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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.368 by root, Wed Sep 12 11:18:25 2007 UTC vs.
Revision 1.510 by root, Tue Apr 6 22:59:28 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Socket;	31	use Socket;
9	use Storable;	32	use EV;
10	use Event;
11	use Opcode;	33	use Opcode;
12	use Safe;	34	use Safe;
13	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
14		38
		39	use Guard ();
15	use Coro 3.64 ();	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_unknown_command => sub {
1166	my ($pl, $name, $params) = @_;	1316	my ($pl, $name, $params) = @_;
1167		1317
1168	my $cb = $COMMAND{$name}	1318	my $cb = $COMMAND{$name}
1169	or return;	1319	or return;
1170		1320
…		…
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 = $obs[rand @obs];
2467		2645
2468	# see if we actually can go there	2646	# see if we actually can go there
2469	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {	2647	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2470	$ob = $obs[rand @obs];	2648	$ob = $obs[rand @obs];
		2649	} else {
		2650	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2471	}	2651	}
2472	# else put him there anyways for now #d#	2652	# else put us there anyways for now #d#
2473		2653
2474	($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);
2475	}	2657	}
2476	}	2658	}
2477		2659
2478	my $map = eval {	2660	my $map = eval {
2479	my $map = cf::map::find $path;	2661	my $map = defined $path ? cf::map::find $path : undef;
2480		2662
2481	if ($map) {	2663	if ($map) {
2482	$map = $map->customise_for ($self);	2664	$map = $map->customise_for ($self);
2483	$map = $check->($map) if $check && $map;	2665	$map = $check->($map) if $check && $map;
2484	} else {	2666	} else {
2485	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2667	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2486	}	2668	}
2487		2669
2488	$map	2670	$map
2489	};	2671	};
2490		2672
…		…
2526	}	2708	}
2527		2709
2528	sub prepare_random_map {	2710	sub prepare_random_map {
2529	my ($exit) = @_;	2711	my ($exit) = @_;
2530		2712
2531	my $guard = cf::lock_acquire "exit_prepare:$exit";
2532
2533	# all this does is basically replace the /! path by	2713	# all this does is basically replace the /! path by
2534	# a new random map path (?random/...) with a seed	2714	# a new random map path (?random/...) with a seed
2535	# that depends on the exit object	2715	# that depends on the exit object
2536		2716
2537	my $rmp = parse_random_map_params $exit->msg;	2717	my $rmp = parse_random_map_params $exit->msg;
…		…
2539	if ($exit->map) {	2719	if ($exit->map) {
2540	$rmp->{region} = $exit->region->name;	2720	$rmp->{region} = $exit->region->name;
2541	$rmp->{origin_map} = $exit->map->path;	2721	$rmp->{origin_map} = $exit->map->path;
2542	$rmp->{origin_x} = $exit->x;	2722	$rmp->{origin_x} = $exit->x;
2543	$rmp->{origin_y} = $exit->y;	2723	$rmp->{origin_y} = $exit->y;
		2724
		2725	$exit->map->touch;
2544	}	2726	}
2545		2727
2546	$rmp->{random_seed} ||= $exit->random_seed;	2728	$rmp->{random_seed} ||= $exit->random_seed;
2547		2729
2548	my $data = cf::to_json $rmp;	2730	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2549	my $md5 = Digest::MD5::md5_hex $data;	2731	my $md5 = Digest::MD5::md5_hex $data;
2550	my $meta = "$RANDOMDIR/$md5.meta";	2732	my $meta = "$RANDOMDIR/$md5.meta";
2551		2733
2552	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2734	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2553	aio_write $fh, 0, (length $data), $data, 0;	2735	aio_write $fh, 0, (length $data), $data, 0;
2554	undef $fh;	2736	undef $fh;
2555	aio_rename "$meta~", $meta;	2737	aio_rename "$meta~", $meta;
2556		2738
		2739	my $slaying = "?random/$md5";
		2740
		2741	if ($exit->valid) {
2557	$exit->slaying ("?random/$md5");	2742	$exit->slaying ("?random/$md5");
2558	$exit->msg (undef);	2743	$exit->msg (undef);
		2744	}
2559	}	2745	}
2560	}	2746	}
2561		2747
2562	sub cf::object::player::enter_exit {	2748	sub cf::object::player::enter_exit {
2563	my ($self, $exit) = @_;	2749	my ($self, $exit) = @_;
2564		2750
2565	return unless $self->type == cf::PLAYER;	2751	return unless $self->type == cf::PLAYER;
2566		2752
2567	if ($exit->slaying eq "/!") {
2568	#TODO: this should de-fi-ni-te-ly not be a sync-job
2569	# the problem is that $exit might not survive long enough
2570	# so it needs to be done right now, right here
2571	cf::sync_job { prepare_random_map $exit };
2572	}
2573
2574	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2575	my $hp = $exit->stats->hp;
2576	my $sp = $exit->stats->sp;
2577
2578	$self->enter_link;	2753	$self->enter_link;
2579		2754
2580	# if exit is damned, update players death & WoR home-position
2581	$self->contr->savebed ($slaying, $hp, $sp)
2582	if $exit->flag (FLAG_DAMNED);
2583
2584	(async {	2755	(async {
2585	$self->deactivate_recursive; # just to be sure	2756	$Coro::current->{desc} = "enter_exit";
		2757
2586	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
2587	$self->goto ($slaying, $hp, $sp);	2773	$self->goto ($map, $x, $y);
2588		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
2589	1;	2779	1
2590	}) {	2780	}) {
2591	$self->message ("Something went wrong deep within the crossfire server. "	2781	$self->message ("Something went wrong deep within the deliantra server. "
2592	. "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. "
2593	. "Please report this to the dungeon master!",	2783	. "Please report this to the dungeon master!",
2594	cf::NDI_UNIQUE | cf::NDI_RED);	2784	cf::NDI_UNIQUE | cf::NDI_RED);
2595		2785
2596	warn "ERROR in enter_exit: $@";	2786	warn "ERROR in enter_exit: $@";
…		…
2613	sub cf::client::send_drawinfo {	2803	sub cf::client::send_drawinfo {
2614	my ($self, $text, $flags) = @_;	2804	my ($self, $text, $flags) = @_;
2615		2805
2616	utf8::encode $text;	2806	utf8::encode $text;
2617	$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);
2618	}	2833	}
2619		2834
2620	=item $client->send_msg ($channel, $msg, $color, [extra...])	2835	=item $client->send_msg ($channel, $msg, $color, [extra...])
