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 1.293 by root, Tue Jul 3 05:14:15 2007 UTC vs.
Revision 1.538 by root, Tue May 4 21:45:43 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Socket;	31	use Socket;
9	use Storable;	32	use EV;
10	use Event;
11	use Opcode;	33	use Opcode;
12	use Safe;	34	use Safe;
13	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
14		38
		39	use Guard ();
15	use Coro 3.61 ();	40	use Coro ();
16	use Coro::State;	41	use Coro::State;
17	use Coro::Handle;	42	use Coro::Handle;
		43	use Coro::EV;
18	use Coro::Event;	44	use Coro::AnyEvent;
19	use Coro::Timer;	45	use Coro::Timer;
20	use Coro::Signal;	46	use Coro::Signal;
21	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
22	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
23	use Coro::Storable;	52	use Coro::Storable;
		53	use Coro::Util ();
24		54
25	use JSON::XS 1.4 ();	55	use JSON::XS 2.01 ();
26	use BDB ();	56	use BDB ();
27	use Data::Dumper;	57	use Data::Dumper;
28	use Digest::MD5;
29	use Fcntl;	58	use Fcntl;
30	use YAML::Syck ();	59	use YAML::XS ();
31	use IO::AIO 2.32 ();	60	use IO::AIO ();
32	use Time::HiRes;	61	use Time::HiRes;
33	use Compress::LZF;	62	use Compress::LZF;
		63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
34		66
35	# configure various modules to our taste	67	# configure various modules to our taste
36	#	68	#
37	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
38	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
39	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
40		77
41	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
42		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
44	$YAML::Syck::ImplicitUnicode = 1;
45
46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
47		80
48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
49		82
50	our %COMMAND = ();	83	our %COMMAND = ();
51	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
…		…
54	our %EXTCMD = ();	87	our %EXTCMD = ();
55	our %EXTICMD = ();	88	our %EXTICMD = ();
56	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
57	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
58		91
59	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
60	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
61		96
62	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
63	our $DATADIR = datadir;	98	our $DATADIR = datadir;
64	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
65	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
66	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
67	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
68	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
71	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
72	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
73		118
74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
75	our $TICK_WATCHER;
76	our $AIO_POLL_WATCHER;
77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
78	our $NEXT_TICK;	121	our $NEXT_TICK;
79	our $NOW;
80	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
81		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
82	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
83	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript);
84		130
85	our %CFG;	131	our %CFG;
86		132
87	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
88	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
89		136
90	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
91	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
92	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
93		140
94	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
96		143
97	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
98	our $LOADAVG; # same thing, but with alpha-smoothing	145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
99	our $tick_start; # for load detecting purposes	147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
100		153
101	binmode STDOUT;	154	binmode STDOUT;
102	binmode STDERR;	155	binmode STDERR;
103		156
104	# read virtual server time, if available	157	# read virtual server time, if available
105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
106	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
107	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
108	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
109	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
110		165
111	mkdir $_	166	mkdir $_
112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
113		168
114	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
115		170
116	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
117		187
118	#############################################################################	188	#############################################################################
119		189
120	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
121		191
…		…
157		227
158	The raw value load value from the last tick.	228	The raw value load value from the last tick.
159		229
160	=item %cf::CFG	230	=item %cf::CFG
161		231
162	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
163	from wherever your confdir points to.	233	from wherever your confdir points to.
164		234
165	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
166		236
167	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
168	returns directly I<after> the tick processing (and consequently, can only wake one process	238	returns directly I<after> the tick processing (and consequently, can only wake one process
169	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
170		240
		241	=item @cf::INVOKE_RESULTS
		242
		243	This array contains the results of the last C<invoke ()> call. When
		244	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		245	that call.
		246
		247	=item %cf::REFLECT
		248
		249	Contains, for each (C++) class name, a hash reference with information
		250	about object members (methods, scalars, arrays and flags) and other
		251	metadata, which is useful for introspection.
		252
171	=back	253	=back
172		254
173	=cut	255	=cut
174		256
175	BEGIN {	257	sub error(@) { LOG llevError, join "", @_ }
176	*CORE::GLOBAL::warn = sub {	258	sub warn (@) { LOG llevWarn , join "", @_ }
		259	sub info (@) { LOG llevInfo , join "", @_ }
		260	sub debug(@) { LOG llevDebug, join "", @_ }
		261	sub trace(@) { LOG llevTrace, join "", @_ }
		262
		263	$Coro::State::WARNHOOK = sub {
177	my $msg = join "", @_;	264	my $msg = join "", @_;
178		265
179	$msg .= "\n"	266	$msg .= "\n"
180	unless $msg =~ /\n$/;	267	unless $msg =~ /\n$/;
181		268
182	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	269	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
183		270
184	utf8::encode $msg;
185	LOG llevError, $msg;	271	LOG llevWarn, $msg;
186	};	272	};
187	}	273
		274	$Coro::State::DIEHOOK = sub {
		275	return unless $^S eq 0; # "eq", not "=="
		276
		277	error Carp::longmess $_[0];
		278
		279	if (in_main) {#d#
		280	error "DIEHOOK called in main context, Coro bug?\n";#d#
		281	return;#d#
		282	}#d#
		283
		284	# kill coroutine otherwise
		285	Coro::terminate
		286	};
188		287
189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	288	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	289	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	290	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	291	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
199	for my $pkg (qw(	298	for my $pkg (qw(
200	cf::global cf::attachable	299	cf::global cf::attachable
201	cf::object cf::object::player	300	cf::object cf::object::player
202	cf::client cf::player	301	cf::client cf::player
203	cf::arch cf::living	302	cf::arch cf::living
		303	cf::map cf::mapspace
204	cf::map cf::party cf::region	304	cf::party cf::region
205	)) {	305	)) {
206	no strict 'refs';
207	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	306	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
208	}	307	}
209		308
210	$Event::DIED = sub {	309	$EV::DIED = sub {
211	warn "error in event callback: @_";	310	Carp::cluck "error in event callback: @_";
212	};	311	};
213		312
214	#############################################################################	313	#############################################################################
215		314
216	=head2 UTILITY FUNCTIONS	315	=head2 UTILITY FUNCTIONS
…		…
238	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	337	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
239	$d	338	$d
240	} || "[unable to dump $_[0]: '$@']";	339	} || "[unable to dump $_[0]: '$@']";
241	}	340	}
242		341
243	=item $ref = cf::from_json $json	342	=item $ref = cf::decode_json $json
244		343
245	Converts a JSON string into the corresponding perl data structure.	344	Converts a JSON string into the corresponding perl data structure.
246		345
247	=item $json = cf::to_json $ref	346	=item $json = cf::encode_json $ref
248		347
249	Converts a perl data structure into its JSON representation.	348	Converts a perl data structure into its JSON representation.
250		349
251	=cut	350	=cut
252		351
253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	352	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
254		353
255	sub to_json ($) { $json_coder->encode ($_[0]) }	354	sub encode_json($) { $json_coder->encode ($_[0]) }
256	sub from_json ($) { $json_coder->decode ($_[0]) }	355	sub decode_json($) { $json_coder->decode ($_[0]) }
		356
		357	=item cf::post_init { BLOCK }
		358
		359	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		360	but I<before> the server starts ticking again.
		361
		362	The cdoeblock will have a single boolean argument to indicate whether this
		363	is a reload or not.
		364
		365	=cut
		366
		367	sub post_init(&) {
		368	push @POST_INIT, shift;
		369	}
257		370
258	=item cf::lock_wait $string	371	=item cf::lock_wait $string
259		372
260	Wait until the given lock is available. See cf::lock_acquire.	373	Wait until the given lock is available. See cf::lock_acquire.
261		374
262	=item my $lock = cf::lock_acquire $string	375	=item my $lock = cf::lock_acquire $string
263		376
264	Wait until the given lock is available and then acquires it and returns	377	Wait until the given lock is available and then acquires it and returns
265	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	378	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
266	for example when the coroutine gets canceled), the lock is automatically	379	for example when the coroutine gets canceled), the lock is automatically
267	returned.	380	returned.
268		381
		382	Locks are *not* recursive, locking from the same coro twice results in a
		383	deadlocked coro.
		384
269	Lock names should begin with a unique identifier (for example, cf::map::find	385	Lock names should begin with a unique identifier (for example, cf::map::find
270	uses map_find and cf::map::load uses map_load).	386	uses map_find and cf::map::load uses map_load).
271		387
272	=item $locked = cf::lock_active $string	388	=item $locked = cf::lock_active $string
273		389
274	Return true if the lock is currently active, i.e. somebody has locked it.	390	Return true if the lock is currently active, i.e. somebody has locked it.
275		391
276	=cut	392	=cut
277		393
278	our %LOCK;	394	our $LOCKS = new Coro::SemaphoreSet;
279		395
280	sub lock_wait($) {	396	sub lock_wait($) {
281	my ($key) = @_;	397	$LOCKS->wait ($_[0]);
282
283	# wait for lock, if any
284	while ($LOCK{$key}) {
285	push @{ $LOCK{$key} }, $Coro::current;
286	Coro::schedule;
287	}
288	}	398	}
289		399
290	sub lock_acquire($) {	400	sub lock_acquire($) {
291	my ($key) = @_;	401	$LOCKS->guard ($_[0])
292
293	# wait, to be sure we are not locked
294	lock_wait $key;
295
296	$LOCK{$key} = [];
297
298	Coro::guard {
299	# wake up all waiters, to be on the safe side
300	$_->ready for @{ delete $LOCK{$key} };
301	}
302	}	402	}
303		403
304	sub lock_active($) {	404	sub lock_active($) {
305	my ($key) = @_;	405	$LOCKS->count ($_[0]) < 1
306
307	! ! $LOCK{$key}
308	}	406	}
309		407
310	sub freeze_mainloop {	408	sub freeze_mainloop {
311	return unless $TICK_WATCHER->is_active;	409	tick_inhibit_inc;
312		410
313	my $guard = Coro::guard {	411	&Guard::guard (\&tick_inhibit_dec);
314	$TICK_WATCHER->start;	412	}
		413
		414	=item cf::periodic $interval, $cb
		415
		416	Like EV::periodic, but randomly selects a starting point so that the actions
		417	get spread over time.
		418
		419	=cut
		420
		421	sub periodic($$) {
		422	my ($interval, $cb) = @_;
		423
		424	my $start = rand List::Util::min 180, $interval;
		425
		426	EV::periodic $start, $interval, 0, $cb
		427	}
		428
		429	=item cf::get_slot $time[, $priority[, $name]]
		430
		431	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		432	This call blocks and returns only when you have at least C<$time> seconds
		433	of cpu time till the next tick. The slot is only valid till the next cede.
		434
		435	The optional C<$name> can be used to identify the job to run. It might be
		436	used for statistical purposes and should identify the same time-class.
		437
		438	Useful for short background jobs.
		439
		440	=cut
		441
		442	our @SLOT_QUEUE;
		443	our $SLOT_QUEUE;
		444	our $SLOT_DECAY = 0.9;
		445
		446	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		447	$SLOT_QUEUE = Coro::async {
		448	$Coro::current->desc ("timeslot manager");
		449
		450	my $signal = new Coro::Signal;
		451	my $busy;
		452
		453	while () {
		454	next_job:
		455
		456	my $avail = cf::till_tick;
		457
		458	for (0 .. $#SLOT_QUEUE) {
		459	if ($SLOT_QUEUE[$_][0] <= $avail) {
		460	$busy = 0;
		461	my $job = splice @SLOT_QUEUE, $_, 1, ();
		462	$job->[2]->send;
		463	Coro::cede;
		464	goto next_job;
		465	} else {
		466	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		467	}
		468	}
		469
		470	if (@SLOT_QUEUE) {
		471	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		472	push @cf::WAIT_FOR_TICK, $signal;
		473	$signal->wait;
		474	} else {
		475	$busy = 0;
		476	Coro::schedule;
		477	}
315	};	478	}
316	$TICK_WATCHER->stop;	479	};
317	$guard	480
		481	sub get_slot($;$$) {
		482	return if tick_inhibit || $Coro::current == $Coro::main;
		483
		484	my ($time, $pri, $name) = @_;
		485
		486	$time = clamp $time, 0.01, $TICK * .6;
		487
		488	my $sig = new Coro::Signal;
		489
		490	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		491	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		492	$SLOT_QUEUE->ready;
		493	$sig->wait;
318	}	494	}
319		495
320	=item cf::async { BLOCK }	496	=item cf::async { BLOCK }
321		497
322	Currently the same as Coro::async_pool, meaning you cannot use	498	Currently the same as Coro::async_pool, meaning you cannot use
…		…
327		503
328	BEGIN { *async = \&Coro::async_pool }	504	BEGIN { *async = \&Coro::async_pool }
329		505
330	=item cf::sync_job { BLOCK }	506	=item cf::sync_job { BLOCK }
331		507
332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	508	The design of Deliantra requires that the main coroutine ($Coro::main)
333	is always able to handle events or runnable, as Crossfire TRT is only	509	is always able to handle events or runnable, as Deliantra is only
334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	510	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
335	acceptable.	511	acceptable.
336		512
337	If it must be done, put the blocking parts into C<sync_job>. This will run	513	If it must be done, put the blocking parts into C<sync_job>. This will run
338	the given BLOCK in another coroutine while waiting for the result. The	514	the given BLOCK in another coroutine while waiting for the result. The
…		…
342	=cut	518	=cut
343		519
344	sub sync_job(&) {	520	sub sync_job(&) {
345	my ($job) = @_;	521	my ($job) = @_;
346		522
347	if ($Coro::current == $Coro::main) {	523	if (in_main) {
348	my $time = Event::time;	524	my $time = AE::time;
349		525
350	# this is the main coro, too bad, we have to block	526	# this is the main coro, too bad, we have to block
351	# till the operation succeeds, freezing the server :/	527	# till the operation succeeds, freezing the server :/
352		528
353	# TODO: use suspend/resume instead	529	#LOG llevError, Carp::longmess "sync job";#d#
354	# (but this is cancel-safe)	530
355	my $freeze_guard = freeze_mainloop;	531	my $freeze_guard = freeze_mainloop;
356		532
357	my $busy = 1;	533	my $busy = 1;
358	my @res;	534	my @res;
359		535
360	(async {	536	(async {
		537	$Coro::current->desc ("sync job coro");
361	@res = eval { $job->() };	538	@res = eval { $job->() };
362	warn $@ if $@;	539	error $@ if $@;
363	undef $busy;	540	undef $busy;
364	})->prio (Coro::PRIO_MAX);	541	})->prio (Coro::PRIO_MAX);
365		542
366	while ($busy) {	543	while ($busy) {
367	Coro::cede or Event::one_event;	544	if (Coro::nready) {
		545	Coro::cede_notself;
		546	} else {
		547	EV::loop EV::LOOP_ONESHOT;
368	}	548	}
		549	}
369		550
370	$time = Event::time - $time;	551	my $time = AE::time - $time;
371		552
372	LOG llevError | logBacktrace, Carp::longmess "long sync job"
373	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
374
375	$tick_start += $time; # do not account sync jobs to server load	553	$TICK_START += $time; # do not account sync jobs to server load
376		554
377	wantarray ? @res : $res[0]	555	wantarray ? @res : $res[0]
378	} else {	556	} else {
379	# we are in another coroutine, how wonderful, everything just works	557	# we are in another coroutine, how wonderful, everything just works
380		558
…		…
405	=item fork_call { }, $args	583	=item fork_call { }, $args
406		584
407	Executes the given code block with the given arguments in a seperate	585	Executes the given code block with the given arguments in a seperate
408	process, returning the results. Everything must be serialisable with	586	process, returning the results. Everything must be serialisable with
409	Coro::Storable. May, of course, block. Note that the executed sub may	587	Coro::Storable. May, of course, block. Note that the executed sub may
410	never block itself or use any form of Event handling.	588	never block itself or use any form of event handling.
