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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.383 by root, Thu Oct 11 21:09:29 2007 UTC vs.
Revision 1.486 by root, Thu Oct 15 21:56:50 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 Storable;	32	use EV;
10	use Event;
11	use Opcode;	33	use Opcode;
12	use Safe;	34	use Safe;
13	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
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
…		…
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 | logBacktrace, 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	local $Storable::canonical = 1;	1108	++$SLOW_MERGES;#d#
977	my $fob1 = Storable::freeze $ob1;
978	my $fob2 = Storable::freeze $ob2;
979		1109
980	$fob1 eq $fob2	1110	# we do the slow way here
		1111	return _object_equal $ob1, $ob2
981	}	1112	}
982		1113
983	sub reattach {	1114	sub reattach {
984	# basically do the same as instantiate, without calling instantiate	1115	# basically do the same as instantiate, without calling instantiate
985	my ($obj) = @_;	1116	my ($obj) = @_;
986		1117
		1118	# no longer needed after getting rid of delete_package?
987	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
988		1120
989	my $registry = $obj->registry;	1121	my $registry = $obj->registry;
990		1122
991	@$registry = ();	1123	@$registry = ();
992		1124
…		…
1007	cf::attachable->attach (	1139	cf::attachable->attach (
1008	prio => -1000000,	1140	prio => -1000000,
1009	on_instantiate => sub {	1141	on_instantiate => sub {
1010	my ($obj, $data) = @_;	1142	my ($obj, $data) = @_;
1011		1143
1012	$data = from_json $data;	1144	$data = decode_json $data;
1013		1145
1014	for (@$data) {	1146	for (@$data) {
1015	my ($name, $args) = @$_;	1147	my ($name, $args) = @$_;
1016		1148
1017	$obj->attach ($name, %{$args || {} });	1149	$obj->attach ($name, %{$args || {} });
…		…
1038	utf8::decode (my $decname = $filename);	1170	utf8::decode (my $decname = $filename);
1039	warn sprintf "saving %s (%d,%d)\n",	1171	warn sprintf "saving %s (%d,%d)\n",
1040	$decname, length $$rdata, scalar @$objs;	1172	$decname, length $$rdata, scalar @$objs;
1041		1173
1042	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1174	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1043	chmod SAVE_MODE, $fh;	1175	aio_chmod $fh, SAVE_MODE;
1044	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1176	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1045	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	}
1046	close $fh;	1181	aio_close $fh;
1047		1182
1048	if (@$objs) {	1183	if (@$objs) {
1049	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) {
1050	chmod SAVE_MODE, $fh;	1185	aio_chmod $fh, SAVE_MODE;
1051	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1186	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1052	aio_write $fh, 0, (length $data), $data, 0;	1187	aio_write $fh, 0, (length $data), $data, 0;
1053	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	}
1054	close $fh;	1192	aio_close $fh;
1055	aio_rename "$filename.pst~", "$filename.pst";	1193	aio_rename "$filename.pst~", "$filename.pst";
1056	}	1194	}
1057	} else {	1195	} else {
1058	aio_unlink "$filename.pst";	1196	aio_unlink "$filename.pst";
1059	}	1197	}
1060		1198
1061	aio_rename "$filename~", $filename;	1199	aio_rename "$filename~", $filename;
		1200
		1201	$filename =~ s%/[^/]+$%%;
		1202	aio_pathsync $filename if $cf::USE_FSYNC;
1062	} else {	1203	} else {
1063	warn "FATAL: $filename~: $!\n";	1204	warn "unable to save objects: $filename~: $!\n";
1064	}	1205	}
1065	} else {	1206	} else {
1066	aio_unlink $filename;	1207	aio_unlink $filename;
1067	aio_unlink "$filename.pst";	1208	aio_unlink "$filename.pst";
1068	}	1209	}
…		…
1087		1228
1088	unless (aio_stat "$filename.pst") {	1229	unless (aio_stat "$filename.pst") {
1089	(aio_load "$filename.pst", $av) >= 0	1230	(aio_load "$filename.pst", $av) >= 0
1090	or return;	1231	or return;
1091		1232
1092	my $st = eval { Coro::Storable::thaw $av }	1233	my $st = eval { Coro::Storable::thaw $av };
1093	|| eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
1094	$av = $st->{objs};	1234	$av = $st->{objs};
1095	}	1235	}
1096		1236
1097	utf8::decode (my $decname = $filename);	1237	utf8::decode (my $decname = $filename);
1098	warn sprintf "loading %s (%d,%d)\n",	1238	warn sprintf "loading %s (%d,%d)\n",
…		…
1160	my ($name, $cb) = @_;	1300	my ($name, $cb) = @_;
1161		1301
1162	$EXTICMD{$name} = $cb;	1302	$EXTICMD{$name} = $cb;
1163	}	1303	}
1164		1304
		1305	use File::Glob ();
		1306
1165	cf::player->attach (	1307	cf::player->attach (
1166	on_command => sub {	1308	on_command => sub {
1167	my ($pl, $name, $params) = @_;	1309	my ($pl, $name, $params) = @_;
1168		1310
1169	my $cb = $COMMAND{$name}	1311	my $cb = $COMMAND{$name}
…		…
1201		1343
1202	cf::override;	1344	cf::override;
1203	},	1345	},
1204	);	1346	);
1205		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
1206	sub load_extensions {	1361	sub load_extensions {
1207	cf::sync_job {	1362	cf::sync_job {
1208	my %todo;	1363	my %todo;
1209		1364
1210	for my $path (<$LIBDIR/*.ext>) {	1365	for my $path (<$LIBDIR/*.ext>) {
…		…
1229		1384
1230	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1385	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1231	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1386	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1232		1387
1233	$ext{source} =	1388	$ext{source} =
1234	"package $pkg; use strict; use utf8;\n"	1389	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1235	. "#line 1 \"$path\"\n{\n"	1390	. "#line 1 \"$path\"\n{\n"
1236	. $source	1391	. $source
1237	. "\n};\n1";	1392	. "\n};\n1";
1238		1393
1239	$todo{$base} = \%ext;	1394	$todo{$base} = \%ext;
…		…
1255	my $msg = $@ ? "$v->{path}: $@\n"	1410	my $msg = $@ ? "$v->{path}: $@\n"
1256	: "$v->{base}: extension inactive.\n";	1411	: "$v->{base}: extension inactive.\n";
1257		1412
1258	if (exists $v->{meta}{mandatory}) {	1413	if (exists $v->{meta}{mandatory}) {
1259	warn $msg;	1414	warn $msg;
1260	warn "mandatory extension failed to load, exiting.\n";	1415	cf::cleanup "mandatory extension failed to load, exiting.";
1261	exit 1;
1262	}	1416	}
1263		1417
1264	warn $msg;	1418	warn $msg;
1265	}	1419	}
1266		1420
…		…
1280		1434
1281	=back	1435	=back
1282		1436
1283	=head2 CORE EXTENSIONS	1437	=head2 CORE EXTENSIONS
1284		1438
1285	Functions and methods that extend core crossfire objects.	1439	Functions and methods that extend core deliantra objects.
1286		1440
1287	=cut	1441	=cut
1288		1442
1289	package cf::player;	1443	package cf::player;
1290		1444
…		…
1333		1487
1334	sub exists($) {	1488	sub exists($) {
1335	my ($login) = @_;	1489	my ($login) = @_;
1336		1490
1337	$cf::PLAYER{$login}	1491	$cf::PLAYER{$login}
1338	or cf::sync_job { !aio_stat path $login }	1492	or !aio_stat path $login
1339	}	1493	}
1340		1494
1341	sub find($) {	1495	sub find($) {
1342	return $cf::PLAYER{$_[0]} || do {	1496	return $cf::PLAYER{$_[0]} || do {
1343	my $login = $_[0];	1497	my $login = $_[0];
…		…
1355	my $f = new_from_file cf::object::thawer path $login	1509	my $f = new_from_file cf::object::thawer path $login
1356	or return;	1510	or return;
1357		1511
1358	my $pl = cf::player::load_pl $f	1512	my $pl = cf::player::load_pl $f
1359	or return;	1513	or return;
		1514
1360	local $cf::PLAYER_LOADING{$login} = $pl;	1515	local $cf::PLAYER_LOADING{$login} = $pl;
1361	$f->resolve_delayed_derefs;	1516	$f->resolve_delayed_derefs;
1362	$cf::PLAYER{$login} = $pl	1517	$cf::PLAYER{$login} = $pl
1363	}	1518	}
1364	}	1519	}
…		…
1374		1529
1375	return if $pl->{deny_save};	1530	return if $pl->{deny_save};
1376		1531
1377	aio_mkdir playerdir $pl, 0770;	1532	aio_mkdir playerdir $pl, 0770;
1378	$pl->{last_save} = $cf::RUNTIME;	1533	$pl->{last_save} = $cf::RUNTIME;
		1534
		1535	cf::get_slot 0.01;
1379		1536
1380	$pl->save_pl ($path);	1537	$pl->save_pl ($path);
1381	cf::cede_to_tick;	1538	cf::cede_to_tick;
1382	}	1539	}
1383		1540
…		…
1415	my ($pl) = @_;	1572	my ($pl) = @_;
1416		1573
1417	my $name = $pl->ob->name;	1574	my $name = $pl->ob->name;
1418		1575
1419	$pl->{deny_save} = 1;	1576	$pl->{deny_save} = 1;
1420	$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
1421		1578
1422	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1579	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1423	$pl->deactivate;	1580	$pl->deactivate;
		1581	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1582	$pl->ob->check_score;
1424	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1583	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1425	$pl->ns->destroy if $pl->ns;	1584	$pl->ns->destroy if $pl->ns;
1426		1585
1427	my $path = playerdir $pl;	1586	my $path = playerdir $pl;
1428	my $temp = "$path~$cf::RUNTIME~deleting~";	1587	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1467		1626
1468	for my $login (@$dirs) {	1627	for my $login (@$dirs) {
1469	my $path = path $login;	1628	my $path = path $login;
1470		1629
1471	# a .pst is a dead give-away for a valid player	1630	# a .pst is a dead give-away for a valid player
1472	unless (-e "$path.pst") {	1631	# if no pst file found, open and chekc for blocked users
		1632	if (aio_stat "$path.pst") {
1473	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1633	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1474	aio_read $fh, 0, 512, my $buf, 0 or next;	1634	aio_read $fh, 0, 512, my $buf, 0 or next;
1475	$buf !~ /^password -------------$/m or next; # official not-valid tag	1635	$buf !~ /^password -------------$/m or next; # official not-valid tag
1476	}	1636	}
1477		1637
…		…
1508	}	1668	}
1509		1669
1510	\@paths	1670	\@paths
1511	}	1671	}
1512		1672
1513	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1673	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1514		1674
