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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.314 by root, Mon Jul 23 16:53:15 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;
322	};
323	$TICK_WATCHER->stop;
324	$guard
325	}	412	}
326		413
		414	=item cf::periodic $interval, $cb
		415
		416	Like EV::periodic, but randomly selects a starting point so that the actions
		417	get spread over time.
		418
		419	=cut
		420
		421	sub periodic($$) {
		422	my ($interval, $cb) = @_;
		423
		424	my $start = rand List::Util::min 180, $interval;
		425
		426	EV::periodic $start, $interval, 0, $cb
		427	}
		428
327	=item cf::get_slot $time[, $priority]	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>:
330	This call blocks and returns only when you have at least C<$time> seconds	432	This call blocks and returns only when you have at least C<$time> seconds
331	of cpu time till the next tick. The slot is only valid till the next cede.	433	of cpu time till the next tick. The slot is only valid till the next cede.
332		434
		435	The optional C<$name> can be used to identify the job to run. It might be
		436	used for statistical purposes and should identify the same time-class.
		437
333	Useful for short background jobs.	438	Useful for short background jobs.
334		439
335	=cut	440	=cut
336		441
337	our @SLOT_QUEUE;	442	our @SLOT_QUEUE;
338	our $SLOT_QUEUE;	443	our $SLOT_QUEUE;
		444	our $SLOT_DECAY = 0.9;
339		445
340	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	446	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
341	$SLOT_QUEUE = Coro::async {	447	$SLOT_QUEUE = Coro::async {
		448	$Coro::current->desc ("timeslot manager");
		449
342	my $signal = new Coro::Signal;	450	my $signal = new Coro::Signal;
		451	my $busy;
343		452
344	while () {	453	while () {
345	next_job:	454	next_job:
		455
346	my $avail = cf::till_tick;	456	my $avail = cf::till_tick;
347	if ($avail > 0.01) {	457
348	for (0 .. $#SLOT_QUEUE) {	458	for (0 .. $#SLOT_QUEUE) {
349	if ($SLOT_QUEUE[$_][0] < $avail) {	459	if ($SLOT_QUEUE[$_][0] <= $avail) {
		460	$busy = 0;
350	my $job = splice @SLOT_QUEUE, $_, 1, ();	461	my $job = splice @SLOT_QUEUE, $_, 1, ();
351	$job->[2]->send;	462	$job->[2]->send;
352	Coro::cede;	463	Coro::cede;
353	goto next_job;	464	goto next_job;
354	}	465	} else {
		466	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
355	}	467	}
356	}	468	}
357		469
358	if (@SLOT_QUEUE) {	470	if (@SLOT_QUEUE) {
359	# 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
360	push @cf::WAIT_FOR_TICK, $signal;	472	push @cf::WAIT_FOR_TICK, $signal;
361	$signal->wait;	473	$signal->wait;
362	} else {	474	} else {
		475	$busy = 0;
363	Coro::schedule;	476	Coro::schedule;
364	}	477	}
365	}	478	}
366	};	479	};
367		480
368	sub get_slot($;$) {	481	sub get_slot($;$$) {
		482	return if tick_inhibit || $Coro::current == $Coro::main;
		483
369	my ($time, $pri) = @_;	484	my ($time, $pri, $name) = @_;
370		485
		486	$time = clamp $time, 0.01, $TICK * .6;
		487
		488	my $sig = new Coro::Signal;
		489
371	push @SLOT_QUEUE, [$time, $pri, my $sig = new Coro::Signal];	490	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
372	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	491	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
373	$SLOT_QUEUE->ready;	492	$SLOT_QUEUE->ready;
374	$sig->wait;	493	$sig->wait;
375	}	494	}
376		495
…		…
384		503
385	BEGIN { *async = \&Coro::async_pool }	504	BEGIN { *async = \&Coro::async_pool }
386		505
387	=item cf::sync_job { BLOCK }	506	=item cf::sync_job { BLOCK }
388		507
389	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	508	The design of Deliantra requires that the main coroutine ($Coro::main)
390	is always able to handle events or runnable, as Crossfire TRT is only	509	is always able to handle events or runnable, as Deliantra is only
391	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	510	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
392	acceptable.	511	acceptable.
393		512
394	If it must be done, put the blocking parts into C<sync_job>. This will run	513	If it must be done, put the blocking parts into C<sync_job>. This will run
395	the given BLOCK in another coroutine while waiting for the result. The	514	the given BLOCK in another coroutine while waiting for the result. The
…		…
400		519
401	sub sync_job(&) {	520	sub sync_job(&) {
402	my ($job) = @_;	521	my ($job) = @_;
403		522
404	if ($Coro::current == $Coro::main) {	523	if ($Coro::current == $Coro::main) {
405	my $time = Event::time;	524	my $time = AE::time;
406		525
407	# this is the main coro, too bad, we have to block	526	# this is the main coro, too bad, we have to block
408	# till the operation succeeds, freezing the server :/	527	# till the operation succeeds, freezing the server :/
409		528
410	# TODO: use suspend/resume instead	529	LOG llevError, Carp::longmess "sync job";#d#
411	# (but this is cancel-safe)	530
412	my $freeze_guard = freeze_mainloop;	531	my $freeze_guard = freeze_mainloop;
413		532
414	my $busy = 1;	533	my $busy = 1;
415	my @res;	534	my @res;
416		535
417	(async {	536	(async {
		537	$Coro::current->desc ("sync job coro");
418	@res = eval { $job->() };	538	@res = eval { $job->() };
419	warn $@ if $@;	539	error $@ if $@;
420	undef $busy;	540	undef $busy;
421	})->prio (Coro::PRIO_MAX);	541	})->prio (Coro::PRIO_MAX);
422		542
423	while ($busy) {	543	while ($busy) {
424	Coro::cede or Event::one_event;	544	if (Coro::nready) {
		545	Coro::cede_notself;
		546	} else {
		547	EV::loop EV::LOOP_ONESHOT;
425	}	548	}
		549	}
426		550
427	$time = Event::time - $time;	551	my $time = AE::time - $time;
428		552
429	LOG llevError | logBacktrace, Carp::longmess "long sync job"
430	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
431
432	$tick_start += $time; # do not account sync jobs to server load	553	$TICK_START += $time; # do not account sync jobs to server load
433		554
434	wantarray ? @res : $res[0]	555	wantarray ? @res : $res[0]
435	} else {	556	} else {
436	# we are in another coroutine, how wonderful, everything just works	557	# we are in another coroutine, how wonderful, everything just works
437		558
…		…
462	=item fork_call { }, $args	583	=item fork_call { }, $args
463		584
464	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
465	process, returning the results. Everything must be serialisable with	586	process, returning the results. Everything must be serialisable with
466	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
467	never block itself or use any form of Event handling.	588	never block itself or use any form of event handling.
468		589
469	=cut	590	=cut
470
471	sub _store_scalar {
472	open my $fh, ">", \my $buf
473	or die "fork_call: cannot open fh-to-buf in child : $!";
474	Storable::store_fd $_[0], $fh;
475	close $fh;
476
477	$buf
478	}
479		591
480	sub fork_call(&@) {	592	sub fork_call(&@) {
481	my ($cb, @args) = @_;	593	my ($cb, @args) = @_;
482		594
483	# 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,
484	# or die "socketpair: $!";	596	# otherwise perl prematurely frees the stuff :/
485	pipe my $fh1, my $fh2	597	# TODO: investigate and fix (likely this will be rather laborious)
486	or die "pipe: $!";
487		598
488	if (my $pid = fork) {	599	my @res = Coro::Util::fork_eval {
489	close $fh2;
490
491	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
492	warn "pst<$res>" unless $res =~ /^pst/;
493	$res = Coro::Storable::thaw $res;
494
495	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
496
497	Carp::confess $$res unless "ARRAY" eq ref $res;
498
499	return wantarray ? @$res : $res->[-1];
500	} else {
501	reset_signals;	600	reset_signals;
502	local $SIG{__WARN__};	601	&$cb
503	local $SIG{__DIE__};	602	}, @args;
504	# just in case, this hack effectively disables event
505	# in the child. cleaner and slower would be canceling all watchers,
506	# but this works for the time being.
507	local $Coro::idle;
508	$Coro::current->prio (Coro::PRIO_MAX);
509		603
510	eval {	604	wantarray ? @res : $res[-1]
511	close $fh1;	605	}
512		606
513	my @res = eval { $cb->(@args) };	607	sub objinfo {
514
515	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
516	close $fh2;
517	};
518
519	warn $@ if $@;
520	_exit 0;
521	}	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
522	}	643	}
523		644
524	=item $value = cf::db_get $family => $key	645	=item $value = cf::db_get $family => $key
525		646
526	Returns a single value from the environment database.	647	Returns a single value from the environment database.
…		…
528	=item cf::db_put $family => $key => $value	649	=item cf::db_put $family => $key => $value
529		650
530	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
531	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).
532		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
533	=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	}
534		677
535	our $DB;	678	our $DB;
536		679
537	sub db_init {	680	sub db_init {
538	unless ($DB) {
539	$DB = BDB::db_create $DB_ENV;
540
541	cf::sync_job {	681	cf::sync_job {
542	eval {	682	$DB ||= db_table "db";
543	$DB->set_flags (BDB::CHKSUM);
544
545	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
546	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
547	cf::cleanup "db_open(db): $!" if $!;
548	};
549	cf::cleanup "db_open(db): $@" if $@;
550	};
551	}	683	};
552	}	684	}
553		685
554	sub db_get($$) {	686	sub db_get($$) {
555	my $key = "$_[0]/$_[1]";	687	my $key = "$_[0]/$_[1]";
556		688
…		…
606	if (1) {	738	if (1) {
607	$md5 =	739	$md5 =
608	join "\x00",	740	join "\x00",
609	$processversion,	741	$processversion,
610	map {	742	map {
611	Coro::cede;	743	cf::cede_to_tick;
612	($src->[$_], Digest::MD5::md5_hex $data[$_])	744	($src->[$_], Digest::MD5::md5_hex $data[$_])
613	} 0.. $#$src;	745	} 0.. $#$src;
614		746
615		747
616	my $dbmd5 = db_get cache => "$id/md5";	748	my $dbmd5 = db_get cache => "$id/md5";
…		…
623		755
624	my $t1 = Time::HiRes::time;	756	my $t1 = Time::HiRes::time;
625	my $data = $process->(\@data);	757	my $data = $process->(\@data);
626	my $t2 = Time::HiRes::time;	758	my $t2 = Time::HiRes::time;
627		759
628	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	760	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
629		761
630	db_put cache => "$id/data", $data;	762	db_put cache => "$id/data", $data;
631	db_put cache => "$id/md5" , $md5;	763	db_put cache => "$id/md5" , $md5;
632	db_put cache => "$id/meta", $meta;	764	db_put cache => "$id/meta", $meta;
633		765
…		…
643		775
644	=cut	776	=cut
645		777
646	sub datalog($@) {	778	sub datalog($@) {
647	my ($type, %kv) = @_;	779	my ($type, %kv) = @_;
648	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	780	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
649	}	781	}
650		782
651	=back	783	=back
652		784
653	=cut	785	=cut
654		786
655	#############################################################################	787	#############################################################################
656		788
657	=head2 ATTACHABLE OBJECTS	789	=head2 ATTACHABLE OBJECTS
658		790
659	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
660	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")
661	to it. All such attachable objects support the following methods.	793	to it. All such attachable objects support the following methods.
662		794
663	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>
664	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
665	Crossfire TRT).	797	Deliantra).
666		798
667	=over 4	799	=over 4
668		800
669	=item $attachable->attach ($attachment, key => $value...)	801	=item $attachable->attach ($attachment, key => $value...)
670		802
…		…
714	=item cf::CLASS::attachment $name, ...	846	=item cf::CLASS::attachment $name, ...
715		847
716	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
717	given CLASS can refer to this attachment.	849	given CLASS can refer to this attachment.
718		850
719	Some classes such as crossfire maps and objects can specify attachments	851	Some classes such as deliantra maps and objects can specify attachments
720	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.
