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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.288 by root, Mon Jun 25 07:40:53 2007 UTC vs.
Revision 1.535 by root, Thu Apr 29 08:21:28 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->convert_blessed->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
…		…
1086	cf::override;	1355	cf::override;
1087	},	1356	},
1088	on_extcmd => sub {	1357	on_extcmd => sub {
1089	my ($pl, $buf) = @_;	1358	my ($pl, $buf) = @_;
1090		1359
1091	my $msg = eval { from_json $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<([^\>]*)>/<fg name="lightblue">[$1]<\/fg>/g;
1406
1407	# create single paragraphs (very hackish)
1408	s/(?<=\S)\n(?=\w)/ /g;
1409
1410	$_
1411	}
1412
1413	=item $player->ext_reply ($msgid, %msg)	1745	=item $player->ext_reply ($msgid, @msg)
1414		1746
1415	Sends an ext reply to the player.	1747	Sends an ext reply to the player.
1416		1748
1417	=cut	1749	=cut
1418		1750
1419	sub ext_reply($$%) {	1751	sub ext_reply($$@) {
1420	my ($self, $id, %msg) = @_;	1752	my ($self, $id, @msg) = @_;
1421		1753
1422	$msg{msgid} = $id;	1754	$self->ns->ext_reply ($id, @msg)
1423	$self->send ("ext " . cf::to_json \%msg);
1424	}	1755	}
1425		1756
1426	=item $player->ext_event ($type, %msg)	1757	=item $player->ext_msg ($type, @msg)
1427		1758
1428	Sends an ext event to the client.	1759	Sends an ext event to the client.
1429		1760
1430	=cut	1761	=cut
1431		1762
1432	sub ext_event($$%) {	1763	sub ext_msg($$@) {
1433	my ($self, $type, %msg) = @_;	1764	my ($self, $type, @msg) = @_;
1434		1765
1435	$self->ns->ext_event ($type, %msg);	1766	$self->ns->ext_msg ($type, @msg);
1436	}	1767	}
1437		1768
1438	=head3 cf::region	1769	=head3 cf::region
1439		1770
1440	=over 4	1771	=over 4
…		…
1450	=cut	1781	=cut
1451		1782
1452	sub find_by_path($) {	1783	sub find_by_path($) {
1453	my ($path) = @_;	1784	my ($path) = @_;
1454		1785
		1786	$path =~ s/^~[^\/]*//; # skip ~login
		1787
1455	my ($match, $specificity);	1788	my ($match, $specificity);
1456		1789
1457	for my $region (list) {	1790	for my $region (list) {
1458	if ($region->match && $path =~ $region->match) {	1791	if ($region->{match} && $path =~ $region->{match}) {
1459	($match, $specificity) = ($region, $region->specificity)	1792	($match, $specificity) = ($region, $region->specificity)
1460	if $region->specificity > $specificity;	1793	if $region->specificity > $specificity;
1461	}	1794	}
1462	}	1795	}
1463		1796
…		…
1484	our $MAX_RESET = 3600;	1817	our $MAX_RESET = 3600;
1485	our $DEFAULT_RESET = 3000;	1818	our $DEFAULT_RESET = 3000;
1486		1819
1487	sub generate_random_map {	1820	sub generate_random_map {
1488	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
1489	# mit "rum" bekleckern, nicht	1825	# mit "rum" bekleckern, nicht
1490	$self->_create_random_map (	1826	$self->_create_random_map (
1491	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1827	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1492	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1828	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1493	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1829	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1494	$rmp->{exit_on_final_map},	1830	$rmp->{exit_on_final_map},
1495	$rmp->{xsize}, $rmp->{ysize},	1831	$rmp->{xsize}, $rmp->{ysize},
1496	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1832	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1497	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1833	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1519		1855
1520	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1856	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1521	}	1857	}
1522		1858
1523	# also paths starting with '/'	1859	# also paths starting with '/'
1524	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1860	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1525		1861
1526	sub thawer_merge {	1862	sub thawer_merge {
1527	my ($self, $merge) = @_;	1863	my ($self, $merge) = @_;
1528		1864
1529	# we have to keep some variables in memory intact	1865	# we have to keep some variables in memory intact
…		…
1583	$self->init; # pass $1 etc.	1919	$self->init; # pass $1 etc.
1584	return $self;	1920	return $self;
1585	}	1921	}
1586	}	1922	}
1587		1923
1588	Carp::carp "unable to resolve path '$path' (base '$base').";	1924	Carp::cluck "unable to resolve path '$path' (base '$base').";
1589	()	1925	()
1590	}	1926	}
1591		1927
1592	sub init {	1928	sub init {
1593	my ($self) = @_;	1929	my ($self) = @_;
…		…
1615		1951
1616	# the temporary/swap location	1952	# the temporary/swap location
1617	sub save_path {	1953	sub save_path {
1618	my ($self) = @_;	1954	my ($self) = @_;
1619		1955
1620	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1956	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1621	"$TMPDIR/$path.map"	1957	"$TMPDIR/$path.map"
1622	}	1958	}
1623		1959
1624	# the unique path, undef == no special unique path	1960	# the unique path, undef == no special unique path
1625	sub uniq_path {	1961	sub uniq_path {
1626	my ($self) = @_;	1962	my ($self) = @_;
1627		1963
1628	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1964	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1629	"$UNIQUEDIR/$path"	1965	"$UNIQUEDIR/$path"
1630	}
1631
1632	# and all this just because we cannot iterate over
1633	# all maps in C++...
1634	sub change_all_map_light {
1635	my ($change) = @_;
1636
1637	$_->change_map_light ($change)
1638	for grep $_->outdoor, values %cf::MAP;
1639	}	1966	}
1640		1967
1641	sub decay_objects {	1968	sub decay_objects {
1642	my ($self) = @_;	1969	my ($self) = @_;
1643		1970
…		…
1656		1983
1657	sub load_header_from($) {	1984	sub load_header_from($) {
1658	my ($self, $path) = @_;	1985	my ($self, $path) = @_;
1659		1986
1660	utf8::encode $path;	1987	utf8::encode $path;
1661	#aio_open $path, O_RDONLY, 0	1988	my $f = new_from_file cf::object::thawer $path
1662	# or return;
1663
1664	$self->_load_header ($path)
1665	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;
1666		1996
1667	$self->{load_path} = $path;	1997	$self->{load_path} = $path;
1668		1998
1669	1	1999	1
1670	}	2000	}
…		…
1724	sub find {	2054	sub find {
1725	my ($path, $origin) = @_;	2055	my ($path, $origin) = @_;
1726		2056
1727	$path = normalise $path, $origin && $origin->path;	2057	$path = normalise $path, $origin && $origin->path;
1728		2058
		2059	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1729	cf::lock_wait "map_find:$path";	2060	my $guard2 = cf::lock_acquire "map_find:$path";
1730		2061
1731	$cf::MAP{$path} || do {	2062	$cf::MAP{$path} || do {
1732	my $guard = cf::lock_acquire "map_find:$path";
1733	my $map = new_from_path cf::map $path	2063	my $map = new_from_path cf::map $path
1734	or return;	2064	or return;
1735		2065
1736	$map->{last_save} = $cf::RUNTIME;	2066	$map->{last_save} = $cf::RUNTIME;
1737		2067
…		…
1739	or return;	2069	or return;
1740		2070
1741	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2071	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1742	# doing this can freeze the server in a sync job, obviously	2072	# doing this can freeze the server in a sync job, obviously
1743	#$cf::WAIT_FOR_TICK->wait;	2073	#$cf::WAIT_FOR_TICK->wait;
		2074	undef $guard2;
		2075	undef $guard1;
1744	$map->reset;	2076	$map->reset;
1745	undef $guard;
1746	return find $path;	2077	return find $path;
1747	}	2078	}
1748		2079
1749	$cf::MAP{$path} = $map	2080	$cf::MAP{$path} = $map
1750	}	2081	}
1751	}	2082	}
1752		2083
1753	sub pre_load { }	2084	sub pre_load { }
1754	sub post_load { }	2085	#sub post_load { } # XS
1755		2086
1756	sub load {	2087	sub load {
1757	my ($self) = @_;	2088	my ($self) = @_;
1758		2089
1759	local $self->{deny_reset} = 1; # loading can take a long time	2090	local $self->{deny_reset} = 1; # loading can take a long time
1760		2091
1761	my $path = $self->{path};	2092	my $path = $self->{path};
1762		2093
1763	{	2094	{
