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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 1.533 by root, Thu Apr 29 07:59:17 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 ($Coro::main)
340	is always able to handle events or runnable, as Crossfire TRT is only	509	is always able to handle events or runnable, as Deliantra is only
341	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	510	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
342	acceptable.	511	acceptable.
343		512
344	If it must be done, put the blocking parts into C<sync_job>. This will run	513	If it must be done, put the blocking parts into C<sync_job>. This will run
345	the given BLOCK in another coroutine while waiting for the result. The	514	the given BLOCK in another coroutine while waiting for the result. The
…		…
350		519
351	sub sync_job(&) {	520	sub sync_job(&) {
352	my ($job) = @_;	521	my ($job) = @_;
353		522
354	if ($Coro::current == $Coro::main) {	523	if ($Coro::current == $Coro::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	my ($name) = @_;
		663	my $db = BDB::db_create $DB_ENV;
		664
		665	eval {
		666	$db->set_flags (BDB::CHKSUM);
		667
		668	utf8::encode $name;
		669	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		670	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		671	cf::cleanup "db_open(db): $!" if $!;
		672	};
		673	cf::cleanup "db_open(db): $@" if $@;
		674
		675	$db
		676	}
484		677
485	our $DB;	678	our $DB;
486		679
487	sub db_init {	680	sub db_init {
488	unless ($DB) {
489	$DB = BDB::db_create $DB_ENV;
490
491	cf::sync_job {	681	cf::sync_job {
492	eval {	682	$DB ||= db_table "db";
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	}	683	};
502	}	684	}
503		685
504	sub db_get($$) {	686	sub db_get($$) {
505	my $key = "$_[0]/$_[1]";	687	my $key = "$_[0]/$_[1]";
506		688
…		…
556	if (1) {	738	if (1) {
557	$md5 =	739	$md5 =
558	join "\x00",	740	join "\x00",
559	$processversion,	741	$processversion,
560	map {	742	map {
561	Coro::cede;	743	cf::cede_to_tick;
562	($src->[$_], Digest::MD5::md5_hex $data[$_])	744	($src->[$_], Digest::MD5::md5_hex $data[$_])
563	} 0.. $#$src;	745	} 0.. $#$src;
564		746
565		747
566	my $dbmd5 = db_get cache => "$id/md5";	748	my $dbmd5 = db_get cache => "$id/md5";
…		…
573		755
574	my $t1 = Time::HiRes::time;	756	my $t1 = Time::HiRes::time;
575	my $data = $process->(\@data);	757	my $data = $process->(\@data);
576	my $t2 = Time::HiRes::time;	758	my $t2 = Time::HiRes::time;
577		759
578	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	760	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
579		761
580	db_put cache => "$id/data", $data;	762	db_put cache => "$id/data", $data;
581	db_put cache => "$id/md5" , $md5;	763	db_put cache => "$id/md5" , $md5;
582	db_put cache => "$id/meta", $meta;	764	db_put cache => "$id/meta", $meta;
583		765
…		…
593		775
594	=cut	776	=cut
595		777
596	sub datalog($@) {	778	sub datalog($@) {
597	my ($type, %kv) = @_;	779	my ($type, %kv) = @_;
598	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	780	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
599	}	781	}
600		782
601	=back	783	=back
602		784
603	=cut	785	=cut
604		786
605	#############################################################################	787	#############################################################################
606		788
607	=head2 ATTACHABLE OBJECTS	789	=head2 ATTACHABLE OBJECTS
608		790
609	Many objects in crossfire are so-called attachable objects. That means you can	791	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")	792	attach callbacks/event handlers (a collection of which is called an "attachment")
611	to it. All such attachable objects support the following methods.	793	to it. All such attachable objects support the following methods.
612		794
613	In the following description, CLASS can be any of C<global>, C<object>	795	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	796	C<player>, C<client> or C<map> (i.e. the attachable objects in
615	Crossfire TRT).	797	Deliantra).
616		798
617	=over 4	799	=over 4
618		800
619	=item $attachable->attach ($attachment, key => $value...)	801	=item $attachable->attach ($attachment, key => $value...)
620		802
…		…
664	=item cf::CLASS::attachment $name, ...	846	=item cf::CLASS::attachment $name, ...
665		847
666	Register an attachment by C<$name> through which attachable objects of the	848	Register an attachment by C<$name> through which attachable objects of the
667	given CLASS can refer to this attachment.	849	given CLASS can refer to this attachment.
668		850
669	Some classes such as crossfire maps and objects can specify attachments	851	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.	852	that are attached at load/instantiate time, thus the need for a name.
671		853
672	These calls expect any number of the following handler/hook descriptions:	854	These calls expect any number of the following handler/hook descriptions:
673		855
674	=over 4	856	=over 4
…		…
798		980
799	} elsif (exists $cb_id{$type}) {	981	} elsif (exists $cb_id{$type}) {
800	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	982	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
801		983
802	} elsif (ref $type) {	984	} elsif (ref $type) {
803	warn "attaching objects not supported, ignoring.\n";	985	error "attaching objects not supported, ignoring.\n";
804		986
805	} else {	987	} else {
806	shift @arg;	988	shift @arg;
807	warn "attach argument '$type' not supported, ignoring.\n";	989	error "attach argument '$type' not supported, ignoring.\n";
808	}	990	}
809	}	991	}
810	}	992	}
811		993
812	sub _object_attach {	994	sub _object_attach {
…		…
822	_attach $registry, $klass, @attach;	1004	_attach $registry, $klass, @attach;
823	}	1005	}
824		1006
825	$obj->{$name} = \%arg;	1007	$obj->{$name} = \%arg;
826	} else {	1008	} else {
827	warn "object uses attachment '$name' which is not available, postponing.\n";	1009	info "object uses attachment '$name' which is not available, postponing.\n";
828	}	1010	}
829		1011
830	$obj->{_attachment}{$name} = undef;	1012	$obj->{_attachment}{$name} = undef;
831	}	1013	}
832		1014
…		…
891		1073
892	for (@$callbacks) {	1074	for (@$callbacks) {
893	eval { &{$_->[1]} };	1075	eval { &{$_->[1]} };
894		1076
895	if ($@) {	1077	if ($@) {
896	warn "$@";
897	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1078	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
898	override;	1079	override;
899	}	1080	}
900		1081
901	return 1 if $override;	1082	return 1 if $override;
902	}	1083	}
903		1084
904	0	1085	0
905	}	1086	}
906		1087
907	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1088	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
908		1089
909	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
910		1091
911	Generate an object-specific event with the given arguments.	1092	Generate an object-specific event with the given arguments.
912		1093
…		…
919	=cut	1100	=cut
920		1101
921	#############################################################################	1102	#############################################################################
922	# object support	1103	# object support
923		1104
		1105	sub _object_equal($$);
		1106	sub _object_equal($$) {
		1107	my ($a, $b) = @_;
		1108
		1109	return 0 unless (ref $a) eq (ref $b);
		1110
		1111	if ("HASH" eq ref $a) {
		1112	my @ka = keys %$a;
		1113	my @kb = keys %$b;
		1114
		1115	return 0 if @ka != @kb;
		1116
		1117	for (0 .. $#ka) {
		1118	return 0 unless $ka[$_] eq $kb[$_];
		1119	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1120	}
		1121
		1122	} elsif ("ARRAY" eq ref $a) {
		1123
		1124	return 0 if @$a != @$b;
		1125
		1126	for (0 .. $#$a) {
		1127	return 0 unless _object_equal $a->[$_], $b->[$_];
		1128	}
		1129
		1130	} elsif ($a ne $b) {
		1131	return 0;
		1132	}
		1133
		1134	1
		1135	}
		1136
		1137	our $SLOW_MERGES;#d#
		1138	sub _can_merge {
		1139	my ($ob1, $ob2) = @_;
		1140
		1141	++$SLOW_MERGES;#d#
		1142
		1143	# we do the slow way here
		1144	return _object_equal $ob1, $ob2
		1145	}
		1146
924	sub reattach {	1147	sub reattach {
925	# basically do the same as instantiate, without calling instantiate	1148	# basically do the same as instantiate, without calling instantiate
926	my ($obj) = @_;	1149	my ($obj) = @_;
927		1150
		1151	# no longer needed after getting rid of delete_package?
928	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1152	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
929		1153
930	my $registry = $obj->registry;	1154	my $registry = $obj->registry;
931		1155
932	@$registry = ();	1156	@$registry = ();
933		1157
…		…
938	for (@$attach) {	1162	for (@$attach) {
939	my ($klass, @attach) = @$_;	1163	my ($klass, @attach) = @$_;
940	_attach $registry, $klass, @attach;	1164	_attach $registry, $klass, @attach;
941	}	1165	}
942	} else {	1166	} else {
943	warn "object uses attachment '$name' that is not available, postponing.\n";	1167	info "object uses attachment '$name' that is not available, postponing.\n";
944	}	1168	}
945	}	1169	}
946	}	1170	}
947		1171
948	cf::attachable->attach (	1172	cf::attachable->attach (
949	prio => -1000000,	1173	prio => -1000000,
950	on_instantiate => sub {	1174	on_instantiate => sub {
951	my ($obj, $data) = @_;	1175	my ($obj, $data) = @_;
952		1176
953	$data = from_json $data;	1177	$data = decode_json $data;
954		1178
955	for (@$data) {	1179	for (@$data) {
956	my ($name, $args) = @$_;	1180	my ($name, $args) = @$_;
957		1181
958	$obj->attach ($name, %{$args || {} });	1182	$obj->attach ($name, %{$args || {} });
…		…
974	sub object_freezer_save {	1198	sub object_freezer_save {
975	my ($filename, $rdata, $objs) = @_;	1199	my ($filename, $rdata, $objs) = @_;
976		1200
977	sync_job {	1201	sync_job {
978	if (length $$rdata) {	1202	if (length $$rdata) {
		1203	utf8::decode (my $decname = $filename);
979	warn sprintf "saving %s (%d,%d)\n",	1204	trace sprintf "saving %s (%d,%d)\n",
980	$filename, length $$rdata, scalar @$objs;	1205	$decname, length $$rdata, scalar @$objs
		1206	if $VERBOSE_IO;
981		1207
982	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1208	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
983	chmod SAVE_MODE, $fh;	1209	aio_chmod $fh, SAVE_MODE;
984	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1210	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
985	aio_fsync $fh if $cf::USE_FSYNC;	1211	if ($cf::USE_FSYNC) {
		1212	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;
		1213	aio_fsync $fh;
		1214	}
986	close $fh;	1215	aio_close $fh;
987		1216
988	if (@$objs) {	1217	if (@$objs) {
989	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1218	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
990	chmod SAVE_MODE, $fh;	1219	aio_chmod $fh, SAVE_MODE;
991	my $data = Storable::nfreeze { version => 1, objs => $objs };	1220	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
992	aio_write $fh, 0, (length $data), $data, 0;	1221	aio_write $fh, 0, (length $data), $data, 0;
993	aio_fsync $fh if $cf::USE_FSYNC;	1222	if ($cf::USE_FSYNC) {
		1223	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;
		1224	aio_fsync $fh;
		1225	}
994	close $fh;	1226	aio_close $fh;
995	aio_rename "$filename.pst~", "$filename.pst";	1227	aio_rename "$filename.pst~", "$filename.pst";
996	}	1228	}
997	} else {	1229	} else {
998	aio_unlink "$filename.pst";	1230	aio_unlink "$filename.pst";
999	}	1231	}
1000		1232
1001	aio_rename "$filename~", $filename;	1233	aio_rename "$filename~", $filename;
		1234
		1235	$filename =~ s%/[^/]+$%%;
		1236	aio_pathsync $filename if $cf::USE_FSYNC;
1002	} else {	1237	} else {
1003	warn "FATAL: $filename~: $!\n";	1238	error "unable to save objects: $filename~: $!\n";
1004	}	1239	}
1005	} else {	1240	} else {
1006	aio_unlink $filename;	1241	aio_unlink $filename;
1007	aio_unlink "$filename.pst";	1242	aio_unlink "$filename.pst";
1008	}	1243	}
1009	}	1244	};
1010	}	1245	}
1011		1246
1012	sub object_freezer_as_string {	1247	sub object_freezer_as_string {
1013	my ($rdata, $objs) = @_;	1248	my ($rdata, $objs) = @_;
1014		1249
…		…
1026	or return;	1261	or return;
1027		1262
1028	unless (aio_stat "$filename.pst") {	1263	unless (aio_stat "$filename.pst") {
1029	(aio_load "$filename.pst", $av) >= 0	1264	(aio_load "$filename.pst", $av) >= 0
1030	or return;	1265	or return;
		1266
