ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.298 by root, Sun Jul 8 14:50:07 2007 UTC vs.
Revision 1.533 by root, Thu Apr 29 07:59:17 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 ($Coro::main)
333	is always able to handle events or runnable, as Crossfire TRT is only	509	is always able to handle events or runnable, as Deliantra is only
334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	510	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
335	acceptable.	511	acceptable.
336		512
337	If it must be done, put the blocking parts into C<sync_job>. This will run	513	If it must be done, put the blocking parts into C<sync_job>. This will run
338	the given BLOCK in another coroutine while waiting for the result. The	514	the given BLOCK in another coroutine while waiting for the result. The
…		…
343		519
344	sub sync_job(&) {	520	sub sync_job(&) {
345	my ($job) = @_;	521	my ($job) = @_;
346		522
347	if ($Coro::current == $Coro::main) {	523	if ($Coro::current == $Coro::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 $fh1)->readline (undef);
426	warn "pst<$res>" unless $res =~ /^pst/;
427	$res = Coro::Storable::thaw $res;
428
429	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
430
431	Carp::confess $$res unless "ARRAY" eq ref $res;
432
433	return wantarray ? @$res : $res->[-1];
434	} else {
435	reset_signals;	600	reset_signals;
436	local $SIG{__WARN__};	601	&$cb
437	local $SIG{__DIE__};	602	}, @args;
438	local $Coro::idle;
439	$Coro::current->prio (Coro::PRIO_MAX);
440	eval {
441	close $fh1;
442		603
443	my @res = eval { $cb->(@args) };	604	wantarray ? @res : $res[-1]
		605	}
444		606
445	open my $fh, ">", \my $buf	607	sub objinfo {
446	or die "fork_call: cannot open fh-to-buf in child : $!";
447	Storable::store_fd +($@ ? \"$@" : \@res), $fh;
448	close $fh;
449
450	warn "writing ", length $buf;
451	my $x;
452	(length $buf) == ($x = syswrite $fh2, $buf)
453	or warn "error writing ".(length $buf)." != $x\n";
454	close $fh2;
455	};
456
457	warn $@ if $@;
458	_exit 0;
459	}	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
460	}	643	}
461		644
462	=item $value = cf::db_get $family => $key	645	=item $value = cf::db_get $family => $key
463		646
464	Returns a single value from the environment database.	647	Returns a single value from the environment database.
…		…
466	=item cf::db_put $family => $key => $value	649	=item cf::db_put $family => $key => $value
467		650
468	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
469	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).
470		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
471	=cut	659	=cut
		660
		661	sub db_table($) {
		662	my ($name) = @_;
		663	my $db = BDB::db_create $DB_ENV;
		664
		665	eval {
		666	$db->set_flags (BDB::CHKSUM);
		667
		668	utf8::encode $name;
		669	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		670	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		671	cf::cleanup "db_open(db): $!" if $!;
		672	};
		673	cf::cleanup "db_open(db): $@" if $@;
		674
		675	$db
		676	}
472		677
473	our $DB;	678	our $DB;
474		679
475	sub db_init {	680	sub db_init {
476	unless ($DB) {
477	$DB = BDB::db_create $DB_ENV;
478
479	cf::sync_job {	681	cf::sync_job {
480	eval {	682	$DB ||= db_table "db";
481	$DB->set_flags (BDB::CHKSUM);
482
483	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
484	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
485	cf::cleanup "db_open(db): $!" if $!;
486	};
487	cf::cleanup "db_open(db): $@" if $@;
488	};
489	}	683	};
490	}	684	}
491		685
492	sub db_get($$) {	686	sub db_get($$) {
493	my $key = "$_[0]/$_[1]";	687	my $key = "$_[0]/$_[1]";
494		688
…		…
544	if (1) {	738	if (1) {
545	$md5 =	739	$md5 =
546	join "\x00",	740	join "\x00",
547	$processversion,	741	$processversion,
548	map {	742	map {
549	Coro::cede;	743	cf::cede_to_tick;
550	($src->[$_], Digest::MD5::md5_hex $data[$_])	744	($src->[$_], Digest::MD5::md5_hex $data[$_])
551	} 0.. $#$src;	745	} 0.. $#$src;
552		746
553		747
554	my $dbmd5 = db_get cache => "$id/md5";	748	my $dbmd5 = db_get cache => "$id/md5";
…		…
561		755
562	my $t1 = Time::HiRes::time;	756	my $t1 = Time::HiRes::time;
563	my $data = $process->(\@data);	757	my $data = $process->(\@data);
564	my $t2 = Time::HiRes::time;	758	my $t2 = Time::HiRes::time;
565		759
566	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	760	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
567		761
568	db_put cache => "$id/data", $data;	762	db_put cache => "$id/data", $data;
569	db_put cache => "$id/md5" , $md5;	763	db_put cache => "$id/md5" , $md5;
570	db_put cache => "$id/meta", $meta;	764	db_put cache => "$id/meta", $meta;
571		765
…		…
581		775
582	=cut	776	=cut
583		777
584	sub datalog($@) {	778	sub datalog($@) {
585	my ($type, %kv) = @_;	779	my ($type, %kv) = @_;
586	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	780	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
587	}	781	}
588		782
589	=back	783	=back
590		784
591	=cut	785	=cut
592		786
593	#############################################################################	787	#############################################################################
594		788
595	=head2 ATTACHABLE OBJECTS	789	=head2 ATTACHABLE OBJECTS
596		790
597	Many objects in crossfire are so-called attachable objects. That means you can	791	Many objects in deliantra are so-called attachable objects. That means you can
598	attach callbacks/event handlers (a collection of which is called an "attachment")	792	attach callbacks/event handlers (a collection of which is called an "attachment")
599	to it. All such attachable objects support the following methods.	793	to it. All such attachable objects support the following methods.
600		794
601	In the following description, CLASS can be any of C<global>, C<object>	795	In the following description, CLASS can be any of C<global>, C<object>
602	C<player>, C<client> or C<map> (i.e. the attachable objects in	796	C<player>, C<client> or C<map> (i.e. the attachable objects in
603	Crossfire TRT).	797	Deliantra).
604		798
605	=over 4	799	=over 4
606		800
607	=item $attachable->attach ($attachment, key => $value...)	801	=item $attachable->attach ($attachment, key => $value...)
608		802
…		…
652	=item cf::CLASS::attachment $name, ...	846	=item cf::CLASS::attachment $name, ...
653		847
654	Register an attachment by C<$name> through which attachable objects of the	848	Register an attachment by C<$name> through which attachable objects of the
655	given CLASS can refer to this attachment.	849	given CLASS can refer to this attachment.
656		850
657	Some classes such as crossfire maps and objects can specify attachments	851	Some classes such as deliantra maps and objects can specify attachments
658	that are attached at load/instantiate time, thus the need for a name.	852	that are attached at load/instantiate time, thus the need for a name.
659		853
660	These calls expect any number of the following handler/hook descriptions:	854	These calls expect any number of the following handler/hook descriptions:
661		855
662	=over 4	856	=over 4
…		…
786		980
787	} elsif (exists $cb_id{$type}) {	981	} elsif (exists $cb_id{$type}) {
788	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	982	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
789		983
790	} elsif (ref $type) {	984	} elsif (ref $type) {
791	warn "attaching objects not supported, ignoring.\n";	985	error "attaching objects not supported, ignoring.\n";
792		986
793	} else {	987	} else {
794	shift @arg;	988	shift @arg;
795	warn "attach argument '$type' not supported, ignoring.\n";	989	error "attach argument '$type' not supported, ignoring.\n";
796	}	990	}
797	}	991	}
798	}	992	}
799		993
800	sub _object_attach {	994	sub _object_attach {
…		…
810	_attach $registry, $klass, @attach;	1004	_attach $registry, $klass, @attach;
811	}	1005	}
812		1006
813	$obj->{$name} = \%arg;	1007	$obj->{$name} = \%arg;
814	} else {	1008	} else {
815	warn "object uses attachment '$name' which is not available, postponing.\n";	1009	info "object uses attachment '$name' which is not available, postponing.\n";
816	}	1010	}
817		1011
818	$obj->{_attachment}{$name} = undef;	1012	$obj->{_attachment}{$name} = undef;
819	}	1013	}
820		1014
…		…
860	";	1054	";
861	die if $@;	1055	die if $@;
862	}	1056	}
863		1057
864	our $override;	1058	our $override;
865	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1059	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
866		1060
867	sub override {	1061	sub override {
868	$override = 1;	1062	$override = 1;
869	@invoke_results = ();	1063	@INVOKE_RESULTS = (@_);
870	}	1064	}
871		1065
872	sub do_invoke {	1066	sub do_invoke {
873	my $event = shift;	1067	my $event = shift;
874	my $callbacks = shift;	1068	my $callbacks = shift;
875		1069
876	@invoke_results = ();	1070	@INVOKE_RESULTS = ();
877		1071
878	local $override;	1072	local $override;
879		1073
880	for (@$callbacks) {	1074	for (@$callbacks) {
881	eval { &{$_->[1]} };	1075	eval { &{$_->[1]} };
882		1076
883	if ($@) {	1077	if ($@) {
884	warn "$@";
885	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1078	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
886	override;	1079	override;
887	}	1080	}
888		1081
889	return 1 if $override;	1082	return 1 if $override;
890	}	1083	}
891		1084
892	0	1085	0
893	}	1086	}
894		1087
895	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1088	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
896		1089
897	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
898		1091
899	Generate an object-specific event with the given arguments.	1092	Generate an object-specific event with the given arguments.
900		1093
901	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1094	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
902	removed in future versions), and there is no public API to access override	1095	removed in future versions), and there is no public API to access override
903	results (if you must, access C<@cf::invoke_results> directly).	1096	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
904		1097
905	=back	1098	=back
906		1099
907	=cut	1100	=cut
908		1101
909	#############################################################################	1102	#############################################################################
910	# object support	1103	# object support
		1104
		1105	sub _object_equal($$);
		1106	sub _object_equal($$) {
		1107	my ($a, $b) = @_;
		1108
		1109	return 0 unless (ref $a) eq (ref $b);
		1110
		1111	if ("HASH" eq ref $a) {
		1112	my @ka = keys %$a;
		1113	my @kb = keys %$b;
		1114
		1115	return 0 if @ka != @kb;
		1116
		1117	for (0 .. $#ka) {
		1118	return 0 unless $ka[$_] eq $kb[$_];
		1119	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1120	}
		1121
		1122	} elsif ("ARRAY" eq ref $a) {
		1123
		1124	return 0 if @$a != @$b;
		1125
		1126	for (0 .. $#$a) {
		1127	return 0 unless _object_equal $a->[$_], $b->[$_];
		1128	}
		1129
		1130	} elsif ($a ne $b) {
		1131	return 0;
		1132	}
		1133
		1134	1
		1135	}
		1136
		1137	our $SLOW_MERGES;#d#
		1138	sub _can_merge {
		1139	my ($ob1, $ob2) = @_;
		1140
		1141	++$SLOW_MERGES;#d#
		1142
		1143	# we do the slow way here
		1144	return _object_equal $ob1, $ob2
		1145	}
911		1146
912	sub reattach {	1147	sub reattach {
913	# basically do the same as instantiate, without calling instantiate	1148	# basically do the same as instantiate, without calling instantiate
914	my ($obj) = @_;	1149	my ($obj) = @_;
915		1150
		1151	# no longer needed after getting rid of delete_package?
