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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.303 by root, Wed Jul 11 15:57:31 2007 UTC vs.
Revision 1.515 by root, Thu Apr 15 04:56:47 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	} else {
1180	warn "mandatory extension failed to load, exiting.\n";	1442	$done{$k} = delete $todo{$k};
1181	exit 1;	1443	push @EXTS, $v->{pkg};
1182	}	1444	$progress = 1;
1183		1445
1184	warn $msg;	1446	warn "$v->{base}: extension inactive.\n"
		1447	unless $active;
1185	}	1448	}
1186
1187	$done{$k} = delete $todo{$k};
1188	push @EXTS, $v->{pkg};
1189	$progress = 1;
1190	}	1449	}
1191		1450
1192	skip:	1451	unless ($progress) {
1193	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1452	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1194	unless $progress;	1453
		1454	while (my ($k, $v) = each %todo) {
		1455	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1456	if exists $v->{meta}{mandatory};
		1457	}
		1458	}
1195	}	1459	}
1196	};	1460	};
1197	}	1461	}
1198		1462
1199	#############################################################################	1463	#############################################################################
1200		1464
1201	=back	1465	=back
1202		1466
1203	=head2 CORE EXTENSIONS	1467	=head2 CORE EXTENSIONS
1204		1468
1205	Functions and methods that extend core crossfire objects.	1469	Functions and methods that extend core deliantra objects.
1206		1470
1207	=cut	1471	=cut
1208		1472
1209	package cf::player;	1473	package cf::player;
1210		1474
1211	use Coro::AIO;	1475	use Coro::AIO;
1212		1476
1213	=head3 cf::player	1477	=head3 cf::player
1214		1478
1215	=over 4	1479	=over 4
		1480
		1481	=item cf::player::num_playing
		1482
		1483	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1484
		1485	=cut
		1486
		1487	sub num_playing {
		1488	scalar grep
		1489	$_->ob->map
		1490	&& !$_->hidden
		1491	&& !$_->ob->flag (cf::FLAG_WIZ),
		1492	cf::player::list
		1493	}
1216		1494
1217	=item cf::player::find $login	1495	=item cf::player::find $login
1218		1496
1219	Returns the given player object, loading it if necessary (might block).	1497	Returns the given player object, loading it if necessary (might block).
1220		1498
…		…
1239		1517
1240	sub exists($) {	1518	sub exists($) {
1241	my ($login) = @_;	1519	my ($login) = @_;
1242		1520
1243	$cf::PLAYER{$login}	1521	$cf::PLAYER{$login}
1244	or cf::sync_job { !aio_stat path $login }	1522	or !aio_stat path $login
1245	}	1523	}
1246		1524
1247	sub find($) {	1525	sub find($) {
1248	return $cf::PLAYER{$_[0]} || do {	1526	return $cf::PLAYER{$_[0]} || do {
1249	my $login = $_[0];	1527	my $login = $_[0];
…		…
1256	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1534	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1257	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1535	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1258	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1536	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1259	aio_unlink +(playerdir $login) . "/$login.pl";	1537	aio_unlink +(playerdir $login) . "/$login.pl";
1260		1538
1261	my $pl = load_pl path $login	1539	my $f = new_from_file cf::object::thawer path $login
1262	or return;	1540	or return;
		1541
		1542	my $pl = cf::player::load_pl $f
		1543	or return;
		1544
		1545	local $cf::PLAYER_LOADING{$login} = $pl;
		1546	$f->resolve_delayed_derefs;
1263	$cf::PLAYER{$login} = $pl	1547	$cf::PLAYER{$login} = $pl
1264	}	1548	}
1265	}	1549	}
1266	}	1550	}
		1551
		1552	cf::player->attach (
		1553	on_load => sub {
		1554	my ($pl, $path) = @_;
		1555
		1556	# restore slots saved in save, below
		1557	my $slots = delete $pl->{_slots};
		1558
		1559	$pl->ob->current_weapon ($slots->[0]);
		1560	$pl->combat_ob ($slots->[1]);
		1561	$pl->ranged_ob ($slots->[2]);
		1562	},
		1563	);
1267		1564
1268	sub save($) {	1565	sub save($) {
1269	my ($pl) = @_;	1566	my ($pl) = @_;
1270		1567
1271	return if $pl->{deny_save};	1568	return if $pl->{deny_save};
…		…
1276	return if $pl->{deny_save};	1573	return if $pl->{deny_save};
1277		1574
1278	aio_mkdir playerdir $pl, 0770;	1575	aio_mkdir playerdir $pl, 0770;
1279	$pl->{last_save} = $cf::RUNTIME;	1576	$pl->{last_save} = $cf::RUNTIME;
1280		1577
		1578	cf::get_slot 0.01;
		1579
		1580	# save slots, to be restored later
		1581	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1582
1281	$pl->save_pl ($path);	1583	$pl->save_pl ($path);
1282	Coro::cede;	1584	cf::cede_to_tick;
1283	}	1585	}
1284		1586
1285	sub new($) {	1587	sub new($) {
1286	my ($login) = @_;	1588	my ($login) = @_;
1287		1589
…		…
1293	$cf::PLAYER{$login} = $self;	1595	$cf::PLAYER{$login} = $self;
1294		1596
1295	$self	1597	$self
1296	}	1598	}
1297		1599
		1600	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1601
		1602	=cut
		1603
		1604	sub send_msg {
		1605	my $ns = shift->ns
		1606	or return;
		1607	$ns->send_msg (@_);
		1608	}
		1609
1298	=item $pl->quit_character	1610	=item $pl->quit_character
1299		1611
1300	Nukes the player without looking back. If logged in, the connection will	1612	Nukes the player without looking back. If logged in, the connection will
1301	be destroyed. May block for a long time.	1613	be destroyed. May block for a long time.
1302		1614
…		…
1306	my ($pl) = @_;	1618	my ($pl) = @_;
1307		1619
1308	my $name = $pl->ob->name;	1620	my $name = $pl->ob->name;
1309		1621
1310	$pl->{deny_save} = 1;	1622	$pl->{deny_save} = 1;
1311	$pl->password ("*"); # this should lock out the player until we nuked the dir	1623	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1312		1624
1313	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1625	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1314	$pl->deactivate;	1626	$pl->deactivate;
		1627	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1628	$pl->ob->check_score;
1315	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1629	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1316	$pl->ns->destroy if $pl->ns;	1630	$pl->ns->destroy if $pl->ns;
1317		1631
1318	my $path = playerdir $pl;	1632	my $path = playerdir $pl;
1319	my $temp = "$path~$cf::RUNTIME~deleting~";	1633	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1355	or return [];	1669	or return [];
1356		1670
1357	my @logins;	1671	my @logins;
1358		1672
1359	for my $login (@$dirs) {	1673	for my $login (@$dirs) {
		1674	my $path = path $login;
		1675
		1676	# a .pst is a dead give-away for a valid player
		1677	# if no pst file found, open and chekc for blocked users
		1678	if (aio_stat "$path.pst") {
1360	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1679	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1361	aio_read $fh, 0, 512, my $buf, 0 or next;	1680	aio_read $fh, 0, 512, my $buf, 0 or next;
1362	$buf !~ /^password -------------$/m or next; # official not-valid tag	1681	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1682	}
1363		1683
1364	utf8::decode $login;	1684	utf8::decode $login;
1365	push @logins, $login;	1685	push @logins, $login;
1366	}	1686	}
1367		1687
…		…
1394	}	1714	}
1395		1715
1396	\@paths	1716	\@paths
1397	}	1717	}
1398		1718
1399	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1719	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1400		1720
1401	Expand crossfire pod fragments into protocol xml.	1721	Expand deliantra pod fragments into protocol xml.
1402		1722
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)	1723	=item $player->ext_reply ($msgid, @msg)
1450		1724
1451	Sends an ext reply to the player.	1725	Sends an ext reply to the player.
1452		1726
1453	=cut	1727	=cut
1454		1728
1455	sub ext_reply($$%) {	1729	sub ext_reply($$@) {
1456	my ($self, $id, %msg) = @_;	1730	my ($self, $id, @msg) = @_;
1457		1731
1458	$msg{msgid} = $id;	1732	$self->ns->ext_reply ($id, @msg)
1459	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1460	}	1733	}
1461		1734
1462	=item $player->ext_event ($type, %msg)	1735	=item $player->ext_msg ($type, @msg)
1463		1736
1464	Sends an ext event to the client.	1737	Sends an ext event to the client.
1465		1738
1466	=cut	1739	=cut
1467		1740
1468	sub ext_event($$%) {	1741	sub ext_msg($$@) {
1469	my ($self, $type, %msg) = @_;	1742	my ($self, $type, @msg) = @_;
1470		1743
1471	$self->ns->ext_event ($type, %msg);	1744	$self->ns->ext_msg ($type, @msg);
1472	}	1745	}
1473		1746
1474	=head3 cf::region	1747	=head3 cf::region
1475		1748
1476	=over 4	1749	=over 4
…		…
1489	my ($path) = @_;	1762	my ($path) = @_;
1490		1763
1491	my ($match, $specificity);	1764	my ($match, $specificity);
1492		1765
1493	for my $region (list) {	1766	for my $region (list) {
1494	if ($region->match && $path =~ $region->match) {	1767	if ($region->{match} && $path =~ $region->{match}) {
1495	($match, $specificity) = ($region, $region->specificity)	1768	($match, $specificity) = ($region, $region->specificity)
1496	if $region->specificity > $specificity;	1769	if $region->specificity > $specificity;
1497	}	1770	}
1498	}	1771	}
1499		1772
…		…
1520	our $MAX_RESET = 3600;	1793	our $MAX_RESET = 3600;
1521	our $DEFAULT_RESET = 3000;	1794	our $DEFAULT_RESET = 3000;
1522		1795
1523	sub generate_random_map {	1796	sub generate_random_map {
1524	my ($self, $rmp) = @_;	1797	my ($self, $rmp) = @_;
		1798
		1799	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1800
1525	# mit "rum" bekleckern, nicht	1801	# mit "rum" bekleckern, nicht
1526	$self->_create_random_map (	1802	$self->_create_random_map (
1527	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1803	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1528	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1804	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1529	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1805	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1530	$rmp->{exit_on_final_map},	1806	$rmp->{exit_on_final_map},
1531	$rmp->{xsize}, $rmp->{ysize},	1807	$rmp->{xsize}, $rmp->{ysize},
1532	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1808	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1533	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1809	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1619	$self->init; # pass $1 etc.	1895	$self->init; # pass $1 etc.
