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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.364 by root, Tue Sep 11 08:41:11 2007 UTC vs.
Revision 1.560 by root, Fri Apr 22 02:03:12 2011 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
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.64 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
24	use Coro::Util ();	51	use Coro::Util ();
25		52
26	use JSON::XS ();	53	use JSON::XS 2.01 ();
27	use BDB ();	54	use BDB ();
28	use Data::Dumper;	55	use Data::Dumper;
29	use Digest::MD5;
30	use Fcntl;	56	use Fcntl;
31	use YAML::Syck ();	57	use YAML::XS ();
32	use IO::AIO 2.32 ();	58	use IO::AIO ();
33	use Time::HiRes;	59	use Time::HiRes;
34	use Compress::LZF;	60	use Compress::LZF;
35	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
36		64
37	# configure various modules to our taste	65	# configure various modules to our taste
38	#	66	#
39	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42		75
43	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
44		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		78
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
51		82
52	our %COMMAND = ();	83	our %COMMAND = ();
53	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
54		85
55	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
56	our %EXTCMD = ();	87	our %EXTCMD = ();
57	our %EXTICMD = ();	88	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
60		91
61	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
63		96
64	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
65	our $DATADIR = datadir;	99	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
69	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
75		120
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	123	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
83		125
84	our $BDB_POLL_WATCHER;	126	our $BDB_DEADLOCK_WATCHER;
85	our $BDB_CHECKPOINT_WATCHER;	127	our $BDB_CHECKPOINT_WATCHER;
86	our $BDB_TRICKLE_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
87	our $DB_ENV;	129	our $DB_ENV;
88		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		132
89	our %CFG;	133	our %CFG;
90		134
91	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
92	our $RUNTIME;	136	our $RUNTIME;
		137	our $NOW;
93		138
94	our (%PLAYER, %PLAYER_LOADING); # all users	139	our (%PLAYER, %PLAYER_LOADING); # all users
95	our (%MAP, %MAP_LOADING ); # all maps	140	our (%MAP, %MAP_LOADING ); # all maps
96	our $LINK_MAP; # the special {link} map, which is always available	141	our $LINK_MAP; # the special {link} map, which is always available
97		142
98	# used to convert map paths into valid unix filenames by replacing / by ∕	143	# used to convert map paths into valid unix filenames by replacing / by ∕
99	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	144	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
100		145
101	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	146	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
102	our $LOADAVG; # same thing, but with alpha-smoothing	147	our $LOADAVG; # same thing, but with alpha-smoothing
		148	our $JITTER; # average jitter
103	our $tick_start; # for load detecting purposes	149	our $TICK_START; # for load detecting purposes
		150
		151	our @POST_INIT;
		152
		153	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		154	our $REALLY_UNLOOP; # never set to true, please :)
104		155
105	binmode STDOUT;	156	binmode STDOUT;
106	binmode STDERR;	157	binmode STDERR;
107		158
108	# read virtual server time, if available	159	# read virtual server time, if available
109	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	160	unless ($RUNTIME || !-e $RUNTIMEFILE) {
110	open my $fh, "<", "$LOCALDIR/runtime"	161	open my $fh, "<", $RUNTIMEFILE
111	or die "unable to read runtime file: $!";	162	or die "unable to read $RUNTIMEFILE file: $!";
112	$RUNTIME = <$fh> + 0.;	163	$RUNTIME = <$fh> + 0.;
113	}	164	}
		165
		166	eval "sub TICK() { $TICK } 1" or die;
114		167
115	mkdir $_	168	mkdir $_
116	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	169	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
117		170
118	our $EMERGENCY_POSITION;	171	our $EMERGENCY_POSITION;
119		172
120	sub cf::map::normalise;	173	sub cf::map::normalise;
		174
		175	sub in_main() {
		176	$Coro::current == $Coro::main
		177	}
		178
		179	#############################################################################
		180
		181	%REFLECT = ();
		182	for (@REFLECT) {
		183	my $reflect = JSON::XS::decode_json $_;
		184	$REFLECT{$reflect->{class}} = $reflect;
		185	}
		186
		187	# this is decidedly evil
		188	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
121		189
122	#############################################################################	190	#############################################################################
