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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.393 by root, Fri Oct 26 04:47:00 2007 UTC vs.
Revision 1.491 by root, Sat Oct 24 09:18:44 2009 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 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 Event;	32	use EV;
10	use Opcode;	33	use Opcode;
11	use Safe;	34	use Safe;
12	use Safe::Hole;	35	use Safe::Hole;
13	use Storable ();	36	use Storable ();
14		37
		38	use Guard ();
15	use Coro 4.1 ();	39	use Coro ();
16	use Coro::State;	40	use Coro::State;
17	use Coro::Handle;	41	use Coro::Handle;
		42	use Coro::EV;
18	use Coro::Event;	43	use Coro::AnyEvent;
19	use Coro::Timer;	44	use Coro::Timer;
20	use Coro::Signal;	45	use Coro::Signal;
21	use Coro::Semaphore;	46	use Coro::Semaphore;
		47	use Coro::SemaphoreSet;
		48	use Coro::AnyEvent;
22	use Coro::AIO;	49	use Coro::AIO;
		50	use Coro::BDB 1.6;
23	use Coro::Storable;	51	use Coro::Storable;
24	use Coro::Util ();	52	use Coro::Util ();
25		53
26	use JSON::XS ();	54	use JSON::XS 2.01 ();
27	use BDB ();	55	use BDB ();
28	use Data::Dumper;	56	use Data::Dumper;
29	use Digest::MD5;	57	use Digest::MD5;
30	use Fcntl;	58	use Fcntl;
31	use YAML::Syck ();	59	use YAML::XS ();
32	use IO::AIO 2.51 ();	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;
85	our $BDB_DEADLOCK_WATCHER;	118	our $BDB_DEADLOCK_WATCHER;
86	our $BDB_CHECKPOINT_WATCHER;	119	our $BDB_CHECKPOINT_WATCHER;
87	our $BDB_TRICKLE_WATCHER;	120	our $BDB_TRICKLE_WATCHER;
88	our $DB_ENV;	121	our $DB_ENV;
89		122
		123	our @EXTRA_MODULES = qw(pod match mapscript);
		124
90	our %CFG;	125	our %CFG;
91		126
92	our $UPTIME; $UPTIME ||= time;	127	our $UPTIME; $UPTIME ||= time;
93	our $RUNTIME;	128	our $RUNTIME;
		129	our $NOW;
94		130
95	our (%PLAYER, %PLAYER_LOADING); # all users	131	our (%PLAYER, %PLAYER_LOADING); # all users
96	our (%MAP, %MAP_LOADING ); # all maps	132	our (%MAP, %MAP_LOADING ); # all maps
97	our $LINK_MAP; # the special {link} map, which is always available	133	our $LINK_MAP; # the special {link} map, which is always available
98		134
99	# 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 ∕
100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	136	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
101		137
102	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)
103	our $LOADAVG; # same thing, but with alpha-smoothing	139	our $LOADAVG; # same thing, but with alpha-smoothing
		140	our $JITTER; # average jitter
104	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 $REALLY_UNLOOP; # never set to true, please :)
105		147
106	binmode STDOUT;	148	binmode STDOUT;
107	binmode STDERR;	149	binmode STDERR;
108		150
109	# read virtual server time, if available	151	# read virtual server time, if available
110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	152	unless ($RUNTIME || !-e $RUNTIMEFILE) {
111	open my $fh, "<", "$LOCALDIR/runtime"	153	open my $fh, "<", $RUNTIMEFILE
112	or die "unable to read runtime file: $!";	154	or die "unable to read $RUNTIMEFILE file: $!";
113	$RUNTIME = <$fh> + 0.;	155	$RUNTIME = <$fh> + 0.;
114	}	156	}
		157
		158	eval "sub TICK() { $TICK } 1" or die;
115		159
116	mkdir $_	160	mkdir $_
117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	161	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
118		162
119	our $EMERGENCY_POSITION;	163	our $EMERGENCY_POSITION;
120		164
121	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::"} };
122		177
123	#############################################################################	178	#############################################################################
124		179
125	=head2 GLOBAL VARIABLES	180	=head2 GLOBAL VARIABLES
126		181
…		…
162		217
163	The raw value load value from the last tick.	218	The raw value load value from the last tick.
164		219
165	=item %cf::CFG	220	=item %cf::CFG
166		221
167	Configuration for the server, loaded from C</etc/crossfire/config>, or	222	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
168	from wherever your confdir points to.	223	from wherever your confdir points to.
169		224
170	=item cf::wait_for_tick, cf::wait_for_tick_begin	225	=item cf::wait_for_tick, cf::wait_for_tick_begin
171		226
172	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
173	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
174	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.
175		230
176	=item @cf::INVOKE_RESULTS	231	=item @cf::INVOKE_RESULTS
177		232
178	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
179	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
180	that call.	235	that call.
181		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
182	=back	243	=back
183		244
184	=cut	245	=cut
185		246
186	BEGIN {	247	$Coro::State::WARNHOOK = sub {
187	*CORE::GLOBAL::warn = sub {
188	my $msg = join "", @_;	248	my $msg = join "", @_;
189		249
190	$msg .= "\n"	250	$msg .= "\n"
191	unless $msg =~ /\n$/;	251	unless $msg =~ /\n$/;
192		252
193	$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;
194		254
195	LOG llevError, $msg;	255	LOG llevError, $msg;
196	};	256	};
197	}	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	};
198		271
199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	272	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	273	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	274	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	275	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
209	for my $pkg (qw(	282	for my $pkg (qw(
210	cf::global cf::attachable	283	cf::global cf::attachable
211	cf::object cf::object::player	284	cf::object cf::object::player
212	cf::client cf::player	285	cf::client cf::player
213	cf::arch cf::living	286	cf::arch cf::living
		287	cf::map cf::mapspace
214	cf::map cf::party cf::region	288	cf::party cf::region
215	)) {	289	)) {
216	no strict 'refs';
217	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	290	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
218	}	291	}
219		292
220	$Event::DIED = sub {	293	$EV::DIED = sub {
221	warn "error in event callback: @_";	294	warn "error in event callback: @_";
222	};	295	};
223		296
224	#############################################################################	297	#############################################################################
225		298
…		…
248	$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;
249	$d	322	$d
250	} || "[unable to dump $_[0]: '$@']";	323	} || "[unable to dump $_[0]: '$@']";
251	}	324	}
252		325
253	=item $ref = cf::from_json $json	326	=item $ref = cf::decode_json $json
254		327
255	Converts a JSON string into the corresponding perl data structure.	328	Converts a JSON string into the corresponding perl data structure.
256		329
257	=item $json = cf::to_json $ref	330	=item $json = cf::encode_json $ref
258		331
259	Converts a perl data structure into its JSON representation.	332	Converts a perl data structure into its JSON representation.
260		333
261	=cut	334	=cut
262		335
263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	336	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
264		337
265	sub to_json ($) { $json_coder->encode ($_[0]) }	338	sub encode_json($) { $json_coder->encode ($_[0]) }
266	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	}
267		354
268	=item cf::lock_wait $string	355	=item cf::lock_wait $string
269		356
270	Wait until the given lock is available. See cf::lock_acquire.	357	Wait until the given lock is available. See cf::lock_acquire.
271		358
272	=item my $lock = cf::lock_acquire $string	359	=item my $lock = cf::lock_acquire $string
273		360
274	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
275	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,
276	for example when the coroutine gets canceled), the lock is automatically	363	for example when the coroutine gets canceled), the lock is automatically
277	returned.	364	returned.
278		365
279	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
280	deadlocked coro.	367	deadlocked coro.
…		…
286		373
287	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.
288		375
289	=cut	376	=cut
290		377
291	our %LOCK;	378	our $LOCKS = new Coro::SemaphoreSet;
292	our %LOCKER;#d#
293		379
294	sub lock_wait($) {	380	sub lock_wait($) {
295	my ($key) = @_;	381	$LOCKS->wait ($_[0]);
296
297	if ($LOCKER{$key} == $Coro::current) {#d#
298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
299	return;#d#
300	}#d#
301
302	# wait for lock, if any
303	while ($LOCK{$key}) {
304	push @{ $LOCK{$key} }, $Coro::current;
305	Coro::schedule;
306	}
307	}	382	}
308		383
309	sub lock_acquire($) {	384	sub lock_acquire($) {
310	my ($key) = @_;	385	$LOCKS->guard ($_[0])
311
312	# wait, to be sure we are not locked
313	lock_wait $key;
314
315	$LOCK{$key} = [];
316	$LOCKER{$key} = $Coro::current;#d#
317
318	Coro::guard {
319	delete $LOCKER{$key};#d#
320	# wake up all waiters, to be on the safe side
321	$_->ready for @{ delete $LOCK{$key} };
322	}
323	}	386	}
324		387
325	sub lock_active($) {	388	sub lock_active($) {
326	my ($key) = @_;	389	$LOCKS->count ($_[0]) < 1
327
328	! ! $LOCK{$key}
329	}	390	}
330		391
331	sub freeze_mainloop {	392	sub freeze_mainloop {
332	return unless $TICK_WATCHER->is_active;	393	tick_inhibit_inc;
333		394
334	my $guard = Coro::guard {	395	&Guard::guard (\&tick_inhibit_dec);
335	$TICK_WATCHER->start;	396	}
336	};	397
337	$TICK_WATCHER->stop;	398	=item cf::periodic $interval, $cb
338	$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($$) {
		406	my ($interval, $cb) = @_;
		407
		408	my $start = rand List::Util::min 180, $interval;
		409
		410	EV::periodic $start, $interval, 0, $cb
339	}	411	}
340		412
341	=item cf::get_slot $time[, $priority[, $name]]	413	=item cf::get_slot $time[, $priority[, $name]]
342		414
343	Allocate $time seconds of blocking CPU time at priority C<$priority>:	415	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
383	}	455	}
384	}	456	}
385	};	457	};
386		458
387	sub get_slot($;$$) {	459	sub get_slot($;$$) {
		460	return if tick_inhibit || $Coro::current == $Coro::main;
		461
388	my ($time, $pri, $name) = @_;	462	my ($time, $pri, $name) = @_;
389		463
390	$time = $TICK * .6 if $time > $TICK * .6;	464	$time = $TICK * .6 if $time > $TICK * .6;
391	my $sig = new Coro::Signal;	465	my $sig = new Coro::Signal;
392		466
…		…
406		480
407	BEGIN { *async = \&Coro::async_pool }	481	BEGIN { *async = \&Coro::async_pool }
408		482
409	=item cf::sync_job { BLOCK }	483	=item cf::sync_job { BLOCK }
410		484
411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	485	The design of Deliantra requires that the main coroutine ($Coro::main)
412	is always able to handle events or runnable, as Crossfire TRT is only	486	is always able to handle events or runnable, as Deliantra is only
413	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	487	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
414	acceptable.	488	acceptable.