916	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1152	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
917		1153
918	my $registry = $obj->registry;	1154	my $registry = $obj->registry;
919		1155
920	@$registry = ();	1156	@$registry = ();
921		1157
…		…
926	for (@$attach) {	1162	for (@$attach) {
927	my ($klass, @attach) = @$_;	1163	my ($klass, @attach) = @$_;
928	_attach $registry, $klass, @attach;	1164	_attach $registry, $klass, @attach;
929	}	1165	}
930	} else {	1166	} else {
931	warn "object uses attachment '$name' that is not available, postponing.\n";	1167	info "object uses attachment '$name' that is not available, postponing.\n";
932	}	1168	}
933	}	1169	}
934	}	1170	}
935		1171
936	cf::attachable->attach (	1172	cf::attachable->attach (
937	prio => -1000000,	1173	prio => -1000000,
938	on_instantiate => sub {	1174	on_instantiate => sub {
939	my ($obj, $data) = @_;	1175	my ($obj, $data) = @_;
940		1176
941	$data = from_json $data;	1177	$data = decode_json $data;
942		1178
943	for (@$data) {	1179	for (@$data) {
944	my ($name, $args) = @$_;	1180	my ($name, $args) = @$_;
945		1181
946	$obj->attach ($name, %{$args || {} });	1182	$obj->attach ($name, %{$args || {} });
…		…
962	sub object_freezer_save {	1198	sub object_freezer_save {
963	my ($filename, $rdata, $objs) = @_;	1199	my ($filename, $rdata, $objs) = @_;
964		1200
965	sync_job {	1201	sync_job {
966	if (length $$rdata) {	1202	if (length $$rdata) {
		1203	utf8::decode (my $decname = $filename);
967	warn sprintf "saving %s (%d,%d)\n",	1204	trace sprintf "saving %s (%d,%d)\n",
968	$filename, length $$rdata, scalar @$objs;	1205	$decname, length $$rdata, scalar @$objs
		1206	if $VERBOSE_IO;
969		1207
970	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1208	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
971	chmod SAVE_MODE, $fh;	1209	aio_chmod $fh, SAVE_MODE;
972	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1210	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
973	aio_fsync $fh if $cf::USE_FSYNC;	1211	if ($cf::USE_FSYNC) {
		1212	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1213	aio_fsync $fh;
		1214	}
974	close $fh;	1215	aio_close $fh;
975		1216
976	if (@$objs) {	1217	if (@$objs) {
977	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1218	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
978	chmod SAVE_MODE, $fh;	1219	aio_chmod $fh, SAVE_MODE;
979	my $data = Storable::nfreeze { version => 1, objs => $objs };	1220	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
980	aio_write $fh, 0, (length $data), $data, 0;	1221	aio_write $fh, 0, (length $data), $data, 0;
981	aio_fsync $fh if $cf::USE_FSYNC;	1222	if ($cf::USE_FSYNC) {
		1223	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1224	aio_fsync $fh;
		1225	}
982	close $fh;	1226	aio_close $fh;
983	aio_rename "$filename.pst~", "$filename.pst";	1227	aio_rename "$filename.pst~", "$filename.pst";
984	}	1228	}
985	} else {	1229	} else {
986	aio_unlink "$filename.pst";	1230	aio_unlink "$filename.pst";
987	}	1231	}
988		1232
989	aio_rename "$filename~", $filename;	1233	aio_rename "$filename~", $filename;
		1234
		1235	$filename =~ s%/[^/]+$%%;
		1236	aio_pathsync $filename if $cf::USE_FSYNC;
990	} else {	1237	} else {
991	warn "FATAL: $filename~: $!\n";	1238	error "unable to save objects: $filename~: $!\n";
992	}	1239	}
993	} else {	1240	} else {
994	aio_unlink $filename;	1241	aio_unlink $filename;
995	aio_unlink "$filename.pst";	1242	aio_unlink "$filename.pst";
996	}	1243	}
997	}	1244	};
998	}	1245	}
999		1246
1000	sub object_freezer_as_string {	1247	sub object_freezer_as_string {
1001	my ($rdata, $objs) = @_;	1248	my ($rdata, $objs) = @_;
1002		1249
…		…
1014	or return;	1261	or return;
1015		1262
1016	unless (aio_stat "$filename.pst") {	1263	unless (aio_stat "$filename.pst") {
1017	(aio_load "$filename.pst", $av) >= 0	1264	(aio_load "$filename.pst", $av) >= 0
1018	or return;	1265	or return;
		1266
1019	$av = eval { (Storable::thaw $av)->{objs} };	1267	my $st = eval { Coro::Storable::thaw $av };
		1268	$av = $st->{objs};
1020	}	1269	}
1021		1270
		1271	utf8::decode (my $decname = $filename);
1022	warn sprintf "loading %s (%d)\n",	1272	trace sprintf "loading %s (%d,%d)\n",
1023	$filename, length $data, scalar @{$av || []};	1273	$decname, length $data, scalar @{$av || []}
		1274	if $VERBOSE_IO;
		1275
1024	return ($data, $av);	1276	($data, $av)
1025	}	1277	}
1026		1278
1027	=head2 COMMAND CALLBACKS	1279	=head2 COMMAND CALLBACKS
1028		1280
1029	=over 4	1281	=over 4
…		…
1083	my ($name, $cb) = @_;	1335	my ($name, $cb) = @_;
1084		1336
1085	$EXTICMD{$name} = $cb;	1337	$EXTICMD{$name} = $cb;
1086	}	1338	}
1087		1339
		1340	use File::Glob ();
		1341
1088	cf::player->attach (	1342	cf::player->attach (
1089	on_command => sub {	1343	on_unknown_command => sub {
1090	my ($pl, $name, $params) = @_;	1344	my ($pl, $name, $params) = @_;
1091		1345
1092	my $cb = $COMMAND{$name}	1346	my $cb = $COMMAND{$name}
1093	or return;	1347	or return;
1094		1348
…		…
1102	my ($pl, $buf) = @_;	1356	my ($pl, $buf) = @_;
1103		1357
1104	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1358	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1105		1359
1106	if (ref $msg) {	1360	if (ref $msg) {
		1361	my ($type, $reply, @payload) =
		1362	"ARRAY" eq ref $msg
		1363	? @$msg
		1364	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1365
		1366	my @reply;
		1367
1107	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1368	if (my $cb = $EXTCMD{$type}) {
1108	if (my %reply = $cb->($pl, $msg)) {	1369	@reply = $cb->($pl, @payload);
1109	$pl->ext_reply ($msg->{msgid}, %reply);
1110	}
1111	}	1370	}
		1371
		1372	$pl->ext_reply ($reply, @reply)
		1373	if $reply;
		1374
1112	} else {	1375	} else {
1113	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1376	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1114	}	1377	}
1115		1378
1116	cf::override;	1379	cf::override;
1117	},	1380	},
1118	);	1381	);
1119		1382
		1383	# "readahead" all extensions
		1384	sub cache_extensions {
		1385	my $grp = IO::AIO::aio_group;
		1386
		1387	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1388	for (grep /\.ext$/, @{$_[0]}) {
		1389	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1390	}
		1391	};
		1392
		1393	$grp
		1394	}
		1395
1120	sub load_extensions {	1396	sub load_extensions {
		1397	info "loading extensions...";
		1398
1121	cf::sync_job {	1399	cf::sync_job {
1122	my %todo;	1400	my %todo;
1123		1401
1124	for my $path (<$LIBDIR/*.ext>) {	1402	for my $path (<$LIBDIR/*.ext>) {
1125	next unless -r $path;	1403	next unless -r $path;
…		…
1143		1421
1144	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1422	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1145	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1423	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1146		1424
1147	$ext{source} =	1425	$ext{source} =
1148	"package $pkg; use strict; use utf8;\n"	1426	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1149	. "#line 1 \"$path\"\n{\n"	1427	. "#line 1 \"$path\"\n{\n"
1150	. $source	1428	. $source
1151	. "\n};\n1";	1429	. "\n};\n1";
1152		1430
1153	$todo{$base} = \%ext;	1431	$todo{$base} = \%ext;
1154	}	1432	}
1155		1433
		1434	my $pass = 0;
1156	my %done;	1435	my %done;
1157	while (%todo) {	1436	while (%todo) {
1158	my $progress;	1437	my $progress;
1159		1438
		1439	++$pass;
		1440
		1441	ext:
1160	while (my ($k, $v) = each %todo) {	1442	while (my ($k, $v) = each %todo) {
1161	for (split /,\s*/, $v->{meta}{depends}) {	1443	for (split /,\s*/, $v->{meta}{depends}) {
1162	goto skip	1444	next ext
1163	unless exists $done{$_};	1445	unless exists $done{$_};
1164	}	1446	}
1165		1447
1166	warn "... loading '$k' into '$v->{pkg}'\n";	1448	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1167		1449
1168	unless (eval $v->{source}) {	1450	my $active = eval $v->{source};
		1451
		1452	if (length $@) {
1169	my $msg = $@ ? "$v->{path}: $@\n"	1453	error "$v->{path}: $@\n";
1170	: "$v->{base}: extension inactive.\n";
1171		1454
		1455	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1172	if (exists $v->{meta}{mandatory}) {	1456	if exists $v->{meta}{mandatory};
1173	warn $msg;	1457
1174	warn "mandatory extension failed to load, exiting.\n";	1458	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1175	exit 1;	1459	delete $todo{$k};
1176	}	1460	} else {
1177		1461	$done{$k} = delete $todo{$k};
1178	warn $msg;	1462	push @EXTS, $v->{pkg};
		1463	$progress = 1;
		1464
		1465	info "$v->{base}: extension inactive.\n"
		1466	unless $active;
1179	}	1467	}
1180
1181	$done{$k} = delete $todo{$k};
1182	push @EXTS, $v->{pkg};
1183	$progress = 1;
1184	}	1468	}
1185		1469
1186	skip:	1470	unless ($progress) {
1187	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1471	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1188	unless $progress;	1472
		1473	while (my ($k, $v) = each %todo) {
		1474	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1475	if exists $v->{meta}{mandatory};
		1476	}
		1477	}
1189	}	1478	}
1190	};	1479	};
1191	}	1480	}
1192		1481
1193	#############################################################################	1482	#############################################################################
1194		1483
1195	=back	1484	=back
1196		1485
1197	=head2 CORE EXTENSIONS	1486	=head2 CORE EXTENSIONS
1198		1487
1199	Functions and methods that extend core crossfire objects.	1488	Functions and methods that extend core deliantra objects.
1200		1489
1201	=cut	1490	=cut
1202		1491
1203	package cf::player;	1492	package cf::player;
1204		1493
1205	use Coro::AIO;	1494	use Coro::AIO;
1206		1495
1207	=head3 cf::player	1496	=head3 cf::player
1208		1497
1209	=over 4	1498	=over 4
		1499
		1500	=item cf::player::num_playing
		1501
		1502	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1503
		1504	=cut
		1505
		1506	sub num_playing {
		1507	scalar grep
		1508	$_->ob->map
		1509	&& !$_->hidden
		1510	&& !$_->ob->flag (cf::FLAG_WIZ),
		1511	cf::player::list
		1512	}
1210		1513
1211	=item cf::player::find $login	1514	=item cf::player::find $login
1212		1515
1213	Returns the given player object, loading it if necessary (might block).	1516	Returns the given player object, loading it if necessary (might block).
1214		1517
…		…
1233		1536
1234	sub exists($) {	1537	sub exists($) {
1235	my ($login) = @_;	1538	my ($login) = @_;
1236		1539
1237	$cf::PLAYER{$login}	1540	$cf::PLAYER{$login}
1238	or cf::sync_job { !aio_stat path $login }	1541	or !aio_stat path $login
1239	}	1542	}
1240		1543
1241	sub find($) {	1544	sub find($) {
1242	return $cf::PLAYER{$_[0]} || do {	1545	return $cf::PLAYER{$_[0]} || do {
1243	my $login = $_[0];	1546	my $login = $_[0];
…		…
1250	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1553	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1251	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1554	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1252	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1555	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1253	aio_unlink +(playerdir $login) . "/$login.pl";	1556	aio_unlink +(playerdir $login) . "/$login.pl";
1254		1557
1255	my $pl = load_pl path $login	1558	my $f = new_from_file cf::object::thawer path $login
1256	or return;	1559	or return;
		1560
		1561	my $pl = cf::player::load_pl $f
		1562	or return;
		1563
		1564	local $cf::PLAYER_LOADING{$login} = $pl;
		1565	$f->resolve_delayed_derefs;
1257	$cf::PLAYER{$login} = $pl	1566	$cf::PLAYER{$login} = $pl
1258	}	1567	}
1259	}	1568	}
1260	}	1569	}
		1570
		1571	cf::player->attach (
		1572	on_load => sub {
		1573	my ($pl, $path) = @_;
		1574
		1575	# restore slots saved in save, below
		1576	my $slots = delete $pl->{_slots};
		1577
		1578	$pl->ob->current_weapon ($slots->[0]);
		1579	$pl->combat_ob ($slots->[1]);
		1580	$pl->ranged_ob ($slots->[2]);
		1581	},
		1582	);
1261		1583
1262	sub save($) {	1584	sub save($) {
1263	my ($pl) = @_;	1585	my ($pl) = @_;
1264		1586
1265	return if $pl->{deny_save};	1587	return if $pl->{deny_save};
…		…
1270	return if $pl->{deny_save};	1592	return if $pl->{deny_save};
1271		1593
1272	aio_mkdir playerdir $pl, 0770;	1594	aio_mkdir playerdir $pl, 0770;
1273	$pl->{last_save} = $cf::RUNTIME;	1595	$pl->{last_save} = $cf::RUNTIME;
1274		1596
		1597	cf::get_slot 0.01;
		1598
		1599	# save slots, to be restored later
		1600	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1601
1275	$pl->save_pl ($path);	1602	$pl->save_pl ($path);
1276	Coro::cede;	1603	cf::cede_to_tick;
1277	}	1604	}
1278		1605
1279	sub new($) {	1606	sub new($) {
1280	my ($login) = @_;	1607	my ($login) = @_;
1281		1608
…		…
1287	$cf::PLAYER{$login} = $self;	1614	$cf::PLAYER{$login} = $self;
1288		1615
1289	$self	1616	$self
1290	}	1617	}
1291		1618
		1619	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1620
		1621	=cut
		1622
		1623	sub send_msg {
		1624	my $ns = shift->ns
		1625	or return;
		1626	$ns->send_msg (@_);
		1627	}
		1628
1292	=item $pl->quit_character	1629	=item $pl->quit_character
1293		1630
1294	Nukes the player without looking back. If logged in, the connection will	1631	Nukes the player without looking back. If logged in, the connection will
1295	be destroyed. May block for a long time.	1632	be destroyed. May block for a long time.
1296		1633
…		…
1300	my ($pl) = @_;	1637	my ($pl) = @_;
1301		1638
1302	my $name = $pl->ob->name;	1639	my $name = $pl->ob->name;
1303		1640
1304	$pl->{deny_save} = 1;	1641	$pl->{deny_save} = 1;
1305	$pl->password ("*"); # this should lock out the player until we nuked the dir	1642	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1306		1643
1307	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1644	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1308	$pl->deactivate;	1645	$pl->deactivate;
		1646	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1309	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1647	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1310	$pl->ns->destroy if $pl->ns;	1648	$pl->ns->destroy if $pl->ns;
1311		1649
1312	my $path = playerdir $pl;	1650	my $path = playerdir $pl;
1313	my $temp = "$path~$cf::RUNTIME~deleting~";	1651	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1349	or return [];	1687	or return [];
1350		1688
1351	my @logins;	1689	my @logins;
1352		1690
1353	for my $login (@$dirs) {	1691	for my $login (@$dirs) {
		1692	my $path = path $login;
		1693
		1694	# a .pst is a dead give-away for a valid player
		1695	# if no pst file found, open and chekc for blocked users
		1696	if (aio_stat "$path.pst") {
1354	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1697	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1355	aio_read $fh, 0, 512, my $buf, 0 or next;	1698	aio_read $fh, 0, 512, my $buf, 0 or next;
1356	$buf !~ /^password -------------$/m or next; # official not-valid tag	1699	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1700	}
1357		1701
1358	utf8::decode $login;	1702	utf8::decode $login;
1359	push @logins, $login;	1703	push @logins, $login;
1360	}	1704	}
1361		1705
1362	\@logins	1706	\@logins
1363	}	1707	}
1364		1708
1365	=item $player->maps	1709	=item $player->maps
		1710
		1711	=item cf::player::maps $login
1366		1712
1367	Returns an arrayref of map paths that are private for this	1713	Returns an arrayref of map paths that are private for this
1368	player. May block.	1714	player. May block.
1369		1715
1370	=cut	1716	=cut
…		…
1388	}	1734	}
1389		1735
1390	\@paths	1736	\@paths
1391	}	1737	}
1392		1738
1393	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1739	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1394		1740
1395	Expand crossfire pod fragments into protocol xml.	1741	Expand deliantra pod fragments into protocol xml.
1396		1742
1397	=cut
1398
1399	sub expand_cfpod {
1400	((my $self), (local $_)) = @_;
1401
1402	# escape & and <
1403	s/&/&amp;/g;
1404	s/(?<![BIUGH])</&lt;/g;
1405
1406	# this is buggy, it needs to properly take care of nested <'s
1407
1408	1 while
1409	# replace B<>, I<>, U<> etc.