1515	Expand crossfire pod fragments into protocol xml.	1675	Expand deliantra pod fragments into protocol xml.
1516
1517	=cut
1518
1519	sub expand_cfpod {
1520	((my $self), (local $_)) = @_;
1521
1522	# escape & and <
1523	s/&/&amp;/g;
1524	s/(?<![BIUGHT])</&lt;/g;
1525
1526	# this is buggy, it needs to properly take care of nested <'s
1527
1528	1 while
1529	# replace B<>, I<>, U<> etc.
1530	s/B<([^\>]*)>/<b>$1<\/b>/
1531	|| s/I<([^\>]*)>/<i>$1<\/i>/
1532	|| s/U<([^\>]*)>/<u>$1<\/u>/
1533	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1534	# replace G<male|female> tags
1535	|| s{G<([^>|]*)\|([^>]*)>}{
1536	$self->gender ? $2 : $1
1537	}ge
1538	# replace H<hint text>
1539	|| s{H<([^\>]*)>}
1540	{
1541	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1542	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1543	"")
1544	[$self->{hintmode}]
1545	}ge;
1546
1547	# create single paragraphs (very hackish)
1548	s/(?<=\S)\n(?=\w)/ /g;
1549
1550	# compress some whitespace
1551	s/\s+\n/\n/g; # ws line-ends
1552	s/\n\n+/\n/g; # double lines
1553	s/^\n+//; # beginning lines
1554	s/\n+$//; # ending lines
1555
1556	$_
1557	}
1558
1559	sub hintmode {
1560	$_[0]{hintmode} = $_[1] if @_ > 1;
1561	$_[0]{hintmode}
1562	}
1563		1676
1564	=item $player->ext_reply ($msgid, @msg)	1677	=item $player->ext_reply ($msgid, @msg)
1565		1678
1566	Sends an ext reply to the player.	1679	Sends an ext reply to the player.
1567		1680
…		…
1634	our $MAX_RESET = 3600;	1747	our $MAX_RESET = 3600;
1635	our $DEFAULT_RESET = 3000;	1748	our $DEFAULT_RESET = 3000;
1636		1749
1637	sub generate_random_map {	1750	sub generate_random_map {
1638	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
1639	# mit "rum" bekleckern, nicht	1755	# mit "rum" bekleckern, nicht
1640	$self->_create_random_map (	1756	$self->_create_random_map (
1641	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1757	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1642	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1758	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1643	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1759	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1765		1881
1766	# the temporary/swap location	1882	# the temporary/swap location
1767	sub save_path {	1883	sub save_path {
1768	my ($self) = @_;	1884	my ($self) = @_;
1769		1885
1770	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1886	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1771	"$TMPDIR/$path.map"	1887	"$TMPDIR/$path.map"
1772	}	1888	}
1773		1889
1774	# the unique path, undef == no special unique path	1890	# the unique path, undef == no special unique path
1775	sub uniq_path {	1891	sub uniq_path {
1776	my ($self) = @_;	1892	my ($self) = @_;
1777		1893
1778	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1894	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1779	"$UNIQUEDIR/$path"	1895	"$UNIQUEDIR/$path"
1780	}
1781
1782	# and all this just because we cannot iterate over
1783	# all maps in C++...
1784	sub change_all_map_light {
1785	my ($change) = @_;
1786
1787	$_->change_map_light ($change)
1788	for grep $_->outdoor, values %cf::MAP;
1789	}	1896	}
1790		1897
1791	sub decay_objects {	1898	sub decay_objects {
1792	my ($self) = @_;	1899	my ($self) = @_;
1793		1900
…		…
1877	sub find {	1984	sub find {
1878	my ($path, $origin) = @_;	1985	my ($path, $origin) = @_;
1879		1986
1880	$path = normalise $path, $origin && $origin->path;	1987	$path = normalise $path, $origin && $origin->path;
1881		1988
1882	cf::lock_wait "map_data:$path";#d#remove	1989	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1883	cf::lock_wait "map_find:$path";	1990	my $guard2 = cf::lock_acquire "map_find:$path";
1884		1991
1885	$cf::MAP{$path} || do {	1992	$cf::MAP{$path} || do {
1886	my $guard1 = cf::lock_acquire "map_find:$path";
1887	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1888
1889	my $map = new_from_path cf::map $path	1993	my $map = new_from_path cf::map $path
1890	or return;	1994	or return;
1891		1995
1892	$map->{last_save} = $cf::RUNTIME;	1996	$map->{last_save} = $cf::RUNTIME;
1893		1997
…		…
1895	or return;	1999	or return;
1896		2000
1897	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2001	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1898	# doing this can freeze the server in a sync job, obviously	2002	# doing this can freeze the server in a sync job, obviously
1899	#$cf::WAIT_FOR_TICK->wait;	2003	#$cf::WAIT_FOR_TICK->wait;
		2004	undef $guard2;
1900	undef $guard1;	2005	undef $guard1;
1901	undef $guard2;
1902	$map->reset;	2006	$map->reset;
1903	return find $path;	2007	return find $path;
1904	}	2008	}
1905		2009
1906	$cf::MAP{$path} = $map	2010	$cf::MAP{$path} = $map
…		…
1933	my $f = new_from_file cf::object::thawer $self->{load_path};	2037	my $f = new_from_file cf::object::thawer $self->{load_path};
1934	$f->skip_block;	2038	$f->skip_block;
1935	$self->_load_objects ($f)	2039	$self->_load_objects ($f)
1936	or return;	2040	or return;
1937		2041
1938	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2042	$self->post_load_original
1939	if delete $self->{load_original};	2043	if delete $self->{load_original};
1940		2044
1941	if (my $uniq = $self->uniq_path) {	2045	if (my $uniq = $self->uniq_path) {
1942	utf8::encode $uniq;	2046	utf8::encode $uniq;
1943	unless (aio_stat $uniq) {	2047	unless (aio_stat $uniq) {
…		…
1961	unless ($self->{deny_activate}) {	2065	unless ($self->{deny_activate}) {
1962	$self->decay_objects;	2066	$self->decay_objects;
1963	$self->fix_auto_apply;	2067	$self->fix_auto_apply;
1964	$self->update_buttons;	2068	$self->update_buttons;
1965	cf::cede_to_tick;	2069	cf::cede_to_tick;
1966	$self->set_darkness_map;
1967	cf::cede_to_tick;
1968	$self->activate;	2070	$self->activate;
1969	}	2071	}
1970		2072
1971	$self->{last_save} = $cf::RUNTIME;	2073	$self->{last_save} = $cf::RUNTIME;
1972	$self->last_access ($cf::RUNTIME);	2074	$self->last_access ($cf::RUNTIME);
1973		2075
1974	$self->in_memory (cf::MAP_IN_MEMORY);	2076	$self->in_memory (cf::MAP_ACTIVE);
1975	}	2077	}
1976		2078
1977	$self->post_load;	2079	$self->post_load;
1978	}	2080	}
1979		2081
…		…
2037	my ($path, $origin, $load) = @_;	2139	my ($path, $origin, $load) = @_;
2038		2140
2039	$path = normalise $path, $origin && $origin->{path};	2141	$path = normalise $path, $origin && $origin->{path};
2040		2142
2041	if (my $map = $cf::MAP{$path}) {	2143	if (my $map = $cf::MAP{$path}) {
2042	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2144	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2043	}	2145	}
2044		2146
2045	$MAP_PREFETCH{$path} |= $load;	2147	$MAP_PREFETCH{$path} |= $load;
2046		2148
2047	$MAP_PREFETCHER ||= cf::async {	2149	$MAP_PREFETCHER ||= cf::async {
…		…
2084	cf::async {	2186	cf::async {
2085	$Coro::current->{desc} = "map player save";	2187	$Coro::current->{desc} = "map player save";
2086	$_->contr->save for $self->players;	2188	$_->contr->save for $self->players;
2087	};	2189	};
2088		2190
		2191	cf::get_slot 0.02;
		2192
2089	if ($uniq) {	2193	if ($uniq) {
2090	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2194	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2091	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2195	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2092	} else {	2196	} else {
2093	$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);
…		…
2101	$self->save;	2205	$self->save;
2102		2206
2103	my $lock = cf::lock_acquire "map_data:$self->{path}";	2207	my $lock = cf::lock_acquire "map_data:$self->{path}";
2104		2208
2105	return if $self->players;	2209	return if $self->players;
2106	return if $self->in_memory != cf::MAP_IN_MEMORY;	2210	return if $self->in_memory != cf::MAP_ACTIVE;
2107	return if $self->{deny_save};	2211	return if $self->{deny_save};
2108		2212
2109	$self->in_memory (cf::MAP_SWAPPED);	2213	$self->in_memory (cf::MAP_SWAPPED);
2110		2214
2111	$self->deactivate;	2215	$self->deactivate;
…		…
2136		2240
2137	my $lock = cf::lock_acquire "map_data:$self->{path}";	2241	my $lock = cf::lock_acquire "map_data:$self->{path}";
2138		2242
2139	return if $self->players;	2243	return if $self->players;
2140		2244
2141	warn "resetting map ", $self->path;	2245	warn "resetting map ", $self->path, "\n";
2142		2246
2143	$self->in_memory (cf::MAP_SWAPPED);	2247	$self->in_memory (cf::MAP_SWAPPED);
2144		2248
2145	# need to save uniques path	2249	# need to save uniques path
2146	unless ($self->{deny_save}) {	2250	unless ($self->{deny_save}) {
…		…
2229		2333
2230	sub unique_maps() {	2334	sub unique_maps() {
2231	[	2335	[
2232	map {	2336	map {
2233	utf8::decode $_;	2337	utf8::decode $_;
2234	/\.map$/	2338	s/\.map$//; # TODO future compatibility hack
		2339	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2340	? ()
2235	? normalise $_	2341	: normalise $_
2236	: ()
2237	} @{ aio_readdir $UNIQUEDIR or [] }	2342	} @{ aio_readdir $UNIQUEDIR or [] }
2238	]	2343	]
2239	}	2344	}
2240		2345
2241	package cf;
2242
2243	=back	2346	=back
2244		2347
2245	=head3 cf::object	2348	=head3 cf::object
2246		2349
2247	=cut	2350	=cut
…		…
2250		2353
2251	=over 4	2354	=over 4
2252		2355
2253	=item $ob->inv_recursive	2356	=item $ob->inv_recursive
2254		2357
2255	Returns the inventory of the object _and_ their inventories, recursively.	2358	Returns the inventory of the object I<and> their inventories, recursively,
		2359	but I<not> the object itself.