415		489
416	If it must be done, put the blocking parts into C<sync_job>. This will run	490	If it must be done, put the blocking parts into C<sync_job>. This will run
417	the given BLOCK in another coroutine while waiting for the result. The	491	the given BLOCK in another coroutine while waiting for the result. The
…		…
422		496
423	sub sync_job(&) {	497	sub sync_job(&) {
424	my ($job) = @_;	498	my ($job) = @_;
425		499
426	if ($Coro::current == $Coro::main) {	500	if ($Coro::current == $Coro::main) {
427	my $time = Event::time;	501	my $time = EV::time;
428		502
429	# this is the main coro, too bad, we have to block	503	# this is the main coro, too bad, we have to block
430	# till the operation succeeds, freezing the server :/	504	# till the operation succeeds, freezing the server :/
431		505
432	LOG llevError, Carp::longmess "sync job";#d#	506	LOG llevError, Carp::longmess "sync job";#d#
433		507
434	# TODO: use suspend/resume instead
435	# (but this is cancel-safe)
436	my $freeze_guard = freeze_mainloop;	508	my $freeze_guard = freeze_mainloop;
437		509
438	my $busy = 1;	510	my $busy = 1;
439	my @res;	511	my @res;
440		512
…		…
447		519
448	while ($busy) {	520	while ($busy) {
449	if (Coro::nready) {	521	if (Coro::nready) {
450	Coro::cede_notself;	522	Coro::cede_notself;
451	} else {	523	} else {
452	Event::one_event;	524	EV::loop EV::LOOP_ONESHOT;
453	}	525	}
454	}	526	}
455		527
456	$time = Event::time - $time;	528	my $time = EV::time - $time;
457		529
458	LOG llevError | logBacktrace, Carp::longmess "long sync job"
459	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
460
461	$tick_start += $time; # do not account sync jobs to server load	530	$TICK_START += $time; # do not account sync jobs to server load
462		531
463	wantarray ? @res : $res[0]	532	wantarray ? @res : $res[0]
464	} else {	533	} else {
465	# we are in another coroutine, how wonderful, everything just works	534	# we are in another coroutine, how wonderful, everything just works
466		535
…		…
491	=item fork_call { }, $args	560	=item fork_call { }, $args
492		561
493	Executes the given code block with the given arguments in a seperate	562	Executes the given code block with the given arguments in a seperate
494	process, returning the results. Everything must be serialisable with	563	process, returning the results. Everything must be serialisable with
495	Coro::Storable. May, of course, block. Note that the executed sub may	564	Coro::Storable. May, of course, block. Note that the executed sub may
496	never block itself or use any form of Event handling.	565	never block itself or use any form of event handling.
497		566
498	=cut	567	=cut
499		568
500	sub fork_call(&@) {	569	sub fork_call(&@) {
501	my ($cb, @args) = @_;	570	my ($cb, @args) = @_;
…		…
508	reset_signals;	577	reset_signals;
509	&$cb	578	&$cb
510	}, @args;	579	}, @args;
511		580
512	wantarray ? @res : $res[-1]	581	wantarray ? @res : $res[-1]
		582	}
		583
		584	=item $coin = coin_from_name $name
		585
		586	=cut
		587
		588	our %coin_alias = (
		589	"silver" => "silvercoin",
		590	"silvercoin" => "silvercoin",
		591	"silvercoins" => "silvercoin",
		592	"gold" => "goldcoin",
		593	"goldcoin" => "goldcoin",
		594	"goldcoins" => "goldcoin",
		595	"platinum" => "platinacoin",
		596	"platinumcoin" => "platinacoin",
		597	"platinumcoins" => "platinacoin",
		598	"platina" => "platinacoin",
		599	"platinacoin" => "platinacoin",
		600	"platinacoins" => "platinacoin",
		601	"royalty" => "royalty",
		602	"royalties" => "royalty",
		603	);
		604
		605	sub coin_from_name($) {
		606	$coin_alias{$_[0]}
		607	? cf::arch::find $coin_alias{$_[0]}
		608	: undef
513	}	609	}
514		610
515	=item $value = cf::db_get $family => $key	611	=item $value = cf::db_get $family => $key
516		612
517	Returns a single value from the environment database.	613	Returns a single value from the environment database.
…		…
656		752
657	#############################################################################	753	#############################################################################
658		754
659	=head2 ATTACHABLE OBJECTS	755	=head2 ATTACHABLE OBJECTS
660		756
661	Many objects in crossfire are so-called attachable objects. That means you can	757	Many objects in deliantra are so-called attachable objects. That means you can
662	attach callbacks/event handlers (a collection of which is called an "attachment")	758	attach callbacks/event handlers (a collection of which is called an "attachment")
663	to it. All such attachable objects support the following methods.	759	to it. All such attachable objects support the following methods.
664		760
665	In the following description, CLASS can be any of C<global>, C<object>	761	In the following description, CLASS can be any of C<global>, C<object>
666	C<player>, C<client> or C<map> (i.e. the attachable objects in	762	C<player>, C<client> or C<map> (i.e. the attachable objects in
667	Crossfire TRT).	763	Deliantra).
668		764
669	=over 4	765	=over 4
670		766
671	=item $attachable->attach ($attachment, key => $value...)	767	=item $attachable->attach ($attachment, key => $value...)
672		768
…		…
716	=item cf::CLASS::attachment $name, ...	812	=item cf::CLASS::attachment $name, ...
717		813
718	Register an attachment by C<$name> through which attachable objects of the	814	Register an attachment by C<$name> through which attachable objects of the
719	given CLASS can refer to this attachment.	815	given CLASS can refer to this attachment.
720		816
721	Some classes such as crossfire maps and objects can specify attachments	817	Some classes such as deliantra maps and objects can specify attachments
722	that are attached at load/instantiate time, thus the need for a name.	818	that are attached at load/instantiate time, thus the need for a name.
723		819
724	These calls expect any number of the following handler/hook descriptions:	820	These calls expect any number of the following handler/hook descriptions:
725		821
726	=over 4	822	=over 4
…		…
954	}	1050	}
955		1051
956	0	1052	0
957	}	1053	}
958		1054
959	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1055	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
960		1056
961	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1057	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
962		1058
963	Generate an object-specific event with the given arguments.	1059	Generate an object-specific event with the given arguments.
964		1060
…		…
1017		1113
1018	sub reattach {	1114	sub reattach {
1019	# basically do the same as instantiate, without calling instantiate	1115	# basically do the same as instantiate, without calling instantiate
1020	my ($obj) = @_;	1116	my ($obj) = @_;
1021		1117
		1118	# no longer needed after getting rid of delete_package?
1022	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1119	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1023		1120
1024	my $registry = $obj->registry;	1121	my $registry = $obj->registry;
1025		1122
1026	@$registry = ();	1123	@$registry = ();
1027		1124
…		…
1042	cf::attachable->attach (	1139	cf::attachable->attach (
1043	prio => -1000000,	1140	prio => -1000000,
1044	on_instantiate => sub {	1141	on_instantiate => sub {
1045	my ($obj, $data) = @_;	1142	my ($obj, $data) = @_;
1046		1143
1047	$data = from_json $data;	1144	$data = decode_json $data;
1048		1145
1049	for (@$data) {	1146	for (@$data) {
1050	my ($name, $args) = @$_;	1147	my ($name, $args) = @$_;
1051		1148
1052	$obj->attach ($name, %{$args || {} });	1149	$obj->attach ($name, %{$args || {} });
…		…
1073	utf8::decode (my $decname = $filename);	1170	utf8::decode (my $decname = $filename);
1074	warn sprintf "saving %s (%d,%d)\n",	1171	warn sprintf "saving %s (%d,%d)\n",
1075	$decname, length $$rdata, scalar @$objs;	1172	$decname, length $$rdata, scalar @$objs;
1076		1173
1077	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1174	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1078	chmod SAVE_MODE, $fh;	1175	aio_chmod $fh, SAVE_MODE;
1079	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1176	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1080	aio_fsync $fh if $cf::USE_FSYNC;	1177	if ($cf::USE_FSYNC) {
		1178	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;
		1179	aio_fsync $fh;
		1180	}
1081	close $fh;	1181	aio_close $fh;
1082		1182
1083	if (@$objs) {	1183	if (@$objs) {
1084	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1184	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1085	chmod SAVE_MODE, $fh;	1185	aio_chmod $fh, SAVE_MODE;
1086	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1186	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1087	aio_write $fh, 0, (length $data), $data, 0;	1187	aio_write $fh, 0, (length $data), $data, 0;
1088	aio_fsync $fh if $cf::USE_FSYNC;	1188	if ($cf::USE_FSYNC) {
		1189	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;
		1190	aio_fsync $fh;
		1191	}
1089	close $fh;	1192	aio_close $fh;
1090	aio_rename "$filename.pst~", "$filename.pst";	1193	aio_rename "$filename.pst~", "$filename.pst";
1091	}	1194	}
1092	} else {	1195	} else {
1093	aio_unlink "$filename.pst";	1196	aio_unlink "$filename.pst";
1094	}	1197	}
1095		1198
1096	aio_rename "$filename~", $filename;	1199	aio_rename "$filename~", $filename;
		1200
		1201	$filename =~ s%/[^/]+$%%;
		1202	aio_pathsync $filename if $cf::USE_FSYNC;
1097	} else {	1203	} else {
1098	warn "FATAL: $filename~: $!\n";	1204	warn "unable to save objects: $filename~: $!\n";
1099	}	1205	}
1100	} else {	1206	} else {
1101	aio_unlink $filename;	1207	aio_unlink $filename;
1102	aio_unlink "$filename.pst";	1208	aio_unlink "$filename.pst";
1103	}	1209	}
…		…
1194	my ($name, $cb) = @_;	1300	my ($name, $cb) = @_;
1195		1301
1196	$EXTICMD{$name} = $cb;	1302	$EXTICMD{$name} = $cb;
1197	}	1303	}
1198		1304
		1305	use File::Glob ();
		1306
1199	cf::player->attach (	1307	cf::player->attach (
1200	on_command => sub {	1308	on_command => sub {
1201	my ($pl, $name, $params) = @_;	1309	my ($pl, $name, $params) = @_;
1202		1310
1203	my $cb = $COMMAND{$name}	1311	my $cb = $COMMAND{$name}
…		…
1235		1343
1236	cf::override;	1344	cf::override;
1237	},	1345	},
1238	);	1346	);
1239		1347
		1348	# "readahead" all extensions
		1349	sub cache_extensions {
		1350	my $grp = IO::AIO::aio_group;
		1351
		1352	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1353	for (grep /\.ext$/, @{$_[0]}) {
		1354	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1355	}
		1356	};
		1357
		1358	$grp
		1359	}
		1360
1240	sub load_extensions {	1361	sub load_extensions {
1241	cf::sync_job {	1362	cf::sync_job {
1242	my %todo;	1363	my %todo;
1243		1364
1244	for my $path (<$LIBDIR/*.ext>) {	1365	for my $path (<$LIBDIR/*.ext>) {
…		…
1263		1384
1264	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1385	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1265	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1386	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1266		1387
1267	$ext{source} =	1388	$ext{source} =
1268	"package $pkg; use strict; use utf8;\n"	1389	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1269	. "#line 1 \"$path\"\n{\n"	1390	. "#line 1 \"$path\"\n{\n"
1270	. $source	1391	. $source
1271	. "\n};\n1";	1392	. "\n};\n1";
1272		1393
1273	$todo{$base} = \%ext;	1394	$todo{$base} = \%ext;
…		…
1289	my $msg = $@ ? "$v->{path}: $@\n"	1410	my $msg = $@ ? "$v->{path}: $@\n"
1290	: "$v->{base}: extension inactive.\n";	1411	: "$v->{base}: extension inactive.\n";
1291		1412
1292	if (exists $v->{meta}{mandatory}) {	1413	if (exists $v->{meta}{mandatory}) {
1293	warn $msg;	1414	warn $msg;
1294	warn "mandatory extension failed to load, exiting.\n";	1415	cf::cleanup "mandatory extension failed to load, exiting.";
1295	exit 1;
1296	}	1416	}
1297		1417
1298	warn $msg;	1418	warn $msg;
1299	}	1419	}
1300		1420
…		…
1314		1434
1315	=back	1435	=back
1316		1436
1317	=head2 CORE EXTENSIONS	1437	=head2 CORE EXTENSIONS
1318		1438
1319	Functions and methods that extend core crossfire objects.	1439	Functions and methods that extend core deliantra objects.