1410	s/B<([^\>]*)>/<b>$1<\/b>/
1411	|| s/I<([^\>]*)>/<i>$1<\/i>/
1412	|| s/U<([^\>]*)>/<u>$1<\/u>/
1413	# replace G<male|female> tags
1414	|| s{G<([^>|]*)\|([^>]*)>}{
1415	$self->gender ? $2 : $1
1416	}ge
1417	# replace H<hint text>
1418	|| s{H<([^\>]*)>}
1419	{
1420	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1421	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1422	"")
1423	[$self->{hintmode}]
1424	}ge;
1425
1426	# create single paragraphs (very hackish)
1427	s/(?<=\S)\n(?=\w)/ /g;
1428
1429	# compress some whitespace
1430	s/\s+\n/\n/g; # ws line-ends
1431	s/\n\n+/\n/g; # double lines
1432	s/^\n+//; # beginning lines
1433	s/\n+$//; # ending lines
1434
1435	$_
1436	}
1437
1438	sub hintmode {
1439	$_[0]{hintmode} = $_[1] if @_ > 1;
1440	$_[0]{hintmode}
1441	}
1442
1443	=item $player->ext_reply ($msgid, %msg)	1743	=item $player->ext_reply ($msgid, @msg)
1444		1744
1445	Sends an ext reply to the player.	1745	Sends an ext reply to the player.
1446		1746
1447	=cut	1747	=cut
1448		1748
1449	sub ext_reply($$%) {	1749	sub ext_reply($$@) {
1450	my ($self, $id, %msg) = @_;	1750	my ($self, $id, @msg) = @_;
1451		1751
1452	$msg{msgid} = $id;	1752	$self->ns->ext_reply ($id, @msg)
1453	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1454	}	1753	}
1455		1754
1456	=item $player->ext_event ($type, %msg)	1755	=item $player->ext_msg ($type, @msg)
1457		1756
1458	Sends an ext event to the client.	1757	Sends an ext event to the client.
1459		1758
1460	=cut	1759	=cut
1461		1760
1462	sub ext_event($$%) {	1761	sub ext_msg($$@) {
1463	my ($self, $type, %msg) = @_;	1762	my ($self, $type, @msg) = @_;
1464		1763
1465	$self->ns->ext_event ($type, %msg);	1764	$self->ns->ext_msg ($type, @msg);
1466	}	1765	}
1467		1766
1468	=head3 cf::region	1767	=head3 cf::region
1469		1768
1470	=over 4	1769	=over 4
…		…
1480	=cut	1779	=cut
1481		1780
1482	sub find_by_path($) {	1781	sub find_by_path($) {
1483	my ($path) = @_;	1782	my ($path) = @_;
1484		1783
		1784	$path =~ s/^~[^\/]*//; # skip ~login
		1785
1485	my ($match, $specificity);	1786	my ($match, $specificity);
1486		1787
1487	for my $region (list) {	1788	for my $region (list) {
1488	if ($region->match && $path =~ $region->match) {	1789	if ($region->{match} && $path =~ $region->{match}) {
1489	($match, $specificity) = ($region, $region->specificity)	1790	($match, $specificity) = ($region, $region->specificity)
1490	if $region->specificity > $specificity;	1791	if $region->specificity > $specificity;
1491	}	1792	}
1492	}	1793	}
1493		1794
…		…
1514	our $MAX_RESET = 3600;	1815	our $MAX_RESET = 3600;
1515	our $DEFAULT_RESET = 3000;	1816	our $DEFAULT_RESET = 3000;
1516		1817
1517	sub generate_random_map {	1818	sub generate_random_map {
1518	my ($self, $rmp) = @_;	1819	my ($self, $rmp) = @_;
		1820
		1821	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1822
1519	# mit "rum" bekleckern, nicht	1823	# mit "rum" bekleckern, nicht
1520	$self->_create_random_map (	1824	$self->_create_random_map (
1521	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1825	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1522	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1826	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1523	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1827	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1524	$rmp->{exit_on_final_map},	1828	$rmp->{exit_on_final_map},
1525	$rmp->{xsize}, $rmp->{ysize},	1829	$rmp->{xsize}, $rmp->{ysize},
1526	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1830	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1527	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1831	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1549		1853
1550	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1854	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1551	}	1855	}
1552		1856
1553	# also paths starting with '/'	1857	# also paths starting with '/'
1554	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1858	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1555		1859
1556	sub thawer_merge {	1860	sub thawer_merge {
1557	my ($self, $merge) = @_;	1861	my ($self, $merge) = @_;
1558		1862
1559	# we have to keep some variables in memory intact	1863	# we have to keep some variables in memory intact
…		…
1613	$self->init; # pass $1 etc.	1917	$self->init; # pass $1 etc.
1614	return $self;	1918	return $self;
1615	}	1919	}
1616	}	1920	}
1617		1921
1618	Carp::carp "unable to resolve path '$path' (base '$base').";	1922	Carp::cluck "unable to resolve path '$path' (base '$base').";
1619	()	1923	()
1620	}	1924	}
1621		1925
1622	sub init {	1926	sub init {
1623	my ($self) = @_;	1927	my ($self) = @_;
…		…
1645		1949
1646	# the temporary/swap location	1950	# the temporary/swap location
1647	sub save_path {	1951	sub save_path {
1648	my ($self) = @_;	1952	my ($self) = @_;
1649		1953
1650	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1954	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1651	"$TMPDIR/$path.map"	1955	"$TMPDIR/$path.map"
1652	}	1956	}
1653		1957
1654	# the unique path, undef == no special unique path	1958	# the unique path, undef == no special unique path
1655	sub uniq_path {	1959	sub uniq_path {
1656	my ($self) = @_;	1960	my ($self) = @_;
1657		1961
1658	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1962	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1659	"$UNIQUEDIR/$path"	1963	"$UNIQUEDIR/$path"
1660	}
1661
1662	# and all this just because we cannot iterate over
1663	# all maps in C++...
1664	sub change_all_map_light {
1665	my ($change) = @_;
1666
1667	$_->change_map_light ($change)
1668	for grep $_->outdoor, values %cf::MAP;
1669	}	1964	}
1670		1965
1671	sub decay_objects {	1966	sub decay_objects {
1672	my ($self) = @_;	1967	my ($self) = @_;
1673		1968
…		…
1686		1981
1687	sub load_header_from($) {	1982	sub load_header_from($) {
1688	my ($self, $path) = @_;	1983	my ($self, $path) = @_;
1689		1984
1690	utf8::encode $path;	1985	utf8::encode $path;
1691	#aio_open $path, O_RDONLY, 0	1986	my $f = new_from_file cf::object::thawer $path
1692	# or return;
1693
1694	$self->_load_header ($path)
1695	or return;	1987	or return;
		1988
		1989	$self->_load_header ($f)
		1990	or return;
		1991
		1992	local $MAP_LOADING{$self->{path}} = $self;
		1993	$f->resolve_delayed_derefs;
1696		1994
1697	$self->{load_path} = $path;	1995	$self->{load_path} = $path;
1698		1996
1699	1	1997	1
1700	}	1998	}
…		…
1754	sub find {	2052	sub find {
1755	my ($path, $origin) = @_;	2053	my ($path, $origin) = @_;
1756		2054
1757	$path = normalise $path, $origin && $origin->path;	2055	$path = normalise $path, $origin && $origin->path;
1758		2056
		2057	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1759	cf::lock_wait "map_find:$path";	2058	my $guard2 = cf::lock_acquire "map_find:$path";
1760		2059
1761	$cf::MAP{$path} || do {	2060	$cf::MAP{$path} || do {
1762	my $guard = cf::lock_acquire "map_find:$path";
1763	my $map = new_from_path cf::map $path	2061	my $map = new_from_path cf::map $path
1764	or return;	2062	or return;
1765		2063
1766	$map->{last_save} = $cf::RUNTIME;	2064	$map->{last_save} = $cf::RUNTIME;
1767		2065
…		…
1769	or return;	2067	or return;
1770		2068
1771	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2069	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1772	# doing this can freeze the server in a sync job, obviously	2070	# doing this can freeze the server in a sync job, obviously
1773	#$cf::WAIT_FOR_TICK->wait;	2071	#$cf::WAIT_FOR_TICK->wait;
		2072	undef $guard2;
		2073	undef $guard1;
1774	$map->reset;	2074	$map->reset;
1775	undef $guard;
1776	return find $path;	2075	return find $path;
1777	}	2076	}
1778		2077
1779	$cf::MAP{$path} = $map	2078	$cf::MAP{$path} = $map
1780	}	2079	}
1781	}	2080	}
1782		2081
1783	sub pre_load { }	2082	sub pre_load { }
1784	sub post_load { }	2083	#sub post_load { } # XS
1785		2084
1786	sub load {	2085	sub load {
1787	my ($self) = @_;	2086	my ($self) = @_;
1788		2087
1789	local $self->{deny_reset} = 1; # loading can take a long time	2088	local $self->{deny_reset} = 1; # loading can take a long time
1790		2089
1791	my $path = $self->{path};	2090	my $path = $self->{path};
1792		2091
1793	{	2092	{
1794	my $guard = cf::lock_acquire "map_load:$path";	2093	my $guard = cf::lock_acquire "map_data:$path";
1795		2094
		2095	return unless $self->valid;
1796	return if $self->in_memory != cf::MAP_SWAPPED;	2096	return unless $self->in_memory == cf::MAP_SWAPPED;
1797		2097
1798	$self->in_memory (cf::MAP_LOADING);	2098	$self->in_memory (cf::MAP_LOADING);
1799		2099
1800	$self->alloc;	2100	$self->alloc;
1801		2101
1802	$self->pre_load;	2102	$self->pre_load;
1803	Coro::cede;	2103	cf::cede_to_tick;
1804		2104
		2105	my $f = new_from_file cf::object::thawer $self->{load_path};
		2106	$f->skip_block;
1805	$self->_load_objects ($self->{load_path}, 1)	2107	$self->_load_objects ($f)
1806	or return;	2108	or return;
1807		2109
1808	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2110	$self->post_load_original
1809	if delete $self->{load_original};	2111	if delete $self->{load_original};
1810		2112
1811	if (my $uniq = $self->uniq_path) {	2113	if (my $uniq = $self->uniq_path) {
1812	utf8::encode $uniq;	2114	utf8::encode $uniq;
1813	if (aio_open $uniq, O_RDONLY, 0) {	2115	unless (aio_stat $uniq) {
		2116	if (my $f = new_from_file cf::object::thawer $uniq) {
1814	$self->clear_unique_items;	2117	$self->clear_unique_items;
1815	$self->_load_objects ($uniq, 0);	2118	$self->_load_objects ($f);
		2119	$f->resolve_delayed_derefs;
		2120	}
1816	}	2121	}
1817	}	2122	}
1818		2123
1819	Coro::cede;	2124	$f->resolve_delayed_derefs;
		2125
		2126	cf::cede_to_tick;
1820	# now do the right thing for maps	2127	# now do the right thing for maps
1821	$self->link_multipart_objects;	2128	$self->link_multipart_objects;
1822	$self->difficulty ($self->estimate_difficulty)	2129	$self->difficulty ($self->estimate_difficulty)
1823	unless $self->difficulty;	2130	unless $self->difficulty;
1824	Coro::cede;	2131	cf::cede_to_tick;
1825		2132
1826	unless ($self->{deny_activate}) {	2133	unless ($self->{deny_activate}) {
1827	$self->decay_objects;	2134	$self->decay_objects;
1828	$self->fix_auto_apply;	2135	$self->fix_auto_apply;
1829	$self->update_buttons;	2136	$self->update_buttons;
1830	Coro::cede;	2137	cf::cede_to_tick;
1831	$self->set_darkness_map;
1832	Coro::cede;
1833	$self->activate;	2138	$self->activate;
1834	}	2139	}
1835		2140
		2141	$self->{last_save} = $cf::RUNTIME;
		2142	$self->last_access ($cf::RUNTIME);
		2143
1836	$self->in_memory (cf::MAP_IN_MEMORY);	2144	$self->in_memory (cf::MAP_ACTIVE);
1837	}	2145	}
1838		2146
1839	$self->post_load;	2147	$self->post_load;
1840	}	2148	}
1841		2149
		2150	# customize the map for a given player, i.e.
