP{$self->path};	2446	delete $cf::MAP{$self->path};
2206		2447
2207	$self->unlink_save;	2448	$self->unlink_save;
2208		2449
2209	bless $self, "cf::map";	2450	bless $self, "cf::map::wrap";
2210	delete $self->{deny_reset};	2451	delete $self->{deny_reset};
2211	$self->{deny_save} = 1;	2452	$self->{deny_save} = 1;
2212	$self->reset_timeout (1);	2453	$self->reset_timeout (1);
2213	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2454	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2214		2455
…		…
2263		2504
2264	sub unique_maps() {	2505	sub unique_maps() {
2265	[	2506	[
2266	map {	2507	map {
2267	utf8::decode $_;	2508	utf8::decode $_;
2268	/\.map$/	2509	s/\.map$//; # TODO future compatibility hack
		2510	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2511	? ()
2269	? normalise $_	2512	: normalise $_
2270	: ()
2271	} @{ aio_readdir $UNIQUEDIR or [] }	2513	} @{ aio_readdir $UNIQUEDIR or [] }
2272	]	2514	]
2273	}	2515	}
2274		2516
2275	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	}
2276		2548
2277	=back	2549	=back
2278		2550
2279	=head3 cf::object	2551	=head3 cf::object
2280		2552
…		…
2284		2556
2285	=over 4	2557	=over 4
2286		2558
2287	=item $ob->inv_recursive	2559	=item $ob->inv_recursive
2288		2560
2289	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.
2290		2563
2291	=cut	2564	=cut
2292		2565
2293	sub inv_recursive_;	2566	sub inv_recursive_;
2294	sub inv_recursive_ {	2567	sub inv_recursive_ {
…		…
2299	inv_recursive_ inv $_[0]	2572	inv_recursive_ inv $_[0]
2300	}	2573	}
2301		2574
2302	=item $ref = $ob->ref	2575	=item $ref = $ob->ref
2303		2576
2304	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.
2305		2578
2306	=item $ob = cf::object::deref ($refstring)	2579	=item $ob = cf::object::deref ($refstring)
2307		2580
2308	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,
2309	even if the object actually exists. May block.	2582	even if the object actually exists. May block.
…		…
2341	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
2342	dialogue with the given NPC character.	2615	dialogue with the given NPC character.
2343		2616
2344	=cut	2617	=cut
2345		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
2346	# rough implementation of a future "reply" method that works	2633	# rough implementation of a future "reply" method that works
2347	# with dialog boxes.	2634	# with dialog boxes.
2348	#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
2349	sub cf::object::player::reply($$$;$) {	2636	sub cf::object::player::reply($$$;$) {
2350	my ($self, $npc, $msg, $flags) = @_;	2637	my ($self, $npc, $msg, $flags) = @_;
…		…
2361	my $dialog = $pl->{npc_dialog};	2648	my $dialog = $pl->{npc_dialog};
2362	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2649	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2363		2650
2364	} else {	2651	} else {
2365	$msg = $npc->name . " says: $msg" if $npc;	2652	$msg = $npc->name . " says: $msg" if $npc;
2366	$self->message ($msg, $flags);	2653	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2367	}	2654	}
2368	}	2655	}
2369	}	2656	}
2370		2657
2371	=item $object->send_msg ($channel, $msg, $color, [extra...])	2658	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2396		2683
2397	=item $player_object->enter_link	2684	=item $player_object->enter_link
2398		2685
2399	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}>).
2400		2687
2401	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.
2402	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.
2403		2692
2404	Will never block.	2693	Will never block.
2405		2694
2406	=item $player_object->leave_link ($map, $x, $y)	2695	=item $player_object->leave_link ($map, $x, $y)
2407		2696
…		…
2427	sub cf::object::player::enter_link {	2716	sub cf::object::player::enter_link {
2428	my ($self) = @_;	2717	my ($self) = @_;
2429		2718
2430	$self->deactivate_recursive;	2719	$self->deactivate_recursive;
2431		2720
		2721	++$self->{_link_recursion};
		2722
2432	return if UNIVERSAL::isa $self->map, "ext::map_link";	2723	return if UNIVERSAL::isa $self->map, "ext::map_link";
2433		2724
2434	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2725	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2435	if $self->map && $self->map->{path} ne "{link}";	2726	if $self->map && $self->map->{path} ne "{link}";
2436		2727
2437	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2728	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2438	}	2729	}
2439		2730
2440	sub cf::object::player::leave_link {	2731	sub cf::object::player::leave_link {
2441	my ($self, $map, $x, $y) = @_;	2732	my ($self, $map, $x, $y) = @_;
2442		2733
…		…
2459	($x, $y) = (-1, -1)	2750	($x, $y) = (-1, -1)
2460	unless (defined $x) && (defined $y);	2751	unless (defined $x) && (defined $y);
2461		2752
2462	# use -1 or undef as default coordinates, not 0, 0	2753	# use -1 or undef as default coordinates, not 0, 0
2463	($x, $y) = ($map->enter_x, $map->enter_y)	2754	($x, $y) = ($map->enter_x, $map->enter_y)
2464	if $x <=0 && $y <= 0;	2755	if $x <= 0 && $y <= 0;
2465		2756
2466	$map->load;	2757	$map->load;
2467	$map->load_neighbours;	2758	$map->load_neighbours;
2468		2759
2469	return unless $self->contr->active;	2760	return unless $self->contr->active;
2470	$self->activate_recursive;
2471		2761
2472	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2762	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2473	$self->enter_map ($map, $x, $y);	2763	if ($self->enter_map ($map, $x, $y)) {
2474	}	2764	# entering was successful
		2765	delete $self->{_link_recursion};
		2766	# only activate afterwards, to support waiting in hooks
		2767	$self->activate_recursive;
		2768	}
2475		2769
		2770	}
		2771
2476	=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)]])
2477		2773
2478	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
2479	her, loading and preparing them map, calling the provided $check callback	2775	her, loading and preparing them map, calling the provided $check callback
2480	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
2481	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
2482	be called at the end of this process.	2778	be called at the end of this process.
