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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.391 by root, Fri Oct 26 04:22:05 2007 UTC vs.
Revision 1.565 by root, Sat Apr 30 05:41:17 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use 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	use re 'eval';
1554
1555	my $group;
1556	my $interior; $interior = qr{
1557	(?:
1558	\ (.*?)\ (?{ $group = $^N })
1559	| < (??{$interior}) >
1560	)
1561	}x;
1562
1563	sub expand_cfpod {
1564	my ($self, $pod) = @_;
1565
1566	my $xml;
1567
1568	while () {
1569	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?=[^<]) )+ )/xgcs) {
1570	$group = $1;
1571
1572	$group =~ s/&/&amp;/g;
1573	$group =~ s/</&lt;/g;
1574
1575	$xml .= $group;
1576	} elsif ($pod =~ m%\G
1577	([BCGHITU])
1578	<
1579	(?:
1580	([^<>]*) (?{ $group = $^N })
1581	| < $interior >
1582	)
1583	>
1584	%gcsx
1585	) {
1586	my ($code, $data) = ($1, $group);
1587
1588	if ($code eq "B") {
1589	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1590	} elsif ($code eq "I") {
1591	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1592	} elsif ($code eq "U") {
1593	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1594	} elsif ($code eq "C") {
1595	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1596	} elsif ($code eq "T") {
1597	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1598	} elsif ($code eq "G") {
1599	my ($male, $female) = split /\|/, $data;
1600	$data = $self->gender ? $female : $male;
1601	$xml .= expand_cfpod ($self, $data);
1602	} elsif ($code eq "H") {
1603	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1604	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1605	"")
1606	[$self->{hintmode}];
1607	} else {
1608	$xml .= "error processing '$code($data)' directive";
1609	}
1610	} else {
1611	if ($pod =~ /\G(.+)/) {
1612	warn "parse error while expanding $pod (at $1)";
1613	}
1614	last;
1615	}
1616	}
1617
1618	for ($xml) {
1619	# create single paragraphs (very hackish)
1620	s/(?<=\S)\n(?=\w)/ /g;
1621
1622	# compress some whitespace
1623	s/\s+\n/\n/g; # ws line-ends
1624	s/\n\n+/\n/g; # double lines
1625	s/^\n+//; # beginning lines
1626	s/\n+$//; # ending lines
1627	}
1628
1629	$xml
1630	}
1631
1632	sub hintmode {
1633	$_[0]{hintmode} = $_[1] if @_ > 1;
1634	$_[0]{hintmode}
1635	}
1636		1830
1637	=item $player->ext_reply ($msgid, @msg)	1831	=item $player->ext_reply ($msgid, @msg)
1638		1832
1639	Sends an ext reply to the player.	1833	Sends an ext reply to the player.
1640		1834
…		…
1672		1866
1673	=cut	1867	=cut
1674		1868
1675	sub find_by_path($) {	1869	sub find_by_path($) {
1676	my ($path) = @_;	1870	my ($path) = @_;
		1871
		1872	$path =~ s/^~[^\/]*//; # skip ~login
1677		1873
1678	my ($match, $specificity);	1874	my ($match, $specificity);
1679		1875
1680	for my $region (list) {	1876	for my $region (list) {
1681	if ($region->{match} && $path =~ $region->{match}) {	1877	if ($region->{match} && $path =~ $region->{match}) {
…		…
1707	our $MAX_RESET = 3600;	1903	our $MAX_RESET = 3600;
1708	our $DEFAULT_RESET = 3000;	1904	our $DEFAULT_RESET = 3000;
1709		1905
1710	sub generate_random_map {	1906	sub generate_random_map {
1711	my ($self, $rmp) = @_;	1907	my ($self, $rmp) = @_;
1712	# mit "rum" bekleckern, nicht	1908
		1909	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1910
1713	$self->_create_random_map (	1911	$self->_create_random_map ($rmp);
1714	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1715	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1716	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1717	$rmp->{exit_on_final_map},
1718	$rmp->{xsize}, $rmp->{ysize},
1719	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1720	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1721	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1722	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1723	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1724	(cf::region::find $rmp->{region}), $rmp->{custom}
1725	)
1726	}	1912	}
1727		1913
1728	=item cf::map->register ($regex, $prio)	1914	=item cf::map->register ($regex, $prio)
1729		1915
1730	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
…		…
1735		1921
1736	sub register {	1922	sub register {
1737	my (undef, $regex, $prio) = @_;	1923	my (undef, $regex, $prio) = @_;
1738	my $pkg = caller;	1924	my $pkg = caller;
1739		1925
1740	no strict;
1741	push @{"$pkg\::ISA"}, __PACKAGE__;	1926	push @{"$pkg\::ISA"}, __PACKAGE__;
1742		1927
1743	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1928	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1744	}	1929	}
1745		1930
1746	# also paths starting with '/'	1931	# also paths starting with '/'
1747	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1932	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1748		1933
1749	sub thawer_merge {	1934	sub thawer_merge {
1750	my ($self, $merge) = @_;	1935	my ($self, $merge) = @_;
1751		1936
1752	# we have to keep some variables in memory intact	1937	# we have to keep some variables in memory intact
…		…
1757	}	1942	}
1758		1943
1759	sub normalise {	1944	sub normalise {
1760	my ($path, $base) = @_;	1945	my ($path, $base) = @_;
1761		1946
1762	$path = "$path"; # make sure its a string	1947	$path = "$path"; # make sure it's a string
1763		1948
1764	$path =~ s/\.map$//;	1949	$path =~ s/\.map$//;
1765		1950
1766	# map plan:	1951	# map plan:
1767	#	1952	#
…		…
1769	# {... are special paths that are not being touched	1954	# {... are special paths that are not being touched
1770	# ?xxx/... are special absolute paths	1955	# ?xxx/... are special absolute paths
1771	# ?random/... random maps	1956	# ?random/... random maps
1772	# /... normal maps	1957	# /... normal maps
1773	# ~user/... per-player map of a specific user	1958	# ~user/... per-player map of a specific user
		1959	# !up !down for quad maps, or other maps with up/down layers
1774		1960
1775	$path =~ s/$PATH_SEP/\//go;	1961	$path =~ s/$PATH_SEP/\//go;
1776		1962
1777	# treat it as relative path if it starts with	1963	# treat it as relative path if it starts with
1778	# something that looks reasonable	1964	# something that looks reasonable
1779	if ($path =~ m{^(?:\./|\.\./|\w)}) {	1965	if ($path =~ m{^(?:\./|\.\./|\w)}) {
1780	$base or Carp::carp "normalise called with relative path and no base: '$path'";	1966	$base or Carp::carp "normalise called with relative path and no base: '$path'";
1781		1967
1782	$base =~ s{[^/]+/?$}{};	1968	$base =~ s{[^/]+/?$}{};
1783	$path = "$base/$path";	1969	$path = "$base/$path";
		1970
		1971	} elsif ($path eq '!up') {
		1972	$base && ref $base
		1973	or Carp::carp "normalise called with relative tile path and no base: '$path'";
		1974
		1975	my $uppth = $base->tile_path (cf::TILE_UP);
		1976	$path = $uppth if $uppth;
		1977
		1978	} elsif ($path eq '!down') {
		1979	$base && ref $base
		1980	or Carp::carp "normalise called with relative tile path and no base: '$path'";
		1981
		1982	my $dpth = $base->tile_path (cf::TILE_DOWN);
		1983	$path = $dpth if $dpth;
1784	}	1984	}
1785		1985
1786	for ($path) {	1986	for ($path) {
1787	redo if s{//}{/};
1788	redo if s{/\.?/}{/};	1987	redo if s{/\.?/}{/};
1789	redo if s{/[^/]+/\.\./}{/};	1988	redo if s{/[^/]+/\.\./}{/};
1790	}	1989	}
1791		1990
1792	$path	1991	$path
…		…
1806	$self->init; # pass $1 etc.	2005	$self->init; # pass $1 etc.
1807	return $self;	2006	return $self;
1808	}	2007	}
1809	}	2008	}
1810		2009
1811	Carp::cluck "unable to resolve path '$path' (base '$base').";	2010	Carp::cluck "unable to resolve path '$path' (base '$base')";
1812	()	2011	()
1813	}	2012	}
1814		2013
		2014	# may re-bless or do other evil things
1815	sub init {	2015	sub init {
1816	my ($self) = @_;	2016	my ($self) = @_;
1817		2017
1818	$self	2018	$self
1819	}	2019	}
…		…
1838		2038
1839	# the temporary/swap location	2039	# the temporary/swap location
1840	sub save_path {	2040	sub save_path {
1841	my ($self) = @_;	2041	my ($self) = @_;
1842		2042
1843	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2043	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1844	"$TMPDIR/$path.map"	2044	"$TMPDIR/$path.map"
1845	}	2045	}
1846		2046
1847	# the unique path, undef == no special unique path	2047	# the unique path, undef == no special unique path
1848	sub uniq_path {	2048	sub uniq_path {
1849	my ($self) = @_;	2049	my ($self) = @_;
1850		2050
1851	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2051	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1852	"$UNIQUEDIR/$path"	2052	"$UNIQUEDIR/$path"
1853	}
1854
1855	# and all this just because we cannot iterate over
1856	# all maps in C++...
