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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.326 by root, Tue Jul 31 17:33:15 2007 UTC vs.
Revision 1.532 by root, Thu Apr 29 07:32:34 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
…		…
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 ($Coro::current == $Coro::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	my ($name) = @_;
		663	my $db = BDB::db_create $DB_ENV;
		664
		665	eval {
		666	$db->set_flags (BDB::CHKSUM);
		667
		668	utf8::encode $name;
		669	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		670	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		671	cf::cleanup "db_open(db): $!" if $!;
		672	};
		673	cf::cleanup "db_open(db): $@" if $@;
		674
		675	$db
		676	}
540		677
541	our $DB;	678	our $DB;
542		679
543	sub db_init {	680	sub db_init {
544	unless ($DB) {
545	$DB = BDB::db_create $DB_ENV;
546
547	cf::sync_job {	681	cf::sync_job {
548	eval {	682	$DB ||= db_table "db";
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	}	683	};
558	}	684	}
559		685
560	sub db_get($$) {	686	sub db_get($$) {
561	my $key = "$_[0]/$_[1]";	687	my $key = "$_[0]/$_[1]";
562		688
…		…
612	if (1) {	738	if (1) {
613	$md5 =	739	$md5 =
614	join "\x00",	740	join "\x00",
615	$processversion,	741	$processversion,
616	map {	742	map {
617	Coro::cede;	743	cf::cede_to_tick;
618	($src->[$_], Digest::MD5::md5_hex $data[$_])	744	($src->[$_], Digest::MD5::md5_hex $data[$_])
619	} 0.. $#$src;	745	} 0.. $#$src;
620		746
621		747
622	my $dbmd5 = db_get cache => "$id/md5";	748	my $dbmd5 = db_get cache => "$id/md5";
…		…
629		755
630	my $t1 = Time::HiRes::time;	756	my $t1 = Time::HiRes::time;
631	my $data = $process->(\@data);	757	my $data = $process->(\@data);
632	my $t2 = Time::HiRes::time;	758	my $t2 = Time::HiRes::time;
633		759
634	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	760	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
635		761
636	db_put cache => "$id/data", $data;	762	db_put cache => "$id/data", $data;
637	db_put cache => "$id/md5" , $md5;	763	db_put cache => "$id/md5" , $md5;
638	db_put cache => "$id/meta", $meta;	764	db_put cache => "$id/meta", $meta;
639		765
…		…
649		775
650	=cut	776	=cut
651		777
652	sub datalog($@) {	778	sub datalog($@) {
653	my ($type, %kv) = @_;	779	my ($type, %kv) = @_;
654	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	780	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
655	}	781	}
656		782
657	=back	783	=back
658		784
659	=cut	785	=cut
660		786
661	#############################################################################	787	#############################################################################
662		788
663	=head2 ATTACHABLE OBJECTS	789	=head2 ATTACHABLE OBJECTS
664		790
665	Many objects in crossfire are so-called attachable objects. That means you can	791	Many objects in deliantra are so-called attachable objects. That means you can
666	attach callbacks/event handlers (a collection of which is called an "attachment")	792	attach callbacks/event handlers (a collection of which is called an "attachment")
667	to it. All such attachable objects support the following methods.	793	to it. All such attachable objects support the following methods.
668		794
669	In the following description, CLASS can be any of C<global>, C<object>	795	In the following description, CLASS can be any of C<global>, C<object>
670	C<player>, C<client> or C<map> (i.e. the attachable objects in	796	C<player>, C<client> or C<map> (i.e. the attachable objects in
671	Crossfire TRT).	797	Deliantra).
672		798
673	=over 4	799	=over 4
674		800
675	=item $attachable->attach ($attachment, key => $value...)	801	=item $attachable->attach ($attachment, key => $value...)
676		802
…		…
720	=item cf::CLASS::attachment $name, ...	846	=item cf::CLASS::attachment $name, ...
721		847
722	Register an attachment by C<$name> through which attachable objects of the	848	Register an attachment by C<$name> through which attachable objects of the
723	given CLASS can refer to this attachment.	849	given CLASS can refer to this attachment.
724		850
725	Some classes such as crossfire maps and objects can specify attachments	851	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.	852	that are attached at load/instantiate time, thus the need for a name.
727		853
728	These calls expect any number of the following handler/hook descriptions:	854	These calls expect any number of the following handler/hook descriptions:
729		855
730	=over 4	856	=over 4
…		…
854		980
855	} elsif (exists $cb_id{$type}) {	981	} elsif (exists $cb_id{$type}) {
856	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	982	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
857		983
858	} elsif (ref $type) {	984	} elsif (ref $type) {
859	warn "attaching objects not supported, ignoring.\n";	985	error "attaching objects not supported, ignoring.\n";
860		986
861	} else {	987	} else {
862	shift @arg;	988	shift @arg;
863	warn "attach argument '$type' not supported, ignoring.\n";	989	error "attach argument '$type' not supported, ignoring.\n";
864	}	990	}
865	}	991	}
866	}	992	}
867		993
868	sub _object_attach {	994	sub _object_attach {
…		…
878	_attach $registry, $klass, @attach;	1004	_attach $registry, $klass, @attach;
879	}	1005	}
880		1006
881	$obj->{$name} = \%arg;	1007	$obj->{$name} = \%arg;
882	} else {	1008	} else {
883	warn "object uses attachment '$name' which is not available, postponing.\n";	1009	info "object uses attachment '$name' which is not available, postponing.\n";
884	}	1010	}
885		1011
886	$obj->{_attachment}{$name} = undef;	1012	$obj->{_attachment}{$name} = undef;
887	}	1013	}
888		1014
…		…
947		1073
948	for (@$callbacks) {	1074	for (@$callbacks) {
949	eval { &{$_->[1]} };	1075	eval { &{$_->[1]} };
950		1076
951	if ($@) {	1077	if ($@) {
952	warn "$@";
953	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1078	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
954	override;	1079	override;
955	}	1080	}
956		1081
957	return 1 if $override;	1082	return 1 if $override;
958	}	1083	}
959		1084
960	0	1085	0
961	}	1086	}
962		1087
963	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1088	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
964		1089
965	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
966		1091
967	Generate an object-specific event with the given arguments.	1092	Generate an object-specific event with the given arguments.
968		1093
…		…
974		1099
975	=cut	1100	=cut
976		1101
977	#############################################################################	1102	#############################################################################
978	# object support	1103	# object support
979	#
980		1104
		1105	sub _object_equal($$);
		1106	sub _object_equal($$) {
		1107	my ($a, $b) = @_;
		1108
		1109	return 0 unless (ref $a) eq (ref $b);
		1110
		1111	if ("HASH" eq ref $a) {
		1112	my @ka = keys %$a;
		1113	my @kb = keys %$b;
		1114
		1115	return 0 if @ka != @kb;
		1116
		1117	for (0 .. $#ka) {
		1118	return 0 unless $ka[$_] eq $kb[$_];
		1119	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1120	}
		1121
		1122	} elsif ("ARRAY" eq ref $a) {
		1123
		1124	return 0 if @$a != @$b;
		1125
		1126	for (0 .. $#$a) {
		1127	return 0 unless _object_equal $a->[$_], $b->[$_];
		1128	}
		1129
		1130	} elsif ($a ne $b) {
		1131	return 0;
		1132	}
		1133
		1134	1
		1135	}
		1136
		1137	our $SLOW_MERGES;#d#
981	sub _can_merge {	1138	sub _can_merge {
982	my ($ob1, $ob2) = @_;	1139	my ($ob1, $ob2) = @_;
983		1140
984	local $Storable::canonical = 1;	1141	++$SLOW_MERGES;#d#
985	my $fob1 = Storable::freeze $ob1;
986	my $fob2 = Storable::freeze $ob2;
987		1142
988	$fob1 eq $fob2	1143	# we do the slow way here
		1144	return _object_equal $ob1, $ob2
989	}	1145	}
990		1146
991	sub reattach {	1147	sub reattach {
992	# basically do the same as instantiate, without calling instantiate	1148	# basically do the same as instantiate, without calling instantiate
993	my ($obj) = @_;	1149	my ($obj) = @_;
994		1150
		1151	# no longer needed after getting rid of delete_package?
995	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1152	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
996		1153
997	my $registry = $obj->registry;	1154	my $registry = $obj->registry;
998		1155
999	@$registry = ();	1156	@$registry = ();
1000		1157
…		…
1005	for (@$attach) {	1162	for (@$attach) {
1006	my ($klass, @attach) = @$_;	1163	my ($klass, @attach) = @$_;
1007	_attach $registry, $klass, @attach;	1164	_attach $registry, $klass, @attach;
1008	}	1165	}
1009	} else {	1166	} else {
1010	warn "object uses attachment '$name' that is not available, postponing.\n";	1167	info "object uses attachment '$name' that is not available, postponing.\n";
1011	}	1168	}
1012	}	1169	}
1013	}	1170	}
1014		1171
1015	cf::attachable->attach (	1172	cf::attachable->attach (
1016	prio => -1000000,	1173	prio => -1000000,
1017	on_instantiate => sub {	1174	on_instantiate => sub {
1018	my ($obj, $data) = @_;	1175	my ($obj, $data) = @_;
1019		1176
1020	$data = from_json $data;	1177	$data = decode_json $data;
1021		1178
1022	for (@$data) {	1179	for (@$data) {
1023	my ($name, $args) = @$_;	1180	my ($name, $args) = @$_;
1024		1181
1025	$obj->attach ($name, %{$args || {} });	1182	$obj->attach ($name, %{$args || {} });
…		…
1041	sub object_freezer_save {	1198	sub object_freezer_save {
1042	my ($filename, $rdata, $objs) = @_;	1199	my ($filename, $rdata, $objs) = @_;
1043		1200
1044	sync_job {	1201	sync_job {
1045	if (length $$rdata) {	1202	if (length $$rdata) {
		1203	utf8::decode (my $decname = $filename);
1046	warn sprintf "saving %s (%d,%d)\n",	1204	trace sprintf "saving %s (%d,%d)\n",
1047	$filename, length $$rdata, scalar @$objs;	1205	$decname, length $$rdata, scalar @$objs
		1206	if $VERBOSE_IO;
1048		1207
1049	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1208	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1050	chmod SAVE_MODE, $fh;	1209	aio_chmod $fh, SAVE_MODE;
1051	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1210	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1052	aio_fsync $fh if $cf::USE_FSYNC;	1211	if ($cf::USE_FSYNC) {
		1212	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1213	aio_fsync $fh;
		1214	}
1053	close $fh;	1215	aio_close $fh;
1054		1216
1055	if (@$objs) {	1217	if (@$objs) {
1056	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1218	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1057	chmod SAVE_MODE, $fh;	1219	aio_chmod $fh, SAVE_MODE;
1058	my $data = Storable::nfreeze { version => 1, objs => $objs };	1220	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1059	aio_write $fh, 0, (length $data), $data, 0;	1221	aio_write $fh, 0, (length $data), $data, 0;
1060	aio_fsync $fh if $cf::USE_FSYNC;	1222	if ($cf::USE_FSYNC) {
		1223	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1224	aio_fsync $fh;
		1225	}
1061	close $fh;	1226	aio_close $fh;
1062	aio_rename "$filename.pst~", "$filename.pst";	1227	aio_rename "$filename.pst~", "$filename.pst";
1063	}	1228	}
1064	} else {	1229	} else {
1065	aio_unlink "$filename.pst";	1230	aio_unlink "$filename.pst";
1066	}	1231	}
1067		1232
1068	aio_rename "$filename~", $filename;	1233	aio_rename "$filename~", $filename;
		1234
		1235	$filename =~ s%/[^/]+$%%;
		1236	aio_pathsync $filename if $cf::USE_FSYNC;
1069	} else {	1237	} else {
1070	warn "FATAL: $filename~: $!\n";	1238	error "unable to save objects: $filename~: $!\n";
1071	}	1239	}
1072	} else {	1240	} else {
1073	aio_unlink $filename;	1241	aio_unlink $filename;
1074	aio_unlink "$filename.pst";	1242	aio_unlink "$filename.pst";
1075	}	1243	}
1076	}	1244	};
1077	}	1245	}
1078		1246
1079	sub object_freezer_as_string {	1247	sub object_freezer_as_string {
1080	my ($rdata, $objs) = @_;	1248	my ($rdata, $objs) = @_;
1081		1249
…		…
1093	or return;	1261	or return;
1094		1262
1095	unless (aio_stat "$filename.pst") {	1263	unless (aio_stat "$filename.pst") {
1096	(aio_load "$filename.pst", $av) >= 0	1264	(aio_load "$filename.pst", $av) >= 0
1097	or return;	1265	or return;
		1266
1098	$av = eval { (Storable::thaw $av)->{objs} };	1267	my $st = eval { Coro::Storable::thaw $av };
