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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.305 by root, Thu Jul 12 08:40:14 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
		241	=item @cf::INVOKE_RESULTS
		242
		243	This array contains the results of the last C<invoke ()> call. When
		244	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		245	that call.
		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
172	=back	253	=back
173		254
174	=cut	255	=cut
175		256
176	BEGIN {	257	sub error(@) { LOG llevError, join "", @_ }
177	*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 {
178	my $msg = join "", @_;	264	my $msg = join "", @_;
179		265
180	$msg .= "\n"	266	$msg .= "\n"
181	unless $msg =~ /\n$/;	267	unless $msg =~ /\n$/;
182		268
183	$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;
184		270
185	utf8::encode $msg;
186	LOG llevError, $msg;	271	LOG llevWarn, $msg;
187	};	272	};
188	}	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	};
189		287
190	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	288	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
191	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	289	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
192	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	290	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
193	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	291	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
200	for my $pkg (qw(	298	for my $pkg (qw(
201	cf::global cf::attachable	299	cf::global cf::attachable
202	cf::object cf::object::player	300	cf::object cf::object::player
203	cf::client cf::player	301	cf::client cf::player
204	cf::arch cf::living	302	cf::arch cf::living
		303	cf::map cf::mapspace
205	cf::map cf::party cf::region	304	cf::party cf::region
206	)) {	305	)) {
207	no strict 'refs';
208	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	306	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
209	}	307	}
210		308
211	$Event::DIED = sub {	309	$EV::DIED = sub {
212	warn "error in event callback: @_";	310	Carp::cluck "error in event callback: @_";
213	};	311	};
214		312
215	#############################################################################	313	#############################################################################
216		314
217	=head2 UTILITY FUNCTIONS	315	=head2 UTILITY FUNCTIONS
…		…
239	$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;
240	$d	338	$d
241	} || "[unable to dump $_[0]: '$@']";	339	} || "[unable to dump $_[0]: '$@']";
242	}	340	}
243		341
244	=item $ref = cf::from_json $json	342	=item $ref = cf::decode_json $json
245		343
246	Converts a JSON string into the corresponding perl data structure.	344	Converts a JSON string into the corresponding perl data structure.
247		345
248	=item $json = cf::to_json $ref	346	=item $json = cf::encode_json $ref
249		347
250	Converts a perl data structure into its JSON representation.	348	Converts a perl data structure into its JSON representation.
251		349
252	=cut	350	=cut
253		351
254	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	352	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
255		353
256	sub to_json ($) { $json_coder->encode ($_[0]) }	354	sub encode_json($) { $json_coder->encode ($_[0]) }
257	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	}
258		370
259	=item cf::lock_wait $string	371	=item cf::lock_wait $string
260		372
261	Wait until the given lock is available. See cf::lock_acquire.	373	Wait until the given lock is available. See cf::lock_acquire.
262		374
263	=item my $lock = cf::lock_acquire $string	375	=item my $lock = cf::lock_acquire $string
264		376
265	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
266	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,
267	for example when the coroutine gets canceled), the lock is automatically	379	for example when the coroutine gets canceled), the lock is automatically
268	returned.	380	returned.
269		381
		382	Locks are *not* recursive, locking from the same coro twice results in a
		383	deadlocked coro.
		384
270	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
271	uses map_find and cf::map::load uses map_load).	386	uses map_find and cf::map::load uses map_load).
272		387
273	=item $locked = cf::lock_active $string	388	=item $locked = cf::lock_active $string
274		389
275	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.
276		391
277	=cut	392	=cut
278		393
279	our %LOCK;	394	our $LOCKS = new Coro::SemaphoreSet;
280		395
281	sub lock_wait($) {	396	sub lock_wait($) {
282	my ($key) = @_;	397	$LOCKS->wait ($_[0]);
283
284	# wait for lock, if any
285	while ($LOCK{$key}) {
286	push @{ $LOCK{$key} }, $Coro::current;
287	Coro::schedule;
288	}
289	}	398	}
290		399
291	sub lock_acquire($) {	400	sub lock_acquire($) {
292	my ($key) = @_;	401	$LOCKS->guard ($_[0])
293
294	# wait, to be sure we are not locked
295	lock_wait $key;
296
297	$LOCK{$key} = [];
298
299	Coro::guard {
300	# wake up all waiters, to be on the safe side
301	$_->ready for @{ delete $LOCK{$key} };
302	}
303	}	402	}
304		403
305	sub lock_active($) {	404	sub lock_active($) {
306	my ($key) = @_;	405	$LOCKS->count ($_[0]) < 1
307
308	! ! $LOCK{$key}
309	}	406	}
310		407
311	sub freeze_mainloop {	408	sub freeze_mainloop {
312	return unless $TICK_WATCHER->is_active;	409	tick_inhibit_inc;
313		410
314	my $guard = Coro::guard {	411	&Guard::guard (\&tick_inhibit_dec);
315	$TICK_WATCHER->start;	412	}
		413
		414	=item cf::periodic $interval, $cb
		415
		416	Like EV::periodic, but randomly selects a starting point so that the actions
		417	get spread over time.
		418
		419	=cut
		420
		421	sub periodic($$) {
		422	my ($interval, $cb) = @_;
		423
		424	my $start = rand List::Util::min 180, $interval;
		425
		426	EV::periodic $start, $interval, 0, $cb
		427	}
		428
		429	=item cf::get_slot $time[, $priority[, $name]]
		430
		431	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		432	This call blocks and returns only when you have at least C<$time> seconds
		433	of cpu time till the next tick. The slot is only valid till the next cede.
		434
		435	The optional C<$name> can be used to identify the job to run. It might be
		436	used for statistical purposes and should identify the same time-class.
		437
		438	Useful for short background jobs.
		439
		440	=cut
		441
		442	our @SLOT_QUEUE;
		443	our $SLOT_QUEUE;
		444	our $SLOT_DECAY = 0.9;
		445
		446	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		447	$SLOT_QUEUE = Coro::async {
		448	$Coro::current->desc ("timeslot manager");
		449
		450	my $signal = new Coro::Signal;
		451	my $busy;
		452
		453	while () {
		454	next_job:
		455
		456	my $avail = cf::till_tick;
		457
		458	for (0 .. $#SLOT_QUEUE) {
		459	if ($SLOT_QUEUE[$_][0] <= $avail) {
		460	$busy = 0;
		461	my $job = splice @SLOT_QUEUE, $_, 1, ();
		462	$job->[2]->send;
		463	Coro::cede;
		464	goto next_job;
		465	} else {
		466	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		467	}
		468	}
		469
		470	if (@SLOT_QUEUE) {
		471	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		472	push @cf::WAIT_FOR_TICK, $signal;
		473	$signal->wait;
		474	} else {
		475	$busy = 0;
		476	Coro::schedule;
		477	}
316	};	478	}
317	$TICK_WATCHER->stop;	479	};
318	$guard	480
		481	sub get_slot($;$$) {
		482	return if tick_inhibit || $Coro::current == $Coro::main;
		483
		484	my ($time, $pri, $name) = @_;
		485
		486	$time = clamp $time, 0.01, $TICK * .6;
		487
		488	my $sig = new Coro::Signal;
		489
		490	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		491	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		492	$SLOT_QUEUE->ready;
		493	$sig->wait;
319	}	494	}
320		495
321	=item cf::async { BLOCK }	496	=item cf::async { BLOCK }
322		497
323	Currently the same as Coro::async_pool, meaning you cannot use	498	Currently the same as Coro::async_pool, meaning you cannot use
…		…
328		503
329	BEGIN { *async = \&Coro::async_pool }	504	BEGIN { *async = \&Coro::async_pool }
330		505
331	=item cf::sync_job { BLOCK }	506	=item cf::sync_job { BLOCK }
332		507
333	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	508	The design of Deliantra requires that the main coroutine ($Coro::main)
334	is always able to handle events or runnable, as Crossfire TRT is only	509	is always able to handle events or runnable, as Deliantra is only
335	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	510	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
336	acceptable.	511	acceptable.
337		512
338	If it must be done, put the blocking parts into C<sync_job>. This will run	513	If it must be done, put the blocking parts into C<sync_job>. This will run
339	the given BLOCK in another coroutine while waiting for the result. The	514	the given BLOCK in another coroutine while waiting for the result. The
…		…
344		519
345	sub sync_job(&) {	520	sub sync_job(&) {
346	my ($job) = @_;	521	my ($job) = @_;
347		522
348	if ($Coro::current == $Coro::main) {	523	if ($Coro::current == $Coro::main) {
349	my $time = Event::time;	524	my $time = AE::time;
350		525
351	# this is the main coro, too bad, we have to block	526	# this is the main coro, too bad, we have to block
352	# till the operation succeeds, freezing the server :/	527	# till the operation succeeds, freezing the server :/
353		528
354	# TODO: use suspend/resume instead	529	LOG llevError, Carp::longmess "sync job";#d#
355	# (but this is cancel-safe)	530
356	my $freeze_guard = freeze_mainloop;	531	my $freeze_guard = freeze_mainloop;
357		532
358	my $busy = 1;	533	my $busy = 1;
359	my @res;	534	my @res;
360		535
361	(async {	536	(async {
		537	$Coro::current->desc ("sync job coro");
362	@res = eval { $job->() };	538	@res = eval { $job->() };
363	warn $@ if $@;	539	error $@ if $@;
364	undef $busy;	540	undef $busy;
365	})->prio (Coro::PRIO_MAX);	541	})->prio (Coro::PRIO_MAX);
366		542
367	while ($busy) {	543	while ($busy) {
368	Coro::cede or Event::one_event;	544	if (Coro::nready) {
		545	Coro::cede_notself;
		546	} else {
		547	EV::loop EV::LOOP_ONESHOT;
369	}	548	}
		549	}
370		550
371	$time = Event::time - $time;	551	my $time = AE::time - $time;
372		552
373	LOG llevError | logBacktrace, Carp::longmess "long sync job"
374	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
375
376	$tick_start += $time; # do not account sync jobs to server load	553	$TICK_START += $time; # do not account sync jobs to server load
377		554
378	wantarray ? @res : $res[0]	555	wantarray ? @res : $res[0]
379	} else {	556	} else {
380	# we are in another coroutine, how wonderful, everything just works	557	# we are in another coroutine, how wonderful, everything just works
381		558
…		…
406	=item fork_call { }, $args	583	=item fork_call { }, $args
407		584
408	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
409	process, returning the results. Everything must be serialisable with	586	process, returning the results. Everything must be serialisable with
410	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
411	never block itself or use any form of Event handling.	588	never block itself or use any form of event handling.
412		589
413	=cut	590	=cut
414
415	sub _store_scalar {
416	open my $fh, ">", \my $buf
417	or die "fork_call: cannot open fh-to-buf in child : $!";
418	Storable::store_fd $_[0], $fh;
419	close $fh;
420
421	$buf
422	}
423		591
424	sub fork_call(&@) {	592	sub fork_call(&@) {
425	my ($cb, @args) = @_;	593	my ($cb, @args) = @_;
426		594
427	# 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,
428	# or die "socketpair: $!";	596	# otherwise perl prematurely frees the stuff :/
429	pipe my $fh1, my $fh2	597	# TODO: investigate and fix (likely this will be rather laborious)
430	or die "pipe: $!";
431		598
432	if (my $pid = fork) {	599	my @res = Coro::Util::fork_eval {
433	close $fh2;
434
435	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
436	warn "pst<$res>" unless $res =~ /^pst/;
437	$res = Coro::Storable::thaw $res;
438
439	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
440
441	Carp::confess $$res unless "ARRAY" eq ref $res;
442
443	return wantarray ? @$res : $res->[-1];
444	} else {
445	reset_signals;	600	reset_signals;
446	local $SIG{__WARN__};	601	&$cb
447	local $SIG{__DIE__};	602	}, @args;
448	# just in case, this hack effectively disables event
449	# in the child. cleaner and slower would be canceling all watchers,
450	# but this works for the time being.
451	local $Coro::idle;
452	$Coro::current->prio (Coro::PRIO_MAX);
453		603
454	eval {	604	wantarray ? @res : $res[-1]
455	close $fh1;	605	}
456		606
457	my @res = eval { $cb->(@args) };	607	sub objinfo {
458
459	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
460	close $fh2;
461	};
462
463	warn $@ if $@;
464	_exit 0;
465	}	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
466	}	643	}
467		644
468	=item $value = cf::db_get $family => $key	645	=item $value = cf::db_get $family => $key
469		646
470	Returns a single value from the environment database.	647	Returns a single value from the environment database.
…		…
472	=item cf::db_put $family => $key => $value	649	=item cf::db_put $family => $key => $value
473		650
474	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
475	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).