1320		1440
1321	=cut	1441	=cut
1322		1442
1323	package cf::player;	1443	package cf::player;
1324		1444
…		…
1367		1487
1368	sub exists($) {	1488	sub exists($) {
1369	my ($login) = @_;	1489	my ($login) = @_;
1370		1490
1371	$cf::PLAYER{$login}	1491	$cf::PLAYER{$login}
1372	or cf::sync_job { !aio_stat path $login }	1492	or !aio_stat path $login
1373	}	1493	}
1374		1494
1375	sub find($) {	1495	sub find($) {
1376	return $cf::PLAYER{$_[0]} || do {	1496	return $cf::PLAYER{$_[0]} || do {
1377	my $login = $_[0];	1497	my $login = $_[0];
…		…
1389	my $f = new_from_file cf::object::thawer path $login	1509	my $f = new_from_file cf::object::thawer path $login
1390	or return;	1510	or return;
1391		1511
1392	my $pl = cf::player::load_pl $f	1512	my $pl = cf::player::load_pl $f
1393	or return;	1513	or return;
		1514
1394	local $cf::PLAYER_LOADING{$login} = $pl;	1515	local $cf::PLAYER_LOADING{$login} = $pl;
1395	$f->resolve_delayed_derefs;	1516	$f->resolve_delayed_derefs;
1396	$cf::PLAYER{$login} = $pl	1517	$cf::PLAYER{$login} = $pl
1397	}	1518	}
1398	}	1519	}
…		…
1408		1529
1409	return if $pl->{deny_save};	1530	return if $pl->{deny_save};
1410		1531
1411	aio_mkdir playerdir $pl, 0770;	1532	aio_mkdir playerdir $pl, 0770;
1412	$pl->{last_save} = $cf::RUNTIME;	1533	$pl->{last_save} = $cf::RUNTIME;
		1534
		1535	cf::get_slot 0.01;
1413		1536
1414	$pl->save_pl ($path);	1537	$pl->save_pl ($path);
1415	cf::cede_to_tick;	1538	cf::cede_to_tick;
1416	}	1539	}
1417		1540
…		…
1449	my ($pl) = @_;	1572	my ($pl) = @_;
1450		1573
1451	my $name = $pl->ob->name;	1574	my $name = $pl->ob->name;
1452		1575
1453	$pl->{deny_save} = 1;	1576	$pl->{deny_save} = 1;
1454	$pl->password ("*"); # this should lock out the player until we nuked the dir	1577	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1455		1578
1456	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1579	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1457	$pl->deactivate;	1580	$pl->deactivate;
		1581	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1582	$pl->ob->check_score;
1458	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1583	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1459	$pl->ns->destroy if $pl->ns;	1584	$pl->ns->destroy if $pl->ns;
1460		1585
1461	my $path = playerdir $pl;	1586	my $path = playerdir $pl;
1462	my $temp = "$path~$cf::RUNTIME~deleting~";	1587	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1501		1626
1502	for my $login (@$dirs) {	1627	for my $login (@$dirs) {
1503	my $path = path $login;	1628	my $path = path $login;
1504		1629
1505	# a .pst is a dead give-away for a valid player	1630	# a .pst is a dead give-away for a valid player
1506	unless (-e "$path.pst") {	1631	# if no pst file found, open and chekc for blocked users
		1632	if (aio_stat "$path.pst") {
1507	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1633	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1508	aio_read $fh, 0, 512, my $buf, 0 or next;	1634	aio_read $fh, 0, 512, my $buf, 0 or next;
1509	$buf !~ /^password -------------$/m or next; # official not-valid tag	1635	$buf !~ /^password -------------$/m or next; # official not-valid tag
1510	}	1636	}
1511		1637
…		…
1542	}	1668	}
1543		1669
1544	\@paths	1670	\@paths
1545	}	1671	}
1546		1672
1547	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1673	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1548		1674
1549	Expand crossfire pod fragments into protocol xml.	1675	Expand deliantra pod fragments into protocol xml.
1550
1551	=cut
1552
1553	use re 'eval';
1554
1555	my $group;
1556	my $interior; $interior = qr{
1557	# match a pod interior sequence sans C<< >>
1558	(?:
1559	\ (.*?)\ (?{ $group = $^N })
1560	| < (??{$interior}) >
1561	)
1562	}x;
1563
1564	sub expand_cfpod {
1565	my ($self, $pod) = @_;
1566
1567	my $xml;
1568
1569	while () {
1570	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1571	$group = $1;
1572
1573	$group =~ s/&/&amp;/g;
1574	$group =~ s/</&lt;/g;
1575
1576	$xml .= $group;
1577	} elsif ($pod =~ m%\G
1578	([BCGHITU])
1579	<
1580	(?:
1581	([^<>]*) (?{ $group = $^N })
1582	| < $interior >
1583	)
1584	>
1585	%gcsx
1586	) {
1587	my ($code, $data) = ($1, $group);
1588
1589	if ($code eq "B") {
1590	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1591	} elsif ($code eq "I") {
1592	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1593	} elsif ($code eq "U") {
1594	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1595	} elsif ($code eq "C") {
1596	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1597	} elsif ($code eq "T") {
1598	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1599	} elsif ($code eq "G") {
1600	my ($male, $female) = split /\|/, $data;
1601	$data = $self->gender ? $female : $male;
1602	$xml .= expand_cfpod ($self, $data);
1603	} elsif ($code eq "H") {
1604	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1605	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1606	"")
1607	[$self->{hintmode}];
1608	} else {
1609	$xml .= "error processing '$code($data)' directive";
1610	}
1611	} else {
1612	if ($pod =~ /\G(.+)/) {
1613	warn "parse error while expanding $pod (at $1)";
1614	}
1615	last;
1616	}
1617	}
1618
1619	for ($xml) {
1620	# create single paragraphs (very hackish)
1621	s/(?<=\S)\n(?=\w)/ /g;
1622
1623	# compress some whitespace
1624	s/\s+\n/\n/g; # ws line-ends
1625	s/\n\n+/\n/g; # double lines
1626	s/^\n+//; # beginning lines
1627	s/\n+$//; # ending lines
1628	}
1629
1630	$xml
1631	}
1632
1633	no re 'eval';
1634
1635	sub hintmode {
1636	$_[0]{hintmode} = $_[1] if @_ > 1;
1637	$_[0]{hintmode}
1638	}
1639		1676
1640	=item $player->ext_reply ($msgid, @msg)	1677	=item $player->ext_reply ($msgid, @msg)
1641		1678
1642	Sends an ext reply to the player.	1679	Sends an ext reply to the player.
1643		1680
…		…
1710	our $MAX_RESET = 3600;	1747	our $MAX_RESET = 3600;
1711	our $DEFAULT_RESET = 3000;	1748	our $DEFAULT_RESET = 3000;
1712		1749
1713	sub generate_random_map {	1750	sub generate_random_map {
1714	my ($self, $rmp) = @_;	1751	my ($self, $rmp) = @_;
		1752
		1753	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1754
1715	# mit "rum" bekleckern, nicht	1755	# mit "rum" bekleckern, nicht
1716	$self->_create_random_map (	1756	$self->_create_random_map (
1717	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1757	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1718	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1758	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1719	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1759	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1841		1881
1842	# the temporary/swap location	1882	# the temporary/swap location
1843	sub save_path {	1883	sub save_path {
1844	my ($self) = @_;	1884	my ($self) = @_;
1845		1885
1846	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1886	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1847	"$TMPDIR/$path.map"	1887	"$TMPDIR/$path.map"
1848	}	1888	}
1849		1889
1850	# the unique path, undef == no special unique path	1890	# the unique path, undef == no special unique path
1851	sub uniq_path {	1891	sub uniq_path {
1852	my ($self) = @_;	1892	my ($self) = @_;
1853		1893
1854	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1894	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1855	"$UNIQUEDIR/$path"	1895	"$UNIQUEDIR/$path"
1856	}
1857
1858	# and all this just because we cannot iterate over
1859	# all maps in C++...
1860	sub change_all_map_light {
1861	my ($change) = @_;
1862
1863	$_->change_map_light ($change)
1864	for grep $_->outdoor, values %cf::MAP;
1865	}	1896	}
1866		1897
1867	sub decay_objects {	1898	sub decay_objects {
1868	my ($self) = @_;	1899	my ($self) = @_;
1869		1900
…		…
1953	sub find {	1984	sub find {
1954	my ($path, $origin) = @_;	1985	my ($path, $origin) = @_;
1955		1986
1956	$path = normalise $path, $origin && $origin->path;	1987	$path = normalise $path, $origin && $origin->path;
1957		1988
1958	cf::lock_wait "map_data:$path";#d#remove	1989	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1959	cf::lock_wait "map_find:$path";	1990	my $guard2 = cf::lock_acquire "map_find:$path";
1960		1991
1961	$cf::MAP{$path} || do {	1992	$cf::MAP{$path} || do {
1962	my $guard1 = cf::lock_acquire "map_find:$path";
1963	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1964
1965	my $map = new_from_path cf::map $path	1993	my $map = new_from_path cf::map $path
1966	or return;	1994	or return;
1967		1995
1968	$map->{last_save} = $cf::RUNTIME;	1996	$map->{last_save} = $cf::RUNTIME;
1969		1997
…		…
1971	or return;	1999	or return;
1972		2000
1973	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2001	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1974	# doing this can freeze the server in a sync job, obviously	2002	# doing this can freeze the server in a sync job, obviously
1975	#$cf::WAIT_FOR_TICK->wait;	2003	#$cf::WAIT_FOR_TICK->wait;
		2004	undef $guard2;
1976	undef $guard1;	2005	undef $guard1;
1977	undef $guard2;
1978	$map->reset;	2006	$map->reset;
1979	return find $path;	2007	return find $path;
1980	}	2008	}
1981		2009
1982	$cf::MAP{$path} = $map	2010	$cf::MAP{$path} = $map
…		…
2009	my $f = new_from_file cf::object::thawer $self->{load_path};	2037	my $f = new_from_file cf::object::thawer $self->{load_path};
2010	$f->skip_block;	2038	$f->skip_block;
2011	$self->_load_objects ($f)	2039	$self->_load_objects ($f)
2012	or return;	2040	or return;
2013		2041
2014	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2042	$self->post_load_original
2015	if delete $self->{load_original};	2043	if delete $self->{load_original};
2016		2044
2017	if (my $uniq = $self->uniq_path) {	2045	if (my $uniq = $self->uniq_path) {
2018	utf8::encode $uniq;	2046	utf8::encode $uniq;
2019	unless (aio_stat $uniq) {	2047	unless (aio_stat $uniq) {
…		…
2037	unless ($self->{deny_activate}) {	2065	unless ($self->{deny_activate}) {
2038	$self->decay_objects;	2066	$self->decay_objects;
2039	$self->fix_auto_apply;	2067	$self->fix_auto_apply;
2040	$self->update_buttons;	2068	$self->update_buttons;
2041	cf::cede_to_tick;	2069	cf::cede_to_tick;
2042	$self->set_darkness_map;
2043	cf::cede_to_tick;
2044	$self->activate;	2070	$self->activate;
2045	}	2071	}
2046		2072
2047	$self->{last_save} = $cf::RUNTIME;	2073	$self->{last_save} = $cf::RUNTIME;
2048	$self->last_access ($cf::RUNTIME);	2074	$self->last_access ($cf::RUNTIME);
2049		2075
2050	$self->in_memory (cf::MAP_IN_MEMORY);	2076	$self->in_memory (cf::MAP_ACTIVE);
2051	}	2077	}
2052		2078
2053	$self->post_load;	2079	$self->post_load;
2054	}	2080	}
2055		2081
…		…
2113	my ($path, $origin, $load) = @_;	2139	my ($path, $origin, $load) = @_;
2114		2140
2115	$path = normalise $path, $origin && $origin->{path};	2141	$path = normalise $path, $origin && $origin->{path};
2116		2142
2117	if (my $map = $cf::MAP{$path}) {	2143	if (my $map = $cf::MAP{$path}) {
2118	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2144	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2119	}	2145	}
2120		2146
2121	$MAP_PREFETCH{$path} |= $load;	2147	$MAP_PREFETCH{$path} |= $load;
2122		2148
2123	$MAP_PREFETCHER ||= cf::async {	2149	$MAP_PREFETCHER ||= cf::async {
…		…
2160	cf::async {	2186	cf::async {
2161	$Coro::current->{desc} = "map player save";	2187	$Coro::current->{desc} = "map player save";
2162	$_->contr->save for $self->players;	2188	$_->contr->save for $self->players;
2163	};	2189	};
2164		2190
		2191	cf::get_slot 0.02;
		2192
2165	if ($uniq) {	2193	if ($uniq) {
2166	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2194	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2167	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2195	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2168	} else {	2196	} else {
2169	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2197	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
…		…
2177	$self->save;	2205	$self->save;
2178		2206
2179	my $lock = cf::lock_acquire "map_data:$self->{path}";	2207	my $lock = cf::lock_acquire "map_data:$self->{path}";
2180		2208
2181	return if $self->players;	2209	return if $self->players;
2182	return if $self->in_memory != cf::MAP_IN_MEMORY;	2210	return if $self->in_memory != cf::MAP_ACTIVE;
2183	return if $self->{deny_save};	2211	return if $self->{deny_save};
2184		2212
2185	$self->in_memory (cf::MAP_SWAPPED);	2213	$self->in_memory (cf::MAP_SWAPPED);
2186		2214
2187	$self->deactivate;	2215	$self->deactivate;
…		…
2212		2240
2213	my $lock = cf::lock_acquire "map_data:$self->{path}";	2241	my $lock = cf::lock_acquire "map_data:$self->{path}";
2214		2242
2215	return if $self->players;	2243	return if $self->players;
2216		2244
2217	warn "resetting map ", $self->path;	2245	warn "resetting map ", $self->path, "\n";
2218		2246
2219	$self->in_memory (cf::MAP_SWAPPED);	2247	$self->in_memory (cf::MAP_SWAPPED);
2220		2248
2221	# need to save uniques path	2249	# need to save uniques path
2222	unless ($self->{deny_save}) {	2250	unless ($self->{deny_save}) {
…		…
2305		2333
2306	sub unique_maps() {	2334	sub unique_maps() {
2307	[	2335	[
2308	map {	2336	map {
2309	utf8::decode $_;	2337	utf8::decode $_;
2310	/\.map$/	2338	s/\.map$//; # TODO future compatibility hack
		2339	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2340	? ()
2311	? normalise $_	2341	: normalise $_
2312	: ()
2313	} @{ aio_readdir $UNIQUEDIR or [] }	2342	} @{ aio_readdir $UNIQUEDIR or [] }
2314	]	2343	]
2315	}	2344	}
2316		2345
2317	package cf;	2346	=item cf::map::static_maps
		2347
		2348	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2349	file in the shared directory excluding F</styles> and F</editor>). May
		2350	block.
