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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.293 by root, Tue Jul 3 05:14:15 2007 UTC vs.
Revision 1.534 by root, Thu Apr 29 08:13:51 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 5.10.0; use strict 'vars', 'subs'; use utf8;\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";
1158		1456
		1457	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1159	if (exists $v->{meta}{mandatory}) {	1458	if exists $v->{meta}{mandatory};
1160	warn $msg;	1459
1161	warn "mandatory extension failed to load, exiting.\n";	1460	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1162	exit 1;	1461	delete $todo{$k};
1163	}	1462	} else {
1164		1463	$done{$k} = delete $todo{$k};
1165	warn $msg;	1464	push @EXTS, $v->{pkg};
		1465	$progress = 1;
		1466
		1467	info "$v->{base}: extension inactive.\n"
		1468	unless $active;
1166	}	1469	}
1167
1168	$done{$k} = delete $todo{$k};
1169	push @EXTS, $v->{pkg};
1170	$progress = 1;
1171	}	1470	}
1172		1471
1173	skip:	1472	unless ($progress) {
1174	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1473	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1175	unless $progress;	1474
		1475	while (my ($k, $v) = each %todo) {
		1476	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1477	if exists $v->{meta}{mandatory};
		1478	}
		1479	}
1176	}	1480	}
1177	};	1481	};
1178	}	1482	}
1179		1483
1180	#############################################################################	1484	#############################################################################
1181		1485
1182	=back	1486	=back
1183		1487
1184	=head2 CORE EXTENSIONS	1488	=head2 CORE EXTENSIONS
1185		1489
1186	Functions and methods that extend core crossfire objects.	1490	Functions and methods that extend core deliantra objects.
1187		1491
1188	=cut	1492	=cut
1189		1493
1190	package cf::player;	1494	package cf::player;
1191		1495
1192	use Coro::AIO;	1496	use Coro::AIO;
1193		1497
1194	=head3 cf::player	1498	=head3 cf::player
1195		1499
1196	=over 4	1500	=over 4
		1501
		1502	=item cf::player::num_playing
		1503
		1504	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1505
		1506	=cut
		1507
		1508	sub num_playing {
		1509	scalar grep
		1510	$_->ob->map
		1511	&& !$_->hidden
		1512	&& !$_->ob->flag (cf::FLAG_WIZ),
		1513	cf::player::list
		1514	}
1197		1515
1198	=item cf::player::find $login	1516	=item cf::player::find $login
1199		1517
1200	Returns the given player object, loading it if necessary (might block).	1518	Returns the given player object, loading it if necessary (might block).
1201		1519
…		…
1220		1538
1221	sub exists($) {	1539	sub exists($) {
1222	my ($login) = @_;	1540	my ($login) = @_;
1223		1541
1224	$cf::PLAYER{$login}	1542	$cf::PLAYER{$login}
1225	or cf::sync_job { !aio_stat path $login }	1543	or !aio_stat path $login
1226	}	1544	}
1227		1545
1228	sub find($) {	1546	sub find($) {
1229	return $cf::PLAYER{$_[0]} || do {	1547	return $cf::PLAYER{$_[0]} || do {
1230	my $login = $_[0];	1548	my $login = $_[0];
…		…
1237	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1555	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1238	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1556	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1239	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1557	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1240	aio_unlink +(playerdir $login) . "/$login.pl";	1558	aio_unlink +(playerdir $login) . "/$login.pl";
1241		1559
1242	my $pl = load_pl path $login	1560	my $f = new_from_file cf::object::thawer path $login
1243	or return;	1561	or return;
		1562
		1563	my $pl = cf::player::load_pl $f
		1564	or return;
		1565
		1566	local $cf::PLAYER_LOADING{$login} = $pl;
		1567	$f->resolve_delayed_derefs;
1244	$cf::PLAYER{$login} = $pl	1568	$cf::PLAYER{$login} = $pl
1245	}	1569	}
1246	}	1570	}
1247	}	1571	}
		1572
		1573	cf::player->attach (
		1574	on_load => sub {
		1575	my ($pl, $path) = @_;
		1576
		1577	# restore slots saved in save, below
		1578	my $slots = delete $pl->{_slots};
		1579
		1580	$pl->ob->current_weapon ($slots->[0]);
		1581	$pl->combat_ob ($slots->[1]);
		1582	$pl->ranged_ob ($slots->[2]);
		1583	},
		1584	);
1248		1585
1249	sub save($) {	1586	sub save($) {
1250	my ($pl) = @_;	1587	my ($pl) = @_;
1251		1588
1252	return if $pl->{deny_save};	1589	return if $pl->{deny_save};
…		…
1257	return if $pl->{deny_save};	1594	return if $pl->{deny_save};
1258		1595
1259	aio_mkdir playerdir $pl, 0770;	1596	aio_mkdir playerdir $pl, 0770;
1260	$pl->{last_save} = $cf::RUNTIME;	1597	$pl->{last_save} = $cf::RUNTIME;
1261		1598
		1599	cf::get_slot 0.01;
		1600
		1601	# save slots, to be restored later
		1602	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1603
1262	$pl->save_pl ($path);	1604	$pl->save_pl ($path);
1263	Coro::cede;	1605	cf::cede_to_tick;
1264	}	1606	}
1265		1607
1266	sub new($) {	1608	sub new($) {
1267	my ($login) = @_;	1609	my ($login) = @_;
1268		1610
…		…
1274	$cf::PLAYER{$login} = $self;	1616	$cf::PLAYER{$login} = $self;
1275		1617
1276	$self	1618	$self
1277	}	1619	}
1278		1620
		1621	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1622
		1623	=cut
		1624
		1625	sub send_msg {
		1626	my $ns = shift->ns
		1627	or return;
		1628	$ns->send_msg (@_);
		1629	}
		1630
1279	=item $pl->quit_character	1631	=item $pl->quit_character
1280		1632
1281	Nukes the player without looking back. If logged in, the connection will	1633	Nukes the player without looking back. If logged in, the connection will
1282	be destroyed. May block for a long time.	1634	be destroyed. May block for a long time.
1283		1635
…		…
1287	my ($pl) = @_;	1639	my ($pl) = @_;
1288		1640
1289	my $name = $pl->ob->name;	1641	my $name = $pl->ob->name;
1290		1642
1291	$pl->{deny_save} = 1;	1643	$pl->{deny_save} = 1;
1292	$pl->password ("*"); # this should lock out the player until we nuked the dir	1644	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1293		1645
1294	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1646	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1295	$pl->deactivate;	1647	$pl->deactivate;
		1648	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1296	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1649	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1297	$pl->ns->destroy if $pl->ns;	1650	$pl->ns->destroy if $pl->ns;
1298		1651
1299	my $path = playerdir $pl;	1652	my $path = playerdir $pl;
1300	my $temp = "$path~$cf::RUNTIME~deleting~";	1653	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1336	or return [];	1689	or return [];
1337		1690
1338	my @logins;	1691	my @logins;
1339		1692
1340	for my $login (@$dirs) {	1693	for my $login (@$dirs) {
		1694	my $path = path $login;
		1695
		1696	# a .pst is a dead give-away for a valid player
		1697	# if no pst file found, open and chekc for blocked users
		1698	if (aio_stat "$path.pst") {
1341	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1699	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1342	aio_read $fh, 0, 512, my $buf, 0 or next;	1700	aio_read $fh, 0, 512, my $buf, 0 or next;
1343	$buf !~ /^password -------------$/m or next; # official not-valid tag	1701	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1702	}
1344		1703
1345	utf8::decode $login;	1704	utf8::decode $login;
1346	push @logins, $login;	1705	push @logins, $login;
1347	}	1706	}
1348		1707
1349	\@logins	1708	\@logins
1350	}	1709	}
1351		1710
1352	=item $player->maps	1711	=item $player->maps
		1712
		1713	=item cf::player::maps $login
1353		1714
1354	Returns an arrayref of map paths that are private for this	1715	Returns an arrayref of map paths that are private for this
1355	player. May block.	1716	player. May block.
1356		1717
1357	=cut	1718	=cut
…		…
1375	}	1736	}
1376		1737
1377	\@paths	1738	\@paths
1378	}	1739	}
1379		1740
1380	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1741	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1381		1742
1382	Expand crossfire pod fragments into protocol xml.	1743	Expand deliantra pod fragments into protocol xml.
1383		1744
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)	1745	=item $player->ext_reply ($msgid, @msg)
1431		1746
1432	Sends an ext reply to the player.	1747	Sends an ext reply to the player.
1433		1748
1434	=cut	1749	=cut
1435		1750
1436	sub ext_reply($$%) {	1751	sub ext_reply($$@) {
1437	my ($self, $id, %msg) = @_;	1752	my ($self, $id, @msg) = @_;
1438		1753
1439	$msg{msgid} = $id;	1754	$self->ns->ext_reply ($id, @msg)
1440	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1441	}	1755	}
1442		1756
1443	=item $player->ext_event ($type, %msg)	1757	=item $player->ext_msg ($type, @msg)
1444		1758
1445	Sends an ext event to the client.	1759	Sends an ext event to the client.
1446		1760
1447	=cut	1761	=cut
1448		1762
1449	sub ext_event($$%) {	1763	sub ext_msg($$@) {
1450	my ($self, $type, %msg) = @_;	1764	my ($self, $type, @msg) = @_;
1451		1765
1452	$self->ns->ext_event ($type, %msg);	1766	$self->ns->ext_msg ($type, @msg);
1453	}	1767	}
1454		1768
1455	=head3 cf::region	1769	=head3 cf::region
1456		1770
1457	=over 4	1771	=over 4
…		…
1467	=cut	1781	=cut
1468		1782
1469	sub find_by_path($) {	1783	sub find_by_path($) {
1470	my ($path) = @_;	1784	my ($path) = @_;
1471		1785
		1786	$path =~ s/^~[^\/]*//; # skip ~login
		1787
1472	my ($match, $specificity);	1788	my ($match, $specificity);
1473		1789
1474	for my $region (list) {	1790	for my $region (list) {
1475	if ($region->match && $path =~ $region->match) {	1791	if ($region->{match} && $path =~ $region->{match}) {
1476	($match, $specificity) = ($region, $region->specificity)	1792	($match, $specificity) = ($region, $region->specificity)
1477	if $region->specificity > $specificity;	1793	if $region->specificity > $specificity;
1478	}	1794	}
1479	}	1795	}
1480		1796
…		…
1501	our $MAX_RESET = 3600;	1817	our $MAX_RESET = 3600;
1502	our $DEFAULT_RESET = 3000;	1818	our $DEFAULT_RESET = 3000;
1503		1819
1504	sub generate_random_map {	1820	sub generate_random_map {
1505	my ($self, $rmp) = @_;	1821	my ($self, $rmp) = @_;
		1822
		1823	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1824
1506	# mit "rum" bekleckern, nicht	1825	# mit "rum" bekleckern, nicht
1507	$self->_create_random_map (	1826	$self->_create_random_map (
1508	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1827	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1509	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1828	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1510	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1829	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1511	$rmp->{exit_on_final_map},	1830	$rmp->{exit_on_final_map},
1512	$rmp->{xsize}, $rmp->{ysize},	1831	$rmp->{xsize}, $rmp->{ysize},
1513	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1832	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1514	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1833	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1536		1855
1537	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1856	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1538	}	1857	}
1539		1858
1540	# also paths starting with '/'	1859	# also paths starting with '/'
1541	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1860	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1542		1861
1543	sub thawer_merge {	1862	sub thawer_merge {
1544	my ($self, $merge) = @_;	1863	my ($self, $merge) = @_;
1545		1864
1546	# we have to keep some variables in memory intact	1865	# we have to keep some variables in memory intact
…		…
1600	$self->init; # pass $1 etc.	1919	$self->init; # pass $1 etc.
