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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.332 by root, Sat Aug 18 17:33:53 2007 UTC vs.
Revision 1.532 by root, Thu Apr 29 07:32:34 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 3.64 ();	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;
24	use Coro::Util ();	53	use Coro::Util ();
25		54
26	use JSON::XS 1.4 ();	55	use JSON::XS 2.01 ();
27	use BDB ();	56	use BDB ();
28	use Data::Dumper;	57	use Data::Dumper;
29	use Digest::MD5;
30	use Fcntl;	58	use Fcntl;
31	use YAML::Syck ();	59	use YAML::XS ();
32	use IO::AIO 2.32 ();	60	use IO::AIO ();
33	use Time::HiRes;	61	use Time::HiRes;
34	use Compress::LZF;	62	use Compress::LZF;
35	use Digest::MD5 ();	63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
36		66
37	# configure various modules to our taste	67	# configure various modules to our taste
38	#	68	#
39	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
40	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";
41	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
42		77
43	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
44		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		80
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
51		82
52	our %COMMAND = ();	83	our %COMMAND = ();
53	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
…		…
56	our %EXTCMD = ();	87	our %EXTCMD = ();
57	our %EXTICMD = ();	88	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
60		91
61	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
63		96
64	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
65	our $DATADIR = datadir;	98	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
69	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
74	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;
75		118
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	121	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
83		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
84	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
85	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript);
86		130
87	our %CFG;	131	our %CFG;
88		132
89	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
90	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
91		136
92	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
93	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
94	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
95		140
96	# 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 ∕
97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98		143
99	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)
100	our $LOADAVG; # same thing, but with alpha-smoothing	145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
101	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 $REALLY_UNLOOP; # never set to true, please :)
102		153
103	binmode STDOUT;	154	binmode STDOUT;
104	binmode STDERR;	155	binmode STDERR;
105		156
106	# read virtual server time, if available	157	# read virtual server time, if available
107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
108	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
109	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
110	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
111	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
112		165
113	mkdir $_	166	mkdir $_
114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
115		168
116	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
117		170
118	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::"} };
119		187
120	#############################################################################	188	#############################################################################
121		189
122	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
123		191
…		…
159		227
160	The raw value load value from the last tick.	228	The raw value load value from the last tick.
161		229
162	=item %cf::CFG	230	=item %cf::CFG
163		231
164	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
165	from wherever your confdir points to.	233	from wherever your confdir points to.
166		234
167	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
168		236
169	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
170	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
171	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.
172		240
173	=item @cf::INVOKE_RESULTS	241	=item @cf::INVOKE_RESULTS
174		242
175	This array contains the results of the last C<invoke ()> call. When	243	This array contains the results of the last C<invoke ()> call. When
176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	244	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
177	that call.	245	that call.
178		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
179	=back	253	=back
180		254
181	=cut	255	=cut
182		256
183	BEGIN {	257	sub error(@) { LOG llevError, join "", @_ }
184	*CORE::GLOBAL::warn = sub {	258	sub warn (@) { LOG llevWarn , join "", @_ }
		259	sub info (@) { LOG llevInfo , join "", @_ }
		260	sub debug(@) { LOG llevDebug, join "", @_ }
		261	sub trace(@) { LOG llevTrace, join "", @_ }
		262
		263	$Coro::State::WARNHOOK = sub {
185	my $msg = join "", @_;	264	my $msg = join "", @_;
186		265
187	$msg .= "\n"	266	$msg .= "\n"
188	unless $msg =~ /\n$/;	267	unless $msg =~ /\n$/;
189		268
190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	269	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191		270
192	utf8::encode $msg;
193	LOG llevError, $msg;	271	LOG llevWarn, $msg;
194	};	272	};
195	}	273
		274	$Coro::State::DIEHOOK = sub {
		275	return unless $^S eq 0; # "eq", not "=="
		276
		277	error Carp::longmess $_[0];
		278
		279	if (in_main) {#d#
		280	error "DIEHOOK called in main context, Coro bug?\n";#d#
		281	return;#d#
		282	}#d#
		283
		284	# kill coroutine otherwise
		285	Coro::terminate
		286	};
196		287
197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	288	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	289	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	290	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	291	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
207	for my $pkg (qw(	298	for my $pkg (qw(
208	cf::global cf::attachable	299	cf::global cf::attachable
209	cf::object cf::object::player	300	cf::object cf::object::player
210	cf::client cf::player	301	cf::client cf::player
211	cf::arch cf::living	302	cf::arch cf::living
		303	cf::map cf::mapspace
212	cf::map cf::party cf::region	304	cf::party cf::region
213	)) {	305	)) {
214	no strict 'refs';
215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	306	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
216	}	307	}
217		308
218	$Event::DIED = sub {	309	$EV::DIED = sub {
219	warn "error in event callback: @_";	310	Carp::cluck "error in event callback: @_";
220	};	311	};
221		312
222	#############################################################################	313	#############################################################################
223		314
224	=head2 UTILITY FUNCTIONS	315	=head2 UTILITY FUNCTIONS
…		…
246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	337	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
247	$d	338	$d
248	} || "[unable to dump $_[0]: '$@']";	339	} || "[unable to dump $_[0]: '$@']";
249	}	340	}
250		341
251	=item $ref = cf::from_json $json	342	=item $ref = cf::decode_json $json
252		343
253	Converts a JSON string into the corresponding perl data structure.	344	Converts a JSON string into the corresponding perl data structure.
254		345
255	=item $json = cf::to_json $ref	346	=item $json = cf::encode_json $ref
256		347
257	Converts a perl data structure into its JSON representation.	348	Converts a perl data structure into its JSON representation.
258		349
259	=cut	350	=cut
260		351
261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	352	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
262		353
263	sub to_json ($) { $json_coder->encode ($_[0]) }	354	sub encode_json($) { $json_coder->encode ($_[0]) }
264	sub from_json ($) { $json_coder->decode ($_[0]) }	355	sub decode_json($) { $json_coder->decode ($_[0]) }
		356
		357	=item cf::post_init { BLOCK }
		358
		359	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		360	but I<before> the server starts ticking again.
		361
		362	The cdoeblock will have a single boolean argument to indicate whether this
		363	is a reload or not.
		364
		365	=cut
		366
		367	sub post_init(&) {
		368	push @POST_INIT, shift;
		369	}
265		370
266	=item cf::lock_wait $string	371	=item cf::lock_wait $string
267		372
268	Wait until the given lock is available. See cf::lock_acquire.	373	Wait until the given lock is available. See cf::lock_acquire.
269		374
270	=item my $lock = cf::lock_acquire $string	375	=item my $lock = cf::lock_acquire $string
271		376
272	Wait until the given lock is available and then acquires it and returns	377	Wait until the given lock is available and then acquires it and returns
273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	378	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
274	for example when the coroutine gets canceled), the lock is automatically	379	for example when the coroutine gets canceled), the lock is automatically
275	returned.	380	returned.
276		381
		382	Locks are *not* recursive, locking from the same coro twice results in a
		383	deadlocked coro.
		384
277	Lock names should begin with a unique identifier (for example, cf::map::find	385	Lock names should begin with a unique identifier (for example, cf::map::find
278	uses map_find and cf::map::load uses map_load).	386	uses map_find and cf::map::load uses map_load).
279		387
280	=item $locked = cf::lock_active $string	388	=item $locked = cf::lock_active $string
281		389
282	Return true if the lock is currently active, i.e. somebody has locked it.	390	Return true if the lock is currently active, i.e. somebody has locked it.
283		391
284	=cut	392	=cut
285		393
286	our %LOCK;	394	our $LOCKS = new Coro::SemaphoreSet;
287		395
288	sub lock_wait($) {	396	sub lock_wait($) {
289	my ($key) = @_;	397	$LOCKS->wait ($_[0]);
290
291	# wait for lock, if any
292	while ($LOCK{$key}) {
293	push @{ $LOCK{$key} }, $Coro::current;
294	Coro::schedule;
295	}
296	}	398	}
297		399
298	sub lock_acquire($) {	400	sub lock_acquire($) {
299	my ($key) = @_;	401	$LOCKS->guard ($_[0])
300
301	# wait, to be sure we are not locked
302	lock_wait $key;
303
304	$LOCK{$key} = [];
305
306	Coro::guard {
307	# wake up all waiters, to be on the safe side
308	$_->ready for @{ delete $LOCK{$key} };
309	}
310	}	402	}
311		403
312	sub lock_active($) {	404	sub lock_active($) {
313	my ($key) = @_;	405	$LOCKS->count ($_[0]) < 1
314
315	! ! $LOCK{$key}
316	}	406	}
317		407
318	sub freeze_mainloop {	408	sub freeze_mainloop {
319	return unless $TICK_WATCHER->is_active;	409	tick_inhibit_inc;
320		410
321	my $guard = Coro::guard {	411	&Guard::guard (\&tick_inhibit_dec);
322	$TICK_WATCHER->start;	412	}
323	};	413
324	$TICK_WATCHER->stop;	414	=item cf::periodic $interval, $cb
325	$guard	415
		416	Like EV::periodic, but randomly selects a starting point so that the actions
		417	get spread over time.
		418
		419	=cut
		420
		421	sub periodic($$) {
		422	my ($interval, $cb) = @_;
		423
		424	my $start = rand List::Util::min 180, $interval;
		425
		426	EV::periodic $start, $interval, 0, $cb
326	}	427	}
327		428
328	=item cf::get_slot $time[, $priority[, $name]]	429	=item cf::get_slot $time[, $priority[, $name]]
329		430
330	Allocate $time seconds of blocking CPU time at priority C<$priority>:	431	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
338		439
339	=cut	440	=cut
340		441
341	our @SLOT_QUEUE;	442	our @SLOT_QUEUE;
342	our $SLOT_QUEUE;	443	our $SLOT_QUEUE;
		444	our $SLOT_DECAY = 0.9;
343		445
344	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	446	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
345	$SLOT_QUEUE = Coro::async {	447	$SLOT_QUEUE = Coro::async {
		448	$Coro::current->desc ("timeslot manager");
		449
346	my $signal = new Coro::Signal;	450	my $signal = new Coro::Signal;
		451	my $busy;
347		452
348	while () {	453	while () {
349	next_job:	454	next_job:
		455
350	my $avail = cf::till_tick;	456	my $avail = cf::till_tick;
351	if ($avail > 0.01) {	457
352	for (0 .. $#SLOT_QUEUE) {	458	for (0 .. $#SLOT_QUEUE) {
353	if ($SLOT_QUEUE[$_][0] < $avail) {	459	if ($SLOT_QUEUE[$_][0] <= $avail) {
		460	$busy = 0;
354	my $job = splice @SLOT_QUEUE, $_, 1, ();	461	my $job = splice @SLOT_QUEUE, $_, 1, ();
355	$job->[2]->send;	462	$job->[2]->send;
356	Coro::cede;	463	Coro::cede;
357	goto next_job;	464	goto next_job;
358	}	465	} else {
		466	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
359	}	467	}
360	}	468	}
361		469
362	if (@SLOT_QUEUE) {	470	if (@SLOT_QUEUE) {
363	# we do not use wait_For_tick() as it returns immediately when tick is inactive	471	# we do not use wait_for_tick() as it returns immediately when tick is inactive
364	push @cf::WAIT_FOR_TICK, $signal;	472	push @cf::WAIT_FOR_TICK, $signal;
365	$signal->wait;	473	$signal->wait;
366	} else {	474	} else {
		475	$busy = 0;
367	Coro::schedule;	476	Coro::schedule;
368	}	477	}
369	}	478	}
370	};	479	};
371		480
372	sub get_slot($;$$) {	481	sub get_slot($;$$) {
		482	return if tick_inhibit || $Coro::current == $Coro::main;
		483
373	my ($time, $pri, $name) = @_;	484	my ($time, $pri, $name) = @_;
374		485
375	$time = $TICK * .6 if $time > $TICK * .6;	486	$time = clamp $time, 0.01, $TICK * .6;
		487
376	my $sig = new Coro::Signal;	488	my $sig = new Coro::Signal;
377		489
378	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	490	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
379	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	491	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
380	$SLOT_QUEUE->ready;	492	$SLOT_QUEUE->ready;
…		…
391		503
392	BEGIN { *async = \&Coro::async_pool }	504	BEGIN { *async = \&Coro::async_pool }
393		505
394	=item cf::sync_job { BLOCK }	506	=item cf::sync_job { BLOCK }
395		507
396	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	508	The design of Deliantra requires that the main coroutine ($Coro::main)
397	is always able to handle events or runnable, as Crossfire TRT is only	509	is always able to handle events or runnable, as Deliantra is only
398	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	510	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
399	acceptable.	511	acceptable.
400		512
401	If it must be done, put the blocking parts into C<sync_job>. This will run	513	If it must be done, put the blocking parts into C<sync_job>. This will run
402	the given BLOCK in another coroutine while waiting for the result. The	514	the given BLOCK in another coroutine while waiting for the result. The
…		…
407		519
408	sub sync_job(&) {	520	sub sync_job(&) {
409	my ($job) = @_;	521	my ($job) = @_;
410		522
411	if ($Coro::current == $Coro::main) {	523	if ($Coro::current == $Coro::main) {
412	my $time = Event::time;	524	my $time = AE::time;
413		525
414	# this is the main coro, too bad, we have to block	526	# this is the main coro, too bad, we have to block
415	# till the operation succeeds, freezing the server :/	527	# till the operation succeeds, freezing the server :/
416		528
417	# TODO: use suspend/resume instead	529	LOG llevError, Carp::longmess "sync job";#d#
418	# (but this is cancel-safe)	530
419	my $freeze_guard = freeze_mainloop;	531	my $freeze_guard = freeze_mainloop;
420		532
421	my $busy = 1;	533	my $busy = 1;
422	my @res;	534	my @res;
423		535
424	(async {	536	(async {
		537	$Coro::current->desc ("sync job coro");
425	@res = eval { $job->() };	538	@res = eval { $job->() };
426	warn $@ if $@;	539	error $@ if $@;
427	undef $busy;	540	undef $busy;
428	})->prio (Coro::PRIO_MAX);	541	})->prio (Coro::PRIO_MAX);
429		542
430	while ($busy) {	543	while ($busy) {
431	Coro::cede or Event::one_event;	544	if (Coro::nready) {
		545	Coro::cede_notself;
		546	} else {
		547	EV::loop EV::LOOP_ONESHOT;
432	}	548	}
		549	}
433		550
434	$time = Event::time - $time;	551	my $time = AE::time - $time;
435		552
436	LOG llevError | logBacktrace, Carp::longmess "long sync job"
437	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
438
439	$tick_start += $time; # do not account sync jobs to server load	553	$TICK_START += $time; # do not account sync jobs to server load
440		554
441	wantarray ? @res : $res[0]	555	wantarray ? @res : $res[0]
442	} else {	556	} else {
443	# we are in another coroutine, how wonderful, everything just works	557	# we are in another coroutine, how wonderful, everything just works
444		558
…		…
469	=item fork_call { }, $args	583	=item fork_call { }, $args
470		584
471	Executes the given code block with the given arguments in a seperate	585	Executes the given code block with the given arguments in a seperate
472	process, returning the results. Everything must be serialisable with	586	process, returning the results. Everything must be serialisable with
473	Coro::Storable. May, of course, block. Note that the executed sub may	587	Coro::Storable. May, of course, block. Note that the executed sub may
474	never block itself or use any form of Event handling.	588	never block itself or use any form of event handling.
