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Revision 1.304 by root, Wed Jul 11 16:55:18 2007 UTC vs.
Revision 1.530 by root, Wed Apr 28 21:05:33 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; # unused
		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;
1315	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1640	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1316	$pl->ns->destroy if $pl->ns;	1641	$pl->ns->destroy if $pl->ns;
1317		1642
1318	my $path = playerdir $pl;	1643	my $path = playerdir $pl;
1319	my $temp = "$path~$cf::RUNTIME~deleting~";	1644	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1355	or return [];	1680	or return [];
1356		1681
1357	my @logins;	1682	my @logins;
1358		1683
1359	for my $login (@$dirs) {	1684	for my $login (@$dirs) {
		1685	my $path = path $login;
		1686
		1687	# a .pst is a dead give-away for a valid player
		1688	# if no pst file found, open and chekc for blocked users
		1689	if (aio_stat "$path.pst") {
1360	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1690	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1361	aio_read $fh, 0, 512, my $buf, 0 or next;	1691	aio_read $fh, 0, 512, my $buf, 0 or next;
1362	$buf !~ /^password -------------$/m or next; # official not-valid tag	1692	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1693	}
1363		1694
1364	utf8::decode $login;	1695	utf8::decode $login;
1365	push @logins, $login;	1696	push @logins, $login;
1366	}	1697	}
1367		1698
1368	\@logins	1699	\@logins
1369	}	1700	}
1370		1701
1371	=item $player->maps	1702	=item $player->maps
		1703
		1704	=item cf::player::maps $login
1372		1705
1373	Returns an arrayref of map paths that are private for this	1706	Returns an arrayref of map paths that are private for this
1374	player. May block.	1707	player. May block.
1375		1708
1376	=cut	1709	=cut
…		…
1394	}	1727	}
1395		1728
1396	\@paths	1729	\@paths
1397	}	1730	}
1398		1731
1399	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1732	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1400		1733
1401	Expand crossfire pod fragments into protocol xml.	1734	Expand deliantra pod fragments into protocol xml.
1402		1735
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)	1736	=item $player->ext_reply ($msgid, @msg)
1450		1737
1451	Sends an ext reply to the player.	1738	Sends an ext reply to the player.
1452		1739
1453	=cut	1740	=cut
1454		1741
1455	sub ext_reply($$%) {	1742	sub ext_reply($$@) {
1456	my ($self, $id, %msg) = @_;	1743	my ($self, $id, @msg) = @_;
1457		1744
1458	$msg{msgid} = $id;	1745	$self->ns->ext_reply ($id, @msg)
1459	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1460	}	1746	}
1461		1747
1462	=item $player->ext_event ($type, %msg)	1748	=item $player->ext_msg ($type, @msg)
1463		1749
1464	Sends an ext event to the client.	1750	Sends an ext event to the client.
1465		1751
1466	=cut	1752	=cut
1467		1753
1468	sub ext_event($$%) {	1754	sub ext_msg($$@) {
1469	my ($self, $type, %msg) = @_;	1755	my ($self, $type, @msg) = @_;
1470		1756
1471	$self->ns->ext_event ($type, %msg);	1757	$self->ns->ext_msg ($type, @msg);
1472	}	1758	}
1473		1759
1474	=head3 cf::region	1760	=head3 cf::region
1475		1761
1476	=over 4	1762	=over 4
…		…
1485		1771
1486	=cut	1772	=cut
1487		1773
1488	sub find_by_path($) {	1774	sub find_by_path($) {
1489	my ($path) = @_;	1775	my ($path) = @_;
		1776
		1777	$path =~ s/^~[^\/]*//; # skip ~login
1490		1778
1491	my ($match, $specificity);	1779	my ($match, $specificity);
1492		1780
1493	for my $region (list) {	1781	for my $region (list) {
1494	if ($region->{match} && $path =~ $region->{match}) {	1782	if ($region->{match} && $path =~ $region->{match}) {
…		…
1520	our $MAX_RESET = 3600;	1808	our $MAX_RESET = 3600;
1521	our $DEFAULT_RESET = 3000;	1809	our $DEFAULT_RESET = 3000;
1522		1810
1523	sub generate_random_map {	1811	sub generate_random_map {
1524	my ($self, $rmp) = @_;	1812	my ($self, $rmp) = @_;
		1813
		1814	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1815
1525	# mit "rum" bekleckern, nicht	1816	# mit "rum" bekleckern, nicht
1526	$self->_create_random_map (	1817	$self->_create_random_map (
1527	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1818	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1528	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1819	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1529	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1820	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1530	$rmp->{exit_on_final_map},	1821	$rmp->{exit_on_final_map},
1531	$rmp->{xsize}, $rmp->{ysize},	1822	$rmp->{xsize}, $rmp->{ysize},
1532	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1823	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1533	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1824	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1555		1846
1556	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1847	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1557	}	1848	}
1558		1849
1559	# also paths starting with '/'	1850	# also paths starting with '/'
1560	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1851	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1561		1852
1562	sub thawer_merge {	1853	sub thawer_merge {
1563	my ($self, $merge) = @_;	1854	my ($self, $merge) = @_;
1564		1855
1565	# we have to keep some variables in memory intact	1856	# we have to keep some variables in memory intact
…		…
1619	$self->init; # pass $1 etc.	1910	$self->init; # pass $1 etc.
1620	return $self;	1911	return $self;
1621	}	1912	}
1622	}	1913	}
1623		1914
1624	Carp::carp "unable to resolve path '$path' (base '$base').";	1915	Carp::cluck "unable to resolve path '$path' (base '$base').";
1625	()	1916	()
1626	}	1917	}
1627		1918
1628	sub init {	1919	sub init {
1629	my ($self) = @_;	1920	my ($self) = @_;
…		…
1651		1942
1652	# the temporary/swap location	1943	# the temporary/swap location
1653	sub save_path {	1944	sub save_path {
1654	my ($self) = @_;	1945	my ($self) = @_;
1655		1946
1656	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1947	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1657	"$TMPDIR/$path.map"	1948	"$TMPDIR/$path.map"
1658	}	1949	}
1659		1950
1660	# the unique path, undef == no special unique path	1951	# the unique path, undef == no special unique path
1661	sub uniq_path {	1952	sub uniq_path {
1662	my ($self) = @_;	1953	my ($self) = @_;
1663		1954
1664	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1955	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1665	"$UNIQUEDIR/$path"	1956	"$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	}	1957	}
1676		1958
1677	sub decay_objects {	1959	sub decay_objects {
1678	my ($self) = @_;	1960	my ($self) = @_;
1679		1961
…		…
1692		1974
1693	sub load_header_from($) {	1975	sub load_header_from($) {
1694	my ($self, $path) = @_;	1976	my ($self, $path) = @_;
1695		1977
1696	utf8::encode $path;	1978	utf8::encode $path;
1697	#aio_open $path, O_RDONLY, 0	1979	my $f = new_from_file cf::object::thawer $path
1698	# or return;
1699
1700	$self->_load_header ($path)
1701	or return;	1980	or return;
		1981
		1982	$self->_load_header ($f)
		1983	or return;
		1984
		1985	local $MAP_LOADING{$self->{path}} = $self;
		1986	$f->resolve_delayed_derefs;
1702		1987
1703	$self->{load_path} = $path;	1988	$self->{load_path} = $path;
1704		1989
1705	1	1990	1
1706	}	1991	}
…		…
1760	sub find {	2045	sub find {
1761	my ($path, $origin) = @_;	2046	my ($path, $origin) = @_;
1762		2047
1763	$path = normalise $path, $origin && $origin->path;	2048	$path = normalise $path, $origin && $origin->path;
1764		2049
		2050	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1765	cf::lock_wait "map_find:$path";	2051	my $guard2 = cf::lock_acquire "map_find:$path";
1766		2052
1767	$cf::MAP{$path} || do {	2053	$cf::MAP{$path} || do {
1768	my $guard = cf::lock_acquire "map_find:$path";
1769	my $map = new_from_path cf::map $path	2054	my $map = new_from_path cf::map $path
1770	or return;	2055	or return;
1771		2056
1772	$map->{last_save} = $cf::RUNTIME;	2057	$map->{last_save} = $cf::RUNTIME;
1773		2058
…		…
1775	or return;	2060	or return;
1776		2061
1777	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2062	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1778	# doing this can freeze the server in a sync job, obviously	2063	# doing this can freeze the server in a sync job, obviously
1779	#$cf::WAIT_FOR_TICK->wait;	2064	#$cf::WAIT_FOR_TICK->wait;
		2065	undef $guard2;
		2066	undef $guard1;
1780	$map->reset;	2067	$map->reset;
1781	undef $guard;
1782	return find $path;	2068	return find $path;
1783	}	2069	}
1784		2070
1785	$cf::MAP{$path} = $map	2071	$cf::MAP{$path} = $map
1786	}	2072	}
1787	}	2073	}
1788		2074
1789	sub pre_load { }	2075	sub pre_load { }
1790	sub post_load { }	2076	#sub post_load { } # XS
1791		2077
1792	sub load {	2078	sub load {
1793	my ($self) = @_;	2079	my ($self) = @_;
1794		2080
1795	local $self->{deny_reset} = 1; # loading can take a long time	2081	local $self->{deny_reset} = 1; # loading can take a long time
1796		2082
1797	my $path = $self->{path};	2083	my $path = $self->{path};
1798		2084
1799	{	2085	{
1800	my $guard = cf::lock_acquire "map_load:$path";	2086	my $guard = cf::lock_acquire "map_data:$path";
1801		2087
		2088	return unless $self->valid;
1802	return if $self->in_memory != cf::MAP_SWAPPED;	2089	return unless $self->in_memory == cf::MAP_SWAPPED;
1803		2090
1804	$self->in_memory (cf::MAP_LOADING);	2091	$self->in_memory (cf::MAP_LOADING);
1805		2092
1806	$self->alloc;	2093	$self->alloc;
1807		2094
1808	$self->pre_load;	2095	$self->pre_load;
1809	Coro::cede;	2096	cf::cede_to_tick;
1810		2097
		2098	my $f = new_from_file cf::object::thawer $self->{load_path};
		2099	$f->skip_block;
1811	$self->_load_objects ($self->{load_path}, 1)	2100	$self->_load_objects ($f)
1812	or return;	2101	or return;
1813		2102
1814	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2103	$self->post_load_original
1815	if delete $self->{load_original};	2104	if delete $self->{load_original};
1816		2105
1817	if (my $uniq = $self->uniq_path) {	2106	if (my $uniq = $self->uniq_path) {
1818	utf8::encode $uniq;	2107	utf8::encode $uniq;
1819	if (aio_open $uniq, O_RDONLY, 0) {	2108	unless (aio_stat $uniq) {
		2109	if (my $f = new_from_file cf::object::thawer $uniq) {
1820	$self->clear_unique_items;	2110	$self->clear_unique_items;
1821	$self->_load_objects ($uniq, 0);	2111	$self->_load_objects ($f);
		2112	$f->resolve_delayed_derefs;
		2113	}
1822	}	2114	}
1823	}	2115	}
1824		2116
1825	Coro::cede;	2117	$f->resolve_delayed_derefs;
		2118
		2119	cf::cede_to_tick;
1826	# now do the right thing for maps	2120	# now do the right thing for maps
1827	$self->link_multipart_objects;	2121	$self->link_multipart_objects;
1828	$self->difficulty ($self->estimate_difficulty)	2122	$self->difficulty ($self->estimate_difficulty)
1829	unless $self->difficulty;	2123	unless $self->difficulty;
1830	Coro::cede;	2124	cf::cede_to_tick;
1831		2125
1832	unless ($self->{deny_activate}) {	2126	unless ($self->{deny_activate}) {
1833	$self->decay_objects;	2127	$self->decay_objects;
1834	$self->fix_auto_apply;	2128	$self->fix_auto_apply;
1835	$self->update_buttons;	2129	$self->update_buttons;
1836	Coro::cede;	2130	cf::cede_to_tick;
1837	$self->set_darkness_map;
1838	Coro::cede;
1839	$self->activate;	2131	$self->activate;
1840	}	2132	}
1841		2133
		2134	$self->{last_save} = $cf::RUNTIME;
		2135	$self->last_access ($cf::RUNTIME);
		2136
1842	$self->in_memory (cf::MAP_IN_MEMORY);	2137	$self->in_memory (cf::MAP_ACTIVE);
1843	}	2138	}
1844		2139
1845	$self->post_load;	2140	$self->post_load;
1846	}	2141	}
1847		2142
		2143	# customize the map for a given player, i.e.
