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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.291 by root, Tue Jul 3 00:54:44 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;
		63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
34		66
35	# configure various modules to our taste	67	# configure various modules to our taste
36	#	68	#
37	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
38	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";
39	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
40		77
41	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
42		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
44	$YAML::Syck::ImplicitUnicode = 1;
45
46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
47		80
48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
49		82
50	our %COMMAND = ();	83	our %COMMAND = ();
51	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
…		…
54	our %EXTCMD = ();	87	our %EXTCMD = ();
55	our %EXTICMD = ();	88	our %EXTICMD = ();
56	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
57	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
58		91
59	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
60	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
61		96
62	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
63	our $DATADIR = datadir;	98	our $DATADIR = datadir;
64	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
65	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
66	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
67	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
68	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
71	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
72	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;
73		118
74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
75	our $TICK_WATCHER;
76	our $AIO_POLL_WATCHER;
77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
78	our $NEXT_TICK;	121	our $NEXT_TICK;
79	our $NOW;
80	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
81		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
82	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
83	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript);
84		130
85	our %CFG;	131	our %CFG;
86		132
87	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
88	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
89		136
90	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
91	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
92	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
93		140
94	# 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 ∕
95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
96		143
97	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)
98	our $LOADAVG; # same thing, but with alpha-smoothing	145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
99	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 $REALLY_UNLOOP; # never set to true, please :)
100		153
101	binmode STDOUT;	154	binmode STDOUT;
102	binmode STDERR;	155	binmode STDERR;
103		156
104	# read virtual server time, if available	157	# read virtual server time, if available
105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
106	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
107	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
108	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
109	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
110		165
111	mkdir $_	166	mkdir $_
112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
113		168
114	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
115		170
116	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::"} };
117		187
118	#############################################################################	188	#############################################################################
119		189
120	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
121		191
…		…
157		227
158	The raw value load value from the last tick.	228	The raw value load value from the last tick.
159		229
160	=item %cf::CFG	230	=item %cf::CFG
161		231
162	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
163	from wherever your confdir points to.	233	from wherever your confdir points to.
164		234
165	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
166		236
167	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
168	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
169	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.
170		240
		241	=item @cf::INVOKE_RESULTS
		242
		243	This array contains the results of the last C<invoke ()> call. When
		244	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		245	that call.
		246
		247	=item %cf::REFLECT
		248
		249	Contains, for each (C++) class name, a hash reference with information
		250	about object members (methods, scalars, arrays and flags) and other
		251	metadata, which is useful for introspection.
		252
171	=back	253	=back
172		254
173	=cut	255	=cut
174		256
175	BEGIN {	257	sub error(@) { LOG llevError, join "", @_ }
176	*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 {
177	my $msg = join "", @_;	264	my $msg = join "", @_;
178		265
179	$msg .= "\n"	266	$msg .= "\n"
180	unless $msg =~ /\n$/;	267	unless $msg =~ /\n$/;
181		268
182	$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;
183		270
184	utf8::encode $msg;
185	LOG llevError, $msg;	271	LOG llevWarn, $msg;
186	};	272	};
187	}	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	};
188		287
189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	288	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	289	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	290	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	291	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
199	for my $pkg (qw(	298	for my $pkg (qw(
200	cf::global cf::attachable	299	cf::global cf::attachable
201	cf::object cf::object::player	300	cf::object cf::object::player
202	cf::client cf::player	301	cf::client cf::player
203	cf::arch cf::living	302	cf::arch cf::living
		303	cf::map cf::mapspace
204	cf::map cf::party cf::region	304	cf::party cf::region
205	)) {	305	)) {
206	no strict 'refs';
207	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	306	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
208	}	307	}
209		308
210	$Event::DIED = sub {	309	$EV::DIED = sub {
211	warn "error in event callback: @_";	310	Carp::cluck "error in event callback: @_";
212	};	311	};
213		312
214	#############################################################################	313	#############################################################################
215		314
216	=head2 UTILITY FUNCTIONS	315	=head2 UTILITY FUNCTIONS
…		…
238	$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;
239	$d	338	$d
240	} || "[unable to dump $_[0]: '$@']";	339	} || "[unable to dump $_[0]: '$@']";
241	}	340	}
242		341
243	=item $ref = cf::from_json $json	342	=item $ref = cf::decode_json $json
244		343
245	Converts a JSON string into the corresponding perl data structure.	344	Converts a JSON string into the corresponding perl data structure.
246		345
247	=item $json = cf::to_json $ref	346	=item $json = cf::encode_json $ref
248		347
249	Converts a perl data structure into its JSON representation.	348	Converts a perl data structure into its JSON representation.
250		349
251	=cut	350	=cut
252		351
253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	352	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
254		353
255	sub to_json ($) { $json_coder->encode ($_[0]) }	354	sub encode_json($) { $json_coder->encode ($_[0]) }
256	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	}
257		370
258	=item cf::lock_wait $string	371	=item cf::lock_wait $string
259		372
260	Wait until the given lock is available. See cf::lock_acquire.	373	Wait until the given lock is available. See cf::lock_acquire.
261		374
262	=item my $lock = cf::lock_acquire $string	375	=item my $lock = cf::lock_acquire $string
263		376
264	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
265	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,
266	for example when the coroutine gets canceled), the lock is automatically	379	for example when the coroutine gets canceled), the lock is automatically
267	returned.	380	returned.
268		381
		382	Locks are *not* recursive, locking from the same coro twice results in a
		383	deadlocked coro.
		384
269	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
270	uses map_find and cf::map::load uses map_load).	386	uses map_find and cf::map::load uses map_load).
271		387
272	=item $locked = cf::lock_active $string	388	=item $locked = cf::lock_active $string
273		389
274	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.
275		391
276	=cut	392	=cut
277		393
278	our %LOCK;	394	our $LOCKS = new Coro::SemaphoreSet;
279		395
280	sub lock_wait($) {	396	sub lock_wait($) {
281	my ($key) = @_;	397	$LOCKS->wait ($_[0]);
282
283	# wait for lock, if any
284	while ($LOCK{$key}) {
285	push @{ $LOCK{$key} }, $Coro::current;
286	Coro::schedule;
287	}
288	}	398	}
289		399
290	sub lock_acquire($) {	400	sub lock_acquire($) {
291	my ($key) = @_;	401	$LOCKS->guard ($_[0])
292
293	# wait, to be sure we are not locked
294	lock_wait $key;
295
296	$LOCK{$key} = [];
297
298	Coro::guard {
299	# wake up all waiters, to be on the safe side
300	$_->ready for @{ delete $LOCK{$key} };
301	}
302	}	402	}
303		403
304	sub lock_active($) {	404	sub lock_active($) {
305	my ($key) = @_;	405	$LOCKS->count ($_[0]) < 1
306
307	! ! $LOCK{$key}
308	}	406	}
309		407
310	sub freeze_mainloop {	408	sub freeze_mainloop {
311	return unless $TICK_WATCHER->is_active;	409	tick_inhibit_inc;
312		410
313	my $guard = Coro::guard {	411	&Guard::guard (\&tick_inhibit_dec);
314	$TICK_WATCHER->start;	412	}
		413
		414	=item cf::periodic $interval, $cb
		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($$) {
		422	my ($interval, $cb) = @_;
		423
		424	my $start = rand List::Util::min 180, $interval;
		425
		426	EV::periodic $start, $interval, 0, $cb
		427	}
		428
		429	=item cf::get_slot $time[, $priority[, $name]]
		430
		431	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		432	This call blocks and returns only when you have at least C<$time> seconds
		433	of cpu time till the next tick. The slot is only valid till the next cede.
		434
		435	The optional C<$name> can be used to identify the job to run. It might be
		436	used for statistical purposes and should identify the same time-class.
		437
		438	Useful for short background jobs.
		439
		440	=cut
		441
		442	our @SLOT_QUEUE;
		443	our $SLOT_QUEUE;
		444	our $SLOT_DECAY = 0.9;
		445
		446	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		447	$SLOT_QUEUE = Coro::async {
		448	$Coro::current->desc ("timeslot manager");
		449
		450	my $signal = new Coro::Signal;
		451	my $busy;
		452
		453	while () {
		454	next_job:
		455
		456	my $avail = cf::till_tick;
		457
		458	for (0 .. $#SLOT_QUEUE) {
		459	if ($SLOT_QUEUE[$_][0] <= $avail) {
		460	$busy = 0;
		461	my $job = splice @SLOT_QUEUE, $_, 1, ();
		462	$job->[2]->send;
		463	Coro::cede;
		464	goto next_job;
		465	} else {
		466	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		467	}
		468	}
		469
		470	if (@SLOT_QUEUE) {
		471	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		472	push @cf::WAIT_FOR_TICK, $signal;
		473	$signal->wait;
		474	} else {
		475	$busy = 0;
		476	Coro::schedule;
		477	}
315	};	478	}
316	$TICK_WATCHER->stop;	479	};
317	$guard	480
		481	sub get_slot($;$$) {
		482	return if tick_inhibit || $Coro::current == $Coro::main;
		483
		484	my ($time, $pri, $name) = @_;
		485
		486	$time = clamp $time, 0.01, $TICK * .6;
		487
		488	my $sig = new Coro::Signal;
		489
		490	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		491	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		492	$SLOT_QUEUE->ready;
		493	$sig->wait;
318	}	494	}
319		495
320	=item cf::async { BLOCK }	496	=item cf::async { BLOCK }
321		497
322	Currently the same as Coro::async_pool, meaning you cannot use	498	Currently the same as Coro::async_pool, meaning you cannot use
…		…
327		503
328	BEGIN { *async = \&Coro::async_pool }	504	BEGIN { *async = \&Coro::async_pool }
329		505
330	=item cf::sync_job { BLOCK }	506	=item cf::sync_job { BLOCK }
331		507
332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	508	The design of Deliantra requires that the main coroutine ($Coro::main)
333	is always able to handle events or runnable, as Crossfire TRT is only	509	is always able to handle events or runnable, as Deliantra is only
334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	510	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
335	acceptable.	511	acceptable.
336		512
337	If it must be done, put the blocking parts into C<sync_job>. This will run	513	If it must be done, put the blocking parts into C<sync_job>. This will run
338	the given BLOCK in another coroutine while waiting for the result. The	514	the given BLOCK in another coroutine while waiting for the result. The
…		…
342	=cut	518	=cut
343		519
344	sub sync_job(&) {	520	sub sync_job(&) {
345	my ($job) = @_;	521	my ($job) = @_;
346		522
347	if ($Coro::current == $Coro::main) {	523	if (in_main) {
348	my $time = Event::time;	524	my $time = AE::time;
349		525
350	# this is the main coro, too bad, we have to block	526	# this is the main coro, too bad, we have to block
351	# till the operation succeeds, freezing the server :/	527	# till the operation succeeds, freezing the server :/
352		528
353	# TODO: use suspend/resume instead	529	#LOG llevError, Carp::longmess "sync job";#d#
354	# (but this is cancel-safe)	530
355	my $freeze_guard = freeze_mainloop;	531	my $freeze_guard = freeze_mainloop;
356		532
357	my $busy = 1;	533	my $busy = 1;
358	my @res;	534	my @res;
359		535
360	(async {	536	(async {
		537	$Coro::current->desc ("sync job coro");
361	@res = eval { $job->() };	538	@res = eval { $job->() };
362	warn $@ if $@;	539	error $@ if $@;
363	undef $busy;	540	undef $busy;
364	})->prio (Coro::PRIO_MAX);	541	})->prio (Coro::PRIO_MAX);
365		542
366	while ($busy) {	543	while ($busy) {
367	Coro::cede or Event::one_event;	544	if (Coro::nready) {
		545	Coro::cede_notself;
		546	} else {
		547	EV::loop EV::LOOP_ONESHOT;
368	}	548	}
		549	}
369		550
370	$time = Event::time - $time;	551	my $time = AE::time - $time;
371		552
372	LOG llevError | logBacktrace, Carp::longmess "long sync job"
373	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
374
375	$tick_start += $time; # do not account sync jobs to server load	553	$TICK_START += $time; # do not account sync jobs to server load
376		554
377	wantarray ? @res : $res[0]	555	wantarray ? @res : $res[0]
378	} else {	556	} else {
379	# we are in another coroutine, how wonderful, everything just works	557	# we are in another coroutine, how wonderful, everything just works
380		558
…		…
405	=item fork_call { }, $args	583	=item fork_call { }, $args
406		584
407	Executes the given code block with the given arguments in a seperate	585	Executes the given code block with the given arguments in a seperate
408	process, returning the results. Everything must be serialisable with	586	process, returning the results. Everything must be serialisable with
409	Coro::Storable. May, of course, block. Note that the executed sub may	587	Coro::Storable. May, of course, block. Note that the executed sub may
410	never block itself or use any form of Event handling.	588	never block itself or use any form of event handling.
