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Revision 1.306 by root, Sat Jul 14 14:33:30 2007 UTC vs.
Revision 1.528 by root, Fri Apr 23 04:42:12 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Socket;	31	use Socket;
9	use Storable;	32	use EV;
10	use Event;
11	use Opcode;	33	use Opcode;
12	use Safe;	34	use Safe;
13	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
14		38
		39	use Guard ();
15	use Coro 3.61 ();	40	use Coro ();
16	use Coro::State;	41	use Coro::State;
17	use Coro::Handle;	42	use Coro::Handle;
		43	use Coro::EV;
18	use Coro::Event;	44	use Coro::AnyEvent;
19	use Coro::Timer;	45	use Coro::Timer;
20	use Coro::Signal;	46	use Coro::Signal;
21	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
22	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
23	use Coro::Storable;	52	use Coro::Storable;
		53	use Coro::Util ();
24		54
25	use JSON::XS 1.4 ();	55	use JSON::XS 2.01 ();
26	use BDB ();	56	use BDB ();
27	use Data::Dumper;	57	use Data::Dumper;
28	use Digest::MD5;
29	use Fcntl;	58	use Fcntl;
30	use YAML::Syck ();	59	use YAML::XS ();
31	use IO::AIO 2.32 ();	60	use IO::AIO ();
32	use Time::HiRes;	61	use Time::HiRes;
33	use Compress::LZF;	62	use Compress::LZF;
34	use Digest::MD5 ();	63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
35		66
36	# configure various modules to our taste	67	# configure various modules to our taste
37	#	68	#
38	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
41		77
42	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
43		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
45	$YAML::Syck::ImplicitUnicode = 1;
46
47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
48		80
49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
50		82
51	our %COMMAND = ();	83	our %COMMAND = ();
52	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
…		…
55	our %EXTCMD = ();	87	our %EXTCMD = ();
56	our %EXTICMD = ();	88	our %EXTICMD = ();
57	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
58	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
59		91
60	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
61	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
62		96
63	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
64	our $DATADIR = datadir;	98	our $DATADIR = datadir;
65	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
66	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
67	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
68	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
73	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE;
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
74		118
75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
76	our $TICK_WATCHER;
77	our $AIO_POLL_WATCHER;
78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79	our $NEXT_TICK;	121	our $NEXT_TICK;
80	our $NOW;
81	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
82		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
83	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
84	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript);
85		130
86	our %CFG;	131	our %CFG;
87		132
88	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
90		136
91	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
92	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
93	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
94		140
95	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97		143
98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
99	our $LOADAVG; # same thing, but with alpha-smoothing	145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
100	our $tick_start; # for load detecting purposes	147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
101		153
102	binmode STDOUT;	154	binmode STDOUT;
103	binmode STDERR;	155	binmode STDERR;
104		156
105	# read virtual server time, if available	157	# read virtual server time, if available
106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
107	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
108	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
109	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
110	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
111		165
112	mkdir $_	166	mkdir $_
113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
114		168
115	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
116		170
117	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
118		187
119	#############################################################################	188	#############################################################################
120		189
121	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
122		191
…		…
158		227
159	The raw value load value from the last tick.	228	The raw value load value from the last tick.
160		229
161	=item %cf::CFG	230	=item %cf::CFG
162		231
163	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164	from wherever your confdir points to.	233	from wherever your confdir points to.
165		234
166	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
167		236
168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
169	returns directly I<after> the tick processing (and consequently, can only wake one process	238	returns directly I<after> the tick processing (and consequently, can only wake one process
170	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
171		240
		241	=item @cf::INVOKE_RESULTS
		242
		243	This array contains the results of the last C<invoke ()> call. When
		244	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		245	that call.
		246
		247	=item %cf::REFLECT
		248
		249	Contains, for each (C++) class name, a hash reference with information
		250	about object members (methods, scalars, arrays and flags) and other
		251	metadata, which is useful for introspection.
		252
172	=back	253	=back
173		254
174	=cut	255	=cut
175		256
176	BEGIN {	257	$Coro::State::WARNHOOK = sub {
177	*CORE::GLOBAL::warn = sub {
178	my $msg = join "", @_;	258	my $msg = join "", @_;
179		259
180	$msg .= "\n"	260	$msg .= "\n"
181	unless $msg =~ /\n$/;	261	unless $msg =~ /\n$/;
182		262
183	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	263	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
184		264
185	utf8::encode $msg;
186	LOG llevError, $msg;	265	LOG llevError, $msg;
187	};	266	};
188	}	267
		268	$Coro::State::DIEHOOK = sub {
		269	return unless $^S eq 0; # "eq", not "=="
		270
		271	warn Carp::longmess $_[0];
		272
		273	if (in_main) {#d#
		274	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		275	return;#d#
		276	}#d#
		277
		278	# kill coroutine otherwise
		279	Coro::terminate
		280	};
189		281
190	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	282	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
191	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	283	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
192	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	284	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
193	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	285	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
200	for my $pkg (qw(	292	for my $pkg (qw(
201	cf::global cf::attachable	293	cf::global cf::attachable
202	cf::object cf::object::player	294	cf::object cf::object::player
203	cf::client cf::player	295	cf::client cf::player
204	cf::arch cf::living	296	cf::arch cf::living
		297	cf::map cf::mapspace
205	cf::map cf::party cf::region	298	cf::party cf::region
206	)) {	299	)) {
207	no strict 'refs';
208	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	300	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
209	}	301	}
210		302
211	$Event::DIED = sub {	303	$EV::DIED = sub {
212	warn "error in event callback: @_";	304	Carp::cluck "error in event callback: @_";
213	};	305	};
214		306
215	#############################################################################	307	#############################################################################
216		308
217	=head2 UTILITY FUNCTIONS	309	=head2 UTILITY FUNCTIONS
…		…
239	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	331	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
240	$d	332	$d
241	} || "[unable to dump $_[0]: '$@']";	333	} || "[unable to dump $_[0]: '$@']";
242	}	334	}
243		335
244	=item $ref = cf::from_json $json	336	=item $ref = cf::decode_json $json
245		337
246	Converts a JSON string into the corresponding perl data structure.	338	Converts a JSON string into the corresponding perl data structure.
247		339
248	=item $json = cf::to_json $ref	340	=item $json = cf::encode_json $ref
249		341
250	Converts a perl data structure into its JSON representation.	342	Converts a perl data structure into its JSON representation.
251		343
252	=cut	344	=cut
253		345
254	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	346	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
255		347
256	sub to_json ($) { $json_coder->encode ($_[0]) }	348	sub encode_json($) { $json_coder->encode ($_[0]) }
257	sub from_json ($) { $json_coder->decode ($_[0]) }	349	sub decode_json($) { $json_coder->decode ($_[0]) }
		350
		351	=item cf::post_init { BLOCK }
		352
		353	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		354	but I<before> the server starts ticking again.
		355
		356	The cdoeblock will have a single boolean argument to indicate whether this
		357	is a reload or not.
		358
		359	=cut
		360
		361	sub post_init(&) {
		362	push @POST_INIT, shift;
		363	}
258		364
259	=item cf::lock_wait $string	365	=item cf::lock_wait $string
260		366
261	Wait until the given lock is available. See cf::lock_acquire.	367	Wait until the given lock is available. See cf::lock_acquire.
262		368
263	=item my $lock = cf::lock_acquire $string	369	=item my $lock = cf::lock_acquire $string
264		370
265	Wait until the given lock is available and then acquires it and returns	371	Wait until the given lock is available and then acquires it and returns
266	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	372	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
267	for example when the coroutine gets canceled), the lock is automatically	373	for example when the coroutine gets canceled), the lock is automatically
268	returned.	374	returned.
269		375
		376	Locks are *not* recursive, locking from the same coro twice results in a
		377	deadlocked coro.
		378
270	Lock names should begin with a unique identifier (for example, cf::map::find	379	Lock names should begin with a unique identifier (for example, cf::map::find
271	uses map_find and cf::map::load uses map_load).	380	uses map_find and cf::map::load uses map_load).
272		381
273	=item $locked = cf::lock_active $string	382	=item $locked = cf::lock_active $string
274		383
275	Return true if the lock is currently active, i.e. somebody has locked it.	384	Return true if the lock is currently active, i.e. somebody has locked it.
276		385
277	=cut	386	=cut
278		387
279	our %LOCK;	388	our $LOCKS = new Coro::SemaphoreSet;
280		389
281	sub lock_wait($) {	390	sub lock_wait($) {
282	my ($key) = @_;	391	$LOCKS->wait ($_[0]);
283
284	# wait for lock, if any
285	while ($LOCK{$key}) {
286	push @{ $LOCK{$key} }, $Coro::current;
287	Coro::schedule;
288	}
289	}	392	}
290		393
291	sub lock_acquire($) {	394	sub lock_acquire($) {
292	my ($key) = @_;	395	$LOCKS->guard ($_[0])
293
294	# wait, to be sure we are not locked
295	lock_wait $key;
296
297	$LOCK{$key} = [];
298
299	Coro::guard {
300	# wake up all waiters, to be on the safe side
301	$_->ready for @{ delete $LOCK{$key} };
302	}
303	}	396	}
304		397
305	sub lock_active($) {	398	sub lock_active($) {
306	my ($key) = @_;	399	$LOCKS->count ($_[0]) < 1
307
308	! ! $LOCK{$key}
309	}	400	}
310		401
311	sub freeze_mainloop {	402	sub freeze_mainloop {
312	return unless $TICK_WATCHER->is_active;	403	tick_inhibit_inc;
313		404
314	my $guard = Coro::guard {	405	&Guard::guard (\&tick_inhibit_dec);
315	$TICK_WATCHER->start;	406	}
		407
		408	=item cf::periodic $interval, $cb
		409
		410	Like EV::periodic, but randomly selects a starting point so that the actions
		411	get spread over time.
		412
		413	=cut
		414
		415	sub periodic($$) {
		416	my ($interval, $cb) = @_;
		417
		418	my $start = rand List::Util::min 180, $interval;
		419
		420	EV::periodic $start, $interval, 0, $cb
		421	}
		422
		423	=item cf::get_slot $time[, $priority[, $name]]
		424
		425	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		426	This call blocks and returns only when you have at least C<$time> seconds
		427	of cpu time till the next tick. The slot is only valid till the next cede.
		428
		429	The optional C<$name> can be used to identify the job to run. It might be
		430	used for statistical purposes and should identify the same time-class.
		431
		432	Useful for short background jobs.
		433
		434	=cut
		435
		436	our @SLOT_QUEUE;
		437	our $SLOT_QUEUE;
		438	our $SLOT_DECAY = 0.9;
		439
		440	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		441	$SLOT_QUEUE = Coro::async {
		442	$Coro::current->desc ("timeslot manager");
		443
		444	my $signal = new Coro::Signal;
		445	my $busy;
		446
		447	while () {
		448	next_job:
		449
		450	my $avail = cf::till_tick;
		451
		452	for (0 .. $#SLOT_QUEUE) {
		453	if ($SLOT_QUEUE[$_][0] <= $avail) {
		454	$busy = 0;
		455	my $job = splice @SLOT_QUEUE, $_, 1, ();
		456	$job->[2]->send;
		457	Coro::cede;
		458	goto next_job;
		459	} else {
		460	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		461	}
		462	}
		463
		464	if (@SLOT_QUEUE) {
		465	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		466	push @cf::WAIT_FOR_TICK, $signal;
		467	$signal->wait;
		468	} else {
		469	$busy = 0;
		470	Coro::schedule;
		471	}
316	};	472	}
317	$TICK_WATCHER->stop;	473	};
318	$guard	474
		475	sub get_slot($;$$) {
		476	return if tick_inhibit || $Coro::current == $Coro::main;
		477
		478	my ($time, $pri, $name) = @_;
		479
		480	$time = clamp $time, 0.01, $TICK * .6;
		481
		482	my $sig = new Coro::Signal;
		483
		484	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		485	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		486	$SLOT_QUEUE->ready;
		487	$sig->wait;
319	}	488	}
320		489
321	=item cf::async { BLOCK }	490	=item cf::async { BLOCK }
322		491
323	Currently the same as Coro::async_pool, meaning you cannot use	492	Currently the same as Coro::async_pool, meaning you cannot use
…		…
328		497
329	BEGIN { *async = \&Coro::async_pool }	498	BEGIN { *async = \&Coro::async_pool }
330		499
331	=item cf::sync_job { BLOCK }	500	=item cf::sync_job { BLOCK }
332		501
333	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	502	The design of Deliantra requires that the main coroutine ($Coro::main)
334	is always able to handle events or runnable, as Crossfire TRT is only	503	is always able to handle events or runnable, as Deliantra is only
335	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	504	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
336	acceptable.	505	acceptable.
337		506
338	If it must be done, put the blocking parts into C<sync_job>. This will run	507	If it must be done, put the blocking parts into C<sync_job>. This will run
339	the given BLOCK in another coroutine while waiting for the result. The	508	the given BLOCK in another coroutine while waiting for the result. The
…		…
344		513
345	sub sync_job(&) {	514	sub sync_job(&) {
346	my ($job) = @_;	515	my ($job) = @_;
347		516
348	if ($Coro::current == $Coro::main) {	517	if ($Coro::current == $Coro::main) {
349	my $time = Event::time;	518	my $time = AE::time;
350		519
351	# this is the main coro, too bad, we have to block	520	# this is the main coro, too bad, we have to block
352	# till the operation succeeds, freezing the server :/	521	# till the operation succeeds, freezing the server :/
353		522
354	# TODO: use suspend/resume instead	523	LOG llevError, Carp::longmess "sync job";#d#
355	# (but this is cancel-safe)	524
356	my $freeze_guard = freeze_mainloop;	525	my $freeze_guard = freeze_mainloop;
357		526
358	my $busy = 1;	527	my $busy = 1;
359	my @res;	528	my @res;
360		529
361	(async {	530	(async {
		531	$Coro::current->desc ("sync job coro");
362	@res = eval { $job->() };	532	@res = eval { $job->() };
363	warn $@ if $@;	533	warn $@ if $@;
364	undef $busy;	534	undef $busy;
365	})->prio (Coro::PRIO_MAX);	535	})->prio (Coro::PRIO_MAX);
366		536
367	while ($busy) {	537	while ($busy) {
368	Coro::cede or Event::one_event;	538	if (Coro::nready) {
		539	Coro::cede_notself;
		540	} else {
		541	EV::loop EV::LOOP_ONESHOT;
369	}	542	}
		543	}
370		544
371	$time = Event::time - $time;	545	my $time = AE::time - $time;
372		546
373	LOG llevError | logBacktrace, Carp::longmess "long sync job"
374	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
375
376	$tick_start += $time; # do not account sync jobs to server load	547	$TICK_START += $time; # do not account sync jobs to server load
377		548
378	wantarray ? @res : $res[0]	549	wantarray ? @res : $res[0]
379	} else {	550	} else {
380	# we are in another coroutine, how wonderful, everything just works	551	# we are in another coroutine, how wonderful, everything just works
381		552
…		…
406	=item fork_call { }, $args	577	=item fork_call { }, $args
407		578
408	Executes the given code block with the given arguments in a seperate	579	Executes the given code block with the given arguments in a seperate
409	process, returning the results. Everything must be serialisable with	580	process, returning the results. Everything must be serialisable with
410	Coro::Storable. May, of course, block. Note that the executed sub may	581	Coro::Storable. May, of course, block. Note that the executed sub may
411	never block itself or use any form of Event handling.	582	never block itself or use any form of event handling.
412		583
413	=cut	584	=cut
414
415	sub _store_scalar {
416	open my $fh, ">", \my $buf
417	or die "fork_call: cannot open fh-to-buf in child : $!";
418	Storable::store_fd $_[0], $fh;
419	close $fh;
420
421	$buf
422	}
423		585
424	sub fork_call(&@) {	586	sub fork_call(&@) {
425	my ($cb, @args) = @_;	587	my ($cb, @args) = @_;
426		588
427	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	589	# we seemingly have to make a local copy of the whole thing,
428	# or die "socketpair: $!";	590	# otherwise perl prematurely frees the stuff :/
429	pipe my $fh1, my $fh2	591	# TODO: investigate and fix (likely this will be rather laborious)
430	or die "pipe: $!";
431		592
432	if (my $pid = fork) {	593	my @res = Coro::Util::fork_eval {
433	close $fh2;
434
435	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
436	warn "pst<$res>" unless $res =~ /^pst/;
437	$res = Coro::Storable::thaw $res;
438
439	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
440
441	Carp::confess $$res unless "ARRAY" eq ref $res;
442
443	return wantarray ? @$res : $res->[-1];
444	} else {
445	reset_signals;	594	reset_signals;
446	local $SIG{__WARN__};	595	&$cb
447	local $SIG{__DIE__};	596	}, @args;
448	# just in case, this hack effectively disables event
449	# in the child. cleaner and slower would be canceling all watchers,
450	# but this works for the time being.