2483		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
2484	=cut	2783	=cut
2485		2784
2486	our $GOTOGEN;	2785	our $GOTOGEN;
2487		2786
2488	sub cf::object::player::goto {	2787	sub cf::object::player::goto {
2489	my ($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	}
2490		2795
2491	# 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
2492	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2797	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2493		2798
2494	$self->enter_link;	2799	$self->enter_link;
…		…
2514	($path, $x, $y) = (undef, undef, undef);	2819	($path, $x, $y) = (undef, undef, undef);
2515	}	2820	}
2516	}	2821	}
2517		2822
2518	my $map = eval {	2823	my $map = eval {
2519	my $map = defined $path ? cf::map::find $path : undef;	2824	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2520		2825
2521	if ($map) {	2826	if ($map) {
2522	$map = $map->customise_for ($self);	2827	$map = $map->customise_for ($self);
2523	$map = $check->($map) if $check && $map;	2828	$map = $check->($map, $x, $y, $self) if $check && $map;
2524	} else {	2829	} else {
2525	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2830	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2526	}	2831	}
2527		2832
2528	$map	2833	$map
…		…
2536	if ($gen == $self->{_goto_generation}) {	2841	if ($gen == $self->{_goto_generation}) {
2537	delete $self->{_goto_generation};	2842	delete $self->{_goto_generation};
2538	$self->leave_link ($map, $x, $y);	2843	$self->leave_link ($map, $x, $y);
2539	}	2844	}
2540		2845
2541	$done->() if $done;	2846	$done->($self) if $done;
2542	})->prio (1);	2847	})->prio (1);
2543	}	2848	}
2544		2849
2545	=item $player_object->enter_exit ($exit_object)	2850	=item $player_object->enter_exit ($exit_object)
2546		2851
…		…
2566	}	2871	}
2567		2872
2568	sub prepare_random_map {	2873	sub prepare_random_map {
2569	my ($exit) = @_;	2874	my ($exit) = @_;
2570		2875
2571	my $guard = cf::lock_acquire "exit_prepare:$exit";
2572
2573	# all this does is basically replace the /! path by	2876	# all this does is basically replace the /! path by
2574	# a new random map path (?random/...) with a seed	2877	# a new random map path (?random/...) with a seed
2575	# that depends on the exit object	2878	# that depends on the exit object
2576		2879
2577	my $rmp = parse_random_map_params $exit->msg;	2880	my $rmp = parse_random_map_params $exit->msg;
…		…
2579	if ($exit->map) {	2882	if ($exit->map) {
2580	$rmp->{region} = $exit->region->name;	2883	$rmp->{region} = $exit->region->name;
2581	$rmp->{origin_map} = $exit->map->path;	2884	$rmp->{origin_map} = $exit->map->path;
2582	$rmp->{origin_x} = $exit->x;	2885	$rmp->{origin_x} = $exit->x;
2583	$rmp->{origin_y} = $exit->y;	2886	$rmp->{origin_y} = $exit->y;
		2887
		2888	$exit->map->touch;
2584	}	2889	}
2585		2890
2586	$rmp->{random_seed} ||= $exit->random_seed;	2891	$rmp->{random_seed} ||= $exit->random_seed;
2587		2892
2588	my $data = cf::to_json $rmp;	2893	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2589	my $md5 = Digest::MD5::md5_hex $data;	2894	my $md5 = Digest::MD5::md5_hex $data;
2590	my $meta = "$RANDOMDIR/$md5.meta";	2895	my $meta = "$RANDOMDIR/$md5.meta";
2591		2896
2592	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2897	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2593	aio_write $fh, 0, (length $data), $data, 0;	2898	aio_write $fh, 0, (length $data), $data, 0;
2594	undef $fh;	2899	undef $fh;
2595	aio_rename "$meta~", $meta;	2900	aio_rename "$meta~", $meta;
2596		2901
		2902	my $slaying = "?random/$md5";
		2903
		2904	if ($exit->valid) {
2597	$exit->slaying ("?random/$md5");	2905	$exit->slaying ("?random/$md5");
2598	$exit->msg (undef);	2906	$exit->msg (undef);
		2907	}
2599	}	2908	}
2600	}	2909	}
2601		2910
2602	sub cf::object::player::enter_exit {	2911	sub cf::object::player::enter_exit {
2603	my ($self, $exit) = @_;	2912	my ($self, $exit) = @_;
2604		2913
2605	return unless $self->type == cf::PLAYER;	2914	return unless $self->type == cf::PLAYER;
2606		2915
2607	if ($exit->slaying eq "/!") {
2608	#TODO: this should de-fi-ni-te-ly not be a sync-job
2609	# the problem is that $exit might not survive long enough
2610	# so it needs to be done right now, right here
2611	cf::sync_job { prepare_random_map $exit };
2612	}
2613
2614	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2615	my $hp = $exit->stats->hp;
2616	my $sp = $exit->stats->sp;
2617
2618	$self->enter_link;	2916	$self->enter_link;
2619		2917
2620	# if exit is damned, update players death & WoR home-position
2621	$self->contr->savebed ($slaying, $hp, $sp)
2622	if $exit->flag (FLAG_DAMNED);
2623
2624	(async {	2918	(async {
2625	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2919	$Coro::current->{desc} = "enter_exit";
2626		2920
2627	$self->deactivate_recursive; # just to be sure
2628	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
2629	$self->goto ($slaying, $hp, $sp);	2949	$self->goto ($map, $x, $y);
2630		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
2631	1;	2955	1
2632	}) {	2956	}) {
2633	$self->message ("Something went wrong deep within the crossfire server. "	2957	$self->message ("Something went wrong deep within the deliantra server. "
2634	. "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. "
2635	. "Please report this to the dungeon master!",	2959	. "Please report this to the dungeon master!",
2636	cf::NDI_UNIQUE | cf::NDI_RED);	2960	cf::NDI_UNIQUE | cf::NDI_RED);
2637		2961
2638	warn "ERROR in enter_exit: $@";	2962	error "ERROR in enter_exit: $@";
2639	$self->leave_link;	2963	$self->leave_link;
2640	}	2964	}
2641	})->prio (1);	2965	})->prio (1);
2642	}	2966	}
2643		2967
…		…
2655	sub cf::client::send_drawinfo {	2979	sub cf::client::send_drawinfo {
2656	my ($self, $text, $flags) = @_;	2980	my ($self, $text, $flags) = @_;
2657		2981
2658	utf8::encode $text;	2982	utf8::encode $text;
2659	$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);
2660	}	3009	}
2661		3010
2662	=item $client->send_msg ($channel, $msg, $color, [extra...])	3011	=item $client->send_msg ($channel, $msg, $color, [extra...])
2663		3012
2664	Send a drawinfo or msg packet to the client, formatting the msg for the	3013	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2666	the message, with C<log> being the default. If C<$color> is negative, suppress	3015	the message, with C<log> being the default. If C<$color> is negative, suppress
2667	the message unless the client supports the msg packet.	3016	the message unless the client supports the msg packet.
2668		3017
2669	=cut	3018	=cut
2670		3019
		3020	# non-persistent channels (usually the info channel)
2671	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	},
2672	"c/identify" => {	3028	"c/identify" => {
2673	id => "infobox",	3029	id => "infobox",
2674	title => "Identify",	3030	title => "Identify",
2675	reply => undef,	3031	reply => undef,
2676	tooltip => "Items recently identified",	3032	tooltip => "Items recently identified",
…		…
2678	"c/examine" => {	3034	"c/examine" => {
2679	id => "infobox",	3035	id => "infobox",
2680	title => "Examine",	3036	title => "Examine",
2681	reply => undef,	3037	reply => undef,
2682	tooltip => "Signs and other items you examined",	3038	tooltip => "Signs and other items you examined",
		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",
2683	},	3045	},
2684	"c/book" => {	3046	"c/book" => {
2685	id => "infobox",	3047	id => "infobox",
2686	title => "Book",	3048	title => "Book",
2687	reply => undef,	3049	reply => undef,
…		…
2691	id => "infobox",	3053	id => "infobox",
2692	title => "Look",	3054	title => "Look",
2693	reply => undef,	3055	reply => undef,
2694	tooltip => "What you saw there",	3056	tooltip => "What you saw there",
2695	},	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" => $CHAT_CHANNEL,
2696	);	3132	);
2697		3133
2698	sub cf::client::send_msg {	3134	sub cf::client::send_msg {
2699	my ($self, $channel, $msg, $color, @extra) = @_;	3135	my ($self, $channel, $msg, $color, @extra) = @_;
2700		3136
2701	$msg = $self->pl->expand_cfpod ($msg);	3137	$msg = $self->pl->expand_cfpod ($msg)
		3138	unless $color & cf::NDI_VERBATIM;
2702		3139
2703	$color &= cf::NDI_CLIENT_MASK; # just in case...	3140	$color &= cf::NDI_CLIENT_MASK; # just in case...
