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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.321 by root, Thu Jul 26 21:44:43 2007 UTC vs.
Revision 1.538 by root, Tue May 4 21:45:43 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	}
322	};	413
323	$TICK_WATCHER->stop;	414	=item cf::periodic $interval, $cb
324	$guard	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($$) {
		422	my ($interval, $cb) = @_;
		423
		424	my $start = rand List::Util::min 180, $interval;
		425
		426	EV::periodic $start, $interval, 0, $cb
325	}	427	}
326		428
327	=item cf::get_slot $time[, $priority[, $name]]	429	=item cf::get_slot $time[, $priority[, $name]]
328		430
329	Allocate $time seconds of blocking CPU time at priority C<$priority>:	431	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
337		439
338	=cut	440	=cut
339		441
340	our @SLOT_QUEUE;	442	our @SLOT_QUEUE;
341	our $SLOT_QUEUE;	443	our $SLOT_QUEUE;
		444	our $SLOT_DECAY = 0.9;
342		445
343	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	446	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
344	$SLOT_QUEUE = Coro::async {	447	$SLOT_QUEUE = Coro::async {
		448	$Coro::current->desc ("timeslot manager");
		449
345	my $signal = new Coro::Signal;	450	my $signal = new Coro::Signal;
		451	my $busy;
346		452
347	while () {	453	while () {
348	next_job:	454	next_job:
		455
349	my $avail = cf::till_tick;	456	my $avail = cf::till_tick;
350	if ($avail > 0.01) {	457
351	for (0 .. $#SLOT_QUEUE) {	458	for (0 .. $#SLOT_QUEUE) {
352	if ($SLOT_QUEUE[$_][0] < $avail) {	459	if ($SLOT_QUEUE[$_][0] <= $avail) {
		460	$busy = 0;
353	my $job = splice @SLOT_QUEUE, $_, 1, ();	461	my $job = splice @SLOT_QUEUE, $_, 1, ();
354	$job->[2]->send;	462	$job->[2]->send;
355	Coro::cede;	463	Coro::cede;
356	goto next_job;	464	goto next_job;
357	}	465	} else {
		466	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
358	}	467	}
359	}	468	}
360		469
361	if (@SLOT_QUEUE) {	470	if (@SLOT_QUEUE) {
362	# we do not use wait_For_tick() as it returns immediately when tick is inactive	471	# we do not use wait_for_tick() as it returns immediately when tick is inactive
363	push @cf::WAIT_FOR_TICK, $signal;	472	push @cf::WAIT_FOR_TICK, $signal;
364	$signal->wait;	473	$signal->wait;
365	} else {	474	} else {
		475	$busy = 0;
366	Coro::schedule;	476	Coro::schedule;
367	}	477	}
368	}	478	}
369	};	479	};
370		480
371	sub get_slot($;$$) {	481	sub get_slot($;$$) {
		482	return if tick_inhibit || $Coro::current == $Coro::main;
		483
372	my ($time, $pri, $name) = @_;	484	my ($time, $pri, $name) = @_;
373		485
374	$time = $TICK * .6 if $time > $TICK * .6;	486	$time = clamp $time, 0.01, $TICK * .6;
		487
375	my $sig = new Coro::Signal;	488	my $sig = new Coro::Signal;
376		489
377	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	490	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
378	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	491	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
379	$SLOT_QUEUE->ready;	492	$SLOT_QUEUE->ready;
…		…
390		503
391	BEGIN { *async = \&Coro::async_pool }	504	BEGIN { *async = \&Coro::async_pool }
392		505
393	=item cf::sync_job { BLOCK }	506	=item cf::sync_job { BLOCK }
394		507
395	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	508	The design of Deliantra requires that the main coroutine ($Coro::main)
396	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
397	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
398	acceptable.	511	acceptable.
399		512
400	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
401	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
…		…
405	=cut	518	=cut
406		519
407	sub sync_job(&) {	520	sub sync_job(&) {
408	my ($job) = @_;	521	my ($job) = @_;
409		522
410	if ($Coro::current == $Coro::main) {	523	if (in_main) {
411	my $time = Event::time;	524	my $time = AE::time;
412		525
413	# this is the main coro, too bad, we have to block	526	# this is the main coro, too bad, we have to block
414	# till the operation succeeds, freezing the server :/	527	# till the operation succeeds, freezing the server :/
415		528
416	# TODO: use suspend/resume instead	529	#LOG llevError, Carp::longmess "sync job";#d#
417	# (but this is cancel-safe)	530
418	my $freeze_guard = freeze_mainloop;	531	my $freeze_guard = freeze_mainloop;
419		532
420	my $busy = 1;	533	my $busy = 1;
421	my @res;	534	my @res;
422		535
423	(async {	536	(async {
		537	$Coro::current->desc ("sync job coro");
424	@res = eval { $job->() };	538	@res = eval { $job->() };
425	warn $@ if $@;	539	error $@ if $@;
426	undef $busy;	540	undef $busy;
427	})->prio (Coro::PRIO_MAX);	541	})->prio (Coro::PRIO_MAX);
428		542
429	while ($busy) {	543	while ($busy) {
430	Coro::cede or Event::one_event;	544	if (Coro::nready) {
		545	Coro::cede_notself;
		546	} else {
		547	EV::loop EV::LOOP_ONESHOT;
431	}	548	}
		549	}
432		550
433	$time = Event::time - $time;	551	my $time = AE::time - $time;
434		552
435	LOG llevError | logBacktrace, Carp::longmess "long sync job"
436	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
437
438	$tick_start += $time; # do not account sync jobs to server load	553	$TICK_START += $time; # do not account sync jobs to server load
439		554
440	wantarray ? @res : $res[0]	555	wantarray ? @res : $res[0]
441	} else {	556	} else {
442	# we are in another coroutine, how wonderful, everything just works	557	# we are in another coroutine, how wonderful, everything just works
443		558
…		…
468	=item fork_call { }, $args	583	=item fork_call { }, $args
469		584
470	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
471	process, returning the results. Everything must be serialisable with	586	process, returning the results. Everything must be serialisable with
472	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
473	never block itself or use any form of Event handling.	588	never block itself or use any form of event handling.
474		589
475	=cut	590	=cut
476
477	sub _store_scalar {
478	open my $fh, ">", \my $buf
479	or die "fork_call: cannot open fh-to-buf in child : $!";
480	Storable::store_fd $_[0], $fh;
481	close $fh;
482
483	$buf
484	}
485		591
486	sub fork_call(&@) {	592	sub fork_call(&@) {
487	my ($cb, @args) = @_;	593	my ($cb, @args) = @_;
488		594
489	# 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,
490	# or die "socketpair: $!";	596	# otherwise perl prematurely frees the stuff :/
491	pipe my $fh1, my $fh2	597	# TODO: investigate and fix (likely this will be rather laborious)
492	or die "pipe: $!";
493		598
494	if (my $pid = fork) {	599	my @res = Coro::Util::fork_eval {
495	close $fh2;
496
497	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
498	warn "pst<$res>" unless $res =~ /^pst/;
499	$res = Coro::Storable::thaw $res;
500
501	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
502
503	Carp::confess $$res unless "ARRAY" eq ref $res;
504
505	return wantarray ? @$res : $res->[-1];
506	} else {
507	reset_signals;	600	reset_signals;
508	local $SIG{__WARN__};	601	&$cb
509	local $SIG{__DIE__};	602	}, @args;
510	# just in case, this hack effectively disables event
511	# in the child. cleaner and slower would be canceling all watchers,
512	# but this works for the time being.
513	local $Coro::idle;
514	$Coro::current->prio (Coro::PRIO_MAX);
515		603
516	eval {	604	wantarray ? @res : $res[-1]
517	close $fh1;	605	}
518		606
519	my @res = eval { $cb->(@args) };	607	sub objinfo {
520
521	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
522	close $fh2;
523	};
524
525	warn $@ if $@;
526	_exit 0;
527	}	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
528	}	643	}
529		644
530	=item $value = cf::db_get $family => $key	645	=item $value = cf::db_get $family => $key
531		646
532	Returns a single value from the environment database.	647	Returns a single value from the environment database.
…		…
534	=item cf::db_put $family => $key => $value	649	=item cf::db_put $family => $key => $value
535		650
536	Stores the given C<$value> in the family. It can currently store binary	651	Stores the given C<$value> in the family. It can currently store binary
537	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).
538		653
		654	=item $db = cf::db_table "name"
		655
		656	Create and/or open a new database table. The string must not be "db" and must be unique
		657	within each server.
		658
539	=cut	659	=cut
		660
		661	sub db_table($) {
		662	cf::error "db_get called from main context"
		663	if $Coro::current == $Coro::main;
		664
		665	my ($name) = @_;
		666	my $db = BDB::db_create $DB_ENV;
		667
		668	eval {
		669	$db->set_flags (BDB::CHKSUM);
		670
		671	utf8::encode $name;
		672	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		673	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		674	cf::cleanup "db_open(db): $!" if $!;
		675	};
		676	cf::cleanup "db_open(db): $@" if $@;
		677
		678	$db
		679	}
540		680
541	our $DB;	681	our $DB;
542		682
543	sub db_init {	683	sub db_init {
544	unless ($DB) {	684	$DB ||= db_table "db";
545	$DB = BDB::db_create $DB_ENV;
546
547	cf::sync_job {
548	eval {
549	$DB->set_flags (BDB::CHKSUM);
550
551	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
552	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
553	cf::cleanup "db_open(db): $!" if $!;
554	};
555	cf::cleanup "db_open(db): $@" if $@;
556	};
557	}
558	}	685	}
559		686
560	sub db_get($$) {	687	sub db_get($$) {
561	my $key = "$_[0]/$_[1]";	688	my $key = "$_[0]/$_[1]";
562		689
563	cf::sync_job {	690	cf::error "db_get called from main context"
		691	if $Coro::current == $Coro::main;
		692
564	BDB::db_get $DB, undef, $key, my $data;	693	BDB::db_get $DB, undef, $key, my $data;
565		694
566	$! ? ()	695	$! ? ()
567	: $data	696	: $data
568	}
569	}	697	}
570		698
571	sub db_put($$$) {	699	sub db_put($$$) {
572	BDB::dbreq_pri 4;	700	BDB::dbreq_pri 4;
573	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	701	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
612	if (1) {	740	if (1) {
613	$md5 =	741	$md5 =
614	join "\x00",	742	join "\x00",
615	$processversion,	743	$processversion,
616	map {	744	map {
617	Coro::cede;	745	cf::cede_to_tick;
618	($src->[$_], Digest::MD5::md5_hex $data[$_])	746	($src->[$_], Digest::MD5::md5_hex $data[$_])
619	} 0.. $#$src;	747	} 0.. $#$src;
620		748
621		749
622	my $dbmd5 = db_get cache => "$id/md5";	750	my $dbmd5 = db_get cache => "$id/md5";
…		…
629		757
630	my $t1 = Time::HiRes::time;	758	my $t1 = Time::HiRes::time;
631	my $data = $process->(\@data);	759	my $data = $process->(\@data);
632	my $t2 = Time::HiRes::time;	760	my $t2 = Time::HiRes::time;
633		761
634	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	762	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
635		763
636	db_put cache => "$id/data", $data;	764	db_put cache => "$id/data", $data;
637	db_put cache => "$id/md5" , $md5;	765	db_put cache => "$id/md5" , $md5;
638	db_put cache => "$id/meta", $meta;	766	db_put cache => "$id/meta", $meta;
639		767
…		…
649		777
650	=cut	778	=cut
651		779
652	sub datalog($@) {	780	sub datalog($@) {
653	my ($type, %kv) = @_;	781	my ($type, %kv) = @_;
654	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	782	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
655	}	783	}
656		784
657	=back	785	=back
658		786
659	=cut	787	=cut
660		788
661	#############################################################################	789	#############################################################################
662		790
663	=head2 ATTACHABLE OBJECTS	791	=head2 ATTACHABLE OBJECTS
664		792
665	Many objects in crossfire are so-called attachable objects. That means you can	793	Many objects in deliantra are so-called attachable objects. That means you can
666	attach callbacks/event handlers (a collection of which is called an "attachment")	794	attach callbacks/event handlers (a collection of which is called an "attachment")
667	to it. All such attachable objects support the following methods.	795	to it. All such attachable objects support the following methods.
668		796
669	In the following description, CLASS can be any of C<global>, C<object>	797	In the following description, CLASS can be any of C<global>, C<object>
670	C<player>, C<client> or C<map> (i.e. the attachable objects in	798	C<player>, C<client> or C<map> (i.e. the attachable objects in
671	Crossfire TRT).	799	Deliantra).
672		800
673	=over 4	801	=over 4
674		802
675	=item $attachable->attach ($attachment, key => $value...)	803	=item $attachable->attach ($attachment, key => $value...)
676		804
…		…
720	=item cf::CLASS::attachment $name, ...	848	=item cf::CLASS::attachment $name, ...
721		849
722	Register an attachment by C<$name> through which attachable objects of the	850	Register an attachment by C<$name> through which attachable objects of the
723	given CLASS can refer to this attachment.	851	given CLASS can refer to this attachment.
724		852
725	Some classes such as crossfire maps and objects can specify attachments	853	Some classes such as deliantra maps and objects can specify attachments
726	that are attached at load/instantiate time, thus the need for a name.	854	that are attached at load/instantiate time, thus the need for a name.
727		855
728	These calls expect any number of the following handler/hook descriptions:	856	These calls expect any number of the following handler/hook descriptions:
729		857
730	=over 4	858	=over 4
…		…
854		982
855	} elsif (exists $cb_id{$type}) {	983	} elsif (exists $cb_id{$type}) {
856	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	984	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
857		985
858	} elsif (ref $type) {	986	} elsif (ref $type) {
859	warn "attaching objects not supported, ignoring.\n";	987	error "attaching objects not supported, ignoring.\n";
860		988
861	} else {	989	} else {
862	shift @arg;	990	shift @arg;
863	warn "attach argument '$type' not supported, ignoring.\n";	991	error "attach argument '$type' not supported, ignoring.\n";
864	}	992	}
865	}	993	}
866	}	994	}
867		995
868	sub _object_attach {	996	sub _object_attach {
…		…
878	_attach $registry, $klass, @attach;	1006	_attach $registry, $klass, @attach;
879	}	1007	}
880		1008
881	$obj->{$name} = \%arg;	1009	$obj->{$name} = \%arg;
882	} else {	1010	} else {
883	warn "object uses attachment '$name' which is not available, postponing.\n";	1011	info "object uses attachment '$name' which is not available, postponing.\n";
884	}	1012	}
885		1013
886	$obj->{_attachment}{$name} = undef;	1014	$obj->{_attachment}{$name} = undef;
887	}	1015	}
888		1016
…		…
947		1075
948	for (@$callbacks) {	1076	for (@$callbacks) {
949	eval { &{$_->[1]} };	1077	eval { &{$_->[1]} };
950		1078
951	if ($@) {	1079	if ($@) {
952	warn "$@";
953	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1080	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
954	override;	1081	override;
955	}	1082	}
956		1083
957	return 1 if $override;	1084	return 1 if $override;
958	}	1085	}
959		1086
960	0	1087	0
961	}	1088	}
962		1089
963	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
964		1091
965	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1092	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
966		1093
967	Generate an object-specific event with the given arguments.	1094	Generate an object-specific event with the given arguments.
