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Revision 1.308 by root, Mon Jul 16 14:09:40 2007 UTC vs.
Revision 1.521 by root, Fri Apr 16 23:28:42 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;
34	use Digest::MD5 ();	63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
35		66
36	# configure various modules to our taste	67	# configure various modules to our taste
37	#	68	#
38	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
39	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";
40	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
41		77
42	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
43		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
45	$YAML::Syck::ImplicitUnicode = 1;
46
47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
48		80
49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
50		82
51	our %COMMAND = ();	83	our %COMMAND = ();
52	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
…		…
55	our %EXTCMD = ();	87	our %EXTCMD = ();
56	our %EXTICMD = ();	88	our %EXTICMD = ();
57	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
58	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
59		91
60	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
61	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
62		96
63	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
64	our $DATADIR = datadir;	98	our $DATADIR = datadir;
65	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
66	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
67	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
68	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
73	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE;
		112
		113	our $OUTPUT_RATE_MIN = 4000;
		114	our $OUTPUT_RATE_MAX = 100000;
74		115
75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	116	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
76	our $TICK_WATCHER;
77	our $AIO_POLL_WATCHER;
78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	117	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79	our $NEXT_TICK;	118	our $NEXT_TICK;
80	our $NOW;
81	our $USE_FSYNC = 1; # use fsync to write maps - default off	119	our $USE_FSYNC = 1; # use fsync to write maps - default on
82		120
		121	our $BDB_DEADLOCK_WATCHER;
		122	our $BDB_CHECKPOINT_WATCHER;
83	our $BDB_POLL_WATCHER;	123	our $BDB_TRICKLE_WATCHER;
84	our $DB_ENV;	124	our $DB_ENV;
		125
		126	our @EXTRA_MODULES = qw(pod match mapscript);
85		127
86	our %CFG;	128	our %CFG;
87		129
88	our $UPTIME; $UPTIME ||= time;	130	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;	131	our $RUNTIME;
		132	our $NOW;
90		133
91	our %PLAYER; # all users	134	our (%PLAYER, %PLAYER_LOADING); # all users
92	our %MAP; # all maps	135	our (%MAP, %MAP_LOADING ); # all maps
93	our $LINK_MAP; # the special {link} map, which is always available	136	our $LINK_MAP; # the special {link} map, which is always available
94		137
95	# used to convert map paths into valid unix filenames by replacing / by ∕	138	# used to convert map paths into valid unix filenames by replacing / by ∕
96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	139	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97		140
98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	141	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
99	our $LOADAVG; # same thing, but with alpha-smoothing	142	our $LOADAVG; # same thing, but with alpha-smoothing
		143	our $JITTER; # average jitter
100	our $tick_start; # for load detecting purposes	144	our $TICK_START; # for load detecting purposes
		145
		146	our @POST_INIT;
		147
		148	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		149	our $REALLY_UNLOOP; # never set to true, please :)
101		150
102	binmode STDOUT;	151	binmode STDOUT;
103	binmode STDERR;	152	binmode STDERR;
104		153
105	# read virtual server time, if available	154	# read virtual server time, if available
106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	155	unless ($RUNTIME || !-e $RUNTIMEFILE) {
107	open my $fh, "<", "$LOCALDIR/runtime"	156	open my $fh, "<", $RUNTIMEFILE
108	or die "unable to read runtime file: $!";	157	or die "unable to read $RUNTIMEFILE file: $!";
109	$RUNTIME = <$fh> + 0.;	158	$RUNTIME = <$fh> + 0.;
110	}	159	}
		160
		161	eval "sub TICK() { $TICK } 1" or die;
111		162
112	mkdir $_	163	mkdir $_
113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	164	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
114		165
115	our $EMERGENCY_POSITION;	166	our $EMERGENCY_POSITION;
116		167
117	sub cf::map::normalise;	168	sub cf::map::normalise;
		169
		170	#############################################################################
		171
		172	%REFLECT = ();
		173	for (@REFLECT) {
		174	my $reflect = JSON::XS::decode_json $_;
		175	$REFLECT{$reflect->{class}} = $reflect;
		176	}
		177
		178	# this is decidedly evil
		179	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
118		180
119	#############################################################################	181	#############################################################################
120		182
121	=head2 GLOBAL VARIABLES	183	=head2 GLOBAL VARIABLES
122		184
…		…
158		220
159	The raw value load value from the last tick.	221	The raw value load value from the last tick.
160		222
161	=item %cf::CFG	223	=item %cf::CFG
162		224
163	Configuration for the server, loaded from C</etc/crossfire/config>, or	225	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164	from wherever your confdir points to.	226	from wherever your confdir points to.
165		227
166	=item cf::wait_for_tick, cf::wait_for_tick_begin	228	=item cf::wait_for_tick, cf::wait_for_tick_begin
167		229
168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	230	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
169	returns directly I<after> the tick processing (and consequently, can only wake one process	231	returns directly I<after> the tick processing (and consequently, can only wake one process
170	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	232	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
171		233
		234	=item @cf::INVOKE_RESULTS
		235
		236	This array contains the results of the last C<invoke ()> call. When
		237	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		238	that call.
		239
		240	=item %cf::REFLECT
		241
		242	Contains, for each (C++) class name, a hash reference with information
		243	about object members (methods, scalars, arrays and flags) and other
		244	metadata, which is useful for introspection.
		245
172	=back	246	=back
173		247
174	=cut	248	=cut
175		249
176	BEGIN {	250	$Coro::State::WARNHOOK = sub {
177	*CORE::GLOBAL::warn = sub {
178	my $msg = join "", @_;	251	my $msg = join "", @_;
179		252
180	$msg .= "\n"	253	$msg .= "\n"
181	unless $msg =~ /\n$/;	254	unless $msg =~ /\n$/;
182		255
183	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	256	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
184		257
185	utf8::encode $msg;
186	LOG llevError, $msg;	258	LOG llevError, $msg;
187	};	259	};
188	}	260
		261	$Coro::State::DIEHOOK = sub {
		262	return unless $^S eq 0; # "eq", not "=="
		263
		264	warn Carp::longmess $_[0];
		265
		266	if ($Coro::current == $Coro::main) {#d#
		267	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		268	return;#d#
		269	}#d#
		270
		271	# kill coroutine otherwise
		272	Coro::terminate
		273	};
189		274
190	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	275	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
191	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	276	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
192	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	277	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
193	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	278	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
200	for my $pkg (qw(	285	for my $pkg (qw(
201	cf::global cf::attachable	286	cf::global cf::attachable
202	cf::object cf::object::player	287	cf::object cf::object::player
203	cf::client cf::player	288	cf::client cf::player
204	cf::arch cf::living	289	cf::arch cf::living
		290	cf::map cf::mapspace
205	cf::map cf::party cf::region	291	cf::party cf::region
206	)) {	292	)) {
207	no strict 'refs';
208	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	293	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
209	}	294	}
210		295
211	$Event::DIED = sub {	296	$EV::DIED = sub {
212	warn "error in event callback: @_";	297	Carp::cluck "error in event callback: @_";
213	};	298	};
214		299
215	#############################################################################	300	#############################################################################
216		301
217	=head2 UTILITY FUNCTIONS	302	=head2 UTILITY FUNCTIONS
…		…
239	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	324	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
240	$d	325	$d
241	} || "[unable to dump $_[0]: '$@']";	326	} || "[unable to dump $_[0]: '$@']";
242	}	327	}
243		328
244	=item $ref = cf::from_json $json	329	=item $ref = cf::decode_json $json
245		330
246	Converts a JSON string into the corresponding perl data structure.	331	Converts a JSON string into the corresponding perl data structure.
247		332
248	=item $json = cf::to_json $ref	333	=item $json = cf::encode_json $ref
249		334
250	Converts a perl data structure into its JSON representation.	335	Converts a perl data structure into its JSON representation.
251		336
252	=cut	337	=cut
253		338
254	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	339	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
255		340
256	sub to_json ($) { $json_coder->encode ($_[0]) }	341	sub encode_json($) { $json_coder->encode ($_[0]) }
257	sub from_json ($) { $json_coder->decode ($_[0]) }	342	sub decode_json($) { $json_coder->decode ($_[0]) }
		343
		344	=item cf::post_init { BLOCK }
		345
		346	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		347	but I<before> the server starts ticking again.
		348
		349	The cdoeblock will have a single boolean argument to indicate whether this
		350	is a reload or not.
		351
		352	=cut
		353
		354	sub post_init(&) {
		355	push @POST_INIT, shift;
		356	}
258		357
259	=item cf::lock_wait $string	358	=item cf::lock_wait $string
260		359
261	Wait until the given lock is available. See cf::lock_acquire.	360	Wait until the given lock is available. See cf::lock_acquire.
262		361
263	=item my $lock = cf::lock_acquire $string	362	=item my $lock = cf::lock_acquire $string
264		363
265	Wait until the given lock is available and then acquires it and returns	364	Wait until the given lock is available and then acquires it and returns
266	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	365	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
267	for example when the coroutine gets canceled), the lock is automatically	366	for example when the coroutine gets canceled), the lock is automatically
268	returned.	367	returned.
269		368
		369	Locks are *not* recursive, locking from the same coro twice results in a
		370	deadlocked coro.
		371
270	Lock names should begin with a unique identifier (for example, cf::map::find	372	Lock names should begin with a unique identifier (for example, cf::map::find
271	uses map_find and cf::map::load uses map_load).	373	uses map_find and cf::map::load uses map_load).
272		374
273	=item $locked = cf::lock_active $string	375	=item $locked = cf::lock_active $string
274		376
275	Return true if the lock is currently active, i.e. somebody has locked it.	377	Return true if the lock is currently active, i.e. somebody has locked it.
276		378
277	=cut	379	=cut
278		380
279	our %LOCK;	381	our $LOCKS = new Coro::SemaphoreSet;
280		382
281	sub lock_wait($) {	383	sub lock_wait($) {
282	my ($key) = @_;	384	$LOCKS->wait ($_[0]);
283
284	# wait for lock, if any
285	while ($LOCK{$key}) {
286	push @{ $LOCK{$key} }, $Coro::current;
287	Coro::schedule;
288	}
289	}	385	}
290		386
291	sub lock_acquire($) {	387	sub lock_acquire($) {
292	my ($key) = @_;	388	$LOCKS->guard ($_[0])
293
294	# wait, to be sure we are not locked
295	lock_wait $key;
296
297	$LOCK{$key} = [];
298
299	Coro::guard {
300	# wake up all waiters, to be on the safe side
301	$_->ready for @{ delete $LOCK{$key} };
302	}
303	}	389	}
304		390
305	sub lock_active($) {	391	sub lock_active($) {
306	my ($key) = @_;	392	$LOCKS->count ($_[0]) < 1
307
308	! ! $LOCK{$key}
309	}	393	}
310		394
311	sub freeze_mainloop {	395	sub freeze_mainloop {
312	return unless $TICK_WATCHER->is_active;	396	tick_inhibit_inc;
313		397
314	my $guard = Coro::guard {	398	&Guard::guard (\&tick_inhibit_dec);
315	$TICK_WATCHER->start;	399	}
		400
		401	=item cf::periodic $interval, $cb
		402
		403	Like EV::periodic, but randomly selects a starting point so that the actions
		404	get spread over time.
		405
		406	=cut
		407
		408	sub periodic($$) {
		409	my ($interval, $cb) = @_;
		410
		411	my $start = rand List::Util::min 180, $interval;
		412
		413	EV::periodic $start, $interval, 0, $cb
		414	}
		415
		416	=item cf::get_slot $time[, $priority[, $name]]
		417
		418	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		419	This call blocks and returns only when you have at least C<$time> seconds
		420	of cpu time till the next tick. The slot is only valid till the next cede.
		421
		422	The optional C<$name> can be used to identify the job to run. It might be
		423	used for statistical purposes and should identify the same time-class.
		424
		425	Useful for short background jobs.
		426
		427	=cut
		428
		429	our @SLOT_QUEUE;
		430	our $SLOT_QUEUE;
		431	our $SLOT_DECAY = 0.9;
		432
		433	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		434	$SLOT_QUEUE = Coro::async {
		435	$Coro::current->desc ("timeslot manager");
		436
		437	my $signal = new Coro::Signal;
		438	my $busy;
		439
		440	while () {
		441	next_job:
		442
		443	my $avail = cf::till_tick;
		444
		445	for (0 .. $#SLOT_QUEUE) {
		446	if ($SLOT_QUEUE[$_][0] <= $avail) {
		447	$busy = 0;
		448	my $job = splice @SLOT_QUEUE, $_, 1, ();
		449	$job->[2]->send;
		450	Coro::cede;
		451	goto next_job;
		452	} else {
		453	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		454	}
		455	}
		456
		457	if (@SLOT_QUEUE) {
		458	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		459	push @cf::WAIT_FOR_TICK, $signal;
		460	$signal->wait;
		461	} else {
		462	$busy = 0;
		463	Coro::schedule;
		464	}
316	};	465	}
317	$TICK_WATCHER->stop;	466	};
318	$guard	467
		468	sub get_slot($;$$) {
		469	return if tick_inhibit || $Coro::current == $Coro::main;
		470
		471	my ($time, $pri, $name) = @_;
		472
		473	$time = clamp $time, 0.01, $TICK * .6;
		474
		475	my $sig = new Coro::Signal;
		476
		477	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		478	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		479	$SLOT_QUEUE->ready;
		480	$sig->wait;
319	}	481	}
320		482
321	=item cf::async { BLOCK }	483	=item cf::async { BLOCK }
322		484
323	Currently the same as Coro::async_pool, meaning you cannot use	485	Currently the same as Coro::async_pool, meaning you cannot use
…		…
328		490
329	BEGIN { *async = \&Coro::async_pool }	491	BEGIN { *async = \&Coro::async_pool }
330		492
331	=item cf::sync_job { BLOCK }	493	=item cf::sync_job { BLOCK }
332		494
333	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	495	The design of Deliantra requires that the main coroutine ($Coro::main)
334	is always able to handle events or runnable, as Crossfire TRT is only	496	is always able to handle events or runnable, as Deliantra is only
335	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	497	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
336	acceptable.	498	acceptable.
337		499
338	If it must be done, put the blocking parts into C<sync_job>. This will run	500	If it must be done, put the blocking parts into C<sync_job>. This will run
339	the given BLOCK in another coroutine while waiting for the result. The	501	the given BLOCK in another coroutine while waiting for the result. The
…		…
344		506
345	sub sync_job(&) {	507	sub sync_job(&) {
346	my ($job) = @_;	508	my ($job) = @_;
347		509
348	if ($Coro::current == $Coro::main) {	510	if ($Coro::current == $Coro::main) {
349	my $time = Event::time;	511	my $time = AE::time;
350		512
351	# this is the main coro, too bad, we have to block	513	# this is the main coro, too bad, we have to block
352	# till the operation succeeds, freezing the server :/	514	# till the operation succeeds, freezing the server :/
353		515
354	# TODO: use suspend/resume instead	516	LOG llevError, Carp::longmess "sync job";#d#
355	# (but this is cancel-safe)	517
356	my $freeze_guard = freeze_mainloop;	518	my $freeze_guard = freeze_mainloop;
357		519
358	my $busy = 1;	520	my $busy = 1;
359	my @res;	521	my @res;
360		522
361	(async {	523	(async {
		524	$Coro::current->desc ("sync job coro");
362	@res = eval { $job->() };	525	@res = eval { $job->() };
363	warn $@ if $@;	526	warn $@ if $@;
364	undef $busy;	527	undef $busy;
365	})->prio (Coro::PRIO_MAX);	528	})->prio (Coro::PRIO_MAX);
366		529
367	while ($busy) {	530	while ($busy) {
368	Coro::cede or Event::one_event;	531	if (Coro::nready) {
		532	Coro::cede_notself;
		533	} else {
		534	EV::loop EV::LOOP_ONESHOT;
369	}	535	}
		536	}
370		537
371	$time = Event::time - $time;	538	my $time = AE::time - $time;
372		539
373	LOG llevError | logBacktrace, Carp::longmess "long sync job"
374	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
375
376	$tick_start += $time; # do not account sync jobs to server load	540	$TICK_START += $time; # do not account sync jobs to server load
377		541
378	wantarray ? @res : $res[0]	542	wantarray ? @res : $res[0]
379	} else {	543	} else {
380	# we are in another coroutine, how wonderful, everything just works	544	# we are in another coroutine, how wonderful, everything just works
381		545
…		…
406	=item fork_call { }, $args	570	=item fork_call { }, $args
407		571
408	Executes the given code block with the given arguments in a seperate	572	Executes the given code block with the given arguments in a seperate
409	process, returning the results. Everything must be serialisable with	573	process, returning the results. Everything must be serialisable with
410	Coro::Storable. May, of course, block. Note that the executed sub may	574	Coro::Storable. May, of course, block. Note that the executed sub may
411	never block itself or use any form of Event handling.	575	never block itself or use any form of event handling.
