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Revision 1.292 by root, Tue Jul 3 00:54:57 2007 UTC vs.
Revision 1.518 by root, Fri Apr 16 02:21:26 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Socket;	31	use Socket;
9	use Storable;	32	use EV;
10	use Event;
11	use Opcode;	33	use Opcode;
12	use Safe;	34	use Safe;
13	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
14		38
		39	use Guard ();
15	use Coro 3.61 ();	40	use Coro ();
16	use Coro::State;	41	use Coro::State;
17	use Coro::Handle;	42	use Coro::Handle;
		43	use Coro::EV;
18	use Coro::Event;	44	use Coro::AnyEvent;
19	use Coro::Timer;	45	use Coro::Timer;
20	use Coro::Signal;	46	use Coro::Signal;
21	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
22	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
23	use Coro::Storable;	52	use Coro::Storable;
		53	use Coro::Util ();
24		54
25	use JSON::XS 1.4 ();	55	use JSON::XS 2.01 ();
26	use BDB ();	56	use BDB ();
27	use Data::Dumper;	57	use Data::Dumper;
28	use Digest::MD5;
29	use Fcntl;	58	use Fcntl;
30	use YAML::Syck ();	59	use YAML::XS ();
31	use IO::AIO 2.32 ();	60	use IO::AIO ();
32	use Time::HiRes;	61	use Time::HiRes;
33	use Compress::LZF;	62	use Compress::LZF;
		63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
34		66
35	# configure various modules to our taste	67	# configure various modules to our taste
36	#	68	#
37	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
38	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
39	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
40		77
41	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
42		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
44	$YAML::Syck::ImplicitUnicode = 1;
45
46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
47		80
48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
49		82
50	our %COMMAND = ();	83	our %COMMAND = ();
51	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
…		…
54	our %EXTCMD = ();	87	our %EXTCMD = ();
55	our %EXTICMD = ();	88	our %EXTICMD = ();
56	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
57	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
58		91
59	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
60	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
61		96
62	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
63	our $DATADIR = datadir;	98	our $DATADIR = datadir;
64	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
65	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
66	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
67	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
68	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
71	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
72	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE;
		112
		113	our $OUTPUT_RATE_MIN = 4000;
		114	our $OUTPUT_RATE_MAX = 100000;
73		115
74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	116	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
75	our $TICK_WATCHER;
76	our $AIO_POLL_WATCHER;
77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	117	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
78	our $NEXT_TICK;	118	our $NEXT_TICK;
79	our $NOW;
80	our $USE_FSYNC = 1; # use fsync to write maps - default off	119	our $USE_FSYNC = 1; # use fsync to write maps - default on
81		120
		121	our $BDB_DEADLOCK_WATCHER;
		122	our $BDB_CHECKPOINT_WATCHER;
82	our $BDB_POLL_WATCHER;	123	our $BDB_TRICKLE_WATCHER;
83	our $DB_ENV;	124	our $DB_ENV;
		125
		126	our @EXTRA_MODULES = qw(pod match mapscript);
84		127
85	our %CFG;	128	our %CFG;
86		129
87	our $UPTIME; $UPTIME ||= time;	130	our $UPTIME; $UPTIME ||= time;
88	our $RUNTIME;	131	our $RUNTIME;
		132	our $NOW;
89		133
90	our %PLAYER; # all users	134	our (%PLAYER, %PLAYER_LOADING); # all users
91	our %MAP; # all maps	135	our (%MAP, %MAP_LOADING ); # all maps
92	our $LINK_MAP; # the special {link} map, which is always available	136	our $LINK_MAP; # the special {link} map, which is always available
93		137
94	# 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 ∕
95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	139	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
96		140
97	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)
98	our $LOADAVG; # same thing, but with alpha-smoothing	142	our $LOADAVG; # same thing, but with alpha-smoothing
		143	our $JITTER; # average jitter
99	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 $REALLY_UNLOOP; # never set to true, please :)
100		150
101	binmode STDOUT;	151	binmode STDOUT;
102	binmode STDERR;	152	binmode STDERR;
103		153
104	# read virtual server time, if available	154	# read virtual server time, if available
105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	155	unless ($RUNTIME || !-e $RUNTIMEFILE) {
106	open my $fh, "<", "$LOCALDIR/runtime"	156	open my $fh, "<", $RUNTIMEFILE
107	or die "unable to read runtime file: $!";	157	or die "unable to read $RUNTIMEFILE file: $!";
108	$RUNTIME = <$fh> + 0.;	158	$RUNTIME = <$fh> + 0.;
109	}	159	}
		160
		161	eval "sub TICK() { $TICK } 1" or die;
110		162
111	mkdir $_	163	mkdir $_
112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	164	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
113		165
114	our $EMERGENCY_POSITION;	166	our $EMERGENCY_POSITION;
115		167
116	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::"} };
117		180
118	#############################################################################	181	#############################################################################
119		182
120	=head2 GLOBAL VARIABLES	183	=head2 GLOBAL VARIABLES
121		184
…		…
157		220
158	The raw value load value from the last tick.	221	The raw value load value from the last tick.
159		222
160	=item %cf::CFG	223	=item %cf::CFG
161		224
162	Configuration for the server, loaded from C</etc/crossfire/config>, or	225	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
163	from wherever your confdir points to.	226	from wherever your confdir points to.
164		227
165	=item cf::wait_for_tick, cf::wait_for_tick_begin	228	=item cf::wait_for_tick, cf::wait_for_tick_begin
166		229
167	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
168	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
169	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.
170		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
171	=back	246	=back
172		247
173	=cut	248	=cut
174		249
175	BEGIN {	250	$Coro::State::WARNHOOK = sub {
176	*CORE::GLOBAL::warn = sub {
177	my $msg = join "", @_;	251	my $msg = join "", @_;
178		252
179	$msg .= "\n"	253	$msg .= "\n"
180	unless $msg =~ /\n$/;	254	unless $msg =~ /\n$/;
181		255
182	$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;
183		257
184	utf8::encode $msg;
185	LOG llevError, $msg;	258	LOG llevError, $msg;
186	};	259	};
187	}	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	};
188		274
189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	275	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	276	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	277	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	278	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
199	for my $pkg (qw(	285	for my $pkg (qw(
200	cf::global cf::attachable	286	cf::global cf::attachable
201	cf::object cf::object::player	287	cf::object cf::object::player
202	cf::client cf::player	288	cf::client cf::player
203	cf::arch cf::living	289	cf::arch cf::living
		290	cf::map cf::mapspace
204	cf::map cf::party cf::region	291	cf::party cf::region
205	)) {	292	)) {
206	no strict 'refs';
207	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	293	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
208	}	294	}
209		295
210	$Event::DIED = sub {	296	$EV::DIED = sub {
211	warn "error in event callback: @_";	297	Carp::cluck "error in event callback: @_";
212	};	298	};
213		299
214	#############################################################################	300	#############################################################################
215		301
216	=head2 UTILITY FUNCTIONS	302	=head2 UTILITY FUNCTIONS
…		…
238	$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;
239	$d	325	$d
240	} || "[unable to dump $_[0]: '$@']";	326	} || "[unable to dump $_[0]: '$@']";
241	}	327	}
242		328
243	=item $ref = cf::from_json $json	329	=item $ref = cf::decode_json $json
244		330
245	Converts a JSON string into the corresponding perl data structure.	331	Converts a JSON string into the corresponding perl data structure.
246		332
247	=item $json = cf::to_json $ref	333	=item $json = cf::encode_json $ref
248		334
249	Converts a perl data structure into its JSON representation.	335	Converts a perl data structure into its JSON representation.
250		336
251	=cut	337	=cut
252		338
253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	339	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
254		340
255	sub to_json ($) { $json_coder->encode ($_[0]) }	341	sub encode_json($) { $json_coder->encode ($_[0]) }
256	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	}
257		357
258	=item cf::lock_wait $string	358	=item cf::lock_wait $string
259		359
260	Wait until the given lock is available. See cf::lock_acquire.	360	Wait until the given lock is available. See cf::lock_acquire.
261		361
262	=item my $lock = cf::lock_acquire $string	362	=item my $lock = cf::lock_acquire $string
263		363
264	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
265	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,
266	for example when the coroutine gets canceled), the lock is automatically	366	for example when the coroutine gets canceled), the lock is automatically
267	returned.	367	returned.
268		368
		369	Locks are *not* recursive, locking from the same coro twice results in a
		370	deadlocked coro.
		371
269	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
270	uses map_find and cf::map::load uses map_load).	373	uses map_find and cf::map::load uses map_load).
271		374
272	=item $locked = cf::lock_active $string	375	=item $locked = cf::lock_active $string
273		376
274	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.
275		378
276	=cut	379	=cut
277		380
278	our %LOCK;	381	our $LOCKS = new Coro::SemaphoreSet;
279		382
280	sub lock_wait($) {	383	sub lock_wait($) {
281	my ($key) = @_;	384	$LOCKS->wait ($_[0]);
282
283	# wait for lock, if any
284	while ($LOCK{$key}) {
285	push @{ $LOCK{$key} }, $Coro::current;
286	Coro::schedule;
287	}
288	}	385	}
289		386
290	sub lock_acquire($) {	387	sub lock_acquire($) {
291	my ($key) = @_;	388	$LOCKS->guard ($_[0])
292
293	# wait, to be sure we are not locked
294	lock_wait $key;
295
296	$LOCK{$key} = [];
297
298	Coro::guard {
299	# wake up all waiters, to be on the safe side
300	$_->ready for @{ delete $LOCK{$key} };
301	}
302	}	389	}
303		390
304	sub lock_active($) {	391	sub lock_active($) {
305	my ($key) = @_;	392	$LOCKS->count ($_[0]) < 1
306
307	! ! $LOCK{$key}
308	}	393	}
309		394
310	sub freeze_mainloop {	395	sub freeze_mainloop {
311	return unless $TICK_WATCHER->is_active;	396	tick_inhibit_inc;
312		397
313	my $guard = Coro::guard {	398	&Guard::guard (\&tick_inhibit_dec);
314	$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($$) {
		409	my ($interval, $cb) = @_;
		410
		411	my $start = rand List::Util::min 180, $interval;
		412
		413	EV::periodic $start, $interval, 0, $cb
		414	}
		415
		416	=item cf::get_slot $time[, $priority[, $name]]
		417
		418	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		419	This call blocks and returns only when you have at least C<$time> seconds
		420	of cpu time till the next tick. The slot is only valid till the next cede.
		421
		422	The optional C<$name> can be used to identify the job to run. It might be
		423	used for statistical purposes and should identify the same time-class.
		424
		425	Useful for short background jobs.
		426
		427	=cut
		428
		429	our @SLOT_QUEUE;
		430	our $SLOT_QUEUE;
		431	our $SLOT_DECAY = 0.9;
		432
		433	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		434	$SLOT_QUEUE = Coro::async {
		435	$Coro::current->desc ("timeslot manager");
		436
		437	my $signal = new Coro::Signal;
		438	my $busy;
		439
		440	while () {
		441	next_job:
		442
		443	my $avail = cf::till_tick;
		444
		445	for (0 .. $#SLOT_QUEUE) {
		446	if ($SLOT_QUEUE[$_][0] <= $avail) {
		447	$busy = 0;
		448	my $job = splice @SLOT_QUEUE, $_, 1, ();
		449	$job->[2]->send;
		450	Coro::cede;
		451	goto next_job;
		452	} else {
		453	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		454	}
		455	}
		456
		457	if (@SLOT_QUEUE) {
		458	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		459	push @cf::WAIT_FOR_TICK, $signal;
		460	$signal->wait;
		461	} else {
		462	$busy = 0;
		463	Coro::schedule;
		464	}
315	};	465	}
316	$TICK_WATCHER->stop;	466	};
317	$guard	467
		468	sub get_slot($;$$) {
		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	$sig->wait;
318	}	481	}
319		482
320	=item cf::async { BLOCK }	483	=item cf::async { BLOCK }
321		484
322	Currently the same as Coro::async_pool, meaning you cannot use	485	Currently the same as Coro::async_pool, meaning you cannot use
…		…
327		490
328	BEGIN { *async = \&Coro::async_pool }	491	BEGIN { *async = \&Coro::async_pool }
329		492
330	=item cf::sync_job { BLOCK }	493	=item cf::sync_job { BLOCK }
331		494
332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	495	The design of Deliantra requires that the main coroutine ($Coro::main)
333	is always able to handle events or runnable, as Crossfire TRT is only	496	is always able to handle events or runnable, as Deliantra is only
334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	497	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
335	acceptable.	498	acceptable.
336		499
337	If it must be done, put the blocking parts into C<sync_job>. This will run	500	If it must be done, put the blocking parts into C<sync_job>. This will run
338	the given BLOCK in another coroutine while waiting for the result. The	501	the given BLOCK in another coroutine while waiting for the result. The
…		…
343		506
344	sub sync_job(&) {	507	sub sync_job(&) {
345	my ($job) = @_;	508	my ($job) = @_;
346		509
347	if ($Coro::current == $Coro::main) {	510	if ($Coro::current == $Coro::main) {
348	my $time = Event::time;	511	my $time = AE::time;
349		512
350	# this is the main coro, too bad, we have to block	513	# this is the main coro, too bad, we have to block
351	# till the operation succeeds, freezing the server :/	514	# till the operation succeeds, freezing the server :/
352		515
353	# TODO: use suspend/resume instead	516	LOG llevError, Carp::longmess "sync job";#d#
354	# (but this is cancel-safe)	517
355	my $freeze_guard = freeze_mainloop;	518	my $freeze_guard = freeze_mainloop;
356		519
357	my $busy = 1;	520	my $busy = 1;
358	my @res;	521	my @res;
359		522
360	(async {	523	(async {
		524	$Coro::current->desc ("sync job coro");
361	@res = eval { $job->() };	525	@res = eval { $job->() };
362	warn $@ if $@;	526	warn $@ if $@;
363	undef $busy;	527	undef $busy;
364	})->prio (Coro::PRIO_MAX);	528	})->prio (Coro::PRIO_MAX);
365		529
366	while ($busy) {	530	while ($busy) {
367	Coro::cede or Event::one_event;	531	if (Coro::nready) {
		532	Coro::cede_notself;
		533	} else {
		534	EV::loop EV::LOOP_ONESHOT;
368	}	535	}
		536	}
369		537
370	$time = Event::time - $time;	538	my $time = AE::time - $time;
371		539
372	LOG llevError | logBacktrace, Carp::longmess "long sync job"
373	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
374
375	$tick_start += $time; # do not account sync jobs to server load	540	$TICK_START += $time; # do not account sync jobs to server load
376		541
377	wantarray ? @res : $res[0]	542	wantarray ? @res : $res[0]
378	} else {	543	} else {
379	# we are in another coroutine, how wonderful, everything just works	544	# we are in another coroutine, how wonderful, everything just works
380		545
…		…
405	=item fork_call { }, $args	570	=item fork_call { }, $args
406		571
407	Executes the given code block with the given arguments in a seperate	572	Executes the given code block with the given arguments in a seperate
408	process, returning the results. Everything must be serialisable with	573	process, returning the results. Everything must be serialisable with
409	Coro::Storable. May, of course, block. Note that the executed sub may	574	Coro::Storable. May, of course, block. Note that the executed sub may
410	never block itself or use any form of Event handling.	575	never block itself or use any form of event handling.