475		589
476	=cut	590	=cut
477		591
478	sub fork_call(&@) {	592	sub fork_call(&@) {
479	my ($cb, @args) = @_;	593	my ($cb, @args) = @_;
480		594
481	# we seemingly have to make a local copy of the whole thing,	595	# we seemingly have to make a local copy of the whole thing,
482	# otherwise perl prematurely frees the stuff :/	596	# otherwise perl prematurely frees the stuff :/
483	# TODO: investigate and fix (liekly this will be rather laborious)	597	# TODO: investigate and fix (likely this will be rather laborious)
484		598
485	my @res = Coro::Util::fork_eval {	599	my @res = Coro::Util::fork_eval {
486	reset_signals;	600	reset_signals;
487	&$cb	601	&$cb
488	}, @args;	602	}, @args;
489		603
490	wantarray ? @res : $res[-1]	604	wantarray ? @res : $res[-1]
491	}	605	}
492		606
		607	sub objinfo {
		608	(
		609	"counter value" => cf::object::object_count,
		610	"objects created" => cf::object::create_count,
		611	"objects destroyed" => cf::object::destroy_count,
		612	"freelist size" => cf::object::free_count,
		613	"allocated objects" => cf::object::objects_size,
		614	"active objects" => cf::object::actives_size,
		615	)
		616	}
		617
		618	=item $coin = coin_from_name $name
		619
		620	=cut
		621
		622	our %coin_alias = (
		623	"silver" => "silvercoin",
		624	"silvercoin" => "silvercoin",
		625	"silvercoins" => "silvercoin",
		626	"gold" => "goldcoin",
		627	"goldcoin" => "goldcoin",
		628	"goldcoins" => "goldcoin",
		629	"platinum" => "platinacoin",
		630	"platinumcoin" => "platinacoin",
		631	"platinumcoins" => "platinacoin",
		632	"platina" => "platinacoin",
		633	"platinacoin" => "platinacoin",
		634	"platinacoins" => "platinacoin",
		635	"royalty" => "royalty",
		636	"royalties" => "royalty",
		637	);
		638
		639	sub coin_from_name($) {
		640	$coin_alias{$_[0]}
		641	? cf::arch::find $coin_alias{$_[0]}
		642	: undef
		643	}
		644
493	=item $value = cf::db_get $family => $key	645	=item $value = cf::db_get $family => $key
494		646
495	Returns a single value from the environment database.	647	Returns a single value from the environment database.
496		648
497	=item cf::db_put $family => $key => $value	649	=item cf::db_put $family => $key => $value
498		650
499	Stores the given C<$value> in the family. It can currently store binary	651	Stores the given C<$value> in the family. It can currently store binary
500	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	652	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
501		653
		654	=item $db = cf::db_table "name"
		655
		656	Create and/or open a new database table. The string must not be "db" and must be unique
		657	within each server.
		658
502	=cut	659	=cut
		660
		661	sub db_table($) {
		662	my ($name) = @_;
		663	my $db = BDB::db_create $DB_ENV;
		664
		665	eval {
		666	$db->set_flags (BDB::CHKSUM);
		667
		668	utf8::encode $name;
		669	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		670	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		671	cf::cleanup "db_open(db): $!" if $!;
		672	};
		673	cf::cleanup "db_open(db): $@" if $@;
		674
		675	$db
		676	}
503		677
504	our $DB;	678	our $DB;
505		679
506	sub db_init {	680	sub db_init {
507	unless ($DB) {
508	$DB = BDB::db_create $DB_ENV;
509
510	cf::sync_job {	681	cf::sync_job {
511	eval {	682	$DB ||= db_table "db";
512	$DB->set_flags (BDB::CHKSUM);
513
514	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
515	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
516	cf::cleanup "db_open(db): $!" if $!;
517	};
518	cf::cleanup "db_open(db): $@" if $@;
519	};
520	}	683	};
521	}	684	}
522		685
523	sub db_get($$) {	686	sub db_get($$) {
524	my $key = "$_[0]/$_[1]";	687	my $key = "$_[0]/$_[1]";
525		688
…		…
575	if (1) {	738	if (1) {
576	$md5 =	739	$md5 =
577	join "\x00",	740	join "\x00",
578	$processversion,	741	$processversion,
579	map {	742	map {
580	Coro::cede;	743	cf::cede_to_tick;
581	($src->[$_], Digest::MD5::md5_hex $data[$_])	744	($src->[$_], Digest::MD5::md5_hex $data[$_])
582	} 0.. $#$src;	745	} 0.. $#$src;
583		746
584		747
585	my $dbmd5 = db_get cache => "$id/md5";	748	my $dbmd5 = db_get cache => "$id/md5";
…		…
592		755
593	my $t1 = Time::HiRes::time;	756	my $t1 = Time::HiRes::time;
594	my $data = $process->(\@data);	757	my $data = $process->(\@data);
595	my $t2 = Time::HiRes::time;	758	my $t2 = Time::HiRes::time;
596		759
597	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	760	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
598		761
599	db_put cache => "$id/data", $data;	762	db_put cache => "$id/data", $data;
600	db_put cache => "$id/md5" , $md5;	763	db_put cache => "$id/md5" , $md5;
601	db_put cache => "$id/meta", $meta;	764	db_put cache => "$id/meta", $meta;
602		765
…		…
612		775
613	=cut	776	=cut
614		777
615	sub datalog($@) {	778	sub datalog($@) {
616	my ($type, %kv) = @_;	779	my ($type, %kv) = @_;
617	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	780	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
618	}	781	}
619		782
620	=back	783	=back
621		784
622	=cut	785	=cut
623		786
624	#############################################################################	787	#############################################################################
625		788
626	=head2 ATTACHABLE OBJECTS	789	=head2 ATTACHABLE OBJECTS
627		790
628	Many objects in crossfire are so-called attachable objects. That means you can	791	Many objects in deliantra are so-called attachable objects. That means you can
629	attach callbacks/event handlers (a collection of which is called an "attachment")	792	attach callbacks/event handlers (a collection of which is called an "attachment")
630	to it. All such attachable objects support the following methods.	793	to it. All such attachable objects support the following methods.
631		794
632	In the following description, CLASS can be any of C<global>, C<object>	795	In the following description, CLASS can be any of C<global>, C<object>
633	C<player>, C<client> or C<map> (i.e. the attachable objects in	796	C<player>, C<client> or C<map> (i.e. the attachable objects in
634	Crossfire TRT).	797	Deliantra).
635		798
636	=over 4	799	=over 4
637		800
638	=item $attachable->attach ($attachment, key => $value...)	801	=item $attachable->attach ($attachment, key => $value...)
639		802
…		…
683	=item cf::CLASS::attachment $name, ...	846	=item cf::CLASS::attachment $name, ...
684		847
685	Register an attachment by C<$name> through which attachable objects of the	848	Register an attachment by C<$name> through which attachable objects of the
686	given CLASS can refer to this attachment.	849	given CLASS can refer to this attachment.
687		850
688	Some classes such as crossfire maps and objects can specify attachments	851	Some classes such as deliantra maps and objects can specify attachments
689	that are attached at load/instantiate time, thus the need for a name.	852	that are attached at load/instantiate time, thus the need for a name.
690		853
691	These calls expect any number of the following handler/hook descriptions:	854	These calls expect any number of the following handler/hook descriptions:
692		855
693	=over 4	856	=over 4
…		…
817		980
818	} elsif (exists $cb_id{$type}) {	981	} elsif (exists $cb_id{$type}) {
819	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	982	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
820		983
821	} elsif (ref $type) {	984	} elsif (ref $type) {
822	warn "attaching objects not supported, ignoring.\n";	985	error "attaching objects not supported, ignoring.\n";
823		986
824	} else {	987	} else {
825	shift @arg;	988	shift @arg;
826	warn "attach argument '$type' not supported, ignoring.\n";	989	error "attach argument '$type' not supported, ignoring.\n";
827	}	990	}
828	}	991	}
829	}	992	}
830		993
831	sub _object_attach {	994	sub _object_attach {
…		…
841	_attach $registry, $klass, @attach;	1004	_attach $registry, $klass, @attach;
842	}	1005	}
843		1006
844	$obj->{$name} = \%arg;	1007	$obj->{$name} = \%arg;
845	} else {	1008	} else {
846	warn "object uses attachment '$name' which is not available, postponing.\n";	1009	info "object uses attachment '$name' which is not available, postponing.\n";
847	}	1010	}
848		1011
849	$obj->{_attachment}{$name} = undef;	1012	$obj->{_attachment}{$name} = undef;
850	}	1013	}
851		1014
…		…
910		1073
911	for (@$callbacks) {	1074	for (@$callbacks) {
912	eval { &{$_->[1]} };	1075	eval { &{$_->[1]} };
913		1076
914	if ($@) {	1077	if ($@) {
915	warn "$@";
916	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1078	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
917	override;	1079	override;
918	}	1080	}
919		1081
920	return 1 if $override;	1082	return 1 if $override;
921	}	1083	}
922		1084
923	0	1085	0
924	}	1086	}
925		1087
926	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1088	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
927		1089
928	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
929		1091
930	Generate an object-specific event with the given arguments.	1092	Generate an object-specific event with the given arguments.
931		1093
…		…
937		1099
938	=cut	1100	=cut
939		1101
940	#############################################################################	1102	#############################################################################
941	# object support	1103	# object support
942	#
943		1104
		1105	sub _object_equal($$);
		1106	sub _object_equal($$) {
		1107	my ($a, $b) = @_;
		1108
		1109	return 0 unless (ref $a) eq (ref $b);
		1110
		1111	if ("HASH" eq ref $a) {
		1112	my @ka = keys %$a;
		1113	my @kb = keys %$b;
		1114
		1115	return 0 if @ka != @kb;
		1116
		1117	for (0 .. $#ka) {
		1118	return 0 unless $ka[$_] eq $kb[$_];
		1119	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1120	}
		1121
		1122	} elsif ("ARRAY" eq ref $a) {
		1123
		1124	return 0 if @$a != @$b;
		1125
		1126	for (0 .. $#$a) {
		1127	return 0 unless _object_equal $a->[$_], $b->[$_];
		1128	}
		1129
		1130	} elsif ($a ne $b) {
		1131	return 0;
		1132	}
		1133
		1134	1
		1135	}
		1136
		1137	our $SLOW_MERGES;#d#
944	sub _can_merge {	1138	sub _can_merge {
945	my ($ob1, $ob2) = @_;	1139	my ($ob1, $ob2) = @_;
946		1140
947	local $Storable::canonical = 1;	1141	++$SLOW_MERGES;#d#
948	my $fob1 = Storable::freeze $ob1;
949	my $fob2 = Storable::freeze $ob2;
950		1142
951	$fob1 eq $fob2	1143	# we do the slow way here
		1144	return _object_equal $ob1, $ob2
952	}	1145	}
953		1146
954	sub reattach {	1147	sub reattach {
955	# basically do the same as instantiate, without calling instantiate	1148	# basically do the same as instantiate, without calling instantiate
956	my ($obj) = @_;	1149	my ($obj) = @_;
957		1150
		1151	# no longer needed after getting rid of delete_package?
958	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1152	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
959		1153
960	my $registry = $obj->registry;	1154	my $registry = $obj->registry;
961		1155
962	@$registry = ();	1156	@$registry = ();
963		1157
…		…
968	for (@$attach) {	1162	for (@$attach) {
969	my ($klass, @attach) = @$_;	1163	my ($klass, @attach) = @$_;
970	_attach $registry, $klass, @attach;	1164	_attach $registry, $klass, @attach;
971	}	1165	}
972	} else {	1166	} else {
973	warn "object uses attachment '$name' that is not available, postponing.\n";	1167	info "object uses attachment '$name' that is not available, postponing.\n";
974	}	1168	}
975	}	1169	}
976	}	1170	}
977		1171
978	cf::attachable->attach (	1172	cf::attachable->attach (
979	prio => -1000000,	1173	prio => -1000000,
980	on_instantiate => sub {	1174	on_instantiate => sub {
981	my ($obj, $data) = @_;	1175	my ($obj, $data) = @_;
982		1176
983	$data = from_json $data;	1177	$data = decode_json $data;
984		1178
985	for (@$data) {	1179	for (@$data) {
986	my ($name, $args) = @$_;	1180	my ($name, $args) = @$_;
987		1181
988	$obj->attach ($name, %{$args || {} });	1182	$obj->attach ($name, %{$args || {} });
…		…
1004	sub object_freezer_save {	1198	sub object_freezer_save {
1005	my ($filename, $rdata, $objs) = @_;	1199	my ($filename, $rdata, $objs) = @_;
1006		1200
1007	sync_job {	1201	sync_job {
1008	if (length $$rdata) {	1202	if (length $$rdata) {
		1203	utf8::decode (my $decname = $filename);
1009	warn sprintf "saving %s (%d,%d)\n",	1204	trace sprintf "saving %s (%d,%d)\n",
1010	$filename, length $$rdata, scalar @$objs;	1205	$decname, length $$rdata, scalar @$objs
		1206	if $VERBOSE_IO;
1011		1207
1012	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1208	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1013	chmod SAVE_MODE, $fh;	1209	aio_chmod $fh, SAVE_MODE;
1014	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1210	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1015	aio_fsync $fh if $cf::USE_FSYNC;	1211	if ($cf::USE_FSYNC) {
		1212	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;
		1213	aio_fsync $fh;
		1214	}
1016	close $fh;	1215	aio_close $fh;
1017		1216
1018	if (@$objs) {	1217	if (@$objs) {
1019	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1218	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1020	chmod SAVE_MODE, $fh;	1219	aio_chmod $fh, SAVE_MODE;
1021	my $data = Storable::nfreeze { version => 1, objs => $objs };	1220	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1022	aio_write $fh, 0, (length $data), $data, 0;	1221	aio_write $fh, 0, (length $data), $data, 0;
1023	aio_fsync $fh if $cf::USE_FSYNC;	1222	if ($cf::USE_FSYNC) {
		1223	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;
		1224	aio_fsync $fh;
		1225	}
1024	close $fh;	1226	aio_close $fh;
1025	aio_rename "$filename.pst~", "$filename.pst";	1227	aio_rename "$filename.pst~", "$filename.pst";
1026	}	1228	}
1027	} else {	1229	} else {
1028	aio_unlink "$filename.pst";	1230	aio_unlink "$filename.pst";
1029	}	1231	}
1030		1232
1031	aio_rename "$filename~", $filename;	1233	aio_rename "$filename~", $filename;
		1234
		1235	$filename =~ s%/[^/]+$%%;
		1236	aio_pathsync $filename if $cf::USE_FSYNC;
1032	} else {	1237	} else {
1033	warn "FATAL: $filename~: $!\n";	1238	error "unable to save objects: $filename~: $!\n";
1034	}	1239	}
1035	} else {	1240	} else {
1036	aio_unlink $filename;	1241	aio_unlink $filename;
1037	aio_unlink "$filename.pst";	1242	aio_unlink "$filename.pst";
1038	}	1243	}
1039	}	1244	};
1040	}	1245	}
1041		1246
1042	sub object_freezer_as_string {	1247	sub object_freezer_as_string {
1043	my ($rdata, $objs) = @_;	1248	my ($rdata, $objs) = @_;
1044		1249
…		…
1056	or return;	1261	or return;
1057		1262
1058	unless (aio_stat "$filename.pst") {	1263	unless (aio_stat "$filename.pst") {
1059	(aio_load "$filename.pst", $av) >= 0	1264	(aio_load "$filename.pst", $av) >= 0
1060	or return;	1265	or return;
		1266
1061	$av = eval { (Storable::thaw $av)->{objs} };	1267	my $st = eval { Coro::Storable::thaw $av };
		1268	$av = $st->{objs};
1062	}	1269	}
1063		1270
		1271	utf8::decode (my $decname = $filename);
1064	warn sprintf "loading %s (%d)\n",	1272	trace sprintf "loading %s (%d,%d)\n",
1065	$filename, length $data, scalar @{$av || []};	1273	$decname, length $data, scalar @{$av || []}
		1274	if $VERBOSE_IO;
		1275
1066	return ($data, $av);	1276	($data, $av)
1067	}	1277	}
1068		1278
1069	=head2 COMMAND CALLBACKS	1279	=head2 COMMAND CALLBACKS
1070		1280
1071	=over 4	1281	=over 4
…		…
1125	my ($name, $cb) = @_;	1335	my ($name, $cb) = @_;
1126		1336
1127	$EXTICMD{$name} = $cb;	1337	$EXTICMD{$name} = $cb;
1128	}	1338	}
1129		1339
		1340	use File::Glob ();
		1341
1130	cf::player->attach (	1342	cf::player->attach (
1131	on_command => sub {	1343	on_unknown_command => sub {
1132	my ($pl, $name, $params) = @_;	1344	my ($pl, $name, $params) = @_;
1133		1345
1134	my $cb = $COMMAND{$name}	1346	my $cb = $COMMAND{$name}
1135	or return;	1347	or return;
1136		1348
…		…
1149	my ($type, $reply, @payload) =	1361	my ($type, $reply, @payload) =
1150	"ARRAY" eq ref $msg	1362	"ARRAY" eq ref $msg
1151	? @$msg	1363	? @$msg
1152	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	1364	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1153		1365
		1366	my @reply;
		1367
1154	if (my $cb = $EXTCMD{$type}) {	1368	if (my $cb = $EXTCMD{$type}) {
1155	my @reply = $cb->($pl, @payload);	1369	@reply = $cb->($pl, @payload);
1156
1157	$pl->ext_reply ($reply, @reply)
1158	if $reply;
1159	}	1370	}
		1371
		1372	$pl->ext_reply ($reply, @reply)
		1373	if $reply;
		1374
1160	} else {	1375	} else {
1161	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1376	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1162	}	1377	}
1163		1378
1164	cf::override;	1379	cf::override;
1165	},	1380	},
1166	);	1381	);
1167		1382
		1383	# "readahead" all extensions
		1384	sub cache_extensions {
		1385	my $grp = IO::AIO::aio_group;
		1386
		1387	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1388	for (grep /\.ext$/, @{$_[0]}) {
		1389	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1390	}
		1391	};
		1392
		1393	$grp
		1394	}
		1395
1168	sub load_extensions {	1396	sub load_extensions {
		1397	info "loading extensions...";
		1398
1169	cf::sync_job {	1399	cf::sync_job {
1170	my %todo;	1400	my %todo;
1171		1401
1172	for my $path (<$LIBDIR/*.ext>) {	1402	for my $path (<$LIBDIR/*.ext>) {
1173	next unless -r $path;	1403	next unless -r $path;
…		…
1191		1421
1192	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1422	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1193	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1423	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1194		1424
1195	$ext{source} =	1425	$ext{source} =
1196	"package $pkg; use strict; use utf8;\n"	1426	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1197	. "#line 1 \"$path\"\n{\n"	1427	. "#line 1 \"$path\"\n{\n"
1198	. $source	1428	. $source
1199	. "\n};\n1";	1429	. "\n};\n1";
1200		1430
1201	$todo{$base} = \%ext;	1431	$todo{$base} = \%ext;
1202	}	1432	}
1203		1433
		1434	my $pass = 0;
1204	my %done;	1435	my %done;
1205	while (%todo) {	1436	while (%todo) {
1206	my $progress;	1437	my $progress;
1207		1438
		1439	++$pass;
		1440
		1441	ext:
1208	while (my ($k, $v) = each %todo) {	1442	while (my ($k, $v) = each %todo) {
1209	for (split /,\s*/, $v->{meta}{depends}) {	1443	for (split /,\s*/, $v->{meta}{depends}) {
1210	goto skip	1444	next ext
1211	unless exists $done{$_};	1445	unless exists $done{$_};
1212	}	1446	}
1213		1447
1214	warn "... loading '$k' into '$v->{pkg}'\n";	1448	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1215		1449
1216	unless (eval $v->{source}) {	1450	my $active = eval $v->{source};
		1451
		1452	if (length $@) {
1217	my $msg = $@ ? "$v->{path}: $@\n"	1453	error "$v->{path}: $@\n";
1218	: "$v->{base}: extension inactive.\n";
1219		1454
		1455	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1220	if (exists $v->{meta}{mandatory}) {	1456	if exists $v->{meta}{mandatory};
1221	warn $msg;	1457
1222	warn "mandatory extension failed to load, exiting.\n";	1458	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1223	exit 1;	1459	delete $todo{$k};
1224	}	1460	} else {
1225		1461	$done{$k} = delete $todo{$k};
1226	warn $msg;	1462	push @EXTS, $v->{pkg};
		1463	$progress = 1;
		1464
		1465	info "$v->{base}: extension inactive.\n"
		1466	unless $active;
1227	}	1467	}
1228
1229	$done{$k} = delete $todo{$k};
1230	push @EXTS, $v->{pkg};
1231	$progress = 1;
1232	}	1468	}
1233		1469
1234	skip:	1470	unless ($progress) {
1235	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1471	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1236	unless $progress;	1472
		1473	while (my ($k, $v) = each %todo) {
		1474	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1475	if exists $v->{meta}{mandatory};
		1476	}
		1477	}
1237	}	1478	}
1238	};	1479	};
1239	}	1480	}
1240		1481
1241	#############################################################################	1482	#############################################################################
1242		1483
1243	=back	1484	=back
1244		1485
1245	=head2 CORE EXTENSIONS	1486	=head2 CORE EXTENSIONS
1246		1487
1247	Functions and methods that extend core crossfire objects.	1488	Functions and methods that extend core deliantra objects.