1764	my $guard = cf::lock_acquire "map_load:$path";	2095	my $guard = cf::lock_acquire "map_data:$path";
1765		2096
		2097	return unless $self->valid;
1766	return if $self->in_memory != cf::MAP_SWAPPED;	2098	return unless $self->in_memory == cf::MAP_SWAPPED;
1767		2099
1768	$self->in_memory (cf::MAP_LOADING);	2100	$self->in_memory (cf::MAP_LOADING);
1769		2101
1770	$self->alloc;	2102	$self->alloc;
1771		2103
1772	$self->pre_load;	2104	$self->pre_load;
1773	Coro::cede;	2105	cf::cede_to_tick;
1774		2106
		2107	my $f = new_from_file cf::object::thawer $self->{load_path};
		2108	$f->skip_block;
1775	$self->_load_objects ($self->{load_path}, 1)	2109	$self->_load_objects ($f)
1776	or return;	2110	or return;
1777		2111
1778	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2112	$self->post_load_original
1779	if delete $self->{load_original};	2113	if delete $self->{load_original};
1780		2114
1781	if (my $uniq = $self->uniq_path) {	2115	if (my $uniq = $self->uniq_path) {
1782	utf8::encode $uniq;	2116	utf8::encode $uniq;
1783	if (aio_open $uniq, O_RDONLY, 0) {	2117	unless (aio_stat $uniq) {
		2118	if (my $f = new_from_file cf::object::thawer $uniq) {
1784	$self->clear_unique_items;	2119	$self->clear_unique_items;
1785	$self->_load_objects ($uniq, 0);	2120	$self->_load_objects ($f);
		2121	$f->resolve_delayed_derefs;
		2122	}
1786	}	2123	}
1787	}	2124	}
1788		2125
1789	Coro::cede;	2126	$f->resolve_delayed_derefs;
		2127
		2128	cf::cede_to_tick;
1790	# now do the right thing for maps	2129	# now do the right thing for maps
1791	$self->link_multipart_objects;	2130	$self->link_multipart_objects;
1792	$self->difficulty ($self->estimate_difficulty)	2131	$self->difficulty ($self->estimate_difficulty)
1793	unless $self->difficulty;	2132	unless $self->difficulty;
1794	Coro::cede;	2133	cf::cede_to_tick;
1795		2134
1796	unless ($self->{deny_activate}) {	2135	unless ($self->{deny_activate}) {
1797	$self->decay_objects;	2136	$self->decay_objects;
1798	$self->fix_auto_apply;	2137	$self->fix_auto_apply;
1799	$self->update_buttons;	2138	$self->update_buttons;
1800	Coro::cede;	2139	cf::cede_to_tick;
1801	$self->set_darkness_map;
1802	Coro::cede;
1803	$self->activate;	2140	$self->activate;
1804	}	2141	}
1805		2142
		2143	$self->{last_save} = $cf::RUNTIME;
		2144	$self->last_access ($cf::RUNTIME);
		2145
1806	$self->in_memory (cf::MAP_IN_MEMORY);	2146	$self->in_memory (cf::MAP_ACTIVE);
1807	}	2147	}
1808		2148
1809	$self->post_load;	2149	$self->post_load;
1810	}	2150	}
1811		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
1812	sub customise_for {	2155	sub customise_for {
1813	my ($self, $ob) = @_;	2156	my ($self, $ob) = @_;
1814		2157
1815	return find "~" . $ob->name . "/" . $self->{path}	2158	return find "~" . $ob->name . "/" . $self->{path}
1816	if $self->per_player;	2159	if $self->per_player;
…		…
1820		2163
1821	$self	2164	$self
1822	}	2165	}
1823		2166
1824	# 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
1825	sub load_diag {	2168	sub load_neighbours {
1826	my ($map) = @_;	2169	my ($map) = @_;
1827		2170
1828	my @diag; # diagonal neighbours	2171	my @neigh; # diagonal neighbours
1829		2172
1830	for (0 .. 3) {	2173	for (0 .. 3) {
1831	my $neigh = $map->tile_path ($_)	2174	my $neigh = $map->tile_path ($_)
1832	or next;	2175	or next;
1833	$neigh = find $neigh, $map	2176	$neigh = find $neigh, $map
1834	or next;	2177	or next;
1835	$neigh->load;	2178	$neigh->load;
1836		2179
		2180	# now find the diagonal neighbours
		2181	push @neigh,
1837	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2182	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1838	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2183	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1839	}	2184	}
1840		2185
1841	for (@diag) {	2186	for (grep defined $_->[0], @neigh) {
		2187	my ($path, $origin) = @$_;
1842	my $neigh = find @$_	2188	my $neigh = find $path, $origin
1843	or next;	2189	or next;
1844	$neigh->load;	2190	$neigh->load;
1845	}	2191	}
1846	}	2192	}
1847		2193
1848	sub find_sync {	2194	sub find_sync {
1849	my ($path, $origin) = @_;	2195	my ($path, $origin) = @_;
1850		2196
1851	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
1852	}	2201	}
1853		2202
1854	sub do_load_sync {	2203	sub do_load_sync {
1855	my ($map) = @_;	2204	my ($map) = @_;
1856		2205
1857	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;
1858	}	2210	}
1859		2211
1860	our %MAP_PREFETCH;	2212	our %MAP_PREFETCH;
1861	our $MAP_PREFETCHER = undef;	2213	our $MAP_PREFETCHER = undef;
1862		2214
1863	sub find_async {	2215	sub find_async {
1864	my ($path, $origin) = @_;	2216	my ($path, $origin, $load) = @_;
1865		2217
1866	$path = normalise $path, $origin && $origin->{path};	2218	$path = normalise $path, $origin && $origin->{path};
1867		2219
1868	if (my $map = $cf::MAP{$path}) {	2220	if (my $map = $cf::MAP{$path}) {
1869	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2221	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1870	}	2222	}
1871		2223
1872	undef $MAP_PREFETCH{$path};	2224	$MAP_PREFETCH{$path} |= $load;
		2225
1873	$MAP_PREFETCHER ||= cf::async {	2226	$MAP_PREFETCHER ||= cf::async {
		2227	$Coro::current->{desc} = "map prefetcher";
		2228
1874	while (%MAP_PREFETCH) {	2229	while (%MAP_PREFETCH) {
1875	for my $path (keys %MAP_PREFETCH) {	2230	while (my ($k, $v) = each %MAP_PREFETCH) {
1876	my $map = find $path	2231	if (my $map = find $k) {
1877	or next;
1878	$map->load;	2232	$map->load if $v;
		2233	}
1879		2234
1880	delete $MAP_PREFETCH{$path};	2235	delete $MAP_PREFETCH{$k};
1881	}	2236	}
1882	}	2237	}
1883	undef $MAP_PREFETCHER;	2238	undef $MAP_PREFETCHER;
1884	};	2239	};
1885	$MAP_PREFETCHER->prio (6);	2240	$MAP_PREFETCHER->prio (6);
1886		2241
1887	()	2242	()
1888	}	2243	}
1889		2244
		2245	# common code, used by both ->save and ->swapout
1890	sub save {	2246	sub _save {
1891	my ($self) = @_;	2247	my ($self) = @_;
1892
1893	my $lock = cf::lock_acquire "map_data:" . $self->path;
1894		2248
1895	$self->{last_save} = $cf::RUNTIME;	2249	$self->{last_save} = $cf::RUNTIME;
1896		2250
1897	return unless $self->dirty;	2251	return unless $self->dirty;
1898		2252
…		…
1904	return if $self->{deny_save};	2258	return if $self->{deny_save};
1905		2259
1906	local $self->{last_access} = $self->last_access;#d#	2260	local $self->{last_access} = $self->last_access;#d#
1907		2261
1908	cf::async {	2262	cf::async {
		2263	$Coro::current->{desc} = "map player save";
1909	$_->contr->save for $self->players;	2264	$_->contr->save for $self->players;
1910	};	2265	};
		2266
		2267	cf::get_slot 0.02;
1911		2268
1912	if ($uniq) {	2269	if ($uniq) {
1913	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2270	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1914	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2271	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1915	} else {	2272	} else {
1916	$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);
1917	}	2274	}
1918	}	2275	}
1919		2276
		2277	sub save {
		2278	my ($self) = @_;
		2279
		2280	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2281
		2282	$self->_save;
		2283	}
		2284
1920	sub swap_out {	2285	sub swap_out {
1921	my ($self) = @_;	2286	my ($self) = @_;
1922		2287
1923	# save first because save cedes
1924	$self->save;
1925
1926	my $lock = cf::lock_acquire "map_data:" . $self->path;	2288	my $lock = cf::lock_acquire "map_data:$self->{path}";
1927		2289
		2290	return if $self->in_memory != cf::MAP_ACTIVE;
		2291	return if $self->{deny_save};
1928	return if $self->players;	2292	return if $self->players;
1929	return if $self->in_memory != cf::MAP_IN_MEMORY;
1930	return if $self->{deny_save};
1931		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
1932	$self->clear;	2303	$self->clear;
1933	$self->in_memory (cf::MAP_SWAPPED);
1934	}	2304	}
1935		2305
1936	sub reset_at {	2306	sub reset_at {
1937	my ($self) = @_;	2307	my ($self) = @_;
1938		2308
…		…
1956		2326