		1268	$av = $st->{objs};
1099	}	1269	}
1100		1270
		1271	utf8::decode (my $decname = $filename);
1101	warn sprintf "loading %s (%d)\n",	1272	trace sprintf "loading %s (%d,%d)\n",
1102	$filename, length $data, scalar @{$av || []};	1273	$decname, length $data, scalar @{$av || []}
		1274	if $VERBOSE_IO;
		1275
1103	return ($data, $av);	1276	($data, $av)
1104	}	1277	}
1105		1278
1106	=head2 COMMAND CALLBACKS	1279	=head2 COMMAND CALLBACKS
1107		1280
1108	=over 4	1281	=over 4
…		…
1162	my ($name, $cb) = @_;	1335	my ($name, $cb) = @_;
1163		1336
1164	$EXTICMD{$name} = $cb;	1337	$EXTICMD{$name} = $cb;
1165	}	1338	}
1166		1339
		1340	use File::Glob ();
		1341
1167	cf::player->attach (	1342	cf::player->attach (
1168	on_command => sub {	1343	on_unknown_command => sub {
1169	my ($pl, $name, $params) = @_;	1344	my ($pl, $name, $params) = @_;
1170		1345
1171	my $cb = $COMMAND{$name}	1346	my $cb = $COMMAND{$name}
1172	or return;	1347	or return;
1173		1348
…		…
1186	my ($type, $reply, @payload) =	1361	my ($type, $reply, @payload) =
1187	"ARRAY" eq ref $msg	1362	"ARRAY" eq ref $msg
1188	? @$msg	1363	? @$msg
1189	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	1364	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1190		1365
		1366	my @reply;
		1367
1191	if (my $cb = $EXTCMD{$type}) {	1368	if (my $cb = $EXTCMD{$type}) {
1192	my @reply = $cb->($pl, @payload);	1369	@reply = $cb->($pl, @payload);
1193
1194	$pl->ext_reply ($reply, @reply)
1195	if $reply;
1196	}	1370	}
		1371
		1372	$pl->ext_reply ($reply, @reply)
		1373	if $reply;
		1374
1197	} else {	1375	} else {
1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1376	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1199	}	1377	}
1200		1378
1201	cf::override;	1379	cf::override;
1202	},	1380	},
1203	);	1381	);
1204		1382
		1383	# "readahead" all extensions
		1384	sub cache_extensions {
		1385	my $grp = IO::AIO::aio_group;
		1386
		1387	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1388	for (grep /\.ext$/, @{$_[0]}) {
		1389	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1390	}
		1391	};
		1392
		1393	$grp
		1394	}
		1395
1205	sub load_extensions {	1396	sub load_extensions {
		1397	info "loading extensions...";
		1398
1206	cf::sync_job {	1399	cf::sync_job {
1207	my %todo;	1400	my %todo;
1208		1401
1209	for my $path (<$LIBDIR/*.ext>) {	1402	for my $path (<$LIBDIR/*.ext>) {
1210	next unless -r $path;	1403	next unless -r $path;
…		…
1228		1421
1229	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1422	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1230	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1423	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1231		1424
1232	$ext{source} =	1425	$ext{source} =
1233	"package $pkg; use strict; use utf8;\n"	1426	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1234	. "#line 1 \"$path\"\n{\n"	1427	. "#line 1 \"$path\"\n{\n"
1235	. $source	1428	. $source
1236	. "\n};\n1";	1429	. "\n};\n1";
1237		1430
1238	$todo{$base} = \%ext;	1431	$todo{$base} = \%ext;
1239	}	1432	}
1240		1433
		1434	my $pass = 0;
1241	my %done;	1435	my %done;
1242	while (%todo) {	1436	while (%todo) {
1243	my $progress;	1437	my $progress;
1244		1438
		1439	++$pass;
		1440
		1441	ext:
1245	while (my ($k, $v) = each %todo) {	1442	while (my ($k, $v) = each %todo) {
1246	for (split /,\s*/, $v->{meta}{depends}) {	1443	for (split /,\s*/, $v->{meta}{depends}) {
1247	goto skip	1444	next ext
1248	unless exists $done{$_};	1445	unless exists $done{$_};
1249	}	1446	}
1250		1447
1251	warn "... loading '$k' into '$v->{pkg}'\n";	1448	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1252		1449
1253	unless (eval $v->{source}) {	1450	my $active = eval $v->{source};
		1451
		1452	if (length $@) {
1254	my $msg = $@ ? "$v->{path}: $@\n"	1453	error "$v->{path}: $@\n";
1255	: "$v->{base}: extension inactive.\n";
1256		1454
		1455	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1257	if (exists $v->{meta}{mandatory}) {	1456	if exists $v->{meta}{mandatory};
1258	warn $msg;	1457
1259	warn "mandatory extension failed to load, exiting.\n";	1458	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1260	exit 1;	1459	delete $todo{$k};
1261	}	1460	} else {
1262		1461	$done{$k} = delete $todo{$k};
1263	warn $msg;	1462	push @EXTS, $v->{pkg};
		1463	$progress = 1;
		1464
		1465	info "$v->{base}: extension inactive.\n"
		1466	unless $active;
1264	}	1467	}
1265
1266	$done{$k} = delete $todo{$k};
1267	push @EXTS, $v->{pkg};
1268	$progress = 1;
1269	}	1468	}
1270		1469
1271	skip:	1470	unless ($progress) {
1272	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1471	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1273	unless $progress;	1472
		1473	while (my ($k, $v) = each %todo) {
		1474	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1475	if exists $v->{meta}{mandatory};
		1476	}
		1477	}
1274	}	1478	}
1275	};	1479	};
1276	}	1480	}
1277		1481
1278	#############################################################################	1482	#############################################################################
1279		1483
1280	=back	1484	=back
1281		1485
1282	=head2 CORE EXTENSIONS	1486	=head2 CORE EXTENSIONS
1283		1487
1284	Functions and methods that extend core crossfire objects.	1488	Functions and methods that extend core deliantra objects.
1285		1489
1286	=cut	1490	=cut
1287		1491
1288	package cf::player;	1492	package cf::player;
1289		1493
1290	use Coro::AIO;	1494	use Coro::AIO;
1291		1495
1292	=head3 cf::player	1496	=head3 cf::player
1293		1497
1294	=over 4	1498	=over 4
		1499
		1500	=item cf::player::num_playing
		1501
		1502	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1503
		1504	=cut
		1505
		1506	sub num_playing {
		1507	scalar grep
		1508	$_->ob->map
		1509	&& !$_->hidden
		1510	&& !$_->ob->flag (cf::FLAG_WIZ),
		1511	cf::player::list
		1512	}
1295		1513
1296	=item cf::player::find $login	1514	=item cf::player::find $login
1297		1515
1298	Returns the given player object, loading it if necessary (might block).	1516	Returns the given player object, loading it if necessary (might block).
1299		1517
…		…
1318		1536
1319	sub exists($) {	1537	sub exists($) {
1320	my ($login) = @_;	1538	my ($login) = @_;
1321		1539
1322	$cf::PLAYER{$login}	1540	$cf::PLAYER{$login}
1323	or cf::sync_job { !aio_stat path $login }	1541	or !aio_stat path $login
1324	}	1542	}
1325		1543
1326	sub find($) {	1544	sub find($) {
1327	return $cf::PLAYER{$_[0]} || do {	1545	return $cf::PLAYER{$_[0]} || do {
1328	my $login = $_[0];	1546	my $login = $_[0];
…		…
1335	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1553	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1336	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1554	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1337	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1555	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1338	aio_unlink +(playerdir $login) . "/$login.pl";	1556	aio_unlink +(playerdir $login) . "/$login.pl";
1339		1557
1340	my $pl = load_pl path $login	1558	my $f = new_from_file cf::object::thawer path $login
1341	or return;	1559	or return;
		1560
		1561	my $pl = cf::player::load_pl $f
		1562	or return;
		1563
		1564	local $cf::PLAYER_LOADING{$login} = $pl;
		1565	$f->resolve_delayed_derefs;
1342	$cf::PLAYER{$login} = $pl	1566	$cf::PLAYER{$login} = $pl
1343	}	1567	}
1344	}	1568	}
1345	}	1569	}
		1570
		1571	cf::player->attach (
		1572	on_load => sub {
		1573	my ($pl, $path) = @_;
		1574
		1575	# restore slots saved in save, below
		1576	my $slots = delete $pl->{_slots};
		1577
		1578	$pl->ob->current_weapon ($slots->[0]);
		1579	$pl->combat_ob ($slots->[1]);
		1580	$pl->ranged_ob ($slots->[2]);
		1581	},
		1582	);
1346		1583
1347	sub save($) {	1584	sub save($) {
1348	my ($pl) = @_;	1585	my ($pl) = @_;
1349		1586
1350	return if $pl->{deny_save};	1587	return if $pl->{deny_save};
…		…
1355	return if $pl->{deny_save};	1592	return if $pl->{deny_save};
1356		1593
1357	aio_mkdir playerdir $pl, 0770;	1594	aio_mkdir playerdir $pl, 0770;
1358	$pl->{last_save} = $cf::RUNTIME;	1595	$pl->{last_save} = $cf::RUNTIME;
1359		1596
		1597	cf::get_slot 0.01;
		1598
		1599	# save slots, to be restored later
		1600	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1601
1360	$pl->save_pl ($path);	1602	$pl->save_pl ($path);
1361	Coro::cede;	1603	cf::cede_to_tick;
1362	}	1604	}
1363		1605
1364	sub new($) {	1606	sub new($) {
1365	my ($login) = @_;	1607	my ($login) = @_;
1366		1608
…		…
1372	$cf::PLAYER{$login} = $self;	1614	$cf::PLAYER{$login} = $self;
1373		1615
1374	$self	1616	$self
1375	}	1617	}
1376		1618
		1619	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1620
		1621	=cut
		1622
		1623	sub send_msg {
		1624	my $ns = shift->ns
		1625	or return;
		1626	$ns->send_msg (@_);
		1627	}
		1628
1377	=item $pl->quit_character	1629	=item $pl->quit_character
1378		1630
1379	Nukes the player without looking back. If logged in, the connection will	1631	Nukes the player without looking back. If logged in, the connection will
1380	be destroyed. May block for a long time.	1632	be destroyed. May block for a long time.
1381		1633
…		…
1385	my ($pl) = @_;	1637	my ($pl) = @_;
1386		1638
1387	my $name = $pl->ob->name;	1639	my $name = $pl->ob->name;
1388		1640
1389	$pl->{deny_save} = 1;	1641	$pl->{deny_save} = 1;
1390	$pl->password ("*"); # this should lock out the player until we nuked the dir	1642	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1391		1643
1392	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1644	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1393	$pl->deactivate;	1645	$pl->deactivate;
		1646	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1394	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1647	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1395	$pl->ns->destroy if $pl->ns;	1648	$pl->ns->destroy if $pl->ns;
1396		1649
1397	my $path = playerdir $pl;	1650	my $path = playerdir $pl;
1398	my $temp = "$path~$cf::RUNTIME~deleting~";	1651	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1434	or return [];	1687	or return [];
1435		1688
1436	my @logins;	1689	my @logins;
1437		1690
1438	for my $login (@$dirs) {	1691	for my $login (@$dirs) {
		1692	my $path = path $login;
		1693
		1694	# a .pst is a dead give-away for a valid player
		1695	# if no pst file found, open and chekc for blocked users
		1696	if (aio_stat "$path.pst") {
1439	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1697	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1440	aio_read $fh, 0, 512, my $buf, 0 or next;	1698	aio_read $fh, 0, 512, my $buf, 0 or next;
1441	$buf !~ /^password -------------$/m or next; # official not-valid tag	1699	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1700	}
1442		1701
1443	utf8::decode $login;	1702	utf8::decode $login;
1444	push @logins, $login;	1703	push @logins, $login;
1445	}	1704	}
1446		1705
1447	\@logins	1706	\@logins
1448	}	1707	}
1449		1708
1450	=item $player->maps	1709	=item $player->maps
		1710
		1711	=item cf::player::maps $login
1451		1712
1452	Returns an arrayref of map paths that are private for this	1713	Returns an arrayref of map paths that are private for this
1453	player. May block.	1714	player. May block.
1454		1715
1455	=cut	1716	=cut
…		…
1473	}	1734	}
1474		1735
1475	\@paths	1736	\@paths
1476	}	1737	}
1477		1738
1478	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1739	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1479		1740
1480	Expand crossfire pod fragments into protocol xml.	1741	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		1742
1528	=item $player->ext_reply ($msgid, @msg)	1743	=item $player->ext_reply ($msgid, @msg)
1529		1744
1530	Sends an ext reply to the player.	1745	Sends an ext reply to the player.
1531		1746
1532	=cut	1747	=cut
1533		1748
1534	sub ext_reply($$@) {	1749	sub ext_reply($$@) {
1535	my ($self, $id, @msg) = @_;	1750	my ($self, $id, @msg) = @_;
1536		1751
1537	if ($self->ns->extcmd == 2) {	1752	$self->ns->ext_reply ($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	}	1753	}
1545		1754
1546	=item $player->ext_msg ($type, @msg)	1755	=item $player->ext_msg ($type, @msg)