476		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
477	=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	}
478		677
479	our $DB;	678	our $DB;
480		679
481	sub db_init {	680	sub db_init {
482	unless ($DB) {
483	$DB = BDB::db_create $DB_ENV;
484
485	cf::sync_job {	681	cf::sync_job {
486	eval {	682	$DB ||= db_table "db";
487	$DB->set_flags (BDB::CHKSUM);
488
489	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
490	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
491	cf::cleanup "db_open(db): $!" if $!;
492	};
493	cf::cleanup "db_open(db): $@" if $@;
494	};
495	}	683	};
496	}	684	}
497		685
498	sub db_get($$) {	686	sub db_get($$) {
499	my $key = "$_[0]/$_[1]";	687	my $key = "$_[0]/$_[1]";
500		688
…		…
550	if (1) {	738	if (1) {
551	$md5 =	739	$md5 =
552	join "\x00",	740	join "\x00",
553	$processversion,	741	$processversion,
554	map {	742	map {
555	Coro::cede;	743	cf::cede_to_tick;
556	($src->[$_], Digest::MD5::md5_hex $data[$_])	744	($src->[$_], Digest::MD5::md5_hex $data[$_])
557	} 0.. $#$src;	745	} 0.. $#$src;
558		746
559		747
560	my $dbmd5 = db_get cache => "$id/md5";	748	my $dbmd5 = db_get cache => "$id/md5";
…		…
567		755
568	my $t1 = Time::HiRes::time;	756	my $t1 = Time::HiRes::time;
569	my $data = $process->(\@data);	757	my $data = $process->(\@data);
570	my $t2 = Time::HiRes::time;	758	my $t2 = Time::HiRes::time;
571		759
572	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	760	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
573		761
574	db_put cache => "$id/data", $data;	762	db_put cache => "$id/data", $data;
575	db_put cache => "$id/md5" , $md5;	763	db_put cache => "$id/md5" , $md5;
576	db_put cache => "$id/meta", $meta;	764	db_put cache => "$id/meta", $meta;
577		765
…		…
587		775
588	=cut	776	=cut
589		777
590	sub datalog($@) {	778	sub datalog($@) {
591	my ($type, %kv) = @_;	779	my ($type, %kv) = @_;
592	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	780	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
593	}	781	}
594		782
595	=back	783	=back
596		784
597	=cut	785	=cut
598		786
599	#############################################################################	787	#############################################################################
600		788
601	=head2 ATTACHABLE OBJECTS	789	=head2 ATTACHABLE OBJECTS
602		790
603	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
604	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")
605	to it. All such attachable objects support the following methods.	793	to it. All such attachable objects support the following methods.
606		794
607	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>
608	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
609	Crossfire TRT).	797	Deliantra).
610		798
611	=over 4	799	=over 4
612		800
613	=item $attachable->attach ($attachment, key => $value...)	801	=item $attachable->attach ($attachment, key => $value...)
614		802
…		…
658	=item cf::CLASS::attachment $name, ...	846	=item cf::CLASS::attachment $name, ...
659		847
660	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
661	given CLASS can refer to this attachment.	849	given CLASS can refer to this attachment.
662		850
663	Some classes such as crossfire maps and objects can specify attachments	851	Some classes such as deliantra maps and objects can specify attachments
664	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.
665		853
666	These calls expect any number of the following handler/hook descriptions:	854	These calls expect any number of the following handler/hook descriptions:
667		855
668	=over 4	856	=over 4
…		…
792		980
793	} elsif (exists $cb_id{$type}) {	981	} elsif (exists $cb_id{$type}) {
794	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	982	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
795		983
796	} elsif (ref $type) {	984	} elsif (ref $type) {
797	warn "attaching objects not supported, ignoring.\n";	985	error "attaching objects not supported, ignoring.\n";
798		986
799	} else {	987	} else {
800	shift @arg;	988	shift @arg;
801	warn "attach argument '$type' not supported, ignoring.\n";	989	error "attach argument '$type' not supported, ignoring.\n";
802	}	990	}
803	}	991	}
804	}	992	}
805		993
806	sub _object_attach {	994	sub _object_attach {
…		…
816	_attach $registry, $klass, @attach;	1004	_attach $registry, $klass, @attach;
817	}	1005	}
818		1006
819	$obj->{$name} = \%arg;	1007	$obj->{$name} = \%arg;
820	} else {	1008	} else {
821	warn "object uses attachment '$name' which is not available, postponing.\n";	1009	info "object uses attachment '$name' which is not available, postponing.\n";
822	}	1010	}
823		1011
824	$obj->{_attachment}{$name} = undef;	1012	$obj->{_attachment}{$name} = undef;
825	}	1013	}
826		1014
…		…
866	";	1054	";
867	die if $@;	1055	die if $@;
868	}	1056	}
869		1057
870	our $override;	1058	our $override;
871	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1059	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
872		1060
873	sub override {	1061	sub override {
874	$override = 1;	1062	$override = 1;
875	@invoke_results = ();	1063	@INVOKE_RESULTS = (@_);
876	}	1064	}
877		1065
878	sub do_invoke {	1066	sub do_invoke {
879	my $event = shift;	1067	my $event = shift;
880	my $callbacks = shift;	1068	my $callbacks = shift;
881		1069
882	@invoke_results = ();	1070	@INVOKE_RESULTS = ();
883		1071
884	local $override;	1072	local $override;
885		1073
886	for (@$callbacks) {	1074	for (@$callbacks) {
887	eval { &{$_->[1]} };	1075	eval { &{$_->[1]} };
888		1076
889	if ($@) {	1077	if ($@) {
890	warn "$@";
891	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1078	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
892	override;	1079	override;
893	}	1080	}
894		1081
895	return 1 if $override;	1082	return 1 if $override;
896	}	1083	}
897		1084
898	0	1085	0
899	}	1086	}
900		1087
901	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1088	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
902		1089
903	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
904		1091
905	Generate an object-specific event with the given arguments.	1092	Generate an object-specific event with the given arguments.
906		1093
907	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1094	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
908	removed in future versions), and there is no public API to access override	1095	removed in future versions), and there is no public API to access override
909	results (if you must, access C<@cf::invoke_results> directly).	1096	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
910		1097
911	=back	1098	=back
912		1099
913	=cut	1100	=cut
914		1101
915	#############################################################################	1102	#############################################################################
916	# object support	1103	# object support
		1104
		1105	sub _object_equal($$);
		1106	sub _object_equal($$) {
		1107	my ($a, $b) = @_;
		1108
		1109	return 0 unless (ref $a) eq (ref $b);
		1110
		1111	if ("HASH" eq ref $a) {
		1112	my @ka = keys %$a;
		1113	my @kb = keys %$b;
		1114
		1115	return 0 if @ka != @kb;
		1116
		1117	for (0 .. $#ka) {
		1118	return 0 unless $ka[$_] eq $kb[$_];
		1119	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1120	}
		1121
		1122	} elsif ("ARRAY" eq ref $a) {
		1123
		1124	return 0 if @$a != @$b;
		1125
		1126	for (0 .. $#$a) {
		1127	return 0 unless _object_equal $a->[$_], $b->[$_];
		1128	}
		1129
		1130	} elsif ($a ne $b) {
		1131	return 0;
		1132	}
		1133
		1134	1
		1135	}
		1136
		1137	our $SLOW_MERGES;#d#
		1138	sub _can_merge {
		1139	my ($ob1, $ob2) = @_;
		1140
		1141	++$SLOW_MERGES;#d#
		1142
		1143	# we do the slow way here
		1144	return _object_equal $ob1, $ob2
		1145	}
917		1146
918	sub reattach {	1147	sub reattach {
919	# basically do the same as instantiate, without calling instantiate	1148	# basically do the same as instantiate, without calling instantiate
920	my ($obj) = @_;	1149	my ($obj) = @_;
921		1150
		1151	# no longer needed after getting rid of delete_package?
922	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
923		1153
924	my $registry = $obj->registry;	1154	my $registry = $obj->registry;
925		1155
926	@$registry = ();	1156	@$registry = ();
927		1157
…		…
932	for (@$attach) {	1162	for (@$attach) {
933	my ($klass, @attach) = @$_;	1163	my ($klass, @attach) = @$_;
934	_attach $registry, $klass, @attach;	1164	_attach $registry, $klass, @attach;
935	}	1165	}
936	} else {	1166	} else {
937	warn "object uses attachment '$name' that is not available, postponing.\n";	1167	info "object uses attachment '$name' that is not available, postponing.\n";
938	}	1168	}
939	}	1169	}
940	}	1170	}
941		1171
942	cf::attachable->attach (	1172	cf::attachable->attach (
943	prio => -1000000,	1173	prio => -1000000,
944	on_instantiate => sub {	1174	on_instantiate => sub {
945	my ($obj, $data) = @_;	1175	my ($obj, $data) = @_;
946		1176
947	$data = from_json $data;	1177	$data = decode_json $data;
948		1178
949	for (@$data) {	1179	for (@$data) {
950	my ($name, $args) = @$_;	1180	my ($name, $args) = @$_;
951		1181
952	$obj->attach ($name, %{$args || {} });	1182	$obj->attach ($name, %{$args || {} });
…		…
968	sub object_freezer_save {	1198	sub object_freezer_save {
969	my ($filename, $rdata, $objs) = @_;	1199	my ($filename, $rdata, $objs) = @_;
970		1200
971	sync_job {	1201	sync_job {
972	if (length $$rdata) {	1202	if (length $$rdata) {
		1203	utf8::decode (my $decname = $filename);
973	warn sprintf "saving %s (%d,%d)\n",	1204	trace sprintf "saving %s (%d,%d)\n",
974	$filename, length $$rdata, scalar @$objs;	1205	$decname, length $$rdata, scalar @$objs
		1206	if $VERBOSE_IO;
975		1207
976	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1208	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
977	chmod SAVE_MODE, $fh;	1209	aio_chmod $fh, SAVE_MODE;
978	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1210	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
979	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	}
980	close $fh;	1215	aio_close $fh;
981		1216
982	if (@$objs) {	1217	if (@$objs) {
983	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) {
984	chmod SAVE_MODE, $fh;	1219	aio_chmod $fh, SAVE_MODE;
985	my $data = Storable::nfreeze { version => 1, objs => $objs };	1220	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
986	aio_write $fh, 0, (length $data), $data, 0;	1221	aio_write $fh, 0, (length $data), $data, 0;
987	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	}
988	close $fh;	1226	aio_close $fh;
989	aio_rename "$filename.pst~", "$filename.pst";	1227	aio_rename "$filename.pst~", "$filename.pst";
990	}	1228	}
991	} else {	1229	} else {
992	aio_unlink "$filename.pst";	1230	aio_unlink "$filename.pst";
993	}	1231	}
994		1232
995	aio_rename "$filename~", $filename;	1233	aio_rename "$filename~", $filename;
		1234
		1235	$filename =~ s%/[^/]+$%%;
		1236	aio_pathsync $filename if $cf::USE_FSYNC;
996	} else {	1237	} else {
997	warn "FATAL: $filename~: $!\n";	1238	error "unable to save objects: $filename~: $!\n";
998	}	1239	}
999	} else {	1240	} else {
1000	aio_unlink $filename;	1241	aio_unlink $filename;
1001	aio_unlink "$filename.pst";	1242	aio_unlink "$filename.pst";
1002	}	1243	}
1003	}	1244	};
1004	}	1245	}
1005		1246
1006	sub object_freezer_as_string {	1247	sub object_freezer_as_string {
1007	my ($rdata, $objs) = @_;	1248	my ($rdata, $objs) = @_;
1008		1249
…		…
1020	or return;	1261	or return;
1021		1262
1022	unless (aio_stat "$filename.pst") {	1263	unless (aio_stat "$filename.pst") {
1023	(aio_load "$filename.pst", $av) >= 0	1264	(aio_load "$filename.pst", $av) >= 0
1024	or return;	1265	or return;
		1266
1025	$av = eval { (Storable::thaw $av)->{objs} };	1267	my $st = eval { Coro::Storable::thaw $av };
		1268	$av = $st->{objs};
1026	}	1269	}
1027		1270
		1271	utf8::decode (my $decname = $filename);
1028	warn sprintf "loading %s (%d)\n",	1272	trace sprintf "loading %s (%d,%d)\n",
1029	$filename, length $data, scalar @{$av || []};	1273	$decname, length $data, scalar @{$av || []}
		1274	if $VERBOSE_IO;
		1275
1030	return ($data, $av);	1276	($data, $av)
1031	}	1277	}
1032		1278
1033	=head2 COMMAND CALLBACKS	1279	=head2 COMMAND CALLBACKS
1034		1280
1035	=over 4	1281	=over 4
…		…
1089	my ($name, $cb) = @_;	1335	my ($name, $cb) = @_;
1090		1336
1091	$EXTICMD{$name} = $cb;	1337	$EXTICMD{$name} = $cb;
1092	}	1338	}
1093		1339
		1340	use File::Glob ();
		1341
1094	cf::player->attach (	1342	cf::player->attach (
1095	on_command => sub {	1343	on_unknown_command => sub {
1096	my ($pl, $name, $params) = @_;	1344	my ($pl, $name, $params) = @_;
1097		1345
1098	my $cb = $COMMAND{$name}	1346	my $cb = $COMMAND{$name}
1099	or return;	1347	or return;
1100		1348
…		…
1108	my ($pl, $buf) = @_;	1356	my ($pl, $buf) = @_;
1109		1357
1110	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1358	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1111		1359
1112	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
1113	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1368	if (my $cb = $EXTCMD{$type}) {
1114	if (my %reply = $cb->($pl, $msg)) {	1369	@reply = $cb->($pl, @payload);
1115	$pl->ext_reply ($msg->{msgid}, %reply);
1116	}
1117	}	1370	}
		1371
		1372	$pl->ext_reply ($reply, @reply)
		1373	if $reply;
		1374
1118	} else {	1375	} else {
1119	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1376	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1120	}	1377	}
1121		1378
1122	cf::override;	1379	cf::override;
1123	},	1380	},
1124	);	1381	);
1125		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
1126	sub load_extensions {	1396	sub load_extensions {
		1397	info "loading extensions...";
		1398
1127	cf::sync_job {	1399	cf::sync_job {
1128	my %todo;	1400	my %todo;
1129		1401
1130	for my $path (<$LIBDIR/*.ext>) {	1402	for my $path (<$LIBDIR/*.ext>) {
1131	next unless -r $path;	1403	next unless -r $path;
…		…
1149		1421
1150	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1422	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1151	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1423	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1152		1424
1153	$ext{source} =	1425	$ext{source} =
1154	"package $pkg; use strict; use utf8;\n"	1426	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1155	. "#line 1 \"$path\"\n{\n"	1427	. "#line 1 \"$path\"\n{\n"
1156	. $source	1428	. $source
1157	. "\n};\n1";	1429	. "\n};\n1";
1158		1430
1159	$todo{$base} = \%ext;	1431	$todo{$base} = \%ext;
1160	}	1432	}
1161		1433
		1434	my $pass = 0;
1162	my %done;	1435	my %done;
1163	while (%todo) {	1436	while (%todo) {
1164	my $progress;	1437	my $progress;
1165		1438
		1439	++$pass;
		1440
		1441	ext:
1166	while (my ($k, $v) = each %todo) {	1442	while (my ($k, $v) = each %todo) {
1167	for (split /,\s*/, $v->{meta}{depends}) {	1443	for (split /,\s*/, $v->{meta}{depends}) {
1168	goto skip	1444	next ext
1169	unless exists $done{$_};	1445	unless exists $done{$_};
1170	}	1446	}
1171		1447
1172	warn "... loading '$k' into '$v->{pkg}'\n";	1448	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1173		1449
1174	unless (eval $v->{source}) {	1450	my $active = eval $v->{source};
		1451
		1452	if (length $@) {
1175	my $msg = $@ ? "$v->{path}: $@\n"	1453	error "$v->{path}: $@\n";
1176	: "$v->{base}: extension inactive.\n";
1177		1454
		1455	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1178	if (exists $v->{meta}{mandatory}) {	1456	if exists $v->{meta}{mandatory};
1179	warn $msg;	1457
1180	warn "mandatory extension failed to load, exiting.\n";	1458	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1181	exit 1;	1459	delete $todo{$k};
1182	}	1460	} else {
1183		1461	$done{$k} = delete $todo{$k};
1184	warn $msg;	1462	push @EXTS, $v->{pkg};
		1463	$progress = 1;
		1464
		1465	info "$v->{base}: extension inactive.\n"
		1466	unless $active;
1185	}	1467	}
1186
1187	$done{$k} = delete $todo{$k};
1188	push @EXTS, $v->{pkg};
1189	$progress = 1;
1190	}	1468	}
1191		1469
1192	skip:	1470	unless ($progress) {
1193	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1471	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1194	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	}
1195	}	1478	}
1196	};	1479	};
1197	}	1480	}
1198		1481
1199	#############################################################################	1482	#############################################################################
1200		1483
1201	=back	1484	=back
1202		1485
1203	=head2 CORE EXTENSIONS	1486	=head2 CORE EXTENSIONS
1204		1487
1205	Functions and methods that extend core crossfire objects.	1488	Functions and methods that extend core deliantra objects.
