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Revision 1.300 by root, Tue Jul 10 06:44:29 2007 UTC vs.
Revision 1.509 by root, Mon Apr 5 03:22:25 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 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 ();
		37	use Carp ();
14		38
		39	use Guard ();
15	use Coro 3.61 ();	40	use Coro ();
16	use Coro::State;	41	use Coro::State;
17	use Coro::Handle;	42	use Coro::Handle;
		43	use Coro::EV;
18	use Coro::Event;	44	use Coro::AnyEvent;
19	use Coro::Timer;	45	use Coro::Timer;
20	use Coro::Signal;	46	use Coro::Signal;
21	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
22	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
23	use Coro::Storable;	52	use Coro::Storable;
		53	use Coro::Util ();
24		54
25	use JSON::XS 1.4 ();	55	use JSON::XS 2.01 ();
26	use BDB ();	56	use BDB ();
27	use Data::Dumper;	57	use Data::Dumper;
28	use Digest::MD5;
29	use Fcntl;	58	use Fcntl;
30	use YAML::Syck ();	59	use YAML::XS ();
31	use IO::AIO 2.32 ();	60	use IO::AIO ();
32	use Time::HiRes;	61	use Time::HiRes;
33	use Compress::LZF;	62	use Compress::LZF;
		63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
34		66
35	# configure various modules to our taste	67	# configure various modules to our taste
36	#	68	#
37	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
38	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";
39	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
40		77
41	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
42		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
44	$YAML::Syck::ImplicitUnicode = 1;
45
46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
47		80
48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
49		82
50	our %COMMAND = ();	83	our %COMMAND = ();
51	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
…		…
54	our %EXTCMD = ();	87	our %EXTCMD = ();
55	our %EXTICMD = ();	88	our %EXTICMD = ();
56	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
57	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
58		91
59	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
60	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
61		96
62	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
63	our $DATADIR = datadir;	98	our $DATADIR = datadir;
64	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
65	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
66	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
67	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
68	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
71	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
72	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE;
73		112
74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	113	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
75	our $TICK_WATCHER;
76	our $AIO_POLL_WATCHER;
77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	114	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
78	our $NEXT_TICK;	115	our $NEXT_TICK;
79	our $NOW;
80	our $USE_FSYNC = 1; # use fsync to write maps - default off	116	our $USE_FSYNC = 1; # use fsync to write maps - default on
81		117
		118	our $BDB_DEADLOCK_WATCHER;
		119	our $BDB_CHECKPOINT_WATCHER;
82	our $BDB_POLL_WATCHER;	120	our $BDB_TRICKLE_WATCHER;
83	our $DB_ENV;	121	our $DB_ENV;
		122
		123	our @EXTRA_MODULES = qw(pod match mapscript);
84		124
85	our %CFG;	125	our %CFG;
86		126
87	our $UPTIME; $UPTIME ||= time;	127	our $UPTIME; $UPTIME ||= time;
88	our $RUNTIME;	128	our $RUNTIME;
		129	our $NOW;
89		130
90	our %PLAYER; # all users	131	our (%PLAYER, %PLAYER_LOADING); # all users
91	our %MAP; # all maps	132	our (%MAP, %MAP_LOADING ); # all maps
92	our $LINK_MAP; # the special {link} map, which is always available	133	our $LINK_MAP; # the special {link} map, which is always available
93		134
94	# 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 ∕
95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	136	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
96		137
97	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)
98	our $LOADAVG; # same thing, but with alpha-smoothing	139	our $LOADAVG; # same thing, but with alpha-smoothing
		140	our $JITTER; # average jitter
99	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 $REALLY_UNLOOP; # never set to true, please :)
100		147
101	binmode STDOUT;	148	binmode STDOUT;
102	binmode STDERR;	149	binmode STDERR;
103		150
104	# read virtual server time, if available	151	# read virtual server time, if available
105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	152	unless ($RUNTIME || !-e $RUNTIMEFILE) {
106	open my $fh, "<", "$LOCALDIR/runtime"	153	open my $fh, "<", $RUNTIMEFILE
107	or die "unable to read runtime file: $!";	154	or die "unable to read $RUNTIMEFILE file: $!";
108	$RUNTIME = <$fh> + 0.;	155	$RUNTIME = <$fh> + 0.;
109	}	156	}
		157
		158	eval "sub TICK() { $TICK } 1" or die;
110		159
111	mkdir $_	160	mkdir $_
112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	161	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
113		162
114	our $EMERGENCY_POSITION;	163	our $EMERGENCY_POSITION;
115		164
116	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::"} };
117		177
118	#############################################################################	178	#############################################################################
119		179
120	=head2 GLOBAL VARIABLES	180	=head2 GLOBAL VARIABLES
121		181
…		…
157		217
158	The raw value load value from the last tick.	218	The raw value load value from the last tick.
159		219
160	=item %cf::CFG	220	=item %cf::CFG
161		221
162	Configuration for the server, loaded from C</etc/crossfire/config>, or	222	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
163	from wherever your confdir points to.	223	from wherever your confdir points to.
164		224
165	=item cf::wait_for_tick, cf::wait_for_tick_begin	225	=item cf::wait_for_tick, cf::wait_for_tick_begin
166		226
167	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
168	returns directly I<after> the tick processing (and consequently, can only wake one process	228	returns directly I<after> the tick processing (and consequently, can only wake one process
169	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	229	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
170		230
		231	=item @cf::INVOKE_RESULTS
		232
		233	This array contains the results of the last C<invoke ()> call. When
		234	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		235	that call.
		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
171	=back	243	=back
172		244
173	=cut	245	=cut
174		246
175	BEGIN {	247	$Coro::State::WARNHOOK = sub {
176	*CORE::GLOBAL::warn = sub {
177	my $msg = join "", @_;	248	my $msg = join "", @_;
178		249
179	$msg .= "\n"	250	$msg .= "\n"
180	unless $msg =~ /\n$/;	251	unless $msg =~ /\n$/;
181		252
182	$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;
183		254
184	utf8::encode $msg;
185	LOG llevError, $msg;	255	LOG llevError, $msg;
186	};	256	};
187	}	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	};
188		271
189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	272	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	273	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	274	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	275	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
199	for my $pkg (qw(	282	for my $pkg (qw(
200	cf::global cf::attachable	283	cf::global cf::attachable
201	cf::object cf::object::player	284	cf::object cf::object::player
202	cf::client cf::player	285	cf::client cf::player
203	cf::arch cf::living	286	cf::arch cf::living
		287	cf::map cf::mapspace
204	cf::map cf::party cf::region	288	cf::party cf::region
205	)) {	289	)) {
206	no strict 'refs';
207	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	290	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
208	}	291	}
209		292
210	$Event::DIED = sub {	293	$EV::DIED = sub {
211	warn "error in event callback: @_";	294	Carp::cluck "error in event callback: @_";
212	};	295	};
213		296
214	#############################################################################	297	#############################################################################
215		298
216	=head2 UTILITY FUNCTIONS	299	=head2 UTILITY FUNCTIONS
…		…
238	$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;
239	$d	322	$d
240	} || "[unable to dump $_[0]: '$@']";	323	} || "[unable to dump $_[0]: '$@']";
241	}	324	}
242		325
243	=item $ref = cf::from_json $json	326	=item $ref = cf::decode_json $json
244		327
245	Converts a JSON string into the corresponding perl data structure.	328	Converts a JSON string into the corresponding perl data structure.
246		329
247	=item $json = cf::to_json $ref	330	=item $json = cf::encode_json $ref
248		331
249	Converts a perl data structure into its JSON representation.	332	Converts a perl data structure into its JSON representation.
250		333
251	=cut	334	=cut
252		335
253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	336	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
254		337
255	sub to_json ($) { $json_coder->encode ($_[0]) }	338	sub encode_json($) { $json_coder->encode ($_[0]) }
256	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	}
257		354
258	=item cf::lock_wait $string	355	=item cf::lock_wait $string
259		356
260	Wait until the given lock is available. See cf::lock_acquire.	357	Wait until the given lock is available. See cf::lock_acquire.
261		358
262	=item my $lock = cf::lock_acquire $string	359	=item my $lock = cf::lock_acquire $string
263		360
264	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
265	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,
266	for example when the coroutine gets canceled), the lock is automatically	363	for example when the coroutine gets canceled), the lock is automatically
267	returned.	364	returned.
268		365
		366	Locks are *not* recursive, locking from the same coro twice results in a
		367	deadlocked coro.
		368
269	Lock names should begin with a unique identifier (for example, cf::map::find	369	Lock names should begin with a unique identifier (for example, cf::map::find
270	uses map_find and cf::map::load uses map_load).	370	uses map_find and cf::map::load uses map_load).
271		371
272	=item $locked = cf::lock_active $string	372	=item $locked = cf::lock_active $string
273		373
274	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.
275		375
276	=cut	376	=cut
277		377
278	our %LOCK;	378	our $LOCKS = new Coro::SemaphoreSet;
279		379
280	sub lock_wait($) {	380	sub lock_wait($) {
281	my ($key) = @_;	381	$LOCKS->wait ($_[0]);
282
283	# wait for lock, if any
284	while ($LOCK{$key}) {
285	push @{ $LOCK{$key} }, $Coro::current;
286	Coro::schedule;
287	}
288	}	382	}
289		383
290	sub lock_acquire($) {	384	sub lock_acquire($) {
291	my ($key) = @_;	385	$LOCKS->guard ($_[0])
292
293	# wait, to be sure we are not locked
294	lock_wait $key;
295
296	$LOCK{$key} = [];
297
298	Coro::guard {
299	# wake up all waiters, to be on the safe side
300	$_->ready for @{ delete $LOCK{$key} };
301	}
302	}	386	}
303		387
304	sub lock_active($) {	388	sub lock_active($) {
305	my ($key) = @_;	389	$LOCKS->count ($_[0]) < 1
306
307	! ! $LOCK{$key}
308	}	390	}
309		391
310	sub freeze_mainloop {	392	sub freeze_mainloop {
311	return unless $TICK_WATCHER->is_active;	393	tick_inhibit_inc;
312		394
313	my $guard = Coro::guard {	395	&Guard::guard (\&tick_inhibit_dec);
314	$TICK_WATCHER->start;	396	}
		397
		398	=item cf::periodic $interval, $cb
		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($$) {
		406	my ($interval, $cb) = @_;
		407
		408	my $start = rand List::Util::min 180, $interval;
		409
		410	EV::periodic $start, $interval, 0, $cb
		411	}
		412
		413	=item cf::get_slot $time[, $priority[, $name]]
		414
		415	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		416	This call blocks and returns only when you have at least C<$time> seconds
		417	of cpu time till the next tick. The slot is only valid till the next cede.
		418
		419	The optional C<$name> can be used to identify the job to run. It might be
		420	used for statistical purposes and should identify the same time-class.
		421
		422	Useful for short background jobs.
		423
		424	=cut
		425
		426	our @SLOT_QUEUE;
		427	our $SLOT_QUEUE;
		428	our $SLOT_DECAY = 0.9;
		429
		430	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		431	$SLOT_QUEUE = Coro::async {
		432	$Coro::current->desc ("timeslot manager");
		433
		434	my $signal = new Coro::Signal;
		435	my $busy;
		436
		437	while () {
		438	next_job:
		439
		440	my $avail = cf::till_tick;
		441
		442	for (0 .. $#SLOT_QUEUE) {
		443	if ($SLOT_QUEUE[$_][0] <= $avail) {
		444	$busy = 0;
		445	my $job = splice @SLOT_QUEUE, $_, 1, ();
		446	$job->[2]->send;
		447	Coro::cede;
		448	goto next_job;
		449	} else {
		450	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		451	}
		452	}
		453
		454	if (@SLOT_QUEUE) {
		455	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		456	push @cf::WAIT_FOR_TICK, $signal;
		457	$signal->wait;
		458	} else {
		459	$busy = 0;
		460	Coro::schedule;
		461	}
315	};	462	}
316	$TICK_WATCHER->stop;	463	};
317	$guard	464
		465	sub get_slot($;$$) {
		466	return if tick_inhibit || $Coro::current == $Coro::main;
		467
		468	my ($time, $pri, $name) = @_;
		469
		470	$time = clamp $time, 0.01, $TICK * .6;
		471
		472	my $sig = new Coro::Signal;
		473
		474	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		475	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		476	$SLOT_QUEUE->ready;
		477	$sig->wait;
318	}	478	}
319		479
320	=item cf::async { BLOCK }	480	=item cf::async { BLOCK }
321		481
322	Currently the same as Coro::async_pool, meaning you cannot use	482	Currently the same as Coro::async_pool, meaning you cannot use
…		…
327		487
328	BEGIN { *async = \&Coro::async_pool }	488	BEGIN { *async = \&Coro::async_pool }
329		489
330	=item cf::sync_job { BLOCK }	490	=item cf::sync_job { BLOCK }
331		491
332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	492	The design of Deliantra requires that the main coroutine ($Coro::main)
333	is always able to handle events or runnable, as Crossfire TRT is only	493	is always able to handle events or runnable, as Deliantra is only
334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	494	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
335	acceptable.	495	acceptable.
336		496
337	If it must be done, put the blocking parts into C<sync_job>. This will run	497	If it must be done, put the blocking parts into C<sync_job>. This will run
338	the given BLOCK in another coroutine while waiting for the result. The	498	the given BLOCK in another coroutine while waiting for the result. The
…		…
343		503
344	sub sync_job(&) {	504	sub sync_job(&) {
345	my ($job) = @_;	505	my ($job) = @_;
346		506
347	if ($Coro::current == $Coro::main) {	507	if ($Coro::current == $Coro::main) {
348	my $time = Event::time;	508	my $time = EV::time;
349		509
350	# this is the main coro, too bad, we have to block	510	# this is the main coro, too bad, we have to block
351	# till the operation succeeds, freezing the server :/	511	# till the operation succeeds, freezing the server :/
352		512
353	# TODO: use suspend/resume instead	513	LOG llevError, Carp::longmess "sync job";#d#
354	# (but this is cancel-safe)	514
355	my $freeze_guard = freeze_mainloop;	515	my $freeze_guard = freeze_mainloop;
356		516
357	my $busy = 1;	517	my $busy = 1;
358	my @res;	518	my @res;
359		519
360	(async {	520	(async {
		521	$Coro::current->desc ("sync job coro");
361	@res = eval { $job->() };	522	@res = eval { $job->() };
362	warn $@ if $@;	523	warn $@ if $@;
363	undef $busy;	524	undef $busy;
364	})->prio (Coro::PRIO_MAX);	525	})->prio (Coro::PRIO_MAX);
365		526
366	while ($busy) {	527	while ($busy) {
367	Coro::cede or Event::one_event;	528	if (Coro::nready) {
		529	Coro::cede_notself;
		530	} else {
		531	EV::loop EV::LOOP_ONESHOT;
368	}	532	}
		533	}
369		534
370	$time = Event::time - $time;	535	my $time = EV::time - $time;
371		536
372	LOG llevError | logBacktrace, Carp::longmess "long sync job"
373	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
374
375	$tick_start += $time; # do not account sync jobs to server load	537	$TICK_START += $time; # do not account sync jobs to server load
376		538
377	wantarray ? @res : $res[0]	539	wantarray ? @res : $res[0]
378	} else {	540	} else {
379	# we are in another coroutine, how wonderful, everything just works	541	# we are in another coroutine, how wonderful, everything just works
380		542
…		…
405	=item fork_call { }, $args	567	=item fork_call { }, $args
406		568
407	Executes the given code block with the given arguments in a seperate	569	Executes the given code block with the given arguments in a seperate
408	process, returning the results. Everything must be serialisable with	570	process, returning the results. Everything must be serialisable with
409	Coro::Storable. May, of course, block. Note that the executed sub may	571	Coro::Storable. May, of course, block. Note that the executed sub may
410	never block itself or use any form of Event handling.	572	never block itself or use any form of event handling.