968		1095
…		…
974		1101
975	=cut	1102	=cut
976		1103
977	#############################################################################	1104	#############################################################################
978	# object support	1105	# object support
979	#
980		1106
		1107	sub _object_equal($$);
		1108	sub _object_equal($$) {
		1109	my ($a, $b) = @_;
		1110
		1111	return 0 unless (ref $a) eq (ref $b);
		1112
		1113	if ("HASH" eq ref $a) {
		1114	my @ka = keys %$a;
		1115	my @kb = keys %$b;
		1116
		1117	return 0 if @ka != @kb;
		1118
		1119	for (0 .. $#ka) {
		1120	return 0 unless $ka[$_] eq $kb[$_];
		1121	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1122	}
		1123
		1124	} elsif ("ARRAY" eq ref $a) {
		1125
		1126	return 0 if @$a != @$b;
		1127
		1128	for (0 .. $#$a) {
		1129	return 0 unless _object_equal $a->[$_], $b->[$_];
		1130	}
		1131
		1132	} elsif ($a ne $b) {
		1133	return 0;
		1134	}
		1135
		1136	1
		1137	}
		1138
		1139	our $SLOW_MERGES;#d#
981	sub _can_merge {	1140	sub _can_merge {
982	my ($ob1, $ob2) = @_;	1141	my ($ob1, $ob2) = @_;
983		1142
984	local $Storable::canonical = 1;	1143	++$SLOW_MERGES;#d#
985	my $fob1 = Storable::freeze $ob1;
986	my $fob2 = Storable::freeze $ob2;
987		1144
988	$fob1 eq $fob2	1145	# we do the slow way here
		1146	return _object_equal $ob1, $ob2
989	}	1147	}
990		1148
991	sub reattach {	1149	sub reattach {
992	# basically do the same as instantiate, without calling instantiate	1150	# basically do the same as instantiate, without calling instantiate
993	my ($obj) = @_;	1151	my ($obj) = @_;
994		1152
		1153	# no longer needed after getting rid of delete_package?
995	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1154	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
996		1155
997	my $registry = $obj->registry;	1156	my $registry = $obj->registry;
998		1157
999	@$registry = ();	1158	@$registry = ();
1000		1159
…		…
1005	for (@$attach) {	1164	for (@$attach) {
1006	my ($klass, @attach) = @$_;	1165	my ($klass, @attach) = @$_;
1007	_attach $registry, $klass, @attach;	1166	_attach $registry, $klass, @attach;
1008	}	1167	}
1009	} else {	1168	} else {
1010	warn "object uses attachment '$name' that is not available, postponing.\n";	1169	info "object uses attachment '$name' that is not available, postponing.\n";
1011	}	1170	}
1012	}	1171	}
1013	}	1172	}
1014		1173
1015	cf::attachable->attach (	1174	cf::attachable->attach (
1016	prio => -1000000,	1175	prio => -1000000,
1017	on_instantiate => sub {	1176	on_instantiate => sub {
1018	my ($obj, $data) = @_;	1177	my ($obj, $data) = @_;
1019		1178
1020	$data = from_json $data;	1179	$data = decode_json $data;
1021		1180
1022	for (@$data) {	1181	for (@$data) {
1023	my ($name, $args) = @$_;	1182	my ($name, $args) = @$_;
1024		1183
1025	$obj->attach ($name, %{$args || {} });	1184	$obj->attach ($name, %{$args || {} });
…		…
1041	sub object_freezer_save {	1200	sub object_freezer_save {
1042	my ($filename, $rdata, $objs) = @_;	1201	my ($filename, $rdata, $objs) = @_;
1043		1202
1044	sync_job {	1203	sync_job {
1045	if (length $$rdata) {	1204	if (length $$rdata) {
		1205	utf8::decode (my $decname = $filename);
1046	warn sprintf "saving %s (%d,%d)\n",	1206	trace sprintf "saving %s (%d,%d)\n",
1047	$filename, length $$rdata, scalar @$objs;	1207	$decname, length $$rdata, scalar @$objs
		1208	if $VERBOSE_IO;
1048		1209
1049	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1210	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1050	chmod SAVE_MODE, $fh;	1211	aio_chmod $fh, SAVE_MODE;
1051	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1212	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1052	aio_fsync $fh if $cf::USE_FSYNC;	1213	if ($cf::USE_FSYNC) {
		1214	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1215	aio_fsync $fh;
		1216	}
1053	close $fh;	1217	aio_close $fh;
1054		1218
1055	if (@$objs) {	1219	if (@$objs) {
1056	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1220	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1057	chmod SAVE_MODE, $fh;	1221	aio_chmod $fh, SAVE_MODE;
1058	my $data = Storable::nfreeze { version => 1, objs => $objs };	1222	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1059	aio_write $fh, 0, (length $data), $data, 0;	1223	aio_write $fh, 0, (length $data), $data, 0;
1060	aio_fsync $fh if $cf::USE_FSYNC;	1224	if ($cf::USE_FSYNC) {
		1225	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1226	aio_fsync $fh;
		1227	}
1061	close $fh;	1228	aio_close $fh;
1062	aio_rename "$filename.pst~", "$filename.pst";	1229	aio_rename "$filename.pst~", "$filename.pst";
1063	}	1230	}
1064	} else {	1231	} else {
1065	aio_unlink "$filename.pst";	1232	aio_unlink "$filename.pst";
1066	}	1233	}
1067		1234
1068	aio_rename "$filename~", $filename;	1235	aio_rename "$filename~", $filename;
		1236
		1237	$filename =~ s%/[^/]+$%%;
		1238	aio_pathsync $filename if $cf::USE_FSYNC;
1069	} else {	1239	} else {
1070	warn "FATAL: $filename~: $!\n";	1240	error "unable to save objects: $filename~: $!\n";
1071	}	1241	}
1072	} else {	1242	} else {
1073	aio_unlink $filename;	1243	aio_unlink $filename;
1074	aio_unlink "$filename.pst";	1244	aio_unlink "$filename.pst";
1075	}	1245	}
1076	}	1246	};
1077	}	1247	}
1078		1248
1079	sub object_freezer_as_string {	1249	sub object_freezer_as_string {
1080	my ($rdata, $objs) = @_;	1250	my ($rdata, $objs) = @_;
1081		1251
…		…
1093	or return;	1263	or return;
1094		1264
1095	unless (aio_stat "$filename.pst") {	1265	unless (aio_stat "$filename.pst") {
1096	(aio_load "$filename.pst", $av) >= 0	1266	(aio_load "$filename.pst", $av) >= 0
1097	or return;	1267	or return;
		1268
1098	$av = eval { (Storable::thaw $av)->{objs} };	1269	my $st = eval { Coro::Storable::thaw $av };
		1270	$av = $st->{objs};
1099	}	1271	}
1100		1272
		1273	utf8::decode (my $decname = $filename);
1101	warn sprintf "loading %s (%d)\n",	1274	trace sprintf "loading %s (%d,%d)\n",
1102	$filename, length $data, scalar @{$av || []};	1275	$decname, length $data, scalar @{$av || []}
		1276	if $VERBOSE_IO;
		1277
1103	return ($data, $av);	1278	($data, $av)
1104	}	1279	}
1105		1280
1106	=head2 COMMAND CALLBACKS	1281	=head2 COMMAND CALLBACKS
1107		1282
1108	=over 4	1283	=over 4
…		…
1162	my ($name, $cb) = @_;	1337	my ($name, $cb) = @_;
1163		1338
1164	$EXTICMD{$name} = $cb;	1339	$EXTICMD{$name} = $cb;
1165	}	1340	}
1166		1341
		1342	use File::Glob ();
		1343
1167	cf::player->attach (	1344	cf::player->attach (
1168	on_command => sub {	1345	on_unknown_command => sub {
1169	my ($pl, $name, $params) = @_;	1346	my ($pl, $name, $params) = @_;
1170		1347
1171	my $cb = $COMMAND{$name}	1348	my $cb = $COMMAND{$name}
1172	or return;	1349	or return;
1173		1350
…		…
1186	my ($type, $reply, @payload) =	1363	my ($type, $reply, @payload) =
1187	"ARRAY" eq ref $msg	1364	"ARRAY" eq ref $msg
1188	? @$msg	1365	? @$msg
1189	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	1366	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1190		1367
		1368	my @reply;
		1369
1191	if (my $cb = $EXTCMD{$type}) {	1370	if (my $cb = $EXTCMD{$type}) {
1192	my @reply = $cb->($pl, @payload);	1371	@reply = $cb->($pl, @payload);
1193
1194	$pl->ext_reply ($reply, @reply)
1195	if $reply;
1196	}	1372	}
		1373
		1374	$pl->ext_reply ($reply, @reply)
		1375	if $reply;
		1376
1197	} else {	1377	} else {
1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1378	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1199	}	1379	}
1200		1380
1201	cf::override;	1381	cf::override;
1202	},	1382	},
1203	);	1383	);
1204		1384
		1385	# "readahead" all extensions
		1386	sub cache_extensions {
		1387	my $grp = IO::AIO::aio_group;
		1388
		1389	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1390	for (grep /\.ext$/, @{$_[0]}) {
		1391	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1392	}
		1393	};
		1394
		1395	$grp
		1396	}
		1397
1205	sub load_extensions {	1398	sub load_extensions {
		1399	info "loading extensions...";
		1400
1206	cf::sync_job {	1401	cf::sync_job {
1207	my %todo;	1402	my %todo;
1208		1403
1209	for my $path (<$LIBDIR/*.ext>) {	1404	for my $path (<$LIBDIR/*.ext>) {
1210	next unless -r $path;	1405	next unless -r $path;
…		…
1228		1423
1229	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1424	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1230	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1425	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1231		1426
1232	$ext{source} =	1427	$ext{source} =
1233	"package $pkg; use strict; use utf8;\n"	1428	"package $pkg; use common::sense;\n"
1234	. "#line 1 \"$path\"\n{\n"	1429	. "#line 1 \"$path\"\n{\n"
1235	. $source	1430	. $source
1236	. "\n};\n1";	1431	. "\n};\n1";
1237		1432
1238	$todo{$base} = \%ext;	1433	$todo{$base} = \%ext;
1239	}	1434	}
1240		1435
		1436	my $pass = 0;
1241	my %done;	1437	my %done;
1242	while (%todo) {	1438	while (%todo) {
1243	my $progress;	1439	my $progress;
1244		1440
		1441	++$pass;
		1442
		1443	ext:
1245	while (my ($k, $v) = each %todo) {	1444	while (my ($k, $v) = each %todo) {
1246	for (split /,\s*/, $v->{meta}{depends}) {	1445	for (split /,\s*/, $v->{meta}{depends}) {
1247	goto skip	1446	next ext
1248	unless exists $done{$_};	1447	unless exists $done{$_};
1249	}	1448	}
1250		1449
1251	warn "... loading '$k' into '$v->{pkg}'\n";	1450	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1252		1451
1253	unless (eval $v->{source}) {	1452	my $active = eval $v->{source};
		1453
		1454	if (length $@) {
1254	my $msg = $@ ? "$v->{path}: $@\n"	1455	error "$v->{path}: $@\n";
1255	: "$v->{base}: extension inactive.\n";	1456	undef $@; # work around perl 5.10.0 utf-8 caching bug
1256		1457
		1458	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1257	if (exists $v->{meta}{mandatory}) {	1459	if exists $v->{meta}{mandatory};
1258	warn $msg;	1460
1259	warn "mandatory extension failed to load, exiting.\n";	1461	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1260	exit 1;	1462	delete $todo{$k};
1261	}	1463	} else {
1262		1464	$done{$k} = delete $todo{$k};
1263	warn $msg;	1465	push @EXTS, $v->{pkg};
		1466	$progress = 1;
		1467
		1468	info "$v->{base}: extension inactive.\n"
		1469	unless $active;
1264	}	1470	}
1265
1266	$done{$k} = delete $todo{$k};
1267	push @EXTS, $v->{pkg};
1268	$progress = 1;
1269	}	1471	}
1270		1472
1271	skip:	1473	unless ($progress) {
1272	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1474	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1273	unless $progress;	1475
		1476	while (my ($k, $v) = each %todo) {
		1477	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1478	if exists $v->{meta}{mandatory};
		1479	}
		1480	}
1274	}	1481	}
1275	};	1482	};
1276	}	1483	}
1277		1484
1278	#############################################################################	1485	#############################################################################
1279		1486
1280	=back	1487	=back
1281		1488
1282	=head2 CORE EXTENSIONS	1489	=head2 CORE EXTENSIONS
1283		1490
1284	Functions and methods that extend core crossfire objects.	1491	Functions and methods that extend core deliantra objects.
1285		1492
1286	=cut	1493	=cut
1287		1494
1288	package cf::player;	1495	package cf::player;
1289		1496
1290	use Coro::AIO;	1497	use Coro::AIO;
1291		1498
1292	=head3 cf::player	1499	=head3 cf::player
1293		1500
1294	=over 4	1501	=over 4
		1502
		1503	=item cf::player::num_playing
		1504
		1505	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1506
		1507	=cut
		1508
		1509	sub num_playing {
		1510	scalar grep
		1511	$_->ob->map
		1512	&& !$_->hidden
		1513	&& !$_->ob->flag (cf::FLAG_WIZ),
		1514	cf::player::list
		1515	}
1295		1516
1296	=item cf::player::find $login	1517	=item cf::player::find $login
1297		1518
1298	Returns the given player object, loading it if necessary (might block).	1519	Returns the given player object, loading it if necessary (might block).
1299		1520
…		…
1318		1539
1319	sub exists($) {	1540	sub exists($) {
1320	my ($login) = @_;	1541	my ($login) = @_;
1321		1542
1322	$cf::PLAYER{$login}	1543	$cf::PLAYER{$login}
1323	or cf::sync_job { !aio_stat path $login }	1544	or !aio_stat path $login
1324	}	1545	}
1325		1546
1326	sub find($) {	1547	sub find($) {
1327	return $cf::PLAYER{$_[0]} || do {	1548	return $cf::PLAYER{$_[0]} || do {
1328	my $login = $_[0];	1549	my $login = $_[0];
…		…
1335	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1556	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1336	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1557	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1337	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1558	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1338	aio_unlink +(playerdir $login) . "/$login.pl";	1559	aio_unlink +(playerdir $login) . "/$login.pl";
1339		1560
1340	my $pl = load_pl path $login	1561	my $f = new_from_file cf::object::thawer path $login
1341	or return;	1562	or return;
		1563
		1564	my $pl = cf::player::load_pl $f
		1565	or return;
		1566
		1567	local $cf::PLAYER_LOADING{$login} = $pl;
		1568	$f->resolve_delayed_derefs;
1342	$cf::PLAYER{$login} = $pl	1569	$cf::PLAYER{$login} = $pl
1343	}	1570	}
1344	}	1571	}
1345	}	1572	}
		1573
		1574	cf::player->attach (
		1575	on_load => sub {
		1576	my ($pl, $path) = @_;
		1577
		1578	# restore slots saved in save, below
		1579	my $slots = delete $pl->{_slots};
		1580
		1581	$pl->ob->current_weapon ($slots->[0]);
		1582	$pl->combat_ob ($slots->[1]);
		1583	$pl->ranged_ob ($slots->[2]);
		1584	},
		1585	);
1346		1586
1347	sub save($) {	1587	sub save($) {
1348	my ($pl) = @_;	1588	my ($pl) = @_;
1349		1589
1350	return if $pl->{deny_save};	1590	return if $pl->{deny_save};
…		…
1355	return if $pl->{deny_save};	1595	return if $pl->{deny_save};
1356		1596
1357	aio_mkdir playerdir $pl, 0770;	1597	aio_mkdir playerdir $pl, 0770;
1358	$pl->{last_save} = $cf::RUNTIME;	1598	$pl->{last_save} = $cf::RUNTIME;
1359		1599
		1600	cf::get_slot 0.01;
		1601
		1602	# save slots, to be restored later
		1603	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1604
1360	$pl->save_pl ($path);	1605	$pl->save_pl ($path);
1361	Coro::cede;	1606	cf::cede_to_tick;
1362	}	1607	}
1363		1608
1364	sub new($) {	1609	sub new($) {
1365	my ($login) = @_;	1610	my ($login) = @_;
1366		1611
…		…
1372	$cf::PLAYER{$login} = $self;	1617	$cf::PLAYER{$login} = $self;
1373		1618
1374	$self	1619	$self
1375	}	1620	}
1376		1621
		1622	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1623
		1624	=cut
		1625
		1626	sub send_msg {
		1627	my $ns = shift->ns
		1628	or return;
		1629	$ns->send_msg (@_);
		1630	}
		1631
1377	=item $pl->quit_character	1632	=item $pl->quit_character
1378		1633
1379	Nukes the player without looking back. If logged in, the connection will	1634	Nukes the player without looking back. If logged in, the connection will
1380	be destroyed. May block for a long time.	1635	be destroyed. May block for a long time.