721		853
722	These calls expect any number of the following handler/hook descriptions:	854	These calls expect any number of the following handler/hook descriptions:
723		855
724	=over 4	856	=over 4
…		…
848		980
849	} elsif (exists $cb_id{$type}) {	981	} elsif (exists $cb_id{$type}) {
850	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	982	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
851		983
852	} elsif (ref $type) {	984	} elsif (ref $type) {
853	warn "attaching objects not supported, ignoring.\n";	985	error "attaching objects not supported, ignoring.\n";
854		986
855	} else {	987	} else {
856	shift @arg;	988	shift @arg;
857	warn "attach argument '$type' not supported, ignoring.\n";	989	error "attach argument '$type' not supported, ignoring.\n";
858	}	990	}
859	}	991	}
860	}	992	}
861		993
862	sub _object_attach {	994	sub _object_attach {
…		…
872	_attach $registry, $klass, @attach;	1004	_attach $registry, $klass, @attach;
873	}	1005	}
874		1006
875	$obj->{$name} = \%arg;	1007	$obj->{$name} = \%arg;
876	} else {	1008	} else {
877	warn "object uses attachment '$name' which is not available, postponing.\n";	1009	info "object uses attachment '$name' which is not available, postponing.\n";
878	}	1010	}
879		1011
880	$obj->{_attachment}{$name} = undef;	1012	$obj->{_attachment}{$name} = undef;
881	}	1013	}
882		1014
…		…
941		1073
942	for (@$callbacks) {	1074	for (@$callbacks) {
943	eval { &{$_->[1]} };	1075	eval { &{$_->[1]} };
944		1076
945	if ($@) {	1077	if ($@) {
946	warn "$@";
947	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1078	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
948	override;	1079	override;
949	}	1080	}
950		1081
951	return 1 if $override;	1082	return 1 if $override;
952	}	1083	}
953		1084
954	0	1085	0
955	}	1086	}
956		1087
957	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1088	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
958		1089
959	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
960		1091
961	Generate an object-specific event with the given arguments.	1092	Generate an object-specific event with the given arguments.
962		1093
…		…
968		1099
969	=cut	1100	=cut
970		1101
971	#############################################################################	1102	#############################################################################
972	# object support	1103	# object support
973	#
974		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#
975	sub _can_merge {	1138	sub _can_merge {
976	my ($ob1, $ob2) = @_;	1139	my ($ob1, $ob2) = @_;
977		1140
978	local $Storable::canonical = 1;	1141	++$SLOW_MERGES;#d#
979	my $fob1 = Storable::freeze $ob1;
980	my $fob2 = Storable::freeze $ob2;
981		1142
982	$fob1 eq $fob2	1143	# we do the slow way here
		1144	return _object_equal $ob1, $ob2
983	}	1145	}
984		1146
985	sub reattach {	1147	sub reattach {
986	# basically do the same as instantiate, without calling instantiate	1148	# basically do the same as instantiate, without calling instantiate
987	my ($obj) = @_;	1149	my ($obj) = @_;
988		1150
		1151	# no longer needed after getting rid of delete_package?
989	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
990		1153
991	my $registry = $obj->registry;	1154	my $registry = $obj->registry;
992		1155
993	@$registry = ();	1156	@$registry = ();
994		1157
…		…
999	for (@$attach) {	1162	for (@$attach) {
1000	my ($klass, @attach) = @$_;	1163	my ($klass, @attach) = @$_;
1001	_attach $registry, $klass, @attach;	1164	_attach $registry, $klass, @attach;
1002	}	1165	}
1003	} else {	1166	} else {
1004	warn "object uses attachment '$name' that is not available, postponing.\n";	1167	info "object uses attachment '$name' that is not available, postponing.\n";
1005	}	1168	}
1006	}	1169	}
1007	}	1170	}
1008		1171
1009	cf::attachable->attach (	1172	cf::attachable->attach (
1010	prio => -1000000,	1173	prio => -1000000,
1011	on_instantiate => sub {	1174	on_instantiate => sub {
1012	my ($obj, $data) = @_;	1175	my ($obj, $data) = @_;
1013		1176
1014	$data = from_json $data;	1177	$data = decode_json $data;
1015		1178
1016	for (@$data) {	1179	for (@$data) {
1017	my ($name, $args) = @$_;	1180	my ($name, $args) = @$_;
1018		1181
1019	$obj->attach ($name, %{$args || {} });	1182	$obj->attach ($name, %{$args || {} });
…		…
1035	sub object_freezer_save {	1198	sub object_freezer_save {
1036	my ($filename, $rdata, $objs) = @_;	1199	my ($filename, $rdata, $objs) = @_;
1037		1200
1038	sync_job {	1201	sync_job {
1039	if (length $$rdata) {	1202	if (length $$rdata) {
		1203	utf8::decode (my $decname = $filename);
1040	warn sprintf "saving %s (%d,%d)\n",	1204	trace sprintf "saving %s (%d,%d)\n",
1041	$filename, length $$rdata, scalar @$objs;	1205	$decname, length $$rdata, scalar @$objs
		1206	if $VERBOSE_IO;
1042		1207
1043	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1208	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1044	chmod SAVE_MODE, $fh;	1209	aio_chmod $fh, SAVE_MODE;
1045	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1210	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1046	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	}
1047	close $fh;	1215	aio_close $fh;
1048		1216
1049	if (@$objs) {	1217	if (@$objs) {
1050	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) {
1051	chmod SAVE_MODE, $fh;	1219	aio_chmod $fh, SAVE_MODE;
1052	my $data = Storable::nfreeze { version => 1, objs => $objs };	1220	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1053	aio_write $fh, 0, (length $data), $data, 0;	1221	aio_write $fh, 0, (length $data), $data, 0;
1054	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	}
1055	close $fh;	1226	aio_close $fh;
1056	aio_rename "$filename.pst~", "$filename.pst";	1227	aio_rename "$filename.pst~", "$filename.pst";
1057	}	1228	}
1058	} else {	1229	} else {
1059	aio_unlink "$filename.pst";	1230	aio_unlink "$filename.pst";
1060	}	1231	}
1061		1232
1062	aio_rename "$filename~", $filename;	1233	aio_rename "$filename~", $filename;
		1234
		1235	$filename =~ s%/[^/]+$%%;
		1236	aio_pathsync $filename if $cf::USE_FSYNC;
1063	} else {	1237	} else {
1064	warn "FATAL: $filename~: $!\n";	1238	error "unable to save objects: $filename~: $!\n";
1065	}	1239	}
1066	} else {	1240	} else {
1067	aio_unlink $filename;	1241	aio_unlink $filename;
1068	aio_unlink "$filename.pst";	1242	aio_unlink "$filename.pst";
1069	}	1243	}
1070	}	1244	};
1071	}	1245	}
1072		1246
1073	sub object_freezer_as_string {	1247	sub object_freezer_as_string {
1074	my ($rdata, $objs) = @_;	1248	my ($rdata, $objs) = @_;
1075		1249
…		…
1087	or return;	1261	or return;
1088		1262
1089	unless (aio_stat "$filename.pst") {	1263	unless (aio_stat "$filename.pst") {
1090	(aio_load "$filename.pst", $av) >= 0	1264	(aio_load "$filename.pst", $av) >= 0
1091	or return;	1265	or return;
		1266
1092	$av = eval { (Storable::thaw $av)->{objs} };	1267	my $st = eval { Coro::Storable::thaw $av };
		1268	$av = $st->{objs};
1093	}	1269	}
1094		1270
		1271	utf8::decode (my $decname = $filename);
1095	warn sprintf "loading %s (%d)\n",	1272	trace sprintf "loading %s (%d,%d)\n",
1096	$filename, length $data, scalar @{$av || []};	1273	$decname, length $data, scalar @{$av || []}
		1274	if $VERBOSE_IO;
		1275
1097	return ($data, $av);	1276	($data, $av)
1098	}	1277	}
1099		1278
1100	=head2 COMMAND CALLBACKS	1279	=head2 COMMAND CALLBACKS
1101		1280
1102	=over 4	1281	=over 4
…		…
1156	my ($name, $cb) = @_;	1335	my ($name, $cb) = @_;
1157		1336
1158	$EXTICMD{$name} = $cb;	1337	$EXTICMD{$name} = $cb;
1159	}	1338	}
1160		1339
		1340	use File::Glob ();
		1341
1161	cf::player->attach (	1342	cf::player->attach (
1162	on_command => sub {	1343	on_unknown_command => sub {
1163	my ($pl, $name, $params) = @_;	1344	my ($pl, $name, $params) = @_;
1164		1345
1165	my $cb = $COMMAND{$name}	1346	my $cb = $COMMAND{$name}
1166	or return;	1347	or return;
1167		1348
…		…
1175	my ($pl, $buf) = @_;	1356	my ($pl, $buf) = @_;
1176		1357
1177	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1358	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1178		1359
1179	if (ref $msg) {	1360	if (ref $msg) {
		1361	my ($type, $reply, @payload) =
		1362	"ARRAY" eq ref $msg
		1363	? @$msg
		1364	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1365
		1366	my @reply;
		1367
1180	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1368	if (my $cb = $EXTCMD{$type}) {
1181	if (my %reply = $cb->($pl, $msg)) {	1369	@reply = $cb->($pl, @payload);
1182	$pl->ext_reply ($msg->{msgid}, %reply);
1183	}
1184	}	1370	}
		1371
		1372	$pl->ext_reply ($reply, @reply)
		1373	if $reply;
		1374
1185	} else {	1375	} else {
1186	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1376	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1187	}	1377	}
1188		1378
1189	cf::override;	1379	cf::override;
1190	},	1380	},
1191	);	1381	);
1192		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
1193	sub load_extensions {	1396	sub load_extensions {
		1397	info "loading extensions...";
		1398
1194	cf::sync_job {	1399	cf::sync_job {
1195	my %todo;	1400	my %todo;
1196		1401
1197	for my $path (<$LIBDIR/*.ext>) {	1402	for my $path (<$LIBDIR/*.ext>) {
1198	next unless -r $path;	1403	next unless -r $path;
…		…
1216		1421
1217	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1422	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1218	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1423	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1219		1424
1220	$ext{source} =	1425	$ext{source} =
1221	"package $pkg; use strict; use utf8;\n"	1426	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1222	. "#line 1 \"$path\"\n{\n"	1427	. "#line 1 \"$path\"\n{\n"
1223	. $source	1428	. $source
1224	. "\n};\n1";	1429	. "\n};\n1";
1225		1430
1226	$todo{$base} = \%ext;	1431	$todo{$base} = \%ext;
1227	}	1432	}
1228		1433
		1434	my $pass = 0;
1229	my %done;	1435	my %done;
1230	while (%todo) {	1436	while (%todo) {
1231	my $progress;	1437	my $progress;
1232		1438
		1439	++$pass;
		1440
		1441	ext:
1233	while (my ($k, $v) = each %todo) {	1442	while (my ($k, $v) = each %todo) {
1234	for (split /,\s*/, $v->{meta}{depends}) {	1443	for (split /,\s*/, $v->{meta}{depends}) {
1235	goto skip	1444	next ext
1236	unless exists $done{$_};	1445	unless exists $done{$_};
1237	}	1446	}
1238		1447
1239	warn "... loading '$k' into '$v->{pkg}'\n";	1448	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1240		1449
1241	unless (eval $v->{source}) {	1450	my $active = eval $v->{source};
		1451
		1452	if (length $@) {
1242	my $msg = $@ ? "$v->{path}: $@\n"	1453	error "$v->{path}: $@\n";
1243	: "$v->{base}: extension inactive.\n";
1244		1454
		1455	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1245	if (exists $v->{meta}{mandatory}) {	1456	if exists $v->{meta}{mandatory};
1246	warn $msg;	1457
1247	warn "mandatory extension failed to load, exiting.\n";	1458	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1248	exit 1;	1459	delete $todo{$k};
1249	}	1460	} else {
1250		1461	$done{$k} = delete $todo{$k};
1251	warn $msg;	1462	push @EXTS, $v->{pkg};
		1463	$progress = 1;
		1464
		1465	info "$v->{base}: extension inactive.\n"
		1466	unless $active;
1252	}	1467	}
1253
1254	$done{$k} = delete $todo{$k};
1255	push @EXTS, $v->{pkg};
1256	$progress = 1;
1257	}	1468	}
1258		1469
1259	skip:	1470	unless ($progress) {
1260	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1471	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1261	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	}
1262	}	1478	}
1263	};	1479	};
1264	}	1480	}
1265		1481
1266	#############################################################################	1482	#############################################################################
1267		1483
1268	=back	1484	=back
1269		1485
1270	=head2 CORE EXTENSIONS	1486	=head2 CORE EXTENSIONS
1271		1487
1272	Functions and methods that extend core crossfire objects.	1488	Functions and methods that extend core deliantra objects.
1273		1489
1274	=cut	1490	=cut
1275		1491
1276	package cf::player;	1492	package cf::player;
1277		1493
1278	use Coro::AIO;	1494	use Coro::AIO;
1279		1495
1280	=head3 cf::player	1496	=head3 cf::player
1281		1497
1282	=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	}
1283		1513
1284	=item cf::player::find $login	1514	=item cf::player::find $login
1285		1515
1286	Returns the given player object, loading it if necessary (might block).	1516	Returns the given player object, loading it if necessary (might block).