1206		1489
1207	=cut	1490	=cut
1208		1491
1209	package cf::player;	1492	package cf::player;
1210		1493
1211	use Coro::AIO;	1494	use Coro::AIO;
1212		1495
1213	=head3 cf::player	1496	=head3 cf::player
1214		1497
1215	=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	}
1216		1513
1217	=item cf::player::find $login	1514	=item cf::player::find $login
1218		1515
1219	Returns the given player object, loading it if necessary (might block).	1516	Returns the given player object, loading it if necessary (might block).
1220		1517
…		…
1239		1536
1240	sub exists($) {	1537	sub exists($) {
1241	my ($login) = @_;	1538	my ($login) = @_;
1242		1539
1243	$cf::PLAYER{$login}	1540	$cf::PLAYER{$login}
1244	or cf::sync_job { !aio_stat path $login }	1541	or !aio_stat path $login
1245	}	1542	}
1246		1543
1247	sub find($) {	1544	sub find($) {
1248	return $cf::PLAYER{$_[0]} || do {	1545	return $cf::PLAYER{$_[0]} || do {
1249	my $login = $_[0];	1546	my $login = $_[0];
…		…
1256	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1553	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1257	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1554	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1258	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1555	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1259	aio_unlink +(playerdir $login) . "/$login.pl";	1556	aio_unlink +(playerdir $login) . "/$login.pl";
1260		1557
1261	my $pl = load_pl path $login	1558	my $f = new_from_file cf::object::thawer path $login
1262	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;
1263	$cf::PLAYER{$login} = $pl	1566	$cf::PLAYER{$login} = $pl
1264	}	1567	}
1265	}	1568	}
1266	}	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	);
1267		1583
1268	sub save($) {	1584	sub save($) {
1269	my ($pl) = @_;	1585	my ($pl) = @_;
1270		1586
1271	return if $pl->{deny_save};	1587	return if $pl->{deny_save};
…		…
1276	return if $pl->{deny_save};	1592	return if $pl->{deny_save};
1277		1593
1278	aio_mkdir playerdir $pl, 0770;	1594	aio_mkdir playerdir $pl, 0770;
1279	$pl->{last_save} = $cf::RUNTIME;	1595	$pl->{last_save} = $cf::RUNTIME;
1280		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
1281	$pl->save_pl ($path);	1602	$pl->save_pl ($path);
1282	Coro::cede;	1603	cf::cede_to_tick;
1283	}	1604	}
1284		1605
1285	sub new($) {	1606	sub new($) {
1286	my ($login) = @_;	1607	my ($login) = @_;
1287		1608
…		…
1293	$cf::PLAYER{$login} = $self;	1614	$cf::PLAYER{$login} = $self;
1294		1615
1295	$self	1616	$self
1296	}	1617	}
1297		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
1298	=item $pl->quit_character	1629	=item $pl->quit_character
1299		1630
1300	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
1301	be destroyed. May block for a long time.	1632	be destroyed. May block for a long time.
1302		1633
…		…
1306	my ($pl) = @_;	1637	my ($pl) = @_;
1307		1638
1308	my $name = $pl->ob->name;	1639	my $name = $pl->ob->name;
1309		1640
1310	$pl->{deny_save} = 1;	1641	$pl->{deny_save} = 1;
1311	$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
1312		1643
1313	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1644	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1314	$pl->deactivate;	1645	$pl->deactivate;
		1646	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1315	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1647	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1316	$pl->ns->destroy if $pl->ns;	1648	$pl->ns->destroy if $pl->ns;
1317		1649
1318	my $path = playerdir $pl;	1650	my $path = playerdir $pl;
1319	my $temp = "$path~$cf::RUNTIME~deleting~";	1651	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1355	or return [];	1687	or return [];
1356		1688
1357	my @logins;	1689	my @logins;
1358		1690
1359	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") {
1360	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1697	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1361	aio_read $fh, 0, 512, my $buf, 0 or next;	1698	aio_read $fh, 0, 512, my $buf, 0 or next;
1362	$buf !~ /^password -------------$/m or next; # official not-valid tag	1699	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1700	}
1363		1701
1364	utf8::decode $login;	1702	utf8::decode $login;
1365	push @logins, $login;	1703	push @logins, $login;
1366	}	1704	}
1367		1705
1368	\@logins	1706	\@logins
1369	}	1707	}
1370		1708
1371	=item $player->maps	1709	=item $player->maps
		1710
		1711	=item cf::player::maps $login
1372		1712
1373	Returns an arrayref of map paths that are private for this	1713	Returns an arrayref of map paths that are private for this
1374	player. May block.	1714	player. May block.
1375		1715
1376	=cut	1716	=cut
…		…
1394	}	1734	}
1395		1735
1396	\@paths	1736	\@paths
1397	}	1737	}
1398		1738
1399	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1739	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1400		1740
1401	Expand crossfire pod fragments into protocol xml.	1741	Expand deliantra pod fragments into protocol xml.
1402		1742
1403	=cut
1404
1405	sub expand_cfpod {
1406	((my $self), (local $_)) = @_;
1407
1408	# escape & and <
1409	s/&/&amp;/g;
1410	s/(?<![BIUGH])</&lt;/g;
1411
1412	# this is buggy, it needs to properly take care of nested <'s
1413
1414	1 while
1415	# replace B<>, I<>, U<> etc.
1416	s/B<([^\>]*)>/<b>$1<\/b>/
1417	|| s/I<([^\>]*)>/<i>$1<\/i>/
1418	|| s/U<([^\>]*)>/<u>$1<\/u>/
1419	# replace G<male|female> tags
1420	|| s{G<([^>|]*)\|([^>]*)>}{
1421	$self->gender ? $2 : $1
1422	}ge
1423	# replace H<hint text>
1424	|| s{H<([^\>]*)>}
1425	{
1426	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1427	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1428	"")
1429	[$self->{hintmode}]
1430	}ge;
1431
1432	# create single paragraphs (very hackish)
1433	s/(?<=\S)\n(?=\w)/ /g;
1434
1435	# compress some whitespace
1436	s/\s+\n/\n/g; # ws line-ends
1437	s/\n\n+/\n/g; # double lines
1438	s/^\n+//; # beginning lines
1439	s/\n+$//; # ending lines
1440
1441	$_
1442	}
1443
1444	sub hintmode {
1445	$_[0]{hintmode} = $_[1] if @_ > 1;
1446	$_[0]{hintmode}
1447	}
1448
1449	=item $player->ext_reply ($msgid, %msg)	1743	=item $player->ext_reply ($msgid, @msg)
1450		1744
1451	Sends an ext reply to the player.	1745	Sends an ext reply to the player.
1452		1746
1453	=cut	1747	=cut
1454		1748
1455	sub ext_reply($$%) {	1749	sub ext_reply($$@) {
1456	my ($self, $id, %msg) = @_;	1750	my ($self, $id, @msg) = @_;
1457		1751
1458	$msg{msgid} = $id;	1752	$self->ns->ext_reply ($id, @msg)
1459	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1460	}	1753	}
1461		1754
1462	=item $player->ext_event ($type, %msg)	1755	=item $player->ext_msg ($type, @msg)
1463		1756
1464	Sends an ext event to the client.	1757	Sends an ext event to the client.
1465		1758
1466	=cut	1759	=cut
1467		1760
1468	sub ext_event($$%) {	1761	sub ext_msg($$@) {
1469	my ($self, $type, %msg) = @_;	1762	my ($self, $type, @msg) = @_;
1470		1763
1471	$self->ns->ext_event ($type, %msg);	1764	$self->ns->ext_msg ($type, @msg);
1472	}	1765	}
1473		1766
1474	=head3 cf::region	1767	=head3 cf::region
1475		1768
1476	=over 4	1769	=over 4
…		…
1485		1778
1486	=cut	1779	=cut
1487		1780
1488	sub find_by_path($) {	1781	sub find_by_path($) {
1489	my ($path) = @_;	1782	my ($path) = @_;
		1783
		1784	$path =~ s/^~[^\/]*//; # skip ~login
1490		1785
1491	my ($match, $specificity);	1786	my ($match, $specificity);
1492		1787
1493	for my $region (list) {	1788	for my $region (list) {
1494	if ($region->{match} && $path =~ $region->{match}) {	1789	if ($region->{match} && $path =~ $region->{match}) {
…		…
1520	our $MAX_RESET = 3600;	1815	our $MAX_RESET = 3600;
1521	our $DEFAULT_RESET = 3000;	1816	our $DEFAULT_RESET = 3000;
1522		1817
1523	sub generate_random_map {	1818	sub generate_random_map {
1524	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
1525	# mit "rum" bekleckern, nicht	1823	# mit "rum" bekleckern, nicht
1526	$self->_create_random_map (	1824	$self->_create_random_map (
1527	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1825	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1528	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1826	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1529	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1827	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1530	$rmp->{exit_on_final_map},	1828	$rmp->{exit_on_final_map},
1531	$rmp->{xsize}, $rmp->{ysize},	1829	$rmp->{xsize}, $rmp->{ysize},
1532	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1830	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1533	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1831	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1555		1853
1556	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1854	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1557	}	1855	}
1558		1856
1559	# also paths starting with '/'	1857	# also paths starting with '/'
1560	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1858	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1561		1859
1562	sub thawer_merge {	1860	sub thawer_merge {
1563	my ($self, $merge) = @_;	1861	my ($self, $merge) = @_;
1564		1862
1565	# we have to keep some variables in memory intact	1863	# we have to keep some variables in memory intact
…		…
1619	$self->init; # pass $1 etc.	1917	$self->init; # pass $1 etc.