411		589
412	=cut	590	=cut
413		591
414	sub fork_call(&@) {	592	sub fork_call(&@) {
415	my ($cb, @args) = @_;	593	my ($cb, @args) = @_;
416		594
417	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	595	# we seemingly have to make a local copy of the whole thing,
418	# or die "socketpair: $!";	596	# otherwise perl prematurely frees the stuff :/
419	pipe my $fh1, my $fh2	597	# TODO: investigate and fix (likely this will be rather laborious)
420	or die "pipe: $!";
421		598
422	if (my $pid = fork) {	599	my @res = Coro::Util::fork_eval {
423	close $fh2;
424
425	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
426	$res = Coro::Storable::thaw $res;
427
428	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
429
430	die $$res unless "ARRAY" eq ref $res;
431
432	return wantarray ? @$res : $res->[-1];
433	} else {
434	reset_signals;	600	reset_signals;
435	local $SIG{__WARN__};	601	&$cb
436	local $SIG{__DIE__};	602	}, @args;
437	eval {
438	close $fh1;
439		603
440	my @res = eval { $cb->(@args) };	604	wantarray ? @res : $res[-1]
441	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);	605	}
442	};
443		606
444	warn $@ if $@;	607	sub objinfo {
445	_exit 0;
446	}	608	(
		609	"counter value" => cf::object::object_count,
		610	"objects created" => cf::object::create_count,
		611	"objects destroyed" => cf::object::destroy_count,
		612	"freelist size" => cf::object::free_count,
		613	"allocated objects" => cf::object::objects_size,
		614	"active objects" => cf::object::actives_size,
		615	)
		616	}
		617
		618	=item $coin = coin_from_name $name
		619
		620	=cut
		621
		622	our %coin_alias = (
		623	"silver" => "silvercoin",
		624	"silvercoin" => "silvercoin",
		625	"silvercoins" => "silvercoin",
		626	"gold" => "goldcoin",
		627	"goldcoin" => "goldcoin",
		628	"goldcoins" => "goldcoin",
		629	"platinum" => "platinacoin",
		630	"platinumcoin" => "platinacoin",
		631	"platinumcoins" => "platinacoin",
		632	"platina" => "platinacoin",
		633	"platinacoin" => "platinacoin",
		634	"platinacoins" => "platinacoin",
		635	"royalty" => "royalty",
		636	"royalties" => "royalty",
		637	);
		638
		639	sub coin_from_name($) {
		640	$coin_alias{$_[0]}
		641	? cf::arch::find $coin_alias{$_[0]}
		642	: undef
447	}	643	}
448		644
449	=item $value = cf::db_get $family => $key	645	=item $value = cf::db_get $family => $key
450		646
451	Returns a single value from the environment database.	647	Returns a single value from the environment database.
…		…
453	=item cf::db_put $family => $key => $value	649	=item cf::db_put $family => $key => $value
454		650
455	Stores the given C<$value> in the family. It can currently store binary	651	Stores the given C<$value> in the family. It can currently store binary
456	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	652	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
457		653
		654	=item $db = cf::db_table "name"
		655
		656	Create and/or open a new database table. The string must not be "db" and must be unique
		657	within each server.
		658
458	=cut	659	=cut
		660
		661	sub db_table($) {
		662	cf::error "db_get called from main context"
		663	if $Coro::current == $Coro::main;
		664
		665	my ($name) = @_;
		666	my $db = BDB::db_create $DB_ENV;
		667
		668	eval {
		669	$db->set_flags (BDB::CHKSUM);
		670
		671	utf8::encode $name;
		672	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		673	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		674	cf::cleanup "db_open(db): $!" if $!;
		675	};
		676	cf::cleanup "db_open(db): $@" if $@;
		677
		678	$db
		679	}
459		680
460	our $DB;	681	our $DB;
461		682
462	sub db_init {	683	sub db_init {
463	unless ($DB) {	684	$DB ||= db_table "db";
464	$DB = BDB::db_create $DB_ENV;
465
466	cf::sync_job {
467	eval {
468	$DB->set_flags (BDB::CHKSUM);
469
470	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
471	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
472	cf::cleanup "db_open(db): $!" if $!;
473	};
474	cf::cleanup "db_open(db): $@" if $@;
475	};
476	}
477	}	685	}
478		686
479	sub db_get($$) {	687	sub db_get($$) {
480	my $key = "$_[0]/$_[1]";	688	my $key = "$_[0]/$_[1]";
481		689
482	cf::sync_job {	690	cf::error "db_get called from main context"
		691	if $Coro::current == $Coro::main;
		692
483	BDB::db_get $DB, undef, $key, my $data;	693	BDB::db_get $DB, undef, $key, my $data;
484		694
485	$! ? ()	695	$! ? ()
486	: $data	696	: $data
487	}
488	}	697	}
489		698
490	sub db_put($$$) {	699	sub db_put($$$) {
491	BDB::dbreq_pri 4;	700	BDB::dbreq_pri 4;
492	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	701	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
531	if (1) {	740	if (1) {
532	$md5 =	741	$md5 =
533	join "\x00",	742	join "\x00",
534	$processversion,	743	$processversion,
535	map {	744	map {
536	Coro::cede;	745	cf::cede_to_tick;
537	($src->[$_], Digest::MD5::md5_hex $data[$_])	746	($src->[$_], Digest::MD5::md5_hex $data[$_])
538	} 0.. $#$src;	747	} 0.. $#$src;
539		748
540		749
541	my $dbmd5 = db_get cache => "$id/md5";	750	my $dbmd5 = db_get cache => "$id/md5";
…		…
548		757
549	my $t1 = Time::HiRes::time;	758	my $t1 = Time::HiRes::time;
550	my $data = $process->(\@data);	759	my $data = $process->(\@data);
551	my $t2 = Time::HiRes::time;	760	my $t2 = Time::HiRes::time;
552		761
553	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	762	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
554		763
555	db_put cache => "$id/data", $data;	764	db_put cache => "$id/data", $data;
556	db_put cache => "$id/md5" , $md5;	765	db_put cache => "$id/md5" , $md5;
557	db_put cache => "$id/meta", $meta;	766	db_put cache => "$id/meta", $meta;
558		767
…		…
568		777
569	=cut	778	=cut
570		779
571	sub datalog($@) {	780	sub datalog($@) {
572	my ($type, %kv) = @_;	781	my ($type, %kv) = @_;
573	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	782	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
574	}	783	}
575		784
576	=back	785	=back
577		786
578	=cut	787	=cut
579		788
580	#############################################################################	789	#############################################################################
581		790
582	=head2 ATTACHABLE OBJECTS	791	=head2 ATTACHABLE OBJECTS
583		792
584	Many objects in crossfire are so-called attachable objects. That means you can	793	Many objects in deliantra are so-called attachable objects. That means you can
585	attach callbacks/event handlers (a collection of which is called an "attachment")	794	attach callbacks/event handlers (a collection of which is called an "attachment")
586	to it. All such attachable objects support the following methods.	795	to it. All such attachable objects support the following methods.
587		796
588	In the following description, CLASS can be any of C<global>, C<object>	797	In the following description, CLASS can be any of C<global>, C<object>
589	C<player>, C<client> or C<map> (i.e. the attachable objects in	798	C<player>, C<client> or C<map> (i.e. the attachable objects in
590	Crossfire TRT).	799	Deliantra).
591		800
592	=over 4	801	=over 4
593		802
594	=item $attachable->attach ($attachment, key => $value...)	803	=item $attachable->attach ($attachment, key => $value...)
595		804
…		…
639	=item cf::CLASS::attachment $name, ...	848	=item cf::CLASS::attachment $name, ...
640		849
641	Register an attachment by C<$name> through which attachable objects of the	850	Register an attachment by C<$name> through which attachable objects of the
642	given CLASS can refer to this attachment.	851	given CLASS can refer to this attachment.
643		852
644	Some classes such as crossfire maps and objects can specify attachments	853	Some classes such as deliantra maps and objects can specify attachments
645	that are attached at load/instantiate time, thus the need for a name.	854	that are attached at load/instantiate time, thus the need for a name.
646		855
647	These calls expect any number of the following handler/hook descriptions:	856	These calls expect any number of the following handler/hook descriptions:
648		857
649	=over 4	858	=over 4
…		…
773		982
774	} elsif (exists $cb_id{$type}) {	983	} elsif (exists $cb_id{$type}) {
775	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	984	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
776		985
777	} elsif (ref $type) {	986	} elsif (ref $type) {
778	warn "attaching objects not supported, ignoring.\n";	987	error "attaching objects not supported, ignoring.\n";
779		988
780	} else {	989	} else {
781	shift @arg;	990	shift @arg;
782	warn "attach argument '$type' not supported, ignoring.\n";	991	error "attach argument '$type' not supported, ignoring.\n";
783	}	992	}
784	}	993	}
785	}	994	}
786		995
787	sub _object_attach {	996	sub _object_attach {
…		…
797	_attach $registry, $klass, @attach;	1006	_attach $registry, $klass, @attach;
798	}	1007	}
799		1008
800	$obj->{$name} = \%arg;	1009	$obj->{$name} = \%arg;
801	} else {	1010	} else {
802	warn "object uses attachment '$name' which is not available, postponing.\n";	1011	info "object uses attachment '$name' which is not available, postponing.\n";
803	}	1012	}
804		1013
805	$obj->{_attachment}{$name} = undef;	1014	$obj->{_attachment}{$name} = undef;
806	}	1015	}
807		1016
…		…
847	";	1056	";
848	die if $@;	1057	die if $@;
849	}	1058	}
850		1059
851	our $override;	1060	our $override;
852	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1061	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
853		1062
854	sub override {	1063	sub override {
855	$override = 1;	1064	$override = 1;
856	@invoke_results = ();	1065	@INVOKE_RESULTS = (@_);
857	}	1066	}
858		1067
859	sub do_invoke {	1068	sub do_invoke {
860	my $event = shift;	1069	my $event = shift;
861	my $callbacks = shift;	1070	my $callbacks = shift;
862		1071
863	@invoke_results = ();	1072	@INVOKE_RESULTS = ();
864		1073
865	local $override;	1074	local $override;
866		1075
867	for (@$callbacks) {	1076	for (@$callbacks) {
868	eval { &{$_->[1]} };	1077	eval { &{$_->[1]} };
869		1078
870	if ($@) {	1079	if ($@) {
871	warn "$@";
872	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1080	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
873	override;	1081	override;
874	}	1082	}
875		1083
876	return 1 if $override;	1084	return 1 if $override;
877	}	1085	}
878		1086
879	0	1087	0
880	}	1088	}
881		1089
882	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
883		1091
884	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1092	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
885		1093
886	Generate an object-specific event with the given arguments.	1094	Generate an object-specific event with the given arguments.
887		1095
888	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1096	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
889	removed in future versions), and there is no public API to access override	1097	removed in future versions), and there is no public API to access override
890	results (if you must, access C<@cf::invoke_results> directly).	1098	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
891		1099
892	=back	1100	=back
893		1101
894	=cut	1102	=cut
895		1103
896	#############################################################################	1104	#############################################################################
897	# object support	1105	# object support
		1106
		1107	sub _object_equal($$);
		1108	sub _object_equal($$) {
		1109	my ($a, $b) = @_;
		1110
		1111	return 0 unless (ref $a) eq (ref $b);
		1112
		1113	if ("HASH" eq ref $a) {
		1114	my @ka = keys %$a;
		1115	my @kb = keys %$b;
		1116
		1117	return 0 if @ka != @kb;
		1118
		1119	for (0 .. $#ka) {
		1120	return 0 unless $ka[$_] eq $kb[$_];
		1121	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1122	}
		1123
		1124	} elsif ("ARRAY" eq ref $a) {
		1125
		1126	return 0 if @$a != @$b;
		1127
		1128	for (0 .. $#$a) {
		1129	return 0 unless _object_equal $a->[$_], $b->[$_];
		1130	}
		1131
		1132	} elsif ($a ne $b) {
		1133	return 0;
		1134	}
		1135
		1136	1
		1137	}
		1138
		1139	our $SLOW_MERGES;#d#
		1140	sub _can_merge {
		1141	my ($ob1, $ob2) = @_;
		1142
		1143	++$SLOW_MERGES;#d#
		1144
		1145	# we do the slow way here
		1146	return _object_equal $ob1, $ob2
		1147	}
898		1148
899	sub reattach {	1149	sub reattach {
900	# basically do the same as instantiate, without calling instantiate	1150	# basically do the same as instantiate, without calling instantiate
901	my ($obj) = @_;	1151	my ($obj) = @_;
902		1152
		1153	# no longer needed after getting rid of delete_package?
903	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1154	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
904		1155
905	my $registry = $obj->registry;	1156	my $registry = $obj->registry;
906		1157
907	@$registry = ();	1158	@$registry = ();
908		1159
…		…
913	for (@$attach) {	1164	for (@$attach) {
914	my ($klass, @attach) = @$_;	1165	my ($klass, @attach) = @$_;
915	_attach $registry, $klass, @attach;	1166	_attach $registry, $klass, @attach;
916	}	1167	}
917	} else {	1168	} else {
918	warn "object uses attachment '$name' that is not available, postponing.\n";	1169	info "object uses attachment '$name' that is not available, postponing.\n";
919	}	1170	}
920	}	1171	}
921	}	1172	}
922		1173
923	cf::attachable->attach (	1174	cf::attachable->attach (
924	prio => -1000000,	1175	prio => -1000000,
925	on_instantiate => sub {	1176	on_instantiate => sub {
926	my ($obj, $data) = @_;	1177	my ($obj, $data) = @_;
927		1178
928	$data = from_json $data;	1179	$data = decode_json $data;
929		1180
930	for (@$data) {	1181	for (@$data) {
931	my ($name, $args) = @$_;	1182	my ($name, $args) = @$_;
932		1183
933	$obj->attach ($name, %{$args || {} });	1184	$obj->attach ($name, %{$args || {} });
…		…
949	sub object_freezer_save {	1200	sub object_freezer_save {
950	my ($filename, $rdata, $objs) = @_;	1201	my ($filename, $rdata, $objs) = @_;
951		1202
952	sync_job {	1203	sync_job {
953	if (length $$rdata) {	1204	if (length $$rdata) {
		1205	utf8::decode (my $decname = $filename);
954	warn sprintf "saving %s (%d,%d)\n",	1206	trace sprintf "saving %s (%d,%d)\n",
955	$filename, length $$rdata, scalar @$objs;	1207	$decname, length $$rdata, scalar @$objs
		1208	if $VERBOSE_IO;
956		1209
957	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1210	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
958	chmod SAVE_MODE, $fh;	1211	aio_chmod $fh, SAVE_MODE;
959	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1212	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
960	aio_fsync $fh if $cf::USE_FSYNC;	1213	if ($cf::USE_FSYNC) {
		1214	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1215	aio_fsync $fh;
		1216	}
961	close $fh;	1217	aio_close $fh;
962		1218
963	if (@$objs) {	1219	if (@$objs) {
964	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1220	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
965	chmod SAVE_MODE, $fh;	1221	aio_chmod $fh, SAVE_MODE;
966	my $data = Storable::nfreeze { version => 1, objs => $objs };	1222	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
967	aio_write $fh, 0, (length $data), $data, 0;	1223	aio_write $fh, 0, (length $data), $data, 0;
968	aio_fsync $fh if $cf::USE_FSYNC;	1224	if ($cf::USE_FSYNC) {
		1225	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1226	aio_fsync $fh;
		1227	}
969	close $fh;	1228	aio_close $fh;
970	aio_rename "$filename.pst~", "$filename.pst";	1229	aio_rename "$filename.pst~", "$filename.pst";
971	}	1230	}
972	} else {	1231	} else {
973	aio_unlink "$filename.pst";	1232	aio_unlink "$filename.pst";
974	}	1233	}
975		1234
976	aio_rename "$filename~", $filename;	1235	aio_rename "$filename~", $filename;
		1236
		1237	$filename =~ s%/[^/]+$%%;
		1238	aio_pathsync $filename if $cf::USE_FSYNC;
977	} else {	1239	} else {
978	warn "FATAL: $filename~: $!\n";	1240	error "unable to save objects: $filename~: $!\n";
979	}	1241	}
980	} else {	1242	} else {
981	aio_unlink $filename;	1243	aio_unlink $filename;
982	aio_unlink "$filename.pst";	1244	aio_unlink "$filename.pst";
983	}	1245	}
984	}	1246	};
985	}	1247	}
986		1248
987	sub object_freezer_as_string {	1249	sub object_freezer_as_string {
988	my ($rdata, $objs) = @_;	1250	my ($rdata, $objs) = @_;
989		1251
…		…
1001	or return;	1263	or return;
1002		1264
1003	unless (aio_stat "$filename.pst") {	1265	unless (aio_stat "$filename.pst") {
1004	(aio_load "$filename.pst", $av) >= 0	1266	(aio_load "$filename.pst", $av) >= 0
1005	or return;	1267	or return;