1287		1517
…		…
1306		1536
1307	sub exists($) {	1537	sub exists($) {
1308	my ($login) = @_;	1538	my ($login) = @_;
1309		1539
1310	$cf::PLAYER{$login}	1540	$cf::PLAYER{$login}
1311	or cf::sync_job { !aio_stat path $login }	1541	or !aio_stat path $login
1312	}	1542	}
1313		1543
1314	sub find($) {	1544	sub find($) {
1315	return $cf::PLAYER{$_[0]} || do {	1545	return $cf::PLAYER{$_[0]} || do {
1316	my $login = $_[0];	1546	my $login = $_[0];
…		…
1323	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1553	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1324	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1554	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1325	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1555	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1326	aio_unlink +(playerdir $login) . "/$login.pl";	1556	aio_unlink +(playerdir $login) . "/$login.pl";
1327		1557
1328	my $pl = load_pl path $login	1558	my $f = new_from_file cf::object::thawer path $login
1329	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;
1330	$cf::PLAYER{$login} = $pl	1566	$cf::PLAYER{$login} = $pl
1331	}	1567	}
1332	}	1568	}
1333	}	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	);
1334		1583
1335	sub save($) {	1584	sub save($) {
1336	my ($pl) = @_;	1585	my ($pl) = @_;
1337		1586
1338	return if $pl->{deny_save};	1587	return if $pl->{deny_save};
…		…
1343	return if $pl->{deny_save};	1592	return if $pl->{deny_save};
1344		1593
1345	aio_mkdir playerdir $pl, 0770;	1594	aio_mkdir playerdir $pl, 0770;
1346	$pl->{last_save} = $cf::RUNTIME;	1595	$pl->{last_save} = $cf::RUNTIME;
1347		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
1348	$pl->save_pl ($path);	1602	$pl->save_pl ($path);
1349	Coro::cede;	1603	cf::cede_to_tick;
1350	}	1604	}
1351		1605
1352	sub new($) {	1606	sub new($) {
1353	my ($login) = @_;	1607	my ($login) = @_;
1354		1608
…		…
1360	$cf::PLAYER{$login} = $self;	1614	$cf::PLAYER{$login} = $self;
1361		1615
1362	$self	1616	$self
1363	}	1617	}
1364		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
1365	=item $pl->quit_character	1629	=item $pl->quit_character
1366		1630
1367	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
1368	be destroyed. May block for a long time.	1632	be destroyed. May block for a long time.
1369		1633
…		…
1373	my ($pl) = @_;	1637	my ($pl) = @_;
1374		1638
1375	my $name = $pl->ob->name;	1639	my $name = $pl->ob->name;
1376		1640
1377	$pl->{deny_save} = 1;	1641	$pl->{deny_save} = 1;
1378	$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
1379		1643
1380	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1644	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1381	$pl->deactivate;	1645	$pl->deactivate;
		1646	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1382	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1647	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1383	$pl->ns->destroy if $pl->ns;	1648	$pl->ns->destroy if $pl->ns;
1384		1649
1385	my $path = playerdir $pl;	1650	my $path = playerdir $pl;
1386	my $temp = "$path~$cf::RUNTIME~deleting~";	1651	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1422	or return [];	1687	or return [];
1423		1688
1424	my @logins;	1689	my @logins;
1425		1690
1426	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") {
1427	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1697	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1428	aio_read $fh, 0, 512, my $buf, 0 or next;	1698	aio_read $fh, 0, 512, my $buf, 0 or next;
1429	$buf !~ /^password -------------$/m or next; # official not-valid tag	1699	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1700	}
1430		1701
1431	utf8::decode $login;	1702	utf8::decode $login;
1432	push @logins, $login;	1703	push @logins, $login;
1433	}	1704	}
1434		1705
1435	\@logins	1706	\@logins
1436	}	1707	}
1437		1708
1438	=item $player->maps	1709	=item $player->maps
		1710
		1711	=item cf::player::maps $login
1439		1712
1440	Returns an arrayref of map paths that are private for this	1713	Returns an arrayref of map paths that are private for this
1441	player. May block.	1714	player. May block.
1442		1715
1443	=cut	1716	=cut
…		…
1461	}	1734	}
1462		1735
1463	\@paths	1736	\@paths
1464	}	1737	}
1465		1738
1466	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1739	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1467		1740
1468	Expand crossfire pod fragments into protocol xml.	1741	Expand deliantra pod fragments into protocol xml.
1469		1742
1470	=cut
1471
1472	sub expand_cfpod {
1473	((my $self), (local $_)) = @_;
1474
1475	# escape & and <
1476	s/&/&amp;/g;
1477	s/(?<![BIUGH])</&lt;/g;
1478
1479	# this is buggy, it needs to properly take care of nested <'s
1480
1481	1 while
1482	# replace B<>, I<>, U<> etc.
1483	s/B<([^\>]*)>/<b>$1<\/b>/
1484	|| s/I<([^\>]*)>/<i>$1<\/i>/
1485	|| s/U<([^\>]*)>/<u>$1<\/u>/
1486	# replace G<male|female> tags
1487	|| s{G<([^>|]*)\|([^>]*)>}{
1488	$self->gender ? $2 : $1
1489	}ge
1490	# replace H<hint text>
1491	|| s{H<([^\>]*)>}
1492	{
1493	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1494	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1495	"")
1496	[$self->{hintmode}]
1497	}ge;
1498
1499	# create single paragraphs (very hackish)
1500	s/(?<=\S)\n(?=\w)/ /g;
1501
1502	# compress some whitespace
1503	s/\s+\n/\n/g; # ws line-ends
1504	s/\n\n+/\n/g; # double lines
1505	s/^\n+//; # beginning lines
1506	s/\n+$//; # ending lines
1507
1508	$_
1509	}
1510
1511	sub hintmode {
1512	$_[0]{hintmode} = $_[1] if @_ > 1;
1513	$_[0]{hintmode}
1514	}
1515
1516	=item $player->ext_reply ($msgid, %msg)	1743	=item $player->ext_reply ($msgid, @msg)
1517		1744
1518	Sends an ext reply to the player.	1745	Sends an ext reply to the player.
1519		1746
1520	=cut	1747	=cut
1521		1748
1522	sub ext_reply($$%) {	1749	sub ext_reply($$@) {
1523	my ($self, $id, %msg) = @_;	1750	my ($self, $id, @msg) = @_;
1524		1751
1525	$msg{msgid} = $id;	1752	$self->ns->ext_reply ($id, @msg)
1526	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1527	}	1753	}
1528		1754
1529	=item $player->ext_event ($type, %msg)	1755	=item $player->ext_msg ($type, @msg)
1530		1756
1531	Sends an ext event to the client.	1757	Sends an ext event to the client.
1532		1758
1533	=cut	1759	=cut
1534		1760
1535	sub ext_event($$%) {	1761	sub ext_msg($$@) {
1536	my ($self, $type, %msg) = @_;	1762	my ($self, $type, @msg) = @_;
1537		1763
1538	$self->ns->ext_event ($type, %msg);	1764	$self->ns->ext_msg ($type, @msg);
1539	}	1765	}
1540		1766
1541	=head3 cf::region	1767	=head3 cf::region
1542		1768
1543	=over 4	1769	=over 4
…		…
1552		1778
1553	=cut	1779	=cut
1554		1780
1555	sub find_by_path($) {	1781	sub find_by_path($) {
1556	my ($path) = @_;	1782	my ($path) = @_;
		1783
		1784	$path =~ s/^~[^\/]*//; # skip ~login
1557		1785
1558	my ($match, $specificity);	1786	my ($match, $specificity);
1559		1787
1560	for my $region (list) {	1788	for my $region (list) {
1561	if ($region->{match} && $path =~ $region->{match}) {	1789	if ($region->{match} && $path =~ $region->{match}) {
…		…
1587	our $MAX_RESET = 3600;	1815	our $MAX_RESET = 3600;
1588	our $DEFAULT_RESET = 3000;	1816	our $DEFAULT_RESET = 3000;
1589		1817
1590	sub generate_random_map {	1818	sub generate_random_map {
1591	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
1592	# mit "rum" bekleckern, nicht	1823	# mit "rum" bekleckern, nicht
1593	$self->_create_random_map (	1824	$self->_create_random_map (
1594	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1825	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1595	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1826	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1596	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1827	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1597	$rmp->{exit_on_final_map},	1828	$rmp->{exit_on_final_map},
1598	$rmp->{xsize}, $rmp->{ysize},	1829	$rmp->{xsize}, $rmp->{ysize},
1599	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1830	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1600	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1831	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1622		1853
1623	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1854	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1624	}	1855	}
1625		1856
1626	# also paths starting with '/'	1857	# also paths starting with '/'
1627	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1858	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1628		1859
1629	sub thawer_merge {	1860	sub thawer_merge {
1630	my ($self, $merge) = @_;	1861	my ($self, $merge) = @_;
1631		1862
1632	# we have to keep some variables in memory intact	1863	# we have to keep some variables in memory intact
…		…
1718		1949
1719	# the temporary/swap location	1950	# the temporary/swap location
1720	sub save_path {	1951	sub save_path {
1721	my ($self) = @_;	1952	my ($self) = @_;
1722		1953
1723	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1954	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1724	"$TMPDIR/$path.map"	1955	"$TMPDIR/$path.map"
1725	}	1956	}
1726		1957
1727	# the unique path, undef == no special unique path	1958	# the unique path, undef == no special unique path
1728	sub uniq_path {	1959	sub uniq_path {
1729	my ($self) = @_;	1960	my ($self) = @_;
1730		1961
1731	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1962	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1732	"$UNIQUEDIR/$path"	1963	"$UNIQUEDIR/$path"
1733	}
1734
1735	# and all this just because we cannot iterate over
1736	# all maps in C++...
