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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.315 by root, Mon Jul 23 17:53:55 2007 UTC vs.
Revision 1.533 by root, Thu Apr 29 07:59:17 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Socket;	31	use Socket;
9	use Storable;	32	use EV;
10	use Event;
11	use Opcode;	33	use Opcode;
12	use Safe;	34	use Safe;
13	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
14		38
		39	use Guard ();
15	use Coro 3.61 ();	40	use Coro ();
16	use Coro::State;	41	use Coro::State;
17	use Coro::Handle;	42	use Coro::Handle;
		43	use Coro::EV;
18	use Coro::Event;	44	use Coro::AnyEvent;
19	use Coro::Timer;	45	use Coro::Timer;
20	use Coro::Signal;	46	use Coro::Signal;
21	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
22	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
23	use Coro::Storable;	52	use Coro::Storable;
		53	use Coro::Util ();
24		54
25	use JSON::XS 1.4 ();	55	use JSON::XS 2.01 ();
26	use BDB ();	56	use BDB ();
27	use Data::Dumper;	57	use Data::Dumper;
28	use Digest::MD5;
29	use Fcntl;	58	use Fcntl;
30	use YAML::Syck ();	59	use YAML::XS ();
31	use IO::AIO 2.32 ();	60	use IO::AIO ();
32	use Time::HiRes;	61	use Time::HiRes;
33	use Compress::LZF;	62	use Compress::LZF;
34	use Digest::MD5 ();	63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
35		66
36	# configure various modules to our taste	67	# configure various modules to our taste
37	#	68	#
38	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
41		77
42	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
43		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
45	$YAML::Syck::ImplicitUnicode = 1;
46
47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
48		80
49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
50		82
51	our %COMMAND = ();	83	our %COMMAND = ();
52	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
…		…
55	our %EXTCMD = ();	87	our %EXTCMD = ();
56	our %EXTICMD = ();	88	our %EXTICMD = ();
57	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
58	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
59		91
60	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
61	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
62		96
63	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
64	our $DATADIR = datadir;	98	our $DATADIR = datadir;
65	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
66	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
67	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
68	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
73	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
74		118
75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
76	our $TICK_WATCHER;
77	our $AIO_POLL_WATCHER;
78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79	our $NEXT_TICK;	121	our $NEXT_TICK;
80	our $NOW;
81	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
82		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
83	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
84	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript);
85		130
86	our %CFG;	131	our %CFG;
87		132
88	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
90		136
91	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
92	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
93	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
94		140
95	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97		143
98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
99	our $LOADAVG; # same thing, but with alpha-smoothing	145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
100	our $tick_start; # for load detecting purposes	147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
101		153
102	binmode STDOUT;	154	binmode STDOUT;
103	binmode STDERR;	155	binmode STDERR;
104		156
105	# read virtual server time, if available	157	# read virtual server time, if available
106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
107	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
108	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
109	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
110	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
111		165
112	mkdir $_	166	mkdir $_
113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
114		168
115	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
116		170
117	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
118		187
119	#############################################################################	188	#############################################################################
120		189
121	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
122		191
…		…
158		227
159	The raw value load value from the last tick.	228	The raw value load value from the last tick.
160		229
161	=item %cf::CFG	230	=item %cf::CFG
162		231
163	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164	from wherever your confdir points to.	233	from wherever your confdir points to.
165		234
166	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
167		236
168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
169	returns directly I<after> the tick processing (and consequently, can only wake one process	238	returns directly I<after> the tick processing (and consequently, can only wake one process
170	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
171		240
172	=item @cf::INVOKE_RESULTS	241	=item @cf::INVOKE_RESULTS
173		242
174	This array contains the results of the last C<invoke ()> call. When	243	This array contains the results of the last C<invoke ()> call. When
175	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	244	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
176	that call.	245	that call.
177		246
		247	=item %cf::REFLECT
		248
		249	Contains, for each (C++) class name, a hash reference with information
		250	about object members (methods, scalars, arrays and flags) and other
		251	metadata, which is useful for introspection.
		252
178	=back	253	=back
179		254
180	=cut	255	=cut
181		256
182	BEGIN {	257	sub error(@) { LOG llevError, join "", @_ }
183	*CORE::GLOBAL::warn = sub {	258	sub warn (@) { LOG llevWarn , join "", @_ }
		259	sub info (@) { LOG llevInfo , join "", @_ }
		260	sub debug(@) { LOG llevDebug, join "", @_ }
		261	sub trace(@) { LOG llevTrace, join "", @_ }
		262
		263	$Coro::State::WARNHOOK = sub {
184	my $msg = join "", @_;	264	my $msg = join "", @_;
185		265
186	$msg .= "\n"	266	$msg .= "\n"
187	unless $msg =~ /\n$/;	267	unless $msg =~ /\n$/;
188		268
189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	269	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
190		270
191	utf8::encode $msg;
192	LOG llevError, $msg;	271	LOG llevWarn, $msg;
193	};	272	};
194	}	273
		274	$Coro::State::DIEHOOK = sub {
		275	return unless $^S eq 0; # "eq", not "=="
		276
		277	error Carp::longmess $_[0];
		278
		279	if (in_main) {#d#
		280	error "DIEHOOK called in main context, Coro bug?\n";#d#
		281	return;#d#
		282	}#d#
		283
		284	# kill coroutine otherwise
		285	Coro::terminate
		286	};
195		287
196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	288	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	289	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	290	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	291	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
206	for my $pkg (qw(	298	for my $pkg (qw(
207	cf::global cf::attachable	299	cf::global cf::attachable
208	cf::object cf::object::player	300	cf::object cf::object::player
209	cf::client cf::player	301	cf::client cf::player
210	cf::arch cf::living	302	cf::arch cf::living
		303	cf::map cf::mapspace
211	cf::map cf::party cf::region	304	cf::party cf::region
212	)) {	305	)) {
213	no strict 'refs';
214	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	306	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
215	}	307	}
216		308
217	$Event::DIED = sub {	309	$EV::DIED = sub {
218	warn "error in event callback: @_";	310	Carp::cluck "error in event callback: @_";
219	};	311	};
220		312
221	#############################################################################	313	#############################################################################
222		314
223	=head2 UTILITY FUNCTIONS	315	=head2 UTILITY FUNCTIONS
…		…
245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	337	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
246	$d	338	$d
247	} || "[unable to dump $_[0]: '$@']";	339	} || "[unable to dump $_[0]: '$@']";
248	}	340	}
249		341
250	=item $ref = cf::from_json $json	342	=item $ref = cf::decode_json $json
251		343
252	Converts a JSON string into the corresponding perl data structure.	344	Converts a JSON string into the corresponding perl data structure.
253		345
254	=item $json = cf::to_json $ref	346	=item $json = cf::encode_json $ref
255		347
256	Converts a perl data structure into its JSON representation.	348	Converts a perl data structure into its JSON representation.
257		349
258	=cut	350	=cut
259		351
260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	352	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
261		353
262	sub to_json ($) { $json_coder->encode ($_[0]) }	354	sub encode_json($) { $json_coder->encode ($_[0]) }
263	sub from_json ($) { $json_coder->decode ($_[0]) }	355	sub decode_json($) { $json_coder->decode ($_[0]) }
		356
		357	=item cf::post_init { BLOCK }
		358
		359	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		360	but I<before> the server starts ticking again.
		361
		362	The cdoeblock will have a single boolean argument to indicate whether this
		363	is a reload or not.
		364
		365	=cut
		366
		367	sub post_init(&) {
		368	push @POST_INIT, shift;
		369	}
264		370
265	=item cf::lock_wait $string	371	=item cf::lock_wait $string
266		372
267	Wait until the given lock is available. See cf::lock_acquire.	373	Wait until the given lock is available. See cf::lock_acquire.
268		374
269	=item my $lock = cf::lock_acquire $string	375	=item my $lock = cf::lock_acquire $string
270		376
271	Wait until the given lock is available and then acquires it and returns	377	Wait until the given lock is available and then acquires it and returns
272	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	378	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
273	for example when the coroutine gets canceled), the lock is automatically	379	for example when the coroutine gets canceled), the lock is automatically
274	returned.	380	returned.
275		381
		382	Locks are *not* recursive, locking from the same coro twice results in a
		383	deadlocked coro.
		384
276	Lock names should begin with a unique identifier (for example, cf::map::find	385	Lock names should begin with a unique identifier (for example, cf::map::find
277	uses map_find and cf::map::load uses map_load).	386	uses map_find and cf::map::load uses map_load).
278		387
279	=item $locked = cf::lock_active $string	388	=item $locked = cf::lock_active $string
280		389
281	Return true if the lock is currently active, i.e. somebody has locked it.	390	Return true if the lock is currently active, i.e. somebody has locked it.
282		391
283	=cut	392	=cut
284		393
285	our %LOCK;	394	our $LOCKS = new Coro::SemaphoreSet;
286		395
287	sub lock_wait($) {	396	sub lock_wait($) {
288	my ($key) = @_;	397	$LOCKS->wait ($_[0]);
289
290	# wait for lock, if any
291	while ($LOCK{$key}) {
292	push @{ $LOCK{$key} }, $Coro::current;
293	Coro::schedule;
294	}
295	}	398	}
296		399
297	sub lock_acquire($) {	400	sub lock_acquire($) {
298	my ($key) = @_;	401	$LOCKS->guard ($_[0])
299
300	# wait, to be sure we are not locked
301	lock_wait $key;
302
303	$LOCK{$key} = [];
304
305	Coro::guard {
306	# wake up all waiters, to be on the safe side
307	$_->ready for @{ delete $LOCK{$key} };
308	}
309	}	402	}
310		403
311	sub lock_active($) {	404	sub lock_active($) {
312	my ($key) = @_;	405	$LOCKS->count ($_[0]) < 1
313
314	! ! $LOCK{$key}
315	}	406	}
316		407
317	sub freeze_mainloop {	408	sub freeze_mainloop {
318	return unless $TICK_WATCHER->is_active;	409	tick_inhibit_inc;
319		410
320	my $guard = Coro::guard {	411	&Guard::guard (\&tick_inhibit_dec);
321	$TICK_WATCHER->start;	412	}
322	};	413
323	$TICK_WATCHER->stop;	414	=item cf::periodic $interval, $cb
324	$guard	415
		416	Like EV::periodic, but randomly selects a starting point so that the actions
		417	get spread over time.
		418
		419	=cut
		420
		421	sub periodic($$) {
		422	my ($interval, $cb) = @_;
		423
		424	my $start = rand List::Util::min 180, $interval;
		425
		426	EV::periodic $start, $interval, 0, $cb
325	}	427	}
326		428
327	=item cf::get_slot $time[, $priority[, $name]]	429	=item cf::get_slot $time[, $priority[, $name]]
328		430
329	Allocate $time seconds of blocking CPU time at priority C<$priority>:	431	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
337		439
338	=cut	440	=cut
339		441
340	our @SLOT_QUEUE;	442	our @SLOT_QUEUE;
341	our $SLOT_QUEUE;	443	our $SLOT_QUEUE;
		444	our $SLOT_DECAY = 0.9;
342		445
343	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	446	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
344	$SLOT_QUEUE = Coro::async {	447	$SLOT_QUEUE = Coro::async {
		448	$Coro::current->desc ("timeslot manager");
		449
345	my $signal = new Coro::Signal;	450	my $signal = new Coro::Signal;
		451	my $busy;
346		452
347	while () {	453	while () {
348	next_job:	454	next_job:
		455
349	my $avail = cf::till_tick;	456	my $avail = cf::till_tick;
350	if ($avail > 0.01) {	457
351	for (0 .. $#SLOT_QUEUE) {	458	for (0 .. $#SLOT_QUEUE) {
352	if ($SLOT_QUEUE[$_][0] < $avail) {	459	if ($SLOT_QUEUE[$_][0] <= $avail) {
		460	$busy = 0;
353	my $job = splice @SLOT_QUEUE, $_, 1, ();	461	my $job = splice @SLOT_QUEUE, $_, 1, ();
354	$job->[2]->send;	462	$job->[2]->send;
355	Coro::cede;	463	Coro::cede;
356	goto next_job;	464	goto next_job;
357	}	465	} else {
		466	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
358	}	467	}
359	}	468	}
360		469
361	if (@SLOT_QUEUE) {	470	if (@SLOT_QUEUE) {
362	# we do not use wait_For_tick() as it returns immediately when tick is inactive	471	# we do not use wait_for_tick() as it returns immediately when tick is inactive
363	push @cf::WAIT_FOR_TICK, $signal;	472	push @cf::WAIT_FOR_TICK, $signal;
364	$signal->wait;	473	$signal->wait;
365	} else {	474	} else {
		475	$busy = 0;
366	Coro::schedule;	476	Coro::schedule;
367	}	477	}
368	}	478	}
369	};	479	};
370		480
371	sub get_slot($;$$) {	481	sub get_slot($;$$) {
		482	return if tick_inhibit || $Coro::current == $Coro::main;
		483
372	my ($time, $pri, $name) = @_;	484	my ($time, $pri, $name) = @_;
373		485
374	$time = $TICK * .6 if $time > $TICK * .6;	486	$time = clamp $time, 0.01, $TICK * .6;
		487
375	my $sig = new Coro::Signal;	488	my $sig = new Coro::Signal;
376		489
377	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	490	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
378	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	491	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
379	$SLOT_QUEUE->ready;	492	$SLOT_QUEUE->ready;
…		…
390		503
391	BEGIN { *async = \&Coro::async_pool }	504	BEGIN { *async = \&Coro::async_pool }
392		505
393	=item cf::sync_job { BLOCK }	506	=item cf::sync_job { BLOCK }
394		507
395	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	508	The design of Deliantra requires that the main coroutine ($Coro::main)
396	is always able to handle events or runnable, as Crossfire TRT is only	509	is always able to handle events or runnable, as Deliantra is only
397	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	510	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
398	acceptable.	511	acceptable.