1547		1756
1548	Sends an ext event to the client.	1757	Sends an ext event to the client.
…		…
1569		1778
1570	=cut	1779	=cut
1571		1780
1572	sub find_by_path($) {	1781	sub find_by_path($) {
1573	my ($path) = @_;	1782	my ($path) = @_;
		1783
		1784	$path =~ s/^~[^\/]*//; # skip ~login
1574		1785
1575	my ($match, $specificity);	1786	my ($match, $specificity);
1576		1787
1577	for my $region (list) {	1788	for my $region (list) {
1578	if ($region->{match} && $path =~ $region->{match}) {	1789	if ($region->{match} && $path =~ $region->{match}) {
…		…
1604	our $MAX_RESET = 3600;	1815	our $MAX_RESET = 3600;
1605	our $DEFAULT_RESET = 3000;	1816	our $DEFAULT_RESET = 3000;
1606		1817
1607	sub generate_random_map {	1818	sub generate_random_map {
1608	my ($self, $rmp) = @_;	1819	my ($self, $rmp) = @_;
		1820
		1821	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1822
1609	# mit "rum" bekleckern, nicht	1823	# mit "rum" bekleckern, nicht
1610	$self->_create_random_map (	1824	$self->_create_random_map (
1611	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1825	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1612	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1826	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1613	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1827	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1614	$rmp->{exit_on_final_map},	1828	$rmp->{exit_on_final_map},
1615	$rmp->{xsize}, $rmp->{ysize},	1829	$rmp->{xsize}, $rmp->{ysize},
1616	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1830	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1617	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1831	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1639		1853
1640	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1854	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1641	}	1855	}
1642		1856
1643	# also paths starting with '/'	1857	# also paths starting with '/'
1644	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1858	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1645		1859
1646	sub thawer_merge {	1860	sub thawer_merge {
1647	my ($self, $merge) = @_;	1861	my ($self, $merge) = @_;
1648		1862
1649	# we have to keep some variables in memory intact	1863	# we have to keep some variables in memory intact
…		…
1735		1949
1736	# the temporary/swap location	1950	# the temporary/swap location
1737	sub save_path {	1951	sub save_path {
1738	my ($self) = @_;	1952	my ($self) = @_;
1739		1953
1740	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1954	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1741	"$TMPDIR/$path.map"	1955	"$TMPDIR/$path.map"
1742	}	1956	}
1743		1957
1744	# the unique path, undef == no special unique path	1958	# the unique path, undef == no special unique path
1745	sub uniq_path {	1959	sub uniq_path {
1746	my ($self) = @_;	1960	my ($self) = @_;
1747		1961
1748	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1962	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1749	"$UNIQUEDIR/$path"	1963	"$UNIQUEDIR/$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 $_->outdoor, values %cf::MAP;
1759	}	1964	}
1760		1965
1761	sub decay_objects {	1966	sub decay_objects {
1762	my ($self) = @_;	1967	my ($self) = @_;
1763		1968
…		…
1776		1981
1777	sub load_header_from($) {	1982	sub load_header_from($) {
1778	my ($self, $path) = @_;	1983	my ($self, $path) = @_;
1779		1984
1780	utf8::encode $path;	1985	utf8::encode $path;
1781	#aio_open $path, O_RDONLY, 0	1986	my $f = new_from_file cf::object::thawer $path
1782	# or return;
1783
1784	$self->_load_header ($path)
1785	or return;	1987	or return;
		1988
		1989	$self->_load_header ($f)
		1990	or return;
		1991
		1992	local $MAP_LOADING{$self->{path}} = $self;
		1993	$f->resolve_delayed_derefs;
1786		1994
1787	$self->{load_path} = $path;	1995	$self->{load_path} = $path;
1788		1996
1789	1	1997	1
1790	}	1998	}
…		…
1844	sub find {	2052	sub find {
1845	my ($path, $origin) = @_;	2053	my ($path, $origin) = @_;
1846		2054
1847	$path = normalise $path, $origin && $origin->path;	2055	$path = normalise $path, $origin && $origin->path;
1848		2056
		2057	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1849	cf::lock_wait "map_find:$path";	2058	my $guard2 = cf::lock_acquire "map_find:$path";
1850		2059
1851	$cf::MAP{$path} || do {	2060	$cf::MAP{$path} || do {
1852	my $guard = cf::lock_acquire "map_find:$path";
1853	my $map = new_from_path cf::map $path	2061	my $map = new_from_path cf::map $path
1854	or return;	2062	or return;
1855		2063
1856	$map->{last_save} = $cf::RUNTIME;	2064	$map->{last_save} = $cf::RUNTIME;
1857		2065
…		…
1859	or return;	2067	or return;
1860		2068
1861	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2069	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1862	# doing this can freeze the server in a sync job, obviously	2070	# doing this can freeze the server in a sync job, obviously
1863	#$cf::WAIT_FOR_TICK->wait;	2071	#$cf::WAIT_FOR_TICK->wait;
		2072	undef $guard2;
		2073	undef $guard1;
1864	$map->reset;	2074	$map->reset;
1865	undef $guard;
1866	return find $path;	2075	return find $path;
1867	}	2076	}
1868		2077
1869	$cf::MAP{$path} = $map	2078	$cf::MAP{$path} = $map
1870	}	2079	}
1871	}	2080	}
1872		2081
1873	sub pre_load { }	2082	sub pre_load { }
1874	sub post_load { }	2083	#sub post_load { } # XS
1875		2084
1876	sub load {	2085	sub load {
1877	my ($self) = @_;	2086	my ($self) = @_;
1878		2087
1879	local $self->{deny_reset} = 1; # loading can take a long time	2088	local $self->{deny_reset} = 1; # loading can take a long time
1880		2089
1881	my $path = $self->{path};	2090	my $path = $self->{path};
1882		2091
1883	{	2092	{
1884	my $guard = cf::lock_acquire "map_load:$path";	2093	my $guard = cf::lock_acquire "map_data:$path";
1885		2094
		2095	return unless $self->valid;
1886	return if $self->in_memory != cf::MAP_SWAPPED;	2096	return unless $self->in_memory == cf::MAP_SWAPPED;
1887		2097
1888	$self->in_memory (cf::MAP_LOADING);	2098	$self->in_memory (cf::MAP_LOADING);
1889		2099
1890	$self->alloc;	2100	$self->alloc;
1891		2101
1892	$self->pre_load;	2102	$self->pre_load;
1893	Coro::cede;	2103	cf::cede_to_tick;
1894		2104
		2105	my $f = new_from_file cf::object::thawer $self->{load_path};
		2106	$f->skip_block;
1895	$self->_load_objects ($self->{load_path}, 1)	2107	$self->_load_objects ($f)
1896	or return;	2108	or return;
1897		2109
1898	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2110	$self->post_load_original
1899	if delete $self->{load_original};	2111	if delete $self->{load_original};
1900		2112
1901	if (my $uniq = $self->uniq_path) {	2113	if (my $uniq = $self->uniq_path) {
1902	utf8::encode $uniq;	2114	utf8::encode $uniq;
1903	if (aio_open $uniq, O_RDONLY, 0) {	2115	unless (aio_stat $uniq) {
		2116	if (my $f = new_from_file cf::object::thawer $uniq) {
1904	$self->clear_unique_items;	2117	$self->clear_unique_items;
1905	$self->_load_objects ($uniq, 0);	2118	$self->_load_objects ($f);
		2119	$f->resolve_delayed_derefs;
		2120	}
1906	}	2121	}
1907	}	2122	}
1908		2123
1909	Coro::cede;	2124	$f->resolve_delayed_derefs;
		2125
		2126	cf::cede_to_tick;
1910	# now do the right thing for maps	2127	# now do the right thing for maps
1911	$self->link_multipart_objects;	2128	$self->link_multipart_objects;
1912	$self->difficulty ($self->estimate_difficulty)	2129	$self->difficulty ($self->estimate_difficulty)
1913	unless $self->difficulty;	2130	unless $self->difficulty;
1914	Coro::cede;	2131	cf::cede_to_tick;
1915		2132
1916	unless ($self->{deny_activate}) {	2133	unless ($self->{deny_activate}) {
1917	$self->decay_objects;	2134	$self->decay_objects;
1918	$self->fix_auto_apply;	2135	$self->fix_auto_apply;
1919	$self->update_buttons;	2136	$self->update_buttons;
1920	Coro::cede;	2137	cf::cede_to_tick;
1921	$self->set_darkness_map;
1922	Coro::cede;
1923	$self->activate;	2138	$self->activate;
1924	}	2139	}
1925		2140
1926	$self->{last_save} = $cf::RUNTIME;	2141	$self->{last_save} = $cf::RUNTIME;
1927	$self->last_access ($cf::RUNTIME);	2142	$self->last_access ($cf::RUNTIME);
1928		2143
1929	$self->in_memory (cf::MAP_IN_MEMORY);	2144	$self->in_memory (cf::MAP_ACTIVE);
1930	}	2145	}
1931		2146
1932	$self->post_load;	2147	$self->post_load;
1933	}	2148	}
1934		2149
		2150	# customize the map for a given player, i.e.
		2151	# return the _real_ map. used by e.g. per-player
		2152	# maps to change the path to ~playername/mappath
1935	sub customise_for {	2153	sub customise_for {
1936	my ($self, $ob) = @_;	2154	my ($self, $ob) = @_;
1937		2155
1938	return find "~" . $ob->name . "/" . $self->{path}	2156	return find "~" . $ob->name . "/" . $self->{path}
1939	if $self->per_player;	2157	if $self->per_player;
…		…
1943		2161
1944	$self	2162	$self
1945	}	2163	}
1946		2164
1947	# find and load all maps in the 3x3 area around a map	2165	# find and load all maps in the 3x3 area around a map
1948	sub load_diag {	2166	sub load_neighbours {
1949	my ($map) = @_;	2167	my ($map) = @_;
1950		2168
1951	my @diag; # diagonal neighbours	2169	my @neigh; # diagonal neighbours
1952		2170
1953	for (0 .. 3) {	2171	for (0 .. 3) {
1954	my $neigh = $map->tile_path ($_)	2172	my $neigh = $map->tile_path ($_)
1955	or next;	2173	or next;
1956	$neigh = find $neigh, $map	2174	$neigh = find $neigh, $map
1957	or next;	2175	or next;
1958	$neigh->load;	2176	$neigh->load;
1959		2177
		2178	# now find the diagonal neighbours
		2179	push @neigh,
1960	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2180	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1961	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2181	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1962	}	2182	}
1963		2183
1964	for (@diag) {	2184	for (grep defined $_->[0], @neigh) {
		2185	my ($path, $origin) = @$_;
1965	my $neigh = find @$_	2186	my $neigh = find $path, $origin
1966	or next;	2187	or next;
1967	$neigh->load;	2188	$neigh->load;
1968	}	2189	}
1969	}	2190	}
1970		2191
…		…
1975	}	2196	}
1976		2197
1977	sub do_load_sync {	2198	sub do_load_sync {
1978	my ($map) = @_;	2199	my ($map) = @_;
1979		2200
		2201	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2202	if $Coro::current == $Coro::main;
		2203
1980	cf::sync_job { $map->load };	2204	cf::sync_job { $map->load };
1981	}	2205	}
1982		2206
1983	our %MAP_PREFETCH;	2207	our %MAP_PREFETCH;
1984	our $MAP_PREFETCHER = undef;	2208	our $MAP_PREFETCHER = undef;
1985		2209
1986	sub find_async {	2210	sub find_async {
1987	my ($path, $origin) = @_;	2211	my ($path, $origin, $load) = @_;
1988		2212
1989	$path = normalise $path, $origin && $origin->{path};	2213	$path = normalise $path, $origin && $origin->{path};
1990		2214
1991	if (my $map = $cf::MAP{$path}) {	2215	if (my $map = $cf::MAP{$path}) {
1992	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2216	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1993	}	2217	}
1994		2218
1995	undef $MAP_PREFETCH{$path};	2219	$MAP_PREFETCH{$path} |= $load;
		2220
1996	$MAP_PREFETCHER ||= cf::async {	2221	$MAP_PREFETCHER ||= cf::async {
		2222	$Coro::current->{desc} = "map prefetcher";
		2223
1997	while (%MAP_PREFETCH) {	2224	while (%MAP_PREFETCH) {
1998	for my $path (keys %MAP_PREFETCH) {	2225	while (my ($k, $v) = each %MAP_PREFETCH) {
1999	if (my $map = find $path) {	2226	if (my $map = find $k) {
2000	$map->load;	2227	$map->load if $v;
2001	}	2228	}
2002		2229
2003	delete $MAP_PREFETCH{$path};	2230	delete $MAP_PREFETCH{$k};
2004	}	2231	}
2005	}	2232	}
2006	undef $MAP_PREFETCHER;	2233	undef $MAP_PREFETCHER;
2007	};	2234	};
2008	$MAP_PREFETCHER->prio (6);	2235	$MAP_PREFETCHER->prio (6);
2009		2236
2010	()	2237	()
2011	}	2238	}
2012		2239
		2240	# common code, used by both ->save and ->swapout
2013	sub save {	2241	sub _save {
2014	my ($self) = @_;	2242	my ($self) = @_;
2015
2016	my $lock = cf::lock_acquire "map_data:" . $self->path;
2017		2243
2018	$self->{last_save} = $cf::RUNTIME;	2244	$self->{last_save} = $cf::RUNTIME;
2019		2245
2020	return unless $self->dirty;	2246	return unless $self->dirty;
2021		2247
…		…
2027	return if $self->{deny_save};	2253	return if $self->{deny_save};
2028		2254
2029	local $self->{last_access} = $self->last_access;#d#	2255	local $self->{last_access} = $self->last_access;#d#
2030		2256
2031	cf::async {	2257	cf::async {
		2258	$Coro::current->{desc} = "map player save";
2032	$_->contr->save for $self->players;	2259	$_->contr->save for $self->players;
2033	};	2260	};
		2261
		2262	cf::get_slot 0.02;
2034		2263
2035	if ($uniq) {	2264	if ($uniq) {
2036	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2265	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2037	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2266	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2038	} else {	2267	} else {
2039	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2268	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2040	}	2269	}
2041	}	2270	}
2042		2271
		2272	sub save {
		2273	my ($self) = @_;
		2274
		2275	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2276
		2277	$self->_save;
		2278	}
		2279
2043	sub swap_out {	2280	sub swap_out {
2044	my ($self) = @_;	2281	my ($self) = @_;
2045		2282
2046	# save first because save cedes
2047	$self->save;
2048
2049	my $lock = cf::lock_acquire "map_data:" . $self->path;	2283	my $lock = cf::lock_acquire "map_data:$self->{path}";
2050		2284
		2285	return if $self->in_memory != cf::MAP_ACTIVE;
		2286	return if $self->{deny_save};
2051	return if $self->players;	2287	return if $self->players;
2052	return if $self->in_memory != cf::MAP_IN_MEMORY;
2053	return if $self->{deny_save};
2054		2288
		2289	# first deactivate the map and "unlink" it from the core
		2290	$self->deactivate;
		2291	$_->clear_links_to ($self) for values %cf::MAP;
		2292	$self->in_memory (cf::MAP_SWAPPED);
		2293
		2294	# then atomically save
		2295	$self->_save;
		2296
		2297	# then free the map
2055	$self->clear;	2298	$self->clear;
2056	$self->in_memory (cf::MAP_SWAPPED);
2057	}	2299	}
2058		2300
2059	sub reset_at {	2301	sub reset_at {
2060	my ($self) = @_;	2302	my ($self) = @_;
2061		2303
…		…
2079		2321
2080	my $lock = cf::lock_acquire "map_data:$self->{path}";	2322	my $lock = cf::lock_acquire "map_data:$self->{path}";
2081		2323
2082	return if $self->players;	2324	return if $self->players;
2083		2325
2084	warn "resetting map ", $self->path;	2326	cf::trace "resetting map ", $self->path, "\n";
2085		2327
2086	$self->in_memory (cf::MAP_SWAPPED);	2328	$self->in_memory (cf::MAP_SWAPPED);
2087		2329
2088	# need to save uniques path	2330	# need to save uniques path
2089	unless ($self->{deny_save}) {	2331	unless ($self->{deny_save}) {
…		…
2093	if $uniq;	2335	if $uniq;
2094	}	2336	}
2095		2337
2096	delete $cf::MAP{$self->path};	2338	delete $cf::MAP{$self->path};
2097		2339
		2340	$self->deactivate;
		2341	$_->clear_links_to ($self) for values %cf::MAP;
2098	$self->clear;	2342	$self->clear;
2099
2100	$_->clear_links_to ($self) for values %cf::MAP;
2101		2343
2102	$self->unlink_save;	2344	$self->unlink_save;
2103	$self->destroy;	2345	$self->destroy;
2104	}	2346	}
2105		2347
2106	my $nuke_counter = "aaaa";	2348	my $nuke_counter = "aaaa";
2107		2349
2108	sub nuke {	2350	sub nuke {
2109	my ($self) = @_;	2351	my ($self) = @_;
2110		2352
		2353	{
		2354	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2355
2111	delete $cf::MAP{$self->path};	2356	delete $cf::MAP{$self->path};
2112		2357
2113	$self->unlink_save;	2358	$self->unlink_save;
2114		2359
2115	bless $self, "cf::map";	2360	bless $self, "cf::map::wrap";
2116	delete $self->{deny_reset};	2361	delete $self->{deny_reset};
2117	$self->{deny_save} = 1;	2362	$self->{deny_save} = 1;
2118	$self->reset_timeout (1);	2363	$self->reset_timeout (1);
2119	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2364	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2120		2365
2121	$cf::MAP{$self->path} = $self;	2366	$cf::MAP{$self->path} = $self;
		2367	}
2122		2368
2123	$self->reset; # polite request, might not happen	2369	$self->reset; # polite request, might not happen
2124	}	2370	}
2125		2371
2126	=item $maps = cf::map::tmp_maps	2372	=item $maps = cf::map::tmp_maps
…		…
2168		2414
2169	sub unique_maps() {	2415	sub unique_maps() {
2170	[	2416	[
2171	map {	2417	map {
2172	utf8::decode $_;	2418	utf8::decode $_;
2173	/\.map$/	2419	s/\.map$//; # TODO future compatibility hack
		2420	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2421	? ()
2174	? normalise $_	2422	: normalise $_
2175	: ()
2176	} @{ aio_readdir $UNIQUEDIR or [] }	2423	} @{ aio_readdir $UNIQUEDIR or [] }
2177	]	2424	]
2178	}	2425	}
2179		2426
2180	package cf;	2427	=item cf::map::static_maps
		2428
		2429	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2430	file in the shared directory excluding F</styles> and F</editor>). May
		2431	block.