1857	sub change_all_map_light {
1858	my ($change) = @_;
1859
1860	$_->change_map_light ($change)
1861	for grep $_->outdoor, values %cf::MAP;
1862	}	2053	}
1863		2054
1864	sub decay_objects {	2055	sub decay_objects {
1865	my ($self) = @_;	2056	my ($self) = @_;
1866		2057
…		…
1948		2139
1949	sub find;	2140	sub find;
1950	sub find {	2141	sub find {
1951	my ($path, $origin) = @_;	2142	my ($path, $origin) = @_;
1952		2143
		2144	cf::cede_to_tick;
		2145
1953	$path = normalise $path, $origin && $origin->path;	2146	$path = normalise $path, $origin;
1954		2147
1955	cf::lock_wait "map_data:$path";#d#remove	2148	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1956	cf::lock_wait "map_find:$path";	2149	my $guard2 = cf::lock_acquire "map_find:$path";
1957		2150
1958	$cf::MAP{$path} || do {	2151	$cf::MAP{$path} || do {
1959	my $guard1 = cf::lock_acquire "map_find:$path";
1960	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1961
1962	my $map = new_from_path cf::map $path	2152	my $map = new_from_path cf::map $path
1963	or return;	2153	or return;
1964		2154
1965	$map->{last_save} = $cf::RUNTIME;	2155	$map->{last_save} = $cf::RUNTIME;
1966		2156
…		…
1968	or return;	2158	or return;
1969		2159
1970	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2160	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1971	# doing this can freeze the server in a sync job, obviously	2161	# doing this can freeze the server in a sync job, obviously
1972	#$cf::WAIT_FOR_TICK->wait;	2162	#$cf::WAIT_FOR_TICK->wait;
		2163	undef $guard2;
1973	undef $guard1;	2164	undef $guard1;
1974	undef $guard2;
1975	$map->reset;	2165	$map->reset;
1976	return find $path;	2166	return find $path;
1977	}	2167	}
1978		2168
1979	$cf::MAP{$path} = $map	2169	$cf::MAP{$path} = $map
1980	}	2170	}
1981	}	2171	}
1982		2172
1983	sub pre_load { }	2173	sub pre_load { }
1984	sub post_load { }	2174	#sub post_load { } # XS
1985		2175
1986	sub load {	2176	sub load {
1987	my ($self) = @_;	2177	my ($self) = @_;
1988		2178
1989	local $self->{deny_reset} = 1; # loading can take a long time	2179	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2001	$self->alloc;	2191	$self->alloc;
2002		2192
2003	$self->pre_load;	2193	$self->pre_load;
2004	cf::cede_to_tick;	2194	cf::cede_to_tick;
2005		2195
		2196	if (exists $self->{load_path}) {
2006	my $f = new_from_file cf::object::thawer $self->{load_path};	2197	my $f = new_from_file cf::object::thawer $self->{load_path};
2007	$f->skip_block;	2198	$f->skip_block;
2008	$self->_load_objects ($f)	2199	$self->_load_objects ($f)
2009	or return;	2200	or return;
2010		2201
2011	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2202	$self->post_load_original
2012	if delete $self->{load_original};	2203	if delete $self->{load_original};
2013		2204
2014	if (my $uniq = $self->uniq_path) {	2205	if (my $uniq = $self->uniq_path) {
2015	utf8::encode $uniq;	2206	utf8::encode $uniq;
2016	unless (aio_stat $uniq) {	2207	unless (aio_stat $uniq) {
2017	if (my $f = new_from_file cf::object::thawer $uniq) {	2208	if (my $f = new_from_file cf::object::thawer $uniq) {
2018	$self->clear_unique_items;	2209	$self->clear_unique_items;
2019	$self->_load_objects ($f);	2210	$self->_load_objects ($f);
2020	$f->resolve_delayed_derefs;	2211	$f->resolve_delayed_derefs;
		2212	}
2021	}	2213	}
2022	}	2214	}
2023	}
2024		2215
2025	$f->resolve_delayed_derefs;	2216	$f->resolve_delayed_derefs;
		2217	}
2026		2218
2027	cf::cede_to_tick;	2219	cf::cede_to_tick;
2028	# now do the right thing for maps	2220	# now do the right thing for maps
2029	$self->link_multipart_objects;	2221	$self->link_multipart_objects;
2030	$self->difficulty ($self->estimate_difficulty)	2222	$self->difficulty ($self->estimate_difficulty)
…		…
2034	unless ($self->{deny_activate}) {	2226	unless ($self->{deny_activate}) {
2035	$self->decay_objects;	2227	$self->decay_objects;
2036	$self->fix_auto_apply;	2228	$self->fix_auto_apply;
2037	$self->update_buttons;	2229	$self->update_buttons;
2038	cf::cede_to_tick;	2230	cf::cede_to_tick;
2039	$self->set_darkness_map;
2040	cf::cede_to_tick;
2041	$self->activate;	2231	$self->activate;
2042	}	2232	}
2043		2233
2044	$self->{last_save} = $cf::RUNTIME;	2234	$self->{last_save} = $cf::RUNTIME;
2045	$self->last_access ($cf::RUNTIME);	2235	$self->last_access ($cf::RUNTIME);
2046		2236
2047	$self->in_memory (cf::MAP_IN_MEMORY);	2237	$self->in_memory (cf::MAP_ACTIVE);
2048	}	2238	}
2049		2239
2050	$self->post_load;	2240	$self->post_load;
2051	}
2052		2241
		2242	1
		2243	}
		2244
		2245	# customize the map for a given player, i.e.
		2246	# return the _real_ map. used by e.g. per-player
		2247	# maps to change the path to ~playername/mappath
2053	sub customise_for {	2248	sub customise_for {
2054	my ($self, $ob) = @_;	2249	my ($self, $ob) = @_;
2055		2250
2056	return find "~" . $ob->name . "/" . $self->{path}	2251	return find "~" . $ob->name . "/" . $self->{path}
2057	if $self->per_player;	2252	if $self->per_player;
…		…
2073	or next;	2268	or next;
2074	$neigh = find $neigh, $map	2269	$neigh = find $neigh, $map
2075	or next;	2270	or next;
2076	$neigh->load;	2271	$neigh->load;
2077		2272
		2273	# now find the diagonal neighbours
2078	push @neigh,	2274	push @neigh,
2079	[$neigh->tile_path (($_ + 3) % 4), $neigh],	2275	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2080	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2276	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2081	}	2277	}
2082		2278
…		…
2089	}	2285	}
2090		2286
2091	sub find_sync {	2287	sub find_sync {
2092	my ($path, $origin) = @_;	2288	my ($path, $origin) = @_;
2093		2289
2094	cf::sync_job { find $path, $origin }	2290	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2291	if $Coro::current == $Coro::main;
		2292
		2293	find $path, $origin
2095	}	2294	}
2096		2295
2097	sub do_load_sync {	2296	sub do_load_sync {
2098	my ($map) = @_;	2297	my ($map) = @_;
2099		2298
2100	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2299	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2101	if $Coro::current == $Coro::main;	2300	if $Coro::current == $Coro::main;
2102		2301
2103	cf::sync_job { $map->load };	2302	$map->load;
2104	}	2303	}
2105		2304
2106	our %MAP_PREFETCH;	2305	our %MAP_PREFETCH;
2107	our $MAP_PREFETCHER = undef;	2306	our $MAP_PREFETCHER = undef;
2108		2307
2109	sub find_async {	2308	sub find_async {
2110	my ($path, $origin, $load) = @_;	2309	my ($path, $origin, $load) = @_;
2111		2310
2112	$path = normalise $path, $origin && $origin->{path};	2311	$path = normalise $path, $origin;
2113		2312
2114	if (my $map = $cf::MAP{$path}) {	2313	if (my $map = $cf::MAP{$path}) {
2115	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2314	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2116	}	2315	}
2117		2316
2118	$MAP_PREFETCH{$path} |= $load;	2317	$MAP_PREFETCH{$path} |= $load;
2119		2318
2120	$MAP_PREFETCHER ||= cf::async {	2319	$MAP_PREFETCHER ||= cf::async {
…		…
2134	$MAP_PREFETCHER->prio (6);	2333	$MAP_PREFETCHER->prio (6);
2135		2334
2136	()	2335	()
2137	}	2336	}
2138		2337
		2338	# common code, used by both ->save and ->swapout
2139	sub save {	2339	sub _save {
2140	my ($self) = @_;	2340	my ($self) = @_;
2141
2142	my $lock = cf::lock_acquire "map_data:$self->{path}";
2143		2341
2144	$self->{last_save} = $cf::RUNTIME;	2342	$self->{last_save} = $cf::RUNTIME;
2145		2343
2146	return unless $self->dirty;	2344	return unless $self->dirty;
2147		2345
…		…
2156		2354
2157	cf::async {	2355	cf::async {
2158	$Coro::current->{desc} = "map player save";	2356	$Coro::current->{desc} = "map player save";
2159	$_->contr->save for $self->players;	2357	$_->contr->save for $self->players;
2160	};	2358	};
		2359
		2360	cf::get_slot 0.02;
2161		2361
2162	if ($uniq) {	2362	if ($uniq) {
2163	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2363	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2164	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2364	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2165	} else {	2365	} else {
2166	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2366	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2167	}	2367	}
2168	}	2368	}
2169		2369
		2370	sub save {
		2371	my ($self) = @_;
		2372
		2373	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2374
		2375	$self->_save;
		2376	}
		2377
2170	sub swap_out {	2378	sub swap_out {
2171	my ($self) = @_;	2379	my ($self) = @_;
2172		2380
2173	# save first because save cedes
2174	$self->save;
2175
2176	my $lock = cf::lock_acquire "map_data:$self->{path}";	2381	my $lock = cf::lock_acquire "map_data:$self->{path}";
2177		2382
		2383	return if $self->in_memory != cf::MAP_ACTIVE;
		2384	return if $self->{deny_save};
2178	return if $self->players;	2385	return if $self->players;
2179	return if $self->in_memory != cf::MAP_IN_MEMORY;
2180	return if $self->{deny_save};
2181		2386
		2387	# first deactivate the map and "unlink" it from the core
		2388	$self->deactivate;
		2389	$_->clear_links_to ($self) for values %cf::MAP;
2182	$self->in_memory (cf::MAP_SWAPPED);	2390	$self->in_memory (cf::MAP_SWAPPED);
		2391
		2392	# then atomically save
		2393	$self->_save;
		2394
		2395	# then free the map
		2396	$self->clear;
		2397	}
		2398
		2399	sub reset_at {
		2400	my ($self) = @_;
		2401
		2402	# TODO: safety, remove and allow resettable per-player maps
		2403	return 1e99 if $self->{deny_reset};
		2404
		2405	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2406	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2407
		2408	$time + $to
		2409	}
		2410
		2411	sub should_reset {
		2412	my ($self) = @_;
		2413
		2414	$self->reset_at <= $cf::RUNTIME
		2415	}
		2416
		2417	sub reset {
		2418	my ($self) = @_;
		2419
		2420	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2421
		2422	return if $self->players;
		2423
		2424	cf::trace "resetting map ", $self->path, "\n";
		2425
		2426	$self->in_memory (cf::MAP_SWAPPED);
		2427
		2428	# need to save uniques path
		2429	unless ($self->{deny_save}) {
		2430	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2431
		2432	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2433	if $uniq;
		2434	}
		2435
		2436	delete $cf::MAP{$self->path};
2183		2437
2184	$self->deactivate;	2438	$self->deactivate;
2185	$_->clear_links_to ($self) for values %cf::MAP;	2439	$_->clear_links_to ($self) for values %cf::MAP;
2186	$self->clear;	2440	$self->clear;
2187	}
2188
2189	sub reset_at {
2190	my ($self) = @_;
2191
2192	# TODO: safety, remove and allow resettable per-player maps
2193	return 1e99 if $self->{deny_reset};
2194
2195	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2196	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2197
2198	$time + $to
2199	}
2200
2201	sub should_reset {
2202	my ($self) = @_;
2203
2204	$self->reset_at <= $cf::RUNTIME
2205	}
2206
2207	sub reset {
2208	my ($self) = @_;
2209
2210	my $lock = cf::lock_acquire "map_data:$self->{path}";
2211
2212	return if $self->players;
2213
2214	warn "resetting map ", $self->path;
2215
2216	$self->in_memory (cf::MAP_SWAPPED);
2217
2218	# need to save uniques path
2219	unless ($self->{deny_save}) {
2220	my $uniq = $self->uniq_path; utf8::encode $uniq;
2221
2222	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2223	if $uniq;
2224	}
2225
2226	delete $cf::MAP{$self->path};
2227
2228	$self->deactivate;
2229	$_->clear_links_to ($self) for values %cf::MAP;
2230	$self->clear;
2231		2441
2232	$self->unlink_save;	2442	$self->unlink_save;
2233	$self->destroy;	2443	$self->destroy;
2234	}	2444	}
2235		2445
…		…
2243		2453
2244	delete $cf::MAP{$self->path};	2454	delete $cf::MAP{$self->path};
2245		2455
2246	$self->unlink_save;	2456	$self->unlink_save;
2247		2457
2248	bless $self, "cf::map";	2458	bless $self, "cf::map::wrap";
2249	delete $self->{deny_reset};	2459	delete $self->{deny_reset};
2250	$self->{deny_save} = 1;	2460	$self->{deny_save} = 1;
2251	$self->reset_timeout (1);	2461	$self->reset_timeout (1);
2252	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2462	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2253		2463
…		…
2302		2512
2303	sub unique_maps() {	2513	sub unique_maps() {
2304	[	2514	[
2305	map {	2515	map {
2306	utf8::decode $_;	2516	utf8::decode $_;
2307	/\.map$/	2517	s/\.map$//; # TODO future compatibility hack
		2518	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2519	? ()
2308	? normalise $_	2520	: normalise $_
2309	: ()
2310	} @{ aio_readdir $UNIQUEDIR or [] }	2521	} @{ aio_readdir $UNIQUEDIR or [] }
2311	]	2522	]
2312	}	2523	}
2313		2524
2314	package cf;	2525	=item cf::map::static_maps
		2526
		2527	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2528	file in the shared directory excluding F</styles> and F</editor>). May
		2529	block.