399		512
400	If it must be done, put the blocking parts into C<sync_job>. This will run	513	If it must be done, put the blocking parts into C<sync_job>. This will run
401	the given BLOCK in another coroutine while waiting for the result. The	514	the given BLOCK in another coroutine while waiting for the result. The
…		…
406		519
407	sub sync_job(&) {	520	sub sync_job(&) {
408	my ($job) = @_;	521	my ($job) = @_;
409		522
410	if ($Coro::current == $Coro::main) {	523	if ($Coro::current == $Coro::main) {
411	my $time = Event::time;	524	my $time = AE::time;
412		525
413	# this is the main coro, too bad, we have to block	526	# this is the main coro, too bad, we have to block
414	# till the operation succeeds, freezing the server :/	527	# till the operation succeeds, freezing the server :/
415		528
416	# TODO: use suspend/resume instead	529	LOG llevError, Carp::longmess "sync job";#d#
417	# (but this is cancel-safe)	530
418	my $freeze_guard = freeze_mainloop;	531	my $freeze_guard = freeze_mainloop;
419		532
420	my $busy = 1;	533	my $busy = 1;
421	my @res;	534	my @res;
422		535
423	(async {	536	(async {
		537	$Coro::current->desc ("sync job coro");
424	@res = eval { $job->() };	538	@res = eval { $job->() };
425	warn $@ if $@;	539	error $@ if $@;
426	undef $busy;	540	undef $busy;
427	})->prio (Coro::PRIO_MAX);	541	})->prio (Coro::PRIO_MAX);
428		542
429	while ($busy) {	543	while ($busy) {
430	Coro::cede or Event::one_event;	544	if (Coro::nready) {
		545	Coro::cede_notself;
		546	} else {
		547	EV::loop EV::LOOP_ONESHOT;
431	}	548	}
		549	}
432		550
433	$time = Event::time - $time;	551	my $time = AE::time - $time;
434		552
435	LOG llevError | logBacktrace, Carp::longmess "long sync job"
436	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
437
438	$tick_start += $time; # do not account sync jobs to server load	553	$TICK_START += $time; # do not account sync jobs to server load
439		554
440	wantarray ? @res : $res[0]	555	wantarray ? @res : $res[0]
441	} else {	556	} else {
442	# we are in another coroutine, how wonderful, everything just works	557	# we are in another coroutine, how wonderful, everything just works
443		558
…		…
468	=item fork_call { }, $args	583	=item fork_call { }, $args
469		584
470	Executes the given code block with the given arguments in a seperate	585	Executes the given code block with the given arguments in a seperate
471	process, returning the results. Everything must be serialisable with	586	process, returning the results. Everything must be serialisable with
472	Coro::Storable. May, of course, block. Note that the executed sub may	587	Coro::Storable. May, of course, block. Note that the executed sub may
473	never block itself or use any form of Event handling.	588	never block itself or use any form of event handling.
474		589
475	=cut	590	=cut
476
477	sub _store_scalar {
478	open my $fh, ">", \my $buf
479	or die "fork_call: cannot open fh-to-buf in child : $!";
480	Storable::store_fd $_[0], $fh;
481	close $fh;
482
483	$buf
484	}
485		591
486	sub fork_call(&@) {	592	sub fork_call(&@) {
487	my ($cb, @args) = @_;	593	my ($cb, @args) = @_;
488		594
489	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	595	# we seemingly have to make a local copy of the whole thing,
490	# or die "socketpair: $!";	596	# otherwise perl prematurely frees the stuff :/
491	pipe my $fh1, my $fh2	597	# TODO: investigate and fix (likely this will be rather laborious)
492	or die "pipe: $!";
493		598
494	if (my $pid = fork) {	599	my @res = Coro::Util::fork_eval {
495	close $fh2;
496
497	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
498	warn "pst<$res>" unless $res =~ /^pst/;
499	$res = Coro::Storable::thaw $res;
500
501	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
502
503	Carp::confess $$res unless "ARRAY" eq ref $res;
504
505	return wantarray ? @$res : $res->[-1];
506	} else {
507	reset_signals;	600	reset_signals;
508	local $SIG{__WARN__};	601	&$cb
509	local $SIG{__DIE__};	602	}, @args;
510	# just in case, this hack effectively disables event
511	# in the child. cleaner and slower would be canceling all watchers,
512	# but this works for the time being.
513	local $Coro::idle;
514	$Coro::current->prio (Coro::PRIO_MAX);
515		603
516	eval {	604	wantarray ? @res : $res[-1]
517	close $fh1;	605	}
518		606
519	my @res = eval { $cb->(@args) };	607	sub objinfo {
520
521	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
522	close $fh2;
523	};
524
525	warn $@ if $@;
526	_exit 0;
527	}	608	(
		609	"counter value" => cf::object::object_count,
		610	"objects created" => cf::object::create_count,
		611	"objects destroyed" => cf::object::destroy_count,
		612	"freelist size" => cf::object::free_count,
		613	"allocated objects" => cf::object::objects_size,
		614	"active objects" => cf::object::actives_size,
		615	)
		616	}
		617
		618	=item $coin = coin_from_name $name
		619
		620	=cut
		621
		622	our %coin_alias = (
		623	"silver" => "silvercoin",
		624	"silvercoin" => "silvercoin",
		625	"silvercoins" => "silvercoin",
		626	"gold" => "goldcoin",
		627	"goldcoin" => "goldcoin",
		628	"goldcoins" => "goldcoin",
		629	"platinum" => "platinacoin",
		630	"platinumcoin" => "platinacoin",
		631	"platinumcoins" => "platinacoin",
		632	"platina" => "platinacoin",
		633	"platinacoin" => "platinacoin",
		634	"platinacoins" => "platinacoin",
		635	"royalty" => "royalty",
		636	"royalties" => "royalty",
		637	);
		638
		639	sub coin_from_name($) {
		640	$coin_alias{$_[0]}
		641	? cf::arch::find $coin_alias{$_[0]}
		642	: undef
528	}	643	}
529		644
530	=item $value = cf::db_get $family => $key	645	=item $value = cf::db_get $family => $key
531		646
532	Returns a single value from the environment database.	647	Returns a single value from the environment database.
…		…
534	=item cf::db_put $family => $key => $value	649	=item cf::db_put $family => $key => $value
535		650
536	Stores the given C<$value> in the family. It can currently store binary	651	Stores the given C<$value> in the family. It can currently store binary
537	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	652	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
538		653
		654	=item $db = cf::db_table "name"
		655
		656	Create and/or open a new database table. The string must not be "db" and must be unique
		657	within each server.
		658
539	=cut	659	=cut
		660
		661	sub db_table($) {
		662	my ($name) = @_;
		663	my $db = BDB::db_create $DB_ENV;
		664
		665	eval {
		666	$db->set_flags (BDB::CHKSUM);
		667
		668	utf8::encode $name;
		669	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		670	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		671	cf::cleanup "db_open(db): $!" if $!;
		672	};
		673	cf::cleanup "db_open(db): $@" if $@;
		674
		675	$db
		676	}
540		677
541	our $DB;	678	our $DB;
542		679
543	sub db_init {	680	sub db_init {
544	unless ($DB) {
545	$DB = BDB::db_create $DB_ENV;
546
547	cf::sync_job {	681	cf::sync_job {
548	eval {	682	$DB ||= db_table "db";
549	$DB->set_flags (BDB::CHKSUM);
550
551	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
552	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
553	cf::cleanup "db_open(db): $!" if $!;
554	};
555	cf::cleanup "db_open(db): $@" if $@;
556	};
557	}	683	};
558	}	684	}
559		685
560	sub db_get($$) {	686	sub db_get($$) {
561	my $key = "$_[0]/$_[1]";	687	my $key = "$_[0]/$_[1]";
562		688
…		…
612	if (1) {	738	if (1) {
613	$md5 =	739	$md5 =
614	join "\x00",	740	join "\x00",
615	$processversion,	741	$processversion,
616	map {	742	map {
617	Coro::cede;	743	cf::cede_to_tick;
618	($src->[$_], Digest::MD5::md5_hex $data[$_])	744	($src->[$_], Digest::MD5::md5_hex $data[$_])
619	} 0.. $#$src;	745	} 0.. $#$src;
620		746
621		747
622	my $dbmd5 = db_get cache => "$id/md5";	748	my $dbmd5 = db_get cache => "$id/md5";
…		…
629		755
630	my $t1 = Time::HiRes::time;	756	my $t1 = Time::HiRes::time;
631	my $data = $process->(\@data);	757	my $data = $process->(\@data);
632	my $t2 = Time::HiRes::time;	758	my $t2 = Time::HiRes::time;
633		759
634	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	760	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
635		761
636	db_put cache => "$id/data", $data;	762	db_put cache => "$id/data", $data;
637	db_put cache => "$id/md5" , $md5;	763	db_put cache => "$id/md5" , $md5;
638	db_put cache => "$id/meta", $meta;	764	db_put cache => "$id/meta", $meta;
639		765
…		…
649		775
650	=cut	776	=cut
651		777
652	sub datalog($@) {	778	sub datalog($@) {
653	my ($type, %kv) = @_;	779	my ($type, %kv) = @_;
654	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	780	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
655	}	781	}
656		782
657	=back	783	=back
658		784
659	=cut	785	=cut
660		786
661	#############################################################################	787	#############################################################################
662		788
663	=head2 ATTACHABLE OBJECTS	789	=head2 ATTACHABLE OBJECTS
664		790
665	Many objects in crossfire are so-called attachable objects. That means you can	791	Many objects in deliantra are so-called attachable objects. That means you can
666	attach callbacks/event handlers (a collection of which is called an "attachment")	792	attach callbacks/event handlers (a collection of which is called an "attachment")
667	to it. All such attachable objects support the following methods.	793	to it. All such attachable objects support the following methods.
668		794
669	In the following description, CLASS can be any of C<global>, C<object>	795	In the following description, CLASS can be any of C<global>, C<object>
670	C<player>, C<client> or C<map> (i.e. the attachable objects in	796	C<player>, C<client> or C<map> (i.e. the attachable objects in
671	Crossfire TRT).	797	Deliantra).
672		798
673	=over 4	799	=over 4
674		800
675	=item $attachable->attach ($attachment, key => $value...)	801	=item $attachable->attach ($attachment, key => $value...)
676		802
…		…
720	=item cf::CLASS::attachment $name, ...	846	=item cf::CLASS::attachment $name, ...
721		847
722	Register an attachment by C<$name> through which attachable objects of the	848	Register an attachment by C<$name> through which attachable objects of the
723	given CLASS can refer to this attachment.	849	given CLASS can refer to this attachment.
724		850
725	Some classes such as crossfire maps and objects can specify attachments	851	Some classes such as deliantra maps and objects can specify attachments
726	that are attached at load/instantiate time, thus the need for a name.	852	that are attached at load/instantiate time, thus the need for a name.
727		853
728	These calls expect any number of the following handler/hook descriptions:	854	These calls expect any number of the following handler/hook descriptions:
729		855
730	=over 4	856	=over 4
…		…
854		980
855	} elsif (exists $cb_id{$type}) {	981	} elsif (exists $cb_id{$type}) {
856	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	982	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
857		983
858	} elsif (ref $type) {	984	} elsif (ref $type) {
859	warn "attaching objects not supported, ignoring.\n";	985	error "attaching objects not supported, ignoring.\n";
860		986
861	} else {	987	} else {
862	shift @arg;	988	shift @arg;
863	warn "attach argument '$type' not supported, ignoring.\n";	989	error "attach argument '$type' not supported, ignoring.\n";
864	}	990	}
865	}	991	}
866	}	992	}
867		993
868	sub _object_attach {	994	sub _object_attach {
…		…
878	_attach $registry, $klass, @attach;	1004	_attach $registry, $klass, @attach;
879	}	1005	}
880		1006
881	$obj->{$name} = \%arg;	1007	$obj->{$name} = \%arg;
882	} else {	1008	} else {
883	warn "object uses attachment '$name' which is not available, postponing.\n";	1009	info "object uses attachment '$name' which is not available, postponing.\n";
884	}	1010	}
885		1011
886	$obj->{_attachment}{$name} = undef;	1012	$obj->{_attachment}{$name} = undef;
887	}	1013	}
888		1014
…		…
947		1073
948	for (@$callbacks) {	1074	for (@$callbacks) {
949	eval { &{$_->[1]} };	1075	eval { &{$_->[1]} };
950		1076
951	if ($@) {	1077	if ($@) {
952	warn "$@";
953	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1078	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
954	override;	1079	override;
955	}	1080	}
956		1081
957	return 1 if $override;	1082	return 1 if $override;
958	}	1083	}
959		1084
960	0	1085	0
961	}	1086	}
962		1087
963	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1088	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
964		1089
965	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
966		1091
967	Generate an object-specific event with the given arguments.	1092	Generate an object-specific event with the given arguments.
968		1093
…		…
974		1099
975	=cut	1100	=cut
976		1101
977	#############################################################################	1102	#############################################################################
978	# object support	1103	# object support
979	#
980		1104
		1105	sub _object_equal($$);
		1106	sub _object_equal($$) {
		1107	my ($a, $b) = @_;
		1108
		1109	return 0 unless (ref $a) eq (ref $b);
		1110
		1111	if ("HASH" eq ref $a) {
		1112	my @ka = keys %$a;
		1113	my @kb = keys %$b;
		1114
		1115	return 0 if @ka != @kb;
		1116
		1117	for (0 .. $#ka) {
		1118	return 0 unless $ka[$_] eq $kb[$_];
		1119	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1120	}
		1121
		1122	} elsif ("ARRAY" eq ref $a) {
		1123
		1124	return 0 if @$a != @$b;
		1125
		1126	for (0 .. $#$a) {
		1127	return 0 unless _object_equal $a->[$_], $b->[$_];
		1128	}
		1129
		1130	} elsif ($a ne $b) {
		1131	return 0;
		1132	}
		1133
		1134	1
		1135	}
		1136
		1137	our $SLOW_MERGES;#d#
981	sub _can_merge {	1138	sub _can_merge {
982	my ($ob1, $ob2) = @_;	1139	my ($ob1, $ob2) = @_;
983		1140
984	local $Storable::canonical = 1;	1141	++$SLOW_MERGES;#d#
985	my $fob1 = Storable::freeze $ob1;
986	my $fob2 = Storable::freeze $ob2;
987		1142
988	$fob1 eq $fob2	1143	# we do the slow way here
		1144	return _object_equal $ob1, $ob2
989	}	1145	}
990		1146
991	sub reattach {	1147	sub reattach {
992	# basically do the same as instantiate, without calling instantiate	1148	# basically do the same as instantiate, without calling instantiate
993	my ($obj) = @_;	1149	my ($obj) = @_;
994		1150
		1151	# no longer needed after getting rid of delete_package?