2704		3141
2705	# check predefined channels, for the benefit of C	3142	# check predefined channels, for the benefit of C
2706	if ($CHANNEL{$channel}) {	3143	if ($CHANNEL{$channel}) {
2707	$channel = $CHANNEL{$channel};	3144	$channel = $CHANNEL{$channel};
2708		3145
2709	$self->ext_msg (channel_info => $channel)	3146	$self->ext_msg (channel_info => $channel);
2710	if $self->can_msg;
2711
2712	$channel = $channel->{id};	3147	$channel = $channel->{id};
2713		3148
2714	} elsif (ref $channel) {	3149	} elsif (ref $channel) {
2715	# send meta info to client, if not yet sent	3150	# send meta info to client, if not yet sent
2716	unless (exists $self->{channel}{$channel->{id}}) {	3151	unless (exists $self->{channel}{$channel->{id}}) {
2717	$self->{channel}{$channel->{id}} = $channel;	3152	$self->{channel}{$channel->{id}} = $channel;
2718	$self->ext_msg (channel_info => $channel)	3153	$self->ext_msg (channel_info => $channel);
2719	if $self->can_msg;
2720	}	3154	}
2721		3155
2722	$channel = $channel->{id};	3156	$channel = $channel->{id};
2723	}	3157	}
2724		3158
2725	return unless @extra || length $msg;	3159	return unless @extra || length $msg;
2726		3160
2727	if ($self->can_msg) {
2728	# default colour, mask it out	3161	# default colour, mask it out
2729	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3162	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2730	if $color & cf::NDI_DEF;	3163	if $color & cf::NDI_DEF;
2731		3164
2732	$self->send_packet ("msg " . $self->{json_coder}->encode (	3165	my $pkt = "msg "
		3166	. $self->{json_coder}->encode (
2733	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3167	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2734	} else {	3168	);
2735	if ($color >= 0) {
2736	# replace some tags by gcfclient-compatible ones
2737	for ($msg) {
2738	1 while
2739	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2740	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2741	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2742	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2743	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2744	}
2745		3169
2746	$color &= cf::NDI_COLOR_MASK;	3170	$self->send_big_packet ($pkt);
2747
2748	utf8::encode $msg;
2749
2750	if (0 && $msg =~ /\[/) {
2751	# COMMAND/INFO
2752	$self->send_packet ("drawextinfo $color 10 8 $msg")
2753	} else {
2754	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2755	$self->send_packet ("drawinfo $color $msg")
2756	}
2757	}
2758	}
2759	}	3171	}
2760		3172
2761	=item $client->ext_msg ($type, @msg)	3173	=item $client->ext_msg ($type, @msg)
2762		3174
2763	Sends an ext event to the client.	3175	Sends an ext event to the client.
…		…
2766		3178
2767	sub cf::client::ext_msg($$@) {	3179	sub cf::client::ext_msg($$@) {
2768	my ($self, $type, @msg) = @_;	3180	my ($self, $type, @msg) = @_;
2769		3181
2770	if ($self->extcmd == 2) {	3182	if ($self->extcmd == 2) {
2771	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3183	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2772	} elsif ($self->extcmd == 1) { # TODO: remove	3184	} elsif ($self->extcmd == 1) { # TODO: remove
2773	push @msg, msgtype => "event_$type";	3185	push @msg, msgtype => "event_$type";
2774	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3186	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2775	}	3187	}
2776	}	3188	}
2777		3189
2778	=item $client->ext_reply ($msgid, @msg)	3190	=item $client->ext_reply ($msgid, @msg)
2779		3191
…		…
2783		3195
2784	sub cf::client::ext_reply($$@) {	3196	sub cf::client::ext_reply($$@) {
2785	my ($self, $id, @msg) = @_;	3197	my ($self, $id, @msg) = @_;
2786		3198
2787	if ($self->extcmd == 2) {	3199	if ($self->extcmd == 2) {
2788	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3200	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2789	} elsif ($self->extcmd == 1) {	3201	} elsif ($self->extcmd == 1) {
2790	#TODO: version 1, remove	3202	#TODO: version 1, remove
2791	unshift @msg, msgtype => "reply", msgid => $id;	3203	unshift @msg, msgtype => "reply", msgid => $id;
2792	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3204	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2793	}	3205	}
2794	}	3206	}
2795		3207
2796	=item $success = $client->query ($flags, "text", \&cb)	3208	=item $success = $client->query ($flags, "text", \&cb)
2797		3209
…		…
2868		3280
2869	$ns->ext_reply ($reply, @reply)	3281	$ns->ext_reply ($reply, @reply)
2870	if $reply;	3282	if $reply;
2871		3283
2872	} else {	3284	} else {
2873	warn "client " . ($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";
2874	}	3286	}
2875		3287
2876	cf::override;	3288	cf::override;
2877	},	3289	},
2878	);	3290	);
…		…
2898		3310
2899	$coro	3311	$coro
2900	}	3312	}
2901		3313
2902	cf::client->attach (	3314	cf::client->attach (
2903	on_destroy => sub {	3315	on_client_destroy => sub {
2904	my ($ns) = @_;	3316	my ($ns) = @_;
2905		3317
2906	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3318	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2907	},	3319	},
2908	);	3320	);
…		…
2924	our $safe_hole = new Safe::Hole;	3336	our $safe_hole = new Safe::Hole;
2925		3337
2926	$SIG{FPE} = 'IGNORE';	3338	$SIG{FPE} = 'IGNORE';
2927		3339
2928	$safe->permit_only (Opcode::opset qw(	3340	$safe->permit_only (Opcode::opset qw(
2929	:base_core :base_mem :base_orig :base_math	3341	:base_core :base_mem :base_orig :base_math :base_loop
2930	grepstart grepwhile mapstart mapwhile	3342	grepstart grepwhile mapstart mapwhile
2931	sort time	3343	sort time
2932	));	3344	));
2933		3345
2934	# here we export the classes and methods available to script code	3346	# here we export the classes and methods available to script code
…		…
2937		3349
2938	The following functions and methods are available within a safe environment:	3350	The following functions and methods are available within a safe environment:
2939		3351
2940	cf::object	3352	cf::object
2941	contr pay_amount pay_player map x y force_find force_add destroy	3353	contr pay_amount pay_player map x y force_find force_add destroy
2942	insert remove name archname title slaying race decrease_ob_nr	3354	insert remove name archname title slaying race decrease split