1957	my $lock = cf::lock_acquire "map_data:$self->{path}";	2327	my $lock = cf::lock_acquire "map_data:$self->{path}";
1958		2328
1959	return if $self->players;	2329	return if $self->players;
1960		2330
1961	warn "resetting map ", $self->path;	2331	cf::trace "resetting map ", $self->path, "\n";
1962		2332
1963	$self->in_memory (cf::MAP_SWAPPED);	2333	$self->in_memory (cf::MAP_SWAPPED);
1964		2334
1965	# need to save uniques path	2335	# need to save uniques path
1966	unless ($self->{deny_save}) {	2336	unless ($self->{deny_save}) {
…		…
1970	if $uniq;	2340	if $uniq;
1971	}	2341	}
1972		2342
1973	delete $cf::MAP{$self->path};	2343	delete $cf::MAP{$self->path};
1974		2344
		2345	$self->deactivate;
		2346	$_->clear_links_to ($self) for values %cf::MAP;
1975	$self->clear;	2347	$self->clear;
1976
1977	$_->clear_links_to ($self) for values %cf::MAP;
1978		2348
1979	$self->unlink_save;	2349	$self->unlink_save;
1980	$self->destroy;	2350	$self->destroy;
1981	}	2351	}
1982		2352
1983	my $nuke_counter = "aaaa";	2353	my $nuke_counter = "aaaa";
1984		2354
1985	sub nuke {	2355	sub nuke {
1986	my ($self) = @_;	2356	my ($self) = @_;
1987		2357
		2358	{
		2359	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2360
1988	delete $cf::MAP{$self->path};	2361	delete $cf::MAP{$self->path};
1989		2362
1990	$self->unlink_save;	2363	$self->unlink_save;
1991		2364
1992	bless $self, "cf::map";	2365	bless $self, "cf::map::wrap";
1993	delete $self->{deny_reset};	2366	delete $self->{deny_reset};
1994	$self->{deny_save} = 1;	2367	$self->{deny_save} = 1;
1995	$self->reset_timeout (1);	2368	$self->reset_timeout (1);
1996	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2369	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1997		2370
1998	$cf::MAP{$self->path} = $self;	2371	$cf::MAP{$self->path} = $self;
		2372	}
1999		2373
2000	$self->reset; # polite request, might not happen	2374	$self->reset; # polite request, might not happen
2001	}	2375	}
2002		2376
2003	=item $maps = cf::map::tmp_maps	2377	=item $maps = cf::map::tmp_maps
…		…
2045		2419
2046	sub unique_maps() {	2420	sub unique_maps() {
2047	[	2421	[
2048	map {	2422	map {
2049	utf8::decode $_;	2423	utf8::decode $_;
2050	/\.map$/	2424	s/\.map$//; # TODO future compatibility hack
		2425	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2426	? ()
2051	? normalise $_	2427	: normalise $_
2052	: ()
2053	} @{ aio_readdir $UNIQUEDIR or [] }	2428	} @{ aio_readdir $UNIQUEDIR or [] }
2054	]	2429	]
2055	}	2430	}
2056		2431
2057	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	}
2058		2463
2059	=back	2464	=back
2060		2465
2061	=head3 cf::object	2466	=head3 cf::object
2062		2467
…		…
2066		2471
2067	=over 4	2472	=over 4
2068		2473
2069	=item $ob->inv_recursive	2474	=item $ob->inv_recursive
2070		2475
2071	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.
2072		2478
2073	=cut	2479	=cut
2074		2480
2075	sub inv_recursive_;	2481	sub inv_recursive_;
2076	sub inv_recursive_ {	2482	sub inv_recursive_ {
…		…
2079		2485
2080	sub inv_recursive {	2486	sub inv_recursive {
2081	inv_recursive_ inv $_[0]	2487	inv_recursive_ inv $_[0]
2082	}	2488	}
2083		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
2084	package cf;	2518	package cf;
2085		2519
2086	=back	2520	=back
2087		2521
2088	=head3 cf::object::player	2522	=head3 cf::object::player
…		…
2094	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>
2095	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
2096	dialogue with the given NPC character.	2530	dialogue with the given NPC character.
2097		2531
2098	=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	};
2099		2547
2100	# rough implementation of a future "reply" method that works	2548	# rough implementation of a future "reply" method that works
2101	# with dialog boxes.	2549	# with dialog boxes.
2102	#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
2103	sub cf::object::player::reply($$$;$) {	2551	sub cf::object::player::reply($$$;$) {
…		…
2110		2558
2111	} else {	2559	} else {
2112	my $pl = $self->contr;	2560	my $pl = $self->contr;
2113		2561
2114	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2562	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2115	my $diag = $pl->{npc_dialog};	2563	my $dialog = $pl->{npc_dialog};
2116	$diag->{pl}->ext_reply (	2564	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2117	$diag->{id},
2118	msgtype => "reply",
2119	msg => $diag->{pl}->expand_cfpod ($msg),
2120	add_topics => []
2121	);
2122		2565
2123	} else {	2566	} else {
2124	$msg = $npc->name . " says: $msg" if $npc;	2567	$msg = $npc->name . " says: $msg" if $npc;
2125	$self->message ($msg, $flags);	2568	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2126	}	2569	}
2127	}	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 (@_);
2128	}	2581	}
2129		2582
2130	=item $player_object->may ("access")	2583	=item $player_object->may ("access")
2131		2584
2132	Returns wether the given player is authorized to access resource "access"	2585	Returns wether the given player is authorized to access resource "access"
…		…
2145		2598
2146	=item $player_object->enter_link	2599	=item $player_object->enter_link
2147		2600
2148	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}>).
2149		2602
2150	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.
2151	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.
2152		2607
2153	Will never block.	2608	Will never block.
2154		2609
2155	=item $player_object->leave_link ($map, $x, $y)	2610	=item $player_object->leave_link ($map, $x, $y)
2156		2611
…		…
2176	sub cf::object::player::enter_link {	2631	sub cf::object::player::enter_link {
2177	my ($self) = @_;	2632	my ($self) = @_;
2178		2633
2179	$self->deactivate_recursive;	2634	$self->deactivate_recursive;
2180		2635
		2636	++$self->{_link_recursion};
		2637
2181	return if UNIVERSAL::isa $self->map, "ext::map_link";	2638	return if UNIVERSAL::isa $self->map, "ext::map_link";
2182		2639
2183	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2640	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2184	if $self->map && $self->map->{path} ne "{link}";	2641	if $self->map && $self->map->{path} ne "{link}";
2185		2642
2186	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2643	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2187	}	2644	}
2188		2645
2189	sub cf::object::player::leave_link {	2646	sub cf::object::player::leave_link {
2190	my ($self, $map, $x, $y) = @_;	2647	my ($self, $map, $x, $y) = @_;
2191		2648
…		…
2208	($x, $y) = (-1, -1)	2665	($x, $y) = (-1, -1)
2209	unless (defined $x) && (defined $y);	2666	unless (defined $x) && (defined $y);
2210		2667
2211	# use -1 or undef as default coordinates, not 0, 0	2668	# use -1 or undef as default coordinates, not 0, 0
2212	($x, $y) = ($map->enter_x, $map->enter_y)	2669	($x, $y) = ($map->enter_x, $map->enter_y)
2213	if $x <=0 && $y <= 0;	2670	if $x <= 0 && $y <= 0;
2214		2671
2215	$map->load;	2672	$map->load;
2216	$map->load_diag;	2673	$map->load_neighbours;
2217		2674
2218	return unless $self->contr->active;	2675	return unless $self->contr->active;
2219	$self->activate_recursive;
2220		2676
2221	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2677	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2222	$self->enter_map ($map, $x, $y);	2678	if ($self->enter_map ($map, $x, $y)) {
2223	}	2679	# entering was successful
		2680	delete $self->{_link_recursion};
		2681	# only activate afterwards, to support waiting in hooks
		2682	$self->activate_recursive;
		2683	}
2224		2684
		2685	}
		2686
2225	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2687	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2226		2688
2227	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
2228	her, loading and preparing them map, calling the provided $check callback	2690	her, loading and preparing them map, calling the provided $check callback
2229	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
2230	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 >>.