123		191
124	=head2 GLOBAL VARIABLES	192	=head2 GLOBAL VARIABLES
125		193
…		…
161		229
162	The raw value load value from the last tick.	230	The raw value load value from the last tick.
163		231
164	=item %cf::CFG	232	=item %cf::CFG
165		233
166	Configuration for the server, loaded from C</etc/crossfire/config>, or	234	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
167	from wherever your confdir points to.	235	from wherever your confdir points to.
168		236
169	=item cf::wait_for_tick, cf::wait_for_tick_begin	237	=item cf::wait_for_tick, cf::wait_for_tick_begin
170		238
171	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	239	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
172	returns directly I<after> the tick processing (and consequently, can only wake one process	240	returns directly I<after> the tick processing (and consequently, can only wake one thread
173	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	241	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
174		242
		243	=cut
		244
		245	sub wait_for_tick();
		246	sub wait_for_tick_begin();
		247
175	=item @cf::INVOKE_RESULTS	248	=item @cf::INVOKE_RESULTS
176		249
177	This array contains the results of the last C<invoke ()> call. When	250	This array contains the results of the last C<invoke ()> call. When
178	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	251	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
179	that call.	252	that call.
180		253
		254	=item %cf::REFLECT
		255
		256	Contains, for each (C++) class name, a hash reference with information
		257	about object members (methods, scalars, arrays and flags) and other
		258	metadata, which is useful for introspection.
		259
181	=back	260	=back
182		261
183	=cut	262	=cut
184		263
185	BEGIN {	264	sub error(@) { LOG llevError, join "", @_ }
186	*CORE::GLOBAL::warn = sub {	265	sub warn (@) { LOG llevWarn , join "", @_ }
		266	sub info (@) { LOG llevInfo , join "", @_ }
		267	sub debug(@) { LOG llevDebug, join "", @_ }
		268	sub trace(@) { LOG llevTrace, join "", @_ }
		269
		270	$Coro::State::WARNHOOK = sub {
187	my $msg = join "", @_;	271	my $msg = join "", @_;
188		272
189	$msg .= "\n"	273	$msg .= "\n"
190	unless $msg =~ /\n$/;	274	unless $msg =~ /\n$/;
191		275
192	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	276	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
193		277
194	LOG llevError, $msg;	278	LOG llevWarn, $msg;
195	};	279	};
196	}	280
		281	$Coro::State::DIEHOOK = sub {
		282	return unless $^S eq 0; # "eq", not "=="
		283
		284	error Carp::longmess $_[0];
		285
		286	if (in_main) {#d#
		287	error "DIEHOOK called in main context, Coro bug?\n";#d#
		288	return;#d#
		289	}#d#
		290
		291	# kill coroutine otherwise
		292	Coro::terminate
		293	};
197		294
198	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	295	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
199	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	296	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
200	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	297	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
201	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	298	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
208	for my $pkg (qw(	305	for my $pkg (qw(
209	cf::global cf::attachable	306	cf::global cf::attachable
210	cf::object cf::object::player	307	cf::object cf::object::player
211	cf::client cf::player	308	cf::client cf::player
212	cf::arch cf::living	309	cf::arch cf::living
		310	cf::map cf::mapspace
213	cf::map cf::party cf::region	311	cf::party cf::region
214	)) {	312	)) {
215	no strict 'refs';
216	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	313	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
217	}	314	}
218		315
219	$Event::DIED = sub {	316	$EV::DIED = sub {
220	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
221	};	318	};
		319
		320	#############################################################################
		321
		322	sub fork_call(&@);
		323	sub get_slot($;$$);
222		324
223	#############################################################################	325	#############################################################################
224		326
225	=head2 UTILITY FUNCTIONS	327	=head2 UTILITY FUNCTIONS
226		328
…		…
247	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	349	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
248	$d	350	$d
249	} || "[unable to dump $_[0]: '$@']";	351	} || "[unable to dump $_[0]: '$@']";
250	}	352	}
251		353
		354	=item $scalar = load_file $path
		355
		356	Loads the given file from path and returns its contents. Croaks on error
		357	and can block.
