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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 1.537 by root, Sun May 2 19:16:16 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
…		…
406	=cut	518	=cut
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 (in_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	cf::error "db_get called from main context"
		663	if $Coro::current == $Coro::main;
		664
		665	my ($name) = @_;
		666	my $db = BDB::db_create $DB_ENV;
		667
		668	eval {
		669	$db->set_flags (BDB::CHKSUM);
		670
		671	utf8::encode $name;
		672	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		673	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		674	cf::cleanup "db_open(db): $!" if $!;
		675	};
		676	cf::cleanup "db_open(db): $@" if $@;
		677
		678	$db
		679	}
503		680
504	our $DB;	681	our $DB;
505		682
506	sub db_init {	683	sub db_init {
507	unless ($DB) {	684	$DB ||= db_table "db";
508	$DB = BDB::db_create $DB_ENV;
509
510	cf::sync_job {
511	eval {
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	}
521	}	685	}
522		686
523	sub db_get($$) {	687	sub db_get($$) {
524	my $key = "$_[0]/$_[1]";	688	my $key = "$_[0]/$_[1]";
525		689
526	cf::sync_job {	690	cf::error "db_get called from main context"
		691	if $Coro::current == $Coro::main;
		692
527	BDB::db_get $DB, undef, $key, my $data;	693	BDB::db_get $DB, undef, $key, my $data;
528		694
529	$! ? ()	695	$! ? ()
530	: $data	696	: $data
531	}
532	}	697	}
533		698
534	sub db_put($$$) {	699	sub db_put($$$) {
535	BDB::dbreq_pri 4;	700	BDB::dbreq_pri 4;
536	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	701	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
575	if (1) {	740	if (1) {
576	$md5 =	741	$md5 =
577	join "\x00",	742	join "\x00",
578	$processversion,	743	$processversion,
579	map {	744	map {
580	Coro::cede;	745	cf::cede_to_tick;
581	($src->[$_], Digest::MD5::md5_hex $data[$_])	746	($src->[$_], Digest::MD5::md5_hex $data[$_])
582	} 0.. $#$src;	747	} 0.. $#$src;
583		748
584		749
585	my $dbmd5 = db_get cache => "$id/md5";	750	my $dbmd5 = db_get cache => "$id/md5";
…		…
592		757
593	my $t1 = Time::HiRes::time;	758	my $t1 = Time::HiRes::time;
594	my $data = $process->(\@data);	759	my $data = $process->(\@data);
595	my $t2 = Time::HiRes::time;	760	my $t2 = Time::HiRes::time;
596		761
597	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	762	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
598		763
599	db_put cache => "$id/data", $data;	764	db_put cache => "$id/data", $data;
600	db_put cache => "$id/md5" , $md5;	765	db_put cache => "$id/md5" , $md5;
601	db_put cache => "$id/meta", $meta;	766	db_put cache => "$id/meta", $meta;
602		767
…		…
612		777
613	=cut	778	=cut
614		779
615	sub datalog($@) {	780	sub datalog($@) {
616	my ($type, %kv) = @_;	781	my ($type, %kv) = @_;
617	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	782	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
618	}	783	}
619		784
620	=back	785	=back
621		786
622	=cut	787	=cut
623		788
624	#############################################################################	789	#############################################################################
625		790
626	=head2 ATTACHABLE OBJECTS	791	=head2 ATTACHABLE OBJECTS
627		792
628	Many objects in crossfire are so-called attachable objects. That means you can	793	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")	794	attach callbacks/event handlers (a collection of which is called an "attachment")
630	to it. All such attachable objects support the following methods.	795	to it. All such attachable objects support the following methods.
631		796
632	In the following description, CLASS can be any of C<global>, C<object>	797	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	798	C<player>, C<client> or C<map> (i.e. the attachable objects in
634	Crossfire TRT).	799	Deliantra).
635		800
636	=over 4	801	=over 4
637		802
638	=item $attachable->attach ($attachment, key => $value...)	803	=item $attachable->attach ($attachment, key => $value...)
639		804
…		…
683	=item cf::CLASS::attachment $name, ...	848	=item cf::CLASS::attachment $name, ...
684		849
685	Register an attachment by C<$name> through which attachable objects of the	850	Register an attachment by C<$name> through which attachable objects of the
686	given CLASS can refer to this attachment.	851	given CLASS can refer to this attachment.
687		852
688	Some classes such as crossfire maps and objects can specify attachments	853	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.	854	that are attached at load/instantiate time, thus the need for a name.
690		855
691	These calls expect any number of the following handler/hook descriptions:	856	These calls expect any number of the following handler/hook descriptions:
692		857
693	=over 4	858	=over 4
…		…
817		982
818	} elsif (exists $cb_id{$type}) {	983	} elsif (exists $cb_id{$type}) {
819	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	984	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
820		985
821	} elsif (ref $type) {	986	} elsif (ref $type) {
822	warn "attaching objects not supported, ignoring.\n";	987	error "attaching objects not supported, ignoring.\n";
823		988
824	} else {	989	} else {
825	shift @arg;	990	shift @arg;
826	warn "attach argument '$type' not supported, ignoring.\n";	991	error "attach argument '$type' not supported, ignoring.\n";
827	}	992	}
828	}	993	}
829	}	994	}
830		995
831	sub _object_attach {	996	sub _object_attach {
…		…
841	_attach $registry, $klass, @attach;	1006	_attach $registry, $klass, @attach;
842	}	1007	}
843		1008
844	$obj->{$name} = \%arg;	1009	$obj->{$name} = \%arg;
845	} else {	1010	} else {
846	warn "object uses attachment '$name' which is not available, postponing.\n";	1011	info "object uses attachment '$name' which is not available, postponing.\n";
847	}	1012	}
848		1013
849	$obj->{_attachment}{$name} = undef;	1014	$obj->{_attachment}{$name} = undef;
850	}	1015	}
851		1016
…		…
910		1075
911	for (@$callbacks) {	1076	for (@$callbacks) {
912	eval { &{$_->[1]} };	1077	eval { &{$_->[1]} };
913		1078
914	if ($@) {	1079	if ($@) {
915	warn "$@";
916	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1080	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
917	override;	1081	override;
918	}	1082	}
919		1083
920	return 1 if $override;	1084	return 1 if $override;
921	}	1085	}
922		1086
923	0	1087	0
924	}	1088	}
925		1089
926	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
927		1091
928	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1092	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
929		1093
930	Generate an object-specific event with the given arguments.	1094	Generate an object-specific event with the given arguments.
931		1095
…		…
937		1101
938	=cut	1102	=cut
939		1103
940	#############################################################################	1104	#############################################################################
941	# object support	1105	# object support
942	#
943		1106
		1107	sub _object_equal($$);
		1108	sub _object_equal($$) {
		1109	my ($a, $b) = @_;
		1110
		1111	return 0 unless (ref $a) eq (ref $b);
		1112
		1113	if ("HASH" eq ref $a) {
		1114	my @ka = keys %$a;
		1115	my @kb = keys %$b;
		1116
		1117	return 0 if @ka != @kb;
		1118
		1119	for (0 .. $#ka) {
		1120	return 0 unless $ka[$_] eq $kb[$_];
		1121	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1122	}
		1123
		1124	} elsif ("ARRAY" eq ref $a) {
		1125
		1126	return 0 if @$a != @$b;
		1127
		1128	for (0 .. $#$a) {
		1129	return 0 unless _object_equal $a->[$_], $b->[$_];
		1130	}
		1131
		1132	} elsif ($a ne $b) {
		1133	return 0;
		1134	}
		1135
		1136	1
		1137	}
		1138
		1139	our $SLOW_MERGES;#d#
944	sub _can_merge {	1140	sub _can_merge {
945	my ($ob1, $ob2) = @_;	1141	my ($ob1, $ob2) = @_;
946		1142
947	local $Storable::canonical = 1;	1143	++$SLOW_MERGES;#d#
948	my $fob1 = Storable::freeze $ob1;
949	my $fob2 = Storable::freeze $ob2;
950		1144
951	$fob1 eq $fob2	1145	# we do the slow way here
		1146	return _object_equal $ob1, $ob2
952	}	1147	}
953		1148
954	sub reattach {	1149	sub reattach {
955	# basically do the same as instantiate, without calling instantiate	1150	# basically do the same as instantiate, without calling instantiate
956	my ($obj) = @_;	1151	my ($obj) = @_;
957		1152
		1153	# no longer needed after getting rid of delete_package?
958	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1154	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
959		1155
960	my $registry = $obj->registry;	1156	my $registry = $obj->registry;
961		1157
962	@$registry = ();	1158	@$registry = ();
963		1159
…		…
968	for (@$attach) {	1164	for (@$attach) {
969	my ($klass, @attach) = @$_;	1165	my ($klass, @attach) = @$_;
970	_attach $registry, $klass, @attach;	1166	_attach $registry, $klass, @attach;
971	}	1167	}
972	} else {	1168	} else {
973	warn "object uses attachment '$name' that is not available, postponing.\n";	1169	info "object uses attachment '$name' that is not available, postponing.\n";
974	}	1170	}
975	}	1171	}
976	}	1172	}
977		1173
978	cf::attachable->attach (	1174	cf::attachable->attach (
979	prio => -1000000,	1175	prio => -1000000,
980	on_instantiate => sub {	1176	on_instantiate => sub {
981	my ($obj, $data) = @_;	1177	my ($obj, $data) = @_;
982		1178
983	$data = from_json $data;	1179	$data = decode_json $data;
984		1180
985	for (@$data) {	1181	for (@$data) {
986	my ($name, $args) = @$_;	1182	my ($name, $args) = @$_;
987		1183
988	$obj->attach ($name, %{$args || {} });	1184	$obj->attach ($name, %{$args || {} });
…		…
1004	sub object_freezer_save {	1200	sub object_freezer_save {
1005	my ($filename, $rdata, $objs) = @_;	1201	my ($filename, $rdata, $objs) = @_;
1006		1202
1007	sync_job {	1203	sync_job {
1008	if (length $$rdata) {	1204	if (length $$rdata) {
		1205	utf8::decode (my $decname = $filename);
1009	warn sprintf "saving %s (%d,%d)\n",	1206	trace sprintf "saving %s (%d,%d)\n",
1010	$filename, length $$rdata, scalar @$objs;	1207	$decname, length $$rdata, scalar @$objs
		1208	if $VERBOSE_IO;
1011		1209
1012	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1210	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1013	chmod SAVE_MODE, $fh;	1211	aio_chmod $fh, SAVE_MODE;
1014	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1212	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1015	aio_fsync $fh if $cf::USE_FSYNC;	1213	if ($cf::USE_FSYNC) {
		1214	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;
		1215	aio_fsync $fh;
		1216	}
1016	close $fh;	1217	aio_close $fh;
1017		1218
1018	if (@$objs) {	1219	if (@$objs) {
1019	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1220	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1020	chmod SAVE_MODE, $fh;	1221	aio_chmod $fh, SAVE_MODE;
1021	my $data = Storable::nfreeze { version => 1, objs => $objs };	1222	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1022	aio_write $fh, 0, (length $data), $data, 0;	1223	aio_write $fh, 0, (length $data), $data, 0;
1023	aio_fsync $fh if $cf::USE_FSYNC;	1224	if ($cf::USE_FSYNC) {
		1225	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;
		1226	aio_fsync $fh;
		1227	}
1024	close $fh;	1228	aio_close $fh;
1025	aio_rename "$filename.pst~", "$filename.pst";	1229	aio_rename "$filename.pst~", "$filename.pst";
1026	}	1230	}
1027	} else {	1231	} else {
1028	aio_unlink "$filename.pst";	1232	aio_unlink "$filename.pst";
1029	}	1233	}
1030		1234
1031	aio_rename "$filename~", $filename;	1235	aio_rename "$filename~", $filename;
		1236
		1237	$filename =~ s%/[^/]+$%%;
		1238	aio_pathsync $filename if $cf::USE_FSYNC;
1032	} else {	1239	} else {
1033	warn "FATAL: $filename~: $!\n";	1240	error "unable to save objects: $filename~: $!\n";
1034	}	1241	}
1035	} else {	1242	} else {
1036	aio_unlink $filename;	1243	aio_unlink $filename;
1037	aio_unlink "$filename.pst";	1244	aio_unlink "$filename.pst";
1038	}	1245	}
1039	}	1246	};
1040	}	1247	}
1041		1248