		1268
1006	$av = eval { (Storable::thaw $av)->{objs} };	1269	my $st = eval { Coro::Storable::thaw $av };
		1270	$av = $st->{objs};
1007	}	1271	}
1008		1272
		1273	utf8::decode (my $decname = $filename);
1009	warn sprintf "loading %s (%d)\n",	1274	trace sprintf "loading %s (%d,%d)\n",
1010	$filename, length $data, scalar @{$av || []};	1275	$decname, length $data, scalar @{$av || []}
		1276	if $VERBOSE_IO;
		1277
1011	return ($data, $av);	1278	($data, $av)
1012	}	1279	}
1013		1280
1014	=head2 COMMAND CALLBACKS	1281	=head2 COMMAND CALLBACKS
1015		1282
1016	=over 4	1283	=over 4
…		…
1070	my ($name, $cb) = @_;	1337	my ($name, $cb) = @_;
1071		1338
1072	$EXTICMD{$name} = $cb;	1339	$EXTICMD{$name} = $cb;
1073	}	1340	}
1074		1341
		1342	use File::Glob ();
		1343
1075	cf::player->attach (	1344	cf::player->attach (
1076	on_command => sub {	1345	on_unknown_command => sub {
1077	my ($pl, $name, $params) = @_;	1346	my ($pl, $name, $params) = @_;
1078		1347
1079	my $cb = $COMMAND{$name}	1348	my $cb = $COMMAND{$name}
1080	or return;	1349	or return;
1081		1350
…		…
1089	my ($pl, $buf) = @_;	1358	my ($pl, $buf) = @_;
1090		1359
1091	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1360	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1092		1361
1093	if (ref $msg) {	1362	if (ref $msg) {
		1363	my ($type, $reply, @payload) =
		1364	"ARRAY" eq ref $msg
		1365	? @$msg
		1366	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1367
		1368	my @reply;
		1369
1094	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1370	if (my $cb = $EXTCMD{$type}) {
1095	if (my %reply = $cb->($pl, $msg)) {	1371	@reply = $cb->($pl, @payload);
1096	$pl->ext_reply ($msg->{msgid}, %reply);
1097	}
1098	}	1372	}
		1373
		1374	$pl->ext_reply ($reply, @reply)
		1375	if $reply;
		1376
1099	} else {	1377	} else {
1100	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1378	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1101	}	1379	}
1102		1380
1103	cf::override;	1381	cf::override;
1104	},	1382	},
1105	);	1383	);
1106		1384
		1385	# "readahead" all extensions
		1386	sub cache_extensions {
		1387	my $grp = IO::AIO::aio_group;
		1388
		1389	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1390	for (grep /\.ext$/, @{$_[0]}) {
		1391	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1392	}
		1393	};
		1394
		1395	$grp
		1396	}
		1397
1107	sub load_extensions {	1398	sub load_extensions {
		1399	info "loading extensions...";
		1400
1108	cf::sync_job {	1401	cf::sync_job {
1109	my %todo;	1402	my %todo;
1110		1403
1111	for my $path (<$LIBDIR/*.ext>) {	1404	for my $path (<$LIBDIR/*.ext>) {
1112	next unless -r $path;	1405	next unless -r $path;
…		…
1130		1423
1131	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1424	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1132	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1425	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1133		1426
1134	$ext{source} =	1427	$ext{source} =
1135	"package $pkg; use strict; use utf8;\n"	1428	"package $pkg; use common::sense;\n"
1136	. "#line 1 \"$path\"\n{\n"	1429	. "#line 1 \"$path\"\n{\n"
1137	. $source	1430	. $source
1138	. "\n};\n1";	1431	. "\n};\n1";
1139		1432
1140	$todo{$base} = \%ext;	1433	$todo{$base} = \%ext;
1141	}	1434	}
1142		1435
		1436	my $pass = 0;
1143	my %done;	1437	my %done;
1144	while (%todo) {	1438	while (%todo) {
1145	my $progress;	1439	my $progress;
1146		1440
		1441	++$pass;
		1442
		1443	ext:
1147	while (my ($k, $v) = each %todo) {	1444	while (my ($k, $v) = each %todo) {
1148	for (split /,\s*/, $v->{meta}{depends}) {	1445	for (split /,\s*/, $v->{meta}{depends}) {
1149	goto skip	1446	next ext
1150	unless exists $done{$_};	1447	unless exists $done{$_};
1151	}	1448	}
1152		1449
1153	warn "... loading '$k' into '$v->{pkg}'\n";	1450	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1154		1451
1155	unless (eval $v->{source}) {	1452	my $active = eval $v->{source};
		1453
		1454	if (length $@) {
1156	my $msg = $@ ? "$v->{path}: $@\n"	1455	error "$v->{path}: $@\n";
1157	: "$v->{base}: extension inactive.\n";	1456	undef $@; # work around perl 5.10.0 utf-8 caching bug
1158		1457
		1458	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1159	if (exists $v->{meta}{mandatory}) {	1459	if exists $v->{meta}{mandatory};
1160	warn $msg;	1460
1161	warn "mandatory extension failed to load, exiting.\n";	1461	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1162	exit 1;	1462	delete $todo{$k};
1163	}	1463	} else {
1164		1464	$done{$k} = delete $todo{$k};
1165	warn $msg;	1465	push @EXTS, $v->{pkg};
		1466	$progress = 1;
		1467
		1468	info "$v->{base}: extension inactive.\n"
		1469	unless $active;
1166	}	1470	}
1167
1168	$done{$k} = delete $todo{$k};
1169	push @EXTS, $v->{pkg};
1170	$progress = 1;
1171	}	1471	}
1172		1472
1173	skip:	1473	unless ($progress) {
1174	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1474	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1175	unless $progress;	1475
		1476	while (my ($k, $v) = each %todo) {
		1477	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1478	if exists $v->{meta}{mandatory};
		1479	}
		1480	}
1176	}	1481	}
1177	};	1482	};
1178	}	1483	}
1179		1484
1180	#############################################################################	1485	#############################################################################
1181		1486
1182	=back	1487	=back
1183		1488
1184	=head2 CORE EXTENSIONS	1489	=head2 CORE EXTENSIONS
1185		1490
1186	Functions and methods that extend core crossfire objects.	1491	Functions and methods that extend core deliantra objects.
1187		1492
1188	=cut	1493	=cut
1189		1494
1190	package cf::player;	1495	package cf::player;
1191		1496
1192	use Coro::AIO;	1497	use Coro::AIO;
1193		1498
1194	=head3 cf::player	1499	=head3 cf::player
1195		1500
1196	=over 4	1501	=over 4
		1502
		1503	=item cf::player::num_playing
		1504
		1505	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1506
		1507	=cut
		1508
		1509	sub num_playing {
		1510	scalar grep
		1511	$_->ob->map
		1512	&& !$_->hidden
		1513	&& !$_->ob->flag (cf::FLAG_WIZ),
		1514	cf::player::list
		1515	}
1197		1516
1198	=item cf::player::find $login	1517	=item cf::player::find $login
1199		1518
1200	Returns the given player object, loading it if necessary (might block).	1519	Returns the given player object, loading it if necessary (might block).
1201		1520
…		…
1220		1539
1221	sub exists($) {	1540	sub exists($) {
1222	my ($login) = @_;	1541	my ($login) = @_;
1223		1542
1224	$cf::PLAYER{$login}	1543	$cf::PLAYER{$login}
1225	or cf::sync_job { !aio_stat path $login }	1544	or !aio_stat path $login
1226	}	1545	}
1227		1546
1228	sub find($) {	1547	sub find($) {
1229	return $cf::PLAYER{$_[0]} || do {	1548	return $cf::PLAYER{$_[0]} || do {
1230	my $login = $_[0];	1549	my $login = $_[0];
…		…
1237	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1556	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1238	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1557	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1239	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1558	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1240	aio_unlink +(playerdir $login) . "/$login.pl";	1559	aio_unlink +(playerdir $login) . "/$login.pl";
1241		1560
1242	my $pl = load_pl path $login	1561	my $f = new_from_file cf::object::thawer path $login
1243	or return;	1562	or return;
		1563
		1564	my $pl = cf::player::load_pl $f
		1565	or return;
		1566
		1567	local $cf::PLAYER_LOADING{$login} = $pl;
		1568	$f->resolve_delayed_derefs;
1244	$cf::PLAYER{$login} = $pl	1569	$cf::PLAYER{$login} = $pl
1245	}	1570	}
1246	}	1571	}
1247	}	1572	}
		1573
		1574	cf::player->attach (
		1575	on_load => sub {
		1576	my ($pl, $path) = @_;
		1577
		1578	# restore slots saved in save, below
		1579	my $slots = delete $pl->{_slots};
		1580
		1581	$pl->ob->current_weapon ($slots->[0]);
		1582	$pl->combat_ob ($slots->[1]);
		1583	$pl->ranged_ob ($slots->[2]);
		1584	},
		1585	);
1248		1586
1249	sub save($) {	1587	sub save($) {
1250	my ($pl) = @_;	1588	my ($pl) = @_;
1251		1589
1252	return if $pl->{deny_save};	1590	return if $pl->{deny_save};
…		…
1257	return if $pl->{deny_save};	1595	return if $pl->{deny_save};
1258		1596
1259	aio_mkdir playerdir $pl, 0770;	1597	aio_mkdir playerdir $pl, 0770;
1260	$pl->{last_save} = $cf::RUNTIME;	1598	$pl->{last_save} = $cf::RUNTIME;
1261		1599
		1600	cf::get_slot 0.01;
		1601
		1602	# save slots, to be restored later
		1603	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1604
1262	$pl->save_pl ($path);	1605	$pl->save_pl ($path);
1263	Coro::cede;	1606	cf::cede_to_tick;
1264	}	1607	}
1265		1608
1266	sub new($) {	1609	sub new($) {
1267	my ($login) = @_;	1610	my ($login) = @_;
1268		1611
…		…
1274	$cf::PLAYER{$login} = $self;	1617	$cf::PLAYER{$login} = $self;
1275		1618
1276	$self	1619	$self
1277	}	1620	}
1278		1621
		1622	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1623
		1624	=cut
		1625
		1626	sub send_msg {
		1627	my $ns = shift->ns
		1628	or return;
		1629	$ns->send_msg (@_);
		1630	}
		1631
1279	=item $pl->quit_character	1632	=item $pl->quit_character
1280		1633
1281	Nukes the player without looking back. If logged in, the connection will	1634	Nukes the player without looking back. If logged in, the connection will
1282	be destroyed. May block for a long time.	1635	be destroyed. May block for a long time.
1283		1636
…		…
1287	my ($pl) = @_;	1640	my ($pl) = @_;
1288		1641
1289	my $name = $pl->ob->name;	1642	my $name = $pl->ob->name;
1290		1643
1291	$pl->{deny_save} = 1;	1644	$pl->{deny_save} = 1;
1292	$pl->password ("*"); # this should lock out the player until we nuked the dir	1645	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1293		1646
1294	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1647	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1295	$pl->deactivate;	1648	$pl->deactivate;
		1649	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1296	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1650	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1297	$pl->ns->destroy if $pl->ns;	1651	$pl->ns->destroy if $pl->ns;
1298		1652
1299	my $path = playerdir $pl;	1653	my $path = playerdir $pl;
1300	my $temp = "$path~$cf::RUNTIME~deleting~";	1654	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1336	or return [];	1690	or return [];
1337		1691
1338	my @logins;	1692	my @logins;
1339		1693
1340	for my $login (@$dirs) {	1694	for my $login (@$dirs) {
		1695	my $path = path $login;
		1696
		1697	# a .pst is a dead give-away for a valid player
		1698	# if no pst file found, open and chekc for blocked users
		1699	if (aio_stat "$path.pst") {
1341	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1700	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1342	aio_read $fh, 0, 512, my $buf, 0 or next;	1701	aio_read $fh, 0, 512, my $buf, 0 or next;
1343	$buf !~ /^password -------------$/m or next; # official not-valid tag	1702	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1703	}
1344		1704
1345	utf8::decode $login;	1705	utf8::decode $login;
1346	push @logins, $login;	1706	push @logins, $login;
1347	}	1707	}
1348		1708
1349	\@logins	1709	\@logins
1350	}	1710	}
1351		1711
1352	=item $player->maps	1712	=item $player->maps
		1713
		1714	=item cf::player::maps $login
1353		1715
1354	Returns an arrayref of map paths that are private for this	1716	Returns an arrayref of map paths that are private for this
1355	player. May block.	1717	player. May block.
1356		1718
1357	=cut	1719	=cut
…		…
1375	}	1737	}
1376		1738
1377	\@paths	1739	\@paths
1378	}	1740	}
1379		1741
1380	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1742	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1381		1743
1382	Expand crossfire pod fragments into protocol xml.	1744	Expand deliantra pod fragments into protocol xml.
1383		1745
1384	=cut
1385
1386	sub expand_cfpod {
1387	((my $self), (local $_)) = @_;
1388
1389	# escape & and <
1390	s/&/&amp;/g;
1391	s/(?<![BIUGH])</&lt;/g;
1392
1393	# this is buggy, it needs to properly take care of nested <'s
1394
1395	1 while
1396	# replace B<>, I<>, U<> etc.
1397	s/B<([^\>]*)>/<b>$1<\/b>/
1398	|| s/I<([^\>]*)>/<i>$1<\/i>/
1399	|| s/U<([^\>]*)>/<u>$1<\/u>/
1400	# replace G<male|female> tags
1401	|| s{G<([^>|]*)\|([^>]*)>}{
1402	$self->gender ? $2 : $1
1403	}ge
1404	# replace H<hint text>
1405	|| s{H<([^\>]*)>}
1406	{
1407	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1408	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1409	"")
1410	[$self->{hintmode}]
1411	}ge;
1412
1413	# create single paragraphs (very hackish)
1414	s/(?<=\S)\n(?=\w)/ /g;
1415
1416	# compress some whitespace
1417	1 while s/\s*\n\s*\n\s*/\n/;
1418
1419	s/^\s+//;
1420	s/\s+$//;
1421
1422	$_
1423	}
1424
1425	sub hintmode {
1426	$_[0]{hintmode} = $_[1] if @_ > 1;
1427	$_[0]{hintmode}
1428	}
1429
1430	=item $player->ext_reply ($msgid, %msg)	1746	=item $player->ext_reply ($msgid, @msg)
1431		1747
1432	Sends an ext reply to the player.	1748	Sends an ext reply to the player.
1433		1749
1434	=cut	1750	=cut
1435		1751
1436	sub ext_reply($$%) {	1752	sub ext_reply($$@) {
1437	my ($self, $id, %msg) = @_;	1753	my ($self, $id, @msg) = @_;
1438		1754
1439	$msg{msgid} = $id;	1755	$self->ns->ext_reply ($id, @msg)
1440	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1441	}	1756	}
1442		1757
1443	=item $player->ext_event ($type, %msg)	1758	=item $player->ext_msg ($type, @msg)
1444		1759
1445	Sends an ext event to the client.	1760	Sends an ext event to the client.
1446		1761
1447	=cut	1762	=cut
1448		1763
1449	sub ext_event($$%) {	1764	sub ext_msg($$@) {
1450	my ($self, $type, %msg) = @_;	1765	my ($self, $type, @msg) = @_;
1451		1766
1452	$self->ns->ext_event ($type, %msg);	1767	$self->ns->ext_msg ($type, @msg);
1453	}	1768	}
1454		1769
1455	=head3 cf::region	1770	=head3 cf::region
1456		1771
1457	=over 4	1772	=over 4
…		…
1467	=cut	1782	=cut
1468		1783
1469	sub find_by_path($) {	1784	sub find_by_path($) {
1470	my ($path) = @_;	1785	my ($path) = @_;
1471		1786
		1787	$path =~ s/^~[^\/]*//; # skip ~login
		1788
1472	my ($match, $specificity);	1789	my ($match, $specificity);
1473		1790
1474	for my $region (list) {	1791	for my $region (list) {
1475	if ($region->match && $path =~ $region->match) {	1792	if ($region->{match} && $path =~ $region->{match}) {
1476	($match, $specificity) = ($region, $region->specificity)	1793	($match, $specificity) = ($region, $region->specificity)
1477	if $region->specificity > $specificity;	1794	if $region->specificity > $specificity;
1478	}	1795	}
1479	}	1796	}
1480		1797
…		…
1501	our $MAX_RESET = 3600;	1818	our $MAX_RESET = 3600;
1502	our $DEFAULT_RESET = 3000;	1819	our $DEFAULT_RESET = 3000;
1503		1820
1504	sub generate_random_map {	1821	sub generate_random_map {
1505	my ($self, $rmp) = @_;	1822	my ($self, $rmp) = @_;
		1823
		1824	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1825
1506	# mit "rum" bekleckern, nicht	1826	# mit "rum" bekleckern, nicht
1507	$self->_create_random_map (	1827	$self->_create_random_map (
1508	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1828	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1509	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1829	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1510	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1830	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1511	$rmp->{exit_on_final_map},	1831	$rmp->{exit_on_final_map},
1512	$rmp->{xsize}, $rmp->{ysize},	1832	$rmp->{xsize}, $rmp->{ysize},
1513	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1833	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1514	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1834	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1536		1856
1537	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1857	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1538	}	1858	}
1539		1859
1540	# also paths starting with '/'	1860	# also paths starting with '/'
1541	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1861	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1542		1862
1543	sub thawer_merge {	1863	sub thawer_merge {
1544	my ($self, $merge) = @_;	1864	my ($self, $merge) = @_;
1545		1865
1546	# we have to keep some variables in memory intact	1866	# we have to keep some variables in memory intact
…		…
1600	$self->init; # pass $1 etc.	1920	$self->init; # pass $1 etc.