		3355	value
2943		3356
2944	cf::object::player	3357	cf::object::player
2945	player	3358	player
2946		3359
2947	cf::player	3360	cf::player
…		…
2952		3365
2953	=cut	3366	=cut
2954		3367
2955	for (	3368	for (
2956	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3369	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2957	insert remove inv name archname title slaying race	3370	insert remove inv nrof name archname title slaying race
2958	decrease_ob_nr destroy)],	3371	decrease split destroy change_exp value msg lore send_msg)],
2959	["cf::object::player" => qw(player)],	3372	["cf::object::player" => qw(player)],
2960	["cf::player" => qw(peaceful)],	3373	["cf::player" => qw(peaceful send_msg)],
2961	["cf::map" => qw(trigger)],	3374	["cf::map" => qw(trigger)],
2962	) {	3375	) {
2963	no strict 'refs';
2964	my ($pkg, @funs) = @$_;	3376	my ($pkg, @funs) = @$_;
2965	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3377	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2966	for @funs;	3378	for @funs;
2967	}	3379	}
2968		3380
…		…
2983		3395
2984	my $qcode = $code;	3396	my $qcode = $code;
2985	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3397	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2986	$qcode =~ s/\n/\\n/g;	3398	$qcode =~ s/\n/\\n/g;
2987		3399
		3400	%vars = (_dummy => 0) unless %vars;
		3401
		3402	my @res;
2988	local $_;	3403	local $_;
2989	local @safe::cf::_safe_eval_args = values %vars;
2990		3404
2991	my $eval =	3405	my $eval =
2992	"do {\n"	3406	"do {\n"
2993	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3407	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2994	. "#line 0 \"{$qcode}\"\n"	3408	. "#line 0 \"{$qcode}\"\n"
2995	. $code	3409	. $code
2996	. "\n}"	3410	. "\n}"
2997	;	3411	;
2998		3412
		3413	if ($CFG{safe_eval}) {
2999	sub_generation_inc;	3414	sub_generation_inc;
		3415	local @safe::cf::_safe_eval_args = values %vars;
3000	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3416	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3001	sub_generation_inc;	3417	sub_generation_inc;
		3418	} else {
		3419	local @cf::_safe_eval_args = values %vars;
		3420	@res = wantarray ? eval eval : scalar eval $eval;
		3421	}
3002		3422
3003	if ($@) {	3423	if ($@) {
3004	warn "$@";	3424	warn "$@",
3005	warn "while executing safe code '$code'\n";	3425	"while executing safe code '$code'\n",
3006	warn "with arguments " . (join " ", %vars) . "\n";	3426	"with arguments " . (join " ", %vars) . "\n";
3007	}	3427	}
3008		3428
3009	wantarray ? @res : $res[0]	3429	wantarray ? @res : $res[0]
3010	}	3430	}
3011		3431
…		…
3025	=cut	3445	=cut
3026		3446
3027	sub register_script_function {	3447	sub register_script_function {
3028	my ($fun, $cb) = @_;	3448	my ($fun, $cb) = @_;
3029		3449
3030	no strict 'refs';	3450	$fun = "safe::$fun" if $CFG{safe_eval};
3031	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3451	*$fun = $safe_hole->wrap ($cb);
3032	}	3452	}
3033		3453
3034	=back	3454	=back
3035		3455
3036	=cut	3456	=cut
…		…
3045	# for this (global event?)	3465	# for this (global event?)
3046	%ext::player_env::MUSIC_FACE_CACHE = ();	3466	%ext::player_env::MUSIC_FACE_CACHE = ();
3047		3467
3048	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3468	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3049		3469
3050	warn "loading facedata from $path\n";	3470	trace "loading facedata from $path\n";
3051		3471
3052	my $facedata;	3472	my $facedata = decode_storable load_file $path;
3053	0 < aio_load $path, $facedata
3054	or die "$path: $!";
3055
3056	$facedata = Coro::Storable::thaw $facedata;
3057		3473
3058	$facedata->{version} == 2	3474	$facedata->{version} == 2
3059	or cf::cleanup "$path: version mismatch, cannot proceed.";	3475	or cf::cleanup "$path: version mismatch, cannot proceed.";
3060		3476
3061	# 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]);
3062	$facedata->{resource}{"res/exp_table"} = {	3479	$facedata->{resource}{"res/exp_table"} = {
3063	type => FT_RSRC,	3480	type => FT_RSRC,
3064	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),
3065	};	3483	};
3066	cf::cede_to_tick;	3484	cf::cede_to_tick;
3067		3485
3068	{	3486	{
3069	my $faces = $facedata->{faceinfo};	3487	my $faces = $facedata->{faceinfo};
3070		3488
3071	while (my ($face, $info) = each %$faces) {	3489	while (my ($face, $info) = each %$faces) {
3072	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3490	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3491
3073	cf::face::set_visibility $idx, $info->{visibility};	3492	cf::face::set_visibility $idx, $info->{visibility};
3074	cf::face::set_magicmap $idx, $info->{magicmap};	3493	cf::face::set_magicmap $idx, $info->{magicmap};
3075	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3494	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3076	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} , $info->{glyph} ;
3077		3497
3078	cf::cede_to_tick;	3498	cf::cede_to_tick;
3079	}	3499	}
3080		3500
3081	while (my ($face, $info) = each %$faces) {	3501	while (my ($face, $info) = each %$faces) {
3082	next unless $info->{smooth};	3502	next unless $info->{smooth};
		3503
3083	my $idx = cf::face::find $face	3504	my $idx = cf::face::find $face
3084	or next;	3505	or next;
		3506
3085	if (my $smooth = cf::face::find $info->{smooth}) {	3507	if (my $smooth = cf::face::find $info->{smooth}) {
3086	cf::face::set_smooth $idx, $smooth;	3508	cf::face::set_smooth $idx, $smooth;
3087	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3509	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3088	} else {	3510	} else {
3089	warn "smooth face '$info->{smooth}' not found for face '$face'";	3511	error "smooth face '$info->{smooth}' not found for face '$face'";
3090	}	3512	}
3091		3513
3092	cf::cede_to_tick;	3514	cf::cede_to_tick;
3093	}	3515	}
3094	}	3516	}
…		…
3103		3525
3104	cf::anim::invalidate_all; # d'oh	3526	cf::anim::invalidate_all; # d'oh
3105	}	3527	}
3106		3528
3107	{	3529	{
3108	# TODO: for gcfclient pleasure, we should give resources
3109	# that gcfclient doesn't grok a >10000 face index.