411		576
412	=cut	577	=cut
413		578
414	sub fork_call(&@) {	579	sub fork_call(&@) {
415	my ($cb, @args) = @_;	580	my ($cb, @args) = @_;
416		581
417	# 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,
418	# or die "socketpair: $!";	583	# otherwise perl prematurely frees the stuff :/
419	pipe my $fh1, my $fh2	584	# TODO: investigate and fix (likely this will be rather laborious)
420	or die "pipe: $!";
421		585
422	if (my $pid = fork) {	586	my @res = Coro::Util::fork_eval {
423	close $fh2;
424
425	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
426	$res = Coro::Storable::thaw $res;
427
428	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
429
430	die $$res unless "ARRAY" eq ref $res;
431
432	return wantarray ? @$res : $res->[-1];
433	} else {
434	reset_signals;	587	reset_signals;
435	local $SIG{__WARN__};	588	&$cb
436	local $SIG{__DIE__};	589	}, @args;
437	eval {
438	close $fh1;
439		590
440	my @res = eval { $cb->(@args) };	591	wantarray ? @res : $res[-1]
441	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);	592	}
442	};
443		593
444	warn $@ if $@;	594	sub objinfo {
445	_exit 0;
446	}	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
447	}	630	}
448		631
449	=item $value = cf::db_get $family => $key	632	=item $value = cf::db_get $family => $key
450		633
451	Returns a single value from the environment database.	634	Returns a single value from the environment database.
…		…
453	=item cf::db_put $family => $key => $value	636	=item cf::db_put $family => $key => $value
454		637
455	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
456	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).
457		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
458	=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	}
459		664
460	our $DB;	665	our $DB;
461		666
462	sub db_init {	667	sub db_init {
463	unless ($DB) {
464	$DB = BDB::db_create $DB_ENV;
465
466	cf::sync_job {	668	cf::sync_job {
467	eval {	669	$DB ||= db_table "db";
468	$DB->set_flags (BDB::CHKSUM);
469
470	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
471	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
472	cf::cleanup "db_open(db): $!" if $!;
473	};
474	cf::cleanup "db_open(db): $@" if $@;
475	};
476	}	670	};
477	}	671	}
478		672
479	sub db_get($$) {	673	sub db_get($$) {
480	my $key = "$_[0]/$_[1]";	674	my $key = "$_[0]/$_[1]";
481		675
…		…
531	if (1) {	725	if (1) {
532	$md5 =	726	$md5 =
533	join "\x00",	727	join "\x00",
534	$processversion,	728	$processversion,
535	map {	729	map {
536	Coro::cede;	730	cf::cede_to_tick;
537	($src->[$_], Digest::MD5::md5_hex $data[$_])	731	($src->[$_], Digest::MD5::md5_hex $data[$_])
538	} 0.. $#$src;	732	} 0.. $#$src;
539		733
540		734
541	my $dbmd5 = db_get cache => "$id/md5";	735	my $dbmd5 = db_get cache => "$id/md5";
…		…
579		773
580	#############################################################################	774	#############################################################################
581		775
582	=head2 ATTACHABLE OBJECTS	776	=head2 ATTACHABLE OBJECTS
583		777
584	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
585	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")
586	to it. All such attachable objects support the following methods.	780	to it. All such attachable objects support the following methods.
587		781
588	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>
589	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
590	Crossfire TRT).	784	Deliantra).
591		785
592	=over 4	786	=over 4
593		787
594	=item $attachable->attach ($attachment, key => $value...)	788	=item $attachable->attach ($attachment, key => $value...)
595		789
…		…
639	=item cf::CLASS::attachment $name, ...	833	=item cf::CLASS::attachment $name, ...
640		834
641	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
642	given CLASS can refer to this attachment.	836	given CLASS can refer to this attachment.
643		837
644	Some classes such as crossfire maps and objects can specify attachments	838	Some classes such as deliantra maps and objects can specify attachments
645	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.
646		840
647	These calls expect any number of the following handler/hook descriptions:	841	These calls expect any number of the following handler/hook descriptions:
648		842
649	=over 4	843	=over 4
…		…
847	";	1041	";
848	die if $@;	1042	die if $@;
849	}	1043	}
850		1044
851	our $override;	1045	our $override;
852	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?
853		1047
854	sub override {	1048	sub override {
855	$override = 1;	1049	$override = 1;
856	@invoke_results = ();	1050	@INVOKE_RESULTS = (@_);
857	}	1051	}
858		1052
859	sub do_invoke {	1053	sub do_invoke {
860	my $event = shift;	1054	my $event = shift;
861	my $callbacks = shift;	1055	my $callbacks = shift;
862		1056
863	@invoke_results = ();	1057	@INVOKE_RESULTS = ();
864		1058
865	local $override;	1059	local $override;
866		1060
867	for (@$callbacks) {	1061	for (@$callbacks) {
868	eval { &{$_->[1]} };	1062	eval { &{$_->[1]} };
…		…
877	}	1071	}
878		1072
879	0	1073	0
880	}	1074	}
881		1075
882	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1076	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
883		1077
884	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1078	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
885		1079
886	Generate an object-specific event with the given arguments.	1080	Generate an object-specific event with the given arguments.
887		1081
888	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
889	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
890	results (if you must, access C<@cf::invoke_results> directly).	1084	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
891		1085
892	=back	1086	=back
893		1087
894	=cut	1088	=cut
895		1089
896	#############################################################################	1090	#############################################################################
897	# 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	}
898		1134
899	sub reattach {	1135	sub reattach {
900	# basically do the same as instantiate, without calling instantiate	1136	# basically do the same as instantiate, without calling instantiate
901	my ($obj) = @_;	1137	my ($obj) = @_;
902		1138
		1139	# no longer needed after getting rid of delete_package?
903	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
904		1141
905	my $registry = $obj->registry;	1142	my $registry = $obj->registry;
906		1143
907	@$registry = ();	1144	@$registry = ();
908		1145
…		…
923	cf::attachable->attach (	1160	cf::attachable->attach (
924	prio => -1000000,	1161	prio => -1000000,
925	on_instantiate => sub {	1162	on_instantiate => sub {
926	my ($obj, $data) = @_;	1163	my ($obj, $data) = @_;
927		1164
928	$data = from_json $data;	1165	$data = decode_json $data;
929		1166
930	for (@$data) {	1167	for (@$data) {
931	my ($name, $args) = @$_;	1168	my ($name, $args) = @$_;
932		1169
933	$obj->attach ($name, %{$args || {} });	1170	$obj->attach ($name, %{$args || {} });
…		…
949	sub object_freezer_save {	1186	sub object_freezer_save {
950	my ($filename, $rdata, $objs) = @_;	1187	my ($filename, $rdata, $objs) = @_;
951		1188
952	sync_job {	1189	sync_job {
953	if (length $$rdata) {	1190	if (length $$rdata) {
		1191	utf8::decode (my $decname = $filename);
954	warn sprintf "saving %s (%d,%d)\n",	1192	warn sprintf "saving %s (%d,%d)\n",
955	$filename, length $$rdata, scalar @$objs;	1193	$decname, length $$rdata, scalar @$objs;
956		1194
957	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1195	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
958	chmod SAVE_MODE, $fh;	1196	aio_chmod $fh, SAVE_MODE;
959	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1197	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
960	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	}
961	close $fh;	1202	aio_close $fh;
962		1203
963	if (@$objs) {	1204	if (@$objs) {
964	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) {
965	chmod SAVE_MODE, $fh;	1206	aio_chmod $fh, SAVE_MODE;
966	my $data = Storable::nfreeze { version => 1, objs => $objs };	1207	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
967	aio_write $fh, 0, (length $data), $data, 0;	1208	aio_write $fh, 0, (length $data), $data, 0;
968	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	}
969	close $fh;	1213	aio_close $fh;
970	aio_rename "$filename.pst~", "$filename.pst";	1214	aio_rename "$filename.pst~", "$filename.pst";
971	}	1215	}
972	} else {	1216	} else {
973	aio_unlink "$filename.pst";	1217	aio_unlink "$filename.pst";
974	}	1218	}
975		1219
976	aio_rename "$filename~", $filename;	1220	aio_rename "$filename~", $filename;
		1221
		1222	$filename =~ s%/[^/]+$%%;
		1223	aio_pathsync $filename if $cf::USE_FSYNC;
977	} else {	1224	} else {
978	warn "FATAL: $filename~: $!\n";	1225	warn "unable to save objects: $filename~: $!\n";
979	}	1226	}
980	} else {	1227	} else {
981	aio_unlink $filename;	1228	aio_unlink $filename;
982	aio_unlink "$filename.pst";	1229	aio_unlink "$filename.pst";
983	}	1230	}
984	}	1231	};
985	}	1232	}
986		1233
987	sub object_freezer_as_string {	1234	sub object_freezer_as_string {
988	my ($rdata, $objs) = @_;	1235	my ($rdata, $objs) = @_;
989		1236
…		…
1001	or return;	1248	or return;
1002		1249
1003	unless (aio_stat "$filename.pst") {	1250	unless (aio_stat "$filename.pst") {
1004	(aio_load "$filename.pst", $av) >= 0	1251	(aio_load "$filename.pst", $av) >= 0
1005	or return;	1252	or return;
		1253
1006	$av = eval { (Storable::thaw $av)->{objs} };	1254	my $st = eval { Coro::Storable::thaw $av };
		1255	$av = $st->{objs};
1007	}	1256	}
1008		1257
		1258	utf8::decode (my $decname = $filename);
1009	warn sprintf "loading %s (%d)\n",	1259	warn sprintf "loading %s (%d,%d)\n",
1010	$filename, length $data, scalar @{$av || []};	1260	$decname, length $data, scalar @{$av || []};
		1261
1011	return ($data, $av);	1262	($data, $av)
1012	}	1263	}
1013		1264
1014	=head2 COMMAND CALLBACKS	1265	=head2 COMMAND CALLBACKS
1015		1266
1016	=over 4	1267	=over 4
…		…
1070	my ($name, $cb) = @_;	1321	my ($name, $cb) = @_;
1071		1322
1072	$EXTICMD{$name} = $cb;	1323	$EXTICMD{$name} = $cb;
1073	}	1324	}
1074		1325
		1326	use File::Glob ();
		1327
1075	cf::player->attach (	1328	cf::player->attach (
1076	on_command => sub {	1329	on_unknown_command => sub {
1077	my ($pl, $name, $params) = @_;	1330	my ($pl, $name, $params) = @_;
1078		1331
1079	my $cb = $COMMAND{$name}	1332	my $cb = $COMMAND{$name}
1080	or return;	1333	or return;
1081		1334
…		…
1089	my ($pl, $buf) = @_;	1342	my ($pl, $buf) = @_;
1090		1343
1091	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1344	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1092		1345
1093	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
1094	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1354	if (my $cb = $EXTCMD{$type}) {
1095	if (my %reply = $cb->($pl, $msg)) {	1355	@reply = $cb->($pl, @payload);
1096	$pl->ext_reply ($msg->{msgid}, %reply);
1097	}
1098	}	1356	}
		1357
		1358	$pl->ext_reply ($reply, @reply)
		1359	if $reply;
		1360
1099	} else {	1361	} else {
1100	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1362	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1101	}	1363	}
1102		1364
1103	cf::override;	1365	cf::override;
1104	},	1366	},
1105	);	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	}
1106		1381
1107	sub load_extensions {	1382	sub load_extensions {
1108	cf::sync_job {	1383	cf::sync_job {
1109	my %todo;	1384	my %todo;
1110		1385
…		…
1130		1405
1131	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1406	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1132	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1407	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1133		1408
1134	$ext{source} =	1409	$ext{source} =
1135	"package $pkg; use strict; use utf8;\n"	1410	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1136	. "#line 1 \"$path\"\n{\n"	1411	. "#line 1 \"$path\"\n{\n"
1137	. $source	1412	. $source
1138	. "\n};\n1";	1413	. "\n};\n1";
1139		1414
1140	$todo{$base} = \%ext;	1415	$todo{$base} = \%ext;
1141	}	1416	}
1142		1417
		1418	my $pass = 0;
1143	my %done;	1419	my %done;
1144	while (%todo) {	1420	while (%todo) {
1145	my $progress;	1421	my $progress;
1146		1422
		1423	++$pass;
		1424
		1425	ext:
1147	while (my ($k, $v) = each %todo) {	1426	while (my ($k, $v) = each %todo) {
1148	for (split /,\s*/, $v->{meta}{depends}) {	1427	for (split /,\s*/, $v->{meta}{depends}) {
1149	goto skip	1428	next ext
1150	unless exists $done{$_};	1429	unless exists $done{$_};
1151	}	1430	}
1152		1431
1153	warn "... loading '$k' into '$v->{pkg}'\n";	1432	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1154		1433
1155	unless (eval $v->{source}) {	1434	my $active = eval $v->{source};
		1435
		1436	if (length $@) {
1156	my $msg = $@ ? "$v->{path}: $@\n"	1437	warn "$v->{path}: $@\n";
1157	: "$v->{base}: extension inactive.\n";
1158		1438
		1439	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1159	if (exists $v->{meta}{mandatory}) {	1440	if exists $v->{meta}{mandatory};
1160	warn $msg;	1441	} else {
1161	warn "mandatory extension failed to load, exiting.\n";	1442	$done{$k} = delete $todo{$k};
1162	exit 1;	1443	push @EXTS, $v->{pkg};
1163	}	1444	$progress = 1;
1164		1445
1165	warn $msg;	1446	warn "$v->{base}: extension inactive.\n"
		1447	unless $active;
1166	}	1448	}
1167
1168	$done{$k} = delete $todo{$k};
1169	push @EXTS, $v->{pkg};
1170	$progress = 1;
1171	}	1449	}
1172		1450
1173	skip:	1451	unless ($progress) {
1174	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1452	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1175	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	}
1176	}	1459	}
1177	};	1460	};
1178	}	1461	}
1179		1462
1180	#############################################################################	1463	#############################################################################
1181		1464
1182	=back	1465	=back
1183		1466
1184	=head2 CORE EXTENSIONS	1467	=head2 CORE EXTENSIONS
1185		1468
1186	Functions and methods that extend core crossfire objects.	1469	Functions and methods that extend core deliantra objects.
1187		1470
1188	=cut	1471	=cut
1189		1472
1190	package cf::player;	1473	package cf::player;
1191		1474
1192	use Coro::AIO;	1475	use Coro::AIO;
1193		1476
1194	=head3 cf::player	1477	=head3 cf::player
1195		1478
1196	=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	}
1197		1494
1198	=item cf::player::find $login	1495	=item cf::player::find $login
1199		1496
1200	Returns the given player object, loading it if necessary (might block).	1497	Returns the given player object, loading it if necessary (might block).