2231		2697
2232	=cut	2698	=cut
2233		2699
2234	our $GOTOGEN;	2700	our $GOTOGEN;
2235		2701
2236	sub cf::object::player::goto {	2702	sub cf::object::player::goto {
2237	my ($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	}
2238		2710
2239	# 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
2240	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2712	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2241		2713
2242	$self->enter_link;	2714	$self->enter_link;
2243		2715
2244	(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
2245	my $map = eval {	2738	my $map = eval {
2246	my $map = cf::map::find $path;	2739	my $map = defined $path ? cf::map::find $path : undef;
2247		2740
2248	if ($map) {	2741	if ($map) {
2249	$map = $map->customise_for ($self);	2742	$map = $map->customise_for ($self);
2250	$map = $check->($map) if $check && $map;	2743	$map = $check->($map, $x, $y, $self) if $check && $map;
2251	} else {	2744	} else {
2252	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2745	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2253	}	2746	}
2254		2747
2255	$map	2748	$map
2256	};	2749	};
2257		2750
…		…
2262		2755
2263	if ($gen == $self->{_goto_generation}) {	2756	if ($gen == $self->{_goto_generation}) {
2264	delete $self->{_goto_generation};	2757	delete $self->{_goto_generation};
2265	$self->leave_link ($map, $x, $y);	2758	$self->leave_link ($map, $x, $y);
2266	}	2759	}
		2760
		2761	$done->($self) if $done;
2267	})->prio (1);	2762	})->prio (1);
2268	}	2763	}
2269		2764
2270	=item $player_object->enter_exit ($exit_object)	2765	=item $player_object->enter_exit ($exit_object)
2271		2766
…		…
2291	}	2786	}
2292		2787
2293	sub prepare_random_map {	2788	sub prepare_random_map {
2294	my ($exit) = @_;	2789	my ($exit) = @_;
2295		2790
2296	my $guard = cf::lock_acquire "exit_prepare:$exit";
2297
2298	# all this does is basically replace the /! path by	2791	# all this does is basically replace the /! path by
2299	# a new random map path (?random/...) with a seed	2792	# a new random map path (?random/...) with a seed
2300	# that depends on the exit object	2793	# that depends on the exit object
2301		2794
2302	my $rmp = parse_random_map_params $exit->msg;	2795	my $rmp = parse_random_map_params $exit->msg;
…		…
2304	if ($exit->map) {	2797	if ($exit->map) {
2305	$rmp->{region} = $exit->region->name;	2798	$rmp->{region} = $exit->region->name;
2306	$rmp->{origin_map} = $exit->map->path;	2799	$rmp->{origin_map} = $exit->map->path;
2307	$rmp->{origin_x} = $exit->x;	2800	$rmp->{origin_x} = $exit->x;
2308	$rmp->{origin_y} = $exit->y;	2801	$rmp->{origin_y} = $exit->y;
		2802
		2803	$exit->map->touch;
2309	}	2804	}
2310		2805
2311	$rmp->{random_seed} ||= $exit->random_seed;	2806	$rmp->{random_seed} ||= $exit->random_seed;
2312		2807
2313	my $data = cf::to_json $rmp;	2808	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2314	my $md5 = Digest::MD5::md5_hex $data;	2809	my $md5 = Digest::MD5::md5_hex $data;
2315	my $meta = "$RANDOMDIR/$md5.meta";	2810	my $meta = "$RANDOMDIR/$md5.meta";
2316		2811
2317	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2812	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2318	aio_write $fh, 0, (length $data), $data, 0;	2813	aio_write $fh, 0, (length $data), $data, 0;
2319	undef $fh;	2814	undef $fh;
2320	aio_rename "$meta~", $meta;	2815	aio_rename "$meta~", $meta;
2321		2816
		2817	my $slaying = "?random/$md5";
		2818
		2819	if ($exit->valid) {
2322	$exit->slaying ("?random/$md5");	2820	$exit->slaying ("?random/$md5");
2323	$exit->msg (undef);	2821	$exit->msg (undef);
		2822	}
2324	}	2823	}
2325	}	2824	}
2326		2825
2327	sub cf::object::player::enter_exit {	2826	sub cf::object::player::enter_exit {
2328	my ($self, $exit) = @_;	2827	my ($self, $exit) = @_;
2329		2828
2330	return unless $self->type == cf::PLAYER;	2829	return unless $self->type == cf::PLAYER;
2331		2830
2332	if ($exit->slaying eq "/!") {
2333	#TODO: this should de-fi-ni-te-ly not be a sync-job
2334	# the problem is that $exit might not survive long enough
2335	# so it needs to be done right now, right here
2336	cf::sync_job { prepare_random_map $exit };
2337	}
2338
2339	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2340	my $hp = $exit->stats->hp;
2341	my $sp = $exit->stats->sp;
2342
2343	$self->enter_link;	2831	$self->enter_link;
2344		2832
2345	(async {	2833	(async {
2346	$self->deactivate_recursive; # just to be sure	2834	$Coro::current->{desc} = "enter_exit";
		2835
2347	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
2348	$self->goto ($slaying, $hp, $sp);	2851	$self->goto ($map, $x, $y);
2349		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
2350	1;	2857	1
2351	}) {	2858	}) {
2352	$self->message ("Something went wrong deep within the crossfire server. "	2859	$self->message ("Something went wrong deep within the deliantra server. "
2353	. "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. "
2354	. "Please report this to the dungeon master!",	2861	. "Please report this to the dungeon master!",
2355	cf::NDI_UNIQUE | cf::NDI_RED);	2862	cf::NDI_UNIQUE | cf::NDI_RED);
2356		2863
2357	warn "ERROR in enter_exit: $@";	2864	error "ERROR in enter_exit: $@";
2358	$self->leave_link;	2865	$self->leave_link;
2359	}	2866	}
2360	})->prio (1);	2867	})->prio (1);
2361	}	2868	}
2362		2869
…		…
2376		2883
2377	utf8::encode $text;	2884	utf8::encode $text;
2378	$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);
2379	}	2886	}
2380		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
2381	=item $client->send_msg ($color, $type, $msg, [extra...])	2913	=item $client->send_msg ($channel, $msg, $color, [extra...])
2382		2914
2383	Send a drawinfo or msg packet to the client, formatting the msg for the	2915	Send a drawinfo or msg packet to the client, formatting the msg for the
2384	client if neccessary. C<$type> should be a string identifying the type of	2916	client if neccessary. C<$type> should be a string identifying the type of
2385	the message, with C<log> being the default. If C<$color> is negative, suppress	2917	the message, with C<log> being the default. If C<$color> is negative, suppress
2386	the message unless the client supports the msg packet.	2918	the message unless the client supports the msg packet.
2387		2919
2388	=cut	2920	=cut
2389		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" => $CHAT_CHANNEL,
		3034	);
		3035
2390	sub cf::client::send_msg {	3036	sub cf::client::send_msg {
2391	my ($self, $color, $type, $msg, @extra) = @_;	3037	my ($self, $channel, $msg, $color, @extra) = @_;
2392		3038
2393	$msg = $self->pl->expand_cfpod ($msg);	3039	$msg = $self->pl->expand_cfpod ($msg)
		3040	unless $color & cf::NDI_VERBATIM;
2394		3041
2395	if ($self->can_msg) {	3042	$color &= cf::NDI_CLIENT_MASK; # just in case...
2396	$self->send_packet ("msg " . cf::to_json [$color, $type, $msg, @extra]);
2397	} else {
2398	# replace some tags by gcfclient-compatible ones
2399	for ($msg) {
2400	1 while
2401	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2402	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2403	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2404	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2405	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2406	}
2407		3043
2408	if ($color >= 0) {	3044	# check predefined channels, for the benefit of C
2409	if (0 && $msg =~ /\[/) {	3045	if ($CHANNEL{$channel}) {
2410	$self->send_packet ("drawextinfo $color 4 0 $msg")	3046	$channel = $CHANNEL{$channel};
2411	} else {	3047
2412	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	3048	$self->ext_msg (channel_info => $channel);
2413	$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);
2414	}	3056	}
2415	}
2416	}
2417	}
2418		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
2419	=item $client->ext_event ($type, %msg)	3075	=item $client->ext_msg ($type, @msg)
