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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.302 by root, Tue Jul 10 16:23:59 2007 UTC vs.
Revision 1.535 by root, Thu Apr 29 08:21:28 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 ($Coro::main)
334	is always able to handle events or runnable, as Crossfire TRT is only	509	is always able to handle events or runnable, as Deliantra is only
335	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	510	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
336	acceptable.	511	acceptable.
337		512
338	If it must be done, put the blocking parts into C<sync_job>. This will run	513	If it must be done, put the blocking parts into C<sync_job>. This will run
339	the given BLOCK in another coroutine while waiting for the result. The	514	the given BLOCK in another coroutine while waiting for the result. The
…		…
343	=cut	518	=cut
344		519
345	sub sync_job(&) {	520	sub sync_job(&) {
346	my ($job) = @_;	521	my ($job) = @_;
347		522
348	if ($Coro::current == $Coro::main) {	523	if (in_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	cf::error "db_get called from main context"
		663	if $Coro::current == $Coro::main;
		664
		665	my ($name) = @_;
		666	my $db = BDB::db_create $DB_ENV;
		667
		668	eval {
		669	$db->set_flags (BDB::CHKSUM);
		670
		671	utf8::encode $name;
		672	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		673	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		674	cf::cleanup "db_open(db): $!" if $!;
		675	};
		676	cf::cleanup "db_open(db): $@" if $@;
		677
		678	$db
		679	}
478		680
479	our $DB;	681	our $DB;
480		682
481	sub db_init {	683	sub db_init {
482	unless ($DB) {	684	$DB ||= db_table "db";
483	$DB = BDB::db_create $DB_ENV;
484
485	cf::sync_job {
486	eval {
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	}
496	}	685	}
497		686
498	sub db_get($$) {	687	sub db_get($$) {
499	my $key = "$_[0]/$_[1]";	688	my $key = "$_[0]/$_[1]";
500		689
501	cf::sync_job {	690	cf::error "db_get called from main context"
		691	if $Coro::current == $Coro::main;
		692
502	BDB::db_get $DB, undef, $key, my $data;	693	BDB::db_get $DB, undef, $key, my $data;
503		694
504	$! ? ()	695	$! ? ()
505	: $data	696	: $data
506	}
507	}	697	}
508		698
509	sub db_put($$$) {	699	sub db_put($$$) {
510	BDB::dbreq_pri 4;	700	BDB::dbreq_pri 4;
511	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	701	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
550	if (1) {	740	if (1) {
551	$md5 =	741	$md5 =
552	join "\x00",	742	join "\x00",
553	$processversion,	743	$processversion,
554	map {	744	map {
555	Coro::cede;	745	cf::cede_to_tick;
556	($src->[$_], Digest::MD5::md5_hex $data[$_])	746	($src->[$_], Digest::MD5::md5_hex $data[$_])
557	} 0.. $#$src;	747	} 0.. $#$src;
558		748
559		749
560	my $dbmd5 = db_get cache => "$id/md5";	750	my $dbmd5 = db_get cache => "$id/md5";
…		…
567		757
568	my $t1 = Time::HiRes::time;	758	my $t1 = Time::HiRes::time;
569	my $data = $process->(\@data);	759	my $data = $process->(\@data);
570	my $t2 = Time::HiRes::time;	760	my $t2 = Time::HiRes::time;
571		761
572	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	762	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
573		763
574	db_put cache => "$id/data", $data;	764	db_put cache => "$id/data", $data;
575	db_put cache => "$id/md5" , $md5;	765	db_put cache => "$id/md5" , $md5;
576	db_put cache => "$id/meta", $meta;	766	db_put cache => "$id/meta", $meta;
577		767
…		…
587		777
588	=cut	778	=cut
589		779
590	sub datalog($@) {	780	sub datalog($@) {
591	my ($type, %kv) = @_;	781	my ($type, %kv) = @_;
592	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	782	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
593	}	783	}
594		784
595	=back	785	=back
596		786
597	=cut	787	=cut
598		788
599	#############################################################################	789	#############################################################################
600		790
601	=head2 ATTACHABLE OBJECTS	791	=head2 ATTACHABLE OBJECTS
602		792
603	Many objects in crossfire are so-called attachable objects. That means you can	793	Many objects in deliantra are so-called attachable objects. That means you can
604	attach callbacks/event handlers (a collection of which is called an "attachment")	794	attach callbacks/event handlers (a collection of which is called an "attachment")
605	to it. All such attachable objects support the following methods.	795	to it. All such attachable objects support the following methods.
606		796
607	In the following description, CLASS can be any of C<global>, C<object>	797	In the following description, CLASS can be any of C<global>, C<object>
608	C<player>, C<client> or C<map> (i.e. the attachable objects in	798	C<player>, C<client> or C<map> (i.e. the attachable objects in
609	Crossfire TRT).	799	Deliantra).
610		800
611	=over 4	801	=over 4
612		802
613	=item $attachable->attach ($attachment, key => $value...)	803	=item $attachable->attach ($attachment, key => $value...)
614		804
…		…
658	=item cf::CLASS::attachment $name, ...	848	=item cf::CLASS::attachment $name, ...
659		849
660	Register an attachment by C<$name> through which attachable objects of the	850	Register an attachment by C<$name> through which attachable objects of the
661	given CLASS can refer to this attachment.	851	given CLASS can refer to this attachment.
662		852
663	Some classes such as crossfire maps and objects can specify attachments	853	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.	854	that are attached at load/instantiate time, thus the need for a name.
665		855
666	These calls expect any number of the following handler/hook descriptions:	856	These calls expect any number of the following handler/hook descriptions:
667		857
668	=over 4	858	=over 4
…		…
792		982
793	} elsif (exists $cb_id{$type}) {	983	} elsif (exists $cb_id{$type}) {
794	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	984	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
795		985
796	} elsif (ref $type) {	986	} elsif (ref $type) {
797	warn "attaching objects not supported, ignoring.\n";	987	error "attaching objects not supported, ignoring.\n";
798		988
799	} else {	989	} else {
800	shift @arg;	990	shift @arg;
801	warn "attach argument '$type' not supported, ignoring.\n";	991	error "attach argument '$type' not supported, ignoring.\n";
802	}	992	}
803	}	993	}
804	}	994	}
805		995
806	sub _object_attach {	996	sub _object_attach {
…		…
816	_attach $registry, $klass, @attach;	1006	_attach $registry, $klass, @attach;
817	}	1007	}
818		1008
819	$obj->{$name} = \%arg;	1009	$obj->{$name} = \%arg;
820	} else {	1010	} else {
821	warn "object uses attachment '$name' which is not available, postponing.\n";	1011	info "object uses attachment '$name' which is not available, postponing.\n";
822	}	1012	}
823		1013
824	$obj->{_attachment}{$name} = undef;	1014	$obj->{_attachment}{$name} = undef;
825	}	1015	}
826		1016
…		…
866	";	1056	";
867	die if $@;	1057	die if $@;
868	}	1058	}
869		1059
870	our $override;	1060	our $override;
871	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1061	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
872		1062
873	sub override {	1063	sub override {
874	$override = 1;	1064	$override = 1;
875	@invoke_results = ();	1065	@INVOKE_RESULTS = (@_);
876	}	1066	}
877		1067
878	sub do_invoke {	1068	sub do_invoke {
879	my $event = shift;	1069	my $event = shift;
880	my $callbacks = shift;	1070	my $callbacks = shift;
881		1071
882	@invoke_results = ();	1072	@INVOKE_RESULTS = ();
883		1073
884	local $override;	1074	local $override;
885		1075
886	for (@$callbacks) {	1076	for (@$callbacks) {
887	eval { &{$_->[1]} };	1077	eval { &{$_->[1]} };
888		1078
889	if ($@) {	1079	if ($@) {
890	warn "$@";
891	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1080	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
892	override;	1081	override;
893	}	1082	}
894		1083
895	return 1 if $override;	1084	return 1 if $override;
896	}	1085	}
897		1086
898	0	1087	0
899	}	1088	}
900		1089
901	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
902		1091
903	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1092	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
904		1093
905	Generate an object-specific event with the given arguments.	1094	Generate an object-specific event with the given arguments.
906		1095
907	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1096	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	1097	removed in future versions), and there is no public API to access override
909	results (if you must, access C<@cf::invoke_results> directly).	1098	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
910		1099
911	=back	1100	=back
912		1101
913	=cut	1102	=cut
914		1103
915	#############################################################################	1104	#############################################################################
916	# object support	1105	# object support
		1106
		1107	sub _object_equal($$);
		1108	sub _object_equal($$) {
		1109	my ($a, $b) = @_;
		1110
		1111	return 0 unless (ref $a) eq (ref $b);
		1112
		1113	if ("HASH" eq ref $a) {
		1114	my @ka = keys %$a;
		1115	my @kb = keys %$b;
		1116
		1117	return 0 if @ka != @kb;
		1118
		1119	for (0 .. $#ka) {
		1120	return 0 unless $ka[$_] eq $kb[$_];
		1121	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1122	}
		1123
		1124	} elsif ("ARRAY" eq ref $a) {
		1125
		1126	return 0 if @$a != @$b;
		1127
		1128	for (0 .. $#$a) {
		1129	return 0 unless _object_equal $a->[$_], $b->[$_];
		1130	}
		1131
		1132	} elsif ($a ne $b) {
		1133	return 0;
		1134	}
		1135
		1136	1
		1137	}
		1138
		1139	our $SLOW_MERGES;#d#
		1140	sub _can_merge {
		1141	my ($ob1, $ob2) = @_;
		1142
		1143	++$SLOW_MERGES;#d#
		1144
		1145	# we do the slow way here
		1146	return _object_equal $ob1, $ob2
		1147	}
917		1148
918	sub reattach {	1149	sub reattach {
919	# basically do the same as instantiate, without calling instantiate	1150	# basically do the same as instantiate, without calling instantiate
920	my ($obj) = @_;	1151	my ($obj) = @_;
921		1152
		1153	# no longer needed after getting rid of delete_package?
922	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1154	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
923		1155
924	my $registry = $obj->registry;	1156	my $registry = $obj->registry;
925		1157
926	@$registry = ();	1158	@$registry = ();
927		1159
…		…
932	for (@$attach) {	1164	for (@$attach) {
933	my ($klass, @attach) = @$_;	1165	my ($klass, @attach) = @$_;
934	_attach $registry, $klass, @attach;	1166	_attach $registry, $klass, @attach;
935	}	1167	}
936	} else {	1168	} else {
937	warn "object uses attachment '$name' that is not available, postponing.\n";	1169	info "object uses attachment '$name' that is not available, postponing.\n";
938	}	1170	}
939	}	1171	}
940	}	1172	}
941		1173
942	cf::attachable->attach (	1174	cf::attachable->attach (
943	prio => -1000000,	1175	prio => -1000000,
944	on_instantiate => sub {	1176	on_instantiate => sub {
945	my ($obj, $data) = @_;	1177	my ($obj, $data) = @_;
946		1178
947	$data = from_json $data;	1179	$data = decode_json $data;
948		1180
949	for (@$data) {	1181	for (@$data) {
950	my ($name, $args) = @$_;	1182	my ($name, $args) = @$_;
951		1183
952	$obj->attach ($name, %{$args || {} });	1184	$obj->attach ($name, %{$args || {} });
…		…
968	sub object_freezer_save {	1200	sub object_freezer_save {
969	my ($filename, $rdata, $objs) = @_;	1201	my ($filename, $rdata, $objs) = @_;
970		1202
971	sync_job {	1203	sync_job {
972	if (length $$rdata) {	1204	if (length $$rdata) {
		1205	utf8::decode (my $decname = $filename);
973	warn sprintf "saving %s (%d,%d)\n",	1206	trace sprintf "saving %s (%d,%d)\n",
974	$filename, length $$rdata, scalar @$objs;	1207	$decname, length $$rdata, scalar @$objs
		1208	if $VERBOSE_IO;
975		1209
976	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1210	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
977	chmod SAVE_MODE, $fh;	1211	aio_chmod $fh, SAVE_MODE;
978	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1212	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
979	aio_fsync $fh if $cf::USE_FSYNC;	1213	if ($cf::USE_FSYNC) {
		1214	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1215	aio_fsync $fh;
		1216	}
980	close $fh;	1217	aio_close $fh;
981		1218
982	if (@$objs) {	1219	if (@$objs) {
983	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1220	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
984	chmod SAVE_MODE, $fh;	1221	aio_chmod $fh, SAVE_MODE;
985	my $data = Storable::nfreeze { version => 1, objs => $objs };	1222	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
986	aio_write $fh, 0, (length $data), $data, 0;	1223	aio_write $fh, 0, (length $data), $data, 0;
987	aio_fsync $fh if $cf::USE_FSYNC;	1224	if ($cf::USE_FSYNC) {
		1225	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1226	aio_fsync $fh;
		1227	}
988	close $fh;	1228	aio_close $fh;
989	aio_rename "$filename.pst~", "$filename.pst";	1229	aio_rename "$filename.pst~", "$filename.pst";
990	}	1230	}
991	} else {	1231	} else {
992	aio_unlink "$filename.pst";	1232	aio_unlink "$filename.pst";
993	}	1233	}
994		1234
995	aio_rename "$filename~", $filename;	1235	aio_rename "$filename~", $filename;
		1236
		1237	$filename =~ s%/[^/]+$%%;
		1238	aio_pathsync $filename if $cf::USE_FSYNC;
996	} else {	1239	} else {
997	warn "FATAL: $filename~: $!\n";	1240	error "unable to save objects: $filename~: $!\n";
998	}	1241	}
999	} else {	1242	} else {
1000	aio_unlink $filename;	1243	aio_unlink $filename;
1001	aio_unlink "$filename.pst";	1244	aio_unlink "$filename.pst";
1002	}	1245	}
1003	}	1246	};
1004	}	1247	}
1005		1248
1006	sub object_freezer_as_string {	1249	sub object_freezer_as_string {
1007	my ($rdata, $objs) = @_;	1250	my ($rdata, $objs) = @_;
1008		1251
…		…
1020	or return;	1263	or return;
1021		1264
1022	unless (aio_stat "$filename.pst") {	1265	unless (aio_stat "$filename.pst") {
1023	(aio_load "$filename.pst", $av) >= 0	1266	(aio_load "$filename.pst", $av) >= 0
1024	or return;	1267	or return;
		1268
1025	$av = eval { (Storable::thaw $av)->{objs} };	1269	my $st = eval { Coro::Storable::thaw $av };
		1270	$av = $st->{objs};
1026	}	1271	}
1027		1272
		1273	utf8::decode (my $decname = $filename);
1028	warn sprintf "loading %s (%d)\n",	1274	trace sprintf "loading %s (%d,%d)\n",
1029	$filename, length $data, scalar @{$av || []};	1275	$decname, length $data, scalar @{$av || []}
		1276	if $VERBOSE_IO;
		1277
1030	return ($data, $av);	1278	($data, $av)
1031	}	1279	}
1032		1280
1033	=head2 COMMAND CALLBACKS	1281	=head2 COMMAND CALLBACKS
1034		1282
1035	=over 4	1283	=over 4
…		…
1089	my ($name, $cb) = @_;	1337	my ($name, $cb) = @_;