2256		2360
2257	=cut	2361	=cut
2258		2362
2259	sub inv_recursive_;	2363	sub inv_recursive_;
2260	sub inv_recursive_ {	2364	sub inv_recursive_ {
…		…
2265	inv_recursive_ inv $_[0]	2369	inv_recursive_ inv $_[0]
2266	}	2370	}
2267		2371
2268	=item $ref = $ob->ref	2372	=item $ref = $ob->ref
2269		2373
2270	creates and returns a persistent reference to an objetc that can be stored as a string.	2374	Creates and returns a persistent reference to an object that can be stored as a string.
2271		2375
2272	=item $ob = cf::object::deref ($refstring)	2376	=item $ob = cf::object::deref ($refstring)
2273		2377
2274	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2378	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2275	even if the object actually exists. May block.	2379	even if the object actually exists. May block.
…		…
2307	can be C<undef>. Does the right thing when the player is currently in a	2411	can be C<undef>. Does the right thing when the player is currently in a
2308	dialogue with the given NPC character.	2412	dialogue with the given NPC character.
2309		2413
2310	=cut	2414	=cut
2311		2415
		2416	our $SAY_CHANNEL = {
		2417	id => "say",
		2418	title => "Map",
		2419	reply => "say ",
		2420	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2421	};
		2422
		2423	our $CHAT_CHANNEL = {
		2424	id => "chat",
		2425	title => "Chat",
		2426	reply => "chat ",
		2427	tooltip => "Player chat and shouts, global to the server.",
		2428	};
		2429
2312	# rough implementation of a future "reply" method that works	2430	# rough implementation of a future "reply" method that works
2313	# with dialog boxes.	2431	# with dialog boxes.
2314	#TODO: the first argument must go, split into a $npc->reply_to ( method	2432	#TODO: the first argument must go, split into a $npc->reply_to ( method
2315	sub cf::object::player::reply($$$;$) {	2433	sub cf::object::player::reply($$$;$) {
2316	my ($self, $npc, $msg, $flags) = @_;	2434	my ($self, $npc, $msg, $flags) = @_;
…		…
2327	my $dialog = $pl->{npc_dialog};	2445	my $dialog = $pl->{npc_dialog};
2328	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2446	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2329		2447
2330	} else {	2448	} else {
2331	$msg = $npc->name . " says: $msg" if $npc;	2449	$msg = $npc->name . " says: $msg" if $npc;
2332	$self->message ($msg, $flags);	2450	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2333	}	2451	}
2334	}	2452	}
2335	}	2453	}
2336		2454
2337	=item $object->send_msg ($channel, $msg, $color, [extra...])	2455	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2362		2480
2363	=item $player_object->enter_link	2481	=item $player_object->enter_link
2364		2482
2365	Freezes the player and moves him/her to a special map (C<{link}>).	2483	Freezes the player and moves him/her to a special map (C<{link}>).
2366		2484
2367	The player should be reasonably safe there for short amounts of time. You	2485	The player should be reasonably safe there for short amounts of time (e.g.
2368	I<MUST> call C<leave_link> as soon as possible, though.	2486	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2487	though, as the palyer cannot control the character while it is on the link
		2488	map.
2369		2489
2370	Will never block.	2490	Will never block.
2371		2491
2372	=item $player_object->leave_link ($map, $x, $y)	2492	=item $player_object->leave_link ($map, $x, $y)
2373		2493
…		…
2431		2551
2432	$map->load;	2552	$map->load;
2433	$map->load_neighbours;	2553	$map->load_neighbours;
2434		2554
2435	return unless $self->contr->active;	2555	return unless $self->contr->active;
2436	$self->activate_recursive;
2437		2556
2438	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2557	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2439	$self->enter_map ($map, $x, $y);	2558	$self->enter_map ($map, $x, $y);
		2559
		2560	# only activate afterwards, to support waiting in hooks
		2561	$self->activate_recursive;
2440	}	2562	}
2441		2563
2442	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2564	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2443		2565
2444	Moves the player to the given map-path and coordinates by first freezing	2566	Moves the player to the given map-path and coordinates by first freezing
2445	her, loading and preparing them map, calling the provided $check callback	2567	her, loading and preparing them map, calling the provided $check callback
2446	that has to return the map if sucecssful, and then unfreezes the player on	2568	that has to return the map if sucecssful, and then unfreezes the player on
2447	the new (success) or old (failed) map position. In either case, $done will	2569	the new (success) or old (failed) map position. In either case, $done will
2448	be called at the end of this process.	2570	be called at the end of this process.
		2571
		2572	Note that $check will be called with a potentially non-loaded map, so if
		2573	it needs a loaded map it has to call C<< ->load >>.
2449		2574
2450	=cut	2575	=cut
2451		2576
2452	our $GOTOGEN;	2577	our $GOTOGEN;
2453		2578
…		…
2532	}	2657	}
2533		2658
2534	sub prepare_random_map {	2659	sub prepare_random_map {
2535	my ($exit) = @_;	2660	my ($exit) = @_;
2536		2661
2537	my $guard = cf::lock_acquire "exit_prepare:$exit";
2538
2539	# all this does is basically replace the /! path by	2662	# all this does is basically replace the /! path by
2540	# a new random map path (?random/...) with a seed	2663	# a new random map path (?random/...) with a seed
2541	# that depends on the exit object	2664	# that depends on the exit object
2542		2665
2543	my $rmp = parse_random_map_params $exit->msg;	2666	my $rmp = parse_random_map_params $exit->msg;
…		…
2545	if ($exit->map) {	2668	if ($exit->map) {
2546	$rmp->{region} = $exit->region->name;	2669	$rmp->{region} = $exit->region->name;
2547	$rmp->{origin_map} = $exit->map->path;	2670	$rmp->{origin_map} = $exit->map->path;
2548	$rmp->{origin_x} = $exit->x;	2671	$rmp->{origin_x} = $exit->x;
2549	$rmp->{origin_y} = $exit->y;	2672	$rmp->{origin_y} = $exit->y;
		2673
		2674	$exit->map->touch;
2550	}	2675	}
2551		2676
2552	$rmp->{random_seed} ||= $exit->random_seed;	2677	$rmp->{random_seed} ||= $exit->random_seed;
2553		2678
2554	my $data = cf::to_json $rmp;	2679	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2555	my $md5 = Digest::MD5::md5_hex $data;	2680	my $md5 = Digest::MD5::md5_hex $data;
2556	my $meta = "$RANDOMDIR/$md5.meta";	2681	my $meta = "$RANDOMDIR/$md5.meta";
2557		2682
2558	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2683	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2559	aio_write $fh, 0, (length $data), $data, 0;	2684	aio_write $fh, 0, (length $data), $data, 0;
2560	undef $fh;	2685	undef $fh;
2561	aio_rename "$meta~", $meta;	2686	aio_rename "$meta~", $meta;
2562		2687
		2688	my $slaying = "?random/$md5";
		2689
		2690	if ($exit->valid) {
2563	$exit->slaying ("?random/$md5");	2691	$exit->slaying ("?random/$md5");
2564	$exit->msg (undef);	2692	$exit->msg (undef);
		2693	}
2565	}	2694	}
2566	}	2695	}
2567		2696
2568	sub cf::object::player::enter_exit {	2697	sub cf::object::player::enter_exit {
2569	my ($self, $exit) = @_;	2698	my ($self, $exit) = @_;
2570		2699
2571	return unless $self->type == cf::PLAYER;	2700	return unless $self->type == cf::PLAYER;
2572		2701
2573	if ($exit->slaying eq "/!") {
2574	#TODO: this should de-fi-ni-te-ly not be a sync-job
2575	# the problem is that $exit might not survive long enough
2576	# so it needs to be done right now, right here
2577	cf::sync_job { prepare_random_map $exit };
2578	}
2579
2580	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2581	my $hp = $exit->stats->hp;
2582	my $sp = $exit->stats->sp;
2583
2584	$self->enter_link;	2702	$self->enter_link;
2585		2703
2586	# if exit is damned, update players death & WoR home-position
2587	$self->contr->savebed ($slaying, $hp, $sp)
2588	if $exit->flag (FLAG_DAMNED);
2589
2590	(async {	2704	(async {
2591	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2705	$Coro::current->{desc} = "enter_exit";
2592		2706
2593	$self->deactivate_recursive; # just to be sure
2594	unless (eval {	2707	unless (eval {
		2708	$self->deactivate_recursive; # just to be sure
		2709
		2710	# random map handling
		2711	{
		2712	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2713
		2714	prepare_random_map $exit
		2715	if $exit->slaying eq "/!";
		2716	}
		2717
		2718	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2719	my $x = $exit->stats->hp;
		2720	my $y = $exit->stats->sp;
		2721
2595	$self->goto ($slaying, $hp, $sp);	2722	$self->goto ($map, $x, $y);
2596		2723
		2724	# if exit is damned, update players death & WoR home-position
		2725	$self->contr->savebed ($map, $x, $y)
		2726	if $exit->flag (cf::FLAG_DAMNED);
		2727
2597	1;	2728	1
2598	}) {	2729	}) {
2599	$self->message ("Something went wrong deep within the crossfire server. "	2730	$self->message ("Something went wrong deep within the deliantra server. "
2600	. "I'll try to bring you back to the map you were before. "	2731	. "I'll try to bring you back to the map you were before. "
2601	. "Please report this to the dungeon master!",	2732	. "Please report this to the dungeon master!",
2602	cf::NDI_UNIQUE | cf::NDI_RED);	2733	cf::NDI_UNIQUE | cf::NDI_RED);
2603		2734
2604	warn "ERROR in enter_exit: $@";	2735	warn "ERROR in enter_exit: $@";
…		…
2632	the message, with C<log> being the default. If C<$color> is negative, suppress	2763	the message, with C<log> being the default. If C<$color> is negative, suppress
2633	the message unless the client supports the msg packet.	2764	the message unless the client supports the msg packet.