		2351
		2352	=cut
		2353
		2354	sub static_maps() {
		2355	my @dirs = "";
		2356	my @maps;
		2357
		2358	while (@dirs) {
		2359	my $dir = shift @dirs;
		2360
		2361	next if $dir eq "/styles" || $dir eq "/editor";
		2362
		2363	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2364	or return;
		2365
		2366	for (@$files) {
		2367	s/\.map$// or next;
		2368	utf8::decode $_;
		2369	push @maps, "$dir/$_";
		2370	}
		2371
		2372	push @dirs, map "$dir/$_", @$dirs;
		2373	}
		2374
		2375	\@maps
		2376	}
2318		2377
2319	=back	2378	=back
2320		2379
2321	=head3 cf::object	2380	=head3 cf::object
2322		2381
…		…
2326		2385
2327	=over 4	2386	=over 4
2328		2387
2329	=item $ob->inv_recursive	2388	=item $ob->inv_recursive
2330		2389
2331	Returns the inventory of the object _and_ their inventories, recursively.	2390	Returns the inventory of the object I<and> their inventories, recursively,
		2391	but I<not> the object itself.
2332		2392
2333	=cut	2393	=cut
2334		2394
2335	sub inv_recursive_;	2395	sub inv_recursive_;
2336	sub inv_recursive_ {	2396	sub inv_recursive_ {
…		…
2341	inv_recursive_ inv $_[0]	2401	inv_recursive_ inv $_[0]
2342	}	2402	}
2343		2403
2344	=item $ref = $ob->ref	2404	=item $ref = $ob->ref
2345		2405
2346	creates and returns a persistent reference to an objetc that can be stored as a string.	2406	Creates and returns a persistent reference to an object that can be stored as a string.
2347		2407
2348	=item $ob = cf::object::deref ($refstring)	2408	=item $ob = cf::object::deref ($refstring)
2349		2409
2350	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2410	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2351	even if the object actually exists. May block.	2411	even if the object actually exists. May block.
…		…
2383	can be C<undef>. Does the right thing when the player is currently in a	2443	can be C<undef>. Does the right thing when the player is currently in a
2384	dialogue with the given NPC character.	2444	dialogue with the given NPC character.
2385		2445
2386	=cut	2446	=cut
2387		2447
		2448	our $SAY_CHANNEL = {
		2449	id => "say",
		2450	title => "Map",
		2451	reply => "say ",
		2452	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2453	};
		2454
		2455	our $CHAT_CHANNEL = {
		2456	id => "chat",
		2457	title => "Chat",
		2458	reply => "chat ",
		2459	tooltip => "Player chat and shouts, global to the server.",
		2460	};
		2461
2388	# rough implementation of a future "reply" method that works	2462	# rough implementation of a future "reply" method that works
2389	# with dialog boxes.	2463	# with dialog boxes.
2390	#TODO: the first argument must go, split into a $npc->reply_to ( method	2464	#TODO: the first argument must go, split into a $npc->reply_to ( method
2391	sub cf::object::player::reply($$$;$) {	2465	sub cf::object::player::reply($$$;$) {
2392	my ($self, $npc, $msg, $flags) = @_;	2466	my ($self, $npc, $msg, $flags) = @_;
…		…
2403	my $dialog = $pl->{npc_dialog};	2477	my $dialog = $pl->{npc_dialog};
2404	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2478	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2405		2479
2406	} else {	2480	} else {
2407	$msg = $npc->name . " says: $msg" if $npc;	2481	$msg = $npc->name . " says: $msg" if $npc;
2408	$self->message ($msg, $flags);	2482	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2409	}	2483	}
2410	}	2484	}
2411	}	2485	}
2412		2486
2413	=item $object->send_msg ($channel, $msg, $color, [extra...])	2487	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2438		2512
2439	=item $player_object->enter_link	2513	=item $player_object->enter_link
2440		2514
2441	Freezes the player and moves him/her to a special map (C<{link}>).	2515	Freezes the player and moves him/her to a special map (C<{link}>).
2442		2516
2443	The player should be reasonably safe there for short amounts of time. You	2517	The player should be reasonably safe there for short amounts of time (e.g.
2444	I<MUST> call C<leave_link> as soon as possible, though.	2518	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2519	though, as the palyer cannot control the character while it is on the link
		2520	map.
2445		2521
2446	Will never block.	2522	Will never block.
2447		2523
2448	=item $player_object->leave_link ($map, $x, $y)	2524	=item $player_object->leave_link ($map, $x, $y)
2449		2525
…		…
2507		2583
2508	$map->load;	2584	$map->load;
2509	$map->load_neighbours;	2585	$map->load_neighbours;
2510		2586
2511	return unless $self->contr->active;	2587	return unless $self->contr->active;
2512	$self->activate_recursive;
2513		2588
2514	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2589	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2515	$self->enter_map ($map, $x, $y);	2590	$self->enter_map ($map, $x, $y);
		2591
		2592	# only activate afterwards, to support waiting in hooks
		2593	$self->activate_recursive;
2516	}	2594	}
2517		2595
2518	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2596	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2519		2597
2520	Moves the player to the given map-path and coordinates by first freezing	2598	Moves the player to the given map-path and coordinates by first freezing
2521	her, loading and preparing them map, calling the provided $check callback	2599	her, loading and preparing them map, calling the provided $check callback
2522	that has to return the map if sucecssful, and then unfreezes the player on	2600	that has to return the map if sucecssful, and then unfreezes the player on
2523	the new (success) or old (failed) map position. In either case, $done will	2601	the new (success) or old (failed) map position. In either case, $done will
2524	be called at the end of this process.	2602	be called at the end of this process.
		2603
		2604	Note that $check will be called with a potentially non-loaded map, so if
		2605	it needs a loaded map it has to call C<< ->load >>.