1248		1489
1249	=cut	1490	=cut
1250		1491
1251	package cf::player;	1492	package cf::player;
1252		1493
1253	use Coro::AIO;	1494	use Coro::AIO;
1254		1495
1255	=head3 cf::player	1496	=head3 cf::player
1256		1497
1257	=over 4	1498	=over 4
		1499
		1500	=item cf::player::num_playing
		1501
		1502	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1503
		1504	=cut
		1505
		1506	sub num_playing {
		1507	scalar grep
		1508	$_->ob->map
		1509	&& !$_->hidden
		1510	&& !$_->ob->flag (cf::FLAG_WIZ),
		1511	cf::player::list
		1512	}
1258		1513
1259	=item cf::player::find $login	1514	=item cf::player::find $login
1260		1515
1261	Returns the given player object, loading it if necessary (might block).	1516	Returns the given player object, loading it if necessary (might block).
1262		1517
…		…
1281		1536
1282	sub exists($) {	1537	sub exists($) {
1283	my ($login) = @_;	1538	my ($login) = @_;
1284		1539
1285	$cf::PLAYER{$login}	1540	$cf::PLAYER{$login}
1286	or cf::sync_job { !aio_stat path $login }	1541	or !aio_stat path $login
1287	}	1542	}
1288		1543
1289	sub find($) {	1544	sub find($) {
1290	return $cf::PLAYER{$_[0]} || do {	1545	return $cf::PLAYER{$_[0]} || do {
1291	my $login = $_[0];	1546	my $login = $_[0];
…		…
1298	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1553	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1299	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1554	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1300	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1555	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1301	aio_unlink +(playerdir $login) . "/$login.pl";	1556	aio_unlink +(playerdir $login) . "/$login.pl";
1302		1557
1303	my $pl = load_pl path $login	1558	my $f = new_from_file cf::object::thawer path $login
1304	or return;	1559	or return;
		1560
		1561	my $pl = cf::player::load_pl $f
		1562	or return;
		1563
		1564	local $cf::PLAYER_LOADING{$login} = $pl;
		1565	$f->resolve_delayed_derefs;
1305	$cf::PLAYER{$login} = $pl	1566	$cf::PLAYER{$login} = $pl
1306	}	1567	}
1307	}	1568	}
1308	}	1569	}
		1570
		1571	cf::player->attach (
		1572	on_load => sub {
		1573	my ($pl, $path) = @_;
		1574
		1575	# restore slots saved in save, below
		1576	my $slots = delete $pl->{_slots};
		1577
		1578	$pl->ob->current_weapon ($slots->[0]);
		1579	$pl->combat_ob ($slots->[1]);
		1580	$pl->ranged_ob ($slots->[2]);
		1581	},
		1582	);
1309		1583
1310	sub save($) {	1584	sub save($) {
1311	my ($pl) = @_;	1585	my ($pl) = @_;
1312		1586
1313	return if $pl->{deny_save};	1587	return if $pl->{deny_save};
…		…
1318	return if $pl->{deny_save};	1592	return if $pl->{deny_save};
1319		1593
1320	aio_mkdir playerdir $pl, 0770;	1594	aio_mkdir playerdir $pl, 0770;
1321	$pl->{last_save} = $cf::RUNTIME;	1595	$pl->{last_save} = $cf::RUNTIME;
1322		1596
		1597	cf::get_slot 0.01;
		1598
		1599	# save slots, to be restored later
		1600	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1601
1323	$pl->save_pl ($path);	1602	$pl->save_pl ($path);
1324	Coro::cede;	1603	cf::cede_to_tick;
1325	}	1604	}
1326		1605
1327	sub new($) {	1606	sub new($) {
1328	my ($login) = @_;	1607	my ($login) = @_;
1329		1608
…		…
1358	my ($pl) = @_;	1637	my ($pl) = @_;
1359		1638
1360	my $name = $pl->ob->name;	1639	my $name = $pl->ob->name;
1361		1640
1362	$pl->{deny_save} = 1;	1641	$pl->{deny_save} = 1;
1363	$pl->password ("*"); # this should lock out the player until we nuked the dir	1642	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1364		1643
1365	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1644	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1366	$pl->deactivate;	1645	$pl->deactivate;
		1646	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1367	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1647	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1368	$pl->ns->destroy if $pl->ns;	1648	$pl->ns->destroy if $pl->ns;
1369		1649
1370	my $path = playerdir $pl;	1650	my $path = playerdir $pl;
1371	my $temp = "$path~$cf::RUNTIME~deleting~";	1651	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1407	or return [];	1687	or return [];
1408		1688
1409	my @logins;	1689	my @logins;
1410		1690
1411	for my $login (@$dirs) {	1691	for my $login (@$dirs) {
		1692	my $path = path $login;
		1693
		1694	# a .pst is a dead give-away for a valid player
		1695	# if no pst file found, open and chekc for blocked users
		1696	if (aio_stat "$path.pst") {
1412	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1697	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1413	aio_read $fh, 0, 512, my $buf, 0 or next;	1698	aio_read $fh, 0, 512, my $buf, 0 or next;
1414	$buf !~ /^password -------------$/m or next; # official not-valid tag	1699	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1700	}
1415		1701
1416	utf8::decode $login;	1702	utf8::decode $login;
1417	push @logins, $login;	1703	push @logins, $login;
1418	}	1704	}
1419		1705
1420	\@logins	1706	\@logins
1421	}	1707	}
1422		1708
1423	=item $player->maps	1709	=item $player->maps
		1710
		1711	=item cf::player::maps $login
1424		1712
1425	Returns an arrayref of map paths that are private for this	1713	Returns an arrayref of map paths that are private for this
1426	player. May block.	1714	player. May block.
1427		1715
1428	=cut	1716	=cut
…		…
1446	}	1734	}
1447		1735
1448	\@paths	1736	\@paths
1449	}	1737	}
1450		1738
1451	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1739	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1452		1740
1453	Expand crossfire pod fragments into protocol xml.	1741	Expand deliantra pod fragments into protocol xml.
1454
1455	=cut
1456
1457	sub expand_cfpod {
1458	((my $self), (local $_)) = @_;
1459
1460	# escape & and <
1461	s/&/&amp;/g;
1462	s/(?<![BIUGH])</&lt;/g;
1463
1464	# this is buggy, it needs to properly take care of nested <'s
1465
1466	1 while
1467	# replace B<>, I<>, U<> etc.
1468	s/B<([^\>]*)>/<b>$1<\/b>/
1469	|| s/I<([^\>]*)>/<i>$1<\/i>/
1470	|| s/U<([^\>]*)>/<u>$1<\/u>/
1471	# replace G<male|female> tags
1472	|| s{G<([^>|]*)\|([^>]*)>}{
1473	$self->gender ? $2 : $1
1474	}ge
1475	# replace H<hint text>
1476	|| s{H<([^\>]*)>}
1477	{
1478	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1479	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1480	"")
1481	[$self->{hintmode}]
1482	}ge;
1483
1484	# create single paragraphs (very hackish)
1485	s/(?<=\S)\n(?=\w)/ /g;
1486
1487	# compress some whitespace
1488	s/\s+\n/\n/g; # ws line-ends
1489	s/\n\n+/\n/g; # double lines
1490	s/^\n+//; # beginning lines
1491	s/\n+$//; # ending lines
1492
1493	$_
1494	}
1495
1496	sub hintmode {
1497	$_[0]{hintmode} = $_[1] if @_ > 1;
1498	$_[0]{hintmode}
1499	}
1500		1742
1501	=item $player->ext_reply ($msgid, @msg)	1743	=item $player->ext_reply ($msgid, @msg)
1502		1744
1503	Sends an ext reply to the player.	1745	Sends an ext reply to the player.
1504		1746
1505	=cut	1747	=cut
1506		1748
1507	sub ext_reply($$@) {	1749	sub ext_reply($$@) {
1508	my ($self, $id, @msg) = @_;	1750	my ($self, $id, @msg) = @_;
1509		1751
1510	if ($self->ns->extcmd == 2) {	1752	$self->ns->ext_reply ($id, @msg)
1511	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1512	} elsif ($self->ns->extcmd == 1) {
1513	#TODO: version 1, remove
1514	unshift @msg, msgtype => "reply", msgid => $id;
1515	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
1516	}
1517	}	1753	}
1518		1754
1519	=item $player->ext_msg ($type, @msg)	1755	=item $player->ext_msg ($type, @msg)
1520		1756
1521	Sends an ext event to the client.	1757	Sends an ext event to the client.
…		…
1542		1778
1543	=cut	1779	=cut
1544		1780
1545	sub find_by_path($) {	1781	sub find_by_path($) {
1546	my ($path) = @_;	1782	my ($path) = @_;
		1783
		1784	$path =~ s/^~[^\/]*//; # skip ~login
1547		1785
1548	my ($match, $specificity);	1786	my ($match, $specificity);
1549		1787
1550	for my $region (list) {	1788	for my $region (list) {
1551	if ($region->{match} && $path =~ $region->{match}) {	1789	if ($region->{match} && $path =~ $region->{match}) {
…		…
1577	our $MAX_RESET = 3600;	1815	our $MAX_RESET = 3600;
1578	our $DEFAULT_RESET = 3000;	1816	our $DEFAULT_RESET = 3000;
1579		1817
1580	sub generate_random_map {	1818	sub generate_random_map {
1581	my ($self, $rmp) = @_;	1819	my ($self, $rmp) = @_;
		1820
		1821	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1822
1582	# mit "rum" bekleckern, nicht	1823	# mit "rum" bekleckern, nicht
1583	$self->_create_random_map (	1824	$self->_create_random_map (
1584	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1825	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1585	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1826	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1586	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1827	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1587	$rmp->{exit_on_final_map},	1828	$rmp->{exit_on_final_map},
1588	$rmp->{xsize}, $rmp->{ysize},	1829	$rmp->{xsize}, $rmp->{ysize},
1589	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1830	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1590	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1831	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1612		1853
1613	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1854	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1614	}	1855	}
1615		1856
1616	# also paths starting with '/'	1857	# also paths starting with '/'
1617	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1858	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1618		1859
1619	sub thawer_merge {	1860	sub thawer_merge {
1620	my ($self, $merge) = @_;	1861	my ($self, $merge) = @_;
1621		1862
1622	# we have to keep some variables in memory intact	1863	# we have to keep some variables in memory intact
…		…
1708		1949
1709	# the temporary/swap location	1950	# the temporary/swap location
1710	sub save_path {	1951	sub save_path {
1711	my ($self) = @_;	1952	my ($self) = @_;
1712		1953
1713	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1954	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1714	"$TMPDIR/$path.map"	1955	"$TMPDIR/$path.map"
1715	}	1956	}
1716		1957
1717	# the unique path, undef == no special unique path	1958	# the unique path, undef == no special unique path
1718	sub uniq_path {	1959	sub uniq_path {
1719	my ($self) = @_;	1960	my ($self) = @_;
1720		1961
1721	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1962	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1722	"$UNIQUEDIR/$path"	1963	"$UNIQUEDIR/$path"
1723	}
1724
1725	# and all this just because we cannot iterate over
1726	# all maps in C++...