1381		1636
…		…
1385	my ($pl) = @_;	1640	my ($pl) = @_;
1386		1641
1387	my $name = $pl->ob->name;	1642	my $name = $pl->ob->name;
1388		1643
1389	$pl->{deny_save} = 1;	1644	$pl->{deny_save} = 1;
1390	$pl->password ("*"); # this should lock out the player until we nuked the dir	1645	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1391		1646
1392	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1647	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1393	$pl->deactivate;	1648	$pl->deactivate;
		1649	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1394	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1650	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1395	$pl->ns->destroy if $pl->ns;	1651	$pl->ns->destroy if $pl->ns;
1396		1652
1397	my $path = playerdir $pl;	1653	my $path = playerdir $pl;
1398	my $temp = "$path~$cf::RUNTIME~deleting~";	1654	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1434	or return [];	1690	or return [];
1435		1691
1436	my @logins;	1692	my @logins;
1437		1693
1438	for my $login (@$dirs) {	1694	for my $login (@$dirs) {
		1695	my $path = path $login;
		1696
		1697	# a .pst is a dead give-away for a valid player
		1698	# if no pst file found, open and chekc for blocked users
		1699	if (aio_stat "$path.pst") {
1439	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1700	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1440	aio_read $fh, 0, 512, my $buf, 0 or next;	1701	aio_read $fh, 0, 512, my $buf, 0 or next;
1441	$buf !~ /^password -------------$/m or next; # official not-valid tag	1702	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1703	}
1442		1704
1443	utf8::decode $login;	1705	utf8::decode $login;
1444	push @logins, $login;	1706	push @logins, $login;
1445	}	1707	}
1446		1708
1447	\@logins	1709	\@logins
1448	}	1710	}
1449		1711
1450	=item $player->maps	1712	=item $player->maps
		1713
		1714	=item cf::player::maps $login
1451		1715
1452	Returns an arrayref of map paths that are private for this	1716	Returns an arrayref of map paths that are private for this
1453	player. May block.	1717	player. May block.
1454		1718
1455	=cut	1719	=cut
…		…
1473	}	1737	}
1474		1738
1475	\@paths	1739	\@paths
1476	}	1740	}
1477		1741
1478	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1742	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1479		1743
1480	Expand crossfire pod fragments into protocol xml.	1744	Expand deliantra pod fragments into protocol xml.
1481
1482	=cut
1483
1484	sub expand_cfpod {
1485	((my $self), (local $_)) = @_;
1486
1487	# escape & and <
1488	s/&/&amp;/g;
1489	s/(?<![BIUGH])</&lt;/g;
1490
1491	# this is buggy, it needs to properly take care of nested <'s
1492
1493	1 while
1494	# replace B<>, I<>, U<> etc.
1495	s/B<([^\>]*)>/<b>$1<\/b>/
1496	|| s/I<([^\>]*)>/<i>$1<\/i>/
1497	|| s/U<([^\>]*)>/<u>$1<\/u>/
1498	# replace G<male|female> tags
1499	|| s{G<([^>|]*)\|([^>]*)>}{
1500	$self->gender ? $2 : $1
1501	}ge
1502	# replace H<hint text>
1503	|| s{H<([^\>]*)>}
1504	{
1505	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1506	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1507	"")
1508	[$self->{hintmode}]
1509	}ge;
1510
1511	# create single paragraphs (very hackish)
1512	s/(?<=\S)\n(?=\w)/ /g;
1513
1514	# compress some whitespace
1515	s/\s+\n/\n/g; # ws line-ends
1516	s/\n\n+/\n/g; # double lines
1517	s/^\n+//; # beginning lines
1518	s/\n+$//; # ending lines
1519
1520	$_
1521	}
1522
1523	sub hintmode {
1524	$_[0]{hintmode} = $_[1] if @_ > 1;
1525	$_[0]{hintmode}
1526	}
1527		1745
1528	=item $player->ext_reply ($msgid, @msg)	1746	=item $player->ext_reply ($msgid, @msg)
1529		1747
1530	Sends an ext reply to the player.	1748	Sends an ext reply to the player.
1531		1749
1532	=cut	1750	=cut
1533		1751
1534	sub ext_reply($$@) {	1752	sub ext_reply($$@) {
1535	my ($self, $id, @msg) = @_;	1753	my ($self, $id, @msg) = @_;
1536		1754
1537	if ($self->ns->extcmd == 2) {	1755	$self->ns->ext_reply ($id, @msg)
1538	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1539	} elsif ($self->ns->extcmd == 1) {
1540	#TODO: version 1, remove
1541	unshift @msg, msgtype => "reply", msgid => $id;
1542	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
1543	}
1544	}	1756	}
1545		1757
1546	=item $player->ext_msg ($type, @msg)	1758	=item $player->ext_msg ($type, @msg)
1547		1759
1548	Sends an ext event to the client.	1760	Sends an ext event to the client.
…		…
1569		1781
1570	=cut	1782	=cut
1571		1783
1572	sub find_by_path($) {	1784	sub find_by_path($) {
1573	my ($path) = @_;	1785	my ($path) = @_;
		1786
		1787	$path =~ s/^~[^\/]*//; # skip ~login
1574		1788
1575	my ($match, $specificity);	1789	my ($match, $specificity);
1576		1790
1577	for my $region (list) {	1791	for my $region (list) {
1578	if ($region->{match} && $path =~ $region->{match}) {	1792	if ($region->{match} && $path =~ $region->{match}) {
…		…
1604	our $MAX_RESET = 3600;	1818	our $MAX_RESET = 3600;
1605	our $DEFAULT_RESET = 3000;	1819	our $DEFAULT_RESET = 3000;
1606		1820
1607	sub generate_random_map {	1821	sub generate_random_map {
1608	my ($self, $rmp) = @_;	1822	my ($self, $rmp) = @_;
		1823
		1824	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1825
1609	# mit "rum" bekleckern, nicht	1826	# mit "rum" bekleckern, nicht
1610	$self->_create_random_map (	1827	$self->_create_random_map (
1611	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1828	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1612	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1829	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1613	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1830	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1614	$rmp->{exit_on_final_map},	1831	$rmp->{exit_on_final_map},
1615	$rmp->{xsize}, $rmp->{ysize},	1832	$rmp->{xsize}, $rmp->{ysize},
1616	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1833	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1617	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1834	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1639		1856
1640	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1857	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1641	}	1858	}
1642		1859
1643	# also paths starting with '/'	1860	# also paths starting with '/'
1644	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1861	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1645		1862
1646	sub thawer_merge {	1863	sub thawer_merge {
1647	my ($self, $merge) = @_;	1864	my ($self, $merge) = @_;
1648		1865
1649	# we have to keep some variables in memory intact	1866	# we have to keep some variables in memory intact
…		…
1735		1952
1736	# the temporary/swap location	1953	# the temporary/swap location
1737	sub save_path {	1954	sub save_path {
1738	my ($self) = @_;	1955	my ($self) = @_;
1739		1956
1740	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1957	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1741	"$TMPDIR/$path.map"	1958	"$TMPDIR/$path.map"
1742	}	1959	}
1743		1960
1744	# the unique path, undef == no special unique path	1961	# the unique path, undef == no special unique path
1745	sub uniq_path {	1962	sub uniq_path {
1746	my ($self) = @_;	1963	my ($self) = @_;
1747		1964
1748	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1965	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1749	"$UNIQUEDIR/$path"	1966	"$UNIQUEDIR/$path"
1750	}
1751
1752	# and all this just because we cannot iterate over
1753	# all maps in C++...
1754	sub change_all_map_light {
1755	my ($change) = @_;
1756
1757	$_->change_map_light ($change)
1758	for grep $_->outdoor, values %cf::MAP;
1759	}	1967	}
1760		1968
1761	sub decay_objects {	1969	sub decay_objects {
1762	my ($self) = @_;	1970	my ($self) = @_;
1763		1971
…		…
1776		1984
1777	sub load_header_from($) {	1985	sub load_header_from($) {
1778	my ($self, $path) = @_;	1986	my ($self, $path) = @_;
1779		1987
1780	utf8::encode $path;	1988	utf8::encode $path;
1781	#aio_open $path, O_RDONLY, 0	1989	my $f = new_from_file cf::object::thawer $path
1782	# or return;
1783
1784	$self->_load_header ($path)
1785	or return;	1990	or return;
		1991
		1992	$self->_load_header ($f)
		1993	or return;
		1994
		1995	local $MAP_LOADING{$self->{path}} = $self;
		1996	$f->resolve_delayed_derefs;
1786		1997
1787	$self->{load_path} = $path;	1998	$self->{load_path} = $path;
1788		1999
1789	1	2000	1
1790	}	2001	}
…		…
1844	sub find {	2055	sub find {
1845	my ($path, $origin) = @_;	2056	my ($path, $origin) = @_;
1846		2057
1847	$path = normalise $path, $origin && $origin->path;	2058	$path = normalise $path, $origin && $origin->path;
1848		2059
		2060	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1849	cf::lock_wait "map_find:$path";	2061	my $guard2 = cf::lock_acquire "map_find:$path";
1850		2062
1851	$cf::MAP{$path} || do {	2063	$cf::MAP{$path} || do {
1852	my $guard = cf::lock_acquire "map_find:$path";
1853	my $map = new_from_path cf::map $path	2064	my $map = new_from_path cf::map $path
1854	or return;	2065	or return;
1855		2066
1856	$map->{last_save} = $cf::RUNTIME;	2067	$map->{last_save} = $cf::RUNTIME;
1857		2068
…		…
1859	or return;	2070	or return;
1860		2071
1861	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2072	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1862	# doing this can freeze the server in a sync job, obviously	2073	# doing this can freeze the server in a sync job, obviously
1863	#$cf::WAIT_FOR_TICK->wait;	2074	#$cf::WAIT_FOR_TICK->wait;
		2075	undef $guard2;
		2076	undef $guard1;
1864	$map->reset;	2077	$map->reset;
1865	undef $guard;
1866	return find $path;	2078	return find $path;
1867	}	2079	}
1868		2080
1869	$cf::MAP{$path} = $map	2081	$cf::MAP{$path} = $map
1870	}	2082	}
1871	}	2083	}
1872		2084
1873	sub pre_load { }	2085	sub pre_load { }
1874	sub post_load { }	2086	#sub post_load { } # XS
1875		2087
1876	sub load {	2088	sub load {
1877	my ($self) = @_;	2089	my ($self) = @_;
1878		2090
1879	local $self->{deny_reset} = 1; # loading can take a long time	2091	local $self->{deny_reset} = 1; # loading can take a long time
1880		2092
1881	my $path = $self->{path};	2093	my $path = $self->{path};
1882		2094
1883	{	2095	{
1884	my $guard = cf::lock_acquire "map_load:$path";	2096	my $guard = cf::lock_acquire "map_data:$path";
1885		2097
		2098	return unless $self->valid;
1886	return if $self->in_memory != cf::MAP_SWAPPED;	2099	return unless $self->in_memory == cf::MAP_SWAPPED;
1887		2100
1888	$self->in_memory (cf::MAP_LOADING);	2101	$self->in_memory (cf::MAP_LOADING);
1889		2102
1890	$self->alloc;	2103	$self->alloc;
1891		2104
1892	$self->pre_load;	2105	$self->pre_load;
1893	Coro::cede;	2106	cf::cede_to_tick;
1894		2107
		2108	my $f = new_from_file cf::object::thawer $self->{load_path};
		2109	$f->skip_block;
1895	$self->_load_objects ($self->{load_path}, 1)	2110	$self->_load_objects ($f)
1896	or return;	2111	or return;
1897		2112
1898	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2113	$self->post_load_original
1899	if delete $self->{load_original};	2114	if delete $self->{load_original};
1900		2115
1901	if (my $uniq = $self->uniq_path) {	2116	if (my $uniq = $self->uniq_path) {
1902	utf8::encode $uniq;	2117	utf8::encode $uniq;
1903	if (aio_open $uniq, O_RDONLY, 0) {	2118	unless (aio_stat $uniq) {
		2119	if (my $f = new_from_file cf::object::thawer $uniq) {
1904	$self->clear_unique_items;	2120	$self->clear_unique_items;
1905	$self->_load_objects ($uniq, 0);	2121	$self->_load_objects ($f);
		2122	$f->resolve_delayed_derefs;
		2123	}
1906	}	2124	}
1907	}	2125	}
1908		2126
1909	Coro::cede;	2127	$f->resolve_delayed_derefs;
		2128
		2129	cf::cede_to_tick;
1910	# now do the right thing for maps	2130	# now do the right thing for maps
1911	$self->link_multipart_objects;	2131	$self->link_multipart_objects;
1912	$self->difficulty ($self->estimate_difficulty)	2132	$self->difficulty ($self->estimate_difficulty)
1913	unless $self->difficulty;	2133	unless $self->difficulty;
1914	Coro::cede;	2134	cf::cede_to_tick;
1915		2135
1916	unless ($self->{deny_activate}) {	2136	unless ($self->{deny_activate}) {
1917	$self->decay_objects;	2137	$self->decay_objects;
1918	$self->fix_auto_apply;	2138	$self->fix_auto_apply;
1919	$self->update_buttons;	2139	$self->update_buttons;
1920	Coro::cede;	2140	cf::cede_to_tick;
1921	$self->set_darkness_map;
1922	Coro::cede;
1923	$self->activate;	2141	$self->activate;
1924	}	2142	}
1925		2143
		2144	$self->{last_save} = $cf::RUNTIME;
		2145	$self->last_access ($cf::RUNTIME);
		2146
1926	$self->in_memory (cf::MAP_IN_MEMORY);	2147	$self->in_memory (cf::MAP_ACTIVE);
1927	}	2148	}
1928		2149
1929	$self->post_load;	2150	$self->post_load;
1930	}	2151	}
1931		2152
		2153	# customize the map for a given player, i.e.