		358
		359	=cut
		360
		361	sub load_file($) {
		362	0 <= aio_load $_[0], my $data
		363	or Carp::croak "$_[0]: $!";
		364
		365	$data
		366	}
		367
252	=item $ref = cf::from_json $json	368	=item $ref = cf::decode_json $json
253		369
254	Converts a JSON string into the corresponding perl data structure.	370	Converts a JSON string into the corresponding perl data structure.
255		371
256	=item $json = cf::to_json $ref	372	=item $json = cf::encode_json $ref
257		373
258	Converts a perl data structure into its JSON representation.	374	Converts a perl data structure into its JSON representation.
259		375
260	=cut	376	=cut
261		377
262	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	378	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
263		379
264	sub to_json ($) { $json_coder->encode ($_[0]) }	380	sub encode_json($) { $json_coder->encode ($_[0]) }
265	sub from_json ($) { $json_coder->decode ($_[0]) }	381	sub decode_json($) { $json_coder->decode ($_[0]) }
		382
		383	=item $ref = cf::decode_storable $scalar
		384
		385	Same as Coro::Storable::thaw, so blocks.
		386
		387	=cut
		388
		389	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		390
		391	=item $ref = cf::decode_yaml $scalar
		392
		393	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		394
		395	=cut
		396
		397	sub decode_yaml($) {
		398	fork_call { YAML::XS::Load $_[0] } @_
		399	}
		400
		401	=item $scalar = cf::unlzf $scalar
		402
		403	Same as Compress::LZF::compress, but takes server ticks into account, so
		404	blocks.
		405
		406	=cut
		407
		408	sub unlzf($) {
		409	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		410	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		411	Compress::LZF::decompress $_[0]
		412	}
		413
		414	=item cf::post_init { BLOCK }
		415
		416	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		417	but I<before> the server starts ticking again.
		418
		419	The codeblock will have a single boolean argument to indicate whether this
		420	is a reload or not.
		421
		422	=cut
		423
		424	sub post_init(&) {
		425	push @POST_INIT, shift;
		426	}
		427
		428	sub _post_init {
		429	trace "running post_init jobs";
		430
		431	# run them in parallel...
		432
		433	my @join;
		434
		435	while () {
		436	push @join, map &Coro::async ($_, 0), @POST_INIT;
		437	@POST_INIT = ();
		438
		439	@join or last;
		440
		441	(pop @join)->join;
		442	}
		443	}
266		444
267	=item cf::lock_wait $string	445	=item cf::lock_wait $string
268		446
269	Wait until the given lock is available. See cf::lock_acquire.	447	Wait until the given lock is available. See cf::lock_acquire.
270		448
271	=item my $lock = cf::lock_acquire $string	449	=item my $lock = cf::lock_acquire $string
272		450
273	Wait until the given lock is available and then acquires it and returns	451	Wait until the given lock is available and then acquires it and returns
274	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	452	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
275	for example when the coroutine gets canceled), the lock is automatically	453	for example when the coroutine gets canceled), the lock is automatically
276	returned.	454	returned.
277		455
278	Locks are *not* recursive, locking from the same coro twice results in a	456	Locks are *not* recursive, locking from the same coro twice results in a
279	deadlocked coro.	457	deadlocked coro.
…		…
285		463
286	Return true if the lock is currently active, i.e. somebody has locked it.	464	Return true if the lock is currently active, i.e. somebody has locked it.