2420		3076
2421	Sends an ext event to the client.	3077	Sends an ext event to the client.
2422		3078
2423	=cut	3079	=cut
2424		3080
2425	sub cf::client::ext_event($$%) {	3081	sub cf::client::ext_msg($$@) {
2426	my ($self, $type, %msg) = @_;	3082	my ($self, $type, @msg) = @_;
2427		3083
		3084	if ($self->extcmd == 2) {
		3085	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3086	} elsif ($self->extcmd == 1) { # TODO: remove
2428	$msg{msgtype} = "event_$type";	3087	push @msg, msgtype => "event_$type";
2429	$self->send_packet ("ext " . cf::to_json \%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	}
2430	}	3108	}
2431		3109
2432	=item $success = $client->query ($flags, "text", \&cb)	3110	=item $success = $client->query ($flags, "text", \&cb)
2433		3111
2434	Queues a query to the client, calling the given callback with	3112	Queues a query to the client, calling the given callback with
…		…
2457		3135
2458	1	3136	1
2459	}	3137	}
2460		3138
2461	cf::client->attach (	3139	cf::client->attach (
		3140	on_connect => sub {
		3141	my ($ns) = @_;
		3142
		3143	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3144	},
2462	on_reply => sub {	3145	on_reply => sub {
2463	my ($ns, $msg) = @_;	3146	my ($ns, $msg) = @_;
2464		3147
2465	# this weird shuffling is so that direct followup queries	3148	# this weird shuffling is so that direct followup queries
2466	# get handled first	3149	# get handled first
…		…
2481	}	3164	}
2482	},	3165	},
2483	on_exticmd => sub {	3166	on_exticmd => sub {
2484	my ($ns, $buf) = @_;	3167	my ($ns, $buf) = @_;
2485		3168
2486	my $msg = eval { from_json $buf };	3169	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2487		3170
2488	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
2489	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3179	if (my $cb = $EXTICMD{$type}) {
2490	if (my %reply = $cb->($ns, $msg)) {	3180	@reply = $cb->($ns, @payload);
2491	$reply{msgid} = $msg->{msgid};
2492	$ns->send ("ext " . cf::to_json \%reply);
2493	}
2494	}	3181	}
		3182
		3183	$ns->ext_reply ($reply, @reply)
		3184	if $reply;
		3185
2495	} else {	3186	} else {
2496	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";
2497	}	3188	}
2498		3189
2499	cf::override;	3190	cf::override;
2500	},	3191	},
2501	);	3192	);
…		…
2521		3212
2522	$coro	3213	$coro
2523	}	3214	}
2524		3215
2525	cf::client->attach (	3216	cf::client->attach (
2526	on_destroy => sub {	3217	on_client_destroy => sub {
2527	my ($ns) = @_;	3218	my ($ns) = @_;
2528		3219
2529	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3220	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2530	},	3221	},
2531	);	3222	);
…		…
2546	our $safe = new Safe "safe";	3237	our $safe = new Safe "safe";
2547	our $safe_hole = new Safe::Hole;	3238	our $safe_hole = new Safe::Hole;
2548		3239
2549	$SIG{FPE} = 'IGNORE';	3240	$SIG{FPE} = 'IGNORE';
2550		3241
2551	$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	));
2552		3247
2553	# here we export the classes and methods available to script code	3248	# here we export the classes and methods available to script code
2554		3249
2555	=pod	3250	=pod
2556		3251
2557	The following functions and methods are available within a safe environment:	3252	The following functions and methods are available within a safe environment:
2558		3253
2559	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
2560	cf::object::player player	3259	cf::object::player
2561	cf::player peaceful	3260	player
2562	cf::map trigger	3261
		3262	cf::player
		3263	peaceful
		3264
		3265	cf::map
		3266	trigger
2563		3267
2564	=cut	3268	=cut
2565		3269
2566	for (	3270	for (
2567	["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)],
2568	["cf::object::player" => qw(player)],	3274	["cf::object::player" => qw(player)],
2569	["cf::player" => qw(peaceful)],	3275	["cf::player" => qw(peaceful send_msg)],
2570	["cf::map" => qw(trigger)],	3276	["cf::map" => qw(trigger)],
2571	) {	3277	) {
2572	no strict 'refs';	3278	no strict 'refs';
2573	my ($pkg, @funs) = @$_;	3279	my ($pkg, @funs) = @$_;
2574	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3280	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2592		3298
2593	my $qcode = $code;	3299	my $qcode = $code;
2594	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3300	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2595	$qcode =~ s/\n/\\n/g;	3301	$qcode =~ s/\n/\\n/g;
2596		3302
		3303	%vars = (_dummy => 0) unless %vars;
		3304
		3305	my @res;
2597	local $_;	3306	local $_;
2598	local @safe::cf::_safe_eval_args = values %vars;
2599		3307
2600	my $eval =	3308	my $eval =
2601	"do {\n"	3309	"do {\n"
2602	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3310	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2603	. "#line 0 \"{$qcode}\"\n"	3311	. "#line 0 \"{$qcode}\"\n"
2604	. $code	3312	. $code
2605	. "\n}"	3313	. "\n}"
2606	;	3314	;
2607		3315
		3316	if ($CFG{safe_eval}) {
2608	sub_generation_inc;	3317	sub_generation_inc;
		3318	local @safe::cf::_safe_eval_args = values %vars;
2609	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3319	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2610	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	}
2611		3325
2612	if ($@) {	3326	if ($@) {
2613	warn "$@";	3327	warn "$@",
2614	warn "while executing safe code '$code'\n";	3328	"while executing safe code '$code'\n",
2615	warn "with arguments " . (join " ", %vars) . "\n";	3329	"with arguments " . (join " ", %vars) . "\n";
2616	}	3330	}
2617		3331
2618	wantarray ? @res : $res[0]	3332	wantarray ? @res : $res[0]
2619	}	3333	}
2620		3334
…		…
2634	=cut	3348	=cut
2635		3349
2636	sub register_script_function {	3350	sub register_script_function {
2637	my ($fun, $cb) = @_;	3351	my ($fun, $cb) = @_;
2638		3352
2639	no strict 'refs';	3353	$fun = "safe::$fun" if $CFG{safe_eval};
2640	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3354	*$fun = $safe_hole->wrap ($cb);
2641	}	3355	}
2642		3356
2643	=back	3357	=back
2644		3358
2645	=cut	3359	=cut
…		…
2648	# the server's init and main functions	3362	# the server's init and main functions
2649		3363
2650	sub load_facedata($) {	3364	sub load_facedata($) {
2651	my ($path) = @_;	3365	my ($path) = @_;
2652		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
2653	warn "loading facedata from $path\n";	3373	trace "loading facedata from $path\n";
2654		3374
2655	my $facedata;	3375	my $facedata;
2656	0 < aio_load $path, $facedata	3376	0 < aio_load $path, $facedata
2657	or die "$path: $!";	3377	or die "$path: $!";
2658		3378
2659	$facedata = Coro::Storable::thaw $facedata;	3379	$facedata = Coro::Storable::thaw $facedata;
2660		3380
2661	$facedata->{version} == 2	3381	$facedata->{version} == 2
2662	or cf::cleanup "$path: version mismatch, cannot proceed.";	3382	or cf::cleanup "$path: version mismatch, cannot proceed.";
2663		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
2664	{	3393	{
2665	my $faces = $facedata->{faceinfo};	3394	my $faces = $facedata->{faceinfo};
2666		3395
2667	while (my ($face, $info) = each %$faces) {	3396	while (my ($face, $info) = each %$faces) {
2668	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3397	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3398
2669	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3399	cf::face::set_visibility $idx, $info->{visibility};
		3400	cf::face::set_magicmap $idx, $info->{magicmap};
2670	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3401	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2671	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3402	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2672	Coro::cede;	3403
		3404	cf::cede_to_tick;
2673	}	3405	}
2674		3406
2675	while (my ($face, $info) = each %$faces) {	3407	while (my ($face, $info) = each %$faces) {
2676	next unless $info->{smooth};	3408	next unless $info->{smooth};
		3409
2677	my $idx = cf::face::find $face	3410	my $idx = cf::face::find $face
2678	or next;	3411	or next;
		3412
2679	if (my $smooth = cf::face::find $info->{smooth}) {	3413	if (my $smooth = cf::face::find $info->{smooth}) {
		3414	cf::face::set_smooth $idx, $smooth;
2680	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3415	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2681	} else {	3416	} else {
2682	warn "smooth face '$info->{smooth}' not found for face '$face'";	3417	error "smooth face '$info->{smooth}' not found for face '$face'";
