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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.310 by elmex, Mon Jul 16 15:43:49 2007 UTC vs.
Revision 1.536 by root, Thu Apr 29 08:26:38 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 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
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Socket;	31	use Socket;
9	use Storable;	32	use EV;
10	use Event;
11	use Opcode;	33	use Opcode;
12	use Safe;	34	use Safe;
13	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
14		38
		39	use Guard ();
15	use Coro 3.61 ();	40	use Coro ();
16	use Coro::State;	41	use Coro::State;
17	use Coro::Handle;	42	use Coro::Handle;
		43	use Coro::EV;
18	use Coro::Event;	44	use Coro::AnyEvent;
19	use Coro::Timer;	45	use Coro::Timer;
20	use Coro::Signal;	46	use Coro::Signal;
21	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
22	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
23	use Coro::Storable;	52	use Coro::Storable;
		53	use Coro::Util ();
24		54
25	use JSON::XS 1.4 ();	55	use JSON::XS 2.01 ();
26	use BDB ();	56	use BDB ();
27	use Data::Dumper;	57	use Data::Dumper;
28	use Digest::MD5;
29	use Fcntl;	58	use Fcntl;
30	use YAML::Syck ();	59	use YAML::XS ();
31	use IO::AIO 2.32 ();	60	use IO::AIO ();
32	use Time::HiRes;	61	use Time::HiRes;
33	use Compress::LZF;	62	use Compress::LZF;
34	use Digest::MD5 ();	63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
35		66
36	# configure various modules to our taste	67	# configure various modules to our taste
37	#	68	#
38	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
41		77
42	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
43		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
45	$YAML::Syck::ImplicitUnicode = 1;
46
47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
48		80
49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
50		82
51	our %COMMAND = ();	83	our %COMMAND = ();
52	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
…		…
55	our %EXTCMD = ();	87	our %EXTCMD = ();
56	our %EXTICMD = ();	88	our %EXTICMD = ();
57	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
58	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
59		91
60	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
61	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
62		96
63	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
64	our $DATADIR = datadir;	98	our $DATADIR = datadir;
65	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
66	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
67	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
68	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
73	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
74		118
75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
76	our $TICK_WATCHER;
77	our $AIO_POLL_WATCHER;
78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79	our $NEXT_TICK;	121	our $NEXT_TICK;
80	our $NOW;
81	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
82		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
83	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
84	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript);
85		130
86	our %CFG;	131	our %CFG;
87		132
88	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
90		136
91	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
92	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
93	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
94		140
95	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97		143
98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
99	our $LOADAVG; # same thing, but with alpha-smoothing	145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
100	our $tick_start; # for load detecting purposes	147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
101		153
102	binmode STDOUT;	154	binmode STDOUT;
103	binmode STDERR;	155	binmode STDERR;
104		156
105	# read virtual server time, if available	157	# read virtual server time, if available
106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
107	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
108	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
109	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
110	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
111		165
112	mkdir $_	166	mkdir $_
113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
114		168
115	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
116		170
117	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
118		187
119	#############################################################################	188	#############################################################################
120		189
121	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
122		191
…		…
158		227
159	The raw value load value from the last tick.	228	The raw value load value from the last tick.
160		229
161	=item %cf::CFG	230	=item %cf::CFG
162		231
163	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164	from wherever your confdir points to.	233	from wherever your confdir points to.
165		234
166	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
167		236
168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
169	returns directly I<after> the tick processing (and consequently, can only wake one process	238	returns directly I<after> the tick processing (and consequently, can only wake one process
170	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
171		240
172	=item @cf::INVOKE_RESULTS	241	=item @cf::INVOKE_RESULTS
173		242
174	This array contains the results of the last C<invoke ()> call. When	243	This array contains the results of the last C<invoke ()> call. When
175	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	244	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
176	that call.	245	that call.
177		246
		247	=item %cf::REFLECT
		248
		249	Contains, for each (C++) class name, a hash reference with information
		250	about object members (methods, scalars, arrays and flags) and other
		251	metadata, which is useful for introspection.
		252
178	=back	253	=back
179		254
180	=cut	255	=cut
181		256
182	BEGIN {	257	sub error(@) { LOG llevError, join "", @_ }
183	*CORE::GLOBAL::warn = sub {	258	sub warn (@) { LOG llevWarn , join "", @_ }
		259	sub info (@) { LOG llevInfo , join "", @_ }
		260	sub debug(@) { LOG llevDebug, join "", @_ }
		261	sub trace(@) { LOG llevTrace, join "", @_ }
		262
		263	$Coro::State::WARNHOOK = sub {
184	my $msg = join "", @_;	264	my $msg = join "", @_;
185		265
186	$msg .= "\n"	266	$msg .= "\n"
187	unless $msg =~ /\n$/;	267	unless $msg =~ /\n$/;
188		268
189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	269	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
190		270
191	utf8::encode $msg;
192	LOG llevError, $msg;	271	LOG llevWarn, $msg;
193	};	272	};
194	}	273
		274	$Coro::State::DIEHOOK = sub {
		275	return unless $^S eq 0; # "eq", not "=="
		276
		277	error Carp::longmess $_[0];
		278
		279	if (in_main) {#d#
		280	error "DIEHOOK called in main context, Coro bug?\n";#d#
		281	return;#d#
		282	}#d#
		283
		284	# kill coroutine otherwise
		285	Coro::terminate
		286	};
195		287
196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	288	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	289	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	290	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	291	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
206	for my $pkg (qw(	298	for my $pkg (qw(
207	cf::global cf::attachable	299	cf::global cf::attachable
208	cf::object cf::object::player	300	cf::object cf::object::player
209	cf::client cf::player	301	cf::client cf::player
210	cf::arch cf::living	302	cf::arch cf::living
		303	cf::map cf::mapspace
211	cf::map cf::party cf::region	304	cf::party cf::region
212	)) {	305	)) {
213	no strict 'refs';
214	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	306	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
215	}	307	}
216		308
217	$Event::DIED = sub {	309	$EV::DIED = sub {
218	warn "error in event callback: @_";	310	Carp::cluck "error in event callback: @_";
219	};	311	};
220		312
221	#############################################################################	313	#############################################################################
222		314
223	=head2 UTILITY FUNCTIONS	315	=head2 UTILITY FUNCTIONS
…		…
245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	337	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
246	$d	338	$d
247	} || "[unable to dump $_[0]: '$@']";	339	} || "[unable to dump $_[0]: '$@']";
248	}	340	}
249		341
250	=item $ref = cf::from_json $json	342	=item $ref = cf::decode_json $json
251		343
252	Converts a JSON string into the corresponding perl data structure.	344	Converts a JSON string into the corresponding perl data structure.
253		345
254	=item $json = cf::to_json $ref	346	=item $json = cf::encode_json $ref
255		347
256	Converts a perl data structure into its JSON representation.	348	Converts a perl data structure into its JSON representation.
257		349
258	=cut	350	=cut
259		351
260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	352	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
261		353
262	sub to_json ($) { $json_coder->encode ($_[0]) }	354	sub encode_json($) { $json_coder->encode ($_[0]) }
263	sub from_json ($) { $json_coder->decode ($_[0]) }	355	sub decode_json($) { $json_coder->decode ($_[0]) }
		356
		357	=item cf::post_init { BLOCK }
		358
		359	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		360	but I<before> the server starts ticking again.
		361
		362	The cdoeblock will have a single boolean argument to indicate whether this
		363	is a reload or not.
		364
		365	=cut
		366
		367	sub post_init(&) {
		368	push @POST_INIT, shift;
		369	}
264		370
265	=item cf::lock_wait $string	371	=item cf::lock_wait $string
266		372
267	Wait until the given lock is available. See cf::lock_acquire.	373	Wait until the given lock is available. See cf::lock_acquire.
268		374
269	=item my $lock = cf::lock_acquire $string	375	=item my $lock = cf::lock_acquire $string
270		376
271	Wait until the given lock is available and then acquires it and returns	377	Wait until the given lock is available and then acquires it and returns
272	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	378	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
273	for example when the coroutine gets canceled), the lock is automatically	379	for example when the coroutine gets canceled), the lock is automatically
274	returned.	380	returned.
275		381
		382	Locks are *not* recursive, locking from the same coro twice results in a
		383	deadlocked coro.
		384
276	Lock names should begin with a unique identifier (for example, cf::map::find	385	Lock names should begin with a unique identifier (for example, cf::map::find
277	uses map_find and cf::map::load uses map_load).	386	uses map_find and cf::map::load uses map_load).
278		387
279	=item $locked = cf::lock_active $string	388	=item $locked = cf::lock_active $string
280		389
281	Return true if the lock is currently active, i.e. somebody has locked it.	390	Return true if the lock is currently active, i.e. somebody has locked it.
282		391
283	=cut	392	=cut
284		393
285	our %LOCK;	394	our $LOCKS = new Coro::SemaphoreSet;
286		395
287	sub lock_wait($) {	396	sub lock_wait($) {
288	my ($key) = @_;	397	$LOCKS->wait ($_[0]);
289
290	# wait for lock, if any
291	while ($LOCK{$key}) {
292	push @{ $LOCK{$key} }, $Coro::current;
293	Coro::schedule;
294	}
295	}	398	}
296		399
297	sub lock_acquire($) {	400	sub lock_acquire($) {
298	my ($key) = @_;	401	$LOCKS->guard ($_[0])
299
300	# wait, to be sure we are not locked
301	lock_wait $key;
302
303	$LOCK{$key} = [];
304
305	Coro::guard {
306	# wake up all waiters, to be on the safe side
307	$_->ready for @{ delete $LOCK{$key} };
308	}
309	}	402	}
310		403
311	sub lock_active($) {	404	sub lock_active($) {
312	my ($key) = @_;	405	$LOCKS->count ($_[0]) < 1
313
314	! ! $LOCK{$key}
315	}	406	}
316		407
317	sub freeze_mainloop {	408	sub freeze_mainloop {
318	return unless $TICK_WATCHER->is_active;	409	tick_inhibit_inc;
319		410
320	my $guard = Coro::guard {	411	&Guard::guard (\&tick_inhibit_dec);
321	$TICK_WATCHER->start;	412	}
		413
		414	=item cf::periodic $interval, $cb
		415
		416	Like EV::periodic, but randomly selects a starting point so that the actions
		417	get spread over time.
		418
		419	=cut
		420
		421	sub periodic($$) {
		422	my ($interval, $cb) = @_;
		423
		424	my $start = rand List::Util::min 180, $interval;
		425
		426	EV::periodic $start, $interval, 0, $cb
		427	}
		428
		429	=item cf::get_slot $time[, $priority[, $name]]
		430
		431	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		432	This call blocks and returns only when you have at least C<$time> seconds
		433	of cpu time till the next tick. The slot is only valid till the next cede.
		434
		435	The optional C<$name> can be used to identify the job to run. It might be
		436	used for statistical purposes and should identify the same time-class.
		437
		438	Useful for short background jobs.
		439
		440	=cut
		441
		442	our @SLOT_QUEUE;
		443	our $SLOT_QUEUE;
		444	our $SLOT_DECAY = 0.9;
		445
		446	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		447	$SLOT_QUEUE = Coro::async {
		448	$Coro::current->desc ("timeslot manager");
		449
		450	my $signal = new Coro::Signal;
		451	my $busy;
		452
		453	while () {
		454	next_job:
		455
		456	my $avail = cf::till_tick;
		457
		458	for (0 .. $#SLOT_QUEUE) {
		459	if ($SLOT_QUEUE[$_][0] <= $avail) {
		460	$busy = 0;
		461	my $job = splice @SLOT_QUEUE, $_, 1, ();
		462	$job->[2]->send;
		463	Coro::cede;
		464	goto next_job;
		465	} else {
		466	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		467	}
		468	}
		469
		470	if (@SLOT_QUEUE) {
		471	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		472	push @cf::WAIT_FOR_TICK, $signal;
		473	$signal->wait;
		474	} else {
		475	$busy = 0;
		476	Coro::schedule;
		477	}
322	};	478	}
323	$TICK_WATCHER->stop;	479	};
324	$guard	480
		481	sub get_slot($;$$) {
		482	return if tick_inhibit || $Coro::current == $Coro::main;
		483
		484	my ($time, $pri, $name) = @_;
		485
		486	$time = clamp $time, 0.01, $TICK * .6;
		487
		488	my $sig = new Coro::Signal;
		489
		490	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		491	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		492	$SLOT_QUEUE->ready;
		493	$sig->wait;
325	}	494	}
326		495
327	=item cf::async { BLOCK }	496	=item cf::async { BLOCK }
328		497
329	Currently the same as Coro::async_pool, meaning you cannot use	498	Currently the same as Coro::async_pool, meaning you cannot use
…		…
334		503
335	BEGIN { *async = \&Coro::async_pool }	504	BEGIN { *async = \&Coro::async_pool }
336		505
337	=item cf::sync_job { BLOCK }	506	=item cf::sync_job { BLOCK }
338		507
339	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	508	The design of Deliantra requires that the main coroutine ($Coro::main)
340	is always able to handle events or runnable, as Crossfire TRT is only	509	is always able to handle events or runnable, as Deliantra is only
341	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	510	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
342	acceptable.	511	acceptable.
343		512
344	If it must be done, put the blocking parts into C<sync_job>. This will run	513	If it must be done, put the blocking parts into C<sync_job>. This will run
345	the given BLOCK in another coroutine while waiting for the result. The	514	the given BLOCK in another coroutine while waiting for the result. The
…		…
349	=cut	518	=cut
350		519
351	sub sync_job(&) {	520	sub sync_job(&) {
352	my ($job) = @_;	521	my ($job) = @_;
353		522
354	if ($Coro::current == $Coro::main) {	523	if (in_main) {
355	my $time = Event::time;	524	my $time = AE::time;
356		525
357	# this is the main coro, too bad, we have to block	526	# this is the main coro, too bad, we have to block
358	# till the operation succeeds, freezing the server :/	527	# till the operation succeeds, freezing the server :/
359		528
360	# TODO: use suspend/resume instead	529	#LOG llevError, Carp::longmess "sync job";#d#
361	# (but this is cancel-safe)	530
362	my $freeze_guard = freeze_mainloop;	531	my $freeze_guard = freeze_mainloop;
363		532
364	my $busy = 1;	533	my $busy = 1;
365	my @res;	534	my @res;
366		535
367	(async {	536	(async {
		537	$Coro::current->desc ("sync job coro");
368	@res = eval { $job->() };	538	@res = eval { $job->() };
369	warn $@ if $@;	539	error $@ if $@;
370	undef $busy;	540	undef $busy;
371	})->prio (Coro::PRIO_MAX);	541	})->prio (Coro::PRIO_MAX);
372		542
373	while ($busy) {	543	while ($busy) {
374	Coro::cede or Event::one_event;	544	if (Coro::nready) {
		545	Coro::cede_notself;
		546	} else {
		547	EV::loop EV::LOOP_ONESHOT;
375	}	548	}
		549	}
376		550
377	$time = Event::time - $time;	551	my $time = AE::time - $time;
378		552
379	LOG llevError | logBacktrace, Carp::longmess "long sync job"
380	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
381
382	$tick_start += $time; # do not account sync jobs to server load	553	$TICK_START += $time; # do not account sync jobs to server load
383		554
384	wantarray ? @res : $res[0]	555	wantarray ? @res : $res[0]
385	} else {	556	} else {
386	# we are in another coroutine, how wonderful, everything just works	557	# we are in another coroutine, how wonderful, everything just works
387		558
…		…
412	=item fork_call { }, $args	583	=item fork_call { }, $args
413		584
414	Executes the given code block with the given arguments in a seperate	585	Executes the given code block with the given arguments in a seperate
415	process, returning the results. Everything must be serialisable with	586	process, returning the results. Everything must be serialisable with
416	Coro::Storable. May, of course, block. Note that the executed sub may	587	Coro::Storable. May, of course, block. Note that the executed sub may
417	never block itself or use any form of Event handling.	588	never block itself or use any form of event handling.
418		589
419	=cut	590	=cut
420
421	sub _store_scalar {
422	open my $fh, ">", \my $buf
423	or die "fork_call: cannot open fh-to-buf in child : $!";
424	Storable::store_fd $_[0], $fh;
425	close $fh;
426
427	$buf
428	}
429		591
430	sub fork_call(&@) {	592	sub fork_call(&@) {
431	my ($cb, @args) = @_;	593	my ($cb, @args) = @_;
432		594
433	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	595	# we seemingly have to make a local copy of the whole thing,
434	# or die "socketpair: $!";	596	# otherwise perl prematurely frees the stuff :/
435	pipe my $fh1, my $fh2	597	# TODO: investigate and fix (likely this will be rather laborious)
436	or die "pipe: $!";
437		598
438	if (my $pid = fork) {	599	my @res = Coro::Util::fork_eval {
439	close $fh2;
440
441	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
442	warn "pst<$res>" unless $res =~ /^pst/;
443	$res = Coro::Storable::thaw $res;
444
445	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
446
447	Carp::confess $$res unless "ARRAY" eq ref $res;
448
449	return wantarray ? @$res : $res->[-1];
450	} else {
451	reset_signals;	600	reset_signals;
452	local $SIG{__WARN__};	601	&$cb
453	local $SIG{__DIE__};	602	}, @args;
454	# just in case, this hack effectively disables event
455	# in the child. cleaner and slower would be canceling all watchers,
456	# but this works for the time being.