451	local $Coro::idle;
452	$Coro::current->prio (Coro::PRIO_MAX);
453		597
454	eval {	598	wantarray ? @res : $res[-1]
455	close $fh1;	599	}
456		600
457	my @res = eval { $cb->(@args) };	601	sub objinfo {
458
459	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
460	close $fh2;
461	};
462
463	warn $@ if $@;
464	_exit 0;
465	}	602	(
		603	"counter value" => cf::object::object_count,
		604	"objects created" => cf::object::create_count,
		605	"objects destroyed" => cf::object::destroy_count,
		606	"freelist size" => cf::object::free_count,
		607	"allocated objects" => cf::object::objects_size,
		608	"active objects" => cf::object::actives_size,
		609	)
		610	}
		611
		612	=item $coin = coin_from_name $name
		613
		614	=cut
		615
		616	our %coin_alias = (
		617	"silver" => "silvercoin",
		618	"silvercoin" => "silvercoin",
		619	"silvercoins" => "silvercoin",
		620	"gold" => "goldcoin",
		621	"goldcoin" => "goldcoin",
		622	"goldcoins" => "goldcoin",
		623	"platinum" => "platinacoin",
		624	"platinumcoin" => "platinacoin",
		625	"platinumcoins" => "platinacoin",
		626	"platina" => "platinacoin",
		627	"platinacoin" => "platinacoin",
		628	"platinacoins" => "platinacoin",
		629	"royalty" => "royalty",
		630	"royalties" => "royalty",
		631	);
		632
		633	sub coin_from_name($) {
		634	$coin_alias{$_[0]}
		635	? cf::arch::find $coin_alias{$_[0]}
		636	: undef
466	}	637	}
467		638
468	=item $value = cf::db_get $family => $key	639	=item $value = cf::db_get $family => $key
469		640
470	Returns a single value from the environment database.	641	Returns a single value from the environment database.
…		…
472	=item cf::db_put $family => $key => $value	643	=item cf::db_put $family => $key => $value
473		644
474	Stores the given C<$value> in the family. It can currently store binary	645	Stores the given C<$value> in the family. It can currently store binary
475	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	646	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
476		647
		648	=item $db = cf::db_table "name"
		649
		650	Create and/or open a new database table. The string must not be "db" and must be unique
		651	within each server.
		652
477	=cut	653	=cut
		654
		655	sub db_table($) {
		656	my ($name) = @_;
		657	my $db = BDB::db_create $DB_ENV;
		658
		659	eval {
		660	$db->set_flags (BDB::CHKSUM);
		661
		662	utf8::encode $name;
		663	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		664	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		665	cf::cleanup "db_open(db): $!" if $!;
		666	};
		667	cf::cleanup "db_open(db): $@" if $@;
		668
		669	$db
		670	}
478		671
479	our $DB;	672	our $DB;
480		673
481	sub db_init {	674	sub db_init {
482	unless ($DB) {
483	$DB = BDB::db_create $DB_ENV;
484
485	cf::sync_job {	675	cf::sync_job {
486	eval {	676	$DB ||= db_table "db";
487	$DB->set_flags (BDB::CHKSUM);
488
489	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
490	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
491	cf::cleanup "db_open(db): $!" if $!;
492	};
493	cf::cleanup "db_open(db): $@" if $@;
494	};
495	}	677	};
496	}	678	}
497		679
498	sub db_get($$) {	680	sub db_get($$) {
499	my $key = "$_[0]/$_[1]";	681	my $key = "$_[0]/$_[1]";
500		682
…		…
550	if (1) {	732	if (1) {
551	$md5 =	733	$md5 =
552	join "\x00",	734	join "\x00",
553	$processversion,	735	$processversion,
554	map {	736	map {
555	Coro::cede;	737	cf::cede_to_tick;
556	($src->[$_], Digest::MD5::md5_hex $data[$_])	738	($src->[$_], Digest::MD5::md5_hex $data[$_])
557	} 0.. $#$src;	739	} 0.. $#$src;
558		740
559		741
560	my $dbmd5 = db_get cache => "$id/md5";	742	my $dbmd5 = db_get cache => "$id/md5";
…		…
598		780
599	#############################################################################	781	#############################################################################
600		782
601	=head2 ATTACHABLE OBJECTS	783	=head2 ATTACHABLE OBJECTS
602		784
603	Many objects in crossfire are so-called attachable objects. That means you can	785	Many objects in deliantra are so-called attachable objects. That means you can
604	attach callbacks/event handlers (a collection of which is called an "attachment")	786	attach callbacks/event handlers (a collection of which is called an "attachment")
605	to it. All such attachable objects support the following methods.	787	to it. All such attachable objects support the following methods.
606		788
607	In the following description, CLASS can be any of C<global>, C<object>	789	In the following description, CLASS can be any of C<global>, C<object>
608	C<player>, C<client> or C<map> (i.e. the attachable objects in	790	C<player>, C<client> or C<map> (i.e. the attachable objects in
609	Crossfire TRT).	791	Deliantra).
610		792
611	=over 4	793	=over 4
612		794
613	=item $attachable->attach ($attachment, key => $value...)	795	=item $attachable->attach ($attachment, key => $value...)
614		796
…		…
658	=item cf::CLASS::attachment $name, ...	840	=item cf::CLASS::attachment $name, ...
659		841
660	Register an attachment by C<$name> through which attachable objects of the	842	Register an attachment by C<$name> through which attachable objects of the
661	given CLASS can refer to this attachment.	843	given CLASS can refer to this attachment.
662		844
663	Some classes such as crossfire maps and objects can specify attachments	845	Some classes such as deliantra maps and objects can specify attachments
664	that are attached at load/instantiate time, thus the need for a name.	846	that are attached at load/instantiate time, thus the need for a name.
665		847
666	These calls expect any number of the following handler/hook descriptions:	848	These calls expect any number of the following handler/hook descriptions:
667		849
668	=over 4	850	=over 4
…		…
866	";	1048	";
867	die if $@;	1049	die if $@;
868	}	1050	}
869		1051
870	our $override;	1052	our $override;
871	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1053	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
872		1054
873	sub override {	1055	sub override {
874	$override = 1;	1056	$override = 1;
875	@invoke_results = ();	1057	@INVOKE_RESULTS = (@_);
876	}	1058	}
877		1059
878	sub do_invoke {	1060	sub do_invoke {
879	my $event = shift;	1061	my $event = shift;
880	my $callbacks = shift;	1062	my $callbacks = shift;
881		1063
882	@invoke_results = ();	1064	@INVOKE_RESULTS = ();
883		1065
884	local $override;	1066	local $override;
885		1067
886	for (@$callbacks) {	1068	for (@$callbacks) {
887	eval { &{$_->[1]} };	1069	eval { &{$_->[1]} };
…		…
896	}	1078	}
897		1079
898	0	1080	0
899	}	1081	}
900		1082
901	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1083	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
902		1084
903	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1085	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
904		1086
905	Generate an object-specific event with the given arguments.	1087	Generate an object-specific event with the given arguments.
906		1088
907	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1089	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
908	removed in future versions), and there is no public API to access override	1090	removed in future versions), and there is no public API to access override
909	results (if you must, access C<@cf::invoke_results> directly).	1091	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
910		1092
911	=back	1093	=back
912		1094
913	=cut	1095	=cut
914		1096
915	#############################################################################	1097	#############################################################################
916	# object support	1098	# object support
		1099
		1100	sub _object_equal($$);
		1101	sub _object_equal($$) {
		1102	my ($a, $b) = @_;
		1103
		1104	return 0 unless (ref $a) eq (ref $b);
		1105
		1106	if ("HASH" eq ref $a) {
		1107	my @ka = keys %$a;
		1108	my @kb = keys %$b;
		1109
		1110	return 0 if @ka != @kb;
		1111
		1112	for (0 .. $#ka) {
		1113	return 0 unless $ka[$_] eq $kb[$_];
		1114	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1115	}
		1116
		1117	} elsif ("ARRAY" eq ref $a) {
		1118
		1119	return 0 if @$a != @$b;
		1120
		1121	for (0 .. $#$a) {
		1122	return 0 unless _object_equal $a->[$_], $b->[$_];
		1123	}
		1124
		1125	} elsif ($a ne $b) {
		1126	return 0;
		1127	}
		1128
		1129	1
		1130	}
		1131
		1132	our $SLOW_MERGES;#d#
		1133	sub _can_merge {
		1134	my ($ob1, $ob2) = @_;
		1135
		1136	++$SLOW_MERGES;#d#
		1137
		1138	# we do the slow way here
		1139	return _object_equal $ob1, $ob2
		1140	}
917		1141
918	sub reattach {	1142	sub reattach {
919	# basically do the same as instantiate, without calling instantiate	1143	# basically do the same as instantiate, without calling instantiate
920	my ($obj) = @_;	1144	my ($obj) = @_;
921		1145
		1146	# no longer needed after getting rid of delete_package?
922	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1147	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
923		1148
924	my $registry = $obj->registry;	1149	my $registry = $obj->registry;
925		1150
926	@$registry = ();	1151	@$registry = ();
927		1152
…		…
942	cf::attachable->attach (	1167	cf::attachable->attach (
943	prio => -1000000,	1168	prio => -1000000,
944	on_instantiate => sub {	1169	on_instantiate => sub {
945	my ($obj, $data) = @_;	1170	my ($obj, $data) = @_;
946		1171
947	$data = from_json $data;	1172	$data = decode_json $data;
948		1173
949	for (@$data) {	1174	for (@$data) {
950	my ($name, $args) = @$_;	1175	my ($name, $args) = @$_;
951		1176
952	$obj->attach ($name, %{$args || {} });	1177	$obj->attach ($name, %{$args || {} });
…		…
968	sub object_freezer_save {	1193	sub object_freezer_save {
969	my ($filename, $rdata, $objs) = @_;	1194	my ($filename, $rdata, $objs) = @_;
970		1195
971	sync_job {	1196	sync_job {
972	if (length $$rdata) {	1197	if (length $$rdata) {
		1198	utf8::decode (my $decname = $filename);
973	warn sprintf "saving %s (%d,%d)\n",	1199	warn sprintf "saving %s (%d,%d)\n",
974	$filename, length $$rdata, scalar @$objs;	1200	$decname, length $$rdata, scalar @$objs
		1201	if $VERBOSE_IO;
975		1202
976	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1203	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
977	chmod SAVE_MODE, $fh;	1204	aio_chmod $fh, SAVE_MODE;
978	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1205	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
979	aio_fsync $fh if $cf::USE_FSYNC;	1206	if ($cf::USE_FSYNC) {
		1207	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;
		1208	aio_fsync $fh;
		1209	}
980	close $fh;	1210	aio_close $fh;
981		1211
982	if (@$objs) {	1212	if (@$objs) {
983	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1213	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
984	chmod SAVE_MODE, $fh;	1214	aio_chmod $fh, SAVE_MODE;
985	my $data = Storable::nfreeze { version => 1, objs => $objs };	1215	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
986	aio_write $fh, 0, (length $data), $data, 0;	1216	aio_write $fh, 0, (length $data), $data, 0;
987	aio_fsync $fh if $cf::USE_FSYNC;	1217	if ($cf::USE_FSYNC) {
		1218	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;
		1219	aio_fsync $fh;
		1220	}
988	close $fh;	1221	aio_close $fh;
989	aio_rename "$filename.pst~", "$filename.pst";	1222	aio_rename "$filename.pst~", "$filename.pst";
990	}	1223	}
991	} else {	1224	} else {
992	aio_unlink "$filename.pst";	1225	aio_unlink "$filename.pst";
993	}	1226	}
994		1227
995	aio_rename "$filename~", $filename;	1228	aio_rename "$filename~", $filename;
		1229
		1230	$filename =~ s%/[^/]+$%%;
		1231	aio_pathsync $filename if $cf::USE_FSYNC;
996	} else {	1232	} else {
997	warn "FATAL: $filename~: $!\n";	1233	warn "unable to save objects: $filename~: $!\n";
998	}	1234	}
999	} else {	1235	} else {
1000	aio_unlink $filename;	1236	aio_unlink $filename;
1001	aio_unlink "$filename.pst";	1237	aio_unlink "$filename.pst";
1002	}	1238	}
1003	}	1239	};
1004	}	1240	}
1005		1241
1006	sub object_freezer_as_string {	1242	sub object_freezer_as_string {
1007	my ($rdata, $objs) = @_;	1243	my ($rdata, $objs) = @_;
1008		1244
…		…
1020	or return;	1256	or return;
1021		1257
1022	unless (aio_stat "$filename.pst") {	1258	unless (aio_stat "$filename.pst") {
1023	(aio_load "$filename.pst", $av) >= 0	1259	(aio_load "$filename.pst", $av) >= 0
1024	or return;	1260	or return;
		1261
1025	$av = eval { (Storable::thaw $av)->{objs} };	1262	my $st = eval { Coro::Storable::thaw $av };
		1263	$av = $st->{objs};
1026	}	1264	}
1027		1265
		1266	utf8::decode (my $decname = $filename);
1028	warn sprintf "loading %s (%d)\n",	1267	warn sprintf "loading %s (%d,%d)\n",
1029	$filename, length $data, scalar @{$av || []};	1268	$decname, length $data, scalar @{$av || []}
		1269	if $VERBOSE_IO;
		1270
1030	return ($data, $av);	1271	($data, $av)
1031	}	1272	}
1032		1273
1033	=head2 COMMAND CALLBACKS	1274	=head2 COMMAND CALLBACKS
1034		1275
1035	=over 4	1276	=over 4
…		…
1089	my ($name, $cb) = @_;	1330	my ($name, $cb) = @_;
1090		1331
1091	$EXTICMD{$name} = $cb;	1332	$EXTICMD{$name} = $cb;
1092	}	1333	}
1093		1334
		1335	use File::Glob ();
		1336
1094	cf::player->attach (	1337	cf::player->attach (
1095	on_command => sub {	1338	on_unknown_command => sub {
1096	my ($pl, $name, $params) = @_;	1339	my ($pl, $name, $params) = @_;
1097		1340
1098	my $cb = $COMMAND{$name}	1341	my $cb = $COMMAND{$name}
1099	or return;	1342	or return;
1100		1343
…		…
1108	my ($pl, $buf) = @_;	1351	my ($pl, $buf) = @_;
1109		1352
1110	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1353	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1111		1354
1112	if (ref $msg) {	1355	if (ref $msg) {
		1356	my ($type, $reply, @payload) =
		1357	"ARRAY" eq ref $msg
		1358	? @$msg
		1359	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1360
		1361	my @reply;
		1362
1113	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1363	if (my $cb = $EXTCMD{$type}) {
1114	if (my %reply = $cb->($pl, $msg)) {	1364	@reply = $cb->($pl, @payload);
1115	$pl->ext_reply ($msg->{msgid}, %reply);
1116	}
1117	}	1365	}
		1366
		1367	$pl->ext_reply ($reply, @reply)
		1368	if $reply;
		1369
1118	} else {	1370	} else {
1119	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1371	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1120	}	1372	}
1121		1373
1122	cf::override;	1374	cf::override;
1123	},	1375	},
1124	);	1376	);
		1377
		1378	# "readahead" all extensions
		1379	sub cache_extensions {
		1380	my $grp = IO::AIO::aio_group;
		1381
		1382	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1383	for (grep /\.ext$/, @{$_[0]}) {
		1384	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1385	}
		1386	};
		1387
		1388	$grp
		1389	}
1125		1390
1126	sub load_extensions {	1391	sub load_extensions {
1127	cf::sync_job {	1392	cf::sync_job {
1128	my %todo;	1393	my %todo;
1129		1394
…		…
1149		1414
1150	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1415	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1151	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1416	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1152		1417
1153	$ext{source} =	1418	$ext{source} =
1154	"package $pkg; use strict; use utf8;\n"	1419	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1155	. "#line 1 \"$path\"\n{\n"	1420	. "#line 1 \"$path\"\n{\n"
1156	. $source	1421	. $source
1157	. "\n};\n1";	1422	. "\n};\n1";
1158		1423
1159	$todo{$base} = \%ext;	1424	$todo{$base} = \%ext;
1160	}	1425	}
1161		1426
		1427	my $pass = 0;
1162	my %done;	1428	my %done;
1163	while (%todo) {	1429	while (%todo) {
1164	my $progress;	1430	my $progress;
1165		1431
		1432	++$pass;
		1433
		1434	ext:
1166	while (my ($k, $v) = each %todo) {	1435	while (my ($k, $v) = each %todo) {
1167	for (split /,\s*/, $v->{meta}{depends}) {	1436	for (split /,\s*/, $v->{meta}{depends}) {
1168	goto skip	1437	next ext
1169	unless exists $done{$_};	1438	unless exists $done{$_};
1170	}	1439	}
1171		1440
1172	warn "... loading '$k' into '$v->{pkg}'\n";	1441	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1173		1442
1174	unless (eval $v->{source}) {	1443	my $active = eval $v->{source};
		1444
		1445	if (length $@) {
1175	my $msg = $@ ? "$v->{path}: $@\n"	1446	warn "$v->{path}: $@\n";
1176	: "$v->{base}: extension inactive.\n";
1177		1447
		1448	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1178	if (exists $v->{meta}{mandatory}) {	1449	if exists $v->{meta}{mandatory};
1179	warn $msg;	1450
1180	warn "mandatory extension failed to load, exiting.\n";	1451	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1181	exit 1;	1452	delete $todo{$k};
1182	}	1453	} else {
1183		1454	$done{$k} = delete $todo{$k};
1184	warn $msg;	1455	push @EXTS, $v->{pkg};
		1456	$progress = 1;
		1457
		1458	warn "$v->{base}: extension inactive.\n"
		1459	unless $active;
1185	}	1460	}
1186
1187	$done{$k} = delete $todo{$k};
1188	push @EXTS, $v->{pkg};
1189	$progress = 1;
1190	}	1461	}
1191		1462
1192	skip:	1463	unless ($progress) {
1193	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1464	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1194	unless $progress;	1465
		1466	while (my ($k, $v) = each %todo) {
		1467	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1468	if exists $v->{meta}{mandatory};
		1469	}
		1470	}
1195	}	1471	}
1196	};	1472	};
1197	}	1473	}
1198		1474
1199	#############################################################################	1475	#############################################################################
1200		1476
1201	=back	1477	=back
1202		1478
1203	=head2 CORE EXTENSIONS	1479	=head2 CORE EXTENSIONS
1204		1480
1205	Functions and methods that extend core crossfire objects.	1481	Functions and methods that extend core deliantra objects.
