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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.301 by root, Tue Jul 10 07:01:51 2007 UTC vs.
Revision 1.538 by root, Tue May 4 21:45:43 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;
		63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
34		66
35	# configure various modules to our taste	67	# configure various modules to our taste
36	#	68	#
37	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
38	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";
39	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
40		77
41	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
42		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
44	$YAML::Syck::ImplicitUnicode = 1;
45
46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
47		80
48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
49		82
50	our %COMMAND = ();	83	our %COMMAND = ();
51	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
…		…
54	our %EXTCMD = ();	87	our %EXTCMD = ();
55	our %EXTICMD = ();	88	our %EXTICMD = ();
56	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
57	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
58		91
59	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
60	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
61		96
62	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
63	our $DATADIR = datadir;	98	our $DATADIR = datadir;
64	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
65	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
66	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
67	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
68	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
71	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
72	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;
73		118
74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
75	our $TICK_WATCHER;
76	our $AIO_POLL_WATCHER;
77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
78	our $NEXT_TICK;	121	our $NEXT_TICK;
79	our $NOW;
80	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
81		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
82	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
83	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript);
84		130
85	our %CFG;	131	our %CFG;
86		132
87	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
88	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
89		136
90	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
91	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
92	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
93		140
94	# 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 ∕
95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
96		143
97	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)
98	our $LOADAVG; # same thing, but with alpha-smoothing	145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
99	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 $REALLY_UNLOOP; # never set to true, please :)
100		153
101	binmode STDOUT;	154	binmode STDOUT;
102	binmode STDERR;	155	binmode STDERR;
103		156
104	# read virtual server time, if available	157	# read virtual server time, if available
105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
106	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
107	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
108	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
109	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
110		165
111	mkdir $_	166	mkdir $_
112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
113		168
114	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
115		170
116	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::"} };
117		187
118	#############################################################################	188	#############################################################################
119		189
120	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
121		191
…		…
157		227
158	The raw value load value from the last tick.	228	The raw value load value from the last tick.
159		229
160	=item %cf::CFG	230	=item %cf::CFG
161		231
162	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
163	from wherever your confdir points to.	233	from wherever your confdir points to.
164		234
165	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
166		236
167	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
168	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
169	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.
170		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
171	=back	253	=back
172		254
173	=cut	255	=cut
174		256
175	BEGIN {	257	sub error(@) { LOG llevError, join "", @_ }
176	*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 {
177	my $msg = join "", @_;	264	my $msg = join "", @_;
178		265
179	$msg .= "\n"	266	$msg .= "\n"
180	unless $msg =~ /\n$/;	267	unless $msg =~ /\n$/;
181		268
182	$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;
183		270
184	utf8::encode $msg;
185	LOG llevError, $msg;	271	LOG llevWarn, $msg;
186	};	272	};
187	}	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	};
188		287
189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	288	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	289	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	290	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	291	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
199	for my $pkg (qw(	298	for my $pkg (qw(
200	cf::global cf::attachable	299	cf::global cf::attachable
201	cf::object cf::object::player	300	cf::object cf::object::player
202	cf::client cf::player	301	cf::client cf::player
203	cf::arch cf::living	302	cf::arch cf::living
		303	cf::map cf::mapspace
204	cf::map cf::party cf::region	304	cf::party cf::region
205	)) {	305	)) {
206	no strict 'refs';
207	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	306	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
208	}	307	}
209		308
210	$Event::DIED = sub {	309	$EV::DIED = sub {
211	warn "error in event callback: @_";	310	Carp::cluck "error in event callback: @_";
212	};	311	};
213		312
214	#############################################################################	313	#############################################################################
215		314
216	=head2 UTILITY FUNCTIONS	315	=head2 UTILITY FUNCTIONS
…		…
238	$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;
239	$d	338	$d
240	} || "[unable to dump $_[0]: '$@']";	339	} || "[unable to dump $_[0]: '$@']";
241	}	340	}
242		341
243	=item $ref = cf::from_json $json	342	=item $ref = cf::decode_json $json
244		343
245	Converts a JSON string into the corresponding perl data structure.	344	Converts a JSON string into the corresponding perl data structure.
246		345
247	=item $json = cf::to_json $ref	346	=item $json = cf::encode_json $ref
248		347
249	Converts a perl data structure into its JSON representation.	348	Converts a perl data structure into its JSON representation.
250		349
251	=cut	350	=cut
252		351
253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	352	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
254		353
255	sub to_json ($) { $json_coder->encode ($_[0]) }	354	sub encode_json($) { $json_coder->encode ($_[0]) }
256	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	}
257		370
258	=item cf::lock_wait $string	371	=item cf::lock_wait $string
259		372
260	Wait until the given lock is available. See cf::lock_acquire.	373	Wait until the given lock is available. See cf::lock_acquire.
261		374
262	=item my $lock = cf::lock_acquire $string	375	=item my $lock = cf::lock_acquire $string
263		376
264	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
265	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,
266	for example when the coroutine gets canceled), the lock is automatically	379	for example when the coroutine gets canceled), the lock is automatically
267	returned.	380	returned.
268		381
		382	Locks are *not* recursive, locking from the same coro twice results in a
		383	deadlocked coro.
		384
269	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
270	uses map_find and cf::map::load uses map_load).	386	uses map_find and cf::map::load uses map_load).
271		387
272	=item $locked = cf::lock_active $string	388	=item $locked = cf::lock_active $string
273		389
274	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.
275		391
276	=cut	392	=cut
277		393
278	our %LOCK;	394	our $LOCKS = new Coro::SemaphoreSet;
279		395
280	sub lock_wait($) {	396	sub lock_wait($) {
281	my ($key) = @_;	397	$LOCKS->wait ($_[0]);
282
283	# wait for lock, if any
284	while ($LOCK{$key}) {
285	push @{ $LOCK{$key} }, $Coro::current;
286	Coro::schedule;
287	}
288	}	398	}
289		399
290	sub lock_acquire($) {	400	sub lock_acquire($) {
291	my ($key) = @_;	401	$LOCKS->guard ($_[0])
292
293	# wait, to be sure we are not locked
294	lock_wait $key;
295
296	$LOCK{$key} = [];
297
298	Coro::guard {
299	# wake up all waiters, to be on the safe side
300	$_->ready for @{ delete $LOCK{$key} };
301	}
302	}	402	}
303		403
304	sub lock_active($) {	404	sub lock_active($) {
305	my ($key) = @_;	405	$LOCKS->count ($_[0]) < 1
306
307	! ! $LOCK{$key}
308	}	406	}
309		407
310	sub freeze_mainloop {	408	sub freeze_mainloop {
311	return unless $TICK_WATCHER->is_active;	409	tick_inhibit_inc;
312		410
313	my $guard = Coro::guard {	411	&Guard::guard (\&tick_inhibit_dec);
314	$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($$) {
		422	my ($interval, $cb) = @_;
		423
		424	my $start = rand List::Util::min 180, $interval;
		425
		426	EV::periodic $start, $interval, 0, $cb
		427	}
		428
		429	=item cf::get_slot $time[, $priority[, $name]]
		430
		431	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		432	This call blocks and returns only when you have at least C<$time> seconds
		433	of cpu time till the next tick. The slot is only valid till the next cede.
		434
		435	The optional C<$name> can be used to identify the job to run. It might be
		436	used for statistical purposes and should identify the same time-class.
		437
		438	Useful for short background jobs.
		439
		440	=cut
		441
		442	our @SLOT_QUEUE;
		443	our $SLOT_QUEUE;
		444	our $SLOT_DECAY = 0.9;
		445
		446	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		447	$SLOT_QUEUE = Coro::async {
		448	$Coro::current->desc ("timeslot manager");
		449
		450	my $signal = new Coro::Signal;
		451	my $busy;
		452
		453	while () {
		454	next_job:
		455
		456	my $avail = cf::till_tick;
		457
		458	for (0 .. $#SLOT_QUEUE) {
		459	if ($SLOT_QUEUE[$_][0] <= $avail) {
		460	$busy = 0;
		461	my $job = splice @SLOT_QUEUE, $_, 1, ();
		462	$job->[2]->send;
		463	Coro::cede;
		464	goto next_job;
		465	} else {
		466	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		467	}
		468	}
		469
		470	if (@SLOT_QUEUE) {
		471	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		472	push @cf::WAIT_FOR_TICK, $signal;
		473	$signal->wait;
		474	} else {
		475	$busy = 0;
		476	Coro::schedule;
		477	}
315	};	478	}
316	$TICK_WATCHER->stop;	479	};
317	$guard	480
		481	sub get_slot($;$$) {
		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	$sig->wait;
318	}	494	}
319		495
320	=item cf::async { BLOCK }	496	=item cf::async { BLOCK }
321		497
322	Currently the same as Coro::async_pool, meaning you cannot use	498	Currently the same as Coro::async_pool, meaning you cannot use
…		…
327		503
328	BEGIN { *async = \&Coro::async_pool }	504	BEGIN { *async = \&Coro::async_pool }
329		505
330	=item cf::sync_job { BLOCK }	506	=item cf::sync_job { BLOCK }
331		507
332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	508	The design of Deliantra requires that the main coroutine ($Coro::main)
333	is always able to handle events or runnable, as Crossfire TRT is only	509	is always able to handle events or runnable, as Deliantra is only
334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	510	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
335	acceptable.	511	acceptable.
336		512
337	If it must be done, put the blocking parts into C<sync_job>. This will run	513	If it must be done, put the blocking parts into C<sync_job>. This will run
338	the given BLOCK in another coroutine while waiting for the result. The	514	the given BLOCK in another coroutine while waiting for the result. The
…		…
342	=cut	518	=cut
343		519
344	sub sync_job(&) {	520	sub sync_job(&) {
345	my ($job) = @_;	521	my ($job) = @_;
346		522
347	if ($Coro::current == $Coro::main) {	523	if (in_main) {
348	my $time = Event::time;	524	my $time = AE::time;
349		525
350	# this is the main coro, too bad, we have to block	526	# this is the main coro, too bad, we have to block
351	# till the operation succeeds, freezing the server :/	527	# till the operation succeeds, freezing the server :/
352		528
353	# TODO: use suspend/resume instead	529	#LOG llevError, Carp::longmess "sync job";#d#
354	# (but this is cancel-safe)	530
355	my $freeze_guard = freeze_mainloop;	531	my $freeze_guard = freeze_mainloop;
356		532
357	my $busy = 1;	533	my $busy = 1;
358	my @res;	534	my @res;
359		535
360	(async {	536	(async {
		537	$Coro::current->desc ("sync job coro");
361	@res = eval { $job->() };	538	@res = eval { $job->() };
362	warn $@ if $@;	539	error $@ if $@;
363	undef $busy;	540	undef $busy;
364	})->prio (Coro::PRIO_MAX);	541	})->prio (Coro::PRIO_MAX);
365		542
366	while ($busy) {	543	while ($busy) {
367	Coro::cede or Event::one_event;	544	if (Coro::nready) {
		545	Coro::cede_notself;
		546	} else {
		547	EV::loop EV::LOOP_ONESHOT;
368	}	548	}
		549	}
369		550
370	$time = Event::time - $time;	551	my $time = AE::time - $time;
371		552
372	LOG llevError | logBacktrace, Carp::longmess "long sync job"
373	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
374
375	$tick_start += $time; # do not account sync jobs to server load	553	$TICK_START += $time; # do not account sync jobs to server load
376		554
377	wantarray ? @res : $res[0]	555	wantarray ? @res : $res[0]
378	} else {	556	} else {
379	# we are in another coroutine, how wonderful, everything just works	557	# we are in another coroutine, how wonderful, everything just works
380		558
…		…
405	=item fork_call { }, $args	583	=item fork_call { }, $args
406		584
407	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
408	process, returning the results. Everything must be serialisable with	586	process, returning the results. Everything must be serialisable with
409	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
410	never block itself or use any form of Event handling.	588	never block itself or use any form of event handling.
411		589
412	=cut	590	=cut
413
414	sub _store_scalar {
415	open my $fh, ">", \my $buf
416	or die "fork_call: cannot open fh-to-buf in child : $!";
417	Storable::store_fd $_[0], $fh;
418	close $fh;
419
420	$buf
421	}
422		591
423	sub fork_call(&@) {	592	sub fork_call(&@) {
424	my ($cb, @args) = @_;	593	my ($cb, @args) = @_;
425		594
426	# 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,
427	# or die "socketpair: $!";	596	# otherwise perl prematurely frees the stuff :/
428	pipe my $fh1, my $fh2	597	# TODO: investigate and fix (likely this will be rather laborious)
429	or die "pipe: $!";
430		598
431	if (my $pid = fork) {	599	my @res = Coro::Util::fork_eval {
432	close $fh2;
433
434	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
435	warn "pst<$res>" unless $res =~ /^pst/;
436	$res = Coro::Storable::thaw $res;
437
438	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
439
440	Carp::confess $$res unless "ARRAY" eq ref $res;
441
442	return wantarray ? @$res : $res->[-1];
443	} else {
444	reset_signals;	600	reset_signals;
445	local $SIG{__WARN__};	601	&$cb
446	local $SIG{__DIE__};	602	}, @args;
447	# just in case, this hack effectively disables event
448	# in the child. cleaner and slower would be canceling all watchers,
449	# but this works for the time being.
450	local $Coro::idle;
451	$Coro::current->prio (Coro::PRIO_MAX);
452		603
453	eval {	604	wantarray ? @res : $res[-1]
454	close $fh1;	605	}
455		606
456	my @res = eval { $cb->(@args) };	607	sub objinfo {
457
458	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
459	close $fh2;
460	};
461
462	warn $@ if $@;
463	_exit 0;
464	}	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
465	}	643	}
466		644
467	=item $value = cf::db_get $family => $key	645	=item $value = cf::db_get $family => $key
468		646
469	Returns a single value from the environment database.	647	Returns a single value from the environment database.
…		…
471	=item cf::db_put $family => $key => $value	649	=item cf::db_put $family => $key => $value
472		650
473	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
474	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).
475		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
476	=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	}
477		680
478	our $DB;	681	our $DB;
479		682
480	sub db_init {	683	sub db_init {
481	unless ($DB) {	684	$DB ||= db_table "db";
482	$DB = BDB::db_create $DB_ENV;
483
484	cf::sync_job {
485	eval {
486	$DB->set_flags (BDB::CHKSUM);
487
488	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
489	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
490	cf::cleanup "db_open(db): $!" if $!;
491	};
492	cf::cleanup "db_open(db): $@" if $@;
493	};
494	}
495	}	685	}
496		686
497	sub db_get($$) {	687	sub db_get($$) {
498	my $key = "$_[0]/$_[1]";	688	my $key = "$_[0]/$_[1]";
499		689
500	cf::sync_job {	690	cf::error "db_get called from main context"
		691	if $Coro::current == $Coro::main;
		692
501	BDB::db_get $DB, undef, $key, my $data;	693	BDB::db_get $DB, undef, $key, my $data;
502		694
503	$! ? ()	695	$! ? ()
504	: $data	696	: $data
505	}
506	}	697	}
507		698
508	sub db_put($$$) {	699	sub db_put($$$) {
509	BDB::dbreq_pri 4;	700	BDB::dbreq_pri 4;
510	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	701	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
549	if (1) {	740	if (1) {
550	$md5 =	741	$md5 =
551	join "\x00",	742	join "\x00",
552	$processversion,	743	$processversion,
553	map {	744	map {
554	Coro::cede;	745	cf::cede_to_tick;
555	($src->[$_], Digest::MD5::md5_hex $data[$_])	746	($src->[$_], Digest::MD5::md5_hex $data[$_])
556	} 0.. $#$src;	747	} 0.. $#$src;
557		748
558		749
559	my $dbmd5 = db_get cache => "$id/md5";	750	my $dbmd5 = db_get cache => "$id/md5";
…		…
566		757
567	my $t1 = Time::HiRes::time;	758	my $t1 = Time::HiRes::time;
568	my $data = $process->(\@data);	759	my $data = $process->(\@data);
569	my $t2 = Time::HiRes::time;	760	my $t2 = Time::HiRes::time;
570		761
571	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	762	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
572		763
573	db_put cache => "$id/data", $data;	764	db_put cache => "$id/data", $data;
574	db_put cache => "$id/md5" , $md5;	765	db_put cache => "$id/md5" , $md5;
575	db_put cache => "$id/meta", $meta;	766	db_put cache => "$id/meta", $meta;
576		767
…		…
586		777
587	=cut	778	=cut
588		779
589	sub datalog($@) {	780	sub datalog($@) {
590	my ($type, %kv) = @_;	781	my ($type, %kv) = @_;
591	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	782	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
592	}	783	}
593		784
594	=back	785	=back
595		786
596	=cut	787	=cut
597		788
598	#############################################################################	789	#############################################################################
599		790
600	=head2 ATTACHABLE OBJECTS	791	=head2 ATTACHABLE OBJECTS
601		792
602	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
603	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")
604	to it. All such attachable objects support the following methods.	795	to it. All such attachable objects support the following methods.