2621		2836
2622	Send a drawinfo or msg packet to the client, formatting the msg for the	2837	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2624	the message, with C<log> being the default. If C<$color> is negative, suppress	2839	the message, with C<log> being the default. If C<$color> is negative, suppress
2625	the message unless the client supports the msg packet.	2840	the message unless the client supports the msg packet.
2626		2841
2627	=cut	2842	=cut
2628		2843
		2844	# non-persistent channels (usually the info channel)
2629	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	},
2630	"c/identify" => {	2852	"c/identify" => {
2631	id => "identify",	2853	id => "infobox",
2632	title => "Identify",	2854	title => "Identify",
2633	reply => undef,	2855	reply => undef,
2634	tooltip => "Items recently identified",	2856	tooltip => "Items recently identified",
2635	},	2857	},
2636	"c/examine" => {	2858	"c/examine" => {
2637	id => "examine",	2859	id => "infobox",
2638	title => "Examine",	2860	title => "Examine",
2639	reply => undef,	2861	reply => undef,
2640	tooltip => "Signs and other items you examined",	2862	tooltip => "Signs and other items you examined",
2641	},	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" => $CHAT_CHANNEL,
2642	);	2956	);
2643		2957
2644	sub cf::client::send_msg {	2958	sub cf::client::send_msg {
2645	my ($self, $channel, $msg, $color, @extra) = @_;	2959	my ($self, $channel, $msg, $color, @extra) = @_;
2646		2960
2647	$msg = $self->pl->expand_cfpod ($msg);	2961	$msg = $self->pl->expand_cfpod ($msg)
		2962	unless $color & cf::NDI_VERBATIM;
2648		2963
2649	$color &= cf::NDI_CLIENT_MASK; # just in case...	2964	$color &= cf::NDI_CLIENT_MASK; # just in case...
2650		2965
2651	# check predefined channels, for the benefit of C	2966	# check predefined channels, for the benefit of C
2652	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};	2967	if ($CHANNEL{$channel}) {
		2968	$channel = $CHANNEL{$channel};
2653		2969
		2970	$self->ext_msg (channel_info => $channel);
		2971	$channel = $channel->{id};
		2972
2654	if (ref $channel) {	2973	} elsif (ref $channel) {
2655	# send meta info to client, if not yet sent	2974	# send meta info to client, if not yet sent
2656	unless (exists $self->{channel}{$channel->{id}}) {	2975	unless (exists $self->{channel}{$channel->{id}}) {
2657	$self->{channel}{$channel->{id}} = $channel;	2976	$self->{channel}{$channel->{id}} = $channel;
2658	$self->ext_msg (channel_info => $channel)	2977	$self->ext_msg (channel_info => $channel);
2659	if $self->can_msg;
2660	}	2978	}
2661		2979
2662	$channel = $channel->{id};	2980	$channel = $channel->{id};
2663	}	2981	}
2664		2982
2665	return unless @extra || length $msg;	2983	return unless @extra || length $msg;
2666		2984
2667	if ($self->can_msg) {
2668	# default colour, mask it out	2985	# default colour, mask it out
2669	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2986	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2670	if $color & cf::NDI_DEF;	2987	if $color & cf::NDI_DEF;
2671		2988
2672	$self->send_packet ("msg " . $self->{json_coder}->encode (	2989	my $pkt = "msg "
		2990	. $self->{json_coder}->encode (
2673	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2991	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2674	} else {	2992	);
2675	if ($color >= 0) {
2676	# replace some tags by gcfclient-compatible ones
2677	for ($msg) {
2678	1 while
2679	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2680	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2681	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2682	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2683	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2684	}
2685		2993
2686	$color &= cf::NDI_COLOR_MASK;	2994	$self->send_big_packet ($pkt);
2687
2688	utf8::encode $msg;
2689
2690	if (0 && $msg =~ /\[/) {
2691	# COMMAND/INFO
2692	$self->send_packet ("drawextinfo $color 10 8 $msg")
2693	} else {
2694	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2695	$self->send_packet ("drawinfo $color $msg")
2696	}
2697	}
2698	}
2699	}	2995	}
2700		2996
2701	=item $client->ext_msg ($type, @msg)	2997	=item $client->ext_msg ($type, @msg)
2702		2998
2703	Sends an ext event to the client.	2999	Sends an ext event to the client.
…		…
2706		3002
2707	sub cf::client::ext_msg($$@) {	3003	sub cf::client::ext_msg($$@) {
2708	my ($self, $type, @msg) = @_;	3004	my ($self, $type, @msg) = @_;
2709		3005
2710	if ($self->extcmd == 2) {	3006	if ($self->extcmd == 2) {
2711	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3007	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2712	} elsif ($self->extcmd == 1) { # TODO: remove	3008	} elsif ($self->extcmd == 1) { # TODO: remove
2713	push @msg, msgtype => "event_$type";	3009	push @msg, msgtype => "event_$type";
2714	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3010	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2715	}	3011	}
2716	}	3012	}
2717		3013
2718	=item $client->ext_reply ($msgid, @msg)	3014	=item $client->ext_reply ($msgid, @msg)
2719		3015
…		…
2723		3019
2724	sub cf::client::ext_reply($$@) {	3020	sub cf::client::ext_reply($$@) {
2725	my ($self, $id, @msg) = @_;	3021	my ($self, $id, @msg) = @_;
2726		3022
2727	if ($self->extcmd == 2) {	3023	if ($self->extcmd == 2) {
2728	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3024	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2729	} elsif ($self->extcmd == 1) {	3025	} elsif ($self->extcmd == 1) {
2730	#TODO: version 1, remove	3026	#TODO: version 1, remove
2731	unshift @msg, msgtype => "reply", msgid => $id;	3027	unshift @msg, msgtype => "reply", msgid => $id;
2732	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3028	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2733	}	3029	}
2734	}	3030	}
2735		3031
2736	=item $success = $client->query ($flags, "text", \&cb)	3032	=item $success = $client->query ($flags, "text", \&cb)
2737		3033
…		…
2838		3134
2839	$coro	3135	$coro
2840	}	3136	}
2841		3137
2842	cf::client->attach (	3138	cf::client->attach (
2843	on_destroy => sub {	3139	on_client_destroy => sub {
2844	my ($ns) = @_;	3140	my ($ns) = @_;
2845		3141
2846	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3142	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2847	},	3143	},
2848	);	3144	);
…		…