1090		1338
1091	$EXTICMD{$name} = $cb;	1339	$EXTICMD{$name} = $cb;
1092	}	1340	}
1093		1341
		1342	use File::Glob ();
		1343
1094	cf::player->attach (	1344	cf::player->attach (
1095	on_command => sub {	1345	on_unknown_command => sub {
1096	my ($pl, $name, $params) = @_;	1346	my ($pl, $name, $params) = @_;
1097		1347
1098	my $cb = $COMMAND{$name}	1348	my $cb = $COMMAND{$name}
1099	or return;	1349	or return;
1100		1350
…		…
1108	my ($pl, $buf) = @_;	1358	my ($pl, $buf) = @_;
1109		1359
1110	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1360	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1111		1361
1112	if (ref $msg) {	1362	if (ref $msg) {
		1363	my ($type, $reply, @payload) =
		1364	"ARRAY" eq ref $msg
		1365	? @$msg
		1366	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1367
		1368	my @reply;
		1369
1113	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1370	if (my $cb = $EXTCMD{$type}) {
1114	if (my %reply = $cb->($pl, $msg)) {	1371	@reply = $cb->($pl, @payload);
1115	$pl->ext_reply ($msg->{msgid}, %reply);
1116	}
1117	}	1372	}
		1373
		1374	$pl->ext_reply ($reply, @reply)
		1375	if $reply;
		1376
1118	} else {	1377	} else {
1119	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1378	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1120	}	1379	}
1121		1380
1122	cf::override;	1381	cf::override;
1123	},	1382	},
1124	);	1383	);
1125		1384
		1385	# "readahead" all extensions
		1386	sub cache_extensions {
		1387	my $grp = IO::AIO::aio_group;
		1388
		1389	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1390	for (grep /\.ext$/, @{$_[0]}) {
		1391	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1392	}
		1393	};
		1394
		1395	$grp
		1396	}
		1397
1126	sub load_extensions {	1398	sub load_extensions {
		1399	info "loading extensions...";
		1400
1127	cf::sync_job {	1401	cf::sync_job {
1128	my %todo;	1402	my %todo;
1129		1403
1130	for my $path (<$LIBDIR/*.ext>) {	1404	for my $path (<$LIBDIR/*.ext>) {
1131	next unless -r $path;	1405	next unless -r $path;
…		…
1149		1423
1150	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1424	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1151	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1425	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1152		1426
1153	$ext{source} =	1427	$ext{source} =
1154	"package $pkg; use strict; use utf8;\n"	1428	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1155	. "#line 1 \"$path\"\n{\n"	1429	. "#line 1 \"$path\"\n{\n"
1156	. $source	1430	. $source
1157	. "\n};\n1";	1431	. "\n};\n1";
1158		1432
1159	$todo{$base} = \%ext;	1433	$todo{$base} = \%ext;
1160	}	1434	}
1161		1435
		1436	my $pass = 0;
1162	my %done;	1437	my %done;
1163	while (%todo) {	1438	while (%todo) {
1164	my $progress;	1439	my $progress;
1165		1440
		1441	++$pass;
		1442
		1443	ext:
1166	while (my ($k, $v) = each %todo) {	1444	while (my ($k, $v) = each %todo) {
1167	for (split /,\s*/, $v->{meta}{depends}) {	1445	for (split /,\s*/, $v->{meta}{depends}) {
1168	goto skip	1446	next ext
1169	unless exists $done{$_};	1447	unless exists $done{$_};
1170	}	1448	}
1171		1449
1172	warn "... loading '$k' into '$v->{pkg}'\n";	1450	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1173		1451
1174	unless (eval $v->{source}) {	1452	my $active = eval $v->{source};
		1453
		1454	if (length $@) {
1175	my $msg = $@ ? "$v->{path}: $@\n"	1455	error "$v->{path}: $@\n";
1176	: "$v->{base}: extension inactive.\n";
1177		1456
		1457	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1178	if (exists $v->{meta}{mandatory}) {	1458	if exists $v->{meta}{mandatory};
1179	warn $msg;	1459
1180	warn "mandatory extension failed to load, exiting.\n";	1460	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1181	exit 1;	1461	delete $todo{$k};
1182	}	1462	} else {
1183		1463	$done{$k} = delete $todo{$k};
1184	warn $msg;	1464	push @EXTS, $v->{pkg};
		1465	$progress = 1;
		1466
		1467	info "$v->{base}: extension inactive.\n"
		1468	unless $active;
1185	}	1469	}
1186
1187	$done{$k} = delete $todo{$k};
1188	push @EXTS, $v->{pkg};
1189	$progress = 1;
1190	}	1470	}
1191		1471
1192	skip:	1472	unless ($progress) {
1193	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1473	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1194	unless $progress;	1474
		1475	while (my ($k, $v) = each %todo) {
		1476	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1477	if exists $v->{meta}{mandatory};
		1478	}
		1479	}
1195	}	1480	}
1196	};	1481	};
1197	}	1482	}
1198		1483
1199	#############################################################################	1484	#############################################################################
1200		1485
1201	=back	1486	=back
1202		1487
1203	=head2 CORE EXTENSIONS	1488	=head2 CORE EXTENSIONS
1204		1489
1205	Functions and methods that extend core crossfire objects.	1490	Functions and methods that extend core deliantra objects.
1206		1491
1207	=cut	1492	=cut
1208		1493
1209	package cf::player;	1494	package cf::player;
1210		1495
1211	use Coro::AIO;	1496	use Coro::AIO;
1212		1497
1213	=head3 cf::player	1498	=head3 cf::player
1214		1499
1215	=over 4	1500	=over 4
		1501
		1502	=item cf::player::num_playing
		1503
		1504	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1505
		1506	=cut
		1507
		1508	sub num_playing {
		1509	scalar grep
		1510	$_->ob->map
		1511	&& !$_->hidden
		1512	&& !$_->ob->flag (cf::FLAG_WIZ),
		1513	cf::player::list
		1514	}
1216		1515
1217	=item cf::player::find $login	1516	=item cf::player::find $login
1218		1517
1219	Returns the given player object, loading it if necessary (might block).	1518	Returns the given player object, loading it if necessary (might block).
1220		1519
…		…
1239		1538
1240	sub exists($) {	1539	sub exists($) {
1241	my ($login) = @_;	1540	my ($login) = @_;
1242		1541
1243	$cf::PLAYER{$login}	1542	$cf::PLAYER{$login}
1244	or cf::sync_job { !aio_stat path $login }	1543	or !aio_stat path $login
1245	}	1544	}
1246		1545
1247	sub find($) {	1546	sub find($) {
1248	return $cf::PLAYER{$_[0]} || do {	1547	return $cf::PLAYER{$_[0]} || do {
1249	my $login = $_[0];	1548	my $login = $_[0];
…		…
1256	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1555	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1257	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1556	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1258	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1557	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1259	aio_unlink +(playerdir $login) . "/$login.pl";	1558	aio_unlink +(playerdir $login) . "/$login.pl";
1260		1559
1261	my $pl = load_pl path $login	1560	my $f = new_from_file cf::object::thawer path $login
1262	or return;	1561	or return;
		1562
		1563	my $pl = cf::player::load_pl $f
		1564	or return;
		1565
		1566	local $cf::PLAYER_LOADING{$login} = $pl;
		1567	$f->resolve_delayed_derefs;
1263	$cf::PLAYER{$login} = $pl	1568	$cf::PLAYER{$login} = $pl
1264	}	1569	}
1265	}	1570	}
1266	}	1571	}
		1572
		1573	cf::player->attach (
		1574	on_load => sub {
		1575	my ($pl, $path) = @_;
		1576
		1577	# restore slots saved in save, below
		1578	my $slots = delete $pl->{_slots};
		1579
		1580	$pl->ob->current_weapon ($slots->[0]);
		1581	$pl->combat_ob ($slots->[1]);
		1582	$pl->ranged_ob ($slots->[2]);
		1583	},
		1584	);
1267		1585
1268	sub save($) {	1586	sub save($) {
1269	my ($pl) = @_;	1587	my ($pl) = @_;
1270		1588
1271	return if $pl->{deny_save};	1589	return if $pl->{deny_save};
…		…
1276	return if $pl->{deny_save};	1594	return if $pl->{deny_save};
1277		1595
1278	aio_mkdir playerdir $pl, 0770;	1596	aio_mkdir playerdir $pl, 0770;
1279	$pl->{last_save} = $cf::RUNTIME;	1597	$pl->{last_save} = $cf::RUNTIME;
1280		1598
		1599	cf::get_slot 0.01;
		1600
		1601	# save slots, to be restored later
		1602	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1603
1281	$pl->save_pl ($path);	1604	$pl->save_pl ($path);
1282	Coro::cede;	1605	cf::cede_to_tick;
1283	}	1606	}
1284		1607
1285	sub new($) {	1608	sub new($) {
1286	my ($login) = @_;	1609	my ($login) = @_;
1287		1610
…		…
1293	$cf::PLAYER{$login} = $self;	1616	$cf::PLAYER{$login} = $self;
1294		1617
1295	$self	1618	$self
1296	}	1619	}
1297		1620
		1621	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1622
		1623	=cut
		1624
		1625	sub send_msg {
		1626	my $ns = shift->ns
		1627	or return;
		1628	$ns->send_msg (@_);
		1629	}
		1630
1298	=item $pl->quit_character	1631	=item $pl->quit_character
1299		1632
1300	Nukes the player without looking back. If logged in, the connection will	1633	Nukes the player without looking back. If logged in, the connection will
1301	be destroyed. May block for a long time.	1634	be destroyed. May block for a long time.
1302		1635
…		…
1306	my ($pl) = @_;	1639	my ($pl) = @_;
1307		1640
1308	my $name = $pl->ob->name;	1641	my $name = $pl->ob->name;
1309		1642
1310	$pl->{deny_save} = 1;	1643	$pl->{deny_save} = 1;
1311	$pl->password ("*"); # this should lock out the player until we nuked the dir	1644	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1312		1645
1313	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1646	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1314	$pl->deactivate;	1647	$pl->deactivate;
		1648	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1315	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1649	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1316	$pl->ns->destroy if $pl->ns;	1650	$pl->ns->destroy if $pl->ns;
1317		1651
1318	my $path = playerdir $pl;	1652	my $path = playerdir $pl;
1319	my $temp = "$path~$cf::RUNTIME~deleting~";	1653	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1355	or return [];	1689	or return [];
1356		1690
1357	my @logins;	1691	my @logins;
1358		1692
1359	for my $login (@$dirs) {	1693	for my $login (@$dirs) {
		1694	my $path = path $login;
		1695
		1696	# a .pst is a dead give-away for a valid player
		1697	# if no pst file found, open and chekc for blocked users
		1698	if (aio_stat "$path.pst") {
1360	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1699	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1361	aio_read $fh, 0, 512, my $buf, 0 or next;	1700	aio_read $fh, 0, 512, my $buf, 0 or next;
1362	$buf !~ /^password -------------$/m or next; # official not-valid tag	1701	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1702	}
1363		1703
1364	utf8::decode $login;	1704	utf8::decode $login;
1365	push @logins, $login;	1705	push @logins, $login;
1366	}	1706	}
1367		1707
1368	\@logins	1708	\@logins
1369	}	1709	}
1370		1710
1371	=item $player->maps	1711	=item $player->maps
		1712
		1713	=item cf::player::maps $login
1372		1714
1373	Returns an arrayref of map paths that are private for this	1715	Returns an arrayref of map paths that are private for this
1374	player. May block.	1716	player. May block.
1375		1717
1376	=cut	1718	=cut
…		…
1394	}	1736	}
1395		1737
1396	\@paths	1738	\@paths
1397	}	1739	}
1398		1740
1399	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1741	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1400		1742
1401	Expand crossfire pod fragments into protocol xml.	1743	Expand deliantra pod fragments into protocol xml.
1402		1744
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)	1745	=item $player->ext_reply ($msgid, @msg)
1450		1746
1451	Sends an ext reply to the player.	1747	Sends an ext reply to the player.
1452		1748
1453	=cut	1749	=cut
1454		1750
1455	sub ext_reply($$%) {	1751	sub ext_reply($$@) {
1456	my ($self, $id, %msg) = @_;	1752	my ($self, $id, @msg) = @_;
1457		1753
1458	$msg{msgid} = $id;	1754	$self->ns->ext_reply ($id, @msg)
1459	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1460	}	1755	}
1461		1756
1462	=item $player->ext_event ($type, %msg)	1757	=item $player->ext_msg ($type, @msg)
1463		1758
1464	Sends an ext event to the client.	1759	Sends an ext event to the client.
1465		1760
1466	=cut	1761	=cut
1467		1762
1468	sub ext_event($$%) {	1763	sub ext_msg($$@) {
1469	my ($self, $type, %msg) = @_;	1764	my ($self, $type, @msg) = @_;
1470		1765
1471	$self->ns->ext_event ($type, %msg);	1766	$self->ns->ext_msg ($type, @msg);
1472	}	1767	}
1473		1768
1474	=head3 cf::region	1769	=head3 cf::region
1475		1770
1476	=over 4	1771	=over 4
…		…
1486	=cut	1781	=cut
1487		1782
1488	sub find_by_path($) {	1783	sub find_by_path($) {
1489	my ($path) = @_;	1784	my ($path) = @_;
1490		1785
		1786	$path =~ s/^~[^\/]*//; # skip ~login
		1787
1491	my ($match, $specificity);	1788	my ($match, $specificity);
1492		1789
1493	for my $region (list) {	1790	for my $region (list) {
1494	if ($region->match && $path =~ $region->match) {	1791	if ($region->{match} && $path =~ $region->{match}) {
1495	($match, $specificity) = ($region, $region->specificity)	1792	($match, $specificity) = ($region, $region->specificity)
1496	if $region->specificity > $specificity;	1793	if $region->specificity > $specificity;
1497	}	1794	}
1498	}	1795	}
1499		1796
…		…
1520	our $MAX_RESET = 3600;	1817	our $MAX_RESET = 3600;
1521	our $DEFAULT_RESET = 3000;	1818	our $DEFAULT_RESET = 3000;
1522		1819
1523	sub generate_random_map {	1820	sub generate_random_map {
1524	my ($self, $rmp) = @_;	1821	my ($self, $rmp) = @_;
		1822
		1823	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1824
1525	# mit "rum" bekleckern, nicht	1825	# mit "rum" bekleckern, nicht
1526	$self->_create_random_map (	1826	$self->_create_random_map (
1527	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1827	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1528	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1828	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1529	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1829	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1530	$rmp->{exit_on_final_map},	1830	$rmp->{exit_on_final_map},
1531	$rmp->{xsize}, $rmp->{ysize},	1831	$rmp->{xsize}, $rmp->{ysize},
1532	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1832	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1533	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1833	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1555		1855
1556	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1856	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1557	}	1857	}
1558		1858
1559	# also paths starting with '/'	1859	# also paths starting with '/'
1560	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1860	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1561		1861
1562	sub thawer_merge {	1862	sub thawer_merge {
1563	my ($self, $merge) = @_;	1863	my ($self, $merge) = @_;
1564		1864
1565	# we have to keep some variables in memory intact	1865	# we have to keep some variables in memory intact
…		…
1619	$self->init; # pass $1 etc.	1919	$self->init; # pass $1 etc.