1206		1482
1207	=cut	1483	=cut
1208		1484
1209	package cf::player;	1485	package cf::player;
1210		1486
1211	use Coro::AIO;	1487	use Coro::AIO;
1212		1488
1213	=head3 cf::player	1489	=head3 cf::player
1214		1490
1215	=over 4	1491	=over 4
		1492
		1493	=item cf::player::num_playing
		1494
		1495	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1496
		1497	=cut
		1498
		1499	sub num_playing {
		1500	scalar grep
		1501	$_->ob->map
		1502	&& !$_->hidden
		1503	&& !$_->ob->flag (cf::FLAG_WIZ),
		1504	cf::player::list
		1505	}
1216		1506
1217	=item cf::player::find $login	1507	=item cf::player::find $login
1218		1508
1219	Returns the given player object, loading it if necessary (might block).	1509	Returns the given player object, loading it if necessary (might block).
1220		1510
…		…
1239		1529
1240	sub exists($) {	1530	sub exists($) {
1241	my ($login) = @_;	1531	my ($login) = @_;
1242		1532
1243	$cf::PLAYER{$login}	1533	$cf::PLAYER{$login}
1244	or cf::sync_job { !aio_stat path $login }	1534	or !aio_stat path $login
1245	}	1535	}
1246		1536
1247	sub find($) {	1537	sub find($) {
1248	return $cf::PLAYER{$_[0]} || do {	1538	return $cf::PLAYER{$_[0]} || do {
1249	my $login = $_[0];	1539	my $login = $_[0];
…		…
1256	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1546	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1257	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1547	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1258	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1548	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1259	aio_unlink +(playerdir $login) . "/$login.pl";	1549	aio_unlink +(playerdir $login) . "/$login.pl";
1260		1550
1261	my $pl = load_pl path $login	1551	my $f = new_from_file cf::object::thawer path $login
1262	or return;	1552	or return;
		1553
		1554	my $pl = cf::player::load_pl $f
		1555	or return;
		1556
		1557	local $cf::PLAYER_LOADING{$login} = $pl;
		1558	$f->resolve_delayed_derefs;
1263	$cf::PLAYER{$login} = $pl	1559	$cf::PLAYER{$login} = $pl
1264	}	1560	}
1265	}	1561	}
1266	}	1562	}
		1563
		1564	cf::player->attach (
		1565	on_load => sub {
		1566	my ($pl, $path) = @_;
		1567
		1568	# restore slots saved in save, below
		1569	my $slots = delete $pl->{_slots};
		1570
		1571	$pl->ob->current_weapon ($slots->[0]);
		1572	$pl->combat_ob ($slots->[1]);
		1573	$pl->ranged_ob ($slots->[2]);
		1574	},
		1575	);
1267		1576
1268	sub save($) {	1577	sub save($) {
1269	my ($pl) = @_;	1578	my ($pl) = @_;
1270		1579
1271	return if $pl->{deny_save};	1580	return if $pl->{deny_save};
…		…
1276	return if $pl->{deny_save};	1585	return if $pl->{deny_save};
1277		1586
1278	aio_mkdir playerdir $pl, 0770;	1587	aio_mkdir playerdir $pl, 0770;
1279	$pl->{last_save} = $cf::RUNTIME;	1588	$pl->{last_save} = $cf::RUNTIME;
1280		1589
		1590	cf::get_slot 0.01;
		1591
		1592	# save slots, to be restored later
		1593	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1594
1281	$pl->save_pl ($path);	1595	$pl->save_pl ($path);
1282	Coro::cede;	1596	cf::cede_to_tick;
1283	}	1597	}
1284		1598
1285	sub new($) {	1599	sub new($) {
1286	my ($login) = @_;	1600	my ($login) = @_;
1287		1601
…		…
1293	$cf::PLAYER{$login} = $self;	1607	$cf::PLAYER{$login} = $self;
1294		1608
1295	$self	1609	$self
1296	}	1610	}
1297		1611
		1612	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1613
		1614	=cut
		1615
		1616	sub send_msg {
		1617	my $ns = shift->ns
		1618	or return;
		1619	$ns->send_msg (@_);
		1620	}
		1621
1298	=item $pl->quit_character	1622	=item $pl->quit_character
1299		1623
1300	Nukes the player without looking back. If logged in, the connection will	1624	Nukes the player without looking back. If logged in, the connection will
1301	be destroyed. May block for a long time.	1625	be destroyed. May block for a long time.
1302		1626
…		…
1306	my ($pl) = @_;	1630	my ($pl) = @_;
1307		1631
1308	my $name = $pl->ob->name;	1632	my $name = $pl->ob->name;
1309		1633
1310	$pl->{deny_save} = 1;	1634	$pl->{deny_save} = 1;
1311	$pl->password ("*"); # this should lock out the player until we nuked the dir	1635	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1312		1636
1313	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1637	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1314	$pl->deactivate;	1638	$pl->deactivate;
		1639	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1640	$pl->ob->check_score;
1315	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1641	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1316	$pl->ns->destroy if $pl->ns;	1642	$pl->ns->destroy if $pl->ns;
1317		1643
1318	my $path = playerdir $pl;	1644	my $path = playerdir $pl;
1319	my $temp = "$path~$cf::RUNTIME~deleting~";	1645	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1355	or return [];	1681	or return [];
1356		1682
1357	my @logins;	1683	my @logins;
1358		1684
1359	for my $login (@$dirs) {	1685	for my $login (@$dirs) {
		1686	my $path = path $login;
		1687
		1688	# a .pst is a dead give-away for a valid player
		1689	# if no pst file found, open and chekc for blocked users
		1690	if (aio_stat "$path.pst") {
1360	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1691	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1361	aio_read $fh, 0, 512, my $buf, 0 or next;	1692	aio_read $fh, 0, 512, my $buf, 0 or next;
1362	$buf !~ /^password -------------$/m or next; # official not-valid tag	1693	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1694	}
1363		1695
1364	utf8::decode $login;	1696	utf8::decode $login;
1365	push @logins, $login;	1697	push @logins, $login;
1366	}	1698	}
1367		1699
1368	\@logins	1700	\@logins
1369	}	1701	}
1370		1702
1371	=item $player->maps	1703	=item $player->maps
		1704
		1705	=item cf::player::maps $login
1372		1706
1373	Returns an arrayref of map paths that are private for this	1707	Returns an arrayref of map paths that are private for this
1374	player. May block.	1708	player. May block.
1375		1709
1376	=cut	1710	=cut
…		…
1394	}	1728	}
1395		1729
1396	\@paths	1730	\@paths
1397	}	1731	}
1398		1732
1399	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1733	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1400		1734
1401	Expand crossfire pod fragments into protocol xml.	1735	Expand deliantra pod fragments into protocol xml.
1402		1736
1403	=cut
1404
1405	sub expand_cfpod {
1406	((my $self), (local $_)) = @_;
1407
1408	# escape & and <
1409	s/&/&amp;/g;
1410	s/(?<![BIUGH])</&lt;/g;
1411
1412	# this is buggy, it needs to properly take care of nested <'s
1413
1414	1 while
1415	# replace B<>, I<>, U<> etc.
1416	s/B<([^\>]*)>/<b>$1<\/b>/
1417	|| s/I<([^\>]*)>/<i>$1<\/i>/
1418	|| s/U<([^\>]*)>/<u>$1<\/u>/
1419	# replace G<male|female> tags
1420	|| s{G<([^>|]*)\|([^>]*)>}{
1421	$self->gender ? $2 : $1
1422	}ge
1423	# replace H<hint text>
1424	|| s{H<([^\>]*)>}
1425	{
1426	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1427	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1428	"")
1429	[$self->{hintmode}]
1430	}ge;
1431
1432	# create single paragraphs (very hackish)
1433	s/(?<=\S)\n(?=\w)/ /g;
1434
1435	# compress some whitespace
1436	s/\s+\n/\n/g; # ws line-ends
1437	s/\n\n+/\n/g; # double lines
1438	s/^\n+//; # beginning lines
1439	s/\n+$//; # ending lines
1440
1441	$_
1442	}
1443
1444	sub hintmode {
1445	$_[0]{hintmode} = $_[1] if @_ > 1;
1446	$_[0]{hintmode}
1447	}
1448
1449	=item $player->ext_reply ($msgid, %msg)	1737	=item $player->ext_reply ($msgid, @msg)
1450		1738
1451	Sends an ext reply to the player.	1739	Sends an ext reply to the player.
1452		1740
1453	=cut	1741	=cut
1454		1742
1455	sub ext_reply($$%) {	1743	sub ext_reply($$@) {
1456	my ($self, $id, %msg) = @_;	1744	my ($self, $id, @msg) = @_;
1457		1745
1458	$msg{msgid} = $id;	1746	$self->ns->ext_reply ($id, @msg)
1459	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1460	}	1747	}
1461		1748
1462	=item $player->ext_event ($type, %msg)	1749	=item $player->ext_msg ($type, @msg)
1463		1750
1464	Sends an ext event to the client.	1751	Sends an ext event to the client.
1465		1752
1466	=cut	1753	=cut
1467		1754
1468	sub ext_event($$%) {	1755	sub ext_msg($$@) {
1469	my ($self, $type, %msg) = @_;	1756	my ($self, $type, @msg) = @_;
1470		1757
1471	$self->ns->ext_event ($type, %msg);	1758	$self->ns->ext_msg ($type, @msg);
1472	}	1759	}
1473		1760
1474	=head3 cf::region	1761	=head3 cf::region
1475		1762
1476	=over 4	1763	=over 4
…		…
1485		1772
1486	=cut	1773	=cut
1487		1774
1488	sub find_by_path($) {	1775	sub find_by_path($) {
1489	my ($path) = @_;	1776	my ($path) = @_;
		1777
		1778	$path =~ s/^~[^\/]*//; # skip ~login
1490		1779
1491	my ($match, $specificity);	1780	my ($match, $specificity);
1492		1781
1493	for my $region (list) {	1782	for my $region (list) {
1494	if ($region->{match} && $path =~ $region->{match}) {	1783	if ($region->{match} && $path =~ $region->{match}) {
…		…
1520	our $MAX_RESET = 3600;	1809	our $MAX_RESET = 3600;
1521	our $DEFAULT_RESET = 3000;	1810	our $DEFAULT_RESET = 3000;
1522		1811
1523	sub generate_random_map {	1812	sub generate_random_map {
1524	my ($self, $rmp) = @_;	1813	my ($self, $rmp) = @_;
		1814
		1815	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1816
1525	# mit "rum" bekleckern, nicht	1817	# mit "rum" bekleckern, nicht
1526	$self->_create_random_map (	1818	$self->_create_random_map (
1527	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1819	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1528	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1820	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1529	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1821	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1530	$rmp->{exit_on_final_map},	1822	$rmp->{exit_on_final_map},
1531	$rmp->{xsize}, $rmp->{ysize},	1823	$rmp->{xsize}, $rmp->{ysize},
1532	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1824	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1533	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1825	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1555		1847
1556	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1848	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1557	}	1849	}
1558		1850
1559	# also paths starting with '/'	1851	# also paths starting with '/'
1560	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1852	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1561		1853
1562	sub thawer_merge {	1854	sub thawer_merge {
1563	my ($self, $merge) = @_;	1855	my ($self, $merge) = @_;
1564		1856
1565	# we have to keep some variables in memory intact	1857	# we have to keep some variables in memory intact
…		…
1619	$self->init; # pass $1 etc.	1911	$self->init; # pass $1 etc.
1620	return $self;	1912	return $self;
1621	}	1913	}
1622	}	1914	}
1623		1915
1624	Carp::carp "unable to resolve path '$path' (base '$base').";	1916	Carp::cluck "unable to resolve path '$path' (base '$base').";
1625	()	1917	()
1626	}	1918	}
1627		1919
1628	sub init {	1920	sub init {
1629	my ($self) = @_;	1921	my ($self) = @_;
…		…
1651		1943
1652	# the temporary/swap location	1944	# the temporary/swap location
1653	sub save_path {	1945	sub save_path {
1654	my ($self) = @_;	1946	my ($self) = @_;
1655		1947
1656	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1948	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1657	"$TMPDIR/$path.map"	1949	"$TMPDIR/$path.map"
1658	}	1950	}
1659		1951
1660	# the unique path, undef == no special unique path	1952	# the unique path, undef == no special unique path
1661	sub uniq_path {	1953	sub uniq_path {
1662	my ($self) = @_;	1954	my ($self) = @_;
1663		1955
1664	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1956	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1665	"$UNIQUEDIR/$path"	1957	"$UNIQUEDIR/$path"
1666	}
1667
1668	# and all this just because we cannot iterate over
1669	# all maps in C++...