		2144	# return the _real_ map. used by e.g. per-player
		2145	# maps to change the path to ~playername/mappath
1848	sub customise_for {	2146	sub customise_for {
1849	my ($self, $ob) = @_;	2147	my ($self, $ob) = @_;
1850		2148
1851	return find "~" . $ob->name . "/" . $self->{path}	2149	return find "~" . $ob->name . "/" . $self->{path}
1852	if $self->per_player;	2150	if $self->per_player;
…		…
1856		2154
1857	$self	2155	$self
1858	}	2156	}
1859		2157
1860	# find and load all maps in the 3x3 area around a map	2158	# find and load all maps in the 3x3 area around a map
1861	sub load_diag {	2159	sub load_neighbours {
1862	my ($map) = @_;	2160	my ($map) = @_;
1863		2161
1864	my @diag; # diagonal neighbours	2162	my @neigh; # diagonal neighbours
1865		2163
1866	for (0 .. 3) {	2164	for (0 .. 3) {
1867	my $neigh = $map->tile_path ($_)	2165	my $neigh = $map->tile_path ($_)
1868	or next;	2166	or next;
1869	$neigh = find $neigh, $map	2167	$neigh = find $neigh, $map
1870	or next;	2168	or next;
1871	$neigh->load;	2169	$neigh->load;
1872		2170
		2171	# now find the diagonal neighbours
		2172	push @neigh,
1873	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2173	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1874	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2174	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1875	}	2175	}
1876		2176
1877	for (@diag) {	2177	for (grep defined $_->[0], @neigh) {
		2178	my ($path, $origin) = @$_;
1878	my $neigh = find @$_	2179	my $neigh = find $path, $origin
1879	or next;	2180	or next;
1880	$neigh->load;	2181	$neigh->load;
1881	}	2182	}
1882	}	2183	}
1883		2184
…		…
1888	}	2189	}
1889		2190
1890	sub do_load_sync {	2191	sub do_load_sync {
1891	my ($map) = @_;	2192	my ($map) = @_;
1892		2193
		2194	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2195	if $Coro::current == $Coro::main;
		2196
1893	cf::sync_job { $map->load };	2197	cf::sync_job { $map->load };
1894	}	2198	}
1895		2199
1896	our %MAP_PREFETCH;	2200	our %MAP_PREFETCH;
1897	our $MAP_PREFETCHER = undef;	2201	our $MAP_PREFETCHER = undef;
1898		2202
1899	sub find_async {	2203	sub find_async {
1900	my ($path, $origin) = @_;	2204	my ($path, $origin, $load) = @_;
1901		2205
1902	$path = normalise $path, $origin && $origin->{path};	2206	$path = normalise $path, $origin && $origin->{path};
1903		2207
1904	if (my $map = $cf::MAP{$path}) {	2208	if (my $map = $cf::MAP{$path}) {
1905	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2209	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1906	}	2210	}
1907		2211
1908	undef $MAP_PREFETCH{$path};	2212	$MAP_PREFETCH{$path} |= $load;
		2213
1909	$MAP_PREFETCHER ||= cf::async {	2214	$MAP_PREFETCHER ||= cf::async {
		2215	$Coro::current->{desc} = "map prefetcher";
		2216
1910	while (%MAP_PREFETCH) {	2217	while (%MAP_PREFETCH) {
1911	for my $path (keys %MAP_PREFETCH) {	2218	while (my ($k, $v) = each %MAP_PREFETCH) {
1912	my $map = find $path	2219	if (my $map = find $k) {
1913	or next;
1914	$map->load;	2220	$map->load if $v;
		2221	}
1915		2222
1916	delete $MAP_PREFETCH{$path};	2223	delete $MAP_PREFETCH{$k};
1917	}	2224	}
1918	}	2225	}
1919	undef $MAP_PREFETCHER;	2226	undef $MAP_PREFETCHER;
1920	};	2227	};
1921	$MAP_PREFETCHER->prio (6);	2228	$MAP_PREFETCHER->prio (6);
1922		2229
1923	()	2230	()
1924	}	2231	}
1925		2232
		2233	# common code, used by both ->save and ->swapout
1926	sub save {	2234	sub _save {
1927	my ($self) = @_;	2235	my ($self) = @_;
1928
1929	my $lock = cf::lock_acquire "map_data:" . $self->path;
1930		2236
1931	$self->{last_save} = $cf::RUNTIME;	2237	$self->{last_save} = $cf::RUNTIME;
1932		2238
1933	return unless $self->dirty;	2239	return unless $self->dirty;
1934		2240
…		…
1940	return if $self->{deny_save};	2246	return if $self->{deny_save};
1941		2247
1942	local $self->{last_access} = $self->last_access;#d#	2248	local $self->{last_access} = $self->last_access;#d#
1943		2249
1944	cf::async {	2250	cf::async {
		2251	$Coro::current->{desc} = "map player save";
1945	$_->contr->save for $self->players;	2252	$_->contr->save for $self->players;
1946	};	2253	};
		2254
		2255	cf::get_slot 0.02;
1947		2256
1948	if ($uniq) {	2257	if ($uniq) {
1949	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2258	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1950	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2259	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1951	} else {	2260	} else {
1952	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2261	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1953	}	2262	}
1954	}	2263	}
1955		2264
		2265	sub save {
		2266	my ($self) = @_;
		2267
		2268	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2269
		2270	$self->_save;
		2271	}
		2272
1956	sub swap_out {	2273	sub swap_out {
1957	my ($self) = @_;	2274	my ($self) = @_;
1958		2275
1959	# save first because save cedes
1960	$self->save;
1961
1962	my $lock = cf::lock_acquire "map_data:" . $self->path;	2276	my $lock = cf::lock_acquire "map_data:$self->{path}";
1963		2277
		2278	return if $self->in_memory != cf::MAP_ACTIVE;
		2279	return if $self->{deny_save};
1964	return if $self->players;	2280	return if $self->players;
1965	return if $self->in_memory != cf::MAP_IN_MEMORY;
1966	return if $self->{deny_save};
1967		2281
		2282	# first deactivate the map and "unlink" it from the core
		2283	$self->deactivate;
		2284	$_->clear_links_to ($self) for values %cf::MAP;
		2285	$self->in_memory (cf::MAP_SWAPPED);
		2286
		2287	# then atomically save
		2288	$self->_save;
		2289
		2290	# then free the map
1968	$self->clear;	2291	$self->clear;
1969	$self->in_memory (cf::MAP_SWAPPED);
1970	}	2292	}
1971		2293
1972	sub reset_at {	2294	sub reset_at {
1973	my ($self) = @_;	2295	my ($self) = @_;
1974		2296
…		…
1992		2314
1993	my $lock = cf::lock_acquire "map_data:$self->{path}";	2315	my $lock = cf::lock_acquire "map_data:$self->{path}";
1994		2316
1995	return if $self->players;	2317	return if $self->players;
1996		2318
1997	warn "resetting map ", $self->path;	2319	warn "resetting map ", $self->path, "\n";
1998		2320
1999	$self->in_memory (cf::MAP_SWAPPED);	2321	$self->in_memory (cf::MAP_SWAPPED);
2000		2322
2001	# need to save uniques path	2323	# need to save uniques path
2002	unless ($self->{deny_save}) {	2324	unless ($self->{deny_save}) {
…		…
2006	if $uniq;	2328	if $uniq;
2007	}	2329	}
2008		2330
2009	delete $cf::MAP{$self->path};	2331	delete $cf::MAP{$self->path};
2010		2332
		2333	$self->deactivate;
		2334	$_->clear_links_to ($self) for values %cf::MAP;
2011	$self->clear;	2335	$self->clear;
2012
2013	$_->clear_links_to ($self) for values %cf::MAP;
2014		2336
2015	$self->unlink_save;	2337	$self->unlink_save;
2016	$self->destroy;	2338	$self->destroy;
2017	}	2339	}
2018		2340
2019	my $nuke_counter = "aaaa";	2341	my $nuke_counter = "aaaa";
2020		2342
2021	sub nuke {	2343	sub nuke {
2022	my ($self) = @_;	2344	my ($self) = @_;
2023		2345
		2346	{
		2347	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2348
2024	delete $cf::MAP{$self->path};	2349	delete $cf::MAP{$self->path};
2025		2350
2026	$self->unlink_save;	2351	$self->unlink_save;
2027		2352
2028	bless $self, "cf::map";	2353	bless $self, "cf::map::wrap";
2029	delete $self->{deny_reset};	2354	delete $self->{deny_reset};
2030	$self->{deny_save} = 1;	2355	$self->{deny_save} = 1;
2031	$self->reset_timeout (1);	2356	$self->reset_timeout (1);
2032	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2357	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2033		2358
2034	$cf::MAP{$self->path} = $self;	2359	$cf::MAP{$self->path} = $self;
		2360	}
2035		2361
2036	$self->reset; # polite request, might not happen	2362	$self->reset; # polite request, might not happen
2037	}	2363	}
2038		2364
2039	=item $maps = cf::map::tmp_maps	2365	=item $maps = cf::map::tmp_maps
…		…
2081		2407
2082	sub unique_maps() {	2408	sub unique_maps() {
2083	[	2409	[
2084	map {	2410	map {
2085	utf8::decode $_;	2411	utf8::decode $_;
2086	/\.map$/	2412	s/\.map$//; # TODO future compatibility hack
		2413	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2414	? ()
2087	? normalise $_	2415	: normalise $_
2088	: ()
2089	} @{ aio_readdir $UNIQUEDIR or [] }	2416	} @{ aio_readdir $UNIQUEDIR or [] }
2090	]	2417	]
2091	}	2418	}
2092		2419
2093	package cf;	2420	=item cf::map::static_maps
		2421
		2422	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2423	file in the shared directory excluding F</styles> and F</editor>). May
		2424	block.