457	local $Coro::idle;
458	$Coro::current->prio (Coro::PRIO_MAX);
459		603
460	eval {	604	wantarray ? @res : $res[-1]
461	close $fh1;	605	}
462		606
463	my @res = eval { $cb->(@args) };	607	sub objinfo {
464
465	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
466	close $fh2;
467	};
468
469	warn $@ if $@;
470	_exit 0;
471	}	608	(
		609	"counter value" => cf::object::object_count,
		610	"objects created" => cf::object::create_count,
		611	"objects destroyed" => cf::object::destroy_count,
		612	"freelist size" => cf::object::free_count,
		613	"allocated objects" => cf::object::objects_size,
		614	"active objects" => cf::object::actives_size,
		615	)
		616	}
		617
		618	=item $coin = coin_from_name $name
		619
		620	=cut
		621
		622	our %coin_alias = (
		623	"silver" => "silvercoin",
		624	"silvercoin" => "silvercoin",
		625	"silvercoins" => "silvercoin",
		626	"gold" => "goldcoin",
		627	"goldcoin" => "goldcoin",
		628	"goldcoins" => "goldcoin",
		629	"platinum" => "platinacoin",
		630	"platinumcoin" => "platinacoin",
		631	"platinumcoins" => "platinacoin",
		632	"platina" => "platinacoin",
		633	"platinacoin" => "platinacoin",
		634	"platinacoins" => "platinacoin",
		635	"royalty" => "royalty",
		636	"royalties" => "royalty",
		637	);
		638
		639	sub coin_from_name($) {
		640	$coin_alias{$_[0]}
		641	? cf::arch::find $coin_alias{$_[0]}
		642	: undef
472	}	643	}
473		644
474	=item $value = cf::db_get $family => $key	645	=item $value = cf::db_get $family => $key
475		646
476	Returns a single value from the environment database.	647	Returns a single value from the environment database.
…		…
478	=item cf::db_put $family => $key => $value	649	=item cf::db_put $family => $key => $value
479		650
480	Stores the given C<$value> in the family. It can currently store binary	651	Stores the given C<$value> in the family. It can currently store binary
481	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	652	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
482		653
		654	=item $db = cf::db_table "name"
		655
		656	Create and/or open a new database table. The string must not be "db" and must be unique
		657	within each server.
		658
483	=cut	659	=cut
		660
		661	sub db_table($) {
		662	cf::error "db_get called from main context"
		663	if $Coro::current == $Coro::main;
		664
		665	my ($name) = @_;
		666	my $db = BDB::db_create $DB_ENV;
		667
		668	eval {
		669	$db->set_flags (BDB::CHKSUM);
		670
		671	utf8::encode $name;
		672	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		673	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		674	cf::cleanup "db_open(db): $!" if $!;
		675	};
		676	cf::cleanup "db_open(db): $@" if $@;
		677
		678	$db
		679	}
484		680
485	our $DB;	681	our $DB;
486		682
487	sub db_init {	683	sub db_init {
488	unless ($DB) {	684	$DB ||= db_table "db";
489	$DB = BDB::db_create $DB_ENV;
490
491	cf::sync_job {
492	eval {
493	$DB->set_flags (BDB::CHKSUM);
494
495	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
496	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
497	cf::cleanup "db_open(db): $!" if $!;
498	};
499	cf::cleanup "db_open(db): $@" if $@;
500	};
501	}
502	}	685	}
503		686
504	sub db_get($$) {	687	sub db_get($$) {
505	my $key = "$_[0]/$_[1]";	688	my $key = "$_[0]/$_[1]";
506		689
507	cf::sync_job {	690	cf::error "db_get called from main context"
		691	if $Coro::current == $Coro::main;
		692
508	BDB::db_get $DB, undef, $key, my $data;	693	BDB::db_get $DB, undef, $key, my $data;
509		694
510	$! ? ()	695	$! ? ()
511	: $data	696	: $data
512	}
513	}	697	}
514		698
515	sub db_put($$$) {	699	sub db_put($$$) {
516	BDB::dbreq_pri 4;	700	BDB::dbreq_pri 4;
517	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	701	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
556	if (1) {	740	if (1) {
557	$md5 =	741	$md5 =
558	join "\x00",	742	join "\x00",
559	$processversion,	743	$processversion,
560	map {	744	map {
561	Coro::cede;	745	cf::cede_to_tick;
562	($src->[$_], Digest::MD5::md5_hex $data[$_])	746	($src->[$_], Digest::MD5::md5_hex $data[$_])
563	} 0.. $#$src;	747	} 0.. $#$src;
564		748
565		749
566	my $dbmd5 = db_get cache => "$id/md5";	750	my $dbmd5 = db_get cache => "$id/md5";
…		…
573		757
574	my $t1 = Time::HiRes::time;	758	my $t1 = Time::HiRes::time;
575	my $data = $process->(\@data);	759	my $data = $process->(\@data);
576	my $t2 = Time::HiRes::time;	760	my $t2 = Time::HiRes::time;
577		761
578	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	762	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
579		763
580	db_put cache => "$id/data", $data;	764	db_put cache => "$id/data", $data;
581	db_put cache => "$id/md5" , $md5;	765	db_put cache => "$id/md5" , $md5;
582	db_put cache => "$id/meta", $meta;	766	db_put cache => "$id/meta", $meta;
583		767
…		…
593		777
594	=cut	778	=cut
595		779
596	sub datalog($@) {	780	sub datalog($@) {
597	my ($type, %kv) = @_;	781	my ($type, %kv) = @_;
598	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	782	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
599	}	783	}
600		784
601	=back	785	=back
602		786
603	=cut	787	=cut
604		788
605	#############################################################################	789	#############################################################################
606		790
607	=head2 ATTACHABLE OBJECTS	791	=head2 ATTACHABLE OBJECTS
608		792
609	Many objects in crossfire are so-called attachable objects. That means you can	793	Many objects in deliantra are so-called attachable objects. That means you can
610	attach callbacks/event handlers (a collection of which is called an "attachment")	794	attach callbacks/event handlers (a collection of which is called an "attachment")
611	to it. All such attachable objects support the following methods.	795	to it. All such attachable objects support the following methods.
612		796
613	In the following description, CLASS can be any of C<global>, C<object>	797	In the following description, CLASS can be any of C<global>, C<object>
614	C<player>, C<client> or C<map> (i.e. the attachable objects in	798	C<player>, C<client> or C<map> (i.e. the attachable objects in
615	Crossfire TRT).	799	Deliantra).
616		800
617	=over 4	801	=over 4
618		802
619	=item $attachable->attach ($attachment, key => $value...)	803	=item $attachable->attach ($attachment, key => $value...)
620		804
…		…
664	=item cf::CLASS::attachment $name, ...	848	=item cf::CLASS::attachment $name, ...
665		849
666	Register an attachment by C<$name> through which attachable objects of the	850	Register an attachment by C<$name> through which attachable objects of the
667	given CLASS can refer to this attachment.	851	given CLASS can refer to this attachment.
668		852
669	Some classes such as crossfire maps and objects can specify attachments	853	Some classes such as deliantra maps and objects can specify attachments
670	that are attached at load/instantiate time, thus the need for a name.	854	that are attached at load/instantiate time, thus the need for a name.
671		855
672	These calls expect any number of the following handler/hook descriptions:	856	These calls expect any number of the following handler/hook descriptions:
673		857
674	=over 4	858	=over 4
…		…
798		982
799	} elsif (exists $cb_id{$type}) {	983	} elsif (exists $cb_id{$type}) {
800	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	984	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
801		985
802	} elsif (ref $type) {	986	} elsif (ref $type) {
803	warn "attaching objects not supported, ignoring.\n";	987	error "attaching objects not supported, ignoring.\n";
804		988
805	} else {	989	} else {
806	shift @arg;	990	shift @arg;
807	warn "attach argument '$type' not supported, ignoring.\n";	991	error "attach argument '$type' not supported, ignoring.\n";
808	}	992	}
809	}	993	}
810	}	994	}
811		995
812	sub _object_attach {	996	sub _object_attach {
…		…
822	_attach $registry, $klass, @attach;	1006	_attach $registry, $klass, @attach;
823	}	1007	}
824		1008
825	$obj->{$name} = \%arg;	1009	$obj->{$name} = \%arg;
826	} else {	1010	} else {
827	warn "object uses attachment '$name' which is not available, postponing.\n";	1011	info "object uses attachment '$name' which is not available, postponing.\n";
828	}	1012	}
829		1013
830	$obj->{_attachment}{$name} = undef;	1014	$obj->{_attachment}{$name} = undef;
831	}	1015	}
832		1016
…		…
891		1075
892	for (@$callbacks) {	1076	for (@$callbacks) {
893	eval { &{$_->[1]} };	1077	eval { &{$_->[1]} };
894		1078
895	if ($@) {	1079	if ($@) {
896	warn "$@";
897	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1080	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
898	override;	1081	override;
899	}	1082	}
900		1083
901	return 1 if $override;	1084	return 1 if $override;
902	}	1085	}
903		1086
904	0	1087	0
905	}	1088	}
906		1089
907	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
908		1091
909	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1092	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
910		1093
911	Generate an object-specific event with the given arguments.	1094	Generate an object-specific event with the given arguments.
912		1095
…		…
919	=cut	1102	=cut
920		1103
921	#############################################################################	1104	#############################################################################
922	# object support	1105	# object support
923		1106
		1107	sub _object_equal($$);
		1108	sub _object_equal($$) {
		1109	my ($a, $b) = @_;
		1110
		1111	return 0 unless (ref $a) eq (ref $b);
		1112
		1113	if ("HASH" eq ref $a) {
		1114	my @ka = keys %$a;
		1115	my @kb = keys %$b;
		1116
		1117	return 0 if @ka != @kb;
		1118
		1119	for (0 .. $#ka) {
		1120	return 0 unless $ka[$_] eq $kb[$_];
		1121	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1122	}
		1123
		1124	} elsif ("ARRAY" eq ref $a) {
		1125
		1126	return 0 if @$a != @$b;
		1127
		1128	for (0 .. $#$a) {
		1129	return 0 unless _object_equal $a->[$_], $b->[$_];
		1130	}
		1131
		1132	} elsif ($a ne $b) {
		1133	return 0;
		1134	}
		1135
		1136	1
		1137	}
		1138
		1139	our $SLOW_MERGES;#d#
		1140	sub _can_merge {
		1141	my ($ob1, $ob2) = @_;
		1142
		1143	++$SLOW_MERGES;#d#
		1144
		1145	# we do the slow way here
		1146	return _object_equal $ob1, $ob2
		1147	}
		1148
924	sub reattach {	1149	sub reattach {
925	# basically do the same as instantiate, without calling instantiate	1150	# basically do the same as instantiate, without calling instantiate
926	my ($obj) = @_;	1151	my ($obj) = @_;
927		1152
		1153	# no longer needed after getting rid of delete_package?
928	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1154	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
929		1155
930	my $registry = $obj->registry;	1156	my $registry = $obj->registry;
931		1157
932	@$registry = ();	1158	@$registry = ();
933		1159
…		…
938	for (@$attach) {	1164	for (@$attach) {
939	my ($klass, @attach) = @$_;	1165	my ($klass, @attach) = @$_;
940	_attach $registry, $klass, @attach;	1166	_attach $registry, $klass, @attach;
941	}	1167	}
942	} else {	1168	} else {
943	warn "object uses attachment '$name' that is not available, postponing.\n";	1169	info "object uses attachment '$name' that is not available, postponing.\n";
944	}	1170	}
945	}	1171	}
946	}	1172	}
947		1173
948	cf::attachable->attach (	1174	cf::attachable->attach (
949	prio => -1000000,	1175	prio => -1000000,
950	on_instantiate => sub {	1176	on_instantiate => sub {
951	my ($obj, $data) = @_;	1177	my ($obj, $data) = @_;
952		1178
953	$data = from_json $data;	1179	$data = decode_json $data;
954		1180
955	for (@$data) {	1181	for (@$data) {
956	my ($name, $args) = @$_;	1182	my ($name, $args) = @$_;
957		1183
958	$obj->attach ($name, %{$args || {} });	1184	$obj->attach ($name, %{$args || {} });
…		…
974	sub object_freezer_save {	1200	sub object_freezer_save {
975	my ($filename, $rdata, $objs) = @_;	1201	my ($filename, $rdata, $objs) = @_;
976		1202
977	sync_job {	1203	sync_job {
978	if (length $$rdata) {	1204	if (length $$rdata) {
		1205	utf8::decode (my $decname = $filename);
979	warn sprintf "saving %s (%d,%d)\n",	1206	trace sprintf "saving %s (%d,%d)\n",
980	$filename, length $$rdata, scalar @$objs;	1207	$decname, length $$rdata, scalar @$objs
		1208	if $VERBOSE_IO;
981		1209
982	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1210	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
983	chmod SAVE_MODE, $fh;	1211	aio_chmod $fh, SAVE_MODE;
984	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1212	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
985	aio_fsync $fh if $cf::USE_FSYNC;	1213	if ($cf::USE_FSYNC) {
		1214	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;
		1215	aio_fsync $fh;
		1216	}
986	close $fh;	1217	aio_close $fh;
987		1218
988	if (@$objs) {	1219	if (@$objs) {
989	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1220	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
990	chmod SAVE_MODE, $fh;	1221	aio_chmod $fh, SAVE_MODE;
991	my $data = Storable::nfreeze { version => 1, objs => $objs };	1222	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
992	aio_write $fh, 0, (length $data), $data, 0;	1223	aio_write $fh, 0, (length $data), $data, 0;
993	aio_fsync $fh if $cf::USE_FSYNC;	1224	if ($cf::USE_FSYNC) {
		1225	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;
		1226	aio_fsync $fh;
		1227	}
994	close $fh;	1228	aio_close $fh;
995	aio_rename "$filename.pst~", "$filename.pst";	1229	aio_rename "$filename.pst~", "$filename.pst";
996	}	1230	}
997	} else {	1231	} else {
998	aio_unlink "$filename.pst";	1232	aio_unlink "$filename.pst";
999	}	1233	}
1000		1234
1001	aio_rename "$filename~", $filename;	1235	aio_rename "$filename~", $filename;
		1236
		1237	$filename =~ s%/[^/]+$%%;
		1238	aio_pathsync $filename if $cf::USE_FSYNC;
1002	} else {	1239	} else {
1003	warn "FATAL: $filename~: $!\n";	1240	error "unable to save objects: $filename~: $!\n";
1004	}	1241	}
1005	} else {	1242	} else {
1006	aio_unlink $filename;	1243	aio_unlink $filename;
1007	aio_unlink "$filename.pst";	1244	aio_unlink "$filename.pst";
1008	}	1245	}
1009	}	1246	};
1010	}	1247	}
1011		1248
1012	sub object_freezer_as_string {	1249	sub object_freezer_as_string {
1013	my ($rdata, $objs) = @_;	1250	my ($rdata, $objs) = @_;
1014		1251
…		…
1026	or return;	1263	or return;
1027		1264
1028	unless (aio_stat "$filename.pst") {	1265	unless (aio_stat "$filename.pst") {
1029	(aio_load "$filename.pst", $av) >= 0	1266	(aio_load "$filename.pst", $av) >= 0
1030	or return;	1267	or return;
		1268
1031	$av = eval { (Storable::thaw $av)->{objs} };	1269	my $st = eval { Coro::Storable::thaw $av };
		1270	$av = $st->{objs};
1032	}	1271	}
1033		1272
		1273	utf8::decode (my $decname = $filename);
1034	warn sprintf "loading %s (%d)\n",	1274	trace sprintf "loading %s (%d,%d)\n",
1035	$filename, length $data, scalar @{$av || []};	1275	$decname, length $data, scalar @{$av || []}
		1276	if $VERBOSE_IO;
		1277
1036	return ($data, $av);	1278	($data, $av)
1037	}	1279	}
1038		1280
1039	=head2 COMMAND CALLBACKS	1281	=head2 COMMAND CALLBACKS
1040		1282
1041	=over 4	1283	=over 4
…		…
1095	my ($name, $cb) = @_;	1337	my ($name, $cb) = @_;
1096		1338
1097	$EXTICMD{$name} = $cb;	1339	$EXTICMD{$name} = $cb;
1098	}	1340	}
1099		1341
		1342	use File::Glob ();
		1343
1100	cf::player->attach (	1344	cf::player->attach (
1101	on_command => sub {	1345	on_unknown_command => sub {
1102	my ($pl, $name, $params) = @_;	1346	my ($pl, $name, $params) = @_;
1103		1347
1104	my $cb = $COMMAND{$name}	1348	my $cb = $COMMAND{$name}
1105	or return;	1349	or return;
1106		1350
…		…
1114	my ($pl, $buf) = @_;	1358	my ($pl, $buf) = @_;
1115		1359
1116	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1360	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1117		1361
1118	if (ref $msg) {	1362	if (ref $msg) {
		1363	my ($type, $reply, @payload) =
		1364	"ARRAY" eq ref $msg
		1365	? @$msg
		1366	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1367
		1368	my @reply;
		1369
1119	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1370	if (my $cb = $EXTCMD{$type}) {
1120	if (my %reply = $cb->($pl, $msg)) {	1371	@reply = $cb->($pl, @payload);
1121	$pl->ext_reply ($msg->{msgid}, %reply);
1122	}
1123	}	1372	}
		1373
		1374	$pl->ext_reply ($reply, @reply)
		1375	if $reply;
		1376
1124	} else {	1377	} else {
1125	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1378	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1126	}	1379	}
1127		1380
1128	cf::override;	1381	cf::override;
1129	},	1382	},
1130	);	1383	);
1131		1384
		1385	# "readahead" all extensions
		1386	sub cache_extensions {
		1387	my $grp = IO::AIO::aio_group;
		1388
		1389	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1390	for (grep /\.ext$/, @{$_[0]}) {
		1391	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1392	}
		1393	};
		1394
		1395	$grp
		1396	}
		1397
1132	sub load_extensions {	1398	sub load_extensions {
		1399	info "loading extensions...";
		1400
1133	cf::sync_job {	1401	cf::sync_job {
1134	my %todo;	1402	my %todo;
1135		1403
1136	for my $path (<$LIBDIR/*.ext>) {	1404	for my $path (<$LIBDIR/*.ext>) {
1137	next unless -r $path;	1405	next unless -r $path;
…		…
1155		1423
1156	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1424	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1157	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1425	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1158		1426
1159	$ext{source} =	1427	$ext{source} =
1160	"package $pkg; use strict; use utf8;\n"	1428	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1161	. "#line 1 \"$path\"\n{\n"	1429	. "#line 1 \"$path\"\n{\n"
1162	. $source	1430	. $source
1163	. "\n};\n1";	1431	. "\n};\n1";
1164		1432
1165	$todo{$base} = \%ext;	1433	$todo{$base} = \%ext;
1166	}	1434	}
1167		1435
		1436	my $pass = 0;
1168	my %done;	1437	my %done;
1169	while (%todo) {	1438	while (%todo) {
1170	my $progress;	1439	my $progress;
1171		1440
		1441	++$pass;
		1442
		1443	ext:
1172	while (my ($k, $v) = each %todo) {	1444	while (my ($k, $v) = each %todo) {
1173	for (split /,\s*/, $v->{meta}{depends}) {	1445	for (split /,\s*/, $v->{meta}{depends}) {
1174	goto skip	1446	next ext
1175	unless exists $done{$_};	1447	unless exists $done{$_};
1176	}	1448	}
1177		1449
1178	warn "... loading '$k' into '$v->{pkg}'\n";	1450	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1179		1451
1180	unless (eval $v->{source}) {	1452	my $active = eval $v->{source};
		1453
		1454	if (length $@) {
1181	my $msg = $@ ? "$v->{path}: $@\n"	1455	error "$v->{path}: $@\n";
1182	: "$v->{base}: extension inactive.\n";
1183		1456
		1457	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1184	if (exists $v->{meta}{mandatory}) {	1458	if exists $v->{meta}{mandatory};
1185	warn $msg;	1459
1186	warn "mandatory extension failed to load, exiting.\n";	1460	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1187	exit 1;	1461	delete $todo{$k};
1188	}	1462	} else {
1189		1463	$done{$k} = delete $todo{$k};
1190	warn $msg;	1464	push @EXTS, $v->{pkg};
		1465	$progress = 1;
		1466
		1467	info "$v->{base}: extension inactive.\n"
		1468	unless $active;
1191	}	1469	}
1192
1193	$done{$k} = delete $todo{$k};
1194	push @EXTS, $v->{pkg};
1195	$progress = 1;
1196	}	1470	}
1197		1471
1198	skip:	1472	unless ($progress) {
1199	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1473	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1200	unless $progress;	1474
		1475	while (my ($k, $v) = each %todo) {
		1476	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1477	if exists $v->{meta}{mandatory};
		1478	}
		1479	}
1201	}	1480	}
1202	};	1481	};
1203	}	1482	}
1204		1483
1205	#############################################################################	1484	#############################################################################
1206		1485
1207	=back	1486	=back
1208		1487
1209	=head2 CORE EXTENSIONS	1488	=head2 CORE EXTENSIONS
1210		1489
1211	Functions and methods that extend core crossfire objects.	1490	Functions and methods that extend core deliantra objects.
