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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 1.511 by root, Wed Apr 7 18:35:56 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	}
1365	}	1536	}
1366		1537
		1538	cf::player->attach (
		1539	on_load => sub {
		1540	my ($pl, $path) = @_;
		1541
		1542	# restore slots saved in save, below
		1543	my $slots = delete $pl->{_slots};
		1544
		1545	$pl->ob->current_weapon ($slots->[0]);
		1546	$pl->combat_ob ($slots->[1]);
		1547	$pl->ranged_ob ($slots->[2]);
		1548	},
		1549	);
		1550
1367	sub save($) {	1551	sub save($) {
1368	my ($pl) = @_;	1552	my ($pl) = @_;
1369		1553
1370	return if $pl->{deny_save};	1554	return if $pl->{deny_save};
1371		1555
…		…
1374		1558
1375	return if $pl->{deny_save};	1559	return if $pl->{deny_save};
1376		1560
1377	aio_mkdir playerdir $pl, 0770;	1561	aio_mkdir playerdir $pl, 0770;
1378	$pl->{last_save} = $cf::RUNTIME;	1562	$pl->{last_save} = $cf::RUNTIME;
		1563
		1564	cf::get_slot 0.01;
		1565
		1566	# save slots, to be restored later
		1567	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1379		1568
1380	$pl->save_pl ($path);	1569	$pl->save_pl ($path);
1381	cf::cede_to_tick;	1570	cf::cede_to_tick;
1382	}	1571	}
1383		1572
…		…
1415	my ($pl) = @_;	1604	my ($pl) = @_;
1416		1605
1417	my $name = $pl->ob->name;	1606	my $name = $pl->ob->name;
1418		1607
1419	$pl->{deny_save} = 1;	1608	$pl->{deny_save} = 1;
1420	$pl->password ("*"); # this should lock out the player until we nuked the dir	1609	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1421		1610
1422	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1611	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1423	$pl->deactivate;	1612	$pl->deactivate;
		1613	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1614	$pl->ob->check_score;
1424	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1615	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1425	$pl->ns->destroy if $pl->ns;	1616	$pl->ns->destroy if $pl->ns;
1426		1617
1427	my $path = playerdir $pl;	1618	my $path = playerdir $pl;
1428	my $temp = "$path~$cf::RUNTIME~deleting~";	1619	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1467		1658
1468	for my $login (@$dirs) {	1659	for my $login (@$dirs) {
1469	my $path = path $login;	1660	my $path = path $login;
1470		1661
1471	# a .pst is a dead give-away for a valid player	1662	# a .pst is a dead give-away for a valid player
1472	unless (-e "$path.pst") {	1663	# if no pst file found, open and chekc for blocked users
		1664	if (aio_stat "$path.pst") {
1473	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1665	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1474	aio_read $fh, 0, 512, my $buf, 0 or next;	1666	aio_read $fh, 0, 512, my $buf, 0 or next;
1475	$buf !~ /^password -------------$/m or next; # official not-valid tag	1667	$buf !~ /^password -------------$/m or next; # official not-valid tag
1476	}	1668	}
1477		1669
…		…
1508	}	1700	}
1509		1701
1510	\@paths	1702	\@paths
1511	}	1703	}
1512		1704
1513	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1705	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1514		1706
1515	Expand crossfire pod fragments into protocol xml.	1707	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		1708
1564	=item $player->ext_reply ($msgid, @msg)	1709	=item $player->ext_reply ($msgid, @msg)
1565		1710
1566	Sends an ext reply to the player.	1711	Sends an ext reply to the player.
1567		1712
…		…
1634	our $MAX_RESET = 3600;	1779	our $MAX_RESET = 3600;
1635	our $DEFAULT_RESET = 3000;	1780	our $DEFAULT_RESET = 3000;
1636		1781
1637	sub generate_random_map {	1782	sub generate_random_map {
1638	my ($self, $rmp) = @_;	1783	my ($self, $rmp) = @_;
		1784
		1785	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1786
1639	# mit "rum" bekleckern, nicht	1787	# mit "rum" bekleckern, nicht
1640	$self->_create_random_map (	1788	$self->_create_random_map (
1641	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1789	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1642	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1790	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1643	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1791	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1644	$rmp->{exit_on_final_map},	1792	$rmp->{exit_on_final_map},
1645	$rmp->{xsize}, $rmp->{ysize},	1793	$rmp->{xsize}, $rmp->{ysize},
1646	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1794	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1647	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1795	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1765		1913
1766	# the temporary/swap location	1914	# the temporary/swap location
1767	sub save_path {	1915	sub save_path {
1768	my ($self) = @_;	1916	my ($self) = @_;
1769		1917
1770	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1918	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1771	"$TMPDIR/$path.map"	1919	"$TMPDIR/$path.map"
1772	}	1920	}
1773		1921
1774	# the unique path, undef == no special unique path	1922	# the unique path, undef == no special unique path
1775	sub uniq_path {	1923	sub uniq_path {
1776	my ($self) = @_;	1924	my ($self) = @_;
1777		1925
1778	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1926	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1779	"$UNIQUEDIR/$path"	1927	"$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	}	1928	}
1790		1929
1791	sub decay_objects {	1930	sub decay_objects {
1792	my ($self) = @_;	1931	my ($self) = @_;
1793		1932
…		…
1877	sub find {	2016	sub find {
1878	my ($path, $origin) = @_;	2017	my ($path, $origin) = @_;
1879		2018
1880	$path = normalise $path, $origin && $origin->path;	2019	$path = normalise $path, $origin && $origin->path;
1881		2020
1882	cf::lock_wait "map_data:$path";#d#remove	2021	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1883	cf::lock_wait "map_find:$path";	2022	my $guard2 = cf::lock_acquire "map_find:$path";
1884		2023
1885	$cf::MAP{$path} || do {	2024	$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	2025	my $map = new_from_path cf::map $path
1890	or return;	2026	or return;
1891		2027
1892	$map->{last_save} = $cf::RUNTIME;	2028	$map->{last_save} = $cf::RUNTIME;
1893		2029
…		…
1895	or return;	2031	or return;
1896		2032
1897	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2033	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1898	# doing this can freeze the server in a sync job, obviously	2034	# doing this can freeze the server in a sync job, obviously
1899	#$cf::WAIT_FOR_TICK->wait;	2035	#$cf::WAIT_FOR_TICK->wait;
		2036	undef $guard2;
1900	undef $guard1;	2037	undef $guard1;
1901	undef $guard2;
1902	$map->reset;	2038	$map->reset;
1903	return find $path;	2039	return find $path;
1904	}	2040	}
1905		2041
1906	$cf::MAP{$path} = $map	2042	$cf::MAP{$path} = $map
1907	}	2043	}
1908	}	2044	}
1909		2045
1910	sub pre_load { }	2046	sub pre_load { }
1911	sub post_load { }	2047	#sub post_load { } # XS
1912		2048
1913	sub load {	2049	sub load {
1914	my ($self) = @_;	2050	my ($self) = @_;
1915		2051
1916	local $self->{deny_reset} = 1; # loading can take a long time	2052	local $self->{deny_reset} = 1; # loading can take a long time
…		…
1933	my $f = new_from_file cf::object::thawer $self->{load_path};	2069	my $f = new_from_file cf::object::thawer $self->{load_path};
1934	$f->skip_block;	2070	$f->skip_block;
1935	$self->_load_objects ($f)	2071	$self->_load_objects ($f)
1936	or return;	2072	or return;
1937		2073
1938	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2074	$self->post_load_original
1939	if delete $self->{load_original};	2075	if delete $self->{load_original};
1940		2076
1941	if (my $uniq = $self->uniq_path) {	2077	if (my $uniq = $self->uniq_path) {
1942	utf8::encode $uniq;	2078	utf8::encode $uniq;
1943	unless (aio_stat $uniq) {	2079	unless (aio_stat $uniq) {
…		…
1961	unless ($self->{deny_activate}) {	2097	unless ($self->{deny_activate}) {
1962	$self->decay_objects;	2098	$self->decay_objects;
1963	$self->fix_auto_apply;	2099	$self->fix_auto_apply;
1964	$self->update_buttons;	2100	$self->update_buttons;
1965	cf::cede_to_tick;	2101	cf::cede_to_tick;
1966	$self->set_darkness_map;
1967	cf::cede_to_tick;
1968	$self->activate;	2102	$self->activate;
1969	}	2103	}
1970		2104
1971	$self->{last_save} = $cf::RUNTIME;	2105	$self->{last_save} = $cf::RUNTIME;
1972	$self->last_access ($cf::RUNTIME);	2106	$self->last_access ($cf::RUNTIME);
1973		2107
1974	$self->in_memory (cf::MAP_IN_MEMORY);	2108	$self->in_memory (cf::MAP_ACTIVE);
1975	}	2109	}
1976		2110
1977	$self->post_load;	2111	$self->post_load;
1978	}	2112	}
1979		2113
		2114	# customize the map for a given player, i.e.