412		576
413	=cut	577	=cut
414
415	sub _store_scalar {
416	open my $fh, ">", \my $buf
417	or die "fork_call: cannot open fh-to-buf in child : $!";
418	Storable::store_fd $_[0], $fh;
419	close $fh;
420
421	$buf
422	}
423		578
424	sub fork_call(&@) {	579	sub fork_call(&@) {
425	my ($cb, @args) = @_;	580	my ($cb, @args) = @_;
426		581
427	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	582	# we seemingly have to make a local copy of the whole thing,
428	# or die "socketpair: $!";	583	# otherwise perl prematurely frees the stuff :/
429	pipe my $fh1, my $fh2	584	# TODO: investigate and fix (likely this will be rather laborious)
430	or die "pipe: $!";
431		585
432	if (my $pid = fork) {	586	my @res = Coro::Util::fork_eval {
433	close $fh2;
434
435	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
436	warn "pst<$res>" unless $res =~ /^pst/;
437	$res = Coro::Storable::thaw $res;
438
439	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
440
441	Carp::confess $$res unless "ARRAY" eq ref $res;
442
443	return wantarray ? @$res : $res->[-1];
444	} else {
445	reset_signals;	587	reset_signals;
446	local $SIG{__WARN__};	588	&$cb
447	local $SIG{__DIE__};	589	}, @args;
448	# just in case, this hack effectively disables event
449	# in the child. cleaner and slower would be canceling all watchers,
450	# but this works for the time being.
451	local $Coro::idle;
452	$Coro::current->prio (Coro::PRIO_MAX);
453		590
454	eval {	591	wantarray ? @res : $res[-1]
455	close $fh1;	592	}
456		593
457	my @res = eval { $cb->(@args) };	594	sub objinfo {
458
459	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
460	close $fh2;
461	};
462
463	warn $@ if $@;
464	_exit 0;
465	}	595	(
		596	"counter value" => cf::object::object_count,
		597	"objects created" => cf::object::create_count,
		598	"objects destroyed" => cf::object::destroy_count,
		599	"freelist size" => cf::object::free_count,
		600	"allocated objects" => cf::object::objects_size,
		601	"active objects" => cf::object::actives_size,
		602	)
		603	}
		604
		605	=item $coin = coin_from_name $name
		606
		607	=cut
		608
		609	our %coin_alias = (
		610	"silver" => "silvercoin",
		611	"silvercoin" => "silvercoin",
		612	"silvercoins" => "silvercoin",
		613	"gold" => "goldcoin",
		614	"goldcoin" => "goldcoin",
		615	"goldcoins" => "goldcoin",
		616	"platinum" => "platinacoin",
		617	"platinumcoin" => "platinacoin",
		618	"platinumcoins" => "platinacoin",
		619	"platina" => "platinacoin",
		620	"platinacoin" => "platinacoin",
		621	"platinacoins" => "platinacoin",
		622	"royalty" => "royalty",
		623	"royalties" => "royalty",
		624	);
		625
		626	sub coin_from_name($) {
		627	$coin_alias{$_[0]}
		628	? cf::arch::find $coin_alias{$_[0]}
		629	: undef
466	}	630	}
467		631
468	=item $value = cf::db_get $family => $key	632	=item $value = cf::db_get $family => $key
469		633
470	Returns a single value from the environment database.	634	Returns a single value from the environment database.
…		…
472	=item cf::db_put $family => $key => $value	636	=item cf::db_put $family => $key => $value
473		637
474	Stores the given C<$value> in the family. It can currently store binary	638	Stores the given C<$value> in the family. It can currently store binary
475	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	639	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
476		640
		641	=item $db = cf::db_table "name"
		642
		643	Create and/or open a new database table. The string must not be "db" and must be unique
		644	within each server.
		645
477	=cut	646	=cut
		647
		648	sub db_table($) {
		649	my ($name) = @_;
		650	my $db = BDB::db_create $DB_ENV;
		651
		652	eval {
		653	$db->set_flags (BDB::CHKSUM);
		654
		655	utf8::encode $name;
		656	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		657	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		658	cf::cleanup "db_open(db): $!" if $!;
		659	};
		660	cf::cleanup "db_open(db): $@" if $@;
		661
		662	$db
		663	}
478		664
479	our $DB;	665	our $DB;
480		666
481	sub db_init {	667	sub db_init {
482	unless ($DB) {
483	$DB = BDB::db_create $DB_ENV;
484
485	cf::sync_job {	668	cf::sync_job {
486	eval {	669	$DB ||= db_table "db";
487	$DB->set_flags (BDB::CHKSUM);
488
489	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
490	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
491	cf::cleanup "db_open(db): $!" if $!;
492	};
493	cf::cleanup "db_open(db): $@" if $@;
494	};
495	}	670	};
496	}	671	}
497		672
498	sub db_get($$) {	673	sub db_get($$) {
499	my $key = "$_[0]/$_[1]";	674	my $key = "$_[0]/$_[1]";
500		675
…		…
550	if (1) {	725	if (1) {
551	$md5 =	726	$md5 =
552	join "\x00",	727	join "\x00",
553	$processversion,	728	$processversion,
554	map {	729	map {
555	Coro::cede;	730	cf::cede_to_tick;
556	($src->[$_], Digest::MD5::md5_hex $data[$_])	731	($src->[$_], Digest::MD5::md5_hex $data[$_])
557	} 0.. $#$src;	732	} 0.. $#$src;
558		733
559		734
560	my $dbmd5 = db_get cache => "$id/md5";	735	my $dbmd5 = db_get cache => "$id/md5";
…		…
598		773
599	#############################################################################	774	#############################################################################
600		775
601	=head2 ATTACHABLE OBJECTS	776	=head2 ATTACHABLE OBJECTS
602		777
603	Many objects in crossfire are so-called attachable objects. That means you can	778	Many objects in deliantra are so-called attachable objects. That means you can
604	attach callbacks/event handlers (a collection of which is called an "attachment")	779	attach callbacks/event handlers (a collection of which is called an "attachment")
605	to it. All such attachable objects support the following methods.	780	to it. All such attachable objects support the following methods.
606		781
607	In the following description, CLASS can be any of C<global>, C<object>	782	In the following description, CLASS can be any of C<global>, C<object>
608	C<player>, C<client> or C<map> (i.e. the attachable objects in	783	C<player>, C<client> or C<map> (i.e. the attachable objects in
609	Crossfire TRT).	784	Deliantra).
610		785
611	=over 4	786	=over 4
612		787
613	=item $attachable->attach ($attachment, key => $value...)	788	=item $attachable->attach ($attachment, key => $value...)
614		789
…		…
658	=item cf::CLASS::attachment $name, ...	833	=item cf::CLASS::attachment $name, ...
659		834
660	Register an attachment by C<$name> through which attachable objects of the	835	Register an attachment by C<$name> through which attachable objects of the
661	given CLASS can refer to this attachment.	836	given CLASS can refer to this attachment.
662		837
663	Some classes such as crossfire maps and objects can specify attachments	838	Some classes such as deliantra maps and objects can specify attachments
664	that are attached at load/instantiate time, thus the need for a name.	839	that are attached at load/instantiate time, thus the need for a name.
665		840
666	These calls expect any number of the following handler/hook descriptions:	841	These calls expect any number of the following handler/hook descriptions:
667		842
668	=over 4	843	=over 4
…		…
866	";	1041	";
867	die if $@;	1042	die if $@;
868	}	1043	}
869		1044
870	our $override;	1045	our $override;
871	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1046	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
872		1047
873	sub override {	1048	sub override {
874	$override = 1;	1049	$override = 1;
875	@invoke_results = ();	1050	@INVOKE_RESULTS = (@_);
876	}	1051	}
877		1052
878	sub do_invoke {	1053	sub do_invoke {
879	my $event = shift;	1054	my $event = shift;
880	my $callbacks = shift;	1055	my $callbacks = shift;
881		1056
882	@invoke_results = ();	1057	@INVOKE_RESULTS = ();
883		1058
884	local $override;	1059	local $override;
885		1060
886	for (@$callbacks) {	1061	for (@$callbacks) {
887	eval { &{$_->[1]} };	1062	eval { &{$_->[1]} };
…		…
896	}	1071	}
897		1072
898	0	1073	0
899	}	1074	}
900		1075
901	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1076	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
902		1077
903	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1078	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
904		1079
905	Generate an object-specific event with the given arguments.	1080	Generate an object-specific event with the given arguments.
906		1081
907	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1082	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
908	removed in future versions), and there is no public API to access override	1083	removed in future versions), and there is no public API to access override
909	results (if you must, access C<@cf::invoke_results> directly).	1084	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
910		1085
911	=back	1086	=back
912		1087
913	=cut	1088	=cut
914		1089
915	#############################################################################	1090	#############################################################################
916	# object support	1091	# object support
		1092
		1093	sub _object_equal($$);
		1094	sub _object_equal($$) {
		1095	my ($a, $b) = @_;
		1096
		1097	return 0 unless (ref $a) eq (ref $b);
		1098
		1099	if ("HASH" eq ref $a) {
		1100	my @ka = keys %$a;
		1101	my @kb = keys %$b;
		1102
		1103	return 0 if @ka != @kb;
		1104
		1105	for (0 .. $#ka) {
		1106	return 0 unless $ka[$_] eq $kb[$_];
		1107	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1108	}
		1109
		1110	} elsif ("ARRAY" eq ref $a) {
		1111
		1112	return 0 if @$a != @$b;
		1113
		1114	for (0 .. $#$a) {
		1115	return 0 unless _object_equal $a->[$_], $b->[$_];
		1116	}
		1117
		1118	} elsif ($a ne $b) {
		1119	return 0;
		1120	}
		1121
		1122	1
		1123	}
		1124
		1125	our $SLOW_MERGES;#d#
		1126	sub _can_merge {
		1127	my ($ob1, $ob2) = @_;
		1128
		1129	++$SLOW_MERGES;#d#
		1130
		1131	# we do the slow way here
		1132	return _object_equal $ob1, $ob2
		1133	}
917		1134
918	sub reattach {	1135	sub reattach {
919	# basically do the same as instantiate, without calling instantiate	1136	# basically do the same as instantiate, without calling instantiate
920	my ($obj) = @_;	1137	my ($obj) = @_;
921		1138
		1139	# no longer needed after getting rid of delete_package?
922	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1140	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
923		1141
924	my $registry = $obj->registry;	1142	my $registry = $obj->registry;
925		1143
926	@$registry = ();	1144	@$registry = ();
927		1145
…		…
942	cf::attachable->attach (	1160	cf::attachable->attach (
943	prio => -1000000,	1161	prio => -1000000,
944	on_instantiate => sub {	1162	on_instantiate => sub {
945	my ($obj, $data) = @_;	1163	my ($obj, $data) = @_;
946		1164
947	$data = from_json $data;	1165	$data = decode_json $data;
948		1166
949	for (@$data) {	1167	for (@$data) {
950	my ($name, $args) = @$_;	1168	my ($name, $args) = @$_;
951		1169
952	$obj->attach ($name, %{$args || {} });	1170	$obj->attach ($name, %{$args || {} });
…		…
968	sub object_freezer_save {	1186	sub object_freezer_save {
969	my ($filename, $rdata, $objs) = @_;	1187	my ($filename, $rdata, $objs) = @_;
970		1188
971	sync_job {	1189	sync_job {
972	if (length $$rdata) {	1190	if (length $$rdata) {
		1191	utf8::decode (my $decname = $filename);
973	warn sprintf "saving %s (%d,%d)\n",	1192	warn sprintf "saving %s (%d,%d)\n",
974	$filename, length $$rdata, scalar @$objs;	1193	$decname, length $$rdata, scalar @$objs;
975		1194
976	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1195	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
977	chmod SAVE_MODE, $fh;	1196	aio_chmod $fh, SAVE_MODE;
978	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1197	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
979	aio_fsync $fh if $cf::USE_FSYNC;	1198	if ($cf::USE_FSYNC) {
		1199	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;
		1200	aio_fsync $fh;
		1201	}
980	close $fh;	1202	aio_close $fh;
981		1203
982	if (@$objs) {	1204	if (@$objs) {
983	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1205	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
984	chmod SAVE_MODE, $fh;	1206	aio_chmod $fh, SAVE_MODE;
985	my $data = Storable::nfreeze { version => 1, objs => $objs };	1207	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
986	aio_write $fh, 0, (length $data), $data, 0;	1208	aio_write $fh, 0, (length $data), $data, 0;
987	aio_fsync $fh if $cf::USE_FSYNC;	1209	if ($cf::USE_FSYNC) {
		1210	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;
		1211	aio_fsync $fh;
		1212	}
988	close $fh;	1213	aio_close $fh;
989	aio_rename "$filename.pst~", "$filename.pst";	1214	aio_rename "$filename.pst~", "$filename.pst";
990	}	1215	}
991	} else {	1216	} else {
992	aio_unlink "$filename.pst";	1217	aio_unlink "$filename.pst";
993	}	1218	}
994		1219
995	aio_rename "$filename~", $filename;	1220	aio_rename "$filename~", $filename;
		1221
		1222	$filename =~ s%/[^/]+$%%;
		1223	aio_pathsync $filename if $cf::USE_FSYNC;
996	} else {	1224	} else {
997	warn "FATAL: $filename~: $!\n";	1225	warn "unable to save objects: $filename~: $!\n";
998	}	1226	}
999	} else {	1227	} else {
1000	aio_unlink $filename;	1228	aio_unlink $filename;
1001	aio_unlink "$filename.pst";	1229	aio_unlink "$filename.pst";
1002	}	1230	}
1003	}	1231	};
1004	}	1232	}
1005		1233
