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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.389 by root, Sat Oct 20 04:39:57 2007 UTC vs.
Revision 1.488 by root, Wed Oct 21 00:44:39 2009 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Socket;	31	use Socket;
9	use Event;	32	use EV;
10	use Opcode;	33	use Opcode;
11	use Safe;	34	use Safe;
12	use Safe::Hole;	35	use Safe::Hole;
13	use Storable ();	36	use Storable ();
14		37
		38	use Guard ();
15	use Coro 4.1 ();	39	use Coro ();
16	use Coro::State;	40	use Coro::State;
17	use Coro::Handle;	41	use Coro::Handle;
		42	use Coro::EV;
18	use Coro::Event;	43	use Coro::AnyEvent;
19	use Coro::Timer;	44	use Coro::Timer;
20	use Coro::Signal;	45	use Coro::Signal;
21	use Coro::Semaphore;	46	use Coro::Semaphore;
		47	use Coro::SemaphoreSet;
		48	use Coro::AnyEvent;
22	use Coro::AIO;	49	use Coro::AIO;
		50	use Coro::BDB 1.6;
23	use Coro::Storable;	51	use Coro::Storable;
24	use Coro::Util ();	52	use Coro::Util ();
25		53
26	use JSON::XS ();	54	use JSON::XS 2.01 ();
27	use BDB ();	55	use BDB ();
28	use Data::Dumper;	56	use Data::Dumper;
29	use Digest::MD5;	57	use Digest::MD5;
30	use Fcntl;	58	use Fcntl;
31	use YAML::Syck ();	59	use YAML::XS ();
32	use IO::AIO 2.51 ();	60	use IO::AIO ();
33	use Time::HiRes;	61	use Time::HiRes;
34	use Compress::LZF;	62	use Compress::LZF;
35	use Digest::MD5 ();	63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
36		66
37	# configure various modules to our taste	67	# configure various modules to our taste
38	#	68	#
39	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42		77
43	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
44		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		80
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
51		82
52	our %COMMAND = ();	83	our %COMMAND = ();
53	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
…		…
56	our %EXTCMD = ();	87	our %EXTCMD = ();
57	our %EXTICMD = ();	88	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
60		91
61	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
63		96
64	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
65	our $DATADIR = datadir;	98	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
69	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE;
75		112
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	113	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	114	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	115	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	116	our $USE_FSYNC = 1; # use fsync to write maps - default on
83		117
84	our $BDB_POLL_WATCHER;
85	our $BDB_DEADLOCK_WATCHER;	118	our $BDB_DEADLOCK_WATCHER;
86	our $BDB_CHECKPOINT_WATCHER;	119	our $BDB_CHECKPOINT_WATCHER;
87	our $BDB_TRICKLE_WATCHER;	120	our $BDB_TRICKLE_WATCHER;
88	our $DB_ENV;	121	our $DB_ENV;
89		122
		123	our @EXTRA_MODULES = qw(pod match mapscript);
		124
90	our %CFG;	125	our %CFG;
91		126
92	our $UPTIME; $UPTIME ||= time;	127	our $UPTIME; $UPTIME ||= time;
93	our $RUNTIME;	128	our $RUNTIME;
		129	our $NOW;
94		130
95	our (%PLAYER, %PLAYER_LOADING); # all users	131	our (%PLAYER, %PLAYER_LOADING); # all users
96	our (%MAP, %MAP_LOADING ); # all maps	132	our (%MAP, %MAP_LOADING ); # all maps
97	our $LINK_MAP; # the special {link} map, which is always available	133	our $LINK_MAP; # the special {link} map, which is always available
98		134
99	# used to convert map paths into valid unix filenames by replacing / by ∕	135	# used to convert map paths into valid unix filenames by replacing / by ∕
100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	136	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
101		137
102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	138	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
103	our $LOADAVG; # same thing, but with alpha-smoothing	139	our $LOADAVG; # same thing, but with alpha-smoothing
		140	our $JITTER; # average jitter
104	our $tick_start; # for load detecting purposes	141	our $TICK_START; # for load detecting purposes
		142
		143	our @POST_INIT;
		144
		145	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		146	our $REALLY_UNLOOP; # never set to true, please :)
105		147
106	binmode STDOUT;	148	binmode STDOUT;
107	binmode STDERR;	149	binmode STDERR;
108		150
109	# read virtual server time, if available	151	# read virtual server time, if available
110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	152	unless ($RUNTIME || !-e $RUNTIMEFILE) {
111	open my $fh, "<", "$LOCALDIR/runtime"	153	open my $fh, "<", $RUNTIMEFILE
112	or die "unable to read runtime file: $!";	154	or die "unable to read $RUNTIMEFILE file: $!";
113	$RUNTIME = <$fh> + 0.;	155	$RUNTIME = <$fh> + 0.;
114	}	156	}
		157
		158	eval "sub TICK() { $TICK } 1" or die;
115		159
116	mkdir $_	160	mkdir $_
117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	161	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
118		162
119	our $EMERGENCY_POSITION;	163	our $EMERGENCY_POSITION;
120		164
121	sub cf::map::normalise;	165	sub cf::map::normalise;
		166
		167	#############################################################################
		168
		169	%REFLECT = ();
		170	for (@REFLECT) {
		171	my $reflect = JSON::XS::decode_json $_;
		172	$REFLECT{$reflect->{class}} = $reflect;
		173	}
		174
		175	# this is decidedly evil
		176	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
122		177
123	#############################################################################	178	#############################################################################
124		179
125	=head2 GLOBAL VARIABLES	180	=head2 GLOBAL VARIABLES
126		181
…		…
162		217
163	The raw value load value from the last tick.	218	The raw value load value from the last tick.
164		219
165	=item %cf::CFG	220	=item %cf::CFG
166		221
167	Configuration for the server, loaded from C</etc/crossfire/config>, or	222	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
168	from wherever your confdir points to.	223	from wherever your confdir points to.
169		224
170	=item cf::wait_for_tick, cf::wait_for_tick_begin	225	=item cf::wait_for_tick, cf::wait_for_tick_begin
171		226
172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	227	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
173	returns directly I<after> the tick processing (and consequently, can only wake one process	228	returns directly I<after> the tick processing (and consequently, can only wake one process
174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	229	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
175		230
176	=item @cf::INVOKE_RESULTS	231	=item @cf::INVOKE_RESULTS
177		232
178	This array contains the results of the last C<invoke ()> call. When	233	This array contains the results of the last C<invoke ()> call. When
179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	234	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
180	that call.	235	that call.
181		236
		237	=item %cf::REFLECT
		238
		239	Contains, for each (C++) class name, a hash reference with information
		240	about object members (methods, scalars, arrays and flags) and other
		241	metadata, which is useful for introspection.
		242
182	=back	243	=back
183		244
184	=cut	245	=cut
185		246
186	BEGIN {	247	$Coro::State::WARNHOOK = sub {
187	*CORE::GLOBAL::warn = sub {
188	my $msg = join "", @_;	248	my $msg = join "", @_;
189		249
190	$msg .= "\n"	250	$msg .= "\n"
191	unless $msg =~ /\n$/;	251	unless $msg =~ /\n$/;
192		252
193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	253	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
194		254
195	LOG llevError, $msg;	255	LOG llevError, $msg;
196	};	256	};
197	}	257
		258	$Coro::State::DIEHOOK = sub {
		259	return unless $^S eq 0; # "eq", not "=="
		260
		261	warn Carp::longmess $_[0];
		262
		263	if ($Coro::current == $Coro::main) {#d#
		264	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		265	return;#d#
		266	}#d#
		267
		268	# kill coroutine otherwise
		269	Coro::terminate
		270	};
198		271
199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	272	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	273	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	274	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	275	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
209	for my $pkg (qw(	282	for my $pkg (qw(
210	cf::global cf::attachable	283	cf::global cf::attachable
211	cf::object cf::object::player	284	cf::object cf::object::player
212	cf::client cf::player	285	cf::client cf::player
213	cf::arch cf::living	286	cf::arch cf::living
		287	cf::map cf::mapspace
214	cf::map cf::party cf::region	288	cf::party cf::region
215	)) {	289	)) {
216	no strict 'refs';
217	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	290	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
218	}	291	}
219		292
220	$Event::DIED = sub {	293	$EV::DIED = sub {
221	warn "error in event callback: @_";	294	warn "error in event callback: @_";
222	};	295	};
223		296
224	#############################################################################	297	#############################################################################
225		298
…		…
248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	321	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
249	$d	322	$d
250	} || "[unable to dump $_[0]: '$@']";	323	} || "[unable to dump $_[0]: '$@']";
251	}	324	}
252		325
253	=item $ref = cf::from_json $json	326	=item $ref = cf::decode_json $json
254		327
255	Converts a JSON string into the corresponding perl data structure.	328	Converts a JSON string into the corresponding perl data structure.
256		329
257	=item $json = cf::to_json $ref	330	=item $json = cf::encode_json $ref
258		331
259	Converts a perl data structure into its JSON representation.	332	Converts a perl data structure into its JSON representation.
260		333
261	=cut	334	=cut
262		335
263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	336	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
264		337
265	sub to_json ($) { $json_coder->encode ($_[0]) }	338	sub encode_json($) { $json_coder->encode ($_[0]) }
266	sub from_json ($) { $json_coder->decode ($_[0]) }	339	sub decode_json($) { $json_coder->decode ($_[0]) }
		340
		341	=item cf::post_init { BLOCK }
		342
		343	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		344	but I<before> the server starts ticking again.
		345
		346	The cdoeblock will have a single boolean argument to indicate whether this
		347	is a reload or not.
		348
		349	=cut
		350
		351	sub post_init(&) {
		352	push @POST_INIT, shift;
		353	}
267		354
268	=item cf::lock_wait $string	355	=item cf::lock_wait $string
269		356
270	Wait until the given lock is available. See cf::lock_acquire.	357	Wait until the given lock is available. See cf::lock_acquire.
271		358
272	=item my $lock = cf::lock_acquire $string	359	=item my $lock = cf::lock_acquire $string
273		360
274	Wait until the given lock is available and then acquires it and returns	361	Wait until the given lock is available and then acquires it and returns
275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	362	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
276	for example when the coroutine gets canceled), the lock is automatically	363	for example when the coroutine gets canceled), the lock is automatically
277	returned.	364	returned.
278		365
279	Locks are *not* recursive, locking from the same coro twice results in a	366	Locks are *not* recursive, locking from the same coro twice results in a
280	deadlocked coro.	367	deadlocked coro.
…		…
286		373
287	Return true if the lock is currently active, i.e. somebody has locked it.	374	Return true if the lock is currently active, i.e. somebody has locked it.
288		375
289	=cut	376	=cut
290		377
291	our %LOCK;	378	our $LOCKS = new Coro::SemaphoreSet;
292	our %LOCKER;#d#
293		379
294	sub lock_wait($) {	380	sub lock_wait($) {
295	my ($key) = @_;	381	$LOCKS->wait ($_[0]);
296
297	if ($LOCKER{$key} == $Coro::current) {#d#
298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
299	return;#d#
300	}#d#
301
302	# wait for lock, if any
303	while ($LOCK{$key}) {
304	push @{ $LOCK{$key} }, $Coro::current;
305	Coro::schedule;
306	}
307	}	382	}
308		383
309	sub lock_acquire($) {	384	sub lock_acquire($) {
310	my ($key) = @_;	385	$LOCKS->guard ($_[0])
311
312	# wait, to be sure we are not locked
313	lock_wait $key;
314
315	$LOCK{$key} = [];
316	$LOCKER{$key} = $Coro::current;#d#
317
318	Coro::guard {
319	delete $LOCKER{$key};#d#
320	# wake up all waiters, to be on the safe side
321	$_->ready for @{ delete $LOCK{$key} };
322	}
323	}	386	}
324		387
325	sub lock_active($) {	388	sub lock_active($) {
326	my ($key) = @_;	389	$LOCKS->count ($_[0]) < 1
327
328	! ! $LOCK{$key}
329	}	390	}
330		391
331	sub freeze_mainloop {	392	sub freeze_mainloop {
332	return unless $TICK_WATCHER->is_active;	393	tick_inhibit_inc;
333		394
334	my $guard = Coro::guard {	395	&Guard::guard (\&tick_inhibit_dec);
335	$TICK_WATCHER->start;	396	}
336	};	397
337	$TICK_WATCHER->stop;	398	=item cf::periodic $interval, $cb
338	$guard	399
		400	Like EV::periodic, but randomly selects a starting point so that the actions
		401	get spread over timer.