1620	return $self;	1920	return $self;
1621	}	1921	}
1622	}	1922	}
1623		1923
1624	Carp::carp "unable to resolve path '$path' (base '$base').";	1924	Carp::cluck "unable to resolve path '$path' (base '$base').";
1625	()	1925	()
1626	}	1926	}
1627		1927
1628	sub init {	1928	sub init {
1629	my ($self) = @_;	1929	my ($self) = @_;
…		…
1651		1951
1652	# the temporary/swap location	1952	# the temporary/swap location
1653	sub save_path {	1953	sub save_path {
1654	my ($self) = @_;	1954	my ($self) = @_;
1655		1955
1656	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1956	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1657	"$TMPDIR/$path.map"	1957	"$TMPDIR/$path.map"
1658	}	1958	}
1659		1959
1660	# the unique path, undef == no special unique path	1960	# the unique path, undef == no special unique path
1661	sub uniq_path {	1961	sub uniq_path {
1662	my ($self) = @_;	1962	my ($self) = @_;
1663		1963
1664	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1964	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1665	"$UNIQUEDIR/$path"	1965	"$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	}	1966	}
1676		1967
1677	sub decay_objects {	1968	sub decay_objects {
1678	my ($self) = @_;	1969	my ($self) = @_;
1679		1970
…		…
1692		1983
1693	sub load_header_from($) {	1984	sub load_header_from($) {
1694	my ($self, $path) = @_;	1985	my ($self, $path) = @_;
1695		1986
1696	utf8::encode $path;	1987	utf8::encode $path;
1697	#aio_open $path, O_RDONLY, 0	1988	my $f = new_from_file cf::object::thawer $path
1698	# or return;
1699
1700	$self->_load_header ($path)
1701	or return;	1989	or return;
		1990
		1991	$self->_load_header ($f)
		1992	or return;
		1993
		1994	local $MAP_LOADING{$self->{path}} = $self;
		1995	$f->resolve_delayed_derefs;
1702		1996
1703	$self->{load_path} = $path;	1997	$self->{load_path} = $path;
1704		1998
1705	1	1999	1
1706	}	2000	}
…		…
1760	sub find {	2054	sub find {
1761	my ($path, $origin) = @_;	2055	my ($path, $origin) = @_;
1762		2056
1763	$path = normalise $path, $origin && $origin->path;	2057	$path = normalise $path, $origin && $origin->path;
1764		2058
		2059	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1765	cf::lock_wait "map_find:$path";	2060	my $guard2 = cf::lock_acquire "map_find:$path";
1766		2061
1767	$cf::MAP{$path} || do {	2062	$cf::MAP{$path} || do {
1768	my $guard = cf::lock_acquire "map_find:$path";
1769	my $map = new_from_path cf::map $path	2063	my $map = new_from_path cf::map $path
1770	or return;	2064	or return;
1771		2065
1772	$map->{last_save} = $cf::RUNTIME;	2066	$map->{last_save} = $cf::RUNTIME;
1773		2067
…		…
1775	or return;	2069	or return;
1776		2070
1777	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2071	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1778	# doing this can freeze the server in a sync job, obviously	2072	# doing this can freeze the server in a sync job, obviously
1779	#$cf::WAIT_FOR_TICK->wait;	2073	#$cf::WAIT_FOR_TICK->wait;
		2074	undef $guard2;
		2075	undef $guard1;
1780	$map->reset;	2076	$map->reset;
1781	undef $guard;
1782	return find $path;	2077	return find $path;
1783	}	2078	}
1784		2079
1785	$cf::MAP{$path} = $map	2080	$cf::MAP{$path} = $map
1786	}	2081	}
1787	}	2082	}
1788		2083
1789	sub pre_load { }	2084	sub pre_load { }
1790	sub post_load { }	2085	#sub post_load { } # XS
1791		2086
1792	sub load {	2087	sub load {
1793	my ($self) = @_;	2088	my ($self) = @_;
1794		2089
1795	local $self->{deny_reset} = 1; # loading can take a long time	2090	local $self->{deny_reset} = 1; # loading can take a long time
1796		2091
1797	my $path = $self->{path};	2092	my $path = $self->{path};
1798		2093
1799	{	2094	{
1800	my $guard = cf::lock_acquire "map_load:$path";	2095	my $guard = cf::lock_acquire "map_data:$path";
1801		2096
		2097	return unless $self->valid;
1802	return if $self->in_memory != cf::MAP_SWAPPED;	2098	return unless $self->in_memory == cf::MAP_SWAPPED;
1803		2099
1804	$self->in_memory (cf::MAP_LOADING);	2100	$self->in_memory (cf::MAP_LOADING);
1805		2101
1806	$self->alloc;	2102	$self->alloc;
1807		2103
1808	$self->pre_load;	2104	$self->pre_load;
1809	Coro::cede;	2105	cf::cede_to_tick;
1810		2106
		2107	my $f = new_from_file cf::object::thawer $self->{load_path};
		2108	$f->skip_block;
1811	$self->_load_objects ($self->{load_path}, 1)	2109	$self->_load_objects ($f)
1812	or return;	2110	or return;
1813		2111
1814	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2112	$self->post_load_original
1815	if delete $self->{load_original};	2113	if delete $self->{load_original};
1816		2114
1817	if (my $uniq = $self->uniq_path) {	2115	if (my $uniq = $self->uniq_path) {
1818	utf8::encode $uniq;	2116	utf8::encode $uniq;
1819	if (aio_open $uniq, O_RDONLY, 0) {	2117	unless (aio_stat $uniq) {
		2118	if (my $f = new_from_file cf::object::thawer $uniq) {
1820	$self->clear_unique_items;	2119	$self->clear_unique_items;
1821	$self->_load_objects ($uniq, 0);	2120	$self->_load_objects ($f);
		2121	$f->resolve_delayed_derefs;
		2122	}
1822	}	2123	}
1823	}	2124	}
1824		2125
1825	Coro::cede;	2126	$f->resolve_delayed_derefs;
		2127
		2128	cf::cede_to_tick;
1826	# now do the right thing for maps	2129	# now do the right thing for maps
1827	$self->link_multipart_objects;	2130	$self->link_multipart_objects;
1828	$self->difficulty ($self->estimate_difficulty)	2131	$self->difficulty ($self->estimate_difficulty)
1829	unless $self->difficulty;	2132	unless $self->difficulty;
1830	Coro::cede;	2133	cf::cede_to_tick;
1831		2134
1832	unless ($self->{deny_activate}) {	2135	unless ($self->{deny_activate}) {
1833	$self->decay_objects;	2136	$self->decay_objects;
1834	$self->fix_auto_apply;	2137	$self->fix_auto_apply;
1835	$self->update_buttons;	2138	$self->update_buttons;
1836	Coro::cede;	2139	cf::cede_to_tick;
1837	$self->set_darkness_map;
1838	Coro::cede;
1839	$self->activate;	2140	$self->activate;
1840	}	2141	}
1841		2142
		2143	$self->{last_save} = $cf::RUNTIME;
		2144	$self->last_access ($cf::RUNTIME);
		2145
1842	$self->in_memory (cf::MAP_IN_MEMORY);	2146	$self->in_memory (cf::MAP_ACTIVE);
1843	}	2147	}
1844		2148
1845	$self->post_load;	2149	$self->post_load;
1846	}	2150	}
1847		2151
		2152	# customize the map for a given player, i.e.
		2153	# return the _real_ map. used by e.g. per-player
		2154	# maps to change the path to ~playername/mappath
1848	sub customise_for {	2155	sub customise_for {
1849	my ($self, $ob) = @_;	2156	my ($self, $ob) = @_;
1850		2157
1851	return find "~" . $ob->name . "/" . $self->{path}	2158	return find "~" . $ob->name . "/" . $self->{path}
1852	if $self->per_player;	2159	if $self->per_player;
…		…
1856		2163
1857	$self	2164	$self
1858	}	2165	}
1859		2166
1860	# find and load all maps in the 3x3 area around a map	2167	# find and load all maps in the 3x3 area around a map
1861	sub load_diag {	2168	sub load_neighbours {
1862	my ($map) = @_;	2169	my ($map) = @_;
1863		2170
1864	my @diag; # diagonal neighbours	2171	my @neigh; # diagonal neighbours
1865		2172
1866	for (0 .. 3) {	2173	for (0 .. 3) {
1867	my $neigh = $map->tile_path ($_)	2174	my $neigh = $map->tile_path ($_)
1868	or next;	2175	or next;
1869	$neigh = find $neigh, $map	2176	$neigh = find $neigh, $map
1870	or next;	2177	or next;
1871	$neigh->load;	2178	$neigh->load;
1872		2179
		2180	# now find the diagonal neighbours
		2181	push @neigh,
1873	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2182	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1874	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2183	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1875	}	2184	}
1876		2185
1877	for (@diag) {	2186	for (grep defined $_->[0], @neigh) {
		2187	my ($path, $origin) = @$_;
1878	my $neigh = find @$_	2188	my $neigh = find $path, $origin
1879	or next;	2189	or next;
1880	$neigh->load;	2190	$neigh->load;
1881	}	2191	}
1882	}	2192	}
1883		2193
1884	sub find_sync {	2194	sub find_sync {
1885	my ($path, $origin) = @_;	2195	my ($path, $origin) = @_;
1886		2196
1887	cf::sync_job { find $path, $origin }	2197	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2198	if $Coro::current == $Coro::main;
		2199
		2200	find $path, $origin
1888	}	2201	}
1889		2202
1890	sub do_load_sync {	2203	sub do_load_sync {
1891	my ($map) = @_;	2204	my ($map) = @_;
1892		2205
1893	cf::sync_job { $map->load };	2206	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2207	if $Coro::current == $Coro::main;
		2208
		2209	$map->load;
1894	}	2210	}
1895		2211
1896	our %MAP_PREFETCH;	2212	our %MAP_PREFETCH;
1897	our $MAP_PREFETCHER = undef;	2213	our $MAP_PREFETCHER = undef;
1898		2214
1899	sub find_async {	2215	sub find_async {
1900	my ($path, $origin) = @_;	2216	my ($path, $origin, $load) = @_;
1901		2217
1902	$path = normalise $path, $origin && $origin->{path};	2218	$path = normalise $path, $origin && $origin->{path};
1903		2219
1904	if (my $map = $cf::MAP{$path}) {	2220	if (my $map = $cf::MAP{$path}) {
1905	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2221	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1906	}	2222	}
1907		2223
1908	undef $MAP_PREFETCH{$path};	2224	$MAP_PREFETCH{$path} |= $load;
		2225
1909	$MAP_PREFETCHER ||= cf::async {	2226	$MAP_PREFETCHER ||= cf::async {
		2227	$Coro::current->{desc} = "map prefetcher";
		2228
1910	while (%MAP_PREFETCH) {	2229	while (%MAP_PREFETCH) {
1911	for my $path (keys %MAP_PREFETCH) {	2230	while (my ($k, $v) = each %MAP_PREFETCH) {
1912	my $map = find $path	2231	if (my $map = find $k) {
1913	or next;
1914	$map->load;	2232	$map->load if $v;
		2233	}
1915		2234
1916	delete $MAP_PREFETCH{$path};	2235	delete $MAP_PREFETCH{$k};
1917	}	2236	}
1918	}	2237	}
1919	undef $MAP_PREFETCHER;	2238	undef $MAP_PREFETCHER;
1920	};	2239	};
1921	$MAP_PREFETCHER->prio (6);	2240	$MAP_PREFETCHER->prio (6);
1922		2241
1923	()	2242	()
1924	}	2243	}
1925		2244
		2245	# common code, used by both ->save and ->swapout
1926	sub save {	2246	sub _save {
1927	my ($self) = @_;	2247	my ($self) = @_;
1928
1929	my $lock = cf::lock_acquire "map_data:" . $self->path;
1930		2248
1931	$self->{last_save} = $cf::RUNTIME;	2249	$self->{last_save} = $cf::RUNTIME;
1932		2250
1933	return unless $self->dirty;	2251	return unless $self->dirty;
1934		2252
…		…
1940	return if $self->{deny_save};	2258	return if $self->{deny_save};
1941		2259
1942	local $self->{last_access} = $self->last_access;#d#	2260	local $self->{last_access} = $self->last_access;#d#
1943		2261
1944	cf::async {	2262	cf::async {
		2263	$Coro::current->{desc} = "map player save";
1945	$_->contr->save for $self->players;	2264	$_->contr->save for $self->players;
1946	};	2265	};
		2266
		2267	cf::get_slot 0.02;
1947		2268
1948	if ($uniq) {	2269	if ($uniq) {
1949	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2270	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1950	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2271	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1951	} else {	2272	} else {
1952	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2273	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1953	}	2274	}
1954	}	2275	}
1955		2276
		2277	sub save {
		2278	my ($self) = @_;
		2279
		2280	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2281
		2282	$self->_save;
		2283	}
		2284
1956	sub swap_out {	2285	sub swap_out {
1957	my ($self) = @_;	2286	my ($self) = @_;
1958		2287
1959	# save first because save cedes
1960	$self->save;
1961