2683	}	3418	}
2684	Coro::cede;	3419
		3420	cf::cede_to_tick;
2685	}	3421	}
2686	}	3422	}
2687		3423
2688	{	3424	{
2689	my $anims = $facedata->{animinfo};	3425	my $anims = $facedata->{animinfo};
2690		3426
2691	while (my ($anim, $info) = each %$anims) {	3427	while (my ($anim, $info) = each %$anims) {
2692	cf::anim::set $anim, $info->{frames}, $info->{facings};	3428	cf::anim::set $anim, $info->{frames}, $info->{facings};
2693	Coro::cede;	3429	cf::cede_to_tick;
2694	}	3430	}
2695		3431
2696	cf::anim::invalidate_all; # d'oh	3432	cf::anim::invalidate_all; # d'oh
2697	}	3433	}
2698		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
2699	1	3454	1
2700	}	3455	}
2701		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
2702	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
2703	load_resource_file "$MAPDIR/regions"	3480	load_resource_file "$MAPDIR/regions"
2704	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	}
2705	}	3487	}
2706		3488
2707	sub reload_facedata {	3489	sub reload_facedata {
2708	load_facedata "$DATADIR/facedata"	3490	load_facedata "$DATADIR/facedata"
2709	or die "unable to load facedata\n";	3491	or die "unable to load facedata\n";
…		…
2717	sub reload_treasures {	3499	sub reload_treasures {
2718	load_resource_file "$DATADIR/treasures"	3500	load_resource_file "$DATADIR/treasures"
2719	or die "unable to load treasurelists\n";	3501	or die "unable to load treasurelists\n";
2720	}	3502	}
2721		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
2722	sub reload_resources {	3527	sub reload_resources {
2723	warn "reloading resource files...\n";	3528	trace "reloading resource files...\n";
2724		3529
		3530	reload_facedata;
		3531	reload_sound;
		3532	reload_archetypes;
2725	reload_regions;	3533	reload_regions;
2726	reload_facedata;
2727	#reload_archetypes;#d#
2728	reload_archetypes;
2729	reload_treasures;	3534	reload_treasures;
2730		3535
2731	warn "finished reloading resource files\n";	3536	trace "finished reloading resource files\n";
2732	}	3537	}
2733		3538
2734	sub init {	3539	sub reload_config {
2735	reload_resources;	3540	trace "reloading config file...\n";
2736	}
2737		3541
2738	sub cfg_load {
2739	open my $fh, "<:utf8", "$CONFDIR/config"	3542	open my $fh, "<:utf8", "$CONFDIR/config"
2740	or return;	3543	or return;
2741		3544
2742	local $/;	3545	local $/;
2743	*CFG = YAML::Syck::Load <$fh>;	3546	*CFG = YAML::XS::Load scalar <$fh>;
2744		3547
2745	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3548	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2746		3549
2747	$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};
2748	$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};
2749		3552
2750	if (exists $CFG{mlockall}) {	3553	if (exists $CFG{mlockall}) {
…		…
2752	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3555	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2753	and die "WARNING: m(un)lockall failed: $!\n";	3556	and die "WARNING: m(un)lockall failed: $!\n";
2754	};	3557	};
2755	warn $@ if $@;	3558	warn $@ if $@;
2756	}	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;
2757	}	3590	}
2758		3591
2759	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
2760	# we must not ever block the main coroutine	3602	# we must not ever block the main coroutine
2761	local $Coro::idle = sub {	3603	local $Coro::idle = sub {
2762	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#
2763	(async {	3605	(async {
2764	Event::one_event;	3606	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3607	EV::loop EV::LOOP_ONESHOT;
2765	})->prio (Coro::PRIO_MAX);	3608	})->prio (Coro::PRIO_MAX);
2766	};	3609	};
2767		3610
2768	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;
2769	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
2770	load_extensions;	3634	load_extensions;
2771		3635
2772	$TICK_WATCHER->start;	3636	utime time, time, $RUNTIMEFILE;
2773	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;
2774	}	3649	}
2775		3650
2776	#############################################################################	3651	#############################################################################
2777	# initialisation and cleanup	3652	# initialisation and cleanup
2778		3653
2779	# install some emergency cleanup handlers	3654	# install some emergency cleanup handlers
2780	BEGIN {	3655	BEGIN {
		3656	our %SIGWATCHER = ();
2781	for my $signal (qw(INT HUP TERM)) {	3657	for my $signal (qw(INT HUP TERM)) {
2782	Event->signal (	3658	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2783	reentrant => 0,
2784	data => WF_AUTOCANCEL,
2785	signal => $signal,
2786	prio => 0,
2787	cb => sub {
2788	cf::cleanup "SIG$signal";	3659	cf::cleanup "SIG$signal";
2789	},
2790	);	3660	};
2791	}	3661	}
2792	}	3662	}
2793		3663
2794	sub write_runtime {	3664	sub write_runtime_sync {
2795	my $runtime = "$LOCALDIR/runtime";	3665	my $t0 = AE::time;
2796		3666
2797	# first touch the runtime file to show we are still running:	3667	# first touch the runtime file to show we are still running:
2798	# the fsync below can take a very very long time.	3668	# the fsync below can take a very very long time.
2799		3669
2800	IO::AIO::aio_utime $runtime, undef, undef;	3670	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2801		3671
2802	my $guard = cf::lock_acquire "write_runtime";	3672	my $guard = cf::lock_acquire "write_runtime";
2803		3673
2804	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3674	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2805	or return;	3675	or return;
2806		3676
2807	my $value = $cf::RUNTIME + 90 + 10;	3677	my $value = $cf::RUNTIME + 90 + 10;
2808	# 10 is the runtime save interval, for a monotonic clock	3678	# 10 is the runtime save interval, for a monotonic clock
2809	# 60 allows for the watchdog to kill the server.	3679	# 60 allows for the watchdog to kill the server.
…		…
2819	aio_utime $fh, undef, undef;	3689	aio_utime $fh, undef, undef;
2820		3690
2821	close $fh	3691	close $fh
2822	or return;	3692	or return;
2823		3693
2824	aio_rename "$runtime~", $runtime	3694	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2825	and return;	3695	and return;
2826		3696
2827	warn "runtime file written.\n";	3697	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2828		3698
2829	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 };
2830	}	3750	}
2831		3751
2832	sub emergency_save() {	3752	sub emergency_save() {
2833	my $freeze_guard = cf::freeze_mainloop;	3753	my $freeze_guard = cf::freeze_mainloop;
2834		3754
2835	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;
2836		3761
2837	cf::sync_job {	3762	cf::sync_job {
		3763	cf::write_runtime_sync; # external watchdog should not bark
		3764
2838	# use a peculiar iteration method to avoid tripping on perl	3765	# use a peculiar iteration method to avoid tripping on perl
2839	# refcount bugs in for. also avoids problems with players	3766	# refcount bugs in for. also avoids problems with players
2840	# and maps saved/destroyed asynchronously.	3767	# and maps saved/destroyed asynchronously.
2841	warn "begin emergency player save\n";	3768	info "emergency_perl_save: begin player save\n";
2842	for my $login (keys %cf::PLAYER) {	3769	for my $login (keys %cf::PLAYER) {
2843	my $pl = $cf::PLAYER{$login} or next;	3770	my $pl = $cf::PLAYER{$login} or next;
2844	$pl->valid or next;	3771	$pl->valid or next;
		3772	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2845	$pl->save;	3773	$pl->save;
2846	}	3774	}
2847	warn "end emergency player save\n";	3775	info "emergency_perl_save: end player save\n";
2848		3776
2849	warn "begin emergency map save\n";	3777	cf::write_runtime_sync; # external watchdog should not bark
		3778
		3779	info "emergency_perl_save: begin map save\n";
2850	for my $path (keys %cf::MAP) {	3780	for my $path (keys %cf::MAP) {
2851	my $map = $cf::MAP{$path} or next;	3781	my $map = $cf::MAP{$path} or next;
2852	$map->valid or next;	3782	$map->valid or next;
2853	$map->save;	3783	$map->save;
2854	}	3784	}
2855	warn "end emergency map save\n";	3785	info "emergency_perl_save: end map save\n";
2856		3786
2857	warn "begin emergency database checkpoint\n";	3787	cf::write_runtime_sync; # external watchdog should not bark
		3788
		3789	info "emergency_perl_save: begin database checkpoint\n";
2858	BDB::db_env_txn_checkpoint $DB_ENV;	3790	BDB::db_env_txn_checkpoint $DB_ENV;
2859	warn "end emergency database checkpoint\n";	3791	info "emergency_perl_save: end database checkpoint\n";