1601	return $self;	1920	return $self;
1602	}	1921	}
1603	}	1922	}
1604		1923
1605	Carp::carp "unable to resolve path '$path' (base '$base').";	1924	Carp::cluck "unable to resolve path '$path' (base '$base').";
1606	()	1925	()
1607	}	1926	}
1608		1927
1609	sub init {	1928	sub init {
1610	my ($self) = @_;	1929	my ($self) = @_;
…		…
1632		1951
1633	# the temporary/swap location	1952	# the temporary/swap location
1634	sub save_path {	1953	sub save_path {
1635	my ($self) = @_;	1954	my ($self) = @_;
1636		1955
1637	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1956	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1638	"$TMPDIR/$path.map"	1957	"$TMPDIR/$path.map"
1639	}	1958	}
1640		1959
1641	# the unique path, undef == no special unique path	1960	# the unique path, undef == no special unique path
1642	sub uniq_path {	1961	sub uniq_path {
1643	my ($self) = @_;	1962	my ($self) = @_;
1644		1963
1645	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1964	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1646	"$UNIQUEDIR/$path"	1965	"$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	}	1966	}
1657		1967
1658	sub decay_objects {	1968	sub decay_objects {
1659	my ($self) = @_;	1969	my ($self) = @_;
1660		1970
…		…
1673		1983
1674	sub load_header_from($) {	1984	sub load_header_from($) {
1675	my ($self, $path) = @_;	1985	my ($self, $path) = @_;
1676		1986
1677	utf8::encode $path;	1987	utf8::encode $path;
1678	#aio_open $path, O_RDONLY, 0	1988	my $f = new_from_file cf::object::thawer $path
1679	# or return;
1680
1681	$self->_load_header ($path)
1682	or return;	1989	or return;
		1990
		1991	$self->_load_header ($f)
		1992	or return;
		1993
		1994	local $MAP_LOADING{$self->{path}} = $self;
		1995	$f->resolve_delayed_derefs;
1683		1996
1684	$self->{load_path} = $path;	1997	$self->{load_path} = $path;
1685		1998
1686	1	1999	1
1687	}	2000	}
…		…
1741	sub find {	2054	sub find {
1742	my ($path, $origin) = @_;	2055	my ($path, $origin) = @_;
1743		2056
1744	$path = normalise $path, $origin && $origin->path;	2057	$path = normalise $path, $origin && $origin->path;
1745		2058
		2059	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1746	cf::lock_wait "map_find:$path";	2060	my $guard2 = cf::lock_acquire "map_find:$path";
1747		2061
1748	$cf::MAP{$path} || do {	2062	$cf::MAP{$path} || do {
1749	my $guard = cf::lock_acquire "map_find:$path";
1750	my $map = new_from_path cf::map $path	2063	my $map = new_from_path cf::map $path
1751	or return;	2064	or return;
1752		2065
1753	$map->{last_save} = $cf::RUNTIME;	2066	$map->{last_save} = $cf::RUNTIME;
1754		2067
…		…
1756	or return;	2069	or return;
1757		2070
1758	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2071	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1759	# doing this can freeze the server in a sync job, obviously	2072	# doing this can freeze the server in a sync job, obviously
1760	#$cf::WAIT_FOR_TICK->wait;	2073	#$cf::WAIT_FOR_TICK->wait;
		2074	undef $guard2;
		2075	undef $guard1;
1761	$map->reset;	2076	$map->reset;
1762	undef $guard;
1763	return find $path;	2077	return find $path;
1764	}	2078	}
1765		2079
1766	$cf::MAP{$path} = $map	2080	$cf::MAP{$path} = $map
1767	}	2081	}
1768	}	2082	}
1769		2083
1770	sub pre_load { }	2084	sub pre_load { }
1771	sub post_load { }	2085	#sub post_load { } # XS
1772		2086
1773	sub load {	2087	sub load {
1774	my ($self) = @_;	2088	my ($self) = @_;
1775		2089
1776	local $self->{deny_reset} = 1; # loading can take a long time	2090	local $self->{deny_reset} = 1; # loading can take a long time
1777		2091
1778	my $path = $self->{path};	2092	my $path = $self->{path};
1779		2093
1780	{	2094	{
1781	my $guard = cf::lock_acquire "map_load:$path";	2095	my $guard = cf::lock_acquire "map_data:$path";
1782		2096
		2097	return unless $self->valid;
1783	return if $self->in_memory != cf::MAP_SWAPPED;	2098	return unless $self->in_memory == cf::MAP_SWAPPED;
1784		2099
1785	$self->in_memory (cf::MAP_LOADING);	2100	$self->in_memory (cf::MAP_LOADING);
1786		2101
1787	$self->alloc;	2102	$self->alloc;
1788		2103
1789	$self->pre_load;	2104	$self->pre_load;
1790	Coro::cede;	2105	cf::cede_to_tick;
1791		2106
		2107	my $f = new_from_file cf::object::thawer $self->{load_path};
		2108	$f->skip_block;
1792	$self->_load_objects ($self->{load_path}, 1)	2109	$self->_load_objects ($f)
1793	or return;	2110	or return;
1794		2111
1795	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2112	$self->post_load_original
1796	if delete $self->{load_original};	2113	if delete $self->{load_original};
1797		2114
1798	if (my $uniq = $self->uniq_path) {	2115	if (my $uniq = $self->uniq_path) {
1799	utf8::encode $uniq;	2116	utf8::encode $uniq;
1800	if (aio_open $uniq, O_RDONLY, 0) {	2117	unless (aio_stat $uniq) {
		2118	if (my $f = new_from_file cf::object::thawer $uniq) {
1801	$self->clear_unique_items;	2119	$self->clear_unique_items;
1802	$self->_load_objects ($uniq, 0);	2120	$self->_load_objects ($f);
		2121	$f->resolve_delayed_derefs;
		2122	}
1803	}	2123	}
1804	}	2124	}
1805		2125
1806	Coro::cede;	2126	$f->resolve_delayed_derefs;
		2127
		2128	cf::cede_to_tick;
1807	# now do the right thing for maps	2129	# now do the right thing for maps
1808	$self->link_multipart_objects;	2130	$self->link_multipart_objects;
1809	$self->difficulty ($self->estimate_difficulty)	2131	$self->difficulty ($self->estimate_difficulty)
1810	unless $self->difficulty;	2132	unless $self->difficulty;
1811	Coro::cede;	2133	cf::cede_to_tick;
1812		2134
1813	unless ($self->{deny_activate}) {	2135	unless ($self->{deny_activate}) {
1814	$self->decay_objects;	2136	$self->decay_objects;
1815	$self->fix_auto_apply;	2137	$self->fix_auto_apply;
1816	$self->update_buttons;	2138	$self->update_buttons;
1817	Coro::cede;	2139	cf::cede_to_tick;
1818	$self->set_darkness_map;
1819	Coro::cede;
1820	$self->activate;	2140	$self->activate;
1821	}	2141	}
1822		2142
		2143	$self->{last_save} = $cf::RUNTIME;
		2144	$self->last_access ($cf::RUNTIME);
		2145
1823	$self->in_memory (cf::MAP_IN_MEMORY);	2146	$self->in_memory (cf::MAP_ACTIVE);
1824	}	2147	}
1825		2148
1826	$self->post_load;	2149	$self->post_load;
1827	}	2150	}
1828		2151
		2152	# customize the map for a given player, i.e.
		2153	# return the _real_ map. used by e.g. per-player
		2154	# maps to change the path to ~playername/mappath
1829	sub customise_for {	2155	sub customise_for {
1830	my ($self, $ob) = @_;	2156	my ($self, $ob) = @_;
1831		2157
1832	return find "~" . $ob->name . "/" . $self->{path}	2158	return find "~" . $ob->name . "/" . $self->{path}
1833	if $self->per_player;	2159	if $self->per_player;
…		…
1837		2163
1838	$self	2164	$self
1839	}	2165	}
1840		2166
1841	# find and load all maps in the 3x3 area around a map	2167	# find and load all maps in the 3x3 area around a map
1842	sub load_diag {	2168	sub load_neighbours {
1843	my ($map) = @_;	2169	my ($map) = @_;
1844		2170
1845	my @diag; # diagonal neighbours	2171	my @neigh; # diagonal neighbours
1846		2172
1847	for (0 .. 3) {	2173	for (0 .. 3) {
1848	my $neigh = $map->tile_path ($_)	2174	my $neigh = $map->tile_path ($_)
1849	or next;	2175	or next;
1850	$neigh = find $neigh, $map	2176	$neigh = find $neigh, $map
1851	or next;	2177	or next;
1852	$neigh->load;	2178	$neigh->load;
1853		2179
		2180	# now find the diagonal neighbours
		2181	push @neigh,
1854	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2182	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1855	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2183	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1856	}	2184	}
1857		2185
1858	for (@diag) {	2186	for (grep defined $_->[0], @neigh) {
		2187	my ($path, $origin) = @$_;
1859	my $neigh = find @$_	2188	my $neigh = find $path, $origin
1860	or next;	2189	or next;
1861	$neigh->load;	2190	$neigh->load;
1862	}	2191	}
1863	}	2192	}
1864		2193
1865	sub find_sync {	2194	sub find_sync {
1866	my ($path, $origin) = @_;	2195	my ($path, $origin) = @_;
1867		2196
1868	cf::sync_job { find $path, $origin }	2197	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2198	if $Coro::current == $Coro::main;
		2199
		2200	find $path, $origin
1869	}	2201	}
1870		2202
1871	sub do_load_sync {	2203	sub do_load_sync {
1872	my ($map) = @_;	2204	my ($map) = @_;
1873		2205
1874	cf::sync_job { $map->load };	2206	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2207	if $Coro::current == $Coro::main;
		2208
		2209	$map->load;
1875	}	2210	}
1876		2211
1877	our %MAP_PREFETCH;	2212	our %MAP_PREFETCH;
1878	our $MAP_PREFETCHER = undef;	2213	our $MAP_PREFETCHER = undef;
1879		2214
1880	sub find_async {	2215	sub find_async {
1881	my ($path, $origin) = @_;	2216	my ($path, $origin, $load) = @_;
1882		2217
1883	$path = normalise $path, $origin && $origin->{path};	2218	$path = normalise $path, $origin && $origin->{path};
1884		2219
1885	if (my $map = $cf::MAP{$path}) {	2220	if (my $map = $cf::MAP{$path}) {
1886	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2221	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1887	}	2222	}
1888		2223
1889	undef $MAP_PREFETCH{$path};	2224	$MAP_PREFETCH{$path} |= $load;
		2225
1890	$MAP_PREFETCHER ||= cf::async {	2226	$MAP_PREFETCHER ||= cf::async {
		2227	$Coro::current->{desc} = "map prefetcher";
		2228
1891	while (%MAP_PREFETCH) {	2229	while (%MAP_PREFETCH) {
1892	for my $path (keys %MAP_PREFETCH) {	2230	while (my ($k, $v) = each %MAP_PREFETCH) {
1893	my $map = find $path	2231	if (my $map = find $k) {
1894	or next;
1895	$map->load;	2232	$map->load if $v;
		2233	}
1896		2234
1897	delete $MAP_PREFETCH{$path};	2235	delete $MAP_PREFETCH{$k};
1898	}	2236	}
1899	}	2237	}
1900	undef $MAP_PREFETCHER;	2238	undef $MAP_PREFETCHER;
1901	};	2239	};
1902	$MAP_PREFETCHER->prio (6);	2240	$MAP_PREFETCHER->prio (6);
1903		2241
1904	()	2242	()
1905	}	2243	}
1906		2244
		2245	# common code, used by both ->save and ->swapout
1907	sub save {	2246	sub _save {
1908	my ($self) = @_;	2247	my ($self) = @_;
1909
1910	my $lock = cf::lock_acquire "map_data:" . $self->path;
1911		2248
