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Revision 1.385 by root, Fri Oct 12 19:13:26 2007 UTC vs.
Revision 1.489 by root, Fri Oct 23 03:08:35 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
…		…
444	warn $@ if $@;	516	warn $@ if $@;
445	undef $busy;	517	undef $busy;
446	})->prio (Coro::PRIO_MAX);	518	})->prio (Coro::PRIO_MAX);
447		519
448	while ($busy) {	520	while ($busy) {
449	Coro::cede or Event::one_event;	521	if (Coro::nready) {
		522	Coro::cede_notself;
		523	} else {
		524	EV::loop EV::LOOP_ONESHOT;
450	}	525	}
		526	}
451		527
452	$time = Event::time - $time;	528	my $time = EV::time - $time;
453		529
454	LOG llevError | logBacktrace, Carp::longmess "long sync job"
455	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
456
457	$tick_start += $time; # do not account sync jobs to server load	530	$TICK_START += $time; # do not account sync jobs to server load
458		531
459	wantarray ? @res : $res[0]	532	wantarray ? @res : $res[0]
460	} else {	533	} else {
461	# we are in another coroutine, how wonderful, everything just works	534	# we are in another coroutine, how wonderful, everything just works
462		535
…		…
487	=item fork_call { }, $args	560	=item fork_call { }, $args
488		561
489	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
490	process, returning the results. Everything must be serialisable with	563	process, returning the results. Everything must be serialisable with
491	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
492	never block itself or use any form of Event handling.	565	never block itself or use any form of event handling.
493		566
494	=cut	567	=cut
495		568
496	sub fork_call(&@) {	569	sub fork_call(&@) {
497	my ($cb, @args) = @_;	570	my ($cb, @args) = @_;
…		…
504	reset_signals;	577	reset_signals;
505	&$cb	578	&$cb
506	}, @args;	579	}, @args;
507		580
508	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
509	}	609	}
510		610
511	=item $value = cf::db_get $family => $key	611	=item $value = cf::db_get $family => $key
512		612
513	Returns a single value from the environment database.	613	Returns a single value from the environment database.
…		…
652		752
653	#############################################################################	753	#############################################################################
654		754
655	=head2 ATTACHABLE OBJECTS	755	=head2 ATTACHABLE OBJECTS
656		756
657	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
658	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")
659	to it. All such attachable objects support the following methods.	759	to it. All such attachable objects support the following methods.
660		760
661	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>
662	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
663	Crossfire TRT).	763	Deliantra).
664		764
665	=over 4	765	=over 4
666		766
667	=item $attachable->attach ($attachment, key => $value...)	767	=item $attachable->attach ($attachment, key => $value...)
668		768
…		…
712	=item cf::CLASS::attachment $name, ...	812	=item cf::CLASS::attachment $name, ...
713		813
714	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
715	given CLASS can refer to this attachment.	815	given CLASS can refer to this attachment.
716		816
717	Some classes such as crossfire maps and objects can specify attachments	817	Some classes such as deliantra maps and objects can specify attachments
718	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.
719		819
720	These calls expect any number of the following handler/hook descriptions:	820	These calls expect any number of the following handler/hook descriptions:
721		821
722	=over 4	822	=over 4
…		…
950	}	1050	}
951		1051
952	0	1052	0
953	}	1053	}
954		1054
955	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1055	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
956		1056
957	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1057	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
958		1058
959	Generate an object-specific event with the given arguments.	1059	Generate an object-specific event with the given arguments.
960		1060
…		…
966		1066
967	=cut	1067	=cut
968		1068
969	#############################################################################	1069	#############################################################################
970	# object support	1070	# object support
971	#
972		1071
		1072	sub _object_equal($$);
		1073	sub _object_equal($$) {
		1074	my ($a, $b) = @_;
		1075
		1076	return 0 unless (ref $a) eq (ref $b);
		1077
		1078	if ("HASH" eq ref $a) {
		1079	my @ka = keys %$a;
		1080	my @kb = keys %$b;
		1081
		1082	return 0 if @ka != @kb;
		1083
		1084	for (0 .. $#ka) {
		1085	return 0 unless $ka[$_] eq $kb[$_];
		1086	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1087	}
		1088
		1089	} elsif ("ARRAY" eq ref $a) {
		1090
		1091	return 0 if @$a != @$b;
		1092
		1093	for (0 .. $#$a) {
		1094	return 0 unless _object_equal $a->[$_], $b->[$_];
		1095	}
		1096
		1097	} elsif ($a ne $b) {
		1098	return 0;
		1099	}
		1100
		1101	1
		1102	}
		1103
		1104	our $SLOW_MERGES;#d#
973	sub _can_merge {	1105	sub _can_merge {
974	my ($ob1, $ob2) = @_;	1106	my ($ob1, $ob2) = @_;
975		1107
976	return 1;#d#	1108	++$SLOW_MERGES;#d#
977		1109
978	#todo#d# kill yourself and do some recursive checking manually without storable	1110	# we do the slow way here
979	sync_job {	1111	return _object_equal $ob1, $ob2
980	my $guard = Coro::Storable::guard;
981	local $Storable::canonical = 1;
982	my $fob1 = Storable::freeze $ob1;
983	my $fob2 = Storable::freeze $ob2;
984	$fob1 eq $fob2
985	}
986	}	1112	}
987		1113
988	sub reattach {	1114	sub reattach {
989	# basically do the same as instantiate, without calling instantiate	1115	# basically do the same as instantiate, without calling instantiate
990	my ($obj) = @_;	1116	my ($obj) = @_;
991		1117
		1118	# no longer needed after getting rid of delete_package?
992	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
993		1120
994	my $registry = $obj->registry;	1121	my $registry = $obj->registry;
995		1122
996	@$registry = ();	1123	@$registry = ();
997		1124
…		…
1012	cf::attachable->attach (	1139	cf::attachable->attach (
1013	prio => -1000000,	1140	prio => -1000000,
1014	on_instantiate => sub {	1141	on_instantiate => sub {
1015	my ($obj, $data) = @_;	1142	my ($obj, $data) = @_;
1016		1143
1017	$data = from_json $data;	1144	$data = decode_json $data;
1018		1145
1019	for (@$data) {	1146	for (@$data) {
1020	my ($name, $args) = @$_;	1147	my ($name, $args) = @$_;
1021		1148
1022	$obj->attach ($name, %{$args || {} });	1149	$obj->attach ($name, %{$args || {} });
…		…
1043	utf8::decode (my $decname = $filename);	1170	utf8::decode (my $decname = $filename);
1044	warn sprintf "saving %s (%d,%d)\n",	1171	warn sprintf "saving %s (%d,%d)\n",
1045	$decname, length $$rdata, scalar @$objs;	1172	$decname, length $$rdata, scalar @$objs;
1046		1173
1047	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1174	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1048	chmod SAVE_MODE, $fh;	1175	aio_chmod $fh, SAVE_MODE;
1049	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1176	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1050	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	}
1051	close $fh;	1181	aio_close $fh;
1052		1182
1053	if (@$objs) {	1183	if (@$objs) {
1054	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) {
1055	chmod SAVE_MODE, $fh;	1185	aio_chmod $fh, SAVE_MODE;
1056	my $data = Coro::Storable::blocking_nfreeze { version => 1, objs => $objs };	1186	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1057	aio_write $fh, 0, (length $data), $data, 0;	1187	aio_write $fh, 0, (length $data), $data, 0;
1058	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	}
1059	close $fh;	1192	aio_close $fh;
1060	aio_rename "$filename.pst~", "$filename.pst";	1193	aio_rename "$filename.pst~", "$filename.pst";
1061	}	1194	}
1062	} else {	1195	} else {
1063	aio_unlink "$filename.pst";	1196	aio_unlink "$filename.pst";
1064	}	1197	}
1065		1198
1066	aio_rename "$filename~", $filename;	1199	aio_rename "$filename~", $filename;
		1200
		1201	$filename =~ s%/[^/]+$%%;
		1202	aio_pathsync $filename if $cf::USE_FSYNC;
1067	} else {	1203	} else {
1068	warn "FATAL: $filename~: $!\n";	1204	warn "unable to save objects: $filename~: $!\n";
1069	}	1205	}
1070	} else {	1206	} else {
1071	aio_unlink $filename;	1207	aio_unlink $filename;
1072	aio_unlink "$filename.pst";	1208	aio_unlink "$filename.pst";
1073	}	1209	}
…		…
1092		1228
1093	unless (aio_stat "$filename.pst") {	1229	unless (aio_stat "$filename.pst") {
1094	(aio_load "$filename.pst", $av) >= 0	1230	(aio_load "$filename.pst", $av) >= 0
1095	or return;	1231	or return;
1096		1232
1097	my $st = eval { Coro::Storable::thaw $av }	1233	my $st = eval { Coro::Storable::thaw $av };
1098	|| eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
1099	$av = $st->{objs};	1234	$av = $st->{objs};
1100	}	1235	}
1101		1236
1102	utf8::decode (my $decname = $filename);	1237	utf8::decode (my $decname = $filename);
1103	warn sprintf "loading %s (%d,%d)\n",	1238	warn sprintf "loading %s (%d,%d)\n",
…		…
1165	my ($name, $cb) = @_;	1300	my ($name, $cb) = @_;
1166		1301
1167	$EXTICMD{$name} = $cb;	1302	$EXTICMD{$name} = $cb;
1168	}	1303	}
1169		1304
		1305	use File::Glob ();
		1306
1170	cf::player->attach (	1307	cf::player->attach (
1171	on_command => sub {	1308	on_command => sub {
1172	my ($pl, $name, $params) = @_;	1309	my ($pl, $name, $params) = @_;
1173		1310
1174	my $cb = $COMMAND{$name}	1311	my $cb = $COMMAND{$name}
…		…
1206		1343
1207	cf::override;	1344	cf::override;
1208	},	1345	},
1209	);	1346	);
1210		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
1211	sub load_extensions {	1361	sub load_extensions {
1212	cf::sync_job {	1362	cf::sync_job {
1213	my %todo;	1363	my %todo;
1214		1364
1215	for my $path (<$LIBDIR/*.ext>) {	1365	for my $path (<$LIBDIR/*.ext>) {
…		…
1234		1384
1235	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1385	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1236	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1386	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1237		1387
1238	$ext{source} =	1388	$ext{source} =
1239	"package $pkg; use strict; use utf8;\n"	1389	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1240	. "#line 1 \"$path\"\n{\n"	1390	. "#line 1 \"$path\"\n{\n"
1241	. $source	1391	. $source
1242	. "\n};\n1";	1392	. "\n};\n1";
1243		1393
1244	$todo{$base} = \%ext;	1394	$todo{$base} = \%ext;
…		…
1260	my $msg = $@ ? "$v->{path}: $@\n"	1410	my $msg = $@ ? "$v->{path}: $@\n"
1261	: "$v->{base}: extension inactive.\n";	1411	: "$v->{base}: extension inactive.\n";
1262		1412
1263	if (exists $v->{meta}{mandatory}) {	1413	if (exists $v->{meta}{mandatory}) {
1264	warn $msg;	1414	warn $msg;
1265	warn "mandatory extension failed to load, exiting.\n";	1415	cf::cleanup "mandatory extension failed to load, exiting.";
1266	exit 1;
1267	}	1416	}
1268		1417
1269	warn $msg;	1418	warn $msg;
1270	}	1419	}
1271		1420
…		…
1285		1434
1286	=back	1435	=back
1287		1436
1288	=head2 CORE EXTENSIONS	1437	=head2 CORE EXTENSIONS
1289		1438
1290	Functions and methods that extend core crossfire objects.	1439	Functions and methods that extend core deliantra objects.