1670	sub change_all_map_light {
1671	my ($change) = @_;
1672
1673	$_->change_map_light ($change)
1674	for grep $_->outdoor, values %cf::MAP;
1675	}	1958	}
1676		1959
1677	sub decay_objects {	1960	sub decay_objects {
1678	my ($self) = @_;	1961	my ($self) = @_;
1679		1962
…		…
1692		1975
1693	sub load_header_from($) {	1976	sub load_header_from($) {
1694	my ($self, $path) = @_;	1977	my ($self, $path) = @_;
1695		1978
1696	utf8::encode $path;	1979	utf8::encode $path;
1697	#aio_open $path, O_RDONLY, 0	1980	my $f = new_from_file cf::object::thawer $path
1698	# or return;
1699
1700	$self->_load_header ($path)
1701	or return;	1981	or return;
		1982
		1983	$self->_load_header ($f)
		1984	or return;
		1985
		1986	local $MAP_LOADING{$self->{path}} = $self;
		1987	$f->resolve_delayed_derefs;
1702		1988
1703	$self->{load_path} = $path;	1989	$self->{load_path} = $path;
1704		1990
1705	1	1991	1
1706	}	1992	}
…		…
1760	sub find {	2046	sub find {
1761	my ($path, $origin) = @_;	2047	my ($path, $origin) = @_;
1762		2048
1763	$path = normalise $path, $origin && $origin->path;	2049	$path = normalise $path, $origin && $origin->path;
1764		2050
		2051	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1765	cf::lock_wait "map_find:$path";	2052	my $guard2 = cf::lock_acquire "map_find:$path";
1766		2053
1767	$cf::MAP{$path} || do {	2054	$cf::MAP{$path} || do {
1768	my $guard = cf::lock_acquire "map_find:$path";
1769	my $map = new_from_path cf::map $path	2055	my $map = new_from_path cf::map $path
1770	or return;	2056	or return;
1771		2057
1772	$map->{last_save} = $cf::RUNTIME;	2058	$map->{last_save} = $cf::RUNTIME;
1773		2059
…		…
1775	or return;	2061	or return;
1776		2062
1777	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2063	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1778	# doing this can freeze the server in a sync job, obviously	2064	# doing this can freeze the server in a sync job, obviously
1779	#$cf::WAIT_FOR_TICK->wait;	2065	#$cf::WAIT_FOR_TICK->wait;
		2066	undef $guard2;
		2067	undef $guard1;
1780	$map->reset;	2068	$map->reset;
1781	undef $guard;
1782	return find $path;	2069	return find $path;
1783	}	2070	}
1784		2071
1785	$cf::MAP{$path} = $map	2072	$cf::MAP{$path} = $map
1786	}	2073	}
1787	}	2074	}
1788		2075
1789	sub pre_load { }	2076	sub pre_load { }
1790	sub post_load { }	2077	#sub post_load { } # XS
1791		2078
1792	sub load {	2079	sub load {
1793	my ($self) = @_;	2080	my ($self) = @_;
1794		2081
1795	local $self->{deny_reset} = 1; # loading can take a long time	2082	local $self->{deny_reset} = 1; # loading can take a long time
1796		2083
1797	my $path = $self->{path};	2084	my $path = $self->{path};
1798		2085
1799	{	2086	{
1800	my $guard = cf::lock_acquire "map_load:$path";	2087	my $guard = cf::lock_acquire "map_data:$path";
1801		2088
		2089	return unless $self->valid;
1802	return if $self->in_memory != cf::MAP_SWAPPED;	2090	return unless $self->in_memory == cf::MAP_SWAPPED;
1803		2091
1804	$self->in_memory (cf::MAP_LOADING);	2092	$self->in_memory (cf::MAP_LOADING);
1805		2093
1806	$self->alloc;	2094	$self->alloc;
1807		2095
1808	$self->pre_load;	2096	$self->pre_load;
1809	Coro::cede;	2097	cf::cede_to_tick;
1810		2098
		2099	my $f = new_from_file cf::object::thawer $self->{load_path};
		2100	$f->skip_block;
1811	$self->_load_objects ($self->{load_path}, 1)	2101	$self->_load_objects ($f)
1812	or return;	2102	or return;
1813		2103
1814	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2104	$self->post_load_original
1815	if delete $self->{load_original};	2105	if delete $self->{load_original};
1816		2106
1817	if (my $uniq = $self->uniq_path) {	2107	if (my $uniq = $self->uniq_path) {
1818	utf8::encode $uniq;	2108	utf8::encode $uniq;
1819	if (aio_open $uniq, O_RDONLY, 0) {	2109	unless (aio_stat $uniq) {
		2110	if (my $f = new_from_file cf::object::thawer $uniq) {
1820	$self->clear_unique_items;	2111	$self->clear_unique_items;
1821	$self->_load_objects ($uniq, 0);	2112	$self->_load_objects ($f);
		2113	$f->resolve_delayed_derefs;
		2114	}
1822	}	2115	}
1823	}	2116	}
1824		2117
1825	Coro::cede;	2118	$f->resolve_delayed_derefs;
		2119
		2120	cf::cede_to_tick;
1826	# now do the right thing for maps	2121	# now do the right thing for maps
1827	$self->link_multipart_objects;	2122	$self->link_multipart_objects;
1828	$self->difficulty ($self->estimate_difficulty)	2123	$self->difficulty ($self->estimate_difficulty)
1829	unless $self->difficulty;	2124	unless $self->difficulty;
1830	Coro::cede;	2125	cf::cede_to_tick;
1831		2126
1832	unless ($self->{deny_activate}) {	2127	unless ($self->{deny_activate}) {
1833	$self->decay_objects;	2128	$self->decay_objects;
1834	$self->fix_auto_apply;	2129	$self->fix_auto_apply;
1835	$self->update_buttons;	2130	$self->update_buttons;
1836	Coro::cede;	2131	cf::cede_to_tick;
1837	$self->set_darkness_map;
1838	Coro::cede;
1839	$self->activate;	2132	$self->activate;
1840	}	2133	}
1841		2134
		2135	$self->{last_save} = $cf::RUNTIME;
		2136	$self->last_access ($cf::RUNTIME);
		2137
1842	$self->in_memory (cf::MAP_IN_MEMORY);	2138	$self->in_memory (cf::MAP_ACTIVE);
1843	}	2139	}
1844		2140
1845	$self->post_load;	2141	$self->post_load;
1846	}	2142	}
1847		2143
		2144	# customize the map for a given player, i.e.
		2145	# return the _real_ map. used by e.g. per-player
		2146	# maps to change the path to ~playername/mappath
1848	sub customise_for {	2147	sub customise_for {
1849	my ($self, $ob) = @_;	2148	my ($self, $ob) = @_;
1850		2149
1851	return find "~" . $ob->name . "/" . $self->{path}	2150	return find "~" . $ob->name . "/" . $self->{path}
1852	if $self->per_player;	2151	if $self->per_player;
…		…
1856		2155
1857	$self	2156	$self
1858	}	2157	}
1859		2158
1860	# find and load all maps in the 3x3 area around a map	2159	# find and load all maps in the 3x3 area around a map
1861	sub load_diag {	2160	sub load_neighbours {
1862	my ($map) = @_;	2161	my ($map) = @_;
1863		2162
1864	my @diag; # diagonal neighbours	2163	my @neigh; # diagonal neighbours
1865		2164
1866	for (0 .. 3) {	2165	for (0 .. 3) {
1867	my $neigh = $map->tile_path ($_)	2166	my $neigh = $map->tile_path ($_)
1868	or next;	2167	or next;
1869	$neigh = find $neigh, $map	2168	$neigh = find $neigh, $map
1870	or next;	2169	or next;
1871	$neigh->load;	2170	$neigh->load;
1872		2171
		2172	# now find the diagonal neighbours
		2173	push @neigh,
1873	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2174	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1874	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2175	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1875	}	2176	}
1876		2177
1877	for (@diag) {	2178	for (grep defined $_->[0], @neigh) {
		2179	my ($path, $origin) = @$_;
1878	my $neigh = find @$_	2180	my $neigh = find $path, $origin
1879	or next;	2181	or next;
1880	$neigh->load;	2182	$neigh->load;
1881	}	2183	}
1882	}	2184	}
1883		2185
…		…
1888	}	2190	}
1889		2191
1890	sub do_load_sync {	2192	sub do_load_sync {
1891	my ($map) = @_;	2193	my ($map) = @_;
1892		2194
		2195	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2196	if $Coro::current == $Coro::main;
		2197
1893	cf::sync_job { $map->load };	2198	cf::sync_job { $map->load };
1894	}	2199	}
1895		2200
1896	our %MAP_PREFETCH;	2201	our %MAP_PREFETCH;
1897	our $MAP_PREFETCHER = undef;	2202	our $MAP_PREFETCHER = undef;
1898		2203
1899	sub find_async {	2204	sub find_async {
1900	my ($path, $origin) = @_;	2205	my ($path, $origin, $load) = @_;
1901		2206
1902	$path = normalise $path, $origin && $origin->{path};	2207	$path = normalise $path, $origin && $origin->{path};
1903		2208
1904	if (my $map = $cf::MAP{$path}) {	2209	if (my $map = $cf::MAP{$path}) {
1905	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2210	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1906	}	2211	}
1907		2212
1908	undef $MAP_PREFETCH{$path};	2213	$MAP_PREFETCH{$path} |= $load;
		2214
1909	$MAP_PREFETCHER ||= cf::async {	2215	$MAP_PREFETCHER ||= cf::async {
		2216	$Coro::current->{desc} = "map prefetcher";
		2217
1910	while (%MAP_PREFETCH) {	2218	while (%MAP_PREFETCH) {
1911	for my $path (keys %MAP_PREFETCH) {	2219	while (my ($k, $v) = each %MAP_PREFETCH) {
1912	my $map = find $path	2220	if (my $map = find $k) {
1913	or next;
1914	$map->load;	2221	$map->load if $v;
		2222	}
1915		2223
1916	delete $MAP_PREFETCH{$path};	2224	delete $MAP_PREFETCH{$k};
1917	}	2225	}
1918	}	2226	}
1919	undef $MAP_PREFETCHER;	2227	undef $MAP_PREFETCHER;
1920	};	2228	};
1921	$MAP_PREFETCHER->prio (6);	2229	$MAP_PREFETCHER->prio (6);
1922		2230
1923	()	2231	()
1924	}	2232	}
1925		2233
		2234	# common code, used by both ->save and ->swapout
1926	sub save {	2235	sub _save {
1927	my ($self) = @_;	2236	my ($self) = @_;
1928
1929	my $lock = cf::lock_acquire "map_data:" . $self->path;
1930		2237
1931	$self->{last_save} = $cf::RUNTIME;	2238	$self->{last_save} = $cf::RUNTIME;
1932		2239
1933	return unless $self->dirty;	2240	return unless $self->dirty;
1934		2241
…		…
1940	return if $self->{deny_save};	2247	return if $self->{deny_save};
1941		2248
1942	local $self->{last_access} = $self->last_access;#d#	2249	local $self->{last_access} = $self->last_access;#d#
1943		2250
1944	cf::async {	2251	cf::async {
		2252	$Coro::current->{desc} = "map player save";
1945	$_->contr->save for $self->players;	2253	$_->contr->save for $self->players;
1946	};	2254	};
		2255
		2256	cf::get_slot 0.02;
1947		2257
1948	if ($uniq) {	2258	if ($uniq) {
1949	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2259	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1950	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2260	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1951	} else {	2261	} else {
1952	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2262	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1953	}	2263	}
1954	}	2264	}
1955		2265
		2266	sub save {
		2267	my ($self) = @_;
		2268
		2269	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2270
		2271	$self->_save;
		2272	}
		2273
1956	sub swap_out {	2274	sub swap_out {
1957	my ($self) = @_;	2275	my ($self) = @_;
1958		2276
1959	# save first because save cedes
1960	$self->save;
1961
1962	my $lock = cf::lock_acquire "map_data:" . $self->path;	2277	my $lock = cf::lock_acquire "map_data:$self->{path}";
1963		2278
		2279	return if $self->in_memory != cf::MAP_ACTIVE;
		2280	return if $self->{deny_save};
1964	return if $self->players;	2281	return if $self->players;
1965	return if $self->in_memory != cf::MAP_IN_MEMORY;
1966	return if $self->{deny_save};
1967		2282
		2283	# first deactivate the map and "unlink" it from the core
		2284	$self->deactivate;
		2285	$_->clear_links_to ($self) for values %cf::MAP;
		2286	$self->in_memory (cf::MAP_SWAPPED);
		2287
		2288	# then atomically save
		2289	$self->_save;
		2290
		2291	# then free the map
1968	$self->clear;	2292	$self->clear;
1969	$self->in_memory (cf::MAP_SWAPPED);
1970	}	2293	}
1971		2294
1972	sub reset_at {	2295	sub reset_at {
1973	my ($self) = @_;	2296	my ($self) = @_;
1974		2297
…		…
1992		2315
1993	my $lock = cf::lock_acquire "map_data:$self->{path}";	2316	my $lock = cf::lock_acquire "map_data:$self->{path}";
1994		2317
1995	return if $self->players;	2318	return if $self->players;
1996		2319
1997	warn "resetting map ", $self->path;	2320	warn "resetting map ", $self->path, "\n";
1998		2321
1999	$self->in_memory (cf::MAP_SWAPPED);	2322	$self->in_memory (cf::MAP_SWAPPED);
2000		2323
2001	# need to save uniques path	2324	# need to save uniques path
2002	unless ($self->{deny_save}) {	2325	unless ($self->{deny_save}) {
…		…
2006	if $uniq;	2329	if $uniq;
2007	}	2330	}
2008		2331
2009	delete $cf::MAP{$self->path};	2332	delete $cf::MAP{$self->path};
2010		2333
		2334	$self->deactivate;
		2335	$_->clear_links_to ($self) for values %cf::MAP;
2011	$self->clear;	2336	$self->clear;
2012
2013	$_->clear_links_to ($self) for values %cf::MAP;
2014		2337
2015	$self->unlink_save;	2338	$self->unlink_save;
2016	$self->destroy;	2339	$self->destroy;
2017	}	2340	}
2018		2341
2019	my $nuke_counter = "aaaa";	2342	my $nuke_counter = "aaaa";
2020		2343
2021	sub nuke {	2344	sub nuke {
2022	my ($self) = @_;	2345	my ($self) = @_;
2023		2346
		2347	{
		2348	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2349
2024	delete $cf::MAP{$self->path};	2350	delete $cf::MAP{$self->path};
2025		2351
2026	$self->unlink_save;	2352	$self->unlink_save;
2027		2353
2028	bless $self, "cf::map";	2354	bless $self, "cf::map::wrap";
2029	delete $self->{deny_reset};	2355	delete $self->{deny_reset};
2030	$self->{deny_save} = 1;	2356	$self->{deny_save} = 1;
2031	$self->reset_timeout (1);	2357	$self->reset_timeout (1);
2032	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2358	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2033		2359
2034	$cf::MAP{$self->path} = $self;	2360	$cf::MAP{$self->path} = $self;
		2361	}
2035		2362
2036	$self->reset; # polite request, might not happen	2363	$self->reset; # polite request, might not happen
2037	}	2364	}
2038		2365
2039	=item $maps = cf::map::tmp_maps	2366	=item $maps = cf::map::tmp_maps
…		…
2081		2408
2082	sub unique_maps() {	2409	sub unique_maps() {
2083	[	2410	[
2084	map {	2411	map {
2085	utf8::decode $_;	2412	utf8::decode $_;
2086	/\.map$/	2413	s/\.map$//; # TODO future compatibility hack
		2414	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2415	? ()
2087	? normalise $_	2416	: normalise $_
2088	: ()
2089	} @{ aio_readdir $UNIQUEDIR or [] }	2417	} @{ aio_readdir $UNIQUEDIR or [] }
2090	]	2418	]
2091	}	2419	}
2092		2420
2093	package cf;	2421	=item cf::map::static_maps
		2422
		2423	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2424	file in the shared directory excluding F</styles> and F</editor>). May
		2425	block.
		2426
		2427	=cut
		2428
		2429	sub static_maps() {
		2430	my @dirs = "";
		2431	my @maps;
		2432
		2433	while (@dirs) {
		2434	my $dir = shift @dirs;
		2435
		2436	next if $dir eq "/styles" || $dir eq "/editor";
		2437
		2438	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2439	or return;
		2440
		2441	for (@$files) {
		2442	s/\.map$// or next;
		2443	utf8::decode $_;
		2444	push @maps, "$dir/$_";
		2445	}
		2446
		2447	push @dirs, map "$dir/$_", @$dirs;
		2448	}
		2449
		2450	\@maps
		2451	}
2094		2452
2095	=back	2453	=back
2096		2454
2097	=head3 cf::object	2455	=head3 cf::object
2098		2456
…		…
2102		2460
2103	=over 4	2461	=over 4
2104		2462
2105	=item $ob->inv_recursive	2463	=item $ob->inv_recursive
2106		2464
2107	Returns the inventory of the object _and_ their inventories, recursively.	2465	Returns the inventory of the object I<and> their inventories, recursively,
		2466	but I<not> the object itself.