		2530
		2531	=cut
		2532
		2533	sub static_maps() {
		2534	my @dirs = "";
		2535	my @maps;
		2536
		2537	while (@dirs) {
		2538	my $dir = shift @dirs;
		2539
		2540	next if $dir eq "/styles" || $dir eq "/editor";
		2541
		2542	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2543	or return;
		2544
		2545	for (@$files) {
		2546	s/\.map$// or next;
		2547	utf8::decode $_;
		2548	push @maps, "$dir/$_";
		2549	}
		2550
		2551	push @dirs, map "$dir/$_", @$dirs;
		2552	}
		2553
		2554	\@maps
		2555	}
2315		2556
2316	=back	2557	=back
2317		2558
2318	=head3 cf::object	2559	=head3 cf::object
2319		2560
…		…
2323		2564
2324	=over 4	2565	=over 4
2325		2566
2326	=item $ob->inv_recursive	2567	=item $ob->inv_recursive
2327		2568
2328	Returns the inventory of the object _and_ their inventories, recursively.	2569	Returns the inventory of the object I<and> their inventories, recursively,
		2570	but I<not> the object itself.
2329		2571
2330	=cut	2572	=cut
2331		2573
2332	sub inv_recursive_;	2574	sub inv_recursive_;
2333	sub inv_recursive_ {	2575	sub inv_recursive_ {
…		…
2338	inv_recursive_ inv $_[0]	2580	inv_recursive_ inv $_[0]
2339	}	2581	}
2340		2582
2341	=item $ref = $ob->ref	2583	=item $ref = $ob->ref
2342		2584
2343	creates and returns a persistent reference to an objetc that can be stored as a string.	2585	Creates and returns a persistent reference to an object that can be stored as a string.
2344		2586
2345	=item $ob = cf::object::deref ($refstring)	2587	=item $ob = cf::object::deref ($refstring)
2346		2588
2347	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2589	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2348	even if the object actually exists. May block.	2590	even if the object actually exists. May block.
…		…
2380	can be C<undef>. Does the right thing when the player is currently in a	2622	can be C<undef>. Does the right thing when the player is currently in a
2381	dialogue with the given NPC character.	2623	dialogue with the given NPC character.
2382		2624
2383	=cut	2625	=cut
2384		2626
		2627	our $SAY_CHANNEL = {
		2628	id => "say",
		2629	title => "Map",
		2630	reply => "say ",
		2631	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2632	};
		2633
		2634	our $CHAT_CHANNEL = {
		2635	id => "chat",
		2636	title => "Chat",
		2637	reply => "chat ",
		2638	tooltip => "Player chat and shouts, global to the server.",
		2639	};
		2640
2385	# rough implementation of a future "reply" method that works	2641	# rough implementation of a future "reply" method that works
2386	# with dialog boxes.	2642	# with dialog boxes.
2387	#TODO: the first argument must go, split into a $npc->reply_to ( method	2643	#TODO: the first argument must go, split into a $npc->reply_to ( method
2388	sub cf::object::player::reply($$$;$) {	2644	sub cf::object::player::reply($$$;$) {
2389	my ($self, $npc, $msg, $flags) = @_;	2645	my ($self, $npc, $msg, $flags) = @_;
…		…
2400	my $dialog = $pl->{npc_dialog};	2656	my $dialog = $pl->{npc_dialog};
2401	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2657	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2402		2658
2403	} else {	2659	} else {
2404	$msg = $npc->name . " says: $msg" if $npc;	2660	$msg = $npc->name . " says: $msg" if $npc;
2405	$self->message ($msg, $flags);	2661	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2406	}	2662	}
2407	}	2663	}
2408	}	2664	}
2409		2665
2410	=item $object->send_msg ($channel, $msg, $color, [extra...])	2666	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2435		2691
2436	=item $player_object->enter_link	2692	=item $player_object->enter_link
2437		2693
2438	Freezes the player and moves him/her to a special map (C<{link}>).	2694	Freezes the player and moves him/her to a special map (C<{link}>).
2439		2695
2440	The player should be reasonably safe there for short amounts of time. You	2696	The player should be reasonably safe there for short amounts of time (e.g.
2441	I<MUST> call C<leave_link> as soon as possible, though.	2697	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2698	though, as the player cannot control the character while it is on the link
		2699	map.
2442		2700
2443	Will never block.	2701	Will never block.
2444		2702
2445	=item $player_object->leave_link ($map, $x, $y)	2703	=item $player_object->leave_link ($map, $x, $y)
2446		2704
…		…
2466	sub cf::object::player::enter_link {	2724	sub cf::object::player::enter_link {
2467	my ($self) = @_;	2725	my ($self) = @_;
2468		2726
2469	$self->deactivate_recursive;	2727	$self->deactivate_recursive;
2470		2728
		2729	++$self->{_link_recursion};
		2730
2471	return if UNIVERSAL::isa $self->map, "ext::map_link";	2731	return if UNIVERSAL::isa $self->map, "ext::map_link";
2472		2732
2473	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2733	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2474	if $self->map && $self->map->{path} ne "{link}";	2734	if $self->map && $self->map->{path} ne "{link}";
2475		2735
2476	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2736	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2477	}	2737	}
2478		2738
2479	sub cf::object::player::leave_link {	2739	sub cf::object::player::leave_link {
2480	my ($self, $map, $x, $y) = @_;	2740	my ($self, $map, $x, $y) = @_;
2481		2741
…		…
2498	($x, $y) = (-1, -1)	2758	($x, $y) = (-1, -1)
2499	unless (defined $x) && (defined $y);	2759	unless (defined $x) && (defined $y);
2500		2760
2501	# use -1 or undef as default coordinates, not 0, 0	2761	# use -1 or undef as default coordinates, not 0, 0
2502	($x, $y) = ($map->enter_x, $map->enter_y)	2762	($x, $y) = ($map->enter_x, $map->enter_y)
2503	if $x <=0 && $y <= 0;	2763	if $x <= 0 && $y <= 0;
2504		2764
2505	$map->load;	2765	$map->load;
2506	$map->load_neighbours;	2766	$map->load_neighbours;
2507		2767
2508	return unless $self->contr->active;	2768	return unless $self->contr->active;
2509	$self->activate_recursive;
2510		2769
2511	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2770	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2512	$self->enter_map ($map, $x, $y);	2771	if ($self->enter_map ($map, $x, $y)) {
2513	}	2772	# entering was successful
		2773	delete $self->{_link_recursion};
		2774	# only activate afterwards, to support waiting in hooks
		2775	$self->activate_recursive;
		2776	}
2514		2777
		2778	}
		2779
2515	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2780	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2516		2781
2517	Moves the player to the given map-path and coordinates by first freezing	2782	Moves the player to the given map-path and coordinates by first freezing
2518	her, loading and preparing them map, calling the provided $check callback	2783	her, loading and preparing them map, calling the provided $check callback
2519	that has to return the map if sucecssful, and then unfreezes the player on	2784	that has to return the map if sucecssful, and then unfreezes the player on
2520	the new (success) or old (failed) map position. In either case, $done will	2785	the new (success) or old (failed) map position. In either case, $done will
2521	be called at the end of this process.	2786	be called at the end of this process.
2522		2787
		2788	Note that $check will be called with a potentially non-loaded map, so if
		2789	it needs a loaded map it has to call C<< ->load >>.
		2790
2523	=cut	2791	=cut
2524		2792
2525	our $GOTOGEN;	2793	our $GOTOGEN;
2526		2794
2527	sub cf::object::player::goto {	2795	sub cf::object::player::goto {
2528	my ($self, $path, $x, $y, $check, $done) = @_;	2796	my ($self, $path, $x, $y, $check, $done) = @_;
		2797
		2798	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2799	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2800	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2801	($path, $x, $y) = @$EMERGENCY_POSITION;
		2802	}
2529		2803
2530	# do generation counting so two concurrent goto's will be executed in-order	2804	# do generation counting so two concurrent goto's will be executed in-order
2531	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2805	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2532		2806
2533	$self->enter_link;	2807	$self->enter_link;
…		…
2553	($path, $x, $y) = (undef, undef, undef);	2827	($path, $x, $y) = (undef, undef, undef);
2554	}	2828	}
2555	}	2829	}
2556		2830
2557	my $map = eval {	2831	my $map = eval {
2558	my $map = defined $path ? cf::map::find $path : undef;	2832	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2559		2833
2560	if ($map) {	2834	if ($map) {
2561	$map = $map->customise_for ($self);	2835	$map = $map->customise_for ($self);
2562	$map = $check->($map) if $check && $map;	2836	$map = $check->($map, $x, $y, $self) if $check && $map;
2563	} else {	2837	} else {
2564	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2838	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2565	}	2839	}
2566		2840
2567	$map	2841	$map
…		…
2575	if ($gen == $self->{_goto_generation}) {	2849	if ($gen == $self->{_goto_generation}) {
2576	delete $self->{_goto_generation};	2850	delete $self->{_goto_generation};
2577	$self->leave_link ($map, $x, $y);	2851	$self->leave_link ($map, $x, $y);
2578	}	2852	}
2579		2853
2580	$done->() if $done;	2854	$done->($self) if $done;
2581	})->prio (1);	2855	})->prio (1);
2582	}	2856	}
2583		2857
2584	=item $player_object->enter_exit ($exit_object)	2858	=item $player_object->enter_exit ($exit_object)
2585		2859
…		…
2605	}	2879	}
2606		2880
2607	sub prepare_random_map {	2881	sub prepare_random_map {
2608	my ($exit) = @_;	2882	my ($exit) = @_;
2609		2883
2610	my $guard = cf::lock_acquire "exit_prepare:$exit";
2611
2612	# all this does is basically replace the /! path by	2884	# all this does is basically replace the /! path by
2613	# a new random map path (?random/...) with a seed	2885	# a new random map path (?random/...) with a seed
2614	# that depends on the exit object	2886	# that depends on the exit object
2615		2887
2616	my $rmp = parse_random_map_params $exit->msg;	2888	my $rmp = parse_random_map_params $exit->msg;
…		…
2618	if ($exit->map) {	2890	if ($exit->map) {
2619	$rmp->{region} = $exit->region->name;	2891	$rmp->{region} = $exit->region->name;
2620	$rmp->{origin_map} = $exit->map->path;	2892	$rmp->{origin_map} = $exit->map->path;
2621	$rmp->{origin_x} = $exit->x;	2893	$rmp->{origin_x} = $exit->x;
2622	$rmp->{origin_y} = $exit->y;	2894	$rmp->{origin_y} = $exit->y;
		2895
		2896	$exit->map->touch;
2623	}	2897	}
2624		2898
2625	$rmp->{random_seed} ||= $exit->random_seed;	2899	$rmp->{random_seed} ||= $exit->random_seed;
2626		2900
2627	my $data = cf::to_json $rmp;	2901	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2628	my $md5 = Digest::MD5::md5_hex $data;	2902	my $md5 = Digest::MD5::md5_hex $data;
2629	my $meta = "$RANDOMDIR/$md5.meta";	2903	my $meta = "$RANDOMDIR/$md5.meta";
2630		2904