1737	sub change_all_map_light {
1738	my ($change) = @_;
1739
1740	$_->change_map_light ($change)
1741	for grep $_->outdoor, values %cf::MAP;
1742	}	1964	}
1743		1965
1744	sub decay_objects {	1966	sub decay_objects {
1745	my ($self) = @_;	1967	my ($self) = @_;
1746		1968
…		…
1759		1981
1760	sub load_header_from($) {	1982	sub load_header_from($) {
1761	my ($self, $path) = @_;	1983	my ($self, $path) = @_;
1762		1984
1763	utf8::encode $path;	1985	utf8::encode $path;
1764	#aio_open $path, O_RDONLY, 0	1986	my $f = new_from_file cf::object::thawer $path
1765	# or return;
1766
1767	$self->_load_header ($path)
1768	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;
1769		1994
1770	$self->{load_path} = $path;	1995	$self->{load_path} = $path;
1771		1996
1772	1	1997	1
1773	}	1998	}
…		…
1827	sub find {	2052	sub find {
1828	my ($path, $origin) = @_;	2053	my ($path, $origin) = @_;
1829		2054
1830	$path = normalise $path, $origin && $origin->path;	2055	$path = normalise $path, $origin && $origin->path;
1831		2056
		2057	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1832	cf::lock_wait "map_find:$path";	2058	my $guard2 = cf::lock_acquire "map_find:$path";
1833		2059
1834	$cf::MAP{$path} || do {	2060	$cf::MAP{$path} || do {
1835	my $guard = cf::lock_acquire "map_find:$path";
1836	my $map = new_from_path cf::map $path	2061	my $map = new_from_path cf::map $path
1837	or return;	2062	or return;
1838		2063
1839	$map->{last_save} = $cf::RUNTIME;	2064	$map->{last_save} = $cf::RUNTIME;
1840		2065
…		…
1842	or return;	2067	or return;
1843		2068
1844	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2069	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1845	# doing this can freeze the server in a sync job, obviously	2070	# doing this can freeze the server in a sync job, obviously
1846	#$cf::WAIT_FOR_TICK->wait;	2071	#$cf::WAIT_FOR_TICK->wait;
		2072	undef $guard2;
		2073	undef $guard1;
1847	$map->reset;	2074	$map->reset;
1848	undef $guard;
1849	return find $path;	2075	return find $path;
1850	}	2076	}
1851		2077
1852	$cf::MAP{$path} = $map	2078	$cf::MAP{$path} = $map
1853	}	2079	}
1854	}	2080	}
1855		2081
1856	sub pre_load { }	2082	sub pre_load { }
1857	sub post_load { }	2083	#sub post_load { } # XS
1858		2084
1859	sub load {	2085	sub load {
1860	my ($self) = @_;	2086	my ($self) = @_;
1861		2087
1862	local $self->{deny_reset} = 1; # loading can take a long time	2088	local $self->{deny_reset} = 1; # loading can take a long time
1863		2089
1864	my $path = $self->{path};	2090	my $path = $self->{path};
1865		2091
1866	{	2092	{
1867	my $guard = cf::lock_acquire "map_load:$path";	2093	my $guard = cf::lock_acquire "map_data:$path";
1868		2094
		2095	return unless $self->valid;
1869	return if $self->in_memory != cf::MAP_SWAPPED;	2096	return unless $self->in_memory == cf::MAP_SWAPPED;
1870		2097
1871	$self->in_memory (cf::MAP_LOADING);	2098	$self->in_memory (cf::MAP_LOADING);
1872		2099
1873	$self->alloc;	2100	$self->alloc;
1874		2101
1875	$self->pre_load;	2102	$self->pre_load;
1876	Coro::cede;	2103	cf::cede_to_tick;
1877		2104
		2105	my $f = new_from_file cf::object::thawer $self->{load_path};
		2106	$f->skip_block;
1878	$self->_load_objects ($self->{load_path}, 1)	2107	$self->_load_objects ($f)
1879	or return;	2108	or return;
1880		2109
1881	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2110	$self->post_load_original
1882	if delete $self->{load_original};	2111	if delete $self->{load_original};
1883		2112
1884	if (my $uniq = $self->uniq_path) {	2113	if (my $uniq = $self->uniq_path) {
1885	utf8::encode $uniq;	2114	utf8::encode $uniq;
1886	if (aio_open $uniq, O_RDONLY, 0) {	2115	unless (aio_stat $uniq) {
		2116	if (my $f = new_from_file cf::object::thawer $uniq) {
1887	$self->clear_unique_items;	2117	$self->clear_unique_items;
1888	$self->_load_objects ($uniq, 0);	2118	$self->_load_objects ($f);
		2119	$f->resolve_delayed_derefs;
		2120	}
1889	}	2121	}
1890	}	2122	}
1891		2123
1892	Coro::cede;	2124	$f->resolve_delayed_derefs;
		2125
		2126	cf::cede_to_tick;
1893	# now do the right thing for maps	2127	# now do the right thing for maps
1894	$self->link_multipart_objects;	2128	$self->link_multipart_objects;
1895	$self->difficulty ($self->estimate_difficulty)	2129	$self->difficulty ($self->estimate_difficulty)
1896	unless $self->difficulty;	2130	unless $self->difficulty;
1897	Coro::cede;	2131	cf::cede_to_tick;
1898		2132
1899	unless ($self->{deny_activate}) {	2133	unless ($self->{deny_activate}) {
1900	$self->decay_objects;	2134	$self->decay_objects;
1901	$self->fix_auto_apply;	2135	$self->fix_auto_apply;
1902	$self->update_buttons;	2136	$self->update_buttons;
1903	Coro::cede;	2137	cf::cede_to_tick;
1904	$self->set_darkness_map;
1905	Coro::cede;
1906	$self->activate;	2138	$self->activate;
1907	}	2139	}
1908		2140
		2141	$self->{last_save} = $cf::RUNTIME;
		2142	$self->last_access ($cf::RUNTIME);
		2143
1909	$self->in_memory (cf::MAP_IN_MEMORY);	2144	$self->in_memory (cf::MAP_ACTIVE);
1910	}	2145	}
1911		2146
1912	$self->post_load;	2147	$self->post_load;
1913	}	2148	}
1914		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
1915	sub customise_for {	2153	sub customise_for {
1916	my ($self, $ob) = @_;	2154	my ($self, $ob) = @_;
1917		2155
1918	return find "~" . $ob->name . "/" . $self->{path}	2156	return find "~" . $ob->name . "/" . $self->{path}
1919	if $self->per_player;	2157	if $self->per_player;
…		…
1923		2161
1924	$self	2162	$self
1925	}	2163	}
1926		2164
1927	# 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
1928	sub load_diag {	2166	sub load_neighbours {
1929	my ($map) = @_;	2167	my ($map) = @_;
1930		2168
1931	my @diag; # diagonal neighbours	2169	my @neigh; # diagonal neighbours
1932		2170
1933	for (0 .. 3) {	2171	for (0 .. 3) {
1934	my $neigh = $map->tile_path ($_)	2172	my $neigh = $map->tile_path ($_)
1935	or next;	2173	or next;
1936	$neigh = find $neigh, $map	2174	$neigh = find $neigh, $map
1937	or next;	2175	or next;
1938	$neigh->load;	2176	$neigh->load;
1939		2177
		2178	# now find the diagonal neighbours
		2179	push @neigh,
1940	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2180	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1941	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2181	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1942	}	2182	}
1943		2183
1944	for (@diag) {	2184	for (grep defined $_->[0], @neigh) {
		2185	my ($path, $origin) = @$_;
1945	my $neigh = find @$_	2186	my $neigh = find $path, $origin
1946	or next;	2187	or next;
1947	$neigh->load;	2188	$neigh->load;
1948	}	2189	}
1949	}	2190	}
1950		2191
…		…
1955	}	2196	}
1956		2197
1957	sub do_load_sync {	2198	sub do_load_sync {
1958	my ($map) = @_;	2199	my ($map) = @_;
1959		2200
		2201	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2202	if $Coro::current == $Coro::main;
		2203
1960	cf::sync_job { $map->load };	2204	cf::sync_job { $map->load };
1961	}	2205	}
1962		2206
1963	our %MAP_PREFETCH;	2207	our %MAP_PREFETCH;
1964	our $MAP_PREFETCHER = undef;	2208	our $MAP_PREFETCHER = undef;
1965		2209
1966	sub find_async {	2210	sub find_async {
1967	my ($path, $origin) = @_;	2211	my ($path, $origin, $load) = @_;
1968		2212
1969	$path = normalise $path, $origin && $origin->{path};	2213	$path = normalise $path, $origin && $origin->{path};
1970		2214
1971	if (my $map = $cf::MAP{$path}) {	2215	if (my $map = $cf::MAP{$path}) {
1972	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2216	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1973	}	2217	}
1974		2218
1975	undef $MAP_PREFETCH{$path};	2219	$MAP_PREFETCH{$path} |= $load;
		2220
1976	$MAP_PREFETCHER ||= cf::async {	2221	$MAP_PREFETCHER ||= cf::async {
		2222	$Coro::current->{desc} = "map prefetcher";
		2223
1977	while (%MAP_PREFETCH) {	2224	while (%MAP_PREFETCH) {
1978	for my $path (keys %MAP_PREFETCH) {	2225	while (my ($k, $v) = each %MAP_PREFETCH) {
1979	if (my $map = find $path) {	2226	if (my $map = find $k) {
1980	$map->load;	2227	$map->load if $v;
1981	}	2228	}
1982		2229
1983	delete $MAP_PREFETCH{$path};	2230	delete $MAP_PREFETCH{$k};
1984	}	2231	}
1985	}	2232	}
1986	undef $MAP_PREFETCHER;	2233	undef $MAP_PREFETCHER;
1987	};	2234	};
1988	$MAP_PREFETCHER->prio (6);	2235	$MAP_PREFETCHER->prio (6);
1989		2236
1990	()	2237	()
1991	}	2238	}
1992		2239
		2240	# common code, used by both ->save and ->swapout
1993	sub save {	2241	sub _save {
1994	my ($self) = @_;	2242	my ($self) = @_;
1995
1996	my $lock = cf::lock_acquire "map_data:" . $self->path;
1997		2243
1998	$self->{last_save} = $cf::RUNTIME;	2244	$self->{last_save} = $cf::RUNTIME;
1999		2245
2000	return unless $self->dirty;	2246	return unless $self->dirty;
2001		2247
…		…
2007	return if $self->{deny_save};	2253	return if $self->{deny_save};
2008		2254
2009	local $self->{last_access} = $self->last_access;#d#	2255	local $self->{last_access} = $self->last_access;#d#
2010		2256
2011	cf::async {	2257	cf::async {
		2258	$Coro::current->{desc} = "map player save";
2012	$_->contr->save for $self->players;	2259	$_->contr->save for $self->players;
2013	};	2260	};
		2261
		2262	cf::get_slot 0.02;
2014		2263
2015	if ($uniq) {	2264	if ($uniq) {
2016	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2265	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2017	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2266	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2018	} else {	2267	} else {
2019	$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);
2020	}	2269	}
2021	}	2270	}
2022		2271
		2272	sub save {
		2273	my ($self) = @_;
		2274
		2275	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2276
		2277	$self->_save;
		2278	}
		2279
2023	sub swap_out {	2280	sub swap_out {
2024	my ($self) = @_;	2281	my ($self) = @_;
2025		2282
2026	# save first because save cedes
2027	$self->save;
2028
2029	my $lock = cf::lock_acquire "map_data:" . $self->path;	2283	my $lock = cf::lock_acquire "map_data:$self->{path}";
2030		2284
		2285	return if $self->in_memory != cf::MAP_ACTIVE;
		2286	return if $self->{deny_save};
2031	return if $self->players;	2287	return if $self->players;
2032	return if $self->in_memory != cf::MAP_IN_MEMORY;
2033	return if $self->{deny_save};
2034		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
2035	$self->clear;	2298	$self->clear;
2036	$self->in_memory (cf::MAP_SWAPPED);
2037	}	2299	}
2038		2300
2039	sub reset_at {	2301	sub reset_at {
2040	my ($self) = @_;	2302	my ($self) = @_;
2041		2303
…		…
2059		2321
2060	my $lock = cf::lock_acquire "map_data:$self->{path}";	2322	my $lock = cf::lock_acquire "map_data:$self->{path}";
2061		2323
2062	return if $self->players;	2324	return if $self->players;
2063		2325
2064	warn "resetting map ", $self->path;	2326	cf::trace "resetting map ", $self->path, "\n";
2065		2327
2066	$self->in_memory (cf::MAP_SWAPPED);	2328	$self->in_memory (cf::MAP_SWAPPED);
2067		2329
2068	# need to save uniques path	2330	# need to save uniques path
2069	unless ($self->{deny_save}) {	2331	unless ($self->{deny_save}) {
…		…
2073	if $uniq;	2335	if $uniq;
2074	}	2336	}
2075		2337
2076	delete $cf::MAP{$self->path};	2338	delete $cf::MAP{$self->path};
2077		2339
		2340	$self->deactivate;
		2341	$_->clear_links_to ($self) for values %cf::MAP;
2078	$self->clear;	2342	$self->clear;
2079
2080	$_->clear_links_to ($self) for values %cf::MAP;
2081		2343
2082	$self->unlink_save;	2344	$self->unlink_save;
2083	$self->destroy;	2345	$self->destroy;
2084	}	2346	}
2085		2347
2086	my $nuke_counter = "aaaa";	2348	my $nuke_counter = "aaaa";
2087		2349
2088	sub nuke {	2350	sub nuke {
2089	my ($self) = @_;	2351	my ($self) = @_;
2090		2352
		2353	{
		2354	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2355
2091	delete $cf::MAP{$self->path};	2356	delete $cf::MAP{$self->path};
2092		2357
2093	$self->unlink_save;	2358	$self->unlink_save;
2094		2359
2095	bless $self, "cf::map";	2360	bless $self, "cf::map::wrap";
2096	delete $self->{deny_reset};	2361	delete $self->{deny_reset};
2097	$self->{deny_save} = 1;	2362	$self->{deny_save} = 1;
2098	$self->reset_timeout (1);	2363	$self->reset_timeout (1);
2099	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2364	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2100		2365
2101	$cf::MAP{$self->path} = $self;	2366	$cf::MAP{$self->path} = $self;
		2367	}
2102		2368
2103	$self->reset; # polite request, might not happen	2369	$self->reset; # polite request, might not happen
2104	}	2370	}
2105		2371
2106	=item $maps = cf::map::tmp_maps	2372	=item $maps = cf::map::tmp_maps
…		…
2148		2414
2149	sub unique_maps() {	2415	sub unique_maps() {
2150	[	2416	[
2151	map {	2417	map {
2152	utf8::decode $_;	2418	utf8::decode $_;
2153	/\.map$/	2419	s/\.map$//; # TODO future compatibility hack
		2420	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2421	? ()
2154	? normalise $_	2422	: normalise $_
2155	: ()
2156	} @{ aio_readdir $UNIQUEDIR or [] }	2423	} @{ aio_readdir $UNIQUEDIR or [] }
2157	]	2424	]
2158	}	2425	}
2159		2426
2160	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	}
2161		2458
2162	=back	2459	=back
2163		2460
2164	=head3 cf::object	2461	=head3 cf::object
2165		2462
…		…
2169		2466
2170	=over 4	2467	=over 4
2171		2468
2172	=item $ob->inv_recursive	2469	=item $ob->inv_recursive
2173		2470
2174	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.