		3792
		3793	info "emergency_perl_save: begin write uuid\n";
		3794	write_uuid_sync 1;
		3795	info "emergency_perl_save: end write uuid\n";
		3796
		3797	cf::write_runtime_sync; # external watchdog should not bark
		3798
		3799	trace "emergency_perl_save: syncing database to disk";
		3800	BDB::db_env_txn_checkpoint $DB_ENV;
		3801
		3802	info "emergency_perl_save: starting sync()\n";
		3803	IO::AIO::aio_sync sub {
		3804	info "emergency_perl_save: finished sync()\n";
		3805	};
		3806
		3807	cf::write_runtime_sync; # external watchdog should not bark
		3808
		3809	trace "emergency_perl_save: flushing outstanding aio requests";
		3810	while (IO::AIO::nreqs || BDB::nreqs) {
		3811	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3812	}
		3813
		3814	cf::write_runtime_sync; # external watchdog should not bark
2860	};	3815	};
2861		3816
2862	warn "leave emergency perl save\n";	3817	info "emergency_perl_save: leave\n";
2863	}	3818	}
2864		3819
2865	sub post_cleanup {	3820	sub post_cleanup {
2866	my ($make_core) = @_;	3821	my ($make_core) = @_;
2867		3822
		3823	IO::AIO::flush;
		3824
		3825	IO::AIO::flush;
		3826
2868	warn Carp::longmess "post_cleanup backtrace"	3827	error Carp::longmess "post_cleanup backtrace"
2869	if $make_core;	3828	if $make_core;
		3829
		3830	my $fh = pidfile;
		3831	unlink $PIDFILE if <$fh> == $$;
		3832	}
		3833
		3834	# a safer delete_package, copied from Symbol
		3835	sub clear_package($) {
		3836	my $pkg = shift;
		3837
		3838	# expand to full symbol table name if needed
		3839	unless ($pkg =~ /^main::.*::$/) {
		3840	$pkg = "main$pkg" if $pkg =~ /^::/;
		3841	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3842	$pkg .= '::' unless $pkg =~ /::$/;
		3843	}
		3844
		3845	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3846	my $stem_symtab = *{$stem}{HASH};
		3847
		3848	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3849	or return;
		3850
		3851	# clear all symbols
		3852	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3853	for my $name (keys %$leaf_symtab) {
		3854	_gv_clear *{"$pkg$name"};
		3855	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3856	}
2870	}	3857	}
2871		3858
2872	sub do_reload_perl() {	3859	sub do_reload_perl() {
2873	# can/must only be called in main	3860	# can/must only be called in main
2874	if ($Coro::current != $Coro::main) {	3861	if (in_main) {
2875	warn "can only reload from main coroutine";	3862	error "can only reload from main coroutine";
2876	return;	3863	return;
2877	}	3864	}
2878		3865
		3866	return if $RELOAD++;
		3867
		3868	my $t1 = AE::time;
		3869
		3870	while ($RELOAD) {
2879	warn "reloading...";	3871	info "reloading...";
2880		3872
2881	warn "entering sync_job";	3873	trace "entering sync_job";
2882		3874
2883	cf::sync_job {	3875	cf::sync_job {
2884	cf::write_runtime; # external watchdog should not bark
2885	cf::emergency_save;	3876	cf::emergency_save;
2886	cf::write_runtime; # external watchdog should not bark
2887		3877
2888	warn "syncing database to disk";
2889	BDB::db_env_txn_checkpoint $DB_ENV;
2890
2891	# if anything goes wrong in here, we should simply crash as we already saved
2892
2893	warn "cancelling all WF_AUTOCANCEL watchers";
2894	for (Event::all_watchers) {
2895	$_->cancel if $_->data & WF_AUTOCANCEL;
2896	}
2897
2898	warn "flushing outstanding aio requests";
2899	for (;;) {
2900	BDB::flush;
2901	IO::AIO::flush;
2902	Coro::cede;
2903	last unless IO::AIO::nreqs || BDB::nreqs;
2904	warn "iterate...";
2905	}
2906
2907	++$RELOAD;
2908
2909	warn "cancelling all extension coros";	3878	trace "cancelling all extension coros";
2910	$_->cancel for values %EXT_CORO;	3879	$_->cancel for values %EXT_CORO;
2911	%EXT_CORO = ();	3880	%EXT_CORO = ();
2912		3881
2913	warn "removing commands";	3882	trace "removing commands";
2914	%COMMAND = ();	3883	%COMMAND = ();
2915		3884
2916	warn "removing ext/exti commands";	3885	trace "removing ext/exti commands";
2917	%EXTCMD = ();	3886	%EXTCMD = ();
2918	%EXTICMD = ();	3887	%EXTICMD = ();
2919		3888
2920	warn "unloading/nuking all extensions";	3889	trace "unloading/nuking all extensions";
2921	for my $pkg (@EXTS) {	3890	for my $pkg (@EXTS) {
2922	warn "... unloading $pkg";	3891	trace "... unloading $pkg";
2923		3892
2924	if (my $cb = $pkg->can ("unload")) {	3893	if (my $cb = $pkg->can ("unload")) {
2925	eval {	3894	eval {
2926	$cb->($pkg);	3895	$cb->($pkg);
2927	1	3896	1
2928	} or warn "$pkg unloaded, but with errors: $@";	3897	} or error "$pkg unloaded, but with errors: $@";
		3898	}
		3899
		3900	trace "... clearing $pkg";
		3901	clear_package $pkg;
2929	}	3902	}
2930		3903
2931	warn "... nuking $pkg";
2932	Symbol::delete_package $pkg;
2933	}
2934
2935	warn "unloading all perl modules loaded from $LIBDIR";	3904	trace "unloading all perl modules loaded from $LIBDIR";
2936	while (my ($k, $v) = each %INC) {	3905	while (my ($k, $v) = each %INC) {
2937	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3906	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2938		3907
2939	warn "... unloading $k";	3908	trace "... unloading $k";
2940	delete $INC{$k};	3909	delete $INC{$k};
2941		3910
2942	$k =~ s/\.pm$//;	3911	$k =~ s/\.pm$//;
2943	$k =~ s/\//::/g;	3912	$k =~ s/\//::/g;
2944		3913
2945	if (my $cb = $k->can ("unload_module")) {	3914	if (my $cb = $k->can ("unload_module")) {
2946	$cb->();	3915	$cb->();
		3916	}
		3917
		3918	clear_package $k;
2947	}	3919	}
2948		3920
2949	Symbol::delete_package $k;
2950	}
2951
2952	warn "getting rid of safe::, as good as possible";	3921	trace "getting rid of safe::, as good as possible";
2953	Symbol::delete_package "safe::$_"	3922	clear_package "safe::$_"
2954	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3923	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2955		3924
2956	warn "unloading cf.pm \"a bit\"";	3925	trace "unloading cf.pm \"a bit\"";
2957	delete $INC{"cf.pm"};	3926	delete $INC{"cf.pm"};
2958	delete $INC{"cf/pod.pm"};	3927	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2959		3928
2960	# don't, removes xs symbols, too,	3929	# don't, removes xs symbols, too,
2961	# and global variables created in xs	3930	# and global variables created in xs
2962	#Symbol::delete_package __PACKAGE__;	3931	#clear_package __PACKAGE__;
2963		3932
2964	warn "unload completed, starting to reload now";	3933	info "unload completed, starting to reload now";
2965		3934
2966	warn "reloading cf.pm";	3935	trace "reloading cf.pm";
2967	require cf;	3936	require cf;
2968	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3937	cf::_connect_to_perl_1;
2969		3938
2970	warn "loading config and database again";	3939	trace "loading config and database again";
2971	cf::cfg_load;	3940	cf::reload_config;
2972		3941
2973	warn "loading extensions";	3942	trace "loading extensions";
2974	cf::load_extensions;	3943	cf::load_extensions;
2975		3944
		3945	if ($REATTACH_ON_RELOAD) {
2976	warn "reattaching attachments to objects/players";	3946	trace "reattaching attachments to objects/players";
2977	_global_reattach; # objects, sockets	3947	_global_reattach; # objects, sockets
2978	warn "reattaching attachments to maps";	3948	trace "reattaching attachments to maps";
2979	reattach $_ for values %MAP;	3949	reattach $_ for values %MAP;
2980	warn "reattaching attachments to players";	3950	trace "reattaching attachments to players";
2981	reattach $_ for values %PLAYER;	3951	reattach $_ for values %PLAYER;
		3952	}
2982		3953
		3954	trace "running post_init jobs";
		3955	(pop @POST_INIT)->(1) while @POST_INIT;
		3956
2983	warn "leaving sync_job";	3957	trace "leaving sync_job";
2984		3958
2985	1	3959	1
2986	} or do {	3960	} or do {
2987	warn $@;	3961	error $@;
2988	warn "error while reloading, exiting.";	3962	cf::cleanup "error while reloading, exiting.";
2989	exit 1;	3963	};
		3964
		3965	info "reloaded";
		3966	--$RELOAD;
2990	};	3967	}
2991		3968
2992	warn "reloaded";	3969	$t1 = AE::time - $t1;
		3970	info "reload completed in ${t1}s\n";
2993	};	3971	};
2994		3972
2995	our $RELOAD_WATCHER; # used only during reload	3973	our $RELOAD_WATCHER; # used only during reload
2996		3974
2997	sub reload_perl() {	3975	sub reload_perl() {
2998	# doing reload synchronously and two reloads happen back-to-back,	3976	# doing reload synchronously and two reloads happen back-to-back,
2999	# coro crashes during coro_state_free->destroy here.	3977	# coro crashes during coro_state_free->destroy here.