2634		2765
2635	=cut	2766	=cut
2636		2767
		2768	# non-persistent channels (usually the info channel)
2637	our %CHANNEL = (	2769	our %CHANNEL = (
		2770	"c/motd" => {
		2771	id => "infobox",
		2772	title => "MOTD",
		2773	reply => undef,
		2774	tooltip => "The message of the day",
		2775	},
2638	"c/identify" => {	2776	"c/identify" => {
2639	id => "infobox",	2777	id => "infobox",
2640	title => "Identify",	2778	title => "Identify",
2641	reply => undef,	2779	reply => undef,
2642	tooltip => "Items recently identified",	2780	tooltip => "Items recently identified",
…		…
2645	id => "infobox",	2783	id => "infobox",
2646	title => "Examine",	2784	title => "Examine",
2647	reply => undef,	2785	reply => undef,
2648	tooltip => "Signs and other items you examined",	2786	tooltip => "Signs and other items you examined",
2649	},	2787	},
		2788	"c/book" => {
		2789	id => "infobox",
		2790	title => "Book",
		2791	reply => undef,
		2792	tooltip => "The contents of a note or book",
		2793	},
2650	"c/lookat" => {	2794	"c/lookat" => {
2651	id => "infobox",	2795	id => "infobox",
2652	title => "Look",	2796	title => "Look",
2653	reply => undef,	2797	reply => undef,
2654	tooltip => "What you saw there",	2798	tooltip => "What you saw there",
2655	},	2799	},
		2800	"c/who" => {
		2801	id => "infobox",
		2802	title => "Players",
		2803	reply => undef,
		2804	tooltip => "Shows players who are currently online",
		2805	},
		2806	"c/body" => {
		2807	id => "infobox",
		2808	title => "Body Parts",
		2809	reply => undef,
		2810	tooltip => "Shows which body parts you posess and are available",
		2811	},
		2812	"c/statistics" => {
		2813	id => "infobox",
		2814	title => "Statistics",
		2815	reply => undef,
		2816	tooltip => "Shows your primary statistics",
		2817	},
		2818	"c/skills" => {
		2819	id => "infobox",
		2820	title => "Skills",
		2821	reply => undef,
		2822	tooltip => "Shows your experience per skill and item power",
		2823	},
		2824	"c/shopitems" => {
		2825	id => "infobox",
		2826	title => "Shop Items",
		2827	reply => undef,
		2828	tooltip => "Shows the items currently for sale in this shop",
		2829	},
		2830	"c/resistances" => {
		2831	id => "infobox",
		2832	title => "Resistances",
		2833	reply => undef,
		2834	tooltip => "Shows your resistances",
		2835	},
		2836	"c/pets" => {
		2837	id => "infobox",
		2838	title => "Pets",
		2839	reply => undef,
		2840	tooltip => "Shows information abotu your pets/a specific pet",
		2841	},
		2842	"c/perceiveself" => {
		2843	id => "infobox",
		2844	title => "Perceive Self",
		2845	reply => undef,
		2846	tooltip => "You gained detailed knowledge about yourself",
		2847	},
		2848	"c/uptime" => {
		2849	id => "infobox",
		2850	title => "Uptime",
		2851	reply => undef,
		2852	tooltip => "How long the server has been running since last restart",
		2853	},
		2854	"c/mapinfo" => {
		2855	id => "infobox",
		2856	title => "Map Info",
		2857	reply => undef,
		2858	tooltip => "Information related to the maps",
		2859	},
		2860	"c/party" => {
		2861	id => "party",
		2862	title => "Party",
		2863	reply => "gsay ",
		2864	tooltip => "Messages and chat related to your party",
		2865	},
		2866	"c/death" => {
		2867	id => "death",
		2868	title => "Death",
		2869	reply => undef,
		2870	tooltip => "Reason for and more info about your most recent death",
		2871	},
		2872	"c/say" => $SAY_CHANNEL,
		2873	"c/chat" => $CHAT_CHANNEL,
2656	);	2874	);
2657		2875
2658	sub cf::client::send_msg {	2876	sub cf::client::send_msg {
2659	my ($self, $channel, $msg, $color, @extra) = @_;	2877	my ($self, $channel, $msg, $color, @extra) = @_;
2660		2878
2661	$msg = $self->pl->expand_cfpod ($msg);	2879	$msg = $self->pl->expand_cfpod ($msg)
		2880	unless $color & cf::NDI_VERBATIM;
2662		2881
2663	$color &= cf::NDI_CLIENT_MASK; # just in case...	2882	$color &= cf::NDI_CLIENT_MASK; # just in case...
2664		2883
2665	# check predefined channels, for the benefit of C	2884	# check predefined channels, for the benefit of C
2666	if ($CHANNEL{$channel}) {	2885	if ($CHANNEL{$channel}) {
2667	$channel = $CHANNEL{$channel};	2886	$channel = $CHANNEL{$channel};
2668		2887
2669	$self->ext_msg (channel_info => $channel)	2888	$self->ext_msg (channel_info => $channel);
2670	if $self->can_msg;
2671
2672	$channel = $channel->{id};	2889	$channel = $channel->{id};
2673		2890
2674	} elsif (ref $channel) {	2891	} elsif (ref $channel) {
2675	# send meta info to client, if not yet sent	2892	# send meta info to client, if not yet sent
2676	unless (exists $self->{channel}{$channel->{id}}) {	2893	unless (exists $self->{channel}{$channel->{id}}) {
2677	$self->{channel}{$channel->{id}} = $channel;	2894	$self->{channel}{$channel->{id}} = $channel;
2678	$self->ext_msg (channel_info => $channel)	2895	$self->ext_msg (channel_info => $channel);
2679	if $self->can_msg;
2680	}	2896	}
2681		2897
2682	$channel = $channel->{id};	2898	$channel = $channel->{id};
2683	}	2899	}
2684		2900
2685	return unless @extra || length $msg;	2901	return unless @extra || length $msg;
2686		2902
2687	if ($self->can_msg) {
2688	# default colour, mask it out	2903	# default colour, mask it out
2689	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2904	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2690	if $color & cf::NDI_DEF;	2905	if $color & cf::NDI_DEF;
2691		2906
2692	$self->send_packet ("msg " . $self->{json_coder}->encode (	2907	my $pkt = "msg "
		2908	. $self->{json_coder}->encode (
2693	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2909	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2694	} else {	2910	);
2695	if ($color >= 0) {
2696	# replace some tags by gcfclient-compatible ones
2697	for ($msg) {
2698	1 while
2699	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2700	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2701	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2702	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2703	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2704	}
2705		2911
2706	$color &= cf::NDI_COLOR_MASK;	2912	# try lzf for large packets
		2913	$pkt = "lzf " . Compress::LZF::compress $pkt
		2914	if 1024 <= length $pkt and $self->{can_lzf};
2707		2915
2708	utf8::encode $msg;	2916	# split very large packets
2709		2917	if (8192 < length $pkt and $self->{can_lzf}) {
2710	if (0 && $msg =~ /\[/) {	2918	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2711	# COMMAND/INFO	2919	$pkt = "frag";
2712	$self->send_packet ("drawextinfo $color 10 8 $msg")
2713	} else {
2714	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2715	$self->send_packet ("drawinfo $color $msg")
2716	}
2717	}
2718	}	2920	}
		2921
		2922	$self->send_packet ($pkt);
2719	}	2923	}
2720		2924
2721	=item $client->ext_msg ($type, @msg)	2925	=item $client->ext_msg ($type, @msg)