		2115	# return the _real_ map. used by e.g. per-player
		2116	# maps to change the path to ~playername/mappath
1980	sub customise_for {	2117	sub customise_for {
1981	my ($self, $ob) = @_;	2118	my ($self, $ob) = @_;
1982		2119
1983	return find "~" . $ob->name . "/" . $self->{path}	2120	return find "~" . $ob->name . "/" . $self->{path}
1984	if $self->per_player;	2121	if $self->per_player;
…		…
2037	my ($path, $origin, $load) = @_;	2174	my ($path, $origin, $load) = @_;
2038		2175
2039	$path = normalise $path, $origin && $origin->{path};	2176	$path = normalise $path, $origin && $origin->{path};
2040		2177
2041	if (my $map = $cf::MAP{$path}) {	2178	if (my $map = $cf::MAP{$path}) {
2042	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2179	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2043	}	2180	}
2044		2181
2045	$MAP_PREFETCH{$path} |= $load;	2182	$MAP_PREFETCH{$path} |= $load;
2046		2183
2047	$MAP_PREFETCHER ||= cf::async {	2184	$MAP_PREFETCHER ||= cf::async {
		2185	$Coro::current->{desc} = "map prefetcher";
		2186
2048	while (%MAP_PREFETCH) {	2187	while (%MAP_PREFETCH) {
2049	while (my ($k, $v) = each %MAP_PREFETCH) {	2188	while (my ($k, $v) = each %MAP_PREFETCH) {
2050	if (my $map = find $k) {	2189	if (my $map = find $k) {
2051	$map->load if $v;	2190	$map->load if $v;
2052	}	2191	}
…		…
2078	return if $self->{deny_save};	2217	return if $self->{deny_save};
2079		2218
2080	local $self->{last_access} = $self->last_access;#d#	2219	local $self->{last_access} = $self->last_access;#d#
2081		2220
2082	cf::async {	2221	cf::async {
		2222	$Coro::current->{desc} = "map player save";
2083	$_->contr->save for $self->players;	2223	$_->contr->save for $self->players;
2084	};	2224	};
		2225
		2226	cf::get_slot 0.02;
2085		2227
2086	if ($uniq) {	2228	if ($uniq) {
2087	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2229	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2088	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2230	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2089	} else {	2231	} else {
…		…
2098	$self->save;	2240	$self->save;
2099		2241
2100	my $lock = cf::lock_acquire "map_data:$self->{path}";	2242	my $lock = cf::lock_acquire "map_data:$self->{path}";
2101		2243
2102	return if $self->players;	2244	return if $self->players;
2103	return if $self->in_memory != cf::MAP_IN_MEMORY;	2245	return if $self->in_memory != cf::MAP_ACTIVE;
2104	return if $self->{deny_save};	2246	return if $self->{deny_save};
2105		2247
2106	$self->in_memory (cf::MAP_SWAPPED);	2248	$self->in_memory (cf::MAP_SWAPPED);
2107		2249
2108	$self->deactivate;	2250	$self->deactivate;
…		…
2133		2275
2134	my $lock = cf::lock_acquire "map_data:$self->{path}";	2276	my $lock = cf::lock_acquire "map_data:$self->{path}";
2135		2277
2136	return if $self->players;	2278	return if $self->players;
2137		2279
2138	warn "resetting map ", $self->path;	2280	warn "resetting map ", $self->path, "\n";
2139		2281
2140	$self->in_memory (cf::MAP_SWAPPED);	2282	$self->in_memory (cf::MAP_SWAPPED);
2141		2283
2142	# need to save uniques path	2284	# need to save uniques path
2143	unless ($self->{deny_save}) {	2285	unless ($self->{deny_save}) {
…		…
2226		2368
2227	sub unique_maps() {	2369	sub unique_maps() {
2228	[	2370	[
2229	map {	2371	map {
2230	utf8::decode $_;	2372	utf8::decode $_;
2231	/\.map$/	2373	s/\.map$//; # TODO future compatibility hack
		2374	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2375	? ()
2232	? normalise $_	2376	: normalise $_
2233	: ()
2234	} @{ aio_readdir $UNIQUEDIR or [] }	2377	} @{ aio_readdir $UNIQUEDIR or [] }
2235	]	2378	]
2236	}	2379	}
2237		2380
2238	package cf;	2381	=item cf::map::static_maps
		2382
		2383	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2384	file in the shared directory excluding F</styles> and F</editor>). May
		2385	block.
		2386
		2387	=cut
		2388
		2389	sub static_maps() {
		2390	my @dirs = "";
		2391	my @maps;
		2392
		2393	while (@dirs) {
		2394	my $dir = shift @dirs;
		2395
		2396	next if $dir eq "/styles" || $dir eq "/editor";
		2397
		2398	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2399	or return;
		2400
		2401	for (@$files) {
		2402	s/\.map$// or next;
		2403	utf8::decode $_;
		2404	push @maps, "$dir/$_";
		2405	}
		2406
		2407	push @dirs, map "$dir/$_", @$dirs;
		2408	}
		2409
		2410	\@maps
		2411	}
2239		2412
2240	=back	2413	=back
2241		2414
2242	=head3 cf::object	2415	=head3 cf::object
2243		2416
…		…
2247		2420
2248	=over 4	2421	=over 4
2249		2422
2250	=item $ob->inv_recursive	2423	=item $ob->inv_recursive
2251		2424
2252	Returns the inventory of the object _and_ their inventories, recursively.	2425	Returns the inventory of the object I<and> their inventories, recursively,
		2426	but I<not> the object itself.
2253		2427
2254	=cut	2428	=cut
2255		2429
2256	sub inv_recursive_;	2430	sub inv_recursive_;
2257	sub inv_recursive_ {	2431	sub inv_recursive_ {
…		…
2262	inv_recursive_ inv $_[0]	2436	inv_recursive_ inv $_[0]
2263	}	2437	}
2264		2438
2265	=item $ref = $ob->ref	2439	=item $ref = $ob->ref
2266		2440
2267	creates and returns a persistent reference to an objetc that can be stored as a string.	2441	Creates and returns a persistent reference to an object that can be stored as a string.
2268		2442
2269	=item $ob = cf::object::deref ($refstring)	2443	=item $ob = cf::object::deref ($refstring)
2270		2444
2271	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2445	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2272	even if the object actually exists. May block.	2446	even if the object actually exists. May block.
…		…
2274	=cut	2448	=cut
2275		2449
2276	sub deref {	2450	sub deref {
2277	my ($ref) = @_;	2451	my ($ref) = @_;
2278		2452
2279	# temporary compatibility#TODO#remove
2280	$ref =~ s{^<}{player/<};
2281
2282	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {	2453	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2283	my ($uuid, $name) = ($1, $2);	2454	my ($uuid, $name) = ($1, $2);
2284	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name	2455	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2285	or return;	2456	or return;
2286	$pl->ob->uuid eq $uuid	2457	$pl->ob->uuid eq $uuid
2287	or return;	2458	or return;
…		…
2307	can be C<undef>. Does the right thing when the player is currently in a	2478	can be C<undef>. Does the right thing when the player is currently in a
2308	dialogue with the given NPC character.	2479	dialogue with the given NPC character.
2309		2480
2310	=cut	2481	=cut
2311		2482
		2483	our $SAY_CHANNEL = {
		2484	id => "say",
		2485	title => "Map",
		2486	reply => "say ",
		2487	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2488	};
		2489
		2490	our $CHAT_CHANNEL = {
		2491	id => "chat",
		2492	title => "Chat",
		2493	reply => "chat ",
		2494	tooltip => "Player chat and shouts, global to the server.",
		2495	};
		2496
2312	# rough implementation of a future "reply" method that works	2497	# rough implementation of a future "reply" method that works
2313	# with dialog boxes.	2498	# with dialog boxes.
2314	#TODO: the first argument must go, split into a $npc->reply_to ( method	2499	#TODO: the first argument must go, split into a $npc->reply_to ( method
2315	sub cf::object::player::reply($$$;$) {	2500	sub cf::object::player::reply($$$;$) {
2316	my ($self, $npc, $msg, $flags) = @_;	2501	my ($self, $npc, $msg, $flags) = @_;
…		…
2327	my $dialog = $pl->{npc_dialog};	2512	my $dialog = $pl->{npc_dialog};
2328	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2513	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2329		2514
2330	} else {	2515	} else {
2331	$msg = $npc->name . " says: $msg" if $npc;	2516	$msg = $npc->name . " says: $msg" if $npc;
2332	$self->message ($msg, $flags);	2517	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2333	}	2518	}
2334	}	2519	}
2335	}	2520	}
2336		2521
2337	=item $object->send_msg ($channel, $msg, $color, [extra...])	2522	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2362		2547
2363	=item $player_object->enter_link	2548	=item $player_object->enter_link
2364		2549
2365	Freezes the player and moves him/her to a special map (C<{link}>).	2550	Freezes the player and moves him/her to a special map (C<{link}>).
2366		2551
2367	The player should be reasonably safe there for short amounts of time. You	2552	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.	2553	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2554	though, as the palyer cannot control the character while it is on the link
		2555	map.