1601	return $self;	1921	return $self;
1602	}	1922	}
1603	}	1923	}
1604		1924
1605	Carp::carp "unable to resolve path '$path' (base '$base').";	1925	Carp::cluck "unable to resolve path '$path' (base '$base').";
1606	()	1926	()
1607	}	1927	}
1608		1928
1609	sub init {	1929	sub init {
1610	my ($self) = @_;	1930	my ($self) = @_;
…		…
1632		1952
1633	# the temporary/swap location	1953	# the temporary/swap location
1634	sub save_path {	1954	sub save_path {
1635	my ($self) = @_;	1955	my ($self) = @_;
1636		1956
1637	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1957	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1638	"$TMPDIR/$path.map"	1958	"$TMPDIR/$path.map"
1639	}	1959	}
1640		1960
1641	# the unique path, undef == no special unique path	1961	# the unique path, undef == no special unique path
1642	sub uniq_path {	1962	sub uniq_path {
1643	my ($self) = @_;	1963	my ($self) = @_;
1644		1964
1645	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1965	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1646	"$UNIQUEDIR/$path"	1966	"$UNIQUEDIR/$path"
1647	}
1648
1649	# and all this just because we cannot iterate over
1650	# all maps in C++...
1651	sub change_all_map_light {
1652	my ($change) = @_;
1653
1654	$_->change_map_light ($change)
1655	for grep $_->outdoor, values %cf::MAP;
1656	}	1967	}
1657		1968
1658	sub decay_objects {	1969	sub decay_objects {
1659	my ($self) = @_;	1970	my ($self) = @_;
1660		1971
…		…
1673		1984
1674	sub load_header_from($) {	1985	sub load_header_from($) {
1675	my ($self, $path) = @_;	1986	my ($self, $path) = @_;
1676		1987
1677	utf8::encode $path;	1988	utf8::encode $path;
1678	#aio_open $path, O_RDONLY, 0	1989	my $f = new_from_file cf::object::thawer $path
1679	# or return;
1680
1681	$self->_load_header ($path)
1682	or return;	1990	or return;
		1991
		1992	$self->_load_header ($f)
		1993	or return;
		1994
		1995	local $MAP_LOADING{$self->{path}} = $self;
		1996	$f->resolve_delayed_derefs;
1683		1997
1684	$self->{load_path} = $path;	1998	$self->{load_path} = $path;
1685		1999
1686	1	2000	1
1687	}	2001	}
…		…
1741	sub find {	2055	sub find {
1742	my ($path, $origin) = @_;	2056	my ($path, $origin) = @_;
1743		2057
1744	$path = normalise $path, $origin && $origin->path;	2058	$path = normalise $path, $origin && $origin->path;
1745		2059
		2060	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1746	cf::lock_wait "map_find:$path";	2061	my $guard2 = cf::lock_acquire "map_find:$path";
1747		2062
1748	$cf::MAP{$path} || do {	2063	$cf::MAP{$path} || do {
1749	my $guard = cf::lock_acquire "map_find:$path";
1750	my $map = new_from_path cf::map $path	2064	my $map = new_from_path cf::map $path
1751	or return;	2065	or return;
1752		2066
1753	$map->{last_save} = $cf::RUNTIME;	2067	$map->{last_save} = $cf::RUNTIME;
1754		2068
…		…
1756	or return;	2070	or return;
1757		2071
1758	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2072	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1759	# doing this can freeze the server in a sync job, obviously	2073	# doing this can freeze the server in a sync job, obviously
1760	#$cf::WAIT_FOR_TICK->wait;	2074	#$cf::WAIT_FOR_TICK->wait;
		2075	undef $guard2;
		2076	undef $guard1;
1761	$map->reset;	2077	$map->reset;
1762	undef $guard;
1763	return find $path;	2078	return find $path;
1764	}	2079	}
1765		2080
1766	$cf::MAP{$path} = $map	2081	$cf::MAP{$path} = $map
1767	}	2082	}
1768	}	2083	}
1769		2084
1770	sub pre_load { }	2085	sub pre_load { }
1771	sub post_load { }	2086	#sub post_load { } # XS
1772		2087
1773	sub load {	2088	sub load {
1774	my ($self) = @_;	2089	my ($self) = @_;
1775		2090
1776	local $self->{deny_reset} = 1; # loading can take a long time	2091	local $self->{deny_reset} = 1; # loading can take a long time
1777		2092
1778	my $path = $self->{path};	2093	my $path = $self->{path};
1779		2094
1780	{	2095	{
1781	my $guard = cf::lock_acquire "map_load:$path";	2096	my $guard = cf::lock_acquire "map_data:$path";
1782		2097
		2098	return unless $self->valid;
1783	return if $self->in_memory != cf::MAP_SWAPPED;	2099	return unless $self->in_memory == cf::MAP_SWAPPED;
1784		2100
1785	$self->in_memory (cf::MAP_LOADING);	2101	$self->in_memory (cf::MAP_LOADING);
1786		2102
1787	$self->alloc;	2103	$self->alloc;
1788		2104
1789	$self->pre_load;	2105	$self->pre_load;
1790	Coro::cede;	2106	cf::cede_to_tick;
1791		2107
		2108	my $f = new_from_file cf::object::thawer $self->{load_path};
		2109	$f->skip_block;
1792	$self->_load_objects ($self->{load_path}, 1)	2110	$self->_load_objects ($f)
1793	or return;	2111	or return;
1794		2112
1795	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2113	$self->post_load_original
1796	if delete $self->{load_original};	2114	if delete $self->{load_original};
1797		2115
1798	if (my $uniq = $self->uniq_path) {	2116	if (my $uniq = $self->uniq_path) {
1799	utf8::encode $uniq;	2117	utf8::encode $uniq;
1800	if (aio_open $uniq, O_RDONLY, 0) {	2118	unless (aio_stat $uniq) {
		2119	if (my $f = new_from_file cf::object::thawer $uniq) {
1801	$self->clear_unique_items;	2120	$self->clear_unique_items;
1802	$self->_load_objects ($uniq, 0);	2121	$self->_load_objects ($f);
		2122	$f->resolve_delayed_derefs;
		2123	}
1803	}	2124	}
1804	}	2125	}
1805		2126
1806	Coro::cede;	2127	$f->resolve_delayed_derefs;
		2128
		2129	cf::cede_to_tick;
1807	# now do the right thing for maps	2130	# now do the right thing for maps
1808	$self->link_multipart_objects;	2131	$self->link_multipart_objects;
1809	$self->difficulty ($self->estimate_difficulty)	2132	$self->difficulty ($self->estimate_difficulty)
1810	unless $self->difficulty;	2133	unless $self->difficulty;
1811	Coro::cede;	2134	cf::cede_to_tick;
1812		2135
1813	unless ($self->{deny_activate}) {	2136	unless ($self->{deny_activate}) {
1814	$self->decay_objects;	2137	$self->decay_objects;
1815	$self->fix_auto_apply;	2138	$self->fix_auto_apply;
1816	$self->update_buttons;	2139	$self->update_buttons;
1817	Coro::cede;	2140	cf::cede_to_tick;
1818	$self->set_darkness_map;
1819	Coro::cede;
1820	$self->activate;	2141	$self->activate;
1821	}	2142	}
1822		2143
		2144	$self->{last_save} = $cf::RUNTIME;
		2145	$self->last_access ($cf::RUNTIME);
		2146
1823	$self->in_memory (cf::MAP_IN_MEMORY);	2147	$self->in_memory (cf::MAP_ACTIVE);
1824	}	2148	}
1825		2149
1826	$self->post_load;	2150	$self->post_load;
1827	}	2151	}
1828		2152
		2153	# customize the map for a given player, i.e.
		2154	# return the _real_ map. used by e.g. per-player
		2155	# maps to change the path to ~playername/mappath
1829	sub customise_for {	2156	sub customise_for {
1830	my ($self, $ob) = @_;	2157	my ($self, $ob) = @_;
1831		2158
1832	return find "~" . $ob->name . "/" . $self->{path}	2159	return find "~" . $ob->name . "/" . $self->{path}
1833	if $self->per_player;	2160	if $self->per_player;
…		…
1837		2164
1838	$self	2165	$self
1839	}	2166	}
1840		2167
1841	# find and load all maps in the 3x3 area around a map	2168	# find and load all maps in the 3x3 area around a map
1842	sub load_diag {	2169	sub load_neighbours {
1843	my ($map) = @_;	2170	my ($map) = @_;
1844		2171
1845	my @diag; # diagonal neighbours	2172	my @neigh; # diagonal neighbours
1846		2173
1847	for (0 .. 3) {	2174	for (0 .. 3) {
1848	my $neigh = $map->tile_path ($_)	2175	my $neigh = $map->tile_path ($_)
1849	or next;	2176	or next;
1850	$neigh = find $neigh, $map	2177	$neigh = find $neigh, $map
1851	or next;	2178	or next;
1852	$neigh->load;	2179	$neigh->load;
1853		2180
		2181	# now find the diagonal neighbours
		2182	push @neigh,
1854	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2183	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1855	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2184	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1856	}	2185	}
1857		2186
1858	for (@diag) {	2187	for (grep defined $_->[0], @neigh) {
		2188	my ($path, $origin) = @$_;
1859	my $neigh = find @$_	2189	my $neigh = find $path, $origin
1860	or next;	2190	or next;
1861	$neigh->load;	2191	$neigh->load;
1862	}	2192	}
1863	}	2193	}
1864		2194
1865	sub find_sync {	2195	sub find_sync {
1866	my ($path, $origin) = @_;	2196	my ($path, $origin) = @_;
1867		2197
1868	cf::sync_job { find $path, $origin }	2198	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2199	if $Coro::current == $Coro::main;
		2200
		2201	find $path, $origin
1869	}	2202	}
1870		2203
1871	sub do_load_sync {	2204	sub do_load_sync {
1872	my ($map) = @_;	2205	my ($map) = @_;
1873		2206
1874	cf::sync_job { $map->load };	2207	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2208	if $Coro::current == $Coro::main;
		2209
		2210	$map->load;
1875	}	2211	}
1876		2212
1877	our %MAP_PREFETCH;	2213	our %MAP_PREFETCH;
1878	our $MAP_PREFETCHER = undef;	2214	our $MAP_PREFETCHER = undef;
1879		2215
1880	sub find_async {	2216	sub find_async {
1881	my ($path, $origin) = @_;	2217	my ($path, $origin, $load) = @_;
1882		2218
1883	$path = normalise $path, $origin && $origin->{path};	2219	$path = normalise $path, $origin && $origin->{path};
1884		2220
1885	if (my $map = $cf::MAP{$path}) {	2221	if (my $map = $cf::MAP{$path}) {
1886	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2222	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1887	}	2223	}
1888		2224
1889	undef $MAP_PREFETCH{$path};	2225	$MAP_PREFETCH{$path} |= $load;
		2226
1890	$MAP_PREFETCHER ||= cf::async {	2227	$MAP_PREFETCHER ||= cf::async {
		2228	$Coro::current->{desc} = "map prefetcher";
		2229
1891	while (%MAP_PREFETCH) {	2230	while (%MAP_PREFETCH) {
1892	for my $path (keys %MAP_PREFETCH) {	2231	while (my ($k, $v) = each %MAP_PREFETCH) {
1893	my $map = find $path	2232	if (my $map = find $k) {
1894	or next;
1895	$map->load;	2233	$map->load if $v;
		2234	}
1896		2235
1897	delete $MAP_PREFETCH{$path};	2236	delete $MAP_PREFETCH{$k};
1898	}	2237	}
1899	}	2238	}
1900	undef $MAP_PREFETCHER;	2239	undef $MAP_PREFETCHER;
1901	};	2240	};
1902	$MAP_PREFETCHER->prio (6);	2241	$MAP_PREFETCHER->prio (6);
1903		2242
1904	()	2243	()
1905	}	2244	}
1906		2245
		2246	# common code, used by both ->save and ->swapout
1907	sub save {	2247	sub _save {
1908	my ($self) = @_;	2248	my ($self) = @_;
1909
1910	my $lock = cf::lock_acquire "map_data:" . $self->path;
1911		2249
1912	$self->{last_save} = $cf::RUNTIME;	2250	$self->{last_save} = $cf::RUNTIME;
1913		2251
1914	return unless $self->dirty;	2252	return unless $self->dirty;
1915		2253
…		…
1921	return if $self->{deny_save};	2259	return if $self->{deny_save};
1922		2260
1923	local $self->{last_access} = $self->last_access;#d#	2261	local $self->{last_access} = $self->last_access;#d#
1924		2262
1925	cf::async {	2263	cf::async {
		2264	$Coro::current->{desc} = "map player save";
1926	$_->contr->save for $self->players;	2265	$_->contr->save for $self->players;
1927	};	2266	};
		2267
		2268	cf::get_slot 0.02;
1928		2269
1929	if ($uniq) {	2270	if ($uniq) {
1930	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2271	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1931	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2272	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1932	} else {	2273	} else {
1933	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2274	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1934	}	2275	}
1935	}	2276	}
1936		2277
		2278	sub save {
		2279	my ($self) = @_;
		2280
		2281	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2282
		2283	$self->_save;
		2284	}
		2285
1937	sub swap_out {	2286	sub swap_out {
1938	my ($self) = @_;	2287	my ($self) = @_;
1939		2288
1940	# save first because save cedes
1941	$self->save;
1942
1943	my $lock = cf::lock_acquire "map_data:" . $self->path;	2289	my $lock = cf::lock_acquire "map_data:$self->{path}";
1944		2290
		2291	return if $self->in_memory != cf::MAP_ACTIVE;
		2292	return if $self->{deny_save};
1945	return if $self->players;	2293	return if $self->players;
1946	return if $self->in_memory != cf::MAP_IN_MEMORY;
1947	return if $self->{deny_save};
1948		2294
		2295	# first deactivate the map and "unlink" it from the core
		2296	$self->deactivate;
		2297	$_->clear_links_to ($self) for values %cf::MAP;
		2298	$self->in_memory (cf::MAP_SWAPPED);
		2299
		2300	# then atomically save
		2301	$self->_save;
		2302
		2303	# then free the map
1949	$self->clear;	2304	$self->clear;
1950	$self->in_memory (cf::MAP_SWAPPED);
1951	}	2305	}
1952		2306
1953	sub reset_at {	2307	sub reset_at {
1954	my ($self) = @_;	2308	my ($self) = @_;
1955		2309
…		…
1973		2327
1974	my $lock = cf::lock_acquire "map_data:$self->{path}";	2328	my $lock = cf::lock_acquire "map_data:$self->{path}";
1975		2329
1976	return if $self->players;	2330	return if $self->players;
1977		2331
1978	warn "resetting map ", $self->path;	2332	cf::trace "resetting map ", $self->path, "\n";
1979		2333
1980	$self->in_memory (cf::MAP_SWAPPED);	2334	$self->in_memory (cf::MAP_SWAPPED);
1981		2335
1982	# need to save uniques path	2336	# need to save uniques path
1983	unless ($self->{deny_save}) {	2337	unless ($self->{deny_save}) {
…		…
1987	if $uniq;	2341	if $uniq;
1988	}	2342	}
1989		2343
1990	delete $cf::MAP{$self->path};	2344	delete $cf::MAP{$self->path};
1991		2345
		2346	$self->deactivate;
		2347	$_->clear_links_to ($self) for values %cf::MAP;
1992	$self->clear;	2348	$self->clear;
1993
1994	$_->clear_links_to ($self) for values %cf::MAP;
1995		2349
1996	$self->unlink_save;	2350	$self->unlink_save;
1997	$self->destroy;	2351	$self->destroy;
1998	}	2352	}
1999		2353
2000	my $nuke_counter = "aaaa";	2354	my $nuke_counter = "aaaa";
2001		2355
2002	sub nuke {	2356	sub nuke {
2003	my ($self) = @_;	2357	my ($self) = @_;
2004		2358
		2359	{
		2360	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2361
2005	delete $cf::MAP{$self->path};	2362	delete $cf::MAP{$self->path};
2006		2363
2007	$self->unlink_save;	2364	$self->unlink_save;
2008		2365
2009	bless $self, "cf::map";	2366	bless $self, "cf::map::wrap";
2010	delete $self->{deny_reset};	2367	delete $self->{deny_reset};
2011	$self->{deny_save} = 1;	2368	$self->{deny_save} = 1;
2012	$self->reset_timeout (1);	2369	$self->reset_timeout (1);
2013	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2370	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2014		2371
2015	$cf::MAP{$self->path} = $self;	2372	$cf::MAP{$self->path} = $self;
		2373	}
2016		2374
2017	$self->reset; # polite request, might not happen	2375	$self->reset; # polite request, might not happen
2018	}	2376	}
2019		2377
2020	=item $maps = cf::map::tmp_maps	2378	=item $maps = cf::map::tmp_maps
…		…
2062		2420
2063	sub unique_maps() {	2421	sub unique_maps() {
2064	[	2422	[
2065	map {	2423	map {
2066	utf8::decode $_;	2424	utf8::decode $_;
2067	/\.map$/	2425	s/\.map$//; # TODO future compatibility hack
		2426	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2427	? ()
2068	? normalise $_	2428	: normalise $_
2069	: ()
2070	} @{ aio_readdir $UNIQUEDIR or [] }	2429	} @{ aio_readdir $UNIQUEDIR or [] }
2071	]	2430	]
2072	}	2431	}
2073		2432
2074	package cf;	2433	=item cf::map::static_maps
		2434
		2435	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2436	file in the shared directory excluding F</styles> and F</editor>). May
		2437	block.