1042	sub object_freezer_as_string {	1249	sub object_freezer_as_string {
1043	my ($rdata, $objs) = @_;	1250	my ($rdata, $objs) = @_;
1044		1251
…		…
1056	or return;	1263	or return;
1057		1264
1058	unless (aio_stat "$filename.pst") {	1265	unless (aio_stat "$filename.pst") {
1059	(aio_load "$filename.pst", $av) >= 0	1266	(aio_load "$filename.pst", $av) >= 0
1060	or return;	1267	or return;
		1268
1061	$av = eval { (Storable::thaw $av)->{objs} };	1269	my $st = eval { Coro::Storable::thaw $av };
		1270	$av = $st->{objs};
1062	}	1271	}
1063		1272
		1273	utf8::decode (my $decname = $filename);
1064	warn sprintf "loading %s (%d)\n",	1274	trace sprintf "loading %s (%d,%d)\n",
1065	$filename, length $data, scalar @{$av || []};	1275	$decname, length $data, scalar @{$av || []}
		1276	if $VERBOSE_IO;
		1277
1066	return ($data, $av);	1278	($data, $av)
1067	}	1279	}
1068		1280
1069	=head2 COMMAND CALLBACKS	1281	=head2 COMMAND CALLBACKS
1070		1282
1071	=over 4	1283	=over 4
…		…
1125	my ($name, $cb) = @_;	1337	my ($name, $cb) = @_;
1126		1338
1127	$EXTICMD{$name} = $cb;	1339	$EXTICMD{$name} = $cb;
1128	}	1340	}
1129		1341
		1342	use File::Glob ();
		1343
1130	cf::player->attach (	1344	cf::player->attach (
1131	on_command => sub {	1345	on_unknown_command => sub {
1132	my ($pl, $name, $params) = @_;	1346	my ($pl, $name, $params) = @_;
1133		1347
1134	my $cb = $COMMAND{$name}	1348	my $cb = $COMMAND{$name}
1135	or return;	1349	or return;
1136		1350
…		…
1149	my ($type, $reply, @payload) =	1363	my ($type, $reply, @payload) =
1150	"ARRAY" eq ref $msg	1364	"ARRAY" eq ref $msg
1151	? @$msg	1365	? @$msg
1152	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	1366	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1153		1367
		1368	my @reply;
		1369
1154	if (my $cb = $EXTCMD{$type}) {	1370	if (my $cb = $EXTCMD{$type}) {
1155	my @reply = $cb->($pl, @payload);	1371	@reply = $cb->($pl, @payload);
1156
1157	$pl->ext_reply ($reply, @reply)
1158	if $reply;
1159	}	1372	}
		1373
		1374	$pl->ext_reply ($reply, @reply)
		1375	if $reply;
		1376
1160	} else {	1377	} else {
1161	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1378	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1162	}	1379	}
1163		1380
1164	cf::override;	1381	cf::override;
1165	},	1382	},
1166	);	1383	);
1167		1384
		1385	# "readahead" all extensions
		1386	sub cache_extensions {
		1387	my $grp = IO::AIO::aio_group;
		1388
		1389	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1390	for (grep /\.ext$/, @{$_[0]}) {
		1391	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1392	}
		1393	};
		1394
		1395	$grp
		1396	}
		1397
1168	sub load_extensions {	1398	sub load_extensions {
		1399	info "loading extensions...";
		1400
1169	cf::sync_job {	1401	cf::sync_job {
1170	my %todo;	1402	my %todo;
1171		1403
1172	for my $path (<$LIBDIR/*.ext>) {	1404	for my $path (<$LIBDIR/*.ext>) {
1173	next unless -r $path;	1405	next unless -r $path;
…		…
1191		1423
1192	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1424	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1193	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1425	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1194		1426
1195	$ext{source} =	1427	$ext{source} =
1196	"package $pkg; use strict; use utf8;\n"	1428	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1197	. "#line 1 \"$path\"\n{\n"	1429	. "#line 1 \"$path\"\n{\n"
1198	. $source	1430	. $source
1199	. "\n};\n1";	1431	. "\n};\n1";
1200		1432
1201	$todo{$base} = \%ext;	1433	$todo{$base} = \%ext;
1202	}	1434	}
1203		1435
		1436	my $pass = 0;
1204	my %done;	1437	my %done;
1205	while (%todo) {	1438	while (%todo) {
1206	my $progress;	1439	my $progress;
1207		1440
		1441	++$pass;
		1442
		1443	ext:
1208	while (my ($k, $v) = each %todo) {	1444	while (my ($k, $v) = each %todo) {
1209	for (split /,\s*/, $v->{meta}{depends}) {	1445	for (split /,\s*/, $v->{meta}{depends}) {
1210	goto skip	1446	next ext
1211	unless exists $done{$_};	1447	unless exists $done{$_};
1212	}	1448	}
1213		1449
1214	warn "... loading '$k' into '$v->{pkg}'\n";	1450	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1215		1451
1216	unless (eval $v->{source}) {	1452	my $active = eval $v->{source};
		1453
		1454	if (length $@) {
1217	my $msg = $@ ? "$v->{path}: $@\n"	1455	error "$v->{path}: $@\n";
1218	: "$v->{base}: extension inactive.\n";
1219		1456
		1457	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1220	if (exists $v->{meta}{mandatory}) {	1458	if exists $v->{meta}{mandatory};
1221	warn $msg;	1459
1222	warn "mandatory extension failed to load, exiting.\n";	1460	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1223	exit 1;	1461	delete $todo{$k};
1224	}	1462	} else {
1225		1463	$done{$k} = delete $todo{$k};
1226	warn $msg;	1464	push @EXTS, $v->{pkg};
		1465	$progress = 1;
		1466
		1467	info "$v->{base}: extension inactive.\n"
		1468	unless $active;
1227	}	1469	}
1228
1229	$done{$k} = delete $todo{$k};
1230	push @EXTS, $v->{pkg};
1231	$progress = 1;
1232	}	1470	}
1233		1471
1234	skip:	1472	unless ($progress) {
1235	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1473	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1236	unless $progress;	1474
		1475	while (my ($k, $v) = each %todo) {
		1476	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1477	if exists $v->{meta}{mandatory};
		1478	}
		1479	}
1237	}	1480	}
1238	};	1481	};
1239	}	1482	}
1240		1483
1241	#############################################################################	1484	#############################################################################
1242		1485
1243	=back	1486	=back
1244		1487
1245	=head2 CORE EXTENSIONS	1488	=head2 CORE EXTENSIONS
1246		1489
1247	Functions and methods that extend core crossfire objects.	1490	Functions and methods that extend core deliantra objects.
1248		1491
1249	=cut	1492	=cut
1250		1493
1251	package cf::player;	1494	package cf::player;
1252		1495
1253	use Coro::AIO;	1496	use Coro::AIO;
1254		1497
1255	=head3 cf::player	1498	=head3 cf::player
1256		1499
1257	=over 4	1500	=over 4
		1501
		1502	=item cf::player::num_playing
		1503
		1504	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1505
		1506	=cut
		1507
		1508	sub num_playing {
		1509	scalar grep
		1510	$_->ob->map
		1511	&& !$_->hidden
		1512	&& !$_->ob->flag (cf::FLAG_WIZ),
		1513	cf::player::list
		1514	}
1258		1515
1259	=item cf::player::find $login	1516	=item cf::player::find $login
1260		1517
1261	Returns the given player object, loading it if necessary (might block).	1518	Returns the given player object, loading it if necessary (might block).
1262		1519
…		…
1281		1538
1282	sub exists($) {	1539	sub exists($) {
1283	my ($login) = @_;	1540	my ($login) = @_;
1284		1541
1285	$cf::PLAYER{$login}	1542	$cf::PLAYER{$login}
1286	or cf::sync_job { !aio_stat path $login }	1543	or !aio_stat path $login
1287	}	1544	}
1288		1545
1289	sub find($) {	1546	sub find($) {
1290	return $cf::PLAYER{$_[0]} || do {	1547	return $cf::PLAYER{$_[0]} || do {
1291	my $login = $_[0];	1548	my $login = $_[0];
…		…
1298	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1555	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1299	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1556	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1300	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1557	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1301	aio_unlink +(playerdir $login) . "/$login.pl";	1558	aio_unlink +(playerdir $login) . "/$login.pl";
1302		1559
1303	my $pl = load_pl path $login	1560	my $f = new_from_file cf::object::thawer path $login
1304	or return;	1561	or return;
		1562
		1563	my $pl = cf::player::load_pl $f
		1564	or return;
		1565
		1566	local $cf::PLAYER_LOADING{$login} = $pl;
		1567	$f->resolve_delayed_derefs;
1305	$cf::PLAYER{$login} = $pl	1568	$cf::PLAYER{$login} = $pl
1306	}	1569	}
1307	}	1570	}
1308	}	1571	}
		1572
		1573	cf::player->attach (
		1574	on_load => sub {
		1575	my ($pl, $path) = @_;
		1576
		1577	# restore slots saved in save, below
		1578	my $slots = delete $pl->{_slots};
		1579
		1580	$pl->ob->current_weapon ($slots->[0]);
		1581	$pl->combat_ob ($slots->[1]);
		1582	$pl->ranged_ob ($slots->[2]);
		1583	},
		1584	);
1309		1585
1310	sub save($) {	1586	sub save($) {
1311	my ($pl) = @_;	1587	my ($pl) = @_;
1312		1588
1313	return if $pl->{deny_save};	1589	return if $pl->{deny_save};
…		…
1318	return if $pl->{deny_save};	1594	return if $pl->{deny_save};
1319		1595
1320	aio_mkdir playerdir $pl, 0770;	1596	aio_mkdir playerdir $pl, 0770;
1321	$pl->{last_save} = $cf::RUNTIME;	1597	$pl->{last_save} = $cf::RUNTIME;
1322		1598
		1599	cf::get_slot 0.01;
		1600
		1601	# save slots, to be restored later
		1602	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1603
1323	$pl->save_pl ($path);	1604	$pl->save_pl ($path);
1324	Coro::cede;	1605	cf::cede_to_tick;
1325	}	1606	}
1326		1607
1327	sub new($) {	1608	sub new($) {
1328	my ($login) = @_;	1609	my ($login) = @_;
1329		1610
…		…
1358	my ($pl) = @_;	1639	my ($pl) = @_;
1359		1640
1360	my $name = $pl->ob->name;	1641	my $name = $pl->ob->name;
1361		1642
1362	$pl->{deny_save} = 1;	1643	$pl->{deny_save} = 1;
1363	$pl->password ("*"); # this should lock out the player until we nuked the dir	1644	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1364		1645
1365	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1646	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1366	$pl->deactivate;	1647	$pl->deactivate;
		1648	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1367	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1649	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1368	$pl->ns->destroy if $pl->ns;	1650	$pl->ns->destroy if $pl->ns;
1369		1651
1370	my $path = playerdir $pl;	1652	my $path = playerdir $pl;
1371	my $temp = "$path~$cf::RUNTIME~deleting~";	1653	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1407	or return [];	1689	or return [];
1408		1690
1409	my @logins;	1691	my @logins;
1410		1692
1411	for my $login (@$dirs) {	1693	for my $login (@$dirs) {
		1694	my $path = path $login;
		1695
		1696	# a .pst is a dead give-away for a valid player
		1697	# if no pst file found, open and chekc for blocked users
		1698	if (aio_stat "$path.pst") {
1412	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1699	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1413	aio_read $fh, 0, 512, my $buf, 0 or next;	1700	aio_read $fh, 0, 512, my $buf, 0 or next;
1414	$buf !~ /^password -------------$/m or next; # official not-valid tag	1701	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1702	}
1415		1703
1416	utf8::decode $login;	1704	utf8::decode $login;
1417	push @logins, $login;	1705	push @logins, $login;
1418	}	1706	}
1419		1707
1420	\@logins	1708	\@logins
1421	}	1709	}
1422		1710
1423	=item $player->maps	1711	=item $player->maps
		1712
		1713	=item cf::player::maps $login
1424		1714
1425	Returns an arrayref of map paths that are private for this	1715	Returns an arrayref of map paths that are private for this
1426	player. May block.	1716	player. May block.
1427		1717
1428	=cut	1718	=cut
…		…
1446	}	1736	}
1447		1737
1448	\@paths	1738	\@paths
1449	}	1739	}
1450		1740
1451	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1741	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1452		1742
1453	Expand crossfire pod fragments into protocol xml.	1743	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		1744
1501	=item $player->ext_reply ($msgid, @msg)	1745	=item $player->ext_reply ($msgid, @msg)
1502		1746
1503	Sends an ext reply to the player.	1747	Sends an ext reply to the player.
1504		1748
1505	=cut	1749	=cut
1506		1750
1507	sub ext_reply($$@) {	1751	sub ext_reply($$@) {
1508	my ($self, $id, @msg) = @_;	1752	my ($self, $id, @msg) = @_;
1509		1753
1510	if ($self->ns->extcmd == 2) {	1754	$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	}	1755	}
1518		1756
1519	=item $player->ext_msg ($type, @msg)	1757	=item $player->ext_msg ($type, @msg)