2722		2926
2723	Sends an ext event to the client.	2927	Sends an ext event to the client.
…		…
2897		3101
2898	The following functions and methods are available within a safe environment:	3102	The following functions and methods are available within a safe environment:
2899		3103
2900	cf::object	3104	cf::object
2901	contr pay_amount pay_player map x y force_find force_add destroy	3105	contr pay_amount pay_player map x y force_find force_add destroy
2902	insert remove name archname title slaying race decrease_ob_nr	3106	insert remove name archname title slaying race decrease split
		3107	value
2903		3108
2904	cf::object::player	3109	cf::object::player
2905	player	3110	player
2906		3111
2907	cf::player	3112	cf::player
…		…
2912		3117
2913	=cut	3118	=cut
2914		3119
2915	for (	3120	for (
2916	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3121	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2917	insert remove inv name archname title slaying race	3122	insert remove inv nrof name archname title slaying race
2918	decrease_ob_nr destroy)],	3123	decrease split destroy change_exp value msg lore send_msg)],
2919	["cf::object::player" => qw(player)],	3124	["cf::object::player" => qw(player)],
2920	["cf::player" => qw(peaceful)],	3125	["cf::player" => qw(peaceful send_msg)],
2921	["cf::map" => qw(trigger)],	3126	["cf::map" => qw(trigger)],
2922	) {	3127	) {
2923	no strict 'refs';	3128	no strict 'refs';
2924	my ($pkg, @funs) = @$_;	3129	my ($pkg, @funs) = @$_;
2925	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3130	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2942	my ($code, %vars) = @_;	3147	my ($code, %vars) = @_;
2943		3148
2944	my $qcode = $code;	3149	my $qcode = $code;
2945	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3150	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2946	$qcode =~ s/\n/\\n/g;	3151	$qcode =~ s/\n/\\n/g;
		3152
		3153	%vars = (_dummy => 0) unless %vars;
2947		3154
2948	local $_;	3155	local $_;
2949	local @safe::cf::_safe_eval_args = values %vars;	3156	local @safe::cf::_safe_eval_args = values %vars;
2950		3157
2951	my $eval =	3158	my $eval =
…		…
3028	{	3235	{
3029	my $faces = $facedata->{faceinfo};	3236	my $faces = $facedata->{faceinfo};
3030		3237
3031	while (my ($face, $info) = each %$faces) {	3238	while (my ($face, $info) = each %$faces) {
3032	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3239	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3240
3033	cf::face::set_visibility $idx, $info->{visibility};	3241	cf::face::set_visibility $idx, $info->{visibility};
3034	cf::face::set_magicmap $idx, $info->{magicmap};	3242	cf::face::set_magicmap $idx, $info->{magicmap};
3035	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3243	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
3036	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3244	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
3037		3245
3038	cf::cede_to_tick;	3246	cf::cede_to_tick;
3039	}	3247	}
3040		3248
3041	while (my ($face, $info) = each %$faces) {	3249	while (my ($face, $info) = each %$faces) {
3042	next unless $info->{smooth};	3250	next unless $info->{smooth};
		3251
3043	my $idx = cf::face::find $face	3252	my $idx = cf::face::find $face
3044	or next;	3253	or next;
		3254
3045	if (my $smooth = cf::face::find $info->{smooth}) {	3255	if (my $smooth = cf::face::find $info->{smooth}) {
3046	cf::face::set_smooth $idx, $smooth;	3256	cf::face::set_smooth $idx, $smooth;
3047	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3257	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3048	} else {	3258	} else {
3049	warn "smooth face '$info->{smooth}' not found for face '$face'";	3259	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
3067	{	3277	{
3068	# TODO: for gcfclient pleasure, we should give resources	3278	# TODO: for gcfclient pleasure, we should give resources
3069	# that gcfclient doesn't grok a >10000 face index.	3279	# that gcfclient doesn't grok a >10000 face index.
3070	my $res = $facedata->{resource};	3280	my $res = $facedata->{resource};
3071		3281
3072	my $soundconf = delete $res->{"res/sound.conf"};
3073
3074	while (my ($name, $info) = each %$res) {	3282	while (my ($name, $info) = each %$res) {
		3283	if (defined $info->{type}) {
3075	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3284	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3076	my $data;	3285	my $data;
3077		3286
3078	if ($info->{type} & 1) {	3287	if ($info->{type} & 1) {
3079	# prepend meta info	3288	# prepend meta info
3080		3289
3081	my $meta = $enc->encode ({	3290	my $meta = $enc->encode ({
3082	name => $name,	3291	name => $name,
3083	%{ $info->{meta} || {} },	3292	%{ $info->{meta} || {} },
3084	});	3293	});
3085		3294
3086	$data = pack "(w/a*)*", $meta, $info->{data};	3295	$data = pack "(w/a*)*", $meta, $info->{data};
		3296	} else {
		3297	$data = $info->{data};
		3298	}
		3299
		3300	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3301	cf::face::set_type $idx, $info->{type};
3087	} else {	3302	} else {
3088	$data = $info->{data};	3303	$RESOURCE{$name} = $info;
3089	}	3304	}
3090		3305
3091	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3092	cf::face::set_type $idx, $info->{type};
3093
3094	cf::cede_to_tick;	3306	cf::cede_to_tick;
3095	}	3307	}
3096
3097	if ($soundconf) {
3098	$soundconf = $enc->decode (delete $soundconf->{data});
3099
3100	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3101	my $sound = $soundconf->{compat}[$_]
3102	or next;
3103
3104	my $face = cf::face::find "sound/$sound->[1]";
3105	cf::sound::set $sound->[0] => $face;
3106	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3107	}
3108
3109	while (my ($k, $v) = each %{$soundconf->{event}}) {
3110	my $face = cf::face::find "sound/$v";
3111	cf::sound::set $k => $face;
3112	}
3113	}
3114	}	3308	}
		3309
		3310	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3115		3311
3116	1	3312	1
3117	}	3313	}
		3314
		3315	cf::global->attach (on_resource_update => sub {
		3316	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3317	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3318
		3319	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3320	my $sound = $soundconf->{compat}[$_]
		3321	or next;
		3322
		3323	my $face = cf::face::find "sound/$sound->[1]";
		3324	cf::sound::set $sound->[0] => $face;
		3325	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3326	}
		3327
		3328	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3329	my $face = cf::face::find "sound/$v";
		3330	cf::sound::set $k => $face;
		3331	}
		3332	}
		3333	});
3118		3334
3119	register_exticmd fx_want => sub {	3335	register_exticmd fx_want => sub {
3120	my ($ns, $want) = @_;	3336	my ($ns, $want) = @_;
3121		3337
3122	while (my ($k, $v) = each %$want) {	3338	while (my ($k, $v) = each %$want) {
3123	$ns->fx_want ($k, $v);	3339	$ns->fx_want ($k, $v);
3124	}	3340	}
3125	};	3341	};
		3342
		3343	sub load_resource_file($) {
		3344	my $guard = lock_acquire "load_resource_file";
		3345
		3346	my $status = load_resource_file_ $_[0];
		3347	get_slot 0.1, 100;
		3348	cf::arch::commit_load;
		3349
		3350	$status
		3351	}
3126		3352
3127	sub reload_regions {	3353	sub reload_regions {
3128	# HACK to clear player env face cache, we need some signal framework	3354	# HACK to clear player env face cache, we need some signal framework
3129	# for this (global event?)	3355	# for this (global event?)
