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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.367 by root, Wed Sep 12 11:10:11 2007 UTC vs.
Revision 1.508 by root, Sun Mar 28 22:29:50 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 3.64 ();	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;
24	use Coro::Util ();	53	use Coro::Util ();
25		54
26	use JSON::XS ();	55	use JSON::XS 2.01 ();
27	use BDB ();	56	use BDB ();
28	use Data::Dumper;	57	use Data::Dumper;
29	use Digest::MD5;
30	use Fcntl;	58	use Fcntl;
31	use YAML::Syck ();	59	use YAML::XS ();
32	use IO::AIO 2.32 ();	60	use IO::AIO ();
33	use Time::HiRes;	61	use Time::HiRes;
34	use Compress::LZF;	62	use Compress::LZF;
35	use Digest::MD5 ();	63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
36		66
37	# configure various modules to our taste	67	# configure various modules to our taste
38	#	68	#
39	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
40	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";
41	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
42		77
43	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
44		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		80
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
51		82
52	our %COMMAND = ();	83	our %COMMAND = ();
53	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
…		…
56	our %EXTCMD = ();	87	our %EXTCMD = ();
57	our %EXTICMD = ();	88	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
60		91
61	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
63		96
64	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
65	our $DATADIR = datadir;	98	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
69	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE;
75		112
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	113	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	114	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	115	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	116	our $USE_FSYNC = 1; # use fsync to write maps - default on
83		117
84	our $BDB_POLL_WATCHER;	118	our $BDB_DEADLOCK_WATCHER;
85	our $BDB_CHECKPOINT_WATCHER;	119	our $BDB_CHECKPOINT_WATCHER;
86	our $BDB_TRICKLE_WATCHER;	120	our $BDB_TRICKLE_WATCHER;
87	our $DB_ENV;	121	our $DB_ENV;
88		122
		123	our @EXTRA_MODULES = qw(pod match mapscript);
		124
89	our %CFG;	125	our %CFG;
90		126
91	our $UPTIME; $UPTIME ||= time;	127	our $UPTIME; $UPTIME ||= time;
92	our $RUNTIME;	128	our $RUNTIME;
		129	our $NOW;
93		130
94	our (%PLAYER, %PLAYER_LOADING); # all users	131	our (%PLAYER, %PLAYER_LOADING); # all users
95	our (%MAP, %MAP_LOADING ); # all maps	132	our (%MAP, %MAP_LOADING ); # all maps
96	our $LINK_MAP; # the special {link} map, which is always available	133	our $LINK_MAP; # the special {link} map, which is always available
97		134
98	# used to convert map paths into valid unix filenames by replacing / by ∕	135	# used to convert map paths into valid unix filenames by replacing / by ∕
99	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	136	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
100		137
101	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	138	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
102	our $LOADAVG; # same thing, but with alpha-smoothing	139	our $LOADAVG; # same thing, but with alpha-smoothing
		140	our $JITTER; # average jitter
103	our $tick_start; # for load detecting purposes	141	our $TICK_START; # for load detecting purposes
		142
		143	our @POST_INIT;
		144
		145	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		146	our $REALLY_UNLOOP; # never set to true, please :)
104		147
105	binmode STDOUT;	148	binmode STDOUT;
106	binmode STDERR;	149	binmode STDERR;
107		150
108	# read virtual server time, if available	151	# read virtual server time, if available
109	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	152	unless ($RUNTIME || !-e $RUNTIMEFILE) {
110	open my $fh, "<", "$LOCALDIR/runtime"	153	open my $fh, "<", $RUNTIMEFILE
111	or die "unable to read runtime file: $!";	154	or die "unable to read $RUNTIMEFILE file: $!";
112	$RUNTIME = <$fh> + 0.;	155	$RUNTIME = <$fh> + 0.;
113	}	156	}
		157
		158	eval "sub TICK() { $TICK } 1" or die;
114		159
115	mkdir $_	160	mkdir $_
116	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	161	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
117		162
118	our $EMERGENCY_POSITION;	163	our $EMERGENCY_POSITION;
119		164
120	sub cf::map::normalise;	165	sub cf::map::normalise;
		166
		167	#############################################################################
		168
		169	%REFLECT = ();
		170	for (@REFLECT) {
		171	my $reflect = JSON::XS::decode_json $_;
		172	$REFLECT{$reflect->{class}} = $reflect;
		173	}
		174
		175	# this is decidedly evil
		176	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
121		177
122	#############################################################################	178	#############################################################################
123		179
124	=head2 GLOBAL VARIABLES	180	=head2 GLOBAL VARIABLES
125		181
…		…
161		217
162	The raw value load value from the last tick.	218	The raw value load value from the last tick.
163		219
164	=item %cf::CFG	220	=item %cf::CFG
165		221
166	Configuration for the server, loaded from C</etc/crossfire/config>, or	222	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
167	from wherever your confdir points to.	223	from wherever your confdir points to.
168		224
169	=item cf::wait_for_tick, cf::wait_for_tick_begin	225	=item cf::wait_for_tick, cf::wait_for_tick_begin
170		226
171	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	227	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
172	returns directly I<after> the tick processing (and consequently, can only wake one process	228	returns directly I<after> the tick processing (and consequently, can only wake one process
173	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	229	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
174		230
175	=item @cf::INVOKE_RESULTS	231	=item @cf::INVOKE_RESULTS
176		232
177	This array contains the results of the last C<invoke ()> call. When	233	This array contains the results of the last C<invoke ()> call. When
178	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	234	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
179	that call.	235	that call.
180		236
		237	=item %cf::REFLECT
		238
		239	Contains, for each (C++) class name, a hash reference with information
		240	about object members (methods, scalars, arrays and flags) and other
		241	metadata, which is useful for introspection.
		242
181	=back	243	=back
182		244
183	=cut	245	=cut
184		246
185	BEGIN {	247	$Coro::State::WARNHOOK = sub {
186	*CORE::GLOBAL::warn = sub {
187	my $msg = join "", @_;	248	my $msg = join "", @_;
188		249
189	$msg .= "\n"	250	$msg .= "\n"
190	unless $msg =~ /\n$/;	251	unless $msg =~ /\n$/;
191		252
192	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	253	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
193		254
194	LOG llevError, $msg;	255	LOG llevError, $msg;
195	};	256	};
196	}	257
		258	$Coro::State::DIEHOOK = sub {
		259	return unless $^S eq 0; # "eq", not "=="
		260
		261	warn Carp::longmess $_[0];
		262
		263	if ($Coro::current == $Coro::main) {#d#
		264	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		265	return;#d#
		266	}#d#
		267
		268	# kill coroutine otherwise
		269	Coro::terminate
		270	};
197		271
198	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	272	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
199	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	273	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
200	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	274	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
201	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	275	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
208	for my $pkg (qw(	282	for my $pkg (qw(
209	cf::global cf::attachable	283	cf::global cf::attachable
210	cf::object cf::object::player	284	cf::object cf::object::player
211	cf::client cf::player	285	cf::client cf::player
212	cf::arch cf::living	286	cf::arch cf::living
		287	cf::map cf::mapspace
213	cf::map cf::party cf::region	288	cf::party cf::region
214	)) {	289	)) {
215	no strict 'refs';
216	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	290	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
217	}	291	}
218		292
219	$Event::DIED = sub {	293	$EV::DIED = sub {
220	warn "error in event callback: @_";	294	Carp::cluck "error in event callback: @_";
221	};	295	};
222		296
223	#############################################################################	297	#############################################################################
224		298
225	=head2 UTILITY FUNCTIONS	299	=head2 UTILITY FUNCTIONS
…		…
247	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	321	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
248	$d	322	$d
249	} || "[unable to dump $_[0]: '$@']";	323	} || "[unable to dump $_[0]: '$@']";
250	}	324	}
251		325
252	=item $ref = cf::from_json $json	326	=item $ref = cf::decode_json $json
253		327
254	Converts a JSON string into the corresponding perl data structure.	328	Converts a JSON string into the corresponding perl data structure.
255		329
256	=item $json = cf::to_json $ref	330	=item $json = cf::encode_json $ref
257		331
258	Converts a perl data structure into its JSON representation.	332	Converts a perl data structure into its JSON representation.
259		333
260	=cut	334	=cut
261		335
262	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	336	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
263		337
264	sub to_json ($) { $json_coder->encode ($_[0]) }	338	sub encode_json($) { $json_coder->encode ($_[0]) }
265	sub from_json ($) { $json_coder->decode ($_[0]) }	339	sub decode_json($) { $json_coder->decode ($_[0]) }
		340
		341	=item cf::post_init { BLOCK }
		342
		343	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		344	but I<before> the server starts ticking again.
		345
		346	The cdoeblock will have a single boolean argument to indicate whether this
		347	is a reload or not.
		348
		349	=cut
		350
		351	sub post_init(&) {
		352	push @POST_INIT, shift;
		353	}
266		354
267	=item cf::lock_wait $string	355	=item cf::lock_wait $string
268		356
269	Wait until the given lock is available. See cf::lock_acquire.	357	Wait until the given lock is available. See cf::lock_acquire.
270		358
271	=item my $lock = cf::lock_acquire $string	359	=item my $lock = cf::lock_acquire $string
272		360
273	Wait until the given lock is available and then acquires it and returns	361	Wait until the given lock is available and then acquires it and returns
274	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	362	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
275	for example when the coroutine gets canceled), the lock is automatically	363	for example when the coroutine gets canceled), the lock is automatically
276	returned.	364	returned.
277		365
278	Locks are *not* recursive, locking from the same coro twice results in a	366	Locks are *not* recursive, locking from the same coro twice results in a
279	deadlocked coro.	367	deadlocked coro.
…		…
285		373
286	Return true if the lock is currently active, i.e. somebody has locked it.	374	Return true if the lock is currently active, i.e. somebody has locked it.
287		375
288	=cut	376	=cut
289		377
290	our %LOCK;	378	our $LOCKS = new Coro::SemaphoreSet;
291	our %LOCKER;#d#
292		379
293	sub lock_wait($) {	380	sub lock_wait($) {
294	my ($key) = @_;	381	$LOCKS->wait ($_[0]);
295
296	if ($LOCKER{$key} == $Coro::current) {#d#
297	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
298	return;#d#
299	}#d#
300
301	# wait for lock, if any
302	while ($LOCK{$key}) {
303	push @{ $LOCK{$key} }, $Coro::current;
304	Coro::schedule;
305	}
306	}	382	}
307		383
308	sub lock_acquire($) {	384	sub lock_acquire($) {
309	my ($key) = @_;	385	$LOCKS->guard ($_[0])
310
311	# wait, to be sure we are not locked
312	lock_wait $key;
313
314	$LOCK{$key} = [];
315	$LOCKER{$key} = $Coro::current;#d#
316
317	Coro::guard {
318	delete $LOCKER{$key};#d#
319	# wake up all waiters, to be on the safe side
320	$_->ready for @{ delete $LOCK{$key} };
321	}
322	}	386	}
323		387
324	sub lock_active($) {	388	sub lock_active($) {
325	my ($key) = @_;	389	$LOCKS->count ($_[0]) < 1
326
327	! ! $LOCK{$key}
328	}	390	}
329		391
330	sub freeze_mainloop {	392	sub freeze_mainloop {
331	return unless $TICK_WATCHER->is_active;	393	tick_inhibit_inc;
332		394
333	my $guard = Coro::guard {	395	&Guard::guard (\&tick_inhibit_dec);
334	$TICK_WATCHER->start;	396	}
335	};	397
336	$TICK_WATCHER->stop;	398	=item cf::periodic $interval, $cb
337	$guard	399
		400	Like EV::periodic, but randomly selects a starting point so that the actions
		401	get spread over timer.
		402
		403	=cut
		404
		405	sub periodic($$) {
		406	my ($interval, $cb) = @_;
		407
		408	my $start = rand List::Util::min 180, $interval;
		409
		410	EV::periodic $start, $interval, 0, $cb
338	}	411	}
339		412
340	=item cf::get_slot $time[, $priority[, $name]]	413	=item cf::get_slot $time[, $priority[, $name]]
341		414
342	Allocate $time seconds of blocking CPU time at priority C<$priority>:	415	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
350		423
351	=cut	424	=cut
352		425
353	our @SLOT_QUEUE;	426	our @SLOT_QUEUE;
354	our $SLOT_QUEUE;	427	our $SLOT_QUEUE;
		428	our $SLOT_DECAY = 0.9;
355		429
356	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	430	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
357	$SLOT_QUEUE = Coro::async {	431	$SLOT_QUEUE = Coro::async {
		432	$Coro::current->desc ("timeslot manager");
		433
358	my $signal = new Coro::Signal;	434	my $signal = new Coro::Signal;
		435	my $busy;
359		436
360	while () {	437	while () {
361	next_job:	438	next_job:
		439
362	my $avail = cf::till_tick;	440	my $avail = cf::till_tick;
363	if ($avail > 0.01) {	441
364	for (0 .. $#SLOT_QUEUE) {	442	for (0 .. $#SLOT_QUEUE) {
365	if ($SLOT_QUEUE[$_][0] < $avail) {	443	if ($SLOT_QUEUE[$_][0] <= $avail) {
		444	$busy = 0;
366	my $job = splice @SLOT_QUEUE, $_, 1, ();	445	my $job = splice @SLOT_QUEUE, $_, 1, ();
367	$job->[2]->send;	446	$job->[2]->send;
368	Coro::cede;	447	Coro::cede;
369	goto next_job;	448	goto next_job;
370	}	449	} else {
		450	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
371	}	451	}
372	}	452	}
373		453
374	if (@SLOT_QUEUE) {	454	if (@SLOT_QUEUE) {
375	# we do not use wait_For_tick() as it returns immediately when tick is inactive	455	# we do not use wait_for_tick() as it returns immediately when tick is inactive
376	push @cf::WAIT_FOR_TICK, $signal;	456	push @cf::WAIT_FOR_TICK, $signal;
377	$signal->wait;	457	$signal->wait;
378	} else {	458	} else {
		459	$busy = 0;
379	Coro::schedule;	460	Coro::schedule;
380	}	461	}
381	}	462	}
382	};	463	};
383		464
384	sub get_slot($;$$) {	465	sub get_slot($;$$) {
		466	return if tick_inhibit || $Coro::current == $Coro::main;
		467
385	my ($time, $pri, $name) = @_;	468	my ($time, $pri, $name) = @_;
386		469
387	$time = $TICK * .6 if $time > $TICK * .6;	470	$time = clamp $time, 0.01, $TICK * .6;
		471
388	my $sig = new Coro::Signal;	472	my $sig = new Coro::Signal;
389		473
390	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	474	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
391	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	475	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
392	$SLOT_QUEUE->ready;	476	$SLOT_QUEUE->ready;
…		…
403		487
404	BEGIN { *async = \&Coro::async_pool }	488	BEGIN { *async = \&Coro::async_pool }
405		489
406	=item cf::sync_job { BLOCK }	490	=item cf::sync_job { BLOCK }
407		491
408	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	492	The design of Deliantra requires that the main coroutine ($Coro::main)
409	is always able to handle events or runnable, as Crossfire TRT is only	493	is always able to handle events or runnable, as Deliantra is only
410	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	494	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
411	acceptable.	495	acceptable.