1291		1440
1292	=cut	1441	=cut
1293		1442
1294	package cf::player;	1443	package cf::player;
1295		1444
…		…
1338		1487
1339	sub exists($) {	1488	sub exists($) {
1340	my ($login) = @_;	1489	my ($login) = @_;
1341		1490
1342	$cf::PLAYER{$login}	1491	$cf::PLAYER{$login}
1343	or cf::sync_job { !aio_stat path $login }	1492	or !aio_stat path $login
1344	}	1493	}
1345		1494
1346	sub find($) {	1495	sub find($) {
1347	return $cf::PLAYER{$_[0]} || do {	1496	return $cf::PLAYER{$_[0]} || do {
1348	my $login = $_[0];	1497	my $login = $_[0];
…		…
1360	my $f = new_from_file cf::object::thawer path $login	1509	my $f = new_from_file cf::object::thawer path $login
1361	or return;	1510	or return;
1362		1511
1363	my $pl = cf::player::load_pl $f	1512	my $pl = cf::player::load_pl $f
1364	or return;	1513	or return;
		1514
1365	local $cf::PLAYER_LOADING{$login} = $pl;	1515	local $cf::PLAYER_LOADING{$login} = $pl;
1366	$f->resolve_delayed_derefs;	1516	$f->resolve_delayed_derefs;
1367	$cf::PLAYER{$login} = $pl	1517	$cf::PLAYER{$login} = $pl
1368	}	1518	}
1369	}	1519	}
…		…
1379		1529
1380	return if $pl->{deny_save};	1530	return if $pl->{deny_save};
1381		1531
1382	aio_mkdir playerdir $pl, 0770;	1532	aio_mkdir playerdir $pl, 0770;
1383	$pl->{last_save} = $cf::RUNTIME;	1533	$pl->{last_save} = $cf::RUNTIME;
		1534
		1535	cf::get_slot 0.01;
1384		1536
1385	$pl->save_pl ($path);	1537	$pl->save_pl ($path);
1386	cf::cede_to_tick;	1538	cf::cede_to_tick;
1387	}	1539	}
1388		1540
…		…
1420	my ($pl) = @_;	1572	my ($pl) = @_;
1421		1573
1422	my $name = $pl->ob->name;	1574	my $name = $pl->ob->name;
1423		1575
1424	$pl->{deny_save} = 1;	1576	$pl->{deny_save} = 1;
1425	$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
1426		1578
1427	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1579	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1428	$pl->deactivate;	1580	$pl->deactivate;
		1581	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1582	$pl->ob->check_score;
1429	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1583	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1430	$pl->ns->destroy if $pl->ns;	1584	$pl->ns->destroy if $pl->ns;
1431		1585
1432	my $path = playerdir $pl;	1586	my $path = playerdir $pl;
1433	my $temp = "$path~$cf::RUNTIME~deleting~";	1587	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1472		1626
1473	for my $login (@$dirs) {	1627	for my $login (@$dirs) {
1474	my $path = path $login;	1628	my $path = path $login;
1475		1629
1476	# a .pst is a dead give-away for a valid player	1630	# a .pst is a dead give-away for a valid player
1477	unless (-e "$path.pst") {	1631	# if no pst file found, open and chekc for blocked users
		1632	if (aio_stat "$path.pst") {
1478	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1633	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1479	aio_read $fh, 0, 512, my $buf, 0 or next;	1634	aio_read $fh, 0, 512, my $buf, 0 or next;
1480	$buf !~ /^password -------------$/m or next; # official not-valid tag	1635	$buf !~ /^password -------------$/m or next; # official not-valid tag
1481	}	1636	}
1482		1637
…		…
1513	}	1668	}
1514		1669
1515	\@paths	1670	\@paths
1516	}	1671	}
1517		1672
1518	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1673	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1519		1674
1520	Expand crossfire pod fragments into protocol xml.	1675	Expand deliantra pod fragments into protocol xml.
1521
1522	=cut
1523
1524	sub expand_cfpod {
1525	((my $self), (local $_)) = @_;
1526
1527	# escape & and <
1528	s/&/&amp;/g;
1529	s/(?<![BIUGHT])</&lt;/g;
1530
1531	# this is buggy, it needs to properly take care of nested <'s
1532
1533	1 while
1534	# replace B<>, I<>, U<> etc.
1535	s/B<([^\>]*)>/<b>$1<\/b>/
1536	|| s/I<([^\>]*)>/<i>$1<\/i>/
1537	|| s/U<([^\>]*)>/<u>$1<\/u>/
1538	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1539	# replace G<male|female> tags
1540	|| s{G<([^>|]*)\|([^>]*)>}{
1541	$self->gender ? $2 : $1
1542	}ge
1543	# replace H<hint text>
1544	|| s{H<([^\>]*)>}
1545	{
1546	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1547	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1548	"")
1549	[$self->{hintmode}]
1550	}ge;
1551
1552	# create single paragraphs (very hackish)
1553	s/(?<=\S)\n(?=\w)/ /g;
1554
1555	# compress some whitespace
1556	s/\s+\n/\n/g; # ws line-ends
1557	s/\n\n+/\n/g; # double lines
1558	s/^\n+//; # beginning lines
1559	s/\n+$//; # ending lines
1560
1561	$_
1562	}
1563
1564	sub hintmode {
1565	$_[0]{hintmode} = $_[1] if @_ > 1;
1566	$_[0]{hintmode}
1567	}
1568		1676
1569	=item $player->ext_reply ($msgid, @msg)	1677	=item $player->ext_reply ($msgid, @msg)
1570		1678
1571	Sends an ext reply to the player.	1679	Sends an ext reply to the player.
1572		1680
…		…
1639	our $MAX_RESET = 3600;	1747	our $MAX_RESET = 3600;
1640	our $DEFAULT_RESET = 3000;	1748	our $DEFAULT_RESET = 3000;
1641		1749
1642	sub generate_random_map {	1750	sub generate_random_map {
1643	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
1644	# mit "rum" bekleckern, nicht	1755	# mit "rum" bekleckern, nicht
1645	$self->_create_random_map (	1756	$self->_create_random_map (
1646	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1757	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1647	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1758	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1648	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1759	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1770		1881
1771	# the temporary/swap location	1882	# the temporary/swap location
1772	sub save_path {	1883	sub save_path {
1773	my ($self) = @_;	1884	my ($self) = @_;
1774		1885
1775	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1886	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1776	"$TMPDIR/$path.map"	1887	"$TMPDIR/$path.map"
1777	}	1888	}
1778		1889
1779	# the unique path, undef == no special unique path	1890	# the unique path, undef == no special unique path
1780	sub uniq_path {	1891	sub uniq_path {
1781	my ($self) = @_;	1892	my ($self) = @_;
1782		1893
1783	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1894	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1784	"$UNIQUEDIR/$path"	1895	"$UNIQUEDIR/$path"
1785	}
1786
1787	# and all this just because we cannot iterate over
1788	# all maps in C++...