		402
		403	=cut
		404
		405	sub periodic($$) {
		406	my ($interval, $cb) = @_;
		407
		408	my $start = rand List::Util::min 180, $interval;
		409
		410	EV::periodic $start, $interval, 0, $cb
339	}	411	}
340		412
341	=item cf::get_slot $time[, $priority[, $name]]	413	=item cf::get_slot $time[, $priority[, $name]]
342		414
343	Allocate $time seconds of blocking CPU time at priority C<$priority>:	415	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
383	}	455	}
384	}	456	}
385	};	457	};
386		458
387	sub get_slot($;$$) {	459	sub get_slot($;$$) {
		460	return if tick_inhibit || $Coro::current == $Coro::main;
		461
388	my ($time, $pri, $name) = @_;	462	my ($time, $pri, $name) = @_;
389		463
390	$time = $TICK * .6 if $time > $TICK * .6;	464	$time = $TICK * .6 if $time > $TICK * .6;
391	my $sig = new Coro::Signal;	465	my $sig = new Coro::Signal;
392		466
…		…
406		480
407	BEGIN { *async = \&Coro::async_pool }	481	BEGIN { *async = \&Coro::async_pool }
408		482
409	=item cf::sync_job { BLOCK }	483	=item cf::sync_job { BLOCK }
410		484
411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	485	The design of Deliantra requires that the main coroutine ($Coro::main)
412	is always able to handle events or runnable, as Crossfire TRT is only	486	is always able to handle events or runnable, as Deliantra is only
413	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	487	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
414	acceptable.	488	acceptable.
415		489
416	If it must be done, put the blocking parts into C<sync_job>. This will run	490	If it must be done, put the blocking parts into C<sync_job>. This will run
417	the given BLOCK in another coroutine while waiting for the result. The	491	the given BLOCK in another coroutine while waiting for the result. The
…		…
422		496
423	sub sync_job(&) {	497	sub sync_job(&) {
424	my ($job) = @_;	498	my ($job) = @_;
425		499
426	if ($Coro::current == $Coro::main) {	500	if ($Coro::current == $Coro::main) {
427	my $time = Event::time;	501	my $time = EV::time;
428		502
429	# this is the main coro, too bad, we have to block	503	# this is the main coro, too bad, we have to block
430	# till the operation succeeds, freezing the server :/	504	# till the operation succeeds, freezing the server :/
431		505
432	LOG llevError, Carp::longmess "sync job";#d#	506	LOG llevError, Carp::longmess "sync job";#d#
433		507
434	# TODO: use suspend/resume instead
435	# (but this is cancel-safe)
436	my $freeze_guard = freeze_mainloop;	508	my $freeze_guard = freeze_mainloop;
437		509
438	my $busy = 1;	510	my $busy = 1;
439	my @res;	511	my @res;
440		512
…		…
447		519
448	while ($busy) {	520	while ($busy) {
449	if (Coro::nready) {	521	if (Coro::nready) {
450	Coro::cede_notself;	522	Coro::cede_notself;
451	} else {	523	} else {
452	Event::one_event;	524	EV::loop EV::LOOP_ONESHOT;
453	}	525	}
454	}	526	}
455		527
456	$time = Event::time - $time;	528	my $time = EV::time - $time;
457		529
458	LOG llevError | logBacktrace, Carp::longmess "long sync job"
459	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
460
461	$tick_start += $time; # do not account sync jobs to server load	530	$TICK_START += $time; # do not account sync jobs to server load
462		531
463	wantarray ? @res : $res[0]	532	wantarray ? @res : $res[0]
464	} else {	533	} else {
465	# we are in another coroutine, how wonderful, everything just works	534	# we are in another coroutine, how wonderful, everything just works
466		535
…		…
491	=item fork_call { }, $args	560	=item fork_call { }, $args
492		561
493	Executes the given code block with the given arguments in a seperate	562	Executes the given code block with the given arguments in a seperate
494	process, returning the results. Everything must be serialisable with	563	process, returning the results. Everything must be serialisable with
495	Coro::Storable. May, of course, block. Note that the executed sub may	564	Coro::Storable. May, of course, block. Note that the executed sub may
496	never block itself or use any form of Event handling.	565	never block itself or use any form of event handling.
497		566
498	=cut	567	=cut
499		568
500	sub fork_call(&@) {	569	sub fork_call(&@) {
501	my ($cb, @args) = @_;	570	my ($cb, @args) = @_;
…		…
508	reset_signals;	577	reset_signals;
509	&$cb	578	&$cb
510	}, @args;	579	}, @args;
511		580
512	wantarray ? @res : $res[-1]	581	wantarray ? @res : $res[-1]
		582	}
		583
		584	=item $coin = coin_from_name $name
		585
		586	=cut
		587
		588	our %coin_alias = (
		589	"silver" => "silvercoin",
		590	"silvercoin" => "silvercoin",
		591	"silvercoins" => "silvercoin",
		592	"gold" => "goldcoin",
		593	"goldcoin" => "goldcoin",
		594	"goldcoins" => "goldcoin",
		595	"platinum" => "platinacoin",
		596	"platinumcoin" => "platinacoin",
		597	"platinumcoins" => "platinacoin",
		598	"platina" => "platinacoin",
		599	"platinacoin" => "platinacoin",
		600	"platinacoins" => "platinacoin",
		601	"royalty" => "royalty",
		602	"royalties" => "royalty",
		603	);
		604
		605	sub coin_from_name($) {
		606	$coin_alias{$_[0]}
		607	? cf::arch::find $coin_alias{$_[0]}
		608	: undef
513	}	609	}
514		610
515	=item $value = cf::db_get $family => $key	611	=item $value = cf::db_get $family => $key
516		612
517	Returns a single value from the environment database.	613	Returns a single value from the environment database.
…		…
656		752
657	#############################################################################	753	#############################################################################
658		754
659	=head2 ATTACHABLE OBJECTS	755	=head2 ATTACHABLE OBJECTS
660		756
661	Many objects in crossfire are so-called attachable objects. That means you can	757	Many objects in deliantra are so-called attachable objects. That means you can
662	attach callbacks/event handlers (a collection of which is called an "attachment")	758	attach callbacks/event handlers (a collection of which is called an "attachment")
663	to it. All such attachable objects support the following methods.	759	to it. All such attachable objects support the following methods.
664		760
665	In the following description, CLASS can be any of C<global>, C<object>	761	In the following description, CLASS can be any of C<global>, C<object>
666	C<player>, C<client> or C<map> (i.e. the attachable objects in	762	C<player>, C<client> or C<map> (i.e. the attachable objects in
667	Crossfire TRT).	763	Deliantra).
668		764
669	=over 4	765	=over 4
670		766
671	=item $attachable->attach ($attachment, key => $value...)	767	=item $attachable->attach ($attachment, key => $value...)
672		768
…		…
716	=item cf::CLASS::attachment $name, ...	812	=item cf::CLASS::attachment $name, ...
717		813
718	Register an attachment by C<$name> through which attachable objects of the	814	Register an attachment by C<$name> through which attachable objects of the
719	given CLASS can refer to this attachment.	815	given CLASS can refer to this attachment.
720		816
721	Some classes such as crossfire maps and objects can specify attachments	817	Some classes such as deliantra maps and objects can specify attachments
722	that are attached at load/instantiate time, thus the need for a name.	818	that are attached at load/instantiate time, thus the need for a name.
723		819
724	These calls expect any number of the following handler/hook descriptions:	820	These calls expect any number of the following handler/hook descriptions:
725		821
726	=over 4	822	=over 4
…		…
954	}	1050	}
955		1051
956	0	1052	0
957	}	1053	}
958		1054
959	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1055	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
960		1056
961	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1057	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
962		1058
963	Generate an object-specific event with the given arguments.	1059	Generate an object-specific event with the given arguments.
964		1060
…		…
1017		1113
1018	sub reattach {	1114	sub reattach {
1019	# basically do the same as instantiate, without calling instantiate	1115	# basically do the same as instantiate, without calling instantiate
1020	my ($obj) = @_;	1116	my ($obj) = @_;
1021		1117
		1118	# no longer needed after getting rid of delete_package?