1727	sub change_all_map_light {
1728	my ($change) = @_;
1729
1730	$_->change_map_light ($change)
1731	for grep $_->outdoor, values %cf::MAP;
1732	}	1964	}
1733		1965
1734	sub decay_objects {	1966	sub decay_objects {
1735	my ($self) = @_;	1967	my ($self) = @_;
1736		1968
…		…
1749		1981
1750	sub load_header_from($) {	1982	sub load_header_from($) {
1751	my ($self, $path) = @_;	1983	my ($self, $path) = @_;
1752		1984
1753	utf8::encode $path;	1985	utf8::encode $path;
1754	#aio_open $path, O_RDONLY, 0	1986	my $f = new_from_file cf::object::thawer $path
1755	# or return;
1756
1757	$self->_load_header ($path)
1758	or return;	1987	or return;
		1988
		1989	$self->_load_header ($f)
		1990	or return;
		1991
		1992	local $MAP_LOADING{$self->{path}} = $self;
		1993	$f->resolve_delayed_derefs;
1759		1994
1760	$self->{load_path} = $path;	1995	$self->{load_path} = $path;
1761		1996
1762	1	1997	1
1763	}	1998	}
…		…
1817	sub find {	2052	sub find {
1818	my ($path, $origin) = @_;	2053	my ($path, $origin) = @_;
1819		2054
1820	$path = normalise $path, $origin && $origin->path;	2055	$path = normalise $path, $origin && $origin->path;
1821		2056
		2057	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1822	cf::lock_wait "map_find:$path";	2058	my $guard2 = cf::lock_acquire "map_find:$path";
1823		2059
1824	$cf::MAP{$path} || do {	2060	$cf::MAP{$path} || do {
1825	my $guard = cf::lock_acquire "map_find:$path";
1826	my $map = new_from_path cf::map $path	2061	my $map = new_from_path cf::map $path
1827	or return;	2062	or return;
1828		2063
1829	$map->{last_save} = $cf::RUNTIME;	2064	$map->{last_save} = $cf::RUNTIME;
1830		2065
…		…
1832	or return;	2067	or return;
1833		2068
1834	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2069	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1835	# doing this can freeze the server in a sync job, obviously	2070	# doing this can freeze the server in a sync job, obviously
1836	#$cf::WAIT_FOR_TICK->wait;	2071	#$cf::WAIT_FOR_TICK->wait;
		2072	undef $guard2;
		2073	undef $guard1;
1837	$map->reset;	2074	$map->reset;
1838	undef $guard;
1839	return find $path;	2075	return find $path;
1840	}	2076	}
1841		2077
1842	$cf::MAP{$path} = $map	2078	$cf::MAP{$path} = $map
1843	}	2079	}
1844	}	2080	}
1845		2081
1846	sub pre_load { }	2082	sub pre_load { }
1847	sub post_load { }	2083	#sub post_load { } # XS
1848		2084
1849	sub load {	2085	sub load {
1850	my ($self) = @_;	2086	my ($self) = @_;
1851		2087
1852	local $self->{deny_reset} = 1; # loading can take a long time	2088	local $self->{deny_reset} = 1; # loading can take a long time
1853		2089
1854	my $path = $self->{path};	2090	my $path = $self->{path};
1855		2091
1856	{	2092	{
1857	my $guard = cf::lock_acquire "map_load:$path";	2093	my $guard = cf::lock_acquire "map_data:$path";
1858		2094
		2095	return unless $self->valid;
1859	return if $self->in_memory != cf::MAP_SWAPPED;	2096	return unless $self->in_memory == cf::MAP_SWAPPED;
1860		2097
1861	$self->in_memory (cf::MAP_LOADING);	2098	$self->in_memory (cf::MAP_LOADING);
1862		2099
1863	$self->alloc;	2100	$self->alloc;
1864		2101
1865	$self->pre_load;	2102	$self->pre_load;
1866	Coro::cede;	2103	cf::cede_to_tick;
1867		2104
		2105	my $f = new_from_file cf::object::thawer $self->{load_path};
		2106	$f->skip_block;
1868	$self->_load_objects ($self->{load_path}, 1)	2107	$self->_load_objects ($f)
1869	or return;	2108	or return;
1870		2109
1871	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2110	$self->post_load_original
1872	if delete $self->{load_original};	2111	if delete $self->{load_original};
1873		2112
1874	if (my $uniq = $self->uniq_path) {	2113	if (my $uniq = $self->uniq_path) {
1875	utf8::encode $uniq;	2114	utf8::encode $uniq;
1876	if (aio_open $uniq, O_RDONLY, 0) {	2115	unless (aio_stat $uniq) {
		2116	if (my $f = new_from_file cf::object::thawer $uniq) {
1877	$self->clear_unique_items;	2117	$self->clear_unique_items;
1878	$self->_load_objects ($uniq, 0);	2118	$self->_load_objects ($f);
		2119	$f->resolve_delayed_derefs;
		2120	}
1879	}	2121	}
1880	}	2122	}
1881		2123
1882	Coro::cede;	2124	$f->resolve_delayed_derefs;
		2125
		2126	cf::cede_to_tick;
1883	# now do the right thing for maps	2127	# now do the right thing for maps
1884	$self->link_multipart_objects;	2128	$self->link_multipart_objects;
1885	$self->difficulty ($self->estimate_difficulty)	2129	$self->difficulty ($self->estimate_difficulty)
1886	unless $self->difficulty;	2130	unless $self->difficulty;
1887	Coro::cede;	2131	cf::cede_to_tick;
1888		2132
1889	unless ($self->{deny_activate}) {	2133	unless ($self->{deny_activate}) {
1890	$self->decay_objects;	2134	$self->decay_objects;
1891	$self->fix_auto_apply;	2135	$self->fix_auto_apply;
1892	$self->update_buttons;	2136	$self->update_buttons;
1893	Coro::cede;	2137	cf::cede_to_tick;
1894	$self->set_darkness_map;
1895	Coro::cede;
1896	$self->activate;	2138	$self->activate;
1897	}	2139	}
1898		2140
1899	$self->{last_save} = $cf::RUNTIME;	2141	$self->{last_save} = $cf::RUNTIME;
1900	$self->last_access ($cf::RUNTIME);	2142	$self->last_access ($cf::RUNTIME);
1901		2143
1902	$self->in_memory (cf::MAP_IN_MEMORY);	2144	$self->in_memory (cf::MAP_ACTIVE);
1903	}	2145	}
1904		2146
1905	$self->post_load;	2147	$self->post_load;
1906	}	2148	}
1907		2149
		2150	# customize the map for a given player, i.e.
		2151	# return the _real_ map. used by e.g. per-player
		2152	# maps to change the path to ~playername/mappath
1908	sub customise_for {	2153	sub customise_for {
1909	my ($self, $ob) = @_;	2154	my ($self, $ob) = @_;
1910		2155
1911	return find "~" . $ob->name . "/" . $self->{path}	2156	return find "~" . $ob->name . "/" . $self->{path}
1912	if $self->per_player;	2157	if $self->per_player;
…		…
1916		2161
1917	$self	2162	$self
1918	}	2163	}
1919		2164
1920	# find and load all maps in the 3x3 area around a map	2165	# find and load all maps in the 3x3 area around a map
1921	sub load_diag {	2166	sub load_neighbours {
1922	my ($map) = @_;	2167	my ($map) = @_;
1923		2168
1924	my @diag; # diagonal neighbours	2169	my @neigh; # diagonal neighbours
1925		2170
1926	for (0 .. 3) {	2171	for (0 .. 3) {
1927	my $neigh = $map->tile_path ($_)	2172	my $neigh = $map->tile_path ($_)
1928	or next;	2173	or next;
1929	$neigh = find $neigh, $map	2174	$neigh = find $neigh, $map
1930	or next;	2175	or next;
1931	$neigh->load;	2176	$neigh->load;
1932		2177
		2178	# now find the diagonal neighbours
		2179	push @neigh,
1933	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2180	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1934	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2181	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1935	}	2182	}
1936		2183
1937	for (@diag) {	2184	for (grep defined $_->[0], @neigh) {
		2185	my ($path, $origin) = @$_;
1938	my $neigh = find @$_	2186	my $neigh = find $path, $origin
1939	or next;	2187	or next;
1940	$neigh->load;	2188	$neigh->load;
1941	}	2189	}
1942	}	2190	}
1943		2191
…		…
1948	}	2196	}
1949		2197
1950	sub do_load_sync {	2198	sub do_load_sync {
1951	my ($map) = @_;	2199	my ($map) = @_;
1952		2200
		2201	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2202	if $Coro::current == $Coro::main;
		2203
1953	cf::sync_job { $map->load };	2204	cf::sync_job { $map->load };
1954	}	2205	}
1955		2206
1956	our %MAP_PREFETCH;	2207	our %MAP_PREFETCH;
1957	our $MAP_PREFETCHER = undef;	2208	our $MAP_PREFETCHER = undef;
1958		2209
1959	sub find_async {	2210	sub find_async {
1960	my ($path, $origin) = @_;	2211	my ($path, $origin, $load) = @_;
1961		2212
1962	$path = normalise $path, $origin && $origin->{path};	2213	$path = normalise $path, $origin && $origin->{path};
1963		2214
1964	if (my $map = $cf::MAP{$path}) {	2215	if (my $map = $cf::MAP{$path}) {
1965	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2216	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1966	}	2217	}
1967		2218
1968	undef $MAP_PREFETCH{$path};	2219	$MAP_PREFETCH{$path} |= $load;
		2220
1969	$MAP_PREFETCHER ||= cf::async {	2221	$MAP_PREFETCHER ||= cf::async {
		2222	$Coro::current->{desc} = "map prefetcher";
		2223
1970	while (%MAP_PREFETCH) {	2224	while (%MAP_PREFETCH) {
1971	for my $path (keys %MAP_PREFETCH) {	2225	while (my ($k, $v) = each %MAP_PREFETCH) {
1972	if (my $map = find $path) {	2226	if (my $map = find $k) {
1973	$map->load;	2227	$map->load if $v;
1974	}	2228	}
1975		2229
1976	delete $MAP_PREFETCH{$path};	2230	delete $MAP_PREFETCH{$k};
1977	}	2231	}
1978	}	2232	}
1979	undef $MAP_PREFETCHER;	2233	undef $MAP_PREFETCHER;
1980	};	2234	};
1981	$MAP_PREFETCHER->prio (6);	2235	$MAP_PREFETCHER->prio (6);
1982		2236
1983	()	2237	()
1984	}	2238	}
1985		2239
		2240	# common code, used by both ->save and ->swapout
1986	sub save {	2241	sub _save {
1987	my ($self) = @_;	2242	my ($self) = @_;
1988
1989	my $lock = cf::lock_acquire "map_data:" . $self->path;
1990		2243
1991	$self->{last_save} = $cf::RUNTIME;	2244	$self->{last_save} = $cf::RUNTIME;
1992		2245
1993	return unless $self->dirty;	2246	return unless $self->dirty;
1994		2247
…		…
2000	return if $self->{deny_save};	2253	return if $self->{deny_save};
2001		2254
2002	local $self->{last_access} = $self->last_access;#d#	2255	local $self->{last_access} = $self->last_access;#d#
2003		2256
2004	cf::async {	2257	cf::async {
		2258	$Coro::current->{desc} = "map player save";
2005	$_->contr->save for $self->players;	2259	$_->contr->save for $self->players;
2006	};	2260	};
		2261
		2262	cf::get_slot 0.02;
2007		2263
2008	if ($uniq) {	2264	if ($uniq) {
2009	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2265	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2010	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2266	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2011	} else {	2267	} else {
2012	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2268	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2013	}	2269	}
2014	}	2270	}
2015		2271
		2272	sub save {
		2273	my ($self) = @_;
		2274
		2275	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2276
		2277	$self->_save;
		2278	}
		2279
2016	sub swap_out {	2280	sub swap_out {
2017	my ($self) = @_;	2281	my ($self) = @_;
2018		2282
2019	# save first because save cedes
2020	$self->save;
2021
2022	my $lock = cf::lock_acquire "map_data:" . $self->path;	2283	my $lock = cf::lock_acquire "map_data:$self->{path}";
2023		2284
		2285	return if $self->in_memory != cf::MAP_ACTIVE;
		2286	return if $self->{deny_save};
2024	return if $self->players;	2287	return if $self->players;
2025	return if $self->in_memory != cf::MAP_IN_MEMORY;
2026	return if $self->{deny_save};
2027		2288
		2289	# first deactivate the map and "unlink" it from the core
		2290	$self->deactivate;
		2291	$_->clear_links_to ($self) for values %cf::MAP;
		2292	$self->in_memory (cf::MAP_SWAPPED);
		2293
		2294	# then atomically save
		2295	$self->_save;
		2296
		2297	# then free the map
2028	$self->clear;	2298	$self->clear;
2029	$self->in_memory (cf::MAP_SWAPPED);
2030	}	2299	}
2031		2300
2032	sub reset_at {	2301	sub reset_at {
2033	my ($self) = @_;	2302	my ($self) = @_;
2034		2303
…		…
2052		2321
2053	my $lock = cf::lock_acquire "map_data:$self->{path}";	2322	my $lock = cf::lock_acquire "map_data:$self->{path}";
2054		2323
2055	return if $self->players;	2324	return if $self->players;
2056		2325
2057	warn "resetting map ", $self->path;	2326	cf::trace "resetting map ", $self->path, "\n";
2058		2327
2059	$self->in_memory (cf::MAP_SWAPPED);	2328	$self->in_memory (cf::MAP_SWAPPED);
2060		2329
2061	# need to save uniques path	2330	# need to save uniques path
2062	unless ($self->{deny_save}) {	2331	unless ($self->{deny_save}) {
…		…
2066	if $uniq;	2335	if $uniq;
2067	}	2336	}
2068		2337
2069	delete $cf::MAP{$self->path};	2338	delete $cf::MAP{$self->path};
2070		2339
		2340	$self->deactivate;
		2341	$_->clear_links_to ($self) for values %cf::MAP;
2071	$self->clear;	2342	$self->clear;
2072
2073	$_->clear_links_to ($self) for values %cf::MAP;
2074		2343
2075	$self->unlink_save;	2344	$self->unlink_save;
2076	$self->destroy;	2345	$self->destroy;
2077	}	2346	}
2078		2347
2079	my $nuke_counter = "aaaa";	2348	my $nuke_counter = "aaaa";
2080		2349
2081	sub nuke {	2350	sub nuke {
2082	my ($self) = @_;	2351	my ($self) = @_;
2083		2352
		2353	{
		2354	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2355
2084	delete $cf::MAP{$self->path};	2356	delete $cf::MAP{$self->path};
2085		2357
2086	$self->unlink_save;	2358	$self->unlink_save;
2087		2359
2088	bless $self, "cf::map";	2360	bless $self, "cf::map::wrap";
2089	delete $self->{deny_reset};	2361	delete $self->{deny_reset};
2090	$self->{deny_save} = 1;	2362	$self->{deny_save} = 1;
2091	$self->reset_timeout (1);	2363	$self->reset_timeout (1);
2092	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2364	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2093		2365
2094	$cf::MAP{$self->path} = $self;	2366	$cf::MAP{$self->path} = $self;
		2367	}
2095		2368
2096	$self->reset; # polite request, might not happen	2369	$self->reset; # polite request, might not happen
2097	}	2370	}
2098		2371
2099	=item $maps = cf::map::tmp_maps	2372	=item $maps = cf::map::tmp_maps
…		…
2141		2414
2142	sub unique_maps() {	2415	sub unique_maps() {
2143	[	2416	[
2144	map {	2417	map {
2145	utf8::decode $_;	2418	utf8::decode $_;
2146	/\.map$/	2419	s/\.map$//; # TODO future compatibility hack
		2420	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2421	? ()
2147	? normalise $_	2422	: normalise $_
2148	: ()
2149	} @{ aio_readdir $UNIQUEDIR or [] }	2423	} @{ aio_readdir $UNIQUEDIR or [] }
2150	]	2424	]
2151	}	2425	}
2152		2426
2153	package cf;	2427	=item cf::map::static_maps
		2428
		2429	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2430	file in the shared directory excluding F</styles> and F</editor>). May
		2431	block.
		2432
		2433	=cut
		2434
		2435	sub static_maps() {
		2436	my @dirs = "";
		2437	my @maps;
		2438
		2439	while (@dirs) {
		2440	my $dir = shift @dirs;
		2441
		2442	next if $dir eq "/styles" || $dir eq "/editor";
		2443
		2444	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2445	or return;
		2446
		2447	for (@$files) {
		2448	s/\.map$// or next;
		2449	utf8::decode $_;
		2450	push @maps, "$dir/$_";
		2451	}
		2452
		2453	push @dirs, map "$dir/$_", @$dirs;
		2454	}
		2455
		2456	\@maps
		2457	}
2154		2458
2155	=back	2459	=back
2156		2460
2157	=head3 cf::object	2461	=head3 cf::object
2158		2462
…		…
2162		2466
2163	=over 4	2467	=over 4
2164		2468
2165	=item $ob->inv_recursive	2469	=item $ob->inv_recursive
2166		2470
2167	Returns the inventory of the object _and_ their inventories, recursively.	2471	Returns the inventory of the object I<and> their inventories, recursively,
		2472	but I<not> the object itself.
2168		2473
2169	=cut	2474	=cut
2170		2475
2171	sub inv_recursive_;	2476	sub inv_recursive_;
2172	sub inv_recursive_ {	2477	sub inv_recursive_ {
…		…
2175		2480
2176	sub inv_recursive {	2481	sub inv_recursive {
2177	inv_recursive_ inv $_[0]	2482	inv_recursive_ inv $_[0]
2178	}	2483	}
2179		2484
		2485	=item $ref = $ob->ref
		2486
		2487	Creates and returns a persistent reference to an object that can be stored as a string.
		2488
		2489	=item $ob = cf::object::deref ($refstring)
		2490
		2491	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2492	even if the object actually exists. May block.