2525		2606
2526	=cut	2607	=cut
2527		2608
2528	our $GOTOGEN;	2609	our $GOTOGEN;
2529		2610
…		…
2608	}	2689	}
2609		2690
2610	sub prepare_random_map {	2691	sub prepare_random_map {
2611	my ($exit) = @_;	2692	my ($exit) = @_;
2612		2693
2613	my $guard = cf::lock_acquire "exit_prepare:$exit";
2614
2615	# all this does is basically replace the /! path by	2694	# all this does is basically replace the /! path by
2616	# a new random map path (?random/...) with a seed	2695	# a new random map path (?random/...) with a seed
2617	# that depends on the exit object	2696	# that depends on the exit object
2618		2697
2619	my $rmp = parse_random_map_params $exit->msg;	2698	my $rmp = parse_random_map_params $exit->msg;
…		…
2621	if ($exit->map) {	2700	if ($exit->map) {
2622	$rmp->{region} = $exit->region->name;	2701	$rmp->{region} = $exit->region->name;
2623	$rmp->{origin_map} = $exit->map->path;	2702	$rmp->{origin_map} = $exit->map->path;
2624	$rmp->{origin_x} = $exit->x;	2703	$rmp->{origin_x} = $exit->x;
2625	$rmp->{origin_y} = $exit->y;	2704	$rmp->{origin_y} = $exit->y;
		2705
		2706	$exit->map->touch;
2626	}	2707	}
2627		2708
2628	$rmp->{random_seed} ||= $exit->random_seed;	2709	$rmp->{random_seed} ||= $exit->random_seed;
2629		2710
2630	my $data = cf::to_json $rmp;	2711	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2631	my $md5 = Digest::MD5::md5_hex $data;	2712	my $md5 = Digest::MD5::md5_hex $data;
2632	my $meta = "$RANDOMDIR/$md5.meta";	2713	my $meta = "$RANDOMDIR/$md5.meta";
2633		2714
2634	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2715	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2635	aio_write $fh, 0, (length $data), $data, 0;	2716	aio_write $fh, 0, (length $data), $data, 0;
2636	undef $fh;	2717	undef $fh;
2637	aio_rename "$meta~", $meta;	2718	aio_rename "$meta~", $meta;
2638		2719
		2720	my $slaying = "?random/$md5";
		2721
		2722	if ($exit->valid) {
2639	$exit->slaying ("?random/$md5");	2723	$exit->slaying ("?random/$md5");
2640	$exit->msg (undef);	2724	$exit->msg (undef);
		2725	}
2641	}	2726	}
2642	}	2727	}
2643		2728
2644	sub cf::object::player::enter_exit {	2729	sub cf::object::player::enter_exit {
2645	my ($self, $exit) = @_;	2730	my ($self, $exit) = @_;
2646		2731
2647	return unless $self->type == cf::PLAYER;	2732	return unless $self->type == cf::PLAYER;
2648		2733
2649	if ($exit->slaying eq "/!") {
2650	#TODO: this should de-fi-ni-te-ly not be a sync-job
2651	# the problem is that $exit might not survive long enough
2652	# so it needs to be done right now, right here
2653	cf::sync_job { prepare_random_map $exit };
2654	}
2655
2656	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2657	my $hp = $exit->stats->hp;
2658	my $sp = $exit->stats->sp;
2659
2660	$self->enter_link;	2734	$self->enter_link;
2661		2735
2662	# if exit is damned, update players death & WoR home-position
2663	$self->contr->savebed ($slaying, $hp, $sp)
2664	if $exit->flag (FLAG_DAMNED);
2665
2666	(async {	2736	(async {
2667	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2737	$Coro::current->{desc} = "enter_exit";
2668		2738
2669	$self->deactivate_recursive; # just to be sure
2670	unless (eval {	2739	unless (eval {
		2740	$self->deactivate_recursive; # just to be sure
		2741
		2742	# random map handling
		2743	{
		2744	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2745
		2746	prepare_random_map $exit
		2747	if $exit->slaying eq "/!";
		2748	}
		2749
		2750	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2751	my $x = $exit->stats->hp;
		2752	my $y = $exit->stats->sp;
		2753
2671	$self->goto ($slaying, $hp, $sp);	2754	$self->goto ($map, $x, $y);
2672		2755
		2756	# if exit is damned, update players death & WoR home-position
		2757	$self->contr->savebed ($map, $x, $y)
		2758	if $exit->flag (cf::FLAG_DAMNED);
		2759
2673	1;	2760	1
2674	}) {	2761	}) {
2675	$self->message ("Something went wrong deep within the crossfire server. "	2762	$self->message ("Something went wrong deep within the deliantra server. "
2676	. "I'll try to bring you back to the map you were before. "	2763	. "I'll try to bring you back to the map you were before. "
2677	. "Please report this to the dungeon master!",	2764	. "Please report this to the dungeon master!",
2678	cf::NDI_UNIQUE | cf::NDI_RED);	2765	cf::NDI_UNIQUE | cf::NDI_RED);
2679		2766
2680	warn "ERROR in enter_exit: $@";	2767	warn "ERROR in enter_exit: $@";
…		…
2710		2797
2711	=cut	2798	=cut
2712		2799
2713	# non-persistent channels (usually the info channel)	2800	# non-persistent channels (usually the info channel)
2714	our %CHANNEL = (	2801	our %CHANNEL = (
		2802	"c/motd" => {
		2803	id => "infobox",
		2804	title => "MOTD",
		2805	reply => undef,
		2806	tooltip => "The message of the day",
		2807	},
2715	"c/identify" => {	2808	"c/identify" => {
2716	id => "infobox",	2809	id => "infobox",
2717	title => "Identify",	2810	title => "Identify",
2718	reply => undef,	2811	reply => undef,
2719	tooltip => "Items recently identified",	2812	tooltip => "Items recently identified",
…		…
2721	"c/examine" => {	2814	"c/examine" => {
2722	id => "infobox",	2815	id => "infobox",
2723	title => "Examine",	2816	title => "Examine",
2724	reply => undef,	2817	reply => undef,
2725	tooltip => "Signs and other items you examined",	2818	tooltip => "Signs and other items you examined",
		2819	},
		2820	"c/shopinfo" => {
		2821	id => "infobox",
		2822	title => "Shop Info",
		2823	reply => undef,
		2824	tooltip => "What your bargaining skill tells you about the shop",
2726	},	2825	},
2727	"c/book" => {	2826	"c/book" => {
2728	id => "infobox",	2827	id => "infobox",
2729	title => "Book",	2828	title => "Book",
2730	reply => undef,	2829	reply => undef,
…		…
2746	id => "infobox",	2845	id => "infobox",
2747	title => "Body Parts",	2846	title => "Body Parts",
2748	reply => undef,	2847	reply => undef,
2749	tooltip => "Shows which body parts you posess and are available",	2848	tooltip => "Shows which body parts you posess and are available",
2750	},	2849	},
		2850	"c/statistics" => {
		2851	id => "infobox",
		2852	title => "Statistics",
		2853	reply => undef,
		2854	tooltip => "Shows your primary statistics",
		2855	},
		2856	"c/skills" => {
		2857	id => "infobox",
		2858	title => "Skills",
		2859	reply => undef,
		2860	tooltip => "Shows your experience per skill and item power",
		2861	},
		2862	"c/shopitems" => {
		2863	id => "infobox",
		2864	title => "Shop Items",
		2865	reply => undef,
		2866	tooltip => "Shows the items currently for sale in this shop",
		2867	},
		2868	"c/resistances" => {
		2869	id => "infobox",
		2870	title => "Resistances",
		2871	reply => undef,
		2872	tooltip => "Shows your resistances",
		2873	},
		2874	"c/pets" => {
		2875	id => "infobox",
		2876	title => "Pets",
		2877	reply => undef,
		2878	tooltip => "Shows information abotu your pets/a specific pet",
		2879	},
		2880	"c/perceiveself" => {
		2881	id => "infobox",
		2882	title => "Perceive Self",
		2883	reply => undef,
		2884	tooltip => "You gained detailed knowledge about yourself",
		2885	},
2751	"c/uptime" => {	2886	"c/uptime" => {
2752	id => "infobox",	2887	id => "infobox",
2753	title => "Uptime",	2888	title => "Uptime",
2754	reply => undef,	2889	reply => undef,
2755	tooltip => "How long the server has been running since last restart",	2890	tooltip => "How long the server has been running since last restart",
…		…
2758	id => "infobox",	2893	id => "infobox",
2759	title => "Map Info",	2894	title => "Map Info",
2760	reply => undef,	2895	reply => undef,
2761	tooltip => "Information related to the maps",	2896	tooltip => "Information related to the maps",
2762	},	2897	},
		2898	"c/party" => {
		2899	id => "party",
		2900	title => "Party",
		2901	reply => "gsay ",
		2902	tooltip => "Messages and chat related to your party",
		2903	},
		2904	"c/death" => {
		2905	id => "death",
		2906	title => "Death",
		2907	reply => undef,
		2908	tooltip => "Reason for and more info about your most recent death",
		2909	},
		2910	"c/say" => $SAY_CHANNEL,
		2911	"c/chat" => $CHAT_CHANNEL,
2763	);	2912	);
2764		2913
2765	sub cf::client::send_msg {	2914	sub cf::client::send_msg {
2766	my ($self, $channel, $msg, $color, @extra) = @_;	2915	my ($self, $channel, $msg, $color, @extra) = @_;
2767		2916
2768	$msg = $self->pl->expand_cfpod ($msg);	2917	$msg = $self->pl->expand_cfpod ($msg)
		2918	unless $color & cf::NDI_VERBATIM;
2769		2919
2770	$color &= cf::NDI_CLIENT_MASK; # just in case...	2920	$color &= cf::NDI_CLIENT_MASK; # just in case...
2771		2921
2772	# check predefined channels, for the benefit of C	2922	# check predefined channels, for the benefit of C
2773	if ($CHANNEL{$channel}) {	2923	if ($CHANNEL{$channel}) {
2774	$channel = $CHANNEL{$channel};	2924	$channel = $CHANNEL{$channel};
2775		2925
2776	$self->ext_msg (channel_info => $channel)	2926	$self->ext_msg (channel_info => $channel);
2777	if $self->can_msg;
2778
2779	$channel = $channel->{id};	2927	$channel = $channel->{id};
2780		2928
2781	} elsif (ref $channel) {	2929	} elsif (ref $channel) {
2782	# send meta info to client, if not yet sent	2930	# send meta info to client, if not yet sent
2783	unless (exists $self->{channel}{$channel->{id}}) {	2931	unless (exists $self->{channel}{$channel->{id}}) {
2784	$self->{channel}{$channel->{id}} = $channel;	2932	$self->{channel}{$channel->{id}} = $channel;
2785	$self->ext_msg (channel_info => $channel)	2933	$self->ext_msg (channel_info => $channel);
2786	if $self->can_msg;
2787	}	2934	}
2788		2935
2789	$channel = $channel->{id};	2936	$channel = $channel->{id};
2790	}	2937	}
2791		2938
2792	return unless @extra || length $msg;	2939	return unless @extra || length $msg;
2793		2940
2794	if ($self->can_msg) {
2795	# default colour, mask it out	2941	# default colour, mask it out
2796	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2942	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2797	if $color & cf::NDI_DEF;	2943	if $color & cf::NDI_DEF;
2798		2944
2799	$self->send_packet ("msg " . $self->{json_coder}->encode (	2945	my $pkt = "msg "
		2946	. $self->{json_coder}->encode (
2800	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2947	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2801	} else {	2948	);
2802	if ($color >= 0) {
2803	# replace some tags by gcfclient-compatible ones
2804	for ($msg) {
2805	1 while
2806	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2807	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2808	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2809	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2810	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2811	}
2812		2949
2813	$color &= cf::NDI_COLOR_MASK;	2950	# try lzf for large packets
		2951	$pkt = "lzf " . Compress::LZF::compress $pkt
		2952	if 1024 <= length $pkt and $self->{can_lzf};
2814		2953
2815	utf8::encode $msg;	2954	# split very large packets
2816		2955	if (8192 < length $pkt and $self->{can_lzf}) {
2817	if (0 && $msg =~ /\[/) {	2956	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2818	# COMMAND/INFO	2957	$pkt = "frag";
2819	$self->send_packet ("drawextinfo $color 10 8 $msg")
2820	} else {
2821	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2822	$self->send_packet ("drawinfo $color $msg")
2823	}
2824	}
2825	}	2958	}
		2959
		2960	$self->send_packet ($pkt);
2826	}	2961	}
2827		2962
2828	=item $client->ext_msg ($type, @msg)	2963	=item $client->ext_msg ($type, @msg)
2829		2964
2830	Sends an ext event to the client.	2965	Sends an ext event to the client.
…		…
3004		3139
3005	The following functions and methods are available within a safe environment:	3140	The following functions and methods are available within a safe environment:
3006		3141
3007	cf::object	3142	cf::object
3008	contr pay_amount pay_player map x y force_find force_add destroy	3143	contr pay_amount pay_player map x y force_find force_add destroy
3009	insert remove name archname title slaying race decrease_ob_nr	3144	insert remove name archname title slaying race decrease split
		3145	value
3010		3146
3011	cf::object::player	3147	cf::object::player
3012	player	3148	player
3013		3149
3014	cf::player	3150	cf::player
…		…
3019		3155
3020	=cut	3156	=cut
3021		3157
3022	for (	3158	for (
3023	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3159	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3024	insert remove inv name archname title slaying race	3160	insert remove inv nrof name archname title slaying race
3025	decrease_ob_nr destroy)],	3161	decrease split destroy change_exp value msg lore send_msg)],
3026	["cf::object::player" => qw(player)],	3162	["cf::object::player" => qw(player)],
3027	["cf::player" => qw(peaceful)],	3163	["cf::player" => qw(peaceful send_msg)],
3028	["cf::map" => qw(trigger)],	3164	["cf::map" => qw(trigger)],
3029	) {	3165	) {
3030	no strict 'refs';	3166	no strict 'refs';
3031	my ($pkg, @funs) = @$_;	3167	my ($pkg, @funs) = @$_;
3032	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3168	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
3049	my ($code, %vars) = @_;	3185	my ($code, %vars) = @_;
3050		3186
3051	my $qcode = $code;	3187	my $qcode = $code;
3052	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3188	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3053	$qcode =~ s/\n/\\n/g;	3189	$qcode =~ s/\n/\\n/g;
		3190
		3191	%vars = (_dummy => 0) unless %vars;
3054		3192
3055	local $_;	3193	local $_;
3056	local @safe::cf::_safe_eval_args = values %vars;	3194	local @safe::cf::_safe_eval_args = values %vars;
3057		3195
3058	my $eval =	3196	my $eval =
…		…
3135	{	3273	{
3136	my $faces = $facedata->{faceinfo};	3274	my $faces = $facedata->{faceinfo};
3137		3275
3138	while (my ($face, $info) = each %$faces) {	3276	while (my ($face, $info) = each %$faces) {
3139	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3277	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3278
3140	cf::face::set_visibility $idx, $info->{visibility};	3279	cf::face::set_visibility $idx, $info->{visibility};
3141	cf::face::set_magicmap $idx, $info->{magicmap};	3280	cf::face::set_magicmap $idx, $info->{magicmap};
3142	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3281	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
3143	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3282	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
3144		3283
3145	cf::cede_to_tick;	3284	cf::cede_to_tick;
3146	}	3285	}
3147		3286
3148	while (my ($face, $info) = each %$faces) {	3287	while (my ($face, $info) = each %$faces) {
3149	next unless $info->{smooth};	3288	next unless $info->{smooth};
		3289
3150	my $idx = cf::face::find $face	3290	my $idx = cf::face::find $face
3151	or next;	3291	or next;
		3292
3152	if (my $smooth = cf::face::find $info->{smooth}) {	3293	if (my $smooth = cf::face::find $info->{smooth}) {
3153	cf::face::set_smooth $idx, $smooth;	3294	cf::face::set_smooth $idx, $smooth;
3154	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3295	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3155	} else {	3296	} else {
3156	warn "smooth face '$info->{smooth}' not found for face '$face'";	3297	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
3174	{	3315	{
3175	# TODO: for gcfclient pleasure, we should give resources	3316	# TODO: for gcfclient pleasure, we should give resources
3176	# that gcfclient doesn't grok a >10000 face index.	3317	# that gcfclient doesn't grok a >10000 face index.