1022	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1119	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1023		1120
1024	my $registry = $obj->registry;	1121	my $registry = $obj->registry;
1025		1122
1026	@$registry = ();	1123	@$registry = ();
1027		1124
…		…
1042	cf::attachable->attach (	1139	cf::attachable->attach (
1043	prio => -1000000,	1140	prio => -1000000,
1044	on_instantiate => sub {	1141	on_instantiate => sub {
1045	my ($obj, $data) = @_;	1142	my ($obj, $data) = @_;
1046		1143
1047	$data = from_json $data;	1144	$data = decode_json $data;
1048		1145
1049	for (@$data) {	1146	for (@$data) {
1050	my ($name, $args) = @$_;	1147	my ($name, $args) = @$_;
1051		1148
1052	$obj->attach ($name, %{$args || {} });	1149	$obj->attach ($name, %{$args || {} });
…		…
1073	utf8::decode (my $decname = $filename);	1170	utf8::decode (my $decname = $filename);
1074	warn sprintf "saving %s (%d,%d)\n",	1171	warn sprintf "saving %s (%d,%d)\n",
1075	$decname, length $$rdata, scalar @$objs;	1172	$decname, length $$rdata, scalar @$objs;
1076		1173
1077	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1174	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1078	chmod SAVE_MODE, $fh;	1175	aio_chmod $fh, SAVE_MODE;
1079	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1176	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1080	aio_fsync $fh if $cf::USE_FSYNC;	1177	if ($cf::USE_FSYNC) {
		1178	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1179	aio_fsync $fh;
		1180	}
1081	close $fh;	1181	aio_close $fh;
1082		1182
1083	if (@$objs) {	1183	if (@$objs) {
1084	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1184	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1085	chmod SAVE_MODE, $fh;	1185	aio_chmod $fh, SAVE_MODE;
1086	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1186	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1087	aio_write $fh, 0, (length $data), $data, 0;	1187	aio_write $fh, 0, (length $data), $data, 0;
1088	aio_fsync $fh if $cf::USE_FSYNC;	1188	if ($cf::USE_FSYNC) {
		1189	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1190	aio_fsync $fh;
		1191	}
1089	close $fh;	1192	aio_close $fh;
1090	aio_rename "$filename.pst~", "$filename.pst";	1193	aio_rename "$filename.pst~", "$filename.pst";
1091	}	1194	}
1092	} else {	1195	} else {
1093	aio_unlink "$filename.pst";	1196	aio_unlink "$filename.pst";
1094	}	1197	}
1095		1198
1096	aio_rename "$filename~", $filename;	1199	aio_rename "$filename~", $filename;
		1200
		1201	$filename =~ s%/[^/]+$%%;
		1202	aio_pathsync $filename if $cf::USE_FSYNC;
1097	} else {	1203	} else {
1098	warn "FATAL: $filename~: $!\n";	1204	warn "unable to save objects: $filename~: $!\n";
1099	}	1205	}
1100	} else {	1206	} else {
1101	aio_unlink $filename;	1207	aio_unlink $filename;
1102	aio_unlink "$filename.pst";	1208	aio_unlink "$filename.pst";
1103	}	1209	}
…		…
1194	my ($name, $cb) = @_;	1300	my ($name, $cb) = @_;
1195		1301
1196	$EXTICMD{$name} = $cb;	1302	$EXTICMD{$name} = $cb;
1197	}	1303	}
1198		1304
		1305	use File::Glob ();
		1306
1199	cf::player->attach (	1307	cf::player->attach (
1200	on_command => sub {	1308	on_command => sub {
1201	my ($pl, $name, $params) = @_;	1309	my ($pl, $name, $params) = @_;
1202		1310
1203	my $cb = $COMMAND{$name}	1311	my $cb = $COMMAND{$name}
…		…
1235		1343
1236	cf::override;	1344	cf::override;
1237	},	1345	},
1238	);	1346	);
1239		1347
		1348	# "readahead" all extensions
		1349	sub cache_extensions {
		1350	my $grp = IO::AIO::aio_group;
		1351
		1352	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1353	for (grep /\.ext$/, @{$_[0]}) {
		1354	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1355	}
		1356	};
		1357
		1358	$grp
		1359	}
		1360
1240	sub load_extensions {	1361	sub load_extensions {
1241	cf::sync_job {	1362	cf::sync_job {
1242	my %todo;	1363	my %todo;
1243		1364
1244	for my $path (<$LIBDIR/*.ext>) {	1365	for my $path (<$LIBDIR/*.ext>) {
…		…
1263		1384
1264	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1385	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1265	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1386	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1266		1387
1267	$ext{source} =	1388	$ext{source} =
1268	"package $pkg; use strict; use utf8;\n"	1389	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1269	. "#line 1 \"$path\"\n{\n"	1390	. "#line 1 \"$path\"\n{\n"
1270	. $source	1391	. $source
1271	. "\n};\n1";	1392	. "\n};\n1";
1272		1393
1273	$todo{$base} = \%ext;	1394	$todo{$base} = \%ext;
…		…
1289	my $msg = $@ ? "$v->{path}: $@\n"	1410	my $msg = $@ ? "$v->{path}: $@\n"
1290	: "$v->{base}: extension inactive.\n";	1411	: "$v->{base}: extension inactive.\n";
1291		1412
1292	if (exists $v->{meta}{mandatory}) {	1413	if (exists $v->{meta}{mandatory}) {
1293	warn $msg;	1414	warn $msg;
1294	warn "mandatory extension failed to load, exiting.\n";	1415	cf::cleanup "mandatory extension failed to load, exiting.";
1295	exit 1;
1296	}	1416	}
1297		1417
1298	warn $msg;	1418	warn $msg;
1299	}	1419	}
1300		1420
…		…
1314		1434
1315	=back	1435	=back
1316		1436
1317	=head2 CORE EXTENSIONS	1437	=head2 CORE EXTENSIONS
1318		1438
1319	Functions and methods that extend core crossfire objects.	1439	Functions and methods that extend core deliantra objects.
1320		1440
1321	=cut	1441	=cut
1322		1442
1323	package cf::player;	1443	package cf::player;
1324		1444
…		…
1367		1487
1368	sub exists($) {	1488	sub exists($) {
1369	my ($login) = @_;	1489	my ($login) = @_;
1370		1490
1371	$cf::PLAYER{$login}	1491	$cf::PLAYER{$login}
1372	or cf::sync_job { !aio_stat path $login }	1492	or !aio_stat path $login
1373	}	1493	}
1374		1494
1375	sub find($) {	1495	sub find($) {
1376	return $cf::PLAYER{$_[0]} || do {	1496	return $cf::PLAYER{$_[0]} || do {
1377	my $login = $_[0];	1497	my $login = $_[0];
…		…
1389	my $f = new_from_file cf::object::thawer path $login	1509	my $f = new_from_file cf::object::thawer path $login
1390	or return;	1510	or return;
1391		1511
1392	my $pl = cf::player::load_pl $f	1512	my $pl = cf::player::load_pl $f
1393	or return;	1513	or return;
		1514
1394	local $cf::PLAYER_LOADING{$login} = $pl;	1515	local $cf::PLAYER_LOADING{$login} = $pl;
1395	$f->resolve_delayed_derefs;	1516	$f->resolve_delayed_derefs;
1396	$cf::PLAYER{$login} = $pl	1517	$cf::PLAYER{$login} = $pl
1397	}	1518	}
1398	}	1519	}
…		…
1408		1529
1409	return if $pl->{deny_save};	1530	return if $pl->{deny_save};
1410		1531
1411	aio_mkdir playerdir $pl, 0770;	1532	aio_mkdir playerdir $pl, 0770;
1412	$pl->{last_save} = $cf::RUNTIME;	1533	$pl->{last_save} = $cf::RUNTIME;
		1534
		1535	cf::get_slot 0.01;
1413		1536
1414	$pl->save_pl ($path);	1537	$pl->save_pl ($path);
1415	cf::cede_to_tick;	1538	cf::cede_to_tick;
1416	}	1539	}
1417		1540
…		…
1449	my ($pl) = @_;	1572	my ($pl) = @_;
1450		1573
1451	my $name = $pl->ob->name;	1574	my $name = $pl->ob->name;
1452		1575
1453	$pl->{deny_save} = 1;	1576	$pl->{deny_save} = 1;
1454	$pl->password ("*"); # this should lock out the player until we nuked the dir	1577	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1455		1578
1456	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1579	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1457	$pl->deactivate;	1580	$pl->deactivate;
		1581	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1582	$pl->ob->check_score;
1458	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1583	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1459	$pl->ns->destroy if $pl->ns;	1584	$pl->ns->destroy if $pl->ns;
1460		1585
1461	my $path = playerdir $pl;	1586	my $path = playerdir $pl;
1462	my $temp = "$path~$cf::RUNTIME~deleting~";	1587	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1501		1626
1502	for my $login (@$dirs) {	1627	for my $login (@$dirs) {
1503	my $path = path $login;	1628	my $path = path $login;
1504		1629
1505	# a .pst is a dead give-away for a valid player	1630	# a .pst is a dead give-away for a valid player
1506	unless (-e "$path.pst") {	1631	# if no pst file found, open and chekc for blocked users
		1632	if (aio_stat "$path.pst") {
1507	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1633	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1508	aio_read $fh, 0, 512, my $buf, 0 or next;	1634	aio_read $fh, 0, 512, my $buf, 0 or next;
1509	$buf !~ /^password -------------$/m or next; # official not-valid tag	1635	$buf !~ /^password -------------$/m or next; # official not-valid tag
1510	}	1636	}
1511		1637
…		…
1542	}	1668	}
1543		1669
1544	\@paths	1670	\@paths
1545	}	1671	}
1546		1672
1547	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1673	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1548		1674
1549	Expand crossfire pod fragments into protocol xml.	1675	Expand deliantra pod fragments into protocol xml.
1550
1551	=cut
1552
1553	sub expand_cfpod {
1554	((my $self), (local $_)) = @_;
1555
1556	# escape & and <
1557	s/&/&amp;/g;
1558	s/(?<![BIUGHT])</&lt;/g;
1559
1560	# this is buggy, it needs to properly take care of nested <'s
1561
1562	1 while
1563	# replace B<>, I<>, U<> etc.
1564	s/B<([^\>]*)>/<b>$1<\/b>/
1565	|| s/I<([^\>]*)>/<i>$1<\/i>/
1566	|| s/U<([^\>]*)>/<u>$1<\/u>/
1567	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1568	# replace G<male|female> tags
1569	|| s{G<([^>|]*)\|([^>]*)>}{
1570	$self->gender ? $2 : $1
1571	}ge
1572	# replace H<hint text>
1573	|| s{H<([^\>]*)>}
1574	{
1575	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1576	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1577	"")
1578	[$self->{hintmode}]
1579	}ge;
1580
1581	# create single paragraphs (very hackish)
1582	s/(?<=\S)\n(?=\w)/ /g;
1583
1584	# compress some whitespace
1585	s/\s+\n/\n/g; # ws line-ends
1586	s/\n\n+/\n/g; # double lines
1587	s/^\n+//; # beginning lines
1588	s/\n+$//; # ending lines
1589
1590	$_
1591	}
1592
1593	sub hintmode {
1594	$_[0]{hintmode} = $_[1] if @_ > 1;
1595	$_[0]{hintmode}
1596	}
1597		1676
1598	=item $player->ext_reply ($msgid, @msg)	1677	=item $player->ext_reply ($msgid, @msg)
1599		1678
1600	Sends an ext reply to the player.	1679	Sends an ext reply to the player.
1601		1680
…		…
1668	our $MAX_RESET = 3600;	1747	our $MAX_RESET = 3600;
1669	our $DEFAULT_RESET = 3000;	1748	our $DEFAULT_RESET = 3000;
1670		1749
1671	sub generate_random_map {	1750	sub generate_random_map {
1672	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
1673	# mit "rum" bekleckern, nicht	1755	# mit "rum" bekleckern, nicht
1674	$self->_create_random_map (	1756	$self->_create_random_map (
1675	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1757	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1676	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1758	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1677	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1759	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1799		1881
1800	# the temporary/swap location	1882	# the temporary/swap location
1801	sub save_path {	1883	sub save_path {
1802	my ($self) = @_;	1884	my ($self) = @_;
1803		1885
1804	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1886	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1805	"$TMPDIR/$path.map"	1887	"$TMPDIR/$path.map"
1806	}	1888	}
1807		1889
1808	# the unique path, undef == no special unique path	1890	# the unique path, undef == no special unique path
1809	sub uniq_path {	1891	sub uniq_path {
1810	my ($self) = @_;	1892	my ($self) = @_;
1811		1893
1812	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1894	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1813	"$UNIQUEDIR/$path"	1895	"$UNIQUEDIR/$path"
1814	}
1815
1816	# and all this just because we cannot iterate over
1817	# all maps in C++...