605		796
606	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>
607	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
608	Crossfire TRT).	799	Deliantra).
609		800
610	=over 4	801	=over 4
611		802
612	=item $attachable->attach ($attachment, key => $value...)	803	=item $attachable->attach ($attachment, key => $value...)
613		804
…		…
657	=item cf::CLASS::attachment $name, ...	848	=item cf::CLASS::attachment $name, ...
658		849
659	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
660	given CLASS can refer to this attachment.	851	given CLASS can refer to this attachment.
661		852
662	Some classes such as crossfire maps and objects can specify attachments	853	Some classes such as deliantra maps and objects can specify attachments
663	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.
664		855
665	These calls expect any number of the following handler/hook descriptions:	856	These calls expect any number of the following handler/hook descriptions:
666		857
667	=over 4	858	=over 4
…		…
791		982
792	} elsif (exists $cb_id{$type}) {	983	} elsif (exists $cb_id{$type}) {
793	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	984	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
794		985
795	} elsif (ref $type) {	986	} elsif (ref $type) {
796	warn "attaching objects not supported, ignoring.\n";	987	error "attaching objects not supported, ignoring.\n";
797		988
798	} else {	989	} else {
799	shift @arg;	990	shift @arg;
800	warn "attach argument '$type' not supported, ignoring.\n";	991	error "attach argument '$type' not supported, ignoring.\n";
801	}	992	}
802	}	993	}
803	}	994	}
804		995
805	sub _object_attach {	996	sub _object_attach {
…		…
815	_attach $registry, $klass, @attach;	1006	_attach $registry, $klass, @attach;
816	}	1007	}
817		1008
818	$obj->{$name} = \%arg;	1009	$obj->{$name} = \%arg;
819	} else {	1010	} else {
820	warn "object uses attachment '$name' which is not available, postponing.\n";	1011	info "object uses attachment '$name' which is not available, postponing.\n";
821	}	1012	}
822		1013
823	$obj->{_attachment}{$name} = undef;	1014	$obj->{_attachment}{$name} = undef;
824	}	1015	}
825		1016
…		…
865	";	1056	";
866	die if $@;	1057	die if $@;
867	}	1058	}
868		1059
869	our $override;	1060	our $override;
870	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?
871		1062
872	sub override {	1063	sub override {
873	$override = 1;	1064	$override = 1;
874	@invoke_results = ();	1065	@INVOKE_RESULTS = (@_);
875	}	1066	}
876		1067
877	sub do_invoke {	1068	sub do_invoke {
878	my $event = shift;	1069	my $event = shift;
879	my $callbacks = shift;	1070	my $callbacks = shift;
880		1071
881	@invoke_results = ();	1072	@INVOKE_RESULTS = ();
882		1073
883	local $override;	1074	local $override;
884		1075
885	for (@$callbacks) {	1076	for (@$callbacks) {
886	eval { &{$_->[1]} };	1077	eval { &{$_->[1]} };
887		1078
888	if ($@) {	1079	if ($@) {
889	warn "$@";
890	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1080	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
891	override;	1081	override;
892	}	1082	}
893		1083
894	return 1 if $override;	1084	return 1 if $override;
895	}	1085	}
896		1086
897	0	1087	0
898	}	1088	}
899		1089
900	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
901		1091
902	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1092	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
903		1093
904	Generate an object-specific event with the given arguments.	1094	Generate an object-specific event with the given arguments.
905		1095
906	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
907	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
908	results (if you must, access C<@cf::invoke_results> directly).	1098	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
909		1099
910	=back	1100	=back
911		1101
912	=cut	1102	=cut
913		1103
914	#############################################################################	1104	#############################################################################
915	# 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	}
916		1148
917	sub reattach {	1149	sub reattach {
918	# basically do the same as instantiate, without calling instantiate	1150	# basically do the same as instantiate, without calling instantiate
919	my ($obj) = @_;	1151	my ($obj) = @_;
920		1152
		1153	# no longer needed after getting rid of delete_package?
921	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
922		1155
923	my $registry = $obj->registry;	1156	my $registry = $obj->registry;
924		1157
925	@$registry = ();	1158	@$registry = ();
926		1159
…		…
931	for (@$attach) {	1164	for (@$attach) {
932	my ($klass, @attach) = @$_;	1165	my ($klass, @attach) = @$_;
933	_attach $registry, $klass, @attach;	1166	_attach $registry, $klass, @attach;
934	}	1167	}
935	} else {	1168	} else {
936	warn "object uses attachment '$name' that is not available, postponing.\n";	1169	info "object uses attachment '$name' that is not available, postponing.\n";
937	}	1170	}
938	}	1171	}
939	}	1172	}
940		1173
941	cf::attachable->attach (	1174	cf::attachable->attach (
942	prio => -1000000,	1175	prio => -1000000,
943	on_instantiate => sub {	1176	on_instantiate => sub {
944	my ($obj, $data) = @_;	1177	my ($obj, $data) = @_;
945		1178
946	$data = from_json $data;	1179	$data = decode_json $data;
947		1180
948	for (@$data) {	1181	for (@$data) {
949	my ($name, $args) = @$_;	1182	my ($name, $args) = @$_;
950		1183
951	$obj->attach ($name, %{$args || {} });	1184	$obj->attach ($name, %{$args || {} });
…		…
967	sub object_freezer_save {	1200	sub object_freezer_save {
968	my ($filename, $rdata, $objs) = @_;	1201	my ($filename, $rdata, $objs) = @_;
969		1202
970	sync_job {	1203	sync_job {
971	if (length $$rdata) {	1204	if (length $$rdata) {
		1205	utf8::decode (my $decname = $filename);
972	warn sprintf "saving %s (%d,%d)\n",	1206	trace sprintf "saving %s (%d,%d)\n",
973	$filename, length $$rdata, scalar @$objs;	1207	$decname, length $$rdata, scalar @$objs
		1208	if $VERBOSE_IO;
974		1209
975	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1210	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
976	chmod SAVE_MODE, $fh;	1211	aio_chmod $fh, SAVE_MODE;
977	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1212	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
978	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	}
979	close $fh;	1217	aio_close $fh;
980		1218
981	if (@$objs) {	1219	if (@$objs) {
982	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) {
983	chmod SAVE_MODE, $fh;	1221	aio_chmod $fh, SAVE_MODE;
984	my $data = Storable::nfreeze { version => 1, objs => $objs };	1222	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
985	aio_write $fh, 0, (length $data), $data, 0;	1223	aio_write $fh, 0, (length $data), $data, 0;
986	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	}
987	close $fh;	1228	aio_close $fh;
988	aio_rename "$filename.pst~", "$filename.pst";	1229	aio_rename "$filename.pst~", "$filename.pst";
989	}	1230	}
990	} else {	1231	} else {
991	aio_unlink "$filename.pst";	1232	aio_unlink "$filename.pst";
992	}	1233	}
993		1234
994	aio_rename "$filename~", $filename;	1235	aio_rename "$filename~", $filename;
		1236
		1237	$filename =~ s%/[^/]+$%%;
		1238	aio_pathsync $filename if $cf::USE_FSYNC;
995	} else {	1239	} else {
996	warn "FATAL: $filename~: $!\n";	1240	error "unable to save objects: $filename~: $!\n";
997	}	1241	}
998	} else {	1242	} else {
999	aio_unlink $filename;	1243	aio_unlink $filename;
1000	aio_unlink "$filename.pst";	1244	aio_unlink "$filename.pst";
1001	}	1245	}
1002	}	1246	};
1003	}	1247	}
1004		1248
1005	sub object_freezer_as_string {	1249	sub object_freezer_as_string {
1006	my ($rdata, $objs) = @_;	1250	my ($rdata, $objs) = @_;
1007		1251
…		…
1019	or return;	1263	or return;
1020		1264
1021	unless (aio_stat "$filename.pst") {	1265	unless (aio_stat "$filename.pst") {
1022	(aio_load "$filename.pst", $av) >= 0	1266	(aio_load "$filename.pst", $av) >= 0
1023	or return;	1267	or return;
		1268
1024	$av = eval { (Storable::thaw $av)->{objs} };	1269	my $st = eval { Coro::Storable::thaw $av };
		1270	$av = $st->{objs};
1025	}	1271	}
1026		1272
		1273	utf8::decode (my $decname = $filename);
1027	warn sprintf "loading %s (%d)\n",	1274	trace sprintf "loading %s (%d,%d)\n",
1028	$filename, length $data, scalar @{$av || []};	1275	$decname, length $data, scalar @{$av || []}
		1276	if $VERBOSE_IO;
		1277
1029	return ($data, $av);	1278	($data, $av)
1030	}	1279	}
1031		1280
1032	=head2 COMMAND CALLBACKS	1281	=head2 COMMAND CALLBACKS
1033		1282
1034	=over 4	1283	=over 4
…		…
1088	my ($name, $cb) = @_;	1337	my ($name, $cb) = @_;
1089		1338
1090	$EXTICMD{$name} = $cb;	1339	$EXTICMD{$name} = $cb;
1091	}	1340	}
1092		1341
		1342	use File::Glob ();
		1343
1093	cf::player->attach (	1344	cf::player->attach (
1094	on_command => sub {	1345	on_unknown_command => sub {
1095	my ($pl, $name, $params) = @_;	1346	my ($pl, $name, $params) = @_;
1096		1347
1097	my $cb = $COMMAND{$name}	1348	my $cb = $COMMAND{$name}
1098	or return;	1349	or return;
1099		1350
…		…
1107	my ($pl, $buf) = @_;	1358	my ($pl, $buf) = @_;
1108		1359
1109	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1360	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1110		1361
1111	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
1112	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1370	if (my $cb = $EXTCMD{$type}) {
1113	if (my %reply = $cb->($pl, $msg)) {	1371	@reply = $cb->($pl, @payload);
1114	$pl->ext_reply ($msg->{msgid}, %reply);
1115	}
1116	}	1372	}
		1373
		1374	$pl->ext_reply ($reply, @reply)
		1375	if $reply;
		1376
1117	} else {	1377	} else {
1118	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1378	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1119	}	1379	}
1120		1380
1121	cf::override;	1381	cf::override;
1122	},	1382	},
1123	);	1383	);
1124		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
1125	sub load_extensions {	1398	sub load_extensions {
		1399	info "loading extensions...";
		1400
1126	cf::sync_job {	1401	cf::sync_job {
1127	my %todo;	1402	my %todo;
1128		1403
1129	for my $path (<$LIBDIR/*.ext>) {	1404	for my $path (<$LIBDIR/*.ext>) {
1130	next unless -r $path;	1405	next unless -r $path;
…		…
1148		1423
1149	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1424	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1150	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1425	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1151		1426
1152	$ext{source} =	1427	$ext{source} =
1153	"package $pkg; use strict; use utf8;\n"	1428	"package $pkg; use common::sense;\n"
1154	. "#line 1 \"$path\"\n{\n"	1429	. "#line 1 \"$path\"\n{\n"
1155	. $source	1430	. $source
1156	. "\n};\n1";	1431	. "\n};\n1";
1157		1432
1158	$todo{$base} = \%ext;	1433	$todo{$base} = \%ext;
1159	}	1434	}
1160		1435
		1436	my $pass = 0;
1161	my %done;	1437	my %done;
1162	while (%todo) {	1438	while (%todo) {
1163	my $progress;	1439	my $progress;
1164		1440
		1441	++$pass;
		1442
		1443	ext:
1165	while (my ($k, $v) = each %todo) {	1444	while (my ($k, $v) = each %todo) {
1166	for (split /,\s*/, $v->{meta}{depends}) {	1445	for (split /,\s*/, $v->{meta}{depends}) {
1167	goto skip	1446	next ext
1168	unless exists $done{$_};	1447	unless exists $done{$_};
1169	}	1448	}
1170		1449
1171	warn "... loading '$k' into '$v->{pkg}'\n";	1450	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1172		1451
1173	unless (eval $v->{source}) {	1452	my $active = eval $v->{source};
		1453
		1454	if (length $@) {
1174	my $msg = $@ ? "$v->{path}: $@\n"	1455	error "$v->{path}: $@\n";
1175	: "$v->{base}: extension inactive.\n";	1456	undef $@; # work around perl 5.10.0 utf-8 caching bug
1176		1457
		1458	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1177	if (exists $v->{meta}{mandatory}) {	1459	if exists $v->{meta}{mandatory};
1178	warn $msg;	1460
1179	warn "mandatory extension failed to load, exiting.\n";	1461	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1180	exit 1;	1462	delete $todo{$k};
1181	}	1463	} else {
1182		1464	$done{$k} = delete $todo{$k};
1183	warn $msg;	1465	push @EXTS, $v->{pkg};
		1466	$progress = 1;
		1467
		1468	info "$v->{base}: extension inactive.\n"
		1469	unless $active;
1184	}	1470	}
1185
1186	$done{$k} = delete $todo{$k};
1187	push @EXTS, $v->{pkg};
1188	$progress = 1;
1189	}	1471	}
1190		1472
1191	skip:	1473	unless ($progress) {
1192	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1474	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1193	unless $progress;	1475
		1476	while (my ($k, $v) = each %todo) {
		1477	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1478	if exists $v->{meta}{mandatory};
		1479	}
		1480	}
1194	}	1481	}
1195	};	1482	};
1196	}	1483	}
1197		1484
1198	#############################################################################	1485	#############################################################################
1199		1486
1200	=back	1487	=back
1201		1488
1202	=head2 CORE EXTENSIONS	1489	=head2 CORE EXTENSIONS
1203		1490
1204	Functions and methods that extend core crossfire objects.	1491	Functions and methods that extend core deliantra objects.
1205		1492
1206	=cut	1493	=cut
1207		1494
1208	package cf::player;	1495	package cf::player;
1209		1496
1210	use Coro::AIO;	1497	use Coro::AIO;
1211		1498
1212	=head3 cf::player	1499	=head3 cf::player
1213		1500
1214	=over 4	1501	=over 4
		1502
		1503	=item cf::player::num_playing
		1504
		1505	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1506
		1507	=cut
		1508
		1509	sub num_playing {
		1510	scalar grep
		1511	$_->ob->map
		1512	&& !$_->hidden
		1513	&& !$_->ob->flag (cf::FLAG_WIZ),
		1514	cf::player::list
		1515	}
1215		1516
1216	=item cf::player::find $login	1517	=item cf::player::find $login
1217		1518
1218	Returns the given player object, loading it if necessary (might block).	1519	Returns the given player object, loading it if necessary (might block).