1789	sub change_all_map_light {
1790	my ($change) = @_;
1791
1792	$_->change_map_light ($change)
1793	for grep $_->outdoor, values %cf::MAP;
1794	}	1896	}
1795		1897
1796	sub decay_objects {	1898	sub decay_objects {
1797	my ($self) = @_;	1899	my ($self) = @_;
1798		1900
…		…
1882	sub find {	1984	sub find {
1883	my ($path, $origin) = @_;	1985	my ($path, $origin) = @_;
1884		1986
1885	$path = normalise $path, $origin && $origin->path;	1987	$path = normalise $path, $origin && $origin->path;
1886		1988
1887	cf::lock_wait "map_data:$path";#d#remove	1989	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1888	cf::lock_wait "map_find:$path";	1990	my $guard2 = cf::lock_acquire "map_find:$path";
1889		1991
1890	$cf::MAP{$path} || do {	1992	$cf::MAP{$path} || do {
1891	my $guard1 = cf::lock_acquire "map_find:$path";
1892	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1893
1894	my $map = new_from_path cf::map $path	1993	my $map = new_from_path cf::map $path
1895	or return;	1994	or return;
1896		1995
1897	$map->{last_save} = $cf::RUNTIME;	1996	$map->{last_save} = $cf::RUNTIME;
1898		1997
…		…
1900	or return;	1999	or return;
1901		2000
1902	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2001	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1903	# doing this can freeze the server in a sync job, obviously	2002	# doing this can freeze the server in a sync job, obviously
1904	#$cf::WAIT_FOR_TICK->wait;	2003	#$cf::WAIT_FOR_TICK->wait;
		2004	undef $guard2;
1905	undef $guard1;	2005	undef $guard1;
1906	undef $guard2;
1907	$map->reset;	2006	$map->reset;
1908	return find $path;	2007	return find $path;
1909	}	2008	}
1910		2009
1911	$cf::MAP{$path} = $map	2010	$cf::MAP{$path} = $map
…		…
1938	my $f = new_from_file cf::object::thawer $self->{load_path};	2037	my $f = new_from_file cf::object::thawer $self->{load_path};
1939	$f->skip_block;	2038	$f->skip_block;
1940	$self->_load_objects ($f)	2039	$self->_load_objects ($f)
1941	or return;	2040	or return;
1942		2041
1943	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2042	$self->post_load_original
1944	if delete $self->{load_original};	2043	if delete $self->{load_original};
1945		2044
1946	if (my $uniq = $self->uniq_path) {	2045	if (my $uniq = $self->uniq_path) {
1947	utf8::encode $uniq;	2046	utf8::encode $uniq;
1948	unless (aio_stat $uniq) {	2047	unless (aio_stat $uniq) {
…		…
1966	unless ($self->{deny_activate}) {	2065	unless ($self->{deny_activate}) {
1967	$self->decay_objects;	2066	$self->decay_objects;
1968	$self->fix_auto_apply;	2067	$self->fix_auto_apply;
1969	$self->update_buttons;	2068	$self->update_buttons;
1970	cf::cede_to_tick;	2069	cf::cede_to_tick;
1971	$self->set_darkness_map;
1972	cf::cede_to_tick;
1973	$self->activate;	2070	$self->activate;
1974	}	2071	}
1975		2072
1976	$self->{last_save} = $cf::RUNTIME;	2073	$self->{last_save} = $cf::RUNTIME;
1977	$self->last_access ($cf::RUNTIME);	2074	$self->last_access ($cf::RUNTIME);
1978		2075
1979	$self->in_memory (cf::MAP_IN_MEMORY);	2076	$self->in_memory (cf::MAP_ACTIVE);
1980	}	2077	}
1981		2078
1982	$self->post_load;	2079	$self->post_load;
1983	}	2080	}
1984		2081
…		…
2042	my ($path, $origin, $load) = @_;	2139	my ($path, $origin, $load) = @_;
2043		2140
2044	$path = normalise $path, $origin && $origin->{path};	2141	$path = normalise $path, $origin && $origin->{path};
2045		2142
2046	if (my $map = $cf::MAP{$path}) {	2143	if (my $map = $cf::MAP{$path}) {
2047	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2144	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2048	}	2145	}
2049		2146
2050	$MAP_PREFETCH{$path} |= $load;	2147	$MAP_PREFETCH{$path} |= $load;
2051		2148
2052	$MAP_PREFETCHER ||= cf::async {	2149	$MAP_PREFETCHER ||= cf::async {
…		…
2089	cf::async {	2186	cf::async {
2090	$Coro::current->{desc} = "map player save";	2187	$Coro::current->{desc} = "map player save";
2091	$_->contr->save for $self->players;	2188	$_->contr->save for $self->players;
2092	};	2189	};
2093		2190
		2191	cf::get_slot 0.02;
		2192
2094	if ($uniq) {	2193	if ($uniq) {
2095	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2194	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2096	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2195	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2097	} else {	2196	} else {
2098	$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);
…		…
2106	$self->save;	2205	$self->save;
2107		2206
2108	my $lock = cf::lock_acquire "map_data:$self->{path}";	2207	my $lock = cf::lock_acquire "map_data:$self->{path}";
2109		2208
2110	return if $self->players;	2209	return if $self->players;
2111	return if $self->in_memory != cf::MAP_IN_MEMORY;	2210	return if $self->in_memory != cf::MAP_ACTIVE;
2112	return if $self->{deny_save};	2211	return if $self->{deny_save};
2113		2212
2114	$self->in_memory (cf::MAP_SWAPPED);	2213	$self->in_memory (cf::MAP_SWAPPED);
2115		2214
2116	$self->deactivate;	2215	$self->deactivate;
…		…
2141		2240
2142	my $lock = cf::lock_acquire "map_data:$self->{path}";	2241	my $lock = cf::lock_acquire "map_data:$self->{path}";
2143		2242
2144	return if $self->players;	2243	return if $self->players;
2145		2244
2146	warn "resetting map ", $self->path;	2245	warn "resetting map ", $self->path, "\n";
2147		2246
2148	$self->in_memory (cf::MAP_SWAPPED);	2247	$self->in_memory (cf::MAP_SWAPPED);
2149		2248
2150	# need to save uniques path	2249	# need to save uniques path
2151	unless ($self->{deny_save}) {	2250	unless ($self->{deny_save}) {
…		…
2234		2333
2235	sub unique_maps() {	2334	sub unique_maps() {
2236	[	2335	[
2237	map {	2336	map {
2238	utf8::decode $_;	2337	utf8::decode $_;
2239	/\.map$/	2338	s/\.map$//; # TODO future compatibility hack
		2339	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2340	? ()
2240	? normalise $_	2341	: normalise $_
2241	: ()
2242	} @{ aio_readdir $UNIQUEDIR or [] }	2342	} @{ aio_readdir $UNIQUEDIR or [] }
2243	]	2343	]
2244	}	2344	}
2245		2345
2246	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). May block.
		2350
		2351	=cut
		2352
		2353	sub static_maps() {
		2354	my @dirs = "";
		2355	my @maps;
		2356
		2357	while (@dirs) {
		2358	my $dir = shift @dirs;
		2359
		2360	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2361	or return;
		2362
		2363	for (@$files) {
		2364	s/\.map$// or next;
		2365	utf8::decode $_;
		2366	push @maps, "$dir/$_";
		2367	}
		2368
		2369	push @dirs, map "$dir/$_", @$dirs;
		2370	}
		2371
		2372	\@maps
		2373	}
2247		2374
2248	=back	2375	=back
2249		2376
2250	=head3 cf::object	2377	=head3 cf::object
2251		2378
…		…
2255		2382
2256	=over 4	2383	=over 4
2257		2384
2258	=item $ob->inv_recursive	2385	=item $ob->inv_recursive
2259		2386
2260	Returns the inventory of the object _and_ their inventories, recursively.	2387	Returns the inventory of the object I<and> their inventories, recursively,
		2388	but I<not> the object itself.
2261		2389
2262	=cut	2390	=cut
2263		2391
2264	sub inv_recursive_;	2392	sub inv_recursive_;
2265	sub inv_recursive_ {	2393	sub inv_recursive_ {
…		…
2270	inv_recursive_ inv $_[0]	2398	inv_recursive_ inv $_[0]
2271	}	2399	}
2272		2400
2273	=item $ref = $ob->ref	2401	=item $ref = $ob->ref
2274		2402
2275	creates and returns a persistent reference to an objetc that can be stored as a string.	2403	Creates and returns a persistent reference to an object that can be stored as a string.
2276		2404
2277	=item $ob = cf::object::deref ($refstring)	2405	=item $ob = cf::object::deref ($refstring)
2278		2406
2279	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2407	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2280	even if the object actually exists. May block.	2408	even if the object actually exists. May block.
…		…
2312	can be C<undef>. Does the right thing when the player is currently in a	2440	can be C<undef>. Does the right thing when the player is currently in a
2313	dialogue with the given NPC character.	2441	dialogue with the given NPC character.
2314		2442
2315	=cut	2443	=cut
2316		2444
		2445	our $SAY_CHANNEL = {
		2446	id => "say",
		2447	title => "Map",
		2448	reply => "say ",
		2449	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2450	};
		2451
		2452	our $CHAT_CHANNEL = {
		2453	id => "chat",
		2454	title => "Chat",
		2455	reply => "chat ",
		2456	tooltip => "Player chat and shouts, global to the server.",
		2457	};
		2458
2317	# rough implementation of a future "reply" method that works	2459	# rough implementation of a future "reply" method that works
2318	# with dialog boxes.	2460	# with dialog boxes.
2319	#TODO: the first argument must go, split into a $npc->reply_to ( method	2461	#TODO: the first argument must go, split into a $npc->reply_to ( method
2320	sub cf::object::player::reply($$$;$) {	2462	sub cf::object::player::reply($$$;$) {
2321	my ($self, $npc, $msg, $flags) = @_;	2463	my ($self, $npc, $msg, $flags) = @_;
…		…
2332	my $dialog = $pl->{npc_dialog};	2474	my $dialog = $pl->{npc_dialog};
2333	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2475	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2334		2476
2335	} else {	2477	} else {
2336	$msg = $npc->name . " says: $msg" if $npc;	2478	$msg = $npc->name . " says: $msg" if $npc;
2337	$self->message ($msg, $flags);	2479	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2338	}	2480	}
2339	}	2481	}
2340	}	2482	}
2341		2483
2342	=item $object->send_msg ($channel, $msg, $color, [extra...])	2484	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2367		2509
2368	=item $player_object->enter_link	2510	=item $player_object->enter_link
2369		2511
2370	Freezes the player and moves him/her to a special map (C<{link}>).	2512	Freezes the player and moves him/her to a special map (C<{link}>).
2371		2513
2372	The player should be reasonably safe there for short amounts of time. You	2514	The player should be reasonably safe there for short amounts of time (e.g.
2373	I<MUST> call C<leave_link> as soon as possible, though.	2515	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2516	though, as the palyer cannot control the character while it is on the link
		2517	map.
2374		2518
2375	Will never block.	2519	Will never block.
2376		2520
2377	=item $player_object->leave_link ($map, $x, $y)	2521	=item $player_object->leave_link ($map, $x, $y)
2378		2522
…		…
2436		2580
2437	$map->load;	2581	$map->load;
2438	$map->load_neighbours;	2582	$map->load_neighbours;
2439		2583
2440	return unless $self->contr->active;	2584	return unless $self->contr->active;
2441	$self->activate_recursive;
2442		2585
2443	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2586	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2444	$self->enter_map ($map, $x, $y);	2587	$self->enter_map ($map, $x, $y);
		2588
		2589	# only activate afterwards, to support waiting in hooks
		2590	$self->activate_recursive;
2445	}	2591	}
2446		2592
2447	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2593	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2448		2594
2449	Moves the player to the given map-path and coordinates by first freezing	2595	Moves the player to the given map-path and coordinates by first freezing
2450	her, loading and preparing them map, calling the provided $check callback	2596	her, loading and preparing them map, calling the provided $check callback
2451	that has to return the map if sucecssful, and then unfreezes the player on	2597	that has to return the map if sucecssful, and then unfreezes the player on
2452	the new (success) or old (failed) map position. In either case, $done will	2598	the new (success) or old (failed) map position. In either case, $done will
2453	be called at the end of this process.	2599	be called at the end of this process.