2108		2467
2109	=cut	2468	=cut
2110		2469
2111	sub inv_recursive_;	2470	sub inv_recursive_;
2112	sub inv_recursive_ {	2471	sub inv_recursive_ {
…		…
2115		2474
2116	sub inv_recursive {	2475	sub inv_recursive {
2117	inv_recursive_ inv $_[0]	2476	inv_recursive_ inv $_[0]
2118	}	2477	}
2119		2478
		2479	=item $ref = $ob->ref
		2480
		2481	Creates and returns a persistent reference to an object that can be stored as a string.
		2482
		2483	=item $ob = cf::object::deref ($refstring)
		2484
		2485	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2486	even if the object actually exists. May block.
		2487
		2488	=cut
		2489
		2490	sub deref {
		2491	my ($ref) = @_;
		2492
		2493	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2494	my ($uuid, $name) = ($1, $2);
		2495	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2496	or return;
		2497	$pl->ob->uuid eq $uuid
		2498	or return;
		2499
		2500	$pl->ob
		2501	} else {
		2502	warn "$ref: cannot resolve object reference\n";
		2503	undef
		2504	}
		2505	}
		2506
2120	package cf;	2507	package cf;
2121		2508
2122	=back	2509	=back
2123		2510
2124	=head3 cf::object::player	2511	=head3 cf::object::player
…		…
2130	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2517	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2131	can be C<undef>. Does the right thing when the player is currently in a	2518	can be C<undef>. Does the right thing when the player is currently in a
2132	dialogue with the given NPC character.	2519	dialogue with the given NPC character.
2133		2520
2134	=cut	2521	=cut
		2522
		2523	our $SAY_CHANNEL = {
		2524	id => "say",
		2525	title => "Map",
		2526	reply => "say ",
		2527	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2528	};
		2529
		2530	our $CHAT_CHANNEL = {
		2531	id => "chat",
		2532	title => "Chat",
		2533	reply => "chat ",
		2534	tooltip => "Player chat and shouts, global to the server.",
		2535	};
2135		2536
2136	# rough implementation of a future "reply" method that works	2537	# rough implementation of a future "reply" method that works
2137	# with dialog boxes.	2538	# with dialog boxes.
2138	#TODO: the first argument must go, split into a $npc->reply_to ( method	2539	#TODO: the first argument must go, split into a $npc->reply_to ( method
2139	sub cf::object::player::reply($$$;$) {	2540	sub cf::object::player::reply($$$;$) {
…		…
2146		2547
2147	} else {	2548	} else {
2148	my $pl = $self->contr;	2549	my $pl = $self->contr;
2149		2550
2150	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2551	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2151	my $diag = $pl->{npc_dialog};	2552	my $dialog = $pl->{npc_dialog};
2152	$diag->{pl}->ext_reply (	2553	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2153	$diag->{id},
2154	msgtype => "reply",
2155	msg => $diag->{pl}->expand_cfpod ($msg),
2156	add_topics => []
2157	);
2158		2554
2159	} else {	2555	} else {
2160	$msg = $npc->name . " says: $msg" if $npc;	2556	$msg = $npc->name . " says: $msg" if $npc;
2161	$self->message ($msg, $flags);	2557	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2162	}	2558	}
2163	}	2559	}
		2560	}
		2561
		2562	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2563
		2564	=cut
		2565
		2566	sub cf::object::send_msg {
		2567	my $pl = shift->contr
		2568	or return;
		2569	$pl->send_msg (@_);
2164	}	2570	}
2165		2571
2166	=item $player_object->may ("access")	2572	=item $player_object->may ("access")
2167		2573
2168	Returns wether the given player is authorized to access resource "access"	2574	Returns wether the given player is authorized to access resource "access"
…		…
2181		2587
2182	=item $player_object->enter_link	2588	=item $player_object->enter_link
2183		2589
2184	Freezes the player and moves him/her to a special map (C<{link}>).	2590	Freezes the player and moves him/her to a special map (C<{link}>).
2185		2591
2186	The player should be reasonably safe there for short amounts of time. You	2592	The player should be reasonably safe there for short amounts of time (e.g.
2187	I<MUST> call C<leave_link> as soon as possible, though.	2593	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2594	though, as the player cannot control the character while it is on the link
		2595	map.
2188		2596
2189	Will never block.	2597	Will never block.
2190		2598
2191	=item $player_object->leave_link ($map, $x, $y)	2599	=item $player_object->leave_link ($map, $x, $y)
2192		2600
…		…
2212	sub cf::object::player::enter_link {	2620	sub cf::object::player::enter_link {
2213	my ($self) = @_;	2621	my ($self) = @_;
2214		2622
2215	$self->deactivate_recursive;	2623	$self->deactivate_recursive;
2216		2624
		2625	++$self->{_link_recursion};
		2626
2217	return if UNIVERSAL::isa $self->map, "ext::map_link";	2627	return if UNIVERSAL::isa $self->map, "ext::map_link";
2218		2628
2219	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2629	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2220	if $self->map && $self->map->{path} ne "{link}";	2630	if $self->map && $self->map->{path} ne "{link}";
2221		2631
2222	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2632	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2223	}	2633	}
2224		2634
2225	sub cf::object::player::leave_link {	2635	sub cf::object::player::leave_link {
2226	my ($self, $map, $x, $y) = @_;	2636	my ($self, $map, $x, $y) = @_;
2227		2637
…		…
2244	($x, $y) = (-1, -1)	2654	($x, $y) = (-1, -1)
2245	unless (defined $x) && (defined $y);	2655	unless (defined $x) && (defined $y);
2246		2656
2247	# use -1 or undef as default coordinates, not 0, 0	2657	# use -1 or undef as default coordinates, not 0, 0
2248	($x, $y) = ($map->enter_x, $map->enter_y)	2658	($x, $y) = ($map->enter_x, $map->enter_y)
2249	if $x <=0 && $y <= 0;	2659	if $x <= 0 && $y <= 0;
2250		2660
2251	$map->load;	2661	$map->load;
2252	$map->load_diag;	2662	$map->load_neighbours;
2253		2663
2254	return unless $self->contr->active;	2664	return unless $self->contr->active;
2255	$self->activate_recursive;
2256		2665
2257	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2666	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2258	$self->enter_map ($map, $x, $y);	2667	if ($self->enter_map ($map, $x, $y)) {
2259	}	2668	# entering was successful
		2669	delete $self->{_link_recursion};
		2670	# only activate afterwards, to support waiting in hooks
		2671	$self->activate_recursive;
		2672	}
2260		2673
		2674	}
		2675
2261	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2676	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2262		2677
2263	Moves the player to the given map-path and coordinates by first freezing	2678	Moves the player to the given map-path and coordinates by first freezing
2264	her, loading and preparing them map, calling the provided $check callback	2679	her, loading and preparing them map, calling the provided $check callback
2265	that has to return the map if sucecssful, and then unfreezes the player on	2680	that has to return the map if sucecssful, and then unfreezes the player on
2266	the new (success) or old (failed) map position. In either case, $done will	2681	the new (success) or old (failed) map position. In either case, $done will
2267	be called at the end of this process.	2682	be called at the end of this process.
2268		2683
		2684	Note that $check will be called with a potentially non-loaded map, so if
		2685	it needs a loaded map it has to call C<< ->load >>.
		2686
2269	=cut	2687	=cut
2270		2688
2271	our $GOTOGEN;	2689	our $GOTOGEN;
2272		2690
2273	sub cf::object::player::goto {	2691	sub cf::object::player::goto {
2274	my ($self, $path, $x, $y, $check, $done) = @_;	2692	my ($self, $path, $x, $y, $check, $done) = @_;
2275		2693
		2694	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2695	warn "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2696	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2697	($path, $x, $y) = @$EMERGENCY_POSITION;
		2698	}
		2699
2276	# do generation counting so two concurrent goto's will be executed in-order	2700	# do generation counting so two concurrent goto's will be executed in-order
2277	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2701	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2278		2702
2279	$self->enter_link;	2703	$self->enter_link;
2280		2704
2281	(async {	2705	(async {
		2706	$Coro::current->{desc} = "player::goto $path $x $y";
		2707
		2708	# *tag paths override both path and x|y
		2709	if ($path =~ /^\*(.*)$/) {
		2710	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2711	my $ob = $obs[rand @obs];
		2712
		2713	# see if we actually can go there
		2714	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2715	$ob = $obs[rand @obs];
		2716	} else {
		2717	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2718	}
		2719	# else put us there anyways for now #d#
		2720
		2721	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2722	} else {
		2723	($path, $x, $y) = (undef, undef, undef);
		2724	}
		2725	}
		2726
2282	my $map = eval {	2727	my $map = eval {
2283	my $map = cf::map::find $path;	2728	my $map = defined $path ? cf::map::find $path : undef;
2284		2729
2285	if ($map) {	2730	if ($map) {
2286	$map = $map->customise_for ($self);	2731	$map = $map->customise_for ($self);
2287	$map = $check->($map) if $check && $map;	2732	$map = $check->($map, $x, $y, $self) if $check && $map;
2288	} else {	2733	} else {
2289	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2734	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2290	}	2735	}
2291		2736
2292	$map	2737	$map
2293	};	2738	};
2294		2739
…		…
2300	if ($gen == $self->{_goto_generation}) {	2745	if ($gen == $self->{_goto_generation}) {
2301	delete $self->{_goto_generation};	2746	delete $self->{_goto_generation};
2302	$self->leave_link ($map, $x, $y);	2747	$self->leave_link ($map, $x, $y);
2303	}	2748	}
2304		2749
2305	$done->() if $done;	2750	$done->($self) if $done;
2306	})->prio (1);	2751	})->prio (1);
2307	}	2752	}
2308		2753
2309	=item $player_object->enter_exit ($exit_object)	2754	=item $player_object->enter_exit ($exit_object)
2310		2755
…		…
2330	}	2775	}
2331		2776
2332	sub prepare_random_map {	2777	sub prepare_random_map {
2333	my ($exit) = @_;	2778	my ($exit) = @_;
2334		2779
2335	my $guard = cf::lock_acquire "exit_prepare:$exit";
2336
2337	# all this does is basically replace the /! path by	2780	# all this does is basically replace the /! path by
2338	# a new random map path (?random/...) with a seed	2781	# a new random map path (?random/...) with a seed
2339	# that depends on the exit object	2782	# that depends on the exit object
2340		2783
2341	my $rmp = parse_random_map_params $exit->msg;	2784	my $rmp = parse_random_map_params $exit->msg;
…		…
2343	if ($exit->map) {	2786	if ($exit->map) {
2344	$rmp->{region} = $exit->region->name;	2787	$rmp->{region} = $exit->region->name;
2345	$rmp->{origin_map} = $exit->map->path;	2788	$rmp->{origin_map} = $exit->map->path;
2346	$rmp->{origin_x} = $exit->x;	2789	$rmp->{origin_x} = $exit->x;
2347	$rmp->{origin_y} = $exit->y;	2790	$rmp->{origin_y} = $exit->y;
		2791
		2792	$exit->map->touch;
2348	}	2793	}
2349		2794
2350	$rmp->{random_seed} ||= $exit->random_seed;	2795	$rmp->{random_seed} ||= $exit->random_seed;
2351		2796
2352	my $data = cf::to_json $rmp;	2797	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2353	my $md5 = Digest::MD5::md5_hex $data;	2798	my $md5 = Digest::MD5::md5_hex $data;
2354	my $meta = "$RANDOMDIR/$md5.meta";	2799	my $meta = "$RANDOMDIR/$md5.meta";
2355		2800
2356	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2801	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2357	aio_write $fh, 0, (length $data), $data, 0;	2802	aio_write $fh, 0, (length $data), $data, 0;
2358	undef $fh;	2803	undef $fh;
2359	aio_rename "$meta~", $meta;	2804	aio_rename "$meta~", $meta;
2360		2805
		2806	my $slaying = "?random/$md5";
		2807
		2808	if ($exit->valid) {
2361	$exit->slaying ("?random/$md5");	2809	$exit->slaying ("?random/$md5");
2362	$exit->msg (undef);	2810	$exit->msg (undef);
		2811	}
2363	}	2812	}
2364	}	2813	}
2365		2814
2366	sub cf::object::player::enter_exit {	2815	sub cf::object::player::enter_exit {
2367	my ($self, $exit) = @_;	2816	my ($self, $exit) = @_;
2368		2817
2369	return unless $self->type == cf::PLAYER;	2818	return unless $self->type == cf::PLAYER;
2370		2819
2371	if ($exit->slaying eq "/!") {
2372	#TODO: this should de-fi-ni-te-ly not be a sync-job
2373	# the problem is that $exit might not survive long enough
2374	# so it needs to be done right now, right here
2375	cf::sync_job { prepare_random_map $exit };
2376	}
2377
2378	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2379	my $hp = $exit->stats->hp;
2380	my $sp = $exit->stats->sp;
2381
2382	$self->enter_link;	2820	$self->enter_link;
2383		2821
2384	# if exit is damned, update players death & WoR home-position
2385	$self->contr->savebed ($slaying, $hp, $sp)
2386	if $exit->flag (FLAG_DAMNED);
2387
2388	(async {	2822	(async {
2389	$self->deactivate_recursive; # just to be sure	2823	$Coro::current->{desc} = "enter_exit";
		2824
2390	unless (eval {	2825	unless (eval {
		2826	$self->deactivate_recursive; # just to be sure
		2827
		2828	# random map handling
		2829	{
		2830	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2831
		2832	prepare_random_map $exit
		2833	if $exit->slaying eq "/!";
		2834	}
		2835
		2836	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2837	my $x = $exit->stats->hp;
		2838	my $y = $exit->stats->sp;
		2839
2391	$self->goto ($slaying, $hp, $sp);	2840	$self->goto ($map, $x, $y);
2392		2841
		2842	# if exit is damned, update players death & WoR home-position
		2843	$self->contr->savebed ($map, $x, $y)
		2844	if $exit->flag (cf::FLAG_DAMNED);
		2845
2393	1;	2846	1
2394	}) {	2847	}) {
2395	$self->message ("Something went wrong deep within the crossfire server. "	2848	$self->message ("Something went wrong deep within the deliantra server. "
2396	. "I'll try to bring you back to the map you were before. "	2849	. "I'll try to bring you back to the map you were before. "
2397	. "Please report this to the dungeon master!",	2850	. "Please report this to the dungeon master!",
2398	cf::NDI_UNIQUE | cf::NDI_RED);	2851	cf::NDI_UNIQUE | cf::NDI_RED);
2399		2852
2400	warn "ERROR in enter_exit: $@";	2853	warn "ERROR in enter_exit: $@";
…		…
2419		2872
2420	utf8::encode $text;	2873	utf8::encode $text;
2421	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2874	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2422	}	2875	}
2423		2876
		2877	=item $client->send_big_packet ($pkt)
		2878
		2879	Like C<send_packet>, but tries to compress large packets, and fragments
		2880	them as required.
		2881
		2882	=cut
		2883
		2884	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2885
		2886	sub cf::client::send_big_packet {
		2887	my ($self, $pkt) = @_;
		2888
		2889	# try lzf for large packets
		2890	$pkt = "lzf " . Compress::LZF::compress $pkt
		2891	if 1024 <= length $pkt and $self->{can_lzf};
		2892
		2893	# split very large packets
		2894	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2895	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2896	$pkt = "frag";
		2897	}
		2898
		2899	$self->send_packet ($pkt);
		2900	}
		2901
2424	=item $client->send_msg ($color, $type, $msg, [extra...])	2902	=item $client->send_msg ($channel, $msg, $color, [extra...])
2425		2903
2426	Send a drawinfo or msg packet to the client, formatting the msg for the	2904	Send a drawinfo or msg packet to the client, formatting the msg for the
2427	client if neccessary. C<$type> should be a string identifying the type of	2905	client if neccessary. C<$type> should be a string identifying the type of
2428	the message, with C<log> being the default. If C<$color> is negative, suppress	2906	the message, with C<log> being the default. If C<$color> is negative, suppress
2429	the message unless the client supports the msg packet.	2907	the message unless the client supports the msg packet.