1962	my $lock = cf::lock_acquire "map_data:" . $self->path;	2288	my $lock = cf::lock_acquire "map_data:$self->{path}";
1963		2289
		2290	return if $self->in_memory != cf::MAP_ACTIVE;
		2291	return if $self->{deny_save};
1964	return if $self->players;	2292	return if $self->players;
1965	return if $self->in_memory != cf::MAP_IN_MEMORY;
1966	return if $self->{deny_save};
1967		2293
		2294	# first deactivate the map and "unlink" it from the core
		2295	$self->deactivate;
		2296	$_->clear_links_to ($self) for values %cf::MAP;
		2297	$self->in_memory (cf::MAP_SWAPPED);
		2298
		2299	# then atomically save
		2300	$self->_save;
		2301
		2302	# then free the map
1968	$self->clear;	2303	$self->clear;
1969	$self->in_memory (cf::MAP_SWAPPED);
1970	}	2304	}
1971		2305
1972	sub reset_at {	2306	sub reset_at {
1973	my ($self) = @_;	2307	my ($self) = @_;
1974		2308
…		…
1992		2326
1993	my $lock = cf::lock_acquire "map_data:$self->{path}";	2327	my $lock = cf::lock_acquire "map_data:$self->{path}";
1994		2328
1995	return if $self->players;	2329	return if $self->players;
1996		2330
1997	warn "resetting map ", $self->path;	2331	cf::trace "resetting map ", $self->path, "\n";
1998		2332
1999	$self->in_memory (cf::MAP_SWAPPED);	2333	$self->in_memory (cf::MAP_SWAPPED);
2000		2334
2001	# need to save uniques path	2335	# need to save uniques path
2002	unless ($self->{deny_save}) {	2336	unless ($self->{deny_save}) {
…		…
2006	if $uniq;	2340	if $uniq;
2007	}	2341	}
2008		2342
2009	delete $cf::MAP{$self->path};	2343	delete $cf::MAP{$self->path};
2010		2344
		2345	$self->deactivate;
		2346	$_->clear_links_to ($self) for values %cf::MAP;
2011	$self->clear;	2347	$self->clear;
2012
2013	$_->clear_links_to ($self) for values %cf::MAP;
2014		2348
2015	$self->unlink_save;	2349	$self->unlink_save;
2016	$self->destroy;	2350	$self->destroy;
2017	}	2351	}
2018		2352
2019	my $nuke_counter = "aaaa";	2353	my $nuke_counter = "aaaa";
2020		2354
2021	sub nuke {	2355	sub nuke {
2022	my ($self) = @_;	2356	my ($self) = @_;
2023		2357
		2358	{
		2359	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2360
2024	delete $cf::MAP{$self->path};	2361	delete $cf::MAP{$self->path};
2025		2362
2026	$self->unlink_save;	2363	$self->unlink_save;
2027		2364
2028	bless $self, "cf::map";	2365	bless $self, "cf::map::wrap";
2029	delete $self->{deny_reset};	2366	delete $self->{deny_reset};
2030	$self->{deny_save} = 1;	2367	$self->{deny_save} = 1;
2031	$self->reset_timeout (1);	2368	$self->reset_timeout (1);
2032	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2369	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2033		2370
2034	$cf::MAP{$self->path} = $self;	2371	$cf::MAP{$self->path} = $self;
		2372	}
2035		2373
2036	$self->reset; # polite request, might not happen	2374	$self->reset; # polite request, might not happen
2037	}	2375	}
2038		2376
2039	=item $maps = cf::map::tmp_maps	2377	=item $maps = cf::map::tmp_maps
…		…
2081		2419
2082	sub unique_maps() {	2420	sub unique_maps() {
2083	[	2421	[
2084	map {	2422	map {
2085	utf8::decode $_;	2423	utf8::decode $_;
2086	/\.map$/	2424	s/\.map$//; # TODO future compatibility hack
		2425	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2426	? ()
2087	? normalise $_	2427	: normalise $_
2088	: ()
2089	} @{ aio_readdir $UNIQUEDIR or [] }	2428	} @{ aio_readdir $UNIQUEDIR or [] }
2090	]	2429	]
2091	}	2430	}
2092		2431
2093	package cf;	2432	=item cf::map::static_maps
		2433
		2434	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2435	file in the shared directory excluding F</styles> and F</editor>). May
		2436	block.
		2437
		2438	=cut
		2439
		2440	sub static_maps() {
		2441	my @dirs = "";
		2442	my @maps;
		2443
		2444	while (@dirs) {
		2445	my $dir = shift @dirs;
		2446
		2447	next if $dir eq "/styles" || $dir eq "/editor";
		2448
		2449	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2450	or return;
		2451
		2452	for (@$files) {
		2453	s/\.map$// or next;
		2454	utf8::decode $_;
		2455	push @maps, "$dir/$_";
		2456	}
		2457
		2458	push @dirs, map "$dir/$_", @$dirs;
		2459	}
		2460
		2461	\@maps
		2462	}
2094		2463
2095	=back	2464	=back
2096		2465
2097	=head3 cf::object	2466	=head3 cf::object
2098		2467
…		…
2102		2471
2103	=over 4	2472	=over 4
2104		2473
2105	=item $ob->inv_recursive	2474	=item $ob->inv_recursive
2106		2475
2107	Returns the inventory of the object _and_ their inventories, recursively.	2476	Returns the inventory of the object I<and> their inventories, recursively,
		2477	but I<not> the object itself.
2108		2478
2109	=cut	2479	=cut
2110		2480
2111	sub inv_recursive_;	2481	sub inv_recursive_;
2112	sub inv_recursive_ {	2482	sub inv_recursive_ {
…		…
2115		2485
2116	sub inv_recursive {	2486	sub inv_recursive {
2117	inv_recursive_ inv $_[0]	2487	inv_recursive_ inv $_[0]
2118	}	2488	}
2119		2489
		2490	=item $ref = $ob->ref
		2491
		2492	Creates and returns a persistent reference to an object that can be stored as a string.
		2493
		2494	=item $ob = cf::object::deref ($refstring)
		2495
		2496	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2497	even if the object actually exists. May block.
		2498
		2499	=cut
		2500
		2501	sub deref {
		2502	my ($ref) = @_;
		2503
		2504	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2505	my ($uuid, $name) = ($1, $2);
		2506	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2507	or return;
		2508	$pl->ob->uuid eq $uuid
		2509	or return;
		2510
		2511	$pl->ob
		2512	} else {
		2513	warn "$ref: cannot resolve object reference\n";
		2514	undef
		2515	}
		2516	}
		2517
2120	package cf;	2518	package cf;
2121		2519
2122	=back	2520	=back
2123		2521
2124	=head3 cf::object::player	2522	=head3 cf::object::player
…		…
2130	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2528	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	2529	can be C<undef>. Does the right thing when the player is currently in a
2132	dialogue with the given NPC character.	2530	dialogue with the given NPC character.
2133		2531
2134	=cut	2532	=cut
		2533
		2534	our $SAY_CHANNEL = {
		2535	id => "say",
		2536	title => "Map",
		2537	reply => "say ",
		2538	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2539	};
		2540
		2541	our $CHAT_CHANNEL = {
		2542	id => "chat",
		2543	title => "Chat",
		2544	reply => "chat ",
		2545	tooltip => "Player chat and shouts, global to the server.",
		2546	};
2135		2547
2136	# rough implementation of a future "reply" method that works	2548	# rough implementation of a future "reply" method that works
2137	# with dialog boxes.	2549	# with dialog boxes.
2138	#TODO: the first argument must go, split into a $npc->reply_to ( method	2550	#TODO: the first argument must go, split into a $npc->reply_to ( method
2139	sub cf::object::player::reply($$$;$) {	2551	sub cf::object::player::reply($$$;$) {
…		…
2146		2558
2147	} else {	2559	} else {
2148	my $pl = $self->contr;	2560	my $pl = $self->contr;
2149		2561
2150	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2562	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2151	my $diag = $pl->{npc_dialog};	2563	my $dialog = $pl->{npc_dialog};
2152	$diag->{pl}->ext_reply (	2564	$dialog->{pl}->ext_msg ($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		2565
2159	} else {	2566	} else {
2160	$msg = $npc->name . " says: $msg" if $npc;	2567	$msg = $npc->name . " says: $msg" if $npc;
2161	$self->message ($msg, $flags);	2568	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2162	}	2569	}
2163	}	2570	}
		2571	}
		2572
		2573	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2574
		2575	=cut
		2576
		2577	sub cf::object::send_msg {
		2578	my $pl = shift->contr
		2579	or return;
		2580	$pl->send_msg (@_);
2164	}	2581	}
2165		2582
2166	=item $player_object->may ("access")	2583	=item $player_object->may ("access")
2167		2584
2168	Returns wether the given player is authorized to access resource "access"	2585	Returns wether the given player is authorized to access resource "access"
…		…
2181		2598
2182	=item $player_object->enter_link	2599	=item $player_object->enter_link
2183		2600
2184	Freezes the player and moves him/her to a special map (C<{link}>).	2601	Freezes the player and moves him/her to a special map (C<{link}>).
2185		2602
2186	The player should be reasonably safe there for short amounts of time. You	2603	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.	2604	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2605	though, as the player cannot control the character while it is on the link
		2606	map.
2188		2607
2189	Will never block.	2608	Will never block.
2190		2609
2191	=item $player_object->leave_link ($map, $x, $y)	2610	=item $player_object->leave_link ($map, $x, $y)
2192		2611
…		…
2212	sub cf::object::player::enter_link {	2631	sub cf::object::player::enter_link {
2213	my ($self) = @_;	2632	my ($self) = @_;
2214		2633
2215	$self->deactivate_recursive;	2634	$self->deactivate_recursive;
2216		2635
		2636	++$self->{_link_recursion};
		2637
2217	return if UNIVERSAL::isa $self->map, "ext::map_link";	2638	return if UNIVERSAL::isa $self->map, "ext::map_link";
2218		2639
2219	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2640	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2220	if $self->map && $self->map->{path} ne "{link}";	2641	if $self->map && $self->map->{path} ne "{link}";
2221		2642
2222	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2643	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2223	}	2644	}
2224		2645
2225	sub cf::object::player::leave_link {	2646	sub cf::object::player::leave_link {
2226	my ($self, $map, $x, $y) = @_;	2647	my ($self, $map, $x, $y) = @_;
2227		2648
…		…
2244	($x, $y) = (-1, -1)	2665	($x, $y) = (-1, -1)
2245	unless (defined $x) && (defined $y);	2666	unless (defined $x) && (defined $y);
2246		2667
2247	# use -1 or undef as default coordinates, not 0, 0	2668	# use -1 or undef as default coordinates, not 0, 0
2248	($x, $y) = ($map->enter_x, $map->enter_y)	2669	($x, $y) = ($map->enter_x, $map->enter_y)
2249	if $x <=0 && $y <= 0;	2670	if $x <= 0 && $y <= 0;
2250		2671
2251	$map->load;	2672	$map->load;
2252	$map->load_diag;	2673	$map->load_neighbours;
2253		2674
2254	return unless $self->contr->active;	2675	return unless $self->contr->active;
2255	$self->activate_recursive;
2256		2676
2257	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2677	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2258	$self->enter_map ($map, $x, $y);	2678	if ($self->enter_map ($map, $x, $y)) {
2259	}	2679	# entering was successful
		2680	delete $self->{_link_recursion};
		2681	# only activate afterwards, to support waiting in hooks
		2682	$self->activate_recursive;
		2683	}
2260		2684
		2685	}
		2686
2261	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2687	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2262		2688
2263	Moves the player to the given map-path and coordinates by first freezing	2689	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	2690	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	2691	that has to return the map if sucecssful, and then unfreezes the player on
2266	the new (success) or old (failed) map position.	2692	the new (success) or old (failed) map position. In either case, $done will
		2693	be called at the end of this process.
		2694
		2695	Note that $check will be called with a potentially non-loaded map, so if
		2696	it needs a loaded map it has to call C<< ->load >>.