1912	$self->{last_save} = $cf::RUNTIME;	2249	$self->{last_save} = $cf::RUNTIME;
1913		2250
1914	return unless $self->dirty;	2251	return unless $self->dirty;
1915		2252
…		…
1921	return if $self->{deny_save};	2258	return if $self->{deny_save};
1922		2259
1923	local $self->{last_access} = $self->last_access;#d#	2260	local $self->{last_access} = $self->last_access;#d#
1924		2261
1925	cf::async {	2262	cf::async {
		2263	$Coro::current->{desc} = "map player save";
1926	$_->contr->save for $self->players;	2264	$_->contr->save for $self->players;
1927	};	2265	};
		2266
		2267	cf::get_slot 0.02;
1928		2268
1929	if ($uniq) {	2269	if ($uniq) {
1930	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2270	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1931	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2271	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1932	} else {	2272	} else {
1933	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2273	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1934	}	2274	}
1935	}	2275	}
1936		2276
		2277	sub save {
		2278	my ($self) = @_;
		2279
		2280	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2281
		2282	$self->_save;
		2283	}
		2284
1937	sub swap_out {	2285	sub swap_out {
1938	my ($self) = @_;	2286	my ($self) = @_;
1939		2287
1940	# save first because save cedes
1941	$self->save;
1942
1943	my $lock = cf::lock_acquire "map_data:" . $self->path;	2288	my $lock = cf::lock_acquire "map_data:$self->{path}";
1944		2289
		2290	return if $self->in_memory != cf::MAP_ACTIVE;
		2291	return if $self->{deny_save};
1945	return if $self->players;	2292	return if $self->players;
1946	return if $self->in_memory != cf::MAP_IN_MEMORY;
1947	return if $self->{deny_save};
1948		2293
		2294	# first deactivate the map and "unlink" it from the core
		2295	$self->deactivate;
		2296	$_->clear_links_to ($self) for values %cf::MAP;
		2297	$self->in_memory (cf::MAP_SWAPPED);
		2298
		2299	# then atomically save
		2300	$self->_save;
		2301
		2302	# then free the map
1949	$self->clear;	2303	$self->clear;
1950	$self->in_memory (cf::MAP_SWAPPED);
1951	}	2304	}
1952		2305
1953	sub reset_at {	2306	sub reset_at {
1954	my ($self) = @_;	2307	my ($self) = @_;
1955		2308
…		…
1973		2326
1974	my $lock = cf::lock_acquire "map_data:$self->{path}";	2327	my $lock = cf::lock_acquire "map_data:$self->{path}";
1975		2328
1976	return if $self->players;	2329	return if $self->players;
1977		2330
1978	warn "resetting map ", $self->path;	2331	cf::trace "resetting map ", $self->path, "\n";
1979		2332
1980	$self->in_memory (cf::MAP_SWAPPED);	2333	$self->in_memory (cf::MAP_SWAPPED);
1981		2334
1982	# need to save uniques path	2335	# need to save uniques path
1983	unless ($self->{deny_save}) {	2336	unless ($self->{deny_save}) {
…		…
1987	if $uniq;	2340	if $uniq;
1988	}	2341	}
1989		2342
1990	delete $cf::MAP{$self->path};	2343	delete $cf::MAP{$self->path};
1991		2344
		2345	$self->deactivate;
		2346	$_->clear_links_to ($self) for values %cf::MAP;
1992	$self->clear;	2347	$self->clear;
1993
1994	$_->clear_links_to ($self) for values %cf::MAP;
1995		2348
1996	$self->unlink_save;	2349	$self->unlink_save;
1997	$self->destroy;	2350	$self->destroy;
1998	}	2351	}
1999		2352
2000	my $nuke_counter = "aaaa";	2353	my $nuke_counter = "aaaa";
2001		2354
2002	sub nuke {	2355	sub nuke {
2003	my ($self) = @_;	2356	my ($self) = @_;
2004		2357
		2358	{
		2359	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2360
2005	delete $cf::MAP{$self->path};	2361	delete $cf::MAP{$self->path};
2006		2362
2007	$self->unlink_save;	2363	$self->unlink_save;
2008		2364
2009	bless $self, "cf::map";	2365	bless $self, "cf::map::wrap";
2010	delete $self->{deny_reset};	2366	delete $self->{deny_reset};
2011	$self->{deny_save} = 1;	2367	$self->{deny_save} = 1;
2012	$self->reset_timeout (1);	2368	$self->reset_timeout (1);
2013	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2369	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2014		2370
2015	$cf::MAP{$self->path} = $self;	2371	$cf::MAP{$self->path} = $self;
		2372	}
2016		2373
2017	$self->reset; # polite request, might not happen	2374	$self->reset; # polite request, might not happen
2018	}	2375	}
2019		2376
2020	=item $maps = cf::map::tmp_maps	2377	=item $maps = cf::map::tmp_maps
…		…
2062		2419
2063	sub unique_maps() {	2420	sub unique_maps() {
2064	[	2421	[
2065	map {	2422	map {
2066	utf8::decode $_;	2423	utf8::decode $_;
2067	/\.map$/	2424	s/\.map$//; # TODO future compatibility hack
		2425	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2426	? ()
2068	? normalise $_	2427	: normalise $_
2069	: ()
2070	} @{ aio_readdir $UNIQUEDIR or [] }	2428	} @{ aio_readdir $UNIQUEDIR or [] }
2071	]	2429	]
2072	}	2430	}
2073		2431
2074	package cf;	2432	=item cf::map::static_maps
		2433
		2434	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2435	file in the shared directory excluding F</styles> and F</editor>). May
		2436	block.
		2437
		2438	=cut
		2439
		2440	sub static_maps() {
		2441	my @dirs = "";
		2442	my @maps;
		2443
		2444	while (@dirs) {
		2445	my $dir = shift @dirs;
		2446
		2447	next if $dir eq "/styles" || $dir eq "/editor";
		2448
		2449	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2450	or return;
		2451
		2452	for (@$files) {
		2453	s/\.map$// or next;
		2454	utf8::decode $_;
		2455	push @maps, "$dir/$_";
		2456	}
		2457
		2458	push @dirs, map "$dir/$_", @$dirs;
		2459	}
		2460
		2461	\@maps
		2462	}
2075		2463
2076	=back	2464	=back
2077		2465
2078	=head3 cf::object	2466	=head3 cf::object
2079		2467
…		…
2083		2471
2084	=over 4	2472	=over 4
2085		2473
2086	=item $ob->inv_recursive	2474	=item $ob->inv_recursive
2087		2475
2088	Returns the inventory of the object _and_ their inventories, recursively.	2476	Returns the inventory of the object I<and> their inventories, recursively,
		2477	but I<not> the object itself.
2089		2478
2090	=cut	2479	=cut
2091		2480
2092	sub inv_recursive_;	2481	sub inv_recursive_;
2093	sub inv_recursive_ {	2482	sub inv_recursive_ {
…		…
2096		2485
2097	sub inv_recursive {	2486	sub inv_recursive {
2098	inv_recursive_ inv $_[0]	2487	inv_recursive_ inv $_[0]
2099	}	2488	}
2100		2489
		2490	=item $ref = $ob->ref
		2491
		2492	Creates and returns a persistent reference to an object that can be stored as a string.
		2493
		2494	=item $ob = cf::object::deref ($refstring)
		2495
		2496	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2497	even if the object actually exists. May block.
		2498
		2499	=cut
		2500
		2501	sub deref {
		2502	my ($ref) = @_;
		2503
		2504	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2505	my ($uuid, $name) = ($1, $2);
		2506	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2507	or return;
		2508	$pl->ob->uuid eq $uuid
		2509	or return;
		2510
		2511	$pl->ob
		2512	} else {
		2513	warn "$ref: cannot resolve object reference\n";
		2514	undef
		2515	}
		2516	}
		2517
2101	package cf;	2518	package cf;
2102		2519
2103	=back	2520	=back
2104		2521
2105	=head3 cf::object::player	2522	=head3 cf::object::player
…		…
2111	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2528	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2112	can be C<undef>. Does the right thing when the player is currently in a	2529	can be C<undef>. Does the right thing when the player is currently in a
2113	dialogue with the given NPC character.	2530	dialogue with the given NPC character.
2114		2531
2115	=cut	2532	=cut
		2533
		2534	our $SAY_CHANNEL = {
		2535	id => "say",
		2536	title => "Map",
		2537	reply => "say ",
		2538	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2539	};
		2540
		2541	our $CHAT_CHANNEL = {
		2542	id => "chat",
		2543	title => "Chat",
		2544	reply => "chat ",
		2545	tooltip => "Player chat and shouts, global to the server.",
		2546	};
2116		2547
2117	# rough implementation of a future "reply" method that works	2548	# rough implementation of a future "reply" method that works
2118	# with dialog boxes.	2549	# with dialog boxes.
2119	#TODO: the first argument must go, split into a $npc->reply_to ( method	2550	#TODO: the first argument must go, split into a $npc->reply_to ( method
2120	sub cf::object::player::reply($$$;$) {	2551	sub cf::object::player::reply($$$;$) {
…		…
2127		2558
2128	} else {	2559	} else {
2129	my $pl = $self->contr;	2560	my $pl = $self->contr;
2130		2561
2131	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2562	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2132	my $diag = $pl->{npc_dialog};	2563	my $dialog = $pl->{npc_dialog};
2133	$diag->{pl}->ext_reply (	2564	$dialog->{pl}->ext_msg ($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		2565
2140	} else {	2566	} else {
2141	$msg = $npc->name . " says: $msg" if $npc;	2567	$msg = $npc->name . " says: $msg" if $npc;
2142	$self->message ($msg, $flags);	2568	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2143	}	2569	}
2144	}	2570	}
		2571	}
		2572
		2573	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2574
		2575	=cut
		2576
		2577	sub cf::object::send_msg {
		2578	my $pl = shift->contr
		2579	or return;
		2580	$pl->send_msg (@_);
2145	}	2581	}
2146		2582
2147	=item $player_object->may ("access")	2583	=item $player_object->may ("access")
2148		2584
2149	Returns wether the given player is authorized to access resource "access"	2585	Returns wether the given player is authorized to access resource "access"
…		…
2162		2598
2163	=item $player_object->enter_link	2599	=item $player_object->enter_link
2164		2600
2165	Freezes the player and moves him/her to a special map (C<{link}>).	2601	Freezes the player and moves him/her to a special map (C<{link}>).
2166		2602
2167	The player should be reasonably safe there for short amounts of time. You	2603	The player should be reasonably safe there for short amounts of time (e.g.
2168	I<MUST> call C<leave_link> as soon as possible, though.	2604	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2605	though, as the player cannot control the character while it is on the link
		2606	map.