995	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1152	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
996		1153
997	my $registry = $obj->registry;	1154	my $registry = $obj->registry;
998		1155
999	@$registry = ();	1156	@$registry = ();
1000		1157
…		…
1005	for (@$attach) {	1162	for (@$attach) {
1006	my ($klass, @attach) = @$_;	1163	my ($klass, @attach) = @$_;
1007	_attach $registry, $klass, @attach;	1164	_attach $registry, $klass, @attach;
1008	}	1165	}
1009	} else {	1166	} else {
1010	warn "object uses attachment '$name' that is not available, postponing.\n";	1167	info "object uses attachment '$name' that is not available, postponing.\n";
1011	}	1168	}
1012	}	1169	}
1013	}	1170	}
1014		1171
1015	cf::attachable->attach (	1172	cf::attachable->attach (
1016	prio => -1000000,	1173	prio => -1000000,
1017	on_instantiate => sub {	1174	on_instantiate => sub {
1018	my ($obj, $data) = @_;	1175	my ($obj, $data) = @_;
1019		1176
1020	$data = from_json $data;	1177	$data = decode_json $data;
1021		1178
1022	for (@$data) {	1179	for (@$data) {
1023	my ($name, $args) = @$_;	1180	my ($name, $args) = @$_;
1024		1181
1025	$obj->attach ($name, %{$args || {} });	1182	$obj->attach ($name, %{$args || {} });
…		…
1041	sub object_freezer_save {	1198	sub object_freezer_save {
1042	my ($filename, $rdata, $objs) = @_;	1199	my ($filename, $rdata, $objs) = @_;
1043		1200
1044	sync_job {	1201	sync_job {
1045	if (length $$rdata) {	1202	if (length $$rdata) {
		1203	utf8::decode (my $decname = $filename);
1046	warn sprintf "saving %s (%d,%d)\n",	1204	trace sprintf "saving %s (%d,%d)\n",
1047	$filename, length $$rdata, scalar @$objs;	1205	$decname, length $$rdata, scalar @$objs
		1206	if $VERBOSE_IO;
1048		1207
1049	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1208	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1050	chmod SAVE_MODE, $fh;	1209	aio_chmod $fh, SAVE_MODE;
1051	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1210	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1052	aio_fsync $fh if $cf::USE_FSYNC;	1211	if ($cf::USE_FSYNC) {
		1212	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1213	aio_fsync $fh;
		1214	}
1053	close $fh;	1215	aio_close $fh;
1054		1216
1055	if (@$objs) {	1217	if (@$objs) {
1056	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1218	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1057	chmod SAVE_MODE, $fh;	1219	aio_chmod $fh, SAVE_MODE;
1058	my $data = Storable::nfreeze { version => 1, objs => $objs };	1220	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1059	aio_write $fh, 0, (length $data), $data, 0;	1221	aio_write $fh, 0, (length $data), $data, 0;
1060	aio_fsync $fh if $cf::USE_FSYNC;	1222	if ($cf::USE_FSYNC) {
		1223	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1224	aio_fsync $fh;
		1225	}
1061	close $fh;	1226	aio_close $fh;
1062	aio_rename "$filename.pst~", "$filename.pst";	1227	aio_rename "$filename.pst~", "$filename.pst";
1063	}	1228	}
1064	} else {	1229	} else {
1065	aio_unlink "$filename.pst";	1230	aio_unlink "$filename.pst";
1066	}	1231	}
1067		1232
1068	aio_rename "$filename~", $filename;	1233	aio_rename "$filename~", $filename;
		1234
		1235	$filename =~ s%/[^/]+$%%;
		1236	aio_pathsync $filename if $cf::USE_FSYNC;
1069	} else {	1237	} else {
1070	warn "FATAL: $filename~: $!\n";	1238	error "unable to save objects: $filename~: $!\n";
1071	}	1239	}
1072	} else {	1240	} else {
1073	aio_unlink $filename;	1241	aio_unlink $filename;
1074	aio_unlink "$filename.pst";	1242	aio_unlink "$filename.pst";
1075	}	1243	}
1076	}	1244	};
1077	}	1245	}
1078		1246
1079	sub object_freezer_as_string {	1247	sub object_freezer_as_string {
1080	my ($rdata, $objs) = @_;	1248	my ($rdata, $objs) = @_;
1081		1249
…		…
1093	or return;	1261	or return;
1094		1262
1095	unless (aio_stat "$filename.pst") {	1263	unless (aio_stat "$filename.pst") {
1096	(aio_load "$filename.pst", $av) >= 0	1264	(aio_load "$filename.pst", $av) >= 0
1097	or return;	1265	or return;
		1266
1098	$av = eval { (Storable::thaw $av)->{objs} };	1267	my $st = eval { Coro::Storable::thaw $av };
		1268	$av = $st->{objs};
1099	}	1269	}
1100		1270
		1271	utf8::decode (my $decname = $filename);
1101	warn sprintf "loading %s (%d)\n",	1272	trace sprintf "loading %s (%d,%d)\n",
1102	$filename, length $data, scalar @{$av || []};	1273	$decname, length $data, scalar @{$av || []}
		1274	if $VERBOSE_IO;
		1275
1103	return ($data, $av);	1276	($data, $av)
1104	}	1277	}
1105		1278
1106	=head2 COMMAND CALLBACKS	1279	=head2 COMMAND CALLBACKS
1107		1280
1108	=over 4	1281	=over 4
…		…
1162	my ($name, $cb) = @_;	1335	my ($name, $cb) = @_;
1163		1336
1164	$EXTICMD{$name} = $cb;	1337	$EXTICMD{$name} = $cb;
1165	}	1338	}
1166		1339
		1340	use File::Glob ();
		1341
1167	cf::player->attach (	1342	cf::player->attach (
1168	on_command => sub {	1343	on_unknown_command => sub {
1169	my ($pl, $name, $params) = @_;	1344	my ($pl, $name, $params) = @_;
1170		1345
1171	my $cb = $COMMAND{$name}	1346	my $cb = $COMMAND{$name}
1172	or return;	1347	or return;
1173		1348
…		…
1181	my ($pl, $buf) = @_;	1356	my ($pl, $buf) = @_;
1182		1357
1183	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1358	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1184		1359
1185	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
1186	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1368	if (my $cb = $EXTCMD{$type}) {
1187	if (my %reply = $cb->($pl, $msg)) {	1369	@reply = $cb->($pl, @payload);
1188	$pl->ext_reply ($msg->{msgid}, %reply);
1189	}
1190	}	1370	}
		1371
		1372	$pl->ext_reply ($reply, @reply)
		1373	if $reply;
		1374
1191	} else {	1375	} else {
1192	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1376	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1193	}	1377	}
1194		1378
1195	cf::override;	1379	cf::override;
1196	},	1380	},
1197	);	1381	);
1198		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
1199	sub load_extensions {	1396	sub load_extensions {
		1397	info "loading extensions...";
		1398
1200	cf::sync_job {	1399	cf::sync_job {
1201	my %todo;	1400	my %todo;
1202		1401
1203	for my $path (<$LIBDIR/*.ext>) {	1402	for my $path (<$LIBDIR/*.ext>) {
1204	next unless -r $path;	1403	next unless -r $path;
…		…
1222		1421
1223	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1422	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1224	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1423	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1225		1424
1226	$ext{source} =	1425	$ext{source} =
1227	"package $pkg; use strict; use utf8;\n"	1426	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1228	. "#line 1 \"$path\"\n{\n"	1427	. "#line 1 \"$path\"\n{\n"
1229	. $source	1428	. $source
1230	. "\n};\n1";	1429	. "\n};\n1";
1231		1430
1232	$todo{$base} = \%ext;	1431	$todo{$base} = \%ext;
1233	}	1432	}
1234		1433
		1434	my $pass = 0;
1235	my %done;	1435	my %done;
1236	while (%todo) {	1436	while (%todo) {
1237	my $progress;	1437	my $progress;
1238		1438
		1439	++$pass;
		1440
		1441	ext:
1239	while (my ($k, $v) = each %todo) {	1442	while (my ($k, $v) = each %todo) {
1240	for (split /,\s*/, $v->{meta}{depends}) {	1443	for (split /,\s*/, $v->{meta}{depends}) {
1241	goto skip	1444	next ext
1242	unless exists $done{$_};	1445	unless exists $done{$_};
1243	}	1446	}
1244		1447
1245	warn "... loading '$k' into '$v->{pkg}'\n";	1448	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1246		1449
1247	unless (eval $v->{source}) {	1450	my $active = eval $v->{source};
		1451
		1452	if (length $@) {
1248	my $msg = $@ ? "$v->{path}: $@\n"	1453	error "$v->{path}: $@\n";
1249	: "$v->{base}: extension inactive.\n";
1250		1454
		1455	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1251	if (exists $v->{meta}{mandatory}) {	1456	if exists $v->{meta}{mandatory};
1252	warn $msg;	1457
1253	warn "mandatory extension failed to load, exiting.\n";	1458	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1254	exit 1;	1459	delete $todo{$k};
1255	}	1460	} else {
1256		1461	$done{$k} = delete $todo{$k};
1257	warn $msg;	1462	push @EXTS, $v->{pkg};
		1463	$progress = 1;
		1464
		1465	info "$v->{base}: extension inactive.\n"
		1466	unless $active;
1258	}	1467	}
1259
1260	$done{$k} = delete $todo{$k};
1261	push @EXTS, $v->{pkg};
1262	$progress = 1;
1263	}	1468	}
1264		1469
1265	skip:	1470	unless ($progress) {
1266	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1471	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1267	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	}
1268	}	1478	}
1269	};	1479	};
1270	}	1480	}
1271		1481
1272	#############################################################################	1482	#############################################################################
1273		1483
1274	=back	1484	=back
1275		1485
1276	=head2 CORE EXTENSIONS	1486	=head2 CORE EXTENSIONS
1277		1487
1278	Functions and methods that extend core crossfire objects.	1488	Functions and methods that extend core deliantra objects.
1279		1489
1280	=cut	1490	=cut
1281		1491
1282	package cf::player;	1492	package cf::player;
1283		1493
1284	use Coro::AIO;	1494	use Coro::AIO;
1285		1495
1286	=head3 cf::player	1496	=head3 cf::player
1287		1497
1288	=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	}
1289		1513
1290	=item cf::player::find $login	1514	=item cf::player::find $login
1291		1515
1292	Returns the given player object, loading it if necessary (might block).	1516	Returns the given player object, loading it if necessary (might block).
1293		1517
…		…
1312		1536
1313	sub exists($) {	1537	sub exists($) {
1314	my ($login) = @_;	1538	my ($login) = @_;
1315		1539
1316	$cf::PLAYER{$login}	1540	$cf::PLAYER{$login}
1317	or cf::sync_job { !aio_stat path $login }	1541	or !aio_stat path $login
1318	}	1542	}
1319		1543
1320	sub find($) {	1544	sub find($) {
1321	return $cf::PLAYER{$_[0]} || do {	1545	return $cf::PLAYER{$_[0]} || do {
1322	my $login = $_[0];	1546	my $login = $_[0];
…		…
1329	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1553	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1330	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1554	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1331	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1555	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1332	aio_unlink +(playerdir $login) . "/$login.pl";	1556	aio_unlink +(playerdir $login) . "/$login.pl";
1333		1557
1334	my $pl = load_pl path $login	1558	my $f = new_from_file cf::object::thawer path $login
1335	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;
1336	$cf::PLAYER{$login} = $pl	1566	$cf::PLAYER{$login} = $pl
1337	}	1567	}
1338	}	1568	}
1339	}	1569	}
		1570
		1571	cf::player->attach (
		1572	on_load => sub {
		1573	my ($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	);
1340		1583
1341	sub save($) {	1584	sub save($) {
1342	my ($pl) = @_;	1585	my ($pl) = @_;
1343		1586
1344	return if $pl->{deny_save};	1587	return if $pl->{deny_save};
…		…
1349	return if $pl->{deny_save};	1592	return if $pl->{deny_save};
1350		1593
1351	aio_mkdir playerdir $pl, 0770;	1594	aio_mkdir playerdir $pl, 0770;
1352	$pl->{last_save} = $cf::RUNTIME;	1595	$pl->{last_save} = $cf::RUNTIME;
1353		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
1354	$pl->save_pl ($path);	1602	$pl->save_pl ($path);
1355	Coro::cede;	1603	cf::cede_to_tick;
1356	}	1604	}
1357		1605
1358	sub new($) {	1606	sub new($) {
1359	my ($login) = @_;	1607	my ($login) = @_;
1360		1608
…		…
1366	$cf::PLAYER{$login} = $self;	1614	$cf::PLAYER{$login} = $self;
1367		1615
1368	$self	1616	$self
1369	}	1617	}
1370		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
1371	=item $pl->quit_character	1629	=item $pl->quit_character
1372		1630
1373	Nukes the player without looking back. If logged in, the connection will	1631	Nukes the player without looking back. If logged in, the connection will
1374	be destroyed. May block for a long time.	1632	be destroyed. May block for a long time.
1375		1633
…		…
1379	my ($pl) = @_;	1637	my ($pl) = @_;
1380		1638
1381	my $name = $pl->ob->name;	1639	my $name = $pl->ob->name;
1382		1640
1383	$pl->{deny_save} = 1;	1641	$pl->{deny_save} = 1;
1384	$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
1385		1643
1386	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1644	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1387	$pl->deactivate;	1645	$pl->deactivate;
		1646	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1388	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1647	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1389	$pl->ns->destroy if $pl->ns;	1648	$pl->ns->destroy if $pl->ns;
1390		1649
1391	my $path = playerdir $pl;	1650	my $path = playerdir $pl;
1392	my $temp = "$path~$cf::RUNTIME~deleting~";	1651	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1428	or return [];	1687	or return [];
1429		1688
1430	my @logins;	1689	my @logins;
1431		1690
1432	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") {
1433	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1697	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1434	aio_read $fh, 0, 512, my $buf, 0 or next;	1698	aio_read $fh, 0, 512, my $buf, 0 or next;
1435	$buf !~ /^password -------------$/m or next; # official not-valid tag	1699	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1700	}
1436		1701
1437	utf8::decode $login;	1702	utf8::decode $login;
1438	push @logins, $login;	1703	push @logins, $login;
1439	}	1704	}
1440		1705
1441	\@logins	1706	\@logins
1442	}	1707	}
1443		1708
1444	=item $player->maps	1709	=item $player->maps
		1710
		1711	=item cf::player::maps $login
1445		1712
1446	Returns an arrayref of map paths that are private for this	1713	Returns an arrayref of map paths that are private for this
1447	player. May block.	1714	player. May block.