1212		1491
1213	=cut	1492	=cut
1214		1493
1215	package cf::player;	1494	package cf::player;
1216		1495
1217	use Coro::AIO;	1496	use Coro::AIO;
1218		1497
1219	=head3 cf::player	1498	=head3 cf::player
1220		1499
1221	=over 4	1500	=over 4
		1501
		1502	=item cf::player::num_playing
		1503
		1504	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1505
		1506	=cut
		1507
		1508	sub num_playing {
		1509	scalar grep
		1510	$_->ob->map
		1511	&& !$_->hidden
		1512	&& !$_->ob->flag (cf::FLAG_WIZ),
		1513	cf::player::list
		1514	}
1222		1515
1223	=item cf::player::find $login	1516	=item cf::player::find $login
1224		1517
1225	Returns the given player object, loading it if necessary (might block).	1518	Returns the given player object, loading it if necessary (might block).
1226		1519
…		…
1245		1538
1246	sub exists($) {	1539	sub exists($) {
1247	my ($login) = @_;	1540	my ($login) = @_;
1248		1541
1249	$cf::PLAYER{$login}	1542	$cf::PLAYER{$login}
1250	or cf::sync_job { !aio_stat path $login }	1543	or !aio_stat path $login
1251	}	1544	}
1252		1545
1253	sub find($) {	1546	sub find($) {
1254	return $cf::PLAYER{$_[0]} || do {	1547	return $cf::PLAYER{$_[0]} || do {
1255	my $login = $_[0];	1548	my $login = $_[0];
…		…
1262	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1555	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1263	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1556	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1264	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1557	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1265	aio_unlink +(playerdir $login) . "/$login.pl";	1558	aio_unlink +(playerdir $login) . "/$login.pl";
1266		1559
1267	my $pl = load_pl path $login	1560	my $f = new_from_file cf::object::thawer path $login
1268	or return;	1561	or return;
		1562
		1563	my $pl = cf::player::load_pl $f
		1564	or return;
		1565
		1566	local $cf::PLAYER_LOADING{$login} = $pl;
		1567	$f->resolve_delayed_derefs;
1269	$cf::PLAYER{$login} = $pl	1568	$cf::PLAYER{$login} = $pl
1270	}	1569	}
1271	}	1570	}
1272	}	1571	}
		1572
		1573	cf::player->attach (
		1574	on_load => sub {
		1575	my ($pl, $path) = @_;
		1576
		1577	# restore slots saved in save, below
		1578	my $slots = delete $pl->{_slots};
		1579
		1580	$pl->ob->current_weapon ($slots->[0]);
		1581	$pl->combat_ob ($slots->[1]);
		1582	$pl->ranged_ob ($slots->[2]);
		1583	},
		1584	);
1273		1585
1274	sub save($) {	1586	sub save($) {
1275	my ($pl) = @_;	1587	my ($pl) = @_;
1276		1588
1277	return if $pl->{deny_save};	1589	return if $pl->{deny_save};
…		…
1282	return if $pl->{deny_save};	1594	return if $pl->{deny_save};
1283		1595
1284	aio_mkdir playerdir $pl, 0770;	1596	aio_mkdir playerdir $pl, 0770;
1285	$pl->{last_save} = $cf::RUNTIME;	1597	$pl->{last_save} = $cf::RUNTIME;
1286		1598
		1599	cf::get_slot 0.01;
		1600
		1601	# save slots, to be restored later
		1602	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1603
1287	$pl->save_pl ($path);	1604	$pl->save_pl ($path);
1288	Coro::cede;	1605	cf::cede_to_tick;
1289	}	1606	}
1290		1607
1291	sub new($) {	1608	sub new($) {
1292	my ($login) = @_;	1609	my ($login) = @_;
1293		1610
…		…
1299	$cf::PLAYER{$login} = $self;	1616	$cf::PLAYER{$login} = $self;
1300		1617
1301	$self	1618	$self
1302	}	1619	}
1303		1620
		1621	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1622
		1623	=cut
		1624
		1625	sub send_msg {
		1626	my $ns = shift->ns
		1627	or return;
		1628	$ns->send_msg (@_);
		1629	}
		1630
1304	=item $pl->quit_character	1631	=item $pl->quit_character
1305		1632
1306	Nukes the player without looking back. If logged in, the connection will	1633	Nukes the player without looking back. If logged in, the connection will
1307	be destroyed. May block for a long time.	1634	be destroyed. May block for a long time.
1308		1635
…		…
1312	my ($pl) = @_;	1639	my ($pl) = @_;
1313		1640
1314	my $name = $pl->ob->name;	1641	my $name = $pl->ob->name;
1315		1642
1316	$pl->{deny_save} = 1;	1643	$pl->{deny_save} = 1;
1317	$pl->password ("*"); # this should lock out the player until we nuked the dir	1644	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1318		1645
1319	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1646	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1320	$pl->deactivate;	1647	$pl->deactivate;
		1648	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1321	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1649	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1322	$pl->ns->destroy if $pl->ns;	1650	$pl->ns->destroy if $pl->ns;
1323		1651
1324	my $path = playerdir $pl;	1652	my $path = playerdir $pl;
1325	my $temp = "$path~$cf::RUNTIME~deleting~";	1653	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1361	or return [];	1689	or return [];
1362		1690
1363	my @logins;	1691	my @logins;
1364		1692
1365	for my $login (@$dirs) {	1693	for my $login (@$dirs) {
		1694	my $path = path $login;
		1695
		1696	# a .pst is a dead give-away for a valid player
		1697	# if no pst file found, open and chekc for blocked users
		1698	if (aio_stat "$path.pst") {
1366	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1699	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1367	aio_read $fh, 0, 512, my $buf, 0 or next;	1700	aio_read $fh, 0, 512, my $buf, 0 or next;
1368	$buf !~ /^password -------------$/m or next; # official not-valid tag	1701	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1702	}
1369		1703
1370	utf8::decode $login;	1704	utf8::decode $login;
1371	push @logins, $login;	1705	push @logins, $login;
1372	}	1706	}
1373		1707
1374	\@logins	1708	\@logins
1375	}	1709	}
1376		1710
1377	=item $player->maps	1711	=item $player->maps
		1712
		1713	=item cf::player::maps $login
1378		1714
1379	Returns an arrayref of map paths that are private for this	1715	Returns an arrayref of map paths that are private for this
1380	player. May block.	1716	player. May block.
1381		1717
1382	=cut	1718	=cut
…		…
1400	}	1736	}
1401		1737
1402	\@paths	1738	\@paths
1403	}	1739	}
1404		1740
1405	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1741	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1406		1742
1407	Expand crossfire pod fragments into protocol xml.	1743	Expand deliantra pod fragments into protocol xml.
1408		1744
1409	=cut
1410
1411	sub expand_cfpod {
1412	((my $self), (local $_)) = @_;
1413
1414	# escape & and <
1415	s/&/&amp;/g;
1416	s/(?<![BIUGH])</&lt;/g;
1417
1418	# this is buggy, it needs to properly take care of nested <'s
1419
1420	1 while
1421	# replace B<>, I<>, U<> etc.
1422	s/B<([^\>]*)>/<b>$1<\/b>/
1423	|| s/I<([^\>]*)>/<i>$1<\/i>/
1424	|| s/U<([^\>]*)>/<u>$1<\/u>/
1425	# replace G<male|female> tags
1426	|| s{G<([^>|]*)\|([^>]*)>}{
1427	$self->gender ? $2 : $1
1428	}ge
1429	# replace H<hint text>
1430	|| s{H<([^\>]*)>}
1431	{
1432	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1433	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1434	"")
1435	[$self->{hintmode}]
1436	}ge;
1437
1438	# create single paragraphs (very hackish)
1439	s/(?<=\S)\n(?=\w)/ /g;
1440
1441	# compress some whitespace
1442	s/\s+\n/\n/g; # ws line-ends
1443	s/\n\n+/\n/g; # double lines
1444	s/^\n+//; # beginning lines
1445	s/\n+$//; # ending lines
1446
1447	$_
1448	}
1449
1450	sub hintmode {
1451	$_[0]{hintmode} = $_[1] if @_ > 1;
1452	$_[0]{hintmode}
1453	}
1454
1455	=item $player->ext_reply ($msgid, %msg)	1745	=item $player->ext_reply ($msgid, @msg)
1456		1746
1457	Sends an ext reply to the player.	1747	Sends an ext reply to the player.
1458		1748
1459	=cut	1749	=cut
1460		1750
1461	sub ext_reply($$%) {	1751	sub ext_reply($$@) {
1462	my ($self, $id, %msg) = @_;	1752	my ($self, $id, @msg) = @_;
1463		1753
1464	$msg{msgid} = $id;	1754	$self->ns->ext_reply ($id, @msg)
1465	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1466	}	1755	}
1467		1756
1468	=item $player->ext_event ($type, %msg)	1757	=item $player->ext_msg ($type, @msg)
1469		1758
1470	Sends an ext event to the client.	1759	Sends an ext event to the client.
1471		1760
1472	=cut	1761	=cut
1473		1762
1474	sub ext_event($$%) {	1763	sub ext_msg($$@) {
1475	my ($self, $type, %msg) = @_;	1764	my ($self, $type, @msg) = @_;
1476		1765
1477	$self->ns->ext_event ($type, %msg);	1766	$self->ns->ext_msg ($type, @msg);
1478	}	1767	}
1479		1768
1480	=head3 cf::region	1769	=head3 cf::region
1481		1770
1482	=over 4	1771	=over 4
…		…
1491		1780
1492	=cut	1781	=cut
1493		1782
1494	sub find_by_path($) {	1783	sub find_by_path($) {
1495	my ($path) = @_;	1784	my ($path) = @_;
		1785
		1786	$path =~ s/^~[^\/]*//; # skip ~login
1496		1787
1497	my ($match, $specificity);	1788	my ($match, $specificity);
1498		1789
1499	for my $region (list) {	1790	for my $region (list) {
1500	if ($region->{match} && $path =~ $region->{match}) {	1791	if ($region->{match} && $path =~ $region->{match}) {
…		…
1526	our $MAX_RESET = 3600;	1817	our $MAX_RESET = 3600;
1527	our $DEFAULT_RESET = 3000;	1818	our $DEFAULT_RESET = 3000;
1528		1819
1529	sub generate_random_map {	1820	sub generate_random_map {
1530	my ($self, $rmp) = @_;	1821	my ($self, $rmp) = @_;
		1822
		1823	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1824
1531	# mit "rum" bekleckern, nicht	1825	# mit "rum" bekleckern, nicht
1532	$self->_create_random_map (	1826	$self->_create_random_map (
1533	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1827	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1534	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1828	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1535	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1829	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1536	$rmp->{exit_on_final_map},	1830	$rmp->{exit_on_final_map},
1537	$rmp->{xsize}, $rmp->{ysize},	1831	$rmp->{xsize}, $rmp->{ysize},
1538	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1832	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1539	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1833	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1561		1855
1562	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1856	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1563	}	1857	}
1564		1858
1565	# also paths starting with '/'	1859	# also paths starting with '/'
1566	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1860	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1567		1861
1568	sub thawer_merge {	1862	sub thawer_merge {
1569	my ($self, $merge) = @_;	1863	my ($self, $merge) = @_;
1570		1864
1571	# we have to keep some variables in memory intact	1865	# we have to keep some variables in memory intact
…		…
1657		1951
1658	# the temporary/swap location	1952	# the temporary/swap location
1659	sub save_path {	1953	sub save_path {
1660	my ($self) = @_;	1954	my ($self) = @_;
1661		1955
1662	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1956	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1663	"$TMPDIR/$path.map"	1957	"$TMPDIR/$path.map"
1664	}	1958	}
1665		1959
1666	# the unique path, undef == no special unique path	1960	# the unique path, undef == no special unique path
1667	sub uniq_path {	1961	sub uniq_path {
1668	my ($self) = @_;	1962	my ($self) = @_;
1669		1963
1670	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1964	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1671	"$UNIQUEDIR/$path"	1965	"$UNIQUEDIR/$path"
1672	}
1673
1674	# and all this just because we cannot iterate over
1675	# all maps in C++...