		2432
		2433	=cut
		2434
		2435	sub static_maps() {
		2436	my @dirs = "";
		2437	my @maps;
		2438
		2439	while (@dirs) {
		2440	my $dir = shift @dirs;
		2441
		2442	next if $dir eq "/styles" || $dir eq "/editor";
		2443
		2444	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2445	or return;
		2446
		2447	for (@$files) {
		2448	s/\.map$// or next;
		2449	utf8::decode $_;
		2450	push @maps, "$dir/$_";
		2451	}
		2452
		2453	push @dirs, map "$dir/$_", @$dirs;
		2454	}
		2455
		2456	\@maps
		2457	}
2181		2458
2182	=back	2459	=back
2183		2460
2184	=head3 cf::object	2461	=head3 cf::object
2185		2462
…		…
2189		2466
2190	=over 4	2467	=over 4
2191		2468
2192	=item $ob->inv_recursive	2469	=item $ob->inv_recursive
2193		2470
2194	Returns the inventory of the object _and_ their inventories, recursively.	2471	Returns the inventory of the object I<and> their inventories, recursively,
		2472	but I<not> the object itself.
2195		2473
2196	=cut	2474	=cut
2197		2475
2198	sub inv_recursive_;	2476	sub inv_recursive_;
2199	sub inv_recursive_ {	2477	sub inv_recursive_ {
…		…
2202		2480
2203	sub inv_recursive {	2481	sub inv_recursive {
2204	inv_recursive_ inv $_[0]	2482	inv_recursive_ inv $_[0]
2205	}	2483	}
2206		2484
		2485	=item $ref = $ob->ref
		2486
		2487	Creates and returns a persistent reference to an object that can be stored as a string.
		2488
		2489	=item $ob = cf::object::deref ($refstring)
		2490
		2491	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2492	even if the object actually exists. May block.
		2493
		2494	=cut
		2495
		2496	sub deref {
		2497	my ($ref) = @_;
		2498
		2499	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2500	my ($uuid, $name) = ($1, $2);
		2501	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2502	or return;
		2503	$pl->ob->uuid eq $uuid
		2504	or return;
		2505
		2506	$pl->ob
		2507	} else {
		2508	warn "$ref: cannot resolve object reference\n";
		2509	undef
		2510	}
		2511	}
		2512
2207	package cf;	2513	package cf;
2208		2514
2209	=back	2515	=back
2210		2516
2211	=head3 cf::object::player	2517	=head3 cf::object::player
…		…
2217	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2523	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2218	can be C<undef>. Does the right thing when the player is currently in a	2524	can be C<undef>. Does the right thing when the player is currently in a
2219	dialogue with the given NPC character.	2525	dialogue with the given NPC character.
2220		2526
2221	=cut	2527	=cut
		2528
		2529	our $SAY_CHANNEL = {
		2530	id => "say",
		2531	title => "Map",
		2532	reply => "say ",
		2533	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2534	};
		2535
		2536	our $CHAT_CHANNEL = {
		2537	id => "chat",
		2538	title => "Chat",
		2539	reply => "chat ",
		2540	tooltip => "Player chat and shouts, global to the server.",
		2541	};
2222		2542
2223	# rough implementation of a future "reply" method that works	2543	# rough implementation of a future "reply" method that works
2224	# with dialog boxes.	2544	# with dialog boxes.
2225	#TODO: the first argument must go, split into a $npc->reply_to ( method	2545	#TODO: the first argument must go, split into a $npc->reply_to ( method
2226	sub cf::object::player::reply($$$;$) {	2546	sub cf::object::player::reply($$$;$) {
…		…
2238	my $dialog = $pl->{npc_dialog};	2558	my $dialog = $pl->{npc_dialog};
2239	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2559	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2240		2560
2241	} else {	2561	} else {
2242	$msg = $npc->name . " says: $msg" if $npc;	2562	$msg = $npc->name . " says: $msg" if $npc;
2243	$self->message ($msg, $flags);	2563	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2244	}	2564	}
2245	}	2565	}
		2566	}
		2567
		2568	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2569
		2570	=cut
		2571
		2572	sub cf::object::send_msg {
		2573	my $pl = shift->contr
		2574	or return;
		2575	$pl->send_msg (@_);
2246	}	2576	}
2247		2577
2248	=item $player_object->may ("access")	2578	=item $player_object->may ("access")
2249		2579
2250	Returns wether the given player is authorized to access resource "access"	2580	Returns wether the given player is authorized to access resource "access"
…		…
2263		2593
2264	=item $player_object->enter_link	2594	=item $player_object->enter_link
2265		2595
2266	Freezes the player and moves him/her to a special map (C<{link}>).	2596	Freezes the player and moves him/her to a special map (C<{link}>).
2267		2597
2268	The player should be reasonably safe there for short amounts of time. You	2598	The player should be reasonably safe there for short amounts of time (e.g.
2269	I<MUST> call C<leave_link> as soon as possible, though.	2599	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2600	though, as the player cannot control the character while it is on the link
		2601	map.
2270		2602
2271	Will never block.	2603	Will never block.
2272		2604
2273	=item $player_object->leave_link ($map, $x, $y)	2605	=item $player_object->leave_link ($map, $x, $y)
2274		2606
…		…
2294	sub cf::object::player::enter_link {	2626	sub cf::object::player::enter_link {
2295	my ($self) = @_;	2627	my ($self) = @_;
2296		2628
2297	$self->deactivate_recursive;	2629	$self->deactivate_recursive;
2298		2630
		2631	++$self->{_link_recursion};
		2632
2299	return if UNIVERSAL::isa $self->map, "ext::map_link";	2633	return if UNIVERSAL::isa $self->map, "ext::map_link";
2300		2634
2301	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2635	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2302	if $self->map && $self->map->{path} ne "{link}";	2636	if $self->map && $self->map->{path} ne "{link}";
2303		2637
2304	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2638	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2305	}	2639	}
2306		2640
2307	sub cf::object::player::leave_link {	2641	sub cf::object::player::leave_link {
2308	my ($self, $map, $x, $y) = @_;	2642	my ($self, $map, $x, $y) = @_;
2309		2643
…		…
2326	($x, $y) = (-1, -1)	2660	($x, $y) = (-1, -1)
2327	unless (defined $x) && (defined $y);	2661	unless (defined $x) && (defined $y);
2328		2662
2329	# use -1 or undef as default coordinates, not 0, 0	2663	# use -1 or undef as default coordinates, not 0, 0
2330	($x, $y) = ($map->enter_x, $map->enter_y)	2664	($x, $y) = ($map->enter_x, $map->enter_y)
2331	if $x <=0 && $y <= 0;	2665	if $x <= 0 && $y <= 0;
2332		2666
2333	$map->load;	2667	$map->load;
2334	$map->load_diag;	2668	$map->load_neighbours;
2335		2669
2336	return unless $self->contr->active;	2670	return unless $self->contr->active;
2337	$self->activate_recursive;
2338		2671
2339	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2672	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2340	$self->enter_map ($map, $x, $y);	2673	if ($self->enter_map ($map, $x, $y)) {
2341	}	2674	# entering was successful
		2675	delete $self->{_link_recursion};
		2676	# only activate afterwards, to support waiting in hooks
		2677	$self->activate_recursive;
		2678	}
2342		2679
		2680	}
		2681
2343	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2682	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2344		2683
2345	Moves the player to the given map-path and coordinates by first freezing	2684	Moves the player to the given map-path and coordinates by first freezing
2346	her, loading and preparing them map, calling the provided $check callback	2685	her, loading and preparing them map, calling the provided $check callback
2347	that has to return the map if sucecssful, and then unfreezes the player on	2686	that has to return the map if sucecssful, and then unfreezes the player on
2348	the new (success) or old (failed) map position. In either case, $done will	2687	the new (success) or old (failed) map position. In either case, $done will
2349	be called at the end of this process.	2688	be called at the end of this process.
2350		2689
		2690	Note that $check will be called with a potentially non-loaded map, so if
		2691	it needs a loaded map it has to call C<< ->load >>.
		2692
2351	=cut	2693	=cut
2352		2694
2353	our $GOTOGEN;	2695	our $GOTOGEN;
2354		2696
2355	sub cf::object::player::goto {	2697	sub cf::object::player::goto {
2356	my ($self, $path, $x, $y, $check, $done) = @_;	2698	my ($self, $path, $x, $y, $check, $done) = @_;
2357		2699
		2700	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2701	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2702	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2703	($path, $x, $y) = @$EMERGENCY_POSITION;
		2704	}
		2705
2358	# do generation counting so two concurrent goto's will be executed in-order	2706	# do generation counting so two concurrent goto's will be executed in-order
2359	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2707	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2360		2708
2361	$self->enter_link;	2709	$self->enter_link;
2362		2710
2363	(async {	2711	(async {
		2712	$Coro::current->{desc} = "player::goto $path $x $y";
		2713
		2714	# *tag paths override both path and x|y
		2715	if ($path =~ /^\*(.*)$/) {
		2716	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2717	my $ob = $obs[rand @obs];
		2718
		2719	# see if we actually can go there
		2720	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2721	$ob = $obs[rand @obs];
		2722	} else {
		2723	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2724	}
		2725	# else put us there anyways for now #d#
		2726
		2727	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2728	} else {
		2729	($path, $x, $y) = (undef, undef, undef);
		2730	}
		2731	}
		2732
2364	my $map = eval {	2733	my $map = eval {
2365	my $map = cf::map::find $path;	2734	my $map = defined $path ? cf::map::find $path : undef;
2366		2735
2367	if ($map) {	2736	if ($map) {
2368	$map = $map->customise_for ($self);	2737	$map = $map->customise_for ($self);
2369	$map = $check->($map) if $check && $map;	2738	$map = $check->($map, $x, $y, $self) if $check && $map;
2370	} else {	2739	} else {
2371	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2740	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2372	}	2741	}
2373		2742
2374	$map	2743	$map
2375	};	2744	};
2376		2745
…		…
2382	if ($gen == $self->{_goto_generation}) {	2751	if ($gen == $self->{_goto_generation}) {
2383	delete $self->{_goto_generation};	2752	delete $self->{_goto_generation};
2384	$self->leave_link ($map, $x, $y);	2753	$self->leave_link ($map, $x, $y);
2385	}	2754	}
2386		2755
2387	$done->() if $done;	2756	$done->($self) if $done;
2388	})->prio (1);	2757	})->prio (1);
2389	}	2758	}
2390		2759
2391	=item $player_object->enter_exit ($exit_object)	2760	=item $player_object->enter_exit ($exit_object)
2392		2761
…		…
2412	}	2781	}
2413		2782
2414	sub prepare_random_map {	2783	sub prepare_random_map {
2415	my ($exit) = @_;	2784	my ($exit) = @_;
2416		2785
2417	my $guard = cf::lock_acquire "exit_prepare:$exit";
2418
2419	# all this does is basically replace the /! path by	2786	# all this does is basically replace the /! path by
2420	# a new random map path (?random/...) with a seed	2787	# a new random map path (?random/...) with a seed
2421	# that depends on the exit object	2788	# that depends on the exit object
2422		2789
2423	my $rmp = parse_random_map_params $exit->msg;	2790	my $rmp = parse_random_map_params $exit->msg;
…		…
2425	if ($exit->map) {	2792	if ($exit->map) {
2426	$rmp->{region} = $exit->region->name;	2793	$rmp->{region} = $exit->region->name;
2427	$rmp->{origin_map} = $exit->map->path;	2794	$rmp->{origin_map} = $exit->map->path;
2428	$rmp->{origin_x} = $exit->x;	2795	$rmp->{origin_x} = $exit->x;
2429	$rmp->{origin_y} = $exit->y;	2796	$rmp->{origin_y} = $exit->y;
		2797
		2798	$exit->map->touch;
2430	}	2799	}
2431		2800
2432	$rmp->{random_seed} ||= $exit->random_seed;	2801	$rmp->{random_seed} ||= $exit->random_seed;
2433		2802
2434	my $data = cf::to_json $rmp;	2803	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2435	my $md5 = Digest::MD5::md5_hex $data;	2804	my $md5 = Digest::MD5::md5_hex $data;
2436	my $meta = "$RANDOMDIR/$md5.meta";	2805	my $meta = "$RANDOMDIR/$md5.meta";
2437		2806
2438	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2807	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2439	aio_write $fh, 0, (length $data), $data, 0;	2808	aio_write $fh, 0, (length $data), $data, 0;
2440	undef $fh;	2809	undef $fh;
2441	aio_rename "$meta~", $meta;	2810	aio_rename "$meta~", $meta;
2442		2811
		2812	my $slaying = "?random/$md5";
		2813
		2814	if ($exit->valid) {
2443	$exit->slaying ("?random/$md5");	2815	$exit->slaying ("?random/$md5");
2444	$exit->msg (undef);	2816	$exit->msg (undef);
		2817	}
2445	}	2818	}
2446	}	2819	}
2447		2820
2448	sub cf::object::player::enter_exit {	2821	sub cf::object::player::enter_exit {
2449	my ($self, $exit) = @_;	2822	my ($self, $exit) = @_;
2450		2823
2451	return unless $self->type == cf::PLAYER;	2824	return unless $self->type == cf::PLAYER;
2452		2825
2453	if ($exit->slaying eq "/!") {
2454	#TODO: this should de-fi-ni-te-ly not be a sync-job
2455	# the problem is that $exit might not survive long enough
2456	# so it needs to be done right now, right here
2457	cf::sync_job { prepare_random_map $exit };
2458	}
2459
2460	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2461	my $hp = $exit->stats->hp;
2462	my $sp = $exit->stats->sp;
2463
2464	$self->enter_link;	2826	$self->enter_link;
2465		2827
2466	# if exit is damned, update players death & WoR home-position
2467	$self->contr->savebed ($slaying, $hp, $sp)
2468	if $exit->flag (FLAG_DAMNED);
2469
2470	(async {	2828	(async {
2471	$self->deactivate_recursive; # just to be sure	2829	$Coro::current->{desc} = "enter_exit";
		2830
2472	unless (eval {	2831	unless (eval {
		2832	$self->deactivate_recursive; # just to be sure
		2833
		2834	# random map handling
		2835	{
		2836	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2837
		2838	prepare_random_map $exit
		2839	if $exit->slaying eq "/!";
		2840	}
		2841
		2842	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2843	my $x = $exit->stats->hp;
		2844	my $y = $exit->stats->sp;
		2845
2473	$self->goto ($slaying, $hp, $sp);	2846	$self->goto ($map, $x, $y);
2474		2847
		2848	# if exit is damned, update players death & WoR home-position
		2849	$self->contr->savebed ($map, $x, $y)
		2850	if $exit->flag (cf::FLAG_DAMNED);
		2851
2475	1;	2852	1
2476	}) {	2853	}) {
2477	$self->message ("Something went wrong deep within the crossfire server. "	2854	$self->message ("Something went wrong deep within the deliantra server. "
2478	. "I'll try to bring you back to the map you were before. "	2855	. "I'll try to bring you back to the map you were before. "
2479	. "Please report this to the dungeon master!",	2856	. "Please report this to the dungeon master!",
2480	cf::NDI_UNIQUE | cf::NDI_RED);	2857	cf::NDI_UNIQUE | cf::NDI_RED);
2481		2858
2482	warn "ERROR in enter_exit: $@";	2859	error "ERROR in enter_exit: $@";
2483	$self->leave_link;	2860	$self->leave_link;
2484	}	2861	}
2485	})->prio (1);	2862	})->prio (1);
2486	}	2863	}
2487		2864
…		…
2499	sub cf::client::send_drawinfo {	2876	sub cf::client::send_drawinfo {
2500	my ($self, $text, $flags) = @_;	2877	my ($self, $text, $flags) = @_;
2501		2878
2502	utf8::encode $text;	2879	utf8::encode $text;
2503	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2880	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2881	}
		2882
		2883	=item $client->send_big_packet ($pkt)
		2884
		2885	Like C<send_packet>, but tries to compress large packets, and fragments
		2886	them as required.