2430		2908
2431	=cut	2909	=cut
2432		2910
		2911	# non-persistent channels (usually the info channel)
		2912	our %CHANNEL = (
		2913	"c/motd" => {
		2914	id => "infobox",
		2915	title => "MOTD",
		2916	reply => undef,
		2917	tooltip => "The message of the day",
		2918	},
		2919	"c/identify" => {
		2920	id => "infobox",
		2921	title => "Identify",
		2922	reply => undef,
		2923	tooltip => "Items recently identified",
		2924	},
		2925	"c/examine" => {
		2926	id => "infobox",
		2927	title => "Examine",
		2928	reply => undef,
		2929	tooltip => "Signs and other items you examined",
		2930	},
		2931	"c/shopinfo" => {
		2932	id => "infobox",
		2933	title => "Shop Info",
		2934	reply => undef,
		2935	tooltip => "What your bargaining skill tells you about the shop",
		2936	},
		2937	"c/book" => {
		2938	id => "infobox",
		2939	title => "Book",
		2940	reply => undef,
		2941	tooltip => "The contents of a note or book",
		2942	},
		2943	"c/lookat" => {
		2944	id => "infobox",
		2945	title => "Look",
		2946	reply => undef,
		2947	tooltip => "What you saw there",
		2948	},
		2949	"c/who" => {
		2950	id => "infobox",
		2951	title => "Players",
		2952	reply => undef,
		2953	tooltip => "Shows players who are currently online",
		2954	},
		2955	"c/body" => {
		2956	id => "infobox",
		2957	title => "Body Parts",
		2958	reply => undef,
		2959	tooltip => "Shows which body parts you posess and are available",
		2960	},
		2961	"c/statistics" => {
		2962	id => "infobox",
		2963	title => "Statistics",
		2964	reply => undef,
		2965	tooltip => "Shows your primary statistics",
		2966	},
		2967	"c/skills" => {
		2968	id => "infobox",
		2969	title => "Skills",
		2970	reply => undef,
		2971	tooltip => "Shows your experience per skill and item power",
		2972	},
		2973	"c/shopitems" => {
		2974	id => "infobox",
		2975	title => "Shop Items",
		2976	reply => undef,
		2977	tooltip => "Shows the items currently for sale in this shop",
		2978	},
		2979	"c/resistances" => {
		2980	id => "infobox",
		2981	title => "Resistances",
		2982	reply => undef,
		2983	tooltip => "Shows your resistances",
		2984	},
		2985	"c/pets" => {
		2986	id => "infobox",
		2987	title => "Pets",
		2988	reply => undef,
		2989	tooltip => "Shows information abotu your pets/a specific pet",
		2990	},
		2991	"c/perceiveself" => {
		2992	id => "infobox",
		2993	title => "Perceive Self",
		2994	reply => undef,
		2995	tooltip => "You gained detailed knowledge about yourself",
		2996	},
		2997	"c/uptime" => {
		2998	id => "infobox",
		2999	title => "Uptime",
		3000	reply => undef,
		3001	tooltip => "How long the server has been running since last restart",
		3002	},
		3003	"c/mapinfo" => {
		3004	id => "infobox",
		3005	title => "Map Info",
		3006	reply => undef,
		3007	tooltip => "Information related to the maps",
		3008	},
		3009	"c/party" => {
		3010	id => "party",
		3011	title => "Party",
		3012	reply => "gsay ",
		3013	tooltip => "Messages and chat related to your party",
		3014	},
		3015	"c/death" => {
		3016	id => "death",
		3017	title => "Death",
		3018	reply => undef,
		3019	tooltip => "Reason for and more info about your most recent death",
		3020	},
		3021	"c/say" => $SAY_CHANNEL,
		3022	"c/chat" => $CHAT_CHANNEL,
		3023	);
		3024
2433	sub cf::client::send_msg {	3025	sub cf::client::send_msg {
2434	my ($self, $color, $type, $msg, @extra) = @_;	3026	my ($self, $channel, $msg, $color, @extra) = @_;
2435		3027
2436	$msg = $self->pl->expand_cfpod ($msg);	3028	$msg = $self->pl->expand_cfpod ($msg)
		3029	unless $color & cf::NDI_VERBATIM;
		3030
		3031	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3032
		3033	# check predefined channels, for the benefit of C
		3034	if ($CHANNEL{$channel}) {
		3035	$channel = $CHANNEL{$channel};
		3036
		3037	$self->ext_msg (channel_info => $channel);
		3038	$channel = $channel->{id};
		3039
		3040	} elsif (ref $channel) {
		3041	# send meta info to client, if not yet sent
		3042	unless (exists $self->{channel}{$channel->{id}}) {
		3043	$self->{channel}{$channel->{id}} = $channel;
		3044	$self->ext_msg (channel_info => $channel);
		3045	}
		3046
		3047	$channel = $channel->{id};
		3048	}
2437		3049
2438	return unless @extra || length $msg;	3050	return unless @extra || length $msg;
2439		3051
2440	if ($self->can_msg) {	3052	# default colour, mask it out
2441	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	3053	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2442	} else {	3054	if $color & cf::NDI_DEF;
2443	# replace some tags by gcfclient-compatible ones
2444	for ($msg) {
2445	1 while
2446	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2447	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2448	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2449	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2450	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2451	}
2452		3055
2453	if ($color >= 0) {	3056	my $pkt = "msg "
2454	if (0 && $msg =~ /\[/) {	3057	. $self->{json_coder}->encode (
2455	$self->send_packet ("drawextinfo $color 4 0 $msg")	3058	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2456	} else {	3059	);
2457	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2458	$self->send_packet ("drawinfo $color $msg")
2459	}
2460	}
2461	}
2462	}
2463		3060
		3061	$self->send_big_packet ($pkt);
		3062	}
		3063
2464	=item $client->ext_event ($type, %msg)	3064	=item $client->ext_msg ($type, @msg)
2465		3065
2466	Sends an ext event to the client.	3066	Sends an ext event to the client.
2467		3067
2468	=cut	3068	=cut
2469		3069
2470	sub cf::client::ext_event($$%) {	3070	sub cf::client::ext_msg($$@) {
2471	my ($self, $type, %msg) = @_;	3071	my ($self, $type, @msg) = @_;
2472		3072
2473	return unless $self->extcmd;	3073	if ($self->extcmd == 2) {
2474		3074	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3075	} elsif ($self->extcmd == 1) { # TODO: remove
2475	$msg{msgtype} = "event_$type";	3076	push @msg, msgtype => "event_$type";
2476	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3077	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3078	}
		3079	}
		3080
		3081	=item $client->ext_reply ($msgid, @msg)
		3082
		3083	Sends an ext reply to the client.
		3084
		3085	=cut
		3086
		3087	sub cf::client::ext_reply($$@) {
		3088	my ($self, $id, @msg) = @_;
		3089
		3090	if ($self->extcmd == 2) {
		3091	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3092	} elsif ($self->extcmd == 1) {
		3093	#TODO: version 1, remove
		3094	unshift @msg, msgtype => "reply", msgid => $id;
		3095	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3096	}
2477	}	3097	}
2478		3098
2479	=item $success = $client->query ($flags, "text", \&cb)	3099	=item $success = $client->query ($flags, "text", \&cb)
2480		3100
2481	Queues a query to the client, calling the given callback with	3101	Queues a query to the client, calling the given callback with
…		…
2536	my ($ns, $buf) = @_;	3156	my ($ns, $buf) = @_;
2537		3157
2538	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3158	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2539		3159
2540	if (ref $msg) {	3160	if (ref $msg) {
		3161	my ($type, $reply, @payload) =
		3162	"ARRAY" eq ref $msg
		3163	? @$msg
		3164	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3165
		3166	my @reply;
		3167
2541	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3168	if (my $cb = $EXTICMD{$type}) {
2542	if (my %reply = $cb->($ns, $msg)) {	3169	@reply = $cb->($ns, @payload);
2543	$reply{msgid} = $msg->{msgid};
2544	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2545	}
2546	}	3170	}
		3171
		3172	$ns->ext_reply ($reply, @reply)
		3173	if $reply;
		3174
2547	} else {	3175	} else {
2548	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3176	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2549	}	3177	}
2550		3178
2551	cf::override;	3179	cf::override;
…		…
2573		3201
2574	$coro	3202	$coro
2575	}	3203	}
2576		3204
2577	cf::client->attach (	3205	cf::client->attach (
2578	on_destroy => sub {	3206	on_client_destroy => sub {
2579	my ($ns) = @_;	3207	my ($ns) = @_;
2580		3208
2581	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3209	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2582	},	3210	},
2583	);	3211	);
…		…
2598	our $safe = new Safe "safe";	3226	our $safe = new Safe "safe";
2599	our $safe_hole = new Safe::Hole;	3227	our $safe_hole = new Safe::Hole;
2600		3228
2601	$SIG{FPE} = 'IGNORE';	3229	$SIG{FPE} = 'IGNORE';
2602		3230
2603	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3231	$safe->permit_only (Opcode::opset qw(
		3232	:base_core :base_mem :base_orig :base_math :base_loop
		3233	grepstart grepwhile mapstart mapwhile
		3234	sort time
		3235	));
2604		3236
2605	# here we export the classes and methods available to script code	3237	# here we export the classes and methods available to script code
2606		3238
2607	=pod	3239	=pod
2608		3240
2609	The following functions and methods are available within a safe environment:	3241	The following functions and methods are available within a safe environment:
2610		3242
2611	cf::object	3243	cf::object
2612	contr pay_amount pay_player map x y force_find force_add	3244	contr pay_amount pay_player map x y force_find force_add destroy
2613	insert remove	3245	insert remove name archname title slaying race decrease split
		3246	value
2614		3247
2615	cf::object::player	3248	cf::object::player
2616	player	3249	player
2617		3250
2618	cf::player	3251	cf::player
…		…
2623		3256
2624	=cut	3257	=cut
2625		3258
2626	for (	3259	for (
2627	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3260	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2628	insert remove)],	3261	insert remove inv nrof name archname title slaying race
		3262	decrease split destroy change_exp value msg lore send_msg)],
2629	["cf::object::player" => qw(player)],	3263	["cf::object::player" => qw(player)],
2630	["cf::player" => qw(peaceful)],	3264	["cf::player" => qw(peaceful send_msg)],
2631	["cf::map" => qw(trigger)],	3265	["cf::map" => qw(trigger)],
2632	) {	3266	) {
2633	no strict 'refs';	3267	no strict 'refs';
2634	my ($pkg, @funs) = @$_;	3268	my ($pkg, @funs) = @$_;
2635	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3269	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2653		3287
2654	my $qcode = $code;	3288	my $qcode = $code;
2655	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3289	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2656	$qcode =~ s/\n/\\n/g;	3290	$qcode =~ s/\n/\\n/g;
2657		3291
		3292	%vars = (_dummy => 0) unless %vars;
		3293
		3294	my @res;
2658	local $_;	3295	local $_;
2659	local @safe::cf::_safe_eval_args = values %vars;
2660		3296
2661	my $eval =	3297	my $eval =
2662	"do {\n"	3298	"do {\n"
2663	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3299	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2664	. "#line 0 \"{$qcode}\"\n"	3300	. "#line 0 \"{$qcode}\"\n"
2665	. $code	3301	. $code
2666	. "\n}"	3302	. "\n}"
2667	;	3303	;
2668		3304
		3305	if ($CFG{safe_eval}) {
2669	sub_generation_inc;	3306	sub_generation_inc;
		3307	local @safe::cf::_safe_eval_args = values %vars;
2670	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3308	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2671	sub_generation_inc;	3309	sub_generation_inc;
		3310	} else {
		3311	local @cf::_safe_eval_args = values %vars;
		3312	@res = wantarray ? eval eval : scalar eval $eval;
		3313	}
2672		3314
2673	if ($@) {	3315	if ($@) {
2674	warn "$@";	3316	warn "$@";
2675	warn "while executing safe code '$code'\n";	3317	warn "while executing safe code '$code'\n";
2676	warn "with arguments " . (join " ", %vars) . "\n";	3318	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2695	=cut	3337	=cut
2696		3338
2697	sub register_script_function {	3339	sub register_script_function {
2698	my ($fun, $cb) = @_;	3340	my ($fun, $cb) = @_;
2699		3341
2700	no strict 'refs';	3342	$fun = "safe::$fun" if $CFG{safe_eval};
2701	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3343	*$fun = $safe_hole->wrap ($cb);
2702	}	3344	}
2703		3345
2704	=back	3346	=back
2705		3347
2706	=cut	3348	=cut
…		…
2708	#############################################################################	3350	#############################################################################
2709	# the server's init and main functions	3351	# the server's init and main functions
2710		3352
2711	sub load_facedata($) {	3353	sub load_facedata($) {
2712	my ($path) = @_;	3354	my ($path) = @_;
		3355
		3356	# HACK to clear player env face cache, we need some signal framework
		3357	# for this (global event?)
		3358	%ext::player_env::MUSIC_FACE_CACHE = ();
		3359
		3360	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2713		3361
2714	warn "loading facedata from $path\n";	3362	warn "loading facedata from $path\n";
2715		3363
2716	my $facedata;	3364	my $facedata;
2717	0 < aio_load $path, $facedata	3365	0 < aio_load $path, $facedata
…		…
2720	$facedata = Coro::Storable::thaw $facedata;	3368	$facedata = Coro::Storable::thaw $facedata;
2721		3369
2722	$facedata->{version} == 2	3370	$facedata->{version} == 2
2723	or cf::cleanup "$path: version mismatch, cannot proceed.";	3371	or cf::cleanup "$path: version mismatch, cannot proceed.";
2724		3372
		3373	# patch in the exptable
		3374	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3375	$facedata->{resource}{"res/exp_table"} = {
		3376	type => FT_RSRC,
		3377	data => $exp_table,
		3378	hash => (Digest::MD5::md5 $exp_table),
		3379	};
		3380	cf::cede_to_tick;
		3381
2725	{	3382	{
2726	my $faces = $facedata->{faceinfo};	3383	my $faces = $facedata->{faceinfo};
2727		3384
2728	while (my ($face, $info) = each %$faces) {	3385	while (my ($face, $info) = each %$faces) {
2729	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3386	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3387
2730	cf::face::set_visibility $idx, $info->{visibility};	3388	cf::face::set_visibility $idx, $info->{visibility};
2731	cf::face::set_magicmap $idx, $info->{magicmap};	3389	cf::face::set_magicmap $idx, $info->{magicmap};
2732	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3390	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2733	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3391	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2734		3392
2735	cf::cede_to_tick;	3393	cf::cede_to_tick;
2736	}	3394	}
2737		3395
2738	while (my ($face, $info) = each %$faces) {	3396	while (my ($face, $info) = each %$faces) {
2739	next unless $info->{smooth};	3397	next unless $info->{smooth};
		3398
2740	my $idx = cf::face::find $face	3399	my $idx = cf::face::find $face
2741	or next;	3400	or next;
		3401
2742	if (my $smooth = cf::face::find $info->{smooth}) {	3402	if (my $smooth = cf::face::find $info->{smooth}) {
2743	cf::face::set_smooth $idx, $smooth;	3403	cf::face::set_smooth $idx, $smooth;
2744	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3404	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2745	} else {	3405	} else {
2746	warn "smooth face '$info->{smooth}' not found for face '$face'";	3406	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2760		3420
2761	cf::anim::invalidate_all; # d'oh	3421	cf::anim::invalidate_all; # d'oh
2762	}	3422	}
2763		3423
2764	{	3424	{
2765	# TODO: for gcfclient pleasure, we should give resources
2766	# that gcfclient doesn't grok a >10000 face index.
2767	my $res = $facedata->{resource};	3425	my $res = $facedata->{resource};
2768	my $enc = JSON::XS->new->utf8->canonical;
2769		3426
2770	while (my ($name, $info) = each %$res) {	3427	while (my ($name, $info) = each %$res) {
2771	my $meta = $enc->encode ({	3428	if (defined $info->{type}) {
2772	name => $name,
2773	type => $info->{type},
2774	copyright => $info->{copyright}, #TODO#
2775	});
2776	my $data = pack "(w/a*)*", $meta, $info->{data};
2777	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2778
2779	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3429	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3430
		3431	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
2780	cf::face::set_type $idx, 1;	3432	cf::face::set_type $idx, $info->{type};
2781	cf::face::set_data $idx, 0, $data, $chk;	3433	} else {
		3434	$RESOURCE{$name} = $info;
		3435	}
2782		3436
2783	cf::cede_to_tick;	3437	cf::cede_to_tick;
2784	}	3438	}
2785	}	3439	}
2786		3440
		3441	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3442
2787	1	3443	1
2788	}	3444	}
2789		3445
		3446	cf::global->attach (on_resource_update => sub {
		3447	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3448	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3449
		3450	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3451	my $sound = $soundconf->{compat}[$_]
		3452	or next;
		3453
		3454	my $face = cf::face::find "sound/$sound->[1]";
		3455	cf::sound::set $sound->[0] => $face;
		3456	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3457	}
		3458
		3459	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3460	my $face = cf::face::find "sound/$v";
		3461	cf::sound::set $k => $face;
		3462	}
		3463	}
		3464	});
		3465
		3466	register_exticmd fx_want => sub {
		3467	my ($ns, $want) = @_;
		3468
		3469	while (my ($k, $v) = each %$want) {
		3470	$ns->fx_want ($k, $v);
		3471	}
		3472	};
		3473
		3474	sub load_resource_file($) {
		3475	my $guard = lock_acquire "load_resource_file";
		3476
		3477	my $status = load_resource_file_ $_[0];
		3478	get_slot 0.1, 100;
		3479	cf::arch::commit_load;
		3480
		3481	$status
		3482	}
		3483
2790	sub reload_regions {	3484	sub reload_regions {
		3485	# HACK to clear player env face cache, we need some signal framework
		3486	# for this (global event?)