2369		2556
2370	Will never block.	2557	Will never block.
2371		2558
2372	=item $player_object->leave_link ($map, $x, $y)	2559	=item $player_object->leave_link ($map, $x, $y)
2373		2560
…		…
2425	($x, $y) = (-1, -1)	2612	($x, $y) = (-1, -1)
2426	unless (defined $x) && (defined $y);	2613	unless (defined $x) && (defined $y);
2427		2614
2428	# use -1 or undef as default coordinates, not 0, 0	2615	# use -1 or undef as default coordinates, not 0, 0
2429	($x, $y) = ($map->enter_x, $map->enter_y)	2616	($x, $y) = ($map->enter_x, $map->enter_y)
2430	if $x <=0 && $y <= 0;	2617	if $x <= 0 && $y <= 0;
2431		2618
2432	$map->load;	2619	$map->load;
2433	$map->load_neighbours;	2620	$map->load_neighbours;
2434		2621
2435	return unless $self->contr->active;	2622	return unless $self->contr->active;
2436	$self->activate_recursive;
2437		2623
2438	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2624	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2439	$self->enter_map ($map, $x, $y);	2625	$self->enter_map ($map, $x, $y);
		2626
		2627	# only activate afterwards, to support waiting in hooks
		2628	$self->activate_recursive;
2440	}	2629	}
2441		2630
2442	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2631	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2443		2632
2444	Moves the player to the given map-path and coordinates by first freezing	2633	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	2634	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	2635	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	2636	the new (success) or old (failed) map position. In either case, $done will
2448	be called at the end of this process.	2637	be called at the end of this process.
2449		2638
		2639	Note that $check will be called with a potentially non-loaded map, so if
		2640	it needs a loaded map it has to call C<< ->load >>.
		2641
2450	=cut	2642	=cut
2451		2643
2452	our $GOTOGEN;	2644	our $GOTOGEN;
2453		2645
2454	sub cf::object::player::goto {	2646	sub cf::object::player::goto {
…		…
2458	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2650	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2459		2651
2460	$self->enter_link;	2652	$self->enter_link;
2461		2653
2462	(async {	2654	(async {
		2655	$Coro::current->{desc} = "player::goto $path $x $y";
		2656
2463	# *tag paths override both path and x|y	2657	# *tag paths override both path and x|y
2464	if ($path =~ /^\*(.*)$/) {	2658	if ($path =~ /^\*(.*)$/) {
2465	if (my @obs = grep $_->map, ext::map_tags::find $1) {	2659	if (my @obs = grep $_->map, ext::map_tags::find $1) {
2466	my $ob = $obs[rand @obs];	2660	my $ob = $obs[rand @obs];
2467		2661
2468	# see if we actually can go there	2662	# see if we actually can go there
2469	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {	2663	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2470	$ob = $obs[rand @obs];	2664	$ob = $obs[rand @obs];
		2665	} else {
		2666	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2471	}	2667	}
2472	# else put him there anyways for now #d#	2668	# else put us there anyways for now #d#
2473		2669
2474	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);	2670	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2671	} else {
		2672	($path, $x, $y) = (undef, undef, undef);
2475	}	2673	}
2476	}	2674	}
2477		2675
2478	my $map = eval {	2676	my $map = eval {
2479	my $map = cf::map::find $path;	2677	my $map = defined $path ? cf::map::find $path : undef;
2480		2678
2481	if ($map) {	2679	if ($map) {
2482	$map = $map->customise_for ($self);	2680	$map = $map->customise_for ($self);
2483	$map = $check->($map) if $check && $map;	2681	$map = $check->($map) if $check && $map;
2484	} else {	2682	} else {
2485	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2683	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2486	}	2684	}
2487		2685
2488	$map	2686	$map
2489	};	2687	};
2490		2688
…		…
2526	}	2724	}
2527		2725
2528	sub prepare_random_map {	2726	sub prepare_random_map {
2529	my ($exit) = @_;	2727	my ($exit) = @_;
2530		2728
2531	my $guard = cf::lock_acquire "exit_prepare:$exit";
2532
2533	# all this does is basically replace the /! path by	2729	# all this does is basically replace the /! path by
2534	# a new random map path (?random/...) with a seed	2730	# a new random map path (?random/...) with a seed
2535	# that depends on the exit object	2731	# that depends on the exit object
2536		2732
2537	my $rmp = parse_random_map_params $exit->msg;	2733	my $rmp = parse_random_map_params $exit->msg;
…		…
2539	if ($exit->map) {	2735	if ($exit->map) {
2540	$rmp->{region} = $exit->region->name;	2736	$rmp->{region} = $exit->region->name;
2541	$rmp->{origin_map} = $exit->map->path;	2737	$rmp->{origin_map} = $exit->map->path;
2542	$rmp->{origin_x} = $exit->x;	2738	$rmp->{origin_x} = $exit->x;
2543	$rmp->{origin_y} = $exit->y;	2739	$rmp->{origin_y} = $exit->y;
		2740
		2741	$exit->map->touch;
2544	}	2742	}
2545		2743
2546	$rmp->{random_seed} ||= $exit->random_seed;	2744	$rmp->{random_seed} ||= $exit->random_seed;
2547		2745
2548	my $data = cf::to_json $rmp;	2746	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2549	my $md5 = Digest::MD5::md5_hex $data;	2747	my $md5 = Digest::MD5::md5_hex $data;
2550	my $meta = "$RANDOMDIR/$md5.meta";	2748	my $meta = "$RANDOMDIR/$md5.meta";
2551		2749
2552	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2750	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2553	aio_write $fh, 0, (length $data), $data, 0;	2751	aio_write $fh, 0, (length $data), $data, 0;
2554	undef $fh;	2752	undef $fh;
2555	aio_rename "$meta~", $meta;	2753	aio_rename "$meta~", $meta;
2556		2754
		2755	my $slaying = "?random/$md5";
		2756
		2757	if ($exit->valid) {
2557	$exit->slaying ("?random/$md5");	2758	$exit->slaying ("?random/$md5");
2558	$exit->msg (undef);	2759	$exit->msg (undef);
		2760	}
2559	}	2761	}
2560	}	2762	}
2561		2763
2562	sub cf::object::player::enter_exit {	2764	sub cf::object::player::enter_exit {
2563	my ($self, $exit) = @_;	2765	my ($self, $exit) = @_;
2564		2766
2565	return unless $self->type == cf::PLAYER;	2767	return unless $self->type == cf::PLAYER;
2566		2768
2567	if ($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;	2769	$self->enter_link;
2579		2770
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 {	2771	(async {
2585	$self->deactivate_recursive; # just to be sure	2772	$Coro::current->{desc} = "enter_exit";
		2773
2586	unless (eval {	2774	unless (eval {
		2775	$self->deactivate_recursive; # just to be sure
		2776
		2777	# random map handling
		2778	{
		2779	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2780
		2781	prepare_random_map $exit
		2782	if $exit->slaying eq "/!";
		2783	}
		2784
		2785	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2786	my $x = $exit->stats->hp;
		2787	my $y = $exit->stats->sp;
		2788
2587	$self->goto ($slaying, $hp, $sp);	2789	$self->goto ($map, $x, $y);
2588		2790
		2791	# if exit is damned, update players death & WoR home-position
		2792	$self->contr->savebed ($map, $x, $y)
		2793	if $exit->flag (cf::FLAG_DAMNED);
		2794
2589	1;	2795	1
2590	}) {	2796	}) {
2591	$self->message ("Something went wrong deep within the crossfire server. "	2797	$self->message ("Something went wrong deep within the deliantra server. "
2592	. "I'll try to bring you back to the map you were before. "	2798	. "I'll try to bring you back to the map you were before. "
2593	. "Please report this to the dungeon master!",	2799	. "Please report this to the dungeon master!",
2594	cf::NDI_UNIQUE | cf::NDI_RED);	2800	cf::NDI_UNIQUE | cf::NDI_RED);
2595		2801
2596	warn "ERROR in enter_exit: $@";	2802	warn "ERROR in enter_exit: $@";
…		…
2613	sub cf::client::send_drawinfo {	2819	sub cf::client::send_drawinfo {
2614	my ($self, $text, $flags) = @_;	2820	my ($self, $text, $flags) = @_;
2615		2821
2616	utf8::encode $text;	2822	utf8::encode $text;
2617	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2823	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2824	}
		2825
		2826	=item $client->send_big_packet ($pkt)
		2827
		2828	Like C<send_packet>, but tries to compress large packets, and fragments
		2829	them as required.
		2830
		2831	=cut
		2832
		2833	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2834
		2835	sub cf::client::send_big_packet {
		2836	my ($self, $pkt) = @_;
		2837
		2838	# try lzf for large packets
		2839	$pkt = "lzf " . Compress::LZF::compress $pkt
		2840	if 1024 <= length $pkt and $self->{can_lzf};
		2841
		2842	# split very large packets
		2843	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2844	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2845	$pkt = "frag";
		2846	}
		2847
		2848	$self->send_packet ($pkt);
2618	}	2849	}
2619		2850
2620	=item $client->send_msg ($channel, $msg, $color, [extra...])	2851	=item $client->send_msg ($channel, $msg, $color, [extra...])
2621		2852
2622	Send a drawinfo or msg packet to the client, formatting the msg for the	2853	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2624	the message, with C<log> being the default. If C<$color> is negative, suppress	2855	the message, with C<log> being the default. If C<$color> is negative, suppress
2625	the message unless the client supports the msg packet.	2856	the message unless the client supports the msg packet.