1620	return $self;	1918	return $self;
1621	}	1919	}
1622	}	1920	}
1623		1921
1624	Carp::carp "unable to resolve path '$path' (base '$base').";	1922	Carp::cluck "unable to resolve path '$path' (base '$base').";
1625	()	1923	()
1626	}	1924	}
1627		1925
1628	sub init {	1926	sub init {
1629	my ($self) = @_;	1927	my ($self) = @_;
…		…
1651		1949
1652	# the temporary/swap location	1950	# the temporary/swap location
1653	sub save_path {	1951	sub save_path {
1654	my ($self) = @_;	1952	my ($self) = @_;
1655		1953
1656	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1954	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1657	"$TMPDIR/$path.map"	1955	"$TMPDIR/$path.map"
1658	}	1956	}
1659		1957
1660	# the unique path, undef == no special unique path	1958	# the unique path, undef == no special unique path
1661	sub uniq_path {	1959	sub uniq_path {
1662	my ($self) = @_;	1960	my ($self) = @_;
1663		1961
1664	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1962	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1665	"$UNIQUEDIR/$path"	1963	"$UNIQUEDIR/$path"
1666	}
1667
1668	# and all this just because we cannot iterate over
1669	# all maps in C++...
1670	sub change_all_map_light {
1671	my ($change) = @_;
1672
1673	$_->change_map_light ($change)
1674	for grep $_->outdoor, values %cf::MAP;
1675	}	1964	}
1676		1965
1677	sub decay_objects {	1966	sub decay_objects {
1678	my ($self) = @_;	1967	my ($self) = @_;
1679		1968
…		…
1692		1981
1693	sub load_header_from($) {	1982	sub load_header_from($) {
1694	my ($self, $path) = @_;	1983	my ($self, $path) = @_;
1695		1984
1696	utf8::encode $path;	1985	utf8::encode $path;
1697	#aio_open $path, O_RDONLY, 0	1986	my $f = new_from_file cf::object::thawer $path
1698	# or return;
1699
1700	$self->_load_header ($path)
1701	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;
1702		1994
1703	$self->{load_path} = $path;	1995	$self->{load_path} = $path;
1704		1996
1705	1	1997	1
1706	}	1998	}
…		…
1760	sub find {	2052	sub find {
1761	my ($path, $origin) = @_;	2053	my ($path, $origin) = @_;
1762		2054
1763	$path = normalise $path, $origin && $origin->path;	2055	$path = normalise $path, $origin && $origin->path;
1764		2056
		2057	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1765	cf::lock_wait "map_find:$path";	2058	my $guard2 = cf::lock_acquire "map_find:$path";
1766		2059
1767	$cf::MAP{$path} || do {	2060	$cf::MAP{$path} || do {
1768	my $guard = cf::lock_acquire "map_find:$path";
1769	my $map = new_from_path cf::map $path	2061	my $map = new_from_path cf::map $path
1770	or return;	2062	or return;
1771		2063
1772	$map->{last_save} = $cf::RUNTIME;	2064	$map->{last_save} = $cf::RUNTIME;
1773		2065
…		…
1775	or return;	2067	or return;
1776		2068
1777	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2069	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1778	# doing this can freeze the server in a sync job, obviously	2070	# doing this can freeze the server in a sync job, obviously
1779	#$cf::WAIT_FOR_TICK->wait;	2071	#$cf::WAIT_FOR_TICK->wait;
		2072	undef $guard2;
		2073	undef $guard1;
1780	$map->reset;	2074	$map->reset;
1781	undef $guard;
1782	return find $path;	2075	return find $path;
1783	}	2076	}
1784		2077
1785	$cf::MAP{$path} = $map	2078	$cf::MAP{$path} = $map
1786	}	2079	}
1787	}	2080	}
1788		2081
1789	sub pre_load { }	2082	sub pre_load { }
1790	sub post_load { }	2083	#sub post_load { } # XS
1791		2084
1792	sub load {	2085	sub load {
1793	my ($self) = @_;	2086	my ($self) = @_;
1794		2087
1795	local $self->{deny_reset} = 1; # loading can take a long time	2088	local $self->{deny_reset} = 1; # loading can take a long time
1796		2089
1797	my $path = $self->{path};	2090	my $path = $self->{path};
1798		2091
1799	{	2092	{
1800	my $guard = cf::lock_acquire "map_load:$path";	2093	my $guard = cf::lock_acquire "map_data:$path";
1801		2094
		2095	return unless $self->valid;
1802	return if $self->in_memory != cf::MAP_SWAPPED;	2096	return unless $self->in_memory == cf::MAP_SWAPPED;
1803		2097
1804	$self->in_memory (cf::MAP_LOADING);	2098	$self->in_memory (cf::MAP_LOADING);
1805		2099
1806	$self->alloc;	2100	$self->alloc;
1807		2101
1808	$self->pre_load;	2102	$self->pre_load;
1809	Coro::cede;	2103	cf::cede_to_tick;
1810		2104
		2105	my $f = new_from_file cf::object::thawer $self->{load_path};
		2106	$f->skip_block;
1811	$self->_load_objects ($self->{load_path}, 1)	2107	$self->_load_objects ($f)
1812	or return;	2108	or return;
1813		2109
1814	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2110	$self->post_load_original
1815	if delete $self->{load_original};	2111	if delete $self->{load_original};
1816		2112
1817	if (my $uniq = $self->uniq_path) {	2113	if (my $uniq = $self->uniq_path) {
1818	utf8::encode $uniq;	2114	utf8::encode $uniq;
1819	if (aio_open $uniq, O_RDONLY, 0) {	2115	unless (aio_stat $uniq) {
		2116	if (my $f = new_from_file cf::object::thawer $uniq) {
1820	$self->clear_unique_items;	2117	$self->clear_unique_items;
1821	$self->_load_objects ($uniq, 0);	2118	$self->_load_objects ($f);
		2119	$f->resolve_delayed_derefs;
		2120	}
1822	}	2121	}
1823	}	2122	}
1824		2123
1825	Coro::cede;	2124	$f->resolve_delayed_derefs;
		2125
		2126	cf::cede_to_tick;
1826	# now do the right thing for maps	2127	# now do the right thing for maps
1827	$self->link_multipart_objects;	2128	$self->link_multipart_objects;
1828	$self->difficulty ($self->estimate_difficulty)	2129	$self->difficulty ($self->estimate_difficulty)
1829	unless $self->difficulty;	2130	unless $self->difficulty;
1830	Coro::cede;	2131	cf::cede_to_tick;
1831		2132
1832	unless ($self->{deny_activate}) {	2133	unless ($self->{deny_activate}) {
1833	$self->decay_objects;	2134	$self->decay_objects;
1834	$self->fix_auto_apply;	2135	$self->fix_auto_apply;
1835	$self->update_buttons;	2136	$self->update_buttons;
1836	Coro::cede;	2137	cf::cede_to_tick;
1837	$self->set_darkness_map;
1838	Coro::cede;
1839	$self->activate;	2138	$self->activate;
1840	}	2139	}
1841		2140
		2141	$self->{last_save} = $cf::RUNTIME;
		2142	$self->last_access ($cf::RUNTIME);
		2143
1842	$self->in_memory (cf::MAP_IN_MEMORY);	2144	$self->in_memory (cf::MAP_ACTIVE);
1843	}	2145	}
1844		2146
1845	$self->post_load;	2147	$self->post_load;
1846	}	2148	}
1847		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
1848	sub customise_for {	2153	sub customise_for {
1849	my ($self, $ob) = @_;	2154	my ($self, $ob) = @_;
1850		2155
1851	return find "~" . $ob->name . "/" . $self->{path}	2156	return find "~" . $ob->name . "/" . $self->{path}
1852	if $self->per_player;	2157	if $self->per_player;
…		…
1856		2161
1857	$self	2162	$self
1858	}	2163	}
1859		2164
1860	# 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
1861	sub load_diag {	2166	sub load_neighbours {
1862	my ($map) = @_;	2167	my ($map) = @_;
1863		2168
1864	my @diag; # diagonal neighbours	2169	my @neigh; # diagonal neighbours
1865		2170
1866	for (0 .. 3) {	2171	for (0 .. 3) {
1867	my $neigh = $map->tile_path ($_)	2172	my $neigh = $map->tile_path ($_)
1868	or next;	2173	or next;
1869	$neigh = find $neigh, $map	2174	$neigh = find $neigh, $map
1870	or next;	2175	or next;
1871	$neigh->load;	2176	$neigh->load;
1872		2177
		2178	# now find the diagonal neighbours
		2179	push @neigh,
1873	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2180	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1874	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2181	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1875	}	2182	}
1876		2183
1877	for (@diag) {	2184	for (grep defined $_->[0], @neigh) {
		2185	my ($path, $origin) = @$_;
1878	my $neigh = find @$_	2186	my $neigh = find $path, $origin
1879	or next;	2187	or next;
1880	$neigh->load;	2188	$neigh->load;
1881	}	2189	}
1882	}	2190	}
1883		2191
…		…
1888	}	2196	}
1889		2197
1890	sub do_load_sync {	2198	sub do_load_sync {
1891	my ($map) = @_;	2199	my ($map) = @_;
1892		2200
		2201	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2202	if $Coro::current == $Coro::main;
		2203
1893	cf::sync_job { $map->load };	2204	cf::sync_job { $map->load };
1894	}	2205	}
1895		2206
1896	our %MAP_PREFETCH;	2207	our %MAP_PREFETCH;
1897	our $MAP_PREFETCHER = undef;	2208	our $MAP_PREFETCHER = undef;
1898		2209
1899	sub find_async {	2210	sub find_async {
1900	my ($path, $origin) = @_;	2211	my ($path, $origin, $load) = @_;
1901		2212
1902	$path = normalise $path, $origin && $origin->{path};	2213	$path = normalise $path, $origin && $origin->{path};
1903		2214
1904	if (my $map = $cf::MAP{$path}) {	2215	if (my $map = $cf::MAP{$path}) {
1905	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2216	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1906	}	2217	}
1907		2218
1908	undef $MAP_PREFETCH{$path};	2219	$MAP_PREFETCH{$path} |= $load;
		2220
1909	$MAP_PREFETCHER ||= cf::async {	2221	$MAP_PREFETCHER ||= cf::async {
		2222	$Coro::current->{desc} = "map prefetcher";
		2223
1910	while (%MAP_PREFETCH) {	2224	while (%MAP_PREFETCH) {
1911	for my $path (keys %MAP_PREFETCH) {	2225	while (my ($k, $v) = each %MAP_PREFETCH) {
1912	my $map = find $path	2226	if (my $map = find $k) {
1913	or next;
1914	$map->load;	2227	$map->load if $v;
		2228	}
1915		2229
1916	delete $MAP_PREFETCH{$path};	2230	delete $MAP_PREFETCH{$k};
1917	}	2231	}
1918	}	2232	}
1919	undef $MAP_PREFETCHER;	2233	undef $MAP_PREFETCHER;
1920	};	2234	};
1921	$MAP_PREFETCHER->prio (6);	2235	$MAP_PREFETCHER->prio (6);
1922		2236
1923	()	2237	()
1924	}	2238	}
1925		2239
		2240	# common code, used by both ->save and ->swapout
1926	sub save {	2241	sub _save {
1927	my ($self) = @_;	2242	my ($self) = @_;
1928
1929	my $lock = cf::lock_acquire "map_data:" . $self->path;
1930		2243
1931	$self->{last_save} = $cf::RUNTIME;	2244	$self->{last_save} = $cf::RUNTIME;
1932		2245
1933	return unless $self->dirty;	2246	return unless $self->dirty;
1934		2247
…		…
1940	return if $self->{deny_save};	2253	return if $self->{deny_save};
1941		2254
1942	local $self->{last_access} = $self->last_access;#d#	2255	local $self->{last_access} = $self->last_access;#d#
1943		2256
1944	cf::async {	2257	cf::async {
		2258	$Coro::current->{desc} = "map player save";
1945	$_->contr->save for $self->players;	2259	$_->contr->save for $self->players;
1946	};	2260	};
		2261
		2262	cf::get_slot 0.02;
1947		2263
1948	if ($uniq) {	2264	if ($uniq) {
1949	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2265	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1950	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2266	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1951	} else {	2267	} else {
1952	$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);
1953	}	2269	}
1954	}	2270	}
1955		2271
		2272	sub save {
		2273	my ($self) = @_;
		2274
		2275	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2276
		2277	$self->_save;
		2278	}
		2279
1956	sub swap_out {	2280	sub swap_out {
1957	my ($self) = @_;	2281	my ($self) = @_;
1958		2282
1959	# save first because save cedes
1960	$self->save;
1961
1962	my $lock = cf::lock_acquire "map_data:" . $self->path;	2283	my $lock = cf::lock_acquire "map_data:$self->{path}";
1963		2284
		2285	return if $self->in_memory != cf::MAP_ACTIVE;
		2286	return if $self->{deny_save};
1964	return if $self->players;	2287	return if $self->players;
1965	return if $self->in_memory != cf::MAP_IN_MEMORY;
1966	return if $self->{deny_save};
1967		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
1968	$self->clear;	2298	$self->clear;
1969	$self->in_memory (cf::MAP_SWAPPED);
1970	}	2299	}
1971		2300
1972	sub reset_at {	2301	sub reset_at {
1973	my ($self) = @_;	2302	my ($self) = @_;
1974		2303
…		…
1992		2321
1993	my $lock = cf::lock_acquire "map_data:$self->{path}";	2322	my $lock = cf::lock_acquire "map_data:$self->{path}";
1994		2323
1995	return if $self->players;	2324	return if $self->players;
1996		2325
1997	warn "resetting map ", $self->path;	2326	cf::trace "resetting map ", $self->path, "\n";
1998		2327
1999	$self->in_memory (cf::MAP_SWAPPED);	2328	$self->in_memory (cf::MAP_SWAPPED);
2000		2329
2001	# need to save uniques path	2330	# need to save uniques path
2002	unless ($self->{deny_save}) {	2331	unless ($self->{deny_save}) {
…		…
2006	if $uniq;	2335	if $uniq;
2007	}	2336	}
2008		2337
2009	delete $cf::MAP{$self->path};	2338	delete $cf::MAP{$self->path};
2010		2339
		2340	$self->deactivate;
		2341	$_->clear_links_to ($self) for values %cf::MAP;
2011	$self->clear;	2342	$self->clear;
2012
2013	$_->clear_links_to ($self) for values %cf::MAP;
2014		2343
2015	$self->unlink_save;	2344	$self->unlink_save;
2016	$self->destroy;	2345	$self->destroy;
2017	}	2346	}
2018		2347
2019	my $nuke_counter = "aaaa";	2348	my $nuke_counter = "aaaa";
2020		2349
2021	sub nuke {	2350	sub nuke {
2022	my ($self) = @_;	2351	my ($self) = @_;
2023		2352
		2353	{
		2354	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2355
2024	delete $cf::MAP{$self->path};	2356	delete $cf::MAP{$self->path};
2025		2357
2026	$self->unlink_save;	2358	$self->unlink_save;
2027		2359
2028	bless $self, "cf::map";	2360	bless $self, "cf::map::wrap";
2029	delete $self->{deny_reset};	2361	delete $self->{deny_reset};
2030	$self->{deny_save} = 1;	2362	$self->{deny_save} = 1;
2031	$self->reset_timeout (1);	2363	$self->reset_timeout (1);
2032	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2364	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2033		2365
2034	$cf::MAP{$self->path} = $self;	2366	$cf::MAP{$self->path} = $self;
		2367	}
2035		2368
2036	$self->reset; # polite request, might not happen	2369	$self->reset; # polite request, might not happen
2037	}	2370	}
2038		2371
2039	=item $maps = cf::map::tmp_maps	2372	=item $maps = cf::map::tmp_maps
…		…
2081		2414
2082	sub unique_maps() {	2415	sub unique_maps() {
2083	[	2416	[
2084	map {	2417	map {
2085	utf8::decode $_;	2418	utf8::decode $_;
2086	/\.map$/	2419	s/\.map$//; # TODO future compatibility hack
		2420	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2421	? ()
2087	? normalise $_	2422	: normalise $_
2088	: ()
2089	} @{ aio_readdir $UNIQUEDIR or [] }	2423	} @{ aio_readdir $UNIQUEDIR or [] }
2090	]	2424	]
2091	}	2425	}
2092		2426
2093	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	}
2094		2458
2095	=back	2459	=back
2096		2460
2097	=head3 cf::object	2461	=head3 cf::object
2098		2462
…		…
2102		2466
2103	=over 4	2467	=over 4
2104		2468
2105	=item $ob->inv_recursive	2469	=item $ob->inv_recursive
2106		2470
2107	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.