412		496
413	If it must be done, put the blocking parts into C<sync_job>. This will run	497	If it must be done, put the blocking parts into C<sync_job>. This will run
414	the given BLOCK in another coroutine while waiting for the result. The	498	the given BLOCK in another coroutine while waiting for the result. The
…		…
419		503
420	sub sync_job(&) {	504	sub sync_job(&) {
421	my ($job) = @_;	505	my ($job) = @_;
422		506
423	if ($Coro::current == $Coro::main) {	507	if ($Coro::current == $Coro::main) {
424	my $time = Event::time;	508	my $time = EV::time;
425		509
426	# this is the main coro, too bad, we have to block	510	# this is the main coro, too bad, we have to block
427	# till the operation succeeds, freezing the server :/	511	# till the operation succeeds, freezing the server :/
428		512
429	# TODO: use suspend/resume instead	513	LOG llevError, Carp::longmess "sync job";#d#
430	# (but this is cancel-safe)	514
431	my $freeze_guard = freeze_mainloop;	515	my $freeze_guard = freeze_mainloop;
432		516
433	my $busy = 1;	517	my $busy = 1;
434	my @res;	518	my @res;
435		519
436	(async {	520	(async {
		521	$Coro::current->desc ("sync job coro");
437	@res = eval { $job->() };	522	@res = eval { $job->() };
438	warn $@ if $@;	523	warn $@ if $@;
439	undef $busy;	524	undef $busy;
440	})->prio (Coro::PRIO_MAX);	525	})->prio (Coro::PRIO_MAX);
441		526
442	while ($busy) {	527	while ($busy) {
443	Coro::cede or Event::one_event;	528	if (Coro::nready) {
		529	Coro::cede_notself;
		530	} else {
		531	EV::loop EV::LOOP_ONESHOT;
444	}	532	}
		533	}
445		534
446	$time = Event::time - $time;	535	my $time = EV::time - $time;
447		536
448	LOG llevError | logBacktrace, Carp::longmess "long sync job"
449	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
450
451	$tick_start += $time; # do not account sync jobs to server load	537	$TICK_START += $time; # do not account sync jobs to server load
452		538
453	wantarray ? @res : $res[0]	539	wantarray ? @res : $res[0]
454	} else {	540	} else {
455	# we are in another coroutine, how wonderful, everything just works	541	# we are in another coroutine, how wonderful, everything just works
456		542
…		…
481	=item fork_call { }, $args	567	=item fork_call { }, $args
482		568
483	Executes the given code block with the given arguments in a seperate	569	Executes the given code block with the given arguments in a seperate
484	process, returning the results. Everything must be serialisable with	570	process, returning the results. Everything must be serialisable with
485	Coro::Storable. May, of course, block. Note that the executed sub may	571	Coro::Storable. May, of course, block. Note that the executed sub may
486	never block itself or use any form of Event handling.	572	never block itself or use any form of event handling.
487		573
488	=cut	574	=cut
489		575
490	sub fork_call(&@) {	576	sub fork_call(&@) {
491	my ($cb, @args) = @_;	577	my ($cb, @args) = @_;
…		…
498	reset_signals;	584	reset_signals;
499	&$cb	585	&$cb
500	}, @args;	586	}, @args;
501		587
502	wantarray ? @res : $res[-1]	588	wantarray ? @res : $res[-1]
		589	}
		590
		591	=item $coin = coin_from_name $name
		592
		593	=cut
		594
		595	our %coin_alias = (
		596	"silver" => "silvercoin",
		597	"silvercoin" => "silvercoin",
		598	"silvercoins" => "silvercoin",
		599	"gold" => "goldcoin",
		600	"goldcoin" => "goldcoin",
		601	"goldcoins" => "goldcoin",
		602	"platinum" => "platinacoin",
		603	"platinumcoin" => "platinacoin",
		604	"platinumcoins" => "platinacoin",
		605	"platina" => "platinacoin",
		606	"platinacoin" => "platinacoin",
		607	"platinacoins" => "platinacoin",
		608	"royalty" => "royalty",
		609	"royalties" => "royalty",
		610	);
		611
		612	sub coin_from_name($) {
		613	$coin_alias{$_[0]}
		614	? cf::arch::find $coin_alias{$_[0]}
		615	: undef
503	}	616	}
504		617
505	=item $value = cf::db_get $family => $key	618	=item $value = cf::db_get $family => $key
506		619
507	Returns a single value from the environment database.	620	Returns a single value from the environment database.
…		…
646		759
647	#############################################################################	760	#############################################################################
648		761
649	=head2 ATTACHABLE OBJECTS	762	=head2 ATTACHABLE OBJECTS
650		763
651	Many objects in crossfire are so-called attachable objects. That means you can	764	Many objects in deliantra are so-called attachable objects. That means you can
652	attach callbacks/event handlers (a collection of which is called an "attachment")	765	attach callbacks/event handlers (a collection of which is called an "attachment")
653	to it. All such attachable objects support the following methods.	766	to it. All such attachable objects support the following methods.
654		767
655	In the following description, CLASS can be any of C<global>, C<object>	768	In the following description, CLASS can be any of C<global>, C<object>
656	C<player>, C<client> or C<map> (i.e. the attachable objects in	769	C<player>, C<client> or C<map> (i.e. the attachable objects in
657	Crossfire TRT).	770	Deliantra).
658		771
659	=over 4	772	=over 4
660		773
661	=item $attachable->attach ($attachment, key => $value...)	774	=item $attachable->attach ($attachment, key => $value...)
662		775
…		…
706	=item cf::CLASS::attachment $name, ...	819	=item cf::CLASS::attachment $name, ...
707		820
708	Register an attachment by C<$name> through which attachable objects of the	821	Register an attachment by C<$name> through which attachable objects of the
709	given CLASS can refer to this attachment.	822	given CLASS can refer to this attachment.
710		823
711	Some classes such as crossfire maps and objects can specify attachments	824	Some classes such as deliantra maps and objects can specify attachments
712	that are attached at load/instantiate time, thus the need for a name.	825	that are attached at load/instantiate time, thus the need for a name.
713		826
714	These calls expect any number of the following handler/hook descriptions:	827	These calls expect any number of the following handler/hook descriptions:
715		828
716	=over 4	829	=over 4
…		…
944	}	1057	}
945		1058
946	0	1059	0
947	}	1060	}
948		1061
949	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1062	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
950		1063
951	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1064	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
952		1065
953	Generate an object-specific event with the given arguments.	1066	Generate an object-specific event with the given arguments.
954		1067
…		…
960		1073
961	=cut	1074	=cut
962		1075
963	#############################################################################	1076	#############################################################################
964	# object support	1077	# object support
965	#
966		1078
		1079	sub _object_equal($$);
		1080	sub _object_equal($$) {
		1081	my ($a, $b) = @_;
		1082
		1083	return 0 unless (ref $a) eq (ref $b);
		1084
		1085	if ("HASH" eq ref $a) {
		1086	my @ka = keys %$a;
		1087	my @kb = keys %$b;
		1088
		1089	return 0 if @ka != @kb;
		1090
		1091	for (0 .. $#ka) {
		1092	return 0 unless $ka[$_] eq $kb[$_];
		1093	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1094	}
		1095
		1096	} elsif ("ARRAY" eq ref $a) {
		1097
		1098	return 0 if @$a != @$b;
		1099
		1100	for (0 .. $#$a) {
		1101	return 0 unless _object_equal $a->[$_], $b->[$_];
		1102	}
		1103
		1104	} elsif ($a ne $b) {
		1105	return 0;
		1106	}
		1107
		1108	1
		1109	}
		1110
		1111	our $SLOW_MERGES;#d#
967	sub _can_merge {	1112	sub _can_merge {
968	my ($ob1, $ob2) = @_;	1113	my ($ob1, $ob2) = @_;
969		1114
970	local $Storable::canonical = 1;	1115	++$SLOW_MERGES;#d#
971	my $fob1 = Storable::freeze $ob1;
972	my $fob2 = Storable::freeze $ob2;
973		1116
974	$fob1 eq $fob2	1117	# we do the slow way here
		1118	return _object_equal $ob1, $ob2
975	}	1119	}
976		1120
977	sub reattach {	1121	sub reattach {
978	# basically do the same as instantiate, without calling instantiate	1122	# basically do the same as instantiate, without calling instantiate
979	my ($obj) = @_;	1123	my ($obj) = @_;
980		1124
		1125	# no longer needed after getting rid of delete_package?
981	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1126	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
982		1127
983	my $registry = $obj->registry;	1128	my $registry = $obj->registry;
984		1129
985	@$registry = ();	1130	@$registry = ();
986		1131
…		…
1001	cf::attachable->attach (	1146	cf::attachable->attach (
1002	prio => -1000000,	1147	prio => -1000000,
1003	on_instantiate => sub {	1148	on_instantiate => sub {
1004	my ($obj, $data) = @_;	1149	my ($obj, $data) = @_;
1005		1150
1006	$data = from_json $data;	1151	$data = decode_json $data;
1007		1152
1008	for (@$data) {	1153	for (@$data) {
1009	my ($name, $args) = @$_;	1154	my ($name, $args) = @$_;
1010		1155
1011	$obj->attach ($name, %{$args || {} });	1156	$obj->attach ($name, %{$args || {} });
…		…
1024	},	1169	},
1025	);	1170	);
1026		1171
1027	sub object_freezer_save {	1172	sub object_freezer_save {
1028	my ($filename, $rdata, $objs) = @_;	1173	my ($filename, $rdata, $objs) = @_;
1029
1030	my $guard = cf::lock_acquire "io";
1031		1174
1032	sync_job {	1175	sync_job {
1033	if (length $$rdata) {	1176	if (length $$rdata) {
1034	utf8::decode (my $decname = $filename);	1177	utf8::decode (my $decname = $filename);
1035	warn sprintf "saving %s (%d,%d)\n",	1178	warn sprintf "saving %s (%d,%d)\n",
1036	$decname, length $$rdata, scalar @$objs;	1179	$decname, length $$rdata, scalar @$objs;
1037		1180
1038	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1181	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1039	chmod SAVE_MODE, $fh;	1182	aio_chmod $fh, SAVE_MODE;
1040	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1183	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1041	aio_fsync $fh if $cf::USE_FSYNC;	1184	if ($cf::USE_FSYNC) {
		1185	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;
		1186	aio_fsync $fh;
		1187	}
1042	close $fh;	1188	aio_close $fh;
1043		1189
1044	if (@$objs) {	1190	if (@$objs) {
1045	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1191	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1046	chmod SAVE_MODE, $fh;	1192	aio_chmod $fh, SAVE_MODE;
1047	my $data = Storable::nfreeze { version => 1, objs => $objs };	1193	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1048	aio_write $fh, 0, (length $data), $data, 0;	1194	aio_write $fh, 0, (length $data), $data, 0;
1049	aio_fsync $fh if $cf::USE_FSYNC;	1195	if ($cf::USE_FSYNC) {
		1196	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;
		1197	aio_fsync $fh;
		1198	}
1050	close $fh;	1199	aio_close $fh;
1051	aio_rename "$filename.pst~", "$filename.pst";	1200	aio_rename "$filename.pst~", "$filename.pst";
1052	}	1201	}
1053	} else {	1202	} else {
1054	aio_unlink "$filename.pst";	1203	aio_unlink "$filename.pst";
1055	}	1204	}
1056		1205
1057	aio_rename "$filename~", $filename;	1206	aio_rename "$filename~", $filename;
		1207
		1208	$filename =~ s%/[^/]+$%%;
		1209	aio_pathsync $filename if $cf::USE_FSYNC;
1058	} else {	1210	} else {
1059	warn "FATAL: $filename~: $!\n";	1211	warn "unable to save objects: $filename~: $!\n";
1060	}	1212	}
1061	} else {	1213	} else {
1062	aio_unlink $filename;	1214	aio_unlink $filename;
1063	aio_unlink "$filename.pst";	1215	aio_unlink "$filename.pst";
1064	}	1216	}
1065	};	1217	};
1066
1067	undef $guard;
1068	}	1218	}
1069		1219
1070	sub object_freezer_as_string {	1220	sub object_freezer_as_string {
1071	my ($rdata, $objs) = @_;	1221	my ($rdata, $objs) = @_;
1072		1222
…		…
1077		1227
1078	sub object_thawer_load {	1228	sub object_thawer_load {
1079	my ($filename) = @_;	1229	my ($filename) = @_;
1080		1230
1081	my ($data, $av);	1231	my ($data, $av);
1082
1083	my $guard = cf::lock_acquire "io";
1084		1232
1085	(aio_load $filename, $data) >= 0	1233	(aio_load $filename, $data) >= 0
1086	or return;	1234	or return;
1087		1235
1088	unless (aio_stat "$filename.pst") {	1236	unless (aio_stat "$filename.pst") {
1089	(aio_load "$filename.pst", $av) >= 0	1237	(aio_load "$filename.pst", $av) >= 0
1090	or return;	1238	or return;
1091		1239
1092	undef $guard;
1093	$av = eval { (Storable::thaw $av)->{objs} };	1240	my $st = eval { Coro::Storable::thaw $av };
		1241	$av = $st->{objs};
1094	}	1242	}
1095		1243
1096	utf8::decode (my $decname = $filename);	1244	utf8::decode (my $decname = $filename);
1097	warn sprintf "loading %s (%d,%d)\n",	1245	warn sprintf "loading %s (%d,%d)\n",
1098	$decname, length $data, scalar @{$av || []};	1246	$decname, length $data, scalar @{$av || []};
…		…
1159	my ($name, $cb) = @_;	1307	my ($name, $cb) = @_;
1160		1308
1161	$EXTICMD{$name} = $cb;	1309	$EXTICMD{$name} = $cb;
1162	}	1310	}
1163		1311
		1312	use File::Glob ();
		1313
1164	cf::player->attach (	1314	cf::player->attach (
1165	on_command => sub {	1315	on_command => sub {
1166	my ($pl, $name, $params) = @_;	1316	my ($pl, $name, $params) = @_;
1167		1317
1168	my $cb = $COMMAND{$name}	1318	my $cb = $COMMAND{$name}
…		…
1200		1350
1201	cf::override;	1351	cf::override;
1202	},	1352	},
1203	);	1353	);
1204		1354
		1355	# "readahead" all extensions
		1356	sub cache_extensions {
		1357	my $grp = IO::AIO::aio_group;
		1358
		1359	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1360	for (grep /\.ext$/, @{$_[0]}) {
		1361	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1362	}
		1363	};
		1364
		1365	$grp
		1366	}
		1367