		2600
		2601	Note that $check will be called with a potentially non-loaded map, so if
		2602	it needs a loaded map it has to call C<< ->load >>.
2454		2603
2455	=cut	2604	=cut
2456		2605
2457	our $GOTOGEN;	2606	our $GOTOGEN;
2458		2607
…		…
2537	}	2686	}
2538		2687
2539	sub prepare_random_map {	2688	sub prepare_random_map {
2540	my ($exit) = @_;	2689	my ($exit) = @_;
2541		2690
2542	my $guard = cf::lock_acquire "exit_prepare:$exit";
2543
2544	# all this does is basically replace the /! path by	2691	# all this does is basically replace the /! path by
2545	# a new random map path (?random/...) with a seed	2692	# a new random map path (?random/...) with a seed
2546	# that depends on the exit object	2693	# that depends on the exit object
2547		2694
2548	my $rmp = parse_random_map_params $exit->msg;	2695	my $rmp = parse_random_map_params $exit->msg;
…		…
2550	if ($exit->map) {	2697	if ($exit->map) {
2551	$rmp->{region} = $exit->region->name;	2698	$rmp->{region} = $exit->region->name;
2552	$rmp->{origin_map} = $exit->map->path;	2699	$rmp->{origin_map} = $exit->map->path;
2553	$rmp->{origin_x} = $exit->x;	2700	$rmp->{origin_x} = $exit->x;
2554	$rmp->{origin_y} = $exit->y;	2701	$rmp->{origin_y} = $exit->y;
		2702
		2703	$exit->map->touch;
2555	}	2704	}
2556		2705
2557	$rmp->{random_seed} ||= $exit->random_seed;	2706	$rmp->{random_seed} ||= $exit->random_seed;
2558		2707
2559	my $data = cf::to_json $rmp;	2708	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2560	my $md5 = Digest::MD5::md5_hex $data;	2709	my $md5 = Digest::MD5::md5_hex $data;
2561	my $meta = "$RANDOMDIR/$md5.meta";	2710	my $meta = "$RANDOMDIR/$md5.meta";
2562		2711
2563	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2712	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2564	aio_write $fh, 0, (length $data), $data, 0;	2713	aio_write $fh, 0, (length $data), $data, 0;
2565	undef $fh;	2714	undef $fh;
2566	aio_rename "$meta~", $meta;	2715	aio_rename "$meta~", $meta;
2567		2716
		2717	my $slaying = "?random/$md5";
		2718
		2719	if ($exit->valid) {
2568	$exit->slaying ("?random/$md5");	2720	$exit->slaying ("?random/$md5");
2569	$exit->msg (undef);	2721	$exit->msg (undef);
		2722	}
2570	}	2723	}
2571	}	2724	}
2572		2725
2573	sub cf::object::player::enter_exit {	2726	sub cf::object::player::enter_exit {
2574	my ($self, $exit) = @_;	2727	my ($self, $exit) = @_;
2575		2728
2576	return unless $self->type == cf::PLAYER;	2729	return unless $self->type == cf::PLAYER;
2577		2730
2578	if ($exit->slaying eq "/!") {
2579	#TODO: this should de-fi-ni-te-ly not be a sync-job
2580	# the problem is that $exit might not survive long enough
2581	# so it needs to be done right now, right here
2582	cf::sync_job { prepare_random_map $exit };
2583	}
2584
2585	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2586	my $hp = $exit->stats->hp;
2587	my $sp = $exit->stats->sp;
2588
2589	$self->enter_link;	2731	$self->enter_link;
2590		2732
2591	# if exit is damned, update players death & WoR home-position
2592	$self->contr->savebed ($slaying, $hp, $sp)
2593	if $exit->flag (FLAG_DAMNED);
2594
2595	(async {	2733	(async {
2596	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2734	$Coro::current->{desc} = "enter_exit";
2597		2735
2598	$self->deactivate_recursive; # just to be sure
2599	unless (eval {	2736	unless (eval {
		2737	$self->deactivate_recursive; # just to be sure
		2738
		2739	# random map handling
		2740	{
		2741	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2742
		2743	prepare_random_map $exit
		2744	if $exit->slaying eq "/!";
		2745	}
		2746
		2747	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2748	my $x = $exit->stats->hp;
		2749	my $y = $exit->stats->sp;
		2750
2600	$self->goto ($slaying, $hp, $sp);	2751	$self->goto ($map, $x, $y);
2601		2752
		2753	# if exit is damned, update players death & WoR home-position
		2754	$self->contr->savebed ($map, $x, $y)
		2755	if $exit->flag (cf::FLAG_DAMNED);
		2756
2602	1;	2757	1
2603	}) {	2758	}) {
2604	$self->message ("Something went wrong deep within the crossfire server. "	2759	$self->message ("Something went wrong deep within the deliantra server. "
2605	. "I'll try to bring you back to the map you were before. "	2760	. "I'll try to bring you back to the map you were before. "
2606	. "Please report this to the dungeon master!",	2761	. "Please report this to the dungeon master!",
2607	cf::NDI_UNIQUE | cf::NDI_RED);	2762	cf::NDI_UNIQUE | cf::NDI_RED);
2608		2763
2609	warn "ERROR in enter_exit: $@";	2764	warn "ERROR in enter_exit: $@";
…		…
2637	the message, with C<log> being the default. If C<$color> is negative, suppress	2792	the message, with C<log> being the default. If C<$color> is negative, suppress
2638	the message unless the client supports the msg packet.	2793	the message unless the client supports the msg packet.
2639		2794
2640	=cut	2795	=cut
2641		2796
		2797	# non-persistent channels (usually the info channel)
2642	our %CHANNEL = (	2798	our %CHANNEL = (
		2799	"c/motd" => {
		2800	id => "infobox",
		2801	title => "MOTD",
		2802	reply => undef,
		2803	tooltip => "The message of the day",
		2804	},
2643	"c/identify" => {	2805	"c/identify" => {
2644	id => "infobox",	2806	id => "infobox",
2645	title => "Identify",	2807	title => "Identify",
2646	reply => undef,	2808	reply => undef,
2647	tooltip => "Items recently identified",	2809	tooltip => "Items recently identified",
…		…
2650	id => "infobox",	2812	id => "infobox",
2651	title => "Examine",	2813	title => "Examine",
2652	reply => undef,	2814	reply => undef,
2653	tooltip => "Signs and other items you examined",	2815	tooltip => "Signs and other items you examined",
2654	},	2816	},
		2817	"c/shopinfo" => {
		2818	id => "infobox",
		2819	title => "Shop Info",
		2820	reply => undef,
		2821	tooltip => "What your bargaining skill tells you about the shop",
		2822	},
		2823	"c/book" => {
		2824	id => "infobox",
		2825	title => "Book",
		2826	reply => undef,
		2827	tooltip => "The contents of a note or book",
		2828	},
2655	"c/lookat" => {	2829	"c/lookat" => {
2656	id => "infobox",	2830	id => "infobox",
2657	title => "Look",	2831	title => "Look",
2658	reply => undef,	2832	reply => undef,
2659	tooltip => "What you saw there",	2833	tooltip => "What you saw there",
2660	},	2834	},
		2835	"c/who" => {
		2836	id => "infobox",
		2837	title => "Players",
		2838	reply => undef,
		2839	tooltip => "Shows players who are currently online",
		2840	},
		2841	"c/body" => {
		2842	id => "infobox",
		2843	title => "Body Parts",
		2844	reply => undef,
		2845	tooltip => "Shows which body parts you posess and are available",
		2846	},
		2847	"c/statistics" => {
		2848	id => "infobox",
		2849	title => "Statistics",
		2850	reply => undef,
		2851	tooltip => "Shows your primary statistics",
		2852	},
		2853	"c/skills" => {
		2854	id => "infobox",
		2855	title => "Skills",
		2856	reply => undef,
		2857	tooltip => "Shows your experience per skill and item power",
		2858	},
		2859	"c/shopitems" => {
		2860	id => "infobox",
		2861	title => "Shop Items",
		2862	reply => undef,
		2863	tooltip => "Shows the items currently for sale in this shop",
		2864	},
		2865	"c/resistances" => {
		2866	id => "infobox",
		2867	title => "Resistances",
		2868	reply => undef,
		2869	tooltip => "Shows your resistances",
		2870	},
		2871	"c/pets" => {
		2872	id => "infobox",
		2873	title => "Pets",
		2874	reply => undef,
		2875	tooltip => "Shows information abotu your pets/a specific pet",
		2876	},
		2877	"c/perceiveself" => {
		2878	id => "infobox",
		2879	title => "Perceive Self",
		2880	reply => undef,
		2881	tooltip => "You gained detailed knowledge about yourself",
		2882	},
		2883	"c/uptime" => {
		2884	id => "infobox",
		2885	title => "Uptime",
		2886	reply => undef,
		2887	tooltip => "How long the server has been running since last restart",
		2888	},
		2889	"c/mapinfo" => {
		2890	id => "infobox",
		2891	title => "Map Info",
		2892	reply => undef,
		2893	tooltip => "Information related to the maps",
		2894	},
		2895	"c/party" => {
		2896	id => "party",
		2897	title => "Party",
		2898	reply => "gsay ",
		2899	tooltip => "Messages and chat related to your party",
		2900	},
		2901	"c/death" => {
		2902	id => "death",
		2903	title => "Death",
		2904	reply => undef,
		2905	tooltip => "Reason for and more info about your most recent death",
		2906	},
		2907	"c/say" => $SAY_CHANNEL,
		2908	"c/chat" => $CHAT_CHANNEL,
2661	);	2909	);
2662		2910
2663	sub cf::client::send_msg {	2911	sub cf::client::send_msg {
2664	my ($self, $channel, $msg, $color, @extra) = @_;	2912	my ($self, $channel, $msg, $color, @extra) = @_;
2665		2913
2666	$msg = $self->pl->expand_cfpod ($msg);	2914	$msg = $self->pl->expand_cfpod ($msg)
		2915	unless $color & cf::NDI_VERBATIM;
2667		2916
2668	$color &= cf::NDI_CLIENT_MASK; # just in case...	2917	$color &= cf::NDI_CLIENT_MASK; # just in case...