1201		1498
…		…
1220		1517
1221	sub exists($) {	1518	sub exists($) {
1222	my ($login) = @_;	1519	my ($login) = @_;
1223		1520
1224	$cf::PLAYER{$login}	1521	$cf::PLAYER{$login}
1225	or cf::sync_job { !aio_stat path $login }	1522	or !aio_stat path $login
1226	}	1523	}
1227		1524
1228	sub find($) {	1525	sub find($) {
1229	return $cf::PLAYER{$_[0]} || do {	1526	return $cf::PLAYER{$_[0]} || do {
1230	my $login = $_[0];	1527	my $login = $_[0];
…		…
1237	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1534	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1238	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1535	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1239	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1536	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1240	aio_unlink +(playerdir $login) . "/$login.pl";	1537	aio_unlink +(playerdir $login) . "/$login.pl";
1241		1538
1242	my $pl = load_pl path $login	1539	my $f = new_from_file cf::object::thawer path $login
1243	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;
1244	$cf::PLAYER{$login} = $pl	1547	$cf::PLAYER{$login} = $pl
1245	}	1548	}
1246	}	1549	}
1247	}	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	);
1248		1564
1249	sub save($) {	1565	sub save($) {
1250	my ($pl) = @_;	1566	my ($pl) = @_;
1251		1567
1252	return if $pl->{deny_save};	1568	return if $pl->{deny_save};
…		…
1257	return if $pl->{deny_save};	1573	return if $pl->{deny_save};
1258		1574
1259	aio_mkdir playerdir $pl, 0770;	1575	aio_mkdir playerdir $pl, 0770;
1260	$pl->{last_save} = $cf::RUNTIME;	1576	$pl->{last_save} = $cf::RUNTIME;
1261		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
1262	$pl->save_pl ($path);	1583	$pl->save_pl ($path);
1263	Coro::cede;	1584	cf::cede_to_tick;
1264	}	1585	}
1265		1586
1266	sub new($) {	1587	sub new($) {
1267	my ($login) = @_;	1588	my ($login) = @_;
1268		1589
…		…
1274	$cf::PLAYER{$login} = $self;	1595	$cf::PLAYER{$login} = $self;
1275		1596
1276	$self	1597	$self
1277	}	1598	}
1278		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
1279	=item $pl->quit_character	1610	=item $pl->quit_character
1280		1611
1281	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
1282	be destroyed. May block for a long time.	1613	be destroyed. May block for a long time.
1283		1614
…		…
1287	my ($pl) = @_;	1618	my ($pl) = @_;
1288		1619
1289	my $name = $pl->ob->name;	1620	my $name = $pl->ob->name;
1290		1621
1291	$pl->{deny_save} = 1;	1622	$pl->{deny_save} = 1;
1292	$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
1293		1624
1294	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1625	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1295	$pl->deactivate;	1626	$pl->deactivate;
		1627	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1628	$pl->ob->check_score;
1296	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1629	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1297	$pl->ns->destroy if $pl->ns;	1630	$pl->ns->destroy if $pl->ns;
1298		1631
1299	my $path = playerdir $pl;	1632	my $path = playerdir $pl;
1300	my $temp = "$path~$cf::RUNTIME~deleting~";	1633	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1336	or return [];	1669	or return [];
1337		1670
1338	my @logins;	1671	my @logins;
1339		1672
1340	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") {
1341	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1679	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1342	aio_read $fh, 0, 512, my $buf, 0 or next;	1680	aio_read $fh, 0, 512, my $buf, 0 or next;
1343	$buf !~ /^password -------------$/m or next; # official not-valid tag	1681	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1682	}
1344		1683
1345	utf8::decode $login;	1684	utf8::decode $login;
1346	push @logins, $login;	1685	push @logins, $login;
1347	}	1686	}
1348		1687
…		…
1375	}	1714	}
1376		1715
1377	\@paths	1716	\@paths
1378	}	1717	}
1379		1718
1380	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1719	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1381		1720
1382	Expand crossfire pod fragments into protocol xml.	1721	Expand deliantra pod fragments into protocol xml.
1383		1722
1384	=cut
1385
1386	sub expand_cfpod {
1387	((my $self), (local $_)) = @_;
1388
1389	# escape & and <
1390	s/&/&amp;/g;
1391	s/(?<![BIUGH])</&lt;/g;
1392
1393	# this is buggy, it needs to properly take care of nested <'s
1394
1395	1 while
1396	# replace B<>, I<>, U<> etc.
1397	s/B<([^\>]*)>/<b>$1<\/b>/
1398	|| s/I<([^\>]*)>/<i>$1<\/i>/
1399	|| s/U<([^\>]*)>/<u>$1<\/u>/
1400	# replace G<male|female> tags
1401	|| s{G<([^>|]*)\|([^>]*)>}{
1402	$self->gender ? $2 : $1
1403	}ge
1404	# replace H<hint text>
1405	|| s{H<([^\>]*)>}
1406	{
1407	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1408	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1409	"")
1410	[$self->{hintmode}]
1411	}ge;
1412
1413	# create single paragraphs (very hackish)
1414	s/(?<=\S)\n(?=\w)/ /g;
1415
1416	# compress some whitespace
1417	1 while s/\s*\n\s*\n\s*/\n/;
1418
1419	$_
1420	}
1421
1422	sub hintmode {
1423	$_[0]{hintmode} = $_[1] if @_ > 1;
1424	$_[0]{hintmode}
1425	}
1426
1427	=item $player->ext_reply ($msgid, %msg)	1723	=item $player->ext_reply ($msgid, @msg)
1428		1724
1429	Sends an ext reply to the player.	1725	Sends an ext reply to the player.
1430		1726
1431	=cut	1727	=cut
1432		1728
1433	sub ext_reply($$%) {	1729	sub ext_reply($$@) {
1434	my ($self, $id, %msg) = @_;	1730	my ($self, $id, @msg) = @_;
1435		1731
1436	$msg{msgid} = $id;	1732	$self->ns->ext_reply ($id, @msg)
1437	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1438	}	1733	}
1439		1734
1440	=item $player->ext_event ($type, %msg)	1735	=item $player->ext_msg ($type, @msg)
1441		1736
1442	Sends an ext event to the client.	1737	Sends an ext event to the client.
1443		1738
1444	=cut	1739	=cut
1445		1740
1446	sub ext_event($$%) {	1741	sub ext_msg($$@) {
1447	my ($self, $type, %msg) = @_;	1742	my ($self, $type, @msg) = @_;
1448		1743
1449	$self->ns->ext_event ($type, %msg);	1744	$self->ns->ext_msg ($type, @msg);
1450	}	1745	}
1451		1746
1452	=head3 cf::region	1747	=head3 cf::region
1453		1748
1454	=over 4	1749	=over 4
…		…
1467	my ($path) = @_;	1762	my ($path) = @_;
1468		1763
1469	my ($match, $specificity);	1764	my ($match, $specificity);
1470		1765
1471	for my $region (list) {	1766	for my $region (list) {
1472	if ($region->match && $path =~ $region->match) {	1767	if ($region->{match} && $path =~ $region->{match}) {
1473	($match, $specificity) = ($region, $region->specificity)	1768	($match, $specificity) = ($region, $region->specificity)
1474	if $region->specificity > $specificity;	1769	if $region->specificity > $specificity;
1475	}	1770	}
1476	}	1771	}
1477		1772
…		…
1498	our $MAX_RESET = 3600;	1793	our $MAX_RESET = 3600;
1499	our $DEFAULT_RESET = 3000;	1794	our $DEFAULT_RESET = 3000;
1500		1795
1501	sub generate_random_map {	1796	sub generate_random_map {
1502	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
1503	# mit "rum" bekleckern, nicht	1801	# mit "rum" bekleckern, nicht
1504	$self->_create_random_map (	1802	$self->_create_random_map (
1505	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1803	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1506	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1804	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1507	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1805	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1508	$rmp->{exit_on_final_map},	1806	$rmp->{exit_on_final_map},
1509	$rmp->{xsize}, $rmp->{ysize},	1807	$rmp->{xsize}, $rmp->{ysize},
1510	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1808	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1511	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1809	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1597	$self->init; # pass $1 etc.	1895	$self->init; # pass $1 etc.
1598	return $self;	1896	return $self;
1599	}	1897	}
1600	}	1898	}
1601		1899
1602	Carp::carp "unable to resolve path '$path' (base '$base').";	1900	Carp::cluck "unable to resolve path '$path' (base '$base').";
1603	()	1901	()
1604	}	1902	}
1605		1903
1606	sub init {	1904	sub init {
1607	my ($self) = @_;	1905	my ($self) = @_;
…		…
1629		1927
1630	# the temporary/swap location	1928	# the temporary/swap location
1631	sub save_path {	1929	sub save_path {
1632	my ($self) = @_;	1930	my ($self) = @_;
1633		1931
1634	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1932	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1635	"$TMPDIR/$path.map"	1933	"$TMPDIR/$path.map"
1636	}	1934	}
1637		1935
1638	# the unique path, undef == no special unique path	1936	# the unique path, undef == no special unique path
1639	sub uniq_path {	1937	sub uniq_path {
1640	my ($self) = @_;	1938	my ($self) = @_;
1641		1939
1642	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1940	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1643	"$UNIQUEDIR/$path"	1941	"$UNIQUEDIR/$path"
1644	}
1645
1646	# and all this just because we cannot iterate over
1647	# all maps in C++...
1648	sub change_all_map_light {
1649	my ($change) = @_;
1650
1651	$_->change_map_light ($change)
1652	for grep $_->outdoor, values %cf::MAP;
1653	}	1942	}
1654		1943
1655	sub decay_objects {	1944	sub decay_objects {
1656	my ($self) = @_;	1945	my ($self) = @_;
1657		1946
…		…
1670		1959
1671	sub load_header_from($) {	1960	sub load_header_from($) {
1672	my ($self, $path) = @_;	1961	my ($self, $path) = @_;
1673		1962
1674	utf8::encode $path;	1963	utf8::encode $path;
1675	#aio_open $path, O_RDONLY, 0	1964	my $f = new_from_file cf::object::thawer $path
1676	# or return;
1677
1678	$self->_load_header ($path)
1679	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;
1680		1972
1681	$self->{load_path} = $path;	1973	$self->{load_path} = $path;
1682		1974
1683	1	1975	1
1684	}	1976	}
…		…
1738	sub find {	2030	sub find {
1739	my ($path, $origin) = @_;	2031	my ($path, $origin) = @_;
1740		2032
1741	$path = normalise $path, $origin && $origin->path;	2033	$path = normalise $path, $origin && $origin->path;
1742		2034
		2035	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1743	cf::lock_wait "map_find:$path";	2036	my $guard2 = cf::lock_acquire "map_find:$path";
1744		2037
1745	$cf::MAP{$path} || do {	2038	$cf::MAP{$path} || do {
1746	my $guard = cf::lock_acquire "map_find:$path";
1747	my $map = new_from_path cf::map $path	2039	my $map = new_from_path cf::map $path
1748	or return;	2040	or return;
1749		2041
1750	$map->{last_save} = $cf::RUNTIME;	2042	$map->{last_save} = $cf::RUNTIME;
1751		2043
…		…
1753	or return;	2045	or return;
1754		2046
1755	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2047	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1756	# doing this can freeze the server in a sync job, obviously	2048	# doing this can freeze the server in a sync job, obviously
1757	#$cf::WAIT_FOR_TICK->wait;	2049	#$cf::WAIT_FOR_TICK->wait;
		2050	undef $guard2;
		2051	undef $guard1;
1758	$map->reset;	2052	$map->reset;
1759	undef $guard;
1760	return find $path;	2053	return find $path;
1761	}	2054	}
1762		2055
1763	$cf::MAP{$path} = $map	2056	$cf::MAP{$path} = $map
1764	}	2057	}
1765	}	2058	}
1766		2059
1767	sub pre_load { }	2060	sub pre_load { }
1768	sub post_load { }	2061	#sub post_load { } # XS
1769		2062
1770	sub load {	2063	sub load {
1771	my ($self) = @_;	2064	my ($self) = @_;
1772		2065
1773	local $self->{deny_reset} = 1; # loading can take a long time	2066	local $self->{deny_reset} = 1; # loading can take a long time
1774		2067
1775	my $path = $self->{path};	2068	my $path = $self->{path};
1776		2069
1777	{	2070	{
1778	my $guard = cf::lock_acquire "map_load:$path";	2071	my $guard = cf::lock_acquire "map_data:$path";
1779		2072
		2073	return unless $self->valid;
1780	return if $self->in_memory != cf::MAP_SWAPPED;	2074	return unless $self->in_memory == cf::MAP_SWAPPED;
1781		2075
1782	$self->in_memory (cf::MAP_LOADING);	2076	$self->in_memory (cf::MAP_LOADING);
1783		2077
1784	$self->alloc;	2078	$self->alloc;
1785		2079
1786	$self->pre_load;	2080	$self->pre_load;
1787	Coro::cede;	2081	cf::cede_to_tick;
1788		2082
		2083	my $f = new_from_file cf::object::thawer $self->{load_path};
		2084	$f->skip_block;
1789	$self->_load_objects ($self->{load_path}, 1)	2085	$self->_load_objects ($f)
1790	or return;	2086	or return;
1791		2087
1792	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2088	$self->post_load_original
1793	if delete $self->{load_original};	2089	if delete $self->{load_original};
1794		2090
1795	if (my $uniq = $self->uniq_path) {	2091	if (my $uniq = $self->uniq_path) {
1796	utf8::encode $uniq;	2092	utf8::encode $uniq;
1797	if (aio_open $uniq, O_RDONLY, 0) {	2093	unless (aio_stat $uniq) {
		2094	if (my $f = new_from_file cf::object::thawer $uniq) {
1798	$self->clear_unique_items;	2095	$self->clear_unique_items;
1799	$self->_load_objects ($uniq, 0);	2096	$self->_load_objects ($f);
		2097	$f->resolve_delayed_derefs;
		2098	}
1800	}	2099	}
1801	}	2100	}
1802		2101
1803	Coro::cede;	2102	$f->resolve_delayed_derefs;
		2103
		2104	cf::cede_to_tick;
1804	# now do the right thing for maps	2105	# now do the right thing for maps
1805	$self->link_multipart_objects;	2106	$self->link_multipart_objects;
1806	$self->difficulty ($self->estimate_difficulty)	2107	$self->difficulty ($self->estimate_difficulty)
1807	unless $self->difficulty;	2108	unless $self->difficulty;
1808	Coro::cede;	2109	cf::cede_to_tick;
1809		2110
1810	unless ($self->{deny_activate}) {	2111	unless ($self->{deny_activate}) {
1811	$self->decay_objects;	2112	$self->decay_objects;
1812	$self->fix_auto_apply;	2113	$self->fix_auto_apply;
1813	$self->update_buttons;	2114	$self->update_buttons;
1814	Coro::cede;	2115	cf::cede_to_tick;
1815	$self->set_darkness_map;
1816	Coro::cede;