1205	sub load_extensions {	1368	sub load_extensions {
1206	cf::sync_job {	1369	cf::sync_job {
1207	my %todo;	1370	my %todo;
1208		1371
1209	for my $path (<$LIBDIR/*.ext>) {	1372	for my $path (<$LIBDIR/*.ext>) {
…		…
1228		1391
1229	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1392	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1230	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1393	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1231		1394
1232	$ext{source} =	1395	$ext{source} =
1233	"package $pkg; use strict; use utf8;\n"	1396	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1234	. "#line 1 \"$path\"\n{\n"	1397	. "#line 1 \"$path\"\n{\n"
1235	. $source	1398	. $source
1236	. "\n};\n1";	1399	. "\n};\n1";
1237		1400
1238	$todo{$base} = \%ext;	1401	$todo{$base} = \%ext;
1239	}	1402	}
1240		1403
		1404	my $pass = 0;
1241	my %done;	1405	my %done;
1242	while (%todo) {	1406	while (%todo) {
1243	my $progress;	1407	my $progress;
1244		1408
		1409	++$pass;
		1410
		1411	ext:
1245	while (my ($k, $v) = each %todo) {	1412	while (my ($k, $v) = each %todo) {
1246	for (split /,\s*/, $v->{meta}{depends}) {	1413	for (split /,\s*/, $v->{meta}{depends}) {
1247	goto skip	1414	next ext
1248	unless exists $done{$_};	1415	unless exists $done{$_};
1249	}	1416	}
1250		1417
1251	warn "... loading '$k' into '$v->{pkg}'\n";	1418	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1252		1419
1253	unless (eval $v->{source}) {	1420	my $active = eval $v->{source};
		1421
		1422	if (length $@) {
1254	my $msg = $@ ? "$v->{path}: $@\n"	1423	warn "$v->{path}: $@\n";
1255	: "$v->{base}: extension inactive.\n";
1256		1424
		1425	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1257	if (exists $v->{meta}{mandatory}) {	1426	if exists $v->{meta}{mandatory};
1258	warn $msg;	1427	} else {
1259	warn "mandatory extension failed to load, exiting.\n";	1428	$done{$k} = delete $todo{$k};
1260	exit 1;	1429	push @EXTS, $v->{pkg};
1261	}	1430	$progress = 1;
1262		1431
1263	warn $msg;	1432	warn "$v->{base}: extension inactive.\n"
		1433	unless $active;
1264	}	1434	}
1265
1266	$done{$k} = delete $todo{$k};
1267	push @EXTS, $v->{pkg};
1268	$progress = 1;
1269	}	1435	}
1270		1436
1271	skip:	1437	unless ($progress) {
1272	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1438	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1273	unless $progress;	1439
		1440	while (my ($k, $v) = each %todo) {
		1441	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1442	if exists $v->{meta}{mandatory};
		1443	}
		1444	}
1274	}	1445	}
1275	};	1446	};
1276	}	1447	}
1277		1448
1278	#############################################################################	1449	#############################################################################
1279		1450
1280	=back	1451	=back
1281		1452
1282	=head2 CORE EXTENSIONS	1453	=head2 CORE EXTENSIONS
1283		1454
1284	Functions and methods that extend core crossfire objects.	1455	Functions and methods that extend core deliantra objects.
1285		1456
1286	=cut	1457	=cut
1287		1458
1288	package cf::player;	1459	package cf::player;
1289		1460
…		…
1332		1503
1333	sub exists($) {	1504	sub exists($) {
1334	my ($login) = @_;	1505	my ($login) = @_;
1335		1506
1336	$cf::PLAYER{$login}	1507	$cf::PLAYER{$login}
1337	or cf::sync_job { !aio_stat path $login }	1508	or !aio_stat path $login
1338	}	1509	}
1339		1510
1340	sub find($) {	1511	sub find($) {
1341	return $cf::PLAYER{$_[0]} || do {	1512	return $cf::PLAYER{$_[0]} || do {
1342	my $login = $_[0];	1513	my $login = $_[0];
…		…
1352	aio_unlink +(playerdir $login) . "/$login.pl";	1523	aio_unlink +(playerdir $login) . "/$login.pl";
1353		1524
1354	my $f = new_from_file cf::object::thawer path $login	1525	my $f = new_from_file cf::object::thawer path $login
1355	or return;	1526	or return;
1356		1527
1357	$f->next;
1358	my $pl = cf::player::load_pl $f	1528	my $pl = cf::player::load_pl $f
1359	or return;	1529	or return;
		1530
1360	local $cf::PLAYER_LOADING{$login} = $pl;	1531	local $cf::PLAYER_LOADING{$login} = $pl;
1361	$f->resolve_delayed_derefs;	1532	$f->resolve_delayed_derefs;
1362	$cf::PLAYER{$login} = $pl	1533	$cf::PLAYER{$login} = $pl
1363	}	1534	}
1364	}	1535	}
…		…
1374		1545
1375	return if $pl->{deny_save};	1546	return if $pl->{deny_save};
1376		1547
1377	aio_mkdir playerdir $pl, 0770;	1548	aio_mkdir playerdir $pl, 0770;
1378	$pl->{last_save} = $cf::RUNTIME;	1549	$pl->{last_save} = $cf::RUNTIME;
		1550
		1551	cf::get_slot 0.01;
1379		1552
1380	$pl->save_pl ($path);	1553	$pl->save_pl ($path);
1381	cf::cede_to_tick;	1554	cf::cede_to_tick;
1382	}	1555	}
1383		1556
…		…
1415	my ($pl) = @_;	1588	my ($pl) = @_;
1416		1589
1417	my $name = $pl->ob->name;	1590	my $name = $pl->ob->name;
1418		1591
1419	$pl->{deny_save} = 1;	1592	$pl->{deny_save} = 1;
1420	$pl->password ("*"); # this should lock out the player until we nuked the dir	1593	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1421		1594
1422	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1595	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1423	$pl->deactivate;	1596	$pl->deactivate;
		1597	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1598	$pl->ob->check_score;
1424	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1599	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1425	$pl->ns->destroy if $pl->ns;	1600	$pl->ns->destroy if $pl->ns;
1426		1601
1427	my $path = playerdir $pl;	1602	my $path = playerdir $pl;
1428	my $temp = "$path~$cf::RUNTIME~deleting~";	1603	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1467		1642
1468	for my $login (@$dirs) {	1643	for my $login (@$dirs) {
1469	my $path = path $login;	1644	my $path = path $login;
1470		1645
1471	# a .pst is a dead give-away for a valid player	1646	# a .pst is a dead give-away for a valid player
1472	unless (-e "$path.pst") {	1647	# if no pst file found, open and chekc for blocked users
		1648	if (aio_stat "$path.pst") {
1473	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1649	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1474	aio_read $fh, 0, 512, my $buf, 0 or next;	1650	aio_read $fh, 0, 512, my $buf, 0 or next;
1475	$buf !~ /^password -------------$/m or next; # official not-valid tag	1651	$buf !~ /^password -------------$/m or next; # official not-valid tag
1476	}	1652	}
1477		1653
…		…
1508	}	1684	}
1509		1685
1510	\@paths	1686	\@paths
1511	}	1687	}
1512		1688
1513	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1689	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1514		1690
1515	Expand crossfire pod fragments into protocol xml.	1691	Expand deliantra pod fragments into protocol xml.
1516
1517	=cut
1518
1519	sub expand_cfpod {
1520	((my $self), (local $_)) = @_;
1521
1522	# escape & and <
1523	s/&/&amp;/g;
1524	s/(?<![BIUGHT])</&lt;/g;
1525
1526	# this is buggy, it needs to properly take care of nested <'s
1527
1528	1 while
1529	# replace B<>, I<>, U<> etc.
1530	s/B<([^\>]*)>/<b>$1<\/b>/
1531	|| s/I<([^\>]*)>/<i>$1<\/i>/
1532	|| s/U<([^\>]*)>/<u>$1<\/u>/
1533	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1534	# replace G<male|female> tags
1535	|| s{G<([^>|]*)\|([^>]*)>}{
1536	$self->gender ? $2 : $1
1537	}ge
1538	# replace H<hint text>
1539	|| s{H<([^\>]*)>}
1540	{
1541	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1542	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1543	"")
1544	[$self->{hintmode}]
1545	}ge;
1546
1547	# create single paragraphs (very hackish)
1548	s/(?<=\S)\n(?=\w)/ /g;
1549
1550	# compress some whitespace
1551	s/\s+\n/\n/g; # ws line-ends
1552	s/\n\n+/\n/g; # double lines
1553	s/^\n+//; # beginning lines
1554	s/\n+$//; # ending lines
1555
1556	$_
1557	}
1558
1559	sub hintmode {
1560	$_[0]{hintmode} = $_[1] if @_ > 1;
1561	$_[0]{hintmode}
1562	}
1563		1692
1564	=item $player->ext_reply ($msgid, @msg)	1693	=item $player->ext_reply ($msgid, @msg)
1565		1694
1566	Sends an ext reply to the player.	1695	Sends an ext reply to the player.
1567		1696
…		…
1634	our $MAX_RESET = 3600;	1763	our $MAX_RESET = 3600;
1635	our $DEFAULT_RESET = 3000;	1764	our $DEFAULT_RESET = 3000;
1636		1765
1637	sub generate_random_map {	1766	sub generate_random_map {
1638	my ($self, $rmp) = @_;	1767	my ($self, $rmp) = @_;
		1768
		1769	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1770
1639	# mit "rum" bekleckern, nicht	1771	# mit "rum" bekleckern, nicht
1640	$self->_create_random_map (	1772	$self->_create_random_map (
1641	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1773	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1642	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1774	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1643	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1775	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1644	$rmp->{exit_on_final_map},	1776	$rmp->{exit_on_final_map},
1645	$rmp->{xsize}, $rmp->{ysize},	1777	$rmp->{xsize}, $rmp->{ysize},
1646	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1778	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1647	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1779	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1765		1897
1766	# the temporary/swap location	1898	# the temporary/swap location
1767	sub save_path {	1899	sub save_path {
1768	my ($self) = @_;	1900	my ($self) = @_;
1769		1901
1770	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1902	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1771	"$TMPDIR/$path.map"	1903	"$TMPDIR/$path.map"
1772	}	1904	}
1773		1905
1774	# the unique path, undef == no special unique path	1906	# the unique path, undef == no special unique path
1775	sub uniq_path {	1907	sub uniq_path {
1776	my ($self) = @_;	1908	my ($self) = @_;
1777		1909
1778	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1910	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1779	"$UNIQUEDIR/$path"	1911	"$UNIQUEDIR/$path"
1780	}
1781
1782	# and all this just because we cannot iterate over
1783	# all maps in C++...
1784	sub change_all_map_light {
1785	my ($change) = @_;
1786
1787	$_->change_map_light ($change)
1788	for grep $_->outdoor, values %cf::MAP;
1789	}	1912	}
1790		1913
1791	sub decay_objects {	1914	sub decay_objects {
1792	my ($self) = @_;	1915	my ($self) = @_;
1793		1916
…		…
1877	sub find {	2000	sub find {
1878	my ($path, $origin) = @_;	2001	my ($path, $origin) = @_;
1879		2002
1880	$path = normalise $path, $origin && $origin->path;	2003	$path = normalise $path, $origin && $origin->path;
1881		2004
1882	cf::lock_wait "map_data:$path";#d#remove	2005	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1883	cf::lock_wait "map_find:$path";	2006	my $guard2 = cf::lock_acquire "map_find:$path";
1884		2007
1885	$cf::MAP{$path} || do {	2008	$cf::MAP{$path} || do {
1886	my $guard1 = cf::lock_acquire "map_find:$path";
1887	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1888
1889	my $map = new_from_path cf::map $path	2009	my $map = new_from_path cf::map $path
1890	or return;	2010	or return;
1891		2011
1892	$map->{last_save} = $cf::RUNTIME;	2012	$map->{last_save} = $cf::RUNTIME;
1893		2013
…		…
1895	or return;	2015	or return;
1896		2016
1897	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2017	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1898	# doing this can freeze the server in a sync job, obviously	2018	# doing this can freeze the server in a sync job, obviously
1899	#$cf::WAIT_FOR_TICK->wait;	2019	#$cf::WAIT_FOR_TICK->wait;
		2020	undef $guard2;
1900	undef $guard1;	2021	undef $guard1;
1901	undef $guard2;
1902	$map->reset;	2022	$map->reset;
1903	return find $path;	2023	return find $path;
1904	}	2024	}
1905		2025
1906	$cf::MAP{$path} = $map	2026	$cf::MAP{$path} = $map
1907	}	2027	}
1908	}	2028	}
1909		2029
1910	sub pre_load { }	2030	sub pre_load { }
1911	sub post_load { }	2031	#sub post_load { } # XS
1912		2032
1913	sub load {	2033	sub load {
1914	my ($self) = @_;	2034	my ($self) = @_;
1915		2035
1916	local $self->{deny_reset} = 1; # loading can take a long time	2036	local $self->{deny_reset} = 1; # loading can take a long time
…		…
1933	my $f = new_from_file cf::object::thawer $self->{load_path};	2053	my $f = new_from_file cf::object::thawer $self->{load_path};
1934	$f->skip_block;	2054	$f->skip_block;
1935	$self->_load_objects ($f)	2055	$self->_load_objects ($f)
1936	or return;	2056	or return;
1937		2057
1938	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2058	$self->post_load_original
1939	if delete $self->{load_original};	2059	if delete $self->{load_original};
1940		2060
1941	if (my $uniq = $self->uniq_path) {	2061	if (my $uniq = $self->uniq_path) {
1942	utf8::encode $uniq;	2062	utf8::encode $uniq;
1943	unless (aio_stat $uniq) {	2063	unless (aio_stat $uniq) {
…		…
1961	unless ($self->{deny_activate}) {	2081	unless ($self->{deny_activate}) {
1962	$self->decay_objects;	2082	$self->decay_objects;
1963	$self->fix_auto_apply;	2083	$self->fix_auto_apply;
1964	$self->update_buttons;	2084	$self->update_buttons;
1965	cf::cede_to_tick;	2085	cf::cede_to_tick;
1966	$self->set_darkness_map;
1967	cf::cede_to_tick;
1968	$self->activate;	2086	$self->activate;
1969	}	2087	}
1970		2088
1971	$self->{last_save} = $cf::RUNTIME;	2089	$self->{last_save} = $cf::RUNTIME;
1972	$self->last_access ($cf::RUNTIME);	2090	$self->last_access ($cf::RUNTIME);
1973		2091
1974	$self->in_memory (cf::MAP_IN_MEMORY);	2092	$self->in_memory (cf::MAP_ACTIVE);
1975	}	2093	}
1976		2094
1977	$self->post_load;	2095	$self->post_load;
1978	}	2096	}
1979		2097
		2098	# customize the map for a given player, i.e.