		2154	# return the _real_ map. used by e.g. per-player
		2155	# maps to change the path to ~playername/mappath
1932	sub customise_for {	2156	sub customise_for {
1933	my ($self, $ob) = @_;	2157	my ($self, $ob) = @_;
1934		2158
1935	return find "~" . $ob->name . "/" . $self->{path}	2159	return find "~" . $ob->name . "/" . $self->{path}
1936	if $self->per_player;	2160	if $self->per_player;
…		…
1940		2164
1941	$self	2165	$self
1942	}	2166	}
1943		2167
1944	# find and load all maps in the 3x3 area around a map	2168	# find and load all maps in the 3x3 area around a map
1945	sub load_diag {	2169	sub load_neighbours {
1946	my ($map) = @_;	2170	my ($map) = @_;
1947		2171
1948	my @diag; # diagonal neighbours	2172	my @neigh; # diagonal neighbours
1949		2173
1950	for (0 .. 3) {	2174	for (0 .. 3) {
1951	my $neigh = $map->tile_path ($_)	2175	my $neigh = $map->tile_path ($_)
1952	or next;	2176	or next;
1953	$neigh = find $neigh, $map	2177	$neigh = find $neigh, $map
1954	or next;	2178	or next;
1955	$neigh->load;	2179	$neigh->load;
1956		2180
		2181	# now find the diagonal neighbours
		2182	push @neigh,
1957	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2183	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1958	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2184	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1959	}	2185	}
1960		2186
1961	for (@diag) {	2187	for (grep defined $_->[0], @neigh) {
		2188	my ($path, $origin) = @$_;
1962	my $neigh = find @$_	2189	my $neigh = find $path, $origin
1963	or next;	2190	or next;
1964	$neigh->load;	2191	$neigh->load;
1965	}	2192	}
1966	}	2193	}
1967		2194
1968	sub find_sync {	2195	sub find_sync {
1969	my ($path, $origin) = @_;	2196	my ($path, $origin) = @_;
1970		2197
1971	cf::sync_job { find $path, $origin }	2198	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2199	if $Coro::current == $Coro::main;
		2200
		2201	find $path, $origin
1972	}	2202	}
1973		2203
1974	sub do_load_sync {	2204	sub do_load_sync {
1975	my ($map) = @_;	2205	my ($map) = @_;
1976		2206
1977	cf::sync_job { $map->load };	2207	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2208	if $Coro::current == $Coro::main;
		2209
		2210	$map->load;
1978	}	2211	}
1979		2212
1980	our %MAP_PREFETCH;	2213	our %MAP_PREFETCH;
1981	our $MAP_PREFETCHER = undef;	2214	our $MAP_PREFETCHER = undef;
1982		2215
1983	sub find_async {	2216	sub find_async {
1984	my ($path, $origin) = @_;	2217	my ($path, $origin, $load) = @_;
1985		2218
1986	$path = normalise $path, $origin && $origin->{path};	2219	$path = normalise $path, $origin && $origin->{path};
1987		2220
1988	if (my $map = $cf::MAP{$path}) {	2221	if (my $map = $cf::MAP{$path}) {
1989	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2222	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1990	}	2223	}
1991		2224
1992	undef $MAP_PREFETCH{$path};	2225	$MAP_PREFETCH{$path} |= $load;
		2226
1993	$MAP_PREFETCHER ||= cf::async {	2227	$MAP_PREFETCHER ||= cf::async {
		2228	$Coro::current->{desc} = "map prefetcher";
		2229
1994	while (%MAP_PREFETCH) {	2230	while (%MAP_PREFETCH) {
1995	for my $path (keys %MAP_PREFETCH) {	2231	while (my ($k, $v) = each %MAP_PREFETCH) {
1996	if (my $map = find $path) {	2232	if (my $map = find $k) {
1997	$map->load;	2233	$map->load if $v;
1998	}	2234	}
1999		2235
2000	delete $MAP_PREFETCH{$path};	2236	delete $MAP_PREFETCH{$k};
2001	}	2237	}
2002	}	2238	}
2003	undef $MAP_PREFETCHER;	2239	undef $MAP_PREFETCHER;
2004	};	2240	};
2005	$MAP_PREFETCHER->prio (6);	2241	$MAP_PREFETCHER->prio (6);
2006		2242
2007	()	2243	()
2008	}	2244	}
2009		2245
		2246	# common code, used by both ->save and ->swapout
2010	sub save {	2247	sub _save {
2011	my ($self) = @_;	2248	my ($self) = @_;
2012
2013	my $lock = cf::lock_acquire "map_data:" . $self->path;
2014		2249
2015	$self->{last_save} = $cf::RUNTIME;	2250	$self->{last_save} = $cf::RUNTIME;
2016		2251
2017	return unless $self->dirty;	2252	return unless $self->dirty;
2018		2253
…		…
2024	return if $self->{deny_save};	2259	return if $self->{deny_save};
2025		2260
2026	local $self->{last_access} = $self->last_access;#d#	2261	local $self->{last_access} = $self->last_access;#d#
2027		2262
2028	cf::async {	2263	cf::async {
		2264	$Coro::current->{desc} = "map player save";
2029	$_->contr->save for $self->players;	2265	$_->contr->save for $self->players;
2030	};	2266	};
		2267
		2268	cf::get_slot 0.02;
2031		2269
2032	if ($uniq) {	2270	if ($uniq) {
2033	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2271	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2034	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2272	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2035	} else {	2273	} else {
2036	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2274	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2037	}	2275	}
2038	}	2276	}
2039		2277
		2278	sub save {
		2279	my ($self) = @_;
		2280
		2281	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2282
		2283	$self->_save;
		2284	}
		2285
2040	sub swap_out {	2286	sub swap_out {
2041	my ($self) = @_;	2287	my ($self) = @_;
2042		2288
2043	# save first because save cedes
2044	$self->save;
2045
2046	my $lock = cf::lock_acquire "map_data:" . $self->path;	2289	my $lock = cf::lock_acquire "map_data:$self->{path}";
2047		2290
		2291	return if $self->in_memory != cf::MAP_ACTIVE;
		2292	return if $self->{deny_save};
2048	return if $self->players;	2293	return if $self->players;
2049	return if $self->in_memory != cf::MAP_IN_MEMORY;
2050	return if $self->{deny_save};
2051		2294
		2295	# first deactivate the map and "unlink" it from the core
		2296	$self->deactivate;
		2297	$_->clear_links_to ($self) for values %cf::MAP;
		2298	$self->in_memory (cf::MAP_SWAPPED);
		2299
		2300	# then atomically save
		2301	$self->_save;
		2302
		2303	# then free the map
2052	$self->clear;	2304	$self->clear;
2053	$self->in_memory (cf::MAP_SWAPPED);
2054	}	2305	}
2055		2306
2056	sub reset_at {	2307	sub reset_at {
2057	my ($self) = @_;	2308	my ($self) = @_;
2058		2309
…		…
2076		2327
2077	my $lock = cf::lock_acquire "map_data:$self->{path}";	2328	my $lock = cf::lock_acquire "map_data:$self->{path}";
2078		2329
2079	return if $self->players;	2330	return if $self->players;
2080		2331
2081	warn "resetting map ", $self->path;	2332	cf::trace "resetting map ", $self->path, "\n";
2082		2333
2083	$self->in_memory (cf::MAP_SWAPPED);	2334	$self->in_memory (cf::MAP_SWAPPED);
2084		2335
2085	# need to save uniques path	2336	# need to save uniques path
2086	unless ($self->{deny_save}) {	2337	unless ($self->{deny_save}) {
…		…
2090	if $uniq;	2341	if $uniq;
2091	}	2342	}
2092		2343
2093	delete $cf::MAP{$self->path};	2344	delete $cf::MAP{$self->path};
2094		2345
		2346	$self->deactivate;
		2347	$_->clear_links_to ($self) for values %cf::MAP;
2095	$self->clear;	2348	$self->clear;
2096
2097	$_->clear_links_to ($self) for values %cf::MAP;
2098		2349
2099	$self->unlink_save;	2350	$self->unlink_save;
2100	$self->destroy;	2351	$self->destroy;
2101	}	2352	}
2102		2353
2103	my $nuke_counter = "aaaa";	2354	my $nuke_counter = "aaaa";
2104		2355
2105	sub nuke {	2356	sub nuke {
2106	my ($self) = @_;	2357	my ($self) = @_;
2107		2358
		2359	{
		2360	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2361
2108	delete $cf::MAP{$self->path};	2362	delete $cf::MAP{$self->path};
2109		2363
2110	$self->unlink_save;	2364	$self->unlink_save;
2111		2365
2112	bless $self, "cf::map";	2366	bless $self, "cf::map::wrap";
2113	delete $self->{deny_reset};	2367	delete $self->{deny_reset};
2114	$self->{deny_save} = 1;	2368	$self->{deny_save} = 1;
2115	$self->reset_timeout (1);	2369	$self->reset_timeout (1);
2116	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2370	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2117		2371
2118	$cf::MAP{$self->path} = $self;	2372	$cf::MAP{$self->path} = $self;
		2373	}
2119		2374
2120	$self->reset; # polite request, might not happen	2375	$self->reset; # polite request, might not happen
2121	}	2376	}
2122		2377
2123	=item $maps = cf::map::tmp_maps	2378	=item $maps = cf::map::tmp_maps
…		…
2165		2420
2166	sub unique_maps() {	2421	sub unique_maps() {
2167	[	2422	[
2168	map {	2423	map {
2169	utf8::decode $_;	2424	utf8::decode $_;
2170	/\.map$/	2425	s/\.map$//; # TODO future compatibility hack
		2426	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2427	? ()
2171	? normalise $_	2428	: normalise $_
2172	: ()
2173	} @{ aio_readdir $UNIQUEDIR or [] }	2429	} @{ aio_readdir $UNIQUEDIR or [] }
2174	]	2430	]
2175	}	2431	}
2176		2432
2177	package cf;	2433	=item cf::map::static_maps
		2434
		2435	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2436	file in the shared directory excluding F</styles> and F</editor>). May
		2437	block.
		2438
		2439	=cut
		2440
		2441	sub static_maps() {
		2442	my @dirs = "";
		2443	my @maps;
		2444
		2445	while (@dirs) {
		2446	my $dir = shift @dirs;
		2447
		2448	next if $dir eq "/styles" || $dir eq "/editor";
		2449
		2450	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2451	or return;
		2452
		2453	for (@$files) {
		2454	s/\.map$// or next;
		2455	utf8::decode $_;
		2456	push @maps, "$dir/$_";
		2457	}
		2458
		2459	push @dirs, map "$dir/$_", @$dirs;
		2460	}
		2461
		2462	\@maps
		2463	}
2178		2464
2179	=back	2465	=back
2180		2466
2181	=head3 cf::object	2467	=head3 cf::object
2182		2468
…		…
2186		2472
2187	=over 4	2473	=over 4
2188		2474
2189	=item $ob->inv_recursive	2475	=item $ob->inv_recursive
2190		2476
2191	Returns the inventory of the object _and_ their inventories, recursively.	2477	Returns the inventory of the object I<and> their inventories, recursively,
		2478	but I<not> the object itself.
2192		2479
2193	=cut	2480	=cut
2194		2481
2195	sub inv_recursive_;	2482	sub inv_recursive_;
2196	sub inv_recursive_ {	2483	sub inv_recursive_ {
…		…
2199		2486
2200	sub inv_recursive {	2487	sub inv_recursive {
2201	inv_recursive_ inv $_[0]	2488	inv_recursive_ inv $_[0]
2202	}	2489	}
2203		2490
		2491	=item $ref = $ob->ref
		2492
		2493	Creates and returns a persistent reference to an object that can be stored as a string.
		2494
		2495	=item $ob = cf::object::deref ($refstring)
		2496
		2497	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2498	even if the object actually exists. May block.
		2499
		2500	=cut
		2501
		2502	sub deref {
		2503	my ($ref) = @_;
		2504
		2505	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2506	my ($uuid, $name) = ($1, $2);
		2507	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2508	or return;
		2509	$pl->ob->uuid eq $uuid
		2510	or return;
		2511
		2512	$pl->ob
		2513	} else {
		2514	warn "$ref: cannot resolve object reference\n";
		2515	undef
		2516	}
		2517	}
		2518
2204	package cf;	2519	package cf;
2205		2520
2206	=back	2521	=back
2207		2522
2208	=head3 cf::object::player	2523	=head3 cf::object::player
…		…
2214	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2529	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2215	can be C<undef>. Does the right thing when the player is currently in a	2530	can be C<undef>. Does the right thing when the player is currently in a
2216	dialogue with the given NPC character.	2531	dialogue with the given NPC character.
2217		2532
2218	=cut	2533	=cut
		2534
		2535	our $SAY_CHANNEL = {
		2536	id => "say",
		2537	title => "Map",
		2538	reply => "say ",
		2539	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2540	};
		2541
		2542	our $CHAT_CHANNEL = {
		2543	id => "chat",
		2544	title => "Chat",
		2545	reply => "chat ",
		2546	tooltip => "Player chat and shouts, global to the server.",
		2547	};
2219		2548
2220	# rough implementation of a future "reply" method that works	2549	# rough implementation of a future "reply" method that works
2221	# with dialog boxes.	2550	# with dialog boxes.
2222	#TODO: the first argument must go, split into a $npc->reply_to ( method	2551	#TODO: the first argument must go, split into a $npc->reply_to ( method
2223	sub cf::object::player::reply($$$;$) {	2552	sub cf::object::player::reply($$$;$) {
…		…
2235	my $dialog = $pl->{npc_dialog};	2564	my $dialog = $pl->{npc_dialog};
2236	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2565	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2237		2566
2238	} else {	2567	} else {
2239	$msg = $npc->name . " says: $msg" if $npc;	2568	$msg = $npc->name . " says: $msg" if $npc;
2240	$self->message ($msg, $flags);	2569	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2241	}	2570	}
2242	}	2571	}
		2572	}
		2573
		2574	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2575
		2576	=cut
		2577
		2578	sub cf::object::send_msg {
		2579	my $pl = shift->contr
		2580	or return;
		2581	$pl->send_msg (@_);
2243	}	2582	}
2244		2583
2245	=item $player_object->may ("access")	2584	=item $player_object->may ("access")
2246		2585
2247	Returns wether the given player is authorized to access resource "access"	2586	Returns wether the given player is authorized to access resource "access"
…		…
2260		2599
2261	=item $player_object->enter_link	2600	=item $player_object->enter_link
2262		2601
2263	Freezes the player and moves him/her to a special map (C<{link}>).	2602	Freezes the player and moves him/her to a special map (C<{link}>).
2264		2603
2265	The player should be reasonably safe there for short amounts of time. You	2604	The player should be reasonably safe there for short amounts of time (e.g.
2266	I<MUST> call C<leave_link> as soon as possible, though.	2605	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2606	though, as the player cannot control the character while it is on the link
		2607	map.