1448		1715
1449	=cut	1716	=cut
…		…
1467	}	1734	}
1468		1735
1469	\@paths	1736	\@paths
1470	}	1737	}
1471		1738
1472	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1739	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1473		1740
1474	Expand crossfire pod fragments into protocol xml.	1741	Expand deliantra pod fragments into protocol xml.
1475		1742
1476	=cut
1477
1478	sub expand_cfpod {
1479	((my $self), (local $_)) = @_;
1480
1481	# escape & and <
1482	s/&/&amp;/g;
1483	s/(?<![BIUGH])</&lt;/g;
1484
1485	# this is buggy, it needs to properly take care of nested <'s
1486
1487	1 while
1488	# replace B<>, I<>, U<> etc.
1489	s/B<([^\>]*)>/<b>$1<\/b>/
1490	|| s/I<([^\>]*)>/<i>$1<\/i>/
1491	|| s/U<([^\>]*)>/<u>$1<\/u>/
1492	# replace G<male|female> tags
1493	|| s{G<([^>|]*)\|([^>]*)>}{
1494	$self->gender ? $2 : $1
1495	}ge
1496	# replace H<hint text>
1497	|| s{H<([^\>]*)>}
1498	{
1499	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1500	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1501	"")
1502	[$self->{hintmode}]
1503	}ge;
1504
1505	# create single paragraphs (very hackish)
1506	s/(?<=\S)\n(?=\w)/ /g;
1507
1508	# compress some whitespace
1509	s/\s+\n/\n/g; # ws line-ends
1510	s/\n\n+/\n/g; # double lines
1511	s/^\n+//; # beginning lines
1512	s/\n+$//; # ending lines
1513
1514	$_
1515	}
1516
1517	sub hintmode {
1518	$_[0]{hintmode} = $_[1] if @_ > 1;
1519	$_[0]{hintmode}
1520	}
1521
1522	=item $player->ext_reply ($msgid, %msg)	1743	=item $player->ext_reply ($msgid, @msg)
1523		1744
1524	Sends an ext reply to the player.	1745	Sends an ext reply to the player.
1525		1746
1526	=cut	1747	=cut
1527		1748
1528	sub ext_reply($$%) {	1749	sub ext_reply($$@) {
1529	my ($self, $id, %msg) = @_;	1750	my ($self, $id, @msg) = @_;
1530		1751
1531	$msg{msgid} = $id;	1752	$self->ns->ext_reply ($id, @msg)
1532	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1533	}	1753	}
1534		1754
1535	=item $player->ext_event ($type, %msg)	1755	=item $player->ext_msg ($type, @msg)
1536		1756
1537	Sends an ext event to the client.	1757	Sends an ext event to the client.
1538		1758
1539	=cut	1759	=cut
1540		1760
1541	sub ext_event($$%) {	1761	sub ext_msg($$@) {
1542	my ($self, $type, %msg) = @_;	1762	my ($self, $type, @msg) = @_;
1543		1763
1544	$self->ns->ext_event ($type, %msg);	1764	$self->ns->ext_msg ($type, @msg);
1545	}	1765	}
1546		1766
1547	=head3 cf::region	1767	=head3 cf::region
1548		1768
1549	=over 4	1769	=over 4
…		…
1558		1778
1559	=cut	1779	=cut
1560		1780
1561	sub find_by_path($) {	1781	sub find_by_path($) {
1562	my ($path) = @_;	1782	my ($path) = @_;
		1783
		1784	$path =~ s/^~[^\/]*//; # skip ~login
1563		1785
1564	my ($match, $specificity);	1786	my ($match, $specificity);
1565		1787
1566	for my $region (list) {	1788	for my $region (list) {
1567	if ($region->{match} && $path =~ $region->{match}) {	1789	if ($region->{match} && $path =~ $region->{match}) {
…		…
1593	our $MAX_RESET = 3600;	1815	our $MAX_RESET = 3600;
1594	our $DEFAULT_RESET = 3000;	1816	our $DEFAULT_RESET = 3000;
1595		1817
1596	sub generate_random_map {	1818	sub generate_random_map {
1597	my ($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
1598	# mit "rum" bekleckern, nicht	1823	# mit "rum" bekleckern, nicht
1599	$self->_create_random_map (	1824	$self->_create_random_map (
1600	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1825	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1601	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1826	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1602	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1827	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1603	$rmp->{exit_on_final_map},	1828	$rmp->{exit_on_final_map},
1604	$rmp->{xsize}, $rmp->{ysize},	1829	$rmp->{xsize}, $rmp->{ysize},
1605	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1830	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1606	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1831	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1628		1853
1629	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1854	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1630	}	1855	}
1631		1856
1632	# also paths starting with '/'	1857	# also paths starting with '/'
1633	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1858	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1634		1859
1635	sub thawer_merge {	1860	sub thawer_merge {
1636	my ($self, $merge) = @_;	1861	my ($self, $merge) = @_;
1637		1862
1638	# we have to keep some variables in memory intact	1863	# we have to keep some variables in memory intact
…		…
1724		1949
1725	# the temporary/swap location	1950	# the temporary/swap location
1726	sub save_path {	1951	sub save_path {
1727	my ($self) = @_;	1952	my ($self) = @_;
1728		1953
1729	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1954	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1730	"$TMPDIR/$path.map"	1955	"$TMPDIR/$path.map"
1731	}	1956	}
1732		1957
1733	# the unique path, undef == no special unique path	1958	# the unique path, undef == no special unique path
1734	sub uniq_path {	1959	sub uniq_path {
1735	my ($self) = @_;	1960	my ($self) = @_;
1736		1961
1737	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1962	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1738	"$UNIQUEDIR/$path"	1963	"$UNIQUEDIR/$path"
1739	}
1740
1741	# and all this just because we cannot iterate over
1742	# all maps in C++...
1743	sub change_all_map_light {
1744	my ($change) = @_;
1745
1746	$_->change_map_light ($change)
1747	for grep $_->outdoor, values %cf::MAP;
1748	}	1964	}
1749		1965
1750	sub decay_objects {	1966	sub decay_objects {
1751	my ($self) = @_;	1967	my ($self) = @_;
1752		1968
…		…
1765		1981
1766	sub load_header_from($) {	1982	sub load_header_from($) {
1767	my ($self, $path) = @_;	1983	my ($self, $path) = @_;
1768		1984
1769	utf8::encode $path;	1985	utf8::encode $path;
1770	#aio_open $path, O_RDONLY, 0	1986	my $f = new_from_file cf::object::thawer $path
1771	# or return;
1772
1773	$self->_load_header ($path)
1774	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;
1775		1994
1776	$self->{load_path} = $path;	1995	$self->{load_path} = $path;
1777		1996
1778	1	1997	1
1779	}	1998	}
…		…
1833	sub find {	2052	sub find {
1834	my ($path, $origin) = @_;	2053	my ($path, $origin) = @_;
1835		2054
1836	$path = normalise $path, $origin && $origin->path;	2055	$path = normalise $path, $origin && $origin->path;
1837		2056
		2057	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1838	cf::lock_wait "map_find:$path";	2058	my $guard2 = cf::lock_acquire "map_find:$path";
1839		2059
1840	$cf::MAP{$path} || do {	2060	$cf::MAP{$path} || do {
1841	my $guard = cf::lock_acquire "map_find:$path";
1842	my $map = new_from_path cf::map $path	2061	my $map = new_from_path cf::map $path
1843	or return;	2062	or return;
1844		2063
1845	$map->{last_save} = $cf::RUNTIME;	2064	$map->{last_save} = $cf::RUNTIME;
1846		2065
…		…
1848	or return;	2067	or return;
1849		2068
1850	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2069	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1851	# doing this can freeze the server in a sync job, obviously	2070	# doing this can freeze the server in a sync job, obviously
1852	#$cf::WAIT_FOR_TICK->wait;	2071	#$cf::WAIT_FOR_TICK->wait;
		2072	undef $guard2;
		2073	undef $guard1;
1853	$map->reset;	2074	$map->reset;
1854	undef $guard;
1855	return find $path;	2075	return find $path;
1856	}	2076	}
1857		2077
1858	$cf::MAP{$path} = $map	2078	$cf::MAP{$path} = $map
1859	}	2079	}
1860	}	2080	}
1861		2081
1862	sub pre_load { }	2082	sub pre_load { }
1863	sub post_load { }	2083	#sub post_load { } # XS
1864		2084
1865	sub load {	2085	sub load {
1866	my ($self) = @_;	2086	my ($self) = @_;
1867		2087
1868	local $self->{deny_reset} = 1; # loading can take a long time	2088	local $self->{deny_reset} = 1; # loading can take a long time
1869		2089
1870	my $path = $self->{path};	2090	my $path = $self->{path};
1871		2091
1872	{	2092	{
1873	my $guard = cf::lock_acquire "map_load:$path";	2093	my $guard = cf::lock_acquire "map_data:$path";
1874		2094
		2095	return unless $self->valid;
1875	return if $self->in_memory != cf::MAP_SWAPPED;	2096	return unless $self->in_memory == cf::MAP_SWAPPED;
1876		2097
1877	$self->in_memory (cf::MAP_LOADING);	2098	$self->in_memory (cf::MAP_LOADING);
1878		2099
1879	$self->alloc;	2100	$self->alloc;
1880		2101
1881	$self->pre_load;	2102	$self->pre_load;
1882	Coro::cede;	2103	cf::cede_to_tick;
1883		2104
		2105	my $f = new_from_file cf::object::thawer $self->{load_path};
		2106	$f->skip_block;
1884	$self->_load_objects ($self->{load_path}, 1)	2107	$self->_load_objects ($f)
1885	or return;	2108	or return;
1886		2109
1887	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2110	$self->post_load_original
1888	if delete $self->{load_original};	2111	if delete $self->{load_original};
1889		2112
1890	if (my $uniq = $self->uniq_path) {	2113	if (my $uniq = $self->uniq_path) {
1891	utf8::encode $uniq;	2114	utf8::encode $uniq;
1892	if (aio_open $uniq, O_RDONLY, 0) {	2115	unless (aio_stat $uniq) {
		2116	if (my $f = new_from_file cf::object::thawer $uniq) {
1893	$self->clear_unique_items;	2117	$self->clear_unique_items;
1894	$self->_load_objects ($uniq, 0);	2118	$self->_load_objects ($f);
		2119	$f->resolve_delayed_derefs;
		2120	}
1895	}	2121	}
1896	}	2122	}
1897		2123
1898	Coro::cede;	2124	$f->resolve_delayed_derefs;
		2125
		2126	cf::cede_to_tick;
1899	# now do the right thing for maps	2127	# now do the right thing for maps
1900	$self->link_multipart_objects;	2128	$self->link_multipart_objects;
1901	$self->difficulty ($self->estimate_difficulty)	2129	$self->difficulty ($self->estimate_difficulty)
1902	unless $self->difficulty;	2130	unless $self->difficulty;
1903	Coro::cede;	2131	cf::cede_to_tick;
1904		2132
1905	unless ($self->{deny_activate}) {	2133	unless ($self->{deny_activate}) {
1906	$self->decay_objects;	2134	$self->decay_objects;
1907	$self->fix_auto_apply;	2135	$self->fix_auto_apply;
1908	$self->update_buttons;	2136	$self->update_buttons;
1909	Coro::cede;	2137	cf::cede_to_tick;
1910	$self->set_darkness_map;
1911	Coro::cede;
1912	$self->activate;	2138	$self->activate;
1913	}	2139	}
1914		2140
		2141	$self->{last_save} = $cf::RUNTIME;
		2142	$self->last_access ($cf::RUNTIME);
		2143
1915	$self->in_memory (cf::MAP_IN_MEMORY);	2144	$self->in_memory (cf::MAP_ACTIVE);
1916	}	2145	}
1917		2146
1918	$self->post_load;	2147	$self->post_load;
1919	}	2148	}
1920		2149
		2150	# customize the map for a given player, i.e.