411		589
412	=cut	590	=cut
413		591
414	sub fork_call(&@) {	592	sub fork_call(&@) {
415	my ($cb, @args) = @_;	593	my ($cb, @args) = @_;
416		594
417	# 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,
418	# or die "socketpair: $!";	596	# otherwise perl prematurely frees the stuff :/
419	pipe my $fh1, my $fh2	597	# TODO: investigate and fix (likely this will be rather laborious)
420	or die "pipe: $!";
421		598
422	if (my $pid = fork) {	599	my @res = Coro::Util::fork_eval {
423	close $fh2;
424
425	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
426	$res = Coro::Storable::thaw $res;
427
428	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
429
430	die $$res unless "ARRAY" eq ref $res;
431
432	return wantarray ? @$res : $res->[-1];
433	} else {
434	reset_signals;	600	reset_signals;
435	local $SIG{__WARN__};	601	&$cb
436	local $SIG{__DIE__};	602	}, @args;
437	eval {
438	close $fh1;
439		603
440	my @res = eval { $cb->(@args) };	604	wantarray ? @res : $res[-1]
441	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);	605	}
442	};
443		606
444	warn $@ if $@;	607	sub objinfo {
445	_exit 0;
446	}	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
447	}	643	}
448		644
449	=item $value = cf::db_get $family => $key	645	=item $value = cf::db_get $family => $key
450		646
451	Returns a single value from the environment database.	647	Returns a single value from the environment database.
…		…
453	=item cf::db_put $family => $key => $value	649	=item cf::db_put $family => $key => $value
454		650
455	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
456	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).
457		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
458	=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	}
459		680
460	our $DB;	681	our $DB;
461		682
462	sub db_init {	683	sub db_init {
463	unless ($DB) {	684	$DB ||= db_table "db";
464	$DB = BDB::db_create $DB_ENV;
465
466	cf::sync_job {
467	eval {
468	$DB->set_flags (BDB::CHKSUM);
469
470	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
471	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
472	cf::cleanup "db_open(db): $!" if $!;
473	};
474	cf::cleanup "db_open(db): $@" if $@;
475	};
476	}
477	}	685	}
478		686
479	sub db_get($$) {	687	sub db_get($$) {
480	my $key = "$_[0]/$_[1]";	688	my $key = "$_[0]/$_[1]";
481		689
482	cf::sync_job {	690	cf::error "db_get called from main context"
		691	if $Coro::current == $Coro::main;
		692
483	BDB::db_get $DB, undef, $key, my $data;	693	BDB::db_get $DB, undef, $key, my $data;
484		694
485	$! ? ()	695	$! ? ()
486	: $data	696	: $data
487	}
488	}	697	}
489		698
490	sub db_put($$$) {	699	sub db_put($$$) {
491	BDB::dbreq_pri 4;	700	BDB::dbreq_pri 4;
492	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	701	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
531	if (1) {	740	if (1) {
532	$md5 =	741	$md5 =
533	join "\x00",	742	join "\x00",
534	$processversion,	743	$processversion,
535	map {	744	map {
536	Coro::cede;	745	cf::cede_to_tick;
537	($src->[$_], Digest::MD5::md5_hex $data[$_])	746	($src->[$_], Digest::MD5::md5_hex $data[$_])
538	} 0.. $#$src;	747	} 0.. $#$src;
539		748
540		749
541	my $dbmd5 = db_get cache => "$id/md5";	750	my $dbmd5 = db_get cache => "$id/md5";
…		…
548		757
549	my $t1 = Time::HiRes::time;	758	my $t1 = Time::HiRes::time;
550	my $data = $process->(\@data);	759	my $data = $process->(\@data);
551	my $t2 = Time::HiRes::time;	760	my $t2 = Time::HiRes::time;
552		761
553	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	762	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
554		763
555	db_put cache => "$id/data", $data;	764	db_put cache => "$id/data", $data;
556	db_put cache => "$id/md5" , $md5;	765	db_put cache => "$id/md5" , $md5;
557	db_put cache => "$id/meta", $meta;	766	db_put cache => "$id/meta", $meta;
558		767
…		…
568		777
569	=cut	778	=cut
570		779
571	sub datalog($@) {	780	sub datalog($@) {
572	my ($type, %kv) = @_;	781	my ($type, %kv) = @_;
573	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	782	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
574	}	783	}
575		784
576	=back	785	=back
577		786
578	=cut	787	=cut
579		788
580	#############################################################################	789	#############################################################################
581		790
582	=head2 ATTACHABLE OBJECTS	791	=head2 ATTACHABLE OBJECTS
583		792
584	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
585	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")
586	to it. All such attachable objects support the following methods.	795	to it. All such attachable objects support the following methods.
587		796
588	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>
589	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
590	Crossfire TRT).	799	Deliantra).
591		800
592	=over 4	801	=over 4
593		802
594	=item $attachable->attach ($attachment, key => $value...)	803	=item $attachable->attach ($attachment, key => $value...)
595		804
…		…
639	=item cf::CLASS::attachment $name, ...	848	=item cf::CLASS::attachment $name, ...
640		849
641	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
642	given CLASS can refer to this attachment.	851	given CLASS can refer to this attachment.
643		852
644	Some classes such as crossfire maps and objects can specify attachments	853	Some classes such as deliantra maps and objects can specify attachments
645	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.
646		855
647	These calls expect any number of the following handler/hook descriptions:	856	These calls expect any number of the following handler/hook descriptions:
648		857
649	=over 4	858	=over 4
…		…
773		982
774	} elsif (exists $cb_id{$type}) {	983	} elsif (exists $cb_id{$type}) {
775	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	984	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
776		985
777	} elsif (ref $type) {	986	} elsif (ref $type) {
778	warn "attaching objects not supported, ignoring.\n";	987	error "attaching objects not supported, ignoring.\n";
779		988
780	} else {	989	} else {
781	shift @arg;	990	shift @arg;
782	warn "attach argument '$type' not supported, ignoring.\n";	991	error "attach argument '$type' not supported, ignoring.\n";
783	}	992	}
784	}	993	}
785	}	994	}
786		995
787	sub _object_attach {	996	sub _object_attach {
…		…
797	_attach $registry, $klass, @attach;	1006	_attach $registry, $klass, @attach;
798	}	1007	}
799		1008
800	$obj->{$name} = \%arg;	1009	$obj->{$name} = \%arg;
801	} else {	1010	} else {
802	warn "object uses attachment '$name' which is not available, postponing.\n";	1011	info "object uses attachment '$name' which is not available, postponing.\n";
803	}	1012	}
804		1013
805	$obj->{_attachment}{$name} = undef;	1014	$obj->{_attachment}{$name} = undef;
806	}	1015	}
807		1016
…		…
847	";	1056	";
848	die if $@;	1057	die if $@;
849	}	1058	}
850		1059
851	our $override;	1060	our $override;
852	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1061	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
853		1062
854	sub override {	1063	sub override {
855	$override = 1;	1064	$override = 1;
856	@invoke_results = ();	1065	@INVOKE_RESULTS = (@_);
857	}	1066	}
858		1067
859	sub do_invoke {	1068	sub do_invoke {
860	my $event = shift;	1069	my $event = shift;
861	my $callbacks = shift;	1070	my $callbacks = shift;
862		1071
863	@invoke_results = ();	1072	@INVOKE_RESULTS = ();
864		1073
865	local $override;	1074	local $override;
866		1075
867	for (@$callbacks) {	1076	for (@$callbacks) {
868	eval { &{$_->[1]} };	1077	eval { &{$_->[1]} };
869		1078
870	if ($@) {	1079	if ($@) {
871	warn "$@";
872	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1080	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
873	override;	1081	override;
874	}	1082	}
875		1083
876	return 1 if $override;	1084	return 1 if $override;
877	}	1085	}
878		1086
879	0	1087	0
880	}	1088	}
881		1089
882	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
883		1091
884	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1092	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
885		1093
886	Generate an object-specific event with the given arguments.	1094	Generate an object-specific event with the given arguments.
887		1095
888	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1096	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
889	removed in future versions), and there is no public API to access override	1097	removed in future versions), and there is no public API to access override
890	results (if you must, access C<@cf::invoke_results> directly).	1098	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
891		1099
892	=back	1100	=back
893		1101
894	=cut	1102	=cut
895		1103
896	#############################################################################	1104	#############################################################################
897	# object support	1105	# object support
		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#
		1140	sub _can_merge {
		1141	my ($ob1, $ob2) = @_;
		1142
		1143	++$SLOW_MERGES;#d#
		1144
		1145	# we do the slow way here
		1146	return _object_equal $ob1, $ob2
		1147	}
898		1148
899	sub reattach {	1149	sub reattach {
900	# basically do the same as instantiate, without calling instantiate	1150	# basically do the same as instantiate, without calling instantiate
901	my ($obj) = @_;	1151	my ($obj) = @_;
902		1152
		1153	# no longer needed after getting rid of delete_package?
903	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
904		1155
905	my $registry = $obj->registry;	1156	my $registry = $obj->registry;
906		1157
907	@$registry = ();	1158	@$registry = ();
908		1159
…		…
913	for (@$attach) {	1164	for (@$attach) {
914	my ($klass, @attach) = @$_;	1165	my ($klass, @attach) = @$_;
915	_attach $registry, $klass, @attach;	1166	_attach $registry, $klass, @attach;
916	}	1167	}
917	} else {	1168	} else {
918	warn "object uses attachment '$name' that is not available, postponing.\n";	1169	info "object uses attachment '$name' that is not available, postponing.\n";
919	}	1170	}
920	}	1171	}
921	}	1172	}
922		1173
923	cf::attachable->attach (	1174	cf::attachable->attach (
924	prio => -1000000,	1175	prio => -1000000,
925	on_instantiate => sub {	1176	on_instantiate => sub {
926	my ($obj, $data) = @_;	1177	my ($obj, $data) = @_;
927		1178
928	$data = from_json $data;	1179	$data = decode_json $data;
929		1180
930	for (@$data) {	1181	for (@$data) {
931	my ($name, $args) = @$_;	1182	my ($name, $args) = @$_;
932		1183
933	$obj->attach ($name, %{$args || {} });	1184	$obj->attach ($name, %{$args || {} });
…		…
949	sub object_freezer_save {	1200	sub object_freezer_save {
950	my ($filename, $rdata, $objs) = @_;	1201	my ($filename, $rdata, $objs) = @_;
951		1202
952	sync_job {	1203	sync_job {
953	if (length $$rdata) {	1204	if (length $$rdata) {
		1205	utf8::decode (my $decname = $filename);
954	warn sprintf "saving %s (%d,%d)\n",	1206	trace sprintf "saving %s (%d,%d)\n",
955	$filename, length $$rdata, scalar @$objs;	1207	$decname, length $$rdata, scalar @$objs
		1208	if $VERBOSE_IO;
956		1209
957	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1210	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
958	chmod SAVE_MODE, $fh;	1211	aio_chmod $fh, SAVE_MODE;
959	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1212	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
960	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	}
961	close $fh;	1217	aio_close $fh;
962		1218
963	if (@$objs) {	1219	if (@$objs) {
964	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) {
965	chmod SAVE_MODE, $fh;	1221	aio_chmod $fh, SAVE_MODE;
966	my $data = Storable::nfreeze { version => 1, objs => $objs };	1222	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
967	aio_write $fh, 0, (length $data), $data, 0;	1223	aio_write $fh, 0, (length $data), $data, 0;
968	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	}
969	close $fh;	1228	aio_close $fh;
970	aio_rename "$filename.pst~", "$filename.pst";	1229	aio_rename "$filename.pst~", "$filename.pst";
971	}	1230	}
972	} else {	1231	} else {
973	aio_unlink "$filename.pst";	1232	aio_unlink "$filename.pst";
974	}	1233	}
975		1234
976	aio_rename "$filename~", $filename;	1235	aio_rename "$filename~", $filename;
		1236
		1237	$filename =~ s%/[^/]+$%%;
		1238	aio_pathsync $filename if $cf::USE_FSYNC;
977	} else {	1239	} else {
978	warn "FATAL: $filename~: $!\n";	1240	error "unable to save objects: $filename~: $!\n";
979	}	1241	}
980	} else {	1242	} else {
981	aio_unlink $filename;	1243	aio_unlink $filename;
982	aio_unlink "$filename.pst";	1244	aio_unlink "$filename.pst";
983	}	1245	}
984	}	1246	};
985	}	1247	}
986		1248
987	sub object_freezer_as_string {	1249	sub object_freezer_as_string {
988	my ($rdata, $objs) = @_;	1250	my ($rdata, $objs) = @_;
989		1251
…		…
1001	or return;	1263	or return;
1002		1264
1003	unless (aio_stat "$filename.pst") {	1265	unless (aio_stat "$filename.pst") {
1004	(aio_load "$filename.pst", $av) >= 0	1266	(aio_load "$filename.pst", $av) >= 0
1005	or return;	1267	or return;
		1268
1006	$av = eval { (Storable::thaw $av)->{objs} };	1269	my $st = eval { Coro::Storable::thaw $av };
		1270	$av = $st->{objs};
1007	}	1271	}
1008		1272
		1273	utf8::decode (my $decname = $filename);
1009	warn sprintf "loading %s (%d)\n",	1274	trace sprintf "loading %s (%d,%d)\n",
1010	$filename, length $data, scalar @{$av || []};	1275	$decname, length $data, scalar @{$av || []}
		1276	if $VERBOSE_IO;
		1277
1011	return ($data, $av);	1278	($data, $av)
1012	}	1279	}
1013		1280
1014	=head2 COMMAND CALLBACKS	1281	=head2 COMMAND CALLBACKS
1015		1282
1016	=over 4	1283	=over 4
…		…
1070	my ($name, $cb) = @_;	1337	my ($name, $cb) = @_;
1071		1338
1072	$EXTICMD{$name} = $cb;	1339	$EXTICMD{$name} = $cb;
1073	}	1340	}
1074		1341
		1342	use File::Glob ();
		1343
1075	cf::player->attach (	1344	cf::player->attach (
1076	on_command => sub {	1345	on_unknown_command => sub {