1520		1758
1521	Sends an ext event to the client.	1759	Sends an ext event to the client.
…		…
1542		1780
1543	=cut	1781	=cut
1544		1782
1545	sub find_by_path($) {	1783	sub find_by_path($) {
1546	my ($path) = @_;	1784	my ($path) = @_;
		1785
		1786	$path =~ s/^~[^\/]*//; # skip ~login
1547		1787
1548	my ($match, $specificity);	1788	my ($match, $specificity);
1549		1789
1550	for my $region (list) {	1790	for my $region (list) {
1551	if ($region->{match} && $path =~ $region->{match}) {	1791	if ($region->{match} && $path =~ $region->{match}) {
…		…
1577	our $MAX_RESET = 3600;	1817	our $MAX_RESET = 3600;
1578	our $DEFAULT_RESET = 3000;	1818	our $DEFAULT_RESET = 3000;
1579		1819
1580	sub generate_random_map {	1820	sub generate_random_map {
1581	my ($self, $rmp) = @_;	1821	my ($self, $rmp) = @_;
		1822
		1823	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1824
1582	# mit "rum" bekleckern, nicht	1825	# mit "rum" bekleckern, nicht
1583	$self->_create_random_map (	1826	$self->_create_random_map (
1584	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1827	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1585	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1828	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1586	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1829	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1587	$rmp->{exit_on_final_map},	1830	$rmp->{exit_on_final_map},
1588	$rmp->{xsize}, $rmp->{ysize},	1831	$rmp->{xsize}, $rmp->{ysize},
1589	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1832	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1590	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1833	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1612		1855
1613	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1856	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1614	}	1857	}
1615		1858
1616	# also paths starting with '/'	1859	# also paths starting with '/'
1617	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1860	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1618		1861
1619	sub thawer_merge {	1862	sub thawer_merge {
1620	my ($self, $merge) = @_;	1863	my ($self, $merge) = @_;
1621		1864
1622	# we have to keep some variables in memory intact	1865	# we have to keep some variables in memory intact
…		…
1708		1951
1709	# the temporary/swap location	1952	# the temporary/swap location
1710	sub save_path {	1953	sub save_path {
1711	my ($self) = @_;	1954	my ($self) = @_;
1712		1955
1713	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1956	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1714	"$TMPDIR/$path.map"	1957	"$TMPDIR/$path.map"
1715	}	1958	}
1716		1959
1717	# the unique path, undef == no special unique path	1960	# the unique path, undef == no special unique path
1718	sub uniq_path {	1961	sub uniq_path {
1719	my ($self) = @_;	1962	my ($self) = @_;
1720		1963
1721	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1964	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1722	"$UNIQUEDIR/$path"	1965	"$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	}	1966	}
1733		1967
1734	sub decay_objects {	1968	sub decay_objects {
1735	my ($self) = @_;	1969	my ($self) = @_;
1736		1970
…		…
1749		1983
1750	sub load_header_from($) {	1984	sub load_header_from($) {
1751	my ($self, $path) = @_;	1985	my ($self, $path) = @_;
1752		1986
1753	utf8::encode $path;	1987	utf8::encode $path;
1754	#aio_open $path, O_RDONLY, 0	1988	my $f = new_from_file cf::object::thawer $path
1755	# or return;
1756
1757	$self->_load_header ($path)
1758	or return;	1989	or return;
		1990
		1991	$self->_load_header ($f)
		1992	or return;
		1993
		1994	local $MAP_LOADING{$self->{path}} = $self;
		1995	$f->resolve_delayed_derefs;
1759		1996
1760	$self->{load_path} = $path;	1997	$self->{load_path} = $path;
1761		1998
1762	1	1999	1
1763	}	2000	}
…		…
1817	sub find {	2054	sub find {
1818	my ($path, $origin) = @_;	2055	my ($path, $origin) = @_;
1819		2056
1820	$path = normalise $path, $origin && $origin->path;	2057	$path = normalise $path, $origin && $origin->path;
1821		2058
		2059	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1822	cf::lock_wait "map_find:$path";	2060	my $guard2 = cf::lock_acquire "map_find:$path";
1823		2061
1824	$cf::MAP{$path} || do {	2062	$cf::MAP{$path} || do {
1825	my $guard = cf::lock_acquire "map_find:$path";
1826	my $map = new_from_path cf::map $path	2063	my $map = new_from_path cf::map $path
1827	or return;	2064	or return;
1828		2065
1829	$map->{last_save} = $cf::RUNTIME;	2066	$map->{last_save} = $cf::RUNTIME;
1830		2067
…		…
1832	or return;	2069	or return;
1833		2070
1834	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2071	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1835	# doing this can freeze the server in a sync job, obviously	2072	# doing this can freeze the server in a sync job, obviously
1836	#$cf::WAIT_FOR_TICK->wait;	2073	#$cf::WAIT_FOR_TICK->wait;
		2074	undef $guard2;
		2075	undef $guard1;
1837	$map->reset;	2076	$map->reset;
1838	undef $guard;
1839	return find $path;	2077	return find $path;
1840	}	2078	}
1841		2079
1842	$cf::MAP{$path} = $map	2080	$cf::MAP{$path} = $map
1843	}	2081	}
1844	}	2082	}
1845		2083
1846	sub pre_load { }	2084	sub pre_load { }
1847	sub post_load { }	2085	#sub post_load { } # XS
1848		2086
1849	sub load {	2087	sub load {
1850	my ($self) = @_;	2088	my ($self) = @_;
1851		2089
1852	local $self->{deny_reset} = 1; # loading can take a long time	2090	local $self->{deny_reset} = 1; # loading can take a long time
1853		2091
1854	my $path = $self->{path};	2092	my $path = $self->{path};
1855		2093
1856	{	2094	{
1857	my $guard = cf::lock_acquire "map_load:$path";	2095	my $guard = cf::lock_acquire "map_data:$path";
1858		2096
		2097	return unless $self->valid;
1859	return if $self->in_memory != cf::MAP_SWAPPED;	2098	return unless $self->in_memory == cf::MAP_SWAPPED;
1860		2099
1861	$self->in_memory (cf::MAP_LOADING);	2100	$self->in_memory (cf::MAP_LOADING);
1862		2101
1863	$self->alloc;	2102	$self->alloc;
1864		2103
1865	$self->pre_load;	2104	$self->pre_load;
1866	Coro::cede;	2105	cf::cede_to_tick;
1867		2106
		2107	my $f = new_from_file cf::object::thawer $self->{load_path};
		2108	$f->skip_block;
1868	$self->_load_objects ($self->{load_path}, 1)	2109	$self->_load_objects ($f)
1869	or return;	2110	or return;
1870		2111
1871	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2112	$self->post_load_original
1872	if delete $self->{load_original};	2113	if delete $self->{load_original};
1873		2114
1874	if (my $uniq = $self->uniq_path) {	2115	if (my $uniq = $self->uniq_path) {
1875	utf8::encode $uniq;	2116	utf8::encode $uniq;
1876	if (aio_open $uniq, O_RDONLY, 0) {	2117	unless (aio_stat $uniq) {
		2118	if (my $f = new_from_file cf::object::thawer $uniq) {
1877	$self->clear_unique_items;	2119	$self->clear_unique_items;
1878	$self->_load_objects ($uniq, 0);	2120	$self->_load_objects ($f);
		2121	$f->resolve_delayed_derefs;
		2122	}
1879	}	2123	}
1880	}	2124	}
1881		2125
1882	Coro::cede;	2126	$f->resolve_delayed_derefs;
		2127
		2128	cf::cede_to_tick;
1883	# now do the right thing for maps	2129	# now do the right thing for maps
1884	$self->link_multipart_objects;	2130	$self->link_multipart_objects;
1885	$self->difficulty ($self->estimate_difficulty)	2131	$self->difficulty ($self->estimate_difficulty)
1886	unless $self->difficulty;	2132	unless $self->difficulty;
1887	Coro::cede;	2133	cf::cede_to_tick;
1888		2134
1889	unless ($self->{deny_activate}) {	2135	unless ($self->{deny_activate}) {
1890	$self->decay_objects;	2136	$self->decay_objects;
1891	$self->fix_auto_apply;	2137	$self->fix_auto_apply;
1892	$self->update_buttons;	2138	$self->update_buttons;
1893	Coro::cede;	2139	cf::cede_to_tick;
1894	$self->set_darkness_map;
1895	Coro::cede;
1896	$self->activate;	2140	$self->activate;
1897	}	2141	}
1898		2142
1899	$self->{last_save} = $cf::RUNTIME;	2143	$self->{last_save} = $cf::RUNTIME;
1900	$self->last_access ($cf::RUNTIME);	2144	$self->last_access ($cf::RUNTIME);
1901		2145
1902	$self->in_memory (cf::MAP_IN_MEMORY);	2146	$self->in_memory (cf::MAP_ACTIVE);
1903	}	2147	}
1904		2148
1905	$self->post_load;	2149	$self->post_load;
1906	}	2150	}
1907		2151
		2152	# customize the map for a given player, i.e.
		2153	# return the _real_ map. used by e.g. per-player
		2154	# maps to change the path to ~playername/mappath
1908	sub customise_for {	2155	sub customise_for {
1909	my ($self, $ob) = @_;	2156	my ($self, $ob) = @_;
1910		2157
1911	return find "~" . $ob->name . "/" . $self->{path}	2158	return find "~" . $ob->name . "/" . $self->{path}
1912	if $self->per_player;	2159	if $self->per_player;
…		…
1916		2163
1917	$self	2164	$self
1918	}	2165	}
1919		2166
1920	# find and load all maps in the 3x3 area around a map	2167	# find and load all maps in the 3x3 area around a map
1921	sub load_diag {	2168	sub load_neighbours {
1922	my ($map) = @_;	2169	my ($map) = @_;
1923		2170
1924	my @diag; # diagonal neighbours	2171	my @neigh; # diagonal neighbours
1925		2172
1926	for (0 .. 3) {	2173	for (0 .. 3) {
1927	my $neigh = $map->tile_path ($_)	2174	my $neigh = $map->tile_path ($_)
1928	or next;	2175	or next;
1929	$neigh = find $neigh, $map	2176	$neigh = find $neigh, $map
1930	or next;	2177	or next;
1931	$neigh->load;	2178	$neigh->load;
1932		2179
		2180	# now find the diagonal neighbours
		2181	push @neigh,
1933	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2182	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1934	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2183	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1935	}	2184	}
1936		2185
1937	for (@diag) {	2186	for (grep defined $_->[0], @neigh) {
		2187	my ($path, $origin) = @$_;
1938	my $neigh = find @$_	2188	my $neigh = find $path, $origin
1939	or next;	2189	or next;
1940	$neigh->load;	2190	$neigh->load;
1941	}	2191	}
1942	}	2192	}
1943		2193
1944	sub find_sync {	2194	sub find_sync {
1945	my ($path, $origin) = @_;	2195	my ($path, $origin) = @_;
1946		2196
1947	cf::sync_job { find $path, $origin }	2197	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2198	if $Coro::current == $Coro::main;
		2199
		2200	find $path, $origin
1948	}	2201	}
1949		2202
1950	sub do_load_sync {	2203	sub do_load_sync {
1951	my ($map) = @_;	2204	my ($map) = @_;
1952		2205
1953	cf::sync_job { $map->load };	2206	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2207	if $Coro::current == $Coro::main;
		2208
		2209	$map->load;
1954	}	2210	}
1955		2211
1956	our %MAP_PREFETCH;	2212	our %MAP_PREFETCH;
1957	our $MAP_PREFETCHER = undef;	2213	our $MAP_PREFETCHER = undef;
1958		2214
1959	sub find_async {	2215	sub find_async {
1960	my ($path, $origin) = @_;	2216	my ($path, $origin, $load) = @_;
1961		2217
1962	$path = normalise $path, $origin && $origin->{path};	2218	$path = normalise $path, $origin && $origin->{path};
1963		2219
1964	if (my $map = $cf::MAP{$path}) {	2220	if (my $map = $cf::MAP{$path}) {
1965	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2221	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1966	}	2222	}
1967		2223
1968	undef $MAP_PREFETCH{$path};	2224	$MAP_PREFETCH{$path} |= $load;
		2225
1969	$MAP_PREFETCHER ||= cf::async {	2226	$MAP_PREFETCHER ||= cf::async {
		2227	$Coro::current->{desc} = "map prefetcher";
		2228
1970	while (%MAP_PREFETCH) {	2229	while (%MAP_PREFETCH) {
1971	for my $path (keys %MAP_PREFETCH) {	2230	while (my ($k, $v) = each %MAP_PREFETCH) {
1972	if (my $map = find $path) {	2231	if (my $map = find $k) {
1973	$map->load;	2232	$map->load if $v;
1974	}	2233	}
1975		2234
1976	delete $MAP_PREFETCH{$path};	2235	delete $MAP_PREFETCH{$k};
1977	}	2236	}
1978	}	2237	}
1979	undef $MAP_PREFETCHER;	2238	undef $MAP_PREFETCHER;
1980	};	2239	};
1981	$MAP_PREFETCHER->prio (6);	2240	$MAP_PREFETCHER->prio (6);
1982		2241
1983	()	2242	()
1984	}	2243	}
1985		2244
		2245	# common code, used by both ->save and ->swapout
1986	sub save {	2246	sub _save {
1987	my ($self) = @_;	2247	my ($self) = @_;
1988
1989	my $lock = cf::lock_acquire "map_data:" . $self->path;
1990		2248
1991	$self->{last_save} = $cf::RUNTIME;	2249	$self->{last_save} = $cf::RUNTIME;
1992		2250
1993	return unless $self->dirty;	2251	return unless $self->dirty;
1994		2252
…		…
2000	return if $self->{deny_save};	2258	return if $self->{deny_save};
2001		2259
2002	local $self->{last_access} = $self->last_access;#d#	2260	local $self->{last_access} = $self->last_access;#d#
2003		2261
2004	cf::async {	2262	cf::async {
		2263	$Coro::current->{desc} = "map player save";
2005	$_->contr->save for $self->players;	2264	$_->contr->save for $self->players;
2006	};	2265	};
		2266
		2267	cf::get_slot 0.02;
2007		2268
2008	if ($uniq) {	2269	if ($uniq) {
2009	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2270	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2010	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2271	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2011	} else {	2272	} else {
2012	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2273	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2013	}	2274	}
2014	}	2275	}
2015		2276
		2277	sub save {
		2278	my ($self) = @_;
		2279
		2280	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2281
		2282	$self->_save;
		2283	}
		2284
2016	sub swap_out {	2285	sub swap_out {
2017	my ($self) = @_;	2286	my ($self) = @_;
2018		2287
2019	# save first because save cedes
2020	$self->save;
2021
2022	my $lock = cf::lock_acquire "map_data:" . $self->path;	2288	my $lock = cf::lock_acquire "map_data:$self->{path}";
2023		2289
		2290	return if $self->in_memory != cf::MAP_ACTIVE;
		2291	return if $self->{deny_save};
2024	return if $self->players;	2292	return if $self->players;
2025	return if $self->in_memory != cf::MAP_IN_MEMORY;
2026	return if $self->{deny_save};
2027		2293
		2294	# first deactivate the map and "unlink" it from the core
		2295	$self->deactivate;
		2296	$_->clear_links_to ($self) for values %cf::MAP;
		2297	$self->in_memory (cf::MAP_SWAPPED);
		2298
		2299	# then atomically save
		2300	$self->_save;
		2301
		2302	# then free the map
2028	$self->clear;	2303	$self->clear;
2029	$self->in_memory (cf::MAP_SWAPPED);
2030	}	2304	}
2031		2305
2032	sub reset_at {	2306	sub reset_at {
2033	my ($self) = @_;	2307	my ($self) = @_;
2034		2308
…		…
2052		2326
2053	my $lock = cf::lock_acquire "map_data:$self->{path}";	2327	my $lock = cf::lock_acquire "map_data:$self->{path}";
2054		2328
2055	return if $self->players;	2329	return if $self->players;
2056		2330
2057	warn "resetting map ", $self->path;	2331	cf::trace "resetting map ", $self->path, "\n";
2058		2332
2059	$self->in_memory (cf::MAP_SWAPPED);	2333	$self->in_memory (cf::MAP_SWAPPED);
2060		2334
2061	# need to save uniques path	2335	# need to save uniques path
2062	unless ($self->{deny_save}) {	2336	unless ($self->{deny_save}) {
…		…
2066	if $uniq;	2340	if $uniq;
2067	}	2341	}
2068		2342
2069	delete $cf::MAP{$self->path};	2343	delete $cf::MAP{$self->path};
2070		2344
		2345	$self->deactivate;
		2346	$_->clear_links_to ($self) for values %cf::MAP;
2071	$self->clear;	2347	$self->clear;
2072
2073	$_->clear_links_to ($self) for values %cf::MAP;
2074		2348
2075	$self->unlink_save;	2349	$self->unlink_save;
2076	$self->destroy;	2350	$self->destroy;
2077	}	2351	}
2078		2352
2079	my $nuke_counter = "aaaa";	2353	my $nuke_counter = "aaaa";
2080		2354
2081	sub nuke {	2355	sub nuke {
2082	my ($self) = @_;	2356	my ($self) = @_;
2083		2357
		2358	{
		2359	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2360
2084	delete $cf::MAP{$self->path};	2361	delete $cf::MAP{$self->path};
2085		2362
2086	$self->unlink_save;	2363	$self->unlink_save;
2087		2364
2088	bless $self, "cf::map";	2365	bless $self, "cf::map::wrap";
2089	delete $self->{deny_reset};	2366	delete $self->{deny_reset};
2090	$self->{deny_save} = 1;	2367	$self->{deny_save} = 1;
2091	$self->reset_timeout (1);	2368	$self->reset_timeout (1);
2092	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2369	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2093		2370
2094	$cf::MAP{$self->path} = $self;	2371	$cf::MAP{$self->path} = $self;
		2372	}
2095		2373
2096	$self->reset; # polite request, might not happen	2374	$self->reset; # polite request, might not happen
2097	}	2375	}
2098		2376
2099	=item $maps = cf::map::tmp_maps	2377	=item $maps = cf::map::tmp_maps
…		…
2141		2419
2142	sub unique_maps() {	2420	sub unique_maps() {
2143	[	2421	[
2144	map {	2422	map {
2145	utf8::decode $_;	2423	utf8::decode $_;
2146	/\.map$/	2424	s/\.map$//; # TODO future compatibility hack
		2425	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2426	? ()
2147	? normalise $_	2427	: normalise $_
2148	: ()
2149	} @{ aio_readdir $UNIQUEDIR or [] }	2428	} @{ aio_readdir $UNIQUEDIR or [] }
2150	]	2429	]
2151	}	2430	}
2152		2431
2153	package cf;	2432	=item cf::map::static_maps
		2433
		2434	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2435	file in the shared directory excluding F</styles> and F</editor>). May
		2436	block.