1817	$self->activate;	2116	$self->activate;
1818	}	2117	}
1819		2118
		2119	$self->{last_save} = $cf::RUNTIME;
		2120	$self->last_access ($cf::RUNTIME);
		2121
1820	$self->in_memory (cf::MAP_IN_MEMORY);	2122	$self->in_memory (cf::MAP_ACTIVE);
1821	}	2123	}
1822		2124
1823	$self->post_load;	2125	$self->post_load;
1824	}	2126	}
1825		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
1826	sub customise_for {	2131	sub customise_for {
1827	my ($self, $ob) = @_;	2132	my ($self, $ob) = @_;
1828		2133
1829	return find "~" . $ob->name . "/" . $self->{path}	2134	return find "~" . $ob->name . "/" . $self->{path}
1830	if $self->per_player;	2135	if $self->per_player;
…		…
1834		2139
1835	$self	2140	$self
1836	}	2141	}
1837		2142
1838	# 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
1839	sub load_diag {	2144	sub load_neighbours {
1840	my ($map) = @_;	2145	my ($map) = @_;
1841		2146
1842	my @diag; # diagonal neighbours	2147	my @neigh; # diagonal neighbours
1843		2148
1844	for (0 .. 3) {	2149	for (0 .. 3) {
1845	my $neigh = $map->tile_path ($_)	2150	my $neigh = $map->tile_path ($_)
1846	or next;	2151	or next;
1847	$neigh = find $neigh, $map	2152	$neigh = find $neigh, $map
1848	or next;	2153	or next;
1849	$neigh->load;	2154	$neigh->load;
1850		2155
		2156	push @neigh,
1851	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2157	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1852	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2158	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1853	}	2159	}
1854		2160
1855	for (@diag) {	2161	for (grep defined $_->[0], @neigh) {
		2162	my ($path, $origin) = @$_;
1856	my $neigh = find @$_	2163	my $neigh = find $path, $origin
1857	or next;	2164	or next;
1858	$neigh->load;	2165	$neigh->load;
1859	}	2166	}
1860	}	2167	}
1861		2168
…		…
1866	}	2173	}
1867		2174
1868	sub do_load_sync {	2175	sub do_load_sync {
1869	my ($map) = @_;	2176	my ($map) = @_;
1870		2177
		2178	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2179	if $Coro::current == $Coro::main;
		2180
1871	cf::sync_job { $map->load };	2181	cf::sync_job { $map->load };
1872	}	2182	}
1873		2183
1874	our %MAP_PREFETCH;	2184	our %MAP_PREFETCH;
1875	our $MAP_PREFETCHER = undef;	2185	our $MAP_PREFETCHER = undef;
1876		2186
1877	sub find_async {	2187	sub find_async {
1878	my ($path, $origin) = @_;	2188	my ($path, $origin, $load) = @_;
1879		2189
1880	$path = normalise $path, $origin && $origin->{path};	2190	$path = normalise $path, $origin && $origin->{path};
1881		2191
1882	if (my $map = $cf::MAP{$path}) {	2192	if (my $map = $cf::MAP{$path}) {
1883	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2193	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1884	}	2194	}
1885		2195
1886	undef $MAP_PREFETCH{$path};	2196	$MAP_PREFETCH{$path} |= $load;
		2197
1887	$MAP_PREFETCHER ||= cf::async {	2198	$MAP_PREFETCHER ||= cf::async {
		2199	$Coro::current->{desc} = "map prefetcher";
		2200
1888	while (%MAP_PREFETCH) {	2201	while (%MAP_PREFETCH) {
1889	for my $path (keys %MAP_PREFETCH) {	2202	while (my ($k, $v) = each %MAP_PREFETCH) {
1890	my $map = find $path	2203	if (my $map = find $k) {
1891	or next;
1892	$map->load;	2204	$map->load if $v;
		2205	}
1893		2206
1894	delete $MAP_PREFETCH{$path};	2207	delete $MAP_PREFETCH{$k};
1895	}	2208	}
1896	}	2209	}
1897	undef $MAP_PREFETCHER;	2210	undef $MAP_PREFETCHER;
1898	};	2211	};
1899	$MAP_PREFETCHER->prio (6);	2212	$MAP_PREFETCHER->prio (6);
1900		2213
1901	()	2214	()
1902	}	2215	}
1903		2216
		2217	# common code, used by both ->save and ->swapout
1904	sub save {	2218	sub _save {
1905	my ($self) = @_;	2219	my ($self) = @_;
1906
1907	my $lock = cf::lock_acquire "map_data:" . $self->path;
1908		2220
1909	$self->{last_save} = $cf::RUNTIME;	2221	$self->{last_save} = $cf::RUNTIME;
1910		2222
1911	return unless $self->dirty;	2223	return unless $self->dirty;
1912		2224
…		…
1918	return if $self->{deny_save};	2230	return if $self->{deny_save};
1919		2231
1920	local $self->{last_access} = $self->last_access;#d#	2232	local $self->{last_access} = $self->last_access;#d#
1921		2233
1922	cf::async {	2234	cf::async {
		2235	$Coro::current->{desc} = "map player save";
1923	$_->contr->save for $self->players;	2236	$_->contr->save for $self->players;
1924	};	2237	};
		2238
		2239	cf::get_slot 0.02;
1925		2240
1926	if ($uniq) {	2241	if ($uniq) {
1927	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2242	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1928	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2243	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1929	} else {	2244	} else {
1930	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2245	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1931	}	2246	}
1932	}	2247	}
1933		2248
		2249	sub save {
		2250	my ($self) = @_;
		2251
		2252	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2253
		2254	$self->_save;
		2255	}
		2256
1934	sub swap_out {	2257	sub swap_out {
1935	my ($self) = @_;	2258	my ($self) = @_;
1936		2259
1937	# save first because save cedes
1938	$self->save;
1939
1940	my $lock = cf::lock_acquire "map_data:" . $self->path;	2260	my $lock = cf::lock_acquire "map_data:$self->{path}";
1941		2261
		2262	return if $self->in_memory != cf::MAP_ACTIVE;
		2263	return if $self->{deny_save};
1942	return if $self->players;	2264	return if $self->players;
1943	return if $self->in_memory != cf::MAP_IN_MEMORY;
1944	return if $self->{deny_save};
1945		2265
		2266	# first deactivate the map and "unlink" it from the core
		2267	$self->deactivate;
		2268	$_->clear_links_to ($self) for values %cf::MAP;
		2269	$self->in_memory (cf::MAP_SWAPPED);
		2270
		2271	# then atomically save
		2272	$self->_save;
		2273
		2274	# then free the map
1946	$self->clear;	2275	$self->clear;
1947	$self->in_memory (cf::MAP_SWAPPED);
1948	}	2276	}
1949		2277
1950	sub reset_at {	2278	sub reset_at {
1951	my ($self) = @_;	2279	my ($self) = @_;
1952		2280
…		…
1970		2298
1971	my $lock = cf::lock_acquire "map_data:$self->{path}";	2299	my $lock = cf::lock_acquire "map_data:$self->{path}";
1972		2300
1973	return if $self->players;	2301	return if $self->players;
1974		2302
1975	warn "resetting map ", $self->path;	2303	warn "resetting map ", $self->path, "\n";
1976		2304
1977	$self->in_memory (cf::MAP_SWAPPED);	2305	$self->in_memory (cf::MAP_SWAPPED);
1978		2306
1979	# need to save uniques path	2307	# need to save uniques path
1980	unless ($self->{deny_save}) {	2308	unless ($self->{deny_save}) {
…		…
1984	if $uniq;	2312	if $uniq;
1985	}	2313	}
1986		2314
1987	delete $cf::MAP{$self->path};	2315	delete $cf::MAP{$self->path};
1988		2316
		2317	$self->deactivate;
		2318	$_->clear_links_to ($self) for values %cf::MAP;
1989	$self->clear;	2319	$self->clear;
1990
1991	$_->clear_links_to ($self) for values %cf::MAP;
1992		2320
1993	$self->unlink_save;	2321	$self->unlink_save;
1994	$self->destroy;	2322	$self->destroy;
1995	}	2323	}
1996		2324
1997	my $nuke_counter = "aaaa";	2325	my $nuke_counter = "aaaa";
1998		2326
1999	sub nuke {	2327	sub nuke {
2000	my ($self) = @_;	2328	my ($self) = @_;
2001		2329
		2330	{
		2331	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2332
2002	delete $cf::MAP{$self->path};	2333	delete $cf::MAP{$self->path};
2003		2334
2004	$self->unlink_save;	2335	$self->unlink_save;
2005		2336
2006	bless $self, "cf::map";	2337	bless $self, "cf::map";
2007	delete $self->{deny_reset};	2338	delete $self->{deny_reset};
2008	$self->{deny_save} = 1;	2339	$self->{deny_save} = 1;
2009	$self->reset_timeout (1);	2340	$self->reset_timeout (1);
2010	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2341	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2011		2342
2012	$cf::MAP{$self->path} = $self;	2343	$cf::MAP{$self->path} = $self;
		2344	}
2013		2345
2014	$self->reset; # polite request, might not happen	2346	$self->reset; # polite request, might not happen
2015	}	2347	}
2016		2348
2017	=item $maps = cf::map::tmp_maps	2349	=item $maps = cf::map::tmp_maps
…		…
2059		2391
2060	sub unique_maps() {	2392	sub unique_maps() {
2061	[	2393	[
2062	map {	2394	map {
2063	utf8::decode $_;	2395	utf8::decode $_;
2064	/\.map$/	2396	s/\.map$//; # TODO future compatibility hack
		2397	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2398	? ()
2065	? normalise $_	2399	: normalise $_
2066	: ()
2067	} @{ aio_readdir $UNIQUEDIR or [] }	2400	} @{ aio_readdir $UNIQUEDIR or [] }
2068	]	2401	]
2069	}	2402	}
2070		2403
2071	package cf;	2404	=item cf::map::static_maps
		2405
		2406	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2407	file in the shared directory excluding F</styles> and F</editor>). May
		2408	block.
		2409
		2410	=cut
		2411
		2412	sub static_maps() {
		2413	my @dirs = "";
		2414	my @maps;
		2415
		2416	while (@dirs) {
		2417	my $dir = shift @dirs;
		2418
		2419	next if $dir eq "/styles" || $dir eq "/editor";
		2420
		2421	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2422	or return;
		2423
		2424	for (@$files) {
		2425	s/\.map$// or next;
		2426	utf8::decode $_;
		2427	push @maps, "$dir/$_";
		2428	}
		2429
		2430	push @dirs, map "$dir/$_", @$dirs;
		2431	}
		2432
		2433	\@maps
		2434	}
2072		2435
2073	=back	2436	=back
2074		2437
2075	=head3 cf::object	2438	=head3 cf::object
2076		2439
…		…
2080		2443
2081	=over 4	2444	=over 4
2082		2445
2083	=item $ob->inv_recursive	2446	=item $ob->inv_recursive
2084		2447
2085	Returns the inventory of the object _and_ their inventories, recursively.	2448	Returns the inventory of the object I<and> their inventories, recursively,
		2449	but I<not> the object itself.
2086		2450
2087	=cut	2451	=cut
2088		2452
2089	sub inv_recursive_;	2453	sub inv_recursive_;
2090	sub inv_recursive_ {	2454	sub inv_recursive_ {
…		…
2093		2457
2094	sub inv_recursive {	2458	sub inv_recursive {
2095	inv_recursive_ inv $_[0]	2459	inv_recursive_ inv $_[0]
2096	}	2460	}
2097		2461
		2462	=item $ref = $ob->ref
		2463
		2464	Creates and returns a persistent reference to an object that can be stored as a string.
		2465
		2466	=item $ob = cf::object::deref ($refstring)
		2467
		2468	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2469	even if the object actually exists. May block.
		2470
		2471	=cut
		2472
		2473	sub deref {
		2474	my ($ref) = @_;
		2475
		2476	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2477	my ($uuid, $name) = ($1, $2);
		2478	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2479	or return;
		2480	$pl->ob->uuid eq $uuid
		2481	or return;
		2482
		2483	$pl->ob
		2484	} else {
		2485	warn "$ref: cannot resolve object reference\n";
		2486	undef
		2487	}
		2488	}
		2489
2098	package cf;	2490	package cf;
2099		2491
2100	=back	2492	=back
2101		2493
2102	=head3 cf::object::player	2494	=head3 cf::object::player
…		…
2108	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2500	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2109	can be C<undef>. Does the right thing when the player is currently in a	2501	can be C<undef>. Does the right thing when the player is currently in a
2110	dialogue with the given NPC character.	2502	dialogue with the given NPC character.
2111		2503
2112	=cut	2504	=cut
		2505
		2506	our $SAY_CHANNEL = {
		2507	id => "say",
		2508	title => "Map",
		2509	reply => "say ",
		2510	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2511	};
		2512
		2513	our $CHAT_CHANNEL = {
		2514	id => "chat",
		2515	title => "Chat",
		2516	reply => "chat ",
		2517	tooltip => "Player chat and shouts, global to the server.",
		2518	};
2113		2519
2114	# rough implementation of a future "reply" method that works	2520	# rough implementation of a future "reply" method that works
2115	# with dialog boxes.	2521	# with dialog boxes.
2116	#TODO: the first argument must go, split into a $npc->reply_to ( method	2522	#TODO: the first argument must go, split into a $npc->reply_to ( method
2117	sub cf::object::player::reply($$$;$) {	2523	sub cf::object::player::reply($$$;$) {
…		…
2124		2530
2125	} else {	2531	} else {
2126	my $pl = $self->contr;	2532	my $pl = $self->contr;
2127		2533
2128	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2534	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2129	my $diag = $pl->{npc_dialog};	2535	my $dialog = $pl->{npc_dialog};
2130	$diag->{pl}->ext_reply (	2536	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2131	$diag->{id},
2132	msgtype => "reply",
2133	msg => $diag->{pl}->expand_cfpod ($msg),
2134	add_topics => []
2135	);
2136		2537
2137	} else {	2538	} else {
2138	$msg = $npc->name . " says: $msg" if $npc;	2539	$msg = $npc->name . " says: $msg" if $npc;
2139	$self->message ($msg, $flags);	2540	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2140	}	2541	}
2141	}	2542	}
		2543	}
		2544
		2545	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2546
		2547	=cut
		2548
		2549	sub cf::object::send_msg {
		2550	my $pl = shift->contr
		2551	or return;
		2552	$pl->send_msg (@_);
2142	}	2553	}
2143		2554
2144	=item $player_object->may ("access")	2555	=item $player_object->may ("access")
2145		2556
2146	Returns wether the given player is authorized to access resource "access"	2557	Returns wether the given player is authorized to access resource "access"
…		…
2159		2570
2160	=item $player_object->enter_link	2571	=item $player_object->enter_link
2161		2572
2162	Freezes the player and moves him/her to a special map (C<{link}>).	2573	Freezes the player and moves him/her to a special map (C<{link}>).
2163		2574
2164	The player should be reasonably safe there for short amounts of time. You	2575	The player should be reasonably safe there for short amounts of time (e.g.
2165	I<MUST> call C<leave_link> as soon as possible, though.	2576	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2577	though, as the palyer cannot control the character while it is on the link
		2578	map.