1620	return $self;	1896	return $self;
1621	}	1897	}
1622	}	1898	}
1623		1899
1624	Carp::carp "unable to resolve path '$path' (base '$base').";	1900	Carp::cluck "unable to resolve path '$path' (base '$base').";
1625	()	1901	()
1626	}	1902	}
1627		1903
1628	sub init {	1904	sub init {
1629	my ($self) = @_;	1905	my ($self) = @_;
…		…
1651		1927
1652	# the temporary/swap location	1928	# the temporary/swap location
1653	sub save_path {	1929	sub save_path {
1654	my ($self) = @_;	1930	my ($self) = @_;
1655		1931
1656	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1932	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1657	"$TMPDIR/$path.map"	1933	"$TMPDIR/$path.map"
1658	}	1934	}
1659		1935
1660	# the unique path, undef == no special unique path	1936	# the unique path, undef == no special unique path
1661	sub uniq_path {	1937	sub uniq_path {
1662	my ($self) = @_;	1938	my ($self) = @_;
1663		1939
1664	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1940	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1665	"$UNIQUEDIR/$path"	1941	"$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	}	1942	}
1676		1943
1677	sub decay_objects {	1944	sub decay_objects {
1678	my ($self) = @_;	1945	my ($self) = @_;
1679		1946
…		…
1692		1959
1693	sub load_header_from($) {	1960	sub load_header_from($) {
1694	my ($self, $path) = @_;	1961	my ($self, $path) = @_;
1695		1962
1696	utf8::encode $path;	1963	utf8::encode $path;
1697	#aio_open $path, O_RDONLY, 0	1964	my $f = new_from_file cf::object::thawer $path
1698	# or return;
1699
1700	$self->_load_header ($path)
1701	or return;	1965	or return;
		1966
		1967	$self->_load_header ($f)
		1968	or return;
		1969
		1970	local $MAP_LOADING{$self->{path}} = $self;
		1971	$f->resolve_delayed_derefs;
1702		1972
1703	$self->{load_path} = $path;	1973	$self->{load_path} = $path;
1704		1974
1705	1	1975	1
1706	}	1976	}
…		…
1760	sub find {	2030	sub find {
1761	my ($path, $origin) = @_;	2031	my ($path, $origin) = @_;
1762		2032
1763	$path = normalise $path, $origin && $origin->path;	2033	$path = normalise $path, $origin && $origin->path;
1764		2034
		2035	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1765	cf::lock_wait "map_find:$path";	2036	my $guard2 = cf::lock_acquire "map_find:$path";
1766		2037
1767	$cf::MAP{$path} || do {	2038	$cf::MAP{$path} || do {
1768	my $guard = cf::lock_acquire "map_find:$path";
1769	my $map = new_from_path cf::map $path	2039	my $map = new_from_path cf::map $path
1770	or return;	2040	or return;
1771		2041
1772	$map->{last_save} = $cf::RUNTIME;	2042	$map->{last_save} = $cf::RUNTIME;
1773		2043
…		…
1775	or return;	2045	or return;
1776		2046
1777	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2047	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1778	# doing this can freeze the server in a sync job, obviously	2048	# doing this can freeze the server in a sync job, obviously
1779	#$cf::WAIT_FOR_TICK->wait;	2049	#$cf::WAIT_FOR_TICK->wait;
		2050	undef $guard2;
		2051	undef $guard1;
1780	$map->reset;	2052	$map->reset;
1781	undef $guard;
1782	return find $path;	2053	return find $path;
1783	}	2054	}
1784		2055
1785	$cf::MAP{$path} = $map	2056	$cf::MAP{$path} = $map
1786	}	2057	}
1787	}	2058	}
1788		2059
1789	sub pre_load { }	2060	sub pre_load { }
1790	sub post_load { }	2061	#sub post_load { } # XS
1791		2062
1792	sub load {	2063	sub load {
1793	my ($self) = @_;	2064	my ($self) = @_;
1794		2065
1795	local $self->{deny_reset} = 1; # loading can take a long time	2066	local $self->{deny_reset} = 1; # loading can take a long time
1796		2067
1797	my $path = $self->{path};	2068	my $path = $self->{path};
1798		2069
1799	{	2070	{
1800	my $guard = cf::lock_acquire "map_load:$path";	2071	my $guard = cf::lock_acquire "map_data:$path";
1801		2072
		2073	return unless $self->valid;
1802	return if $self->in_memory != cf::MAP_SWAPPED;	2074	return unless $self->in_memory == cf::MAP_SWAPPED;
1803		2075
1804	$self->in_memory (cf::MAP_LOADING);	2076	$self->in_memory (cf::MAP_LOADING);
1805		2077
1806	$self->alloc;	2078	$self->alloc;
1807		2079
1808	$self->pre_load;	2080	$self->pre_load;
1809	Coro::cede;	2081	cf::cede_to_tick;
1810		2082
		2083	my $f = new_from_file cf::object::thawer $self->{load_path};
		2084	$f->skip_block;
1811	$self->_load_objects ($self->{load_path}, 1)	2085	$self->_load_objects ($f)
1812	or return;	2086	or return;
1813		2087
1814	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2088	$self->post_load_original
1815	if delete $self->{load_original};	2089	if delete $self->{load_original};
1816		2090
1817	if (my $uniq = $self->uniq_path) {	2091	if (my $uniq = $self->uniq_path) {
1818	utf8::encode $uniq;	2092	utf8::encode $uniq;
1819	if (aio_open $uniq, O_RDONLY, 0) {	2093	unless (aio_stat $uniq) {
		2094	if (my $f = new_from_file cf::object::thawer $uniq) {
1820	$self->clear_unique_items;	2095	$self->clear_unique_items;
1821	$self->_load_objects ($uniq, 0);	2096	$self->_load_objects ($f);
		2097	$f->resolve_delayed_derefs;
		2098	}
1822	}	2099	}
1823	}	2100	}
1824		2101
1825	Coro::cede;	2102	$f->resolve_delayed_derefs;
		2103
		2104	cf::cede_to_tick;
1826	# now do the right thing for maps	2105	# now do the right thing for maps
1827	$self->link_multipart_objects;	2106	$self->link_multipart_objects;
1828	$self->difficulty ($self->estimate_difficulty)	2107	$self->difficulty ($self->estimate_difficulty)
1829	unless $self->difficulty;	2108	unless $self->difficulty;
1830	Coro::cede;	2109	cf::cede_to_tick;
1831		2110
1832	unless ($self->{deny_activate}) {	2111	unless ($self->{deny_activate}) {
1833	$self->decay_objects;	2112	$self->decay_objects;
1834	$self->fix_auto_apply;	2113	$self->fix_auto_apply;
1835	$self->update_buttons;	2114	$self->update_buttons;
1836	Coro::cede;	2115	cf::cede_to_tick;
1837	$self->set_darkness_map;
1838	Coro::cede;
1839	$self->activate;	2116	$self->activate;
1840	}	2117	}
1841		2118
		2119	$self->{last_save} = $cf::RUNTIME;
		2120	$self->last_access ($cf::RUNTIME);
		2121
1842	$self->in_memory (cf::MAP_IN_MEMORY);	2122	$self->in_memory (cf::MAP_ACTIVE);
1843	}	2123	}
1844		2124
1845	$self->post_load;	2125	$self->post_load;
1846	}	2126	}
1847		2127
		2128	# customize the map for a given player, i.e.
		2129	# return the _real_ map. used by e.g. per-player
		2130	# maps to change the path to ~playername/mappath
1848	sub customise_for {	2131	sub customise_for {
1849	my ($self, $ob) = @_;	2132	my ($self, $ob) = @_;
1850		2133
1851	return find "~" . $ob->name . "/" . $self->{path}	2134	return find "~" . $ob->name . "/" . $self->{path}
1852	if $self->per_player;	2135	if $self->per_player;
…		…
1856		2139
1857	$self	2140	$self
1858	}	2141	}
1859		2142
1860	# find and load all maps in the 3x3 area around a map	2143	# find and load all maps in the 3x3 area around a map
1861	sub load_diag {	2144	sub load_neighbours {
1862	my ($map) = @_;	2145	my ($map) = @_;
1863		2146
1864	my @diag; # diagonal neighbours	2147	my @neigh; # diagonal neighbours
1865		2148
1866	for (0 .. 3) {	2149	for (0 .. 3) {
1867	my $neigh = $map->tile_path ($_)	2150	my $neigh = $map->tile_path ($_)
1868	or next;	2151	or next;
1869	$neigh = find $neigh, $map	2152	$neigh = find $neigh, $map
1870	or next;	2153	or next;
1871	$neigh->load;	2154	$neigh->load;
1872		2155
		2156	push @neigh,
1873	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2157	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1874	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2158	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1875	}	2159	}
1876		2160
1877	for (@diag) {	2161	for (grep defined $_->[0], @neigh) {
		2162	my ($path, $origin) = @$_;
1878	my $neigh = find @$_	2163	my $neigh = find $path, $origin
1879	or next;	2164	or next;
1880	$neigh->load;	2165	$neigh->load;
1881	}	2166	}
1882	}	2167	}
1883		2168
…		…
1888	}	2173	}
1889		2174
1890	sub do_load_sync {	2175	sub do_load_sync {
1891	my ($map) = @_;	2176	my ($map) = @_;
1892		2177
		2178	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2179	if $Coro::current == $Coro::main;
		2180
1893	cf::sync_job { $map->load };	2181	cf::sync_job { $map->load };
1894	}	2182	}
1895		2183
1896	our %MAP_PREFETCH;	2184	our %MAP_PREFETCH;
1897	our $MAP_PREFETCHER = undef;	2185	our $MAP_PREFETCHER = undef;
1898		2186
1899	sub find_async {	2187	sub find_async {
1900	my ($path, $origin) = @_;	2188	my ($path, $origin, $load) = @_;
1901		2189
1902	$path = normalise $path, $origin && $origin->{path};	2190	$path = normalise $path, $origin && $origin->{path};
1903		2191
1904	if (my $map = $cf::MAP{$path}) {	2192	if (my $map = $cf::MAP{$path}) {
1905	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2193	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1906	}	2194	}
1907		2195
1908	undef $MAP_PREFETCH{$path};	2196	$MAP_PREFETCH{$path} |= $load;
		2197
1909	$MAP_PREFETCHER ||= cf::async {	2198	$MAP_PREFETCHER ||= cf::async {
		2199	$Coro::current->{desc} = "map prefetcher";
		2200
1910	while (%MAP_PREFETCH) {	2201	while (%MAP_PREFETCH) {
1911	for my $path (keys %MAP_PREFETCH) {	2202	while (my ($k, $v) = each %MAP_PREFETCH) {
1912	my $map = find $path	2203	if (my $map = find $k) {
1913	or next;
1914	$map->load;	2204	$map->load if $v;
		2205	}
1915		2206
1916	delete $MAP_PREFETCH{$path};	2207	delete $MAP_PREFETCH{$k};
1917	}	2208	}
1918	}	2209	}
1919	undef $MAP_PREFETCHER;	2210	undef $MAP_PREFETCHER;
1920	};	2211	};
1921	$MAP_PREFETCHER->prio (6);	2212	$MAP_PREFETCHER->prio (6);
…		…
1924	}	2215	}
1925		2216
1926	sub save {	2217	sub save {
1927	my ($self) = @_;	2218	my ($self) = @_;
1928		2219
1929	my $lock = cf::lock_acquire "map_data:" . $self->path;	2220	my $lock = cf::lock_acquire "map_data:$self->{path}";
1930		2221
1931	$self->{last_save} = $cf::RUNTIME;	2222	$self->{last_save} = $cf::RUNTIME;
1932		2223
1933	return unless $self->dirty;	2224	return unless $self->dirty;
1934		2225
…		…
1940	return if $self->{deny_save};	2231	return if $self->{deny_save};
1941		2232
1942	local $self->{last_access} = $self->last_access;#d#	2233	local $self->{last_access} = $self->last_access;#d#
1943		2234
1944	cf::async {	2235	cf::async {
		2236	$Coro::current->{desc} = "map player save";
1945	$_->contr->save for $self->players;	2237	$_->contr->save for $self->players;
1946	};	2238	};
		2239
		2240	cf::get_slot 0.02;
1947		2241
1948	if ($uniq) {	2242	if ($uniq) {
1949	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2243	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1950	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2244	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1951	} else {	2245	} else {