		2438
		2439	=cut
		2440
		2441	sub static_maps() {
		2442	my @dirs = "";
		2443	my @maps;
		2444
		2445	while (@dirs) {
		2446	my $dir = shift @dirs;
		2447
		2448	next if $dir eq "/styles" || $dir eq "/editor";
		2449
		2450	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2451	or return;
		2452
		2453	for (@$files) {
		2454	s/\.map$// or next;
		2455	utf8::decode $_;
		2456	push @maps, "$dir/$_";
		2457	}
		2458
		2459	push @dirs, map "$dir/$_", @$dirs;
		2460	}
		2461
		2462	\@maps
		2463	}
2075		2464
2076	=back	2465	=back
2077		2466
2078	=head3 cf::object	2467	=head3 cf::object
2079		2468
…		…
2083		2472
2084	=over 4	2473	=over 4
2085		2474
2086	=item $ob->inv_recursive	2475	=item $ob->inv_recursive
2087		2476
2088	Returns the inventory of the object _and_ their inventories, recursively.	2477	Returns the inventory of the object I<and> their inventories, recursively,
		2478	but I<not> the object itself.
2089		2479
2090	=cut	2480	=cut
2091		2481
2092	sub inv_recursive_;	2482	sub inv_recursive_;
2093	sub inv_recursive_ {	2483	sub inv_recursive_ {
…		…
2096		2486
2097	sub inv_recursive {	2487	sub inv_recursive {
2098	inv_recursive_ inv $_[0]	2488	inv_recursive_ inv $_[0]
2099	}	2489	}
2100		2490
		2491	=item $ref = $ob->ref
		2492
		2493	Creates and returns a persistent reference to an object that can be stored as a string.
		2494
		2495	=item $ob = cf::object::deref ($refstring)
		2496
		2497	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2498	even if the object actually exists. May block.
		2499
		2500	=cut
		2501
		2502	sub deref {
		2503	my ($ref) = @_;
		2504
		2505	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2506	my ($uuid, $name) = ($1, $2);
		2507	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2508	or return;
		2509	$pl->ob->uuid eq $uuid
		2510	or return;
		2511
		2512	$pl->ob
		2513	} else {
		2514	warn "$ref: cannot resolve object reference\n";
		2515	undef
		2516	}
		2517	}
		2518
2101	package cf;	2519	package cf;
2102		2520
2103	=back	2521	=back
2104		2522
2105	=head3 cf::object::player	2523	=head3 cf::object::player
…		…
2111	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2529	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2112	can be C<undef>. Does the right thing when the player is currently in a	2530	can be C<undef>. Does the right thing when the player is currently in a
2113	dialogue with the given NPC character.	2531	dialogue with the given NPC character.
2114		2532
2115	=cut	2533	=cut
		2534
		2535	our $SAY_CHANNEL = {
		2536	id => "say",
		2537	title => "Map",
		2538	reply => "say ",
		2539	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2540	};
		2541
		2542	our $CHAT_CHANNEL = {
		2543	id => "chat",
		2544	title => "Chat",
		2545	reply => "chat ",
		2546	tooltip => "Player chat and shouts, global to the server.",
		2547	};
2116		2548
2117	# rough implementation of a future "reply" method that works	2549	# rough implementation of a future "reply" method that works
2118	# with dialog boxes.	2550	# with dialog boxes.
2119	#TODO: the first argument must go, split into a $npc->reply_to ( method	2551	#TODO: the first argument must go, split into a $npc->reply_to ( method
2120	sub cf::object::player::reply($$$;$) {	2552	sub cf::object::player::reply($$$;$) {
…		…
2127		2559
2128	} else {	2560	} else {
2129	my $pl = $self->contr;	2561	my $pl = $self->contr;
2130		2562
2131	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2563	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2132	my $diag = $pl->{npc_dialog};	2564	my $dialog = $pl->{npc_dialog};
2133	$diag->{pl}->ext_reply (	2565	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2134	$diag->{id},
2135	msgtype => "reply",
2136	msg => $diag->{pl}->expand_cfpod ($msg),
2137	add_topics => []
2138	);
2139		2566
2140	} else {	2567	} else {
2141	$msg = $npc->name . " says: $msg" if $npc;	2568	$msg = $npc->name . " says: $msg" if $npc;
2142	$self->message ($msg, $flags);	2569	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2143	}	2570	}
2144	}	2571	}
		2572	}
		2573
		2574	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2575
		2576	=cut
		2577
		2578	sub cf::object::send_msg {
		2579	my $pl = shift->contr
		2580	or return;
		2581	$pl->send_msg (@_);
2145	}	2582	}
2146		2583
2147	=item $player_object->may ("access")	2584	=item $player_object->may ("access")
2148		2585
2149	Returns wether the given player is authorized to access resource "access"	2586	Returns wether the given player is authorized to access resource "access"
…		…
2162		2599
2163	=item $player_object->enter_link	2600	=item $player_object->enter_link
2164		2601
2165	Freezes the player and moves him/her to a special map (C<{link}>).	2602	Freezes the player and moves him/her to a special map (C<{link}>).
2166		2603
2167	The player should be reasonably safe there for short amounts of time. You	2604	The player should be reasonably safe there for short amounts of time (e.g.
2168	I<MUST> call C<leave_link> as soon as possible, though.	2605	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2606	though, as the player cannot control the character while it is on the link
		2607	map.
2169		2608
2170	Will never block.	2609	Will never block.
2171		2610
2172	=item $player_object->leave_link ($map, $x, $y)	2611	=item $player_object->leave_link ($map, $x, $y)
2173		2612
…		…
2193	sub cf::object::player::enter_link {	2632	sub cf::object::player::enter_link {
2194	my ($self) = @_;	2633	my ($self) = @_;
2195		2634
2196	$self->deactivate_recursive;	2635	$self->deactivate_recursive;
2197		2636
		2637	++$self->{_link_recursion};
		2638
2198	return if UNIVERSAL::isa $self->map, "ext::map_link";	2639	return if UNIVERSAL::isa $self->map, "ext::map_link";
2199		2640
2200	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2641	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2201	if $self->map && $self->map->{path} ne "{link}";	2642	if $self->map && $self->map->{path} ne "{link}";
2202		2643
2203	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2644	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2204	}	2645	}
2205		2646
2206	sub cf::object::player::leave_link {	2647	sub cf::object::player::leave_link {
2207	my ($self, $map, $x, $y) = @_;	2648	my ($self, $map, $x, $y) = @_;
2208		2649
…		…
2225	($x, $y) = (-1, -1)	2666	($x, $y) = (-1, -1)
2226	unless (defined $x) && (defined $y);	2667	unless (defined $x) && (defined $y);
2227		2668
2228	# use -1 or undef as default coordinates, not 0, 0	2669	# use -1 or undef as default coordinates, not 0, 0
2229	($x, $y) = ($map->enter_x, $map->enter_y)	2670	($x, $y) = ($map->enter_x, $map->enter_y)
2230	if $x <=0 && $y <= 0;	2671	if $x <= 0 && $y <= 0;
2231		2672
2232	$map->load;	2673	$map->load;
2233	$map->load_diag;	2674	$map->load_neighbours;
2234		2675
2235	return unless $self->contr->active;	2676	return unless $self->contr->active;
2236	$self->activate_recursive;
2237		2677
2238	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2678	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2239	$self->enter_map ($map, $x, $y);	2679	if ($self->enter_map ($map, $x, $y)) {
2240	}	2680	# entering was successful
		2681	delete $self->{_link_recursion};
		2682	# only activate afterwards, to support waiting in hooks
		2683	$self->activate_recursive;
		2684	}
2241		2685
		2686	}
		2687
2242	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2688	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2243		2689
2244	Moves the player to the given map-path and coordinates by first freezing	2690	Moves the player to the given map-path and coordinates by first freezing
2245	her, loading and preparing them map, calling the provided $check callback	2691	her, loading and preparing them map, calling the provided $check callback
2246	that has to return the map if sucecssful, and then unfreezes the player on	2692	that has to return the map if sucecssful, and then unfreezes the player on
2247	the new (success) or old (failed) map position.	2693	the new (success) or old (failed) map position. In either case, $done will
		2694	be called at the end of this process.
		2695
		2696	Note that $check will be called with a potentially non-loaded map, so if
		2697	it needs a loaded map it has to call C<< ->load >>.
2248		2698
2249	=cut	2699	=cut
2250		2700
2251	our $GOTOGEN;	2701	our $GOTOGEN;
2252		2702
2253	sub cf::object::player::goto {	2703	sub cf::object::player::goto {
2254	my ($self, $path, $x, $y, $check) = @_;	2704	my ($self, $path, $x, $y, $check, $done) = @_;
		2705
		2706	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2707	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2708	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2709	($path, $x, $y) = @$EMERGENCY_POSITION;
		2710	}
2255		2711
2256	# do generation counting so two concurrent goto's will be executed in-order	2712	# do generation counting so two concurrent goto's will be executed in-order
2257	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2713	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2258		2714
2259	$self->enter_link;	2715	$self->enter_link;
2260		2716
2261	(async {	2717	(async {
		2718	$Coro::current->{desc} = "player::goto $path $x $y";
		2719
		2720	# *tag paths override both path and x|y
		2721	if ($path =~ /^\*(.*)$/) {
		2722	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2723	my $ob = $obs[rand @obs];
		2724
		2725	# see if we actually can go there
		2726	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2727	$ob = $obs[rand @obs];
		2728	} else {
		2729	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2730	}
		2731	# else put us there anyways for now #d#
		2732
		2733	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2734	} else {
		2735	($path, $x, $y) = (undef, undef, undef);
		2736	}
		2737	}
		2738
2262	my $map = eval {	2739	my $map = eval {
2263	my $map = cf::map::find $path;	2740	my $map = defined $path ? cf::map::find $path : undef;
2264		2741
2265	if ($map) {	2742	if ($map) {
2266	$map = $map->customise_for ($self);	2743	$map = $map->customise_for ($self);
2267	$map = $check->($map) if $check && $map;	2744	$map = $check->($map, $x, $y, $self) if $check && $map;
2268	} else {	2745	} else {
2269	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2746	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2270	}	2747	}
2271		2748
2272	$map	2749	$map
2273	};	2750	};
2274		2751
…		…
2279		2756
2280	if ($gen == $self->{_goto_generation}) {	2757	if ($gen == $self->{_goto_generation}) {
2281	delete $self->{_goto_generation};	2758	delete $self->{_goto_generation};
2282	$self->leave_link ($map, $x, $y);	2759	$self->leave_link ($map, $x, $y);
2283	}	2760	}
		2761
		2762	$done->($self) if $done;
2284	})->prio (1);	2763	})->prio (1);
2285	}	2764	}
2286		2765
2287	=item $player_object->enter_exit ($exit_object)	2766	=item $player_object->enter_exit ($exit_object)
2288		2767
…		…
2308	}	2787	}
2309		2788
2310	sub prepare_random_map {	2789	sub prepare_random_map {
2311	my ($exit) = @_;	2790	my ($exit) = @_;
2312		2791
2313	my $guard = cf::lock_acquire "exit_prepare:$exit";
2314
2315	# all this does is basically replace the /! path by	2792	# all this does is basically replace the /! path by
2316	# a new random map path (?random/...) with a seed	2793	# a new random map path (?random/...) with a seed
2317	# that depends on the exit object	2794	# that depends on the exit object
2318		2795
2319	my $rmp = parse_random_map_params $exit->msg;	2796	my $rmp = parse_random_map_params $exit->msg;
…		…
2321	if ($exit->map) {	2798	if ($exit->map) {
2322	$rmp->{region} = $exit->region->name;	2799	$rmp->{region} = $exit->region->name;
2323	$rmp->{origin_map} = $exit->map->path;	2800	$rmp->{origin_map} = $exit->map->path;
2324	$rmp->{origin_x} = $exit->x;	2801	$rmp->{origin_x} = $exit->x;
2325	$rmp->{origin_y} = $exit->y;	2802	$rmp->{origin_y} = $exit->y;
		2803
		2804	$exit->map->touch;
2326	}	2805	}
2327		2806
2328	$rmp->{random_seed} ||= $exit->random_seed;	2807	$rmp->{random_seed} ||= $exit->random_seed;
2329		2808
2330	my $data = cf::to_json $rmp;	2809	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2331	my $md5 = Digest::MD5::md5_hex $data;	2810	my $md5 = Digest::MD5::md5_hex $data;
2332	my $meta = "$RANDOMDIR/$md5.meta";	2811	my $meta = "$RANDOMDIR/$md5.meta";
2333		2812
2334	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2813	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2335	aio_write $fh, 0, (length $data), $data, 0;	2814	aio_write $fh, 0, (length $data), $data, 0;
2336	undef $fh;	2815	undef $fh;
2337	aio_rename "$meta~", $meta;	2816	aio_rename "$meta~", $meta;
2338		2817
		2818	my $slaying = "?random/$md5";
		2819
		2820	if ($exit->valid) {
2339	$exit->slaying ("?random/$md5");	2821	$exit->slaying ("?random/$md5");
2340	$exit->msg (undef);	2822	$exit->msg (undef);
		2823	}
2341	}	2824	}
2342	}	2825	}
2343		2826
2344	sub cf::object::player::enter_exit {	2827	sub cf::object::player::enter_exit {
2345	my ($self, $exit) = @_;	2828	my ($self, $exit) = @_;
2346		2829
2347	return unless $self->type == cf::PLAYER;	2830	return unless $self->type == cf::PLAYER;
2348		2831
2349	if ($exit->slaying eq "/!") {
2350	#TODO: this should de-fi-ni-te-ly not be a sync-job
2351	# the problem is that $exit might not survive long enough
2352	# so it needs to be done right now, right here
2353	cf::sync_job { prepare_random_map $exit };
2354	}
2355
2356	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2357	my $hp = $exit->stats->hp;
2358	my $sp = $exit->stats->sp;
2359
2360	$self->enter_link;	2832	$self->enter_link;
2361		2833
2362	(async {	2834	(async {
2363	$self->deactivate_recursive; # just to be sure	2835	$Coro::current->{desc} = "enter_exit";
		2836
2364	unless (eval {	2837	unless (eval {
		2838	$self->deactivate_recursive; # just to be sure
		2839
		2840	# random map handling
		2841	{
		2842	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2843
		2844	prepare_random_map $exit
		2845	if $exit->slaying eq "/!";
		2846	}
		2847
		2848	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2849	my $x = $exit->stats->hp;
		2850	my $y = $exit->stats->sp;
		2851
2365	$self->goto ($slaying, $hp, $sp);	2852	$self->goto ($map, $x, $y);
2366		2853
		2854	# if exit is damned, update players death & WoR home-position
		2855	$self->contr->savebed ($map, $x, $y)
		2856	if $exit->flag (cf::FLAG_DAMNED);
		2857
2367	1;	2858	1
2368	}) {	2859	}) {
2369	$self->message ("Something went wrong deep within the crossfire server. "	2860	$self->message ("Something went wrong deep within the deliantra server. "
2370	. "I'll try to bring you back to the map you were before. "	2861	. "I'll try to bring you back to the map you were before. "
2371	. "Please report this to the dungeon master!",	2862	. "Please report this to the dungeon master!",
2372	cf::NDI_UNIQUE | cf::NDI_RED);	2863	cf::NDI_UNIQUE | cf::NDI_RED);
2373		2864
2374	warn "ERROR in enter_exit: $@";	2865	error "ERROR in enter_exit: $@";
2375	$self->leave_link;	2866	$self->leave_link;
2376	}	2867	}
2377	})->prio (1);	2868	})->prio (1);
2378	}	2869	}
2379		2870
…		…
2393		2884
2394	utf8::encode $text;	2885	utf8::encode $text;
2395	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2886	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2396	}	2887	}
2397		2888
		2889	=item $client->send_big_packet ($pkt)
		2890
		2891	Like C<send_packet>, but tries to compress large packets, and fragments
		2892	them as required.
		2893
		2894	=cut
		2895
		2896	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2897
		2898	sub cf::client::send_big_packet {
		2899	my ($self, $pkt) = @_;
		2900
		2901	# try lzf for large packets
		2902	$pkt = "lzf " . Compress::LZF::compress $pkt
		2903	if 1024 <= length $pkt and $self->{can_lzf};
		2904
		2905	# split very large packets
		2906	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2907	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2908	$pkt = "frag";
		2909	}
		2910
		2911	$self->send_packet ($pkt);
		2912	}
		2913
2398	=item $client->send_msg ($color, $type, $msg, [extra...])	2914	=item $client->send_msg ($channel, $msg, $color, [extra...])