		2437
		2438	=cut
		2439
		2440	sub static_maps() {
		2441	my @dirs = "";
		2442	my @maps;
		2443
		2444	while (@dirs) {
		2445	my $dir = shift @dirs;
		2446
		2447	next if $dir eq "/styles" || $dir eq "/editor";
		2448
		2449	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2450	or return;
		2451
		2452	for (@$files) {
		2453	s/\.map$// or next;
		2454	utf8::decode $_;
		2455	push @maps, "$dir/$_";
		2456	}
		2457
		2458	push @dirs, map "$dir/$_", @$dirs;
		2459	}
		2460
		2461	\@maps
		2462	}
2154		2463
2155	=back	2464	=back
2156		2465
2157	=head3 cf::object	2466	=head3 cf::object
2158		2467
…		…
2162		2471
2163	=over 4	2472	=over 4
2164		2473
2165	=item $ob->inv_recursive	2474	=item $ob->inv_recursive
2166		2475
2167	Returns the inventory of the object _and_ their inventories, recursively.	2476	Returns the inventory of the object I<and> their inventories, recursively,
		2477	but I<not> the object itself.
2168		2478
2169	=cut	2479	=cut
2170		2480
2171	sub inv_recursive_;	2481	sub inv_recursive_;
2172	sub inv_recursive_ {	2482	sub inv_recursive_ {
…		…
2175		2485
2176	sub inv_recursive {	2486	sub inv_recursive {
2177	inv_recursive_ inv $_[0]	2487	inv_recursive_ inv $_[0]
2178	}	2488	}
2179		2489
		2490	=item $ref = $ob->ref
		2491
		2492	Creates and returns a persistent reference to an object that can be stored as a string.
		2493
		2494	=item $ob = cf::object::deref ($refstring)
		2495
		2496	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2497	even if the object actually exists. May block.
		2498
		2499	=cut
		2500
		2501	sub deref {
		2502	my ($ref) = @_;
		2503
		2504	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2505	my ($uuid, $name) = ($1, $2);
		2506	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2507	or return;
		2508	$pl->ob->uuid eq $uuid
		2509	or return;
		2510
		2511	$pl->ob
		2512	} else {
		2513	warn "$ref: cannot resolve object reference\n";
		2514	undef
		2515	}
		2516	}
		2517
2180	package cf;	2518	package cf;
2181		2519
2182	=back	2520	=back
2183		2521
2184	=head3 cf::object::player	2522	=head3 cf::object::player
…		…
2190	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2528	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	2529	can be C<undef>. Does the right thing when the player is currently in a
2192	dialogue with the given NPC character.	2530	dialogue with the given NPC character.
2193		2531
2194	=cut	2532	=cut
		2533
		2534	our $SAY_CHANNEL = {
		2535	id => "say",
		2536	title => "Map",
		2537	reply => "say ",
		2538	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2539	};
		2540
		2541	our $CHAT_CHANNEL = {
		2542	id => "chat",
		2543	title => "Chat",
		2544	reply => "chat ",
		2545	tooltip => "Player chat and shouts, global to the server.",
		2546	};
2195		2547
2196	# rough implementation of a future "reply" method that works	2548	# rough implementation of a future "reply" method that works
2197	# with dialog boxes.	2549	# with dialog boxes.
2198	#TODO: the first argument must go, split into a $npc->reply_to ( method	2550	#TODO: the first argument must go, split into a $npc->reply_to ( method
2199	sub cf::object::player::reply($$$;$) {	2551	sub cf::object::player::reply($$$;$) {
…		…
2211	my $dialog = $pl->{npc_dialog};	2563	my $dialog = $pl->{npc_dialog};
2212	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2564	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2213		2565
2214	} else {	2566	} else {
2215	$msg = $npc->name . " says: $msg" if $npc;	2567	$msg = $npc->name . " says: $msg" if $npc;
2216	$self->message ($msg, $flags);	2568	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2217	}	2569	}
2218	}	2570	}
2219	}	2571	}
2220		2572
2221	=item $object->send_msg ($channel, $msg, $color, [extra...])	2573	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2246		2598
2247	=item $player_object->enter_link	2599	=item $player_object->enter_link
2248		2600
2249	Freezes the player and moves him/her to a special map (C<{link}>).	2601	Freezes the player and moves him/her to a special map (C<{link}>).
2250		2602
2251	The player should be reasonably safe there for short amounts of time. You	2603	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.	2604	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2605	though, as the player cannot control the character while it is on the link
		2606	map.
2253		2607
2254	Will never block.	2608	Will never block.
2255		2609
2256	=item $player_object->leave_link ($map, $x, $y)	2610	=item $player_object->leave_link ($map, $x, $y)
2257		2611
…		…
2277	sub cf::object::player::enter_link {	2631	sub cf::object::player::enter_link {
2278	my ($self) = @_;	2632	my ($self) = @_;
2279		2633
2280	$self->deactivate_recursive;	2634	$self->deactivate_recursive;
2281		2635
		2636	++$self->{_link_recursion};
		2637
2282	return if UNIVERSAL::isa $self->map, "ext::map_link";	2638	return if UNIVERSAL::isa $self->map, "ext::map_link";
2283		2639
2284	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2640	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2285	if $self->map && $self->map->{path} ne "{link}";	2641	if $self->map && $self->map->{path} ne "{link}";
2286		2642
2287	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2643	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2288	}	2644	}
2289		2645
2290	sub cf::object::player::leave_link {	2646	sub cf::object::player::leave_link {
2291	my ($self, $map, $x, $y) = @_;	2647	my ($self, $map, $x, $y) = @_;
2292		2648
…		…
2309	($x, $y) = (-1, -1)	2665	($x, $y) = (-1, -1)
2310	unless (defined $x) && (defined $y);	2666	unless (defined $x) && (defined $y);
2311		2667
2312	# use -1 or undef as default coordinates, not 0, 0	2668	# use -1 or undef as default coordinates, not 0, 0
2313	($x, $y) = ($map->enter_x, $map->enter_y)	2669	($x, $y) = ($map->enter_x, $map->enter_y)
2314	if $x <=0 && $y <= 0;	2670	if $x <= 0 && $y <= 0;
2315		2671
2316	$map->load;	2672	$map->load;
2317	$map->load_diag;	2673	$map->load_neighbours;
2318		2674
2319	return unless $self->contr->active;	2675	return unless $self->contr->active;
2320	$self->activate_recursive;
2321		2676
2322	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2677	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2323	$self->enter_map ($map, $x, $y);	2678	if ($self->enter_map ($map, $x, $y)) {
2324	}	2679	# entering was successful
		2680	delete $self->{_link_recursion};
		2681	# only activate afterwards, to support waiting in hooks
		2682	$self->activate_recursive;
		2683	}
2325		2684
		2685	}
		2686
2326	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2687	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2327		2688
2328	Moves the player to the given map-path and coordinates by first freezing	2689	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	2690	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	2691	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	2692	the new (success) or old (failed) map position. In either case, $done will
2332	be called at the end of this process.	2693	be called at the end of this process.
2333		2694
		2695	Note that $check will be called with a potentially non-loaded map, so if
		2696	it needs a loaded map it has to call C<< ->load >>.