…		…
1957	my ($self) = @_;	2251	my ($self) = @_;
1958		2252
1959	# save first because save cedes	2253	# save first because save cedes
1960	$self->save;	2254	$self->save;
1961		2255
1962	my $lock = cf::lock_acquire "map_data:" . $self->path;	2256	my $lock = cf::lock_acquire "map_data:$self->{path}";
1963		2257
1964	return if $self->players;	2258	return if $self->players;
1965	return if $self->in_memory != cf::MAP_IN_MEMORY;	2259	return if $self->in_memory != cf::MAP_ACTIVE;
1966	return if $self->{deny_save};	2260	return if $self->{deny_save};
1967		2261
		2262	$self->in_memory (cf::MAP_SWAPPED);
		2263
		2264	$self->deactivate;
		2265	$_->clear_links_to ($self) for values %cf::MAP;
1968	$self->clear;	2266	$self->clear;
1969	$self->in_memory (cf::MAP_SWAPPED);
1970	}	2267	}
1971		2268
1972	sub reset_at {	2269	sub reset_at {
1973	my ($self) = @_;	2270	my ($self) = @_;
1974		2271
…		…
1992		2289
1993	my $lock = cf::lock_acquire "map_data:$self->{path}";	2290	my $lock = cf::lock_acquire "map_data:$self->{path}";
1994		2291
1995	return if $self->players;	2292	return if $self->players;
1996		2293
1997	warn "resetting map ", $self->path;	2294	warn "resetting map ", $self->path, "\n";
1998		2295
1999	$self->in_memory (cf::MAP_SWAPPED);	2296	$self->in_memory (cf::MAP_SWAPPED);
2000		2297
2001	# need to save uniques path	2298	# need to save uniques path
2002	unless ($self->{deny_save}) {	2299	unless ($self->{deny_save}) {
…		…
2006	if $uniq;	2303	if $uniq;
2007	}	2304	}
2008		2305
2009	delete $cf::MAP{$self->path};	2306	delete $cf::MAP{$self->path};
2010		2307
		2308	$self->deactivate;
		2309	$_->clear_links_to ($self) for values %cf::MAP;
2011	$self->clear;	2310	$self->clear;
2012
2013	$_->clear_links_to ($self) for values %cf::MAP;
2014		2311
2015	$self->unlink_save;	2312	$self->unlink_save;
2016	$self->destroy;	2313	$self->destroy;
2017	}	2314	}
2018		2315
2019	my $nuke_counter = "aaaa";	2316	my $nuke_counter = "aaaa";
2020		2317
2021	sub nuke {	2318	sub nuke {
2022	my ($self) = @_;	2319	my ($self) = @_;
2023		2320
		2321	{
		2322	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2323
2024	delete $cf::MAP{$self->path};	2324	delete $cf::MAP{$self->path};
2025		2325
2026	$self->unlink_save;	2326	$self->unlink_save;
2027		2327
2028	bless $self, "cf::map";	2328	bless $self, "cf::map";
2029	delete $self->{deny_reset};	2329	delete $self->{deny_reset};
2030	$self->{deny_save} = 1;	2330	$self->{deny_save} = 1;
2031	$self->reset_timeout (1);	2331	$self->reset_timeout (1);
2032	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2332	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2033		2333
2034	$cf::MAP{$self->path} = $self;	2334	$cf::MAP{$self->path} = $self;
		2335	}
2035		2336
2036	$self->reset; # polite request, might not happen	2337	$self->reset; # polite request, might not happen
2037	}	2338	}
2038		2339
2039	=item $maps = cf::map::tmp_maps	2340	=item $maps = cf::map::tmp_maps
…		…
2081		2382
2082	sub unique_maps() {	2383	sub unique_maps() {
2083	[	2384	[
2084	map {	2385	map {
2085	utf8::decode $_;	2386	utf8::decode $_;
2086	/\.map$/	2387	s/\.map$//; # TODO future compatibility hack
		2388	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2389	? ()
2087	? normalise $_	2390	: normalise $_
2088	: ()
2089	} @{ aio_readdir $UNIQUEDIR or [] }	2391	} @{ aio_readdir $UNIQUEDIR or [] }
2090	]	2392	]
2091	}	2393	}
2092		2394
2093	package cf;	2395	=item cf::map::static_maps
		2396
		2397	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2398	file in the shared directory excluding F</styles> and F</editor>). May
		2399	block.
		2400
		2401	=cut
		2402
		2403	sub static_maps() {
		2404	my @dirs = "";
		2405	my @maps;
		2406
		2407	while (@dirs) {
		2408	my $dir = shift @dirs;
		2409
		2410	next if $dir eq "/styles" || $dir eq "/editor";
		2411
		2412	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2413	or return;
		2414
		2415	for (@$files) {
		2416	s/\.map$// or next;
		2417	utf8::decode $_;
		2418	push @maps, "$dir/$_";
		2419	}
		2420
		2421	push @dirs, map "$dir/$_", @$dirs;
		2422	}
		2423
		2424	\@maps
		2425	}
2094		2426
2095	=back	2427	=back
2096		2428
2097	=head3 cf::object	2429	=head3 cf::object
2098		2430
…		…
2102		2434
2103	=over 4	2435	=over 4
2104		2436
2105	=item $ob->inv_recursive	2437	=item $ob->inv_recursive
2106		2438
2107	Returns the inventory of the object _and_ their inventories, recursively.	2439	Returns the inventory of the object I<and> their inventories, recursively,
		2440	but I<not> the object itself.
2108		2441
2109	=cut	2442	=cut
2110		2443
2111	sub inv_recursive_;	2444	sub inv_recursive_;
2112	sub inv_recursive_ {	2445	sub inv_recursive_ {
…		…
2115		2448
2116	sub inv_recursive {	2449	sub inv_recursive {
2117	inv_recursive_ inv $_[0]	2450	inv_recursive_ inv $_[0]
2118	}	2451	}
2119		2452
		2453	=item $ref = $ob->ref
		2454
		2455	Creates and returns a persistent reference to an object that can be stored as a string.
		2456
		2457	=item $ob = cf::object::deref ($refstring)
		2458
		2459	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2460	even if the object actually exists. May block.
		2461
		2462	=cut
		2463
		2464	sub deref {
		2465	my ($ref) = @_;
		2466
		2467	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2468	my ($uuid, $name) = ($1, $2);
		2469	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2470	or return;
		2471	$pl->ob->uuid eq $uuid
		2472	or return;
		2473
		2474	$pl->ob
		2475	} else {
		2476	warn "$ref: cannot resolve object reference\n";
		2477	undef
		2478	}
		2479	}
		2480
2120	package cf;	2481	package cf;
2121		2482
2122	=back	2483	=back
2123		2484
2124	=head3 cf::object::player	2485	=head3 cf::object::player
…		…
2130	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2491	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	2492	can be C<undef>. Does the right thing when the player is currently in a
2132	dialogue with the given NPC character.	2493	dialogue with the given NPC character.
2133		2494
2134	=cut	2495	=cut
		2496
		2497	our $SAY_CHANNEL = {
		2498	id => "say",
		2499	title => "Map",
		2500	reply => "say ",
		2501	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2502	};
		2503
		2504	our $CHAT_CHANNEL = {
		2505	id => "chat",
		2506	title => "Chat",
		2507	reply => "chat ",
		2508	tooltip => "Player chat and shouts, global to the server.",
		2509	};
2135		2510
2136	# rough implementation of a future "reply" method that works	2511	# rough implementation of a future "reply" method that works
2137	# with dialog boxes.	2512	# with dialog boxes.
2138	#TODO: the first argument must go, split into a $npc->reply_to ( method	2513	#TODO: the first argument must go, split into a $npc->reply_to ( method
2139	sub cf::object::player::reply($$$;$) {	2514	sub cf::object::player::reply($$$;$) {
…		…
2146		2521
2147	} else {	2522	} else {
2148	my $pl = $self->contr;	2523	my $pl = $self->contr;
2149		2524
2150	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2525	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2151	my $diag = $pl->{npc_dialog};	2526	my $dialog = $pl->{npc_dialog};
2152	$diag->{pl}->ext_reply (	2527	$dialog->{pl}->ext_msg ($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		2528
2159	} else {	2529	} else {
2160	$msg = $npc->name . " says: $msg" if $npc;	2530	$msg = $npc->name . " says: $msg" if $npc;
2161	$self->message ($msg, $flags);	2531	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2162	}	2532	}
2163	}	2533	}
		2534	}
		2535
		2536	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2537
		2538	=cut
		2539
		2540	sub cf::object::send_msg {
		2541	my $pl = shift->contr
		2542	or return;
		2543	$pl->send_msg (@_);
2164	}	2544	}
2165		2545
2166	=item $player_object->may ("access")	2546	=item $player_object->may ("access")
2167		2547
2168	Returns wether the given player is authorized to access resource "access"	2548	Returns wether the given player is authorized to access resource "access"
…		…
2181		2561
2182	=item $player_object->enter_link	2562	=item $player_object->enter_link
2183		2563
2184	Freezes the player and moves him/her to a special map (C<{link}>).	2564	Freezes the player and moves him/her to a special map (C<{link}>).
2185		2565
2186	The player should be reasonably safe there for short amounts of time. You	2566	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.	2567	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2568	though, as the palyer cannot control the character while it is on the link
		2569	map.
2188		2570
2189	Will never block.	2571	Will never block.
2190		2572
2191	=item $player_object->leave_link ($map, $x, $y)	2573	=item $player_object->leave_link ($map, $x, $y)
2192		2574
…		…
2244	($x, $y) = (-1, -1)	2626	($x, $y) = (-1, -1)
2245	unless (defined $x) && (defined $y);	2627	unless (defined $x) && (defined $y);
2246		2628
2247	# use -1 or undef as default coordinates, not 0, 0	2629	# use -1 or undef as default coordinates, not 0, 0
2248	($x, $y) = ($map->enter_x, $map->enter_y)	2630	($x, $y) = ($map->enter_x, $map->enter_y)
2249	if $x <=0 && $y <= 0;	2631	if $x <= 0 && $y <= 0;
2250		2632
2251	$map->load;	2633	$map->load;
2252	$map->load_diag;	2634	$map->load_neighbours;
2253		2635
2254	return unless $self->contr->active;	2636	return unless $self->contr->active;
2255	$self->activate_recursive;
2256		2637
2257	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2638	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2258	$self->enter_map ($map, $x, $y);	2639	$self->enter_map ($map, $x, $y);
2259	}
2260		2640
		2641	# only activate afterwards, to support waiting in hooks
		2642	$self->activate_recursive;
		2643	}
		2644
2261	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2645	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2262		2646
2263	Moves the player to the given map-path and coordinates by first freezing	2647	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	2648	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	2649	that has to return the map if sucecssful, and then unfreezes the player on
2266	the new (success) or old (failed) map position.	2650	the new (success) or old (failed) map position. In either case, $done will
		2651	be called at the end of this process.
		2652
		2653	Note that $check will be called with a potentially non-loaded map, so if
		2654	it needs a loaded map it has to call C<< ->load >>.