2108		2473
2109	=cut	2474	=cut
2110		2475
2111	sub inv_recursive_;	2476	sub inv_recursive_;
2112	sub inv_recursive_ {	2477	sub inv_recursive_ {
…		…
2115		2480
2116	sub inv_recursive {	2481	sub inv_recursive {
2117	inv_recursive_ inv $_[0]	2482	inv_recursive_ inv $_[0]
2118	}	2483	}
2119		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
2120	package cf;	2513	package cf;
2121		2514
2122	=back	2515	=back
2123		2516
2124	=head3 cf::object::player	2517	=head3 cf::object::player
…		…
2130	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>
2131	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
2132	dialogue with the given NPC character.	2525	dialogue with the given NPC character.
2133		2526
2134	=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	};
2135		2542
2136	# rough implementation of a future "reply" method that works	2543	# rough implementation of a future "reply" method that works
2137	# with dialog boxes.	2544	# with dialog boxes.
2138	#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
2139	sub cf::object::player::reply($$$;$) {	2546	sub cf::object::player::reply($$$;$) {
…		…
2146		2553
2147	} else {	2554	} else {
2148	my $pl = $self->contr;	2555	my $pl = $self->contr;
2149		2556
2150	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2557	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2151	my $diag = $pl->{npc_dialog};	2558	my $dialog = $pl->{npc_dialog};
2152	$diag->{pl}->ext_reply (	2559	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2153	$diag->{id},
2154	msgtype => "reply",
2155	msg => $diag->{pl}->expand_cfpod ($msg),
2156	add_topics => []
2157	);
2158		2560
2159	} else {	2561	} else {
2160	$msg = $npc->name . " says: $msg" if $npc;	2562	$msg = $npc->name . " says: $msg" if $npc;
2161	$self->message ($msg, $flags);	2563	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2162	}	2564	}
2163	}	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 (@_);
2164	}	2576	}
2165		2577
2166	=item $player_object->may ("access")	2578	=item $player_object->may ("access")
2167		2579
2168	Returns wether the given player is authorized to access resource "access"	2580	Returns wether the given player is authorized to access resource "access"
…		…
2181		2593
2182	=item $player_object->enter_link	2594	=item $player_object->enter_link
2183		2595
2184	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}>).
2185		2597
2186	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.
2187	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.
2188		2602
2189	Will never block.	2603	Will never block.
2190		2604
2191	=item $player_object->leave_link ($map, $x, $y)	2605	=item $player_object->leave_link ($map, $x, $y)
2192		2606
…		…
2212	sub cf::object::player::enter_link {	2626	sub cf::object::player::enter_link {
2213	my ($self) = @_;	2627	my ($self) = @_;
2214		2628
2215	$self->deactivate_recursive;	2629	$self->deactivate_recursive;
2216		2630
		2631	++$self->{_link_recursion};
		2632
2217	return if UNIVERSAL::isa $self->map, "ext::map_link";	2633	return if UNIVERSAL::isa $self->map, "ext::map_link";
2218		2634
2219	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2635	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2220	if $self->map && $self->map->{path} ne "{link}";	2636	if $self->map && $self->map->{path} ne "{link}";
2221		2637
2222	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2638	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2223	}	2639	}
2224		2640
2225	sub cf::object::player::leave_link {	2641	sub cf::object::player::leave_link {
2226	my ($self, $map, $x, $y) = @_;	2642	my ($self, $map, $x, $y) = @_;
2227		2643
…		…
2244	($x, $y) = (-1, -1)	2660	($x, $y) = (-1, -1)
2245	unless (defined $x) && (defined $y);	2661	unless (defined $x) && (defined $y);
2246		2662
2247	# use -1 or undef as default coordinates, not 0, 0	2663	# use -1 or undef as default coordinates, not 0, 0
2248	($x, $y) = ($map->enter_x, $map->enter_y)	2664	($x, $y) = ($map->enter_x, $map->enter_y)
2249	if $x <=0 && $y <= 0;	2665	if $x <= 0 && $y <= 0;
2250		2666
2251	$map->load;	2667	$map->load;
2252	$map->load_diag;	2668	$map->load_neighbours;
2253		2669
2254	return unless $self->contr->active;	2670	return unless $self->contr->active;
2255	$self->activate_recursive;
2256		2671
2257	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2672	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2258	$self->enter_map ($map, $x, $y);	2673	if ($self->enter_map ($map, $x, $y)) {
2259	}	2674	# entering was successful
		2675	delete $self->{_link_recursion};
		2676	# only activate afterwards, to support waiting in hooks
		2677	$self->activate_recursive;
		2678	}
2260		2679
		2680	}
		2681
2261	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2682	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2262		2683
2263	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
2264	her, loading and preparing them map, calling the provided $check callback	2685	her, loading and preparing them map, calling the provided $check callback
2265	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
2266	the new (success) or old (failed) map position.	2687	the new (success) or old (failed) map position. In either case, $done will
		2688	be called at the end of this process.
		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 >>.
2267		2692
2268	=cut	2693	=cut
2269		2694
2270	our $GOTOGEN;	2695	our $GOTOGEN;
2271		2696
2272	sub cf::object::player::goto {	2697	sub cf::object::player::goto {
2273	my ($self, $path, $x, $y, $check) = @_;	2698	my ($self, $path, $x, $y, $check, $done) = @_;
		2699
		2700	if ($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	}
2274		2705
2275	# 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
2276	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2707	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2277		2708
2278	$self->enter_link;	2709	$self->enter_link;
2279		2710
2280	(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
2281	my $map = eval {	2733	my $map = eval {
2282	my $map = cf::map::find $path;	2734	my $map = defined $path ? cf::map::find $path : undef;
2283		2735
2284	if ($map) {	2736	if ($map) {
2285	$map = $map->customise_for ($self);	2737	$map = $map->customise_for ($self);
2286	$map = $check->($map) if $check && $map;	2738	$map = $check->($map, $x, $y, $self) if $check && $map;
2287	} else {	2739	} else {
2288	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2740	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2289	}	2741	}
2290		2742
2291	$map	2743	$map
2292	};	2744	};
2293		2745
…		…
2298		2750
2299	if ($gen == $self->{_goto_generation}) {	2751	if ($gen == $self->{_goto_generation}) {
2300	delete $self->{_goto_generation};	2752	delete $self->{_goto_generation};
2301	$self->leave_link ($map, $x, $y);	2753	$self->leave_link ($map, $x, $y);
2302	}	2754	}
		2755
		2756	$done->($self) if $done;
2303	})->prio (1);	2757	})->prio (1);
2304	}	2758	}
2305		2759
2306	=item $player_object->enter_exit ($exit_object)	2760	=item $player_object->enter_exit ($exit_object)
2307		2761
…		…
2327	}	2781	}
2328		2782
2329	sub prepare_random_map {	2783	sub prepare_random_map {
2330	my ($exit) = @_;	2784	my ($exit) = @_;
2331		2785
2332	my $guard = cf::lock_acquire "exit_prepare:$exit";
2333
2334	# all this does is basically replace the /! path by	2786	# all this does is basically replace the /! path by
2335	# a new random map path (?random/...) with a seed	2787	# a new random map path (?random/...) with a seed
2336	# that depends on the exit object	2788	# that depends on the exit object
2337		2789
2338	my $rmp = parse_random_map_params $exit->msg;	2790	my $rmp = parse_random_map_params $exit->msg;
…		…
2340	if ($exit->map) {	2792	if ($exit->map) {
2341	$rmp->{region} = $exit->region->name;	2793	$rmp->{region} = $exit->region->name;
2342	$rmp->{origin_map} = $exit->map->path;	2794	$rmp->{origin_map} = $exit->map->path;
2343	$rmp->{origin_x} = $exit->x;	2795	$rmp->{origin_x} = $exit->x;
2344	$rmp->{origin_y} = $exit->y;	2796	$rmp->{origin_y} = $exit->y;
		2797
		2798	$exit->map->touch;
2345	}	2799	}
2346		2800
2347	$rmp->{random_seed} ||= $exit->random_seed;	2801	$rmp->{random_seed} ||= $exit->random_seed;
2348		2802
2349	my $data = cf::to_json $rmp;	2803	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2350	my $md5 = Digest::MD5::md5_hex $data;	2804	my $md5 = Digest::MD5::md5_hex $data;
2351	my $meta = "$RANDOMDIR/$md5.meta";	2805	my $meta = "$RANDOMDIR/$md5.meta";
2352		2806
2353	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2807	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2354	aio_write $fh, 0, (length $data), $data, 0;	2808	aio_write $fh, 0, (length $data), $data, 0;
2355	undef $fh;	2809	undef $fh;
2356	aio_rename "$meta~", $meta;	2810	aio_rename "$meta~", $meta;
2357		2811
		2812	my $slaying = "?random/$md5";
		2813
		2814	if ($exit->valid) {
2358	$exit->slaying ("?random/$md5");	2815	$exit->slaying ("?random/$md5");
2359	$exit->msg (undef);	2816	$exit->msg (undef);
		2817	}
2360	}	2818	}
2361	}	2819	}
2362		2820
2363	sub cf::object::player::enter_exit {	2821	sub cf::object::player::enter_exit {
2364	my ($self, $exit) = @_;	2822	my ($self, $exit) = @_;
2365		2823
2366	return unless $self->type == cf::PLAYER;	2824	return unless $self->type == cf::PLAYER;
2367		2825
2368	if ($exit->slaying eq "/!") {
2369	#TODO: this should de-fi-ni-te-ly not be a sync-job
2370	# the problem is that $exit might not survive long enough
2371	# so it needs to be done right now, right here
2372	cf::sync_job { prepare_random_map $exit };
2373	}
2374
2375	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2376	my $hp = $exit->stats->hp;
2377	my $sp = $exit->stats->sp;
2378
2379	$self->enter_link;	2826	$self->enter_link;
2380		2827
2381	# if exit is damned, update players death & WoR home-position
2382	$self->contr->savebed ($slaying, $hp, $sp)
2383	if $exit->flag (FLAG_DAMNED);
2384
2385	(async {	2828	(async {
2386	$self->deactivate_recursive; # just to be sure	2829	$Coro::current->{desc} = "enter_exit";
		2830
2387	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
2388	$self->goto ($slaying, $hp, $sp);	2846	$self->goto ($map, $x, $y);
2389		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
2390	1;	2852	1
2391	}) {	2853	}) {
2392	$self->message ("Something went wrong deep within the crossfire server. "	2854	$self->message ("Something went wrong deep within the deliantra server. "
2393	. "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. "
2394	. "Please report this to the dungeon master!",	2856	. "Please report this to the dungeon master!",
2395	cf::NDI_UNIQUE | cf::NDI_RED);	2857	cf::NDI_UNIQUE | cf::NDI_RED);
2396		2858
2397	warn "ERROR in enter_exit: $@";	2859	error "ERROR in enter_exit: $@";
2398	$self->leave_link;	2860	$self->leave_link;
2399	}	2861	}
2400	})->prio (1);	2862	})->prio (1);
2401	}	2863	}
2402		2864
…		…
2416		2878
2417	utf8::encode $text;	2879	utf8::encode $text;
2418	$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);
2419	}	2881	}
2420		2882
		2883	=item $client->send_big_packet ($pkt)
		2884
		2885	Like C<send_packet>, but tries to compress large packets, and fragments
		2886	them as required.