3130	%ext::player_env::MUSIC_FACE_CACHE = ();	3356	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3144	}	3370	}
3145		3371
3146	sub reload_archetypes {	3372	sub reload_archetypes {
3147	load_resource_file "$DATADIR/archetypes"	3373	load_resource_file "$DATADIR/archetypes"
3148	or die "unable to load archetypes\n";	3374	or die "unable to load archetypes\n";
3149	#d# NEED to laod twice to resolve forward references
3150	# this really needs to be done in an extra post-pass
3151	# (which needs to be synchronous, so solve it differently)
3152	load_resource_file "$DATADIR/archetypes"
3153	or die "unable to load archetypes\n";
3154	}	3375	}
3155		3376
3156	sub reload_treasures {	3377	sub reload_treasures {
3157	load_resource_file "$DATADIR/treasures"	3378	load_resource_file "$DATADIR/treasures"
3158	or die "unable to load treasurelists\n";	3379	or die "unable to load treasurelists\n";
3159	}	3380	}
3160		3381
3161	sub reload_resources {	3382	sub reload_resources {
3162	warn "reloading resource files...\n";	3383	warn "reloading resource files...\n";
3163		3384
		3385	reload_facedata;
		3386	reload_archetypes;
3164	reload_regions;	3387	reload_regions;
3165	reload_facedata;
3166	#reload_archetypes;#d#
3167	reload_archetypes;
3168	reload_treasures;	3388	reload_treasures;
3169		3389
3170	warn "finished reloading resource files\n";	3390	warn "finished reloading resource files\n";
3171	}	3391	}
3172		3392
3173	sub init {
3174	reload_resources;
3175	}
3176
3177	sub reload_config {	3393	sub reload_config {
		3394	warn "reloading config file...\n";
		3395
3178	open my $fh, "<:utf8", "$CONFDIR/config"	3396	open my $fh, "<:utf8", "$CONFDIR/config"
3179	or return;	3397	or return;
3180		3398
3181	local $/;	3399	local $/;
3182	*CFG = YAML::Syck::Load <$fh>;	3400	*CFG = YAML::XS::Load scalar <$fh>;
3183		3401
3184	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3402	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3185		3403
3186	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3404	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3187	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3405	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3191	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3409	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
3192	and die "WARNING: m(un)lockall failed: $!\n";	3410	and die "WARNING: m(un)lockall failed: $!\n";
3193	};	3411	};
3194	warn $@ if $@;	3412	warn $@ if $@;
3195	}	3413	}
		3414
		3415	warn "finished reloading resource files\n";
		3416	}
		3417
		3418	sub pidfile() {
		3419	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3420	or die "$PIDFILE: $!";
		3421	flock $fh, &Fcntl::LOCK_EX
		3422	or die "$PIDFILE: flock: $!";
		3423	$fh
		3424	}
		3425
		3426	# make sure only one server instance is running at any one time
		3427	sub atomic {
		3428	my $fh = pidfile;
		3429
		3430	my $pid = <$fh>;
		3431	kill 9, $pid if $pid > 0;
		3432
		3433	seek $fh, 0, 0;
		3434	print $fh $$;
		3435	}
		3436
		3437	sub main_loop {
		3438	warn "EV::loop starting\n";
		3439	if (1) {
		3440	EV::loop;
		3441	}
		3442	warn "EV::loop returned\n";
		3443	goto &main_loop unless $REALLY_UNLOOP;
3196	}	3444	}
3197		3445
3198	sub main {	3446	sub main {
		3447	cf::init_globals; # initialise logging
		3448
		3449	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3450	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3451	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3452	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3453
		3454	cf::init_experience;
		3455	cf::init_anim;
		3456	cf::init_attackmess;
		3457	cf::init_dynamic;
		3458
		3459	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3460
3199	# we must not ever block the main coroutine	3461	# we must not ever block the main coroutine
3200	local $Coro::idle = sub {	3462	local $Coro::idle = sub {
3201	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3463	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3202	(async {	3464	(async {
3203	$Coro::current->{desc} = "IDLE BUG HANDLER";	3465	$Coro::current->{desc} = "IDLE BUG HANDLER";
3204	Event::one_event;	3466	EV::loop EV::LOOP_ONESHOT;
3205	})->prio (Coro::PRIO_MAX);	3467	})->prio (Coro::PRIO_MAX);
3206	};	3468	};
3207		3469
		3470	evthread_start IO::AIO::poll_fileno;
		3471
		3472	cf::sync_job {
		3473	reload_resources;
3208	reload_config;	3474	reload_config;
3209	db_init;	3475	db_init;
		3476
		3477	cf::load_settings;
		3478	cf::load_materials;
		3479	cf::init_uuid;
		3480	cf::init_signals;
		3481	cf::init_commands;
		3482	cf::init_skills;
		3483
		3484	cf::init_beforeplay;
		3485
		3486	atomic;
		3487
3210	load_extensions;	3488	load_extensions;
3211		3489
3212	$TICK_WATCHER->start;	3490	utime time, time, $RUNTIMEFILE;
3213	Event::loop;	3491
		3492	# no (long-running) fork's whatsoever before this point(!)
		3493	use POSIX ();
		3494	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3495
		3496	(pop @POST_INIT)->(0) while @POST_INIT;
		3497	};
		3498
		3499	main_loop;
3214	}	3500	}
3215		3501
3216	#############################################################################	3502	#############################################################################
3217	# initialisation and cleanup	3503	# initialisation and cleanup
3218		3504
3219	# install some emergency cleanup handlers	3505	# install some emergency cleanup handlers
3220	BEGIN {	3506	BEGIN {
		3507	our %SIGWATCHER = ();
3221	for my $signal (qw(INT HUP TERM)) {	3508	for my $signal (qw(INT HUP TERM)) {
3222	Event->signal (	3509	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3223	reentrant => 0,
3224	data => WF_AUTOCANCEL,
3225	signal => $signal,
3226	prio => 0,
3227	cb => sub {
3228	cf::cleanup "SIG$signal";	3510	cf::cleanup "SIG$signal";
3229	},
3230	);	3511	};
3231	}	3512	}
3232	}	3513	}
3233		3514
3234	sub write_runtime {	3515	sub write_runtime_sync {
3235	my $runtime = "$LOCALDIR/runtime";
3236
3237	# first touch the runtime file to show we are still running:	3516	# first touch the runtime file to show we are still running:
3238	# the fsync below can take a very very long time.	3517	# the fsync below can take a very very long time.
3239		3518
3240	IO::AIO::aio_utime $runtime, undef, undef;	3519	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3241		3520
3242	my $guard = cf::lock_acquire "write_runtime";	3521	my $guard = cf::lock_acquire "write_runtime";
3243		3522
3244	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3523	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3245	or return;	3524	or return;
3246		3525
3247	my $value = $cf::RUNTIME + 90 + 10;	3526	my $value = $cf::RUNTIME + 90 + 10;
3248	# 10 is the runtime save interval, for a monotonic clock	3527	# 10 is the runtime save interval, for a monotonic clock
3249	# 60 allows for the watchdog to kill the server.	3528	# 60 allows for the watchdog to kill the server.
…		…
3259	aio_utime $fh, undef, undef;	3538	aio_utime $fh, undef, undef;
3260		3539
3261	close $fh	3540	close $fh
3262	or return;	3541	or return;
3263		3542
3264	aio_rename "$runtime~", $runtime	3543	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3265	and return;	3544	and return;
3266		3545
3267	warn "runtime file written.\n";	3546	warn "runtime file written.\n";
3268		3547
3269	1	3548	1
		3549	}
		3550
		3551	our $uuid_lock;
		3552	our $uuid_skip;
		3553
		3554	sub write_uuid_sync($) {
		3555	$uuid_skip ||= $_[0];
		3556
		3557	return if $uuid_lock;
		3558	local $uuid_lock = 1;
		3559
		3560	my $uuid = "$LOCALDIR/uuid";
		3561
		3562	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3563	or return;
		3564
		3565	my $value = uuid_seq uuid_cur;
		3566
		3567	unless ($value) {
		3568	warn "cowardly refusing to write zero uuid value!\n";
		3569	return;
		3570	}
		3571
		3572	my $value = uuid_str $value + $uuid_skip;
		3573	$uuid_skip = 0;
		3574
		3575	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3576	and return;
		3577
		3578	# always fsync - this file is important
		3579	aio_fsync $fh
		3580	and return;
		3581
		3582	close $fh
		3583	or return;
		3584
		3585	aio_rename "$uuid~", $uuid
		3586	and return;
		3587
		3588	warn "uuid file written ($value).\n";
		3589
		3590	1
		3591
		3592	}
		3593
		3594	sub write_uuid($$) {
		3595	my ($skip, $sync) = @_;
		3596
		3597	$sync ? write_uuid_sync $skip
		3598	: async { write_uuid_sync $skip };
3270	}	3599	}
3271		3600
3272	sub emergency_save() {	3601	sub emergency_save() {
3273	my $freeze_guard = cf::freeze_mainloop;	3602	my $freeze_guard = cf::freeze_mainloop;
3274		3603
3275	warn "enter emergency perl save\n";	3604	warn "emergency_perl_save: enter\n";
3276		3605
3277	cf::sync_job {	3606	cf::sync_job {
		3607	# this is a trade-off: we want to be very quick here, so
		3608	# save all maps without fsync, and later call a global sync
		3609	# (which in turn might be very very slow)
		3610	local $USE_FSYNC = 0;
		3611
3278	# use a peculiar iteration method to avoid tripping on perl	3612	# use a peculiar iteration method to avoid tripping on perl
3279	# refcount bugs in for. also avoids problems with players	3613	# refcount bugs in for. also avoids problems with players
3280	# and maps saved/destroyed asynchronously.	3614	# and maps saved/destroyed asynchronously.