2267		2655
2268	=cut	2656	=cut
2269		2657
2270	our $GOTOGEN;	2658	our $GOTOGEN;
2271		2659
2272	sub cf::object::player::goto {	2660	sub cf::object::player::goto {
2273	my ($self, $path, $x, $y, $check) = @_;	2661	my ($self, $path, $x, $y, $check, $done) = @_;
2274		2662
2275	# do generation counting so two concurrent goto's will be executed in-order	2663	# do generation counting so two concurrent goto's will be executed in-order
2276	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2664	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2277		2665
2278	$self->enter_link;	2666	$self->enter_link;
2279		2667
2280	(async {	2668	(async {
		2669	$Coro::current->{desc} = "player::goto $path $x $y";
		2670
		2671	# *tag paths override both path and x|y
		2672	if ($path =~ /^\*(.*)$/) {
		2673	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2674	my $ob = $obs[rand @obs];
		2675
		2676	# see if we actually can go there
		2677	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2678	$ob = $obs[rand @obs];
		2679	} else {
		2680	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2681	}
		2682	# else put us there anyways for now #d#
		2683
		2684	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2685	} else {
		2686	($path, $x, $y) = (undef, undef, undef);
		2687	}
		2688	}
		2689
2281	my $map = eval {	2690	my $map = eval {
2282	my $map = cf::map::find $path;	2691	my $map = defined $path ? cf::map::find $path : undef;
2283		2692
2284	if ($map) {	2693	if ($map) {
2285	$map = $map->customise_for ($self);	2694	$map = $map->customise_for ($self);
2286	$map = $check->($map) if $check && $map;	2695	$map = $check->($map) if $check && $map;
2287	} else {	2696	} else {
2288	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2697	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2289	}	2698	}
2290		2699
2291	$map	2700	$map
2292	};	2701	};
2293		2702
…		…
2298		2707
2299	if ($gen == $self->{_goto_generation}) {	2708	if ($gen == $self->{_goto_generation}) {
2300	delete $self->{_goto_generation};	2709	delete $self->{_goto_generation};
2301	$self->leave_link ($map, $x, $y);	2710	$self->leave_link ($map, $x, $y);
2302	}	2711	}
		2712
		2713	$done->() if $done;
2303	})->prio (1);	2714	})->prio (1);
2304	}	2715	}
2305		2716
2306	=item $player_object->enter_exit ($exit_object)	2717	=item $player_object->enter_exit ($exit_object)
2307		2718
…		…
2327	}	2738	}
2328		2739
2329	sub prepare_random_map {	2740	sub prepare_random_map {
2330	my ($exit) = @_;	2741	my ($exit) = @_;
2331		2742
2332	my $guard = cf::lock_acquire "exit_prepare:$exit";
2333
2334	# all this does is basically replace the /! path by	2743	# all this does is basically replace the /! path by
2335	# a new random map path (?random/...) with a seed	2744	# a new random map path (?random/...) with a seed
2336	# that depends on the exit object	2745	# that depends on the exit object
2337		2746
2338	my $rmp = parse_random_map_params $exit->msg;	2747	my $rmp = parse_random_map_params $exit->msg;
…		…
2340	if ($exit->map) {	2749	if ($exit->map) {
2341	$rmp->{region} = $exit->region->name;	2750	$rmp->{region} = $exit->region->name;
2342	$rmp->{origin_map} = $exit->map->path;	2751	$rmp->{origin_map} = $exit->map->path;
2343	$rmp->{origin_x} = $exit->x;	2752	$rmp->{origin_x} = $exit->x;
2344	$rmp->{origin_y} = $exit->y;	2753	$rmp->{origin_y} = $exit->y;
		2754
		2755	$exit->map->touch;
2345	}	2756	}
2346		2757
2347	$rmp->{random_seed} ||= $exit->random_seed;	2758	$rmp->{random_seed} ||= $exit->random_seed;
2348		2759
2349	my $data = cf::to_json $rmp;	2760	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2350	my $md5 = Digest::MD5::md5_hex $data;	2761	my $md5 = Digest::MD5::md5_hex $data;
2351	my $meta = "$RANDOMDIR/$md5.meta";	2762	my $meta = "$RANDOMDIR/$md5.meta";
2352		2763
2353	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2764	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2354	aio_write $fh, 0, (length $data), $data, 0;	2765	aio_write $fh, 0, (length $data), $data, 0;
2355	undef $fh;	2766	undef $fh;
2356	aio_rename "$meta~", $meta;	2767	aio_rename "$meta~", $meta;
2357		2768
		2769	my $slaying = "?random/$md5";
		2770
		2771	if ($exit->valid) {
2358	$exit->slaying ("?random/$md5");	2772	$exit->slaying ("?random/$md5");
2359	$exit->msg (undef);	2773	$exit->msg (undef);
		2774	}
2360	}	2775	}
2361	}	2776	}
2362		2777
2363	sub cf::object::player::enter_exit {	2778	sub cf::object::player::enter_exit {
2364	my ($self, $exit) = @_;	2779	my ($self, $exit) = @_;
2365		2780
2366	return unless $self->type == cf::PLAYER;	2781	return unless $self->type == cf::PLAYER;
2367		2782
2368	if ($exit->slaying eq "/!") {
2369	#TODO: this should de-fi-ni-te-ly not be a sync-job
2370	# the problem is that $exit might not survive long enough
2371	# so it needs to be done right now, right here
2372	cf::sync_job { prepare_random_map $exit };
2373	}
2374
2375	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2376	my $hp = $exit->stats->hp;
2377	my $sp = $exit->stats->sp;
2378
2379	$self->enter_link;	2783	$self->enter_link;
2380		2784
2381	# if exit is damned, update players death & WoR home-position
2382	$self->contr->savebed ($slaying, $hp, $sp)
2383	if $exit->flag (FLAG_DAMNED);
2384
2385	(async {	2785	(async {
2386	$self->deactivate_recursive; # just to be sure	2786	$Coro::current->{desc} = "enter_exit";
		2787
2387	unless (eval {	2788	unless (eval {
		2789	$self->deactivate_recursive; # just to be sure
		2790
		2791	# random map handling
		2792	{
		2793	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2794
		2795	prepare_random_map $exit
		2796	if $exit->slaying eq "/!";
		2797	}
		2798
		2799	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2800	my $x = $exit->stats->hp;
		2801	my $y = $exit->stats->sp;
		2802
2388	$self->goto ($slaying, $hp, $sp);	2803	$self->goto ($map, $x, $y);
2389		2804
		2805	# if exit is damned, update players death & WoR home-position
		2806	$self->contr->savebed ($map, $x, $y)
		2807	if $exit->flag (cf::FLAG_DAMNED);
		2808
2390	1;	2809	1
2391	}) {	2810	}) {
2392	$self->message ("Something went wrong deep within the crossfire server. "	2811	$self->message ("Something went wrong deep within the deliantra server. "
2393	. "I'll try to bring you back to the map you were before. "	2812	. "I'll try to bring you back to the map you were before. "
2394	. "Please report this to the dungeon master!",	2813	. "Please report this to the dungeon master!",
2395	cf::NDI_UNIQUE | cf::NDI_RED);	2814	cf::NDI_UNIQUE | cf::NDI_RED);
2396		2815
2397	warn "ERROR in enter_exit: $@";	2816	warn "ERROR in enter_exit: $@";
…		…
2416		2835
2417	utf8::encode $text;	2836	utf8::encode $text;
2418	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2837	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2419	}	2838	}
2420		2839
		2840	=item $client->send_big_packet ($pkt)
		2841
		2842	Like C<send_packet>, but tries to compress large packets, and fragments
		2843	them as required.
		2844
		2845	=cut
		2846
		2847	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2848
		2849	sub cf::client::send_big_packet {
		2850	my ($self, $pkt) = @_;
		2851
		2852	# try lzf for large packets
		2853	$pkt = "lzf " . Compress::LZF::compress $pkt
		2854	if 1024 <= length $pkt and $self->{can_lzf};
		2855
		2856	# split very large packets
		2857	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2858	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2859	$pkt = "frag";
		2860	}
		2861
		2862	$self->send_packet ($pkt);
		2863	}
		2864
2421	=item $client->send_msg ($color, $type, $msg, [extra...])	2865	=item $client->send_msg ($channel, $msg, $color, [extra...])
2422		2866
2423	Send a drawinfo or msg packet to the client, formatting the msg for the	2867	Send a drawinfo or msg packet to the client, formatting the msg for the
2424	client if neccessary. C<$type> should be a string identifying the type of	2868	client if neccessary. C<$type> should be a string identifying the type of
2425	the message, with C<log> being the default. If C<$color> is negative, suppress	2869	the message, with C<log> being the default. If C<$color> is negative, suppress
2426	the message unless the client supports the msg packet.	2870	the message unless the client supports the msg packet.
2427		2871
2428	=cut	2872	=cut
2429		2873
		2874	# non-persistent channels (usually the info channel)
		2875	our %CHANNEL = (
		2876	"c/motd" => {
		2877	id => "infobox",
		2878	title => "MOTD",
		2879	reply => undef,
		2880	tooltip => "The message of the day",
		2881	},
		2882	"c/identify" => {
		2883	id => "infobox",
		2884	title => "Identify",
		2885	reply => undef,
		2886	tooltip => "Items recently identified",
		2887	},
		2888	"c/examine" => {
		2889	id => "infobox",
		2890	title => "Examine",
		2891	reply => undef,
		2892	tooltip => "Signs and other items you examined",
		2893	},
		2894	"c/shopinfo" => {
		2895	id => "infobox",
		2896	title => "Shop Info",
		2897	reply => undef,
		2898	tooltip => "What your bargaining skill tells you about the shop",
		2899	},
		2900	"c/book" => {
		2901	id => "infobox",
		2902	title => "Book",
		2903	reply => undef,
		2904	tooltip => "The contents of a note or book",
		2905	},
		2906	"c/lookat" => {
		2907	id => "infobox",
		2908	title => "Look",
		2909	reply => undef,
		2910	tooltip => "What you saw there",
		2911	},
		2912	"c/who" => {
		2913	id => "infobox",
		2914	title => "Players",
		2915	reply => undef,
		2916	tooltip => "Shows players who are currently online",
		2917	},
		2918	"c/body" => {
		2919	id => "infobox",
		2920	title => "Body Parts",
		2921	reply => undef,
		2922	tooltip => "Shows which body parts you posess and are available",
		2923	},
		2924	"c/statistics" => {
		2925	id => "infobox",
		2926	title => "Statistics",
		2927	reply => undef,
		2928	tooltip => "Shows your primary statistics",
		2929	},
		2930	"c/skills" => {
		2931	id => "infobox",
		2932	title => "Skills",
		2933	reply => undef,
		2934	tooltip => "Shows your experience per skill and item power",
		2935	},
		2936	"c/shopitems" => {
		2937	id => "infobox",
		2938	title => "Shop Items",
		2939	reply => undef,
		2940	tooltip => "Shows the items currently for sale in this shop",
		2941	},
		2942	"c/resistances" => {
		2943	id => "infobox",
		2944	title => "Resistances",
		2945	reply => undef,
		2946	tooltip => "Shows your resistances",
		2947	},
		2948	"c/pets" => {
		2949	id => "infobox",
		2950	title => "Pets",
		2951	reply => undef,
		2952	tooltip => "Shows information abotu your pets/a specific pet",
		2953	},
		2954	"c/perceiveself" => {
		2955	id => "infobox",
		2956	title => "Perceive Self",
		2957	reply => undef,
		2958	tooltip => "You gained detailed knowledge about yourself",
		2959	},
		2960	"c/uptime" => {
		2961	id => "infobox",
		2962	title => "Uptime",
		2963	reply => undef,
		2964	tooltip => "How long the server has been running since last restart",
		2965	},
		2966	"c/mapinfo" => {
		2967	id => "infobox",
		2968	title => "Map Info",
		2969	reply => undef,
		2970	tooltip => "Information related to the maps",
		2971	},
		2972	"c/party" => {
		2973	id => "party",
		2974	title => "Party",
		2975	reply => "gsay ",
		2976	tooltip => "Messages and chat related to your party",
		2977	},
		2978	"c/death" => {
		2979	id => "death",
		2980	title => "Death",
		2981	reply => undef,
		2982	tooltip => "Reason for and more info about your most recent death",
		2983	},
		2984	"c/say" => $SAY_CHANNEL,
		2985	"c/chat" => $CHAT_CHANNEL,
		2986	);
		2987
2430	sub cf::client::send_msg {	2988	sub cf::client::send_msg {
2431	my ($self, $color, $type, $msg, @extra) = @_;	2989	my ($self, $channel, $msg, $color, @extra) = @_;
2432		2990
2433	$msg = $self->pl->expand_cfpod ($msg);	2991	$msg = $self->pl->expand_cfpod ($msg)
		2992	unless $color & cf::NDI_VERBATIM;
		2993
		2994	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2995
		2996	# check predefined channels, for the benefit of C
		2997	if ($CHANNEL{$channel}) {
		2998	$channel = $CHANNEL{$channel};
		2999
		3000	$self->ext_msg (channel_info => $channel);
		3001	$channel = $channel->{id};
		3002
		3003	} elsif (ref $channel) {
		3004	# send meta info to client, if not yet sent
		3005	unless (exists $self->{channel}{$channel->{id}}) {
		3006	$self->{channel}{$channel->{id}} = $channel;
		3007	$self->ext_msg (channel_info => $channel);
		3008	}
		3009
		3010	$channel = $channel->{id};
		3011	}
2434		3012
2435	return unless @extra || length $msg;	3013	return unless @extra || length $msg;
2436		3014
2437	if ($self->can_msg) {	3015	# default colour, mask it out
2438	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	3016	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2439	} else {	3017	if $color & cf::NDI_DEF;
2440	# replace some tags by gcfclient-compatible ones
2441	for ($msg) {
2442	1 while
2443	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2444	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2445	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2446	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2447	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2448	}
2449		3018
2450	if ($color >= 0) {	3019	my $pkt = "msg "
2451	if (0 && $msg =~ /\[/) {	3020	. $self->{json_coder}->encode (
2452	$self->send_packet ("drawextinfo $color 4 0 $msg")	3021	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2453	} else {	3022	);
2454	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2455	$self->send_packet ("drawinfo $color $msg")
2456	}
2457	}
2458	}
2459	}
2460		3023
		3024	$self->send_big_packet ($pkt);
		3025	}
		3026
2461	=item $client->ext_event ($type, %msg)	3027	=item $client->ext_msg ($type, @msg)
