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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.378 by root, Thu Oct 4 11:36:54 2007 UTC vs.
Revision 1.484 by root, Mon Oct 12 14:00:58 2009 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Socket;	31	use Socket;
9	use Storable;	32	use EV;
10	use Event;
11	use Opcode;	33	use Opcode;
12	use Safe;	34	use Safe;
13	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
14		37
		38	use Guard ();
15	use Coro 3.64 ();	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 2.32 ();	60	use IO::AIO ();
33	use Time::HiRes;	61	use Time::HiRes;
34	use Compress::LZF;	62	use Compress::LZF;
35	use Digest::MD5 ();	63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
36		66
37	# configure various modules to our taste	67	# configure various modules to our taste
38	#	68	#
39	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42		77
43	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
44		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		80
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
51		82
52	our %COMMAND = ();	83	our %COMMAND = ();
53	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
…		…
56	our %EXTCMD = ();	87	our %EXTCMD = ();
57	our %EXTICMD = ();	88	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
60		91
61	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
63		96
64	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
65	our $DATADIR = datadir;	98	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
69	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE;
75		112
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	113	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	114	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	115	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	116	our $USE_FSYNC = 1; # use fsync to write maps - default on
83		117
84	our $BDB_POLL_WATCHER;
85	our $BDB_DEADLOCK_WATCHER;	118	our $BDB_DEADLOCK_WATCHER;
86	our $BDB_CHECKPOINT_WATCHER;	119	our $BDB_CHECKPOINT_WATCHER;
87	our $BDB_TRICKLE_WATCHER;	120	our $BDB_TRICKLE_WATCHER;
88	our $DB_ENV;	121	our $DB_ENV;
89		122
		123	our @EXTRA_MODULES = qw(pod match mapscript);
		124
90	our %CFG;	125	our %CFG;
91		126
92	our $UPTIME; $UPTIME ||= time;	127	our $UPTIME; $UPTIME ||= time;
93	our $RUNTIME;	128	our $RUNTIME;
		129	our $NOW;
94		130
95	our (%PLAYER, %PLAYER_LOADING); # all users	131	our (%PLAYER, %PLAYER_LOADING); # all users
96	our (%MAP, %MAP_LOADING ); # all maps	132	our (%MAP, %MAP_LOADING ); # all maps
97	our $LINK_MAP; # the special {link} map, which is always available	133	our $LINK_MAP; # the special {link} map, which is always available
98		134
99	# used to convert map paths into valid unix filenames by replacing / by ∕	135	# used to convert map paths into valid unix filenames by replacing / by ∕
100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	136	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
101		137
102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	138	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
103	our $LOADAVG; # same thing, but with alpha-smoothing	139	our $LOADAVG; # same thing, but with alpha-smoothing
		140	our $JITTER; # average jitter
104	our $tick_start; # for load detecting purposes	141	our $TICK_START; # for load detecting purposes
		142
		143	our @POST_INIT;
		144
		145	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		146	our $REALLY_UNLOOP; # never set to true, please :)
105		147
106	binmode STDOUT;	148	binmode STDOUT;
107	binmode STDERR;	149	binmode STDERR;
108		150
109	# read virtual server time, if available	151	# read virtual server time, if available
110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	152	unless ($RUNTIME || !-e $RUNTIMEFILE) {
111	open my $fh, "<", "$LOCALDIR/runtime"	153	open my $fh, "<", $RUNTIMEFILE
112	or die "unable to read runtime file: $!";	154	or die "unable to read $RUNTIMEFILE file: $!";
113	$RUNTIME = <$fh> + 0.;	155	$RUNTIME = <$fh> + 0.;
114	}	156	}
		157
		158	eval "sub TICK() { $TICK } 1" or die;
115		159
116	mkdir $_	160	mkdir $_
117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	161	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
118		162
119	our $EMERGENCY_POSITION;	163	our $EMERGENCY_POSITION;
120		164
121	sub cf::map::normalise;	165	sub cf::map::normalise;
		166
		167	#############################################################################
		168
		169	%REFLECT = ();
		170	for (@REFLECT) {
		171	my $reflect = JSON::XS::decode_json $_;
		172	$REFLECT{$reflect->{class}} = $reflect;
		173	}
		174
		175	# this is decidedly evil
		176	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
122		177
123	#############################################################################	178	#############################################################################
124		179
125	=head2 GLOBAL VARIABLES	180	=head2 GLOBAL VARIABLES
126		181
…		…
162		217
163	The raw value load value from the last tick.	218	The raw value load value from the last tick.
164		219
165	=item %cf::CFG	220	=item %cf::CFG
166		221
167	Configuration for the server, loaded from C</etc/crossfire/config>, or	222	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
168	from wherever your confdir points to.	223	from wherever your confdir points to.
169		224
170	=item cf::wait_for_tick, cf::wait_for_tick_begin	225	=item cf::wait_for_tick, cf::wait_for_tick_begin
171		226
172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	227	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
…		…
177		232
178	This array contains the results of the last C<invoke ()> call. When	233	This array contains the results of the last C<invoke ()> call. When
179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	234	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
180	that call.	235	that call.
181		236
		237	=item %cf::REFLECT
		238
		239	Contains, for each (C++) class name, a hash reference with information
		240	about object members (methods, scalars, arrays and flags) and other
		241	metadata, which is useful for introspection.
		242
182	=back	243	=back
183		244
184	=cut	245	=cut
185		246
186	BEGIN {	247	$Coro::State::WARNHOOK = sub {
187	*CORE::GLOBAL::warn = sub {
188	my $msg = join "", @_;	248	my $msg = join "", @_;
189		249
190	$msg .= "\n"	250	$msg .= "\n"
191	unless $msg =~ /\n$/;	251	unless $msg =~ /\n$/;
192		252
193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	253	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
194		254
195	LOG llevError, $msg;	255	LOG llevError, $msg;
196	};	256	};
197	}	257
		258	$Coro::State::DIEHOOK = sub {
		259	return unless $^S eq 0; # "eq", not "=="
		260
		261	warn Carp::longmess $_[0];
		262
		263	if ($Coro::current == $Coro::main) {#d#
		264	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		265	return;#d#
		266	}#d#
		267
		268	# kill coroutine otherwise
		269	Coro::terminate
		270	};
198		271
199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	272	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	273	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	274	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	275	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
209	for my $pkg (qw(	282	for my $pkg (qw(
210	cf::global cf::attachable	283	cf::global cf::attachable
211	cf::object cf::object::player	284	cf::object cf::object::player
212	cf::client cf::player	285	cf::client cf::player
213	cf::arch cf::living	286	cf::arch cf::living
		287	cf::map cf::mapspace
214	cf::map cf::party cf::region	288	cf::party cf::region
215	)) {	289	)) {
216	no strict 'refs';
217	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	290	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
218	}	291	}
219		292
220	$Event::DIED = sub {	293	$EV::DIED = sub {
221	warn "error in event callback: @_";	294	warn "error in event callback: @_";
222	};	295	};
223		296
224	#############################################################################	297	#############################################################################
225		298
…		…
248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	321	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
249	$d	322	$d
250	} || "[unable to dump $_[0]: '$@']";	323	} || "[unable to dump $_[0]: '$@']";
251	}	324	}
252		325
253	=item $ref = cf::from_json $json	326	=item $ref = cf::decode_json $json
254		327
255	Converts a JSON string into the corresponding perl data structure.	328	Converts a JSON string into the corresponding perl data structure.
256		329
257	=item $json = cf::to_json $ref	330	=item $json = cf::encode_json $ref
258		331
259	Converts a perl data structure into its JSON representation.	332	Converts a perl data structure into its JSON representation.
260		333
261	=cut	334	=cut
262		335
263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	336	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
264		337
265	sub to_json ($) { $json_coder->encode ($_[0]) }	338	sub encode_json($) { $json_coder->encode ($_[0]) }
266	sub from_json ($) { $json_coder->decode ($_[0]) }	339	sub decode_json($) { $json_coder->decode ($_[0]) }
		340
		341	=item cf::post_init { BLOCK }
		342
		343	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		344	but I<before> the server starts ticking again.
		345
		346	The cdoeblock will have a single boolean argument to indicate whether this
		347	is a reload or not.
		348
		349	=cut
		350
		351	sub post_init(&) {
		352	push @POST_INIT, shift;
		353	}
267		354
268	=item cf::lock_wait $string	355	=item cf::lock_wait $string
269		356
270	Wait until the given lock is available. See cf::lock_acquire.	357	Wait until the given lock is available. See cf::lock_acquire.
271		358
272	=item my $lock = cf::lock_acquire $string	359	=item my $lock = cf::lock_acquire $string
273		360
274	Wait until the given lock is available and then acquires it and returns	361	Wait until the given lock is available and then acquires it and returns
275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	362	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
276	for example when the coroutine gets canceled), the lock is automatically	363	for example when the coroutine gets canceled), the lock is automatically
277	returned.	364	returned.
278		365
279	Locks are *not* recursive, locking from the same coro twice results in a	366	Locks are *not* recursive, locking from the same coro twice results in a
280	deadlocked coro.	367	deadlocked coro.
…		…
286		373
287	Return true if the lock is currently active, i.e. somebody has locked it.	374	Return true if the lock is currently active, i.e. somebody has locked it.
288		375
289	=cut	376	=cut
290		377
291	our %LOCK;	378	our $LOCKS = new Coro::SemaphoreSet;
292	our %LOCKER;#d#
293		379
294	sub lock_wait($) {	380	sub lock_wait($) {
295	my ($key) = @_;	381	$LOCKS->wait ($_[0]);
296
297	if ($LOCKER{$key} == $Coro::current) {#d#
298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
299	return;#d#
300	}#d#
301
302	# wait for lock, if any
303	while ($LOCK{$key}) {
304	push @{ $LOCK{$key} }, $Coro::current;
305	Coro::schedule;
306	}
307	}	382	}
308		383
309	sub lock_acquire($) {	384	sub lock_acquire($) {
310	my ($key) = @_;	385	$LOCKS->guard ($_[0])
311
312	# wait, to be sure we are not locked
313	lock_wait $key;
314
315	$LOCK{$key} = [];
316	$LOCKER{$key} = $Coro::current;#d#
317
318	Coro::guard {
319	delete $LOCKER{$key};#d#
320	# wake up all waiters, to be on the safe side
321	$_->ready for @{ delete $LOCK{$key} };
322	}
323	}	386	}
324		387
325	sub lock_active($) {	388	sub lock_active($) {
326	my ($key) = @_;	389	$LOCKS->count ($_[0]) < 1
327
328	! ! $LOCK{$key}
329	}	390	}
330		391
331	sub freeze_mainloop {	392	sub freeze_mainloop {
332	return unless $TICK_WATCHER->is_active;	393	tick_inhibit_inc;
333		394
334	my $guard = Coro::guard {	395	&Guard::guard (\&tick_inhibit_dec);
335	$TICK_WATCHER->start;	396	}
336	};	397
337	$TICK_WATCHER->stop;	398	=item cf::periodic $interval, $cb
338	$guard	399
		400	Like EV::periodic, but randomly selects a starting point so that the actions
		401	get spread over timer.
		402
		403	=cut
		404
		405	sub periodic($$) {
		406	my ($interval, $cb) = @_;
		407
		408	my $start = rand List::Util::min 180, $interval;
		409
		410	EV::periodic $start, $interval, 0, $cb
339	}	411	}
340		412
341	=item cf::get_slot $time[, $priority[, $name]]	413	=item cf::get_slot $time[, $priority[, $name]]
342		414
343	Allocate $time seconds of blocking CPU time at priority C<$priority>:	415	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
373	}	445	}
374	}	446	}
375	}	447	}
376		448
377	if (@SLOT_QUEUE) {	449	if (@SLOT_QUEUE) {
378	# we do not use wait_For_tick() as it returns immediately when tick is inactive	450	# we do not use wait_for_tick() as it returns immediately when tick is inactive
379	push @cf::WAIT_FOR_TICK, $signal;	451	push @cf::WAIT_FOR_TICK, $signal;
380	$signal->wait;	452	$signal->wait;
381	} else {	453	} else {
382	Coro::schedule;	454	Coro::schedule;
383	}	455	}
384	}	456	}
385	};	457	};
386		458
387	sub get_slot($;$$) {	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	# TODO: use suspend/resume instead	506	LOG llevError, Carp::longmess "sync job";#d#
433	# (but this is cancel-safe)	507
434	my $freeze_guard = freeze_mainloop;	508	my $freeze_guard = freeze_mainloop;
435		509
436	my $busy = 1;	510	my $busy = 1;
437	my @res;	511	my @res;
438		512
…		…
442	warn $@ if $@;	516	warn $@ if $@;
443	undef $busy;	517	undef $busy;
444	})->prio (Coro::PRIO_MAX);	518	})->prio (Coro::PRIO_MAX);
445		519
446	while ($busy) {	520	while ($busy) {
447	Coro::cede or Event::one_event;	521	if (Coro::nready) {
		522	Coro::cede_notself;
		523	} else {
		524	EV::loop EV::LOOP_ONESHOT;
448	}	525	}
		526	}
449		527
450	$time = Event::time - $time;	528	my $time = EV::time - $time;
451		529
452	LOG llevError | logBacktrace, Carp::longmess "long sync job"
453	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
454
455	$tick_start += $time; # do not account sync jobs to server load	530	$TICK_START += $time; # do not account sync jobs to server load
456		531
457	wantarray ? @res : $res[0]	532	wantarray ? @res : $res[0]
458	} else {	533	} else {
459	# we are in another coroutine, how wonderful, everything just works	534	# we are in another coroutine, how wonderful, everything just works
460		535
…		…
485	=item fork_call { }, $args	560	=item fork_call { }, $args
486		561
487	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
488	process, returning the results. Everything must be serialisable with	563	process, returning the results. Everything must be serialisable with
489	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
490	never block itself or use any form of Event handling.	565	never block itself or use any form of event handling.
491		566
492	=cut	567	=cut
493		568
494	sub fork_call(&@) {	569	sub fork_call(&@) {
495	my ($cb, @args) = @_;	570	my ($cb, @args) = @_;
…		…
502	reset_signals;	577	reset_signals;
503	&$cb	578	&$cb
504	}, @args;	579	}, @args;
505		580
506	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
507	}	609	}
508		610
509	=item $value = cf::db_get $family => $key	611	=item $value = cf::db_get $family => $key
510		612
511	Returns a single value from the environment database.	613	Returns a single value from the environment database.
…		…
650		752
651	#############################################################################	753	#############################################################################
652		754
653	=head2 ATTACHABLE OBJECTS	755	=head2 ATTACHABLE OBJECTS
654		756
655	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
656	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")
657	to it. All such attachable objects support the following methods.	759	to it. All such attachable objects support the following methods.
658		760
659	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>
660	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
661	Crossfire TRT).	763	Deliantra).
662		764
663	=over 4	765	=over 4
664		766
665	=item $attachable->attach ($attachment, key => $value...)	767	=item $attachable->attach ($attachment, key => $value...)
666		768
…		…
710	=item cf::CLASS::attachment $name, ...	812	=item cf::CLASS::attachment $name, ...
711		813
712	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
713	given CLASS can refer to this attachment.	815	given CLASS can refer to this attachment.
714		816
715	Some classes such as crossfire maps and objects can specify attachments	817	Some classes such as deliantra maps and objects can specify attachments
716	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.
717		819
718	These calls expect any number of the following handler/hook descriptions:	820	These calls expect any number of the following handler/hook descriptions:
719		821
720	=over 4	822	=over 4
…		…
948	}	1050	}
949		1051
950	0	1052	0
951	}	1053	}
952		1054
953	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1055	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
954		1056
955	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1057	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
956		1058
957	Generate an object-specific event with the given arguments.	1059	Generate an object-specific event with the given arguments.
958		1060
…		…
964		1066
965	=cut	1067	=cut
966		1068
967	#############################################################################	1069	#############################################################################
968	# object support	1070	# object support
969	#
970		1071
		1072	sub _object_equal($$);
		1073	sub _object_equal($$) {
		1074	my ($a, $b) = @_;
		1075
		1076	return 0 unless (ref $a) eq (ref $b);
		1077
		1078	if ("HASH" eq ref $a) {
		1079	my @ka = keys %$a;
		1080	my @kb = keys %$b;
		1081
		1082	return 0 if @ka != @kb;
		1083
		1084	for (0 .. $#ka) {
		1085	return 0 unless $ka[$_] eq $kb[$_];
		1086	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1087	}
		1088
		1089	} elsif ("ARRAY" eq ref $a) {
		1090
		1091	return 0 if @$a != @$b;
		1092
		1093	for (0 .. $#$a) {
		1094	return 0 unless _object_equal $a->[$_], $b->[$_];
		1095	}
		1096
		1097	} elsif ($a ne $b) {
		1098	return 0;
		1099	}
		1100
		1101	1
		1102	}
		1103
		1104	our $SLOW_MERGES;#d#
971	sub _can_merge {	1105	sub _can_merge {
972	my ($ob1, $ob2) = @_;	1106	my ($ob1, $ob2) = @_;
973		1107
974	local $Storable::canonical = 1;	1108	++$SLOW_MERGES;#d#
975	my $fob1 = Storable::freeze $ob1;
976	my $fob2 = Storable::freeze $ob2;
977		1109
978	$fob1 eq $fob2	1110	# we do the slow way here
		1111	return _object_equal $ob1, $ob2
979	}	1112	}
980		1113
981	sub reattach {	1114	sub reattach {
982	# basically do the same as instantiate, without calling instantiate	1115	# basically do the same as instantiate, without calling instantiate
983	my ($obj) = @_;	1116	my ($obj) = @_;
984		1117
		1118	# no longer needed after getting rid of delete_package?
985	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
986		1120
987	my $registry = $obj->registry;	1121	my $registry = $obj->registry;
988		1122
989	@$registry = ();	1123	@$registry = ();
990		1124
…		…
1005	cf::attachable->attach (	1139	cf::attachable->attach (
1006	prio => -1000000,	1140	prio => -1000000,
1007	on_instantiate => sub {	1141	on_instantiate => sub {
1008	my ($obj, $data) = @_;	1142	my ($obj, $data) = @_;
1009		1143
1010	$data = from_json $data;	1144	$data = decode_json $data;
1011		1145
1012	for (@$data) {	1146	for (@$data) {
1013	my ($name, $args) = @$_;	1147	my ($name, $args) = @$_;
1014		1148
1015	$obj->attach ($name, %{$args || {} });	1149	$obj->attach ($name, %{$args || {} });
…		…
1036	utf8::decode (my $decname = $filename);	1170	utf8::decode (my $decname = $filename);
1037	warn sprintf "saving %s (%d,%d)\n",	1171	warn sprintf "saving %s (%d,%d)\n",
1038	$decname, length $$rdata, scalar @$objs;	1172	$decname, length $$rdata, scalar @$objs;
1039		1173
1040	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1174	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1041	chmod SAVE_MODE, $fh;	1175	aio_chmod $fh, SAVE_MODE;
1042	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1176	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1043	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	}
1044	close $fh;	1181	aio_close $fh;
1045		1182
1046	if (@$objs) {	1183	if (@$objs) {
1047	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) {
1048	chmod SAVE_MODE, $fh;	1185	aio_chmod $fh, SAVE_MODE;
1049	my $data = Storable::nfreeze { version => 1, objs => $objs };	1186	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1050	aio_write $fh, 0, (length $data), $data, 0;	1187	aio_write $fh, 0, (length $data), $data, 0;
1051	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	}
1052	close $fh;	1192	aio_close $fh;
1053	aio_rename "$filename.pst~", "$filename.pst";	1193	aio_rename "$filename.pst~", "$filename.pst";
1054	}	1194	}
1055	} else {	1195	} else {
1056	aio_unlink "$filename.pst";	1196	aio_unlink "$filename.pst";
1057	}	1197	}
1058		1198
1059	aio_rename "$filename~", $filename;	1199	aio_rename "$filename~", $filename;
		1200
		1201	$filename =~ s%/[^/]+$%%;
		1202	aio_pathsync $filename if $cf::USE_FSYNC;
1060	} else {	1203	} else {
1061	warn "FATAL: $filename~: $!\n";	1204	warn "unable to save objects: $filename~: $!\n";
1062	}	1205	}
1063	} else {	1206	} else {
1064	aio_unlink $filename;	1207	aio_unlink $filename;
1065	aio_unlink "$filename.pst";	1208	aio_unlink "$filename.pst";
1066	}	1209	}
…		…
1085		1228
1086	unless (aio_stat "$filename.pst") {	1229	unless (aio_stat "$filename.pst") {
1087	(aio_load "$filename.pst", $av) >= 0	1230	(aio_load "$filename.pst", $av) >= 0
1088	or return;	1231	or return;
1089		1232
1090	$av = eval { (Storable::thaw $av)->{objs} };	1233	my $st = eval { Coro::Storable::thaw $av };
		1234	$av = $st->{objs};
1091	}	1235	}
1092		1236
1093	utf8::decode (my $decname = $filename);	1237	utf8::decode (my $decname = $filename);
1094	warn sprintf "loading %s (%d,%d)\n",	1238	warn sprintf "loading %s (%d,%d)\n",
1095	$decname, length $data, scalar @{$av || []};	1239	$decname, length $data, scalar @{$av || []};
…		…
1156	my ($name, $cb) = @_;	1300	my ($name, $cb) = @_;
1157		1301
1158	$EXTICMD{$name} = $cb;	1302	$EXTICMD{$name} = $cb;
1159	}	1303	}
1160		1304
		1305	use File::Glob ();
		1306
1161	cf::player->attach (	1307	cf::player->attach (
1162	on_command => sub {	1308	on_command => sub {
1163	my ($pl, $name, $params) = @_;	1309	my ($pl, $name, $params) = @_;
1164		1310
1165	my $cb = $COMMAND{$name}	1311	my $cb = $COMMAND{$name}
…		…
1197		1343
1198	cf::override;	1344	cf::override;
1199	},	1345	},
1200	);	1346	);
1201		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
1202	sub load_extensions {	1361	sub load_extensions {
1203	cf::sync_job {	1362	cf::sync_job {
1204	my %todo;	1363	my %todo;
1205		1364
1206	for my $path (<$LIBDIR/*.ext>) {	1365	for my $path (<$LIBDIR/*.ext>) {
…		…
1225		1384
1226	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1385	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1227	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1386	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1228		1387
1229	$ext{source} =	1388	$ext{source} =
1230	"package $pkg; use strict; use utf8;\n"	1389	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1231	. "#line 1 \"$path\"\n{\n"	1390	. "#line 1 \"$path\"\n{\n"
1232	. $source	1391	. $source
1233	. "\n};\n1";	1392	. "\n};\n1";
1234		1393
1235	$todo{$base} = \%ext;	1394	$todo{$base} = \%ext;
…		…
1251	my $msg = $@ ? "$v->{path}: $@\n"	1410	my $msg = $@ ? "$v->{path}: $@\n"
1252	: "$v->{base}: extension inactive.\n";	1411	: "$v->{base}: extension inactive.\n";
1253		1412
1254	if (exists $v->{meta}{mandatory}) {	1413	if (exists $v->{meta}{mandatory}) {
1255	warn $msg;	1414	warn $msg;
1256	warn "mandatory extension failed to load, exiting.\n";	1415	cf::cleanup "mandatory extension failed to load, exiting.";
1257	exit 1;
1258	}	1416	}
1259		1417
1260	warn $msg;	1418	warn $msg;
1261	}	1419	}
1262		1420
…		…
1276		1434
1277	=back	1435	=back
1278		1436
1279	=head2 CORE EXTENSIONS	1437	=head2 CORE EXTENSIONS
1280		1438
1281	Functions and methods that extend core crossfire objects.	1439	Functions and methods that extend core deliantra objects.
1282		1440
1283	=cut	1441	=cut
1284		1442
1285	package cf::player;	1443	package cf::player;
1286		1444
…		…
1329		1487
1330	sub exists($) {	1488	sub exists($) {
1331	my ($login) = @_;	1489	my ($login) = @_;
1332		1490
1333	$cf::PLAYER{$login}	1491	$cf::PLAYER{$login}
1334	or cf::sync_job { !aio_stat path $login }	1492	or !aio_stat path $login
1335	}	1493	}
1336		1494
1337	sub find($) {	1495	sub find($) {
1338	return $cf::PLAYER{$_[0]} || do {	1496	return $cf::PLAYER{$_[0]} || do {
1339	my $login = $_[0];	1497	my $login = $_[0];
…		…
1351	my $f = new_from_file cf::object::thawer path $login	1509	my $f = new_from_file cf::object::thawer path $login
1352	or return;	1510	or return;
1353		1511
1354	my $pl = cf::player::load_pl $f	1512	my $pl = cf::player::load_pl $f
1355	or return;	1513	or return;
		1514
1356	local $cf::PLAYER_LOADING{$login} = $pl;	1515	local $cf::PLAYER_LOADING{$login} = $pl;
1357	$f->resolve_delayed_derefs;	1516	$f->resolve_delayed_derefs;
1358	$cf::PLAYER{$login} = $pl	1517	$cf::PLAYER{$login} = $pl
1359	}	1518	}
1360	}	1519	}
…		…
1370		1529
1371	return if $pl->{deny_save};	1530	return if $pl->{deny_save};
1372		1531
1373	aio_mkdir playerdir $pl, 0770;	1532	aio_mkdir playerdir $pl, 0770;
1374	$pl->{last_save} = $cf::RUNTIME;	1533	$pl->{last_save} = $cf::RUNTIME;
		1534
		1535	cf::get_slot 0.01;
1375		1536
1376	$pl->save_pl ($path);	1537	$pl->save_pl ($path);
1377	cf::cede_to_tick;	1538	cf::cede_to_tick;
1378	}	1539	}
1379		1540
…		…
1411	my ($pl) = @_;	1572	my ($pl) = @_;
1412		1573
1413	my $name = $pl->ob->name;	1574	my $name = $pl->ob->name;
1414		1575
1415	$pl->{deny_save} = 1;	1576	$pl->{deny_save} = 1;
1416	$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
1417		1578
1418	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1579	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1419	$pl->deactivate;	1580	$pl->deactivate;
		1581	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1582	$pl->ob->check_score;
1420	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1583	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1421	$pl->ns->destroy if $pl->ns;	1584	$pl->ns->destroy if $pl->ns;
1422		1585
1423	my $path = playerdir $pl;	1586	my $path = playerdir $pl;
1424	my $temp = "$path~$cf::RUNTIME~deleting~";	1587	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1463		1626
1464	for my $login (@$dirs) {	1627	for my $login (@$dirs) {
1465	my $path = path $login;	1628	my $path = path $login;
1466		1629
1467	# a .pst is a dead give-away for a valid player	1630	# a .pst is a dead give-away for a valid player
1468	unless (-e "$path.pst") {	1631	# if no pst file found, open and chekc for blocked users
		1632	if (aio_stat "$path.pst") {
1469	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1633	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1470	aio_read $fh, 0, 512, my $buf, 0 or next;	1634	aio_read $fh, 0, 512, my $buf, 0 or next;
1471	$buf !~ /^password -------------$/m or next; # official not-valid tag	1635	$buf !~ /^password -------------$/m or next; # official not-valid tag
1472	}	1636	}
1473		1637
…		…
1504	}	1668	}
1505		1669
1506	\@paths	1670	\@paths
1507	}	1671	}
1508		1672
1509	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1673	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1510		1674
1511	Expand crossfire pod fragments into protocol xml.	1675	Expand deliantra pod fragments into protocol xml.
1512
1513	=cut
1514
1515	sub expand_cfpod {
1516	((my $self), (local $_)) = @_;
1517
1518	# escape & and <
1519	s/&/&amp;/g;
1520	s/(?<![BIUGHT])</&lt;/g;
1521
1522	# this is buggy, it needs to properly take care of nested <'s
1523
1524	1 while
1525	# replace B<>, I<>, U<> etc.
1526	s/B<([^\>]*)>/<b>$1<\/b>/
1527	|| s/I<([^\>]*)>/<i>$1<\/i>/
1528	|| s/U<([^\>]*)>/<u>$1<\/u>/
1529	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1530	# replace G<male|female> tags
1531	|| s{G<([^>|]*)\|([^>]*)>}{
1532	$self->gender ? $2 : $1
1533	}ge
1534	# replace H<hint text>
1535	|| s{H<([^\>]*)>}
1536	{
1537	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1538	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1539	"")
1540	[$self->{hintmode}]
1541	}ge;
1542
1543	# create single paragraphs (very hackish)
1544	s/(?<=\S)\n(?=\w)/ /g;
1545
1546	# compress some whitespace
1547	s/\s+\n/\n/g; # ws line-ends
1548	s/\n\n+/\n/g; # double lines
1549	s/^\n+//; # beginning lines
1550	s/\n+$//; # ending lines
1551
1552	$_
1553	}
1554
1555	sub hintmode {
1556	$_[0]{hintmode} = $_[1] if @_ > 1;
1557	$_[0]{hintmode}
1558	}
1559		1676
1560	=item $player->ext_reply ($msgid, @msg)	1677	=item $player->ext_reply ($msgid, @msg)
1561		1678
1562	Sends an ext reply to the player.	1679	Sends an ext reply to the player.
1563		1680
…		…
1630	our $MAX_RESET = 3600;	1747	our $MAX_RESET = 3600;
1631	our $DEFAULT_RESET = 3000;	1748	our $DEFAULT_RESET = 3000;
1632		1749
1633	sub generate_random_map {	1750	sub generate_random_map {
1634	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
1635	# mit "rum" bekleckern, nicht	1755	# mit "rum" bekleckern, nicht
1636	$self->_create_random_map (	1756	$self->_create_random_map (
1637	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1757	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1638	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1758	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1639	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1759	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1761		1881
1762	# the temporary/swap location	1882	# the temporary/swap location
1763	sub save_path {	1883	sub save_path {
1764	my ($self) = @_;	1884	my ($self) = @_;
1765		1885
1766	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1886	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1767	"$TMPDIR/$path.map"	1887	"$TMPDIR/$path.map"
1768	}	1888	}
1769		1889
1770	# the unique path, undef == no special unique path	1890	# the unique path, undef == no special unique path
1771	sub uniq_path {	1891	sub uniq_path {
1772	my ($self) = @_;	1892	my ($self) = @_;
1773		1893
1774	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1894	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1775	"$UNIQUEDIR/$path"	1895	"$UNIQUEDIR/$path"
1776	}
1777
1778	# and all this just because we cannot iterate over
1779	# all maps in C++...
1780	sub change_all_map_light {
1781	my ($change) = @_;
1782
1783	$_->change_map_light ($change)
1784	for grep $_->outdoor, values %cf::MAP;
1785	}	1896	}
1786		1897
1787	sub decay_objects {	1898	sub decay_objects {
1788	my ($self) = @_;	1899	my ($self) = @_;
1789		1900
…		…
1873	sub find {	1984	sub find {
1874	my ($path, $origin) = @_;	1985	my ($path, $origin) = @_;
1875		1986
1876	$path = normalise $path, $origin && $origin->path;	1987	$path = normalise $path, $origin && $origin->path;
1877		1988
1878	cf::lock_wait "map_data:$path";#d#remove	1989	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1879	cf::lock_wait "map_find:$path";	1990	my $guard2 = cf::lock_acquire "map_find:$path";
1880		1991
1881	$cf::MAP{$path} || do {	1992	$cf::MAP{$path} || do {
1882	my $guard1 = cf::lock_acquire "map_find:$path";
1883	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1884
1885	my $map = new_from_path cf::map $path	1993	my $map = new_from_path cf::map $path
1886	or return;	1994	or return;
1887		1995
1888	$map->{last_save} = $cf::RUNTIME;	1996	$map->{last_save} = $cf::RUNTIME;
1889		1997
…		…
1891	or return;	1999	or return;
1892		2000
1893	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2001	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1894	# doing this can freeze the server in a sync job, obviously	2002	# doing this can freeze the server in a sync job, obviously
1895	#$cf::WAIT_FOR_TICK->wait;	2003	#$cf::WAIT_FOR_TICK->wait;
		2004	undef $guard2;
1896	undef $guard1;	2005	undef $guard1;
1897	undef $guard2;
1898	$map->reset;	2006	$map->reset;
1899	return find $path;	2007	return find $path;
1900	}	2008	}
1901		2009
1902	$cf::MAP{$path} = $map	2010	$cf::MAP{$path} = $map
…		…
1929	my $f = new_from_file cf::object::thawer $self->{load_path};	2037	my $f = new_from_file cf::object::thawer $self->{load_path};
1930	$f->skip_block;	2038	$f->skip_block;
1931	$self->_load_objects ($f)	2039	$self->_load_objects ($f)
1932	or return;	2040	or return;
1933		2041
1934	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2042	$self->post_load_original
1935	if delete $self->{load_original};	2043	if delete $self->{load_original};
1936		2044
1937	if (my $uniq = $self->uniq_path) {	2045	if (my $uniq = $self->uniq_path) {
1938	utf8::encode $uniq;	2046	utf8::encode $uniq;
1939	unless (aio_stat $uniq) {	2047	unless (aio_stat $uniq) {
…		…
1957	unless ($self->{deny_activate}) {	2065	unless ($self->{deny_activate}) {
1958	$self->decay_objects;	2066	$self->decay_objects;
1959	$self->fix_auto_apply;	2067	$self->fix_auto_apply;
1960	$self->update_buttons;	2068	$self->update_buttons;
1961	cf::cede_to_tick;	2069	cf::cede_to_tick;
1962	$self->set_darkness_map;
1963	cf::cede_to_tick;
1964	$self->activate;	2070	$self->activate;
1965	}	2071	}
1966		2072
1967	$self->{last_save} = $cf::RUNTIME;	2073	$self->{last_save} = $cf::RUNTIME;
1968	$self->last_access ($cf::RUNTIME);	2074	$self->last_access ($cf::RUNTIME);
1969		2075
1970	$self->in_memory (cf::MAP_IN_MEMORY);	2076	$self->in_memory (cf::MAP_ACTIVE);
1971	}	2077	}
1972		2078
1973	$self->post_load;	2079	$self->post_load;
1974	}	2080	}
1975		2081
…		…
2033	my ($path, $origin, $load) = @_;	2139	my ($path, $origin, $load) = @_;
2034		2140
2035	$path = normalise $path, $origin && $origin->{path};	2141	$path = normalise $path, $origin && $origin->{path};
2036		2142
2037	if (my $map = $cf::MAP{$path}) {	2143	if (my $map = $cf::MAP{$path}) {
2038	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2144	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2039	}	2145	}
2040		2146
2041	$MAP_PREFETCH{$path} |= $load;	2147	$MAP_PREFETCH{$path} |= $load;
2042		2148
2043	$MAP_PREFETCHER ||= cf::async {	2149	$MAP_PREFETCHER ||= cf::async {
…		…
2080	cf::async {	2186	cf::async {
2081	$Coro::current->{desc} = "map player save";	2187	$Coro::current->{desc} = "map player save";
2082	$_->contr->save for $self->players;	2188	$_->contr->save for $self->players;
2083	};	2189	};
2084		2190
		2191	cf::get_slot 0.02;
		2192
2085	if ($uniq) {	2193	if ($uniq) {
2086	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2194	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2087	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2195	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2088	} else {	2196	} else {
2089	$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);
…		…
2097	$self->save;	2205	$self->save;
2098		2206
2099	my $lock = cf::lock_acquire "map_data:$self->{path}";	2207	my $lock = cf::lock_acquire "map_data:$self->{path}";
2100		2208
2101	return if $self->players;	2209	return if $self->players;
2102	return if $self->in_memory != cf::MAP_IN_MEMORY;	2210	return if $self->in_memory != cf::MAP_ACTIVE;
2103	return if $self->{deny_save};	2211	return if $self->{deny_save};
2104		2212
2105	$self->in_memory (cf::MAP_SWAPPED);	2213	$self->in_memory (cf::MAP_SWAPPED);
2106		2214
2107	$self->deactivate;	2215	$self->deactivate;
…		…
2132		2240
2133	my $lock = cf::lock_acquire "map_data:$self->{path}";	2241	my $lock = cf::lock_acquire "map_data:$self->{path}";
2134		2242
2135	return if $self->players;	2243	return if $self->players;
2136		2244
2137	warn "resetting map ", $self->path;	2245	warn "resetting map ", $self->path, "\n";
2138		2246
2139	$self->in_memory (cf::MAP_SWAPPED);	2247	$self->in_memory (cf::MAP_SWAPPED);
2140		2248
2141	# need to save uniques path	2249	# need to save uniques path
2142	unless ($self->{deny_save}) {	2250	unless ($self->{deny_save}) {
…		…
2225		2333
2226	sub unique_maps() {	2334	sub unique_maps() {
2227	[	2335	[
2228	map {	2336	map {
2229	utf8::decode $_;	2337	utf8::decode $_;
2230	/\.map$/	2338	s/\.map$//; # TODO future compatibility hack
		2339	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2340	? ()
2231	? normalise $_	2341	: normalise $_
2232	: ()
2233	} @{ aio_readdir $UNIQUEDIR or [] }	2342	} @{ aio_readdir $UNIQUEDIR or [] }
2234	]	2343	]
2235	}	2344	}
2236		2345
2237	package cf;
2238
2239	=back	2346	=back
2240		2347
2241	=head3 cf::object	2348	=head3 cf::object
2242		2349
2243	=cut	2350	=cut
…		…
2246		2353
2247	=over 4	2354	=over 4
2248		2355
2249	=item $ob->inv_recursive	2356	=item $ob->inv_recursive
2250		2357
2251	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.
2252		2360
2253	=cut	2361	=cut
2254		2362
2255	sub inv_recursive_;	2363	sub inv_recursive_;
2256	sub inv_recursive_ {	2364	sub inv_recursive_ {
…		…
2261	inv_recursive_ inv $_[0]	2369	inv_recursive_ inv $_[0]
2262	}	2370	}
2263		2371
2264	=item $ref = $ob->ref	2372	=item $ref = $ob->ref
2265		2373
2266	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.
2267		2375
2268	=item $ob = cf::object::deref ($refstring)	2376	=item $ob = cf::object::deref ($refstring)
2269		2377
2270	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,
2271	even if the object actually exists. May block.	2379	even if the object actually exists. May block.
…		…
2303	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
2304	dialogue with the given NPC character.	2412	dialogue with the given NPC character.
2305		2413
2306	=cut	2414	=cut
2307		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
2308	# rough implementation of a future "reply" method that works	2430	# rough implementation of a future "reply" method that works
2309	# with dialog boxes.	2431	# with dialog boxes.
2310	#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
2311	sub cf::object::player::reply($$$;$) {	2433	sub cf::object::player::reply($$$;$) {
2312	my ($self, $npc, $msg, $flags) = @_;	2434	my ($self, $npc, $msg, $flags) = @_;
…		…
2323	my $dialog = $pl->{npc_dialog};	2445	my $dialog = $pl->{npc_dialog};
2324	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2446	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2325		2447
2326	} else {	2448	} else {
2327	$msg = $npc->name . " says: $msg" if $npc;	2449	$msg = $npc->name . " says: $msg" if $npc;
2328	$self->message ($msg, $flags);	2450	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2329	}	2451	}
2330	}	2452	}
2331	}	2453	}
2332		2454
2333	=item $object->send_msg ($channel, $msg, $color, [extra...])	2455	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2358		2480
2359	=item $player_object->enter_link	2481	=item $player_object->enter_link
2360		2482
2361	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}>).
2362		2484
2363	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.
2364	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.
2365		2489
2366	Will never block.	2490	Will never block.
2367		2491
2368	=item $player_object->leave_link ($map, $x, $y)	2492	=item $player_object->leave_link ($map, $x, $y)
2369		2493
…		…
2427		2551
2428	$map->load;	2552	$map->load;
2429	$map->load_neighbours;	2553	$map->load_neighbours;
2430		2554
2431	return unless $self->contr->active;	2555	return unless $self->contr->active;
2432	$self->activate_recursive;
2433		2556
2434	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2557	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2435	$self->enter_map ($map, $x, $y);	2558	$self->enter_map ($map, $x, $y);
		2559
		2560	# only activate afterwards, to support waiting in hooks
		2561	$self->activate_recursive;
2436	}	2562	}
2437		2563
2438	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2564	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2439		2565
2440	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
2441	her, loading and preparing them map, calling the provided $check callback	2567	her, loading and preparing them map, calling the provided $check callback
2442	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
2443	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
2444	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 >>.
2445		2574
2446	=cut	2575	=cut
2447		2576
2448	our $GOTOGEN;	2577	our $GOTOGEN;
2449		2578
…		…
2528	}	2657	}
2529		2658
2530	sub prepare_random_map {	2659	sub prepare_random_map {
2531	my ($exit) = @_;	2660	my ($exit) = @_;
2532		2661
2533	my $guard = cf::lock_acquire "exit_prepare:$exit";
2534
2535	# all this does is basically replace the /! path by	2662	# all this does is basically replace the /! path by
2536	# a new random map path (?random/...) with a seed	2663	# a new random map path (?random/...) with a seed
2537	# that depends on the exit object	2664	# that depends on the exit object
2538		2665
2539	my $rmp = parse_random_map_params $exit->msg;	2666	my $rmp = parse_random_map_params $exit->msg;
…		…
2541	if ($exit->map) {	2668	if ($exit->map) {
2542	$rmp->{region} = $exit->region->name;	2669	$rmp->{region} = $exit->region->name;
2543	$rmp->{origin_map} = $exit->map->path;	2670	$rmp->{origin_map} = $exit->map->path;
2544	$rmp->{origin_x} = $exit->x;	2671	$rmp->{origin_x} = $exit->x;
2545	$rmp->{origin_y} = $exit->y;	2672	$rmp->{origin_y} = $exit->y;
		2673
		2674	$exit->map->touch;
2546	}	2675	}
2547		2676
2548	$rmp->{random_seed} ||= $exit->random_seed;	2677	$rmp->{random_seed} ||= $exit->random_seed;
2549		2678
2550	my $data = cf::to_json $rmp;	2679	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2551	my $md5 = Digest::MD5::md5_hex $data;	2680	my $md5 = Digest::MD5::md5_hex $data;
2552	my $meta = "$RANDOMDIR/$md5.meta";	2681	my $meta = "$RANDOMDIR/$md5.meta";
2553		2682
2554	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2683	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2555	aio_write $fh, 0, (length $data), $data, 0;	2684	aio_write $fh, 0, (length $data), $data, 0;
2556	undef $fh;	2685	undef $fh;
2557	aio_rename "$meta~", $meta;	2686	aio_rename "$meta~", $meta;
2558		2687
		2688	my $slaying = "?random/$md5";
		2689
		2690	if ($exit->valid) {
2559	$exit->slaying ("?random/$md5");	2691	$exit->slaying ("?random/$md5");
2560	$exit->msg (undef);	2692	$exit->msg (undef);
		2693	}
2561	}	2694	}
2562	}	2695	}
2563		2696
2564	sub cf::object::player::enter_exit {	2697	sub cf::object::player::enter_exit {
2565	my ($self, $exit) = @_;	2698	my ($self, $exit) = @_;
2566		2699
2567	return unless $self->type == cf::PLAYER;	2700	return unless $self->type == cf::PLAYER;
2568		2701
2569	if ($exit->slaying eq "/!") {
2570	#TODO: this should de-fi-ni-te-ly not be a sync-job
2571	# the problem is that $exit might not survive long enough
2572	# so it needs to be done right now, right here
2573	cf::sync_job { prepare_random_map $exit };
2574	}
2575
2576	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2577	my $hp = $exit->stats->hp;
2578	my $sp = $exit->stats->sp;
2579
2580	$self->enter_link;	2702	$self->enter_link;
2581		2703
2582	# if exit is damned, update players death & WoR home-position
2583	$self->contr->savebed ($slaying, $hp, $sp)
2584	if $exit->flag (FLAG_DAMNED);
2585
2586	(async {	2704	(async {
2587	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2705	$Coro::current->{desc} = "enter_exit";
2588		2706
2589	$self->deactivate_recursive; # just to be sure
2590	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
2591	$self->goto ($slaying, $hp, $sp);	2722	$self->goto ($map, $x, $y);
2592		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
2593	1;	2728	1
2594	}) {	2729	}) {
2595	$self->message ("Something went wrong deep within the crossfire server. "	2730	$self->message ("Something went wrong deep within the deliantra server. "
2596	. "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. "
2597	. "Please report this to the dungeon master!",	2732	. "Please report this to the dungeon master!",
2598	cf::NDI_UNIQUE | cf::NDI_RED);	2733	cf::NDI_UNIQUE | cf::NDI_RED);
2599		2734
2600	warn "ERROR in enter_exit: $@";	2735	warn "ERROR in enter_exit: $@";
…		…
2628	the message, with C<log> being the default. If C<$color> is negative, suppress	2763	the message, with C<log> being the default. If C<$color> is negative, suppress
2629	the message unless the client supports the msg packet.	2764	the message unless the client supports the msg packet.
2630		2765
2631	=cut	2766	=cut
2632		2767
		2768	# non-persistent channels (usually the info channel)
2633	our %CHANNEL = (	2769	our %CHANNEL = (
2634	"c/identify" => {	2770	"c/identify" => {
2635	id => "infobox",	2771	id => "infobox",
2636	title => "Identify",	2772	title => "Identify",
2637	reply => undef,	2773	reply => undef,
…		…
2641	id => "infobox",	2777	id => "infobox",
2642	title => "Examine",	2778	title => "Examine",
2643	reply => undef,	2779	reply => undef,
2644	tooltip => "Signs and other items you examined",	2780	tooltip => "Signs and other items you examined",
2645	},	2781	},
		2782	"c/book" => {
		2783	id => "infobox",
		2784	title => "Book",
		2785	reply => undef,
		2786	tooltip => "The contents of a note or book",
		2787	},
2646	"c/lookat" => {	2788	"c/lookat" => {
2647	id => "infobox",	2789	id => "infobox",
2648	title => "Look",	2790	title => "Look",
2649	reply => undef,	2791	reply => undef,
2650	tooltip => "What you saw there",	2792	tooltip => "What you saw there",
2651	},	2793	},
		2794	"c/who" => {
		2795	id => "infobox",
		2796	title => "Players",
		2797	reply => undef,
		2798	tooltip => "Shows players who are currently online",
		2799	},
		2800	"c/body" => {
		2801	id => "infobox",
		2802	title => "Body Parts",
		2803	reply => undef,
		2804	tooltip => "Shows which body parts you posess and are available",
		2805	},
		2806	"c/statistics" => {
		2807	id => "infobox",
		2808	title => "Statistics",
		2809	reply => undef,
		2810	tooltip => "Shows your primary statistics",
		2811	},
		2812	"c/skills" => {
		2813	id => "infobox",
		2814	title => "Skills",
		2815	reply => undef,
		2816	tooltip => "Shows your experience per skill and item power",
		2817	},
		2818	"c/shopitems" => {
		2819	id => "infobox",
		2820	title => "Shop Items",
		2821	reply => undef,
		2822	tooltip => "Shows the items currently for sale in this shop",
		2823	},
		2824	"c/resistances" => {
		2825	id => "infobox",
		2826	title => "Resistances",
		2827	reply => undef,
		2828	tooltip => "Shows your resistances",
		2829	},
		2830	"c/pets" => {
		2831	id => "infobox",
		2832	title => "Pets",
		2833	reply => undef,
		2834	tooltip => "Shows information abotu your pets/a specific pet",
		2835	},
		2836	"c/perceiveself" => {
		2837	id => "infobox",
		2838	title => "Perceive Self",
		2839	reply => undef,
		2840	tooltip => "You gained detailed knowledge about yourself",
		2841	},
		2842	"c/uptime" => {
		2843	id => "infobox",
		2844	title => "Uptime",
		2845	reply => undef,
		2846	tooltip => "How long the server has been running since last restart",
		2847	},
		2848	"c/mapinfo" => {
		2849	id => "infobox",
		2850	title => "Map Info",
		2851	reply => undef,
		2852	tooltip => "Information related to the maps",
		2853	},
		2854	"c/party" => {
		2855	id => "party",
		2856	title => "Party",
		2857	reply => "gsay ",
		2858	tooltip => "Messages and chat related to your party",
		2859	},
		2860	"c/death" => {
		2861	id => "death",
		2862	title => "Death",
		2863	reply => undef,
		2864	tooltip => "Reason for and more info about your most recent death",
		2865	},
		2866	"c/say" => $SAY_CHANNEL,
		2867	"c/chat" => $CHAT_CHANNEL,
2652	);	2868	);
2653		2869
2654	sub cf::client::send_msg {	2870	sub cf::client::send_msg {
2655	my ($self, $channel, $msg, $color, @extra) = @_;	2871	my ($self, $channel, $msg, $color, @extra) = @_;
2656		2872
2657	$msg = $self->pl->expand_cfpod ($msg);	2873	$msg = $self->pl->expand_cfpod ($msg)
		2874	unless $color & cf::NDI_VERBATIM;
2658		2875
2659	$color &= cf::NDI_CLIENT_MASK; # just in case...	2876	$color &= cf::NDI_CLIENT_MASK; # just in case...
2660		2877
2661	# check predefined channels, for the benefit of C	2878	# check predefined channels, for the benefit of C
2662	if ($CHANNEL{$channel}) {	2879	if ($CHANNEL{$channel}) {
2663	$channel = $CHANNEL{$channel};	2880	$channel = $CHANNEL{$channel};
2664		2881
2665	$self->ext_msg (channel_info => $channel)	2882	$self->ext_msg (channel_info => $channel);
2666	if $self->can_msg;
2667
2668	$channel = $channel->{id};	2883	$channel = $channel->{id};
2669		2884
2670	} elsif (ref $channel) {	2885	} elsif (ref $channel) {
2671	# send meta info to client, if not yet sent	2886	# send meta info to client, if not yet sent
2672	unless (exists $self->{channel}{$channel->{id}}) {	2887	unless (exists $self->{channel}{$channel->{id}}) {
2673	$self->{channel}{$channel->{id}} = $channel;	2888	$self->{channel}{$channel->{id}} = $channel;
2674	$self->ext_msg (channel_info => $channel)	2889	$self->ext_msg (channel_info => $channel);
2675	if $self->can_msg;
2676	}	2890	}
2677		2891
2678	$channel = $channel->{id};	2892	$channel = $channel->{id};
2679	}	2893	}
2680		2894
2681	return unless @extra || length $msg;	2895	return unless @extra || length $msg;
2682		2896
2683	if ($self->can_msg) {
2684	# default colour, mask it out	2897	# default colour, mask it out
2685	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2898	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2686	if $color & cf::NDI_DEF;	2899	if $color & cf::NDI_DEF;
2687		2900
2688	$self->send_packet ("msg " . $self->{json_coder}->encode (	2901	my $pkt = "msg "
		2902	. $self->{json_coder}->encode (
2689	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2903	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2690	} else {	2904	);
2691	if ($color >= 0) {
2692	# replace some tags by gcfclient-compatible ones
2693	for ($msg) {
2694	1 while
2695	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2696	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2697	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2698	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2699	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2700	}
2701		2905
2702	$color &= cf::NDI_COLOR_MASK;	2906	# try lzf for large packets
		2907	$pkt = "lzf " . Compress::LZF::compress $pkt
		2908	if 1024 <= length $pkt and $self->{can_lzf};
2703		2909
2704	utf8::encode $msg;	2910	# split very large packets
2705		2911	if (8192 < length $pkt and $self->{can_lzf}) {
2706	if (0 && $msg =~ /\[/) {	2912	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2707	# COMMAND/INFO	2913	$pkt = "frag";
2708	$self->send_packet ("drawextinfo $color 10 8 $msg")
2709	} else {
2710	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2711	$self->send_packet ("drawinfo $color $msg")
2712	}
2713	}
2714	}	2914	}
		2915
		2916	$self->send_packet ($pkt);
2715	}	2917	}
2716		2918
2717	=item $client->ext_msg ($type, @msg)	2919	=item $client->ext_msg ($type, @msg)
2718		2920
2719	Sends an ext event to the client.	2921	Sends an ext event to the client.
…		…
2892	=pod	3094	=pod
2893		3095
2894	The following functions and methods are available within a safe environment:	3096	The following functions and methods are available within a safe environment:
2895		3097
2896	cf::object	3098	cf::object
2897	contr pay_amount pay_player map x y force_find force_add	3099	contr pay_amount pay_player map x y force_find force_add destroy
2898	insert remove name archname title slaying race decrease_ob_nr	3100	insert remove name archname title slaying race decrease split
		3101	value
2899		3102
2900	cf::object::player	3103	cf::object::player
2901	player	3104	player
2902		3105
2903	cf::player	3106	cf::player
…		…
2908		3111
2909	=cut	3112	=cut
2910		3113
2911	for (	3114	for (
2912	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3115	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2913	insert remove inv name archname title slaying race	3116	insert remove inv nrof name archname title slaying race
2914	decrease_ob_nr)],	3117	decrease split destroy change_exp value msg lore send_msg)],
2915	["cf::object::player" => qw(player)],	3118	["cf::object::player" => qw(player)],
2916	["cf::player" => qw(peaceful)],	3119	["cf::player" => qw(peaceful send_msg)],
2917	["cf::map" => qw(trigger)],	3120	["cf::map" => qw(trigger)],
2918	) {	3121	) {
2919	no strict 'refs';	3122	no strict 'refs';
2920	my ($pkg, @funs) = @$_;	3123	my ($pkg, @funs) = @$_;
2921	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3124	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2938	my ($code, %vars) = @_;	3141	my ($code, %vars) = @_;
2939		3142
2940	my $qcode = $code;	3143	my $qcode = $code;
2941	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3144	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2942	$qcode =~ s/\n/\\n/g;	3145	$qcode =~ s/\n/\\n/g;
		3146
		3147	%vars = (_dummy => 0) unless %vars;
2943		3148
2944	local $_;	3149	local $_;
2945	local @safe::cf::_safe_eval_args = values %vars;	3150	local @safe::cf::_safe_eval_args = values %vars;
2946		3151
2947	my $eval =	3152	my $eval =
…		…
3024	{	3229	{
3025	my $faces = $facedata->{faceinfo};	3230	my $faces = $facedata->{faceinfo};
3026		3231
3027	while (my ($face, $info) = each %$faces) {	3232	while (my ($face, $info) = each %$faces) {
3028	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3233	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3234
3029	cf::face::set_visibility $idx, $info->{visibility};	3235	cf::face::set_visibility $idx, $info->{visibility};
3030	cf::face::set_magicmap $idx, $info->{magicmap};	3236	cf::face::set_magicmap $idx, $info->{magicmap};
3031	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3237	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
3032	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3238	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
3033		3239
3034	cf::cede_to_tick;	3240	cf::cede_to_tick;
3035	}	3241	}
3036		3242
3037	while (my ($face, $info) = each %$faces) {	3243	while (my ($face, $info) = each %$faces) {
3038	next unless $info->{smooth};	3244	next unless $info->{smooth};
		3245
3039	my $idx = cf::face::find $face	3246	my $idx = cf::face::find $face
3040	or next;	3247	or next;
		3248
3041	if (my $smooth = cf::face::find $info->{smooth}) {	3249	if (my $smooth = cf::face::find $info->{smooth}) {
3042	cf::face::set_smooth $idx, $smooth;	3250	cf::face::set_smooth $idx, $smooth;
3043	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3251	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3044	} else {	3252	} else {
3045	warn "smooth face '$info->{smooth}' not found for face '$face'";	3253	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
3063	{	3271	{
3064	# TODO: for gcfclient pleasure, we should give resources	3272	# TODO: for gcfclient pleasure, we should give resources
3065	# that gcfclient doesn't grok a >10000 face index.	3273	# that gcfclient doesn't grok a >10000 face index.
3066	my $res = $facedata->{resource};	3274	my $res = $facedata->{resource};
3067		3275
3068	my $soundconf = delete $res->{"res/sound.conf"};
3069
3070	while (my ($name, $info) = each %$res) {	3276	while (my ($name, $info) = each %$res) {
		3277	if (defined $info->{type}) {
3071	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3278	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3072	my $data;	3279	my $data;
3073		3280
3074	if ($info->{type} & 1) {	3281	if ($info->{type} & 1) {
3075	# prepend meta info	3282	# prepend meta info
3076		3283
3077	my $meta = $enc->encode ({	3284	my $meta = $enc->encode ({
3078	name => $name,	3285	name => $name,
3079	%{ $info->{meta} || {} },	3286	%{ $info->{meta} || {} },
3080	});	3287	});
3081		3288
3082	$data = pack "(w/a*)*", $meta, $info->{data};	3289	$data = pack "(w/a*)*", $meta, $info->{data};
		3290	} else {
		3291	$data = $info->{data};
		3292	}
		3293
		3294	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3295	cf::face::set_type $idx, $info->{type};
3083	} else {	3296	} else {
3084	$data = $info->{data};	3297	$RESOURCE{$name} = $info;
3085	}	3298	}
3086		3299
3087	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3088	cf::face::set_type $idx, $info->{type};
3089
3090	cf::cede_to_tick;	3300	cf::cede_to_tick;
3091	}	3301	}
3092
3093	if ($soundconf) {
3094	$soundconf = $enc->decode (delete $soundconf->{data});
3095
3096	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3097	my $sound = $soundconf->{compat}[$_]
3098	or next;
3099
3100	my $face = cf::face::find "sound/$sound->[1]";
3101	cf::sound::set $sound->[0] => $face;
3102	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3103	}
3104
3105	while (my ($k, $v) = each %{$soundconf->{event}}) {
3106	my $face = cf::face::find "sound/$v";
3107	cf::sound::set $k => $face;
3108	}
3109	}
3110	}	3302	}
		3303
		3304	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3111		3305
3112	1	3306	1
3113	}	3307	}
		3308
		3309	cf::global->attach (on_resource_update => sub {
		3310	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3311	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3312
		3313	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3314	my $sound = $soundconf->{compat}[$_]
		3315	or next;
		3316
		3317	my $face = cf::face::find "sound/$sound->[1]";
		3318	cf::sound::set $sound->[0] => $face;
		3319	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3320	}
		3321
		3322	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3323	my $face = cf::face::find "sound/$v";
		3324	cf::sound::set $k => $face;
		3325	}
		3326	}
		3327	});
3114		3328
3115	register_exticmd fx_want => sub {	3329	register_exticmd fx_want => sub {
3116	my ($ns, $want) = @_;	3330	my ($ns, $want) = @_;
3117		3331
3118	while (my ($k, $v) = each %$want) {	3332	while (my ($k, $v) = each %$want) {
3119	$ns->fx_want ($k, $v);	3333	$ns->fx_want ($k, $v);
3120	}	3334	}
3121	};	3335	};
		3336
		3337	sub load_resource_file($) {
		3338	my $guard = lock_acquire "load_resource_file";
		3339
		3340	my $status = load_resource_file_ $_[0];
		3341	get_slot 0.1, 100;
		3342	cf::arch::commit_load;
		3343
		3344	$status
		3345	}
3122		3346
3123	sub reload_regions {	3347	sub reload_regions {
3124	# HACK to clear player env face cache, we need some signal framework	3348	# HACK to clear player env face cache, we need some signal framework
3125	# for this (global event?)	3349	# for this (global event?)
3126	%ext::player_env::MUSIC_FACE_CACHE = ();	3350	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3140	}	3364	}
3141		3365
3142	sub reload_archetypes {	3366	sub reload_archetypes {
3143	load_resource_file "$DATADIR/archetypes"	3367	load_resource_file "$DATADIR/archetypes"
3144	or die "unable to load archetypes\n";	3368	or die "unable to load archetypes\n";
3145	#d# NEED to laod twice to resolve forward references
3146	# this really needs to be done in an extra post-pass
3147	# (which needs to be synchronous, so solve it differently)
3148	load_resource_file "$DATADIR/archetypes"
3149	or die "unable to load archetypes\n";
3150	}	3369	}
3151		3370
3152	sub reload_treasures {	3371	sub reload_treasures {
3153	load_resource_file "$DATADIR/treasures"	3372	load_resource_file "$DATADIR/treasures"
3154	or die "unable to load treasurelists\n";	3373	or die "unable to load treasurelists\n";
3155	}	3374	}
3156		3375
3157	sub reload_resources {	3376	sub reload_resources {
3158	warn "reloading resource files...\n";	3377	warn "reloading resource files...\n";
3159		3378
		3379	reload_facedata;
		3380	reload_archetypes;
3160	reload_regions;	3381	reload_regions;
3161	reload_facedata;
3162	#reload_archetypes;#d#
3163	reload_archetypes;
3164	reload_treasures;	3382	reload_treasures;
3165		3383
3166	warn "finished reloading resource files\n";	3384	warn "finished reloading resource files\n";
3167	}
3168
3169	sub init {
3170	reload_resources;
3171	}	3385	}
3172		3386
3173	sub reload_config {	3387	sub reload_config {
3174	open my $fh, "<:utf8", "$CONFDIR/config"	3388	open my $fh, "<:utf8", "$CONFDIR/config"
3175	or return;	3389	or return;
3176		3390
3177	local $/;	3391	local $/;
3178	*CFG = YAML::Syck::Load <$fh>;	3392	*CFG = YAML::XS::Load <$fh>;
3179		3393
3180	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3394	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3181		3395
3182	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3396	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3183	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3397	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3189	};	3403	};
3190	warn $@ if $@;	3404	warn $@ if $@;
3191	}	3405	}
3192	}	3406	}
3193		3407
		3408	sub pidfile() {
		3409	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3410	or die "$PIDFILE: $!";
		3411	flock $fh, &Fcntl::LOCK_EX
		3412	or die "$PIDFILE: flock: $!";
		3413	$fh
		3414	}
		3415
		3416	# make sure only one server instance is running at any one time
		3417	sub atomic {
		3418	my $fh = pidfile;
		3419
		3420	my $pid = <$fh>;
		3421	kill 9, $pid if $pid > 0;
		3422
		3423	seek $fh, 0, 0;
		3424	print $fh $$;
		3425	}
		3426
		3427	sub main_loop {
		3428	warn "EV::loop starting\n";
		3429	if (1) {
		3430	EV::loop;
		3431	}
		3432	warn "EV::loop returned\n";
		3433	goto &main_loop unless $REALLY_UNLOOP;
		3434	}
		3435
3194	sub main {	3436	sub main {
		3437	cf::init_globals; # initialise logging
		3438
		3439	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3440	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3441	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3442	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3443
		3444	cf::init_experience;
		3445	cf::init_anim;
		3446	cf::init_attackmess;
		3447	cf::init_dynamic;
		3448
		3449	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3450
3195	# we must not ever block the main coroutine	3451	# we must not ever block the main coroutine
3196	local $Coro::idle = sub {	3452	local $Coro::idle = sub {
3197	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3453	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3198	(async {	3454	(async {
3199	$Coro::current->{desc} = "IDLE BUG HANDLER";	3455	$Coro::current->{desc} = "IDLE BUG HANDLER";
3200	Event::one_event;	3456	EV::loop EV::LOOP_ONESHOT;
3201	})->prio (Coro::PRIO_MAX);	3457	})->prio (Coro::PRIO_MAX);
3202	};	3458	};
3203		3459
		3460	evthread_start IO::AIO::poll_fileno;
		3461
		3462	cf::sync_job {
		3463	reload_resources;
3204	reload_config;	3464	reload_config;
3205	db_init;	3465	db_init;
		3466
		3467	cf::load_settings;
		3468	cf::load_materials;
		3469	cf::init_uuid;
		3470	cf::init_signals;
		3471	cf::init_commands;
		3472	cf::init_skills;
		3473
		3474	cf::init_beforeplay;
		3475
		3476	atomic;
		3477
3206	load_extensions;	3478	load_extensions;
3207		3479
3208	$TICK_WATCHER->start;	3480	utime time, time, $RUNTIMEFILE;
3209	Event::loop;	3481
		3482	# no (long-running) fork's whatsoever before this point(!)
		3483	use POSIX ();
		3484	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3485
		3486	(pop @POST_INIT)->(0) while @POST_INIT;
		3487	};
		3488
		3489	main_loop;
3210	}	3490	}
3211		3491
3212	#############################################################################	3492	#############################################################################
3213	# initialisation and cleanup	3493	# initialisation and cleanup
3214		3494
3215	# install some emergency cleanup handlers	3495	# install some emergency cleanup handlers
3216	BEGIN {	3496	BEGIN {
		3497	our %SIGWATCHER = ();
3217	for my $signal (qw(INT HUP TERM)) {	3498	for my $signal (qw(INT HUP TERM)) {
3218	Event->signal (	3499	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3219	reentrant => 0,
3220	data => WF_AUTOCANCEL,
3221	signal => $signal,
3222	prio => 0,
3223	cb => sub {
3224	cf::cleanup "SIG$signal";	3500	cf::cleanup "SIG$signal";
3225	},
3226	);	3501	};
3227	}	3502	}
3228	}	3503	}
3229		3504
3230	sub write_runtime {	3505	sub write_runtime_sync {
3231	my $runtime = "$LOCALDIR/runtime";
3232
3233	# first touch the runtime file to show we are still running:	3506	# first touch the runtime file to show we are still running:
3234	# the fsync below can take a very very long time.	3507	# the fsync below can take a very very long time.
3235		3508
3236	IO::AIO::aio_utime $runtime, undef, undef;	3509	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3237		3510
3238	my $guard = cf::lock_acquire "write_runtime";	3511	my $guard = cf::lock_acquire "write_runtime";
3239		3512
3240	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3513	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3241	or return;	3514	or return;
3242		3515
3243	my $value = $cf::RUNTIME + 90 + 10;	3516	my $value = $cf::RUNTIME + 90 + 10;
3244	# 10 is the runtime save interval, for a monotonic clock	3517	# 10 is the runtime save interval, for a monotonic clock
3245	# 60 allows for the watchdog to kill the server.	3518	# 60 allows for the watchdog to kill the server.
…		…
3255	aio_utime $fh, undef, undef;	3528	aio_utime $fh, undef, undef;
3256		3529
3257	close $fh	3530	close $fh
3258	or return;	3531	or return;
3259		3532
3260	aio_rename "$runtime~", $runtime	3533	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3261	and return;	3534	and return;
3262		3535
3263	warn "runtime file written.\n";	3536	warn "runtime file written.\n";
3264		3537
3265	1	3538	1
		3539	}
		3540
		3541	our $uuid_lock;
		3542	our $uuid_skip;
		3543
		3544	sub write_uuid_sync($) {
		3545	$uuid_skip ||= $_[0];
		3546
		3547	return if $uuid_lock;
		3548	local $uuid_lock = 1;
		3549
		3550	my $uuid = "$LOCALDIR/uuid";
		3551
		3552	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3553	or return;
		3554
		3555	my $value = uuid_seq uuid_cur;
		3556
		3557	unless ($value) {
		3558	warn "cowardly refusing to write zero uuid value!\n";
		3559	return;
		3560	}
		3561
		3562	my $value = uuid_str $value + $uuid_skip;
		3563	$uuid_skip = 0;
		3564
		3565	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3566	and return;
		3567
		3568	# always fsync - this file is important
		3569	aio_fsync $fh
		3570	and return;
		3571
		3572	close $fh
		3573	or return;
		3574
		3575	aio_rename "$uuid~", $uuid
		3576	and return;
		3577
		3578	warn "uuid file written ($value).\n";
		3579
		3580	1
		3581
		3582	}
		3583
		3584	sub write_uuid($$) {
		3585	my ($skip, $sync) = @_;
		3586
		3587	$sync ? write_uuid_sync $skip
		3588	: async { write_uuid_sync $skip };
3266	}	3589	}
3267		3590
3268	sub emergency_save() {	3591	sub emergency_save() {
3269	my $freeze_guard = cf::freeze_mainloop;	3592	my $freeze_guard = cf::freeze_mainloop;
3270		3593
3271	warn "enter emergency perl save\n";	3594	warn "emergency_perl_save: enter\n";
3272		3595
3273	cf::sync_job {	3596	cf::sync_job {
		3597	# this is a trade-off: we want to be very quick here, so
		3598	# save all maps without fsync, and later call a global sync
		3599	# (which in turn might be very very slow)
		3600	local $USE_FSYNC = 0;
		3601
3274	# use a peculiar iteration method to avoid tripping on perl	3602	# use a peculiar iteration method to avoid tripping on perl
3275	# refcount bugs in for. also avoids problems with players	3603	# refcount bugs in for. also avoids problems with players
3276	# and maps saved/destroyed asynchronously.	3604	# and maps saved/destroyed asynchronously.
3277	warn "begin emergency player save\n";	3605	warn "emergency_perl_save: begin player save\n";
3278	for my $login (keys %cf::PLAYER) {	3606	for my $login (keys %cf::PLAYER) {
3279	my $pl = $cf::PLAYER{$login} or next;	3607	my $pl = $cf::PLAYER{$login} or next;
3280	$pl->valid or next;	3608	$pl->valid or next;
		3609	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3281	$pl->save;	3610	$pl->save;
3282	}	3611	}
3283	warn "end emergency player save\n";	3612	warn "emergency_perl_save: end player save\n";
3284		3613
3285	warn "begin emergency map save\n";	3614	warn "emergency_perl_save: begin map save\n";
3286	for my $path (keys %cf::MAP) {	3615	for my $path (keys %cf::MAP) {
3287	my $map = $cf::MAP{$path} or next;	3616	my $map = $cf::MAP{$path} or next;
3288	$map->valid or next;	3617	$map->valid or next;
3289	$map->save;	3618	$map->save;
3290	}	3619	}
3291	warn "end emergency map save\n";	3620	warn "emergency_perl_save: end map save\n";
3292		3621
3293	warn "begin emergency database checkpoint\n";	3622	warn "emergency_perl_save: begin database checkpoint\n";
3294	BDB::db_env_txn_checkpoint $DB_ENV;	3623	BDB::db_env_txn_checkpoint $DB_ENV;
3295	warn "end emergency database checkpoint\n";	3624	warn "emergency_perl_save: end database checkpoint\n";
		3625
		3626	warn "emergency_perl_save: begin write uuid\n";
		3627	write_uuid_sync 1;
		3628	warn "emergency_perl_save: end write uuid\n";
3296	};	3629	};
3297		3630
		3631	warn "emergency_perl_save: starting sync()\n";
		3632	IO::AIO::aio_sync sub {
		3633	warn "emergency_perl_save: finished sync()\n";
		3634	};
		3635
3298	warn "leave emergency perl save\n";	3636	warn "emergency_perl_save: leave\n";
3299	}	3637	}
3300		3638
3301	sub post_cleanup {	3639	sub post_cleanup {
3302	my ($make_core) = @_;	3640	my ($make_core) = @_;
3303		3641
3304	warn Carp::longmess "post_cleanup backtrace"	3642	warn Carp::longmess "post_cleanup backtrace"
3305	if $make_core;	3643	if $make_core;
		3644
		3645	my $fh = pidfile;
		3646	unlink $PIDFILE if <$fh> == $$;
		3647	}
		3648
		3649	# a safer delete_package, copied from Symbol
		3650	sub clear_package($) {
		3651	my $pkg = shift;
		3652
		3653	# expand to full symbol table name if needed
		3654	unless ($pkg =~ /^main::.*::$/) {
		3655	$pkg = "main$pkg" if $pkg =~ /^::/;
		3656	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3657	$pkg .= '::' unless $pkg =~ /::$/;
		3658	}
		3659
		3660	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3661	my $stem_symtab = *{$stem}{HASH};
		3662
		3663	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3664	or return;
		3665
		3666	# clear all symbols
		3667	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3668	for my $name (keys %$leaf_symtab) {
		3669	_gv_clear *{"$pkg$name"};
		3670	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3671	}
		3672	warn "cleared package $pkg\n";#d#
3306	}	3673	}
3307		3674
3308	sub do_reload_perl() {	3675	sub do_reload_perl() {
3309	# can/must only be called in main	3676	# can/must only be called in main
3310	if ($Coro::current != $Coro::main) {	3677	if ($Coro::current != $Coro::main) {
3311	warn "can only reload from main coroutine";	3678	warn "can only reload from main coroutine";
3312	return;	3679	return;
3313	}	3680	}
3314		3681
		3682	return if $RELOAD++;
		3683
		3684	my $t1 = EV::time;
		3685
		3686	while ($RELOAD) {
3315	warn "reloading...";	3687	warn "reloading...";
3316		3688
3317	warn "entering sync_job";	3689	warn "entering sync_job";
3318		3690
3319	cf::sync_job {	3691	cf::sync_job {
3320	cf::write_runtime; # external watchdog should not bark	3692	cf::write_runtime_sync; # external watchdog should not bark
3321	cf::emergency_save;	3693	cf::emergency_save;
3322	cf::write_runtime; # external watchdog should not bark	3694	cf::write_runtime_sync; # external watchdog should not bark
3323		3695
3324	warn "syncing database to disk";	3696	warn "syncing database to disk";
3325	BDB::db_env_txn_checkpoint $DB_ENV;	3697	BDB::db_env_txn_checkpoint $DB_ENV;
3326		3698
3327	# if anything goes wrong in here, we should simply crash as we already saved	3699	# if anything goes wrong in here, we should simply crash as we already saved
3328		3700
3329	warn "cancelling all WF_AUTOCANCEL watchers";
3330	for (Event::all_watchers) {
3331	$_->cancel if $_->data & WF_AUTOCANCEL;
3332	}
3333
3334	warn "flushing outstanding aio requests";	3701	warn "flushing outstanding aio requests";
3335	for (;;) {
3336	BDB::flush;
3337	IO::AIO::flush;
3338	Coro::cede;
3339	last unless IO::AIO::nreqs || BDB::nreqs;	3702	while (IO::AIO::nreqs || BDB::nreqs) {
3340	warn "iterate...";	3703	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3341	}
3342
3343	++$RELOAD;
3344
3345	warn "cancelling all extension coros";
3346	$_->cancel for values %EXT_CORO;
3347	%EXT_CORO = ();
3348
3349	warn "removing commands";
3350	%COMMAND = ();
3351
3352	warn "removing ext/exti commands";
3353	%EXTCMD = ();
3354	%EXTICMD = ();
3355
3356	warn "unloading/nuking all extensions";
3357	for my $pkg (@EXTS) {
3358	warn "... unloading $pkg";
3359
3360	if (my $cb = $pkg->can ("unload")) {
3361	eval {
3362	$cb->($pkg);
3363	1
3364	} or warn "$pkg unloaded, but with errors: $@";
3365	}	3704	}
3366		3705
3367	warn "... nuking $pkg";	3706	warn "cancelling all extension coros";
3368	Symbol::delete_package $pkg;	3707	$_->cancel for values %EXT_CORO;
3369	}	3708	%EXT_CORO = ();
3370		3709
3371	warn "unloading all perl modules loaded from $LIBDIR";	3710	warn "removing commands";
3372	while (my ($k, $v) = each %INC) {	3711	%COMMAND = ();
3373	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3374		3712
		3713	warn "removing ext/exti commands";
		3714	%EXTCMD = ();
		3715	%EXTICMD = ();
		3716
		3717	warn "unloading/nuking all extensions";
		3718	for my $pkg (@EXTS) {
3375	warn "... unloading $k";	3719	warn "... unloading $pkg";
3376	delete $INC{$k};
3377		3720
3378	$k =~ s/\.pm$//;
3379	$k =~ s/\//::/g;
3380
3381	if (my $cb = $k->can ("unload_module")) {	3721	if (my $cb = $pkg->can ("unload")) {
		3722	eval {
3382	$cb->();	3723	$cb->($pkg);
		3724	1
		3725	} or warn "$pkg unloaded, but with errors: $@";
		3726	}
		3727
		3728	warn "... clearing $pkg";
		3729	clear_package $pkg;
3383	}	3730	}
3384		3731
3385	Symbol::delete_package $k;	3732	warn "unloading all perl modules loaded from $LIBDIR";
		3733	while (my ($k, $v) = each %INC) {
		3734	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3735
		3736	warn "... unloading $k";
		3737	delete $INC{$k};
		3738
		3739	$k =~ s/\.pm$//;
		3740	$k =~ s/\//::/g;
		3741
		3742	if (my $cb = $k->can ("unload_module")) {
		3743	$cb->();
		3744	}
		3745
		3746	clear_package $k;
3386	}	3747	}
3387		3748
3388	warn "getting rid of safe::, as good as possible";	3749	warn "getting rid of safe::, as good as possible";
3389	Symbol::delete_package "safe::$_"	3750	clear_package "safe::$_"
3390	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3751	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3391		3752
3392	warn "unloading cf.pm \"a bit\"";	3753	warn "unloading cf.pm \"a bit\"";
3393	delete $INC{"cf.pm"};	3754	delete $INC{"cf.pm"};
3394	delete $INC{"cf/pod.pm"};	3755	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3395		3756
3396	# don't, removes xs symbols, too,	3757	# don't, removes xs symbols, too,
3397	# and global variables created in xs	3758	# and global variables created in xs
3398	#Symbol::delete_package __PACKAGE__;	3759	#clear_package __PACKAGE__;
3399		3760
3400	warn "unload completed, starting to reload now";	3761	warn "unload completed, starting to reload now";
3401		3762
3402	warn "reloading cf.pm";	3763	warn "reloading cf.pm";
3403	require cf;	3764	require cf;
3404	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3765	cf::_connect_to_perl_1;
3405		3766
3406	warn "loading config and database again";	3767	warn "loading config and database again";
3407	cf::reload_config;	3768	cf::reload_config;
3408		3769
3409	warn "loading extensions";	3770	warn "loading extensions";
3410	cf::load_extensions;	3771	cf::load_extensions;
3411		3772
		3773	if ($REATTACH_ON_RELOAD) {
3412	warn "reattaching attachments to objects/players";	3774	warn "reattaching attachments to objects/players";
3413	_global_reattach; # objects, sockets	3775	_global_reattach; # objects, sockets
3414	warn "reattaching attachments to maps";	3776	warn "reattaching attachments to maps";
3415	reattach $_ for values %MAP;	3777	reattach $_ for values %MAP;
3416	warn "reattaching attachments to players";	3778	warn "reattaching attachments to players";
3417	reattach $_ for values %PLAYER;	3779	reattach $_ for values %PLAYER;
		3780	}
3418		3781
		3782	warn "running post_init jobs";
		3783	(pop @POST_INIT)->(1) while @POST_INIT;
		3784
3419	warn "leaving sync_job";	3785	warn "leaving sync_job";
3420		3786
3421	1	3787	1
3422	} or do {	3788	} or do {
3423	warn $@;	3789	warn $@;
3424	warn "error while reloading, exiting.";	3790	cf::cleanup "error while reloading, exiting.";
3425	exit 1;
3426	};	3791	};
3427		3792
3428	warn "reloaded";	3793	warn "reloaded";
		3794	--$RELOAD;
		3795	}
		3796
		3797	$t1 = EV::time - $t1;
		3798	warn "reload completed in ${t1}s\n";
3429	};	3799	};
3430		3800
3431	our $RELOAD_WATCHER; # used only during reload	3801	our $RELOAD_WATCHER; # used only during reload
3432		3802
3433	sub reload_perl() {	3803	sub reload_perl() {
3434	# doing reload synchronously and two reloads happen back-to-back,	3804	# doing reload synchronously and two reloads happen back-to-back,
3435	# coro crashes during coro_state_free->destroy here.	3805	# coro crashes during coro_state_free->destroy here.
3436		3806
3437	$RELOAD_WATCHER ||= Event->timer (	3807	$RELOAD_WATCHER ||= cf::async {
3438	reentrant => 0,	3808	Coro::AIO::aio_wait cache_extensions;
3439	after => 0,	3809
3440	data => WF_AUTOCANCEL,	3810	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3441	cb => sub {
3442	do_reload_perl;	3811	do_reload_perl;
3443	undef $RELOAD_WATCHER;	3812	undef $RELOAD_WATCHER;
3444	},	3813	};
3445	);	3814	};
3446	}	3815	}
3447		3816
3448	register_command "reload" => sub {	3817	register_command "reload" => sub {
3449	my ($who, $arg) = @_;	3818	my ($who, $arg) = @_;
3450		3819
…		…
3463		3832
3464	our @WAIT_FOR_TICK;	3833	our @WAIT_FOR_TICK;
3465	our @WAIT_FOR_TICK_BEGIN;	3834	our @WAIT_FOR_TICK_BEGIN;
3466		3835
3467	sub wait_for_tick {	3836	sub wait_for_tick {
3468	return unless $TICK_WATCHER->is_active;
3469	return if $Coro::current == $Coro::main;	3837	return if tick_inhibit || $Coro::current == $Coro::main;
3470		3838
3471	my $signal = new Coro::Signal;	3839	my $signal = new Coro::Signal;
3472	push @WAIT_FOR_TICK, $signal;	3840	push @WAIT_FOR_TICK, $signal;
3473	$signal->wait;	3841	$signal->wait;
3474	}	3842	}
3475		3843
3476	sub wait_for_tick_begin {	3844	sub wait_for_tick_begin {
3477	return unless $TICK_WATCHER->is_active;
3478	return if $Coro::current == $Coro::main;	3845	return if tick_inhibit || $Coro::current == $Coro::main;
3479		3846
3480	my $signal = new Coro::Signal;	3847	my $signal = new Coro::Signal;
3481	push @WAIT_FOR_TICK_BEGIN, $signal;	3848	push @WAIT_FOR_TICK_BEGIN, $signal;
3482	$signal->wait;	3849	$signal->wait;
3483	}	3850	}
3484		3851
3485	$TICK_WATCHER = Event->timer (	3852	sub tick {
3486	reentrant => 0,
3487	parked => 1,
3488	prio => 0,
3489	at => $NEXT_TICK || $TICK,
3490	data => WF_AUTOCANCEL,
3491	cb => sub {
3492	if ($Coro::current != $Coro::main) {	3853	if ($Coro::current != $Coro::main) {
3493	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3854	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3494	unless ++$bug_warning > 10;	3855	unless ++$bug_warning > 10;
3495	return;	3856	return;
3496	}	3857	}
3497		3858
3498	$NOW = $tick_start = Event::time;
3499
3500	cf::server_tick; # one server iteration	3859	cf::server_tick; # one server iteration
3501		3860
3502	$RUNTIME += $TICK;
3503	$NEXT_TICK += $TICK;
3504
3505	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3861	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3506	$NEXT_RUNTIME_WRITE = $NOW + 10;	3862	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3507	Coro::async_pool {	3863	Coro::async_pool {
3508	$Coro::current->{desc} = "runtime saver";	3864	$Coro::current->{desc} = "runtime saver";
3509	write_runtime	3865	write_runtime_sync
3510	or warn "ERROR: unable to write runtime file: $!";	3866	or warn "ERROR: unable to write runtime file: $!";
3511	};
3512	}	3867	};
		3868	}
3513		3869
3514	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3870	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3515	$sig->send;	3871	$sig->send;
3516	}	3872	}
3517	while (my $sig = shift @WAIT_FOR_TICK) {	3873	while (my $sig = shift @WAIT_FOR_TICK) {
3518	$sig->send;	3874	$sig->send;
3519	}	3875	}
3520		3876
3521	$NOW = Event::time;	3877	$LOAD = ($NOW - $TICK_START) / $TICK;
3522
3523	# if we are delayed by four ticks or more, skip them all
3524	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3525
3526	$TICK_WATCHER->at ($NEXT_TICK);
3527	$TICK_WATCHER->start;
3528
3529	$LOAD = ($NOW - $tick_start) / $TICK;
3530	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3878	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3531		3879
3532	_post_tick;	3880	if (0) {
		3881	if ($NEXT_TICK) {
		3882	my $jitter = $TICK_START - $NEXT_TICK;
		3883	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3884	warn "jitter $JITTER\n";#d#
		3885	}
3533	},	3886	}
3534	);	3887	}
3535		3888
3536	{	3889	{
		3890	# configure BDB
		3891
3537	BDB::min_parallel 8;	3892	BDB::min_parallel 8;
3538	BDB::max_poll_time $TICK * 0.1;	3893	BDB::max_poll_reqs $TICK * 0.1;
3539	$BDB_POLL_WATCHER = Event->io (	3894	$AnyEvent::BDB::WATCHER->priority (1);
3540	reentrant => 0,
3541	fd => BDB::poll_fileno,
3542	poll => 'r',
3543	prio => 0,
3544	data => WF_AUTOCANCEL,
3545	cb => \&BDB::poll_cb,
3546	);
3547
3548	BDB::set_sync_prepare {
3549	my $status;
3550	my $current = $Coro::current;
3551	(
3552	sub {
3553	$status = $!;
3554	$current->ready; undef $current;
3555	},
3556	sub {
3557	Coro::schedule while defined $current;
3558	$! = $status;
3559	},
3560	)
3561	};
3562		3895
3563	unless ($DB_ENV) {	3896	unless ($DB_ENV) {
3564	$DB_ENV = BDB::db_env_create;	3897	$DB_ENV = BDB::db_env_create;
3565	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	3898	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3566	| BDB::LOG_AUTOREMOVE, 1);	3899	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3900	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3567	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	3901	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3568	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	3902	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3569		3903
3570	cf::sync_job {	3904	cf::sync_job {
3571	eval {	3905	eval {
…		…
3581		3915
3582	cf::cleanup "db_env_open(db): $@" if $@;	3916	cf::cleanup "db_env_open(db): $@" if $@;
3583	};	3917	};
3584	}	3918	}
3585		3919
3586	$BDB_DEADLOCK_WATCHER = Event->timer (	3920	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3587	after => 3,
3588	interval => 1,
3589	hard => 1,
3590	prio => 0,
3591	data => WF_AUTOCANCEL,
3592	cb => sub {
3593	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };	3921	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3594	},
3595	);	3922	};
3596	$BDB_CHECKPOINT_WATCHER = Event->timer (	3923	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3597	after => 11,
3598	interval => 60,
3599	hard => 1,
3600	prio => 0,
3601	data => WF_AUTOCANCEL,
3602	cb => sub {
3603	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	3924	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3604	},
3605	);	3925	};
3606	$BDB_TRICKLE_WATCHER = Event->timer (	3926	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3607	after => 5,
3608	interval => 10,
3609	hard => 1,
3610	prio => 0,
3611	data => WF_AUTOCANCEL,
3612	cb => sub {
3613	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	3927	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3614	},
3615	);	3928	};
3616	}	3929	}
3617		3930
3618	{	3931	{
		3932	# configure IO::AIO
		3933
3619	IO::AIO::min_parallel 8;	3934	IO::AIO::min_parallel 8;
3620
3621	undef $Coro::AIO::WATCHER;
3622	IO::AIO::max_poll_time $TICK * 0.1;	3935	IO::AIO::max_poll_time $TICK * 0.1;
3623	$AIO_POLL_WATCHER = Event->io (	3936	undef $AnyEvent::AIO::WATCHER;
3624	reentrant => 0,
3625	data => WF_AUTOCANCEL,
3626	fd => IO::AIO::poll_fileno,
3627	poll => 'r',
3628	prio => 0,
3629	cb => \&IO::AIO::poll_cb,
3630	);
3631	}	3937	}
3632		3938
3633	my $_log_backtrace;	3939	my $_log_backtrace;
3634		3940
3635	sub _log_backtrace {	3941	sub _log_backtrace {
…		…
3638	$msg =~ s/\n//;	3944	$msg =~ s/\n//;
3639		3945
3640	# limit the # of concurrent backtraces	3946	# limit the # of concurrent backtraces
3641	if ($_log_backtrace < 2) {	3947	if ($_log_backtrace < 2) {
3642	++$_log_backtrace;	3948	++$_log_backtrace;
		3949	my $perl_bt = Carp::longmess $msg;
3643	async {	3950	async {
3644	$Coro::current->{desc} = "abt $msg";	3951	$Coro::current->{desc} = "abt $msg";
3645		3952
3646	my @bt = fork_call {	3953	my @bt = fork_call {
3647	@addr = map { sprintf "%x", $_ } @addr;	3954	@addr = map { sprintf "%x", $_ } @addr;
…		…
3658	}	3965	}
3659		3966
3660	@funcs	3967	@funcs
3661	};	3968	};
3662		3969
3663	LOG llevInfo, "[ABT] $msg\n";	3970	LOG llevInfo, "[ABT] $perl_bt\n";
		3971	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3664	LOG llevInfo, "[ABT] $_\n" for @bt;	3972	LOG llevInfo, "[ABT] $_\n" for @bt;
3665	--$_log_backtrace;	3973	--$_log_backtrace;
3666	};	3974	};
3667	} else {	3975	} else {
3668	LOG llevInfo, "[ABT] $msg\n";	3976	LOG llevInfo, "[ABT] $msg\n";
3669	LOG llevInfo, "[ABT] [suppressed]\n";	3977	LOG llevInfo, "[ABT] [suppressed]\n";
3670	}	3978	}
3671	}	3979	}
3672		3980
3673	# load additional modules	3981	# load additional modules
3674	use cf::pod;	3982	require "cf/$_.pm" for @EXTRA_MODULES;
		3983	cf::_connect_to_perl_2;
3675		3984
3676	END { cf::emergency_save }	3985	END { cf::emergency_save }
3677		3986
3678	1	3987	1
3679		3988

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