2864	our $safe_hole = new Safe::Hole;	3160	our $safe_hole = new Safe::Hole;
2865		3161
2866	$SIG{FPE} = 'IGNORE';	3162	$SIG{FPE} = 'IGNORE';
2867		3163
2868	$safe->permit_only (Opcode::opset qw(	3164	$safe->permit_only (Opcode::opset qw(
2869	:base_core :base_mem :base_orig :base_math	3165	:base_core :base_mem :base_orig :base_math :base_loop
2870	grepstart grepwhile mapstart mapwhile	3166	grepstart grepwhile mapstart mapwhile
2871	sort time	3167	sort time
2872	));	3168	));
2873		3169
2874	# here we export the classes and methods available to script code	3170	# here we export the classes and methods available to script code
…		…
2876	=pod	3172	=pod
2877		3173
2878	The following functions and methods are available within a safe environment:	3174	The following functions and methods are available within a safe environment:
2879		3175
2880	cf::object	3176	cf::object
2881	contr pay_amount pay_player map x y force_find force_add	3177	contr pay_amount pay_player map x y force_find force_add destroy
2882	insert remove name archname title slaying race decrease_ob_nr	3178	insert remove name archname title slaying race decrease split
		3179	value
2883		3180
2884	cf::object::player	3181	cf::object::player
2885	player	3182	player
2886		3183
2887	cf::player	3184	cf::player
…		…
2892		3189
2893	=cut	3190	=cut
2894		3191
2895	for (	3192	for (
2896	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3193	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2897	insert remove inv name archname title slaying race	3194	insert remove inv nrof name archname title slaying race
2898	decrease_ob_nr)],	3195	decrease split destroy change_exp value msg lore send_msg)],
2899	["cf::object::player" => qw(player)],	3196	["cf::object::player" => qw(player)],
2900	["cf::player" => qw(peaceful)],	3197	["cf::player" => qw(peaceful send_msg)],
2901	["cf::map" => qw(trigger)],	3198	["cf::map" => qw(trigger)],
2902	) {	3199	) {
2903	no strict 'refs';	3200	no strict 'refs';
2904	my ($pkg, @funs) = @$_;	3201	my ($pkg, @funs) = @$_;
2905	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3202	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2923		3220
2924	my $qcode = $code;	3221	my $qcode = $code;
2925	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3222	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2926	$qcode =~ s/\n/\\n/g;	3223	$qcode =~ s/\n/\\n/g;
2927		3224
		3225	%vars = (_dummy => 0) unless %vars;
		3226
		3227	my @res;
2928	local $_;	3228	local $_;
2929	local @safe::cf::_safe_eval_args = values %vars;
2930		3229
2931	my $eval =	3230	my $eval =
2932	"do {\n"	3231	"do {\n"
2933	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3232	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2934	. "#line 0 \"{$qcode}\"\n"	3233	. "#line 0 \"{$qcode}\"\n"
2935	. $code	3234	. $code
2936	. "\n}"	3235	. "\n}"
2937	;	3236	;
2938		3237
		3238	if ($CFG{safe_eval}) {
2939	sub_generation_inc;	3239	sub_generation_inc;
		3240	local @safe::cf::_safe_eval_args = values %vars;
2940	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3241	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2941	sub_generation_inc;	3242	sub_generation_inc;
		3243	} else {
		3244	local @cf::_safe_eval_args = values %vars;
		3245	@res = wantarray ? eval eval : scalar eval $eval;
		3246	}
2942		3247
2943	if ($@) {	3248	if ($@) {
2944	warn "$@";	3249	warn "$@";
2945	warn "while executing safe code '$code'\n";	3250	warn "while executing safe code '$code'\n";
2946	warn "with arguments " . (join " ", %vars) . "\n";	3251	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2965	=cut	3270	=cut
2966		3271
2967	sub register_script_function {	3272	sub register_script_function {
2968	my ($fun, $cb) = @_;	3273	my ($fun, $cb) = @_;
2969		3274
2970	no strict 'refs';	3275	$fun = "safe::$fun" if $CFG{safe_eval};
2971	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3276	*$fun = $safe_hole->wrap ($cb);
2972	}	3277	}
2973		3278
2974	=back	3279	=back
2975		3280
2976	=cut	3281	=cut
…		…
2997		3302
2998	$facedata->{version} == 2	3303	$facedata->{version} == 2
2999	or cf::cleanup "$path: version mismatch, cannot proceed.";	3304	or cf::cleanup "$path: version mismatch, cannot proceed.";
3000		3305
3001	# 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]);
3002	$facedata->{resource}{"res/exp_table"} = {	3308	$facedata->{resource}{"res/exp_table"} = {
3003	type => FT_RSRC,	3309	type => FT_RSRC,
3004	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),
3005	};	3312	};
3006	cf::cede_to_tick;	3313	cf::cede_to_tick;
3007		3314
3008	{	3315	{
3009	my $faces = $facedata->{faceinfo};	3316	my $faces = $facedata->{faceinfo};
3010		3317
3011	while (my ($face, $info) = each %$faces) {	3318	while (my ($face, $info) = each %$faces) {
3012	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3319	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3320
3013	cf::face::set_visibility $idx, $info->{visibility};	3321	cf::face::set_visibility $idx, $info->{visibility};
3014	cf::face::set_magicmap $idx, $info->{magicmap};	3322	cf::face::set_magicmap $idx, $info->{magicmap};
3015	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3323	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3016	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3324	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
3017		3325
3018	cf::cede_to_tick;	3326	cf::cede_to_tick;
3019	}	3327	}
3020		3328
3021	while (my ($face, $info) = each %$faces) {	3329	while (my ($face, $info) = each %$faces) {
3022	next unless $info->{smooth};	3330	next unless $info->{smooth};
		3331
3023	my $idx = cf::face::find $face	3332	my $idx = cf::face::find $face
3024	or next;	3333	or next;
		3334
3025	if (my $smooth = cf::face::find $info->{smooth}) {	3335	if (my $smooth = cf::face::find $info->{smooth}) {
3026	cf::face::set_smooth $idx, $smooth;	3336	cf::face::set_smooth $idx, $smooth;
3027	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3337	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3028	} else {	3338	} else {
3029	warn "smooth face '$info->{smooth}' not found for face '$face'";	3339	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
3043		3353
3044	cf::anim::invalidate_all; # d'oh	3354	cf::anim::invalidate_all; # d'oh
3045	}	3355	}
3046		3356
3047	{	3357	{
3048	# TODO: for gcfclient pleasure, we should give resources
3049	# that gcfclient doesn't grok a >10000 face index.