1219		1520
…		…
1238		1539
1239	sub exists($) {	1540	sub exists($) {
1240	my ($login) = @_;	1541	my ($login) = @_;
1241		1542
1242	$cf::PLAYER{$login}	1543	$cf::PLAYER{$login}
1243	or cf::sync_job { !aio_stat path $login }	1544	or !aio_stat path $login
1244	}	1545	}
1245		1546
1246	sub find($) {	1547	sub find($) {
1247	return $cf::PLAYER{$_[0]} || do {	1548	return $cf::PLAYER{$_[0]} || do {
1248	my $login = $_[0];	1549	my $login = $_[0];
…		…
1255	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1556	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1256	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1557	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1257	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1558	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1258	aio_unlink +(playerdir $login) . "/$login.pl";	1559	aio_unlink +(playerdir $login) . "/$login.pl";
1259		1560
1260	my $pl = load_pl path $login	1561	my $f = new_from_file cf::object::thawer path $login
1261	or return;	1562	or return;
		1563
		1564	my $pl = cf::player::load_pl $f
		1565	or return;
		1566
		1567	local $cf::PLAYER_LOADING{$login} = $pl;
		1568	$f->resolve_delayed_derefs;
1262	$cf::PLAYER{$login} = $pl	1569	$cf::PLAYER{$login} = $pl
1263	}	1570	}
1264	}	1571	}
1265	}	1572	}
		1573
		1574	cf::player->attach (
		1575	on_load => sub {
		1576	my ($pl, $path) = @_;
		1577
		1578	# restore slots saved in save, below
		1579	my $slots = delete $pl->{_slots};
		1580
		1581	$pl->ob->current_weapon ($slots->[0]);
		1582	$pl->combat_ob ($slots->[1]);
		1583	$pl->ranged_ob ($slots->[2]);
		1584	},
		1585	);
1266		1586
1267	sub save($) {	1587	sub save($) {
1268	my ($pl) = @_;	1588	my ($pl) = @_;
1269		1589
1270	return if $pl->{deny_save};	1590	return if $pl->{deny_save};
…		…
1275	return if $pl->{deny_save};	1595	return if $pl->{deny_save};
1276		1596
1277	aio_mkdir playerdir $pl, 0770;	1597	aio_mkdir playerdir $pl, 0770;
1278	$pl->{last_save} = $cf::RUNTIME;	1598	$pl->{last_save} = $cf::RUNTIME;
1279		1599
		1600	cf::get_slot 0.01;
		1601
		1602	# save slots, to be restored later
		1603	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1604
1280	$pl->save_pl ($path);	1605	$pl->save_pl ($path);
1281	Coro::cede;	1606	cf::cede_to_tick;
1282	}	1607	}
1283		1608
1284	sub new($) {	1609	sub new($) {
1285	my ($login) = @_;	1610	my ($login) = @_;
1286		1611
…		…
1292	$cf::PLAYER{$login} = $self;	1617	$cf::PLAYER{$login} = $self;
1293		1618
1294	$self	1619	$self
1295	}	1620	}
1296		1621
		1622	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1623
		1624	=cut
		1625
		1626	sub send_msg {
		1627	my $ns = shift->ns
		1628	or return;
		1629	$ns->send_msg (@_);
		1630	}
		1631
1297	=item $pl->quit_character	1632	=item $pl->quit_character
1298		1633
1299	Nukes the player without looking back. If logged in, the connection will	1634	Nukes the player without looking back. If logged in, the connection will
1300	be destroyed. May block for a long time.	1635	be destroyed. May block for a long time.
1301		1636
…		…
1305	my ($pl) = @_;	1640	my ($pl) = @_;
1306		1641
1307	my $name = $pl->ob->name;	1642	my $name = $pl->ob->name;
1308		1643
1309	$pl->{deny_save} = 1;	1644	$pl->{deny_save} = 1;
1310	$pl->password ("*"); # this should lock out the player until we nuked the dir	1645	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1311		1646
1312	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1647	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1313	$pl->deactivate;	1648	$pl->deactivate;
		1649	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1314	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1650	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1315	$pl->ns->destroy if $pl->ns;	1651	$pl->ns->destroy if $pl->ns;
1316		1652
1317	my $path = playerdir $pl;	1653	my $path = playerdir $pl;
1318	my $temp = "$path~$cf::RUNTIME~deleting~";	1654	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1354	or return [];	1690	or return [];
1355		1691
1356	my @logins;	1692	my @logins;
1357		1693
1358	for my $login (@$dirs) {	1694	for my $login (@$dirs) {
		1695	my $path = path $login;
		1696
		1697	# a .pst is a dead give-away for a valid player
		1698	# if no pst file found, open and chekc for blocked users
		1699	if (aio_stat "$path.pst") {
1359	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1700	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1360	aio_read $fh, 0, 512, my $buf, 0 or next;	1701	aio_read $fh, 0, 512, my $buf, 0 or next;
1361	$buf !~ /^password -------------$/m or next; # official not-valid tag	1702	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1703	}
1362		1704
1363	utf8::decode $login;	1705	utf8::decode $login;
1364	push @logins, $login;	1706	push @logins, $login;
1365	}	1707	}
1366		1708
1367	\@logins	1709	\@logins
1368	}	1710	}
1369		1711
1370	=item $player->maps	1712	=item $player->maps
		1713
		1714	=item cf::player::maps $login
1371		1715
1372	Returns an arrayref of map paths that are private for this	1716	Returns an arrayref of map paths that are private for this
1373	player. May block.	1717	player. May block.
1374		1718
1375	=cut	1719	=cut
…		…
1393	}	1737	}
1394		1738
1395	\@paths	1739	\@paths
1396	}	1740	}
1397		1741
1398	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1742	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1399		1743
1400	Expand crossfire pod fragments into protocol xml.	1744	Expand deliantra pod fragments into protocol xml.
1401		1745
1402	=cut
1403
1404	sub expand_cfpod {
1405	((my $self), (local $_)) = @_;
1406
1407	# escape & and <
1408	s/&/&amp;/g;
1409	s/(?<![BIUGH])</&lt;/g;
1410
1411	# this is buggy, it needs to properly take care of nested <'s
1412
1413	1 while
1414	# replace B<>, I<>, U<> etc.
1415	s/B<([^\>]*)>/<b>$1<\/b>/
1416	|| s/I<([^\>]*)>/<i>$1<\/i>/
1417	|| s/U<([^\>]*)>/<u>$1<\/u>/
1418	# replace G<male|female> tags
1419	|| s{G<([^>|]*)\|([^>]*)>}{
1420	$self->gender ? $2 : $1
1421	}ge
1422	# replace H<hint text>
1423	|| s{H<([^\>]*)>}
1424	{
1425	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1426	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1427	"")
1428	[$self->{hintmode}]
1429	}ge;
1430
1431	# create single paragraphs (very hackish)
1432	s/(?<=\S)\n(?=\w)/ /g;
1433
1434	# compress some whitespace
1435	s/\s+\n/\n/g; # ws line-ends
1436	s/\n\n+/\n/g; # double lines
1437	s/^\n+//; # beginning lines
1438	s/\n+$//; # ending lines
1439
1440	$_
1441	}
1442
1443	sub hintmode {
1444	$_[0]{hintmode} = $_[1] if @_ > 1;
1445	$_[0]{hintmode}
1446	}
1447
1448	=item $player->ext_reply ($msgid, %msg)	1746	=item $player->ext_reply ($msgid, @msg)
1449		1747
1450	Sends an ext reply to the player.	1748	Sends an ext reply to the player.
1451		1749
1452	=cut	1750	=cut
1453		1751
1454	sub ext_reply($$%) {	1752	sub ext_reply($$@) {
1455	my ($self, $id, %msg) = @_;	1753	my ($self, $id, @msg) = @_;
1456		1754
1457	$msg{msgid} = $id;	1755	$self->ns->ext_reply ($id, @msg)
1458	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1459	}	1756	}
1460		1757
1461	=item $player->ext_event ($type, %msg)	1758	=item $player->ext_msg ($type, @msg)
1462		1759
1463	Sends an ext event to the client.	1760	Sends an ext event to the client.
1464		1761
1465	=cut	1762	=cut
1466		1763
1467	sub ext_event($$%) {	1764	sub ext_msg($$@) {
1468	my ($self, $type, %msg) = @_;	1765	my ($self, $type, @msg) = @_;
1469		1766
1470	$self->ns->ext_event ($type, %msg);	1767	$self->ns->ext_msg ($type, @msg);
1471	}	1768	}
1472		1769
1473	=head3 cf::region	1770	=head3 cf::region
1474		1771
1475	=over 4	1772	=over 4
…		…
1485	=cut	1782	=cut
1486		1783
1487	sub find_by_path($) {	1784	sub find_by_path($) {
1488	my ($path) = @_;	1785	my ($path) = @_;
1489		1786
		1787	$path =~ s/^~[^\/]*//; # skip ~login
		1788
1490	my ($match, $specificity);	1789	my ($match, $specificity);
1491		1790
1492	for my $region (list) {	1791	for my $region (list) {
1493	if ($region->match && $path =~ $region->match) {	1792	if ($region->{match} && $path =~ $region->{match}) {
1494	($match, $specificity) = ($region, $region->specificity)	1793	($match, $specificity) = ($region, $region->specificity)
1495	if $region->specificity > $specificity;	1794	if $region->specificity > $specificity;
1496	}	1795	}
1497	}	1796	}
1498		1797
…		…
1519	our $MAX_RESET = 3600;	1818	our $MAX_RESET = 3600;
1520	our $DEFAULT_RESET = 3000;	1819	our $DEFAULT_RESET = 3000;
1521		1820
1522	sub generate_random_map {	1821	sub generate_random_map {
1523	my ($self, $rmp) = @_;	1822	my ($self, $rmp) = @_;
		1823
		1824	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1825
1524	# mit "rum" bekleckern, nicht	1826	# mit "rum" bekleckern, nicht
1525	$self->_create_random_map (	1827	$self->_create_random_map (
1526	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1828	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1527	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1829	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1528	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1830	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1529	$rmp->{exit_on_final_map},	1831	$rmp->{exit_on_final_map},
1530	$rmp->{xsize}, $rmp->{ysize},	1832	$rmp->{xsize}, $rmp->{ysize},
1531	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1833	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1532	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1834	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1554		1856
1555	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1857	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1556	}	1858	}
1557		1859
1558	# also paths starting with '/'	1860	# also paths starting with '/'
1559	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1861	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1560		1862
1561	sub thawer_merge {	1863	sub thawer_merge {
1562	my ($self, $merge) = @_;	1864	my ($self, $merge) = @_;
1563		1865
1564	# we have to keep some variables in memory intact	1866	# we have to keep some variables in memory intact
…		…
1618	$self->init; # pass $1 etc.	1920	$self->init; # pass $1 etc.
1619	return $self;	1921	return $self;
1620	}	1922	}
1621	}	1923	}
1622		1924
1623	Carp::carp "unable to resolve path '$path' (base '$base').";	1925	Carp::cluck "unable to resolve path '$path' (base '$base').";
1624	()	1926	()
1625	}	1927	}
1626		1928
1627	sub init {	1929	sub init {
1628	my ($self) = @_;	1930	my ($self) = @_;
…		…
1650		1952
1651	# the temporary/swap location	1953	# the temporary/swap location
1652	sub save_path {	1954	sub save_path {
1653	my ($self) = @_;	1955	my ($self) = @_;
1654		1956
1655	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1957	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1656	"$TMPDIR/$path.map"	1958	"$TMPDIR/$path.map"
1657	}	1959	}
1658		1960
1659	# the unique path, undef == no special unique path	1961	# the unique path, undef == no special unique path
1660	sub uniq_path {	1962	sub uniq_path {
1661	my ($self) = @_;	1963	my ($self) = @_;
1662		1964
1663	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1965	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1664	"$UNIQUEDIR/$path"	1966	"$UNIQUEDIR/$path"
1665	}
1666
1667	# and all this just because we cannot iterate over
1668	# all maps in C++...
1669	sub change_all_map_light {
1670	my ($change) = @_;
1671
1672	$_->change_map_light ($change)
1673	for grep $_->outdoor, values %cf::MAP;
1674	}	1967	}
1675		1968
1676	sub decay_objects {	1969	sub decay_objects {
1677	my ($self) = @_;	1970	my ($self) = @_;
1678		1971
…		…
1691		1984
1692	sub load_header_from($) {	1985	sub load_header_from($) {
1693	my ($self, $path) = @_;	1986	my ($self, $path) = @_;
1694		1987
1695	utf8::encode $path;	1988	utf8::encode $path;
1696	#aio_open $path, O_RDONLY, 0	1989	my $f = new_from_file cf::object::thawer $path
1697	# or return;
1698
1699	$self->_load_header ($path)
1700	or return;	1990	or return;
		1991
		1992	$self->_load_header ($f)
		1993	or return;
		1994
		1995	local $MAP_LOADING{$self->{path}} = $self;
		1996	$f->resolve_delayed_derefs;
1701		1997
1702	$self->{load_path} = $path;	1998	$self->{load_path} = $path;
1703		1999
1704	1	2000	1
1705	}	2001	}
…		…
1759	sub find {	2055	sub find {
1760	my ($path, $origin) = @_;	2056	my ($path, $origin) = @_;
1761		2057
1762	$path = normalise $path, $origin && $origin->path;	2058	$path = normalise $path, $origin && $origin->path;
1763		2059
		2060	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1764	cf::lock_wait "map_find:$path";	2061	my $guard2 = cf::lock_acquire "map_find:$path";
1765		2062
1766	$cf::MAP{$path} || do {	2063	$cf::MAP{$path} || do {
1767	my $guard = cf::lock_acquire "map_find:$path";
1768	my $map = new_from_path cf::map $path	2064	my $map = new_from_path cf::map $path
1769	or return;	2065	or return;
1770		2066
1771	$map->{last_save} = $cf::RUNTIME;	2067	$map->{last_save} = $cf::RUNTIME;
1772		2068
…		…
1774	or return;	2070	or return;
1775		2071
1776	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2072	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1777	# doing this can freeze the server in a sync job, obviously	2073	# doing this can freeze the server in a sync job, obviously
1778	#$cf::WAIT_FOR_TICK->wait;	2074	#$cf::WAIT_FOR_TICK->wait;
		2075	undef $guard2;
		2076	undef $guard1;
1779	$map->reset;	2077	$map->reset;
1780	undef $guard;
1781	return find $path;	2078	return find $path;
1782	}	2079	}
1783		2080
1784	$cf::MAP{$path} = $map	2081	$cf::MAP{$path} = $map
1785	}	2082	}
1786	}	2083	}
1787		2084
1788	sub pre_load { }	2085	sub pre_load { }
1789	sub post_load { }	2086	#sub post_load { } # XS
1790		2087
1791	sub load {	2088	sub load {
1792	my ($self) = @_;	2089	my ($self) = @_;
1793		2090
1794	local $self->{deny_reset} = 1; # loading can take a long time	2091	local $self->{deny_reset} = 1; # loading can take a long time
1795		2092
1796	my $path = $self->{path};	2093	my $path = $self->{path};
1797		2094
1798	{	2095	{
1799	my $guard = cf::lock_acquire "map_load:$path";	2096	my $guard = cf::lock_acquire "map_data:$path";
1800		2097
		2098	return unless $self->valid;
1801	return if $self->in_memory != cf::MAP_SWAPPED;	2099	return unless $self->in_memory == cf::MAP_SWAPPED;
1802		2100
1803	$self->in_memory (cf::MAP_LOADING);	2101	$self->in_memory (cf::MAP_LOADING);
1804		2102
1805	$self->alloc;	2103	$self->alloc;
1806		2104
1807	$self->pre_load;	2105	$self->pre_load;
1808	Coro::cede;	2106	cf::cede_to_tick;
1809		2107
		2108	my $f = new_from_file cf::object::thawer $self->{load_path};
		2109	$f->skip_block;
1810	$self->_load_objects ($self->{load_path}, 1)	2110	$self->_load_objects ($f)
1811	or return;	2111	or return;
1812		2112
1813	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2113	$self->post_load_original
1814	if delete $self->{load_original};	2114	if delete $self->{load_original};
1815		2115
1816	if (my $uniq = $self->uniq_path) {	2116	if (my $uniq = $self->uniq_path) {
1817	utf8::encode $uniq;	2117	utf8::encode $uniq;
1818	if (aio_open $uniq, O_RDONLY, 0) {	2118	unless (aio_stat $uniq) {
		2119	if (my $f = new_from_file cf::object::thawer $uniq) {
1819	$self->clear_unique_items;	2120	$self->clear_unique_items;
1820	$self->_load_objects ($uniq, 0);	2121	$self->_load_objects ($f);
		2122	$f->resolve_delayed_derefs;
		2123	}
1821	}	2124	}
1822	}	2125	}
1823		2126
1824	Coro::cede;	2127	$f->resolve_delayed_derefs;
		2128
		2129	cf::cede_to_tick;
1825	# now do the right thing for maps	2130	# now do the right thing for maps
1826	$self->link_multipart_objects;	2131	$self->link_multipart_objects;
1827	$self->difficulty ($self->estimate_difficulty)	2132	$self->difficulty ($self->estimate_difficulty)
1828	unless $self->difficulty;	2133	unless $self->difficulty;
1829	Coro::cede;	2134	cf::cede_to_tick;
1830		2135
1831	unless ($self->{deny_activate}) {	2136	unless ($self->{deny_activate}) {
1832	$self->decay_objects;	2137	$self->decay_objects;
1833	$self->fix_auto_apply;	2138	$self->fix_auto_apply;
1834	$self->update_buttons;	2139	$self->update_buttons;
1835	Coro::cede;	2140	cf::cede_to_tick;
1836	$self->set_darkness_map;
1837	Coro::cede;
1838	$self->activate;	2141	$self->activate;
1839	}	2142	}
1840		2143
		2144	$self->{last_save} = $cf::RUNTIME;
		2145	$self->last_access ($cf::RUNTIME);
		2146
1841	$self->in_memory (cf::MAP_IN_MEMORY);	2147	$self->in_memory (cf::MAP_ACTIVE);
1842	}	2148	}
1843		2149
1844	$self->post_load;	2150	$self->post_load;
1845	}	2151	}
1846		2152
		2153	# customize the map for a given player, i.e.