2175		2473
2176	=cut	2474	=cut
2177		2475
2178	sub inv_recursive_;	2476	sub inv_recursive_;
2179	sub inv_recursive_ {	2477	sub inv_recursive_ {
…		…
2182		2480
2183	sub inv_recursive {	2481	sub inv_recursive {
2184	inv_recursive_ inv $_[0]	2482	inv_recursive_ inv $_[0]
2185	}	2483	}
2186		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
2187	package cf;	2513	package cf;
2188		2514
2189	=back	2515	=back
2190		2516
2191	=head3 cf::object::player	2517	=head3 cf::object::player
…		…
2197	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>
2198	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
2199	dialogue with the given NPC character.	2525	dialogue with the given NPC character.
2200		2526
2201	=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	};
2202		2542
2203	# rough implementation of a future "reply" method that works	2543	# rough implementation of a future "reply" method that works
2204	# with dialog boxes.	2544	# with dialog boxes.
2205	#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
2206	sub cf::object::player::reply($$$;$) {	2546	sub cf::object::player::reply($$$;$) {
…		…
2213		2553
2214	} else {	2554	} else {
2215	my $pl = $self->contr;	2555	my $pl = $self->contr;
2216		2556
2217	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2557	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2218	my $diag = $pl->{npc_dialog};	2558	my $dialog = $pl->{npc_dialog};
2219	$diag->{pl}->ext_reply (	2559	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2220	$diag->{id},
2221	msgtype => "reply",
2222	msg => $diag->{pl}->expand_cfpod ($msg),
2223	add_topics => []
2224	);
2225		2560
2226	} else {	2561	} else {
2227	$msg = $npc->name . " says: $msg" if $npc;	2562	$msg = $npc->name . " says: $msg" if $npc;
2228	$self->message ($msg, $flags);	2563	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2229	}	2564	}
2230	}	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 (@_);
2231	}	2576	}
2232		2577
2233	=item $player_object->may ("access")	2578	=item $player_object->may ("access")
2234		2579
2235	Returns wether the given player is authorized to access resource "access"	2580	Returns wether the given player is authorized to access resource "access"
…		…
2248		2593
2249	=item $player_object->enter_link	2594	=item $player_object->enter_link
2250		2595
2251	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}>).
2252		2597
2253	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.
2254	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.
2255		2602
2256	Will never block.	2603	Will never block.
2257		2604
2258	=item $player_object->leave_link ($map, $x, $y)	2605	=item $player_object->leave_link ($map, $x, $y)
2259		2606
…		…
2279	sub cf::object::player::enter_link {	2626	sub cf::object::player::enter_link {
2280	my ($self) = @_;	2627	my ($self) = @_;
2281		2628
2282	$self->deactivate_recursive;	2629	$self->deactivate_recursive;
2283		2630
		2631	++$self->{_link_recursion};
		2632
2284	return if UNIVERSAL::isa $self->map, "ext::map_link";	2633	return if UNIVERSAL::isa $self->map, "ext::map_link";
2285		2634
2286	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2635	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2287	if $self->map && $self->map->{path} ne "{link}";	2636	if $self->map && $self->map->{path} ne "{link}";
2288		2637
2289	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2638	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2290	}	2639	}
2291		2640
2292	sub cf::object::player::leave_link {	2641	sub cf::object::player::leave_link {
2293	my ($self, $map, $x, $y) = @_;	2642	my ($self, $map, $x, $y) = @_;
2294		2643
…		…
2311	($x, $y) = (-1, -1)	2660	($x, $y) = (-1, -1)
2312	unless (defined $x) && (defined $y);	2661	unless (defined $x) && (defined $y);
2313		2662
2314	# use -1 or undef as default coordinates, not 0, 0	2663	# use -1 or undef as default coordinates, not 0, 0
2315	($x, $y) = ($map->enter_x, $map->enter_y)	2664	($x, $y) = ($map->enter_x, $map->enter_y)
2316	if $x <=0 && $y <= 0;	2665	if $x <= 0 && $y <= 0;
2317		2666
2318	$map->load;	2667	$map->load;
2319	$map->load_diag;	2668	$map->load_neighbours;
2320		2669
2321	return unless $self->contr->active;	2670	return unless $self->contr->active;
2322	$self->activate_recursive;
2323		2671
2324	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2672	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2325	$self->enter_map ($map, $x, $y);	2673	if ($self->enter_map ($map, $x, $y)) {
2326	}	2674	# entering was successful
		2675	delete $self->{_link_recursion};
		2676	# only activate afterwards, to support waiting in hooks
		2677	$self->activate_recursive;
		2678	}
2327		2679
		2680	}
		2681
2328	=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)]])
2329		2683
2330	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
2331	her, loading and preparing them map, calling the provided $check callback	2685	her, loading and preparing them map, calling the provided $check callback
2332	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
2333	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
2334	be called at the end of this process.	2688	be called at the end of this process.
2335		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
2336	=cut	2693	=cut
2337		2694
2338	our $GOTOGEN;	2695	our $GOTOGEN;
2339		2696
2340	sub cf::object::player::goto {	2697	sub cf::object::player::goto {
2341	my ($self, $path, $x, $y, $check, $done) = @_;	2698	my ($self, $path, $x, $y, $check, $done) = @_;
2342		2699
		2700	if ($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
2343	# 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
2344	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2707	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2345		2708
2346	$self->enter_link;	2709	$self->enter_link;
2347		2710
2348	(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
2349	my $map = eval {	2733	my $map = eval {
2350	my $map = cf::map::find $path;	2734	my $map = defined $path ? cf::map::find $path : undef;
2351		2735
2352	if ($map) {	2736	if ($map) {
2353	$map = $map->customise_for ($self);	2737	$map = $map->customise_for ($self);
2354	$map = $check->($map) if $check && $map;	2738	$map = $check->($map, $x, $y, $self) if $check && $map;
2355	} else {	2739	} else {
2356	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2740	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2357	}	2741	}
2358		2742
2359	$map	2743	$map
2360	};	2744	};
2361		2745
…		…
2367	if ($gen == $self->{_goto_generation}) {	2751	if ($gen == $self->{_goto_generation}) {
2368	delete $self->{_goto_generation};	2752	delete $self->{_goto_generation};
2369	$self->leave_link ($map, $x, $y);	2753	$self->leave_link ($map, $x, $y);
2370	}	2754	}
2371		2755
2372	$done->() if $done;	2756	$done->($self) if $done;
2373	})->prio (1);	2757	})->prio (1);
2374	}	2758	}
2375		2759
2376	=item $player_object->enter_exit ($exit_object)	2760	=item $player_object->enter_exit ($exit_object)
2377		2761
…		…
2397	}	2781	}
2398		2782
2399	sub prepare_random_map {	2783	sub prepare_random_map {
2400	my ($exit) = @_;	2784	my ($exit) = @_;
2401		2785
2402	my $guard = cf::lock_acquire "exit_prepare:$exit";
2403
2404	# all this does is basically replace the /! path by	2786	# all this does is basically replace the /! path by
2405	# a new random map path (?random/...) with a seed	2787	# a new random map path (?random/...) with a seed
2406	# that depends on the exit object	2788	# that depends on the exit object
2407		2789
2408	my $rmp = parse_random_map_params $exit->msg;	2790	my $rmp = parse_random_map_params $exit->msg;
…		…
2410	if ($exit->map) {	2792	if ($exit->map) {
2411	$rmp->{region} = $exit->region->name;	2793	$rmp->{region} = $exit->region->name;
2412	$rmp->{origin_map} = $exit->map->path;	2794	$rmp->{origin_map} = $exit->map->path;
2413	$rmp->{origin_x} = $exit->x;	2795	$rmp->{origin_x} = $exit->x;
2414	$rmp->{origin_y} = $exit->y;	2796	$rmp->{origin_y} = $exit->y;
		2797
		2798	$exit->map->touch;
2415	}	2799	}
2416		2800
2417	$rmp->{random_seed} ||= $exit->random_seed;	2801	$rmp->{random_seed} ||= $exit->random_seed;
2418		2802
2419	my $data = cf::to_json $rmp;	2803	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2420	my $md5 = Digest::MD5::md5_hex $data;	2804	my $md5 = Digest::MD5::md5_hex $data;
2421	my $meta = "$RANDOMDIR/$md5.meta";	2805	my $meta = "$RANDOMDIR/$md5.meta";
2422		2806
2423	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2807	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2424	aio_write $fh, 0, (length $data), $data, 0;	2808	aio_write $fh, 0, (length $data), $data, 0;
2425	undef $fh;	2809	undef $fh;
2426	aio_rename "$meta~", $meta;	2810	aio_rename "$meta~", $meta;
2427		2811
		2812	my $slaying = "?random/$md5";
		2813
		2814	if ($exit->valid) {
2428	$exit->slaying ("?random/$md5");	2815	$exit->slaying ("?random/$md5");
2429	$exit->msg (undef);	2816	$exit->msg (undef);
		2817	}
2430	}	2818	}
2431	}	2819	}
2432		2820
2433	sub cf::object::player::enter_exit {	2821	sub cf::object::player::enter_exit {
2434	my ($self, $exit) = @_;	2822	my ($self, $exit) = @_;
2435		2823
2436	return unless $self->type == cf::PLAYER;	2824	return unless $self->type == cf::PLAYER;
2437		2825
2438	if ($exit->slaying eq "/!") {
2439	#TODO: this should de-fi-ni-te-ly not be a sync-job
2440	# the problem is that $exit might not survive long enough
2441	# so it needs to be done right now, right here
2442	cf::sync_job { prepare_random_map $exit };
2443	}
2444
2445	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2446	my $hp = $exit->stats->hp;
2447	my $sp = $exit->stats->sp;
2448
2449	$self->enter_link;	2826	$self->enter_link;
2450		2827
2451	# if exit is damned, update players death & WoR home-position
2452	$self->contr->savebed ($slaying, $hp, $sp)
2453	if $exit->flag (FLAG_DAMNED);
2454
2455	(async {	2828	(async {
2456	$self->deactivate_recursive; # just to be sure	2829	$Coro::current->{desc} = "enter_exit";
		2830
2457	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
2458	$self->goto ($slaying, $hp, $sp);	2846	$self->goto ($map, $x, $y);
2459		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
2460	1;	2852	1
2461	}) {	2853	}) {
2462	$self->message ("Something went wrong deep within the crossfire server. "	2854	$self->message ("Something went wrong deep within the deliantra server. "
2463	. "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. "
2464	. "Please report this to the dungeon master!",	2856	. "Please report this to the dungeon master!",
2465	cf::NDI_UNIQUE | cf::NDI_RED);	2857	cf::NDI_UNIQUE | cf::NDI_RED);
2466		2858
2467	warn "ERROR in enter_exit: $@";	2859	error "ERROR in enter_exit: $@";
2468	$self->leave_link;	2860	$self->leave_link;
2469	}	2861	}
2470	})->prio (1);	2862	})->prio (1);
2471	}	2863	}
2472		2864
…		…
2484	sub cf::client::send_drawinfo {	2876	sub cf::client::send_drawinfo {
2485	my ($self, $text, $flags) = @_;	2877	my ($self, $text, $flags) = @_;
2486		2878
2487	utf8::encode $text;	2879	utf8::encode $text;
2488	$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);
2489	}	2906	}
2490		2907
2491	=item $client->send_msg ($channel, $msg, $color, [extra...])	2908	=item $client->send_msg ($channel, $msg, $color, [extra...])
2492		2909
2493	Send a drawinfo or msg packet to the client, formatting the msg for the	2910	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2495	the message, with C<log> being the default. If C<$color> is negative, suppress	2912	the message, with C<log> being the default. If C<$color> is negative, suppress
2496	the message unless the client supports the msg packet.	2913	the message unless the client supports the msg packet.
2497		2914
2498	=cut	2915	=cut
2499		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" => $CHAT_CHANNEL,
		3029	);
		3030
2500	sub cf::client::send_msg {	3031	sub cf::client::send_msg {
2501	my ($self, $channel, $msg, $color, @extra) = @_;	3032	my ($self, $channel, $msg, $color, @extra) = @_;
2502		3033
2503	$msg = $self->pl->expand_cfpod ($msg);	3034	$msg = $self->pl->expand_cfpod ($msg)
		3035	unless $color & cf::NDI_VERBATIM;
2504		3036
2505	$color &= ~cf::NDI_UNIQUE; # just in case...	3037	$color &= cf::NDI_CLIENT_MASK; # just in case...