2669		2918
2670	# check predefined channels, for the benefit of C	2919	# check predefined channels, for the benefit of C
2671	if ($CHANNEL{$channel}) {	2920	if ($CHANNEL{$channel}) {
2672	$channel = $CHANNEL{$channel};	2921	$channel = $CHANNEL{$channel};
2673		2922
2674	$self->ext_msg (channel_info => $channel)	2923	$self->ext_msg (channel_info => $channel);
2675	if $self->can_msg;
2676
2677	$channel = $channel->{id};	2924	$channel = $channel->{id};
2678		2925
2679	} elsif (ref $channel) {	2926	} elsif (ref $channel) {
2680	# send meta info to client, if not yet sent	2927	# send meta info to client, if not yet sent
2681	unless (exists $self->{channel}{$channel->{id}}) {	2928	unless (exists $self->{channel}{$channel->{id}}) {
2682	$self->{channel}{$channel->{id}} = $channel;	2929	$self->{channel}{$channel->{id}} = $channel;
2683	$self->ext_msg (channel_info => $channel)	2930	$self->ext_msg (channel_info => $channel);
2684	if $self->can_msg;
2685	}	2931	}
2686		2932
2687	$channel = $channel->{id};	2933	$channel = $channel->{id};
2688	}	2934	}
2689		2935
2690	return unless @extra || length $msg;	2936	return unless @extra || length $msg;
2691		2937
2692	if ($self->can_msg) {
2693	# default colour, mask it out	2938	# default colour, mask it out
2694	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2939	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2695	if $color & cf::NDI_DEF;	2940	if $color & cf::NDI_DEF;
2696		2941
2697	$self->send_packet ("msg " . $self->{json_coder}->encode (	2942	my $pkt = "msg "
		2943	. $self->{json_coder}->encode (
2698	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2944	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2699	} else {	2945	);
2700	if ($color >= 0) {
2701	# replace some tags by gcfclient-compatible ones
2702	for ($msg) {
2703	1 while
2704	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2705	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2706	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2707	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2708	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2709	}
2710		2946
2711	$color &= cf::NDI_COLOR_MASK;	2947	# try lzf for large packets
		2948	$pkt = "lzf " . Compress::LZF::compress $pkt
		2949	if 1024 <= length $pkt and $self->{can_lzf};
2712		2950
2713	utf8::encode $msg;	2951	# split very large packets
2714		2952	if (8192 < length $pkt and $self->{can_lzf}) {
2715	if (0 && $msg =~ /\[/) {	2953	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2716	# COMMAND/INFO	2954	$pkt = "frag";
2717	$self->send_packet ("drawextinfo $color 10 8 $msg")
2718	} else {
2719	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2720	$self->send_packet ("drawinfo $color $msg")
2721	}
2722	}
2723	}	2955	}
		2956
		2957	$self->send_packet ($pkt);
2724	}	2958	}
2725		2959
2726	=item $client->ext_msg ($type, @msg)	2960	=item $client->ext_msg ($type, @msg)
2727		2961
2728	Sends an ext event to the client.	2962	Sends an ext event to the client.
…		…
2902		3136
2903	The following functions and methods are available within a safe environment:	3137	The following functions and methods are available within a safe environment:
2904		3138
2905	cf::object	3139	cf::object
2906	contr pay_amount pay_player map x y force_find force_add destroy	3140	contr pay_amount pay_player map x y force_find force_add destroy
2907	insert remove name archname title slaying race decrease_ob_nr	3141	insert remove name archname title slaying race decrease split
		3142	value
2908		3143
2909	cf::object::player	3144	cf::object::player
2910	player	3145	player
2911		3146
2912	cf::player	3147	cf::player
…		…
2917		3152
2918	=cut	3153	=cut
2919		3154
2920	for (	3155	for (
2921	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3156	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2922	insert remove inv name archname title slaying race	3157	insert remove inv nrof name archname title slaying race
2923	decrease_ob_nr destroy)],	3158	decrease split destroy change_exp value msg lore send_msg)],
2924	["cf::object::player" => qw(player)],	3159	["cf::object::player" => qw(player)],
2925	["cf::player" => qw(peaceful)],	3160	["cf::player" => qw(peaceful send_msg)],
2926	["cf::map" => qw(trigger)],	3161	["cf::map" => qw(trigger)],
2927	) {	3162	) {
2928	no strict 'refs';	3163	no strict 'refs';
2929	my ($pkg, @funs) = @$_;	3164	my ($pkg, @funs) = @$_;
2930	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3165	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2947	my ($code, %vars) = @_;	3182	my ($code, %vars) = @_;
2948		3183
2949	my $qcode = $code;	3184	my $qcode = $code;
2950	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3185	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2951	$qcode =~ s/\n/\\n/g;	3186	$qcode =~ s/\n/\\n/g;
		3187
		3188	%vars = (_dummy => 0) unless %vars;
2952		3189
2953	local $_;	3190	local $_;
2954	local @safe::cf::_safe_eval_args = values %vars;	3191	local @safe::cf::_safe_eval_args = values %vars;
2955		3192
2956	my $eval =	3193	my $eval =
…		…
3033	{	3270	{
3034	my $faces = $facedata->{faceinfo};	3271	my $faces = $facedata->{faceinfo};
3035		3272
3036	while (my ($face, $info) = each %$faces) {	3273	while (my ($face, $info) = each %$faces) {
3037	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3274	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3275
3038	cf::face::set_visibility $idx, $info->{visibility};	3276	cf::face::set_visibility $idx, $info->{visibility};
3039	cf::face::set_magicmap $idx, $info->{magicmap};	3277	cf::face::set_magicmap $idx, $info->{magicmap};
3040	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3278	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
3041	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3279	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
3042		3280
3043	cf::cede_to_tick;	3281	cf::cede_to_tick;
3044	}	3282	}
3045		3283
3046	while (my ($face, $info) = each %$faces) {	3284	while (my ($face, $info) = each %$faces) {
3047	next unless $info->{smooth};	3285	next unless $info->{smooth};
		3286
3048	my $idx = cf::face::find $face	3287	my $idx = cf::face::find $face
3049	or next;	3288	or next;
		3289
3050	if (my $smooth = cf::face::find $info->{smooth}) {	3290	if (my $smooth = cf::face::find $info->{smooth}) {
3051	cf::face::set_smooth $idx, $smooth;	3291	cf::face::set_smooth $idx, $smooth;
3052	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3292	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3053	} else {	3293	} else {
3054	warn "smooth face '$info->{smooth}' not found for face '$face'";	3294	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
3072	{	3312	{
3073	# TODO: for gcfclient pleasure, we should give resources	3313	# TODO: for gcfclient pleasure, we should give resources
3074	# that gcfclient doesn't grok a >10000 face index.	3314	# that gcfclient doesn't grok a >10000 face index.
3075	my $res = $facedata->{resource};	3315	my $res = $facedata->{resource};
3076		3316
3077	my $soundconf = delete $res->{"res/sound.conf"};
3078
3079	while (my ($name, $info) = each %$res) {	3317	while (my ($name, $info) = each %$res) {
		3318	if (defined $info->{type}) {
3080	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3319	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3081	my $data;	3320	my $data;
3082		3321
3083	if ($info->{type} & 1) {	3322	if ($info->{type} & 1) {
3084	# prepend meta info	3323	# prepend meta info
3085		3324
3086	my $meta = $enc->encode ({	3325	my $meta = $enc->encode ({
3087	name => $name,	3326	name => $name,
3088	%{ $info->{meta} || {} },	3327	%{ $info->{meta} || {} },
3089	});	3328	});
3090		3329
3091	$data = pack "(w/a*)*", $meta, $info->{data};	3330	$data = pack "(w/a*)*", $meta, $info->{data};
		3331	} else {
		3332	$data = $info->{data};
		3333	}
		3334
		3335	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3336	cf::face::set_type $idx, $info->{type};
3092	} else {	3337	} else {
3093	$data = $info->{data};	3338	$RESOURCE{$name} = $info;
3094	}	3339	}
3095		3340
3096	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3097	cf::face::set_type $idx, $info->{type};
3098
3099	cf::cede_to_tick;	3341	cf::cede_to_tick;
3100	}	3342	}
3101
3102	if ($soundconf) {
3103	$soundconf = $enc->decode (delete $soundconf->{data});
3104
3105	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3106	my $sound = $soundconf->{compat}[$_]
3107	or next;
3108
3109	my $face = cf::face::find "sound/$sound->[1]";
3110	cf::sound::set $sound->[0] => $face;
3111	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3112	}
3113
3114	while (my ($k, $v) = each %{$soundconf->{event}}) {
3115	my $face = cf::face::find "sound/$v";
3116	cf::sound::set $k => $face;
3117	}
3118	}
3119	}	3343	}
		3344
		3345	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3120		3346
3121	1	3347	1
3122	}	3348	}
		3349
		3350	cf::global->attach (on_resource_update => sub {
		3351	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3352	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3353
		3354	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3355	my $sound = $soundconf->{compat}[$_]
		3356	or next;
		3357
		3358	my $face = cf::face::find "sound/$sound->[1]";
		3359	cf::sound::set $sound->[0] => $face;
		3360	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3361	}
		3362
		3363	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3364	my $face = cf::face::find "sound/$v";
		3365	cf::sound::set $k => $face;
		3366	}
		3367	}
		3368	});
3123		3369
3124	register_exticmd fx_want => sub {	3370	register_exticmd fx_want => sub {
3125	my ($ns, $want) = @_;	3371	my ($ns, $want) = @_;
3126		3372
3127	while (my ($k, $v) = each %$want) {	3373	while (my ($k, $v) = each %$want) {
3128	$ns->fx_want ($k, $v);	3374	$ns->fx_want ($k, $v);
3129	}	3375	}
3130	};	3376	};
		3377
		3378	sub load_resource_file($) {
		3379	my $guard = lock_acquire "load_resource_file";
		3380
		3381	my $status = load_resource_file_ $_[0];
		3382	get_slot 0.1, 100;
		3383	cf::arch::commit_load;
		3384
		3385	$status
		3386	}
3131		3387
3132	sub reload_regions {	3388	sub reload_regions {
3133	# HACK to clear player env face cache, we need some signal framework	3389	# HACK to clear player env face cache, we need some signal framework
3134	# for this (global event?)	3390	# for this (global event?)