3177	my $res = $facedata->{resource};	3318	my $res = $facedata->{resource};
3178		3319
3179	my $soundconf = delete $res->{"res/sound.conf"};
3180
3181	while (my ($name, $info) = each %$res) {	3320	while (my ($name, $info) = each %$res) {
		3321	if (defined $info->{type}) {
3182	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3322	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3183	my $data;	3323	my $data;
3184		3324
3185	if ($info->{type} & 1) {	3325	if ($info->{type} & 1) {
3186	# prepend meta info	3326	# prepend meta info
3187		3327
3188	my $meta = $enc->encode ({	3328	my $meta = $enc->encode ({
3189	name => $name,	3329	name => $name,
3190	%{ $info->{meta} || {} },	3330	%{ $info->{meta} || {} },
3191	});	3331	});
3192		3332
3193	$data = pack "(w/a*)*", $meta, $info->{data};	3333	$data = pack "(w/a*)*", $meta, $info->{data};
		3334	} else {
		3335	$data = $info->{data};
		3336	}
		3337
		3338	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3339	cf::face::set_type $idx, $info->{type};
3194	} else {	3340	} else {
3195	$data = $info->{data};	3341	$RESOURCE{$name} = $info;
3196	}	3342	}
3197		3343
3198	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3199	cf::face::set_type $idx, $info->{type};
3200
3201	cf::cede_to_tick;	3344	cf::cede_to_tick;
3202	}	3345	}
3203
3204	if ($soundconf) {
3205	$soundconf = $enc->decode (delete $soundconf->{data});
3206
3207	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3208	my $sound = $soundconf->{compat}[$_]
3209	or next;
3210
3211	my $face = cf::face::find "sound/$sound->[1]";
3212	cf::sound::set $sound->[0] => $face;
3213	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3214	}
3215
3216	while (my ($k, $v) = each %{$soundconf->{event}}) {
3217	my $face = cf::face::find "sound/$v";
3218	cf::sound::set $k => $face;
3219	}
3220	}
3221	}	3346	}
		3347
		3348	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3222		3349
3223	1	3350	1
3224	}	3351	}
		3352
		3353	cf::global->attach (on_resource_update => sub {
		3354	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3355	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3356
		3357	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3358	my $sound = $soundconf->{compat}[$_]
		3359	or next;
		3360
		3361	my $face = cf::face::find "sound/$sound->[1]";
		3362	cf::sound::set $sound->[0] => $face;
		3363	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3364	}
		3365
		3366	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3367	my $face = cf::face::find "sound/$v";
		3368	cf::sound::set $k => $face;
		3369	}
		3370	}
		3371	});
3225		3372
3226	register_exticmd fx_want => sub {	3373	register_exticmd fx_want => sub {
3227	my ($ns, $want) = @_;	3374	my ($ns, $want) = @_;
3228		3375
3229	while (my ($k, $v) = each %$want) {	3376	while (my ($k, $v) = each %$want) {
3230	$ns->fx_want ($k, $v);	3377	$ns->fx_want ($k, $v);
3231	}	3378	}
3232	};	3379	};
		3380
		3381	sub load_resource_file($) {
		3382	my $guard = lock_acquire "load_resource_file";
		3383
		3384	my $status = load_resource_file_ $_[0];
		3385	get_slot 0.1, 100;
		3386	cf::arch::commit_load;
		3387
		3388	$status
		3389	}
3233		3390
3234	sub reload_regions {	3391	sub reload_regions {
3235	# HACK to clear player env face cache, we need some signal framework	3392	# HACK to clear player env face cache, we need some signal framework
3236	# for this (global event?)	3393	# for this (global event?)
3237	%ext::player_env::MUSIC_FACE_CACHE = ();	3394	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3251	}	3408	}
3252		3409
3253	sub reload_archetypes {	3410	sub reload_archetypes {
3254	load_resource_file "$DATADIR/archetypes"	3411	load_resource_file "$DATADIR/archetypes"
3255	or die "unable to load archetypes\n";	3412	or die "unable to load archetypes\n";
3256	#d# NEED to laod twice to resolve forward references
3257	# this really needs to be done in an extra post-pass
3258	# (which needs to be synchronous, so solve it differently)
3259	load_resource_file "$DATADIR/archetypes"
3260	or die "unable to load archetypes\n";
3261	}	3413	}
3262		3414
3263	sub reload_treasures {	3415	sub reload_treasures {
3264	load_resource_file "$DATADIR/treasures"	3416	load_resource_file "$DATADIR/treasures"
3265	or die "unable to load treasurelists\n";	3417	or die "unable to load treasurelists\n";
3266	}	3418	}
3267		3419
3268	sub reload_resources {	3420	sub reload_resources {
3269	warn "reloading resource files...\n";	3421	warn "reloading resource files...\n";
3270		3422
		3423	reload_facedata;
		3424	reload_archetypes;
3271	reload_regions;	3425	reload_regions;
3272	reload_facedata;
3273	#reload_archetypes;#d#
3274	reload_archetypes;
3275	reload_treasures;	3426	reload_treasures;
3276		3427
3277	warn "finished reloading resource files\n";	3428	warn "finished reloading resource files\n";
3278	}	3429	}
3279		3430
3280	sub init {
3281	reload_resources;
3282	}
3283
3284	sub reload_config {	3431	sub reload_config {
		3432	warn "reloading config file...\n";
		3433
3285	open my $fh, "<:utf8", "$CONFDIR/config"	3434	open my $fh, "<:utf8", "$CONFDIR/config"
3286	or return;	3435	or return;
3287		3436
3288	local $/;	3437	local $/;
3289	*CFG = YAML::Syck::Load <$fh>;	3438	*CFG = YAML::XS::Load scalar <$fh>;
3290		3439
3291	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3440	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3292		3441
3293	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3442	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3294	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3443	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3298	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3447	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
3299	and die "WARNING: m(un)lockall failed: $!\n";	3448	and die "WARNING: m(un)lockall failed: $!\n";
3300	};	3449	};
3301	warn $@ if $@;	3450	warn $@ if $@;
3302	}	3451	}
		3452
		3453	warn "finished reloading resource files\n";
		3454	}
		3455
		3456	sub pidfile() {
		3457	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3458	or die "$PIDFILE: $!";
		3459	flock $fh, &Fcntl::LOCK_EX
		3460	or die "$PIDFILE: flock: $!";
		3461	$fh
		3462	}
		3463
		3464	# make sure only one server instance is running at any one time
		3465	sub atomic {
		3466	my $fh = pidfile;
		3467
		3468	my $pid = <$fh>;
		3469	kill 9, $pid if $pid > 0;
		3470
		3471	seek $fh, 0, 0;
		3472	print $fh $$;
		3473	}
		3474
		3475	sub main_loop {
		3476	warn "EV::loop starting\n";
		3477	if (1) {
		3478	EV::loop;
		3479	}
		3480	warn "EV::loop returned\n";
		3481	goto &main_loop unless $REALLY_UNLOOP;
3303	}	3482	}
3304		3483
3305	sub main {	3484	sub main {
		3485	cf::init_globals; # initialise logging
		3486
		3487	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3488	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3489	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3490	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3491
		3492	cf::init_experience;
		3493	cf::init_anim;
		3494	cf::init_attackmess;
		3495	cf::init_dynamic;
		3496
		3497	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3498
3306	# we must not ever block the main coroutine	3499	# we must not ever block the main coroutine
3307	local $Coro::idle = sub {	3500	local $Coro::idle = sub {
3308	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3501	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3309	(async {	3502	(async {
3310	$Coro::current->{desc} = "IDLE BUG HANDLER";	3503	$Coro::current->{desc} = "IDLE BUG HANDLER";
3311	Event::one_event;	3504	EV::loop EV::LOOP_ONESHOT;
3312	})->prio (Coro::PRIO_MAX);	3505	})->prio (Coro::PRIO_MAX);
3313	};	3506	};
3314		3507
		3508	evthread_start IO::AIO::poll_fileno;
		3509
		3510	cf::sync_job {
		3511	reload_resources;
3315	reload_config;	3512	reload_config;
3316	db_init;	3513	db_init;
		3514
		3515	cf::load_settings;
		3516	cf::load_materials;
		3517	cf::init_uuid;
		3518	cf::init_signals;
		3519	cf::init_commands;
		3520	cf::init_skills;
		3521
		3522	cf::init_beforeplay;
		3523
		3524	atomic;
		3525
3317	load_extensions;	3526	load_extensions;
3318		3527
3319	$TICK_WATCHER->start;	3528	utime time, time, $RUNTIMEFILE;
3320	Event::loop;	3529
		3530	# no (long-running) fork's whatsoever before this point(!)
		3531	use POSIX ();
		3532	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3533
		3534	(pop @POST_INIT)->(0) while @POST_INIT;
		3535	};
		3536
		3537	main_loop;
3321	}	3538	}
3322		3539
3323	#############################################################################	3540	#############################################################################
3324	# initialisation and cleanup	3541	# initialisation and cleanup
3325		3542
3326	# install some emergency cleanup handlers	3543	# install some emergency cleanup handlers
3327	BEGIN {	3544	BEGIN {
		3545	our %SIGWATCHER = ();
3328	for my $signal (qw(INT HUP TERM)) {	3546	for my $signal (qw(INT HUP TERM)) {
3329	Event->signal (	3547	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3330	reentrant => 0,
3331	data => WF_AUTOCANCEL,
3332	signal => $signal,
3333	prio => 0,
3334	cb => sub {
3335	cf::cleanup "SIG$signal";	3548	cf::cleanup "SIG$signal";
3336	},
3337	);	3549	};
3338	}	3550	}
3339	}	3551	}
3340		3552
3341	sub write_runtime {	3553	sub write_runtime_sync {
3342	my $runtime = "$LOCALDIR/runtime";
3343
3344	# first touch the runtime file to show we are still running:	3554	# first touch the runtime file to show we are still running:
3345	# the fsync below can take a very very long time.	3555	# the fsync below can take a very very long time.
3346		3556
3347	IO::AIO::aio_utime $runtime, undef, undef;	3557	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3348		3558
3349	my $guard = cf::lock_acquire "write_runtime";	3559	my $guard = cf::lock_acquire "write_runtime";
3350		3560
3351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3561	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3352	or return;	3562	or return;
3353		3563
3354	my $value = $cf::RUNTIME + 90 + 10;	3564	my $value = $cf::RUNTIME + 90 + 10;
3355	# 10 is the runtime save interval, for a monotonic clock	3565	# 10 is the runtime save interval, for a monotonic clock
3356	# 60 allows for the watchdog to kill the server.	3566	# 60 allows for the watchdog to kill the server.