2462		3028
2463	Sends an ext event to the client.	3029	Sends an ext event to the client.
2464		3030
2465	=cut	3031	=cut
2466		3032
2467	sub cf::client::ext_event($$%) {	3033	sub cf::client::ext_msg($$@) {
2468	my ($self, $type, %msg) = @_;	3034	my ($self, $type, @msg) = @_;
2469		3035
		3036	if ($self->extcmd == 2) {
		3037	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3038	} elsif ($self->extcmd == 1) { # TODO: remove
2470	$msg{msgtype} = "event_$type";	3039	push @msg, msgtype => "event_$type";
2471	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3040	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3041	}
		3042	}
		3043
		3044	=item $client->ext_reply ($msgid, @msg)
		3045
		3046	Sends an ext reply to the client.
		3047
		3048	=cut
		3049
		3050	sub cf::client::ext_reply($$@) {
		3051	my ($self, $id, @msg) = @_;
		3052
		3053	if ($self->extcmd == 2) {
		3054	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3055	} elsif ($self->extcmd == 1) {
		3056	#TODO: version 1, remove
		3057	unshift @msg, msgtype => "reply", msgid => $id;
		3058	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3059	}
2472	}	3060	}
2473		3061
2474	=item $success = $client->query ($flags, "text", \&cb)	3062	=item $success = $client->query ($flags, "text", \&cb)
2475		3063
2476	Queues a query to the client, calling the given callback with	3064	Queues a query to the client, calling the given callback with
…		…
2531	my ($ns, $buf) = @_;	3119	my ($ns, $buf) = @_;
2532		3120
2533	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3121	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2534		3122
2535	if (ref $msg) {	3123	if (ref $msg) {
		3124	my ($type, $reply, @payload) =
		3125	"ARRAY" eq ref $msg
		3126	? @$msg
		3127	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3128
		3129	my @reply;
		3130
2536	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3131	if (my $cb = $EXTICMD{$type}) {
2537	if (my %reply = $cb->($ns, $msg)) {	3132	@reply = $cb->($ns, @payload);
2538	$reply{msgid} = $msg->{msgid};
2539	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2540	}
2541	}	3133	}
		3134
		3135	$ns->ext_reply ($reply, @reply)
		3136	if $reply;
		3137
2542	} else {	3138	} else {
2543	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3139	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2544	}	3140	}
2545		3141
2546	cf::override;	3142	cf::override;
…		…
2568		3164
2569	$coro	3165	$coro
2570	}	3166	}
2571		3167
2572	cf::client->attach (	3168	cf::client->attach (
2573	on_destroy => sub {	3169	on_client_destroy => sub {
2574	my ($ns) = @_;	3170	my ($ns) = @_;
2575		3171
2576	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3172	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2577	},	3173	},
2578	);	3174	);
…		…
2593	our $safe = new Safe "safe";	3189	our $safe = new Safe "safe";
2594	our $safe_hole = new Safe::Hole;	3190	our $safe_hole = new Safe::Hole;
2595		3191
2596	$SIG{FPE} = 'IGNORE';	3192	$SIG{FPE} = 'IGNORE';
2597		3193
2598	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3194	$safe->permit_only (Opcode::opset qw(
		3195	:base_core :base_mem :base_orig :base_math :base_loop
		3196	grepstart grepwhile mapstart mapwhile
		3197	sort time
		3198	));
2599		3199
2600	# here we export the classes and methods available to script code	3200	# here we export the classes and methods available to script code
2601		3201
2602	=pod	3202	=pod
2603		3203
2604	The following functions and methods are available within a safe environment:	3204	The following functions and methods are available within a safe environment:
2605		3205
2606	cf::object	3206	cf::object
2607	contr pay_amount pay_player map x y force_find force_add	3207	contr pay_amount pay_player map x y force_find force_add destroy
2608	insert remove	3208	insert remove name archname title slaying race decrease split
		3209	value
2609		3210
2610	cf::object::player	3211	cf::object::player
2611	player	3212	player
2612		3213
2613	cf::player	3214	cf::player
…		…
2618		3219
2619	=cut	3220	=cut
2620		3221
2621	for (	3222	for (
2622	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3223	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2623	insert remove)],	3224	insert remove inv nrof name archname title slaying race
		3225	decrease split destroy change_exp value msg lore send_msg)],
2624	["cf::object::player" => qw(player)],	3226	["cf::object::player" => qw(player)],
2625	["cf::player" => qw(peaceful)],	3227	["cf::player" => qw(peaceful send_msg)],
2626	["cf::map" => qw(trigger)],	3228	["cf::map" => qw(trigger)],
2627	) {	3229	) {
2628	no strict 'refs';	3230	no strict 'refs';
2629	my ($pkg, @funs) = @$_;	3231	my ($pkg, @funs) = @$_;
2630	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3232	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2648		3250
2649	my $qcode = $code;	3251	my $qcode = $code;
2650	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3252	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2651	$qcode =~ s/\n/\\n/g;	3253	$qcode =~ s/\n/\\n/g;
2652		3254
		3255	%vars = (_dummy => 0) unless %vars;
		3256
		3257	my @res;
2653	local $_;	3258	local $_;
2654	local @safe::cf::_safe_eval_args = values %vars;
2655		3259
2656	my $eval =	3260	my $eval =
2657	"do {\n"	3261	"do {\n"
2658	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3262	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2659	. "#line 0 \"{$qcode}\"\n"	3263	. "#line 0 \"{$qcode}\"\n"
2660	. $code	3264	. $code
2661	. "\n}"	3265	. "\n}"
2662	;	3266	;
2663		3267
		3268	if ($CFG{safe_eval}) {
2664	sub_generation_inc;	3269	sub_generation_inc;
		3270	local @safe::cf::_safe_eval_args = values %vars;
2665	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3271	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2666	sub_generation_inc;	3272	sub_generation_inc;
		3273	} else {
		3274	local @cf::_safe_eval_args = values %vars;
		3275	@res = wantarray ? eval eval : scalar eval $eval;
		3276	}
2667		3277
2668	if ($@) {	3278	if ($@) {
2669	warn "$@";	3279	warn "$@";
2670	warn "while executing safe code '$code'\n";	3280	warn "while executing safe code '$code'\n";
2671	warn "with arguments " . (join " ", %vars) . "\n";	3281	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2690	=cut	3300	=cut
2691		3301
2692	sub register_script_function {	3302	sub register_script_function {
2693	my ($fun, $cb) = @_;	3303	my ($fun, $cb) = @_;
2694		3304
2695	no strict 'refs';	3305	$fun = "safe::$fun" if $CFG{safe_eval};
2696	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3306	*$fun = $safe_hole->wrap ($cb);
2697	}	3307	}
2698		3308
2699	=back	3309	=back
2700		3310
2701	=cut	3311	=cut
…		…
2703	#############################################################################	3313	#############################################################################
2704	# the server's init and main functions	3314	# the server's init and main functions
2705		3315
2706	sub load_facedata($) {	3316	sub load_facedata($) {
2707	my ($path) = @_;	3317	my ($path) = @_;
		3318
		3319	# HACK to clear player env face cache, we need some signal framework
		3320	# for this (global event?)
		3321	%ext::player_env::MUSIC_FACE_CACHE = ();
		3322
		3323	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2708		3324
2709	warn "loading facedata from $path\n";	3325	warn "loading facedata from $path\n";
2710		3326
2711	my $facedata;	3327	my $facedata;
2712	0 < aio_load $path, $facedata	3328	0 < aio_load $path, $facedata
…		…
2715	$facedata = Coro::Storable::thaw $facedata;	3331	$facedata = Coro::Storable::thaw $facedata;
2716		3332
2717	$facedata->{version} == 2	3333	$facedata->{version} == 2
2718	or cf::cleanup "$path: version mismatch, cannot proceed.";	3334	or cf::cleanup "$path: version mismatch, cannot proceed.";
2719		3335
		3336	# patch in the exptable
		3337	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3338	$facedata->{resource}{"res/exp_table"} = {
		3339	type => FT_RSRC,
		3340	data => $exp_table,
		3341	hash => (Digest::MD5::md5 $exp_table),
		3342	};
		3343	cf::cede_to_tick;
		3344
2720	{	3345	{
2721	my $faces = $facedata->{faceinfo};	3346	my $faces = $facedata->{faceinfo};
2722		3347
2723	while (my ($face, $info) = each %$faces) {	3348	while (my ($face, $info) = each %$faces) {
2724	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3349	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3350
2725	cf::face::set_visibility $idx, $info->{visibility};	3351	cf::face::set_visibility $idx, $info->{visibility};
2726	cf::face::set_magicmap $idx, $info->{magicmap};	3352	cf::face::set_magicmap $idx, $info->{magicmap};
2727	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3353	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2728	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3354	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2729		3355
2730	cf::cede_to_tick;	3356	cf::cede_to_tick;
2731	}	3357	}
2732		3358
2733	while (my ($face, $info) = each %$faces) {	3359	while (my ($face, $info) = each %$faces) {
2734	next unless $info->{smooth};	3360	next unless $info->{smooth};
		3361
2735	my $idx = cf::face::find $face	3362	my $idx = cf::face::find $face
2736	or next;	3363	or next;
		3364
2737	if (my $smooth = cf::face::find $info->{smooth}) {	3365	if (my $smooth = cf::face::find $info->{smooth}) {
2738	cf::face::set_smooth $idx, $smooth;	3366	cf::face::set_smooth $idx, $smooth;
2739	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3367	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2740	} else {	3368	} else {
2741	warn "smooth face '$info->{smooth}' not found for face '$face'";	3369	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2755		3383
2756	cf::anim::invalidate_all; # d'oh	3384	cf::anim::invalidate_all; # d'oh
2757	}	3385	}
2758		3386
2759	{	3387	{
2760	# TODO: for gcfclient pleasure, we should give resources
2761	# that gcfclient doesn't grok a >10000 face index.