3050	my $res = $facedata->{resource};	3358	my $res = $facedata->{resource};
3051		3359
3052	my $soundconf = delete $res->{"res/sound.conf"};
3053
3054	while (my ($name, $info) = each %$res) {	3360	while (my ($name, $info) = each %$res) {
		3361	if (defined $info->{type}) {
3055	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3362	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3056	my $data;
3057		3363
3058	if ($info->{type} & 1) {	3364	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3059	# prepend meta info	3365	cf::face::set_type $idx, $info->{type};
3060
3061	my $meta = $enc->encode ({
3062	name => $name,
3063	%{ $info->{meta} || {} },
3064	});
3065
3066	$data = pack "(w/a*)*", $meta, $info->{data};
3067	} else {	3366	} else {
3068	$data = $info->{data};	3367	$RESOURCE{$name} = $info;
3069	}	3368	}
3070		3369
3071	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3072	cf::face::set_type $idx, $info->{type};
3073
3074	cf::cede_to_tick;	3370	cf::cede_to_tick;
3075	}	3371	}
3076
3077	if ($soundconf) {
3078	$soundconf = $enc->decode (delete $soundconf->{data});
3079
3080	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3081	my $sound = $soundconf->{compat}[$_]
3082	or next;
3083
3084	my $face = cf::face::find "sound/$sound->[1]";
3085	cf::sound::set $sound->[0] => $face;
3086	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3087	}
3088
3089	while (my ($k, $v) = each %{$soundconf->{event}}) {
3090	my $face = cf::face::find "sound/$v";
3091	cf::sound::set $k => $face;
3092	}
3093	}
3094	}	3372	}
		3373
		3374	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3095		3375
3096	1	3376	1
3097	}	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 => $face;
		3395	}
		3396	}
		3397	});
3098		3398
3099	register_exticmd fx_want => sub {	3399	register_exticmd fx_want => sub {
3100	my ($ns, $want) = @_;	3400	my ($ns, $want) = @_;
3101		3401
3102	while (my ($k, $v) = each %$want) {	3402	while (my ($k, $v) = each %$want) {
3103	$ns->fx_want ($k, $v);	3403	$ns->fx_want ($k, $v);
3104	}	3404	}
3105	};	3405	};
		3406
		3407	sub load_resource_file($) {
		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	$status
		3415	}
3106		3416
3107	sub reload_regions {	3417	sub reload_regions {
3108	# HACK to clear player env face cache, we need some signal framework	3418	# HACK to clear player env face cache, we need some signal framework
3109	# for this (global event?)	3419	# for this (global event?)
3110	%ext::player_env::MUSIC_FACE_CACHE = ();	3420	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3124	}	3434	}
3125		3435
3126	sub reload_archetypes {	3436	sub reload_archetypes {
3127	load_resource_file "$DATADIR/archetypes"	3437	load_resource_file "$DATADIR/archetypes"
3128	or die "unable to load archetypes\n";	3438	or die "unable to load archetypes\n";
3129	#d# NEED to laod twice to resolve forward references
3130	# this really needs to be done in an extra post-pass
3131	# (which needs to be synchronous, so solve it differently)
3132	load_resource_file "$DATADIR/archetypes"
3133	or die "unable to load archetypes\n";
3134	}	3439	}
3135		3440
3136	sub reload_treasures {	3441	sub reload_treasures {
3137	load_resource_file "$DATADIR/treasures"	3442	load_resource_file "$DATADIR/treasures"
3138	or die "unable to load treasurelists\n";	3443	or die "unable to load treasurelists\n";
3139	}	3444	}
3140		3445
3141	sub reload_resources {	3446	sub reload_resources {
3142	warn "reloading resource files...\n";	3447	warn "reloading resource files...\n";
3143		3448
		3449	reload_facedata;
		3450	reload_archetypes;
3144	reload_regions;	3451	reload_regions;
3145	reload_facedata;
3146	#reload_archetypes;#d#
3147	reload_archetypes;
3148	reload_treasures;	3452	reload_treasures;
3149		3453
3150	warn "finished reloading resource files\n";	3454	warn "finished reloading resource files\n";
3151	}	3455	}
3152		3456
3153	sub init {
3154	reload_resources;
3155	}
3156
3157	sub reload_config {	3457	sub reload_config {
		3458	warn "reloading config file...\n";
		3459
3158	open my $fh, "<:utf8", "$CONFDIR/config"	3460	open my $fh, "<:utf8", "$CONFDIR/config"
3159	or return;	3461	or return;
3160		3462
3161	local $/;	3463	local $/;
3162	*CFG = YAML::Syck::Load <$fh>;	3464	*CFG = YAML::XS::Load scalar <$fh>;
3163		3465
3164	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3466	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3165		3467
3166	$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};
3167	$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};
…		…
3171	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3473	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
3172	and die "WARNING: m(un)lockall failed: $!\n";	3474	and die "WARNING: m(un)lockall failed: $!\n";
3173	};	3475	};
3174	warn $@ if $@;	3476	warn $@ if $@;
3175	}	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;
3176	}	3508	}
3177		3509
3178	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
3179	# we must not ever block the main coroutine	3525	# we must not ever block the main coroutine
3180	local $Coro::idle = sub {	3526	local $Coro::idle = sub {
3181	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#
3182	(async {	3528	(async {
3183	Event::one_event;	3529	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3530	EV::loop EV::LOOP_ONESHOT;
3184	})->prio (Coro::PRIO_MAX);	3531	})->prio (Coro::PRIO_MAX);
3185	};	3532	};
3186		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;
3187	reload_config;	3541	reload_config;
3188	db_init;	3542	db_init;
		3543
		3544	cf::init_uuid;
		3545	cf::init_signals;
		3546	cf::init_skills;
		3547
		3548	cf::init_beforeplay;
		3549
		3550	atomic;
		3551
3189	load_extensions;	3552	load_extensions;
3190		3553
3191	$TICK_WATCHER->start;	3554	utime time, time, $RUNTIMEFILE;
3192	Event::loop;	3555
		3556	# no (long-running) fork's whatsoever before this point(!)
		3557	use POSIX ();
		3558	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3559
		3560	(pop @POST_INIT)->(0) while @POST_INIT;
		3561	};
		3562
		3563	main_loop;
3193	}	3564	}
3194		3565
3195	#############################################################################	3566	#############################################################################
3196	# initialisation and cleanup	3567	# initialisation and cleanup
3197		3568
3198	# install some emergency cleanup handlers	3569	# install some emergency cleanup handlers
3199	BEGIN {	3570	BEGIN {
		3571	our %SIGWATCHER = ();
3200	for my $signal (qw(INT HUP TERM)) {	3572	for my $signal (qw(INT HUP TERM)) {
3201	Event->signal (	3573	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3202	reentrant => 0,
3203	data => WF_AUTOCANCEL,
3204	signal => $signal,
3205	prio => 0,
3206	cb => sub {
3207	cf::cleanup "SIG$signal";	3574	cf::cleanup "SIG$signal";
3208	},
3209	);	3575	};
3210	}	3576	}
3211	}	3577	}
3212		3578
3213	sub write_runtime {	3579	sub write_runtime_sync {
3214	my $runtime = "$LOCALDIR/runtime";	3580	my $t0 = EV::time;
3215		3581
3216	# first touch the runtime file to show we are still running:	3582	# first touch the runtime file to show we are still running:
3217	# the fsync below can take a very very long time.	3583	# the fsync below can take a very very long time.