…		…
3366	aio_utime $fh, undef, undef;	3576	aio_utime $fh, undef, undef;
3367		3577
3368	close $fh	3578	close $fh
3369	or return;	3579	or return;
3370		3580
3371	aio_rename "$runtime~", $runtime	3581	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3372	and return;	3582	and return;
3373		3583
3374	warn "runtime file written.\n";	3584	warn "runtime file written.\n";
3375		3585
3376	1	3586	1
		3587	}
		3588
		3589	our $uuid_lock;
		3590	our $uuid_skip;
		3591
		3592	sub write_uuid_sync($) {
		3593	$uuid_skip ||= $_[0];
		3594
		3595	return if $uuid_lock;
		3596	local $uuid_lock = 1;
		3597
		3598	my $uuid = "$LOCALDIR/uuid";
		3599
		3600	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3601	or return;
		3602
		3603	my $value = uuid_seq uuid_cur;
		3604
		3605	unless ($value) {
		3606	warn "cowardly refusing to write zero uuid value!\n";
		3607	return;
		3608	}
		3609
		3610	my $value = uuid_str $value + $uuid_skip;
		3611	$uuid_skip = 0;
		3612
		3613	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3614	and return;
		3615
		3616	# always fsync - this file is important
		3617	aio_fsync $fh
		3618	and return;
		3619
		3620	close $fh
		3621	or return;
		3622
		3623	aio_rename "$uuid~", $uuid
		3624	and return;
		3625
		3626	warn "uuid file written ($value).\n";
		3627
		3628	1
		3629
		3630	}
		3631
		3632	sub write_uuid($$) {
		3633	my ($skip, $sync) = @_;
		3634
		3635	$sync ? write_uuid_sync $skip
		3636	: async { write_uuid_sync $skip };
3377	}	3637	}
3378		3638
3379	sub emergency_save() {	3639	sub emergency_save() {
3380	my $freeze_guard = cf::freeze_mainloop;	3640	my $freeze_guard = cf::freeze_mainloop;
3381		3641
3382	warn "enter emergency perl save\n";	3642	warn "emergency_perl_save: enter\n";
3383		3643
3384	cf::sync_job {	3644	cf::sync_job {
		3645	# this is a trade-off: we want to be very quick here, so
		3646	# save all maps without fsync, and later call a global sync
		3647	# (which in turn might be very very slow)
		3648	local $USE_FSYNC = 0;
		3649
3385	# use a peculiar iteration method to avoid tripping on perl	3650	# use a peculiar iteration method to avoid tripping on perl
3386	# refcount bugs in for. also avoids problems with players	3651	# refcount bugs in for. also avoids problems with players
3387	# and maps saved/destroyed asynchronously.	3652	# and maps saved/destroyed asynchronously.
3388	warn "begin emergency player save\n";	3653	warn "emergency_perl_save: begin player save\n";
3389	for my $login (keys %cf::PLAYER) {	3654	for my $login (keys %cf::PLAYER) {
3390	my $pl = $cf::PLAYER{$login} or next;	3655	my $pl = $cf::PLAYER{$login} or next;
3391	$pl->valid or next;	3656	$pl->valid or next;
3392	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3657	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3393	$pl->save;	3658	$pl->save;
3394	}	3659	}
3395	warn "end emergency player save\n";	3660	warn "emergency_perl_save: end player save\n";
3396		3661
3397	warn "begin emergency map save\n";	3662	warn "emergency_perl_save: begin map save\n";
3398	for my $path (keys %cf::MAP) {	3663	for my $path (keys %cf::MAP) {
3399	my $map = $cf::MAP{$path} or next;	3664	my $map = $cf::MAP{$path} or next;
3400	$map->valid or next;	3665	$map->valid or next;
3401	$map->save;	3666	$map->save;
3402	}	3667	}
3403	warn "end emergency map save\n";	3668	warn "emergency_perl_save: end map save\n";
3404		3669
3405	warn "begin emergency database checkpoint\n";	3670	warn "emergency_perl_save: begin database checkpoint\n";
3406	BDB::db_env_txn_checkpoint $DB_ENV;	3671	BDB::db_env_txn_checkpoint $DB_ENV;
3407	warn "end emergency database checkpoint\n";	3672	warn "emergency_perl_save: end database checkpoint\n";
		3673
		3674	warn "emergency_perl_save: begin write uuid\n";
		3675	write_uuid_sync 1;
		3676	warn "emergency_perl_save: end write uuid\n";
3408	};	3677	};
3409		3678
		3679	warn "emergency_perl_save: starting sync()\n";
		3680	IO::AIO::aio_sync sub {
		3681	warn "emergency_perl_save: finished sync()\n";
		3682	};
		3683
3410	warn "leave emergency perl save\n";	3684	warn "emergency_perl_save: leave\n";
3411	}	3685	}
3412		3686
3413	sub post_cleanup {	3687	sub post_cleanup {
3414	my ($make_core) = @_;	3688	my ($make_core) = @_;
3415		3689
3416	warn Carp::longmess "post_cleanup backtrace"	3690	warn Carp::longmess "post_cleanup backtrace"
3417	if $make_core;	3691	if $make_core;
		3692
		3693	my $fh = pidfile;
		3694	unlink $PIDFILE if <$fh> == $$;
		3695	}
		3696
		3697	# a safer delete_package, copied from Symbol
		3698	sub clear_package($) {
		3699	my $pkg = shift;
		3700
		3701	# expand to full symbol table name if needed
		3702	unless ($pkg =~ /^main::.*::$/) {
		3703	$pkg = "main$pkg" if $pkg =~ /^::/;
		3704	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3705	$pkg .= '::' unless $pkg =~ /::$/;
		3706	}
		3707
		3708	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3709	my $stem_symtab = *{$stem}{HASH};
		3710
		3711	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3712	or return;
		3713
		3714	# clear all symbols
		3715	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3716	for my $name (keys %$leaf_symtab) {
		3717	_gv_clear *{"$pkg$name"};
		3718	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3719	}
		3720	warn "cleared package $pkg\n";#d#
3418	}	3721	}
3419		3722
3420	sub do_reload_perl() {	3723	sub do_reload_perl() {
3421	# can/must only be called in main	3724	# can/must only be called in main
3422	if ($Coro::current != $Coro::main) {	3725	if ($Coro::current != $Coro::main) {
3423	warn "can only reload from main coroutine";	3726	warn "can only reload from main coroutine";
3424	return;	3727	return;
3425	}	3728	}
3426		3729
		3730	return if $RELOAD++;
		3731
		3732	my $t1 = EV::time;
		3733
		3734	while ($RELOAD) {
3427	warn "reloading...";	3735	warn "reloading...";
3428		3736
3429	warn "entering sync_job";	3737	warn "entering sync_job";
3430		3738
3431	cf::sync_job {	3739	cf::sync_job {
3432	cf::write_runtime; # external watchdog should not bark	3740	cf::write_runtime_sync; # external watchdog should not bark
3433	cf::emergency_save;	3741	cf::emergency_save;
3434	cf::write_runtime; # external watchdog should not bark	3742	cf::write_runtime_sync; # external watchdog should not bark
3435		3743
3436	warn "syncing database to disk";	3744	warn "syncing database to disk";
3437	BDB::db_env_txn_checkpoint $DB_ENV;	3745	BDB::db_env_txn_checkpoint $DB_ENV;
3438		3746
3439	# if anything goes wrong in here, we should simply crash as we already saved	3747	# if anything goes wrong in here, we should simply crash as we already saved
3440		3748
3441	warn "cancelling all WF_AUTOCANCEL watchers";
3442	for (Event::all_watchers) {
3443	$_->cancel if $_->data & WF_AUTOCANCEL;
3444	}
3445
3446	warn "flushing outstanding aio requests";	3749	warn "flushing outstanding aio requests";
3447	for (;;) {
3448	BDB::flush;
3449	IO::AIO::flush;
3450	Coro::cede_notself;
3451	last unless IO::AIO::nreqs || BDB::nreqs;	3750	while (IO::AIO::nreqs || BDB::nreqs) {
3452	warn "iterate...";	3751	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3453	}
3454
3455	++$RELOAD;
3456
3457	warn "cancelling all extension coros";
3458	$_->cancel for values %EXT_CORO;
3459	%EXT_CORO = ();
3460
3461	warn "removing commands";
3462	%COMMAND = ();
3463
3464	warn "removing ext/exti commands";
3465	%EXTCMD = ();
3466	%EXTICMD = ();
3467
3468	warn "unloading/nuking all extensions";
3469	for my $pkg (@EXTS) {
3470	warn "... unloading $pkg";
3471
3472	if (my $cb = $pkg->can ("unload")) {
3473	eval {
3474	$cb->($pkg);
3475	1
3476	} or warn "$pkg unloaded, but with errors: $@";
3477	}	3752	}
3478		3753
3479	warn "... nuking $pkg";	3754	warn "cancelling all extension coros";
3480	Symbol::delete_package $pkg;	3755	$_->cancel for values %EXT_CORO;
3481	}	3756	%EXT_CORO = ();
3482		3757
3483	warn "unloading all perl modules loaded from $LIBDIR";	3758	warn "removing commands";
3484	while (my ($k, $v) = each %INC) {	3759	%COMMAND = ();
3485	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3486		3760
		3761	warn "removing ext/exti commands";
		3762	%EXTCMD = ();
		3763	%EXTICMD = ();
		3764
		3765	warn "unloading/nuking all extensions";
		3766	for my $pkg (@EXTS) {
3487	warn "... unloading $k";	3767	warn "... unloading $pkg";
3488	delete $INC{$k};
3489		3768
3490	$k =~ s/\.pm$//;
3491	$k =~ s/\//::/g;
3492
3493	if (my $cb = $k->can ("unload_module")) {	3769	if (my $cb = $pkg->can ("unload")) {
		3770	eval {
3494	$cb->();	3771	$cb->($pkg);
		3772	1
		3773	} or warn "$pkg unloaded, but with errors: $@";
		3774	}
		3775
		3776	warn "... clearing $pkg";
		3777	clear_package $pkg;
3495	}	3778	}
3496		3779
3497	Symbol::delete_package $k;	3780	warn "unloading all perl modules loaded from $LIBDIR";
		3781	while (my ($k, $v) = each %INC) {
		3782	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3783
		3784	warn "... unloading $k";
		3785	delete $INC{$k};
		3786
		3787	$k =~ s/\.pm$//;
		3788	$k =~ s/\//::/g;
		3789
		3790	if (my $cb = $k->can ("unload_module")) {
		3791	$cb->();
		3792	}
		3793
		3794	clear_package $k;
3498	}	3795	}
3499		3796
3500	warn "getting rid of safe::, as good as possible";	3797	warn "getting rid of safe::, as good as possible";
3501	Symbol::delete_package "safe::$_"	3798	clear_package "safe::$_"
3502	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3799	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3503		3800
3504	warn "unloading cf.pm \"a bit\"";	3801	warn "unloading cf.pm \"a bit\"";
3505	delete $INC{"cf.pm"};	3802	delete $INC{"cf.pm"};
3506	delete $INC{"cf/pod.pm"};	3803	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3507		3804
3508	# don't, removes xs symbols, too,	3805	# don't, removes xs symbols, too,
3509	# and global variables created in xs	3806	# and global variables created in xs
3510	#Symbol::delete_package __PACKAGE__;	3807	#clear_package __PACKAGE__;
3511		3808
3512	warn "unload completed, starting to reload now";	3809	warn "unload completed, starting to reload now";
3513		3810
3514	warn "reloading cf.pm";	3811	warn "reloading cf.pm";
3515	require cf;	3812	require cf;
3516	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3813	cf::_connect_to_perl_1;
3517		3814
3518	warn "loading config and database again";	3815	warn "loading config and database again";
3519	cf::reload_config;	3816	cf::reload_config;
3520		3817
3521	warn "loading extensions";	3818	warn "loading extensions";
3522	cf::load_extensions;	3819	cf::load_extensions;
3523		3820
		3821	if ($REATTACH_ON_RELOAD) {
3524	warn "reattaching attachments to objects/players";	3822	warn "reattaching attachments to objects/players";
3525	_global_reattach; # objects, sockets	3823	_global_reattach; # objects, sockets
3526	warn "reattaching attachments to maps";	3824	warn "reattaching attachments to maps";
3527	reattach $_ for values %MAP;	3825	reattach $_ for values %MAP;
3528	warn "reattaching attachments to players";	3826	warn "reattaching attachments to players";
3529	reattach $_ for values %PLAYER;	3827	reattach $_ for values %PLAYER;
		3828	}
3530		3829
		3830	warn "running post_init jobs";
		3831	(pop @POST_INIT)->(1) while @POST_INIT;
		3832
3531	warn "leaving sync_job";	3833	warn "leaving sync_job";
3532		3834
3533	1	3835	1
3534	} or do {	3836	} or do {
3535	warn $@;	3837	warn $@;
3536	warn "error while reloading, exiting.";	3838	cf::cleanup "error while reloading, exiting.";
3537	exit 1;
3538	};	3839	};
3539		3840
3540	warn "reloaded";	3841	warn "reloaded";
		3842	--$RELOAD;
		3843	}
		3844
		3845	$t1 = EV::time - $t1;
		3846	warn "reload completed in ${t1}s\n";
3541	};	3847	};
3542		3848
3543	our $RELOAD_WATCHER; # used only during reload	3849	our $RELOAD_WATCHER; # used only during reload
3544		3850
3545	sub reload_perl() {	3851	sub reload_perl() {
3546	# doing reload synchronously and two reloads happen back-to-back,	3852	# doing reload synchronously and two reloads happen back-to-back,
3547	# coro crashes during coro_state_free->destroy here.	3853	# coro crashes during coro_state_free->destroy here.