		2493
		2494	=cut
		2495
		2496	sub deref {
		2497	my ($ref) = @_;
		2498
		2499	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2500	my ($uuid, $name) = ($1, $2);
		2501	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2502	or return;
		2503	$pl->ob->uuid eq $uuid
		2504	or return;
		2505
		2506	$pl->ob
		2507	} else {
		2508	warn "$ref: cannot resolve object reference\n";
		2509	undef
		2510	}
		2511	}
		2512
2180	package cf;	2513	package cf;
2181		2514
2182	=back	2515	=back
2183		2516
2184	=head3 cf::object::player	2517	=head3 cf::object::player
…		…
2190	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2523	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2191	can be C<undef>. Does the right thing when the player is currently in a	2524	can be C<undef>. Does the right thing when the player is currently in a
2192	dialogue with the given NPC character.	2525	dialogue with the given NPC character.
2193		2526
2194	=cut	2527	=cut
		2528
		2529	our $SAY_CHANNEL = {
		2530	id => "say",
		2531	title => "Map",
		2532	reply => "say ",
		2533	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2534	};
		2535
		2536	our $CHAT_CHANNEL = {
		2537	id => "chat",
		2538	title => "Chat",
		2539	reply => "chat ",
		2540	tooltip => "Player chat and shouts, global to the server.",
		2541	};
2195		2542
2196	# rough implementation of a future "reply" method that works	2543	# rough implementation of a future "reply" method that works
2197	# with dialog boxes.	2544	# with dialog boxes.
2198	#TODO: the first argument must go, split into a $npc->reply_to ( method	2545	#TODO: the first argument must go, split into a $npc->reply_to ( method
2199	sub cf::object::player::reply($$$;$) {	2546	sub cf::object::player::reply($$$;$) {
…		…
2211	my $dialog = $pl->{npc_dialog};	2558	my $dialog = $pl->{npc_dialog};
2212	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2559	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2213		2560
2214	} else {	2561	} else {
2215	$msg = $npc->name . " says: $msg" if $npc;	2562	$msg = $npc->name . " says: $msg" if $npc;
2216	$self->message ($msg, $flags);	2563	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2217	}	2564	}
2218	}	2565	}
2219	}	2566	}
2220		2567
2221	=item $object->send_msg ($channel, $msg, $color, [extra...])	2568	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2246		2593
2247	=item $player_object->enter_link	2594	=item $player_object->enter_link
2248		2595
2249	Freezes the player and moves him/her to a special map (C<{link}>).	2596	Freezes the player and moves him/her to a special map (C<{link}>).
2250		2597
2251	The player should be reasonably safe there for short amounts of time. You	2598	The player should be reasonably safe there for short amounts of time (e.g.
2252	I<MUST> call C<leave_link> as soon as possible, though.	2599	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2600	though, as the player cannot control the character while it is on the link
		2601	map.
2253		2602
2254	Will never block.	2603	Will never block.
2255		2604
2256	=item $player_object->leave_link ($map, $x, $y)	2605	=item $player_object->leave_link ($map, $x, $y)
2257		2606
…		…
2277	sub cf::object::player::enter_link {	2626	sub cf::object::player::enter_link {
2278	my ($self) = @_;	2627	my ($self) = @_;
2279		2628
2280	$self->deactivate_recursive;	2629	$self->deactivate_recursive;
2281		2630
		2631	++$self->{_link_recursion};
		2632
2282	return if UNIVERSAL::isa $self->map, "ext::map_link";	2633	return if UNIVERSAL::isa $self->map, "ext::map_link";
2283		2634
2284	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2635	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2285	if $self->map && $self->map->{path} ne "{link}";	2636	if $self->map && $self->map->{path} ne "{link}";
2286		2637
2287	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2638	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2288	}	2639	}
2289		2640
2290	sub cf::object::player::leave_link {	2641	sub cf::object::player::leave_link {
2291	my ($self, $map, $x, $y) = @_;	2642	my ($self, $map, $x, $y) = @_;
2292		2643
…		…
2309	($x, $y) = (-1, -1)	2660	($x, $y) = (-1, -1)
2310	unless (defined $x) && (defined $y);	2661	unless (defined $x) && (defined $y);
2311		2662
2312	# use -1 or undef as default coordinates, not 0, 0	2663	# use -1 or undef as default coordinates, not 0, 0
2313	($x, $y) = ($map->enter_x, $map->enter_y)	2664	($x, $y) = ($map->enter_x, $map->enter_y)
2314	if $x <=0 && $y <= 0;	2665	if $x <= 0 && $y <= 0;
2315		2666
2316	$map->load;	2667	$map->load;
2317	$map->load_diag;	2668	$map->load_neighbours;
2318		2669
2319	return unless $self->contr->active;	2670	return unless $self->contr->active;
2320	$self->activate_recursive;
2321		2671
2322	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2672	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2323	$self->enter_map ($map, $x, $y);	2673	if ($self->enter_map ($map, $x, $y)) {
2324	}	2674	# entering was successful
		2675	delete $self->{_link_recursion};
		2676	# only activate afterwards, to support waiting in hooks
		2677	$self->activate_recursive;
		2678	}
2325		2679
		2680	}
		2681
2326	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2682	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2327		2683
2328	Moves the player to the given map-path and coordinates by first freezing	2684	Moves the player to the given map-path and coordinates by first freezing
2329	her, loading and preparing them map, calling the provided $check callback	2685	her, loading and preparing them map, calling the provided $check callback
2330	that has to return the map if sucecssful, and then unfreezes the player on	2686	that has to return the map if sucecssful, and then unfreezes the player on
2331	the new (success) or old (failed) map position. In either case, $done will	2687	the new (success) or old (failed) map position. In either case, $done will
2332	be called at the end of this process.	2688	be called at the end of this process.
2333		2689
		2690	Note that $check will be called with a potentially non-loaded map, so if
		2691	it needs a loaded map it has to call C<< ->load >>.
		2692
2334	=cut	2693	=cut
2335		2694
2336	our $GOTOGEN;	2695	our $GOTOGEN;
2337		2696
2338	sub cf::object::player::goto {	2697	sub cf::object::player::goto {
2339	my ($self, $path, $x, $y, $check, $done) = @_;	2698	my ($self, $path, $x, $y, $check, $done) = @_;
2340		2699
		2700	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2701	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2702	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2703	($path, $x, $y) = @$EMERGENCY_POSITION;
		2704	}
		2705
2341	# do generation counting so two concurrent goto's will be executed in-order	2706	# do generation counting so two concurrent goto's will be executed in-order
2342	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2707	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2343		2708
2344	$self->enter_link;	2709	$self->enter_link;
2345		2710
2346	(async {	2711	(async {
		2712	$Coro::current->{desc} = "player::goto $path $x $y";
		2713
		2714	# *tag paths override both path and x|y
		2715	if ($path =~ /^\*(.*)$/) {
		2716	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2717	my $ob = $obs[rand @obs];
		2718
		2719	# see if we actually can go there
		2720	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2721	$ob = $obs[rand @obs];
		2722	} else {
		2723	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2724	}
		2725	# else put us there anyways for now #d#
		2726
		2727	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2728	} else {
		2729	($path, $x, $y) = (undef, undef, undef);
		2730	}
		2731	}
		2732
2347	my $map = eval {	2733	my $map = eval {
2348	my $map = cf::map::find $path;	2734	my $map = defined $path ? cf::map::find $path : undef;
2349		2735
2350	if ($map) {	2736	if ($map) {
2351	$map = $map->customise_for ($self);	2737	$map = $map->customise_for ($self);
2352	$map = $check->($map) if $check && $map;	2738	$map = $check->($map, $x, $y, $self) if $check && $map;
2353	} else {	2739	} else {
2354	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2740	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2355	}	2741	}
2356		2742
2357	$map	2743	$map
2358	};	2744	};
2359		2745
…		…
2365	if ($gen == $self->{_goto_generation}) {	2751	if ($gen == $self->{_goto_generation}) {
2366	delete $self->{_goto_generation};	2752	delete $self->{_goto_generation};
2367	$self->leave_link ($map, $x, $y);	2753	$self->leave_link ($map, $x, $y);
2368	}	2754	}
2369		2755
2370	$done->() if $done;	2756	$done->($self) if $done;
2371	})->prio (1);	2757	})->prio (1);
2372	}	2758	}
2373		2759
2374	=item $player_object->enter_exit ($exit_object)	2760	=item $player_object->enter_exit ($exit_object)
2375		2761
…		…
2395	}	2781	}
2396		2782
2397	sub prepare_random_map {	2783	sub prepare_random_map {
2398	my ($exit) = @_;	2784	my ($exit) = @_;
2399		2785
2400	my $guard = cf::lock_acquire "exit_prepare:$exit";
2401
2402	# all this does is basically replace the /! path by	2786	# all this does is basically replace the /! path by
2403	# a new random map path (?random/...) with a seed	2787	# a new random map path (?random/...) with a seed
2404	# that depends on the exit object	2788	# that depends on the exit object
2405		2789
2406	my $rmp = parse_random_map_params $exit->msg;	2790	my $rmp = parse_random_map_params $exit->msg;
…		…
2408	if ($exit->map) {	2792	if ($exit->map) {
2409	$rmp->{region} = $exit->region->name;	2793	$rmp->{region} = $exit->region->name;
2410	$rmp->{origin_map} = $exit->map->path;	2794	$rmp->{origin_map} = $exit->map->path;
2411	$rmp->{origin_x} = $exit->x;	2795	$rmp->{origin_x} = $exit->x;
2412	$rmp->{origin_y} = $exit->y;	2796	$rmp->{origin_y} = $exit->y;
		2797
		2798	$exit->map->touch;
2413	}	2799	}
2414		2800
2415	$rmp->{random_seed} ||= $exit->random_seed;	2801	$rmp->{random_seed} ||= $exit->random_seed;
2416		2802
2417	my $data = cf::to_json $rmp;	2803	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2418	my $md5 = Digest::MD5::md5_hex $data;	2804	my $md5 = Digest::MD5::md5_hex $data;
2419	my $meta = "$RANDOMDIR/$md5.meta";	2805	my $meta = "$RANDOMDIR/$md5.meta";
2420		2806
2421	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2807	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2422	aio_write $fh, 0, (length $data), $data, 0;	2808	aio_write $fh, 0, (length $data), $data, 0;
2423	undef $fh;	2809	undef $fh;
2424	aio_rename "$meta~", $meta;	2810	aio_rename "$meta~", $meta;
2425		2811
		2812	my $slaying = "?random/$md5";
		2813
		2814	if ($exit->valid) {
2426	$exit->slaying ("?random/$md5");	2815	$exit->slaying ("?random/$md5");
2427	$exit->msg (undef);	2816	$exit->msg (undef);
		2817	}
2428	}	2818	}
2429	}	2819	}
2430		2820
2431	sub cf::object::player::enter_exit {	2821	sub cf::object::player::enter_exit {
2432	my ($self, $exit) = @_;	2822	my ($self, $exit) = @_;
2433		2823
2434	return unless $self->type == cf::PLAYER;	2824	return unless $self->type == cf::PLAYER;
2435		2825
2436	if ($exit->slaying eq "/!") {
2437	#TODO: this should de-fi-ni-te-ly not be a sync-job
2438	# the problem is that $exit might not survive long enough
2439	# so it needs to be done right now, right here
2440	cf::sync_job { prepare_random_map $exit };
2441	}
2442
2443	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2444	my $hp = $exit->stats->hp;
2445	my $sp = $exit->stats->sp;
2446
2447	$self->enter_link;	2826	$self->enter_link;
2448		2827
2449	# if exit is damned, update players death & WoR home-position
2450	$self->contr->savebed ($slaying, $hp, $sp)
2451	if $exit->flag (FLAG_DAMNED);
2452
2453	(async {	2828	(async {
2454	$self->deactivate_recursive; # just to be sure	2829	$Coro::current->{desc} = "enter_exit";
		2830
2455	unless (eval {	2831	unless (eval {
		2832	$self->deactivate_recursive; # just to be sure
		2833
		2834	# random map handling
		2835	{
		2836	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2837
		2838	prepare_random_map $exit
		2839	if $exit->slaying eq "/!";
		2840	}
		2841
		2842	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2843	my $x = $exit->stats->hp;
		2844	my $y = $exit->stats->sp;
		2845
2456	$self->goto ($slaying, $hp, $sp);	2846	$self->goto ($map, $x, $y);
2457		2847
		2848	# if exit is damned, update players death & WoR home-position
		2849	$self->contr->savebed ($map, $x, $y)
		2850	if $exit->flag (cf::FLAG_DAMNED);
		2851
2458	1;	2852	1
2459	}) {	2853	}) {
2460	$self->message ("Something went wrong deep within the crossfire server. "	2854	$self->message ("Something went wrong deep within the deliantra server. "
2461	. "I'll try to bring you back to the map you were before. "	2855	. "I'll try to bring you back to the map you were before. "
2462	. "Please report this to the dungeon master!",	2856	. "Please report this to the dungeon master!",
2463	cf::NDI_UNIQUE | cf::NDI_RED);	2857	cf::NDI_UNIQUE | cf::NDI_RED);
2464		2858
2465	warn "ERROR in enter_exit: $@";	2859	error "ERROR in enter_exit: $@";
2466	$self->leave_link;	2860	$self->leave_link;
2467	}	2861	}
2468	})->prio (1);	2862	})->prio (1);
2469	}	2863	}
2470		2864
…		…
2482	sub cf::client::send_drawinfo {	2876	sub cf::client::send_drawinfo {
2483	my ($self, $text, $flags) = @_;	2877	my ($self, $text, $flags) = @_;
2484		2878
2485	utf8::encode $text;	2879	utf8::encode $text;
2486	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2880	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2881	}
		2882
		2883	=item $client->send_big_packet ($pkt)
		2884
		2885	Like C<send_packet>, but tries to compress large packets, and fragments
		2886	them as required.
		2887
		2888	=cut
		2889
		2890	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2891
		2892	sub cf::client::send_big_packet {
		2893	my ($self, $pkt) = @_;
		2894
		2895	# try lzf for large packets
		2896	$pkt = "lzf " . Compress::LZF::compress $pkt
		2897	if 1024 <= length $pkt and $self->{can_lzf};
		2898
		2899	# split very large packets
		2900	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2901	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2902	$pkt = "frag";
		2903	}
		2904
		2905	$self->send_packet ($pkt);
2487	}	2906	}
2488		2907
2489	=item $client->send_msg ($channel, $msg, $color, [extra...])	2908	=item $client->send_msg ($channel, $msg, $color, [extra...])
2490		2909
2491	Send a drawinfo or msg packet to the client, formatting the msg for the	2910	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2493	the message, with C<log> being the default. If C<$color> is negative, suppress	2912	the message, with C<log> being the default. If C<$color> is negative, suppress
2494	the message unless the client supports the msg packet.	2913	the message unless the client supports the msg packet.