1031	$av = eval { (Storable::thaw $av)->{objs} };	1267	my $st = eval { Coro::Storable::thaw $av };
		1268	$av = $st->{objs};
1032	}	1269	}
1033		1270
		1271	utf8::decode (my $decname = $filename);
1034	warn sprintf "loading %s (%d)\n",	1272	trace sprintf "loading %s (%d,%d)\n",
1035	$filename, length $data, scalar @{$av || []};	1273	$decname, length $data, scalar @{$av || []}
		1274	if $VERBOSE_IO;
		1275
1036	return ($data, $av);	1276	($data, $av)
1037	}	1277	}
1038		1278
1039	=head2 COMMAND CALLBACKS	1279	=head2 COMMAND CALLBACKS
1040		1280
1041	=over 4	1281	=over 4
…		…
1095	my ($name, $cb) = @_;	1335	my ($name, $cb) = @_;
1096		1336
1097	$EXTICMD{$name} = $cb;	1337	$EXTICMD{$name} = $cb;
1098	}	1338	}
1099		1339
		1340	use File::Glob ();
		1341
1100	cf::player->attach (	1342	cf::player->attach (
1101	on_command => sub {	1343	on_unknown_command => sub {
1102	my ($pl, $name, $params) = @_;	1344	my ($pl, $name, $params) = @_;
1103		1345
1104	my $cb = $COMMAND{$name}	1346	my $cb = $COMMAND{$name}
1105	or return;	1347	or return;
1106		1348
…		…
1114	my ($pl, $buf) = @_;	1356	my ($pl, $buf) = @_;
1115		1357
1116	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1358	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1117		1359
1118	if (ref $msg) {	1360	if (ref $msg) {
		1361	my ($type, $reply, @payload) =
		1362	"ARRAY" eq ref $msg
		1363	? @$msg
		1364	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1365
		1366	my @reply;
		1367
1119	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1368	if (my $cb = $EXTCMD{$type}) {
1120	if (my %reply = $cb->($pl, $msg)) {	1369	@reply = $cb->($pl, @payload);
1121	$pl->ext_reply ($msg->{msgid}, %reply);
1122	}
1123	}	1370	}
		1371
		1372	$pl->ext_reply ($reply, @reply)
		1373	if $reply;
		1374
1124	} else {	1375	} else {
1125	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1376	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1126	}	1377	}
1127		1378
1128	cf::override;	1379	cf::override;
1129	},	1380	},
1130	);	1381	);
1131		1382
		1383	# "readahead" all extensions
		1384	sub cache_extensions {
		1385	my $grp = IO::AIO::aio_group;
		1386
		1387	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1388	for (grep /\.ext$/, @{$_[0]}) {
		1389	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1390	}
		1391	};
		1392
		1393	$grp
		1394	}
		1395
1132	sub load_extensions {	1396	sub load_extensions {
		1397	info "loading extensions...";
		1398
1133	cf::sync_job {	1399	cf::sync_job {
1134	my %todo;	1400	my %todo;
1135		1401
1136	for my $path (<$LIBDIR/*.ext>) {	1402	for my $path (<$LIBDIR/*.ext>) {
1137	next unless -r $path;	1403	next unless -r $path;
…		…
1155		1421
1156	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1422	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1157	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1423	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1158		1424
1159	$ext{source} =	1425	$ext{source} =
1160	"package $pkg; use strict; use utf8;\n"	1426	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1161	. "#line 1 \"$path\"\n{\n"	1427	. "#line 1 \"$path\"\n{\n"
1162	. $source	1428	. $source
1163	. "\n};\n1";	1429	. "\n};\n1";
1164		1430
1165	$todo{$base} = \%ext;	1431	$todo{$base} = \%ext;
1166	}	1432	}
1167		1433
		1434	my $pass = 0;
1168	my %done;	1435	my %done;
1169	while (%todo) {	1436	while (%todo) {
1170	my $progress;	1437	my $progress;
1171		1438
		1439	++$pass;
		1440
		1441	ext:
1172	while (my ($k, $v) = each %todo) {	1442	while (my ($k, $v) = each %todo) {
1173	for (split /,\s*/, $v->{meta}{depends}) {	1443	for (split /,\s*/, $v->{meta}{depends}) {
1174	goto skip	1444	next ext
1175	unless exists $done{$_};	1445	unless exists $done{$_};
1176	}	1446	}
1177		1447
1178	warn "... loading '$k' into '$v->{pkg}'\n";	1448	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1179		1449
1180	unless (eval $v->{source}) {	1450	my $active = eval $v->{source};
		1451
		1452	if (length $@) {
1181	my $msg = $@ ? "$v->{path}: $@\n"	1453	error "$v->{path}: $@\n";
1182	: "$v->{base}: extension inactive.\n";
1183		1454
		1455	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1184	if (exists $v->{meta}{mandatory}) {	1456	if exists $v->{meta}{mandatory};
1185	warn $msg;	1457
1186	warn "mandatory extension failed to load, exiting.\n";	1458	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1187	exit 1;	1459	delete $todo{$k};
1188	}	1460	} else {
1189		1461	$done{$k} = delete $todo{$k};
1190	warn $msg;	1462	push @EXTS, $v->{pkg};
		1463	$progress = 1;
		1464
		1465	info "$v->{base}: extension inactive.\n"
		1466	unless $active;
1191	}	1467	}
1192
1193	$done{$k} = delete $todo{$k};
1194	push @EXTS, $v->{pkg};
1195	$progress = 1;
1196	}	1468	}
1197		1469
1198	skip:	1470	unless ($progress) {
1199	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1471	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1200	unless $progress;	1472
		1473	while (my ($k, $v) = each %todo) {
		1474	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1475	if exists $v->{meta}{mandatory};
		1476	}
		1477	}
1201	}	1478	}
1202	};	1479	};
1203	}	1480	}
1204		1481
1205	#############################################################################	1482	#############################################################################
1206		1483
1207	=back	1484	=back
1208		1485
1209	=head2 CORE EXTENSIONS	1486	=head2 CORE EXTENSIONS
1210		1487
1211	Functions and methods that extend core crossfire objects.	1488	Functions and methods that extend core deliantra objects.
1212		1489
1213	=cut	1490	=cut
1214		1491
1215	package cf::player;	1492	package cf::player;
1216		1493
1217	use Coro::AIO;	1494	use Coro::AIO;
1218		1495
1219	=head3 cf::player	1496	=head3 cf::player
1220		1497
1221	=over 4	1498	=over 4
		1499
		1500	=item cf::player::num_playing
		1501
		1502	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1503
		1504	=cut
		1505
		1506	sub num_playing {
		1507	scalar grep
		1508	$_->ob->map
		1509	&& !$_->hidden
		1510	&& !$_->ob->flag (cf::FLAG_WIZ),
		1511	cf::player::list
		1512	}
1222		1513
1223	=item cf::player::find $login	1514	=item cf::player::find $login
1224		1515
1225	Returns the given player object, loading it if necessary (might block).	1516	Returns the given player object, loading it if necessary (might block).
1226		1517
…		…
1245		1536
1246	sub exists($) {	1537	sub exists($) {
1247	my ($login) = @_;	1538	my ($login) = @_;
1248		1539
1249	$cf::PLAYER{$login}	1540	$cf::PLAYER{$login}
1250	or cf::sync_job { !aio_stat path $login }	1541	or !aio_stat path $login
1251	}	1542	}
1252		1543
1253	sub find($) {	1544	sub find($) {
1254	return $cf::PLAYER{$_[0]} || do {	1545	return $cf::PLAYER{$_[0]} || do {
1255	my $login = $_[0];	1546	my $login = $_[0];
…		…
1262	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1553	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1263	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1554	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1264	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1555	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1265	aio_unlink +(playerdir $login) . "/$login.pl";	1556	aio_unlink +(playerdir $login) . "/$login.pl";
1266		1557
1267	my $pl = load_pl path $login	1558	my $f = new_from_file cf::object::thawer path $login
1268	or return;	1559	or return;
		1560
		1561	my $pl = cf::player::load_pl $f
		1562	or return;
		1563
		1564	local $cf::PLAYER_LOADING{$login} = $pl;
		1565	$f->resolve_delayed_derefs;
1269	$cf::PLAYER{$login} = $pl	1566	$cf::PLAYER{$login} = $pl
1270	}	1567	}
1271	}	1568	}
1272	}	1569	}
		1570
		1571	cf::player->attach (
		1572	on_load => sub {
		1573	my ($pl, $path) = @_;
		1574
		1575	# restore slots saved in save, below
		1576	my $slots = delete $pl->{_slots};
		1577
		1578	$pl->ob->current_weapon ($slots->[0]);
		1579	$pl->combat_ob ($slots->[1]);
		1580	$pl->ranged_ob ($slots->[2]);
		1581	},
		1582	);
1273		1583
1274	sub save($) {	1584	sub save($) {
1275	my ($pl) = @_;	1585	my ($pl) = @_;
1276		1586
1277	return if $pl->{deny_save};	1587	return if $pl->{deny_save};
…		…
1282	return if $pl->{deny_save};	1592	return if $pl->{deny_save};
1283		1593
1284	aio_mkdir playerdir $pl, 0770;	1594	aio_mkdir playerdir $pl, 0770;
1285	$pl->{last_save} = $cf::RUNTIME;	1595	$pl->{last_save} = $cf::RUNTIME;
1286		1596
		1597	cf::get_slot 0.01;
		1598
		1599	# save slots, to be restored later
		1600	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1601
1287	$pl->save_pl ($path);	1602	$pl->save_pl ($path);
1288	Coro::cede;	1603	cf::cede_to_tick;
1289	}	1604	}
1290		1605
1291	sub new($) {	1606	sub new($) {
1292	my ($login) = @_;	1607	my ($login) = @_;
1293		1608
…		…
1299	$cf::PLAYER{$login} = $self;	1614	$cf::PLAYER{$login} = $self;
1300		1615
1301	$self	1616	$self
1302	}	1617	}
1303		1618
		1619	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1620
		1621	=cut
		1622
		1623	sub send_msg {
		1624	my $ns = shift->ns
		1625	or return;
		1626	$ns->send_msg (@_);
		1627	}
		1628
1304	=item $pl->quit_character	1629	=item $pl->quit_character
1305		1630
1306	Nukes the player without looking back. If logged in, the connection will	1631	Nukes the player without looking back. If logged in, the connection will
1307	be destroyed. May block for a long time.	1632	be destroyed. May block for a long time.
1308		1633
…		…
1312	my ($pl) = @_;	1637	my ($pl) = @_;
1313		1638
1314	my $name = $pl->ob->name;	1639	my $name = $pl->ob->name;
1315		1640
1316	$pl->{deny_save} = 1;	1641	$pl->{deny_save} = 1;
1317	$pl->password ("*"); # this should lock out the player until we nuked the dir	1642	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1318		1643
1319	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1644	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1320	$pl->deactivate;	1645	$pl->deactivate;
		1646	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1321	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1647	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1322	$pl->ns->destroy if $pl->ns;	1648	$pl->ns->destroy if $pl->ns;
1323		1649
1324	my $path = playerdir $pl;	1650	my $path = playerdir $pl;
1325	my $temp = "$path~$cf::RUNTIME~deleting~";	1651	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1361	or return [];	1687	or return [];
1362		1688
1363	my @logins;	1689	my @logins;
1364		1690
1365	for my $login (@$dirs) {	1691	for my $login (@$dirs) {
		1692	my $path = path $login;
		1693
		1694	# a .pst is a dead give-away for a valid player
		1695	# if no pst file found, open and chekc for blocked users
		1696	if (aio_stat "$path.pst") {
1366	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1697	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1367	aio_read $fh, 0, 512, my $buf, 0 or next;	1698	aio_read $fh, 0, 512, my $buf, 0 or next;
1368	$buf !~ /^password -------------$/m or next; # official not-valid tag	1699	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1700	}
1369		1701
1370	utf8::decode $login;	1702	utf8::decode $login;
1371	push @logins, $login;	1703	push @logins, $login;
1372	}	1704	}
1373		1705
1374	\@logins	1706	\@logins
1375	}	1707	}
1376		1708
1377	=item $player->maps	1709	=item $player->maps
		1710
		1711	=item cf::player::maps $login
1378		1712
1379	Returns an arrayref of map paths that are private for this	1713	Returns an arrayref of map paths that are private for this
1380	player. May block.	1714	player. May block.
1381		1715
1382	=cut	1716	=cut
…		…
1400	}	1734	}
1401		1735
1402	\@paths	1736	\@paths
1403	}	1737	}
1404		1738
1405	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1739	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1406		1740
1407	Expand crossfire pod fragments into protocol xml.	1741	Expand deliantra pod fragments into protocol xml.
1408		1742
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)	1743	=item $player->ext_reply ($msgid, @msg)
1456		1744
1457	Sends an ext reply to the player.	1745	Sends an ext reply to the player.
1458		1746
1459	=cut	1747	=cut
1460		1748
1461	sub ext_reply($$%) {	1749	sub ext_reply($$@) {
1462	my ($self, $id, %msg) = @_;	1750	my ($self, $id, @msg) = @_;
1463		1751
1464	$msg{msgid} = $id;	1752	$self->ns->ext_reply ($id, @msg)
1465	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1466	}	1753	}
1467		1754
1468	=item $player->ext_event ($type, %msg)	1755	=item $player->ext_msg ($type, @msg)