1818	sub change_all_map_light {
1819	my ($change) = @_;
1820
1821	$_->change_map_light ($change)
1822	for grep $_->outdoor, values %cf::MAP;
1823	}	1896	}
1824		1897
1825	sub decay_objects {	1898	sub decay_objects {
1826	my ($self) = @_;	1899	my ($self) = @_;
1827		1900
…		…
1911	sub find {	1984	sub find {
1912	my ($path, $origin) = @_;	1985	my ($path, $origin) = @_;
1913		1986
1914	$path = normalise $path, $origin && $origin->path;	1987	$path = normalise $path, $origin && $origin->path;
1915		1988
1916	cf::lock_wait "map_data:$path";#d#remove	1989	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1917	cf::lock_wait "map_find:$path";	1990	my $guard2 = cf::lock_acquire "map_find:$path";
1918		1991
1919	$cf::MAP{$path} || do {	1992	$cf::MAP{$path} || do {
1920	my $guard1 = cf::lock_acquire "map_find:$path";
1921	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1922
1923	my $map = new_from_path cf::map $path	1993	my $map = new_from_path cf::map $path
1924	or return;	1994	or return;
1925		1995
1926	$map->{last_save} = $cf::RUNTIME;	1996	$map->{last_save} = $cf::RUNTIME;
1927		1997
…		…
1929	or return;	1999	or return;
1930		2000
1931	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2001	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1932	# doing this can freeze the server in a sync job, obviously	2002	# doing this can freeze the server in a sync job, obviously
1933	#$cf::WAIT_FOR_TICK->wait;	2003	#$cf::WAIT_FOR_TICK->wait;
		2004	undef $guard2;
1934	undef $guard1;	2005	undef $guard1;
1935	undef $guard2;
1936	$map->reset;	2006	$map->reset;
1937	return find $path;	2007	return find $path;
1938	}	2008	}
1939		2009
1940	$cf::MAP{$path} = $map	2010	$cf::MAP{$path} = $map
…		…
1967	my $f = new_from_file cf::object::thawer $self->{load_path};	2037	my $f = new_from_file cf::object::thawer $self->{load_path};
1968	$f->skip_block;	2038	$f->skip_block;
1969	$self->_load_objects ($f)	2039	$self->_load_objects ($f)
1970	or return;	2040	or return;
1971		2041
1972	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2042	$self->post_load_original
1973	if delete $self->{load_original};	2043	if delete $self->{load_original};
1974		2044
1975	if (my $uniq = $self->uniq_path) {	2045	if (my $uniq = $self->uniq_path) {
1976	utf8::encode $uniq;	2046	utf8::encode $uniq;
1977	unless (aio_stat $uniq) {	2047	unless (aio_stat $uniq) {
…		…
1995	unless ($self->{deny_activate}) {	2065	unless ($self->{deny_activate}) {
1996	$self->decay_objects;	2066	$self->decay_objects;
1997	$self->fix_auto_apply;	2067	$self->fix_auto_apply;
1998	$self->update_buttons;	2068	$self->update_buttons;
1999	cf::cede_to_tick;	2069	cf::cede_to_tick;
2000	$self->set_darkness_map;
2001	cf::cede_to_tick;
2002	$self->activate;	2070	$self->activate;
2003	}	2071	}
2004		2072
2005	$self->{last_save} = $cf::RUNTIME;	2073	$self->{last_save} = $cf::RUNTIME;
2006	$self->last_access ($cf::RUNTIME);	2074	$self->last_access ($cf::RUNTIME);
2007		2075
2008	$self->in_memory (cf::MAP_IN_MEMORY);	2076	$self->in_memory (cf::MAP_ACTIVE);
2009	}	2077	}
2010		2078
2011	$self->post_load;	2079	$self->post_load;
2012	}	2080	}
2013		2081
…		…
2071	my ($path, $origin, $load) = @_;	2139	my ($path, $origin, $load) = @_;
2072		2140
2073	$path = normalise $path, $origin && $origin->{path};	2141	$path = normalise $path, $origin && $origin->{path};
2074		2142
2075	if (my $map = $cf::MAP{$path}) {	2143	if (my $map = $cf::MAP{$path}) {
2076	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2144	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2077	}	2145	}
2078		2146
2079	$MAP_PREFETCH{$path} |= $load;	2147	$MAP_PREFETCH{$path} |= $load;
2080		2148
2081	$MAP_PREFETCHER ||= cf::async {	2149	$MAP_PREFETCHER ||= cf::async {
…		…
2118	cf::async {	2186	cf::async {
2119	$Coro::current->{desc} = "map player save";	2187	$Coro::current->{desc} = "map player save";
2120	$_->contr->save for $self->players;	2188	$_->contr->save for $self->players;
2121	};	2189	};
2122		2190
		2191	cf::get_slot 0.02;
		2192
2123	if ($uniq) {	2193	if ($uniq) {
2124	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2194	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2125	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2195	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2126	} else {	2196	} else {
2127	$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);
…		…
2135	$self->save;	2205	$self->save;
2136		2206
2137	my $lock = cf::lock_acquire "map_data:$self->{path}";	2207	my $lock = cf::lock_acquire "map_data:$self->{path}";
2138		2208
2139	return if $self->players;	2209	return if $self->players;
2140	return if $self->in_memory != cf::MAP_IN_MEMORY;	2210	return if $self->in_memory != cf::MAP_ACTIVE;
2141	return if $self->{deny_save};	2211	return if $self->{deny_save};
2142		2212
2143	$self->in_memory (cf::MAP_SWAPPED);	2213	$self->in_memory (cf::MAP_SWAPPED);
2144		2214
2145	$self->deactivate;	2215	$self->deactivate;
…		…
2170		2240
2171	my $lock = cf::lock_acquire "map_data:$self->{path}";	2241	my $lock = cf::lock_acquire "map_data:$self->{path}";
2172		2242
2173	return if $self->players;	2243	return if $self->players;
2174		2244
2175	warn "resetting map ", $self->path;	2245	warn "resetting map ", $self->path, "\n";
2176		2246
2177	$self->in_memory (cf::MAP_SWAPPED);	2247	$self->in_memory (cf::MAP_SWAPPED);
2178		2248
2179	# need to save uniques path	2249	# need to save uniques path
2180	unless ($self->{deny_save}) {	2250	unless ($self->{deny_save}) {
…		…
2263		2333
2264	sub unique_maps() {	2334	sub unique_maps() {
2265	[	2335	[
2266	map {	2336	map {
2267	utf8::decode $_;	2337	utf8::decode $_;
2268	/\.map$/	2338	s/\.map$//; # TODO future compatibility hack
		2339	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2340	? ()
2269	? normalise $_	2341	: normalise $_
2270	: ()
2271	} @{ aio_readdir $UNIQUEDIR or [] }	2342	} @{ aio_readdir $UNIQUEDIR or [] }
2272	]	2343	]
2273	}	2344	}
2274		2345
2275	package cf;
2276
2277	=back	2346	=back
2278		2347
2279	=head3 cf::object	2348	=head3 cf::object
2280		2349
2281	=cut	2350	=cut
…		…
2284		2353
2285	=over 4	2354	=over 4
2286		2355
2287	=item $ob->inv_recursive	2356	=item $ob->inv_recursive
2288		2357
2289	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.
2290		2360
2291	=cut	2361	=cut
2292		2362
2293	sub inv_recursive_;	2363	sub inv_recursive_;
2294	sub inv_recursive_ {	2364	sub inv_recursive_ {
…		…
2299	inv_recursive_ inv $_[0]	2369	inv_recursive_ inv $_[0]
2300	}	2370	}
2301		2371
2302	=item $ref = $ob->ref	2372	=item $ref = $ob->ref
2303		2373
2304	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.
2305		2375
2306	=item $ob = cf::object::deref ($refstring)	2376	=item $ob = cf::object::deref ($refstring)
2307		2377
2308	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,
2309	even if the object actually exists. May block.	2379	even if the object actually exists. May block.
…		…
2341	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
2342	dialogue with the given NPC character.	2412	dialogue with the given NPC character.
2343		2413
2344	=cut	2414	=cut
2345		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
2346	# rough implementation of a future "reply" method that works	2430	# rough implementation of a future "reply" method that works
2347	# with dialog boxes.	2431	# with dialog boxes.
2348	#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
2349	sub cf::object::player::reply($$$;$) {	2433	sub cf::object::player::reply($$$;$) {
2350	my ($self, $npc, $msg, $flags) = @_;	2434	my ($self, $npc, $msg, $flags) = @_;
…		…
2361	my $dialog = $pl->{npc_dialog};	2445	my $dialog = $pl->{npc_dialog};
2362	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2446	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2363		2447
2364	} else {	2448	} else {
2365	$msg = $npc->name . " says: $msg" if $npc;	2449	$msg = $npc->name . " says: $msg" if $npc;
2366	$self->message ($msg, $flags);	2450	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2367	}	2451	}
2368	}	2452	}
2369	}	2453	}
2370		2454
2371	=item $object->send_msg ($channel, $msg, $color, [extra...])	2455	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2396		2480
2397	=item $player_object->enter_link	2481	=item $player_object->enter_link
2398		2482
2399	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}>).
2400		2484
2401	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.
2402	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.
2403		2489
2404	Will never block.	2490	Will never block.
2405		2491
2406	=item $player_object->leave_link ($map, $x, $y)	2492	=item $player_object->leave_link ($map, $x, $y)
2407		2493
…		…
2465		2551
2466	$map->load;	2552	$map->load;
2467	$map->load_neighbours;	2553	$map->load_neighbours;
2468		2554
2469	return unless $self->contr->active;	2555	return unless $self->contr->active;
2470	$self->activate_recursive;
2471		2556
2472	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2557	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2473	$self->enter_map ($map, $x, $y);	2558	$self->enter_map ($map, $x, $y);
		2559
		2560	# only activate afterwards, to support waiting in hooks
		2561	$self->activate_recursive;
2474	}	2562	}
2475		2563
2476	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2564	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2477		2565
2478	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
2479	her, loading and preparing them map, calling the provided $check callback	2567	her, loading and preparing them map, calling the provided $check callback
2480	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
2481	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
2482	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 >>.
2483		2574
2484	=cut	2575	=cut
2485		2576
2486	our $GOTOGEN;	2577	our $GOTOGEN;
2487		2578
…		…
2566	}	2657	}
2567		2658
2568	sub prepare_random_map {	2659	sub prepare_random_map {
2569	my ($exit) = @_;	2660	my ($exit) = @_;
2570		2661
2571	my $guard = cf::lock_acquire "exit_prepare:$exit";
2572
2573	# all this does is basically replace the /! path by	2662	# all this does is basically replace the /! path by
2574	# a new random map path (?random/...) with a seed	2663	# a new random map path (?random/...) with a seed
2575	# that depends on the exit object	2664	# that depends on the exit object
2576		2665
2577	my $rmp = parse_random_map_params $exit->msg;	2666	my $rmp = parse_random_map_params $exit->msg;
…		…
2579	if ($exit->map) {	2668	if ($exit->map) {
2580	$rmp->{region} = $exit->region->name;	2669	$rmp->{region} = $exit->region->name;
2581	$rmp->{origin_map} = $exit->map->path;	2670	$rmp->{origin_map} = $exit->map->path;
2582	$rmp->{origin_x} = $exit->x;	2671	$rmp->{origin_x} = $exit->x;
2583	$rmp->{origin_y} = $exit->y;	2672	$rmp->{origin_y} = $exit->y;
		2673
		2674	$exit->map->touch;
2584	}	2675	}
2585		2676
2586	$rmp->{random_seed} ||= $exit->random_seed;	2677	$rmp->{random_seed} ||= $exit->random_seed;
2587		2678
2588	my $data = cf::to_json $rmp;	2679	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2589	my $md5 = Digest::MD5::md5_hex $data;	2680	my $md5 = Digest::MD5::md5_hex $data;
2590	my $meta = "$RANDOMDIR/$md5.meta";	2681	my $meta = "$RANDOMDIR/$md5.meta";
2591		2682
2592	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2683	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2593	aio_write $fh, 0, (length $data), $data, 0;	2684	aio_write $fh, 0, (length $data), $data, 0;
2594	undef $fh;	2685	undef $fh;
2595	aio_rename "$meta~", $meta;	2686	aio_rename "$meta~", $meta;
2596		2687
		2688	my $slaying = "?random/$md5";
		2689
		2690	if ($exit->valid) {
2597	$exit->slaying ("?random/$md5");	2691	$exit->slaying ("?random/$md5");
2598	$exit->msg (undef);	2692	$exit->msg (undef);
		2693	}
2599	}	2694	}
2600	}	2695	}
2601		2696
2602	sub cf::object::player::enter_exit {	2697	sub cf::object::player::enter_exit {
2603	my ($self, $exit) = @_;	2698	my ($self, $exit) = @_;
2604		2699
2605	return unless $self->type == cf::PLAYER;	2700	return unless $self->type == cf::PLAYER;
2606		2701
2607	if ($exit->slaying eq "/!") {
2608	#TODO: this should de-fi-ni-te-ly not be a sync-job
2609	# the problem is that $exit might not survive long enough
2610	# so it needs to be done right now, right here
2611	cf::sync_job { prepare_random_map $exit };
2612	}
2613
2614	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2615	my $hp = $exit->stats->hp;
2616	my $sp = $exit->stats->sp;
2617
2618	$self->enter_link;	2702	$self->enter_link;
2619		2703
2620	# if exit is damned, update players death & WoR home-position
2621	$self->contr->savebed ($slaying, $hp, $sp)
2622	if $exit->flag (FLAG_DAMNED);
2623
2624	(async {	2704	(async {
2625	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2705	$Coro::current->{desc} = "enter_exit";
2626		2706
2627	$self->deactivate_recursive; # just to be sure
2628	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
2629	$self->goto ($slaying, $hp, $sp);	2722	$self->goto ($map, $x, $y);
2630		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
2631	1;	2728	1
2632	}) {	2729	}) {
2633	$self->message ("Something went wrong deep within the crossfire server. "	2730	$self->message ("Something went wrong deep within the deliantra server. "
2634	. "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. "
2635	. "Please report this to the dungeon master!",	2732	. "Please report this to the dungeon master!",
2636	cf::NDI_UNIQUE | cf::NDI_RED);	2733	cf::NDI_UNIQUE | cf::NDI_RED);
2637		2734
2638	warn "ERROR in enter_exit: $@";	2735	warn "ERROR in enter_exit: $@";
…		…
2666	the message, with C<log> being the default. If C<$color> is negative, suppress	2763	the message, with C<log> being the default. If C<$color> is negative, suppress
2667	the message unless the client supports the msg packet.	2764	the message unless the client supports the msg packet.