		2099	# return the _real_ map. used by e.g. per-player
		2100	# maps to change the path to ~playername/mappath
1980	sub customise_for {	2101	sub customise_for {
1981	my ($self, $ob) = @_;	2102	my ($self, $ob) = @_;
1982		2103
1983	return find "~" . $ob->name . "/" . $self->{path}	2104	return find "~" . $ob->name . "/" . $self->{path}
1984	if $self->per_player;	2105	if $self->per_player;
…		…
2037	my ($path, $origin, $load) = @_;	2158	my ($path, $origin, $load) = @_;
2038		2159
2039	$path = normalise $path, $origin && $origin->{path};	2160	$path = normalise $path, $origin && $origin->{path};
2040		2161
2041	if (my $map = $cf::MAP{$path}) {	2162	if (my $map = $cf::MAP{$path}) {
2042	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2163	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2043	}	2164	}
2044		2165
2045	$MAP_PREFETCH{$path} |= $load;	2166	$MAP_PREFETCH{$path} |= $load;
2046		2167
2047	$MAP_PREFETCHER ||= cf::async {	2168	$MAP_PREFETCHER ||= cf::async {
		2169	$Coro::current->{desc} = "map prefetcher";
		2170
2048	while (%MAP_PREFETCH) {	2171	while (%MAP_PREFETCH) {
2049	while (my ($k, $v) = each %MAP_PREFETCH) {	2172	while (my ($k, $v) = each %MAP_PREFETCH) {
2050	if (my $map = find $k) {	2173	if (my $map = find $k) {
2051	$map->load if $v;	2174	$map->load if $v;
2052	}	2175	}
…		…
2078	return if $self->{deny_save};	2201	return if $self->{deny_save};
2079		2202
2080	local $self->{last_access} = $self->last_access;#d#	2203	local $self->{last_access} = $self->last_access;#d#
2081		2204
2082	cf::async {	2205	cf::async {
		2206	$Coro::current->{desc} = "map player save";
2083	$_->contr->save for $self->players;	2207	$_->contr->save for $self->players;
2084	};	2208	};
		2209
		2210	cf::get_slot 0.02;
2085		2211
2086	if ($uniq) {	2212	if ($uniq) {
2087	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2213	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2088	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2214	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2089	} else {	2215	} else {
…		…
2098	$self->save;	2224	$self->save;
2099		2225
2100	my $lock = cf::lock_acquire "map_data:$self->{path}";	2226	my $lock = cf::lock_acquire "map_data:$self->{path}";
2101		2227
2102	return if $self->players;	2228	return if $self->players;
2103	return if $self->in_memory != cf::MAP_IN_MEMORY;	2229	return if $self->in_memory != cf::MAP_ACTIVE;
2104	return if $self->{deny_save};	2230	return if $self->{deny_save};
2105		2231
2106	$self->in_memory (cf::MAP_SWAPPED);	2232	$self->in_memory (cf::MAP_SWAPPED);
2107		2233
2108	$self->deactivate;	2234	$self->deactivate;
…		…
2133		2259
2134	my $lock = cf::lock_acquire "map_data:$self->{path}";	2260	my $lock = cf::lock_acquire "map_data:$self->{path}";
2135		2261
2136	return if $self->players;	2262	return if $self->players;
2137		2263
2138	warn "resetting map ", $self->path;	2264	warn "resetting map ", $self->path, "\n";
2139		2265
2140	$self->in_memory (cf::MAP_SWAPPED);	2266	$self->in_memory (cf::MAP_SWAPPED);
2141		2267
2142	# need to save uniques path	2268	# need to save uniques path
2143	unless ($self->{deny_save}) {	2269	unless ($self->{deny_save}) {
…		…
2226		2352
2227	sub unique_maps() {	2353	sub unique_maps() {
2228	[	2354	[
2229	map {	2355	map {
2230	utf8::decode $_;	2356	utf8::decode $_;
2231	/\.map$/	2357	s/\.map$//; # TODO future compatibility hack
		2358	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2359	? ()
2232	? normalise $_	2360	: normalise $_
2233	: ()
2234	} @{ aio_readdir $UNIQUEDIR or [] }	2361	} @{ aio_readdir $UNIQUEDIR or [] }
2235	]	2362	]
2236	}	2363	}
2237		2364
2238	package cf;	2365	=item cf::map::static_maps
		2366
		2367	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2368	file in the shared directory excluding F</styles> and F</editor>). May
		2369	block.
		2370
		2371	=cut
		2372
		2373	sub static_maps() {
		2374	my @dirs = "";
		2375	my @maps;
		2376
		2377	while (@dirs) {
		2378	my $dir = shift @dirs;
		2379
		2380	next if $dir eq "/styles" || $dir eq "/editor";
		2381
		2382	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2383	or return;
		2384
		2385	for (@$files) {
		2386	s/\.map$// or next;
		2387	utf8::decode $_;
		2388	push @maps, "$dir/$_";
		2389	}
		2390
		2391	push @dirs, map "$dir/$_", @$dirs;
		2392	}
		2393
		2394	\@maps
		2395	}
2239		2396
2240	=back	2397	=back
2241		2398
2242	=head3 cf::object	2399	=head3 cf::object
2243		2400
…		…
2247		2404
2248	=over 4	2405	=over 4
2249		2406
2250	=item $ob->inv_recursive	2407	=item $ob->inv_recursive
2251		2408
2252	Returns the inventory of the object _and_ their inventories, recursively.	2409	Returns the inventory of the object I<and> their inventories, recursively,
		2410	but I<not> the object itself.
2253		2411
2254	=cut	2412	=cut
2255		2413
2256	sub inv_recursive_;	2414	sub inv_recursive_;
2257	sub inv_recursive_ {	2415	sub inv_recursive_ {
…		…
2262	inv_recursive_ inv $_[0]	2420	inv_recursive_ inv $_[0]
2263	}	2421	}
2264		2422
2265	=item $ref = $ob->ref	2423	=item $ref = $ob->ref
2266		2424
2267	creates and returns a persistent reference to an objetc that can be stored as a string.	2425	Creates and returns a persistent reference to an object that can be stored as a string.
2268		2426
2269	=item $ob = cf::object::deref ($refstring)	2427	=item $ob = cf::object::deref ($refstring)
2270		2428
2271	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2429	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2272	even if the object actually exists. May block.	2430	even if the object actually exists. May block.
…		…
2274	=cut	2432	=cut
2275		2433
2276	sub deref {	2434	sub deref {
2277	my ($ref) = @_;	2435	my ($ref) = @_;
2278		2436
2279	# temporary compatibility#TODO#remove
2280	$ref =~ s{^<}{player/<};
2281
2282	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {	2437	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2283	my ($uuid, $name) = ($1, $2);	2438	my ($uuid, $name) = ($1, $2);
2284	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name	2439	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2285	or return;	2440	or return;
2286	$pl->ob->uuid eq $uuid	2441	$pl->ob->uuid eq $uuid
2287	or return;	2442	or return;
…		…
2307	can be C<undef>. Does the right thing when the player is currently in a	2462	can be C<undef>. Does the right thing when the player is currently in a
2308	dialogue with the given NPC character.	2463	dialogue with the given NPC character.
2309		2464
2310	=cut	2465	=cut
2311		2466
		2467	our $SAY_CHANNEL = {
		2468	id => "say",
		2469	title => "Map",
		2470	reply => "say ",
		2471	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2472	};
		2473
		2474	our $CHAT_CHANNEL = {
		2475	id => "chat",
		2476	title => "Chat",
		2477	reply => "chat ",
		2478	tooltip => "Player chat and shouts, global to the server.",
		2479	};
		2480
2312	# rough implementation of a future "reply" method that works	2481	# rough implementation of a future "reply" method that works
2313	# with dialog boxes.	2482	# with dialog boxes.
2314	#TODO: the first argument must go, split into a $npc->reply_to ( method	2483	#TODO: the first argument must go, split into a $npc->reply_to ( method
2315	sub cf::object::player::reply($$$;$) {	2484	sub cf::object::player::reply($$$;$) {
2316	my ($self, $npc, $msg, $flags) = @_;	2485	my ($self, $npc, $msg, $flags) = @_;
…		…
2327	my $dialog = $pl->{npc_dialog};	2496	my $dialog = $pl->{npc_dialog};
2328	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2497	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2329		2498
2330	} else {	2499	} else {
2331	$msg = $npc->name . " says: $msg" if $npc;	2500	$msg = $npc->name . " says: $msg" if $npc;
2332	$self->message ($msg, $flags);	2501	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2333	}	2502	}
2334	}	2503	}
2335	}	2504	}
2336		2505
2337	=item $object->send_msg ($channel, $msg, $color, [extra...])	2506	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2362		2531
2363	=item $player_object->enter_link	2532	=item $player_object->enter_link
2364		2533
2365	Freezes the player and moves him/her to a special map (C<{link}>).	2534	Freezes the player and moves him/her to a special map (C<{link}>).
2366		2535
2367	The player should be reasonably safe there for short amounts of time. You	2536	The player should be reasonably safe there for short amounts of time (e.g.
2368	I<MUST> call C<leave_link> as soon as possible, though.	2537	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2538	though, as the palyer cannot control the character while it is on the link
		2539	map.
2369		2540
2370	Will never block.	2541	Will never block.
2371		2542
2372	=item $player_object->leave_link ($map, $x, $y)	2543	=item $player_object->leave_link ($map, $x, $y)
2373		2544
…		…
2425	($x, $y) = (-1, -1)	2596	($x, $y) = (-1, -1)
2426	unless (defined $x) && (defined $y);	2597	unless (defined $x) && (defined $y);
2427		2598
2428	# use -1 or undef as default coordinates, not 0, 0	2599	# use -1 or undef as default coordinates, not 0, 0
2429	($x, $y) = ($map->enter_x, $map->enter_y)	2600	($x, $y) = ($map->enter_x, $map->enter_y)
2430	if $x <=0 && $y <= 0;	2601	if $x <= 0 && $y <= 0;
2431		2602
2432	$map->load;	2603	$map->load;
2433	$map->load_neighbours;	2604	$map->load_neighbours;
2434		2605
2435	return unless $self->contr->active;	2606	return unless $self->contr->active;
2436	$self->activate_recursive;
2437		2607
2438	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2608	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2439	$self->enter_map ($map, $x, $y);	2609	$self->enter_map ($map, $x, $y);
		2610
		2611	# only activate afterwards, to support waiting in hooks
		2612	$self->activate_recursive;
2440	}	2613	}
2441		2614
2442	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2615	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2443		2616
2444	Moves the player to the given map-path and coordinates by first freezing	2617	Moves the player to the given map-path and coordinates by first freezing
2445	her, loading and preparing them map, calling the provided $check callback	2618	her, loading and preparing them map, calling the provided $check callback
2446	that has to return the map if sucecssful, and then unfreezes the player on	2619	that has to return the map if sucecssful, and then unfreezes the player on
2447	the new (success) or old (failed) map position. In either case, $done will	2620	the new (success) or old (failed) map position. In either case, $done will
2448	be called at the end of this process.	2621	be called at the end of this process.
2449		2622
		2623	Note that $check will be called with a potentially non-loaded map, so if
		2624	it needs a loaded map it has to call C<< ->load >>.