		3487	%ext::player_env::MUSIC_FACE_CACHE = ();
		3488
2791	load_resource_file "$MAPDIR/regions"	3489	load_resource_file "$MAPDIR/regions"
2792	or die "unable to load regions file\n";	3490	or die "unable to load regions file\n";
2793		3491
2794	for (cf::region::list) {	3492	for (cf::region::list) {
2795	$_->{match} = qr/$_->{match}/	3493	$_->{match} = qr/$_->{match}/
…		…
2803	}	3501	}
2804		3502
2805	sub reload_archetypes {	3503	sub reload_archetypes {
2806	load_resource_file "$DATADIR/archetypes"	3504	load_resource_file "$DATADIR/archetypes"
2807	or die "unable to load archetypes\n";	3505	or die "unable to load archetypes\n";
2808	#d# NEED to laod twice to resolve forward references
2809	# this really needs to be done in an extra post-pass
2810	# (which needs to be synchronous, so solve it differently)
2811	load_resource_file "$DATADIR/archetypes"
2812	or die "unable to load archetypes\n";
2813	}	3506	}
2814		3507
2815	sub reload_treasures {	3508	sub reload_treasures {
2816	load_resource_file "$DATADIR/treasures"	3509	load_resource_file "$DATADIR/treasures"
2817	or die "unable to load treasurelists\n";	3510	or die "unable to load treasurelists\n";
2818	}	3511	}
2819		3512
2820	sub reload_resources {	3513	sub reload_resources {
2821	warn "reloading resource files...\n";	3514	warn "reloading resource files...\n";
2822		3515
		3516	reload_facedata;
		3517	reload_archetypes;
2823	reload_regions;	3518	reload_regions;
2824	reload_facedata;
2825	#reload_archetypes;#d#
2826	reload_archetypes;
2827	reload_treasures;	3519	reload_treasures;
2828		3520
2829	warn "finished reloading resource files\n";	3521	warn "finished reloading resource files\n";
2830	}	3522	}
2831		3523
2832	sub init {	3524	sub reload_config {
2833	reload_resources;	3525	warn "reloading config file...\n";
2834	}
2835		3526
2836	sub cfg_load {
2837	open my $fh, "<:utf8", "$CONFDIR/config"	3527	open my $fh, "<:utf8", "$CONFDIR/config"
2838	or return;	3528	or return;
2839		3529
2840	local $/;	3530	local $/;
2841	*CFG = YAML::Syck::Load <$fh>;	3531	*CFG = YAML::XS::Load scalar <$fh>;
2842		3532
2843	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3533	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2844		3534
2845	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3535	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2846	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3536	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2847		3537
2848	if (exists $CFG{mlockall}) {	3538	if (exists $CFG{mlockall}) {
…		…
2850	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3540	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2851	and die "WARNING: m(un)lockall failed: $!\n";	3541	and die "WARNING: m(un)lockall failed: $!\n";
2852	};	3542	};
2853	warn $@ if $@;	3543	warn $@ if $@;
2854	}	3544	}
		3545
		3546	warn "finished reloading resource files\n";
		3547	}
		3548
		3549	sub pidfile() {
		3550	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3551	or die "$PIDFILE: $!";
		3552	flock $fh, &Fcntl::LOCK_EX
		3553	or die "$PIDFILE: flock: $!";
		3554	$fh
		3555	}
		3556
		3557	# make sure only one server instance is running at any one time
		3558	sub atomic {
		3559	my $fh = pidfile;
		3560
		3561	my $pid = <$fh>;
		3562	kill 9, $pid if $pid > 0;
		3563
		3564	seek $fh, 0, 0;
		3565	print $fh $$;
		3566	}
		3567
		3568	sub main_loop {
		3569	warn "EV::loop starting\n";
		3570	if (1) {
		3571	EV::loop;
		3572	}
		3573	warn "EV::loop returned\n";
		3574	goto &main_loop unless $REALLY_UNLOOP;
2855	}	3575	}
2856		3576
2857	sub main {	3577	sub main {
		3578	cf::init_globals; # initialise logging
		3579
		3580	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3581	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3582	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3583	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3584
		3585	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3586
2858	# we must not ever block the main coroutine	3587	# we must not ever block the main coroutine
2859	local $Coro::idle = sub {	3588	local $Coro::idle = sub {
2860	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3589	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2861	(async {	3590	(async {
2862	Event::one_event;	3591	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3592	EV::loop EV::LOOP_ONESHOT;
2863	})->prio (Coro::PRIO_MAX);	3593	})->prio (Coro::PRIO_MAX);
2864	};	3594	};
2865		3595
2866	cfg_load;	3596	evthread_start IO::AIO::poll_fileno;
		3597
		3598	cf::sync_job {
		3599	cf::init_experience;
		3600	cf::init_anim;
		3601	cf::init_attackmess;
		3602	cf::init_dynamic;
		3603
		3604	cf::load_settings;
		3605	cf::load_materials;
		3606
		3607	reload_resources;
		3608	reload_config;
2867	db_init;	3609	db_init;
		3610
		3611	cf::init_uuid;
		3612	cf::init_signals;
		3613	cf::init_skills;
		3614
		3615	cf::init_beforeplay;
		3616
		3617	atomic;
		3618
2868	load_extensions;	3619	load_extensions;
2869		3620
2870	$TICK_WATCHER->start;	3621	utime time, time, $RUNTIMEFILE;
2871	Event::loop;	3622
		3623	# no (long-running) fork's whatsoever before this point(!)
		3624	use POSIX ();
		3625	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3626
		3627	(pop @POST_INIT)->(0) while @POST_INIT;
		3628	};
		3629
		3630	cf::object::thawer::errors_are_fatal 0;
		3631	warn "parse errors in files are no longer fatal from this point on.\n";
		3632
		3633	main_loop;
2872	}	3634	}
2873		3635
2874	#############################################################################	3636	#############################################################################
2875	# initialisation and cleanup	3637	# initialisation and cleanup
2876		3638
2877	# install some emergency cleanup handlers	3639	# install some emergency cleanup handlers
2878	BEGIN {	3640	BEGIN {
		3641	our %SIGWATCHER = ();
2879	for my $signal (qw(INT HUP TERM)) {	3642	for my $signal (qw(INT HUP TERM)) {
2880	Event->signal (	3643	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2881	reentrant => 0,
2882	data => WF_AUTOCANCEL,
2883	signal => $signal,
2884	prio => 0,
2885	cb => sub {
2886	cf::cleanup "SIG$signal";	3644	cf::cleanup "SIG$signal";
2887	},
2888	);	3645	};
2889	}	3646	}
2890	}	3647	}
2891		3648
2892	sub write_runtime {	3649	sub write_runtime_sync {
2893	my $runtime = "$LOCALDIR/runtime";	3650	my $t0 = AE::time;
2894		3651
2895	# first touch the runtime file to show we are still running:	3652	# first touch the runtime file to show we are still running:
2896	# the fsync below can take a very very long time.	3653	# the fsync below can take a very very long time.
2897		3654
2898	IO::AIO::aio_utime $runtime, undef, undef;	3655	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2899		3656
2900	my $guard = cf::lock_acquire "write_runtime";	3657	my $guard = cf::lock_acquire "write_runtime";
2901		3658
2902	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3659	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2903	or return;	3660	or return;
2904		3661
2905	my $value = $cf::RUNTIME + 90 + 10;	3662	my $value = $cf::RUNTIME + 90 + 10;
2906	# 10 is the runtime save interval, for a monotonic clock	3663	# 10 is the runtime save interval, for a monotonic clock
2907	# 60 allows for the watchdog to kill the server.	3664	# 60 allows for the watchdog to kill the server.
…		…
2917	aio_utime $fh, undef, undef;	3674	aio_utime $fh, undef, undef;
2918		3675
2919	close $fh	3676	close $fh
2920	or return;	3677	or return;
2921		3678
2922	aio_rename "$runtime~", $runtime	3679	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2923	and return;	3680	and return;
2924		3681
2925	warn "runtime file written.\n";	3682	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
2926		3683
2927	1	3684	1
		3685	}
		3686
		3687	our $uuid_lock;
		3688	our $uuid_skip;
		3689
		3690	sub write_uuid_sync($) {
		3691	$uuid_skip ||= $_[0];
		3692
		3693	return if $uuid_lock;
		3694	local $uuid_lock = 1;
		3695
		3696	my $uuid = "$LOCALDIR/uuid";
		3697
		3698	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3699	or return;
		3700
		3701	my $value = uuid_seq uuid_cur;
		3702
		3703	unless ($value) {
		3704	warn "cowardly refusing to write zero uuid value!\n";
		3705	return;
		3706	}
		3707
		3708	my $value = uuid_str $value + $uuid_skip;
		3709	$uuid_skip = 0;
		3710
		3711	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3712	and return;
		3713
		3714	# always fsync - this file is important
		3715	aio_fsync $fh
		3716	and return;
		3717
		3718	close $fh
		3719	or return;
		3720
		3721	aio_rename "$uuid~", $uuid
		3722	and return;
		3723
		3724	warn "uuid file written ($value).\n";
		3725
		3726	1
		3727
		3728	}
		3729
		3730	sub write_uuid($$) {
		3731	my ($skip, $sync) = @_;
		3732
		3733	$sync ? write_uuid_sync $skip
		3734	: async { write_uuid_sync $skip };
2928	}	3735	}
2929		3736
2930	sub emergency_save() {	3737	sub emergency_save() {
2931	my $freeze_guard = cf::freeze_mainloop;	3738	my $freeze_guard = cf::freeze_mainloop;
2932		3739
2933	warn "enter emergency perl save\n";	3740	warn "emergency_perl_save: enter\n";
2934		3741
2935	cf::sync_job {	3742	cf::sync_job {
		3743	# this is a trade-off: we want to be very quick here, so
		3744	# save all maps without fsync, and later call a global sync
		3745	# (which in turn might be very very slow)
		3746	local $USE_FSYNC = 0;
		3747
2936	# use a peculiar iteration method to avoid tripping on perl	3748	# use a peculiar iteration method to avoid tripping on perl
2937	# refcount bugs in for. also avoids problems with players	3749	# refcount bugs in for. also avoids problems with players
2938	# and maps saved/destroyed asynchronously.	3750	# and maps saved/destroyed asynchronously.
2939	warn "begin emergency player save\n";	3751	warn "emergency_perl_save: begin player save\n";
2940	for my $login (keys %cf::PLAYER) {	3752	for my $login (keys %cf::PLAYER) {
2941	my $pl = $cf::PLAYER{$login} or next;	3753	my $pl = $cf::PLAYER{$login} or next;
2942	$pl->valid or next;	3754	$pl->valid or next;
		3755	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2943	$pl->save;	3756	$pl->save;
2944	}	3757	}
2945	warn "end emergency player save\n";	3758	warn "emergency_perl_save: end player save\n";
2946		3759
2947	warn "begin emergency map save\n";	3760	warn "emergency_perl_save: begin map save\n";
2948	for my $path (keys %cf::MAP) {	3761	for my $path (keys %cf::MAP) {
2949	my $map = $cf::MAP{$path} or next;	3762	my $map = $cf::MAP{$path} or next;
2950	$map->valid or next;	3763	$map->valid or next;
2951	$map->save;	3764	$map->save;
2952	}	3765	}
2953	warn "end emergency map save\n";	3766	warn "emergency_perl_save: end map save\n";
2954		3767
2955	warn "begin emergency database checkpoint\n";	3768	warn "emergency_perl_save: begin database checkpoint\n";
2956	BDB::db_env_txn_checkpoint $DB_ENV;	3769	BDB::db_env_txn_checkpoint $DB_ENV;
2957	warn "end emergency database checkpoint\n";	3770	warn "emergency_perl_save: end database checkpoint\n";
		3771
		3772	warn "emergency_perl_save: begin write uuid\n";
		3773	write_uuid_sync 1;
		3774	warn "emergency_perl_save: end write uuid\n";
2958	};	3775	};
2959		3776
		3777	warn "emergency_perl_save: starting sync()\n";
		3778	IO::AIO::aio_sync sub {
		3779	warn "emergency_perl_save: finished sync()\n";
		3780	};
		3781
2960	warn "leave emergency perl save\n";	3782	warn "emergency_perl_save: leave\n";
2961	}	3783	}
2962		3784
2963	sub post_cleanup {	3785	sub post_cleanup {
2964	my ($make_core) = @_;	3786	my ($make_core) = @_;
2965		3787
2966	warn Carp::longmess "post_cleanup backtrace"	3788	warn Carp::longmess "post_cleanup backtrace"
2967	if $make_core;	3789	if $make_core;
		3790
		3791	my $fh = pidfile;
		3792	unlink $PIDFILE if <$fh> == $$;
		3793	}
		3794
		3795	# a safer delete_package, copied from Symbol
		3796	sub clear_package($) {
		3797	my $pkg = shift;
		3798
		3799	# expand to full symbol table name if needed
		3800	unless ($pkg =~ /^main::.*::$/) {
		3801	$pkg = "main$pkg" if $pkg =~ /^::/;
		3802	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3803	$pkg .= '::' unless $pkg =~ /::$/;
		3804	}
		3805
		3806	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3807	my $stem_symtab = *{$stem}{HASH};
		3808
		3809	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3810	or return;
		3811
		3812	# clear all symbols
		3813	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3814	for my $name (keys %$leaf_symtab) {
		3815	_gv_clear *{"$pkg$name"};
		3816	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3817	}
2968	}	3818	}
2969		3819
2970	sub do_reload_perl() {	3820	sub do_reload_perl() {
2971	# can/must only be called in main	3821	# can/must only be called in main
2972	if ($Coro::current != $Coro::main) {	3822	if (in_main) {
2973	warn "can only reload from main coroutine";	3823	warn "can only reload from main coroutine";
2974	return;	3824	return;
2975	}	3825	}
2976		3826
		3827	return if $RELOAD++;
		3828
		3829	my $t1 = AE::time;
		3830
		3831	while ($RELOAD) {
2977	warn "reloading...";	3832	warn "reloading...";
2978		3833
2979	warn "entering sync_job";	3834	warn "entering sync_job";
2980		3835
2981	cf::sync_job {	3836	cf::sync_job {
2982	cf::write_runtime; # external watchdog should not bark	3837	cf::write_runtime_sync; # external watchdog should not bark
2983	cf::emergency_save;	3838	cf::emergency_save;
2984	cf::write_runtime; # external watchdog should not bark	3839	cf::write_runtime_sync; # external watchdog should not bark
2985		3840
2986	warn "syncing database to disk";	3841	warn "syncing database to disk";
2987	BDB::db_env_txn_checkpoint $DB_ENV;	3842	BDB::db_env_txn_checkpoint $DB_ENV;
2988		3843
2989	# if anything goes wrong in here, we should simply crash as we already saved	3844	# if anything goes wrong in here, we should simply crash as we already saved
2990		3845
2991	warn "cancelling all WF_AUTOCANCEL watchers";
2992	for (Event::all_watchers) {
2993	$_->cancel if $_->data & WF_AUTOCANCEL;
2994	}
2995
2996	warn "flushing outstanding aio requests";	3846	warn "flushing outstanding aio requests";
2997	for (;;) {
2998	BDB::flush;
2999	IO::AIO::flush;
3000	Coro::cede;
3001	last unless IO::AIO::nreqs || BDB::nreqs;	3847	while (IO::AIO::nreqs || BDB::nreqs) {
3002	warn "iterate...";	3848	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3003	}
3004
3005	++$RELOAD;
3006