3281	warn "begin emergency player save\n";	3615	warn "emergency_perl_save: begin player save\n";
3282	for my $login (keys %cf::PLAYER) {	3616	for my $login (keys %cf::PLAYER) {
3283	my $pl = $cf::PLAYER{$login} or next;	3617	my $pl = $cf::PLAYER{$login} or next;
3284	$pl->valid or next;	3618	$pl->valid or next;
3285	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3619	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3286	$pl->save;	3620	$pl->save;
3287	}	3621	}
3288	warn "end emergency player save\n";	3622	warn "emergency_perl_save: end player save\n";
3289		3623
3290	warn "begin emergency map save\n";	3624	warn "emergency_perl_save: begin map save\n";
3291	for my $path (keys %cf::MAP) {	3625	for my $path (keys %cf::MAP) {
3292	my $map = $cf::MAP{$path} or next;	3626	my $map = $cf::MAP{$path} or next;
3293	$map->valid or next;	3627	$map->valid or next;
3294	$map->save;	3628	$map->save;
3295	}	3629	}
3296	warn "end emergency map save\n";	3630	warn "emergency_perl_save: end map save\n";
3297		3631
3298	warn "begin emergency database checkpoint\n";	3632	warn "emergency_perl_save: begin database checkpoint\n";
3299	BDB::db_env_txn_checkpoint $DB_ENV;	3633	BDB::db_env_txn_checkpoint $DB_ENV;
3300	warn "end emergency database checkpoint\n";	3634	warn "emergency_perl_save: end database checkpoint\n";
		3635
		3636	warn "emergency_perl_save: begin write uuid\n";
		3637	write_uuid_sync 1;
		3638	warn "emergency_perl_save: end write uuid\n";
3301	};	3639	};
3302		3640
		3641	warn "emergency_perl_save: starting sync()\n";
		3642	IO::AIO::aio_sync sub {
		3643	warn "emergency_perl_save: finished sync()\n";
		3644	};
		3645
3303	warn "leave emergency perl save\n";	3646	warn "emergency_perl_save: leave\n";
3304	}	3647	}
3305		3648
3306	sub post_cleanup {	3649	sub post_cleanup {
3307	my ($make_core) = @_;	3650	my ($make_core) = @_;
3308		3651
3309	warn Carp::longmess "post_cleanup backtrace"	3652	warn Carp::longmess "post_cleanup backtrace"
3310	if $make_core;	3653	if $make_core;
		3654
		3655	my $fh = pidfile;
		3656	unlink $PIDFILE if <$fh> == $$;
		3657	}
		3658
		3659	# a safer delete_package, copied from Symbol
		3660	sub clear_package($) {
		3661	my $pkg = shift;
		3662
		3663	# expand to full symbol table name if needed
		3664	unless ($pkg =~ /^main::.*::$/) {
		3665	$pkg = "main$pkg" if $pkg =~ /^::/;
		3666	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3667	$pkg .= '::' unless $pkg =~ /::$/;
		3668	}
		3669
		3670	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3671	my $stem_symtab = *{$stem}{HASH};
		3672
		3673	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3674	or return;
		3675
		3676	# clear all symbols
		3677	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3678	for my $name (keys %$leaf_symtab) {
		3679	_gv_clear *{"$pkg$name"};
		3680	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3681	}
		3682	warn "cleared package $pkg\n";#d#
3311	}	3683	}
3312		3684
3313	sub do_reload_perl() {	3685	sub do_reload_perl() {
3314	# can/must only be called in main	3686	# can/must only be called in main
3315	if ($Coro::current != $Coro::main) {	3687	if ($Coro::current != $Coro::main) {
3316	warn "can only reload from main coroutine";	3688	warn "can only reload from main coroutine";
3317	return;	3689	return;
3318	}	3690	}
3319		3691
		3692	return if $RELOAD++;
		3693
		3694	my $t1 = EV::time;
		3695
		3696	while ($RELOAD) {
3320	warn "reloading...";	3697	warn "reloading...";
3321		3698
3322	warn "entering sync_job";	3699	warn "entering sync_job";
3323		3700
3324	cf::sync_job {	3701	cf::sync_job {
3325	cf::write_runtime; # external watchdog should not bark	3702	cf::write_runtime_sync; # external watchdog should not bark
3326	cf::emergency_save;	3703	cf::emergency_save;
3327	cf::write_runtime; # external watchdog should not bark	3704	cf::write_runtime_sync; # external watchdog should not bark
3328		3705
3329	warn "syncing database to disk";	3706	warn "syncing database to disk";
3330	BDB::db_env_txn_checkpoint $DB_ENV;	3707	BDB::db_env_txn_checkpoint $DB_ENV;
3331		3708
3332	# if anything goes wrong in here, we should simply crash as we already saved	3709	# if anything goes wrong in here, we should simply crash as we already saved
3333		3710
3334	warn "cancelling all WF_AUTOCANCEL watchers";
3335	for (Event::all_watchers) {
3336	$_->cancel if $_->data & WF_AUTOCANCEL;
3337	}
3338
3339	warn "flushing outstanding aio requests";	3711	warn "flushing outstanding aio requests";
3340	for (;;) {
3341	BDB::flush;
3342	IO::AIO::flush;
3343	Coro::cede;
3344	last unless IO::AIO::nreqs || BDB::nreqs;	3712	while (IO::AIO::nreqs || BDB::nreqs) {
3345	warn "iterate...";	3713	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3346	}
3347
3348	++$RELOAD;
3349
3350	warn "cancelling all extension coros";
3351	$_->cancel for values %EXT_CORO;
3352	%EXT_CORO = ();
3353
3354	warn "removing commands";
3355	%COMMAND = ();
3356
3357	warn "removing ext/exti commands";
3358	%EXTCMD = ();
3359	%EXTICMD = ();
3360
3361	warn "unloading/nuking all extensions";
3362	for my $pkg (@EXTS) {
3363	warn "... unloading $pkg";
3364
3365	if (my $cb = $pkg->can ("unload")) {
3366	eval {
3367	$cb->($pkg);
3368	1
3369	} or warn "$pkg unloaded, but with errors: $@";
3370	}	3714	}
3371		3715
3372	warn "... nuking $pkg";	3716	warn "cancelling all extension coros";
3373	Symbol::delete_package $pkg;	3717	$_->cancel for values %EXT_CORO;
3374	}	3718	%EXT_CORO = ();
3375		3719
3376	warn "unloading all perl modules loaded from $LIBDIR";	3720	warn "removing commands";
3377	while (my ($k, $v) = each %INC) {	3721	%COMMAND = ();
3378	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3379		3722
		3723	warn "removing ext/exti commands";
		3724	%EXTCMD = ();
		3725	%EXTICMD = ();
		3726
		3727	warn "unloading/nuking all extensions";
		3728	for my $pkg (@EXTS) {
3380	warn "... unloading $k";	3729	warn "... unloading $pkg";
3381	delete $INC{$k};
3382		3730
3383	$k =~ s/\.pm$//;
3384	$k =~ s/\//::/g;
3385
3386	if (my $cb = $k->can ("unload_module")) {	3731	if (my $cb = $pkg->can ("unload")) {
		3732	eval {
3387	$cb->();	3733	$cb->($pkg);
		3734	1
		3735	} or warn "$pkg unloaded, but with errors: $@";
		3736	}
		3737
		3738	warn "... clearing $pkg";
		3739	clear_package $pkg;
3388	}	3740	}
3389		3741
3390	Symbol::delete_package $k;	3742	warn "unloading all perl modules loaded from $LIBDIR";
		3743	while (my ($k, $v) = each %INC) {
		3744	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3745
		3746	warn "... unloading $k";
		3747	delete $INC{$k};
		3748
		3749	$k =~ s/\.pm$//;
		3750	$k =~ s/\//::/g;
		3751
		3752	if (my $cb = $k->can ("unload_module")) {
		3753	$cb->();
		3754	}
		3755
		3756	clear_package $k;
3391	}	3757	}
3392		3758
3393	warn "getting rid of safe::, as good as possible";	3759	warn "getting rid of safe::, as good as possible";
3394	Symbol::delete_package "safe::$_"	3760	clear_package "safe::$_"
3395	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3761	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3396		3762
3397	warn "unloading cf.pm \"a bit\"";	3763	warn "unloading cf.pm \"a bit\"";
3398	delete $INC{"cf.pm"};	3764	delete $INC{"cf.pm"};
3399	delete $INC{"cf/pod.pm"};	3765	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3400		3766
3401	# don't, removes xs symbols, too,	3767	# don't, removes xs symbols, too,
3402	# and global variables created in xs	3768	# and global variables created in xs
3403	#Symbol::delete_package __PACKAGE__;	3769	#clear_package __PACKAGE__;
3404		3770
3405	warn "unload completed, starting to reload now";	3771	warn "unload completed, starting to reload now";
3406		3772
3407	warn "reloading cf.pm";	3773	warn "reloading cf.pm";
3408	require cf;	3774	require cf;
3409	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3775	cf::_connect_to_perl_1;
3410		3776
3411	warn "loading config and database again";	3777	warn "loading config and database again";
3412	cf::reload_config;	3778	cf::reload_config;
3413		3779
3414	warn "loading extensions";	3780	warn "loading extensions";
3415	cf::load_extensions;	3781	cf::load_extensions;
3416		3782
		3783	if ($REATTACH_ON_RELOAD) {
3417	warn "reattaching attachments to objects/players";	3784	warn "reattaching attachments to objects/players";
3418	_global_reattach; # objects, sockets	3785	_global_reattach; # objects, sockets
3419	warn "reattaching attachments to maps";	3786	warn "reattaching attachments to maps";
3420	reattach $_ for values %MAP;	3787	reattach $_ for values %MAP;
3421	warn "reattaching attachments to players";	3788	warn "reattaching attachments to players";
3422	reattach $_ for values %PLAYER;	3789	reattach $_ for values %PLAYER;
		3790	}
3423		3791
		3792	warn "running post_init jobs";
		3793	(pop @POST_INIT)->(1) while @POST_INIT;
		3794
3424	warn "leaving sync_job";	3795	warn "leaving sync_job";
3425		3796
3426	1	3797	1
3427	} or do {	3798	} or do {
3428	warn $@;	3799	warn $@;
3429	warn "error while reloading, exiting.";	3800	cf::cleanup "error while reloading, exiting.";
3430	exit 1;
3431	};	3801	};
3432		3802
3433	warn "reloaded";	3803	warn "reloaded";
		3804	--$RELOAD;
		3805	}
		3806
		3807	$t1 = EV::time - $t1;
		3808	warn "reload completed in ${t1}s\n";
3434	};	3809	};
3435		3810
3436	our $RELOAD_WATCHER; # used only during reload	3811	our $RELOAD_WATCHER; # used only during reload
3437		3812
3438	sub reload_perl() {	3813	sub reload_perl() {
3439	# doing reload synchronously and two reloads happen back-to-back,	3814	# doing reload synchronously and two reloads happen back-to-back,
3440	# coro crashes during coro_state_free->destroy here.	3815	# coro crashes during coro_state_free->destroy here.