		2887
		2888	=cut
		2889
		2890	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2891
		2892	sub cf::client::send_big_packet {
		2893	my ($self, $pkt) = @_;
		2894
		2895	# try lzf for large packets
		2896	$pkt = "lzf " . Compress::LZF::compress $pkt
		2897	if 1024 <= length $pkt and $self->{can_lzf};
		2898
		2899	# split very large packets
		2900	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2901	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2902	$pkt = "frag";
		2903	}
		2904
		2905	$self->send_packet ($pkt);
		2906	}
		2907
2421	=item $client->send_msg ($color, $type, $msg, [extra...])	2908	=item $client->send_msg ($channel, $msg, $color, [extra...])
2422		2909
2423	Send a drawinfo or msg packet to the client, formatting the msg for the	2910	Send a drawinfo or msg packet to the client, formatting the msg for the
2424	client if neccessary. C<$type> should be a string identifying the type of	2911	client if neccessary. C<$type> should be a string identifying the type of
2425	the message, with C<log> being the default. If C<$color> is negative, suppress	2912	the message, with C<log> being the default. If C<$color> is negative, suppress
2426	the message unless the client supports the msg packet.	2913	the message unless the client supports the msg packet.
2427		2914
2428	=cut	2915	=cut
2429		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" => $CHAT_CHANNEL,
		3029	);
		3030
2430	sub cf::client::send_msg {	3031	sub cf::client::send_msg {
2431	my ($self, $color, $type, $msg, @extra) = @_;	3032	my ($self, $channel, $msg, $color, @extra) = @_;
2432		3033
2433	$msg = $self->pl->expand_cfpod ($msg);	3034	$msg = $self->pl->expand_cfpod ($msg)
		3035	unless $color & cf::NDI_VERBATIM;
		3036
		3037	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3038
		3039	# check predefined channels, for the benefit of C
		3040	if ($CHANNEL{$channel}) {
		3041	$channel = $CHANNEL{$channel};
		3042
		3043	$self->ext_msg (channel_info => $channel);
		3044	$channel = $channel->{id};
		3045
		3046	} elsif (ref $channel) {
		3047	# send meta info to client, if not yet sent
		3048	unless (exists $self->{channel}{$channel->{id}}) {
		3049	$self->{channel}{$channel->{id}} = $channel;
		3050	$self->ext_msg (channel_info => $channel);
		3051	}
		3052
		3053	$channel = $channel->{id};
		3054	}
2434		3055
2435	return unless @extra || length $msg;	3056	return unless @extra || length $msg;
2436		3057
2437	if ($self->can_msg) {	3058	# default colour, mask it out
2438	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	3059	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2439	} else {	3060	if $color & cf::NDI_DEF;
2440	# replace some tags by gcfclient-compatible ones
2441	for ($msg) {
2442	1 while
2443	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2444	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2445	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2446	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2447	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2448	}
2449		3061
2450	if ($color >= 0) {	3062	my $pkt = "msg "
2451	if (0 && $msg =~ /\[/) {	3063	. $self->{json_coder}->encode (
2452	$self->send_packet ("drawextinfo $color 4 0 $msg")	3064	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2453	} else {	3065	);
2454	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2455	$self->send_packet ("drawinfo $color $msg")
2456	}
2457	}
2458	}
2459	}
2460		3066
		3067	$self->send_big_packet ($pkt);
		3068	}
		3069
2461	=item $client->ext_event ($type, %msg)	3070	=item $client->ext_msg ($type, @msg)
2462		3071
2463	Sends an ext event to the client.	3072	Sends an ext event to the client.
2464		3073
2465	=cut	3074	=cut
2466		3075
2467	sub cf::client::ext_event($$%) {	3076	sub cf::client::ext_msg($$@) {
2468	my ($self, $type, %msg) = @_;	3077	my ($self, $type, @msg) = @_;
2469		3078
2470	return unless $self->extcmd;	3079	if ($self->extcmd == 2) {
2471		3080	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3081	} elsif ($self->extcmd == 1) { # TODO: remove
2472	$msg{msgtype} = "event_$type";	3082	push @msg, msgtype => "event_$type";
2473	$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	}
2474	}	3103	}
2475		3104
2476	=item $success = $client->query ($flags, "text", \&cb)	3105	=item $success = $client->query ($flags, "text", \&cb)
2477		3106
2478	Queues a query to the client, calling the given callback with	3107	Queues a query to the client, calling the given callback with
…		…
2533	my ($ns, $buf) = @_;	3162	my ($ns, $buf) = @_;
2534		3163
2535	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3164	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2536		3165
2537	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
2538	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3174	if (my $cb = $EXTICMD{$type}) {
2539	if (my %reply = $cb->($ns, $msg)) {	3175	@reply = $cb->($ns, @payload);
2540	$reply{msgid} = $msg->{msgid};
2541	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2542	}
2543	}	3176	}
		3177
		3178	$ns->ext_reply ($reply, @reply)
		3179	if $reply;
		3180
2544	} else {	3181	} else {
2545	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";
2546	}	3183	}
2547		3184
2548	cf::override;	3185	cf::override;
2549	},	3186	},
2550	);	3187	);
…		…
2570		3207
2571	$coro	3208	$coro
2572	}	3209	}
2573		3210
2574	cf::client->attach (	3211	cf::client->attach (
2575	on_destroy => sub {	3212	on_client_destroy => sub {
2576	my ($ns) = @_;	3213	my ($ns) = @_;
2577		3214
2578	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3215	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2579	},	3216	},
2580	);	3217	);
…		…
2595	our $safe = new Safe "safe";	3232	our $safe = new Safe "safe";
2596	our $safe_hole = new Safe::Hole;	3233	our $safe_hole = new Safe::Hole;
2597		3234
2598	$SIG{FPE} = 'IGNORE';	3235	$SIG{FPE} = 'IGNORE';
2599		3236
2600	$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	));
2601		3242
2602	# here we export the classes and methods available to script code	3243	# here we export the classes and methods available to script code
2603		3244
2604	=pod	3245	=pod
2605		3246
2606	The following functions and methods are available within a safe environment:	3247	The following functions and methods are available within a safe environment:
2607		3248
2608	cf::object	3249	cf::object
2609	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
2610	insert remove	3251	insert remove name archname title slaying race decrease split
		3252	value
2611		3253
2612	cf::object::player	3254	cf::object::player
2613	player	3255	player
2614		3256
2615	cf::player	3257	cf::player
…		…
2620		3262
2621	=cut	3263	=cut
2622		3264
2623	for (	3265	for (
2624	["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
2625	insert remove)],	3267	insert remove inv nrof name archname title slaying race
		3268	decrease split destroy change_exp value msg lore send_msg)],
2626	["cf::object::player" => qw(player)],	3269	["cf::object::player" => qw(player)],
2627	["cf::player" => qw(peaceful)],	3270	["cf::player" => qw(peaceful send_msg)],
2628	["cf::map" => qw(trigger)],	3271	["cf::map" => qw(trigger)],
2629	) {	3272	) {
2630	no strict 'refs';	3273	no strict 'refs';
2631	my ($pkg, @funs) = @$_;	3274	my ($pkg, @funs) = @$_;
2632	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3275	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2650		3293
2651	my $qcode = $code;	3294	my $qcode = $code;
2652	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3295	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2653	$qcode =~ s/\n/\\n/g;	3296	$qcode =~ s/\n/\\n/g;
2654		3297
		3298	%vars = (_dummy => 0) unless %vars;
		3299
		3300	my @res;
2655	local $_;	3301	local $_;
2656	local @safe::cf::_safe_eval_args = values %vars;
2657		3302
2658	my $eval =	3303	my $eval =
2659	"do {\n"	3304	"do {\n"
2660	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3305	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2661	. "#line 0 \"{$qcode}\"\n"	3306	. "#line 0 \"{$qcode}\"\n"
2662	. $code	3307	. $code
2663	. "\n}"	3308	. "\n}"
2664	;	3309	;
2665		3310
		3311	if ($CFG{safe_eval}) {
2666	sub_generation_inc;	3312	sub_generation_inc;
		3313	local @safe::cf::_safe_eval_args = values %vars;
2667	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3314	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2668	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	}
2669		3320
2670	if ($@) {	3321	if ($@) {
2671	warn "$@";	3322	warn "$@",
2672	warn "while executing safe code '$code'\n";	3323	"while executing safe code '$code'\n",
2673	warn "with arguments " . (join " ", %vars) . "\n";	3324	"with arguments " . (join " ", %vars) . "\n";
2674	}	3325	}
2675		3326
2676	wantarray ? @res : $res[0]	3327	wantarray ? @res : $res[0]
2677	}	3328	}
2678		3329
…		…
2692	=cut	3343	=cut
2693		3344
2694	sub register_script_function {	3345	sub register_script_function {
2695	my ($fun, $cb) = @_;	3346	my ($fun, $cb) = @_;
2696		3347
2697	no strict 'refs';	3348	$fun = "safe::$fun" if $CFG{safe_eval};
2698	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3349	*$fun = $safe_hole->wrap ($cb);
2699	}	3350	}
2700		3351
2701	=back	3352	=back
2702		3353
2703	=cut	3354	=cut
…		…
2706	# the server's init and main functions	3357	# the server's init and main functions
2707		3358
2708	sub load_facedata($) {	3359	sub load_facedata($) {
2709	my ($path) = @_;	3360	my ($path) = @_;
2710		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
2711	warn "loading facedata from $path\n";	3368	trace "loading facedata from $path\n";
2712		3369
2713	my $facedata;	3370	my $facedata;
2714	0 < aio_load $path, $facedata	3371	0 < aio_load $path, $facedata
2715	or die "$path: $!";	3372	or die "$path: $!";
2716		3373
2717	$facedata = Coro::Storable::thaw $facedata;	3374	$facedata = Coro::Storable::thaw $facedata;
2718		3375
2719	$facedata->{version} == 2	3376	$facedata->{version} == 2
2720	or cf::cleanup "$path: version mismatch, cannot proceed.";	3377	or cf::cleanup "$path: version mismatch, cannot proceed.";
2721		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
2722	{	3388	{
2723	my $faces = $facedata->{faceinfo};	3389	my $faces = $facedata->{faceinfo};
2724		3390
2725	while (my ($face, $info) = each %$faces) {	3391	while (my ($face, $info) = each %$faces) {
2726	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3392	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3393
2727	cf::face::set_visibility $idx, $info->{visibility};	3394	cf::face::set_visibility $idx, $info->{visibility};
2728	cf::face::set_magicmap $idx, $info->{magicmap};	3395	cf::face::set_magicmap $idx, $info->{magicmap};
2729	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3396	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2730	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3397	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2731		3398
2732	cf::cede_to_tick;	3399	cf::cede_to_tick;
2733	}	3400	}
2734		3401
2735	while (my ($face, $info) = each %$faces) {	3402	while (my ($face, $info) = each %$faces) {
2736	next unless $info->{smooth};	3403	next unless $info->{smooth};
		3404
2737	my $idx = cf::face::find $face	3405	my $idx = cf::face::find $face
2738	or next;	3406	or next;
		3407
2739	if (my $smooth = cf::face::find $info->{smooth}) {	3408	if (my $smooth = cf::face::find $info->{smooth}) {
2740	cf::face::set_smooth $idx, $smooth;	3409	cf::face::set_smooth $idx, $smooth;
2741	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3410	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2742	} else {	3411	} else {
2743	warn "smooth face '$info->{smooth}' not found for face '$face'";	3412	error "smooth face '$info->{smooth}' not found for face '$face'";
2744	}	3413	}
2745		3414
2746	cf::cede_to_tick;	3415	cf::cede_to_tick;
2747	}	3416	}
2748	}	3417	}
…		…
2757		3426
2758	cf::anim::invalidate_all; # d'oh	3427	cf::anim::invalidate_all; # d'oh
2759	}	3428	}
2760		3429
2761	{	3430	{
2762	# TODO: for gcfclient pleasure, we should give resources
2763	# that gcfclient doesn't grok a >10000 face index.