2668		2765
2669	=cut	2766	=cut
2670		2767
		2768	# non-persistent channels (usually the info channel)
2671	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	},
2672	"c/identify" => {	2776	"c/identify" => {
2673	id => "infobox",	2777	id => "infobox",
2674	title => "Identify",	2778	title => "Identify",
2675	reply => undef,	2779	reply => undef,
2676	tooltip => "Items recently identified",	2780	tooltip => "Items recently identified",
…		…
2678	"c/examine" => {	2782	"c/examine" => {
2679	id => "infobox",	2783	id => "infobox",
2680	title => "Examine",	2784	title => "Examine",
2681	reply => undef,	2785	reply => undef,
2682	tooltip => "Signs and other items you examined",	2786	tooltip => "Signs and other items you examined",
		2787	},
		2788	"c/shopinfo" => {
		2789	id => "infobox",
		2790	title => "Shop Info",
		2791	reply => undef,
		2792	tooltip => "What your bargaining skill tells you about the shop",
2683	},	2793	},
2684	"c/book" => {	2794	"c/book" => {
2685	id => "infobox",	2795	id => "infobox",
2686	title => "Book",	2796	title => "Book",
2687	reply => undef,	2797	reply => undef,
…		…
2691	id => "infobox",	2801	id => "infobox",
2692	title => "Look",	2802	title => "Look",
2693	reply => undef,	2803	reply => undef,
2694	tooltip => "What you saw there",	2804	tooltip => "What you saw there",
2695	},	2805	},
		2806	"c/who" => {
		2807	id => "infobox",
		2808	title => "Players",
		2809	reply => undef,
		2810	tooltip => "Shows players who are currently online",
		2811	},
		2812	"c/body" => {
		2813	id => "infobox",
		2814	title => "Body Parts",
		2815	reply => undef,
		2816	tooltip => "Shows which body parts you posess and are available",
		2817	},
		2818	"c/statistics" => {
		2819	id => "infobox",
		2820	title => "Statistics",
		2821	reply => undef,
		2822	tooltip => "Shows your primary statistics",
		2823	},
		2824	"c/skills" => {
		2825	id => "infobox",
		2826	title => "Skills",
		2827	reply => undef,
		2828	tooltip => "Shows your experience per skill and item power",
		2829	},
		2830	"c/shopitems" => {
		2831	id => "infobox",
		2832	title => "Shop Items",
		2833	reply => undef,
		2834	tooltip => "Shows the items currently for sale in this shop",
		2835	},
		2836	"c/resistances" => {
		2837	id => "infobox",
		2838	title => "Resistances",
		2839	reply => undef,
		2840	tooltip => "Shows your resistances",
		2841	},
		2842	"c/pets" => {
		2843	id => "infobox",
		2844	title => "Pets",
		2845	reply => undef,
		2846	tooltip => "Shows information abotu your pets/a specific pet",
		2847	},
		2848	"c/perceiveself" => {
		2849	id => "infobox",
		2850	title => "Perceive Self",
		2851	reply => undef,
		2852	tooltip => "You gained detailed knowledge about yourself",
		2853	},
		2854	"c/uptime" => {
		2855	id => "infobox",
		2856	title => "Uptime",
		2857	reply => undef,
		2858	tooltip => "How long the server has been running since last restart",
		2859	},
		2860	"c/mapinfo" => {
		2861	id => "infobox",
		2862	title => "Map Info",
		2863	reply => undef,
		2864	tooltip => "Information related to the maps",
		2865	},
		2866	"c/party" => {
		2867	id => "party",
		2868	title => "Party",
		2869	reply => "gsay ",
		2870	tooltip => "Messages and chat related to your party",
		2871	},
		2872	"c/death" => {
		2873	id => "death",
		2874	title => "Death",
		2875	reply => undef,
		2876	tooltip => "Reason for and more info about your most recent death",
		2877	},
		2878	"c/say" => $SAY_CHANNEL,
		2879	"c/chat" => $CHAT_CHANNEL,
2696	);	2880	);
2697		2881
2698	sub cf::client::send_msg {	2882	sub cf::client::send_msg {
2699	my ($self, $channel, $msg, $color, @extra) = @_;	2883	my ($self, $channel, $msg, $color, @extra) = @_;
2700		2884
2701	$msg = $self->pl->expand_cfpod ($msg);	2885	$msg = $self->pl->expand_cfpod ($msg)
		2886	unless $color & cf::NDI_VERBATIM;
2702		2887
2703	$color &= cf::NDI_CLIENT_MASK; # just in case...	2888	$color &= cf::NDI_CLIENT_MASK; # just in case...
2704		2889
2705	# check predefined channels, for the benefit of C	2890	# check predefined channels, for the benefit of C
2706	if ($CHANNEL{$channel}) {	2891	if ($CHANNEL{$channel}) {
2707	$channel = $CHANNEL{$channel};	2892	$channel = $CHANNEL{$channel};
2708		2893
2709	$self->ext_msg (channel_info => $channel)	2894	$self->ext_msg (channel_info => $channel);
2710	if $self->can_msg;
2711
2712	$channel = $channel->{id};	2895	$channel = $channel->{id};
2713		2896
2714	} elsif (ref $channel) {	2897	} elsif (ref $channel) {
2715	# send meta info to client, if not yet sent	2898	# send meta info to client, if not yet sent
2716	unless (exists $self->{channel}{$channel->{id}}) {	2899	unless (exists $self->{channel}{$channel->{id}}) {
2717	$self->{channel}{$channel->{id}} = $channel;	2900	$self->{channel}{$channel->{id}} = $channel;
2718	$self->ext_msg (channel_info => $channel)	2901	$self->ext_msg (channel_info => $channel);
2719	if $self->can_msg;
2720	}	2902	}
2721		2903
2722	$channel = $channel->{id};	2904	$channel = $channel->{id};
2723	}	2905	}
2724		2906
2725	return unless @extra || length $msg;	2907	return unless @extra || length $msg;
2726		2908
2727	if ($self->can_msg) {
2728	# default colour, mask it out	2909	# default colour, mask it out
2729	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2910	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2730	if $color & cf::NDI_DEF;	2911	if $color & cf::NDI_DEF;
2731		2912
2732	$self->send_packet ("msg " . $self->{json_coder}->encode (	2913	my $pkt = "msg "
		2914	. $self->{json_coder}->encode (
2733	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2915	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2734	} else {	2916	);
2735	if ($color >= 0) {
2736	# replace some tags by gcfclient-compatible ones
2737	for ($msg) {
2738	1 while
2739	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2740	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2741	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2742	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2743	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2744	}
2745		2917
2746	$color &= cf::NDI_COLOR_MASK;	2918	# try lzf for large packets
		2919	$pkt = "lzf " . Compress::LZF::compress $pkt
		2920	if 1024 <= length $pkt and $self->{can_lzf};
2747		2921
2748	utf8::encode $msg;	2922	# split very large packets
2749		2923	if (8192 < length $pkt and $self->{can_lzf}) {
2750	if (0 && $msg =~ /\[/) {	2924	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2751	# COMMAND/INFO	2925	$pkt = "frag";
2752	$self->send_packet ("drawextinfo $color 10 8 $msg")
2753	} else {
2754	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2755	$self->send_packet ("drawinfo $color $msg")
2756	}
2757	}
2758	}	2926	}
		2927
		2928	$self->send_packet ($pkt);
2759	}	2929	}
2760		2930
2761	=item $client->ext_msg ($type, @msg)	2931	=item $client->ext_msg ($type, @msg)
2762		2932
2763	Sends an ext event to the client.	2933	Sends an ext event to the client.
…		…
2937		3107
2938	The following functions and methods are available within a safe environment:	3108	The following functions and methods are available within a safe environment:
2939		3109
2940	cf::object	3110	cf::object
2941	contr pay_amount pay_player map x y force_find force_add destroy	3111	contr pay_amount pay_player map x y force_find force_add destroy
2942	insert remove name archname title slaying race decrease_ob_nr	3112	insert remove name archname title slaying race decrease split
		3113	value
2943		3114
2944	cf::object::player	3115	cf::object::player
2945	player	3116	player
2946		3117
2947	cf::player	3118	cf::player
…		…
2952		3123
2953	=cut	3124	=cut
2954		3125
2955	for (	3126	for (
2956	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3127	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2957	insert remove inv name archname title slaying race	3128	insert remove inv nrof name archname title slaying race
2958	decrease_ob_nr destroy)],	3129	decrease split destroy change_exp value msg lore send_msg)],
2959	["cf::object::player" => qw(player)],	3130	["cf::object::player" => qw(player)],
2960	["cf::player" => qw(peaceful)],	3131	["cf::player" => qw(peaceful send_msg)],
2961	["cf::map" => qw(trigger)],	3132	["cf::map" => qw(trigger)],
2962	) {	3133	) {
2963	no strict 'refs';	3134	no strict 'refs';
2964	my ($pkg, @funs) = @$_;	3135	my ($pkg, @funs) = @$_;
2965	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3136	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2982	my ($code, %vars) = @_;	3153	my ($code, %vars) = @_;
2983		3154
2984	my $qcode = $code;	3155	my $qcode = $code;
2985	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3156	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2986	$qcode =~ s/\n/\\n/g;	3157	$qcode =~ s/\n/\\n/g;
		3158
		3159	%vars = (_dummy => 0) unless %vars;
2987		3160
2988	local $_;	3161	local $_;
2989	local @safe::cf::_safe_eval_args = values %vars;	3162	local @safe::cf::_safe_eval_args = values %vars;
2990		3163
2991	my $eval =	3164	my $eval =
…		…
3068	{	3241	{
3069	my $faces = $facedata->{faceinfo};	3242	my $faces = $facedata->{faceinfo};
3070		3243
3071	while (my ($face, $info) = each %$faces) {	3244	while (my ($face, $info) = each %$faces) {
3072	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3245	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3246
3073	cf::face::set_visibility $idx, $info->{visibility};	3247	cf::face::set_visibility $idx, $info->{visibility};
3074	cf::face::set_magicmap $idx, $info->{magicmap};	3248	cf::face::set_magicmap $idx, $info->{magicmap};
3075	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3249	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
3076	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3250	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
3077		3251
3078	cf::cede_to_tick;	3252	cf::cede_to_tick;
3079	}	3253	}
3080		3254
3081	while (my ($face, $info) = each %$faces) {	3255	while (my ($face, $info) = each %$faces) {
3082	next unless $info->{smooth};	3256	next unless $info->{smooth};
		3257
3083	my $idx = cf::face::find $face	3258	my $idx = cf::face::find $face
3084	or next;	3259	or next;
		3260
3085	if (my $smooth = cf::face::find $info->{smooth}) {	3261	if (my $smooth = cf::face::find $info->{smooth}) {
3086	cf::face::set_smooth $idx, $smooth;	3262	cf::face::set_smooth $idx, $smooth;
3087	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3263	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3088	} else {	3264	} else {
3089	warn "smooth face '$info->{smooth}' not found for face '$face'";	3265	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
3107	{	3283	{
3108	# TODO: for gcfclient pleasure, we should give resources	3284	# TODO: for gcfclient pleasure, we should give resources
3109	# that gcfclient doesn't grok a >10000 face index.	3285	# that gcfclient doesn't grok a >10000 face index.