2169		2607
2170	Will never block.	2608	Will never block.
2171		2609
2172	=item $player_object->leave_link ($map, $x, $y)	2610	=item $player_object->leave_link ($map, $x, $y)
2173		2611
…		…
2193	sub cf::object::player::enter_link {	2631	sub cf::object::player::enter_link {
2194	my ($self) = @_;	2632	my ($self) = @_;
2195		2633
2196	$self->deactivate_recursive;	2634	$self->deactivate_recursive;
2197		2635
		2636	++$self->{_link_recursion};
		2637
2198	return if UNIVERSAL::isa $self->map, "ext::map_link";	2638	return if UNIVERSAL::isa $self->map, "ext::map_link";
2199		2639
2200	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2640	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2201	if $self->map && $self->map->{path} ne "{link}";	2641	if $self->map && $self->map->{path} ne "{link}";
2202		2642
2203	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2643	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2204	}	2644	}
2205		2645
2206	sub cf::object::player::leave_link {	2646	sub cf::object::player::leave_link {
2207	my ($self, $map, $x, $y) = @_;	2647	my ($self, $map, $x, $y) = @_;
2208		2648
…		…
2225	($x, $y) = (-1, -1)	2665	($x, $y) = (-1, -1)
2226	unless (defined $x) && (defined $y);	2666	unless (defined $x) && (defined $y);
2227		2667
2228	# use -1 or undef as default coordinates, not 0, 0	2668	# use -1 or undef as default coordinates, not 0, 0
2229	($x, $y) = ($map->enter_x, $map->enter_y)	2669	($x, $y) = ($map->enter_x, $map->enter_y)
2230	if $x <=0 && $y <= 0;	2670	if $x <= 0 && $y <= 0;
2231		2671
2232	$map->load;	2672	$map->load;
2233	$map->load_diag;	2673	$map->load_neighbours;
2234		2674
2235	return unless $self->contr->active;	2675	return unless $self->contr->active;
2236	$self->activate_recursive;
2237		2676
2238	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2677	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2239	$self->enter_map ($map, $x, $y);	2678	if ($self->enter_map ($map, $x, $y)) {
2240	}	2679	# entering was successful
		2680	delete $self->{_link_recursion};
		2681	# only activate afterwards, to support waiting in hooks
		2682	$self->activate_recursive;
		2683	}
2241		2684
		2685	}
		2686
2242	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2687	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2243		2688
2244	Moves the player to the given map-path and coordinates by first freezing	2689	Moves the player to the given map-path and coordinates by first freezing
2245	her, loading and preparing them map, calling the provided $check callback	2690	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	2691	that has to return the map if sucecssful, and then unfreezes the player on
2247	the new (success) or old (failed) map position.	2692	the new (success) or old (failed) map position. In either case, $done will
		2693	be called at the end of this process.
		2694
		2695	Note that $check will be called with a potentially non-loaded map, so if
		2696	it needs a loaded map it has to call C<< ->load >>.
2248		2697
2249	=cut	2698	=cut
2250		2699
2251	our $GOTOGEN;	2700	our $GOTOGEN;
2252		2701
2253	sub cf::object::player::goto {	2702	sub cf::object::player::goto {
2254	my ($self, $path, $x, $y, $check) = @_;	2703	my ($self, $path, $x, $y, $check, $done) = @_;
		2704
		2705	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2706	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2707	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2708	($path, $x, $y) = @$EMERGENCY_POSITION;
		2709	}
2255		2710
2256	# do generation counting so two concurrent goto's will be executed in-order	2711	# do generation counting so two concurrent goto's will be executed in-order
2257	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2712	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2258		2713
2259	$self->enter_link;	2714	$self->enter_link;
2260		2715
2261	(async {	2716	(async {
		2717	$Coro::current->{desc} = "player::goto $path $x $y";
		2718
		2719	# *tag paths override both path and x|y
		2720	if ($path =~ /^\*(.*)$/) {
		2721	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2722	my $ob = $obs[rand @obs];
		2723
		2724	# see if we actually can go there
		2725	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2726	$ob = $obs[rand @obs];
		2727	} else {
		2728	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2729	}
		2730	# else put us there anyways for now #d#
		2731
		2732	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2733	} else {
		2734	($path, $x, $y) = (undef, undef, undef);
		2735	}
		2736	}
		2737
2262	my $map = eval {	2738	my $map = eval {
2263	my $map = cf::map::find $path;	2739	my $map = defined $path ? cf::map::find $path : undef;
2264		2740
2265	if ($map) {	2741	if ($map) {
2266	$map = $map->customise_for ($self);	2742	$map = $map->customise_for ($self);
2267	$map = $check->($map) if $check && $map;	2743	$map = $check->($map, $x, $y, $self) if $check && $map;
2268	} else {	2744	} else {
2269	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2745	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2270	}	2746	}
2271		2747
2272	$map	2748	$map
2273	};	2749	};
2274		2750
…		…
2279		2755
2280	if ($gen == $self->{_goto_generation}) {	2756	if ($gen == $self->{_goto_generation}) {
2281	delete $self->{_goto_generation};	2757	delete $self->{_goto_generation};
2282	$self->leave_link ($map, $x, $y);	2758	$self->leave_link ($map, $x, $y);
2283	}	2759	}
		2760
		2761	$done->($self) if $done;
2284	})->prio (1);	2762	})->prio (1);
2285	}	2763	}
2286		2764
2287	=item $player_object->enter_exit ($exit_object)	2765	=item $player_object->enter_exit ($exit_object)
2288		2766
…		…
2308	}	2786	}
2309		2787
2310	sub prepare_random_map {	2788	sub prepare_random_map {
2311	my ($exit) = @_;	2789	my ($exit) = @_;
2312		2790
2313	my $guard = cf::lock_acquire "exit_prepare:$exit";
2314
2315	# all this does is basically replace the /! path by	2791	# all this does is basically replace the /! path by
2316	# a new random map path (?random/...) with a seed	2792	# a new random map path (?random/...) with a seed
2317	# that depends on the exit object	2793	# that depends on the exit object
2318		2794
2319	my $rmp = parse_random_map_params $exit->msg;	2795	my $rmp = parse_random_map_params $exit->msg;
…		…
2321	if ($exit->map) {	2797	if ($exit->map) {
2322	$rmp->{region} = $exit->region->name;	2798	$rmp->{region} = $exit->region->name;
2323	$rmp->{origin_map} = $exit->map->path;	2799	$rmp->{origin_map} = $exit->map->path;
2324	$rmp->{origin_x} = $exit->x;	2800	$rmp->{origin_x} = $exit->x;
2325	$rmp->{origin_y} = $exit->y;	2801	$rmp->{origin_y} = $exit->y;
		2802
		2803	$exit->map->touch;
2326	}	2804	}
2327		2805
2328	$rmp->{random_seed} ||= $exit->random_seed;	2806	$rmp->{random_seed} ||= $exit->random_seed;
2329		2807
2330	my $data = cf::to_json $rmp;	2808	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2331	my $md5 = Digest::MD5::md5_hex $data;	2809	my $md5 = Digest::MD5::md5_hex $data;
2332	my $meta = "$RANDOMDIR/$md5.meta";	2810	my $meta = "$RANDOMDIR/$md5.meta";
2333		2811
2334	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2812	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2335	aio_write $fh, 0, (length $data), $data, 0;	2813	aio_write $fh, 0, (length $data), $data, 0;
2336	undef $fh;	2814	undef $fh;
2337	aio_rename "$meta~", $meta;	2815	aio_rename "$meta~", $meta;
2338		2816
		2817	my $slaying = "?random/$md5";
		2818
		2819	if ($exit->valid) {
2339	$exit->slaying ("?random/$md5");	2820	$exit->slaying ("?random/$md5");
2340	$exit->msg (undef);	2821	$exit->msg (undef);
		2822	}
2341	}	2823	}
2342	}	2824	}
2343		2825
2344	sub cf::object::player::enter_exit {	2826	sub cf::object::player::enter_exit {
2345	my ($self, $exit) = @_;	2827	my ($self, $exit) = @_;
2346		2828
2347	return unless $self->type == cf::PLAYER;	2829	return unless $self->type == cf::PLAYER;
2348		2830
2349	if ($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;	2831	$self->enter_link;
2361		2832
2362	(async {	2833	(async {
2363	$self->deactivate_recursive; # just to be sure	2834	$Coro::current->{desc} = "enter_exit";
		2835
2364	unless (eval {	2836	unless (eval {
		2837	$self->deactivate_recursive; # just to be sure
		2838
		2839	# random map handling
		2840	{
		2841	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2842
		2843	prepare_random_map $exit
		2844	if $exit->slaying eq "/!";
		2845	}
		2846
		2847	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2848	my $x = $exit->stats->hp;
		2849	my $y = $exit->stats->sp;
		2850
2365	$self->goto ($slaying, $hp, $sp);	2851	$self->goto ($map, $x, $y);
2366		2852
		2853	# if exit is damned, update players death & WoR home-position
		2854	$self->contr->savebed ($map, $x, $y)
		2855	if $exit->flag (cf::FLAG_DAMNED);
		2856
2367	1;	2857	1
2368	}) {	2858	}) {
2369	$self->message ("Something went wrong deep within the crossfire server. "	2859	$self->message ("Something went wrong deep within the deliantra server. "
2370	. "I'll try to bring you back to the map you were before. "	2860	. "I'll try to bring you back to the map you were before. "
2371	. "Please report this to the dungeon master!",	2861	. "Please report this to the dungeon master!",
2372	cf::NDI_UNIQUE | cf::NDI_RED);	2862	cf::NDI_UNIQUE | cf::NDI_RED);
2373		2863
2374	warn "ERROR in enter_exit: $@";	2864	error "ERROR in enter_exit: $@";
2375	$self->leave_link;	2865	$self->leave_link;
2376	}	2866	}
2377	})->prio (1);	2867	})->prio (1);
2378	}	2868	}
2379		2869
…		…
2393		2883
2394	utf8::encode $text;	2884	utf8::encode $text;
2395	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2885	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2396	}	2886	}
2397		2887
		2888	=item $client->send_big_packet ($pkt)
		2889
		2890	Like C<send_packet>, but tries to compress large packets, and fragments
		2891	them as required.
		2892
		2893	=cut
		2894
		2895	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2896
		2897	sub cf::client::send_big_packet {
		2898	my ($self, $pkt) = @_;
		2899
		2900	# try lzf for large packets
		2901	$pkt = "lzf " . Compress::LZF::compress $pkt
		2902	if 1024 <= length $pkt and $self->{can_lzf};
		2903
		2904	# split very large packets
		2905	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2906	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2907	$pkt = "frag";
		2908	}
		2909
		2910	$self->send_packet ($pkt);
		2911	}
		2912
2398	=item $client->send_msg ($color, $type, $msg, [extra...])	2913	=item $client->send_msg ($channel, $msg, $color, [extra...])
2399		2914
2400	Send a drawinfo or msg packet to the client, formatting the msg for the	2915	Send a drawinfo or msg packet to the client, formatting the msg for the
2401	client if neccessary. C<$type> should be a string identifying the type of	2916	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	2917	the message, with C<log> being the default. If C<$color> is negative, suppress
2403	the message unless the client supports the msg packet.	2918	the message unless the client supports the msg packet.