2631	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2905	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2632	aio_write $fh, 0, (length $data), $data, 0;	2906	aio_write $fh, 0, (length $data), $data, 0;
2633	undef $fh;	2907	undef $fh;
2634	aio_rename "$meta~", $meta;	2908	aio_rename "$meta~", $meta;
2635		2909
		2910	my $slaying = "?random/$md5";
		2911
		2912	if ($exit->valid) {
2636	$exit->slaying ("?random/$md5");	2913	$exit->slaying ("?random/$md5");
2637	$exit->msg (undef);	2914	$exit->msg (undef);
		2915	}
2638	}	2916	}
2639	}	2917	}
2640		2918
2641	sub cf::object::player::enter_exit {	2919	sub cf::object::player::enter_exit {
2642	my ($self, $exit) = @_;	2920	my ($self, $exit) = @_;
2643		2921
2644	return unless $self->type == cf::PLAYER;	2922	return unless $self->type == cf::PLAYER;
2645		2923
2646	if ($exit->slaying eq "/!") {
2647	#TODO: this should de-fi-ni-te-ly not be a sync-job
2648	# the problem is that $exit might not survive long enough
2649	# so it needs to be done right now, right here
2650	cf::sync_job { prepare_random_map $exit };
2651	}
2652
2653	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2654	my $hp = $exit->stats->hp;
2655	my $sp = $exit->stats->sp;
2656
2657	$self->enter_link;	2924	$self->enter_link;
2658		2925
2659	# if exit is damned, update players death & WoR home-position
2660	$self->contr->savebed ($slaying, $hp, $sp)
2661	if $exit->flag (FLAG_DAMNED);
2662
2663	(async {	2926	(async {
2664	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2927	$Coro::current->{desc} = "enter_exit";
2665		2928
2666	$self->deactivate_recursive; # just to be sure
2667	unless (eval {	2929	unless (eval {
		2930	$self->deactivate_recursive; # just to be sure
		2931
		2932	# random map handling
		2933	{
		2934	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2935
		2936	prepare_random_map $exit
		2937	if $exit->slaying eq "/!";
		2938	}
		2939
		2940	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2941	my $x = $exit->stats->hp;
		2942	my $y = $exit->stats->sp;
		2943
2668	$self->goto ($slaying, $hp, $sp);	2944	$self->goto ($map, $x, $y);
2669		2945
		2946	# if exit is damned, update players death & WoR home-position
		2947	$self->contr->savebed ($map, $x, $y)
		2948	if $exit->flag (cf::FLAG_DAMNED);
		2949
2670	1;	2950	1
2671	}) {	2951	}) {
2672	$self->message ("Something went wrong deep within the crossfire server. "	2952	$self->message ("Something went wrong deep within the deliantra server. "
2673	. "I'll try to bring you back to the map you were before. "	2953	. "I'll try to bring you back to the map you were before. "
2674	. "Please report this to the dungeon master!",	2954	. "Please report this to the dungeon master!",
2675	cf::NDI_UNIQUE | cf::NDI_RED);	2955	cf::NDI_UNIQUE | cf::NDI_RED);
2676		2956
2677	warn "ERROR in enter_exit: $@";	2957	error "ERROR in enter_exit: $@";
2678	$self->leave_link;	2958	$self->leave_link;
2679	}	2959	}
2680	})->prio (1);	2960	})->prio (1);
2681	}	2961	}
2682		2962
…		…
2694	sub cf::client::send_drawinfo {	2974	sub cf::client::send_drawinfo {
2695	my ($self, $text, $flags) = @_;	2975	my ($self, $text, $flags) = @_;
2696		2976
2697	utf8::encode $text;	2977	utf8::encode $text;
2698	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2978	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2979	}
		2980
		2981	=item $client->send_big_packet ($pkt)
		2982
		2983	Like C<send_packet>, but tries to compress large packets, and fragments
		2984	them as required.
		2985
		2986	=cut
		2987
		2988	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2989
		2990	sub cf::client::send_big_packet {
		2991	my ($self, $pkt) = @_;
		2992
		2993	# try lzf for large packets
		2994	$pkt = "lzf " . Compress::LZF::compress $pkt
		2995	if 1024 <= length $pkt and $self->{can_lzf};
		2996
		2997	# split very large packets
		2998	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2999	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3000	$pkt = "frag";
		3001	}
		3002
		3003	$self->send_packet ($pkt);
2699	}	3004	}
2700		3005
2701	=item $client->send_msg ($channel, $msg, $color, [extra...])	3006	=item $client->send_msg ($channel, $msg, $color, [extra...])
2702		3007
2703	Send a drawinfo or msg packet to the client, formatting the msg for the	3008	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2707		3012
2708	=cut	3013	=cut
2709		3014
2710	# non-persistent channels (usually the info channel)	3015	# non-persistent channels (usually the info channel)
2711	our %CHANNEL = (	3016	our %CHANNEL = (
		3017	"c/motd" => {
		3018	id => "infobox",
		3019	title => "MOTD",
		3020	reply => undef,
		3021	tooltip => "The message of the day",
		3022	},
2712	"c/identify" => {	3023	"c/identify" => {
2713	id => "infobox",	3024	id => "infobox",
2714	title => "Identify",	3025	title => "Identify",
2715	reply => undef,	3026	reply => undef,
2716	tooltip => "Items recently identified",	3027	tooltip => "Items recently identified",
…		…
2718	"c/examine" => {	3029	"c/examine" => {
2719	id => "infobox",	3030	id => "infobox",
2720	title => "Examine",	3031	title => "Examine",
2721	reply => undef,	3032	reply => undef,
2722	tooltip => "Signs and other items you examined",	3033	tooltip => "Signs and other items you examined",
		3034	},
		3035	"c/shopinfo" => {
		3036	id => "infobox",
		3037	title => "Shop Info",
		3038	reply => undef,
		3039	tooltip => "What your bargaining skill tells you about the shop",
2723	},	3040	},
2724	"c/book" => {	3041	"c/book" => {
2725	id => "infobox",	3042	id => "infobox",
2726	title => "Book",	3043	title => "Book",
2727	reply => undef,	3044	reply => undef,
…		…
2743	id => "infobox",	3060	id => "infobox",
2744	title => "Body Parts",	3061	title => "Body Parts",
2745	reply => undef,	3062	reply => undef,
2746	tooltip => "Shows which body parts you posess and are available",	3063	tooltip => "Shows which body parts you posess and are available",
2747	},	3064	},
		3065	"c/statistics" => {
		3066	id => "infobox",
		3067	title => "Statistics",
		3068	reply => undef,
		3069	tooltip => "Shows your primary statistics",
		3070	},
		3071	"c/skills" => {
		3072	id => "infobox",
		3073	title => "Skills",
		3074	reply => undef,
		3075	tooltip => "Shows your experience per skill and item power",
		3076	},
		3077	"c/shopitems" => {
		3078	id => "infobox",
		3079	title => "Shop Items",
		3080	reply => undef,
		3081	tooltip => "Shows the items currently for sale in this shop",
		3082	},
		3083	"c/resistances" => {
		3084	id => "infobox",
		3085	title => "Resistances",
		3086	reply => undef,
		3087	tooltip => "Shows your resistances",
		3088	},
		3089	"c/pets" => {
		3090	id => "infobox",
		3091	title => "Pets",
		3092	reply => undef,
		3093	tooltip => "Shows information abotu your pets/a specific pet",
		3094	},
		3095	"c/perceiveself" => {
		3096	id => "infobox",
		3097	title => "Perceive Self",
		3098	reply => undef,
		3099	tooltip => "You gained detailed knowledge about yourself",
		3100	},
2748	"c/uptime" => {	3101	"c/uptime" => {
2749	id => "infobox",	3102	id => "infobox",
2750	title => "Uptime",	3103	title => "Uptime",
2751	reply => undef,	3104	reply => undef,
2752	tooltip => "How long the server has been running since last restart",	3105	tooltip => "How long the server has been running since last restart",
…		…
2755	id => "infobox",	3108	id => "infobox",
2756	title => "Map Info",	3109	title => "Map Info",
2757	reply => undef,	3110	reply => undef,
2758	tooltip => "Information related to the maps",	3111	tooltip => "Information related to the maps",
2759	},	3112	},
		3113	"c/party" => {
		3114	id => "party",
		3115	title => "Party",
		3116	reply => "gsay ",
		3117	tooltip => "Messages and chat related to your party",
		3118	},
		3119	"c/death" => {
		3120	id => "death",
		3121	title => "Death",
		3122	reply => undef,
		3123	tooltip => "Reason for and more info about your most recent death",
		3124	},
		3125	"c/say" => $SAY_CHANNEL,
		3126	"c/chat" => $CHAT_CHANNEL,
2760	);	3127	);
2761		3128
2762	sub cf::client::send_msg {	3129	sub cf::client::send_msg {
2763	my ($self, $channel, $msg, $color, @extra) = @_;	3130	my ($self, $channel, $msg, $color, @extra) = @_;
2764		3131
2765	$msg = $self->pl->expand_cfpod ($msg);	3132	$msg = $self->pl->expand_cfpod ($msg)
		3133	unless $color & cf::NDI_VERBATIM;
2766		3134
2767	$color &= cf::NDI_CLIENT_MASK; # just in case...	3135	$color &= cf::NDI_CLIENT_MASK; # just in case...
2768		3136
2769	# check predefined channels, for the benefit of C	3137	# check predefined channels, for the benefit of C
2770	if ($CHANNEL{$channel}) {	3138	if ($CHANNEL{$channel}) {
2771	$channel = $CHANNEL{$channel};	3139	$channel = $CHANNEL{$channel};
2772		3140
2773	$self->ext_msg (channel_info => $channel)	3141	$self->ext_msg (channel_info => $channel);
2774	if $self->can_msg;
2775
2776	$channel = $channel->{id};	3142	$channel = $channel->{id};
2777		3143
2778	} elsif (ref $channel) {	3144	} elsif (ref $channel) {
2779	# send meta info to client, if not yet sent	3145	# send meta info to client, if not yet sent
2780	unless (exists $self->{channel}{$channel->{id}}) {	3146	unless (exists $self->{channel}{$channel->{id}}) {
2781	$self->{channel}{$channel->{id}} = $channel;	3147	$self->{channel}{$channel->{id}} = $channel;
2782	$self->ext_msg (channel_info => $channel)	3148	$self->ext_msg (channel_info => $channel);
2783	if $self->can_msg;
2784	}	3149	}
2785		3150
2786	$channel = $channel->{id};	3151	$channel = $channel->{id};
2787	}	3152	}
2788		3153
2789	return unless @extra || length $msg;	3154	return unless @extra || length $msg;
2790		3155
2791	if ($self->can_msg) {
2792	# default colour, mask it out	3156	# default colour, mask it out
2793	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3157	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2794	if $color & cf::NDI_DEF;	3158	if $color & cf::NDI_DEF;
2795		3159
2796	$self->send_packet ("msg " . $self->{json_coder}->encode (	3160	my $pkt = "msg "
		3161	. $self->{json_coder}->encode (
2797	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3162	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2798	} else {	3163	);
2799	if ($color >= 0) {
2800	# replace some tags by gcfclient-compatible ones
2801	for ($msg) {
2802	1 while
2803	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2804	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2805	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2806	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2807	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2808	}
2809		3164
2810	$color &= cf::NDI_COLOR_MASK;	3165	$self->send_big_packet ($pkt);
2811
2812	utf8::encode $msg;
2813
2814	if (0 && $msg =~ /\[/) {
2815	# COMMAND/INFO
2816	$self->send_packet ("drawextinfo $color 10 8 $msg")
2817	} else {
2818	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2819	$self->send_packet ("drawinfo $color $msg")
2820	}
2821	}
2822	}
2823	}	3166	}
2824		3167
2825	=item $client->ext_msg ($type, @msg)	3168	=item $client->ext_msg ($type, @msg)