2399		2915
2400	Send a drawinfo or msg packet to the client, formatting the msg for the	2916	Send a drawinfo or msg packet to the client, formatting the msg for the
2401	client if neccessary. C<$type> should be a string identifying the type of	2917	client if neccessary. C<$type> should be a string identifying the type of
2402	the message, with C<log> being the default. If C<$color> is negative, suppress	2918	the message, with C<log> being the default. If C<$color> is negative, suppress
2403	the message unless the client supports the msg packet.	2919	the message unless the client supports the msg packet.
2404		2920
2405	=cut	2921	=cut
2406		2922
		2923	# non-persistent channels (usually the info channel)
		2924	our %CHANNEL = (
		2925	"c/motd" => {
		2926	id => "infobox",
		2927	title => "MOTD",
		2928	reply => undef,
		2929	tooltip => "The message of the day",
		2930	},
		2931	"c/identify" => {
		2932	id => "infobox",
		2933	title => "Identify",
		2934	reply => undef,
		2935	tooltip => "Items recently identified",
		2936	},
		2937	"c/examine" => {
		2938	id => "infobox",
		2939	title => "Examine",
		2940	reply => undef,
		2941	tooltip => "Signs and other items you examined",
		2942	},
		2943	"c/shopinfo" => {
		2944	id => "infobox",
		2945	title => "Shop Info",
		2946	reply => undef,
		2947	tooltip => "What your bargaining skill tells you about the shop",
		2948	},
		2949	"c/book" => {
		2950	id => "infobox",
		2951	title => "Book",
		2952	reply => undef,
		2953	tooltip => "The contents of a note or book",
		2954	},
		2955	"c/lookat" => {
		2956	id => "infobox",
		2957	title => "Look",
		2958	reply => undef,
		2959	tooltip => "What you saw there",
		2960	},
		2961	"c/who" => {
		2962	id => "infobox",
		2963	title => "Players",
		2964	reply => undef,
		2965	tooltip => "Shows players who are currently online",
		2966	},
		2967	"c/body" => {
		2968	id => "infobox",
		2969	title => "Body Parts",
		2970	reply => undef,
		2971	tooltip => "Shows which body parts you posess and are available",
		2972	},
		2973	"c/statistics" => {
		2974	id => "infobox",
		2975	title => "Statistics",
		2976	reply => undef,
		2977	tooltip => "Shows your primary statistics",
		2978	},
		2979	"c/skills" => {
		2980	id => "infobox",
		2981	title => "Skills",
		2982	reply => undef,
		2983	tooltip => "Shows your experience per skill and item power",
		2984	},
		2985	"c/shopitems" => {
		2986	id => "infobox",
		2987	title => "Shop Items",
		2988	reply => undef,
		2989	tooltip => "Shows the items currently for sale in this shop",
		2990	},
		2991	"c/resistances" => {
		2992	id => "infobox",
		2993	title => "Resistances",
		2994	reply => undef,
		2995	tooltip => "Shows your resistances",
		2996	},
		2997	"c/pets" => {
		2998	id => "infobox",
		2999	title => "Pets",
		3000	reply => undef,
		3001	tooltip => "Shows information abotu your pets/a specific pet",
		3002	},
		3003	"c/perceiveself" => {
		3004	id => "infobox",
		3005	title => "Perceive Self",
		3006	reply => undef,
		3007	tooltip => "You gained detailed knowledge about yourself",
		3008	},
		3009	"c/uptime" => {
		3010	id => "infobox",
		3011	title => "Uptime",
		3012	reply => undef,
		3013	tooltip => "How long the server has been running since last restart",
		3014	},
		3015	"c/mapinfo" => {
		3016	id => "infobox",
		3017	title => "Map Info",
		3018	reply => undef,
		3019	tooltip => "Information related to the maps",
		3020	},
		3021	"c/party" => {
		3022	id => "party",
		3023	title => "Party",
		3024	reply => "gsay ",
		3025	tooltip => "Messages and chat related to your party",
		3026	},
		3027	"c/death" => {
		3028	id => "death",
		3029	title => "Death",
		3030	reply => undef,
		3031	tooltip => "Reason for and more info about your most recent death",
		3032	},
		3033	"c/say" => $SAY_CHANNEL,
		3034	"c/chat" => $CHAT_CHANNEL,
		3035	);
		3036
2407	sub cf::client::send_msg {	3037	sub cf::client::send_msg {
2408	my ($self, $color, $type, $msg, @extra) = @_;	3038	my ($self, $channel, $msg, $color, @extra) = @_;
2409		3039
2410	$msg = $self->pl->expand_cfpod ($msg);	3040	$msg = $self->pl->expand_cfpod ($msg)
		3041	unless $color & cf::NDI_VERBATIM;
2411		3042
2412	if ($self->can_msg) {	3043	$color &= cf::NDI_CLIENT_MASK; # just in case...
2413	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
2414	} else {
2415	# replace some tags by gcfclient-compatible ones
2416	for ($msg) {
2417	1 while
2418	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2419	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2420	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2421	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2422	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2423	}
2424		3044
2425	if ($color >= 0) {	3045	# check predefined channels, for the benefit of C
2426	if (0 && $msg =~ /\[/) {	3046	if ($CHANNEL{$channel}) {
2427	$self->send_packet ("drawextinfo $color 4 0 $msg")	3047	$channel = $CHANNEL{$channel};
2428	} else {	3048
2429	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	3049	$self->ext_msg (channel_info => $channel);
2430	$self->send_packet ("drawinfo $color $msg")	3050	$channel = $channel->{id};
		3051
		3052	} elsif (ref $channel) {
		3053	# send meta info to client, if not yet sent
		3054	unless (exists $self->{channel}{$channel->{id}}) {
		3055	$self->{channel}{$channel->{id}} = $channel;
		3056	$self->ext_msg (channel_info => $channel);
2431	}	3057	}
2432	}
2433	}
2434	}
2435		3058
		3059	$channel = $channel->{id};
		3060	}
		3061
		3062	return unless @extra || length $msg;
		3063
		3064	# default colour, mask it out
		3065	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3066	if $color & cf::NDI_DEF;
		3067
		3068	my $pkt = "msg "
		3069	. $self->{json_coder}->encode (
		3070	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3071	);
		3072
		3073	$self->send_big_packet ($pkt);
		3074	}
		3075
2436	=item $client->ext_event ($type, %msg)	3076	=item $client->ext_msg ($type, @msg)
2437		3077
2438	Sends an ext event to the client.	3078	Sends an ext event to the client.
2439		3079
2440	=cut	3080	=cut
2441		3081
2442	sub cf::client::ext_event($$%) {	3082	sub cf::client::ext_msg($$@) {
2443	my ($self, $type, %msg) = @_;	3083	my ($self, $type, @msg) = @_;
2444		3084
		3085	if ($self->extcmd == 2) {
		3086	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3087	} elsif ($self->extcmd == 1) { # TODO: remove
2445	$msg{msgtype} = "event_$type";	3088	push @msg, msgtype => "event_$type";
2446	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3089	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3090	}
		3091	}
		3092
		3093	=item $client->ext_reply ($msgid, @msg)
		3094
		3095	Sends an ext reply to the client.
		3096
		3097	=cut
		3098
		3099	sub cf::client::ext_reply($$@) {
		3100	my ($self, $id, @msg) = @_;
		3101
		3102	if ($self->extcmd == 2) {
		3103	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3104	} elsif ($self->extcmd == 1) {
		3105	#TODO: version 1, remove
		3106	unshift @msg, msgtype => "reply", msgid => $id;
		3107	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3108	}
2447	}	3109	}
2448		3110
2449	=item $success = $client->query ($flags, "text", \&cb)	3111	=item $success = $client->query ($flags, "text", \&cb)
2450		3112
2451	Queues a query to the client, calling the given callback with	3113	Queues a query to the client, calling the given callback with
…		…
2506	my ($ns, $buf) = @_;	3168	my ($ns, $buf) = @_;
2507		3169
2508	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3170	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2509		3171
2510	if (ref $msg) {	3172	if (ref $msg) {
		3173	my ($type, $reply, @payload) =
		3174	"ARRAY" eq ref $msg
		3175	? @$msg
		3176	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3177
		3178	my @reply;
		3179
2511	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3180	if (my $cb = $EXTICMD{$type}) {
2512	if (my %reply = $cb->($ns, $msg)) {	3181	@reply = $cb->($ns, @payload);
2513	$reply{msgid} = $msg->{msgid};
2514	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2515	}
2516	}	3182	}
		3183
		3184	$ns->ext_reply ($reply, @reply)
		3185	if $reply;
		3186
2517	} else {	3187	} else {
2518	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3188	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2519	}	3189	}
2520		3190
2521	cf::override;	3191	cf::override;
2522	},	3192	},
2523	);	3193	);
…		…
2543		3213
2544	$coro	3214	$coro
2545	}	3215	}
2546		3216
2547	cf::client->attach (	3217	cf::client->attach (
2548	on_destroy => sub {	3218	on_client_destroy => sub {
2549	my ($ns) = @_;	3219	my ($ns) = @_;
2550		3220
2551	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3221	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2552	},	3222	},
2553	);	3223	);
…		…
2568	our $safe = new Safe "safe";	3238	our $safe = new Safe "safe";
2569	our $safe_hole = new Safe::Hole;	3239	our $safe_hole = new Safe::Hole;
2570		3240
2571	$SIG{FPE} = 'IGNORE';	3241	$SIG{FPE} = 'IGNORE';
2572		3242
2573	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3243	$safe->permit_only (Opcode::opset qw(
		3244	:base_core :base_mem :base_orig :base_math :base_loop
		3245	grepstart grepwhile mapstart mapwhile
		3246	sort time
		3247	));
2574		3248
2575	# here we export the classes and methods available to script code	3249	# here we export the classes and methods available to script code
2576		3250
2577	=pod	3251	=pod
2578		3252
2579	The following functions and methods are available within a safe environment:	3253	The following functions and methods are available within a safe environment:
2580		3254
2581	cf::object contr pay_amount pay_player map	3255	cf::object
		3256	contr pay_amount pay_player map x y force_find force_add destroy
		3257	insert remove name archname title slaying race decrease split
		3258	value
		3259
2582	cf::object::player player	3260	cf::object::player
2583	cf::player peaceful	3261	player
2584	cf::map trigger	3262
		3263	cf::player
		3264	peaceful
		3265
		3266	cf::map
		3267	trigger
2585		3268
2586	=cut	3269	=cut
2587		3270
2588	for (	3271	for (
2589	["cf::object" => qw(contr pay_amount pay_player map)],	3272	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3273	insert remove inv nrof name archname title slaying race
		3274	decrease split destroy change_exp value msg lore send_msg)],
2590	["cf::object::player" => qw(player)],	3275	["cf::object::player" => qw(player)],
2591	["cf::player" => qw(peaceful)],	3276	["cf::player" => qw(peaceful send_msg)],
2592	["cf::map" => qw(trigger)],	3277	["cf::map" => qw(trigger)],
2593	) {	3278	) {
2594	no strict 'refs';	3279	no strict 'refs';
2595	my ($pkg, @funs) = @$_;	3280	my ($pkg, @funs) = @$_;
2596	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3281	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2614		3299
2615	my $qcode = $code;	3300	my $qcode = $code;
2616	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3301	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2617	$qcode =~ s/\n/\\n/g;	3302	$qcode =~ s/\n/\\n/g;
2618		3303
		3304	%vars = (_dummy => 0) unless %vars;
		3305
		3306	my @res;
2619	local $_;	3307	local $_;
2620	local @safe::cf::_safe_eval_args = values %vars;
2621		3308
2622	my $eval =	3309	my $eval =
2623	"do {\n"	3310	"do {\n"
2624	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3311	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2625	. "#line 0 \"{$qcode}\"\n"	3312	. "#line 0 \"{$qcode}\"\n"
2626	. $code	3313	. $code
2627	. "\n}"	3314	. "\n}"
2628	;	3315	;
2629		3316
		3317	if ($CFG{safe_eval}) {
2630	sub_generation_inc;	3318	sub_generation_inc;
		3319	local @safe::cf::_safe_eval_args = values %vars;
2631	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3320	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2632	sub_generation_inc;	3321	sub_generation_inc;
		3322	} else {
		3323	local @cf::_safe_eval_args = values %vars;
		3324	@res = wantarray ? eval eval : scalar eval $eval;
		3325	}
2633		3326
2634	if ($@) {	3327	if ($@) {
2635	warn "$@";	3328	warn "$@",
2636	warn "while executing safe code '$code'\n";	3329	"while executing safe code '$code'\n",
2637	warn "with arguments " . (join " ", %vars) . "\n";	3330	"with arguments " . (join " ", %vars) . "\n";
2638	}	3331	}
2639		3332
2640	wantarray ? @res : $res[0]	3333	wantarray ? @res : $res[0]
2641	}	3334	}
2642		3335
…		…
2656	=cut	3349	=cut
2657		3350
2658	sub register_script_function {	3351	sub register_script_function {
2659	my ($fun, $cb) = @_;	3352	my ($fun, $cb) = @_;
2660		3353
2661	no strict 'refs';	3354	$fun = "safe::$fun" if $CFG{safe_eval};
2662	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3355	*$fun = $safe_hole->wrap ($cb);
2663	}	3356	}
2664		3357
2665	=back	3358	=back
2666		3359
2667	=cut	3360	=cut
…		…
2670	# the server's init and main functions	3363	# the server's init and main functions
2671		3364
2672	sub load_facedata($) {	3365	sub load_facedata($) {
2673	my ($path) = @_;	3366	my ($path) = @_;
2674		3367
		3368	# HACK to clear player env face cache, we need some signal framework
		3369	# for this (global event?)
		3370	%ext::player_env::MUSIC_FACE_CACHE = ();
		3371
		3372	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3373
2675	warn "loading facedata from $path\n";	3374	trace "loading facedata from $path\n";
2676		3375
2677	my $facedata;	3376	my $facedata;
2678	0 < aio_load $path, $facedata	3377	0 < aio_load $path, $facedata
2679	or die "$path: $!";	3378	or die "$path: $!";
2680		3379
2681	$facedata = Coro::Storable::thaw $facedata;	3380	$facedata = Coro::Storable::thaw $facedata;
2682		3381
2683	$facedata->{version} == 2	3382	$facedata->{version} == 2
2684	or cf::cleanup "$path: version mismatch, cannot proceed.";	3383	or cf::cleanup "$path: version mismatch, cannot proceed.";
2685		3384
		3385	# patch in the exptable
		3386	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3387	$facedata->{resource}{"res/exp_table"} = {
		3388	type => FT_RSRC,
		3389	data => $exp_table,
		3390	hash => (Digest::MD5::md5 $exp_table),
		3391	};
		3392	cf::cede_to_tick;
		3393
2686	{	3394	{
2687	my $faces = $facedata->{faceinfo};	3395	my $faces = $facedata->{faceinfo};
2688		3396
2689	while (my ($face, $info) = each %$faces) {	3397	while (my ($face, $info) = each %$faces) {
2690	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3398	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3399
2691	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3400	cf::face::set_visibility $idx, $info->{visibility};
		3401	cf::face::set_magicmap $idx, $info->{magicmap};
2692	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3402	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2693	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3403	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2694	Coro::cede;	3404
		3405	cf::cede_to_tick;
2695	}	3406	}
2696		3407
2697	while (my ($face, $info) = each %$faces) {	3408	while (my ($face, $info) = each %$faces) {
2698	next unless $info->{smooth};	3409	next unless $info->{smooth};
		3410
2699	my $idx = cf::face::find $face	3411	my $idx = cf::face::find $face
2700	or next;	3412	or next;
		3413
2701	if (my $smooth = cf::face::find $info->{smooth}) {	3414	if (my $smooth = cf::face::find $info->{smooth}) {
		3415	cf::face::set_smooth $idx, $smooth;
2702	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3416	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2703	} else {	3417	} else {
2704	warn "smooth face '$info->{smooth}' not found for face '$face'";	3418	error "smooth face '$info->{smooth}' not found for face '$face'";
2705	}	3419	}
2706	Coro::cede;	3420
		3421	cf::cede_to_tick;
2707	}	3422	}
2708	}	3423	}
2709		3424
2710	{	3425	{
2711	my $anims = $facedata->{animinfo};	3426	my $anims = $facedata->{animinfo};
2712		3427
2713	while (my ($anim, $info) = each %$anims) {	3428	while (my ($anim, $info) = each %$anims) {
2714	cf::anim::set $anim, $info->{frames}, $info->{facings};	3429	cf::anim::set $anim, $info->{frames}, $info->{facings};
2715	Coro::cede;	3430	cf::cede_to_tick;
2716	}	3431	}
2717		3432
2718	cf::anim::invalidate_all; # d'oh	3433	cf::anim::invalidate_all; # d'oh
2719	}	3434	}
2720		3435
		3436	{
		3437	my $res = $facedata->{resource};
		3438
		3439	while (my ($name, $info) = each %$res) {
		3440	if (defined $info->{type}) {
		3441	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3442
		3443	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3444	cf::face::set_type $idx, $info->{type};
		3445	} else {
		3446	$RESOURCE{$name} = $info; # unused
		3447	}
		3448
		3449	cf::cede_to_tick;
		3450	}
		3451	}
		3452
		3453	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3454
2721	1	3455	1
2722	}	3456	}
2723		3457
		3458	register_exticmd fx_want => sub {
		3459	my ($ns, $want) = @_;
		3460
		3461	while (my ($k, $v) = each %$want) {
		3462	$ns->fx_want ($k, $v);
		3463	}
		3464	};
		3465
		3466	sub load_resource_file($) {
		3467	my $guard = lock_acquire "load_resource_file";
		3468
		3469	my $status = load_resource_file_ $_[0];
		3470	get_slot 0.1, 100;
		3471	cf::arch::commit_load;
		3472
		3473	$status
		3474	}
		3475
2724	sub reload_regions {	3476	sub reload_regions {
		3477	# HACK to clear player env face cache, we need some signal framework
		3478	# for this (global event?)