3110	my $res = $facedata->{resource};	3530	my $res = $facedata->{resource};
3111		3531
3112	my $soundconf = delete $res->{"res/sound.conf"};
3113
3114	while (my ($name, $info) = each %$res) {	3532	while (my ($name, $info) = each %$res) {
		3533	if (defined $info->{type}) {
3115	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3534	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3116	my $data;
3117		3535
3118	if ($info->{type} & 1) {	3536	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3119	# prepend meta info	3537	cf::face::set_type $idx, $info->{type};
3120
3121	my $meta = $enc->encode ({
3122	name => $name,
3123	%{ $info->{meta} || {} },
3124	});
3125
3126	$data = pack "(w/a*)*", $meta, $info->{data};
3127	} else {	3538	} else {
3128	$data = $info->{data};	3539	$RESOURCE{$name} = $info; # unused
3129	}	3540	}
3130		3541
3131	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3132	cf::face::set_type $idx, $info->{type};
3133
3134	cf::cede_to_tick;	3542	cf::cede_to_tick;
3135	}	3543	}
3136
3137	if ($soundconf) {
3138	$soundconf = $enc->decode (delete $soundconf->{data});
3139
3140	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3141	my $sound = $soundconf->{compat}[$_]
3142	or next;
3143
3144	my $face = cf::face::find "sound/$sound->[1]";
3145	cf::sound::set $sound->[0] => $face;
3146	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3147	}
3148
3149	while (my ($k, $v) = each %{$soundconf->{event}}) {
3150	my $face = cf::face::find "sound/$v";
3151	cf::sound::set $k => $face;
3152	}
3153	}
3154	}	3544	}
		3545
		3546	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3155		3547
3156	1	3548	1
3157	}	3549	}
3158		3550
3159	register_exticmd fx_want => sub {	3551	register_exticmd fx_want => sub {
…		…
3161		3553
3162	while (my ($k, $v) = each %$want) {	3554	while (my ($k, $v) = each %$want) {
3163	$ns->fx_want ($k, $v);	3555	$ns->fx_want ($k, $v);
3164	}	3556	}
3165	};	3557	};
		3558
		3559	sub load_resource_file($) {
		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	$status
		3567	}
3166		3568
3167	sub reload_regions {	3569	sub reload_regions {
3168	# HACK to clear player env face cache, we need some signal framework	3570	# HACK to clear player env face cache, we need some signal framework
3169	# for this (global event?)	3571	# for this (global event?)
3170	%ext::player_env::MUSIC_FACE_CACHE = ();	3572	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3184	}	3586	}
3185		3587
3186	sub reload_archetypes {	3588	sub reload_archetypes {
3187	load_resource_file "$DATADIR/archetypes"	3589	load_resource_file "$DATADIR/archetypes"
3188	or die "unable to load archetypes\n";	3590	or die "unable to load archetypes\n";
3189	#d# NEED to laod twice to resolve forward references
3190	# this really needs to be done in an extra post-pass
3191	# (which needs to be synchronous, so solve it differently)
3192	load_resource_file "$DATADIR/archetypes"
3193	or die "unable to load archetypes\n";
3194	}	3591	}
3195		3592
3196	sub reload_treasures {	3593	sub reload_treasures {
3197	load_resource_file "$DATADIR/treasures"	3594	load_resource_file "$DATADIR/treasures"
3198	or die "unable to load treasurelists\n";	3595	or die "unable to load treasurelists\n";
3199	}	3596	}
3200		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
3201	sub reload_resources {	3618	sub reload_resources {
3202	warn "reloading resource files...\n";	3619	trace "reloading resource files...\n";
3203		3620
		3621	reload_exp_table;
		3622	reload_materials;
		3623	reload_facedata;
		3624	reload_sound;
		3625	reload_archetypes;
3204	reload_regions;	3626	reload_regions;
3205	reload_facedata;
3206	#reload_archetypes;#d#
3207	reload_archetypes;
3208	reload_treasures;	3627	reload_treasures;
3209		3628
3210	warn "finished reloading resource files\n";	3629	trace "finished reloading resource files\n";
3211	}
3212
3213	sub init {
3214	reload_resources;
3215	}	3630	}
3216		3631
3217	sub reload_config {	3632	sub reload_config {
3218	open my $fh, "<:utf8", "$CONFDIR/config"	3633	trace "reloading config file...\n";
3219	or return;
3220		3634
3221	local $/;	3635	my $config = load_file "$CONFDIR/config";
3222	*CFG = YAML::Syck::Load <$fh>;	3636	utf8::decode $config;
		3637	*CFG = decode_yaml $config;
3223		3638
3224	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3639	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3225		3640
3226	$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};
3227	$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};
3228		3643
3229	if (exists $CFG{mlockall}) {	3644	if (exists $CFG{mlockall}) {
…		…
3233	};	3648	};
3234	warn $@ if $@;	3649	warn $@ if $@;
3235	}	3650	}
3236	}	3651	}
3237		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
3238	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
3239	# we must not ever block the main coroutine	3691	# we must not ever block the main coroutine
3240	local $Coro::idle = sub {	3692	local $Coro::idle = sub {
3241	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#
3242	(async {	3694	(async {
3243	$Coro::current->{desc} = "IDLE BUG HANDLER";	3695	$Coro::current->{desc} = "IDLE BUG HANDLER";
3244	Event::one_event;	3696	EV::loop EV::LOOP_ONESHOT;
3245	})->prio (Coro::PRIO_MAX);	3697	})->prio (Coro::PRIO_MAX);
3246	};	3698	};
3247		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;
3248	reload_config;	3712	reload_config;
3249	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
3250	load_extensions;	3723	load_extensions;
3251		3724
3252	$TICK_WATCHER->start;	3725	utime time, time, $RUNTIMEFILE;
3253	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;
3254	}	3743	}
3255		3744
3256	#############################################################################	3745	#############################################################################
3257	# initialisation and cleanup	3746	# initialisation and cleanup
3258		3747
3259	# install some emergency cleanup handlers	3748	# install some emergency cleanup handlers
3260	BEGIN {	3749	BEGIN {
		3750	our %SIGWATCHER = ();
3261	for my $signal (qw(INT HUP TERM)) {	3751	for my $signal (qw(INT HUP TERM)) {
3262	Event->signal (	3752	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3263	reentrant => 0,
3264	data => WF_AUTOCANCEL,
3265	signal => $signal,
3266	prio => 0,
3267	cb => sub {
3268	cf::cleanup "SIG$signal";	3753	cf::cleanup "SIG$signal";
3269	},
3270	);	3754	};
3271	}	3755	}
3272	}	3756	}
3273		3757
3274	sub write_runtime {	3758	sub write_runtime_sync {
3275	my $runtime = "$LOCALDIR/runtime";	3759	my $t0 = AE::time;
3276		3760
3277	# first touch the runtime file to show we are still running:	3761	# first touch the runtime file to show we are still running:
3278	# the fsync below can take a very very long time.	3762	# the fsync below can take a very very long time.
3279		3763
3280	IO::AIO::aio_utime $runtime, undef, undef;	3764	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3281		3765
3282	my $guard = cf::lock_acquire "write_runtime";	3766	my $guard = cf::lock_acquire "write_runtime";
3283		3767
3284	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3768	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3285	or return;	3769	or return;
3286		3770
3287	my $value = $cf::RUNTIME + 90 + 10;	3771	my $value = $cf::RUNTIME + 90 + 10;
3288	# 10 is the runtime save interval, for a monotonic clock	3772	# 10 is the runtime save interval, for a monotonic clock
3289	# 60 allows for the watchdog to kill the server.	3773	# 60 allows for the watchdog to kill the server.