3110	my $res = $facedata->{resource};	3286	my $res = $facedata->{resource};
3111		3287
3112	my $soundconf = delete $res->{"res/sound.conf"};
3113
3114	while (my ($name, $info) = each %$res) {	3288	while (my ($name, $info) = each %$res) {
		3289	if (defined $info->{type}) {
3115	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3290	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3116	my $data;	3291	my $data;
3117		3292
3118	if ($info->{type} & 1) {	3293	if ($info->{type} & 1) {
3119	# prepend meta info	3294	# prepend meta info
3120		3295
3121	my $meta = $enc->encode ({	3296	my $meta = $enc->encode ({
3122	name => $name,	3297	name => $name,
3123	%{ $info->{meta} || {} },	3298	%{ $info->{meta} || {} },
3124	});	3299	});
3125		3300
3126	$data = pack "(w/a*)*", $meta, $info->{data};	3301	$data = pack "(w/a*)*", $meta, $info->{data};
		3302	} else {
		3303	$data = $info->{data};
		3304	}
		3305
		3306	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3307	cf::face::set_type $idx, $info->{type};
3127	} else {	3308	} else {
3128	$data = $info->{data};	3309	$RESOURCE{$name} = $info;
3129	}	3310	}
3130		3311
3131	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3132	cf::face::set_type $idx, $info->{type};
3133
3134	cf::cede_to_tick;	3312	cf::cede_to_tick;
3135	}	3313	}
3136
3137	if ($soundconf) {
3138	$soundconf = $enc->decode (delete $soundconf->{data});
3139
3140	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3141	my $sound = $soundconf->{compat}[$_]
3142	or next;
3143
3144	my $face = cf::face::find "sound/$sound->[1]";
3145	cf::sound::set $sound->[0] => $face;
3146	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3147	}
3148
3149	while (my ($k, $v) = each %{$soundconf->{event}}) {
3150	my $face = cf::face::find "sound/$v";
3151	cf::sound::set $k => $face;
3152	}
3153	}
3154	}	3314	}
		3315
		3316	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3155		3317
3156	1	3318	1
3157	}	3319	}
		3320
		3321	cf::global->attach (on_resource_update => sub {
		3322	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3323	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3324
		3325	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3326	my $sound = $soundconf->{compat}[$_]
		3327	or next;
		3328
		3329	my $face = cf::face::find "sound/$sound->[1]";
		3330	cf::sound::set $sound->[0] => $face;
		3331	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3332	}
		3333
		3334	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3335	my $face = cf::face::find "sound/$v";
		3336	cf::sound::set $k => $face;
		3337	}
		3338	}
		3339	});
3158		3340
3159	register_exticmd fx_want => sub {	3341	register_exticmd fx_want => sub {
3160	my ($ns, $want) = @_;	3342	my ($ns, $want) = @_;
3161		3343
3162	while (my ($k, $v) = each %$want) {	3344	while (my ($k, $v) = each %$want) {
3163	$ns->fx_want ($k, $v);	3345	$ns->fx_want ($k, $v);
3164	}	3346	}
3165	};	3347	};
		3348
		3349	sub load_resource_file($) {
		3350	my $guard = lock_acquire "load_resource_file";
		3351
		3352	my $status = load_resource_file_ $_[0];
		3353	get_slot 0.1, 100;
		3354	cf::arch::commit_load;
		3355
		3356	$status
		3357	}
3166		3358
3167	sub reload_regions {	3359	sub reload_regions {
3168	# HACK to clear player env face cache, we need some signal framework	3360	# HACK to clear player env face cache, we need some signal framework
3169	# for this (global event?)	3361	# for this (global event?)
3170	%ext::player_env::MUSIC_FACE_CACHE = ();	3362	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3184	}	3376	}
3185		3377
3186	sub reload_archetypes {	3378	sub reload_archetypes {
3187	load_resource_file "$DATADIR/archetypes"	3379	load_resource_file "$DATADIR/archetypes"
3188	or die "unable to load archetypes\n";	3380	or die "unable to load archetypes\n";
3189	#d# NEED to laod twice to resolve forward references
3190	# this really needs to be done in an extra post-pass
3191	# (which needs to be synchronous, so solve it differently)
3192	load_resource_file "$DATADIR/archetypes"
3193	or die "unable to load archetypes\n";
3194	}	3381	}
3195		3382
3196	sub reload_treasures {	3383	sub reload_treasures {
3197	load_resource_file "$DATADIR/treasures"	3384	load_resource_file "$DATADIR/treasures"
3198	or die "unable to load treasurelists\n";	3385	or die "unable to load treasurelists\n";
3199	}	3386	}
3200		3387
3201	sub reload_resources {	3388	sub reload_resources {
3202	warn "reloading resource files...\n";	3389	warn "reloading resource files...\n";
3203		3390
		3391	reload_facedata;
		3392	reload_archetypes;
3204	reload_regions;	3393	reload_regions;
3205	reload_facedata;
3206	#reload_archetypes;#d#
3207	reload_archetypes;
3208	reload_treasures;	3394	reload_treasures;
3209		3395
3210	warn "finished reloading resource files\n";	3396	warn "finished reloading resource files\n";
3211	}	3397	}
3212		3398
3213	sub init {
3214	reload_resources;
3215	}
3216
3217	sub reload_config {	3399	sub reload_config {
		3400	warn "reloading config file...\n";
		3401
3218	open my $fh, "<:utf8", "$CONFDIR/config"	3402	open my $fh, "<:utf8", "$CONFDIR/config"
3219	or return;	3403	or return;
3220		3404
3221	local $/;	3405	local $/;
3222	*CFG = YAML::Syck::Load <$fh>;	3406	*CFG = YAML::XS::Load scalar <$fh>;
3223		3407
3224	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3408	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3225		3409
3226	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3410	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3227	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3411	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3231	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3415	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
3232	and die "WARNING: m(un)lockall failed: $!\n";	3416	and die "WARNING: m(un)lockall failed: $!\n";
3233	};	3417	};
3234	warn $@ if $@;	3418	warn $@ if $@;
3235	}	3419	}
		3420
		3421	warn "finished reloading resource files\n";
		3422	}
		3423
		3424	sub pidfile() {
		3425	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3426	or die "$PIDFILE: $!";
		3427	flock $fh, &Fcntl::LOCK_EX
		3428	or die "$PIDFILE: flock: $!";
		3429	$fh
		3430	}
		3431
		3432	# make sure only one server instance is running at any one time
		3433	sub atomic {
		3434	my $fh = pidfile;
		3435
		3436	my $pid = <$fh>;
		3437	kill 9, $pid if $pid > 0;
		3438
		3439	seek $fh, 0, 0;
		3440	print $fh $$;
		3441	}
		3442
		3443	sub main_loop {
		3444	warn "EV::loop starting\n";
		3445	if (1) {
		3446	EV::loop;
		3447	}
		3448	warn "EV::loop returned\n";
		3449	goto &main_loop unless $REALLY_UNLOOP;
3236	}	3450	}
3237		3451
3238	sub main {	3452	sub main {
		3453	cf::init_globals; # initialise logging
		3454
		3455	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3456	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3457	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3458	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3459
		3460	cf::init_experience;
		3461	cf::init_anim;
		3462	cf::init_attackmess;
		3463	cf::init_dynamic;
		3464
		3465	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3466
3239	# we must not ever block the main coroutine	3467	# we must not ever block the main coroutine
3240	local $Coro::idle = sub {	3468	local $Coro::idle = sub {
3241	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3469	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3242	(async {	3470	(async {
3243	$Coro::current->{desc} = "IDLE BUG HANDLER";	3471	$Coro::current->{desc} = "IDLE BUG HANDLER";
3244	Event::one_event;	3472	EV::loop EV::LOOP_ONESHOT;
3245	})->prio (Coro::PRIO_MAX);	3473	})->prio (Coro::PRIO_MAX);
3246	};	3474	};
3247		3475
		3476	evthread_start IO::AIO::poll_fileno;
		3477
		3478	cf::sync_job {
		3479	reload_resources;
3248	reload_config;	3480	reload_config;
3249	db_init;	3481	db_init;
		3482
		3483	cf::load_settings;
		3484	cf::load_materials;
		3485	cf::init_uuid;
		3486	cf::init_signals;
		3487	cf::init_commands;
		3488	cf::init_skills;
		3489
		3490	cf::init_beforeplay;
		3491
		3492	atomic;
		3493
3250	load_extensions;	3494	load_extensions;
3251		3495
3252	$TICK_WATCHER->start;	3496	utime time, time, $RUNTIMEFILE;
3253	Event::loop;	3497
		3498	# no (long-running) fork's whatsoever before this point(!)
		3499	use POSIX ();
		3500	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3501
		3502	(pop @POST_INIT)->(0) while @POST_INIT;
		3503	};
		3504
		3505	main_loop;
3254	}	3506	}
3255		3507
3256	#############################################################################	3508	#############################################################################
3257	# initialisation and cleanup	3509	# initialisation and cleanup
3258		3510
3259	# install some emergency cleanup handlers	3511	# install some emergency cleanup handlers
3260	BEGIN {	3512	BEGIN {
		3513	our %SIGWATCHER = ();
3261	for my $signal (qw(INT HUP TERM)) {	3514	for my $signal (qw(INT HUP TERM)) {
3262	Event->signal (	3515	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3263	reentrant => 0,
3264	data => WF_AUTOCANCEL,
3265	signal => $signal,
3266	prio => 0,
3267	cb => sub {
3268	cf::cleanup "SIG$signal";	3516	cf::cleanup "SIG$signal";
3269	},
3270	);	3517	};
3271	}	3518	}
3272	}	3519	}
3273		3520
3274	sub write_runtime {	3521	sub write_runtime_sync {
3275	my $runtime = "$LOCALDIR/runtime";
3276
3277	# first touch the runtime file to show we are still running:	3522	# first touch the runtime file to show we are still running:
3278	# the fsync below can take a very very long time.	3523	# the fsync below can take a very very long time.
3279		3524
3280	IO::AIO::aio_utime $runtime, undef, undef;	3525	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3281		3526
3282	my $guard = cf::lock_acquire "write_runtime";	3527	my $guard = cf::lock_acquire "write_runtime";
3283		3528
3284	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3529	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3285	or return;	3530	or return;
3286		3531
3287	my $value = $cf::RUNTIME + 90 + 10;	3532	my $value = $cf::RUNTIME + 90 + 10;
3288	# 10 is the runtime save interval, for a monotonic clock	3533	# 10 is the runtime save interval, for a monotonic clock
3289	# 60 allows for the watchdog to kill the server.	3534	# 60 allows for the watchdog to kill the server.