2626		2857
2627	=cut	2858	=cut
2628		2859
		2860	# non-persistent channels (usually the info channel)
2629	our %CHANNEL = (	2861	our %CHANNEL = (
		2862	"c/motd" => {
		2863	id => "infobox",
		2864	title => "MOTD",
		2865	reply => undef,
		2866	tooltip => "The message of the day",
		2867	},
2630	"c/identify" => {	2868	"c/identify" => {
2631	id => "identify",	2869	id => "infobox",
2632	title => "Identify",	2870	title => "Identify",
2633	reply => undef,	2871	reply => undef,
2634	tooltip => "Items recently identified",	2872	tooltip => "Items recently identified",
2635	},	2873	},
2636	"c/examine" => {	2874	"c/examine" => {
2637	id => "examine",	2875	id => "infobox",
2638	title => "Examine",	2876	title => "Examine",
2639	reply => undef,	2877	reply => undef,
2640	tooltip => "Signs and other items you examined",	2878	tooltip => "Signs and other items you examined",
2641	},	2879	},
		2880	"c/shopinfo" => {
		2881	id => "infobox",
		2882	title => "Shop Info",
		2883	reply => undef,
		2884	tooltip => "What your bargaining skill tells you about the shop",
		2885	},
		2886	"c/book" => {
		2887	id => "infobox",
		2888	title => "Book",
		2889	reply => undef,
		2890	tooltip => "The contents of a note or book",
		2891	},
		2892	"c/lookat" => {
		2893	id => "infobox",
		2894	title => "Look",
		2895	reply => undef,
		2896	tooltip => "What you saw there",
		2897	},
		2898	"c/who" => {
		2899	id => "infobox",
		2900	title => "Players",
		2901	reply => undef,
		2902	tooltip => "Shows players who are currently online",
		2903	},
		2904	"c/body" => {
		2905	id => "infobox",
		2906	title => "Body Parts",
		2907	reply => undef,
		2908	tooltip => "Shows which body parts you posess and are available",
		2909	},
		2910	"c/statistics" => {
		2911	id => "infobox",
		2912	title => "Statistics",
		2913	reply => undef,
		2914	tooltip => "Shows your primary statistics",
		2915	},
		2916	"c/skills" => {
		2917	id => "infobox",
		2918	title => "Skills",
		2919	reply => undef,
		2920	tooltip => "Shows your experience per skill and item power",
		2921	},
		2922	"c/shopitems" => {
		2923	id => "infobox",
		2924	title => "Shop Items",
		2925	reply => undef,
		2926	tooltip => "Shows the items currently for sale in this shop",
		2927	},
		2928	"c/resistances" => {
		2929	id => "infobox",
		2930	title => "Resistances",
		2931	reply => undef,
		2932	tooltip => "Shows your resistances",
		2933	},
		2934	"c/pets" => {
		2935	id => "infobox",
		2936	title => "Pets",
		2937	reply => undef,
		2938	tooltip => "Shows information abotu your pets/a specific pet",
		2939	},
		2940	"c/perceiveself" => {
		2941	id => "infobox",
		2942	title => "Perceive Self",
		2943	reply => undef,
		2944	tooltip => "You gained detailed knowledge about yourself",
		2945	},
		2946	"c/uptime" => {
		2947	id => "infobox",
		2948	title => "Uptime",
		2949	reply => undef,
		2950	tooltip => "How long the server has been running since last restart",
		2951	},
		2952	"c/mapinfo" => {
		2953	id => "infobox",
		2954	title => "Map Info",
		2955	reply => undef,
		2956	tooltip => "Information related to the maps",
		2957	},
		2958	"c/party" => {
		2959	id => "party",
		2960	title => "Party",
		2961	reply => "gsay ",
		2962	tooltip => "Messages and chat related to your party",
		2963	},
		2964	"c/death" => {
		2965	id => "death",
		2966	title => "Death",
		2967	reply => undef,
		2968	tooltip => "Reason for and more info about your most recent death",
		2969	},
		2970	"c/say" => $SAY_CHANNEL,
		2971	"c/chat" => $CHAT_CHANNEL,
2642	);	2972	);
2643		2973
2644	sub cf::client::send_msg {	2974	sub cf::client::send_msg {
2645	my ($self, $channel, $msg, $color, @extra) = @_;	2975	my ($self, $channel, $msg, $color, @extra) = @_;
2646		2976
2647	$msg = $self->pl->expand_cfpod ($msg);	2977	$msg = $self->pl->expand_cfpod ($msg)
		2978	unless $color & cf::NDI_VERBATIM;
2648		2979
2649	$color &= cf::NDI_CLIENT_MASK; # just in case...	2980	$color &= cf::NDI_CLIENT_MASK; # just in case...
2650		2981
2651	# check predefined channels, for the benefit of C	2982	# check predefined channels, for the benefit of C
2652	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};	2983	if ($CHANNEL{$channel}) {
		2984	$channel = $CHANNEL{$channel};
2653		2985
		2986	$self->ext_msg (channel_info => $channel);
		2987	$channel = $channel->{id};
		2988
2654	if (ref $channel) {	2989	} elsif (ref $channel) {
2655	# send meta info to client, if not yet sent	2990	# send meta info to client, if not yet sent
2656	unless (exists $self->{channel}{$channel->{id}}) {	2991	unless (exists $self->{channel}{$channel->{id}}) {
2657	$self->{channel}{$channel->{id}} = $channel;	2992	$self->{channel}{$channel->{id}} = $channel;
2658	$self->ext_msg (channel_info => $channel)	2993	$self->ext_msg (channel_info => $channel);
2659	if $self->can_msg;
2660	}	2994	}
2661		2995
2662	$channel = $channel->{id};	2996	$channel = $channel->{id};
2663	}	2997	}
2664		2998
2665	return unless @extra || length $msg;	2999	return unless @extra || length $msg;
2666		3000
2667	if ($self->can_msg) {
2668	# default colour, mask it out	3001	# default colour, mask it out
2669	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3002	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2670	if $color & cf::NDI_DEF;	3003	if $color & cf::NDI_DEF;
2671		3004
2672	$self->send_packet ("msg " . $self->{json_coder}->encode (	3005	my $pkt = "msg "
		3006	. $self->{json_coder}->encode (
2673	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3007	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2674	} else {	3008	);
2675	if ($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		3009
2686	$color &= cf::NDI_COLOR_MASK;	3010	$self->send_big_packet ($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	}	3011	}
2700		3012
2701	=item $client->ext_msg ($type, @msg)	3013	=item $client->ext_msg ($type, @msg)