		2151	# return the _real_ map. used by e.g. per-player
		2152	# maps to change the path to ~playername/mappath
1842	sub customise_for {	2153	sub customise_for {
1843	my ($self, $ob) = @_;	2154	my ($self, $ob) = @_;
1844		2155
1845	return find "~" . $ob->name . "/" . $self->{path}	2156	return find "~" . $ob->name . "/" . $self->{path}
1846	if $self->per_player;	2157	if $self->per_player;
…		…
1850		2161
1851	$self	2162	$self
1852	}	2163	}
1853		2164
1854	# find and load all maps in the 3x3 area around a map	2165	# find and load all maps in the 3x3 area around a map
1855	sub load_diag {	2166	sub load_neighbours {
1856	my ($map) = @_;	2167	my ($map) = @_;
1857		2168
1858	my @diag; # diagonal neighbours	2169	my @neigh; # diagonal neighbours
1859		2170
1860	for (0 .. 3) {	2171	for (0 .. 3) {
1861	my $neigh = $map->tile_path ($_)	2172	my $neigh = $map->tile_path ($_)
1862	or next;	2173	or next;
1863	$neigh = find $neigh, $map	2174	$neigh = find $neigh, $map
1864	or next;	2175	or next;
1865	$neigh->load;	2176	$neigh->load;
1866		2177
		2178	# now find the diagonal neighbours
		2179	push @neigh,
1867	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2180	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1868	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2181	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1869	}	2182	}
1870		2183
1871	for (@diag) {	2184	for (grep defined $_->[0], @neigh) {
		2185	my ($path, $origin) = @$_;
1872	my $neigh = find @$_	2186	my $neigh = find $path, $origin
1873	or next;	2187	or next;
1874	$neigh->load;	2188	$neigh->load;
1875	}	2189	}
1876	}	2190	}
1877		2191
…		…
1882	}	2196	}
1883		2197
1884	sub do_load_sync {	2198	sub do_load_sync {
1885	my ($map) = @_;	2199	my ($map) = @_;
1886		2200
		2201	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2202	if $Coro::current == $Coro::main;
		2203
1887	cf::sync_job { $map->load };	2204	cf::sync_job { $map->load };
1888	}	2205	}
1889		2206
1890	our %MAP_PREFETCH;	2207	our %MAP_PREFETCH;
1891	our $MAP_PREFETCHER = undef;	2208	our $MAP_PREFETCHER = undef;
1892		2209
1893	sub find_async {	2210	sub find_async {
1894	my ($path, $origin) = @_;	2211	my ($path, $origin, $load) = @_;
1895		2212
1896	$path = normalise $path, $origin && $origin->{path};	2213	$path = normalise $path, $origin && $origin->{path};
1897		2214
1898	if (my $map = $cf::MAP{$path}) {	2215	if (my $map = $cf::MAP{$path}) {
1899	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2216	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1900	}	2217	}
1901		2218
1902	undef $MAP_PREFETCH{$path};	2219	$MAP_PREFETCH{$path} |= $load;
		2220
1903	$MAP_PREFETCHER ||= cf::async {	2221	$MAP_PREFETCHER ||= cf::async {
		2222	$Coro::current->{desc} = "map prefetcher";
		2223
1904	while (%MAP_PREFETCH) {	2224	while (%MAP_PREFETCH) {
1905	for my $path (keys %MAP_PREFETCH) {	2225	while (my ($k, $v) = each %MAP_PREFETCH) {
1906	my $map = find $path	2226	if (my $map = find $k) {
1907	or next;
1908	$map->load;	2227	$map->load if $v;
		2228	}
1909		2229
1910	delete $MAP_PREFETCH{$path};	2230	delete $MAP_PREFETCH{$k};
1911	}	2231	}
1912	}	2232	}
1913	undef $MAP_PREFETCHER;	2233	undef $MAP_PREFETCHER;
1914	};	2234	};
1915	$MAP_PREFETCHER->prio (6);	2235	$MAP_PREFETCHER->prio (6);
1916		2236
1917	()	2237	()
1918	}	2238	}
1919		2239
		2240	# common code, used by both ->save and ->swapout
1920	sub save {	2241	sub _save {
1921	my ($self) = @_;	2242	my ($self) = @_;
1922
1923	my $lock = cf::lock_acquire "map_data:" . $self->path;
1924		2243
1925	$self->{last_save} = $cf::RUNTIME;	2244	$self->{last_save} = $cf::RUNTIME;
1926		2245
1927	return unless $self->dirty;	2246	return unless $self->dirty;
1928		2247
…		…
1934	return if $self->{deny_save};	2253	return if $self->{deny_save};
1935		2254
1936	local $self->{last_access} = $self->last_access;#d#	2255	local $self->{last_access} = $self->last_access;#d#
1937		2256
1938	cf::async {	2257	cf::async {
		2258	$Coro::current->{desc} = "map player save";
1939	$_->contr->save for $self->players;	2259	$_->contr->save for $self->players;
1940	};	2260	};
		2261
		2262	cf::get_slot 0.02;
1941		2263
1942	if ($uniq) {	2264	if ($uniq) {
1943	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2265	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1944	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2266	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1945	} else {	2267	} else {
1946	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2268	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1947	}	2269	}
1948	}	2270	}
1949		2271
		2272	sub save {
		2273	my ($self) = @_;
		2274
		2275	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2276
		2277	$self->_save;
		2278	}
		2279
1950	sub swap_out {	2280	sub swap_out {
1951	my ($self) = @_;	2281	my ($self) = @_;
1952		2282
1953	# save first because save cedes
1954	$self->save;
1955
1956	my $lock = cf::lock_acquire "map_data:" . $self->path;	2283	my $lock = cf::lock_acquire "map_data:$self->{path}";
1957		2284
		2285	return if $self->in_memory != cf::MAP_ACTIVE;
		2286	return if $self->{deny_save};
1958	return if $self->players;	2287	return if $self->players;
1959	return if $self->in_memory != cf::MAP_IN_MEMORY;
1960	return if $self->{deny_save};
1961		2288
		2289	# first deactivate the map and "unlink" it from the core
		2290	$self->deactivate;
		2291	$_->clear_links_to ($self) for values %cf::MAP;
		2292	$self->in_memory (cf::MAP_SWAPPED);
		2293
		2294	# then atomically save
		2295	$self->_save;
		2296
		2297	# then free the map
1962	$self->clear;	2298	$self->clear;
1963	$self->in_memory (cf::MAP_SWAPPED);
1964	}	2299	}
1965		2300
1966	sub reset_at {	2301	sub reset_at {
1967	my ($self) = @_;	2302	my ($self) = @_;
1968		2303
…		…
1986		2321
1987	my $lock = cf::lock_acquire "map_data:$self->{path}";	2322	my $lock = cf::lock_acquire "map_data:$self->{path}";
1988		2323
1989	return if $self->players;	2324	return if $self->players;
1990		2325
1991	warn "resetting map ", $self->path;	2326	cf::trace "resetting map ", $self->path, "\n";
1992		2327
1993	$self->in_memory (cf::MAP_SWAPPED);	2328	$self->in_memory (cf::MAP_SWAPPED);
1994		2329
1995	# need to save uniques path	2330	# need to save uniques path
1996	unless ($self->{deny_save}) {	2331	unless ($self->{deny_save}) {
…		…
2000	if $uniq;	2335	if $uniq;
2001	}	2336	}
2002		2337
2003	delete $cf::MAP{$self->path};	2338	delete $cf::MAP{$self->path};
2004		2339
		2340	$self->deactivate;
		2341	$_->clear_links_to ($self) for values %cf::MAP;
2005	$self->clear;	2342	$self->clear;
2006
2007	$_->clear_links_to ($self) for values %cf::MAP;
2008		2343
2009	$self->unlink_save;	2344	$self->unlink_save;
2010	$self->destroy;	2345	$self->destroy;
2011	}	2346	}
2012		2347
2013	my $nuke_counter = "aaaa";	2348	my $nuke_counter = "aaaa";
2014		2349
2015	sub nuke {	2350	sub nuke {
2016	my ($self) = @_;	2351	my ($self) = @_;
2017		2352
		2353	{
		2354	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2355
2018	delete $cf::MAP{$self->path};	2356	delete $cf::MAP{$self->path};
2019		2357
2020	$self->unlink_save;	2358	$self->unlink_save;
2021		2359
2022	bless $self, "cf::map";	2360	bless $self, "cf::map::wrap";
2023	delete $self->{deny_reset};	2361	delete $self->{deny_reset};
2024	$self->{deny_save} = 1;	2362	$self->{deny_save} = 1;
2025	$self->reset_timeout (1);	2363	$self->reset_timeout (1);
2026	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2364	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2027		2365
2028	$cf::MAP{$self->path} = $self;	2366	$cf::MAP{$self->path} = $self;
		2367	}
2029		2368
2030	$self->reset; # polite request, might not happen	2369	$self->reset; # polite request, might not happen
2031	}	2370	}
2032		2371
2033	=item $maps = cf::map::tmp_maps	2372	=item $maps = cf::map::tmp_maps
…		…
2075		2414
2076	sub unique_maps() {	2415	sub unique_maps() {
2077	[	2416	[
2078	map {	2417	map {
2079	utf8::decode $_;	2418	utf8::decode $_;
2080	/\.map$/	2419	s/\.map$//; # TODO future compatibility hack
		2420	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2421	? ()
2081	? normalise $_	2422	: normalise $_
2082	: ()
2083	} @{ aio_readdir $UNIQUEDIR or [] }	2423	} @{ aio_readdir $UNIQUEDIR or [] }
2084	]	2424	]
2085	}	2425	}
2086		2426
2087	package cf;	2427	=item cf::map::static_maps
		2428
		2429	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2430	file in the shared directory excluding F</styles> and F</editor>). May
		2431	block.
		2432
		2433	=cut
		2434
		2435	sub static_maps() {
		2436	my @dirs = "";
		2437	my @maps;
		2438
		2439	while (@dirs) {
		2440	my $dir = shift @dirs;
		2441
		2442	next if $dir eq "/styles" || $dir eq "/editor";
		2443
		2444	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2445	or return;
		2446
		2447	for (@$files) {
		2448	s/\.map$// or next;
		2449	utf8::decode $_;
		2450	push @maps, "$dir/$_";
		2451	}
		2452
		2453	push @dirs, map "$dir/$_", @$dirs;
		2454	}
		2455
		2456	\@maps
		2457	}
2088		2458
2089	=back	2459	=back
2090		2460
2091	=head3 cf::object	2461	=head3 cf::object
2092		2462
…		…
2096		2466
2097	=over 4	2467	=over 4
2098		2468
2099	=item $ob->inv_recursive	2469	=item $ob->inv_recursive
2100		2470
2101	Returns the inventory of the object _and_ their inventories, recursively.	2471	Returns the inventory of the object I<and> their inventories, recursively,
		2472	but I<not> the object itself.
2102		2473
2103	=cut	2474	=cut
2104		2475
2105	sub inv_recursive_;	2476	sub inv_recursive_;
2106	sub inv_recursive_ {	2477	sub inv_recursive_ {
…		…
2109		2480
2110	sub inv_recursive {	2481	sub inv_recursive {
2111	inv_recursive_ inv $_[0]	2482	inv_recursive_ inv $_[0]
2112	}	2483	}
2113		2484
		2485	=item $ref = $ob->ref
		2486
		2487	Creates and returns a persistent reference to an object that can be stored as a string.
		2488
		2489	=item $ob = cf::object::deref ($refstring)
		2490
		2491	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2492	even if the object actually exists. May block.
		2493
		2494	=cut
		2495
		2496	sub deref {
		2497	my ($ref) = @_;
		2498
		2499	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2500	my ($uuid, $name) = ($1, $2);
		2501	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2502	or return;
		2503	$pl->ob->uuid eq $uuid
		2504	or return;
		2505
		2506	$pl->ob
		2507	} else {
		2508	warn "$ref: cannot resolve object reference\n";
		2509	undef
		2510	}
		2511	}
		2512
2114	package cf;	2513	package cf;
2115		2514
2116	=back	2515	=back
2117		2516
2118	=head3 cf::object::player	2517	=head3 cf::object::player
…		…
2124	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2523	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2125	can be C<undef>. Does the right thing when the player is currently in a	2524	can be C<undef>. Does the right thing when the player is currently in a
2126	dialogue with the given NPC character.	2525	dialogue with the given NPC character.
2127		2526
2128	=cut	2527	=cut
		2528
		2529	our $SAY_CHANNEL = {
		2530	id => "say",
		2531	title => "Map",
		2532	reply => "say ",
		2533	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2534	};
		2535
		2536	our $CHAT_CHANNEL = {
		2537	id => "chat",
		2538	title => "Chat",
		2539	reply => "chat ",
		2540	tooltip => "Player chat and shouts, global to the server.",
		2541	};
2129		2542
2130	# rough implementation of a future "reply" method that works	2543	# rough implementation of a future "reply" method that works
2131	# with dialog boxes.	2544	# with dialog boxes.
2132	#TODO: the first argument must go, split into a $npc->reply_to ( method	2545	#TODO: the first argument must go, split into a $npc->reply_to ( method
2133	sub cf::object::player::reply($$$;$) {	2546	sub cf::object::player::reply($$$;$) {
…		…
2140		2553
2141	} else {	2554	} else {
2142	my $pl = $self->contr;	2555	my $pl = $self->contr;
2143		2556
2144	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2557	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2145	my $diag = $pl->{npc_dialog};	2558	my $dialog = $pl->{npc_dialog};
2146	$diag->{pl}->ext_reply (	2559	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2147	$diag->{id},
2148	msgtype => "reply",
2149	msg => $diag->{pl}->expand_cfpod ($msg),
2150	add_topics => []
2151	);
2152		2560
2153	} else {	2561	} else {
2154	$msg = $npc->name . " says: $msg" if $npc;	2562	$msg = $npc->name . " says: $msg" if $npc;
2155	$self->message ($msg, $flags);	2563	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2156	}	2564	}
2157	}	2565	}
		2566	}
		2567
		2568	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2569
		2570	=cut
		2571
		2572	sub cf::object::send_msg {
		2573	my $pl = shift->contr
		2574	or return;
		2575	$pl->send_msg (@_);
2158	}	2576	}
2159		2577
2160	=item $player_object->may ("access")	2578	=item $player_object->may ("access")
2161		2579
2162	Returns wether the given player is authorized to access resource "access"	2580	Returns wether the given player is authorized to access resource "access"
…		…
2175		2593
2176	=item $player_object->enter_link	2594	=item $player_object->enter_link
2177		2595
2178	Freezes the player and moves him/her to a special map (C<{link}>).	2596	Freezes the player and moves him/her to a special map (C<{link}>).
2179		2597
2180	The player should be reasonably safe there for short amounts of time. You	2598	The player should be reasonably safe there for short amounts of time (e.g.
2181	I<MUST> call C<leave_link> as soon as possible, though.	2599	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2600	though, as the player cannot control the character while it is on the link
		2601	map.
2182		2602
2183	Will never block.	2603	Will never block.
2184		2604
2185	=item $player_object->leave_link ($map, $x, $y)	2605	=item $player_object->leave_link ($map, $x, $y)
2186		2606
…		…
2206	sub cf::object::player::enter_link {	2626	sub cf::object::player::enter_link {
2207	my ($self) = @_;	2627	my ($self) = @_;
2208		2628
2209	$self->deactivate_recursive;	2629	$self->deactivate_recursive;
2210		2630
		2631	++$self->{_link_recursion};
		2632
2211	return if UNIVERSAL::isa $self->map, "ext::map_link";	2633	return if UNIVERSAL::isa $self->map, "ext::map_link";
2212		2634
2213	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2635	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2214	if $self->map && $self->map->{path} ne "{link}";	2636	if $self->map && $self->map->{path} ne "{link}";
2215		2637
2216	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2638	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2217	}	2639	}
2218		2640
2219	sub cf::object::player::leave_link {	2641	sub cf::object::player::leave_link {
2220	my ($self, $map, $x, $y) = @_;	2642	my ($self, $map, $x, $y) = @_;
2221		2643
…		…
2238	($x, $y) = (-1, -1)	2660	($x, $y) = (-1, -1)
2239	unless (defined $x) && (defined $y);	2661	unless (defined $x) && (defined $y);
2240		2662
2241	# use -1 or undef as default coordinates, not 0, 0	2663	# use -1 or undef as default coordinates, not 0, 0
2242	($x, $y) = ($map->enter_x, $map->enter_y)	2664	($x, $y) = ($map->enter_x, $map->enter_y)
2243	if $x <=0 && $y <= 0;	2665	if $x <= 0 && $y <= 0;
2244		2666
2245	$map->load;	2667	$map->load;
2246	$map->load_diag;	2668	$map->load_neighbours;
2247		2669
2248	return unless $self->contr->active;	2670	return unless $self->contr->active;
2249	$self->activate_recursive;
2250		2671
2251	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2672	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2252	$self->enter_map ($map, $x, $y);	2673	if ($self->enter_map ($map, $x, $y)) {
2253	}	2674	# entering was successful
		2675	delete $self->{_link_recursion};
		2676	# only activate afterwards, to support waiting in hooks
		2677	$self->activate_recursive;
		2678	}
2254		2679
		2680	}
		2681
2255	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2682	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2256		2683
2257	Moves the player to the given map-path and coordinates by first freezing	2684	Moves the player to the given map-path and coordinates by first freezing
2258	her, loading and preparing them map, calling the provided $check callback	2685	her, loading and preparing them map, calling the provided $check callback
2259	that has to return the map if sucecssful, and then unfreezes the player on	2686	that has to return the map if sucecssful, and then unfreezes the player on
2260	the new (success) or old (failed) map position.	2687	the new (success) or old (failed) map position. In either case, $done will
		2688	be called at the end of this process.
		2689
		2690	Note that $check will be called with a potentially non-loaded map, so if
		2691	it needs a loaded map it has to call C<< ->load >>.