2404		2919
2405	=cut	2920	=cut
2406		2921
		2922	# non-persistent channels (usually the info channel)
		2923	our %CHANNEL = (
		2924	"c/motd" => {
		2925	id => "infobox",
		2926	title => "MOTD",
		2927	reply => undef,
		2928	tooltip => "The message of the day",
		2929	},
		2930	"c/identify" => {
		2931	id => "infobox",
		2932	title => "Identify",
		2933	reply => undef,
		2934	tooltip => "Items recently identified",
		2935	},
		2936	"c/examine" => {
		2937	id => "infobox",
		2938	title => "Examine",
		2939	reply => undef,
		2940	tooltip => "Signs and other items you examined",
		2941	},
		2942	"c/shopinfo" => {
		2943	id => "infobox",
		2944	title => "Shop Info",
		2945	reply => undef,
		2946	tooltip => "What your bargaining skill tells you about the shop",
		2947	},
		2948	"c/book" => {
		2949	id => "infobox",
		2950	title => "Book",
		2951	reply => undef,
		2952	tooltip => "The contents of a note or book",
		2953	},
		2954	"c/lookat" => {
		2955	id => "infobox",
		2956	title => "Look",
		2957	reply => undef,
		2958	tooltip => "What you saw there",
		2959	},
		2960	"c/who" => {
		2961	id => "infobox",
		2962	title => "Players",
		2963	reply => undef,
		2964	tooltip => "Shows players who are currently online",
		2965	},
		2966	"c/body" => {
		2967	id => "infobox",
		2968	title => "Body Parts",
		2969	reply => undef,
		2970	tooltip => "Shows which body parts you posess and are available",
		2971	},
		2972	"c/statistics" => {
		2973	id => "infobox",
		2974	title => "Statistics",
		2975	reply => undef,
		2976	tooltip => "Shows your primary statistics",
		2977	},
		2978	"c/skills" => {
		2979	id => "infobox",
		2980	title => "Skills",
		2981	reply => undef,
		2982	tooltip => "Shows your experience per skill and item power",
		2983	},
		2984	"c/shopitems" => {
		2985	id => "infobox",
		2986	title => "Shop Items",
		2987	reply => undef,
		2988	tooltip => "Shows the items currently for sale in this shop",
		2989	},
		2990	"c/resistances" => {
		2991	id => "infobox",
		2992	title => "Resistances",
		2993	reply => undef,
		2994	tooltip => "Shows your resistances",
		2995	},
		2996	"c/pets" => {
		2997	id => "infobox",
		2998	title => "Pets",
		2999	reply => undef,
		3000	tooltip => "Shows information abotu your pets/a specific pet",
		3001	},
		3002	"c/perceiveself" => {
		3003	id => "infobox",
		3004	title => "Perceive Self",
		3005	reply => undef,
		3006	tooltip => "You gained detailed knowledge about yourself",
		3007	},
		3008	"c/uptime" => {
		3009	id => "infobox",
		3010	title => "Uptime",
		3011	reply => undef,
		3012	tooltip => "How long the server has been running since last restart",
		3013	},
		3014	"c/mapinfo" => {
		3015	id => "infobox",
		3016	title => "Map Info",
		3017	reply => undef,
		3018	tooltip => "Information related to the maps",
		3019	},
		3020	"c/party" => {
		3021	id => "party",
		3022	title => "Party",
		3023	reply => "gsay ",
		3024	tooltip => "Messages and chat related to your party",
		3025	},
		3026	"c/death" => {
		3027	id => "death",
		3028	title => "Death",
		3029	reply => undef,
		3030	tooltip => "Reason for and more info about your most recent death",
		3031	},
		3032	"c/say" => $SAY_CHANNEL,
		3033	"c/chat" => $CHAT_CHANNEL,
		3034	);
		3035
2407	sub cf::client::send_msg {	3036	sub cf::client::send_msg {
2408	my ($self, $color, $type, $msg, @extra) = @_;	3037	my ($self, $channel, $msg, $color, @extra) = @_;
2409		3038
2410	$msg = $self->pl->expand_cfpod ($msg);	3039	$msg = $self->pl->expand_cfpod ($msg)
		3040	unless $color & cf::NDI_VERBATIM;
2411		3041
2412	if ($self->can_msg) {	3042	$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		3043
2425	if ($color >= 0) {	3044	# check predefined channels, for the benefit of C
2426	if (0 && $msg =~ /\[/) {	3045	if ($CHANNEL{$channel}) {
2427	$self->send_packet ("drawextinfo $color 4 0 $msg")	3046	$channel = $CHANNEL{$channel};
2428	} else {	3047
2429	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	3048	$self->ext_msg (channel_info => $channel);
2430	$self->send_packet ("drawinfo $color $msg")	3049	$channel = $channel->{id};
		3050
		3051	} elsif (ref $channel) {
		3052	# send meta info to client, if not yet sent
		3053	unless (exists $self->{channel}{$channel->{id}}) {
		3054	$self->{channel}{$channel->{id}} = $channel;
		3055	$self->ext_msg (channel_info => $channel);
2431	}	3056	}
2432	}
2433	}
2434	}
2435		3057
		3058	$channel = $channel->{id};
		3059	}
		3060
		3061	return unless @extra || length $msg;
		3062
		3063	# default colour, mask it out
		3064	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3065	if $color & cf::NDI_DEF;
		3066
		3067	my $pkt = "msg "
		3068	. $self->{json_coder}->encode (
		3069	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3070	);
		3071
		3072	$self->send_big_packet ($pkt);
		3073	}
		3074
2436	=item $client->ext_event ($type, %msg)	3075	=item $client->ext_msg ($type, @msg)
2437		3076
2438	Sends an ext event to the client.	3077	Sends an ext event to the client.
2439		3078
2440	=cut	3079	=cut
2441		3080
2442	sub cf::client::ext_event($$%) {	3081	sub cf::client::ext_msg($$@) {
2443	my ($self, $type, %msg) = @_;	3082	my ($self, $type, @msg) = @_;
2444		3083
		3084	if ($self->extcmd == 2) {
		3085	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3086	} elsif ($self->extcmd == 1) { # TODO: remove
2445	$msg{msgtype} = "event_$type";	3087	push @msg, msgtype => "event_$type";
2446	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3088	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3089	}
		3090	}
		3091
		3092	=item $client->ext_reply ($msgid, @msg)
		3093
		3094	Sends an ext reply to the client.
		3095
		3096	=cut
		3097
		3098	sub cf::client::ext_reply($$@) {
		3099	my ($self, $id, @msg) = @_;
		3100
		3101	if ($self->extcmd == 2) {
		3102	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3103	} elsif ($self->extcmd == 1) {
		3104	#TODO: version 1, remove
		3105	unshift @msg, msgtype => "reply", msgid => $id;
		3106	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3107	}
2447	}	3108	}
2448		3109
2449	=item $success = $client->query ($flags, "text", \&cb)	3110	=item $success = $client->query ($flags, "text", \&cb)
2450		3111
2451	Queues a query to the client, calling the given callback with	3112	Queues a query to the client, calling the given callback with
…		…
2506	my ($ns, $buf) = @_;	3167	my ($ns, $buf) = @_;
2507		3168
2508	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3169	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2509		3170
2510	if (ref $msg) {	3171	if (ref $msg) {
		3172	my ($type, $reply, @payload) =
		3173	"ARRAY" eq ref $msg
		3174	? @$msg
		3175	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3176
		3177	my @reply;
		3178
2511	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3179	if (my $cb = $EXTICMD{$type}) {
2512	if (my %reply = $cb->($ns, $msg)) {	3180	@reply = $cb->($ns, @payload);
2513	$reply{msgid} = $msg->{msgid};
2514	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2515	}
2516	}	3181	}
		3182
		3183	$ns->ext_reply ($reply, @reply)
		3184	if $reply;
		3185
2517	} else {	3186	} else {
2518	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3187	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2519	}	3188	}
2520		3189
2521	cf::override;	3190	cf::override;
2522	},	3191	},
2523	);	3192	);
…		…
2543		3212
2544	$coro	3213	$coro
2545	}	3214	}
2546		3215
2547	cf::client->attach (	3216	cf::client->attach (
2548	on_destroy => sub {	3217	on_client_destroy => sub {
2549	my ($ns) = @_;	3218	my ($ns) = @_;
2550		3219
2551	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3220	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2552	},	3221	},
2553	);	3222	);
…		…
2568	our $safe = new Safe "safe";	3237	our $safe = new Safe "safe";
2569	our $safe_hole = new Safe::Hole;	3238	our $safe_hole = new Safe::Hole;
2570		3239
2571	$SIG{FPE} = 'IGNORE';	3240	$SIG{FPE} = 'IGNORE';
2572		3241
2573	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3242	$safe->permit_only (Opcode::opset qw(
		3243	:base_core :base_mem :base_orig :base_math :base_loop
		3244	grepstart grepwhile mapstart mapwhile
		3245	sort time
		3246	));
2574		3247
2575	# here we export the classes and methods available to script code	3248	# here we export the classes and methods available to script code
2576		3249
2577	=pod	3250	=pod
2578		3251
2579	The following functions and methods are available within a safe environment:	3252	The following functions and methods are available within a safe environment:
2580		3253
2581	cf::object contr pay_amount pay_player map	3254	cf::object
		3255	contr pay_amount pay_player map x y force_find force_add destroy
		3256	insert remove name archname title slaying race decrease split
		3257	value
		3258
2582	cf::object::player player	3259	cf::object::player
2583	cf::player peaceful	3260	player
2584	cf::map trigger	3261
		3262	cf::player
		3263	peaceful
		3264
		3265	cf::map
		3266	trigger
2585		3267
2586	=cut	3268	=cut
2587		3269
2588	for (	3270	for (
2589	["cf::object" => qw(contr pay_amount pay_player map)],	3271	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3272	insert remove inv nrof name archname title slaying race
		3273	decrease split destroy change_exp value msg lore send_msg)],
2590	["cf::object::player" => qw(player)],	3274	["cf::object::player" => qw(player)],
2591	["cf::player" => qw(peaceful)],	3275	["cf::player" => qw(peaceful send_msg)],
2592	["cf::map" => qw(trigger)],	3276	["cf::map" => qw(trigger)],
2593	) {	3277	) {
2594	no strict 'refs';	3278	no strict 'refs';
2595	my ($pkg, @funs) = @$_;	3279	my ($pkg, @funs) = @$_;
2596	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3280	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2614		3298
2615	my $qcode = $code;	3299	my $qcode = $code;
2616	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3300	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2617	$qcode =~ s/\n/\\n/g;	3301	$qcode =~ s/\n/\\n/g;
2618		3302
		3303	%vars = (_dummy => 0) unless %vars;
		3304
		3305	my @res;
2619	local $_;	3306	local $_;
2620	local @safe::cf::_safe_eval_args = values %vars;
2621		3307
2622	my $eval =	3308	my $eval =
2623	"do {\n"	3309	"do {\n"
2624	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3310	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2625	. "#line 0 \"{$qcode}\"\n"	3311	. "#line 0 \"{$qcode}\"\n"
2626	. $code	3312	. $code
2627	. "\n}"	3313	. "\n}"
2628	;	3314	;
2629		3315
		3316	if ($CFG{safe_eval}) {
2630	sub_generation_inc;	3317	sub_generation_inc;
		3318	local @safe::cf::_safe_eval_args = values %vars;
2631	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3319	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2632	sub_generation_inc;	3320	sub_generation_inc;
		3321	} else {
		3322	local @cf::_safe_eval_args = values %vars;
		3323	@res = wantarray ? eval eval : scalar eval $eval;
		3324	}
2633		3325
2634	if ($@) {	3326	if ($@) {
2635	warn "$@";	3327	warn "$@",
2636	warn "while executing safe code '$code'\n";	3328	"while executing safe code '$code'\n",
2637	warn "with arguments " . (join " ", %vars) . "\n";	3329	"with arguments " . (join " ", %vars) . "\n";
2638	}	3330	}
2639		3331
2640	wantarray ? @res : $res[0]	3332	wantarray ? @res : $res[0]
2641	}	3333	}
2642		3334
…		…
2656	=cut	3348	=cut
2657		3349
2658	sub register_script_function {	3350	sub register_script_function {
2659	my ($fun, $cb) = @_;	3351	my ($fun, $cb) = @_;
2660		3352
2661	no strict 'refs';	3353	$fun = "safe::$fun" if $CFG{safe_eval};
2662	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3354	*$fun = $safe_hole->wrap ($cb);
2663	}	3355	}
2664		3356
2665	=back	3357	=back
2666		3358
2667	=cut	3359	=cut
…		…
2670	# the server's init and main functions	3362	# the server's init and main functions
2671		3363
2672	sub load_facedata($) {	3364	sub load_facedata($) {
2673	my ($path) = @_;	3365	my ($path) = @_;
2674		3366
		3367	# HACK to clear player env face cache, we need some signal framework
		3368	# for this (global event?)