		2425
		2426	=cut
		2427
		2428	sub static_maps() {
		2429	my @dirs = "";
		2430	my @maps;
		2431
		2432	while (@dirs) {
		2433	my $dir = shift @dirs;
		2434
		2435	next if $dir eq "/styles" || $dir eq "/editor";
		2436
		2437	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2438	or return;
		2439
		2440	for (@$files) {
		2441	s/\.map$// or next;
		2442	utf8::decode $_;
		2443	push @maps, "$dir/$_";
		2444	}
		2445
		2446	push @dirs, map "$dir/$_", @$dirs;
		2447	}
		2448
		2449	\@maps
		2450	}
2094		2451
2095	=back	2452	=back
2096		2453
2097	=head3 cf::object	2454	=head3 cf::object
2098		2455
…		…
2102		2459
2103	=over 4	2460	=over 4
2104		2461
2105	=item $ob->inv_recursive	2462	=item $ob->inv_recursive
2106		2463
2107	Returns the inventory of the object _and_ their inventories, recursively.	2464	Returns the inventory of the object I<and> their inventories, recursively,
		2465	but I<not> the object itself.
2108		2466
2109	=cut	2467	=cut
2110		2468
2111	sub inv_recursive_;	2469	sub inv_recursive_;
2112	sub inv_recursive_ {	2470	sub inv_recursive_ {
…		…
2115		2473
2116	sub inv_recursive {	2474	sub inv_recursive {
2117	inv_recursive_ inv $_[0]	2475	inv_recursive_ inv $_[0]
2118	}	2476	}
2119		2477
		2478	=item $ref = $ob->ref
		2479
		2480	Creates and returns a persistent reference to an object that can be stored as a string.
		2481
		2482	=item $ob = cf::object::deref ($refstring)
		2483
		2484	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2485	even if the object actually exists. May block.
		2486
		2487	=cut
		2488
		2489	sub deref {
		2490	my ($ref) = @_;
		2491
		2492	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2493	my ($uuid, $name) = ($1, $2);
		2494	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2495	or return;
		2496	$pl->ob->uuid eq $uuid
		2497	or return;
		2498
		2499	$pl->ob
		2500	} else {
		2501	warn "$ref: cannot resolve object reference\n";
		2502	undef
		2503	}
		2504	}
		2505
2120	package cf;	2506	package cf;
2121		2507
2122	=back	2508	=back
2123		2509
2124	=head3 cf::object::player	2510	=head3 cf::object::player
…		…
2130	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2516	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	2517	can be C<undef>. Does the right thing when the player is currently in a
2132	dialogue with the given NPC character.	2518	dialogue with the given NPC character.
2133		2519
2134	=cut	2520	=cut
		2521
		2522	our $SAY_CHANNEL = {
		2523	id => "say",
		2524	title => "Map",
		2525	reply => "say ",
		2526	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2527	};
		2528
		2529	our $CHAT_CHANNEL = {
		2530	id => "chat",
		2531	title => "Chat",
		2532	reply => "chat ",
		2533	tooltip => "Player chat and shouts, global to the server.",
		2534	};
2135		2535
2136	# rough implementation of a future "reply" method that works	2536	# rough implementation of a future "reply" method that works
2137	# with dialog boxes.	2537	# with dialog boxes.
2138	#TODO: the first argument must go, split into a $npc->reply_to ( method	2538	#TODO: the first argument must go, split into a $npc->reply_to ( method
2139	sub cf::object::player::reply($$$;$) {	2539	sub cf::object::player::reply($$$;$) {
…		…
2146		2546
2147	} else {	2547	} else {
2148	my $pl = $self->contr;	2548	my $pl = $self->contr;
2149		2549
2150	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2550	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2151	my $diag = $pl->{npc_dialog};	2551	my $dialog = $pl->{npc_dialog};
2152	$diag->{pl}->ext_reply (	2552	$dialog->{pl}->ext_msg ($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		2553
2159	} else {	2554	} else {
2160	$msg = $npc->name . " says: $msg" if $npc;	2555	$msg = $npc->name . " says: $msg" if $npc;
2161	$self->message ($msg, $flags);	2556	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2162	}	2557	}
2163	}	2558	}
		2559	}
		2560
		2561	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2562
		2563	=cut
		2564
		2565	sub cf::object::send_msg {
		2566	my $pl = shift->contr
		2567	or return;
		2568	$pl->send_msg (@_);
2164	}	2569	}
2165		2570
2166	=item $player_object->may ("access")	2571	=item $player_object->may ("access")
2167		2572
2168	Returns wether the given player is authorized to access resource "access"	2573	Returns wether the given player is authorized to access resource "access"
…		…
2181		2586
2182	=item $player_object->enter_link	2587	=item $player_object->enter_link
2183		2588
2184	Freezes the player and moves him/her to a special map (C<{link}>).	2589	Freezes the player and moves him/her to a special map (C<{link}>).
2185		2590
2186	The player should be reasonably safe there for short amounts of time. You	2591	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.	2592	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2593	though, as the player cannot control the character while it is on the link
		2594	map.
2188		2595
2189	Will never block.	2596	Will never block.
2190		2597
2191	=item $player_object->leave_link ($map, $x, $y)	2598	=item $player_object->leave_link ($map, $x, $y)
2192		2599
…		…
2212	sub cf::object::player::enter_link {	2619	sub cf::object::player::enter_link {
2213	my ($self) = @_;	2620	my ($self) = @_;
2214		2621
2215	$self->deactivate_recursive;	2622	$self->deactivate_recursive;
2216		2623
		2624	++$self->{_link_recursion};
		2625
2217	return if UNIVERSAL::isa $self->map, "ext::map_link";	2626	return if UNIVERSAL::isa $self->map, "ext::map_link";
2218		2627
2219	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2628	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2220	if $self->map && $self->map->{path} ne "{link}";	2629	if $self->map && $self->map->{path} ne "{link}";
2221		2630
2222	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2631	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2223	}	2632	}
2224		2633
2225	sub cf::object::player::leave_link {	2634	sub cf::object::player::leave_link {
2226	my ($self, $map, $x, $y) = @_;	2635	my ($self, $map, $x, $y) = @_;
2227		2636
…		…
2244	($x, $y) = (-1, -1)	2653	($x, $y) = (-1, -1)
2245	unless (defined $x) && (defined $y);	2654	unless (defined $x) && (defined $y);
2246		2655
2247	# use -1 or undef as default coordinates, not 0, 0	2656	# use -1 or undef as default coordinates, not 0, 0
2248	($x, $y) = ($map->enter_x, $map->enter_y)	2657	($x, $y) = ($map->enter_x, $map->enter_y)
2249	if $x <=0 && $y <= 0;	2658	if $x <= 0 && $y <= 0;
2250		2659
2251	$map->load;	2660	$map->load;
2252	$map->load_diag;	2661	$map->load_neighbours;
2253		2662
2254	return unless $self->contr->active;	2663	return unless $self->contr->active;
2255	$self->activate_recursive;
2256		2664
2257	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2665	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2258	$self->enter_map ($map, $x, $y);	2666	if ($self->enter_map ($map, $x, $y)) {
2259	}	2667	# entering was successful
		2668	delete $self->{_link_recursion};
		2669	# only activate afterwards, to support waiting in hooks
		2670	$self->activate_recursive;
		2671	}
2260		2672
		2673	}
		2674
2261	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2675	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2262		2676
2263	Moves the player to the given map-path and coordinates by first freezing	2677	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	2678	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	2679	that has to return the map if sucecssful, and then unfreezes the player on
2266	the new (success) or old (failed) map position.	2680	the new (success) or old (failed) map position. In either case, $done will
		2681	be called at the end of this process.
		2682
		2683	Note that $check will be called with a potentially non-loaded map, so if
		2684	it needs a loaded map it has to call C<< ->load >>.