		2154	# return the _real_ map. used by e.g. per-player
		2155	# maps to change the path to ~playername/mappath
1847	sub customise_for {	2156	sub customise_for {
1848	my ($self, $ob) = @_;	2157	my ($self, $ob) = @_;
1849		2158
1850	return find "~" . $ob->name . "/" . $self->{path}	2159	return find "~" . $ob->name . "/" . $self->{path}
1851	if $self->per_player;	2160	if $self->per_player;
…		…
1855		2164
1856	$self	2165	$self
1857	}	2166	}
1858		2167
1859	# find and load all maps in the 3x3 area around a map	2168	# find and load all maps in the 3x3 area around a map
1860	sub load_diag {	2169	sub load_neighbours {
1861	my ($map) = @_;	2170	my ($map) = @_;
1862		2171
1863	my @diag; # diagonal neighbours	2172	my @neigh; # diagonal neighbours
1864		2173
1865	for (0 .. 3) {	2174	for (0 .. 3) {
1866	my $neigh = $map->tile_path ($_)	2175	my $neigh = $map->tile_path ($_)
1867	or next;	2176	or next;
1868	$neigh = find $neigh, $map	2177	$neigh = find $neigh, $map
1869	or next;	2178	or next;
1870	$neigh->load;	2179	$neigh->load;
1871		2180
		2181	# now find the diagonal neighbours
		2182	push @neigh,
1872	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2183	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1873	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2184	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1874	}	2185	}
1875		2186
1876	for (@diag) {	2187	for (grep defined $_->[0], @neigh) {
		2188	my ($path, $origin) = @$_;
1877	my $neigh = find @$_	2189	my $neigh = find $path, $origin
1878	or next;	2190	or next;
1879	$neigh->load;	2191	$neigh->load;
1880	}	2192	}
1881	}	2193	}
1882		2194
1883	sub find_sync {	2195	sub find_sync {
1884	my ($path, $origin) = @_;	2196	my ($path, $origin) = @_;
1885		2197
1886	cf::sync_job { find $path, $origin }	2198	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2199	if $Coro::current == $Coro::main;
		2200
		2201	find $path, $origin
1887	}	2202	}
1888		2203
1889	sub do_load_sync {	2204	sub do_load_sync {
1890	my ($map) = @_;	2205	my ($map) = @_;
1891		2206
1892	cf::sync_job { $map->load };	2207	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2208	if $Coro::current == $Coro::main;
		2209
		2210	$map->load;
1893	}	2211	}
1894		2212
1895	our %MAP_PREFETCH;	2213	our %MAP_PREFETCH;
1896	our $MAP_PREFETCHER = undef;	2214	our $MAP_PREFETCHER = undef;
1897		2215
1898	sub find_async {	2216	sub find_async {
1899	my ($path, $origin) = @_;	2217	my ($path, $origin, $load) = @_;
1900		2218
1901	$path = normalise $path, $origin && $origin->{path};	2219	$path = normalise $path, $origin && $origin->{path};
1902		2220
1903	if (my $map = $cf::MAP{$path}) {	2221	if (my $map = $cf::MAP{$path}) {
1904	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2222	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1905	}	2223	}
1906		2224
1907	undef $MAP_PREFETCH{$path};	2225	$MAP_PREFETCH{$path} |= $load;
		2226
1908	$MAP_PREFETCHER ||= cf::async {	2227	$MAP_PREFETCHER ||= cf::async {
		2228	$Coro::current->{desc} = "map prefetcher";
		2229
1909	while (%MAP_PREFETCH) {	2230	while (%MAP_PREFETCH) {
1910	for my $path (keys %MAP_PREFETCH) {	2231	while (my ($k, $v) = each %MAP_PREFETCH) {
1911	my $map = find $path	2232	if (my $map = find $k) {
1912	or next;
1913	$map->load;	2233	$map->load if $v;
		2234	}
1914		2235
1915	delete $MAP_PREFETCH{$path};	2236	delete $MAP_PREFETCH{$k};
1916	}	2237	}
1917	}	2238	}
1918	undef $MAP_PREFETCHER;	2239	undef $MAP_PREFETCHER;
1919	};	2240	};
1920	$MAP_PREFETCHER->prio (6);	2241	$MAP_PREFETCHER->prio (6);
1921		2242
1922	()	2243	()
1923	}	2244	}
1924		2245
		2246	# common code, used by both ->save and ->swapout
1925	sub save {	2247	sub _save {
1926	my ($self) = @_;	2248	my ($self) = @_;
1927
1928	my $lock = cf::lock_acquire "map_data:" . $self->path;
1929		2249
1930	$self->{last_save} = $cf::RUNTIME;	2250	$self->{last_save} = $cf::RUNTIME;
1931		2251
1932	return unless $self->dirty;	2252	return unless $self->dirty;
1933		2253
…		…
1939	return if $self->{deny_save};	2259	return if $self->{deny_save};
1940		2260
1941	local $self->{last_access} = $self->last_access;#d#	2261	local $self->{last_access} = $self->last_access;#d#
1942		2262
1943	cf::async {	2263	cf::async {
		2264	$Coro::current->{desc} = "map player save";
1944	$_->contr->save for $self->players;	2265	$_->contr->save for $self->players;
1945	};	2266	};
		2267
		2268	cf::get_slot 0.02;
1946		2269
1947	if ($uniq) {	2270	if ($uniq) {
1948	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2271	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1949	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2272	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1950	} else {	2273	} else {
1951	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2274	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1952	}	2275	}
1953	}	2276	}
1954		2277
		2278	sub save {
		2279	my ($self) = @_;
		2280
		2281	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2282
		2283	$self->_save;
		2284	}
		2285
1955	sub swap_out {	2286	sub swap_out {
1956	my ($self) = @_;	2287	my ($self) = @_;
1957		2288
1958	# save first because save cedes
1959	$self->save;
1960
1961	my $lock = cf::lock_acquire "map_data:" . $self->path;	2289	my $lock = cf::lock_acquire "map_data:$self->{path}";
1962		2290
		2291	return if $self->in_memory != cf::MAP_ACTIVE;
		2292	return if $self->{deny_save};
1963	return if $self->players;	2293	return if $self->players;
1964	return if $self->in_memory != cf::MAP_IN_MEMORY;
1965	return if $self->{deny_save};
1966		2294
		2295	# first deactivate the map and "unlink" it from the core
		2296	$self->deactivate;
		2297	$_->clear_links_to ($self) for values %cf::MAP;
		2298	$self->in_memory (cf::MAP_SWAPPED);
		2299
		2300	# then atomically save
		2301	$self->_save;
		2302
		2303	# then free the map
1967	$self->clear;	2304	$self->clear;
1968	$self->in_memory (cf::MAP_SWAPPED);
1969	}	2305	}
1970		2306
1971	sub reset_at {	2307	sub reset_at {
1972	my ($self) = @_;	2308	my ($self) = @_;
1973		2309
…		…
1991		2327
1992	my $lock = cf::lock_acquire "map_data:$self->{path}";	2328	my $lock = cf::lock_acquire "map_data:$self->{path}";
1993		2329
1994	return if $self->players;	2330	return if $self->players;
1995		2331
1996	warn "resetting map ", $self->path;	2332	cf::trace "resetting map ", $self->path, "\n";
1997		2333
1998	$self->in_memory (cf::MAP_SWAPPED);	2334	$self->in_memory (cf::MAP_SWAPPED);
1999		2335
2000	# need to save uniques path	2336	# need to save uniques path
2001	unless ($self->{deny_save}) {	2337	unless ($self->{deny_save}) {
…		…
2005	if $uniq;	2341	if $uniq;
2006	}	2342	}
2007		2343
2008	delete $cf::MAP{$self->path};	2344	delete $cf::MAP{$self->path};
2009		2345
		2346	$self->deactivate;
		2347	$_->clear_links_to ($self) for values %cf::MAP;
2010	$self->clear;	2348	$self->clear;
2011
2012	$_->clear_links_to ($self) for values %cf::MAP;
2013		2349
2014	$self->unlink_save;	2350	$self->unlink_save;
2015	$self->destroy;	2351	$self->destroy;
2016	}	2352	}
2017		2353
2018	my $nuke_counter = "aaaa";	2354	my $nuke_counter = "aaaa";
2019		2355
2020	sub nuke {	2356	sub nuke {
2021	my ($self) = @_;	2357	my ($self) = @_;
2022		2358
		2359	{
		2360	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2361
2023	delete $cf::MAP{$self->path};	2362	delete $cf::MAP{$self->path};
2024		2363
2025	$self->unlink_save;	2364	$self->unlink_save;
2026		2365
2027	bless $self, "cf::map";	2366	bless $self, "cf::map::wrap";
2028	delete $self->{deny_reset};	2367	delete $self->{deny_reset};
2029	$self->{deny_save} = 1;	2368	$self->{deny_save} = 1;
2030	$self->reset_timeout (1);	2369	$self->reset_timeout (1);
2031	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2370	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2032		2371
2033	$cf::MAP{$self->path} = $self;	2372	$cf::MAP{$self->path} = $self;
		2373	}
2034		2374
2035	$self->reset; # polite request, might not happen	2375	$self->reset; # polite request, might not happen
2036	}	2376	}
2037		2377
2038	=item $maps = cf::map::tmp_maps	2378	=item $maps = cf::map::tmp_maps
…		…
2080		2420
2081	sub unique_maps() {	2421	sub unique_maps() {
2082	[	2422	[
2083	map {	2423	map {
2084	utf8::decode $_;	2424	utf8::decode $_;
2085	/\.map$/	2425	s/\.map$//; # TODO future compatibility hack
		2426	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2427	? ()
2086	? normalise $_	2428	: normalise $_
2087	: ()
2088	} @{ aio_readdir $UNIQUEDIR or [] }	2429	} @{ aio_readdir $UNIQUEDIR or [] }
2089	]	2430	]
2090	}	2431	}
2091		2432
2092	package cf;	2433	=item cf::map::static_maps
		2434
		2435	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2436	file in the shared directory excluding F</styles> and F</editor>). May
		2437	block.
		2438
		2439	=cut
		2440
		2441	sub static_maps() {
		2442	my @dirs = "";
		2443	my @maps;
		2444
		2445	while (@dirs) {
		2446	my $dir = shift @dirs;
		2447
		2448	next if $dir eq "/styles" || $dir eq "/editor";
		2449
		2450	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2451	or return;
		2452
		2453	for (@$files) {
		2454	s/\.map$// or next;
		2455	utf8::decode $_;
		2456	push @maps, "$dir/$_";
		2457	}
		2458
		2459	push @dirs, map "$dir/$_", @$dirs;
		2460	}
		2461
		2462	\@maps
		2463	}
2093		2464
2094	=back	2465	=back
2095		2466
2096	=head3 cf::object	2467	=head3 cf::object
2097		2468
…		…
2101		2472
2102	=over 4	2473	=over 4
2103		2474
2104	=item $ob->inv_recursive	2475	=item $ob->inv_recursive
2105		2476
2106	Returns the inventory of the object _and_ their inventories, recursively.	2477	Returns the inventory of the object I<and> their inventories, recursively,
		2478	but I<not> the object itself.
2107		2479
2108	=cut	2480	=cut
2109		2481
2110	sub inv_recursive_;	2482	sub inv_recursive_;
2111	sub inv_recursive_ {	2483	sub inv_recursive_ {
…		…
2114		2486
2115	sub inv_recursive {	2487	sub inv_recursive {
2116	inv_recursive_ inv $_[0]	2488	inv_recursive_ inv $_[0]
2117	}	2489	}
2118		2490
		2491	=item $ref = $ob->ref
		2492
		2493	Creates and returns a persistent reference to an object that can be stored as a string.
		2494
		2495	=item $ob = cf::object::deref ($refstring)
		2496
		2497	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2498	even if the object actually exists. May block.
		2499
		2500	=cut
		2501
		2502	sub deref {
		2503	my ($ref) = @_;
		2504
		2505	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2506	my ($uuid, $name) = ($1, $2);
		2507	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2508	or return;
		2509	$pl->ob->uuid eq $uuid
		2510	or return;
		2511
		2512	$pl->ob
		2513	} else {
		2514	warn "$ref: cannot resolve object reference\n";
		2515	undef
		2516	}
		2517	}
		2518
2119	package cf;	2519	package cf;
2120		2520
2121	=back	2521	=back
2122		2522
2123	=head3 cf::object::player	2523	=head3 cf::object::player
…		…
2129	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2529	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2130	can be C<undef>. Does the right thing when the player is currently in a	2530	can be C<undef>. Does the right thing when the player is currently in a
2131	dialogue with the given NPC character.	2531	dialogue with the given NPC character.
2132		2532
2133	=cut	2533	=cut
		2534
		2535	our $SAY_CHANNEL = {
		2536	id => "say",
		2537	title => "Map",
		2538	reply => "say ",
		2539	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2540	};
		2541
		2542	our $CHAT_CHANNEL = {
		2543	id => "chat",
		2544	title => "Chat",
		2545	reply => "chat ",
		2546	tooltip => "Player chat and shouts, global to the server.",
		2547	};
2134		2548
2135	# rough implementation of a future "reply" method that works	2549	# rough implementation of a future "reply" method that works
2136	# with dialog boxes.	2550	# with dialog boxes.