2764	my $res = $facedata->{resource};	3431	my $res = $facedata->{resource};
2765	my $enc = JSON::XS->new->utf8->canonical;
2766		3432
2767	while (my ($name, $info) = each %$res) {	3433	while (my ($name, $info) = each %$res) {
2768	my $meta = $enc->encode ({	3434	if (defined $info->{type}) {
2769	name => $name,
2770	type => $info->{type},
2771	copyright => $info->{copyright}, #TODO#
2772	});
2773	my $data = pack "(w/a*)*", $meta, $info->{data};
2774	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2775
2776	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3435	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3436
		3437	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
2777	cf::face::set_type $idx, 1;	3438	cf::face::set_type $idx, $info->{type};
2778	cf::face::set_data $idx, 0, $data, $chk;	3439	} else {
		3440	$RESOURCE{$name} = $info; # unused
		3441	}
2779		3442
2780	cf::cede_to_tick;	3443	cf::cede_to_tick;
2781	}	3444	}
2782	}	3445	}
2783		3446
		3447	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3448
2784	1	3449	1
2785	}	3450	}
2786		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
2787	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
2788	load_resource_file "$MAPDIR/regions"	3475	load_resource_file "$MAPDIR/regions"
2789	or die "unable to load regions file\n";	3476	or die "unable to load regions file\n";
2790		3477
2791	for (cf::region::list) {	3478	for (cf::region::list) {
2792	$_->{match} = qr/$_->{match}/	3479	$_->{match} = qr/$_->{match}/
…		…
2800	}	3487	}
2801		3488
2802	sub reload_archetypes {	3489	sub reload_archetypes {
2803	load_resource_file "$DATADIR/archetypes"	3490	load_resource_file "$DATADIR/archetypes"
2804	or die "unable to load archetypes\n";	3491	or die "unable to load archetypes\n";
2805	#d# NEED to laod twice to resolve forward references
2806	# this really needs to be done in an extra post-pass
2807	# (which needs to be synchronous, so solve it differently)
2808	load_resource_file "$DATADIR/archetypes"
2809	or die "unable to load archetypes\n";
2810	}	3492	}
2811		3493
2812	sub reload_treasures {	3494	sub reload_treasures {
2813	load_resource_file "$DATADIR/treasures"	3495	load_resource_file "$DATADIR/treasures"
2814	or die "unable to load treasurelists\n";	3496	or die "unable to load treasurelists\n";
2815	}	3497	}
2816		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
2817	sub reload_resources {	3522	sub reload_resources {
2818	warn "reloading resource files...\n";	3523	trace "reloading resource files...\n";
2819		3524
		3525	reload_facedata;
		3526	reload_sound;
		3527	reload_archetypes;
2820	reload_regions;	3528	reload_regions;
2821	reload_facedata;
2822	#reload_archetypes;#d#
2823	reload_archetypes;
2824	reload_treasures;	3529	reload_treasures;
2825		3530
2826	warn "finished reloading resource files\n";	3531	trace "finished reloading resource files\n";
2827	}	3532	}
2828		3533
2829	sub init {	3534	sub reload_config {
2830	reload_resources;	3535	trace "reloading config file...\n";
2831	}
2832		3536
2833	sub cfg_load {
2834	open my $fh, "<:utf8", "$CONFDIR/config"	3537	open my $fh, "<:utf8", "$CONFDIR/config"
2835	or return;	3538	or return;
2836		3539
2837	local $/;	3540	local $/;
2838	*CFG = YAML::Syck::Load <$fh>;	3541	*CFG = YAML::XS::Load scalar <$fh>;
2839		3542
2840	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3543	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2841		3544
2842	$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};
2843	$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};
2844		3547
2845	if (exists $CFG{mlockall}) {	3548	if (exists $CFG{mlockall}) {
…		…
2847	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3550	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2848	and die "WARNING: m(un)lockall failed: $!\n";	3551	and die "WARNING: m(un)lockall failed: $!\n";
2849	};	3552	};
2850	warn $@ if $@;	3553	warn $@ if $@;
2851	}	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;
2852	}	3585	}
2853		3586
2854	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
2855	# we must not ever block the main coroutine	3597	# we must not ever block the main coroutine
2856	local $Coro::idle = sub {	3598	local $Coro::idle = sub {
2857	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#
2858	(async {	3600	(async {
2859	Event::one_event;	3601	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3602	EV::loop EV::LOOP_ONESHOT;
2860	})->prio (Coro::PRIO_MAX);	3603	})->prio (Coro::PRIO_MAX);
2861	};	3604	};
2862		3605
2863	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;
2864	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
2865	load_extensions;	3629	load_extensions;
2866		3630
2867	$TICK_WATCHER->start;	3631	utime time, time, $RUNTIMEFILE;
2868	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;
2869	}	3644	}
2870		3645
2871	#############################################################################	3646	#############################################################################
2872	# initialisation and cleanup	3647	# initialisation and cleanup
2873		3648
2874	# install some emergency cleanup handlers	3649	# install some emergency cleanup handlers
2875	BEGIN {	3650	BEGIN {
		3651	our %SIGWATCHER = ();
2876	for my $signal (qw(INT HUP TERM)) {	3652	for my $signal (qw(INT HUP TERM)) {
2877	Event->signal (	3653	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2878	reentrant => 0,
2879	data => WF_AUTOCANCEL,
2880	signal => $signal,
2881	prio => 0,
2882	cb => sub {
2883	cf::cleanup "SIG$signal";	3654	cf::cleanup "SIG$signal";
2884	},
2885	);	3655	};
2886	}	3656	}
2887	}	3657	}
2888		3658
2889	sub write_runtime {	3659	sub write_runtime_sync {
2890	my $runtime = "$LOCALDIR/runtime";	3660	my $t0 = AE::time;
2891		3661
2892	# first touch the runtime file to show we are still running:	3662	# first touch the runtime file to show we are still running:
2893	# the fsync below can take a very very long time.	3663	# the fsync below can take a very very long time.
2894		3664
2895	IO::AIO::aio_utime $runtime, undef, undef;	3665	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2896		3666
2897	my $guard = cf::lock_acquire "write_runtime";	3667	my $guard = cf::lock_acquire "write_runtime";
2898		3668
2899	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3669	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2900	or return;	3670	or return;
2901		3671
2902	my $value = $cf::RUNTIME + 90 + 10;	3672	my $value = $cf::RUNTIME + 90 + 10;
2903	# 10 is the runtime save interval, for a monotonic clock	3673	# 10 is the runtime save interval, for a monotonic clock
2904	# 60 allows for the watchdog to kill the server.	3674	# 60 allows for the watchdog to kill the server.
…		…
2914	aio_utime $fh, undef, undef;	3684	aio_utime $fh, undef, undef;
2915		3685
2916	close $fh	3686	close $fh
2917	or return;	3687	or return;
2918		3688
2919	aio_rename "$runtime~", $runtime	3689	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2920	and return;	3690	and return;
2921		3691
2922	warn "runtime file written.\n";	3692	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2923		3693
2924	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 };
2925	}	3745	}
2926		3746
2927	sub emergency_save() {	3747	sub emergency_save() {
2928	my $freeze_guard = cf::freeze_mainloop;	3748	my $freeze_guard = cf::freeze_mainloop;
2929		3749
2930	warn "enter emergency perl save\n";	3750	info "emergency_perl_save: enter\n";
2931		3751
2932	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
2933	# use a peculiar iteration method to avoid tripping on perl	3758	# use a peculiar iteration method to avoid tripping on perl
2934	# refcount bugs in for. also avoids problems with players	3759	# refcount bugs in for. also avoids problems with players
2935	# and maps saved/destroyed asynchronously.	3760	# and maps saved/destroyed asynchronously.
2936	warn "begin emergency player save\n";	3761	info "emergency_perl_save: begin player save\n";
2937	for my $login (keys %cf::PLAYER) {	3762	for my $login (keys %cf::PLAYER) {
2938	my $pl = $cf::PLAYER{$login} or next;	3763	my $pl = $cf::PLAYER{$login} or next;
2939	$pl->valid or next;	3764	$pl->valid or next;
		3765	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2940	$pl->save;	3766	$pl->save;
2941	}	3767	}
2942	warn "end emergency player save\n";	3768	info "emergency_perl_save: end player save\n";
2943		3769
2944	warn "begin emergency map save\n";	3770	info "emergency_perl_save: begin map save\n";
2945	for my $path (keys %cf::MAP) {	3771	for my $path (keys %cf::MAP) {
2946	my $map = $cf::MAP{$path} or next;	3772	my $map = $cf::MAP{$path} or next;
2947	$map->valid or next;	3773	$map->valid or next;
2948	$map->save;	3774	$map->save;
2949	}	3775	}
2950	warn "end emergency map save\n";	3776	info "emergency_perl_save: end map save\n";
2951		3777
2952	warn "begin emergency database checkpoint\n";	3778	info "emergency_perl_save: begin database checkpoint\n";
2953	BDB::db_env_txn_checkpoint $DB_ENV;	3779	BDB::db_env_txn_checkpoint $DB_ENV;
2954	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";
2955	};	3785	};
2956		3786
2957	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";
2958	}	3793	}
2959		3794
2960	sub post_cleanup {	3795	sub post_cleanup {
2961	my ($make_core) = @_;	3796	my ($make_core) = @_;
2962		3797
2963	warn Carp::longmess "post_cleanup backtrace"	3798	error Carp::longmess "post_cleanup backtrace"
2964	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	}
2965	}	3828	}
2966		3829
2967	sub do_reload_perl() {	3830	sub do_reload_perl() {
2968	# can/must only be called in main	3831	# can/must only be called in main
2969	if ($Coro::current != $Coro::main) {	3832	if (in_main) {
2970	warn "can only reload from main coroutine";	3833	error "can only reload from main coroutine";
2971	return;	3834	return;
2972	}	3835	}
2973		3836
		3837	return if $RELOAD++;
		3838
		3839	my $t1 = AE::time;
		3840
		3841	while ($RELOAD) {
2974	warn "reloading...";	3842	info "reloading...";
2975		3843
2976	warn "entering sync_job";	3844	trace "entering sync_job";
2977		3845
2978	cf::sync_job {	3846	cf::sync_job {
2979	cf::write_runtime; # external watchdog should not bark	3847	cf::write_runtime_sync; # external watchdog should not bark
2980	cf::emergency_save;	3848	cf::emergency_save;
2981	cf::write_runtime; # external watchdog should not bark	3849	cf::write_runtime_sync; # external watchdog should not bark
2982		3850
2983	warn "syncing database to disk";	3851	trace "syncing database to disk";
2984	BDB::db_env_txn_checkpoint $DB_ENV;	3852	BDB::db_env_txn_checkpoint $DB_ENV;
2985		3853
2986	# 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
2987		3855
2988	warn "cancelling all WF_AUTOCANCEL watchers";
2989	for (Event::all_watchers) {
2990	$_->cancel if $_->data & WF_AUTOCANCEL;
2991	}
2992
2993	warn "flushing outstanding aio requests";	3856	trace "flushing outstanding aio requests";
2994	for (;;) {
2995	BDB::flush;
2996	IO::AIO::flush;
2997	Coro::cede;
2998	last unless IO::AIO::nreqs || BDB::nreqs;	3857	while (IO::AIO::nreqs || BDB::nreqs) {
2999	warn "iterate...";	3858	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3000	}
3001
3002	++$RELOAD;
3003
3004	warn "cancelling all extension coros";
3005	$_->cancel for values %EXT_CORO;
3006	%EXT_CORO = ();
3007
3008	warn "removing commands";
3009	%COMMAND = ();
3010
3011	warn "removing ext/exti commands";
3012	%EXTCMD = ();
3013	%EXTICMD = ();
3014
3015	warn "unloading/nuking all extensions";
3016	for my $pkg (@EXTS) {
3017	warn "... unloading $pkg";
3018
3019	if (my $cb = $pkg->can ("unload")) {
3020	eval {
3021	$cb->($pkg);
3022	1
3023	} or warn "$pkg unloaded, but with errors: $@";
3024	}	3859	}
3025		3860
3026	warn "... nuking $pkg";	3861	trace "cancelling all extension coros";
3027	Symbol::delete_package $pkg;	3862	$_->cancel for values %EXT_CORO;
3028	}	3863	%EXT_CORO = ();
3029		3864
3030	warn "unloading all perl modules loaded from $LIBDIR";	3865	trace "removing commands";
3031	while (my ($k, $v) = each %INC) {	3866	%COMMAND = ();
3032	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3033		3867
		3868	trace "removing ext/exti commands";
		3869	%EXTCMD = ();
		3870	%EXTICMD = ();
		3871
		3872	trace "unloading/nuking all extensions";
		3873	for my $pkg (@EXTS) {
3034	warn "... unloading $k";	3874	trace "... unloading $pkg";
3035	delete $INC{$k};
3036		3875
3037	$k =~ s/\.pm$//;
3038	$k =~ s/\//::/g;
3039
3040	if (my $cb = $k->can ("unload_module")) {	3876	if (my $cb = $pkg->can ("unload")) {
		3877	eval {
3041	$cb->();	3878	$cb->($pkg);
		3879	1
		3880	} or error "$pkg unloaded, but with errors: $@";
		3881	}
		3882
		3883	trace "... clearing $pkg";
		3884	clear_package $pkg;
3042	}	3885	}
3043		3886
3044	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 $k;
3045	}	3902	}
3046		3903
3047	warn "getting rid of safe::, as good as possible";	3904	trace "getting rid of safe::, as good as possible";
3048	Symbol::delete_package "safe::$_"	3905	clear_package "safe::$_"
3049	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);
3050		3907
3051	warn "unloading cf.pm \"a bit\"";	3908	trace "unloading cf.pm \"a bit\"";
3052	delete $INC{"cf.pm"};	3909	delete $INC{"cf.pm"};
3053	delete $INC{"cf/pod.pm"};	3910	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3054		3911
3055	# don't, removes xs symbols, too,	3912	# don't, removes xs symbols, too,
3056	# and global variables created in xs	3913	# and global variables created in xs
3057	#Symbol::delete_package __PACKAGE__;	3914	#clear_package __PACKAGE__;
3058		3915
3059	warn "unload completed, starting to reload now";	3916	info "unload completed, starting to reload now";
3060		3917
3061	warn "reloading cf.pm";	3918	trace "reloading cf.pm";
3062	require cf;	3919	require cf;
3063	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3920	cf::_connect_to_perl_1;
3064		3921
3065	warn "loading config and database again";	3922	trace "loading config and database again";
3066	cf::cfg_load;	3923	cf::reload_config;
3067		3924
3068	warn "loading extensions";	3925	trace "loading extensions";
3069	cf::load_extensions;	3926	cf::load_extensions;
3070		3927
		3928	if ($REATTACH_ON_RELOAD) {
3071	warn "reattaching attachments to objects/players";	3929	trace "reattaching attachments to objects/players";
3072	_global_reattach; # objects, sockets	3930	_global_reattach; # objects, sockets
3073	warn "reattaching attachments to maps";	3931	trace "reattaching attachments to maps";
3074	reattach $_ for values %MAP;	3932	reattach $_ for values %MAP;
3075	warn "reattaching attachments to players";	3933	trace "reattaching attachments to players";
3076	reattach $_ for values %PLAYER;	3934	reattach $_ for values %PLAYER;
		3935	}
3077		3936
		3937	trace "running post_init jobs";
		3938	(pop @POST_INIT)->(1) while @POST_INIT;
		3939
3078	warn "leaving sync_job";	3940	trace "leaving sync_job";
3079		3941
3080	1	3942	1
3081	} or do {	3943	} or do {
3082	warn $@;	3944	error $@;
3083	warn "error while reloading, exiting.";	3945	cf::cleanup "error while reloading, exiting.";
3084	exit 1;	3946	};
		3947
		3948	info "reloaded";
		3949	--$RELOAD;
3085	};	3950	}
3086		3951
3087	warn "reloaded";	3952	$t1 = AE::time - $t1;
		3953	info "reload completed in ${t1}s\n";
3088	};	3954	};
3089		3955
3090	our $RELOAD_WATCHER; # used only during reload	3956	our $RELOAD_WATCHER; # used only during reload
3091		3957
3092	sub reload_perl() {	3958	sub reload_perl() {
3093	# doing reload synchronously and two reloads happen back-to-back,	3959	# doing reload synchronously and two reloads happen back-to-back,
3094	# coro crashes during coro_state_free->destroy here.	3960	# coro crashes during coro_state_free->destroy here.