2166		2579
2167	Will never block.	2580	Will never block.
2168		2581
2169	=item $player_object->leave_link ($map, $x, $y)	2582	=item $player_object->leave_link ($map, $x, $y)
2170		2583
…		…
2222	($x, $y) = (-1, -1)	2635	($x, $y) = (-1, -1)
2223	unless (defined $x) && (defined $y);	2636	unless (defined $x) && (defined $y);
2224		2637
2225	# use -1 or undef as default coordinates, not 0, 0	2638	# use -1 or undef as default coordinates, not 0, 0
2226	($x, $y) = ($map->enter_x, $map->enter_y)	2639	($x, $y) = ($map->enter_x, $map->enter_y)
2227	if $x <=0 && $y <= 0;	2640	if $x <= 0 && $y <= 0;
2228		2641
2229	$map->load;	2642	$map->load;
2230	$map->load_diag;	2643	$map->load_neighbours;
2231		2644
2232	return unless $self->contr->active;	2645	return unless $self->contr->active;
2233	$self->activate_recursive;
2234		2646
2235	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2647	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2236	$self->enter_map ($map, $x, $y);	2648	$self->enter_map ($map, $x, $y);
2237	}
2238		2649
		2650	# only activate afterwards, to support waiting in hooks
		2651	$self->activate_recursive;
		2652	}
		2653
2239	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2654	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2240		2655
2241	Moves the player to the given map-path and coordinates by first freezing	2656	Moves the player to the given map-path and coordinates by first freezing
2242	her, loading and preparing them map, calling the provided $check callback	2657	her, loading and preparing them map, calling the provided $check callback
2243	that has to return the map if sucecssful, and then unfreezes the player on	2658	that has to return the map if sucecssful, and then unfreezes the player on
2244	the new (success) or old (failed) map position.	2659	the new (success) or old (failed) map position. In either case, $done will
		2660	be called at the end of this process.
		2661
		2662	Note that $check will be called with a potentially non-loaded map, so if
		2663	it needs a loaded map it has to call C<< ->load >>.
2245		2664
2246	=cut	2665	=cut
2247		2666
2248	our $GOTOGEN;	2667	our $GOTOGEN;
2249		2668
2250	sub cf::object::player::goto {	2669	sub cf::object::player::goto {
2251	my ($self, $path, $x, $y, $check) = @_;	2670	my ($self, $path, $x, $y, $check, $done) = @_;
2252		2671
2253	# do generation counting so two concurrent goto's will be executed in-order	2672	# do generation counting so two concurrent goto's will be executed in-order
2254	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2673	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2255		2674
2256	$self->enter_link;	2675	$self->enter_link;
2257		2676
2258	(async {	2677	(async {
		2678	$Coro::current->{desc} = "player::goto $path $x $y";
		2679
		2680	# *tag paths override both path and x|y
		2681	if ($path =~ /^\*(.*)$/) {
		2682	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2683	my $ob = $obs[rand @obs];
		2684
		2685	# see if we actually can go there
		2686	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2687	$ob = $obs[rand @obs];
		2688	} else {
		2689	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2690	}
		2691	# else put us there anyways for now #d#
		2692
		2693	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2694	} else {
		2695	($path, $x, $y) = (undef, undef, undef);
		2696	}
		2697	}
		2698
2259	my $map = eval {	2699	my $map = eval {
2260	my $map = cf::map::find $path;	2700	my $map = defined $path ? cf::map::find $path : undef;
2261		2701
2262	if ($map) {	2702	if ($map) {
2263	$map = $map->customise_for ($self);	2703	$map = $map->customise_for ($self);
2264	$map = $check->($map) if $check && $map;	2704	$map = $check->($map) if $check && $map;
2265	} else {	2705	} else {
2266	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2706	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2267	}	2707	}
2268		2708
2269	$map	2709	$map
2270	};	2710	};
2271		2711
…		…
2276		2716
2277	if ($gen == $self->{_goto_generation}) {	2717	if ($gen == $self->{_goto_generation}) {
2278	delete $self->{_goto_generation};	2718	delete $self->{_goto_generation};
2279	$self->leave_link ($map, $x, $y);	2719	$self->leave_link ($map, $x, $y);
2280	}	2720	}
		2721
		2722	$done->() if $done;
2281	})->prio (1);	2723	})->prio (1);
2282	}	2724	}
2283		2725
2284	=item $player_object->enter_exit ($exit_object)	2726	=item $player_object->enter_exit ($exit_object)
2285		2727
…		…
2305	}	2747	}
2306		2748
2307	sub prepare_random_map {	2749	sub prepare_random_map {
2308	my ($exit) = @_;	2750	my ($exit) = @_;
2309		2751
2310	my $guard = cf::lock_acquire "exit_prepare:$exit";
2311
2312	# all this does is basically replace the /! path by	2752	# all this does is basically replace the /! path by
2313	# a new random map path (?random/...) with a seed	2753	# a new random map path (?random/...) with a seed
2314	# that depends on the exit object	2754	# that depends on the exit object
2315		2755
2316	my $rmp = parse_random_map_params $exit->msg;	2756	my $rmp = parse_random_map_params $exit->msg;
…		…
2318	if ($exit->map) {	2758	if ($exit->map) {
2319	$rmp->{region} = $exit->region->name;	2759	$rmp->{region} = $exit->region->name;
2320	$rmp->{origin_map} = $exit->map->path;	2760	$rmp->{origin_map} = $exit->map->path;
2321	$rmp->{origin_x} = $exit->x;	2761	$rmp->{origin_x} = $exit->x;
2322	$rmp->{origin_y} = $exit->y;	2762	$rmp->{origin_y} = $exit->y;
		2763
		2764	$exit->map->touch;
2323	}	2765	}
2324		2766
2325	$rmp->{random_seed} ||= $exit->random_seed;	2767	$rmp->{random_seed} ||= $exit->random_seed;
2326		2768
2327	my $data = cf::to_json $rmp;	2769	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2328	my $md5 = Digest::MD5::md5_hex $data;	2770	my $md5 = Digest::MD5::md5_hex $data;
2329	my $meta = "$RANDOMDIR/$md5.meta";	2771	my $meta = "$RANDOMDIR/$md5.meta";
2330		2772
2331	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2773	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2332	aio_write $fh, 0, (length $data), $data, 0;	2774	aio_write $fh, 0, (length $data), $data, 0;
2333	undef $fh;	2775	undef $fh;
2334	aio_rename "$meta~", $meta;	2776	aio_rename "$meta~", $meta;
2335		2777
		2778	my $slaying = "?random/$md5";
		2779
		2780	if ($exit->valid) {
2336	$exit->slaying ("?random/$md5");	2781	$exit->slaying ("?random/$md5");
2337	$exit->msg (undef);	2782	$exit->msg (undef);
		2783	}
2338	}	2784	}
2339	}	2785	}
2340		2786
2341	sub cf::object::player::enter_exit {	2787	sub cf::object::player::enter_exit {
2342	my ($self, $exit) = @_;	2788	my ($self, $exit) = @_;
2343		2789
2344	return unless $self->type == cf::PLAYER;	2790	return unless $self->type == cf::PLAYER;
2345		2791
2346	if ($exit->slaying eq "/!") {
2347	#TODO: this should de-fi-ni-te-ly not be a sync-job
2348	# the problem is that $exit might not survive long enough
2349	# so it needs to be done right now, right here
2350	cf::sync_job { prepare_random_map $exit };
2351	}
2352
2353	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2354	my $hp = $exit->stats->hp;
2355	my $sp = $exit->stats->sp;
2356
2357	$self->enter_link;	2792	$self->enter_link;
2358		2793
2359	(async {	2794	(async {
2360	$self->deactivate_recursive; # just to be sure	2795	$Coro::current->{desc} = "enter_exit";
		2796
2361	unless (eval {	2797	unless (eval {
		2798	$self->deactivate_recursive; # just to be sure
		2799
		2800	# random map handling
		2801	{
		2802	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2803
		2804	prepare_random_map $exit
		2805	if $exit->slaying eq "/!";
		2806	}
		2807
		2808	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2809	my $x = $exit->stats->hp;
		2810	my $y = $exit->stats->sp;
		2811
2362	$self->goto ($slaying, $hp, $sp);	2812	$self->goto ($map, $x, $y);
2363		2813
		2814	# if exit is damned, update players death & WoR home-position
		2815	$self->contr->savebed ($map, $x, $y)
		2816	if $exit->flag (cf::FLAG_DAMNED);
		2817
2364	1;	2818	1
2365	}) {	2819	}) {
2366	$self->message ("Something went wrong deep within the crossfire server. "	2820	$self->message ("Something went wrong deep within the deliantra server. "
2367	. "I'll try to bring you back to the map you were before. "	2821	. "I'll try to bring you back to the map you were before. "
2368	. "Please report this to the dungeon master!",	2822	. "Please report this to the dungeon master!",
2369	cf::NDI_UNIQUE | cf::NDI_RED);	2823	cf::NDI_UNIQUE | cf::NDI_RED);
2370		2824
2371	warn "ERROR in enter_exit: $@";	2825	warn "ERROR in enter_exit: $@";
…		…
2390		2844
2391	utf8::encode $text;	2845	utf8::encode $text;
2392	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2846	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2393	}	2847	}
2394		2848
		2849	=item $client->send_big_packet ($pkt)
		2850
		2851	Like C<send_packet>, but tries to compress large packets, and fragments
		2852	them as required.
		2853
		2854	=cut
		2855
		2856	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2857
		2858	sub cf::client::send_big_packet {
		2859	my ($self, $pkt) = @_;
		2860
		2861	# try lzf for large packets
		2862	$pkt = "lzf " . Compress::LZF::compress $pkt
		2863	if 1024 <= length $pkt and $self->{can_lzf};
		2864
		2865	# split very large packets
		2866	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2867	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2868	$pkt = "frag";
		2869	}
		2870
		2871	$self->send_packet ($pkt);
		2872	}
		2873
2395	=item $client->send_msg ($color, $type, $msg, [extra...])	2874	=item $client->send_msg ($channel, $msg, $color, [extra...])
2396		2875
2397	Send a drawinfo or msg packet to the client, formatting the msg for the	2876	Send a drawinfo or msg packet to the client, formatting the msg for the
2398	client if neccessary. C<$type> should be a string identifying the type of	2877	client if neccessary. C<$type> should be a string identifying the type of
2399	the message, with C<log> being the default. If C<$color> is negative, suppress	2878	the message, with C<log> being the default. If C<$color> is negative, suppress
2400	the message unless the client supports the msg packet.	2879	the message unless the client supports the msg packet.
2401		2880
2402	=cut	2881	=cut
2403		2882
		2883	# non-persistent channels (usually the info channel)
		2884	our %CHANNEL = (
		2885	"c/motd" => {
		2886	id => "infobox",
		2887	title => "MOTD",
		2888	reply => undef,
		2889	tooltip => "The message of the day",
		2890	},
		2891	"c/identify" => {
		2892	id => "infobox",
		2893	title => "Identify",
		2894	reply => undef,
		2895	tooltip => "Items recently identified",
		2896	},
		2897	"c/examine" => {
		2898	id => "infobox",
		2899	title => "Examine",
		2900	reply => undef,
		2901	tooltip => "Signs and other items you examined",
		2902	},
		2903	"c/shopinfo" => {
		2904	id => "infobox",
		2905	title => "Shop Info",
		2906	reply => undef,
		2907	tooltip => "What your bargaining skill tells you about the shop",
		2908	},
		2909	"c/book" => {
		2910	id => "infobox",
		2911	title => "Book",
		2912	reply => undef,
		2913	tooltip => "The contents of a note or book",
		2914	},
		2915	"c/lookat" => {
		2916	id => "infobox",
		2917	title => "Look",
		2918	reply => undef,
		2919	tooltip => "What you saw there",
		2920	},
		2921	"c/who" => {
		2922	id => "infobox",
		2923	title => "Players",
		2924	reply => undef,
		2925	tooltip => "Shows players who are currently online",
		2926	},
		2927	"c/body" => {
		2928	id => "infobox",
		2929	title => "Body Parts",
		2930	reply => undef,
		2931	tooltip => "Shows which body parts you posess and are available",
		2932	},
		2933	"c/statistics" => {
		2934	id => "infobox",
		2935	title => "Statistics",
		2936	reply => undef,
		2937	tooltip => "Shows your primary statistics",
		2938	},
		2939	"c/skills" => {
		2940	id => "infobox",
		2941	title => "Skills",
		2942	reply => undef,
		2943	tooltip => "Shows your experience per skill and item power",
		2944	},
		2945	"c/shopitems" => {
		2946	id => "infobox",
		2947	title => "Shop Items",
		2948	reply => undef,
		2949	tooltip => "Shows the items currently for sale in this shop",
		2950	},
		2951	"c/resistances" => {
		2952	id => "infobox",
		2953	title => "Resistances",
		2954	reply => undef,
		2955	tooltip => "Shows your resistances",
		2956	},
		2957	"c/pets" => {
		2958	id => "infobox",
		2959	title => "Pets",
		2960	reply => undef,
		2961	tooltip => "Shows information abotu your pets/a specific pet",
		2962	},
		2963	"c/perceiveself" => {
		2964	id => "infobox",
		2965	title => "Perceive Self",
		2966	reply => undef,
		2967	tooltip => "You gained detailed knowledge about yourself",
		2968	},
		2969	"c/uptime" => {
		2970	id => "infobox",
		2971	title => "Uptime",
		2972	reply => undef,
		2973	tooltip => "How long the server has been running since last restart",
		2974	},
		2975	"c/mapinfo" => {
		2976	id => "infobox",
		2977	title => "Map Info",
		2978	reply => undef,
		2979	tooltip => "Information related to the maps",
		2980	},
		2981	"c/party" => {
		2982	id => "party",
		2983	title => "Party",
		2984	reply => "gsay ",
		2985	tooltip => "Messages and chat related to your party",
		2986	},
		2987	"c/death" => {
		2988	id => "death",
		2989	title => "Death",
		2990	reply => undef,
		2991	tooltip => "Reason for and more info about your most recent death",
		2992	},
		2993	"c/say" => $SAY_CHANNEL,
		2994	"c/chat" => $CHAT_CHANNEL,
		2995	);
		2996
2404	sub cf::client::send_msg {	2997	sub cf::client::send_msg {
2405	my ($self, $color, $type, $msg, @extra) = @_;	2998	my ($self, $channel, $msg, $color, @extra) = @_;
2406		2999
2407	$msg = $self->pl->expand_cfpod ($msg);	3000	$msg = $self->pl->expand_cfpod ($msg)
		3001	unless $color & cf::NDI_VERBATIM;
2408		3002
2409	if ($self->can_msg) {	3003	$color &= cf::NDI_CLIENT_MASK; # just in case...