		2697
2334	=cut	2698	=cut
2335		2699
2336	our $GOTOGEN;	2700	our $GOTOGEN;
2337		2701
2338	sub cf::object::player::goto {	2702	sub cf::object::player::goto {
2339	my ($self, $path, $x, $y, $check, $done) = @_;	2703	my ($self, $path, $x, $y, $check, $done) = @_;
2340		2704
		2705	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2706	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2707	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2708	($path, $x, $y) = @$EMERGENCY_POSITION;
		2709	}
		2710
2341	# do generation counting so two concurrent goto's will be executed in-order	2711	# do generation counting so two concurrent goto's will be executed in-order
2342	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2712	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2343		2713
2344	$self->enter_link;	2714	$self->enter_link;
2345		2715
2346	(async {	2716	(async {
		2717	$Coro::current->{desc} = "player::goto $path $x $y";
		2718
		2719	# *tag paths override both path and x|y
		2720	if ($path =~ /^\*(.*)$/) {
		2721	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2722	my $ob = $obs[rand @obs];
		2723
		2724	# see if we actually can go there
		2725	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2726	$ob = $obs[rand @obs];
		2727	} else {
		2728	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2729	}
		2730	# else put us there anyways for now #d#
		2731
		2732	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2733	} else {
		2734	($path, $x, $y) = (undef, undef, undef);
		2735	}
		2736	}
		2737
2347	my $map = eval {	2738	my $map = eval {
2348	my $map = cf::map::find $path;	2739	my $map = defined $path ? cf::map::find $path : undef;
2349		2740
2350	if ($map) {	2741	if ($map) {
2351	$map = $map->customise_for ($self);	2742	$map = $map->customise_for ($self);
2352	$map = $check->($map) if $check && $map;	2743	$map = $check->($map, $x, $y, $self) if $check && $map;
2353	} else {	2744	} else {
2354	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2745	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2355	}	2746	}
2356		2747
2357	$map	2748	$map
2358	};	2749	};
2359		2750
…		…
2365	if ($gen == $self->{_goto_generation}) {	2756	if ($gen == $self->{_goto_generation}) {
2366	delete $self->{_goto_generation};	2757	delete $self->{_goto_generation};
2367	$self->leave_link ($map, $x, $y);	2758	$self->leave_link ($map, $x, $y);
2368	}	2759	}
2369		2760
2370	$done->() if $done;	2761	$done->($self) if $done;
2371	})->prio (1);	2762	})->prio (1);
2372	}	2763	}
2373		2764
2374	=item $player_object->enter_exit ($exit_object)	2765	=item $player_object->enter_exit ($exit_object)
2375		2766
…		…
2395	}	2786	}
2396		2787
2397	sub prepare_random_map {	2788	sub prepare_random_map {
2398	my ($exit) = @_;	2789	my ($exit) = @_;
2399		2790
2400	my $guard = cf::lock_acquire "exit_prepare:$exit";
2401
2402	# all this does is basically replace the /! path by	2791	# all this does is basically replace the /! path by
2403	# a new random map path (?random/...) with a seed	2792	# a new random map path (?random/...) with a seed
2404	# that depends on the exit object	2793	# that depends on the exit object
2405		2794
2406	my $rmp = parse_random_map_params $exit->msg;	2795	my $rmp = parse_random_map_params $exit->msg;
…		…
2408	if ($exit->map) {	2797	if ($exit->map) {
2409	$rmp->{region} = $exit->region->name;	2798	$rmp->{region} = $exit->region->name;
2410	$rmp->{origin_map} = $exit->map->path;	2799	$rmp->{origin_map} = $exit->map->path;
2411	$rmp->{origin_x} = $exit->x;	2800	$rmp->{origin_x} = $exit->x;
2412	$rmp->{origin_y} = $exit->y;	2801	$rmp->{origin_y} = $exit->y;
		2802
		2803	$exit->map->touch;
2413	}	2804	}
2414		2805
2415	$rmp->{random_seed} ||= $exit->random_seed;	2806	$rmp->{random_seed} ||= $exit->random_seed;
2416		2807
2417	my $data = cf::to_json $rmp;	2808	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2418	my $md5 = Digest::MD5::md5_hex $data;	2809	my $md5 = Digest::MD5::md5_hex $data;
2419	my $meta = "$RANDOMDIR/$md5.meta";	2810	my $meta = "$RANDOMDIR/$md5.meta";
2420		2811
2421	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2812	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2422	aio_write $fh, 0, (length $data), $data, 0;	2813	aio_write $fh, 0, (length $data), $data, 0;
2423	undef $fh;	2814	undef $fh;
2424	aio_rename "$meta~", $meta;	2815	aio_rename "$meta~", $meta;
2425		2816
		2817	my $slaying = "?random/$md5";
		2818
		2819	if ($exit->valid) {
2426	$exit->slaying ("?random/$md5");	2820	$exit->slaying ("?random/$md5");
2427	$exit->msg (undef);	2821	$exit->msg (undef);
		2822	}
2428	}	2823	}
2429	}	2824	}
2430		2825
2431	sub cf::object::player::enter_exit {	2826	sub cf::object::player::enter_exit {
2432	my ($self, $exit) = @_;	2827	my ($self, $exit) = @_;
2433		2828
2434	return unless $self->type == cf::PLAYER;	2829	return unless $self->type == cf::PLAYER;
2435		2830
2436	if ($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;	2831	$self->enter_link;
2448		2832
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 {	2833	(async {
2454	$self->deactivate_recursive; # just to be sure	2834	$Coro::current->{desc} = "enter_exit";
		2835
2455	unless (eval {	2836	unless (eval {
		2837	$self->deactivate_recursive; # just to be sure
		2838
		2839	# random map handling
		2840	{
		2841	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2842
		2843	prepare_random_map $exit
		2844	if $exit->slaying eq "/!";
		2845	}
		2846
		2847	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2848	my $x = $exit->stats->hp;
		2849	my $y = $exit->stats->sp;
		2850
2456	$self->goto ($slaying, $hp, $sp);	2851	$self->goto ($map, $x, $y);
2457		2852
		2853	# if exit is damned, update players death & WoR home-position
		2854	$self->contr->savebed ($map, $x, $y)
		2855	if $exit->flag (cf::FLAG_DAMNED);
		2856
2458	1;	2857	1
2459	}) {	2858	}) {
2460	$self->message ("Something went wrong deep within the crossfire server. "	2859	$self->message ("Something went wrong deep within the deliantra server. "
2461	. "I'll try to bring you back to the map you were before. "	2860	. "I'll try to bring you back to the map you were before. "
2462	. "Please report this to the dungeon master!",	2861	. "Please report this to the dungeon master!",
2463	cf::NDI_UNIQUE | cf::NDI_RED);	2862	cf::NDI_UNIQUE | cf::NDI_RED);
2464		2863
2465	warn "ERROR in enter_exit: $@";	2864	error "ERROR in enter_exit: $@";
2466	$self->leave_link;	2865	$self->leave_link;
2467	}	2866	}
2468	})->prio (1);	2867	})->prio (1);
2469	}	2868	}
2470		2869
…		…
2482	sub cf::client::send_drawinfo {	2881	sub cf::client::send_drawinfo {
2483	my ($self, $text, $flags) = @_;	2882	my ($self, $text, $flags) = @_;
2484		2883
2485	utf8::encode $text;	2884	utf8::encode $text;
2486	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2885	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2886	}
		2887
		2888	=item $client->send_big_packet ($pkt)
		2889
		2890	Like C<send_packet>, but tries to compress large packets, and fragments
		2891	them as required.
		2892
		2893	=cut
		2894
		2895	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2896
		2897	sub cf::client::send_big_packet {
		2898	my ($self, $pkt) = @_;
		2899
		2900	# try lzf for large packets
		2901	$pkt = "lzf " . Compress::LZF::compress $pkt
		2902	if 1024 <= length $pkt and $self->{can_lzf};
		2903
		2904	# split very large packets
		2905	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2906	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2907	$pkt = "frag";
		2908	}
		2909
		2910	$self->send_packet ($pkt);
2487	}	2911	}
2488		2912
2489	=item $client->send_msg ($channel, $msg, $color, [extra...])	2913	=item $client->send_msg ($channel, $msg, $color, [extra...])
2490		2914
2491	Send a drawinfo or msg packet to the client, formatting the msg for the	2915	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2493	the message, with C<log> being the default. If C<$color> is negative, suppress	2917	the message, with C<log> being the default. If C<$color> is negative, suppress
2494	the message unless the client supports the msg packet.	2918	the message unless the client supports the msg packet.
2495		2919
2496	=cut	2920	=cut
2497		2921
		2922	# non-persistent channels (usually the info channel)
		2923	our %CHANNEL = (
		2924	"c/motd" => {
		2925	id => "infobox",
		2926	title => "MOTD",
		2927	reply => undef,
		2928	tooltip => "The message of the day",
		2929	},
		2930	"c/identify" => {
		2931	id => "infobox",
		2932	title => "Identify",
		2933	reply => undef,
		2934	tooltip => "Items recently identified",
		2935	},
		2936	"c/examine" => {
		2937	id => "infobox",
		2938	title => "Examine",
		2939	reply => undef,
		2940	tooltip => "Signs and other items you examined",
		2941	},
		2942	"c/shopinfo" => {
		2943	id => "infobox",
		2944	title => "Shop Info",
		2945	reply => undef,
		2946	tooltip => "What your bargaining skill tells you about the shop",
		2947	},
		2948	"c/book" => {
		2949	id => "infobox",
		2950	title => "Book",
		2951	reply => undef,
		2952	tooltip => "The contents of a note or book",
		2953	},
		2954	"c/lookat" => {
		2955	id => "infobox",
		2956	title => "Look",
		2957	reply => undef,
		2958	tooltip => "What you saw there",
		2959	},
		2960	"c/who" => {
		2961	id => "infobox",
		2962	title => "Players",
		2963	reply => undef,
		2964	tooltip => "Shows players who are currently online",
		2965	},
		2966	"c/body" => {
		2967	id => "infobox",
		2968	title => "Body Parts",
		2969	reply => undef,
		2970	tooltip => "Shows which body parts you posess and are available",
		2971	},
		2972	"c/statistics" => {
		2973	id => "infobox",
		2974	title => "Statistics",
		2975	reply => undef,
		2976	tooltip => "Shows your primary statistics",
		2977	},
		2978	"c/skills" => {
		2979	id => "infobox",
		2980	title => "Skills",
		2981	reply => undef,
		2982	tooltip => "Shows your experience per skill and item power",
		2983	},
		2984	"c/shopitems" => {
		2985	id => "infobox",
		2986	title => "Shop Items",
		2987	reply => undef,
		2988	tooltip => "Shows the items currently for sale in this shop",
		2989	},
		2990	"c/resistances" => {
		2991	id => "infobox",
		2992	title => "Resistances",
		2993	reply => undef,
		2994	tooltip => "Shows your resistances",
		2995	},
		2996	"c/pets" => {
		2997	id => "infobox",
		2998	title => "Pets",
		2999	reply => undef,
		3000	tooltip => "Shows information abotu your pets/a specific pet",
		3001	},
		3002	"c/perceiveself" => {
		3003	id => "infobox",
		3004	title => "Perceive Self",
		3005	reply => undef,
		3006	tooltip => "You gained detailed knowledge about yourself",
		3007	},
		3008	"c/uptime" => {
		3009	id => "infobox",
		3010	title => "Uptime",
		3011	reply => undef,
		3012	tooltip => "How long the server has been running since last restart",
		3013	},
		3014	"c/mapinfo" => {
		3015	id => "infobox",
		3016	title => "Map Info",
		3017	reply => undef,
		3018	tooltip => "Information related to the maps",
		3019	},
		3020	"c/party" => {
		3021	id => "party",
		3022	title => "Party",
		3023	reply => "gsay ",
		3024	tooltip => "Messages and chat related to your party",
		3025	},
		3026	"c/death" => {
		3027	id => "death",
		3028	title => "Death",
		3029	reply => undef,
		3030	tooltip => "Reason for and more info about your most recent death",
		3031	},
		3032	"c/say" => $SAY_CHANNEL,
		3033	"c/chat" => $CHAT_CHANNEL,
		3034	);
		3035
2498	sub cf::client::send_msg {	3036	sub cf::client::send_msg {
2499	my ($self, $channel, $msg, $color, @extra) = @_;	3037	my ($self, $channel, $msg, $color, @extra) = @_;
2500		3038
2501	$msg = $self->pl->expand_cfpod ($msg);	3039	$msg = $self->pl->expand_cfpod ($msg)
		3040	unless $color & cf::NDI_VERBATIM;
2502		3041
2503	$color &= cf::NDI_CLIENT_MASK; # just in case...	3042	$color &= cf::NDI_CLIENT_MASK; # just in case...
2504		3043
		3044	# check predefined channels, for the benefit of C
		3045	if ($CHANNEL{$channel}) {
		3046	$channel = $CHANNEL{$channel};
		3047
		3048	$self->ext_msg (channel_info => $channel);
		3049	$channel = $channel->{id};
		3050
2505	if (ref $channel) {	3051	} elsif (ref $channel) {
2506	# send meta info to client, if not yet sent	3052	# send meta info to client, if not yet sent
2507	unless (exists $self->{channel}{$channel->{id}}) {	3053	unless (exists $self->{channel}{$channel->{id}}) {
2508	$self->{channel}{$channel->{id}} = $channel;	3054	$self->{channel}{$channel->{id}} = $channel;
2509	$self->ext_msg (channel_info => $channel);	3055	$self->ext_msg (channel_info => $channel);
2510	}	3056	}
…		…
2512	$channel = $channel->{id};	3058	$channel = $channel->{id};
2513	}	3059	}
2514		3060
2515	return unless @extra || length $msg;	3061	return unless @extra || length $msg;
2516		3062
2517	if ($self->can_msg) {
2518	# default colour, mask it out	3063	# default colour, mask it out
2519	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3064	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2520	if $color & cf::NDI_DEF;	3065	if $color & cf::NDI_DEF;
2521		3066
2522	$self->send_packet ("msg " . $self->{json_coder}->encode (	3067	my $pkt = "msg "
		3068	. $self->{json_coder}->encode (
2523	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3069	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2524	} else {	3070	);
2525	if ($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		3071
2536	$color &= cf::NDI_COLOR_MASK;	3072	$self->send_big_packet ($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	}	3073	}
2550		3074
2551	=item $client->ext_msg ($type, @msg)	3075	=item $client->ext_msg ($type, @msg)
2552		3076
2553	Sends an ext event to the client.	3077	Sends an ext event to the client.
…		…
2555	=cut	3079	=cut
2556		3080
2557	sub cf::client::ext_msg($$@) {	3081	sub cf::client::ext_msg($$@) {
2558	my ($self, $type, @msg) = @_;	3082	my ($self, $type, @msg) = @_;
2559		3083
2560	my $extcmd = $self->extcmd;
2561
2562	if ($extcmd == 2) {	3084	if ($self->extcmd == 2) {
2563	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3085	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2564	} elsif ($extcmd == 1) { # TODO: remove	3086	} elsif ($self->extcmd == 1) { # TODO: remove
2565	push @msg, msgtype => "event_$type";	3087	push @msg, msgtype => "event_$type";
2566	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3088	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3089	}
		3090	}
		3091
		3092	=item $client->ext_reply ($msgid, @msg)