2495		2914
2496	=cut	2915	=cut
2497		2916
		2917	# non-persistent channels (usually the info channel)
		2918	our %CHANNEL = (
		2919	"c/motd" => {
		2920	id => "infobox",
		2921	title => "MOTD",
		2922	reply => undef,
		2923	tooltip => "The message of the day",
		2924	},
		2925	"c/identify" => {
		2926	id => "infobox",
		2927	title => "Identify",
		2928	reply => undef,
		2929	tooltip => "Items recently identified",
		2930	},
		2931	"c/examine" => {
		2932	id => "infobox",
		2933	title => "Examine",
		2934	reply => undef,
		2935	tooltip => "Signs and other items you examined",
		2936	},
		2937	"c/shopinfo" => {
		2938	id => "infobox",
		2939	title => "Shop Info",
		2940	reply => undef,
		2941	tooltip => "What your bargaining skill tells you about the shop",
		2942	},
		2943	"c/book" => {
		2944	id => "infobox",
		2945	title => "Book",
		2946	reply => undef,
		2947	tooltip => "The contents of a note or book",
		2948	},
		2949	"c/lookat" => {
		2950	id => "infobox",
		2951	title => "Look",
		2952	reply => undef,
		2953	tooltip => "What you saw there",
		2954	},
		2955	"c/who" => {
		2956	id => "infobox",
		2957	title => "Players",
		2958	reply => undef,
		2959	tooltip => "Shows players who are currently online",
		2960	},
		2961	"c/body" => {
		2962	id => "infobox",
		2963	title => "Body Parts",
		2964	reply => undef,
		2965	tooltip => "Shows which body parts you posess and are available",
		2966	},
		2967	"c/statistics" => {
		2968	id => "infobox",
		2969	title => "Statistics",
		2970	reply => undef,
		2971	tooltip => "Shows your primary statistics",
		2972	},
		2973	"c/skills" => {
		2974	id => "infobox",
		2975	title => "Skills",
		2976	reply => undef,
		2977	tooltip => "Shows your experience per skill and item power",
		2978	},
		2979	"c/shopitems" => {
		2980	id => "infobox",
		2981	title => "Shop Items",
		2982	reply => undef,
		2983	tooltip => "Shows the items currently for sale in this shop",
		2984	},
		2985	"c/resistances" => {
		2986	id => "infobox",
		2987	title => "Resistances",
		2988	reply => undef,
		2989	tooltip => "Shows your resistances",
		2990	},
		2991	"c/pets" => {
		2992	id => "infobox",
		2993	title => "Pets",
		2994	reply => undef,
		2995	tooltip => "Shows information abotu your pets/a specific pet",
		2996	},
		2997	"c/perceiveself" => {
		2998	id => "infobox",
		2999	title => "Perceive Self",
		3000	reply => undef,
		3001	tooltip => "You gained detailed knowledge about yourself",
		3002	},
		3003	"c/uptime" => {
		3004	id => "infobox",
		3005	title => "Uptime",
		3006	reply => undef,
		3007	tooltip => "How long the server has been running since last restart",
		3008	},
		3009	"c/mapinfo" => {
		3010	id => "infobox",
		3011	title => "Map Info",
		3012	reply => undef,
		3013	tooltip => "Information related to the maps",
		3014	},
		3015	"c/party" => {
		3016	id => "party",
		3017	title => "Party",
		3018	reply => "gsay ",
		3019	tooltip => "Messages and chat related to your party",
		3020	},
		3021	"c/death" => {
		3022	id => "death",
		3023	title => "Death",
		3024	reply => undef,
		3025	tooltip => "Reason for and more info about your most recent death",
		3026	},
		3027	"c/say" => $SAY_CHANNEL,
		3028	"c/chat" => $CHAT_CHANNEL,
		3029	);
		3030
2498	sub cf::client::send_msg {	3031	sub cf::client::send_msg {
2499	my ($self, $channel, $msg, $color, @extra) = @_;	3032	my ($self, $channel, $msg, $color, @extra) = @_;
2500		3033
2501	$msg = $self->pl->expand_cfpod ($msg);	3034	$msg = $self->pl->expand_cfpod ($msg)
		3035	unless $color & cf::NDI_VERBATIM;
2502		3036
2503	$color &= cf::NDI_CLIENT_MASK; # just in case...	3037	$color &= cf::NDI_CLIENT_MASK; # just in case...
2504		3038
		3039	# check predefined channels, for the benefit of C
		3040	if ($CHANNEL{$channel}) {
		3041	$channel = $CHANNEL{$channel};
		3042
		3043	$self->ext_msg (channel_info => $channel);
		3044	$channel = $channel->{id};
		3045
2505	if (ref $channel) {	3046	} elsif (ref $channel) {
2506	# send meta info to client, if not yet sent	3047	# send meta info to client, if not yet sent
2507	unless (exists $self->{channel}{$channel->{id}}) {	3048	unless (exists $self->{channel}{$channel->{id}}) {
2508	$self->{channel}{$channel->{id}} = $channel;	3049	$self->{channel}{$channel->{id}} = $channel;
2509	$self->ext_msg (channel_info => $channel);	3050	$self->ext_msg (channel_info => $channel);
2510	}	3051	}
…		…
2512	$channel = $channel->{id};	3053	$channel = $channel->{id};
2513	}	3054	}
2514		3055
2515	return unless @extra || length $msg;	3056	return unless @extra || length $msg;
2516		3057
2517	if ($self->can_msg) {
2518	# default colour, mask it out	3058	# default colour, mask it out
2519	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3059	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2520	if $color & cf::NDI_DEF;	3060	if $color & cf::NDI_DEF;
2521		3061
2522	$self->send_packet ("msg " . $self->{json_coder}->encode (	3062	my $pkt = "msg "
		3063	. $self->{json_coder}->encode (
2523	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3064	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2524	} else {	3065	);
2525	if ($color >= 0) {
2526	# replace some tags by gcfclient-compatible ones
2527	for ($msg) {
2528	1 while
2529	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2530	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2531	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2532	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2533	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2534	}
2535		3066
2536	$color &= cf::NDI_COLOR_MASK;	3067	$self->send_big_packet ($pkt);
2537
2538	utf8::encode $msg;
2539
2540	if (0 && $msg =~ /\[/) {
2541	# COMMAND/INFO
2542	$self->send_packet ("drawextinfo $color 10 8 $msg")
2543	} else {
2544	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2545	$self->send_packet ("drawinfo $color $msg")
2546	}
2547	}
2548	}
2549	}	3068	}
2550		3069
2551	=item $client->ext_msg ($type, @msg)	3070	=item $client->ext_msg ($type, @msg)
2552		3071
2553	Sends an ext event to the client.	3072	Sends an ext event to the client.
…		…
2555	=cut	3074	=cut
2556		3075
2557	sub cf::client::ext_msg($$@) {	3076	sub cf::client::ext_msg($$@) {
2558	my ($self, $type, @msg) = @_;	3077	my ($self, $type, @msg) = @_;
2559		3078
2560	my $extcmd = $self->extcmd;
2561
2562	if ($extcmd == 2) {	3079	if ($self->extcmd == 2) {
2563	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3080	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2564	} elsif ($extcmd == 1) { # TODO: remove	3081	} elsif ($self->extcmd == 1) { # TODO: remove
2565	push @msg, msgtype => "event_$type";	3082	push @msg, msgtype => "event_$type";
2566	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3083	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3084	}
		3085	}
		3086
		3087	=item $client->ext_reply ($msgid, @msg)
		3088
		3089	Sends an ext reply to the client.
		3090
		3091	=cut
		3092
		3093	sub cf::client::ext_reply($$@) {
		3094	my ($self, $id, @msg) = @_;
		3095
		3096	if ($self->extcmd == 2) {
		3097	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3098	} elsif ($self->extcmd == 1) {
		3099	#TODO: version 1, remove
		3100	unshift @msg, msgtype => "reply", msgid => $id;
		3101	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2567	}	3102	}
2568	}	3103	}
2569		3104
2570	=item $success = $client->query ($flags, "text", \&cb)	3105	=item $success = $client->query ($flags, "text", \&cb)
2571		3106
…		…
2632	my ($type, $reply, @payload) =	3167	my ($type, $reply, @payload) =
2633	"ARRAY" eq ref $msg	3168	"ARRAY" eq ref $msg
2634	? @$msg	3169	? @$msg
2635	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	3170	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2636		3171
		3172	my @reply;
		3173
2637	if (my $cb = $EXTICMD{$type}) {	3174	if (my $cb = $EXTICMD{$type}) {
2638	my @reply = $cb->($ns, @payload);	3175	@reply = $cb->($ns, @payload);
2639
2640	$ns->ext_reply ($reply, @reply)
2641	if $reply;
2642	}	3176	}
		3177
		3178	$ns->ext_reply ($reply, @reply)
		3179	if $reply;
		3180
2643	} else {	3181	} else {
2644	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3182	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2645	}	3183	}
2646		3184
2647	cf::override;	3185	cf::override;
2648	},	3186	},
2649	);	3187	);
…		…
2669		3207
2670	$coro	3208	$coro
2671	}	3209	}
2672		3210
2673	cf::client->attach (	3211	cf::client->attach (
2674	on_destroy => sub {	3212	on_client_destroy => sub {
2675	my ($ns) = @_;	3213	my ($ns) = @_;
2676		3214
2677	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3215	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2678	},	3216	},
2679	);	3217	);
…		…
2695	our $safe_hole = new Safe::Hole;	3233	our $safe_hole = new Safe::Hole;
2696		3234
2697	$SIG{FPE} = 'IGNORE';	3235	$SIG{FPE} = 'IGNORE';
2698		3236
2699	$safe->permit_only (Opcode::opset qw(	3237	$safe->permit_only (Opcode::opset qw(
2700	:base_core :base_mem :base_orig :base_math	3238	:base_core :base_mem :base_orig :base_math :base_loop
2701	grepstart grepwhile mapstart mapwhile	3239	grepstart grepwhile mapstart mapwhile
2702	sort time	3240	sort time
2703	));	3241	));
2704		3242
2705	# here we export the classes and methods available to script code	3243	# here we export the classes and methods available to script code
…		…
2707	=pod	3245	=pod
2708		3246
2709	The following functions and methods are available within a safe environment:	3247	The following functions and methods are available within a safe environment:
2710		3248
2711	cf::object	3249	cf::object
2712	contr pay_amount pay_player map x y force_find force_add	3250	contr pay_amount pay_player map x y force_find force_add destroy
2713	insert remove name archname title slaying race	3251	insert remove name archname title slaying race decrease split
		3252	value
2714		3253
2715	cf::object::player	3254	cf::object::player
2716	player	3255	player
2717		3256
2718	cf::player	3257	cf::player
…		…
2723		3262
2724	=cut	3263	=cut
2725		3264
2726	for (	3265	for (
2727	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3266	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2728	insert remove inv name archname title slaying race)],	3267	insert remove inv nrof name archname title slaying race
		3268	decrease split destroy change_exp value msg lore send_msg)],
2729	["cf::object::player" => qw(player)],	3269	["cf::object::player" => qw(player)],
2730	["cf::player" => qw(peaceful)],	3270	["cf::player" => qw(peaceful send_msg)],
2731	["cf::map" => qw(trigger)],	3271	["cf::map" => qw(trigger)],
2732	) {	3272	) {
2733	no strict 'refs';	3273	no strict 'refs';
2734	my ($pkg, @funs) = @$_;	3274	my ($pkg, @funs) = @$_;
2735	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3275	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2753		3293
2754	my $qcode = $code;	3294	my $qcode = $code;
2755	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3295	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2756	$qcode =~ s/\n/\\n/g;	3296	$qcode =~ s/\n/\\n/g;
2757		3297
		3298	%vars = (_dummy => 0) unless %vars;
		3299
		3300	my @res;
2758	local $_;	3301	local $_;
2759	local @safe::cf::_safe_eval_args = values %vars;
2760		3302
2761	my $eval =	3303	my $eval =
2762	"do {\n"	3304	"do {\n"
2763	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3305	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2764	. "#line 0 \"{$qcode}\"\n"	3306	. "#line 0 \"{$qcode}\"\n"
2765	. $code	3307	. $code
2766	. "\n}"	3308	. "\n}"
2767	;	3309	;
2768		3310
		3311	if ($CFG{safe_eval}) {
2769	sub_generation_inc;	3312	sub_generation_inc;
		3313	local @safe::cf::_safe_eval_args = values %vars;
2770	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3314	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2771	sub_generation_inc;	3315	sub_generation_inc;
		3316	} else {
		3317	local @cf::_safe_eval_args = values %vars;
		3318	@res = wantarray ? eval eval : scalar eval $eval;
		3319	}
2772		3320
2773	if ($@) {	3321	if ($@) {
2774	warn "$@";	3322	warn "$@",
2775	warn "while executing safe code '$code'\n";	3323	"while executing safe code '$code'\n",
2776	warn "with arguments " . (join " ", %vars) . "\n";	3324	"with arguments " . (join " ", %vars) . "\n";
2777	}	3325	}
2778		3326
2779	wantarray ? @res : $res[0]	3327	wantarray ? @res : $res[0]
2780	}	3328	}
2781		3329
…		…
2795	=cut	3343	=cut
2796		3344
2797	sub register_script_function {	3345	sub register_script_function {
2798	my ($fun, $cb) = @_;	3346	my ($fun, $cb) = @_;
2799		3347
2800	no strict 'refs';	3348	$fun = "safe::$fun" if $CFG{safe_eval};
2801	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3349	*$fun = $safe_hole->wrap ($cb);
2802	}	3350	}
2803		3351
2804	=back	3352	=back
2805		3353
2806	=cut	3354	=cut
…		…
2809	# the server's init and main functions	3357	# the server's init and main functions
2810		3358
2811	sub load_facedata($) {	3359	sub load_facedata($) {
2812	my ($path) = @_;	3360	my ($path) = @_;
2813		3361
		3362	# HACK to clear player env face cache, we need some signal framework
		3363	# for this (global event?)
		3364	%ext::player_env::MUSIC_FACE_CACHE = ();
		3365
		3366	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3367
2814	warn "loading facedata from $path\n";	3368	trace "loading facedata from $path\n";
2815		3369
2816	my $facedata;	3370	my $facedata;
2817	0 < aio_load $path, $facedata	3371	0 < aio_load $path, $facedata
2818	or die "$path: $!";	3372	or die "$path: $!";
2819		3373
2820	$facedata = Coro::Storable::thaw $facedata;	3374	$facedata = Coro::Storable::thaw $facedata;
2821		3375
2822	$facedata->{version} == 2	3376	$facedata->{version} == 2
2823	or cf::cleanup "$path: version mismatch, cannot proceed.";	3377	or cf::cleanup "$path: version mismatch, cannot proceed.";
2824		3378
		3379	# patch in the exptable
		3380	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3381	$facedata->{resource}{"res/exp_table"} = {
		3382	type => FT_RSRC,
		3383	data => $exp_table,
		3384	hash => (Digest::MD5::md5 $exp_table),
		3385	};
		3386	cf::cede_to_tick;
		3387
2825	{	3388	{
2826	my $faces = $facedata->{faceinfo};	3389	my $faces = $facedata->{faceinfo};
2827		3390
2828	while (my ($face, $info) = each %$faces) {	3391	while (my ($face, $info) = each %$faces) {
2829	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3392	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3393
2830	cf::face::set_visibility $idx, $info->{visibility};	3394	cf::face::set_visibility $idx, $info->{visibility};
2831	cf::face::set_magicmap $idx, $info->{magicmap};	3395	cf::face::set_magicmap $idx, $info->{magicmap};
2832	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3396	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2833	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3397	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2834		3398
2835	cf::cede_to_tick;	3399	cf::cede_to_tick;
2836	}	3400	}
2837		3401
2838	while (my ($face, $info) = each %$faces) {	3402	while (my ($face, $info) = each %$faces) {
2839	next unless $info->{smooth};	3403	next unless $info->{smooth};
		3404
2840	my $idx = cf::face::find $face	3405	my $idx = cf::face::find $face
2841	or next;	3406	or next;
		3407
2842	if (my $smooth = cf::face::find $info->{smooth}) {	3408	if (my $smooth = cf::face::find $info->{smooth}) {
2843	cf::face::set_smooth $idx, $smooth;	3409	cf::face::set_smooth $idx, $smooth;
2844	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3410	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2845	} else {	3411	} else {
2846	warn "smooth face '$info->{smooth}' not found for face '$face'";	3412	error "smooth face '$info->{smooth}' not found for face '$face'";
2847	}	3413	}
2848		3414
2849	cf::cede_to_tick;	3415	cf::cede_to_tick;
2850	}	3416	}
2851	}	3417	}
…		…
2860		3426
2861	cf::anim::invalidate_all; # d'oh	3427	cf::anim::invalidate_all; # d'oh
2862	}	3428	}
2863		3429
2864	{	3430	{
2865	# TODO: for gcfclient pleasure, we should give resources
2866	# that gcfclient doesn't grok a >10000 face index.
2867	my $res = $facedata->{resource};	3431	my $res = $facedata->{resource};
2868	my $enc = JSON::XS->new->utf8->canonical;
2869
2870	my $soundconf = delete $res->{"res/sound.conf"};
2871		3432
2872	while (my ($name, $info) = each %$res) {	3433	while (my ($name, $info) = each %$res) {
2873	my $meta = $enc->encode ({	3434	if (defined $info->{type}) {
2874	name => $name,
2875	%{ $info->{meta} || {} },
2876	});
2877
2878	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3435	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2879		3436
2880	if ($info->{type} & 1) {
2881	# prepend meta info
2882
2883	my $data = pack "(w/a*)*", $meta, $info->{data};
2884	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2885
2886	cf::face::set_data $idx, 0, $data, $chk;	3437	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3438	cf::face::set_type $idx, $info->{type};
2887	} else {	3439	} else {
2888	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};	3440	$RESOURCE{$name} = $info; # unused
2889	}	3441	}
2890		3442
2891	cf::face::set_type $idx, $info->{type};
2892
2893	cf::cede_to_tick;	3443	cf::cede_to_tick;
2894	}	3444	}
2895
2896	if ($soundconf) {
2897	$soundconf = $enc->decode (delete $soundconf->{data});
2898
2899	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2900	my $sound = $soundconf->{compat}[$_]
2901	or next;
2902
2903	my $face = cf::face::find "sound/$sound->[1]";
2904	cf::sound::set $sound->[0] => $face;
2905	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2906	}
2907
2908	while (my ($k, $v) = each %{$soundconf->{event}}) {
2909	my $face = cf::face::find "sound/$v";
2910	cf::sound::set $k => $face;
2911	}
2912	}
2913	}	3445	}
		3446
		3447	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2914		3448
2915	1	3449	1
2916	}	3450	}
2917		3451
2918	register_exticmd fx_want => sub {	3452	register_exticmd fx_want => sub {
…		…
2921	while (my ($k, $v) = each %$want) {	3455	while (my ($k, $v) = each %$want) {
2922	$ns->fx_want ($k, $v);	3456	$ns->fx_want ($k, $v);
2923	}	3457	}
2924	};	3458	};
2925		3459
		3460	sub load_resource_file($) {
		3461	my $guard = lock_acquire "load_resource_file";
		3462
		3463	my $status = load_resource_file_ $_[0];
		3464	get_slot 0.1, 100;
		3465	cf::arch::commit_load;
		3466
		3467	$status
		3468	}
		3469
2926	sub reload_regions {	3470	sub reload_regions {
		3471	# HACK to clear player env face cache, we need some signal framework
		3472	# for this (global event?)