411		573
412	=cut	574	=cut
413
414	sub _store_scalar {
415	open my $fh, ">", \my $buf
416	or die "fork_call: cannot open fh-to-buf in child : $!";
417	Storable::store_fd $_[0], $fh;
418	close $fh;
419
420	$buf
421	}
422		575
423	sub fork_call(&@) {	576	sub fork_call(&@) {
424	my ($cb, @args) = @_;	577	my ($cb, @args) = @_;
425		578
426	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	579	# we seemingly have to make a local copy of the whole thing,
427	# or die "socketpair: $!";	580	# otherwise perl prematurely frees the stuff :/
428	pipe my $fh1, my $fh2	581	# TODO: investigate and fix (likely this will be rather laborious)
429	or die "pipe: $!";
430		582
431	if (my $pid = fork) {	583	my @res = Coro::Util::fork_eval {
432	close $fh2;
433
434	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
435	warn "pst<$res>" unless $res =~ /^pst/;
436	$res = Coro::Storable::thaw $res;
437
438	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
439
440	Carp::confess $$res unless "ARRAY" eq ref $res;
441
442	return wantarray ? @$res : $res->[-1];
443	} else {
444	reset_signals;	584	reset_signals;
445	local $SIG{__WARN__};	585	&$cb
446	local $SIG{__DIE__};	586	}, @args;
447	# just in case, this hack effectively disables event
448	# in the child. cleaner and slower would be canceling all watchers,
449	# but this works for the time being.
450	local $Coro::idle;
451	$Coro::current->prio (Coro::PRIO_MAX);
452		587
453	eval {	588	wantarray ? @res : $res[-1]
454	close $fh1;	589	}
455		590
456	my @res = eval { $cb->(@args) };	591	=item $coin = coin_from_name $name
457		592
458	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;	593	=cut
459	close $fh2;
460	};
461		594
462	warn $@ if $@;	595	our %coin_alias = (
463	_exit 0;	596	"silver" => "silvercoin",
464	}	597	"silvercoin" => "silvercoin",
		598	"silvercoins" => "silvercoin",
		599	"gold" => "goldcoin",
		600	"goldcoin" => "goldcoin",
		601	"goldcoins" => "goldcoin",
		602	"platinum" => "platinacoin",
		603	"platinumcoin" => "platinacoin",
		604	"platinumcoins" => "platinacoin",
		605	"platina" => "platinacoin",
		606	"platinacoin" => "platinacoin",
		607	"platinacoins" => "platinacoin",
		608	"royalty" => "royalty",
		609	"royalties" => "royalty",
		610	);
		611
		612	sub coin_from_name($) {
		613	$coin_alias{$_[0]}
		614	? cf::arch::find $coin_alias{$_[0]}
		615	: undef
465	}	616	}
466		617
467	=item $value = cf::db_get $family => $key	618	=item $value = cf::db_get $family => $key
468		619
469	Returns a single value from the environment database.	620	Returns a single value from the environment database.
…		…
471	=item cf::db_put $family => $key => $value	622	=item cf::db_put $family => $key => $value
472		623
473	Stores the given C<$value> in the family. It can currently store binary	624	Stores the given C<$value> in the family. It can currently store binary
474	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	625	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
475		626
		627	=item $db = cf::db_table "name"
		628
		629	Create and/or open a new database table. The string must not be "db" and must be unique
		630	within each server.
		631
476	=cut	632	=cut
		633
		634	sub db_table($) {
		635	my ($name) = @_;
		636	my $db = BDB::db_create $DB_ENV;
		637
		638	eval {
		639	$db->set_flags (BDB::CHKSUM);
		640
		641	utf8::encode $name;
		642	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		643	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		644	cf::cleanup "db_open(db): $!" if $!;
		645	};
		646	cf::cleanup "db_open(db): $@" if $@;
		647
		648	$db
		649	}
477		650
478	our $DB;	651	our $DB;
479		652
480	sub db_init {	653	sub db_init {
481	unless ($DB) {
482	$DB = BDB::db_create $DB_ENV;
483
484	cf::sync_job {	654	cf::sync_job {
485	eval {	655	$DB ||= db_table "db";
486	$DB->set_flags (BDB::CHKSUM);
487
488	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
489	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
490	cf::cleanup "db_open(db): $!" if $!;
491	};
492	cf::cleanup "db_open(db): $@" if $@;
493	};
494	}	656	};
495	}	657	}
496		658
497	sub db_get($$) {	659	sub db_get($$) {
498	my $key = "$_[0]/$_[1]";	660	my $key = "$_[0]/$_[1]";
499		661
…		…
549	if (1) {	711	if (1) {
550	$md5 =	712	$md5 =
551	join "\x00",	713	join "\x00",
552	$processversion,	714	$processversion,
553	map {	715	map {
554	Coro::cede;	716	cf::cede_to_tick;
555	($src->[$_], Digest::MD5::md5_hex $data[$_])	717	($src->[$_], Digest::MD5::md5_hex $data[$_])
556	} 0.. $#$src;	718	} 0.. $#$src;
557		719
558		720
559	my $dbmd5 = db_get cache => "$id/md5";	721	my $dbmd5 = db_get cache => "$id/md5";
…		…
597		759
598	#############################################################################	760	#############################################################################
599		761
600	=head2 ATTACHABLE OBJECTS	762	=head2 ATTACHABLE OBJECTS
601		763
602	Many objects in crossfire are so-called attachable objects. That means you can	764	Many objects in deliantra are so-called attachable objects. That means you can
603	attach callbacks/event handlers (a collection of which is called an "attachment")	765	attach callbacks/event handlers (a collection of which is called an "attachment")
604	to it. All such attachable objects support the following methods.	766	to it. All such attachable objects support the following methods.
605		767
606	In the following description, CLASS can be any of C<global>, C<object>	768	In the following description, CLASS can be any of C<global>, C<object>
607	C<player>, C<client> or C<map> (i.e. the attachable objects in	769	C<player>, C<client> or C<map> (i.e. the attachable objects in
608	Crossfire TRT).	770	Deliantra).
609		771
610	=over 4	772	=over 4
611		773
612	=item $attachable->attach ($attachment, key => $value...)	774	=item $attachable->attach ($attachment, key => $value...)
613		775
…		…
657	=item cf::CLASS::attachment $name, ...	819	=item cf::CLASS::attachment $name, ...
658		820
659	Register an attachment by C<$name> through which attachable objects of the	821	Register an attachment by C<$name> through which attachable objects of the
660	given CLASS can refer to this attachment.	822	given CLASS can refer to this attachment.
661		823
662	Some classes such as crossfire maps and objects can specify attachments	824	Some classes such as deliantra maps and objects can specify attachments
663	that are attached at load/instantiate time, thus the need for a name.	825	that are attached at load/instantiate time, thus the need for a name.
664		826
665	These calls expect any number of the following handler/hook descriptions:	827	These calls expect any number of the following handler/hook descriptions:
666		828
667	=over 4	829	=over 4
…		…
865	";	1027	";
866	die if $@;	1028	die if $@;
867	}	1029	}
868		1030
869	our $override;	1031	our $override;
870	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1032	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
871		1033
872	sub override {	1034	sub override {
873	$override = 1;	1035	$override = 1;
874	@invoke_results = ();	1036	@INVOKE_RESULTS = (@_);
875	}	1037	}
876		1038
877	sub do_invoke {	1039	sub do_invoke {
878	my $event = shift;	1040	my $event = shift;
879	my $callbacks = shift;	1041	my $callbacks = shift;
880		1042
881	@invoke_results = ();	1043	@INVOKE_RESULTS = ();
882		1044
883	local $override;	1045	local $override;
884		1046
885	for (@$callbacks) {	1047	for (@$callbacks) {
886	eval { &{$_->[1]} };	1048	eval { &{$_->[1]} };
…		…
895	}	1057	}
896		1058
897	0	1059	0
898	}	1060	}
899		1061
900	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1062	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
901		1063
902	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1064	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
903		1065
904	Generate an object-specific event with the given arguments.	1066	Generate an object-specific event with the given arguments.
905		1067
906	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1068	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
907	removed in future versions), and there is no public API to access override	1069	removed in future versions), and there is no public API to access override
908	results (if you must, access C<@cf::invoke_results> directly).	1070	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
909		1071
910	=back	1072	=back
911		1073
912	=cut	1074	=cut
913		1075
914	#############################################################################	1076	#############################################################################
915	# object support	1077	# object support
		1078
		1079	sub _object_equal($$);
		1080	sub _object_equal($$) {
		1081	my ($a, $b) = @_;
		1082
		1083	return 0 unless (ref $a) eq (ref $b);
		1084
		1085	if ("HASH" eq ref $a) {
		1086	my @ka = keys %$a;
		1087	my @kb = keys %$b;
		1088
		1089	return 0 if @ka != @kb;
		1090
		1091	for (0 .. $#ka) {
		1092	return 0 unless $ka[$_] eq $kb[$_];
		1093	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1094	}
		1095
		1096	} elsif ("ARRAY" eq ref $a) {
		1097
		1098	return 0 if @$a != @$b;
		1099
		1100	for (0 .. $#$a) {
		1101	return 0 unless _object_equal $a->[$_], $b->[$_];
		1102	}
		1103
		1104	} elsif ($a ne $b) {
		1105	return 0;
		1106	}
		1107
		1108	1
		1109	}
		1110
		1111	our $SLOW_MERGES;#d#
		1112	sub _can_merge {
		1113	my ($ob1, $ob2) = @_;
		1114
		1115	++$SLOW_MERGES;#d#
		1116
		1117	# we do the slow way here
		1118	return _object_equal $ob1, $ob2
		1119	}
916		1120
917	sub reattach {	1121	sub reattach {
918	# basically do the same as instantiate, without calling instantiate	1122	# basically do the same as instantiate, without calling instantiate
919	my ($obj) = @_;	1123	my ($obj) = @_;
920		1124
		1125	# no longer needed after getting rid of delete_package?
921	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1126	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
922		1127
923	my $registry = $obj->registry;	1128	my $registry = $obj->registry;
924		1129
925	@$registry = ();	1130	@$registry = ();
926		1131
…		…
941	cf::attachable->attach (	1146	cf::attachable->attach (
942	prio => -1000000,	1147	prio => -1000000,
943	on_instantiate => sub {	1148	on_instantiate => sub {
944	my ($obj, $data) = @_;	1149	my ($obj, $data) = @_;
945		1150
946	$data = from_json $data;	1151	$data = decode_json $data;
947		1152
948	for (@$data) {	1153	for (@$data) {
949	my ($name, $args) = @$_;	1154	my ($name, $args) = @$_;
950		1155
951	$obj->attach ($name, %{$args || {} });	1156	$obj->attach ($name, %{$args || {} });
…		…
967	sub object_freezer_save {	1172	sub object_freezer_save {
968	my ($filename, $rdata, $objs) = @_;	1173	my ($filename, $rdata, $objs) = @_;
969		1174
970	sync_job {	1175	sync_job {
971	if (length $$rdata) {	1176	if (length $$rdata) {
		1177	utf8::decode (my $decname = $filename);
972	warn sprintf "saving %s (%d,%d)\n",	1178	warn sprintf "saving %s (%d,%d)\n",
973	$filename, length $$rdata, scalar @$objs;	1179	$decname, length $$rdata, scalar @$objs;
974		1180
975	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1181	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
976	chmod SAVE_MODE, $fh;	1182	aio_chmod $fh, SAVE_MODE;
977	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1183	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
978	aio_fsync $fh if $cf::USE_FSYNC;	1184	if ($cf::USE_FSYNC) {
		1185	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;
		1186	aio_fsync $fh;
		1187	}
979	close $fh;	1188	aio_close $fh;
980		1189
981	if (@$objs) {	1190	if (@$objs) {
982	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1191	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
983	chmod SAVE_MODE, $fh;	1192	aio_chmod $fh, SAVE_MODE;
984	my $data = Storable::nfreeze { version => 1, objs => $objs };	1193	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
985	aio_write $fh, 0, (length $data), $data, 0;	1194	aio_write $fh, 0, (length $data), $data, 0;
986	aio_fsync $fh if $cf::USE_FSYNC;	1195	if ($cf::USE_FSYNC) {
		1196	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;
		1197	aio_fsync $fh;
		1198	}
987	close $fh;	1199	aio_close $fh;
988	aio_rename "$filename.pst~", "$filename.pst";	1200	aio_rename "$filename.pst~", "$filename.pst";
989	}	1201	}
990	} else {	1202	} else {
991	aio_unlink "$filename.pst";	1203	aio_unlink "$filename.pst";
992	}	1204	}
993		1205
994	aio_rename "$filename~", $filename;	1206	aio_rename "$filename~", $filename;
		1207
		1208	$filename =~ s%/[^/]+$%%;
		1209	aio_pathsync $filename if $cf::USE_FSYNC;
995	} else {	1210	} else {
996	warn "FATAL: $filename~: $!\n";	1211	warn "unable to save objects: $filename~: $!\n";
997	}	1212	}
998	} else {	1213	} else {
999	aio_unlink $filename;	1214	aio_unlink $filename;
1000	aio_unlink "$filename.pst";	1215	aio_unlink "$filename.pst";
1001	}	1216	}
1002	}	1217	};
1003	}	1218	}
1004		1219
1005	sub object_freezer_as_string {	1220	sub object_freezer_as_string {
1006	my ($rdata, $objs) = @_;	1221	my ($rdata, $objs) = @_;
1007		1222
…		…
1019	or return;	1234	or return;
1020		1235
1021	unless (aio_stat "$filename.pst") {	1236	unless (aio_stat "$filename.pst") {
1022	(aio_load "$filename.pst", $av) >= 0	1237	(aio_load "$filename.pst", $av) >= 0
1023	or return;	1238	or return;
		1239
1024	$av = eval { (Storable::thaw $av)->{objs} };	1240	my $st = eval { Coro::Storable::thaw $av };
		1241	$av = $st->{objs};
1025	}	1242	}
1026		1243
		1244	utf8::decode (my $decname = $filename);
1027	warn sprintf "loading %s (%d)\n",	1245	warn sprintf "loading %s (%d,%d)\n",
1028	$filename, length $data, scalar @{$av || []};	1246	$decname, length $data, scalar @{$av || []};
		1247
1029	return ($data, $av);	1248	($data, $av)
1030	}	1249	}
1031		1250
1032	=head2 COMMAND CALLBACKS	1251	=head2 COMMAND CALLBACKS
1033		1252
1034	=over 4	1253	=over 4
…		…
1088	my ($name, $cb) = @_;	1307	my ($name, $cb) = @_;
1089		1308
1090	$EXTICMD{$name} = $cb;	1309	$EXTICMD{$name} = $cb;
1091	}	1310	}
1092		1311
		1312	use File::Glob ();
		1313
1093	cf::player->attach (	1314	cf::player->attach (
1094	on_command => sub {	1315	on_unknown_command => sub {
1095	my ($pl, $name, $params) = @_;	1316	my ($pl, $name, $params) = @_;
1096		1317
1097	my $cb = $COMMAND{$name}	1318	my $cb = $COMMAND{$name}
1098	or return;	1319	or return;
1099		1320
…		…
1107	my ($pl, $buf) = @_;	1328	my ($pl, $buf) = @_;
1108		1329
1109	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1330	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1110		1331
1111	if (ref $msg) {	1332	if (ref $msg) {
		1333	my ($type, $reply, @payload) =
		1334	"ARRAY" eq ref $msg
		1335	? @$msg
		1336	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1337
		1338	my @reply;
		1339
1112	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1340	if (my $cb = $EXTCMD{$type}) {
1113	if (my %reply = $cb->($pl, $msg)) {	1341	@reply = $cb->($pl, @payload);
1114	$pl->ext_reply ($msg->{msgid}, %reply);
1115	}
1116	}	1342	}
		1343
		1344	$pl->ext_reply ($reply, @reply)
		1345	if $reply;
		1346
1117	} else {	1347	} else {
1118	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1348	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1119	}	1349	}
1120		1350
1121	cf::override;	1351	cf::override;
1122	},	1352	},
1123	);	1353	);
		1354
		1355	# "readahead" all extensions
		1356	sub cache_extensions {
		1357	my $grp = IO::AIO::aio_group;
		1358
		1359	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1360	for (grep /\.ext$/, @{$_[0]}) {
		1361	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1362	}
		1363	};
		1364
		1365	$grp
		1366	}
1124		1367
1125	sub load_extensions {	1368	sub load_extensions {
1126	cf::sync_job {	1369	cf::sync_job {
1127	my %todo;	1370	my %todo;
1128		1371
…		…
1148		1391
1149	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1392	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1150	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1393	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1151		1394
1152	$ext{source} =	1395	$ext{source} =
1153	"package $pkg; use strict; use utf8;\n"	1396	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1154	. "#line 1 \"$path\"\n{\n"	1397	. "#line 1 \"$path\"\n{\n"
1155	. $source	1398	. $source
1156	. "\n};\n1";	1399	. "\n};\n1";
1157		1400
1158	$todo{$base} = \%ext;	1401	$todo{$base} = \%ext;
1159	}	1402	}
1160		1403
		1404	my $pass = 0;
1161	my %done;	1405	my %done;
1162	while (%todo) {	1406	while (%todo) {
1163	my $progress;	1407	my $progress;
1164		1408
		1409	++$pass;
		1410
		1411	ext:
1165	while (my ($k, $v) = each %todo) {	1412	while (my ($k, $v) = each %todo) {
1166	for (split /,\s*/, $v->{meta}{depends}) {	1413	for (split /,\s*/, $v->{meta}{depends}) {
1167	goto skip	1414	next ext
1168	unless exists $done{$_};	1415	unless exists $done{$_};
1169	}	1416	}
1170		1417
1171	warn "... loading '$k' into '$v->{pkg}'\n";	1418	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1172		1419
1173	unless (eval $v->{source}) {	1420	my $active = eval $v->{source};
		1421
		1422	if (length $@) {
1174	my $msg = $@ ? "$v->{path}: $@\n"	1423	warn "$v->{path}: $@\n";
1175	: "$v->{base}: extension inactive.\n";
1176		1424
		1425	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1177	if (exists $v->{meta}{mandatory}) {	1426	if exists $v->{meta}{mandatory};
1178	warn $msg;	1427	} else {
1179	warn "mandatory extension failed to load, exiting.\n";	1428	$done{$k} = delete $todo{$k};
1180	exit 1;	1429	push @EXTS, $v->{pkg};
1181	}	1430	$progress = 1;
1182		1431
1183	warn $msg;	1432	warn "$v->{base}: extension inactive.\n"
		1433	unless $active;
1184	}	1434	}
1185
1186	$done{$k} = delete $todo{$k};
1187	push @EXTS, $v->{pkg};
1188	$progress = 1;
1189	}	1435	}
1190		1436
1191	skip:	1437	unless ($progress) {
1192	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1438	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1193	unless $progress;	1439
		1440	while (my ($k, $v) = each %todo) {
		1441	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1442	if exists $v->{meta}{mandatory};
		1443	}
		1444	}
1194	}	1445	}
1195	};	1446	};
1196	}	1447	}
1197		1448
1198	#############################################################################	1449	#############################################################################
1199		1450
1200	=back	1451	=back
1201		1452
1202	=head2 CORE EXTENSIONS	1453	=head2 CORE EXTENSIONS
1203		1454
1204	Functions and methods that extend core crossfire objects.	1455	Functions and methods that extend core deliantra objects.