2267		2685
2268	=cut	2686	=cut
2269		2687
2270	our $GOTOGEN;	2688	our $GOTOGEN;
2271		2689
2272	sub cf::object::player::goto {	2690	sub cf::object::player::goto {
2273	my ($self, $path, $x, $y, $check) = @_;	2691	my ($self, $path, $x, $y, $check, $done) = @_;
		2692
		2693	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2694	warn "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2695	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2696	($path, $x, $y) = @$EMERGENCY_POSITION;
		2697	}
2274		2698
2275	# do generation counting so two concurrent goto's will be executed in-order	2699	# do generation counting so two concurrent goto's will be executed in-order
2276	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2700	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2277		2701
2278	$self->enter_link;	2702	$self->enter_link;
2279		2703
2280	(async {	2704	(async {
		2705	$Coro::current->{desc} = "player::goto $path $x $y";
		2706
		2707	# *tag paths override both path and x|y
		2708	if ($path =~ /^\*(.*)$/) {
		2709	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2710	my $ob = $obs[rand @obs];
		2711
		2712	# see if we actually can go there
		2713	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2714	$ob = $obs[rand @obs];
		2715	} else {
		2716	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2717	}
		2718	# else put us there anyways for now #d#
		2719
		2720	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2721	} else {
		2722	($path, $x, $y) = (undef, undef, undef);
		2723	}
		2724	}
		2725
2281	my $map = eval {	2726	my $map = eval {
2282	my $map = cf::map::find $path;	2727	my $map = defined $path ? cf::map::find $path : undef;
2283		2728
2284	if ($map) {	2729	if ($map) {
2285	$map = $map->customise_for ($self);	2730	$map = $map->customise_for ($self);
2286	$map = $check->($map) if $check && $map;	2731	$map = $check->($map, $x, $y, $self) if $check && $map;
2287	} else {	2732	} else {
2288	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2733	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2289	}	2734	}
2290		2735
2291	$map	2736	$map
2292	};	2737	};
2293		2738
…		…
2298		2743
2299	if ($gen == $self->{_goto_generation}) {	2744	if ($gen == $self->{_goto_generation}) {
2300	delete $self->{_goto_generation};	2745	delete $self->{_goto_generation};
2301	$self->leave_link ($map, $x, $y);	2746	$self->leave_link ($map, $x, $y);
2302	}	2747	}
		2748
		2749	$done->($self) if $done;
2303	})->prio (1);	2750	})->prio (1);
2304	}	2751	}
2305		2752
2306	=item $player_object->enter_exit ($exit_object)	2753	=item $player_object->enter_exit ($exit_object)
2307		2754
…		…
2327	}	2774	}
2328		2775
2329	sub prepare_random_map {	2776	sub prepare_random_map {
2330	my ($exit) = @_;	2777	my ($exit) = @_;
2331		2778
2332	my $guard = cf::lock_acquire "exit_prepare:$exit";
2333
2334	# all this does is basically replace the /! path by	2779	# all this does is basically replace the /! path by
2335	# a new random map path (?random/...) with a seed	2780	# a new random map path (?random/...) with a seed
2336	# that depends on the exit object	2781	# that depends on the exit object
2337		2782
2338	my $rmp = parse_random_map_params $exit->msg;	2783	my $rmp = parse_random_map_params $exit->msg;
…		…
2340	if ($exit->map) {	2785	if ($exit->map) {
2341	$rmp->{region} = $exit->region->name;	2786	$rmp->{region} = $exit->region->name;
2342	$rmp->{origin_map} = $exit->map->path;	2787	$rmp->{origin_map} = $exit->map->path;
2343	$rmp->{origin_x} = $exit->x;	2788	$rmp->{origin_x} = $exit->x;
2344	$rmp->{origin_y} = $exit->y;	2789	$rmp->{origin_y} = $exit->y;
		2790
		2791	$exit->map->touch;
2345	}	2792	}
2346		2793
2347	$rmp->{random_seed} ||= $exit->random_seed;	2794	$rmp->{random_seed} ||= $exit->random_seed;
2348		2795
2349	my $data = cf::to_json $rmp;	2796	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2350	my $md5 = Digest::MD5::md5_hex $data;	2797	my $md5 = Digest::MD5::md5_hex $data;
2351	my $meta = "$RANDOMDIR/$md5.meta";	2798	my $meta = "$RANDOMDIR/$md5.meta";
2352		2799
2353	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2800	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2354	aio_write $fh, 0, (length $data), $data, 0;	2801	aio_write $fh, 0, (length $data), $data, 0;
2355	undef $fh;	2802	undef $fh;
2356	aio_rename "$meta~", $meta;	2803	aio_rename "$meta~", $meta;
2357		2804
		2805	my $slaying = "?random/$md5";
		2806
		2807	if ($exit->valid) {
2358	$exit->slaying ("?random/$md5");	2808	$exit->slaying ("?random/$md5");
2359	$exit->msg (undef);	2809	$exit->msg (undef);
		2810	}
2360	}	2811	}
2361	}	2812	}
2362		2813
2363	sub cf::object::player::enter_exit {	2814	sub cf::object::player::enter_exit {
2364	my ($self, $exit) = @_;	2815	my ($self, $exit) = @_;
2365		2816
2366	return unless $self->type == cf::PLAYER;	2817	return unless $self->type == cf::PLAYER;
2367		2818
2368	if ($exit->slaying eq "/!") {
2369	#TODO: this should de-fi-ni-te-ly not be a sync-job
2370	# the problem is that $exit might not survive long enough
2371	# so it needs to be done right now, right here
2372	cf::sync_job { prepare_random_map $exit };
2373	}
2374
2375	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2376	my $hp = $exit->stats->hp;
2377	my $sp = $exit->stats->sp;
2378
2379	$self->enter_link;	2819	$self->enter_link;
2380		2820
2381	# if exit is damned, update players death & WoR home-position
2382	$self->contr->savebed ($slaying, $hp, $sp)
2383	if $exit->flag (FLAG_DAMNED);
2384
2385	(async {	2821	(async {
2386	$self->deactivate_recursive; # just to be sure	2822	$Coro::current->{desc} = "enter_exit";
		2823
2387	unless (eval {	2824	unless (eval {
		2825	$self->deactivate_recursive; # just to be sure
		2826
		2827	# random map handling
		2828	{
		2829	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2830
		2831	prepare_random_map $exit
		2832	if $exit->slaying eq "/!";
		2833	}
		2834
		2835	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2836	my $x = $exit->stats->hp;
		2837	my $y = $exit->stats->sp;
		2838
2388	$self->goto ($slaying, $hp, $sp);	2839	$self->goto ($map, $x, $y);
2389		2840
		2841	# if exit is damned, update players death & WoR home-position
		2842	$self->contr->savebed ($map, $x, $y)
		2843	if $exit->flag (cf::FLAG_DAMNED);
		2844
2390	1;	2845	1
2391	}) {	2846	}) {
2392	$self->message ("Something went wrong deep within the crossfire server. "	2847	$self->message ("Something went wrong deep within the deliantra server. "
2393	. "I'll try to bring you back to the map you were before. "	2848	. "I'll try to bring you back to the map you were before. "
2394	. "Please report this to the dungeon master!",	2849	. "Please report this to the dungeon master!",
2395	cf::NDI_UNIQUE | cf::NDI_RED);	2850	cf::NDI_UNIQUE | cf::NDI_RED);
2396		2851
2397	warn "ERROR in enter_exit: $@";	2852	warn "ERROR in enter_exit: $@";
…		…
2416		2871
2417	utf8::encode $text;	2872	utf8::encode $text;
2418	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2873	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2419	}	2874	}
2420		2875
		2876	=item $client->send_big_packet ($pkt)
		2877
		2878	Like C<send_packet>, but tries to compress large packets, and fragments
		2879	them as required.
		2880
		2881	=cut
		2882
		2883	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2884
		2885	sub cf::client::send_big_packet {
		2886	my ($self, $pkt) = @_;
		2887
		2888	# try lzf for large packets
		2889	$pkt = "lzf " . Compress::LZF::compress $pkt
		2890	if 1024 <= length $pkt and $self->{can_lzf};
		2891
		2892	# split very large packets
		2893	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2894	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2895	$pkt = "frag";
		2896	}
		2897
		2898	$self->send_packet ($pkt);
		2899	}
		2900
2421	=item $client->send_msg ($color, $type, $msg, [extra...])	2901	=item $client->send_msg ($channel, $msg, $color, [extra...])
2422		2902
2423	Send a drawinfo or msg packet to the client, formatting the msg for the	2903	Send a drawinfo or msg packet to the client, formatting the msg for the
2424	client if neccessary. C<$type> should be a string identifying the type of	2904	client if neccessary. C<$type> should be a string identifying the type of
2425	the message, with C<log> being the default. If C<$color> is negative, suppress	2905	the message, with C<log> being the default. If C<$color> is negative, suppress
2426	the message unless the client supports the msg packet.	2906	the message unless the client supports the msg packet.
2427		2907
2428	=cut	2908	=cut
2429		2909
		2910	# non-persistent channels (usually the info channel)
		2911	our %CHANNEL = (
		2912	"c/motd" => {
		2913	id => "infobox",
		2914	title => "MOTD",
		2915	reply => undef,
		2916	tooltip => "The message of the day",
		2917	},
		2918	"c/identify" => {
		2919	id => "infobox",
		2920	title => "Identify",
		2921	reply => undef,
		2922	tooltip => "Items recently identified",
		2923	},
		2924	"c/examine" => {
		2925	id => "infobox",
		2926	title => "Examine",
		2927	reply => undef,
		2928	tooltip => "Signs and other items you examined",
		2929	},
		2930	"c/shopinfo" => {
		2931	id => "infobox",
		2932	title => "Shop Info",
		2933	reply => undef,
		2934	tooltip => "What your bargaining skill tells you about the shop",
		2935	},
		2936	"c/book" => {
		2937	id => "infobox",
		2938	title => "Book",
		2939	reply => undef,
		2940	tooltip => "The contents of a note or book",
		2941	},
		2942	"c/lookat" => {
		2943	id => "infobox",
		2944	title => "Look",
		2945	reply => undef,
		2946	tooltip => "What you saw there",
		2947	},
		2948	"c/who" => {
		2949	id => "infobox",
		2950	title => "Players",
		2951	reply => undef,
		2952	tooltip => "Shows players who are currently online",
		2953	},
		2954	"c/body" => {
		2955	id => "infobox",
		2956	title => "Body Parts",
		2957	reply => undef,
		2958	tooltip => "Shows which body parts you posess and are available",
		2959	},
		2960	"c/statistics" => {
		2961	id => "infobox",
		2962	title => "Statistics",
		2963	reply => undef,
		2964	tooltip => "Shows your primary statistics",
		2965	},
		2966	"c/skills" => {
		2967	id => "infobox",
		2968	title => "Skills",
		2969	reply => undef,
		2970	tooltip => "Shows your experience per skill and item power",
		2971	},
		2972	"c/shopitems" => {
		2973	id => "infobox",
		2974	title => "Shop Items",
		2975	reply => undef,
		2976	tooltip => "Shows the items currently for sale in this shop",
		2977	},
		2978	"c/resistances" => {
		2979	id => "infobox",
		2980	title => "Resistances",
		2981	reply => undef,
		2982	tooltip => "Shows your resistances",
		2983	},
		2984	"c/pets" => {
		2985	id => "infobox",
		2986	title => "Pets",
		2987	reply => undef,
		2988	tooltip => "Shows information abotu your pets/a specific pet",
		2989	},
		2990	"c/perceiveself" => {
		2991	id => "infobox",
		2992	title => "Perceive Self",
		2993	reply => undef,
		2994	tooltip => "You gained detailed knowledge about yourself",
		2995	},
		2996	"c/uptime" => {
		2997	id => "infobox",
		2998	title => "Uptime",
		2999	reply => undef,
		3000	tooltip => "How long the server has been running since last restart",
		3001	},
		3002	"c/mapinfo" => {
		3003	id => "infobox",
		3004	title => "Map Info",
		3005	reply => undef,
		3006	tooltip => "Information related to the maps",
		3007	},
		3008	"c/party" => {
		3009	id => "party",
		3010	title => "Party",
		3011	reply => "gsay ",
		3012	tooltip => "Messages and chat related to your party",
		3013	},
		3014	"c/death" => {
		3015	id => "death",
		3016	title => "Death",
		3017	reply => undef,
		3018	tooltip => "Reason for and more info about your most recent death",
		3019	},
		3020	"c/say" => $SAY_CHANNEL,
		3021	"c/chat" => $CHAT_CHANNEL,
		3022	);
		3023
2430	sub cf::client::send_msg {	3024	sub cf::client::send_msg {
2431	my ($self, $color, $type, $msg, @extra) = @_;	3025	my ($self, $channel, $msg, $color, @extra) = @_;
2432		3026
2433	$msg = $self->pl->expand_cfpod ($msg);	3027	$msg = $self->pl->expand_cfpod ($msg)
		3028	unless $color & cf::NDI_VERBATIM;
		3029
		3030	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3031
		3032	# check predefined channels, for the benefit of C
		3033	if ($CHANNEL{$channel}) {
		3034	$channel = $CHANNEL{$channel};
		3035
		3036	$self->ext_msg (channel_info => $channel);
		3037	$channel = $channel->{id};
		3038
		3039	} elsif (ref $channel) {
		3040	# send meta info to client, if not yet sent
		3041	unless (exists $self->{channel}{$channel->{id}}) {
		3042	$self->{channel}{$channel->{id}} = $channel;
		3043	$self->ext_msg (channel_info => $channel);
		3044	}
		3045
		3046	$channel = $channel->{id};
		3047	}
2434		3048
2435	return unless @extra || length $msg;	3049	return unless @extra || length $msg;
2436		3050
2437	if ($self->can_msg) {	3051	# default colour, mask it out
2438	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	3052	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2439	} else {	3053	if $color & cf::NDI_DEF;
2440	# replace some tags by gcfclient-compatible ones
2441	for ($msg) {
2442	1 while
2443	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2444	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2445	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2446	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2447	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2448	}
2449		3054
2450	if ($color >= 0) {	3055	my $pkt = "msg "
2451	if (0 && $msg =~ /\[/) {	3056	. $self->{json_coder}->encode (
2452	$self->send_packet ("drawextinfo $color 4 0 $msg")	3057	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2453	} else {	3058	);
2454	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2455	$self->send_packet ("drawinfo $color $msg")
2456	}
2457	}
2458	}
2459	}
2460		3059
		3060	$self->send_big_packet ($pkt);
		3061	}
		3062
2461	=item $client->ext_event ($type, %msg)	3063	=item $client->ext_msg ($type, @msg)