1469		1756
1470	Sends an ext event to the client.	1757	Sends an ext event to the client.
1471		1758
1472	=cut	1759	=cut
1473		1760
1474	sub ext_event($$%) {	1761	sub ext_msg($$@) {
1475	my ($self, $type, %msg) = @_;	1762	my ($self, $type, @msg) = @_;
1476		1763
1477	$self->ns->ext_event ($type, %msg);	1764	$self->ns->ext_msg ($type, @msg);
1478	}	1765	}
1479		1766
1480	=head3 cf::region	1767	=head3 cf::region
1481		1768
1482	=over 4	1769	=over 4
…		…
1491		1778
1492	=cut	1779	=cut
1493		1780
1494	sub find_by_path($) {	1781	sub find_by_path($) {
1495	my ($path) = @_;	1782	my ($path) = @_;
		1783
		1784	$path =~ s/^~[^\/]*//; # skip ~login
1496		1785
1497	my ($match, $specificity);	1786	my ($match, $specificity);
1498		1787
1499	for my $region (list) {	1788	for my $region (list) {
1500	if ($region->{match} && $path =~ $region->{match}) {	1789	if ($region->{match} && $path =~ $region->{match}) {
…		…
1526	our $MAX_RESET = 3600;	1815	our $MAX_RESET = 3600;
1527	our $DEFAULT_RESET = 3000;	1816	our $DEFAULT_RESET = 3000;
1528		1817
1529	sub generate_random_map {	1818	sub generate_random_map {
1530	my ($self, $rmp) = @_;	1819	my ($self, $rmp) = @_;
		1820
		1821	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1822
1531	# mit "rum" bekleckern, nicht	1823	# mit "rum" bekleckern, nicht
1532	$self->_create_random_map (	1824	$self->_create_random_map (
1533	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1825	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1534	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1826	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1535	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1827	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1536	$rmp->{exit_on_final_map},	1828	$rmp->{exit_on_final_map},
1537	$rmp->{xsize}, $rmp->{ysize},	1829	$rmp->{xsize}, $rmp->{ysize},
1538	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1830	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1539	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1831	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1561		1853
1562	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1854	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1563	}	1855	}
1564		1856
1565	# also paths starting with '/'	1857	# also paths starting with '/'
1566	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1858	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1567		1859
1568	sub thawer_merge {	1860	sub thawer_merge {
1569	my ($self, $merge) = @_;	1861	my ($self, $merge) = @_;
1570		1862
1571	# we have to keep some variables in memory intact	1863	# we have to keep some variables in memory intact
…		…
1657		1949
1658	# the temporary/swap location	1950	# the temporary/swap location
1659	sub save_path {	1951	sub save_path {
1660	my ($self) = @_;	1952	my ($self) = @_;
1661		1953
1662	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1954	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1663	"$TMPDIR/$path.map"	1955	"$TMPDIR/$path.map"
1664	}	1956	}
1665		1957
1666	# the unique path, undef == no special unique path	1958	# the unique path, undef == no special unique path
1667	sub uniq_path {	1959	sub uniq_path {
1668	my ($self) = @_;	1960	my ($self) = @_;
1669		1961
1670	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1962	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1671	"$UNIQUEDIR/$path"	1963	"$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	}	1964	}
1682		1965
1683	sub decay_objects {	1966	sub decay_objects {
1684	my ($self) = @_;	1967	my ($self) = @_;
1685		1968
…		…
1698		1981
1699	sub load_header_from($) {	1982	sub load_header_from($) {
1700	my ($self, $path) = @_;	1983	my ($self, $path) = @_;
1701		1984
1702	utf8::encode $path;	1985	utf8::encode $path;
1703	#aio_open $path, O_RDONLY, 0	1986	my $f = new_from_file cf::object::thawer $path
1704	# or return;
1705
1706	$self->_load_header ($path)
1707	or return;	1987	or return;
		1988
		1989	$self->_load_header ($f)
		1990	or return;
		1991
		1992	local $MAP_LOADING{$self->{path}} = $self;
		1993	$f->resolve_delayed_derefs;
1708		1994
1709	$self->{load_path} = $path;	1995	$self->{load_path} = $path;
1710		1996
1711	1	1997	1
1712	}	1998	}
…		…
1766	sub find {	2052	sub find {
1767	my ($path, $origin) = @_;	2053	my ($path, $origin) = @_;
1768		2054
1769	$path = normalise $path, $origin && $origin->path;	2055	$path = normalise $path, $origin && $origin->path;
1770		2056
		2057	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1771	cf::lock_wait "map_find:$path";	2058	my $guard2 = cf::lock_acquire "map_find:$path";
1772		2059
1773	$cf::MAP{$path} || do {	2060	$cf::MAP{$path} || do {
1774	my $guard = cf::lock_acquire "map_find:$path";
1775	my $map = new_from_path cf::map $path	2061	my $map = new_from_path cf::map $path
1776	or return;	2062	or return;
1777		2063
1778	$map->{last_save} = $cf::RUNTIME;	2064	$map->{last_save} = $cf::RUNTIME;
1779		2065
…		…
1781	or return;	2067	or return;
1782		2068
1783	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2069	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1784	# doing this can freeze the server in a sync job, obviously	2070	# doing this can freeze the server in a sync job, obviously
1785	#$cf::WAIT_FOR_TICK->wait;	2071	#$cf::WAIT_FOR_TICK->wait;
		2072	undef $guard2;
		2073	undef $guard1;
1786	$map->reset;	2074	$map->reset;
1787	undef $guard;
1788	return find $path;	2075	return find $path;
1789	}	2076	}
1790		2077
1791	$cf::MAP{$path} = $map	2078	$cf::MAP{$path} = $map
1792	}	2079	}
1793	}	2080	}
1794		2081
1795	sub pre_load { }	2082	sub pre_load { }
1796	sub post_load { }	2083	#sub post_load { } # XS
1797		2084
1798	sub load {	2085	sub load {
1799	my ($self) = @_;	2086	my ($self) = @_;
1800		2087
1801	local $self->{deny_reset} = 1; # loading can take a long time	2088	local $self->{deny_reset} = 1; # loading can take a long time
1802		2089
1803	my $path = $self->{path};	2090	my $path = $self->{path};
1804		2091
1805	{	2092	{
1806	my $guard = cf::lock_acquire "map_load:$path";	2093	my $guard = cf::lock_acquire "map_data:$path";
1807		2094
		2095	return unless $self->valid;
1808	return if $self->in_memory != cf::MAP_SWAPPED;	2096	return unless $self->in_memory == cf::MAP_SWAPPED;
1809		2097
1810	$self->in_memory (cf::MAP_LOADING);	2098	$self->in_memory (cf::MAP_LOADING);
1811		2099
1812	$self->alloc;	2100	$self->alloc;
1813		2101
1814	$self->pre_load;	2102	$self->pre_load;
1815	Coro::cede;	2103	cf::cede_to_tick;
1816		2104
		2105	my $f = new_from_file cf::object::thawer $self->{load_path};
		2106	$f->skip_block;
1817	$self->_load_objects ($self->{load_path}, 1)	2107	$self->_load_objects ($f)
1818	or return;	2108	or return;
1819		2109
1820	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2110	$self->post_load_original
1821	if delete $self->{load_original};	2111	if delete $self->{load_original};
1822		2112
1823	if (my $uniq = $self->uniq_path) {	2113	if (my $uniq = $self->uniq_path) {
1824	utf8::encode $uniq;	2114	utf8::encode $uniq;
1825	if (aio_open $uniq, O_RDONLY, 0) {	2115	unless (aio_stat $uniq) {
		2116	if (my $f = new_from_file cf::object::thawer $uniq) {
1826	$self->clear_unique_items;	2117	$self->clear_unique_items;
1827	$self->_load_objects ($uniq, 0);	2118	$self->_load_objects ($f);
		2119	$f->resolve_delayed_derefs;
		2120	}
1828	}	2121	}
1829	}	2122	}
1830		2123
1831	Coro::cede;	2124	$f->resolve_delayed_derefs;
		2125
		2126	cf::cede_to_tick;
1832	# now do the right thing for maps	2127	# now do the right thing for maps
1833	$self->link_multipart_objects;	2128	$self->link_multipart_objects;
1834	$self->difficulty ($self->estimate_difficulty)	2129	$self->difficulty ($self->estimate_difficulty)
1835	unless $self->difficulty;	2130	unless $self->difficulty;
1836	Coro::cede;	2131	cf::cede_to_tick;
1837		2132
1838	unless ($self->{deny_activate}) {	2133	unless ($self->{deny_activate}) {
1839	$self->decay_objects;	2134	$self->decay_objects;
1840	$self->fix_auto_apply;	2135	$self->fix_auto_apply;
1841	$self->update_buttons;	2136	$self->update_buttons;
1842	Coro::cede;	2137	cf::cede_to_tick;
1843	$self->set_darkness_map;
1844	Coro::cede;
1845	$self->activate;	2138	$self->activate;
1846	}	2139	}
1847		2140
		2141	$self->{last_save} = $cf::RUNTIME;
		2142	$self->last_access ($cf::RUNTIME);
		2143
1848	$self->in_memory (cf::MAP_IN_MEMORY);	2144	$self->in_memory (cf::MAP_ACTIVE);
1849	}	2145	}
1850		2146
1851	$self->post_load;	2147	$self->post_load;
1852	}	2148	}
1853		2149
		2150	# customize the map for a given player, i.e.
		2151	# return the _real_ map. used by e.g. per-player
		2152	# maps to change the path to ~playername/mappath
1854	sub customise_for {	2153	sub customise_for {
1855	my ($self, $ob) = @_;	2154	my ($self, $ob) = @_;
1856		2155
1857	return find "~" . $ob->name . "/" . $self->{path}	2156	return find "~" . $ob->name . "/" . $self->{path}
1858	if $self->per_player;	2157	if $self->per_player;
…		…
1862		2161
1863	$self	2162	$self
1864	}	2163	}
1865		2164
1866	# find and load all maps in the 3x3 area around a map	2165	# find and load all maps in the 3x3 area around a map
1867	sub load_diag {	2166	sub load_neighbours {
1868	my ($map) = @_;	2167	my ($map) = @_;
1869		2168
1870	my @diag; # diagonal neighbours	2169	my @neigh; # diagonal neighbours
1871		2170
1872	for (0 .. 3) {	2171	for (0 .. 3) {
1873	my $neigh = $map->tile_path ($_)	2172	my $neigh = $map->tile_path ($_)
1874	or next;	2173	or next;
1875	$neigh = find $neigh, $map	2174	$neigh = find $neigh, $map
1876	or next;	2175	or next;
1877	$neigh->load;	2176	$neigh->load;
1878		2177
		2178	# now find the diagonal neighbours
		2179	push @neigh,
1879	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2180	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1880	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2181	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1881	}	2182	}
1882		2183
1883	for (@diag) {	2184	for (grep defined $_->[0], @neigh) {
		2185	my ($path, $origin) = @$_;
1884	my $neigh = find @$_	2186	my $neigh = find $path, $origin
1885	or next;	2187	or next;
1886	$neigh->load;	2188	$neigh->load;
1887	}	2189	}
1888	}	2190	}
1889		2191
…		…
1894	}	2196	}
1895		2197
1896	sub do_load_sync {	2198	sub do_load_sync {
1897	my ($map) = @_;	2199	my ($map) = @_;
1898		2200
		2201	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2202	if $Coro::current == $Coro::main;
		2203
1899	cf::sync_job { $map->load };	2204	cf::sync_job { $map->load };
1900	}	2205	}
1901		2206
1902	our %MAP_PREFETCH;	2207	our %MAP_PREFETCH;
1903	our $MAP_PREFETCHER = undef;	2208	our $MAP_PREFETCHER = undef;
1904		2209
1905	sub find_async {	2210	sub find_async {
1906	my ($path, $origin) = @_;	2211	my ($path, $origin, $load) = @_;
1907		2212
1908	$path = normalise $path, $origin && $origin->{path};	2213	$path = normalise $path, $origin && $origin->{path};
1909		2214
1910	if (my $map = $cf::MAP{$path}) {	2215	if (my $map = $cf::MAP{$path}) {
1911	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2216	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1912	}	2217	}
1913		2218
1914	undef $MAP_PREFETCH{$path};	2219	$MAP_PREFETCH{$path} |= $load;
		2220
1915	$MAP_PREFETCHER ||= cf::async {	2221	$MAP_PREFETCHER ||= cf::async {
		2222	$Coro::current->{desc} = "map prefetcher";
		2223
1916	while (%MAP_PREFETCH) {	2224	while (%MAP_PREFETCH) {
1917	for my $path (keys %MAP_PREFETCH) {	2225	while (my ($k, $v) = each %MAP_PREFETCH) {
1918	if (my $map = find $path) {	2226	if (my $map = find $k) {
1919	$map->load;	2227	$map->load if $v;
1920	}	2228	}
1921		2229
1922	delete $MAP_PREFETCH{$path};	2230	delete $MAP_PREFETCH{$k};
1923	}	2231	}
1924	}	2232	}
1925	undef $MAP_PREFETCHER;	2233	undef $MAP_PREFETCHER;
1926	};	2234	};
1927	$MAP_PREFETCHER->prio (6);	2235	$MAP_PREFETCHER->prio (6);
1928		2236
1929	()	2237	()
1930	}	2238	}
1931		2239
		2240	# common code, used by both ->save and ->swapout
1932	sub save {	2241	sub _save {
1933	my ($self) = @_;	2242	my ($self) = @_;
1934
1935	my $lock = cf::lock_acquire "map_data:" . $self->path;
1936		2243
1937	$self->{last_save} = $cf::RUNTIME;	2244	$self->{last_save} = $cf::RUNTIME;
1938		2245
1939	return unless $self->dirty;	2246	return unless $self->dirty;
1940		2247
…		…
1946	return if $self->{deny_save};	2253	return if $self->{deny_save};
1947		2254
1948	local $self->{last_access} = $self->last_access;#d#	2255	local $self->{last_access} = $self->last_access;#d#