1205		1456
1206	=cut	1457	=cut
1207		1458
1208	package cf::player;	1459	package cf::player;
1209		1460
1210	use Coro::AIO;	1461	use Coro::AIO;
1211		1462
1212	=head3 cf::player	1463	=head3 cf::player
1213		1464
1214	=over 4	1465	=over 4
		1466
		1467	=item cf::player::num_playing
		1468
		1469	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1470
		1471	=cut
		1472
		1473	sub num_playing {
		1474	scalar grep
		1475	$_->ob->map
		1476	&& !$_->hidden
		1477	&& !$_->ob->flag (cf::FLAG_WIZ),
		1478	cf::player::list
		1479	}
1215		1480
1216	=item cf::player::find $login	1481	=item cf::player::find $login
1217		1482
1218	Returns the given player object, loading it if necessary (might block).	1483	Returns the given player object, loading it if necessary (might block).
1219		1484
…		…
1238		1503
1239	sub exists($) {	1504	sub exists($) {
1240	my ($login) = @_;	1505	my ($login) = @_;
1241		1506
1242	$cf::PLAYER{$login}	1507	$cf::PLAYER{$login}
1243	or cf::sync_job { !aio_stat path $login }	1508	or !aio_stat path $login
1244	}	1509	}
1245		1510
1246	sub find($) {	1511	sub find($) {
1247	return $cf::PLAYER{$_[0]} || do {	1512	return $cf::PLAYER{$_[0]} || do {
1248	my $login = $_[0];	1513	my $login = $_[0];
…		…
1255	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1520	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1256	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1521	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1257	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1522	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1258	aio_unlink +(playerdir $login) . "/$login.pl";	1523	aio_unlink +(playerdir $login) . "/$login.pl";
1259		1524
1260	my $pl = load_pl path $login	1525	my $f = new_from_file cf::object::thawer path $login
1261	or return;	1526	or return;
		1527
		1528	my $pl = cf::player::load_pl $f
		1529	or return;
		1530
		1531	local $cf::PLAYER_LOADING{$login} = $pl;
		1532	$f->resolve_delayed_derefs;
1262	$cf::PLAYER{$login} = $pl	1533	$cf::PLAYER{$login} = $pl
1263	}	1534	}
1264	}	1535	}
1265	}	1536	}
1266		1537
…		…
1275	return if $pl->{deny_save};	1546	return if $pl->{deny_save};
1276		1547
1277	aio_mkdir playerdir $pl, 0770;	1548	aio_mkdir playerdir $pl, 0770;
1278	$pl->{last_save} = $cf::RUNTIME;	1549	$pl->{last_save} = $cf::RUNTIME;
1279		1550
		1551	cf::get_slot 0.01;
		1552
1280	$pl->save_pl ($path);	1553	$pl->save_pl ($path);
1281	Coro::cede;	1554	cf::cede_to_tick;
1282	}	1555	}
1283		1556
1284	sub new($) {	1557	sub new($) {
1285	my ($login) = @_;	1558	my ($login) = @_;
1286		1559
…		…
1292	$cf::PLAYER{$login} = $self;	1565	$cf::PLAYER{$login} = $self;
1293		1566
1294	$self	1567	$self
1295	}	1568	}
1296		1569
		1570	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1571
		1572	=cut
		1573
		1574	sub send_msg {
		1575	my $ns = shift->ns
		1576	or return;
		1577	$ns->send_msg (@_);
		1578	}
		1579
1297	=item $pl->quit_character	1580	=item $pl->quit_character
1298		1581
1299	Nukes the player without looking back. If logged in, the connection will	1582	Nukes the player without looking back. If logged in, the connection will
1300	be destroyed. May block for a long time.	1583	be destroyed. May block for a long time.
1301		1584
…		…
1305	my ($pl) = @_;	1588	my ($pl) = @_;
1306		1589
1307	my $name = $pl->ob->name;	1590	my $name = $pl->ob->name;
1308		1591
1309	$pl->{deny_save} = 1;	1592	$pl->{deny_save} = 1;
1310	$pl->password ("*"); # this should lock out the player until we nuked the dir	1593	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1311		1594
1312	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1595	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1313	$pl->deactivate;	1596	$pl->deactivate;
		1597	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1598	$pl->ob->check_score;
1314	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1599	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1315	$pl->ns->destroy if $pl->ns;	1600	$pl->ns->destroy if $pl->ns;
1316		1601
1317	my $path = playerdir $pl;	1602	my $path = playerdir $pl;
1318	my $temp = "$path~$cf::RUNTIME~deleting~";	1603	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1354	or return [];	1639	or return [];
1355		1640
1356	my @logins;	1641	my @logins;
1357		1642
1358	for my $login (@$dirs) {	1643	for my $login (@$dirs) {
		1644	my $path = path $login;
		1645
		1646	# a .pst is a dead give-away for a valid player
		1647	# if no pst file found, open and chekc for blocked users
		1648	if (aio_stat "$path.pst") {
1359	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1649	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1360	aio_read $fh, 0, 512, my $buf, 0 or next;	1650	aio_read $fh, 0, 512, my $buf, 0 or next;
1361	$buf !~ /^password -------------$/m or next; # official not-valid tag	1651	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1652	}
1362		1653
1363	utf8::decode $login;	1654	utf8::decode $login;
1364	push @logins, $login;	1655	push @logins, $login;
1365	}	1656	}
1366		1657
…		…
1393	}	1684	}
1394		1685
1395	\@paths	1686	\@paths
1396	}	1687	}
1397		1688
1398	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1689	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1399		1690
1400	Expand crossfire pod fragments into protocol xml.	1691	Expand deliantra pod fragments into protocol xml.
1401		1692
1402	=cut
1403
1404	sub expand_cfpod {
1405	((my $self), (local $_)) = @_;
1406
1407	# escape & and <
1408	s/&/&amp;/g;
1409	s/(?<![BIUGH])</&lt;/g;
1410
1411	# this is buggy, it needs to properly take care of nested <'s
1412
1413	1 while
1414	# replace B<>, I<>, U<> etc.
1415	s/B<([^\>]*)>/<b>$1<\/b>/
1416	|| s/I<([^\>]*)>/<i>$1<\/i>/
1417	|| s/U<([^\>]*)>/<u>$1<\/u>/
1418	# replace G<male|female> tags
1419	|| s{G<([^>|]*)\|([^>]*)>}{
1420	$self->gender ? $2 : $1
1421	}ge
1422	# replace H<hint text>
1423	|| s{H<([^\>]*)>}
1424	{
1425	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1426	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1427	"")
1428	[$self->{hintmode}]
1429	}ge;
1430
1431	# create single paragraphs (very hackish)
1432	s/(?<=\S)\n(?=\w)/ /g;
1433
1434	# compress some whitespace
1435	s/\s+\n/\n/g; # ws line-ends
1436	s/\n\n+/\n/g; # double lines
1437	s/^\n+//; # beginning lines
1438	s/\n+$//; # ending lines
1439
1440	warn $_;#d#
1441	$_
1442	}
1443
1444	sub hintmode {
1445	$_[0]{hintmode} = $_[1] if @_ > 1;
1446	$_[0]{hintmode}
1447	}
1448
1449	=item $player->ext_reply ($msgid, %msg)	1693	=item $player->ext_reply ($msgid, @msg)
1450		1694
1451	Sends an ext reply to the player.	1695	Sends an ext reply to the player.
1452		1696
1453	=cut	1697	=cut
1454		1698
1455	sub ext_reply($$%) {	1699	sub ext_reply($$@) {
1456	my ($self, $id, %msg) = @_;	1700	my ($self, $id, @msg) = @_;
1457		1701
1458	$msg{msgid} = $id;	1702	$self->ns->ext_reply ($id, @msg)
1459	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1460	}	1703	}
1461		1704
1462	=item $player->ext_event ($type, %msg)	1705	=item $player->ext_msg ($type, @msg)
1463		1706
1464	Sends an ext event to the client.	1707	Sends an ext event to the client.
1465		1708
1466	=cut	1709	=cut
1467		1710
1468	sub ext_event($$%) {	1711	sub ext_msg($$@) {
1469	my ($self, $type, %msg) = @_;	1712	my ($self, $type, @msg) = @_;
1470		1713
1471	$self->ns->ext_event ($type, %msg);	1714	$self->ns->ext_msg ($type, @msg);
1472	}	1715	}
1473		1716
1474	=head3 cf::region	1717	=head3 cf::region
1475		1718
1476	=over 4	1719	=over 4
…		…
1489	my ($path) = @_;	1732	my ($path) = @_;
1490		1733
1491	my ($match, $specificity);	1734	my ($match, $specificity);
1492		1735
1493	for my $region (list) {	1736	for my $region (list) {
1494	if ($region->match && $path =~ $region->match) {	1737	if ($region->{match} && $path =~ $region->{match}) {
1495	($match, $specificity) = ($region, $region->specificity)	1738	($match, $specificity) = ($region, $region->specificity)
1496	if $region->specificity > $specificity;	1739	if $region->specificity > $specificity;
1497	}	1740	}
1498	}	1741	}
1499		1742
…		…
1520	our $MAX_RESET = 3600;	1763	our $MAX_RESET = 3600;
1521	our $DEFAULT_RESET = 3000;	1764	our $DEFAULT_RESET = 3000;
1522		1765
1523	sub generate_random_map {	1766	sub generate_random_map {
1524	my ($self, $rmp) = @_;	1767	my ($self, $rmp) = @_;
		1768
		1769	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1770
1525	# mit "rum" bekleckern, nicht	1771	# mit "rum" bekleckern, nicht
1526	$self->_create_random_map (	1772	$self->_create_random_map (
1527	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1773	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1528	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1774	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1529	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1775	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1530	$rmp->{exit_on_final_map},	1776	$rmp->{exit_on_final_map},
1531	$rmp->{xsize}, $rmp->{ysize},	1777	$rmp->{xsize}, $rmp->{ysize},
1532	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1778	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1533	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1779	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1619	$self->init; # pass $1 etc.	1865	$self->init; # pass $1 etc.
1620	return $self;	1866	return $self;
1621	}	1867	}
1622	}	1868	}
1623		1869
1624	Carp::carp "unable to resolve path '$path' (base '$base').";	1870	Carp::cluck "unable to resolve path '$path' (base '$base').";
1625	()	1871	()
1626	}	1872	}
1627		1873
1628	sub init {	1874	sub init {
1629	my ($self) = @_;	1875	my ($self) = @_;
…		…
1651		1897
1652	# the temporary/swap location	1898	# the temporary/swap location
1653	sub save_path {	1899	sub save_path {
1654	my ($self) = @_;	1900	my ($self) = @_;
1655		1901
1656	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1902	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1657	"$TMPDIR/$path.map"	1903	"$TMPDIR/$path.map"
1658	}	1904	}
1659		1905
1660	# the unique path, undef == no special unique path	1906	# the unique path, undef == no special unique path
1661	sub uniq_path {	1907	sub uniq_path {
1662	my ($self) = @_;	1908	my ($self) = @_;
1663		1909
1664	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1910	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1665	"$UNIQUEDIR/$path"	1911	"$UNIQUEDIR/$path"
1666	}
1667
1668	# and all this just because we cannot iterate over
1669	# all maps in C++...