		3093
		3094	Sends an ext reply to the client.
		3095
		3096	=cut
		3097
		3098	sub cf::client::ext_reply($$@) {
		3099	my ($self, $id, @msg) = @_;
		3100
		3101	if ($self->extcmd == 2) {
		3102	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3103	} elsif ($self->extcmd == 1) {
		3104	#TODO: version 1, remove
		3105	unshift @msg, msgtype => "reply", msgid => $id;
		3106	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2567	}	3107	}
2568	}	3108	}
2569		3109
2570	=item $success = $client->query ($flags, "text", \&cb)	3110	=item $success = $client->query ($flags, "text", \&cb)
2571		3111
…		…
2632	my ($type, $reply, @payload) =	3172	my ($type, $reply, @payload) =
2633	"ARRAY" eq ref $msg	3173	"ARRAY" eq ref $msg
2634	? @$msg	3174	? @$msg
2635	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	3175	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2636		3176
		3177	my @reply;
		3178
2637	if (my $cb = $EXTICMD{$type}) {	3179	if (my $cb = $EXTICMD{$type}) {
2638	my @reply = $cb->($ns, @payload);	3180	@reply = $cb->($ns, @payload);
2639
2640	$ns->ext_reply ($reply, @reply)
2641	if $reply;
2642	}	3181	}
		3182
		3183	$ns->ext_reply ($reply, @reply)
		3184	if $reply;
		3185
2643	} else {	3186	} else {
2644	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3187	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2645	}	3188	}
2646		3189
2647	cf::override;	3190	cf::override;
2648	},	3191	},
2649	);	3192	);
…		…
2669		3212
2670	$coro	3213	$coro
2671	}	3214	}
2672		3215
2673	cf::client->attach (	3216	cf::client->attach (
2674	on_destroy => sub {	3217	on_client_destroy => sub {
2675	my ($ns) = @_;	3218	my ($ns) = @_;
2676		3219
2677	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3220	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2678	},	3221	},
2679	);	3222	);
…		…
2695	our $safe_hole = new Safe::Hole;	3238	our $safe_hole = new Safe::Hole;
2696		3239
2697	$SIG{FPE} = 'IGNORE';	3240	$SIG{FPE} = 'IGNORE';
2698		3241
2699	$safe->permit_only (Opcode::opset qw(	3242	$safe->permit_only (Opcode::opset qw(
2700	:base_core :base_mem :base_orig :base_math	3243	:base_core :base_mem :base_orig :base_math :base_loop
2701	grepstart grepwhile mapstart mapwhile	3244	grepstart grepwhile mapstart mapwhile
2702	sort time	3245	sort time
2703	));	3246	));
2704		3247
2705	# here we export the classes and methods available to script code	3248	# here we export the classes and methods available to script code
…		…
2707	=pod	3250	=pod
2708		3251
2709	The following functions and methods are available within a safe environment:	3252	The following functions and methods are available within a safe environment:
2710		3253
2711	cf::object	3254	cf::object
2712	contr pay_amount pay_player map x y force_find force_add	3255	contr pay_amount pay_player map x y force_find force_add destroy
2713	insert remove name archname title slaying race	3256	insert remove name archname title slaying race decrease split
		3257	value
2714		3258
2715	cf::object::player	3259	cf::object::player
2716	player	3260	player
2717		3261
2718	cf::player	3262	cf::player
…		…
2723		3267
2724	=cut	3268	=cut
2725		3269
2726	for (	3270	for (
2727	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3271	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2728	insert remove inv name archname title slaying race)],	3272	insert remove inv nrof name archname title slaying race
		3273	decrease split destroy change_exp value msg lore send_msg)],
2729	["cf::object::player" => qw(player)],	3274	["cf::object::player" => qw(player)],
2730	["cf::player" => qw(peaceful)],	3275	["cf::player" => qw(peaceful send_msg)],
2731	["cf::map" => qw(trigger)],	3276	["cf::map" => qw(trigger)],
2732	) {	3277	) {
2733	no strict 'refs';	3278	no strict 'refs';
2734	my ($pkg, @funs) = @$_;	3279	my ($pkg, @funs) = @$_;
2735	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3280	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2753		3298
2754	my $qcode = $code;	3299	my $qcode = $code;
2755	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3300	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2756	$qcode =~ s/\n/\\n/g;	3301	$qcode =~ s/\n/\\n/g;
2757		3302
		3303	%vars = (_dummy => 0) unless %vars;
		3304
		3305	my @res;
2758	local $_;	3306	local $_;
2759	local @safe::cf::_safe_eval_args = values %vars;
2760		3307
2761	my $eval =	3308	my $eval =
2762	"do {\n"	3309	"do {\n"
2763	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3310	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2764	. "#line 0 \"{$qcode}\"\n"	3311	. "#line 0 \"{$qcode}\"\n"
2765	. $code	3312	. $code
2766	. "\n}"	3313	. "\n}"
2767	;	3314	;
2768		3315
		3316	if ($CFG{safe_eval}) {
2769	sub_generation_inc;	3317	sub_generation_inc;
		3318	local @safe::cf::_safe_eval_args = values %vars;
2770	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3319	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2771	sub_generation_inc;	3320	sub_generation_inc;
		3321	} else {
		3322	local @cf::_safe_eval_args = values %vars;
		3323	@res = wantarray ? eval eval : scalar eval $eval;
		3324	}
2772		3325
2773	if ($@) {	3326	if ($@) {
2774	warn "$@";	3327	warn "$@",
2775	warn "while executing safe code '$code'\n";	3328	"while executing safe code '$code'\n",
2776	warn "with arguments " . (join " ", %vars) . "\n";	3329	"with arguments " . (join " ", %vars) . "\n";
2777	}	3330	}
2778		3331
2779	wantarray ? @res : $res[0]	3332	wantarray ? @res : $res[0]
2780	}	3333	}
2781		3334
…		…
2795	=cut	3348	=cut
2796		3349
2797	sub register_script_function {	3350	sub register_script_function {
2798	my ($fun, $cb) = @_;	3351	my ($fun, $cb) = @_;
2799		3352
2800	no strict 'refs';	3353	$fun = "safe::$fun" if $CFG{safe_eval};
2801	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3354	*$fun = $safe_hole->wrap ($cb);
2802	}	3355	}
2803		3356
2804	=back	3357	=back
2805		3358
2806	=cut	3359	=cut
…		…
2809	# the server's init and main functions	3362	# the server's init and main functions
2810		3363
2811	sub load_facedata($) {	3364	sub load_facedata($) {
2812	my ($path) = @_;	3365	my ($path) = @_;
2813		3366
		3367	# HACK to clear player env face cache, we need some signal framework
		3368	# for this (global event?)
		3369	%ext::player_env::MUSIC_FACE_CACHE = ();
		3370
		3371	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3372
2814	warn "loading facedata from $path\n";	3373	trace "loading facedata from $path\n";
2815		3374
2816	my $facedata;	3375	my $facedata;
2817	0 < aio_load $path, $facedata	3376	0 < aio_load $path, $facedata
2818	or die "$path: $!";	3377	or die "$path: $!";
2819		3378
2820	$facedata = Coro::Storable::thaw $facedata;	3379	$facedata = Coro::Storable::thaw $facedata;
2821		3380
2822	$facedata->{version} == 2	3381	$facedata->{version} == 2
2823	or cf::cleanup "$path: version mismatch, cannot proceed.";	3382	or cf::cleanup "$path: version mismatch, cannot proceed.";
2824		3383
		3384	# patch in the exptable
		3385	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3386	$facedata->{resource}{"res/exp_table"} = {
		3387	type => FT_RSRC,
		3388	data => $exp_table,
		3389	hash => (Digest::MD5::md5 $exp_table),
		3390	};
		3391	cf::cede_to_tick;
		3392
2825	{	3393	{
2826	my $faces = $facedata->{faceinfo};	3394	my $faces = $facedata->{faceinfo};
2827		3395
2828	while (my ($face, $info) = each %$faces) {	3396	while (my ($face, $info) = each %$faces) {
2829	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3397	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3398
2830	cf::face::set_visibility $idx, $info->{visibility};	3399	cf::face::set_visibility $idx, $info->{visibility};
2831	cf::face::set_magicmap $idx, $info->{magicmap};	3400	cf::face::set_magicmap $idx, $info->{magicmap};
2832	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3401	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2833	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3402	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2834		3403
2835	cf::cede_to_tick;	3404	cf::cede_to_tick;
2836	}	3405	}
2837		3406
2838	while (my ($face, $info) = each %$faces) {	3407	while (my ($face, $info) = each %$faces) {
2839	next unless $info->{smooth};	3408	next unless $info->{smooth};
		3409
2840	my $idx = cf::face::find $face	3410	my $idx = cf::face::find $face
2841	or next;	3411	or next;
		3412
2842	if (my $smooth = cf::face::find $info->{smooth}) {	3413	if (my $smooth = cf::face::find $info->{smooth}) {
2843	cf::face::set_smooth $idx, $smooth;	3414	cf::face::set_smooth $idx, $smooth;
2844	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3415	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2845	} else {	3416	} else {
2846	warn "smooth face '$info->{smooth}' not found for face '$face'";	3417	error "smooth face '$info->{smooth}' not found for face '$face'";
2847	}	3418	}
2848		3419
2849	cf::cede_to_tick;	3420	cf::cede_to_tick;
2850	}	3421	}
2851	}	3422	}
…		…
2860		3431
2861	cf::anim::invalidate_all; # d'oh	3432	cf::anim::invalidate_all; # d'oh
2862	}	3433	}
2863		3434
2864	{	3435	{
2865	# TODO: for gcfclient pleasure, we should give resources
2866	# that gcfclient doesn't grok a >10000 face index.
2867	my $res = $facedata->{resource};	3436	my $res = $facedata->{resource};
2868	my $enc = JSON::XS->new->utf8->canonical;
2869
2870	my $soundconf = delete $res->{"res/sound.conf"};
2871		3437
2872	while (my ($name, $info) = each %$res) {	3438	while (my ($name, $info) = each %$res) {
2873	my $meta = $enc->encode ({	3439	if (defined $info->{type}) {
2874	name => $name,
2875	%{ $info->{meta} || {} },
2876	});
2877
2878	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3440	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2879		3441
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;	3442	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3443	cf::face::set_type $idx, $info->{type};
2887	} else {	3444	} else {
2888	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};	3445	$RESOURCE{$name} = $info; # unused
2889	}	3446	}
2890		3447
2891	cf::face::set_type $idx, $info->{type};
2892
2893	cf::cede_to_tick;	3448	cf::cede_to_tick;
2894	}	3449	}
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	}	3450	}
		3451
		3452	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2914		3453
2915	1	3454	1
2916	}	3455	}
2917		3456
2918	register_exticmd fx_want => sub {	3457	register_exticmd fx_want => sub {
…		…
2921	while (my ($k, $v) = each %$want) {	3460	while (my ($k, $v) = each %$want) {
2922	$ns->fx_want ($k, $v);	3461	$ns->fx_want ($k, $v);
2923	}	3462	}
2924	};	3463	};
2925		3464
		3465	sub load_resource_file($) {
		3466	my $guard = lock_acquire "load_resource_file";
		3467
		3468	my $status = load_resource_file_ $_[0];
		3469	get_slot 0.1, 100;
		3470	cf::arch::commit_load;
		3471
		3472	$status
		3473	}
		3474
2926	sub reload_regions {	3475	sub reload_regions {
		3476	# HACK to clear player env face cache, we need some signal framework
		3477	# for this (global event?)