1949		2256
1950	cf::async {	2257	cf::async {
		2258	$Coro::current->{desc} = "map player save";
1951	$_->contr->save for $self->players;	2259	$_->contr->save for $self->players;
1952	};	2260	};
		2261
		2262	cf::get_slot 0.02;
1953		2263
1954	if ($uniq) {	2264	if ($uniq) {
1955	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2265	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1956	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2266	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1957	} else {	2267	} else {
1958	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2268	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1959	}	2269	}
1960	}	2270	}
1961		2271
		2272	sub save {
		2273	my ($self) = @_;
		2274
		2275	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2276
		2277	$self->_save;
		2278	}
		2279
1962	sub swap_out {	2280	sub swap_out {
1963	my ($self) = @_;	2281	my ($self) = @_;
1964		2282
1965	# save first because save cedes
1966	$self->save;
1967
1968	my $lock = cf::lock_acquire "map_data:" . $self->path;	2283	my $lock = cf::lock_acquire "map_data:$self->{path}";
1969		2284
		2285	return if $self->in_memory != cf::MAP_ACTIVE;
		2286	return if $self->{deny_save};
1970	return if $self->players;	2287	return if $self->players;
1971	return if $self->in_memory != cf::MAP_IN_MEMORY;
1972	return if $self->{deny_save};
1973		2288
		2289	# first deactivate the map and "unlink" it from the core
		2290	$self->deactivate;
		2291	$_->clear_links_to ($self) for values %cf::MAP;
		2292	$self->in_memory (cf::MAP_SWAPPED);
		2293
		2294	# then atomically save
		2295	$self->_save;
		2296
		2297	# then free the map
1974	$self->clear;	2298	$self->clear;
1975	$self->in_memory (cf::MAP_SWAPPED);
1976	}	2299	}
1977		2300
1978	sub reset_at {	2301	sub reset_at {
1979	my ($self) = @_;	2302	my ($self) = @_;
1980		2303
…		…
1998		2321
1999	my $lock = cf::lock_acquire "map_data:$self->{path}";	2322	my $lock = cf::lock_acquire "map_data:$self->{path}";
2000		2323
2001	return if $self->players;	2324	return if $self->players;
2002		2325
2003	warn "resetting map ", $self->path;	2326	cf::trace "resetting map ", $self->path, "\n";
2004		2327
2005	$self->in_memory (cf::MAP_SWAPPED);	2328	$self->in_memory (cf::MAP_SWAPPED);
2006		2329
2007	# need to save uniques path	2330	# need to save uniques path
2008	unless ($self->{deny_save}) {	2331	unless ($self->{deny_save}) {
…		…
2012	if $uniq;	2335	if $uniq;
2013	}	2336	}
2014		2337
2015	delete $cf::MAP{$self->path};	2338	delete $cf::MAP{$self->path};
2016		2339
		2340	$self->deactivate;
		2341	$_->clear_links_to ($self) for values %cf::MAP;
2017	$self->clear;	2342	$self->clear;
2018
2019	$_->clear_links_to ($self) for values %cf::MAP;
2020		2343
2021	$self->unlink_save;	2344	$self->unlink_save;
2022	$self->destroy;	2345	$self->destroy;
2023	}	2346	}
2024		2347
2025	my $nuke_counter = "aaaa";	2348	my $nuke_counter = "aaaa";
2026		2349
2027	sub nuke {	2350	sub nuke {
2028	my ($self) = @_;	2351	my ($self) = @_;
2029		2352
		2353	{
		2354	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2355
2030	delete $cf::MAP{$self->path};	2356	delete $cf::MAP{$self->path};
2031		2357
2032	$self->unlink_save;	2358	$self->unlink_save;
2033		2359
2034	bless $self, "cf::map";	2360	bless $self, "cf::map::wrap";
2035	delete $self->{deny_reset};	2361	delete $self->{deny_reset};
2036	$self->{deny_save} = 1;	2362	$self->{deny_save} = 1;
2037	$self->reset_timeout (1);	2363	$self->reset_timeout (1);
2038	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2364	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2039		2365
2040	$cf::MAP{$self->path} = $self;	2366	$cf::MAP{$self->path} = $self;
		2367	}
2041		2368
2042	$self->reset; # polite request, might not happen	2369	$self->reset; # polite request, might not happen
2043	}	2370	}
2044		2371
2045	=item $maps = cf::map::tmp_maps	2372	=item $maps = cf::map::tmp_maps
…		…
2087		2414
2088	sub unique_maps() {	2415	sub unique_maps() {
2089	[	2416	[
2090	map {	2417	map {
2091	utf8::decode $_;	2418	utf8::decode $_;
2092	/\.map$/	2419	s/\.map$//; # TODO future compatibility hack
		2420	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2421	? ()
2093	? normalise $_	2422	: normalise $_
2094	: ()
2095	} @{ aio_readdir $UNIQUEDIR or [] }	2423	} @{ aio_readdir $UNIQUEDIR or [] }
2096	]	2424	]
2097	}	2425	}
2098		2426
2099	package cf;	2427	=item cf::map::static_maps
		2428
		2429	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2430	file in the shared directory excluding F</styles> and F</editor>). May
		2431	block.
		2432
		2433	=cut
		2434
		2435	sub static_maps() {
		2436	my @dirs = "";
		2437	my @maps;
		2438
		2439	while (@dirs) {
		2440	my $dir = shift @dirs;
		2441
		2442	next if $dir eq "/styles" || $dir eq "/editor";
		2443
		2444	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2445	or return;
		2446
		2447	for (@$files) {
		2448	s/\.map$// or next;
		2449	utf8::decode $_;
		2450	push @maps, "$dir/$_";
		2451	}
		2452
		2453	push @dirs, map "$dir/$_", @$dirs;
		2454	}
		2455
		2456	\@maps
		2457	}
2100		2458
2101	=back	2459	=back
2102		2460
2103	=head3 cf::object	2461	=head3 cf::object
2104		2462
…		…
2108		2466
2109	=over 4	2467	=over 4
2110		2468
2111	=item $ob->inv_recursive	2469	=item $ob->inv_recursive
2112		2470
2113	Returns the inventory of the object _and_ their inventories, recursively.	2471	Returns the inventory of the object I<and> their inventories, recursively,
		2472	but I<not> the object itself.
2114		2473
2115	=cut	2474	=cut
2116		2475
2117	sub inv_recursive_;	2476	sub inv_recursive_;
2118	sub inv_recursive_ {	2477	sub inv_recursive_ {
…		…
2121		2480
2122	sub inv_recursive {	2481	sub inv_recursive {
2123	inv_recursive_ inv $_[0]	2482	inv_recursive_ inv $_[0]
2124	}	2483	}
2125		2484
		2485	=item $ref = $ob->ref
		2486
		2487	Creates and returns a persistent reference to an object that can be stored as a string.
		2488
		2489	=item $ob = cf::object::deref ($refstring)
		2490
		2491	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2492	even if the object actually exists. May block.
		2493
		2494	=cut
		2495
		2496	sub deref {
		2497	my ($ref) = @_;
		2498
		2499	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2500	my ($uuid, $name) = ($1, $2);
		2501	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2502	or return;
		2503	$pl->ob->uuid eq $uuid
		2504	or return;
		2505
		2506	$pl->ob
		2507	} else {
		2508	warn "$ref: cannot resolve object reference\n";
		2509	undef
		2510	}
		2511	}
		2512
2126	package cf;	2513	package cf;
2127		2514
2128	=back	2515	=back
2129		2516
2130	=head3 cf::object::player	2517	=head3 cf::object::player
…		…
2136	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2523	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	2524	can be C<undef>. Does the right thing when the player is currently in a
2138	dialogue with the given NPC character.	2525	dialogue with the given NPC character.
2139		2526
2140	=cut	2527	=cut
		2528
		2529	our $SAY_CHANNEL = {
		2530	id => "say",
		2531	title => "Map",
		2532	reply => "say ",
		2533	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2534	};
		2535
		2536	our $CHAT_CHANNEL = {
		2537	id => "chat",
		2538	title => "Chat",
		2539	reply => "chat ",
		2540	tooltip => "Player chat and shouts, global to the server.",
		2541	};
2141		2542
2142	# rough implementation of a future "reply" method that works	2543	# rough implementation of a future "reply" method that works
2143	# with dialog boxes.	2544	# with dialog boxes.
2144	#TODO: the first argument must go, split into a $npc->reply_to ( method	2545	#TODO: the first argument must go, split into a $npc->reply_to ( method
2145	sub cf::object::player::reply($$$;$) {	2546	sub cf::object::player::reply($$$;$) {
…		…
2152		2553
2153	} else {	2554	} else {
2154	my $pl = $self->contr;	2555	my $pl = $self->contr;
2155		2556
2156	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2557	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2157	my $diag = $pl->{npc_dialog};	2558	my $dialog = $pl->{npc_dialog};
2158	$diag->{pl}->ext_reply (	2559	$dialog->{pl}->ext_msg ($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		2560
2165	} else {	2561	} else {
2166	$msg = $npc->name . " says: $msg" if $npc;	2562	$msg = $npc->name . " says: $msg" if $npc;
2167	$self->message ($msg, $flags);	2563	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2168	}	2564	}
2169	}	2565	}
		2566	}
		2567
		2568	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2569
		2570	=cut
		2571
		2572	sub cf::object::send_msg {
		2573	my $pl = shift->contr
		2574	or return;
		2575	$pl->send_msg (@_);
2170	}	2576	}
2171		2577
2172	=item $player_object->may ("access")	2578	=item $player_object->may ("access")
2173		2579
2174	Returns wether the given player is authorized to access resource "access"	2580	Returns wether the given player is authorized to access resource "access"
…		…
2187		2593
2188	=item $player_object->enter_link	2594	=item $player_object->enter_link
2189		2595
2190	Freezes the player and moves him/her to a special map (C<{link}>).	2596	Freezes the player and moves him/her to a special map (C<{link}>).
2191		2597
2192	The player should be reasonably safe there for short amounts of time. You	2598	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.	2599	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2600	though, as the player cannot control the character while it is on the link
		2601	map.
2194		2602
2195	Will never block.	2603	Will never block.
2196		2604
2197	=item $player_object->leave_link ($map, $x, $y)	2605	=item $player_object->leave_link ($map, $x, $y)
2198		2606
…		…
2218	sub cf::object::player::enter_link {	2626	sub cf::object::player::enter_link {
2219	my ($self) = @_;	2627	my ($self) = @_;
2220		2628
2221	$self->deactivate_recursive;	2629	$self->deactivate_recursive;
2222		2630
		2631	++$self->{_link_recursion};
		2632
2223	return if UNIVERSAL::isa $self->map, "ext::map_link";	2633	return if UNIVERSAL::isa $self->map, "ext::map_link";
2224		2634
2225	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2635	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2226	if $self->map && $self->map->{path} ne "{link}";	2636	if $self->map && $self->map->{path} ne "{link}";
2227		2637
2228	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2638	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2229	}	2639	}
2230		2640
2231	sub cf::object::player::leave_link {	2641	sub cf::object::player::leave_link {
2232	my ($self, $map, $x, $y) = @_;	2642	my ($self, $map, $x, $y) = @_;
2233		2643
…		…
2250	($x, $y) = (-1, -1)	2660	($x, $y) = (-1, -1)
2251	unless (defined $x) && (defined $y);	2661	unless (defined $x) && (defined $y);
2252		2662
2253	# use -1 or undef as default coordinates, not 0, 0	2663	# use -1 or undef as default coordinates, not 0, 0
2254	($x, $y) = ($map->enter_x, $map->enter_y)	2664	($x, $y) = ($map->enter_x, $map->enter_y)
2255	if $x <=0 && $y <= 0;	2665	if $x <= 0 && $y <= 0;
2256		2666
2257	$map->load;	2667	$map->load;
2258	$map->load_diag;	2668	$map->load_neighbours;
2259		2669
2260	return unless $self->contr->active;	2670	return unless $self->contr->active;
2261	$self->activate_recursive;
2262		2671
2263	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2672	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2264	$self->enter_map ($map, $x, $y);	2673	if ($self->enter_map ($map, $x, $y)) {
2265	}	2674	# entering was successful
		2675	delete $self->{_link_recursion};
		2676	# only activate afterwards, to support waiting in hooks
		2677	$self->activate_recursive;
		2678	}
2266		2679
		2680	}
		2681
2267	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2682	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2268		2683
2269	Moves the player to the given map-path and coordinates by first freezing	2684	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	2685	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	2686	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	2687	the new (success) or old (failed) map position. In either case, $done will
2273	be called at the end of this process.	2688	be called at the end of this process.
2274		2689
		2690	Note that $check will be called with a potentially non-loaded map, so if
		2691	it needs a loaded map it has to call C<< ->load >>.