2410	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
2411	} else {
2412	# replace some tags by gcfclient-compatible ones
2413	for ($msg) {
2414	1 while
2415	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2416	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2417	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2418	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2419	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2420	}
2421		3004
2422	if ($color >= 0) {	3005	# check predefined channels, for the benefit of C
2423	if (0 && $msg =~ /\[/) {	3006	if ($CHANNEL{$channel}) {
2424	$self->send_packet ("drawextinfo $color 4 0 $msg")	3007	$channel = $CHANNEL{$channel};
2425	} else {	3008
2426	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	3009	$self->ext_msg (channel_info => $channel);
2427	$self->send_packet ("drawinfo $color $msg")	3010	$channel = $channel->{id};
		3011
		3012	} elsif (ref $channel) {
		3013	# send meta info to client, if not yet sent
		3014	unless (exists $self->{channel}{$channel->{id}}) {
		3015	$self->{channel}{$channel->{id}} = $channel;
		3016	$self->ext_msg (channel_info => $channel);
2428	}	3017	}
2429	}
2430	}
2431	}
2432		3018
		3019	$channel = $channel->{id};
		3020	}
		3021
		3022	return unless @extra || length $msg;
		3023
		3024	# default colour, mask it out
		3025	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3026	if $color & cf::NDI_DEF;
		3027
		3028	my $pkt = "msg "
		3029	. $self->{json_coder}->encode (
		3030	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3031	);
		3032
		3033	$self->send_big_packet ($pkt);
		3034	}
		3035
2433	=item $client->ext_event ($type, %msg)	3036	=item $client->ext_msg ($type, @msg)
2434		3037
2435	Sends an ext event to the client.	3038	Sends an ext event to the client.
2436		3039
2437	=cut	3040	=cut
2438		3041
2439	sub cf::client::ext_event($$%) {	3042	sub cf::client::ext_msg($$@) {
2440	my ($self, $type, %msg) = @_;	3043	my ($self, $type, @msg) = @_;
2441		3044
		3045	if ($self->extcmd == 2) {
		3046	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3047	} elsif ($self->extcmd == 1) { # TODO: remove
2442	$msg{msgtype} = "event_$type";	3048	push @msg, msgtype => "event_$type";
2443	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3049	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3050	}
		3051	}
		3052
		3053	=item $client->ext_reply ($msgid, @msg)
		3054
		3055	Sends an ext reply to the client.
		3056
		3057	=cut
		3058
		3059	sub cf::client::ext_reply($$@) {
		3060	my ($self, $id, @msg) = @_;
		3061
		3062	if ($self->extcmd == 2) {
		3063	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3064	} elsif ($self->extcmd == 1) {
		3065	#TODO: version 1, remove
		3066	unshift @msg, msgtype => "reply", msgid => $id;
		3067	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3068	}
2444	}	3069	}
2445		3070
2446	=item $success = $client->query ($flags, "text", \&cb)	3071	=item $success = $client->query ($flags, "text", \&cb)
2447		3072
2448	Queues a query to the client, calling the given callback with	3073	Queues a query to the client, calling the given callback with
…		…
2503	my ($ns, $buf) = @_;	3128	my ($ns, $buf) = @_;
2504		3129
2505	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3130	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2506		3131
2507	if (ref $msg) {	3132	if (ref $msg) {
		3133	my ($type, $reply, @payload) =
		3134	"ARRAY" eq ref $msg
		3135	? @$msg
		3136	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3137
		3138	my @reply;
		3139
2508	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3140	if (my $cb = $EXTICMD{$type}) {
2509	if (my %reply = $cb->($ns, $msg)) {	3141	@reply = $cb->($ns, @payload);
2510	$reply{msgid} = $msg->{msgid};
2511	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2512	}
2513	}	3142	}
		3143
		3144	$ns->ext_reply ($reply, @reply)
		3145	if $reply;
		3146
2514	} else {	3147	} else {
2515	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3148	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2516	}	3149	}
2517		3150
2518	cf::override;	3151	cf::override;
…		…
2540		3173
2541	$coro	3174	$coro
2542	}	3175	}
2543		3176
2544	cf::client->attach (	3177	cf::client->attach (
2545	on_destroy => sub {	3178	on_client_destroy => sub {
2546	my ($ns) = @_;	3179	my ($ns) = @_;
2547		3180
2548	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3181	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2549	},	3182	},
2550	);	3183	);
…		…
2565	our $safe = new Safe "safe";	3198	our $safe = new Safe "safe";
2566	our $safe_hole = new Safe::Hole;	3199	our $safe_hole = new Safe::Hole;
2567		3200
2568	$SIG{FPE} = 'IGNORE';	3201	$SIG{FPE} = 'IGNORE';
2569		3202
2570	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3203	$safe->permit_only (Opcode::opset qw(
		3204	:base_core :base_mem :base_orig :base_math :base_loop
		3205	grepstart grepwhile mapstart mapwhile
		3206	sort time
		3207	));
2571		3208
2572	# here we export the classes and methods available to script code	3209	# here we export the classes and methods available to script code
2573		3210
2574	=pod	3211	=pod
2575		3212
2576	The following functions and methods are available within a safe environment:	3213	The following functions and methods are available within a safe environment:
2577		3214
2578	cf::object contr pay_amount pay_player map	3215	cf::object
		3216	contr pay_amount pay_player map x y force_find force_add destroy
		3217	insert remove name archname title slaying race decrease split
		3218	value
		3219
2579	cf::object::player player	3220	cf::object::player
2580	cf::player peaceful	3221	player
2581	cf::map trigger	3222
		3223	cf::player
		3224	peaceful
		3225
		3226	cf::map
		3227	trigger
2582		3228
2583	=cut	3229	=cut
2584		3230
2585	for (	3231	for (
2586	["cf::object" => qw(contr pay_amount pay_player map)],	3232	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3233	insert remove inv nrof name archname title slaying race
		3234	decrease split destroy change_exp value msg lore send_msg)],
2587	["cf::object::player" => qw(player)],	3235	["cf::object::player" => qw(player)],
2588	["cf::player" => qw(peaceful)],	3236	["cf::player" => qw(peaceful send_msg)],
2589	["cf::map" => qw(trigger)],	3237	["cf::map" => qw(trigger)],
2590	) {	3238	) {
2591	no strict 'refs';	3239	no strict 'refs';
2592	my ($pkg, @funs) = @$_;	3240	my ($pkg, @funs) = @$_;
2593	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3241	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2611		3259
2612	my $qcode = $code;	3260	my $qcode = $code;
2613	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3261	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2614	$qcode =~ s/\n/\\n/g;	3262	$qcode =~ s/\n/\\n/g;
2615		3263
		3264	%vars = (_dummy => 0) unless %vars;
		3265
		3266	my @res;
2616	local $_;	3267	local $_;
2617	local @safe::cf::_safe_eval_args = values %vars;
2618		3268
2619	my $eval =	3269	my $eval =
2620	"do {\n"	3270	"do {\n"
2621	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3271	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2622	. "#line 0 \"{$qcode}\"\n"	3272	. "#line 0 \"{$qcode}\"\n"
2623	. $code	3273	. $code
2624	. "\n}"	3274	. "\n}"
2625	;	3275	;
2626		3276
		3277	if ($CFG{safe_eval}) {
2627	sub_generation_inc;	3278	sub_generation_inc;
		3279	local @safe::cf::_safe_eval_args = values %vars;
2628	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3280	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2629	sub_generation_inc;	3281	sub_generation_inc;
		3282	} else {
		3283	local @cf::_safe_eval_args = values %vars;
		3284	@res = wantarray ? eval eval : scalar eval $eval;
		3285	}
2630		3286
2631	if ($@) {	3287	if ($@) {
2632	warn "$@";	3288	warn "$@";
2633	warn "while executing safe code '$code'\n";	3289	warn "while executing safe code '$code'\n";
2634	warn "with arguments " . (join " ", %vars) . "\n";	3290	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2653	=cut	3309	=cut
2654		3310
2655	sub register_script_function {	3311	sub register_script_function {
2656	my ($fun, $cb) = @_;	3312	my ($fun, $cb) = @_;
2657		3313
2658	no strict 'refs';	3314	$fun = "safe::$fun" if $CFG{safe_eval};
2659	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3315	*$fun = $safe_hole->wrap ($cb);
2660	}	3316	}
2661		3317
2662	=back	3318	=back
2663		3319
2664	=cut	3320	=cut
…		…
2666	#############################################################################	3322	#############################################################################
2667	# the server's init and main functions	3323	# the server's init and main functions
2668		3324
2669	sub load_facedata($) {	3325	sub load_facedata($) {
2670	my ($path) = @_;	3326	my ($path) = @_;
		3327
		3328	# HACK to clear player env face cache, we need some signal framework
		3329	# for this (global event?)
		3330	%ext::player_env::MUSIC_FACE_CACHE = ();
		3331
		3332	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2671		3333
2672	warn "loading facedata from $path\n";	3334	warn "loading facedata from $path\n";
2673		3335
2674	my $facedata;	3336	my $facedata;
2675	0 < aio_load $path, $facedata	3337	0 < aio_load $path, $facedata
…		…
2678	$facedata = Coro::Storable::thaw $facedata;	3340	$facedata = Coro::Storable::thaw $facedata;
2679		3341
2680	$facedata->{version} == 2	3342	$facedata->{version} == 2
2681	or cf::cleanup "$path: version mismatch, cannot proceed.";	3343	or cf::cleanup "$path: version mismatch, cannot proceed.";
2682		3344
		3345	# patch in the exptable
		3346	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3347	$facedata->{resource}{"res/exp_table"} = {
		3348	type => FT_RSRC,
		3349	data => $exp_table,
		3350	hash => (Digest::MD5::md5 $exp_table),
		3351	};
		3352	cf::cede_to_tick;
		3353
2683	{	3354	{
2684	my $faces = $facedata->{faceinfo};	3355	my $faces = $facedata->{faceinfo};
2685		3356
2686	while (my ($face, $info) = each %$faces) {	3357	while (my ($face, $info) = each %$faces) {
2687	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3358	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3359
2688	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3360	cf::face::set_visibility $idx, $info->{visibility};
		3361	cf::face::set_magicmap $idx, $info->{magicmap};
2689	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3362	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2690	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3363	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2691	Coro::cede;	3364
		3365	cf::cede_to_tick;
2692	}	3366	}
2693		3367
2694	while (my ($face, $info) = each %$faces) {	3368	while (my ($face, $info) = each %$faces) {
2695	next unless $info->{smooth};	3369	next unless $info->{smooth};
		3370
2696	my $idx = cf::face::find $face	3371	my $idx = cf::face::find $face
2697	or next;	3372	or next;
		3373
2698	if (my $smooth = cf::face::find $info->{smooth}) {	3374	if (my $smooth = cf::face::find $info->{smooth}) {
		3375	cf::face::set_smooth $idx, $smooth;
2699	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3376	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2700	} else {	3377	} else {
2701	warn "smooth face '$info->{smooth}' not found for face '$face'";	3378	warn "smooth face '$info->{smooth}' not found for face '$face'";
2702	}	3379	}
2703	Coro::cede;	3380
		3381	cf::cede_to_tick;
2704	}	3382	}
2705	}	3383	}
2706		3384
2707	{	3385	{
2708	my $anims = $facedata->{animinfo};	3386	my $anims = $facedata->{animinfo};
2709		3387
2710	while (my ($anim, $info) = each %$anims) {	3388	while (my ($anim, $info) = each %$anims) {
2711	cf::anim::set $anim, $info->{frames}, $info->{facings};	3389	cf::anim::set $anim, $info->{frames}, $info->{facings};
2712	Coro::cede;	3390	cf::cede_to_tick;
2713	}	3391	}
2714		3392
2715	cf::anim::invalidate_all; # d'oh	3393	cf::anim::invalidate_all; # d'oh
2716	}	3394	}
2717		3395
		3396	{
		3397	my $res = $facedata->{resource};
		3398
		3399	while (my ($name, $info) = each %$res) {
		3400	if (defined $info->{type}) {
		3401	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3402
		3403	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3404	cf::face::set_type $idx, $info->{type};
		3405	} else {
		3406	$RESOURCE{$name} = $info;
		3407	}
		3408
		3409	cf::cede_to_tick;
		3410	}
		3411	}
		3412
		3413	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3414
2718	1	3415	1
2719	}	3416	}
2720		3417
		3418	cf::global->attach (on_resource_update => sub {
		3419	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3420	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3421
		3422	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3423	my $sound = $soundconf->{compat}[$_]
		3424	or next;
		3425
		3426	my $face = cf::face::find "sound/$sound->[1]";
		3427	cf::sound::set $sound->[0] => $face;
		3428	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3429	}
		3430
		3431	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3432	my $face = cf::face::find "sound/$v";
		3433	cf::sound::set $k => $face;
		3434	}
		3435	}
		3436	});
		3437
		3438	register_exticmd fx_want => sub {
		3439	my ($ns, $want) = @_;
		3440
		3441	while (my ($k, $v) = each %$want) {
		3442	$ns->fx_want ($k, $v);
		3443	}
		3444	};
		3445
		3446	sub load_resource_file($) {
		3447	my $guard = lock_acquire "load_resource_file";
		3448
		3449	my $status = load_resource_file_ $_[0];
		3450	get_slot 0.1, 100;
		3451	cf::arch::commit_load;
		3452
		3453	$status
		3454	}
		3455
2721	sub reload_regions {	3456	sub reload_regions {
		3457	# HACK to clear player env face cache, we need some signal framework
		3458	# for this (global event?)