1077	my ($pl, $name, $params) = @_;	1346	my ($pl, $name, $params) = @_;
1078		1347
1079	my $cb = $COMMAND{$name}	1348	my $cb = $COMMAND{$name}
1080	or return;	1349	or return;
1081		1350
…		…
1089	my ($pl, $buf) = @_;	1358	my ($pl, $buf) = @_;
1090		1359
1091	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1360	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1092		1361
1093	if (ref $msg) {	1362	if (ref $msg) {
		1363	my ($type, $reply, @payload) =
		1364	"ARRAY" eq ref $msg
		1365	? @$msg
		1366	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1367
		1368	my @reply;
		1369
1094	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1370	if (my $cb = $EXTCMD{$type}) {
1095	if (my %reply = $cb->($pl, $msg)) {	1371	@reply = $cb->($pl, @payload);
1096	$pl->ext_reply ($msg->{msgid}, %reply);
1097	}
1098	}	1372	}
		1373
		1374	$pl->ext_reply ($reply, @reply)
		1375	if $reply;
		1376
1099	} else {	1377	} else {
1100	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1378	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1101	}	1379	}
1102		1380
1103	cf::override;	1381	cf::override;
1104	},	1382	},
1105	);	1383	);
1106		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
1107	sub load_extensions {	1398	sub load_extensions {
		1399	info "loading extensions...";
		1400
1108	cf::sync_job {	1401	cf::sync_job {
1109	my %todo;	1402	my %todo;
1110		1403
1111	for my $path (<$LIBDIR/*.ext>) {	1404	for my $path (<$LIBDIR/*.ext>) {
1112	next unless -r $path;	1405	next unless -r $path;
…		…
1130		1423
1131	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1424	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1132	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1425	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1133		1426
1134	$ext{source} =	1427	$ext{source} =
1135	"package $pkg; use strict; use utf8;\n"	1428	"package $pkg; use common::sense;\n"
1136	. "#line 1 \"$path\"\n{\n"	1429	. "#line 1 \"$path\"\n{\n"
1137	. $source	1430	. $source
1138	. "\n};\n1";	1431	. "\n};\n1";
1139		1432
1140	$todo{$base} = \%ext;	1433	$todo{$base} = \%ext;
1141	}	1434	}
1142		1435
		1436	my $pass = 0;
1143	my %done;	1437	my %done;
1144	while (%todo) {	1438	while (%todo) {
1145	my $progress;	1439	my $progress;
1146		1440
		1441	++$pass;
		1442
		1443	ext:
1147	while (my ($k, $v) = each %todo) {	1444	while (my ($k, $v) = each %todo) {
1148	for (split /,\s*/, $v->{meta}{depends}) {	1445	for (split /,\s*/, $v->{meta}{depends}) {
1149	goto skip	1446	next ext
1150	unless exists $done{$_};	1447	unless exists $done{$_};
1151	}	1448	}
1152		1449
1153	warn "... loading '$k' into '$v->{pkg}'\n";	1450	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1154		1451
1155	unless (eval $v->{source}) {	1452	my $active = eval $v->{source};
		1453
		1454	if (length $@) {
1156	my $msg = $@ ? "$v->{path}: $@\n"	1455	error "$v->{path}: $@\n";
1157	: "$v->{base}: extension inactive.\n";	1456	undef $@; # work around perl 5.10.0 utf-8 caching bug
1158		1457
		1458	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1159	if (exists $v->{meta}{mandatory}) {	1459	if exists $v->{meta}{mandatory};
1160	warn $msg;	1460
1161	warn "mandatory extension failed to load, exiting.\n";	1461	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1162	exit 1;	1462	delete $todo{$k};
1163	}	1463	} else {
1164		1464	$done{$k} = delete $todo{$k};
1165	warn $msg;	1465	push @EXTS, $v->{pkg};
		1466	$progress = 1;
		1467
		1468	info "$v->{base}: extension inactive.\n"
		1469	unless $active;
1166	}	1470	}
1167
1168	$done{$k} = delete $todo{$k};
1169	push @EXTS, $v->{pkg};
1170	$progress = 1;
1171	}	1471	}
1172		1472
1173	skip:	1473	unless ($progress) {
1174	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1474	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1175	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	}
1176	}	1481	}
1177	};	1482	};
1178	}	1483	}
1179		1484
1180	#############################################################################	1485	#############################################################################
1181		1486
1182	=back	1487	=back
1183		1488
1184	=head2 CORE EXTENSIONS	1489	=head2 CORE EXTENSIONS
1185		1490
1186	Functions and methods that extend core crossfire objects.	1491	Functions and methods that extend core deliantra objects.
1187		1492
1188	=cut	1493	=cut
1189		1494
1190	package cf::player;	1495	package cf::player;
1191		1496
1192	use Coro::AIO;	1497	use Coro::AIO;
1193		1498
1194	=head3 cf::player	1499	=head3 cf::player
1195		1500
1196	=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	}
1197		1516
1198	=item cf::player::find $login	1517	=item cf::player::find $login
1199		1518
1200	Returns the given player object, loading it if necessary (might block).	1519	Returns the given player object, loading it if necessary (might block).
1201		1520
…		…
1220		1539
1221	sub exists($) {	1540	sub exists($) {
1222	my ($login) = @_;	1541	my ($login) = @_;
1223		1542
1224	$cf::PLAYER{$login}	1543	$cf::PLAYER{$login}
1225	or cf::sync_job { !aio_stat path $login }	1544	or !aio_stat path $login
1226	}	1545	}
1227		1546
1228	sub find($) {	1547	sub find($) {
1229	return $cf::PLAYER{$_[0]} || do {	1548	return $cf::PLAYER{$_[0]} || do {
1230	my $login = $_[0];	1549	my $login = $_[0];
…		…
1237	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1556	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1238	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1557	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1239	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1558	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1240	aio_unlink +(playerdir $login) . "/$login.pl";	1559	aio_unlink +(playerdir $login) . "/$login.pl";
1241		1560
1242	my $pl = load_pl path $login	1561	my $f = new_from_file cf::object::thawer path $login
1243	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;
1244	$cf::PLAYER{$login} = $pl	1569	$cf::PLAYER{$login} = $pl
1245	}	1570	}
1246	}	1571	}
1247	}	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	);
1248		1586
1249	sub save($) {	1587	sub save($) {
1250	my ($pl) = @_;	1588	my ($pl) = @_;
1251		1589
1252	return if $pl->{deny_save};	1590	return if $pl->{deny_save};
…		…
1257	return if $pl->{deny_save};	1595	return if $pl->{deny_save};
1258		1596
1259	aio_mkdir playerdir $pl, 0770;	1597	aio_mkdir playerdir $pl, 0770;
1260	$pl->{last_save} = $cf::RUNTIME;	1598	$pl->{last_save} = $cf::RUNTIME;
1261		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
1262	$pl->save_pl ($path);	1605	$pl->save_pl ($path);
1263	Coro::cede;	1606	cf::cede_to_tick;
1264	}	1607	}
1265		1608
1266	sub new($) {	1609	sub new($) {
1267	my ($login) = @_;	1610	my ($login) = @_;
1268		1611
…		…
1274	$cf::PLAYER{$login} = $self;	1617	$cf::PLAYER{$login} = $self;
1275		1618
1276	$self	1619	$self
1277	}	1620	}
1278		1621
		1622	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1623
		1624	=cut
		1625
		1626	sub send_msg {
		1627	my $ns = shift->ns
		1628	or return;
		1629	$ns->send_msg (@_);
		1630	}
		1631
1279	=item $pl->quit_character	1632	=item $pl->quit_character
1280		1633
1281	Nukes the player without looking back. If logged in, the connection will	1634	Nukes the player without looking back. If logged in, the connection will
1282	be destroyed. May block for a long time.	1635	be destroyed. May block for a long time.
1283		1636
…		…
1287	my ($pl) = @_;	1640	my ($pl) = @_;
1288		1641
1289	my $name = $pl->ob->name;	1642	my $name = $pl->ob->name;
1290		1643
1291	$pl->{deny_save} = 1;	1644	$pl->{deny_save} = 1;
1292	$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
1293		1646
1294	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1647	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1295	$pl->deactivate;	1648	$pl->deactivate;
		1649	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1296	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1650	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1297	$pl->ns->destroy if $pl->ns;	1651	$pl->ns->destroy if $pl->ns;
1298		1652
1299	my $path = playerdir $pl;	1653	my $path = playerdir $pl;
1300	my $temp = "$path~$cf::RUNTIME~deleting~";	1654	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1336	or return [];	1690	or return [];
1337		1691
1338	my @logins;	1692	my @logins;
1339		1693
1340	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") {
1341	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1700	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1342	aio_read $fh, 0, 512, my $buf, 0 or next;	1701	aio_read $fh, 0, 512, my $buf, 0 or next;
1343	$buf !~ /^password -------------$/m or next; # official not-valid tag	1702	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1703	}
1344		1704
1345	utf8::decode $login;	1705	utf8::decode $login;
1346	push @logins, $login;	1706	push @logins, $login;
1347	}	1707	}
1348		1708
1349	\@logins	1709	\@logins
1350	}	1710	}
1351		1711
1352	=item $player->maps	1712	=item $player->maps
		1713
		1714	=item cf::player::maps $login
1353		1715
1354	Returns an arrayref of map paths that are private for this	1716	Returns an arrayref of map paths that are private for this
1355	player. May block.	1717	player. May block.
1356		1718
1357	=cut	1719	=cut
…		…
1375	}	1737	}
1376		1738
1377	\@paths	1739	\@paths
1378	}	1740	}
1379		1741
1380	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1742	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1381		1743
1382	Expand crossfire pod fragments into protocol xml.	1744	Expand deliantra pod fragments into protocol xml.
1383		1745
1384	=cut
1385
1386	sub expand_cfpod {
1387	((my $self), (local $_)) = @_;
1388
1389	# escape & and <
1390	s/&/&amp;/g;
1391	s/(?<![BIUGH])</&lt;/g;
1392
1393	# this is buggy, it needs to properly take care of nested <'s
1394
1395	1 while
1396	# replace B<>, I<>, U<> etc.
1397	s/B<([^\>]*)>/<b>$1<\/b>/
1398	|| s/I<([^\>]*)>/<i>$1<\/i>/
1399	|| s/U<([^\>]*)>/<u>$1<\/u>/
1400	# replace G<male|female> tags
1401	|| s{G<([^>|]*)\|([^>]*)>}{
1402	$self->gender ? $2 : $1
1403	}ge
1404	# replace H<hint text>
1405	|| s{H<([^\>]*)>}
1406	{
1407	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1408	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1409	"")
1410	[$self->{hintmode}]
1411	}ge;
1412
1413	# create single paragraphs (very hackish)
1414	s/(?<=\S)\n(?=\w)/ /g;
1415
1416	# compress some whitespace
1417	1 while s/\s*\n\s*\n\s*/\n/;
1418
1419	$_
1420	}
1421
1422	sub hintmode {
1423	warn "hm<$_[0] $_[1]>\n";#d#
1424	$_[0]{hintmode} = $_[1] if @_ > 1;
1425	$_[0]{hintmode}
1426	}
1427
1428	=item $player->ext_reply ($msgid, %msg)	1746	=item $player->ext_reply ($msgid, @msg)
1429		1747
1430	Sends an ext reply to the player.	1748	Sends an ext reply to the player.
1431		1749
1432	=cut	1750	=cut
1433		1751
1434	sub ext_reply($$%) {	1752	sub ext_reply($$@) {
1435	my ($self, $id, %msg) = @_;	1753	my ($self, $id, @msg) = @_;
1436		1754
1437	$msg{msgid} = $id;	1755	$self->ns->ext_reply ($id, @msg)
1438	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1439	}	1756	}
1440		1757
1441	=item $player->ext_event ($type, %msg)	1758	=item $player->ext_msg ($type, @msg)
1442		1759
1443	Sends an ext event to the client.	1760	Sends an ext event to the client.
1444		1761
1445	=cut	1762	=cut
1446		1763
1447	sub ext_event($$%) {	1764	sub ext_msg($$@) {
1448	my ($self, $type, %msg) = @_;	1765	my ($self, $type, @msg) = @_;
1449		1766
1450	$self->ns->ext_event ($type, %msg);	1767	$self->ns->ext_msg ($type, @msg);
1451	}	1768	}
1452		1769
1453	=head3 cf::region	1770	=head3 cf::region
1454		1771
1455	=over 4	1772	=over 4
…		…
1465	=cut	1782	=cut
1466		1783
1467	sub find_by_path($) {	1784	sub find_by_path($) {
1468	my ($path) = @_;	1785	my ($path) = @_;
1469		1786
		1787	$path =~ s/^~[^\/]*//; # skip ~login
		1788
1470	my ($match, $specificity);	1789	my ($match, $specificity);
1471		1790
1472	for my $region (list) {	1791	for my $region (list) {
1473	if ($region->match && $path =~ $region->match) {	1792	if ($region->{match} && $path =~ $region->{match}) {
1474	($match, $specificity) = ($region, $region->specificity)	1793	($match, $specificity) = ($region, $region->specificity)
1475	if $region->specificity > $specificity;	1794	if $region->specificity > $specificity;
1476	}	1795	}
1477	}	1796	}
1478		1797
…		…
1499	our $MAX_RESET = 3600;	1818	our $MAX_RESET = 3600;
1500	our $DEFAULT_RESET = 3000;	1819	our $DEFAULT_RESET = 3000;
1501		1820
1502	sub generate_random_map {	1821	sub generate_random_map {
1503	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
1504	# mit "rum" bekleckern, nicht	1826	# mit "rum" bekleckern, nicht
1505	$self->_create_random_map (	1827	$self->_create_random_map (
1506	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1828	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1507	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1829	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1508	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1830	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1509	$rmp->{exit_on_final_map},	1831	$rmp->{exit_on_final_map},
1510	$rmp->{xsize}, $rmp->{ysize},	1832	$rmp->{xsize}, $rmp->{ysize},
1511	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1833	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1512	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1834	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1534		1856
1535	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1857	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1536	}	1858	}
1537		1859
1538	# also paths starting with '/'	1860	# also paths starting with '/'
1539	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1861	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1540		1862
1541	sub thawer_merge {	1863	sub thawer_merge {
1542	my ($self, $merge) = @_;	1864	my ($self, $merge) = @_;
1543		1865
1544	# we have to keep some variables in memory intact	1866	# we have to keep some variables in memory intact
…		…
1598	$self->init; # pass $1 etc.	1920	$self->init; # pass $1 etc.