2506		3038
		3039	# check predefined channels, for the benefit of C
		3040	if ($CHANNEL{$channel}) {
		3041	$channel = $CHANNEL{$channel};
		3042
		3043	$self->ext_msg (channel_info => $channel);
		3044	$channel = $channel->{id};
		3045
2507	if (ref $channel) {	3046	} elsif (ref $channel) {
2508	# send meta info to client, if not yet sent	3047	# send meta info to client, if not yet sent
2509	unless (exists $self->{channel}{$channel->{id}}) {	3048	unless (exists $self->{channel}{$channel->{id}}) {
2510	$self->{channel}{$channel->{id}} = $channel;	3049	$self->{channel}{$channel->{id}} = $channel;
2511	$self->ext_event (channel_info => %$channel);	3050	$self->ext_msg (channel_info => $channel);
2512	}	3051	}
2513		3052
2514	$channel = $channel->{id};	3053	$channel = $channel->{id};
2515	}	3054	}
2516		3055
2517	return unless @extra || length $msg;	3056	return unless @extra || length $msg;
2518		3057
2519	if ($self->can_msg) {	3058	# default colour, mask it out
2520	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));	3059	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2521	} else {	3060	if $color & cf::NDI_DEF;
2522	# replace some tags by gcfclient-compatible ones
2523	for ($msg) {
2524	1 while
2525	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2526	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2527	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2528	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2529	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2530	}
2531		3061
2532	if ($color >= 0) {	3062	my $pkt = "msg "
2533	if (0 && $msg =~ /\[/) {	3063	. $self->{json_coder}->encode (
2534	$self->send_packet ("drawextinfo $color 4 0 $msg")	3064	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2535	} else {	3065	);
2536	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2537	$self->send_packet ("drawinfo $color $msg")
2538	}
2539	}
2540	}
2541	}
2542		3066
		3067	$self->send_big_packet ($pkt);
		3068	}
		3069
2543	=item $client->ext_event ($type, %msg)	3070	=item $client->ext_msg ($type, @msg)
2544		3071
2545	Sends an ext event to the client.	3072	Sends an ext event to the client.
2546		3073
2547	=cut	3074	=cut
2548		3075
2549	sub cf::client::ext_event($$%) {	3076	sub cf::client::ext_msg($$@) {
2550	my ($self, $type, %msg) = @_;	3077	my ($self, $type, @msg) = @_;
2551		3078
2552	return unless $self->extcmd;	3079	if ($self->extcmd == 2) {
2553		3080	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3081	} elsif ($self->extcmd == 1) { # TODO: remove
2554	$msg{msgtype} = "event_$type";	3082	push @msg, msgtype => "event_$type";
2555	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3083	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3084	}
		3085	}
		3086
		3087	=item $client->ext_reply ($msgid, @msg)
		3088
		3089	Sends an ext reply to the client.
		3090
		3091	=cut
		3092
		3093	sub cf::client::ext_reply($$@) {
		3094	my ($self, $id, @msg) = @_;
		3095
		3096	if ($self->extcmd == 2) {
		3097	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3098	} elsif ($self->extcmd == 1) {
		3099	#TODO: version 1, remove
		3100	unshift @msg, msgtype => "reply", msgid => $id;
		3101	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3102	}
2556	}	3103	}
2557		3104
2558	=item $success = $client->query ($flags, "text", \&cb)	3105	=item $success = $client->query ($flags, "text", \&cb)
2559		3106
2560	Queues a query to the client, calling the given callback with	3107	Queues a query to the client, calling the given callback with
…		…
2615	my ($ns, $buf) = @_;	3162	my ($ns, $buf) = @_;
2616		3163
2617	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3164	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2618		3165
2619	if (ref $msg) {	3166	if (ref $msg) {
		3167	my ($type, $reply, @payload) =
		3168	"ARRAY" eq ref $msg
		3169	? @$msg
		3170	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3171
		3172	my @reply;
		3173
2620	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3174	if (my $cb = $EXTICMD{$type}) {
2621	if (my %reply = $cb->($ns, $msg)) {	3175	@reply = $cb->($ns, @payload);
2622	$reply{msgid} = $msg->{msgid};
2623	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2624	}
2625	}	3176	}
		3177
		3178	$ns->ext_reply ($reply, @reply)
		3179	if $reply;
		3180
2626	} else {	3181	} else {
2627	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";
2628	}	3183	}
2629		3184
2630	cf::override;	3185	cf::override;
2631	},	3186	},
2632	);	3187	);
…		…
2652		3207
2653	$coro	3208	$coro
2654	}	3209	}
2655		3210
2656	cf::client->attach (	3211	cf::client->attach (
2657	on_destroy => sub {	3212	on_client_destroy => sub {
2658	my ($ns) = @_;	3213	my ($ns) = @_;
2659		3214
2660	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3215	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2661	},	3216	},
2662	);	3217	);
…		…
2677	our $safe = new Safe "safe";	3232	our $safe = new Safe "safe";
2678	our $safe_hole = new Safe::Hole;	3233	our $safe_hole = new Safe::Hole;
2679		3234
2680	$SIG{FPE} = 'IGNORE';	3235	$SIG{FPE} = 'IGNORE';
2681		3236
2682	$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	));
2683		3242
2684	# here we export the classes and methods available to script code	3243	# here we export the classes and methods available to script code
2685		3244
2686	=pod	3245	=pod
2687		3246
2688	The following functions and methods are available within a safe environment:	3247	The following functions and methods are available within a safe environment:
2689		3248
2690	cf::object	3249	cf::object
2691	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
2692	insert remove	3251	insert remove name archname title slaying race decrease split
		3252	value
2693		3253
2694	cf::object::player	3254	cf::object::player
2695	player	3255	player
2696		3256
2697	cf::player	3257	cf::player
…		…
2702		3262
2703	=cut	3263	=cut
2704		3264
2705	for (	3265	for (
2706	["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
2707	insert remove)],	3267	insert remove inv nrof name archname title slaying race
		3268	decrease split destroy change_exp value msg lore send_msg)],
2708	["cf::object::player" => qw(player)],	3269	["cf::object::player" => qw(player)],
2709	["cf::player" => qw(peaceful)],	3270	["cf::player" => qw(peaceful send_msg)],
2710	["cf::map" => qw(trigger)],	3271	["cf::map" => qw(trigger)],
2711	) {	3272	) {
2712	no strict 'refs';	3273	no strict 'refs';
2713	my ($pkg, @funs) = @$_;	3274	my ($pkg, @funs) = @$_;
2714	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3275	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2732		3293
2733	my $qcode = $code;	3294	my $qcode = $code;
2734	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3295	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2735	$qcode =~ s/\n/\\n/g;	3296	$qcode =~ s/\n/\\n/g;
2736		3297
		3298	%vars = (_dummy => 0) unless %vars;
		3299
		3300	my @res;
2737	local $_;	3301	local $_;
2738	local @safe::cf::_safe_eval_args = values %vars;
2739		3302
2740	my $eval =	3303	my $eval =
2741	"do {\n"	3304	"do {\n"
2742	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3305	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2743	. "#line 0 \"{$qcode}\"\n"	3306	. "#line 0 \"{$qcode}\"\n"
2744	. $code	3307	. $code
2745	. "\n}"	3308	. "\n}"
2746	;	3309	;
2747		3310
		3311	if ($CFG{safe_eval}) {
2748	sub_generation_inc;	3312	sub_generation_inc;
		3313	local @safe::cf::_safe_eval_args = values %vars;
2749	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3314	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2750	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	}
2751		3320
2752	if ($@) {	3321	if ($@) {
2753	warn "$@";	3322	warn "$@",
2754	warn "while executing safe code '$code'\n";	3323	"while executing safe code '$code'\n",
2755	warn "with arguments " . (join " ", %vars) . "\n";	3324	"with arguments " . (join " ", %vars) . "\n";
2756	}	3325	}
2757		3326
2758	wantarray ? @res : $res[0]	3327	wantarray ? @res : $res[0]
2759	}	3328	}
2760		3329
…		…
2774	=cut	3343	=cut
2775		3344
2776	sub register_script_function {	3345	sub register_script_function {
2777	my ($fun, $cb) = @_;	3346	my ($fun, $cb) = @_;
2778		3347
2779	no strict 'refs';	3348	$fun = "safe::$fun" if $CFG{safe_eval};
2780	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3349	*$fun = $safe_hole->wrap ($cb);
2781	}	3350	}
2782		3351
2783	=back	3352	=back
2784		3353
2785	=cut	3354	=cut
…		…
2788	# the server's init and main functions	3357	# the server's init and main functions
2789		3358
2790	sub load_facedata($) {	3359	sub load_facedata($) {
2791	my ($path) = @_;	3360	my ($path) = @_;
2792		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
2793	warn "loading facedata from $path\n";	3368	trace "loading facedata from $path\n";
2794		3369
2795	my $facedata;	3370	my $facedata;
2796	0 < aio_load $path, $facedata	3371	0 < aio_load $path, $facedata
2797	or die "$path: $!";	3372	or die "$path: $!";
2798		3373
2799	$facedata = Coro::Storable::thaw $facedata;	3374	$facedata = Coro::Storable::thaw $facedata;
2800		3375
2801	$facedata->{version} == 2	3376	$facedata->{version} == 2
2802	or cf::cleanup "$path: version mismatch, cannot proceed.";	3377	or cf::cleanup "$path: version mismatch, cannot proceed.";
2803		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
2804	{	3388	{
2805	my $faces = $facedata->{faceinfo};	3389	my $faces = $facedata->{faceinfo};
2806		3390
2807	while (my ($face, $info) = each %$faces) {	3391	while (my ($face, $info) = each %$faces) {
2808	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3392	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3393
2809	cf::face::set_visibility $idx, $info->{visibility};	3394	cf::face::set_visibility $idx, $info->{visibility};
2810	cf::face::set_magicmap $idx, $info->{magicmap};	3395	cf::face::set_magicmap $idx, $info->{magicmap};
2811	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3396	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2812	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3397	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2813		3398
2814	cf::cede_to_tick;	3399	cf::cede_to_tick;
2815	}	3400	}
2816		3401
2817	while (my ($face, $info) = each %$faces) {	3402	while (my ($face, $info) = each %$faces) {
2818	next unless $info->{smooth};	3403	next unless $info->{smooth};
		3404
2819	my $idx = cf::face::find $face	3405	my $idx = cf::face::find $face
2820	or next;	3406	or next;
		3407
2821	if (my $smooth = cf::face::find $info->{smooth}) {	3408	if (my $smooth = cf::face::find $info->{smooth}) {
2822	cf::face::set_smooth $idx, $smooth;	3409	cf::face::set_smooth $idx, $smooth;
2823	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3410	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2824	} else {	3411	} else {
2825	warn "smooth face '$info->{smooth}' not found for face '$face'";	3412	error "smooth face '$info->{smooth}' not found for face '$face'";
2826	}	3413	}
2827		3414
2828	cf::cede_to_tick;	3415	cf::cede_to_tick;
2829	}	3416	}
2830	}	3417	}
…		…
2839		3426
2840	cf::anim::invalidate_all; # d'oh	3427	cf::anim::invalidate_all; # d'oh
2841	}	3428	}
2842		3429
2843	{	3430	{
2844	# TODO: for gcfclient pleasure, we should give resources
2845	# that gcfclient doesn't grok a >10000 face index.