1670	sub change_all_map_light {
1671	my ($change) = @_;
1672
1673	$_->change_map_light ($change)
1674	for grep $_->outdoor, values %cf::MAP;
1675	}	1912	}
1676		1913
1677	sub decay_objects {	1914	sub decay_objects {
1678	my ($self) = @_;	1915	my ($self) = @_;
1679		1916
…		…
1692		1929
1693	sub load_header_from($) {	1930	sub load_header_from($) {
1694	my ($self, $path) = @_;	1931	my ($self, $path) = @_;
1695		1932
1696	utf8::encode $path;	1933	utf8::encode $path;
1697	#aio_open $path, O_RDONLY, 0	1934	my $f = new_from_file cf::object::thawer $path
1698	# or return;
1699
1700	$self->_load_header ($path)
1701	or return;	1935	or return;
		1936
		1937	$self->_load_header ($f)
		1938	or return;
		1939
		1940	local $MAP_LOADING{$self->{path}} = $self;
		1941	$f->resolve_delayed_derefs;
1702		1942
1703	$self->{load_path} = $path;	1943	$self->{load_path} = $path;
1704		1944
1705	1	1945	1
1706	}	1946	}
…		…
1760	sub find {	2000	sub find {
1761	my ($path, $origin) = @_;	2001	my ($path, $origin) = @_;
1762		2002
1763	$path = normalise $path, $origin && $origin->path;	2003	$path = normalise $path, $origin && $origin->path;
1764		2004
		2005	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1765	cf::lock_wait "map_find:$path";	2006	my $guard2 = cf::lock_acquire "map_find:$path";
1766		2007
1767	$cf::MAP{$path} || do {	2008	$cf::MAP{$path} || do {
1768	my $guard = cf::lock_acquire "map_find:$path";
1769	my $map = new_from_path cf::map $path	2009	my $map = new_from_path cf::map $path
1770	or return;	2010	or return;
1771		2011
1772	$map->{last_save} = $cf::RUNTIME;	2012	$map->{last_save} = $cf::RUNTIME;
1773		2013
…		…
1775	or return;	2015	or return;
1776		2016
1777	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2017	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1778	# doing this can freeze the server in a sync job, obviously	2018	# doing this can freeze the server in a sync job, obviously
1779	#$cf::WAIT_FOR_TICK->wait;	2019	#$cf::WAIT_FOR_TICK->wait;
		2020	undef $guard2;
		2021	undef $guard1;
1780	$map->reset;	2022	$map->reset;
1781	undef $guard;
1782	return find $path;	2023	return find $path;
1783	}	2024	}
1784		2025
1785	$cf::MAP{$path} = $map	2026	$cf::MAP{$path} = $map
1786	}	2027	}
1787	}	2028	}
1788		2029
1789	sub pre_load { }	2030	sub pre_load { }
1790	sub post_load { }	2031	#sub post_load { } # XS
1791		2032
1792	sub load {	2033	sub load {
1793	my ($self) = @_;	2034	my ($self) = @_;
1794		2035
1795	local $self->{deny_reset} = 1; # loading can take a long time	2036	local $self->{deny_reset} = 1; # loading can take a long time
1796		2037
1797	my $path = $self->{path};	2038	my $path = $self->{path};
1798		2039
1799	{	2040	{
1800	my $guard = cf::lock_acquire "map_load:$path";	2041	my $guard = cf::lock_acquire "map_data:$path";
1801		2042
		2043	return unless $self->valid;
1802	return if $self->in_memory != cf::MAP_SWAPPED;	2044	return unless $self->in_memory == cf::MAP_SWAPPED;
1803		2045
1804	$self->in_memory (cf::MAP_LOADING);	2046	$self->in_memory (cf::MAP_LOADING);
1805		2047
1806	$self->alloc;	2048	$self->alloc;
1807		2049
1808	$self->pre_load;	2050	$self->pre_load;
1809	Coro::cede;	2051	cf::cede_to_tick;
1810		2052
		2053	my $f = new_from_file cf::object::thawer $self->{load_path};
		2054	$f->skip_block;
1811	$self->_load_objects ($self->{load_path}, 1)	2055	$self->_load_objects ($f)
1812	or return;	2056	or return;
1813		2057
1814	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2058	$self->post_load_original
1815	if delete $self->{load_original};	2059	if delete $self->{load_original};
1816		2060
1817	if (my $uniq = $self->uniq_path) {	2061	if (my $uniq = $self->uniq_path) {
1818	utf8::encode $uniq;	2062	utf8::encode $uniq;
1819	if (aio_open $uniq, O_RDONLY, 0) {	2063	unless (aio_stat $uniq) {
		2064	if (my $f = new_from_file cf::object::thawer $uniq) {
1820	$self->clear_unique_items;	2065	$self->clear_unique_items;
1821	$self->_load_objects ($uniq, 0);	2066	$self->_load_objects ($f);
		2067	$f->resolve_delayed_derefs;
		2068	}
1822	}	2069	}
1823	}	2070	}
1824		2071
1825	Coro::cede;	2072	$f->resolve_delayed_derefs;
		2073
		2074	cf::cede_to_tick;
1826	# now do the right thing for maps	2075	# now do the right thing for maps
1827	$self->link_multipart_objects;	2076	$self->link_multipart_objects;
1828	$self->difficulty ($self->estimate_difficulty)	2077	$self->difficulty ($self->estimate_difficulty)
1829	unless $self->difficulty;	2078	unless $self->difficulty;
1830	Coro::cede;	2079	cf::cede_to_tick;
1831		2080
1832	unless ($self->{deny_activate}) {	2081	unless ($self->{deny_activate}) {
1833	$self->decay_objects;	2082	$self->decay_objects;
1834	$self->fix_auto_apply;	2083	$self->fix_auto_apply;
1835	$self->update_buttons;	2084	$self->update_buttons;
1836	Coro::cede;	2085	cf::cede_to_tick;
1837	$self->set_darkness_map;
1838	Coro::cede;
1839	$self->activate;	2086	$self->activate;
1840	}	2087	}
1841		2088
		2089	$self->{last_save} = $cf::RUNTIME;
		2090	$self->last_access ($cf::RUNTIME);
		2091
1842	$self->in_memory (cf::MAP_IN_MEMORY);	2092	$self->in_memory (cf::MAP_ACTIVE);
1843	}	2093	}
1844		2094
1845	$self->post_load;	2095	$self->post_load;
1846	}	2096	}
1847		2097
		2098	# customize the map for a given player, i.e.
		2099	# return the _real_ map. used by e.g. per-player
		2100	# maps to change the path to ~playername/mappath
1848	sub customise_for {	2101	sub customise_for {
1849	my ($self, $ob) = @_;	2102	my ($self, $ob) = @_;
1850		2103
1851	return find "~" . $ob->name . "/" . $self->{path}	2104	return find "~" . $ob->name . "/" . $self->{path}
1852	if $self->per_player;	2105	if $self->per_player;
…		…
1856		2109
1857	$self	2110	$self
1858	}	2111	}
1859		2112
1860	# find and load all maps in the 3x3 area around a map	2113	# find and load all maps in the 3x3 area around a map
1861	sub load_diag {	2114	sub load_neighbours {
1862	my ($map) = @_;	2115	my ($map) = @_;
1863		2116
1864	my @diag; # diagonal neighbours	2117	my @neigh; # diagonal neighbours
1865		2118
1866	for (0 .. 3) {	2119	for (0 .. 3) {
1867	my $neigh = $map->tile_path ($_)	2120	my $neigh = $map->tile_path ($_)
1868	or next;	2121	or next;
1869	$neigh = find $neigh, $map	2122	$neigh = find $neigh, $map
1870	or next;	2123	or next;
1871	$neigh->load;	2124	$neigh->load;
1872		2125
		2126	push @neigh,
1873	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2127	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1874	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2128	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1875	}	2129	}
1876		2130
1877	for (@diag) {	2131	for (grep defined $_->[0], @neigh) {
		2132	my ($path, $origin) = @$_;
1878	my $neigh = find @$_	2133	my $neigh = find $path, $origin
1879	or next;	2134	or next;
1880	$neigh->load;	2135	$neigh->load;
1881	}	2136	}
1882	}	2137	}
1883		2138
…		…
1888	}	2143	}
1889		2144
1890	sub do_load_sync {	2145	sub do_load_sync {
1891	my ($map) = @_;	2146	my ($map) = @_;
1892		2147
		2148	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2149	if $Coro::current == $Coro::main;
		2150
1893	cf::sync_job { $map->load };	2151	cf::sync_job { $map->load };
1894	}	2152	}
1895		2153
1896	our %MAP_PREFETCH;	2154	our %MAP_PREFETCH;
1897	our $MAP_PREFETCHER = undef;	2155	our $MAP_PREFETCHER = undef;
1898		2156
1899	sub find_async {	2157	sub find_async {
1900	my ($path, $origin) = @_;	2158	my ($path, $origin, $load) = @_;
1901		2159
1902	$path = normalise $path, $origin && $origin->{path};	2160	$path = normalise $path, $origin && $origin->{path};
1903		2161
1904	if (my $map = $cf::MAP{$path}) {	2162	if (my $map = $cf::MAP{$path}) {
1905	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2163	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1906	}	2164	}
1907		2165
1908	undef $MAP_PREFETCH{$path};	2166	$MAP_PREFETCH{$path} |= $load;
		2167
1909	$MAP_PREFETCHER ||= cf::async {	2168	$MAP_PREFETCHER ||= cf::async {
		2169	$Coro::current->{desc} = "map prefetcher";
		2170
1910	while (%MAP_PREFETCH) {	2171	while (%MAP_PREFETCH) {
1911	for my $path (keys %MAP_PREFETCH) {	2172	while (my ($k, $v) = each %MAP_PREFETCH) {
1912	my $map = find $path	2173	if (my $map = find $k) {
1913	or next;
1914	$map->load;	2174	$map->load if $v;
		2175	}
1915		2176
1916	delete $MAP_PREFETCH{$path};	2177	delete $MAP_PREFETCH{$k};
1917	}	2178	}
1918	}	2179	}
1919	undef $MAP_PREFETCHER;	2180	undef $MAP_PREFETCHER;
1920	};	2181	};
1921	$MAP_PREFETCHER->prio (6);	2182	$MAP_PREFETCHER->prio (6);
…		…
1924	}	2185	}
1925		2186
1926	sub save {	2187	sub save {
1927	my ($self) = @_;	2188	my ($self) = @_;
1928		2189
1929	my $lock = cf::lock_acquire "map_data:" . $self->path;	2190	my $lock = cf::lock_acquire "map_data:$self->{path}";
1930		2191
1931	$self->{last_save} = $cf::RUNTIME;	2192	$self->{last_save} = $cf::RUNTIME;
1932		2193
1933	return unless $self->dirty;	2194	return unless $self->dirty;
1934		2195
…		…
1940	return if $self->{deny_save};	2201	return if $self->{deny_save};
1941		2202
1942	local $self->{last_access} = $self->last_access;#d#	2203	local $self->{last_access} = $self->last_access;#d#
1943		2204
1944	cf::async {	2205	cf::async {
		2206	$Coro::current->{desc} = "map player save";
1945	$_->contr->save for $self->players;	2207	$_->contr->save for $self->players;
1946	};	2208	};
		2209
		2210	cf::get_slot 0.02;
1947		2211
1948	if ($uniq) {	2212	if ($uniq) {
1949	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2213	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1950	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2214	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1951	} else {	2215	} else {
…		…
1957	my ($self) = @_;	2221	my ($self) = @_;
1958		2222
1959	# save first because save cedes	2223	# save first because save cedes
1960	$self->save;	2224	$self->save;
1961		2225
1962	my $lock = cf::lock_acquire "map_data:" . $self->path;	2226	my $lock = cf::lock_acquire "map_data:$self->{path}";
1963		2227
1964	return if $self->players;	2228	return if $self->players;
1965	return if $self->in_memory != cf::MAP_IN_MEMORY;	2229	return if $self->in_memory != cf::MAP_ACTIVE;
1966	return if $self->{deny_save};	2230	return if $self->{deny_save};
1967		2231
		2232	$self->in_memory (cf::MAP_SWAPPED);
		2233
		2234	$self->deactivate;
		2235	$_->clear_links_to ($self) for values %cf::MAP;
1968	$self->clear;	2236	$self->clear;
1969	$self->in_memory (cf::MAP_SWAPPED);
1970	}	2237	}
1971		2238
1972	sub reset_at {	2239	sub reset_at {
1973	my ($self) = @_;	2240	my ($self) = @_;
1974		2241
…		…
1992		2259
1993	my $lock = cf::lock_acquire "map_data:$self->{path}";	2260	my $lock = cf::lock_acquire "map_data:$self->{path}";
1994		2261
1995	return if $self->players;	2262	return if $self->players;
1996		2263
1997	warn "resetting map ", $self->path;	2264	warn "resetting map ", $self->path, "\n";
1998		2265
1999	$self->in_memory (cf::MAP_SWAPPED);	2266	$self->in_memory (cf::MAP_SWAPPED);
2000		2267
2001	# need to save uniques path	2268	# need to save uniques path
2002	unless ($self->{deny_save}) {	2269	unless ($self->{deny_save}) {
…		…
2006	if $uniq;	2273	if $uniq;
2007	}	2274	}
2008		2275
2009	delete $cf::MAP{$self->path};	2276	delete $cf::MAP{$self->path};
2010		2277
		2278	$self->deactivate;
		2279	$_->clear_links_to ($self) for values %cf::MAP;
2011	$self->clear;	2280	$self->clear;
2012
2013	$_->clear_links_to ($self) for values %cf::MAP;
2014		2281
2015	$self->unlink_save;	2282	$self->unlink_save;
2016	$self->destroy;	2283	$self->destroy;
2017	}	2284	}
2018		2285
2019	my $nuke_counter = "aaaa";	2286	my $nuke_counter = "aaaa";
2020		2287
2021	sub nuke {	2288	sub nuke {
2022	my ($self) = @_;	2289	my ($self) = @_;
2023		2290
		2291	{
		2292	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2293
2024	delete $cf::MAP{$self->path};	2294	delete $cf::MAP{$self->path};
2025		2295
2026	$self->unlink_save;	2296	$self->unlink_save;
2027		2297
2028	bless $self, "cf::map";	2298	bless $self, "cf::map";
2029	delete $self->{deny_reset};	2299	delete $self->{deny_reset};
2030	$self->{deny_save} = 1;	2300	$self->{deny_save} = 1;
2031	$self->reset_timeout (1);	2301	$self->reset_timeout (1);
2032	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2302	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2033		2303
2034	$cf::MAP{$self->path} = $self;	2304	$cf::MAP{$self->path} = $self;
		2305	}
2035		2306
2036	$self->reset; # polite request, might not happen	2307	$self->reset; # polite request, might not happen
2037	}	2308	}
2038		2309
2039	=item $maps = cf::map::tmp_maps	2310	=item $maps = cf::map::tmp_maps
…		…
2081		2352
2082	sub unique_maps() {	2353	sub unique_maps() {
2083	[	2354	[
2084	map {	2355	map {
2085	utf8::decode $_;	2356	utf8::decode $_;
2086	/\.map$/	2357	s/\.map$//; # TODO future compatibility hack
		2358	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2359	? ()
2087	? normalise $_	2360	: normalise $_
2088	: ()
2089	} @{ aio_readdir $UNIQUEDIR or [] }	2361	} @{ aio_readdir $UNIQUEDIR or [] }
2090	]	2362	]
2091	}	2363	}
2092		2364
2093	package cf;	2365	=item cf::map::static_maps
		2366
		2367	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2368	file in the shared directory excluding F</styles> and F</editor>). May
		2369	block.
		2370
		2371	=cut
		2372
		2373	sub static_maps() {
		2374	my @dirs = "";
		2375	my @maps;
		2376
		2377	while (@dirs) {
		2378	my $dir = shift @dirs;
		2379
		2380	next if $dir eq "/styles" || $dir eq "/editor";
		2381
		2382	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2383	or return;
		2384
		2385	for (@$files) {
		2386	s/\.map$// or next;
		2387	utf8::decode $_;
		2388	push @maps, "$dir/$_";
		2389	}
		2390
		2391	push @dirs, map "$dir/$_", @$dirs;
		2392	}
		2393
		2394	\@maps
		2395	}
2094		2396
2095	=back	2397	=back
2096		2398
2097	=head3 cf::object	2399	=head3 cf::object
2098		2400
…		…
2102		2404
2103	=over 4	2405	=over 4
2104		2406
2105	=item $ob->inv_recursive	2407	=item $ob->inv_recursive
2106		2408
2107	Returns the inventory of the object _and_ their inventories, recursively.	2409	Returns the inventory of the object I<and> their inventories, recursively,
		2410	but I<not> the object itself.
2108		2411
2109	=cut	2412	=cut
2110		2413
2111	sub inv_recursive_;	2414	sub inv_recursive_;
2112	sub inv_recursive_ {	2415	sub inv_recursive_ {
…		…
2115		2418
2116	sub inv_recursive {	2419	sub inv_recursive {
2117	inv_recursive_ inv $_[0]	2420	inv_recursive_ inv $_[0]
2118	}	2421	}
2119		2422
		2423	=item $ref = $ob->ref
		2424
		2425	Creates and returns a persistent reference to an object that can be stored as a string.
		2426
		2427	=item $ob = cf::object::deref ($refstring)
		2428
		2429	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2430	even if the object actually exists. May block.