2267		2608
2268	Will never block.	2609	Will never block.
2269		2610
2270	=item $player_object->leave_link ($map, $x, $y)	2611	=item $player_object->leave_link ($map, $x, $y)
2271		2612
…		…
2291	sub cf::object::player::enter_link {	2632	sub cf::object::player::enter_link {
2292	my ($self) = @_;	2633	my ($self) = @_;
2293		2634
2294	$self->deactivate_recursive;	2635	$self->deactivate_recursive;
2295		2636
		2637	++$self->{_link_recursion};
		2638
2296	return if UNIVERSAL::isa $self->map, "ext::map_link";	2639	return if UNIVERSAL::isa $self->map, "ext::map_link";
2297		2640
2298	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2641	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2299	if $self->map && $self->map->{path} ne "{link}";	2642	if $self->map && $self->map->{path} ne "{link}";
2300		2643
2301	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2644	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2302	}	2645	}
2303		2646
2304	sub cf::object::player::leave_link {	2647	sub cf::object::player::leave_link {
2305	my ($self, $map, $x, $y) = @_;	2648	my ($self, $map, $x, $y) = @_;
2306		2649
…		…
2323	($x, $y) = (-1, -1)	2666	($x, $y) = (-1, -1)
2324	unless (defined $x) && (defined $y);	2667	unless (defined $x) && (defined $y);
2325		2668
2326	# use -1 or undef as default coordinates, not 0, 0	2669	# use -1 or undef as default coordinates, not 0, 0
2327	($x, $y) = ($map->enter_x, $map->enter_y)	2670	($x, $y) = ($map->enter_x, $map->enter_y)
2328	if $x <=0 && $y <= 0;	2671	if $x <= 0 && $y <= 0;
2329		2672
2330	$map->load;	2673	$map->load;
2331	$map->load_diag;	2674	$map->load_neighbours;
2332		2675
2333	return unless $self->contr->active;	2676	return unless $self->contr->active;
2334	$self->activate_recursive;
2335		2677
2336	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2678	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2337	$self->enter_map ($map, $x, $y);	2679	if ($self->enter_map ($map, $x, $y)) {
2338	}	2680	# entering was successful
		2681	delete $self->{_link_recursion};
		2682	# only activate afterwards, to support waiting in hooks
		2683	$self->activate_recursive;
		2684	}
2339		2685
		2686	}
		2687
2340	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2688	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2341		2689
2342	Moves the player to the given map-path and coordinates by first freezing	2690	Moves the player to the given map-path and coordinates by first freezing
2343	her, loading and preparing them map, calling the provided $check callback	2691	her, loading and preparing them map, calling the provided $check callback
2344	that has to return the map if sucecssful, and then unfreezes the player on	2692	that has to return the map if sucecssful, and then unfreezes the player on
2345	the new (success) or old (failed) map position. In either case, $done will	2693	the new (success) or old (failed) map position. In either case, $done will
2346	be called at the end of this process.	2694	be called at the end of this process.
2347		2695
		2696	Note that $check will be called with a potentially non-loaded map, so if
		2697	it needs a loaded map it has to call C<< ->load >>.
		2698
2348	=cut	2699	=cut
2349		2700
2350	our $GOTOGEN;	2701	our $GOTOGEN;
2351		2702
2352	sub cf::object::player::goto {	2703	sub cf::object::player::goto {
2353	my ($self, $path, $x, $y, $check, $done) = @_;	2704	my ($self, $path, $x, $y, $check, $done) = @_;
2354		2705
		2706	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2707	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2708	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2709	($path, $x, $y) = @$EMERGENCY_POSITION;
		2710	}
		2711
2355	# do generation counting so two concurrent goto's will be executed in-order	2712	# do generation counting so two concurrent goto's will be executed in-order
2356	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2713	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2357		2714
2358	$self->enter_link;	2715	$self->enter_link;
2359		2716
2360	(async {	2717	(async {
		2718	$Coro::current->{desc} = "player::goto $path $x $y";
		2719
		2720	# *tag paths override both path and x|y
		2721	if ($path =~ /^\*(.*)$/) {
		2722	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2723	my $ob = $obs[rand @obs];
		2724
		2725	# see if we actually can go there
		2726	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2727	$ob = $obs[rand @obs];
		2728	} else {
		2729	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2730	}
		2731	# else put us there anyways for now #d#
		2732
		2733	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2734	} else {
		2735	($path, $x, $y) = (undef, undef, undef);
		2736	}
		2737	}
		2738
2361	my $map = eval {	2739	my $map = eval {
2362	my $map = cf::map::find $path;	2740	my $map = defined $path ? cf::map::find $path : undef;
2363		2741
2364	if ($map) {	2742	if ($map) {
2365	$map = $map->customise_for ($self);	2743	$map = $map->customise_for ($self);
2366	$map = $check->($map) if $check && $map;	2744	$map = $check->($map, $x, $y, $self) if $check && $map;
2367	} else {	2745	} else {
2368	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2746	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2369	}	2747	}
2370		2748
2371	$map	2749	$map
2372	};	2750	};
2373		2751
…		…
2379	if ($gen == $self->{_goto_generation}) {	2757	if ($gen == $self->{_goto_generation}) {
2380	delete $self->{_goto_generation};	2758	delete $self->{_goto_generation};
2381	$self->leave_link ($map, $x, $y);	2759	$self->leave_link ($map, $x, $y);
2382	}	2760	}
2383		2761
2384	$done->() if $done;	2762	$done->($self) if $done;
2385	})->prio (1);	2763	})->prio (1);
2386	}	2764	}
2387		2765
2388	=item $player_object->enter_exit ($exit_object)	2766	=item $player_object->enter_exit ($exit_object)
2389		2767
…		…
2409	}	2787	}
2410		2788
2411	sub prepare_random_map {	2789	sub prepare_random_map {
2412	my ($exit) = @_;	2790	my ($exit) = @_;
2413		2791
2414	my $guard = cf::lock_acquire "exit_prepare:$exit";
2415
2416	# all this does is basically replace the /! path by	2792	# all this does is basically replace the /! path by
2417	# a new random map path (?random/...) with a seed	2793	# a new random map path (?random/...) with a seed
2418	# that depends on the exit object	2794	# that depends on the exit object
2419		2795
2420	my $rmp = parse_random_map_params $exit->msg;	2796	my $rmp = parse_random_map_params $exit->msg;
…		…
2422	if ($exit->map) {	2798	if ($exit->map) {
2423	$rmp->{region} = $exit->region->name;	2799	$rmp->{region} = $exit->region->name;
2424	$rmp->{origin_map} = $exit->map->path;	2800	$rmp->{origin_map} = $exit->map->path;
2425	$rmp->{origin_x} = $exit->x;	2801	$rmp->{origin_x} = $exit->x;
2426	$rmp->{origin_y} = $exit->y;	2802	$rmp->{origin_y} = $exit->y;
		2803
		2804	$exit->map->touch;
2427	}	2805	}
2428		2806
2429	$rmp->{random_seed} ||= $exit->random_seed;	2807	$rmp->{random_seed} ||= $exit->random_seed;
2430		2808
2431	my $data = cf::to_json $rmp;	2809	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2432	my $md5 = Digest::MD5::md5_hex $data;	2810	my $md5 = Digest::MD5::md5_hex $data;
2433	my $meta = "$RANDOMDIR/$md5.meta";	2811	my $meta = "$RANDOMDIR/$md5.meta";
2434		2812
2435	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2813	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2436	aio_write $fh, 0, (length $data), $data, 0;	2814	aio_write $fh, 0, (length $data), $data, 0;
2437	undef $fh;	2815	undef $fh;
2438	aio_rename "$meta~", $meta;	2816	aio_rename "$meta~", $meta;
2439		2817
		2818	my $slaying = "?random/$md5";
		2819
		2820	if ($exit->valid) {
2440	$exit->slaying ("?random/$md5");	2821	$exit->slaying ("?random/$md5");
2441	$exit->msg (undef);	2822	$exit->msg (undef);
		2823	}
2442	}	2824	}
2443	}	2825	}
2444		2826
2445	sub cf::object::player::enter_exit {	2827	sub cf::object::player::enter_exit {
2446	my ($self, $exit) = @_;	2828	my ($self, $exit) = @_;
2447		2829
2448	return unless $self->type == cf::PLAYER;	2830	return unless $self->type == cf::PLAYER;
2449		2831
2450	if ($exit->slaying eq "/!") {
2451	#TODO: this should de-fi-ni-te-ly not be a sync-job
2452	# the problem is that $exit might not survive long enough
2453	# so it needs to be done right now, right here
2454	cf::sync_job { prepare_random_map $exit };
2455	}
2456
2457	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2458	my $hp = $exit->stats->hp;
2459	my $sp = $exit->stats->sp;
2460
2461	$self->enter_link;	2832	$self->enter_link;
2462		2833
2463	# if exit is damned, update players death & WoR home-position
2464	$self->contr->savebed ($slaying, $hp, $sp)
2465	if $exit->flag (FLAG_DAMNED);
2466
2467	(async {	2834	(async {
2468	$self->deactivate_recursive; # just to be sure	2835	$Coro::current->{desc} = "enter_exit";
		2836
2469	unless (eval {	2837	unless (eval {
		2838	$self->deactivate_recursive; # just to be sure
		2839
		2840	# random map handling
		2841	{
		2842	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2843
		2844	prepare_random_map $exit
		2845	if $exit->slaying eq "/!";
		2846	}
		2847
		2848	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2849	my $x = $exit->stats->hp;
		2850	my $y = $exit->stats->sp;
		2851
2470	$self->goto ($slaying, $hp, $sp);	2852	$self->goto ($map, $x, $y);
2471		2853
		2854	# if exit is damned, update players death & WoR home-position
		2855	$self->contr->savebed ($map, $x, $y)
		2856	if $exit->flag (cf::FLAG_DAMNED);
		2857
2472	1;	2858	1
2473	}) {	2859	}) {
2474	$self->message ("Something went wrong deep within the crossfire server. "	2860	$self->message ("Something went wrong deep within the deliantra server. "
2475	. "I'll try to bring you back to the map you were before. "	2861	. "I'll try to bring you back to the map you were before. "
2476	. "Please report this to the dungeon master!",	2862	. "Please report this to the dungeon master!",
2477	cf::NDI_UNIQUE | cf::NDI_RED);	2863	cf::NDI_UNIQUE | cf::NDI_RED);
2478		2864
2479	warn "ERROR in enter_exit: $@";	2865	error "ERROR in enter_exit: $@";
2480	$self->leave_link;	2866	$self->leave_link;
2481	}	2867	}
2482	})->prio (1);	2868	})->prio (1);
2483	}	2869	}
2484		2870
…		…
2496	sub cf::client::send_drawinfo {	2882	sub cf::client::send_drawinfo {
2497	my ($self, $text, $flags) = @_;	2883	my ($self, $text, $flags) = @_;
2498		2884
2499	utf8::encode $text;	2885	utf8::encode $text;
2500	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2886	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2887	}
		2888
		2889	=item $client->send_big_packet ($pkt)
		2890
		2891	Like C<send_packet>, but tries to compress large packets, and fragments
		2892	them as required.
		2893
		2894	=cut
		2895
		2896	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2897
		2898	sub cf::client::send_big_packet {
		2899	my ($self, $pkt) = @_;
		2900
		2901	# try lzf for large packets
		2902	$pkt = "lzf " . Compress::LZF::compress $pkt
		2903	if 1024 <= length $pkt and $self->{can_lzf};
		2904
		2905	# split very large packets
		2906	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2907	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2908	$pkt = "frag";
		2909	}
		2910
		2911	$self->send_packet ($pkt);
2501	}	2912	}
2502		2913
2503	=item $client->send_msg ($channel, $msg, $color, [extra...])	2914	=item $client->send_msg ($channel, $msg, $color, [extra...])
2504		2915
2505	Send a drawinfo or msg packet to the client, formatting the msg for the	2916	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2507	the message, with C<log> being the default. If C<$color> is negative, suppress	2918	the message, with C<log> being the default. If C<$color> is negative, suppress
2508	the message unless the client supports the msg packet.	2919	the message unless the client supports the msg packet.
2509		2920
2510	=cut	2921	=cut
2511		2922
		2923	# non-persistent channels (usually the info channel)
		2924	our %CHANNEL = (
		2925	"c/motd" => {
		2926	id => "infobox",
		2927	title => "MOTD",
		2928	reply => undef,
		2929	tooltip => "The message of the day",
		2930	},
		2931	"c/identify" => {
		2932	id => "infobox",
		2933	title => "Identify",
		2934	reply => undef,
		2935	tooltip => "Items recently identified",
		2936	},
		2937	"c/examine" => {
		2938	id => "infobox",
		2939	title => "Examine",
		2940	reply => undef,
		2941	tooltip => "Signs and other items you examined",
		2942	},
		2943	"c/shopinfo" => {
		2944	id => "infobox",
		2945	title => "Shop Info",
		2946	reply => undef,
		2947	tooltip => "What your bargaining skill tells you about the shop",
		2948	},
		2949	"c/book" => {
		2950	id => "infobox",
		2951	title => "Book",
		2952	reply => undef,
		2953	tooltip => "The contents of a note or book",
		2954	},
		2955	"c/lookat" => {
		2956	id => "infobox",
		2957	title => "Look",
		2958	reply => undef,
		2959	tooltip => "What you saw there",
		2960	},
		2961	"c/who" => {
		2962	id => "infobox",
		2963	title => "Players",
		2964	reply => undef,
		2965	tooltip => "Shows players who are currently online",
		2966	},
		2967	"c/body" => {
		2968	id => "infobox",
		2969	title => "Body Parts",
		2970	reply => undef,
		2971	tooltip => "Shows which body parts you posess and are available",
		2972	},
		2973	"c/statistics" => {
		2974	id => "infobox",
		2975	title => "Statistics",
		2976	reply => undef,
		2977	tooltip => "Shows your primary statistics",
		2978	},
		2979	"c/skills" => {
		2980	id => "infobox",
		2981	title => "Skills",
		2982	reply => undef,
		2983	tooltip => "Shows your experience per skill and item power",
		2984	},
		2985	"c/shopitems" => {
		2986	id => "infobox",
		2987	title => "Shop Items",
		2988	reply => undef,
		2989	tooltip => "Shows the items currently for sale in this shop",
		2990	},
		2991	"c/resistances" => {
		2992	id => "infobox",
		2993	title => "Resistances",
		2994	reply => undef,
		2995	tooltip => "Shows your resistances",
		2996	},
		2997	"c/pets" => {
		2998	id => "infobox",
		2999	title => "Pets",
		3000	reply => undef,
		3001	tooltip => "Shows information abotu your pets/a specific pet",
		3002	},
		3003	"c/perceiveself" => {
		3004	id => "infobox",
		3005	title => "Perceive Self",
		3006	reply => undef,
		3007	tooltip => "You gained detailed knowledge about yourself",
		3008	},
		3009	"c/uptime" => {
		3010	id => "infobox",
		3011	title => "Uptime",
		3012	reply => undef,
		3013	tooltip => "How long the server has been running since last restart",
		3014	},
		3015	"c/mapinfo" => {
		3016	id => "infobox",
		3017	title => "Map Info",
		3018	reply => undef,
		3019	tooltip => "Information related to the maps",
		3020	},
		3021	"c/party" => {
		3022	id => "party",
		3023	title => "Party",
		3024	reply => "gsay ",
		3025	tooltip => "Messages and chat related to your party",
		3026	},
		3027	"c/death" => {
		3028	id => "death",
		3029	title => "Death",
		3030	reply => undef,
		3031	tooltip => "Reason for and more info about your most recent death",
		3032	},
		3033	"c/say" => $SAY_CHANNEL,
		3034	"c/chat" => $CHAT_CHANNEL,
		3035	);
		3036
2512	sub cf::client::send_msg {	3037	sub cf::client::send_msg {
2513	my ($self, $channel, $msg, $color, @extra) = @_;	3038	my ($self, $channel, $msg, $color, @extra) = @_;
2514		3039
2515	$msg = $self->pl->expand_cfpod ($msg);	3040	$msg = $self->pl->expand_cfpod ($msg)
		3041	unless $color & cf::NDI_VERBATIM;
2516		3042
2517	$color &= ~cf::NDI_UNIQUE; # just in case...	3043	$color &= cf::NDI_CLIENT_MASK; # just in case...