1599	return $self;	1921	return $self;
1600	}	1922	}
1601	}	1923	}
1602		1924
1603	Carp::carp "unable to resolve path '$path' (base '$base').";	1925	Carp::cluck "unable to resolve path '$path' (base '$base').";
1604	()	1926	()
1605	}	1927	}
1606		1928
1607	sub init {	1929	sub init {
1608	my ($self) = @_;	1930	my ($self) = @_;
…		…
1630		1952
1631	# the temporary/swap location	1953	# the temporary/swap location
1632	sub save_path {	1954	sub save_path {
1633	my ($self) = @_;	1955	my ($self) = @_;
1634		1956
1635	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1957	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1636	"$TMPDIR/$path.map"	1958	"$TMPDIR/$path.map"
1637	}	1959	}
1638		1960
1639	# the unique path, undef == no special unique path	1961	# the unique path, undef == no special unique path
1640	sub uniq_path {	1962	sub uniq_path {
1641	my ($self) = @_;	1963	my ($self) = @_;
1642		1964
1643	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1965	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1644	"$UNIQUEDIR/$path"	1966	"$UNIQUEDIR/$path"
1645	}
1646
1647	# and all this just because we cannot iterate over
1648	# all maps in C++...
1649	sub change_all_map_light {
1650	my ($change) = @_;
1651
1652	$_->change_map_light ($change)
1653	for grep $_->outdoor, values %cf::MAP;
1654	}	1967	}
1655		1968
1656	sub decay_objects {	1969	sub decay_objects {
1657	my ($self) = @_;	1970	my ($self) = @_;
1658		1971
…		…
1671		1984
1672	sub load_header_from($) {	1985	sub load_header_from($) {
1673	my ($self, $path) = @_;	1986	my ($self, $path) = @_;
1674		1987
1675	utf8::encode $path;	1988	utf8::encode $path;
1676	#aio_open $path, O_RDONLY, 0	1989	my $f = new_from_file cf::object::thawer $path
1677	# or return;
1678
1679	$self->_load_header ($path)
1680	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;
1681		1997
1682	$self->{load_path} = $path;	1998	$self->{load_path} = $path;
1683		1999
1684	1	2000	1
1685	}	2001	}
…		…
1739	sub find {	2055	sub find {
1740	my ($path, $origin) = @_;	2056	my ($path, $origin) = @_;
1741		2057
1742	$path = normalise $path, $origin && $origin->path;	2058	$path = normalise $path, $origin && $origin->path;
1743		2059
		2060	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1744	cf::lock_wait "map_find:$path";	2061	my $guard2 = cf::lock_acquire "map_find:$path";
1745		2062
1746	$cf::MAP{$path} || do {	2063	$cf::MAP{$path} || do {
1747	my $guard = cf::lock_acquire "map_find:$path";
1748	my $map = new_from_path cf::map $path	2064	my $map = new_from_path cf::map $path
1749	or return;	2065	or return;
1750		2066
1751	$map->{last_save} = $cf::RUNTIME;	2067	$map->{last_save} = $cf::RUNTIME;
1752		2068
…		…
1754	or return;	2070	or return;
1755		2071
1756	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2072	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1757	# doing this can freeze the server in a sync job, obviously	2073	# doing this can freeze the server in a sync job, obviously
1758	#$cf::WAIT_FOR_TICK->wait;	2074	#$cf::WAIT_FOR_TICK->wait;
		2075	undef $guard2;
		2076	undef $guard1;
1759	$map->reset;	2077	$map->reset;
1760	undef $guard;
1761	return find $path;	2078	return find $path;
1762	}	2079	}
1763		2080
1764	$cf::MAP{$path} = $map	2081	$cf::MAP{$path} = $map
1765	}	2082	}
1766	}	2083	}
1767		2084
1768	sub pre_load { }	2085	sub pre_load { }
1769	sub post_load { }	2086	#sub post_load { } # XS
1770		2087
1771	sub load {	2088	sub load {
1772	my ($self) = @_;	2089	my ($self) = @_;
1773		2090
1774	local $self->{deny_reset} = 1; # loading can take a long time	2091	local $self->{deny_reset} = 1; # loading can take a long time
1775		2092
1776	my $path = $self->{path};	2093	my $path = $self->{path};
1777		2094
1778	{	2095	{
1779	my $guard = cf::lock_acquire "map_load:$path";	2096	my $guard = cf::lock_acquire "map_data:$path";
1780		2097
		2098	return unless $self->valid;
1781	return if $self->in_memory != cf::MAP_SWAPPED;	2099	return unless $self->in_memory == cf::MAP_SWAPPED;
1782		2100
1783	$self->in_memory (cf::MAP_LOADING);	2101	$self->in_memory (cf::MAP_LOADING);
1784		2102
1785	$self->alloc;	2103	$self->alloc;
1786		2104
1787	$self->pre_load;	2105	$self->pre_load;
1788	Coro::cede;	2106	cf::cede_to_tick;
1789		2107
		2108	my $f = new_from_file cf::object::thawer $self->{load_path};
		2109	$f->skip_block;
1790	$self->_load_objects ($self->{load_path}, 1)	2110	$self->_load_objects ($f)
1791	or return;	2111	or return;
1792		2112
1793	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2113	$self->post_load_original
1794	if delete $self->{load_original};	2114	if delete $self->{load_original};
1795		2115
1796	if (my $uniq = $self->uniq_path) {	2116	if (my $uniq = $self->uniq_path) {
1797	utf8::encode $uniq;	2117	utf8::encode $uniq;
1798	if (aio_open $uniq, O_RDONLY, 0) {	2118	unless (aio_stat $uniq) {
		2119	if (my $f = new_from_file cf::object::thawer $uniq) {
1799	$self->clear_unique_items;	2120	$self->clear_unique_items;
1800	$self->_load_objects ($uniq, 0);	2121	$self->_load_objects ($f);
		2122	$f->resolve_delayed_derefs;
		2123	}
1801	}	2124	}
1802	}	2125	}
1803		2126
1804	Coro::cede;	2127	$f->resolve_delayed_derefs;
		2128
		2129	cf::cede_to_tick;
1805	# now do the right thing for maps	2130	# now do the right thing for maps
1806	$self->link_multipart_objects;	2131	$self->link_multipart_objects;
1807	$self->difficulty ($self->estimate_difficulty)	2132	$self->difficulty ($self->estimate_difficulty)
1808	unless $self->difficulty;	2133	unless $self->difficulty;
1809	Coro::cede;	2134	cf::cede_to_tick;
1810		2135
1811	unless ($self->{deny_activate}) {	2136	unless ($self->{deny_activate}) {
1812	$self->decay_objects;	2137	$self->decay_objects;
1813	$self->fix_auto_apply;	2138	$self->fix_auto_apply;
1814	$self->update_buttons;	2139	$self->update_buttons;
1815	Coro::cede;	2140	cf::cede_to_tick;
1816	$self->set_darkness_map;
1817	Coro::cede;
1818	$self->activate;	2141	$self->activate;
1819	}	2142	}
1820		2143
		2144	$self->{last_save} = $cf::RUNTIME;
		2145	$self->last_access ($cf::RUNTIME);
		2146
1821	$self->in_memory (cf::MAP_IN_MEMORY);	2147	$self->in_memory (cf::MAP_ACTIVE);
1822	}	2148	}
1823		2149
1824	$self->post_load;	2150	$self->post_load;
1825	}	2151	}
1826		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
1827	sub customise_for {	2156	sub customise_for {
1828	my ($self, $ob) = @_;	2157	my ($self, $ob) = @_;
1829		2158
1830	return find "~" . $ob->name . "/" . $self->{path}	2159	return find "~" . $ob->name . "/" . $self->{path}
1831	if $self->per_player;	2160	if $self->per_player;
…		…
1835		2164
1836	$self	2165	$self
1837	}	2166	}
1838		2167
1839	# 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
1840	sub load_diag {	2169	sub load_neighbours {
1841	my ($map) = @_;	2170	my ($map) = @_;
1842		2171
1843	my @diag; # diagonal neighbours	2172	my @neigh; # diagonal neighbours
1844		2173
1845	for (0 .. 3) {	2174	for (0 .. 3) {
1846	my $neigh = $map->tile_path ($_)	2175	my $neigh = $map->tile_path ($_)
1847	or next;	2176	or next;
1848	$neigh = find $neigh, $map	2177	$neigh = find $neigh, $map
1849	or next;	2178	or next;
1850	$neigh->load;	2179	$neigh->load;
1851		2180
		2181	# now find the diagonal neighbours
		2182	push @neigh,
1852	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2183	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1853	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2184	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1854	}	2185	}
1855		2186
1856	for (@diag) {	2187	for (grep defined $_->[0], @neigh) {
		2188	my ($path, $origin) = @$_;
1857	my $neigh = find @$_	2189	my $neigh = find $path, $origin
1858	or next;	2190	or next;
1859	$neigh->load;	2191	$neigh->load;
1860	}	2192	}
1861	}	2193	}
1862		2194
1863	sub find_sync {	2195	sub find_sync {
1864	my ($path, $origin) = @_;	2196	my ($path, $origin) = @_;
1865		2197
1866	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
1867	}	2202	}
1868		2203
1869	sub do_load_sync {	2204	sub do_load_sync {
1870	my ($map) = @_;	2205	my ($map) = @_;
1871		2206
1872	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;
1873	}	2211	}
1874		2212
1875	our %MAP_PREFETCH;	2213	our %MAP_PREFETCH;
1876	our $MAP_PREFETCHER = undef;	2214	our $MAP_PREFETCHER = undef;
1877		2215
1878	sub find_async {	2216	sub find_async {
1879	my ($path, $origin) = @_;	2217	my ($path, $origin, $load) = @_;
1880		2218
1881	$path = normalise $path, $origin && $origin->{path};	2219	$path = normalise $path, $origin && $origin->{path};
1882		2220
1883	if (my $map = $cf::MAP{$path}) {	2221	if (my $map = $cf::MAP{$path}) {
1884	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2222	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1885	}	2223	}
1886		2224
1887	undef $MAP_PREFETCH{$path};	2225	$MAP_PREFETCH{$path} |= $load;
		2226
1888	$MAP_PREFETCHER ||= cf::async {	2227	$MAP_PREFETCHER ||= cf::async {
		2228	$Coro::current->{desc} = "map prefetcher";
		2229
1889	while (%MAP_PREFETCH) {	2230	while (%MAP_PREFETCH) {
1890	for my $path (keys %MAP_PREFETCH) {	2231	while (my ($k, $v) = each %MAP_PREFETCH) {
1891	my $map = find $path	2232	if (my $map = find $k) {
1892	or next;
1893	$map->load;	2233	$map->load if $v;
		2234	}
1894		2235
1895	delete $MAP_PREFETCH{$path};	2236	delete $MAP_PREFETCH{$k};
1896	}	2237	}
1897	}	2238	}
1898	undef $MAP_PREFETCHER;	2239	undef $MAP_PREFETCHER;
1899	};	2240	};
1900	$MAP_PREFETCHER->prio (6);	2241	$MAP_PREFETCHER->prio (6);
1901		2242
1902	()	2243	()
1903	}	2244	}
1904		2245
		2246	# common code, used by both ->save and ->swapout
1905	sub save {	2247	sub _save {
1906	my ($self) = @_;	2248	my ($self) = @_;
1907
1908	my $lock = cf::lock_acquire "map_data:" . $self->path;
1909		2249
1910	$self->{last_save} = $cf::RUNTIME;	2250	$self->{last_save} = $cf::RUNTIME;
1911		2251
1912	return unless $self->dirty;	2252	return unless $self->dirty;
1913		2253
…		…
1919	return if $self->{deny_save};	2259	return if $self->{deny_save};
1920		2260
1921	local $self->{last_access} = $self->last_access;#d#	2261	local $self->{last_access} = $self->last_access;#d#
1922		2262
1923	cf::async {	2263	cf::async {
		2264	$Coro::current->{desc} = "map player save";
1924	$_->contr->save for $self->players;	2265	$_->contr->save for $self->players;
1925	};	2266	};
		2267
		2268	cf::get_slot 0.02;
1926		2269
1927	if ($uniq) {	2270	if ($uniq) {
1928	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2271	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1929	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2272	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1930	} else {	2273	} else {
1931	$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);
1932	}	2275	}
1933	}	2276	}
1934		2277
		2278	sub save {
		2279	my ($self) = @_;
		2280
		2281	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2282
		2283	$self->_save;
		2284	}
		2285
1935	sub swap_out {	2286	sub swap_out {
1936	my ($self) = @_;	2287	my ($self) = @_;
1937		2288
1938	# save first because save cedes
1939	$self->save;
1940
1941	my $lock = cf::lock_acquire "map_data:" . $self->path;	2289	my $lock = cf::lock_acquire "map_data:$self->{path}";
1942		2290
		2291	return if $self->in_memory != cf::MAP_ACTIVE;
		2292	return if $self->{deny_save};
1943	return if $self->players;	2293	return if $self->players;
1944	return if $self->in_memory != cf::MAP_IN_MEMORY;
1945	return if $self->{deny_save};
1946		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
1947	$self->clear;	2304	$self->clear;
1948	$self->in_memory (cf::MAP_SWAPPED);
1949	}	2305	}
1950		2306
1951	sub reset_at {	2307	sub reset_at {
1952	my ($self) = @_;	2308	my ($self) = @_;
1953		2309
…		…
1971		2327
1972	my $lock = cf::lock_acquire "map_data:$self->{path}";	2328	my $lock = cf::lock_acquire "map_data:$self->{path}";
1973		2329
1974	return if $self->players;	2330	return if $self->players;
1975		2331
1976	warn "resetting map ", $self->path;	2332	cf::trace "resetting map ", $self->path, "\n";
1977		2333
1978	$self->in_memory (cf::MAP_SWAPPED);	2334	$self->in_memory (cf::MAP_SWAPPED);
1979		2335
1980	# need to save uniques path	2336	# need to save uniques path
1981	unless ($self->{deny_save}) {	2337	unless ($self->{deny_save}) {
…		…
1985	if $uniq;	2341	if $uniq;
1986	}	2342	}
1987		2343
1988	delete $cf::MAP{$self->path};	2344	delete $cf::MAP{$self->path};
1989		2345
		2346	$self->deactivate;
		2347	$_->clear_links_to ($self) for values %cf::MAP;
1990	$self->clear;	2348	$self->clear;
1991
1992	$_->clear_links_to ($self) for values %cf::MAP;
1993		2349
1994	$self->unlink_save;	2350	$self->unlink_save;
1995	$self->destroy;	2351	$self->destroy;
1996	}	2352	}
1997		2353
1998	my $nuke_counter = "aaaa";	2354	my $nuke_counter = "aaaa";
1999		2355
2000	sub nuke {	2356	sub nuke {
2001	my ($self) = @_;	2357	my ($self) = @_;
2002		2358
		2359	{
		2360	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2361