		2887
		2888	=cut
		2889
		2890	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2891
		2892	sub cf::client::send_big_packet {
		2893	my ($self, $pkt) = @_;
		2894
		2895	# try lzf for large packets
		2896	$pkt = "lzf " . Compress::LZF::compress $pkt
		2897	if 1024 <= length $pkt and $self->{can_lzf};
		2898
		2899	# split very large packets
		2900	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2901	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2902	$pkt = "frag";
		2903	}
		2904
		2905	$self->send_packet ($pkt);
2504	}	2906	}
2505		2907
2506	=item $client->send_msg ($channel, $msg, $color, [extra...])	2908	=item $client->send_msg ($channel, $msg, $color, [extra...])
2507		2909
2508	Send a drawinfo or msg packet to the client, formatting the msg for the	2910	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2510	the message, with C<log> being the default. If C<$color> is negative, suppress	2912	the message, with C<log> being the default. If C<$color> is negative, suppress
2511	the message unless the client supports the msg packet.	2913	the message unless the client supports the msg packet.
2512		2914
2513	=cut	2915	=cut
2514		2916
		2917	# non-persistent channels (usually the info channel)
		2918	our %CHANNEL = (
		2919	"c/motd" => {
		2920	id => "infobox",
		2921	title => "MOTD",
		2922	reply => undef,
		2923	tooltip => "The message of the day",
		2924	},
		2925	"c/identify" => {
		2926	id => "infobox",
		2927	title => "Identify",
		2928	reply => undef,
		2929	tooltip => "Items recently identified",
		2930	},
		2931	"c/examine" => {
		2932	id => "infobox",
		2933	title => "Examine",
		2934	reply => undef,
		2935	tooltip => "Signs and other items you examined",
		2936	},
		2937	"c/shopinfo" => {
		2938	id => "infobox",
		2939	title => "Shop Info",
		2940	reply => undef,
		2941	tooltip => "What your bargaining skill tells you about the shop",
		2942	},
		2943	"c/book" => {
		2944	id => "infobox",
		2945	title => "Book",
		2946	reply => undef,
		2947	tooltip => "The contents of a note or book",
		2948	},
		2949	"c/lookat" => {
		2950	id => "infobox",
		2951	title => "Look",
		2952	reply => undef,
		2953	tooltip => "What you saw there",
		2954	},
		2955	"c/who" => {
		2956	id => "infobox",
		2957	title => "Players",
		2958	reply => undef,
		2959	tooltip => "Shows players who are currently online",
		2960	},
		2961	"c/body" => {
		2962	id => "infobox",
		2963	title => "Body Parts",
		2964	reply => undef,
		2965	tooltip => "Shows which body parts you posess and are available",
		2966	},
		2967	"c/statistics" => {
		2968	id => "infobox",
		2969	title => "Statistics",
		2970	reply => undef,
		2971	tooltip => "Shows your primary statistics",
		2972	},
		2973	"c/skills" => {
		2974	id => "infobox",
		2975	title => "Skills",
		2976	reply => undef,
		2977	tooltip => "Shows your experience per skill and item power",
		2978	},
		2979	"c/shopitems" => {
		2980	id => "infobox",
		2981	title => "Shop Items",
		2982	reply => undef,
		2983	tooltip => "Shows the items currently for sale in this shop",
		2984	},
		2985	"c/resistances" => {
		2986	id => "infobox",
		2987	title => "Resistances",
		2988	reply => undef,
		2989	tooltip => "Shows your resistances",
		2990	},
		2991	"c/pets" => {
		2992	id => "infobox",
		2993	title => "Pets",
		2994	reply => undef,
		2995	tooltip => "Shows information abotu your pets/a specific pet",
		2996	},
		2997	"c/perceiveself" => {
		2998	id => "infobox",
		2999	title => "Perceive Self",
		3000	reply => undef,
		3001	tooltip => "You gained detailed knowledge about yourself",
		3002	},
		3003	"c/uptime" => {
		3004	id => "infobox",
		3005	title => "Uptime",
		3006	reply => undef,
		3007	tooltip => "How long the server has been running since last restart",
		3008	},
		3009	"c/mapinfo" => {
		3010	id => "infobox",
		3011	title => "Map Info",
		3012	reply => undef,
		3013	tooltip => "Information related to the maps",
		3014	},
		3015	"c/party" => {
		3016	id => "party",
		3017	title => "Party",
		3018	reply => "gsay ",
		3019	tooltip => "Messages and chat related to your party",
		3020	},
		3021	"c/death" => {
		3022	id => "death",
		3023	title => "Death",
		3024	reply => undef,
		3025	tooltip => "Reason for and more info about your most recent death",
		3026	},
		3027	"c/say" => $SAY_CHANNEL,
		3028	"c/chat" => $CHAT_CHANNEL,
		3029	);
		3030
2515	sub cf::client::send_msg {	3031	sub cf::client::send_msg {
2516	my ($self, $channel, $msg, $color, @extra) = @_;	3032	my ($self, $channel, $msg, $color, @extra) = @_;
2517		3033
2518	$msg = $self->pl->expand_cfpod ($msg);	3034	$msg = $self->pl->expand_cfpod ($msg)
		3035	unless $color & cf::NDI_VERBATIM;
2519		3036
2520	$color &= cf::NDI_CLIENT_MASK; # just in case...	3037	$color &= cf::NDI_CLIENT_MASK; # just in case...
2521		3038
		3039	# check predefined channels, for the benefit of C
		3040	if ($CHANNEL{$channel}) {
		3041	$channel = $CHANNEL{$channel};
		3042
		3043	$self->ext_msg (channel_info => $channel);
		3044	$channel = $channel->{id};
		3045
2522	if (ref $channel) {	3046	} elsif (ref $channel) {
2523	# send meta info to client, if not yet sent	3047	# send meta info to client, if not yet sent
2524	unless (exists $self->{channel}{$channel->{id}}) {	3048	unless (exists $self->{channel}{$channel->{id}}) {
2525	$self->{channel}{$channel->{id}} = $channel;	3049	$self->{channel}{$channel->{id}} = $channel;
2526	$self->ext_msg (channel_info => $channel);	3050	$self->ext_msg (channel_info => $channel);
2527	}	3051	}
…		…
2529	$channel = $channel->{id};	3053	$channel = $channel->{id};
2530	}	3054	}
2531		3055
2532	return unless @extra || length $msg;	3056	return unless @extra || length $msg;
2533		3057
2534	if ($self->can_msg) {
2535	# default colour, mask it out	3058	# default colour, mask it out
2536	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3059	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2537	if $color & cf::NDI_DEF;	3060	if $color & cf::NDI_DEF;
2538		3061
2539	$self->send_packet ("msg " . $self->{json_coder}->encode (	3062	my $pkt = "msg "
		3063	. $self->{json_coder}->encode (
2540	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3064	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2541	} else {	3065	);
2542	if ($color >= 0) {
2543	# replace some tags by gcfclient-compatible ones
2544	for ($msg) {
2545	1 while
2546	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2547	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2548	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2549	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2550	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2551	}
2552		3066
2553	$color &= cf::NDI_COLOR_MASK;	3067	$self->send_big_packet ($pkt);
2554
2555	if (0 && $msg =~ /\[/) {
2556	$self->send_packet ("drawextinfo $color 4 0 $msg")
2557	} else {
2558	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2559	$self->send_packet ("drawinfo $color $msg")
2560	}
2561	}
2562	}
2563	}	3068	}
2564		3069
2565	=item $client->ext_msg ($type, @msg)	3070	=item $client->ext_msg ($type, @msg)
2566		3071
2567	Sends an ext event to the client.	3072	Sends an ext event to the client.
…		…
2569	=cut	3074	=cut
2570		3075
2571	sub cf::client::ext_msg($$@) {	3076	sub cf::client::ext_msg($$@) {
2572	my ($self, $type, @msg) = @_;	3077	my ($self, $type, @msg) = @_;
2573		3078
2574	my $extcmd = $self->extcmd;
2575
2576	if ($extcmd == 2) {	3079	if ($self->extcmd == 2) {
2577	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3080	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2578	} elsif ($extcmd == 1) { # TODO: remove	3081	} elsif ($self->extcmd == 1) { # TODO: remove
2579	push @msg, msgtype => "event_$type";	3082	push @msg, msgtype => "event_$type";
2580	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3083	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3084	}
		3085	}
		3086
		3087	=item $client->ext_reply ($msgid, @msg)