3095		3961
3096	$RELOAD_WATCHER ||= Event->timer (	3962	$RELOAD_WATCHER ||= cf::async {
3097	reentrant => 0,	3963	Coro::AIO::aio_wait cache_extensions;
3098	after => 0,	3964
3099	data => WF_AUTOCANCEL,	3965	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3100	cb => sub {
3101	do_reload_perl;	3966	do_reload_perl;
3102	undef $RELOAD_WATCHER;	3967	undef $RELOAD_WATCHER;
3103	},	3968	};
3104	);	3969	};
3105	}	3970	}
3106		3971
3107	register_command "reload" => sub {	3972	register_command "reload" => sub {
3108	my ($who, $arg) = @_;	3973	my ($who, $arg) = @_;
3109		3974
3110	if ($who->flag (FLAG_WIZ)) {	3975	if ($who->flag (FLAG_WIZ)) {
3111	$who->message ("reloading server.");	3976	$who->message ("reloading server.");
		3977	async {
		3978	$Coro::current->{desc} = "perl_reload";
3112	async { reload_perl };	3979	reload_perl;
		3980	};
3113	}	3981	}
3114	};	3982	};
3115		3983
3116	unshift @INC, $LIBDIR;	3984	unshift @INC, $LIBDIR;
3117		3985
…		…
3119		3987
3120	our @WAIT_FOR_TICK;	3988	our @WAIT_FOR_TICK;
3121	our @WAIT_FOR_TICK_BEGIN;	3989	our @WAIT_FOR_TICK_BEGIN;
3122		3990
3123	sub wait_for_tick {	3991	sub wait_for_tick {
3124	return unless $TICK_WATCHER->is_active;
3125	return if $Coro::current == $Coro::main;	3992	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3126		3993
3127	my $signal = new Coro::Signal;	3994	my $signal = new Coro::Signal;
3128	push @WAIT_FOR_TICK, $signal;	3995	push @WAIT_FOR_TICK, $signal;
3129	$signal->wait;	3996	$signal->wait;
3130	}	3997	}
3131		3998
3132	sub wait_for_tick_begin {	3999	sub wait_for_tick_begin {
3133	return unless $TICK_WATCHER->is_active;
3134	return if $Coro::current == $Coro::main;	4000	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3135		4001
3136	my $signal = new Coro::Signal;	4002	my $signal = new Coro::Signal;
3137	push @WAIT_FOR_TICK_BEGIN, $signal;	4003	push @WAIT_FOR_TICK_BEGIN, $signal;
3138	$signal->wait;	4004	$signal->wait;
3139	}	4005	}
3140		4006
3141	my $min = 1e6;#d#	4007	sub tick {
3142	my $avg = 10;
3143	$TICK_WATCHER = Event->timer (
3144	reentrant => 0,
3145	parked => 1,
3146	prio => 0,
3147	at => $NEXT_TICK || $TICK,
3148	data => WF_AUTOCANCEL,
3149	cb => sub {
3150	if ($Coro::current != $Coro::main) {	4008	if ($Coro::current != $Coro::main) {
3151	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4009	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3152	unless ++$bug_warning > 10;	4010	unless ++$bug_warning > 10;
3153	return;	4011	return;
3154	}	4012	}
3155		4013
3156	$NOW = $tick_start = Event::time;
3157
3158	cf::server_tick; # one server iteration	4014	cf::server_tick; # one server iteration
3159		4015
3160	0 && sync_job {#d#	4016	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3161	for(1..10) {
3162	my $t = Event::time;
3163	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3164	or die;
3165		4017
3166	$map->width (50);	4018	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3167	$map->height (50);	4019	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3168	$map->alloc;	4020	Coro::async_pool {
3169	$map->_load_objects ("/tmp/x.map", 1);	4021	$Coro::current->{desc} = "runtime saver";
3170	my $t = Event::time - $t;	4022	write_runtime_sync
3171		4023	or error "ERROR: unable to write runtime file: $!";
3172	#next unless $t < 0.0013;#d#
3173	if ($t < $min) {
3174	$min = $t;
3175	}
3176	$avg = $avg * 0.99 + $t * 0.01;
3177	}
3178	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3179	exit 0;
3180	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3181	};	4024	};
		4025	}
3182		4026
3183	$RUNTIME += $TICK;
3184	$NEXT_TICK += $TICK;
3185
3186	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3187	$NEXT_RUNTIME_WRITE = $NOW + 10;
3188	Coro::async_pool {
3189	write_runtime
3190	or warn "ERROR: unable to write runtime file: $!";
3191	};
3192	}
3193
3194	# my $AFTER = Event::time;
3195	# warn $AFTER - $NOW;#d#
3196
3197	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4027	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3198	$sig->send;	4028	$sig->send;
3199	}	4029	}
3200	while (my $sig = shift @WAIT_FOR_TICK) {	4030	while (my $sig = shift @WAIT_FOR_TICK) {
3201	$sig->send;	4031	$sig->send;
3202	}	4032	}
3203		4033
3204	$NOW = Event::time;	4034	$LOAD = ($NOW - $TICK_START) / $TICK;
3205
3206	# if we are delayed by four ticks or more, skip them all
3207	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3208
3209	$TICK_WATCHER->at ($NEXT_TICK);
3210	$TICK_WATCHER->start;
3211
3212	$LOAD = ($NOW - $tick_start) / $TICK;
3213	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4035	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3214		4036
3215	_post_tick;	4037	if (0) {
3216		4038	if ($NEXT_TICK) {
3217		4039	my $jitter = $TICK_START - $NEXT_TICK;
		4040	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4041	debug "jitter $JITTER\n";#d#
		4042	}
3218	},	4043	}
3219	);	4044	}
3220		4045
3221	{	4046	{
3222	BDB::max_poll_time $TICK * 0.1;	4047	# configure BDB
3223	$BDB_POLL_WATCHER = Event->io (	4048
3224	reentrant => 0,
3225	fd => BDB::poll_fileno,
3226	poll => 'r',
3227	prio => 0,
3228	data => WF_AUTOCANCEL,
3229	cb => \&BDB::poll_cb,
3230	);
3231	BDB::min_parallel 8;	4049	BDB::min_parallel 16;
3232		4050	BDB::max_poll_reqs $TICK * 0.1;
3233	BDB::set_sync_prepare {	4051	$AnyEvent::BDB::WATCHER->priority (1);
3234	my $status;
3235	my $current = $Coro::current;
3236	(
3237	sub {
3238	$status = $!;
3239	$current->ready; undef $current;
3240	},
3241	sub {
3242	Coro::schedule while defined $current;
3243	$! = $status;
3244	},
3245	)
3246	};
3247		4052
3248	unless ($DB_ENV) {	4053	unless ($DB_ENV) {
3249	$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);
3250		4060
		4061	(Coro::async { # async to keep sync_job from complaining
3251	cf::sync_job {	4062	cf::sync_job {
3252	eval {	4063	eval {
3253	BDB::db_env_open	4064	BDB::db_env_open
3254	$DB_ENV,	4065	$DB_ENV,
3255	$BDBDIR,	4066	$BDBDIR,
3256	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4067	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3257	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4068	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3258	0666;	4069	0666;
3259		4070
3260	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4071	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4072	};
3261		4073
3262	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	4074	cf::cleanup "db_env_open(db): $@" if $@;
3263	$DB_ENV->set_lk_detect;
3264	};	4075	};
		4076	})->join;
		4077	}
3265		4078
3266	cf::cleanup "db_env_open(db): $@" if $@;	4079	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3267	};	4080	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3268	}	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	};
3269	}	4088	}
3270		4089
3271	{	4090	{
		4091	# configure IO::AIO
		4092
3272	IO::AIO::min_parallel 8;	4093	IO::AIO::min_parallel 8;
3273
3274	undef $Coro::AIO::WATCHER;
3275	IO::AIO::max_poll_time $TICK * 0.1;	4094	IO::AIO::max_poll_time $TICK * 0.1;
3276	$AIO_POLL_WATCHER = Event->io (	4095	undef $AnyEvent::AIO::WATCHER;
3277	reentrant => 0,
3278	data => WF_AUTOCANCEL,
3279	fd => IO::AIO::poll_fileno,
3280	poll => 'r',
3281	prio => 6,
3282	cb => \&IO::AIO::poll_cb,
3283	);
3284	}	4096	}
3285		4097
3286	my $_log_backtrace;	4098	my $_log_backtrace;
3287		4099
3288	sub _log_backtrace {	4100	sub _log_backtrace {
…		…
3291	$msg =~ s/\n//;	4103	$msg =~ s/\n//;
3292		4104
3293	# limit the # of concurrent backtraces	4105	# limit the # of concurrent backtraces
3294	if ($_log_backtrace < 2) {	4106	if ($_log_backtrace < 2) {
3295	++$_log_backtrace;	4107	++$_log_backtrace;
		4108	my $perl_bt = Carp::longmess $msg;
3296	async {	4109	async {
		4110	$Coro::current->{desc} = "abt $msg";
		4111
3297	my @bt = fork_call {	4112	my @bt = fork_call {
3298	@addr = map { sprintf "%x", $_ } @addr;	4113	@addr = map { sprintf "%x", $_ } @addr;
3299	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4114	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3300	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 |"
3301	or die "addr2line: $!";	4116	or die "addr2line: $!";
…		…
3309	}	4124	}
3310		4125
3311	@funcs	4126	@funcs
3312	};	4127	};
3313		4128
3314	LOG llevInfo, "[ABT] $msg\n";	4129	LOG llevInfo, "[ABT] $perl_bt\n";
		4130	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3315	LOG llevInfo, "[ABT] $_\n" for @bt;	4131	LOG llevInfo, "[ABT] $_\n" for @bt;
3316	--$_log_backtrace;	4132	--$_log_backtrace;
3317	};	4133	};
3318	} else {	4134	} else {
3319	LOG llevInfo, "[ABT] $msg\n";	4135	LOG llevInfo, "[ABT] $msg\n";
3320	LOG llevInfo, "[ABT] [suppressed]\n";	4136	LOG llevInfo, "[ABT] [suppressed]\n";
3321	}	4137	}
3322	}	4138	}
3323		4139
3324	# load additional modules	4140	# load additional modules
3325	use cf::pod;	4141	require "cf/$_.pm" for @EXTRA_MODULES;
		4142	cf::_connect_to_perl_2;
3326		4143
3327	END { cf::emergency_save }	4144	END { cf::emergency_save }
3328		4145
3329	1	4146	1
3330		4147

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