3218		3584
3219	IO::AIO::aio_utime $runtime, undef, undef;	3585	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3220		3586
3221	my $guard = cf::lock_acquire "write_runtime";	3587	my $guard = cf::lock_acquire "write_runtime";
3222		3588
3223	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3589	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3224	or return;	3590	or return;
3225		3591
3226	my $value = $cf::RUNTIME + 90 + 10;	3592	my $value = $cf::RUNTIME + 90 + 10;
3227	# 10 is the runtime save interval, for a monotonic clock	3593	# 10 is the runtime save interval, for a monotonic clock
3228	# 60 allows for the watchdog to kill the server.	3594	# 60 allows for the watchdog to kill the server.
…		…
3238	aio_utime $fh, undef, undef;	3604	aio_utime $fh, undef, undef;
3239		3605
3240	close $fh	3606	close $fh
3241	or return;	3607	or return;
3242		3608
3243	aio_rename "$runtime~", $runtime	3609	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3244	and return;	3610	and return;
3245		3611
3246	warn "runtime file written.\n";	3612	warn sprintf "runtime file written (%gs).\n", EV::time - $t0;
3247		3613
3248	1	3614	1
		3615	}
		3616
		3617	our $uuid_lock;
		3618	our $uuid_skip;
		3619
		3620	sub write_uuid_sync($) {
		3621	$uuid_skip ||= $_[0];
		3622
		3623	return if $uuid_lock;
		3624	local $uuid_lock = 1;
		3625
		3626	my $uuid = "$LOCALDIR/uuid";
		3627
		3628	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3629	or return;
		3630
		3631	my $value = uuid_seq uuid_cur;
		3632
		3633	unless ($value) {
		3634	warn "cowardly refusing to write zero uuid value!\n";
		3635	return;
		3636	}
		3637
		3638	my $value = uuid_str $value + $uuid_skip;
		3639	$uuid_skip = 0;
		3640
		3641	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3642	and return;
		3643
		3644	# always fsync - this file is important
		3645	aio_fsync $fh
		3646	and return;
		3647
		3648	close $fh
		3649	or return;
		3650
		3651	aio_rename "$uuid~", $uuid
		3652	and return;
		3653
		3654	warn "uuid file written ($value).\n";
		3655
		3656	1
		3657
		3658	}
		3659
		3660	sub write_uuid($$) {
		3661	my ($skip, $sync) = @_;
		3662
		3663	$sync ? write_uuid_sync $skip
		3664	: async { write_uuid_sync $skip };
3249	}	3665	}
3250		3666
3251	sub emergency_save() {	3667	sub emergency_save() {
3252	my $freeze_guard = cf::freeze_mainloop;	3668	my $freeze_guard = cf::freeze_mainloop;
3253		3669
3254	warn "enter emergency perl save\n";	3670	warn "emergency_perl_save: enter\n";
3255		3671
3256	cf::sync_job {	3672	cf::sync_job {
		3673	# this is a trade-off: we want to be very quick here, so
		3674	# save all maps without fsync, and later call a global sync
		3675	# (which in turn might be very very slow)
		3676	local $USE_FSYNC = 0;
		3677
3257	# use a peculiar iteration method to avoid tripping on perl	3678	# use a peculiar iteration method to avoid tripping on perl
3258	# refcount bugs in for. also avoids problems with players	3679	# refcount bugs in for. also avoids problems with players
3259	# and maps saved/destroyed asynchronously.	3680	# and maps saved/destroyed asynchronously.
3260	warn "begin emergency player save\n";	3681	warn "emergency_perl_save: begin player save\n";
3261	for my $login (keys %cf::PLAYER) {	3682	for my $login (keys %cf::PLAYER) {
3262	my $pl = $cf::PLAYER{$login} or next;	3683	my $pl = $cf::PLAYER{$login} or next;
3263	$pl->valid or next;	3684	$pl->valid or next;
		3685	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3264	$pl->save;	3686	$pl->save;
3265	}	3687	}
3266	warn "end emergency player save\n";	3688	warn "emergency_perl_save: end player save\n";
3267		3689
3268	warn "begin emergency map save\n";	3690	warn "emergency_perl_save: begin map save\n";
3269	for my $path (keys %cf::MAP) {	3691	for my $path (keys %cf::MAP) {
3270	my $map = $cf::MAP{$path} or next;	3692	my $map = $cf::MAP{$path} or next;
3271	$map->valid or next;	3693	$map->valid or next;
3272	$map->save;	3694	$map->save;
3273	}	3695	}
3274	warn "end emergency map save\n";	3696	warn "emergency_perl_save: end map save\n";
3275		3697
3276	warn "begin emergency database checkpoint\n";	3698	warn "emergency_perl_save: begin database checkpoint\n";
3277	BDB::db_env_txn_checkpoint $DB_ENV;	3699	BDB::db_env_txn_checkpoint $DB_ENV;
3278	warn "end emergency database checkpoint\n";	3700	warn "emergency_perl_save: end database checkpoint\n";
		3701
		3702	warn "emergency_perl_save: begin write uuid\n";
		3703	write_uuid_sync 1;
		3704	warn "emergency_perl_save: end write uuid\n";
3279	};	3705	};
3280		3706
		3707	warn "emergency_perl_save: starting sync()\n";
		3708	IO::AIO::aio_sync sub {
		3709	warn "emergency_perl_save: finished sync()\n";
		3710	};
		3711
3281	warn "leave emergency perl save\n";	3712	warn "emergency_perl_save: leave\n";
3282	}	3713	}
3283		3714
3284	sub post_cleanup {	3715	sub post_cleanup {
3285	my ($make_core) = @_;	3716	my ($make_core) = @_;
3286		3717
3287	warn Carp::longmess "post_cleanup backtrace"	3718	warn Carp::longmess "post_cleanup backtrace"
3288	if $make_core;	3719	if $make_core;
		3720
		3721	my $fh = pidfile;
		3722	unlink $PIDFILE if <$fh> == $$;
		3723	}
		3724
		3725	# a safer delete_package, copied from Symbol
		3726	sub clear_package($) {
		3727	my $pkg = shift;
		3728
		3729	# expand to full symbol table name if needed
		3730	unless ($pkg =~ /^main::.*::$/) {
		3731	$pkg = "main$pkg" if $pkg =~ /^::/;
		3732	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3733	$pkg .= '::' unless $pkg =~ /::$/;
		3734	}
		3735
		3736	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3737	my $stem_symtab = *{$stem}{HASH};
		3738
		3739	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3740	or return;
		3741
		3742	# clear all symbols
		3743	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3744	for my $name (keys %$leaf_symtab) {
		3745	_gv_clear *{"$pkg$name"};
		3746	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3747	}
		3748	warn "cleared package $pkg\n";#d#
3289	}	3749	}
3290		3750
3291	sub do_reload_perl() {	3751	sub do_reload_perl() {
3292	# can/must only be called in main	3752	# can/must only be called in main
3293	if ($Coro::current != $Coro::main) {	3753	if ($Coro::current != $Coro::main) {
3294	warn "can only reload from main coroutine";	3754	warn "can only reload from main coroutine";
3295	return;	3755	return;
3296	}	3756	}