1676	sub change_all_map_light {
1677	my ($change) = @_;
1678
1679	$_->change_map_light ($change)
1680	for grep $_->outdoor, values %cf::MAP;
1681	}	1966	}
1682		1967
1683	sub decay_objects {	1968	sub decay_objects {
1684	my ($self) = @_;	1969	my ($self) = @_;
1685		1970
…		…
1698		1983
1699	sub load_header_from($) {	1984	sub load_header_from($) {
1700	my ($self, $path) = @_;	1985	my ($self, $path) = @_;
1701		1986
1702	utf8::encode $path;	1987	utf8::encode $path;
1703	#aio_open $path, O_RDONLY, 0	1988	my $f = new_from_file cf::object::thawer $path
1704	# or return;
1705
1706	$self->_load_header ($path)
1707	or return;	1989	or return;
		1990
		1991	$self->_load_header ($f)
		1992	or return;
		1993
		1994	local $MAP_LOADING{$self->{path}} = $self;
		1995	$f->resolve_delayed_derefs;
1708		1996
1709	$self->{load_path} = $path;	1997	$self->{load_path} = $path;
1710		1998
1711	1	1999	1
1712	}	2000	}
…		…
1766	sub find {	2054	sub find {
1767	my ($path, $origin) = @_;	2055	my ($path, $origin) = @_;
1768		2056
1769	$path = normalise $path, $origin && $origin->path;	2057	$path = normalise $path, $origin && $origin->path;
1770		2058
		2059	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1771	cf::lock_wait "map_find:$path";	2060	my $guard2 = cf::lock_acquire "map_find:$path";
1772		2061
1773	$cf::MAP{$path} || do {	2062	$cf::MAP{$path} || do {
1774	my $guard = cf::lock_acquire "map_find:$path";
1775	my $map = new_from_path cf::map $path	2063	my $map = new_from_path cf::map $path
1776	or return;	2064	or return;
1777		2065
1778	$map->{last_save} = $cf::RUNTIME;	2066	$map->{last_save} = $cf::RUNTIME;
1779		2067
…		…
1781	or return;	2069	or return;
1782		2070
1783	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2071	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1784	# doing this can freeze the server in a sync job, obviously	2072	# doing this can freeze the server in a sync job, obviously
1785	#$cf::WAIT_FOR_TICK->wait;	2073	#$cf::WAIT_FOR_TICK->wait;
		2074	undef $guard2;
		2075	undef $guard1;
1786	$map->reset;	2076	$map->reset;
1787	undef $guard;
1788	return find $path;	2077	return find $path;
1789	}	2078	}
1790		2079
1791	$cf::MAP{$path} = $map	2080	$cf::MAP{$path} = $map
1792	}	2081	}
1793	}	2082	}
1794		2083
1795	sub pre_load { }	2084	sub pre_load { }
1796	sub post_load { }	2085	#sub post_load { } # XS
1797		2086
1798	sub load {	2087	sub load {
1799	my ($self) = @_;	2088	my ($self) = @_;
1800		2089
1801	local $self->{deny_reset} = 1; # loading can take a long time	2090	local $self->{deny_reset} = 1; # loading can take a long time
1802		2091
1803	my $path = $self->{path};	2092	my $path = $self->{path};
1804		2093
1805	{	2094	{
1806	my $guard = cf::lock_acquire "map_load:$path";	2095	my $guard = cf::lock_acquire "map_data:$path";
1807		2096
		2097	return unless $self->valid;
1808	return if $self->in_memory != cf::MAP_SWAPPED;	2098	return unless $self->in_memory == cf::MAP_SWAPPED;
1809		2099
1810	$self->in_memory (cf::MAP_LOADING);	2100	$self->in_memory (cf::MAP_LOADING);
1811		2101
1812	$self->alloc;	2102	$self->alloc;
1813		2103
1814	$self->pre_load;	2104	$self->pre_load;
1815	Coro::cede;	2105	cf::cede_to_tick;
1816		2106
		2107	my $f = new_from_file cf::object::thawer $self->{load_path};
		2108	$f->skip_block;
1817	$self->_load_objects ($self->{load_path}, 1)	2109	$self->_load_objects ($f)
1818	or return;	2110	or return;
1819		2111
1820	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2112	$self->post_load_original
1821	if delete $self->{load_original};	2113	if delete $self->{load_original};
1822		2114
1823	if (my $uniq = $self->uniq_path) {	2115	if (my $uniq = $self->uniq_path) {
1824	utf8::encode $uniq;	2116	utf8::encode $uniq;
1825	if (aio_open $uniq, O_RDONLY, 0) {	2117	unless (aio_stat $uniq) {
		2118	if (my $f = new_from_file cf::object::thawer $uniq) {
1826	$self->clear_unique_items;	2119	$self->clear_unique_items;
1827	$self->_load_objects ($uniq, 0);	2120	$self->_load_objects ($f);
		2121	$f->resolve_delayed_derefs;
		2122	}
1828	}	2123	}
1829	}	2124	}
1830		2125
1831	Coro::cede;	2126	$f->resolve_delayed_derefs;
		2127
		2128	cf::cede_to_tick;
1832	# now do the right thing for maps	2129	# now do the right thing for maps
1833	$self->link_multipart_objects;	2130	$self->link_multipart_objects;
1834	$self->difficulty ($self->estimate_difficulty)	2131	$self->difficulty ($self->estimate_difficulty)
1835	unless $self->difficulty;	2132	unless $self->difficulty;
1836	Coro::cede;	2133	cf::cede_to_tick;
1837		2134
1838	unless ($self->{deny_activate}) {	2135	unless ($self->{deny_activate}) {
1839	$self->decay_objects;	2136	$self->decay_objects;
1840	$self->fix_auto_apply;	2137	$self->fix_auto_apply;
1841	$self->update_buttons;	2138	$self->update_buttons;
1842	Coro::cede;	2139	cf::cede_to_tick;
1843	$self->set_darkness_map;
1844	Coro::cede;
1845	$self->activate;	2140	$self->activate;
1846	}	2141	}
1847		2142
		2143	$self->{last_save} = $cf::RUNTIME;
		2144	$self->last_access ($cf::RUNTIME);
		2145
1848	$self->in_memory (cf::MAP_IN_MEMORY);	2146	$self->in_memory (cf::MAP_ACTIVE);
1849	}	2147	}
1850		2148
1851	$self->post_load;	2149	$self->post_load;
1852	}	2150	}
1853		2151
		2152	# customize the map for a given player, i.e.
		2153	# return the _real_ map. used by e.g. per-player
		2154	# maps to change the path to ~playername/mappath
1854	sub customise_for {	2155	sub customise_for {
1855	my ($self, $ob) = @_;	2156	my ($self, $ob) = @_;
1856		2157
1857	return find "~" . $ob->name . "/" . $self->{path}	2158	return find "~" . $ob->name . "/" . $self->{path}
1858	if $self->per_player;	2159	if $self->per_player;
…		…
1862		2163
1863	$self	2164	$self
1864	}	2165	}
1865		2166
1866	# find and load all maps in the 3x3 area around a map	2167	# find and load all maps in the 3x3 area around a map
1867	sub load_diag {	2168	sub load_neighbours {
1868	my ($map) = @_;	2169	my ($map) = @_;
1869		2170
1870	my @diag; # diagonal neighbours	2171	my @neigh; # diagonal neighbours
1871		2172
1872	for (0 .. 3) {	2173	for (0 .. 3) {
1873	my $neigh = $map->tile_path ($_)	2174	my $neigh = $map->tile_path ($_)
1874	or next;	2175	or next;
1875	$neigh = find $neigh, $map	2176	$neigh = find $neigh, $map
1876	or next;	2177	or next;
1877	$neigh->load;	2178	$neigh->load;
1878		2179
		2180	# now find the diagonal neighbours
		2181	push @neigh,
1879	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2182	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1880	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2183	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1881	}	2184	}
1882		2185
1883	for (@diag) {	2186	for (grep defined $_->[0], @neigh) {
		2187	my ($path, $origin) = @$_;
1884	my $neigh = find @$_	2188	my $neigh = find $path, $origin
1885	or next;	2189	or next;
1886	$neigh->load;	2190	$neigh->load;
1887	}	2191	}
1888	}	2192	}
1889		2193
1890	sub find_sync {	2194	sub find_sync {
1891	my ($path, $origin) = @_;	2195	my ($path, $origin) = @_;
1892		2196
1893	cf::sync_job { find $path, $origin }	2197	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2198	if $Coro::current == $Coro::main;
		2199
		2200	find $path, $origin
1894	}	2201	}
1895		2202
1896	sub do_load_sync {	2203	sub do_load_sync {
1897	my ($map) = @_;	2204	my ($map) = @_;
1898		2205
1899	cf::sync_job { $map->load };	2206	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2207	if $Coro::current == $Coro::main;
		2208
		2209	$map->load;
1900	}	2210	}
1901		2211
1902	our %MAP_PREFETCH;	2212	our %MAP_PREFETCH;
1903	our $MAP_PREFETCHER = undef;	2213	our $MAP_PREFETCHER = undef;
1904		2214
1905	sub find_async {	2215	sub find_async {
1906	my ($path, $origin) = @_;	2216	my ($path, $origin, $load) = @_;
1907		2217
1908	$path = normalise $path, $origin && $origin->{path};	2218	$path = normalise $path, $origin && $origin->{path};
1909		2219
1910	if (my $map = $cf::MAP{$path}) {	2220	if (my $map = $cf::MAP{$path}) {
1911	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2221	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1912	}	2222	}
1913		2223
1914	undef $MAP_PREFETCH{$path};	2224	$MAP_PREFETCH{$path} |= $load;
		2225
1915	$MAP_PREFETCHER ||= cf::async {	2226	$MAP_PREFETCHER ||= cf::async {
		2227	$Coro::current->{desc} = "map prefetcher";
		2228
1916	while (%MAP_PREFETCH) {	2229	while (%MAP_PREFETCH) {
1917	for my $path (keys %MAP_PREFETCH) {	2230	while (my ($k, $v) = each %MAP_PREFETCH) {
1918	if (my $map = find $path) {	2231	if (my $map = find $k) {
1919	$map->load;	2232	$map->load if $v;
1920	}	2233	}
1921		2234
1922	delete $MAP_PREFETCH{$path};	2235	delete $MAP_PREFETCH{$k};
1923	}	2236	}
1924	}	2237	}
1925	undef $MAP_PREFETCHER;	2238	undef $MAP_PREFETCHER;
1926	};	2239	};
1927	$MAP_PREFETCHER->prio (6);	2240	$MAP_PREFETCHER->prio (6);
1928		2241
1929	()	2242	()
1930	}	2243	}
1931		2244
		2245	# common code, used by both ->save and ->swapout
1932	sub save {	2246	sub _save {
1933	my ($self) = @_;	2247	my ($self) = @_;
1934
1935	my $lock = cf::lock_acquire "map_data:" . $self->path;
1936		2248
1937	$self->{last_save} = $cf::RUNTIME;	2249	$self->{last_save} = $cf::RUNTIME;
1938		2250
1939	return unless $self->dirty;	2251	return unless $self->dirty;
1940		2252
…		…
1946	return if $self->{deny_save};	2258	return if $self->{deny_save};
1947		2259
1948	local $self->{last_access} = $self->last_access;#d#	2260	local $self->{last_access} = $self->last_access;#d#
1949		2261
1950	cf::async {	2262	cf::async {
		2263	$Coro::current->{desc} = "map player save";
1951	$_->contr->save for $self->players;	2264	$_->contr->save for $self->players;
1952	};	2265	};
		2266
		2267	cf::get_slot 0.02;
1953		2268
1954	if ($uniq) {	2269	if ($uniq) {
1955	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2270	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1956	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2271	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1957	} else {	2272	} else {
1958	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2273	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1959	}	2274	}
1960	}	2275	}
1961		2276
		2277	sub save {
		2278	my ($self) = @_;
		2279
		2280	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2281
		2282	$self->_save;
		2283	}
		2284
1962	sub swap_out {	2285	sub swap_out {
1963	my ($self) = @_;	2286	my ($self) = @_;
1964		2287
1965	# save first because save cedes
1966	$self->save;
1967
1968	my $lock = cf::lock_acquire "map_data:" . $self->path;	2288	my $lock = cf::lock_acquire "map_data:$self->{path}";
1969		2289
		2290	return if $self->in_memory != cf::MAP_ACTIVE;
		2291	return if $self->{deny_save};
1970	return if $self->players;	2292	return if $self->players;
1971	return if $self->in_memory != cf::MAP_IN_MEMORY;
1972	return if $self->{deny_save};
1973		2293
		2294	# first deactivate the map and "unlink" it from the core
		2295	$self->deactivate;
		2296	$_->clear_links_to ($self) for values %cf::MAP;
		2297	$self->in_memory (cf::MAP_SWAPPED);
		2298
		2299	# then atomically save
		2300	$self->_save;
		2301
		2302	# then free the map
1974	$self->clear;	2303	$self->clear;
1975	$self->in_memory (cf::MAP_SWAPPED);
1976	}	2304	}
1977		2305
1978	sub reset_at {	2306	sub reset_at {
1979	my ($self) = @_;	2307	my ($self) = @_;
1980		2308
…		…
1998		2326
1999	my $lock = cf::lock_acquire "map_data:$self->{path}";	2327	my $lock = cf::lock_acquire "map_data:$self->{path}";
2000		2328
2001	return if $self->players;	2329	return if $self->players;
2002		2330
2003	warn "resetting map ", $self->path;	2331	cf::trace "resetting map ", $self->path, "\n";
2004		2332
2005	$self->in_memory (cf::MAP_SWAPPED);	2333	$self->in_memory (cf::MAP_SWAPPED);
2006		2334
2007	# need to save uniques path	2335	# need to save uniques path
2008	unless ($self->{deny_save}) {	2336	unless ($self->{deny_save}) {
…		…
2012	if $uniq;	2340	if $uniq;
2013	}	2341	}
2014		2342
2015	delete $cf::MAP{$self->path};	2343	delete $cf::MAP{$self->path};
2016		2344
		2345	$self->deactivate;
		2346	$_->clear_links_to ($self) for values %cf::MAP;
2017	$self->clear;	2347	$self->clear;
2018
2019	$_->clear_links_to ($self) for values %cf::MAP;
2020		2348
2021	$self->unlink_save;	2349	$self->unlink_save;
2022	$self->destroy;	2350	$self->destroy;
2023	}	2351	}
2024		2352
2025	my $nuke_counter = "aaaa";	2353	my $nuke_counter = "aaaa";
2026		2354
2027	sub nuke {	2355	sub nuke {
2028	my ($self) = @_;	2356	my ($self) = @_;
2029		2357
		2358	{
		2359	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2360
2030	delete $cf::MAP{$self->path};	2361	delete $cf::MAP{$self->path};
2031		2362
2032	$self->unlink_save;	2363	$self->unlink_save;
2033		2364
2034	bless $self, "cf::map";	2365	bless $self, "cf::map::wrap";
2035	delete $self->{deny_reset};	2366	delete $self->{deny_reset};
2036	$self->{deny_save} = 1;	2367	$self->{deny_save} = 1;
2037	$self->reset_timeout (1);	2368	$self->reset_timeout (1);
2038	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2369	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2039		2370
2040	$cf::MAP{$self->path} = $self;	2371	$cf::MAP{$self->path} = $self;
		2372	}
2041		2373
2042	$self->reset; # polite request, might not happen	2374	$self->reset; # polite request, might not happen
2043	}	2375	}
2044		2376
2045	=item $maps = cf::map::tmp_maps	2377	=item $maps = cf::map::tmp_maps
…		…
2087		2419
2088	sub unique_maps() {	2420	sub unique_maps() {
2089	[	2421	[
2090	map {	2422	map {
2091	utf8::decode $_;	2423	utf8::decode $_;
2092	/\.map$/	2424	s/\.map$//; # TODO future compatibility hack
		2425	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2426	? ()
2093	? normalise $_	2427	: normalise $_
2094	: ()
2095	} @{ aio_readdir $UNIQUEDIR or [] }	2428	} @{ aio_readdir $UNIQUEDIR or [] }
2096	]	2429	]
2097	}	2430	}
2098		2431
2099	package cf;	2432	=item cf::map::static_maps
		2433
		2434	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2435	file in the shared directory excluding F</styles> and F</editor>). May
		2436	block.