		2625
2450	=cut	2626	=cut
2451		2627
2452	our $GOTOGEN;	2628	our $GOTOGEN;
2453		2629
2454	sub cf::object::player::goto {	2630	sub cf::object::player::goto {
…		…
2458	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2634	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2459		2635
2460	$self->enter_link;	2636	$self->enter_link;
2461		2637
2462	(async {	2638	(async {
		2639	$Coro::current->{desc} = "player::goto $path $x $y";
		2640
2463	# *tag paths override both path and x|y	2641	# *tag paths override both path and x|y
2464	if ($path =~ /^\*(.*)$/) {	2642	if ($path =~ /^\*(.*)$/) {
2465	if (my @obs = grep $_->map, ext::map_tags::find $1) {	2643	if (my @obs = grep $_->map, ext::map_tags::find $1) {
2466	my $ob = $obs[rand @obs];	2644	my $ob = $obs[rand @obs];
2467		2645
2468	# see if we actually can go there	2646	# see if we actually can go there
2469	# todo: use ob_blocked to check all tiles of the destination "object"	2647	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2470	# for suitability.	2648	$ob = $obs[rand @obs];
		2649	} else {
		2650	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2651	}
		2652	# else put us there anyways for now #d#
2471		2653
2472	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);	2654	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2655	} else {
		2656	($path, $x, $y) = (undef, undef, undef);
2473	}	2657	}
2474	}	2658	}
2475		2659
2476	my $map = eval {	2660	my $map = eval {
2477	my $map = cf::map::find $path;	2661	my $map = defined $path ? cf::map::find $path : undef;
2478		2662
2479	if ($map) {	2663	if ($map) {
2480	$map = $map->customise_for ($self);	2664	$map = $map->customise_for ($self);
2481	$map = $check->($map) if $check && $map;	2665	$map = $check->($map) if $check && $map;
2482	} else {	2666	} else {
2483	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2667	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2484	}	2668	}
2485		2669
2486	$map	2670	$map
2487	};	2671	};
2488		2672
…		…
2524	}	2708	}
2525		2709
2526	sub prepare_random_map {	2710	sub prepare_random_map {
2527	my ($exit) = @_;	2711	my ($exit) = @_;
2528		2712
2529	my $guard = cf::lock_acquire "exit_prepare:$exit";
2530
2531	# all this does is basically replace the /! path by	2713	# all this does is basically replace the /! path by
2532	# a new random map path (?random/...) with a seed	2714	# a new random map path (?random/...) with a seed
2533	# that depends on the exit object	2715	# that depends on the exit object
2534		2716
2535	my $rmp = parse_random_map_params $exit->msg;	2717	my $rmp = parse_random_map_params $exit->msg;
…		…
2537	if ($exit->map) {	2719	if ($exit->map) {
2538	$rmp->{region} = $exit->region->name;	2720	$rmp->{region} = $exit->region->name;
2539	$rmp->{origin_map} = $exit->map->path;	2721	$rmp->{origin_map} = $exit->map->path;
2540	$rmp->{origin_x} = $exit->x;	2722	$rmp->{origin_x} = $exit->x;
2541	$rmp->{origin_y} = $exit->y;	2723	$rmp->{origin_y} = $exit->y;
		2724
		2725	$exit->map->touch;
2542	}	2726	}
2543		2727
2544	$rmp->{random_seed} ||= $exit->random_seed;	2728	$rmp->{random_seed} ||= $exit->random_seed;
2545		2729
2546	my $data = cf::to_json $rmp;	2730	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2547	my $md5 = Digest::MD5::md5_hex $data;	2731	my $md5 = Digest::MD5::md5_hex $data;
2548	my $meta = "$RANDOMDIR/$md5.meta";	2732	my $meta = "$RANDOMDIR/$md5.meta";
2549		2733
2550	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2734	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2551	aio_write $fh, 0, (length $data), $data, 0;	2735	aio_write $fh, 0, (length $data), $data, 0;
2552	undef $fh;	2736	undef $fh;
2553	aio_rename "$meta~", $meta;	2737	aio_rename "$meta~", $meta;
2554		2738
		2739	my $slaying = "?random/$md5";
		2740
		2741	if ($exit->valid) {
2555	$exit->slaying ("?random/$md5");	2742	$exit->slaying ("?random/$md5");
2556	$exit->msg (undef);	2743	$exit->msg (undef);
		2744	}
2557	}	2745	}
2558	}	2746	}
2559		2747
2560	sub cf::object::player::enter_exit {	2748	sub cf::object::player::enter_exit {
2561	my ($self, $exit) = @_;	2749	my ($self, $exit) = @_;
2562		2750
2563	return unless $self->type == cf::PLAYER;	2751	return unless $self->type == cf::PLAYER;
2564		2752
2565	if ($exit->slaying eq "/!") {
2566	#TODO: this should de-fi-ni-te-ly not be a sync-job
2567	# the problem is that $exit might not survive long enough
2568	# so it needs to be done right now, right here
2569	cf::sync_job { prepare_random_map $exit };
2570	}
2571
2572	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2573	my $hp = $exit->stats->hp;
2574	my $sp = $exit->stats->sp;
2575
2576	$self->enter_link;	2753	$self->enter_link;
2577		2754
2578	# if exit is damned, update players death & WoR home-position
2579	$self->contr->savebed ($slaying, $hp, $sp)
2580	if $exit->flag (FLAG_DAMNED);
2581
2582	(async {	2755	(async {
2583	$self->deactivate_recursive; # just to be sure	2756	$Coro::current->{desc} = "enter_exit";
		2757
2584	unless (eval {	2758	unless (eval {
		2759	$self->deactivate_recursive; # just to be sure
		2760
		2761	# random map handling
		2762	{
		2763	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2764
		2765	prepare_random_map $exit
		2766	if $exit->slaying eq "/!";
		2767	}
		2768
		2769	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2770	my $x = $exit->stats->hp;
		2771	my $y = $exit->stats->sp;
		2772
2585	$self->goto ($slaying, $hp, $sp);	2773	$self->goto ($map, $x, $y);
2586		2774
		2775	# if exit is damned, update players death & WoR home-position
		2776	$self->contr->savebed ($map, $x, $y)
		2777	if $exit->flag (cf::FLAG_DAMNED);
		2778
2587	1;	2779	1
2588	}) {	2780	}) {
2589	$self->message ("Something went wrong deep within the crossfire server. "	2781	$self->message ("Something went wrong deep within the deliantra server. "
2590	. "I'll try to bring you back to the map you were before. "	2782	. "I'll try to bring you back to the map you were before. "
2591	. "Please report this to the dungeon master!",	2783	. "Please report this to the dungeon master!",
2592	cf::NDI_UNIQUE | cf::NDI_RED);	2784	cf::NDI_UNIQUE | cf::NDI_RED);
2593		2785
2594	warn "ERROR in enter_exit: $@";	2786	warn "ERROR in enter_exit: $@";
…		…
2611	sub cf::client::send_drawinfo {	2803	sub cf::client::send_drawinfo {
2612	my ($self, $text, $flags) = @_;	2804	my ($self, $text, $flags) = @_;
2613		2805
2614	utf8::encode $text;	2806	utf8::encode $text;
2615	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2807	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2808	}
		2809
		2810	=item $client->send_big_packet ($pkt)
		2811
		2812	Like C<send_packet>, but tries to compress large packets, and fragments
		2813	them as required.
		2814
		2815	=cut
		2816
		2817	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2818
		2819	sub cf::client::send_big_packet {
		2820	my ($self, $pkt) = @_;
		2821
		2822	# try lzf for large packets
		2823	$pkt = "lzf " . Compress::LZF::compress $pkt
		2824	if 1024 <= length $pkt and $self->{can_lzf};
		2825
		2826	# split very large packets
		2827	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2828	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2829	$pkt = "frag";
		2830	}
		2831
		2832	$self->send_packet ($pkt);
2616	}	2833	}
2617		2834
2618	=item $client->send_msg ($channel, $msg, $color, [extra...])	2835	=item $client->send_msg ($channel, $msg, $color, [extra...])
2619		2836
2620	Send a drawinfo or msg packet to the client, formatting the msg for the	2837	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2622	the message, with C<log> being the default. If C<$color> is negative, suppress	2839	the message, with C<log> being the default. If C<$color> is negative, suppress
2623	the message unless the client supports the msg packet.	2840	the message unless the client supports the msg packet.
2624		2841
2625	=cut	2842	=cut
2626		2843
		2844	# non-persistent channels (usually the info channel)
2627	our %CHANNEL = (	2845	our %CHANNEL = (
		2846	"c/motd" => {
		2847	id => "infobox",
		2848	title => "MOTD",
		2849	reply => undef,
		2850	tooltip => "The message of the day",
		2851	},
2628	"c/identify" => {	2852	"c/identify" => {
2629	id => "identify",	2853	id => "infobox",
2630	title => "Identify",	2854	title => "Identify",
2631	reply => undef,	2855	reply => undef,
2632	tooltip => "Items recently identified",	2856	tooltip => "Items recently identified",
2633	},	2857	},
2634	"c/examine" => {	2858	"c/examine" => {
2635	id => "examine",	2859	id => "infobox",
2636	title => "Examine",	2860	title => "Examine",
2637	reply => undef,	2861	reply => undef,
2638	tooltip => "Signs and other items you examined",	2862	tooltip => "Signs and other items you examined",
2639	},	2863	},
		2864	"c/shopinfo" => {
		2865	id => "infobox",
		2866	title => "Shop Info",
		2867	reply => undef,
		2868	tooltip => "What your bargaining skill tells you about the shop",
		2869	},
		2870	"c/book" => {
		2871	id => "infobox",
		2872	title => "Book",
		2873	reply => undef,
		2874	tooltip => "The contents of a note or book",
		2875	},
		2876	"c/lookat" => {
		2877	id => "infobox",
		2878	title => "Look",
		2879	reply => undef,
		2880	tooltip => "What you saw there",
		2881	},
		2882	"c/who" => {
		2883	id => "infobox",
		2884	title => "Players",
		2885	reply => undef,
		2886	tooltip => "Shows players who are currently online",
		2887	},
		2888	"c/body" => {
		2889	id => "infobox",
		2890	title => "Body Parts",
		2891	reply => undef,
		2892	tooltip => "Shows which body parts you posess and are available",
		2893	},
		2894	"c/statistics" => {
		2895	id => "infobox",
		2896	title => "Statistics",
		2897	reply => undef,
		2898	tooltip => "Shows your primary statistics",
		2899	},
		2900	"c/skills" => {
		2901	id => "infobox",
		2902	title => "Skills",
		2903	reply => undef,
		2904	tooltip => "Shows your experience per skill and item power",
		2905	},
		2906	"c/shopitems" => {
		2907	id => "infobox",
		2908	title => "Shop Items",
		2909	reply => undef,
		2910	tooltip => "Shows the items currently for sale in this shop",
		2911	},
		2912	"c/resistances" => {
		2913	id => "infobox",
		2914	title => "Resistances",
		2915	reply => undef,
		2916	tooltip => "Shows your resistances",
		2917	},
		2918	"c/pets" => {
		2919	id => "infobox",
		2920	title => "Pets",
		2921	reply => undef,
		2922	tooltip => "Shows information abotu your pets/a specific pet",
		2923	},
		2924	"c/perceiveself" => {
		2925	id => "infobox",
		2926	title => "Perceive Self",
		2927	reply => undef,
		2928	tooltip => "You gained detailed knowledge about yourself",
		2929	},
		2930	"c/uptime" => {
		2931	id => "infobox",
		2932	title => "Uptime",
		2933	reply => undef,
		2934	tooltip => "How long the server has been running since last restart",
		2935	},
		2936	"c/mapinfo" => {
		2937	id => "infobox",
		2938	title => "Map Info",
		2939	reply => undef,
		2940	tooltip => "Information related to the maps",
		2941	},
		2942	"c/party" => {
		2943	id => "party",
		2944	title => "Party",
		2945	reply => "gsay ",
		2946	tooltip => "Messages and chat related to your party",
		2947	},
		2948	"c/death" => {
		2949	id => "death",
		2950	title => "Death",
		2951	reply => undef,
		2952	tooltip => "Reason for and more info about your most recent death",
		2953	},
		2954	"c/say" => $SAY_CHANNEL,
		2955	"c/chat" => $CHAT_CHANNEL,
2640	);	2956	);
2641		2957
2642	sub cf::client::send_msg {	2958	sub cf::client::send_msg {
2643	my ($self, $channel, $msg, $color, @extra) = @_;	2959	my ($self, $channel, $msg, $color, @extra) = @_;
2644		2960
2645	$msg = $self->pl->expand_cfpod ($msg);	2961	$msg = $self->pl->expand_cfpod ($msg)
		2962	unless $color & cf::NDI_VERBATIM;
2646		2963
2647	$color &= cf::NDI_CLIENT_MASK; # just in case...	2964	$color &= cf::NDI_CLIENT_MASK; # just in case...
2648		2965
2649	# check predefined channels, for the benefit of C	2966	# check predefined channels, for the benefit of C
2650	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};	2967	if ($CHANNEL{$channel}) {
		2968	$channel = $CHANNEL{$channel};
2651		2969
		2970	$self->ext_msg (channel_info => $channel);
		2971	$channel = $channel->{id};
		2972
2652	if (ref $channel) {	2973	} elsif (ref $channel) {
2653	# send meta info to client, if not yet sent	2974	# send meta info to client, if not yet sent
2654	unless (exists $self->{channel}{$channel->{id}}) {	2975	unless (exists $self->{channel}{$channel->{id}}) {
2655	$self->{channel}{$channel->{id}} = $channel;	2976	$self->{channel}{$channel->{id}} = $channel;
2656	$self->ext_msg (channel_info => $channel)	2977	$self->ext_msg (channel_info => $channel);
2657	if $self->can_msg;
2658	}	2978	}
2659		2979
2660	$channel = $channel->{id};	2980	$channel = $channel->{id};
2661	}	2981	}
2662		2982
2663	return unless @extra || length $msg;	2983	return unless @extra || length $msg;
2664		2984
2665	if ($self->can_msg) {
2666	# default colour, mask it out	2985	# default colour, mask it out
2667	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2986	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2668	if $color & cf::NDI_DEF;	2987	if $color & cf::NDI_DEF;
2669		2988
2670	$self->send_packet ("msg " . $self->{json_coder}->encode (	2989	my $pkt = "msg "
		2990	. $self->{json_coder}->encode (
2671	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2991	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2672	} else {	2992	);
2673	if ($color >= 0) {
2674	# replace some tags by gcfclient-compatible ones
2675	for ($msg) {
2676	1 while
2677	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2678	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2679	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2680	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2681	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2682	}
2683		2993
2684	$color &= cf::NDI_COLOR_MASK;	2994	$self->send_big_packet ($pkt);
2685
2686	utf8::encode $msg;
2687
2688	if (0 && $msg =~ /\[/) {
2689	# COMMAND/INFO
2690	$self->send_packet ("drawextinfo $color 10 8 $msg")
2691	} else {
2692	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2693	$self->send_packet ("drawinfo $color $msg")
2694	}
2695	}
2696	}
2697	}	2995	}
2698		2996
2699	=item $client->ext_msg ($type, @msg)	2997	=item $client->ext_msg ($type, @msg)