1006	sub object_freezer_as_string {	1234	sub object_freezer_as_string {
1007	my ($rdata, $objs) = @_;	1235	my ($rdata, $objs) = @_;
1008		1236
…		…
1020	or return;	1248	or return;
1021		1249
1022	unless (aio_stat "$filename.pst") {	1250	unless (aio_stat "$filename.pst") {
1023	(aio_load "$filename.pst", $av) >= 0	1251	(aio_load "$filename.pst", $av) >= 0
1024	or return;	1252	or return;
		1253
1025	$av = eval { (Storable::thaw $av)->{objs} };	1254	my $st = eval { Coro::Storable::thaw $av };
		1255	$av = $st->{objs};
1026	}	1256	}
1027		1257
		1258	utf8::decode (my $decname = $filename);
1028	warn sprintf "loading %s (%d)\n",	1259	warn sprintf "loading %s (%d,%d)\n",
1029	$filename, length $data, scalar @{$av || []};	1260	$decname, length $data, scalar @{$av || []};
		1261
1030	return ($data, $av);	1262	($data, $av)
1031	}	1263	}
1032		1264
1033	=head2 COMMAND CALLBACKS	1265	=head2 COMMAND CALLBACKS
1034		1266
1035	=over 4	1267	=over 4
…		…
1089	my ($name, $cb) = @_;	1321	my ($name, $cb) = @_;
1090		1322
1091	$EXTICMD{$name} = $cb;	1323	$EXTICMD{$name} = $cb;
1092	}	1324	}
1093		1325
		1326	use File::Glob ();
		1327
1094	cf::player->attach (	1328	cf::player->attach (
1095	on_command => sub {	1329	on_unknown_command => sub {
1096	my ($pl, $name, $params) = @_;	1330	my ($pl, $name, $params) = @_;
1097		1331
1098	my $cb = $COMMAND{$name}	1332	my $cb = $COMMAND{$name}
1099	or return;	1333	or return;
1100		1334
…		…
1108	my ($pl, $buf) = @_;	1342	my ($pl, $buf) = @_;
1109		1343
1110	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1344	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1111		1345
1112	if (ref $msg) {	1346	if (ref $msg) {
		1347	my ($type, $reply, @payload) =
		1348	"ARRAY" eq ref $msg
		1349	? @$msg
		1350	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1351
		1352	my @reply;
		1353
1113	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1354	if (my $cb = $EXTCMD{$type}) {
1114	if (my %reply = $cb->($pl, $msg)) {	1355	@reply = $cb->($pl, @payload);
1115	$pl->ext_reply ($msg->{msgid}, %reply);
1116	}
1117	}	1356	}
		1357
		1358	$pl->ext_reply ($reply, @reply)
		1359	if $reply;
		1360
1118	} else {	1361	} else {
1119	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1362	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1120	}	1363	}
1121		1364
1122	cf::override;	1365	cf::override;
1123	},	1366	},
1124	);	1367	);
		1368
		1369	# "readahead" all extensions
		1370	sub cache_extensions {
		1371	my $grp = IO::AIO::aio_group;
		1372
		1373	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1374	for (grep /\.ext$/, @{$_[0]}) {
		1375	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1376	}
		1377	};
		1378
		1379	$grp
		1380	}
1125		1381
1126	sub load_extensions {	1382	sub load_extensions {
1127	cf::sync_job {	1383	cf::sync_job {
1128	my %todo;	1384	my %todo;
1129		1385
…		…
1149		1405
1150	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1406	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1151	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1407	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1152		1408
1153	$ext{source} =	1409	$ext{source} =
1154	"package $pkg; use strict; use utf8;\n"	1410	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1155	. "#line 1 \"$path\"\n{\n"	1411	. "#line 1 \"$path\"\n{\n"
1156	. $source	1412	. $source
1157	. "\n};\n1";	1413	. "\n};\n1";
1158		1414
1159	$todo{$base} = \%ext;	1415	$todo{$base} = \%ext;
1160	}	1416	}
1161		1417
		1418	my $pass = 0;
1162	my %done;	1419	my %done;
1163	while (%todo) {	1420	while (%todo) {
1164	my $progress;	1421	my $progress;
1165		1422
		1423	++$pass;
		1424
		1425	ext:
1166	while (my ($k, $v) = each %todo) {	1426	while (my ($k, $v) = each %todo) {
1167	for (split /,\s*/, $v->{meta}{depends}) {	1427	for (split /,\s*/, $v->{meta}{depends}) {
1168	goto skip	1428	next ext
1169	unless exists $done{$_};	1429	unless exists $done{$_};
1170	}	1430	}
1171		1431
1172	warn "... loading '$k' into '$v->{pkg}'\n";	1432	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1173		1433
1174	unless (eval $v->{source}) {	1434	my $active = eval $v->{source};
		1435
		1436	if (length $@) {
1175	my $msg = $@ ? "$v->{path}: $@\n"	1437	warn "$v->{path}: $@\n";
1176	: "$v->{base}: extension inactive.\n";
1177		1438
		1439	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1178	if (exists $v->{meta}{mandatory}) {	1440	if exists $v->{meta}{mandatory};
1179	warn $msg;	1441
1180	warn "mandatory extension failed to load, exiting.\n";	1442	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1181	exit 1;	1443	delete $todo{$k};
1182	}	1444	} else {
1183		1445	$done{$k} = delete $todo{$k};
1184	warn $msg;	1446	push @EXTS, $v->{pkg};
		1447	$progress = 1;
		1448
		1449	warn "$v->{base}: extension inactive.\n"
		1450	unless $active;
1185	}	1451	}
1186
1187	$done{$k} = delete $todo{$k};
1188	push @EXTS, $v->{pkg};
1189	$progress = 1;
1190	}	1452	}
1191		1453
1192	skip:	1454	unless ($progress) {
1193	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1455	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1194	unless $progress;	1456
		1457	while (my ($k, $v) = each %todo) {
		1458	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1459	if exists $v->{meta}{mandatory};
		1460	}
		1461	}
1195	}	1462	}
1196	};	1463	};
1197	}	1464	}
1198		1465
1199	#############################################################################	1466	#############################################################################
1200		1467
1201	=back	1468	=back
1202		1469
1203	=head2 CORE EXTENSIONS	1470	=head2 CORE EXTENSIONS
1204		1471
1205	Functions and methods that extend core crossfire objects.	1472	Functions and methods that extend core deliantra objects.
1206		1473
1207	=cut	1474	=cut
1208		1475
1209	package cf::player;	1476	package cf::player;
1210		1477
1211	use Coro::AIO;	1478	use Coro::AIO;
1212		1479
1213	=head3 cf::player	1480	=head3 cf::player
1214		1481
1215	=over 4	1482	=over 4
		1483
		1484	=item cf::player::num_playing
		1485
		1486	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1487
		1488	=cut
		1489
		1490	sub num_playing {
		1491	scalar grep
		1492	$_->ob->map
		1493	&& !$_->hidden
		1494	&& !$_->ob->flag (cf::FLAG_WIZ),
		1495	cf::player::list
		1496	}
1216		1497
1217	=item cf::player::find $login	1498	=item cf::player::find $login
1218		1499
1219	Returns the given player object, loading it if necessary (might block).	1500	Returns the given player object, loading it if necessary (might block).
1220		1501
…		…
1239		1520
1240	sub exists($) {	1521	sub exists($) {
1241	my ($login) = @_;	1522	my ($login) = @_;
1242		1523
1243	$cf::PLAYER{$login}	1524	$cf::PLAYER{$login}
1244	or cf::sync_job { !aio_stat path $login }	1525	or !aio_stat path $login
1245	}	1526	}
1246		1527
1247	sub find($) {	1528	sub find($) {
1248	return $cf::PLAYER{$_[0]} || do {	1529	return $cf::PLAYER{$_[0]} || do {
1249	my $login = $_[0];	1530	my $login = $_[0];
…		…
1256	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1537	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1257	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1538	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1258	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1539	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1259	aio_unlink +(playerdir $login) . "/$login.pl";	1540	aio_unlink +(playerdir $login) . "/$login.pl";
1260		1541
1261	my $pl = load_pl path $login	1542	my $f = new_from_file cf::object::thawer path $login
1262	or return;	1543	or return;
		1544
		1545	my $pl = cf::player::load_pl $f
		1546	or return;
		1547
		1548	local $cf::PLAYER_LOADING{$login} = $pl;
		1549	$f->resolve_delayed_derefs;
1263	$cf::PLAYER{$login} = $pl	1550	$cf::PLAYER{$login} = $pl
1264	}	1551	}
1265	}	1552	}
1266	}	1553	}
		1554
		1555	cf::player->attach (
		1556	on_load => sub {
		1557	my ($pl, $path) = @_;
		1558
		1559	# restore slots saved in save, below
		1560	my $slots = delete $pl->{_slots};
		1561
		1562	$pl->ob->current_weapon ($slots->[0]);
		1563	$pl->combat_ob ($slots->[1]);
		1564	$pl->ranged_ob ($slots->[2]);
		1565	},
		1566	);
1267		1567
1268	sub save($) {	1568	sub save($) {
1269	my ($pl) = @_;	1569	my ($pl) = @_;
1270		1570
1271	return if $pl->{deny_save};	1571	return if $pl->{deny_save};
…		…
1276	return if $pl->{deny_save};	1576	return if $pl->{deny_save};
1277		1577
1278	aio_mkdir playerdir $pl, 0770;	1578	aio_mkdir playerdir $pl, 0770;
1279	$pl->{last_save} = $cf::RUNTIME;	1579	$pl->{last_save} = $cf::RUNTIME;
1280		1580
		1581	cf::get_slot 0.01;
		1582
		1583	# save slots, to be restored later
		1584	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1585
1281	$pl->save_pl ($path);	1586	$pl->save_pl ($path);
1282	Coro::cede;	1587	cf::cede_to_tick;
1283	}	1588	}
1284		1589
1285	sub new($) {	1590	sub new($) {
1286	my ($login) = @_;	1591	my ($login) = @_;
1287		1592
…		…
1293	$cf::PLAYER{$login} = $self;	1598	$cf::PLAYER{$login} = $self;
1294		1599
1295	$self	1600	$self
1296	}	1601	}
1297		1602
		1603	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1604
		1605	=cut
		1606
		1607	sub send_msg {
		1608	my $ns = shift->ns
		1609	or return;
		1610	$ns->send_msg (@_);
		1611	}
		1612
1298	=item $pl->quit_character	1613	=item $pl->quit_character
1299		1614
1300	Nukes the player without looking back. If logged in, the connection will	1615	Nukes the player without looking back. If logged in, the connection will
1301	be destroyed. May block for a long time.	1616	be destroyed. May block for a long time.
1302		1617
…		…
1306	my ($pl) = @_;	1621	my ($pl) = @_;
1307		1622
1308	my $name = $pl->ob->name;	1623	my $name = $pl->ob->name;
1309		1624
1310	$pl->{deny_save} = 1;	1625	$pl->{deny_save} = 1;
1311	$pl->password ("*"); # this should lock out the player until we nuked the dir	1626	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1312		1627
1313	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1628	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1314	$pl->deactivate;	1629	$pl->deactivate;
		1630	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1631	$pl->ob->check_score;
1315	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1632	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1316	$pl->ns->destroy if $pl->ns;	1633	$pl->ns->destroy if $pl->ns;
1317		1634
1318	my $path = playerdir $pl;	1635	my $path = playerdir $pl;
1319	my $temp = "$path~$cf::RUNTIME~deleting~";	1636	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1355	or return [];	1672	or return [];
1356		1673
1357	my @logins;	1674	my @logins;
1358		1675
1359	for my $login (@$dirs) {	1676	for my $login (@$dirs) {
		1677	my $path = path $login;
		1678
		1679	# a .pst is a dead give-away for a valid player
		1680	# if no pst file found, open and chekc for blocked users
		1681	if (aio_stat "$path.pst") {
1360	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1682	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1361	aio_read $fh, 0, 512, my $buf, 0 or next;	1683	aio_read $fh, 0, 512, my $buf, 0 or next;
1362	$buf !~ /^password -------------$/m or next; # official not-valid tag	1684	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1685	}
1363		1686
1364	utf8::decode $login;	1687	utf8::decode $login;
1365	push @logins, $login;	1688	push @logins, $login;
1366	}	1689	}
1367		1690
…		…
1394	}	1717	}
1395		1718
1396	\@paths	1719	\@paths
1397	}	1720	}
1398		1721
1399	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1722	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1400		1723
1401	Expand crossfire pod fragments into protocol xml.	1724	Expand deliantra pod fragments into protocol xml.
1402		1725
1403	=cut
1404
1405	sub expand_cfpod {
1406	((my $self), (local $_)) = @_;
1407
1408	# escape & and <
1409	s/&/&amp;/g;
1410	s/(?<![BIUGH])</&lt;/g;
1411
1412	# this is buggy, it needs to properly take care of nested <'s
1413
1414	1 while
1415	# replace B<>, I<>, U<> etc.
1416	s/B<([^\>]*)>/<b>$1<\/b>/
1417	|| s/I<([^\>]*)>/<i>$1<\/i>/
1418	|| s/U<([^\>]*)>/<u>$1<\/u>/
1419	# replace G<male|female> tags
1420	|| s{G<([^>|]*)\|([^>]*)>}{
1421	$self->gender ? $2 : $1
1422	}ge
1423	# replace H<hint text>
1424	|| s{H<([^\>]*)>}
1425	{
1426	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1427	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1428	"")
1429	[$self->{hintmode}]
1430	}ge;
1431
1432	# create single paragraphs (very hackish)
1433	s/(?<=\S)\n(?=\w)/ /g;
1434
1435	# compress some whitespace
1436	s/\s+\n/\n/g; # ws line-ends
1437	s/\n\n+/\n/g; # double lines
1438	s/^\n+//; # beginning lines
1439	s/\n+$//; # ending lines
1440
1441	$_
1442	}
1443
1444	sub hintmode {
1445	$_[0]{hintmode} = $_[1] if @_ > 1;
1446	$_[0]{hintmode}
1447	}
1448
1449	=item $player->ext_reply ($msgid, %msg)	1726	=item $player->ext_reply ($msgid, @msg)
1450		1727
1451	Sends an ext reply to the player.	1728	Sends an ext reply to the player.
1452		1729
1453	=cut	1730	=cut
1454		1731
1455	sub ext_reply($$%) {	1732	sub ext_reply($$@) {
1456	my ($self, $id, %msg) = @_;	1733	my ($self, $id, @msg) = @_;
1457		1734
1458	$msg{msgid} = $id;	1735	$self->ns->ext_reply ($id, @msg)
1459	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1460	}	1736	}
1461		1737
1462	=item $player->ext_event ($type, %msg)	1738	=item $player->ext_msg ($type, @msg)