		2437
		2438	=cut
		2439
		2440	sub static_maps() {
		2441	my @dirs = "";
		2442	my @maps;
		2443
		2444	while (@dirs) {
		2445	my $dir = shift @dirs;
		2446
		2447	next if $dir eq "/styles" || $dir eq "/editor";
		2448
		2449	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2450	or return;
		2451
		2452	for (@$files) {
		2453	s/\.map$// or next;
		2454	utf8::decode $_;
		2455	push @maps, "$dir/$_";
		2456	}
		2457
		2458	push @dirs, map "$dir/$_", @$dirs;
		2459	}
		2460
		2461	\@maps
		2462	}
2100		2463
2101	=back	2464	=back
2102		2465
2103	=head3 cf::object	2466	=head3 cf::object
2104		2467
…		…
2108		2471
2109	=over 4	2472	=over 4
2110		2473
2111	=item $ob->inv_recursive	2474	=item $ob->inv_recursive
2112		2475
2113	Returns the inventory of the object _and_ their inventories, recursively.	2476	Returns the inventory of the object I<and> their inventories, recursively,
		2477	but I<not> the object itself.
2114		2478
2115	=cut	2479	=cut
2116		2480
2117	sub inv_recursive_;	2481	sub inv_recursive_;
2118	sub inv_recursive_ {	2482	sub inv_recursive_ {
…		…
2121		2485
2122	sub inv_recursive {	2486	sub inv_recursive {
2123	inv_recursive_ inv $_[0]	2487	inv_recursive_ inv $_[0]
2124	}	2488	}
2125		2489
		2490	=item $ref = $ob->ref
		2491
		2492	Creates and returns a persistent reference to an object that can be stored as a string.
		2493
		2494	=item $ob = cf::object::deref ($refstring)
		2495
		2496	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2497	even if the object actually exists. May block.
		2498
		2499	=cut
		2500
		2501	sub deref {
		2502	my ($ref) = @_;
		2503
		2504	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2505	my ($uuid, $name) = ($1, $2);
		2506	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2507	or return;
		2508	$pl->ob->uuid eq $uuid
		2509	or return;
		2510
		2511	$pl->ob
		2512	} else {
		2513	warn "$ref: cannot resolve object reference\n";
		2514	undef
		2515	}
		2516	}
		2517
2126	package cf;	2518	package cf;
2127		2519
2128	=back	2520	=back
2129		2521
2130	=head3 cf::object::player	2522	=head3 cf::object::player
…		…
2136	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2528	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2137	can be C<undef>. Does the right thing when the player is currently in a	2529	can be C<undef>. Does the right thing when the player is currently in a
2138	dialogue with the given NPC character.	2530	dialogue with the given NPC character.
2139		2531
2140	=cut	2532	=cut
		2533
		2534	our $SAY_CHANNEL = {
		2535	id => "say",
		2536	title => "Map",
		2537	reply => "say ",
		2538	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2539	};
		2540
		2541	our $CHAT_CHANNEL = {
		2542	id => "chat",
		2543	title => "Chat",
		2544	reply => "chat ",
		2545	tooltip => "Player chat and shouts, global to the server.",
		2546	};
2141		2547
2142	# rough implementation of a future "reply" method that works	2548	# rough implementation of a future "reply" method that works
2143	# with dialog boxes.	2549	# with dialog boxes.
2144	#TODO: the first argument must go, split into a $npc->reply_to ( method	2550	#TODO: the first argument must go, split into a $npc->reply_to ( method
2145	sub cf::object::player::reply($$$;$) {	2551	sub cf::object::player::reply($$$;$) {
…		…
2152		2558
2153	} else {	2559	} else {
2154	my $pl = $self->contr;	2560	my $pl = $self->contr;
2155		2561
2156	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2562	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2157	my $diag = $pl->{npc_dialog};	2563	my $dialog = $pl->{npc_dialog};
2158	$diag->{pl}->ext_reply (	2564	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2159	$diag->{id},
2160	msgtype => "reply",
2161	msg => $diag->{pl}->expand_cfpod ($msg),
2162	add_topics => []
2163	);
2164		2565
2165	} else {	2566	} else {
2166	$msg = $npc->name . " says: $msg" if $npc;	2567	$msg = $npc->name . " says: $msg" if $npc;
2167	$self->message ($msg, $flags);	2568	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2168	}	2569	}
2169	}	2570	}
		2571	}
		2572
		2573	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2574
		2575	=cut
		2576
		2577	sub cf::object::send_msg {
		2578	my $pl = shift->contr
		2579	or return;
		2580	$pl->send_msg (@_);
2170	}	2581	}
2171		2582
2172	=item $player_object->may ("access")	2583	=item $player_object->may ("access")
2173		2584
2174	Returns wether the given player is authorized to access resource "access"	2585	Returns wether the given player is authorized to access resource "access"
…		…
2187		2598
2188	=item $player_object->enter_link	2599	=item $player_object->enter_link
2189		2600
2190	Freezes the player and moves him/her to a special map (C<{link}>).	2601	Freezes the player and moves him/her to a special map (C<{link}>).
2191		2602
2192	The player should be reasonably safe there for short amounts of time. You	2603	The player should be reasonably safe there for short amounts of time (e.g.
2193	I<MUST> call C<leave_link> as soon as possible, though.	2604	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2605	though, as the player cannot control the character while it is on the link
		2606	map.
2194		2607
2195	Will never block.	2608	Will never block.
2196		2609
2197	=item $player_object->leave_link ($map, $x, $y)	2610	=item $player_object->leave_link ($map, $x, $y)
2198		2611
…		…
2218	sub cf::object::player::enter_link {	2631	sub cf::object::player::enter_link {
2219	my ($self) = @_;	2632	my ($self) = @_;
2220		2633
2221	$self->deactivate_recursive;	2634	$self->deactivate_recursive;
2222		2635
		2636	++$self->{_link_recursion};
		2637
2223	return if UNIVERSAL::isa $self->map, "ext::map_link";	2638	return if UNIVERSAL::isa $self->map, "ext::map_link";
2224		2639
2225	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2640	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2226	if $self->map && $self->map->{path} ne "{link}";	2641	if $self->map && $self->map->{path} ne "{link}";
2227		2642
2228	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2643	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2229	}	2644	}
2230		2645
2231	sub cf::object::player::leave_link {	2646	sub cf::object::player::leave_link {
2232	my ($self, $map, $x, $y) = @_;	2647	my ($self, $map, $x, $y) = @_;
2233		2648
…		…
2250	($x, $y) = (-1, -1)	2665	($x, $y) = (-1, -1)
2251	unless (defined $x) && (defined $y);	2666	unless (defined $x) && (defined $y);
2252		2667
2253	# use -1 or undef as default coordinates, not 0, 0	2668	# use -1 or undef as default coordinates, not 0, 0
2254	($x, $y) = ($map->enter_x, $map->enter_y)	2669	($x, $y) = ($map->enter_x, $map->enter_y)
2255	if $x <=0 && $y <= 0;	2670	if $x <= 0 && $y <= 0;
2256		2671
2257	$map->load;	2672	$map->load;
2258	$map->load_diag;	2673	$map->load_neighbours;
2259		2674
2260	return unless $self->contr->active;	2675	return unless $self->contr->active;
2261	$self->activate_recursive;
2262		2676
2263	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2677	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2264	$self->enter_map ($map, $x, $y);	2678	if ($self->enter_map ($map, $x, $y)) {
2265	}	2679	# entering was successful
		2680	delete $self->{_link_recursion};
		2681	# only activate afterwards, to support waiting in hooks
		2682	$self->activate_recursive;
		2683	}
2266		2684
		2685	}
		2686
2267	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2687	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2268		2688
2269	Moves the player to the given map-path and coordinates by first freezing	2689	Moves the player to the given map-path and coordinates by first freezing
2270	her, loading and preparing them map, calling the provided $check callback	2690	her, loading and preparing them map, calling the provided $check callback
2271	that has to return the map if sucecssful, and then unfreezes the player on	2691	that has to return the map if sucecssful, and then unfreezes the player on
2272	the new (success) or old (failed) map position. In either case, $done will	2692	the new (success) or old (failed) map position. In either case, $done will
2273	be called at the end of this process.	2693	be called at the end of this process.
2274		2694
		2695	Note that $check will be called with a potentially non-loaded map, so if
		2696	it needs a loaded map it has to call C<< ->load >>.
		2697
2275	=cut	2698	=cut
2276		2699
2277	our $GOTOGEN;	2700	our $GOTOGEN;
2278		2701
2279	sub cf::object::player::goto {	2702	sub cf::object::player::goto {
2280	my ($self, $path, $x, $y, $check, $done) = @_;	2703	my ($self, $path, $x, $y, $check, $done) = @_;
2281		2704
		2705	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2706	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2707	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2708	($path, $x, $y) = @$EMERGENCY_POSITION;
		2709	}
		2710
2282	# do generation counting so two concurrent goto's will be executed in-order	2711	# do generation counting so two concurrent goto's will be executed in-order
2283	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2712	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2284		2713
2285	$self->enter_link;	2714	$self->enter_link;
2286		2715
2287	(async {	2716	(async {
		2717	$Coro::current->{desc} = "player::goto $path $x $y";
		2718
		2719	# *tag paths override both path and x|y
		2720	if ($path =~ /^\*(.*)$/) {
		2721	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2722	my $ob = $obs[rand @obs];
		2723
		2724	# see if we actually can go there
		2725	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2726	$ob = $obs[rand @obs];
		2727	} else {
		2728	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2729	}
		2730	# else put us there anyways for now #d#
		2731
		2732	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2733	} else {
		2734	($path, $x, $y) = (undef, undef, undef);
		2735	}
		2736	}
		2737
2288	my $map = eval {	2738	my $map = eval {
2289	my $map = cf::map::find $path;	2739	my $map = defined $path ? cf::map::find $path : undef;
2290		2740
2291	if ($map) {	2741	if ($map) {
2292	$map = $map->customise_for ($self);	2742	$map = $map->customise_for ($self);
2293	$map = $check->($map) if $check && $map;	2743	$map = $check->($map, $x, $y, $self) if $check && $map;
2294	} else {	2744	} else {
2295	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2745	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2296	}	2746	}
2297		2747
2298	$map	2748	$map
2299	};	2749	};
2300		2750
…		…
2306	if ($gen == $self->{_goto_generation}) {	2756	if ($gen == $self->{_goto_generation}) {
2307	delete $self->{_goto_generation};	2757	delete $self->{_goto_generation};
2308	$self->leave_link ($map, $x, $y);	2758	$self->leave_link ($map, $x, $y);
2309	}	2759	}
2310		2760
2311	$done->() if $done;	2761	$done->($self) if $done;
2312	})->prio (1);	2762	})->prio (1);
2313	}	2763	}
2314		2764
2315	=item $player_object->enter_exit ($exit_object)	2765	=item $player_object->enter_exit ($exit_object)
2316		2766
…		…
2336	}	2786	}
2337		2787
2338	sub prepare_random_map {	2788	sub prepare_random_map {
2339	my ($exit) = @_;	2789	my ($exit) = @_;
2340		2790
2341	my $guard = cf::lock_acquire "exit_prepare:$exit";
2342
2343	# all this does is basically replace the /! path by	2791	# all this does is basically replace the /! path by
2344	# a new random map path (?random/...) with a seed	2792	# a new random map path (?random/...) with a seed
2345	# that depends on the exit object	2793	# that depends on the exit object
2346		2794
2347	my $rmp = parse_random_map_params $exit->msg;	2795	my $rmp = parse_random_map_params $exit->msg;
…		…
2349	if ($exit->map) {	2797	if ($exit->map) {
2350	$rmp->{region} = $exit->region->name;	2798	$rmp->{region} = $exit->region->name;
2351	$rmp->{origin_map} = $exit->map->path;	2799	$rmp->{origin_map} = $exit->map->path;
2352	$rmp->{origin_x} = $exit->x;	2800	$rmp->{origin_x} = $exit->x;
2353	$rmp->{origin_y} = $exit->y;	2801	$rmp->{origin_y} = $exit->y;
		2802
		2803	$exit->map->touch;
2354	}	2804	}
2355		2805
2356	$rmp->{random_seed} ||= $exit->random_seed;	2806	$rmp->{random_seed} ||= $exit->random_seed;
2357		2807
2358	my $data = cf::to_json $rmp;	2808	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2359	my $md5 = Digest::MD5::md5_hex $data;	2809	my $md5 = Digest::MD5::md5_hex $data;
2360	my $meta = "$RANDOMDIR/$md5.meta";	2810	my $meta = "$RANDOMDIR/$md5.meta";
2361		2811
2362	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2812	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2363	aio_write $fh, 0, (length $data), $data, 0;	2813	aio_write $fh, 0, (length $data), $data, 0;
2364	undef $fh;	2814	undef $fh;
2365	aio_rename "$meta~", $meta;	2815	aio_rename "$meta~", $meta;
2366		2816
		2817	my $slaying = "?random/$md5";
		2818
		2819	if ($exit->valid) {
2367	$exit->slaying ("?random/$md5");	2820	$exit->slaying ("?random/$md5");
2368	$exit->msg (undef);	2821	$exit->msg (undef);
		2822	}
2369	}	2823	}
2370	}	2824	}
2371		2825
2372	sub cf::object::player::enter_exit {	2826	sub cf::object::player::enter_exit {
2373	my ($self, $exit) = @_;	2827	my ($self, $exit) = @_;
2374		2828
2375	return unless $self->type == cf::PLAYER;	2829	return unless $self->type == cf::PLAYER;
2376		2830
2377	if ($exit->slaying eq "/!") {
2378	#TODO: this should de-fi-ni-te-ly not be a sync-job
2379	# the problem is that $exit might not survive long enough
2380	# so it needs to be done right now, right here
2381	cf::sync_job { prepare_random_map $exit };
2382	}
2383
2384	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2385	my $hp = $exit->stats->hp;
2386	my $sp = $exit->stats->sp;
2387
2388	$self->enter_link;	2831	$self->enter_link;
2389		2832
2390	# if exit is damned, update players death & WoR home-position
2391	$self->contr->savebed ($slaying, $hp, $sp)
2392	if $exit->flag (FLAG_DAMNED);
2393
2394	(async {	2833	(async {
2395	$self->deactivate_recursive; # just to be sure	2834	$Coro::current->{desc} = "enter_exit";
		2835
2396	unless (eval {	2836	unless (eval {
		2837	$self->deactivate_recursive; # just to be sure
		2838
		2839	# random map handling
		2840	{
		2841	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2842
		2843	prepare_random_map $exit
		2844	if $exit->slaying eq "/!";
		2845	}
		2846
		2847	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2848	my $x = $exit->stats->hp;
		2849	my $y = $exit->stats->sp;
		2850
2397	$self->goto ($slaying, $hp, $sp);	2851	$self->goto ($map, $x, $y);
2398		2852
		2853	# if exit is damned, update players death & WoR home-position
		2854	$self->contr->savebed ($map, $x, $y)
		2855	if $exit->flag (cf::FLAG_DAMNED);
		2856
2399	1;	2857	1
2400	}) {	2858	}) {
2401	$self->message ("Something went wrong deep within the crossfire server. "	2859	$self->message ("Something went wrong deep within the deliantra server. "
2402	. "I'll try to bring you back to the map you were before. "	2860	. "I'll try to bring you back to the map you were before. "
2403	. "Please report this to the dungeon master!",	2861	. "Please report this to the dungeon master!",
2404	cf::NDI_UNIQUE | cf::NDI_RED);	2862	cf::NDI_UNIQUE | cf::NDI_RED);
2405		2863
2406	warn "ERROR in enter_exit: $@";	2864	error "ERROR in enter_exit: $@";
2407	$self->leave_link;	2865	$self->leave_link;
2408	}	2866	}
2409	})->prio (1);	2867	})->prio (1);
2410	}	2868	}
2411		2869
…		…
2425		2883
2426	utf8::encode $text;	2884	utf8::encode $text;
2427	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2885	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2428	}	2886	}
2429		2887
		2888	=item $client->send_big_packet ($pkt)
		2889
		2890	Like C<send_packet>, but tries to compress large packets, and fragments
		2891	them as required.
		2892
		2893	=cut
		2894
		2895	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2896
		2897	sub cf::client::send_big_packet {
		2898	my ($self, $pkt) = @_;
		2899
		2900	# try lzf for large packets
		2901	$pkt = "lzf " . Compress::LZF::compress $pkt
		2902	if 1024 <= length $pkt and $self->{can_lzf};
		2903
		2904	# split very large packets
		2905	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2906	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2907	$pkt = "frag";
		2908	}
		2909
		2910	$self->send_packet ($pkt);
		2911	}
		2912
2430	=item $client->send_msg ($color, $type, $msg, [extra...])	2913	=item $client->send_msg ($channel, $msg, $color, [extra...])
2431		2914
2432	Send a drawinfo or msg packet to the client, formatting the msg for the	2915	Send a drawinfo or msg packet to the client, formatting the msg for the
2433	client if neccessary. C<$type> should be a string identifying the type of	2916	client if neccessary. C<$type> should be a string identifying the type of
2434	the message, with C<log> being the default. If C<$color> is negative, suppress	2917	the message, with C<log> being the default. If C<$color> is negative, suppress
2435	the message unless the client supports the msg packet.	2918	the message unless the client supports the msg packet.