3548		3854
3549	$RELOAD_WATCHER ||= Event->timer (	3855	$RELOAD_WATCHER ||= cf::async {
3550	reentrant => 0,	3856	Coro::AIO::aio_wait cache_extensions;
3551	after => 0,	3857
3552	data => WF_AUTOCANCEL,	3858	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3553	cb => sub {
3554	do_reload_perl;	3859	do_reload_perl;
3555	undef $RELOAD_WATCHER;	3860	undef $RELOAD_WATCHER;
3556	},	3861	};
3557	);	3862	};
3558	}	3863	}
3559		3864
3560	register_command "reload" => sub {	3865	register_command "reload" => sub {
3561	my ($who, $arg) = @_;	3866	my ($who, $arg) = @_;
3562		3867
…		…
3575		3880
3576	our @WAIT_FOR_TICK;	3881	our @WAIT_FOR_TICK;
3577	our @WAIT_FOR_TICK_BEGIN;	3882	our @WAIT_FOR_TICK_BEGIN;
3578		3883
3579	sub wait_for_tick {	3884	sub wait_for_tick {
3580	return unless $TICK_WATCHER->is_active;
3581	return if $Coro::current == $Coro::main;	3885	return if tick_inhibit || $Coro::current == $Coro::main;
3582		3886
3583	my $signal = new Coro::Signal;	3887	my $signal = new Coro::Signal;
3584	push @WAIT_FOR_TICK, $signal;	3888	push @WAIT_FOR_TICK, $signal;
3585	$signal->wait;	3889	$signal->wait;
3586	}	3890	}
3587		3891
3588	sub wait_for_tick_begin {	3892	sub wait_for_tick_begin {
3589	return unless $TICK_WATCHER->is_active;
3590	return if $Coro::current == $Coro::main;	3893	return if tick_inhibit || $Coro::current == $Coro::main;
3591		3894
3592	my $signal = new Coro::Signal;	3895	my $signal = new Coro::Signal;
3593	push @WAIT_FOR_TICK_BEGIN, $signal;	3896	push @WAIT_FOR_TICK_BEGIN, $signal;
3594	$signal->wait;	3897	$signal->wait;
3595	}	3898	}
3596		3899
3597	$TICK_WATCHER = Event->timer (	3900	sub tick {
3598	reentrant => 0,
3599	parked => 1,
3600	prio => 0,
3601	at => $NEXT_TICK || $TICK,
3602	data => WF_AUTOCANCEL,
3603	cb => sub {
3604	if ($Coro::current != $Coro::main) {	3901	if ($Coro::current != $Coro::main) {
3605	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3902	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3606	unless ++$bug_warning > 10;	3903	unless ++$bug_warning > 10;
3607	return;	3904	return;
3608	}	3905	}
3609		3906
3610	$NOW = $tick_start = Event::time;
3611
3612	cf::server_tick; # one server iteration	3907	cf::server_tick; # one server iteration
3613		3908
3614	$RUNTIME += $TICK;
3615	$NEXT_TICK += $TICK;
3616
3617	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3909	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3618	$NEXT_RUNTIME_WRITE = $NOW + 10;	3910	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3619	Coro::async_pool {	3911	Coro::async_pool {
3620	$Coro::current->{desc} = "runtime saver";	3912	$Coro::current->{desc} = "runtime saver";
3621	write_runtime	3913	write_runtime_sync
3622	or warn "ERROR: unable to write runtime file: $!";	3914	or warn "ERROR: unable to write runtime file: $!";
3623	};
3624	}	3915	};
		3916	}
3625		3917
3626	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3918	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3627	$sig->send;	3919	$sig->send;
3628	}	3920	}
3629	while (my $sig = shift @WAIT_FOR_TICK) {	3921	while (my $sig = shift @WAIT_FOR_TICK) {
3630	$sig->send;	3922	$sig->send;
3631	}	3923	}
3632		3924
3633	$NOW = Event::time;	3925	$LOAD = ($NOW - $TICK_START) / $TICK;
3634
3635	# if we are delayed by four ticks or more, skip them all
3636	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3637
3638	$TICK_WATCHER->at ($NEXT_TICK);
3639	$TICK_WATCHER->start;
3640
3641	$LOAD = ($NOW - $tick_start) / $TICK;
3642	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3926	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3643		3927
3644	_post_tick;	3928	if (0) {
		3929	if ($NEXT_TICK) {
		3930	my $jitter = $TICK_START - $NEXT_TICK;
		3931	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3932	warn "jitter $JITTER\n";#d#
		3933	}
3645	},	3934	}
3646	);	3935	}
3647		3936
3648	{	3937	{
		3938	# configure BDB
		3939
3649	BDB::min_parallel 8;	3940	BDB::min_parallel 8;
3650	BDB::max_poll_time $TICK * 0.1;	3941	BDB::max_poll_reqs $TICK * 0.1;
3651	$BDB_POLL_WATCHER = Event->io (	3942	$AnyEvent::BDB::WATCHER->priority (1);
3652	reentrant => 0,
3653	fd => BDB::poll_fileno,
3654	poll => 'r',
3655	prio => 0,
3656	data => WF_AUTOCANCEL,
3657	cb => \&BDB::poll_cb,
3658	);
3659
3660	BDB::set_sync_prepare {
3661	my $status;
3662	my $current = $Coro::current;
3663	(
3664	sub {
3665	$status = $!;
3666	$current->ready; undef $current;
3667	},
3668	sub {
3669	Coro::schedule while defined $current;
3670	$! = $status;
3671	},
3672	)
3673	};
3674		3943
3675	unless ($DB_ENV) {	3944	unless ($DB_ENV) {
3676	$DB_ENV = BDB::db_env_create;	3945	$DB_ENV = BDB::db_env_create;
3677	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	3946	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3678	| BDB::LOG_AUTOREMOVE, 1);	3947	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3948	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3679	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	3949	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3680	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	3950	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3681		3951
3682	cf::sync_job {	3952	cf::sync_job {
3683	eval {	3953	eval {
…		…
3693		3963
3694	cf::cleanup "db_env_open(db): $@" if $@;	3964	cf::cleanup "db_env_open(db): $@" if $@;
3695	};	3965	};
3696	}	3966	}
3697		3967
3698	$BDB_DEADLOCK_WATCHER = Event->timer (	3968	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3699	after => 3,
3700	interval => 1,
3701	hard => 1,
3702	prio => 0,
3703	data => WF_AUTOCANCEL,
3704	cb => sub {
3705	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };	3969	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3706	},
3707	);	3970	};
3708	$BDB_CHECKPOINT_WATCHER = Event->timer (	3971	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3709	after => 11,
3710	interval => 60,
3711	hard => 1,
3712	prio => 0,
3713	data => WF_AUTOCANCEL,
3714	cb => sub {
3715	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	3972	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3716	},
3717	);	3973	};
3718	$BDB_TRICKLE_WATCHER = Event->timer (	3974	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3719	after => 5,
3720	interval => 10,
3721	hard => 1,
3722	prio => 0,
3723	data => WF_AUTOCANCEL,
3724	cb => sub {
3725	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	3975	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3726	},
3727	);	3976	};
3728	}	3977	}
3729		3978
3730	{	3979	{
		3980	# configure IO::AIO
		3981
3731	IO::AIO::min_parallel 8;	3982	IO::AIO::min_parallel 8;
3732
3733	undef $Coro::AIO::WATCHER;
3734	IO::AIO::max_poll_time $TICK * 0.1;	3983	IO::AIO::max_poll_time $TICK * 0.1;
3735	$AIO_POLL_WATCHER = Event->io (	3984	undef $AnyEvent::AIO::WATCHER;
3736	reentrant => 0,
3737	data => WF_AUTOCANCEL,
3738	fd => IO::AIO::poll_fileno,
3739	poll => 'r',
3740	prio => 0,
3741	cb => \&IO::AIO::poll_cb,
3742	);
3743	}	3985	}
3744		3986
3745	my $_log_backtrace;	3987	my $_log_backtrace;
3746		3988
3747	sub _log_backtrace {	3989	sub _log_backtrace {
…		…
3750	$msg =~ s/\n//;	3992	$msg =~ s/\n//;
3751		3993
3752	# limit the # of concurrent backtraces	3994	# limit the # of concurrent backtraces
3753	if ($_log_backtrace < 2) {	3995	if ($_log_backtrace < 2) {
3754	++$_log_backtrace;	3996	++$_log_backtrace;
		3997	my $perl_bt = Carp::longmess $msg;
3755	async {	3998	async {
3756	$Coro::current->{desc} = "abt $msg";	3999	$Coro::current->{desc} = "abt $msg";
3757		4000
3758	my @bt = fork_call {	4001	my @bt = fork_call {
3759	@addr = map { sprintf "%x", $_ } @addr;	4002	@addr = map { sprintf "%x", $_ } @addr;
…		…
3770	}	4013	}
3771		4014
3772	@funcs	4015	@funcs
3773	};	4016	};
3774		4017
3775	LOG llevInfo, "[ABT] $msg\n";	4018	LOG llevInfo, "[ABT] $perl_bt\n";
		4019	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3776	LOG llevInfo, "[ABT] $_\n" for @bt;	4020	LOG llevInfo, "[ABT] $_\n" for @bt;
3777	--$_log_backtrace;	4021	--$_log_backtrace;
3778	};	4022	};
3779	} else {	4023	} else {
3780	LOG llevInfo, "[ABT] $msg\n";	4024	LOG llevInfo, "[ABT] $msg\n";
3781	LOG llevInfo, "[ABT] [suppressed]\n";	4025	LOG llevInfo, "[ABT] [suppressed]\n";
3782	}	4026	}
3783	}	4027	}
3784		4028
3785	# load additional modules	4029	# load additional modules
3786	use cf::pod;	4030	require "cf/$_.pm" for @EXTRA_MODULES;
		4031	cf::_connect_to_perl_2;
3787		4032
3788	END { cf::emergency_save }	4033	END { cf::emergency_save }
3789		4034
3790	1	4035	1
3791		4036

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