		2692
2275	=cut	2693	=cut
2276		2694
2277	our $GOTOGEN;	2695	our $GOTOGEN;
2278		2696
2279	sub cf::object::player::goto {	2697	sub cf::object::player::goto {
2280	my ($self, $path, $x, $y, $check, $done) = @_;	2698	my ($self, $path, $x, $y, $check, $done) = @_;
2281		2699
		2700	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2701	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2702	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2703	($path, $x, $y) = @$EMERGENCY_POSITION;
		2704	}
		2705
2282	# do generation counting so two concurrent goto's will be executed in-order	2706	# do generation counting so two concurrent goto's will be executed in-order
2283	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2707	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2284		2708
2285	$self->enter_link;	2709	$self->enter_link;
2286		2710
2287	(async {	2711	(async {
		2712	$Coro::current->{desc} = "player::goto $path $x $y";
		2713
		2714	# *tag paths override both path and x|y
		2715	if ($path =~ /^\*(.*)$/) {
		2716	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2717	my $ob = $obs[rand @obs];
		2718
		2719	# see if we actually can go there
		2720	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2721	$ob = $obs[rand @obs];
		2722	} else {
		2723	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2724	}
		2725	# else put us there anyways for now #d#
		2726
		2727	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2728	} else {
		2729	($path, $x, $y) = (undef, undef, undef);
		2730	}
		2731	}
		2732
2288	my $map = eval {	2733	my $map = eval {
2289	my $map = cf::map::find $path;	2734	my $map = defined $path ? cf::map::find $path : undef;
2290		2735
2291	if ($map) {	2736	if ($map) {
2292	$map = $map->customise_for ($self);	2737	$map = $map->customise_for ($self);
2293	$map = $check->($map) if $check && $map;	2738	$map = $check->($map, $x, $y, $self) if $check && $map;
2294	} else {	2739	} else {
2295	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2740	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2296	}	2741	}
2297		2742
2298	$map	2743	$map
2299	};	2744	};
2300		2745
…		…
2306	if ($gen == $self->{_goto_generation}) {	2751	if ($gen == $self->{_goto_generation}) {
2307	delete $self->{_goto_generation};	2752	delete $self->{_goto_generation};
2308	$self->leave_link ($map, $x, $y);	2753	$self->leave_link ($map, $x, $y);
2309	}	2754	}
2310		2755
2311	$done->() if $done;	2756	$done->($self) if $done;
2312	})->prio (1);	2757	})->prio (1);
2313	}	2758	}
2314		2759
2315	=item $player_object->enter_exit ($exit_object)	2760	=item $player_object->enter_exit ($exit_object)
2316		2761
…		…
2336	}	2781	}
2337		2782
2338	sub prepare_random_map {	2783	sub prepare_random_map {
2339	my ($exit) = @_;	2784	my ($exit) = @_;
2340		2785
2341	my $guard = cf::lock_acquire "exit_prepare:$exit";
2342
2343	# all this does is basically replace the /! path by	2786	# all this does is basically replace the /! path by
2344	# a new random map path (?random/...) with a seed	2787	# a new random map path (?random/...) with a seed
2345	# that depends on the exit object	2788	# that depends on the exit object
2346		2789
2347	my $rmp = parse_random_map_params $exit->msg;	2790	my $rmp = parse_random_map_params $exit->msg;
…		…
2349	if ($exit->map) {	2792	if ($exit->map) {
2350	$rmp->{region} = $exit->region->name;	2793	$rmp->{region} = $exit->region->name;
2351	$rmp->{origin_map} = $exit->map->path;	2794	$rmp->{origin_map} = $exit->map->path;
2352	$rmp->{origin_x} = $exit->x;	2795	$rmp->{origin_x} = $exit->x;
2353	$rmp->{origin_y} = $exit->y;	2796	$rmp->{origin_y} = $exit->y;
		2797
		2798	$exit->map->touch;
2354	}	2799	}
2355		2800
2356	$rmp->{random_seed} ||= $exit->random_seed;	2801	$rmp->{random_seed} ||= $exit->random_seed;
2357		2802
2358	my $data = cf::to_json $rmp;	2803	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2359	my $md5 = Digest::MD5::md5_hex $data;	2804	my $md5 = Digest::MD5::md5_hex $data;
2360	my $meta = "$RANDOMDIR/$md5.meta";	2805	my $meta = "$RANDOMDIR/$md5.meta";
2361		2806
2362	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2807	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2363	aio_write $fh, 0, (length $data), $data, 0;	2808	aio_write $fh, 0, (length $data), $data, 0;
2364	undef $fh;	2809	undef $fh;
2365	aio_rename "$meta~", $meta;	2810	aio_rename "$meta~", $meta;
2366		2811
		2812	my $slaying = "?random/$md5";
		2813
		2814	if ($exit->valid) {
2367	$exit->slaying ("?random/$md5");	2815	$exit->slaying ("?random/$md5");
2368	$exit->msg (undef);	2816	$exit->msg (undef);
		2817	}
2369	}	2818	}
2370	}	2819	}
2371		2820
2372	sub cf::object::player::enter_exit {	2821	sub cf::object::player::enter_exit {
2373	my ($self, $exit) = @_;	2822	my ($self, $exit) = @_;
2374		2823
2375	return unless $self->type == cf::PLAYER;	2824	return unless $self->type == cf::PLAYER;
2376		2825
2377	if ($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;	2826	$self->enter_link;
2389		2827
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 {	2828	(async {
2395	$self->deactivate_recursive; # just to be sure	2829	$Coro::current->{desc} = "enter_exit";
		2830
2396	unless (eval {	2831	unless (eval {
		2832	$self->deactivate_recursive; # just to be sure
		2833
		2834	# random map handling
		2835	{
		2836	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2837
		2838	prepare_random_map $exit
		2839	if $exit->slaying eq "/!";
		2840	}
		2841
		2842	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2843	my $x = $exit->stats->hp;
		2844	my $y = $exit->stats->sp;
		2845
2397	$self->goto ($slaying, $hp, $sp);	2846	$self->goto ($map, $x, $y);
2398		2847
		2848	# if exit is damned, update players death & WoR home-position
		2849	$self->contr->savebed ($map, $x, $y)
		2850	if $exit->flag (cf::FLAG_DAMNED);
		2851
2399	1;	2852	1
2400	}) {	2853	}) {
2401	$self->message ("Something went wrong deep within the crossfire server. "	2854	$self->message ("Something went wrong deep within the deliantra server. "
2402	. "I'll try to bring you back to the map you were before. "	2855	. "I'll try to bring you back to the map you were before. "
2403	. "Please report this to the dungeon master!",	2856	. "Please report this to the dungeon master!",
2404	cf::NDI_UNIQUE | cf::NDI_RED);	2857	cf::NDI_UNIQUE | cf::NDI_RED);
2405		2858
2406	warn "ERROR in enter_exit: $@";	2859	error "ERROR in enter_exit: $@";
2407	$self->leave_link;	2860	$self->leave_link;
2408	}	2861	}
2409	})->prio (1);	2862	})->prio (1);
2410	}	2863	}
2411		2864
…		…
2425		2878
2426	utf8::encode $text;	2879	utf8::encode $text;
2427	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2880	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2428	}	2881	}
2429		2882
		2883	=item $client->send_big_packet ($pkt)
		2884
		2885	Like C<send_packet>, but tries to compress large packets, and fragments
		2886	them as required.
		2887
		2888	=cut
		2889
		2890	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2891
		2892	sub cf::client::send_big_packet {
		2893	my ($self, $pkt) = @_;
		2894
		2895	# try lzf for large packets
		2896	$pkt = "lzf " . Compress::LZF::compress $pkt
		2897	if 1024 <= length $pkt and $self->{can_lzf};
		2898
		2899	# split very large packets
		2900	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2901	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2902	$pkt = "frag";
		2903	}
		2904
		2905	$self->send_packet ($pkt);
		2906	}
		2907
2430	=item $client->send_msg ($color, $type, $msg, [extra...])	2908	=item $client->send_msg ($channel, $msg, $color, [extra...])
2431		2909
2432	Send a drawinfo or msg packet to the client, formatting the msg for the	2910	Send a drawinfo or msg packet to the client, formatting the msg for the
2433	client if neccessary. C<$type> should be a string identifying the type of	2911	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	2912	the message, with C<log> being the default. If C<$color> is negative, suppress
2435	the message unless the client supports the msg packet.	2913	the message unless the client supports the msg packet.
2436		2914
2437	=cut	2915	=cut
2438		2916
		2917	# non-persistent channels (usually the info channel)
		2918	our %CHANNEL = (
		2919	"c/motd" => {
		2920	id => "infobox",
		2921	title => "MOTD",
		2922	reply => undef,
		2923	tooltip => "The message of the day",
		2924	},
		2925	"c/identify" => {
		2926	id => "infobox",
		2927	title => "Identify",
		2928	reply => undef,
		2929	tooltip => "Items recently identified",
		2930	},
		2931	"c/examine" => {
		2932	id => "infobox",
		2933	title => "Examine",
		2934	reply => undef,
		2935	tooltip => "Signs and other items you examined",
		2936	},
		2937	"c/shopinfo" => {
		2938	id => "infobox",
		2939	title => "Shop Info",
		2940	reply => undef,
		2941	tooltip => "What your bargaining skill tells you about the shop",
		2942	},
		2943	"c/book" => {
		2944	id => "infobox",
		2945	title => "Book",
		2946	reply => undef,
		2947	tooltip => "The contents of a note or book",
		2948	},
		2949	"c/lookat" => {
		2950	id => "infobox",
		2951	title => "Look",
		2952	reply => undef,
		2953	tooltip => "What you saw there",
		2954	},
		2955	"c/who" => {
		2956	id => "infobox",
		2957	title => "Players",
		2958	reply => undef,
		2959	tooltip => "Shows players who are currently online",
		2960	},
		2961	"c/body" => {
		2962	id => "infobox",
		2963	title => "Body Parts",
		2964	reply => undef,
		2965	tooltip => "Shows which body parts you posess and are available",
		2966	},
		2967	"c/statistics" => {
		2968	id => "infobox",
		2969	title => "Statistics",
		2970	reply => undef,
		2971	tooltip => "Shows your primary statistics",
		2972	},
		2973	"c/skills" => {
		2974	id => "infobox",
		2975	title => "Skills",
		2976	reply => undef,
		2977	tooltip => "Shows your experience per skill and item power",
		2978	},
		2979	"c/shopitems" => {
		2980	id => "infobox",
		2981	title => "Shop Items",
		2982	reply => undef,
		2983	tooltip => "Shows the items currently for sale in this shop",
		2984	},
		2985	"c/resistances" => {
		2986	id => "infobox",
		2987	title => "Resistances",
		2988	reply => undef,
		2989	tooltip => "Shows your resistances",
		2990	},
		2991	"c/pets" => {
		2992	id => "infobox",
		2993	title => "Pets",
		2994	reply => undef,
		2995	tooltip => "Shows information abotu your pets/a specific pet",
		2996	},
		2997	"c/perceiveself" => {
		2998	id => "infobox",
		2999	title => "Perceive Self",
		3000	reply => undef,
		3001	tooltip => "You gained detailed knowledge about yourself",
		3002	},
		3003	"c/uptime" => {
		3004	id => "infobox",
		3005	title => "Uptime",
		3006	reply => undef,
		3007	tooltip => "How long the server has been running since last restart",
		3008	},
		3009	"c/mapinfo" => {
		3010	id => "infobox",
		3011	title => "Map Info",
		3012	reply => undef,
		3013	tooltip => "Information related to the maps",
		3014	},
		3015	"c/party" => {
		3016	id => "party",
		3017	title => "Party",
		3018	reply => "gsay ",
		3019	tooltip => "Messages and chat related to your party",
		3020	},
		3021	"c/death" => {
		3022	id => "death",
		3023	title => "Death",
		3024	reply => undef,
		3025	tooltip => "Reason for and more info about your most recent death",
		3026	},
		3027	"c/say" => $SAY_CHANNEL,
		3028	"c/chat" => $CHAT_CHANNEL,
		3029	);
		3030
2439	sub cf::client::send_msg {	3031	sub cf::client::send_msg {
2440	my ($self, $color, $type, $msg, @extra) = @_;	3032	my ($self, $channel, $msg, $color, @extra) = @_;
2441		3033
2442	$msg = $self->pl->expand_cfpod ($msg);	3034	$msg = $self->pl->expand_cfpod ($msg)
		3035	unless $color & cf::NDI_VERBATIM;
		3036
		3037	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3038
		3039	# check predefined channels, for the benefit of C
		3040	if ($CHANNEL{$channel}) {
		3041	$channel = $CHANNEL{$channel};
		3042
		3043	$self->ext_msg (channel_info => $channel);
		3044	$channel = $channel->{id};
		3045
		3046	} elsif (ref $channel) {
		3047	# send meta info to client, if not yet sent
		3048	unless (exists $self->{channel}{$channel->{id}}) {
		3049	$self->{channel}{$channel->{id}} = $channel;
		3050	$self->ext_msg (channel_info => $channel);
		3051	}
		3052
		3053	$channel = $channel->{id};
		3054	}
2443		3055
2444	return unless @extra || length $msg;	3056	return unless @extra || length $msg;
2445		3057
2446	if ($self->can_msg) {	3058	# default colour, mask it out
2447	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	3059	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2448	} else {	3060	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		3061
2459	if ($color >= 0) {	3062	my $pkt = "msg "
2460	if (0 && $msg =~ /\[/) {	3063	. $self->{json_coder}->encode (
2461	$self->send_packet ("drawextinfo $color 4 0 $msg")	3064	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2462	} else {	3065	);
2463	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2464	$self->send_packet ("drawinfo $color $msg")
2465	}
2466	}
2467	}
2468	}
2469		3066
		3067	$self->send_big_packet ($pkt);
		3068	}
		3069
2470	=item $client->ext_event ($type, %msg)	3070	=item $client->ext_msg ($type, @msg)
2471		3071
2472	Sends an ext event to the client.	3072	Sends an ext event to the client.
2473		3073
2474	=cut	3074	=cut
2475		3075
2476	sub cf::client::ext_event($$%) {	3076	sub cf::client::ext_msg($$@) {
2477	my ($self, $type, %msg) = @_;	3077	my ($self, $type, @msg) = @_;
2478		3078
2479	return unless $self->extcmd;	3079	if ($self->extcmd == 2) {
2480		3080	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3081	} elsif ($self->extcmd == 1) { # TODO: remove
2481	$msg{msgtype} = "event_$type";	3082	push @msg, msgtype => "event_$type";
2482	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3083	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3084	}
		3085	}
		3086
		3087	=item $client->ext_reply ($msgid, @msg)