1463		1739
1464	Sends an ext event to the client.	1740	Sends an ext event to the client.
1465		1741
1466	=cut	1742	=cut
1467		1743
1468	sub ext_event($$%) {	1744	sub ext_msg($$@) {
1469	my ($self, $type, %msg) = @_;	1745	my ($self, $type, @msg) = @_;
1470		1746
1471	$self->ns->ext_event ($type, %msg);	1747	$self->ns->ext_msg ($type, @msg);
1472	}	1748	}
1473		1749
1474	=head3 cf::region	1750	=head3 cf::region
1475		1751
1476	=over 4	1752	=over 4
…		…
1520	our $MAX_RESET = 3600;	1796	our $MAX_RESET = 3600;
1521	our $DEFAULT_RESET = 3000;	1797	our $DEFAULT_RESET = 3000;
1522		1798
1523	sub generate_random_map {	1799	sub generate_random_map {
1524	my ($self, $rmp) = @_;	1800	my ($self, $rmp) = @_;
		1801
		1802	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1803
1525	# mit "rum" bekleckern, nicht	1804	# mit "rum" bekleckern, nicht
1526	$self->_create_random_map (	1805	$self->_create_random_map (
1527	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1806	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1528	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1807	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1529	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1808	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1530	$rmp->{exit_on_final_map},	1809	$rmp->{exit_on_final_map},
1531	$rmp->{xsize}, $rmp->{ysize},	1810	$rmp->{xsize}, $rmp->{ysize},
1532	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1811	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1533	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1812	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1651		1930
1652	# the temporary/swap location	1931	# the temporary/swap location
1653	sub save_path {	1932	sub save_path {
1654	my ($self) = @_;	1933	my ($self) = @_;
1655		1934
1656	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1935	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1657	"$TMPDIR/$path.map"	1936	"$TMPDIR/$path.map"
1658	}	1937	}
1659		1938
1660	# the unique path, undef == no special unique path	1939	# the unique path, undef == no special unique path
1661	sub uniq_path {	1940	sub uniq_path {
1662	my ($self) = @_;	1941	my ($self) = @_;
1663		1942
1664	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1943	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1665	"$UNIQUEDIR/$path"	1944	"$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	}	1945	}
1676		1946
1677	sub decay_objects {	1947	sub decay_objects {
1678	my ($self) = @_;	1948	my ($self) = @_;
1679		1949
…		…
1692		1962
1693	sub load_header_from($) {	1963	sub load_header_from($) {
1694	my ($self, $path) = @_;	1964	my ($self, $path) = @_;
1695		1965
1696	utf8::encode $path;	1966	utf8::encode $path;
1697	#aio_open $path, O_RDONLY, 0	1967	my $f = new_from_file cf::object::thawer $path
1698	# or return;
1699
1700	$self->_load_header ($path)
1701	or return;	1968	or return;
		1969
		1970	$self->_load_header ($f)
		1971	or return;
		1972
		1973	local $MAP_LOADING{$self->{path}} = $self;
		1974	$f->resolve_delayed_derefs;
1702		1975
1703	$self->{load_path} = $path;	1976	$self->{load_path} = $path;
1704		1977
1705	1	1978	1
1706	}	1979	}
…		…
1760	sub find {	2033	sub find {
1761	my ($path, $origin) = @_;	2034	my ($path, $origin) = @_;
1762		2035
1763	$path = normalise $path, $origin && $origin->path;	2036	$path = normalise $path, $origin && $origin->path;
1764		2037
		2038	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1765	cf::lock_wait "map_find:$path";	2039	my $guard2 = cf::lock_acquire "map_find:$path";
1766		2040
1767	$cf::MAP{$path} || do {	2041	$cf::MAP{$path} || do {
1768	my $guard = cf::lock_acquire "map_find:$path";
1769	my $map = new_from_path cf::map $path	2042	my $map = new_from_path cf::map $path
1770	or return;	2043	or return;
1771		2044
1772	$map->{last_save} = $cf::RUNTIME;	2045	$map->{last_save} = $cf::RUNTIME;
1773		2046
…		…
1775	or return;	2048	or return;
1776		2049
1777	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2050	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1778	# doing this can freeze the server in a sync job, obviously	2051	# doing this can freeze the server in a sync job, obviously
1779	#$cf::WAIT_FOR_TICK->wait;	2052	#$cf::WAIT_FOR_TICK->wait;
		2053	undef $guard2;
		2054	undef $guard1;
1780	$map->reset;	2055	$map->reset;
1781	undef $guard;
1782	return find $path;	2056	return find $path;
1783	}	2057	}
1784		2058
1785	$cf::MAP{$path} = $map	2059	$cf::MAP{$path} = $map
1786	}	2060	}
1787	}	2061	}
1788		2062
1789	sub pre_load { }	2063	sub pre_load { }
1790	sub post_load { }	2064	#sub post_load { } # XS
1791		2065
1792	sub load {	2066	sub load {
1793	my ($self) = @_;	2067	my ($self) = @_;
1794		2068
1795	local $self->{deny_reset} = 1; # loading can take a long time	2069	local $self->{deny_reset} = 1; # loading can take a long time
1796		2070
1797	my $path = $self->{path};	2071	my $path = $self->{path};
1798		2072
1799	{	2073	{
1800	my $guard = cf::lock_acquire "map_load:$path";	2074	my $guard = cf::lock_acquire "map_data:$path";
1801		2075
		2076	return unless $self->valid;
1802	return if $self->in_memory != cf::MAP_SWAPPED;	2077	return unless $self->in_memory == cf::MAP_SWAPPED;
1803		2078
1804	$self->in_memory (cf::MAP_LOADING);	2079	$self->in_memory (cf::MAP_LOADING);
1805		2080
1806	$self->alloc;	2081	$self->alloc;
1807		2082
1808	$self->pre_load;	2083	$self->pre_load;
1809	Coro::cede;	2084	cf::cede_to_tick;
1810		2085
		2086	my $f = new_from_file cf::object::thawer $self->{load_path};
		2087	$f->skip_block;
1811	$self->_load_objects ($self->{load_path}, 1)	2088	$self->_load_objects ($f)
1812	or return;	2089	or return;
1813		2090
1814	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2091	$self->post_load_original
1815	if delete $self->{load_original};	2092	if delete $self->{load_original};
1816		2093
1817	if (my $uniq = $self->uniq_path) {	2094	if (my $uniq = $self->uniq_path) {
1818	utf8::encode $uniq;	2095	utf8::encode $uniq;
1819	if (aio_open $uniq, O_RDONLY, 0) {	2096	unless (aio_stat $uniq) {
		2097	if (my $f = new_from_file cf::object::thawer $uniq) {
1820	$self->clear_unique_items;	2098	$self->clear_unique_items;
1821	$self->_load_objects ($uniq, 0);	2099	$self->_load_objects ($f);
		2100	$f->resolve_delayed_derefs;
		2101	}
1822	}	2102	}
1823	}	2103	}
1824		2104
1825	Coro::cede;	2105	$f->resolve_delayed_derefs;
		2106
		2107	cf::cede_to_tick;
1826	# now do the right thing for maps	2108	# now do the right thing for maps
1827	$self->link_multipart_objects;	2109	$self->link_multipart_objects;
1828	$self->difficulty ($self->estimate_difficulty)	2110	$self->difficulty ($self->estimate_difficulty)
1829	unless $self->difficulty;	2111	unless $self->difficulty;
1830	Coro::cede;	2112	cf::cede_to_tick;
1831		2113
1832	unless ($self->{deny_activate}) {	2114	unless ($self->{deny_activate}) {
1833	$self->decay_objects;	2115	$self->decay_objects;
1834	$self->fix_auto_apply;	2116	$self->fix_auto_apply;
1835	$self->update_buttons;	2117	$self->update_buttons;
1836	Coro::cede;	2118	cf::cede_to_tick;
1837	$self->set_darkness_map;
1838	Coro::cede;
1839	$self->activate;	2119	$self->activate;
1840	}	2120	}
1841		2121
		2122	$self->{last_save} = $cf::RUNTIME;
		2123	$self->last_access ($cf::RUNTIME);
		2124
1842	$self->in_memory (cf::MAP_IN_MEMORY);	2125	$self->in_memory (cf::MAP_ACTIVE);
1843	}	2126	}
1844		2127
1845	$self->post_load;	2128	$self->post_load;
1846	}	2129	}
1847		2130
		2131	# customize the map for a given player, i.e.
		2132	# return the _real_ map. used by e.g. per-player
		2133	# maps to change the path to ~playername/mappath
1848	sub customise_for {	2134	sub customise_for {
1849	my ($self, $ob) = @_;	2135	my ($self, $ob) = @_;
1850		2136
1851	return find "~" . $ob->name . "/" . $self->{path}	2137	return find "~" . $ob->name . "/" . $self->{path}
1852	if $self->per_player;	2138	if $self->per_player;
…		…
1856		2142
1857	$self	2143	$self
1858	}	2144	}
1859		2145
1860	# find and load all maps in the 3x3 area around a map	2146	# find and load all maps in the 3x3 area around a map
1861	sub load_diag {	2147	sub load_neighbours {
1862	my ($map) = @_;	2148	my ($map) = @_;
1863		2149
1864	my @diag; # diagonal neighbours	2150	my @neigh; # diagonal neighbours
1865		2151
1866	for (0 .. 3) {	2152	for (0 .. 3) {
1867	my $neigh = $map->tile_path ($_)	2153	my $neigh = $map->tile_path ($_)
1868	or next;	2154	or next;
1869	$neigh = find $neigh, $map	2155	$neigh = find $neigh, $map
1870	or next;	2156	or next;
1871	$neigh->load;	2157	$neigh->load;
1872		2158
		2159	push @neigh,
1873	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2160	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1874	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2161	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1875	}	2162	}
1876		2163
1877	for (@diag) {	2164	for (grep defined $_->[0], @neigh) {
		2165	my ($path, $origin) = @$_;
1878	my $neigh = find @$_	2166	my $neigh = find $path, $origin
1879	or next;	2167	or next;
1880	$neigh->load;	2168	$neigh->load;
1881	}	2169	}
1882	}	2170	}
1883		2171
…		…
1888	}	2176	}
1889		2177
1890	sub do_load_sync {	2178	sub do_load_sync {
1891	my ($map) = @_;	2179	my ($map) = @_;
1892		2180
		2181	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2182	if $Coro::current == $Coro::main;
		2183
1893	cf::sync_job { $map->load };	2184	cf::sync_job { $map->load };
1894	}	2185	}
1895		2186
1896	our %MAP_PREFETCH;	2187	our %MAP_PREFETCH;
1897	our $MAP_PREFETCHER = undef;	2188	our $MAP_PREFETCHER = undef;
1898		2189
1899	sub find_async {	2190	sub find_async {
1900	my ($path, $origin) = @_;	2191	my ($path, $origin, $load) = @_;
1901		2192
1902	$path = normalise $path, $origin && $origin->{path};	2193	$path = normalise $path, $origin && $origin->{path};
1903		2194
1904	if (my $map = $cf::MAP{$path}) {	2195	if (my $map = $cf::MAP{$path}) {
1905	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2196	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1906	}	2197	}
1907		2198
1908	undef $MAP_PREFETCH{$path};	2199	$MAP_PREFETCH{$path} |= $load;
		2200
1909	$MAP_PREFETCHER ||= cf::async {	2201	$MAP_PREFETCHER ||= cf::async {
		2202	$Coro::current->{desc} = "map prefetcher";
		2203
1910	while (%MAP_PREFETCH) {	2204	while (%MAP_PREFETCH) {
1911	for my $path (keys %MAP_PREFETCH) {	2205	while (my ($k, $v) = each %MAP_PREFETCH) {
1912	if (my $map = find $path) {	2206	if (my $map = find $k) {
1913	$map->load;	2207	$map->load if $v;
1914	}	2208	}
1915		2209
1916	delete $MAP_PREFETCH{$path};	2210	delete $MAP_PREFETCH{$k};
1917	}	2211	}
1918	}	2212	}
1919	undef $MAP_PREFETCHER;	2213	undef $MAP_PREFETCHER;
1920	};	2214	};
1921	$MAP_PREFETCHER->prio (6);	2215	$MAP_PREFETCHER->prio (6);
1922		2216
1923	()	2217	()
1924	}	2218	}
1925		2219
		2220	# common code, used by both ->save and ->swapout
1926	sub save {	2221	sub _save {
1927	my ($self) = @_;	2222	my ($self) = @_;
1928
1929	my $lock = cf::lock_acquire "map_data:" . $self->path;
1930		2223
1931	$self->{last_save} = $cf::RUNTIME;	2224	$self->{last_save} = $cf::RUNTIME;
1932		2225
1933	return unless $self->dirty;	2226	return unless $self->dirty;
1934		2227
…		…
1940	return if $self->{deny_save};	2233	return if $self->{deny_save};
1941		2234
1942	local $self->{last_access} = $self->last_access;#d#	2235	local $self->{last_access} = $self->last_access;#d#
1943		2236
1944	cf::async {	2237	cf::async {
		2238	$Coro::current->{desc} = "map player save";
1945	$_->contr->save for $self->players;	2239	$_->contr->save for $self->players;
1946	};	2240	};
		2241
		2242	cf::get_slot 0.02;
1947		2243
1948	if ($uniq) {	2244	if ($uniq) {
1949	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2245	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1950	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2246	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1951	} else {	2247	} else {
1952	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2248	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1953	}	2249	}
1954	}	2250	}
1955		2251
		2252	sub save {
		2253	my ($self) = @_;
		2254
		2255	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2256
		2257	$self->_save;
		2258	}
		2259
1956	sub swap_out {	2260	sub swap_out {
1957	my ($self) = @_;	2261	my ($self) = @_;
1958		2262
1959	# save first because save cedes
1960	$self->save;
1961
1962	my $lock = cf::lock_acquire "map_data:" . $self->path;	2263	my $lock = cf::lock_acquire "map_data:$self->{path}";
1963		2264
		2265	return if $self->in_memory != cf::MAP_ACTIVE;
		2266	return if $self->{deny_save};
1964	return if $self->players;	2267	return if $self->players;
1965	return if $self->in_memory != cf::MAP_IN_MEMORY;
1966	return if $self->{deny_save};
1967		2268
		2269	# first deactivate the map and "unlink" it from the core
		2270	$self->deactivate;
		2271	$_->clear_links_to ($self) for values %cf::MAP;
		2272	$self->in_memory (cf::MAP_SWAPPED);
		2273
		2274	# then atomically save
		2275	$self->_save;
		2276
		2277	# then free the map
1968	$self->clear;	2278	$self->clear;
1969	$self->in_memory (cf::MAP_SWAPPED);
1970	}	2279	}
1971		2280
1972	sub reset_at {	2281	sub reset_at {
1973	my ($self) = @_;	2282	my ($self) = @_;
1974		2283
…		…
1992		2301
1993	my $lock = cf::lock_acquire "map_data:$self->{path}";	2302	my $lock = cf::lock_acquire "map_data:$self->{path}";
1994		2303
1995	return if $self->players;	2304	return if $self->players;
1996		2305
1997	warn "resetting map ", $self->path;	2306	warn "resetting map ", $self->path, "\n";
1998		2307
1999	$self->in_memory (cf::MAP_SWAPPED);	2308	$self->in_memory (cf::MAP_SWAPPED);
2000		2309
2001	# need to save uniques path	2310	# need to save uniques path
2002	unless ($self->{deny_save}) {	2311	unless ($self->{deny_save}) {
…		…
2006	if $uniq;	2315	if $uniq;
2007	}	2316	}
2008		2317
2009	delete $cf::MAP{$self->path};	2318	delete $cf::MAP{$self->path};
2010		2319
		2320	$self->deactivate;
		2321	$_->clear_links_to ($self) for values %cf::MAP;
2011	$self->clear;	2322	$self->clear;
2012
2013	$_->clear_links_to ($self) for values %cf::MAP;
2014		2323
2015	$self->unlink_save;	2324	$self->unlink_save;
2016	$self->destroy;	2325	$self->destroy;
2017	}	2326	}
2018		2327
2019	my $nuke_counter = "aaaa";	2328	my $nuke_counter = "aaaa";
2020		2329
2021	sub nuke {	2330	sub nuke {
2022	my ($self) = @_;	2331	my ($self) = @_;
2023		2332
		2333	{
		2334	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2335
2024	delete $cf::MAP{$self->path};	2336	delete $cf::MAP{$self->path};
2025		2337
2026	$self->unlink_save;	2338	$self->unlink_save;
2027		2339
2028	bless $self, "cf::map";	2340	bless $self, "cf::map";
2029	delete $self->{deny_reset};	2341	delete $self->{deny_reset};
2030	$self->{deny_save} = 1;	2342	$self->{deny_save} = 1;
2031	$self->reset_timeout (1);	2343	$self->reset_timeout (1);
2032	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2344	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2033		2345
2034	$cf::MAP{$self->path} = $self;	2346	$cf::MAP{$self->path} = $self;
		2347	}
2035		2348
2036	$self->reset; # polite request, might not happen	2349	$self->reset; # polite request, might not happen
2037	}	2350	}
2038		2351
2039	=item $maps = cf::map::tmp_maps	2352	=item $maps = cf::map::tmp_maps
…		…
2081		2394
2082	sub unique_maps() {	2395	sub unique_maps() {
2083	[	2396	[
2084	map {	2397	map {
2085	utf8::decode $_;	2398	utf8::decode $_;
2086	/\.map$/	2399	s/\.map$//; # TODO future compatibility hack
		2400	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2401	? ()
2087	? normalise $_	2402	: normalise $_
2088	: ()
2089	} @{ aio_readdir $UNIQUEDIR or [] }	2403	} @{ aio_readdir $UNIQUEDIR or [] }
2090	]	2404	]
2091	}	2405	}
2092		2406
2093	package cf;	2407	=item cf::map::static_maps
		2408
		2409	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2410	file in the shared directory excluding F</styles> and F</editor>). May
		2411	block.
		2412
		2413	=cut
		2414
		2415	sub static_maps() {
		2416	my @dirs = "";
		2417	my @maps;
		2418
		2419	while (@dirs) {
		2420	my $dir = shift @dirs;
		2421
		2422	next if $dir eq "/styles" || $dir eq "/editor";
		2423
		2424	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2425	or return;
		2426
		2427	for (@$files) {
		2428	s/\.map$// or next;
		2429	utf8::decode $_;
		2430	push @maps, "$dir/$_";
		2431	}
		2432
		2433	push @dirs, map "$dir/$_", @$dirs;
		2434	}
		2435
		2436	\@maps
		2437	}
2094		2438
2095	=back	2439	=back
2096		2440
2097	=head3 cf::object	2441	=head3 cf::object
2098		2442
…		…
2102		2446
2103	=over 4	2447	=over 4
2104		2448
2105	=item $ob->inv_recursive	2449	=item $ob->inv_recursive
2106		2450
2107	Returns the inventory of the object _and_ their inventories, recursively.	2451	Returns the inventory of the object I<and> their inventories, recursively,
		2452	but I<not> the object itself.