		3479	%ext::player_env::MUSIC_FACE_CACHE = ();
		3480
2725	load_resource_file "$MAPDIR/regions"	3481	load_resource_file "$MAPDIR/regions"
2726	or die "unable to load regions file\n";	3482	or die "unable to load regions file\n";
		3483
		3484	for (cf::region::list) {
		3485	$_->{match} = qr/$_->{match}/
		3486	if exists $_->{match};
		3487	}
2727	}	3488	}
2728		3489
2729	sub reload_facedata {	3490	sub reload_facedata {
2730	load_facedata "$DATADIR/facedata"	3491	load_facedata "$DATADIR/facedata"
2731	or die "unable to load facedata\n";	3492	or die "unable to load facedata\n";
2732	}	3493	}
2733		3494
2734	sub reload_archetypes {	3495	sub reload_archetypes {
2735	load_resource_file "$DATADIR/archetypes"	3496	load_resource_file "$DATADIR/archetypes"
2736	or die "unable to load archetypes\n";	3497	or die "unable to load archetypes\n";
2737	#d# NEED to laod twice to resolve forward references
2738	# this really needs to be done in an extra post-pass
2739	# (which needs to be synchronous, so solve it differently)
2740	load_resource_file "$DATADIR/archetypes"
2741	or die "unable to load archetypes\n";
2742	}	3498	}
2743		3499
2744	sub reload_treasures {	3500	sub reload_treasures {
2745	load_resource_file "$DATADIR/treasures"	3501	load_resource_file "$DATADIR/treasures"
2746	or die "unable to load treasurelists\n";	3502	or die "unable to load treasurelists\n";
2747	}	3503	}
2748		3504
		3505	sub reload_sound {
		3506	trace "loading sound config from $DATADIR/sound\n";
		3507
		3508	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3509	or die "$DATADIR/sound $!";
		3510
		3511	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3512
		3513	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3514	my $sound = $soundconf->{compat}[$_]
		3515	or next;
		3516
		3517	my $face = cf::face::find "sound/$sound->[1]";
		3518	cf::sound::set $sound->[0] => $face;
		3519	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3520	}
		3521
		3522	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3523	my $face = cf::face::find "sound/$v";
		3524	cf::sound::set $k => $face;
		3525	}
		3526	}
		3527
2749	sub reload_resources {	3528	sub reload_resources {
2750	warn "reloading resource files...\n";	3529	trace "reloading resource files...\n";
2751		3530
		3531	reload_facedata;
		3532	reload_sound;
		3533	reload_archetypes;
2752	reload_regions;	3534	reload_regions;
2753	reload_facedata;
2754	#reload_archetypes;#d#
2755	reload_archetypes;
2756	reload_treasures;	3535	reload_treasures;
2757		3536
2758	warn "finished reloading resource files\n";	3537	trace "finished reloading resource files\n";
2759	}	3538	}
2760		3539
2761	sub init {	3540	sub reload_config {
2762	reload_resources;	3541	trace "reloading config file...\n";
2763	}
2764		3542
2765	sub cfg_load {
2766	open my $fh, "<:utf8", "$CONFDIR/config"	3543	open my $fh, "<:utf8", "$CONFDIR/config"
2767	or return;	3544	or return;
2768		3545
2769	local $/;	3546	local $/;
2770	*CFG = YAML::Syck::Load <$fh>;	3547	*CFG = YAML::XS::Load scalar <$fh>;
2771		3548
2772	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3549	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2773		3550
2774	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3551	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2775	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3552	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2776		3553
2777	if (exists $CFG{mlockall}) {	3554	if (exists $CFG{mlockall}) {
…		…
2779	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3556	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2780	and die "WARNING: m(un)lockall failed: $!\n";	3557	and die "WARNING: m(un)lockall failed: $!\n";
2781	};	3558	};
2782	warn $@ if $@;	3559	warn $@ if $@;
2783	}	3560	}
		3561
		3562	trace "finished reloading resource files\n";
		3563	}
		3564
		3565	sub pidfile() {
		3566	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3567	or die "$PIDFILE: $!";
		3568	flock $fh, &Fcntl::LOCK_EX
		3569	or die "$PIDFILE: flock: $!";
		3570	$fh
		3571	}
		3572
		3573	# make sure only one server instance is running at any one time
		3574	sub atomic {
		3575	my $fh = pidfile;
		3576
		3577	my $pid = <$fh>;
		3578	kill 9, $pid if $pid > 0;
		3579
		3580	seek $fh, 0, 0;
		3581	print $fh $$;
		3582	}
		3583
		3584	sub main_loop {
		3585	trace "EV::loop starting\n";
		3586	if (1) {
		3587	EV::loop;
		3588	}
		3589	trace "EV::loop returned\n";
		3590	goto &main_loop unless $REALLY_UNLOOP;
2784	}	3591	}
2785		3592
2786	sub main {	3593	sub main {
		3594	cf::init_globals; # initialise logging
		3595
		3596	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3597	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3598	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3599	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3600
		3601	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3602
2787	# we must not ever block the main coroutine	3603	# we must not ever block the main coroutine
2788	local $Coro::idle = sub {	3604	local $Coro::idle = sub {
2789	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3605	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2790	(async {	3606	(async {
2791	Event::one_event;	3607	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3608	EV::loop EV::LOOP_ONESHOT;
2792	})->prio (Coro::PRIO_MAX);	3609	})->prio (Coro::PRIO_MAX);
2793	};	3610	};
2794		3611
2795	cfg_load;	3612	evthread_start IO::AIO::poll_fileno;
		3613
		3614	cf::sync_job {
		3615	cf::init_experience;
		3616	cf::init_anim;
		3617	cf::init_attackmess;
		3618	cf::init_dynamic;
		3619
		3620	cf::load_settings;
		3621	cf::load_materials;
		3622
		3623	reload_resources;
		3624	reload_config;
2796	db_init;	3625	db_init;
		3626
		3627	cf::init_uuid;
		3628	cf::init_signals;
		3629	cf::init_skills;
		3630
		3631	cf::init_beforeplay;
		3632
		3633	atomic;
		3634
2797	load_extensions;	3635	load_extensions;
2798		3636
2799	$TICK_WATCHER->start;	3637	utime time, time, $RUNTIMEFILE;
2800	Event::loop;	3638
		3639	# no (long-running) fork's whatsoever before this point(!)
		3640	use POSIX ();
		3641	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3642
		3643	(pop @POST_INIT)->(0) while @POST_INIT;
		3644	};
		3645
		3646	cf::object::thawer::errors_are_fatal 0;
		3647	info "parse errors in files are no longer fatal from this point on.\n";
		3648
		3649	main_loop;
2801	}	3650	}
2802		3651
2803	#############################################################################	3652	#############################################################################
2804	# initialisation and cleanup	3653	# initialisation and cleanup
2805		3654
2806	# install some emergency cleanup handlers	3655	# install some emergency cleanup handlers
2807	BEGIN {	3656	BEGIN {
		3657	our %SIGWATCHER = ();
2808	for my $signal (qw(INT HUP TERM)) {	3658	for my $signal (qw(INT HUP TERM)) {
2809	Event->signal (	3659	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2810	reentrant => 0,
2811	data => WF_AUTOCANCEL,
2812	signal => $signal,
2813	prio => 0,
2814	cb => sub {
2815	cf::cleanup "SIG$signal";	3660	cf::cleanup "SIG$signal";
2816	},
2817	);	3661	};
2818	}	3662	}
2819	}	3663	}
2820		3664
2821	sub write_runtime {	3665	sub write_runtime_sync {
2822	my $runtime = "$LOCALDIR/runtime";	3666	my $t0 = AE::time;
2823		3667
2824	# first touch the runtime file to show we are still running:	3668	# first touch the runtime file to show we are still running:
2825	# the fsync below can take a very very long time.	3669	# the fsync below can take a very very long time.
2826		3670
2827	IO::AIO::aio_utime $runtime, undef, undef;	3671	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2828		3672
2829	my $guard = cf::lock_acquire "write_runtime";	3673	my $guard = cf::lock_acquire "write_runtime";
2830		3674
2831	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3675	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2832	or return;	3676	or return;
2833		3677
2834	my $value = $cf::RUNTIME + 90 + 10;	3678	my $value = $cf::RUNTIME + 90 + 10;
2835	# 10 is the runtime save interval, for a monotonic clock	3679	# 10 is the runtime save interval, for a monotonic clock
2836	# 60 allows for the watchdog to kill the server.	3680	# 60 allows for the watchdog to kill the server.
…		…
2846	aio_utime $fh, undef, undef;	3690	aio_utime $fh, undef, undef;
2847		3691
2848	close $fh	3692	close $fh
2849	or return;	3693	or return;
2850		3694
2851	aio_rename "$runtime~", $runtime	3695	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2852	and return;	3696	and return;
2853		3697
2854	warn "runtime file written.\n";	3698	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2855		3699
2856	1	3700	1
		3701	}
		3702
		3703	our $uuid_lock;
		3704	our $uuid_skip;
		3705
		3706	sub write_uuid_sync($) {
		3707	$uuid_skip ||= $_[0];
		3708
		3709	return if $uuid_lock;
		3710	local $uuid_lock = 1;
		3711
		3712	my $uuid = "$LOCALDIR/uuid";
		3713
		3714	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3715	or return;
		3716
		3717	my $value = uuid_seq uuid_cur;
		3718
		3719	unless ($value) {
		3720	info "cowardly refusing to write zero uuid value!\n";
		3721	return;
		3722	}
		3723
		3724	my $value = uuid_str $value + $uuid_skip;
		3725	$uuid_skip = 0;
		3726
		3727	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3728	and return;
		3729
		3730	# always fsync - this file is important
		3731	aio_fsync $fh
		3732	and return;
		3733
		3734	close $fh
		3735	or return;
		3736
		3737	aio_rename "$uuid~", $uuid
		3738	and return;
		3739
		3740	trace "uuid file written ($value).\n";
		3741
		3742	1
		3743
		3744	}
		3745
		3746	sub write_uuid($$) {
		3747	my ($skip, $sync) = @_;
		3748
		3749	$sync ? write_uuid_sync $skip
		3750	: async { write_uuid_sync $skip };
2857	}	3751	}
2858		3752
2859	sub emergency_save() {	3753	sub emergency_save() {
2860	my $freeze_guard = cf::freeze_mainloop;	3754	my $freeze_guard = cf::freeze_mainloop;
2861		3755
2862	warn "enter emergency perl save\n";	3756	info "emergency_perl_save: enter\n";
		3757
		3758	# this is a trade-off: we want to be very quick here, so
		3759	# save all maps without fsync, and later call a global sync
		3760	# (which in turn might be very very slow)
		3761	local $USE_FSYNC = 0;
2863		3762
2864	cf::sync_job {	3763	cf::sync_job {
		3764	cf::write_runtime_sync; # external watchdog should not bark
		3765
2865	# use a peculiar iteration method to avoid tripping on perl	3766	# use a peculiar iteration method to avoid tripping on perl
2866	# refcount bugs in for. also avoids problems with players	3767	# refcount bugs in for. also avoids problems with players
2867	# and maps saved/destroyed asynchronously.	3768	# and maps saved/destroyed asynchronously.