		3473	%ext::player_env::MUSIC_FACE_CACHE = ();
		3474
2927	load_resource_file "$MAPDIR/regions"	3475	load_resource_file "$MAPDIR/regions"
2928	or die "unable to load regions file\n";	3476	or die "unable to load regions file\n";
2929		3477
2930	for (cf::region::list) {	3478	for (cf::region::list) {
2931	$_->{match} = qr/$_->{match}/	3479	$_->{match} = qr/$_->{match}/
…		…
2939	}	3487	}
2940		3488
2941	sub reload_archetypes {	3489	sub reload_archetypes {
2942	load_resource_file "$DATADIR/archetypes"	3490	load_resource_file "$DATADIR/archetypes"
2943	or die "unable to load archetypes\n";	3491	or die "unable to load archetypes\n";
2944	#d# NEED to laod twice to resolve forward references
2945	# this really needs to be done in an extra post-pass
2946	# (which needs to be synchronous, so solve it differently)
2947	load_resource_file "$DATADIR/archetypes"
2948	or die "unable to load archetypes\n";
2949	}	3492	}
2950		3493
2951	sub reload_treasures {	3494	sub reload_treasures {
2952	load_resource_file "$DATADIR/treasures"	3495	load_resource_file "$DATADIR/treasures"
2953	or die "unable to load treasurelists\n";	3496	or die "unable to load treasurelists\n";
2954	}	3497	}
2955		3498
		3499	sub reload_sound {
		3500	trace "loading sound config from $DATADIR/sound\n";
		3501
		3502	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3503	or die "$DATADIR/sound $!";
		3504
		3505	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3506
		3507	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3508	my $sound = $soundconf->{compat}[$_]
		3509	or next;
		3510
		3511	my $face = cf::face::find "sound/$sound->[1]";
		3512	cf::sound::set $sound->[0] => $face;
		3513	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3514	}
		3515
		3516	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3517	my $face = cf::face::find "sound/$v";
		3518	cf::sound::set $k => $face;
		3519	}
		3520	}
		3521
2956	sub reload_resources {	3522	sub reload_resources {
2957	warn "reloading resource files...\n";	3523	trace "reloading resource files...\n";
2958		3524
		3525	reload_facedata;
		3526	reload_sound;
		3527	reload_archetypes;
2959	reload_regions;	3528	reload_regions;
2960	reload_facedata;
2961	#reload_archetypes;#d#
2962	reload_archetypes;
2963	reload_treasures;	3529	reload_treasures;
2964		3530
2965	warn "finished reloading resource files\n";	3531	trace "finished reloading resource files\n";
2966	}	3532	}
2967		3533
2968	sub init {	3534	sub reload_config {
2969	reload_resources;	3535	trace "reloading config file...\n";
2970	}
2971		3536
2972	sub cfg_load {
2973	open my $fh, "<:utf8", "$CONFDIR/config"	3537	open my $fh, "<:utf8", "$CONFDIR/config"
2974	or return;	3538	or return;
2975		3539
2976	local $/;	3540	local $/;
2977	*CFG = YAML::Syck::Load <$fh>;	3541	*CFG = YAML::XS::Load scalar <$fh>;
2978		3542
2979	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3543	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2980		3544
2981	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3545	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2982	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3546	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2983		3547
2984	if (exists $CFG{mlockall}) {	3548	if (exists $CFG{mlockall}) {
…		…
2986	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3550	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2987	and die "WARNING: m(un)lockall failed: $!\n";	3551	and die "WARNING: m(un)lockall failed: $!\n";
2988	};	3552	};
2989	warn $@ if $@;	3553	warn $@ if $@;
2990	}	3554	}
		3555
		3556	trace "finished reloading resource files\n";
		3557	}
		3558
		3559	sub pidfile() {
		3560	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3561	or die "$PIDFILE: $!";
		3562	flock $fh, &Fcntl::LOCK_EX
		3563	or die "$PIDFILE: flock: $!";
		3564	$fh
		3565	}
		3566
		3567	# make sure only one server instance is running at any one time
		3568	sub atomic {
		3569	my $fh = pidfile;
		3570
		3571	my $pid = <$fh>;
		3572	kill 9, $pid if $pid > 0;
		3573
		3574	seek $fh, 0, 0;
		3575	print $fh $$;
		3576	}
		3577
		3578	sub main_loop {
		3579	trace "EV::loop starting\n";
		3580	if (1) {
		3581	EV::loop;
		3582	}
		3583	trace "EV::loop returned\n";
		3584	goto &main_loop unless $REALLY_UNLOOP;
2991	}	3585	}
2992		3586
2993	sub main {	3587	sub main {
		3588	cf::init_globals; # initialise logging
		3589
		3590	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3591	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3592	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3593	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3594
		3595	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3596
2994	# we must not ever block the main coroutine	3597	# we must not ever block the main coroutine
2995	local $Coro::idle = sub {	3598	local $Coro::idle = sub {
2996	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3599	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2997	(async {	3600	(async {
2998	Event::one_event;	3601	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3602	EV::loop EV::LOOP_ONESHOT;
2999	})->prio (Coro::PRIO_MAX);	3603	})->prio (Coro::PRIO_MAX);
3000	};	3604	};
3001		3605
3002	cfg_load;	3606	evthread_start IO::AIO::poll_fileno;
		3607
		3608	cf::sync_job {
		3609	cf::init_experience;
		3610	cf::init_anim;
		3611	cf::init_attackmess;
		3612	cf::init_dynamic;
		3613
		3614	cf::load_settings;
		3615	cf::load_materials;
		3616
		3617	reload_resources;
		3618	reload_config;
3003	db_init;	3619	db_init;
		3620
		3621	cf::init_uuid;
		3622	cf::init_signals;
		3623	cf::init_skills;
		3624
		3625	cf::init_beforeplay;
		3626
		3627	atomic;
		3628
3004	load_extensions;	3629	load_extensions;
3005		3630
3006	$TICK_WATCHER->start;	3631	utime time, time, $RUNTIMEFILE;
3007	Event::loop;	3632
		3633	# no (long-running) fork's whatsoever before this point(!)
		3634	use POSIX ();
		3635	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3636
		3637	(pop @POST_INIT)->(0) while @POST_INIT;
		3638	};
		3639
		3640	cf::object::thawer::errors_are_fatal 0;
		3641	info "parse errors in files are no longer fatal from this point on.\n";
		3642
		3643	main_loop;
3008	}	3644	}
3009		3645
3010	#############################################################################	3646	#############################################################################
3011	# initialisation and cleanup	3647	# initialisation and cleanup
3012		3648
3013	# install some emergency cleanup handlers	3649	# install some emergency cleanup handlers
3014	BEGIN {	3650	BEGIN {
		3651	our %SIGWATCHER = ();
3015	for my $signal (qw(INT HUP TERM)) {	3652	for my $signal (qw(INT HUP TERM)) {
3016	Event->signal (	3653	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3017	reentrant => 0,
3018	data => WF_AUTOCANCEL,
3019	signal => $signal,
3020	prio => 0,
3021	cb => sub {
3022	cf::cleanup "SIG$signal";	3654	cf::cleanup "SIG$signal";
3023	},
3024	);	3655	};
3025	}	3656	}
3026	}	3657	}
3027		3658
3028	sub write_runtime {	3659	sub write_runtime_sync {
3029	my $runtime = "$LOCALDIR/runtime";	3660	my $t0 = AE::time;
3030		3661
3031	# first touch the runtime file to show we are still running:	3662	# first touch the runtime file to show we are still running:
3032	# the fsync below can take a very very long time.	3663	# the fsync below can take a very very long time.
3033		3664
3034	IO::AIO::aio_utime $runtime, undef, undef;	3665	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3035		3666
3036	my $guard = cf::lock_acquire "write_runtime";	3667	my $guard = cf::lock_acquire "write_runtime";
3037		3668
3038	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3669	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3039	or return;	3670	or return;
3040		3671
3041	my $value = $cf::RUNTIME + 90 + 10;	3672	my $value = $cf::RUNTIME + 90 + 10;
3042	# 10 is the runtime save interval, for a monotonic clock	3673	# 10 is the runtime save interval, for a monotonic clock
3043	# 60 allows for the watchdog to kill the server.	3674	# 60 allows for the watchdog to kill the server.
…		…
3053	aio_utime $fh, undef, undef;	3684	aio_utime $fh, undef, undef;
3054		3685
3055	close $fh	3686	close $fh
3056	or return;	3687	or return;
3057		3688
3058	aio_rename "$runtime~", $runtime	3689	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3059	and return;	3690	and return;
3060		3691
3061	warn "runtime file written.\n";	3692	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3062		3693
3063	1	3694	1
		3695	}
		3696
		3697	our $uuid_lock;
		3698	our $uuid_skip;
		3699
		3700	sub write_uuid_sync($) {
		3701	$uuid_skip ||= $_[0];
		3702
		3703	return if $uuid_lock;
		3704	local $uuid_lock = 1;
		3705
		3706	my $uuid = "$LOCALDIR/uuid";
		3707
		3708	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3709	or return;
		3710
		3711	my $value = uuid_seq uuid_cur;
		3712
		3713	unless ($value) {
		3714	info "cowardly refusing to write zero uuid value!\n";
		3715	return;
		3716	}
		3717
		3718	my $value = uuid_str $value + $uuid_skip;
		3719	$uuid_skip = 0;
		3720
		3721	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3722	and return;
		3723
		3724	# always fsync - this file is important
		3725	aio_fsync $fh
		3726	and return;
		3727
		3728	close $fh
		3729	or return;
		3730
		3731	aio_rename "$uuid~", $uuid
		3732	and return;
		3733
		3734	trace "uuid file written ($value).\n";
		3735
		3736	1
		3737
		3738	}
		3739
		3740	sub write_uuid($$) {
		3741	my ($skip, $sync) = @_;
		3742
		3743	$sync ? write_uuid_sync $skip
		3744	: async { write_uuid_sync $skip };
3064	}	3745	}
3065		3746
3066	sub emergency_save() {	3747	sub emergency_save() {
3067	my $freeze_guard = cf::freeze_mainloop;	3748	my $freeze_guard = cf::freeze_mainloop;
3068		3749
3069	warn "enter emergency perl save\n";	3750	info "emergency_perl_save: enter\n";
3070		3751
3071	cf::sync_job {	3752	cf::sync_job {
		3753	# this is a trade-off: we want to be very quick here, so
		3754	# save all maps without fsync, and later call a global sync
		3755	# (which in turn might be very very slow)
		3756	local $USE_FSYNC = 0;
		3757
3072	# use a peculiar iteration method to avoid tripping on perl	3758	# use a peculiar iteration method to avoid tripping on perl
3073	# refcount bugs in for. also avoids problems with players	3759	# refcount bugs in for. also avoids problems with players
3074	# and maps saved/destroyed asynchronously.	3760	# and maps saved/destroyed asynchronously.