2462		3064
2463	Sends an ext event to the client.	3065	Sends an ext event to the client.
2464		3066
2465	=cut	3067	=cut
2466		3068
2467	sub cf::client::ext_event($$%) {	3069	sub cf::client::ext_msg($$@) {
2468	my ($self, $type, %msg) = @_;	3070	my ($self, $type, @msg) = @_;
2469		3071
		3072	if ($self->extcmd == 2) {
		3073	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3074	} elsif ($self->extcmd == 1) { # TODO: remove
2470	$msg{msgtype} = "event_$type";	3075	push @msg, msgtype => "event_$type";
2471	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3076	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3077	}
		3078	}
		3079
		3080	=item $client->ext_reply ($msgid, @msg)
		3081
		3082	Sends an ext reply to the client.
		3083
		3084	=cut
		3085
		3086	sub cf::client::ext_reply($$@) {
		3087	my ($self, $id, @msg) = @_;
		3088
		3089	if ($self->extcmd == 2) {
		3090	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3091	} elsif ($self->extcmd == 1) {
		3092	#TODO: version 1, remove
		3093	unshift @msg, msgtype => "reply", msgid => $id;
		3094	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3095	}
2472	}	3096	}
2473		3097
2474	=item $success = $client->query ($flags, "text", \&cb)	3098	=item $success = $client->query ($flags, "text", \&cb)
2475		3099
2476	Queues a query to the client, calling the given callback with	3100	Queues a query to the client, calling the given callback with
…		…
2531	my ($ns, $buf) = @_;	3155	my ($ns, $buf) = @_;
2532		3156
2533	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3157	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2534		3158
2535	if (ref $msg) {	3159	if (ref $msg) {
		3160	my ($type, $reply, @payload) =
		3161	"ARRAY" eq ref $msg
		3162	? @$msg
		3163	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3164
		3165	my @reply;
		3166
2536	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3167	if (my $cb = $EXTICMD{$type}) {
2537	if (my %reply = $cb->($ns, $msg)) {	3168	@reply = $cb->($ns, @payload);
2538	$reply{msgid} = $msg->{msgid};
2539	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2540	}
2541	}	3169	}
		3170
		3171	$ns->ext_reply ($reply, @reply)
		3172	if $reply;
		3173
2542	} else {	3174	} else {
2543	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3175	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2544	}	3176	}
2545		3177
2546	cf::override;	3178	cf::override;
…		…
2568		3200
2569	$coro	3201	$coro
2570	}	3202	}
2571		3203
2572	cf::client->attach (	3204	cf::client->attach (
2573	on_destroy => sub {	3205	on_client_destroy => sub {
2574	my ($ns) = @_;	3206	my ($ns) = @_;
2575		3207
2576	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3208	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2577	},	3209	},
2578	);	3210	);
…		…
2593	our $safe = new Safe "safe";	3225	our $safe = new Safe "safe";
2594	our $safe_hole = new Safe::Hole;	3226	our $safe_hole = new Safe::Hole;
2595		3227
2596	$SIG{FPE} = 'IGNORE';	3228	$SIG{FPE} = 'IGNORE';
2597		3229
2598	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3230	$safe->permit_only (Opcode::opset qw(
		3231	:base_core :base_mem :base_orig :base_math :base_loop
		3232	grepstart grepwhile mapstart mapwhile
		3233	sort time
		3234	));
2599		3235
2600	# here we export the classes and methods available to script code	3236	# here we export the classes and methods available to script code
2601		3237
2602	=pod	3238	=pod
2603		3239
2604	The following functions and methods are available within a safe environment:	3240	The following functions and methods are available within a safe environment:
2605		3241
2606	cf::object	3242	cf::object
2607	contr pay_amount pay_player map x y force_find force_add	3243	contr pay_amount pay_player map x y force_find force_add destroy
2608	insert remove	3244	insert remove name archname title slaying race decrease split
		3245	value
2609		3246
2610	cf::object::player	3247	cf::object::player
2611	player	3248	player
2612		3249
2613	cf::player	3250	cf::player
…		…
2618		3255
2619	=cut	3256	=cut
2620		3257
2621	for (	3258	for (
2622	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3259	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2623	insert remove)],	3260	insert remove inv nrof name archname title slaying race
		3261	decrease split destroy change_exp value msg lore send_msg)],
2624	["cf::object::player" => qw(player)],	3262	["cf::object::player" => qw(player)],
2625	["cf::player" => qw(peaceful)],	3263	["cf::player" => qw(peaceful send_msg)],
2626	["cf::map" => qw(trigger)],	3264	["cf::map" => qw(trigger)],
2627	) {	3265	) {
2628	no strict 'refs';	3266	no strict 'refs';
2629	my ($pkg, @funs) = @$_;	3267	my ($pkg, @funs) = @$_;
2630	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3268	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2648		3286
2649	my $qcode = $code;	3287	my $qcode = $code;
2650	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3288	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2651	$qcode =~ s/\n/\\n/g;	3289	$qcode =~ s/\n/\\n/g;
2652		3290
		3291	%vars = (_dummy => 0) unless %vars;
		3292
		3293	my @res;
2653	local $_;	3294	local $_;
2654	local @safe::cf::_safe_eval_args = values %vars;
2655		3295
2656	my $eval =	3296	my $eval =
2657	"do {\n"	3297	"do {\n"
2658	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3298	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2659	. "#line 0 \"{$qcode}\"\n"	3299	. "#line 0 \"{$qcode}\"\n"
2660	. $code	3300	. $code
2661	. "\n}"	3301	. "\n}"
2662	;	3302	;
2663		3303
		3304	if ($CFG{safe_eval}) {
2664	sub_generation_inc;	3305	sub_generation_inc;
		3306	local @safe::cf::_safe_eval_args = values %vars;
2665	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3307	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2666	sub_generation_inc;	3308	sub_generation_inc;
		3309	} else {
		3310	local @cf::_safe_eval_args = values %vars;
		3311	@res = wantarray ? eval eval : scalar eval $eval;
		3312	}
2667		3313
2668	if ($@) {	3314	if ($@) {
2669	warn "$@";	3315	warn "$@";
2670	warn "while executing safe code '$code'\n";	3316	warn "while executing safe code '$code'\n";
2671	warn "with arguments " . (join " ", %vars) . "\n";	3317	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2690	=cut	3336	=cut
2691		3337
2692	sub register_script_function {	3338	sub register_script_function {
2693	my ($fun, $cb) = @_;	3339	my ($fun, $cb) = @_;
2694		3340
2695	no strict 'refs';	3341	$fun = "safe::$fun" if $CFG{safe_eval};
2696	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3342	*$fun = $safe_hole->wrap ($cb);
2697	}	3343	}
2698		3344
2699	=back	3345	=back
2700		3346
2701	=cut	3347	=cut
…		…
2703	#############################################################################	3349	#############################################################################
2704	# the server's init and main functions	3350	# the server's init and main functions
2705		3351
2706	sub load_facedata($) {	3352	sub load_facedata($) {
2707	my ($path) = @_;	3353	my ($path) = @_;
		3354
		3355	# HACK to clear player env face cache, we need some signal framework
		3356	# for this (global event?)
		3357	%ext::player_env::MUSIC_FACE_CACHE = ();
		3358
		3359	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2708		3360
2709	warn "loading facedata from $path\n";	3361	warn "loading facedata from $path\n";
2710		3362
2711	my $facedata;	3363	my $facedata;
2712	0 < aio_load $path, $facedata	3364	0 < aio_load $path, $facedata
…		…
2715	$facedata = Coro::Storable::thaw $facedata;	3367	$facedata = Coro::Storable::thaw $facedata;
2716		3368
2717	$facedata->{version} == 2	3369	$facedata->{version} == 2
2718	or cf::cleanup "$path: version mismatch, cannot proceed.";	3370	or cf::cleanup "$path: version mismatch, cannot proceed.";
2719		3371
		3372	# patch in the exptable
		3373	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3374	$facedata->{resource}{"res/exp_table"} = {
		3375	type => FT_RSRC,
		3376	data => $exp_table,
		3377	hash => (Digest::MD5::md5 $exp_table),
		3378	};
		3379	cf::cede_to_tick;
		3380
2720	{	3381	{
2721	my $faces = $facedata->{faceinfo};	3382	my $faces = $facedata->{faceinfo};
2722		3383
2723	while (my ($face, $info) = each %$faces) {	3384	while (my ($face, $info) = each %$faces) {
2724	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3385	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3386
2725	cf::face::set_visibility $idx, $info->{visibility};	3387	cf::face::set_visibility $idx, $info->{visibility};
2726	cf::face::set_magicmap $idx, $info->{magicmap};	3388	cf::face::set_magicmap $idx, $info->{magicmap};
2727	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3389	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2728	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3390	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2729		3391
2730	cf::cede_to_tick;	3392	cf::cede_to_tick;
2731	}	3393	}
2732		3394
2733	while (my ($face, $info) = each %$faces) {	3395	while (my ($face, $info) = each %$faces) {
2734	next unless $info->{smooth};	3396	next unless $info->{smooth};
		3397
2735	my $idx = cf::face::find $face	3398	my $idx = cf::face::find $face
2736	or next;	3399	or next;
		3400
2737	if (my $smooth = cf::face::find $info->{smooth}) {	3401	if (my $smooth = cf::face::find $info->{smooth}) {
2738	cf::face::set_smooth $idx, $smooth;	3402	cf::face::set_smooth $idx, $smooth;
2739	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3403	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2740	} else {	3404	} else {
2741	warn "smooth face '$info->{smooth}' not found for face '$face'";	3405	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2755		3419
2756	cf::anim::invalidate_all; # d'oh	3420	cf::anim::invalidate_all; # d'oh
2757	}	3421	}
2758		3422
2759	{	3423	{
2760	# TODO: for gcfclient pleasure, we should give resources
2761	# that gcfclient doesn't grok a >10000 face index.