…		…
3299	aio_utime $fh, undef, undef;	3783	aio_utime $fh, undef, undef;
3300		3784
3301	close $fh	3785	close $fh
3302	or return;	3786	or return;
3303		3787
3304	aio_rename "$runtime~", $runtime	3788	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3305	and return;	3789	and return;
3306		3790
3307	warn "runtime file written.\n";	3791	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3308		3792
3309	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 };
3310	}	3844	}
3311		3845
3312	sub emergency_save() {	3846	sub emergency_save() {
3313	my $freeze_guard = cf::freeze_mainloop;	3847	my $freeze_guard = cf::freeze_mainloop;
3314		3848
3315	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;
3316		3855
3317	cf::sync_job {	3856	cf::sync_job {
		3857	cf::write_runtime_sync; # external watchdog should not bark
		3858
3318	# use a peculiar iteration method to avoid tripping on perl	3859	# use a peculiar iteration method to avoid tripping on perl
3319	# refcount bugs in for. also avoids problems with players	3860	# refcount bugs in for. also avoids problems with players
3320	# and maps saved/destroyed asynchronously.	3861	# and maps saved/destroyed asynchronously.
3321	warn "begin emergency player save\n";	3862	info "emergency_perl_save: begin player save\n";
3322	for my $login (keys %cf::PLAYER) {	3863	for my $login (keys %cf::PLAYER) {
3323	my $pl = $cf::PLAYER{$login} or next;	3864	my $pl = $cf::PLAYER{$login} or next;
3324	$pl->valid or next;	3865	$pl->valid or next;
3325	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3866	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3326	$pl->save;	3867	$pl->save;
3327	}	3868	}
3328	warn "end emergency player save\n";	3869	info "emergency_perl_save: end player save\n";
3329		3870
3330	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";
3331	for my $path (keys %cf::MAP) {	3874	for my $path (keys %cf::MAP) {
3332	my $map = $cf::MAP{$path} or next;	3875	my $map = $cf::MAP{$path} or next;
3333	$map->valid or next;	3876	$map->valid or next;
3334	$map->save;	3877	$map->save;
3335	}	3878	}
3336	warn "end emergency map save\n";	3879	info "emergency_perl_save: end map save\n";
3337		3880
3338	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";
3339	BDB::db_env_txn_checkpoint $DB_ENV;	3884	BDB::db_env_txn_checkpoint $DB_ENV;
3340	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 $DB_ENV;
		3895
		3896	info "emergency_perl_save: starting sync\n";
		3897	IO::AIO::aio_sync sub {
		3898	info "emergency_perl_save: finished sync\n";
		3899	};
		3900
		3901	cf::write_runtime_sync; # external watchdog should not bark
		3902
		3903	trace "emergency_perl_save: flushing outstanding aio requests";
		3904	while (IO::AIO::nreqs || BDB::nreqs) {
		3905	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3906	}
		3907
		3908	cf::write_runtime_sync; # external watchdog should not bark
3341	};	3909	};
3342		3910
3343	warn "leave emergency perl save\n";	3911	info "emergency_perl_save: leave\n";
3344	}	3912	}
3345		3913
3346	sub post_cleanup {	3914	sub post_cleanup {
3347	my ($make_core) = @_;	3915	my ($make_core) = @_;
3348		3916
		3917	IO::AIO::flush;
		3918
3349	warn Carp::longmess "post_cleanup backtrace"	3919	error Carp::longmess "post_cleanup backtrace"
3350	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	}
3351	}	3949	}
3352		3950
3353	sub do_reload_perl() {	3951	sub do_reload_perl() {
3354	# can/must only be called in main	3952	# can/must only be called in main
3355	if ($Coro::current != $Coro::main) {	3953	unless (in_main) {
3356	warn "can only reload from main coroutine";	3954	error "can only reload from main coroutine";
3357	return;	3955	return;
3358	}	3956	}
3359		3957
3360	warn "reloading...";	3958	return if $RELOAD++;
3361		3959
3362	warn "entering sync_job";	3960	my $t1 = AE::time;
3363		3961
		3962	while ($RELOAD) {
		3963	cf::get_slot 0.1, -1, "reload_perl";
		3964	info "perl_reload: reloading...";
		3965
		3966	trace "perl_reload: entering sync_job";
		3967
3364	cf::sync_job {	3968	cf::sync_job {
3365	cf::write_runtime; # external watchdog should not bark
3366	cf::emergency_save;	3969	#cf::emergency_save;
3367	cf::write_runtime; # external watchdog should not bark
3368		3970
3369	warn "syncing database to disk";
3370	BDB::db_env_txn_checkpoint $DB_ENV;
3371
3372	# if anything goes wrong in here, we should simply crash as we already saved
3373
3374	warn "cancelling all WF_AUTOCANCEL watchers";
3375	for (Event::all_watchers) {
3376	$_->cancel if $_->data & WF_AUTOCANCEL;
3377	}
3378
3379	warn "flushing outstanding aio requests";
3380	for (;;) {
3381	BDB::flush;
3382	IO::AIO::flush;
3383	Coro::cede_notself;
3384	last unless IO::AIO::nreqs || BDB::nreqs;
3385	warn "iterate...";
3386	}
3387
3388	++$RELOAD;
3389
3390	warn "cancelling all extension coros";	3971	trace "perl_reload: cancelling all extension coros";
3391	$_->cancel for values %EXT_CORO;	3972	$_->cancel for values %EXT_CORO;
3392	%EXT_CORO = ();	3973	%EXT_CORO = ();
3393		3974
3394	warn "removing commands";	3975	trace "perl_reload: removing commands";
3395	%COMMAND = ();	3976	%COMMAND = ();
3396		3977
3397	warn "removing ext/exti commands";	3978	trace "perl_reload: removing ext/exti commands";
3398	%EXTCMD = ();	3979	%EXTCMD = ();
3399	%EXTICMD = ();	3980	%EXTICMD = ();
3400		3981
3401	warn "unloading/nuking all extensions";	3982	trace "perl_reload: unloading/nuking all extensions";
3402	for my $pkg (@EXTS) {	3983	for my $pkg (@EXTS) {
3403	warn "... unloading $pkg";	3984	trace "... unloading $pkg";
3404		3985
3405	if (my $cb = $pkg->can ("unload")) {	3986	if (my $cb = $pkg->can ("unload")) {
3406	eval {	3987	eval {
3407	$cb->($pkg);	3988	$cb->($pkg);
3408	1	3989	1
3409	} 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;
3410	}	3995	}
3411		3996
3412	warn "... nuking $pkg";
3413	Symbol::delete_package $pkg;
3414	}
3415
3416	warn "unloading all perl modules loaded from $LIBDIR";	3997	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3417	while (my ($k, $v) = each %INC) {	3998	while (my ($k, $v) = each %INC) {
3418	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3999	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3419		4000