2702		3014
2703	Sends an ext event to the client.	3015	Sends an ext event to the client.
…		…
2706		3018
2707	sub cf::client::ext_msg($$@) {	3019	sub cf::client::ext_msg($$@) {
2708	my ($self, $type, @msg) = @_;	3020	my ($self, $type, @msg) = @_;
2709		3021
2710	if ($self->extcmd == 2) {	3022	if ($self->extcmd == 2) {
2711	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3023	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2712	} elsif ($self->extcmd == 1) { # TODO: remove	3024	} elsif ($self->extcmd == 1) { # TODO: remove
2713	push @msg, msgtype => "event_$type";	3025	push @msg, msgtype => "event_$type";
2714	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3026	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2715	}	3027	}
2716	}	3028	}
2717		3029
2718	=item $client->ext_reply ($msgid, @msg)	3030	=item $client->ext_reply ($msgid, @msg)
2719		3031
…		…
2723		3035
2724	sub cf::client::ext_reply($$@) {	3036	sub cf::client::ext_reply($$@) {
2725	my ($self, $id, @msg) = @_;	3037	my ($self, $id, @msg) = @_;
2726		3038
2727	if ($self->extcmd == 2) {	3039	if ($self->extcmd == 2) {
2728	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3040	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2729	} elsif ($self->extcmd == 1) {	3041	} elsif ($self->extcmd == 1) {
2730	#TODO: version 1, remove	3042	#TODO: version 1, remove
2731	unshift @msg, msgtype => "reply", msgid => $id;	3043	unshift @msg, msgtype => "reply", msgid => $id;
2732	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3044	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2733	}	3045	}
2734	}	3046	}
2735		3047
2736	=item $success = $client->query ($flags, "text", \&cb)	3048	=item $success = $client->query ($flags, "text", \&cb)
2737		3049
…		…
2838		3150
2839	$coro	3151	$coro
2840	}	3152	}
2841		3153
2842	cf::client->attach (	3154	cf::client->attach (
2843	on_destroy => sub {	3155	on_client_destroy => sub {
2844	my ($ns) = @_;	3156	my ($ns) = @_;
2845		3157
2846	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3158	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2847	},	3159	},
2848	);	3160	);
…		…
2864	our $safe_hole = new Safe::Hole;	3176	our $safe_hole = new Safe::Hole;
2865		3177
2866	$SIG{FPE} = 'IGNORE';	3178	$SIG{FPE} = 'IGNORE';
2867		3179
2868	$safe->permit_only (Opcode::opset qw(	3180	$safe->permit_only (Opcode::opset qw(
2869	:base_core :base_mem :base_orig :base_math	3181	:base_core :base_mem :base_orig :base_math :base_loop
2870	grepstart grepwhile mapstart mapwhile	3182	grepstart grepwhile mapstart mapwhile
2871	sort time	3183	sort time
2872	));	3184	));
2873		3185
2874	# here we export the classes and methods available to script code	3186	# here we export the classes and methods available to script code
…		…
2876	=pod	3188	=pod
2877		3189
2878	The following functions and methods are available within a safe environment:	3190	The following functions and methods are available within a safe environment:
2879		3191
2880	cf::object	3192	cf::object
2881	contr pay_amount pay_player map x y force_find force_add	3193	contr pay_amount pay_player map x y force_find force_add destroy
2882	insert remove name archname title slaying race decrease_ob_nr	3194	insert remove name archname title slaying race decrease split
		3195	value
2883		3196
2884	cf::object::player	3197	cf::object::player
2885	player	3198	player
2886		3199
2887	cf::player	3200	cf::player
…		…
2892		3205
2893	=cut	3206	=cut
2894		3207
2895	for (	3208	for (
2896	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3209	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2897	insert remove inv name archname title slaying race	3210	insert remove inv nrof name archname title slaying race
2898	decrease_ob_nr)],	3211	decrease split destroy change_exp value msg lore send_msg)],
2899	["cf::object::player" => qw(player)],	3212	["cf::object::player" => qw(player)],
2900	["cf::player" => qw(peaceful)],	3213	["cf::player" => qw(peaceful send_msg)],
2901	["cf::map" => qw(trigger)],	3214	["cf::map" => qw(trigger)],
2902	) {	3215	) {
2903	no strict 'refs';	3216	no strict 'refs';
2904	my ($pkg, @funs) = @$_;	3217	my ($pkg, @funs) = @$_;
2905	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3218	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2923		3236
2924	my $qcode = $code;	3237	my $qcode = $code;
2925	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3238	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2926	$qcode =~ s/\n/\\n/g;	3239	$qcode =~ s/\n/\\n/g;
2927		3240
		3241	%vars = (_dummy => 0) unless %vars;
		3242
		3243	my @res;
2928	local $_;	3244	local $_;
2929	local @safe::cf::_safe_eval_args = values %vars;
2930		3245
2931	my $eval =	3246	my $eval =
2932	"do {\n"	3247	"do {\n"
2933	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3248	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2934	. "#line 0 \"{$qcode}\"\n"	3249	. "#line 0 \"{$qcode}\"\n"
2935	. $code	3250	. $code
2936	. "\n}"	3251	. "\n}"
2937	;	3252	;
2938		3253
		3254	if ($CFG{safe_eval}) {
2939	sub_generation_inc;	3255	sub_generation_inc;
		3256	local @safe::cf::_safe_eval_args = values %vars;
2940	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3257	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2941	sub_generation_inc;	3258	sub_generation_inc;
		3259	} else {
		3260	local @cf::_safe_eval_args = values %vars;
		3261	@res = wantarray ? eval eval : scalar eval $eval;
		3262	}
2942		3263
2943	if ($@) {	3264	if ($@) {
2944	warn "$@";	3265	warn "$@";
2945	warn "while executing safe code '$code'\n";	3266	warn "while executing safe code '$code'\n";
2946	warn "with arguments " . (join " ", %vars) . "\n";	3267	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2965	=cut	3286	=cut
2966		3287
2967	sub register_script_function {	3288	sub register_script_function {
2968	my ($fun, $cb) = @_;	3289	my ($fun, $cb) = @_;
2969		3290
2970	no strict 'refs';	3291	$fun = "safe::$fun" if $CFG{safe_eval};
2971	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3292	*$fun = $safe_hole->wrap ($cb);
2972	}	3293	}
2973		3294
2974	=back	3295	=back
2975		3296
2976	=cut	3297	=cut
…		…
2997		3318
2998	$facedata->{version} == 2	3319	$facedata->{version} == 2
2999	or cf::cleanup "$path: version mismatch, cannot proceed.";	3320	or cf::cleanup "$path: version mismatch, cannot proceed.";
3000		3321
3001	# patch in the exptable	3322	# patch in the exptable
		3323	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3002	$facedata->{resource}{"res/exp_table"} = {	3324	$facedata->{resource}{"res/exp_table"} = {
3003	type => FT_RSRC,	3325	type => FT_RSRC,
3004	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3326	data => $exp_table,
		3327	hash => (Digest::MD5::md5 $exp_table),
3005	};	3328	};
3006	cf::cede_to_tick;	3329	cf::cede_to_tick;
3007		3330
3008	{	3331	{
3009	my $faces = $facedata->{faceinfo};	3332	my $faces = $facedata->{faceinfo};
3010		3333
3011	while (my ($face, $info) = each %$faces) {	3334	while (my ($face, $info) = each %$faces) {
3012	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3335	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3336
3013	cf::face::set_visibility $idx, $info->{visibility};	3337	cf::face::set_visibility $idx, $info->{visibility};
3014	cf::face::set_magicmap $idx, $info->{magicmap};	3338	cf::face::set_magicmap $idx, $info->{magicmap};
3015	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3339	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3016	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3340	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
3017		3341
3018	cf::cede_to_tick;	3342	cf::cede_to_tick;
3019	}	3343	}
3020		3344
3021	while (my ($face, $info) = each %$faces) {	3345	while (my ($face, $info) = each %$faces) {
3022	next unless $info->{smooth};	3346	next unless $info->{smooth};
		3347
3023	my $idx = cf::face::find $face	3348	my $idx = cf::face::find $face
3024	or next;	3349	or next;
		3350
3025	if (my $smooth = cf::face::find $info->{smooth}) {	3351	if (my $smooth = cf::face::find $info->{smooth}) {
3026	cf::face::set_smooth $idx, $smooth;	3352	cf::face::set_smooth $idx, $smooth;
3027	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3353	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3028	} else {	3354	} else {
3029	warn "smooth face '$info->{smooth}' not found for face '$face'";	3355	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
3043		3369
3044	cf::anim::invalidate_all; # d'oh	3370	cf::anim::invalidate_all; # d'oh
3045	}	3371	}
3046		3372
3047	{	3373	{
3048	# TODO: for gcfclient pleasure, we should give resources
3049	# that gcfclient doesn't grok a >10000 face index.
3050	my $res = $facedata->{resource};	3374	my $res = $facedata->{resource};
3051		3375
3052	my $soundconf = delete $res->{"res/sound.conf"};
3053
3054	while (my ($name, $info) = each %$res) {	3376	while (my ($name, $info) = each %$res) {
		3377	if (defined $info->{type}) {
3055	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3378	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3056	my $data;
3057		3379
3058	if ($info->{type} & 1) {	3380	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3059	# prepend meta info	3381	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 {	3382	} else {
3068	$data = $info->{data};	3383	$RESOURCE{$name} = $info;
3069	}	3384	}
3070		3385
3071	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3072	cf::face::set_type $idx, $info->{type};
3073
3074	cf::cede_to_tick;	3386	cf::cede_to_tick;
3075	}	3387	}
3076
3077	if ($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	}	3388	}
		3389
		3390	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3095		3391
3096	1	3392	1
3097	}	3393	}
		3394
		3395	cf::global->attach (on_resource_update => sub {
		3396	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3397	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3398
		3399	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3400	my $sound = $soundconf->{compat}[$_]
		3401	or next;
		3402
		3403	my $face = cf::face::find "sound/$sound->[1]";
		3404	cf::sound::set $sound->[0] => $face;
		3405	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3406	}
		3407
		3408	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3409	my $face = cf::face::find "sound/$v";
		3410	cf::sound::set $k => $face;
		3411	}
		3412	}
		3413	});
3098		3414
3099	register_exticmd fx_want => sub {	3415	register_exticmd fx_want => sub {
3100	my ($ns, $want) = @_;	3416	my ($ns, $want) = @_;
3101		3417
3102	while (my ($k, $v) = each %$want) {	3418	while (my ($k, $v) = each %$want) {
3103	$ns->fx_want ($k, $v);	3419	$ns->fx_want ($k, $v);
3104	}	3420	}
3105	};	3421	};
		3422
		3423	sub load_resource_file($) {
		3424	my $guard = lock_acquire "load_resource_file";
		3425
		3426	my $status = load_resource_file_ $_[0];
		3427	get_slot 0.1, 100;
		3428	cf::arch::commit_load;
		3429
		3430	$status
		3431	}
3106		3432
3107	sub reload_regions {	3433	sub reload_regions {
3108	# HACK to clear player env face cache, we need some signal framework	3434	# HACK to clear player env face cache, we need some signal framework
3109	# for this (global event?)	3435	# for this (global event?)