2261		2692
2262	=cut	2693	=cut
2263		2694
2264	our $GOTOGEN;	2695	our $GOTOGEN;
2265		2696
2266	sub cf::object::player::goto {	2697	sub cf::object::player::goto {
2267	my ($self, $path, $x, $y, $check) = @_;	2698	my ($self, $path, $x, $y, $check, $done) = @_;
		2699
		2700	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2701	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2702	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2703	($path, $x, $y) = @$EMERGENCY_POSITION;
		2704	}
2268		2705
2269	# do generation counting so two concurrent goto's will be executed in-order	2706	# do generation counting so two concurrent goto's will be executed in-order
2270	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2707	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2271		2708
2272	$self->enter_link;	2709	$self->enter_link;
2273		2710
2274	(async {	2711	(async {
		2712	$Coro::current->{desc} = "player::goto $path $x $y";
		2713
		2714	# *tag paths override both path and x|y
		2715	if ($path =~ /^\*(.*)$/) {
		2716	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2717	my $ob = $obs[rand @obs];
		2718
		2719	# see if we actually can go there
		2720	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2721	$ob = $obs[rand @obs];
		2722	} else {
		2723	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2724	}
		2725	# else put us there anyways for now #d#
		2726
		2727	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2728	} else {
		2729	($path, $x, $y) = (undef, undef, undef);
		2730	}
		2731	}
		2732
2275	my $map = eval {	2733	my $map = eval {
2276	my $map = cf::map::find $path;	2734	my $map = defined $path ? cf::map::find $path : undef;
2277		2735
2278	if ($map) {	2736	if ($map) {
2279	$map = $map->customise_for ($self);	2737	$map = $map->customise_for ($self);
2280	$map = $check->($map) if $check && $map;	2738	$map = $check->($map, $x, $y, $self) if $check && $map;
2281	} else {	2739	} else {
2282	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2740	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2283	}	2741	}
2284		2742
2285	$map	2743	$map
2286	};	2744	};
2287		2745
…		…
2292		2750
2293	if ($gen == $self->{_goto_generation}) {	2751	if ($gen == $self->{_goto_generation}) {
2294	delete $self->{_goto_generation};	2752	delete $self->{_goto_generation};
2295	$self->leave_link ($map, $x, $y);	2753	$self->leave_link ($map, $x, $y);
2296	}	2754	}
		2755
		2756	$done->($self) if $done;
2297	})->prio (1);	2757	})->prio (1);
2298	}	2758	}
2299		2759
2300	=item $player_object->enter_exit ($exit_object)	2760	=item $player_object->enter_exit ($exit_object)
2301		2761
…		…
2321	}	2781	}
2322		2782
2323	sub prepare_random_map {	2783	sub prepare_random_map {
2324	my ($exit) = @_;	2784	my ($exit) = @_;
2325		2785
2326	my $guard = cf::lock_acquire "exit_prepare:$exit";
2327
2328	# all this does is basically replace the /! path by	2786	# all this does is basically replace the /! path by
2329	# a new random map path (?random/...) with a seed	2787	# a new random map path (?random/...) with a seed
2330	# that depends on the exit object	2788	# that depends on the exit object
2331		2789
2332	my $rmp = parse_random_map_params $exit->msg;	2790	my $rmp = parse_random_map_params $exit->msg;
…		…
2334	if ($exit->map) {	2792	if ($exit->map) {
2335	$rmp->{region} = $exit->region->name;	2793	$rmp->{region} = $exit->region->name;
2336	$rmp->{origin_map} = $exit->map->path;	2794	$rmp->{origin_map} = $exit->map->path;
2337	$rmp->{origin_x} = $exit->x;	2795	$rmp->{origin_x} = $exit->x;
2338	$rmp->{origin_y} = $exit->y;	2796	$rmp->{origin_y} = $exit->y;
		2797
		2798	$exit->map->touch;
2339	}	2799	}
2340		2800
2341	$rmp->{random_seed} ||= $exit->random_seed;	2801	$rmp->{random_seed} ||= $exit->random_seed;
2342		2802
2343	my $data = cf::to_json $rmp;	2803	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2344	my $md5 = Digest::MD5::md5_hex $data;	2804	my $md5 = Digest::MD5::md5_hex $data;
2345	my $meta = "$RANDOMDIR/$md5.meta";	2805	my $meta = "$RANDOMDIR/$md5.meta";
2346		2806
2347	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2807	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2348	aio_write $fh, 0, (length $data), $data, 0;	2808	aio_write $fh, 0, (length $data), $data, 0;
2349	undef $fh;	2809	undef $fh;
2350	aio_rename "$meta~", $meta;	2810	aio_rename "$meta~", $meta;
2351		2811
		2812	my $slaying = "?random/$md5";
		2813
		2814	if ($exit->valid) {
2352	$exit->slaying ("?random/$md5");	2815	$exit->slaying ("?random/$md5");
2353	$exit->msg (undef);	2816	$exit->msg (undef);
		2817	}
2354	}	2818	}
2355	}	2819	}
2356		2820
2357	sub cf::object::player::enter_exit {	2821	sub cf::object::player::enter_exit {
2358	my ($self, $exit) = @_;	2822	my ($self, $exit) = @_;
2359		2823
2360	return unless $self->type == cf::PLAYER;	2824	return unless $self->type == cf::PLAYER;
2361		2825
2362	if ($exit->slaying eq "/!") {
2363	#TODO: this should de-fi-ni-te-ly not be a sync-job
2364	# the problem is that $exit might not survive long enough
2365	# so it needs to be done right now, right here
2366	cf::sync_job { prepare_random_map $exit };
2367	}
2368
2369	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2370	my $hp = $exit->stats->hp;
2371	my $sp = $exit->stats->sp;
2372
2373	$self->enter_link;	2826	$self->enter_link;
2374		2827
2375	# if exit is damned, update players death & WoR home-position
2376	$self->contr->savebed ($slaying, $hp, $sp)
2377	if $exit->flag (FLAG_DAMNED);
2378
2379	(async {	2828	(async {
2380	$self->deactivate_recursive; # just to be sure	2829	$Coro::current->{desc} = "enter_exit";
		2830
2381	unless (eval {	2831	unless (eval {
		2832	$self->deactivate_recursive; # just to be sure
		2833
		2834	# random map handling
		2835	{
		2836	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2837
		2838	prepare_random_map $exit
		2839	if $exit->slaying eq "/!";
		2840	}
		2841
		2842	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2843	my $x = $exit->stats->hp;
		2844	my $y = $exit->stats->sp;
		2845
2382	$self->goto ($slaying, $hp, $sp);	2846	$self->goto ($map, $x, $y);
2383		2847
		2848	# if exit is damned, update players death & WoR home-position
		2849	$self->contr->savebed ($map, $x, $y)
		2850	if $exit->flag (cf::FLAG_DAMNED);
		2851
2384	1;	2852	1
2385	}) {	2853	}) {
2386	$self->message ("Something went wrong deep within the crossfire server. "	2854	$self->message ("Something went wrong deep within the deliantra server. "
2387	. "I'll try to bring you back to the map you were before. "	2855	. "I'll try to bring you back to the map you were before. "
2388	. "Please report this to the dungeon master!",	2856	. "Please report this to the dungeon master!",
2389	cf::NDI_UNIQUE | cf::NDI_RED);	2857	cf::NDI_UNIQUE | cf::NDI_RED);
2390		2858
2391	warn "ERROR in enter_exit: $@";	2859	error "ERROR in enter_exit: $@";
2392	$self->leave_link;	2860	$self->leave_link;
2393	}	2861	}
2394	})->prio (1);	2862	})->prio (1);
2395	}	2863	}
2396		2864
…		…
2410		2878
2411	utf8::encode $text;	2879	utf8::encode $text;
2412	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2880	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2413	}	2881	}
2414		2882
		2883	=item $client->send_big_packet ($pkt)
		2884
		2885	Like C<send_packet>, but tries to compress large packets, and fragments
		2886	them as required.
		2887
		2888	=cut
		2889
		2890	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2891
		2892	sub cf::client::send_big_packet {
		2893	my ($self, $pkt) = @_;
		2894
		2895	# try lzf for large packets
		2896	$pkt = "lzf " . Compress::LZF::compress $pkt
		2897	if 1024 <= length $pkt and $self->{can_lzf};
		2898
		2899	# split very large packets
		2900	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2901	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2902	$pkt = "frag";
		2903	}
		2904
		2905	$self->send_packet ($pkt);
		2906	}
		2907
2415	=item $client->send_msg ($color, $type, $msg, [extra...])	2908	=item $client->send_msg ($channel, $msg, $color, [extra...])
2416		2909
2417	Send a drawinfo or msg packet to the client, formatting the msg for the	2910	Send a drawinfo or msg packet to the client, formatting the msg for the
2418	client if neccessary. C<$type> should be a string identifying the type of	2911	client if neccessary. C<$type> should be a string identifying the type of
2419	the message, with C<log> being the default. If C<$color> is negative, suppress	2912	the message, with C<log> being the default. If C<$color> is negative, suppress
2420	the message unless the client supports the msg packet.	2913	the message unless the client supports the msg packet.
2421		2914
2422	=cut	2915	=cut
2423		2916
		2917	# non-persistent channels (usually the info channel)
		2918	our %CHANNEL = (
		2919	"c/motd" => {
		2920	id => "infobox",
		2921	title => "MOTD",
		2922	reply => undef,
		2923	tooltip => "The message of the day",
		2924	},
		2925	"c/identify" => {
		2926	id => "infobox",
		2927	title => "Identify",
		2928	reply => undef,
		2929	tooltip => "Items recently identified",
		2930	},
		2931	"c/examine" => {
		2932	id => "infobox",
		2933	title => "Examine",
		2934	reply => undef,
		2935	tooltip => "Signs and other items you examined",
		2936	},
		2937	"c/shopinfo" => {
		2938	id => "infobox",
		2939	title => "Shop Info",
		2940	reply => undef,
		2941	tooltip => "What your bargaining skill tells you about the shop",
		2942	},
		2943	"c/book" => {
		2944	id => "infobox",
		2945	title => "Book",
		2946	reply => undef,
		2947	tooltip => "The contents of a note or book",
		2948	},
		2949	"c/lookat" => {
		2950	id => "infobox",
		2951	title => "Look",
		2952	reply => undef,
		2953	tooltip => "What you saw there",
		2954	},
		2955	"c/who" => {
		2956	id => "infobox",
		2957	title => "Players",
		2958	reply => undef,
		2959	tooltip => "Shows players who are currently online",
		2960	},
		2961	"c/body" => {
		2962	id => "infobox",
		2963	title => "Body Parts",
		2964	reply => undef,
		2965	tooltip => "Shows which body parts you posess and are available",
		2966	},
		2967	"c/statistics" => {
		2968	id => "infobox",
		2969	title => "Statistics",
		2970	reply => undef,
		2971	tooltip => "Shows your primary statistics",
		2972	},
		2973	"c/skills" => {
		2974	id => "infobox",
		2975	title => "Skills",
		2976	reply => undef,
		2977	tooltip => "Shows your experience per skill and item power",
		2978	},
		2979	"c/shopitems" => {
		2980	id => "infobox",
		2981	title => "Shop Items",
		2982	reply => undef,
		2983	tooltip => "Shows the items currently for sale in this shop",
		2984	},
		2985	"c/resistances" => {
		2986	id => "infobox",
		2987	title => "Resistances",
		2988	reply => undef,
		2989	tooltip => "Shows your resistances",
		2990	},
		2991	"c/pets" => {
		2992	id => "infobox",
		2993	title => "Pets",
		2994	reply => undef,
		2995	tooltip => "Shows information abotu your pets/a specific pet",
		2996	},
		2997	"c/perceiveself" => {
		2998	id => "infobox",
		2999	title => "Perceive Self",
		3000	reply => undef,
		3001	tooltip => "You gained detailed knowledge about yourself",
		3002	},
		3003	"c/uptime" => {
		3004	id => "infobox",
		3005	title => "Uptime",
		3006	reply => undef,
		3007	tooltip => "How long the server has been running since last restart",
		3008	},
		3009	"c/mapinfo" => {
		3010	id => "infobox",
		3011	title => "Map Info",
		3012	reply => undef,
		3013	tooltip => "Information related to the maps",
		3014	},
		3015	"c/party" => {
		3016	id => "party",
		3017	title => "Party",
		3018	reply => "gsay ",
		3019	tooltip => "Messages and chat related to your party",
		3020	},
		3021	"c/death" => {
		3022	id => "death",
		3023	title => "Death",
		3024	reply => undef,
		3025	tooltip => "Reason for and more info about your most recent death",
		3026	},
		3027	"c/say" => $SAY_CHANNEL,
		3028	"c/chat" => $CHAT_CHANNEL,
		3029	);
		3030
2424	sub cf::client::send_msg {	3031	sub cf::client::send_msg {
2425	my ($self, $color, $type, $msg, @extra) = @_;	3032	my ($self, $channel, $msg, $color, @extra) = @_;
2426		3033
2427	$msg = $self->pl->expand_cfpod ($msg);	3034	$msg = $self->pl->expand_cfpod ($msg)
		3035	unless $color & cf::NDI_VERBATIM;
		3036
		3037	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3038
		3039	# check predefined channels, for the benefit of C
		3040	if ($CHANNEL{$channel}) {
		3041	$channel = $CHANNEL{$channel};
		3042
		3043	$self->ext_msg (channel_info => $channel);
		3044	$channel = $channel->{id};
		3045
		3046	} elsif (ref $channel) {
		3047	# send meta info to client, if not yet sent
		3048	unless (exists $self->{channel}{$channel->{id}}) {
		3049	$self->{channel}{$channel->{id}} = $channel;
		3050	$self->ext_msg (channel_info => $channel);
		3051	}
		3052
		3053	$channel = $channel->{id};
		3054	}
2428		3055
2429	return unless @extra || length $msg;	3056	return unless @extra || length $msg;
2430		3057
2431	if ($self->can_msg) {	3058	# default colour, mask it out
2432	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	3059	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2433	} else {	3060	if $color & cf::NDI_DEF;
2434	# replace some tags by gcfclient-compatible ones
2435	for ($msg) {
2436	1 while
2437	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2438	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2439	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2440	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2441	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2442	}
2443		3061
2444	if ($color >= 0) {	3062	my $pkt = "msg "
2445	if (0 && $msg =~ /\[/) {	3063	. $self->{json_coder}->encode (
2446	$self->send_packet ("drawextinfo $color 4 0 $msg")	3064	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2447	} else {	3065	);
2448	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2449	$self->send_packet ("drawinfo $color $msg")
2450	}
2451	}
2452	}
2453	}
2454		3066
		3067	$self->send_big_packet ($pkt);
		3068	}
		3069
2455	=item $client->ext_event ($type, %msg)	3070	=item $client->ext_msg ($type, @msg)