3075	warn "begin emergency player save\n";	3761	info "emergency_perl_save: begin player save\n";
3076	for my $login (keys %cf::PLAYER) {	3762	for my $login (keys %cf::PLAYER) {
3077	my $pl = $cf::PLAYER{$login} or next;	3763	my $pl = $cf::PLAYER{$login} or next;
3078	$pl->valid or next;	3764	$pl->valid or next;
		3765	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3079	$pl->save;	3766	$pl->save;
3080	}	3767	}
3081	warn "end emergency player save\n";	3768	info "emergency_perl_save: end player save\n";
3082		3769
3083	warn "begin emergency map save\n";	3770	info "emergency_perl_save: begin map save\n";
3084	for my $path (keys %cf::MAP) {	3771	for my $path (keys %cf::MAP) {
3085	my $map = $cf::MAP{$path} or next;	3772	my $map = $cf::MAP{$path} or next;
3086	$map->valid or next;	3773	$map->valid or next;
3087	$map->save;	3774	$map->save;
3088	}	3775	}
3089	warn "end emergency map save\n";	3776	info "emergency_perl_save: end map save\n";
3090		3777
3091	warn "begin emergency database checkpoint\n";	3778	info "emergency_perl_save: begin database checkpoint\n";
3092	BDB::db_env_txn_checkpoint $DB_ENV;	3779	BDB::db_env_txn_checkpoint $DB_ENV;
3093	warn "end emergency database checkpoint\n";	3780	info "emergency_perl_save: end database checkpoint\n";
		3781
		3782	info "emergency_perl_save: begin write uuid\n";
		3783	write_uuid_sync 1;
		3784	info "emergency_perl_save: end write uuid\n";
3094	};	3785	};
3095		3786
3096	warn "leave emergency perl save\n";	3787	info "emergency_perl_save: starting sync()\n";
		3788	IO::AIO::aio_sync sub {
		3789	info "emergency_perl_save: finished sync()\n";
		3790	};
		3791
		3792	info "emergency_perl_save: leave\n";
3097	}	3793	}
3098		3794
3099	sub post_cleanup {	3795	sub post_cleanup {
3100	my ($make_core) = @_;	3796	my ($make_core) = @_;
3101		3797
3102	warn Carp::longmess "post_cleanup backtrace"	3798	error Carp::longmess "post_cleanup backtrace"
3103	if $make_core;	3799	if $make_core;
		3800
		3801	my $fh = pidfile;
		3802	unlink $PIDFILE if <$fh> == $$;
		3803	}
		3804
		3805	# a safer delete_package, copied from Symbol
		3806	sub clear_package($) {
		3807	my $pkg = shift;
		3808
		3809	# expand to full symbol table name if needed
		3810	unless ($pkg =~ /^main::.*::$/) {
		3811	$pkg = "main$pkg" if $pkg =~ /^::/;
		3812	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3813	$pkg .= '::' unless $pkg =~ /::$/;
		3814	}
		3815
		3816	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3817	my $stem_symtab = *{$stem}{HASH};
		3818
		3819	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3820	or return;
		3821
		3822	# clear all symbols
		3823	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3824	for my $name (keys %$leaf_symtab) {
		3825	_gv_clear *{"$pkg$name"};
		3826	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3827	}
3104	}	3828	}
3105		3829
3106	sub do_reload_perl() {	3830	sub do_reload_perl() {
3107	# can/must only be called in main	3831	# can/must only be called in main
3108	if ($Coro::current != $Coro::main) {	3832	if (in_main) {
3109	warn "can only reload from main coroutine";	3833	error "can only reload from main coroutine";
3110	return;	3834	return;
3111	}	3835	}
3112		3836
		3837	return if $RELOAD++;
		3838
		3839	my $t1 = AE::time;
		3840
		3841	while ($RELOAD) {
3113	warn "reloading...";	3842	info "reloading...";
3114		3843
3115	warn "entering sync_job";	3844	trace "entering sync_job";
3116		3845
3117	cf::sync_job {	3846	cf::sync_job {
3118	cf::write_runtime; # external watchdog should not bark	3847	cf::write_runtime_sync; # external watchdog should not bark
3119	cf::emergency_save;	3848	cf::emergency_save;
3120	cf::write_runtime; # external watchdog should not bark	3849	cf::write_runtime_sync; # external watchdog should not bark
3121		3850
3122	warn "syncing database to disk";	3851	trace "syncing database to disk";
3123	BDB::db_env_txn_checkpoint $DB_ENV;	3852	BDB::db_env_txn_checkpoint $DB_ENV;
3124		3853
3125	# if anything goes wrong in here, we should simply crash as we already saved	3854	# if anything goes wrong in here, we should simply crash as we already saved
3126		3855
3127	warn "cancelling all WF_AUTOCANCEL watchers";
3128	for (Event::all_watchers) {
3129	$_->cancel if $_->data & WF_AUTOCANCEL;
3130	}
3131
3132	warn "flushing outstanding aio requests";	3856	trace "flushing outstanding aio requests";
3133	for (;;) {
3134	BDB::flush;
3135	IO::AIO::flush;
3136	Coro::cede;
3137	last unless IO::AIO::nreqs || BDB::nreqs;	3857	while (IO::AIO::nreqs || BDB::nreqs) {
3138	warn "iterate...";	3858	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3139	}
3140
3141	++$RELOAD;
3142
3143	warn "cancelling all extension coros";
3144	$_->cancel for values %EXT_CORO;
3145	%EXT_CORO = ();
3146
3147	warn "removing commands";
3148	%COMMAND = ();
3149
3150	warn "removing ext/exti commands";
3151	%EXTCMD = ();
3152	%EXTICMD = ();
3153
3154	warn "unloading/nuking all extensions";
3155	for my $pkg (@EXTS) {
3156	warn "... unloading $pkg";
3157
3158	if (my $cb = $pkg->can ("unload")) {
3159	eval {
3160	$cb->($pkg);
3161	1
3162	} or warn "$pkg unloaded, but with errors: $@";
3163	}	3859	}
3164		3860
3165	warn "... nuking $pkg";	3861	trace "cancelling all extension coros";
3166	Symbol::delete_package $pkg;	3862	$_->cancel for values %EXT_CORO;
3167	}	3863	%EXT_CORO = ();
3168		3864
3169	warn "unloading all perl modules loaded from $LIBDIR";	3865	trace "removing commands";
3170	while (my ($k, $v) = each %INC) {	3866	%COMMAND = ();
3171	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3172		3867
		3868	trace "removing ext/exti commands";
		3869	%EXTCMD = ();
		3870	%EXTICMD = ();
		3871
		3872	trace "unloading/nuking all extensions";
		3873	for my $pkg (@EXTS) {
3173	warn "... unloading $k";	3874	trace "... unloading $pkg";
3174	delete $INC{$k};
3175		3875
3176	$k =~ s/\.pm$//;
3177	$k =~ s/\//::/g;
3178
3179	if (my $cb = $k->can ("unload_module")) {	3876	if (my $cb = $pkg->can ("unload")) {
		3877	eval {
3180	$cb->();	3878	$cb->($pkg);
		3879	1
		3880	} or error "$pkg unloaded, but with errors: $@";
		3881	}
		3882
		3883	trace "... clearing $pkg";
		3884	clear_package $pkg;
3181	}	3885	}
3182		3886
3183	Symbol::delete_package $k;	3887	trace "unloading all perl modules loaded from $LIBDIR";
		3888	while (my ($k, $v) = each %INC) {
		3889	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3890
		3891	trace "... unloading $k";
		3892	delete $INC{$k};
		3893
		3894	$k =~ s/\.pm$//;
		3895	$k =~ s/\//::/g;
		3896
		3897	if (my $cb = $k->can ("unload_module")) {
		3898	$cb->();
		3899	}
		3900
		3901	clear_package $k;
3184	}	3902	}
3185		3903
3186	warn "getting rid of safe::, as good as possible";	3904	trace "getting rid of safe::, as good as possible";
3187	Symbol::delete_package "safe::$_"	3905	clear_package "safe::$_"
3188	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3906	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3189		3907
3190	warn "unloading cf.pm \"a bit\"";	3908	trace "unloading cf.pm \"a bit\"";
3191	delete $INC{"cf.pm"};	3909	delete $INC{"cf.pm"};
3192	delete $INC{"cf/pod.pm"};	3910	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3193		3911
3194	# don't, removes xs symbols, too,	3912	# don't, removes xs symbols, too,
3195	# and global variables created in xs	3913	# and global variables created in xs
3196	#Symbol::delete_package __PACKAGE__;	3914	#clear_package __PACKAGE__;
3197		3915
3198	warn "unload completed, starting to reload now";	3916	info "unload completed, starting to reload now";
3199		3917
3200	warn "reloading cf.pm";	3918	trace "reloading cf.pm";
3201	require cf;	3919	require cf;
3202	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3920	cf::_connect_to_perl_1;
3203		3921
3204	warn "loading config and database again";	3922	trace "loading config and database again";
3205	cf::cfg_load;	3923	cf::reload_config;
3206		3924
3207	warn "loading extensions";	3925	trace "loading extensions";
3208	cf::load_extensions;	3926	cf::load_extensions;
3209		3927
		3928	if ($REATTACH_ON_RELOAD) {
3210	warn "reattaching attachments to objects/players";	3929	trace "reattaching attachments to objects/players";
3211	_global_reattach; # objects, sockets	3930	_global_reattach; # objects, sockets
3212	warn "reattaching attachments to maps";	3931	trace "reattaching attachments to maps";
3213	reattach $_ for values %MAP;	3932	reattach $_ for values %MAP;
3214	warn "reattaching attachments to players";	3933	trace "reattaching attachments to players";
3215	reattach $_ for values %PLAYER;	3934	reattach $_ for values %PLAYER;
		3935	}
3216		3936
		3937	trace "running post_init jobs";
		3938	(pop @POST_INIT)->(1) while @POST_INIT;
		3939
3217	warn "leaving sync_job";	3940	trace "leaving sync_job";
3218		3941
3219	1	3942	1
3220	} or do {	3943	} or do {
3221	warn $@;	3944	error $@;
3222	warn "error while reloading, exiting.";	3945	cf::cleanup "error while reloading, exiting.";
3223	exit 1;	3946	};
		3947
		3948	info "reloaded";
		3949	--$RELOAD;
3224	};	3950	}
3225		3951
3226	warn "reloaded";	3952	$t1 = AE::time - $t1;
		3953	info "reload completed in ${t1}s\n";
3227	};	3954	};
3228		3955
3229	our $RELOAD_WATCHER; # used only during reload	3956	our $RELOAD_WATCHER; # used only during reload
3230		3957
3231	sub reload_perl() {	3958	sub reload_perl() {
3232	# doing reload synchronously and two reloads happen back-to-back,	3959	# doing reload synchronously and two reloads happen back-to-back,
3233	# coro crashes during coro_state_free->destroy here.	3960	# coro crashes during coro_state_free->destroy here.
3234		3961
3235	$RELOAD_WATCHER ||= Event->timer (	3962	$RELOAD_WATCHER ||= cf::async {
3236	reentrant => 0,	3963	Coro::AIO::aio_wait cache_extensions;
3237	after => 0,	3964
3238	data => WF_AUTOCANCEL,	3965	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3239	cb => sub {
3240	do_reload_perl;	3966	do_reload_perl;
3241	undef $RELOAD_WATCHER;	3967	undef $RELOAD_WATCHER;
3242	},	3968	};
3243	);	3969	};
3244	}	3970	}
3245		3971
3246	register_command "reload" => sub {	3972	register_command "reload" => sub {
3247	my ($who, $arg) = @_;	3973	my ($who, $arg) = @_;
3248		3974
3249	if ($who->flag (FLAG_WIZ)) {	3975	if ($who->flag (FLAG_WIZ)) {
3250	$who->message ("reloading server.");	3976	$who->message ("reloading server.");
		3977	async {
		3978	$Coro::current->{desc} = "perl_reload";
3251	async { reload_perl };	3979	reload_perl;
		3980	};
3252	}	3981	}
3253	};	3982	};
3254		3983
3255	unshift @INC, $LIBDIR;	3984	unshift @INC, $LIBDIR;
3256		3985
…		…
3258		3987
3259	our @WAIT_FOR_TICK;	3988	our @WAIT_FOR_TICK;
3260	our @WAIT_FOR_TICK_BEGIN;	3989	our @WAIT_FOR_TICK_BEGIN;
3261		3990
3262	sub wait_for_tick {	3991	sub wait_for_tick {
3263	return unless $TICK_WATCHER->is_active;
3264	return if $Coro::current == $Coro::main;	3992	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3265		3993
3266	my $signal = new Coro::Signal;	3994	my $signal = new Coro::Signal;
3267	push @WAIT_FOR_TICK, $signal;	3995	push @WAIT_FOR_TICK, $signal;
3268	$signal->wait;	3996	$signal->wait;
3269	}	3997	}
3270		3998
3271	sub wait_for_tick_begin {	3999	sub wait_for_tick_begin {
3272	return unless $TICK_WATCHER->is_active;
3273	return if $Coro::current == $Coro::main;	4000	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3274		4001
3275	my $signal = new Coro::Signal;	4002	my $signal = new Coro::Signal;
3276	push @WAIT_FOR_TICK_BEGIN, $signal;	4003	push @WAIT_FOR_TICK_BEGIN, $signal;
3277	$signal->wait;	4004	$signal->wait;
3278	}	4005	}
3279		4006
3280	my $min = 1e6;#d#	4007	sub tick {
3281	my $avg = 10;
3282	$TICK_WATCHER = Event->timer (
3283	reentrant => 0,
3284	parked => 1,
3285	prio => 0,
3286	at => $NEXT_TICK || $TICK,
3287	data => WF_AUTOCANCEL,
3288	cb => sub {
3289	if ($Coro::current != $Coro::main) {	4008	if ($Coro::current != $Coro::main) {
3290	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4009	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3291	unless ++$bug_warning > 10;	4010	unless ++$bug_warning > 10;
3292	return;	4011	return;
3293	}	4012	}
3294		4013
3295	$NOW = $tick_start = Event::time;
3296
3297	cf::server_tick; # one server iteration	4014	cf::server_tick; # one server iteration
3298		4015
3299	0 && sync_job {#d#	4016	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3300	for(1..10) {
3301	my $t = Event::time;
3302	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3303	or die;
3304		4017
3305	$map->width (50);	4018	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3306	$map->height (50);	4019	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3307	$map->alloc;	4020	Coro::async_pool {
3308	$map->_load_objects ("/tmp/x.map", 1);	4021	$Coro::current->{desc} = "runtime saver";
3309	my $t = Event::time - $t;	4022	write_runtime_sync
3310		4023	or error "ERROR: unable to write runtime file: $!";
3311	#next unless $t < 0.0013;#d#
3312	if ($t < $min) {
3313	$min = $t;
3314	}
3315	$avg = $avg * 0.99 + $t * 0.01;
3316	}
3317	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3318	exit 0;
3319	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3320	};	4024	};
		4025	}
3321		4026
3322	$RUNTIME += $TICK;
3323	$NEXT_TICK += $TICK;
3324
3325	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3326	$NEXT_RUNTIME_WRITE = $NOW + 10;
3327	Coro::async_pool {
3328	write_runtime
3329	or warn "ERROR: unable to write runtime file: $!";
3330	};
3331	}
3332
3333	# my $AFTER = Event::time;
3334	# warn $AFTER - $NOW;#d#
3335
3336	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4027	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3337	$sig->send;	4028	$sig->send;
3338	}	4029	}
3339	while (my $sig = shift @WAIT_FOR_TICK) {	4030	while (my $sig = shift @WAIT_FOR_TICK) {
3340	$sig->send;	4031	$sig->send;
3341	}	4032	}
3342		4033
3343	$NOW = Event::time;	4034	$LOAD = ($NOW - $TICK_START) / $TICK;
3344
3345	# if we are delayed by four ticks or more, skip them all
3346	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3347
3348	$TICK_WATCHER->at ($NEXT_TICK);
3349	$TICK_WATCHER->start;
3350
3351	$LOAD = ($NOW - $tick_start) / $TICK;
3352	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4035	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3353		4036
3354	_post_tick;	4037	if (0) {
3355		4038	if ($NEXT_TICK) {
3356		4039	my $jitter = $TICK_START - $NEXT_TICK;
		4040	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4041	debug "jitter $JITTER\n";#d#
		4042	}
3357	},	4043	}
3358	);	4044	}
3359		4045
3360	{	4046	{
3361	BDB::max_poll_time $TICK * 0.1;	4047	# configure BDB
3362	$BDB_POLL_WATCHER = Event->io (	4048
3363	reentrant => 0,
3364	fd => BDB::poll_fileno,
3365	poll => 'r',
3366	prio => 0,
3367	data => WF_AUTOCANCEL,
3368	cb => \&BDB::poll_cb,
3369	);
3370	BDB::min_parallel 8;	4049	BDB::min_parallel 16;
3371		4050	BDB::max_poll_reqs $TICK * 0.1;
3372	BDB::set_sync_prepare {	4051	$AnyEvent::BDB::WATCHER->priority (1);
3373	my $status;
3374	my $current = $Coro::current;
3375	(
3376	sub {
3377	$status = $!;
3378	$current->ready; undef $current;
3379	},
3380	sub {
3381	Coro::schedule while defined $current;
3382	$! = $status;
3383	},
3384	)
3385	};
3386		4052
3387	unless ($DB_ENV) {	4053	unless ($DB_ENV) {
3388	$DB_ENV = BDB::db_env_create;	4054	$DB_ENV = BDB::db_env_create;
		4055	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4056	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4057	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4058	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4059	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3389		4060
3390	cf::sync_job {	4061	cf::sync_job {
3391	eval {	4062	eval {
3392	BDB::db_env_open	4063	BDB::db_env_open
3393	$DB_ENV,	4064	$DB_ENV,
…		…
3395	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4066	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3396	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4067	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3397	0666;	4068	0666;
3398		4069
3399	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4070	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3400
3401	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3402	$DB_ENV->set_lk_detect;
3403	};	4071	};
3404		4072
3405	cf::cleanup "db_env_open(db): $@" if $@;	4073	cf::cleanup "db_env_open(db): $@" if $@;
3406	};	4074	};
3407	}	4075	}
		4076
		4077	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4078	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4079	};
		4080	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4081	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4082	};
		4083	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4084	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4085	};
3408	}	4086	}
3409		4087
3410	{	4088	{
		4089	# configure IO::AIO
		4090
3411	IO::AIO::min_parallel 8;	4091	IO::AIO::min_parallel 8;
3412
3413	undef $Coro::AIO::WATCHER;
3414	IO::AIO::max_poll_time $TICK * 0.1;	4092	IO::AIO::max_poll_time $TICK * 0.1;
3415	$AIO_POLL_WATCHER = Event->io (	4093	undef $AnyEvent::AIO::WATCHER;
3416	reentrant => 0,
3417	data => WF_AUTOCANCEL,
3418	fd => IO::AIO::poll_fileno,
3419	poll => 'r',
3420	prio => 6,
3421	cb => \&IO::AIO::poll_cb,
3422	);
3423	}	4094	}
3424		4095
3425	my $_log_backtrace;	4096	my $_log_backtrace;
3426		4097
3427	sub _log_backtrace {	4098	sub _log_backtrace {
…		…
3430	$msg =~ s/\n//;	4101	$msg =~ s/\n//;
3431		4102
3432	# limit the # of concurrent backtraces	4103	# limit the # of concurrent backtraces
3433	if ($_log_backtrace < 2) {	4104	if ($_log_backtrace < 2) {
3434	++$_log_backtrace;	4105	++$_log_backtrace;
		4106	my $perl_bt = Carp::longmess $msg;
3435	async {	4107	async {
		4108	$Coro::current->{desc} = "abt $msg";
		4109
3436	my @bt = fork_call {	4110	my @bt = fork_call {
3437	@addr = map { sprintf "%x", $_ } @addr;	4111	@addr = map { sprintf "%x", $_ } @addr;
3438	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4112	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3439	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4113	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3440	or die "addr2line: $!";	4114	or die "addr2line: $!";
…		…
3448	}	4122	}
3449		4123
3450	@funcs	4124	@funcs
3451	};	4125	};
3452		4126
3453	LOG llevInfo, "[ABT] $msg\n";	4127	LOG llevInfo, "[ABT] $perl_bt\n";
		4128	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3454	LOG llevInfo, "[ABT] $_\n" for @bt;	4129	LOG llevInfo, "[ABT] $_\n" for @bt;
3455	--$_log_backtrace;	4130	--$_log_backtrace;
3456	};	4131	};
3457	} else {	4132	} else {
3458	LOG llevInfo, "[ABT] $msg\n";	4133	LOG llevInfo, "[ABT] $msg\n";
3459	LOG llevInfo, "[ABT] [suppressed]\n";	4134	LOG llevInfo, "[ABT] [suppressed]\n";
3460	}	4135	}
3461	}	4136	}
3462		4137
3463	# load additional modules	4138	# load additional modules
3464	use cf::pod;	4139	require "cf/$_.pm" for @EXTRA_MODULES;
		4140	cf::_connect_to_perl_2;
3465		4141
3466	END { cf::emergency_save }	4142	END { cf::emergency_save }
3467		4143
3468	1	4144	1
3469		4145

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