3110	%ext::player_env::MUSIC_FACE_CACHE = ();	3436	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3124	}	3450	}
3125		3451
3126	sub reload_archetypes {	3452	sub reload_archetypes {
3127	load_resource_file "$DATADIR/archetypes"	3453	load_resource_file "$DATADIR/archetypes"
3128	or die "unable to load archetypes\n";	3454	or die "unable to load archetypes\n";
3129	#d# NEED to laod twice to resolve forward references
3130	# this really needs to be done in an extra post-pass
3131	# (which needs to be synchronous, so solve it differently)
3132	load_resource_file "$DATADIR/archetypes"
3133	or die "unable to load archetypes\n";
3134	}	3455	}
3135		3456
3136	sub reload_treasures {	3457	sub reload_treasures {
3137	load_resource_file "$DATADIR/treasures"	3458	load_resource_file "$DATADIR/treasures"
3138	or die "unable to load treasurelists\n";	3459	or die "unable to load treasurelists\n";
3139	}	3460	}
3140		3461
3141	sub reload_resources {	3462	sub reload_resources {
3142	warn "reloading resource files...\n";	3463	warn "reloading resource files...\n";
3143		3464
		3465	reload_facedata;
		3466	reload_archetypes;
3144	reload_regions;	3467	reload_regions;
3145	reload_facedata;
3146	#reload_archetypes;#d#
3147	reload_archetypes;
3148	reload_treasures;	3468	reload_treasures;
3149		3469
3150	warn "finished reloading resource files\n";	3470	warn "finished reloading resource files\n";
3151	}	3471	}
3152		3472
3153	sub init {
3154	reload_resources;
3155	}
3156
3157	sub reload_config {	3473	sub reload_config {
		3474	warn "reloading config file...\n";
		3475
3158	open my $fh, "<:utf8", "$CONFDIR/config"	3476	open my $fh, "<:utf8", "$CONFDIR/config"
3159	or return;	3477	or return;
3160		3478
3161	local $/;	3479	local $/;
3162	*CFG = YAML::Syck::Load <$fh>;	3480	*CFG = YAML::XS::Load scalar <$fh>;
3163		3481
3164	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3482	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3165		3483
3166	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3484	$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};	3485	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3171	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3489	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
3172	and die "WARNING: m(un)lockall failed: $!\n";	3490	and die "WARNING: m(un)lockall failed: $!\n";
3173	};	3491	};
3174	warn $@ if $@;	3492	warn $@ if $@;
3175	}	3493	}
		3494
		3495	warn "finished reloading resource files\n";
		3496	}
		3497
		3498	sub pidfile() {
		3499	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3500	or die "$PIDFILE: $!";
		3501	flock $fh, &Fcntl::LOCK_EX
		3502	or die "$PIDFILE: flock: $!";
		3503	$fh
		3504	}
		3505
		3506	# make sure only one server instance is running at any one time
		3507	sub atomic {
		3508	my $fh = pidfile;
		3509
		3510	my $pid = <$fh>;
		3511	kill 9, $pid if $pid > 0;
		3512
		3513	seek $fh, 0, 0;
		3514	print $fh $$;
		3515	}
		3516
		3517	sub main_loop {
		3518	warn "EV::loop starting\n";
		3519	if (1) {
		3520	EV::loop;
		3521	}
		3522	warn "EV::loop returned\n";
		3523	goto &main_loop unless $REALLY_UNLOOP;
3176	}	3524	}
3177		3525
3178	sub main {	3526	sub main {
		3527	cf::init_globals; # initialise logging
		3528
		3529	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3530	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3531	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3532	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3533
		3534	cf::init_experience;
		3535	cf::init_anim;
		3536	cf::init_attackmess;
		3537	cf::init_dynamic;
		3538
		3539	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3540
3179	# we must not ever block the main coroutine	3541	# we must not ever block the main coroutine
3180	local $Coro::idle = sub {	3542	local $Coro::idle = sub {
3181	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3543	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3182	(async {	3544	(async {
3183	Event::one_event;	3545	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3546	EV::loop EV::LOOP_ONESHOT;
3184	})->prio (Coro::PRIO_MAX);	3547	})->prio (Coro::PRIO_MAX);
3185	};	3548	};
3186		3549
		3550	evthread_start IO::AIO::poll_fileno;
		3551
		3552	cf::sync_job {
		3553	cf::load_settings;
		3554	cf::load_materials;
		3555
		3556	reload_resources;
3187	reload_config;	3557	reload_config;
3188	db_init;	3558	db_init;
		3559
		3560	cf::init_uuid;
		3561	cf::init_signals;
		3562	cf::init_skills;
		3563
		3564	cf::init_beforeplay;
		3565
		3566	atomic;
		3567
3189	load_extensions;	3568	load_extensions;
3190		3569
3191	$TICK_WATCHER->start;	3570	utime time, time, $RUNTIMEFILE;
3192	Event::loop;	3571
		3572	# no (long-running) fork's whatsoever before this point(!)
		3573	use POSIX ();
		3574	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3575
		3576	(pop @POST_INIT)->(0) while @POST_INIT;
		3577	};
		3578
		3579	main_loop;
3193	}	3580	}
3194		3581
3195	#############################################################################	3582	#############################################################################
3196	# initialisation and cleanup	3583	# initialisation and cleanup
3197		3584
3198	# install some emergency cleanup handlers	3585	# install some emergency cleanup handlers
3199	BEGIN {	3586	BEGIN {
		3587	our %SIGWATCHER = ();
3200	for my $signal (qw(INT HUP TERM)) {	3588	for my $signal (qw(INT HUP TERM)) {
3201	Event->signal (	3589	$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";	3590	cf::cleanup "SIG$signal";
3208	},
3209	);	3591	};
3210	}	3592	}
3211	}	3593	}
3212		3594
3213	sub write_runtime {	3595	sub write_runtime_sync {
3214	my $runtime = "$LOCALDIR/runtime";	3596	my $t0 = EV::time;
3215		3597
3216	# first touch the runtime file to show we are still running:	3598	# first touch the runtime file to show we are still running:
3217	# the fsync below can take a very very long time.	3599	# the fsync below can take a very very long time.
3218		3600
3219	IO::AIO::aio_utime $runtime, undef, undef;	3601	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3220		3602
3221	my $guard = cf::lock_acquire "write_runtime";	3603	my $guard = cf::lock_acquire "write_runtime";
3222		3604
3223	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3605	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3224	or return;	3606	or return;
3225		3607
3226	my $value = $cf::RUNTIME + 90 + 10;	3608	my $value = $cf::RUNTIME + 90 + 10;
3227	# 10 is the runtime save interval, for a monotonic clock	3609	# 10 is the runtime save interval, for a monotonic clock
3228	# 60 allows for the watchdog to kill the server.	3610	# 60 allows for the watchdog to kill the server.
…		…
3238	aio_utime $fh, undef, undef;	3620	aio_utime $fh, undef, undef;
3239		3621
3240	close $fh	3622	close $fh
3241	or return;	3623	or return;
3242		3624
3243	aio_rename "$runtime~", $runtime	3625	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3244	and return;	3626	and return;
3245		3627
3246	warn "runtime file written.\n";	3628	warn sprintf "runtime file written (%gs).\n", EV::time - $t0;
3247		3629
3248	1	3630	1
		3631	}
		3632
		3633	our $uuid_lock;
		3634	our $uuid_skip;
		3635
		3636	sub write_uuid_sync($) {
		3637	$uuid_skip ||= $_[0];
		3638
		3639	return if $uuid_lock;
		3640	local $uuid_lock = 1;
		3641
		3642	my $uuid = "$LOCALDIR/uuid";
		3643
		3644	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3645	or return;
		3646
		3647	my $value = uuid_seq uuid_cur;
		3648
		3649	unless ($value) {
		3650	warn "cowardly refusing to write zero uuid value!\n";
		3651	return;
		3652	}
		3653
		3654	my $value = uuid_str $value + $uuid_skip;
		3655	$uuid_skip = 0;
		3656
		3657	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3658	and return;
		3659
		3660	# always fsync - this file is important
		3661	aio_fsync $fh
		3662	and return;
		3663
		3664	close $fh
		3665	or return;
		3666
		3667	aio_rename "$uuid~", $uuid
		3668	and return;
		3669
		3670	warn "uuid file written ($value).\n";
		3671
		3672	1
		3673
		3674	}
		3675
		3676	sub write_uuid($$) {
		3677	my ($skip, $sync) = @_;
		3678
		3679	$sync ? write_uuid_sync $skip
		3680	: async { write_uuid_sync $skip };
3249	}	3681	}
3250		3682
3251	sub emergency_save() {	3683	sub emergency_save() {
3252	my $freeze_guard = cf::freeze_mainloop;	3684	my $freeze_guard = cf::freeze_mainloop;
3253		3685
3254	warn "enter emergency perl save\n";	3686	warn "emergency_perl_save: enter\n";
3255		3687
3256	cf::sync_job {	3688	cf::sync_job {
		3689	# this is a trade-off: we want to be very quick here, so
		3690	# save all maps without fsync, and later call a global sync
		3691	# (which in turn might be very very slow)
		3692	local $USE_FSYNC = 0;
		3693
3257	# use a peculiar iteration method to avoid tripping on perl	3694	# use a peculiar iteration method to avoid tripping on perl
3258	# refcount bugs in for. also avoids problems with players	3695	# refcount bugs in for. also avoids problems with players
3259	# and maps saved/destroyed asynchronously.	3696	# and maps saved/destroyed asynchronously.