2108		2453
2109	=cut	2454	=cut
2110		2455
2111	sub inv_recursive_;	2456	sub inv_recursive_;
2112	sub inv_recursive_ {	2457	sub inv_recursive_ {
…		…
2115		2460
2116	sub inv_recursive {	2461	sub inv_recursive {
2117	inv_recursive_ inv $_[0]	2462	inv_recursive_ inv $_[0]
2118	}	2463	}
2119		2464
		2465	=item $ref = $ob->ref
		2466
		2467	Creates and returns a persistent reference to an object that can be stored as a string.
		2468
		2469	=item $ob = cf::object::deref ($refstring)
		2470
		2471	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2472	even if the object actually exists. May block.
		2473
		2474	=cut
		2475
		2476	sub deref {
		2477	my ($ref) = @_;
		2478
		2479	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2480	my ($uuid, $name) = ($1, $2);
		2481	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2482	or return;
		2483	$pl->ob->uuid eq $uuid
		2484	or return;
		2485
		2486	$pl->ob
		2487	} else {
		2488	warn "$ref: cannot resolve object reference\n";
		2489	undef
		2490	}
		2491	}
		2492
2120	package cf;	2493	package cf;
2121		2494
2122	=back	2495	=back
2123		2496
2124	=head3 cf::object::player	2497	=head3 cf::object::player
…		…
2130	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2503	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	2504	can be C<undef>. Does the right thing when the player is currently in a
2132	dialogue with the given NPC character.	2505	dialogue with the given NPC character.
2133		2506
2134	=cut	2507	=cut
		2508
		2509	our $SAY_CHANNEL = {
		2510	id => "say",
		2511	title => "Map",
		2512	reply => "say ",
		2513	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2514	};
		2515
		2516	our $CHAT_CHANNEL = {
		2517	id => "chat",
		2518	title => "Chat",
		2519	reply => "chat ",
		2520	tooltip => "Player chat and shouts, global to the server.",
		2521	};
2135		2522
2136	# rough implementation of a future "reply" method that works	2523	# rough implementation of a future "reply" method that works
2137	# with dialog boxes.	2524	# with dialog boxes.
2138	#TODO: the first argument must go, split into a $npc->reply_to ( method	2525	#TODO: the first argument must go, split into a $npc->reply_to ( method
2139	sub cf::object::player::reply($$$;$) {	2526	sub cf::object::player::reply($$$;$) {
…		…
2146		2533
2147	} else {	2534	} else {
2148	my $pl = $self->contr;	2535	my $pl = $self->contr;
2149		2536
2150	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2537	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2151	my $diag = $pl->{npc_dialog};	2538	my $dialog = $pl->{npc_dialog};
2152	$diag->{pl}->ext_reply (	2539	$dialog->{pl}->ext_msg ($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		2540
2159	} else {	2541	} else {
2160	$msg = $npc->name . " says: $msg" if $npc;	2542	$msg = $npc->name . " says: $msg" if $npc;
2161	$self->message ($msg, $flags);	2543	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2162	}	2544	}
2163	}	2545	}
		2546	}
		2547
		2548	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2549
		2550	=cut
		2551
		2552	sub cf::object::send_msg {
		2553	my $pl = shift->contr
		2554	or return;
		2555	$pl->send_msg (@_);
2164	}	2556	}
2165		2557
2166	=item $player_object->may ("access")	2558	=item $player_object->may ("access")
2167		2559
2168	Returns wether the given player is authorized to access resource "access"	2560	Returns wether the given player is authorized to access resource "access"
…		…
2181		2573
2182	=item $player_object->enter_link	2574	=item $player_object->enter_link
2183		2575
2184	Freezes the player and moves him/her to a special map (C<{link}>).	2576	Freezes the player and moves him/her to a special map (C<{link}>).
2185		2577
2186	The player should be reasonably safe there for short amounts of time. You	2578	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.	2579	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2580	though, as the palyer cannot control the character while it is on the link
		2581	map.
2188		2582
2189	Will never block.	2583	Will never block.
2190		2584
2191	=item $player_object->leave_link ($map, $x, $y)	2585	=item $player_object->leave_link ($map, $x, $y)
2192		2586
…		…
2217	return if UNIVERSAL::isa $self->map, "ext::map_link";	2611	return if UNIVERSAL::isa $self->map, "ext::map_link";
2218		2612
2219	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2613	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2220	if $self->map && $self->map->{path} ne "{link}";	2614	if $self->map && $self->map->{path} ne "{link}";
2221		2615
2222	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2616	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2223	}	2617	}
2224		2618
2225	sub cf::object::player::leave_link {	2619	sub cf::object::player::leave_link {
2226	my ($self, $map, $x, $y) = @_;	2620	my ($self, $map, $x, $y) = @_;
2227		2621
…		…
2244	($x, $y) = (-1, -1)	2638	($x, $y) = (-1, -1)
2245	unless (defined $x) && (defined $y);	2639	unless (defined $x) && (defined $y);
2246		2640
2247	# use -1 or undef as default coordinates, not 0, 0	2641	# use -1 or undef as default coordinates, not 0, 0
2248	($x, $y) = ($map->enter_x, $map->enter_y)	2642	($x, $y) = ($map->enter_x, $map->enter_y)
2249	if $x <=0 && $y <= 0;	2643	if $x <= 0 && $y <= 0;
2250		2644
2251	$map->load;	2645	$map->load;
2252	$map->load_diag;	2646	$map->load_neighbours;
2253		2647
2254	return unless $self->contr->active;	2648	return unless $self->contr->active;
2255	$self->activate_recursive;
2256		2649
2257	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2650	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2258	$self->enter_map ($map, $x, $y);	2651	$self->enter_map ($map, $x, $y);
		2652
		2653	# only activate afterwards, to support waiting in hooks
		2654	$self->activate_recursive;
2259	}	2655	}
2260		2656
2261	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2657	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2262		2658
2263	Moves the player to the given map-path and coordinates by first freezing	2659	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	2660	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	2661	that has to return the map if sucecssful, and then unfreezes the player on
2266	the new (success) or old (failed) map position. In either case, $done will	2662	the new (success) or old (failed) map position. In either case, $done will
2267	be called at the end of this process.	2663	be called at the end of this process.
2268		2664
		2665	Note that $check will be called with a potentially non-loaded map, so if
		2666	it needs a loaded map it has to call C<< ->load >>.
		2667
2269	=cut	2668	=cut
2270		2669
2271	our $GOTOGEN;	2670	our $GOTOGEN;
2272		2671
2273	sub cf::object::player::goto {	2672	sub cf::object::player::goto {
…		…
2277	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2676	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2278		2677
2279	$self->enter_link;	2678	$self->enter_link;
2280		2679
2281	(async {	2680	(async {
		2681	$Coro::current->{desc} = "player::goto $path $x $y";
		2682
		2683	# *tag paths override both path and x|y
		2684	if ($path =~ /^\*(.*)$/) {
		2685	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2686	my $ob = $obs[rand @obs];
		2687
		2688	# see if we actually can go there
		2689	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2690	$ob = $obs[rand @obs];
		2691	} else {
		2692	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2693	}
		2694	# else put us there anyways for now #d#
		2695
		2696	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2697	} else {
		2698	($path, $x, $y) = (undef, undef, undef);
		2699	}
		2700	}
		2701
2282	my $map = eval {	2702	my $map = eval {
2283	my $map = cf::map::find $path;	2703	my $map = defined $path ? cf::map::find $path : undef;
2284		2704
2285	if ($map) {	2705	if ($map) {
2286	$map = $map->customise_for ($self);	2706	$map = $map->customise_for ($self);
2287	$map = $check->($map) if $check && $map;	2707	$map = $check->($map) if $check && $map;
2288	} else {	2708	} else {
2289	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2709	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2290	}	2710	}
2291		2711
2292	$map	2712	$map
2293	};	2713	};
2294		2714
…		…
2330	}	2750	}
2331		2751
2332	sub prepare_random_map {	2752	sub prepare_random_map {
2333	my ($exit) = @_;	2753	my ($exit) = @_;
2334		2754
2335	my $guard = cf::lock_acquire "exit_prepare:$exit";
2336
2337	# all this does is basically replace the /! path by	2755	# all this does is basically replace the /! path by
2338	# a new random map path (?random/...) with a seed	2756	# a new random map path (?random/...) with a seed
2339	# that depends on the exit object	2757	# that depends on the exit object
2340		2758
2341	my $rmp = parse_random_map_params $exit->msg;	2759	my $rmp = parse_random_map_params $exit->msg;
…		…
2343	if ($exit->map) {	2761	if ($exit->map) {
2344	$rmp->{region} = $exit->region->name;	2762	$rmp->{region} = $exit->region->name;
2345	$rmp->{origin_map} = $exit->map->path;	2763	$rmp->{origin_map} = $exit->map->path;
2346	$rmp->{origin_x} = $exit->x;	2764	$rmp->{origin_x} = $exit->x;
2347	$rmp->{origin_y} = $exit->y;	2765	$rmp->{origin_y} = $exit->y;
		2766
		2767	$exit->map->touch;
2348	}	2768	}
2349		2769
2350	$rmp->{random_seed} ||= $exit->random_seed;	2770	$rmp->{random_seed} ||= $exit->random_seed;
2351		2771
2352	my $data = cf::to_json $rmp;	2772	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2353	my $md5 = Digest::MD5::md5_hex $data;	2773	my $md5 = Digest::MD5::md5_hex $data;
2354	my $meta = "$RANDOMDIR/$md5.meta";	2774	my $meta = "$RANDOMDIR/$md5.meta";
2355		2775
2356	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2776	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2357	aio_write $fh, 0, (length $data), $data, 0;	2777	aio_write $fh, 0, (length $data), $data, 0;
2358	undef $fh;	2778	undef $fh;
2359	aio_rename "$meta~", $meta;	2779	aio_rename "$meta~", $meta;
2360		2780
		2781	my $slaying = "?random/$md5";
		2782
		2783	if ($exit->valid) {
2361	$exit->slaying ("?random/$md5");	2784	$exit->slaying ("?random/$md5");
2362	$exit->msg (undef);	2785	$exit->msg (undef);
		2786	}
2363	}	2787	}
2364	}	2788	}
2365		2789
2366	sub cf::object::player::enter_exit {	2790	sub cf::object::player::enter_exit {
2367	my ($self, $exit) = @_;	2791	my ($self, $exit) = @_;
2368		2792
2369	return unless $self->type == cf::PLAYER;	2793	return unless $self->type == cf::PLAYER;
2370		2794
2371	if ($exit->slaying eq "/!") {
2372	#TODO: this should de-fi-ni-te-ly not be a sync-job
2373	# the problem is that $exit might not survive long enough
2374	# so it needs to be done right now, right here
2375	cf::sync_job { prepare_random_map $exit };
2376	}
2377
2378	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2379	my $hp = $exit->stats->hp;
2380	my $sp = $exit->stats->sp;
2381
2382	$self->enter_link;	2795	$self->enter_link;
2383		2796
2384	# if exit is damned, update players death & WoR home-position
2385	$self->contr->savebed ($slaying, $hp, $sp)
2386	if $exit->flag (FLAG_DAMNED);
2387
2388	(async {	2797	(async {
2389	$self->deactivate_recursive; # just to be sure	2798	$Coro::current->{desc} = "enter_exit";
		2799
2390	unless (eval {	2800	unless (eval {
		2801	$self->deactivate_recursive; # just to be sure
		2802
		2803	# random map handling
		2804	{
		2805	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2806
		2807	prepare_random_map $exit
		2808	if $exit->slaying eq "/!";
		2809	}
		2810
		2811	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2812	my $x = $exit->stats->hp;
		2813	my $y = $exit->stats->sp;
		2814
2391	$self->goto ($slaying, $hp, $sp);	2815	$self->goto ($map, $x, $y);
2392		2816
		2817	# if exit is damned, update players death & WoR home-position
		2818	$self->contr->savebed ($map, $x, $y)
		2819	if $exit->flag (cf::FLAG_DAMNED);
		2820
2393	1;	2821	1
2394	}) {	2822	}) {
2395	$self->message ("Something went wrong deep within the crossfire server. "	2823	$self->message ("Something went wrong deep within the deliantra server. "
2396	. "I'll try to bring you back to the map you were before. "	2824	. "I'll try to bring you back to the map you were before. "
2397	. "Please report this to the dungeon master!",	2825	. "Please report this to the dungeon master!",
2398	cf::NDI_UNIQUE | cf::NDI_RED);	2826	cf::NDI_UNIQUE | cf::NDI_RED);
2399		2827
2400	warn "ERROR in enter_exit: $@";	2828	warn "ERROR in enter_exit: $@";
…		…
2419		2847
2420	utf8::encode $text;	2848	utf8::encode $text;
2421	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2849	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2422	}	2850	}
2423		2851
		2852	=item $client->send_big_packet ($pkt)
		2853
		2854	Like C<send_packet>, but tries to compress large packets, and fragments
		2855	them as required.
		2856
		2857	=cut
		2858
		2859	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2860
		2861	sub cf::client::send_big_packet {
		2862	my ($self, $pkt) = @_;
		2863
		2864	# try lzf for large packets
		2865	$pkt = "lzf " . Compress::LZF::compress $pkt
		2866	if 1024 <= length $pkt and $self->{can_lzf};
		2867
		2868	# split very large packets
		2869	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2870	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2871	$pkt = "frag";
		2872	}
		2873
		2874	$self->send_packet ($pkt);
		2875	}
		2876
2424	=item $client->send_msg ($color, $type, $msg, [extra...])	2877	=item $client->send_msg ($channel, $msg, $color, [extra...])
2425		2878
2426	Send a drawinfo or msg packet to the client, formatting the msg for the	2879	Send a drawinfo or msg packet to the client, formatting the msg for the
2427	client if neccessary. C<$type> should be a string identifying the type of	2880	client if neccessary. C<$type> should be a string identifying the type of
2428	the message, with C<log> being the default. If C<$color> is negative, suppress	2881	the message, with C<log> being the default. If C<$color> is negative, suppress
2429	the message unless the client supports the msg packet.	2882	the message unless the client supports the msg packet.