2700		2998
2701	Sends an ext event to the client.	2999	Sends an ext event to the client.
…		…
2704		3002
2705	sub cf::client::ext_msg($$@) {	3003	sub cf::client::ext_msg($$@) {
2706	my ($self, $type, @msg) = @_;	3004	my ($self, $type, @msg) = @_;
2707		3005
2708	if ($self->extcmd == 2) {	3006	if ($self->extcmd == 2) {
2709	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3007	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2710	} elsif ($self->extcmd == 1) { # TODO: remove	3008	} elsif ($self->extcmd == 1) { # TODO: remove
2711	push @msg, msgtype => "event_$type";	3009	push @msg, msgtype => "event_$type";
2712	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3010	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2713	}	3011	}
2714	}	3012	}
2715		3013
2716	=item $client->ext_reply ($msgid, @msg)	3014	=item $client->ext_reply ($msgid, @msg)
2717		3015
…		…
2721		3019
2722	sub cf::client::ext_reply($$@) {	3020	sub cf::client::ext_reply($$@) {
2723	my ($self, $id, @msg) = @_;	3021	my ($self, $id, @msg) = @_;
2724		3022
2725	if ($self->extcmd == 2) {	3023	if ($self->extcmd == 2) {
2726	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3024	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2727	} elsif ($self->extcmd == 1) {	3025	} elsif ($self->extcmd == 1) {
2728	#TODO: version 1, remove	3026	#TODO: version 1, remove
2729	unshift @msg, msgtype => "reply", msgid => $id;	3027	unshift @msg, msgtype => "reply", msgid => $id;
2730	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3028	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2731	}	3029	}
2732	}	3030	}
2733		3031
2734	=item $success = $client->query ($flags, "text", \&cb)	3032	=item $success = $client->query ($flags, "text", \&cb)
2735		3033
…		…
2862	our $safe_hole = new Safe::Hole;	3160	our $safe_hole = new Safe::Hole;
2863		3161
2864	$SIG{FPE} = 'IGNORE';	3162	$SIG{FPE} = 'IGNORE';
2865		3163
2866	$safe->permit_only (Opcode::opset qw(	3164	$safe->permit_only (Opcode::opset qw(
2867	:base_core :base_mem :base_orig :base_math	3165	:base_core :base_mem :base_orig :base_math :base_loop
2868	grepstart grepwhile mapstart mapwhile	3166	grepstart grepwhile mapstart mapwhile
2869	sort time	3167	sort time
2870	));	3168	));
2871		3169
2872	# here we export the classes and methods available to script code	3170	# here we export the classes and methods available to script code
…		…
2874	=pod	3172	=pod
2875		3173
2876	The following functions and methods are available within a safe environment:	3174	The following functions and methods are available within a safe environment:
2877		3175
2878	cf::object	3176	cf::object
2879	contr pay_amount pay_player map x y force_find force_add	3177	contr pay_amount pay_player map x y force_find force_add destroy
2880	insert remove name archname title slaying race decrease_ob_nr	3178	insert remove name archname title slaying race decrease split
		3179	value
2881		3180
2882	cf::object::player	3181	cf::object::player
2883	player	3182	player
2884		3183
2885	cf::player	3184	cf::player
…		…
2890		3189
2891	=cut	3190	=cut
2892		3191
2893	for (	3192	for (
2894	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3193	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2895	insert remove inv name archname title slaying race	3194	insert remove inv nrof name archname title slaying race
2896	decrease_ob_nr)],	3195	decrease split destroy change_exp value msg lore send_msg)],
2897	["cf::object::player" => qw(player)],	3196	["cf::object::player" => qw(player)],
2898	["cf::player" => qw(peaceful)],	3197	["cf::player" => qw(peaceful send_msg)],
2899	["cf::map" => qw(trigger)],	3198	["cf::map" => qw(trigger)],
2900	) {	3199	) {
2901	no strict 'refs';	3200	no strict 'refs';
2902	my ($pkg, @funs) = @$_;	3201	my ($pkg, @funs) = @$_;
2903	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3202	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2921		3220
2922	my $qcode = $code;	3221	my $qcode = $code;
2923	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3222	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2924	$qcode =~ s/\n/\\n/g;	3223	$qcode =~ s/\n/\\n/g;
2925		3224
		3225	%vars = (_dummy => 0) unless %vars;
		3226
		3227	my @res;
2926	local $_;	3228	local $_;
2927	local @safe::cf::_safe_eval_args = values %vars;
2928		3229
2929	my $eval =	3230	my $eval =
2930	"do {\n"	3231	"do {\n"
2931	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3232	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2932	. "#line 0 \"{$qcode}\"\n"	3233	. "#line 0 \"{$qcode}\"\n"
2933	. $code	3234	. $code
2934	. "\n}"	3235	. "\n}"
2935	;	3236	;
2936		3237
		3238	if ($CFG{safe_eval}) {
2937	sub_generation_inc;	3239	sub_generation_inc;
		3240	local @safe::cf::_safe_eval_args = values %vars;
2938	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3241	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2939	sub_generation_inc;	3242	sub_generation_inc;
		3243	} else {
		3244	local @cf::_safe_eval_args = values %vars;
		3245	@res = wantarray ? eval eval : scalar eval $eval;
		3246	}
2940		3247
2941	if ($@) {	3248	if ($@) {
2942	warn "$@";	3249	warn "$@";
2943	warn "while executing safe code '$code'\n";	3250	warn "while executing safe code '$code'\n";
2944	warn "with arguments " . (join " ", %vars) . "\n";	3251	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2963	=cut	3270	=cut
2964		3271
2965	sub register_script_function {	3272	sub register_script_function {
2966	my ($fun, $cb) = @_;	3273	my ($fun, $cb) = @_;
2967		3274
2968	no strict 'refs';	3275	$fun = "safe::$fun" if $CFG{safe_eval};
2969	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3276	*$fun = $safe_hole->wrap ($cb);
2970	}	3277	}
2971		3278
2972	=back	3279	=back
2973		3280
2974	=cut	3281	=cut
…		…
2995		3302
2996	$facedata->{version} == 2	3303	$facedata->{version} == 2
2997	or cf::cleanup "$path: version mismatch, cannot proceed.";	3304	or cf::cleanup "$path: version mismatch, cannot proceed.";
2998		3305
2999	# patch in the exptable	3306	# patch in the exptable
		3307	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3000	$facedata->{resource}{"res/exp_table"} = {	3308	$facedata->{resource}{"res/exp_table"} = {
3001	type => FT_RSRC,	3309	type => FT_RSRC,
3002	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3310	data => $exp_table,
		3311	hash => (Digest::MD5::md5 $exp_table),
3003	};	3312	};
3004	cf::cede_to_tick;	3313	cf::cede_to_tick;
3005		3314
3006	{	3315	{
3007	my $faces = $facedata->{faceinfo};	3316	my $faces = $facedata->{faceinfo};
3008		3317
3009	while (my ($face, $info) = each %$faces) {	3318	while (my ($face, $info) = each %$faces) {
3010	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3319	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3320
3011	cf::face::set_visibility $idx, $info->{visibility};	3321	cf::face::set_visibility $idx, $info->{visibility};
3012	cf::face::set_magicmap $idx, $info->{magicmap};	3322	cf::face::set_magicmap $idx, $info->{magicmap};
3013	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3323	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3014	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3324	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
3015		3325
3016	cf::cede_to_tick;	3326	cf::cede_to_tick;
3017	}	3327	}
3018		3328
3019	while (my ($face, $info) = each %$faces) {	3329	while (my ($face, $info) = each %$faces) {
3020	next unless $info->{smooth};	3330	next unless $info->{smooth};
		3331
3021	my $idx = cf::face::find $face	3332	my $idx = cf::face::find $face
3022	or next;	3333	or next;
		3334
3023	if (my $smooth = cf::face::find $info->{smooth}) {	3335	if (my $smooth = cf::face::find $info->{smooth}) {
3024	cf::face::set_smooth $idx, $smooth;	3336	cf::face::set_smooth $idx, $smooth;
3025	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3337	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3026	} else {	3338	} else {
3027	warn "smooth face '$info->{smooth}' not found for face '$face'";	3339	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
3041		3353
3042	cf::anim::invalidate_all; # d'oh	3354	cf::anim::invalidate_all; # d'oh
3043	}	3355	}
3044		3356
3045	{	3357	{
3046	# TODO: for gcfclient pleasure, we should give resources
3047	# that gcfclient doesn't grok a >10000 face index.
3048	my $res = $facedata->{resource};	3358	my $res = $facedata->{resource};
3049		3359
3050	my $soundconf = delete $res->{"res/sound.conf"};
3051
3052	while (my ($name, $info) = each %$res) {	3360	while (my ($name, $info) = each %$res) {
		3361	if (defined $info->{type}) {
3053	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3362	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3054	my $data;
3055		3363
3056	if ($info->{type} & 1) {	3364	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3057	# prepend meta info	3365	cf::face::set_type $idx, $info->{type};
3058
3059	my $meta = $enc->encode ({
3060	name => $name,
3061	%{ $info->{meta} || {} },
3062	});
3063
3064	$data = pack "(w/a*)*", $meta, $info->{data};
3065	} else {	3366	} else {
3066	$data = $info->{data};	3367	$RESOURCE{$name} = $info;
3067	}	3368	}
3068		3369
3069	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3070	cf::face::set_type $idx, $info->{type};
3071
3072	cf::cede_to_tick;	3370	cf::cede_to_tick;
3073	}	3371	}
3074
3075	if ($soundconf) {
3076	$soundconf = $enc->decode (delete $soundconf->{data});
3077
3078	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3079	my $sound = $soundconf->{compat}[$_]
3080	or next;
3081
3082	my $face = cf::face::find "sound/$sound->[1]";
3083	cf::sound::set $sound->[0] => $face;
3084	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3085	}
3086
3087	while (my ($k, $v) = each %{$soundconf->{event}}) {
3088	my $face = cf::face::find "sound/$v";
3089	cf::sound::set $k => $face;
3090	}
3091	}
3092	}	3372	}
		3373
		3374	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3093		3375
3094	1	3376	1
3095	}	3377	}
		3378
		3379	cf::global->attach (on_resource_update => sub {
		3380	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3381	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3382
		3383	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3384	my $sound = $soundconf->{compat}[$_]
		3385	or next;
		3386
		3387	my $face = cf::face::find "sound/$sound->[1]";
		3388	cf::sound::set $sound->[0] => $face;
		3389	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3390	}
		3391
		3392	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3393	my $face = cf::face::find "sound/$v";
		3394	cf::sound::set $k => $face;
		3395	}
		3396	}
		3397	});
3096		3398
3097	register_exticmd fx_want => sub {	3399	register_exticmd fx_want => sub {
3098	my ($ns, $want) = @_;	3400	my ($ns, $want) = @_;
3099		3401
3100	while (my ($k, $v) = each %$want) {	3402	while (my ($k, $v) = each %$want) {
3101	$ns->fx_want ($k, $v);	3403	$ns->fx_want ($k, $v);
3102	}	3404	}
3103	};	3405	};
		3406
		3407	sub load_resource_file($) {
		3408	my $guard = lock_acquire "load_resource_file";
		3409
		3410	my $status = load_resource_file_ $_[0];
		3411	get_slot 0.1, 100;
		3412	cf::arch::commit_load;
		3413
		3414	$status
		3415	}
3104		3416
3105	sub reload_regions {	3417	sub reload_regions {
3106	# HACK to clear player env face cache, we need some signal framework	3418	# HACK to clear player env face cache, we need some signal framework
3107	# for this (global event?)	3419	# for this (global event?)
3108	%ext::player_env::MUSIC_FACE_CACHE = ();	3420	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3122	}	3434	}
3123		3435
3124	sub reload_archetypes {	3436	sub reload_archetypes {
3125	load_resource_file "$DATADIR/archetypes"	3437	load_resource_file "$DATADIR/archetypes"
3126	or die "unable to load archetypes\n";	3438	or die "unable to load archetypes\n";
3127	#d# NEED to laod twice to resolve forward references
3128	# this really needs to be done in an extra post-pass
3129	# (which needs to be synchronous, so solve it differently)
3130	load_resource_file "$DATADIR/archetypes"
3131	or die "unable to load archetypes\n";
3132	}	3439	}
3133		3440
3134	sub reload_treasures {	3441	sub reload_treasures {
3135	load_resource_file "$DATADIR/treasures"	3442	load_resource_file "$DATADIR/treasures"
3136	or die "unable to load treasurelists\n";	3443	or die "unable to load treasurelists\n";
3137	}	3444	}
3138		3445
3139	sub reload_resources {	3446	sub reload_resources {
3140	warn "reloading resource files...\n";	3447	warn "reloading resource files...\n";
3141		3448
		3449	reload_facedata;
		3450	reload_archetypes;
3142	reload_regions;	3451	reload_regions;
3143	reload_facedata;
3144	#reload_archetypes;#d#
3145	reload_archetypes;
3146	reload_treasures;	3452	reload_treasures;
3147		3453
3148	warn "finished reloading resource files\n";	3454	warn "finished reloading resource files\n";
3149	}	3455	}
3150		3456
3151	sub init {
3152	reload_resources;
3153	}
3154
3155	sub reload_config {	3457	sub reload_config {
		3458	warn "reloading config file...\n";
		3459
3156	open my $fh, "<:utf8", "$CONFDIR/config"	3460	open my $fh, "<:utf8", "$CONFDIR/config"
3157	or return;	3461	or return;
3158		3462
3159	local $/;	3463	local $/;
3160	*CFG = YAML::Syck::Load <$fh>;	3464	*CFG = YAML::XS::Load scalar <$fh>;
3161		3465
3162	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3466	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3163		3467
3164	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3468	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3165	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3469	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3169	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3473	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
3170	and die "WARNING: m(un)lockall failed: $!\n";	3474	and die "WARNING: m(un)lockall failed: $!\n";
3171	};	3475	};
3172	warn $@ if $@;	3476	warn $@ if $@;
3173	}	3477	}
		3478
		3479	warn "finished reloading resource files\n";
		3480	}
		3481
		3482	sub pidfile() {
		3483	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3484	or die "$PIDFILE: $!";
		3485	flock $fh, &Fcntl::LOCK_EX
		3486	or die "$PIDFILE: flock: $!";
		3487	$fh
		3488	}
		3489
		3490	# make sure only one server instance is running at any one time
		3491	sub atomic {
		3492	my $fh = pidfile;
		3493
		3494	my $pid = <$fh>;
		3495	kill 9, $pid if $pid > 0;
		3496
		3497	seek $fh, 0, 0;
		3498	print $fh $$;
		3499	}
		3500
		3501	sub main_loop {
		3502	warn "EV::loop starting\n";
		3503	if (1) {
		3504	EV::loop;
		3505	}
		3506	warn "EV::loop returned\n";
		3507	goto &main_loop unless $REALLY_UNLOOP;
3174	}	3508	}
3175		3509
3176	sub main {	3510	sub main {
		3511	cf::init_globals; # initialise logging
		3512
		3513	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3514	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3515	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3516	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3517
		3518	cf::init_experience;
		3519	cf::init_anim;
		3520	cf::init_attackmess;
		3521	cf::init_dynamic;
		3522
		3523	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3524
3177	# we must not ever block the main coroutine	3525	# we must not ever block the main coroutine
3178	local $Coro::idle = sub {	3526	local $Coro::idle = sub {
3179	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3527	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3180	(async {	3528	(async {
3181	Event::one_event;	3529	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3530	EV::loop EV::LOOP_ONESHOT;
3182	})->prio (Coro::PRIO_MAX);	3531	})->prio (Coro::PRIO_MAX);
3183	};	3532	};
3184		3533
		3534	evthread_start IO::AIO::poll_fileno;
		3535
		3536	cf::sync_job {
		3537	cf::load_settings;
		3538	cf::load_materials;
		3539
		3540	reload_resources;
3185	reload_config;	3541	reload_config;
3186	db_init;	3542	db_init;
		3543
		3544	cf::init_uuid;
		3545	cf::init_signals;
		3546	cf::init_commands;
		3547	cf::init_skills;
		3548
		3549	cf::init_beforeplay;
		3550
		3551	atomic;
		3552
3187	load_extensions;	3553	load_extensions;
3188		3554
3189	$TICK_WATCHER->start;	3555	utime time, time, $RUNTIMEFILE;
3190	Event::loop;	3556
		3557	# no (long-running) fork's whatsoever before this point(!)