		3478	%ext::player_env::MUSIC_FACE_CACHE = ();
		3479
2927	load_resource_file "$MAPDIR/regions"	3480	load_resource_file "$MAPDIR/regions"
2928	or die "unable to load regions file\n";	3481	or die "unable to load regions file\n";
2929		3482
2930	for (cf::region::list) {	3483	for (cf::region::list) {
2931	$_->{match} = qr/$_->{match}/	3484	$_->{match} = qr/$_->{match}/
…		…
2939	}	3492	}
2940		3493
2941	sub reload_archetypes {	3494	sub reload_archetypes {
2942	load_resource_file "$DATADIR/archetypes"	3495	load_resource_file "$DATADIR/archetypes"
2943	or die "unable to load archetypes\n";	3496	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	}	3497	}
2950		3498
2951	sub reload_treasures {	3499	sub reload_treasures {
2952	load_resource_file "$DATADIR/treasures"	3500	load_resource_file "$DATADIR/treasures"
2953	or die "unable to load treasurelists\n";	3501	or die "unable to load treasurelists\n";
2954	}	3502	}
2955		3503
		3504	sub reload_sound {
		3505	trace "loading sound config from $DATADIR/sound\n";
		3506
		3507	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3508	or die "$DATADIR/sound $!";
		3509
		3510	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3511
		3512	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3513	my $sound = $soundconf->{compat}[$_]
		3514	or next;
		3515
		3516	my $face = cf::face::find "sound/$sound->[1]";
		3517	cf::sound::set $sound->[0] => $face;
		3518	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3519	}
		3520
		3521	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3522	my $face = cf::face::find "sound/$v";
		3523	cf::sound::set $k => $face;
		3524	}
		3525	}
		3526
2956	sub reload_resources {	3527	sub reload_resources {
2957	warn "reloading resource files...\n";	3528	trace "reloading resource files...\n";
2958		3529
		3530	reload_facedata;
		3531	reload_sound;
		3532	reload_archetypes;
2959	reload_regions;	3533	reload_regions;
2960	reload_facedata;
2961	#reload_archetypes;#d#
2962	reload_archetypes;
2963	reload_treasures;	3534	reload_treasures;
2964		3535
2965	warn "finished reloading resource files\n";	3536	trace "finished reloading resource files\n";
2966	}	3537	}
2967		3538
2968	sub init {	3539	sub reload_config {
2969	reload_resources;	3540	trace "reloading config file...\n";
2970	}
2971		3541
2972	sub cfg_load {
2973	open my $fh, "<:utf8", "$CONFDIR/config"	3542	open my $fh, "<:utf8", "$CONFDIR/config"
2974	or return;	3543	or return;
2975		3544
2976	local $/;	3545	local $/;
2977	*CFG = YAML::Syck::Load <$fh>;	3546	*CFG = YAML::XS::Load scalar <$fh>;
2978		3547
2979	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3548	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2980		3549
2981	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3550	$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};	3551	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2983		3552
2984	if (exists $CFG{mlockall}) {	3553	if (exists $CFG{mlockall}) {
…		…
2986	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3555	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2987	and die "WARNING: m(un)lockall failed: $!\n";	3556	and die "WARNING: m(un)lockall failed: $!\n";
2988	};	3557	};
2989	warn $@ if $@;	3558	warn $@ if $@;
2990	}	3559	}
		3560
		3561	trace "finished reloading resource files\n";
		3562	}
		3563
		3564	sub pidfile() {
		3565	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3566	or die "$PIDFILE: $!";
		3567	flock $fh, &Fcntl::LOCK_EX
		3568	or die "$PIDFILE: flock: $!";
		3569	$fh
		3570	}
		3571
		3572	# make sure only one server instance is running at any one time
		3573	sub atomic {
		3574	my $fh = pidfile;
		3575
		3576	my $pid = <$fh>;
		3577	kill 9, $pid if $pid > 0;
		3578
		3579	seek $fh, 0, 0;
		3580	print $fh $$;
		3581	}
		3582
		3583	sub main_loop {
		3584	trace "EV::loop starting\n";
		3585	if (1) {
		3586	EV::loop;
		3587	}
		3588	trace "EV::loop returned\n";
		3589	goto &main_loop unless $REALLY_UNLOOP;
2991	}	3590	}
2992		3591
2993	sub main {	3592	sub main {
		3593	cf::init_globals; # initialise logging
		3594
		3595	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3596	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3597	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3598	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3599
		3600	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3601
2994	# we must not ever block the main coroutine	3602	# we must not ever block the main coroutine
2995	local $Coro::idle = sub {	3603	local $Coro::idle = sub {
2996	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3604	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2997	(async {	3605	(async {
2998	Event::one_event;	3606	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3607	EV::loop EV::LOOP_ONESHOT;
2999	})->prio (Coro::PRIO_MAX);	3608	})->prio (Coro::PRIO_MAX);
3000	};	3609	};
3001		3610
3002	cfg_load;	3611	evthread_start IO::AIO::poll_fileno;
		3612
		3613	cf::sync_job {
		3614	cf::init_experience;
		3615	cf::init_anim;
		3616	cf::init_attackmess;
		3617	cf::init_dynamic;
		3618
		3619	cf::load_settings;
		3620	cf::load_materials;
		3621
		3622	reload_resources;
		3623	reload_config;
3003	db_init;	3624	db_init;
		3625
		3626	cf::init_uuid;
		3627	cf::init_signals;
		3628	cf::init_skills;
		3629
		3630	cf::init_beforeplay;
		3631
		3632	atomic;
		3633
3004	load_extensions;	3634	load_extensions;
3005		3635
3006	$TICK_WATCHER->start;	3636	utime time, time, $RUNTIMEFILE;
3007	Event::loop;	3637
		3638	# no (long-running) fork's whatsoever before this point(!)
		3639	use POSIX ();
		3640	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3641
		3642	(pop @POST_INIT)->(0) while @POST_INIT;
		3643	};
		3644
		3645	cf::object::thawer::errors_are_fatal 0;
		3646	info "parse errors in files are no longer fatal from this point on.\n";
		3647
		3648	main_loop;
3008	}	3649	}
3009		3650
3010	#############################################################################	3651	#############################################################################
3011	# initialisation and cleanup	3652	# initialisation and cleanup
3012		3653
3013	# install some emergency cleanup handlers	3654	# install some emergency cleanup handlers
3014	BEGIN {	3655	BEGIN {
		3656	our %SIGWATCHER = ();
3015	for my $signal (qw(INT HUP TERM)) {	3657	for my $signal (qw(INT HUP TERM)) {
3016	Event->signal (	3658	$SIGWATCHER{$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";	3659	cf::cleanup "SIG$signal";
3023	},
3024	);	3660	};
3025	}	3661	}
3026	}	3662	}
3027		3663
3028	sub write_runtime {	3664	sub write_runtime_sync {
3029	my $runtime = "$LOCALDIR/runtime";	3665	my $t0 = AE::time;
3030		3666
3031	# first touch the runtime file to show we are still running:	3667	# first touch the runtime file to show we are still running:
3032	# the fsync below can take a very very long time.	3668	# the fsync below can take a very very long time.
3033		3669
3034	IO::AIO::aio_utime $runtime, undef, undef;	3670	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3035		3671
3036	my $guard = cf::lock_acquire "write_runtime";	3672	my $guard = cf::lock_acquire "write_runtime";
3037		3673
3038	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3674	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3039	or return;	3675	or return;
3040		3676
3041	my $value = $cf::RUNTIME + 90 + 10;	3677	my $value = $cf::RUNTIME + 90 + 10;
3042	# 10 is the runtime save interval, for a monotonic clock	3678	# 10 is the runtime save interval, for a monotonic clock
3043	# 60 allows for the watchdog to kill the server.	3679	# 60 allows for the watchdog to kill the server.
…		…
3053	aio_utime $fh, undef, undef;	3689	aio_utime $fh, undef, undef;
3054		3690
3055	close $fh	3691	close $fh
3056	or return;	3692	or return;
3057		3693
3058	aio_rename "$runtime~", $runtime	3694	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3059	and return;	3695	and return;
3060		3696
3061	warn "runtime file written.\n";	3697	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3062		3698
3063	1	3699	1
		3700	}
		3701
		3702	our $uuid_lock;
		3703	our $uuid_skip;
		3704
		3705	sub write_uuid_sync($) {
		3706	$uuid_skip ||= $_[0];
		3707
		3708	return if $uuid_lock;
		3709	local $uuid_lock = 1;
		3710
		3711	my $uuid = "$LOCALDIR/uuid";
		3712
		3713	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3714	or return;
		3715
		3716	my $value = uuid_seq uuid_cur;
		3717
		3718	unless ($value) {
		3719	info "cowardly refusing to write zero uuid value!\n";
		3720	return;
		3721	}
		3722
		3723	my $value = uuid_str $value + $uuid_skip;
		3724	$uuid_skip = 0;
		3725
		3726	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3727	and return;
		3728
		3729	# always fsync - this file is important
		3730	aio_fsync $fh
		3731	and return;
		3732
		3733	close $fh
		3734	or return;
		3735
		3736	aio_rename "$uuid~", $uuid
		3737	and return;
		3738
		3739	trace "uuid file written ($value).\n";
		3740
		3741	1
		3742
		3743	}
		3744
		3745	sub write_uuid($$) {
		3746	my ($skip, $sync) = @_;
		3747
		3748	$sync ? write_uuid_sync $skip
		3749	: async { write_uuid_sync $skip };
3064	}	3750	}
3065		3751
3066	sub emergency_save() {	3752	sub emergency_save() {
3067	my $freeze_guard = cf::freeze_mainloop;	3753	my $freeze_guard = cf::freeze_mainloop;
3068		3754
3069	warn "enter emergency perl save\n";	3755	info "emergency_perl_save: enter\n";
		3756
		3757	# this is a trade-off: we want to be very quick here, so
		3758	# save all maps without fsync, and later call a global sync
		3759	# (which in turn might be very very slow)
		3760	local $USE_FSYNC = 0;
3070		3761
3071	cf::sync_job {	3762	cf::sync_job {
		3763	cf::write_runtime_sync; # external watchdog should not bark
		3764
3072	# use a peculiar iteration method to avoid tripping on perl	3765	# use a peculiar iteration method to avoid tripping on perl
3073	# refcount bugs in for. also avoids problems with players	3766	# refcount bugs in for. also avoids problems with players
3074	# and maps saved/destroyed asynchronously.	3767	# and maps saved/destroyed asynchronously.
3075	warn "begin emergency player save\n";	3768	info "emergency_perl_save: begin player save\n";
3076	for my $login (keys %cf::PLAYER) {	3769	for my $login (keys %cf::PLAYER) {
3077	my $pl = $cf::PLAYER{$login} or next;	3770	my $pl = $cf::PLAYER{$login} or next;
3078	$pl->valid or next;	3771	$pl->valid or next;
		3772	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3079	$pl->save;	3773	$pl->save;
3080	}	3774	}
3081	warn "end emergency player save\n";	3775	info "emergency_perl_save: end player save\n";
3082		3776
3083	warn "begin emergency map save\n";	3777	cf::write_runtime_sync; # external watchdog should not bark
		3778
		3779	info "emergency_perl_save: begin map save\n";
3084	for my $path (keys %cf::MAP) {	3780	for my $path (keys %cf::MAP) {
3085	my $map = $cf::MAP{$path} or next;	3781	my $map = $cf::MAP{$path} or next;
3086	$map->valid or next;	3782	$map->valid or next;
3087	$map->save;	3783	$map->save;
3088	}	3784	}
3089	warn "end emergency map save\n";	3785	info "emergency_perl_save: end map save\n";
3090		3786
3091	warn "begin emergency database checkpoint\n";	3787	cf::write_runtime_sync; # external watchdog should not bark
		3788
		3789	info "emergency_perl_save: begin database checkpoint\n";
3092	BDB::db_env_txn_checkpoint $DB_ENV;	3790	BDB::db_env_txn_checkpoint $DB_ENV;
3093	warn "end emergency database checkpoint\n";	3791	info "emergency_perl_save: end database checkpoint\n";
		3792
		3793	info "emergency_perl_save: begin write uuid\n";
		3794	write_uuid_sync 1;
		3795	info "emergency_perl_save: end write uuid\n";
		3796
		3797	cf::write_runtime_sync; # external watchdog should not bark
		3798
		3799	trace "emergency_perl_save: syncing database to disk";
		3800	BDB::db_env_txn_checkpoint $DB_ENV;
		3801
		3802	info "emergency_perl_save: starting sync\n";
		3803	IO::AIO::aio_sync sub {
		3804	info "emergency_perl_save: finished sync\n";
		3805	};
		3806
		3807	cf::write_runtime_sync; # external watchdog should not bark
		3808
		3809	trace "emergency_perl_save: flushing outstanding aio requests";
		3810	while (IO::AIO::nreqs || BDB::nreqs) {
		3811	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3812	}
		3813
		3814	cf::write_runtime_sync; # external watchdog should not bark
3094	};	3815	};
3095		3816
3096	warn "leave emergency perl save\n";	3817	info "emergency_perl_save: leave\n";
3097	}	3818	}
3098		3819
3099	sub post_cleanup {	3820	sub post_cleanup {
3100	my ($make_core) = @_;	3821	my ($make_core) = @_;
3101		3822
		3823	IO::AIO::flush;
		3824
3102	warn Carp::longmess "post_cleanup backtrace"	3825	error Carp::longmess "post_cleanup backtrace"
3103	if $make_core;	3826	if $make_core;
		3827
		3828	my $fh = pidfile;
		3829	unlink $PIDFILE if <$fh> == $$;
		3830	}
		3831
		3832	# a safer delete_package, copied from Symbol
		3833	sub clear_package($) {
		3834	my $pkg = shift;
		3835
		3836	# expand to full symbol table name if needed
		3837	unless ($pkg =~ /^main::.*::$/) {
		3838	$pkg = "main$pkg" if $pkg =~ /^::/;
		3839	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3840	$pkg .= '::' unless $pkg =~ /::$/;
		3841	}
		3842
		3843	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3844	my $stem_symtab = *{$stem}{HASH};
		3845
		3846	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3847	or return;
		3848
		3849	# clear all symbols
		3850	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3851	for my $name (keys %$leaf_symtab) {
		3852	_gv_clear *{"$pkg$name"};
		3853	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3854	}
3104	}	3855	}
3105		3856
3106	sub do_reload_perl() {	3857	sub do_reload_perl() {
3107	# can/must only be called in main	3858	# can/must only be called in main
3108	if ($Coro::current != $Coro::main) {	3859	if (in_main) {