2430		2883
2431	=cut	2884	=cut
2432		2885
		2886	# non-persistent channels (usually the info channel)
		2887	our %CHANNEL = (
		2888	"c/motd" => {
		2889	id => "infobox",
		2890	title => "MOTD",
		2891	reply => undef,
		2892	tooltip => "The message of the day",
		2893	},
		2894	"c/identify" => {
		2895	id => "infobox",
		2896	title => "Identify",
		2897	reply => undef,
		2898	tooltip => "Items recently identified",
		2899	},
		2900	"c/examine" => {
		2901	id => "infobox",
		2902	title => "Examine",
		2903	reply => undef,
		2904	tooltip => "Signs and other items you examined",
		2905	},
		2906	"c/shopinfo" => {
		2907	id => "infobox",
		2908	title => "Shop Info",
		2909	reply => undef,
		2910	tooltip => "What your bargaining skill tells you about the shop",
		2911	},
		2912	"c/book" => {
		2913	id => "infobox",
		2914	title => "Book",
		2915	reply => undef,
		2916	tooltip => "The contents of a note or book",
		2917	},
		2918	"c/lookat" => {
		2919	id => "infobox",
		2920	title => "Look",
		2921	reply => undef,
		2922	tooltip => "What you saw there",
		2923	},
		2924	"c/who" => {
		2925	id => "infobox",
		2926	title => "Players",
		2927	reply => undef,
		2928	tooltip => "Shows players who are currently online",
		2929	},
		2930	"c/body" => {
		2931	id => "infobox",
		2932	title => "Body Parts",
		2933	reply => undef,
		2934	tooltip => "Shows which body parts you posess and are available",
		2935	},
		2936	"c/statistics" => {
		2937	id => "infobox",
		2938	title => "Statistics",
		2939	reply => undef,
		2940	tooltip => "Shows your primary statistics",
		2941	},
		2942	"c/skills" => {
		2943	id => "infobox",
		2944	title => "Skills",
		2945	reply => undef,
		2946	tooltip => "Shows your experience per skill and item power",
		2947	},
		2948	"c/shopitems" => {
		2949	id => "infobox",
		2950	title => "Shop Items",
		2951	reply => undef,
		2952	tooltip => "Shows the items currently for sale in this shop",
		2953	},
		2954	"c/resistances" => {
		2955	id => "infobox",
		2956	title => "Resistances",
		2957	reply => undef,
		2958	tooltip => "Shows your resistances",
		2959	},
		2960	"c/pets" => {
		2961	id => "infobox",
		2962	title => "Pets",
		2963	reply => undef,
		2964	tooltip => "Shows information abotu your pets/a specific pet",
		2965	},
		2966	"c/perceiveself" => {
		2967	id => "infobox",
		2968	title => "Perceive Self",
		2969	reply => undef,
		2970	tooltip => "You gained detailed knowledge about yourself",
		2971	},
		2972	"c/uptime" => {
		2973	id => "infobox",
		2974	title => "Uptime",
		2975	reply => undef,
		2976	tooltip => "How long the server has been running since last restart",
		2977	},
		2978	"c/mapinfo" => {
		2979	id => "infobox",
		2980	title => "Map Info",
		2981	reply => undef,
		2982	tooltip => "Information related to the maps",
		2983	},
		2984	"c/party" => {
		2985	id => "party",
		2986	title => "Party",
		2987	reply => "gsay ",
		2988	tooltip => "Messages and chat related to your party",
		2989	},
		2990	"c/death" => {
		2991	id => "death",
		2992	title => "Death",
		2993	reply => undef,
		2994	tooltip => "Reason for and more info about your most recent death",
		2995	},
		2996	"c/say" => $SAY_CHANNEL,
		2997	"c/chat" => $CHAT_CHANNEL,
		2998	);
		2999
2433	sub cf::client::send_msg {	3000	sub cf::client::send_msg {
2434	my ($self, $color, $type, $msg, @extra) = @_;	3001	my ($self, $channel, $msg, $color, @extra) = @_;
2435		3002
2436	$msg = $self->pl->expand_cfpod ($msg);	3003	$msg = $self->pl->expand_cfpod ($msg)
		3004	unless $color & cf::NDI_VERBATIM;
		3005
		3006	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3007
		3008	# check predefined channels, for the benefit of C
		3009	if ($CHANNEL{$channel}) {
		3010	$channel = $CHANNEL{$channel};
		3011
		3012	$self->ext_msg (channel_info => $channel);
		3013	$channel = $channel->{id};
		3014
		3015	} elsif (ref $channel) {
		3016	# send meta info to client, if not yet sent
		3017	unless (exists $self->{channel}{$channel->{id}}) {
		3018	$self->{channel}{$channel->{id}} = $channel;
		3019	$self->ext_msg (channel_info => $channel);
		3020	}
		3021
		3022	$channel = $channel->{id};
		3023	}
2437		3024
2438	return unless @extra || length $msg;	3025	return unless @extra || length $msg;
2439		3026
2440	if ($self->can_msg) {	3027	# default colour, mask it out
2441	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	3028	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2442	} else {	3029	if $color & cf::NDI_DEF;
2443	# replace some tags by gcfclient-compatible ones
2444	for ($msg) {
2445	1 while
2446	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2447	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2448	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2449	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2450	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2451	}
2452		3030
2453	if ($color >= 0) {	3031	my $pkt = "msg "
2454	if (0 && $msg =~ /\[/) {	3032	. $self->{json_coder}->encode (
2455	$self->send_packet ("drawextinfo $color 4 0 $msg")	3033	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2456	} else {	3034	);
2457	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2458	$self->send_packet ("drawinfo $color $msg")
2459	}
2460	}
2461	}
2462	}
2463		3035
		3036	$self->send_big_packet ($pkt);
		3037	}
		3038
2464	=item $client->ext_event ($type, %msg)	3039	=item $client->ext_msg ($type, @msg)
2465		3040
2466	Sends an ext event to the client.	3041	Sends an ext event to the client.
2467		3042
2468	=cut	3043	=cut
2469		3044
2470	sub cf::client::ext_event($$%) {	3045	sub cf::client::ext_msg($$@) {
2471	my ($self, $type, %msg) = @_;	3046	my ($self, $type, @msg) = @_;
2472		3047
2473	return unless $self->extcmd;	3048	if ($self->extcmd == 2) {
2474		3049	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3050	} elsif ($self->extcmd == 1) { # TODO: remove
2475	$msg{msgtype} = "event_$type";	3051	push @msg, msgtype => "event_$type";
2476	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3052	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3053	}
		3054	}
		3055
		3056	=item $client->ext_reply ($msgid, @msg)
		3057
		3058	Sends an ext reply to the client.
		3059
		3060	=cut
		3061
		3062	sub cf::client::ext_reply($$@) {
		3063	my ($self, $id, @msg) = @_;
		3064
		3065	if ($self->extcmd == 2) {
		3066	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3067	} elsif ($self->extcmd == 1) {
		3068	#TODO: version 1, remove
		3069	unshift @msg, msgtype => "reply", msgid => $id;
		3070	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3071	}
2477	}	3072	}
2478		3073
2479	=item $success = $client->query ($flags, "text", \&cb)	3074	=item $success = $client->query ($flags, "text", \&cb)
2480		3075
2481	Queues a query to the client, calling the given callback with	3076	Queues a query to the client, calling the given callback with
…		…
2536	my ($ns, $buf) = @_;	3131	my ($ns, $buf) = @_;
2537		3132
2538	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3133	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2539		3134
2540	if (ref $msg) {	3135	if (ref $msg) {
		3136	my ($type, $reply, @payload) =
		3137	"ARRAY" eq ref $msg
		3138	? @$msg
		3139	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3140
		3141	my @reply;
		3142
2541	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3143	if (my $cb = $EXTICMD{$type}) {
2542	if (my %reply = $cb->($ns, $msg)) {	3144	@reply = $cb->($ns, @payload);
2543	$reply{msgid} = $msg->{msgid};
2544	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2545	}
2546	}	3145	}
		3146
		3147	$ns->ext_reply ($reply, @reply)
		3148	if $reply;
		3149
2547	} else {	3150	} else {
2548	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3151	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2549	}	3152	}
2550		3153
2551	cf::override;	3154	cf::override;
…		…
2573		3176
2574	$coro	3177	$coro
2575	}	3178	}
2576		3179
2577	cf::client->attach (	3180	cf::client->attach (
2578	on_destroy => sub {	3181	on_client_destroy => sub {
2579	my ($ns) = @_;	3182	my ($ns) = @_;
2580		3183
2581	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3184	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2582	},	3185	},
2583	);	3186	);
…		…
2598	our $safe = new Safe "safe";	3201	our $safe = new Safe "safe";
2599	our $safe_hole = new Safe::Hole;	3202	our $safe_hole = new Safe::Hole;
2600		3203
2601	$SIG{FPE} = 'IGNORE';	3204	$SIG{FPE} = 'IGNORE';
2602		3205
2603	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3206	$safe->permit_only (Opcode::opset qw(
		3207	:base_core :base_mem :base_orig :base_math :base_loop
		3208	grepstart grepwhile mapstart mapwhile
		3209	sort time
		3210	));
2604		3211
2605	# here we export the classes and methods available to script code	3212	# here we export the classes and methods available to script code
2606		3213
2607	=pod	3214	=pod
2608		3215
2609	The following functions and methods are available within a safe environment:	3216	The following functions and methods are available within a safe environment:
2610		3217
2611	cf::object	3218	cf::object
2612	contr pay_amount pay_player map x y force_find force_add	3219	contr pay_amount pay_player map x y force_find force_add destroy
2613	insert remove	3220	insert remove name archname title slaying race decrease split
		3221	value
2614		3222
2615	cf::object::player	3223	cf::object::player
2616	player	3224	player
2617		3225
2618	cf::player	3226	cf::player
…		…
2623		3231
2624	=cut	3232	=cut
2625		3233
2626	for (	3234	for (
2627	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3235	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2628	insert remove)],	3236	insert remove inv nrof name archname title slaying race
		3237	decrease split destroy change_exp value msg lore send_msg)],
2629	["cf::object::player" => qw(player)],	3238	["cf::object::player" => qw(player)],
2630	["cf::player" => qw(peaceful)],	3239	["cf::player" => qw(peaceful send_msg)],
2631	["cf::map" => qw(trigger)],	3240	["cf::map" => qw(trigger)],
2632	) {	3241	) {
2633	no strict 'refs';	3242	no strict 'refs';
2634	my ($pkg, @funs) = @$_;	3243	my ($pkg, @funs) = @$_;
2635	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3244	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2653		3262
2654	my $qcode = $code;	3263	my $qcode = $code;
2655	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3264	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2656	$qcode =~ s/\n/\\n/g;	3265	$qcode =~ s/\n/\\n/g;
2657		3266
		3267	%vars = (_dummy => 0) unless %vars;
		3268
		3269	my @res;
2658	local $_;	3270	local $_;
2659	local @safe::cf::_safe_eval_args = values %vars;
2660		3271
2661	my $eval =	3272	my $eval =
2662	"do {\n"	3273	"do {\n"
2663	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3274	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2664	. "#line 0 \"{$qcode}\"\n"	3275	. "#line 0 \"{$qcode}\"\n"
2665	. $code	3276	. $code
2666	. "\n}"	3277	. "\n}"
2667	;	3278	;
2668		3279
		3280	if ($CFG{safe_eval}) {
2669	sub_generation_inc;	3281	sub_generation_inc;
		3282	local @safe::cf::_safe_eval_args = values %vars;
2670	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3283	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2671	sub_generation_inc;	3284	sub_generation_inc;
		3285	} else {
		3286	local @cf::_safe_eval_args = values %vars;
		3287	@res = wantarray ? eval eval : scalar eval $eval;
		3288	}
2672		3289
2673	if ($@) {	3290	if ($@) {
2674	warn "$@";	3291	warn "$@";
2675	warn "while executing safe code '$code'\n";	3292	warn "while executing safe code '$code'\n";
2676	warn "with arguments " . (join " ", %vars) . "\n";	3293	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2695	=cut	3312	=cut
2696		3313
2697	sub register_script_function {	3314	sub register_script_function {
2698	my ($fun, $cb) = @_;	3315	my ($fun, $cb) = @_;
2699		3316
2700	no strict 'refs';	3317	$fun = "safe::$fun" if $CFG{safe_eval};
2701	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3318	*$fun = $safe_hole->wrap ($cb);
2702	}	3319	}
2703		3320
2704	=back	3321	=back
2705		3322
2706	=cut	3323	=cut
…		…
2708	#############################################################################	3325	#############################################################################
2709	# the server's init and main functions	3326	# the server's init and main functions
2710		3327
2711	sub load_facedata($) {	3328	sub load_facedata($) {
2712	my ($path) = @_;	3329	my ($path) = @_;
		3330
		3331	# HACK to clear player env face cache, we need some signal framework
		3332	# for this (global event?)
		3333	%ext::player_env::MUSIC_FACE_CACHE = ();
		3334
		3335	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2713		3336
2714	warn "loading facedata from $path\n";	3337	warn "loading facedata from $path\n";
2715		3338
2716	my $facedata;	3339	my $facedata;
2717	0 < aio_load $path, $facedata	3340	0 < aio_load $path, $facedata
…		…
2720	$facedata = Coro::Storable::thaw $facedata;	3343	$facedata = Coro::Storable::thaw $facedata;
2721		3344
2722	$facedata->{version} == 2	3345	$facedata->{version} == 2
2723	or cf::cleanup "$path: version mismatch, cannot proceed.";	3346	or cf::cleanup "$path: version mismatch, cannot proceed.";
2724		3347
		3348	# patch in the exptable
		3349	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3350	$facedata->{resource}{"res/exp_table"} = {
		3351	type => FT_RSRC,
		3352	data => $exp_table,
		3353	hash => (Digest::MD5::md5 $exp_table),
		3354	};
		3355	cf::cede_to_tick;
		3356
2725	{	3357	{
2726	my $faces = $facedata->{faceinfo};	3358	my $faces = $facedata->{faceinfo};
2727		3359
2728	while (my ($face, $info) = each %$faces) {	3360	while (my ($face, $info) = each %$faces) {
2729	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3361	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3362
2730	cf::face::set_visibility $idx, $info->{visibility};	3363	cf::face::set_visibility $idx, $info->{visibility};
2731	cf::face::set_magicmap $idx, $info->{magicmap};	3364	cf::face::set_magicmap $idx, $info->{magicmap};
2732	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3365	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2733	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3366	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2734		3367
2735	cf::cede_to_tick;	3368	cf::cede_to_tick;
2736	}	3369	}
2737		3370
2738	while (my ($face, $info) = each %$faces) {	3371	while (my ($face, $info) = each %$faces) {
2739	next unless $info->{smooth};	3372	next unless $info->{smooth};
		3373
2740	my $idx = cf::face::find $face	3374	my $idx = cf::face::find $face
2741	or next;	3375	or next;
		3376
2742	if (my $smooth = cf::face::find $info->{smooth}) {	3377	if (my $smooth = cf::face::find $info->{smooth}) {
2743	cf::face::set_smooth $idx, $smooth;	3378	cf::face::set_smooth $idx, $smooth;
2744	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3379	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2745	} else {	3380	} else {
2746	warn "smooth face '$info->{smooth}' not found for face '$face'";	3381	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2760		3395
2761	cf::anim::invalidate_all; # d'oh	3396	cf::anim::invalidate_all; # d'oh
2762	}	3397	}
2763		3398
2764	{	3399	{
2765	# TODO: for gcfclient pleasure, we should give resources
2766	# that gcfclient doesn't grok a >10000 face index.
2767	my $res = $facedata->{resource};	3400	my $res = $facedata->{resource};
2768	my $enc = JSON::XS->new->utf8->canonical;
2769		3401
2770	while (my ($name, $info) = each %$res) {	3402	while (my ($name, $info) = each %$res) {
2771	my $meta = $enc->encode ({	3403	if (defined $info->{type}) {
2772	name => $name,
2773	type => $info->{type},
2774	copyright => $info->{copyright}, #TODO#
2775	});
2776
2777	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3404	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2778		3405
2779	if ($name =~ /\.jpg$/) {
2780	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack	3406	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
2781	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack	3407	cf::face::set_type $idx, $info->{type};
2782	} else {	3408	} else {
2783	my $data = pack "(w/a*)*", $meta, $info->{data};	3409	$RESOURCE{$name} = $info;
2784	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2785
2786	cf::face::set_type $idx, 1;
2787	cf::face::set_data $idx, 0, $data, $chk;
2788	}	3410	}
2789		3411
2790	cf::cede_to_tick;	3412	cf::cede_to_tick;
2791	}	3413	}
2792	}	3414	}
2793		3415
		3416	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3417
2794	1	3418	1
2795	}	3419	}
2796		3420
		3421	cf::global->attach (on_resource_update => sub {
		3422	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3423	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3424
		3425	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3426	my $sound = $soundconf->{compat}[$_]
		3427	or next;
		3428
		3429	my $face = cf::face::find "sound/$sound->[1]";
		3430	cf::sound::set $sound->[0] => $face;
		3431	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3432	}
		3433
		3434	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3435	my $face = cf::face::find "sound/$v";
		3436	cf::sound::set $k => $face;
		3437	}
		3438	}
		3439	});
		3440
		3441	register_exticmd fx_want => sub {
		3442	my ($ns, $want) = @_;
		3443
		3444	while (my ($k, $v) = each %$want) {
		3445	$ns->fx_want ($k, $v);
		3446	}
		3447	};
		3448
		3449	sub load_resource_file($) {
		3450	my $guard = lock_acquire "load_resource_file";
		3451
		3452	my $status = load_resource_file_ $_[0];
		3453	get_slot 0.1, 100;
		3454	cf::arch::commit_load;
		3455
		3456	$status
		3457	}
		3458
2797	sub reload_regions {	3459	sub reload_regions {
		3460	# HACK to clear player env face cache, we need some signal framework
		3461	# for this (global event?)