2003	delete $cf::MAP{$self->path};	2362	delete $cf::MAP{$self->path};
2004		2363
2005	$self->unlink_save;	2364	$self->unlink_save;
2006		2365
2007	bless $self, "cf::map";	2366	bless $self, "cf::map::wrap";
2008	delete $self->{deny_reset};	2367	delete $self->{deny_reset};
2009	$self->{deny_save} = 1;	2368	$self->{deny_save} = 1;
2010	$self->reset_timeout (1);	2369	$self->reset_timeout (1);
2011	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2370	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2012		2371
2013	$cf::MAP{$self->path} = $self;	2372	$cf::MAP{$self->path} = $self;
		2373	}
2014		2374
2015	$self->reset; # polite request, might not happen	2375	$self->reset; # polite request, might not happen
2016	}	2376	}
2017		2377
2018	=item $maps = cf::map::tmp_maps	2378	=item $maps = cf::map::tmp_maps
…		…
2060		2420
2061	sub unique_maps() {	2421	sub unique_maps() {
2062	[	2422	[
2063	map {	2423	map {
2064	utf8::decode $_;	2424	utf8::decode $_;
2065	/\.map$/	2425	s/\.map$//; # TODO future compatibility hack
		2426	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2427	? ()
2066	? normalise $_	2428	: normalise $_
2067	: ()
2068	} @{ aio_readdir $UNIQUEDIR or [] }	2429	} @{ aio_readdir $UNIQUEDIR or [] }
2069	]	2430	]
2070	}	2431	}
2071		2432
2072	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	}
2073		2464
2074	=back	2465	=back
2075		2466
2076	=head3 cf::object	2467	=head3 cf::object
2077		2468
…		…
2081		2472
2082	=over 4	2473	=over 4
2083		2474
2084	=item $ob->inv_recursive	2475	=item $ob->inv_recursive
2085		2476
2086	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.
2087		2479
2088	=cut	2480	=cut
2089		2481
2090	sub inv_recursive_;	2482	sub inv_recursive_;
2091	sub inv_recursive_ {	2483	sub inv_recursive_ {
…		…
2094		2486
2095	sub inv_recursive {	2487	sub inv_recursive {
2096	inv_recursive_ inv $_[0]	2488	inv_recursive_ inv $_[0]
2097	}	2489	}
2098		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
2099	package cf;	2519	package cf;
2100		2520
2101	=back	2521	=back
2102		2522
2103	=head3 cf::object::player	2523	=head3 cf::object::player
…		…
2109	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>
2110	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
2111	dialogue with the given NPC character.	2531	dialogue with the given NPC character.
2112		2532
2113	=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	};
2114		2548
2115	# rough implementation of a future "reply" method that works	2549	# rough implementation of a future "reply" method that works
2116	# with dialog boxes.	2550	# with dialog boxes.
2117	#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
2118	sub cf::object::player::reply($$$;$) {	2552	sub cf::object::player::reply($$$;$) {
…		…
2125		2559
2126	} else {	2560	} else {
2127	my $pl = $self->contr;	2561	my $pl = $self->contr;
2128		2562
2129	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2563	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2130	my $diag = $pl->{npc_dialog};	2564	my $dialog = $pl->{npc_dialog};
2131	$diag->{pl}->ext_reply (	2565	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2132	$diag->{id},
2133	msgtype => "reply",
2134	msg => $diag->{pl}->expand_cfpod ($msg),
2135	add_topics => []
2136	);
2137		2566
2138	} else {	2567	} else {
2139	$msg = $npc->name . " says: $msg" if $npc;	2568	$msg = $npc->name . " says: $msg" if $npc;
2140	$self->message ($msg, $flags);	2569	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2141	}	2570	}
2142	}	2571	}
		2572	}
		2573
		2574	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2575
		2576	=cut
		2577
		2578	sub cf::object::send_msg {
		2579	my $pl = shift->contr
		2580	or return;
		2581	$pl->send_msg (@_);
2143	}	2582	}
2144		2583
2145	=item $player_object->may ("access")	2584	=item $player_object->may ("access")
2146		2585
2147	Returns wether the given player is authorized to access resource "access"	2586	Returns wether the given player is authorized to access resource "access"
…		…
2160		2599
2161	=item $player_object->enter_link	2600	=item $player_object->enter_link
2162		2601
2163	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}>).
2164		2603
2165	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.
2166	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.
2167		2608
2168	Will never block.	2609	Will never block.
2169		2610
2170	=item $player_object->leave_link ($map, $x, $y)	2611	=item $player_object->leave_link ($map, $x, $y)
2171		2612
…		…
2191	sub cf::object::player::enter_link {	2632	sub cf::object::player::enter_link {
2192	my ($self) = @_;	2633	my ($self) = @_;
2193		2634
2194	$self->deactivate_recursive;	2635	$self->deactivate_recursive;
2195		2636
		2637	++$self->{_link_recursion};
		2638
2196	return if UNIVERSAL::isa $self->map, "ext::map_link";	2639	return if UNIVERSAL::isa $self->map, "ext::map_link";
2197		2640
2198	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2641	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2199	if $self->map && $self->map->{path} ne "{link}";	2642	if $self->map && $self->map->{path} ne "{link}";
2200		2643
2201	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2644	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2202	}	2645	}
2203		2646
2204	sub cf::object::player::leave_link {	2647	sub cf::object::player::leave_link {
2205	my ($self, $map, $x, $y) = @_;	2648	my ($self, $map, $x, $y) = @_;
2206		2649
…		…
2223	($x, $y) = (-1, -1)	2666	($x, $y) = (-1, -1)
2224	unless (defined $x) && (defined $y);	2667	unless (defined $x) && (defined $y);
2225		2668
2226	# use -1 or undef as default coordinates, not 0, 0	2669	# use -1 or undef as default coordinates, not 0, 0
2227	($x, $y) = ($map->enter_x, $map->enter_y)	2670	($x, $y) = ($map->enter_x, $map->enter_y)
2228	if $x <=0 && $y <= 0;	2671	if $x <= 0 && $y <= 0;
2229		2672
2230	$map->load;	2673	$map->load;
2231	$map->load_diag;	2674	$map->load_neighbours;
2232		2675
2233	return unless $self->contr->active;	2676	return unless $self->contr->active;
2234	$self->activate_recursive;
2235		2677
2236	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2678	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2237	$self->enter_map ($map, $x, $y);	2679	if ($self->enter_map ($map, $x, $y)) {
2238	}	2680	# entering was successful
		2681	delete $self->{_link_recursion};
		2682	# only activate afterwards, to support waiting in hooks
		2683	$self->activate_recursive;
		2684	}
2239		2685
		2686	}
		2687
2240	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2688	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2241		2689
2242	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
2243	her, loading and preparing them map, calling the provided $check callback	2691	her, loading and preparing them map, calling the provided $check callback
2244	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
2245	the new (success) or old (failed) map position.	2693	the new (success) or old (failed) map position. In either case, $done will
		2694	be called at the end of this process.
		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 >>.
2246		2698
2247	=cut	2699	=cut
2248		2700
2249	our $GOTOGEN;	2701	our $GOTOGEN;
2250		2702
2251	sub cf::object::player::goto {	2703	sub cf::object::player::goto {
2252	my ($self, $path, $x, $y, $check) = @_;	2704	my ($self, $path, $x, $y, $check, $done) = @_;
		2705
		2706	if ($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	}
2253		2711
2254	# 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
2255	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2713	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2256		2714
2257	$self->enter_link;	2715	$self->enter_link;
2258		2716
2259	(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
2260	my $map = eval {	2739	my $map = eval {
2261	my $map = cf::map::find $path;	2740	my $map = defined $path ? cf::map::find $path : undef;
2262		2741
2263	if ($map) {	2742	if ($map) {
2264	$map = $map->customise_for ($self);	2743	$map = $map->customise_for ($self);
2265	$map = $check->($map) if $check && $map;	2744	$map = $check->($map, $x, $y, $self) if $check && $map;
2266	} else {	2745	} else {
2267	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2746	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2268	}	2747	}
2269		2748
2270	$map	2749	$map
2271	};	2750	};
2272		2751
…		…
2277		2756
2278	if ($gen == $self->{_goto_generation}) {	2757	if ($gen == $self->{_goto_generation}) {
2279	delete $self->{_goto_generation};	2758	delete $self->{_goto_generation};
2280	$self->leave_link ($map, $x, $y);	2759	$self->leave_link ($map, $x, $y);
2281	}	2760	}
		2761
		2762	$done->($self) if $done;
2282	})->prio (1);	2763	})->prio (1);
2283	}	2764	}
2284		2765
2285	=item $player_object->enter_exit ($exit_object)	2766	=item $player_object->enter_exit ($exit_object)
2286		2767
…		…
2306	}	2787	}
2307		2788
2308	sub prepare_random_map {	2789	sub prepare_random_map {
2309	my ($exit) = @_;	2790	my ($exit) = @_;
2310		2791
2311	my $guard = cf::lock_acquire "exit_prepare:$exit";
2312
2313	# all this does is basically replace the /! path by	2792	# all this does is basically replace the /! path by
2314	# a new random map path (?random/...) with a seed	2793	# a new random map path (?random/...) with a seed
2315	# that depends on the exit object	2794	# that depends on the exit object
2316		2795
2317	my $rmp = parse_random_map_params $exit->msg;	2796	my $rmp = parse_random_map_params $exit->msg;
…		…
2319	if ($exit->map) {	2798	if ($exit->map) {
2320	$rmp->{region} = $exit->region->name;	2799	$rmp->{region} = $exit->region->name;
2321	$rmp->{origin_map} = $exit->map->path;	2800	$rmp->{origin_map} = $exit->map->path;
2322	$rmp->{origin_x} = $exit->x;	2801	$rmp->{origin_x} = $exit->x;
2323	$rmp->{origin_y} = $exit->y;	2802	$rmp->{origin_y} = $exit->y;
		2803
		2804	$exit->map->touch;
2324	}	2805	}
2325		2806
2326	$rmp->{random_seed} ||= $exit->random_seed;	2807	$rmp->{random_seed} ||= $exit->random_seed;
2327		2808
2328	my $data = cf::to_json $rmp;	2809	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2329	my $md5 = Digest::MD5::md5_hex $data;	2810	my $md5 = Digest::MD5::md5_hex $data;
2330	my $meta = "$RANDOMDIR/$md5.meta";	2811	my $meta = "$RANDOMDIR/$md5.meta";
2331		2812
2332	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2813	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2333	aio_write $fh, 0, (length $data), $data, 0;	2814	aio_write $fh, 0, (length $data), $data, 0;
2334	undef $fh;	2815	undef $fh;
2335	aio_rename "$meta~", $meta;	2816	aio_rename "$meta~", $meta;
2336		2817
		2818	my $slaying = "?random/$md5";
		2819
		2820	if ($exit->valid) {
2337	$exit->slaying ("?random/$md5");	2821	$exit->slaying ("?random/$md5");
2338	$exit->msg (undef);	2822	$exit->msg (undef);
		2823	}
2339	}	2824	}
2340	}	2825	}
2341		2826
2342	sub cf::object::player::enter_exit {	2827	sub cf::object::player::enter_exit {
2343	my ($self, $exit) = @_;	2828	my ($self, $exit) = @_;
2344		2829
2345	return unless $self->type == cf::PLAYER;	2830	return unless $self->type == cf::PLAYER;
2346		2831
2347	if ($exit->slaying eq "/!") {
2348	#TODO: this should de-fi-ni-te-ly not be a sync-job
2349	# the problem is that $exit might not survive long enough
2350	# so it needs to be done right now, right here
2351	cf::sync_job { prepare_random_map $exit };
2352	}
2353
2354	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2355	my $hp = $exit->stats->hp;
2356	my $sp = $exit->stats->sp;
2357
2358	$self->enter_link;	2832	$self->enter_link;
2359		2833
2360	(async {	2834	(async {
2361	$self->deactivate_recursive; # just to be sure	2835	$Coro::current->{desc} = "enter_exit";
		2836
2362	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
2363	$self->goto ($slaying, $hp, $sp);	2852	$self->goto ($map, $x, $y);
2364		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
2365	1;	2858	1
2366	}) {	2859	}) {
2367	$self->message ("Something went wrong deep within the crossfire server. "	2860	$self->message ("Something went wrong deep within the deliantra server. "
2368	. "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. "
2369	. "Please report this to the dungeon master!",	2862	. "Please report this to the dungeon master!",
2370	cf::NDI_UNIQUE | cf::NDI_RED);	2863	cf::NDI_UNIQUE | cf::NDI_RED);
2371		2864
2372	warn "ERROR in enter_exit: $@";	2865	error "ERROR in enter_exit: $@";
2373	$self->leave_link;	2866	$self->leave_link;
2374	}	2867	}
2375	})->prio (1);	2868	})->prio (1);
2376	}	2869	}
2377		2870
…		…
2391		2884
2392	utf8::encode $text;	2885	utf8::encode $text;
2393	$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);
2394	}	2887	}
2395		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);
		2912	}
		2913
2396	=item $client->send_msg ($color, $type, $msg, [extra...])	2914	=item $client->send_msg ($channel, $msg, $color, [extra...])