		2151	# return the _real_ map. used by e.g. per-player
		2152	# maps to change the path to ~playername/mappath
1921	sub customise_for {	2153	sub customise_for {
1922	my ($self, $ob) = @_;	2154	my ($self, $ob) = @_;
1923		2155
1924	return find "~" . $ob->name . "/" . $self->{path}	2156	return find "~" . $ob->name . "/" . $self->{path}
1925	if $self->per_player;	2157	if $self->per_player;
…		…
1929		2161
1930	$self	2162	$self
1931	}	2163	}
1932		2164
1933	# find and load all maps in the 3x3 area around a map	2165	# find and load all maps in the 3x3 area around a map
1934	sub load_diag {	2166	sub load_neighbours {
1935	my ($map) = @_;	2167	my ($map) = @_;
1936		2168
1937	my @diag; # diagonal neighbours	2169	my @neigh; # diagonal neighbours
1938		2170
1939	for (0 .. 3) {	2171	for (0 .. 3) {
1940	my $neigh = $map->tile_path ($_)	2172	my $neigh = $map->tile_path ($_)
1941	or next;	2173	or next;
1942	$neigh = find $neigh, $map	2174	$neigh = find $neigh, $map
1943	or next;	2175	or next;
1944	$neigh->load;	2176	$neigh->load;
1945		2177
		2178	# now find the diagonal neighbours
		2179	push @neigh,
1946	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2180	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1947	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2181	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1948	}	2182	}
1949		2183
1950	for (@diag) {	2184	for (grep defined $_->[0], @neigh) {
		2185	my ($path, $origin) = @$_;
1951	my $neigh = find @$_	2186	my $neigh = find $path, $origin
1952	or next;	2187	or next;
1953	$neigh->load;	2188	$neigh->load;
1954	}	2189	}
1955	}	2190	}
1956		2191
…		…
1961	}	2196	}
1962		2197
1963	sub do_load_sync {	2198	sub do_load_sync {
1964	my ($map) = @_;	2199	my ($map) = @_;
1965		2200
		2201	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2202	if $Coro::current == $Coro::main;
		2203
1966	cf::sync_job { $map->load };	2204	cf::sync_job { $map->load };
1967	}	2205	}
1968		2206
1969	our %MAP_PREFETCH;	2207	our %MAP_PREFETCH;
1970	our $MAP_PREFETCHER = undef;	2208	our $MAP_PREFETCHER = undef;
1971		2209
1972	sub find_async {	2210	sub find_async {
1973	my ($path, $origin) = @_;	2211	my ($path, $origin, $load) = @_;
1974		2212
1975	$path = normalise $path, $origin && $origin->{path};	2213	$path = normalise $path, $origin && $origin->{path};
1976		2214
1977	if (my $map = $cf::MAP{$path}) {	2215	if (my $map = $cf::MAP{$path}) {
1978	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2216	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1979	}	2217	}
1980		2218
1981	undef $MAP_PREFETCH{$path};	2219	$MAP_PREFETCH{$path} |= $load;
		2220
1982	$MAP_PREFETCHER ||= cf::async {	2221	$MAP_PREFETCHER ||= cf::async {
		2222	$Coro::current->{desc} = "map prefetcher";
		2223
1983	while (%MAP_PREFETCH) {	2224	while (%MAP_PREFETCH) {
1984	for my $path (keys %MAP_PREFETCH) {	2225	while (my ($k, $v) = each %MAP_PREFETCH) {
1985	if (my $map = find $path) {	2226	if (my $map = find $k) {
1986	$map->load;	2227	$map->load if $v;
1987	}	2228	}
1988		2229
1989	delete $MAP_PREFETCH{$path};	2230	delete $MAP_PREFETCH{$k};
1990	}	2231	}
1991	}	2232	}
1992	undef $MAP_PREFETCHER;	2233	undef $MAP_PREFETCHER;
1993	};	2234	};
1994	$MAP_PREFETCHER->prio (6);	2235	$MAP_PREFETCHER->prio (6);
1995		2236
1996	()	2237	()
1997	}	2238	}
1998		2239
		2240	# common code, used by both ->save and ->swapout
1999	sub save {	2241	sub _save {
2000	my ($self) = @_;	2242	my ($self) = @_;
2001
2002	my $lock = cf::lock_acquire "map_data:" . $self->path;
2003		2243
2004	$self->{last_save} = $cf::RUNTIME;	2244	$self->{last_save} = $cf::RUNTIME;
2005		2245
2006	return unless $self->dirty;	2246	return unless $self->dirty;
2007		2247
…		…
2013	return if $self->{deny_save};	2253	return if $self->{deny_save};
2014		2254
2015	local $self->{last_access} = $self->last_access;#d#	2255	local $self->{last_access} = $self->last_access;#d#
2016		2256
2017	cf::async {	2257	cf::async {
		2258	$Coro::current->{desc} = "map player save";
2018	$_->contr->save for $self->players;	2259	$_->contr->save for $self->players;
2019	};	2260	};
		2261
		2262	cf::get_slot 0.02;
2020		2263
2021	if ($uniq) {	2264	if ($uniq) {
2022	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2265	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2023	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2266	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2024	} else {	2267	} else {
2025	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2268	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2026	}	2269	}
2027	}	2270	}
2028		2271
		2272	sub save {
		2273	my ($self) = @_;
		2274
		2275	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2276
		2277	$self->_save;
		2278	}
		2279
2029	sub swap_out {	2280	sub swap_out {
2030	my ($self) = @_;	2281	my ($self) = @_;
2031		2282
2032	# save first because save cedes
2033	$self->save;
2034
2035	my $lock = cf::lock_acquire "map_data:" . $self->path;	2283	my $lock = cf::lock_acquire "map_data:$self->{path}";
2036		2284
		2285	return if $self->in_memory != cf::MAP_ACTIVE;
		2286	return if $self->{deny_save};
2037	return if $self->players;	2287	return if $self->players;
2038	return if $self->in_memory != cf::MAP_IN_MEMORY;
2039	return if $self->{deny_save};
2040		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
2041	$self->clear;	2298	$self->clear;
2042	$self->in_memory (cf::MAP_SWAPPED);
2043	}	2299	}
2044		2300
2045	sub reset_at {	2301	sub reset_at {
2046	my ($self) = @_;	2302	my ($self) = @_;
2047		2303
…		…
2065		2321
2066	my $lock = cf::lock_acquire "map_data:$self->{path}";	2322	my $lock = cf::lock_acquire "map_data:$self->{path}";
2067		2323
2068	return if $self->players;	2324	return if $self->players;
2069		2325
2070	warn "resetting map ", $self->path;	2326	cf::trace "resetting map ", $self->path, "\n";
2071		2327
2072	$self->in_memory (cf::MAP_SWAPPED);	2328	$self->in_memory (cf::MAP_SWAPPED);
2073		2329
2074	# need to save uniques path	2330	# need to save uniques path
2075	unless ($self->{deny_save}) {	2331	unless ($self->{deny_save}) {
…		…
2079	if $uniq;	2335	if $uniq;
2080	}	2336	}
2081		2337
2082	delete $cf::MAP{$self->path};	2338	delete $cf::MAP{$self->path};
2083		2339
		2340	$self->deactivate;
		2341	$_->clear_links_to ($self) for values %cf::MAP;
2084	$self->clear;	2342	$self->clear;
2085
2086	$_->clear_links_to ($self) for values %cf::MAP;
2087		2343
2088	$self->unlink_save;	2344	$self->unlink_save;
2089	$self->destroy;	2345	$self->destroy;
2090	}	2346	}
2091		2347
2092	my $nuke_counter = "aaaa";	2348	my $nuke_counter = "aaaa";
2093		2349
2094	sub nuke {	2350	sub nuke {
2095	my ($self) = @_;	2351	my ($self) = @_;
2096		2352
		2353	{
		2354	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2355
2097	delete $cf::MAP{$self->path};	2356	delete $cf::MAP{$self->path};
2098		2357
2099	$self->unlink_save;	2358	$self->unlink_save;
2100		2359
2101	bless $self, "cf::map";	2360	bless $self, "cf::map::wrap";
2102	delete $self->{deny_reset};	2361	delete $self->{deny_reset};
2103	$self->{deny_save} = 1;	2362	$self->{deny_save} = 1;
2104	$self->reset_timeout (1);	2363	$self->reset_timeout (1);
2105	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2364	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2106		2365
2107	$cf::MAP{$self->path} = $self;	2366	$cf::MAP{$self->path} = $self;
		2367	}
2108		2368
2109	$self->reset; # polite request, might not happen	2369	$self->reset; # polite request, might not happen
2110	}	2370	}
2111		2371
2112	=item $maps = cf::map::tmp_maps	2372	=item $maps = cf::map::tmp_maps
…		…
2154		2414
2155	sub unique_maps() {	2415	sub unique_maps() {
2156	[	2416	[
2157	map {	2417	map {
2158	utf8::decode $_;	2418	utf8::decode $_;
2159	/\.map$/	2419	s/\.map$//; # TODO future compatibility hack
		2420	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2421	? ()
2160	? normalise $_	2422	: normalise $_
2161	: ()
2162	} @{ aio_readdir $UNIQUEDIR or [] }	2423	} @{ aio_readdir $UNIQUEDIR or [] }
2163	]	2424	]
2164	}	2425	}
2165		2426
2166	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	}
2167		2458
2168	=back	2459	=back
2169		2460
2170	=head3 cf::object	2461	=head3 cf::object
2171		2462
…		…
2175		2466
2176	=over 4	2467	=over 4
2177		2468
2178	=item $ob->inv_recursive	2469	=item $ob->inv_recursive
2179		2470
2180	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.
2181		2473
2182	=cut	2474	=cut
2183		2475
2184	sub inv_recursive_;	2476	sub inv_recursive_;
2185	sub inv_recursive_ {	2477	sub inv_recursive_ {
…		…
2188		2480
2189	sub inv_recursive {	2481	sub inv_recursive {
2190	inv_recursive_ inv $_[0]	2482	inv_recursive_ inv $_[0]
2191	}	2483	}
2192		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
2193	package cf;	2513	package cf;
2194		2514
2195	=back	2515	=back
2196		2516
2197	=head3 cf::object::player	2517	=head3 cf::object::player
…		…
2203	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>
2204	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
2205	dialogue with the given NPC character.	2525	dialogue with the given NPC character.
2206		2526
2207	=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	};
2208		2542
2209	# rough implementation of a future "reply" method that works	2543	# rough implementation of a future "reply" method that works
2210	# with dialog boxes.	2544	# with dialog boxes.
2211	#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
2212	sub cf::object::player::reply($$$;$) {	2546	sub cf::object::player::reply($$$;$) {
…		…
2219		2553
2220	} else {	2554	} else {
2221	my $pl = $self->contr;	2555	my $pl = $self->contr;
2222		2556
2223	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2557	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2224	my $diag = $pl->{npc_dialog};	2558	my $dialog = $pl->{npc_dialog};
2225	$diag->{pl}->ext_reply (	2559	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2226	$diag->{id},
2227	msgtype => "reply",
2228	msg => $diag->{pl}->expand_cfpod ($msg),
2229	add_topics => []
2230	);
2231		2560
2232	} else {	2561	} else {
2233	$msg = $npc->name . " says: $msg" if $npc;	2562	$msg = $npc->name . " says: $msg" if $npc;
2234	$self->message ($msg, $flags);	2563	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2235	}	2564	}
2236	}	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 (@_);
2237	}	2576	}
2238		2577
2239	=item $player_object->may ("access")	2578	=item $player_object->may ("access")
2240		2579
2241	Returns wether the given player is authorized to access resource "access"	2580	Returns wether the given player is authorized to access resource "access"
…		…
2254		2593
2255	=item $player_object->enter_link	2594	=item $player_object->enter_link
2256		2595
2257	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}>).
2258		2597
2259	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.
2260	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.
2261		2602
2262	Will never block.	2603	Will never block.
2263		2604
2264	=item $player_object->leave_link ($map, $x, $y)	2605	=item $player_object->leave_link ($map, $x, $y)
2265		2606
…		…
2285	sub cf::object::player::enter_link {	2626	sub cf::object::player::enter_link {
2286	my ($self) = @_;	2627	my ($self) = @_;
2287		2628
2288	$self->deactivate_recursive;	2629	$self->deactivate_recursive;
2289		2630
		2631	++$self->{_link_recursion};
		2632
2290	return if UNIVERSAL::isa $self->map, "ext::map_link";	2633	return if UNIVERSAL::isa $self->map, "ext::map_link";
2291		2634
2292	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2635	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2293	if $self->map && $self->map->{path} ne "{link}";	2636	if $self->map && $self->map->{path} ne "{link}";
2294		2637
2295	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2638	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2296	}	2639	}
2297		2640
2298	sub cf::object::player::leave_link {	2641	sub cf::object::player::leave_link {
2299	my ($self, $map, $x, $y) = @_;	2642	my ($self, $map, $x, $y) = @_;
2300		2643
…		…
2317	($x, $y) = (-1, -1)	2660	($x, $y) = (-1, -1)
2318	unless (defined $x) && (defined $y);	2661	unless (defined $x) && (defined $y);
2319		2662
2320	# use -1 or undef as default coordinates, not 0, 0	2663	# use -1 or undef as default coordinates, not 0, 0
2321	($x, $y) = ($map->enter_x, $map->enter_y)	2664	($x, $y) = ($map->enter_x, $map->enter_y)
2322	if $x <=0 && $y <= 0;	2665	if $x <= 0 && $y <= 0;
2323		2666
2324	$map->load;	2667	$map->load;
2325	$map->load_diag;	2668	$map->load_neighbours;
2326		2669
2327	return unless $self->contr->active;	2670	return unless $self->contr->active;
2328	$self->activate_recursive;
2329		2671
2330	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2672	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2331	$self->enter_map ($map, $x, $y);	2673	if ($self->enter_map ($map, $x, $y)) {
2332	}	2674	# entering was successful
		2675	delete $self->{_link_recursion};
		2676	# only activate afterwards, to support waiting in hooks
		2677	$self->activate_recursive;
		2678	}
2333		2679
		2680	}
		2681
2334	=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)]])
2335		2683
2336	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
2337	her, loading and preparing them map, calling the provided $check callback	2685	her, loading and preparing them map, calling the provided $check callback
2338	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
2339	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
2340	be called at the end of this process.	2688	be called at the end of this process.