2518		3044
		3045	# check predefined channels, for the benefit of C
		3046	if ($CHANNEL{$channel}) {
		3047	$channel = $CHANNEL{$channel};
		3048
		3049	$self->ext_msg (channel_info => $channel);
		3050	$channel = $channel->{id};
		3051
2519	if (ref $channel) {	3052	} elsif (ref $channel) {
2520	# send meta info to client, if not yet sent	3053	# send meta info to client, if not yet sent
2521	unless (exists $self->{channel}{$channel->{id}}) {	3054	unless (exists $self->{channel}{$channel->{id}}) {
2522	$self->{channel}{$channel->{id}} = $channel;	3055	$self->{channel}{$channel->{id}} = $channel;
2523	$self->ext_msg (channel_info => $channel);	3056	$self->ext_msg (channel_info => $channel);
2524	}	3057	}
…		…
2526	$channel = $channel->{id};	3059	$channel = $channel->{id};
2527	}	3060	}
2528		3061
2529	return unless @extra || length $msg;	3062	return unless @extra || length $msg;
2530		3063
2531	if ($self->can_msg) {	3064	# default colour, mask it out
2532	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));	3065	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2533	} else {	3066	if $color & cf::NDI_DEF;
2534	# replace some tags by gcfclient-compatible ones
2535	for ($msg) {
2536	1 while
2537	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2538	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2539	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2540	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2541	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2542	}
2543		3067
2544	if ($color >= 0) {	3068	my $pkt = "msg "
2545	if (0 && $msg =~ /\[/) {	3069	. $self->{json_coder}->encode (
2546	$self->send_packet ("drawextinfo $color 4 0 $msg")	3070	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2547	} else {	3071	);
2548	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	3072
2549	$self->send_packet ("drawinfo $color $msg")	3073	$self->send_big_packet ($pkt);
2550	}
2551	}
2552	}
2553	}	3074	}
2554		3075
2555	=item $client->ext_msg ($type, @msg)	3076	=item $client->ext_msg ($type, @msg)
2556		3077
2557	Sends an ext event to the client.	3078	Sends an ext event to the client.
…		…
2559	=cut	3080	=cut
2560		3081
2561	sub cf::client::ext_msg($$@) {	3082	sub cf::client::ext_msg($$@) {
2562	my ($self, $type, @msg) = @_;	3083	my ($self, $type, @msg) = @_;
2563		3084
2564	my $extcmd = $self->extcmd;
2565
2566	if ($extcmd == 2) {	3085	if ($self->extcmd == 2) {
2567	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3086	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2568	} elsif ($extcmd == 1) { # TODO: remove	3087	} elsif ($self->extcmd == 1) { # TODO: remove
2569	push @msg, msgtype => "event_$type";	3088	push @msg, msgtype => "event_$type";
2570	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3089	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3090	}
		3091	}
		3092
		3093	=item $client->ext_reply ($msgid, @msg)
		3094
		3095	Sends an ext reply to the client.
		3096
		3097	=cut
		3098
		3099	sub cf::client::ext_reply($$@) {
		3100	my ($self, $id, @msg) = @_;
		3101
		3102	if ($self->extcmd == 2) {
		3103	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3104	} elsif ($self->extcmd == 1) {
		3105	#TODO: version 1, remove
		3106	unshift @msg, msgtype => "reply", msgid => $id;
		3107	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2571	}	3108	}
2572	}	3109	}
2573		3110
2574	=item $success = $client->query ($flags, "text", \&cb)	3111	=item $success = $client->query ($flags, "text", \&cb)
2575		3112
…		…
2636	my ($type, $reply, @payload) =	3173	my ($type, $reply, @payload) =
2637	"ARRAY" eq ref $msg	3174	"ARRAY" eq ref $msg
2638	? @$msg	3175	? @$msg
2639	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	3176	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2640		3177
		3178	my @reply;
		3179
2641	if (my $cb = $EXTICMD{$type}) {	3180	if (my $cb = $EXTICMD{$type}) {
2642	my @reply = $cb->($ns, @payload);	3181	@reply = $cb->($ns, @payload);
2643
2644	$ns->ext_reply ($reply, @reply)
2645	if $reply;
2646	}	3182	}
		3183
		3184	$ns->ext_reply ($reply, @reply)
		3185	if $reply;
		3186
2647	} else {	3187	} else {
2648	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3188	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2649	}	3189	}
2650		3190
2651	cf::override;	3191	cf::override;
2652	},	3192	},
2653	);	3193	);
…		…
2673		3213
2674	$coro	3214	$coro
2675	}	3215	}
2676		3216
2677	cf::client->attach (	3217	cf::client->attach (
2678	on_destroy => sub {	3218	on_client_destroy => sub {
2679	my ($ns) = @_;	3219	my ($ns) = @_;
2680		3220
2681	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3221	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2682	},	3222	},
2683	);	3223	);
…		…
2698	our $safe = new Safe "safe";	3238	our $safe = new Safe "safe";
2699	our $safe_hole = new Safe::Hole;	3239	our $safe_hole = new Safe::Hole;
2700		3240
2701	$SIG{FPE} = 'IGNORE';	3241	$SIG{FPE} = 'IGNORE';
2702		3242
2703	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3243	$safe->permit_only (Opcode::opset qw(
		3244	:base_core :base_mem :base_orig :base_math :base_loop
		3245	grepstart grepwhile mapstart mapwhile
		3246	sort time
		3247	));
2704		3248
2705	# here we export the classes and methods available to script code	3249	# here we export the classes and methods available to script code
2706		3250
2707	=pod	3251	=pod
2708		3252
2709	The following functions and methods are available within a safe environment:	3253	The following functions and methods are available within a safe environment:
2710		3254
2711	cf::object	3255	cf::object
2712	contr pay_amount pay_player map x y force_find force_add	3256	contr pay_amount pay_player map x y force_find force_add destroy
2713	insert remove	3257	insert remove name archname title slaying race decrease split
		3258	value
2714		3259
2715	cf::object::player	3260	cf::object::player
2716	player	3261	player
2717		3262
2718	cf::player	3263	cf::player
…		…
2723		3268
2724	=cut	3269	=cut
2725		3270
2726	for (	3271	for (
2727	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3272	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2728	insert remove)],	3273	insert remove inv nrof name archname title slaying race
		3274	decrease split destroy change_exp value msg lore send_msg)],
2729	["cf::object::player" => qw(player)],	3275	["cf::object::player" => qw(player)],
2730	["cf::player" => qw(peaceful)],	3276	["cf::player" => qw(peaceful send_msg)],
2731	["cf::map" => qw(trigger)],	3277	["cf::map" => qw(trigger)],
2732	) {	3278	) {
2733	no strict 'refs';	3279	no strict 'refs';
2734	my ($pkg, @funs) = @$_;	3280	my ($pkg, @funs) = @$_;
2735	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3281	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2753		3299
2754	my $qcode = $code;	3300	my $qcode = $code;
2755	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3301	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2756	$qcode =~ s/\n/\\n/g;	3302	$qcode =~ s/\n/\\n/g;
2757		3303
		3304	%vars = (_dummy => 0) unless %vars;
		3305
		3306	my @res;
2758	local $_;	3307	local $_;
2759	local @safe::cf::_safe_eval_args = values %vars;
2760		3308
2761	my $eval =	3309	my $eval =
2762	"do {\n"	3310	"do {\n"
2763	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3311	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2764	. "#line 0 \"{$qcode}\"\n"	3312	. "#line 0 \"{$qcode}\"\n"
2765	. $code	3313	. $code
2766	. "\n}"	3314	. "\n}"
2767	;	3315	;
2768		3316
		3317	if ($CFG{safe_eval}) {
2769	sub_generation_inc;	3318	sub_generation_inc;
		3319	local @safe::cf::_safe_eval_args = values %vars;
2770	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3320	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2771	sub_generation_inc;	3321	sub_generation_inc;
		3322	} else {
		3323	local @cf::_safe_eval_args = values %vars;
		3324	@res = wantarray ? eval eval : scalar eval $eval;
		3325	}
2772		3326
2773	if ($@) {	3327	if ($@) {
2774	warn "$@";	3328	warn "$@",
2775	warn "while executing safe code '$code'\n";	3329	"while executing safe code '$code'\n",
2776	warn "with arguments " . (join " ", %vars) . "\n";	3330	"with arguments " . (join " ", %vars) . "\n";
2777	}	3331	}
2778		3332
2779	wantarray ? @res : $res[0]	3333	wantarray ? @res : $res[0]
2780	}	3334	}
2781		3335
…		…
2795	=cut	3349	=cut
2796		3350
2797	sub register_script_function {	3351	sub register_script_function {
2798	my ($fun, $cb) = @_;	3352	my ($fun, $cb) = @_;
2799		3353
2800	no strict 'refs';	3354	$fun = "safe::$fun" if $CFG{safe_eval};
2801	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3355	*$fun = $safe_hole->wrap ($cb);
2802	}	3356	}
2803		3357
2804	=back	3358	=back
2805		3359
2806	=cut	3360	=cut
…		…
2809	# the server's init and main functions	3363	# the server's init and main functions
2810		3364
2811	sub load_facedata($) {	3365	sub load_facedata($) {
2812	my ($path) = @_;	3366	my ($path) = @_;
2813		3367
		3368	# HACK to clear player env face cache, we need some signal framework
		3369	# for this (global event?)
		3370	%ext::player_env::MUSIC_FACE_CACHE = ();
		3371
		3372	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3373
2814	warn "loading facedata from $path\n";	3374	trace "loading facedata from $path\n";
2815		3375
2816	my $facedata;	3376	my $facedata;
2817	0 < aio_load $path, $facedata	3377	0 < aio_load $path, $facedata
2818	or die "$path: $!";	3378	or die "$path: $!";
2819		3379
2820	$facedata = Coro::Storable::thaw $facedata;	3380	$facedata = Coro::Storable::thaw $facedata;
2821		3381
2822	$facedata->{version} == 2	3382	$facedata->{version} == 2
2823	or cf::cleanup "$path: version mismatch, cannot proceed.";	3383	or cf::cleanup "$path: version mismatch, cannot proceed.";
2824		3384
		3385	# patch in the exptable
		3386	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3387	$facedata->{resource}{"res/exp_table"} = {
		3388	type => FT_RSRC,
		3389	data => $exp_table,
		3390	hash => (Digest::MD5::md5 $exp_table),
		3391	};
		3392	cf::cede_to_tick;
		3393
2825	{	3394	{
2826	my $faces = $facedata->{faceinfo};	3395	my $faces = $facedata->{faceinfo};
2827		3396
2828	while (my ($face, $info) = each %$faces) {	3397	while (my ($face, $info) = each %$faces) {
2829	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3398	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3399
2830	cf::face::set_visibility $idx, $info->{visibility};	3400	cf::face::set_visibility $idx, $info->{visibility};
2831	cf::face::set_magicmap $idx, $info->{magicmap};	3401	cf::face::set_magicmap $idx, $info->{magicmap};
2832	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3402	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2833	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3403	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2834		3404
2835	cf::cede_to_tick;	3405	cf::cede_to_tick;
2836	}	3406	}
2837		3407
2838	while (my ($face, $info) = each %$faces) {	3408	while (my ($face, $info) = each %$faces) {
2839	next unless $info->{smooth};	3409	next unless $info->{smooth};
		3410
2840	my $idx = cf::face::find $face	3411	my $idx = cf::face::find $face
2841	or next;	3412	or next;
		3413
2842	if (my $smooth = cf::face::find $info->{smooth}) {	3414	if (my $smooth = cf::face::find $info->{smooth}) {
2843	cf::face::set_smooth $idx, $smooth;	3415	cf::face::set_smooth $idx, $smooth;
2844	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3416	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2845	} else {	3417	} else {
2846	warn "smooth face '$info->{smooth}' not found for face '$face'";	3418	error "smooth face '$info->{smooth}' not found for face '$face'";
2847	}	3419	}
2848		3420
2849	cf::cede_to_tick;	3421	cf::cede_to_tick;
2850	}	3422	}
2851	}	3423	}
…		…
2860		3432
2861	cf::anim::invalidate_all; # d'oh	3433	cf::anim::invalidate_all; # d'oh
2862	}	3434	}
2863		3435
2864	{	3436	{
2865	# TODO: for gcfclient pleasure, we should give resources
2866	# that gcfclient doesn't grok a >10000 face index.
2867	my $res = $facedata->{resource};	3437	my $res = $facedata->{resource};
2868	my $enc = JSON::XS->new->utf8->canonical;
2869
2870	my $soundconf = delete $res->{"res/sound.conf"};
2871		3438
2872	while (my ($name, $info) = each %$res) {	3439	while (my ($name, $info) = each %$res) {
2873	my $meta = $enc->encode ({	3440	if (defined $info->{type}) {
2874	name => $name,
2875	%{ $info->{meta} || {} },
2876	});
2877
2878	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3441	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2879		3442
2880	if ($info->{type} & 1) {
2881	# prepend meta info
2882
2883	my $data = pack "(w/a*)*", $meta, $info->{data};
2884	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2885
2886	cf::face::set_data $idx, 0, $data, $chk;	3443	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3444	cf::face::set_type $idx, $info->{type};
2887	} else {	3445	} else {
2888	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};	3446	$RESOURCE{$name} = $info; # unused
2889	}	3447	}
2890		3448
2891	cf::face::set_type $idx, $info->{type};
2892
2893	cf::cede_to_tick;	3449	cf::cede_to_tick;
2894	}	3450	}
2895
2896	if ($soundconf) {
2897	$soundconf = $enc->decode (delete $soundconf->{data});
2898
2899	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2900	my $sound = $soundconf->{compat}[$_]
2901	or next;
2902
2903	my $face = cf::face::find "sound/$sound->[1]";
2904	warn "$sound->[0]: $face\n";#d#
2905
2906	cf::sound::set $sound->[0] => $face;
2907	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2908	}
2909
2910	#TODO
2911	}
2912	}	3451	}
		3452
		3453	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2913		3454
2914	1	3455	1
2915	}	3456	}
2916		3457
2917	register_exticmd fx_want => sub {	3458	register_exticmd fx_want => sub {
…		…
2920	while (my ($k, $v) = each %$want) {	3461	while (my ($k, $v) = each %$want) {
2921	$ns->fx_want ($k, $v);	3462	$ns->fx_want ($k, $v);
2922	}	3463	}
2923	};	3464	};
2924		3465
		3466	sub load_resource_file($) {
		3467	my $guard = lock_acquire "load_resource_file";
		3468
		3469	my $status = load_resource_file_ $_[0];
		3470	get_slot 0.1, 100;
		3471	cf::arch::commit_load;
		3472
		3473	$status
		3474	}
		3475
2925	sub reload_regions {	3476	sub reload_regions {
		3477	# HACK to clear player env face cache, we need some signal framework
		3478	# for this (global event?)