2762	my $res = $facedata->{resource};	3388	my $res = $facedata->{resource};
2763	my $enc = JSON::XS->new->utf8->canonical;
2764		3389
2765	while (my ($name, $info) = each %$res) {	3390	while (my ($name, $info) = each %$res) {
2766	my $meta = $enc->encode ({	3391	if (defined $info->{type}) {
2767	name => $name,
2768	type => $info->{type},
2769	copyright => $info->{copyright}, #TODO#
2770	});
2771	my $data = pack "(w/a*)*", $meta, $info->{data};
2772	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2773
2774	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3392	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3393
		3394	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
2775	cf::face::set_type $idx, 1;	3395	cf::face::set_type $idx, $info->{type};
2776	cf::face::set_data $idx, 0, $data, $chk;	3396	} else {
		3397	$RESOURCE{$name} = $info;
		3398	}
2777		3399
2778	cf::cede_to_tick;	3400	cf::cede_to_tick;
2779	}	3401	}
2780	}	3402	}
2781		3403
		3404	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3405
2782	1	3406	1
2783	}	3407	}
2784		3408
		3409	cf::global->attach (on_resource_update => sub {
		3410	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3411	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3412
		3413	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3414	my $sound = $soundconf->{compat}[$_]
		3415	or next;
		3416
		3417	my $face = cf::face::find "sound/$sound->[1]";
		3418	cf::sound::set $sound->[0] => $face;
		3419	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3420	}
		3421
		3422	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3423	my $face = cf::face::find "sound/$v";
		3424	cf::sound::set $k => $face;
		3425	}
		3426	}
		3427	});
		3428
		3429	register_exticmd fx_want => sub {
		3430	my ($ns, $want) = @_;
		3431
		3432	while (my ($k, $v) = each %$want) {
		3433	$ns->fx_want ($k, $v);
		3434	}
		3435	};
		3436
		3437	sub load_resource_file($) {
		3438	my $guard = lock_acquire "load_resource_file";
		3439
		3440	my $status = load_resource_file_ $_[0];
		3441	get_slot 0.1, 100;
		3442	cf::arch::commit_load;
		3443
		3444	$status
		3445	}
		3446
2785	sub reload_regions {	3447	sub reload_regions {
		3448	# HACK to clear player env face cache, we need some signal framework
		3449	# for this (global event?)
		3450	%ext::player_env::MUSIC_FACE_CACHE = ();
		3451
2786	load_resource_file "$MAPDIR/regions"	3452	load_resource_file "$MAPDIR/regions"
2787	or die "unable to load regions file\n";	3453	or die "unable to load regions file\n";
		3454
		3455	for (cf::region::list) {
		3456	$_->{match} = qr/$_->{match}/
		3457	if exists $_->{match};
		3458	}
2788	}	3459	}
2789		3460
2790	sub reload_facedata {	3461	sub reload_facedata {
2791	load_facedata "$DATADIR/facedata"	3462	load_facedata "$DATADIR/facedata"
2792	or die "unable to load facedata\n";	3463	or die "unable to load facedata\n";
2793	}	3464	}
2794		3465
2795	sub reload_archetypes {	3466	sub reload_archetypes {
2796	load_resource_file "$DATADIR/archetypes"	3467	load_resource_file "$DATADIR/archetypes"
2797	or die "unable to load archetypes\n";	3468	or die "unable to load archetypes\n";
2798	#d# NEED to laod twice to resolve forward references
2799	# this really needs to be done in an extra post-pass
2800	# (which needs to be synchronous, so solve it differently)
2801	load_resource_file "$DATADIR/archetypes"
2802	or die "unable to load archetypes\n";
2803	}	3469	}
2804		3470
2805	sub reload_treasures {	3471	sub reload_treasures {
2806	load_resource_file "$DATADIR/treasures"	3472	load_resource_file "$DATADIR/treasures"
2807	or die "unable to load treasurelists\n";	3473	or die "unable to load treasurelists\n";
2808	}	3474	}
2809		3475
2810	sub reload_resources {	3476	sub reload_resources {
2811	warn "reloading resource files...\n";	3477	warn "reloading resource files...\n";
2812		3478
		3479	reload_facedata;
		3480	reload_archetypes;
2813	reload_regions;	3481	reload_regions;
2814	reload_facedata;
2815	#reload_archetypes;#d#
2816	reload_archetypes;
2817	reload_treasures;	3482	reload_treasures;
2818		3483
2819	warn "finished reloading resource files\n";	3484	warn "finished reloading resource files\n";
2820	}	3485	}
2821		3486
2822	sub init {	3487	sub reload_config {
2823	reload_resources;	3488	warn "reloading config file...\n";
2824	}
2825		3489
2826	sub cfg_load {
2827	open my $fh, "<:utf8", "$CONFDIR/config"	3490	open my $fh, "<:utf8", "$CONFDIR/config"
2828	or return;	3491	or return;
2829		3492
2830	local $/;	3493	local $/;
2831	*CFG = YAML::Syck::Load <$fh>;	3494	*CFG = YAML::XS::Load scalar <$fh>;
2832		3495
2833	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3496	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2834		3497
2835	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3498	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2836	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3499	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2840	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3503	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2841	and die "WARNING: m(un)lockall failed: $!\n";	3504	and die "WARNING: m(un)lockall failed: $!\n";
2842	};	3505	};
2843	warn $@ if $@;	3506	warn $@ if $@;
2844	}	3507	}
		3508
		3509	warn "finished reloading resource files\n";
		3510	}
		3511
		3512	sub pidfile() {
		3513	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3514	or die "$PIDFILE: $!";
		3515	flock $fh, &Fcntl::LOCK_EX
		3516	or die "$PIDFILE: flock: $!";
		3517	$fh
		3518	}
		3519
		3520	# make sure only one server instance is running at any one time
		3521	sub atomic {
		3522	my $fh = pidfile;
		3523
		3524	my $pid = <$fh>;
		3525	kill 9, $pid if $pid > 0;
		3526
		3527	seek $fh, 0, 0;
		3528	print $fh $$;
		3529	}
		3530
		3531	sub main_loop {
		3532	warn "EV::loop starting\n";
		3533	if (1) {
		3534	EV::loop;
		3535	}
		3536	warn "EV::loop returned\n";
		3537	goto &main_loop unless $REALLY_UNLOOP;
2845	}	3538	}
2846		3539
2847	sub main {	3540	sub main {
		3541	cf::init_globals; # initialise logging
		3542
		3543	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3544	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3545	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3546	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3547
		3548	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3549
2848	# we must not ever block the main coroutine	3550	# we must not ever block the main coroutine
2849	local $Coro::idle = sub {	3551	local $Coro::idle = sub {
2850	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3552	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2851	(async {	3553	(async {
2852	Event::one_event;	3554	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3555	EV::loop EV::LOOP_ONESHOT;
2853	})->prio (Coro::PRIO_MAX);	3556	})->prio (Coro::PRIO_MAX);
2854	};	3557	};
2855		3558
2856	cfg_load;	3559	evthread_start IO::AIO::poll_fileno;
		3560
		3561	cf::sync_job {
		3562	cf::init_experience;
		3563	cf::init_anim;
		3564	cf::init_attackmess;
		3565	cf::init_dynamic;
		3566
		3567	cf::load_settings;
		3568	cf::load_materials;
		3569
		3570	reload_resources;
		3571	reload_config;
2857	db_init;	3572	db_init;
		3573
		3574	cf::init_uuid;
		3575	cf::init_signals;
		3576	cf::init_skills;
		3577
		3578	cf::init_beforeplay;
		3579
		3580	atomic;
		3581
2858	load_extensions;	3582	load_extensions;
2859		3583
2860	$TICK_WATCHER->start;	3584	utime time, time, $RUNTIMEFILE;
2861	Event::loop;	3585
		3586	# no (long-running) fork's whatsoever before this point(!)
		3587	use POSIX ();
		3588	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3589
		3590	(pop @POST_INIT)->(0) while @POST_INIT;
		3591	};
		3592
		3593	main_loop;
2862	}	3594	}
2863		3595
2864	#############################################################################	3596	#############################################################################
2865	# initialisation and cleanup	3597	# initialisation and cleanup
2866		3598
2867	# install some emergency cleanup handlers	3599	# install some emergency cleanup handlers
2868	BEGIN {	3600	BEGIN {
		3601	our %SIGWATCHER = ();
2869	for my $signal (qw(INT HUP TERM)) {	3602	for my $signal (qw(INT HUP TERM)) {
2870	Event->signal (	3603	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2871	reentrant => 0,
2872	data => WF_AUTOCANCEL,
2873	signal => $signal,
2874	prio => 0,
2875	cb => sub {
2876	cf::cleanup "SIG$signal";	3604	cf::cleanup "SIG$signal";
2877	},
2878	);	3605	};
2879	}	3606	}
2880	}	3607	}
2881		3608
2882	sub write_runtime {	3609	sub write_runtime_sync {
2883	my $runtime = "$LOCALDIR/runtime";	3610	my $t0 = AE::time;
2884		3611
2885	# first touch the runtime file to show we are still running:	3612	# first touch the runtime file to show we are still running:
2886	# the fsync below can take a very very long time.	3613	# the fsync below can take a very very long time.
2887		3614
2888	IO::AIO::aio_utime $runtime, undef, undef;	3615	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2889		3616
2890	my $guard = cf::lock_acquire "write_runtime";	3617	my $guard = cf::lock_acquire "write_runtime";
2891		3618
2892	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3619	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2893	or return;	3620	or return;
2894		3621
2895	my $value = $cf::RUNTIME + 90 + 10;	3622	my $value = $cf::RUNTIME + 90 + 10;
2896	# 10 is the runtime save interval, for a monotonic clock	3623	# 10 is the runtime save interval, for a monotonic clock
2897	# 60 allows for the watchdog to kill the server.	3624	# 60 allows for the watchdog to kill the server.