3135	%ext::player_env::MUSIC_FACE_CACHE = ();	3391	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3149	}	3405	}
3150		3406
3151	sub reload_archetypes {	3407	sub reload_archetypes {
3152	load_resource_file "$DATADIR/archetypes"	3408	load_resource_file "$DATADIR/archetypes"
3153	or die "unable to load archetypes\n";	3409	or die "unable to load archetypes\n";
3154	#d# NEED to laod twice to resolve forward references
3155	# this really needs to be done in an extra post-pass
3156	# (which needs to be synchronous, so solve it differently)
3157	load_resource_file "$DATADIR/archetypes"
3158	or die "unable to load archetypes\n";
3159	}	3410	}
3160		3411
3161	sub reload_treasures {	3412	sub reload_treasures {
3162	load_resource_file "$DATADIR/treasures"	3413	load_resource_file "$DATADIR/treasures"
3163	or die "unable to load treasurelists\n";	3414	or die "unable to load treasurelists\n";
3164	}	3415	}
3165		3416
3166	sub reload_resources {	3417	sub reload_resources {
3167	warn "reloading resource files...\n";	3418	warn "reloading resource files...\n";
3168		3419
		3420	reload_facedata;
		3421	reload_archetypes;
3169	reload_regions;	3422	reload_regions;
3170	reload_facedata;
3171	#reload_archetypes;#d#
3172	reload_archetypes;
3173	reload_treasures;	3423	reload_treasures;
3174		3424
3175	warn "finished reloading resource files\n";	3425	warn "finished reloading resource files\n";
3176	}	3426	}
3177		3427
3178	sub init {
3179	reload_resources;
3180	}
3181
3182	sub reload_config {	3428	sub reload_config {
		3429	warn "reloading config file...\n";
		3430
3183	open my $fh, "<:utf8", "$CONFDIR/config"	3431	open my $fh, "<:utf8", "$CONFDIR/config"
3184	or return;	3432	or return;
3185		3433
3186	local $/;	3434	local $/;
3187	*CFG = YAML::Syck::Load <$fh>;	3435	*CFG = YAML::XS::Load scalar <$fh>;
3188		3436
3189	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3437	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3190		3438
3191	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3439	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3192	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3440	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3196	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3444	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
3197	and die "WARNING: m(un)lockall failed: $!\n";	3445	and die "WARNING: m(un)lockall failed: $!\n";
3198	};	3446	};
3199	warn $@ if $@;	3447	warn $@ if $@;
3200	}	3448	}
		3449
		3450	warn "finished reloading resource files\n";
		3451	}
		3452
		3453	sub pidfile() {
		3454	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3455	or die "$PIDFILE: $!";
		3456	flock $fh, &Fcntl::LOCK_EX
		3457	or die "$PIDFILE: flock: $!";
		3458	$fh
		3459	}
		3460
		3461	# make sure only one server instance is running at any one time
		3462	sub atomic {
		3463	my $fh = pidfile;
		3464
		3465	my $pid = <$fh>;
		3466	kill 9, $pid if $pid > 0;
		3467
		3468	seek $fh, 0, 0;
		3469	print $fh $$;
		3470	}
		3471
		3472	sub main_loop {
		3473	warn "EV::loop starting\n";
		3474	if (1) {
		3475	EV::loop;
		3476	}
		3477	warn "EV::loop returned\n";
		3478	goto &main_loop unless $REALLY_UNLOOP;
3201	}	3479	}
3202		3480
3203	sub main {	3481	sub main {
		3482	cf::init_globals; # initialise logging
		3483
		3484	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3485	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3486	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3487	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3488
		3489	cf::init_experience;
		3490	cf::init_anim;
		3491	cf::init_attackmess;
		3492	cf::init_dynamic;
		3493
		3494	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3495
3204	# we must not ever block the main coroutine	3496	# we must not ever block the main coroutine
3205	local $Coro::idle = sub {	3497	local $Coro::idle = sub {
3206	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3498	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3207	(async {	3499	(async {
3208	$Coro::current->{desc} = "IDLE BUG HANDLER";	3500	$Coro::current->{desc} = "IDLE BUG HANDLER";
3209	Event::one_event;	3501	EV::loop EV::LOOP_ONESHOT;
3210	})->prio (Coro::PRIO_MAX);	3502	})->prio (Coro::PRIO_MAX);
3211	};	3503	};
3212		3504
		3505	evthread_start IO::AIO::poll_fileno;
		3506
		3507	cf::sync_job {
		3508	reload_resources;
3213	reload_config;	3509	reload_config;
3214	db_init;	3510	db_init;
		3511
		3512	cf::load_settings;
		3513	cf::load_materials;
		3514	cf::init_uuid;
		3515	cf::init_signals;
		3516	cf::init_commands;
		3517	cf::init_skills;
		3518
		3519	cf::init_beforeplay;
		3520
		3521	atomic;
		3522
3215	load_extensions;	3523	load_extensions;
3216		3524
3217	$TICK_WATCHER->start;	3525	utime time, time, $RUNTIMEFILE;
3218	Event::loop;	3526
		3527	# no (long-running) fork's whatsoever before this point(!)
		3528	use POSIX ();
		3529	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3530
		3531	(pop @POST_INIT)->(0) while @POST_INIT;
		3532	};
		3533
		3534	main_loop;
3219	}	3535	}
3220		3536
3221	#############################################################################	3537	#############################################################################
3222	# initialisation and cleanup	3538	# initialisation and cleanup
3223		3539
3224	# install some emergency cleanup handlers	3540	# install some emergency cleanup handlers
3225	BEGIN {	3541	BEGIN {
		3542	our %SIGWATCHER = ();
3226	for my $signal (qw(INT HUP TERM)) {	3543	for my $signal (qw(INT HUP TERM)) {
3227	Event->signal (	3544	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3228	reentrant => 0,
3229	data => WF_AUTOCANCEL,
3230	signal => $signal,
3231	prio => 0,
3232	cb => sub {
3233	cf::cleanup "SIG$signal";	3545	cf::cleanup "SIG$signal";
3234	},
3235	);	3546	};
3236	}	3547	}
3237	}	3548	}
3238		3549
3239	sub write_runtime {	3550	sub write_runtime_sync {
3240	my $runtime = "$LOCALDIR/runtime";
3241
3242	# first touch the runtime file to show we are still running:	3551	# first touch the runtime file to show we are still running:
3243	# the fsync below can take a very very long time.	3552	# the fsync below can take a very very long time.
3244		3553
3245	IO::AIO::aio_utime $runtime, undef, undef;	3554	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3246		3555
3247	my $guard = cf::lock_acquire "write_runtime";	3556	my $guard = cf::lock_acquire "write_runtime";
3248		3557
3249	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3558	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3250	or return;	3559	or return;
3251		3560
3252	my $value = $cf::RUNTIME + 90 + 10;	3561	my $value = $cf::RUNTIME + 90 + 10;
3253	# 10 is the runtime save interval, for a monotonic clock	3562	# 10 is the runtime save interval, for a monotonic clock
3254	# 60 allows for the watchdog to kill the server.	3563	# 60 allows for the watchdog to kill the server.
…		…
3264	aio_utime $fh, undef, undef;	3573	aio_utime $fh, undef, undef;
3265		3574
3266	close $fh	3575	close $fh
3267	or return;	3576	or return;
3268		3577
3269	aio_rename "$runtime~", $runtime	3578	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3270	and return;	3579	and return;
3271		3580
3272	warn "runtime file written.\n";	3581	warn "runtime file written.\n";
3273		3582
3274	1	3583	1
		3584	}
		3585
		3586	our $uuid_lock;
		3587	our $uuid_skip;
		3588
		3589	sub write_uuid_sync($) {
		3590	$uuid_skip ||= $_[0];
		3591
		3592	return if $uuid_lock;
		3593	local $uuid_lock = 1;
		3594
		3595	my $uuid = "$LOCALDIR/uuid";
		3596
		3597	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3598	or return;
		3599
		3600	my $value = uuid_seq uuid_cur;
		3601
		3602	unless ($value) {
		3603	warn "cowardly refusing to write zero uuid value!\n";
		3604	return;
		3605	}
		3606
		3607	my $value = uuid_str $value + $uuid_skip;
		3608	$uuid_skip = 0;
		3609
		3610	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3611	and return;
		3612
		3613	# always fsync - this file is important
		3614	aio_fsync $fh
		3615	and return;
		3616
		3617	close $fh
		3618	or return;
		3619
		3620	aio_rename "$uuid~", $uuid
		3621	and return;
		3622
		3623	warn "uuid file written ($value).\n";
		3624
		3625	1
		3626
		3627	}
		3628
		3629	sub write_uuid($$) {
		3630	my ($skip, $sync) = @_;
		3631
		3632	$sync ? write_uuid_sync $skip
		3633	: async { write_uuid_sync $skip };
3275	}	3634	}
3276		3635
3277	sub emergency_save() {	3636	sub emergency_save() {
3278	my $freeze_guard = cf::freeze_mainloop;	3637	my $freeze_guard = cf::freeze_mainloop;
3279		3638
3280	warn "enter emergency perl save\n";	3639	warn "emergency_perl_save: enter\n";
3281		3640
3282	cf::sync_job {	3641	cf::sync_job {
		3642	# this is a trade-off: we want to be very quick here, so
		3643	# save all maps without fsync, and later call a global sync
		3644	# (which in turn might be very very slow)
		3645	local $USE_FSYNC = 0;
		3646
3283	# use a peculiar iteration method to avoid tripping on perl	3647	# use a peculiar iteration method to avoid tripping on perl
3284	# refcount bugs in for. also avoids problems with players	3648	# refcount bugs in for. also avoids problems with players
3285	# and maps saved/destroyed asynchronously.	3649	# and maps saved/destroyed asynchronously.