3297		3757
		3758	return if $RELOAD++;
		3759
		3760	my $t1 = EV::time;
		3761
		3762	while ($RELOAD) {
3298	warn "reloading...";	3763	warn "reloading...";
3299		3764
3300	warn "entering sync_job";	3765	warn "entering sync_job";
3301		3766
3302	cf::sync_job {	3767	cf::sync_job {
3303	cf::write_runtime; # external watchdog should not bark	3768	cf::write_runtime_sync; # external watchdog should not bark
3304	cf::emergency_save;	3769	cf::emergency_save;
3305	cf::write_runtime; # external watchdog should not bark	3770	cf::write_runtime_sync; # external watchdog should not bark
3306		3771
3307	warn "syncing database to disk";	3772	warn "syncing database to disk";
3308	BDB::db_env_txn_checkpoint $DB_ENV;	3773	BDB::db_env_txn_checkpoint $DB_ENV;
3309		3774
3310	# if anything goes wrong in here, we should simply crash as we already saved	3775	# if anything goes wrong in here, we should simply crash as we already saved
3311		3776
3312	warn "cancelling all WF_AUTOCANCEL watchers";
3313	for (Event::all_watchers) {
3314	$_->cancel if $_->data & WF_AUTOCANCEL;
3315	}
3316
3317	warn "flushing outstanding aio requests";	3777	warn "flushing outstanding aio requests";
3318	for (;;) {
3319	BDB::flush;
3320	IO::AIO::flush;
3321	Coro::cede;
3322	last unless IO::AIO::nreqs || BDB::nreqs;	3778	while (IO::AIO::nreqs || BDB::nreqs) {
3323	warn "iterate...";	3779	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3324	}
3325
3326	++$RELOAD;
3327
3328	warn "cancelling all extension coros";
3329	$_->cancel for values %EXT_CORO;
3330	%EXT_CORO = ();
3331
3332	warn "removing commands";
3333	%COMMAND = ();
3334
3335	warn "removing ext/exti commands";
3336	%EXTCMD = ();
3337	%EXTICMD = ();
3338
3339	warn "unloading/nuking all extensions";
3340	for my $pkg (@EXTS) {
3341	warn "... unloading $pkg";
3342
3343	if (my $cb = $pkg->can ("unload")) {
3344	eval {
3345	$cb->($pkg);
3346	1
3347	} or warn "$pkg unloaded, but with errors: $@";
3348	}	3780	}
3349		3781
3350	warn "... nuking $pkg";	3782	warn "cancelling all extension coros";
3351	Symbol::delete_package $pkg;	3783	$_->cancel for values %EXT_CORO;
3352	}	3784	%EXT_CORO = ();
3353		3785
3354	warn "unloading all perl modules loaded from $LIBDIR";	3786	warn "removing commands";
3355	while (my ($k, $v) = each %INC) {	3787	%COMMAND = ();
3356	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3357		3788
		3789	warn "removing ext/exti commands";
		3790	%EXTCMD = ();
		3791	%EXTICMD = ();
		3792
		3793	warn "unloading/nuking all extensions";
		3794	for my $pkg (@EXTS) {
3358	warn "... unloading $k";	3795	warn "... unloading $pkg";
3359	delete $INC{$k};
3360		3796
3361	$k =~ s/\.pm$//;
3362	$k =~ s/\//::/g;
3363
3364	if (my $cb = $k->can ("unload_module")) {	3797	if (my $cb = $pkg->can ("unload")) {
		3798	eval {
3365	$cb->();	3799	$cb->($pkg);
		3800	1
		3801	} or warn "$pkg unloaded, but with errors: $@";
		3802	}
		3803
		3804	warn "... clearing $pkg";
		3805	clear_package $pkg;
3366	}	3806	}
3367		3807
3368	Symbol::delete_package $k;	3808	warn "unloading all perl modules loaded from $LIBDIR";
		3809	while (my ($k, $v) = each %INC) {
		3810	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3811
		3812	warn "... unloading $k";
		3813	delete $INC{$k};
		3814
		3815	$k =~ s/\.pm$//;
		3816	$k =~ s/\//::/g;
		3817
		3818	if (my $cb = $k->can ("unload_module")) {
		3819	$cb->();
		3820	}
		3821
		3822	clear_package $k;
3369	}	3823	}
3370		3824
3371	warn "getting rid of safe::, as good as possible";	3825	warn "getting rid of safe::, as good as possible";
3372	Symbol::delete_package "safe::$_"	3826	clear_package "safe::$_"
3373	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3827	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3374		3828
3375	warn "unloading cf.pm \"a bit\"";	3829	warn "unloading cf.pm \"a bit\"";
3376	delete $INC{"cf.pm"};	3830	delete $INC{"cf.pm"};
3377	delete $INC{"cf/pod.pm"};	3831	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3378		3832
3379	# don't, removes xs symbols, too,	3833	# don't, removes xs symbols, too,
3380	# and global variables created in xs	3834	# and global variables created in xs
3381	#Symbol::delete_package __PACKAGE__;	3835	#clear_package __PACKAGE__;
3382		3836
3383	warn "unload completed, starting to reload now";	3837	warn "unload completed, starting to reload now";
3384		3838
3385	warn "reloading cf.pm";	3839	warn "reloading cf.pm";
3386	require cf;	3840	require cf;
3387	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3841	cf::_connect_to_perl_1;
3388		3842
3389	warn "loading config and database again";	3843	warn "loading config and database again";
3390	cf::reload_config;	3844	cf::reload_config;
3391		3845
3392	warn "loading extensions";	3846	warn "loading extensions";
3393	cf::load_extensions;	3847	cf::load_extensions;
3394		3848
		3849	if ($REATTACH_ON_RELOAD) {
3395	warn "reattaching attachments to objects/players";	3850	warn "reattaching attachments to objects/players";
3396	_global_reattach; # objects, sockets	3851	_global_reattach; # objects, sockets
3397	warn "reattaching attachments to maps";	3852	warn "reattaching attachments to maps";
3398	reattach $_ for values %MAP;	3853	reattach $_ for values %MAP;
3399	warn "reattaching attachments to players";	3854	warn "reattaching attachments to players";
3400	reattach $_ for values %PLAYER;	3855	reattach $_ for values %PLAYER;
		3856	}
3401		3857
		3858	warn "running post_init jobs";
		3859	(pop @POST_INIT)->(1) while @POST_INIT;
		3860
3402	warn "leaving sync_job";	3861	warn "leaving sync_job";
3403		3862
3404	1	3863	1
3405	} or do {	3864	} or do {
3406	warn $@;	3865	warn $@;
3407	warn "error while reloading, exiting.";	3866	cf::cleanup "error while reloading, exiting.";
3408	exit 1;
3409	};	3867	};
3410		3868
3411	warn "reloaded";	3869	warn "reloaded";
		3870	--$RELOAD;
		3871	}
		3872
		3873	$t1 = EV::time - $t1;
		3874	warn "reload completed in ${t1}s\n";
3412	};	3875	};
3413		3876
3414	our $RELOAD_WATCHER; # used only during reload	3877	our $RELOAD_WATCHER; # used only during reload
3415		3878
3416	sub reload_perl() {	3879	sub reload_perl() {
3417	# doing reload synchronously and two reloads happen back-to-back,	3880	# doing reload synchronously and two reloads happen back-to-back,
3418	# coro crashes during coro_state_free->destroy here.	3881	# coro crashes during coro_state_free->destroy here.