2456		3071
2457	Sends an ext event to the client.	3072	Sends an ext event to the client.
2458		3073
2459	=cut	3074	=cut
2460		3075
2461	sub cf::client::ext_event($$%) {	3076	sub cf::client::ext_msg($$@) {
2462	my ($self, $type, %msg) = @_;	3077	my ($self, $type, @msg) = @_;
2463		3078
		3079	if ($self->extcmd == 2) {
		3080	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3081	} elsif ($self->extcmd == 1) { # TODO: remove
2464	$msg{msgtype} = "event_$type";	3082	push @msg, msgtype => "event_$type";
2465	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3083	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3084	}
		3085	}
		3086
		3087	=item $client->ext_reply ($msgid, @msg)
		3088
		3089	Sends an ext reply to the client.
		3090
		3091	=cut
		3092
		3093	sub cf::client::ext_reply($$@) {
		3094	my ($self, $id, @msg) = @_;
		3095
		3096	if ($self->extcmd == 2) {
		3097	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3098	} elsif ($self->extcmd == 1) {
		3099	#TODO: version 1, remove
		3100	unshift @msg, msgtype => "reply", msgid => $id;
		3101	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3102	}
2466	}	3103	}
2467		3104
2468	=item $success = $client->query ($flags, "text", \&cb)	3105	=item $success = $client->query ($flags, "text", \&cb)
2469		3106
2470	Queues a query to the client, calling the given callback with	3107	Queues a query to the client, calling the given callback with
…		…
2525	my ($ns, $buf) = @_;	3162	my ($ns, $buf) = @_;
2526		3163
2527	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3164	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2528		3165
2529	if (ref $msg) {	3166	if (ref $msg) {
		3167	my ($type, $reply, @payload) =
		3168	"ARRAY" eq ref $msg
		3169	? @$msg
		3170	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3171
		3172	my @reply;
		3173
2530	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3174	if (my $cb = $EXTICMD{$type}) {
2531	if (my %reply = $cb->($ns, $msg)) {	3175	@reply = $cb->($ns, @payload);
2532	$reply{msgid} = $msg->{msgid};
2533	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2534	}
2535	}	3176	}
		3177
		3178	$ns->ext_reply ($reply, @reply)
		3179	if $reply;
		3180
2536	} else {	3181	} else {
2537	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3182	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2538	}	3183	}
2539		3184
2540	cf::override;	3185	cf::override;
2541	},	3186	},
2542	);	3187	);
…		…
2562		3207
2563	$coro	3208	$coro
2564	}	3209	}
2565		3210
2566	cf::client->attach (	3211	cf::client->attach (
2567	on_destroy => sub {	3212	on_client_destroy => sub {
2568	my ($ns) = @_;	3213	my ($ns) = @_;
2569		3214
2570	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3215	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2571	},	3216	},
2572	);	3217	);
…		…
2587	our $safe = new Safe "safe";	3232	our $safe = new Safe "safe";
2588	our $safe_hole = new Safe::Hole;	3233	our $safe_hole = new Safe::Hole;
2589		3234
2590	$SIG{FPE} = 'IGNORE';	3235	$SIG{FPE} = 'IGNORE';
2591		3236
2592	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3237	$safe->permit_only (Opcode::opset qw(
		3238	:base_core :base_mem :base_orig :base_math :base_loop
		3239	grepstart grepwhile mapstart mapwhile
		3240	sort time
		3241	));
2593		3242
2594	# here we export the classes and methods available to script code	3243	# here we export the classes and methods available to script code
2595		3244
2596	=pod	3245	=pod
2597		3246
2598	The following functions and methods are available within a safe environment:	3247	The following functions and methods are available within a safe environment:
2599		3248
2600	cf::object	3249	cf::object
2601	contr pay_amount pay_player map x y force_find force_add	3250	contr pay_amount pay_player map x y force_find force_add destroy
2602	insert remove	3251	insert remove name archname title slaying race decrease split
		3252	value
2603		3253
2604	cf::object::player	3254	cf::object::player
2605	player	3255	player
2606		3256
2607	cf::player	3257	cf::player
…		…
2612		3262
2613	=cut	3263	=cut
2614		3264
2615	for (	3265	for (
2616	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3266	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2617	insert remove)],	3267	insert remove inv nrof name archname title slaying race
		3268	decrease split destroy change_exp value msg lore send_msg)],
2618	["cf::object::player" => qw(player)],	3269	["cf::object::player" => qw(player)],
2619	["cf::player" => qw(peaceful)],	3270	["cf::player" => qw(peaceful send_msg)],
2620	["cf::map" => qw(trigger)],	3271	["cf::map" => qw(trigger)],
2621	) {	3272	) {
2622	no strict 'refs';	3273	no strict 'refs';
2623	my ($pkg, @funs) = @$_;	3274	my ($pkg, @funs) = @$_;
2624	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3275	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2642		3293
2643	my $qcode = $code;	3294	my $qcode = $code;
2644	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3295	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2645	$qcode =~ s/\n/\\n/g;	3296	$qcode =~ s/\n/\\n/g;
2646		3297
		3298	%vars = (_dummy => 0) unless %vars;
		3299
		3300	my @res;
2647	local $_;	3301	local $_;
2648	local @safe::cf::_safe_eval_args = values %vars;
2649		3302
2650	my $eval =	3303	my $eval =
2651	"do {\n"	3304	"do {\n"
2652	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3305	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2653	. "#line 0 \"{$qcode}\"\n"	3306	. "#line 0 \"{$qcode}\"\n"
2654	. $code	3307	. $code
2655	. "\n}"	3308	. "\n}"
2656	;	3309	;
2657		3310
		3311	if ($CFG{safe_eval}) {
2658	sub_generation_inc;	3312	sub_generation_inc;
		3313	local @safe::cf::_safe_eval_args = values %vars;
2659	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3314	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2660	sub_generation_inc;	3315	sub_generation_inc;
		3316	} else {
		3317	local @cf::_safe_eval_args = values %vars;
		3318	@res = wantarray ? eval eval : scalar eval $eval;
		3319	}
2661		3320
2662	if ($@) {	3321	if ($@) {
2663	warn "$@";	3322	warn "$@",
2664	warn "while executing safe code '$code'\n";	3323	"while executing safe code '$code'\n",
2665	warn "with arguments " . (join " ", %vars) . "\n";	3324	"with arguments " . (join " ", %vars) . "\n";
2666	}	3325	}
2667		3326
2668	wantarray ? @res : $res[0]	3327	wantarray ? @res : $res[0]
2669	}	3328	}
2670		3329
…		…
2684	=cut	3343	=cut
2685		3344
2686	sub register_script_function {	3345	sub register_script_function {
2687	my ($fun, $cb) = @_;	3346	my ($fun, $cb) = @_;
2688		3347
2689	no strict 'refs';	3348	$fun = "safe::$fun" if $CFG{safe_eval};
2690	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3349	*$fun = $safe_hole->wrap ($cb);
2691	}	3350	}
2692		3351
2693	=back	3352	=back
2694		3353
2695	=cut	3354	=cut
…		…
2698	# the server's init and main functions	3357	# the server's init and main functions
2699		3358
2700	sub load_facedata($) {	3359	sub load_facedata($) {
2701	my ($path) = @_;	3360	my ($path) = @_;
2702		3361
		3362	# HACK to clear player env face cache, we need some signal framework
		3363	# for this (global event?)
		3364	%ext::player_env::MUSIC_FACE_CACHE = ();
		3365
		3366	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3367
2703	warn "loading facedata from $path\n";	3368	trace "loading facedata from $path\n";
2704		3369
2705	my $facedata;	3370	my $facedata;
2706	0 < aio_load $path, $facedata	3371	0 < aio_load $path, $facedata
2707	or die "$path: $!";	3372	or die "$path: $!";
2708		3373
2709	$facedata = Coro::Storable::thaw $facedata;	3374	$facedata = Coro::Storable::thaw $facedata;
2710		3375
2711	$facedata->{version} == 2	3376	$facedata->{version} == 2
2712	or cf::cleanup "$path: version mismatch, cannot proceed.";	3377	or cf::cleanup "$path: version mismatch, cannot proceed.";
2713		3378
		3379	# patch in the exptable
		3380	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3381	$facedata->{resource}{"res/exp_table"} = {
		3382	type => FT_RSRC,
		3383	data => $exp_table,
		3384	hash => (Digest::MD5::md5 $exp_table),
		3385	};
		3386	cf::cede_to_tick;
		3387
2714	{	3388	{
2715	my $faces = $facedata->{faceinfo};	3389	my $faces = $facedata->{faceinfo};
2716		3390
2717	while (my ($face, $info) = each %$faces) {	3391	while (my ($face, $info) = each %$faces) {
2718	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3392	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3393
2719	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3394	cf::face::set_visibility $idx, $info->{visibility};
		3395	cf::face::set_magicmap $idx, $info->{magicmap};
2720	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3396	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2721	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3397	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2722	Coro::cede;	3398
		3399	cf::cede_to_tick;
2723	}	3400	}
2724		3401
2725	while (my ($face, $info) = each %$faces) {	3402	while (my ($face, $info) = each %$faces) {
2726	next unless $info->{smooth};	3403	next unless $info->{smooth};
		3404
2727	my $idx = cf::face::find $face	3405	my $idx = cf::face::find $face
2728	or next;	3406	or next;
		3407
2729	if (my $smooth = cf::face::find $info->{smooth}) {	3408	if (my $smooth = cf::face::find $info->{smooth}) {
		3409	cf::face::set_smooth $idx, $smooth;
2730	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3410	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2731	} else {	3411	} else {
2732	warn "smooth face '$info->{smooth}' not found for face '$face'";	3412	error "smooth face '$info->{smooth}' not found for face '$face'";
2733	}	3413	}
2734	Coro::cede;	3414
		3415	cf::cede_to_tick;
2735	}	3416	}
2736	}	3417	}
2737		3418
2738	{	3419	{
2739	my $anims = $facedata->{animinfo};	3420	my $anims = $facedata->{animinfo};
2740		3421
2741	while (my ($anim, $info) = each %$anims) {	3422	while (my ($anim, $info) = each %$anims) {
2742	cf::anim::set $anim, $info->{frames}, $info->{facings};	3423	cf::anim::set $anim, $info->{frames}, $info->{facings};
2743	Coro::cede;	3424	cf::cede_to_tick;
2744	}	3425	}
2745		3426
2746	cf::anim::invalidate_all; # d'oh	3427	cf::anim::invalidate_all; # d'oh
2747	}	3428	}
2748		3429
		3430	{
		3431	my $res = $facedata->{resource};
		3432
		3433	while (my ($name, $info) = each %$res) {
		3434	if (defined $info->{type}) {
		3435	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3436
		3437	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3438	cf::face::set_type $idx, $info->{type};
		3439	} else {
		3440	$RESOURCE{$name} = $info; # unused
		3441	}
		3442
		3443	cf::cede_to_tick;
		3444	}
		3445	}
		3446
		3447	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3448
2749	1	3449	1
2750	}	3450	}
2751		3451
		3452	register_exticmd fx_want => sub {
		3453	my ($ns, $want) = @_;
		3454
		3455	while (my ($k, $v) = each %$want) {
		3456	$ns->fx_want ($k, $v);
		3457	}
		3458	};
		3459
		3460	sub load_resource_file($) {
		3461	my $guard = lock_acquire "load_resource_file";
		3462
		3463	my $status = load_resource_file_ $_[0];
		3464	get_slot 0.1, 100;
		3465	cf::arch::commit_load;
		3466
		3467	$status
		3468	}
		3469
2752	sub reload_regions {	3470	sub reload_regions {
		3471	# HACK to clear player env face cache, we need some signal framework
		3472	# for this (global event?)