3420	warn "... unloading $k";	4001	trace "... unloading $k";
3421	delete $INC{$k};	4002	delete $INC{$k};
3422		4003
3423	$k =~ s/\.pm$//;	4004	$k =~ s/\.pm$//;
3424	$k =~ s/\//::/g;	4005	$k =~ s/\//::/g;
3425		4006
3426	if (my $cb = $k->can ("unload_module")) {	4007	if (my $cb = $k->can ("unload_module")) {
3427	$cb->();	4008	$cb->();
		4009	}
		4010
		4011	clear_package $k;
3428	}	4012	}
3429		4013
3430	Symbol::delete_package $k;
3431	}
3432
3433	warn "getting rid of safe::, as good as possible";	4014	trace "perl_reload: getting rid of safe::, as good as possible";
3434	Symbol::delete_package "safe::$_"	4015	clear_package "safe::$_"
3435	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);
3436		4017
3437	warn "unloading cf.pm \"a bit\"";	4018	trace "perl_reload: unloading cf.pm \"a bit\"";
3438	delete $INC{"cf.pm"};	4019	delete $INC{"cf.pm"};
3439	delete $INC{"cf/pod.pm"};	4020	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3440		4021
3441	# don't, removes xs symbols, too,	4022	# don't, removes xs symbols, too,
3442	# and global variables created in xs	4023	# and global variables created in xs
3443	#Symbol::delete_package __PACKAGE__;	4024	#clear_package __PACKAGE__;
3444		4025
3445	warn "unload completed, starting to reload now";	4026	info "perl_reload: unload completed, starting to reload now";
3446		4027
3447	warn "reloading cf.pm";	4028	trace "perl_reload: reloading cf.pm";
3448	require cf;	4029	require cf;
3449	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4030	cf::_connect_to_perl_1;
3450		4031
3451	warn "loading config and database again";	4032	trace "perl_reload: loading config and database again";
3452	cf::reload_config;	4033	cf::reload_config;
3453		4034
3454	warn "loading extensions";	4035	trace "perl_reload: loading extensions";
3455	cf::load_extensions;	4036	cf::load_extensions;
3456		4037
		4038	if ($REATTACH_ON_RELOAD) {
3457	warn "reattaching attachments to objects/players";	4039	trace "perl_reload: reattaching attachments to objects/players";
3458	_global_reattach; # objects, sockets	4040	_global_reattach; # objects, sockets
3459	warn "reattaching attachments to maps";	4041	trace "perl_reload: reattaching attachments to maps";
3460	reattach $_ for values %MAP;	4042	reattach $_ for values %MAP;
3461	warn "reattaching attachments to players";	4043	trace "perl_reload: reattaching attachments to players";
3462	reattach $_ for values %PLAYER;	4044	reattach $_ for values %PLAYER;
		4045	}
3463		4046
3464	warn "leaving sync_job";	4047	cf::_post_init 1;
3465		4048
		4049	trace "perl_reload: leaving sync_job";
		4050
3466	1	4051	1
3467	} or do {	4052	} or do {
3468	warn $@;	4053	error $@;
3469	warn "error while reloading, exiting.";	4054	cf::cleanup "perl_reload: error, exiting.";
3470	exit 1;	4055	};
		4056
		4057	--$RELOAD;
3471	};	4058	}
3472		4059
3473	warn "reloaded";	4060	$t1 = AE::time - $t1;
		4061	info "perl_reload: completed in ${t1}s\n";
3474	};	4062	};
3475		4063
3476	our $RELOAD_WATCHER; # used only during reload	4064	our $RELOAD_WATCHER; # used only during reload
3477		4065
3478	sub reload_perl() {	4066	sub reload_perl() {
3479	# doing reload synchronously and two reloads happen back-to-back,	4067	# doing reload synchronously and two reloads happen back-to-back,
3480	# coro crashes during coro_state_free->destroy here.	4068	# coro crashes during coro_state_free->destroy here.
3481		4069
3482	$RELOAD_WATCHER ||= Event->timer (	4070	$RELOAD_WATCHER ||= cf::async {
3483	reentrant => 0,	4071	Coro::AIO::aio_wait cache_extensions;
3484	after => 0,	4072
3485	data => WF_AUTOCANCEL,	4073	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3486	cb => sub {
3487	do_reload_perl;	4074	do_reload_perl;
3488	undef $RELOAD_WATCHER;	4075	undef $RELOAD_WATCHER;
3489	},	4076	};
3490	);	4077	};
3491	}	4078	}
3492		4079
3493	register_command "reload" => sub {	4080	register_command "reload" => sub {
3494	my ($who, $arg) = @_;	4081	my ($who, $arg) = @_;
3495		4082
…		…
3500	reload_perl;	4087	reload_perl;
3501	};	4088	};
3502	}	4089	}
3503	};	4090	};
3504		4091
3505	unshift @INC, $LIBDIR;	4092	#############################################################################
3506		4093
3507	my $bug_warning = 0;	4094	my $bug_warning = 0;
3508		4095
3509	our @WAIT_FOR_TICK;	4096	our @WAIT_FOR_TICK;
3510	our @WAIT_FOR_TICK_BEGIN;	4097	our @WAIT_FOR_TICK_BEGIN;
3511		4098
3512	sub wait_for_tick {	4099	sub wait_for_tick() {
3513	return unless $TICK_WATCHER->is_active;
3514	return if $Coro::current == $Coro::main;	4100	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3515		4101
3516	my $signal = new Coro::Signal;	4102	my $signal = new Coro::Signal;
3517	push @WAIT_FOR_TICK, $signal;	4103	push @WAIT_FOR_TICK, $signal;
3518	$signal->wait;	4104	$signal->wait;
3519	}	4105	}
3520		4106
3521	sub wait_for_tick_begin {	4107	sub wait_for_tick_begin() {
3522	return unless $TICK_WATCHER->is_active;
3523	return if $Coro::current == $Coro::main;	4108	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3524		4109
3525	my $signal = new Coro::Signal;	4110	my $signal = new Coro::Signal;
3526	push @WAIT_FOR_TICK_BEGIN, $signal;	4111	push @WAIT_FOR_TICK_BEGIN, $signal;
3527	$signal->wait;	4112	$signal->wait;
3528	}	4113	}
3529		4114
3530	$TICK_WATCHER = Event->timer (	4115	sub tick {
3531	reentrant => 0,
3532	parked => 1,
3533	prio => 0,
3534	at => $NEXT_TICK || $TICK,
3535	data => WF_AUTOCANCEL,
3536	cb => sub {
3537	if ($Coro::current != $Coro::main) {	4116	if ($Coro::current != $Coro::main) {
3538	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4117	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3539	unless ++$bug_warning > 10;	4118	unless ++$bug_warning > 10;
3540	return;	4119	return;
3541	}	4120	}
3542		4121
3543	$NOW = $tick_start = Event::time;
3544
3545	cf::server_tick; # one server iteration	4122	cf::server_tick; # one server iteration
3546		4123
3547	$RUNTIME += $TICK;	4124	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3548	$NEXT_TICK += $TICK;
3549		4125
3550	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4126	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3551	$NEXT_RUNTIME_WRITE = $NOW + 10;	4127	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3552	Coro::async_pool {	4128	Coro::async_pool {