2826		3169
2827	Sends an ext event to the client.	3170	Sends an ext event to the client.
…		…
2830		3173
2831	sub cf::client::ext_msg($$@) {	3174	sub cf::client::ext_msg($$@) {
2832	my ($self, $type, @msg) = @_;	3175	my ($self, $type, @msg) = @_;
2833		3176
2834	if ($self->extcmd == 2) {	3177	if ($self->extcmd == 2) {
2835	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3178	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2836	} elsif ($self->extcmd == 1) { # TODO: remove	3179	} elsif ($self->extcmd == 1) { # TODO: remove
2837	push @msg, msgtype => "event_$type";	3180	push @msg, msgtype => "event_$type";
2838	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3181	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2839	}	3182	}
2840	}	3183	}
2841		3184
2842	=item $client->ext_reply ($msgid, @msg)	3185	=item $client->ext_reply ($msgid, @msg)
2843		3186
…		…
2847		3190
2848	sub cf::client::ext_reply($$@) {	3191	sub cf::client::ext_reply($$@) {
2849	my ($self, $id, @msg) = @_;	3192	my ($self, $id, @msg) = @_;
2850		3193
2851	if ($self->extcmd == 2) {	3194	if ($self->extcmd == 2) {
2852	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3195	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2853	} elsif ($self->extcmd == 1) {	3196	} elsif ($self->extcmd == 1) {
2854	#TODO: version 1, remove	3197	#TODO: version 1, remove
2855	unshift @msg, msgtype => "reply", msgid => $id;	3198	unshift @msg, msgtype => "reply", msgid => $id;
2856	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3199	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2857	}	3200	}
2858	}	3201	}
2859		3202
2860	=item $success = $client->query ($flags, "text", \&cb)	3203	=item $success = $client->query ($flags, "text", \&cb)
2861		3204
…		…
2932		3275
2933	$ns->ext_reply ($reply, @reply)	3276	$ns->ext_reply ($reply, @reply)
2934	if $reply;	3277	if $reply;
2935		3278
2936	} else {	3279	} else {
2937	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3280	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2938	}	3281	}
2939		3282
2940	cf::override;	3283	cf::override;
2941	},	3284	},
2942	);	3285	);
…		…
2962		3305
2963	$coro	3306	$coro
2964	}	3307	}
2965		3308
2966	cf::client->attach (	3309	cf::client->attach (
2967	on_destroy => sub {	3310	on_client_destroy => sub {
2968	my ($ns) = @_;	3311	my ($ns) = @_;
2969		3312
2970	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3313	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2971	},	3314	},
2972	);	3315	);
…		…
2988	our $safe_hole = new Safe::Hole;	3331	our $safe_hole = new Safe::Hole;
2989		3332
2990	$SIG{FPE} = 'IGNORE';	3333	$SIG{FPE} = 'IGNORE';
2991		3334
2992	$safe->permit_only (Opcode::opset qw(	3335	$safe->permit_only (Opcode::opset qw(
2993	:base_core :base_mem :base_orig :base_math	3336	:base_core :base_mem :base_orig :base_math :base_loop
2994	grepstart grepwhile mapstart mapwhile	3337	grepstart grepwhile mapstart mapwhile
2995	sort time	3338	sort time
2996	));	3339	));
2997		3340
2998	# here we export the classes and methods available to script code	3341	# here we export the classes and methods available to script code
…		…
3001		3344
3002	The following functions and methods are available within a safe environment:	3345	The following functions and methods are available within a safe environment:
3003		3346
3004	cf::object	3347	cf::object
3005	contr pay_amount pay_player map x y force_find force_add destroy	3348	contr pay_amount pay_player map x y force_find force_add destroy
3006	insert remove name archname title slaying race decrease_ob_nr	3349	insert remove name archname title slaying race decrease split
		3350	value
3007		3351
3008	cf::object::player	3352	cf::object::player
3009	player	3353	player
3010		3354
3011	cf::player	3355	cf::player
…		…
3016		3360
3017	=cut	3361	=cut
3018		3362
3019	for (	3363	for (
3020	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3364	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3021	insert remove inv name archname title slaying race	3365	insert remove inv nrof name archname title slaying race
3022	decrease_ob_nr destroy)],	3366	decrease split destroy change_exp value msg lore send_msg)],
3023	["cf::object::player" => qw(player)],	3367	["cf::object::player" => qw(player)],
3024	["cf::player" => qw(peaceful)],	3368	["cf::player" => qw(peaceful send_msg)],
3025	["cf::map" => qw(trigger)],	3369	["cf::map" => qw(trigger)],
3026	) {	3370	) {
3027	no strict 'refs';
3028	my ($pkg, @funs) = @$_;	3371	my ($pkg, @funs) = @$_;
3029	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3372	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3030	for @funs;	3373	for @funs;
3031	}	3374	}
3032		3375
…		…
3047		3390
3048	my $qcode = $code;	3391	my $qcode = $code;
3049	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3392	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3050	$qcode =~ s/\n/\\n/g;	3393	$qcode =~ s/\n/\\n/g;
3051		3394
		3395	%vars = (_dummy => 0) unless %vars;
		3396
		3397	my @res;
3052	local $_;	3398	local $_;
3053	local @safe::cf::_safe_eval_args = values %vars;
3054		3399
3055	my $eval =	3400	my $eval =
3056	"do {\n"	3401	"do {\n"
3057	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3402	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3058	. "#line 0 \"{$qcode}\"\n"	3403	. "#line 0 \"{$qcode}\"\n"
3059	. $code	3404	. $code
3060	. "\n}"	3405	. "\n}"
3061	;	3406	;
3062		3407
		3408	if ($CFG{safe_eval}) {
3063	sub_generation_inc;	3409	sub_generation_inc;
		3410	local @safe::cf::_safe_eval_args = values %vars;
3064	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3411	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3065	sub_generation_inc;	3412	sub_generation_inc;
		3413	} else {
		3414	local @cf::_safe_eval_args = values %vars;
		3415	@res = wantarray ? eval eval : scalar eval $eval;
		3416	}
3066		3417
3067	if ($@) {	3418	if ($@) {
3068	warn "$@";	3419	warn "$@",
3069	warn "while executing safe code '$code'\n";	3420	"while executing safe code '$code'\n",
3070	warn "with arguments " . (join " ", %vars) . "\n";	3421	"with arguments " . (join " ", %vars) . "\n";
3071	}	3422	}
3072		3423
3073	wantarray ? @res : $res[0]	3424	wantarray ? @res : $res[0]
3074	}	3425	}
3075		3426
…		…
3089	=cut	3440	=cut
3090		3441
3091	sub register_script_function {	3442	sub register_script_function {
3092	my ($fun, $cb) = @_;	3443	my ($fun, $cb) = @_;
3093		3444
3094	no strict 'refs';	3445	$fun = "safe::$fun" if $CFG{safe_eval};
3095	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3446	*$fun = $safe_hole->wrap ($cb);
3096	}	3447	}
3097		3448
3098	=back	3449	=back
3099		3450
3100	=cut	3451	=cut
…		…
3109	# for this (global event?)	3460	# for this (global event?)
3110	%ext::player_env::MUSIC_FACE_CACHE = ();	3461	%ext::player_env::MUSIC_FACE_CACHE = ();
3111		3462
3112	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3463	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3113		3464
3114	warn "loading facedata from $path\n";	3465	trace "loading facedata from $path\n";
3115		3466
3116	my $facedata;	3467	my $facedata = decode_storable load_file $path;
3117	0 < aio_load $path, $facedata
3118	or die "$path: $!";
3119
3120	$facedata = Coro::Storable::thaw $facedata;
3121		3468
3122	$facedata->{version} == 2	3469	$facedata->{version} == 2
3123	or cf::cleanup "$path: version mismatch, cannot proceed.";	3470	or cf::cleanup "$path: version mismatch, cannot proceed.";
3124		3471
3125	# patch in the exptable	3472	# patch in the exptable
		3473	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3126	$facedata->{resource}{"res/exp_table"} = {	3474	$facedata->{resource}{"res/exp_table"} = {
3127	type => FT_RSRC,	3475	type => FT_RSRC,
3128	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3476	data => $exp_table,
		3477	hash => (Digest::MD5::md5 $exp_table),
3129	};	3478	};
3130	cf::cede_to_tick;	3479	cf::cede_to_tick;
3131		3480
3132	{	3481	{
3133	my $faces = $facedata->{faceinfo};	3482	my $faces = $facedata->{faceinfo};
3134		3483
3135	while (my ($face, $info) = each %$faces) {	3484	while (my ($face, $info) = each %$faces) {
3136	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3485	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3486
3137	cf::face::set_visibility $idx, $info->{visibility};	3487	cf::face::set_visibility $idx, $info->{visibility};
3138	cf::face::set_magicmap $idx, $info->{magicmap};	3488	cf::face::set_magicmap $idx, $info->{magicmap};
3139	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3489	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3140	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3490	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3491	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
3141		3492
3142	cf::cede_to_tick;	3493	cf::cede_to_tick;
3143	}	3494	}
3144		3495
3145	while (my ($face, $info) = each %$faces) {	3496	while (my ($face, $info) = each %$faces) {
3146	next unless $info->{smooth};	3497	next unless $info->{smooth};
		3498
3147	my $idx = cf::face::find $face	3499	my $idx = cf::face::find $face
3148	or next;	3500	or next;
		3501
3149	if (my $smooth = cf::face::find $info->{smooth}) {	3502	if (my $smooth = cf::face::find $info->{smooth}) {
3150	cf::face::set_smooth $idx, $smooth;	3503	cf::face::set_smooth $idx, $smooth;
3151	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3504	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3152	} else {	3505	} else {
3153	warn "smooth face '$info->{smooth}' not found for face '$face'";	3506	error "smooth face '$info->{smooth}' not found for face '$face'";
3154	}	3507	}
3155		3508
3156	cf::cede_to_tick;	3509	cf::cede_to_tick;
3157	}	3510	}
3158	}	3511	}
…		…
3167		3520
3168	cf::anim::invalidate_all; # d'oh	3521	cf::anim::invalidate_all; # d'oh
3169	}	3522	}
3170		3523
3171	{	3524	{
3172	# TODO: for gcfclient pleasure, we should give resources
3173	# that gcfclient doesn't grok a >10000 face index.