3007	warn "cancelling all extension coros";
3008	$_->cancel for values %EXT_CORO;
3009	%EXT_CORO = ();
3010
3011	warn "removing commands";
3012	%COMMAND = ();
3013
3014	warn "removing ext/exti commands";
3015	%EXTCMD = ();
3016	%EXTICMD = ();
3017
3018	warn "unloading/nuking all extensions";
3019	for my $pkg (@EXTS) {
3020	warn "... unloading $pkg";
3021
3022	if (my $cb = $pkg->can ("unload")) {
3023	eval {
3024	$cb->($pkg);
3025	1
3026	} or warn "$pkg unloaded, but with errors: $@";
3027	}	3849	}
3028		3850
3029	warn "... nuking $pkg";	3851	warn "cancelling all extension coros";
3030	Symbol::delete_package $pkg;	3852	$_->cancel for values %EXT_CORO;
3031	}	3853	%EXT_CORO = ();
3032		3854
3033	warn "unloading all perl modules loaded from $LIBDIR";	3855	warn "removing commands";
3034	while (my ($k, $v) = each %INC) {	3856	%COMMAND = ();
3035	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3036		3857
		3858	warn "removing ext/exti commands";
		3859	%EXTCMD = ();
		3860	%EXTICMD = ();
		3861
		3862	warn "unloading/nuking all extensions";
		3863	for my $pkg (@EXTS) {
3037	warn "... unloading $k";	3864	warn "... unloading $pkg";
3038	delete $INC{$k};
3039		3865
3040	$k =~ s/\.pm$//;
3041	$k =~ s/\//::/g;
3042
3043	if (my $cb = $k->can ("unload_module")) {	3866	if (my $cb = $pkg->can ("unload")) {
		3867	eval {
3044	$cb->();	3868	$cb->($pkg);
		3869	1
		3870	} or warn "$pkg unloaded, but with errors: $@";
		3871	}
		3872
		3873	warn "... clearing $pkg";
		3874	clear_package $pkg;
3045	}	3875	}
3046		3876
3047	Symbol::delete_package $k;	3877	warn "unloading all perl modules loaded from $LIBDIR";
		3878	while (my ($k, $v) = each %INC) {
		3879	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3880
		3881	warn "... unloading $k";
		3882	delete $INC{$k};
		3883
		3884	$k =~ s/\.pm$//;
		3885	$k =~ s/\//::/g;
		3886
		3887	if (my $cb = $k->can ("unload_module")) {
		3888	$cb->();
		3889	}
		3890
		3891	clear_package $k;
3048	}	3892	}
3049		3893
3050	warn "getting rid of safe::, as good as possible";	3894	warn "getting rid of safe::, as good as possible";
3051	Symbol::delete_package "safe::$_"	3895	clear_package "safe::$_"
3052	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3896	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3053		3897
3054	warn "unloading cf.pm \"a bit\"";	3898	warn "unloading cf.pm \"a bit\"";
3055	delete $INC{"cf.pm"};	3899	delete $INC{"cf.pm"};
3056	delete $INC{"cf/pod.pm"};	3900	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3057		3901
3058	# don't, removes xs symbols, too,	3902	# don't, removes xs symbols, too,
3059	# and global variables created in xs	3903	# and global variables created in xs
3060	#Symbol::delete_package __PACKAGE__;	3904	#clear_package __PACKAGE__;
3061		3905
3062	warn "unload completed, starting to reload now";	3906	warn "unload completed, starting to reload now";
3063		3907
3064	warn "reloading cf.pm";	3908	warn "reloading cf.pm";
3065	require cf;	3909	require cf;
3066	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3910	cf::_connect_to_perl_1;
3067		3911
3068	warn "loading config and database again";	3912	warn "loading config and database again";
3069	cf::cfg_load;	3913	cf::reload_config;
3070		3914
3071	warn "loading extensions";	3915	warn "loading extensions";
3072	cf::load_extensions;	3916	cf::load_extensions;
3073		3917
		3918	if ($REATTACH_ON_RELOAD) {
3074	warn "reattaching attachments to objects/players";	3919	warn "reattaching attachments to objects/players";
3075	_global_reattach; # objects, sockets	3920	_global_reattach; # objects, sockets
3076	warn "reattaching attachments to maps";	3921	warn "reattaching attachments to maps";
3077	reattach $_ for values %MAP;	3922	reattach $_ for values %MAP;
3078	warn "reattaching attachments to players";	3923	warn "reattaching attachments to players";
3079	reattach $_ for values %PLAYER;	3924	reattach $_ for values %PLAYER;
		3925	}
3080		3926
		3927	warn "running post_init jobs";
		3928	(pop @POST_INIT)->(1) while @POST_INIT;
		3929
3081	warn "leaving sync_job";	3930	warn "leaving sync_job";
3082		3931
3083	1	3932	1
3084	} or do {	3933	} or do {
3085	warn $@;	3934	warn $@;
3086	warn "error while reloading, exiting.";	3935	cf::cleanup "error while reloading, exiting.";
3087	exit 1;
3088	};	3936	};
3089		3937
3090	warn "reloaded";	3938	warn "reloaded";
		3939	--$RELOAD;
		3940	}
		3941
		3942	$t1 = AE::time - $t1;
		3943	warn "reload completed in ${t1}s\n";
3091	};	3944	};
3092		3945
3093	our $RELOAD_WATCHER; # used only during reload	3946	our $RELOAD_WATCHER; # used only during reload
3094		3947
3095	sub reload_perl() {	3948	sub reload_perl() {
3096	# doing reload synchronously and two reloads happen back-to-back,	3949	# doing reload synchronously and two reloads happen back-to-back,
3097	# coro crashes during coro_state_free->destroy here.	3950	# coro crashes during coro_state_free->destroy here.
3098		3951
3099	$RELOAD_WATCHER ||= Event->timer (	3952	$RELOAD_WATCHER ||= cf::async {
3100	reentrant => 0,	3953	Coro::AIO::aio_wait cache_extensions;
3101	after => 0,	3954
3102	data => WF_AUTOCANCEL,	3955	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3103	cb => sub {
3104	do_reload_perl;	3956	do_reload_perl;
3105	undef $RELOAD_WATCHER;	3957	undef $RELOAD_WATCHER;
3106	},	3958	};
3107	);	3959	};
3108	}	3960	}
3109		3961
3110	register_command "reload" => sub {	3962	register_command "reload" => sub {
3111	my ($who, $arg) = @_;	3963	my ($who, $arg) = @_;
3112		3964
3113	if ($who->flag (FLAG_WIZ)) {	3965	if ($who->flag (FLAG_WIZ)) {
3114	$who->message ("reloading server.");	3966	$who->message ("reloading server.");
		3967	async {
		3968	$Coro::current->{desc} = "perl_reload";
3115	async { reload_perl };	3969	reload_perl;
		3970	};
3116	}	3971	}
3117	};	3972	};
3118		3973
3119	unshift @INC, $LIBDIR;	3974	unshift @INC, $LIBDIR;
3120		3975
…		…
3122		3977
3123	our @WAIT_FOR_TICK;	3978	our @WAIT_FOR_TICK;
3124	our @WAIT_FOR_TICK_BEGIN;	3979	our @WAIT_FOR_TICK_BEGIN;
3125		3980
3126	sub wait_for_tick {	3981	sub wait_for_tick {
3127	return unless $TICK_WATCHER->is_active;
3128	return if $Coro::current == $Coro::main;	3982	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3129		3983
3130	my $signal = new Coro::Signal;	3984	my $signal = new Coro::Signal;
3131	push @WAIT_FOR_TICK, $signal;	3985	push @WAIT_FOR_TICK, $signal;
3132	$signal->wait;	3986	$signal->wait;
3133	}	3987	}
3134		3988
3135	sub wait_for_tick_begin {	3989	sub wait_for_tick_begin {
3136	return unless $TICK_WATCHER->is_active;
3137	return if $Coro::current == $Coro::main;	3990	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3138		3991
3139	my $signal = new Coro::Signal;	3992	my $signal = new Coro::Signal;
3140	push @WAIT_FOR_TICK_BEGIN, $signal;	3993	push @WAIT_FOR_TICK_BEGIN, $signal;
3141	$signal->wait;	3994	$signal->wait;
3142	}	3995	}
3143		3996
3144	my $min = 1e6;#d#	3997	sub tick {
3145	my $avg = 10;
3146	$TICK_WATCHER = Event->timer (
3147	reentrant => 0,
3148	parked => 1,
3149	prio => 0,
3150	at => $NEXT_TICK || $TICK,
3151	data => WF_AUTOCANCEL,
3152	cb => sub {
3153	if ($Coro::current != $Coro::main) {	3998	if ($Coro::current != $Coro::main) {
3154	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3999	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3155	unless ++$bug_warning > 10;	4000	unless ++$bug_warning > 10;
3156	return;	4001	return;
3157	}	4002	}
3158		4003
3159	$NOW = $tick_start = Event::time;
3160
3161	cf::server_tick; # one server iteration	4004	cf::server_tick; # one server iteration
3162		4005
3163	0 && sync_job {#d#	4006	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3164	for(1..10) {
3165	my $t = Event::time;
3166	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3167	or die;
3168		4007
3169	$map->width (50);	4008	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3170	$map->height (50);	4009	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3171	$map->alloc;	4010	Coro::async_pool {
3172	$map->_load_objects ("/tmp/x.map", 1);	4011	$Coro::current->{desc} = "runtime saver";
3173	my $t = Event::time - $t;	4012	write_runtime_sync
3174		4013	or warn "ERROR: unable to write runtime file: $!";
3175	#next unless $t < 0.0013;#d#
3176	if ($t < $min) {
3177	$min = $t;
3178	}
3179	$avg = $avg * 0.99 + $t * 0.01;
3180	}
3181	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3182	exit 0;
3183	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3184	};	4014	};
		4015	}
3185		4016
3186	$RUNTIME += $TICK;
3187	$NEXT_TICK += $TICK;
3188
3189	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3190	$NEXT_RUNTIME_WRITE = $NOW + 10;
3191	Coro::async_pool {
3192	write_runtime
3193	or warn "ERROR: unable to write runtime file: $!";
3194	};
3195	}
3196
3197	# my $AFTER = Event::time;
3198	# warn $AFTER - $NOW;#d#
3199
3200	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4017	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3201	$sig->send;	4018	$sig->send;
3202	}	4019	}
3203	while (my $sig = shift @WAIT_FOR_TICK) {	4020	while (my $sig = shift @WAIT_FOR_TICK) {
3204	$sig->send;	4021	$sig->send;
3205	}	4022	}
3206		4023
3207	$NOW = Event::time;	4024	$LOAD = ($NOW - $TICK_START) / $TICK;
3208
3209	# if we are delayed by four ticks or more, skip them all
3210	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3211
3212	$TICK_WATCHER->at ($NEXT_TICK);
3213	$TICK_WATCHER->start;
3214
3215	$LOAD = ($NOW - $tick_start) / $TICK;
3216	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4025	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3217		4026
3218	_post_tick;	4027	if (0) {
3219		4028	if ($NEXT_TICK) {
3220		4029	my $jitter = $TICK_START - $NEXT_TICK;
		4030	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4031	warn "jitter $JITTER\n";#d#
		4032	}
3221	},	4033	}
3222	);	4034	}
3223		4035
3224	{	4036	{
3225	BDB::max_poll_time $TICK * 0.1;	4037	# configure BDB
3226	$BDB_POLL_WATCHER = Event->io (	4038
3227	reentrant => 0,
3228	fd => BDB::poll_fileno,
3229	poll => 'r',
3230	prio => 0,
3231	data => WF_AUTOCANCEL,
3232	cb => \&BDB::poll_cb,
3233	);
3234	BDB::min_parallel 8;	4039	BDB::min_parallel 16;
3235		4040	BDB::max_poll_reqs $TICK * 0.1;
3236	BDB::set_sync_prepare {	4041	$AnyEvent::BDB::WATCHER->priority (1);
3237	my $status;
3238	my $current = $Coro::current;
3239	(
3240	sub {
3241	$status = $!;
3242	$current->ready; undef $current;
3243	},
3244	sub {
3245	Coro::schedule while defined $current;
3246	$! = $status;
3247	},
3248	)
3249	};
3250		4042
3251	unless ($DB_ENV) {	4043	unless ($DB_ENV) {
3252	$DB_ENV = BDB::db_env_create;	4044	$DB_ENV = BDB::db_env_create;
		4045	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4046	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4047	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4048	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4049	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3253		4050
3254	cf::sync_job {	4051	cf::sync_job {
3255	eval {	4052	eval {
3256	BDB::db_env_open	4053	BDB::db_env_open
3257	$DB_ENV,	4054	$DB_ENV,
…		…
3259	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4056	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3260	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4057	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3261	0666;	4058	0666;
3262		4059
3263	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4060	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3264
3265	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3266	$DB_ENV->set_lk_detect;
3267	};	4061	};
3268		4062
3269	cf::cleanup "db_env_open(db): $@" if $@;	4063	cf::cleanup "db_env_open(db): $@" if $@;
3270	};	4064	};
3271	}	4065	}
		4066
		4067	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4068	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4069	};
		4070	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4071	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4072	};
		4073	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4074	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4075	};
3272	}	4076	}
3273		4077
3274	{	4078	{
		4079	# configure IO::AIO
		4080
3275	IO::AIO::min_parallel 8;	4081	IO::AIO::min_parallel 8;
3276
3277	undef $Coro::AIO::WATCHER;
3278	IO::AIO::max_poll_time $TICK * 0.1;	4082	IO::AIO::max_poll_time $TICK * 0.1;
3279	$AIO_POLL_WATCHER = Event->io (	4083	undef $AnyEvent::AIO::WATCHER;
3280	reentrant => 0,
3281	data => WF_AUTOCANCEL,
3282	fd => IO::AIO::poll_fileno,
3283	poll => 'r',
3284	prio => 6,
3285	cb => \&IO::AIO::poll_cb,
3286	);
3287	}	4084	}
3288		4085
3289	my $_log_backtrace;	4086	my $_log_backtrace;
3290		4087
3291	sub _log_backtrace {	4088	sub _log_backtrace {
…		…
3294	$msg =~ s/\n//;	4091	$msg =~ s/\n//;
3295		4092
3296	# limit the # of concurrent backtraces	4093	# limit the # of concurrent backtraces
3297	if ($_log_backtrace < 2) {	4094	if ($_log_backtrace < 2) {
3298	++$_log_backtrace;	4095	++$_log_backtrace;
		4096	my $perl_bt = Carp::longmess $msg;
3299	async {	4097	async {
		4098	$Coro::current->{desc} = "abt $msg";
		4099
3300	my @bt = fork_call {	4100	my @bt = fork_call {
3301	@addr = map { sprintf "%x", $_ } @addr;	4101	@addr = map { sprintf "%x", $_ } @addr;
3302	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4102	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3303	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4103	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3304	or die "addr2line: $!";	4104	or die "addr2line: $!";
…		…
3312	}	4112	}
3313		4113
3314	@funcs	4114	@funcs
3315	};	4115	};
3316		4116
3317	LOG llevInfo, "[ABT] $msg\n";	4117	LOG llevInfo, "[ABT] $perl_bt\n";
		4118	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3318	LOG llevInfo, "[ABT] $_\n" for @bt;	4119	LOG llevInfo, "[ABT] $_\n" for @bt;
3319	--$_log_backtrace;	4120	--$_log_backtrace;
3320	};	4121	};
3321	} else {	4122	} else {
3322	LOG llevInfo, "[ABT] $msg\n";	4123	LOG llevInfo, "[ABT] $msg\n";
3323	LOG llevInfo, "[ABT] [suppressed]\n";	4124	LOG llevInfo, "[ABT] [suppressed]\n";
3324	}	4125	}
3325	}	4126	}
3326		4127
3327	# load additional modules	4128	# load additional modules
3328	use cf::pod;	4129	require "cf/$_.pm" for @EXTRA_MODULES;
		4130	cf::_connect_to_perl_2;
3329		4131
3330	END { cf::emergency_save }	4132	END { cf::emergency_save }
3331		4133
3332	1	4134	1
3333		4135

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