		3479	%ext::player_env::MUSIC_FACE_CACHE = ();
		3480
2926	load_resource_file "$MAPDIR/regions"	3481	load_resource_file "$MAPDIR/regions"
2927	or die "unable to load regions file\n";	3482	or die "unable to load regions file\n";
2928		3483
2929	for (cf::region::list) {	3484	for (cf::region::list) {
2930	$_->{match} = qr/$_->{match}/	3485	$_->{match} = qr/$_->{match}/
…		…
2938	}	3493	}
2939		3494
2940	sub reload_archetypes {	3495	sub reload_archetypes {
2941	load_resource_file "$DATADIR/archetypes"	3496	load_resource_file "$DATADIR/archetypes"
2942	or die "unable to load archetypes\n";	3497	or die "unable to load archetypes\n";
2943	#d# NEED to laod twice to resolve forward references
2944	# this really needs to be done in an extra post-pass
2945	# (which needs to be synchronous, so solve it differently)
2946	load_resource_file "$DATADIR/archetypes"
2947	or die "unable to load archetypes\n";
2948	}	3498	}
2949		3499
2950	sub reload_treasures {	3500	sub reload_treasures {
2951	load_resource_file "$DATADIR/treasures"	3501	load_resource_file "$DATADIR/treasures"
2952	or die "unable to load treasurelists\n";	3502	or die "unable to load treasurelists\n";
2953	}	3503	}
2954		3504
		3505	sub reload_sound {
		3506	trace "loading sound config from $DATADIR/sound\n";
		3507
		3508	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3509	or die "$DATADIR/sound $!";
		3510
		3511	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3512
		3513	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3514	my $sound = $soundconf->{compat}[$_]
		3515	or next;
		3516
		3517	my $face = cf::face::find "sound/$sound->[1]";
		3518	cf::sound::set $sound->[0] => $face;
		3519	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3520	}
		3521
		3522	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3523	my $face = cf::face::find "sound/$v";
		3524	cf::sound::set $k => $face;
		3525	}
		3526	}
		3527
2955	sub reload_resources {	3528	sub reload_resources {
2956	warn "reloading resource files...\n";	3529	trace "reloading resource files...\n";
2957		3530
		3531	reload_facedata;
		3532	reload_sound;
		3533	reload_archetypes;
2958	reload_regions;	3534	reload_regions;
2959	reload_facedata;
2960	#reload_archetypes;#d#
2961	reload_archetypes;
2962	reload_treasures;	3535	reload_treasures;
2963		3536
2964	warn "finished reloading resource files\n";	3537	trace "finished reloading resource files\n";
2965	}	3538	}
2966		3539
2967	sub init {	3540	sub reload_config {
2968	reload_resources;	3541	trace "reloading config file...\n";
2969	}
2970		3542
2971	sub cfg_load {
2972	open my $fh, "<:utf8", "$CONFDIR/config"	3543	open my $fh, "<:utf8", "$CONFDIR/config"
2973	or return;	3544	or return;
2974		3545
2975	local $/;	3546	local $/;
2976	*CFG = YAML::Syck::Load <$fh>;	3547	*CFG = YAML::XS::Load scalar <$fh>;
2977		3548
2978	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3549	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2979		3550
2980	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3551	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2981	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3552	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2982		3553
2983	if (exists $CFG{mlockall}) {	3554	if (exists $CFG{mlockall}) {
…		…
2985	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3556	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2986	and die "WARNING: m(un)lockall failed: $!\n";	3557	and die "WARNING: m(un)lockall failed: $!\n";
2987	};	3558	};
2988	warn $@ if $@;	3559	warn $@ if $@;
2989	}	3560	}
		3561
		3562	trace "finished reloading resource files\n";
		3563	}
		3564
		3565	sub pidfile() {
		3566	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3567	or die "$PIDFILE: $!";
		3568	flock $fh, &Fcntl::LOCK_EX
		3569	or die "$PIDFILE: flock: $!";
		3570	$fh
		3571	}
		3572
		3573	# make sure only one server instance is running at any one time
		3574	sub atomic {
		3575	my $fh = pidfile;
		3576
		3577	my $pid = <$fh>;
		3578	kill 9, $pid if $pid > 0;
		3579
		3580	seek $fh, 0, 0;
		3581	print $fh $$;
		3582	}
		3583
		3584	sub main_loop {
		3585	trace "EV::loop starting\n";
		3586	if (1) {
		3587	EV::loop;
		3588	}
		3589	trace "EV::loop returned\n";
		3590	goto &main_loop unless $REALLY_UNLOOP;
2990	}	3591	}
2991		3592
2992	sub main {	3593	sub main {
		3594	cf::init_globals; # initialise logging
		3595
		3596	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3597	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3598	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3599	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3600
		3601	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3602
2993	# we must not ever block the main coroutine	3603	# we must not ever block the main coroutine
2994	local $Coro::idle = sub {	3604	local $Coro::idle = sub {
2995	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3605	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2996	(async {	3606	(async {
2997	Event::one_event;	3607	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3608	EV::loop EV::LOOP_ONESHOT;
2998	})->prio (Coro::PRIO_MAX);	3609	})->prio (Coro::PRIO_MAX);
2999	};	3610	};
3000		3611
3001	cfg_load;	3612	evthread_start IO::AIO::poll_fileno;
		3613
		3614	cf::sync_job {
		3615	cf::init_experience;
		3616	cf::init_anim;
		3617	cf::init_attackmess;
		3618	cf::init_dynamic;
		3619
		3620	cf::load_settings;
		3621	cf::load_materials;
		3622
		3623	reload_resources;
		3624	reload_config;
3002	db_init;	3625	db_init;
		3626
		3627	cf::init_uuid;
		3628	cf::init_signals;
		3629	cf::init_skills;
		3630
		3631	cf::init_beforeplay;
		3632
		3633	atomic;
		3634
3003	load_extensions;	3635	load_extensions;
3004		3636
3005	$TICK_WATCHER->start;	3637	utime time, time, $RUNTIMEFILE;
3006	Event::loop;	3638
		3639	# no (long-running) fork's whatsoever before this point(!)
		3640	use POSIX ();
		3641	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3642
		3643	(pop @POST_INIT)->(0) while @POST_INIT;
		3644	};
		3645
		3646	cf::object::thawer::errors_are_fatal 0;
		3647	info "parse errors in files are no longer fatal from this point on.\n";
		3648
		3649	main_loop;
3007	}	3650	}
3008		3651
3009	#############################################################################	3652	#############################################################################
3010	# initialisation and cleanup	3653	# initialisation and cleanup
3011		3654
3012	# install some emergency cleanup handlers	3655	# install some emergency cleanup handlers
3013	BEGIN {	3656	BEGIN {
		3657	our %SIGWATCHER = ();
3014	for my $signal (qw(INT HUP TERM)) {	3658	for my $signal (qw(INT HUP TERM)) {
3015	Event->signal (	3659	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3016	reentrant => 0,
3017	data => WF_AUTOCANCEL,
3018	signal => $signal,
3019	prio => 0,
3020	cb => sub {
3021	cf::cleanup "SIG$signal";	3660	cf::cleanup "SIG$signal";
3022	},
3023	);	3661	};
3024	}	3662	}
3025	}	3663	}
3026		3664
3027	sub write_runtime {	3665	sub write_runtime_sync {
3028	my $runtime = "$LOCALDIR/runtime";	3666	my $t0 = AE::time;
3029		3667
3030	# first touch the runtime file to show we are still running:	3668	# first touch the runtime file to show we are still running:
3031	# the fsync below can take a very very long time.	3669	# the fsync below can take a very very long time.
3032		3670
3033	IO::AIO::aio_utime $runtime, undef, undef;	3671	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3034		3672
3035	my $guard = cf::lock_acquire "write_runtime";	3673	my $guard = cf::lock_acquire "write_runtime";
3036		3674
3037	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3675	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3038	or return;	3676	or return;
3039		3677
3040	my $value = $cf::RUNTIME + 90 + 10;	3678	my $value = $cf::RUNTIME + 90 + 10;
3041	# 10 is the runtime save interval, for a monotonic clock	3679	# 10 is the runtime save interval, for a monotonic clock
3042	# 60 allows for the watchdog to kill the server.	3680	# 60 allows for the watchdog to kill the server.
…		…
3052	aio_utime $fh, undef, undef;	3690	aio_utime $fh, undef, undef;
3053		3691
3054	close $fh	3692	close $fh
3055	or return;	3693	or return;
3056		3694
3057	aio_rename "$runtime~", $runtime	3695	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3058	and return;	3696	and return;
3059		3697
3060	warn "runtime file written.\n";	3698	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3061		3699
3062	1	3700	1
		3701	}
		3702
		3703	our $uuid_lock;
		3704	our $uuid_skip;
		3705
		3706	sub write_uuid_sync($) {
		3707	$uuid_skip ||= $_[0];
		3708
		3709	return if $uuid_lock;
		3710	local $uuid_lock = 1;
		3711
		3712	my $uuid = "$LOCALDIR/uuid";
		3713
		3714	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3715	or return;
		3716
		3717	my $value = uuid_seq uuid_cur;
		3718
		3719	unless ($value) {
		3720	info "cowardly refusing to write zero uuid value!\n";
		3721	return;
		3722	}
		3723
		3724	my $value = uuid_str $value + $uuid_skip;
		3725	$uuid_skip = 0;
		3726
		3727	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3728	and return;
		3729
		3730	# always fsync - this file is important
		3731	aio_fsync $fh
		3732	and return;
		3733
		3734	close $fh
		3735	or return;
		3736
		3737	aio_rename "$uuid~", $uuid
		3738	and return;
		3739
		3740	trace "uuid file written ($value).\n";
		3741
		3742	1
		3743
		3744	}
		3745
		3746	sub write_uuid($$) {
		3747	my ($skip, $sync) = @_;
		3748
		3749	$sync ? write_uuid_sync $skip
		3750	: async { write_uuid_sync $skip };
3063	}	3751	}
3064		3752
3065	sub emergency_save() {	3753	sub emergency_save() {
3066	my $freeze_guard = cf::freeze_mainloop;	3754	my $freeze_guard = cf::freeze_mainloop;
3067		3755
3068	warn "enter emergency perl save\n";	3756	info "emergency_perl_save: enter\n";
		3757
		3758	# this is a trade-off: we want to be very quick here, so
		3759	# save all maps without fsync, and later call a global sync
		3760	# (which in turn might be very very slow)
		3761	local $USE_FSYNC = 0;
3069		3762
3070	cf::sync_job {	3763	cf::sync_job {
		3764	cf::write_runtime_sync; # external watchdog should not bark
		3765
3071	# use a peculiar iteration method to avoid tripping on perl	3766	# use a peculiar iteration method to avoid tripping on perl
3072	# refcount bugs in for. also avoids problems with players	3767	# refcount bugs in for. also avoids problems with players
3073	# and maps saved/destroyed asynchronously.	3768	# and maps saved/destroyed asynchronously.
3074	warn "begin emergency player save\n";	3769	info "emergency_perl_save: begin player save\n";
3075	for my $login (keys %cf::PLAYER) {	3770	for my $login (keys %cf::PLAYER) {
3076	my $pl = $cf::PLAYER{$login} or next;	3771	my $pl = $cf::PLAYER{$login} or next;
3077	$pl->valid or next;	3772	$pl->valid or next;
		3773	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3078	$pl->save;	3774	$pl->save;
3079	}	3775	}
3080	warn "end emergency player save\n";	3776	info "emergency_perl_save: end player save\n";
3081		3777
3082	warn "begin emergency map save\n";	3778	cf::write_runtime_sync; # external watchdog should not bark
		3779
		3780	info "emergency_perl_save: begin map save\n";
3083	for my $path (keys %cf::MAP) {	3781	for my $path (keys %cf::MAP) {
3084	my $map = $cf::MAP{$path} or next;	3782	my $map = $cf::MAP{$path} or next;
3085	$map->valid or next;	3783	$map->valid or next;
3086	$map->save;	3784	$map->save;
3087	}	3785	}
3088	warn "end emergency map save\n";	3786	info "emergency_perl_save: end map save\n";
3089		3787
3090	warn "begin emergency database checkpoint\n";	3788	cf::write_runtime_sync; # external watchdog should not bark
		3789
		3790	info "emergency_perl_save: begin database checkpoint\n";
3091	BDB::db_env_txn_checkpoint $DB_ENV;	3791	BDB::db_env_txn_checkpoint $DB_ENV;
3092	warn "end emergency database checkpoint\n";	3792	info "emergency_perl_save: end database checkpoint\n";
		3793
		3794	info "emergency_perl_save: begin write uuid\n";
		3795	write_uuid_sync 1;
		3796	info "emergency_perl_save: end write uuid\n";
		3797
		3798	cf::write_runtime_sync; # external watchdog should not bark
		3799
		3800	trace "emergency_perl_save: syncing database to disk";
		3801	BDB::db_env_txn_checkpoint $DB_ENV;
		3802
		3803	info "emergency_perl_save: starting sync\n";
		3804	IO::AIO::aio_sync sub {
		3805	info "emergency_perl_save: finished sync\n";
		3806	};
		3807
		3808	cf::write_runtime_sync; # external watchdog should not bark
		3809
		3810	trace "emergency_perl_save: flushing outstanding aio requests";
		3811	while (IO::AIO::nreqs || BDB::nreqs) {
		3812	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3813	}
		3814
		3815	cf::write_runtime_sync; # external watchdog should not bark
3093	};	3816	};
3094		3817
3095	warn "leave emergency perl save\n";	3818	info "emergency_perl_save: leave\n";
3096	}	3819	}
3097		3820
3098	sub post_cleanup {	3821	sub post_cleanup {
3099	my ($make_core) = @_;	3822	my ($make_core) = @_;
3100		3823
		3824	IO::AIO::flush;
		3825
3101	warn Carp::longmess "post_cleanup backtrace"	3826	error Carp::longmess "post_cleanup backtrace"
3102	if $make_core;	3827	if $make_core;
		3828
		3829	my $fh = pidfile;
		3830	unlink $PIDFILE if <$fh> == $$;
		3831	}
		3832
		3833	# a safer delete_package, copied from Symbol
		3834	sub clear_package($) {
		3835	my $pkg = shift;
		3836
		3837	# expand to full symbol table name if needed
		3838	unless ($pkg =~ /^main::.*::$/) {
		3839	$pkg = "main$pkg" if $pkg =~ /^::/;
		3840	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3841	$pkg .= '::' unless $pkg =~ /::$/;
		3842	}
		3843
		3844	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3845	my $stem_symtab = *{$stem}{HASH};
		3846
		3847	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3848	or return;
		3849
		3850	# clear all symbols
		3851	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3852	for my $name (keys %$leaf_symtab) {
		3853	_gv_clear *{"$pkg$name"};
		3854	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3855	}
3103	}	3856	}
3104		3857
3105	sub do_reload_perl() {	3858	sub do_reload_perl() {
3106	# can/must only be called in main	3859	# can/must only be called in main
3107	if ($Coro::current != $Coro::main) {	3860	if (in_main) {
3108	warn "can only reload from main coroutine";	3861	error "can only reload from main coroutine";
3109	return;	3862	return;
3110	}	3863	}
3111		3864
		3865	return if $RELOAD++;
		3866
		3867	my $t1 = AE::time;
		3868
		3869	while ($RELOAD) {
3112	warn "reloading...";	3870	info "reloading...";
3113		3871
3114	warn "entering sync_job";	3872	trace "entering sync_job";
3115		3873
3116	cf::sync_job {	3874	cf::sync_job {
3117	cf::write_runtime; # external watchdog should not bark
3118	cf::emergency_save;	3875	cf::emergency_save;
3119	cf::write_runtime; # external watchdog should not bark
3120		3876