		3088
		3089	Sends an ext reply to the client.
		3090
		3091	=cut
		3092
		3093	sub cf::client::ext_reply($$@) {
		3094	my ($self, $id, @msg) = @_;
		3095
		3096	if ($self->extcmd == 2) {
		3097	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3098	} elsif ($self->extcmd == 1) {
		3099	#TODO: version 1, remove
		3100	unshift @msg, msgtype => "reply", msgid => $id;
		3101	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3102	}
2483	}	3103	}
2484		3104
2485	=item $success = $client->query ($flags, "text", \&cb)	3105	=item $success = $client->query ($flags, "text", \&cb)
2486		3106
2487	Queues a query to the client, calling the given callback with	3107	Queues a query to the client, calling the given callback with
…		…
2542	my ($ns, $buf) = @_;	3162	my ($ns, $buf) = @_;
2543		3163
2544	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3164	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2545		3165
2546	if (ref $msg) {	3166	if (ref $msg) {
		3167	my ($type, $reply, @payload) =
		3168	"ARRAY" eq ref $msg
		3169	? @$msg
		3170	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3171
		3172	my @reply;
		3173
2547	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3174	if (my $cb = $EXTICMD{$type}) {
2548	if (my %reply = $cb->($ns, $msg)) {	3175	@reply = $cb->($ns, @payload);
2549	$reply{msgid} = $msg->{msgid};
2550	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2551	}
2552	}	3176	}
		3177
		3178	$ns->ext_reply ($reply, @reply)
		3179	if $reply;
		3180
2553	} else {	3181	} else {
2554	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3182	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2555	}	3183	}
2556		3184
2557	cf::override;	3185	cf::override;
2558	},	3186	},
2559	);	3187	);
…		…
2579		3207
2580	$coro	3208	$coro
2581	}	3209	}
2582		3210
2583	cf::client->attach (	3211	cf::client->attach (
2584	on_destroy => sub {	3212	on_client_destroy => sub {
2585	my ($ns) = @_;	3213	my ($ns) = @_;
2586		3214
2587	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3215	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2588	},	3216	},
2589	);	3217	);
…		…
2604	our $safe = new Safe "safe";	3232	our $safe = new Safe "safe";
2605	our $safe_hole = new Safe::Hole;	3233	our $safe_hole = new Safe::Hole;
2606		3234
2607	$SIG{FPE} = 'IGNORE';	3235	$SIG{FPE} = 'IGNORE';
2608		3236
2609	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3237	$safe->permit_only (Opcode::opset qw(
		3238	:base_core :base_mem :base_orig :base_math :base_loop
		3239	grepstart grepwhile mapstart mapwhile
		3240	sort time
		3241	));
2610		3242
2611	# here we export the classes and methods available to script code	3243	# here we export the classes and methods available to script code
2612		3244
2613	=pod	3245	=pod
2614		3246
2615	The following functions and methods are available within a safe environment:	3247	The following functions and methods are available within a safe environment:
2616		3248
2617	cf::object	3249	cf::object
2618	contr pay_amount pay_player map x y force_find force_add	3250	contr pay_amount pay_player map x y force_find force_add destroy
2619	insert remove	3251	insert remove name archname title slaying race decrease split
		3252	value
2620		3253
2621	cf::object::player	3254	cf::object::player
2622	player	3255	player
2623		3256
2624	cf::player	3257	cf::player
…		…
2629		3262
2630	=cut	3263	=cut
2631		3264
2632	for (	3265	for (
2633	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3266	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2634	insert remove)],	3267	insert remove inv nrof name archname title slaying race
		3268	decrease split destroy change_exp value msg lore send_msg)],
2635	["cf::object::player" => qw(player)],	3269	["cf::object::player" => qw(player)],
2636	["cf::player" => qw(peaceful)],	3270	["cf::player" => qw(peaceful send_msg)],
2637	["cf::map" => qw(trigger)],	3271	["cf::map" => qw(trigger)],
2638	) {	3272	) {
2639	no strict 'refs';	3273	no strict 'refs';
2640	my ($pkg, @funs) = @$_;	3274	my ($pkg, @funs) = @$_;
2641	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3275	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2659		3293
2660	my $qcode = $code;	3294	my $qcode = $code;
2661	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3295	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2662	$qcode =~ s/\n/\\n/g;	3296	$qcode =~ s/\n/\\n/g;
2663		3297
		3298	%vars = (_dummy => 0) unless %vars;
		3299
		3300	my @res;
2664	local $_;	3301	local $_;
2665	local @safe::cf::_safe_eval_args = values %vars;
2666		3302
2667	my $eval =	3303	my $eval =
2668	"do {\n"	3304	"do {\n"
2669	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3305	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2670	. "#line 0 \"{$qcode}\"\n"	3306	. "#line 0 \"{$qcode}\"\n"
2671	. $code	3307	. $code
2672	. "\n}"	3308	. "\n}"
2673	;	3309	;
2674		3310
		3311	if ($CFG{safe_eval}) {
2675	sub_generation_inc;	3312	sub_generation_inc;
		3313	local @safe::cf::_safe_eval_args = values %vars;
2676	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3314	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2677	sub_generation_inc;	3315	sub_generation_inc;
		3316	} else {
		3317	local @cf::_safe_eval_args = values %vars;
		3318	@res = wantarray ? eval eval : scalar eval $eval;
		3319	}
2678		3320
2679	if ($@) {	3321	if ($@) {
2680	warn "$@";	3322	warn "$@",
2681	warn "while executing safe code '$code'\n";	3323	"while executing safe code '$code'\n",
2682	warn "with arguments " . (join " ", %vars) . "\n";	3324	"with arguments " . (join " ", %vars) . "\n";
2683	}	3325	}
2684		3326
2685	wantarray ? @res : $res[0]	3327	wantarray ? @res : $res[0]
2686	}	3328	}
2687		3329
…		…
2701	=cut	3343	=cut
2702		3344
2703	sub register_script_function {	3345	sub register_script_function {
2704	my ($fun, $cb) = @_;	3346	my ($fun, $cb) = @_;
2705		3347
2706	no strict 'refs';	3348	$fun = "safe::$fun" if $CFG{safe_eval};
2707	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3349	*$fun = $safe_hole->wrap ($cb);
2708	}	3350	}
2709		3351
2710	=back	3352	=back
2711		3353
2712	=cut	3354	=cut
…		…
2715	# the server's init and main functions	3357	# the server's init and main functions
2716		3358
2717	sub load_facedata($) {	3359	sub load_facedata($) {
2718	my ($path) = @_;	3360	my ($path) = @_;
2719		3361
		3362	# HACK to clear player env face cache, we need some signal framework
		3363	# for this (global event?)
		3364	%ext::player_env::MUSIC_FACE_CACHE = ();
		3365
		3366	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3367
2720	warn "loading facedata from $path\n";	3368	trace "loading facedata from $path\n";
2721		3369
2722	my $facedata;	3370	my $facedata;
2723	0 < aio_load $path, $facedata	3371	0 < aio_load $path, $facedata
2724	or die "$path: $!";	3372	or die "$path: $!";
2725		3373
2726	$facedata = Coro::Storable::thaw $facedata;	3374	$facedata = Coro::Storable::thaw $facedata;
2727		3375
2728	$facedata->{version} == 2	3376	$facedata->{version} == 2
2729	or cf::cleanup "$path: version mismatch, cannot proceed.";	3377	or cf::cleanup "$path: version mismatch, cannot proceed.";
2730		3378
		3379	# patch in the exptable
		3380	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3381	$facedata->{resource}{"res/exp_table"} = {
		3382	type => FT_RSRC,
		3383	data => $exp_table,
		3384	hash => (Digest::MD5::md5 $exp_table),
		3385	};
		3386	cf::cede_to_tick;
		3387
2731	{	3388	{
2732	my $faces = $facedata->{faceinfo};	3389	my $faces = $facedata->{faceinfo};
2733		3390
2734	while (my ($face, $info) = each %$faces) {	3391	while (my ($face, $info) = each %$faces) {
2735	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3392	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3393
2736	cf::face::set_visibility $idx, $info->{visibility};	3394	cf::face::set_visibility $idx, $info->{visibility};
2737	cf::face::set_magicmap $idx, $info->{magicmap};	3395	cf::face::set_magicmap $idx, $info->{magicmap};
2738	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3396	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2739	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3397	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2740		3398
2741	cf::cede_to_tick;	3399	cf::cede_to_tick;
2742	}	3400	}
2743		3401
2744	while (my ($face, $info) = each %$faces) {	3402	while (my ($face, $info) = each %$faces) {
2745	next unless $info->{smooth};	3403	next unless $info->{smooth};
		3404
2746	my $idx = cf::face::find $face	3405	my $idx = cf::face::find $face
2747	or next;	3406	or next;
		3407
2748	if (my $smooth = cf::face::find $info->{smooth}) {	3408	if (my $smooth = cf::face::find $info->{smooth}) {
2749	cf::face::set_smooth $idx, $smooth;	3409	cf::face::set_smooth $idx, $smooth;
2750	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3410	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2751	} else {	3411	} else {
2752	warn "smooth face '$info->{smooth}' not found for face '$face'";	3412	error "smooth face '$info->{smooth}' not found for face '$face'";
2753	}	3413	}
2754		3414
2755	cf::cede_to_tick;	3415	cf::cede_to_tick;
2756	}	3416	}
2757	}	3417	}
…		…
2766		3426
2767	cf::anim::invalidate_all; # d'oh	3427	cf::anim::invalidate_all; # d'oh
2768	}	3428	}
2769		3429
2770	{	3430	{
2771	# TODO: for gcfclient pleasure, we should give resources
2772	# that gcfclient doesn't grok a >10000 face index.
2773	my $res = $facedata->{resource};	3431	my $res = $facedata->{resource};
2774	my $enc = JSON::XS->new->utf8->canonical;
2775		3432
2776	while (my ($name, $info) = each %$res) {	3433	while (my ($name, $info) = each %$res) {
2777	my $meta = $enc->encode ({	3434	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;	3435	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2784		3436
2785	if ($name =~ /\.jpg$/) {
2786	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack	3437	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
2787	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack	3438	cf::face::set_type $idx, $info->{type};
2788	} else {	3439	} else {
2789	my $data = pack "(w/a*)*", $meta, $info->{data};	3440	$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	}	3441	}
2795		3442
2796	cf::cede_to_tick;	3443	cf::cede_to_tick;
2797	}	3444	}
2798	}	3445	}
2799		3446
		3447	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3448
2800	1	3449	1
2801	}	3450	}
2802		3451
		3452	register_exticmd fx_want => sub {
		3453	my ($ns, $want) = @_;
		3454
		3455	while (my ($k, $v) = each %$want) {
		3456	$ns->fx_want ($k, $v);
		3457	}
		3458	};
		3459
		3460	sub load_resource_file($) {
		3461	my $guard = lock_acquire "load_resource_file";
		3462
		3463	my $status = load_resource_file_ $_[0];
		3464	get_slot 0.1, 100;
		3465	cf::arch::commit_load;
		3466
		3467	$status
		3468	}
		3469
2803	sub reload_regions {	3470	sub reload_regions {
		3471	# HACK to clear player env face cache, we need some signal framework
		3472	# for this (global event?)