		3088
		3089	Sends an ext reply to the client.
		3090
		3091	=cut
		3092
		3093	sub cf::client::ext_reply($$@) {
		3094	my ($self, $id, @msg) = @_;
		3095
		3096	if ($self->extcmd == 2) {
		3097	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3098	} elsif ($self->extcmd == 1) {
		3099	#TODO: version 1, remove
		3100	unshift @msg, msgtype => "reply", msgid => $id;
		3101	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2581	}	3102	}
2582	}	3103	}
2583		3104
2584	=item $success = $client->query ($flags, "text", \&cb)	3105	=item $success = $client->query ($flags, "text", \&cb)
2585		3106
…		…
2646	my ($type, $reply, @payload) =	3167	my ($type, $reply, @payload) =
2647	"ARRAY" eq ref $msg	3168	"ARRAY" eq ref $msg
2648	? @$msg	3169	? @$msg
2649	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	3170	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2650		3171
		3172	my @reply;
		3173
2651	if (my $cb = $EXTICMD{$type}) {	3174	if (my $cb = $EXTICMD{$type}) {
2652	my @reply = $cb->($ns, @payload);	3175	@reply = $cb->($ns, @payload);
2653
2654	$ns->ext_reply ($reply, @reply)
2655	if $reply;
2656	}	3176	}
		3177
		3178	$ns->ext_reply ($reply, @reply)
		3179	if $reply;
		3180
2657	} else {	3181	} else {
2658	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3182	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2659	}	3183	}
2660		3184
2661	cf::override;	3185	cf::override;
2662	},	3186	},
2663	);	3187	);
…		…
2683		3207
2684	$coro	3208	$coro
2685	}	3209	}
2686		3210
2687	cf::client->attach (	3211	cf::client->attach (
2688	on_destroy => sub {	3212	on_client_destroy => sub {
2689	my ($ns) = @_;	3213	my ($ns) = @_;
2690		3214
2691	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3215	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2692	},	3216	},
2693	);	3217	);
…		…
2708	our $safe = new Safe "safe";	3232	our $safe = new Safe "safe";
2709	our $safe_hole = new Safe::Hole;	3233	our $safe_hole = new Safe::Hole;
2710		3234
2711	$SIG{FPE} = 'IGNORE';	3235	$SIG{FPE} = 'IGNORE';
2712		3236
2713	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3237	$safe->permit_only (Opcode::opset qw(
		3238	:base_core :base_mem :base_orig :base_math :base_loop
		3239	grepstart grepwhile mapstart mapwhile
		3240	sort time
		3241	));
2714		3242
2715	# here we export the classes and methods available to script code	3243	# here we export the classes and methods available to script code
2716		3244
2717	=pod	3245	=pod
2718		3246
2719	The following functions and methods are available within a safe environment:	3247	The following functions and methods are available within a safe environment:
2720		3248
2721	cf::object	3249	cf::object
2722	contr pay_amount pay_player map x y force_find force_add	3250	contr pay_amount pay_player map x y force_find force_add destroy
2723	insert remove	3251	insert remove name archname title slaying race decrease split
		3252	value
2724		3253
2725	cf::object::player	3254	cf::object::player
2726	player	3255	player
2727		3256
2728	cf::player	3257	cf::player
…		…
2733		3262
2734	=cut	3263	=cut
2735		3264
2736	for (	3265	for (
2737	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3266	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2738	insert remove)],	3267	insert remove inv nrof name archname title slaying race
		3268	decrease split destroy change_exp value msg lore send_msg)],
2739	["cf::object::player" => qw(player)],	3269	["cf::object::player" => qw(player)],
2740	["cf::player" => qw(peaceful)],	3270	["cf::player" => qw(peaceful send_msg)],
2741	["cf::map" => qw(trigger)],	3271	["cf::map" => qw(trigger)],
2742	) {	3272	) {
2743	no strict 'refs';	3273	no strict 'refs';
2744	my ($pkg, @funs) = @$_;	3274	my ($pkg, @funs) = @$_;
2745	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3275	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2763		3293
2764	my $qcode = $code;	3294	my $qcode = $code;
2765	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3295	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2766	$qcode =~ s/\n/\\n/g;	3296	$qcode =~ s/\n/\\n/g;
2767		3297
		3298	%vars = (_dummy => 0) unless %vars;
		3299
		3300	my @res;
2768	local $_;	3301	local $_;
2769	local @safe::cf::_safe_eval_args = values %vars;
2770		3302
2771	my $eval =	3303	my $eval =
2772	"do {\n"	3304	"do {\n"
2773	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3305	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2774	. "#line 0 \"{$qcode}\"\n"	3306	. "#line 0 \"{$qcode}\"\n"
2775	. $code	3307	. $code
2776	. "\n}"	3308	. "\n}"
2777	;	3309	;
2778		3310
		3311	if ($CFG{safe_eval}) {
2779	sub_generation_inc;	3312	sub_generation_inc;
		3313	local @safe::cf::_safe_eval_args = values %vars;
2780	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3314	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2781	sub_generation_inc;	3315	sub_generation_inc;
		3316	} else {
		3317	local @cf::_safe_eval_args = values %vars;
		3318	@res = wantarray ? eval eval : scalar eval $eval;
		3319	}
2782		3320
2783	if ($@) {	3321	if ($@) {
2784	warn "$@";	3322	warn "$@",
2785	warn "while executing safe code '$code'\n";	3323	"while executing safe code '$code'\n",
2786	warn "with arguments " . (join " ", %vars) . "\n";	3324	"with arguments " . (join " ", %vars) . "\n";
2787	}	3325	}
2788		3326
2789	wantarray ? @res : $res[0]	3327	wantarray ? @res : $res[0]
2790	}	3328	}
2791		3329
…		…
2805	=cut	3343	=cut
2806		3344
2807	sub register_script_function {	3345	sub register_script_function {
2808	my ($fun, $cb) = @_;	3346	my ($fun, $cb) = @_;
2809		3347
2810	no strict 'refs';	3348	$fun = "safe::$fun" if $CFG{safe_eval};
2811	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3349	*$fun = $safe_hole->wrap ($cb);
2812	}	3350	}
2813		3351
2814	=back	3352	=back
2815		3353
2816	=cut	3354	=cut
…		…
2819	# the server's init and main functions	3357	# the server's init and main functions
2820		3358
2821	sub load_facedata($) {	3359	sub load_facedata($) {
2822	my ($path) = @_;	3360	my ($path) = @_;
2823		3361
		3362	# HACK to clear player env face cache, we need some signal framework
		3363	# for this (global event?)
		3364	%ext::player_env::MUSIC_FACE_CACHE = ();
		3365
		3366	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3367
2824	warn "loading facedata from $path\n";	3368	trace "loading facedata from $path\n";
2825		3369
2826	my $facedata;	3370	my $facedata;
2827	0 < aio_load $path, $facedata	3371	0 < aio_load $path, $facedata
2828	or die "$path: $!";	3372	or die "$path: $!";
2829		3373
2830	$facedata = Coro::Storable::thaw $facedata;	3374	$facedata = Coro::Storable::thaw $facedata;
2831		3375
2832	$facedata->{version} == 2	3376	$facedata->{version} == 2
2833	or cf::cleanup "$path: version mismatch, cannot proceed.";	3377	or cf::cleanup "$path: version mismatch, cannot proceed.";
2834		3378
		3379	# patch in the exptable
		3380	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3381	$facedata->{resource}{"res/exp_table"} = {
		3382	type => FT_RSRC,
		3383	data => $exp_table,
		3384	hash => (Digest::MD5::md5 $exp_table),
		3385	};
		3386	cf::cede_to_tick;
		3387
2835	{	3388	{
2836	my $faces = $facedata->{faceinfo};	3389	my $faces = $facedata->{faceinfo};
2837		3390
2838	while (my ($face, $info) = each %$faces) {	3391	while (my ($face, $info) = each %$faces) {
2839	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3392	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3393
2840	cf::face::set_visibility $idx, $info->{visibility};	3394	cf::face::set_visibility $idx, $info->{visibility};
2841	cf::face::set_magicmap $idx, $info->{magicmap};	3395	cf::face::set_magicmap $idx, $info->{magicmap};
2842	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3396	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2843	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3397	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2844		3398
2845	cf::cede_to_tick;	3399	cf::cede_to_tick;
2846	}	3400	}
2847		3401
2848	while (my ($face, $info) = each %$faces) {	3402	while (my ($face, $info) = each %$faces) {
2849	next unless $info->{smooth};	3403	next unless $info->{smooth};
		3404
2850	my $idx = cf::face::find $face	3405	my $idx = cf::face::find $face
2851	or next;	3406	or next;
		3407
2852	if (my $smooth = cf::face::find $info->{smooth}) {	3408	if (my $smooth = cf::face::find $info->{smooth}) {
2853	cf::face::set_smooth $idx, $smooth;	3409	cf::face::set_smooth $idx, $smooth;
2854	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3410	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2855	} else {	3411	} else {
2856	warn "smooth face '$info->{smooth}' not found for face '$face'";	3412	error "smooth face '$info->{smooth}' not found for face '$face'";
2857	}	3413	}
2858		3414
2859	cf::cede_to_tick;	3415	cf::cede_to_tick;
2860	}	3416	}
2861	}	3417	}
…		…
2870		3426
2871	cf::anim::invalidate_all; # d'oh	3427	cf::anim::invalidate_all; # d'oh
2872	}	3428	}
2873		3429
2874	{	3430	{
2875	# TODO: for gcfclient pleasure, we should give resources
2876	# that gcfclient doesn't grok a >10000 face index.
2877	my $res = $facedata->{resource};	3431	my $res = $facedata->{resource};
2878	my $enc = JSON::XS->new->utf8->canonical;
2879
2880	my $soundconf = delete $res->{"res/sound.conf"};
2881		3432
2882	while (my ($name, $info) = each %$res) {	3433	while (my ($name, $info) = each %$res) {
2883	my $meta = $enc->encode ({	3434	if (defined $info->{type}) {
2884	name => $name,
2885	%{ $info->{meta} || {} },
2886	});
2887
2888	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3435	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2889		3436
2890	if ($info->{type} & 1) {
2891	# prepend meta info
2892
2893	my $data = pack "(w/a*)*", $meta, $info->{data};
2894	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2895
2896	cf::face::set_data $idx, 0, $data, $chk;	3437	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3438	cf::face::set_type $idx, $info->{type};
2897	} else {	3439	} else {
2898	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};	3440	$RESOURCE{$name} = $info; # unused
2899	}	3441	}
2900		3442
2901	cf::face::set_type $idx, $info->{type};
2902
2903	cf::cede_to_tick;	3443	cf::cede_to_tick;
2904	}	3444	}
2905
2906	if ($soundconf) {
2907	$soundconf = $enc->decode (delete $soundconf->{data});
2908
2909	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2910	my $sound = $soundconf->{compat}[$_]
2911	or next;
2912
2913	my $face = cf::face::find "sound/$sound->[1]";
2914	cf::sound::set $sound->[0] => $face;
2915	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2916	}
2917
2918	while (my ($k, $v) = each %{$soundconf->{event}}) {
2919	my $face = cf::face::find "sound/$v";
2920	cf::sound::set $k => $face;
2921	}
2922	}
2923	}	3445	}
		3446
		3447	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2924		3448
2925	1	3449	1
2926	}	3450	}
2927		3451
2928	register_exticmd fx_want => sub {	3452	register_exticmd fx_want => sub {
…		…
2931	while (my ($k, $v) = each %$want) {	3455	while (my ($k, $v) = each %$want) {
2932	$ns->fx_want ($k, $v);	3456	$ns->fx_want ($k, $v);
2933	}	3457	}
2934	};	3458	};
2935		3459
		3460	sub load_resource_file($) {
		3461	my $guard = lock_acquire "load_resource_file";
		3462
		3463	my $status = load_resource_file_ $_[0];
		3464	get_slot 0.1, 100;
		3465	cf::arch::commit_load;
		3466
		3467	$status
		3468	}
		3469
2936	sub reload_regions {	3470	sub reload_regions {
		3471	# HACK to clear player env face cache, we need some signal framework
		3472	# for this (global event?)
		3473	%ext::player_env::MUSIC_FACE_CACHE = ();
		3474
2937	load_resource_file "$MAPDIR/regions"	3475	load_resource_file "$MAPDIR/regions"
2938	or die "unable to load regions file\n";	3476	or die "unable to load regions file\n";
2939		3477
2940	for (cf::region::list) {	3478	for (cf::region::list) {
2941	$_->{match} = qr/$_->{match}/	3479	$_->{match} = qr/$_->{match}/
…		…
2949	}	3487	}
2950		3488
2951	sub reload_archetypes {	3489	sub reload_archetypes {
2952	load_resource_file "$DATADIR/archetypes"	3490	load_resource_file "$DATADIR/archetypes"
2953	or die "unable to load archetypes\n";	3491	or die "unable to load archetypes\n";
2954	#d# NEED to laod twice to resolve forward references
2955	# this really needs to be done in an extra post-pass
2956	# (which needs to be synchronous, so solve it differently)
2957	load_resource_file "$DATADIR/archetypes"
2958	or die "unable to load archetypes\n";
2959	}	3492	}
2960		3493
2961	sub reload_treasures {	3494	sub reload_treasures {
2962	load_resource_file "$DATADIR/treasures"	3495	load_resource_file "$DATADIR/treasures"
2963	or die "unable to load treasurelists\n";	3496	or die "unable to load treasurelists\n";
2964	}	3497	}
2965		3498
		3499	sub reload_sound {
		3500	trace "loading sound config from $DATADIR/sound\n";
		3501
		3502	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3503	or die "$DATADIR/sound $!";
		3504
		3505	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3506
		3507	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3508	my $sound = $soundconf->{compat}[$_]
		3509	or next;
		3510
		3511	my $face = cf::face::find "sound/$sound->[1]";
		3512	cf::sound::set $sound->[0] => $face;
		3513	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3514	}
		3515
		3516	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3517	my $face = cf::face::find "sound/$v";
		3518	cf::sound::set $k => $face;
		3519	}
		3520	}
		3521
2966	sub reload_resources {	3522	sub reload_resources {
2967	warn "reloading resource files...\n";	3523	trace "reloading resource files...\n";
2968		3524
		3525	reload_facedata;
		3526	reload_sound;
		3527	reload_archetypes;
2969	reload_regions;	3528	reload_regions;
2970	reload_facedata;
2971	#reload_archetypes;#d#
2972	reload_archetypes;
2973	reload_treasures;	3529	reload_treasures;
2974		3530
2975	warn "finished reloading resource files\n";	3531	trace "finished reloading resource files\n";
2976	}	3532	}
2977		3533
2978	sub init {	3534	sub reload_config {
2979	reload_resources;	3535	trace "reloading config file...\n";
2980	}
2981		3536
2982	sub cfg_load {
2983	open my $fh, "<:utf8", "$CONFDIR/config"	3537	open my $fh, "<:utf8", "$CONFDIR/config"
2984	or return;	3538	or return;
2985		3539
2986	local $/;	3540	local $/;
2987	*CFG = YAML::Syck::Load <$fh>;	3541	*CFG = YAML::XS::Load scalar <$fh>;
2988		3542
2989	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3543	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2990		3544
2991	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3545	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2992	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3546	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2993		3547
2994	if (exists $CFG{mlockall}) {	3548	if (exists $CFG{mlockall}) {
…		…
2996	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3550	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2997	and die "WARNING: m(un)lockall failed: $!\n";	3551	and die "WARNING: m(un)lockall failed: $!\n";
2998	};	3552	};
2999	warn $@ if $@;	3553	warn $@ if $@;
3000	}	3554	}
		3555
		3556	trace "finished reloading resource files\n";
		3557	}
		3558
		3559	sub pidfile() {
		3560	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3561	or die "$PIDFILE: $!";
		3562	flock $fh, &Fcntl::LOCK_EX
		3563	or die "$PIDFILE: flock: $!";
		3564	$fh
		3565	}
		3566
		3567	# make sure only one server instance is running at any one time
		3568	sub atomic {
		3569	my $fh = pidfile;
		3570
		3571	my $pid = <$fh>;
		3572	kill 9, $pid if $pid > 0;
		3573
		3574	seek $fh, 0, 0;
		3575	print $fh $$;
		3576	}
		3577
		3578	sub main_loop {
		3579	trace "EV::loop starting\n";
		3580	if (1) {
		3581	EV::loop;
		3582	}
		3583	trace "EV::loop returned\n";
		3584	goto &main_loop unless $REALLY_UNLOOP;
3001	}	3585	}
3002		3586
3003	sub main {	3587	sub main {
		3588	cf::init_globals; # initialise logging
		3589
		3590	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3591	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3592	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3593	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3594
		3595	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3596
3004	# we must not ever block the main coroutine	3597	# we must not ever block the main coroutine
3005	local $Coro::idle = sub {	3598	local $Coro::idle = sub {
3006	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3599	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3007	(async {	3600	(async {
3008	Event::one_event;	3601	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3602	EV::loop EV::LOOP_ONESHOT;
3009	})->prio (Coro::PRIO_MAX);	3603	})->prio (Coro::PRIO_MAX);
3010	};	3604	};
3011		3605
3012	cfg_load;	3606	evthread_start IO::AIO::poll_fileno;
		3607
		3608	cf::sync_job {
		3609	cf::init_experience;
		3610	cf::init_anim;
		3611	cf::init_attackmess;
		3612	cf::init_dynamic;
		3613
		3614	cf::load_settings;
		3615	cf::load_materials;
		3616
		3617	reload_resources;
		3618	reload_config;
3013	db_init;	3619	db_init;
		3620
		3621	cf::init_uuid;
		3622	cf::init_signals;
		3623	cf::init_skills;
		3624
		3625	cf::init_beforeplay;
		3626
		3627	atomic;
		3628
3014	load_extensions;	3629	load_extensions;
3015		3630
3016	$TICK_WATCHER->start;	3631	utime time, time, $RUNTIMEFILE;
3017	Event::loop;	3632
		3633	# no (long-running) fork's whatsoever before this point(!)