2137	#TODO: the first argument must go, split into a $npc->reply_to ( method	2551	#TODO: the first argument must go, split into a $npc->reply_to ( method
2138	sub cf::object::player::reply($$$;$) {	2552	sub cf::object::player::reply($$$;$) {
…		…
2145		2559
2146	} else {	2560	} else {
2147	my $pl = $self->contr;	2561	my $pl = $self->contr;
2148		2562
2149	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2563	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2150	my $diag = $pl->{npc_dialog};	2564	my $dialog = $pl->{npc_dialog};
2151	$diag->{pl}->ext_reply (	2565	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2152	$diag->{id},
2153	msgtype => "reply",
2154	msg => $diag->{pl}->expand_cfpod ($msg),
2155	add_topics => []
2156	);
2157		2566
2158	} else {	2567	} else {
2159	$msg = $npc->name . " says: $msg" if $npc;	2568	$msg = $npc->name . " says: $msg" if $npc;
2160	$self->message ($msg, $flags);	2569	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2161	}	2570	}
2162	}	2571	}
		2572	}
		2573
		2574	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2575
		2576	=cut
		2577
		2578	sub cf::object::send_msg {
		2579	my $pl = shift->contr
		2580	or return;
		2581	$pl->send_msg (@_);
2163	}	2582	}
2164		2583
2165	=item $player_object->may ("access")	2584	=item $player_object->may ("access")
2166		2585
2167	Returns wether the given player is authorized to access resource "access"	2586	Returns wether the given player is authorized to access resource "access"
…		…
2180		2599
2181	=item $player_object->enter_link	2600	=item $player_object->enter_link
2182		2601
2183	Freezes the player and moves him/her to a special map (C<{link}>).	2602	Freezes the player and moves him/her to a special map (C<{link}>).
2184		2603
2185	The player should be reasonably safe there for short amounts of time. You	2604	The player should be reasonably safe there for short amounts of time (e.g.
2186	I<MUST> call C<leave_link> as soon as possible, though.	2605	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2606	though, as the player cannot control the character while it is on the link
		2607	map.
2187		2608
2188	Will never block.	2609	Will never block.
2189		2610
2190	=item $player_object->leave_link ($map, $x, $y)	2611	=item $player_object->leave_link ($map, $x, $y)
2191		2612
…		…
2211	sub cf::object::player::enter_link {	2632	sub cf::object::player::enter_link {
2212	my ($self) = @_;	2633	my ($self) = @_;
2213		2634
2214	$self->deactivate_recursive;	2635	$self->deactivate_recursive;
2215		2636
		2637	++$self->{_link_recursion};
		2638
2216	return if UNIVERSAL::isa $self->map, "ext::map_link";	2639	return if UNIVERSAL::isa $self->map, "ext::map_link";
2217		2640
2218	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2641	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2219	if $self->map && $self->map->{path} ne "{link}";	2642	if $self->map && $self->map->{path} ne "{link}";
2220		2643
2221	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2644	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2222	}	2645	}
2223		2646
2224	sub cf::object::player::leave_link {	2647	sub cf::object::player::leave_link {
2225	my ($self, $map, $x, $y) = @_;	2648	my ($self, $map, $x, $y) = @_;
2226		2649
…		…
2243	($x, $y) = (-1, -1)	2666	($x, $y) = (-1, -1)
2244	unless (defined $x) && (defined $y);	2667	unless (defined $x) && (defined $y);
2245		2668
2246	# use -1 or undef as default coordinates, not 0, 0	2669	# use -1 or undef as default coordinates, not 0, 0
2247	($x, $y) = ($map->enter_x, $map->enter_y)	2670	($x, $y) = ($map->enter_x, $map->enter_y)
2248	if $x <=0 && $y <= 0;	2671	if $x <= 0 && $y <= 0;
2249		2672
2250	$map->load;	2673	$map->load;
2251	$map->load_diag;	2674	$map->load_neighbours;
2252		2675
2253	return unless $self->contr->active;	2676	return unless $self->contr->active;
2254	$self->activate_recursive;
2255		2677
2256	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2678	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2257	$self->enter_map ($map, $x, $y);	2679	if ($self->enter_map ($map, $x, $y)) {
2258	}	2680	# entering was successful
		2681	delete $self->{_link_recursion};
		2682	# only activate afterwards, to support waiting in hooks
		2683	$self->activate_recursive;
		2684	}
2259		2685
		2686	}
		2687
2260	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2688	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2261		2689
2262	Moves the player to the given map-path and coordinates by first freezing	2690	Moves the player to the given map-path and coordinates by first freezing
2263	her, loading and preparing them map, calling the provided $check callback	2691	her, loading and preparing them map, calling the provided $check callback
2264	that has to return the map if sucecssful, and then unfreezes the player on	2692	that has to return the map if sucecssful, and then unfreezes the player on
2265	the new (success) or old (failed) map position.	2693	the new (success) or old (failed) map position. In either case, $done will
		2694	be called at the end of this process.
		2695
		2696	Note that $check will be called with a potentially non-loaded map, so if
		2697	it needs a loaded map it has to call C<< ->load >>.
2266		2698
2267	=cut	2699	=cut
2268		2700
2269	our $GOTOGEN;	2701	our $GOTOGEN;
2270		2702
2271	sub cf::object::player::goto {	2703	sub cf::object::player::goto {
2272	my ($self, $path, $x, $y, $check) = @_;	2704	my ($self, $path, $x, $y, $check, $done) = @_;
		2705
		2706	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2707	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2708	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2709	($path, $x, $y) = @$EMERGENCY_POSITION;
		2710	}
2273		2711
2274	# do generation counting so two concurrent goto's will be executed in-order	2712	# do generation counting so two concurrent goto's will be executed in-order
2275	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2713	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2276		2714
2277	$self->enter_link;	2715	$self->enter_link;
2278		2716
2279	(async {	2717	(async {
		2718	$Coro::current->{desc} = "player::goto $path $x $y";
		2719
		2720	# *tag paths override both path and x|y
		2721	if ($path =~ /^\*(.*)$/) {
		2722	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2723	my $ob = $obs[rand @obs];
		2724
		2725	# see if we actually can go there
		2726	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2727	$ob = $obs[rand @obs];
		2728	} else {
		2729	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2730	}
		2731	# else put us there anyways for now #d#
		2732
		2733	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2734	} else {
		2735	($path, $x, $y) = (undef, undef, undef);
		2736	}
		2737	}
		2738
2280	my $map = eval {	2739	my $map = eval {
2281	my $map = cf::map::find $path;	2740	my $map = defined $path ? cf::map::find $path : undef;
2282		2741
2283	if ($map) {	2742	if ($map) {
2284	$map = $map->customise_for ($self);	2743	$map = $map->customise_for ($self);
2285	$map = $check->($map) if $check && $map;	2744	$map = $check->($map, $x, $y, $self) if $check && $map;
2286	} else {	2745	} else {
2287	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2746	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2288	}	2747	}
2289		2748
2290	$map	2749	$map
2291	};	2750	};
2292		2751
…		…
2297		2756
2298	if ($gen == $self->{_goto_generation}) {	2757	if ($gen == $self->{_goto_generation}) {
2299	delete $self->{_goto_generation};	2758	delete $self->{_goto_generation};
2300	$self->leave_link ($map, $x, $y);	2759	$self->leave_link ($map, $x, $y);
2301	}	2760	}
		2761
		2762	$done->($self) if $done;
2302	})->prio (1);	2763	})->prio (1);
2303	}	2764	}
2304		2765
2305	=item $player_object->enter_exit ($exit_object)	2766	=item $player_object->enter_exit ($exit_object)
2306		2767
…		…
2326	}	2787	}
2327		2788
2328	sub prepare_random_map {	2789	sub prepare_random_map {
2329	my ($exit) = @_;	2790	my ($exit) = @_;
2330		2791
2331	my $guard = cf::lock_acquire "exit_prepare:$exit";
2332
2333	# all this does is basically replace the /! path by	2792	# all this does is basically replace the /! path by
2334	# a new random map path (?random/...) with a seed	2793	# a new random map path (?random/...) with a seed
2335	# that depends on the exit object	2794	# that depends on the exit object
2336		2795
2337	my $rmp = parse_random_map_params $exit->msg;	2796	my $rmp = parse_random_map_params $exit->msg;
…		…
2339	if ($exit->map) {	2798	if ($exit->map) {
2340	$rmp->{region} = $exit->region->name;	2799	$rmp->{region} = $exit->region->name;
2341	$rmp->{origin_map} = $exit->map->path;	2800	$rmp->{origin_map} = $exit->map->path;
2342	$rmp->{origin_x} = $exit->x;	2801	$rmp->{origin_x} = $exit->x;
2343	$rmp->{origin_y} = $exit->y;	2802	$rmp->{origin_y} = $exit->y;
		2803
		2804	$exit->map->touch;
2344	}	2805	}
2345		2806
2346	$rmp->{random_seed} ||= $exit->random_seed;	2807	$rmp->{random_seed} ||= $exit->random_seed;
2347		2808
2348	my $data = cf::to_json $rmp;	2809	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2349	my $md5 = Digest::MD5::md5_hex $data;	2810	my $md5 = Digest::MD5::md5_hex $data;
2350	my $meta = "$RANDOMDIR/$md5.meta";	2811	my $meta = "$RANDOMDIR/$md5.meta";
2351		2812
2352	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2813	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2353	aio_write $fh, 0, (length $data), $data, 0;	2814	aio_write $fh, 0, (length $data), $data, 0;
2354	undef $fh;	2815	undef $fh;
2355	aio_rename "$meta~", $meta;	2816	aio_rename "$meta~", $meta;
2356		2817
		2818	my $slaying = "?random/$md5";
		2819
		2820	if ($exit->valid) {
2357	$exit->slaying ("?random/$md5");	2821	$exit->slaying ("?random/$md5");
2358	$exit->msg (undef);	2822	$exit->msg (undef);
		2823	}
2359	}	2824	}
2360	}	2825	}
2361		2826
2362	sub cf::object::player::enter_exit {	2827	sub cf::object::player::enter_exit {
2363	my ($self, $exit) = @_;	2828	my ($self, $exit) = @_;
2364		2829
2365	return unless $self->type == cf::PLAYER;	2830	return unless $self->type == cf::PLAYER;
2366		2831
2367	if ($exit->slaying eq "/!") {
2368	#TODO: this should de-fi-ni-te-ly not be a sync-job
2369	# the problem is that $exit might not survive long enough
2370	# so it needs to be done right now, right here
2371	cf::sync_job { prepare_random_map $exit };
2372	}
2373
2374	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2375	my $hp = $exit->stats->hp;
2376	my $sp = $exit->stats->sp;
2377
2378	$self->enter_link;	2832	$self->enter_link;
2379		2833
2380	# if exit is damned, update players death & WoR home-position
2381	$self->contr->savebed ($slaying, $hp, $sp)
2382	if $exit->flag (FLAG_DAMNED);
2383
2384	(async {	2834	(async {
2385	$self->deactivate_recursive; # just to be sure	2835	$Coro::current->{desc} = "enter_exit";
		2836
2386	unless (eval {	2837	unless (eval {
		2838	$self->deactivate_recursive; # just to be sure
		2839
		2840	# random map handling
		2841	{
		2842	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2843
		2844	prepare_random_map $exit
		2845	if $exit->slaying eq "/!";
		2846	}
		2847
		2848	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2849	my $x = $exit->stats->hp;
		2850	my $y = $exit->stats->sp;
		2851
2387	$self->goto ($slaying, $hp, $sp);	2852	$self->goto ($map, $x, $y);
2388		2853
		2854	# if exit is damned, update players death & WoR home-position
		2855	$self->contr->savebed ($map, $x, $y)
		2856	if $exit->flag (cf::FLAG_DAMNED);
		2857
2389	1;	2858	1
2390	}) {	2859	}) {
2391	$self->message ("Something went wrong deep within the crossfire server. "	2860	$self->message ("Something went wrong deep within the deliantra server. "
2392	. "I'll try to bring you back to the map you were before. "	2861	. "I'll try to bring you back to the map you were before. "
2393	. "Please report this to the dungeon master!",	2862	. "Please report this to the dungeon master!",
2394	cf::NDI_UNIQUE | cf::NDI_RED);	2863	cf::NDI_UNIQUE | cf::NDI_RED);
2395		2864
2396	warn "ERROR in enter_exit: $@";	2865	error "ERROR in enter_exit: $@";
2397	$self->leave_link;	2866	$self->leave_link;
2398	}	2867	}
2399	})->prio (1);	2868	})->prio (1);
2400	}	2869	}
2401		2870
…		…
2415		2884
2416	utf8::encode $text;	2885	utf8::encode $text;
2417	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2886	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2418	}	2887	}
2419		2888
		2889	=item $client->send_big_packet ($pkt)
		2890
		2891	Like C<send_packet>, but tries to compress large packets, and fragments
		2892	them as required.
		2893
		2894	=cut
		2895
		2896	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2897
		2898	sub cf::client::send_big_packet {
		2899	my ($self, $pkt) = @_;
		2900
		2901	# try lzf for large packets
		2902	$pkt = "lzf " . Compress::LZF::compress $pkt
		2903	if 1024 <= length $pkt and $self->{can_lzf};
		2904
		2905	# split very large packets
		2906	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2907	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2908	$pkt = "frag";
		2909	}
		2910
		2911	$self->send_packet ($pkt);
		2912	}
		2913
2420	=item $client->send_msg ($color, $type, $msg, [extra...])	2914	=item $client->send_msg ($channel, $msg, $color, [extra...])
2421		2915
2422	Send a drawinfo or msg packet to the client, formatting the msg for the	2916	Send a drawinfo or msg packet to the client, formatting the msg for the
2423	client if neccessary. C<$type> should be a string identifying the type of	2917	client if neccessary. C<$type> should be a string identifying the type of
2424	the message, with C<log> being the default. If C<$color> is negative, suppress	2918	the message, with C<log> being the default. If C<$color> is negative, suppress
2425	the message unless the client supports the msg packet.	2919	the message unless the client supports the msg packet.