…		…
2907	aio_utime $fh, undef, undef;	3634	aio_utime $fh, undef, undef;
2908		3635
2909	close $fh	3636	close $fh
2910	or return;	3637	or return;
2911		3638
2912	aio_rename "$runtime~", $runtime	3639	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2913	and return;	3640	and return;
2914		3641
2915	warn "runtime file written.\n";	3642	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
2916		3643
2917	1	3644	1
		3645	}
		3646
		3647	our $uuid_lock;
		3648	our $uuid_skip;
		3649
		3650	sub write_uuid_sync($) {
		3651	$uuid_skip ||= $_[0];
		3652
		3653	return if $uuid_lock;
		3654	local $uuid_lock = 1;
		3655
		3656	my $uuid = "$LOCALDIR/uuid";
		3657
		3658	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3659	or return;
		3660
		3661	my $value = uuid_seq uuid_cur;
		3662
		3663	unless ($value) {
		3664	warn "cowardly refusing to write zero uuid value!\n";
		3665	return;
		3666	}
		3667
		3668	my $value = uuid_str $value + $uuid_skip;
		3669	$uuid_skip = 0;
		3670
		3671	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3672	and return;
		3673
		3674	# always fsync - this file is important
		3675	aio_fsync $fh
		3676	and return;
		3677
		3678	close $fh
		3679	or return;
		3680
		3681	aio_rename "$uuid~", $uuid
		3682	and return;
		3683
		3684	warn "uuid file written ($value).\n";
		3685
		3686	1
		3687
		3688	}
		3689
		3690	sub write_uuid($$) {
		3691	my ($skip, $sync) = @_;
		3692
		3693	$sync ? write_uuid_sync $skip
		3694	: async { write_uuid_sync $skip };
2918	}	3695	}
2919		3696
2920	sub emergency_save() {	3697	sub emergency_save() {
2921	my $freeze_guard = cf::freeze_mainloop;	3698	my $freeze_guard = cf::freeze_mainloop;
2922		3699
2923	warn "enter emergency perl save\n";	3700	warn "emergency_perl_save: enter\n";
2924		3701
2925	cf::sync_job {	3702	cf::sync_job {
		3703	# this is a trade-off: we want to be very quick here, so
		3704	# save all maps without fsync, and later call a global sync
		3705	# (which in turn might be very very slow)
		3706	local $USE_FSYNC = 0;
		3707
2926	# use a peculiar iteration method to avoid tripping on perl	3708	# use a peculiar iteration method to avoid tripping on perl
2927	# refcount bugs in for. also avoids problems with players	3709	# refcount bugs in for. also avoids problems with players
2928	# and maps saved/destroyed asynchronously.	3710	# and maps saved/destroyed asynchronously.
2929	warn "begin emergency player save\n";	3711	warn "emergency_perl_save: begin player save\n";
2930	for my $login (keys %cf::PLAYER) {	3712	for my $login (keys %cf::PLAYER) {
2931	my $pl = $cf::PLAYER{$login} or next;	3713	my $pl = $cf::PLAYER{$login} or next;
2932	$pl->valid or next;	3714	$pl->valid or next;
		3715	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2933	$pl->save;	3716	$pl->save;
2934	}	3717	}
2935	warn "end emergency player save\n";	3718	warn "emergency_perl_save: end player save\n";
2936		3719
2937	warn "begin emergency map save\n";	3720	warn "emergency_perl_save: begin map save\n";
2938	for my $path (keys %cf::MAP) {	3721	for my $path (keys %cf::MAP) {
2939	my $map = $cf::MAP{$path} or next;	3722	my $map = $cf::MAP{$path} or next;
2940	$map->valid or next;	3723	$map->valid or next;
2941	$map->save;	3724	$map->save;
2942	}	3725	}
2943	warn "end emergency map save\n";	3726	warn "emergency_perl_save: end map save\n";
2944		3727
2945	warn "begin emergency database checkpoint\n";	3728	warn "emergency_perl_save: begin database checkpoint\n";
2946	BDB::db_env_txn_checkpoint $DB_ENV;	3729	BDB::db_env_txn_checkpoint $DB_ENV;
2947	warn "end emergency database checkpoint\n";	3730	warn "emergency_perl_save: end database checkpoint\n";
		3731
		3732	warn "emergency_perl_save: begin write uuid\n";
		3733	write_uuid_sync 1;
		3734	warn "emergency_perl_save: end write uuid\n";
2948	};	3735	};
2949		3736
		3737	warn "emergency_perl_save: starting sync()\n";
		3738	IO::AIO::aio_sync sub {
		3739	warn "emergency_perl_save: finished sync()\n";
		3740	};
		3741
2950	warn "leave emergency perl save\n";	3742	warn "emergency_perl_save: leave\n";
2951	}	3743	}
2952		3744
2953	sub post_cleanup {	3745	sub post_cleanup {
2954	my ($make_core) = @_;	3746	my ($make_core) = @_;
2955		3747
2956	warn Carp::longmess "post_cleanup backtrace"	3748	warn Carp::longmess "post_cleanup backtrace"
2957	if $make_core;	3749	if $make_core;
		3750
		3751	my $fh = pidfile;
		3752	unlink $PIDFILE if <$fh> == $$;
		3753	}
		3754
		3755	# a safer delete_package, copied from Symbol
		3756	sub clear_package($) {
		3757	my $pkg = shift;
		3758
		3759	# expand to full symbol table name if needed
		3760	unless ($pkg =~ /^main::.*::$/) {
		3761	$pkg = "main$pkg" if $pkg =~ /^::/;
		3762	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3763	$pkg .= '::' unless $pkg =~ /::$/;
		3764	}
		3765
		3766	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3767	my $stem_symtab = *{$stem}{HASH};
		3768
		3769	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3770	or return;
		3771
		3772	# clear all symbols
		3773	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3774	for my $name (keys %$leaf_symtab) {
		3775	_gv_clear *{"$pkg$name"};
		3776	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3777	}
		3778	warn "cleared package $pkg\n";#d#
2958	}	3779	}
2959		3780
2960	sub do_reload_perl() {	3781	sub do_reload_perl() {
2961	# can/must only be called in main	3782	# can/must only be called in main
2962	if ($Coro::current != $Coro::main) {	3783	if ($Coro::current != $Coro::main) {
2963	warn "can only reload from main coroutine";	3784	warn "can only reload from main coroutine";
2964	return;	3785	return;
2965	}	3786	}
2966		3787
		3788	return if $RELOAD++;
		3789
		3790	my $t1 = AE::time;
		3791
		3792	while ($RELOAD) {
2967	warn "reloading...";	3793	warn "reloading...";
2968		3794
2969	warn "entering sync_job";	3795	warn "entering sync_job";
2970		3796
2971	cf::sync_job {	3797	cf::sync_job {
2972	cf::write_runtime; # external watchdog should not bark	3798	cf::write_runtime_sync; # external watchdog should not bark
2973	cf::emergency_save;	3799	cf::emergency_save;
2974	cf::write_runtime; # external watchdog should not bark	3800	cf::write_runtime_sync; # external watchdog should not bark
2975		3801
2976	warn "syncing database to disk";	3802	warn "syncing database to disk";
2977	BDB::db_env_txn_checkpoint $DB_ENV;	3803	BDB::db_env_txn_checkpoint $DB_ENV;
2978		3804
2979	# if anything goes wrong in here, we should simply crash as we already saved	3805	# if anything goes wrong in here, we should simply crash as we already saved
2980		3806
2981	warn "cancelling all WF_AUTOCANCEL watchers";
2982	for (Event::all_watchers) {
2983	$_->cancel if $_->data & WF_AUTOCANCEL;
2984	}
2985
2986	warn "flushing outstanding aio requests";	3807	warn "flushing outstanding aio requests";
2987	for (;;) {
2988	BDB::flush;
2989	IO::AIO::flush;
2990	Coro::cede;
2991	last unless IO::AIO::nreqs || BDB::nreqs;	3808	while (IO::AIO::nreqs || BDB::nreqs) {
2992	warn "iterate...";	3809	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2993	}
2994
2995	++$RELOAD;
2996
2997	warn "cancelling all extension coros";
2998	$_->cancel for values %EXT_CORO;
2999	%EXT_CORO = ();
3000
3001	warn "removing commands";
3002	%COMMAND = ();
3003
3004	warn "removing ext/exti commands";
3005	%EXTCMD = ();
3006	%EXTICMD = ();
3007
3008	warn "unloading/nuking all extensions";
3009	for my $pkg (@EXTS) {
3010	warn "... unloading $pkg";
3011
3012	if (my $cb = $pkg->can ("unload")) {
3013	eval {
3014	$cb->($pkg);
3015	1
3016	} or warn "$pkg unloaded, but with errors: $@";
3017	}	3810	}
3018		3811
3019	warn "... nuking $pkg";	3812	warn "cancelling all extension coros";
3020	Symbol::delete_package $pkg;	3813	$_->cancel for values %EXT_CORO;
3021	}	3814	%EXT_CORO = ();
3022		3815
3023	warn "unloading all perl modules loaded from $LIBDIR";	3816	warn "removing commands";
3024	while (my ($k, $v) = each %INC) {	3817	%COMMAND = ();
3025	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3026		3818
		3819	warn "removing ext/exti commands";
		3820	%EXTCMD = ();
		3821	%EXTICMD = ();
		3822
		3823	warn "unloading/nuking all extensions";
		3824	for my $pkg (@EXTS) {
3027	warn "... unloading $k";	3825	warn "... unloading $pkg";
3028	delete $INC{$k};
3029		3826
3030	$k =~ s/\.pm$//;
3031	$k =~ s/\//::/g;
3032
3033	if (my $cb = $k->can ("unload_module")) {	3827	if (my $cb = $pkg->can ("unload")) {
		3828	eval {
3034	$cb->();	3829	$cb->($pkg);
		3830	1
		3831	} or warn "$pkg unloaded, but with errors: $@";
		3832	}
		3833
		3834	warn "... clearing $pkg";
		3835	clear_package $pkg;
3035	}	3836	}
3036		3837
3037	Symbol::delete_package $k;	3838	warn "unloading all perl modules loaded from $LIBDIR";
		3839	while (my ($k, $v) = each %INC) {
		3840	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3841
		3842	warn "... unloading $k";
		3843	delete $INC{$k};
		3844
		3845	$k =~ s/\.pm$//;
		3846	$k =~ s/\//::/g;
		3847
		3848	if (my $cb = $k->can ("unload_module")) {
		3849	$cb->();
		3850	}
		3851
		3852	clear_package $k;
3038	}	3853	}
3039		3854
3040	warn "getting rid of safe::, as good as possible";	3855	warn "getting rid of safe::, as good as possible";
3041	Symbol::delete_package "safe::$_"	3856	clear_package "safe::$_"
3042	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3857	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3043		3858
3044	warn "unloading cf.pm \"a bit\"";	3859	warn "unloading cf.pm \"a bit\"";
3045	delete $INC{"cf.pm"};	3860	delete $INC{"cf.pm"};
3046	delete $INC{"cf/pod.pm"};	3861	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3047		3862
3048	# don't, removes xs symbols, too,	3863	# don't, removes xs symbols, too,
3049	# and global variables created in xs	3864	# and global variables created in xs
3050	#Symbol::delete_package __PACKAGE__;	3865	#clear_package __PACKAGE__;
3051		3866
3052	warn "unload completed, starting to reload now";	3867	warn "unload completed, starting to reload now";
3053		3868
3054	warn "reloading cf.pm";	3869	warn "reloading cf.pm";
3055	require cf;	3870	require cf;
3056	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3871	cf::_connect_to_perl_1;
3057		3872
3058	warn "loading config and database again";	3873	warn "loading config and database again";
3059	cf::cfg_load;	3874	cf::reload_config;
3060		3875
3061	warn "loading extensions";	3876	warn "loading extensions";
3062	cf::load_extensions;	3877	cf::load_extensions;
3063		3878
		3879	if ($REATTACH_ON_RELOAD) {
3064	warn "reattaching attachments to objects/players";	3880	warn "reattaching attachments to objects/players";
3065	_global_reattach; # objects, sockets	3881	_global_reattach; # objects, sockets
3066	warn "reattaching attachments to maps";	3882	warn "reattaching attachments to maps";
3067	reattach $_ for values %MAP;	3883	reattach $_ for values %MAP;
3068	warn "reattaching attachments to players";	3884	warn "reattaching attachments to players";
3069	reattach $_ for values %PLAYER;	3885	reattach $_ for values %PLAYER;
		3886	}
3070		3887
		3888	warn "running post_init jobs";
		3889	(pop @POST_INIT)->(1) while @POST_INIT;
		3890
3071	warn "leaving sync_job";	3891	warn "leaving sync_job";
3072		3892
3073	1	3893	1
3074	} or do {	3894	} or do {
3075	warn $@;	3895	warn $@;
3076	warn "error while reloading, exiting.";	3896	cf::cleanup "error while reloading, exiting.";
3077	exit 1;
3078	};	3897	};
3079		3898
3080	warn "reloaded";	3899	warn "reloaded";
		3900	--$RELOAD;
		3901	}
		3902
		3903	$t1 = AE::time - $t1;
		3904	warn "reload completed in ${t1}s\n";
3081	};	3905	};
3082		3906
3083	our $RELOAD_WATCHER; # used only during reload	3907	our $RELOAD_WATCHER; # used only during reload
3084		3908
3085	sub reload_perl() {	3909	sub reload_perl() {
3086	# doing reload synchronously and two reloads happen back-to-back,	3910	# doing reload synchronously and two reloads happen back-to-back,
3087	# coro crashes during coro_state_free->destroy here.	3911	# coro crashes during coro_state_free->destroy here.