…		…
3299	aio_utime $fh, undef, undef;	3544	aio_utime $fh, undef, undef;
3300		3545
3301	close $fh	3546	close $fh
3302	or return;	3547	or return;
3303		3548
3304	aio_rename "$runtime~", $runtime	3549	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3305	and return;	3550	and return;
3306		3551
3307	warn "runtime file written.\n";	3552	warn "runtime file written.\n";
3308		3553
3309	1	3554	1
		3555	}
		3556
		3557	our $uuid_lock;
		3558	our $uuid_skip;
		3559
		3560	sub write_uuid_sync($) {
		3561	$uuid_skip ||= $_[0];
		3562
		3563	return if $uuid_lock;
		3564	local $uuid_lock = 1;
		3565
		3566	my $uuid = "$LOCALDIR/uuid";
		3567
		3568	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3569	or return;
		3570
		3571	my $value = uuid_seq uuid_cur;
		3572
		3573	unless ($value) {
		3574	warn "cowardly refusing to write zero uuid value!\n";
		3575	return;
		3576	}
		3577
		3578	my $value = uuid_str $value + $uuid_skip;
		3579	$uuid_skip = 0;
		3580
		3581	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3582	and return;
		3583
		3584	# always fsync - this file is important
		3585	aio_fsync $fh
		3586	and return;
		3587
		3588	close $fh
		3589	or return;
		3590
		3591	aio_rename "$uuid~", $uuid
		3592	and return;
		3593
		3594	warn "uuid file written ($value).\n";
		3595
		3596	1
		3597
		3598	}
		3599
		3600	sub write_uuid($$) {
		3601	my ($skip, $sync) = @_;
		3602
		3603	$sync ? write_uuid_sync $skip
		3604	: async { write_uuid_sync $skip };
3310	}	3605	}
3311		3606
3312	sub emergency_save() {	3607	sub emergency_save() {
3313	my $freeze_guard = cf::freeze_mainloop;	3608	my $freeze_guard = cf::freeze_mainloop;
3314		3609
3315	warn "enter emergency perl save\n";	3610	warn "emergency_perl_save: enter\n";
3316		3611
3317	cf::sync_job {	3612	cf::sync_job {
		3613	# this is a trade-off: we want to be very quick here, so
		3614	# save all maps without fsync, and later call a global sync
		3615	# (which in turn might be very very slow)
		3616	local $USE_FSYNC = 0;
		3617
3318	# use a peculiar iteration method to avoid tripping on perl	3618	# use a peculiar iteration method to avoid tripping on perl
3319	# refcount bugs in for. also avoids problems with players	3619	# refcount bugs in for. also avoids problems with players
3320	# and maps saved/destroyed asynchronously.	3620	# and maps saved/destroyed asynchronously.
3321	warn "begin emergency player save\n";	3621	warn "emergency_perl_save: begin player save\n";
3322	for my $login (keys %cf::PLAYER) {	3622	for my $login (keys %cf::PLAYER) {
3323	my $pl = $cf::PLAYER{$login} or next;	3623	my $pl = $cf::PLAYER{$login} or next;
3324	$pl->valid or next;	3624	$pl->valid or next;
3325	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3625	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3326	$pl->save;	3626	$pl->save;
3327	}	3627	}
3328	warn "end emergency player save\n";	3628	warn "emergency_perl_save: end player save\n";
3329		3629
3330	warn "begin emergency map save\n";	3630	warn "emergency_perl_save: begin map save\n";
3331	for my $path (keys %cf::MAP) {	3631	for my $path (keys %cf::MAP) {
3332	my $map = $cf::MAP{$path} or next;	3632	my $map = $cf::MAP{$path} or next;
3333	$map->valid or next;	3633	$map->valid or next;
3334	$map->save;	3634	$map->save;
3335	}	3635	}
3336	warn "end emergency map save\n";	3636	warn "emergency_perl_save: end map save\n";
3337		3637
3338	warn "begin emergency database checkpoint\n";	3638	warn "emergency_perl_save: begin database checkpoint\n";
3339	BDB::db_env_txn_checkpoint $DB_ENV;	3639	BDB::db_env_txn_checkpoint $DB_ENV;
3340	warn "end emergency database checkpoint\n";	3640	warn "emergency_perl_save: end database checkpoint\n";
		3641
		3642	warn "emergency_perl_save: begin write uuid\n";
		3643	write_uuid_sync 1;
		3644	warn "emergency_perl_save: end write uuid\n";
3341	};	3645	};
3342		3646
		3647	warn "emergency_perl_save: starting sync()\n";
		3648	IO::AIO::aio_sync sub {
		3649	warn "emergency_perl_save: finished sync()\n";
		3650	};
		3651
3343	warn "leave emergency perl save\n";	3652	warn "emergency_perl_save: leave\n";
3344	}	3653	}
3345		3654
3346	sub post_cleanup {	3655	sub post_cleanup {
3347	my ($make_core) = @_;	3656	my ($make_core) = @_;
3348		3657
3349	warn Carp::longmess "post_cleanup backtrace"	3658	warn Carp::longmess "post_cleanup backtrace"
3350	if $make_core;	3659	if $make_core;
		3660
		3661	my $fh = pidfile;
		3662	unlink $PIDFILE if <$fh> == $$;
		3663	}
		3664
		3665	# a safer delete_package, copied from Symbol
		3666	sub clear_package($) {
		3667	my $pkg = shift;
		3668
		3669	# expand to full symbol table name if needed
		3670	unless ($pkg =~ /^main::.*::$/) {
		3671	$pkg = "main$pkg" if $pkg =~ /^::/;
		3672	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3673	$pkg .= '::' unless $pkg =~ /::$/;
		3674	}
		3675
		3676	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3677	my $stem_symtab = *{$stem}{HASH};
		3678
		3679	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3680	or return;
		3681
		3682	# clear all symbols
		3683	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3684	for my $name (keys %$leaf_symtab) {
		3685	_gv_clear *{"$pkg$name"};
		3686	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3687	}
		3688	warn "cleared package $pkg\n";#d#
3351	}	3689	}
3352		3690
3353	sub do_reload_perl() {	3691	sub do_reload_perl() {
3354	# can/must only be called in main	3692	# can/must only be called in main
3355	if ($Coro::current != $Coro::main) {	3693	if ($Coro::current != $Coro::main) {
3356	warn "can only reload from main coroutine";	3694	warn "can only reload from main coroutine";
3357	return;	3695	return;
3358	}	3696	}
3359		3697
		3698	return if $RELOAD++;
		3699
		3700	my $t1 = EV::time;
		3701
		3702	while ($RELOAD) {
3360	warn "reloading...";	3703	warn "reloading...";
3361		3704
3362	warn "entering sync_job";	3705	warn "entering sync_job";
3363		3706
3364	cf::sync_job {	3707	cf::sync_job {
3365	cf::write_runtime; # external watchdog should not bark	3708	cf::write_runtime_sync; # external watchdog should not bark
3366	cf::emergency_save;	3709	cf::emergency_save;
3367	cf::write_runtime; # external watchdog should not bark	3710	cf::write_runtime_sync; # external watchdog should not bark
3368		3711
3369	warn "syncing database to disk";	3712	warn "syncing database to disk";
3370	BDB::db_env_txn_checkpoint $DB_ENV;	3713	BDB::db_env_txn_checkpoint $DB_ENV;
3371		3714
3372	# if anything goes wrong in here, we should simply crash as we already saved	3715	# if anything goes wrong in here, we should simply crash as we already saved
3373		3716
3374	warn "cancelling all WF_AUTOCANCEL watchers";
3375	for (Event::all_watchers) {
3376	$_->cancel if $_->data & WF_AUTOCANCEL;
3377	}
3378
3379	warn "flushing outstanding aio requests";	3717	warn "flushing outstanding aio requests";
3380	for (;;) {
3381	BDB::flush;
3382	IO::AIO::flush;
3383	Coro::cede_notself;
3384	last unless IO::AIO::nreqs || BDB::nreqs;	3718	while (IO::AIO::nreqs || BDB::nreqs) {
3385	warn "iterate...";	3719	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3386	}
3387
3388	++$RELOAD;
3389
3390	warn "cancelling all extension coros";
3391	$_->cancel for values %EXT_CORO;
3392	%EXT_CORO = ();
3393
3394	warn "removing commands";
3395	%COMMAND = ();
3396
3397	warn "removing ext/exti commands";
3398	%EXTCMD = ();
3399	%EXTICMD = ();
3400
3401	warn "unloading/nuking all extensions";
3402	for my $pkg (@EXTS) {
3403	warn "... unloading $pkg";
3404
3405	if (my $cb = $pkg->can ("unload")) {
3406	eval {
3407	$cb->($pkg);
3408	1
3409	} or warn "$pkg unloaded, but with errors: $@";
3410	}	3720	}
3411		3721
3412	warn "... nuking $pkg";	3722	warn "cancelling all extension coros";
3413	Symbol::delete_package $pkg;	3723	$_->cancel for values %EXT_CORO;
3414	}	3724	%EXT_CORO = ();
3415		3725
3416	warn "unloading all perl modules loaded from $LIBDIR";	3726	warn "removing commands";
3417	while (my ($k, $v) = each %INC) {	3727	%COMMAND = ();
3418	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3419		3728
		3729	warn "removing ext/exti commands";
		3730	%EXTCMD = ();
		3731	%EXTICMD = ();
		3732
		3733	warn "unloading/nuking all extensions";
		3734	for my $pkg (@EXTS) {
3420	warn "... unloading $k";	3735	warn "... unloading $pkg";
3421	delete $INC{$k};
3422		3736
3423	$k =~ s/\.pm$//;
3424	$k =~ s/\//::/g;
3425
3426	if (my $cb = $k->can ("unload_module")) {	3737	if (my $cb = $pkg->can ("unload")) {
		3738	eval {
3427	$cb->();	3739	$cb->($pkg);
		3740	1
		3741	} or warn "$pkg unloaded, but with errors: $@";
		3742	}
		3743
		3744	warn "... clearing $pkg";
		3745	clear_package $pkg;
3428	}	3746	}
3429		3747
3430	Symbol::delete_package $k;	3748	warn "unloading all perl modules loaded from $LIBDIR";
		3749	while (my ($k, $v) = each %INC) {
		3750	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3751
		3752	warn "... unloading $k";
		3753	delete $INC{$k};
		3754
		3755	$k =~ s/\.pm$//;
		3756	$k =~ s/\//::/g;
		3757
		3758	if (my $cb = $k->can ("unload_module")) {
		3759	$cb->();
		3760	}
		3761
		3762	clear_package $k;
3431	}	3763	}
3432		3764
3433	warn "getting rid of safe::, as good as possible";	3765	warn "getting rid of safe::, as good as possible";
3434	Symbol::delete_package "safe::$_"	3766	clear_package "safe::$_"
3435	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3767	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3436		3768
3437	warn "unloading cf.pm \"a bit\"";	3769	warn "unloading cf.pm \"a bit\"";
3438	delete $INC{"cf.pm"};	3770	delete $INC{"cf.pm"};
3439	delete $INC{"cf/pod.pm"};	3771	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3440		3772
3441	# don't, removes xs symbols, too,	3773	# don't, removes xs symbols, too,
3442	# and global variables created in xs	3774	# and global variables created in xs
3443	#Symbol::delete_package __PACKAGE__;	3775	#clear_package __PACKAGE__;
3444		3776
3445	warn "unload completed, starting to reload now";	3777	warn "unload completed, starting to reload now";
3446		3778
3447	warn "reloading cf.pm";	3779	warn "reloading cf.pm";
3448	require cf;	3780	require cf;
3449	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3781	cf::_connect_to_perl_1;
3450		3782
3451	warn "loading config and database again";	3783	warn "loading config and database again";
3452	cf::reload_config;	3784	cf::reload_config;
3453		3785
3454	warn "loading extensions";	3786	warn "loading extensions";
3455	cf::load_extensions;	3787	cf::load_extensions;
3456		3788
		3789	if ($REATTACH_ON_RELOAD) {
3457	warn "reattaching attachments to objects/players";	3790	warn "reattaching attachments to objects/players";
3458	_global_reattach; # objects, sockets	3791	_global_reattach; # objects, sockets
3459	warn "reattaching attachments to maps";	3792	warn "reattaching attachments to maps";
3460	reattach $_ for values %MAP;	3793	reattach $_ for values %MAP;
3461	warn "reattaching attachments to players";	3794	warn "reattaching attachments to players";
3462	reattach $_ for values %PLAYER;	3795	reattach $_ for values %PLAYER;
		3796	}
3463		3797
		3798	warn "running post_init jobs";
		3799	(pop @POST_INIT)->(1) while @POST_INIT;
		3800
3464	warn "leaving sync_job";	3801	warn "leaving sync_job";
3465		3802
3466	1	3803	1
3467	} or do {	3804	} or do {
3468	warn $@;	3805	warn $@;
3469	warn "error while reloading, exiting.";	3806	cf::cleanup "error while reloading, exiting.";
3470	exit 1;
3471	};	3807	};
3472		3808
3473	warn "reloaded";	3809	warn "reloaded";
		3810	--$RELOAD;
		3811	}
		3812
		3813	$t1 = EV::time - $t1;
		3814	warn "reload completed in ${t1}s\n";
3474	};	3815	};
3475		3816
3476	our $RELOAD_WATCHER; # used only during reload	3817	our $RELOAD_WATCHER; # used only during reload
3477		3818
3478	sub reload_perl() {	3819	sub reload_perl() {
3479	# doing reload synchronously and two reloads happen back-to-back,	3820	# doing reload synchronously and two reloads happen back-to-back,
3480	# coro crashes during coro_state_free->destroy here.	3821	# coro crashes during coro_state_free->destroy here.