3109	warn "can only reload from main coroutine";	3860	error "can only reload from main coroutine";
3110	return;	3861	return;
3111	}	3862	}
3112		3863
		3864	return if $RELOAD++;
		3865
		3866	my $t1 = AE::time;
		3867
		3868	while ($RELOAD) {
3113	warn "reloading...";	3869	info "reloading...";
3114		3870
3115	warn "entering sync_job";	3871	trace "entering sync_job";
3116		3872
3117	cf::sync_job {	3873	cf::sync_job {
3118	cf::write_runtime; # external watchdog should not bark
3119	cf::emergency_save;	3874	cf::emergency_save;
3120	cf::write_runtime; # external watchdog should not bark
3121		3875
3122	warn "syncing database to disk";
3123	BDB::db_env_txn_checkpoint $DB_ENV;
3124
3125	# if anything goes wrong in here, we should simply crash as we already saved
3126
3127	warn "cancelling all WF_AUTOCANCEL watchers";
3128	for (Event::all_watchers) {
3129	$_->cancel if $_->data & WF_AUTOCANCEL;
3130	}
3131
3132	warn "flushing outstanding aio requests";
3133	for (;;) {
3134	BDB::flush;
3135	IO::AIO::flush;
3136	Coro::cede;
3137	last unless IO::AIO::nreqs || BDB::nreqs;
3138	warn "iterate...";
3139	}
3140
3141	++$RELOAD;
3142
3143	warn "cancelling all extension coros";	3876	trace "cancelling all extension coros";
3144	$_->cancel for values %EXT_CORO;	3877	$_->cancel for values %EXT_CORO;
3145	%EXT_CORO = ();	3878	%EXT_CORO = ();
3146		3879
3147	warn "removing commands";	3880	trace "removing commands";
3148	%COMMAND = ();	3881	%COMMAND = ();
3149		3882
3150	warn "removing ext/exti commands";	3883	trace "removing ext/exti commands";
3151	%EXTCMD = ();	3884	%EXTCMD = ();
3152	%EXTICMD = ();	3885	%EXTICMD = ();
3153		3886
3154	warn "unloading/nuking all extensions";	3887	trace "unloading/nuking all extensions";
3155	for my $pkg (@EXTS) {	3888	for my $pkg (@EXTS) {
3156	warn "... unloading $pkg";	3889	trace "... unloading $pkg";
3157		3890
3158	if (my $cb = $pkg->can ("unload")) {	3891	if (my $cb = $pkg->can ("unload")) {
3159	eval {	3892	eval {
3160	$cb->($pkg);	3893	$cb->($pkg);
3161	1	3894	1
3162	} or warn "$pkg unloaded, but with errors: $@";	3895	} or error "$pkg unloaded, but with errors: $@";
		3896	}
		3897
		3898	trace "... clearing $pkg";
		3899	clear_package $pkg;
3163	}	3900	}
3164		3901
3165	warn "... nuking $pkg";
3166	Symbol::delete_package $pkg;
3167	}
3168
3169	warn "unloading all perl modules loaded from $LIBDIR";	3902	trace "unloading all perl modules loaded from $LIBDIR";
3170	while (my ($k, $v) = each %INC) {	3903	while (my ($k, $v) = each %INC) {
3171	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3904	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3172		3905
3173	warn "... unloading $k";	3906	trace "... unloading $k";
3174	delete $INC{$k};	3907	delete $INC{$k};
3175		3908
3176	$k =~ s/\.pm$//;	3909	$k =~ s/\.pm$//;
3177	$k =~ s/\//::/g;	3910	$k =~ s/\//::/g;
3178		3911
3179	if (my $cb = $k->can ("unload_module")) {	3912	if (my $cb = $k->can ("unload_module")) {
3180	$cb->();	3913	$cb->();
		3914	}
		3915
		3916	clear_package $k;
3181	}	3917	}
3182		3918
3183	Symbol::delete_package $k;
3184	}
3185
3186	warn "getting rid of safe::, as good as possible";	3919	trace "getting rid of safe::, as good as possible";
3187	Symbol::delete_package "safe::$_"	3920	clear_package "safe::$_"
3188	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3921	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3189		3922
3190	warn "unloading cf.pm \"a bit\"";	3923	trace "unloading cf.pm \"a bit\"";
3191	delete $INC{"cf.pm"};	3924	delete $INC{"cf.pm"};
3192	delete $INC{"cf/pod.pm"};	3925	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3193		3926
3194	# don't, removes xs symbols, too,	3927	# don't, removes xs symbols, too,
3195	# and global variables created in xs	3928	# and global variables created in xs
3196	#Symbol::delete_package __PACKAGE__;	3929	#clear_package __PACKAGE__;
3197		3930
3198	warn "unload completed, starting to reload now";	3931	info "unload completed, starting to reload now";
3199		3932
3200	warn "reloading cf.pm";	3933	trace "reloading cf.pm";
3201	require cf;	3934	require cf;
3202	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3935	cf::_connect_to_perl_1;
3203		3936
3204	warn "loading config and database again";	3937	trace "loading config and database again";
3205	cf::cfg_load;	3938	cf::reload_config;
3206		3939
3207	warn "loading extensions";	3940	trace "loading extensions";
3208	cf::load_extensions;	3941	cf::load_extensions;
3209		3942
		3943	if ($REATTACH_ON_RELOAD) {
3210	warn "reattaching attachments to objects/players";	3944	trace "reattaching attachments to objects/players";
3211	_global_reattach; # objects, sockets	3945	_global_reattach; # objects, sockets
3212	warn "reattaching attachments to maps";	3946	trace "reattaching attachments to maps";
3213	reattach $_ for values %MAP;	3947	reattach $_ for values %MAP;
3214	warn "reattaching attachments to players";	3948	trace "reattaching attachments to players";
3215	reattach $_ for values %PLAYER;	3949	reattach $_ for values %PLAYER;
		3950	}
3216		3951
		3952	trace "running post_init jobs";
		3953	(pop @POST_INIT)->(1) while @POST_INIT;
		3954
3217	warn "leaving sync_job";	3955	trace "leaving sync_job";
3218		3956
3219	1	3957	1
3220	} or do {	3958	} or do {
3221	warn $@;	3959	error $@;
3222	warn "error while reloading, exiting.";	3960	cf::cleanup "error while reloading, exiting.";
3223	exit 1;	3961	};
		3962
		3963	info "reloaded";
		3964	--$RELOAD;
3224	};	3965	}
3225		3966
3226	warn "reloaded";	3967	$t1 = AE::time - $t1;
		3968	info "reload completed in ${t1}s\n";
3227	};	3969	};
3228		3970
3229	our $RELOAD_WATCHER; # used only during reload	3971	our $RELOAD_WATCHER; # used only during reload
3230		3972
3231	sub reload_perl() {	3973	sub reload_perl() {
3232	# doing reload synchronously and two reloads happen back-to-back,	3974	# doing reload synchronously and two reloads happen back-to-back,
3233	# coro crashes during coro_state_free->destroy here.	3975	# coro crashes during coro_state_free->destroy here.
3234		3976
3235	$RELOAD_WATCHER ||= Event->timer (	3977	$RELOAD_WATCHER ||= cf::async {
3236	reentrant => 0,	3978	Coro::AIO::aio_wait cache_extensions;
3237	after => 0,	3979
3238	data => WF_AUTOCANCEL,	3980	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3239	cb => sub {
3240	do_reload_perl;	3981	do_reload_perl;
3241	undef $RELOAD_WATCHER;	3982	undef $RELOAD_WATCHER;
3242	},	3983	};
3243	);	3984	};
3244	}	3985	}
3245		3986
3246	register_command "reload" => sub {	3987	register_command "reload" => sub {
3247	my ($who, $arg) = @_;	3988	my ($who, $arg) = @_;
3248		3989
3249	if ($who->flag (FLAG_WIZ)) {	3990	if ($who->flag (FLAG_WIZ)) {
3250	$who->message ("reloading server.");	3991	$who->message ("reloading server.");
		3992	async {
		3993	$Coro::current->{desc} = "perl_reload";
3251	async { reload_perl };	3994	reload_perl;
		3995	};
3252	}	3996	}
3253	};	3997	};
3254		3998
3255	unshift @INC, $LIBDIR;	3999	unshift @INC, $LIBDIR;
3256		4000
…		…
3258		4002
3259	our @WAIT_FOR_TICK;	4003	our @WAIT_FOR_TICK;
3260	our @WAIT_FOR_TICK_BEGIN;	4004	our @WAIT_FOR_TICK_BEGIN;
3261		4005
3262	sub wait_for_tick {	4006	sub wait_for_tick {
3263	return unless $TICK_WATCHER->is_active;
3264	return if $Coro::current == $Coro::main;	4007	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3265		4008
3266	my $signal = new Coro::Signal;	4009	my $signal = new Coro::Signal;
3267	push @WAIT_FOR_TICK, $signal;	4010	push @WAIT_FOR_TICK, $signal;
3268	$signal->wait;	4011	$signal->wait;
3269	}	4012	}
3270		4013
3271	sub wait_for_tick_begin {	4014	sub wait_for_tick_begin {
3272	return unless $TICK_WATCHER->is_active;
3273	return if $Coro::current == $Coro::main;	4015	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3274		4016
3275	my $signal = new Coro::Signal;	4017	my $signal = new Coro::Signal;
3276	push @WAIT_FOR_TICK_BEGIN, $signal;	4018	push @WAIT_FOR_TICK_BEGIN, $signal;
3277	$signal->wait;	4019	$signal->wait;
3278	}	4020	}
3279		4021
3280	my $min = 1e6;#d#	4022	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 != $Coro::main) {	4023	if ($Coro::current != $Coro::main) {
3290	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4024	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3291	unless ++$bug_warning > 10;	4025	unless ++$bug_warning > 10;
3292	return;	4026	return;
3293	}	4027	}
3294		4028
3295	$NOW = $tick_start = Event::time;
3296
3297	cf::server_tick; # one server iteration	4029	cf::server_tick; # one server iteration
3298		4030
3299	0 && sync_job {#d#	4031	#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		4032
3305	$map->width (50);	4033	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3306	$map->height (50);	4034	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3307	$map->alloc;	4035	Coro::async_pool {
3308	$map->_load_objects ("/tmp/x.map", 1);	4036	$Coro::current->{desc} = "runtime saver";
3309	my $t = Event::time - $t;	4037	write_runtime_sync
3310		4038	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	};	4039	};
		4040	}
3321		4041
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) {	4042	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3337	$sig->send;	4043	$sig->send;
3338	}	4044	}
3339	while (my $sig = shift @WAIT_FOR_TICK) {	4045	while (my $sig = shift @WAIT_FOR_TICK) {
3340	$sig->send;	4046	$sig->send;
3341	}	4047	}
3342		4048
3343	$NOW = Event::time;	4049	$LOAD = ($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;	4050	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3353		4051
3354	_post_tick;	4052	if (0) {
3355		4053	if ($NEXT_TICK) {
3356		4054	my $jitter = $TICK_START - $NEXT_TICK;
		4055	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4056	debug "jitter $JITTER\n";#d#
		4057	}
3357	},	4058	}
3358	);	4059	}
3359		4060
3360	{	4061	{
3361	BDB::max_poll_time $TICK * 0.1;	4062	# configure BDB
3362	$BDB_POLL_WATCHER = Event->io (	4063
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;	4064	BDB::min_parallel 16;
3371		4065	BDB::max_poll_reqs $TICK * 0.1;
3372	BDB::set_sync_prepare {	4066	$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	$! = $status;
3383	},
3384	)
3385	};
3386		4067
3387	unless ($DB_ENV) {	4068	unless ($DB_ENV) {
3388	$DB_ENV = BDB::db_env_create;	4069	$DB_ENV = BDB::db_env_create;
		4070	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4071	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4072	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4073	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4074	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3389		4075
3390	cf::sync_job {	4076	cf::sync_job {
3391	eval {	4077	eval {
3392	BDB::db_env_open	4078	BDB::db_env_open
3393	$DB_ENV,	4079	$DB_ENV,
…		…
3395	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4081	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3396	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4082	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3397	0666;	4083	0666;
3398		4084
3399	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4085	cf::cleanup "db_env_open($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	};	4086	};
3404		4087
3405	cf::cleanup "db_env_open(db): $@" if $@;	4088	cf::cleanup "db_env_open(db): $@" if $@;
3406	};	4089	};
3407	}	4090	}
		4091
		4092	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4093	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4094	};
		4095	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4096	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4097	};
		4098	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4099	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4100	};
3408	}	4101	}
3409		4102
3410	{	4103	{
		4104	# configure IO::AIO
		4105
3411	IO::AIO::min_parallel 8;	4106	IO::AIO::min_parallel 8;
3412
3413	undef $Coro::AIO::WATCHER;
3414	IO::AIO::max_poll_time $TICK * 0.1;	4107	IO::AIO::max_poll_time $TICK * 0.1;
3415	$AIO_POLL_WATCHER = Event->io (	4108	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	}	4109	}
3424		4110
3425	my $_log_backtrace;	4111	my $_log_backtrace;
3426		4112
3427	sub _log_backtrace {	4113	sub _log_backtrace {
…		…
3430	$msg =~ s/\n//;	4116	$msg =~ s/\n//;
3431		4117
3432	# limit the # of concurrent backtraces	4118	# limit the # of concurrent backtraces
3433	if ($_log_backtrace < 2) {	4119	if ($_log_backtrace < 2) {
3434	++$_log_backtrace;	4120	++$_log_backtrace;
		4121	my $perl_bt = Carp::longmess $msg;
3435	async {	4122	async {
		4123	$Coro::current->{desc} = "abt $msg";
		4124
3436	my @bt = fork_call {	4125	my @bt = fork_call {
3437	@addr = map { sprintf "%x", $_ } @addr;	4126	@addr = map { sprintf "%x", $_ } @addr;
3438	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4127	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3439	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4128	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3440	or die "addr2line: $!";	4129	or die "addr2line: $!";
…		…
3448	}	4137	}
3449		4138
3450	@funcs	4139	@funcs
3451	};	4140	};
3452		4141
3453	LOG llevInfo, "[ABT] $msg\n";	4142	LOG llevInfo, "[ABT] $perl_bt\n";
		4143	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3454	LOG llevInfo, "[ABT] $_\n" for @bt;	4144	LOG llevInfo, "[ABT] $_\n" for @bt;
3455	--$_log_backtrace;	4145	--$_log_backtrace;
3456	};	4146	};
3457	} else {	4147	} else {
3458	LOG llevInfo, "[ABT] $msg\n";	4148	LOG llevInfo, "[ABT] $msg\n";
3459	LOG llevInfo, "[ABT] [suppressed]\n";	4149	LOG llevInfo, "[ABT] [suppressed]\n";
3460	}	4150	}
3461	}	4151	}
3462		4152
3463	# load additional modules	4153	# load additional modules
3464	use cf::pod;	4154	require "cf/$_.pm" for @EXTRA_MODULES;
		4155	cf::_connect_to_perl_2;
3465		4156
3466	END { cf::emergency_save }	4157	END { cf::emergency_save }
3467		4158
3468	1	4159	1
3469		4160

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