		3473	%ext::player_env::MUSIC_FACE_CACHE = ();
		3474
2753	load_resource_file "$MAPDIR/regions"	3475	load_resource_file "$MAPDIR/regions"
2754	or die "unable to load regions file\n";	3476	or die "unable to load regions file\n";
		3477
		3478	for (cf::region::list) {
		3479	$_->{match} = qr/$_->{match}/
		3480	if exists $_->{match};
		3481	}
2755	}	3482	}
2756		3483
2757	sub reload_facedata {	3484	sub reload_facedata {
2758	load_facedata "$DATADIR/facedata"	3485	load_facedata "$DATADIR/facedata"
2759	or die "unable to load facedata\n";	3486	or die "unable to load facedata\n";
2760	}	3487	}
2761		3488
2762	sub reload_archetypes {	3489	sub reload_archetypes {
2763	load_resource_file "$DATADIR/archetypes"	3490	load_resource_file "$DATADIR/archetypes"
2764	or die "unable to load archetypes\n";	3491	or die "unable to load archetypes\n";
2765	#d# NEED to laod twice to resolve forward references
2766	# this really needs to be done in an extra post-pass
2767	# (which needs to be synchronous, so solve it differently)
2768	load_resource_file "$DATADIR/archetypes"
2769	or die "unable to load archetypes\n";
2770	}	3492	}
2771		3493
2772	sub reload_treasures {	3494	sub reload_treasures {
2773	load_resource_file "$DATADIR/treasures"	3495	load_resource_file "$DATADIR/treasures"
2774	or die "unable to load treasurelists\n";	3496	or die "unable to load treasurelists\n";
2775	}	3497	}
2776		3498
		3499	sub reload_sound {
		3500	trace "loading sound config from $DATADIR/sound\n";
		3501
		3502	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3503	or die "$DATADIR/sound $!";
		3504
		3505	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3506
		3507	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3508	my $sound = $soundconf->{compat}[$_]
		3509	or next;
		3510
		3511	my $face = cf::face::find "sound/$sound->[1]";
		3512	cf::sound::set $sound->[0] => $face;
		3513	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3514	}
		3515
		3516	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3517	my $face = cf::face::find "sound/$v";
		3518	cf::sound::set $k => $face;
		3519	}
		3520	}
		3521
2777	sub reload_resources {	3522	sub reload_resources {
2778	warn "reloading resource files...\n";	3523	trace "reloading resource files...\n";
2779		3524
		3525	reload_facedata;
		3526	reload_sound;
		3527	reload_archetypes;
2780	reload_regions;	3528	reload_regions;
2781	reload_facedata;
2782	#reload_archetypes;#d#
2783	reload_archetypes;
2784	reload_treasures;	3529	reload_treasures;
2785		3530
2786	warn "finished reloading resource files\n";	3531	trace "finished reloading resource files\n";
2787	}	3532	}
2788		3533
2789	sub init {	3534	sub reload_config {
2790	reload_resources;	3535	trace "reloading config file...\n";
2791	}
2792		3536
2793	sub cfg_load {
2794	open my $fh, "<:utf8", "$CONFDIR/config"	3537	open my $fh, "<:utf8", "$CONFDIR/config"
2795	or return;	3538	or return;
2796		3539
2797	local $/;	3540	local $/;
2798	*CFG = YAML::Syck::Load <$fh>;	3541	*CFG = YAML::XS::Load scalar <$fh>;
2799		3542
2800	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3543	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2801		3544
2802	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3545	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2803	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3546	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2804		3547
2805	if (exists $CFG{mlockall}) {	3548	if (exists $CFG{mlockall}) {
…		…
2807	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3550	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2808	and die "WARNING: m(un)lockall failed: $!\n";	3551	and die "WARNING: m(un)lockall failed: $!\n";
2809	};	3552	};
2810	warn $@ if $@;	3553	warn $@ if $@;
2811	}	3554	}
		3555
		3556	trace "finished reloading resource files\n";
		3557	}
		3558
		3559	sub pidfile() {
		3560	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3561	or die "$PIDFILE: $!";
		3562	flock $fh, &Fcntl::LOCK_EX
		3563	or die "$PIDFILE: flock: $!";
		3564	$fh
		3565	}
		3566
		3567	# make sure only one server instance is running at any one time
		3568	sub atomic {
		3569	my $fh = pidfile;
		3570
		3571	my $pid = <$fh>;
		3572	kill 9, $pid if $pid > 0;
		3573
		3574	seek $fh, 0, 0;
		3575	print $fh $$;
		3576	}
		3577
		3578	sub main_loop {
		3579	trace "EV::loop starting\n";
		3580	if (1) {
		3581	EV::loop;
		3582	}
		3583	trace "EV::loop returned\n";
		3584	goto &main_loop unless $REALLY_UNLOOP;
2812	}	3585	}
2813		3586
2814	sub main {	3587	sub main {
		3588	cf::init_globals; # initialise logging
		3589
		3590	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3591	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3592	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3593	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3594
		3595	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3596
2815	# we must not ever block the main coroutine	3597	# we must not ever block the main coroutine
2816	local $Coro::idle = sub {	3598	local $Coro::idle = sub {
2817	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3599	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2818	(async {	3600	(async {
2819	Event::one_event;	3601	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3602	EV::loop EV::LOOP_ONESHOT;
2820	})->prio (Coro::PRIO_MAX);	3603	})->prio (Coro::PRIO_MAX);
2821	};	3604	};
2822		3605
2823	cfg_load;	3606	evthread_start IO::AIO::poll_fileno;
		3607
		3608	cf::sync_job {
		3609	cf::init_experience;
		3610	cf::init_anim;
		3611	cf::init_attackmess;
		3612	cf::init_dynamic;
		3613
		3614	cf::load_settings;
		3615	cf::load_materials;
		3616
		3617	reload_resources;
		3618	reload_config;
2824	db_init;	3619	db_init;
		3620
		3621	cf::init_uuid;
		3622	cf::init_signals;
		3623	cf::init_skills;
		3624
		3625	cf::init_beforeplay;
		3626
		3627	atomic;
		3628
2825	load_extensions;	3629	load_extensions;
2826		3630
2827	$TICK_WATCHER->start;	3631	utime time, time, $RUNTIMEFILE;
2828	Event::loop;	3632
		3633	# no (long-running) fork's whatsoever before this point(!)
		3634	use POSIX ();
		3635	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3636
		3637	(pop @POST_INIT)->(0) while @POST_INIT;
		3638	};
		3639
		3640	cf::object::thawer::errors_are_fatal 0;
		3641	info "parse errors in files are no longer fatal from this point on.\n";
		3642
		3643	main_loop;
2829	}	3644	}
2830		3645
2831	#############################################################################	3646	#############################################################################
2832	# initialisation and cleanup	3647	# initialisation and cleanup
2833		3648
2834	# install some emergency cleanup handlers	3649	# install some emergency cleanup handlers
2835	BEGIN {	3650	BEGIN {
		3651	our %SIGWATCHER = ();
2836	for my $signal (qw(INT HUP TERM)) {	3652	for my $signal (qw(INT HUP TERM)) {
2837	Event->signal (	3653	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2838	reentrant => 0,
2839	data => WF_AUTOCANCEL,
2840	signal => $signal,
2841	prio => 0,
2842	cb => sub {
2843	cf::cleanup "SIG$signal";	3654	cf::cleanup "SIG$signal";
2844	},
2845	);	3655	};
2846	}	3656	}
2847	}	3657	}
2848		3658
2849	sub write_runtime {	3659	sub write_runtime_sync {
2850	my $runtime = "$LOCALDIR/runtime";	3660	my $t0 = AE::time;
2851		3661
2852	# first touch the runtime file to show we are still running:	3662	# first touch the runtime file to show we are still running:
2853	# the fsync below can take a very very long time.	3663	# the fsync below can take a very very long time.
2854		3664
2855	IO::AIO::aio_utime $runtime, undef, undef;	3665	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2856		3666
2857	my $guard = cf::lock_acquire "write_runtime";	3667	my $guard = cf::lock_acquire "write_runtime";
2858		3668
2859	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3669	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2860	or return;	3670	or return;
2861		3671
2862	my $value = $cf::RUNTIME + 90 + 10;	3672	my $value = $cf::RUNTIME + 90 + 10;
2863	# 10 is the runtime save interval, for a monotonic clock	3673	# 10 is the runtime save interval, for a monotonic clock
2864	# 60 allows for the watchdog to kill the server.	3674	# 60 allows for the watchdog to kill the server.
…		…
2874	aio_utime $fh, undef, undef;	3684	aio_utime $fh, undef, undef;
2875		3685
2876	close $fh	3686	close $fh
2877	or return;	3687	or return;
2878		3688
2879	aio_rename "$runtime~", $runtime	3689	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2880	and return;	3690	and return;
2881		3691
2882	warn "runtime file written.\n";	3692	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2883		3693
2884	1	3694	1
		3695	}
		3696
		3697	our $uuid_lock;
		3698	our $uuid_skip;
		3699
		3700	sub write_uuid_sync($) {
		3701	$uuid_skip ||= $_[0];
		3702
		3703	return if $uuid_lock;
		3704	local $uuid_lock = 1;
		3705
		3706	my $uuid = "$LOCALDIR/uuid";
		3707
		3708	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3709	or return;
		3710
		3711	my $value = uuid_seq uuid_cur;
		3712
		3713	unless ($value) {
		3714	info "cowardly refusing to write zero uuid value!\n";
		3715	return;
		3716	}
		3717
		3718	my $value = uuid_str $value + $uuid_skip;
		3719	$uuid_skip = 0;
		3720
		3721	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3722	and return;
		3723
		3724	# always fsync - this file is important
		3725	aio_fsync $fh
		3726	and return;
		3727
		3728	close $fh
		3729	or return;
		3730
		3731	aio_rename "$uuid~", $uuid
		3732	and return;
		3733
		3734	trace "uuid file written ($value).\n";
		3735
		3736	1
		3737
		3738	}
		3739
		3740	sub write_uuid($$) {
		3741	my ($skip, $sync) = @_;
		3742
		3743	$sync ? write_uuid_sync $skip
		3744	: async { write_uuid_sync $skip };
2885	}	3745	}
2886		3746
2887	sub emergency_save() {	3747	sub emergency_save() {
2888	my $freeze_guard = cf::freeze_mainloop;	3748	my $freeze_guard = cf::freeze_mainloop;
2889		3749
2890	warn "enter emergency perl save\n";	3750	info "emergency_perl_save: enter\n";
2891		3751
2892	cf::sync_job {	3752	cf::sync_job {
		3753	# this is a trade-off: we want to be very quick here, so
		3754	# save all maps without fsync, and later call a global sync
		3755	# (which in turn might be very very slow)
		3756	local $USE_FSYNC = 0;
		3757
2893	# use a peculiar iteration method to avoid tripping on perl	3758	# use a peculiar iteration method to avoid tripping on perl
2894	# refcount bugs in for. also avoids problems with players	3759	# refcount bugs in for. also avoids problems with players
2895	# and maps saved/destroyed asynchronously.	3760	# and maps saved/destroyed asynchronously.
2896	warn "begin emergency player save\n";	3761	info "emergency_perl_save: begin player save\n";
2897	for my $login (keys %cf::PLAYER) {	3762	for my $login (keys %cf::PLAYER) {
2898	my $pl = $cf::PLAYER{$login} or next;	3763	my $pl = $cf::PLAYER{$login} or next;
2899	$pl->valid or next;	3764	$pl->valid or next;
		3765	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2900	$pl->save;	3766	$pl->save;
2901	}	3767	}
2902	warn "end emergency player save\n";	3768	info "emergency_perl_save: end player save\n";
2903		3769
2904	warn "begin emergency map save\n";	3770	info "emergency_perl_save: begin map save\n";
2905	for my $path (keys %cf::MAP) {	3771	for my $path (keys %cf::MAP) {
2906	my $map = $cf::MAP{$path} or next;	3772	my $map = $cf::MAP{$path} or next;
2907	$map->valid or next;	3773	$map->valid or next;
2908	$map->save;	3774	$map->save;
2909	}	3775	}
2910	warn "end emergency map save\n";	3776	info "emergency_perl_save: end map save\n";
2911		3777
2912	warn "begin emergency database checkpoint\n";	3778	info "emergency_perl_save: begin database checkpoint\n";
2913	BDB::db_env_txn_checkpoint $DB_ENV;	3779	BDB::db_env_txn_checkpoint $DB_ENV;
2914	warn "end emergency database checkpoint\n";	3780	info "emergency_perl_save: end database checkpoint\n";
		3781
		3782	info "emergency_perl_save: begin write uuid\n";
		3783	write_uuid_sync 1;
		3784	info "emergency_perl_save: end write uuid\n";
2915	};	3785	};
2916		3786
2917	warn "leave emergency perl save\n";	3787	info "emergency_perl_save: starting sync()\n";
		3788	IO::AIO::aio_sync sub {
		3789	info "emergency_perl_save: finished sync()\n";
		3790	};
		3791
		3792	info "emergency_perl_save: leave\n";
2918	}	3793	}
2919		3794
2920	sub post_cleanup {	3795	sub post_cleanup {
2921	my ($make_core) = @_;	3796	my ($make_core) = @_;
2922		3797
2923	warn Carp::longmess "post_cleanup backtrace"	3798	error Carp::longmess "post_cleanup backtrace"
2924	if $make_core;	3799	if $make_core;
		3800
		3801	my $fh = pidfile;
		3802	unlink $PIDFILE if <$fh> == $$;
		3803	}
		3804
		3805	# a safer delete_package, copied from Symbol
		3806	sub clear_package($) {
		3807	my $pkg = shift;
		3808
		3809	# expand to full symbol table name if needed
		3810	unless ($pkg =~ /^main::.*::$/) {
		3811	$pkg = "main$pkg" if $pkg =~ /^::/;
		3812	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3813	$pkg .= '::' unless $pkg =~ /::$/;
		3814	}
		3815
		3816	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3817	my $stem_symtab = *{$stem}{HASH};
		3818
		3819	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3820	or return;
		3821
		3822	# clear all symbols
		3823	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3824	for my $name (keys %$leaf_symtab) {
		3825	_gv_clear *{"$pkg$name"};
		3826	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3827	}
2925	}	3828	}
2926		3829
2927	sub do_reload_perl() {	3830	sub do_reload_perl() {
2928	# can/must only be called in main	3831	# can/must only be called in main
2929	if ($Coro::current != $Coro::main) {	3832	if (in_main) {
2930	warn "can only reload from main coroutine";	3833	error "can only reload from main coroutine";
2931	return;	3834	return;
2932	}	3835	}
2933		3836
		3837	return if $RELOAD++;
		3838
		3839	my $t1 = AE::time;
		3840
		3841	while ($RELOAD) {
2934	warn "reloading...";	3842	info "reloading...";
2935		3843
2936	warn "entering sync_job";	3844	trace "entering sync_job";
2937		3845
2938	cf::sync_job {	3846	cf::sync_job {
2939	cf::write_runtime; # external watchdog should not bark	3847	cf::write_runtime_sync; # external watchdog should not bark
2940	cf::emergency_save;	3848	cf::emergency_save;
2941	cf::write_runtime; # external watchdog should not bark	3849	cf::write_runtime_sync; # external watchdog should not bark
2942		3850
2943	warn "syncing database to disk";	3851	trace "syncing database to disk";
2944	BDB::db_env_txn_checkpoint $DB_ENV;	3852	BDB::db_env_txn_checkpoint $DB_ENV;
2945		3853
2946	# if anything goes wrong in here, we should simply crash as we already saved	3854	# if anything goes wrong in here, we should simply crash as we already saved
2947		3855
2948	warn "cancelling all WF_AUTOCANCEL watchers";
2949	for (Event::all_watchers) {
2950	$_->cancel if $_->data & WF_AUTOCANCEL;
2951	}
2952
2953	warn "flushing outstanding aio requests";	3856	trace "flushing outstanding aio requests";
2954	for (;;) {
2955	BDB::flush;
2956	IO::AIO::flush;
2957	Coro::cede;
2958	last unless IO::AIO::nreqs || BDB::nreqs;	3857	while (IO::AIO::nreqs || BDB::nreqs) {
2959	warn "iterate...";	3858	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2960	}
2961
2962	++$RELOAD;
2963
2964	warn "cancelling all extension coros";
2965	$_->cancel for values %EXT_CORO;
2966	%EXT_CORO = ();
2967
2968	warn "removing commands";
2969	%COMMAND = ();
2970
2971	warn "removing ext/exti commands";
2972	%EXTCMD = ();
2973	%EXTICMD = ();
2974
2975	warn "unloading/nuking all extensions";
2976	for my $pkg (@EXTS) {
2977	warn "... unloading $pkg";
2978
2979	if (my $cb = $pkg->can ("unload")) {
2980	eval {
2981	$cb->($pkg);
2982	1
2983	} or warn "$pkg unloaded, but with errors: $@";
2984	}	3859	}
2985		3860
2986	warn "... nuking $pkg";	3861	trace "cancelling all extension coros";
2987	Symbol::delete_package $pkg;	3862	$_->cancel for values %EXT_CORO;
2988	}	3863	%EXT_CORO = ();
2989		3864
2990	warn "unloading all perl modules loaded from $LIBDIR";	3865	trace "removing commands";
2991	while (my ($k, $v) = each %INC) {	3866	%COMMAND = ();
2992	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2993		3867
		3868	trace "removing ext/exti commands";
		3869	%EXTCMD = ();
		3870	%EXTICMD = ();
		3871
		3872	trace "unloading/nuking all extensions";
		3873	for my $pkg (@EXTS) {
2994	warn "... unloading $k";	3874	trace "... unloading $pkg";
2995	delete $INC{$k};
2996		3875
2997	$k =~ s/\.pm$//;
2998	$k =~ s/\//::/g;
2999
3000	if (my $cb = $k->can ("unload_module")) {	3876	if (my $cb = $pkg->can ("unload")) {
		3877	eval {
3001	$cb->();	3878	$cb->($pkg);
		3879	1
		3880	} or error "$pkg unloaded, but with errors: $@";
		3881	}
		3882
		3883	trace "... clearing $pkg";
		3884	clear_package $pkg;
3002	}	3885	}
3003		3886
3004	Symbol::delete_package $k;	3887	trace "unloading all perl modules loaded from $LIBDIR";
		3888	while (my ($k, $v) = each %INC) {
		3889	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3890
		3891	trace "... unloading $k";
		3892	delete $INC{$k};
		3893
		3894	$k =~ s/\.pm$//;
		3895	$k =~ s/\//::/g;
		3896
		3897	if (my $cb = $k->can ("unload_module")) {
		3898	$cb->();
		3899	}
		3900
		3901	clear_package $k;
3005	}	3902	}
3006		3903
3007	warn "getting rid of safe::, as good as possible";	3904	trace "getting rid of safe::, as good as possible";
3008	Symbol::delete_package "safe::$_"	3905	clear_package "safe::$_"
3009	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3906	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3010		3907
3011	warn "unloading cf.pm \"a bit\"";	3908	trace "unloading cf.pm \"a bit\"";
3012	delete $INC{"cf.pm"};	3909	delete $INC{"cf.pm"};
3013	delete $INC{"cf/pod.pm"};	3910	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3014		3911
3015	# don't, removes xs symbols, too,	3912	# don't, removes xs symbols, too,
3016	# and global variables created in xs	3913	# and global variables created in xs
3017	#Symbol::delete_package __PACKAGE__;	3914	#clear_package __PACKAGE__;
3018		3915
3019	warn "unload completed, starting to reload now";	3916	info "unload completed, starting to reload now";
3020		3917
3021	warn "reloading cf.pm";	3918	trace "reloading cf.pm";
3022	require cf;	3919	require cf;
3023	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3920	cf::_connect_to_perl_1;
3024		3921
3025	warn "loading config and database again";	3922	trace "loading config and database again";
3026	cf::cfg_load;	3923	cf::reload_config;
3027		3924
3028	warn "loading extensions";	3925	trace "loading extensions";
3029	cf::load_extensions;	3926	cf::load_extensions;
3030		3927
		3928	if ($REATTACH_ON_RELOAD) {
3031	warn "reattaching attachments to objects/players";	3929	trace "reattaching attachments to objects/players";
3032	_global_reattach; # objects, sockets	3930	_global_reattach; # objects, sockets
3033	warn "reattaching attachments to maps";	3931	trace "reattaching attachments to maps";
3034	reattach $_ for values %MAP;	3932	reattach $_ for values %MAP;
3035	warn "reattaching attachments to players";	3933	trace "reattaching attachments to players";
3036	reattach $_ for values %PLAYER;	3934	reattach $_ for values %PLAYER;
		3935	}
3037		3936
		3937	trace "running post_init jobs";
		3938	(pop @POST_INIT)->(1) while @POST_INIT;
		3939
3038	warn "leaving sync_job";	3940	trace "leaving sync_job";
3039		3941
3040	1	3942	1
3041	} or do {	3943	} or do {
3042	warn $@;	3944	error $@;
3043	warn "error while reloading, exiting.";	3945	cf::cleanup "error while reloading, exiting.";
3044	exit 1;	3946	};
		3947
		3948	info "reloaded";
		3949	--$RELOAD;
3045	};	3950	}
3046		3951
3047	warn "reloaded";	3952	$t1 = AE::time - $t1;
		3953	info "reload completed in ${t1}s\n";
3048	};	3954	};
3049		3955
3050	our $RELOAD_WATCHER; # used only during reload	3956	our $RELOAD_WATCHER; # used only during reload
3051		3957
3052	sub reload_perl() {	3958	sub reload_perl() {
3053	# doing reload synchronously and two reloads happen back-to-back,	3959	# doing reload synchronously and two reloads happen back-to-back,
3054	# coro crashes during coro_state_free->destroy here.	3960	# coro crashes during coro_state_free->destroy here.