3174	my $res = $facedata->{resource};	3525	my $res = $facedata->{resource};
3175		3526
3176	my $soundconf = delete $res->{"res/sound.conf"};
3177
3178	while (my ($name, $info) = each %$res) {	3527	while (my ($name, $info) = each %$res) {
		3528	if (defined $info->{type}) {
3179	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3529	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3180	my $data;
3181		3530
3182	if ($info->{type} & 1) {	3531	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3183	# prepend meta info	3532	cf::face::set_type $idx, $info->{type};
3184
3185	my $meta = $enc->encode ({
3186	name => $name,
3187	%{ $info->{meta} || {} },
3188	});
3189
3190	$data = pack "(w/a*)*", $meta, $info->{data};
3191	} else {	3533	} else {
3192	$data = $info->{data};	3534	$RESOURCE{$name} = $info; # unused
3193	}	3535	}
3194		3536
3195	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3196	cf::face::set_type $idx, $info->{type};
3197
3198	cf::cede_to_tick;	3537	cf::cede_to_tick;
3199	}	3538	}
3200
3201	if ($soundconf) {
3202	$soundconf = $enc->decode (delete $soundconf->{data});
3203
3204	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3205	my $sound = $soundconf->{compat}[$_]
3206	or next;
3207
3208	my $face = cf::face::find "sound/$sound->[1]";
3209	cf::sound::set $sound->[0] => $face;
3210	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3211	}
3212
3213	while (my ($k, $v) = each %{$soundconf->{event}}) {
3214	my $face = cf::face::find "sound/$v";
3215	cf::sound::set $k => $face;
3216	}
3217	}
3218	}	3539	}
		3540
		3541	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3219		3542
3220	1	3543	1
3221	}	3544	}
3222		3545
3223	register_exticmd fx_want => sub {	3546	register_exticmd fx_want => sub {
…		…
3225		3548
3226	while (my ($k, $v) = each %$want) {	3549	while (my ($k, $v) = each %$want) {
3227	$ns->fx_want ($k, $v);	3550	$ns->fx_want ($k, $v);
3228	}	3551	}
3229	};	3552	};
		3553
		3554	sub load_resource_file($) {
		3555	my $guard = lock_acquire "load_resource_file";
		3556
		3557	my $status = load_resource_file_ $_[0];
		3558	get_slot 0.1, 100;
		3559	cf::arch::commit_load;
		3560
		3561	$status
		3562	}
3230		3563
3231	sub reload_regions {	3564	sub reload_regions {
3232	# HACK to clear player env face cache, we need some signal framework	3565	# HACK to clear player env face cache, we need some signal framework
3233	# for this (global event?)	3566	# for this (global event?)
3234	%ext::player_env::MUSIC_FACE_CACHE = ();	3567	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3248	}	3581	}
3249		3582
3250	sub reload_archetypes {	3583	sub reload_archetypes {
3251	load_resource_file "$DATADIR/archetypes"	3584	load_resource_file "$DATADIR/archetypes"
3252	or die "unable to load archetypes\n";	3585	or die "unable to load archetypes\n";
3253	#d# NEED to laod twice to resolve forward references
3254	# this really needs to be done in an extra post-pass
3255	# (which needs to be synchronous, so solve it differently)
3256	load_resource_file "$DATADIR/archetypes"
3257	or die "unable to load archetypes\n";
3258	}	3586	}
3259		3587
3260	sub reload_treasures {	3588	sub reload_treasures {
3261	load_resource_file "$DATADIR/treasures"	3589	load_resource_file "$DATADIR/treasures"
3262	or die "unable to load treasurelists\n";	3590	or die "unable to load treasurelists\n";
3263	}	3591	}
3264		3592
		3593	sub reload_sound {
		3594	trace "loading sound config from $DATADIR/sound\n";
		3595
		3596	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3597
		3598	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3599	my $sound = $soundconf->{compat}[$_]
		3600	or next;
		3601
		3602	my $face = cf::face::find "sound/$sound->[1]";
		3603	cf::sound::set $sound->[0] => $face;
		3604	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3605	}
		3606
		3607	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3608	my $face = cf::face::find "sound/$v";
		3609	cf::sound::set $k => $face;
		3610	}
		3611	}
		3612
3265	sub reload_resources {	3613	sub reload_resources {
3266	warn "reloading resource files...\n";	3614	trace "reloading resource files...\n";
3267		3615
		3616	reload_exp_table;
		3617	reload_materials;
		3618	reload_facedata;
		3619	reload_sound;
		3620	reload_archetypes;
3268	reload_regions;	3621	reload_regions;
3269	reload_facedata;
3270	#reload_archetypes;#d#
3271	reload_archetypes;
3272	reload_treasures;	3622	reload_treasures;
3273		3623
3274	warn "finished reloading resource files\n";	3624	trace "finished reloading resource files\n";
3275	}
3276
3277	sub init {
3278	reload_resources;
3279	}	3625	}
3280		3626
3281	sub reload_config {	3627	sub reload_config {
3282	open my $fh, "<:utf8", "$CONFDIR/config"	3628	trace "reloading config file...\n";
3283	or return;
3284		3629
3285	local $/;	3630	my $config = load_file "$CONFDIR/config";
3286	*CFG = YAML::Syck::Load <$fh>;	3631	utf8::decode $config;
		3632	*CFG = decode_yaml $config;
3287		3633
3288	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3634	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3289		3635
3290	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3636	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3291	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3637	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3292		3638
3293	if (exists $CFG{mlockall}) {	3639	if (exists $CFG{mlockall}) {
…		…
3297	};	3643	};
3298	warn $@ if $@;	3644	warn $@ if $@;
3299	}	3645	}
3300	}	3646	}
3301		3647
		3648	sub pidfile() {
		3649	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3650	or die "$PIDFILE: $!";
		3651	flock $fh, &Fcntl::LOCK_EX
		3652	or die "$PIDFILE: flock: $!";
		3653	$fh
		3654	}
		3655
		3656	# make sure only one server instance is running at any one time
		3657	sub atomic {
		3658	my $fh = pidfile;
		3659
		3660	my $pid = <$fh>;
		3661	kill 9, $pid if $pid > 0;
		3662
		3663	seek $fh, 0, 0;
		3664	print $fh $$;
		3665	}
		3666
		3667	sub main_loop {
		3668	trace "EV::loop starting\n";
		3669	if (1) {
		3670	EV::loop;
		3671	}
		3672	trace "EV::loop returned\n";
		3673	goto &main_loop unless $REALLY_UNLOOP;
		3674	}
		3675
3302	sub main {	3676	sub main {
		3677	cf::init_globals; # initialise logging
		3678
		3679	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3680	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3681	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3682	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3683
		3684	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3685
3303	# we must not ever block the main coroutine	3686	# we must not ever block the main coroutine
3304	local $Coro::idle = sub {	3687	local $Coro::idle = sub {
3305	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3688	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3306	(async {	3689	(async {
3307	$Coro::current->{desc} = "IDLE BUG HANDLER";	3690	$Coro::current->{desc} = "IDLE BUG HANDLER";
3308	Event::one_event;	3691	EV::loop EV::LOOP_ONESHOT;
3309	})->prio (Coro::PRIO_MAX);	3692	})->prio (Coro::PRIO_MAX);
3310	};	3693	};
3311		3694
		3695	evthread_start IO::AIO::poll_fileno;
		3696
		3697	cf::sync_job {
		3698	cf::incloader::init ();
		3699
		3700	cf::init_anim;
		3701	cf::init_attackmess;
		3702	cf::init_dynamic;
		3703
		3704	cf::load_settings;
		3705
		3706	reload_resources;
3312	reload_config;	3707	reload_config;
3313	db_init;	3708	db_init;
		3709
		3710	cf::init_uuid;
		3711	cf::init_signals;
		3712	cf::init_skills;
		3713
		3714	cf::init_beforeplay;
		3715
		3716	atomic;
		3717
3314	load_extensions;	3718	load_extensions;
3315		3719
3316	$TICK_WATCHER->start;	3720	utime time, time, $RUNTIMEFILE;
3317	Event::loop;	3721
		3722	# no (long-running) fork's whatsoever before this point(!)
		3723	use POSIX ();
		3724	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3725
		3726	cf::_post_init 0;
		3727	};
		3728
		3729	cf::object::thawer::errors_are_fatal 0;
		3730	info "parse errors in files are no longer fatal from this point on.\n";
		3731
		3732	my $free_main; $free_main = EV::idle sub {
		3733	undef $free_main;
		3734	undef &main; # free gobs of memory :)
		3735	};
		3736
		3737	goto &main_loop;
3318	}	3738	}
3319		3739
3320	#############################################################################	3740	#############################################################################
3321	# initialisation and cleanup	3741	# initialisation and cleanup
3322		3742
3323	# install some emergency cleanup handlers	3743	# install some emergency cleanup handlers
3324	BEGIN {	3744	BEGIN {
		3745	our %SIGWATCHER = ();
3325	for my $signal (qw(INT HUP TERM)) {	3746	for my $signal (qw(INT HUP TERM)) {
3326	Event->signal (	3747	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3327	reentrant => 0,
3328	data => WF_AUTOCANCEL,
3329	signal => $signal,
3330	prio => 0,
3331	cb => sub {
3332	cf::cleanup "SIG$signal";	3748	cf::cleanup "SIG$signal";
3333	},
3334	);	3749	};
3335	}	3750	}
3336	}	3751	}
3337		3752
3338	sub write_runtime {	3753	sub write_runtime_sync {
3339	my $runtime = "$LOCALDIR/runtime";	3754	my $t0 = AE::time;
3340		3755
3341	# first touch the runtime file to show we are still running:	3756	# first touch the runtime file to show we are still running:
3342	# the fsync below can take a very very long time.	3757	# the fsync below can take a very very long time.
3343		3758
3344	IO::AIO::aio_utime $runtime, undef, undef;	3759	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3345		3760
3346	my $guard = cf::lock_acquire "write_runtime";	3761	my $guard = cf::lock_acquire "write_runtime";
3347		3762
3348	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3763	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3349	or return;	3764	or return;
3350		3765
3351	my $value = $cf::RUNTIME + 90 + 10;	3766	my $value = $cf::RUNTIME + 90 + 10;
3352	# 10 is the runtime save interval, for a monotonic clock	3767	# 10 is the runtime save interval, for a monotonic clock
3353	# 60 allows for the watchdog to kill the server.	3768	# 60 allows for the watchdog to kill the server.
…		…
3363	aio_utime $fh, undef, undef;	3778	aio_utime $fh, undef, undef;
3364		3779
3365	close $fh	3780	close $fh
3366	or return;	3781	or return;
3367		3782
3368	aio_rename "$runtime~", $runtime	3783	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3369	and return;	3784	and return;
3370		3785
3371	warn "runtime file written.\n";	3786	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3372		3787
3373	1	3788	1
		3789	}
		3790
		3791	our $uuid_lock;
		3792	our $uuid_skip;
		3793
		3794	sub write_uuid_sync($) {
		3795	$uuid_skip ||= $_[0];
		3796
		3797	return if $uuid_lock;
		3798	local $uuid_lock = 1;
		3799
		3800	my $uuid = "$LOCALDIR/uuid";
		3801
		3802	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3803	or return;
		3804
		3805	my $value = uuid_seq uuid_cur;
		3806
		3807	unless ($value) {
		3808	info "cowardly refusing to write zero uuid value!\n";
		3809	return;
		3810	}
		3811
		3812	my $value = uuid_str $value + $uuid_skip;
		3813	$uuid_skip = 0;
		3814
		3815	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3816	and return;
		3817
		3818	# always fsync - this file is important
		3819	aio_fsync $fh
		3820	and return;
		3821
		3822	close $fh
		3823	or return;
		3824
		3825	aio_rename "$uuid~", $uuid
		3826	and return;
		3827
		3828	trace "uuid file written ($value).\n";
		3829
		3830	1
		3831
		3832	}
		3833
		3834	sub write_uuid($$) {
		3835	my ($skip, $sync) = @_;
		3836
		3837	$sync ? write_uuid_sync $skip
		3838	: async { write_uuid_sync $skip };
3374	}	3839	}
3375		3840
3376	sub emergency_save() {	3841	sub emergency_save() {
3377	my $freeze_guard = cf::freeze_mainloop;	3842	my $freeze_guard = cf::freeze_mainloop;
3378		3843
3379	warn "enter emergency perl save\n";	3844	info "emergency_perl_save: enter\n";
		3845
		3846	# this is a trade-off: we want to be very quick here, so
		3847	# save all maps without fsync, and later call a global sync
		3848	# (which in turn might be very very slow)
		3849	local $USE_FSYNC = 0;
3380		3850
3381	cf::sync_job {	3851	cf::sync_job {
		3852	cf::write_runtime_sync; # external watchdog should not bark
		3853
3382	# use a peculiar iteration method to avoid tripping on perl	3854	# use a peculiar iteration method to avoid tripping on perl
3383	# refcount bugs in for. also avoids problems with players	3855	# refcount bugs in for. also avoids problems with players
3384	# and maps saved/destroyed asynchronously.	3856	# and maps saved/destroyed asynchronously.