3000		3978
3001	$RELOAD_WATCHER ||= Event->timer (	3979	$RELOAD_WATCHER ||= cf::async {
3002	reentrant => 0,	3980	Coro::AIO::aio_wait cache_extensions;
3003	after => 0,	3981
3004	data => WF_AUTOCANCEL,	3982	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3005	cb => sub {
3006	do_reload_perl;	3983	do_reload_perl;
3007	undef $RELOAD_WATCHER;	3984	undef $RELOAD_WATCHER;
3008	},	3985	};
3009	);	3986	};
3010	}	3987	}
3011		3988
3012	register_command "reload" => sub {	3989	register_command "reload" => sub {
3013	my ($who, $arg) = @_;	3990	my ($who, $arg) = @_;
3014		3991
3015	if ($who->flag (FLAG_WIZ)) {	3992	if ($who->flag (FLAG_WIZ)) {
3016	$who->message ("reloading server.");	3993	$who->message ("reloading server.");
		3994	async {
		3995	$Coro::current->{desc} = "perl_reload";
3017	async { reload_perl };	3996	reload_perl;
		3997	};
3018	}	3998	}
3019	};	3999	};
3020		4000
3021	unshift @INC, $LIBDIR;	4001	unshift @INC, $LIBDIR;
3022		4002
…		…
3024		4004
3025	our @WAIT_FOR_TICK;	4005	our @WAIT_FOR_TICK;
3026	our @WAIT_FOR_TICK_BEGIN;	4006	our @WAIT_FOR_TICK_BEGIN;
3027		4007
3028	sub wait_for_tick {	4008	sub wait_for_tick {
3029	return unless $TICK_WATCHER->is_active;
3030	return if $Coro::current == $Coro::main;	4009	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3031		4010
3032	my $signal = new Coro::Signal;	4011	my $signal = new Coro::Signal;
3033	push @WAIT_FOR_TICK, $signal;	4012	push @WAIT_FOR_TICK, $signal;
3034	$signal->wait;	4013	$signal->wait;
3035	}	4014	}
3036		4015
3037	sub wait_for_tick_begin {	4016	sub wait_for_tick_begin {
3038	return unless $TICK_WATCHER->is_active;
3039	return if $Coro::current == $Coro::main;	4017	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3040		4018
3041	my $signal = new Coro::Signal;	4019	my $signal = new Coro::Signal;
3042	push @WAIT_FOR_TICK_BEGIN, $signal;	4020	push @WAIT_FOR_TICK_BEGIN, $signal;
3043	$signal->wait;	4021	$signal->wait;
3044	}	4022	}
3045		4023
3046	my $min = 1e6;#d#	4024	sub tick {
3047	my $avg = 10;
3048	$TICK_WATCHER = Event->timer (
3049	reentrant => 0,
3050	parked => 1,
3051	prio => 0,
3052	at => $NEXT_TICK || $TICK,
3053	data => WF_AUTOCANCEL,
3054	cb => sub {
3055	if ($Coro::current != $Coro::main) {	4025	if ($Coro::current != $Coro::main) {
3056	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4026	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3057	unless ++$bug_warning > 10;	4027	unless ++$bug_warning > 10;
3058	return;	4028	return;
3059	}	4029	}
3060		4030
3061	$NOW = $tick_start = Event::time;
3062
3063	cf::server_tick; # one server iteration	4031	cf::server_tick; # one server iteration
3064		4032
3065	0 && sync_job {#d#	4033	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3066	for(1..10) {
3067	my $t = Event::time;
3068	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3069	or die;
3070		4034
3071	$map->width (50);	4035	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3072	$map->height (50);	4036	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3073	$map->alloc;	4037	Coro::async_pool {
3074	$map->_load_objects ("/tmp/x.map", 1);	4038	$Coro::current->{desc} = "runtime saver";
3075	my $t = Event::time - $t;	4039	write_runtime_sync
3076		4040	or error "ERROR: unable to write runtime file: $!";
3077	#next unless $t < 0.0013;#d#
3078	if ($t < $min) {
3079	$min = $t;
3080	}
3081	$avg = $avg * 0.99 + $t * 0.01;
3082	}
3083	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3084	exit 0;
3085	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3086	};	4041	};
		4042	}
3087		4043
3088	$RUNTIME += $TICK;
3089	$NEXT_TICK += $TICK;
3090
3091	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3092	$NEXT_RUNTIME_WRITE = $NOW + 10;
3093	Coro::async_pool {
3094	write_runtime
3095	or warn "ERROR: unable to write runtime file: $!";
3096	};
3097	}
3098
3099	# my $AFTER = Event::time;
3100	# warn $AFTER - $NOW;#d#
3101
3102	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4044	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3103	$sig->send;	4045	$sig->send;
3104	}	4046	}
3105	while (my $sig = shift @WAIT_FOR_TICK) {	4047	while (my $sig = shift @WAIT_FOR_TICK) {
3106	$sig->send;	4048	$sig->send;
3107	}	4049	}
3108		4050
3109	$NOW = Event::time;	4051	$LOAD = ($NOW - $TICK_START) / $TICK;
3110
3111	# if we are delayed by four ticks or more, skip them all
3112	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3113
3114	$TICK_WATCHER->at ($NEXT_TICK);
3115	$TICK_WATCHER->start;
3116
3117	$LOAD = ($NOW - $tick_start) / $TICK;
3118	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4052	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3119		4053
3120	_post_tick;	4054	if (0) {
3121		4055	if ($NEXT_TICK) {
3122		4056	my $jitter = $TICK_START - $NEXT_TICK;
		4057	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4058	debug "jitter $JITTER\n";#d#
		4059	}
3123	},	4060	}
3124	);	4061	}
3125		4062
3126	{	4063	{
3127	BDB::max_poll_time $TICK * 0.1;	4064	# configure BDB
3128	$BDB_POLL_WATCHER = Event->io (	4065
3129	reentrant => 0,
3130	fd => BDB::poll_fileno,
3131	poll => 'r',
3132	prio => 0,
3133	data => WF_AUTOCANCEL,
3134	cb => \&BDB::poll_cb,
3135	);
3136	BDB::min_parallel 8;	4066	BDB::min_parallel 16;
3137		4067	BDB::max_poll_reqs $TICK * 0.1;
3138	BDB::set_sync_prepare {	4068	$AnyEvent::BDB::WATCHER->priority (1);
3139	my $status;
3140	my $current = $Coro::current;
3141	(
3142	sub {
3143	$status = $!;
3144	$current->ready; undef $current;
3145	},
3146	sub {
3147	Coro::schedule while defined $current;
3148	$! = $status;
3149	},
3150	)
3151	};
3152		4069
3153	unless ($DB_ENV) {	4070	unless ($DB_ENV) {
3154	$DB_ENV = BDB::db_env_create;	4071	$DB_ENV = BDB::db_env_create;
		4072	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4073	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4074	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4075	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4076	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3155		4077
3156	cf::sync_job {	4078	cf::sync_job {
3157	eval {	4079	eval {
3158	BDB::db_env_open	4080	BDB::db_env_open
3159	$DB_ENV,	4081	$DB_ENV,
…		…
3161	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4083	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3162	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4084	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3163	0666;	4085	0666;
3164		4086
3165	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4087	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3166
3167	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3168	$DB_ENV->set_lk_detect;
3169	};	4088	};
3170		4089
3171	cf::cleanup "db_env_open(db): $@" if $@;	4090	cf::cleanup "db_env_open(db): $@" if $@;
3172	};	4091	};
3173	}	4092	}
		4093
		4094	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4095	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4096	};
		4097	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4098	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4099	};
		4100	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4101	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4102	};
3174	}	4103	}
3175		4104
3176	{	4105	{
		4106	# configure IO::AIO
		4107
3177	IO::AIO::min_parallel 8;	4108	IO::AIO::min_parallel 8;
3178
3179	undef $Coro::AIO::WATCHER;
3180	IO::AIO::max_poll_time $TICK * 0.1;	4109	IO::AIO::max_poll_time $TICK * 0.1;
3181	$AIO_POLL_WATCHER = Event->io (	4110	undef $AnyEvent::AIO::WATCHER;
3182	reentrant => 0,
3183	data => WF_AUTOCANCEL,
3184	fd => IO::AIO::poll_fileno,
3185	poll => 'r',
3186	prio => 6,
3187	cb => \&IO::AIO::poll_cb,
3188	);
3189	}	4111	}
3190		4112
3191	my $_log_backtrace;	4113	my $_log_backtrace;
3192		4114
3193	sub _log_backtrace {	4115	sub _log_backtrace {
…		…
3196	$msg =~ s/\n//;	4118	$msg =~ s/\n//;
3197		4119
3198	# limit the # of concurrent backtraces	4120	# limit the # of concurrent backtraces
3199	if ($_log_backtrace < 2) {	4121	if ($_log_backtrace < 2) {
3200	++$_log_backtrace;	4122	++$_log_backtrace;
		4123	my $perl_bt = Carp::longmess $msg;
3201	async {	4124	async {
		4125	$Coro::current->{desc} = "abt $msg";
		4126
3202	my @bt = fork_call {	4127	my @bt = fork_call {
3203	@addr = map { sprintf "%x", $_ } @addr;	4128	@addr = map { sprintf "%x", $_ } @addr;
3204	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4129	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3205	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4130	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3206	or die "addr2line: $!";	4131	or die "addr2line: $!";
…		…
3214	}	4139	}
3215		4140
3216	@funcs	4141	@funcs
3217	};	4142	};
3218		4143
3219	LOG llevInfo, "[ABT] $msg\n";	4144	LOG llevInfo, "[ABT] $perl_bt\n";
		4145	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3220	LOG llevInfo, "[ABT] $_\n" for @bt;	4146	LOG llevInfo, "[ABT] $_\n" for @bt;
3221	--$_log_backtrace;	4147	--$_log_backtrace;
3222	};	4148	};
3223	} else {	4149	} else {
3224	LOG llevInfo, "[ABT] $msg\n";	4150	LOG llevInfo, "[ABT] $msg\n";
3225	LOG llevInfo, "[ABT] [suppressed]\n";	4151	LOG llevInfo, "[ABT] [suppressed]\n";
3226	}	4152	}
3227	}	4153	}
3228		4154
3229	# load additional modules	4155	# load additional modules
3230	use cf::pod;	4156	require "cf/$_.pm" for @EXTRA_MODULES;
		4157	cf::_connect_to_perl_2;
3231		4158
3232	END { cf::emergency_save }	4159	END { cf::emergency_save }
3233		4160
3234	1	4161	1
3235		4162

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