		2431
		2432	=cut
		2433
		2434	sub deref {
		2435	my ($ref) = @_;
		2436
		2437	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2438	my ($uuid, $name) = ($1, $2);
		2439	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2440	or return;
		2441	$pl->ob->uuid eq $uuid
		2442	or return;
		2443
		2444	$pl->ob
		2445	} else {
		2446	warn "$ref: cannot resolve object reference\n";
		2447	undef
		2448	}
		2449	}
		2450
2120	package cf;	2451	package cf;
2121		2452
2122	=back	2453	=back
2123		2454
2124	=head3 cf::object::player	2455	=head3 cf::object::player
…		…
2130	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2461	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2131	can be C<undef>. Does the right thing when the player is currently in a	2462	can be C<undef>. Does the right thing when the player is currently in a
2132	dialogue with the given NPC character.	2463	dialogue with the given NPC character.
2133		2464
2134	=cut	2465	=cut
		2466
		2467	our $SAY_CHANNEL = {
		2468	id => "say",
		2469	title => "Map",
		2470	reply => "say ",
		2471	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2472	};
		2473
		2474	our $CHAT_CHANNEL = {
		2475	id => "chat",
		2476	title => "Chat",
		2477	reply => "chat ",
		2478	tooltip => "Player chat and shouts, global to the server.",
		2479	};
2135		2480
2136	# rough implementation of a future "reply" method that works	2481	# rough implementation of a future "reply" method that works
2137	# with dialog boxes.	2482	# with dialog boxes.
2138	#TODO: the first argument must go, split into a $npc->reply_to ( method	2483	#TODO: the first argument must go, split into a $npc->reply_to ( method
2139	sub cf::object::player::reply($$$;$) {	2484	sub cf::object::player::reply($$$;$) {
…		…
2146		2491
2147	} else {	2492	} else {
2148	my $pl = $self->contr;	2493	my $pl = $self->contr;
2149		2494
2150	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2495	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2151	my $diag = $pl->{npc_dialog};	2496	my $dialog = $pl->{npc_dialog};
2152	$diag->{pl}->ext_reply (	2497	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2153	$diag->{id},
2154	msgtype => "reply",
2155	msg => $diag->{pl}->expand_cfpod ($msg),
2156	add_topics => []
2157	);
2158		2498
2159	} else {	2499	} else {
2160	$msg = $npc->name . " says: $msg" if $npc;	2500	$msg = $npc->name . " says: $msg" if $npc;
2161	$self->message ($msg, $flags);	2501	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2162	}	2502	}
2163	}	2503	}
		2504	}
		2505
		2506	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2507
		2508	=cut
		2509
		2510	sub cf::object::send_msg {
		2511	my $pl = shift->contr
		2512	or return;
		2513	$pl->send_msg (@_);
2164	}	2514	}
2165		2515
2166	=item $player_object->may ("access")	2516	=item $player_object->may ("access")
2167		2517
2168	Returns wether the given player is authorized to access resource "access"	2518	Returns wether the given player is authorized to access resource "access"
…		…
2181		2531
2182	=item $player_object->enter_link	2532	=item $player_object->enter_link
2183		2533
2184	Freezes the player and moves him/her to a special map (C<{link}>).	2534	Freezes the player and moves him/her to a special map (C<{link}>).
2185		2535
2186	The player should be reasonably safe there for short amounts of time. You	2536	The player should be reasonably safe there for short amounts of time (e.g.
2187	I<MUST> call C<leave_link> as soon as possible, though.	2537	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2538	though, as the palyer cannot control the character while it is on the link
		2539	map.
2188		2540
2189	Will never block.	2541	Will never block.
2190		2542
2191	=item $player_object->leave_link ($map, $x, $y)	2543	=item $player_object->leave_link ($map, $x, $y)
2192		2544
…		…
2244	($x, $y) = (-1, -1)	2596	($x, $y) = (-1, -1)
2245	unless (defined $x) && (defined $y);	2597	unless (defined $x) && (defined $y);
2246		2598
2247	# use -1 or undef as default coordinates, not 0, 0	2599	# use -1 or undef as default coordinates, not 0, 0
2248	($x, $y) = ($map->enter_x, $map->enter_y)	2600	($x, $y) = ($map->enter_x, $map->enter_y)
2249	if $x <=0 && $y <= 0;	2601	if $x <= 0 && $y <= 0;
2250		2602
2251	$map->load;	2603	$map->load;
2252	$map->load_diag;	2604	$map->load_neighbours;
2253		2605
2254	return unless $self->contr->active;	2606	return unless $self->contr->active;
2255	$self->activate_recursive;
2256		2607
2257	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2608	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2258	$self->enter_map ($map, $x, $y);	2609	$self->enter_map ($map, $x, $y);
2259	}
2260		2610
		2611	# only activate afterwards, to support waiting in hooks
		2612	$self->activate_recursive;
		2613	}
		2614
2261	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2615	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2262		2616
2263	Moves the player to the given map-path and coordinates by first freezing	2617	Moves the player to the given map-path and coordinates by first freezing
2264	her, loading and preparing them map, calling the provided $check callback	2618	her, loading and preparing them map, calling the provided $check callback
2265	that has to return the map if sucecssful, and then unfreezes the player on	2619	that has to return the map if sucecssful, and then unfreezes the player on
2266	the new (success) or old (failed) map position.	2620	the new (success) or old (failed) map position. In either case, $done will
		2621	be called at the end of this process.
		2622
		2623	Note that $check will be called with a potentially non-loaded map, so if
		2624	it needs a loaded map it has to call C<< ->load >>.
2267		2625
2268	=cut	2626	=cut
2269		2627
2270	our $GOTOGEN;	2628	our $GOTOGEN;
2271		2629
2272	sub cf::object::player::goto {	2630	sub cf::object::player::goto {
2273	my ($self, $path, $x, $y, $check) = @_;	2631	my ($self, $path, $x, $y, $check, $done) = @_;
2274		2632
2275	# do generation counting so two concurrent goto's will be executed in-order	2633	# do generation counting so two concurrent goto's will be executed in-order
2276	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2634	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2277		2635
2278	$self->enter_link;	2636	$self->enter_link;
2279		2637
2280	(async {	2638	(async {
		2639	$Coro::current->{desc} = "player::goto $path $x $y";
		2640
		2641	# *tag paths override both path and x|y
		2642	if ($path =~ /^\*(.*)$/) {
		2643	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2644	my $ob = $obs[rand @obs];
		2645
		2646	# see if we actually can go there
		2647	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2648	$ob = $obs[rand @obs];
		2649	} else {
		2650	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2651	}
		2652	# else put us there anyways for now #d#
		2653
		2654	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2655	} else {
		2656	($path, $x, $y) = (undef, undef, undef);
		2657	}
		2658	}
		2659
2281	my $map = eval {	2660	my $map = eval {
2282	my $map = cf::map::find $path;	2661	my $map = defined $path ? cf::map::find $path : undef;
2283		2662
2284	if ($map) {	2663	if ($map) {
2285	$map = $map->customise_for ($self);	2664	$map = $map->customise_for ($self);
2286	$map = $check->($map) if $check && $map;	2665	$map = $check->($map) if $check && $map;
2287	} else {	2666	} else {
2288	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2667	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2289	}	2668	}
2290		2669
2291	$map	2670	$map
2292	};	2671	};
2293		2672
…		…
2298		2677
2299	if ($gen == $self->{_goto_generation}) {	2678	if ($gen == $self->{_goto_generation}) {
2300	delete $self->{_goto_generation};	2679	delete $self->{_goto_generation};
2301	$self->leave_link ($map, $x, $y);	2680	$self->leave_link ($map, $x, $y);
2302	}	2681	}
		2682
		2683	$done->() if $done;
2303	})->prio (1);	2684	})->prio (1);
2304	}	2685	}
2305		2686
2306	=item $player_object->enter_exit ($exit_object)	2687	=item $player_object->enter_exit ($exit_object)
2307		2688
…		…
2327	}	2708	}
2328		2709
2329	sub prepare_random_map {	2710	sub prepare_random_map {
2330	my ($exit) = @_;	2711	my ($exit) = @_;
2331		2712
2332	my $guard = cf::lock_acquire "exit_prepare:$exit";
2333
2334	# all this does is basically replace the /! path by	2713	# all this does is basically replace the /! path by
2335	# a new random map path (?random/...) with a seed	2714	# a new random map path (?random/...) with a seed
2336	# that depends on the exit object	2715	# that depends on the exit object
2337		2716
2338	my $rmp = parse_random_map_params $exit->msg;	2717	my $rmp = parse_random_map_params $exit->msg;
…		…
2340	if ($exit->map) {	2719	if ($exit->map) {
2341	$rmp->{region} = $exit->region->name;	2720	$rmp->{region} = $exit->region->name;
2342	$rmp->{origin_map} = $exit->map->path;	2721	$rmp->{origin_map} = $exit->map->path;
2343	$rmp->{origin_x} = $exit->x;	2722	$rmp->{origin_x} = $exit->x;
2344	$rmp->{origin_y} = $exit->y;	2723	$rmp->{origin_y} = $exit->y;
		2724
		2725	$exit->map->touch;
2345	}	2726	}
2346		2727
2347	$rmp->{random_seed} ||= $exit->random_seed;	2728	$rmp->{random_seed} ||= $exit->random_seed;
2348		2729
2349	my $data = cf::to_json $rmp;	2730	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2350	my $md5 = Digest::MD5::md5_hex $data;	2731	my $md5 = Digest::MD5::md5_hex $data;
2351	my $meta = "$RANDOMDIR/$md5.meta";	2732	my $meta = "$RANDOMDIR/$md5.meta";
2352		2733
2353	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2734	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2354	aio_write $fh, 0, (length $data), $data, 0;	2735	aio_write $fh, 0, (length $data), $data, 0;
2355	undef $fh;	2736	undef $fh;
2356	aio_rename "$meta~", $meta;	2737	aio_rename "$meta~", $meta;
2357		2738
		2739	my $slaying = "?random/$md5";
		2740
		2741	if ($exit->valid) {
2358	$exit->slaying ("?random/$md5");	2742	$exit->slaying ("?random/$md5");
2359	$exit->msg (undef);	2743	$exit->msg (undef);
		2744	}
2360	}	2745	}
2361	}	2746	}
2362		2747
2363	sub cf::object::player::enter_exit {	2748	sub cf::object::player::enter_exit {
2364	my ($self, $exit) = @_;	2749	my ($self, $exit) = @_;
2365		2750
2366	return unless $self->type == cf::PLAYER;	2751	return unless $self->type == cf::PLAYER;
2367		2752
2368	if ($exit->slaying eq "/!") {
2369	#TODO: this should de-fi-ni-te-ly not be a sync-job
2370	# the problem is that $exit might not survive long enough
2371	# so it needs to be done right now, right here
2372	cf::sync_job { prepare_random_map $exit };
2373	}
2374
2375	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2376	my $hp = $exit->stats->hp;
2377	my $sp = $exit->stats->sp;
2378
2379	$self->enter_link;	2753	$self->enter_link;
2380		2754
2381	# if exit is damned, update players death & WoR home-position
2382	$self->contr->savebed ($slaying, $hp, $sp)
2383	if $exit->flag (FLAG_DAMNED);
2384
2385	(async {	2755	(async {
2386	$self->deactivate_recursive; # just to be sure	2756	$Coro::current->{desc} = "enter_exit";
		2757
2387	unless (eval {	2758	unless (eval {
		2759	$self->deactivate_recursive; # just to be sure
		2760
		2761	# random map handling
		2762	{
		2763	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2764
		2765	prepare_random_map $exit
		2766	if $exit->slaying eq "/!";
		2767	}
		2768
		2769	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2770	my $x = $exit->stats->hp;
		2771	my $y = $exit->stats->sp;
		2772
2388	$self->goto ($slaying, $hp, $sp);	2773	$self->goto ($map, $x, $y);
2389		2774
		2775	# if exit is damned, update players death & WoR home-position
		2776	$self->contr->savebed ($map, $x, $y)
		2777	if $exit->flag (cf::FLAG_DAMNED);
		2778
2390	1;	2779	1
2391	}) {	2780	}) {
2392	$self->message ("Something went wrong deep within the crossfire server. "	2781	$self->message ("Something went wrong deep within the deliantra server. "
2393	. "I'll try to bring you back to the map you were before. "	2782	. "I'll try to bring you back to the map you were before. "
2394	. "Please report this to the dungeon master!",	2783	. "Please report this to the dungeon master!",
2395	cf::NDI_UNIQUE | cf::NDI_RED);	2784	cf::NDI_UNIQUE | cf::NDI_RED);
2396		2785
2397	warn "ERROR in enter_exit: $@";	2786	warn "ERROR in enter_exit: $@";
…		…
2416		2805
2417	utf8::encode $text;	2806	utf8::encode $text;
2418	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2807	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2419	}	2808	}
2420		2809
		2810	=item $client->send_big_packet ($pkt)
		2811
		2812	Like C<send_packet>, but tries to compress large packets, and fragments
		2813	them as required.
		2814
		2815	=cut
		2816
		2817	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2818
		2819	sub cf::client::send_big_packet {
		2820	my ($self, $pkt) = @_;
		2821
		2822	# try lzf for large packets
		2823	$pkt = "lzf " . Compress::LZF::compress $pkt
		2824	if 1024 <= length $pkt and $self->{can_lzf};
		2825
		2826	# split very large packets
		2827	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2828	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2829	$pkt = "frag";
		2830	}
		2831
		2832	$self->send_packet ($pkt);
		2833	}
		2834
2421	=item $client->send_msg ($color, $type, $msg, [extra...])	2835	=item $client->send_msg ($channel, $msg, $color, [extra...])
2422		2836
2423	Send a drawinfo or msg packet to the client, formatting the msg for the	2837	Send a drawinfo or msg packet to the client, formatting the msg for the
2424	client if neccessary. C<$type> should be a string identifying the type of	2838	client if neccessary. C<$type> should be a string identifying the type of
2425	the message, with C<log> being the default. If C<$color> is negative, suppress	2839	the message, with C<log> being the default. If C<$color> is negative, suppress
2426	the message unless the client supports the msg packet.	2840	the message unless the client supports the msg packet.