2341		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
2342	=cut	2693	=cut
2343		2694
2344	our $GOTOGEN;	2695	our $GOTOGEN;
2345		2696
2346	sub cf::object::player::goto {	2697	sub cf::object::player::goto {
2347	my ($self, $path, $x, $y, $check, $done) = @_;	2698	my ($self, $path, $x, $y, $check, $done) = @_;
2348		2699
		2700	if ($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
2349	# 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
2350	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2707	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2351		2708
2352	$self->enter_link;	2709	$self->enter_link;
2353		2710
2354	(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
2355	my $map = eval {	2733	my $map = eval {
2356	my $map = cf::map::find $path;	2734	my $map = defined $path ? cf::map::find $path : undef;
2357		2735
2358	if ($map) {	2736	if ($map) {
2359	$map = $map->customise_for ($self);	2737	$map = $map->customise_for ($self);
2360	$map = $check->($map) if $check && $map;	2738	$map = $check->($map, $x, $y, $self) if $check && $map;
2361	} else {	2739	} else {
2362	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2740	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2363	}	2741	}
2364		2742
2365	$map	2743	$map
2366	};	2744	};
2367		2745
…		…
2373	if ($gen == $self->{_goto_generation}) {	2751	if ($gen == $self->{_goto_generation}) {
2374	delete $self->{_goto_generation};	2752	delete $self->{_goto_generation};
2375	$self->leave_link ($map, $x, $y);	2753	$self->leave_link ($map, $x, $y);
2376	}	2754	}
2377		2755
2378	$done->() if $done;	2756	$done->($self) if $done;
2379	})->prio (1);	2757	})->prio (1);
2380	}	2758	}
2381		2759
2382	=item $player_object->enter_exit ($exit_object)	2760	=item $player_object->enter_exit ($exit_object)
2383		2761
…		…
2403	}	2781	}
2404		2782
2405	sub prepare_random_map {	2783	sub prepare_random_map {
2406	my ($exit) = @_;	2784	my ($exit) = @_;
2407		2785
2408	my $guard = cf::lock_acquire "exit_prepare:$exit";
2409
2410	# all this does is basically replace the /! path by	2786	# all this does is basically replace the /! path by
2411	# a new random map path (?random/...) with a seed	2787	# a new random map path (?random/...) with a seed
2412	# that depends on the exit object	2788	# that depends on the exit object
2413		2789
2414	my $rmp = parse_random_map_params $exit->msg;	2790	my $rmp = parse_random_map_params $exit->msg;
…		…
2416	if ($exit->map) {	2792	if ($exit->map) {
2417	$rmp->{region} = $exit->region->name;	2793	$rmp->{region} = $exit->region->name;
2418	$rmp->{origin_map} = $exit->map->path;	2794	$rmp->{origin_map} = $exit->map->path;
2419	$rmp->{origin_x} = $exit->x;	2795	$rmp->{origin_x} = $exit->x;
2420	$rmp->{origin_y} = $exit->y;	2796	$rmp->{origin_y} = $exit->y;
		2797
		2798	$exit->map->touch;
2421	}	2799	}
2422		2800
2423	$rmp->{random_seed} ||= $exit->random_seed;	2801	$rmp->{random_seed} ||= $exit->random_seed;
2424		2802
2425	my $data = cf::to_json $rmp;	2803	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2426	my $md5 = Digest::MD5::md5_hex $data;	2804	my $md5 = Digest::MD5::md5_hex $data;
2427	my $meta = "$RANDOMDIR/$md5.meta";	2805	my $meta = "$RANDOMDIR/$md5.meta";
2428		2806
2429	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2807	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2430	aio_write $fh, 0, (length $data), $data, 0;	2808	aio_write $fh, 0, (length $data), $data, 0;
2431	undef $fh;	2809	undef $fh;
2432	aio_rename "$meta~", $meta;	2810	aio_rename "$meta~", $meta;
2433		2811
		2812	my $slaying = "?random/$md5";
		2813
		2814	if ($exit->valid) {
2434	$exit->slaying ("?random/$md5");	2815	$exit->slaying ("?random/$md5");
2435	$exit->msg (undef);	2816	$exit->msg (undef);
		2817	}
2436	}	2818	}
2437	}	2819	}
2438		2820
2439	sub cf::object::player::enter_exit {	2821	sub cf::object::player::enter_exit {
2440	my ($self, $exit) = @_;	2822	my ($self, $exit) = @_;
2441		2823
2442	return unless $self->type == cf::PLAYER;	2824	return unless $self->type == cf::PLAYER;
2443		2825
2444	if ($exit->slaying eq "/!") {
2445	#TODO: this should de-fi-ni-te-ly not be a sync-job
2446	# the problem is that $exit might not survive long enough
2447	# so it needs to be done right now, right here
2448	cf::sync_job { prepare_random_map $exit };
2449	}
2450
2451	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2452	my $hp = $exit->stats->hp;
2453	my $sp = $exit->stats->sp;
2454
2455	$self->enter_link;	2826	$self->enter_link;
2456		2827
2457	# if exit is damned, update players death & WoR home-position
2458	$self->contr->savebed ($slaying, $hp, $sp)
2459	if $exit->flag (FLAG_DAMNED);
2460
2461	(async {	2828	(async {
2462	$self->deactivate_recursive; # just to be sure	2829	$Coro::current->{desc} = "enter_exit";
		2830
2463	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
2464	$self->goto ($slaying, $hp, $sp);	2846	$self->goto ($map, $x, $y);
2465		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
2466	1;	2852	1
2467	}) {	2853	}) {
2468	$self->message ("Something went wrong deep within the crossfire server. "	2854	$self->message ("Something went wrong deep within the deliantra server. "
2469	. "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. "
2470	. "Please report this to the dungeon master!",	2856	. "Please report this to the dungeon master!",
2471	cf::NDI_UNIQUE | cf::NDI_RED);	2857	cf::NDI_UNIQUE | cf::NDI_RED);
2472		2858
2473	warn "ERROR in enter_exit: $@";	2859	error "ERROR in enter_exit: $@";
2474	$self->leave_link;	2860	$self->leave_link;
2475	}	2861	}
2476	})->prio (1);	2862	})->prio (1);
2477	}	2863	}
2478		2864
…		…
2490	sub cf::client::send_drawinfo {	2876	sub cf::client::send_drawinfo {
2491	my ($self, $text, $flags) = @_;	2877	my ($self, $text, $flags) = @_;
2492		2878
2493	utf8::encode $text;	2879	utf8::encode $text;
2494	$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);
2495	}	2906	}
2496		2907
2497	=item $client->send_msg ($channel, $msg, $color, [extra...])	2908	=item $client->send_msg ($channel, $msg, $color, [extra...])
2498		2909
2499	Send a drawinfo or msg packet to the client, formatting the msg for the	2910	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2501	the message, with C<log> being the default. If C<$color> is negative, suppress	2912	the message, with C<log> being the default. If C<$color> is negative, suppress
2502	the message unless the client supports the msg packet.	2913	the message unless the client supports the msg packet.
2503		2914
2504	=cut	2915	=cut
2505		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" => $CHAT_CHANNEL,
		3029	);
		3030
2506	sub cf::client::send_msg {	3031	sub cf::client::send_msg {
2507	my ($self, $channel, $msg, $color, @extra) = @_;	3032	my ($self, $channel, $msg, $color, @extra) = @_;
2508		3033
2509	$msg = $self->pl->expand_cfpod ($msg);	3034	$msg = $self->pl->expand_cfpod ($msg)
		3035	unless $color & cf::NDI_VERBATIM;
2510		3036
2511	$color &= ~cf::NDI_UNIQUE; # just in case...	3037	$color &= cf::NDI_CLIENT_MASK; # just in case...
2512		3038
		3039	# check predefined channels, for the benefit of C
		3040	if ($CHANNEL{$channel}) {
		3041	$channel = $CHANNEL{$channel};
		3042
		3043	$self->ext_msg (channel_info => $channel);
		3044	$channel = $channel->{id};
		3045
2513	if (ref $channel) {	3046	} elsif (ref $channel) {
2514	# send meta info to client, if not yet sent	3047	# send meta info to client, if not yet sent
2515	unless (exists $self->{channel}{$channel->{id}}) {	3048	unless (exists $self->{channel}{$channel->{id}}) {
2516	$self->{channel}{$channel->{id}} = $channel;	3049	$self->{channel}{$channel->{id}} = $channel;
2517	$self->ext_event (channel_info => %$channel);	3050	$self->ext_msg (channel_info => $channel);
2518	}	3051	}
2519		3052
2520	$channel = $channel->{id};	3053	$channel = $channel->{id};
2521	}	3054	}
2522		3055
2523	return unless @extra || length $msg;	3056	return unless @extra || length $msg;
2524		3057
2525	if ($self->can_msg) {	3058	# default colour, mask it out
2526	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));	3059	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2527	} else {	3060	if $color & cf::NDI_DEF;
2528	# replace some tags by gcfclient-compatible ones
2529	for ($msg) {
2530	1 while
2531	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2532	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2533	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2534	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2535	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2536	}
2537		3061
2538	if ($color >= 0) {	3062	my $pkt = "msg "
2539	if (0 && $msg =~ /\[/) {	3063	. $self->{json_coder}->encode (
2540	$self->send_packet ("drawextinfo $color 4 0 $msg")	3064	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2541	} else {	3065	);
2542	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2543	$self->send_packet ("drawinfo $color $msg")
2544	}
2545	}
2546	}
2547	}
2548		3066
		3067	$self->send_big_packet ($pkt);
		3068	}
		3069
2549	=item $client->ext_event ($type, %msg)	3070	=item $client->ext_msg ($type, @msg)
2550		3071
2551	Sends an ext event to the client.	3072	Sends an ext event to the client.
2552		3073
2553	=cut	3074	=cut
2554		3075
2555	sub cf::client::ext_event($$%) {	3076	sub cf::client::ext_msg($$@) {
2556	my ($self, $type, %msg) = @_;	3077	my ($self, $type, @msg) = @_;
2557		3078
2558	return unless $self->extcmd;	3079	if ($self->extcmd == 2) {
2559		3080	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3081	} elsif ($self->extcmd == 1) { # TODO: remove
2560	$msg{msgtype} = "event_$type";	3082	push @msg, msgtype => "event_$type";
2561	$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	}
2562	}	3103	}
2563		3104
2564	=item $success = $client->query ($flags, "text", \&cb)	3105	=item $success = $client->query ($flags, "text", \&cb)
2565		3106
2566	Queues a query to the client, calling the given callback with	3107	Queues a query to the client, calling the given callback with
…		…
2621	my ($ns, $buf) = @_;	3162	my ($ns, $buf) = @_;
2622		3163
2623	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3164	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2624		3165
2625	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
2626	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3174	if (my $cb = $EXTICMD{$type}) {
2627	if (my %reply = $cb->($ns, $msg)) {	3175	@reply = $cb->($ns, @payload);
2628	$reply{msgid} = $msg->{msgid};
2629	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2630	}
2631	}	3176	}
		3177
		3178	$ns->ext_reply ($reply, @reply)
		3179	if $reply;
		3180
2632	} else {	3181	} else {
2633	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";
2634	}	3183	}
2635		3184
2636	cf::override;	3185	cf::override;
2637	},	3186	},
2638	);	3187	);
…		…
2658		3207
2659	$coro	3208	$coro
2660	}	3209	}
2661		3210
2662	cf::client->attach (	3211	cf::client->attach (
2663	on_destroy => sub {	3212	on_client_destroy => sub {
2664	my ($ns) = @_;	3213	my ($ns) = @_;
2665		3214
2666	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3215	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2667	},	3216	},
2668	);	3217	);
…		…
2683	our $safe = new Safe "safe";	3232	our $safe = new Safe "safe";
2684	our $safe_hole = new Safe::Hole;	3233	our $safe_hole = new Safe::Hole;
2685		3234
2686	$SIG{FPE} = 'IGNORE';	3235	$SIG{FPE} = 'IGNORE';
2687		3236
2688	$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	));
2689		3242
2690	# here we export the classes and methods available to script code	3243	# here we export the classes and methods available to script code
2691		3244
2692	=pod	3245	=pod
2693		3246
2694	The following functions and methods are available within a safe environment:	3247	The following functions and methods are available within a safe environment:
2695		3248
2696	cf::object	3249	cf::object
2697	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
2698	insert remove	3251	insert remove name archname title slaying race decrease split
		3252	value
2699		3253
2700	cf::object::player	3254	cf::object::player
2701	player	3255	player
2702		3256
2703	cf::player	3257	cf::player
…		…
2708		3262
2709	=cut	3263	=cut
2710		3264
2711	for (	3265	for (
2712	["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
2713	insert remove)],	3267	insert remove inv nrof name archname title slaying race
		3268	decrease split destroy change_exp value msg lore send_msg)],
2714	["cf::object::player" => qw(player)],	3269	["cf::object::player" => qw(player)],
2715	["cf::player" => qw(peaceful)],	3270	["cf::player" => qw(peaceful send_msg)],
2716	["cf::map" => qw(trigger)],	3271	["cf::map" => qw(trigger)],
2717	) {	3272	) {
2718	no strict 'refs';	3273	no strict 'refs';
2719	my ($pkg, @funs) = @$_;	3274	my ($pkg, @funs) = @$_;
2720	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3275	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2738		3293
2739	my $qcode = $code;	3294	my $qcode = $code;
2740	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3295	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2741	$qcode =~ s/\n/\\n/g;	3296	$qcode =~ s/\n/\\n/g;
2742		3297
		3298	%vars = (_dummy => 0) unless %vars;
		3299
		3300	my @res;
2743	local $_;	3301	local $_;
2744	local @safe::cf::_safe_eval_args = values %vars;
2745		3302
2746	my $eval =	3303	my $eval =
2747	"do {\n"	3304	"do {\n"
2748	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3305	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2749	. "#line 0 \"{$qcode}\"\n"	3306	. "#line 0 \"{$qcode}\"\n"
2750	. $code	3307	. $code
2751	. "\n}"	3308	. "\n}"
2752	;	3309	;
2753		3310
		3311	if ($CFG{safe_eval}) {
2754	sub_generation_inc;	3312	sub_generation_inc;
		3313	local @safe::cf::_safe_eval_args = values %vars;
2755	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3314	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2756	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	}
2757		3320
2758	if ($@) {	3321	if ($@) {
2759	warn "$@";	3322	warn "$@",
2760	warn "while executing safe code '$code'\n";	3323	"while executing safe code '$code'\n",
2761	warn "with arguments " . (join " ", %vars) . "\n";	3324	"with arguments " . (join " ", %vars) . "\n";
2762	}	3325	}
2763		3326
2764	wantarray ? @res : $res[0]	3327	wantarray ? @res : $res[0]
2765	}	3328	}
2766		3329
…		…
2780	=cut	3343	=cut
2781		3344
2782	sub register_script_function {	3345	sub register_script_function {
2783	my ($fun, $cb) = @_;	3346	my ($fun, $cb) = @_;
2784		3347
2785	no strict 'refs';	3348	$fun = "safe::$fun" if $CFG{safe_eval};
2786	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3349	*$fun = $safe_hole->wrap ($cb);
2787	}	3350	}
2788		3351
2789	=back	3352	=back
2790		3353
2791	=cut	3354	=cut
…		…
2794	# the server's init and main functions	3357	# the server's init and main functions
2795		3358
2796	sub load_facedata($) {	3359	sub load_facedata($) {
2797	my ($path) = @_;	3360	my ($path) = @_;
2798		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
2799	warn "loading facedata from $path\n";	3368	trace "loading facedata from $path\n";
2800		3369
2801	my $facedata;	3370	my $facedata;
2802	0 < aio_load $path, $facedata	3371	0 < aio_load $path, $facedata
2803	or die "$path: $!";	3372	or die "$path: $!";
2804		3373
2805	$facedata = Coro::Storable::thaw $facedata;	3374	$facedata = Coro::Storable::thaw $facedata;
2806		3375
2807	$facedata->{version} == 2	3376	$facedata->{version} == 2
2808	or cf::cleanup "$path: version mismatch, cannot proceed.";	3377	or cf::cleanup "$path: version mismatch, cannot proceed.";
2809		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
2810	{	3388	{
2811	my $faces = $facedata->{faceinfo};	3389	my $faces = $facedata->{faceinfo};
2812		3390
2813	while (my ($face, $info) = each %$faces) {	3391	while (my ($face, $info) = each %$faces) {
2814	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3392	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3393
2815	cf::face::set_visibility $idx, $info->{visibility};	3394	cf::face::set_visibility $idx, $info->{visibility};
2816	cf::face::set_magicmap $idx, $info->{magicmap};	3395	cf::face::set_magicmap $idx, $info->{magicmap};
2817	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3396	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2818	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3397	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2819		3398
2820	cf::cede_to_tick;	3399	cf::cede_to_tick;
2821	}	3400	}
2822		3401
2823	while (my ($face, $info) = each %$faces) {	3402	while (my ($face, $info) = each %$faces) {
2824	next unless $info->{smooth};	3403	next unless $info->{smooth};
		3404
2825	my $idx = cf::face::find $face	3405	my $idx = cf::face::find $face
2826	or next;	3406	or next;
		3407
2827	if (my $smooth = cf::face::find $info->{smooth}) {	3408	if (my $smooth = cf::face::find $info->{smooth}) {
2828	cf::face::set_smooth $idx, $smooth;	3409	cf::face::set_smooth $idx, $smooth;
2829	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3410	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2830	} else {	3411	} else {
2831	warn "smooth face '$info->{smooth}' not found for face '$face'";	3412	error "smooth face '$info->{smooth}' not found for face '$face'";
2832	}	3413	}
2833		3414
2834	cf::cede_to_tick;	3415	cf::cede_to_tick;
2835	}	3416	}
2836	}	3417	}
…		…
2845		3426
2846	cf::anim::invalidate_all; # d'oh	3427	cf::anim::invalidate_all; # d'oh
2847	}	3428	}
2848		3429
2849	{	3430	{
2850	# TODO: for gcfclient pleasure, we should give resources
2851	# that gcfclient doesn't grok a >10000 face index.