3481		3822
3482	$RELOAD_WATCHER ||= Event->timer (	3823	$RELOAD_WATCHER ||= cf::async {
3483	reentrant => 0,	3824	Coro::AIO::aio_wait cache_extensions;
3484	after => 0,	3825
3485	data => WF_AUTOCANCEL,	3826	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3486	cb => sub {
3487	do_reload_perl;	3827	do_reload_perl;
3488	undef $RELOAD_WATCHER;	3828	undef $RELOAD_WATCHER;
3489	},	3829	};
3490	);	3830	};
3491	}	3831	}
3492		3832
3493	register_command "reload" => sub {	3833	register_command "reload" => sub {
3494	my ($who, $arg) = @_;	3834	my ($who, $arg) = @_;
3495		3835
…		…
3508		3848
3509	our @WAIT_FOR_TICK;	3849	our @WAIT_FOR_TICK;
3510	our @WAIT_FOR_TICK_BEGIN;	3850	our @WAIT_FOR_TICK_BEGIN;
3511		3851
3512	sub wait_for_tick {	3852	sub wait_for_tick {
3513	return unless $TICK_WATCHER->is_active;
3514	return if $Coro::current == $Coro::main;	3853	return if tick_inhibit || $Coro::current == $Coro::main;
3515		3854
3516	my $signal = new Coro::Signal;	3855	my $signal = new Coro::Signal;
3517	push @WAIT_FOR_TICK, $signal;	3856	push @WAIT_FOR_TICK, $signal;
3518	$signal->wait;	3857	$signal->wait;
3519	}	3858	}
3520		3859
3521	sub wait_for_tick_begin {	3860	sub wait_for_tick_begin {
3522	return unless $TICK_WATCHER->is_active;
3523	return if $Coro::current == $Coro::main;	3861	return if tick_inhibit || $Coro::current == $Coro::main;
3524		3862
3525	my $signal = new Coro::Signal;	3863	my $signal = new Coro::Signal;
3526	push @WAIT_FOR_TICK_BEGIN, $signal;	3864	push @WAIT_FOR_TICK_BEGIN, $signal;
3527	$signal->wait;	3865	$signal->wait;
3528	}	3866	}
3529		3867
3530	$TICK_WATCHER = Event->timer (	3868	sub tick {
3531	reentrant => 0,
3532	parked => 1,
3533	prio => 0,
3534	at => $NEXT_TICK || $TICK,
3535	data => WF_AUTOCANCEL,
3536	cb => sub {
3537	if ($Coro::current != $Coro::main) {	3869	if ($Coro::current != $Coro::main) {
3538	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3870	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3539	unless ++$bug_warning > 10;	3871	unless ++$bug_warning > 10;
3540	return;	3872	return;
3541	}	3873	}
3542		3874
3543	$NOW = $tick_start = Event::time;
3544
3545	cf::server_tick; # one server iteration	3875	cf::server_tick; # one server iteration
3546		3876
3547	$RUNTIME += $TICK;
3548	$NEXT_TICK += $TICK;
3549
3550	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3877	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3551	$NEXT_RUNTIME_WRITE = $NOW + 10;	3878	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3552	Coro::async_pool {	3879	Coro::async_pool {
3553	$Coro::current->{desc} = "runtime saver";	3880	$Coro::current->{desc} = "runtime saver";
3554	write_runtime	3881	write_runtime_sync
3555	or warn "ERROR: unable to write runtime file: $!";	3882	or warn "ERROR: unable to write runtime file: $!";
3556	};
3557	}	3883	};
		3884	}
3558		3885
3559	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3886	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3560	$sig->send;	3887	$sig->send;
3561	}	3888	}
3562	while (my $sig = shift @WAIT_FOR_TICK) {	3889	while (my $sig = shift @WAIT_FOR_TICK) {
3563	$sig->send;	3890	$sig->send;
3564	}	3891	}
3565		3892
3566	$NOW = Event::time;	3893	$LOAD = ($NOW - $TICK_START) / $TICK;
3567
3568	# if we are delayed by four ticks or more, skip them all
3569	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3570
3571	$TICK_WATCHER->at ($NEXT_TICK);
3572	$TICK_WATCHER->start;
3573
3574	$LOAD = ($NOW - $tick_start) / $TICK;
3575	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3894	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3576		3895
3577	_post_tick;	3896	if (0) {
		3897	if ($NEXT_TICK) {
		3898	my $jitter = $TICK_START - $NEXT_TICK;
		3899	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3900	warn "jitter $JITTER\n";#d#
		3901	}
3578	},	3902	}
3579	);	3903	}
3580		3904
3581	{	3905	{
		3906	# configure BDB
		3907
3582	BDB::min_parallel 8;	3908	BDB::min_parallel 8;
3583	BDB::max_poll_time $TICK * 0.1;	3909	BDB::max_poll_reqs $TICK * 0.1;
3584	$BDB_POLL_WATCHER = Event->io (	3910	$AnyEvent::BDB::WATCHER->priority (1);
3585	reentrant => 0,
3586	fd => BDB::poll_fileno,
3587	poll => 'r',
3588	prio => 0,
3589	data => WF_AUTOCANCEL,
3590	cb => \&BDB::poll_cb,
3591	);
3592
3593	BDB::set_sync_prepare {
3594	my $status;
3595	my $current = $Coro::current;
3596	(
3597	sub {
3598	$status = $!;
3599	$current->ready; undef $current;
3600	},
3601	sub {
3602	Coro::schedule while defined $current;
3603	$! = $status;
3604	},
3605	)
3606	};
3607		3911
3608	unless ($DB_ENV) {	3912	unless ($DB_ENV) {
3609	$DB_ENV = BDB::db_env_create;	3913	$DB_ENV = BDB::db_env_create;
3610	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	3914	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3611	| BDB::LOG_AUTOREMOVE, 1);	3915	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3916	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3612	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	3917	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3613	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	3918	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3614		3919
3615	cf::sync_job {	3920	cf::sync_job {
3616	eval {	3921	eval {
…		…
3626		3931
3627	cf::cleanup "db_env_open(db): $@" if $@;	3932	cf::cleanup "db_env_open(db): $@" if $@;
3628	};	3933	};
3629	}	3934	}
3630		3935
3631	$BDB_DEADLOCK_WATCHER = Event->timer (	3936	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3632	after => 3,
3633	interval => 1,
3634	hard => 1,
3635	prio => 0,
3636	data => WF_AUTOCANCEL,
3637	cb => sub {
3638	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };	3937	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3639	},
3640	);	3938	};
3641	$BDB_CHECKPOINT_WATCHER = Event->timer (	3939	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3642	after => 11,
3643	interval => 60,
3644	hard => 1,
3645	prio => 0,
3646	data => WF_AUTOCANCEL,
3647	cb => sub {
3648	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	3940	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3649	},
3650	);	3941	};
3651	$BDB_TRICKLE_WATCHER = Event->timer (	3942	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3652	after => 5,
3653	interval => 10,
3654	hard => 1,
3655	prio => 0,
3656	data => WF_AUTOCANCEL,
3657	cb => sub {
3658	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	3943	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3659	},
3660	);	3944	};
3661	}	3945	}
3662		3946
3663	{	3947	{
		3948	# configure IO::AIO
		3949
3664	IO::AIO::min_parallel 8;	3950	IO::AIO::min_parallel 8;
3665
3666	undef $Coro::AIO::WATCHER;
3667	IO::AIO::max_poll_time $TICK * 0.1;	3951	IO::AIO::max_poll_time $TICK * 0.1;
3668	$AIO_POLL_WATCHER = Event->io (	3952	undef $AnyEvent::AIO::WATCHER;
3669	reentrant => 0,
3670	data => WF_AUTOCANCEL,
3671	fd => IO::AIO::poll_fileno,
3672	poll => 'r',
3673	prio => 0,
3674	cb => \&IO::AIO::poll_cb,
3675	);
3676	}	3953	}
3677		3954
3678	my $_log_backtrace;	3955	my $_log_backtrace;
3679		3956
3680	sub _log_backtrace {	3957	sub _log_backtrace {
…		…
3683	$msg =~ s/\n//;	3960	$msg =~ s/\n//;
3684		3961
3685	# limit the # of concurrent backtraces	3962	# limit the # of concurrent backtraces
3686	if ($_log_backtrace < 2) {	3963	if ($_log_backtrace < 2) {
3687	++$_log_backtrace;	3964	++$_log_backtrace;
		3965	my $perl_bt = Carp::longmess $msg;
3688	async {	3966	async {
3689	$Coro::current->{desc} = "abt $msg";	3967	$Coro::current->{desc} = "abt $msg";
3690		3968
3691	my @bt = fork_call {	3969	my @bt = fork_call {
3692	@addr = map { sprintf "%x", $_ } @addr;	3970	@addr = map { sprintf "%x", $_ } @addr;
…		…
3703	}	3981	}
3704		3982
3705	@funcs	3983	@funcs
3706	};	3984	};
3707		3985
3708	LOG llevInfo, "[ABT] $msg\n";	3986	LOG llevInfo, "[ABT] $perl_bt\n";
		3987	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3709	LOG llevInfo, "[ABT] $_\n" for @bt;	3988	LOG llevInfo, "[ABT] $_\n" for @bt;
3710	--$_log_backtrace;	3989	--$_log_backtrace;
3711	};	3990	};
3712	} else {	3991	} else {
3713	LOG llevInfo, "[ABT] $msg\n";	3992	LOG llevInfo, "[ABT] $msg\n";
3714	LOG llevInfo, "[ABT] [suppressed]\n";	3993	LOG llevInfo, "[ABT] [suppressed]\n";
3715	}	3994	}
3716	}	3995	}
3717		3996
3718	# load additional modules	3997	# load additional modules
3719	use cf::pod;	3998	require "cf/$_.pm" for @EXTRA_MODULES;
		3999	cf::_connect_to_perl_2;
3720		4000
3721	END { cf::emergency_save }	4001	END { cf::emergency_save }
3722		4002
3723	1	4003	1
3724		4004

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