		3558	use POSIX ();
		3559	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3560
		3561	(pop @POST_INIT)->(0) while @POST_INIT;
		3562	};
		3563
		3564	main_loop;
3191	}	3565	}
3192		3566
3193	#############################################################################	3567	#############################################################################
3194	# initialisation and cleanup	3568	# initialisation and cleanup
3195		3569
3196	# install some emergency cleanup handlers	3570	# install some emergency cleanup handlers
3197	BEGIN {	3571	BEGIN {
		3572	our %SIGWATCHER = ();
3198	for my $signal (qw(INT HUP TERM)) {	3573	for my $signal (qw(INT HUP TERM)) {
3199	Event->signal (	3574	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3200	reentrant => 0,
3201	data => WF_AUTOCANCEL,
3202	signal => $signal,
3203	prio => 0,
3204	cb => sub {
3205	cf::cleanup "SIG$signal";	3575	cf::cleanup "SIG$signal";
3206	},
3207	);	3576	};
3208	}	3577	}
3209	}	3578	}
3210		3579
3211	sub write_runtime {	3580	sub write_runtime_sync {
3212	my $runtime = "$LOCALDIR/runtime";	3581	my $t0 = EV::time;
3213		3582
3214	# first touch the runtime file to show we are still running:	3583	# first touch the runtime file to show we are still running:
3215	# the fsync below can take a very very long time.	3584	# the fsync below can take a very very long time.
3216		3585
3217	IO::AIO::aio_utime $runtime, undef, undef;	3586	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3218		3587
3219	my $guard = cf::lock_acquire "write_runtime";	3588	my $guard = cf::lock_acquire "write_runtime";
3220		3589
3221	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3590	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3222	or return;	3591	or return;
3223		3592
3224	my $value = $cf::RUNTIME + 90 + 10;	3593	my $value = $cf::RUNTIME + 90 + 10;
3225	# 10 is the runtime save interval, for a monotonic clock	3594	# 10 is the runtime save interval, for a monotonic clock
3226	# 60 allows for the watchdog to kill the server.	3595	# 60 allows for the watchdog to kill the server.
…		…
3236	aio_utime $fh, undef, undef;	3605	aio_utime $fh, undef, undef;
3237		3606
3238	close $fh	3607	close $fh
3239	or return;	3608	or return;
3240		3609
3241	aio_rename "$runtime~", $runtime	3610	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3242	and return;	3611	and return;
3243		3612
3244	warn "runtime file written.\n";	3613	warn sprintf "runtime file written (%gs).\n", EV::time - $t0;
3245		3614
3246	1	3615	1
		3616	}
		3617
		3618	our $uuid_lock;
		3619	our $uuid_skip;
		3620
		3621	sub write_uuid_sync($) {
		3622	$uuid_skip ||= $_[0];
		3623
		3624	return if $uuid_lock;
		3625	local $uuid_lock = 1;
		3626
		3627	my $uuid = "$LOCALDIR/uuid";
		3628
		3629	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3630	or return;
		3631
		3632	my $value = uuid_seq uuid_cur;
		3633
		3634	unless ($value) {
		3635	warn "cowardly refusing to write zero uuid value!\n";
		3636	return;
		3637	}
		3638
		3639	my $value = uuid_str $value + $uuid_skip;
		3640	$uuid_skip = 0;
		3641
		3642	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3643	and return;
		3644
		3645	# always fsync - this file is important
		3646	aio_fsync $fh
		3647	and return;
		3648
		3649	close $fh
		3650	or return;
		3651
		3652	aio_rename "$uuid~", $uuid
		3653	and return;
		3654
		3655	warn "uuid file written ($value).\n";
		3656
		3657	1
		3658
		3659	}
		3660
		3661	sub write_uuid($$) {
		3662	my ($skip, $sync) = @_;
		3663
		3664	$sync ? write_uuid_sync $skip
		3665	: async { write_uuid_sync $skip };
3247	}	3666	}
3248		3667
3249	sub emergency_save() {	3668	sub emergency_save() {
3250	my $freeze_guard = cf::freeze_mainloop;	3669	my $freeze_guard = cf::freeze_mainloop;
3251		3670
3252	warn "enter emergency perl save\n";	3671	warn "emergency_perl_save: enter\n";
3253		3672
3254	cf::sync_job {	3673	cf::sync_job {
		3674	# this is a trade-off: we want to be very quick here, so
		3675	# save all maps without fsync, and later call a global sync
		3676	# (which in turn might be very very slow)
		3677	local $USE_FSYNC = 0;
		3678
3255	# use a peculiar iteration method to avoid tripping on perl	3679	# use a peculiar iteration method to avoid tripping on perl
3256	# refcount bugs in for. also avoids problems with players	3680	# refcount bugs in for. also avoids problems with players
3257	# and maps saved/destroyed asynchronously.	3681	# and maps saved/destroyed asynchronously.
3258	warn "begin emergency player save\n";	3682	warn "emergency_perl_save: begin player save\n";
3259	for my $login (keys %cf::PLAYER) {	3683	for my $login (keys %cf::PLAYER) {
3260	my $pl = $cf::PLAYER{$login} or next;	3684	my $pl = $cf::PLAYER{$login} or next;
3261	$pl->valid or next;	3685	$pl->valid or next;
		3686	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3262	$pl->save;	3687	$pl->save;
3263	}	3688	}
3264	warn "end emergency player save\n";	3689	warn "emergency_perl_save: end player save\n";
3265		3690
3266	warn "begin emergency map save\n";	3691	warn "emergency_perl_save: begin map save\n";
3267	for my $path (keys %cf::MAP) {	3692	for my $path (keys %cf::MAP) {
3268	my $map = $cf::MAP{$path} or next;	3693	my $map = $cf::MAP{$path} or next;
3269	$map->valid or next;	3694	$map->valid or next;
3270	$map->save;	3695	$map->save;
3271	}	3696	}
3272	warn "end emergency map save\n";	3697	warn "emergency_perl_save: end map save\n";
3273		3698
3274	warn "begin emergency database checkpoint\n";	3699	warn "emergency_perl_save: begin database checkpoint\n";
3275	BDB::db_env_txn_checkpoint $DB_ENV;	3700	BDB::db_env_txn_checkpoint $DB_ENV;
3276	warn "end emergency database checkpoint\n";	3701	warn "emergency_perl_save: end database checkpoint\n";
		3702
		3703	warn "emergency_perl_save: begin write uuid\n";
		3704	write_uuid_sync 1;
		3705	warn "emergency_perl_save: end write uuid\n";
3277	};	3706	};
3278		3707
		3708	warn "emergency_perl_save: starting sync()\n";
		3709	IO::AIO::aio_sync sub {
		3710	warn "emergency_perl_save: finished sync()\n";
		3711	};
		3712
3279	warn "leave emergency perl save\n";	3713	warn "emergency_perl_save: leave\n";
3280	}	3714	}
3281		3715
3282	sub post_cleanup {	3716	sub post_cleanup {
3283	my ($make_core) = @_;	3717	my ($make_core) = @_;
3284		3718
3285	warn Carp::longmess "post_cleanup backtrace"	3719	warn Carp::longmess "post_cleanup backtrace"
3286	if $make_core;	3720	if $make_core;
		3721
		3722	my $fh = pidfile;
		3723	unlink $PIDFILE if <$fh> == $$;
		3724	}
		3725
		3726	# a safer delete_package, copied from Symbol
		3727	sub clear_package($) {
		3728	my $pkg = shift;
		3729
		3730	# expand to full symbol table name if needed
		3731	unless ($pkg =~ /^main::.*::$/) {
		3732	$pkg = "main$pkg" if $pkg =~ /^::/;
		3733	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3734	$pkg .= '::' unless $pkg =~ /::$/;
		3735	}
		3736
		3737	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3738	my $stem_symtab = *{$stem}{HASH};
		3739
		3740	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3741	or return;
		3742
		3743	# clear all symbols
		3744	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3745	for my $name (keys %$leaf_symtab) {
		3746	_gv_clear *{"$pkg$name"};
		3747	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3748	}
		3749	warn "cleared package $pkg\n";#d#
3287	}	3750	}
3288		3751
3289	sub do_reload_perl() {	3752	sub do_reload_perl() {
3290	# can/must only be called in main	3753	# can/must only be called in main
3291	if ($Coro::current != $Coro::main) {	3754	if ($Coro::current != $Coro::main) {
3292	warn "can only reload from main coroutine";	3755	warn "can only reload from main coroutine";
3293	return;	3756	return;
3294	}	3757	}
3295		3758
		3759	return if $RELOAD++;
		3760
		3761	my $t1 = EV::time;
		3762
		3763	while ($RELOAD) {
3296	warn "reloading...";	3764	warn "reloading...";
3297		3765
3298	warn "entering sync_job";	3766	warn "entering sync_job";
3299		3767
3300	cf::sync_job {	3768	cf::sync_job {
3301	cf::write_runtime; # external watchdog should not bark	3769	cf::write_runtime_sync; # external watchdog should not bark
3302	cf::emergency_save;	3770	cf::emergency_save;
3303	cf::write_runtime; # external watchdog should not bark	3771	cf::write_runtime_sync; # external watchdog should not bark
3304		3772
3305	warn "syncing database to disk";	3773	warn "syncing database to disk";
3306	BDB::db_env_txn_checkpoint $DB_ENV;	3774	BDB::db_env_txn_checkpoint $DB_ENV;
3307		3775
3308	# if anything goes wrong in here, we should simply crash as we already saved	3776	# if anything goes wrong in here, we should simply crash as we already saved
3309		3777
3310	warn "cancelling all WF_AUTOCANCEL watchers";
3311	for (Event::all_watchers) {
3312	$_->cancel if $_->data & WF_AUTOCANCEL;
3313	}
3314
3315	warn "flushing outstanding aio requests";	3778	warn "flushing outstanding aio requests";
3316	for (;;) {
3317	BDB::flush;
3318	IO::AIO::flush;
3319	Coro::cede;
3320	last unless IO::AIO::nreqs || BDB::nreqs;	3779	while (IO::AIO::nreqs || BDB::nreqs) {
3321	warn "iterate...";	3780	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3322	}
3323
3324	++$RELOAD;
3325
3326	warn "cancelling all extension coros";
3327	$_->cancel for values %EXT_CORO;
3328	%EXT_CORO = ();
3329
3330	warn "removing commands";
3331	%COMMAND = ();
3332
3333	warn "removing ext/exti commands";
3334	%EXTCMD = ();
3335	%EXTICMD = ();
3336
3337	warn "unloading/nuking all extensions";
3338	for my $pkg (@EXTS) {
3339	warn "... unloading $pkg";
3340
3341	if (my $cb = $pkg->can ("unload")) {
3342	eval {
3343	$cb->($pkg);
3344	1
3345	} or warn "$pkg unloaded, but with errors: $@";
3346	}	3781	}
3347		3782
3348	warn "... nuking $pkg";	3783	warn "cancelling all extension coros";
3349	Symbol::delete_package $pkg;	3784	$_->cancel for values %EXT_CORO;
3350	}	3785	%EXT_CORO = ();
3351		3786
3352	warn "unloading all perl modules loaded from $LIBDIR";	3787	warn "removing commands";
3353	while (my ($k, $v) = each %INC) {	3788	%COMMAND = ();
3354	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3355		3789
		3790	warn "removing ext/exti commands";
		3791	%EXTCMD = ();
		3792	%EXTICMD = ();
		3793
		3794	warn "unloading/nuking all extensions";
		3795	for my $pkg (@EXTS) {
3356	warn "... unloading $k";	3796	warn "... unloading $pkg";
3357	delete $INC{$k};
3358		3797
3359	$k =~ s/\.pm$//;
3360	$k =~ s/\//::/g;
3361
3362	if (my $cb = $k->can ("unload_module")) {	3798	if (my $cb = $pkg->can ("unload")) {
		3799	eval {
3363	$cb->();	3800	$cb->($pkg);
		3801	1
		3802	} or warn "$pkg unloaded, but with errors: $@";
		3803	}
		3804
		3805	warn "... clearing $pkg";
		3806	clear_package $pkg;
3364	}	3807	}
3365		3808
3366	Symbol::delete_package $k;	3809	warn "unloading all perl modules loaded from $LIBDIR";
		3810	while (my ($k, $v) = each %INC) {
		3811	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3812
		3813	warn "... unloading $k";
		3814	delete $INC{$k};
		3815
		3816	$k =~ s/\.pm$//;
		3817	$k =~ s/\//::/g;
		3818
		3819	if (my $cb = $k->can ("unload_module")) {
		3820	$cb->();
		3821	}
		3822
		3823	clear_package $k;
3367	}	3824	}
3368		3825
3369	warn "getting rid of safe::, as good as possible";	3826	warn "getting rid of safe::, as good as possible";
3370	Symbol::delete_package "safe::$_"	3827	clear_package "safe::$_"
3371	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3828	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3372		3829
3373	warn "unloading cf.pm \"a bit\"";	3830	warn "unloading cf.pm \"a bit\"";
3374	delete $INC{"cf.pm"};	3831	delete $INC{"cf.pm"};
3375	delete $INC{"cf/pod.pm"};	3832	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3376		3833
3377	# don't, removes xs symbols, too,	3834	# don't, removes xs symbols, too,
3378	# and global variables created in xs	3835	# and global variables created in xs
3379	#Symbol::delete_package __PACKAGE__;	3836	#clear_package __PACKAGE__;
3380		3837
3381	warn "unload completed, starting to reload now";	3838	warn "unload completed, starting to reload now";
3382		3839
3383	warn "reloading cf.pm";	3840	warn "reloading cf.pm";
3384	require cf;	3841	require cf;
3385	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3842	cf::_connect_to_perl_1;
3386		3843
3387	warn "loading config and database again";	3844	warn "loading config and database again";
3388	cf::reload_config;	3845	cf::reload_config;
3389		3846
3390	warn "loading extensions";	3847	warn "loading extensions";
3391	cf::load_extensions;	3848	cf::load_extensions;
3392		3849
		3850	if ($REATTACH_ON_RELOAD) {
3393	warn "reattaching attachments to objects/players";	3851	warn "reattaching attachments to objects/players";
3394	_global_reattach; # objects, sockets	3852	_global_reattach; # objects, sockets
3395	warn "reattaching attachments to maps";	3853	warn "reattaching attachments to maps";
3396	reattach $_ for values %MAP;	3854	reattach $_ for values %MAP;
3397	warn "reattaching attachments to players";	3855	warn "reattaching attachments to players";
3398	reattach $_ for values %PLAYER;	3856	reattach $_ for values %PLAYER;
		3857	}
3399		3858
		3859	warn "running post_init jobs";
		3860	(pop @POST_INIT)->(1) while @POST_INIT;
		3861
3400	warn "leaving sync_job";	3862	warn "leaving sync_job";
3401		3863
3402	1	3864	1
3403	} or do {	3865	} or do {
3404	warn $@;	3866	warn $@;
3405	warn "error while reloading, exiting.";	3867	cf::cleanup "error while reloading, exiting.";
3406	exit 1;
3407	};	3868	};
3408		3869
3409	warn "reloaded";	3870	warn "reloaded";
		3871	--$RELOAD;
		3872	}
		3873
		3874	$t1 = EV::time - $t1;
		3875	warn "reload completed in ${t1}s\n";
3410	};	3876	};
3411		3877
3412	our $RELOAD_WATCHER; # used only during reload	3878	our $RELOAD_WATCHER; # used only during reload
3413		3879
3414	sub reload_perl() {	3880	sub reload_perl() {
3415	# doing reload synchronously and two reloads happen back-to-back,	3881	# doing reload synchronously and two reloads happen back-to-back,
3416	# coro crashes during coro_state_free->destroy here.	3882	# coro crashes during coro_state_free->destroy here.