		3634	use POSIX ();
		3635	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3636
		3637	(pop @POST_INIT)->(0) while @POST_INIT;
		3638	};
		3639
		3640	cf::object::thawer::errors_are_fatal 0;
		3641	info "parse errors in files are no longer fatal from this point on.\n";
		3642
		3643	main_loop;
3018	}	3644	}
3019		3645
3020	#############################################################################	3646	#############################################################################
3021	# initialisation and cleanup	3647	# initialisation and cleanup
3022		3648
3023	# install some emergency cleanup handlers	3649	# install some emergency cleanup handlers
3024	BEGIN {	3650	BEGIN {
		3651	our %SIGWATCHER = ();
3025	for my $signal (qw(INT HUP TERM)) {	3652	for my $signal (qw(INT HUP TERM)) {
3026	Event->signal (	3653	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3027	reentrant => 0,
3028	data => WF_AUTOCANCEL,
3029	signal => $signal,
3030	prio => 0,
3031	cb => sub {
3032	cf::cleanup "SIG$signal";	3654	cf::cleanup "SIG$signal";
3033	},
3034	);	3655	};
3035	}	3656	}
3036	}	3657	}
3037		3658
3038	sub write_runtime {	3659	sub write_runtime_sync {
3039	my $runtime = "$LOCALDIR/runtime";	3660	my $t0 = AE::time;
3040		3661
3041	# first touch the runtime file to show we are still running:	3662	# first touch the runtime file to show we are still running:
3042	# the fsync below can take a very very long time.	3663	# the fsync below can take a very very long time.
3043		3664
3044	IO::AIO::aio_utime $runtime, undef, undef;	3665	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3045		3666
3046	my $guard = cf::lock_acquire "write_runtime";	3667	my $guard = cf::lock_acquire "write_runtime";
3047		3668
3048	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3669	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3049	or return;	3670	or return;
3050		3671
3051	my $value = $cf::RUNTIME + 90 + 10;	3672	my $value = $cf::RUNTIME + 90 + 10;
3052	# 10 is the runtime save interval, for a monotonic clock	3673	# 10 is the runtime save interval, for a monotonic clock
3053	# 60 allows for the watchdog to kill the server.	3674	# 60 allows for the watchdog to kill the server.
…		…
3063	aio_utime $fh, undef, undef;	3684	aio_utime $fh, undef, undef;
3064		3685
3065	close $fh	3686	close $fh
3066	or return;	3687	or return;
3067		3688
3068	aio_rename "$runtime~", $runtime	3689	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3069	and return;	3690	and return;
3070		3691
3071	warn "runtime file written.\n";	3692	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3072		3693
3073	1	3694	1
		3695	}
		3696
		3697	our $uuid_lock;
		3698	our $uuid_skip;
		3699
		3700	sub write_uuid_sync($) {
		3701	$uuid_skip ||= $_[0];
		3702
		3703	return if $uuid_lock;
		3704	local $uuid_lock = 1;
		3705
		3706	my $uuid = "$LOCALDIR/uuid";
		3707
		3708	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3709	or return;
		3710
		3711	my $value = uuid_seq uuid_cur;
		3712
		3713	unless ($value) {
		3714	info "cowardly refusing to write zero uuid value!\n";
		3715	return;
		3716	}
		3717
		3718	my $value = uuid_str $value + $uuid_skip;
		3719	$uuid_skip = 0;
		3720
		3721	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3722	and return;
		3723
		3724	# always fsync - this file is important
		3725	aio_fsync $fh
		3726	and return;
		3727
		3728	close $fh
		3729	or return;
		3730
		3731	aio_rename "$uuid~", $uuid
		3732	and return;
		3733
		3734	trace "uuid file written ($value).\n";
		3735
		3736	1
		3737
		3738	}
		3739
		3740	sub write_uuid($$) {
		3741	my ($skip, $sync) = @_;
		3742
		3743	$sync ? write_uuid_sync $skip
		3744	: async { write_uuid_sync $skip };
3074	}	3745	}
3075		3746
3076	sub emergency_save() {	3747	sub emergency_save() {
3077	my $freeze_guard = cf::freeze_mainloop;	3748	my $freeze_guard = cf::freeze_mainloop;
3078		3749
3079	warn "enter emergency perl save\n";	3750	info "emergency_perl_save: enter\n";
3080		3751
3081	cf::sync_job {	3752	cf::sync_job {
		3753	# this is a trade-off: we want to be very quick here, so
		3754	# save all maps without fsync, and later call a global sync
		3755	# (which in turn might be very very slow)
		3756	local $USE_FSYNC = 0;
		3757
3082	# use a peculiar iteration method to avoid tripping on perl	3758	# use a peculiar iteration method to avoid tripping on perl
3083	# refcount bugs in for. also avoids problems with players	3759	# refcount bugs in for. also avoids problems with players
3084	# and maps saved/destroyed asynchronously.	3760	# and maps saved/destroyed asynchronously.
3085	warn "begin emergency player save\n";	3761	info "emergency_perl_save: begin player save\n";
3086	for my $login (keys %cf::PLAYER) {	3762	for my $login (keys %cf::PLAYER) {
3087	my $pl = $cf::PLAYER{$login} or next;	3763	my $pl = $cf::PLAYER{$login} or next;
3088	$pl->valid or next;	3764	$pl->valid or next;
		3765	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3089	$pl->save;	3766	$pl->save;
3090	}	3767	}
3091	warn "end emergency player save\n";	3768	info "emergency_perl_save: end player save\n";
3092		3769
3093	warn "begin emergency map save\n";	3770	info "emergency_perl_save: begin map save\n";
3094	for my $path (keys %cf::MAP) {	3771	for my $path (keys %cf::MAP) {
3095	my $map = $cf::MAP{$path} or next;	3772	my $map = $cf::MAP{$path} or next;
3096	$map->valid or next;	3773	$map->valid or next;
3097	$map->save;	3774	$map->save;
3098	}	3775	}
3099	warn "end emergency map save\n";	3776	info "emergency_perl_save: end map save\n";
3100		3777
3101	warn "begin emergency database checkpoint\n";	3778	info "emergency_perl_save: begin database checkpoint\n";
3102	BDB::db_env_txn_checkpoint $DB_ENV;	3779	BDB::db_env_txn_checkpoint $DB_ENV;
3103	warn "end emergency database checkpoint\n";	3780	info "emergency_perl_save: end database checkpoint\n";
		3781
		3782	info "emergency_perl_save: begin write uuid\n";
		3783	write_uuid_sync 1;
		3784	info "emergency_perl_save: end write uuid\n";
3104	};	3785	};
3105		3786
3106	warn "leave emergency perl save\n";	3787	info "emergency_perl_save: starting sync()\n";
		3788	IO::AIO::aio_sync sub {
		3789	info "emergency_perl_save: finished sync()\n";
		3790	};
		3791
		3792	info "emergency_perl_save: leave\n";
3107	}	3793	}
3108		3794
3109	sub post_cleanup {	3795	sub post_cleanup {
3110	my ($make_core) = @_;	3796	my ($make_core) = @_;
3111		3797
3112	warn Carp::longmess "post_cleanup backtrace"	3798	error Carp::longmess "post_cleanup backtrace"
3113	if $make_core;	3799	if $make_core;
		3800
		3801	my $fh = pidfile;
		3802	unlink $PIDFILE if <$fh> == $$;
		3803	}
		3804
		3805	# a safer delete_package, copied from Symbol
		3806	sub clear_package($) {
		3807	my $pkg = shift;
		3808
		3809	# expand to full symbol table name if needed
		3810	unless ($pkg =~ /^main::.*::$/) {
		3811	$pkg = "main$pkg" if $pkg =~ /^::/;
		3812	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3813	$pkg .= '::' unless $pkg =~ /::$/;
		3814	}
		3815
		3816	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3817	my $stem_symtab = *{$stem}{HASH};
		3818
		3819	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3820	or return;
		3821
		3822	# clear all symbols
		3823	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3824	for my $name (keys %$leaf_symtab) {
		3825	_gv_clear *{"$pkg$name"};
		3826	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3827	}
3114	}	3828	}
3115		3829
3116	sub do_reload_perl() {	3830	sub do_reload_perl() {
3117	# can/must only be called in main	3831	# can/must only be called in main
3118	if ($Coro::current != $Coro::main) {	3832	if (in_main) {
3119	warn "can only reload from main coroutine";	3833	error "can only reload from main coroutine";
3120	return;	3834	return;
3121	}	3835	}
3122		3836
		3837	return if $RELOAD++;
		3838
		3839	my $t1 = AE::time;
		3840
		3841	while ($RELOAD) {
3123	warn "reloading...";	3842	info "reloading...";
3124		3843
3125	warn "entering sync_job";	3844	trace "entering sync_job";
3126		3845
3127	cf::sync_job {	3846	cf::sync_job {
3128	cf::write_runtime; # external watchdog should not bark	3847	cf::write_runtime_sync; # external watchdog should not bark
3129	cf::emergency_save;	3848	cf::emergency_save;
3130	cf::write_runtime; # external watchdog should not bark	3849	cf::write_runtime_sync; # external watchdog should not bark
3131		3850
3132	warn "syncing database to disk";	3851	trace "syncing database to disk";
3133	BDB::db_env_txn_checkpoint $DB_ENV;	3852	BDB::db_env_txn_checkpoint $DB_ENV;
3134		3853
3135	# if anything goes wrong in here, we should simply crash as we already saved	3854	# if anything goes wrong in here, we should simply crash as we already saved
3136		3855
3137	warn "cancelling all WF_AUTOCANCEL watchers";
3138	for (Event::all_watchers) {
3139	$_->cancel if $_->data & WF_AUTOCANCEL;
3140	}
3141
3142	warn "flushing outstanding aio requests";	3856	trace "flushing outstanding aio requests";
3143	for (;;) {
3144	BDB::flush;
3145	IO::AIO::flush;
3146	Coro::cede;
3147	last unless IO::AIO::nreqs || BDB::nreqs;	3857	while (IO::AIO::nreqs || BDB::nreqs) {
3148	warn "iterate...";	3858	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3149	}
3150
3151	++$RELOAD;
3152
3153	warn "cancelling all extension coros";
3154	$_->cancel for values %EXT_CORO;
3155	%EXT_CORO = ();
3156
3157	warn "removing commands";
3158	%COMMAND = ();
3159
3160	warn "removing ext/exti commands";
3161	%EXTCMD = ();
3162	%EXTICMD = ();
3163
3164	warn "unloading/nuking all extensions";
3165	for my $pkg (@EXTS) {
3166	warn "... unloading $pkg";
3167
3168	if (my $cb = $pkg->can ("unload")) {
3169	eval {
3170	$cb->($pkg);
3171	1
3172	} or warn "$pkg unloaded, but with errors: $@";
3173	}	3859	}
3174		3860
3175	warn "... nuking $pkg";	3861	trace "cancelling all extension coros";
3176	Symbol::delete_package $pkg;	3862	$_->cancel for values %EXT_CORO;
3177	}	3863	%EXT_CORO = ();
3178		3864
3179	warn "unloading all perl modules loaded from $LIBDIR";	3865	trace "removing commands";
3180	while (my ($k, $v) = each %INC) {	3866	%COMMAND = ();
3181	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3182		3867
		3868	trace "removing ext/exti commands";
		3869	%EXTCMD = ();
		3870	%EXTICMD = ();
		3871
		3872	trace "unloading/nuking all extensions";
		3873	for my $pkg (@EXTS) {
3183	warn "... unloading $k";	3874	trace "... unloading $pkg";
3184	delete $INC{$k};
3185		3875
3186	$k =~ s/\.pm$//;
3187	$k =~ s/\//::/g;
3188
3189	if (my $cb = $k->can ("unload_module")) {	3876	if (my $cb = $pkg->can ("unload")) {
		3877	eval {
3190	$cb->();	3878	$cb->($pkg);
		3879	1
		3880	} or error "$pkg unloaded, but with errors: $@";
		3881	}
		3882
		3883	trace "... clearing $pkg";
		3884	clear_package $pkg;
3191	}	3885	}
3192		3886
3193	Symbol::delete_package $k;	3887	trace "unloading all perl modules loaded from $LIBDIR";
		3888	while (my ($k, $v) = each %INC) {
		3889	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3890
		3891	trace "... unloading $k";
		3892	delete $INC{$k};
		3893
		3894	$k =~ s/\.pm$//;
		3895	$k =~ s/\//::/g;
		3896
		3897	if (my $cb = $k->can ("unload_module")) {
		3898	$cb->();
		3899	}
		3900
		3901	clear_package $k;
3194	}	3902	}
3195		3903
3196	warn "getting rid of safe::, as good as possible";	3904	trace "getting rid of safe::, as good as possible";
3197	Symbol::delete_package "safe::$_"	3905	clear_package "safe::$_"
3198	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3906	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3199		3907
3200	warn "unloading cf.pm \"a bit\"";	3908	trace "unloading cf.pm \"a bit\"";
3201	delete $INC{"cf.pm"};	3909	delete $INC{"cf.pm"};
3202	delete $INC{"cf/pod.pm"};	3910	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3203		3911
3204	# don't, removes xs symbols, too,	3912	# don't, removes xs symbols, too,
3205	# and global variables created in xs	3913	# and global variables created in xs
3206	#Symbol::delete_package __PACKAGE__;	3914	#clear_package __PACKAGE__;
3207		3915
3208	warn "unload completed, starting to reload now";	3916	info "unload completed, starting to reload now";
3209		3917
3210	warn "reloading cf.pm";	3918	trace "reloading cf.pm";
3211	require cf;	3919	require cf;
3212	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3920	cf::_connect_to_perl_1;
3213		3921
3214	warn "loading config and database again";	3922	trace "loading config and database again";
3215	cf::cfg_load;	3923	cf::reload_config;
3216		3924
3217	warn "loading extensions";	3925	trace "loading extensions";
3218	cf::load_extensions;	3926	cf::load_extensions;
3219		3927
		3928	if ($REATTACH_ON_RELOAD) {
3220	warn "reattaching attachments to objects/players";	3929	trace "reattaching attachments to objects/players";
3221	_global_reattach; # objects, sockets	3930	_global_reattach; # objects, sockets
3222	warn "reattaching attachments to maps";	3931	trace "reattaching attachments to maps";
3223	reattach $_ for values %MAP;	3932	reattach $_ for values %MAP;
3224	warn "reattaching attachments to players";	3933	trace "reattaching attachments to players";
3225	reattach $_ for values %PLAYER;	3934	reattach $_ for values %PLAYER;
		3935	}
3226		3936
		3937	trace "running post_init jobs";
		3938	(pop @POST_INIT)->(1) while @POST_INIT;
		3939
3227	warn "leaving sync_job";	3940	trace "leaving sync_job";
3228		3941
3229	1	3942	1
3230	} or do {	3943	} or do {
3231	warn $@;	3944	error $@;
3232	warn "error while reloading, exiting.";	3945	cf::cleanup "error while reloading, exiting.";
3233	exit 1;	3946	};
		3947
		3948	info "reloaded";
		3949	--$RELOAD;
3234	};	3950	}
3235		3951
3236	warn "reloaded";	3952	$t1 = AE::time - $t1;
		3953	info "reload completed in ${t1}s\n";
3237	};	3954	};
3238		3955
3239	our $RELOAD_WATCHER; # used only during reload	3956	our $RELOAD_WATCHER; # used only during reload
3240		3957
3241	sub reload_perl() {	3958	sub reload_perl() {
3242	# doing reload synchronously and two reloads happen back-to-back,	3959	# doing reload synchronously and two reloads happen back-to-back,
3243	# coro crashes during coro_state_free->destroy here.	3960	# coro crashes during coro_state_free->destroy here.