2846	my $res = $facedata->{resource};	3431	my $res = $facedata->{resource};
2847	my $enc = JSON::XS->new->utf8->canonical;
2848		3432
2849	while (my ($name, $info) = each %$res) {	3433	while (my ($name, $info) = each %$res) {
2850	my $meta = $enc->encode ({	3434	if (defined $info->{type}) {
2851	name => $name,
2852	type => $info->{type},
2853	copyright => $info->{copyright}, #TODO#
2854	});
2855
2856	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3435	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2857		3436
2858	if ($name =~ /\.jpg$/) {
2859	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack	3437	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
2860	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack	3438	cf::face::set_type $idx, $info->{type};
2861	} else {	3439	} else {
2862	my $data = pack "(w/a*)*", $meta, $info->{data};	3440	$RESOURCE{$name} = $info; # unused
2863	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2864
2865	cf::face::set_type $idx, 1;
2866	cf::face::set_data $idx, 0, $data, $chk;
2867	}	3441	}
2868		3442
2869	cf::cede_to_tick;	3443	cf::cede_to_tick;
2870	}	3444	}
2871	}	3445	}
2872		3446
		3447	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3448
2873	1	3449	1
2874	}	3450	}
2875		3451
		3452	register_exticmd fx_want => sub {
		3453	my ($ns, $want) = @_;
		3454
		3455	while (my ($k, $v) = each %$want) {
		3456	$ns->fx_want ($k, $v);
		3457	}
		3458	};
		3459
		3460	sub load_resource_file($) {
		3461	my $guard = lock_acquire "load_resource_file";
		3462
		3463	my $status = load_resource_file_ $_[0];
		3464	get_slot 0.1, 100;
		3465	cf::arch::commit_load;
		3466
		3467	$status
		3468	}
		3469
2876	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
2877	load_resource_file "$MAPDIR/regions"	3475	load_resource_file "$MAPDIR/regions"
2878	or die "unable to load regions file\n";	3476	or die "unable to load regions file\n";
2879		3477
2880	for (cf::region::list) {	3478	for (cf::region::list) {
2881	$_->{match} = qr/$_->{match}/	3479	$_->{match} = qr/$_->{match}/
…		…
2889	}	3487	}
2890		3488
2891	sub reload_archetypes {	3489	sub reload_archetypes {
2892	load_resource_file "$DATADIR/archetypes"	3490	load_resource_file "$DATADIR/archetypes"
2893	or die "unable to load archetypes\n";	3491	or die "unable to load archetypes\n";
2894	#d# NEED to laod twice to resolve forward references
2895	# this really needs to be done in an extra post-pass
2896	# (which needs to be synchronous, so solve it differently)
2897	load_resource_file "$DATADIR/archetypes"
2898	or die "unable to load archetypes\n";
2899	}	3492	}
2900		3493
2901	sub reload_treasures {	3494	sub reload_treasures {
2902	load_resource_file "$DATADIR/treasures"	3495	load_resource_file "$DATADIR/treasures"
2903	or die "unable to load treasurelists\n";	3496	or die "unable to load treasurelists\n";
2904	}	3497	}
2905		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
2906	sub reload_resources {	3522	sub reload_resources {
2907	warn "reloading resource files...\n";	3523	trace "reloading resource files...\n";
2908		3524
		3525	reload_facedata;
		3526	reload_sound;
		3527	reload_archetypes;
2909	reload_regions;	3528	reload_regions;
2910	reload_facedata;
2911	#reload_archetypes;#d#
2912	reload_archetypes;
2913	reload_treasures;	3529	reload_treasures;
2914		3530
2915	warn "finished reloading resource files\n";	3531	trace "finished reloading resource files\n";
2916	}	3532	}
2917		3533
2918	sub init {	3534	sub reload_config {
2919	reload_resources;	3535	trace "reloading config file...\n";
2920	}
2921		3536
2922	sub cfg_load {
2923	open my $fh, "<:utf8", "$CONFDIR/config"	3537	open my $fh, "<:utf8", "$CONFDIR/config"
2924	or return;	3538	or return;
2925		3539
2926	local $/;	3540	local $/;
2927	*CFG = YAML::Syck::Load <$fh>;	3541	*CFG = YAML::XS::Load scalar <$fh>;
2928		3542
2929	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3543	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2930		3544
2931	$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};
2932	$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};
2933		3547
2934	if (exists $CFG{mlockall}) {	3548	if (exists $CFG{mlockall}) {
…		…
2936	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3550	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2937	and die "WARNING: m(un)lockall failed: $!\n";	3551	and die "WARNING: m(un)lockall failed: $!\n";
2938	};	3552	};
2939	warn $@ if $@;	3553	warn $@ if $@;
2940	}	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;
2941	}	3585	}
2942		3586
2943	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
2944	# we must not ever block the main coroutine	3597	# we must not ever block the main coroutine
2945	local $Coro::idle = sub {	3598	local $Coro::idle = sub {
2946	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#
2947	(async {	3600	(async {
2948	Event::one_event;	3601	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3602	EV::loop EV::LOOP_ONESHOT;
2949	})->prio (Coro::PRIO_MAX);	3603	})->prio (Coro::PRIO_MAX);
2950	};	3604	};
2951		3605
2952	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;
2953	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
2954	load_extensions;	3629	load_extensions;
2955		3630
2956	$TICK_WATCHER->start;	3631	utime time, time, $RUNTIMEFILE;
2957	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;
2958	}	3644	}
2959		3645
2960	#############################################################################	3646	#############################################################################
2961	# initialisation and cleanup	3647	# initialisation and cleanup
2962		3648
2963	# install some emergency cleanup handlers	3649	# install some emergency cleanup handlers
2964	BEGIN {	3650	BEGIN {
		3651	our %SIGWATCHER = ();
2965	for my $signal (qw(INT HUP TERM)) {	3652	for my $signal (qw(INT HUP TERM)) {
2966	Event->signal (	3653	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2967	reentrant => 0,
2968	data => WF_AUTOCANCEL,
2969	signal => $signal,
2970	prio => 0,
2971	cb => sub {
2972	cf::cleanup "SIG$signal";	3654	cf::cleanup "SIG$signal";
2973	},
2974	);	3655	};
2975	}	3656	}
2976	}	3657	}
2977		3658
2978	sub write_runtime {	3659	sub write_runtime_sync {
2979	my $runtime = "$LOCALDIR/runtime";	3660	my $t0 = AE::time;
2980		3661
2981	# first touch the runtime file to show we are still running:	3662	# first touch the runtime file to show we are still running:
2982	# the fsync below can take a very very long time.	3663	# the fsync below can take a very very long time.
2983		3664
2984	IO::AIO::aio_utime $runtime, undef, undef;	3665	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2985		3666
2986	my $guard = cf::lock_acquire "write_runtime";	3667	my $guard = cf::lock_acquire "write_runtime";
2987		3668
2988	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3669	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2989	or return;	3670	or return;
2990		3671
2991	my $value = $cf::RUNTIME + 90 + 10;	3672	my $value = $cf::RUNTIME + 90 + 10;
2992	# 10 is the runtime save interval, for a monotonic clock	3673	# 10 is the runtime save interval, for a monotonic clock
2993	# 60 allows for the watchdog to kill the server.	3674	# 60 allows for the watchdog to kill the server.
…		…
3003	aio_utime $fh, undef, undef;	3684	aio_utime $fh, undef, undef;
3004		3685
3005	close $fh	3686	close $fh
3006	or return;	3687	or return;
3007		3688
3008	aio_rename "$runtime~", $runtime	3689	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3009	and return;	3690	and return;
3010		3691
3011	warn "runtime file written.\n";	3692	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3012		3693
3013	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 };
3014	}	3745	}
3015		3746
3016	sub emergency_save() {	3747	sub emergency_save() {
3017	my $freeze_guard = cf::freeze_mainloop;	3748	my $freeze_guard = cf::freeze_mainloop;
3018		3749
3019	warn "enter emergency perl save\n";	3750	info "emergency_perl_save: enter\n";
3020		3751
3021	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
3022	# use a peculiar iteration method to avoid tripping on perl	3758	# use a peculiar iteration method to avoid tripping on perl
3023	# refcount bugs in for. also avoids problems with players	3759	# refcount bugs in for. also avoids problems with players
3024	# and maps saved/destroyed asynchronously.	3760	# and maps saved/destroyed asynchronously.
3025	warn "begin emergency player save\n";	3761	info "emergency_perl_save: begin player save\n";
3026	for my $login (keys %cf::PLAYER) {	3762	for my $login (keys %cf::PLAYER) {
3027	my $pl = $cf::PLAYER{$login} or next;	3763	my $pl = $cf::PLAYER{$login} or next;
3028	$pl->valid or next;	3764	$pl->valid or next;
		3765	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3029	$pl->save;	3766	$pl->save;
3030	}	3767	}
3031	warn "end emergency player save\n";	3768	info "emergency_perl_save: end player save\n";
3032		3769
3033	warn "begin emergency map save\n";	3770	info "emergency_perl_save: begin map save\n";
3034	for my $path (keys %cf::MAP) {	3771	for my $path (keys %cf::MAP) {
3035	my $map = $cf::MAP{$path} or next;	3772	my $map = $cf::MAP{$path} or next;
3036	$map->valid or next;	3773	$map->valid or next;
3037	$map->save;	3774	$map->save;
3038	}	3775	}
3039	warn "end emergency map save\n";	3776	info "emergency_perl_save: end map save\n";
3040		3777
3041	warn "begin emergency database checkpoint\n";	3778	info "emergency_perl_save: begin database checkpoint\n";
3042	BDB::db_env_txn_checkpoint $DB_ENV;	3779	BDB::db_env_txn_checkpoint $DB_ENV;
3043	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";
3044	};	3785	};
3045		3786
3046	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";
3047	}	3793	}
3048		3794
3049	sub post_cleanup {	3795	sub post_cleanup {
3050	my ($make_core) = @_;	3796	my ($make_core) = @_;
3051		3797
3052	warn Carp::longmess "post_cleanup backtrace"	3798	error Carp::longmess "post_cleanup backtrace"
3053	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	}
3054	}	3828	}
3055		3829
3056	sub do_reload_perl() {	3830	sub do_reload_perl() {
3057	# can/must only be called in main	3831	# can/must only be called in main
3058	if ($Coro::current != $Coro::main) {	3832	if (in_main) {
3059	warn "can only reload from main coroutine";	3833	error "can only reload from main coroutine";
3060	return;	3834	return;
3061	}	3835	}
3062		3836
		3837	return if $RELOAD++;
		3838
		3839	my $t1 = AE::time;
		3840
		3841	while ($RELOAD) {
3063	warn "reloading...";	3842	info "reloading...";
3064		3843
3065	warn "entering sync_job";	3844	trace "entering sync_job";
3066		3845
3067	cf::sync_job {	3846	cf::sync_job {
3068	cf::write_runtime; # external watchdog should not bark	3847	cf::write_runtime_sync; # external watchdog should not bark
3069	cf::emergency_save;	3848	cf::emergency_save;
3070	cf::write_runtime; # external watchdog should not bark	3849	cf::write_runtime_sync; # external watchdog should not bark
3071		3850
3072	warn "syncing database to disk";	3851	trace "syncing database to disk";
3073	BDB::db_env_txn_checkpoint $DB_ENV;	3852	BDB::db_env_txn_checkpoint $DB_ENV;
3074		3853
3075	# 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
3076		3855
3077	warn "cancelling all WF_AUTOCANCEL watchers";
3078	for (Event::all_watchers) {
3079	$_->cancel if $_->data & WF_AUTOCANCEL;
3080	}
3081
3082	warn "flushing outstanding aio requests";	3856	trace "flushing outstanding aio requests";
3083	for (;;) {
3084	BDB::flush;
3085	IO::AIO::flush;
3086	Coro::cede;
3087	last unless IO::AIO::nreqs || BDB::nreqs;	3857	while (IO::AIO::nreqs || BDB::nreqs) {
3088	warn "iterate...";	3858	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3089	}
3090
3091	++$RELOAD;
3092
3093	warn "cancelling all extension coros";
3094	$_->cancel for values %EXT_CORO;
3095	%EXT_CORO = ();
3096
3097	warn "removing commands";
3098	%COMMAND = ();
3099
3100	warn "removing ext/exti commands";
3101	%EXTCMD = ();
3102	%EXTICMD = ();
3103
3104	warn "unloading/nuking all extensions";
3105	for my $pkg (@EXTS) {
3106	warn "... unloading $pkg";
3107
3108	if (my $cb = $pkg->can ("unload")) {
3109	eval {
3110	$cb->($pkg);
3111	1
3112	} or warn "$pkg unloaded, but with errors: $@";
3113	}	3859	}
3114		3860
3115	warn "... nuking $pkg";	3861	trace "cancelling all extension coros";
3116	Symbol::delete_package $pkg;	3862	$_->cancel for values %EXT_CORO;
3117	}	3863	%EXT_CORO = ();
3118		3864
3119	warn "unloading all perl modules loaded from $LIBDIR";	3865	trace "removing commands";
3120	while (my ($k, $v) = each %INC) {	3866	%COMMAND = ();
3121	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3122		3867
		3868	trace "removing ext/exti commands";
		3869	%EXTCMD = ();
		3870	%EXTICMD = ();
		3871
		3872	trace "unloading/nuking all extensions";
		3873	for my $pkg (@EXTS) {
3123	warn "... unloading $k";	3874	trace "... unloading $pkg";
3124	delete $INC{$k};
3125		3875
3126	$k =~ s/\.pm$//;
3127	$k =~ s/\//::/g;
3128
3129	if (my $cb = $k->can ("unload_module")) {	3876	if (my $cb = $pkg->can ("unload")) {
		3877	eval {
3130	$cb->();	3878	$cb->($pkg);
		3879	1
		3880	} or error "$pkg unloaded, but with errors: $@";
		3881	}
		3882
		3883	trace "... clearing $pkg";
		3884	clear_package $pkg;
3131	}	3885	}
3132		3886
3133	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 $k;
3134	}	3902	}
3135		3903
3136	warn "getting rid of safe::, as good as possible";	3904	trace "getting rid of safe::, as good as possible";
3137	Symbol::delete_package "safe::$_"	3905	clear_package "safe::$_"
3138	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);
3139		3907
3140	warn "unloading cf.pm \"a bit\"";	3908	trace "unloading cf.pm \"a bit\"";
3141	delete $INC{"cf.pm"};	3909	delete $INC{"cf.pm"};
3142	delete $INC{"cf/pod.pm"};	3910	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3143		3911
3144	# don't, removes xs symbols, too,	3912	# don't, removes xs symbols, too,
3145	# and global variables created in xs	3913	# and global variables created in xs
3146	#Symbol::delete_package __PACKAGE__;	3914	#clear_package __PACKAGE__;
3147		3915
3148	warn "unload completed, starting to reload now";	3916	info "unload completed, starting to reload now";
3149		3917
3150	warn "reloading cf.pm";	3918	trace "reloading cf.pm";
3151	require cf;	3919	require cf;
3152	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3920	cf::_connect_to_perl_1;
3153		3921
3154	warn "loading config and database again";	3922	trace "loading config and database again";
3155	cf::cfg_load;	3923	cf::reload_config;
3156		3924
3157	warn "loading extensions";	3925	trace "loading extensions";
3158	cf::load_extensions;	3926	cf::load_extensions;
3159		3927
		3928	if ($REATTACH_ON_RELOAD) {
3160	warn "reattaching attachments to objects/players";	3929	trace "reattaching attachments to objects/players";
3161	_global_reattach; # objects, sockets	3930	_global_reattach; # objects, sockets
3162	warn "reattaching attachments to maps";	3931	trace "reattaching attachments to maps";
3163	reattach $_ for values %MAP;	3932	reattach $_ for values %MAP;
3164	warn "reattaching attachments to players";	3933	trace "reattaching attachments to players";
3165	reattach $_ for values %PLAYER;	3934	reattach $_ for values %PLAYER;
		3935	}
3166		3936
		3937	trace "running post_init jobs";
		3938	(pop @POST_INIT)->(1) while @POST_INIT;
		3939
3167	warn "leaving sync_job";	3940	trace "leaving sync_job";
3168		3941
3169	1	3942	1
3170	} or do {	3943	} or do {
3171	warn $@;	3944	error $@;
3172	warn "error while reloading, exiting.";	3945	cf::cleanup "error while reloading, exiting.";
3173	exit 1;	3946	};
		3947
		3948	info "reloaded";
		3949	--$RELOAD;
3174	};	3950	}
3175		3951
3176	warn "reloaded";	3952	$t1 = AE::time - $t1;
		3953	info "reload completed in ${t1}s\n";
3177	};	3954	};
3178		3955
3179	our $RELOAD_WATCHER; # used only during reload	3956	our $RELOAD_WATCHER; # used only during reload
3180		3957
3181	sub reload_perl() {	3958	sub reload_perl() {
3182	# doing reload synchronously and two reloads happen back-to-back,	3959	# doing reload synchronously and two reloads happen back-to-back,
3183	# coro crashes during coro_state_free->destroy here.	3960	# coro crashes during coro_state_free->destroy here.