2436		2919
2437	=cut	2920	=cut
2438		2921
		2922	# non-persistent channels (usually the info channel)
		2923	our %CHANNEL = (
		2924	"c/motd" => {
		2925	id => "infobox",
		2926	title => "MOTD",
		2927	reply => undef,
		2928	tooltip => "The message of the day",
		2929	},
		2930	"c/identify" => {
		2931	id => "infobox",
		2932	title => "Identify",
		2933	reply => undef,
		2934	tooltip => "Items recently identified",
		2935	},
		2936	"c/examine" => {
		2937	id => "infobox",
		2938	title => "Examine",
		2939	reply => undef,
		2940	tooltip => "Signs and other items you examined",
		2941	},
		2942	"c/shopinfo" => {
		2943	id => "infobox",
		2944	title => "Shop Info",
		2945	reply => undef,
		2946	tooltip => "What your bargaining skill tells you about the shop",
		2947	},
		2948	"c/book" => {
		2949	id => "infobox",
		2950	title => "Book",
		2951	reply => undef,
		2952	tooltip => "The contents of a note or book",
		2953	},
		2954	"c/lookat" => {
		2955	id => "infobox",
		2956	title => "Look",
		2957	reply => undef,
		2958	tooltip => "What you saw there",
		2959	},
		2960	"c/who" => {
		2961	id => "infobox",
		2962	title => "Players",
		2963	reply => undef,
		2964	tooltip => "Shows players who are currently online",
		2965	},
		2966	"c/body" => {
		2967	id => "infobox",
		2968	title => "Body Parts",
		2969	reply => undef,
		2970	tooltip => "Shows which body parts you posess and are available",
		2971	},
		2972	"c/statistics" => {
		2973	id => "infobox",
		2974	title => "Statistics",
		2975	reply => undef,
		2976	tooltip => "Shows your primary statistics",
		2977	},
		2978	"c/skills" => {
		2979	id => "infobox",
		2980	title => "Skills",
		2981	reply => undef,
		2982	tooltip => "Shows your experience per skill and item power",
		2983	},
		2984	"c/shopitems" => {
		2985	id => "infobox",
		2986	title => "Shop Items",
		2987	reply => undef,
		2988	tooltip => "Shows the items currently for sale in this shop",
		2989	},
		2990	"c/resistances" => {
		2991	id => "infobox",
		2992	title => "Resistances",
		2993	reply => undef,
		2994	tooltip => "Shows your resistances",
		2995	},
		2996	"c/pets" => {
		2997	id => "infobox",
		2998	title => "Pets",
		2999	reply => undef,
		3000	tooltip => "Shows information abotu your pets/a specific pet",
		3001	},
		3002	"c/perceiveself" => {
		3003	id => "infobox",
		3004	title => "Perceive Self",
		3005	reply => undef,
		3006	tooltip => "You gained detailed knowledge about yourself",
		3007	},
		3008	"c/uptime" => {
		3009	id => "infobox",
		3010	title => "Uptime",
		3011	reply => undef,
		3012	tooltip => "How long the server has been running since last restart",
		3013	},
		3014	"c/mapinfo" => {
		3015	id => "infobox",
		3016	title => "Map Info",
		3017	reply => undef,
		3018	tooltip => "Information related to the maps",
		3019	},
		3020	"c/party" => {
		3021	id => "party",
		3022	title => "Party",
		3023	reply => "gsay ",
		3024	tooltip => "Messages and chat related to your party",
		3025	},
		3026	"c/death" => {
		3027	id => "death",
		3028	title => "Death",
		3029	reply => undef,
		3030	tooltip => "Reason for and more info about your most recent death",
		3031	},
		3032	"c/say" => $SAY_CHANNEL,
		3033	"c/chat" => $CHAT_CHANNEL,
		3034	);
		3035
2439	sub cf::client::send_msg {	3036	sub cf::client::send_msg {
2440	my ($self, $color, $type, $msg, @extra) = @_;	3037	my ($self, $channel, $msg, $color, @extra) = @_;
2441		3038
2442	$msg = $self->pl->expand_cfpod ($msg);	3039	$msg = $self->pl->expand_cfpod ($msg)
		3040	unless $color & cf::NDI_VERBATIM;
		3041
		3042	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3043
		3044	# check predefined channels, for the benefit of C
		3045	if ($CHANNEL{$channel}) {
		3046	$channel = $CHANNEL{$channel};
		3047
		3048	$self->ext_msg (channel_info => $channel);
		3049	$channel = $channel->{id};
		3050
		3051	} elsif (ref $channel) {
		3052	# send meta info to client, if not yet sent
		3053	unless (exists $self->{channel}{$channel->{id}}) {
		3054	$self->{channel}{$channel->{id}} = $channel;
		3055	$self->ext_msg (channel_info => $channel);
		3056	}
		3057
		3058	$channel = $channel->{id};
		3059	}
2443		3060
2444	return unless @extra || length $msg;	3061	return unless @extra || length $msg;
2445		3062
2446	if ($self->can_msg) {	3063	# default colour, mask it out
2447	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	3064	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2448	} else {	3065	if $color & cf::NDI_DEF;
2449	# replace some tags by gcfclient-compatible ones
2450	for ($msg) {
2451	1 while
2452	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2453	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2454	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2455	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2456	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2457	}
2458		3066
2459	if ($color >= 0) {	3067	my $pkt = "msg "
2460	if (0 && $msg =~ /\[/) {	3068	. $self->{json_coder}->encode (
2461	$self->send_packet ("drawextinfo $color 4 0 $msg")	3069	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2462	} else {	3070	);
2463	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2464	$self->send_packet ("drawinfo $color $msg")
2465	}
2466	}
2467	}
2468	}
2469		3071
		3072	$self->send_big_packet ($pkt);
		3073	}
		3074
2470	=item $client->ext_event ($type, %msg)	3075	=item $client->ext_msg ($type, @msg)
2471		3076
2472	Sends an ext event to the client.	3077	Sends an ext event to the client.
2473		3078
2474	=cut	3079	=cut
2475		3080
2476	sub cf::client::ext_event($$%) {	3081	sub cf::client::ext_msg($$@) {
2477	my ($self, $type, %msg) = @_;	3082	my ($self, $type, @msg) = @_;
2478		3083
2479	return unless $self->extcmd;	3084	if ($self->extcmd == 2) {
2480		3085	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3086	} elsif ($self->extcmd == 1) { # TODO: remove
2481	$msg{msgtype} = "event_$type";	3087	push @msg, msgtype => "event_$type";
2482	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3088	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3089	}
		3090	}
		3091
		3092	=item $client->ext_reply ($msgid, @msg)
		3093
		3094	Sends an ext reply to the client.
		3095
		3096	=cut
		3097
		3098	sub cf::client::ext_reply($$@) {
		3099	my ($self, $id, @msg) = @_;
		3100
		3101	if ($self->extcmd == 2) {
		3102	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3103	} elsif ($self->extcmd == 1) {
		3104	#TODO: version 1, remove
		3105	unshift @msg, msgtype => "reply", msgid => $id;
		3106	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3107	}
2483	}	3108	}
2484		3109
2485	=item $success = $client->query ($flags, "text", \&cb)	3110	=item $success = $client->query ($flags, "text", \&cb)
2486		3111
2487	Queues a query to the client, calling the given callback with	3112	Queues a query to the client, calling the given callback with
…		…
2542	my ($ns, $buf) = @_;	3167	my ($ns, $buf) = @_;
2543		3168
2544	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3169	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2545		3170
2546	if (ref $msg) {	3171	if (ref $msg) {
		3172	my ($type, $reply, @payload) =
		3173	"ARRAY" eq ref $msg
		3174	? @$msg
		3175	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3176
		3177	my @reply;
		3178
2547	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3179	if (my $cb = $EXTICMD{$type}) {
2548	if (my %reply = $cb->($ns, $msg)) {	3180	@reply = $cb->($ns, @payload);
2549	$reply{msgid} = $msg->{msgid};
2550	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2551	}
2552	}	3181	}
		3182
		3183	$ns->ext_reply ($reply, @reply)
		3184	if $reply;
		3185
2553	} else {	3186	} else {
2554	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3187	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2555	}	3188	}
2556		3189
2557	cf::override;	3190	cf::override;
2558	},	3191	},
2559	);	3192	);
…		…
2579		3212
2580	$coro	3213	$coro
2581	}	3214	}
2582		3215
2583	cf::client->attach (	3216	cf::client->attach (
2584	on_destroy => sub {	3217	on_client_destroy => sub {
2585	my ($ns) = @_;	3218	my ($ns) = @_;
2586		3219
2587	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3220	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2588	},	3221	},
2589	);	3222	);
…		…
2604	our $safe = new Safe "safe";	3237	our $safe = new Safe "safe";
2605	our $safe_hole = new Safe::Hole;	3238	our $safe_hole = new Safe::Hole;
2606		3239
2607	$SIG{FPE} = 'IGNORE';	3240	$SIG{FPE} = 'IGNORE';
2608		3241
2609	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3242	$safe->permit_only (Opcode::opset qw(
		3243	:base_core :base_mem :base_orig :base_math :base_loop
		3244	grepstart grepwhile mapstart mapwhile
		3245	sort time
		3246	));
2610		3247
2611	# here we export the classes and methods available to script code	3248	# here we export the classes and methods available to script code
2612		3249
2613	=pod	3250	=pod
2614		3251
2615	The following functions and methods are available within a safe environment:	3252	The following functions and methods are available within a safe environment:
2616		3253
2617	cf::object	3254	cf::object
2618	contr pay_amount pay_player map x y force_find force_add	3255	contr pay_amount pay_player map x y force_find force_add destroy
2619	insert remove	3256	insert remove name archname title slaying race decrease split
		3257	value
2620		3258
2621	cf::object::player	3259	cf::object::player
2622	player	3260	player
2623		3261
2624	cf::player	3262	cf::player
…		…
2629		3267
2630	=cut	3268	=cut
2631		3269
2632	for (	3270	for (
2633	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3271	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2634	insert remove)],	3272	insert remove inv nrof name archname title slaying race
		3273	decrease split destroy change_exp value msg lore send_msg)],
2635	["cf::object::player" => qw(player)],	3274	["cf::object::player" => qw(player)],
2636	["cf::player" => qw(peaceful)],	3275	["cf::player" => qw(peaceful send_msg)],
2637	["cf::map" => qw(trigger)],	3276	["cf::map" => qw(trigger)],
2638	) {	3277	) {
2639	no strict 'refs';	3278	no strict 'refs';
2640	my ($pkg, @funs) = @$_;	3279	my ($pkg, @funs) = @$_;
2641	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3280	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2659		3298
2660	my $qcode = $code;	3299	my $qcode = $code;
2661	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3300	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2662	$qcode =~ s/\n/\\n/g;	3301	$qcode =~ s/\n/\\n/g;
2663		3302
		3303	%vars = (_dummy => 0) unless %vars;
		3304
		3305	my @res;
2664	local $_;	3306	local $_;
2665	local @safe::cf::_safe_eval_args = values %vars;
2666		3307
2667	my $eval =	3308	my $eval =
2668	"do {\n"	3309	"do {\n"
2669	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3310	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2670	. "#line 0 \"{$qcode}\"\n"	3311	. "#line 0 \"{$qcode}\"\n"
2671	. $code	3312	. $code
2672	. "\n}"	3313	. "\n}"
2673	;	3314	;
2674		3315
		3316	if ($CFG{safe_eval}) {
2675	sub_generation_inc;	3317	sub_generation_inc;
		3318	local @safe::cf::_safe_eval_args = values %vars;
2676	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3319	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2677	sub_generation_inc;	3320	sub_generation_inc;
		3321	} else {
		3322	local @cf::_safe_eval_args = values %vars;
		3323	@res = wantarray ? eval eval : scalar eval $eval;
		3324	}
2678		3325
2679	if ($@) {	3326	if ($@) {
2680	warn "$@";	3327	warn "$@",
2681	warn "while executing safe code '$code'\n";	3328	"while executing safe code '$code'\n",
2682	warn "with arguments " . (join " ", %vars) . "\n";	3329	"with arguments " . (join " ", %vars) . "\n";
2683	}	3330	}
2684		3331
2685	wantarray ? @res : $res[0]	3332	wantarray ? @res : $res[0]
2686	}	3333	}
2687		3334
…		…
2701	=cut	3348	=cut
2702		3349
2703	sub register_script_function {	3350	sub register_script_function {
2704	my ($fun, $cb) = @_;	3351	my ($fun, $cb) = @_;
2705		3352
2706	no strict 'refs';	3353	$fun = "safe::$fun" if $CFG{safe_eval};
2707	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3354	*$fun = $safe_hole->wrap ($cb);
2708	}	3355	}
2709		3356
2710	=back	3357	=back
2711		3358
2712	=cut	3359	=cut
…		…
2715	# the server's init and main functions	3362	# the server's init and main functions
2716		3363
2717	sub load_facedata($) {	3364	sub load_facedata($) {
2718	my ($path) = @_;	3365	my ($path) = @_;
2719		3366
		3367	# HACK to clear player env face cache, we need some signal framework
		3368	# for this (global event?)
		3369	%ext::player_env::MUSIC_FACE_CACHE = ();
		3370
		3371	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3372
2720	warn "loading facedata from $path\n";	3373	trace "loading facedata from $path\n";
2721		3374
2722	my $facedata;	3375	my $facedata;
2723	0 < aio_load $path, $facedata	3376	0 < aio_load $path, $facedata
2724	or die "$path: $!";	3377	or die "$path: $!";
2725		3378
2726	$facedata = Coro::Storable::thaw $facedata;	3379	$facedata = Coro::Storable::thaw $facedata;
2727		3380
2728	$facedata->{version} == 2	3381	$facedata->{version} == 2
2729	or cf::cleanup "$path: version mismatch, cannot proceed.";	3382	or cf::cleanup "$path: version mismatch, cannot proceed.";
2730		3383
		3384	# patch in the exptable
		3385	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3386	$facedata->{resource}{"res/exp_table"} = {
		3387	type => FT_RSRC,
		3388	data => $exp_table,
		3389	hash => (Digest::MD5::md5 $exp_table),
		3390	};
		3391	cf::cede_to_tick;
		3392
2731	{	3393	{
2732	my $faces = $facedata->{faceinfo};	3394	my $faces = $facedata->{faceinfo};
2733		3395
2734	while (my ($face, $info) = each %$faces) {	3396	while (my ($face, $info) = each %$faces) {
2735	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3397	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3398
2736	cf::face::set_visibility $idx, $info->{visibility};	3399	cf::face::set_visibility $idx, $info->{visibility};
2737	cf::face::set_magicmap $idx, $info->{magicmap};	3400	cf::face::set_magicmap $idx, $info->{magicmap};
2738	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3401	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2739	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3402	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2740		3403
2741	cf::cede_to_tick;	3404	cf::cede_to_tick;
2742	}	3405	}
2743		3406
2744	while (my ($face, $info) = each %$faces) {	3407	while (my ($face, $info) = each %$faces) {
2745	next unless $info->{smooth};	3408	next unless $info->{smooth};
		3409
2746	my $idx = cf::face::find $face	3410	my $idx = cf::face::find $face
2747	or next;	3411	or next;
		3412
2748	if (my $smooth = cf::face::find $info->{smooth}) {	3413	if (my $smooth = cf::face::find $info->{smooth}) {
2749	cf::face::set_smooth $idx, $smooth;	3414	cf::face::set_smooth $idx, $smooth;
2750	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3415	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2751	} else {	3416	} else {
2752	warn "smooth face '$info->{smooth}' not found for face '$face'";	3417	error "smooth face '$info->{smooth}' not found for face '$face'";
2753	}	3418	}
2754		3419
2755	cf::cede_to_tick;	3420	cf::cede_to_tick;
2756	}	3421	}
2757	}	3422	}
…		…
2766		3431
2767	cf::anim::invalidate_all; # d'oh	3432	cf::anim::invalidate_all; # d'oh
2768	}	3433	}
2769		3434
2770	{	3435	{
2771	# TODO: for gcfclient pleasure, we should give resources
2772	# that gcfclient doesn't grok a >10000 face index.