287		465
288	=cut	466	=cut
289		467
290	our %LOCK;	468	our $LOCKS = new Coro::SemaphoreSet;
291	our %LOCKER;#d#
292		469
293	sub lock_wait($) {	470	sub lock_wait($) {
294	my ($key) = @_;	471	$LOCKS->wait ($_[0]);
295
296	if ($LOCKER{$key} == $Coro::current) {#d#
297	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
298	return;#d#
299	}#d#
300
301	# wait for lock, if any
302	while ($LOCK{$key}) {
303	push @{ $LOCK{$key} }, $Coro::current;
304	Coro::schedule;
305	}
306	}	472	}
307		473
308	sub lock_acquire($) {	474	sub lock_acquire($) {
309	my ($key) = @_;	475	$LOCKS->guard ($_[0])
310
311	# wait, to be sure we are not locked
312	lock_wait $key;
313
314	$LOCK{$key} = [];
315	$LOCKER{$key} = $Coro::current;#d#
316
317	Coro::guard {
318	delete $LOCKER{$key};#d#
319	# wake up all waiters, to be on the safe side
320	$_->ready for @{ delete $LOCK{$key} };
321	}
322	}	476	}
323		477
324	sub lock_active($) {	478	sub lock_active($) {
325	my ($key) = @_;	479	$LOCKS->count ($_[0]) < 1
326
327	! ! $LOCK{$key}
328	}	480	}
329		481
330	sub freeze_mainloop {	482	sub freeze_mainloop {
331	return unless $TICK_WATCHER->is_active;	483	tick_inhibit_inc;
332		484
333	my $guard = Coro::guard {	485	&Guard::guard (\&tick_inhibit_dec);
334	$TICK_WATCHER->start;	486	}
335	};	487
336	$TICK_WATCHER->stop;	488	=item cf::periodic $interval, $cb
337	$guard	489
		490	Like EV::periodic, but randomly selects a starting point so that the actions
		491	get spread over time.
		492
		493	=cut
		494
		495	sub periodic($$) {
		496	my ($interval, $cb) = @_;
		497
		498	my $start = rand List::Util::min 180, $interval;
		499
		500	EV::periodic $start, $interval, 0, $cb
338	}	501	}
339		502
340	=item cf::get_slot $time[, $priority[, $name]]	503	=item cf::get_slot $time[, $priority[, $name]]
341		504
342	Allocate $time seconds of blocking CPU time at priority C<$priority>:	505	Allocate $time seconds of blocking CPU time at priority C<$priority>
343	This call blocks and returns only when you have at least C<$time> seconds	506	(default: 0): This call blocks and returns only when you have at least
344	of cpu time till the next tick. The slot is only valid till the next cede.	507	C<$time> seconds of cpu time till the next tick. The slot is only valid
		508	till the next cede.
		509
		510	Background jobs should use a priority les than zero, interactive jobs
		511	should use 100 or more.
345		512
346	The optional C<$name> can be used to identify the job to run. It might be	513	The optional C<$name> can be used to identify the job to run. It might be
347	used for statistical purposes and should identify the same time-class.	514	used for statistical purposes and should identify the same time-class.