3419		3882
3420	$RELOAD_WATCHER ||= Event->timer (	3883	$RELOAD_WATCHER ||= cf::async {
3421	reentrant => 0,	3884	Coro::AIO::aio_wait cache_extensions;
3422	after => 0,	3885
3423	data => WF_AUTOCANCEL,	3886	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3424	cb => sub {
3425	do_reload_perl;	3887	do_reload_perl;
3426	undef $RELOAD_WATCHER;	3888	undef $RELOAD_WATCHER;
3427	},	3889	};
3428	);	3890	};
3429	}	3891	}
3430		3892
3431	register_command "reload" => sub {	3893	register_command "reload" => sub {
3432	my ($who, $arg) = @_;	3894	my ($who, $arg) = @_;
3433		3895
3434	if ($who->flag (FLAG_WIZ)) {	3896	if ($who->flag (FLAG_WIZ)) {
3435	$who->message ("reloading server.");	3897	$who->message ("reloading server.");
		3898	async {
		3899	$Coro::current->{desc} = "perl_reload";
3436	async { reload_perl };	3900	reload_perl;
		3901	};
3437	}	3902	}
3438	};	3903	};
3439		3904
3440	unshift @INC, $LIBDIR;	3905	unshift @INC, $LIBDIR;
3441		3906
…		…
3443		3908
3444	our @WAIT_FOR_TICK;	3909	our @WAIT_FOR_TICK;
3445	our @WAIT_FOR_TICK_BEGIN;	3910	our @WAIT_FOR_TICK_BEGIN;
3446		3911
3447	sub wait_for_tick {	3912	sub wait_for_tick {
3448	return unless $TICK_WATCHER->is_active;
3449	return if $Coro::current == $Coro::main;	3913	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3450		3914
3451	my $signal = new Coro::Signal;	3915	my $signal = new Coro::Signal;
3452	push @WAIT_FOR_TICK, $signal;	3916	push @WAIT_FOR_TICK, $signal;
3453	$signal->wait;	3917	$signal->wait;
3454	}	3918	}
3455		3919
3456	sub wait_for_tick_begin {	3920	sub wait_for_tick_begin {
3457	return unless $TICK_WATCHER->is_active;
3458	return if $Coro::current == $Coro::main;	3921	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3459		3922
3460	my $signal = new Coro::Signal;	3923	my $signal = new Coro::Signal;
3461	push @WAIT_FOR_TICK_BEGIN, $signal;	3924	push @WAIT_FOR_TICK_BEGIN, $signal;
3462	$signal->wait;	3925	$signal->wait;
3463	}	3926	}
3464		3927
3465	our $stat_fh;	3928	sub tick {
3466	sysopen $stat_fh, "/tmp/cfstats", Fcntl::O_APPEND | Fcntl::O_CREAT | Fcntl::O_WRONLY, 0600;#d#
3467
3468	$TICK_WATCHER = Event->timer (
3469	reentrant => 0,
3470	parked => 1,
3471	prio => 0,
3472	at => $NEXT_TICK || $TICK,
3473	data => WF_AUTOCANCEL,
3474	cb => sub {
3475	if ($Coro::current != $Coro::main) {	3929	if ($Coro::current != $Coro::main) {
3476	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3930	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3477	unless ++$bug_warning > 10;	3931	unless ++$bug_warning > 10;
3478	return;	3932	return;
3479	}	3933	}
3480		3934
3481	my @pl = cf::player::list; my $stats = sprintf "%.2f %d %d %d", $RUNTIME, (scalar @pl), cf::object::actives_size, cf::object::objects_size; #d#
3482
3483	$NOW = $tick_start = Event::time;
3484
3485	cf::server_tick; # one server iteration	3935	cf::server_tick; # one server iteration
3486		3936
3487	$RUNTIME += $TICK;	3937	#for(1..3e6){} EV::now_update; $NOW=EV::now; # generate load #d#
3488	$NEXT_TICK += $TICK;
3489		3938
3490	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3939	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3491	$NEXT_RUNTIME_WRITE = $NOW + 10;	3940	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3492	Coro::async_pool {	3941	Coro::async_pool {
		3942	$Coro::current->{desc} = "runtime saver";
3493	write_runtime	3943	write_runtime_sync
3494	or warn "ERROR: unable to write runtime file: $!";	3944	or warn "ERROR: unable to write runtime file: $!";
3495	};
3496	}	3945	};
		3946	}
3497		3947
3498	# my $AFTER = Event::time;
3499	# warn $AFTER - $NOW;#d#
3500
3501	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3948	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3502	$sig->send;	3949	$sig->send;
3503	}	3950	}
3504	while (my $sig = shift @WAIT_FOR_TICK) {	3951	while (my $sig = shift @WAIT_FOR_TICK) {
3505	$sig->send;	3952	$sig->send;
3506	}	3953	}
3507		3954
3508	$NOW = Event::time;	3955	$LOAD = ($NOW - $TICK_START) / $TICK;
3509
3510	# if we are delayed by four ticks or more, skip them all
3511	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3512
3513	$TICK_WATCHER->at ($NEXT_TICK);
3514	$TICK_WATCHER->start;
3515
3516	$LOAD = ($NOW - $tick_start) / $TICK;
3517	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3956	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3518		3957
3519	_post_tick;	3958	if (0) {
3520		3959	if ($NEXT_TICK) {
3521	# gather some statistics#d#	3960	my $jitter = $TICK_START - $NEXT_TICK;
3522	$stats .= sprintf " %d\n", 10000 * ($NOW - $tick_start);#d#	3961	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
3523	IO::AIO::aio_write $stat_fh, undef, undef, $stats, 0;#d#	3962	warn "jitter $JITTER\n";#d#
		3963	}
3524	},	3964	}
3525	);	3965	}
3526		3966
3527	{	3967	{
		3968	# configure BDB
		3969
3528	BDB::min_parallel 8;	3970	BDB::min_parallel 16;
3529	BDB::max_poll_time $TICK * 0.1;	3971	BDB::max_poll_reqs $TICK * 0.1;