2762	my $res = $facedata->{resource};	3424	my $res = $facedata->{resource};
2763	my $enc = JSON::XS->new->utf8->canonical;
2764		3425
2765	while (my ($name, $info) = each %$res) {	3426	while (my ($name, $info) = each %$res) {
2766	my $meta = $enc->encode ({	3427	if (defined $info->{type}) {
2767	name => $name,
2768	type => $info->{type},
2769	copyright => $info->{copyright}, #TODO#
2770	});
2771	my $data = pack "(w/a*)*", $meta, $info->{data};
2772	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2773
2774	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3428	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3429
		3430	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
2775	cf::face::set_type $idx, 1;	3431	cf::face::set_type $idx, $info->{type};
2776	cf::face::set_data $idx, 0, $data, $chk;	3432	} else {
		3433	$RESOURCE{$name} = $info; # unused
		3434	}
2777		3435
2778	cf::cede_to_tick;	3436	cf::cede_to_tick;
2779	}	3437	}
2780	}	3438	}
2781		3439
		3440	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3441
2782	1	3442	1
2783	}	3443	}
2784		3444
		3445	register_exticmd fx_want => sub {
		3446	my ($ns, $want) = @_;
		3447
		3448	while (my ($k, $v) = each %$want) {
		3449	$ns->fx_want ($k, $v);
		3450	}
		3451	};
		3452
		3453	sub load_resource_file($) {
		3454	my $guard = lock_acquire "load_resource_file";
		3455
		3456	my $status = load_resource_file_ $_[0];
		3457	get_slot 0.1, 100;
		3458	cf::arch::commit_load;
		3459
		3460	$status
		3461	}
		3462
2785	sub reload_regions {	3463	sub reload_regions {
		3464	# HACK to clear player env face cache, we need some signal framework
		3465	# for this (global event?)
		3466	%ext::player_env::MUSIC_FACE_CACHE = ();
		3467
2786	load_resource_file "$MAPDIR/regions"	3468	load_resource_file "$MAPDIR/regions"
2787	or die "unable to load regions file\n";	3469	or die "unable to load regions file\n";
2788		3470
2789	for (cf::region::list) {	3471	for (cf::region::list) {
2790	$_->{match} = qr/$_->{match}/	3472	$_->{match} = qr/$_->{match}/
…		…
2798	}	3480	}
2799		3481
2800	sub reload_archetypes {	3482	sub reload_archetypes {
2801	load_resource_file "$DATADIR/archetypes"	3483	load_resource_file "$DATADIR/archetypes"
2802	or die "unable to load archetypes\n";	3484	or die "unable to load archetypes\n";
2803	#d# NEED to laod twice to resolve forward references
2804	# this really needs to be done in an extra post-pass
2805	# (which needs to be synchronous, so solve it differently)
2806	load_resource_file "$DATADIR/archetypes"
2807	or die "unable to load archetypes\n";
2808	}	3485	}
2809		3486
2810	sub reload_treasures {	3487	sub reload_treasures {
2811	load_resource_file "$DATADIR/treasures"	3488	load_resource_file "$DATADIR/treasures"
2812	or die "unable to load treasurelists\n";	3489	or die "unable to load treasurelists\n";
2813	}	3490	}
2814		3491
		3492	sub reload_sound {
		3493	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3494	or die "$DATADIR/sound $!";
		3495
		3496	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3497
		3498	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3499	my $sound = $soundconf->{compat}[$_]
		3500	or next;
		3501
		3502	my $face = cf::face::find "sound/$sound->[1]";
		3503	cf::sound::set $sound->[0] => $face;
		3504	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3505	}
		3506
		3507	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3508	my $face = cf::face::find "sound/$v";
		3509	cf::sound::set $k => $face;
		3510	}
		3511	}
		3512
2815	sub reload_resources {	3513	sub reload_resources {
2816	warn "reloading resource files...\n";	3514	warn "reloading resource files...\n";
2817		3515
		3516	reload_facedata;
		3517	reload_sound;
		3518	reload_archetypes;
2818	reload_regions;	3519	reload_regions;
2819	reload_facedata;
2820	#reload_archetypes;#d#
2821	reload_archetypes;
2822	reload_treasures;	3520	reload_treasures;
2823		3521
2824	warn "finished reloading resource files\n";	3522	warn "finished reloading resource files\n";
2825	}	3523	}
2826		3524
2827	sub init {	3525	sub reload_config {
2828	reload_resources;	3526	warn "reloading config file...\n";
2829	}
2830		3527
2831	sub cfg_load {
2832	open my $fh, "<:utf8", "$CONFDIR/config"	3528	open my $fh, "<:utf8", "$CONFDIR/config"
2833	or return;	3529	or return;
2834		3530
2835	local $/;	3531	local $/;
2836	*CFG = YAML::Syck::Load <$fh>;	3532	*CFG = YAML::XS::Load scalar <$fh>;
2837		3533
2838	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3534	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2839		3535
2840	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3536	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2841	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3537	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2842		3538
2843	if (exists $CFG{mlockall}) {	3539	if (exists $CFG{mlockall}) {
…		…
2845	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3541	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2846	and die "WARNING: m(un)lockall failed: $!\n";	3542	and die "WARNING: m(un)lockall failed: $!\n";
2847	};	3543	};
2848	warn $@ if $@;	3544	warn $@ if $@;
2849	}	3545	}
		3546
		3547	warn "finished reloading resource files\n";
		3548	}
		3549
		3550	sub pidfile() {
		3551	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3552	or die "$PIDFILE: $!";
		3553	flock $fh, &Fcntl::LOCK_EX
		3554	or die "$PIDFILE: flock: $!";
		3555	$fh
		3556	}
		3557
		3558	# make sure only one server instance is running at any one time
		3559	sub atomic {
		3560	my $fh = pidfile;
		3561
		3562	my $pid = <$fh>;
		3563	kill 9, $pid if $pid > 0;
		3564
		3565	seek $fh, 0, 0;
		3566	print $fh $$;
		3567	}
		3568
		3569	sub main_loop {
		3570	warn "EV::loop starting\n";
		3571	if (1) {
		3572	EV::loop;
		3573	}
		3574	warn "EV::loop returned\n";
		3575	goto &main_loop unless $REALLY_UNLOOP;
2850	}	3576	}
2851		3577
2852	sub main {	3578	sub main {
		3579	cf::init_globals; # initialise logging
		3580
		3581	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3582	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3583	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3584	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3585
		3586	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3587
2853	# we must not ever block the main coroutine	3588	# we must not ever block the main coroutine
2854	local $Coro::idle = sub {	3589	local $Coro::idle = sub {
2855	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3590	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2856	(async {	3591	(async {
2857	Event::one_event;	3592	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3593	EV::loop EV::LOOP_ONESHOT;
2858	})->prio (Coro::PRIO_MAX);	3594	})->prio (Coro::PRIO_MAX);
2859	};	3595	};
2860		3596
2861	cfg_load;	3597	evthread_start IO::AIO::poll_fileno;
		3598
		3599	cf::sync_job {
		3600	cf::init_experience;
		3601	cf::init_anim;
		3602	cf::init_attackmess;
		3603	cf::init_dynamic;
		3604
		3605	cf::load_settings;
		3606	cf::load_materials;
		3607
		3608	reload_resources;
		3609	reload_config;
2862	db_init;	3610	db_init;
		3611
		3612	cf::init_uuid;
		3613	cf::init_signals;
		3614	cf::init_skills;
		3615
		3616	cf::init_beforeplay;
		3617
		3618	atomic;
		3619
2863	load_extensions;	3620	load_extensions;
2864		3621
2865	$TICK_WATCHER->start;	3622	utime time, time, $RUNTIMEFILE;
2866	Event::loop;	3623
		3624	# no (long-running) fork's whatsoever before this point(!)
		3625	use POSIX ();
		3626	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3627
		3628	(pop @POST_INIT)->(0) while @POST_INIT;
		3629	};
		3630
		3631	cf::object::thawer::errors_are_fatal 0;
		3632	warn "parse errors in files are no longer fatal from this point on.\n";
		3633
		3634	main_loop;
2867	}	3635	}
2868		3636
2869	#############################################################################	3637	#############################################################################
2870	# initialisation and cleanup	3638	# initialisation and cleanup
2871		3639
2872	# install some emergency cleanup handlers	3640	# install some emergency cleanup handlers
2873	BEGIN {	3641	BEGIN {
		3642	our %SIGWATCHER = ();
2874	for my $signal (qw(INT HUP TERM)) {	3643	for my $signal (qw(INT HUP TERM)) {
2875	Event->signal (	3644	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2876	reentrant => 0,
2877	data => WF_AUTOCANCEL,
2878	signal => $signal,
2879	prio => 0,
2880	cb => sub {
2881	cf::cleanup "SIG$signal";	3645	cf::cleanup "SIG$signal";
2882	},
2883	);	3646	};
2884	}	3647	}
2885	}	3648	}
2886		3649
2887	sub write_runtime {	3650	sub write_runtime_sync {
2888	my $runtime = "$LOCALDIR/runtime";	3651	my $t0 = AE::time;
2889		3652
2890	# first touch the runtime file to show we are still running:	3653	# first touch the runtime file to show we are still running:
2891	# the fsync below can take a very very long time.	3654	# the fsync below can take a very very long time.
2892		3655
2893	IO::AIO::aio_utime $runtime, undef, undef;	3656	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2894		3657
2895	my $guard = cf::lock_acquire "write_runtime";	3658	my $guard = cf::lock_acquire "write_runtime";
2896		3659
2897	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3660	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2898	or return;	3661	or return;
2899		3662
2900	my $value = $cf::RUNTIME + 90 + 10;	3663	my $value = $cf::RUNTIME + 90 + 10;
2901	# 10 is the runtime save interval, for a monotonic clock	3664	# 10 is the runtime save interval, for a monotonic clock
2902	# 60 allows for the watchdog to kill the server.	3665	# 60 allows for the watchdog to kill the server.
…		…
2912	aio_utime $fh, undef, undef;	3675	aio_utime $fh, undef, undef;
2913		3676
2914	close $fh	3677	close $fh
2915	or return;	3678	or return;
2916		3679
2917	aio_rename "$runtime~", $runtime	3680	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2918	and return;	3681	and return;
2919		3682
2920	warn "runtime file written.\n";	3683	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
2921		3684
2922	1	3685	1
		3686	}
		3687
		3688	our $uuid_lock;
		3689	our $uuid_skip;
		3690
		3691	sub write_uuid_sync($) {
		3692	$uuid_skip ||= $_[0];
		3693
		3694	return if $uuid_lock;
		3695	local $uuid_lock = 1;
		3696
		3697	my $uuid = "$LOCALDIR/uuid";
		3698
		3699	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3700	or return;
		3701
		3702	my $value = uuid_seq uuid_cur;
		3703
		3704	unless ($value) {
		3705	warn "cowardly refusing to write zero uuid value!\n";
		3706	return;
		3707	}
		3708
		3709	my $value = uuid_str $value + $uuid_skip;
		3710	$uuid_skip = 0;
		3711
		3712	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3713	and return;
		3714
		3715	# always fsync - this file is important
		3716	aio_fsync $fh
		3717	and return;
		3718
		3719	close $fh
		3720	or return;
		3721
		3722	aio_rename "$uuid~", $uuid
		3723	and return;
		3724
		3725	warn "uuid file written ($value).\n";
		3726
		3727	1
		3728
		3729	}
		3730
		3731	sub write_uuid($$) {
		3732	my ($skip, $sync) = @_;
		3733
		3734	$sync ? write_uuid_sync $skip
		3735	: async { write_uuid_sync $skip };
2923	}	3736	}
2924		3737
2925	sub emergency_save() {	3738	sub emergency_save() {
2926	my $freeze_guard = cf::freeze_mainloop;	3739	my $freeze_guard = cf::freeze_mainloop;
2927		3740
2928	warn "enter emergency perl save\n";	3741	warn "emergency_perl_save: enter\n";
2929		3742
2930	cf::sync_job {	3743	cf::sync_job {
		3744	# this is a trade-off: we want to be very quick here, so
		3745	# save all maps without fsync, and later call a global sync
		3746	# (which in turn might be very very slow)
		3747	local $USE_FSYNC = 0;
		3748
2931	# use a peculiar iteration method to avoid tripping on perl	3749	# use a peculiar iteration method to avoid tripping on perl
2932	# refcount bugs in for. also avoids problems with players	3750	# refcount bugs in for. also avoids problems with players
2933	# and maps saved/destroyed asynchronously.	3751	# and maps saved/destroyed asynchronously.