2267		2697
2268	=cut	2698	=cut
2269		2699
2270	our $GOTOGEN;	2700	our $GOTOGEN;
2271		2701
2272	sub cf::object::player::goto {	2702	sub cf::object::player::goto {
2273	my ($self, $path, $x, $y, $check) = @_;	2703	my ($self, $path, $x, $y, $check, $done) = @_;
		2704
		2705	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2706	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2707	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2708	($path, $x, $y) = @$EMERGENCY_POSITION;
		2709	}
2274		2710
2275	# do generation counting so two concurrent goto's will be executed in-order	2711	# do generation counting so two concurrent goto's will be executed in-order
2276	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2712	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2277		2713
2278	$self->enter_link;	2714	$self->enter_link;
2279		2715
2280	(async {	2716	(async {
		2717	$Coro::current->{desc} = "player::goto $path $x $y";
		2718
		2719	# *tag paths override both path and x|y
		2720	if ($path =~ /^\*(.*)$/) {
		2721	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2722	my $ob = $obs[rand @obs];
		2723
		2724	# see if we actually can go there
		2725	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2726	$ob = $obs[rand @obs];
		2727	} else {
		2728	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2729	}
		2730	# else put us there anyways for now #d#
		2731
		2732	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2733	} else {
		2734	($path, $x, $y) = (undef, undef, undef);
		2735	}
		2736	}
		2737
2281	my $map = eval {	2738	my $map = eval {
2282	my $map = cf::map::find $path;	2739	my $map = defined $path ? cf::map::find $path : undef;
2283		2740
2284	if ($map) {	2741	if ($map) {
2285	$map = $map->customise_for ($self);	2742	$map = $map->customise_for ($self);
2286	$map = $check->($map) if $check && $map;	2743	$map = $check->($map, $x, $y, $self) if $check && $map;
2287	} else {	2744	} else {
2288	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2745	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2289	}	2746	}
2290		2747
2291	$map	2748	$map
2292	};	2749	};
2293		2750
…		…
2298		2755
2299	if ($gen == $self->{_goto_generation}) {	2756	if ($gen == $self->{_goto_generation}) {
2300	delete $self->{_goto_generation};	2757	delete $self->{_goto_generation};
2301	$self->leave_link ($map, $x, $y);	2758	$self->leave_link ($map, $x, $y);
2302	}	2759	}
		2760
		2761	$done->($self) if $done;
2303	})->prio (1);	2762	})->prio (1);
2304	}	2763	}
2305		2764
2306	=item $player_object->enter_exit ($exit_object)	2765	=item $player_object->enter_exit ($exit_object)
2307		2766
…		…
2327	}	2786	}
2328		2787
2329	sub prepare_random_map {	2788	sub prepare_random_map {
2330	my ($exit) = @_;	2789	my ($exit) = @_;
2331		2790
2332	my $guard = cf::lock_acquire "exit_prepare:$exit";
2333
2334	# all this does is basically replace the /! path by	2791	# all this does is basically replace the /! path by
2335	# a new random map path (?random/...) with a seed	2792	# a new random map path (?random/...) with a seed
2336	# that depends on the exit object	2793	# that depends on the exit object
2337		2794
2338	my $rmp = parse_random_map_params $exit->msg;	2795	my $rmp = parse_random_map_params $exit->msg;
…		…
2340	if ($exit->map) {	2797	if ($exit->map) {
2341	$rmp->{region} = $exit->region->name;	2798	$rmp->{region} = $exit->region->name;
2342	$rmp->{origin_map} = $exit->map->path;	2799	$rmp->{origin_map} = $exit->map->path;
2343	$rmp->{origin_x} = $exit->x;	2800	$rmp->{origin_x} = $exit->x;
2344	$rmp->{origin_y} = $exit->y;	2801	$rmp->{origin_y} = $exit->y;
		2802
		2803	$exit->map->touch;
2345	}	2804	}
2346		2805
2347	$rmp->{random_seed} ||= $exit->random_seed;	2806	$rmp->{random_seed} ||= $exit->random_seed;
2348		2807
2349	my $data = cf::to_json $rmp;	2808	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2350	my $md5 = Digest::MD5::md5_hex $data;	2809	my $md5 = Digest::MD5::md5_hex $data;
2351	my $meta = "$RANDOMDIR/$md5.meta";	2810	my $meta = "$RANDOMDIR/$md5.meta";
2352		2811
2353	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2812	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2354	aio_write $fh, 0, (length $data), $data, 0;	2813	aio_write $fh, 0, (length $data), $data, 0;
2355	undef $fh;	2814	undef $fh;
2356	aio_rename "$meta~", $meta;	2815	aio_rename "$meta~", $meta;
2357		2816
		2817	my $slaying = "?random/$md5";
		2818
		2819	if ($exit->valid) {
2358	$exit->slaying ("?random/$md5");	2820	$exit->slaying ("?random/$md5");
2359	$exit->msg (undef);	2821	$exit->msg (undef);
		2822	}
2360	}	2823	}
2361	}	2824	}
2362		2825
2363	sub cf::object::player::enter_exit {	2826	sub cf::object::player::enter_exit {
2364	my ($self, $exit) = @_;	2827	my ($self, $exit) = @_;
2365		2828
2366	return unless $self->type == cf::PLAYER;	2829	return unless $self->type == cf::PLAYER;
2367		2830
2368	if ($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;	2831	$self->enter_link;
2380		2832
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 {	2833	(async {
2386	$self->deactivate_recursive; # just to be sure	2834	$Coro::current->{desc} = "enter_exit";
		2835
2387	unless (eval {	2836	unless (eval {
		2837	$self->deactivate_recursive; # just to be sure
		2838
		2839	# random map handling
		2840	{
		2841	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2842
		2843	prepare_random_map $exit
		2844	if $exit->slaying eq "/!";
		2845	}
		2846
		2847	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2848	my $x = $exit->stats->hp;
		2849	my $y = $exit->stats->sp;
		2850
2388	$self->goto ($slaying, $hp, $sp);	2851	$self->goto ($map, $x, $y);
2389		2852
		2853	# if exit is damned, update players death & WoR home-position
		2854	$self->contr->savebed ($map, $x, $y)
		2855	if $exit->flag (cf::FLAG_DAMNED);
		2856
2390	1;	2857	1
2391	}) {	2858	}) {
2392	$self->message ("Something went wrong deep within the crossfire server. "	2859	$self->message ("Something went wrong deep within the deliantra server. "
2393	. "I'll try to bring you back to the map you were before. "	2860	. "I'll try to bring you back to the map you were before. "
2394	. "Please report this to the dungeon master!",	2861	. "Please report this to the dungeon master!",
2395	cf::NDI_UNIQUE | cf::NDI_RED);	2862	cf::NDI_UNIQUE | cf::NDI_RED);
2396		2863
2397	warn "ERROR in enter_exit: $@";	2864	error "ERROR in enter_exit: $@";
2398	$self->leave_link;	2865	$self->leave_link;
2399	}	2866	}
2400	})->prio (1);	2867	})->prio (1);
2401	}	2868	}
2402		2869
…		…
2416		2883
2417	utf8::encode $text;	2884	utf8::encode $text;
2418	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2885	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2419	}	2886	}
2420		2887
		2888	=item $client->send_big_packet ($pkt)
		2889
		2890	Like C<send_packet>, but tries to compress large packets, and fragments
		2891	them as required.
		2892
		2893	=cut
		2894
		2895	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2896
		2897	sub cf::client::send_big_packet {
		2898	my ($self, $pkt) = @_;
		2899
		2900	# try lzf for large packets
		2901	$pkt = "lzf " . Compress::LZF::compress $pkt
		2902	if 1024 <= length $pkt and $self->{can_lzf};
		2903
		2904	# split very large packets
		2905	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2906	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2907	$pkt = "frag";
		2908	}
		2909
		2910	$self->send_packet ($pkt);
		2911	}
		2912
2421	=item $client->send_msg ($color, $type, $msg, [extra...])	2913	=item $client->send_msg ($channel, $msg, $color, [extra...])
2422		2914
2423	Send a drawinfo or msg packet to the client, formatting the msg for the	2915	Send a drawinfo or msg packet to the client, formatting the msg for the
2424	client if neccessary. C<$type> should be a string identifying the type of	2916	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	2917	the message, with C<log> being the default. If C<$color> is negative, suppress
2426	the message unless the client supports the msg packet.	2918	the message unless the client supports the msg packet.
2427		2919
2428	=cut	2920	=cut
2429		2921
		2922	# non-persistent channels (usually the info channel)
		2923	our %CHANNEL = (
		2924	"c/motd" => {
		2925	id => "infobox",
		2926	title => "MOTD",
		2927	reply => undef,
		2928	tooltip => "The message of the day",
		2929	},
		2930	"c/identify" => {
		2931	id => "infobox",
		2932	title => "Identify",
		2933	reply => undef,
		2934	tooltip => "Items recently identified",
		2935	},
		2936	"c/examine" => {
		2937	id => "infobox",
		2938	title => "Examine",
		2939	reply => undef,
		2940	tooltip => "Signs and other items you examined",
		2941	},
		2942	"c/shopinfo" => {
		2943	id => "infobox",
		2944	title => "Shop Info",
		2945	reply => undef,
		2946	tooltip => "What your bargaining skill tells you about the shop",
		2947	},
		2948	"c/book" => {
		2949	id => "infobox",
		2950	title => "Book",
		2951	reply => undef,
		2952	tooltip => "The contents of a note or book",
		2953	},
		2954	"c/lookat" => {
		2955	id => "infobox",
		2956	title => "Look",
		2957	reply => undef,
		2958	tooltip => "What you saw there",
		2959	},
		2960	"c/who" => {
		2961	id => "infobox",
		2962	title => "Players",
		2963	reply => undef,
		2964	tooltip => "Shows players who are currently online",
		2965	},
		2966	"c/body" => {
		2967	id => "infobox",
		2968	title => "Body Parts",
		2969	reply => undef,
		2970	tooltip => "Shows which body parts you posess and are available",
		2971	},
		2972	"c/statistics" => {
		2973	id => "infobox",
		2974	title => "Statistics",
		2975	reply => undef,
		2976	tooltip => "Shows your primary statistics",
		2977	},
		2978	"c/skills" => {
		2979	id => "infobox",
		2980	title => "Skills",
		2981	reply => undef,
		2982	tooltip => "Shows your experience per skill and item power",
		2983	},
		2984	"c/shopitems" => {
		2985	id => "infobox",
		2986	title => "Shop Items",
		2987	reply => undef,
		2988	tooltip => "Shows the items currently for sale in this shop",
		2989	},
		2990	"c/resistances" => {
		2991	id => "infobox",
		2992	title => "Resistances",
		2993	reply => undef,
		2994	tooltip => "Shows your resistances",
		2995	},
		2996	"c/pets" => {
		2997	id => "infobox",
		2998	title => "Pets",
		2999	reply => undef,
		3000	tooltip => "Shows information abotu your pets/a specific pet",
		3001	},
		3002	"c/perceiveself" => {
		3003	id => "infobox",
		3004	title => "Perceive Self",
		3005	reply => undef,
		3006	tooltip => "You gained detailed knowledge about yourself",
		3007	},
		3008	"c/uptime" => {
		3009	id => "infobox",
		3010	title => "Uptime",
		3011	reply => undef,
		3012	tooltip => "How long the server has been running since last restart",
		3013	},
		3014	"c/mapinfo" => {
		3015	id => "infobox",
		3016	title => "Map Info",
		3017	reply => undef,
		3018	tooltip => "Information related to the maps",
		3019	},
		3020	"c/party" => {
		3021	id => "party",
		3022	title => "Party",
		3023	reply => "gsay ",
		3024	tooltip => "Messages and chat related to your party",
		3025	},
		3026	"c/death" => {
		3027	id => "death",
		3028	title => "Death",
		3029	reply => undef,
		3030	tooltip => "Reason for and more info about your most recent death",
		3031	},
		3032	"c/say" => $SAY_CHANNEL,
		3033	"c/chat" => $CHAT_CHANNEL,
		3034	);
		3035
2430	sub cf::client::send_msg {	3036	sub cf::client::send_msg {
2431	my ($self, $color, $type, $msg, @extra) = @_;	3037	my ($self, $channel, $msg, $color, @extra) = @_;
2432		3038
2433	$msg = $self->pl->expand_cfpod ($msg);	3039	$msg = $self->pl->expand_cfpod ($msg)
		3040	unless $color & cf::NDI_VERBATIM;
		3041
		3042	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3043
		3044	# check predefined channels, for the benefit of C
		3045	if ($CHANNEL{$channel}) {
		3046	$channel = $CHANNEL{$channel};
		3047
		3048	$self->ext_msg (channel_info => $channel);
		3049	$channel = $channel->{id};
		3050
		3051	} elsif (ref $channel) {
		3052	# send meta info to client, if not yet sent
		3053	unless (exists $self->{channel}{$channel->{id}}) {
		3054	$self->{channel}{$channel->{id}} = $channel;
		3055	$self->ext_msg (channel_info => $channel);
		3056	}
		3057
		3058	$channel = $channel->{id};
		3059	}
2434		3060
2435	return unless @extra || length $msg;	3061	return unless @extra || length $msg;
2436		3062
2437	if ($self->can_msg) {	3063	# default colour, mask it out
2438	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	3064	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2439	} else {	3065	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		3066
2450	if ($color >= 0) {	3067	my $pkt = "msg "
2451	if (0 && $msg =~ /\[/) {	3068	. $self->{json_coder}->encode (
2452	$self->send_packet ("drawextinfo $color 4 0 $msg")	3069	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2453	} else {	3070	);
2454	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2455	$self->send_packet ("drawinfo $color $msg")
2456	}
2457	}
2458	}
2459	}
2460		3071
		3072	$self->send_big_packet ($pkt);
		3073	}
		3074
2461	=item $client->ext_event ($type, %msg)	3075	=item $client->ext_msg ($type, @msg)
2462		3076
2463	Sends an ext event to the client.	3077	Sends an ext event to the client.
2464		3078
2465	=cut	3079	=cut
2466		3080
2467	sub cf::client::ext_event($$%) {	3081	sub cf::client::ext_msg($$@) {
2468	my ($self, $type, %msg) = @_;	3082	my ($self, $type, @msg) = @_;
2469		3083
		3084	if ($self->extcmd == 2) {
		3085	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3086	} elsif ($self->extcmd == 1) { # TODO: remove
2470	$msg{msgtype} = "event_$type";	3087	push @msg, msgtype => "event_$type";
2471	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3088	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3089	}
		3090	}
		3091
		3092	=item $client->ext_reply ($msgid, @msg)