3417		3883
3418	$RELOAD_WATCHER ||= Event->timer (	3884	$RELOAD_WATCHER ||= cf::async {
3419	reentrant => 0,	3885	Coro::AIO::aio_wait cache_extensions;
3420	after => 0,	3886
3421	data => WF_AUTOCANCEL,	3887	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3422	cb => sub {
3423	do_reload_perl;	3888	do_reload_perl;
3424	undef $RELOAD_WATCHER;	3889	undef $RELOAD_WATCHER;
3425	},	3890	};
3426	);	3891	};
3427	}	3892	}
3428		3893
3429	register_command "reload" => sub {	3894	register_command "reload" => sub {
3430	my ($who, $arg) = @_;	3895	my ($who, $arg) = @_;
3431		3896
3432	if ($who->flag (FLAG_WIZ)) {	3897	if ($who->flag (FLAG_WIZ)) {
3433	$who->message ("reloading server.");	3898	$who->message ("reloading server.");
		3899	async {
		3900	$Coro::current->{desc} = "perl_reload";
3434	async { reload_perl };	3901	reload_perl;
		3902	};
3435	}	3903	}
3436	};	3904	};
3437		3905
3438	unshift @INC, $LIBDIR;	3906	unshift @INC, $LIBDIR;
3439		3907
…		…
3441		3909
3442	our @WAIT_FOR_TICK;	3910	our @WAIT_FOR_TICK;
3443	our @WAIT_FOR_TICK_BEGIN;	3911	our @WAIT_FOR_TICK_BEGIN;
3444		3912
3445	sub wait_for_tick {	3913	sub wait_for_tick {
3446	return unless $TICK_WATCHER->is_active;
3447	return if $Coro::current == $Coro::main;	3914	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3448		3915
3449	my $signal = new Coro::Signal;	3916	my $signal = new Coro::Signal;
3450	push @WAIT_FOR_TICK, $signal;	3917	push @WAIT_FOR_TICK, $signal;
3451	$signal->wait;	3918	$signal->wait;
3452	}	3919	}
3453		3920
3454	sub wait_for_tick_begin {	3921	sub wait_for_tick_begin {
3455	return unless $TICK_WATCHER->is_active;
3456	return if $Coro::current == $Coro::main;	3922	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3457		3923
3458	my $signal = new Coro::Signal;	3924	my $signal = new Coro::Signal;
3459	push @WAIT_FOR_TICK_BEGIN, $signal;	3925	push @WAIT_FOR_TICK_BEGIN, $signal;
3460	$signal->wait;	3926	$signal->wait;
3461	}	3927	}
3462		3928
3463	our $stat_fh;	3929	sub tick {
3464	sysopen $stat_fh, "/tmp/cfstats", Fcntl::O_APPEND | Fcntl::O_CREAT | Fcntl::O_WRONLY, 0600;#d#
3465
3466	$TICK_WATCHER = Event->timer (
3467	reentrant => 0,
3468	parked => 1,
3469	prio => 0,
3470	at => $NEXT_TICK || $TICK,
3471	data => WF_AUTOCANCEL,
3472	cb => sub {
3473	if ($Coro::current != $Coro::main) {	3930	if ($Coro::current != $Coro::main) {
3474	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3931	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3475	unless ++$bug_warning > 10;	3932	unless ++$bug_warning > 10;
3476	return;	3933	return;
3477	}	3934	}
3478		3935
3479	my @pl = cf::player::list; my $stats = sprintf "%.2f %d %d %d", $RUNTIME, (scalar @pl), cf::object::actives_size, cf::object::objects_size; #d#
3480
3481	$NOW = $tick_start = Event::time;
3482
3483	cf::server_tick; # one server iteration	3936	cf::server_tick; # one server iteration
3484		3937
3485	$RUNTIME += $TICK;	3938	#for(1..3e6){} EV::now_update; $NOW=EV::now; # generate load #d#
3486	$NEXT_TICK += $TICK;
3487		3939
3488	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3940	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3489	$NEXT_RUNTIME_WRITE = $NOW + 10;	3941	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3490	Coro::async_pool {	3942	Coro::async_pool {
		3943	$Coro::current->{desc} = "runtime saver";
3491	write_runtime	3944	write_runtime_sync
3492	or warn "ERROR: unable to write runtime file: $!";	3945	or warn "ERROR: unable to write runtime file: $!";
3493	};
3494	}	3946	};
		3947	}
3495		3948
3496	# my $AFTER = Event::time;
3497	# warn $AFTER - $NOW;#d#
3498
3499	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3949	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3500	$sig->send;	3950	$sig->send;
3501	}	3951	}
3502	while (my $sig = shift @WAIT_FOR_TICK) {	3952	while (my $sig = shift @WAIT_FOR_TICK) {
3503	$sig->send;	3953	$sig->send;
3504	}	3954	}
3505		3955
3506	$NOW = Event::time;	3956	$LOAD = ($NOW - $TICK_START) / $TICK;
3507
3508	# if we are delayed by four ticks or more, skip them all
3509	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3510
3511	$TICK_WATCHER->at ($NEXT_TICK);
3512	$TICK_WATCHER->start;
3513
3514	$LOAD = ($NOW - $tick_start) / $TICK;
3515	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3957	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3516		3958
3517	_post_tick;	3959	if (0) {
3518		3960	if ($NEXT_TICK) {
3519	# gather some statistics#d#	3961	my $jitter = $TICK_START - $NEXT_TICK;
3520	$stats .= sprintf " %d\n", 10000 * ($NOW - $tick_start);#d#	3962	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
3521	IO::AIO::aio_write $stat_fh, undef, undef, $stats, 0;#d#	3963	warn "jitter $JITTER\n";#d#
		3964	}
3522	},	3965	}
3523	);	3966	}
3524		3967
3525	{	3968	{
		3969	# configure BDB
		3970
3526	BDB::min_parallel 8;	3971	BDB::min_parallel 16;
3527	BDB::max_poll_time $TICK * 0.1;	3972	BDB::max_poll_reqs $TICK * 0.1;
3528	$BDB_POLL_WATCHER = Event->io (	3973	$AnyEvent::BDB::WATCHER->priority (1);
3529	reentrant => 0,
3530	fd => BDB::poll_fileno,
3531	poll => 'r',
3532	prio => 0,
3533	data => WF_AUTOCANCEL,
3534	cb => \&BDB::poll_cb,
3535	);
3536
3537	BDB::set_sync_prepare {
3538	my $status;
3539	my $current = $Coro::current;
3540	(
3541	sub {
3542	$status = $!;
3543	$current->ready; undef $current;
3544	},
3545	sub {
3546	Coro::schedule while defined $current;
3547	$! = $status;
3548	},
3549	)
3550	};
3551		3974
3552	unless ($DB_ENV) {	3975	unless ($DB_ENV) {
3553	$DB_ENV = BDB::db_env_create;	3976	$DB_ENV = BDB::db_env_create;
		3977	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3978	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3979	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3980	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3981	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3554		3982
3555	cf::sync_job {	3983	cf::sync_job {
3556	eval {	3984	eval {
3557	BDB::db_env_open	3985	BDB::db_env_open
3558	$DB_ENV,	3986	$DB_ENV,
…		…
3560	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3988	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3561	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3989	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3562	0666;	3990	0666;
3563		3991
3564	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3992	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3565
3566	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3567	| BDB::LOG_AUTOREMOVE, 1);
3568	$DB_ENV->set_lk_detect;
3569	};	3993	};
3570		3994
3571	cf::cleanup "db_env_open(db): $@" if $@;	3995	cf::cleanup "db_env_open(db): $@" if $@;
3572	};	3996	};
3573	}	3997	}
3574		3998
3575	$BDB_CHECKPOINT_WATCHER = Event->timer (	3999	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3576	after => 11,	4000	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3577	interval => 60,	4001	};
3578	hard => 1,	4002	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3579	prio => 0,
3580	data => WF_AUTOCANCEL,
3581	cb => sub {
3582	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4003	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3583	},
3584	);	4004	};
3585	$BDB_TRICKLE_WATCHER = Event->timer (	4005	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3586	after => 5,
3587	interval => 10,
3588	hard => 1,
3589	prio => 0,
3590	data => WF_AUTOCANCEL,
3591	cb => sub {
3592	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4006	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3593	},
3594	);	4007	};
3595	}	4008	}
3596		4009
3597	{	4010	{
		4011	# configure IO::AIO
		4012
3598	IO::AIO::min_parallel 8;	4013	IO::AIO::min_parallel 8;
3599
3600	undef $Coro::AIO::WATCHER;
3601	IO::AIO::max_poll_time $TICK * 0.1;	4014	IO::AIO::max_poll_time $TICK * 0.1;
3602	$AIO_POLL_WATCHER = Event->io (	4015	undef $AnyEvent::AIO::WATCHER;
3603	reentrant => 0,
3604	data => WF_AUTOCANCEL,
3605	fd => IO::AIO::poll_fileno,
3606	poll => 'r',
3607	prio => 6,
3608	cb => \&IO::AIO::poll_cb,
3609	);
3610	}	4016	}
3611		4017
3612	my $_log_backtrace;	4018	my $_log_backtrace;
3613		4019
3614	sub _log_backtrace {	4020	sub _log_backtrace {
…		…
3617	$msg =~ s/\n//;	4023	$msg =~ s/\n//;
3618		4024
3619	# limit the # of concurrent backtraces	4025	# limit the # of concurrent backtraces
3620	if ($_log_backtrace < 2) {	4026	if ($_log_backtrace < 2) {
3621	++$_log_backtrace;	4027	++$_log_backtrace;
		4028	my $perl_bt = Carp::longmess $msg;
3622	async {	4029	async {
		4030	$Coro::current->{desc} = "abt $msg";
		4031
3623	my @bt = fork_call {	4032	my @bt = fork_call {
3624	@addr = map { sprintf "%x", $_ } @addr;	4033	@addr = map { sprintf "%x", $_ } @addr;
3625	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4034	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3626	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4035	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3627	or die "addr2line: $!";	4036	or die "addr2line: $!";
…		…
3635	}	4044	}
3636		4045
3637	@funcs	4046	@funcs
3638	};	4047	};
3639		4048
3640	LOG llevInfo, "[ABT] $msg\n";	4049	LOG llevInfo, "[ABT] $perl_bt\n";
		4050	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3641	LOG llevInfo, "[ABT] $_\n" for @bt;	4051	LOG llevInfo, "[ABT] $_\n" for @bt;
3642	--$_log_backtrace;	4052	--$_log_backtrace;
3643	};	4053	};
3644	} else {	4054	} else {
3645	LOG llevInfo, "[ABT] $msg\n";	4055	LOG llevInfo, "[ABT] $msg\n";
3646	LOG llevInfo, "[ABT] [suppressed]\n";	4056	LOG llevInfo, "[ABT] [suppressed]\n";
3647	}	4057	}
3648	}	4058	}
3649		4059
3650	# load additional modules	4060	# load additional modules
3651	use cf::pod;	4061	require "cf/$_.pm" for @EXTRA_MODULES;
		4062	cf::_connect_to_perl_2;
3652		4063
3653	END { cf::emergency_save }	4064	END { cf::emergency_save }
3654		4065
3655	1	4066	1
3656		4067

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