3184		3961
3185	$RELOAD_WATCHER ||= Event->timer (	3962	$RELOAD_WATCHER ||= cf::async {
3186	reentrant => 0,	3963	Coro::AIO::aio_wait cache_extensions;
3187	after => 0,	3964
3188	data => WF_AUTOCANCEL,	3965	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3189	cb => sub {
3190	do_reload_perl;	3966	do_reload_perl;
3191	undef $RELOAD_WATCHER;	3967	undef $RELOAD_WATCHER;
3192	},	3968	};
3193	);	3969	};
3194	}	3970	}
3195		3971
3196	register_command "reload" => sub {	3972	register_command "reload" => sub {
3197	my ($who, $arg) = @_;	3973	my ($who, $arg) = @_;
3198		3974
3199	if ($who->flag (FLAG_WIZ)) {	3975	if ($who->flag (FLAG_WIZ)) {
3200	$who->message ("reloading server.");	3976	$who->message ("reloading server.");
		3977	async {
		3978	$Coro::current->{desc} = "perl_reload";
3201	async { reload_perl };	3979	reload_perl;
		3980	};
3202	}	3981	}
3203	};	3982	};
3204		3983
3205	unshift @INC, $LIBDIR;	3984	unshift @INC, $LIBDIR;
3206		3985
…		…
3208		3987
3209	our @WAIT_FOR_TICK;	3988	our @WAIT_FOR_TICK;
3210	our @WAIT_FOR_TICK_BEGIN;	3989	our @WAIT_FOR_TICK_BEGIN;
3211		3990
3212	sub wait_for_tick {	3991	sub wait_for_tick {
3213	return unless $TICK_WATCHER->is_active;
3214	return if $Coro::current == $Coro::main;	3992	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3215		3993
3216	my $signal = new Coro::Signal;	3994	my $signal = new Coro::Signal;
3217	push @WAIT_FOR_TICK, $signal;	3995	push @WAIT_FOR_TICK, $signal;
3218	$signal->wait;	3996	$signal->wait;
3219	}	3997	}
3220		3998
3221	sub wait_for_tick_begin {	3999	sub wait_for_tick_begin {
3222	return unless $TICK_WATCHER->is_active;
3223	return if $Coro::current == $Coro::main;	4000	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3224		4001
3225	my $signal = new Coro::Signal;	4002	my $signal = new Coro::Signal;
3226	push @WAIT_FOR_TICK_BEGIN, $signal;	4003	push @WAIT_FOR_TICK_BEGIN, $signal;
3227	$signal->wait;	4004	$signal->wait;
3228	}	4005	}
3229		4006
3230	my $min = 1e6;#d#	4007	sub tick {
3231	my $avg = 10;
3232	$TICK_WATCHER = Event->timer (
3233	reentrant => 0,
3234	parked => 1,
3235	prio => 0,
3236	at => $NEXT_TICK || $TICK,
3237	data => WF_AUTOCANCEL,
3238	cb => sub {
3239	if ($Coro::current != $Coro::main) {	4008	if ($Coro::current != $Coro::main) {
3240	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4009	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3241	unless ++$bug_warning > 10;	4010	unless ++$bug_warning > 10;
3242	return;	4011	return;
3243	}	4012	}
3244		4013
3245	$NOW = $tick_start = Event::time;
3246
3247	cf::server_tick; # one server iteration	4014	cf::server_tick; # one server iteration
3248		4015
3249	0 && sync_job {#d#	4016	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3250	for(1..10) {
3251	my $t = Event::time;
3252	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3253	or die;
3254		4017
3255	$map->width (50);	4018	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3256	$map->height (50);	4019	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3257	$map->alloc;	4020	Coro::async_pool {
3258	$map->_load_objects ("/tmp/x.map", 1);	4021	$Coro::current->{desc} = "runtime saver";
3259	my $t = Event::time - $t;	4022	write_runtime_sync
3260		4023	or error "ERROR: unable to write runtime file: $!";
3261	#next unless $t < 0.0013;#d#
3262	if ($t < $min) {
3263	$min = $t;
3264	}
3265	$avg = $avg * 0.99 + $t * 0.01;
3266	}
3267	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3268	exit 0;
3269	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3270	};	4024	};
		4025	}
3271		4026
3272	$RUNTIME += $TICK;
3273	$NEXT_TICK += $TICK;
3274
3275	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3276	$NEXT_RUNTIME_WRITE = $NOW + 10;
3277	Coro::async_pool {
3278	write_runtime
3279	or warn "ERROR: unable to write runtime file: $!";
3280	};
3281	}
3282
3283	# my $AFTER = Event::time;
3284	# warn $AFTER - $NOW;#d#
3285
3286	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4027	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3287	$sig->send;	4028	$sig->send;
3288	}	4029	}
3289	while (my $sig = shift @WAIT_FOR_TICK) {	4030	while (my $sig = shift @WAIT_FOR_TICK) {
3290	$sig->send;	4031	$sig->send;
3291	}	4032	}
3292		4033
3293	$NOW = Event::time;	4034	$LOAD = ($NOW - $TICK_START) / $TICK;
3294
3295	# if we are delayed by four ticks or more, skip them all
3296	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3297
3298	$TICK_WATCHER->at ($NEXT_TICK);
3299	$TICK_WATCHER->start;
3300
3301	$LOAD = ($NOW - $tick_start) / $TICK;
3302	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4035	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3303		4036
3304	_post_tick;	4037	if (0) {
3305		4038	if ($NEXT_TICK) {
3306		4039	my $jitter = $TICK_START - $NEXT_TICK;
		4040	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4041	debug "jitter $JITTER\n";#d#
		4042	}
3307	},	4043	}
3308	);	4044	}
3309		4045
3310	{	4046	{
3311	BDB::max_poll_time $TICK * 0.1;	4047	# configure BDB
3312	$BDB_POLL_WATCHER = Event->io (	4048
3313	reentrant => 0,
3314	fd => BDB::poll_fileno,
3315	poll => 'r',
3316	prio => 0,
3317	data => WF_AUTOCANCEL,
3318	cb => \&BDB::poll_cb,
3319	);
3320	BDB::min_parallel 8;	4049	BDB::min_parallel 16;
3321		4050	BDB::max_poll_reqs $TICK * 0.1;
3322	BDB::set_sync_prepare {	4051	$AnyEvent::BDB::WATCHER->priority (1);
3323	my $status;
3324	my $current = $Coro::current;
3325	(
3326	sub {
3327	$status = $!;
3328	$current->ready; undef $current;
3329	},
3330	sub {
3331	Coro::schedule while defined $current;
3332	$! = $status;
3333	},
3334	)
3335	};
3336		4052
3337	unless ($DB_ENV) {	4053	unless ($DB_ENV) {
3338	$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);
3339		4060
3340	cf::sync_job {	4061	cf::sync_job {
3341	eval {	4062	eval {
3342	BDB::db_env_open	4063	BDB::db_env_open
3343	$DB_ENV,	4064	$DB_ENV,
…		…
3345	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4066	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3346	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4067	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3347	0666;	4068	0666;
3348		4069
3349	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4070	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3350
3351	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3352	$DB_ENV->set_lk_detect;
3353	};	4071	};
3354		4072
3355	cf::cleanup "db_env_open(db): $@" if $@;	4073	cf::cleanup "db_env_open(db): $@" if $@;
3356	};	4074	};
3357	}	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	};
3358	}	4086	}
3359		4087
3360	{	4088	{
		4089	# configure IO::AIO
		4090
3361	IO::AIO::min_parallel 8;	4091	IO::AIO::min_parallel 8;
3362
3363	undef $Coro::AIO::WATCHER;
3364	IO::AIO::max_poll_time $TICK * 0.1;	4092	IO::AIO::max_poll_time $TICK * 0.1;
3365	$AIO_POLL_WATCHER = Event->io (	4093	undef $AnyEvent::AIO::WATCHER;
3366	reentrant => 0,
3367	data => WF_AUTOCANCEL,
3368	fd => IO::AIO::poll_fileno,
3369	poll => 'r',
3370	prio => 6,
3371	cb => \&IO::AIO::poll_cb,
3372	);
3373	}	4094	}
3374		4095
3375	my $_log_backtrace;	4096	my $_log_backtrace;
3376		4097
3377	sub _log_backtrace {	4098	sub _log_backtrace {
…		…
3380	$msg =~ s/\n//;	4101	$msg =~ s/\n//;
3381		4102
3382	# limit the # of concurrent backtraces	4103	# limit the # of concurrent backtraces
3383	if ($_log_backtrace < 2) {	4104	if ($_log_backtrace < 2) {
3384	++$_log_backtrace;	4105	++$_log_backtrace;
		4106	my $perl_bt = Carp::longmess $msg;
3385	async {	4107	async {
		4108	$Coro::current->{desc} = "abt $msg";
		4109
3386	my @bt = fork_call {	4110	my @bt = fork_call {
3387	@addr = map { sprintf "%x", $_ } @addr;	4111	@addr = map { sprintf "%x", $_ } @addr;
3388	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4112	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3389	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 |"
3390	or die "addr2line: $!";	4114	or die "addr2line: $!";
…		…
3398	}	4122	}
3399		4123
3400	@funcs	4124	@funcs
3401	};	4125	};
3402		4126
3403	LOG llevInfo, "[ABT] $msg\n";	4127	LOG llevInfo, "[ABT] $perl_bt\n";
		4128	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3404	LOG llevInfo, "[ABT] $_\n" for @bt;	4129	LOG llevInfo, "[ABT] $_\n" for @bt;
3405	--$_log_backtrace;	4130	--$_log_backtrace;
3406	};	4131	};
3407	} else {	4132	} else {
3408	LOG llevInfo, "[ABT] $msg\n";	4133	LOG llevInfo, "[ABT] $msg\n";
3409	LOG llevInfo, "[ABT] [suppressed]\n";	4134	LOG llevInfo, "[ABT] [suppressed]\n";
3410	}	4135	}
3411	}	4136	}
3412		4137
3413	# load additional modules	4138	# load additional modules
3414	use cf::pod;	4139	require "cf/$_.pm" for @EXTRA_MODULES;
		4140	cf::_connect_to_perl_2;
3415		4141
3416	END { cf::emergency_save }	4142	END { cf::emergency_save }
3417		4143
3418	1	4144	1
3419		4145

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