		3093
		3094	Sends an ext reply to the client.
		3095
		3096	=cut
		3097
		3098	sub cf::client::ext_reply($$@) {
		3099	my ($self, $id, @msg) = @_;
		3100
		3101	if ($self->extcmd == 2) {
		3102	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3103	} elsif ($self->extcmd == 1) {
		3104	#TODO: version 1, remove
		3105	unshift @msg, msgtype => "reply", msgid => $id;
		3106	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3107	}
2472	}	3108	}
2473		3109
2474	=item $success = $client->query ($flags, "text", \&cb)	3110	=item $success = $client->query ($flags, "text", \&cb)
2475		3111
2476	Queues a query to the client, calling the given callback with	3112	Queues a query to the client, calling the given callback with
…		…
2531	my ($ns, $buf) = @_;	3167	my ($ns, $buf) = @_;
2532		3168
2533	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3169	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2534		3170
2535	if (ref $msg) {	3171	if (ref $msg) {
		3172	my ($type, $reply, @payload) =
		3173	"ARRAY" eq ref $msg
		3174	? @$msg
		3175	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3176
		3177	my @reply;
		3178
2536	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3179	if (my $cb = $EXTICMD{$type}) {
2537	if (my %reply = $cb->($ns, $msg)) {	3180	@reply = $cb->($ns, @payload);
2538	$reply{msgid} = $msg->{msgid};
2539	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2540	}
2541	}	3181	}
		3182
		3183	$ns->ext_reply ($reply, @reply)
		3184	if $reply;
		3185
2542	} else {	3186	} else {
2543	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3187	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2544	}	3188	}
2545		3189
2546	cf::override;	3190	cf::override;
2547	},	3191	},
2548	);	3192	);
…		…
2568		3212
2569	$coro	3213	$coro
2570	}	3214	}
2571		3215
2572	cf::client->attach (	3216	cf::client->attach (
2573	on_destroy => sub {	3217	on_client_destroy => sub {
2574	my ($ns) = @_;	3218	my ($ns) = @_;
2575		3219
2576	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3220	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2577	},	3221	},
2578	);	3222	);
…		…
2593	our $safe = new Safe "safe";	3237	our $safe = new Safe "safe";
2594	our $safe_hole = new Safe::Hole;	3238	our $safe_hole = new Safe::Hole;
2595		3239
2596	$SIG{FPE} = 'IGNORE';	3240	$SIG{FPE} = 'IGNORE';
2597		3241
2598	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3242	$safe->permit_only (Opcode::opset qw(
		3243	:base_core :base_mem :base_orig :base_math :base_loop
		3244	grepstart grepwhile mapstart mapwhile
		3245	sort time
		3246	));
2599		3247
2600	# here we export the classes and methods available to script code	3248	# here we export the classes and methods available to script code
2601		3249
2602	=pod	3250	=pod
2603		3251
2604	The following functions and methods are available within a safe environment:	3252	The following functions and methods are available within a safe environment:
2605		3253
2606	cf::object	3254	cf::object
2607	contr pay_amount pay_player map x y force_find force_add	3255	contr pay_amount pay_player map x y force_find force_add destroy
2608	insert remove	3256	insert remove name archname title slaying race decrease split
		3257	value
2609		3258
2610	cf::object::player	3259	cf::object::player
2611	player	3260	player
2612		3261
2613	cf::player	3262	cf::player
…		…
2618		3267
2619	=cut	3268	=cut
2620		3269
2621	for (	3270	for (
2622	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3271	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2623	insert remove)],	3272	insert remove inv nrof name archname title slaying race
		3273	decrease split destroy change_exp value msg lore send_msg)],
2624	["cf::object::player" => qw(player)],	3274	["cf::object::player" => qw(player)],
2625	["cf::player" => qw(peaceful)],	3275	["cf::player" => qw(peaceful send_msg)],
2626	["cf::map" => qw(trigger)],	3276	["cf::map" => qw(trigger)],
2627	) {	3277	) {
2628	no strict 'refs';	3278	no strict 'refs';
2629	my ($pkg, @funs) = @$_;	3279	my ($pkg, @funs) = @$_;
2630	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3280	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2648		3298
2649	my $qcode = $code;	3299	my $qcode = $code;
2650	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3300	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2651	$qcode =~ s/\n/\\n/g;	3301	$qcode =~ s/\n/\\n/g;
2652		3302
		3303	%vars = (_dummy => 0) unless %vars;
		3304
		3305	my @res;
2653	local $_;	3306	local $_;
2654	local @safe::cf::_safe_eval_args = values %vars;
2655		3307
2656	my $eval =	3308	my $eval =
2657	"do {\n"	3309	"do {\n"
2658	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3310	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2659	. "#line 0 \"{$qcode}\"\n"	3311	. "#line 0 \"{$qcode}\"\n"
2660	. $code	3312	. $code
2661	. "\n}"	3313	. "\n}"
2662	;	3314	;
2663		3315
		3316	if ($CFG{safe_eval}) {
2664	sub_generation_inc;	3317	sub_generation_inc;
		3318	local @safe::cf::_safe_eval_args = values %vars;
2665	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3319	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2666	sub_generation_inc;	3320	sub_generation_inc;
		3321	} else {
		3322	local @cf::_safe_eval_args = values %vars;
		3323	@res = wantarray ? eval eval : scalar eval $eval;
		3324	}
2667		3325
2668	if ($@) {	3326	if ($@) {
2669	warn "$@";	3327	warn "$@",
2670	warn "while executing safe code '$code'\n";	3328	"while executing safe code '$code'\n",
2671	warn "with arguments " . (join " ", %vars) . "\n";	3329	"with arguments " . (join " ", %vars) . "\n";
2672	}	3330	}
2673		3331
2674	wantarray ? @res : $res[0]	3332	wantarray ? @res : $res[0]
2675	}	3333	}
2676		3334
…		…
2690	=cut	3348	=cut
2691		3349
2692	sub register_script_function {	3350	sub register_script_function {
2693	my ($fun, $cb) = @_;	3351	my ($fun, $cb) = @_;
2694		3352
2695	no strict 'refs';	3353	$fun = "safe::$fun" if $CFG{safe_eval};
2696	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3354	*$fun = $safe_hole->wrap ($cb);
2697	}	3355	}
2698		3356
2699	=back	3357	=back
2700		3358
2701	=cut	3359	=cut
…		…
2704	# the server's init and main functions	3362	# the server's init and main functions
2705		3363
2706	sub load_facedata($) {	3364	sub load_facedata($) {
2707	my ($path) = @_;	3365	my ($path) = @_;
2708		3366
		3367	# HACK to clear player env face cache, we need some signal framework
		3368	# for this (global event?)
		3369	%ext::player_env::MUSIC_FACE_CACHE = ();
		3370
		3371	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3372
2709	warn "loading facedata from $path\n";	3373	trace "loading facedata from $path\n";
2710		3374
2711	my $facedata;	3375	my $facedata;
2712	0 < aio_load $path, $facedata	3376	0 < aio_load $path, $facedata
2713	or die "$path: $!";	3377	or die "$path: $!";
2714		3378
2715	$facedata = Coro::Storable::thaw $facedata;	3379	$facedata = Coro::Storable::thaw $facedata;
2716		3380
2717	$facedata->{version} == 2	3381	$facedata->{version} == 2
2718	or cf::cleanup "$path: version mismatch, cannot proceed.";	3382	or cf::cleanup "$path: version mismatch, cannot proceed.";
2719		3383
		3384	# patch in the exptable
		3385	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3386	$facedata->{resource}{"res/exp_table"} = {
		3387	type => FT_RSRC,
		3388	data => $exp_table,
		3389	hash => (Digest::MD5::md5 $exp_table),
		3390	};
		3391	cf::cede_to_tick;
		3392
2720	{	3393	{
2721	my $faces = $facedata->{faceinfo};	3394	my $faces = $facedata->{faceinfo};
2722		3395
2723	while (my ($face, $info) = each %$faces) {	3396	while (my ($face, $info) = each %$faces) {
2724	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3397	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3398
2725	cf::face::set_visibility $idx, $info->{visibility};	3399	cf::face::set_visibility $idx, $info->{visibility};
2726	cf::face::set_magicmap $idx, $info->{magicmap};	3400	cf::face::set_magicmap $idx, $info->{magicmap};
2727	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3401	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2728	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3402	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2729		3403
2730	cf::cede_to_tick;	3404	cf::cede_to_tick;
2731	}	3405	}
2732		3406
2733	while (my ($face, $info) = each %$faces) {	3407	while (my ($face, $info) = each %$faces) {
2734	next unless $info->{smooth};	3408	next unless $info->{smooth};
		3409
2735	my $idx = cf::face::find $face	3410	my $idx = cf::face::find $face
2736	or next;	3411	or next;
		3412
2737	if (my $smooth = cf::face::find $info->{smooth}) {	3413	if (my $smooth = cf::face::find $info->{smooth}) {
2738	cf::face::set_smooth $idx, $smooth;	3414	cf::face::set_smooth $idx, $smooth;
2739	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3415	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2740	} else {	3416	} else {
2741	warn "smooth face '$info->{smooth}' not found for face '$face'";	3417	error "smooth face '$info->{smooth}' not found for face '$face'";
2742	}	3418	}
2743		3419
2744	cf::cede_to_tick;	3420	cf::cede_to_tick;
2745	}	3421	}
2746	}	3422	}
…		…
2755		3431
2756	cf::anim::invalidate_all; # d'oh	3432	cf::anim::invalidate_all; # d'oh
2757	}	3433	}
2758		3434
2759	{	3435	{
2760	# TODO: for gcfclient pleasure, we should give resources
2761	# that gcfclient doesn't grok a >10000 face index.
2762	my $res = $facedata->{resource};	3436	my $res = $facedata->{resource};
2763	my $enc = JSON::XS->new->utf8->canonical;
2764		3437
2765	while (my ($name, $info) = each %$res) {	3438	while (my ($name, $info) = each %$res) {
2766	my $meta = $enc->encode ({	3439	if (defined $info->{type}) {
2767	name => $name,
2768	type => $info->{type},
2769	copyright => $info->{copyright},
2770	});
2771	my $data = pack "(w/a*)*", $meta, $info->{data};
2772	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2773
2774	use Data::Dumper; warn Dumper substr $data, 0, 100;#d#
2775
2776	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3440	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3441
		3442	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
2777	cf::face::set_type $idx, 1;	3443	cf::face::set_type $idx, $info->{type};
2778	cf::face::set_data $idx, 0, $data, $chk;	3444	} else {
		3445	$RESOURCE{$name} = $info; # unused
		3446	}
2779		3447
2780	# TODO
2781	cf::cede_to_tick;	3448	cf::cede_to_tick;
2782	}	3449	}
2783	}	3450	}
2784		3451
		3452	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3453
2785	1	3454	1
2786	}	3455	}
2787		3456
		3457	register_exticmd fx_want => sub {
		3458	my ($ns, $want) = @_;
		3459
		3460	while (my ($k, $v) = each %$want) {
		3461	$ns->fx_want ($k, $v);
		3462	}
		3463	};
		3464
		3465	sub load_resource_file($) {
		3466	my $guard = lock_acquire "load_resource_file";
		3467
		3468	my $status = load_resource_file_ $_[0];
		3469	get_slot 0.1, 100;
		3470	cf::arch::commit_load;
		3471
		3472	$status
		3473	}
		3474
2788	sub reload_regions {	3475	sub reload_regions {
		3476	# HACK to clear player env face cache, we need some signal framework
		3477	# for this (global event?)
		3478	%ext::player_env::MUSIC_FACE_CACHE = ();
		3479
2789	load_resource_file "$MAPDIR/regions"	3480	load_resource_file "$MAPDIR/regions"
2790	or die "unable to load regions file\n";	3481	or die "unable to load regions file\n";
		3482
		3483	for (cf::region::list) {
		3484	$_->{match} = qr/$_->{match}/
		3485	if exists $_->{match};
		3486	}
2791	}	3487	}
2792		3488
2793	sub reload_facedata {	3489	sub reload_facedata {
2794	load_facedata "$DATADIR/facedata"	3490	load_facedata "$DATADIR/facedata"
2795	or die "unable to load facedata\n";	3491	or die "unable to load facedata\n";
2796	}	3492	}
2797		3493
2798	sub reload_archetypes {	3494	sub reload_archetypes {
2799	load_resource_file "$DATADIR/archetypes"	3495	load_resource_file "$DATADIR/archetypes"
2800	or die "unable to load archetypes\n";	3496	or die "unable to load archetypes\n";
2801	#d# NEED to laod twice to resolve forward references
2802	# this really needs to be done in an extra post-pass
2803	# (which needs to be synchronous, so solve it differently)
2804	load_resource_file "$DATADIR/archetypes"
2805	or die "unable to load archetypes\n";
2806	}	3497	}
2807		3498
2808	sub reload_treasures {	3499	sub reload_treasures {
2809	load_resource_file "$DATADIR/treasures"	3500	load_resource_file "$DATADIR/treasures"
2810	or die "unable to load treasurelists\n";	3501	or die "unable to load treasurelists\n";
2811	}	3502	}
2812		3503
		3504	sub reload_sound {
		3505	trace "loading sound config from $DATADIR/sound\n";
		3506
		3507	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3508	or die "$DATADIR/sound $!";
		3509
		3510	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3511
		3512	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3513	my $sound = $soundconf->{compat}[$_]
		3514	or next;
		3515
		3516	my $face = cf::face::find "sound/$sound->[1]";
		3517	cf::sound::set $sound->[0] => $face;
		3518	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3519	}
		3520
		3521	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3522	my $face = cf::face::find "sound/$v";
		3523	cf::sound::set $k => $face;
		3524	}
		3525	}
		3526
2813	sub reload_resources {	3527	sub reload_resources {
2814	warn "reloading resource files...\n";	3528	trace "reloading resource files...\n";
2815		3529
		3530	reload_facedata;
		3531	reload_sound;
		3532	reload_archetypes;
2816	reload_regions;	3533	reload_regions;
2817	reload_facedata;
2818	#reload_archetypes;#d#
2819	reload_archetypes;
2820	reload_treasures;	3534	reload_treasures;
2821		3535
2822	warn "finished reloading resource files\n";	3536	trace "finished reloading resource files\n";
2823	}	3537	}
2824		3538
2825	sub init {	3539	sub reload_config {
2826	reload_resources;	3540	trace "reloading config file...\n";
2827	}
2828		3541
2829	sub cfg_load {
2830	open my $fh, "<:utf8", "$CONFDIR/config"	3542	open my $fh, "<:utf8", "$CONFDIR/config"
2831	or return;	3543	or return;
2832		3544
2833	local $/;	3545	local $/;
2834	*CFG = YAML::Syck::Load <$fh>;	3546	*CFG = YAML::XS::Load scalar <$fh>;
2835		3547
2836	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3548	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2837		3549
2838	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3550	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2839	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3551	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2840		3552
2841	if (exists $CFG{mlockall}) {	3553	if (exists $CFG{mlockall}) {
…		…
2843	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3555	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2844	and die "WARNING: m(un)lockall failed: $!\n";	3556	and die "WARNING: m(un)lockall failed: $!\n";
2845	};	3557	};
2846	warn $@ if $@;	3558	warn $@ if $@;
2847	}	3559	}
		3560
		3561	trace "finished reloading resource files\n";
		3562	}
		3563
		3564	sub pidfile() {
		3565	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3566	or die "$PIDFILE: $!";
		3567	flock $fh, &Fcntl::LOCK_EX
		3568	or die "$PIDFILE: flock: $!";
		3569	$fh
		3570	}
		3571
		3572	# make sure only one server instance is running at any one time
		3573	sub atomic {
		3574	my $fh = pidfile;
		3575
		3576	my $pid = <$fh>;
		3577	kill 9, $pid if $pid > 0;
		3578
		3579	seek $fh, 0, 0;
		3580	print $fh $$;
		3581	}
		3582
		3583	sub main_loop {
		3584	trace "EV::loop starting\n";
		3585	if (1) {
		3586	EV::loop;
		3587	}
		3588	trace "EV::loop returned\n";
		3589	goto &main_loop unless $REALLY_UNLOOP;
2848	}	3590	}
2849		3591
2850	sub main {	3592	sub main {
		3593	cf::init_globals; # initialise logging
		3594
		3595	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3596	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3597	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3598	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3599
		3600	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3601
2851	# we must not ever block the main coroutine	3602	# we must not ever block the main coroutine
2852	local $Coro::idle = sub {	3603	local $Coro::idle = sub {
2853	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3604	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2854	(async {	3605	(async {
2855	Event::one_event;	3606	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3607	EV::loop EV::LOOP_ONESHOT;
2856	})->prio (Coro::PRIO_MAX);	3608	})->prio (Coro::PRIO_MAX);
2857	};	3609	};
2858		3610
2859	cfg_load;	3611	evthread_start IO::AIO::poll_fileno;
		3612
		3613	cf::sync_job {
		3614	cf::init_experience;
		3615	cf::init_anim;
		3616	cf::init_attackmess;
		3617	cf::init_dynamic;
		3618
		3619	cf::load_settings;
		3620	cf::load_materials;
		3621
		3622	reload_resources;
		3623	reload_config;
2860	db_init;	3624	db_init;
		3625
		3626	cf::init_uuid;
		3627	cf::init_signals;
		3628	cf::init_skills;
		3629
		3630	cf::init_beforeplay;
		3631
		3632	atomic;
		3633
2861	load_extensions;	3634	load_extensions;
2862		3635
2863	$TICK_WATCHER->start;	3636	utime time, time, $RUNTIMEFILE;
2864	Event::loop;	3637
		3638	# no (long-running) fork's whatsoever before this point(!)