3441		3816
3442	$RELOAD_WATCHER ||= Event->timer (	3817	$RELOAD_WATCHER ||= cf::async {
3443	reentrant => 0,	3818	Coro::AIO::aio_wait cache_extensions;
3444	after => 0,	3819
3445	data => WF_AUTOCANCEL,	3820	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3446	cb => sub {
3447	do_reload_perl;	3821	do_reload_perl;
3448	undef $RELOAD_WATCHER;	3822	undef $RELOAD_WATCHER;
3449	},	3823	};
3450	);	3824	};
3451	}	3825	}
3452		3826
3453	register_command "reload" => sub {	3827	register_command "reload" => sub {
3454	my ($who, $arg) = @_;	3828	my ($who, $arg) = @_;
3455		3829
…		…
3468		3842
3469	our @WAIT_FOR_TICK;	3843	our @WAIT_FOR_TICK;
3470	our @WAIT_FOR_TICK_BEGIN;	3844	our @WAIT_FOR_TICK_BEGIN;
3471		3845
3472	sub wait_for_tick {	3846	sub wait_for_tick {
3473	return unless $TICK_WATCHER->is_active;
3474	return if $Coro::current == $Coro::main;	3847	return if tick_inhibit || $Coro::current == $Coro::main;
3475		3848
3476	my $signal = new Coro::Signal;	3849	my $signal = new Coro::Signal;
3477	push @WAIT_FOR_TICK, $signal;	3850	push @WAIT_FOR_TICK, $signal;
3478	$signal->wait;	3851	$signal->wait;
3479	}	3852	}
3480		3853
3481	sub wait_for_tick_begin {	3854	sub wait_for_tick_begin {
3482	return unless $TICK_WATCHER->is_active;
3483	return if $Coro::current == $Coro::main;	3855	return if tick_inhibit || $Coro::current == $Coro::main;
3484		3856
3485	my $signal = new Coro::Signal;	3857	my $signal = new Coro::Signal;
3486	push @WAIT_FOR_TICK_BEGIN, $signal;	3858	push @WAIT_FOR_TICK_BEGIN, $signal;
3487	$signal->wait;	3859	$signal->wait;
3488	}	3860	}
3489		3861
3490	$TICK_WATCHER = Event->timer (	3862	sub tick {
3491	reentrant => 0,
3492	parked => 1,
3493	prio => 0,
3494	at => $NEXT_TICK || $TICK,
3495	data => WF_AUTOCANCEL,
3496	cb => sub {
3497	if ($Coro::current != $Coro::main) {	3863	if ($Coro::current != $Coro::main) {
3498	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3864	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3499	unless ++$bug_warning > 10;	3865	unless ++$bug_warning > 10;
3500	return;	3866	return;
3501	}	3867	}
3502		3868
3503	$NOW = $tick_start = Event::time;
3504
3505	cf::server_tick; # one server iteration	3869	cf::server_tick; # one server iteration
3506		3870
3507	$RUNTIME += $TICK;
3508	$NEXT_TICK += $TICK;
3509
3510	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3871	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3511	$NEXT_RUNTIME_WRITE = $NOW + 10;	3872	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3512	Coro::async_pool {	3873	Coro::async_pool {
3513	$Coro::current->{desc} = "runtime saver";	3874	$Coro::current->{desc} = "runtime saver";
3514	write_runtime	3875	write_runtime_sync
3515	or warn "ERROR: unable to write runtime file: $!";	3876	or warn "ERROR: unable to write runtime file: $!";
3516	};
3517	}	3877	};
		3878	}
3518		3879
3519	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3880	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3520	$sig->send;	3881	$sig->send;
3521	}	3882	}
3522	while (my $sig = shift @WAIT_FOR_TICK) {	3883	while (my $sig = shift @WAIT_FOR_TICK) {
3523	$sig->send;	3884	$sig->send;
3524	}	3885	}
3525		3886
3526	$NOW = Event::time;	3887	$LOAD = ($NOW - $TICK_START) / $TICK;
3527
3528	# if we are delayed by four ticks or more, skip them all
3529	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3530
3531	$TICK_WATCHER->at ($NEXT_TICK);
3532	$TICK_WATCHER->start;
3533
3534	$LOAD = ($NOW - $tick_start) / $TICK;
3535	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3888	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3536		3889
3537	_post_tick;	3890	if (0) {
		3891	if ($NEXT_TICK) {
		3892	my $jitter = $TICK_START - $NEXT_TICK;
		3893	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3894	warn "jitter $JITTER\n";#d#
		3895	}
3538	},	3896	}
3539	);	3897	}
3540		3898
3541	{	3899	{
		3900	# configure BDB
		3901
3542	BDB::min_parallel 8;	3902	BDB::min_parallel 8;
3543	BDB::max_poll_time $TICK * 0.1;	3903	BDB::max_poll_reqs $TICK * 0.1;
3544	$BDB_POLL_WATCHER = Event->io (	3904	$AnyEvent::BDB::WATCHER->priority (1);
3545	reentrant => 0,
3546	fd => BDB::poll_fileno,
3547	poll => 'r',
3548	prio => 0,
3549	data => WF_AUTOCANCEL,
3550	cb => \&BDB::poll_cb,
3551	);
3552
3553	BDB::set_sync_prepare {
3554	my $status;
3555	my $current = $Coro::current;
3556	(
3557	sub {
3558	$status = $!;
3559	$current->ready; undef $current;
3560	},
3561	sub {
3562	Coro::schedule while defined $current;
3563	$! = $status;
3564	},
3565	)
3566	};
3567		3905
3568	unless ($DB_ENV) {	3906	unless ($DB_ENV) {
3569	$DB_ENV = BDB::db_env_create;	3907	$DB_ENV = BDB::db_env_create;
3570	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	3908	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3571	| BDB::LOG_AUTOREMOVE, 1);	3909	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3910	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3572	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	3911	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3573	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	3912	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3574		3913
3575	cf::sync_job {	3914	cf::sync_job {
3576	eval {	3915	eval {
…		…
3586		3925
3587	cf::cleanup "db_env_open(db): $@" if $@;	3926	cf::cleanup "db_env_open(db): $@" if $@;
3588	};	3927	};
3589	}	3928	}
3590		3929
3591	$BDB_DEADLOCK_WATCHER = Event->timer (	3930	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3592	after => 3,
3593	interval => 1,
3594	hard => 1,
3595	prio => 0,
3596	data => WF_AUTOCANCEL,
3597	cb => sub {
3598	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };	3931	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3599	},
3600	);	3932	};
3601	$BDB_CHECKPOINT_WATCHER = Event->timer (	3933	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3602	after => 11,
3603	interval => 60,
3604	hard => 1,
3605	prio => 0,
3606	data => WF_AUTOCANCEL,
3607	cb => sub {
3608	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	3934	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3609	},
3610	);	3935	};
3611	$BDB_TRICKLE_WATCHER = Event->timer (	3936	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3612	after => 5,
3613	interval => 10,
3614	hard => 1,
3615	prio => 0,
3616	data => WF_AUTOCANCEL,
3617	cb => sub {
3618	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	3937	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3619	},
3620	);	3938	};
3621	}	3939	}
3622		3940
3623	{	3941	{
		3942	# configure IO::AIO
		3943
3624	IO::AIO::min_parallel 8;	3944	IO::AIO::min_parallel 8;
3625
3626	undef $Coro::AIO::WATCHER;
3627	IO::AIO::max_poll_time $TICK * 0.1;	3945	IO::AIO::max_poll_time $TICK * 0.1;
3628	$AIO_POLL_WATCHER = Event->io (	3946	undef $AnyEvent::AIO::WATCHER;
3629	reentrant => 0,
3630	data => WF_AUTOCANCEL,
3631	fd => IO::AIO::poll_fileno,
3632	poll => 'r',
3633	prio => 0,
3634	cb => \&IO::AIO::poll_cb,
3635	);
3636	}	3947	}
3637		3948
3638	my $_log_backtrace;	3949	my $_log_backtrace;
3639		3950
3640	sub _log_backtrace {	3951	sub _log_backtrace {
…		…
3643	$msg =~ s/\n//;	3954	$msg =~ s/\n//;
3644		3955
3645	# limit the # of concurrent backtraces	3956	# limit the # of concurrent backtraces
3646	if ($_log_backtrace < 2) {	3957	if ($_log_backtrace < 2) {
3647	++$_log_backtrace;	3958	++$_log_backtrace;
		3959	my $perl_bt = Carp::longmess $msg;
3648	async {	3960	async {
3649	$Coro::current->{desc} = "abt $msg";	3961	$Coro::current->{desc} = "abt $msg";
3650		3962
3651	my @bt = fork_call {	3963	my @bt = fork_call {
3652	@addr = map { sprintf "%x", $_ } @addr;	3964	@addr = map { sprintf "%x", $_ } @addr;
…		…
3663	}	3975	}
3664		3976
3665	@funcs	3977	@funcs
3666	};	3978	};
3667		3979
3668	LOG llevInfo, "[ABT] $msg\n";	3980	LOG llevInfo, "[ABT] $perl_bt\n";
		3981	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3669	LOG llevInfo, "[ABT] $_\n" for @bt;	3982	LOG llevInfo, "[ABT] $_\n" for @bt;
3670	--$_log_backtrace;	3983	--$_log_backtrace;
3671	};	3984	};
3672	} else {	3985	} else {
3673	LOG llevInfo, "[ABT] $msg\n";	3986	LOG llevInfo, "[ABT] $msg\n";
3674	LOG llevInfo, "[ABT] [suppressed]\n";	3987	LOG llevInfo, "[ABT] [suppressed]\n";
3675	}	3988	}
3676	}	3989	}
3677		3990
3678	# load additional modules	3991	# load additional modules
3679	use cf::pod;	3992	require "cf/$_.pm" for @EXTRA_MODULES;
		3993	cf::_connect_to_perl_2;
3680		3994
3681	END { cf::emergency_save }	3995	END { cf::emergency_save }
3682		3996
3683	1	3997	1
3684		3998

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