3286	warn "begin emergency player save\n";	3650	warn "emergency_perl_save: begin player save\n";
3287	for my $login (keys %cf::PLAYER) {	3651	for my $login (keys %cf::PLAYER) {
3288	my $pl = $cf::PLAYER{$login} or next;	3652	my $pl = $cf::PLAYER{$login} or next;
3289	$pl->valid or next;	3653	$pl->valid or next;
3290	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3654	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3291	$pl->save;	3655	$pl->save;
3292	}	3656	}
3293	warn "end emergency player save\n";	3657	warn "emergency_perl_save: end player save\n";
3294		3658
3295	warn "begin emergency map save\n";	3659	warn "emergency_perl_save: begin map save\n";
3296	for my $path (keys %cf::MAP) {	3660	for my $path (keys %cf::MAP) {
3297	my $map = $cf::MAP{$path} or next;	3661	my $map = $cf::MAP{$path} or next;
3298	$map->valid or next;	3662	$map->valid or next;
3299	$map->save;	3663	$map->save;
3300	}	3664	}
3301	warn "end emergency map save\n";	3665	warn "emergency_perl_save: end map save\n";
3302		3666
3303	warn "begin emergency database checkpoint\n";	3667	warn "emergency_perl_save: begin database checkpoint\n";
3304	BDB::db_env_txn_checkpoint $DB_ENV;	3668	BDB::db_env_txn_checkpoint $DB_ENV;
3305	warn "end emergency database checkpoint\n";	3669	warn "emergency_perl_save: end database checkpoint\n";
		3670
		3671	warn "emergency_perl_save: begin write uuid\n";
		3672	write_uuid_sync 1;
		3673	warn "emergency_perl_save: end write uuid\n";
3306	};	3674	};
3307		3675
		3676	warn "emergency_perl_save: starting sync()\n";
		3677	IO::AIO::aio_sync sub {
		3678	warn "emergency_perl_save: finished sync()\n";
		3679	};
		3680
3308	warn "leave emergency perl save\n";	3681	warn "emergency_perl_save: leave\n";
3309	}	3682	}
3310		3683
3311	sub post_cleanup {	3684	sub post_cleanup {
3312	my ($make_core) = @_;	3685	my ($make_core) = @_;
3313		3686
3314	warn Carp::longmess "post_cleanup backtrace"	3687	warn Carp::longmess "post_cleanup backtrace"
3315	if $make_core;	3688	if $make_core;
		3689
		3690	my $fh = pidfile;
		3691	unlink $PIDFILE if <$fh> == $$;
		3692	}
		3693
		3694	# a safer delete_package, copied from Symbol
		3695	sub clear_package($) {
		3696	my $pkg = shift;
		3697
		3698	# expand to full symbol table name if needed
		3699	unless ($pkg =~ /^main::.*::$/) {
		3700	$pkg = "main$pkg" if $pkg =~ /^::/;
		3701	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3702	$pkg .= '::' unless $pkg =~ /::$/;
		3703	}
		3704
		3705	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3706	my $stem_symtab = *{$stem}{HASH};
		3707
		3708	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3709	or return;
		3710
		3711	# clear all symbols
		3712	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3713	for my $name (keys %$leaf_symtab) {
		3714	_gv_clear *{"$pkg$name"};
		3715	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3716	}
		3717	warn "cleared package $pkg\n";#d#
3316	}	3718	}
3317		3719
3318	sub do_reload_perl() {	3720	sub do_reload_perl() {
3319	# can/must only be called in main	3721	# can/must only be called in main
3320	if ($Coro::current != $Coro::main) {	3722	if ($Coro::current != $Coro::main) {
3321	warn "can only reload from main coroutine";	3723	warn "can only reload from main coroutine";
3322	return;	3724	return;
3323	}	3725	}
3324		3726
		3727	return if $RELOAD++;
		3728
		3729	my $t1 = EV::time;
		3730
		3731	while ($RELOAD) {
3325	warn "reloading...";	3732	warn "reloading...";
3326		3733
3327	warn "entering sync_job";	3734	warn "entering sync_job";
3328		3735
3329	cf::sync_job {	3736	cf::sync_job {
3330	cf::write_runtime; # external watchdog should not bark	3737	cf::write_runtime_sync; # external watchdog should not bark
3331	cf::emergency_save;	3738	cf::emergency_save;
3332	cf::write_runtime; # external watchdog should not bark	3739	cf::write_runtime_sync; # external watchdog should not bark
3333		3740
3334	warn "syncing database to disk";	3741	warn "syncing database to disk";
3335	BDB::db_env_txn_checkpoint $DB_ENV;	3742	BDB::db_env_txn_checkpoint $DB_ENV;
3336		3743
3337	# if anything goes wrong in here, we should simply crash as we already saved	3744	# if anything goes wrong in here, we should simply crash as we already saved
3338		3745
3339	warn "cancelling all WF_AUTOCANCEL watchers";
3340	for (Event::all_watchers) {
3341	$_->cancel if $_->data & WF_AUTOCANCEL;
3342	}
3343
3344	warn "flushing outstanding aio requests";	3746	warn "flushing outstanding aio requests";
3345	for (;;) {
3346	BDB::flush;
3347	IO::AIO::flush;
3348	Coro::cede;
3349	last unless IO::AIO::nreqs || BDB::nreqs;	3747	while (IO::AIO::nreqs || BDB::nreqs) {
3350	warn "iterate...";	3748	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3351	}
3352
3353	++$RELOAD;
3354
3355	warn "cancelling all extension coros";
3356	$_->cancel for values %EXT_CORO;
3357	%EXT_CORO = ();
3358
3359	warn "removing commands";
3360	%COMMAND = ();
3361
3362	warn "removing ext/exti commands";
3363	%EXTCMD = ();
3364	%EXTICMD = ();
3365
3366	warn "unloading/nuking all extensions";
3367	for my $pkg (@EXTS) {
3368	warn "... unloading $pkg";
3369
3370	if (my $cb = $pkg->can ("unload")) {
3371	eval {
3372	$cb->($pkg);
3373	1
3374	} or warn "$pkg unloaded, but with errors: $@";
3375	}	3749	}
3376		3750
3377	warn "... nuking $pkg";	3751	warn "cancelling all extension coros";
3378	Symbol::delete_package $pkg;	3752	$_->cancel for values %EXT_CORO;
3379	}	3753	%EXT_CORO = ();
3380		3754
3381	warn "unloading all perl modules loaded from $LIBDIR";	3755	warn "removing commands";
3382	while (my ($k, $v) = each %INC) {	3756	%COMMAND = ();
3383	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3384		3757
		3758	warn "removing ext/exti commands";
		3759	%EXTCMD = ();
		3760	%EXTICMD = ();
		3761
		3762	warn "unloading/nuking all extensions";
		3763	for my $pkg (@EXTS) {
3385	warn "... unloading $k";	3764	warn "... unloading $pkg";
3386	delete $INC{$k};
3387		3765
3388	$k =~ s/\.pm$//;
3389	$k =~ s/\//::/g;
3390
3391	if (my $cb = $k->can ("unload_module")) {	3766	if (my $cb = $pkg->can ("unload")) {
		3767	eval {
3392	$cb->();	3768	$cb->($pkg);
		3769	1
		3770	} or warn "$pkg unloaded, but with errors: $@";
		3771	}
		3772
		3773	warn "... clearing $pkg";
		3774	clear_package $pkg;
3393	}	3775	}
3394		3776
3395	Symbol::delete_package $k;	3777	warn "unloading all perl modules loaded from $LIBDIR";
		3778	while (my ($k, $v) = each %INC) {
		3779	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3780
		3781	warn "... unloading $k";
		3782	delete $INC{$k};
		3783
		3784	$k =~ s/\.pm$//;
		3785	$k =~ s/\//::/g;
		3786
		3787	if (my $cb = $k->can ("unload_module")) {
		3788	$cb->();
		3789	}
		3790
		3791	clear_package $k;
3396	}	3792	}
3397		3793
3398	warn "getting rid of safe::, as good as possible";	3794	warn "getting rid of safe::, as good as possible";
3399	Symbol::delete_package "safe::$_"	3795	clear_package "safe::$_"
3400	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3796	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3401		3797
3402	warn "unloading cf.pm \"a bit\"";	3798	warn "unloading cf.pm \"a bit\"";
3403	delete $INC{"cf.pm"};	3799	delete $INC{"cf.pm"};
3404	delete $INC{"cf/pod.pm"};	3800	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3405		3801
3406	# don't, removes xs symbols, too,	3802	# don't, removes xs symbols, too,
3407	# and global variables created in xs	3803	# and global variables created in xs
3408	#Symbol::delete_package __PACKAGE__;	3804	#clear_package __PACKAGE__;
3409		3805
3410	warn "unload completed, starting to reload now";	3806	warn "unload completed, starting to reload now";
3411		3807
3412	warn "reloading cf.pm";	3808	warn "reloading cf.pm";
3413	require cf;	3809	require cf;
3414	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3810	cf::_connect_to_perl_1;
3415		3811
3416	warn "loading config and database again";	3812	warn "loading config and database again";
3417	cf::reload_config;	3813	cf::reload_config;
3418		3814
3419	warn "loading extensions";	3815	warn "loading extensions";
3420	cf::load_extensions;	3816	cf::load_extensions;
3421		3817
		3818	if ($REATTACH_ON_RELOAD) {
3422	warn "reattaching attachments to objects/players";	3819	warn "reattaching attachments to objects/players";
3423	_global_reattach; # objects, sockets	3820	_global_reattach; # objects, sockets
3424	warn "reattaching attachments to maps";	3821	warn "reattaching attachments to maps";
3425	reattach $_ for values %MAP;	3822	reattach $_ for values %MAP;
3426	warn "reattaching attachments to players";	3823	warn "reattaching attachments to players";
3427	reattach $_ for values %PLAYER;	3824	reattach $_ for values %PLAYER;
		3825	}
3428		3826
		3827	warn "running post_init jobs";
		3828	(pop @POST_INIT)->(1) while @POST_INIT;
		3829
3429	warn "leaving sync_job";	3830	warn "leaving sync_job";
3430		3831
3431	1	3832	1
3432	} or do {	3833	} or do {
3433	warn $@;	3834	warn $@;
3434	warn "error while reloading, exiting.";	3835	cf::cleanup "error while reloading, exiting.";
3435	exit 1;
3436	};	3836	};
3437		3837
3438	warn "reloaded";	3838	warn "reloaded";
		3839	--$RELOAD;
		3840	}
		3841
		3842	$t1 = EV::time - $t1;
		3843	warn "reload completed in ${t1}s\n";
3439	};	3844	};
3440		3845
3441	our $RELOAD_WATCHER; # used only during reload	3846	our $RELOAD_WATCHER; # used only during reload
3442		3847
3443	sub reload_perl() {	3848	sub reload_perl() {
3444	# doing reload synchronously and two reloads happen back-to-back,	3849	# doing reload synchronously and two reloads happen back-to-back,
3445	# coro crashes during coro_state_free->destroy here.	3850	# coro crashes during coro_state_free->destroy here.