		3369	%ext::player_env::MUSIC_FACE_CACHE = ();
		3370
		3371	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3372
2675	warn "loading facedata from $path\n";	3373	trace "loading facedata from $path\n";
2676		3374
2677	my $facedata;	3375	my $facedata;
2678	0 < aio_load $path, $facedata	3376	0 < aio_load $path, $facedata
2679	or die "$path: $!";	3377	or die "$path: $!";
2680		3378
2681	$facedata = Coro::Storable::thaw $facedata;	3379	$facedata = Coro::Storable::thaw $facedata;
2682		3380
2683	$facedata->{version} == 2	3381	$facedata->{version} == 2
2684	or cf::cleanup "$path: version mismatch, cannot proceed.";	3382	or cf::cleanup "$path: version mismatch, cannot proceed.";
2685		3383
		3384	# patch in the exptable
		3385	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3386	$facedata->{resource}{"res/exp_table"} = {
		3387	type => FT_RSRC,
		3388	data => $exp_table,
		3389	hash => (Digest::MD5::md5 $exp_table),
		3390	};
		3391	cf::cede_to_tick;
		3392
2686	{	3393	{
2687	my $faces = $facedata->{faceinfo};	3394	my $faces = $facedata->{faceinfo};
2688		3395
2689	while (my ($face, $info) = each %$faces) {	3396	while (my ($face, $info) = each %$faces) {
2690	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3397	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3398
2691	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3399	cf::face::set_visibility $idx, $info->{visibility};
		3400	cf::face::set_magicmap $idx, $info->{magicmap};
2692	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3401	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2693	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3402	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2694	Coro::cede;	3403
		3404	cf::cede_to_tick;
2695	}	3405	}
2696		3406
2697	while (my ($face, $info) = each %$faces) {	3407	while (my ($face, $info) = each %$faces) {
2698	next unless $info->{smooth};	3408	next unless $info->{smooth};
		3409
2699	my $idx = cf::face::find $face	3410	my $idx = cf::face::find $face
2700	or next;	3411	or next;
		3412
2701	if (my $smooth = cf::face::find $info->{smooth}) {	3413	if (my $smooth = cf::face::find $info->{smooth}) {
		3414	cf::face::set_smooth $idx, $smooth;
2702	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3415	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2703	} else {	3416	} else {
2704	warn "smooth face '$info->{smooth}' not found for face '$face'";	3417	error "smooth face '$info->{smooth}' not found for face '$face'";
2705	}	3418	}
2706	Coro::cede;	3419
		3420	cf::cede_to_tick;
2707	}	3421	}
2708	}	3422	}
2709		3423
2710	{	3424	{
2711	my $anims = $facedata->{animinfo};	3425	my $anims = $facedata->{animinfo};
2712		3426
2713	while (my ($anim, $info) = each %$anims) {	3427	while (my ($anim, $info) = each %$anims) {
2714	cf::anim::set $anim, $info->{frames}, $info->{facings};	3428	cf::anim::set $anim, $info->{frames}, $info->{facings};
2715	Coro::cede;	3429	cf::cede_to_tick;
2716	}	3430	}
2717		3431
2718	cf::anim::invalidate_all; # d'oh	3432	cf::anim::invalidate_all; # d'oh
2719	}	3433	}
2720		3434
		3435	{
		3436	my $res = $facedata->{resource};
		3437
		3438	while (my ($name, $info) = each %$res) {
		3439	if (defined $info->{type}) {
		3440	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3441
		3442	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3443	cf::face::set_type $idx, $info->{type};
		3444	} else {
		3445	$RESOURCE{$name} = $info; # unused
		3446	}
		3447
		3448	cf::cede_to_tick;
		3449	}
		3450	}
		3451
		3452	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3453
2721	1	3454	1
2722	}	3455	}
2723		3456
		3457	register_exticmd fx_want => sub {
		3458	my ($ns, $want) = @_;
		3459
		3460	while (my ($k, $v) = each %$want) {
		3461	$ns->fx_want ($k, $v);
		3462	}
		3463	};
		3464
		3465	sub load_resource_file($) {
		3466	my $guard = lock_acquire "load_resource_file";
		3467
		3468	my $status = load_resource_file_ $_[0];
		3469	get_slot 0.1, 100;
		3470	cf::arch::commit_load;
		3471
		3472	$status
		3473	}
		3474
2724	sub reload_regions {	3475	sub reload_regions {
		3476	# HACK to clear player env face cache, we need some signal framework
		3477	# for this (global event?)
		3478	%ext::player_env::MUSIC_FACE_CACHE = ();
		3479
2725	load_resource_file "$MAPDIR/regions"	3480	load_resource_file "$MAPDIR/regions"
2726	or die "unable to load regions file\n";	3481	or die "unable to load regions file\n";
		3482
		3483	for (cf::region::list) {
		3484	$_->{match} = qr/$_->{match}/
		3485	if exists $_->{match};
		3486	}
2727	}	3487	}
2728		3488
2729	sub reload_facedata {	3489	sub reload_facedata {
2730	load_facedata "$DATADIR/facedata"	3490	load_facedata "$DATADIR/facedata"
2731	or die "unable to load facedata\n";	3491	or die "unable to load facedata\n";
2732	}	3492	}
2733		3493
2734	sub reload_archetypes {	3494	sub reload_archetypes {
2735	load_resource_file "$DATADIR/archetypes"	3495	load_resource_file "$DATADIR/archetypes"
2736	or die "unable to load archetypes\n";	3496	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	}	3497	}
2743		3498
2744	sub reload_treasures {	3499	sub reload_treasures {
2745	load_resource_file "$DATADIR/treasures"	3500	load_resource_file "$DATADIR/treasures"
2746	or die "unable to load treasurelists\n";	3501	or die "unable to load treasurelists\n";
2747	}	3502	}
2748		3503
		3504	sub reload_sound {
		3505	trace "loading sound config from $DATADIR/sound\n";
		3506
		3507	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3508	or die "$DATADIR/sound $!";
		3509
		3510	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3511
		3512	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3513	my $sound = $soundconf->{compat}[$_]
		3514	or next;
		3515
		3516	my $face = cf::face::find "sound/$sound->[1]";
		3517	cf::sound::set $sound->[0] => $face;
		3518	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3519	}
		3520
		3521	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3522	my $face = cf::face::find "sound/$v";
		3523	cf::sound::set $k => $face;
		3524	}
		3525	}
		3526
2749	sub reload_resources {	3527	sub reload_resources {
2750	warn "reloading resource files...\n";	3528	trace "reloading resource files...\n";
2751		3529
		3530	reload_facedata;
		3531	reload_sound;
		3532	reload_archetypes;
2752	reload_regions;	3533	reload_regions;
2753	reload_facedata;
2754	#reload_archetypes;#d#
2755	reload_archetypes;
2756	reload_treasures;	3534	reload_treasures;
2757		3535
2758	warn "finished reloading resource files\n";	3536	trace "finished reloading resource files\n";
2759	}	3537	}
2760		3538
2761	sub init {	3539	sub reload_config {
2762	reload_resources;	3540	trace "reloading config file...\n";
2763	}
2764		3541
2765	sub cfg_load {
2766	open my $fh, "<:utf8", "$CONFDIR/config"	3542	open my $fh, "<:utf8", "$CONFDIR/config"
2767	or return;	3543	or return;
2768		3544
2769	local $/;	3545	local $/;
2770	*CFG = YAML::Syck::Load <$fh>;	3546	*CFG = YAML::XS::Load scalar <$fh>;
2771		3547
2772	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3548	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2773		3549
2774	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3550	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2775	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3551	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2776		3552
2777	if (exists $CFG{mlockall}) {	3553	if (exists $CFG{mlockall}) {
…		…
2779	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3555	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2780	and die "WARNING: m(un)lockall failed: $!\n";	3556	and die "WARNING: m(un)lockall failed: $!\n";
2781	};	3557	};
2782	warn $@ if $@;	3558	warn $@ if $@;
2783	}	3559	}
		3560
		3561	trace "finished reloading resource files\n";
		3562	}
		3563
		3564	sub pidfile() {
		3565	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3566	or die "$PIDFILE: $!";
		3567	flock $fh, &Fcntl::LOCK_EX
		3568	or die "$PIDFILE: flock: $!";
		3569	$fh
		3570	}
		3571
		3572	# make sure only one server instance is running at any one time
		3573	sub atomic {
		3574	my $fh = pidfile;
		3575
		3576	my $pid = <$fh>;
		3577	kill 9, $pid if $pid > 0;
		3578
		3579	seek $fh, 0, 0;
		3580	print $fh $$;
		3581	}
		3582
		3583	sub main_loop {
		3584	trace "EV::loop starting\n";
		3585	if (1) {
		3586	EV::loop;
		3587	}
		3588	trace "EV::loop returned\n";
		3589	goto &main_loop unless $REALLY_UNLOOP;
2784	}	3590	}
2785		3591
2786	sub main {	3592	sub main {
		3593	cf::init_globals; # initialise logging
		3594
		3595	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3596	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3597	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3598	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3599
		3600	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3601
2787	# we must not ever block the main coroutine	3602	# we must not ever block the main coroutine
2788	local $Coro::idle = sub {	3603	local $Coro::idle = sub {
2789	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3604	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2790	(async {	3605	(async {
2791	Event::one_event;	3606	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3607	EV::loop EV::LOOP_ONESHOT;
2792	})->prio (Coro::PRIO_MAX);	3608	})->prio (Coro::PRIO_MAX);
2793	};	3609	};
2794		3610
2795	cfg_load;	3611	evthread_start IO::AIO::poll_fileno;
		3612
		3613	cf::sync_job {
		3614	cf::init_experience;
		3615	cf::init_anim;
		3616	cf::init_attackmess;
		3617	cf::init_dynamic;
		3618
		3619	cf::load_settings;
		3620	cf::load_materials;
		3621
		3622	reload_resources;
		3623	reload_config;
2796	db_init;	3624	db_init;
		3625
		3626	cf::init_uuid;
		3627	cf::init_signals;
		3628	cf::init_skills;
		3629
		3630	cf::init_beforeplay;
		3631
		3632	atomic;
		3633
2797	load_extensions;	3634	load_extensions;
2798		3635
2799	$TICK_WATCHER->start;	3636	utime time, time, $RUNTIMEFILE;
2800	Event::loop;	3637
		3638	# no (long-running) fork's whatsoever before this point(!)