3055		3961
3056	$RELOAD_WATCHER ||= Event->timer (	3962	$RELOAD_WATCHER ||= cf::async {
3057	reentrant => 0,	3963	Coro::AIO::aio_wait cache_extensions;
3058	after => 0,	3964
3059	data => WF_AUTOCANCEL,	3965	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3060	cb => sub {
3061	do_reload_perl;	3966	do_reload_perl;
3062	undef $RELOAD_WATCHER;	3967	undef $RELOAD_WATCHER;
3063	},	3968	};
3064	);	3969	};
3065	}	3970	}
3066		3971
3067	register_command "reload" => sub {	3972	register_command "reload" => sub {
3068	my ($who, $arg) = @_;	3973	my ($who, $arg) = @_;
3069		3974
3070	if ($who->flag (FLAG_WIZ)) {	3975	if ($who->flag (FLAG_WIZ)) {
3071	$who->message ("reloading server.");	3976	$who->message ("reloading server.");
		3977	async {
		3978	$Coro::current->{desc} = "perl_reload";
3072	async { reload_perl };	3979	reload_perl;
		3980	};
3073	}	3981	}
3074	};	3982	};
3075		3983
3076	unshift @INC, $LIBDIR;	3984	unshift @INC, $LIBDIR;
3077		3985
…		…
3079		3987
3080	our @WAIT_FOR_TICK;	3988	our @WAIT_FOR_TICK;
3081	our @WAIT_FOR_TICK_BEGIN;	3989	our @WAIT_FOR_TICK_BEGIN;
3082		3990
3083	sub wait_for_tick {	3991	sub wait_for_tick {
3084	return unless $TICK_WATCHER->is_active;
3085	return if $Coro::current == $Coro::main;	3992	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3086		3993
3087	my $signal = new Coro::Signal;	3994	my $signal = new Coro::Signal;
3088	push @WAIT_FOR_TICK, $signal;	3995	push @WAIT_FOR_TICK, $signal;
3089	$signal->wait;	3996	$signal->wait;
3090	}	3997	}
3091		3998
3092	sub wait_for_tick_begin {	3999	sub wait_for_tick_begin {
3093	return unless $TICK_WATCHER->is_active;
3094	return if $Coro::current == $Coro::main;	4000	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3095		4001
3096	my $signal = new Coro::Signal;	4002	my $signal = new Coro::Signal;
3097	push @WAIT_FOR_TICK_BEGIN, $signal;	4003	push @WAIT_FOR_TICK_BEGIN, $signal;
3098	$signal->wait;	4004	$signal->wait;
3099	}	4005	}
3100		4006
3101	my $min = 1e6;#d#	4007	sub tick {
3102	my $avg = 10;
3103	$TICK_WATCHER = Event->timer (
3104	reentrant => 0,
3105	parked => 1,
3106	prio => 0,
3107	at => $NEXT_TICK || $TICK,
3108	data => WF_AUTOCANCEL,
3109	cb => sub {
3110	if ($Coro::current != $Coro::main) {	4008	if ($Coro::current != $Coro::main) {
3111	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4009	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3112	unless ++$bug_warning > 10;	4010	unless ++$bug_warning > 10;
3113	return;	4011	return;
3114	}	4012	}
3115		4013
3116	$NOW = $tick_start = Event::time;
3117
3118	cf::server_tick; # one server iteration	4014	cf::server_tick; # one server iteration
3119		4015
3120	0 && sync_job {#d#	4016	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3121	for(1..10) {
3122	my $t = Event::time;
3123	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3124	or die;
3125		4017
3126	$map->width (50);	4018	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3127	$map->height (50);	4019	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3128	$map->alloc;	4020	Coro::async_pool {
3129	$map->_load_objects ("/tmp/x.map", 1);	4021	$Coro::current->{desc} = "runtime saver";
3130	my $t = Event::time - $t;	4022	write_runtime_sync
3131		4023	or error "ERROR: unable to write runtime file: $!";
3132	#next unless $t < 0.0013;#d#
3133	if ($t < $min) {
3134	$min = $t;
3135	}
3136	$avg = $avg * 0.99 + $t * 0.01;
3137	}
3138	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3139	exit 0;
3140	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3141	};	4024	};
		4025	}
3142		4026
3143	$RUNTIME += $TICK;
3144	$NEXT_TICK += $TICK;
3145
3146	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3147	$NEXT_RUNTIME_WRITE = $NOW + 10;
3148	Coro::async_pool {
3149	write_runtime
3150	or warn "ERROR: unable to write runtime file: $!";
3151	};
3152	}
3153
3154	# my $AFTER = Event::time;
3155	# warn $AFTER - $NOW;#d#
3156
3157	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4027	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3158	$sig->send;	4028	$sig->send;
3159	}	4029	}
3160	while (my $sig = shift @WAIT_FOR_TICK) {	4030	while (my $sig = shift @WAIT_FOR_TICK) {
3161	$sig->send;	4031	$sig->send;
3162	}	4032	}
3163		4033
3164	$NOW = Event::time;	4034	$LOAD = ($NOW - $TICK_START) / $TICK;
3165
3166	# if we are delayed by four ticks or more, skip them all
3167	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3168
3169	$TICK_WATCHER->at ($NEXT_TICK);
3170	$TICK_WATCHER->start;
3171
3172	$LOAD = ($NOW - $tick_start) / $TICK;
3173	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4035	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3174		4036
3175	_post_tick;	4037	if (0) {
3176		4038	if ($NEXT_TICK) {
3177		4039	my $jitter = $TICK_START - $NEXT_TICK;
		4040	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4041	debug "jitter $JITTER\n";#d#
		4042	}
3178	},	4043	}
3179	);	4044	}
3180		4045
3181	{	4046	{
3182	BDB::max_poll_time $TICK * 0.1;	4047	# configure BDB
3183	$BDB_POLL_WATCHER = Event->io (	4048
3184	reentrant => 0,
3185	fd => BDB::poll_fileno,
3186	poll => 'r',
3187	prio => 0,
3188	data => WF_AUTOCANCEL,
3189	cb => \&BDB::poll_cb,
3190	);
3191	BDB::min_parallel 8;	4049	BDB::min_parallel 16;
3192		4050	BDB::max_poll_reqs $TICK * 0.1;
3193	BDB::set_sync_prepare {	4051	$AnyEvent::BDB::WATCHER->priority (1);
3194	my $status;
3195	my $current = $Coro::current;
3196	(
3197	sub {
3198	$status = $!;
3199	$current->ready; undef $current;
3200	},
3201	sub {
3202	Coro::schedule while defined $current;
3203	$! = $status;
3204	},
3205	)
3206	};
3207		4052
3208	unless ($DB_ENV) {	4053	unless ($DB_ENV) {
3209	$DB_ENV = BDB::db_env_create;	4054	$DB_ENV = BDB::db_env_create;
		4055	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4056	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4057	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4058	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4059	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3210		4060
		4061	(Coro::async { # async to keep sync_job from complaining
3211	cf::sync_job {	4062	cf::sync_job {
3212	eval {	4063	eval {
3213	BDB::db_env_open	4064	BDB::db_env_open
3214	$DB_ENV,	4065	$DB_ENV,
3215	$BDBDIR,	4066	$BDBDIR,
3216	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4067	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3217	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4068	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3218	0666;	4069	0666;
3219		4070
3220	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4071	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4072	};
3221		4073
3222	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	4074	cf::cleanup "db_env_open(db): $@" if $@;
3223	$DB_ENV->set_lk_detect;
3224	};	4075	};
		4076	})->join;
		4077	}
3225		4078
3226	cf::cleanup "db_env_open(db): $@" if $@;	4079	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3227	};	4080	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3228	}	4081	};
		4082	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4083	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4084	};
		4085	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4086	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4087	};
3229	}	4088	}
3230		4089
3231	{	4090	{
		4091	# configure IO::AIO
		4092
3232	IO::AIO::min_parallel 8;	4093	IO::AIO::min_parallel 8;
3233
3234	undef $Coro::AIO::WATCHER;
3235	IO::AIO::max_poll_time $TICK * 0.1;	4094	IO::AIO::max_poll_time $TICK * 0.1;
3236	$AIO_POLL_WATCHER = Event->io (	4095	undef $AnyEvent::AIO::WATCHER;
3237	reentrant => 0,
3238	data => WF_AUTOCANCEL,
3239	fd => IO::AIO::poll_fileno,
3240	poll => 'r',
3241	prio => 6,
3242	cb => \&IO::AIO::poll_cb,
3243	);
3244	}	4096	}
3245		4097
3246	my $_log_backtrace;	4098	my $_log_backtrace;
3247		4099
3248	sub _log_backtrace {	4100	sub _log_backtrace {
…		…
3251	$msg =~ s/\n//;	4103	$msg =~ s/\n//;
3252		4104
3253	# limit the # of concurrent backtraces	4105	# limit the # of concurrent backtraces
3254	if ($_log_backtrace < 2) {	4106	if ($_log_backtrace < 2) {
3255	++$_log_backtrace;	4107	++$_log_backtrace;
		4108	my $perl_bt = Carp::longmess $msg;
3256	async {	4109	async {
		4110	$Coro::current->{desc} = "abt $msg";
		4111
3257	my @bt = fork_call {	4112	my @bt = fork_call {
3258	@addr = map { sprintf "%x", $_ } @addr;	4113	@addr = map { sprintf "%x", $_ } @addr;
3259	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4114	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3260	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4115	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3261	or die "addr2line: $!";	4116	or die "addr2line: $!";
…		…
3269	}	4124	}
3270		4125
3271	@funcs	4126	@funcs
3272	};	4127	};
3273		4128
3274	LOG llevInfo, "[ABT] $msg\n";	4129	LOG llevInfo, "[ABT] $perl_bt\n";
		4130	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3275	LOG llevInfo, "[ABT] $_\n" for @bt;	4131	LOG llevInfo, "[ABT] $_\n" for @bt;
3276	--$_log_backtrace;	4132	--$_log_backtrace;
3277	};	4133	};
3278	} else {	4134	} else {
3279	LOG llevInfo, "[ABT] $msg\n";	4135	LOG llevInfo, "[ABT] $msg\n";
3280	LOG llevInfo, "[ABT] [suppressed]\n";	4136	LOG llevInfo, "[ABT] [suppressed]\n";
3281	}	4137	}
3282	}	4138	}
3283		4139
3284	# load additional modules	4140	# load additional modules
3285	use cf::pod;	4141	require "cf/$_.pm" for @EXTRA_MODULES;
		4142	cf::_connect_to_perl_2;
3286		4143
3287	END { cf::emergency_save }	4144	END { cf::emergency_save }
3288		4145
3289	1	4146	1
3290		4147

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines