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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.329 by root, Fri Aug 10 05:38:16 2007 UTC vs.
Revision 1.538 by root, Tue May 4 21:45:43 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Socket;	31	use Socket;
9	use Storable;	32	use EV;
10	use Event;
11	use Opcode;	33	use Opcode;
12	use Safe;	34	use Safe;
13	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
14		38
		39	use Guard ();
15	use Coro 3.61 ();	40	use Coro ();
16	use Coro::State;	41	use Coro::State;
17	use Coro::Handle;	42	use Coro::Handle;
		43	use Coro::EV;
18	use Coro::Event;	44	use Coro::AnyEvent;
19	use Coro::Timer;	45	use Coro::Timer;
20	use Coro::Signal;	46	use Coro::Signal;
21	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
22	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
23	use Coro::Storable;	52	use Coro::Storable;
		53	use Coro::Util ();
24		54
25	use JSON::XS 1.4 ();	55	use JSON::XS 2.01 ();
26	use BDB ();	56	use BDB ();
27	use Data::Dumper;	57	use Data::Dumper;
28	use Digest::MD5;
29	use Fcntl;	58	use Fcntl;
30	use YAML::Syck ();	59	use YAML::XS ();
31	use IO::AIO 2.32 ();	60	use IO::AIO ();
32	use Time::HiRes;	61	use Time::HiRes;
33	use Compress::LZF;	62	use Compress::LZF;
34	use Digest::MD5 ();	63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
35		66
36	# configure various modules to our taste	67	# configure various modules to our taste
37	#	68	#
38	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
41		77
42	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
43		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
45	$YAML::Syck::ImplicitUnicode = 1;
46
47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
48		80
49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
50		82
51	our %COMMAND = ();	83	our %COMMAND = ();
52	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
…		…
55	our %EXTCMD = ();	87	our %EXTCMD = ();
56	our %EXTICMD = ();	88	our %EXTICMD = ();
57	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
58	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
59		91
60	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
61	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
62		96
63	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
64	our $DATADIR = datadir;	98	our $DATADIR = datadir;
65	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
66	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
67	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
68	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
73	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
74		118
75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
76	our $TICK_WATCHER;
77	our $AIO_POLL_WATCHER;
78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79	our $NEXT_TICK;	121	our $NEXT_TICK;
80	our $NOW;
81	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
82		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
83	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
84	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript);
85		130
86	our %CFG;	131	our %CFG;
87		132
88	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
90		136
91	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
92	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
93	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
94		140
95	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97		143
98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
99	our $LOADAVG; # same thing, but with alpha-smoothing	145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
100	our $tick_start; # for load detecting purposes	147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
101		153
102	binmode STDOUT;	154	binmode STDOUT;
103	binmode STDERR;	155	binmode STDERR;
104		156
105	# read virtual server time, if available	157	# read virtual server time, if available
106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
107	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
108	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
109	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
110	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
111		165
112	mkdir $_	166	mkdir $_
113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
114		168
115	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
116		170
117	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
118		187
119	#############################################################################	188	#############################################################################
120		189
121	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
122		191
…		…
158		227
159	The raw value load value from the last tick.	228	The raw value load value from the last tick.
160		229
161	=item %cf::CFG	230	=item %cf::CFG
162		231
163	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164	from wherever your confdir points to.	233	from wherever your confdir points to.
165		234
166	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
167		236
168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
169	returns directly I<after> the tick processing (and consequently, can only wake one process	238	returns directly I<after> the tick processing (and consequently, can only wake one process
170	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
171		240
172	=item @cf::INVOKE_RESULTS	241	=item @cf::INVOKE_RESULTS
173		242
174	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
175	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
176	that call.	245	that call.
177		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
178	=back	253	=back
179		254
180	=cut	255	=cut
181		256
182	BEGIN {	257	sub error(@) { LOG llevError, join "", @_ }
183	*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 {
184	my $msg = join "", @_;	264	my $msg = join "", @_;
185		265
186	$msg .= "\n"	266	$msg .= "\n"
187	unless $msg =~ /\n$/;	267	unless $msg =~ /\n$/;
188		268
189	$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;
190		270
191	utf8::encode $msg;
192	LOG llevError, $msg;	271	LOG llevWarn, $msg;
193	};	272	};
194	}	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	};
195		287
196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	288	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	289	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	290	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	291	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
206	for my $pkg (qw(	298	for my $pkg (qw(
207	cf::global cf::attachable	299	cf::global cf::attachable
208	cf::object cf::object::player	300	cf::object cf::object::player
209	cf::client cf::player	301	cf::client cf::player
210	cf::arch cf::living	302	cf::arch cf::living
		303	cf::map cf::mapspace
211	cf::map cf::party cf::region	304	cf::party cf::region
212	)) {	305	)) {
213	no strict 'refs';
214	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	306	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
215	}	307	}
216		308
217	$Event::DIED = sub {	309	$EV::DIED = sub {
218	warn "error in event callback: @_";	310	Carp::cluck "error in event callback: @_";
219	};	311	};
220		312
221	#############################################################################	313	#############################################################################
222		314
223	=head2 UTILITY FUNCTIONS	315	=head2 UTILITY FUNCTIONS
…		…
245	$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;
246	$d	338	$d
247	} || "[unable to dump $_[0]: '$@']";	339	} || "[unable to dump $_[0]: '$@']";
248	}	340	}
249		341
250	=item $ref = cf::from_json $json	342	=item $ref = cf::decode_json $json
251		343
252	Converts a JSON string into the corresponding perl data structure.	344	Converts a JSON string into the corresponding perl data structure.
253		345
254	=item $json = cf::to_json $ref	346	=item $json = cf::encode_json $ref
255		347
256	Converts a perl data structure into its JSON representation.	348	Converts a perl data structure into its JSON representation.
257		349
258	=cut	350	=cut
259		351
260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	352	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
261		353
262	sub to_json ($) { $json_coder->encode ($_[0]) }	354	sub encode_json($) { $json_coder->encode ($_[0]) }
263	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	}
264		370
265	=item cf::lock_wait $string	371	=item cf::lock_wait $string
266		372
267	Wait until the given lock is available. See cf::lock_acquire.	373	Wait until the given lock is available. See cf::lock_acquire.
268		374
269	=item my $lock = cf::lock_acquire $string	375	=item my $lock = cf::lock_acquire $string
270		376
271	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
272	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,
273	for example when the coroutine gets canceled), the lock is automatically	379	for example when the coroutine gets canceled), the lock is automatically
274	returned.	380	returned.
275		381
		382	Locks are *not* recursive, locking from the same coro twice results in a
		383	deadlocked coro.
		384
276	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
277	uses map_find and cf::map::load uses map_load).	386	uses map_find and cf::map::load uses map_load).
278		387
279	=item $locked = cf::lock_active $string	388	=item $locked = cf::lock_active $string
280		389
281	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.
282		391
283	=cut	392	=cut
284		393
285	our %LOCK;	394	our $LOCKS = new Coro::SemaphoreSet;
286		395
287	sub lock_wait($) {	396	sub lock_wait($) {
288	my ($key) = @_;	397	$LOCKS->wait ($_[0]);
289
290	# wait for lock, if any
291	while ($LOCK{$key}) {
292	push @{ $LOCK{$key} }, $Coro::current;
293	Coro::schedule;
294	}
295	}	398	}
296		399
297	sub lock_acquire($) {	400	sub lock_acquire($) {
298	my ($key) = @_;	401	$LOCKS->guard ($_[0])
299
300	# wait, to be sure we are not locked
301	lock_wait $key;
302
303	$LOCK{$key} = [];
304
305	Coro::guard {
306	# wake up all waiters, to be on the safe side
307	$_->ready for @{ delete $LOCK{$key} };
308	}
309	}	402	}
310		403
311	sub lock_active($) {	404	sub lock_active($) {
312	my ($key) = @_;	405	$LOCKS->count ($_[0]) < 1
313
314	! ! $LOCK{$key}
315	}	406	}
316		407
317	sub freeze_mainloop {	408	sub freeze_mainloop {
318	return unless $TICK_WATCHER->is_active;	409	tick_inhibit_inc;
319		410
320	my $guard = Coro::guard {	411	&Guard::guard (\&tick_inhibit_dec);
321	$TICK_WATCHER->start;	412	}
322	};	413
323	$TICK_WATCHER->stop;	414	=item cf::periodic $interval, $cb
324	$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($$) {
		422	my ($interval, $cb) = @_;
		423
		424	my $start = rand List::Util::min 180, $interval;
		425
		426	EV::periodic $start, $interval, 0, $cb
325	}	427	}
326		428
327	=item cf::get_slot $time[, $priority[, $name]]	429	=item cf::get_slot $time[, $priority[, $name]]
328		430
329	Allocate $time seconds of blocking CPU time at priority C<$priority>:	431	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
337		439
338	=cut	440	=cut
339		441
340	our @SLOT_QUEUE;	442	our @SLOT_QUEUE;
341	our $SLOT_QUEUE;	443	our $SLOT_QUEUE;
		444	our $SLOT_DECAY = 0.9;
342		445
343	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	446	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
344	$SLOT_QUEUE = Coro::async {	447	$SLOT_QUEUE = Coro::async {
		448	$Coro::current->desc ("timeslot manager");
		449
345	my $signal = new Coro::Signal;	450	my $signal = new Coro::Signal;
		451	my $busy;
346		452
347	while () {	453	while () {
348	next_job:	454	next_job:
		455
349	my $avail = cf::till_tick;	456	my $avail = cf::till_tick;
350	if ($avail > 0.01) {	457
351	for (0 .. $#SLOT_QUEUE) {	458	for (0 .. $#SLOT_QUEUE) {
352	if ($SLOT_QUEUE[$_][0] < $avail) {	459	if ($SLOT_QUEUE[$_][0] <= $avail) {
		460	$busy = 0;
353	my $job = splice @SLOT_QUEUE, $_, 1, ();	461	my $job = splice @SLOT_QUEUE, $_, 1, ();
354	$job->[2]->send;	462	$job->[2]->send;
355	Coro::cede;	463	Coro::cede;
356	goto next_job;	464	goto next_job;
357	}	465	} else {
		466	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
358	}	467	}
359	}	468	}
360		469
361	if (@SLOT_QUEUE) {	470	if (@SLOT_QUEUE) {
362	# we do not use wait_For_tick() as it returns immediately when tick is inactive	471	# we do not use wait_for_tick() as it returns immediately when tick is inactive
363	push @cf::WAIT_FOR_TICK, $signal;	472	push @cf::WAIT_FOR_TICK, $signal;
364	$signal->wait;	473	$signal->wait;
365	} else {	474	} else {
		475	$busy = 0;
366	Coro::schedule;	476	Coro::schedule;
367	}	477	}
368	}	478	}
369	};	479	};
370		480
371	sub get_slot($;$$) {	481	sub get_slot($;$$) {
		482	return if tick_inhibit || $Coro::current == $Coro::main;
		483
372	my ($time, $pri, $name) = @_;	484	my ($time, $pri, $name) = @_;
373		485
374	$time = $TICK * .6 if $time > $TICK * .6;	486	$time = clamp $time, 0.01, $TICK * .6;
		487
375	my $sig = new Coro::Signal;	488	my $sig = new Coro::Signal;
376		489
377	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	490	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
378	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	491	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
379	$SLOT_QUEUE->ready;	492	$SLOT_QUEUE->ready;
…		…
390		503
391	BEGIN { *async = \&Coro::async_pool }	504	BEGIN { *async = \&Coro::async_pool }
392		505
393	=item cf::sync_job { BLOCK }	506	=item cf::sync_job { BLOCK }
394		507
395	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	508	The design of Deliantra requires that the main coroutine ($Coro::main)
396	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
397	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
398	acceptable.	511	acceptable.
399		512
400	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
401	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
…		…
405	=cut	518	=cut
406		519
407	sub sync_job(&) {	520	sub sync_job(&) {
408	my ($job) = @_;	521	my ($job) = @_;
409		522
410	if ($Coro::current == $Coro::main) {	523	if (in_main) {
411	my $time = Event::time;	524	my $time = AE::time;
412		525
413	# this is the main coro, too bad, we have to block	526	# this is the main coro, too bad, we have to block
414	# till the operation succeeds, freezing the server :/	527	# till the operation succeeds, freezing the server :/
415		528
416	# TODO: use suspend/resume instead	529	#LOG llevError, Carp::longmess "sync job";#d#
417	# (but this is cancel-safe)	530
418	my $freeze_guard = freeze_mainloop;	531	my $freeze_guard = freeze_mainloop;
419		532
420	my $busy = 1;	533	my $busy = 1;
421	my @res;	534	my @res;
422		535
423	(async {	536	(async {
		537	$Coro::current->desc ("sync job coro");
424	@res = eval { $job->() };	538	@res = eval { $job->() };
425	warn $@ if $@;	539	error $@ if $@;
426	undef $busy;	540	undef $busy;
427	})->prio (Coro::PRIO_MAX);	541	})->prio (Coro::PRIO_MAX);
428		542
429	while ($busy) {	543	while ($busy) {
430	Coro::cede or Event::one_event;	544	if (Coro::nready) {
		545	Coro::cede_notself;
		546	} else {
		547	EV::loop EV::LOOP_ONESHOT;
431	}	548	}
		549	}
432		550
433	$time = Event::time - $time;	551	my $time = AE::time - $time;
434		552
435	LOG llevError | logBacktrace, Carp::longmess "long sync job"
436	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
437
438	$tick_start += $time; # do not account sync jobs to server load	553	$TICK_START += $time; # do not account sync jobs to server load
439		554
440	wantarray ? @res : $res[0]	555	wantarray ? @res : $res[0]
441	} else {	556	} else {
442	# we are in another coroutine, how wonderful, everything just works	557	# we are in another coroutine, how wonderful, everything just works
443		558
…		…
468	=item fork_call { }, $args	583	=item fork_call { }, $args
469		584
470	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
471	process, returning the results. Everything must be serialisable with	586	process, returning the results. Everything must be serialisable with
472	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
473	never block itself or use any form of Event handling.	588	never block itself or use any form of event handling.
474		589
475	=cut	590	=cut
476
477	sub _store_scalar {
478	open my $fh, ">", \my $buf
479	or die "fork_call: cannot open fh-to-buf in child : $!";
480	Storable::store_fd $_[0], $fh;
481	close $fh;
482
483	$buf
484	}
485		591
486	sub fork_call(&@) {	592	sub fork_call(&@) {
487	my ($cb, @args) = @_;	593	my ($cb, @args) = @_;
488		594
489	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	595	# we seemingly have to make a local copy of the whole thing,
490	# or die "socketpair: $!";	596	# otherwise perl prematurely frees the stuff :/
491	pipe my $fh1, my $fh2	597	# TODO: investigate and fix (likely this will be rather laborious)
492	or die "pipe: $!";
493		598
494	if (my $pid = fork) {	599	my @res = Coro::Util::fork_eval {
495	close $fh2;
496
497	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
498	warn "pst<$res>" unless $res =~ /^pst/;
499	$res = Coro::Storable::thaw $res;
500
501	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
502
503	Carp::confess $$res unless "ARRAY" eq ref $res;
504
505	return wantarray ? @$res : $res->[-1];
506	} else {
507	reset_signals;	600	reset_signals;
508	local $SIG{__WARN__};	601	&$cb
509	local $SIG{__DIE__};	602	}, @args;
510	# just in case, this hack effectively disables event
511	# in the child. cleaner and slower would be canceling all watchers,
512	# but this works for the time being.
513	local $Coro::idle;
514	$Coro::current->prio (Coro::PRIO_MAX);
515		603
516	eval {	604	wantarray ? @res : $res[-1]
517	close $fh1;	605	}
518		606
519	my @res = eval { $cb->(@args) };	607	sub objinfo {
520
521	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
522	close $fh2;
523	};
524
525	warn $@ if $@;
526	_exit 0;
527	}	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
528	}	643	}
529		644
530	=item $value = cf::db_get $family => $key	645	=item $value = cf::db_get $family => $key
531		646
532	Returns a single value from the environment database.	647	Returns a single value from the environment database.
…		…
534	=item cf::db_put $family => $key => $value	649	=item cf::db_put $family => $key => $value
535		650
536	Stores the given C<$value> in the family. It can currently store binary	651	Stores the given C<$value> in the family. It can currently store binary
537	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).
538		653
		654	=item $db = cf::db_table "name"
		655
		656	Create and/or open a new database table. The string must not be "db" and must be unique
		657	within each server.
		658
539	=cut	659	=cut
		660
		661	sub db_table($) {
		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	}
540		680
541	our $DB;	681	our $DB;
542		682
543	sub db_init {	683	sub db_init {
544	unless ($DB) {	684	$DB ||= db_table "db";
545	$DB = BDB::db_create $DB_ENV;
546
547	cf::sync_job {
548	eval {
549	$DB->set_flags (BDB::CHKSUM);
550
551	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
552	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
553	cf::cleanup "db_open(db): $!" if $!;
554	};
555	cf::cleanup "db_open(db): $@" if $@;
556	};
557	}
558	}	685	}
559		686
560	sub db_get($$) {	687	sub db_get($$) {
561	my $key = "$_[0]/$_[1]";	688	my $key = "$_[0]/$_[1]";
562		689
563	cf::sync_job {	690	cf::error "db_get called from main context"
		691	if $Coro::current == $Coro::main;
		692
564	BDB::db_get $DB, undef, $key, my $data;	693	BDB::db_get $DB, undef, $key, my $data;
565		694
566	$! ? ()	695	$! ? ()
567	: $data	696	: $data
568	}
569	}	697	}
570		698
571	sub db_put($$$) {	699	sub db_put($$$) {
572	BDB::dbreq_pri 4;	700	BDB::dbreq_pri 4;
573	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	701	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
612	if (1) {	740	if (1) {
613	$md5 =	741	$md5 =
614	join "\x00",	742	join "\x00",
615	$processversion,	743	$processversion,
616	map {	744	map {
617	Coro::cede;	745	cf::cede_to_tick;
618	($src->[$_], Digest::MD5::md5_hex $data[$_])	746	($src->[$_], Digest::MD5::md5_hex $data[$_])
619	} 0.. $#$src;	747	} 0.. $#$src;
620		748
621		749
622	my $dbmd5 = db_get cache => "$id/md5";	750	my $dbmd5 = db_get cache => "$id/md5";
…		…
629		757
630	my $t1 = Time::HiRes::time;	758	my $t1 = Time::HiRes::time;
631	my $data = $process->(\@data);	759	my $data = $process->(\@data);
632	my $t2 = Time::HiRes::time;	760	my $t2 = Time::HiRes::time;
633		761
634	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	762	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
635		763
636	db_put cache => "$id/data", $data;	764	db_put cache => "$id/data", $data;
637	db_put cache => "$id/md5" , $md5;	765	db_put cache => "$id/md5" , $md5;
638	db_put cache => "$id/meta", $meta;	766	db_put cache => "$id/meta", $meta;
639		767
…		…
649		777
650	=cut	778	=cut
651		779
652	sub datalog($@) {	780	sub datalog($@) {
653	my ($type, %kv) = @_;	781	my ($type, %kv) = @_;
654	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	782	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
655	}	783	}
656		784
657	=back	785	=back
658		786
659	=cut	787	=cut
660		788
661	#############################################################################	789	#############################################################################
662		790
663	=head2 ATTACHABLE OBJECTS	791	=head2 ATTACHABLE OBJECTS
664		792
665	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
666	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")
667	to it. All such attachable objects support the following methods.	795	to it. All such attachable objects support the following methods.
668		796
669	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>
670	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
671	Crossfire TRT).	799	Deliantra).
672		800
673	=over 4	801	=over 4
674		802
675	=item $attachable->attach ($attachment, key => $value...)	803	=item $attachable->attach ($attachment, key => $value...)
676		804
…		…
720	=item cf::CLASS::attachment $name, ...	848	=item cf::CLASS::attachment $name, ...
721		849
722	Register an attachment by C<$name> through which attachable objects of the	850	Register an attachment by C<$name> through which attachable objects of the
723	given CLASS can refer to this attachment.	851	given CLASS can refer to this attachment.
724		852
725	Some classes such as crossfire maps and objects can specify attachments	853	Some classes such as deliantra maps and objects can specify attachments
726	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.
727		855
728	These calls expect any number of the following handler/hook descriptions:	856	These calls expect any number of the following handler/hook descriptions:
729		857
730	=over 4	858	=over 4
…		…
854		982
855	} elsif (exists $cb_id{$type}) {	983	} elsif (exists $cb_id{$type}) {
856	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	984	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
857		985
858	} elsif (ref $type) {	986	} elsif (ref $type) {
859	warn "attaching objects not supported, ignoring.\n";	987	error "attaching objects not supported, ignoring.\n";
860		988
861	} else {	989	} else {
862	shift @arg;	990	shift @arg;
863	warn "attach argument '$type' not supported, ignoring.\n";	991	error "attach argument '$type' not supported, ignoring.\n";
864	}	992	}
865	}	993	}
866	}	994	}
867		995
868	sub _object_attach {	996	sub _object_attach {
…		…
878	_attach $registry, $klass, @attach;	1006	_attach $registry, $klass, @attach;
879	}	1007	}
880		1008
881	$obj->{$name} = \%arg;	1009	$obj->{$name} = \%arg;
882	} else {	1010	} else {
883	warn "object uses attachment '$name' which is not available, postponing.\n";	1011	info "object uses attachment '$name' which is not available, postponing.\n";
884	}	1012	}
885		1013
886	$obj->{_attachment}{$name} = undef;	1014	$obj->{_attachment}{$name} = undef;
887	}	1015	}
888		1016
…		…
947		1075
948	for (@$callbacks) {	1076	for (@$callbacks) {
949	eval { &{$_->[1]} };	1077	eval { &{$_->[1]} };
950		1078
951	if ($@) {	1079	if ($@) {
952	warn "$@";
953	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1080	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
954	override;	1081	override;
955	}	1082	}
956		1083
957	return 1 if $override;	1084	return 1 if $override;
958	}	1085	}
959		1086
960	0	1087	0
961	}	1088	}
962		1089
963	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
964		1091
965	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1092	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
966		1093
967	Generate an object-specific event with the given arguments.	1094	Generate an object-specific event with the given arguments.
968		1095
…		…
974		1101
975	=cut	1102	=cut
976		1103
977	#############################################################################	1104	#############################################################################
978	# object support	1105	# object support
979	#
980		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 $SLOW_MERGES;#d#
981	sub _can_merge {	1140	sub _can_merge {
982	my ($ob1, $ob2) = @_;	1141	my ($ob1, $ob2) = @_;
983		1142
984	local $Storable::canonical = 1;	1143	++$SLOW_MERGES;#d#
985	my $fob1 = Storable::freeze $ob1;
986	my $fob2 = Storable::freeze $ob2;
987		1144
988	$fob1 eq $fob2	1145	# we do the slow way here
		1146	return _object_equal $ob1, $ob2
989	}	1147	}
990		1148
991	sub reattach {	1149	sub reattach {
992	# basically do the same as instantiate, without calling instantiate	1150	# basically do the same as instantiate, without calling instantiate
993	my ($obj) = @_;	1151	my ($obj) = @_;
994		1152
		1153	# no longer needed after getting rid of delete_package?
995	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
996		1155
997	my $registry = $obj->registry;	1156	my $registry = $obj->registry;
998		1157
999	@$registry = ();	1158	@$registry = ();
1000		1159
…		…
1005	for (@$attach) {	1164	for (@$attach) {
1006	my ($klass, @attach) = @$_;	1165	my ($klass, @attach) = @$_;
1007	_attach $registry, $klass, @attach;	1166	_attach $registry, $klass, @attach;
1008	}	1167	}
1009	} else {	1168	} else {
1010	warn "object uses attachment '$name' that is not available, postponing.\n";	1169	info "object uses attachment '$name' that is not available, postponing.\n";
1011	}	1170	}
1012	}	1171	}
1013	}	1172	}
1014		1173
1015	cf::attachable->attach (	1174	cf::attachable->attach (
1016	prio => -1000000,	1175	prio => -1000000,
1017	on_instantiate => sub {	1176	on_instantiate => sub {
1018	my ($obj, $data) = @_;	1177	my ($obj, $data) = @_;
1019		1178
1020	$data = from_json $data;	1179	$data = decode_json $data;
1021		1180
1022	for (@$data) {	1181	for (@$data) {
1023	my ($name, $args) = @$_;	1182	my ($name, $args) = @$_;
1024		1183
1025	$obj->attach ($name, %{$args || {} });	1184	$obj->attach ($name, %{$args || {} });
…		…
1041	sub object_freezer_save {	1200	sub object_freezer_save {
1042	my ($filename, $rdata, $objs) = @_;	1201	my ($filename, $rdata, $objs) = @_;
1043		1202
1044	sync_job {	1203	sync_job {
1045	if (length $$rdata) {	1204	if (length $$rdata) {
		1205	utf8::decode (my $decname = $filename);
1046	warn sprintf "saving %s (%d,%d)\n",	1206	trace sprintf "saving %s (%d,%d)\n",
1047	$filename, length $$rdata, scalar @$objs;	1207	$decname, length $$rdata, scalar @$objs
		1208	if $VERBOSE_IO;
1048		1209
1049	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1210	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1050	chmod SAVE_MODE, $fh;	1211	aio_chmod $fh, SAVE_MODE;
1051	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1212	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1052	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	}
1053	close $fh;	1217	aio_close $fh;
1054		1218
1055	if (@$objs) {	1219	if (@$objs) {
1056	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) {
1057	chmod SAVE_MODE, $fh;	1221	aio_chmod $fh, SAVE_MODE;
1058	my $data = Storable::nfreeze { version => 1, objs => $objs };	1222	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1059	aio_write $fh, 0, (length $data), $data, 0;	1223	aio_write $fh, 0, (length $data), $data, 0;
1060	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	}
1061	close $fh;	1228	aio_close $fh;
1062	aio_rename "$filename.pst~", "$filename.pst";	1229	aio_rename "$filename.pst~", "$filename.pst";
1063	}	1230	}
1064	} else {	1231	} else {
1065	aio_unlink "$filename.pst";	1232	aio_unlink "$filename.pst";
1066	}	1233	}
1067		1234
1068	aio_rename "$filename~", $filename;	1235	aio_rename "$filename~", $filename;
		1236
		1237	$filename =~ s%/[^/]+$%%;
		1238	aio_pathsync $filename if $cf::USE_FSYNC;
1069	} else {	1239	} else {
1070	warn "FATAL: $filename~: $!\n";	1240	error "unable to save objects: $filename~: $!\n";
1071	}	1241	}
1072	} else {	1242	} else {
1073	aio_unlink $filename;	1243	aio_unlink $filename;
1074	aio_unlink "$filename.pst";	1244	aio_unlink "$filename.pst";
1075	}	1245	}
1076	}	1246	};
1077	}	1247	}
1078		1248
1079	sub object_freezer_as_string {	1249	sub object_freezer_as_string {
1080	my ($rdata, $objs) = @_;	1250	my ($rdata, $objs) = @_;
1081		1251
…		…
1093	or return;	1263	or return;
1094		1264
1095	unless (aio_stat "$filename.pst") {	1265	unless (aio_stat "$filename.pst") {
1096	(aio_load "$filename.pst", $av) >= 0	1266	(aio_load "$filename.pst", $av) >= 0
1097	or return;	1267	or return;
		1268
1098	$av = eval { (Storable::thaw $av)->{objs} };	1269	my $st = eval { Coro::Storable::thaw $av };
		1270	$av = $st->{objs};
1099	}	1271	}
1100		1272
		1273	utf8::decode (my $decname = $filename);
1101	warn sprintf "loading %s (%d)\n",	1274	trace sprintf "loading %s (%d,%d)\n",
1102	$filename, length $data, scalar @{$av || []};	1275	$decname, length $data, scalar @{$av || []}
		1276	if $VERBOSE_IO;
		1277
1103	return ($data, $av);	1278	($data, $av)
1104	}	1279	}
1105		1280
1106	=head2 COMMAND CALLBACKS	1281	=head2 COMMAND CALLBACKS
1107		1282
1108	=over 4	1283	=over 4
…		…
1162	my ($name, $cb) = @_;	1337	my ($name, $cb) = @_;
1163		1338
1164	$EXTICMD{$name} = $cb;	1339	$EXTICMD{$name} = $cb;
1165	}	1340	}
1166		1341
		1342	use File::Glob ();
		1343
1167	cf::player->attach (	1344	cf::player->attach (
1168	on_command => sub {	1345	on_unknown_command => sub {
1169	my ($pl, $name, $params) = @_;	1346	my ($pl, $name, $params) = @_;
1170		1347
1171	my $cb = $COMMAND{$name}	1348	my $cb = $COMMAND{$name}
1172	or return;	1349	or return;
1173		1350
…		…
1186	my ($type, $reply, @payload) =	1363	my ($type, $reply, @payload) =
1187	"ARRAY" eq ref $msg	1364	"ARRAY" eq ref $msg
1188	? @$msg	1365	? @$msg
1189	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	1366	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1190		1367
		1368	my @reply;
		1369
1191	if (my $cb = $EXTCMD{$type}) {	1370	if (my $cb = $EXTCMD{$type}) {
1192	my @reply = $cb->($pl, @payload);	1371	@reply = $cb->($pl, @payload);
1193
1194	$pl->ext_reply ($reply, @reply)
1195	if $reply;
1196	}	1372	}
		1373
		1374	$pl->ext_reply ($reply, @reply)
		1375	if $reply;
		1376
1197	} else {	1377	} else {
1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1378	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1199	}	1379	}
1200		1380
1201	cf::override;	1381	cf::override;
1202	},	1382	},
1203	);	1383	);
1204		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
1205	sub load_extensions {	1398	sub load_extensions {
		1399	info "loading extensions...";
		1400
1206	cf::sync_job {	1401	cf::sync_job {
1207	my %todo;	1402	my %todo;
1208		1403
1209	for my $path (<$LIBDIR/*.ext>) {	1404	for my $path (<$LIBDIR/*.ext>) {
1210	next unless -r $path;	1405	next unless -r $path;
…		…
1228		1423
1229	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1424	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1230	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1425	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1231		1426
1232	$ext{source} =	1427	$ext{source} =
1233	"package $pkg; use strict; use utf8;\n"	1428	"package $pkg; use common::sense;\n"
1234	. "#line 1 \"$path\"\n{\n"	1429	. "#line 1 \"$path\"\n{\n"
1235	. $source	1430	. $source
1236	. "\n};\n1";	1431	. "\n};\n1";
1237		1432
1238	$todo{$base} = \%ext;	1433	$todo{$base} = \%ext;
1239	}	1434	}
1240		1435
		1436	my $pass = 0;
1241	my %done;	1437	my %done;
1242	while (%todo) {	1438	while (%todo) {
1243	my $progress;	1439	my $progress;
1244		1440
		1441	++$pass;
		1442
		1443	ext:
1245	while (my ($k, $v) = each %todo) {	1444	while (my ($k, $v) = each %todo) {
1246	for (split /,\s*/, $v->{meta}{depends}) {	1445	for (split /,\s*/, $v->{meta}{depends}) {
1247	goto skip	1446	next ext
1248	unless exists $done{$_};	1447	unless exists $done{$_};
1249	}	1448	}
1250		1449
1251	warn "... loading '$k' into '$v->{pkg}'\n";	1450	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1252		1451
1253	unless (eval $v->{source}) {	1452	my $active = eval $v->{source};
		1453
		1454	if (length $@) {
1254	my $msg = $@ ? "$v->{path}: $@\n"	1455	error "$v->{path}: $@\n";
1255	: "$v->{base}: extension inactive.\n";	1456	undef $@; # work around perl 5.10.0 utf-8 caching bug
1256		1457
		1458	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1257	if (exists $v->{meta}{mandatory}) {	1459	if exists $v->{meta}{mandatory};
1258	warn $msg;	1460
1259	warn "mandatory extension failed to load, exiting.\n";	1461	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1260	exit 1;	1462	delete $todo{$k};
1261	}	1463	} else {
1262		1464	$done{$k} = delete $todo{$k};
1263	warn $msg;	1465	push @EXTS, $v->{pkg};
		1466	$progress = 1;
		1467
		1468	info "$v->{base}: extension inactive.\n"
		1469	unless $active;
1264	}	1470	}
1265
1266	$done{$k} = delete $todo{$k};
1267	push @EXTS, $v->{pkg};
1268	$progress = 1;
1269	}	1471	}
1270		1472
1271	skip:	1473	unless ($progress) {
1272	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1474	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1273	unless $progress;	1475
		1476	while (my ($k, $v) = each %todo) {
		1477	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1478	if exists $v->{meta}{mandatory};
		1479	}
		1480	}
1274	}	1481	}
1275	};	1482	};
1276	}	1483	}
1277		1484
1278	#############################################################################	1485	#############################################################################
1279		1486
1280	=back	1487	=back
1281		1488
1282	=head2 CORE EXTENSIONS	1489	=head2 CORE EXTENSIONS
1283		1490
1284	Functions and methods that extend core crossfire objects.	1491	Functions and methods that extend core deliantra objects.
1285		1492
1286	=cut	1493	=cut
1287		1494
1288	package cf::player;	1495	package cf::player;
1289		1496
1290	use Coro::AIO;	1497	use Coro::AIO;
1291		1498
1292	=head3 cf::player	1499	=head3 cf::player
1293		1500
1294	=over 4	1501	=over 4
		1502
		1503	=item cf::player::num_playing
		1504
		1505	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1506
		1507	=cut
		1508
		1509	sub num_playing {
		1510	scalar grep
		1511	$_->ob->map
		1512	&& !$_->hidden
		1513	&& !$_->ob->flag (cf::FLAG_WIZ),
		1514	cf::player::list
		1515	}
1295		1516
1296	=item cf::player::find $login	1517	=item cf::player::find $login
1297		1518
1298	Returns the given player object, loading it if necessary (might block).	1519	Returns the given player object, loading it if necessary (might block).
1299		1520
…		…
1318		1539
1319	sub exists($) {	1540	sub exists($) {
1320	my ($login) = @_;	1541	my ($login) = @_;
1321		1542
1322	$cf::PLAYER{$login}	1543	$cf::PLAYER{$login}
1323	or cf::sync_job { !aio_stat path $login }	1544	or !aio_stat path $login
1324	}	1545	}
1325		1546
1326	sub find($) {	1547	sub find($) {
1327	return $cf::PLAYER{$_[0]} || do {	1548	return $cf::PLAYER{$_[0]} || do {
1328	my $login = $_[0];	1549	my $login = $_[0];
…		…
1335	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1556	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1336	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1557	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1337	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1558	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1338	aio_unlink +(playerdir $login) . "/$login.pl";	1559	aio_unlink +(playerdir $login) . "/$login.pl";
1339		1560
1340	my $pl = load_pl path $login	1561	my $f = new_from_file cf::object::thawer path $login
1341	or return;	1562	or return;
		1563
		1564	my $pl = cf::player::load_pl $f
		1565	or return;
		1566
		1567	local $cf::PLAYER_LOADING{$login} = $pl;
		1568	$f->resolve_delayed_derefs;
1342	$cf::PLAYER{$login} = $pl	1569	$cf::PLAYER{$login} = $pl
1343	}	1570	}
1344	}	1571	}
1345	}	1572	}
		1573
		1574	cf::player->attach (
		1575	on_load => sub {
		1576	my ($pl, $path) = @_;
		1577
		1578	# restore slots saved in save, below
		1579	my $slots = delete $pl->{_slots};
		1580
		1581	$pl->ob->current_weapon ($slots->[0]);
		1582	$pl->combat_ob ($slots->[1]);
		1583	$pl->ranged_ob ($slots->[2]);
		1584	},
		1585	);
1346		1586
1347	sub save($) {	1587	sub save($) {
1348	my ($pl) = @_;	1588	my ($pl) = @_;
1349		1589
1350	return if $pl->{deny_save};	1590	return if $pl->{deny_save};
…		…
1355	return if $pl->{deny_save};	1595	return if $pl->{deny_save};
1356		1596
1357	aio_mkdir playerdir $pl, 0770;	1597	aio_mkdir playerdir $pl, 0770;
1358	$pl->{last_save} = $cf::RUNTIME;	1598	$pl->{last_save} = $cf::RUNTIME;
1359		1599
		1600	cf::get_slot 0.01;
		1601
		1602	# save slots, to be restored later
		1603	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1604
1360	$pl->save_pl ($path);	1605	$pl->save_pl ($path);
1361	Coro::cede;	1606	cf::cede_to_tick;
1362	}	1607	}
1363		1608
1364	sub new($) {	1609	sub new($) {
1365	my ($login) = @_;	1610	my ($login) = @_;
1366		1611
…		…
1395	my ($pl) = @_;	1640	my ($pl) = @_;
1396		1641
1397	my $name = $pl->ob->name;	1642	my $name = $pl->ob->name;
1398		1643
1399	$pl->{deny_save} = 1;	1644	$pl->{deny_save} = 1;
1400	$pl->password ("*"); # this should lock out the player until we nuked the dir	1645	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1401		1646
1402	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1647	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1403	$pl->deactivate;	1648	$pl->deactivate;
		1649	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1404	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1650	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1405	$pl->ns->destroy if $pl->ns;	1651	$pl->ns->destroy if $pl->ns;
1406		1652
1407	my $path = playerdir $pl;	1653	my $path = playerdir $pl;
1408	my $temp = "$path~$cf::RUNTIME~deleting~";	1654	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1444	or return [];	1690	or return [];
1445		1691
1446	my @logins;	1692	my @logins;
1447		1693
1448	for my $login (@$dirs) {	1694	for my $login (@$dirs) {
		1695	my $path = path $login;
		1696
		1697	# a .pst is a dead give-away for a valid player
		1698	# if no pst file found, open and chekc for blocked users
		1699	if (aio_stat "$path.pst") {
1449	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1700	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1450	aio_read $fh, 0, 512, my $buf, 0 or next;	1701	aio_read $fh, 0, 512, my $buf, 0 or next;
1451	$buf !~ /^password -------------$/m or next; # official not-valid tag	1702	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1703	}
1452		1704
1453	utf8::decode $login;	1705	utf8::decode $login;
1454	push @logins, $login;	1706	push @logins, $login;
1455	}	1707	}
1456		1708
1457	\@logins	1709	\@logins
1458	}	1710	}
1459		1711
1460	=item $player->maps	1712	=item $player->maps
		1713
		1714	=item cf::player::maps $login
1461		1715
1462	Returns an arrayref of map paths that are private for this	1716	Returns an arrayref of map paths that are private for this
1463	player. May block.	1717	player. May block.
1464		1718
1465	=cut	1719	=cut
…		…
1483	}	1737	}
1484		1738
1485	\@paths	1739	\@paths
1486	}	1740	}
1487		1741
1488	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1742	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1489		1743
1490	Expand crossfire pod fragments into protocol xml.	1744	Expand deliantra pod fragments into protocol xml.
1491
1492	=cut
1493
1494	sub expand_cfpod {
1495	((my $self), (local $_)) = @_;
1496
1497	# escape & and <
1498	s/&/&amp;/g;
1499	s/(?<![BIUGH])</&lt;/g;
1500
1501	# this is buggy, it needs to properly take care of nested <'s
1502
1503	1 while
1504	# replace B<>, I<>, U<> etc.
1505	s/B<([^\>]*)>/<b>$1<\/b>/
1506	|| s/I<([^\>]*)>/<i>$1<\/i>/
1507	|| s/U<([^\>]*)>/<u>$1<\/u>/
1508	# replace G<male|female> tags
1509	|| s{G<([^>|]*)\|([^>]*)>}{
1510	$self->gender ? $2 : $1
1511	}ge
1512	# replace H<hint text>
1513	|| s{H<([^\>]*)>}
1514	{
1515	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1516	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1517	"")
1518	[$self->{hintmode}]
1519	}ge;
1520
1521	# create single paragraphs (very hackish)
1522	s/(?<=\S)\n(?=\w)/ /g;
1523
1524	# compress some whitespace
1525	s/\s+\n/\n/g; # ws line-ends
1526	s/\n\n+/\n/g; # double lines
1527	s/^\n+//; # beginning lines
1528	s/\n+$//; # ending lines
1529
1530	$_
1531	}
1532
1533	sub hintmode {
1534	$_[0]{hintmode} = $_[1] if @_ > 1;
1535	$_[0]{hintmode}
1536	}
1537		1745
1538	=item $player->ext_reply ($msgid, @msg)	1746	=item $player->ext_reply ($msgid, @msg)
1539		1747
1540	Sends an ext reply to the player.	1748	Sends an ext reply to the player.
1541		1749
1542	=cut	1750	=cut
1543		1751
1544	sub ext_reply($$@) {	1752	sub ext_reply($$@) {
1545	my ($self, $id, @msg) = @_;	1753	my ($self, $id, @msg) = @_;
1546		1754
1547	if ($self->ns->extcmd == 2) {	1755	$self->ns->ext_reply ($id, @msg)
1548	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1549	} elsif ($self->ns->extcmd == 1) {
1550	#TODO: version 1, remove
1551	unshift @msg, msgtype => "reply", msgid => $id;
1552	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
1553	}
1554	}	1756	}
1555		1757
1556	=item $player->ext_msg ($type, @msg)	1758	=item $player->ext_msg ($type, @msg)
1557		1759
1558	Sends an ext event to the client.	1760	Sends an ext event to the client.
…		…
1579		1781
1580	=cut	1782	=cut
1581		1783
1582	sub find_by_path($) {	1784	sub find_by_path($) {
1583	my ($path) = @_;	1785	my ($path) = @_;
		1786
		1787	$path =~ s/^~[^\/]*//; # skip ~login
1584		1788
1585	my ($match, $specificity);	1789	my ($match, $specificity);
1586		1790
1587	for my $region (list) {	1791	for my $region (list) {
1588	if ($region->{match} && $path =~ $region->{match}) {	1792	if ($region->{match} && $path =~ $region->{match}) {
…		…
1614	our $MAX_RESET = 3600;	1818	our $MAX_RESET = 3600;
1615	our $DEFAULT_RESET = 3000;	1819	our $DEFAULT_RESET = 3000;
1616		1820
1617	sub generate_random_map {	1821	sub generate_random_map {
1618	my ($self, $rmp) = @_;	1822	my ($self, $rmp) = @_;
		1823
		1824	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1825
1619	# mit "rum" bekleckern, nicht	1826	# mit "rum" bekleckern, nicht
1620	$self->_create_random_map (	1827	$self->_create_random_map (
1621	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1828	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1622	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1829	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1623	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1830	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1624	$rmp->{exit_on_final_map},	1831	$rmp->{exit_on_final_map},
1625	$rmp->{xsize}, $rmp->{ysize},	1832	$rmp->{xsize}, $rmp->{ysize},
1626	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1833	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1627	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1834	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1649		1856
1650	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1857	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1651	}	1858	}
1652		1859
1653	# also paths starting with '/'	1860	# also paths starting with '/'
1654	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1861	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1655		1862
1656	sub thawer_merge {	1863	sub thawer_merge {
1657	my ($self, $merge) = @_;	1864	my ($self, $merge) = @_;
1658		1865
1659	# we have to keep some variables in memory intact	1866	# we have to keep some variables in memory intact
…		…
1745		1952
1746	# the temporary/swap location	1953	# the temporary/swap location
1747	sub save_path {	1954	sub save_path {
1748	my ($self) = @_;	1955	my ($self) = @_;
1749		1956
1750	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1957	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1751	"$TMPDIR/$path.map"	1958	"$TMPDIR/$path.map"
1752	}	1959	}
1753		1960
1754	# the unique path, undef == no special unique path	1961	# the unique path, undef == no special unique path
1755	sub uniq_path {	1962	sub uniq_path {
1756	my ($self) = @_;	1963	my ($self) = @_;
1757		1964
1758	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1965	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1759	"$UNIQUEDIR/$path"	1966	"$UNIQUEDIR/$path"
1760	}
1761
1762	# and all this just because we cannot iterate over
1763	# all maps in C++...
1764	sub change_all_map_light {
1765	my ($change) = @_;
1766
1767	$_->change_map_light ($change)
1768	for grep $_->outdoor, values %cf::MAP;
1769	}	1967	}
1770		1968
1771	sub decay_objects {	1969	sub decay_objects {
1772	my ($self) = @_;	1970	my ($self) = @_;
1773		1971
…		…
1786		1984
1787	sub load_header_from($) {	1985	sub load_header_from($) {
1788	my ($self, $path) = @_;	1986	my ($self, $path) = @_;
1789		1987
1790	utf8::encode $path;	1988	utf8::encode $path;
1791	#aio_open $path, O_RDONLY, 0	1989	my $f = new_from_file cf::object::thawer $path
1792	# or return;
1793
1794	$self->_load_header ($path)
1795	or return;	1990	or return;
		1991
		1992	$self->_load_header ($f)
		1993	or return;
		1994
		1995	local $MAP_LOADING{$self->{path}} = $self;
		1996	$f->resolve_delayed_derefs;
1796		1997
1797	$self->{load_path} = $path;	1998	$self->{load_path} = $path;
1798		1999
1799	1	2000	1
1800	}	2001	}
…		…
1854	sub find {	2055	sub find {
1855	my ($path, $origin) = @_;	2056	my ($path, $origin) = @_;
1856		2057
1857	$path = normalise $path, $origin && $origin->path;	2058	$path = normalise $path, $origin && $origin->path;
1858		2059
		2060	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1859	cf::lock_wait "map_find:$path";	2061	my $guard2 = cf::lock_acquire "map_find:$path";
1860		2062
1861	$cf::MAP{$path} || do {	2063	$cf::MAP{$path} || do {
1862	my $guard = cf::lock_acquire "map_find:$path";
1863	my $map = new_from_path cf::map $path	2064	my $map = new_from_path cf::map $path
1864	or return;	2065	or return;
1865		2066
1866	$map->{last_save} = $cf::RUNTIME;	2067	$map->{last_save} = $cf::RUNTIME;
1867		2068
…		…
1869	or return;	2070	or return;
1870		2071
1871	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2072	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1872	# doing this can freeze the server in a sync job, obviously	2073	# doing this can freeze the server in a sync job, obviously
1873	#$cf::WAIT_FOR_TICK->wait;	2074	#$cf::WAIT_FOR_TICK->wait;
		2075	undef $guard2;
		2076	undef $guard1;
1874	$map->reset;	2077	$map->reset;
1875	undef $guard;
1876	return find $path;	2078	return find $path;
1877	}	2079	}
1878		2080
1879	$cf::MAP{$path} = $map	2081	$cf::MAP{$path} = $map
1880	}	2082	}
1881	}	2083	}
1882		2084
1883	sub pre_load { }	2085	sub pre_load { }
1884	sub post_load { }	2086	#sub post_load { } # XS
1885		2087
1886	sub load {	2088	sub load {
1887	my ($self) = @_;	2089	my ($self) = @_;
1888		2090
1889	local $self->{deny_reset} = 1; # loading can take a long time	2091	local $self->{deny_reset} = 1; # loading can take a long time
1890		2092
1891	my $path = $self->{path};	2093	my $path = $self->{path};
1892		2094
1893	{	2095	{
1894	my $guard = cf::lock_acquire "map_load:$path";	2096	my $guard = cf::lock_acquire "map_data:$path";
1895		2097
		2098	return unless $self->valid;
1896	return if $self->in_memory != cf::MAP_SWAPPED;	2099	return unless $self->in_memory == cf::MAP_SWAPPED;
1897		2100
1898	$self->in_memory (cf::MAP_LOADING);	2101	$self->in_memory (cf::MAP_LOADING);
1899		2102
1900	$self->alloc;	2103	$self->alloc;
1901		2104
1902	$self->pre_load;	2105	$self->pre_load;
1903	Coro::cede;	2106	cf::cede_to_tick;
1904		2107
		2108	my $f = new_from_file cf::object::thawer $self->{load_path};
		2109	$f->skip_block;
1905	$self->_load_objects ($self->{load_path}, 1)	2110	$self->_load_objects ($f)
1906	or return;	2111	or return;
1907		2112
1908	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2113	$self->post_load_original
1909	if delete $self->{load_original};	2114	if delete $self->{load_original};
1910		2115
1911	if (my $uniq = $self->uniq_path) {	2116	if (my $uniq = $self->uniq_path) {
1912	utf8::encode $uniq;	2117	utf8::encode $uniq;
1913	if (aio_open $uniq, O_RDONLY, 0) {	2118	unless (aio_stat $uniq) {
		2119	if (my $f = new_from_file cf::object::thawer $uniq) {
1914	$self->clear_unique_items;	2120	$self->clear_unique_items;
1915	$self->_load_objects ($uniq, 0);	2121	$self->_load_objects ($f);
		2122	$f->resolve_delayed_derefs;
		2123	}
1916	}	2124	}
1917	}	2125	}
1918		2126
1919	Coro::cede;	2127	$f->resolve_delayed_derefs;
		2128
		2129	cf::cede_to_tick;
1920	# now do the right thing for maps	2130	# now do the right thing for maps
1921	$self->link_multipart_objects;	2131	$self->link_multipart_objects;
1922	$self->difficulty ($self->estimate_difficulty)	2132	$self->difficulty ($self->estimate_difficulty)
1923	unless $self->difficulty;	2133	unless $self->difficulty;
1924	Coro::cede;	2134	cf::cede_to_tick;
1925		2135
1926	unless ($self->{deny_activate}) {	2136	unless ($self->{deny_activate}) {
1927	$self->decay_objects;	2137	$self->decay_objects;
1928	$self->fix_auto_apply;	2138	$self->fix_auto_apply;
1929	$self->update_buttons;	2139	$self->update_buttons;
1930	Coro::cede;	2140	cf::cede_to_tick;
1931	$self->set_darkness_map;
1932	Coro::cede;
1933	$self->activate;	2141	$self->activate;
1934	}	2142	}
1935		2143
1936	$self->{last_save} = $cf::RUNTIME;	2144	$self->{last_save} = $cf::RUNTIME;
1937	$self->last_access ($cf::RUNTIME);	2145	$self->last_access ($cf::RUNTIME);
1938		2146
1939	$self->in_memory (cf::MAP_IN_MEMORY);	2147	$self->in_memory (cf::MAP_ACTIVE);
1940	}	2148	}
1941		2149
1942	$self->post_load;	2150	$self->post_load;
1943	}	2151	}
1944		2152
		2153	# customize the map for a given player, i.e.
		2154	# return the _real_ map. used by e.g. per-player
		2155	# maps to change the path to ~playername/mappath
1945	sub customise_for {	2156	sub customise_for {
1946	my ($self, $ob) = @_;	2157	my ($self, $ob) = @_;
1947		2158
1948	return find "~" . $ob->name . "/" . $self->{path}	2159	return find "~" . $ob->name . "/" . $self->{path}
1949	if $self->per_player;	2160	if $self->per_player;
…		…
1953		2164
1954	$self	2165	$self
1955	}	2166	}
1956		2167
1957	# find and load all maps in the 3x3 area around a map	2168	# find and load all maps in the 3x3 area around a map
1958	sub load_diag {	2169	sub load_neighbours {
1959	my ($map) = @_;	2170	my ($map) = @_;
1960		2171
1961	my @diag; # diagonal neighbours	2172	my @neigh; # diagonal neighbours
1962		2173
1963	for (0 .. 3) {	2174	for (0 .. 3) {
1964	my $neigh = $map->tile_path ($_)	2175	my $neigh = $map->tile_path ($_)
1965	or next;	2176	or next;
1966	$neigh = find $neigh, $map	2177	$neigh = find $neigh, $map
1967	or next;	2178	or next;
1968	$neigh->load;	2179	$neigh->load;
1969		2180
		2181	# now find the diagonal neighbours
		2182	push @neigh,
1970	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2183	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1971	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2184	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1972	}	2185	}
1973		2186
1974	for (@diag) {	2187	for (grep defined $_->[0], @neigh) {
		2188	my ($path, $origin) = @$_;
1975	my $neigh = find @$_	2189	my $neigh = find $path, $origin
1976	or next;	2190	or next;
1977	$neigh->load;	2191	$neigh->load;
1978	}	2192	}
1979	}	2193	}
1980		2194
1981	sub find_sync {	2195	sub find_sync {
1982	my ($path, $origin) = @_;	2196	my ($path, $origin) = @_;
1983		2197
1984	cf::sync_job { find $path, $origin }	2198	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2199	if $Coro::current == $Coro::main;
		2200
		2201	find $path, $origin
1985	}	2202	}
1986		2203
1987	sub do_load_sync {	2204	sub do_load_sync {
1988	my ($map) = @_;	2205	my ($map) = @_;
1989		2206
1990	cf::sync_job { $map->load };	2207	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2208	if $Coro::current == $Coro::main;
		2209
		2210	$map->load;
1991	}	2211	}
1992		2212
1993	our %MAP_PREFETCH;	2213	our %MAP_PREFETCH;
1994	our $MAP_PREFETCHER = undef;	2214	our $MAP_PREFETCHER = undef;
1995		2215
1996	sub find_async {	2216	sub find_async {
1997	my ($path, $origin) = @_;	2217	my ($path, $origin, $load) = @_;
1998		2218
1999	$path = normalise $path, $origin && $origin->{path};	2219	$path = normalise $path, $origin && $origin->{path};
2000		2220
2001	if (my $map = $cf::MAP{$path}) {	2221	if (my $map = $cf::MAP{$path}) {
2002	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2222	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2003	}	2223	}
2004		2224
2005	undef $MAP_PREFETCH{$path};	2225	$MAP_PREFETCH{$path} |= $load;
		2226
2006	$MAP_PREFETCHER ||= cf::async {	2227	$MAP_PREFETCHER ||= cf::async {
		2228	$Coro::current->{desc} = "map prefetcher";
		2229
2007	while (%MAP_PREFETCH) {	2230	while (%MAP_PREFETCH) {
2008	for my $path (keys %MAP_PREFETCH) {	2231	while (my ($k, $v) = each %MAP_PREFETCH) {
2009	if (my $map = find $path) {	2232	if (my $map = find $k) {
2010	$map->load;	2233	$map->load if $v;
2011	}	2234	}
2012		2235
2013	delete $MAP_PREFETCH{$path};	2236	delete $MAP_PREFETCH{$k};
2014	}	2237	}
2015	}	2238	}
2016	undef $MAP_PREFETCHER;	2239	undef $MAP_PREFETCHER;
2017	};	2240	};
2018	$MAP_PREFETCHER->prio (6);	2241	$MAP_PREFETCHER->prio (6);
2019		2242
2020	()	2243	()
2021	}	2244	}
2022		2245
		2246	# common code, used by both ->save and ->swapout
2023	sub save {	2247	sub _save {
2024	my ($self) = @_;	2248	my ($self) = @_;
2025
2026	my $lock = cf::lock_acquire "map_data:" . $self->path;
2027		2249
2028	$self->{last_save} = $cf::RUNTIME;	2250	$self->{last_save} = $cf::RUNTIME;
2029		2251
2030	return unless $self->dirty;	2252	return unless $self->dirty;
2031		2253
…		…
2037	return if $self->{deny_save};	2259	return if $self->{deny_save};
2038		2260
2039	local $self->{last_access} = $self->last_access;#d#	2261	local $self->{last_access} = $self->last_access;#d#
2040		2262
2041	cf::async {	2263	cf::async {
		2264	$Coro::current->{desc} = "map player save";
2042	$_->contr->save for $self->players;	2265	$_->contr->save for $self->players;
2043	};	2266	};
		2267
		2268	cf::get_slot 0.02;
2044		2269
2045	if ($uniq) {	2270	if ($uniq) {
2046	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2271	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2047	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2272	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2048	} else {	2273	} else {
2049	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2274	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2050	}	2275	}
2051	}	2276	}
2052		2277
		2278	sub save {
		2279	my ($self) = @_;
		2280
		2281	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2282
		2283	$self->_save;
		2284	}
		2285
2053	sub swap_out {	2286	sub swap_out {
2054	my ($self) = @_;	2287	my ($self) = @_;
2055		2288
2056	# save first because save cedes
2057	$self->save;
2058
2059	my $lock = cf::lock_acquire "map_data:" . $self->path;	2289	my $lock = cf::lock_acquire "map_data:$self->{path}";
2060		2290
		2291	return if $self->in_memory != cf::MAP_ACTIVE;
		2292	return if $self->{deny_save};
2061	return if $self->players;	2293	return if $self->players;
2062	return if $self->in_memory != cf::MAP_IN_MEMORY;
2063	return if $self->{deny_save};
2064		2294
		2295	# first deactivate the map and "unlink" it from the core
		2296	$self->deactivate;
		2297	$_->clear_links_to ($self) for values %cf::MAP;
		2298	$self->in_memory (cf::MAP_SWAPPED);
		2299
		2300	# then atomically save
		2301	$self->_save;
		2302
		2303	# then free the map
2065	$self->clear;	2304	$self->clear;
2066	$self->in_memory (cf::MAP_SWAPPED);
2067	}	2305	}
2068		2306
2069	sub reset_at {	2307	sub reset_at {
2070	my ($self) = @_;	2308	my ($self) = @_;
2071		2309
…		…
2089		2327
2090	my $lock = cf::lock_acquire "map_data:$self->{path}";	2328	my $lock = cf::lock_acquire "map_data:$self->{path}";
2091		2329
2092	return if $self->players;	2330	return if $self->players;
2093		2331
2094	warn "resetting map ", $self->path;	2332	cf::trace "resetting map ", $self->path, "\n";
2095		2333
2096	$self->in_memory (cf::MAP_SWAPPED);	2334	$self->in_memory (cf::MAP_SWAPPED);
2097		2335
2098	# need to save uniques path	2336	# need to save uniques path
2099	unless ($self->{deny_save}) {	2337	unless ($self->{deny_save}) {
…		…
2103	if $uniq;	2341	if $uniq;
2104	}	2342	}
2105		2343
2106	delete $cf::MAP{$self->path};	2344	delete $cf::MAP{$self->path};
2107		2345
		2346	$self->deactivate;
		2347	$_->clear_links_to ($self) for values %cf::MAP;
2108	$self->clear;	2348	$self->clear;
2109
2110	$_->clear_links_to ($self) for values %cf::MAP;
2111		2349
2112	$self->unlink_save;	2350	$self->unlink_save;
2113	$self->destroy;	2351	$self->destroy;
2114	}	2352	}
2115		2353
2116	my $nuke_counter = "aaaa";	2354	my $nuke_counter = "aaaa";
2117		2355
2118	sub nuke {	2356	sub nuke {
2119	my ($self) = @_;	2357	my ($self) = @_;
2120		2358
		2359	{
		2360	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2361
2121	delete $cf::MAP{$self->path};	2362	delete $cf::MAP{$self->path};
2122		2363
2123	$self->unlink_save;	2364	$self->unlink_save;
2124		2365
2125	bless $self, "cf::map";	2366	bless $self, "cf::map::wrap";
2126	delete $self->{deny_reset};	2367	delete $self->{deny_reset};
2127	$self->{deny_save} = 1;	2368	$self->{deny_save} = 1;
2128	$self->reset_timeout (1);	2369	$self->reset_timeout (1);
2129	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2370	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2130		2371
2131	$cf::MAP{$self->path} = $self;	2372	$cf::MAP{$self->path} = $self;
		2373	}
2132		2374
2133	$self->reset; # polite request, might not happen	2375	$self->reset; # polite request, might not happen
2134	}	2376	}
2135		2377
2136	=item $maps = cf::map::tmp_maps	2378	=item $maps = cf::map::tmp_maps
…		…
2178		2420
2179	sub unique_maps() {	2421	sub unique_maps() {
2180	[	2422	[
2181	map {	2423	map {
2182	utf8::decode $_;	2424	utf8::decode $_;
2183	/\.map$/	2425	s/\.map$//; # TODO future compatibility hack
		2426	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2427	? ()
2184	? normalise $_	2428	: normalise $_
2185	: ()
2186	} @{ aio_readdir $UNIQUEDIR or [] }	2429	} @{ aio_readdir $UNIQUEDIR or [] }
2187	]	2430	]
2188	}	2431	}
2189		2432
2190	package cf;	2433	=item cf::map::static_maps
		2434
		2435	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2436	file in the shared directory excluding F</styles> and F</editor>). May
		2437	block.
		2438
		2439	=cut
		2440
		2441	sub static_maps() {
		2442	my @dirs = "";
		2443	my @maps;
		2444
		2445	while (@dirs) {
		2446	my $dir = shift @dirs;
		2447
		2448	next if $dir eq "/styles" || $dir eq "/editor";
		2449
		2450	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2451	or return;
		2452
		2453	for (@$files) {
		2454	s/\.map$// or next;
		2455	utf8::decode $_;
		2456	push @maps, "$dir/$_";
		2457	}
		2458
		2459	push @dirs, map "$dir/$_", @$dirs;
		2460	}
		2461
		2462	\@maps
		2463	}
2191		2464
2192	=back	2465	=back
2193		2466
2194	=head3 cf::object	2467	=head3 cf::object
2195		2468
…		…
2199		2472
2200	=over 4	2473	=over 4
2201		2474
2202	=item $ob->inv_recursive	2475	=item $ob->inv_recursive
2203		2476
2204	Returns the inventory of the object _and_ their inventories, recursively.	2477	Returns the inventory of the object I<and> their inventories, recursively,
		2478	but I<not> the object itself.
2205		2479
2206	=cut	2480	=cut
2207		2481
2208	sub inv_recursive_;	2482	sub inv_recursive_;
2209	sub inv_recursive_ {	2483	sub inv_recursive_ {
…		…
2212		2486
2213	sub inv_recursive {	2487	sub inv_recursive {
2214	inv_recursive_ inv $_[0]	2488	inv_recursive_ inv $_[0]
2215	}	2489	}
2216		2490
		2491	=item $ref = $ob->ref
		2492
		2493	Creates and returns a persistent reference to an object that can be stored as a string.
		2494
		2495	=item $ob = cf::object::deref ($refstring)
		2496
		2497	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2498	even if the object actually exists. May block.
		2499
		2500	=cut
		2501
		2502	sub deref {
		2503	my ($ref) = @_;
		2504
		2505	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2506	my ($uuid, $name) = ($1, $2);
		2507	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2508	or return;
		2509	$pl->ob->uuid eq $uuid
		2510	or return;
		2511
		2512	$pl->ob
		2513	} else {
		2514	warn "$ref: cannot resolve object reference\n";
		2515	undef
		2516	}
		2517	}
		2518
2217	package cf;	2519	package cf;
2218		2520
2219	=back	2521	=back
2220		2522
2221	=head3 cf::object::player	2523	=head3 cf::object::player
…		…
2227	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2529	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2228	can be C<undef>. Does the right thing when the player is currently in a	2530	can be C<undef>. Does the right thing when the player is currently in a
2229	dialogue with the given NPC character.	2531	dialogue with the given NPC character.
2230		2532
2231	=cut	2533	=cut
		2534
		2535	our $SAY_CHANNEL = {
		2536	id => "say",
		2537	title => "Map",
		2538	reply => "say ",
		2539	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2540	};
		2541
		2542	our $CHAT_CHANNEL = {
		2543	id => "chat",
		2544	title => "Chat",
		2545	reply => "chat ",
		2546	tooltip => "Player chat and shouts, global to the server.",
		2547	};
2232		2548
2233	# rough implementation of a future "reply" method that works	2549	# rough implementation of a future "reply" method that works
2234	# with dialog boxes.	2550	# with dialog boxes.
2235	#TODO: the first argument must go, split into a $npc->reply_to ( method	2551	#TODO: the first argument must go, split into a $npc->reply_to ( method
2236	sub cf::object::player::reply($$$;$) {	2552	sub cf::object::player::reply($$$;$) {
…		…
2248	my $dialog = $pl->{npc_dialog};	2564	my $dialog = $pl->{npc_dialog};
2249	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2565	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2250		2566
2251	} else {	2567	} else {
2252	$msg = $npc->name . " says: $msg" if $npc;	2568	$msg = $npc->name . " says: $msg" if $npc;
2253	$self->message ($msg, $flags);	2569	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2254	}	2570	}
2255	}	2571	}
2256	}	2572	}
2257		2573
2258	=item $object->send_msg ($channel, $msg, $color, [extra...])	2574	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2283		2599
2284	=item $player_object->enter_link	2600	=item $player_object->enter_link
2285		2601
2286	Freezes the player and moves him/her to a special map (C<{link}>).	2602	Freezes the player and moves him/her to a special map (C<{link}>).
2287		2603
2288	The player should be reasonably safe there for short amounts of time. You	2604	The player should be reasonably safe there for short amounts of time (e.g.
2289	I<MUST> call C<leave_link> as soon as possible, though.	2605	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2606	though, as the player cannot control the character while it is on the link
		2607	map.
2290		2608
2291	Will never block.	2609	Will never block.
2292		2610
2293	=item $player_object->leave_link ($map, $x, $y)	2611	=item $player_object->leave_link ($map, $x, $y)
2294		2612
…		…
2314	sub cf::object::player::enter_link {	2632	sub cf::object::player::enter_link {
2315	my ($self) = @_;	2633	my ($self) = @_;
2316		2634
2317	$self->deactivate_recursive;	2635	$self->deactivate_recursive;
2318		2636
		2637	++$self->{_link_recursion};
		2638
2319	return if UNIVERSAL::isa $self->map, "ext::map_link";	2639	return if UNIVERSAL::isa $self->map, "ext::map_link";
2320		2640
2321	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2641	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2322	if $self->map && $self->map->{path} ne "{link}";	2642	if $self->map && $self->map->{path} ne "{link}";
2323		2643
2324	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2644	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2325	}	2645	}
2326		2646
2327	sub cf::object::player::leave_link {	2647	sub cf::object::player::leave_link {
2328	my ($self, $map, $x, $y) = @_;	2648	my ($self, $map, $x, $y) = @_;
2329		2649
…		…
2346	($x, $y) = (-1, -1)	2666	($x, $y) = (-1, -1)
2347	unless (defined $x) && (defined $y);	2667	unless (defined $x) && (defined $y);
2348		2668
2349	# use -1 or undef as default coordinates, not 0, 0	2669	# use -1 or undef as default coordinates, not 0, 0
2350	($x, $y) = ($map->enter_x, $map->enter_y)	2670	($x, $y) = ($map->enter_x, $map->enter_y)
2351	if $x <=0 && $y <= 0;	2671	if $x <= 0 && $y <= 0;
2352		2672
2353	$map->load;	2673	$map->load;
2354	$map->load_diag;	2674	$map->load_neighbours;
2355		2675
2356	return unless $self->contr->active;	2676	return unless $self->contr->active;
2357	$self->activate_recursive;
2358		2677
2359	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2678	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2360	$self->enter_map ($map, $x, $y);	2679	if ($self->enter_map ($map, $x, $y)) {
2361	}	2680	# entering was successful
		2681	delete $self->{_link_recursion};
		2682	# only activate afterwards, to support waiting in hooks
		2683	$self->activate_recursive;
		2684	}
2362		2685
		2686	}
		2687
2363	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2688	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2364		2689
2365	Moves the player to the given map-path and coordinates by first freezing	2690	Moves the player to the given map-path and coordinates by first freezing
2366	her, loading and preparing them map, calling the provided $check callback	2691	her, loading and preparing them map, calling the provided $check callback
2367	that has to return the map if sucecssful, and then unfreezes the player on	2692	that has to return the map if sucecssful, and then unfreezes the player on
2368	the new (success) or old (failed) map position. In either case, $done will	2693	the new (success) or old (failed) map position. In either case, $done will
2369	be called at the end of this process.	2694	be called at the end of this process.
2370		2695
		2696	Note that $check will be called with a potentially non-loaded map, so if
		2697	it needs a loaded map it has to call C<< ->load >>.
		2698
2371	=cut	2699	=cut
2372		2700
2373	our $GOTOGEN;	2701	our $GOTOGEN;
2374		2702
2375	sub cf::object::player::goto {	2703	sub cf::object::player::goto {
2376	my ($self, $path, $x, $y, $check, $done) = @_;	2704	my ($self, $path, $x, $y, $check, $done) = @_;
2377		2705
		2706	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2707	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2708	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2709	($path, $x, $y) = @$EMERGENCY_POSITION;
		2710	}
		2711
2378	# do generation counting so two concurrent goto's will be executed in-order	2712	# do generation counting so two concurrent goto's will be executed in-order
2379	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2713	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2380		2714
2381	$self->enter_link;	2715	$self->enter_link;
2382		2716
2383	(async {	2717	(async {
		2718	$Coro::current->{desc} = "player::goto $path $x $y";
		2719
		2720	# *tag paths override both path and x|y
		2721	if ($path =~ /^\*(.*)$/) {
		2722	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2723	my $ob = $obs[rand @obs];
		2724
		2725	# see if we actually can go there
		2726	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2727	$ob = $obs[rand @obs];
		2728	} else {
		2729	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2730	}
		2731	# else put us there anyways for now #d#
		2732
		2733	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2734	} else {
		2735	($path, $x, $y) = (undef, undef, undef);
		2736	}
		2737	}
		2738
2384	my $map = eval {	2739	my $map = eval {
2385	my $map = cf::map::find $path;	2740	my $map = defined $path ? cf::map::find $path : undef;
2386		2741
2387	if ($map) {	2742	if ($map) {
2388	$map = $map->customise_for ($self);	2743	$map = $map->customise_for ($self);
2389	$map = $check->($map) if $check && $map;	2744	$map = $check->($map, $x, $y, $self) if $check && $map;
2390	} else {	2745	} else {
2391	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2746	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2392	}	2747	}
2393		2748
2394	$map	2749	$map
2395	};	2750	};
2396		2751
…		…
2402	if ($gen == $self->{_goto_generation}) {	2757	if ($gen == $self->{_goto_generation}) {
2403	delete $self->{_goto_generation};	2758	delete $self->{_goto_generation};
2404	$self->leave_link ($map, $x, $y);	2759	$self->leave_link ($map, $x, $y);
2405	}	2760	}
2406		2761
2407	$done->() if $done;	2762	$done->($self) if $done;
2408	})->prio (1);	2763	})->prio (1);
2409	}	2764	}
2410		2765
2411	=item $player_object->enter_exit ($exit_object)	2766	=item $player_object->enter_exit ($exit_object)
2412		2767
…		…
2432	}	2787	}
2433		2788
2434	sub prepare_random_map {	2789	sub prepare_random_map {
2435	my ($exit) = @_;	2790	my ($exit) = @_;
2436		2791
2437	my $guard = cf::lock_acquire "exit_prepare:$exit";
2438
2439	# all this does is basically replace the /! path by	2792	# all this does is basically replace the /! path by
2440	# a new random map path (?random/...) with a seed	2793	# a new random map path (?random/...) with a seed
2441	# that depends on the exit object	2794	# that depends on the exit object
2442		2795
2443	my $rmp = parse_random_map_params $exit->msg;	2796	my $rmp = parse_random_map_params $exit->msg;
…		…
2445	if ($exit->map) {	2798	if ($exit->map) {
2446	$rmp->{region} = $exit->region->name;	2799	$rmp->{region} = $exit->region->name;
2447	$rmp->{origin_map} = $exit->map->path;	2800	$rmp->{origin_map} = $exit->map->path;
2448	$rmp->{origin_x} = $exit->x;	2801	$rmp->{origin_x} = $exit->x;
2449	$rmp->{origin_y} = $exit->y;	2802	$rmp->{origin_y} = $exit->y;
		2803
		2804	$exit->map->touch;
2450	}	2805	}
2451		2806
2452	$rmp->{random_seed} ||= $exit->random_seed;	2807	$rmp->{random_seed} ||= $exit->random_seed;
2453		2808
2454	my $data = cf::to_json $rmp;	2809	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2455	my $md5 = Digest::MD5::md5_hex $data;	2810	my $md5 = Digest::MD5::md5_hex $data;
2456	my $meta = "$RANDOMDIR/$md5.meta";	2811	my $meta = "$RANDOMDIR/$md5.meta";
2457		2812
2458	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2813	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2459	aio_write $fh, 0, (length $data), $data, 0;	2814	aio_write $fh, 0, (length $data), $data, 0;
2460	undef $fh;	2815	undef $fh;
2461	aio_rename "$meta~", $meta;	2816	aio_rename "$meta~", $meta;
2462		2817
		2818	my $slaying = "?random/$md5";
		2819
		2820	if ($exit->valid) {
2463	$exit->slaying ("?random/$md5");	2821	$exit->slaying ("?random/$md5");
2464	$exit->msg (undef);	2822	$exit->msg (undef);
		2823	}
2465	}	2824	}
2466	}	2825	}
2467		2826
2468	sub cf::object::player::enter_exit {	2827	sub cf::object::player::enter_exit {
2469	my ($self, $exit) = @_;	2828	my ($self, $exit) = @_;
2470		2829
2471	return unless $self->type == cf::PLAYER;	2830	return unless $self->type == cf::PLAYER;
2472		2831
2473	if ($exit->slaying eq "/!") {
2474	#TODO: this should de-fi-ni-te-ly not be a sync-job
2475	# the problem is that $exit might not survive long enough
2476	# so it needs to be done right now, right here
2477	cf::sync_job { prepare_random_map $exit };
2478	}
2479
2480	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2481	my $hp = $exit->stats->hp;
2482	my $sp = $exit->stats->sp;
2483
2484	$self->enter_link;	2832	$self->enter_link;
2485		2833
2486	# if exit is damned, update players death & WoR home-position
2487	$self->contr->savebed ($slaying, $hp, $sp)
2488	if $exit->flag (FLAG_DAMNED);
2489
2490	(async {	2834	(async {
2491	$self->deactivate_recursive; # just to be sure	2835	$Coro::current->{desc} = "enter_exit";
		2836
2492	unless (eval {	2837	unless (eval {
		2838	$self->deactivate_recursive; # just to be sure
		2839
		2840	# random map handling
		2841	{
		2842	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2843
		2844	prepare_random_map $exit
		2845	if $exit->slaying eq "/!";
		2846	}
		2847
		2848	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2849	my $x = $exit->stats->hp;
		2850	my $y = $exit->stats->sp;
		2851
2493	$self->goto ($slaying, $hp, $sp);	2852	$self->goto ($map, $x, $y);
2494		2853
		2854	# if exit is damned, update players death & WoR home-position
		2855	$self->contr->savebed ($map, $x, $y)
		2856	if $exit->flag (cf::FLAG_DAMNED);
		2857
2495	1;	2858	1
2496	}) {	2859	}) {
2497	$self->message ("Something went wrong deep within the crossfire server. "	2860	$self->message ("Something went wrong deep within the deliantra server. "
2498	. "I'll try to bring you back to the map you were before. "	2861	. "I'll try to bring you back to the map you were before. "
2499	. "Please report this to the dungeon master!",	2862	. "Please report this to the dungeon master!",
2500	cf::NDI_UNIQUE | cf::NDI_RED);	2863	cf::NDI_UNIQUE | cf::NDI_RED);
2501		2864
2502	warn "ERROR in enter_exit: $@";	2865	error "ERROR in enter_exit: $@";
2503	$self->leave_link;	2866	$self->leave_link;
2504	}	2867	}
2505	})->prio (1);	2868	})->prio (1);
2506	}	2869	}
2507		2870
…		…
2519	sub cf::client::send_drawinfo {	2882	sub cf::client::send_drawinfo {
2520	my ($self, $text, $flags) = @_;	2883	my ($self, $text, $flags) = @_;
2521		2884
2522	utf8::encode $text;	2885	utf8::encode $text;
2523	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2886	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2887	}
		2888
		2889	=item $client->send_big_packet ($pkt)
		2890
		2891	Like C<send_packet>, but tries to compress large packets, and fragments
		2892	them as required.
		2893
		2894	=cut
		2895
		2896	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2897
		2898	sub cf::client::send_big_packet {
		2899	my ($self, $pkt) = @_;
		2900
		2901	# try lzf for large packets
		2902	$pkt = "lzf " . Compress::LZF::compress $pkt
		2903	if 1024 <= length $pkt and $self->{can_lzf};
		2904
		2905	# split very large packets
		2906	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2907	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2908	$pkt = "frag";
		2909	}
		2910
		2911	$self->send_packet ($pkt);
2524	}	2912	}
2525		2913
2526	=item $client->send_msg ($channel, $msg, $color, [extra...])	2914	=item $client->send_msg ($channel, $msg, $color, [extra...])
2527		2915
2528	Send a drawinfo or msg packet to the client, formatting the msg for the	2916	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2530	the message, with C<log> being the default. If C<$color> is negative, suppress	2918	the message, with C<log> being the default. If C<$color> is negative, suppress
2531	the message unless the client supports the msg packet.	2919	the message unless the client supports the msg packet.
2532		2920
2533	=cut	2921	=cut
2534		2922
		2923	# non-persistent channels (usually the info channel)
		2924	our %CHANNEL = (
		2925	"c/motd" => {
		2926	id => "infobox",
		2927	title => "MOTD",
		2928	reply => undef,
		2929	tooltip => "The message of the day",
		2930	},
		2931	"c/identify" => {
		2932	id => "infobox",
		2933	title => "Identify",
		2934	reply => undef,
		2935	tooltip => "Items recently identified",
		2936	},
		2937	"c/examine" => {
		2938	id => "infobox",
		2939	title => "Examine",
		2940	reply => undef,
		2941	tooltip => "Signs and other items you examined",
		2942	},
		2943	"c/shopinfo" => {
		2944	id => "infobox",
		2945	title => "Shop Info",
		2946	reply => undef,
		2947	tooltip => "What your bargaining skill tells you about the shop",
		2948	},
		2949	"c/book" => {
		2950	id => "infobox",
		2951	title => "Book",
		2952	reply => undef,
		2953	tooltip => "The contents of a note or book",
		2954	},
		2955	"c/lookat" => {
		2956	id => "infobox",
		2957	title => "Look",
		2958	reply => undef,
		2959	tooltip => "What you saw there",
		2960	},
		2961	"c/who" => {
		2962	id => "infobox",
		2963	title => "Players",
		2964	reply => undef,
		2965	tooltip => "Shows players who are currently online",
		2966	},
		2967	"c/body" => {
		2968	id => "infobox",
		2969	title => "Body Parts",
		2970	reply => undef,
		2971	tooltip => "Shows which body parts you posess and are available",
		2972	},
		2973	"c/statistics" => {
		2974	id => "infobox",
		2975	title => "Statistics",
		2976	reply => undef,
		2977	tooltip => "Shows your primary statistics",
		2978	},
		2979	"c/skills" => {
		2980	id => "infobox",
		2981	title => "Skills",
		2982	reply => undef,
		2983	tooltip => "Shows your experience per skill and item power",
		2984	},
		2985	"c/shopitems" => {
		2986	id => "infobox",
		2987	title => "Shop Items",
		2988	reply => undef,
		2989	tooltip => "Shows the items currently for sale in this shop",
		2990	},
		2991	"c/resistances" => {
		2992	id => "infobox",
		2993	title => "Resistances",
		2994	reply => undef,
		2995	tooltip => "Shows your resistances",
		2996	},
		2997	"c/pets" => {
		2998	id => "infobox",
		2999	title => "Pets",
		3000	reply => undef,
		3001	tooltip => "Shows information abotu your pets/a specific pet",
		3002	},
		3003	"c/perceiveself" => {
		3004	id => "infobox",
		3005	title => "Perceive Self",
		3006	reply => undef,
		3007	tooltip => "You gained detailed knowledge about yourself",
		3008	},
		3009	"c/uptime" => {
		3010	id => "infobox",
		3011	title => "Uptime",
		3012	reply => undef,
		3013	tooltip => "How long the server has been running since last restart",
		3014	},
		3015	"c/mapinfo" => {
		3016	id => "infobox",
		3017	title => "Map Info",
		3018	reply => undef,
		3019	tooltip => "Information related to the maps",
		3020	},
		3021	"c/party" => {
		3022	id => "party",
		3023	title => "Party",
		3024	reply => "gsay ",
		3025	tooltip => "Messages and chat related to your party",
		3026	},
		3027	"c/death" => {
		3028	id => "death",
		3029	title => "Death",
		3030	reply => undef,
		3031	tooltip => "Reason for and more info about your most recent death",
		3032	},
		3033	"c/say" => $SAY_CHANNEL,
		3034	"c/chat" => $CHAT_CHANNEL,
		3035	);
		3036
2535	sub cf::client::send_msg {	3037	sub cf::client::send_msg {
2536	my ($self, $channel, $msg, $color, @extra) = @_;	3038	my ($self, $channel, $msg, $color, @extra) = @_;
2537		3039
2538	$msg = $self->pl->expand_cfpod ($msg);	3040	$msg = $self->pl->expand_cfpod ($msg)
		3041	unless $color & cf::NDI_VERBATIM;
2539		3042
2540	$color &= cf::NDI_CLIENT_MASK; # just in case...	3043	$color &= cf::NDI_CLIENT_MASK; # just in case...
2541		3044
		3045	# check predefined channels, for the benefit of C
		3046	if ($CHANNEL{$channel}) {
		3047	$channel = $CHANNEL{$channel};
		3048
		3049	$self->ext_msg (channel_info => $channel);
		3050	$channel = $channel->{id};
		3051
2542	if (ref $channel) {	3052	} elsif (ref $channel) {
2543	# send meta info to client, if not yet sent	3053	# send meta info to client, if not yet sent
2544	unless (exists $self->{channel}{$channel->{id}}) {	3054	unless (exists $self->{channel}{$channel->{id}}) {
2545	$self->{channel}{$channel->{id}} = $channel;	3055	$self->{channel}{$channel->{id}} = $channel;
2546	$self->ext_msg (channel_info => $channel);	3056	$self->ext_msg (channel_info => $channel);
2547	}	3057	}
…		…
2549	$channel = $channel->{id};	3059	$channel = $channel->{id};
2550	}	3060	}
2551		3061
2552	return unless @extra || length $msg;	3062	return unless @extra || length $msg;
2553		3063
2554	if ($self->can_msg) {
2555	# default colour, mask it out	3064	# default colour, mask it out
2556	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3065	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2557	if $color & cf::NDI_DEF;	3066	if $color & cf::NDI_DEF;
2558		3067
2559	$self->send_packet ("msg " . $self->{json_coder}->encode (	3068	my $pkt = "msg "
		3069	. $self->{json_coder}->encode (
2560	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3070	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2561	} else {	3071	);
2562	if ($color >= 0) {
2563	# replace some tags by gcfclient-compatible ones
2564	for ($msg) {
2565	1 while
2566	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2567	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2568	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2569	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2570	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2571	}
2572		3072
2573	$color &= cf::NDI_COLOR_MASK;	3073	$self->send_big_packet ($pkt);
2574
2575	utf8::encode $msg;
2576
2577	if (0 && $msg =~ /\[/) {
2578	$self->send_packet ("drawextinfo $color 4 0 $msg")
2579	} else {
2580	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2581	$self->send_packet ("drawinfo $color $msg")
2582	}
2583	}
2584	}
2585	}	3074	}
2586		3075
2587	=item $client->ext_msg ($type, @msg)	3076	=item $client->ext_msg ($type, @msg)
2588		3077
2589	Sends an ext event to the client.	3078	Sends an ext event to the client.
…		…
2591	=cut	3080	=cut
2592		3081
2593	sub cf::client::ext_msg($$@) {	3082	sub cf::client::ext_msg($$@) {
2594	my ($self, $type, @msg) = @_;	3083	my ($self, $type, @msg) = @_;
2595		3084
2596	my $extcmd = $self->extcmd;
2597
2598	if ($extcmd == 2) {	3085	if ($self->extcmd == 2) {
2599	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3086	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2600	} elsif ($extcmd == 1) { # TODO: remove	3087	} elsif ($self->extcmd == 1) { # TODO: remove
2601	push @msg, msgtype => "event_$type";	3088	push @msg, msgtype => "event_$type";
2602	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3089	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3090	}
		3091	}
		3092
		3093	=item $client->ext_reply ($msgid, @msg)
		3094
		3095	Sends an ext reply to the client.
		3096
		3097	=cut
		3098
		3099	sub cf::client::ext_reply($$@) {
		3100	my ($self, $id, @msg) = @_;
		3101
		3102	if ($self->extcmd == 2) {
		3103	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3104	} elsif ($self->extcmd == 1) {
		3105	#TODO: version 1, remove
		3106	unshift @msg, msgtype => "reply", msgid => $id;
		3107	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2603	}	3108	}
2604	}	3109	}
2605		3110
2606	=item $success = $client->query ($flags, "text", \&cb)	3111	=item $success = $client->query ($flags, "text", \&cb)
2607		3112
…		…
2668	my ($type, $reply, @payload) =	3173	my ($type, $reply, @payload) =
2669	"ARRAY" eq ref $msg	3174	"ARRAY" eq ref $msg
2670	? @$msg	3175	? @$msg
2671	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	3176	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2672		3177
		3178	my @reply;
		3179
2673	if (my $cb = $EXTICMD{$type}) {	3180	if (my $cb = $EXTICMD{$type}) {
2674	my @reply = $cb->($ns, @payload);	3181	@reply = $cb->($ns, @payload);
2675
2676	$ns->ext_reply ($reply, @reply)
2677	if $reply;
2678	}	3182	}
		3183
		3184	$ns->ext_reply ($reply, @reply)
		3185	if $reply;
		3186
2679	} else {	3187	} else {
2680	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3188	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2681	}	3189	}
2682		3190
2683	cf::override;	3191	cf::override;
2684	},	3192	},
2685	);	3193	);
…		…
2705		3213
2706	$coro	3214	$coro
2707	}	3215	}
2708		3216
2709	cf::client->attach (	3217	cf::client->attach (
2710	on_destroy => sub {	3218	on_client_destroy => sub {
2711	my ($ns) = @_;	3219	my ($ns) = @_;
2712		3220
2713	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3221	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2714	},	3222	},
2715	);	3223	);
…		…
2731	our $safe_hole = new Safe::Hole;	3239	our $safe_hole = new Safe::Hole;
2732		3240
2733	$SIG{FPE} = 'IGNORE';	3241	$SIG{FPE} = 'IGNORE';
2734		3242
2735	$safe->permit_only (Opcode::opset qw(	3243	$safe->permit_only (Opcode::opset qw(
2736	:base_core :base_mem :base_orig :base_math	3244	:base_core :base_mem :base_orig :base_math :base_loop
2737	grepstart grepwhile mapstart mapwhile	3245	grepstart grepwhile mapstart mapwhile
2738	sort time	3246	sort time
2739	));	3247	));
2740		3248
2741	# here we export the classes and methods available to script code	3249	# here we export the classes and methods available to script code
…		…
2743	=pod	3251	=pod
2744		3252
2745	The following functions and methods are available within a safe environment:	3253	The following functions and methods are available within a safe environment:
2746		3254
2747	cf::object	3255	cf::object
2748	contr pay_amount pay_player map x y force_find force_add	3256	contr pay_amount pay_player map x y force_find force_add destroy
2749	insert remove	3257	insert remove name archname title slaying race decrease split
		3258	value
2750		3259
2751	cf::object::player	3260	cf::object::player
2752	player	3261	player
2753		3262
2754	cf::player	3263	cf::player
…		…
2759		3268
2760	=cut	3269	=cut
2761		3270
2762	for (	3271	for (
2763	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3272	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2764	insert remove inv)],	3273	insert remove inv nrof name archname title slaying race
		3274	decrease split destroy change_exp value msg lore send_msg)],
2765	["cf::object::player" => qw(player)],	3275	["cf::object::player" => qw(player)],
2766	["cf::player" => qw(peaceful)],	3276	["cf::player" => qw(peaceful send_msg)],
2767	["cf::map" => qw(trigger)],	3277	["cf::map" => qw(trigger)],
2768	) {	3278	) {
2769	no strict 'refs';	3279	no strict 'refs';
2770	my ($pkg, @funs) = @$_;	3280	my ($pkg, @funs) = @$_;
2771	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3281	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2789		3299
2790	my $qcode = $code;	3300	my $qcode = $code;
2791	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3301	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2792	$qcode =~ s/\n/\\n/g;	3302	$qcode =~ s/\n/\\n/g;
2793		3303
		3304	%vars = (_dummy => 0) unless %vars;
		3305
		3306	my @res;
2794	local $_;	3307	local $_;
2795	local @safe::cf::_safe_eval_args = values %vars;
2796		3308
2797	my $eval =	3309	my $eval =
2798	"do {\n"	3310	"do {\n"
2799	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3311	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2800	. "#line 0 \"{$qcode}\"\n"	3312	. "#line 0 \"{$qcode}\"\n"
2801	. $code	3313	. $code
2802	. "\n}"	3314	. "\n}"
2803	;	3315	;
2804		3316
		3317	if ($CFG{safe_eval}) {
2805	sub_generation_inc;	3318	sub_generation_inc;
		3319	local @safe::cf::_safe_eval_args = values %vars;
2806	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3320	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2807	sub_generation_inc;	3321	sub_generation_inc;
		3322	} else {
		3323	local @cf::_safe_eval_args = values %vars;
		3324	@res = wantarray ? eval eval : scalar eval $eval;
		3325	}
2808		3326
2809	if ($@) {	3327	if ($@) {
2810	warn "$@";	3328	warn "$@",
2811	warn "while executing safe code '$code'\n";	3329	"while executing safe code '$code'\n",
2812	warn "with arguments " . (join " ", %vars) . "\n";	3330	"with arguments " . (join " ", %vars) . "\n";
2813	}	3331	}
2814		3332
2815	wantarray ? @res : $res[0]	3333	wantarray ? @res : $res[0]
2816	}	3334	}
2817		3335
…		…
2831	=cut	3349	=cut
2832		3350
2833	sub register_script_function {	3351	sub register_script_function {
2834	my ($fun, $cb) = @_;	3352	my ($fun, $cb) = @_;
2835		3353
2836	no strict 'refs';	3354	$fun = "safe::$fun" if $CFG{safe_eval};
2837	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3355	*$fun = $safe_hole->wrap ($cb);
2838	}	3356	}
2839		3357
2840	=back	3358	=back
2841		3359
2842	=cut	3360	=cut
…		…
2845	# the server's init and main functions	3363	# the server's init and main functions
2846		3364
2847	sub load_facedata($) {	3365	sub load_facedata($) {
2848	my ($path) = @_;	3366	my ($path) = @_;
2849		3367
		3368	# HACK to clear player env face cache, we need some signal framework
		3369	# for this (global event?)
		3370	%ext::player_env::MUSIC_FACE_CACHE = ();
		3371
		3372	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3373
2850	warn "loading facedata from $path\n";	3374	trace "loading facedata from $path\n";
2851		3375
2852	my $facedata;	3376	my $facedata;
2853	0 < aio_load $path, $facedata	3377	0 < aio_load $path, $facedata
2854	or die "$path: $!";	3378	or die "$path: $!";
2855		3379
2856	$facedata = Coro::Storable::thaw $facedata;	3380	$facedata = Coro::Storable::thaw $facedata;
2857		3381
2858	$facedata->{version} == 2	3382	$facedata->{version} == 2
2859	or cf::cleanup "$path: version mismatch, cannot proceed.";	3383	or cf::cleanup "$path: version mismatch, cannot proceed.";
2860		3384
		3385	# patch in the exptable
		3386	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3387	$facedata->{resource}{"res/exp_table"} = {
		3388	type => FT_RSRC,
		3389	data => $exp_table,
		3390	hash => (Digest::MD5::md5 $exp_table),
		3391	};
		3392	cf::cede_to_tick;
		3393
2861	{	3394	{
2862	my $faces = $facedata->{faceinfo};	3395	my $faces = $facedata->{faceinfo};
2863		3396
2864	while (my ($face, $info) = each %$faces) {	3397	while (my ($face, $info) = each %$faces) {
2865	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3398	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3399
2866	cf::face::set_visibility $idx, $info->{visibility};	3400	cf::face::set_visibility $idx, $info->{visibility};
2867	cf::face::set_magicmap $idx, $info->{magicmap};	3401	cf::face::set_magicmap $idx, $info->{magicmap};
2868	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3402	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2869	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3403	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2870		3404
2871	cf::cede_to_tick;	3405	cf::cede_to_tick;
2872	}	3406	}
2873		3407
2874	while (my ($face, $info) = each %$faces) {	3408	while (my ($face, $info) = each %$faces) {
2875	next unless $info->{smooth};	3409	next unless $info->{smooth};
		3410
2876	my $idx = cf::face::find $face	3411	my $idx = cf::face::find $face
2877	or next;	3412	or next;
		3413
2878	if (my $smooth = cf::face::find $info->{smooth}) {	3414	if (my $smooth = cf::face::find $info->{smooth}) {
2879	cf::face::set_smooth $idx, $smooth;	3415	cf::face::set_smooth $idx, $smooth;
2880	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3416	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2881	} else {	3417	} else {
2882	warn "smooth face '$info->{smooth}' not found for face '$face'";	3418	error "smooth face '$info->{smooth}' not found for face '$face'";
2883	}	3419	}
2884		3420
2885	cf::cede_to_tick;	3421	cf::cede_to_tick;
2886	}	3422	}
2887	}	3423	}
…		…
2896		3432
2897	cf::anim::invalidate_all; # d'oh	3433	cf::anim::invalidate_all; # d'oh
2898	}	3434	}
2899		3435
2900	{	3436	{
2901	# TODO: for gcfclient pleasure, we should give resources
2902	# that gcfclient doesn't grok a >10000 face index.
2903	my $res = $facedata->{resource};	3437	my $res = $facedata->{resource};
2904	my $enc = JSON::XS->new->utf8->canonical;
2905
2906	my $soundconf = delete $res->{"res/sound.conf"};
2907		3438
2908	while (my ($name, $info) = each %$res) {	3439	while (my ($name, $info) = each %$res) {
2909	my $meta = $enc->encode ({	3440	if (defined $info->{type}) {
2910	name => $name,
2911	%{ $info->{meta} || {} },
2912	});
2913
2914	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3441	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2915		3442
2916	if ($info->{type} & 1) {
2917	# prepend meta info
2918
2919	my $data = pack "(w/a*)*", $meta, $info->{data};
2920	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2921
2922	cf::face::set_data $idx, 0, $data, $chk;	3443	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3444	cf::face::set_type $idx, $info->{type};
2923	} else {	3445	} else {
2924	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};	3446	$RESOURCE{$name} = $info; # unused
2925	}	3447	}
2926		3448
2927	cf::face::set_type $idx, $info->{type};
2928
2929	cf::cede_to_tick;	3449	cf::cede_to_tick;
2930	}	3450	}
2931
2932	if ($soundconf) {
2933	$soundconf = $enc->decode (delete $soundconf->{data});
2934
2935	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2936	my $sound = $soundconf->{compat}[$_]
2937	or next;
2938
2939	my $face = cf::face::find "sound/$sound->[1]";
2940	cf::sound::set $sound->[0] => $face;
2941	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2942	}
2943
2944	while (my ($k, $v) = each %{$soundconf->{event}}) {
2945	my $face = cf::face::find "sound/$v";
2946	cf::sound::set $k => $face;
2947	}
2948	}
2949	}	3451	}
		3452
		3453	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2950		3454
2951	1	3455	1
2952	}	3456	}
2953		3457
2954	register_exticmd fx_want => sub {	3458	register_exticmd fx_want => sub {
…		…
2957	while (my ($k, $v) = each %$want) {	3461	while (my ($k, $v) = each %$want) {
2958	$ns->fx_want ($k, $v);	3462	$ns->fx_want ($k, $v);
2959	}	3463	}
2960	};	3464	};
2961		3465
		3466	sub load_resource_file($) {
		3467	my $guard = lock_acquire "load_resource_file";
		3468
		3469	my $status = load_resource_file_ $_[0];
		3470	get_slot 0.1, 100;
		3471	cf::arch::commit_load;
		3472
		3473	$status
		3474	}
		3475
2962	sub reload_regions {	3476	sub reload_regions {
		3477	# HACK to clear player env face cache, we need some signal framework
		3478	# for this (global event?)
		3479	%ext::player_env::MUSIC_FACE_CACHE = ();
		3480
2963	load_resource_file "$MAPDIR/regions"	3481	load_resource_file "$MAPDIR/regions"
2964	or die "unable to load regions file\n";	3482	or die "unable to load regions file\n";
2965		3483
2966	for (cf::region::list) {	3484	for (cf::region::list) {
2967	$_->{match} = qr/$_->{match}/	3485	$_->{match} = qr/$_->{match}/
…		…
2975	}	3493	}
2976		3494
2977	sub reload_archetypes {	3495	sub reload_archetypes {
2978	load_resource_file "$DATADIR/archetypes"	3496	load_resource_file "$DATADIR/archetypes"
2979	or die "unable to load archetypes\n";	3497	or die "unable to load archetypes\n";
2980	#d# NEED to laod twice to resolve forward references
2981	# this really needs to be done in an extra post-pass
2982	# (which needs to be synchronous, so solve it differently)
2983	load_resource_file "$DATADIR/archetypes"
2984	or die "unable to load archetypes\n";
2985	}	3498	}
2986		3499
2987	sub reload_treasures {	3500	sub reload_treasures {
2988	load_resource_file "$DATADIR/treasures"	3501	load_resource_file "$DATADIR/treasures"
2989	or die "unable to load treasurelists\n";	3502	or die "unable to load treasurelists\n";
2990	}	3503	}
2991		3504
		3505	sub reload_sound {
		3506	trace "loading sound config from $DATADIR/sound\n";
		3507
		3508	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3509	or die "$DATADIR/sound $!";
		3510
		3511	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3512
		3513	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3514	my $sound = $soundconf->{compat}[$_]
		3515	or next;
		3516
		3517	my $face = cf::face::find "sound/$sound->[1]";
		3518	cf::sound::set $sound->[0] => $face;
		3519	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3520	}
		3521
		3522	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3523	my $face = cf::face::find "sound/$v";
		3524	cf::sound::set $k => $face;
		3525	}
		3526	}
		3527
2992	sub reload_resources {	3528	sub reload_resources {
2993	warn "reloading resource files...\n";	3529	trace "reloading resource files...\n";
2994		3530
		3531	reload_facedata;
		3532	reload_sound;
		3533	reload_archetypes;
2995	reload_regions;	3534	reload_regions;
2996	reload_facedata;
2997	#reload_archetypes;#d#
2998	reload_archetypes;
2999	reload_treasures;	3535	reload_treasures;
3000		3536
3001	warn "finished reloading resource files\n";	3537	trace "finished reloading resource files\n";
3002	}	3538	}
3003		3539
3004	sub init {	3540	sub reload_config {
3005	reload_resources;	3541	trace "reloading config file...\n";
3006	}
3007		3542
3008	sub cfg_load {
3009	open my $fh, "<:utf8", "$CONFDIR/config"	3543	open my $fh, "<:utf8", "$CONFDIR/config"
3010	or return;	3544	or return;
3011		3545
3012	local $/;	3546	local $/;
3013	*CFG = YAML::Syck::Load <$fh>;	3547	*CFG = YAML::XS::Load scalar <$fh>;
3014		3548
3015	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3549	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3016		3550
3017	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3551	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3018	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3552	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3019		3553
3020	if (exists $CFG{mlockall}) {	3554	if (exists $CFG{mlockall}) {
…		…
3022	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3556	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
3023	and die "WARNING: m(un)lockall failed: $!\n";	3557	and die "WARNING: m(un)lockall failed: $!\n";
3024	};	3558	};
3025	warn $@ if $@;	3559	warn $@ if $@;
3026	}	3560	}
		3561
		3562	trace "finished reloading resource files\n";
		3563	}
		3564
		3565	sub pidfile() {
		3566	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3567	or die "$PIDFILE: $!";
		3568	flock $fh, &Fcntl::LOCK_EX
		3569	or die "$PIDFILE: flock: $!";
		3570	$fh
		3571	}
		3572
		3573	# make sure only one server instance is running at any one time
		3574	sub atomic {
		3575	my $fh = pidfile;
		3576
		3577	my $pid = <$fh>;
		3578	kill 9, $pid if $pid > 0;
		3579
		3580	seek $fh, 0, 0;
		3581	print $fh $$;
		3582	}
		3583
		3584	sub main_loop {
		3585	trace "EV::loop starting\n";
		3586	if (1) {
		3587	EV::loop;
		3588	}
		3589	trace "EV::loop returned\n";
		3590	goto &main_loop unless $REALLY_UNLOOP;
3027	}	3591	}
3028		3592
3029	sub main {	3593	sub main {
		3594	cf::init_globals; # initialise logging
		3595
		3596	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3597	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3598	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3599	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3600
		3601	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3602
3030	# we must not ever block the main coroutine	3603	# we must not ever block the main coroutine
3031	local $Coro::idle = sub {	3604	local $Coro::idle = sub {
3032	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3605	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3033	(async {	3606	(async {
3034	Event::one_event;	3607	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3608	EV::loop EV::LOOP_ONESHOT;
3035	})->prio (Coro::PRIO_MAX);	3609	})->prio (Coro::PRIO_MAX);
3036	};	3610	};
3037		3611
3038	cfg_load;	3612	evthread_start IO::AIO::poll_fileno;
		3613
		3614	cf::sync_job {
		3615	cf::init_experience;
		3616	cf::init_anim;
		3617	cf::init_attackmess;
		3618	cf::init_dynamic;
		3619
		3620	cf::load_settings;
		3621	cf::load_materials;
		3622
		3623	reload_resources;
		3624	reload_config;
3039	db_init;	3625	db_init;
		3626
		3627	cf::init_uuid;
		3628	cf::init_signals;
		3629	cf::init_skills;
		3630
		3631	cf::init_beforeplay;
		3632
		3633	atomic;
		3634
3040	load_extensions;	3635	load_extensions;
3041		3636
3042	$TICK_WATCHER->start;	3637	utime time, time, $RUNTIMEFILE;
3043	Event::loop;	3638
		3639	# no (long-running) fork's whatsoever before this point(!)
		3640	use POSIX ();
		3641	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3642
		3643	(pop @POST_INIT)->(0) while @POST_INIT;
		3644	};
		3645
		3646	cf::object::thawer::errors_are_fatal 0;
		3647	info "parse errors in files are no longer fatal from this point on.\n";
		3648
		3649	main_loop;
3044	}	3650	}
3045		3651
3046	#############################################################################	3652	#############################################################################
3047	# initialisation and cleanup	3653	# initialisation and cleanup
3048		3654
3049	# install some emergency cleanup handlers	3655	# install some emergency cleanup handlers
3050	BEGIN {	3656	BEGIN {
		3657	our %SIGWATCHER = ();
3051	for my $signal (qw(INT HUP TERM)) {	3658	for my $signal (qw(INT HUP TERM)) {
3052	Event->signal (	3659	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3053	reentrant => 0,
3054	data => WF_AUTOCANCEL,
3055	signal => $signal,
3056	prio => 0,
3057	cb => sub {
3058	cf::cleanup "SIG$signal";	3660	cf::cleanup "SIG$signal";
3059	},
3060	);	3661	};
3061	}	3662	}
3062	}	3663	}
3063		3664
3064	sub write_runtime {	3665	sub write_runtime_sync {
3065	my $runtime = "$LOCALDIR/runtime";	3666	my $t0 = AE::time;
3066		3667
3067	# first touch the runtime file to show we are still running:	3668	# first touch the runtime file to show we are still running:
3068	# the fsync below can take a very very long time.	3669	# the fsync below can take a very very long time.
3069		3670
3070	IO::AIO::aio_utime $runtime, undef, undef;	3671	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3071		3672
3072	my $guard = cf::lock_acquire "write_runtime";	3673	my $guard = cf::lock_acquire "write_runtime";
3073		3674
3074	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3675	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3075	or return;	3676	or return;
3076		3677
3077	my $value = $cf::RUNTIME + 90 + 10;	3678	my $value = $cf::RUNTIME + 90 + 10;
3078	# 10 is the runtime save interval, for a monotonic clock	3679	# 10 is the runtime save interval, for a monotonic clock
3079	# 60 allows for the watchdog to kill the server.	3680	# 60 allows for the watchdog to kill the server.
…		…
3089	aio_utime $fh, undef, undef;	3690	aio_utime $fh, undef, undef;
3090		3691
3091	close $fh	3692	close $fh
3092	or return;	3693	or return;
3093		3694
3094	aio_rename "$runtime~", $runtime	3695	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3095	and return;	3696	and return;
3096		3697
3097	warn "runtime file written.\n";	3698	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3098		3699
3099	1	3700	1
		3701	}
		3702
		3703	our $uuid_lock;
		3704	our $uuid_skip;
		3705
		3706	sub write_uuid_sync($) {
		3707	$uuid_skip ||= $_[0];
		3708
		3709	return if $uuid_lock;
		3710	local $uuid_lock = 1;
		3711
		3712	my $uuid = "$LOCALDIR/uuid";
		3713
		3714	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3715	or return;
		3716
		3717	my $value = uuid_seq uuid_cur;
		3718
		3719	unless ($value) {
		3720	info "cowardly refusing to write zero uuid value!\n";
		3721	return;
		3722	}
		3723
		3724	my $value = uuid_str $value + $uuid_skip;
		3725	$uuid_skip = 0;
		3726
		3727	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3728	and return;
		3729
		3730	# always fsync - this file is important
		3731	aio_fsync $fh
		3732	and return;
		3733
		3734	close $fh
		3735	or return;
		3736
		3737	aio_rename "$uuid~", $uuid
		3738	and return;
		3739
		3740	trace "uuid file written ($value).\n";
		3741
		3742	1
		3743
		3744	}
		3745
		3746	sub write_uuid($$) {
		3747	my ($skip, $sync) = @_;
		3748
		3749	$sync ? write_uuid_sync $skip
		3750	: async { write_uuid_sync $skip };
3100	}	3751	}
3101		3752
3102	sub emergency_save() {	3753	sub emergency_save() {
3103	my $freeze_guard = cf::freeze_mainloop;	3754	my $freeze_guard = cf::freeze_mainloop;
3104		3755
3105	warn "enter emergency perl save\n";	3756	info "emergency_perl_save: enter\n";
		3757
		3758	# this is a trade-off: we want to be very quick here, so
		3759	# save all maps without fsync, and later call a global sync
		3760	# (which in turn might be very very slow)
		3761	local $USE_FSYNC = 0;
3106		3762
3107	cf::sync_job {	3763	cf::sync_job {
		3764	cf::write_runtime_sync; # external watchdog should not bark
		3765
3108	# use a peculiar iteration method to avoid tripping on perl	3766	# use a peculiar iteration method to avoid tripping on perl
3109	# refcount bugs in for. also avoids problems with players	3767	# refcount bugs in for. also avoids problems with players
3110	# and maps saved/destroyed asynchronously.	3768	# and maps saved/destroyed asynchronously.
3111	warn "begin emergency player save\n";	3769	info "emergency_perl_save: begin player save\n";
3112	for my $login (keys %cf::PLAYER) {	3770	for my $login (keys %cf::PLAYER) {
3113	my $pl = $cf::PLAYER{$login} or next;	3771	my $pl = $cf::PLAYER{$login} or next;
3114	$pl->valid or next;	3772	$pl->valid or next;
		3773	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3115	$pl->save;	3774	$pl->save;
3116	}	3775	}
3117	warn "end emergency player save\n";	3776	info "emergency_perl_save: end player save\n";
3118		3777
3119	warn "begin emergency map save\n";	3778	cf::write_runtime_sync; # external watchdog should not bark
		3779
		3780	info "emergency_perl_save: begin map save\n";
3120	for my $path (keys %cf::MAP) {	3781	for my $path (keys %cf::MAP) {
3121	my $map = $cf::MAP{$path} or next;	3782	my $map = $cf::MAP{$path} or next;
3122	$map->valid or next;	3783	$map->valid or next;
3123	$map->save;	3784	$map->save;
3124	}	3785	}
3125	warn "end emergency map save\n";	3786	info "emergency_perl_save: end map save\n";
3126		3787
3127	warn "begin emergency database checkpoint\n";	3788	cf::write_runtime_sync; # external watchdog should not bark
		3789
		3790	info "emergency_perl_save: begin database checkpoint\n";
3128	BDB::db_env_txn_checkpoint $DB_ENV;	3791	BDB::db_env_txn_checkpoint $DB_ENV;
3129	warn "end emergency database checkpoint\n";	3792	info "emergency_perl_save: end database checkpoint\n";
		3793
		3794	info "emergency_perl_save: begin write uuid\n";
		3795	write_uuid_sync 1;
		3796	info "emergency_perl_save: end write uuid\n";
		3797
		3798	cf::write_runtime_sync; # external watchdog should not bark
		3799
		3800	trace "emergency_perl_save: syncing database to disk";
		3801	BDB::db_env_txn_checkpoint $DB_ENV;
		3802
		3803	info "emergency_perl_save: starting sync\n";
		3804	IO::AIO::aio_sync sub {
		3805	info "emergency_perl_save: finished sync\n";
		3806	};
		3807
		3808	cf::write_runtime_sync; # external watchdog should not bark
		3809
		3810	trace "emergency_perl_save: flushing outstanding aio requests";
		3811	while (IO::AIO::nreqs || BDB::nreqs) {
		3812	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3813	}
		3814
		3815	cf::write_runtime_sync; # external watchdog should not bark
3130	};	3816	};
3131		3817
3132	warn "leave emergency perl save\n";	3818	info "emergency_perl_save: leave\n";
3133	}	3819	}
3134		3820
3135	sub post_cleanup {	3821	sub post_cleanup {
3136	my ($make_core) = @_;	3822	my ($make_core) = @_;
3137		3823
		3824	IO::AIO::flush;
		3825
3138	warn Carp::longmess "post_cleanup backtrace"	3826	error Carp::longmess "post_cleanup backtrace"
3139	if $make_core;	3827	if $make_core;
		3828
		3829	my $fh = pidfile;
		3830	unlink $PIDFILE if <$fh> == $$;
		3831	}
		3832
		3833	# a safer delete_package, copied from Symbol
		3834	sub clear_package($) {
		3835	my $pkg = shift;
		3836
		3837	# expand to full symbol table name if needed
		3838	unless ($pkg =~ /^main::.*::$/) {
		3839	$pkg = "main$pkg" if $pkg =~ /^::/;
		3840	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3841	$pkg .= '::' unless $pkg =~ /::$/;
		3842	}
		3843
		3844	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3845	my $stem_symtab = *{$stem}{HASH};
		3846
		3847	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3848	or return;
		3849
		3850	# clear all symbols
		3851	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3852	for my $name (keys %$leaf_symtab) {
		3853	_gv_clear *{"$pkg$name"};
		3854	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3855	}
3140	}	3856	}
3141		3857
3142	sub do_reload_perl() {	3858	sub do_reload_perl() {
3143	# can/must only be called in main	3859	# can/must only be called in main
3144	if ($Coro::current != $Coro::main) {	3860	if (in_main) {
3145	warn "can only reload from main coroutine";	3861	error "can only reload from main coroutine";
3146	return;	3862	return;
3147	}	3863	}
3148		3864
		3865	return if $RELOAD++;
		3866
		3867	my $t1 = AE::time;
		3868
		3869	while ($RELOAD) {
3149	warn "reloading...";	3870	info "reloading...";
3150		3871
3151	warn "entering sync_job";	3872	trace "entering sync_job";
3152		3873
3153	cf::sync_job {	3874	cf::sync_job {
3154	cf::write_runtime; # external watchdog should not bark
3155	cf::emergency_save;	3875	cf::emergency_save;
3156	cf::write_runtime; # external watchdog should not bark
3157		3876
3158	warn "syncing database to disk";
3159	BDB::db_env_txn_checkpoint $DB_ENV;
3160
3161	# if anything goes wrong in here, we should simply crash as we already saved
3162
3163	warn "cancelling all WF_AUTOCANCEL watchers";
3164	for (Event::all_watchers) {
3165	$_->cancel if $_->data & WF_AUTOCANCEL;
3166	}
3167
3168	warn "flushing outstanding aio requests";
3169	for (;;) {
3170	BDB::flush;
3171	IO::AIO::flush;
3172	Coro::cede;
3173	last unless IO::AIO::nreqs || BDB::nreqs;
3174	warn "iterate...";
3175	}
3176
3177	++$RELOAD;
3178
3179	warn "cancelling all extension coros";	3877	trace "cancelling all extension coros";
3180	$_->cancel for values %EXT_CORO;	3878	$_->cancel for values %EXT_CORO;
3181	%EXT_CORO = ();	3879	%EXT_CORO = ();
3182		3880
3183	warn "removing commands";	3881	trace "removing commands";
3184	%COMMAND = ();	3882	%COMMAND = ();
3185		3883
3186	warn "removing ext/exti commands";	3884	trace "removing ext/exti commands";
3187	%EXTCMD = ();	3885	%EXTCMD = ();
3188	%EXTICMD = ();	3886	%EXTICMD = ();
3189		3887
3190	warn "unloading/nuking all extensions";	3888	trace "unloading/nuking all extensions";
3191	for my $pkg (@EXTS) {	3889	for my $pkg (@EXTS) {
3192	warn "... unloading $pkg";	3890	trace "... unloading $pkg";
3193		3891
3194	if (my $cb = $pkg->can ("unload")) {	3892	if (my $cb = $pkg->can ("unload")) {
3195	eval {	3893	eval {
3196	$cb->($pkg);	3894	$cb->($pkg);
3197	1	3895	1
3198	} or warn "$pkg unloaded, but with errors: $@";	3896	} or error "$pkg unloaded, but with errors: $@";
		3897	}
		3898
		3899	trace "... clearing $pkg";
		3900	clear_package $pkg;
3199	}	3901	}
3200		3902
3201	warn "... nuking $pkg";
3202	Symbol::delete_package $pkg;
3203	}
3204
3205	warn "unloading all perl modules loaded from $LIBDIR";	3903	trace "unloading all perl modules loaded from $LIBDIR";
3206	while (my ($k, $v) = each %INC) {	3904	while (my ($k, $v) = each %INC) {
3207	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3905	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3208		3906
3209	warn "... unloading $k";	3907	trace "... unloading $k";
3210	delete $INC{$k};	3908	delete $INC{$k};
3211		3909
3212	$k =~ s/\.pm$//;	3910	$k =~ s/\.pm$//;
3213	$k =~ s/\//::/g;	3911	$k =~ s/\//::/g;
3214		3912
3215	if (my $cb = $k->can ("unload_module")) {	3913	if (my $cb = $k->can ("unload_module")) {
3216	$cb->();	3914	$cb->();
		3915	}
		3916
		3917	clear_package $k;
3217	}	3918	}
3218		3919
3219	Symbol::delete_package $k;
3220	}
3221
3222	warn "getting rid of safe::, as good as possible";	3920	trace "getting rid of safe::, as good as possible";
3223	Symbol::delete_package "safe::$_"	3921	clear_package "safe::$_"
3224	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3922	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3225		3923
3226	warn "unloading cf.pm \"a bit\"";	3924	trace "unloading cf.pm \"a bit\"";
3227	delete $INC{"cf.pm"};	3925	delete $INC{"cf.pm"};
3228	delete $INC{"cf/pod.pm"};	3926	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3229		3927
3230	# don't, removes xs symbols, too,	3928	# don't, removes xs symbols, too,
3231	# and global variables created in xs	3929	# and global variables created in xs
3232	#Symbol::delete_package __PACKAGE__;	3930	#clear_package __PACKAGE__;
3233		3931
3234	warn "unload completed, starting to reload now";	3932	info "unload completed, starting to reload now";
3235		3933
3236	warn "reloading cf.pm";	3934	trace "reloading cf.pm";
3237	require cf;	3935	require cf;
3238	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3936	cf::_connect_to_perl_1;
3239		3937
3240	warn "loading config and database again";	3938	trace "loading config and database again";
3241	cf::cfg_load;	3939	cf::reload_config;
3242		3940
3243	warn "loading extensions";	3941	trace "loading extensions";
3244	cf::load_extensions;	3942	cf::load_extensions;
3245		3943
		3944	if ($REATTACH_ON_RELOAD) {
3246	warn "reattaching attachments to objects/players";	3945	trace "reattaching attachments to objects/players";
3247	_global_reattach; # objects, sockets	3946	_global_reattach; # objects, sockets
3248	warn "reattaching attachments to maps";	3947	trace "reattaching attachments to maps";
3249	reattach $_ for values %MAP;	3948	reattach $_ for values %MAP;
3250	warn "reattaching attachments to players";	3949	trace "reattaching attachments to players";
3251	reattach $_ for values %PLAYER;	3950	reattach $_ for values %PLAYER;
		3951	}
3252		3952
		3953	trace "running post_init jobs";
		3954	(pop @POST_INIT)->(1) while @POST_INIT;
		3955
3253	warn "leaving sync_job";	3956	trace "leaving sync_job";
3254		3957
3255	1	3958	1
3256	} or do {	3959	} or do {
3257	warn $@;	3960	error $@;
3258	warn "error while reloading, exiting.";	3961	cf::cleanup "error while reloading, exiting.";
3259	exit 1;	3962	};
		3963
		3964	info "reloaded";
		3965	--$RELOAD;
3260	};	3966	}
3261		3967
3262	warn "reloaded";	3968	$t1 = AE::time - $t1;
		3969	info "reload completed in ${t1}s\n";
3263	};	3970	};
3264		3971
3265	our $RELOAD_WATCHER; # used only during reload	3972	our $RELOAD_WATCHER; # used only during reload
3266		3973
3267	sub reload_perl() {	3974	sub reload_perl() {
3268	# doing reload synchronously and two reloads happen back-to-back,	3975	# doing reload synchronously and two reloads happen back-to-back,
3269	# coro crashes during coro_state_free->destroy here.	3976	# coro crashes during coro_state_free->destroy here.
3270		3977
3271	$RELOAD_WATCHER ||= Event->timer (	3978	$RELOAD_WATCHER ||= cf::async {
3272	reentrant => 0,	3979	Coro::AIO::aio_wait cache_extensions;
3273	after => 0,	3980
3274	data => WF_AUTOCANCEL,	3981	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3275	cb => sub {
3276	do_reload_perl;	3982	do_reload_perl;
3277	undef $RELOAD_WATCHER;	3983	undef $RELOAD_WATCHER;
3278	},	3984	};
3279	);	3985	};
3280	}	3986	}
3281		3987
3282	register_command "reload" => sub {	3988	register_command "reload" => sub {
3283	my ($who, $arg) = @_;	3989	my ($who, $arg) = @_;
3284		3990
3285	if ($who->flag (FLAG_WIZ)) {	3991	if ($who->flag (FLAG_WIZ)) {
3286	$who->message ("reloading server.");	3992	$who->message ("reloading server.");
		3993	async {
		3994	$Coro::current->{desc} = "perl_reload";
3287	async { reload_perl };	3995	reload_perl;
		3996	};
3288	}	3997	}
3289	};	3998	};
3290		3999
3291	unshift @INC, $LIBDIR;	4000	unshift @INC, $LIBDIR;
3292		4001
…		…
3294		4003
3295	our @WAIT_FOR_TICK;	4004	our @WAIT_FOR_TICK;
3296	our @WAIT_FOR_TICK_BEGIN;	4005	our @WAIT_FOR_TICK_BEGIN;
3297		4006
3298	sub wait_for_tick {	4007	sub wait_for_tick {
3299	return unless $TICK_WATCHER->is_active;
3300	return if $Coro::current == $Coro::main;	4008	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3301		4009
3302	my $signal = new Coro::Signal;	4010	my $signal = new Coro::Signal;
3303	push @WAIT_FOR_TICK, $signal;	4011	push @WAIT_FOR_TICK, $signal;
3304	$signal->wait;	4012	$signal->wait;
3305	}	4013	}
3306		4014
3307	sub wait_for_tick_begin {	4015	sub wait_for_tick_begin {
3308	return unless $TICK_WATCHER->is_active;
3309	return if $Coro::current == $Coro::main;	4016	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3310		4017
3311	my $signal = new Coro::Signal;	4018	my $signal = new Coro::Signal;
3312	push @WAIT_FOR_TICK_BEGIN, $signal;	4019	push @WAIT_FOR_TICK_BEGIN, $signal;
3313	$signal->wait;	4020	$signal->wait;
3314	}	4021	}
3315		4022
3316	my $min = 1e6;#d#	4023	sub tick {
3317	my $avg = 10;
3318	$TICK_WATCHER = Event->timer (
3319	reentrant => 0,
3320	parked => 1,
3321	prio => 0,
3322	at => $NEXT_TICK || $TICK,
3323	data => WF_AUTOCANCEL,
3324	cb => sub {
3325	if ($Coro::current != $Coro::main) {	4024	if ($Coro::current != $Coro::main) {
3326	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4025	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3327	unless ++$bug_warning > 10;	4026	unless ++$bug_warning > 10;
3328	return;	4027	return;
3329	}	4028	}
3330		4029
3331	$NOW = $tick_start = Event::time;
3332
3333	cf::server_tick; # one server iteration	4030	cf::server_tick; # one server iteration
3334		4031
3335	0 && sync_job {#d#	4032	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3336	for(1..10) {
3337	my $t = Event::time;
3338	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3339	or die;
3340		4033
3341	$map->width (50);	4034	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3342	$map->height (50);	4035	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3343	$map->alloc;	4036	Coro::async_pool {
3344	$map->_load_objects ("/tmp/x.map", 1);	4037	$Coro::current->{desc} = "runtime saver";
3345	my $t = Event::time - $t;	4038	write_runtime_sync
3346		4039	or error "ERROR: unable to write runtime file: $!";
3347	#next unless $t < 0.0013;#d#
3348	if ($t < $min) {
3349	$min = $t;
3350	}
3351	$avg = $avg * 0.99 + $t * 0.01;
3352	}
3353	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3354	exit 0;
3355	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3356	};	4040	};
		4041	}
3357		4042
3358	$RUNTIME += $TICK;
3359	$NEXT_TICK += $TICK;
3360
3361	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3362	$NEXT_RUNTIME_WRITE = $NOW + 10;
3363	Coro::async_pool {
3364	write_runtime
3365	or warn "ERROR: unable to write runtime file: $!";
3366	};
3367	}
3368
3369	# my $AFTER = Event::time;
3370	# warn $AFTER - $NOW;#d#
3371
3372	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4043	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3373	$sig->send;	4044	$sig->send;
3374	}	4045	}
3375	while (my $sig = shift @WAIT_FOR_TICK) {	4046	while (my $sig = shift @WAIT_FOR_TICK) {
3376	$sig->send;	4047	$sig->send;
3377	}	4048	}
3378		4049
3379	$NOW = Event::time;	4050	$LOAD = ($NOW - $TICK_START) / $TICK;
3380
3381	# if we are delayed by four ticks or more, skip them all
3382	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3383
3384	$TICK_WATCHER->at ($NEXT_TICK);
3385	$TICK_WATCHER->start;
3386
3387	$LOAD = ($NOW - $tick_start) / $TICK;
3388	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4051	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3389		4052
3390	_post_tick;	4053	if (0) {
3391		4054	if ($NEXT_TICK) {
3392		4055	my $jitter = $TICK_START - $NEXT_TICK;
		4056	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4057	debug "jitter $JITTER\n";#d#
		4058	}
3393	},	4059	}
3394	);	4060	}
3395		4061
3396	{	4062	{
3397	BDB::max_poll_time $TICK * 0.1;	4063	# configure BDB
3398	$BDB_POLL_WATCHER = Event->io (	4064
3399	reentrant => 0,
3400	fd => BDB::poll_fileno,
3401	poll => 'r',
3402	prio => 0,
3403	data => WF_AUTOCANCEL,
3404	cb => \&BDB::poll_cb,
3405	);
3406	BDB::min_parallel 8;	4065	BDB::min_parallel 16;
3407		4066	BDB::max_poll_reqs $TICK * 0.1;
3408	BDB::set_sync_prepare {	4067	$AnyEvent::BDB::WATCHER->priority (1);
3409	my $status;
3410	my $current = $Coro::current;
3411	(
3412	sub {
3413	$status = $!;
3414	$current->ready; undef $current;
3415	},
3416	sub {
3417	Coro::schedule while defined $current;
3418	$! = $status;
3419	},
3420	)
3421	};
3422		4068
3423	unless ($DB_ENV) {	4069	unless ($DB_ENV) {
3424	$DB_ENV = BDB::db_env_create;	4070	$DB_ENV = BDB::db_env_create;
		4071	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4072	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4073	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4074	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4075	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3425		4076
3426	cf::sync_job {	4077	cf::sync_job {
3427	eval {	4078	eval {
3428	BDB::db_env_open	4079	BDB::db_env_open
3429	$DB_ENV,	4080	$DB_ENV,
…		…
3431	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4082	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3432	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4083	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3433	0666;	4084	0666;
3434		4085
3435	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4086	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3436
3437	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3438	$DB_ENV->set_lk_detect;
3439	};	4087	};
3440		4088
3441	cf::cleanup "db_env_open(db): $@" if $@;	4089	cf::cleanup "db_env_open(db): $@" if $@;
3442	};	4090	};
3443	}	4091	}
		4092
		4093	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4094	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4095	};
		4096	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4097	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4098	};
		4099	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4100	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4101	};
3444	}	4102	}
3445		4103
3446	{	4104	{
		4105	# configure IO::AIO
		4106
3447	IO::AIO::min_parallel 8;	4107	IO::AIO::min_parallel 8;
3448
3449	undef $Coro::AIO::WATCHER;
3450	IO::AIO::max_poll_time $TICK * 0.1;	4108	IO::AIO::max_poll_time $TICK * 0.1;
3451	$AIO_POLL_WATCHER = Event->io (	4109	undef $AnyEvent::AIO::WATCHER;
3452	reentrant => 0,
3453	data => WF_AUTOCANCEL,
3454	fd => IO::AIO::poll_fileno,
3455	poll => 'r',
3456	prio => 6,
3457	cb => \&IO::AIO::poll_cb,
3458	);
3459	}	4110	}
3460		4111
3461	my $_log_backtrace;	4112	my $_log_backtrace;
3462		4113
3463	sub _log_backtrace {	4114	sub _log_backtrace {
…		…
3466	$msg =~ s/\n//;	4117	$msg =~ s/\n//;
3467		4118
3468	# limit the # of concurrent backtraces	4119	# limit the # of concurrent backtraces
3469	if ($_log_backtrace < 2) {	4120	if ($_log_backtrace < 2) {
3470	++$_log_backtrace;	4121	++$_log_backtrace;
		4122	my $perl_bt = Carp::longmess $msg;
3471	async {	4123	async {
		4124	$Coro::current->{desc} = "abt $msg";
		4125
3472	my @bt = fork_call {	4126	my @bt = fork_call {
3473	@addr = map { sprintf "%x", $_ } @addr;	4127	@addr = map { sprintf "%x", $_ } @addr;
3474	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4128	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3475	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4129	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3476	or die "addr2line: $!";	4130	or die "addr2line: $!";
…		…
3484	}	4138	}
3485		4139
3486	@funcs	4140	@funcs
3487	};	4141	};
3488		4142
3489	LOG llevInfo, "[ABT] $msg\n";	4143	LOG llevInfo, "[ABT] $perl_bt\n";
		4144	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3490	LOG llevInfo, "[ABT] $_\n" for @bt;	4145	LOG llevInfo, "[ABT] $_\n" for @bt;
3491	--$_log_backtrace;	4146	--$_log_backtrace;
3492	};	4147	};
3493	} else {	4148	} else {
3494	LOG llevInfo, "[ABT] $msg\n";	4149	LOG llevInfo, "[ABT] $msg\n";
3495	LOG llevInfo, "[ABT] [suppressed]\n";	4150	LOG llevInfo, "[ABT] [suppressed]\n";
3496	}	4151	}
3497	}	4152	}
3498		4153
3499	# load additional modules	4154	# load additional modules
3500	use cf::pod;	4155	require "cf/$_.pm" for @EXTRA_MODULES;
		4156	cf::_connect_to_perl_2;
3501		4157
3502	END { cf::emergency_save }	4158	END { cf::emergency_save }
3503		4159
3504	1	4160	1
3505		4161

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