3244		3961
3245	$RELOAD_WATCHER ||= Event->timer (	3962	$RELOAD_WATCHER ||= cf::async {
3246	reentrant => 0,	3963	Coro::AIO::aio_wait cache_extensions;
3247	after => 0,	3964
3248	data => WF_AUTOCANCEL,	3965	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3249	cb => sub {
3250	do_reload_perl;	3966	do_reload_perl;
3251	undef $RELOAD_WATCHER;	3967	undef $RELOAD_WATCHER;
3252	},	3968	};
3253	);	3969	};
3254	}	3970	}
3255		3971
3256	register_command "reload" => sub {	3972	register_command "reload" => sub {
3257	my ($who, $arg) = @_;	3973	my ($who, $arg) = @_;
3258		3974
3259	if ($who->flag (FLAG_WIZ)) {	3975	if ($who->flag (FLAG_WIZ)) {
3260	$who->message ("reloading server.");	3976	$who->message ("reloading server.");
		3977	async {
		3978	$Coro::current->{desc} = "perl_reload";
3261	async { reload_perl };	3979	reload_perl;
		3980	};
3262	}	3981	}
3263	};	3982	};
3264		3983
3265	unshift @INC, $LIBDIR;	3984	unshift @INC, $LIBDIR;
3266		3985
…		…
3268		3987
3269	our @WAIT_FOR_TICK;	3988	our @WAIT_FOR_TICK;
3270	our @WAIT_FOR_TICK_BEGIN;	3989	our @WAIT_FOR_TICK_BEGIN;
3271		3990
3272	sub wait_for_tick {	3991	sub wait_for_tick {
3273	return unless $TICK_WATCHER->is_active;
3274	return if $Coro::current == $Coro::main;	3992	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3275		3993
3276	my $signal = new Coro::Signal;	3994	my $signal = new Coro::Signal;
3277	push @WAIT_FOR_TICK, $signal;	3995	push @WAIT_FOR_TICK, $signal;
3278	$signal->wait;	3996	$signal->wait;
3279	}	3997	}
3280		3998
3281	sub wait_for_tick_begin {	3999	sub wait_for_tick_begin {
3282	return unless $TICK_WATCHER->is_active;
3283	return if $Coro::current == $Coro::main;	4000	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3284		4001
3285	my $signal = new Coro::Signal;	4002	my $signal = new Coro::Signal;
3286	push @WAIT_FOR_TICK_BEGIN, $signal;	4003	push @WAIT_FOR_TICK_BEGIN, $signal;
3287	$signal->wait;	4004	$signal->wait;
3288	}	4005	}
3289		4006
3290	my $min = 1e6;#d#	4007	sub tick {
3291	my $avg = 10;
3292	$TICK_WATCHER = Event->timer (
3293	reentrant => 0,
3294	parked => 1,
3295	prio => 0,
3296	at => $NEXT_TICK || $TICK,
3297	data => WF_AUTOCANCEL,
3298	cb => sub {
3299	if ($Coro::current != $Coro::main) {	4008	if ($Coro::current != $Coro::main) {
3300	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4009	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3301	unless ++$bug_warning > 10;	4010	unless ++$bug_warning > 10;
3302	return;	4011	return;
3303	}	4012	}
3304		4013
3305	$NOW = $tick_start = Event::time;
3306
3307	cf::server_tick; # one server iteration	4014	cf::server_tick; # one server iteration
3308		4015
3309	0 && sync_job {#d#	4016	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3310	for(1..10) {
3311	my $t = Event::time;
3312	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3313	or die;
3314		4017
3315	$map->width (50);	4018	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3316	$map->height (50);	4019	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3317	$map->alloc;	4020	Coro::async_pool {
3318	$map->_load_objects ("/tmp/x.map", 1);	4021	$Coro::current->{desc} = "runtime saver";
3319	my $t = Event::time - $t;	4022	write_runtime_sync
3320		4023	or error "ERROR: unable to write runtime file: $!";
3321	#next unless $t < 0.0013;#d#
3322	if ($t < $min) {
3323	$min = $t;
3324	}
3325	$avg = $avg * 0.99 + $t * 0.01;
3326	}
3327	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3328	exit 0;
3329	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3330	};	4024	};
		4025	}
3331		4026
3332	$RUNTIME += $TICK;
3333	$NEXT_TICK += $TICK;
3334
3335	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3336	$NEXT_RUNTIME_WRITE = $NOW + 10;
3337	Coro::async_pool {
3338	write_runtime
3339	or warn "ERROR: unable to write runtime file: $!";
3340	};
3341	}
3342
3343	# my $AFTER = Event::time;
3344	# warn $AFTER - $NOW;#d#
3345
3346	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4027	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3347	$sig->send;	4028	$sig->send;
3348	}	4029	}
3349	while (my $sig = shift @WAIT_FOR_TICK) {	4030	while (my $sig = shift @WAIT_FOR_TICK) {
3350	$sig->send;	4031	$sig->send;
3351	}	4032	}
3352		4033
3353	$NOW = Event::time;	4034	$LOAD = ($NOW - $TICK_START) / $TICK;
3354
3355	# if we are delayed by four ticks or more, skip them all
3356	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3357
3358	$TICK_WATCHER->at ($NEXT_TICK);
3359	$TICK_WATCHER->start;
3360
3361	$LOAD = ($NOW - $tick_start) / $TICK;
3362	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4035	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3363		4036
3364	_post_tick;	4037	if (0) {
3365		4038	if ($NEXT_TICK) {
3366		4039	my $jitter = $TICK_START - $NEXT_TICK;
		4040	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4041	debug "jitter $JITTER\n";#d#
		4042	}
3367	},	4043	}
3368	);	4044	}
3369		4045
3370	{	4046	{
3371	BDB::max_poll_time $TICK * 0.1;	4047	# configure BDB
3372	$BDB_POLL_WATCHER = Event->io (	4048
3373	reentrant => 0,
3374	fd => BDB::poll_fileno,
3375	poll => 'r',
3376	prio => 0,
3377	data => WF_AUTOCANCEL,
3378	cb => \&BDB::poll_cb,
3379	);
3380	BDB::min_parallel 8;	4049	BDB::min_parallel 16;
3381		4050	BDB::max_poll_reqs $TICK * 0.1;
3382	BDB::set_sync_prepare {	4051	$AnyEvent::BDB::WATCHER->priority (1);
3383	my $status;
3384	my $current = $Coro::current;
3385	(
3386	sub {
3387	$status = $!;
3388	$current->ready; undef $current;
3389	},
3390	sub {
3391	Coro::schedule while defined $current;
3392	$! = $status;
3393	},
3394	)
3395	};
3396		4052
3397	unless ($DB_ENV) {	4053	unless ($DB_ENV) {
3398	$DB_ENV = BDB::db_env_create;	4054	$DB_ENV = BDB::db_env_create;
		4055	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4056	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4057	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4058	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4059	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3399		4060
3400	cf::sync_job {	4061	cf::sync_job {
3401	eval {	4062	eval {
3402	BDB::db_env_open	4063	BDB::db_env_open
3403	$DB_ENV,	4064	$DB_ENV,
…		…
3405	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4066	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3406	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4067	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3407	0666;	4068	0666;
3408		4069
3409	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4070	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3410
3411	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3412	$DB_ENV->set_lk_detect;
3413	};	4071	};
3414		4072
3415	cf::cleanup "db_env_open(db): $@" if $@;	4073	cf::cleanup "db_env_open(db): $@" if $@;
3416	};	4074	};
3417	}	4075	}
		4076
		4077	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4078	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4079	};
		4080	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4081	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4082	};
		4083	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4084	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4085	};
3418	}	4086	}
3419		4087
3420	{	4088	{
		4089	# configure IO::AIO
		4090
3421	IO::AIO::min_parallel 8;	4091	IO::AIO::min_parallel 8;
3422
3423	undef $Coro::AIO::WATCHER;
3424	IO::AIO::max_poll_time $TICK * 0.1;	4092	IO::AIO::max_poll_time $TICK * 0.1;
3425	$AIO_POLL_WATCHER = Event->io (	4093	undef $AnyEvent::AIO::WATCHER;
3426	reentrant => 0,
3427	data => WF_AUTOCANCEL,
3428	fd => IO::AIO::poll_fileno,
3429	poll => 'r',
3430	prio => 6,
3431	cb => \&IO::AIO::poll_cb,
3432	);
3433	}	4094	}
3434		4095
3435	my $_log_backtrace;	4096	my $_log_backtrace;
3436		4097
3437	sub _log_backtrace {	4098	sub _log_backtrace {
…		…
3440	$msg =~ s/\n//;	4101	$msg =~ s/\n//;
3441		4102
3442	# limit the # of concurrent backtraces	4103	# limit the # of concurrent backtraces
3443	if ($_log_backtrace < 2) {	4104	if ($_log_backtrace < 2) {
3444	++$_log_backtrace;	4105	++$_log_backtrace;
		4106	my $perl_bt = Carp::longmess $msg;
3445	async {	4107	async {
		4108	$Coro::current->{desc} = "abt $msg";
		4109
3446	my @bt = fork_call {	4110	my @bt = fork_call {
3447	@addr = map { sprintf "%x", $_ } @addr;	4111	@addr = map { sprintf "%x", $_ } @addr;
3448	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4112	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3449	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4113	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3450	or die "addr2line: $!";	4114	or die "addr2line: $!";
…		…
3458	}	4122	}
3459		4123
3460	@funcs	4124	@funcs
3461	};	4125	};
3462		4126
3463	LOG llevInfo, "[ABT] $msg\n";	4127	LOG llevInfo, "[ABT] $perl_bt\n";
		4128	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3464	LOG llevInfo, "[ABT] $_\n" for @bt;	4129	LOG llevInfo, "[ABT] $_\n" for @bt;
3465	--$_log_backtrace;	4130	--$_log_backtrace;
3466	};	4131	};
3467	} else {	4132	} else {
3468	LOG llevInfo, "[ABT] $msg\n";	4133	LOG llevInfo, "[ABT] $msg\n";
3469	LOG llevInfo, "[ABT] [suppressed]\n";	4134	LOG llevInfo, "[ABT] [suppressed]\n";
3470	}	4135	}
3471	}	4136	}
3472		4137
3473	# load additional modules	4138	# load additional modules
3474	use cf::pod;	4139	require "cf/$_.pm" for @EXTRA_MODULES;
		4140	cf::_connect_to_perl_2;
3475		4141
3476	END { cf::emergency_save }	4142	END { cf::emergency_save }
3477		4143
3478	1	4144	1
3479		4145

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