3260	warn "begin emergency player save\n";	3697	warn "emergency_perl_save: begin player save\n";
3261	for my $login (keys %cf::PLAYER) {	3698	for my $login (keys %cf::PLAYER) {
3262	my $pl = $cf::PLAYER{$login} or next;	3699	my $pl = $cf::PLAYER{$login} or next;
3263	$pl->valid or next;	3700	$pl->valid or next;
		3701	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3264	$pl->save;	3702	$pl->save;
3265	}	3703	}
3266	warn "end emergency player save\n";	3704	warn "emergency_perl_save: end player save\n";
3267		3705
3268	warn "begin emergency map save\n";	3706	warn "emergency_perl_save: begin map save\n";
3269	for my $path (keys %cf::MAP) {	3707	for my $path (keys %cf::MAP) {
3270	my $map = $cf::MAP{$path} or next;	3708	my $map = $cf::MAP{$path} or next;
3271	$map->valid or next;	3709	$map->valid or next;
3272	$map->save;	3710	$map->save;
3273	}	3711	}
3274	warn "end emergency map save\n";	3712	warn "emergency_perl_save: end map save\n";
3275		3713
3276	warn "begin emergency database checkpoint\n";	3714	warn "emergency_perl_save: begin database checkpoint\n";
3277	BDB::db_env_txn_checkpoint $DB_ENV;	3715	BDB::db_env_txn_checkpoint $DB_ENV;
3278	warn "end emergency database checkpoint\n";	3716	warn "emergency_perl_save: end database checkpoint\n";
		3717
		3718	warn "emergency_perl_save: begin write uuid\n";
		3719	write_uuid_sync 1;
		3720	warn "emergency_perl_save: end write uuid\n";
3279	};	3721	};
3280		3722
		3723	warn "emergency_perl_save: starting sync()\n";
		3724	IO::AIO::aio_sync sub {
		3725	warn "emergency_perl_save: finished sync()\n";
		3726	};
		3727
3281	warn "leave emergency perl save\n";	3728	warn "emergency_perl_save: leave\n";
3282	}	3729	}
3283		3730
3284	sub post_cleanup {	3731	sub post_cleanup {
3285	my ($make_core) = @_;	3732	my ($make_core) = @_;
3286		3733
3287	warn Carp::longmess "post_cleanup backtrace"	3734	warn Carp::longmess "post_cleanup backtrace"
3288	if $make_core;	3735	if $make_core;
		3736
		3737	my $fh = pidfile;
		3738	unlink $PIDFILE if <$fh> == $$;
		3739	}
		3740
		3741	# a safer delete_package, copied from Symbol
		3742	sub clear_package($) {
		3743	my $pkg = shift;
		3744
		3745	# expand to full symbol table name if needed
		3746	unless ($pkg =~ /^main::.*::$/) {
		3747	$pkg = "main$pkg" if $pkg =~ /^::/;
		3748	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3749	$pkg .= '::' unless $pkg =~ /::$/;
		3750	}
		3751
		3752	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3753	my $stem_symtab = *{$stem}{HASH};
		3754
		3755	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3756	or return;
		3757
		3758	# clear all symbols
		3759	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3760	for my $name (keys %$leaf_symtab) {
		3761	_gv_clear *{"$pkg$name"};
		3762	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3763	}
		3764	warn "cleared package $pkg\n";#d#
3289	}	3765	}
3290		3766
3291	sub do_reload_perl() {	3767	sub do_reload_perl() {
3292	# can/must only be called in main	3768	# can/must only be called in main
3293	if ($Coro::current != $Coro::main) {	3769	if ($Coro::current != $Coro::main) {
3294	warn "can only reload from main coroutine";	3770	warn "can only reload from main coroutine";
3295	return;	3771	return;
3296	}	3772	}
3297		3773
		3774	return if $RELOAD++;
		3775
		3776	my $t1 = EV::time;
		3777
		3778	while ($RELOAD) {
3298	warn "reloading...";	3779	warn "reloading...";
3299		3780
3300	warn "entering sync_job";	3781	warn "entering sync_job";
3301		3782
3302	cf::sync_job {	3783	cf::sync_job {
3303	cf::write_runtime; # external watchdog should not bark	3784	cf::write_runtime_sync; # external watchdog should not bark
3304	cf::emergency_save;	3785	cf::emergency_save;
3305	cf::write_runtime; # external watchdog should not bark	3786	cf::write_runtime_sync; # external watchdog should not bark
3306		3787
3307	warn "syncing database to disk";	3788	warn "syncing database to disk";
3308	BDB::db_env_txn_checkpoint $DB_ENV;	3789	BDB::db_env_txn_checkpoint $DB_ENV;
3309		3790
3310	# if anything goes wrong in here, we should simply crash as we already saved	3791	# if anything goes wrong in here, we should simply crash as we already saved
3311		3792
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";	3793	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;	3794	while (IO::AIO::nreqs || BDB::nreqs) {
3323	warn "iterate...";	3795	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	}	3796	}
3349		3797
3350	warn "... nuking $pkg";	3798	warn "cancelling all extension coros";
3351	Symbol::delete_package $pkg;	3799	$_->cancel for values %EXT_CORO;
3352	}	3800	%EXT_CORO = ();
3353		3801
3354	warn "unloading all perl modules loaded from $LIBDIR";	3802	warn "removing commands";
3355	while (my ($k, $v) = each %INC) {	3803	%COMMAND = ();
3356	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3357		3804
		3805	warn "removing ext/exti commands";
		3806	%EXTCMD = ();
		3807	%EXTICMD = ();
		3808
		3809	warn "unloading/nuking all extensions";
		3810	for my $pkg (@EXTS) {
3358	warn "... unloading $k";	3811	warn "... unloading $pkg";
3359	delete $INC{$k};
3360		3812
3361	$k =~ s/\.pm$//;
3362	$k =~ s/\//::/g;
3363
3364	if (my $cb = $k->can ("unload_module")) {	3813	if (my $cb = $pkg->can ("unload")) {
		3814	eval {
3365	$cb->();	3815	$cb->($pkg);
		3816	1
		3817	} or warn "$pkg unloaded, but with errors: $@";
		3818	}
		3819
		3820	warn "... clearing $pkg";
		3821	clear_package $pkg;
3366	}	3822	}
3367		3823
3368	Symbol::delete_package $k;	3824	warn "unloading all perl modules loaded from $LIBDIR";
		3825	while (my ($k, $v) = each %INC) {
		3826	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3827
		3828	warn "... unloading $k";
		3829	delete $INC{$k};
		3830
		3831	$k =~ s/\.pm$//;
		3832	$k =~ s/\//::/g;
		3833
		3834	if (my $cb = $k->can ("unload_module")) {
		3835	$cb->();
		3836	}
		3837
		3838	clear_package $k;
3369	}	3839	}
3370		3840
3371	warn "getting rid of safe::, as good as possible";	3841	warn "getting rid of safe::, as good as possible";
3372	Symbol::delete_package "safe::$_"	3842	clear_package "safe::$_"
3373	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3843	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3374		3844
3375	warn "unloading cf.pm \"a bit\"";	3845	warn "unloading cf.pm \"a bit\"";
3376	delete $INC{"cf.pm"};	3846	delete $INC{"cf.pm"};
3377	delete $INC{"cf/pod.pm"};	3847	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3378		3848
3379	# don't, removes xs symbols, too,	3849	# don't, removes xs symbols, too,
3380	# and global variables created in xs	3850	# and global variables created in xs
3381	#Symbol::delete_package __PACKAGE__;	3851	#clear_package __PACKAGE__;
3382		3852
3383	warn "unload completed, starting to reload now";	3853	warn "unload completed, starting to reload now";
3384		3854
3385	warn "reloading cf.pm";	3855	warn "reloading cf.pm";
3386	require cf;	3856	require cf;
3387	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3857	cf::_connect_to_perl_1;
3388		3858
3389	warn "loading config and database again";	3859	warn "loading config and database again";
3390	cf::reload_config;	3860	cf::reload_config;
3391		3861
3392	warn "loading extensions";	3862	warn "loading extensions";
3393	cf::load_extensions;	3863	cf::load_extensions;
3394		3864
		3865	if ($REATTACH_ON_RELOAD) {
3395	warn "reattaching attachments to objects/players";	3866	warn "reattaching attachments to objects/players";
3396	_global_reattach; # objects, sockets	3867	_global_reattach; # objects, sockets
3397	warn "reattaching attachments to maps";	3868	warn "reattaching attachments to maps";
3398	reattach $_ for values %MAP;	3869	reattach $_ for values %MAP;
3399	warn "reattaching attachments to players";	3870	warn "reattaching attachments to players";
3400	reattach $_ for values %PLAYER;	3871	reattach $_ for values %PLAYER;
		3872	}
3401		3873
		3874	warn "running post_init jobs";
		3875	(pop @POST_INIT)->(1) while @POST_INIT;
		3876
3402	warn "leaving sync_job";	3877	warn "leaving sync_job";
3403		3878
3404	1	3879	1
3405	} or do {	3880	} or do {
3406	warn $@;	3881	warn $@;
3407	warn "error while reloading, exiting.";	3882	cf::cleanup "error while reloading, exiting.";
3408	exit 1;
3409	};	3883	};
3410		3884
3411	warn "reloaded";	3885	warn "reloaded";
		3886	--$RELOAD;
		3887	}
		3888
		3889	$t1 = EV::time - $t1;
		3890	warn "reload completed in ${t1}s\n";
3412	};	3891	};
3413		3892
3414	our $RELOAD_WATCHER; # used only during reload	3893	our $RELOAD_WATCHER; # used only during reload
3415		3894
3416	sub reload_perl() {	3895	sub reload_perl() {
3417	# doing reload synchronously and two reloads happen back-to-back,	3896	# doing reload synchronously and two reloads happen back-to-back,
3418	# coro crashes during coro_state_free->destroy here.	3897	# coro crashes during coro_state_free->destroy here.