2397		2915
2398	Send a drawinfo or msg packet to the client, formatting the msg for the	2916	Send a drawinfo or msg packet to the client, formatting the msg for the
2399	client if neccessary. C<$type> should be a string identifying the type of	2917	client if neccessary. C<$type> should be a string identifying the type of
2400	the message, with C<log> being the default. If C<$color> is negative, suppress	2918	the message, with C<log> being the default. If C<$color> is negative, suppress
2401	the message unless the client supports the msg packet.	2919	the message unless the client supports the msg packet.
2402		2920
2403	=cut	2921	=cut
2404		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" => $CHAT_CHANNEL,
		3035	);
		3036
2405	sub cf::client::send_msg {	3037	sub cf::client::send_msg {
2406	my ($self, $color, $type, $msg, @extra) = @_;	3038	my ($self, $channel, $msg, $color, @extra) = @_;
2407		3039
2408	$msg = $self->pl->expand_cfpod ($msg);	3040	$msg = $self->pl->expand_cfpod ($msg)
		3041	unless $color & cf::NDI_VERBATIM;
2409		3042
2410	if ($self->can_msg) {	3043	$color &= cf::NDI_CLIENT_MASK; # just in case...
2411	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
2412	} else {
2413	# replace some tags by gcfclient-compatible ones
2414	for ($msg) {
2415	1 while
2416	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2417	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2418	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2419	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2420	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2421	}
2422		3044
2423	if ($color >= 0) {	3045	# check predefined channels, for the benefit of C
2424	if (0 && $msg =~ /\[/) {	3046	if ($CHANNEL{$channel}) {
2425	$self->send_packet ("drawextinfo $color 4 0 $msg")	3047	$channel = $CHANNEL{$channel};
2426	} else {	3048
2427	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	3049	$self->ext_msg (channel_info => $channel);
2428	$self->send_packet ("drawinfo $color $msg")	3050	$channel = $channel->{id};
		3051
		3052	} elsif (ref $channel) {
		3053	# send meta info to client, if not yet sent
		3054	unless (exists $self->{channel}{$channel->{id}}) {
		3055	$self->{channel}{$channel->{id}} = $channel;
		3056	$self->ext_msg (channel_info => $channel);
2429	}	3057	}
2430	}
2431	}
2432	}
2433		3058
		3059	$channel = $channel->{id};
		3060	}
		3061
		3062	return unless @extra || length $msg;
		3063
		3064	# default colour, mask it out
		3065	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3066	if $color & cf::NDI_DEF;
		3067
		3068	my $pkt = "msg "
		3069	. $self->{json_coder}->encode (
		3070	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3071	);
		3072
		3073	$self->send_big_packet ($pkt);
		3074	}
		3075
2434	=item $client->ext_event ($type, %msg)	3076	=item $client->ext_msg ($type, @msg)
2435		3077
2436	Sends an ext event to the client.	3078	Sends an ext event to the client.
2437		3079
2438	=cut	3080	=cut
2439		3081
2440	sub cf::client::ext_event($$%) {	3082	sub cf::client::ext_msg($$@) {
2441	my ($self, $type, %msg) = @_;	3083	my ($self, $type, @msg) = @_;
2442		3084
		3085	if ($self->extcmd == 2) {
		3086	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3087	} elsif ($self->extcmd == 1) { # TODO: remove
2443	$msg{msgtype} = "event_$type";	3088	push @msg, msgtype => "event_$type";
2444	$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}));
		3108	}
2445	}	3109	}
2446		3110
2447	=item $success = $client->query ($flags, "text", \&cb)	3111	=item $success = $client->query ($flags, "text", \&cb)
2448		3112
2449	Queues a query to the client, calling the given callback with	3113	Queues a query to the client, calling the given callback with
…		…
2504	my ($ns, $buf) = @_;	3168	my ($ns, $buf) = @_;
2505		3169
2506	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3170	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2507		3171
2508	if (ref $msg) {	3172	if (ref $msg) {
		3173	my ($type, $reply, @payload) =
		3174	"ARRAY" eq ref $msg
		3175	? @$msg
		3176	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3177
		3178	my @reply;
		3179
2509	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3180	if (my $cb = $EXTICMD{$type}) {
2510	if (my %reply = $cb->($ns, $msg)) {	3181	@reply = $cb->($ns, @payload);
2511	$reply{msgid} = $msg->{msgid};
2512	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2513	}
2514	}	3182	}
		3183
		3184	$ns->ext_reply ($reply, @reply)
		3185	if $reply;
		3186
2515	} else {	3187	} else {
2516	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";
2517	}	3189	}
2518		3190
2519	cf::override;	3191	cf::override;
2520	},	3192	},
2521	);	3193	);
…		…
2541		3213
2542	$coro	3214	$coro
2543	}	3215	}
2544		3216
2545	cf::client->attach (	3217	cf::client->attach (
2546	on_destroy => sub {	3218	on_client_destroy => sub {
2547	my ($ns) = @_;	3219	my ($ns) = @_;
2548		3220
2549	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3221	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2550	},	3222	},
2551	);	3223	);
…		…
2566	our $safe = new Safe "safe";	3238	our $safe = new Safe "safe";
2567	our $safe_hole = new Safe::Hole;	3239	our $safe_hole = new Safe::Hole;
2568		3240
2569	$SIG{FPE} = 'IGNORE';	3241	$SIG{FPE} = 'IGNORE';
2570		3242
2571	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3243	$safe->permit_only (Opcode::opset qw(
		3244	:base_core :base_mem :base_orig :base_math :base_loop
		3245	grepstart grepwhile mapstart mapwhile
		3246	sort time
		3247	));
2572		3248
2573	# here we export the classes and methods available to script code	3249	# here we export the classes and methods available to script code
2574		3250
2575	=pod	3251	=pod
2576		3252
2577	The following functions and methods are available within a safe environment:	3253	The following functions and methods are available within a safe environment:
2578		3254
2579	cf::object contr pay_amount pay_player map	3255	cf::object
		3256	contr pay_amount pay_player map x y force_find force_add destroy
		3257	insert remove name archname title slaying race decrease split
		3258	value
		3259
2580	cf::object::player player	3260	cf::object::player
2581	cf::player peaceful	3261	player
2582	cf::map trigger	3262
		3263	cf::player
		3264	peaceful
		3265
		3266	cf::map
		3267	trigger
2583		3268
2584	=cut	3269	=cut
2585		3270
2586	for (	3271	for (
2587	["cf::object" => qw(contr pay_amount pay_player map)],	3272	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3273	insert remove inv nrof name archname title slaying race
		3274	decrease split destroy change_exp value msg lore send_msg)],
2588	["cf::object::player" => qw(player)],	3275	["cf::object::player" => qw(player)],
2589	["cf::player" => qw(peaceful)],	3276	["cf::player" => qw(peaceful send_msg)],
2590	["cf::map" => qw(trigger)],	3277	["cf::map" => qw(trigger)],
2591	) {	3278	) {
2592	no strict 'refs';	3279	no strict 'refs';
2593	my ($pkg, @funs) = @$_;	3280	my ($pkg, @funs) = @$_;
2594	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3281	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2612		3299
2613	my $qcode = $code;	3300	my $qcode = $code;
2614	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3301	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2615	$qcode =~ s/\n/\\n/g;	3302	$qcode =~ s/\n/\\n/g;
2616		3303
		3304	%vars = (_dummy => 0) unless %vars;
		3305
		3306	my @res;
2617	local $_;	3307	local $_;
2618	local @safe::cf::_safe_eval_args = values %vars;
2619		3308
2620	my $eval =	3309	my $eval =
2621	"do {\n"	3310	"do {\n"
2622	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3311	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2623	. "#line 0 \"{$qcode}\"\n"	3312	. "#line 0 \"{$qcode}\"\n"
2624	. $code	3313	. $code
2625	. "\n}"	3314	. "\n}"
2626	;	3315	;
2627		3316
		3317	if ($CFG{safe_eval}) {
2628	sub_generation_inc;	3318	sub_generation_inc;
		3319	local @safe::cf::_safe_eval_args = values %vars;
2629	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3320	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2630	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	}
2631		3326
2632	if ($@) {	3327	if ($@) {
2633	warn "$@";	3328	warn "$@",
2634	warn "while executing safe code '$code'\n";	3329	"while executing safe code '$code'\n",
2635	warn "with arguments " . (join " ", %vars) . "\n";	3330	"with arguments " . (join " ", %vars) . "\n";
2636	}	3331	}
2637		3332
2638	wantarray ? @res : $res[0]	3333	wantarray ? @res : $res[0]
2639	}	3334	}
2640		3335
…		…
2654	=cut	3349	=cut
2655		3350
2656	sub register_script_function {	3351	sub register_script_function {
2657	my ($fun, $cb) = @_;	3352	my ($fun, $cb) = @_;
2658		3353
2659	no strict 'refs';	3354	$fun = "safe::$fun" if $CFG{safe_eval};
2660	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3355	*$fun = $safe_hole->wrap ($cb);
2661	}	3356	}
2662		3357
2663	=back	3358	=back
2664		3359
2665	=cut	3360	=cut
…		…
2668	# the server's init and main functions	3363	# the server's init and main functions
2669		3364
2670	sub load_facedata($) {	3365	sub load_facedata($) {
2671	my ($path) = @_;	3366	my ($path) = @_;
2672		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
2673	warn "loading facedata from $path\n";	3374	trace "loading facedata from $path\n";
2674		3375
2675	my $facedata;	3376	my $facedata;
2676	0 < aio_load $path, $facedata	3377	0 < aio_load $path, $facedata
2677	or die "$path: $!";	3378	or die "$path: $!";
2678		3379
2679	$facedata = Coro::Storable::thaw $facedata;	3380	$facedata = Coro::Storable::thaw $facedata;
2680		3381
2681	$facedata->{version} == 2	3382	$facedata->{version} == 2
2682	or cf::cleanup "$path: version mismatch, cannot proceed.";	3383	or cf::cleanup "$path: version mismatch, cannot proceed.";
2683		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
2684	{	3394	{
2685	my $faces = $facedata->{faceinfo};	3395	my $faces = $facedata->{faceinfo};
2686		3396
2687	while (my ($face, $info) = each %$faces) {	3397	while (my ($face, $info) = each %$faces) {
2688	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3398	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3399
2689	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3400	cf::face::set_visibility $idx, $info->{visibility};
		3401	cf::face::set_magicmap $idx, $info->{magicmap};
2690	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3402	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2691	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3403	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2692	Coro::cede;	3404
		3405	cf::cede_to_tick;
2693	}	3406	}
2694		3407
2695	while (my ($face, $info) = each %$faces) {	3408	while (my ($face, $info) = each %$faces) {
2696	next unless $info->{smooth};	3409	next unless $info->{smooth};
		3410
2697	my $idx = cf::face::find $face	3411	my $idx = cf::face::find $face
2698	or next;	3412	or next;
		3413
2699	if (my $smooth = cf::face::find $info->{smooth}) {	3414	if (my $smooth = cf::face::find $info->{smooth}) {
		3415	cf::face::set_smooth $idx, $smooth;
2700	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3416	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2701	} else {	3417	} else {
2702	warn "smooth face '$info->{smooth}' not found for face '$face'";	3418	error "smooth face '$info->{smooth}' not found for face '$face'";
2703	}	3419	}
2704	Coro::cede;	3420
		3421	cf::cede_to_tick;
2705	}	3422	}
2706	}	3423	}
2707		3424
2708	{	3425	{
2709	my $anims = $facedata->{animinfo};	3426	my $anims = $facedata->{animinfo};
2710		3427
2711	while (my ($anim, $info) = each %$anims) {	3428	while (my ($anim, $info) = each %$anims) {
2712	cf::anim::set $anim, $info->{frames}, $info->{facings};	3429	cf::anim::set $anim, $info->{frames}, $info->{facings};
2713	Coro::cede;	3430	cf::cede_to_tick;
2714	}	3431	}
2715		3432
2716	cf::anim::invalidate_all; # d'oh	3433	cf::anim::invalidate_all; # d'oh
2717	}	3434	}
2718		3435
		3436	{
		3437	my $res = $facedata->{resource};
		3438
		3439	while (my ($name, $info) = each %$res) {
		3440	if (defined $info->{type}) {
		3441	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3442
		3443	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3444	cf::face::set_type $idx, $info->{type};
		3445	} else {
		3446	$RESOURCE{$name} = $info; # unused
		3447	}
		3448
		3449	cf::cede_to_tick;
		3450	}
		3451	}
		3452
		3453	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3454
2719	1	3455	1
2720	}	3456	}
2721		3457
		3458	register_exticmd fx_want => sub {
		3459	my ($ns, $want) = @_;
		3460
		3461	while (my ($k, $v) = each %$want) {
		3462	$ns->fx_want ($k, $v);
		3463	}
		3464	};
		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
2722	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
2723	load_resource_file "$MAPDIR/regions"	3481	load_resource_file "$MAPDIR/regions"
2724	or die "unable to load regions file\n";	3482	or die "unable to load regions file\n";
		3483
		3484	for (cf::region::list) {
		3485	$_->{match} = qr/$_->{match}/
		3486	if exists $_->{match};
		3487	}
2725	}	3488	}
2726		3489
2727	sub reload_facedata {	3490	sub reload_facedata {
2728	load_facedata "$DATADIR/facedata"	3491	load_facedata "$DATADIR/facedata"
2729	or die "unable to load facedata\n";	3492	or die "unable to load facedata\n";
2730	}	3493	}
2731		3494
2732	sub reload_archetypes {	3495	sub reload_archetypes {
2733	load_resource_file "$DATADIR/archetypes"	3496	load_resource_file "$DATADIR/archetypes"
2734	or die "unable to load archetypes\n";	3497	or die "unable to load archetypes\n";
2735	#d# NEED to laod twice to resolve forward references
2736	# this really needs to be done in an extra post-pass