		3639	use POSIX ();
		3640	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3641
		3642	(pop @POST_INIT)->(0) while @POST_INIT;
		3643	};
		3644
		3645	cf::object::thawer::errors_are_fatal 0;
		3646	info "parse errors in files are no longer fatal from this point on.\n";
		3647
		3648	main_loop;
2801	}	3649	}
2802		3650
2803	#############################################################################	3651	#############################################################################
2804	# initialisation and cleanup	3652	# initialisation and cleanup
2805		3653
2806	# install some emergency cleanup handlers	3654	# install some emergency cleanup handlers
2807	BEGIN {	3655	BEGIN {
		3656	our %SIGWATCHER = ();
2808	for my $signal (qw(INT HUP TERM)) {	3657	for my $signal (qw(INT HUP TERM)) {
2809	Event->signal (	3658	$SIGWATCHER{$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";	3659	cf::cleanup "SIG$signal";
2816	},
2817	);	3660	};
2818	}	3661	}
2819	}	3662	}
2820		3663
2821	sub write_runtime {	3664	sub write_runtime_sync {
2822	my $runtime = "$LOCALDIR/runtime";	3665	my $t0 = AE::time;
2823		3666
2824	# first touch the runtime file to show we are still running:	3667	# first touch the runtime file to show we are still running:
2825	# the fsync below can take a very very long time.	3668	# the fsync below can take a very very long time.
2826		3669
2827	IO::AIO::aio_utime $runtime, undef, undef;	3670	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2828		3671
2829	my $guard = cf::lock_acquire "write_runtime";	3672	my $guard = cf::lock_acquire "write_runtime";
2830		3673
2831	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3674	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2832	or return;	3675	or return;
2833		3676
2834	my $value = $cf::RUNTIME + 90 + 10;	3677	my $value = $cf::RUNTIME + 90 + 10;
2835	# 10 is the runtime save interval, for a monotonic clock	3678	# 10 is the runtime save interval, for a monotonic clock
2836	# 60 allows for the watchdog to kill the server.	3679	# 60 allows for the watchdog to kill the server.
…		…
2846	aio_utime $fh, undef, undef;	3689	aio_utime $fh, undef, undef;
2847		3690
2848	close $fh	3691	close $fh
2849	or return;	3692	or return;
2850		3693
2851	aio_rename "$runtime~", $runtime	3694	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2852	and return;	3695	and return;
2853		3696
2854	warn "runtime file written.\n";	3697	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2855		3698
2856	1	3699	1
		3700	}
		3701
		3702	our $uuid_lock;
		3703	our $uuid_skip;
		3704
		3705	sub write_uuid_sync($) {
		3706	$uuid_skip ||= $_[0];
		3707
		3708	return if $uuid_lock;
		3709	local $uuid_lock = 1;
		3710
		3711	my $uuid = "$LOCALDIR/uuid";
		3712
		3713	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3714	or return;
		3715
		3716	my $value = uuid_seq uuid_cur;
		3717
		3718	unless ($value) {
		3719	info "cowardly refusing to write zero uuid value!\n";
		3720	return;
		3721	}
		3722
		3723	my $value = uuid_str $value + $uuid_skip;
		3724	$uuid_skip = 0;
		3725
		3726	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3727	and return;
		3728
		3729	# always fsync - this file is important
		3730	aio_fsync $fh
		3731	and return;
		3732
		3733	close $fh
		3734	or return;
		3735
		3736	aio_rename "$uuid~", $uuid
		3737	and return;
		3738
		3739	trace "uuid file written ($value).\n";
		3740
		3741	1
		3742
		3743	}
		3744
		3745	sub write_uuid($$) {
		3746	my ($skip, $sync) = @_;
		3747
		3748	$sync ? write_uuid_sync $skip
		3749	: async { write_uuid_sync $skip };
2857	}	3750	}
2858		3751
2859	sub emergency_save() {	3752	sub emergency_save() {
2860	my $freeze_guard = cf::freeze_mainloop;	3753	my $freeze_guard = cf::freeze_mainloop;
2861		3754
2862	warn "enter emergency perl save\n";	3755	info "emergency_perl_save: enter\n";
		3756
		3757	# this is a trade-off: we want to be very quick here, so
		3758	# save all maps without fsync, and later call a global sync
		3759	# (which in turn might be very very slow)
		3760	local $USE_FSYNC = 0;
2863		3761
2864	cf::sync_job {	3762	cf::sync_job {
2865	# use a peculiar iteration method to avoid tripping on perl	3763	# use a peculiar iteration method to avoid tripping on perl
2866	# refcount bugs in for. also avoids problems with players	3764	# refcount bugs in for. also avoids problems with players
2867	# and maps saved/destroyed asynchronously.	3765	# and maps saved/destroyed asynchronously.
2868	warn "begin emergency player save\n";	3766	info "emergency_perl_save: begin player save\n";
2869	for my $login (keys %cf::PLAYER) {	3767	for my $login (keys %cf::PLAYER) {
2870	my $pl = $cf::PLAYER{$login} or next;	3768	my $pl = $cf::PLAYER{$login} or next;
2871	$pl->valid or next;	3769	$pl->valid or next;
		3770	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2872	$pl->save;	3771	$pl->save;
2873	}	3772	}
2874	warn "end emergency player save\n";	3773	info "emergency_perl_save: end player save\n";
2875		3774
2876	warn "begin emergency map save\n";	3775	info "emergency_perl_save: begin map save\n";
2877	for my $path (keys %cf::MAP) {	3776	for my $path (keys %cf::MAP) {
2878	my $map = $cf::MAP{$path} or next;	3777	my $map = $cf::MAP{$path} or next;
2879	$map->valid or next;	3778	$map->valid or next;
2880	$map->save;	3779	$map->save;
2881	}	3780	}
2882	warn "end emergency map save\n";	3781	info "emergency_perl_save: end map save\n";
2883		3782
2884	warn "begin emergency database checkpoint\n";	3783	info "emergency_perl_save: begin database checkpoint\n";
2885	BDB::db_env_txn_checkpoint $DB_ENV;	3784	BDB::db_env_txn_checkpoint $DB_ENV;
2886	warn "end emergency database checkpoint\n";	3785	info "emergency_perl_save: end database checkpoint\n";
		3786
		3787	info "emergency_perl_save: begin write uuid\n";
		3788	write_uuid_sync 1;
		3789	info "emergency_perl_save: end write uuid\n";
2887	};	3790	};
2888		3791
2889	warn "leave emergency perl save\n";	3792	info "emergency_perl_save: starting sync()\n";
		3793	IO::AIO::aio_sync sub {
		3794	info "emergency_perl_save: finished sync()\n";
		3795	};
		3796
		3797	info "emergency_perl_save: leave\n";
2890	}	3798	}
2891		3799
2892	sub post_cleanup {	3800	sub post_cleanup {
2893	my ($make_core) = @_;	3801	my ($make_core) = @_;
2894		3802
2895	warn Carp::longmess "post_cleanup backtrace"	3803	error Carp::longmess "post_cleanup backtrace"
2896	if $make_core;	3804	if $make_core;
		3805
		3806	my $fh = pidfile;
		3807	unlink $PIDFILE if <$fh> == $$;
		3808	}
		3809
		3810	# a safer delete_package, copied from Symbol
		3811	sub clear_package($) {
		3812	my $pkg = shift;
		3813
		3814	# expand to full symbol table name if needed
		3815	unless ($pkg =~ /^main::.*::$/) {
		3816	$pkg = "main$pkg" if $pkg =~ /^::/;
		3817	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3818	$pkg .= '::' unless $pkg =~ /::$/;
		3819	}
		3820
		3821	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3822	my $stem_symtab = *{$stem}{HASH};
		3823
		3824	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3825	or return;
		3826
		3827	# clear all symbols
		3828	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3829	for my $name (keys %$leaf_symtab) {
		3830	_gv_clear *{"$pkg$name"};
		3831	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3832	}
2897	}	3833	}
2898		3834
2899	sub do_reload_perl() {	3835	sub do_reload_perl() {
2900	# can/must only be called in main	3836	# can/must only be called in main
2901	if ($Coro::current != $Coro::main) {	3837	if (in_main) {
2902	warn "can only reload from main coroutine";	3838	error "can only reload from main coroutine";
2903	return;	3839	return;
2904	}	3840	}
2905		3841
		3842	return if $RELOAD++;
		3843
		3844	my $t1 = AE::time;
		3845
		3846	while ($RELOAD) {
2906	warn "reloading...";	3847	info "reloading...";
2907		3848
2908	warn "entering sync_job";	3849	trace "entering sync_job";
2909		3850
2910	cf::sync_job {	3851	cf::sync_job {
2911	cf::write_runtime; # external watchdog should not bark	3852	cf::write_runtime_sync; # external watchdog should not bark
2912	cf::emergency_save;	3853	cf::emergency_save;
2913	cf::write_runtime; # external watchdog should not bark	3854	cf::write_runtime_sync; # external watchdog should not bark
2914		3855
2915	warn "syncing database to disk";	3856	trace "syncing database to disk";
2916	BDB::db_env_txn_checkpoint $DB_ENV;	3857	BDB::db_env_txn_checkpoint $DB_ENV;
2917		3858
2918	# if anything goes wrong in here, we should simply crash as we already saved	3859	# if anything goes wrong in here, we should simply crash as we already saved
2919		3860
2920	warn "cancelling all WF_AUTOCANCEL watchers";
2921	for (Event::all_watchers) {
2922	$_->cancel if $_->data & WF_AUTOCANCEL;
2923	}
2924
2925	warn "flushing outstanding aio requests";	3861	trace "flushing outstanding aio requests";
2926	for (;;) {
2927	BDB::flush;
2928	IO::AIO::flush;
2929	Coro::cede;
2930	last unless IO::AIO::nreqs || BDB::nreqs;	3862	while (IO::AIO::nreqs || BDB::nreqs) {
2931	warn "iterate...";	3863	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2932	}
2933
2934	++$RELOAD;
2935
2936	warn "cancelling all extension coros";
2937	$_->cancel for values %EXT_CORO;
2938	%EXT_CORO = ();
2939
2940	warn "removing commands";
2941	%COMMAND = ();
2942
2943	warn "removing ext/exti commands";
2944	%EXTCMD = ();
2945	%EXTICMD = ();
2946
2947	warn "unloading/nuking all extensions";
2948	for my $pkg (@EXTS) {
2949	warn "... unloading $pkg";
2950
2951	if (my $cb = $pkg->can ("unload")) {
2952	eval {
2953	$cb->($pkg);
2954	1
2955	} or warn "$pkg unloaded, but with errors: $@";
2956	}	3864	}
2957		3865
2958	warn "... nuking $pkg";	3866	trace "cancelling all extension coros";
2959	Symbol::delete_package $pkg;	3867	$_->cancel for values %EXT_CORO;
2960	}	3868	%EXT_CORO = ();
2961		3869
2962	warn "unloading all perl modules loaded from $LIBDIR";	3870	trace "removing commands";
2963	while (my ($k, $v) = each %INC) {	3871	%COMMAND = ();
2964	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2965		3872
		3873	trace "removing ext/exti commands";
		3874	%EXTCMD = ();
		3875	%EXTICMD = ();
		3876
		3877	trace "unloading/nuking all extensions";
		3878	for my $pkg (@EXTS) {
2966	warn "... unloading $k";	3879	trace "... unloading $pkg";
2967	delete $INC{$k};
2968		3880
2969	$k =~ s/\.pm$//;
2970	$k =~ s/\//::/g;
2971
2972	if (my $cb = $k->can ("unload_module")) {	3881	if (my $cb = $pkg->can ("unload")) {
		3882	eval {
2973	$cb->();	3883	$cb->($pkg);
		3884	1
		3885	} or error "$pkg unloaded, but with errors: $@";
		3886	}
		3887
		3888	trace "... clearing $pkg";
		3889	clear_package $pkg;
2974	}	3890	}
2975		3891
2976	Symbol::delete_package $k;	3892	trace "unloading all perl modules loaded from $LIBDIR";
		3893	while (my ($k, $v) = each %INC) {
		3894	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3895
		3896	trace "... unloading $k";
		3897	delete $INC{$k};
		3898
		3899	$k =~ s/\.pm$//;
		3900	$k =~ s/\//::/g;
		3901
		3902	if (my $cb = $k->can ("unload_module")) {
		3903	$cb->();
		3904	}
		3905
		3906	clear_package $k;
2977	}	3907	}
2978		3908
2979	warn "getting rid of safe::, as good as possible";	3909	trace "getting rid of safe::, as good as possible";
2980	Symbol::delete_package "safe::$_"	3910	clear_package "safe::$_"
2981	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3911	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2982		3912
2983	warn "unloading cf.pm \"a bit\"";	3913	trace "unloading cf.pm \"a bit\"";
2984	delete $INC{"cf.pm"};	3914	delete $INC{"cf.pm"};
2985	delete $INC{"cf/pod.pm"};	3915	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2986		3916
2987	# don't, removes xs symbols, too,	3917	# don't, removes xs symbols, too,
2988	# and global variables created in xs	3918	# and global variables created in xs
2989	#Symbol::delete_package __PACKAGE__;	3919	#clear_package __PACKAGE__;
2990		3920
2991	warn "unload completed, starting to reload now";	3921	info "unload completed, starting to reload now";
2992		3922
2993	warn "reloading cf.pm";	3923	trace "reloading cf.pm";
2994	require cf;	3924	require cf;
2995	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3925	cf::_connect_to_perl_1;
2996		3926
2997	warn "loading config and database again";	3927	trace "loading config and database again";
2998	cf::cfg_load;	3928	cf::reload_config;
2999		3929
3000	warn "loading extensions";	3930	trace "loading extensions";
3001	cf::load_extensions;	3931	cf::load_extensions;
3002		3932
		3933	if ($REATTACH_ON_RELOAD) {
3003	warn "reattaching attachments to objects/players";	3934	trace "reattaching attachments to objects/players";
3004	_global_reattach; # objects, sockets	3935	_global_reattach; # objects, sockets
3005	warn "reattaching attachments to maps";	3936	trace "reattaching attachments to maps";
3006	reattach $_ for values %MAP;	3937	reattach $_ for values %MAP;
3007	warn "reattaching attachments to players";	3938	trace "reattaching attachments to players";
3008	reattach $_ for values %PLAYER;	3939	reattach $_ for values %PLAYER;
		3940	}
3009		3941
		3942	trace "running post_init jobs";
		3943	(pop @POST_INIT)->(1) while @POST_INIT;
		3944
3010	warn "leaving sync_job";	3945	trace "leaving sync_job";
3011		3946
3012	1	3947	1
3013	} or do {	3948	} or do {
3014	warn $@;	3949	error $@;
3015	warn "error while reloading, exiting.";	3950	cf::cleanup "error while reloading, exiting.";
3016	exit 1;	3951	};
		3952
		3953	info "reloaded";
		3954	--$RELOAD;
3017	};	3955	}
3018		3956
3019	warn "reloaded";	3957	$t1 = AE::time - $t1;
		3958	info "reload completed in ${t1}s\n";
3020	};	3959	};
3021		3960
3022	our $RELOAD_WATCHER; # used only during reload	3961	our $RELOAD_WATCHER; # used only during reload
3023		3962
3024	sub reload_perl() {	3963	sub reload_perl() {
3025	# doing reload synchronously and two reloads happen back-to-back,	3964	# doing reload synchronously and two reloads happen back-to-back,
3026	# coro crashes during coro_state_free->destroy here.	3965	# coro crashes during coro_state_free->destroy here.