3419		3898
3420	$RELOAD_WATCHER ||= Event->timer (	3899	$RELOAD_WATCHER ||= cf::async {
3421	reentrant => 0,	3900	Coro::AIO::aio_wait cache_extensions;
3422	after => 0,	3901
3423	data => WF_AUTOCANCEL,	3902	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3424	cb => sub {
3425	do_reload_perl;	3903	do_reload_perl;
3426	undef $RELOAD_WATCHER;	3904	undef $RELOAD_WATCHER;
3427	},	3905	};
3428	);	3906	};
3429	}	3907	}
3430		3908
3431	register_command "reload" => sub {	3909	register_command "reload" => sub {
3432	my ($who, $arg) = @_;	3910	my ($who, $arg) = @_;
3433		3911
3434	if ($who->flag (FLAG_WIZ)) {	3912	if ($who->flag (FLAG_WIZ)) {
3435	$who->message ("reloading server.");	3913	$who->message ("reloading server.");
		3914	async {
		3915	$Coro::current->{desc} = "perl_reload";
3436	async { reload_perl };	3916	reload_perl;
		3917	};
3437	}	3918	}
3438	};	3919	};
3439		3920
3440	unshift @INC, $LIBDIR;	3921	unshift @INC, $LIBDIR;
3441		3922
…		…
3443		3924
3444	our @WAIT_FOR_TICK;	3925	our @WAIT_FOR_TICK;
3445	our @WAIT_FOR_TICK_BEGIN;	3926	our @WAIT_FOR_TICK_BEGIN;
3446		3927
3447	sub wait_for_tick {	3928	sub wait_for_tick {
3448	return unless $TICK_WATCHER->is_active;
3449	return if $Coro::current == $Coro::main;	3929	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3450		3930
3451	my $signal = new Coro::Signal;	3931	my $signal = new Coro::Signal;
3452	push @WAIT_FOR_TICK, $signal;	3932	push @WAIT_FOR_TICK, $signal;
3453	$signal->wait;	3933	$signal->wait;
3454	}	3934	}
3455		3935
3456	sub wait_for_tick_begin {	3936	sub wait_for_tick_begin {
3457	return unless $TICK_WATCHER->is_active;
3458	return if $Coro::current == $Coro::main;	3937	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3459		3938
3460	my $signal = new Coro::Signal;	3939	my $signal = new Coro::Signal;
3461	push @WAIT_FOR_TICK_BEGIN, $signal;	3940	push @WAIT_FOR_TICK_BEGIN, $signal;
3462	$signal->wait;	3941	$signal->wait;
3463	}	3942	}
3464		3943
3465	our $stat_fh;	3944	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) {	3945	if ($Coro::current != $Coro::main) {
3476	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3946	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3477	unless ++$bug_warning > 10;	3947	unless ++$bug_warning > 10;
3478	return;	3948	return;
3479	}	3949	}
3480		3950
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	3951	cf::server_tick; # one server iteration
3486		3952
3487	$RUNTIME += $TICK;	3953	#for(1..3e6){} EV::now_update; $NOW=EV::now; # generate load #d#
3488	$NEXT_TICK += $TICK;
3489		3954
3490	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3955	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3491	$NEXT_RUNTIME_WRITE = $NOW + 10;	3956	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3492	Coro::async_pool {	3957	Coro::async_pool {
		3958	$Coro::current->{desc} = "runtime saver";
3493	write_runtime	3959	write_runtime_sync
3494	or warn "ERROR: unable to write runtime file: $!";	3960	or warn "ERROR: unable to write runtime file: $!";
3495	};
3496	}	3961	};
		3962	}
3497		3963
3498	# my $AFTER = Event::time;
3499	# warn $AFTER - $NOW;#d#
3500
3501	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3964	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3502	$sig->send;	3965	$sig->send;
3503	}	3966	}
3504	while (my $sig = shift @WAIT_FOR_TICK) {	3967	while (my $sig = shift @WAIT_FOR_TICK) {
3505	$sig->send;	3968	$sig->send;
3506	}	3969	}
3507		3970
3508	$NOW = Event::time;	3971	$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;	3972	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3518		3973
3519	_post_tick;	3974	if (0) {
3520		3975	if ($NEXT_TICK) {
3521	# gather some statistics#d#	3976	my $jitter = $TICK_START - $NEXT_TICK;
3522	$stats .= sprintf " %d\n", 10000 * ($NOW - $tick_start);#d#	3977	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
3523	IO::AIO::aio_write $stat_fh, undef, undef, $stats, 0;#d#	3978	warn "jitter $JITTER\n";#d#
		3979	}
3524	},	3980	}
3525	);	3981	}
3526		3982
3527	{	3983	{
		3984	# configure BDB
		3985
3528	BDB::min_parallel 8;	3986	BDB::min_parallel 16;
3529	BDB::max_poll_time $TICK * 0.1;	3987	BDB::max_poll_reqs $TICK * 0.1;
3530	$BDB_POLL_WATCHER = Event->io (	3988	$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		3989
3554	unless ($DB_ENV) {	3990	unless ($DB_ENV) {
3555	$DB_ENV = BDB::db_env_create;	3991	$DB_ENV = BDB::db_env_create;
		3992	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3993	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3994	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3995	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3996	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3556		3997
3557	cf::sync_job {	3998	cf::sync_job {
3558	eval {	3999	eval {
3559	BDB::db_env_open	4000	BDB::db_env_open
3560	$DB_ENV,	4001	$DB_ENV,
…		…
3562	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4003	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3563	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4004	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3564	0666;	4005	0666;
3565		4006
3566	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4007	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	};	4008	};
3572		4009
3573	cf::cleanup "db_env_open(db): $@" if $@;	4010	cf::cleanup "db_env_open(db): $@" if $@;
3574	};	4011	};
3575	}	4012	}
3576		4013
3577	$BDB_CHECKPOINT_WATCHER = Event->timer (	4014	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3578	after => 11,	4015	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3579	interval => 60,	4016	};
3580	hard => 1,	4017	$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 { };	4018	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3585	},
3586	);	4019	};
3587	$BDB_TRICKLE_WATCHER = Event->timer (	4020	$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 { };	4021	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3595	},
3596	);	4022	};
3597	}	4023	}
3598		4024
3599	{	4025	{
		4026	# configure IO::AIO
		4027
3600	IO::AIO::min_parallel 8;	4028	IO::AIO::min_parallel 8;
3601
3602	undef $Coro::AIO::WATCHER;
3603	IO::AIO::max_poll_time $TICK * 0.1;	4029	IO::AIO::max_poll_time $TICK * 0.1;
3604	$AIO_POLL_WATCHER = Event->io (	4030	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	}	4031	}
3613		4032
3614	my $_log_backtrace;	4033	my $_log_backtrace;
3615		4034
3616	sub _log_backtrace {	4035	sub _log_backtrace {
…		…
3619	$msg =~ s/\n//;	4038	$msg =~ s/\n//;
3620		4039
3621	# limit the # of concurrent backtraces	4040	# limit the # of concurrent backtraces
3622	if ($_log_backtrace < 2) {	4041	if ($_log_backtrace < 2) {
3623	++$_log_backtrace;	4042	++$_log_backtrace;
		4043	my $perl_bt = Carp::longmess $msg;
3624	async {	4044	async {
		4045	$Coro::current->{desc} = "abt $msg";
		4046
3625	my @bt = fork_call {	4047	my @bt = fork_call {
3626	@addr = map { sprintf "%x", $_ } @addr;	4048	@addr = map { sprintf "%x", $_ } @addr;
3627	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4049	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3628	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4050	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3629	or die "addr2line: $!";	4051	or die "addr2line: $!";
…		…
3637	}	4059	}
3638		4060
3639	@funcs	4061	@funcs
3640	};	4062	};
3641		4063
3642	LOG llevInfo, "[ABT] $msg\n";	4064	LOG llevInfo, "[ABT] $perl_bt\n";
		4065	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3643	LOG llevInfo, "[ABT] $_\n" for @bt;	4066	LOG llevInfo, "[ABT] $_\n" for @bt;
3644	--$_log_backtrace;	4067	--$_log_backtrace;
3645	};	4068	};
3646	} else {	4069	} else {
3647	LOG llevInfo, "[ABT] $msg\n";	4070	LOG llevInfo, "[ABT] $msg\n";
3648	LOG llevInfo, "[ABT] [suppressed]\n";	4071	LOG llevInfo, "[ABT] [suppressed]\n";
3649	}	4072	}
3650	}	4073	}
3651		4074
3652	# load additional modules	4075	# load additional modules
3653	use cf::pod;	4076	require "cf/$_.pm" for @EXTRA_MODULES;
		4077	cf::_connect_to_perl_2;
3654		4078
3655	END { cf::emergency_save }	4079	END { cf::emergency_save }
3656		4080
3657	1	4081	1
3658		4082

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