2773	my $res = $facedata->{resource};	3436	my $res = $facedata->{resource};
2774	my $enc = JSON::XS->new->utf8->canonical;
2775		3437
2776	while (my ($name, $info) = each %$res) {	3438	while (my ($name, $info) = each %$res) {
2777	my $meta = $enc->encode ({	3439	if (defined $info->{type}) {
2778	name => $name,
2779	type => $info->{type},
2780	copyright => $info->{copyright}, #TODO#
2781	});
2782
2783	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3440	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2784		3441
2785	if ($name =~ /\.jpg$/) {
2786	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack	3442	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
2787	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack	3443	cf::face::set_type $idx, $info->{type};
2788	} else {	3444	} else {
2789	my $data = pack "(w/a*)*", $meta, $info->{data};	3445	$RESOURCE{$name} = $info; # unused
2790	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2791
2792	cf::face::set_type $idx, 1;
2793	cf::face::set_data $idx, 0, $data, $chk;
2794	}	3446	}
2795		3447
2796	cf::cede_to_tick;	3448	cf::cede_to_tick;
2797	}	3449	}
2798	}	3450	}
2799		3451
		3452	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3453
2800	1	3454	1
2801	}	3455	}
2802		3456
		3457	register_exticmd fx_want => sub {
		3458	my ($ns, $want) = @_;
		3459
		3460	while (my ($k, $v) = each %$want) {
		3461	$ns->fx_want ($k, $v);
		3462	}
		3463	};
		3464
		3465	sub load_resource_file($) {
		3466	my $guard = lock_acquire "load_resource_file";
		3467
		3468	my $status = load_resource_file_ $_[0];
		3469	get_slot 0.1, 100;
		3470	cf::arch::commit_load;
		3471
		3472	$status
		3473	}
		3474
2803	sub reload_regions {	3475	sub reload_regions {
		3476	# HACK to clear player env face cache, we need some signal framework
		3477	# for this (global event?)
		3478	%ext::player_env::MUSIC_FACE_CACHE = ();
		3479
2804	load_resource_file "$MAPDIR/regions"	3480	load_resource_file "$MAPDIR/regions"
2805	or die "unable to load regions file\n";	3481	or die "unable to load regions file\n";
2806		3482
2807	for (cf::region::list) {	3483	for (cf::region::list) {
2808	$_->{match} = qr/$_->{match}/	3484	$_->{match} = qr/$_->{match}/
…		…
2816	}	3492	}
2817		3493
2818	sub reload_archetypes {	3494	sub reload_archetypes {
2819	load_resource_file "$DATADIR/archetypes"	3495	load_resource_file "$DATADIR/archetypes"
2820	or die "unable to load archetypes\n";	3496	or die "unable to load archetypes\n";
2821	#d# NEED to laod twice to resolve forward references
2822	# this really needs to be done in an extra post-pass
2823	# (which needs to be synchronous, so solve it differently)
2824	load_resource_file "$DATADIR/archetypes"
2825	or die "unable to load archetypes\n";
2826	}	3497	}
2827		3498
2828	sub reload_treasures {	3499	sub reload_treasures {
2829	load_resource_file "$DATADIR/treasures"	3500	load_resource_file "$DATADIR/treasures"
2830	or die "unable to load treasurelists\n";	3501	or die "unable to load treasurelists\n";
2831	}	3502	}
2832		3503
		3504	sub reload_sound {
		3505	trace "loading sound config from $DATADIR/sound\n";
		3506
		3507	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3508	or die "$DATADIR/sound $!";
		3509
		3510	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3511
		3512	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3513	my $sound = $soundconf->{compat}[$_]
		3514	or next;
		3515
		3516	my $face = cf::face::find "sound/$sound->[1]";
		3517	cf::sound::set $sound->[0] => $face;
		3518	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3519	}
		3520
		3521	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3522	my $face = cf::face::find "sound/$v";
		3523	cf::sound::set $k => $face;
		3524	}
		3525	}
		3526
2833	sub reload_resources {	3527	sub reload_resources {
2834	warn "reloading resource files...\n";	3528	trace "reloading resource files...\n";
2835		3529
		3530	reload_facedata;
		3531	reload_sound;
		3532	reload_archetypes;
2836	reload_regions;	3533	reload_regions;
2837	reload_facedata;
2838	#reload_archetypes;#d#
2839	reload_archetypes;
2840	reload_treasures;	3534	reload_treasures;
2841		3535
2842	warn "finished reloading resource files\n";	3536	trace "finished reloading resource files\n";
2843	}	3537	}
2844		3538
2845	sub init {	3539	sub reload_config {
2846	reload_resources;	3540	trace "reloading config file...\n";
2847	}
2848		3541
2849	sub cfg_load {
2850	open my $fh, "<:utf8", "$CONFDIR/config"	3542	open my $fh, "<:utf8", "$CONFDIR/config"
2851	or return;	3543	or return;
2852		3544
2853	local $/;	3545	local $/;
2854	*CFG = YAML::Syck::Load <$fh>;	3546	*CFG = YAML::XS::Load scalar <$fh>;
2855		3547
2856	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3548	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2857		3549
2858	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3550	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2859	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3551	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2860		3552
2861	if (exists $CFG{mlockall}) {	3553	if (exists $CFG{mlockall}) {
…		…
2863	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3555	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2864	and die "WARNING: m(un)lockall failed: $!\n";	3556	and die "WARNING: m(un)lockall failed: $!\n";
2865	};	3557	};
2866	warn $@ if $@;	3558	warn $@ if $@;
2867	}	3559	}
		3560
		3561	trace "finished reloading resource files\n";
		3562	}
		3563
		3564	sub pidfile() {
		3565	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3566	or die "$PIDFILE: $!";
		3567	flock $fh, &Fcntl::LOCK_EX
		3568	or die "$PIDFILE: flock: $!";
		3569	$fh
		3570	}
		3571
		3572	# make sure only one server instance is running at any one time
		3573	sub atomic {
		3574	my $fh = pidfile;
		3575
		3576	my $pid = <$fh>;
		3577	kill 9, $pid if $pid > 0;
		3578
		3579	seek $fh, 0, 0;
		3580	print $fh $$;
		3581	}
		3582
		3583	sub main_loop {
		3584	trace "EV::loop starting\n";
		3585	if (1) {
		3586	EV::loop;
		3587	}
		3588	trace "EV::loop returned\n";
		3589	goto &main_loop unless $REALLY_UNLOOP;
2868	}	3590	}
2869		3591
2870	sub main {	3592	sub main {
		3593	cf::init_globals; # initialise logging
		3594
		3595	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3596	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3597	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3598	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3599
		3600	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3601
2871	# we must not ever block the main coroutine	3602	# we must not ever block the main coroutine
2872	local $Coro::idle = sub {	3603	local $Coro::idle = sub {
2873	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3604	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2874	(async {	3605	(async {
2875	Event::one_event;	3606	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3607	EV::loop EV::LOOP_ONESHOT;
2876	})->prio (Coro::PRIO_MAX);	3608	})->prio (Coro::PRIO_MAX);
2877	};	3609	};
2878		3610
2879	cfg_load;	3611	evthread_start IO::AIO::poll_fileno;
		3612
		3613	cf::sync_job {
		3614	cf::init_experience;
		3615	cf::init_anim;
		3616	cf::init_attackmess;
		3617	cf::init_dynamic;
		3618
		3619	cf::load_settings;
		3620	cf::load_materials;
		3621
		3622	reload_resources;
		3623	reload_config;
2880	db_init;	3624	db_init;
		3625
		3626	cf::init_uuid;
		3627	cf::init_signals;
		3628	cf::init_skills;
		3629
		3630	cf::init_beforeplay;
		3631
		3632	atomic;
		3633
2881	load_extensions;	3634	load_extensions;
2882		3635
2883	$TICK_WATCHER->start;	3636	utime time, time, $RUNTIMEFILE;
2884	Event::loop;	3637
		3638	# no (long-running) fork's whatsoever before this point(!)
		3639	use POSIX ();
		3640	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3641
		3642	(pop @POST_INIT)->(0) while @POST_INIT;
		3643	};
		3644
		3645	cf::object::thawer::errors_are_fatal 0;
		3646	info "parse errors in files are no longer fatal from this point on.\n";
		3647
		3648	main_loop;
2885	}	3649	}
2886		3650
2887	#############################################################################	3651	#############################################################################
2888	# initialisation and cleanup	3652	# initialisation and cleanup
2889		3653
2890	# install some emergency cleanup handlers	3654	# install some emergency cleanup handlers
2891	BEGIN {	3655	BEGIN {
		3656	our %SIGWATCHER = ();
2892	for my $signal (qw(INT HUP TERM)) {	3657	for my $signal (qw(INT HUP TERM)) {
2893	Event->signal (	3658	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2894	reentrant => 0,
2895	data => WF_AUTOCANCEL,
2896	signal => $signal,
2897	prio => 0,
2898	cb => sub {
2899	cf::cleanup "SIG$signal";	3659	cf::cleanup "SIG$signal";
2900	},
2901	);	3660	};
2902	}	3661	}
2903	}	3662	}
2904		3663
2905	sub write_runtime {	3664	sub write_runtime_sync {
2906	my $runtime = "$LOCALDIR/runtime";	3665	my $t0 = AE::time;
2907		3666
2908	# first touch the runtime file to show we are still running:	3667	# first touch the runtime file to show we are still running:
2909	# the fsync below can take a very very long time.	3668	# the fsync below can take a very very long time.
2910		3669
2911	IO::AIO::aio_utime $runtime, undef, undef;	3670	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2912		3671
2913	my $guard = cf::lock_acquire "write_runtime";	3672	my $guard = cf::lock_acquire "write_runtime";
2914		3673
2915	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3674	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2916	or return;	3675	or return;
2917		3676
2918	my $value = $cf::RUNTIME + 90 + 10;	3677	my $value = $cf::RUNTIME + 90 + 10;
2919	# 10 is the runtime save interval, for a monotonic clock	3678	# 10 is the runtime save interval, for a monotonic clock
2920	# 60 allows for the watchdog to kill the server.	3679	# 60 allows for the watchdog to kill the server.
…		…
2930	aio_utime $fh, undef, undef;	3689	aio_utime $fh, undef, undef;
2931		3690
2932	close $fh	3691	close $fh
2933	or return;	3692	or return;
2934		3693
2935	aio_rename "$runtime~", $runtime	3694	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2936	and return;	3695	and return;
2937		3696
2938	warn "runtime file written.\n";	3697	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2939		3698
2940	1	3699	1
		3700	}
		3701
		3702	our $uuid_lock;
		3703	our $uuid_skip;
		3704
		3705	sub write_uuid_sync($) {
		3706	$uuid_skip ||= $_[0];
		3707
		3708	return if $uuid_lock;
		3709	local $uuid_lock = 1;
		3710
		3711	my $uuid = "$LOCALDIR/uuid";
		3712
		3713	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3714	or return;
		3715
		3716	my $value = uuid_seq uuid_cur;
		3717
		3718	unless ($value) {
		3719	info "cowardly refusing to write zero uuid value!\n";
		3720	return;
		3721	}
		3722
		3723	my $value = uuid_str $value + $uuid_skip;
		3724	$uuid_skip = 0;
		3725
		3726	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3727	and return;
		3728
		3729	# always fsync - this file is important
		3730	aio_fsync $fh
		3731	and return;
		3732
		3733	close $fh
		3734	or return;
		3735
		3736	aio_rename "$uuid~", $uuid
		3737	and return;
		3738
		3739	trace "uuid file written ($value).\n";
		3740
		3741	1
		3742
		3743	}
		3744
		3745	sub write_uuid($$) {
		3746	my ($skip, $sync) = @_;
		3747
		3748	$sync ? write_uuid_sync $skip
		3749	: async { write_uuid_sync $skip };
2941	}	3750	}
2942		3751
2943	sub emergency_save() {	3752	sub emergency_save() {
2944	my $freeze_guard = cf::freeze_mainloop;	3753	my $freeze_guard = cf::freeze_mainloop;
2945		3754
2946	warn "enter emergency perl save\n";	3755	info "emergency_perl_save: enter\n";
		3756
		3757	# this is a trade-off: we want to be very quick here, so
		3758	# save all maps without fsync, and later call a global sync
		3759	# (which in turn might be very very slow)
		3760	local $USE_FSYNC = 0;
2947		3761
2948	cf::sync_job {	3762	cf::sync_job {
		3763	cf::write_runtime_sync; # external watchdog should not bark
		3764
2949	# use a peculiar iteration method to avoid tripping on perl	3765	# use a peculiar iteration method to avoid tripping on perl
2950	# refcount bugs in for. also avoids problems with players	3766	# refcount bugs in for. also avoids problems with players
2951	# and maps saved/destroyed asynchronously.	3767	# and maps saved/destroyed asynchronously.