		3639	use POSIX ();
		3640	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3641
		3642	(pop @POST_INIT)->(0) while @POST_INIT;
		3643	};
		3644
		3645	cf::object::thawer::errors_are_fatal 0;
		3646	info "parse errors in files are no longer fatal from this point on.\n";
		3647
		3648	main_loop;
2865	}	3649	}
2866		3650
2867	#############################################################################	3651	#############################################################################
2868	# initialisation and cleanup	3652	# initialisation and cleanup
2869		3653
2870	# install some emergency cleanup handlers	3654	# install some emergency cleanup handlers
2871	BEGIN {	3655	BEGIN {
		3656	our %SIGWATCHER = ();
2872	for my $signal (qw(INT HUP TERM)) {	3657	for my $signal (qw(INT HUP TERM)) {
2873	Event->signal (	3658	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2874	reentrant => 0,
2875	data => WF_AUTOCANCEL,
2876	signal => $signal,
2877	prio => 0,
2878	cb => sub {
2879	cf::cleanup "SIG$signal";	3659	cf::cleanup "SIG$signal";
2880	},
2881	);	3660	};
2882	}	3661	}
2883	}	3662	}
2884		3663
2885	sub write_runtime {	3664	sub write_runtime_sync {
2886	my $runtime = "$LOCALDIR/runtime";	3665	my $t0 = AE::time;
2887		3666
2888	# first touch the runtime file to show we are still running:	3667	# first touch the runtime file to show we are still running:
2889	# the fsync below can take a very very long time.	3668	# the fsync below can take a very very long time.
2890		3669
2891	IO::AIO::aio_utime $runtime, undef, undef;	3670	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2892		3671
2893	my $guard = cf::lock_acquire "write_runtime";	3672	my $guard = cf::lock_acquire "write_runtime";
2894		3673
2895	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3674	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2896	or return;	3675	or return;
2897		3676
2898	my $value = $cf::RUNTIME + 90 + 10;	3677	my $value = $cf::RUNTIME + 90 + 10;
2899	# 10 is the runtime save interval, for a monotonic clock	3678	# 10 is the runtime save interval, for a monotonic clock
2900	# 60 allows for the watchdog to kill the server.	3679	# 60 allows for the watchdog to kill the server.
…		…
2910	aio_utime $fh, undef, undef;	3689	aio_utime $fh, undef, undef;
2911		3690
2912	close $fh	3691	close $fh
2913	or return;	3692	or return;
2914		3693
2915	aio_rename "$runtime~", $runtime	3694	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2916	and return;	3695	and return;
2917		3696
2918	warn "runtime file written.\n";	3697	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2919		3698
2920	1	3699	1
		3700	}
		3701
		3702	our $uuid_lock;
		3703	our $uuid_skip;
		3704
		3705	sub write_uuid_sync($) {
		3706	$uuid_skip ||= $_[0];
		3707
		3708	return if $uuid_lock;
		3709	local $uuid_lock = 1;
		3710
		3711	my $uuid = "$LOCALDIR/uuid";
		3712
		3713	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3714	or return;
		3715
		3716	my $value = uuid_seq uuid_cur;
		3717
		3718	unless ($value) {
		3719	info "cowardly refusing to write zero uuid value!\n";
		3720	return;
		3721	}
		3722
		3723	my $value = uuid_str $value + $uuid_skip;
		3724	$uuid_skip = 0;
		3725
		3726	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3727	and return;
		3728
		3729	# always fsync - this file is important
		3730	aio_fsync $fh
		3731	and return;
		3732
		3733	close $fh
		3734	or return;
		3735
		3736	aio_rename "$uuid~", $uuid
		3737	and return;
		3738
		3739	trace "uuid file written ($value).\n";
		3740
		3741	1
		3742
		3743	}
		3744
		3745	sub write_uuid($$) {
		3746	my ($skip, $sync) = @_;
		3747
		3748	$sync ? write_uuid_sync $skip
		3749	: async { write_uuid_sync $skip };
2921	}	3750	}
2922		3751
2923	sub emergency_save() {	3752	sub emergency_save() {
2924	my $freeze_guard = cf::freeze_mainloop;	3753	my $freeze_guard = cf::freeze_mainloop;
2925		3754
2926	warn "enter emergency perl save\n";	3755	info "emergency_perl_save: enter\n";
		3756
		3757	# this is a trade-off: we want to be very quick here, so
		3758	# save all maps without fsync, and later call a global sync
		3759	# (which in turn might be very very slow)
		3760	local $USE_FSYNC = 0;
2927		3761
2928	cf::sync_job {	3762	cf::sync_job {
		3763	cf::write_runtime_sync; # external watchdog should not bark
		3764
2929	# use a peculiar iteration method to avoid tripping on perl	3765	# use a peculiar iteration method to avoid tripping on perl
2930	# refcount bugs in for. also avoids problems with players	3766	# refcount bugs in for. also avoids problems with players
2931	# and maps saved/destroyed asynchronously.	3767	# and maps saved/destroyed asynchronously.
2932	warn "begin emergency player save\n";	3768	info "emergency_perl_save: begin player save\n";
2933	for my $login (keys %cf::PLAYER) {	3769	for my $login (keys %cf::PLAYER) {
2934	my $pl = $cf::PLAYER{$login} or next;	3770	my $pl = $cf::PLAYER{$login} or next;
2935	$pl->valid or next;	3771	$pl->valid or next;
		3772	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2936	$pl->save;	3773	$pl->save;
2937	}	3774	}
2938	warn "end emergency player save\n";	3775	info "emergency_perl_save: end player save\n";
2939		3776
2940	warn "begin emergency map save\n";	3777	cf::write_runtime_sync; # external watchdog should not bark
		3778
		3779	info "emergency_perl_save: begin map save\n";
2941	for my $path (keys %cf::MAP) {	3780	for my $path (keys %cf::MAP) {
2942	my $map = $cf::MAP{$path} or next;	3781	my $map = $cf::MAP{$path} or next;
2943	$map->valid or next;	3782	$map->valid or next;
2944	$map->save;	3783	$map->save;
2945	}	3784	}
2946	warn "end emergency map save\n";	3785	info "emergency_perl_save: end map save\n";
2947		3786
2948	warn "begin emergency database checkpoint\n";	3787	cf::write_runtime_sync; # external watchdog should not bark
		3788
		3789	info "emergency_perl_save: begin database checkpoint\n";
2949	BDB::db_env_txn_checkpoint $DB_ENV;	3790	BDB::db_env_txn_checkpoint $DB_ENV;
2950	warn "end emergency database checkpoint\n";	3791	info "emergency_perl_save: end database checkpoint\n";
		3792
		3793	info "emergency_perl_save: begin write uuid\n";
		3794	write_uuid_sync 1;
		3795	info "emergency_perl_save: end write uuid\n";
		3796
		3797	cf::write_runtime_sync; # external watchdog should not bark
		3798
		3799	trace "emergency_perl_save: syncing database to disk";
		3800	BDB::db_env_txn_checkpoint $DB_ENV;
		3801
		3802	info "emergency_perl_save: starting sync()\n";
		3803	IO::AIO::aio_sync sub {
		3804	info "emergency_perl_save: finished sync()\n";
		3805	};
		3806
		3807	cf::write_runtime_sync; # external watchdog should not bark
		3808
		3809	trace "emergency_perl_save: flushing outstanding aio requests";
		3810	while (IO::AIO::nreqs || BDB::nreqs) {
		3811	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3812	}
		3813
		3814	cf::write_runtime_sync; # external watchdog should not bark
2951	};	3815	};
2952		3816
2953	warn "leave emergency perl save\n";	3817	info "emergency_perl_save: leave\n";
2954	}	3818	}
2955		3819
2956	sub post_cleanup {	3820	sub post_cleanup {
2957	my ($make_core) = @_;	3821	my ($make_core) = @_;
2958		3822
		3823	IO::AIO::flush;
		3824
		3825	IO::AIO::flush;
		3826
2959	warn Carp::longmess "post_cleanup backtrace"	3827	error Carp::longmess "post_cleanup backtrace"
2960	if $make_core;	3828	if $make_core;
		3829
		3830	my $fh = pidfile;
		3831	unlink $PIDFILE if <$fh> == $$;
		3832	}
		3833
		3834	# a safer delete_package, copied from Symbol
		3835	sub clear_package($) {
		3836	my $pkg = shift;
		3837
		3838	# expand to full symbol table name if needed
		3839	unless ($pkg =~ /^main::.*::$/) {
		3840	$pkg = "main$pkg" if $pkg =~ /^::/;
		3841	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3842	$pkg .= '::' unless $pkg =~ /::$/;
		3843	}
		3844
		3845	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3846	my $stem_symtab = *{$stem}{HASH};
		3847
		3848	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3849	or return;
		3850
		3851	# clear all symbols
		3852	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3853	for my $name (keys %$leaf_symtab) {
		3854	_gv_clear *{"$pkg$name"};
		3855	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3856	}
2961	}	3857	}
2962		3858
2963	sub do_reload_perl() {	3859	sub do_reload_perl() {
2964	# can/must only be called in main	3860	# can/must only be called in main
2965	if ($Coro::current != $Coro::main) {	3861	if (in_main) {
2966	warn "can only reload from main coroutine";	3862	error "can only reload from main coroutine";
2967	return;	3863	return;
2968	}	3864	}
2969		3865
		3866	return if $RELOAD++;
		3867
		3868	my $t1 = AE::time;
		3869
		3870	while ($RELOAD) {
2970	warn "reloading...";	3871	info "reloading...";
2971		3872
2972	warn "entering sync_job";	3873	trace "entering sync_job";
2973		3874
2974	cf::sync_job {	3875	cf::sync_job {
2975	cf::write_runtime; # external watchdog should not bark
2976	cf::emergency_save;	3876	cf::emergency_save;
2977	cf::write_runtime; # external watchdog should not bark
2978		3877
2979	warn "syncing database to disk";
2980	BDB::db_env_txn_checkpoint $DB_ENV;
2981
2982	# if anything goes wrong in here, we should simply crash as we already saved
2983
2984	warn "cancelling all WF_AUTOCANCEL watchers";
2985	for (Event::all_watchers) {
2986	$_->cancel if $_->data & WF_AUTOCANCEL;
2987	}
2988
2989	warn "flushing outstanding aio requests";
2990	for (;;) {
2991	BDB::flush;
2992	IO::AIO::flush;
2993	Coro::cede;
2994	last unless IO::AIO::nreqs || BDB::nreqs;
2995	warn "iterate...";
2996	}
2997
2998	++$RELOAD;
2999
3000	warn "cancelling all extension coros";	3878	trace "cancelling all extension coros";
3001	$_->cancel for values %EXT_CORO;	3879	$_->cancel for values %EXT_CORO;
3002	%EXT_CORO = ();	3880	%EXT_CORO = ();
3003		3881
3004	warn "removing commands";	3882	trace "removing commands";
3005	%COMMAND = ();	3883	%COMMAND = ();
3006		3884
3007	warn "removing ext/exti commands";	3885	trace "removing ext/exti commands";
3008	%EXTCMD = ();	3886	%EXTCMD = ();
3009	%EXTICMD = ();	3887	%EXTICMD = ();
3010		3888
3011	warn "unloading/nuking all extensions";	3889	trace "unloading/nuking all extensions";
3012	for my $pkg (@EXTS) {	3890	for my $pkg (@EXTS) {
3013	warn "... unloading $pkg";	3891	trace "... unloading $pkg";
3014		3892
3015	if (my $cb = $pkg->can ("unload")) {	3893	if (my $cb = $pkg->can ("unload")) {
3016	eval {	3894	eval {
3017	$cb->($pkg);	3895	$cb->($pkg);
3018	1	3896	1
3019	} or warn "$pkg unloaded, but with errors: $@";	3897	} or error "$pkg unloaded, but with errors: $@";
		3898	}
		3899
		3900	trace "... clearing $pkg";
		3901	clear_package $pkg;
3020	}	3902	}
3021		3903
3022	warn "... nuking $pkg";
3023	Symbol::delete_package $pkg;
3024	}
3025
3026	warn "unloading all perl modules loaded from $LIBDIR";	3904	trace "unloading all perl modules loaded from $LIBDIR";
3027	while (my ($k, $v) = each %INC) {	3905	while (my ($k, $v) = each %INC) {
3028	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3906	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3029		3907
3030	warn "... unloading $k";	3908	trace "... unloading $k";
3031	delete $INC{$k};	3909	delete $INC{$k};
3032		3910
3033	$k =~ s/\.pm$//;	3911	$k =~ s/\.pm$//;
3034	$k =~ s/\//::/g;	3912	$k =~ s/\//::/g;
3035		3913
3036	if (my $cb = $k->can ("unload_module")) {	3914	if (my $cb = $k->can ("unload_module")) {
3037	$cb->();	3915	$cb->();
		3916	}
		3917
		3918	clear_package $k;
3038	}	3919	}
3039		3920
3040	Symbol::delete_package $k;
3041	}
3042
3043	warn "getting rid of safe::, as good as possible";	3921	trace "getting rid of safe::, as good as possible";
3044	Symbol::delete_package "safe::$_"	3922	clear_package "safe::$_"
3045	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3923	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3046		3924
3047	warn "unloading cf.pm \"a bit\"";	3925	trace "unloading cf.pm \"a bit\"";
3048	delete $INC{"cf.pm"};	3926	delete $INC{"cf.pm"};
3049	delete $INC{"cf/pod.pm"};	3927	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3050		3928
3051	# don't, removes xs symbols, too,	3929	# don't, removes xs symbols, too,
3052	# and global variables created in xs	3930	# and global variables created in xs
3053	#Symbol::delete_package __PACKAGE__;	3931	#clear_package __PACKAGE__;
3054		3932
3055	warn "unload completed, starting to reload now";	3933	info "unload completed, starting to reload now";
3056		3934
3057	warn "reloading cf.pm";	3935	trace "reloading cf.pm";
3058	require cf;	3936	require cf;
3059	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3937	cf::_connect_to_perl_1;
3060		3938
3061	warn "loading config and database again";	3939	trace "loading config and database again";
3062	cf::cfg_load;	3940	cf::reload_config;
3063		3941
3064	warn "loading extensions";	3942	trace "loading extensions";
3065	cf::load_extensions;	3943	cf::load_extensions;
3066		3944
		3945	if ($REATTACH_ON_RELOAD) {
3067	warn "reattaching attachments to objects/players";	3946	trace "reattaching attachments to objects/players";
3068	_global_reattach; # objects, sockets	3947	_global_reattach; # objects, sockets
3069	warn "reattaching attachments to maps";	3948	trace "reattaching attachments to maps";
3070	reattach $_ for values %MAP;	3949	reattach $_ for values %MAP;
3071	warn "reattaching attachments to players";	3950	trace "reattaching attachments to players";
3072	reattach $_ for values %PLAYER;	3951	reattach $_ for values %PLAYER;
		3952	}
3073		3953
		3954	trace "running post_init jobs";
		3955	(pop @POST_INIT)->(1) while @POST_INIT;
		3956
3074	warn "leaving sync_job";	3957	trace "leaving sync_job";
3075		3958
3076	1	3959	1
3077	} or do {	3960	} or do {
3078	warn $@;	3961	error $@;
3079	warn "error while reloading, exiting.";	3962	cf::cleanup "error while reloading, exiting.";
3080	exit 1;	3963	};
		3964
		3965	info "reloaded";
		3966	--$RELOAD;
3081	};	3967	}
3082		3968
3083	warn "reloaded";	3969	$t1 = AE::time - $t1;
		3970	info "reload completed in ${t1}s\n";
3084	};	3971	};
3085		3972
3086	our $RELOAD_WATCHER; # used only during reload	3973	our $RELOAD_WATCHER; # used only during reload
3087		3974
3088	sub reload_perl() {	3975	sub reload_perl() {
3089	# doing reload synchronously and two reloads happen back-to-back,	3976	# doing reload synchronously and two reloads happen back-to-back,
3090	# coro crashes during coro_state_free->destroy here.	3977	# coro crashes during coro_state_free->destroy here.