		3462	%ext::player_env::MUSIC_FACE_CACHE = ();
		3463
2798	load_resource_file "$MAPDIR/regions"	3464	load_resource_file "$MAPDIR/regions"
2799	or die "unable to load regions file\n";	3465	or die "unable to load regions file\n";
2800		3466
2801	for (cf::region::list) {	3467	for (cf::region::list) {
2802	$_->{match} = qr/$_->{match}/	3468	$_->{match} = qr/$_->{match}/
…		…
2810	}	3476	}
2811		3477
2812	sub reload_archetypes {	3478	sub reload_archetypes {
2813	load_resource_file "$DATADIR/archetypes"	3479	load_resource_file "$DATADIR/archetypes"
2814	or die "unable to load archetypes\n";	3480	or die "unable to load archetypes\n";
2815	#d# NEED to laod twice to resolve forward references
2816	# this really needs to be done in an extra post-pass
2817	# (which needs to be synchronous, so solve it differently)
2818	load_resource_file "$DATADIR/archetypes"
2819	or die "unable to load archetypes\n";
2820	}	3481	}
2821		3482
2822	sub reload_treasures {	3483	sub reload_treasures {
2823	load_resource_file "$DATADIR/treasures"	3484	load_resource_file "$DATADIR/treasures"
2824	or die "unable to load treasurelists\n";	3485	or die "unable to load treasurelists\n";
2825	}	3486	}
2826		3487
2827	sub reload_resources {	3488	sub reload_resources {
2828	warn "reloading resource files...\n";	3489	warn "reloading resource files...\n";
2829		3490
		3491	reload_facedata;
		3492	reload_archetypes;
2830	reload_regions;	3493	reload_regions;
2831	reload_facedata;
2832	#reload_archetypes;#d#
2833	reload_archetypes;
2834	reload_treasures;	3494	reload_treasures;
2835		3495
2836	warn "finished reloading resource files\n";	3496	warn "finished reloading resource files\n";
2837	}	3497	}
2838		3498
2839	sub init {	3499	sub reload_config {
2840	reload_resources;	3500	warn "reloading config file...\n";
2841	}
2842		3501
2843	sub cfg_load {
2844	open my $fh, "<:utf8", "$CONFDIR/config"	3502	open my $fh, "<:utf8", "$CONFDIR/config"
2845	or return;	3503	or return;
2846		3504
2847	local $/;	3505	local $/;
2848	*CFG = YAML::Syck::Load <$fh>;	3506	*CFG = YAML::XS::Load scalar <$fh>;
2849		3507
2850	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3508	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2851		3509
2852	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3510	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2853	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3511	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2857	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3515	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2858	and die "WARNING: m(un)lockall failed: $!\n";	3516	and die "WARNING: m(un)lockall failed: $!\n";
2859	};	3517	};
2860	warn $@ if $@;	3518	warn $@ if $@;
2861	}	3519	}
		3520
		3521	warn "finished reloading resource files\n";
		3522	}
		3523
		3524	sub pidfile() {
		3525	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3526	or die "$PIDFILE: $!";
		3527	flock $fh, &Fcntl::LOCK_EX
		3528	or die "$PIDFILE: flock: $!";
		3529	$fh
		3530	}
		3531
		3532	# make sure only one server instance is running at any one time
		3533	sub atomic {
		3534	my $fh = pidfile;
		3535
		3536	my $pid = <$fh>;
		3537	kill 9, $pid if $pid > 0;
		3538
		3539	seek $fh, 0, 0;
		3540	print $fh $$;
		3541	}
		3542
		3543	sub main_loop {
		3544	warn "EV::loop starting\n";
		3545	if (1) {
		3546	EV::loop;
		3547	}
		3548	warn "EV::loop returned\n";
		3549	goto &main_loop unless $REALLY_UNLOOP;
2862	}	3550	}
2863		3551
2864	sub main {	3552	sub main {
		3553	cf::init_globals; # initialise logging
		3554
		3555	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3556	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3557	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3558	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3559
		3560	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3561
2865	# we must not ever block the main coroutine	3562	# we must not ever block the main coroutine
2866	local $Coro::idle = sub {	3563	local $Coro::idle = sub {
2867	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3564	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2868	(async {	3565	(async {
2869	Event::one_event;	3566	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3567	EV::loop EV::LOOP_ONESHOT;
2870	})->prio (Coro::PRIO_MAX);	3568	})->prio (Coro::PRIO_MAX);
2871	};	3569	};
2872		3570
2873	cfg_load;	3571	evthread_start IO::AIO::poll_fileno;
		3572
		3573	cf::sync_job {
		3574	cf::init_experience;
		3575	cf::init_anim;
		3576	cf::init_attackmess;
		3577	cf::init_dynamic;
		3578
		3579	cf::load_settings;
		3580	cf::load_materials;
		3581
		3582	reload_resources;
		3583	reload_config;
2874	db_init;	3584	db_init;
		3585
		3586	cf::init_uuid;
		3587	cf::init_signals;
		3588	cf::init_skills;
		3589
		3590	cf::init_beforeplay;
		3591
		3592	atomic;
		3593
2875	load_extensions;	3594	load_extensions;
2876		3595
2877	$TICK_WATCHER->start;	3596	utime time, time, $RUNTIMEFILE;
2878	Event::loop;	3597
		3598	# no (long-running) fork's whatsoever before this point(!)
		3599	use POSIX ();
		3600	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3601
		3602	(pop @POST_INIT)->(0) while @POST_INIT;
		3603	};
		3604
		3605	cf::object::thawer::errors_are_fatal 0;
		3606	warn "parse errors in files are no longer fatal from this point on.\n";
		3607
		3608	main_loop;
2879	}	3609	}
2880		3610
2881	#############################################################################	3611	#############################################################################
2882	# initialisation and cleanup	3612	# initialisation and cleanup
2883		3613
2884	# install some emergency cleanup handlers	3614	# install some emergency cleanup handlers
2885	BEGIN {	3615	BEGIN {
		3616	our %SIGWATCHER = ();
2886	for my $signal (qw(INT HUP TERM)) {	3617	for my $signal (qw(INT HUP TERM)) {
2887	Event->signal (	3618	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2888	reentrant => 0,
2889	data => WF_AUTOCANCEL,
2890	signal => $signal,
2891	prio => 0,
2892	cb => sub {
2893	cf::cleanup "SIG$signal";	3619	cf::cleanup "SIG$signal";
2894	},
2895	);	3620	};
2896	}	3621	}
2897	}	3622	}
2898		3623
2899	sub write_runtime {	3624	sub write_runtime_sync {
2900	my $runtime = "$LOCALDIR/runtime";	3625	my $t0 = AE::time;
2901		3626
2902	# first touch the runtime file to show we are still running:	3627	# first touch the runtime file to show we are still running:
2903	# the fsync below can take a very very long time.	3628	# the fsync below can take a very very long time.
2904		3629
2905	IO::AIO::aio_utime $runtime, undef, undef;	3630	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2906		3631
2907	my $guard = cf::lock_acquire "write_runtime";	3632	my $guard = cf::lock_acquire "write_runtime";
2908		3633
2909	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3634	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2910	or return;	3635	or return;
2911		3636
2912	my $value = $cf::RUNTIME + 90 + 10;	3637	my $value = $cf::RUNTIME + 90 + 10;
2913	# 10 is the runtime save interval, for a monotonic clock	3638	# 10 is the runtime save interval, for a monotonic clock
2914	# 60 allows for the watchdog to kill the server.	3639	# 60 allows for the watchdog to kill the server.
…		…
2924	aio_utime $fh, undef, undef;	3649	aio_utime $fh, undef, undef;
2925		3650
2926	close $fh	3651	close $fh
2927	or return;	3652	or return;
2928		3653
2929	aio_rename "$runtime~", $runtime	3654	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2930	and return;	3655	and return;
2931		3656
2932	warn "runtime file written.\n";	3657	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
2933		3658
2934	1	3659	1
		3660	}
		3661
		3662	our $uuid_lock;
		3663	our $uuid_skip;
		3664
		3665	sub write_uuid_sync($) {
		3666	$uuid_skip ||= $_[0];
		3667
		3668	return if $uuid_lock;
		3669	local $uuid_lock = 1;
		3670
		3671	my $uuid = "$LOCALDIR/uuid";
		3672
		3673	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3674	or return;
		3675
		3676	my $value = uuid_seq uuid_cur;
		3677
		3678	unless ($value) {
		3679	warn "cowardly refusing to write zero uuid value!\n";
		3680	return;
		3681	}
		3682
		3683	my $value = uuid_str $value + $uuid_skip;
		3684	$uuid_skip = 0;
		3685
		3686	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3687	and return;
		3688
		3689	# always fsync - this file is important
		3690	aio_fsync $fh
		3691	and return;
		3692
		3693	close $fh
		3694	or return;
		3695
		3696	aio_rename "$uuid~", $uuid
		3697	and return;
		3698
		3699	warn "uuid file written ($value).\n";
		3700
		3701	1
		3702
		3703	}
		3704
		3705	sub write_uuid($$) {
		3706	my ($skip, $sync) = @_;
		3707
		3708	$sync ? write_uuid_sync $skip
		3709	: async { write_uuid_sync $skip };
2935	}	3710	}
2936		3711
2937	sub emergency_save() {	3712	sub emergency_save() {
2938	my $freeze_guard = cf::freeze_mainloop;	3713	my $freeze_guard = cf::freeze_mainloop;
2939		3714
2940	warn "enter emergency perl save\n";	3715	warn "emergency_perl_save: enter\n";
2941		3716
2942	cf::sync_job {	3717	cf::sync_job {
		3718	# this is a trade-off: we want to be very quick here, so
		3719	# save all maps without fsync, and later call a global sync
		3720	# (which in turn might be very very slow)
		3721	local $USE_FSYNC = 0;
		3722
2943	# use a peculiar iteration method to avoid tripping on perl	3723	# use a peculiar iteration method to avoid tripping on perl
2944	# refcount bugs in for. also avoids problems with players	3724	# refcount bugs in for. also avoids problems with players
2945	# and maps saved/destroyed asynchronously.	3725	# and maps saved/destroyed asynchronously.
2946	warn "begin emergency player save\n";	3726	warn "emergency_perl_save: begin player save\n";
2947	for my $login (keys %cf::PLAYER) {	3727	for my $login (keys %cf::PLAYER) {
2948	my $pl = $cf::PLAYER{$login} or next;	3728	my $pl = $cf::PLAYER{$login} or next;
2949	$pl->valid or next;	3729	$pl->valid or next;
		3730	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2950	$pl->save;	3731	$pl->save;
2951	}	3732	}
2952	warn "end emergency player save\n";	3733	warn "emergency_perl_save: end player save\n";
2953		3734
2954	warn "begin emergency map save\n";	3735	warn "emergency_perl_save: begin map save\n";
2955	for my $path (keys %cf::MAP) {	3736	for my $path (keys %cf::MAP) {
2956	my $map = $cf::MAP{$path} or next;	3737	my $map = $cf::MAP{$path} or next;
2957	$map->valid or next;	3738	$map->valid or next;
2958	$map->save;	3739	$map->save;
2959	}	3740	}
2960	warn "end emergency map save\n";	3741	warn "emergency_perl_save: end map save\n";
2961		3742
2962	warn "begin emergency database checkpoint\n";	3743	warn "emergency_perl_save: begin database checkpoint\n";
2963	BDB::db_env_txn_checkpoint $DB_ENV;	3744	BDB::db_env_txn_checkpoint $DB_ENV;
2964	warn "end emergency database checkpoint\n";	3745	warn "emergency_perl_save: end database checkpoint\n";
		3746
		3747	warn "emergency_perl_save: begin write uuid\n";
		3748	write_uuid_sync 1;
		3749	warn "emergency_perl_save: end write uuid\n";
2965	};	3750	};
2966		3751
		3752	warn "emergency_perl_save: starting sync()\n";
		3753	IO::AIO::aio_sync sub {
		3754	warn "emergency_perl_save: finished sync()\n";
		3755	};
		3756
2967	warn "leave emergency perl save\n";	3757	warn "emergency_perl_save: leave\n";
2968	}	3758	}
2969		3759
2970	sub post_cleanup {	3760	sub post_cleanup {
2971	my ($make_core) = @_;	3761	my ($make_core) = @_;
2972		3762
2973	warn Carp::longmess "post_cleanup backtrace"	3763	warn Carp::longmess "post_cleanup backtrace"
2974	if $make_core;	3764	if $make_core;
		3765
		3766	my $fh = pidfile;
		3767	unlink $PIDFILE if <$fh> == $$;
		3768	}
		3769
		3770	# a safer delete_package, copied from Symbol
		3771	sub clear_package($) {
		3772	my $pkg = shift;
		3773
		3774	# expand to full symbol table name if needed
		3775	unless ($pkg =~ /^main::.*::$/) {
		3776	$pkg = "main$pkg" if $pkg =~ /^::/;
		3777	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3778	$pkg .= '::' unless $pkg =~ /::$/;
		3779	}
		3780
		3781	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3782	my $stem_symtab = *{$stem}{HASH};
		3783
		3784	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3785	or return;
		3786
		3787	# clear all symbols
		3788	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3789	for my $name (keys %$leaf_symtab) {
		3790	_gv_clear *{"$pkg$name"};
		3791	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3792	}
2975	}	3793	}
2976		3794
2977	sub do_reload_perl() {	3795	sub do_reload_perl() {
2978	# can/must only be called in main	3796	# can/must only be called in main
2979	if ($Coro::current != $Coro::main) {	3797	if ($Coro::current != $Coro::main) {
2980	warn "can only reload from main coroutine";	3798	warn "can only reload from main coroutine";
2981	return;	3799	return;
2982	}	3800	}
2983		3801
		3802	return if $RELOAD++;
		3803
		3804	my $t1 = AE::time;
		3805
		3806	while ($RELOAD) {
2984	warn "reloading...";	3807	warn "reloading...";
2985		3808
2986	warn "entering sync_job";	3809	warn "entering sync_job";
2987		3810
2988	cf::sync_job {	3811	cf::sync_job {
2989	cf::write_runtime; # external watchdog should not bark	3812	cf::write_runtime_sync; # external watchdog should not bark
2990	cf::emergency_save;	3813	cf::emergency_save;
2991	cf::write_runtime; # external watchdog should not bark	3814	cf::write_runtime_sync; # external watchdog should not bark
2992		3815
2993	warn "syncing database to disk";	3816	warn "syncing database to disk";
2994	BDB::db_env_txn_checkpoint $DB_ENV;	3817	BDB::db_env_txn_checkpoint $DB_ENV;
2995		3818
2996	# if anything goes wrong in here, we should simply crash as we already saved	3819	# if anything goes wrong in here, we should simply crash as we already saved
2997		3820
2998	warn "cancelling all WF_AUTOCANCEL watchers";
2999	for (Event::all_watchers) {
3000	$_->cancel if $_->data & WF_AUTOCANCEL;
3001	}
3002
3003	warn "flushing outstanding aio requests";	3821	warn "flushing outstanding aio requests";
3004	for (;;) {
3005	BDB::flush;
3006	IO::AIO::flush;
3007	Coro::cede;
3008	last unless IO::AIO::nreqs || BDB::nreqs;	3822	while (IO::AIO::nreqs || BDB::nreqs) {
3009	warn "iterate...";	3823	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3010	}
3011
3012	++$RELOAD;
3013
3014	warn "cancelling all extension coros";