2868	warn "begin emergency player save\n";	3769	info "emergency_perl_save: begin player save\n";
2869	for my $login (keys %cf::PLAYER) {	3770	for my $login (keys %cf::PLAYER) {
2870	my $pl = $cf::PLAYER{$login} or next;	3771	my $pl = $cf::PLAYER{$login} or next;
2871	$pl->valid or next;	3772	$pl->valid or next;
		3773	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2872	$pl->save;	3774	$pl->save;
2873	}	3775	}
2874	warn "end emergency player save\n";	3776	info "emergency_perl_save: end player save\n";
2875		3777
2876	warn "begin emergency map save\n";	3778	cf::write_runtime_sync; # external watchdog should not bark
		3779
		3780	info "emergency_perl_save: begin map save\n";
2877	for my $path (keys %cf::MAP) {	3781	for my $path (keys %cf::MAP) {
2878	my $map = $cf::MAP{$path} or next;	3782	my $map = $cf::MAP{$path} or next;
2879	$map->valid or next;	3783	$map->valid or next;
2880	$map->save;	3784	$map->save;
2881	}	3785	}
2882	warn "end emergency map save\n";	3786	info "emergency_perl_save: end map save\n";
2883		3787
2884	warn "begin emergency database checkpoint\n";	3788	cf::write_runtime_sync; # external watchdog should not bark
		3789
		3790	info "emergency_perl_save: begin database checkpoint\n";
2885	BDB::db_env_txn_checkpoint $DB_ENV;	3791	BDB::db_env_txn_checkpoint $DB_ENV;
2886	warn "end emergency database checkpoint\n";	3792	info "emergency_perl_save: end database checkpoint\n";
		3793
		3794	info "emergency_perl_save: begin write uuid\n";
		3795	write_uuid_sync 1;
		3796	info "emergency_perl_save: end write uuid\n";
		3797
		3798	cf::write_runtime_sync; # external watchdog should not bark
		3799
		3800	trace "emergency_perl_save: syncing database to disk";
		3801	BDB::db_env_txn_checkpoint $DB_ENV;
		3802
		3803	info "emergency_perl_save: starting sync\n";
		3804	IO::AIO::aio_sync sub {
		3805	info "emergency_perl_save: finished sync\n";
		3806	};
		3807
		3808	cf::write_runtime_sync; # external watchdog should not bark
		3809
		3810	trace "emergency_perl_save: flushing outstanding aio requests";
		3811	while (IO::AIO::nreqs || BDB::nreqs) {
		3812	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3813	}
		3814
		3815	cf::write_runtime_sync; # external watchdog should not bark
2887	};	3816	};
2888		3817
2889	warn "leave emergency perl save\n";	3818	info "emergency_perl_save: leave\n";
2890	}	3819	}
2891		3820
2892	sub post_cleanup {	3821	sub post_cleanup {
2893	my ($make_core) = @_;	3822	my ($make_core) = @_;
2894		3823
		3824	IO::AIO::flush;
		3825
2895	warn Carp::longmess "post_cleanup backtrace"	3826	error Carp::longmess "post_cleanup backtrace"
2896	if $make_core;	3827	if $make_core;
		3828
		3829	my $fh = pidfile;
		3830	unlink $PIDFILE if <$fh> == $$;
		3831	}
		3832
		3833	# a safer delete_package, copied from Symbol
		3834	sub clear_package($) {
		3835	my $pkg = shift;
		3836
		3837	# expand to full symbol table name if needed
		3838	unless ($pkg =~ /^main::.*::$/) {
		3839	$pkg = "main$pkg" if $pkg =~ /^::/;
		3840	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3841	$pkg .= '::' unless $pkg =~ /::$/;
		3842	}
		3843
		3844	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3845	my $stem_symtab = *{$stem}{HASH};
		3846
		3847	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3848	or return;
		3849
		3850	# clear all symbols
		3851	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3852	for my $name (keys %$leaf_symtab) {
		3853	_gv_clear *{"$pkg$name"};
		3854	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3855	}
2897	}	3856	}
2898		3857
2899	sub do_reload_perl() {	3858	sub do_reload_perl() {
2900	# can/must only be called in main	3859	# can/must only be called in main
2901	if ($Coro::current != $Coro::main) {	3860	if (in_main) {
2902	warn "can only reload from main coroutine";	3861	error "can only reload from main coroutine";
2903	return;	3862	return;
2904	}	3863	}
2905		3864
		3865	return if $RELOAD++;
		3866
		3867	my $t1 = AE::time;
		3868
		3869	while ($RELOAD) {
2906	warn "reloading...";	3870	info "reloading...";
2907		3871
2908	warn "entering sync_job";	3872	trace "entering sync_job";
2909		3873
2910	cf::sync_job {	3874	cf::sync_job {
2911	cf::write_runtime; # external watchdog should not bark
2912	cf::emergency_save;	3875	cf::emergency_save;
2913	cf::write_runtime; # external watchdog should not bark
2914		3876
2915	warn "syncing database to disk";
2916	BDB::db_env_txn_checkpoint $DB_ENV;
2917
2918	# if anything goes wrong in here, we should simply crash as we already saved
2919
2920	warn "cancelling all WF_AUTOCANCEL watchers";
2921	for (Event::all_watchers) {
2922	$_->cancel if $_->data & WF_AUTOCANCEL;
2923	}
2924
2925	warn "flushing outstanding aio requests";
2926	for (;;) {
2927	BDB::flush;
2928	IO::AIO::flush;
2929	Coro::cede;
2930	last unless IO::AIO::nreqs || BDB::nreqs;
2931	warn "iterate...";
2932	}
2933
2934	++$RELOAD;
2935
2936	warn "cancelling all extension coros";	3877	trace "cancelling all extension coros";
2937	$_->cancel for values %EXT_CORO;	3878	$_->cancel for values %EXT_CORO;
2938	%EXT_CORO = ();	3879	%EXT_CORO = ();
2939		3880
2940	warn "removing commands";	3881	trace "removing commands";
2941	%COMMAND = ();	3882	%COMMAND = ();
2942		3883
2943	warn "removing ext/exti commands";	3884	trace "removing ext/exti commands";
2944	%EXTCMD = ();	3885	%EXTCMD = ();
2945	%EXTICMD = ();	3886	%EXTICMD = ();
2946		3887
2947	warn "unloading/nuking all extensions";	3888	trace "unloading/nuking all extensions";
2948	for my $pkg (@EXTS) {	3889	for my $pkg (@EXTS) {
2949	warn "... unloading $pkg";	3890	trace "... unloading $pkg";
2950		3891
2951	if (my $cb = $pkg->can ("unload")) {	3892	if (my $cb = $pkg->can ("unload")) {
2952	eval {	3893	eval {
2953	$cb->($pkg);	3894	$cb->($pkg);
2954	1	3895	1
2955	} or warn "$pkg unloaded, but with errors: $@";	3896	} or error "$pkg unloaded, but with errors: $@";
		3897	}
		3898
		3899	trace "... clearing $pkg";
		3900	clear_package $pkg;
2956	}	3901	}
2957		3902
2958	warn "... nuking $pkg";
2959	Symbol::delete_package $pkg;
2960	}
2961
2962	warn "unloading all perl modules loaded from $LIBDIR";	3903	trace "unloading all perl modules loaded from $LIBDIR";
2963	while (my ($k, $v) = each %INC) {	3904	while (my ($k, $v) = each %INC) {
2964	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3905	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2965		3906
2966	warn "... unloading $k";	3907	trace "... unloading $k";
2967	delete $INC{$k};	3908	delete $INC{$k};
2968		3909
2969	$k =~ s/\.pm$//;	3910	$k =~ s/\.pm$//;
2970	$k =~ s/\//::/g;	3911	$k =~ s/\//::/g;
2971		3912
2972	if (my $cb = $k->can ("unload_module")) {	3913	if (my $cb = $k->can ("unload_module")) {
2973	$cb->();	3914	$cb->();
		3915	}
		3916
		3917	clear_package $k;
2974	}	3918	}
2975		3919
2976	Symbol::delete_package $k;
2977	}
2978
2979	warn "getting rid of safe::, as good as possible";	3920	trace "getting rid of safe::, as good as possible";
2980	Symbol::delete_package "safe::$_"	3921	clear_package "safe::$_"
2981	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3922	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2982		3923
2983	warn "unloading cf.pm \"a bit\"";	3924	trace "unloading cf.pm \"a bit\"";
2984	delete $INC{"cf.pm"};	3925	delete $INC{"cf.pm"};
2985	delete $INC{"cf/pod.pm"};	3926	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2986		3927
2987	# don't, removes xs symbols, too,	3928	# don't, removes xs symbols, too,
2988	# and global variables created in xs	3929	# and global variables created in xs
2989	#Symbol::delete_package __PACKAGE__;	3930	#clear_package __PACKAGE__;
2990		3931
2991	warn "unload completed, starting to reload now";	3932	info "unload completed, starting to reload now";
2992		3933
2993	warn "reloading cf.pm";	3934	trace "reloading cf.pm";
2994	require cf;	3935	require cf;
2995	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3936	cf::_connect_to_perl_1;
2996		3937
2997	warn "loading config and database again";	3938	trace "loading config and database again";
2998	cf::cfg_load;	3939	cf::reload_config;
2999		3940
3000	warn "loading extensions";	3941	trace "loading extensions";
3001	cf::load_extensions;	3942	cf::load_extensions;
3002		3943
		3944	if ($REATTACH_ON_RELOAD) {
3003	warn "reattaching attachments to objects/players";	3945	trace "reattaching attachments to objects/players";
3004	_global_reattach; # objects, sockets	3946	_global_reattach; # objects, sockets
3005	warn "reattaching attachments to maps";	3947	trace "reattaching attachments to maps";
3006	reattach $_ for values %MAP;	3948	reattach $_ for values %MAP;
3007	warn "reattaching attachments to players";	3949	trace "reattaching attachments to players";
3008	reattach $_ for values %PLAYER;	3950	reattach $_ for values %PLAYER;
		3951	}
3009		3952
		3953	trace "running post_init jobs";
		3954	(pop @POST_INIT)->(1) while @POST_INIT;
		3955
3010	warn "leaving sync_job";	3956	trace "leaving sync_job";
3011		3957
3012	1	3958	1
3013	} or do {	3959	} or do {
3014	warn $@;	3960	error $@;
3015	warn "error while reloading, exiting.";	3961	cf::cleanup "error while reloading, exiting.";
3016	exit 1;	3962	};
		3963
		3964	info "reloaded";
		3965	--$RELOAD;
3017	};	3966	}
3018		3967
3019	warn "reloaded";	3968	$t1 = AE::time - $t1;
		3969	info "reload completed in ${t1}s\n";
3020	};	3970	};
3021		3971
3022	our $RELOAD_WATCHER; # used only during reload	3972	our $RELOAD_WATCHER; # used only during reload
3023		3973
3024	sub reload_perl() {	3974	sub reload_perl() {
3025	# doing reload synchronously and two reloads happen back-to-back,	3975	# doing reload synchronously and two reloads happen back-to-back,
3026	# coro crashes during coro_state_free->destroy here.	3976	# coro crashes during coro_state_free->destroy here.
3027		3977
3028	$RELOAD_WATCHER ||= Event->timer (	3978	$RELOAD_WATCHER ||= cf::async {
3029	reentrant => 0,	3979	Coro::AIO::aio_wait cache_extensions;
3030	after => 0,	3980
3031	data => WF_AUTOCANCEL,	3981	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3032	cb => sub {
3033	do_reload_perl;	3982	do_reload_perl;
3034	undef $RELOAD_WATCHER;	3983	undef $RELOAD_WATCHER;
3035	},	3984	};
3036	);	3985	};
3037	}	3986	}
3038		3987
3039	register_command "reload" => sub {	3988	register_command "reload" => sub {
3040	my ($who, $arg) = @_;	3989	my ($who, $arg) = @_;
3041		3990
3042	if ($who->flag (FLAG_WIZ)) {	3991	if ($who->flag (FLAG_WIZ)) {
3043	$who->message ("reloading server.");	3992	$who->message ("reloading server.");
		3993	async {
		3994	$Coro::current->{desc} = "perl_reload";
3044	async { reload_perl };	3995	reload_perl;
		3996	};
3045	}	3997	}
3046	};	3998	};
3047		3999
3048	unshift @INC, $LIBDIR;	4000	unshift @INC, $LIBDIR;
3049		4001
…		…
3051		4003
3052	our @WAIT_FOR_TICK;	4004	our @WAIT_FOR_TICK;
3053	our @WAIT_FOR_TICK_BEGIN;	4005	our @WAIT_FOR_TICK_BEGIN;
3054		4006
3055	sub wait_for_tick {	4007	sub wait_for_tick {
3056	return unless $TICK_WATCHER->is_active;
3057	return if $Coro::current == $Coro::main;	4008	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3058		4009
3059	my $signal = new Coro::Signal;	4010	my $signal = new Coro::Signal;
3060	push @WAIT_FOR_TICK, $signal;	4011	push @WAIT_FOR_TICK, $signal;
3061	$signal->wait;	4012	$signal->wait;
3062	}	4013	}
3063		4014
3064	sub wait_for_tick_begin {	4015	sub wait_for_tick_begin {
3065	return unless $TICK_WATCHER->is_active;
3066	return if $Coro::current == $Coro::main;	4016	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3067		4017
3068	my $signal = new Coro::Signal;	4018	my $signal = new Coro::Signal;
3069	push @WAIT_FOR_TICK_BEGIN, $signal;	4019	push @WAIT_FOR_TICK_BEGIN, $signal;
3070	$signal->wait;	4020	$signal->wait;
3071	}	4021	}
3072		4022
3073	my $min = 1e6;#d#	4023	sub tick {
3074	my $avg = 10;
3075	$TICK_WATCHER = Event->timer (
3076	reentrant => 0,
3077	parked => 1,
3078	prio => 0,
3079	at => $NEXT_TICK || $TICK,
3080	data => WF_AUTOCANCEL,
3081	cb => sub {
3082	if ($Coro::current != $Coro::main) {	4024	if ($Coro::current != $Coro::main) {
3083	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4025	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3084	unless ++$bug_warning > 10;	4026	unless ++$bug_warning > 10;
3085	return;	4027	return;
3086	}	4028	}
3087		4029
3088	$NOW = $tick_start = Event::time;
3089
3090	cf::server_tick; # one server iteration	4030	cf::server_tick; # one server iteration
3091		4031
3092	0 && sync_job {#d#	4032	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3093	for(1..10) {
3094	my $t = Event::time;
3095	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3096	or die;
3097		4033
3098	$map->width (50);	4034	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3099	$map->height (50);	4035	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3100	$map->alloc;	4036	Coro::async_pool {
3101	$map->_load_objects ("/tmp/x.map", 1);	4037	$Coro::current->{desc} = "runtime saver";
3102	my $t = Event::time - $t;	4038	write_runtime_sync
3103		4039	or error "ERROR: unable to write runtime file: $!";
3104	#next unless $t < 0.0013;#d#
3105	if ($t < $min) {
3106	$min = $t;
3107	}
3108	$avg = $avg * 0.99 + $t * 0.01;
3109	}
3110	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3111	exit 0;
3112	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3113	};	4040	};
		4041	}
3114		4042
3115	$RUNTIME += $TICK;
3116	$NEXT_TICK += $TICK;
3117
3118	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3119	$NEXT_RUNTIME_WRITE = $NOW + 10;
3120	Coro::async_pool {
3121	write_runtime
3122	or warn "ERROR: unable to write runtime file: $!";
3123	};
3124	}
3125
3126	# my $AFTER = Event::time;
3127	# warn $AFTER - $NOW;#d#
3128
3129	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4043	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3130	$sig->send;	4044	$sig->send;
3131	}	4045	}
3132	while (my $sig = shift @WAIT_FOR_TICK) {	4046	while (my $sig = shift @WAIT_FOR_TICK) {
3133	$sig->send;	4047	$sig->send;
3134	}	4048	}
3135		4049
3136	$NOW = Event::time;	4050	$LOAD = ($NOW - $TICK_START) / $TICK;
3137
3138	# if we are delayed by four ticks or more, skip them all
3139	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3140
3141	$TICK_WATCHER->at ($NEXT_TICK);
3142	$TICK_WATCHER->start;
3143
3144	$LOAD = ($NOW - $tick_start) / $TICK;
3145	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4051	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3146		4052
3147	_post_tick;	4053	if (0) {
3148		4054	if ($NEXT_TICK) {
3149		4055	my $jitter = $TICK_START - $NEXT_TICK;
		4056	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4057	debug "jitter $JITTER\n";#d#
		4058	}
3150	},	4059	}
3151	);	4060	}
3152		4061
3153	{	4062	{
3154	BDB::max_poll_time $TICK * 0.1;	4063	# configure BDB
3155	$BDB_POLL_WATCHER = Event->io (	4064
3156	reentrant => 0,
3157	fd => BDB::poll_fileno,
3158	poll => 'r',
3159	prio => 0,
3160	data => WF_AUTOCANCEL,
3161	cb => \&BDB::poll_cb,
3162	);
3163	BDB::min_parallel 8;	4065	BDB::min_parallel 16;
3164		4066	BDB::max_poll_reqs $TICK * 0.1;
3165	BDB::set_sync_prepare {	4067	$AnyEvent::BDB::WATCHER->priority (1);
3166	my $status;
3167	my $current = $Coro::current;
3168	(
3169	sub {
3170	$status = $!;
3171	$current->ready; undef $current;
3172	},
3173	sub {
3174	Coro::schedule while defined $current;
3175	$! = $status;
3176	},
3177	)
3178	};
3179		4068
3180	unless ($DB_ENV) {	4069	unless ($DB_ENV) {
3181	$DB_ENV = BDB::db_env_create;	4070	$DB_ENV = BDB::db_env_create;
		4071	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4072	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4073	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4074	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4075	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3182		4076
3183	cf::sync_job {	4077	cf::sync_job {
3184	eval {	4078	eval {
3185	BDB::db_env_open	4079	BDB::db_env_open
3186	$DB_ENV,	4080	$DB_ENV,
…		…
3188	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4082	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3189	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4083	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3190	0666;	4084	0666;
3191		4085
3192	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4086	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3193
3194	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3195	$DB_ENV->set_lk_detect;
3196	};	4087	};
3197		4088
3198	cf::cleanup "db_env_open(db): $@" if $@;	4089	cf::cleanup "db_env_open(db): $@" if $@;
3199	};	4090	};
3200	}	4091	}
		4092
		4093	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4094	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4095	};
		4096	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4097	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4098	};
		4099	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4100	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4101	};
3201	}	4102	}
3202		4103
3203	{	4104	{
		4105	# configure IO::AIO
		4106
3204	IO::AIO::min_parallel 8;	4107	IO::AIO::min_parallel 8;
3205
3206	undef $Coro::AIO::WATCHER;
3207	IO::AIO::max_poll_time $TICK * 0.1;	4108	IO::AIO::max_poll_time $TICK * 0.1;
3208	$AIO_POLL_WATCHER = Event->io (	4109	undef $AnyEvent::AIO::WATCHER;
3209	reentrant => 0,
3210	data => WF_AUTOCANCEL,
3211	fd => IO::AIO::poll_fileno,
3212	poll => 'r',
3213	prio => 6,
3214	cb => \&IO::AIO::poll_cb,
3215	);
3216	}	4110	}
3217		4111
3218	my $_log_backtrace;	4112	my $_log_backtrace;
3219		4113
3220	sub _log_backtrace {	4114	sub _log_backtrace {
…		…
3223	$msg =~ s/\n//;	4117	$msg =~ s/\n//;
3224		4118
3225	# limit the # of concurrent backtraces	4119	# limit the # of concurrent backtraces
3226	if ($_log_backtrace < 2) {	4120	if ($_log_backtrace < 2) {
3227	++$_log_backtrace;	4121	++$_log_backtrace;
		4122	my $perl_bt = Carp::longmess $msg;
3228	async {	4123	async {
		4124	$Coro::current->{desc} = "abt $msg";
		4125
3229	my @bt = fork_call {	4126	my @bt = fork_call {
3230	@addr = map { sprintf "%x", $_ } @addr;	4127	@addr = map { sprintf "%x", $_ } @addr;
3231	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4128	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3232	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4129	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3233	or die "addr2line: $!";	4130	or die "addr2line: $!";
…		…
3241	}	4138	}
3242		4139
3243	@funcs	4140	@funcs
3244	};	4141	};
3245		4142
3246	LOG llevInfo, "[ABT] $msg\n";	4143	LOG llevInfo, "[ABT] $perl_bt\n";
		4144	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3247	LOG llevInfo, "[ABT] $_\n" for @bt;	4145	LOG llevInfo, "[ABT] $_\n" for @bt;
3248	--$_log_backtrace;	4146	--$_log_backtrace;
3249	};	4147	};
3250	} else {	4148	} else {
3251	LOG llevInfo, "[ABT] $msg\n";	4149	LOG llevInfo, "[ABT] $msg\n";
3252	LOG llevInfo, "[ABT] [suppressed]\n";	4150	LOG llevInfo, "[ABT] [suppressed]\n";
3253	}	4151	}
3254	}	4152	}
3255		4153
3256	# load additional modules	4154	# load additional modules
3257	use cf::pod;	4155	require "cf/$_.pm" for @EXTRA_MODULES;
		4156	cf::_connect_to_perl_2;
3258		4157
3259	END { cf::emergency_save }	4158	END { cf::emergency_save }
3260		4159
3261	1	4160	1
3262		4161

Diff Legend

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