3091		3978
3092	$RELOAD_WATCHER ||= Event->timer (	3979	$RELOAD_WATCHER ||= cf::async {
3093	reentrant => 0,	3980	Coro::AIO::aio_wait cache_extensions;
3094	after => 0,	3981
3095	data => WF_AUTOCANCEL,	3982	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3096	cb => sub {
3097	do_reload_perl;	3983	do_reload_perl;
3098	undef $RELOAD_WATCHER;	3984	undef $RELOAD_WATCHER;
3099	},	3985	};
3100	);	3986	};
3101	}	3987	}
3102		3988
3103	register_command "reload" => sub {	3989	register_command "reload" => sub {
3104	my ($who, $arg) = @_;	3990	my ($who, $arg) = @_;
3105		3991
3106	if ($who->flag (FLAG_WIZ)) {	3992	if ($who->flag (FLAG_WIZ)) {
3107	$who->message ("reloading server.");	3993	$who->message ("reloading server.");
		3994	async {
		3995	$Coro::current->{desc} = "perl_reload";
3108	async { reload_perl };	3996	reload_perl;
		3997	};
3109	}	3998	}
3110	};	3999	};
3111		4000
3112	unshift @INC, $LIBDIR;	4001	unshift @INC, $LIBDIR;
3113		4002
…		…
3115		4004
3116	our @WAIT_FOR_TICK;	4005	our @WAIT_FOR_TICK;
3117	our @WAIT_FOR_TICK_BEGIN;	4006	our @WAIT_FOR_TICK_BEGIN;
3118		4007
3119	sub wait_for_tick {	4008	sub wait_for_tick {
3120	return unless $TICK_WATCHER->is_active;
3121	return if $Coro::current == $Coro::main;	4009	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3122		4010
3123	my $signal = new Coro::Signal;	4011	my $signal = new Coro::Signal;
3124	push @WAIT_FOR_TICK, $signal;	4012	push @WAIT_FOR_TICK, $signal;
3125	$signal->wait;	4013	$signal->wait;
3126	}	4014	}
3127		4015
3128	sub wait_for_tick_begin {	4016	sub wait_for_tick_begin {
3129	return unless $TICK_WATCHER->is_active;
3130	return if $Coro::current == $Coro::main;	4017	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3131		4018
3132	my $signal = new Coro::Signal;	4019	my $signal = new Coro::Signal;
3133	push @WAIT_FOR_TICK_BEGIN, $signal;	4020	push @WAIT_FOR_TICK_BEGIN, $signal;
3134	$signal->wait;	4021	$signal->wait;
3135	}	4022	}
3136		4023
3137	my $min = 1e6;#d#	4024	sub tick {
3138	my $avg = 10;
3139	$TICK_WATCHER = Event->timer (
3140	reentrant => 0,
3141	parked => 1,
3142	prio => 0,
3143	at => $NEXT_TICK || $TICK,
3144	data => WF_AUTOCANCEL,
3145	cb => sub {
3146	if ($Coro::current != $Coro::main) {	4025	if ($Coro::current != $Coro::main) {
3147	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4026	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3148	unless ++$bug_warning > 10;	4027	unless ++$bug_warning > 10;
3149	return;	4028	return;
3150	}	4029	}
3151		4030
3152	$NOW = $tick_start = Event::time;
3153
3154	cf::server_tick; # one server iteration	4031	cf::server_tick; # one server iteration
3155		4032
3156	0 && sync_job {#d#	4033	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3157	for(1..10) {
3158	my $t = Event::time;
3159	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3160	or die;
3161		4034
3162	$map->width (50);	4035	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3163	$map->height (50);	4036	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3164	$map->alloc;	4037	Coro::async_pool {
3165	$map->_load_objects ("/tmp/x.map", 1);	4038	$Coro::current->{desc} = "runtime saver";
3166	my $t = Event::time - $t;	4039	write_runtime_sync
3167		4040	or error "ERROR: unable to write runtime file: $!";
3168	#next unless $t < 0.0013;#d#
3169	if ($t < $min) {
3170	$min = $t;
3171	}
3172	$avg = $avg * 0.99 + $t * 0.01;
3173	}
3174	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3175	exit 0;
3176	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3177	};	4041	};
		4042	}
3178		4043
3179	$RUNTIME += $TICK;
3180	$NEXT_TICK += $TICK;
3181
3182	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3183	$NEXT_RUNTIME_WRITE = $NOW + 10;
3184	Coro::async_pool {
3185	write_runtime
3186	or warn "ERROR: unable to write runtime file: $!";
3187	};
3188	}
3189
3190	# my $AFTER = Event::time;
3191	# warn $AFTER - $NOW;#d#
3192
3193	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4044	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3194	$sig->send;	4045	$sig->send;
3195	}	4046	}
3196	while (my $sig = shift @WAIT_FOR_TICK) {	4047	while (my $sig = shift @WAIT_FOR_TICK) {
3197	$sig->send;	4048	$sig->send;
3198	}	4049	}
3199		4050
3200	$NOW = Event::time;	4051	$LOAD = ($NOW - $TICK_START) / $TICK;
3201
3202	# if we are delayed by four ticks or more, skip them all
3203	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3204
3205	$TICK_WATCHER->at ($NEXT_TICK);
3206	$TICK_WATCHER->start;
3207
3208	$LOAD = ($NOW - $tick_start) / $TICK;
3209	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4052	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3210		4053
3211	_post_tick;	4054	if (0) {
3212		4055	if ($NEXT_TICK) {
3213		4056	my $jitter = $TICK_START - $NEXT_TICK;
		4057	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4058	debug "jitter $JITTER\n";#d#
		4059	}
3214	},	4060	}
3215	);	4061	}
3216		4062
3217	{	4063	{
3218	BDB::max_poll_time $TICK * 0.1;	4064	# configure BDB
3219	$BDB_POLL_WATCHER = Event->io (	4065
3220	reentrant => 0,
3221	fd => BDB::poll_fileno,
3222	poll => 'r',
3223	prio => 0,
3224	data => WF_AUTOCANCEL,
3225	cb => \&BDB::poll_cb,
3226	);
3227	BDB::min_parallel 8;	4066	BDB::min_parallel 16;
3228		4067	BDB::max_poll_reqs $TICK * 0.1;
3229	BDB::set_sync_prepare {	4068	$AnyEvent::BDB::WATCHER->priority (1);
3230	my $status;
3231	my $current = $Coro::current;
3232	(
3233	sub {
3234	$status = $!;
3235	$current->ready; undef $current;
3236	},
3237	sub {
3238	Coro::schedule while defined $current;
3239	$! = $status;
3240	},
3241	)
3242	};
3243		4069
3244	unless ($DB_ENV) {	4070	unless ($DB_ENV) {
3245	$DB_ENV = BDB::db_env_create;	4071	$DB_ENV = BDB::db_env_create;
		4072	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4073	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4074	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4075	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4076	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3246		4077
3247	cf::sync_job {	4078	cf::sync_job {
3248	eval {	4079	eval {
3249	BDB::db_env_open	4080	BDB::db_env_open
3250	$DB_ENV,	4081	$DB_ENV,
…		…
3252	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4083	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3253	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4084	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3254	0666;	4085	0666;
3255		4086
3256	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4087	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3257
3258	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3259	$DB_ENV->set_lk_detect;
3260	};	4088	};
3261		4089
3262	cf::cleanup "db_env_open(db): $@" if $@;	4090	cf::cleanup "db_env_open(db): $@" if $@;
3263	};	4091	};
3264	}	4092	}
		4093
		4094	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4095	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4096	};
		4097	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4098	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4099	};
		4100	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4101	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4102	};
3265	}	4103	}
3266		4104
3267	{	4105	{
		4106	# configure IO::AIO
		4107
3268	IO::AIO::min_parallel 8;	4108	IO::AIO::min_parallel 8;
3269
3270	undef $Coro::AIO::WATCHER;
3271	IO::AIO::max_poll_time $TICK * 0.1;	4109	IO::AIO::max_poll_time $TICK * 0.1;
3272	$AIO_POLL_WATCHER = Event->io (	4110	undef $AnyEvent::AIO::WATCHER;
3273	reentrant => 0,
3274	data => WF_AUTOCANCEL,
3275	fd => IO::AIO::poll_fileno,
3276	poll => 'r',
3277	prio => 6,
3278	cb => \&IO::AIO::poll_cb,
3279	);
3280	}	4111	}
3281		4112
3282	my $_log_backtrace;	4113	my $_log_backtrace;
3283		4114
3284	sub _log_backtrace {	4115	sub _log_backtrace {
…		…
3287	$msg =~ s/\n//;	4118	$msg =~ s/\n//;
3288		4119
3289	# limit the # of concurrent backtraces	4120	# limit the # of concurrent backtraces
3290	if ($_log_backtrace < 2) {	4121	if ($_log_backtrace < 2) {
3291	++$_log_backtrace;	4122	++$_log_backtrace;
		4123	my $perl_bt = Carp::longmess $msg;
3292	async {	4124	async {
		4125	$Coro::current->{desc} = "abt $msg";
		4126
3293	my @bt = fork_call {	4127	my @bt = fork_call {
3294	@addr = map { sprintf "%x", $_ } @addr;	4128	@addr = map { sprintf "%x", $_ } @addr;
3295	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4129	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3296	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4130	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3297	or die "addr2line: $!";	4131	or die "addr2line: $!";
…		…
3305	}	4139	}
3306		4140
3307	@funcs	4141	@funcs
3308	};	4142	};
3309		4143
3310	LOG llevInfo, "[ABT] $msg\n";	4144	LOG llevInfo, "[ABT] $perl_bt\n";
		4145	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3311	LOG llevInfo, "[ABT] $_\n" for @bt;	4146	LOG llevInfo, "[ABT] $_\n" for @bt;
3312	--$_log_backtrace;	4147	--$_log_backtrace;
3313	};	4148	};
3314	} else {	4149	} else {
3315	LOG llevInfo, "[ABT] $msg\n";	4150	LOG llevInfo, "[ABT] $msg\n";
3316	LOG llevInfo, "[ABT] [suppressed]\n";	4151	LOG llevInfo, "[ABT] [suppressed]\n";
3317	}	4152	}
3318	}	4153	}
3319		4154
3320	# load additional modules	4155	# load additional modules
3321	use cf::pod;	4156	require "cf/$_.pm" for @EXTRA_MODULES;
		4157	cf::_connect_to_perl_2;
3322		4158
3323	END { cf::emergency_save }	4159	END { cf::emergency_save }
3324		4160
3325	1	4161	1
3326		4162

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