2427		2841
2428	=cut	2842	=cut
2429		2843
		2844	# non-persistent channels (usually the info channel)
		2845	our %CHANNEL = (
		2846	"c/motd" => {
		2847	id => "infobox",
		2848	title => "MOTD",
		2849	reply => undef,
		2850	tooltip => "The message of the day",
		2851	},
		2852	"c/identify" => {
		2853	id => "infobox",
		2854	title => "Identify",
		2855	reply => undef,
		2856	tooltip => "Items recently identified",
		2857	},
		2858	"c/examine" => {
		2859	id => "infobox",
		2860	title => "Examine",
		2861	reply => undef,
		2862	tooltip => "Signs and other items you examined",
		2863	},
		2864	"c/shopinfo" => {
		2865	id => "infobox",
		2866	title => "Shop Info",
		2867	reply => undef,
		2868	tooltip => "What your bargaining skill tells you about the shop",
		2869	},
		2870	"c/book" => {
		2871	id => "infobox",
		2872	title => "Book",
		2873	reply => undef,
		2874	tooltip => "The contents of a note or book",
		2875	},
		2876	"c/lookat" => {
		2877	id => "infobox",
		2878	title => "Look",
		2879	reply => undef,
		2880	tooltip => "What you saw there",
		2881	},
		2882	"c/who" => {
		2883	id => "infobox",
		2884	title => "Players",
		2885	reply => undef,
		2886	tooltip => "Shows players who are currently online",
		2887	},
		2888	"c/body" => {
		2889	id => "infobox",
		2890	title => "Body Parts",
		2891	reply => undef,
		2892	tooltip => "Shows which body parts you posess and are available",
		2893	},
		2894	"c/statistics" => {
		2895	id => "infobox",
		2896	title => "Statistics",
		2897	reply => undef,
		2898	tooltip => "Shows your primary statistics",
		2899	},
		2900	"c/skills" => {
		2901	id => "infobox",
		2902	title => "Skills",
		2903	reply => undef,
		2904	tooltip => "Shows your experience per skill and item power",
		2905	},
		2906	"c/shopitems" => {
		2907	id => "infobox",
		2908	title => "Shop Items",
		2909	reply => undef,
		2910	tooltip => "Shows the items currently for sale in this shop",
		2911	},
		2912	"c/resistances" => {
		2913	id => "infobox",
		2914	title => "Resistances",
		2915	reply => undef,
		2916	tooltip => "Shows your resistances",
		2917	},
		2918	"c/pets" => {
		2919	id => "infobox",
		2920	title => "Pets",
		2921	reply => undef,
		2922	tooltip => "Shows information abotu your pets/a specific pet",
		2923	},
		2924	"c/perceiveself" => {
		2925	id => "infobox",
		2926	title => "Perceive Self",
		2927	reply => undef,
		2928	tooltip => "You gained detailed knowledge about yourself",
		2929	},
		2930	"c/uptime" => {
		2931	id => "infobox",
		2932	title => "Uptime",
		2933	reply => undef,
		2934	tooltip => "How long the server has been running since last restart",
		2935	},
		2936	"c/mapinfo" => {
		2937	id => "infobox",
		2938	title => "Map Info",
		2939	reply => undef,
		2940	tooltip => "Information related to the maps",
		2941	},
		2942	"c/party" => {
		2943	id => "party",
		2944	title => "Party",
		2945	reply => "gsay ",
		2946	tooltip => "Messages and chat related to your party",
		2947	},
		2948	"c/death" => {
		2949	id => "death",
		2950	title => "Death",
		2951	reply => undef,
		2952	tooltip => "Reason for and more info about your most recent death",
		2953	},
		2954	"c/say" => $SAY_CHANNEL,
		2955	"c/chat" => $CHAT_CHANNEL,
		2956	);
		2957
2430	sub cf::client::send_msg {	2958	sub cf::client::send_msg {
2431	my ($self, $color, $type, $msg, @extra) = @_;	2959	my ($self, $channel, $msg, $color, @extra) = @_;
2432		2960
2433	$msg = $self->pl->expand_cfpod ($msg);	2961	$msg = $self->pl->expand_cfpod ($msg)
		2962	unless $color & cf::NDI_VERBATIM;
		2963
		2964	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2965
		2966	# check predefined channels, for the benefit of C
		2967	if ($CHANNEL{$channel}) {
		2968	$channel = $CHANNEL{$channel};
		2969
		2970	$self->ext_msg (channel_info => $channel);
		2971	$channel = $channel->{id};
		2972
		2973	} elsif (ref $channel) {
		2974	# send meta info to client, if not yet sent
		2975	unless (exists $self->{channel}{$channel->{id}}) {
		2976	$self->{channel}{$channel->{id}} = $channel;
		2977	$self->ext_msg (channel_info => $channel);
		2978	}
		2979
		2980	$channel = $channel->{id};
		2981	}
2434		2982
2435	return unless @extra || length $msg;	2983	return unless @extra || length $msg;
2436		2984
2437	if ($self->can_msg) {	2985	# default colour, mask it out
2438	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	2986	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2439	} else {	2987	if $color & cf::NDI_DEF;
2440	# replace some tags by gcfclient-compatible ones
2441	for ($msg) {
2442	1 while
2443	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2444	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2445	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2446	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2447	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2448	}
2449		2988
2450	if ($color >= 0) {	2989	my $pkt = "msg "
2451	if (0 && $msg =~ /\[/) {	2990	. $self->{json_coder}->encode (
2452	$self->send_packet ("drawextinfo $color 4 0 $msg")	2991	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2453	} else {	2992	);
2454	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2455	$self->send_packet ("drawinfo $color $msg")
2456	}
2457	}
2458	}
2459	}
2460		2993
		2994	$self->send_big_packet ($pkt);
		2995	}
		2996
2461	=item $client->ext_event ($type, %msg)	2997	=item $client->ext_msg ($type, @msg)
2462		2998
2463	Sends an ext event to the client.	2999	Sends an ext event to the client.
2464		3000
2465	=cut	3001	=cut
2466		3002
2467	sub cf::client::ext_event($$%) {	3003	sub cf::client::ext_msg($$@) {
2468	my ($self, $type, %msg) = @_;	3004	my ($self, $type, @msg) = @_;
2469		3005
		3006	if ($self->extcmd == 2) {
		3007	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3008	} elsif ($self->extcmd == 1) { # TODO: remove
2470	$msg{msgtype} = "event_$type";	3009	push @msg, msgtype => "event_$type";
2471	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3010	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3011	}
		3012	}
		3013
		3014	=item $client->ext_reply ($msgid, @msg)
		3015
		3016	Sends an ext reply to the client.
		3017
		3018	=cut
		3019
		3020	sub cf::client::ext_reply($$@) {
		3021	my ($self, $id, @msg) = @_;
		3022
		3023	if ($self->extcmd == 2) {
		3024	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3025	} elsif ($self->extcmd == 1) {
		3026	#TODO: version 1, remove
		3027	unshift @msg, msgtype => "reply", msgid => $id;
		3028	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3029	}
2472	}	3030	}
2473		3031
2474	=item $success = $client->query ($flags, "text", \&cb)	3032	=item $success = $client->query ($flags, "text", \&cb)
2475		3033
2476	Queues a query to the client, calling the given callback with	3034	Queues a query to the client, calling the given callback with
…		…
2531	my ($ns, $buf) = @_;	3089	my ($ns, $buf) = @_;
2532		3090
2533	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3091	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2534		3092
2535	if (ref $msg) {	3093	if (ref $msg) {
		3094	my ($type, $reply, @payload) =
		3095	"ARRAY" eq ref $msg
		3096	? @$msg
		3097	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3098
		3099	my @reply;
		3100
2536	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3101	if (my $cb = $EXTICMD{$type}) {
2537	if (my %reply = $cb->($ns, $msg)) {	3102	@reply = $cb->($ns, @payload);
2538	$reply{msgid} = $msg->{msgid};
2539	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2540	}
2541	}	3103	}
		3104
		3105	$ns->ext_reply ($reply, @reply)
		3106	if $reply;
		3107
2542	} else {	3108	} else {
2543	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3109	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2544	}	3110	}
2545		3111
2546	cf::override;	3112	cf::override;
…		…
2568		3134
2569	$coro	3135	$coro
2570	}	3136	}
2571		3137
2572	cf::client->attach (	3138	cf::client->attach (
2573	on_destroy => sub {	3139	on_client_destroy => sub {
2574	my ($ns) = @_;	3140	my ($ns) = @_;
2575		3141
2576	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3142	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2577	},	3143	},
2578	);	3144	);
…		…
2593	our $safe = new Safe "safe";	3159	our $safe = new Safe "safe";
2594	our $safe_hole = new Safe::Hole;	3160	our $safe_hole = new Safe::Hole;
2595		3161
2596	$SIG{FPE} = 'IGNORE';	3162	$SIG{FPE} = 'IGNORE';
2597		3163
2598	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3164	$safe->permit_only (Opcode::opset qw(
		3165	:base_core :base_mem :base_orig :base_math :base_loop
		3166	grepstart grepwhile mapstart mapwhile
		3167	sort time
		3168	));
2599		3169
2600	# here we export the classes and methods available to script code	3170	# here we export the classes and methods available to script code
2601		3171
2602	=pod	3172	=pod
2603		3173
2604	The following functions and methods are available within a safe environment:	3174	The following functions and methods are available within a safe environment:
2605		3175
2606	cf::object	3176	cf::object
2607	contr pay_amount pay_player map x y force_find force_add	3177	contr pay_amount pay_player map x y force_find force_add destroy
2608	insert remove	3178	insert remove name archname title slaying race decrease split
		3179	value
2609		3180
2610	cf::object::player	3181	cf::object::player
2611	player	3182	player
2612		3183
2613	cf::player	3184	cf::player
…		…
2618		3189
2619	=cut	3190	=cut
2620		3191
2621	for (	3192	for (
2622	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3193	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2623	insert remove)],	3194	insert remove inv nrof name archname title slaying race
		3195	decrease split destroy change_exp value msg lore send_msg)],
2624	["cf::object::player" => qw(player)],	3196	["cf::object::player" => qw(player)],
2625	["cf::player" => qw(peaceful)],	3197	["cf::player" => qw(peaceful send_msg)],
2626	["cf::map" => qw(trigger)],	3198	["cf::map" => qw(trigger)],
2627	) {	3199	) {
2628	no strict 'refs';	3200	no strict 'refs';
2629	my ($pkg, @funs) = @$_;	3201	my ($pkg, @funs) = @$_;
2630	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3202	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2648		3220
2649	my $qcode = $code;	3221	my $qcode = $code;
2650	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3222	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2651	$qcode =~ s/\n/\\n/g;	3223	$qcode =~ s/\n/\\n/g;
2652		3224
		3225	%vars = (_dummy => 0) unless %vars;
		3226
		3227	my @res;
2653	local $_;	3228	local $_;
2654	local @safe::cf::_safe_eval_args = values %vars;
2655		3229
2656	my $eval =	3230	my $eval =
2657	"do {\n"	3231	"do {\n"
2658	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3232	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2659	. "#line 0 \"{$qcode}\"\n"	3233	. "#line 0 \"{$qcode}\"\n"
2660	. $code	3234	. $code
2661	. "\n}"	3235	. "\n}"
2662	;	3236	;
2663		3237
		3238	if ($CFG{safe_eval}) {
2664	sub_generation_inc;	3239	sub_generation_inc;
		3240	local @safe::cf::_safe_eval_args = values %vars;
2665	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3241	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2666	sub_generation_inc;	3242	sub_generation_inc;
		3243	} else {
		3244	local @cf::_safe_eval_args = values %vars;
		3245	@res = wantarray ? eval eval : scalar eval $eval;
		3246	}
2667		3247
2668	if ($@) {	3248	if ($@) {
2669	warn "$@";	3249	warn "$@";
2670	warn "while executing safe code '$code'\n";	3250	warn "while executing safe code '$code'\n";
2671	warn "with arguments " . (join " ", %vars) . "\n";	3251	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2690	=cut	3270	=cut
2691		3271
2692	sub register_script_function {	3272	sub register_script_function {
2693	my ($fun, $cb) = @_;	3273	my ($fun, $cb) = @_;
2694		3274
2695	no strict 'refs';	3275	$fun = "safe::$fun" if $CFG{safe_eval};
2696	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3276	*$fun = $safe_hole->wrap ($cb);
2697	}	3277	}
2698		3278
2699	=back	3279	=back
2700		3280
2701	=cut	3281	=cut
…		…
2703	#############################################################################	3283	#############################################################################
2704	# the server's init and main functions	3284	# the server's init and main functions
2705		3285
2706	sub load_facedata($) {	3286	sub load_facedata($) {
2707	my ($path) = @_;	3287	my ($path) = @_;
		3288
		3289	# HACK to clear player env face cache, we need some signal framework
		3290	# for this (global event?)
		3291	%ext::player_env::MUSIC_FACE_CACHE = ();
		3292
		3293	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2708		3294
2709	warn "loading facedata from $path\n";	3295	warn "loading facedata from $path\n";
2710		3296
2711	my $facedata;	3297	my $facedata;
2712	0 < aio_load $path, $facedata	3298	0 < aio_load $path, $facedata
…		…
2715	$facedata = Coro::Storable::thaw $facedata;	3301	$facedata = Coro::Storable::thaw $facedata;
2716		3302
2717	$facedata->{version} == 2	3303	$facedata->{version} == 2
2718	or cf::cleanup "$path: version mismatch, cannot proceed.";	3304	or cf::cleanup "$path: version mismatch, cannot proceed.";
2719		3305
		3306	# patch in the exptable
		3307	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3308	$facedata->{resource}{"res/exp_table"} = {
		3309	type => FT_RSRC,
		3310	data => $exp_table,
		3311	hash => (Digest::MD5::md5 $exp_table),
		3312	};
		3313	cf::cede_to_tick;
		3314
2720	{	3315	{
2721	my $faces = $facedata->{faceinfo};	3316	my $faces = $facedata->{faceinfo};
2722		3317
2723	while (my ($face, $info) = each %$faces) {	3318	while (my ($face, $info) = each %$faces) {
2724	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3319	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3320
2725	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3321	cf::face::set_visibility $idx, $info->{visibility};
		3322	cf::face::set_magicmap $idx, $info->{magicmap};
2726	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3323	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2727	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3324	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2728	Coro::cede;	3325
		3326	cf::cede_to_tick;
2729	}	3327	}
2730		3328
2731	while (my ($face, $info) = each %$faces) {	3329	while (my ($face, $info) = each %$faces) {
2732	next unless $info->{smooth};	3330	next unless $info->{smooth};
		3331
2733	my $idx = cf::face::find $face	3332	my $idx = cf::face::find $face
2734	or next;	3333	or next;
		3334
2735	if (my $smooth = cf::face::find $info->{smooth}) {	3335	if (my $smooth = cf::face::find $info->{smooth}) {
		3336	cf::face::set_smooth $idx, $smooth;
2736	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3337	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2737	} else {	3338	} else {
2738	warn "smooth face '$info->{smooth}' not found for face '$face'";	3339	warn "smooth face '$info->{smooth}' not found for face '$face'";
2739	}	3340	}
2740	Coro::cede;	3341
		3342	cf::cede_to_tick;
2741	}	3343	}
2742	}	3344	}
2743		3345
2744	{	3346	{
2745	my $anims = $facedata->{animinfo};	3347	my $anims = $facedata->{animinfo};
2746		3348
2747	while (my ($anim, $info) = each %$anims) {	3349	while (my ($anim, $info) = each %$anims) {
2748	cf::anim::set $anim, $info->{frames}, $info->{facings};	3350	cf::anim::set $anim, $info->{frames}, $info->{facings};
2749	Coro::cede;	3351	cf::cede_to_tick;
2750	}	3352	}
2751		3353
2752	cf::anim::invalidate_all; # d'oh	3354	cf::anim::invalidate_all; # d'oh
2753	}	3355	}
2754		3356
		3357	{
		3358	my $res = $facedata->{resource};
		3359
		3360	while (my ($name, $info) = each %$res) {
		3361	if (defined $info->{type}) {
		3362	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3363
		3364	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3365	cf::face::set_type $idx, $info->{type};
		3366	} else {
		3367	$RESOURCE{$name} = $info;
		3368	}
		3369
		3370	cf::cede_to_tick;
		3371	}
		3372	}
		3373
		3374	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3375
2755	1	3376	1
2756	}	3377	}
2757		3378
		3379	cf::global->attach (on_resource_update => sub {
		3380	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3381	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3382
		3383	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3384	my $sound = $soundconf->{compat}[$_]
		3385	or next;
		3386
		3387	my $face = cf::face::find "sound/$sound->[1]";
		3388	cf::sound::set $sound->[0] => $face;
		3389	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3390	}
		3391
		3392	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3393	my $face = cf::face::find "sound/$v";
		3394	cf::sound::set $k => $face;
		3395	}
		3396	}
		3397	});
		3398
		3399	register_exticmd fx_want => sub {
		3400	my ($ns, $want) = @_;
		3401
		3402	while (my ($k, $v) = each %$want) {
		3403	$ns->fx_want ($k, $v);
		3404	}
		3405	};
		3406
		3407	sub load_resource_file($) {
		3408	my $guard = lock_acquire "load_resource_file";
		3409
		3410	my $status = load_resource_file_ $_[0];
		3411	get_slot 0.1, 100;
		3412	cf::arch::commit_load;
		3413
		3414	$status
		3415	}
		3416
2758	sub reload_regions {	3417	sub reload_regions {
		3418	# HACK to clear player env face cache, we need some signal framework
		3419	# for this (global event?)
		3420	%ext::player_env::MUSIC_FACE_CACHE = ();
		3421
2759	load_resource_file "$MAPDIR/regions"	3422	load_resource_file "$MAPDIR/regions"
2760	or die "unable to load regions file\n";	3423	or die "unable to load regions file\n";
		3424
		3425	for (cf::region::list) {
		3426	$_->{match} = qr/$_->{match}/
		3427	if exists $_->{match};
		3428	}
2761	}	3429	}
2762		3430
2763	sub reload_facedata {	3431	sub reload_facedata {
2764	load_facedata "$DATADIR/facedata"	3432	load_facedata "$DATADIR/facedata"
2765	or die "unable to load facedata\n";	3433	or die "unable to load facedata\n";
2766	}	3434	}
2767		3435
2768	sub reload_archetypes {	3436	sub reload_archetypes {
2769	load_resource_file "$DATADIR/archetypes"	3437	load_resource_file "$DATADIR/archetypes"
2770	or die "unable to load archetypes\n";	3438	or die "unable to load archetypes\n";
2771	#d# NEED to laod twice to resolve forward references
2772	# this really needs to be done in an extra post-pass
2773	# (which needs to be synchronous, so solve it differently)
2774	load_resource_file "$DATADIR/archetypes"
2775	or die "unable to load archetypes\n";
2776	}	3439	}
2777		3440
2778	sub reload_treasures {	3441	sub reload_treasures {
2779	load_resource_file "$DATADIR/treasures"	3442	load_resource_file "$DATADIR/treasures"
2780	or die "unable to load treasurelists\n";	3443	or die "unable to load treasurelists\n";
2781	}	3444	}
2782		3445
2783	sub reload_resources {	3446	sub reload_resources {
2784	warn "reloading resource files...\n";	3447	warn "reloading resource files...\n";
2785		3448
		3449	reload_facedata;
		3450	reload_archetypes;
2786	reload_regions;	3451	reload_regions;
2787	reload_facedata;
2788	#reload_archetypes;#d#
2789	reload_archetypes;
2790	reload_treasures;	3452	reload_treasures;
2791		3453
2792	warn "finished reloading resource files\n";	3454	warn "finished reloading resource files\n";
2793	}	3455	}
2794		3456
2795	sub init {	3457	sub reload_config {
2796	reload_resources;	3458	warn "reloading config file...\n";
2797	}
2798		3459
2799	sub cfg_load {
2800	open my $fh, "<:utf8", "$CONFDIR/config"	3460	open my $fh, "<:utf8", "$CONFDIR/config"
2801	or return;	3461	or return;
2802		3462
2803	local $/;	3463	local $/;
2804	*CFG = YAML::Syck::Load <$fh>;	3464	*CFG = YAML::XS::Load scalar <$fh>;
2805		3465
2806	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3466	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2807		3467
2808	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3468	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2809	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3469	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2813	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3473	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2814	and die "WARNING: m(un)lockall failed: $!\n";	3474	and die "WARNING: m(un)lockall failed: $!\n";
2815	};	3475	};
2816	warn $@ if $@;	3476	warn $@ if $@;
2817	}	3477	}
		3478
		3479	warn "finished reloading resource files\n";
		3480	}
		3481
		3482	sub pidfile() {
		3483	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3484	or die "$PIDFILE: $!";
		3485	flock $fh, &Fcntl::LOCK_EX
		3486	or die "$PIDFILE: flock: $!";
		3487	$fh
		3488	}
		3489
		3490	# make sure only one server instance is running at any one time
		3491	sub atomic {
		3492	my $fh = pidfile;
		3493
		3494	my $pid = <$fh>;
		3495	kill 9, $pid if $pid > 0;
		3496
		3497	seek $fh, 0, 0;
		3498	print $fh $$;
		3499	}
		3500
		3501	sub main_loop {
		3502	warn "EV::loop starting\n";
		3503	if (1) {
		3504	EV::loop;
		3505	}
		3506	warn "EV::loop returned\n";
		3507	goto &main_loop unless $REALLY_UNLOOP;
2818	}	3508	}
2819		3509
2820	sub main {	3510	sub main {
		3511	cf::init_globals; # initialise logging
		3512
		3513	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3514	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3515	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3516	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3517
		3518	cf::init_experience;
		3519	cf::init_anim;
		3520	cf::init_attackmess;
		3521	cf::init_dynamic;
		3522
		3523	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3524
2821	# we must not ever block the main coroutine	3525	# we must not ever block the main coroutine
2822	local $Coro::idle = sub {	3526	local $Coro::idle = sub {
2823	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3527	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2824	(async {	3528	(async {
2825	Event::one_event;	3529	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3530	EV::loop EV::LOOP_ONESHOT;
2826	})->prio (Coro::PRIO_MAX);	3531	})->prio (Coro::PRIO_MAX);
2827	};	3532	};
2828		3533
2829	cfg_load;	3534	evthread_start IO::AIO::poll_fileno;
		3535
		3536	cf::sync_job {
		3537	cf::load_settings;
		3538	cf::load_materials;
		3539
		3540	reload_resources;
		3541	reload_config;
2830	db_init;	3542	db_init;
		3543
		3544	cf::init_uuid;
		3545	cf::init_signals;
		3546	cf::init_commands;
		3547	cf::init_skills;
		3548
		3549	cf::init_beforeplay;
		3550
		3551	atomic;
		3552
2831	load_extensions;	3553	load_extensions;
2832		3554
2833	$TICK_WATCHER->start;	3555	utime time, time, $RUNTIMEFILE;
2834	Event::loop;	3556
		3557	# no (long-running) fork's whatsoever before this point(!)
		3558	use POSIX ();
		3559	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3560
		3561	(pop @POST_INIT)->(0) while @POST_INIT;
		3562	};
		3563
		3564	main_loop;
2835	}	3565	}
2836		3566
2837	#############################################################################	3567	#############################################################################
2838	# initialisation and cleanup	3568	# initialisation and cleanup
2839		3569
2840	# install some emergency cleanup handlers	3570	# install some emergency cleanup handlers
2841	BEGIN {	3571	BEGIN {
		3572	our %SIGWATCHER = ();
2842	for my $signal (qw(INT HUP TERM)) {	3573	for my $signal (qw(INT HUP TERM)) {
2843	Event->signal (	3574	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2844	reentrant => 0,
2845	data => WF_AUTOCANCEL,
2846	signal => $signal,
2847	prio => 0,
2848	cb => sub {
2849	cf::cleanup "SIG$signal";	3575	cf::cleanup "SIG$signal";
2850	},
2851	);	3576	};
2852	}	3577	}
2853	}	3578	}
2854		3579
2855	sub write_runtime {	3580	sub write_runtime_sync {
2856	my $runtime = "$LOCALDIR/runtime";	3581	my $t0 = EV::time;
2857		3582
2858	# first touch the runtime file to show we are still running:	3583	# first touch the runtime file to show we are still running:
2859	# the fsync below can take a very very long time.	3584	# the fsync below can take a very very long time.
2860		3585
2861	IO::AIO::aio_utime $runtime, undef, undef;	3586	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2862		3587
2863	my $guard = cf::lock_acquire "write_runtime";	3588	my $guard = cf::lock_acquire "write_runtime";
2864		3589
2865	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3590	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2866	or return;	3591	or return;
2867		3592
2868	my $value = $cf::RUNTIME + 90 + 10;	3593	my $value = $cf::RUNTIME + 90 + 10;
2869	# 10 is the runtime save interval, for a monotonic clock	3594	# 10 is the runtime save interval, for a monotonic clock
2870	# 60 allows for the watchdog to kill the server.	3595	# 60 allows for the watchdog to kill the server.
…		…
2880	aio_utime $fh, undef, undef;	3605	aio_utime $fh, undef, undef;
2881		3606
2882	close $fh	3607	close $fh
2883	or return;	3608	or return;
2884		3609
2885	aio_rename "$runtime~", $runtime	3610	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2886	and return;	3611	and return;
2887		3612
2888	warn "runtime file written.\n";	3613	warn sprintf "runtime file written (%gs).\n", EV::time - $t0;
2889		3614
2890	1	3615	1
		3616	}
		3617
		3618	our $uuid_lock;
		3619	our $uuid_skip;
		3620
		3621	sub write_uuid_sync($) {
		3622	$uuid_skip ||= $_[0];
		3623
		3624	return if $uuid_lock;
		3625	local $uuid_lock = 1;
		3626
		3627	my $uuid = "$LOCALDIR/uuid";
		3628
		3629	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3630	or return;
		3631
		3632	my $value = uuid_seq uuid_cur;
		3633
		3634	unless ($value) {
		3635	warn "cowardly refusing to write zero uuid value!\n";
		3636	return;
		3637	}
		3638
		3639	my $value = uuid_str $value + $uuid_skip;
		3640	$uuid_skip = 0;
		3641
		3642	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3643	and return;
		3644
		3645	# always fsync - this file is important
		3646	aio_fsync $fh
		3647	and return;
		3648
		3649	close $fh
		3650	or return;
		3651
		3652	aio_rename "$uuid~", $uuid
		3653	and return;
		3654
		3655	warn "uuid file written ($value).\n";
		3656
		3657	1
		3658
		3659	}
		3660
		3661	sub write_uuid($$) {
		3662	my ($skip, $sync) = @_;
		3663
		3664	$sync ? write_uuid_sync $skip
		3665	: async { write_uuid_sync $skip };
2891	}	3666	}
2892		3667
2893	sub emergency_save() {	3668	sub emergency_save() {
2894	my $freeze_guard = cf::freeze_mainloop;	3669	my $freeze_guard = cf::freeze_mainloop;
2895		3670
2896	warn "enter emergency perl save\n";	3671	warn "emergency_perl_save: enter\n";
2897		3672
2898	cf::sync_job {	3673	cf::sync_job {
		3674	# this is a trade-off: we want to be very quick here, so
		3675	# save all maps without fsync, and later call a global sync
		3676	# (which in turn might be very very slow)
		3677	local $USE_FSYNC = 0;
		3678
2899	# use a peculiar iteration method to avoid tripping on perl	3679	# use a peculiar iteration method to avoid tripping on perl
2900	# refcount bugs in for. also avoids problems with players	3680	# refcount bugs in for. also avoids problems with players
2901	# and maps saved/destroyed asynchronously.	3681	# and maps saved/destroyed asynchronously.
2902	warn "begin emergency player save\n";	3682	warn "emergency_perl_save: begin player save\n";
2903	for my $login (keys %cf::PLAYER) {	3683	for my $login (keys %cf::PLAYER) {
2904	my $pl = $cf::PLAYER{$login} or next;	3684	my $pl = $cf::PLAYER{$login} or next;
2905	$pl->valid or next;	3685	$pl->valid or next;
		3686	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2906	$pl->save;	3687	$pl->save;
2907	}	3688	}
2908	warn "end emergency player save\n";	3689	warn "emergency_perl_save: end player save\n";
2909		3690
2910	warn "begin emergency map save\n";	3691	warn "emergency_perl_save: begin map save\n";
2911	for my $path (keys %cf::MAP) {	3692	for my $path (keys %cf::MAP) {
2912	my $map = $cf::MAP{$path} or next;	3693	my $map = $cf::MAP{$path} or next;
2913	$map->valid or next;	3694	$map->valid or next;
2914	$map->save;	3695	$map->save;
2915	}	3696	}
2916	warn "end emergency map save\n";	3697	warn "emergency_perl_save: end map save\n";
2917		3698
2918	warn "begin emergency database checkpoint\n";	3699	warn "emergency_perl_save: begin database checkpoint\n";
2919	BDB::db_env_txn_checkpoint $DB_ENV;	3700	BDB::db_env_txn_checkpoint $DB_ENV;
2920	warn "end emergency database checkpoint\n";	3701	warn "emergency_perl_save: end database checkpoint\n";
		3702
		3703	warn "emergency_perl_save: begin write uuid\n";
		3704	write_uuid_sync 1;
		3705	warn "emergency_perl_save: end write uuid\n";
2921	};	3706	};
2922		3707
		3708	warn "emergency_perl_save: starting sync()\n";
		3709	IO::AIO::aio_sync sub {
		3710	warn "emergency_perl_save: finished sync()\n";
		3711	};
		3712
2923	warn "leave emergency perl save\n";	3713	warn "emergency_perl_save: leave\n";
2924	}	3714	}
2925		3715
2926	sub post_cleanup {	3716	sub post_cleanup {
2927	my ($make_core) = @_;	3717	my ($make_core) = @_;
2928		3718
2929	warn Carp::longmess "post_cleanup backtrace"	3719	warn Carp::longmess "post_cleanup backtrace"
2930	if $make_core;	3720	if $make_core;
		3721
		3722	my $fh = pidfile;
		3723	unlink $PIDFILE if <$fh> == $$;
		3724	}
		3725
		3726	# a safer delete_package, copied from Symbol
		3727	sub clear_package($) {
		3728	my $pkg = shift;
		3729
		3730	# expand to full symbol table name if needed
		3731	unless ($pkg =~ /^main::.*::$/) {
		3732	$pkg = "main$pkg" if $pkg =~ /^::/;
		3733	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3734	$pkg .= '::' unless $pkg =~ /::$/;
		3735	}
		3736
		3737	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3738	my $stem_symtab = *{$stem}{HASH};
		3739
		3740	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3741	or return;
		3742
		3743	# clear all symbols
		3744	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3745	for my $name (keys %$leaf_symtab) {
		3746	_gv_clear *{"$pkg$name"};
		3747	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3748	}
		3749	warn "cleared package $pkg\n";#d#
2931	}	3750	}
2932		3751
2933	sub do_reload_perl() {	3752	sub do_reload_perl() {
2934	# can/must only be called in main	3753	# can/must only be called in main
2935	if ($Coro::current != $Coro::main) {	3754	if ($Coro::current != $Coro::main) {
2936	warn "can only reload from main coroutine";	3755	warn "can only reload from main coroutine";
2937	return;	3756	return;
2938	}	3757	}
2939		3758
		3759	return if $RELOAD++;
		3760
		3761	my $t1 = EV::time;
		3762
		3763	while ($RELOAD) {
2940	warn "reloading...";	3764	warn "reloading...";
2941		3765
2942	warn "entering sync_job";	3766	warn "entering sync_job";
2943		3767
2944	cf::sync_job {	3768	cf::sync_job {
2945	cf::write_runtime; # external watchdog should not bark	3769	cf::write_runtime_sync; # external watchdog should not bark
2946	cf::emergency_save;	3770	cf::emergency_save;
2947	cf::write_runtime; # external watchdog should not bark	3771	cf::write_runtime_sync; # external watchdog should not bark
2948		3772
2949	warn "syncing database to disk";	3773	warn "syncing database to disk";
2950	BDB::db_env_txn_checkpoint $DB_ENV;	3774	BDB::db_env_txn_checkpoint $DB_ENV;
2951		3775
2952	# if anything goes wrong in here, we should simply crash as we already saved	3776	# if anything goes wrong in here, we should simply crash as we already saved
2953		3777
2954	warn "cancelling all WF_AUTOCANCEL watchers";
2955	for (Event::all_watchers) {
2956	$_->cancel if $_->data & WF_AUTOCANCEL;
2957	}
2958
2959	warn "flushing outstanding aio requests";	3778	warn "flushing outstanding aio requests";
2960	for (;;) {
2961	BDB::flush;
2962	IO::AIO::flush;
2963	Coro::cede;
2964	last unless IO::AIO::nreqs || BDB::nreqs;	3779	while (IO::AIO::nreqs || BDB::nreqs) {
2965	warn "iterate...";	3780	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2966	}