2737	# (which needs to be synchronous, so solve it differently)
2738	load_resource_file "$DATADIR/archetypes"
2739	or die "unable to load archetypes\n";
2740	}	3498	}
2741		3499
2742	sub reload_treasures {	3500	sub reload_treasures {
2743	load_resource_file "$DATADIR/treasures"	3501	load_resource_file "$DATADIR/treasures"
2744	or die "unable to load treasurelists\n";	3502	or die "unable to load treasurelists\n";
2745	}	3503	}
2746		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
2747	sub reload_resources {	3528	sub reload_resources {
2748	warn "reloading resource files...\n";	3529	trace "reloading resource files...\n";
2749		3530
		3531	reload_facedata;
		3532	reload_sound;
		3533	reload_archetypes;
2750	reload_regions;	3534	reload_regions;
2751	reload_facedata;
2752	#reload_archetypes;#d#
2753	reload_archetypes;
2754	reload_treasures;	3535	reload_treasures;
2755		3536
2756	warn "finished reloading resource files\n";	3537	trace "finished reloading resource files\n";
2757	}	3538	}
2758		3539
2759	sub init {	3540	sub reload_config {
2760	reload_resources;	3541	trace "reloading config file...\n";
2761	}
2762		3542
2763	sub cfg_load {
2764	open my $fh, "<:utf8", "$CONFDIR/config"	3543	open my $fh, "<:utf8", "$CONFDIR/config"
2765	or return;	3544	or return;
2766		3545
2767	local $/;	3546	local $/;
2768	*CFG = YAML::Syck::Load <$fh>;	3547	*CFG = YAML::XS::Load scalar <$fh>;
2769		3548
2770	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3549	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2771		3550
2772	$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};
2773	$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};
2774		3553
2775	if (exists $CFG{mlockall}) {	3554	if (exists $CFG{mlockall}) {
…		…
2777	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3556	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2778	and die "WARNING: m(un)lockall failed: $!\n";	3557	and die "WARNING: m(un)lockall failed: $!\n";
2779	};	3558	};
2780	warn $@ if $@;	3559	warn $@ if $@;
2781	}	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;
2782	}	3591	}
2783		3592
2784	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
2785	# we must not ever block the main coroutine	3603	# we must not ever block the main coroutine
2786	local $Coro::idle = sub {	3604	local $Coro::idle = sub {
2787	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#
2788	(async {	3606	(async {
2789	Event::one_event;	3607	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3608	EV::loop EV::LOOP_ONESHOT;
2790	})->prio (Coro::PRIO_MAX);	3609	})->prio (Coro::PRIO_MAX);
2791	};	3610	};
2792		3611
2793	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;
2794	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
2795	load_extensions;	3635	load_extensions;
2796		3636
2797	$TICK_WATCHER->start;	3637	utime time, time, $RUNTIMEFILE;
2798	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;
2799	}	3650	}
2800		3651
2801	#############################################################################	3652	#############################################################################
2802	# initialisation and cleanup	3653	# initialisation and cleanup
2803		3654
2804	# install some emergency cleanup handlers	3655	# install some emergency cleanup handlers
2805	BEGIN {	3656	BEGIN {
		3657	our %SIGWATCHER = ();
2806	for my $signal (qw(INT HUP TERM)) {	3658	for my $signal (qw(INT HUP TERM)) {
2807	Event->signal (	3659	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2808	reentrant => 0,
2809	data => WF_AUTOCANCEL,
2810	signal => $signal,
2811	prio => 0,
2812	cb => sub {
2813	cf::cleanup "SIG$signal";	3660	cf::cleanup "SIG$signal";
2814	},
2815	);	3661	};
2816	}	3662	}
2817	}	3663	}
2818		3664
2819	sub write_runtime {	3665	sub write_runtime_sync {
2820	my $runtime = "$LOCALDIR/runtime";	3666	my $t0 = AE::time;
2821		3667
2822	# first touch the runtime file to show we are still running:	3668	# first touch the runtime file to show we are still running:
2823	# the fsync below can take a very very long time.	3669	# the fsync below can take a very very long time.
2824		3670
2825	IO::AIO::aio_utime $runtime, undef, undef;	3671	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2826		3672
2827	my $guard = cf::lock_acquire "write_runtime";	3673	my $guard = cf::lock_acquire "write_runtime";
2828		3674
2829	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3675	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2830	or return;	3676	or return;
2831		3677
2832	my $value = $cf::RUNTIME + 90 + 10;	3678	my $value = $cf::RUNTIME + 90 + 10;
2833	# 10 is the runtime save interval, for a monotonic clock	3679	# 10 is the runtime save interval, for a monotonic clock
2834	# 60 allows for the watchdog to kill the server.	3680	# 60 allows for the watchdog to kill the server.
…		…
2844	aio_utime $fh, undef, undef;	3690	aio_utime $fh, undef, undef;
2845		3691
2846	close $fh	3692	close $fh
2847	or return;	3693	or return;
2848		3694
2849	aio_rename "$runtime~", $runtime	3695	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2850	and return;	3696	and return;
2851		3697
2852	warn "runtime file written.\n";	3698	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2853		3699
2854	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 };
2855	}	3751	}
2856		3752
2857	sub emergency_save() {	3753	sub emergency_save() {
2858	my $freeze_guard = cf::freeze_mainloop;	3754	my $freeze_guard = cf::freeze_mainloop;
2859		3755
2860	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;
2861		3762
2862	cf::sync_job {	3763	cf::sync_job {
		3764	cf::write_runtime_sync; # external watchdog should not bark
		3765
2863	# use a peculiar iteration method to avoid tripping on perl	3766	# use a peculiar iteration method to avoid tripping on perl
2864	# refcount bugs in for. also avoids problems with players	3767	# refcount bugs in for. also avoids problems with players
2865	# and maps saved/destroyed asynchronously.	3768	# and maps saved/destroyed asynchronously.
2866	warn "begin emergency player save\n";	3769	info "emergency_perl_save: begin player save\n";
2867	for my $login (keys %cf::PLAYER) {	3770	for my $login (keys %cf::PLAYER) {
2868	my $pl = $cf::PLAYER{$login} or next;	3771	my $pl = $cf::PLAYER{$login} or next;
2869	$pl->valid or next;	3772	$pl->valid or next;
		3773	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2870	$pl->save;	3774	$pl->save;
2871	}	3775	}
2872	warn "end emergency player save\n";	3776	info "emergency_perl_save: end player save\n";
2873		3777
2874	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";
2875	for my $path (keys %cf::MAP) {	3781	for my $path (keys %cf::MAP) {
2876	my $map = $cf::MAP{$path} or next;	3782	my $map = $cf::MAP{$path} or next;
2877	$map->valid or next;	3783	$map->valid or next;
2878	$map->save;	3784	$map->save;
2879	}	3785	}
2880	warn "end emergency map save\n";	3786	info "emergency_perl_save: end map save\n";
2881		3787
2882	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";
2883	BDB::db_env_txn_checkpoint $DB_ENV;	3791	BDB::db_env_txn_checkpoint $DB_ENV;
2884	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
2885	};	3816	};
2886		3817
2887	warn "leave emergency perl save\n";	3818	info "emergency_perl_save: leave\n";
2888	}	3819	}
2889		3820
2890	sub post_cleanup {	3821	sub post_cleanup {
2891	my ($make_core) = @_;	3822	my ($make_core) = @_;
2892		3823
		3824	IO::AIO::flush;
		3825
2893	warn Carp::longmess "post_cleanup backtrace"	3826	error Carp::longmess "post_cleanup backtrace"
2894	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	}
2895	}	3856	}
2896		3857
2897	sub do_reload_perl() {	3858	sub do_reload_perl() {
2898	# can/must only be called in main	3859	# can/must only be called in main
2899	if ($Coro::current != $Coro::main) {	3860	if (in_main) {
2900	warn "can only reload from main coroutine";	3861	error "can only reload from main coroutine";
2901	return;	3862	return;
2902	}	3863	}
2903		3864
		3865	return if $RELOAD++;
		3866
		3867	my $t1 = AE::time;
		3868
		3869	while ($RELOAD) {
2904	warn "reloading...";	3870	info "reloading...";
2905		3871
2906	warn "entering sync_job";	3872	trace "entering sync_job";
2907		3873
2908	cf::sync_job {	3874	cf::sync_job {
2909	cf::write_runtime; # external watchdog should not bark
2910	cf::emergency_save;	3875	cf::emergency_save;
2911	cf::write_runtime; # external watchdog should not bark
2912		3876
2913	warn "syncing database to disk";
2914	BDB::db_env_txn_checkpoint $DB_ENV;
2915
2916	# if anything goes wrong in here, we should simply crash as we already saved
2917
2918	warn "cancelling all WF_AUTOCANCEL watchers";
2919	for (Event::all_watchers) {
2920	$_->cancel if $_->data & WF_AUTOCANCEL;
2921	}
2922
2923	warn "flushing outstanding aio requests";
2924	for (;;) {
2925	BDB::flush;
2926	IO::AIO::flush;
2927	Coro::cede;
2928	last unless IO::AIO::nreqs || BDB::nreqs;
2929	warn "iterate...";
2930	}
2931
2932	++$RELOAD;
2933
2934	warn "cancelling all extension coros";	3877	trace "cancelling all extension coros";
2935	$_->cancel for values %EXT_CORO;	3878	$_->cancel for values %EXT_CORO;
2936	%EXT_CORO = ();	3879	%EXT_CORO = ();
2937		3880
2938	warn "removing commands";	3881	trace "removing commands";
2939	%COMMAND = ();	3882	%COMMAND = ();
2940		3883
2941	warn "removing ext/exti commands";	3884	trace "removing ext/exti commands";
2942	%EXTCMD = ();	3885	%EXTCMD = ();
2943	%EXTICMD = ();	3886	%EXTICMD = ();
2944		3887
2945	warn "unloading/nuking all extensions";	3888	trace "unloading/nuking all extensions";
2946	for my $pkg (@EXTS) {	3889	for my $pkg (@EXTS) {
2947	warn "... unloading $pkg";	3890	trace "... unloading $pkg";
2948		3891
2949	if (my $cb = $pkg->can ("unload")) {	3892	if (my $cb = $pkg->can ("unload")) {
2950	eval {	3893	eval {
2951	$cb->($pkg);	3894	$cb->($pkg);
2952	1	3895	1
2953	} 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;
2954	}	3901	}
2955		3902
2956	warn "... nuking $pkg";
2957	Symbol::delete_package $pkg;
2958	}
2959
2960	warn "unloading all perl modules loaded from $LIBDIR";	3903	trace "unloading all perl modules loaded from $LIBDIR";
2961	while (my ($k, $v) = each %INC) {	3904	while (my ($k, $v) = each %INC) {
2962	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3905	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2963		3906
2964	warn "... unloading $k";	3907	trace "... unloading $k";
2965	delete $INC{$k};	3908	delete $INC{$k};
2966		3909
2967	$k =~ s/\.pm$//;	3910	$k =~ s/\.pm$//;
2968	$k =~ s/\//::/g;	3911	$k =~ s/\//::/g;
2969		3912
2970	if (my $cb = $k->can ("unload_module")) {	3913	if (my $cb = $k->can ("unload_module")) {
2971	$cb->();	3914	$cb->();
		3915	}
		3916
		3917	clear_package $k;
2972	}	3918	}
2973		3919
2974	Symbol::delete_package $k;
2975	}
2976
2977	warn "getting rid of safe::, as good as possible";	3920	trace "getting rid of safe::, as good as possible";
2978	Symbol::delete_package "safe::$_"	3921	clear_package "safe::$_"
2979	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);
2980		3923
2981	warn "unloading cf.pm \"a bit\"";	3924	trace "unloading cf.pm \"a bit\"";
2982	delete $INC{"cf.pm"};	3925	delete $INC{"cf.pm"};
2983	delete $INC{"cf/pod.pm"};	3926	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2984		3927
2985	# don't, removes xs symbols, too,	3928	# don't, removes xs symbols, too,
2986	# and global variables created in xs	3929	# and global variables created in xs
2987	#Symbol::delete_package __PACKAGE__;	3930	#clear_package __PACKAGE__;
2988		3931
2989	warn "unload completed, starting to reload now";	3932	info "unload completed, starting to reload now";
2990		3933
2991	warn "reloading cf.pm";	3934	trace "reloading cf.pm";
2992	require cf;	3935	require cf;
2993	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3936	cf::_connect_to_perl_1;
2994		3937
2995	warn "loading config and database again";	3938	trace "loading config and database again";
2996	cf::cfg_load;	3939	cf::reload_config;
2997		3940
2998	warn "loading extensions";	3941	trace "loading extensions";
2999	cf::load_extensions;	3942	cf::load_extensions;
3000		3943
		3944	if ($REATTACH_ON_RELOAD) {
3001	warn "reattaching attachments to objects/players";	3945	trace "reattaching attachments to objects/players";
3002	_global_reattach; # objects, sockets	3946	_global_reattach; # objects, sockets
3003	warn "reattaching attachments to maps";	3947	trace "reattaching attachments to maps";
3004	reattach $_ for values %MAP;	3948	reattach $_ for values %MAP;
3005	warn "reattaching attachments to players";	3949	trace "reattaching attachments to players";
3006	reattach $_ for values %PLAYER;	3950	reattach $_ for values %PLAYER;
		3951	}
3007		3952
		3953	trace "running post_init jobs";
		3954	(pop @POST_INIT)->(1) while @POST_INIT;
		3955
3008	warn "leaving sync_job";	3956	trace "leaving sync_job";
3009		3957
3010	1	3958	1
3011	} or do {	3959	} or do {
3012	warn $@;	3960	error $@;
3013	warn "error while reloading, exiting.";	3961	cf::cleanup "error while reloading, exiting.";
3014	exit 1;	3962	};
		3963
		3964	info "reloaded";
		3965	--$RELOAD;
3015	};	3966	}
3016		3967
3017	warn "reloaded";	3968	$t1 = AE::time - $t1;
		3969	info "reload completed in ${t1}s\n";
3018	};	3970	};
3019		3971
3020	our $RELOAD_WATCHER; # used only during reload	3972	our $RELOAD_WATCHER; # used only during reload
3021		3973
3022	sub reload_perl() {	3974	sub reload_perl() {
3023	# doing reload synchronously and two reloads happen back-to-back,	3975	# doing reload synchronously and two reloads happen back-to-back,
3024	# coro crashes during coro_state_free->destroy here.	3976	# coro crashes during coro_state_free->destroy here.