3530	$BDB_POLL_WATCHER = Event->io (	3972	$AnyEvent::BDB::WATCHER->priority (1);
3531	reentrant => 0,
3532	fd => BDB::poll_fileno,
3533	poll => 'r',
3534	prio => 0,
3535	data => WF_AUTOCANCEL,
3536	cb => \&BDB::poll_cb,
3537	);
3538
3539	BDB::set_sync_prepare {
3540	my $status;
3541	my $current = $Coro::current;
3542	(
3543	sub {
3544	$status = $!;
3545	$current->ready; undef $current;
3546	},
3547	sub {
3548	Coro::schedule while defined $current;
3549	$! = $status;
3550	},
3551	)
3552	};
3553		3973
3554	unless ($DB_ENV) {	3974	unless ($DB_ENV) {
3555	$DB_ENV = BDB::db_env_create;	3975	$DB_ENV = BDB::db_env_create;
		3976	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3977	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3978	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3979	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3980	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3556		3981
3557	cf::sync_job {	3982	cf::sync_job {
3558	eval {	3983	eval {
3559	BDB::db_env_open	3984	BDB::db_env_open
3560	$DB_ENV,	3985	$DB_ENV,
…		…
3562	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3987	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3563	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3988	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3564	0666;	3989	0666;
3565		3990
3566	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3991	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3567
3568	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3569	| BDB::LOG_AUTOREMOVE, 1);
3570	$DB_ENV->set_lk_detect;
3571	};	3992	};
3572		3993
3573	cf::cleanup "db_env_open(db): $@" if $@;	3994	cf::cleanup "db_env_open(db): $@" if $@;
3574	};	3995	};
3575	}	3996	}
3576		3997
3577	$BDB_CHECKPOINT_WATCHER = Event->timer (	3998	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3578	after => 11,	3999	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3579	interval => 60,	4000	};
3580	hard => 1,	4001	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3581	prio => 0,
3582	data => WF_AUTOCANCEL,
3583	cb => sub {
3584	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4002	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3585	},
3586	);	4003	};
3587	$BDB_TRICKLE_WATCHER = Event->timer (	4004	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3588	after => 5,
3589	interval => 10,
3590	hard => 1,
3591	prio => 0,
3592	data => WF_AUTOCANCEL,
3593	cb => sub {
3594	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4005	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3595	},
3596	);	4006	};
3597	}	4007	}
3598		4008
3599	{	4009	{
		4010	# configure IO::AIO
		4011
3600	IO::AIO::min_parallel 8;	4012	IO::AIO::min_parallel 8;
3601
3602	undef $Coro::AIO::WATCHER;
3603	IO::AIO::max_poll_time $TICK * 0.1;	4013	IO::AIO::max_poll_time $TICK * 0.1;
3604	$AIO_POLL_WATCHER = Event->io (	4014	undef $AnyEvent::AIO::WATCHER;
3605	reentrant => 0,
3606	data => WF_AUTOCANCEL,
3607	fd => IO::AIO::poll_fileno,
3608	poll => 'r',
3609	prio => 6,
3610	cb => \&IO::AIO::poll_cb,
3611	);
3612	}	4015	}
3613		4016
3614	my $_log_backtrace;	4017	my $_log_backtrace;
3615		4018
3616	sub _log_backtrace {	4019	sub _log_backtrace {
…		…
3619	$msg =~ s/\n//;	4022	$msg =~ s/\n//;
3620		4023
3621	# limit the # of concurrent backtraces	4024	# limit the # of concurrent backtraces
3622	if ($_log_backtrace < 2) {	4025	if ($_log_backtrace < 2) {
3623	++$_log_backtrace;	4026	++$_log_backtrace;
		4027	my $perl_bt = Carp::longmess $msg;
3624	async {	4028	async {
		4029	$Coro::current->{desc} = "abt $msg";
		4030
3625	my @bt = fork_call {	4031	my @bt = fork_call {
3626	@addr = map { sprintf "%x", $_ } @addr;	4032	@addr = map { sprintf "%x", $_ } @addr;
3627	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4033	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3628	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4034	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3629	or die "addr2line: $!";	4035	or die "addr2line: $!";
…		…
3637	}	4043	}
3638		4044
3639	@funcs	4045	@funcs
3640	};	4046	};
3641		4047
3642	LOG llevInfo, "[ABT] $msg\n";	4048	LOG llevInfo, "[ABT] $perl_bt\n";
		4049	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3643	LOG llevInfo, "[ABT] $_\n" for @bt;	4050	LOG llevInfo, "[ABT] $_\n" for @bt;
3644	--$_log_backtrace;	4051	--$_log_backtrace;
3645	};	4052	};
3646	} else {	4053	} else {
3647	LOG llevInfo, "[ABT] $msg\n";	4054	LOG llevInfo, "[ABT] $msg\n";
3648	LOG llevInfo, "[ABT] [suppressed]\n";	4055	LOG llevInfo, "[ABT] [suppressed]\n";
3649	}	4056	}
3650	}	4057	}
3651		4058
3652	# load additional modules	4059	# load additional modules
3653	use cf::pod;	4060	require "cf/$_.pm" for @EXTRA_MODULES;
		4061	cf::_connect_to_perl_2;
3654		4062
3655	END { cf::emergency_save }	4063	END { cf::emergency_save }
3656		4064
3657	1	4065	1
3658		4066

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