3385	warn "begin emergency player save\n";	3857	info "emergency_perl_save: begin player save\n";
3386	for my $login (keys %cf::PLAYER) {	3858	for my $login (keys %cf::PLAYER) {
3387	my $pl = $cf::PLAYER{$login} or next;	3859	my $pl = $cf::PLAYER{$login} or next;
3388	$pl->valid or next;	3860	$pl->valid or next;
3389	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3861	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3390	$pl->save;	3862	$pl->save;
3391	}	3863	}
3392	warn "end emergency player save\n";	3864	info "emergency_perl_save: end player save\n";
3393		3865
3394	warn "begin emergency map save\n";	3866	cf::write_runtime_sync; # external watchdog should not bark
		3867
		3868	info "emergency_perl_save: begin map save\n";
3395	for my $path (keys %cf::MAP) {	3869	for my $path (keys %cf::MAP) {
3396	my $map = $cf::MAP{$path} or next;	3870	my $map = $cf::MAP{$path} or next;
3397	$map->valid or next;	3871	$map->valid or next;
3398	$map->save;	3872	$map->save;
3399	}	3873	}
3400	warn "end emergency map save\n";	3874	info "emergency_perl_save: end map save\n";
3401		3875
3402	warn "begin emergency database checkpoint\n";	3876	cf::write_runtime_sync; # external watchdog should not bark
		3877
		3878	info "emergency_perl_save: begin database checkpoint\n";
3403	BDB::db_env_txn_checkpoint $DB_ENV;	3879	BDB::db_env_txn_checkpoint $DB_ENV;
3404	warn "end emergency database checkpoint\n";	3880	info "emergency_perl_save: end database checkpoint\n";
		3881
		3882	info "emergency_perl_save: begin write uuid\n";
		3883	write_uuid_sync 1;
		3884	info "emergency_perl_save: end write uuid\n";
		3885
		3886	cf::write_runtime_sync; # external watchdog should not bark
		3887
		3888	trace "emergency_perl_save: syncing database to disk";
		3889	BDB::db_env_txn_checkpoint $DB_ENV;
		3890
		3891	info "emergency_perl_save: starting sync\n";
		3892	IO::AIO::aio_sync sub {
		3893	info "emergency_perl_save: finished sync\n";
		3894	};
		3895
		3896	cf::write_runtime_sync; # external watchdog should not bark
		3897
		3898	trace "emergency_perl_save: flushing outstanding aio requests";
		3899	while (IO::AIO::nreqs || BDB::nreqs) {
		3900	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3901	}
		3902
		3903	cf::write_runtime_sync; # external watchdog should not bark
3405	};	3904	};
3406		3905
3407	warn "leave emergency perl save\n";	3906	info "emergency_perl_save: leave\n";
3408	}	3907	}
3409		3908
3410	sub post_cleanup {	3909	sub post_cleanup {
3411	my ($make_core) = @_;	3910	my ($make_core) = @_;
3412		3911
		3912	IO::AIO::flush;
		3913
3413	warn Carp::longmess "post_cleanup backtrace"	3914	error Carp::longmess "post_cleanup backtrace"
3414	if $make_core;	3915	if $make_core;
		3916
		3917	my $fh = pidfile;
		3918	unlink $PIDFILE if <$fh> == $$;
		3919	}
		3920
		3921	# a safer delete_package, copied from Symbol
		3922	sub clear_package($) {
		3923	my $pkg = shift;
		3924
		3925	# expand to full symbol table name if needed
		3926	unless ($pkg =~ /^main::.*::$/) {
		3927	$pkg = "main$pkg" if $pkg =~ /^::/;
		3928	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3929	$pkg .= '::' unless $pkg =~ /::$/;
		3930	}
		3931
		3932	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3933	my $stem_symtab = *{$stem}{HASH};
		3934
		3935	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3936	or return;
		3937
		3938	# clear all symbols
		3939	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3940	for my $name (keys %$leaf_symtab) {
		3941	_gv_clear *{"$pkg$name"};
		3942	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3943	}
3415	}	3944	}
3416		3945
3417	sub do_reload_perl() {	3946	sub do_reload_perl() {
3418	# can/must only be called in main	3947	# can/must only be called in main
3419	if ($Coro::current != $Coro::main) {	3948	unless (in_main) {
3420	warn "can only reload from main coroutine";	3949	error "can only reload from main coroutine";
3421	return;	3950	return;
3422	}	3951	}
3423		3952
3424	warn "reloading...";	3953	return if $RELOAD++;
3425		3954
3426	warn "entering sync_job";	3955	my $t1 = AE::time;
3427		3956
		3957	while ($RELOAD) {
		3958	cf::get_slot 0.1, -1, "reload_perl";
		3959	info "perl_reload: reloading...";
		3960
		3961	trace "perl_reload: entering sync_job";
		3962
3428	cf::sync_job {	3963	cf::sync_job {
3429	cf::write_runtime; # external watchdog should not bark
3430	cf::emergency_save;	3964	#cf::emergency_save;
3431	cf::write_runtime; # external watchdog should not bark
3432		3965
3433	warn "syncing database to disk";
3434	BDB::db_env_txn_checkpoint $DB_ENV;
3435
3436	# if anything goes wrong in here, we should simply crash as we already saved
3437
3438	warn "cancelling all WF_AUTOCANCEL watchers";
3439	for (Event::all_watchers) {
3440	$_->cancel if $_->data & WF_AUTOCANCEL;
3441	}
3442
3443	warn "flushing outstanding aio requests";
3444	for (;;) {
3445	BDB::flush;
3446	IO::AIO::flush;
3447	Coro::cede_notself;
3448	last unless IO::AIO::nreqs || BDB::nreqs;
3449	warn "iterate...";
3450	}
3451
3452	++$RELOAD;
3453
3454	warn "cancelling all extension coros";	3966	trace "perl_reload: cancelling all extension coros";
3455	$_->cancel for values %EXT_CORO;	3967	$_->cancel for values %EXT_CORO;
3456	%EXT_CORO = ();	3968	%EXT_CORO = ();
3457		3969
3458	warn "removing commands";	3970	trace "perl_reload: removing commands";
3459	%COMMAND = ();	3971	%COMMAND = ();
3460		3972
3461	warn "removing ext/exti commands";	3973	trace "perl_reload: removing ext/exti commands";
3462	%EXTCMD = ();	3974	%EXTCMD = ();
3463	%EXTICMD = ();	3975	%EXTICMD = ();
3464		3976
3465	warn "unloading/nuking all extensions";	3977	trace "perl_reload: unloading/nuking all extensions";
3466	for my $pkg (@EXTS) {	3978	for my $pkg (@EXTS) {
3467	warn "... unloading $pkg";	3979	trace "... unloading $pkg";
3468		3980
3469	if (my $cb = $pkg->can ("unload")) {	3981	if (my $cb = $pkg->can ("unload")) {
3470	eval {	3982	eval {
3471	$cb->($pkg);	3983	$cb->($pkg);
3472	1	3984	1
3473	} or warn "$pkg unloaded, but with errors: $@";	3985	} or error "$pkg unloaded, but with errors: $@";
		3986	}
		3987
		3988	trace "... clearing $pkg";
		3989	clear_package $pkg;
3474	}	3990	}
3475		3991
3476	warn "... nuking $pkg";
3477	Symbol::delete_package $pkg;
3478	}
3479
3480	warn "unloading all perl modules loaded from $LIBDIR";	3992	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3481	while (my ($k, $v) = each %INC) {	3993	while (my ($k, $v) = each %INC) {
3482	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3994	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3483		3995
3484	warn "... unloading $k";	3996	trace "... unloading $k";
3485	delete $INC{$k};	3997	delete $INC{$k};
3486		3998
3487	$k =~ s/\.pm$//;	3999	$k =~ s/\.pm$//;
3488	$k =~ s/\//::/g;	4000	$k =~ s/\//::/g;
3489		4001
3490	if (my $cb = $k->can ("unload_module")) {	4002	if (my $cb = $k->can ("unload_module")) {
3491	$cb->();	4003	$cb->();
		4004	}
		4005
		4006	clear_package $k;
3492	}	4007	}
3493		4008
3494	Symbol::delete_package $k;
3495	}
3496
3497	warn "getting rid of safe::, as good as possible";	4009	trace "perl_reload: getting rid of safe::, as good as possible";
3498	Symbol::delete_package "safe::$_"	4010	clear_package "safe::$_"
3499	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4011	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3500		4012
3501	warn "unloading cf.pm \"a bit\"";	4013	trace "perl_reload: unloading cf.pm \"a bit\"";
3502	delete $INC{"cf.pm"};	4014	delete $INC{"cf.pm"};
3503	delete $INC{"cf/pod.pm"};	4015	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3504		4016
3505	# don't, removes xs symbols, too,	4017	# don't, removes xs symbols, too,
3506	# and global variables created in xs	4018	# and global variables created in xs
3507	#Symbol::delete_package __PACKAGE__;	4019	#clear_package __PACKAGE__;
3508		4020
3509	warn "unload completed, starting to reload now";	4021	info "perl_reload: unload completed, starting to reload now";
3510		4022
3511	warn "reloading cf.pm";	4023	trace "perl_reload: reloading cf.pm";
3512	require cf;	4024	require cf;
3513	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4025	cf::_connect_to_perl_1;
3514		4026
3515	warn "loading config and database again";	4027	trace "perl_reload: loading config and database again";
3516	cf::reload_config;	4028	cf::reload_config;
3517		4029
3518	warn "loading extensions";	4030	trace "perl_reload: loading extensions";
3519	cf::load_extensions;	4031	cf::load_extensions;
3520		4032
		4033	if ($REATTACH_ON_RELOAD) {
3521	warn "reattaching attachments to objects/players";	4034	trace "perl_reload: reattaching attachments to objects/players";
3522	_global_reattach; # objects, sockets	4035	_global_reattach; # objects, sockets
3523	warn "reattaching attachments to maps";	4036	trace "perl_reload: reattaching attachments to maps";
3524	reattach $_ for values %MAP;	4037	reattach $_ for values %MAP;
3525	warn "reattaching attachments to players";	4038	trace "perl_reload: reattaching attachments to players";
3526	reattach $_ for values %PLAYER;	4039	reattach $_ for values %PLAYER;
		4040	}
3527		4041
3528	warn "leaving sync_job";	4042	cf::_post_init 1;
3529		4043
		4044	trace "perl_reload: leaving sync_job";
		4045
3530	1	4046	1
3531	} or do {	4047	} or do {
3532	warn $@;	4048	error $@;
3533	warn "error while reloading, exiting.";	4049	cf::cleanup "perl_reload: error, exiting.";
3534	exit 1;	4050	};
		4051
		4052	--$RELOAD;
3535	};	4053	}
3536		4054
3537	warn "reloaded";	4055	$t1 = AE::time - $t1;
		4056	info "perl_reload: completed in ${t1}s\n";
3538	};	4057	};
3539		4058
3540	our $RELOAD_WATCHER; # used only during reload	4059	our $RELOAD_WATCHER; # used only during reload
3541		4060
3542	sub reload_perl() {	4061	sub reload_perl() {
3543	# doing reload synchronously and two reloads happen back-to-back,	4062	# doing reload synchronously and two reloads happen back-to-back,
3544	# coro crashes during coro_state_free->destroy here.	4063	# coro crashes during coro_state_free->destroy here.