2967
2968	++$RELOAD;
2969
2970	warn "cancelling all extension coros";
2971	$_->cancel for values %EXT_CORO;
2972	%EXT_CORO = ();
2973
2974	warn "removing commands";
2975	%COMMAND = ();
2976
2977	warn "removing ext/exti commands";
2978	%EXTCMD = ();
2979	%EXTICMD = ();
2980
2981	warn "unloading/nuking all extensions";
2982	for my $pkg (@EXTS) {
2983	warn "... unloading $pkg";
2984
2985	if (my $cb = $pkg->can ("unload")) {
2986	eval {
2987	$cb->($pkg);
2988	1
2989	} or warn "$pkg unloaded, but with errors: $@";
2990	}	3781	}
2991		3782
2992	warn "... nuking $pkg";	3783	warn "cancelling all extension coros";
2993	Symbol::delete_package $pkg;	3784	$_->cancel for values %EXT_CORO;
2994	}	3785	%EXT_CORO = ();
2995		3786
2996	warn "unloading all perl modules loaded from $LIBDIR";	3787	warn "removing commands";
2997	while (my ($k, $v) = each %INC) {	3788	%COMMAND = ();
2998	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2999		3789
		3790	warn "removing ext/exti commands";
		3791	%EXTCMD = ();
		3792	%EXTICMD = ();
		3793
		3794	warn "unloading/nuking all extensions";
		3795	for my $pkg (@EXTS) {
3000	warn "... unloading $k";	3796	warn "... unloading $pkg";
3001	delete $INC{$k};
3002		3797
3003	$k =~ s/\.pm$//;
3004	$k =~ s/\//::/g;
3005
3006	if (my $cb = $k->can ("unload_module")) {	3798	if (my $cb = $pkg->can ("unload")) {
		3799	eval {
3007	$cb->();	3800	$cb->($pkg);
		3801	1
		3802	} or warn "$pkg unloaded, but with errors: $@";
		3803	}
		3804
		3805	warn "... clearing $pkg";
		3806	clear_package $pkg;
3008	}	3807	}
3009		3808
3010	Symbol::delete_package $k;	3809	warn "unloading all perl modules loaded from $LIBDIR";
		3810	while (my ($k, $v) = each %INC) {
		3811	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3812
		3813	warn "... unloading $k";
		3814	delete $INC{$k};
		3815
		3816	$k =~ s/\.pm$//;
		3817	$k =~ s/\//::/g;
		3818
		3819	if (my $cb = $k->can ("unload_module")) {
		3820	$cb->();
		3821	}
		3822
		3823	clear_package $k;
3011	}	3824	}
3012		3825
3013	warn "getting rid of safe::, as good as possible";	3826	warn "getting rid of safe::, as good as possible";
3014	Symbol::delete_package "safe::$_"	3827	clear_package "safe::$_"
3015	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3828	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3016		3829
3017	warn "unloading cf.pm \"a bit\"";	3830	warn "unloading cf.pm \"a bit\"";
3018	delete $INC{"cf.pm"};	3831	delete $INC{"cf.pm"};
3019	delete $INC{"cf/pod.pm"};	3832	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3020		3833
3021	# don't, removes xs symbols, too,	3834	# don't, removes xs symbols, too,
3022	# and global variables created in xs	3835	# and global variables created in xs
3023	#Symbol::delete_package __PACKAGE__;	3836	#clear_package __PACKAGE__;
3024		3837
3025	warn "unload completed, starting to reload now";	3838	warn "unload completed, starting to reload now";
3026		3839
3027	warn "reloading cf.pm";	3840	warn "reloading cf.pm";
3028	require cf;	3841	require cf;
3029	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3842	cf::_connect_to_perl_1;
3030		3843
3031	warn "loading config and database again";	3844	warn "loading config and database again";
3032	cf::cfg_load;	3845	cf::reload_config;
3033		3846
3034	warn "loading extensions";	3847	warn "loading extensions";
3035	cf::load_extensions;	3848	cf::load_extensions;
3036		3849
		3850	if ($REATTACH_ON_RELOAD) {
3037	warn "reattaching attachments to objects/players";	3851	warn "reattaching attachments to objects/players";
3038	_global_reattach; # objects, sockets	3852	_global_reattach; # objects, sockets
3039	warn "reattaching attachments to maps";	3853	warn "reattaching attachments to maps";
3040	reattach $_ for values %MAP;	3854	reattach $_ for values %MAP;
3041	warn "reattaching attachments to players";	3855	warn "reattaching attachments to players";
3042	reattach $_ for values %PLAYER;	3856	reattach $_ for values %PLAYER;
		3857	}
3043		3858
		3859	warn "running post_init jobs";
		3860	(pop @POST_INIT)->(1) while @POST_INIT;
		3861
3044	warn "leaving sync_job";	3862	warn "leaving sync_job";
3045		3863
3046	1	3864	1
3047	} or do {	3865	} or do {
3048	warn $@;	3866	warn $@;
3049	warn "error while reloading, exiting.";	3867	cf::cleanup "error while reloading, exiting.";
3050	exit 1;
3051	};	3868	};
3052		3869
3053	warn "reloaded";	3870	warn "reloaded";
		3871	--$RELOAD;
		3872	}
		3873
		3874	$t1 = EV::time - $t1;
		3875	warn "reload completed in ${t1}s\n";
3054	};	3876	};
3055		3877
3056	our $RELOAD_WATCHER; # used only during reload	3878	our $RELOAD_WATCHER; # used only during reload
3057		3879
3058	sub reload_perl() {	3880	sub reload_perl() {
3059	# doing reload synchronously and two reloads happen back-to-back,	3881	# doing reload synchronously and two reloads happen back-to-back,
3060	# coro crashes during coro_state_free->destroy here.	3882	# coro crashes during coro_state_free->destroy here.
3061		3883
3062	$RELOAD_WATCHER ||= Event->timer (	3884	$RELOAD_WATCHER ||= cf::async {
3063	reentrant => 0,	3885	Coro::AIO::aio_wait cache_extensions;
3064	after => 0,	3886
3065	data => WF_AUTOCANCEL,	3887	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3066	cb => sub {
3067	do_reload_perl;	3888	do_reload_perl;
3068	undef $RELOAD_WATCHER;	3889	undef $RELOAD_WATCHER;
3069	},	3890	};
3070	);	3891	};
3071	}	3892	}
3072		3893
3073	register_command "reload" => sub {	3894	register_command "reload" => sub {
3074	my ($who, $arg) = @_;	3895	my ($who, $arg) = @_;
3075		3896
3076	if ($who->flag (FLAG_WIZ)) {	3897	if ($who->flag (FLAG_WIZ)) {
3077	$who->message ("reloading server.");	3898	$who->message ("reloading server.");
		3899	async {
		3900	$Coro::current->{desc} = "perl_reload";
3078	async { reload_perl };	3901	reload_perl;
		3902	};
3079	}	3903	}
3080	};	3904	};
3081		3905
3082	unshift @INC, $LIBDIR;	3906	unshift @INC, $LIBDIR;
3083		3907
…		…
3085		3909
3086	our @WAIT_FOR_TICK;	3910	our @WAIT_FOR_TICK;
3087	our @WAIT_FOR_TICK_BEGIN;	3911	our @WAIT_FOR_TICK_BEGIN;
3088		3912
3089	sub wait_for_tick {	3913	sub wait_for_tick {
3090	return unless $TICK_WATCHER->is_active;
3091	return if $Coro::current == $Coro::main;	3914	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3092		3915
3093	my $signal = new Coro::Signal;	3916	my $signal = new Coro::Signal;
3094	push @WAIT_FOR_TICK, $signal;	3917	push @WAIT_FOR_TICK, $signal;
3095	$signal->wait;	3918	$signal->wait;
3096	}	3919	}
3097		3920
3098	sub wait_for_tick_begin {	3921	sub wait_for_tick_begin {
3099	return unless $TICK_WATCHER->is_active;
3100	return if $Coro::current == $Coro::main;	3922	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3101		3923
3102	my $signal = new Coro::Signal;	3924	my $signal = new Coro::Signal;
3103	push @WAIT_FOR_TICK_BEGIN, $signal;	3925	push @WAIT_FOR_TICK_BEGIN, $signal;
3104	$signal->wait;	3926	$signal->wait;
3105	}	3927	}
3106		3928
3107	my $min = 1e6;#d#	3929	sub tick {
3108	my $avg = 10;
3109	$TICK_WATCHER = Event->timer (
3110	reentrant => 0,
3111	parked => 1,
3112	prio => 0,
3113	at => $NEXT_TICK || $TICK,
3114	data => WF_AUTOCANCEL,
3115	cb => sub {
3116	if ($Coro::current != $Coro::main) {	3930	if ($Coro::current != $Coro::main) {
3117	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3931	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3118	unless ++$bug_warning > 10;	3932	unless ++$bug_warning > 10;
3119	return;	3933	return;
3120	}	3934	}
3121		3935
3122	$NOW = $tick_start = Event::time;
3123
3124	cf::server_tick; # one server iteration	3936	cf::server_tick; # one server iteration
3125		3937
3126	0 && sync_job {#d#	3938	#for(1..3e6){} EV::now_update; $NOW=EV::now; # generate load #d#
3127	for(1..10) {
3128	my $t = Event::time;
3129	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3130	or die;
3131		3939
3132	$map->width (50);	3940	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3133	$map->height (50);	3941	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3134	$map->alloc;	3942	Coro::async_pool {
3135	$map->_load_objects ("/tmp/x.map", 1);	3943	$Coro::current->{desc} = "runtime saver";
3136	my $t = Event::time - $t;	3944	write_runtime_sync
3137		3945	or warn "ERROR: unable to write runtime file: $!";
3138	#next unless $t < 0.0013;#d#
3139	if ($t < $min) {
3140	$min = $t;
3141	}
3142	$avg = $avg * 0.99 + $t * 0.01;
3143	}
3144	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3145	exit 0;
3146	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3147	};	3946	};
		3947	}
3148		3948
3149	$RUNTIME += $TICK;
3150	$NEXT_TICK += $TICK;
3151
3152	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3153	$NEXT_RUNTIME_WRITE = $NOW + 10;
3154	Coro::async_pool {
3155	write_runtime
3156	or warn "ERROR: unable to write runtime file: $!";
3157	};
3158	}
3159
3160	# my $AFTER = Event::time;
3161	# warn $AFTER - $NOW;#d#
3162
3163	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3949	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3164	$sig->send;	3950	$sig->send;
3165	}	3951	}
3166	while (my $sig = shift @WAIT_FOR_TICK) {	3952	while (my $sig = shift @WAIT_FOR_TICK) {
3167	$sig->send;	3953	$sig->send;
3168	}	3954	}
3169		3955
3170	$NOW = Event::time;	3956	$LOAD = ($NOW - $TICK_START) / $TICK;
3171
3172	# if we are delayed by four ticks or more, skip them all
3173	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3174
3175	$TICK_WATCHER->at ($NEXT_TICK);
3176	$TICK_WATCHER->start;
3177
3178	$LOAD = ($NOW - $tick_start) / $TICK;
3179	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3957	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3180		3958
3181	_post_tick;	3959	if (0) {
3182		3960	if ($NEXT_TICK) {
3183		3961	my $jitter = $TICK_START - $NEXT_TICK;
		3962	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3963	warn "jitter $JITTER\n";#d#
		3964	}
3184	},	3965	}
3185	);	3966	}
3186		3967
3187	{	3968	{
3188	BDB::max_poll_time $TICK * 0.1;	3969	# configure BDB
3189	$BDB_POLL_WATCHER = Event->io (	3970
3190	reentrant => 0,
3191	fd => BDB::poll_fileno,
3192	poll => 'r',
3193	prio => 0,
3194	data => WF_AUTOCANCEL,
3195	cb => \&BDB::poll_cb,
3196	);
3197	BDB::min_parallel 8;	3971	BDB::min_parallel 16;
3198		3972	BDB::max_poll_reqs $TICK * 0.1;
3199	BDB::set_sync_prepare {	3973	$AnyEvent::BDB::WATCHER->priority (1);
3200	my $status;
3201	my $current = $Coro::current;
3202	(
3203	sub {
3204	$status = $!;
3205	$current->ready; undef $current;
3206	},
3207	sub {
3208	Coro::schedule while defined $current;
3209	$! = $status;
3210	},
3211	)
3212	};
3213		3974
3214	unless ($DB_ENV) {	3975	unless ($DB_ENV) {
3215	$DB_ENV = BDB::db_env_create;	3976	$DB_ENV = BDB::db_env_create;
		3977	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3978	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3979	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3980	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3981	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3216		3982
3217	cf::sync_job {	3983	cf::sync_job {
3218	eval {	3984	eval {
3219	BDB::db_env_open	3985	BDB::db_env_open
3220	$DB_ENV,	3986	$DB_ENV,
…		…
3222	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3988	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3223	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3989	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3224	0666;	3990	0666;
3225		3991
3226	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3992	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3227
3228	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3229	$DB_ENV->set_lk_detect;
3230	};	3993	};
3231		3994
3232	cf::cleanup "db_env_open(db): $@" if $@;	3995	cf::cleanup "db_env_open(db): $@" if $@;
3233	};	3996	};
3234	}	3997	}
		3998
		3999	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4000	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4001	};
		4002	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4003	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4004	};
		4005	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4006	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4007	};
3235	}	4008	}
3236		4009
3237	{	4010	{
		4011	# configure IO::AIO
		4012
3238	IO::AIO::min_parallel 8;	4013	IO::AIO::min_parallel 8;
3239
3240	undef $Coro::AIO::WATCHER;
3241	IO::AIO::max_poll_time $TICK * 0.1;	4014	IO::AIO::max_poll_time $TICK * 0.1;
3242	$AIO_POLL_WATCHER = Event->io (	4015	undef $AnyEvent::AIO::WATCHER;
3243	reentrant => 0,
3244	data => WF_AUTOCANCEL,
3245	fd => IO::AIO::poll_fileno,
3246	poll => 'r',
3247	prio => 6,
3248	cb => \&IO::AIO::poll_cb,
3249	);
3250	}	4016	}
3251		4017
3252	my $_log_backtrace;	4018	my $_log_backtrace;
3253		4019
3254	sub _log_backtrace {	4020	sub _log_backtrace {
…		…
3257	$msg =~ s/\n//;	4023	$msg =~ s/\n//;
3258		4024
3259	# limit the # of concurrent backtraces	4025	# limit the # of concurrent backtraces
3260	if ($_log_backtrace < 2) {	4026	if ($_log_backtrace < 2) {
3261	++$_log_backtrace;	4027	++$_log_backtrace;
		4028	my $perl_bt = Carp::longmess $msg;
3262	async {	4029	async {
		4030	$Coro::current->{desc} = "abt $msg";
		4031
3263	my @bt = fork_call {	4032	my @bt = fork_call {
3264	@addr = map { sprintf "%x", $_ } @addr;	4033	@addr = map { sprintf "%x", $_ } @addr;
3265	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4034	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3266	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4035	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3267	or die "addr2line: $!";	4036	or die "addr2line: $!";
…		…
3275	}	4044	}
3276		4045
3277	@funcs	4046	@funcs
3278	};	4047	};
3279		4048
3280	LOG llevInfo, "[ABT] $msg\n";	4049	LOG llevInfo, "[ABT] $perl_bt\n";
		4050	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3281	LOG llevInfo, "[ABT] $_\n" for @bt;	4051	LOG llevInfo, "[ABT] $_\n" for @bt;
3282	--$_log_backtrace;	4052	--$_log_backtrace;
3283	};	4053	};
3284	} else {	4054	} else {
3285	LOG llevInfo, "[ABT] $msg\n";	4055	LOG llevInfo, "[ABT] $msg\n";
3286	LOG llevInfo, "[ABT] [suppressed]\n";	4056	LOG llevInfo, "[ABT] [suppressed]\n";
3287	}	4057	}
3288	}	4058	}
3289		4059
3290	# load additional modules	4060	# load additional modules
3291	use cf::pod;	4061	require "cf/$_.pm" for @EXTRA_MODULES;
		4062	cf::_connect_to_perl_2;
3292		4063
3293	END { cf::emergency_save }	4064	END { cf::emergency_save }
3294		4065
3295	1	4066	1
3296		4067

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