3015	$_->cancel for values %EXT_CORO;
3016	%EXT_CORO = ();
3017
3018	warn "removing commands";
3019	%COMMAND = ();
3020
3021	warn "removing ext/exti commands";
3022	%EXTCMD = ();
3023	%EXTICMD = ();
3024
3025	warn "unloading/nuking all extensions";
3026	for my $pkg (@EXTS) {
3027	warn "... unloading $pkg";
3028
3029	if (my $cb = $pkg->can ("unload")) {
3030	eval {
3031	$cb->($pkg);
3032	1
3033	} or warn "$pkg unloaded, but with errors: $@";
3034	}	3824	}
3035		3825
3036	warn "... nuking $pkg";	3826	warn "cancelling all extension coros";
3037	Symbol::delete_package $pkg;	3827	$_->cancel for values %EXT_CORO;
3038	}	3828	%EXT_CORO = ();
3039		3829
3040	warn "unloading all perl modules loaded from $LIBDIR";	3830	warn "removing commands";
3041	while (my ($k, $v) = each %INC) {	3831	%COMMAND = ();
3042	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3043		3832
		3833	warn "removing ext/exti commands";
		3834	%EXTCMD = ();
		3835	%EXTICMD = ();
		3836
		3837	warn "unloading/nuking all extensions";
		3838	for my $pkg (@EXTS) {
3044	warn "... unloading $k";	3839	warn "... unloading $pkg";
3045	delete $INC{$k};
3046		3840
3047	$k =~ s/\.pm$//;
3048	$k =~ s/\//::/g;
3049
3050	if (my $cb = $k->can ("unload_module")) {	3841	if (my $cb = $pkg->can ("unload")) {
		3842	eval {
3051	$cb->();	3843	$cb->($pkg);
		3844	1
		3845	} or warn "$pkg unloaded, but with errors: $@";
		3846	}
		3847
		3848	warn "... clearing $pkg";
		3849	clear_package $pkg;
3052	}	3850	}
3053		3851
3054	Symbol::delete_package $k;	3852	warn "unloading all perl modules loaded from $LIBDIR";
		3853	while (my ($k, $v) = each %INC) {
		3854	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3855
		3856	warn "... unloading $k";
		3857	delete $INC{$k};
		3858
		3859	$k =~ s/\.pm$//;
		3860	$k =~ s/\//::/g;
		3861
		3862	if (my $cb = $k->can ("unload_module")) {
		3863	$cb->();
		3864	}
		3865
		3866	clear_package $k;
3055	}	3867	}
3056		3868
3057	warn "getting rid of safe::, as good as possible";	3869	warn "getting rid of safe::, as good as possible";
3058	Symbol::delete_package "safe::$_"	3870	clear_package "safe::$_"
3059	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3871	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3060		3872
3061	warn "unloading cf.pm \"a bit\"";	3873	warn "unloading cf.pm \"a bit\"";
3062	delete $INC{"cf.pm"};	3874	delete $INC{"cf.pm"};
3063	delete $INC{"cf/pod.pm"};	3875	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3064		3876
3065	# don't, removes xs symbols, too,	3877	# don't, removes xs symbols, too,
3066	# and global variables created in xs	3878	# and global variables created in xs
3067	#Symbol::delete_package __PACKAGE__;	3879	#clear_package __PACKAGE__;
3068		3880
3069	warn "unload completed, starting to reload now";	3881	warn "unload completed, starting to reload now";
3070		3882
3071	warn "reloading cf.pm";	3883	warn "reloading cf.pm";
3072	require cf;	3884	require cf;
3073	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3885	cf::_connect_to_perl_1;
3074		3886
3075	warn "loading config and database again";	3887	warn "loading config and database again";
3076	cf::cfg_load;	3888	cf::reload_config;
3077		3889
3078	warn "loading extensions";	3890	warn "loading extensions";
3079	cf::load_extensions;	3891	cf::load_extensions;
3080		3892
		3893	if ($REATTACH_ON_RELOAD) {
3081	warn "reattaching attachments to objects/players";	3894	warn "reattaching attachments to objects/players";
3082	_global_reattach; # objects, sockets	3895	_global_reattach; # objects, sockets
3083	warn "reattaching attachments to maps";	3896	warn "reattaching attachments to maps";
3084	reattach $_ for values %MAP;	3897	reattach $_ for values %MAP;
3085	warn "reattaching attachments to players";	3898	warn "reattaching attachments to players";
3086	reattach $_ for values %PLAYER;	3899	reattach $_ for values %PLAYER;
		3900	}
3087		3901
		3902	warn "running post_init jobs";
		3903	(pop @POST_INIT)->(1) while @POST_INIT;
		3904
3088	warn "leaving sync_job";	3905	warn "leaving sync_job";
3089		3906
3090	1	3907	1
3091	} or do {	3908	} or do {
3092	warn $@;	3909	warn $@;
3093	warn "error while reloading, exiting.";	3910	cf::cleanup "error while reloading, exiting.";
3094	exit 1;
3095	};	3911	};
3096		3912
3097	warn "reloaded";	3913	warn "reloaded";
		3914	--$RELOAD;
		3915	}
		3916
		3917	$t1 = AE::time - $t1;
		3918	warn "reload completed in ${t1}s\n";
3098	};	3919	};
3099		3920
3100	our $RELOAD_WATCHER; # used only during reload	3921	our $RELOAD_WATCHER; # used only during reload
3101		3922
3102	sub reload_perl() {	3923	sub reload_perl() {
3103	# doing reload synchronously and two reloads happen back-to-back,	3924	# doing reload synchronously and two reloads happen back-to-back,
3104	# coro crashes during coro_state_free->destroy here.	3925	# coro crashes during coro_state_free->destroy here.
3105		3926
3106	$RELOAD_WATCHER ||= Event->timer (	3927	$RELOAD_WATCHER ||= cf::async {
3107	reentrant => 0,	3928	Coro::AIO::aio_wait cache_extensions;
3108	after => 0,	3929
3109	data => WF_AUTOCANCEL,	3930	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3110	cb => sub {
3111	do_reload_perl;	3931	do_reload_perl;
3112	undef $RELOAD_WATCHER;	3932	undef $RELOAD_WATCHER;
3113	},	3933	};
3114	);	3934	};
3115	}	3935	}
3116		3936
3117	register_command "reload" => sub {	3937	register_command "reload" => sub {
3118	my ($who, $arg) = @_;	3938	my ($who, $arg) = @_;
3119		3939
3120	if ($who->flag (FLAG_WIZ)) {	3940	if ($who->flag (FLAG_WIZ)) {
3121	$who->message ("reloading server.");	3941	$who->message ("reloading server.");
		3942	async {
		3943	$Coro::current->{desc} = "perl_reload";
3122	async { reload_perl };	3944	reload_perl;
		3945	};
3123	}	3946	}
3124	};	3947	};
3125		3948
3126	unshift @INC, $LIBDIR;	3949	unshift @INC, $LIBDIR;
3127		3950
…		…
3129		3952
3130	our @WAIT_FOR_TICK;	3953	our @WAIT_FOR_TICK;
3131	our @WAIT_FOR_TICK_BEGIN;	3954	our @WAIT_FOR_TICK_BEGIN;
3132		3955
3133	sub wait_for_tick {	3956	sub wait_for_tick {
3134	return unless $TICK_WATCHER->is_active;
3135	return if $Coro::current == $Coro::main;	3957	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3136		3958
3137	my $signal = new Coro::Signal;	3959	my $signal = new Coro::Signal;
3138	push @WAIT_FOR_TICK, $signal;	3960	push @WAIT_FOR_TICK, $signal;
3139	$signal->wait;	3961	$signal->wait;
3140	}	3962	}
3141		3963
3142	sub wait_for_tick_begin {	3964	sub wait_for_tick_begin {
3143	return unless $TICK_WATCHER->is_active;
3144	return if $Coro::current == $Coro::main;	3965	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3145		3966
3146	my $signal = new Coro::Signal;	3967	my $signal = new Coro::Signal;
3147	push @WAIT_FOR_TICK_BEGIN, $signal;	3968	push @WAIT_FOR_TICK_BEGIN, $signal;
3148	$signal->wait;	3969	$signal->wait;
3149	}	3970	}
3150		3971
3151	my $min = 1e6;#d#	3972	sub tick {
3152	my $avg = 10;
3153	$TICK_WATCHER = Event->timer (
3154	reentrant => 0,
3155	parked => 1,
3156	prio => 0,
3157	at => $NEXT_TICK || $TICK,
3158	data => WF_AUTOCANCEL,
3159	cb => sub {
3160	if ($Coro::current != $Coro::main) {	3973	if ($Coro::current != $Coro::main) {
3161	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3974	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3162	unless ++$bug_warning > 10;	3975	unless ++$bug_warning > 10;
3163	return;	3976	return;
3164	}	3977	}
3165		3978
3166	$NOW = $tick_start = Event::time;
3167
3168	cf::server_tick; # one server iteration	3979	cf::server_tick; # one server iteration
3169		3980
3170	0 && sync_job {#d#	3981	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3171	for(1..10) {
3172	my $t = Event::time;
3173	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3174	or die;
3175		3982
3176	$map->width (50);	3983	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3177	$map->height (50);	3984	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3178	$map->alloc;	3985	Coro::async_pool {
3179	$map->_load_objects ("/tmp/x.map", 1);	3986	$Coro::current->{desc} = "runtime saver";
3180	my $t = Event::time - $t;	3987	write_runtime_sync
3181		3988	or warn "ERROR: unable to write runtime file: $!";
3182	#next unless $t < 0.0013;#d#
3183	if ($t < $min) {
3184	$min = $t;
3185	}
3186	$avg = $avg * 0.99 + $t * 0.01;
3187	}
3188	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3189	exit 0;
3190	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3191	};	3989	};
		3990	}
3192		3991
3193	$RUNTIME += $TICK;
3194	$NEXT_TICK += $TICK;
3195
3196	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3197	$NEXT_RUNTIME_WRITE = $NOW + 10;
3198	Coro::async_pool {
3199	write_runtime
3200	or warn "ERROR: unable to write runtime file: $!";
3201	};
3202	}
3203
3204	# my $AFTER = Event::time;
3205	# warn $AFTER - $NOW;#d#
3206
3207	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3992	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3208	$sig->send;	3993	$sig->send;
3209	}	3994	}
3210	while (my $sig = shift @WAIT_FOR_TICK) {	3995	while (my $sig = shift @WAIT_FOR_TICK) {
3211	$sig->send;	3996	$sig->send;
3212	}	3997	}
3213		3998
3214	$NOW = Event::time;	3999	$LOAD = ($NOW - $TICK_START) / $TICK;
3215
3216	# if we are delayed by four ticks or more, skip them all
3217	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3218
3219	$TICK_WATCHER->at ($NEXT_TICK);
3220	$TICK_WATCHER->start;
3221
3222	$LOAD = ($NOW - $tick_start) / $TICK;
3223	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4000	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3224		4001
3225	_post_tick;	4002	if (0) {
3226		4003	if ($NEXT_TICK) {
3227		4004	my $jitter = $TICK_START - $NEXT_TICK;
		4005	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4006	warn "jitter $JITTER\n";#d#
		4007	}
3228	},	4008	}
3229	);	4009	}
3230		4010
3231	{	4011	{
3232	BDB::max_poll_time $TICK * 0.1;	4012	# configure BDB
3233	$BDB_POLL_WATCHER = Event->io (	4013
3234	reentrant => 0,
3235	fd => BDB::poll_fileno,
3236	poll => 'r',
3237	prio => 0,
3238	data => WF_AUTOCANCEL,
3239	cb => \&BDB::poll_cb,
3240	);
3241	BDB::min_parallel 8;	4014	BDB::min_parallel 16;
3242		4015	BDB::max_poll_reqs $TICK * 0.1;
3243	BDB::set_sync_prepare {	4016	$AnyEvent::BDB::WATCHER->priority (1);
3244	my $status;
3245	my $current = $Coro::current;
3246	(
3247	sub {
3248	$status = $!;
3249	$current->ready; undef $current;
3250	},
3251	sub {
3252	Coro::schedule while defined $current;
3253	$! = $status;
3254	},
3255	)
3256	};
3257		4017
3258	unless ($DB_ENV) {	4018	unless ($DB_ENV) {
3259	$DB_ENV = BDB::db_env_create;	4019	$DB_ENV = BDB::db_env_create;
		4020	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4021	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4022	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4023	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4024	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3260		4025
3261	cf::sync_job {	4026	cf::sync_job {
3262	eval {	4027	eval {
3263	BDB::db_env_open	4028	BDB::db_env_open
3264	$DB_ENV,	4029	$DB_ENV,
…		…
3266	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4031	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3267	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4032	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3268	0666;	4033	0666;
3269		4034
3270	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4035	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3271
3272	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3273	$DB_ENV->set_lk_detect;
3274	};	4036	};
3275		4037
3276	cf::cleanup "db_env_open(db): $@" if $@;	4038	cf::cleanup "db_env_open(db): $@" if $@;
3277	};	4039	};
3278	}	4040	}
		4041
		4042	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4043	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4044	};
		4045	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4046	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4047	};
		4048	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4049	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4050	};
3279	}	4051	}
3280		4052
3281	{	4053	{
		4054	# configure IO::AIO
		4055
3282	IO::AIO::min_parallel 8;	4056	IO::AIO::min_parallel 8;
3283
3284	undef $Coro::AIO::WATCHER;
3285	IO::AIO::max_poll_time $TICK * 0.1;	4057	IO::AIO::max_poll_time $TICK * 0.1;
3286	$AIO_POLL_WATCHER = Event->io (	4058	undef $AnyEvent::AIO::WATCHER;
3287	reentrant => 0,
3288	data => WF_AUTOCANCEL,
3289	fd => IO::AIO::poll_fileno,
3290	poll => 'r',
3291	prio => 6,
3292	cb => \&IO::AIO::poll_cb,
3293	);
3294	}	4059	}
3295		4060
3296	my $_log_backtrace;	4061	my $_log_backtrace;
3297		4062
3298	sub _log_backtrace {	4063	sub _log_backtrace {
…		…
3301	$msg =~ s/\n//;	4066	$msg =~ s/\n//;
3302		4067
3303	# limit the # of concurrent backtraces	4068	# limit the # of concurrent backtraces
3304	if ($_log_backtrace < 2) {	4069	if ($_log_backtrace < 2) {
3305	++$_log_backtrace;	4070	++$_log_backtrace;
		4071	my $perl_bt = Carp::longmess $msg;
3306	async {	4072	async {
		4073	$Coro::current->{desc} = "abt $msg";
		4074
3307	my @bt = fork_call {	4075	my @bt = fork_call {
3308	@addr = map { sprintf "%x", $_ } @addr;	4076	@addr = map { sprintf "%x", $_ } @addr;
3309	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4077	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3310	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4078	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3311	or die "addr2line: $!";	4079	or die "addr2line: $!";
…		…
3319	}	4087	}
3320		4088
3321	@funcs	4089	@funcs
3322	};	4090	};
3323		4091
3324	LOG llevInfo, "[ABT] $msg\n";	4092	LOG llevInfo, "[ABT] $perl_bt\n";
		4093	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3325	LOG llevInfo, "[ABT] $_\n" for @bt;	4094	LOG llevInfo, "[ABT] $_\n" for @bt;
3326	--$_log_backtrace;	4095	--$_log_backtrace;
3327	};	4096	};
3328	} else {	4097	} else {
3329	LOG llevInfo, "[ABT] $msg\n";	4098	LOG llevInfo, "[ABT] $msg\n";
3330	LOG llevInfo, "[ABT] [suppressed]\n";	4099	LOG llevInfo, "[ABT] [suppressed]\n";
3331	}	4100	}
3332	}	4101	}
3333		4102
3334	# load additional modules	4103	# load additional modules
3335	use cf::pod;	4104	require "cf/$_.pm" for @EXTRA_MODULES;
		4105	cf::_connect_to_perl_2;
3336		4106
3337	END { cf::emergency_save }	4107	END { cf::emergency_save }
3338		4108
3339	1	4109	1
3340		4110

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