3446		3851
3447	$RELOAD_WATCHER ||= Event->timer (	3852	$RELOAD_WATCHER ||= cf::async {
3448	reentrant => 0,	3853	Coro::AIO::aio_wait cache_extensions;
3449	after => 0,	3854
3450	data => WF_AUTOCANCEL,	3855	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3451	cb => sub {
3452	do_reload_perl;	3856	do_reload_perl;
3453	undef $RELOAD_WATCHER;	3857	undef $RELOAD_WATCHER;
3454	},	3858	};
3455	);	3859	};
3456	}	3860	}
3457		3861
3458	register_command "reload" => sub {	3862	register_command "reload" => sub {
3459	my ($who, $arg) = @_;	3863	my ($who, $arg) = @_;
3460		3864
…		…
3473		3877
3474	our @WAIT_FOR_TICK;	3878	our @WAIT_FOR_TICK;
3475	our @WAIT_FOR_TICK_BEGIN;	3879	our @WAIT_FOR_TICK_BEGIN;
3476		3880
3477	sub wait_for_tick {	3881	sub wait_for_tick {
3478	return unless $TICK_WATCHER->is_active;
3479	return if $Coro::current == $Coro::main;	3882	return if tick_inhibit || $Coro::current == $Coro::main;
3480		3883
3481	my $signal = new Coro::Signal;	3884	my $signal = new Coro::Signal;
3482	push @WAIT_FOR_TICK, $signal;	3885	push @WAIT_FOR_TICK, $signal;
3483	$signal->wait;	3886	$signal->wait;
3484	}	3887	}
3485		3888
3486	sub wait_for_tick_begin {	3889	sub wait_for_tick_begin {
3487	return unless $TICK_WATCHER->is_active;
3488	return if $Coro::current == $Coro::main;	3890	return if tick_inhibit || $Coro::current == $Coro::main;
3489		3891
3490	my $signal = new Coro::Signal;	3892	my $signal = new Coro::Signal;
3491	push @WAIT_FOR_TICK_BEGIN, $signal;	3893	push @WAIT_FOR_TICK_BEGIN, $signal;
3492	$signal->wait;	3894	$signal->wait;
3493	}	3895	}
3494		3896
3495	$TICK_WATCHER = Event->timer (	3897	sub tick {
3496	reentrant => 0,
3497	parked => 1,
3498	prio => 0,
3499	at => $NEXT_TICK || $TICK,
3500	data => WF_AUTOCANCEL,
3501	cb => sub {
3502	if ($Coro::current != $Coro::main) {	3898	if ($Coro::current != $Coro::main) {
3503	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3899	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3504	unless ++$bug_warning > 10;	3900	unless ++$bug_warning > 10;
3505	return;	3901	return;
3506	}	3902	}
3507		3903
3508	$NOW = $tick_start = Event::time;
3509
3510	cf::server_tick; # one server iteration	3904	cf::server_tick; # one server iteration
3511		3905
3512	$RUNTIME += $TICK;
3513	$NEXT_TICK += $TICK;
3514
3515	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3906	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3516	$NEXT_RUNTIME_WRITE = $NOW + 10;	3907	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3517	Coro::async_pool {	3908	Coro::async_pool {
3518	$Coro::current->{desc} = "runtime saver";	3909	$Coro::current->{desc} = "runtime saver";
3519	write_runtime	3910	write_runtime_sync
3520	or warn "ERROR: unable to write runtime file: $!";	3911	or warn "ERROR: unable to write runtime file: $!";
3521	};
3522	}	3912	};
		3913	}
3523		3914
3524	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3915	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3525	$sig->send;	3916	$sig->send;
3526	}	3917	}
3527	while (my $sig = shift @WAIT_FOR_TICK) {	3918	while (my $sig = shift @WAIT_FOR_TICK) {
3528	$sig->send;	3919	$sig->send;
3529	}	3920	}
3530		3921
3531	$NOW = Event::time;	3922	$LOAD = ($NOW - $TICK_START) / $TICK;
3532
3533	# if we are delayed by four ticks or more, skip them all
3534	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3535
3536	$TICK_WATCHER->at ($NEXT_TICK);
3537	$TICK_WATCHER->start;
3538
3539	$LOAD = ($NOW - $tick_start) / $TICK;
3540	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3923	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3541		3924
3542	_post_tick;	3925	if (0) {
		3926	if ($NEXT_TICK) {
		3927	my $jitter = $TICK_START - $NEXT_TICK;
		3928	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3929	warn "jitter $JITTER\n";#d#
		3930	}
3543	},	3931	}
3544	);	3932	}
3545		3933
3546	{	3934	{
		3935	# configure BDB
		3936
3547	BDB::min_parallel 8;	3937	BDB::min_parallel 8;
3548	BDB::max_poll_time $TICK * 0.1;	3938	BDB::max_poll_reqs $TICK * 0.1;
3549	$BDB_POLL_WATCHER = Event->io (	3939	$AnyEvent::BDB::WATCHER->priority (1);
3550	reentrant => 0,
3551	fd => BDB::poll_fileno,
3552	poll => 'r',
3553	prio => 0,
3554	data => WF_AUTOCANCEL,
3555	cb => \&BDB::poll_cb,
3556	);
3557
3558	BDB::set_sync_prepare {
3559	my $status;
3560	my $current = $Coro::current;
3561	(
3562	sub {
3563	$status = $!;
3564	$current->ready; undef $current;
3565	},
3566	sub {
3567	Coro::schedule while defined $current;
3568	$! = $status;
3569	},
3570	)
3571	};
3572		3940
3573	unless ($DB_ENV) {	3941	unless ($DB_ENV) {
3574	$DB_ENV = BDB::db_env_create;	3942	$DB_ENV = BDB::db_env_create;
3575	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	3943	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3576	| BDB::LOG_AUTOREMOVE, 1);	3944	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3945	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3577	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	3946	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3578	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	3947	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3579		3948
3580	cf::sync_job {	3949	cf::sync_job {
3581	eval {	3950	eval {
…		…
3591		3960
3592	cf::cleanup "db_env_open(db): $@" if $@;	3961	cf::cleanup "db_env_open(db): $@" if $@;
3593	};	3962	};
3594	}	3963	}
3595		3964
3596	$BDB_DEADLOCK_WATCHER = Event->timer (	3965	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3597	after => 3,
3598	interval => 1,
3599	hard => 1,
3600	prio => 0,
3601	data => WF_AUTOCANCEL,
3602	cb => sub {
3603	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };	3966	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3604	},
3605	);	3967	};
3606	$BDB_CHECKPOINT_WATCHER = Event->timer (	3968	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3607	after => 11,
3608	interval => 60,
3609	hard => 1,
3610	prio => 0,
3611	data => WF_AUTOCANCEL,
3612	cb => sub {
3613	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	3969	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3614	},
3615	);	3970	};
3616	$BDB_TRICKLE_WATCHER = Event->timer (	3971	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3617	after => 5,
3618	interval => 10,
3619	hard => 1,
3620	prio => 0,
3621	data => WF_AUTOCANCEL,
3622	cb => sub {
3623	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	3972	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3624	},
3625	);	3973	};
3626	}	3974	}
3627		3975
3628	{	3976	{
		3977	# configure IO::AIO
		3978
3629	IO::AIO::min_parallel 8;	3979	IO::AIO::min_parallel 8;
3630
3631	undef $Coro::AIO::WATCHER;
3632	IO::AIO::max_poll_time $TICK * 0.1;	3980	IO::AIO::max_poll_time $TICK * 0.1;
3633	$AIO_POLL_WATCHER = Event->io (	3981	undef $AnyEvent::AIO::WATCHER;
3634	reentrant => 0,
3635	data => WF_AUTOCANCEL,
3636	fd => IO::AIO::poll_fileno,
3637	poll => 'r',
3638	prio => 0,
3639	cb => \&IO::AIO::poll_cb,
3640	);
3641	}	3982	}
3642		3983
3643	my $_log_backtrace;	3984	my $_log_backtrace;
3644		3985
3645	sub _log_backtrace {	3986	sub _log_backtrace {
…		…
3648	$msg =~ s/\n//;	3989	$msg =~ s/\n//;
3649		3990
3650	# limit the # of concurrent backtraces	3991	# limit the # of concurrent backtraces
3651	if ($_log_backtrace < 2) {	3992	if ($_log_backtrace < 2) {
3652	++$_log_backtrace;	3993	++$_log_backtrace;
		3994	my $perl_bt = Carp::longmess $msg;
3653	async {	3995	async {
3654	$Coro::current->{desc} = "abt $msg";	3996	$Coro::current->{desc} = "abt $msg";
3655		3997
3656	my @bt = fork_call {	3998	my @bt = fork_call {
3657	@addr = map { sprintf "%x", $_ } @addr;	3999	@addr = map { sprintf "%x", $_ } @addr;
…		…
3668	}	4010	}
3669		4011
3670	@funcs	4012	@funcs
3671	};	4013	};
3672		4014
3673	LOG llevInfo, "[ABT] $msg\n";	4015	LOG llevInfo, "[ABT] $perl_bt\n";
		4016	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3674	LOG llevInfo, "[ABT] $_\n" for @bt;	4017	LOG llevInfo, "[ABT] $_\n" for @bt;
3675	--$_log_backtrace;	4018	--$_log_backtrace;
3676	};	4019	};
3677	} else {	4020	} else {
3678	LOG llevInfo, "[ABT] $msg\n";	4021	LOG llevInfo, "[ABT] $msg\n";
3679	LOG llevInfo, "[ABT] [suppressed]\n";	4022	LOG llevInfo, "[ABT] [suppressed]\n";
3680	}	4023	}
3681	}	4024	}
3682		4025
3683	# load additional modules	4026	# load additional modules
3684	use cf::pod;	4027	require "cf/$_.pm" for @EXTRA_MODULES;
		4028	cf::_connect_to_perl_2;
3685		4029
3686	END { cf::emergency_save }	4030	END { cf::emergency_save }
3687		4031
3688	1	4032	1
3689		4033

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