2934	warn "begin emergency player save\n";	3752	warn "emergency_perl_save: begin player save\n";
2935	for my $login (keys %cf::PLAYER) {	3753	for my $login (keys %cf::PLAYER) {
2936	my $pl = $cf::PLAYER{$login} or next;	3754	my $pl = $cf::PLAYER{$login} or next;
2937	$pl->valid or next;	3755	$pl->valid or next;
		3756	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2938	$pl->save;	3757	$pl->save;
2939	}	3758	}
2940	warn "end emergency player save\n";	3759	warn "emergency_perl_save: end player save\n";
2941		3760
2942	warn "begin emergency map save\n";	3761	warn "emergency_perl_save: begin map save\n";
2943	for my $path (keys %cf::MAP) {	3762	for my $path (keys %cf::MAP) {
2944	my $map = $cf::MAP{$path} or next;	3763	my $map = $cf::MAP{$path} or next;
2945	$map->valid or next;	3764	$map->valid or next;
2946	$map->save;	3765	$map->save;
2947	}	3766	}
2948	warn "end emergency map save\n";	3767	warn "emergency_perl_save: end map save\n";
2949		3768
2950	warn "begin emergency database checkpoint\n";	3769	warn "emergency_perl_save: begin database checkpoint\n";
2951	BDB::db_env_txn_checkpoint $DB_ENV;	3770	BDB::db_env_txn_checkpoint $DB_ENV;
2952	warn "end emergency database checkpoint\n";	3771	warn "emergency_perl_save: end database checkpoint\n";
		3772
		3773	warn "emergency_perl_save: begin write uuid\n";
		3774	write_uuid_sync 1;
		3775	warn "emergency_perl_save: end write uuid\n";
2953	};	3776	};
2954		3777
		3778	warn "emergency_perl_save: starting sync()\n";
		3779	IO::AIO::aio_sync sub {
		3780	warn "emergency_perl_save: finished sync()\n";
		3781	};
		3782
2955	warn "leave emergency perl save\n";	3783	warn "emergency_perl_save: leave\n";
2956	}	3784	}
2957		3785
2958	sub post_cleanup {	3786	sub post_cleanup {
2959	my ($make_core) = @_;	3787	my ($make_core) = @_;
2960		3788
2961	warn Carp::longmess "post_cleanup backtrace"	3789	warn Carp::longmess "post_cleanup backtrace"
2962	if $make_core;	3790	if $make_core;
		3791
		3792	my $fh = pidfile;
		3793	unlink $PIDFILE if <$fh> == $$;
		3794	}
		3795
		3796	# a safer delete_package, copied from Symbol
		3797	sub clear_package($) {
		3798	my $pkg = shift;
		3799
		3800	# expand to full symbol table name if needed
		3801	unless ($pkg =~ /^main::.*::$/) {
		3802	$pkg = "main$pkg" if $pkg =~ /^::/;
		3803	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3804	$pkg .= '::' unless $pkg =~ /::$/;
		3805	}
		3806
		3807	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3808	my $stem_symtab = *{$stem}{HASH};
		3809
		3810	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3811	or return;
		3812
		3813	# clear all symbols
		3814	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3815	for my $name (keys %$leaf_symtab) {
		3816	_gv_clear *{"$pkg$name"};
		3817	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3818	}
2963	}	3819	}
2964		3820
2965	sub do_reload_perl() {	3821	sub do_reload_perl() {
2966	# can/must only be called in main	3822	# can/must only be called in main
2967	if ($Coro::current != $Coro::main) {	3823	if (in_main) {
2968	warn "can only reload from main coroutine";	3824	warn "can only reload from main coroutine";
2969	return;	3825	return;
2970	}	3826	}
2971		3827
		3828	return if $RELOAD++;
		3829
		3830	my $t1 = AE::time;
		3831
		3832	while ($RELOAD) {
2972	warn "reloading...";	3833	warn "reloading...";
2973		3834
2974	warn "entering sync_job";	3835	warn "entering sync_job";
2975		3836
2976	cf::sync_job {	3837	cf::sync_job {
2977	cf::write_runtime; # external watchdog should not bark	3838	cf::write_runtime_sync; # external watchdog should not bark
2978	cf::emergency_save;	3839	cf::emergency_save;
2979	cf::write_runtime; # external watchdog should not bark	3840	cf::write_runtime_sync; # external watchdog should not bark
2980		3841
2981	warn "syncing database to disk";	3842	warn "syncing database to disk";
2982	BDB::db_env_txn_checkpoint $DB_ENV;	3843	BDB::db_env_txn_checkpoint $DB_ENV;
2983		3844
2984	# if anything goes wrong in here, we should simply crash as we already saved	3845	# if anything goes wrong in here, we should simply crash as we already saved
2985		3846
2986	warn "cancelling all WF_AUTOCANCEL watchers";
2987	for (Event::all_watchers) {
2988	$_->cancel if $_->data & WF_AUTOCANCEL;
2989	}
2990
2991	warn "flushing outstanding aio requests";	3847	warn "flushing outstanding aio requests";
2992	for (;;) {
2993	BDB::flush;
2994	IO::AIO::flush;
2995	Coro::cede;
2996	last unless IO::AIO::nreqs || BDB::nreqs;	3848	while (IO::AIO::nreqs || BDB::nreqs) {
2997	warn "iterate...";	3849	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2998	}
2999
3000	++$RELOAD;
3001
3002	warn "cancelling all extension coros";
3003	$_->cancel for values %EXT_CORO;
3004	%EXT_CORO = ();
3005
3006	warn "removing commands";
3007	%COMMAND = ();
3008
3009	warn "removing ext/exti commands";
3010	%EXTCMD = ();
3011	%EXTICMD = ();
3012
3013	warn "unloading/nuking all extensions";
3014	for my $pkg (@EXTS) {
3015	warn "... unloading $pkg";
3016
3017	if (my $cb = $pkg->can ("unload")) {
3018	eval {
3019	$cb->($pkg);
3020	1
3021	} or warn "$pkg unloaded, but with errors: $@";
3022	}	3850	}
3023		3851
3024	warn "... nuking $pkg";	3852	warn "cancelling all extension coros";
3025	Symbol::delete_package $pkg;	3853	$_->cancel for values %EXT_CORO;
3026	}	3854	%EXT_CORO = ();
3027		3855
3028	warn "unloading all perl modules loaded from $LIBDIR";	3856	warn "removing commands";
3029	while (my ($k, $v) = each %INC) {	3857	%COMMAND = ();
3030	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3031		3858
		3859	warn "removing ext/exti commands";
		3860	%EXTCMD = ();
		3861	%EXTICMD = ();
		3862
		3863	warn "unloading/nuking all extensions";
		3864	for my $pkg (@EXTS) {
3032	warn "... unloading $k";	3865	warn "... unloading $pkg";
3033	delete $INC{$k};
3034		3866
3035	$k =~ s/\.pm$//;
3036	$k =~ s/\//::/g;
3037
3038	if (my $cb = $k->can ("unload_module")) {	3867	if (my $cb = $pkg->can ("unload")) {
		3868	eval {
3039	$cb->();	3869	$cb->($pkg);
		3870	1
		3871	} or warn "$pkg unloaded, but with errors: $@";
		3872	}
		3873
		3874	warn "... clearing $pkg";
		3875	clear_package $pkg;
3040	}	3876	}
3041		3877
3042	Symbol::delete_package $k;	3878	warn "unloading all perl modules loaded from $LIBDIR";
		3879	while (my ($k, $v) = each %INC) {
		3880	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3881
		3882	warn "... unloading $k";
		3883	delete $INC{$k};
		3884
		3885	$k =~ s/\.pm$//;
		3886	$k =~ s/\//::/g;
		3887
		3888	if (my $cb = $k->can ("unload_module")) {
		3889	$cb->();
		3890	}
		3891
		3892	clear_package $k;
3043	}	3893	}
3044		3894
3045	warn "getting rid of safe::, as good as possible";	3895	warn "getting rid of safe::, as good as possible";
3046	Symbol::delete_package "safe::$_"	3896	clear_package "safe::$_"
3047	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3897	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3048		3898
3049	warn "unloading cf.pm \"a bit\"";	3899	warn "unloading cf.pm \"a bit\"";
3050	delete $INC{"cf.pm"};	3900	delete $INC{"cf.pm"};
3051	delete $INC{"cf/pod.pm"};	3901	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3052		3902
3053	# don't, removes xs symbols, too,	3903	# don't, removes xs symbols, too,
3054	# and global variables created in xs	3904	# and global variables created in xs
3055	#Symbol::delete_package __PACKAGE__;	3905	#clear_package __PACKAGE__;
3056		3906
3057	warn "unload completed, starting to reload now";	3907	warn "unload completed, starting to reload now";
3058		3908
3059	warn "reloading cf.pm";	3909	warn "reloading cf.pm";
3060	require cf;	3910	require cf;
3061	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3911	cf::_connect_to_perl_1;
3062		3912
3063	warn "loading config and database again";	3913	warn "loading config and database again";
3064	cf::cfg_load;	3914	cf::reload_config;
3065		3915
3066	warn "loading extensions";	3916	warn "loading extensions";
3067	cf::load_extensions;	3917	cf::load_extensions;
3068		3918
		3919	if ($REATTACH_ON_RELOAD) {
3069	warn "reattaching attachments to objects/players";	3920	warn "reattaching attachments to objects/players";
3070	_global_reattach; # objects, sockets	3921	_global_reattach; # objects, sockets
3071	warn "reattaching attachments to maps";	3922	warn "reattaching attachments to maps";
3072	reattach $_ for values %MAP;	3923	reattach $_ for values %MAP;
3073	warn "reattaching attachments to players";	3924	warn "reattaching attachments to players";
3074	reattach $_ for values %PLAYER;	3925	reattach $_ for values %PLAYER;
		3926	}
3075		3927
		3928	warn "running post_init jobs";
		3929	(pop @POST_INIT)->(1) while @POST_INIT;
		3930
3076	warn "leaving sync_job";	3931	warn "leaving sync_job";
3077		3932
3078	1	3933	1
3079	} or do {	3934	} or do {
3080	warn $@;	3935	warn $@;
3081	warn "error while reloading, exiting.";	3936	cf::cleanup "error while reloading, exiting.";
3082	exit 1;
3083	};	3937	};
3084		3938
3085	warn "reloaded";	3939	warn "reloaded";
		3940	--$RELOAD;
		3941	}
		3942
		3943	$t1 = AE::time - $t1;
		3944	warn "reload completed in ${t1}s\n";
3086	};	3945	};
3087		3946
3088	our $RELOAD_WATCHER; # used only during reload	3947	our $RELOAD_WATCHER; # used only during reload
3089		3948
3090	sub reload_perl() {	3949	sub reload_perl() {
3091	# doing reload synchronously and two reloads happen back-to-back,	3950	# doing reload synchronously and two reloads happen back-to-back,
3092	# coro crashes during coro_state_free->destroy here.	3951	# coro crashes during coro_state_free->destroy here.