		3473	%ext::player_env::MUSIC_FACE_CACHE = ();
		3474
2804	load_resource_file "$MAPDIR/regions"	3475	load_resource_file "$MAPDIR/regions"
2805	or die "unable to load regions file\n";	3476	or die "unable to load regions file\n";
2806		3477
2807	for (cf::region::list) {	3478	for (cf::region::list) {
2808	$_->{match} = qr/$_->{match}/	3479	$_->{match} = qr/$_->{match}/
…		…
2816	}	3487	}
2817		3488
2818	sub reload_archetypes {	3489	sub reload_archetypes {
2819	load_resource_file "$DATADIR/archetypes"	3490	load_resource_file "$DATADIR/archetypes"
2820	or die "unable to load archetypes\n";	3491	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	}	3492	}
2827		3493
2828	sub reload_treasures {	3494	sub reload_treasures {
2829	load_resource_file "$DATADIR/treasures"	3495	load_resource_file "$DATADIR/treasures"
2830	or die "unable to load treasurelists\n";	3496	or die "unable to load treasurelists\n";
2831	}	3497	}
2832		3498
		3499	sub reload_sound {
		3500	trace "loading sound config from $DATADIR/sound\n";
		3501
		3502	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3503	or die "$DATADIR/sound $!";
		3504
		3505	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3506
		3507	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3508	my $sound = $soundconf->{compat}[$_]
		3509	or next;
		3510
		3511	my $face = cf::face::find "sound/$sound->[1]";
		3512	cf::sound::set $sound->[0] => $face;
		3513	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3514	}
		3515
		3516	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3517	my $face = cf::face::find "sound/$v";
		3518	cf::sound::set $k => $face;
		3519	}
		3520	}
		3521
2833	sub reload_resources {	3522	sub reload_resources {
2834	warn "reloading resource files...\n";	3523	trace "reloading resource files...\n";
2835		3524
		3525	reload_facedata;
		3526	reload_sound;
		3527	reload_archetypes;
2836	reload_regions;	3528	reload_regions;
2837	reload_facedata;
2838	#reload_archetypes;#d#
2839	reload_archetypes;
2840	reload_treasures;	3529	reload_treasures;
2841		3530
2842	warn "finished reloading resource files\n";	3531	trace "finished reloading resource files\n";
2843	}	3532	}
2844		3533
2845	sub init {	3534	sub reload_config {
2846	reload_resources;	3535	trace "reloading config file...\n";
2847	}
2848		3536
2849	sub cfg_load {
2850	open my $fh, "<:utf8", "$CONFDIR/config"	3537	open my $fh, "<:utf8", "$CONFDIR/config"
2851	or return;	3538	or return;
2852		3539
2853	local $/;	3540	local $/;
2854	*CFG = YAML::Syck::Load <$fh>;	3541	*CFG = YAML::XS::Load scalar <$fh>;
2855		3542
2856	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3543	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2857		3544
2858	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3545	$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};	3546	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2860		3547
2861	if (exists $CFG{mlockall}) {	3548	if (exists $CFG{mlockall}) {
…		…
2863	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3550	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2864	and die "WARNING: m(un)lockall failed: $!\n";	3551	and die "WARNING: m(un)lockall failed: $!\n";
2865	};	3552	};
2866	warn $@ if $@;	3553	warn $@ if $@;
2867	}	3554	}
		3555
		3556	trace "finished reloading resource files\n";
		3557	}
		3558
		3559	sub pidfile() {
		3560	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3561	or die "$PIDFILE: $!";
		3562	flock $fh, &Fcntl::LOCK_EX
		3563	or die "$PIDFILE: flock: $!";
		3564	$fh
		3565	}
		3566
		3567	# make sure only one server instance is running at any one time
		3568	sub atomic {
		3569	my $fh = pidfile;
		3570
		3571	my $pid = <$fh>;
		3572	kill 9, $pid if $pid > 0;
		3573
		3574	seek $fh, 0, 0;
		3575	print $fh $$;
		3576	}
		3577
		3578	sub main_loop {
		3579	trace "EV::loop starting\n";
		3580	if (1) {
		3581	EV::loop;
		3582	}
		3583	trace "EV::loop returned\n";
		3584	goto &main_loop unless $REALLY_UNLOOP;
2868	}	3585	}
2869		3586
2870	sub main {	3587	sub main {
		3588	cf::init_globals; # initialise logging
		3589
		3590	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3591	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3592	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3593	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3594
		3595	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3596
2871	# we must not ever block the main coroutine	3597	# we must not ever block the main coroutine
2872	local $Coro::idle = sub {	3598	local $Coro::idle = sub {
2873	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3599	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2874	(async {	3600	(async {
2875	Event::one_event;	3601	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3602	EV::loop EV::LOOP_ONESHOT;
2876	})->prio (Coro::PRIO_MAX);	3603	})->prio (Coro::PRIO_MAX);
2877	};	3604	};
2878		3605
2879	cfg_load;	3606	evthread_start IO::AIO::poll_fileno;
		3607
		3608	cf::sync_job {
		3609	cf::init_experience;
		3610	cf::init_anim;
		3611	cf::init_attackmess;
		3612	cf::init_dynamic;
		3613
		3614	cf::load_settings;
		3615	cf::load_materials;
		3616
		3617	reload_resources;
		3618	reload_config;
2880	db_init;	3619	db_init;
		3620
		3621	cf::init_uuid;
		3622	cf::init_signals;
		3623	cf::init_skills;
		3624
		3625	cf::init_beforeplay;
		3626
		3627	atomic;
		3628
2881	load_extensions;	3629	load_extensions;
2882		3630
2883	$TICK_WATCHER->start;	3631	utime time, time, $RUNTIMEFILE;
2884	Event::loop;	3632
		3633	# no (long-running) fork's whatsoever before this point(!)
		3634	use POSIX ();
		3635	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3636
		3637	(pop @POST_INIT)->(0) while @POST_INIT;
		3638	};
		3639
		3640	cf::object::thawer::errors_are_fatal 0;
		3641	info "parse errors in files are no longer fatal from this point on.\n";
		3642
		3643	main_loop;
2885	}	3644	}
2886		3645
2887	#############################################################################	3646	#############################################################################
2888	# initialisation and cleanup	3647	# initialisation and cleanup
2889		3648
2890	# install some emergency cleanup handlers	3649	# install some emergency cleanup handlers
2891	BEGIN {	3650	BEGIN {
		3651	our %SIGWATCHER = ();
2892	for my $signal (qw(INT HUP TERM)) {	3652	for my $signal (qw(INT HUP TERM)) {
2893	Event->signal (	3653	$SIGWATCHER{$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";	3654	cf::cleanup "SIG$signal";
2900	},
2901	);	3655	};
2902	}	3656	}
2903	}	3657	}
2904		3658
2905	sub write_runtime {	3659	sub write_runtime_sync {
2906	my $runtime = "$LOCALDIR/runtime";	3660	my $t0 = AE::time;
2907		3661
2908	# first touch the runtime file to show we are still running:	3662	# first touch the runtime file to show we are still running:
2909	# the fsync below can take a very very long time.	3663	# the fsync below can take a very very long time.
2910		3664
2911	IO::AIO::aio_utime $runtime, undef, undef;	3665	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2912		3666
2913	my $guard = cf::lock_acquire "write_runtime";	3667	my $guard = cf::lock_acquire "write_runtime";
2914		3668
2915	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3669	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2916	or return;	3670	or return;
2917		3671
2918	my $value = $cf::RUNTIME + 90 + 10;	3672	my $value = $cf::RUNTIME + 90 + 10;
2919	# 10 is the runtime save interval, for a monotonic clock	3673	# 10 is the runtime save interval, for a monotonic clock
2920	# 60 allows for the watchdog to kill the server.	3674	# 60 allows for the watchdog to kill the server.
…		…
2930	aio_utime $fh, undef, undef;	3684	aio_utime $fh, undef, undef;
2931		3685
2932	close $fh	3686	close $fh
2933	or return;	3687	or return;
2934		3688
2935	aio_rename "$runtime~", $runtime	3689	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2936	and return;	3690	and return;
2937		3691
2938	warn "runtime file written.\n";	3692	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2939		3693
2940	1	3694	1
		3695	}
		3696
		3697	our $uuid_lock;
		3698	our $uuid_skip;
		3699
		3700	sub write_uuid_sync($) {
		3701	$uuid_skip ||= $_[0];
		3702
		3703	return if $uuid_lock;
		3704	local $uuid_lock = 1;
		3705
		3706	my $uuid = "$LOCALDIR/uuid";
		3707
		3708	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3709	or return;
		3710
		3711	my $value = uuid_seq uuid_cur;
		3712
		3713	unless ($value) {
		3714	info "cowardly refusing to write zero uuid value!\n";
		3715	return;
		3716	}
		3717
		3718	my $value = uuid_str $value + $uuid_skip;
		3719	$uuid_skip = 0;
		3720
		3721	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3722	and return;
		3723
		3724	# always fsync - this file is important
		3725	aio_fsync $fh
		3726	and return;
		3727
		3728	close $fh
		3729	or return;
		3730
		3731	aio_rename "$uuid~", $uuid
		3732	and return;
		3733
		3734	trace "uuid file written ($value).\n";
		3735
		3736	1
		3737
		3738	}
		3739
		3740	sub write_uuid($$) {
		3741	my ($skip, $sync) = @_;
		3742
		3743	$sync ? write_uuid_sync $skip
		3744	: async { write_uuid_sync $skip };
2941	}	3745	}
2942		3746
2943	sub emergency_save() {	3747	sub emergency_save() {
2944	my $freeze_guard = cf::freeze_mainloop;	3748	my $freeze_guard = cf::freeze_mainloop;
2945		3749
2946	warn "enter emergency perl save\n";	3750	info "emergency_perl_save: enter\n";
2947		3751
2948	cf::sync_job {	3752	cf::sync_job {
		3753	# this is a trade-off: we want to be very quick here, so
		3754	# save all maps without fsync, and later call a global sync
		3755	# (which in turn might be very very slow)
		3756	local $USE_FSYNC = 0;
		3757
2949	# use a peculiar iteration method to avoid tripping on perl	3758	# use a peculiar iteration method to avoid tripping on perl
2950	# refcount bugs in for. also avoids problems with players	3759	# refcount bugs in for. also avoids problems with players
2951	# and maps saved/destroyed asynchronously.	3760	# and maps saved/destroyed asynchronously.
2952	warn "begin emergency player save\n";	3761	info "emergency_perl_save: begin player save\n";
2953	for my $login (keys %cf::PLAYER) {	3762	for my $login (keys %cf::PLAYER) {
2954	my $pl = $cf::PLAYER{$login} or next;	3763	my $pl = $cf::PLAYER{$login} or next;
2955	$pl->valid or next;	3764	$pl->valid or next;
		3765	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2956	$pl->save;	3766	$pl->save;
2957	}	3767	}
2958	warn "end emergency player save\n";	3768	info "emergency_perl_save: end player save\n";
2959		3769
2960	warn "begin emergency map save\n";	3770	info "emergency_perl_save: begin map save\n";
2961	for my $path (keys %cf::MAP) {	3771	for my $path (keys %cf::MAP) {
2962	my $map = $cf::MAP{$path} or next;	3772	my $map = $cf::MAP{$path} or next;
2963	$map->valid or next;	3773	$map->valid or next;
2964	$map->save;	3774	$map->save;
2965	}	3775	}
2966	warn "end emergency map save\n";	3776	info "emergency_perl_save: end map save\n";
2967		3777
2968	warn "begin emergency database checkpoint\n";	3778	info "emergency_perl_save: begin database checkpoint\n";
2969	BDB::db_env_txn_checkpoint $DB_ENV;	3779	BDB::db_env_txn_checkpoint $DB_ENV;
2970	warn "end emergency database checkpoint\n";	3780	info "emergency_perl_save: end database checkpoint\n";
		3781
		3782	info "emergency_perl_save: begin write uuid\n";
		3783	write_uuid_sync 1;
		3784	info "emergency_perl_save: end write uuid\n";
2971	};	3785	};
2972		3786
2973	warn "leave emergency perl save\n";	3787	info "emergency_perl_save: starting sync()\n";
		3788	IO::AIO::aio_sync sub {
		3789	info "emergency_perl_save: finished sync()\n";
		3790	};
		3791
		3792	info "emergency_perl_save: leave\n";
2974	}	3793	}
2975		3794
2976	sub post_cleanup {	3795	sub post_cleanup {
2977	my ($make_core) = @_;	3796	my ($make_core) = @_;
2978		3797
2979	warn Carp::longmess "post_cleanup backtrace"	3798	error Carp::longmess "post_cleanup backtrace"
2980	if $make_core;	3799	if $make_core;
		3800
		3801	my $fh = pidfile;
		3802	unlink $PIDFILE if <$fh> == $$;
		3803	}
		3804
		3805	# a safer delete_package, copied from Symbol
		3806	sub clear_package($) {
		3807	my $pkg = shift;
		3808
		3809	# expand to full symbol table name if needed
		3810	unless ($pkg =~ /^main::.*::$/) {
		3811	$pkg = "main$pkg" if $pkg =~ /^::/;
		3812	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3813	$pkg .= '::' unless $pkg =~ /::$/;
		3814	}
		3815
		3816	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3817	my $stem_symtab = *{$stem}{HASH};
		3818
		3819	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3820	or return;
		3821
		3822	# clear all symbols
		3823	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3824	for my $name (keys %$leaf_symtab) {
		3825	_gv_clear *{"$pkg$name"};
		3826	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3827	}
2981	}	3828	}
2982		3829
2983	sub do_reload_perl() {	3830	sub do_reload_perl() {
2984	# can/must only be called in main	3831	# can/must only be called in main
2985	if ($Coro::current != $Coro::main) {	3832	if (in_main) {
2986	warn "can only reload from main coroutine";	3833	error "can only reload from main coroutine";
2987	return;	3834	return;
2988	}	3835	}
2989		3836
		3837	return if $RELOAD++;
		3838
		3839	my $t1 = AE::time;
		3840
		3841	while ($RELOAD) {
2990	warn "reloading...";	3842	info "reloading...";
2991		3843
2992	warn "entering sync_job";	3844	trace "entering sync_job";
2993		3845
2994	cf::sync_job {	3846	cf::sync_job {
2995	cf::write_runtime; # external watchdog should not bark	3847	cf::write_runtime_sync; # external watchdog should not bark
2996	cf::emergency_save;	3848	cf::emergency_save;
2997	cf::write_runtime; # external watchdog should not bark	3849	cf::write_runtime_sync; # external watchdog should not bark