2852	my $res = $facedata->{resource};	3431	my $res = $facedata->{resource};
2853	my $enc = JSON::XS->new->utf8->canonical;
2854		3432
2855	while (my ($name, $info) = each %$res) {	3433	while (my ($name, $info) = each %$res) {
2856	my $meta = $enc->encode ({	3434	if (defined $info->{type}) {
2857	name => $name,
2858	type => $info->{type},
2859	copyright => $info->{copyright}, #TODO#
2860	});
2861
2862	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3435	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2863		3436
2864	if ($name =~ /\.jpg$/) {
2865	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack	3437	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
2866	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack	3438	cf::face::set_type $idx, $info->{type};
2867	} else {	3439	} else {
2868	my $data = pack "(w/a*)*", $meta, $info->{data};	3440	$RESOURCE{$name} = $info; # unused
2869	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2870
2871	cf::face::set_type $idx, 1;
2872	cf::face::set_data $idx, 0, $data, $chk;
2873	}	3441	}
2874		3442
2875	cf::cede_to_tick;	3443	cf::cede_to_tick;
2876	}	3444	}
2877	}	3445	}
2878		3446
		3447	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3448
2879	1	3449	1
2880	}	3450	}
2881		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
2882	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
2883	load_resource_file "$MAPDIR/regions"	3475	load_resource_file "$MAPDIR/regions"
2884	or die "unable to load regions file\n";	3476	or die "unable to load regions file\n";
2885		3477
2886	for (cf::region::list) {	3478	for (cf::region::list) {
2887	$_->{match} = qr/$_->{match}/	3479	$_->{match} = qr/$_->{match}/
…		…
2895	}	3487	}
2896		3488
2897	sub reload_archetypes {	3489	sub reload_archetypes {
2898	load_resource_file "$DATADIR/archetypes"	3490	load_resource_file "$DATADIR/archetypes"
2899	or die "unable to load archetypes\n";	3491	or die "unable to load archetypes\n";
2900	#d# NEED to laod twice to resolve forward references
2901	# this really needs to be done in an extra post-pass
2902	# (which needs to be synchronous, so solve it differently)
2903	load_resource_file "$DATADIR/archetypes"
2904	or die "unable to load archetypes\n";
2905	}	3492	}
2906		3493
2907	sub reload_treasures {	3494	sub reload_treasures {
2908	load_resource_file "$DATADIR/treasures"	3495	load_resource_file "$DATADIR/treasures"
2909	or die "unable to load treasurelists\n";	3496	or die "unable to load treasurelists\n";
2910	}	3497	}
2911		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
2912	sub reload_resources {	3522	sub reload_resources {
2913	warn "reloading resource files...\n";	3523	trace "reloading resource files...\n";
2914		3524
		3525	reload_facedata;
		3526	reload_sound;
		3527	reload_archetypes;
2915	reload_regions;	3528	reload_regions;
2916	reload_facedata;
2917	#reload_archetypes;#d#
2918	reload_archetypes;
2919	reload_treasures;	3529	reload_treasures;
2920		3530
2921	warn "finished reloading resource files\n";	3531	trace "finished reloading resource files\n";
2922	}	3532	}
2923		3533
2924	sub init {	3534	sub reload_config {
2925	reload_resources;	3535	trace "reloading config file...\n";
2926	}
2927		3536
2928	sub cfg_load {
2929	open my $fh, "<:utf8", "$CONFDIR/config"	3537	open my $fh, "<:utf8", "$CONFDIR/config"
2930	or return;	3538	or return;
2931		3539
2932	local $/;	3540	local $/;
2933	*CFG = YAML::Syck::Load <$fh>;	3541	*CFG = YAML::XS::Load scalar <$fh>;
2934		3542
2935	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3543	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2936		3544
2937	$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};
2938	$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};
2939		3547
2940	if (exists $CFG{mlockall}) {	3548	if (exists $CFG{mlockall}) {
…		…
2942	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3550	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2943	and die "WARNING: m(un)lockall failed: $!\n";	3551	and die "WARNING: m(un)lockall failed: $!\n";
2944	};	3552	};
2945	warn $@ if $@;	3553	warn $@ if $@;
2946	}	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;
2947	}	3585	}
2948		3586
2949	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
2950	# we must not ever block the main coroutine	3597	# we must not ever block the main coroutine
2951	local $Coro::idle = sub {	3598	local $Coro::idle = sub {
2952	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#
2953	(async {	3600	(async {
2954	Event::one_event;	3601	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3602	EV::loop EV::LOOP_ONESHOT;
2955	})->prio (Coro::PRIO_MAX);	3603	})->prio (Coro::PRIO_MAX);
2956	};	3604	};
2957		3605
2958	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;
2959	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
2960	load_extensions;	3629	load_extensions;
2961		3630
2962	$TICK_WATCHER->start;	3631	utime time, time, $RUNTIMEFILE;
2963	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;
2964	}	3644	}
2965		3645
2966	#############################################################################	3646	#############################################################################
2967	# initialisation and cleanup	3647	# initialisation and cleanup
2968		3648
2969	# install some emergency cleanup handlers	3649	# install some emergency cleanup handlers
2970	BEGIN {	3650	BEGIN {
		3651	our %SIGWATCHER = ();
2971	for my $signal (qw(INT HUP TERM)) {	3652	for my $signal (qw(INT HUP TERM)) {
2972	Event->signal (	3653	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2973	reentrant => 0,
2974	data => WF_AUTOCANCEL,
2975	signal => $signal,
2976	prio => 0,
2977	cb => sub {
2978	cf::cleanup "SIG$signal";	3654	cf::cleanup "SIG$signal";
2979	},
2980	);	3655	};
2981	}	3656	}
2982	}	3657	}
2983		3658
2984	sub write_runtime {	3659	sub write_runtime_sync {
2985	my $runtime = "$LOCALDIR/runtime";	3660	my $t0 = AE::time;
2986		3661
2987	# first touch the runtime file to show we are still running:	3662	# first touch the runtime file to show we are still running:
2988	# the fsync below can take a very very long time.	3663	# the fsync below can take a very very long time.
2989		3664
2990	IO::AIO::aio_utime $runtime, undef, undef;	3665	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2991		3666
2992	my $guard = cf::lock_acquire "write_runtime";	3667	my $guard = cf::lock_acquire "write_runtime";
2993		3668
2994	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3669	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2995	or return;	3670	or return;
2996		3671
2997	my $value = $cf::RUNTIME + 90 + 10;	3672	my $value = $cf::RUNTIME + 90 + 10;
2998	# 10 is the runtime save interval, for a monotonic clock	3673	# 10 is the runtime save interval, for a monotonic clock
2999	# 60 allows for the watchdog to kill the server.	3674	# 60 allows for the watchdog to kill the server.
…		…
3009	aio_utime $fh, undef, undef;	3684	aio_utime $fh, undef, undef;
3010		3685
3011	close $fh	3686	close $fh
3012	or return;	3687	or return;
3013		3688
3014	aio_rename "$runtime~", $runtime	3689	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3015	and return;	3690	and return;
3016		3691
3017	warn "runtime file written.\n";	3692	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3018		3693
3019	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 };
3020	}	3745	}
3021		3746
3022	sub emergency_save() {	3747	sub emergency_save() {
3023	my $freeze_guard = cf::freeze_mainloop;	3748	my $freeze_guard = cf::freeze_mainloop;
3024		3749
3025	warn "enter emergency perl save\n";	3750	info "emergency_perl_save: enter\n";
3026		3751
3027	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
3028	# use a peculiar iteration method to avoid tripping on perl	3758	# use a peculiar iteration method to avoid tripping on perl
3029	# refcount bugs in for. also avoids problems with players	3759	# refcount bugs in for. also avoids problems with players
3030	# and maps saved/destroyed asynchronously.	3760	# and maps saved/destroyed asynchronously.
3031	warn "begin emergency player save\n";	3761	info "emergency_perl_save: begin player save\n";
3032	for my $login (keys %cf::PLAYER) {	3762	for my $login (keys %cf::PLAYER) {
3033	my $pl = $cf::PLAYER{$login} or next;	3763	my $pl = $cf::PLAYER{$login} or next;
3034	$pl->valid or next;	3764	$pl->valid or next;
		3765	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3035	$pl->save;	3766	$pl->save;
3036	}	3767	}
3037	warn "end emergency player save\n";	3768	info "emergency_perl_save: end player save\n";
3038		3769
3039	warn "begin emergency map save\n";	3770	info "emergency_perl_save: begin map save\n";
3040	for my $path (keys %cf::MAP) {	3771	for my $path (keys %cf::MAP) {
3041	my $map = $cf::MAP{$path} or next;	3772	my $map = $cf::MAP{$path} or next;
3042	$map->valid or next;	3773	$map->valid or next;
3043	$map->save;	3774	$map->save;
3044	}	3775	}
3045	warn "end emergency map save\n";	3776	info "emergency_perl_save: end map save\n";
3046		3777
3047	warn "begin emergency database checkpoint\n";	3778	info "emergency_perl_save: begin database checkpoint\n";
3048	BDB::db_env_txn_checkpoint $DB_ENV;	3779	BDB::db_env_txn_checkpoint $DB_ENV;
3049	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";
3050	};	3785	};
3051		3786
3052	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";
3053	}	3793	}
3054		3794
3055	sub post_cleanup {	3795	sub post_cleanup {
3056	my ($make_core) = @_;	3796	my ($make_core) = @_;
3057		3797
3058	warn Carp::longmess "post_cleanup backtrace"	3798	error Carp::longmess "post_cleanup backtrace"
3059	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	}
3060	}	3828	}
3061		3829
3062	sub do_reload_perl() {	3830	sub do_reload_perl() {
3063	# can/must only be called in main	3831	# can/must only be called in main
3064	if ($Coro::current != $Coro::main) {	3832	if (in_main) {
3065	warn "can only reload from main coroutine";	3833	error "can only reload from main coroutine";
3066	return;	3834	return;
3067	}	3835	}
3068		3836
		3837	return if $RELOAD++;
		3838
		3839	my $t1 = AE::time;
		3840
		3841	while ($RELOAD) {
3069	warn "reloading...";	3842	info "reloading...";
3070		3843
3071	warn "entering sync_job";	3844	trace "entering sync_job";
3072		3845
3073	cf::sync_job {	3846	cf::sync_job {
3074	cf::write_runtime; # external watchdog should not bark	3847	cf::write_runtime_sync; # external watchdog should not bark
3075	cf::emergency_save;	3848	cf::emergency_save;
3076	cf::write_runtime; # external watchdog should not bark	3849	cf::write_runtime_sync; # external watchdog should not bark
3077		3850
3078	warn "syncing database to disk";	3851	trace "syncing database to disk";
3079	BDB::db_env_txn_checkpoint $DB_ENV;	3852	BDB::db_env_txn_checkpoint $DB_ENV;
3080		3853
3081	# 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
3082		3855
3083	warn "cancelling all WF_AUTOCANCEL watchers";
3084	for (Event::all_watchers) {
3085	$_->cancel if $_->data & WF_AUTOCANCEL;
3086	}
3087
3088	warn "flushing outstanding aio requests";	3856	trace "flushing outstanding aio requests";
3089	for (;;) {
3090	BDB::flush;
3091	IO::AIO::flush;
3092	Coro::cede;
3093	last unless IO::AIO::nreqs || BDB::nreqs;	3857	while (IO::AIO::nreqs || BDB::nreqs) {
3094	warn "iterate...";	3858	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3095	}
3096
3097	++$RELOAD;
3098
3099	warn "cancelling all extension coros";
3100	$_->cancel for values %EXT_CORO;
3101	%EXT_CORO = ();
3102
3103	warn "removing commands";
3104	%COMMAND = ();
3105
3106	warn "removing ext/exti commands";
3107	%EXTCMD = ();
3108	%EXTICMD = ();
3109
3110	warn "unloading/nuking all extensions";
3111	for my $pkg (@EXTS) {
3112	warn "... unloading $pkg";
3113
3114	if (my $cb = $pkg->can ("unload")) {
3115	eval {
3116	$cb->($pkg);
3117	1
3118	} or warn "$pkg unloaded, but with errors: $@";
3119	}	3859	}
3120		3860
3121	warn "... nuking $pkg";	3861	trace "cancelling all extension coros";
3122	Symbol::delete_package $pkg;	3862	$_->cancel for values %EXT_CORO;
3123	}	3863	%EXT_CORO = ();
3124		3864
3125	warn "unloading all perl modules loaded from $LIBDIR";	3865	trace "removing commands";
3126	while (my ($k, $v) = each %INC) {	3866	%COMMAND = ();
3127	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3128		3867
		3868	trace "removing ext/exti commands";
		3869	%EXTCMD = ();
		3870	%EXTICMD = ();
		3871
		3872	trace "unloading/nuking all extensions";
		3873	for my $pkg (@EXTS) {
3129	warn "... unloading $k";	3874	trace "... unloading $pkg";
3130	delete $INC{$k};
3131		3875
3132	$k =~ s/\.pm$//;
3133	$k =~ s/\//::/g;
3134
3135	if (my $cb = $k->can ("unload_module")) {	3876	if (my $cb = $pkg->can ("unload")) {
		3877	eval {
3136	$cb->();	3878	$cb->($pkg);
		3879	1
		3880	} or error "$pkg unloaded, but with errors: $@";
		3881	}
		3882
		3883	trace "... clearing $pkg";
		3884	clear_package $pkg;
3137	}	3885	}
3138		3886
3139	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 $k;
3140	}	3902	}
3141		3903
3142	warn "getting rid of safe::, as good as possible";	3904	trace "getting rid of safe::, as good as possible";
3143	Symbol::delete_package "safe::$_"	3905	clear_package "safe::$_"
3144	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);
3145		3907
3146	warn "unloading cf.pm \"a bit\"";	3908	trace "unloading cf.pm \"a bit\"";
3147	delete $INC{"cf.pm"};	3909	delete $INC{"cf.pm"};
3148	delete $INC{"cf/pod.pm"};	3910	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3149		3911
3150	# don't, removes xs symbols, too,	3912	# don't, removes xs symbols, too,
3151	# and global variables created in xs	3913	# and global variables created in xs
3152	#Symbol::delete_package __PACKAGE__;	3914	#clear_package __PACKAGE__;
3153		3915
3154	warn "unload completed, starting to reload now";	3916	info "unload completed, starting to reload now";
3155		3917
3156	warn "reloading cf.pm";	3918	trace "reloading cf.pm";
3157	require cf;	3919	require cf;
3158	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3920	cf::_connect_to_perl_1;
3159		3921
3160	warn "loading config and database again";	3922	trace "loading config and database again";
3161	cf::cfg_load;	3923	cf::reload_config;
3162		3924
3163	warn "loading extensions";	3925	trace "loading extensions";
3164	cf::load_extensions;	3926	cf::load_extensions;
3165		3927
		3928	if ($REATTACH_ON_RELOAD) {
3166	warn "reattaching attachments to objects/players";	3929	trace "reattaching attachments to objects/players";
3167	_global_reattach; # objects, sockets	3930	_global_reattach; # objects, sockets
3168	warn "reattaching attachments to maps";	3931	trace "reattaching attachments to maps";
3169	reattach $_ for values %MAP;	3932	reattach $_ for values %MAP;
3170	warn "reattaching attachments to players";	3933	trace "reattaching attachments to players";
3171	reattach $_ for values %PLAYER;	3934	reattach $_ for values %PLAYER;
		3935	}
3172		3936
		3937	trace "running post_init jobs";
		3938	(pop @POST_INIT)->(1) while @POST_INIT;
		3939
3173	warn "leaving sync_job";	3940	trace "leaving sync_job";
3174		3941
3175	1	3942	1
3176	} or do {	3943	} or do {
3177	warn $@;	3944	error $@;
3178	warn "error while reloading, exiting.";	3945	cf::cleanup "error while reloading, exiting.";
3179	exit 1;	3946	};
		3947
		3948	info "reloaded";
		3949	--$RELOAD;
3180	};	3950	}
3181		3951
3182	warn "reloaded";	3952	$t1 = AE::time - $t1;
		3953	info "reload completed in ${t1}s\n";
3183	};	3954	};
3184		3955
3185	our $RELOAD_WATCHER; # used only during reload	3956	our $RELOAD_WATCHER; # used only during reload
3186		3957
3187	sub reload_perl() {	3958	sub reload_perl() {
3188	# doing reload synchronously and two reloads happen back-to-back,	3959	# doing reload synchronously and two reloads happen back-to-back,
3189	# coro crashes during coro_state_free->destroy here.	3960	# coro crashes during coro_state_free->destroy here.