		3459	%ext::player_env::MUSIC_FACE_CACHE = ();
		3460
2722	load_resource_file "$MAPDIR/regions"	3461	load_resource_file "$MAPDIR/regions"
2723	or die "unable to load regions file\n";	3462	or die "unable to load regions file\n";
		3463
		3464	for (cf::region::list) {
		3465	$_->{match} = qr/$_->{match}/
		3466	if exists $_->{match};
		3467	}
2724	}	3468	}
2725		3469
2726	sub reload_facedata {	3470	sub reload_facedata {
2727	load_facedata "$DATADIR/facedata"	3471	load_facedata "$DATADIR/facedata"
2728	or die "unable to load facedata\n";	3472	or die "unable to load facedata\n";
2729	}	3473	}
2730		3474
2731	sub reload_archetypes {	3475	sub reload_archetypes {
2732	load_resource_file "$DATADIR/archetypes"	3476	load_resource_file "$DATADIR/archetypes"
2733	or die "unable to load archetypes\n";	3477	or die "unable to load archetypes\n";
2734	#d# NEED to laod twice to resolve forward references
2735	# this really needs to be done in an extra post-pass
2736	# (which needs to be synchronous, so solve it differently)
2737	load_resource_file "$DATADIR/archetypes"
2738	or die "unable to load archetypes\n";
2739	}	3478	}
2740		3479
2741	sub reload_treasures {	3480	sub reload_treasures {
2742	load_resource_file "$DATADIR/treasures"	3481	load_resource_file "$DATADIR/treasures"
2743	or die "unable to load treasurelists\n";	3482	or die "unable to load treasurelists\n";
2744	}	3483	}
2745		3484
2746	sub reload_resources {	3485	sub reload_resources {
2747	warn "reloading resource files...\n";	3486	warn "reloading resource files...\n";
2748		3487
		3488	reload_facedata;
		3489	reload_archetypes;
2749	reload_regions;	3490	reload_regions;
2750	reload_facedata;
2751	#reload_archetypes;#d#
2752	reload_archetypes;
2753	reload_treasures;	3491	reload_treasures;
2754		3492
2755	warn "finished reloading resource files\n";	3493	warn "finished reloading resource files\n";
2756	}	3494	}
2757		3495
2758	sub init {	3496	sub reload_config {
2759	reload_resources;	3497	warn "reloading config file...\n";
2760	}
2761		3498
2762	sub cfg_load {
2763	open my $fh, "<:utf8", "$CONFDIR/config"	3499	open my $fh, "<:utf8", "$CONFDIR/config"
2764	or return;	3500	or return;
2765		3501
2766	local $/;	3502	local $/;
2767	*CFG = YAML::Syck::Load <$fh>;	3503	*CFG = YAML::XS::Load scalar <$fh>;
2768		3504
2769	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3505	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2770		3506
2771	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3507	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2772	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3508	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2776	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3512	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2777	and die "WARNING: m(un)lockall failed: $!\n";	3513	and die "WARNING: m(un)lockall failed: $!\n";
2778	};	3514	};
2779	warn $@ if $@;	3515	warn $@ if $@;
2780	}	3516	}
		3517
		3518	warn "finished reloading resource files\n";
		3519	}
		3520
		3521	sub pidfile() {
		3522	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3523	or die "$PIDFILE: $!";
		3524	flock $fh, &Fcntl::LOCK_EX
		3525	or die "$PIDFILE: flock: $!";
		3526	$fh
		3527	}
		3528
		3529	# make sure only one server instance is running at any one time
		3530	sub atomic {
		3531	my $fh = pidfile;
		3532
		3533	my $pid = <$fh>;
		3534	kill 9, $pid if $pid > 0;
		3535
		3536	seek $fh, 0, 0;
		3537	print $fh $$;
		3538	}
		3539
		3540	sub main_loop {
		3541	warn "EV::loop starting\n";
		3542	if (1) {
		3543	EV::loop;
		3544	}
		3545	warn "EV::loop returned\n";
		3546	goto &main_loop unless $REALLY_UNLOOP;
2781	}	3547	}
2782		3548
2783	sub main {	3549	sub main {
		3550	cf::init_globals; # initialise logging
		3551
		3552	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3553	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3554	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3555	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3556
		3557	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3558
2784	# we must not ever block the main coroutine	3559	# we must not ever block the main coroutine
2785	local $Coro::idle = sub {	3560	local $Coro::idle = sub {
2786	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3561	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2787	(async {	3562	(async {
2788	Event::one_event;	3563	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3564	EV::loop EV::LOOP_ONESHOT;
2789	})->prio (Coro::PRIO_MAX);	3565	})->prio (Coro::PRIO_MAX);
2790	};	3566	};
2791		3567
2792	cfg_load;	3568	evthread_start IO::AIO::poll_fileno;
		3569
		3570	cf::sync_job {
		3571	cf::init_experience;
		3572	cf::init_anim;
		3573	cf::init_attackmess;
		3574	cf::init_dynamic;
		3575
		3576	cf::load_settings;
		3577	cf::load_materials;
		3578
		3579	reload_resources;
		3580	reload_config;
2793	db_init;	3581	db_init;
		3582
		3583	cf::init_uuid;
		3584	cf::init_signals;
		3585	cf::init_skills;
		3586
		3587	cf::init_beforeplay;
		3588
		3589	atomic;
		3590
2794	load_extensions;	3591	load_extensions;
2795		3592
2796	$TICK_WATCHER->start;	3593	utime time, time, $RUNTIMEFILE;
2797	Event::loop;	3594
		3595	# no (long-running) fork's whatsoever before this point(!)
		3596	use POSIX ();
		3597	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3598
		3599	(pop @POST_INIT)->(0) while @POST_INIT;
		3600	};
		3601
		3602	cf::object::thawer::errors_are_fatal 0;
		3603	warn "parse errors in files are no longer fatal from this point on.\n";
		3604
		3605	main_loop;
2798	}	3606	}
2799		3607
2800	#############################################################################	3608	#############################################################################
2801	# initialisation and cleanup	3609	# initialisation and cleanup
2802		3610
2803	# install some emergency cleanup handlers	3611	# install some emergency cleanup handlers
2804	BEGIN {	3612	BEGIN {
		3613	our %SIGWATCHER = ();
2805	for my $signal (qw(INT HUP TERM)) {	3614	for my $signal (qw(INT HUP TERM)) {
2806	Event->signal (	3615	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2807	reentrant => 0,
2808	data => WF_AUTOCANCEL,
2809	signal => $signal,
2810	prio => 0,
2811	cb => sub {
2812	cf::cleanup "SIG$signal";	3616	cf::cleanup "SIG$signal";
2813	},
2814	);	3617	};
2815	}	3618	}
2816	}	3619	}
2817		3620
2818	sub write_runtime {	3621	sub write_runtime_sync {
2819	my $runtime = "$LOCALDIR/runtime";	3622	my $t0 = AE::time;
2820		3623
2821	# first touch the runtime file to show we are still running:	3624	# first touch the runtime file to show we are still running:
2822	# the fsync below can take a very very long time.	3625	# the fsync below can take a very very long time.
2823		3626
2824	IO::AIO::aio_utime $runtime, undef, undef;	3627	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2825		3628
2826	my $guard = cf::lock_acquire "write_runtime";	3629	my $guard = cf::lock_acquire "write_runtime";
2827		3630
2828	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3631	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2829	or return;	3632	or return;
2830		3633
2831	my $value = $cf::RUNTIME + 90 + 10;	3634	my $value = $cf::RUNTIME + 90 + 10;
2832	# 10 is the runtime save interval, for a monotonic clock	3635	# 10 is the runtime save interval, for a monotonic clock
2833	# 60 allows for the watchdog to kill the server.	3636	# 60 allows for the watchdog to kill the server.
…		…
2843	aio_utime $fh, undef, undef;	3646	aio_utime $fh, undef, undef;
2844		3647
2845	close $fh	3648	close $fh
2846	or return;	3649	or return;
2847		3650
2848	aio_rename "$runtime~", $runtime	3651	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2849	and return;	3652	and return;
2850		3653
2851	warn "runtime file written.\n";	3654	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
2852		3655
2853	1	3656	1
		3657	}
		3658
		3659	our $uuid_lock;
		3660	our $uuid_skip;
		3661
		3662	sub write_uuid_sync($) {
		3663	$uuid_skip ||= $_[0];
		3664
		3665	return if $uuid_lock;
		3666	local $uuid_lock = 1;
		3667
		3668	my $uuid = "$LOCALDIR/uuid";
		3669
		3670	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3671	or return;
		3672
		3673	my $value = uuid_seq uuid_cur;
		3674
		3675	unless ($value) {
		3676	warn "cowardly refusing to write zero uuid value!\n";
		3677	return;
		3678	}
		3679
		3680	my $value = uuid_str $value + $uuid_skip;
		3681	$uuid_skip = 0;
		3682
		3683	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3684	and return;
		3685
		3686	# always fsync - this file is important
		3687	aio_fsync $fh
		3688	and return;
		3689
		3690	close $fh
		3691	or return;
		3692
		3693	aio_rename "$uuid~", $uuid
		3694	and return;
		3695
		3696	warn "uuid file written ($value).\n";
		3697
		3698	1
		3699
		3700	}
		3701
		3702	sub write_uuid($$) {
		3703	my ($skip, $sync) = @_;
		3704
		3705	$sync ? write_uuid_sync $skip
		3706	: async { write_uuid_sync $skip };
2854	}	3707	}
2855		3708
2856	sub emergency_save() {	3709	sub emergency_save() {
2857	my $freeze_guard = cf::freeze_mainloop;	3710	my $freeze_guard = cf::freeze_mainloop;
2858		3711
2859	warn "enter emergency perl save\n";	3712	warn "emergency_perl_save: enter\n";
2860		3713
2861	cf::sync_job {	3714	cf::sync_job {
		3715	# this is a trade-off: we want to be very quick here, so
		3716	# save all maps without fsync, and later call a global sync
		3717	# (which in turn might be very very slow)
		3718	local $USE_FSYNC = 0;
		3719
2862	# use a peculiar iteration method to avoid tripping on perl	3720	# use a peculiar iteration method to avoid tripping on perl
2863	# refcount bugs in for. also avoids problems with players	3721	# refcount bugs in for. also avoids problems with players
2864	# and maps saved/destroyed asynchronously.	3722	# and maps saved/destroyed asynchronously.
2865	warn "begin emergency player save\n";	3723	warn "emergency_perl_save: begin player save\n";
2866	for my $login (keys %cf::PLAYER) {	3724	for my $login (keys %cf::PLAYER) {
2867	my $pl = $cf::PLAYER{$login} or next;	3725	my $pl = $cf::PLAYER{$login} or next;
2868	$pl->valid or next;	3726	$pl->valid or next;
		3727	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2869	$pl->save;	3728	$pl->save;
2870	}	3729	}
2871	warn "end emergency player save\n";	3730	warn "emergency_perl_save: end player save\n";
2872		3731
2873	warn "begin emergency map save\n";	3732	warn "emergency_perl_save: begin map save\n";
2874	for my $path (keys %cf::MAP) {	3733	for my $path (keys %cf::MAP) {
2875	my $map = $cf::MAP{$path} or next;	3734	my $map = $cf::MAP{$path} or next;
2876	$map->valid or next;	3735	$map->valid or next;
2877	$map->save;	3736	$map->save;
2878	}	3737	}
2879	warn "end emergency map save\n";	3738	warn "emergency_perl_save: end map save\n";
2880		3739
2881	warn "begin emergency database checkpoint\n";	3740	warn "emergency_perl_save: begin database checkpoint\n";
2882	BDB::db_env_txn_checkpoint $DB_ENV;	3741	BDB::db_env_txn_checkpoint $DB_ENV;
2883	warn "end emergency database checkpoint\n";	3742	warn "emergency_perl_save: end database checkpoint\n";
		3743
		3744	warn "emergency_perl_save: begin write uuid\n";
		3745	write_uuid_sync 1;
		3746	warn "emergency_perl_save: end write uuid\n";
2884	};	3747	};
2885		3748
		3749	warn "emergency_perl_save: starting sync()\n";
		3750	IO::AIO::aio_sync sub {
		3751	warn "emergency_perl_save: finished sync()\n";
		3752	};
		3753
2886	warn "leave emergency perl save\n";	3754	warn "emergency_perl_save: leave\n";
2887	}	3755	}
2888		3756
2889	sub post_cleanup {	3757	sub post_cleanup {
2890	my ($make_core) = @_;	3758	my ($make_core) = @_;
2891		3759
2892	warn Carp::longmess "post_cleanup backtrace"	3760	warn Carp::longmess "post_cleanup backtrace"
2893	if $make_core;	3761	if $make_core;
		3762
		3763	my $fh = pidfile;
		3764	unlink $PIDFILE if <$fh> == $$;
		3765	}
		3766
		3767	# a safer delete_package, copied from Symbol
		3768	sub clear_package($) {
		3769	my $pkg = shift;
		3770
		3771	# expand to full symbol table name if needed
		3772	unless ($pkg =~ /^main::.*::$/) {
		3773	$pkg = "main$pkg" if $pkg =~ /^::/;
		3774	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3775	$pkg .= '::' unless $pkg =~ /::$/;
		3776	}
		3777
		3778	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3779	my $stem_symtab = *{$stem}{HASH};
		3780
		3781	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3782	or return;
		3783
		3784	# clear all symbols
		3785	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3786	for my $name (keys %$leaf_symtab) {
		3787	_gv_clear *{"$pkg$name"};
		3788	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3789	}
		3790	warn "cleared package $pkg\n";#d#
2894	}	3791	}
2895		3792
2896	sub do_reload_perl() {	3793	sub do_reload_perl() {
2897	# can/must only be called in main	3794	# can/must only be called in main
2898	if ($Coro::current != $Coro::main) {	3795	if ($Coro::current != $Coro::main) {
2899	warn "can only reload from main coroutine";	3796	warn "can only reload from main coroutine";
2900	return;	3797	return;
2901	}	3798	}
2902		3799
		3800	return if $RELOAD++;
		3801
		3802	my $t1 = AE::time;
		3803
		3804	while ($RELOAD) {
2903	warn "reloading...";	3805	warn "reloading...";
2904		3806
2905	warn "entering sync_job";	3807	warn "entering sync_job";
2906		3808
2907	cf::sync_job {	3809	cf::sync_job {
2908	cf::write_runtime; # external watchdog should not bark	3810	cf::write_runtime_sync; # external watchdog should not bark
2909	cf::emergency_save;	3811	cf::emergency_save;
2910	cf::write_runtime; # external watchdog should not bark	3812	cf::write_runtime_sync; # external watchdog should not bark
2911		3813
2912	warn "syncing database to disk";	3814	warn "syncing database to disk";
2913	BDB::db_env_txn_checkpoint $DB_ENV;	3815	BDB::db_env_txn_checkpoint $DB_ENV;
2914		3816
2915	# if anything goes wrong in here, we should simply crash as we already saved	3817	# if anything goes wrong in here, we should simply crash as we already saved
2916		3818
2917	warn "cancelling all WF_AUTOCANCEL watchers";
2918	for (Event::all_watchers) {
2919	$_->cancel if $_->data & WF_AUTOCANCEL;
2920	}
2921
2922	warn "flushing outstanding aio requests";	3819	warn "flushing outstanding aio requests";
2923	for (;;) {
2924	BDB::flush;
2925	IO::AIO::flush;
2926	Coro::cede;
2927	last unless IO::AIO::nreqs || BDB::nreqs;	3820	while (IO::AIO::nreqs || BDB::nreqs) {