2426		2920
2427	=cut	2921	=cut
2428		2922
		2923	# non-persistent channels (usually the info channel)
		2924	our %CHANNEL = (
		2925	"c/motd" => {
		2926	id => "infobox",
		2927	title => "MOTD",
		2928	reply => undef,
		2929	tooltip => "The message of the day",
		2930	},
		2931	"c/identify" => {
		2932	id => "infobox",
		2933	title => "Identify",
		2934	reply => undef,
		2935	tooltip => "Items recently identified",
		2936	},
		2937	"c/examine" => {
		2938	id => "infobox",
		2939	title => "Examine",
		2940	reply => undef,
		2941	tooltip => "Signs and other items you examined",
		2942	},
		2943	"c/shopinfo" => {
		2944	id => "infobox",
		2945	title => "Shop Info",
		2946	reply => undef,
		2947	tooltip => "What your bargaining skill tells you about the shop",
		2948	},
		2949	"c/book" => {
		2950	id => "infobox",
		2951	title => "Book",
		2952	reply => undef,
		2953	tooltip => "The contents of a note or book",
		2954	},
		2955	"c/lookat" => {
		2956	id => "infobox",
		2957	title => "Look",
		2958	reply => undef,
		2959	tooltip => "What you saw there",
		2960	},
		2961	"c/who" => {
		2962	id => "infobox",
		2963	title => "Players",
		2964	reply => undef,
		2965	tooltip => "Shows players who are currently online",
		2966	},
		2967	"c/body" => {
		2968	id => "infobox",
		2969	title => "Body Parts",
		2970	reply => undef,
		2971	tooltip => "Shows which body parts you posess and are available",
		2972	},
		2973	"c/statistics" => {
		2974	id => "infobox",
		2975	title => "Statistics",
		2976	reply => undef,
		2977	tooltip => "Shows your primary statistics",
		2978	},
		2979	"c/skills" => {
		2980	id => "infobox",
		2981	title => "Skills",
		2982	reply => undef,
		2983	tooltip => "Shows your experience per skill and item power",
		2984	},
		2985	"c/shopitems" => {
		2986	id => "infobox",
		2987	title => "Shop Items",
		2988	reply => undef,
		2989	tooltip => "Shows the items currently for sale in this shop",
		2990	},
		2991	"c/resistances" => {
		2992	id => "infobox",
		2993	title => "Resistances",
		2994	reply => undef,
		2995	tooltip => "Shows your resistances",
		2996	},
		2997	"c/pets" => {
		2998	id => "infobox",
		2999	title => "Pets",
		3000	reply => undef,
		3001	tooltip => "Shows information abotu your pets/a specific pet",
		3002	},
		3003	"c/perceiveself" => {
		3004	id => "infobox",
		3005	title => "Perceive Self",
		3006	reply => undef,
		3007	tooltip => "You gained detailed knowledge about yourself",
		3008	},
		3009	"c/uptime" => {
		3010	id => "infobox",
		3011	title => "Uptime",
		3012	reply => undef,
		3013	tooltip => "How long the server has been running since last restart",
		3014	},
		3015	"c/mapinfo" => {
		3016	id => "infobox",
		3017	title => "Map Info",
		3018	reply => undef,
		3019	tooltip => "Information related to the maps",
		3020	},
		3021	"c/party" => {
		3022	id => "party",
		3023	title => "Party",
		3024	reply => "gsay ",
		3025	tooltip => "Messages and chat related to your party",
		3026	},
		3027	"c/death" => {
		3028	id => "death",
		3029	title => "Death",
		3030	reply => undef,
		3031	tooltip => "Reason for and more info about your most recent death",
		3032	},
		3033	"c/say" => $SAY_CHANNEL,
		3034	"c/chat" => $CHAT_CHANNEL,
		3035	);
		3036
2429	sub cf::client::send_msg {	3037	sub cf::client::send_msg {
2430	my ($self, $color, $type, $msg, @extra) = @_;	3038	my ($self, $channel, $msg, $color, @extra) = @_;
2431		3039
2432	$msg = $self->pl->expand_cfpod ($msg);	3040	$msg = $self->pl->expand_cfpod ($msg)
		3041	unless $color & cf::NDI_VERBATIM;
		3042
		3043	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3044
		3045	# check predefined channels, for the benefit of C
		3046	if ($CHANNEL{$channel}) {
		3047	$channel = $CHANNEL{$channel};
		3048
		3049	$self->ext_msg (channel_info => $channel);
		3050	$channel = $channel->{id};
		3051
		3052	} elsif (ref $channel) {
		3053	# send meta info to client, if not yet sent
		3054	unless (exists $self->{channel}{$channel->{id}}) {
		3055	$self->{channel}{$channel->{id}} = $channel;
		3056	$self->ext_msg (channel_info => $channel);
		3057	}
		3058
		3059	$channel = $channel->{id};
		3060	}
2433		3061
2434	return unless @extra || length $msg;	3062	return unless @extra || length $msg;
2435		3063
2436	if ($self->can_msg) {	3064	# default colour, mask it out
2437	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	3065	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2438	} else {	3066	if $color & cf::NDI_DEF;
2439	# replace some tags by gcfclient-compatible ones
2440	for ($msg) {
2441	1 while
2442	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2443	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2444	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2445	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2446	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2447	}
2448		3067
2449	if ($color >= 0) {	3068	my $pkt = "msg "
2450	if (0 && $msg =~ /\[/) {	3069	. $self->{json_coder}->encode (
2451	$self->send_packet ("drawextinfo $color 4 0 $msg")	3070	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2452	} else {	3071	);
2453	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2454	$self->send_packet ("drawinfo $color $msg")
2455	}
2456	}
2457	}
2458	}
2459		3072
		3073	$self->send_big_packet ($pkt);
		3074	}
		3075
2460	=item $client->ext_event ($type, %msg)	3076	=item $client->ext_msg ($type, @msg)
2461		3077
2462	Sends an ext event to the client.	3078	Sends an ext event to the client.
2463		3079
2464	=cut	3080	=cut
2465		3081
2466	sub cf::client::ext_event($$%) {	3082	sub cf::client::ext_msg($$@) {
2467	my ($self, $type, %msg) = @_;	3083	my ($self, $type, @msg) = @_;
2468		3084
		3085	if ($self->extcmd == 2) {
		3086	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3087	} elsif ($self->extcmd == 1) { # TODO: remove
2469	$msg{msgtype} = "event_$type";	3088	push @msg, msgtype => "event_$type";
2470	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3089	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3090	}
		3091	}
		3092
		3093	=item $client->ext_reply ($msgid, @msg)
		3094
		3095	Sends an ext reply to the client.
		3096
		3097	=cut
		3098
		3099	sub cf::client::ext_reply($$@) {
		3100	my ($self, $id, @msg) = @_;
		3101
		3102	if ($self->extcmd == 2) {
		3103	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3104	} elsif ($self->extcmd == 1) {
		3105	#TODO: version 1, remove
		3106	unshift @msg, msgtype => "reply", msgid => $id;
		3107	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3108	}
2471	}	3109	}
2472		3110
2473	=item $success = $client->query ($flags, "text", \&cb)	3111	=item $success = $client->query ($flags, "text", \&cb)
2474		3112
2475	Queues a query to the client, calling the given callback with	3113	Queues a query to the client, calling the given callback with
…		…
2530	my ($ns, $buf) = @_;	3168	my ($ns, $buf) = @_;
2531		3169
2532	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3170	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2533		3171
2534	if (ref $msg) {	3172	if (ref $msg) {
		3173	my ($type, $reply, @payload) =
		3174	"ARRAY" eq ref $msg
		3175	? @$msg
		3176	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3177
		3178	my @reply;
		3179
2535	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3180	if (my $cb = $EXTICMD{$type}) {
2536	if (my %reply = $cb->($ns, $msg)) {	3181	@reply = $cb->($ns, @payload);
2537	$reply{msgid} = $msg->{msgid};
2538	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2539	}
2540	}	3182	}
		3183
		3184	$ns->ext_reply ($reply, @reply)
		3185	if $reply;
		3186
2541	} else {	3187	} else {
2542	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3188	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2543	}	3189	}
2544		3190
2545	cf::override;	3191	cf::override;
2546	},	3192	},
2547	);	3193	);
…		…
2567		3213
2568	$coro	3214	$coro
2569	}	3215	}
2570		3216
2571	cf::client->attach (	3217	cf::client->attach (
2572	on_destroy => sub {	3218	on_client_destroy => sub {
2573	my ($ns) = @_;	3219	my ($ns) = @_;
2574		3220
2575	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3221	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2576	},	3222	},
2577	);	3223	);
…		…
2592	our $safe = new Safe "safe";	3238	our $safe = new Safe "safe";
2593	our $safe_hole = new Safe::Hole;	3239	our $safe_hole = new Safe::Hole;
2594		3240
2595	$SIG{FPE} = 'IGNORE';	3241	$SIG{FPE} = 'IGNORE';
2596		3242
2597	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3243	$safe->permit_only (Opcode::opset qw(
		3244	:base_core :base_mem :base_orig :base_math :base_loop
		3245	grepstart grepwhile mapstart mapwhile
		3246	sort time
		3247	));
2598		3248
2599	# here we export the classes and methods available to script code	3249	# here we export the classes and methods available to script code
2600		3250
2601	=pod	3251	=pod
2602		3252
2603	The following functions and methods are available within a safe environment:	3253	The following functions and methods are available within a safe environment:
2604		3254
2605	cf::object	3255	cf::object
2606	contr pay_amount pay_player map x y force_find force_add	3256	contr pay_amount pay_player map x y force_find force_add destroy
2607	insert remove	3257	insert remove name archname title slaying race decrease split
		3258	value
2608		3259
2609	cf::object::player	3260	cf::object::player
2610	player	3261	player
2611		3262
2612	cf::player	3263	cf::player
…		…
2617		3268
2618	=cut	3269	=cut
2619		3270
2620	for (	3271	for (
2621	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3272	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2622	insert remove)],	3273	insert remove inv nrof name archname title slaying race
		3274	decrease split destroy change_exp value msg lore send_msg)],
2623	["cf::object::player" => qw(player)],	3275	["cf::object::player" => qw(player)],
2624	["cf::player" => qw(peaceful)],	3276	["cf::player" => qw(peaceful send_msg)],
2625	["cf::map" => qw(trigger)],	3277	["cf::map" => qw(trigger)],
2626	) {	3278	) {
2627	no strict 'refs';	3279	no strict 'refs';
2628	my ($pkg, @funs) = @$_;	3280	my ($pkg, @funs) = @$_;
2629	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3281	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2647		3299
2648	my $qcode = $code;	3300	my $qcode = $code;
2649	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3301	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2650	$qcode =~ s/\n/\\n/g;	3302	$qcode =~ s/\n/\\n/g;
2651		3303
		3304	%vars = (_dummy => 0) unless %vars;
		3305
		3306	my @res;
2652	local $_;	3307	local $_;
2653	local @safe::cf::_safe_eval_args = values %vars;
2654		3308
2655	my $eval =	3309	my $eval =
2656	"do {\n"	3310	"do {\n"
2657	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3311	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2658	. "#line 0 \"{$qcode}\"\n"	3312	. "#line 0 \"{$qcode}\"\n"
2659	. $code	3313	. $code
2660	. "\n}"	3314	. "\n}"
2661	;	3315	;
2662		3316
		3317	if ($CFG{safe_eval}) {
2663	sub_generation_inc;	3318	sub_generation_inc;
		3319	local @safe::cf::_safe_eval_args = values %vars;
2664	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3320	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2665	sub_generation_inc;	3321	sub_generation_inc;
		3322	} else {
		3323	local @cf::_safe_eval_args = values %vars;
		3324	@res = wantarray ? eval eval : scalar eval $eval;
		3325	}
2666		3326
2667	if ($@) {	3327	if ($@) {
2668	warn "$@";	3328	warn "$@",
2669	warn "while executing safe code '$code'\n";	3329	"while executing safe code '$code'\n",
2670	warn "with arguments " . (join " ", %vars) . "\n";	3330	"with arguments " . (join " ", %vars) . "\n";
2671	}	3331	}
2672		3332
2673	wantarray ? @res : $res[0]	3333	wantarray ? @res : $res[0]
2674	}	3334	}
2675		3335
…		…
2689	=cut	3349	=cut
2690		3350
2691	sub register_script_function {	3351	sub register_script_function {
2692	my ($fun, $cb) = @_;	3352	my ($fun, $cb) = @_;
2693		3353
2694	no strict 'refs';	3354	$fun = "safe::$fun" if $CFG{safe_eval};
2695	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3355	*$fun = $safe_hole->wrap ($cb);
2696	}	3356	}
2697		3357
2698	=back	3358	=back
2699		3359
2700	=cut	3360	=cut
…		…
2703	# the server's init and main functions	3363	# the server's init and main functions
2704		3364
2705	sub load_facedata($) {	3365	sub load_facedata($) {
2706	my ($path) = @_;	3366	my ($path) = @_;
2707		3367
		3368	# HACK to clear player env face cache, we need some signal framework
		3369	# for this (global event?)
		3370	%ext::player_env::MUSIC_FACE_CACHE = ();
		3371
		3372	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3373
2708	warn "loading facedata from $path\n";	3374	trace "loading facedata from $path\n";
2709		3375
2710	my $facedata;	3376	my $facedata;
2711	0 < aio_load $path, $facedata	3377	0 < aio_load $path, $facedata
2712	or die "$path: $!";	3378	or die "$path: $!";
2713		3379
2714	$facedata = Coro::Storable::thaw $facedata;	3380	$facedata = Coro::Storable::thaw $facedata;
2715		3381
2716	$facedata->{version} == 2	3382	$facedata->{version} == 2
2717	or cf::cleanup "$path: version mismatch, cannot proceed.";	3383	or cf::cleanup "$path: version mismatch, cannot proceed.";
2718		3384
		3385	# patch in the exptable
		3386	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3387	$facedata->{resource}{"res/exp_table"} = {
		3388	type => FT_RSRC,
		3389	data => $exp_table,
		3390	hash => (Digest::MD5::md5 $exp_table),
		3391	};
		3392	cf::cede_to_tick;
		3393
2719	{	3394	{
2720	my $faces = $facedata->{faceinfo};	3395	my $faces = $facedata->{faceinfo};
2721		3396
2722	while (my ($face, $info) = each %$faces) {	3397	while (my ($face, $info) = each %$faces) {
2723	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3398	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3399
2724	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3400	cf::face::set_visibility $idx, $info->{visibility};
		3401	cf::face::set_magicmap $idx, $info->{magicmap};
2725	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3402	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2726	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3403	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2727	Coro::cede;	3404
		3405	cf::cede_to_tick;
2728	}	3406	}
2729		3407
2730	while (my ($face, $info) = each %$faces) {	3408	while (my ($face, $info) = each %$faces) {
2731	next unless $info->{smooth};	3409	next unless $info->{smooth};
		3410
2732	my $idx = cf::face::find $face	3411	my $idx = cf::face::find $face
2733	or next;	3412	or next;
		3413
2734	if (my $smooth = cf::face::find $info->{smooth}) {	3414	if (my $smooth = cf::face::find $info->{smooth}) {
		3415	cf::face::set_smooth $idx, $smooth;
2735	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3416	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2736	} else {	3417	} else {
2737	warn "smooth face '$info->{smooth}' not found for face '$face'";	3418	error "smooth face '$info->{smooth}' not found for face '$face'";
2738	}	3419	}
2739	Coro::cede;	3420
		3421	cf::cede_to_tick;
2740	}	3422	}
2741	}	3423	}
2742		3424
2743	{	3425	{
2744	my $anims = $facedata->{animinfo};	3426	my $anims = $facedata->{animinfo};
2745		3427
2746	while (my ($anim, $info) = each %$anims) {	3428	while (my ($anim, $info) = each %$anims) {
2747	cf::anim::set $anim, $info->{frames}, $info->{facings};	3429	cf::anim::set $anim, $info->{frames}, $info->{facings};
2748	Coro::cede;	3430	cf::cede_to_tick;
2749	}	3431	}
2750		3432
2751	cf::anim::invalidate_all; # d'oh	3433	cf::anim::invalidate_all; # d'oh
2752	}	3434	}
2753		3435
		3436	{
		3437	my $res = $facedata->{resource};
		3438
		3439	while (my ($name, $info) = each %$res) {
		3440	if (defined $info->{type}) {
		3441	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3442
		3443	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3444	cf::face::set_type $idx, $info->{type};
		3445	} else {
		3446	$RESOURCE{$name} = $info; # unused
		3447	}
		3448
		3449	cf::cede_to_tick;
		3450	}
		3451	}
		3452
		3453	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3454
2754	1	3455	1
2755	}	3456	}
2756		3457
		3458	register_exticmd fx_want => sub {
		3459	my ($ns, $want) = @_;
		3460
		3461	while (my ($k, $v) = each %$want) {
		3462	$ns->fx_want ($k, $v);
		3463	}
		3464	};
		3465
		3466	sub load_resource_file($) {
		3467	my $guard = lock_acquire "load_resource_file";
		3468
		3469	my $status = load_resource_file_ $_[0];
		3470	get_slot 0.1, 100;
		3471	cf::arch::commit_load;
		3472
		3473	$status
		3474	}
		3475
2757	sub reload_regions {	3476	sub reload_regions {
		3477	# HACK to clear player env face cache, we need some signal framework
		3478	# for this (global event?)