2998		3850
2999	warn "syncing database to disk";	3851	trace "syncing database to disk";
3000	BDB::db_env_txn_checkpoint $DB_ENV;	3852	BDB::db_env_txn_checkpoint $DB_ENV;
3001		3853
3002	# if anything goes wrong in here, we should simply crash as we already saved	3854	# if anything goes wrong in here, we should simply crash as we already saved
3003		3855
3004	warn "cancelling all WF_AUTOCANCEL watchers";
3005	for (Event::all_watchers) {
3006	$_->cancel if $_->data & WF_AUTOCANCEL;
3007	}
3008
3009	warn "flushing outstanding aio requests";	3856	trace "flushing outstanding aio requests";
3010	for (;;) {
3011	BDB::flush;
3012	IO::AIO::flush;
3013	Coro::cede;
3014	last unless IO::AIO::nreqs || BDB::nreqs;	3857	while (IO::AIO::nreqs || BDB::nreqs) {
3015	warn "iterate...";	3858	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3016	}
3017
3018	++$RELOAD;
3019
3020	warn "cancelling all extension coros";
3021	$_->cancel for values %EXT_CORO;
3022	%EXT_CORO = ();
3023
3024	warn "removing commands";
3025	%COMMAND = ();
3026
3027	warn "removing ext/exti commands";
3028	%EXTCMD = ();
3029	%EXTICMD = ();
3030
3031	warn "unloading/nuking all extensions";
3032	for my $pkg (@EXTS) {
3033	warn "... unloading $pkg";
3034
3035	if (my $cb = $pkg->can ("unload")) {
3036	eval {
3037	$cb->($pkg);
3038	1
3039	} or warn "$pkg unloaded, but with errors: $@";
3040	}	3859	}
3041		3860
3042	warn "... nuking $pkg";	3861	trace "cancelling all extension coros";
3043	Symbol::delete_package $pkg;	3862	$_->cancel for values %EXT_CORO;
3044	}	3863	%EXT_CORO = ();
3045		3864
3046	warn "unloading all perl modules loaded from $LIBDIR";	3865	trace "removing commands";
3047	while (my ($k, $v) = each %INC) {	3866	%COMMAND = ();
3048	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3049		3867
		3868	trace "removing ext/exti commands";
		3869	%EXTCMD = ();
		3870	%EXTICMD = ();
		3871
		3872	trace "unloading/nuking all extensions";
		3873	for my $pkg (@EXTS) {
3050	warn "... unloading $k";	3874	trace "... unloading $pkg";
3051	delete $INC{$k};
3052		3875
3053	$k =~ s/\.pm$//;
3054	$k =~ s/\//::/g;
3055
3056	if (my $cb = $k->can ("unload_module")) {	3876	if (my $cb = $pkg->can ("unload")) {
		3877	eval {
3057	$cb->();	3878	$cb->($pkg);
		3879	1
		3880	} or error "$pkg unloaded, but with errors: $@";
		3881	}
		3882
		3883	trace "... clearing $pkg";
		3884	clear_package $pkg;
3058	}	3885	}
3059		3886
3060	Symbol::delete_package $k;	3887	trace "unloading all perl modules loaded from $LIBDIR";
		3888	while (my ($k, $v) = each %INC) {
		3889	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3890
		3891	trace "... unloading $k";
		3892	delete $INC{$k};
		3893
		3894	$k =~ s/\.pm$//;
		3895	$k =~ s/\//::/g;
		3896
		3897	if (my $cb = $k->can ("unload_module")) {
		3898	$cb->();
		3899	}
		3900
		3901	clear_package $k;
3061	}	3902	}
3062		3903
3063	warn "getting rid of safe::, as good as possible";	3904	trace "getting rid of safe::, as good as possible";
3064	Symbol::delete_package "safe::$_"	3905	clear_package "safe::$_"
3065	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3906	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3066		3907
3067	warn "unloading cf.pm \"a bit\"";	3908	trace "unloading cf.pm \"a bit\"";
3068	delete $INC{"cf.pm"};	3909	delete $INC{"cf.pm"};
3069	delete $INC{"cf/pod.pm"};	3910	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3070		3911
3071	# don't, removes xs symbols, too,	3912	# don't, removes xs symbols, too,
3072	# and global variables created in xs	3913	# and global variables created in xs
3073	#Symbol::delete_package __PACKAGE__;	3914	#clear_package __PACKAGE__;
3074		3915
3075	warn "unload completed, starting to reload now";	3916	info "unload completed, starting to reload now";
3076		3917
3077	warn "reloading cf.pm";	3918	trace "reloading cf.pm";
3078	require cf;	3919	require cf;
3079	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3920	cf::_connect_to_perl_1;
3080		3921
3081	warn "loading config and database again";	3922	trace "loading config and database again";
3082	cf::cfg_load;	3923	cf::reload_config;
3083		3924
3084	warn "loading extensions";	3925	trace "loading extensions";
3085	cf::load_extensions;	3926	cf::load_extensions;
3086		3927
		3928	if ($REATTACH_ON_RELOAD) {
3087	warn "reattaching attachments to objects/players";	3929	trace "reattaching attachments to objects/players";
3088	_global_reattach; # objects, sockets	3930	_global_reattach; # objects, sockets
3089	warn "reattaching attachments to maps";	3931	trace "reattaching attachments to maps";
3090	reattach $_ for values %MAP;	3932	reattach $_ for values %MAP;
3091	warn "reattaching attachments to players";	3933	trace "reattaching attachments to players";
3092	reattach $_ for values %PLAYER;	3934	reattach $_ for values %PLAYER;
		3935	}
3093		3936
		3937	trace "running post_init jobs";
		3938	(pop @POST_INIT)->(1) while @POST_INIT;
		3939
3094	warn "leaving sync_job";	3940	trace "leaving sync_job";
3095		3941
3096	1	3942	1
3097	} or do {	3943	} or do {
3098	warn $@;	3944	error $@;
3099	warn "error while reloading, exiting.";	3945	cf::cleanup "error while reloading, exiting.";
3100	exit 1;	3946	};
		3947
		3948	info "reloaded";
		3949	--$RELOAD;
3101	};	3950	}
3102		3951
3103	warn "reloaded";	3952	$t1 = AE::time - $t1;
		3953	info "reload completed in ${t1}s\n";
3104	};	3954	};
3105		3955
3106	our $RELOAD_WATCHER; # used only during reload	3956	our $RELOAD_WATCHER; # used only during reload
3107		3957
3108	sub reload_perl() {	3958	sub reload_perl() {
3109	# doing reload synchronously and two reloads happen back-to-back,	3959	# doing reload synchronously and two reloads happen back-to-back,
3110	# coro crashes during coro_state_free->destroy here.	3960	# coro crashes during coro_state_free->destroy here.
3111		3961
3112	$RELOAD_WATCHER ||= Event->timer (	3962	$RELOAD_WATCHER ||= cf::async {
3113	reentrant => 0,	3963	Coro::AIO::aio_wait cache_extensions;
3114	after => 0,	3964
3115	data => WF_AUTOCANCEL,	3965	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3116	cb => sub {
3117	do_reload_perl;	3966	do_reload_perl;
3118	undef $RELOAD_WATCHER;	3967	undef $RELOAD_WATCHER;
3119	},	3968	};
3120	);	3969	};
3121	}	3970	}
3122		3971
3123	register_command "reload" => sub {	3972	register_command "reload" => sub {
3124	my ($who, $arg) = @_;	3973	my ($who, $arg) = @_;
3125		3974
3126	if ($who->flag (FLAG_WIZ)) {	3975	if ($who->flag (FLAG_WIZ)) {
3127	$who->message ("reloading server.");	3976	$who->message ("reloading server.");
		3977	async {
		3978	$Coro::current->{desc} = "perl_reload";
3128	async { reload_perl };	3979	reload_perl;
		3980	};
3129	}	3981	}
3130	};	3982	};
3131		3983
3132	unshift @INC, $LIBDIR;	3984	unshift @INC, $LIBDIR;
3133		3985
…		…
3135		3987
3136	our @WAIT_FOR_TICK;	3988	our @WAIT_FOR_TICK;
3137	our @WAIT_FOR_TICK_BEGIN;	3989	our @WAIT_FOR_TICK_BEGIN;
3138		3990
3139	sub wait_for_tick {	3991	sub wait_for_tick {
3140	return unless $TICK_WATCHER->is_active;
3141	return if $Coro::current == $Coro::main;	3992	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3142		3993
3143	my $signal = new Coro::Signal;	3994	my $signal = new Coro::Signal;
3144	push @WAIT_FOR_TICK, $signal;	3995	push @WAIT_FOR_TICK, $signal;
3145	$signal->wait;	3996	$signal->wait;
3146	}	3997	}
3147		3998
3148	sub wait_for_tick_begin {	3999	sub wait_for_tick_begin {
3149	return unless $TICK_WATCHER->is_active;
3150	return if $Coro::current == $Coro::main;	4000	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3151		4001
3152	my $signal = new Coro::Signal;	4002	my $signal = new Coro::Signal;
3153	push @WAIT_FOR_TICK_BEGIN, $signal;	4003	push @WAIT_FOR_TICK_BEGIN, $signal;
3154	$signal->wait;	4004	$signal->wait;
3155	}	4005	}
3156		4006
3157	my $min = 1e6;#d#	4007	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 != $Coro::main) {	4008	if ($Coro::current != $Coro::main) {
3167	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4009	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3168	unless ++$bug_warning > 10;	4010	unless ++$bug_warning > 10;
3169	return;	4011	return;
3170	}	4012	}
3171		4013
3172	$NOW = $tick_start = Event::time;
3173
3174	cf::server_tick; # one server iteration	4014	cf::server_tick; # one server iteration
3175		4015
3176	0 && sync_job {#d#	4016	#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		4017
3182	$map->width (50);	4018	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3183	$map->height (50);	4019	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3184	$map->alloc;	4020	Coro::async_pool {
3185	$map->_load_objects ("/tmp/x.map", 1);	4021	$Coro::current->{desc} = "runtime saver";
3186	my $t = Event::time - $t;	4022	write_runtime_sync
3187		4023	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	};	4024	};
		4025	}
3198		4026
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) {	4027	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3214	$sig->send;	4028	$sig->send;
3215	}	4029	}
3216	while (my $sig = shift @WAIT_FOR_TICK) {	4030	while (my $sig = shift @WAIT_FOR_TICK) {
3217	$sig->send;	4031	$sig->send;
3218	}	4032	}
3219		4033
3220	$NOW = Event::time;	4034	$LOAD = ($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;	4035	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3230		4036
3231	_post_tick;	4037	if (0) {
3232		4038	if ($NEXT_TICK) {
3233		4039	my $jitter = $TICK_START - $NEXT_TICK;
		4040	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4041	debug "jitter $JITTER\n";#d#
		4042	}
3234	},	4043	}
3235	);	4044	}
3236		4045
3237	{	4046	{
3238	BDB::max_poll_time $TICK * 0.1;	4047	# configure BDB
3239	$BDB_POLL_WATCHER = Event->io (	4048
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;	4049	BDB::min_parallel 16;
3248		4050	BDB::max_poll_reqs $TICK * 0.1;
3249	BDB::set_sync_prepare {	4051	$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	$! = $status;
3260	},
3261	)
3262	};
3263		4052
3264	unless ($DB_ENV) {	4053	unless ($DB_ENV) {
3265	$DB_ENV = BDB::db_env_create;	4054	$DB_ENV = BDB::db_env_create;
		4055	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4056	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4057	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4058	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4059	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3266		4060
		4061	(Coro::async { # async to keep sync_job from complaining
3267	cf::sync_job {	4062	cf::sync_job {
3268	eval {	4063	eval {
3269	BDB::db_env_open	4064	BDB::db_env_open
3270	$DB_ENV,	4065	$DB_ENV,
3271	$BDBDIR,	4066	$BDBDIR,
3272	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4067	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3273	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4068	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3274	0666;	4069	0666;
3275		4070
3276	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4071	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4072	};
3277		4073
3278	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	4074	cf::cleanup "db_env_open(db): $@" if $@;
3279	$DB_ENV->set_lk_detect;
3280	};	4075	};
		4076	})->join;
		4077	}
3281		4078
3282	cf::cleanup "db_env_open(db): $@" if $@;	4079	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3283	};	4080	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3284	}	4081	};
		4082	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4083	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4084	};
		4085	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4086	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4087	};
3285	}	4088	}
3286		4089
3287	{	4090	{
		4091	# configure IO::AIO
		4092
3288	IO::AIO::min_parallel 8;	4093	IO::AIO::min_parallel 8;
3289
3290	undef $Coro::AIO::WATCHER;
3291	IO::AIO::max_poll_time $TICK * 0.1;	4094	IO::AIO::max_poll_time $TICK * 0.1;
3292	$AIO_POLL_WATCHER = Event->io (	4095	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	}	4096	}
3301		4097
3302	my $_log_backtrace;	4098	my $_log_backtrace;
3303		4099
3304	sub _log_backtrace {	4100	sub _log_backtrace {
…		…
3307	$msg =~ s/\n//;	4103	$msg =~ s/\n//;
3308		4104
3309	# limit the # of concurrent backtraces	4105	# limit the # of concurrent backtraces
3310	if ($_log_backtrace < 2) {	4106	if ($_log_backtrace < 2) {
3311	++$_log_backtrace;	4107	++$_log_backtrace;
		4108	my $perl_bt = Carp::longmess $msg;
3312	async {	4109	async {
		4110	$Coro::current->{desc} = "abt $msg";
		4111
3313	my @bt = fork_call {	4112	my @bt = fork_call {
3314	@addr = map { sprintf "%x", $_ } @addr;	4113	@addr = map { sprintf "%x", $_ } @addr;
3315	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4114	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3316	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4115	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3317	or die "addr2line: $!";	4116	or die "addr2line: $!";
…		…
3325	}	4124	}
3326		4125
3327	@funcs	4126	@funcs
3328	};	4127	};
3329		4128
3330	LOG llevInfo, "[ABT] $msg\n";	4129	LOG llevInfo, "[ABT] $perl_bt\n";
		4130	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3331	LOG llevInfo, "[ABT] $_\n" for @bt;	4131	LOG llevInfo, "[ABT] $_\n" for @bt;
3332	--$_log_backtrace;	4132	--$_log_backtrace;
3333	};	4133	};
3334	} else {	4134	} else {
3335	LOG llevInfo, "[ABT] $msg\n";	4135	LOG llevInfo, "[ABT] $msg\n";
3336	LOG llevInfo, "[ABT] [suppressed]\n";	4136	LOG llevInfo, "[ABT] [suppressed]\n";
3337	}	4137	}
3338	}	4138	}
3339		4139
3340	# load additional modules	4140	# load additional modules
3341	use cf::pod;	4141	require "cf/$_.pm" for @EXTRA_MODULES;
		4142	cf::_connect_to_perl_2;
3342		4143
3343	END { cf::emergency_save }	4144	END { cf::emergency_save }
3344		4145
3345	1	4146	1
3346		4147

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