3121	warn "syncing database to disk";
3122	BDB::db_env_txn_checkpoint $DB_ENV;
3123
3124	# if anything goes wrong in here, we should simply crash as we already saved
3125
3126	warn "cancelling all WF_AUTOCANCEL watchers";
3127	for (Event::all_watchers) {
3128	$_->cancel if $_->data & WF_AUTOCANCEL;
3129	}
3130
3131	warn "flushing outstanding aio requests";
3132	for (;;) {
3133	BDB::flush;
3134	IO::AIO::flush;
3135	Coro::cede;
3136	last unless IO::AIO::nreqs || BDB::nreqs;
3137	warn "iterate...";
3138	}
3139
3140	++$RELOAD;
3141
3142	warn "cancelling all extension coros";	3877	trace "cancelling all extension coros";
3143	$_->cancel for values %EXT_CORO;	3878	$_->cancel for values %EXT_CORO;
3144	%EXT_CORO = ();	3879	%EXT_CORO = ();
3145		3880
3146	warn "removing commands";	3881	trace "removing commands";
3147	%COMMAND = ();	3882	%COMMAND = ();
3148		3883
3149	warn "removing ext/exti commands";	3884	trace "removing ext/exti commands";
3150	%EXTCMD = ();	3885	%EXTCMD = ();
3151	%EXTICMD = ();	3886	%EXTICMD = ();
3152		3887
3153	warn "unloading/nuking all extensions";	3888	trace "unloading/nuking all extensions";
3154	for my $pkg (@EXTS) {	3889	for my $pkg (@EXTS) {
3155	warn "... unloading $pkg";	3890	trace "... unloading $pkg";
3156		3891
3157	if (my $cb = $pkg->can ("unload")) {	3892	if (my $cb = $pkg->can ("unload")) {
3158	eval {	3893	eval {
3159	$cb->($pkg);	3894	$cb->($pkg);
3160	1	3895	1
3161	} or warn "$pkg unloaded, but with errors: $@";	3896	} or error "$pkg unloaded, but with errors: $@";
		3897	}
		3898
		3899	trace "... clearing $pkg";
		3900	clear_package $pkg;
3162	}	3901	}
3163		3902
3164	warn "... nuking $pkg";
3165	Symbol::delete_package $pkg;
3166	}
3167
3168	warn "unloading all perl modules loaded from $LIBDIR";	3903	trace "unloading all perl modules loaded from $LIBDIR";
3169	while (my ($k, $v) = each %INC) {	3904	while (my ($k, $v) = each %INC) {
3170	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3905	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3171		3906
3172	warn "... unloading $k";	3907	trace "... unloading $k";
3173	delete $INC{$k};	3908	delete $INC{$k};
3174		3909
3175	$k =~ s/\.pm$//;	3910	$k =~ s/\.pm$//;
3176	$k =~ s/\//::/g;	3911	$k =~ s/\//::/g;
3177		3912
3178	if (my $cb = $k->can ("unload_module")) {	3913	if (my $cb = $k->can ("unload_module")) {
3179	$cb->();	3914	$cb->();
		3915	}
		3916
		3917	clear_package $k;
3180	}	3918	}
3181		3919
3182	Symbol::delete_package $k;
3183	}
3184
3185	warn "getting rid of safe::, as good as possible";	3920	trace "getting rid of safe::, as good as possible";
3186	Symbol::delete_package "safe::$_"	3921	clear_package "safe::$_"
3187	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3922	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3188		3923
3189	warn "unloading cf.pm \"a bit\"";	3924	trace "unloading cf.pm \"a bit\"";
3190	delete $INC{"cf.pm"};	3925	delete $INC{"cf.pm"};
3191	delete $INC{"cf/pod.pm"};	3926	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3192		3927
3193	# don't, removes xs symbols, too,	3928	# don't, removes xs symbols, too,
3194	# and global variables created in xs	3929	# and global variables created in xs
3195	#Symbol::delete_package __PACKAGE__;	3930	#clear_package __PACKAGE__;
3196		3931
3197	warn "unload completed, starting to reload now";	3932	info "unload completed, starting to reload now";
3198		3933
3199	warn "reloading cf.pm";	3934	trace "reloading cf.pm";
3200	require cf;	3935	require cf;
3201	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3936	cf::_connect_to_perl_1;
3202		3937
3203	warn "loading config and database again";	3938	trace "loading config and database again";
3204	cf::cfg_load;	3939	cf::reload_config;
3205		3940
3206	warn "loading extensions";	3941	trace "loading extensions";
3207	cf::load_extensions;	3942	cf::load_extensions;
3208		3943
		3944	if ($REATTACH_ON_RELOAD) {
3209	warn "reattaching attachments to objects/players";	3945	trace "reattaching attachments to objects/players";
3210	_global_reattach; # objects, sockets	3946	_global_reattach; # objects, sockets
3211	warn "reattaching attachments to maps";	3947	trace "reattaching attachments to maps";
3212	reattach $_ for values %MAP;	3948	reattach $_ for values %MAP;
3213	warn "reattaching attachments to players";	3949	trace "reattaching attachments to players";
3214	reattach $_ for values %PLAYER;	3950	reattach $_ for values %PLAYER;
		3951	}
3215		3952
		3953	trace "running post_init jobs";
		3954	(pop @POST_INIT)->(1) while @POST_INIT;
		3955
3216	warn "leaving sync_job";	3956	trace "leaving sync_job";
3217		3957
3218	1	3958	1
3219	} or do {	3959	} or do {
3220	warn $@;	3960	error $@;
3221	warn "error while reloading, exiting.";	3961	cf::cleanup "error while reloading, exiting.";
3222	exit 1;	3962	};
		3963
		3964	info "reloaded";
		3965	--$RELOAD;
3223	};	3966	}
3224		3967
3225	warn "reloaded";	3968	$t1 = AE::time - $t1;
		3969	info "reload completed in ${t1}s\n";
3226	};	3970	};
3227		3971
3228	our $RELOAD_WATCHER; # used only during reload	3972	our $RELOAD_WATCHER; # used only during reload
3229		3973
3230	sub reload_perl() {	3974	sub reload_perl() {
3231	# doing reload synchronously and two reloads happen back-to-back,	3975	# doing reload synchronously and two reloads happen back-to-back,
3232	# coro crashes during coro_state_free->destroy here.	3976	# coro crashes during coro_state_free->destroy here.
3233		3977
3234	$RELOAD_WATCHER ||= Event->timer (	3978	$RELOAD_WATCHER ||= cf::async {
3235	reentrant => 0,	3979	Coro::AIO::aio_wait cache_extensions;
3236	after => 0,	3980
3237	data => WF_AUTOCANCEL,	3981	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3238	cb => sub {
3239	do_reload_perl;	3982	do_reload_perl;
3240	undef $RELOAD_WATCHER;	3983	undef $RELOAD_WATCHER;
3241	},	3984	};
3242	);	3985	};
3243	}	3986	}
3244		3987
3245	register_command "reload" => sub {	3988	register_command "reload" => sub {
3246	my ($who, $arg) = @_;	3989	my ($who, $arg) = @_;
3247		3990
3248	if ($who->flag (FLAG_WIZ)) {	3991	if ($who->flag (FLAG_WIZ)) {
3249	$who->message ("reloading server.");	3992	$who->message ("reloading server.");
		3993	async {
		3994	$Coro::current->{desc} = "perl_reload";
3250	async { reload_perl };	3995	reload_perl;
		3996	};
3251	}	3997	}
3252	};	3998	};
3253		3999
3254	unshift @INC, $LIBDIR;	4000	unshift @INC, $LIBDIR;
3255		4001
…		…
3257		4003
3258	our @WAIT_FOR_TICK;	4004	our @WAIT_FOR_TICK;
3259	our @WAIT_FOR_TICK_BEGIN;	4005	our @WAIT_FOR_TICK_BEGIN;
3260		4006
3261	sub wait_for_tick {	4007	sub wait_for_tick {
3262	return unless $TICK_WATCHER->is_active;
3263	return if $Coro::current == $Coro::main;	4008	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3264		4009
3265	my $signal = new Coro::Signal;	4010	my $signal = new Coro::Signal;
3266	push @WAIT_FOR_TICK, $signal;	4011	push @WAIT_FOR_TICK, $signal;
3267	$signal->wait;	4012	$signal->wait;
3268	}	4013	}
3269		4014
3270	sub wait_for_tick_begin {	4015	sub wait_for_tick_begin {
3271	return unless $TICK_WATCHER->is_active;
3272	return if $Coro::current == $Coro::main;	4016	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3273		4017
3274	my $signal = new Coro::Signal;	4018	my $signal = new Coro::Signal;
3275	push @WAIT_FOR_TICK_BEGIN, $signal;	4019	push @WAIT_FOR_TICK_BEGIN, $signal;
3276	$signal->wait;	4020	$signal->wait;
3277	}	4021	}
3278		4022
3279	my $min = 1e6;#d#	4023	sub tick {
3280	my $avg = 10;
3281	$TICK_WATCHER = Event->timer (
3282	reentrant => 0,
3283	parked => 1,
3284	prio => 0,
3285	at => $NEXT_TICK || $TICK,
3286	data => WF_AUTOCANCEL,
3287	cb => sub {
3288	if ($Coro::current != $Coro::main) {	4024	if ($Coro::current != $Coro::main) {
3289	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4025	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3290	unless ++$bug_warning > 10;	4026	unless ++$bug_warning > 10;
3291	return;	4027	return;
3292	}	4028	}
3293		4029
3294	$NOW = $tick_start = Event::time;
3295
3296	cf::server_tick; # one server iteration	4030	cf::server_tick; # one server iteration
3297		4031
3298	0 && sync_job {#d#	4032	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3299	for(1..10) {
3300	my $t = Event::time;
3301	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3302	or die;
3303		4033
3304	$map->width (50);	4034	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3305	$map->height (50);	4035	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3306	$map->alloc;	4036	Coro::async_pool {
3307	$map->_load_objects ("/tmp/x.map", 1);	4037	$Coro::current->{desc} = "runtime saver";
3308	my $t = Event::time - $t;	4038	write_runtime_sync
3309		4039	or error "ERROR: unable to write runtime file: $!";
3310	#next unless $t < 0.0013;#d#
3311	if ($t < $min) {
3312	$min = $t;
3313	}
3314	$avg = $avg * 0.99 + $t * 0.01;
3315	}
3316	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3317	exit 0;
3318	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3319	};	4040	};
		4041	}
3320		4042
3321	$RUNTIME += $TICK;
3322	$NEXT_TICK += $TICK;
3323
3324	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3325	$NEXT_RUNTIME_WRITE = $NOW + 10;
3326	Coro::async_pool {
3327	write_runtime
3328	or warn "ERROR: unable to write runtime file: $!";
3329	};
3330	}
3331
3332	# my $AFTER = Event::time;
3333	# warn $AFTER - $NOW;#d#
3334
3335	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4043	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3336	$sig->send;	4044	$sig->send;
3337	}	4045	}
3338	while (my $sig = shift @WAIT_FOR_TICK) {	4046	while (my $sig = shift @WAIT_FOR_TICK) {
3339	$sig->send;	4047	$sig->send;
3340	}	4048	}
3341		4049
3342	$NOW = Event::time;	4050	$LOAD = ($NOW - $TICK_START) / $TICK;
3343
3344	# if we are delayed by four ticks or more, skip them all
3345	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3346
3347	$TICK_WATCHER->at ($NEXT_TICK);
3348	$TICK_WATCHER->start;
3349
3350	$LOAD = ($NOW - $tick_start) / $TICK;
3351	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4051	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3352		4052
3353	_post_tick;	4053	if (0) {
3354		4054	if ($NEXT_TICK) {
3355		4055	my $jitter = $TICK_START - $NEXT_TICK;
		4056	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4057	debug "jitter $JITTER\n";#d#
		4058	}
3356	},	4059	}
3357	);	4060	}
3358		4061
3359	{	4062	{
3360	BDB::max_poll_time $TICK * 0.1;	4063	# configure BDB
3361	$BDB_POLL_WATCHER = Event->io (	4064
3362	reentrant => 0,
3363	fd => BDB::poll_fileno,
3364	poll => 'r',
3365	prio => 0,
3366	data => WF_AUTOCANCEL,
3367	cb => \&BDB::poll_cb,
3368	);
3369	BDB::min_parallel 8;	4065	BDB::min_parallel 16;
3370		4066	BDB::max_poll_reqs $TICK * 0.1;
3371	BDB::set_sync_prepare {	4067	$AnyEvent::BDB::WATCHER->priority (1);
3372	my $status;
3373	my $current = $Coro::current;
3374	(
3375	sub {
3376	$status = $!;
3377	$current->ready; undef $current;
3378	},
3379	sub {
3380	Coro::schedule while defined $current;
3381	$! = $status;
3382	},
3383	)
3384	};
3385		4068
3386	unless ($DB_ENV) {	4069	unless ($DB_ENV) {
3387	$DB_ENV = BDB::db_env_create;	4070	$DB_ENV = BDB::db_env_create;
		4071	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4072	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4073	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4074	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4075	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3388		4076
3389	cf::sync_job {	4077	cf::sync_job {
3390	eval {	4078	eval {
3391	BDB::db_env_open	4079	BDB::db_env_open
3392	$DB_ENV,	4080	$DB_ENV,
…		…
3394	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4082	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3395	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4083	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3396	0666;	4084	0666;
3397		4085
3398	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4086	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3399
3400	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3401	$DB_ENV->set_lk_detect;
3402	};	4087	};
3403		4088
3404	cf::cleanup "db_env_open(db): $@" if $@;	4089	cf::cleanup "db_env_open(db): $@" if $@;
3405	};	4090	};
3406	}	4091	}
		4092
		4093	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4094	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4095	};
		4096	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4097	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4098	};
		4099	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4100	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4101	};
3407	}	4102	}
3408		4103
3409	{	4104	{
		4105	# configure IO::AIO
		4106
3410	IO::AIO::min_parallel 8;	4107	IO::AIO::min_parallel 8;
3411
3412	undef $Coro::AIO::WATCHER;
3413	IO::AIO::max_poll_time $TICK * 0.1;	4108	IO::AIO::max_poll_time $TICK * 0.1;
3414	$AIO_POLL_WATCHER = Event->io (	4109	undef $AnyEvent::AIO::WATCHER;
3415	reentrant => 0,
3416	data => WF_AUTOCANCEL,
3417	fd => IO::AIO::poll_fileno,
3418	poll => 'r',
3419	prio => 6,
3420	cb => \&IO::AIO::poll_cb,
3421	);
3422	}	4110	}
3423		4111
3424	my $_log_backtrace;	4112	my $_log_backtrace;
3425		4113
3426	sub _log_backtrace {	4114	sub _log_backtrace {
…		…
3429	$msg =~ s/\n//;	4117	$msg =~ s/\n//;
3430		4118
3431	# limit the # of concurrent backtraces	4119	# limit the # of concurrent backtraces
3432	if ($_log_backtrace < 2) {	4120	if ($_log_backtrace < 2) {
3433	++$_log_backtrace;	4121	++$_log_backtrace;
		4122	my $perl_bt = Carp::longmess $msg;
3434	async {	4123	async {
		4124	$Coro::current->{desc} = "abt $msg";
		4125
3435	my @bt = fork_call {	4126	my @bt = fork_call {
3436	@addr = map { sprintf "%x", $_ } @addr;	4127	@addr = map { sprintf "%x", $_ } @addr;
3437	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4128	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3438	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4129	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3439	or die "addr2line: $!";	4130	or die "addr2line: $!";
…		…
3447	}	4138	}
3448		4139
3449	@funcs	4140	@funcs
3450	};	4141	};
3451		4142
3452	LOG llevInfo, "[ABT] $msg\n";	4143	LOG llevInfo, "[ABT] $perl_bt\n";
		4144	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3453	LOG llevInfo, "[ABT] $_\n" for @bt;	4145	LOG llevInfo, "[ABT] $_\n" for @bt;
3454	--$_log_backtrace;	4146	--$_log_backtrace;
3455	};	4147	};
3456	} else {	4148	} else {
3457	LOG llevInfo, "[ABT] $msg\n";	4149	LOG llevInfo, "[ABT] $msg\n";
3458	LOG llevInfo, "[ABT] [suppressed]\n";	4150	LOG llevInfo, "[ABT] [suppressed]\n";
3459	}	4151	}
3460	}	4152	}
3461		4153
3462	# load additional modules	4154	# load additional modules
3463	use cf::pod;	4155	require "cf/$_.pm" for @EXTRA_MODULES;
		4156	cf::_connect_to_perl_2;
3464		4157
3465	END { cf::emergency_save }	4158	END { cf::emergency_save }
3466		4159
3467	1	4160	1
3468		4161

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