3025		3977
3026	$RELOAD_WATCHER ||= Event->timer (	3978	$RELOAD_WATCHER ||= cf::async {
3027	reentrant => 0,	3979	Coro::AIO::aio_wait cache_extensions;
3028	after => 0,	3980
3029	data => WF_AUTOCANCEL,	3981	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3030	cb => sub {
3031	do_reload_perl;	3982	do_reload_perl;
3032	undef $RELOAD_WATCHER;	3983	undef $RELOAD_WATCHER;
3033	},	3984	};
3034	);	3985	};
3035	}	3986	}
3036		3987
3037	register_command "reload" => sub {	3988	register_command "reload" => sub {
3038	my ($who, $arg) = @_;	3989	my ($who, $arg) = @_;
3039		3990
3040	if ($who->flag (FLAG_WIZ)) {	3991	if ($who->flag (FLAG_WIZ)) {
3041	$who->message ("reloading server.");	3992	$who->message ("reloading server.");
		3993	async {
		3994	$Coro::current->{desc} = "perl_reload";
3042	async { reload_perl };	3995	reload_perl;
		3996	};
3043	}	3997	}
3044	};	3998	};
3045		3999
3046	unshift @INC, $LIBDIR;	4000	unshift @INC, $LIBDIR;
3047		4001
…		…
3049		4003
3050	our @WAIT_FOR_TICK;	4004	our @WAIT_FOR_TICK;
3051	our @WAIT_FOR_TICK_BEGIN;	4005	our @WAIT_FOR_TICK_BEGIN;
3052		4006
3053	sub wait_for_tick {	4007	sub wait_for_tick {
3054	return unless $TICK_WATCHER->is_active;
3055	return if $Coro::current == $Coro::main;	4008	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3056		4009
3057	my $signal = new Coro::Signal;	4010	my $signal = new Coro::Signal;
3058	push @WAIT_FOR_TICK, $signal;	4011	push @WAIT_FOR_TICK, $signal;
3059	$signal->wait;	4012	$signal->wait;
3060	}	4013	}
3061		4014
3062	sub wait_for_tick_begin {	4015	sub wait_for_tick_begin {
3063	return unless $TICK_WATCHER->is_active;
3064	return if $Coro::current == $Coro::main;	4016	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3065		4017
3066	my $signal = new Coro::Signal;	4018	my $signal = new Coro::Signal;
3067	push @WAIT_FOR_TICK_BEGIN, $signal;	4019	push @WAIT_FOR_TICK_BEGIN, $signal;
3068	$signal->wait;	4020	$signal->wait;
3069	}	4021	}
3070		4022
3071	my $min = 1e6;#d#	4023	sub tick {
3072	my $avg = 10;
3073	$TICK_WATCHER = Event->timer (
3074	reentrant => 0,
3075	parked => 1,
3076	prio => 0,
3077	at => $NEXT_TICK || $TICK,
3078	data => WF_AUTOCANCEL,
3079	cb => sub {
3080	if ($Coro::current != $Coro::main) {	4024	if ($Coro::current != $Coro::main) {
3081	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4025	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3082	unless ++$bug_warning > 10;	4026	unless ++$bug_warning > 10;
3083	return;	4027	return;
3084	}	4028	}
3085		4029
3086	$NOW = $tick_start = Event::time;
3087
3088	cf::server_tick; # one server iteration	4030	cf::server_tick; # one server iteration
3089		4031
3090	0 && sync_job {#d#	4032	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3091	for(1..10) {
3092	my $t = Event::time;
3093	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3094	or die;
3095		4033
3096	$map->width (50);	4034	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3097	$map->height (50);	4035	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3098	$map->alloc;	4036	Coro::async_pool {
3099	$map->_load_objects ("/tmp/x.map", 1);	4037	$Coro::current->{desc} = "runtime saver";
3100	my $t = Event::time - $t;	4038	write_runtime_sync
3101		4039	or error "ERROR: unable to write runtime file: $!";
3102	#next unless $t < 0.0013;#d#
3103	if ($t < $min) {
3104	$min = $t;
3105	}
3106	$avg = $avg * 0.99 + $t * 0.01;
3107	}
3108	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3109	exit 0;
3110	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3111	};	4040	};
		4041	}
3112		4042
3113	$RUNTIME += $TICK;
3114	$NEXT_TICK += $TICK;
3115
3116	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3117	$NEXT_RUNTIME_WRITE = $NOW + 10;
3118	Coro::async_pool {
3119	write_runtime
3120	or warn "ERROR: unable to write runtime file: $!";
3121	};
3122	}
3123
3124	# my $AFTER = Event::time;
3125	# warn $AFTER - $NOW;#d#
3126
3127	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4043	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3128	$sig->send;	4044	$sig->send;
3129	}	4045	}
3130	while (my $sig = shift @WAIT_FOR_TICK) {	4046	while (my $sig = shift @WAIT_FOR_TICK) {
3131	$sig->send;	4047	$sig->send;
3132	}	4048	}
3133		4049
3134	$NOW = Event::time;	4050	$LOAD = ($NOW - $TICK_START) / $TICK;
3135
3136	# if we are delayed by four ticks or more, skip them all
3137	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3138
3139	$TICK_WATCHER->at ($NEXT_TICK);
3140	$TICK_WATCHER->start;
3141
3142	$LOAD = ($NOW - $tick_start) / $TICK;
3143	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4051	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3144		4052
3145	_post_tick;	4053	if (0) {
3146		4054	if ($NEXT_TICK) {
3147		4055	my $jitter = $TICK_START - $NEXT_TICK;
		4056	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4057	debug "jitter $JITTER\n";#d#
		4058	}
3148	},	4059	}
3149	);	4060	}
3150		4061
3151	{	4062	{
3152	BDB::max_poll_time $TICK * 0.1;	4063	# configure BDB
3153	$BDB_POLL_WATCHER = Event->io (	4064
3154	reentrant => 0,
3155	fd => BDB::poll_fileno,
3156	poll => 'r',
3157	prio => 0,
3158	data => WF_AUTOCANCEL,
3159	cb => \&BDB::poll_cb,
3160	);
3161	BDB::min_parallel 8;	4065	BDB::min_parallel 16;
3162		4066	BDB::max_poll_reqs $TICK * 0.1;
3163	BDB::set_sync_prepare {	4067	$AnyEvent::BDB::WATCHER->priority (1);
3164	my $status;
3165	my $current = $Coro::current;
3166	(
3167	sub {
3168	$status = $!;
3169	$current->ready; undef $current;
3170	},
3171	sub {
3172	Coro::schedule while defined $current;
3173	$! = $status;
3174	},
3175	)
3176	};
3177		4068
3178	unless ($DB_ENV) {	4069	unless ($DB_ENV) {
3179	$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);
3180		4076
3181	cf::sync_job {	4077	cf::sync_job {
3182	eval {	4078	eval {
3183	BDB::db_env_open	4079	BDB::db_env_open
3184	$DB_ENV,	4080	$DB_ENV,
…		…
3186	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4082	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3187	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4083	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3188	0666;	4084	0666;
3189		4085
3190	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4086	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3191
3192	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3193	$DB_ENV->set_lk_detect;
3194	};	4087	};
3195		4088
3196	cf::cleanup "db_env_open(db): $@" if $@;	4089	cf::cleanup "db_env_open(db): $@" if $@;
3197	};	4090	};
3198	}	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	};
3199	}	4102	}
3200		4103
3201	{	4104	{
		4105	# configure IO::AIO
		4106
3202	IO::AIO::min_parallel 8;	4107	IO::AIO::min_parallel 8;
3203
3204	undef $Coro::AIO::WATCHER;
3205	IO::AIO::max_poll_time $TICK * 0.1;	4108	IO::AIO::max_poll_time $TICK * 0.1;
3206	$AIO_POLL_WATCHER = Event->io (	4109	undef $AnyEvent::AIO::WATCHER;
3207	reentrant => 0,
3208	data => WF_AUTOCANCEL,
3209	fd => IO::AIO::poll_fileno,
3210	poll => 'r',
3211	prio => 6,
3212	cb => \&IO::AIO::poll_cb,
3213	);
3214	}	4110	}
3215		4111
3216	my $_log_backtrace;	4112	my $_log_backtrace;
3217		4113
3218	sub _log_backtrace {	4114	sub _log_backtrace {
…		…
3221	$msg =~ s/\n//;	4117	$msg =~ s/\n//;
3222		4118
3223	# limit the # of concurrent backtraces	4119	# limit the # of concurrent backtraces
3224	if ($_log_backtrace < 2) {	4120	if ($_log_backtrace < 2) {
3225	++$_log_backtrace;	4121	++$_log_backtrace;
		4122	my $perl_bt = Carp::longmess $msg;
3226	async {	4123	async {
		4124	$Coro::current->{desc} = "abt $msg";
		4125
3227	my @bt = fork_call {	4126	my @bt = fork_call {
3228	@addr = map { sprintf "%x", $_ } @addr;	4127	@addr = map { sprintf "%x", $_ } @addr;
3229	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4128	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3230	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 |"
3231	or die "addr2line: $!";	4130	or die "addr2line: $!";
…		…
3239	}	4138	}
3240		4139
3241	@funcs	4140	@funcs
3242	};	4141	};
3243		4142
3244	LOG llevInfo, "[ABT] $msg\n";	4143	LOG llevInfo, "[ABT] $perl_bt\n";
		4144	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3245	LOG llevInfo, "[ABT] $_\n" for @bt;	4145	LOG llevInfo, "[ABT] $_\n" for @bt;
3246	--$_log_backtrace;	4146	--$_log_backtrace;
3247	};	4147	};
3248	} else {	4148	} else {
3249	LOG llevInfo, "[ABT] $msg\n";	4149	LOG llevInfo, "[ABT] $msg\n";
3250	LOG llevInfo, "[ABT] [suppressed]\n";	4150	LOG llevInfo, "[ABT] [suppressed]\n";
3251	}	4151	}
3252	}	4152	}
3253		4153
3254	# load additional modules	4154	# load additional modules
3255	use cf::pod;	4155	require "cf/$_.pm" for @EXTRA_MODULES;
		4156	cf::_connect_to_perl_2;
3256		4157
3257	END { cf::emergency_save }	4158	END { cf::emergency_save }
3258		4159
3259	1	4160	1
3260		4161

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