3088		3912
3089	$RELOAD_WATCHER ||= Event->timer (	3913	$RELOAD_WATCHER ||= cf::async {
3090	reentrant => 0,	3914	Coro::AIO::aio_wait cache_extensions;
3091	after => 0,	3915
3092	data => WF_AUTOCANCEL,	3916	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3093	cb => sub {
3094	do_reload_perl;	3917	do_reload_perl;
3095	undef $RELOAD_WATCHER;	3918	undef $RELOAD_WATCHER;
3096	},	3919	};
3097	);	3920	};
3098	}	3921	}
3099		3922
3100	register_command "reload" => sub {	3923	register_command "reload" => sub {
3101	my ($who, $arg) = @_;	3924	my ($who, $arg) = @_;
3102		3925
3103	if ($who->flag (FLAG_WIZ)) {	3926	if ($who->flag (FLAG_WIZ)) {
3104	$who->message ("reloading server.");	3927	$who->message ("reloading server.");
		3928	async {
		3929	$Coro::current->{desc} = "perl_reload";
3105	async { reload_perl };	3930	reload_perl;
		3931	};
3106	}	3932	}
3107	};	3933	};
3108		3934
3109	unshift @INC, $LIBDIR;	3935	unshift @INC, $LIBDIR;
3110		3936
…		…
3112		3938
3113	our @WAIT_FOR_TICK;	3939	our @WAIT_FOR_TICK;
3114	our @WAIT_FOR_TICK_BEGIN;	3940	our @WAIT_FOR_TICK_BEGIN;
3115		3941
3116	sub wait_for_tick {	3942	sub wait_for_tick {
3117	return unless $TICK_WATCHER->is_active;
3118	return if $Coro::current == $Coro::main;	3943	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3119		3944
3120	my $signal = new Coro::Signal;	3945	my $signal = new Coro::Signal;
3121	push @WAIT_FOR_TICK, $signal;	3946	push @WAIT_FOR_TICK, $signal;
3122	$signal->wait;	3947	$signal->wait;
3123	}	3948	}
3124		3949
3125	sub wait_for_tick_begin {	3950	sub wait_for_tick_begin {
3126	return unless $TICK_WATCHER->is_active;
3127	return if $Coro::current == $Coro::main;	3951	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3128		3952
3129	my $signal = new Coro::Signal;	3953	my $signal = new Coro::Signal;
3130	push @WAIT_FOR_TICK_BEGIN, $signal;	3954	push @WAIT_FOR_TICK_BEGIN, $signal;
3131	$signal->wait;	3955	$signal->wait;
3132	}	3956	}
3133		3957
3134	my $min = 1e6;#d#	3958	sub tick {
3135	my $avg = 10;
3136	$TICK_WATCHER = Event->timer (
3137	reentrant => 0,
3138	parked => 1,
3139	prio => 0,
3140	at => $NEXT_TICK || $TICK,
3141	data => WF_AUTOCANCEL,
3142	cb => sub {
3143	if ($Coro::current != $Coro::main) {	3959	if ($Coro::current != $Coro::main) {
3144	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3960	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3145	unless ++$bug_warning > 10;	3961	unless ++$bug_warning > 10;
3146	return;	3962	return;
3147	}	3963	}
3148		3964
3149	$NOW = $tick_start = Event::time;
3150
3151	cf::server_tick; # one server iteration	3965	cf::server_tick; # one server iteration
3152		3966
3153	0 && sync_job {#d#	3967	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3154	for(1..10) {
3155	my $t = Event::time;
3156	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3157	or die;
3158		3968
3159	$map->width (50);	3969	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3160	$map->height (50);	3970	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3161	$map->alloc;	3971	Coro::async_pool {
3162	$map->_load_objects ("/tmp/x.map", 1);	3972	$Coro::current->{desc} = "runtime saver";
3163	my $t = Event::time - $t;	3973	write_runtime_sync
3164		3974	or warn "ERROR: unable to write runtime file: $!";
3165	#next unless $t < 0.0013;#d#
3166	if ($t < $min) {
3167	$min = $t;
3168	}
3169	$avg = $avg * 0.99 + $t * 0.01;
3170	}
3171	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3172	exit 0;
3173	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3174	};	3975	};
		3976	}
3175		3977
3176	$RUNTIME += $TICK;
3177	$NEXT_TICK += $TICK;
3178
3179	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3180	$NEXT_RUNTIME_WRITE = $NOW + 10;
3181	Coro::async_pool {
3182	write_runtime
3183	or warn "ERROR: unable to write runtime file: $!";
3184	};
3185	}
3186
3187	# my $AFTER = Event::time;
3188	# warn $AFTER - $NOW;#d#
3189
3190	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3978	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3191	$sig->send;	3979	$sig->send;
3192	}	3980	}
3193	while (my $sig = shift @WAIT_FOR_TICK) {	3981	while (my $sig = shift @WAIT_FOR_TICK) {
3194	$sig->send;	3982	$sig->send;
3195	}	3983	}
3196		3984
3197	$NOW = Event::time;	3985	$LOAD = ($NOW - $TICK_START) / $TICK;
3198
3199	# if we are delayed by four ticks or more, skip them all
3200	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3201
3202	$TICK_WATCHER->at ($NEXT_TICK);
3203	$TICK_WATCHER->start;
3204
3205	$LOAD = ($NOW - $tick_start) / $TICK;
3206	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3986	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3207		3987
3208	_post_tick;	3988	if (0) {
3209		3989	if ($NEXT_TICK) {
3210		3990	my $jitter = $TICK_START - $NEXT_TICK;
		3991	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3992	warn "jitter $JITTER\n";#d#
		3993	}
3211	},	3994	}
3212	);	3995	}
3213		3996
3214	{	3997	{
3215	BDB::max_poll_time $TICK * 0.1;	3998	# configure BDB
3216	$BDB_POLL_WATCHER = Event->io (	3999
3217	reentrant => 0,
3218	fd => BDB::poll_fileno,
3219	poll => 'r',
3220	prio => 0,
3221	data => WF_AUTOCANCEL,
3222	cb => \&BDB::poll_cb,
3223	);
3224	BDB::min_parallel 8;	4000	BDB::min_parallel 16;
3225		4001	BDB::max_poll_reqs $TICK * 0.1;
3226	BDB::set_sync_prepare {	4002	$AnyEvent::BDB::WATCHER->priority (1);
3227	my $status;
3228	my $current = $Coro::current;
3229	(
3230	sub {
3231	$status = $!;
3232	$current->ready; undef $current;
3233	},
3234	sub {
3235	Coro::schedule while defined $current;
3236	$! = $status;
3237	},
3238	)
3239	};
3240		4003
3241	unless ($DB_ENV) {	4004	unless ($DB_ENV) {
3242	$DB_ENV = BDB::db_env_create;	4005	$DB_ENV = BDB::db_env_create;
		4006	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4007	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4008	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4009	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4010	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3243		4011
3244	cf::sync_job {	4012	cf::sync_job {
3245	eval {	4013	eval {
3246	BDB::db_env_open	4014	BDB::db_env_open
3247	$DB_ENV,	4015	$DB_ENV,
…		…
3249	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4017	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3250	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4018	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3251	0666;	4019	0666;
3252		4020
3253	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4021	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3254
3255	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3256	$DB_ENV->set_lk_detect;
3257	};	4022	};
3258		4023
3259	cf::cleanup "db_env_open(db): $@" if $@;	4024	cf::cleanup "db_env_open(db): $@" if $@;
3260	};	4025	};
3261	}	4026	}
		4027
		4028	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4029	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4030	};
		4031	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4032	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4033	};
		4034	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4035	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4036	};
3262	}	4037	}
3263		4038
3264	{	4039	{
		4040	# configure IO::AIO
		4041
3265	IO::AIO::min_parallel 8;	4042	IO::AIO::min_parallel 8;
3266
3267	undef $Coro::AIO::WATCHER;
3268	IO::AIO::max_poll_time $TICK * 0.1;	4043	IO::AIO::max_poll_time $TICK * 0.1;
3269	$AIO_POLL_WATCHER = Event->io (	4044	undef $AnyEvent::AIO::WATCHER;
3270	reentrant => 0,
3271	data => WF_AUTOCANCEL,
3272	fd => IO::AIO::poll_fileno,
3273	poll => 'r',
3274	prio => 6,
3275	cb => \&IO::AIO::poll_cb,
3276	);
3277	}	4045	}
3278		4046
3279	my $_log_backtrace;	4047	my $_log_backtrace;
3280		4048
3281	sub _log_backtrace {	4049	sub _log_backtrace {
…		…
3284	$msg =~ s/\n//;	4052	$msg =~ s/\n//;
3285		4053
3286	# limit the # of concurrent backtraces	4054	# limit the # of concurrent backtraces
3287	if ($_log_backtrace < 2) {	4055	if ($_log_backtrace < 2) {
3288	++$_log_backtrace;	4056	++$_log_backtrace;
		4057	my $perl_bt = Carp::longmess $msg;
3289	async {	4058	async {
		4059	$Coro::current->{desc} = "abt $msg";
		4060
3290	my @bt = fork_call {	4061	my @bt = fork_call {
3291	@addr = map { sprintf "%x", $_ } @addr;	4062	@addr = map { sprintf "%x", $_ } @addr;
3292	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4063	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3293	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4064	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3294	or die "addr2line: $!";	4065	or die "addr2line: $!";
…		…
3302	}	4073	}
3303		4074
3304	@funcs	4075	@funcs
3305	};	4076	};
3306		4077
3307	LOG llevInfo, "[ABT] $msg\n";	4078	LOG llevInfo, "[ABT] $perl_bt\n";
		4079	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3308	LOG llevInfo, "[ABT] $_\n" for @bt;	4080	LOG llevInfo, "[ABT] $_\n" for @bt;
3309	--$_log_backtrace;	4081	--$_log_backtrace;
3310	};	4082	};
3311	} else {	4083	} else {
3312	LOG llevInfo, "[ABT] $msg\n";	4084	LOG llevInfo, "[ABT] $msg\n";
3313	LOG llevInfo, "[ABT] [suppressed]\n";	4085	LOG llevInfo, "[ABT] [suppressed]\n";
3314	}	4086	}
3315	}	4087	}
3316		4088
3317	# load additional modules	4089	# load additional modules
3318	use cf::pod;	4090	require "cf/$_.pm" for @EXTRA_MODULES;
		4091	cf::_connect_to_perl_2;
3319		4092
3320	END { cf::emergency_save }	4093	END { cf::emergency_save }
3321		4094
3322	1	4095	1
3323		4096

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