2952	warn "begin emergency player save\n";	3768	info "emergency_perl_save: begin player save\n";
2953	for my $login (keys %cf::PLAYER) {	3769	for my $login (keys %cf::PLAYER) {
2954	my $pl = $cf::PLAYER{$login} or next;	3770	my $pl = $cf::PLAYER{$login} or next;
2955	$pl->valid or next;	3771	$pl->valid or next;
		3772	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2956	$pl->save;	3773	$pl->save;
2957	}	3774	}
2958	warn "end emergency player save\n";	3775	info "emergency_perl_save: end player save\n";
2959		3776
2960	warn "begin emergency map save\n";	3777	cf::write_runtime_sync; # external watchdog should not bark
		3778
		3779	info "emergency_perl_save: begin map save\n";
2961	for my $path (keys %cf::MAP) {	3780	for my $path (keys %cf::MAP) {
2962	my $map = $cf::MAP{$path} or next;	3781	my $map = $cf::MAP{$path} or next;
2963	$map->valid or next;	3782	$map->valid or next;
2964	$map->save;	3783	$map->save;
2965	}	3784	}
2966	warn "end emergency map save\n";	3785	info "emergency_perl_save: end map save\n";
2967		3786
2968	warn "begin emergency database checkpoint\n";	3787	cf::write_runtime_sync; # external watchdog should not bark
		3788
		3789	info "emergency_perl_save: begin database checkpoint\n";
2969	BDB::db_env_txn_checkpoint $DB_ENV;	3790	BDB::db_env_txn_checkpoint $DB_ENV;
2970	warn "end emergency database checkpoint\n";	3791	info "emergency_perl_save: end database checkpoint\n";
		3792
		3793	info "emergency_perl_save: begin write uuid\n";
		3794	write_uuid_sync 1;
		3795	info "emergency_perl_save: end write uuid\n";
		3796
		3797	cf::write_runtime_sync; # external watchdog should not bark
		3798
		3799	trace "emergency_perl_save: syncing database to disk";
		3800	BDB::db_env_txn_checkpoint $DB_ENV;
		3801
		3802	info "emergency_perl_save: starting sync\n";
		3803	IO::AIO::aio_sync sub {
		3804	info "emergency_perl_save: finished sync\n";
		3805	};
		3806
		3807	cf::write_runtime_sync; # external watchdog should not bark
		3808
		3809	trace "emergency_perl_save: flushing outstanding aio requests";
		3810	while (IO::AIO::nreqs || BDB::nreqs) {
		3811	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3812	}
		3813
		3814	cf::write_runtime_sync; # external watchdog should not bark
2971	};	3815	};
2972		3816
2973	warn "leave emergency perl save\n";	3817	info "emergency_perl_save: leave\n";
2974	}	3818	}
2975		3819
2976	sub post_cleanup {	3820	sub post_cleanup {
2977	my ($make_core) = @_;	3821	my ($make_core) = @_;
2978		3822
		3823	IO::AIO::flush;
		3824
		3825	IO::AIO::flush;
		3826
2979	warn Carp::longmess "post_cleanup backtrace"	3827	error Carp::longmess "post_cleanup backtrace"
2980	if $make_core;	3828	if $make_core;
		3829
		3830	my $fh = pidfile;
		3831	unlink $PIDFILE if <$fh> == $$;
		3832	}
		3833
		3834	# a safer delete_package, copied from Symbol
		3835	sub clear_package($) {
		3836	my $pkg = shift;
		3837
		3838	# expand to full symbol table name if needed
		3839	unless ($pkg =~ /^main::.*::$/) {
		3840	$pkg = "main$pkg" if $pkg =~ /^::/;
		3841	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3842	$pkg .= '::' unless $pkg =~ /::$/;
		3843	}
		3844
		3845	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3846	my $stem_symtab = *{$stem}{HASH};
		3847
		3848	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3849	or return;
		3850
		3851	# clear all symbols
		3852	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3853	for my $name (keys %$leaf_symtab) {
		3854	_gv_clear *{"$pkg$name"};
		3855	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3856	}
2981	}	3857	}
2982		3858
2983	sub do_reload_perl() {	3859	sub do_reload_perl() {
2984	# can/must only be called in main	3860	# can/must only be called in main
2985	if ($Coro::current != $Coro::main) {	3861	if (in_main) {
2986	warn "can only reload from main coroutine";	3862	error "can only reload from main coroutine";
2987	return;	3863	return;
2988	}	3864	}
2989		3865
		3866	return if $RELOAD++;
		3867
		3868	my $t1 = AE::time;
		3869
		3870	while ($RELOAD) {
2990	warn "reloading...";	3871	info "reloading...";
2991		3872
2992	warn "entering sync_job";	3873	trace "entering sync_job";
2993		3874
2994	cf::sync_job {	3875	cf::sync_job {
2995	cf::write_runtime; # external watchdog should not bark
2996	cf::emergency_save;	3876	cf::emergency_save;
2997	cf::write_runtime; # external watchdog should not bark
2998		3877
2999	warn "syncing database to disk";
3000	BDB::db_env_txn_checkpoint $DB_ENV;
3001
3002	# if anything goes wrong in here, we should simply crash as we already saved
3003
3004	warn "cancelling all WF_AUTOCANCEL watchers";
3005	for (Event::all_watchers) {
3006	$_->cancel if $_->data & WF_AUTOCANCEL;
3007	}
3008
3009	warn "flushing outstanding aio requests";
3010	for (;;) {
3011	BDB::flush;
3012	IO::AIO::flush;
3013	Coro::cede;
3014	last unless IO::AIO::nreqs || BDB::nreqs;
3015	warn "iterate...";
3016	}
3017
3018	++$RELOAD;
3019
3020	warn "cancelling all extension coros";	3878	trace "cancelling all extension coros";
3021	$_->cancel for values %EXT_CORO;	3879	$_->cancel for values %EXT_CORO;
3022	%EXT_CORO = ();	3880	%EXT_CORO = ();
3023		3881
3024	warn "removing commands";	3882	trace "removing commands";
3025	%COMMAND = ();	3883	%COMMAND = ();
3026		3884
3027	warn "removing ext/exti commands";	3885	trace "removing ext/exti commands";
3028	%EXTCMD = ();	3886	%EXTCMD = ();
3029	%EXTICMD = ();	3887	%EXTICMD = ();
3030		3888
3031	warn "unloading/nuking all extensions";	3889	trace "unloading/nuking all extensions";
3032	for my $pkg (@EXTS) {	3890	for my $pkg (@EXTS) {
3033	warn "... unloading $pkg";	3891	trace "... unloading $pkg";
3034		3892
3035	if (my $cb = $pkg->can ("unload")) {	3893	if (my $cb = $pkg->can ("unload")) {
3036	eval {	3894	eval {
3037	$cb->($pkg);	3895	$cb->($pkg);
3038	1	3896	1
3039	} or warn "$pkg unloaded, but with errors: $@";	3897	} or error "$pkg unloaded, but with errors: $@";
		3898	}
		3899
		3900	trace "... clearing $pkg";
		3901	clear_package $pkg;
3040	}	3902	}
3041		3903
3042	warn "... nuking $pkg";
3043	Symbol::delete_package $pkg;
3044	}
3045
3046	warn "unloading all perl modules loaded from $LIBDIR";	3904	trace "unloading all perl modules loaded from $LIBDIR";
3047	while (my ($k, $v) = each %INC) {	3905	while (my ($k, $v) = each %INC) {
3048	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3906	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3049		3907
3050	warn "... unloading $k";	3908	trace "... unloading $k";
3051	delete $INC{$k};	3909	delete $INC{$k};
3052		3910
3053	$k =~ s/\.pm$//;	3911	$k =~ s/\.pm$//;
3054	$k =~ s/\//::/g;	3912	$k =~ s/\//::/g;
3055		3913
3056	if (my $cb = $k->can ("unload_module")) {	3914	if (my $cb = $k->can ("unload_module")) {
3057	$cb->();	3915	$cb->();
		3916	}
		3917
		3918	clear_package $k;
3058	}	3919	}
3059		3920
3060	Symbol::delete_package $k;
3061	}
3062
3063	warn "getting rid of safe::, as good as possible";	3921	trace "getting rid of safe::, as good as possible";
3064	Symbol::delete_package "safe::$_"	3922	clear_package "safe::$_"
3065	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3923	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3066		3924
3067	warn "unloading cf.pm \"a bit\"";	3925	trace "unloading cf.pm \"a bit\"";
3068	delete $INC{"cf.pm"};	3926	delete $INC{"cf.pm"};
3069	delete $INC{"cf/pod.pm"};	3927	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3070		3928
3071	# don't, removes xs symbols, too,	3929	# don't, removes xs symbols, too,
3072	# and global variables created in xs	3930	# and global variables created in xs
3073	#Symbol::delete_package __PACKAGE__;	3931	#clear_package __PACKAGE__;
3074		3932
3075	warn "unload completed, starting to reload now";	3933	info "unload completed, starting to reload now";
3076		3934
3077	warn "reloading cf.pm";	3935	trace "reloading cf.pm";
3078	require cf;	3936	require cf;
3079	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3937	cf::_connect_to_perl_1;
3080		3938
3081	warn "loading config and database again";	3939	trace "loading config and database again";
3082	cf::cfg_load;	3940	cf::reload_config;
3083		3941
3084	warn "loading extensions";	3942	trace "loading extensions";
3085	cf::load_extensions;	3943	cf::load_extensions;
3086		3944
		3945	if ($REATTACH_ON_RELOAD) {
3087	warn "reattaching attachments to objects/players";	3946	trace "reattaching attachments to objects/players";
3088	_global_reattach; # objects, sockets	3947	_global_reattach; # objects, sockets
3089	warn "reattaching attachments to maps";	3948	trace "reattaching attachments to maps";
3090	reattach $_ for values %MAP;	3949	reattach $_ for values %MAP;
3091	warn "reattaching attachments to players";	3950	trace "reattaching attachments to players";
3092	reattach $_ for values %PLAYER;	3951	reattach $_ for values %PLAYER;
		3952	}
3093		3953
		3954	trace "running post_init jobs";
		3955	(pop @POST_INIT)->(1) while @POST_INIT;
		3956
3094	warn "leaving sync_job";	3957	trace "leaving sync_job";
3095		3958
3096	1	3959	1
3097	} or do {	3960	} or do {
3098	warn $@;	3961	error $@;
3099	warn "error while reloading, exiting.";	3962	cf::cleanup "error while reloading, exiting.";
3100	exit 1;	3963	};
		3964
		3965	info "reloaded";
		3966	--$RELOAD;
3101	};	3967	}
3102		3968
3103	warn "reloaded";	3969	$t1 = AE::time - $t1;
		3970	info "reload completed in ${t1}s\n";
3104	};	3971	};
3105		3972
3106	our $RELOAD_WATCHER; # used only during reload	3973	our $RELOAD_WATCHER; # used only during reload
3107		3974
3108	sub reload_perl() {	3975	sub reload_perl() {
3109	# doing reload synchronously and two reloads happen back-to-back,	3976	# doing reload synchronously and two reloads happen back-to-back,
3110	# coro crashes during coro_state_free->destroy here.	3977	# coro crashes during coro_state_free->destroy here.
3111		3978
3112	$RELOAD_WATCHER ||= Event->timer (	3979	$RELOAD_WATCHER ||= cf::async {
3113	reentrant => 0,	3980	Coro::AIO::aio_wait cache_extensions;
3114	after => 0,	3981
3115	data => WF_AUTOCANCEL,	3982	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3116	cb => sub {
3117	do_reload_perl;	3983	do_reload_perl;
3118	undef $RELOAD_WATCHER;	3984	undef $RELOAD_WATCHER;
3119	},	3985	};
3120	);	3986	};
3121	}	3987	}
3122		3988
3123	register_command "reload" => sub {	3989	register_command "reload" => sub {
3124	my ($who, $arg) = @_;	3990	my ($who, $arg) = @_;
3125		3991
3126	if ($who->flag (FLAG_WIZ)) {	3992	if ($who->flag (FLAG_WIZ)) {
3127	$who->message ("reloading server.");	3993	$who->message ("reloading server.");
		3994	async {
		3995	$Coro::current->{desc} = "perl_reload";
3128	async { reload_perl };	3996	reload_perl;
		3997	};
3129	}	3998	}
3130	};	3999	};
3131		4000
3132	unshift @INC, $LIBDIR;	4001	unshift @INC, $LIBDIR;
3133		4002
…		…
3135		4004
3136	our @WAIT_FOR_TICK;	4005	our @WAIT_FOR_TICK;
3137	our @WAIT_FOR_TICK_BEGIN;	4006	our @WAIT_FOR_TICK_BEGIN;
3138		4007
3139	sub wait_for_tick {	4008	sub wait_for_tick {
3140	return unless $TICK_WATCHER->is_active;
3141	return if $Coro::current == $Coro::main;	4009	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3142		4010
3143	my $signal = new Coro::Signal;	4011	my $signal = new Coro::Signal;
3144	push @WAIT_FOR_TICK, $signal;	4012	push @WAIT_FOR_TICK, $signal;
3145	$signal->wait;	4013	$signal->wait;
3146	}	4014	}
3147		4015
3148	sub wait_for_tick_begin {	4016	sub wait_for_tick_begin {
3149	return unless $TICK_WATCHER->is_active;
3150	return if $Coro::current == $Coro::main;	4017	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3151		4018
3152	my $signal = new Coro::Signal;	4019	my $signal = new Coro::Signal;
3153	push @WAIT_FOR_TICK_BEGIN, $signal;	4020	push @WAIT_FOR_TICK_BEGIN, $signal;
3154	$signal->wait;	4021	$signal->wait;
3155	}	4022	}
3156		4023
3157	my $min = 1e6;#d#	4024	sub tick {
3158	my $avg = 10;
3159	$TICK_WATCHER = Event->timer (
3160	reentrant => 0,
3161	parked => 1,
3162	prio => 0,
3163	at => $NEXT_TICK || $TICK,
3164	data => WF_AUTOCANCEL,
3165	cb => sub {
3166	if ($Coro::current != $Coro::main) {	4025	if ($Coro::current != $Coro::main) {
3167	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4026	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3168	unless ++$bug_warning > 10;	4027	unless ++$bug_warning > 10;
3169	return;	4028	return;
3170	}	4029	}
3171		4030
3172	$NOW = $tick_start = Event::time;
3173
3174	cf::server_tick; # one server iteration	4031	cf::server_tick; # one server iteration
3175		4032
3176	0 && sync_job {#d#	4033	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3177	for(1..10) {
3178	my $t = Event::time;
3179	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3180	or die;
3181		4034
3182	$map->width (50);	4035	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3183	$map->height (50);	4036	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3184	$map->alloc;	4037	Coro::async_pool {
3185	$map->_load_objects ("/tmp/x.map", 1);	4038	$Coro::current->{desc} = "runtime saver";
3186	my $t = Event::time - $t;	4039	write_runtime_sync
3187		4040	or error "ERROR: unable to write runtime file: $!";
3188	#next unless $t < 0.0013;#d#
3189	if ($t < $min) {
3190	$min = $t;
3191	}
3192	$avg = $avg * 0.99 + $t * 0.01;
3193	}
3194	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3195	exit 0;
3196	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3197	};	4041	};
		4042	}
3198		4043
3199	$RUNTIME += $TICK;
3200	$NEXT_TICK += $TICK;
3201
3202	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3203	$NEXT_RUNTIME_WRITE = $NOW + 10;
3204	Coro::async_pool {
3205	write_runtime
3206	or warn "ERROR: unable to write runtime file: $!";
3207	};
3208	}
3209
3210	# my $AFTER = Event::time;
3211	# warn $AFTER - $NOW;#d#
3212
3213	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4044	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3214	$sig->send;	4045	$sig->send;
3215	}	4046	}
3216	while (my $sig = shift @WAIT_FOR_TICK) {	4047	while (my $sig = shift @WAIT_FOR_TICK) {
3217	$sig->send;	4048	$sig->send;
3218	}	4049	}
3219		4050
3220	$NOW = Event::time;	4051	$LOAD = ($NOW - $TICK_START) / $TICK;
3221
3222	# if we are delayed by four ticks or more, skip them all
3223	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3224
3225	$TICK_WATCHER->at ($NEXT_TICK);
3226	$TICK_WATCHER->start;
3227
3228	$LOAD = ($NOW - $tick_start) / $TICK;
3229	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4052	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3230		4053
3231	_post_tick;	4054	if (0) {
3232		4055	if ($NEXT_TICK) {
3233		4056	my $jitter = $TICK_START - $NEXT_TICK;
		4057	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4058	debug "jitter $JITTER\n";#d#
		4059	}
3234	},	4060	}
3235	);	4061	}
3236		4062
3237	{	4063	{
3238	BDB::max_poll_time $TICK * 0.1;	4064	# configure BDB
3239	$BDB_POLL_WATCHER = Event->io (	4065
3240	reentrant => 0,
3241	fd => BDB::poll_fileno,
3242	poll => 'r',
3243	prio => 0,
3244	data => WF_AUTOCANCEL,
3245	cb => \&BDB::poll_cb,
3246	);
3247	BDB::min_parallel 8;	4066	BDB::min_parallel 16;
3248		4067	BDB::max_poll_reqs $TICK * 0.1;
3249	BDB::set_sync_prepare {	4068	$AnyEvent::BDB::WATCHER->priority (1);
3250	my $status;
3251	my $current = $Coro::current;
3252	(
3253	sub {
3254	$status = $!;
3255	$current->ready; undef $current;
3256	},
3257	sub {
3258	Coro::schedule while defined $current;
3259	$! = $status;
3260	},
3261	)
3262	};
3263		4069
3264	unless ($DB_ENV) {	4070	unless ($DB_ENV) {
3265	$DB_ENV = BDB::db_env_create;	4071	$DB_ENV = BDB::db_env_create;
		4072	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4073	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4074	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4075	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4076	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3266		4077
3267	cf::sync_job {	4078	cf::sync_job {
3268	eval {	4079	eval {
3269	BDB::db_env_open	4080	BDB::db_env_open
3270	$DB_ENV,	4081	$DB_ENV,
…		…
3272	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4083	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3273	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4084	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3274	0666;	4085	0666;
3275		4086
3276	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4087	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3277
3278	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3279	$DB_ENV->set_lk_detect;
3280	};	4088	};
3281		4089
3282	cf::cleanup "db_env_open(db): $@" if $@;	4090	cf::cleanup "db_env_open(db): $@" if $@;
3283	};	4091	};
3284	}	4092	}
		4093
		4094	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4095	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4096	};
		4097	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4098	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4099	};
		4100	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4101	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4102	};
3285	}	4103	}
3286		4104
3287	{	4105	{
		4106	# configure IO::AIO
		4107
3288	IO::AIO::min_parallel 8;	4108	IO::AIO::min_parallel 8;
3289
3290	undef $Coro::AIO::WATCHER;
3291	IO::AIO::max_poll_time $TICK * 0.1;	4109	IO::AIO::max_poll_time $TICK * 0.1;
3292	$AIO_POLL_WATCHER = Event->io (	4110	undef $AnyEvent::AIO::WATCHER;
3293	reentrant => 0,
3294	data => WF_AUTOCANCEL,
3295	fd => IO::AIO::poll_fileno,
3296	poll => 'r',
3297	prio => 6,
3298	cb => \&IO::AIO::poll_cb,
3299	);
3300	}	4111	}
3301		4112
3302	my $_log_backtrace;	4113	my $_log_backtrace;
3303		4114
3304	sub _log_backtrace {	4115	sub _log_backtrace {
…		…
3307	$msg =~ s/\n//;	4118	$msg =~ s/\n//;
3308		4119
3309	# limit the # of concurrent backtraces	4120	# limit the # of concurrent backtraces
3310	if ($_log_backtrace < 2) {	4121	if ($_log_backtrace < 2) {
3311	++$_log_backtrace;	4122	++$_log_backtrace;
		4123	my $perl_bt = Carp::longmess $msg;
3312	async {	4124	async {
		4125	$Coro::current->{desc} = "abt $msg";
		4126
3313	my @bt = fork_call {	4127	my @bt = fork_call {
3314	@addr = map { sprintf "%x", $_ } @addr;	4128	@addr = map { sprintf "%x", $_ } @addr;
3315	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4129	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3316	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4130	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3317	or die "addr2line: $!";	4131	or die "addr2line: $!";
…		…
3325	}	4139	}
3326		4140
3327	@funcs	4141	@funcs
3328	};	4142	};
3329		4143
3330	LOG llevInfo, "[ABT] $msg\n";	4144	LOG llevInfo, "[ABT] $perl_bt\n";
		4145	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3331	LOG llevInfo, "[ABT] $_\n" for @bt;	4146	LOG llevInfo, "[ABT] $_\n" for @bt;
3332	--$_log_backtrace;	4147	--$_log_backtrace;
3333	};	4148	};
3334	} else {	4149	} else {
3335	LOG llevInfo, "[ABT] $msg\n";	4150	LOG llevInfo, "[ABT] $msg\n";
3336	LOG llevInfo, "[ABT] [suppressed]\n";	4151	LOG llevInfo, "[ABT] [suppressed]\n";
3337	}	4152	}
3338	}	4153	}
3339		4154
3340	# load additional modules	4155	# load additional modules
3341	use cf::pod;	4156	require "cf/$_.pm" for @EXTRA_MODULES;
		4157	cf::_connect_to_perl_2;
3342		4158
3343	END { cf::emergency_save }	4159	END { cf::emergency_save }
3344		4160
3345	1	4161	1
3346		4162

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