3027		3966
3028	$RELOAD_WATCHER ||= Event->timer (	3967	$RELOAD_WATCHER ||= cf::async {
3029	reentrant => 0,	3968	Coro::AIO::aio_wait cache_extensions;
3030	after => 0,	3969
3031	data => WF_AUTOCANCEL,	3970	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3032	cb => sub {
3033	do_reload_perl;	3971	do_reload_perl;
3034	undef $RELOAD_WATCHER;	3972	undef $RELOAD_WATCHER;
3035	},	3973	};
3036	);	3974	};
3037	}	3975	}
3038		3976
3039	register_command "reload" => sub {	3977	register_command "reload" => sub {
3040	my ($who, $arg) = @_;	3978	my ($who, $arg) = @_;
3041		3979
3042	if ($who->flag (FLAG_WIZ)) {	3980	if ($who->flag (FLAG_WIZ)) {
3043	$who->message ("reloading server.");	3981	$who->message ("reloading server.");
		3982	async {
		3983	$Coro::current->{desc} = "perl_reload";
3044	async { reload_perl };	3984	reload_perl;
		3985	};
3045	}	3986	}
3046	};	3987	};
3047		3988
3048	unshift @INC, $LIBDIR;	3989	unshift @INC, $LIBDIR;
3049		3990
…		…
3051		3992
3052	our @WAIT_FOR_TICK;	3993	our @WAIT_FOR_TICK;
3053	our @WAIT_FOR_TICK_BEGIN;	3994	our @WAIT_FOR_TICK_BEGIN;
3054		3995
3055	sub wait_for_tick {	3996	sub wait_for_tick {
3056	return unless $TICK_WATCHER->is_active;
3057	return if $Coro::current == $Coro::main;	3997	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3058		3998
3059	my $signal = new Coro::Signal;	3999	my $signal = new Coro::Signal;
3060	push @WAIT_FOR_TICK, $signal;	4000	push @WAIT_FOR_TICK, $signal;
3061	$signal->wait;	4001	$signal->wait;
3062	}	4002	}
3063		4003
3064	sub wait_for_tick_begin {	4004	sub wait_for_tick_begin {
3065	return unless $TICK_WATCHER->is_active;
3066	return if $Coro::current == $Coro::main;	4005	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3067		4006
3068	my $signal = new Coro::Signal;	4007	my $signal = new Coro::Signal;
3069	push @WAIT_FOR_TICK_BEGIN, $signal;	4008	push @WAIT_FOR_TICK_BEGIN, $signal;
3070	$signal->wait;	4009	$signal->wait;
3071	}	4010	}
3072		4011
3073	my $min = 1e6;#d#	4012	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 != $Coro::main) {	4013	if ($Coro::current != $Coro::main) {
3083	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4014	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3084	unless ++$bug_warning > 10;	4015	unless ++$bug_warning > 10;
3085	return;	4016	return;
3086	}	4017	}
3087		4018
3088	$NOW = $tick_start = Event::time;
3089
3090	cf::server_tick; # one server iteration	4019	cf::server_tick; # one server iteration
3091		4020
3092	0 && sync_job {#d#	4021	#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		4022
3098	$map->width (50);	4023	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3099	$map->height (50);	4024	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3100	$map->alloc;	4025	Coro::async_pool {
3101	$map->_load_objects ("/tmp/x.map", 1);	4026	$Coro::current->{desc} = "runtime saver";
3102	my $t = Event::time - $t;	4027	write_runtime_sync
3103		4028	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	};	4029	};
		4030	}
3114		4031
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) {	4032	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3130	$sig->send;	4033	$sig->send;
3131	}	4034	}
3132	while (my $sig = shift @WAIT_FOR_TICK) {	4035	while (my $sig = shift @WAIT_FOR_TICK) {
3133	$sig->send;	4036	$sig->send;
3134	}	4037	}
3135		4038
3136	$NOW = Event::time;	4039	$LOAD = ($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;	4040	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3146		4041
3147	_post_tick;	4042	if (0) {
3148		4043	if ($NEXT_TICK) {
3149		4044	my $jitter = $TICK_START - $NEXT_TICK;
		4045	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4046	debug "jitter $JITTER\n";#d#
		4047	}
3150	},	4048	}
3151	);	4049	}
3152		4050
3153	{	4051	{
3154	BDB::max_poll_time $TICK * 0.1;	4052	# configure BDB
3155	$BDB_POLL_WATCHER = Event->io (	4053
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;	4054	BDB::min_parallel 16;
3164		4055	BDB::max_poll_reqs $TICK * 0.1;
3165	BDB::set_sync_prepare {	4056	$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	$! = $status;
3176	},
3177	)
3178	};
3179		4057
3180	unless ($DB_ENV) {	4058	unless ($DB_ENV) {
3181	$DB_ENV = BDB::db_env_create;	4059	$DB_ENV = BDB::db_env_create;
		4060	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4061	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4062	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4063	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4064	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3182		4065
3183	cf::sync_job {	4066	cf::sync_job {
3184	eval {	4067	eval {
3185	BDB::db_env_open	4068	BDB::db_env_open
3186	$DB_ENV,	4069	$DB_ENV,
…		…
3188	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4071	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3189	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4072	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3190	0666;	4073	0666;
3191		4074
3192	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4075	cf::cleanup "db_env_open($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	};	4076	};
3197		4077
3198	cf::cleanup "db_env_open(db): $@" if $@;	4078	cf::cleanup "db_env_open(db): $@" if $@;
3199	};	4079	};
3200	}	4080	}
		4081
		4082	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4083	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4084	};
		4085	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4086	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4087	};
		4088	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4089	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4090	};
3201	}	4091	}
3202		4092
3203	{	4093	{
		4094	# configure IO::AIO
		4095
3204	IO::AIO::min_parallel 8;	4096	IO::AIO::min_parallel 8;
3205
3206	undef $Coro::AIO::WATCHER;
3207	IO::AIO::max_poll_time $TICK * 0.1;	4097	IO::AIO::max_poll_time $TICK * 0.1;
3208	$AIO_POLL_WATCHER = Event->io (	4098	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	}	4099	}
3217		4100
3218	my $_log_backtrace;	4101	my $_log_backtrace;
3219		4102
3220	sub _log_backtrace {	4103	sub _log_backtrace {
…		…
3223	$msg =~ s/\n//;	4106	$msg =~ s/\n//;
3224		4107
3225	# limit the # of concurrent backtraces	4108	# limit the # of concurrent backtraces
3226	if ($_log_backtrace < 2) {	4109	if ($_log_backtrace < 2) {
3227	++$_log_backtrace;	4110	++$_log_backtrace;
		4111	my $perl_bt = Carp::longmess $msg;
3228	async {	4112	async {
		4113	$Coro::current->{desc} = "abt $msg";
		4114
3229	my @bt = fork_call {	4115	my @bt = fork_call {
3230	@addr = map { sprintf "%x", $_ } @addr;	4116	@addr = map { sprintf "%x", $_ } @addr;
3231	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4117	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3232	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4118	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3233	or die "addr2line: $!";	4119	or die "addr2line: $!";
…		…
3241	}	4127	}
3242		4128
3243	@funcs	4129	@funcs
3244	};	4130	};
3245		4131
3246	LOG llevInfo, "[ABT] $msg\n";	4132	LOG llevInfo, "[ABT] $perl_bt\n";
		4133	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3247	LOG llevInfo, "[ABT] $_\n" for @bt;	4134	LOG llevInfo, "[ABT] $_\n" for @bt;
3248	--$_log_backtrace;	4135	--$_log_backtrace;
3249	};	4136	};
3250	} else {	4137	} else {
3251	LOG llevInfo, "[ABT] $msg\n";	4138	LOG llevInfo, "[ABT] $msg\n";
3252	LOG llevInfo, "[ABT] [suppressed]\n";	4139	LOG llevInfo, "[ABT] [suppressed]\n";
3253	}	4140	}
3254	}	4141	}
3255		4142
3256	# load additional modules	4143	# load additional modules
3257	use cf::pod;	4144	require "cf/$_.pm" for @EXTRA_MODULES;
		4145	cf::_connect_to_perl_2;
3258		4146
3259	END { cf::emergency_save }	4147	END { cf::emergency_save }
3260		4148
3261	1	4149	1
3262		4150

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