3093		3952
3094	$RELOAD_WATCHER ||= Event->timer (	3953	$RELOAD_WATCHER ||= cf::async {
3095	reentrant => 0,	3954	Coro::AIO::aio_wait cache_extensions;
3096	after => 0,	3955
3097	data => WF_AUTOCANCEL,	3956	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3098	cb => sub {
3099	do_reload_perl;	3957	do_reload_perl;
3100	undef $RELOAD_WATCHER;	3958	undef $RELOAD_WATCHER;
3101	},	3959	};
3102	);	3960	};
3103	}	3961	}
3104		3962
3105	register_command "reload" => sub {	3963	register_command "reload" => sub {
3106	my ($who, $arg) = @_;	3964	my ($who, $arg) = @_;
3107		3965
3108	if ($who->flag (FLAG_WIZ)) {	3966	if ($who->flag (FLAG_WIZ)) {
3109	$who->message ("reloading server.");	3967	$who->message ("reloading server.");
		3968	async {
		3969	$Coro::current->{desc} = "perl_reload";
3110	async { reload_perl };	3970	reload_perl;
		3971	};
3111	}	3972	}
3112	};	3973	};
3113		3974
3114	unshift @INC, $LIBDIR;	3975	unshift @INC, $LIBDIR;
3115		3976
…		…
3117		3978
3118	our @WAIT_FOR_TICK;	3979	our @WAIT_FOR_TICK;
3119	our @WAIT_FOR_TICK_BEGIN;	3980	our @WAIT_FOR_TICK_BEGIN;
3120		3981
3121	sub wait_for_tick {	3982	sub wait_for_tick {
3122	return unless $TICK_WATCHER->is_active;
3123	return if $Coro::current == $Coro::main;	3983	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3124		3984
3125	my $signal = new Coro::Signal;	3985	my $signal = new Coro::Signal;
3126	push @WAIT_FOR_TICK, $signal;	3986	push @WAIT_FOR_TICK, $signal;
3127	$signal->wait;	3987	$signal->wait;
3128	}	3988	}
3129		3989
3130	sub wait_for_tick_begin {	3990	sub wait_for_tick_begin {
3131	return unless $TICK_WATCHER->is_active;
3132	return if $Coro::current == $Coro::main;	3991	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3133		3992
3134	my $signal = new Coro::Signal;	3993	my $signal = new Coro::Signal;
3135	push @WAIT_FOR_TICK_BEGIN, $signal;	3994	push @WAIT_FOR_TICK_BEGIN, $signal;
3136	$signal->wait;	3995	$signal->wait;
3137	}	3996	}
3138		3997
3139	my $min = 1e6;#d#	3998	sub tick {
3140	my $avg = 10;
3141	$TICK_WATCHER = Event->timer (
3142	reentrant => 0,
3143	parked => 1,
3144	prio => 0,
3145	at => $NEXT_TICK || $TICK,
3146	data => WF_AUTOCANCEL,
3147	cb => sub {
3148	if ($Coro::current != $Coro::main) {	3999	if ($Coro::current != $Coro::main) {
3149	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4000	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3150	unless ++$bug_warning > 10;	4001	unless ++$bug_warning > 10;
3151	return;	4002	return;
3152	}	4003	}
3153		4004
3154	$NOW = $tick_start = Event::time;
3155
3156	cf::server_tick; # one server iteration	4005	cf::server_tick; # one server iteration
3157		4006
3158	0 && sync_job {#d#	4007	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3159	for(1..10) {
3160	my $t = Event::time;
3161	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3162	or die;
3163		4008
3164	$map->width (50);	4009	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3165	$map->height (50);	4010	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3166	$map->alloc;	4011	Coro::async_pool {
3167	$map->_load_objects ("/tmp/x.map", 1);	4012	$Coro::current->{desc} = "runtime saver";
3168	my $t = Event::time - $t;	4013	write_runtime_sync
3169		4014	or warn "ERROR: unable to write runtime file: $!";
3170	#next unless $t < 0.0013;#d#
3171	if ($t < $min) {
3172	$min = $t;
3173	}
3174	$avg = $avg * 0.99 + $t * 0.01;
3175	}
3176	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3177	exit 0;
3178	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3179	};	4015	};
		4016	}
3180		4017
3181	$RUNTIME += $TICK;
3182	$NEXT_TICK += $TICK;
3183
3184	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3185	$NEXT_RUNTIME_WRITE = $NOW + 10;
3186	Coro::async_pool {
3187	write_runtime
3188	or warn "ERROR: unable to write runtime file: $!";
3189	};
3190	}
3191
3192	# my $AFTER = Event::time;
3193	# warn $AFTER - $NOW;#d#
3194
3195	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4018	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3196	$sig->send;	4019	$sig->send;
3197	}	4020	}
3198	while (my $sig = shift @WAIT_FOR_TICK) {	4021	while (my $sig = shift @WAIT_FOR_TICK) {
3199	$sig->send;	4022	$sig->send;
3200	}	4023	}
3201		4024
3202	$NOW = Event::time;	4025	$LOAD = ($NOW - $TICK_START) / $TICK;
3203
3204	# if we are delayed by four ticks or more, skip them all
3205	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3206
3207	$TICK_WATCHER->at ($NEXT_TICK);
3208	$TICK_WATCHER->start;
3209
3210	$LOAD = ($NOW - $tick_start) / $TICK;
3211	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4026	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3212		4027
3213	_post_tick;	4028	if (0) {
3214		4029	if ($NEXT_TICK) {
3215		4030	my $jitter = $TICK_START - $NEXT_TICK;
		4031	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4032	warn "jitter $JITTER\n";#d#
		4033	}
3216	},	4034	}
3217	);	4035	}
3218		4036
3219	{	4037	{
3220	BDB::max_poll_time $TICK * 0.1;	4038	# configure BDB
3221	$BDB_POLL_WATCHER = Event->io (	4039
3222	reentrant => 0,
3223	fd => BDB::poll_fileno,
3224	poll => 'r',
3225	prio => 0,
3226	data => WF_AUTOCANCEL,
3227	cb => \&BDB::poll_cb,
3228	);
3229	BDB::min_parallel 8;	4040	BDB::min_parallel 16;
3230		4041	BDB::max_poll_reqs $TICK * 0.1;
3231	BDB::set_sync_prepare {	4042	$AnyEvent::BDB::WATCHER->priority (1);
3232	my $status;
3233	my $current = $Coro::current;
3234	(
3235	sub {
3236	$status = $!;
3237	$current->ready; undef $current;
3238	},
3239	sub {
3240	Coro::schedule while defined $current;
3241	$! = $status;
3242	},
3243	)
3244	};
3245		4043
3246	unless ($DB_ENV) {	4044	unless ($DB_ENV) {
3247	$DB_ENV = BDB::db_env_create;	4045	$DB_ENV = BDB::db_env_create;
		4046	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4047	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4048	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4049	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4050	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3248		4051
3249	cf::sync_job {	4052	cf::sync_job {
3250	eval {	4053	eval {
3251	BDB::db_env_open	4054	BDB::db_env_open
3252	$DB_ENV,	4055	$DB_ENV,
…		…
3254	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4057	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3255	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4058	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3256	0666;	4059	0666;
3257		4060
3258	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4061	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3259
3260	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3261	$DB_ENV->set_lk_detect;
3262	};	4062	};
3263		4063
3264	cf::cleanup "db_env_open(db): $@" if $@;	4064	cf::cleanup "db_env_open(db): $@" if $@;
3265	};	4065	};
3266	}	4066	}
		4067
		4068	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4069	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4070	};
		4071	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4072	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4073	};
		4074	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4075	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4076	};
3267	}	4077	}
3268		4078
3269	{	4079	{
		4080	# configure IO::AIO
		4081
3270	IO::AIO::min_parallel 8;	4082	IO::AIO::min_parallel 8;
3271
3272	undef $Coro::AIO::WATCHER;
3273	IO::AIO::max_poll_time $TICK * 0.1;	4083	IO::AIO::max_poll_time $TICK * 0.1;
3274	$AIO_POLL_WATCHER = Event->io (	4084	undef $AnyEvent::AIO::WATCHER;
3275	reentrant => 0,
3276	data => WF_AUTOCANCEL,
3277	fd => IO::AIO::poll_fileno,
3278	poll => 'r',
3279	prio => 6,
3280	cb => \&IO::AIO::poll_cb,
3281	);
3282	}	4085	}
3283		4086
3284	my $_log_backtrace;	4087	my $_log_backtrace;
3285		4088
3286	sub _log_backtrace {	4089	sub _log_backtrace {
…		…
3289	$msg =~ s/\n//;	4092	$msg =~ s/\n//;
3290		4093
3291	# limit the # of concurrent backtraces	4094	# limit the # of concurrent backtraces
3292	if ($_log_backtrace < 2) {	4095	if ($_log_backtrace < 2) {
3293	++$_log_backtrace;	4096	++$_log_backtrace;
		4097	my $perl_bt = Carp::longmess $msg;
3294	async {	4098	async {
		4099	$Coro::current->{desc} = "abt $msg";
		4100
3295	my @bt = fork_call {	4101	my @bt = fork_call {
3296	@addr = map { sprintf "%x", $_ } @addr;	4102	@addr = map { sprintf "%x", $_ } @addr;
3297	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4103	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3298	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4104	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3299	or die "addr2line: $!";	4105	or die "addr2line: $!";
…		…
3307	}	4113	}
3308		4114
3309	@funcs	4115	@funcs
3310	};	4116	};
3311		4117
3312	LOG llevInfo, "[ABT] $msg\n";	4118	LOG llevInfo, "[ABT] $perl_bt\n";
		4119	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3313	LOG llevInfo, "[ABT] $_\n" for @bt;	4120	LOG llevInfo, "[ABT] $_\n" for @bt;
3314	--$_log_backtrace;	4121	--$_log_backtrace;
3315	};	4122	};
3316	} else {	4123	} else {
3317	LOG llevInfo, "[ABT] $msg\n";	4124	LOG llevInfo, "[ABT] $msg\n";
3318	LOG llevInfo, "[ABT] [suppressed]\n";	4125	LOG llevInfo, "[ABT] [suppressed]\n";
3319	}	4126	}
3320	}	4127	}
3321		4128
3322	# load additional modules	4129	# load additional modules
3323	use cf::pod;	4130	require "cf/$_.pm" for @EXTRA_MODULES;
		4131	cf::_connect_to_perl_2;
3324		4132
3325	END { cf::emergency_save }	4133	END { cf::emergency_save }
3326		4134
3327	1	4135	1
3328		4136

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