2928	warn "iterate...";	3821	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2929	}
2930
2931	++$RELOAD;
2932
2933	warn "cancelling all extension coros";
2934	$_->cancel for values %EXT_CORO;
2935	%EXT_CORO = ();
2936
2937	warn "removing commands";
2938	%COMMAND = ();
2939
2940	warn "removing ext/exti commands";
2941	%EXTCMD = ();
2942	%EXTICMD = ();
2943
2944	warn "unloading/nuking all extensions";
2945	for my $pkg (@EXTS) {
2946	warn "... unloading $pkg";
2947
2948	if (my $cb = $pkg->can ("unload")) {
2949	eval {
2950	$cb->($pkg);
2951	1
2952	} or warn "$pkg unloaded, but with errors: $@";
2953	}	3822	}
2954		3823
2955	warn "... nuking $pkg";	3824	warn "cancelling all extension coros";
2956	Symbol::delete_package $pkg;	3825	$_->cancel for values %EXT_CORO;
2957	}	3826	%EXT_CORO = ();
2958		3827
2959	warn "unloading all perl modules loaded from $LIBDIR";	3828	warn "removing commands";
2960	while (my ($k, $v) = each %INC) {	3829	%COMMAND = ();
2961	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2962		3830
		3831	warn "removing ext/exti commands";
		3832	%EXTCMD = ();
		3833	%EXTICMD = ();
		3834
		3835	warn "unloading/nuking all extensions";
		3836	for my $pkg (@EXTS) {
2963	warn "... unloading $k";	3837	warn "... unloading $pkg";
2964	delete $INC{$k};
2965		3838
2966	$k =~ s/\.pm$//;
2967	$k =~ s/\//::/g;
2968
2969	if (my $cb = $k->can ("unload_module")) {	3839	if (my $cb = $pkg->can ("unload")) {
		3840	eval {
2970	$cb->();	3841	$cb->($pkg);
		3842	1
		3843	} or warn "$pkg unloaded, but with errors: $@";
		3844	}
		3845
		3846	warn "... clearing $pkg";
		3847	clear_package $pkg;
2971	}	3848	}
2972		3849
2973	Symbol::delete_package $k;	3850	warn "unloading all perl modules loaded from $LIBDIR";
		3851	while (my ($k, $v) = each %INC) {
		3852	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3853
		3854	warn "... unloading $k";
		3855	delete $INC{$k};
		3856
		3857	$k =~ s/\.pm$//;
		3858	$k =~ s/\//::/g;
		3859
		3860	if (my $cb = $k->can ("unload_module")) {
		3861	$cb->();
		3862	}
		3863
		3864	clear_package $k;
2974	}	3865	}
2975		3866
2976	warn "getting rid of safe::, as good as possible";	3867	warn "getting rid of safe::, as good as possible";
2977	Symbol::delete_package "safe::$_"	3868	clear_package "safe::$_"
2978	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3869	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2979		3870
2980	warn "unloading cf.pm \"a bit\"";	3871	warn "unloading cf.pm \"a bit\"";
2981	delete $INC{"cf.pm"};	3872	delete $INC{"cf.pm"};
2982	delete $INC{"cf/pod.pm"};	3873	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2983		3874
2984	# don't, removes xs symbols, too,	3875	# don't, removes xs symbols, too,
2985	# and global variables created in xs	3876	# and global variables created in xs
2986	#Symbol::delete_package __PACKAGE__;	3877	#clear_package __PACKAGE__;
2987		3878
2988	warn "unload completed, starting to reload now";	3879	warn "unload completed, starting to reload now";
2989		3880
2990	warn "reloading cf.pm";	3881	warn "reloading cf.pm";
2991	require cf;	3882	require cf;
2992	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3883	cf::_connect_to_perl_1;
2993		3884
2994	warn "loading config and database again";	3885	warn "loading config and database again";
2995	cf::cfg_load;	3886	cf::reload_config;
2996		3887
2997	warn "loading extensions";	3888	warn "loading extensions";
2998	cf::load_extensions;	3889	cf::load_extensions;
2999		3890
		3891	if ($REATTACH_ON_RELOAD) {
3000	warn "reattaching attachments to objects/players";	3892	warn "reattaching attachments to objects/players";
3001	_global_reattach; # objects, sockets	3893	_global_reattach; # objects, sockets
3002	warn "reattaching attachments to maps";	3894	warn "reattaching attachments to maps";
3003	reattach $_ for values %MAP;	3895	reattach $_ for values %MAP;
3004	warn "reattaching attachments to players";	3896	warn "reattaching attachments to players";
3005	reattach $_ for values %PLAYER;	3897	reattach $_ for values %PLAYER;
		3898	}
3006		3899
		3900	warn "running post_init jobs";
		3901	(pop @POST_INIT)->(1) while @POST_INIT;
		3902
3007	warn "leaving sync_job";	3903	warn "leaving sync_job";
3008		3904
3009	1	3905	1
3010	} or do {	3906	} or do {
3011	warn $@;	3907	warn $@;
3012	warn "error while reloading, exiting.";	3908	cf::cleanup "error while reloading, exiting.";
3013	exit 1;
3014	};	3909	};
3015		3910
3016	warn "reloaded";	3911	warn "reloaded";
		3912	--$RELOAD;
		3913	}
		3914
		3915	$t1 = AE::time - $t1;
		3916	warn "reload completed in ${t1}s\n";
3017	};	3917	};
3018		3918
3019	our $RELOAD_WATCHER; # used only during reload	3919	our $RELOAD_WATCHER; # used only during reload
3020		3920
3021	sub reload_perl() {	3921	sub reload_perl() {
3022	# doing reload synchronously and two reloads happen back-to-back,	3922	# doing reload synchronously and two reloads happen back-to-back,
3023	# coro crashes during coro_state_free->destroy here.	3923	# coro crashes during coro_state_free->destroy here.
3024		3924
3025	$RELOAD_WATCHER ||= Event->timer (	3925	$RELOAD_WATCHER ||= cf::async {
3026	reentrant => 0,	3926	Coro::AIO::aio_wait cache_extensions;
3027	after => 0,	3927
3028	data => WF_AUTOCANCEL,	3928	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3029	cb => sub {
3030	do_reload_perl;	3929	do_reload_perl;
3031	undef $RELOAD_WATCHER;	3930	undef $RELOAD_WATCHER;
3032	},	3931	};
3033	);	3932	};
3034	}	3933	}
3035		3934
3036	register_command "reload" => sub {	3935	register_command "reload" => sub {
3037	my ($who, $arg) = @_;	3936	my ($who, $arg) = @_;
3038		3937
3039	if ($who->flag (FLAG_WIZ)) {	3938	if ($who->flag (FLAG_WIZ)) {
3040	$who->message ("reloading server.");	3939	$who->message ("reloading server.");
		3940	async {
		3941	$Coro::current->{desc} = "perl_reload";
3041	async { reload_perl };	3942	reload_perl;
		3943	};
3042	}	3944	}
3043	};	3945	};
3044		3946
3045	unshift @INC, $LIBDIR;	3947	unshift @INC, $LIBDIR;
3046		3948
…		…
3048		3950
3049	our @WAIT_FOR_TICK;	3951	our @WAIT_FOR_TICK;
3050	our @WAIT_FOR_TICK_BEGIN;	3952	our @WAIT_FOR_TICK_BEGIN;
3051		3953
3052	sub wait_for_tick {	3954	sub wait_for_tick {
3053	return unless $TICK_WATCHER->is_active;
3054	return if $Coro::current == $Coro::main;	3955	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3055		3956
3056	my $signal = new Coro::Signal;	3957	my $signal = new Coro::Signal;
3057	push @WAIT_FOR_TICK, $signal;	3958	push @WAIT_FOR_TICK, $signal;
3058	$signal->wait;	3959	$signal->wait;
3059	}	3960	}
3060		3961
3061	sub wait_for_tick_begin {	3962	sub wait_for_tick_begin {
3062	return unless $TICK_WATCHER->is_active;
3063	return if $Coro::current == $Coro::main;	3963	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3064		3964
3065	my $signal = new Coro::Signal;	3965	my $signal = new Coro::Signal;
3066	push @WAIT_FOR_TICK_BEGIN, $signal;	3966	push @WAIT_FOR_TICK_BEGIN, $signal;
3067	$signal->wait;	3967	$signal->wait;
3068	}	3968	}
3069		3969
3070	my $min = 1e6;#d#	3970	sub tick {
3071	my $avg = 10;
3072	$TICK_WATCHER = Event->timer (
3073	reentrant => 0,
3074	parked => 1,
3075	prio => 0,
3076	at => $NEXT_TICK || $TICK,
3077	data => WF_AUTOCANCEL,
3078	cb => sub {
3079	if ($Coro::current != $Coro::main) {	3971	if ($Coro::current != $Coro::main) {
3080	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3972	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3081	unless ++$bug_warning > 10;	3973	unless ++$bug_warning > 10;
3082	return;	3974	return;
3083	}	3975	}
3084		3976
3085	$NOW = $tick_start = Event::time;
3086
3087	cf::server_tick; # one server iteration	3977	cf::server_tick; # one server iteration
3088		3978
3089	0 && sync_job {#d#	3979	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3090	for(1..10) {
3091	my $t = Event::time;
3092	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3093	or die;
3094		3980
3095	$map->width (50);	3981	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3096	$map->height (50);	3982	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3097	$map->alloc;	3983	Coro::async_pool {
3098	$map->_load_objects ("/tmp/x.map", 1);	3984	$Coro::current->{desc} = "runtime saver";
3099	my $t = Event::time - $t;	3985	write_runtime_sync
3100		3986	or warn "ERROR: unable to write runtime file: $!";
3101	#next unless $t < 0.0013;#d#
3102	if ($t < $min) {
3103	$min = $t;
3104	}
3105	$avg = $avg * 0.99 + $t * 0.01;
3106	}
3107	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3108	exit 0;
3109	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3110	};	3987	};
		3988	}
3111		3989
3112	$RUNTIME += $TICK;
3113	$NEXT_TICK += $TICK;
3114
3115	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3116	$NEXT_RUNTIME_WRITE = $NOW + 10;
3117	Coro::async_pool {
3118	write_runtime
3119	or warn "ERROR: unable to write runtime file: $!";
3120	};
3121	}
3122
3123	# my $AFTER = Event::time;
3124	# warn $AFTER - $NOW;#d#
3125
3126	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3990	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3127	$sig->send;	3991	$sig->send;
3128	}	3992	}
3129	while (my $sig = shift @WAIT_FOR_TICK) {	3993	while (my $sig = shift @WAIT_FOR_TICK) {
3130	$sig->send;	3994	$sig->send;
3131	}	3995	}
3132		3996
3133	$NOW = Event::time;	3997	$LOAD = ($NOW - $TICK_START) / $TICK;
3134
3135	# if we are delayed by four ticks or more, skip them all
3136	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3137
3138	$TICK_WATCHER->at ($NEXT_TICK);
3139	$TICK_WATCHER->start;
3140
3141	$LOAD = ($NOW - $tick_start) / $TICK;
3142	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3998	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3143		3999
3144	_post_tick;	4000	if (0) {
3145		4001	if ($NEXT_TICK) {
3146		4002	my $jitter = $TICK_START - $NEXT_TICK;
		4003	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4004	warn "jitter $JITTER\n";#d#
		4005	}
3147	},	4006	}
3148	);	4007	}
3149		4008
3150	{	4009	{
3151	BDB::max_poll_time $TICK * 0.1;	4010	# configure BDB
3152	$BDB_POLL_WATCHER = Event->io (	4011
3153	reentrant => 0,
3154	fd => BDB::poll_fileno,
3155	poll => 'r',
3156	prio => 0,
3157	data => WF_AUTOCANCEL,
3158	cb => \&BDB::poll_cb,
3159	);
3160	BDB::min_parallel 8;	4012	BDB::min_parallel 16;
3161		4013	BDB::max_poll_reqs $TICK * 0.1;
3162	BDB::set_sync_prepare {	4014	$AnyEvent::BDB::WATCHER->priority (1);
3163	my $status;
3164	my $current = $Coro::current;
3165	(
3166	sub {
3167	$status = $!;
3168	$current->ready; undef $current;
3169	},
3170	sub {
3171	Coro::schedule while defined $current;
3172	$! = $status;
3173	},
3174	)
3175	};
3176		4015
3177	unless ($DB_ENV) {	4016	unless ($DB_ENV) {
3178	$DB_ENV = BDB::db_env_create;	4017	$DB_ENV = BDB::db_env_create;
		4018	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4019	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4020	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4021	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4022	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3179		4023
3180	cf::sync_job {	4024	cf::sync_job {
3181	eval {	4025	eval {
3182	BDB::db_env_open	4026	BDB::db_env_open
3183	$DB_ENV,	4027	$DB_ENV,
…		…
3185	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4029	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3186	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4030	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3187	0666;	4031	0666;
3188		4032
3189	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4033	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3190
3191	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3192	$DB_ENV->set_lk_detect;
3193	};	4034	};
3194		4035
3195	cf::cleanup "db_env_open(db): $@" if $@;	4036	cf::cleanup "db_env_open(db): $@" if $@;
3196	};	4037	};
3197	}	4038	}
		4039
		4040	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4041	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4042	};
		4043	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4044	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4045	};
		4046	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4047	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4048	};
3198	}	4049	}
3199		4050
3200	{	4051	{
		4052	# configure IO::AIO
		4053
3201	IO::AIO::min_parallel 8;	4054	IO::AIO::min_parallel 8;
3202
3203	undef $Coro::AIO::WATCHER;
3204	IO::AIO::max_poll_time $TICK * 0.1;	4055	IO::AIO::max_poll_time $TICK * 0.1;
3205	$AIO_POLL_WATCHER = Event->io (	4056	undef $AnyEvent::AIO::WATCHER;
3206	reentrant => 0,
3207	data => WF_AUTOCANCEL,
3208	fd => IO::AIO::poll_fileno,
3209	poll => 'r',
3210	prio => 6,
3211	cb => \&IO::AIO::poll_cb,
3212	);
3213	}	4057	}
3214		4058
3215	my $_log_backtrace;	4059	my $_log_backtrace;
3216		4060
3217	sub _log_backtrace {	4061	sub _log_backtrace {
…		…
3220	$msg =~ s/\n//;	4064	$msg =~ s/\n//;
3221		4065
3222	# limit the # of concurrent backtraces	4066	# limit the # of concurrent backtraces
3223	if ($_log_backtrace < 2) {	4067	if ($_log_backtrace < 2) {
3224	++$_log_backtrace;	4068	++$_log_backtrace;
		4069	my $perl_bt = Carp::longmess $msg;
3225	async {	4070	async {
		4071	$Coro::current->{desc} = "abt $msg";
		4072
3226	my @bt = fork_call {	4073	my @bt = fork_call {
3227	@addr = map { sprintf "%x", $_ } @addr;	4074	@addr = map { sprintf "%x", $_ } @addr;
3228	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4075	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3229	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4076	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3230	or die "addr2line: $!";	4077	or die "addr2line: $!";
…		…
3238	}	4085	}
3239		4086
3240	@funcs	4087	@funcs
3241	};	4088	};
3242		4089
3243	LOG llevInfo, "[ABT] $msg\n";	4090	LOG llevInfo, "[ABT] $perl_bt\n";
		4091	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3244	LOG llevInfo, "[ABT] $_\n" for @bt;	4092	LOG llevInfo, "[ABT] $_\n" for @bt;
3245	--$_log_backtrace;	4093	--$_log_backtrace;
3246	};	4094	};
3247	} else {	4095	} else {
3248	LOG llevInfo, "[ABT] $msg\n";	4096	LOG llevInfo, "[ABT] $msg\n";
3249	LOG llevInfo, "[ABT] [suppressed]\n";	4097	LOG llevInfo, "[ABT] [suppressed]\n";
3250	}	4098	}
3251	}	4099	}
3252		4100
3253	# load additional modules	4101	# load additional modules
3254	use cf::pod;	4102	require "cf/$_.pm" for @EXTRA_MODULES;
		4103	cf::_connect_to_perl_2;
3255		4104
3256	END { cf::emergency_save }	4105	END { cf::emergency_save }
3257		4106
3258	1	4107	1
3259		4108

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