		3479	%ext::player_env::MUSIC_FACE_CACHE = ();
		3480
2758	load_resource_file "$MAPDIR/regions"	3481	load_resource_file "$MAPDIR/regions"
2759	or die "unable to load regions file\n";	3482	or die "unable to load regions file\n";
		3483
		3484	for (cf::region::list) {
		3485	$_->{match} = qr/$_->{match}/
		3486	if exists $_->{match};
		3487	}
2760	}	3488	}
2761		3489
2762	sub reload_facedata {	3490	sub reload_facedata {
2763	load_facedata "$DATADIR/facedata"	3491	load_facedata "$DATADIR/facedata"
2764	or die "unable to load facedata\n";	3492	or die "unable to load facedata\n";
2765	}	3493	}
2766		3494
2767	sub reload_archetypes {	3495	sub reload_archetypes {
2768	load_resource_file "$DATADIR/archetypes"	3496	load_resource_file "$DATADIR/archetypes"
2769	or die "unable to load archetypes\n";	3497	or die "unable to load archetypes\n";
2770	#d# NEED to laod twice to resolve forward references
2771	# this really needs to be done in an extra post-pass
2772	# (which needs to be synchronous, so solve it differently)
2773	load_resource_file "$DATADIR/archetypes"
2774	or die "unable to load archetypes\n";
2775	}	3498	}
2776		3499
2777	sub reload_treasures {	3500	sub reload_treasures {
2778	load_resource_file "$DATADIR/treasures"	3501	load_resource_file "$DATADIR/treasures"
2779	or die "unable to load treasurelists\n";	3502	or die "unable to load treasurelists\n";
2780	}	3503	}
2781		3504
		3505	sub reload_sound {
		3506	trace "loading sound config from $DATADIR/sound\n";
		3507
		3508	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3509	or die "$DATADIR/sound $!";
		3510
		3511	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3512
		3513	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3514	my $sound = $soundconf->{compat}[$_]
		3515	or next;
		3516
		3517	my $face = cf::face::find "sound/$sound->[1]";
		3518	cf::sound::set $sound->[0] => $face;
		3519	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3520	}
		3521
		3522	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3523	my $face = cf::face::find "sound/$v";
		3524	cf::sound::set $k => $face;
		3525	}
		3526	}
		3527
2782	sub reload_resources {	3528	sub reload_resources {
2783	warn "reloading resource files...\n";	3529	trace "reloading resource files...\n";
2784		3530
		3531	reload_facedata;
		3532	reload_sound;
		3533	reload_archetypes;
2785	reload_regions;	3534	reload_regions;
2786	reload_facedata;
2787	#reload_archetypes;#d#
2788	reload_archetypes;
2789	reload_treasures;	3535	reload_treasures;
2790		3536
2791	warn "finished reloading resource files\n";	3537	trace "finished reloading resource files\n";
2792	}	3538	}
2793		3539
2794	sub init {	3540	sub reload_config {
2795	reload_resources;	3541	trace "reloading config file...\n";
2796	}
2797		3542
2798	sub cfg_load {
2799	open my $fh, "<:utf8", "$CONFDIR/config"	3543	open my $fh, "<:utf8", "$CONFDIR/config"
2800	or return;	3544	or return;
2801		3545
2802	local $/;	3546	local $/;
2803	*CFG = YAML::Syck::Load <$fh>;	3547	*CFG = YAML::XS::Load scalar <$fh>;
2804		3548
2805	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3549	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2806		3550
2807	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3551	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2808	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3552	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2809		3553
2810	if (exists $CFG{mlockall}) {	3554	if (exists $CFG{mlockall}) {
…		…
2812	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3556	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2813	and die "WARNING: m(un)lockall failed: $!\n";	3557	and die "WARNING: m(un)lockall failed: $!\n";
2814	};	3558	};
2815	warn $@ if $@;	3559	warn $@ if $@;
2816	}	3560	}
		3561
		3562	trace "finished reloading resource files\n";
		3563	}
		3564
		3565	sub pidfile() {
		3566	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3567	or die "$PIDFILE: $!";
		3568	flock $fh, &Fcntl::LOCK_EX
		3569	or die "$PIDFILE: flock: $!";
		3570	$fh
		3571	}
		3572
		3573	# make sure only one server instance is running at any one time
		3574	sub atomic {
		3575	my $fh = pidfile;
		3576
		3577	my $pid = <$fh>;
		3578	kill 9, $pid if $pid > 0;
		3579
		3580	seek $fh, 0, 0;
		3581	print $fh $$;
		3582	}
		3583
		3584	sub main_loop {
		3585	trace "EV::loop starting\n";
		3586	if (1) {
		3587	EV::loop;
		3588	}
		3589	trace "EV::loop returned\n";
		3590	goto &main_loop unless $REALLY_UNLOOP;
2817	}	3591	}
2818		3592
2819	sub main {	3593	sub main {
		3594	cf::init_globals; # initialise logging
		3595
		3596	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3597	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3598	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3599	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3600
		3601	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3602
2820	# we must not ever block the main coroutine	3603	# we must not ever block the main coroutine
2821	local $Coro::idle = sub {	3604	local $Coro::idle = sub {
2822	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3605	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2823	(async {	3606	(async {
2824	Event::one_event;	3607	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3608	EV::loop EV::LOOP_ONESHOT;
2825	})->prio (Coro::PRIO_MAX);	3609	})->prio (Coro::PRIO_MAX);
2826	};	3610	};
2827		3611
2828	cfg_load;	3612	evthread_start IO::AIO::poll_fileno;
		3613
		3614	cf::sync_job {
		3615	cf::init_experience;
		3616	cf::init_anim;
		3617	cf::init_attackmess;
		3618	cf::init_dynamic;
		3619
		3620	cf::load_settings;
		3621	cf::load_materials;
		3622
		3623	reload_resources;
		3624	reload_config;
2829	db_init;	3625	db_init;
		3626
		3627	cf::init_uuid;
		3628	cf::init_signals;
		3629	cf::init_skills;
		3630
		3631	cf::init_beforeplay;
		3632
		3633	atomic;
		3634
2830	load_extensions;	3635	load_extensions;
2831		3636
2832	$TICK_WATCHER->start;	3637	utime time, time, $RUNTIMEFILE;
2833	Event::loop;	3638
		3639	# no (long-running) fork's whatsoever before this point(!)
		3640	use POSIX ();
		3641	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3642
		3643	(pop @POST_INIT)->(0) while @POST_INIT;
		3644	};
		3645
		3646	cf::object::thawer::errors_are_fatal 0;
		3647	info "parse errors in files are no longer fatal from this point on.\n";
		3648
		3649	main_loop;
2834	}	3650	}
2835		3651
2836	#############################################################################	3652	#############################################################################
2837	# initialisation and cleanup	3653	# initialisation and cleanup
2838		3654
2839	# install some emergency cleanup handlers	3655	# install some emergency cleanup handlers
2840	BEGIN {	3656	BEGIN {
		3657	our %SIGWATCHER = ();
2841	for my $signal (qw(INT HUP TERM)) {	3658	for my $signal (qw(INT HUP TERM)) {
2842	Event->signal (	3659	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2843	reentrant => 0,
2844	data => WF_AUTOCANCEL,
2845	signal => $signal,
2846	prio => 0,
2847	cb => sub {
2848	cf::cleanup "SIG$signal";	3660	cf::cleanup "SIG$signal";
2849	},
2850	);	3661	};
2851	}	3662	}
2852	}	3663	}
2853		3664
2854	sub write_runtime {	3665	sub write_runtime_sync {
2855	my $runtime = "$LOCALDIR/runtime";	3666	my $t0 = AE::time;
2856		3667
2857	# first touch the runtime file to show we are still running:	3668	# first touch the runtime file to show we are still running:
2858	# the fsync below can take a very very long time.	3669	# the fsync below can take a very very long time.
2859		3670
2860	IO::AIO::aio_utime $runtime, undef, undef;	3671	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2861		3672
2862	my $guard = cf::lock_acquire "write_runtime";	3673	my $guard = cf::lock_acquire "write_runtime";
2863		3674
2864	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3675	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2865	or return;	3676	or return;
2866		3677
2867	my $value = $cf::RUNTIME + 90 + 10;	3678	my $value = $cf::RUNTIME + 90 + 10;
2868	# 10 is the runtime save interval, for a monotonic clock	3679	# 10 is the runtime save interval, for a monotonic clock
2869	# 60 allows for the watchdog to kill the server.	3680	# 60 allows for the watchdog to kill the server.
…		…
2879	aio_utime $fh, undef, undef;	3690	aio_utime $fh, undef, undef;
2880		3691
2881	close $fh	3692	close $fh
2882	or return;	3693	or return;
2883		3694
2884	aio_rename "$runtime~", $runtime	3695	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2885	and return;	3696	and return;
2886		3697
2887	warn "runtime file written.\n";	3698	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2888		3699
2889	1	3700	1
		3701	}
		3702
		3703	our $uuid_lock;
		3704	our $uuid_skip;
		3705
		3706	sub write_uuid_sync($) {
		3707	$uuid_skip ||= $_[0];
		3708
		3709	return if $uuid_lock;
		3710	local $uuid_lock = 1;
		3711
		3712	my $uuid = "$LOCALDIR/uuid";
		3713
		3714	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3715	or return;
		3716
		3717	my $value = uuid_seq uuid_cur;
		3718
		3719	unless ($value) {
		3720	info "cowardly refusing to write zero uuid value!\n";
		3721	return;
		3722	}
		3723
		3724	my $value = uuid_str $value + $uuid_skip;
		3725	$uuid_skip = 0;
		3726
		3727	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3728	and return;
		3729
		3730	# always fsync - this file is important
		3731	aio_fsync $fh
		3732	and return;
		3733
		3734	close $fh
		3735	or return;
		3736
		3737	aio_rename "$uuid~", $uuid
		3738	and return;
		3739
		3740	trace "uuid file written ($value).\n";
		3741
		3742	1
		3743
		3744	}
		3745
		3746	sub write_uuid($$) {
		3747	my ($skip, $sync) = @_;
		3748
		3749	$sync ? write_uuid_sync $skip
		3750	: async { write_uuid_sync $skip };
2890	}	3751	}
2891		3752
2892	sub emergency_save() {	3753	sub emergency_save() {
2893	my $freeze_guard = cf::freeze_mainloop;	3754	my $freeze_guard = cf::freeze_mainloop;
2894		3755
2895	warn "enter emergency perl save\n";	3756	info "emergency_perl_save: enter\n";
		3757
		3758	# this is a trade-off: we want to be very quick here, so
		3759	# save all maps without fsync, and later call a global sync
		3760	# (which in turn might be very very slow)
		3761	local $USE_FSYNC = 0;
2896		3762
2897	cf::sync_job {	3763	cf::sync_job {
		3764	cf::write_runtime_sync; # external watchdog should not bark
		3765
2898	# use a peculiar iteration method to avoid tripping on perl	3766	# use a peculiar iteration method to avoid tripping on perl
2899	# refcount bugs in for. also avoids problems with players	3767	# refcount bugs in for. also avoids problems with players
2900	# and maps saved/destroyed asynchronously.	3768	# and maps saved/destroyed asynchronously.
2901	warn "begin emergency player save\n";	3769	info "emergency_perl_save: begin player save\n";
2902	for my $login (keys %cf::PLAYER) {	3770	for my $login (keys %cf::PLAYER) {
2903	my $pl = $cf::PLAYER{$login} or next;	3771	my $pl = $cf::PLAYER{$login} or next;
2904	$pl->valid or next;	3772	$pl->valid or next;
		3773	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2905	$pl->save;	3774	$pl->save;
2906	}	3775	}
2907	warn "end emergency player save\n";	3776	info "emergency_perl_save: end player save\n";
2908		3777
2909	warn "begin emergency map save\n";	3778	cf::write_runtime_sync; # external watchdog should not bark
		3779
		3780	info "emergency_perl_save: begin map save\n";
2910	for my $path (keys %cf::MAP) {	3781	for my $path (keys %cf::MAP) {
2911	my $map = $cf::MAP{$path} or next;	3782	my $map = $cf::MAP{$path} or next;
2912	$map->valid or next;	3783	$map->valid or next;
2913	$map->save;	3784	$map->save;
2914	}	3785	}
2915	warn "end emergency map save\n";	3786	info "emergency_perl_save: end map save\n";
2916		3787
2917	warn "begin emergency database checkpoint\n";	3788	cf::write_runtime_sync; # external watchdog should not bark
		3789
		3790	info "emergency_perl_save: begin database checkpoint\n";
2918	BDB::db_env_txn_checkpoint $DB_ENV;	3791	BDB::db_env_txn_checkpoint $DB_ENV;
2919	warn "end emergency database checkpoint\n";	3792	info "emergency_perl_save: end database checkpoint\n";
		3793
		3794	info "emergency_perl_save: begin write uuid\n";
		3795	write_uuid_sync 1;
		3796	info "emergency_perl_save: end write uuid\n";
		3797
		3798	cf::write_runtime_sync; # external watchdog should not bark
		3799
		3800	trace "emergency_perl_save: syncing database to disk";
		3801	BDB::db_env_txn_checkpoint $DB_ENV;
		3802
		3803	info "emergency_perl_save: starting sync\n";
		3804	IO::AIO::aio_sync sub {
		3805	info "emergency_perl_save: finished sync\n";
		3806	};
		3807
		3808	cf::write_runtime_sync; # external watchdog should not bark
		3809
		3810	trace "emergency_perl_save: flushing outstanding aio requests";
		3811	while (IO::AIO::nreqs || BDB::nreqs) {
		3812	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3813	}
		3814
		3815	cf::write_runtime_sync; # external watchdog should not bark
2920	};	3816	};
2921		3817
2922	warn "leave emergency perl save\n";	3818	info "emergency_perl_save: leave\n";
2923	}	3819	}
2924		3820
2925	sub post_cleanup {	3821	sub post_cleanup {
2926	my ($make_core) = @_;	3822	my ($make_core) = @_;
2927		3823
		3824	IO::AIO::flush;
		3825
2928	warn Carp::longmess "post_cleanup backtrace"	3826	error Carp::longmess "post_cleanup backtrace"
2929	if $make_core;	3827	if $make_core;
		3828
		3829	my $fh = pidfile;
		3830	unlink $PIDFILE if <$fh> == $$;
		3831	}
		3832
		3833	# a safer delete_package, copied from Symbol
		3834	sub clear_package($) {
		3835	my $pkg = shift;
		3836
		3837	# expand to full symbol table name if needed
		3838	unless ($pkg =~ /^main::.*::$/) {
		3839	$pkg = "main$pkg" if $pkg =~ /^::/;
		3840	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3841	$pkg .= '::' unless $pkg =~ /::$/;
		3842	}
		3843
		3844	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3845	my $stem_symtab = *{$stem}{HASH};
		3846
		3847	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3848	or return;
		3849
		3850	# clear all symbols
		3851	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3852	for my $name (keys %$leaf_symtab) {
		3853	_gv_clear *{"$pkg$name"};
		3854	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3855	}
2930	}	3856	}
2931		3857
2932	sub do_reload_perl() {	3858	sub do_reload_perl() {
2933	# can/must only be called in main	3859	# can/must only be called in main
2934	if ($Coro::current != $Coro::main) {	3860	if (in_main) {
2935	warn "can only reload from main coroutine";	3861	error "can only reload from main coroutine";
2936	return;	3862	return;
2937	}	3863	}
2938		3864
		3865	return if $RELOAD++;
		3866
		3867	my $t1 = AE::time;
		3868
		3869	while ($RELOAD) {
2939	warn "reloading...";	3870	info "reloading...";
2940		3871
2941	warn "entering sync_job";	3872	trace "entering sync_job";
2942		3873
2943	cf::sync_job {	3874	cf::sync_job {
2944	cf::write_runtime; # external watchdog should not bark