3190		3961
3191	$RELOAD_WATCHER ||= Event->timer (	3962	$RELOAD_WATCHER ||= cf::async {
3192	reentrant => 0,	3963	Coro::AIO::aio_wait cache_extensions;
3193	after => 0,	3964
3194	data => WF_AUTOCANCEL,	3965	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3195	cb => sub {
3196	do_reload_perl;	3966	do_reload_perl;
3197	undef $RELOAD_WATCHER;	3967	undef $RELOAD_WATCHER;
3198	},	3968	};
3199	);	3969	};
3200	}	3970	}
3201		3971
3202	register_command "reload" => sub {	3972	register_command "reload" => sub {
3203	my ($who, $arg) = @_;	3973	my ($who, $arg) = @_;
3204		3974
3205	if ($who->flag (FLAG_WIZ)) {	3975	if ($who->flag (FLAG_WIZ)) {
3206	$who->message ("reloading server.");	3976	$who->message ("reloading server.");
		3977	async {
		3978	$Coro::current->{desc} = "perl_reload";
3207	async { reload_perl };	3979	reload_perl;
		3980	};
3208	}	3981	}
3209	};	3982	};
3210		3983
3211	unshift @INC, $LIBDIR;	3984	unshift @INC, $LIBDIR;
3212		3985
…		…
3214		3987
3215	our @WAIT_FOR_TICK;	3988	our @WAIT_FOR_TICK;
3216	our @WAIT_FOR_TICK_BEGIN;	3989	our @WAIT_FOR_TICK_BEGIN;
3217		3990
3218	sub wait_for_tick {	3991	sub wait_for_tick {
3219	return unless $TICK_WATCHER->is_active;
3220	return if $Coro::current == $Coro::main;	3992	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3221		3993
3222	my $signal = new Coro::Signal;	3994	my $signal = new Coro::Signal;
3223	push @WAIT_FOR_TICK, $signal;	3995	push @WAIT_FOR_TICK, $signal;
3224	$signal->wait;	3996	$signal->wait;
3225	}	3997	}
3226		3998
3227	sub wait_for_tick_begin {	3999	sub wait_for_tick_begin {
3228	return unless $TICK_WATCHER->is_active;
3229	return if $Coro::current == $Coro::main;	4000	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3230		4001
3231	my $signal = new Coro::Signal;	4002	my $signal = new Coro::Signal;
3232	push @WAIT_FOR_TICK_BEGIN, $signal;	4003	push @WAIT_FOR_TICK_BEGIN, $signal;
3233	$signal->wait;	4004	$signal->wait;
3234	}	4005	}
3235		4006
3236	my $min = 1e6;#d#	4007	sub tick {
3237	my $avg = 10;
3238	$TICK_WATCHER = Event->timer (
3239	reentrant => 0,
3240	parked => 1,
3241	prio => 0,
3242	at => $NEXT_TICK || $TICK,
3243	data => WF_AUTOCANCEL,
3244	cb => sub {
3245	if ($Coro::current != $Coro::main) {	4008	if ($Coro::current != $Coro::main) {
3246	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4009	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3247	unless ++$bug_warning > 10;	4010	unless ++$bug_warning > 10;
3248	return;	4011	return;
3249	}	4012	}
3250		4013
3251	$NOW = $tick_start = Event::time;
3252
3253	cf::server_tick; # one server iteration	4014	cf::server_tick; # one server iteration
3254		4015
3255	0 && sync_job {#d#	4016	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3256	for(1..10) {
3257	my $t = Event::time;
3258	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3259	or die;
3260		4017
3261	$map->width (50);	4018	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3262	$map->height (50);	4019	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3263	$map->alloc;	4020	Coro::async_pool {
3264	$map->_load_objects ("/tmp/x.map", 1);	4021	$Coro::current->{desc} = "runtime saver";
3265	my $t = Event::time - $t;	4022	write_runtime_sync
3266		4023	or error "ERROR: unable to write runtime file: $!";
3267	#next unless $t < 0.0013;#d#
3268	if ($t < $min) {
3269	$min = $t;
3270	}
3271	$avg = $avg * 0.99 + $t * 0.01;
3272	}
3273	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3274	exit 0;
3275	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3276	};	4024	};
		4025	}
3277		4026
3278	$RUNTIME += $TICK;
3279	$NEXT_TICK += $TICK;
3280
3281	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3282	$NEXT_RUNTIME_WRITE = $NOW + 10;
3283	Coro::async_pool {
3284	write_runtime
3285	or warn "ERROR: unable to write runtime file: $!";
3286	};
3287	}
3288
3289	# my $AFTER = Event::time;
3290	# warn $AFTER - $NOW;#d#
3291
3292	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4027	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3293	$sig->send;	4028	$sig->send;
3294	}	4029	}
3295	while (my $sig = shift @WAIT_FOR_TICK) {	4030	while (my $sig = shift @WAIT_FOR_TICK) {
3296	$sig->send;	4031	$sig->send;
3297	}	4032	}
3298		4033
3299	$NOW = Event::time;	4034	$LOAD = ($NOW - $TICK_START) / $TICK;
3300
3301	# if we are delayed by four ticks or more, skip them all
3302	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3303
3304	$TICK_WATCHER->at ($NEXT_TICK);
3305	$TICK_WATCHER->start;
3306
3307	$LOAD = ($NOW - $tick_start) / $TICK;
3308	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4035	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3309		4036
3310	_post_tick;	4037	if (0) {
3311		4038	if ($NEXT_TICK) {
3312		4039	my $jitter = $TICK_START - $NEXT_TICK;
		4040	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4041	debug "jitter $JITTER\n";#d#
		4042	}
3313	},	4043	}
3314	);	4044	}
3315		4045
3316	{	4046	{
3317	BDB::max_poll_time $TICK * 0.1;	4047	# configure BDB
3318	$BDB_POLL_WATCHER = Event->io (	4048
3319	reentrant => 0,
3320	fd => BDB::poll_fileno,
3321	poll => 'r',
3322	prio => 0,
3323	data => WF_AUTOCANCEL,
3324	cb => \&BDB::poll_cb,
3325	);
3326	BDB::min_parallel 8;	4049	BDB::min_parallel 16;
3327		4050	BDB::max_poll_reqs $TICK * 0.1;
3328	BDB::set_sync_prepare {	4051	$AnyEvent::BDB::WATCHER->priority (1);
3329	my $status;
3330	my $current = $Coro::current;
3331	(
3332	sub {
3333	$status = $!;
3334	$current->ready; undef $current;
3335	},
3336	sub {
3337	Coro::schedule while defined $current;
3338	$! = $status;
3339	},
3340	)
3341	};
3342		4052
3343	unless ($DB_ENV) {	4053	unless ($DB_ENV) {
3344	$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);
3345		4060
		4061	(Coro::async { # async to keep sync_job from complaining
3346	cf::sync_job {	4062	cf::sync_job {
3347	eval {	4063	eval {
3348	BDB::db_env_open	4064	BDB::db_env_open
3349	$DB_ENV,	4065	$DB_ENV,
3350	$BDBDIR,	4066	$BDBDIR,
3351	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4067	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3352	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4068	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3353	0666;	4069	0666;
3354		4070
3355	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4071	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4072	};
3356		4073
3357	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	4074	cf::cleanup "db_env_open(db): $@" if $@;
3358	$DB_ENV->set_lk_detect;
3359	};	4075	};
		4076	})->join;
		4077	}
3360		4078
3361	cf::cleanup "db_env_open(db): $@" if $@;	4079	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3362	};	4080	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3363	}	4081	};
		4082	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4083	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4084	};
		4085	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4086	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4087	};
3364	}	4088	}
3365		4089
3366	{	4090	{
		4091	# configure IO::AIO
		4092
3367	IO::AIO::min_parallel 8;	4093	IO::AIO::min_parallel 8;
3368
3369	undef $Coro::AIO::WATCHER;
3370	IO::AIO::max_poll_time $TICK * 0.1;	4094	IO::AIO::max_poll_time $TICK * 0.1;
3371	$AIO_POLL_WATCHER = Event->io (	4095	undef $AnyEvent::AIO::WATCHER;
3372	reentrant => 0,
3373	data => WF_AUTOCANCEL,
3374	fd => IO::AIO::poll_fileno,
3375	poll => 'r',
3376	prio => 6,
3377	cb => \&IO::AIO::poll_cb,
3378	);
3379	}	4096	}
3380		4097
3381	my $_log_backtrace;	4098	my $_log_backtrace;
3382		4099
3383	sub _log_backtrace {	4100	sub _log_backtrace {
…		…
3386	$msg =~ s/\n//;	4103	$msg =~ s/\n//;
3387		4104
3388	# limit the # of concurrent backtraces	4105	# limit the # of concurrent backtraces
3389	if ($_log_backtrace < 2) {	4106	if ($_log_backtrace < 2) {
3390	++$_log_backtrace;	4107	++$_log_backtrace;
		4108	my $perl_bt = Carp::longmess $msg;
3391	async {	4109	async {
		4110	$Coro::current->{desc} = "abt $msg";
		4111
3392	my @bt = fork_call {	4112	my @bt = fork_call {
3393	@addr = map { sprintf "%x", $_ } @addr;	4113	@addr = map { sprintf "%x", $_ } @addr;
3394	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4114	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3395	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4115	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3396	or die "addr2line: $!";	4116	or die "addr2line: $!";
…		…
3404	}	4124	}
3405		4125
3406	@funcs	4126	@funcs
3407	};	4127	};
3408		4128
3409	LOG llevInfo, "[ABT] $msg\n";	4129	LOG llevInfo, "[ABT] $perl_bt\n";
		4130	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3410	LOG llevInfo, "[ABT] $_\n" for @bt;	4131	LOG llevInfo, "[ABT] $_\n" for @bt;
3411	--$_log_backtrace;	4132	--$_log_backtrace;
3412	};	4133	};
3413	} else {	4134	} else {
3414	LOG llevInfo, "[ABT] $msg\n";	4135	LOG llevInfo, "[ABT] $msg\n";
3415	LOG llevInfo, "[ABT] [suppressed]\n";	4136	LOG llevInfo, "[ABT] [suppressed]\n";
3416	}	4137	}
3417	}	4138	}
3418		4139
3419	# load additional modules	4140	# load additional modules
3420	use cf::pod;	4141	require "cf/$_.pm" for @EXTRA_MODULES;
		4142	cf::_connect_to_perl_2;
3421		4143
3422	END { cf::emergency_save }	4144	END { cf::emergency_save }
3423		4145
3424	1	4146	1
3425		4147

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