3545		4064
3546	$RELOAD_WATCHER ||= Event->timer (	4065	$RELOAD_WATCHER ||= cf::async {
3547	reentrant => 0,	4066	Coro::AIO::aio_wait cache_extensions;
3548	after => 0,	4067
3549	data => WF_AUTOCANCEL,	4068	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3550	cb => sub {
3551	do_reload_perl;	4069	do_reload_perl;
3552	undef $RELOAD_WATCHER;	4070	undef $RELOAD_WATCHER;
3553	},	4071	};
3554	);	4072	};
3555	}	4073	}
3556		4074
3557	register_command "reload" => sub {	4075	register_command "reload" => sub {
3558	my ($who, $arg) = @_;	4076	my ($who, $arg) = @_;
3559		4077
…		…
3564	reload_perl;	4082	reload_perl;
3565	};	4083	};
3566	}	4084	}
3567	};	4085	};
3568		4086
3569	unshift @INC, $LIBDIR;	4087	#############################################################################
3570		4088
3571	my $bug_warning = 0;	4089	my $bug_warning = 0;
3572		4090
3573	our @WAIT_FOR_TICK;	4091	our @WAIT_FOR_TICK;
3574	our @WAIT_FOR_TICK_BEGIN;	4092	our @WAIT_FOR_TICK_BEGIN;
3575		4093
3576	sub wait_for_tick {	4094	sub wait_for_tick() {
3577	return unless $TICK_WATCHER->is_active;
3578	return if $Coro::current == $Coro::main;	4095	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3579		4096
3580	my $signal = new Coro::Signal;	4097	my $signal = new Coro::Signal;
3581	push @WAIT_FOR_TICK, $signal;	4098	push @WAIT_FOR_TICK, $signal;
3582	$signal->wait;	4099	$signal->wait;
3583	}	4100	}
3584		4101
3585	sub wait_for_tick_begin {	4102	sub wait_for_tick_begin() {
3586	return unless $TICK_WATCHER->is_active;
3587	return if $Coro::current == $Coro::main;	4103	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3588		4104
3589	my $signal = new Coro::Signal;	4105	my $signal = new Coro::Signal;
3590	push @WAIT_FOR_TICK_BEGIN, $signal;	4106	push @WAIT_FOR_TICK_BEGIN, $signal;
3591	$signal->wait;	4107	$signal->wait;
3592	}	4108	}
3593		4109
3594	$TICK_WATCHER = Event->timer (	4110	sub tick {
3595	reentrant => 0,
3596	parked => 1,
3597	prio => 0,
3598	at => $NEXT_TICK || $TICK,
3599	data => WF_AUTOCANCEL,
3600	cb => sub {
3601	if ($Coro::current != $Coro::main) {	4111	if ($Coro::current != $Coro::main) {
3602	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4112	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3603	unless ++$bug_warning > 10;	4113	unless ++$bug_warning > 10;
3604	return;	4114	return;
3605	}	4115	}
3606		4116
3607	$NOW = $tick_start = Event::time;
3608
3609	cf::server_tick; # one server iteration	4117	cf::server_tick; # one server iteration
3610		4118
3611	$RUNTIME += $TICK;	4119	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3612	$NEXT_TICK += $TICK;
3613		4120
3614	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4121	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3615	$NEXT_RUNTIME_WRITE = $NOW + 10;	4122	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3616	Coro::async_pool {	4123	Coro::async_pool {
3617	$Coro::current->{desc} = "runtime saver";	4124	$Coro::current->{desc} = "runtime saver";
3618	write_runtime	4125	write_runtime_sync
3619	or warn "ERROR: unable to write runtime file: $!";	4126	or error "ERROR: unable to write runtime file: $!";
3620	};
3621	}	4127	};
		4128	}
3622		4129
3623	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4130	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3624	$sig->send;	4131	$sig->send;
3625	}	4132	}
3626	while (my $sig = shift @WAIT_FOR_TICK) {	4133	while (my $sig = shift @WAIT_FOR_TICK) {
3627	$sig->send;	4134	$sig->send;
3628	}	4135	}
3629		4136
3630	$NOW = Event::time;	4137	$LOAD = ($NOW - $TICK_START) / $TICK;
3631
3632	# if we are delayed by four ticks or more, skip them all
3633	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3634
3635	$TICK_WATCHER->at ($NEXT_TICK);
3636	$TICK_WATCHER->start;
3637
3638	$LOAD = ($NOW - $tick_start) / $TICK;
3639	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4138	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3640		4139
3641	_post_tick;	4140	if (0) {
		4141	if ($NEXT_TICK) {
		4142	my $jitter = $TICK_START - $NEXT_TICK;
		4143	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4144	debug "jitter $JITTER\n";#d#
		4145	}
3642	},	4146	}
3643	);	4147	}
3644		4148
3645	{	4149	{
		4150	# configure BDB
		4151
3646	BDB::min_parallel 8;	4152	BDB::min_parallel 16;
3647	BDB::max_poll_time $TICK * 0.1;	4153	BDB::max_poll_reqs $TICK * 0.1;
3648	$BDB_POLL_WATCHER = Event->io (	4154	$AnyEvent::BDB::WATCHER->priority (1);
3649	reentrant => 0,
3650	fd => BDB::poll_fileno,
3651	poll => 'r',
3652	prio => 0,
3653	data => WF_AUTOCANCEL,
3654	cb => \&BDB::poll_cb,
3655	);
3656
3657	BDB::set_sync_prepare {
3658	my $status;
3659	my $current = $Coro::current;
3660	(
3661	sub {
3662	$status = $!;
3663	$current->ready; undef $current;
3664	},
3665	sub {
3666	Coro::schedule while defined $current;
3667	$! = $status;
3668	},
3669	)
3670	};
3671		4155
3672	unless ($DB_ENV) {	4156	unless ($DB_ENV) {
3673	$DB_ENV = BDB::db_env_create;	4157	$DB_ENV = BDB::db_env_create;
3674	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4158	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3675	| BDB::LOG_AUTOREMOVE, 1);	4159	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4160	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3676	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4161	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3677	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4162	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3678		4163
3679	cf::sync_job {	4164	cf::sync_job {
3680	eval {	4165	eval {
…		…
3690		4175
3691	cf::cleanup "db_env_open(db): $@" if $@;	4176	cf::cleanup "db_env_open(db): $@" if $@;
3692	};	4177	};
3693	}	4178	}
3694		4179
3695	$BDB_DEADLOCK_WATCHER = Event->timer (	4180	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3696	after => 3,
3697	interval => 1,
3698	hard => 1,
3699	prio => 0,
3700	data => WF_AUTOCANCEL,
3701	cb => sub {
3702	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };	4181	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3703	},
3704	);	4182	};
3705	$BDB_CHECKPOINT_WATCHER = Event->timer (	4183	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3706	after => 11,
3707	interval => 60,
3708	hard => 1,
3709	prio => 0,
3710	data => WF_AUTOCANCEL,
3711	cb => sub {
3712	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4184	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3713	},
3714	);	4185	};
3715	$BDB_TRICKLE_WATCHER = Event->timer (	4186	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3716	after => 5,
3717	interval => 10,
3718	hard => 1,
3719	prio => 0,
3720	data => WF_AUTOCANCEL,
3721	cb => sub {
3722	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4187	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3723	},
3724	);	4188	};
3725	}	4189	}
3726		4190
3727	{	4191	{
		4192	# configure IO::AIO
		4193
3728	IO::AIO::min_parallel 8;	4194	IO::AIO::min_parallel 8;
3729
3730	undef $Coro::AIO::WATCHER;
3731	IO::AIO::max_poll_time $TICK * 0.1;	4195	IO::AIO::max_poll_time $TICK * 0.1;
3732	$AIO_POLL_WATCHER = Event->io (	4196	undef $AnyEvent::AIO::WATCHER;
3733	reentrant => 0,
3734	data => WF_AUTOCANCEL,
3735	fd => IO::AIO::poll_fileno,
3736	poll => 'r',
3737	prio => 0,
3738	cb => \&IO::AIO::poll_cb,
3739	);
3740	}	4197	}
3741		4198
3742	my $_log_backtrace;	4199	our $_log_backtrace;
		4200	our $_log_backtrace_last;
3743		4201
3744	sub _log_backtrace {	4202	sub _log_backtrace {
3745	my ($msg, @addr) = @_;	4203	my ($msg, @addr) = @_;
3746		4204
3747	$msg =~ s/\n//;	4205	$msg =~ s/\n$//;
3748		4206
		4207	if ($_log_backtrace_last eq $msg) {
		4208	LOG llevInfo, "[ABT] $msg\n";
		4209	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3749	# limit the # of concurrent backtraces	4210	# limit the # of concurrent backtraces
3750	if ($_log_backtrace < 2) {	4211	} elsif ($_log_backtrace < 2) {
		4212	$_log_backtrace_last = $msg;
3751	++$_log_backtrace;	4213	++$_log_backtrace;
		4214	my $perl_bt = Carp::longmess $msg;
3752	async {	4215	async {
3753	$Coro::current->{desc} = "abt $msg";	4216	$Coro::current->{desc} = "abt $msg";
3754		4217
3755	my @bt = fork_call {	4218	my @bt = fork_call {
3756	@addr = map { sprintf "%x", $_ } @addr;	4219	@addr = map { sprintf "%x", $_ } @addr;
…		…
3767	}	4230	}
3768		4231
3769	@funcs	4232	@funcs
3770	};	4233	};
3771		4234
3772	LOG llevInfo, "[ABT] $msg\n";	4235	LOG llevInfo, "[ABT] $perl_bt\n";
		4236	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3773	LOG llevInfo, "[ABT] $_\n" for @bt;	4237	LOG llevInfo, "[ABT] $_\n" for @bt;
3774	--$_log_backtrace;	4238	--$_log_backtrace;
3775	};	4239	};
3776	} else {	4240	} else {
3777	LOG llevInfo, "[ABT] $msg\n";	4241	LOG llevInfo, "[ABT] $msg\n";
3778	LOG llevInfo, "[ABT] [suppressed]\n";	4242	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3779	}	4243	}
3780	}	4244	}
3781		4245
3782	# load additional modules	4246	# load additional modules
3783	use cf::pod;	4247	require "cf/$_.pm" for @EXTRA_MODULES;
		4248	cf::_connect_to_perl_2;
3784		4249
3785	END { cf::emergency_save }	4250	END { cf::emergency_save }
3786		4251
3787	1	4252	1
3788		4253

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