3553	$Coro::current->{desc} = "runtime saver";	4129	$Coro::current->{desc} = "runtime saver";
3554	write_runtime	4130	write_runtime_sync
3555	or warn "ERROR: unable to write runtime file: $!";	4131	or error "ERROR: unable to write runtime file: $!";
3556	};
3557	}	4132	};
		4133	}
3558		4134
3559	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4135	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3560	$sig->send;	4136	$sig->send;
3561	}	4137	}
3562	while (my $sig = shift @WAIT_FOR_TICK) {	4138	while (my $sig = shift @WAIT_FOR_TICK) {
3563	$sig->send;	4139	$sig->send;
3564	}	4140	}
3565		4141
3566	$NOW = Event::time;	4142	$LOAD = ($NOW - $TICK_START) / $TICK;
3567
3568	# if we are delayed by four ticks or more, skip them all
3569	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3570
3571	$TICK_WATCHER->at ($NEXT_TICK);
3572	$TICK_WATCHER->start;
3573
3574	$LOAD = ($NOW - $tick_start) / $TICK;
3575	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4143	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3576		4144
3577	_post_tick;	4145	if (0) {
		4146	if ($NEXT_TICK) {
		4147	my $jitter = $TICK_START - $NEXT_TICK;
		4148	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4149	debug "jitter $JITTER\n";#d#
		4150	}
3578	},	4151	}
3579	);	4152	}
3580		4153
3581	{	4154	{
		4155	# configure BDB
		4156
3582	BDB::min_parallel 8;	4157	BDB::min_parallel 16;
3583	BDB::max_poll_time $TICK * 0.1;	4158	BDB::max_poll_reqs $TICK * 0.1;
3584	$BDB_POLL_WATCHER = Event->io (	4159	$AnyEvent::BDB::WATCHER->priority (1);
3585	reentrant => 0,
3586	fd => BDB::poll_fileno,
3587	poll => 'r',
3588	prio => 0,
3589	data => WF_AUTOCANCEL,
3590	cb => \&BDB::poll_cb,
3591	);
3592
3593	BDB::set_sync_prepare {
3594	my $status;
3595	my $current = $Coro::current;
3596	(
3597	sub {
3598	$status = $!;
3599	$current->ready; undef $current;
3600	},
3601	sub {
3602	Coro::schedule while defined $current;
3603	$! = $status;
3604	},
3605	)
3606	};
3607		4160
3608	unless ($DB_ENV) {	4161	unless ($DB_ENV) {
3609	$DB_ENV = BDB::db_env_create;	4162	$DB_ENV = BDB::db_env_create;
3610	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4163	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3611	| 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;
3612	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4166	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3613	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4167	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3614		4168
3615	cf::sync_job {	4169	cf::sync_job {
3616	eval {	4170	eval {
…		…
3626		4180
3627	cf::cleanup "db_env_open(db): $@" if $@;	4181	cf::cleanup "db_env_open(db): $@" if $@;
3628	};	4182	};
3629	}	4183	}
3630		4184
3631	$BDB_DEADLOCK_WATCHER = Event->timer (	4185	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3632	after => 3,
3633	interval => 1,
3634	hard => 1,
3635	prio => 0,
3636	data => WF_AUTOCANCEL,
3637	cb => sub {
3638	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 { };
3639	},
3640	);	4187	};
3641	$BDB_CHECKPOINT_WATCHER = Event->timer (	4188	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3642	after => 11,
3643	interval => 60,
3644	hard => 1,
3645	prio => 0,
3646	data => WF_AUTOCANCEL,
3647	cb => sub {
3648	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4189	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3649	},
3650	);	4190	};
3651	$BDB_TRICKLE_WATCHER = Event->timer (	4191	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3652	after => 5,
3653	interval => 10,
3654	hard => 1,
3655	prio => 0,
3656	data => WF_AUTOCANCEL,
3657	cb => sub {
3658	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4192	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3659	},
3660	);	4193	};
3661	}	4194	}
3662		4195
3663	{	4196	{
		4197	# configure IO::AIO
		4198
3664	IO::AIO::min_parallel 8;	4199	IO::AIO::min_parallel 8;
3665
3666	undef $Coro::AIO::WATCHER;
3667	IO::AIO::max_poll_time $TICK * 0.1;	4200	IO::AIO::max_poll_time $TICK * 0.1;
3668	$AIO_POLL_WATCHER = Event->io (	4201	undef $AnyEvent::AIO::WATCHER;
3669	reentrant => 0,
3670	data => WF_AUTOCANCEL,
3671	fd => IO::AIO::poll_fileno,
3672	poll => 'r',
3673	prio => 0,
3674	cb => \&IO::AIO::poll_cb,
3675	);
3676	}	4202	}
3677		4203
3678	my $_log_backtrace;	4204	our $_log_backtrace;
		4205	our $_log_backtrace_last;
3679		4206
3680	sub _log_backtrace {	4207	sub _log_backtrace {
3681	my ($msg, @addr) = @_;	4208	my ($msg, @addr) = @_;
3682		4209
3683	$msg =~ s/\n//;	4210	$msg =~ s/\n$//;
3684		4211
		4212	if ($_log_backtrace_last eq $msg) {
		4213	LOG llevInfo, "[ABT] $msg\n";
		4214	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3685	# limit the # of concurrent backtraces	4215	# limit the # of concurrent backtraces
3686	if ($_log_backtrace < 2) {	4216	} elsif ($_log_backtrace < 2) {
		4217	$_log_backtrace_last = $msg;
3687	++$_log_backtrace;	4218	++$_log_backtrace;
		4219	my $perl_bt = Carp::longmess $msg;
3688	async {	4220	async {
3689	$Coro::current->{desc} = "abt $msg";	4221	$Coro::current->{desc} = "abt $msg";
3690		4222
3691	my @bt = fork_call {	4223	my @bt = fork_call {
3692	@addr = map { sprintf "%x", $_ } @addr;	4224	@addr = map { sprintf "%x", $_ } @addr;
…		…
3703	}	4235	}
3704		4236
3705	@funcs	4237	@funcs
3706	};	4238	};
3707		4239
3708	LOG llevInfo, "[ABT] $msg\n";	4240	LOG llevInfo, "[ABT] $perl_bt\n";
		4241	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3709	LOG llevInfo, "[ABT] $_\n" for @bt;	4242	LOG llevInfo, "[ABT] $_\n" for @bt;
3710	--$_log_backtrace;	4243	--$_log_backtrace;
3711	};	4244	};
3712	} else {	4245	} else {
3713	LOG llevInfo, "[ABT] $msg\n";	4246	LOG llevInfo, "[ABT] $msg\n";
3714	LOG llevInfo, "[ABT] [suppressed]\n";	4247	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3715	}	4248	}
3716	}	4249	}
3717		4250
3718	# load additional modules	4251	# load additional modules
3719	use cf::pod;	4252	require "cf/$_.pm" for @EXTRA_MODULES;
		4253	cf::_connect_to_perl_2;
3720		4254
3721	END { cf::emergency_save }	4255	END { cf::emergency_save }
3722		4256
3723	1	4257	1
3724		4258

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