2945	cf::emergency_save;	3875	cf::emergency_save;
2946	cf::write_runtime; # external watchdog should not bark
2947		3876
2948	warn "syncing database to disk";
2949	BDB::db_env_txn_checkpoint $DB_ENV;
2950
2951	# if anything goes wrong in here, we should simply crash as we already saved
2952
2953	warn "cancelling all WF_AUTOCANCEL watchers";
2954	for (Event::all_watchers) {
2955	$_->cancel if $_->data & WF_AUTOCANCEL;
2956	}
2957
2958	warn "flushing outstanding aio requests";
2959	for (;;) {
2960	BDB::flush;
2961	IO::AIO::flush;
2962	Coro::cede;
2963	last unless IO::AIO::nreqs || BDB::nreqs;
2964	warn "iterate...";
2965	}
2966
2967	++$RELOAD;
2968
2969	warn "cancelling all extension coros";	3877	trace "cancelling all extension coros";
2970	$_->cancel for values %EXT_CORO;	3878	$_->cancel for values %EXT_CORO;
2971	%EXT_CORO = ();	3879	%EXT_CORO = ();
2972		3880
2973	warn "removing commands";	3881	trace "removing commands";
2974	%COMMAND = ();	3882	%COMMAND = ();
2975		3883
2976	warn "removing ext/exti commands";	3884	trace "removing ext/exti commands";
2977	%EXTCMD = ();	3885	%EXTCMD = ();
2978	%EXTICMD = ();	3886	%EXTICMD = ();
2979		3887
2980	warn "unloading/nuking all extensions";	3888	trace "unloading/nuking all extensions";
2981	for my $pkg (@EXTS) {	3889	for my $pkg (@EXTS) {
2982	warn "... unloading $pkg";	3890	trace "... unloading $pkg";
2983		3891
2984	if (my $cb = $pkg->can ("unload")) {	3892	if (my $cb = $pkg->can ("unload")) {
2985	eval {	3893	eval {
2986	$cb->($pkg);	3894	$cb->($pkg);
2987	1	3895	1
2988	} or warn "$pkg unloaded, but with errors: $@";	3896	} or error "$pkg unloaded, but with errors: $@";
		3897	}
		3898
		3899	trace "... clearing $pkg";
		3900	clear_package $pkg;
2989	}	3901	}
2990		3902
2991	warn "... nuking $pkg";
2992	Symbol::delete_package $pkg;
2993	}
2994
2995	warn "unloading all perl modules loaded from $LIBDIR";	3903	trace "unloading all perl modules loaded from $LIBDIR";
2996	while (my ($k, $v) = each %INC) {	3904	while (my ($k, $v) = each %INC) {
2997	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3905	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2998		3906
2999	warn "... unloading $k";	3907	trace "... unloading $k";
3000	delete $INC{$k};	3908	delete $INC{$k};
3001		3909
3002	$k =~ s/\.pm$//;	3910	$k =~ s/\.pm$//;
3003	$k =~ s/\//::/g;	3911	$k =~ s/\//::/g;
3004		3912
3005	if (my $cb = $k->can ("unload_module")) {	3913	if (my $cb = $k->can ("unload_module")) {
3006	$cb->();	3914	$cb->();
		3915	}
		3916
		3917	clear_package $k;
3007	}	3918	}
3008		3919
3009	Symbol::delete_package $k;
3010	}
3011
3012	warn "getting rid of safe::, as good as possible";	3920	trace "getting rid of safe::, as good as possible";
3013	Symbol::delete_package "safe::$_"	3921	clear_package "safe::$_"
3014	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3922	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3015		3923
3016	warn "unloading cf.pm \"a bit\"";	3924	trace "unloading cf.pm \"a bit\"";
3017	delete $INC{"cf.pm"};	3925	delete $INC{"cf.pm"};
3018	delete $INC{"cf/pod.pm"};	3926	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3019		3927
3020	# don't, removes xs symbols, too,	3928	# don't, removes xs symbols, too,
3021	# and global variables created in xs	3929	# and global variables created in xs
3022	#Symbol::delete_package __PACKAGE__;	3930	#clear_package __PACKAGE__;
3023		3931
3024	warn "unload completed, starting to reload now";	3932	info "unload completed, starting to reload now";
3025		3933
3026	warn "reloading cf.pm";	3934	trace "reloading cf.pm";
3027	require cf;	3935	require cf;
3028	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3936	cf::_connect_to_perl_1;
3029		3937
3030	warn "loading config and database again";	3938	trace "loading config and database again";
3031	cf::cfg_load;	3939	cf::reload_config;
3032		3940
3033	warn "loading extensions";	3941	trace "loading extensions";
3034	cf::load_extensions;	3942	cf::load_extensions;
3035		3943
		3944	if ($REATTACH_ON_RELOAD) {
3036	warn "reattaching attachments to objects/players";	3945	trace "reattaching attachments to objects/players";
3037	_global_reattach; # objects, sockets	3946	_global_reattach; # objects, sockets
3038	warn "reattaching attachments to maps";	3947	trace "reattaching attachments to maps";
3039	reattach $_ for values %MAP;	3948	reattach $_ for values %MAP;
3040	warn "reattaching attachments to players";	3949	trace "reattaching attachments to players";
3041	reattach $_ for values %PLAYER;	3950	reattach $_ for values %PLAYER;
		3951	}
3042		3952
		3953	trace "running post_init jobs";
		3954	(pop @POST_INIT)->(1) while @POST_INIT;
		3955
3043	warn "leaving sync_job";	3956	trace "leaving sync_job";
3044		3957
3045	1	3958	1
3046	} or do {	3959	} or do {
3047	warn $@;	3960	error $@;
3048	warn "error while reloading, exiting.";	3961	cf::cleanup "error while reloading, exiting.";
3049	exit 1;	3962	};
		3963
		3964	info "reloaded";
		3965	--$RELOAD;
3050	};	3966	}
3051		3967
3052	warn "reloaded";	3968	$t1 = AE::time - $t1;
		3969	info "reload completed in ${t1}s\n";
3053	};	3970	};
3054		3971
3055	our $RELOAD_WATCHER; # used only during reload	3972	our $RELOAD_WATCHER; # used only during reload
3056		3973
3057	sub reload_perl() {	3974	sub reload_perl() {
3058	# doing reload synchronously and two reloads happen back-to-back,	3975	# doing reload synchronously and two reloads happen back-to-back,
3059	# coro crashes during coro_state_free->destroy here.	3976	# coro crashes during coro_state_free->destroy here.
3060		3977
3061	$RELOAD_WATCHER ||= Event->timer (	3978	$RELOAD_WATCHER ||= cf::async {
3062	reentrant => 0,	3979	Coro::AIO::aio_wait cache_extensions;
3063	after => 0,	3980
3064	data => WF_AUTOCANCEL,	3981	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3065	cb => sub {
3066	do_reload_perl;	3982	do_reload_perl;
3067	undef $RELOAD_WATCHER;	3983	undef $RELOAD_WATCHER;
3068	},	3984	};
3069	);	3985	};
3070	}	3986	}
3071		3987
3072	register_command "reload" => sub {	3988	register_command "reload" => sub {
3073	my ($who, $arg) = @_;	3989	my ($who, $arg) = @_;
3074		3990
3075	if ($who->flag (FLAG_WIZ)) {	3991	if ($who->flag (FLAG_WIZ)) {
3076	$who->message ("reloading server.");	3992	$who->message ("reloading server.");
		3993	async {
		3994	$Coro::current->{desc} = "perl_reload";
3077	async { reload_perl };	3995	reload_perl;
		3996	};
3078	}	3997	}
3079	};	3998	};
3080		3999
3081	unshift @INC, $LIBDIR;	4000	unshift @INC, $LIBDIR;
3082		4001
…		…
3084		4003
3085	our @WAIT_FOR_TICK;	4004	our @WAIT_FOR_TICK;
3086	our @WAIT_FOR_TICK_BEGIN;	4005	our @WAIT_FOR_TICK_BEGIN;
3087		4006
3088	sub wait_for_tick {	4007	sub wait_for_tick {
3089	return unless $TICK_WATCHER->is_active;
3090	return if $Coro::current == $Coro::main;	4008	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3091		4009
3092	my $signal = new Coro::Signal;	4010	my $signal = new Coro::Signal;
3093	push @WAIT_FOR_TICK, $signal;	4011	push @WAIT_FOR_TICK, $signal;
3094	$signal->wait;	4012	$signal->wait;
3095	}	4013	}
3096		4014
3097	sub wait_for_tick_begin {	4015	sub wait_for_tick_begin {
3098	return unless $TICK_WATCHER->is_active;
3099	return if $Coro::current == $Coro::main;	4016	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3100		4017
3101	my $signal = new Coro::Signal;	4018	my $signal = new Coro::Signal;
3102	push @WAIT_FOR_TICK_BEGIN, $signal;	4019	push @WAIT_FOR_TICK_BEGIN, $signal;
3103	$signal->wait;	4020	$signal->wait;
3104	}	4021	}
3105		4022
3106	my $min = 1e6;#d#	4023	sub tick {
3107	my $avg = 10;
3108	$TICK_WATCHER = Event->timer (
3109	reentrant => 0,
3110	parked => 1,
3111	prio => 0,
3112	at => $NEXT_TICK || $TICK,
3113	data => WF_AUTOCANCEL,
3114	cb => sub {
3115	if ($Coro::current != $Coro::main) {	4024	if ($Coro::current != $Coro::main) {
3116	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4025	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3117	unless ++$bug_warning > 10;	4026	unless ++$bug_warning > 10;
3118	return;	4027	return;
3119	}	4028	}
3120		4029
3121	$NOW = $tick_start = Event::time;
3122
3123	cf::server_tick; # one server iteration	4030	cf::server_tick; # one server iteration
3124		4031
3125	0 && sync_job {#d#	4032	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3126	for(1..10) {
3127	my $t = Event::time;
3128	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3129	or die;
3130		4033
3131	$map->width (50);	4034	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3132	$map->height (50);	4035	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3133	$map->alloc;	4036	Coro::async_pool {
3134	$map->_load_objects ("/tmp/x.map", 1);	4037	$Coro::current->{desc} = "runtime saver";
3135	my $t = Event::time - $t;	4038	write_runtime_sync
3136		4039	or error "ERROR: unable to write runtime file: $!";
3137	#next unless $t < 0.0013;#d#
3138	if ($t < $min) {
3139	$min = $t;
3140	}
3141	$avg = $avg * 0.99 + $t * 0.01;
3142	}
3143	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3144	exit 0;
3145	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3146	};	4040	};
		4041	}
3147		4042
3148	$RUNTIME += $TICK;
3149	$NEXT_TICK += $TICK;
3150
3151	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3152	$NEXT_RUNTIME_WRITE = $NOW + 10;
3153	Coro::async_pool {
3154	write_runtime
3155	or warn "ERROR: unable to write runtime file: $!";
3156	};
3157	}
3158
3159	# my $AFTER = Event::time;
3160	# warn $AFTER - $NOW;#d#
3161
3162	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4043	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3163	$sig->send;	4044	$sig->send;
3164	}	4045	}
3165	while (my $sig = shift @WAIT_FOR_TICK) {	4046	while (my $sig = shift @WAIT_FOR_TICK) {
3166	$sig->send;	4047	$sig->send;
3167	}	4048	}
3168		4049
3169	$NOW = Event::time;	4050	$LOAD = ($NOW - $TICK_START) / $TICK;
3170
3171	# if we are delayed by four ticks or more, skip them all
3172	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3173
3174	$TICK_WATCHER->at ($NEXT_TICK);
3175	$TICK_WATCHER->start;
3176
3177	$LOAD = ($NOW - $tick_start) / $TICK;
3178	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4051	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3179		4052
3180	_post_tick;	4053	if (0) {
3181		4054	if ($NEXT_TICK) {
3182		4055	my $jitter = $TICK_START - $NEXT_TICK;
		4056	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4057	debug "jitter $JITTER\n";#d#
		4058	}
3183	},	4059	}
3184	);	4060	}
3185		4061
3186	{	4062	{
3187	BDB::max_poll_time $TICK * 0.1;	4063	# configure BDB
3188	$BDB_POLL_WATCHER = Event->io (	4064
3189	reentrant => 0,
3190	fd => BDB::poll_fileno,
3191	poll => 'r',
3192	prio => 0,
3193	data => WF_AUTOCANCEL,
3194	cb => \&BDB::poll_cb,
3195	);
3196	BDB::min_parallel 8;	4065	BDB::min_parallel 16;
3197		4066	BDB::max_poll_reqs $TICK * 0.1;
3198	BDB::set_sync_prepare {	4067	$AnyEvent::BDB::WATCHER->priority (1);
3199	my $status;
3200	my $current = $Coro::current;
3201	(
3202	sub {
3203	$status = $!;
3204	$current->ready; undef $current;
3205	},
3206	sub {
3207	Coro::schedule while defined $current;
3208	$! = $status;
3209	},
3210	)
3211	};
3212		4068
3213	unless ($DB_ENV) {	4069	unless ($DB_ENV) {
3214	$DB_ENV = BDB::db_env_create;	4070	$DB_ENV = BDB::db_env_create;
		4071	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4072	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4073	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4074	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4075	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3215		4076
3216	cf::sync_job {	4077	cf::sync_job {
3217	eval {	4078	eval {
3218	BDB::db_env_open	4079	BDB::db_env_open
3219	$DB_ENV,	4080	$DB_ENV,
…		…
3221	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4082	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3222	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4083	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3223	0666;	4084	0666;
3224		4085
3225	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4086	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3226
3227	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3228	$DB_ENV->set_lk_detect;
3229	};	4087	};
3230		4088
3231	cf::cleanup "db_env_open(db): $@" if $@;	4089	cf::cleanup "db_env_open(db): $@" if $@;
3232	};	4090	};
3233	}	4091	}
		4092
		4093	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4094	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4095	};
		4096	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4097	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4098	};
		4099	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4100	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4101	};
3234	}	4102	}
3235		4103
3236	{	4104	{
		4105	# configure IO::AIO
		4106
3237	IO::AIO::min_parallel 8;	4107	IO::AIO::min_parallel 8;
3238
3239	undef $Coro::AIO::WATCHER;
3240	IO::AIO::max_poll_time $TICK * 0.1;	4108	IO::AIO::max_poll_time $TICK * 0.1;
3241	$AIO_POLL_WATCHER = Event->io (	4109	undef $AnyEvent::AIO::WATCHER;
3242	reentrant => 0,
3243	data => WF_AUTOCANCEL,
3244	fd => IO::AIO::poll_fileno,
3245	poll => 'r',
3246	prio => 6,
3247	cb => \&IO::AIO::poll_cb,
3248	);
3249	}	4110	}
3250		4111
3251	my $_log_backtrace;	4112	my $_log_backtrace;
3252		4113
3253	sub _log_backtrace {	4114	sub _log_backtrace {
…		…
3256	$msg =~ s/\n//;	4117	$msg =~ s/\n//;
3257		4118
3258	# limit the # of concurrent backtraces	4119	# limit the # of concurrent backtraces
3259	if ($_log_backtrace < 2) {	4120	if ($_log_backtrace < 2) {
3260	++$_log_backtrace;	4121	++$_log_backtrace;
		4122	my $perl_bt = Carp::longmess $msg;
3261	async {	4123	async {
		4124	$Coro::current->{desc} = "abt $msg";
		4125
3262	my @bt = fork_call {	4126	my @bt = fork_call {
3263	@addr = map { sprintf "%x", $_ } @addr;	4127	@addr = map { sprintf "%x", $_ } @addr;
3264	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4128	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3265	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4129	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3266	or die "addr2line: $!";	4130	or die "addr2line: $!";
…		…
3274	}	4138	}
3275		4139
3276	@funcs	4140	@funcs
3277	};	4141	};
3278		4142
3279	LOG llevInfo, "[ABT] $msg\n";	4143	LOG llevInfo, "[ABT] $perl_bt\n";
		4144	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3280	LOG llevInfo, "[ABT] $_\n" for @bt;	4145	LOG llevInfo, "[ABT] $_\n" for @bt;
3281	--$_log_backtrace;	4146	--$_log_backtrace;
3282	};	4147	};
3283	} else {	4148	} else {
3284	LOG llevInfo, "[ABT] $msg\n";	4149	LOG llevInfo, "[ABT] $msg\n";
3285	LOG llevInfo, "[ABT] [suppressed]\n";	4150	LOG llevInfo, "[ABT] [suppressed]\n";
3286	}	4151	}
3287	}	4152	}
3288		4153
3289	# load additional modules	4154	# load additional modules
3290	use cf::pod;	4155	require "cf/$_.pm" for @EXTRA_MODULES;
		4156	cf::_connect_to_perl_2;
3291		4157
3292	END { cf::emergency_save }	4158	END { cf::emergency_save }
3293		4159
3294	1	4160	1
3295		4161

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