348		515
349	Useful for short background jobs.	516	Useful for short background jobs.
350		517
351	=cut	518	=cut
352		519
353	our @SLOT_QUEUE;	520	our @SLOT_QUEUE;
354	our $SLOT_QUEUE;	521	our $SLOT_QUEUE;
		522	our $SLOT_DECAY = 0.9;
355		523
356	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	524	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
357	$SLOT_QUEUE = Coro::async {	525	$SLOT_QUEUE = Coro::async {
		526	$Coro::current->desc ("timeslot manager");
		527
358	my $signal = new Coro::Signal;	528	my $signal = new Coro::Signal;
		529	my $busy;
359		530
360	while () {	531	while () {
361	next_job:	532	next_job:
		533
362	my $avail = cf::till_tick;	534	my $avail = cf::till_tick;
363	if ($avail > 0.01) {	535
364	for (0 .. $#SLOT_QUEUE) {	536	for (0 .. $#SLOT_QUEUE) {
365	if ($SLOT_QUEUE[$_][0] < $avail) {	537	if ($SLOT_QUEUE[$_][0] <= $avail) {
		538	$busy = 0;
366	my $job = splice @SLOT_QUEUE, $_, 1, ();	539	my $job = splice @SLOT_QUEUE, $_, 1, ();
367	$job->[2]->send;	540	$job->[2]->send;
368	Coro::cede;	541	Coro::cede;
369	goto next_job;	542	goto next_job;
370	}	543	} else {
		544	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
371	}	545	}
372	}	546	}
373		547
374	if (@SLOT_QUEUE) {	548	if (@SLOT_QUEUE) {
375	# we do not use wait_For_tick() as it returns immediately when tick is inactive	549	# we do not use wait_for_tick() as it returns immediately when tick is inactive
376	push @cf::WAIT_FOR_TICK, $signal;	550	push @cf::WAIT_FOR_TICK, $signal;
377	$signal->wait;	551	$signal->wait;
378	} else {	552	} else {
		553	$busy = 0;
379	Coro::schedule;	554	Coro::schedule;
380	}	555	}
381	}	556	}
382	};	557	};
383		558
384	sub get_slot($;$$) {	559	sub get_slot($;$$) {
		560	return if tick_inhibit || $Coro::current == $Coro::main;
		561
385	my ($time, $pri, $name) = @_;	562	my ($time, $pri, $name) = @_;
386		563
387	$time = $TICK * .6 if $time > $TICK * .6;	564	$time = clamp $time, 0.01, $TICK * .6;
		565
388	my $sig = new Coro::Signal;	566	my $sig = new Coro::Signal;
389		567
390	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	568	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
391	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	569	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
392	$SLOT_QUEUE->ready;	570	$SLOT_QUEUE->ready;
…		…
403		581
404	BEGIN { *async = \&Coro::async_pool }	582	BEGIN { *async = \&Coro::async_pool }
405		583
406	=item cf::sync_job { BLOCK }	584	=item cf::sync_job { BLOCK }
407		585
408	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	586	The design of Deliantra requires that the main coroutine ($Coro::main)
409	is always able to handle events or runnable, as Crossfire TRT is only	587	is always able to handle events or runnable, as Deliantra is only
410	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	588	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
411	acceptable.	589	acceptable.
412		590
413	If it must be done, put the blocking parts into C<sync_job>. This will run	591	If it must be done, put the blocking parts into C<sync_job>. This will run
414	the given BLOCK in another coroutine while waiting for the result. The	592	the given BLOCK in another coroutine while waiting for the result. The
…		…
418	=cut	596	=cut
419		597
420	sub sync_job(&) {	598	sub sync_job(&) {
421	my ($job) = @_;	599	my ($job) = @_;
422		600
423	if ($Coro::current == $Coro::main) {	601	if (in_main) {
424	my $time = Event::time;	602	my $time = AE::time;
425		603
426	# this is the main coro, too bad, we have to block	604	# this is the main coro, too bad, we have to block
427	# till the operation succeeds, freezing the server :/	605	# till the operation succeeds, freezing the server :/
428		606
429	# TODO: use suspend/resume instead	607	#LOG llevError, Carp::longmess "sync job";#d#
430	# (but this is cancel-safe)	608
431	my $freeze_guard = freeze_mainloop;	609	my $freeze_guard = freeze_mainloop;
432		610
433	my $busy = 1;	611	my $busy = 1;
434	my @res;	612	my @res;
435		613
436	(async {	614	(async {
		615	$Coro::current->desc ("sync job coro");
437	@res = eval { $job->() };	616	@res = eval { $job->() };
438	warn $@ if $@;	617	error $@ if $@;
439	undef $busy;	618	undef $busy;
440	})->prio (Coro::PRIO_MAX);	619	})->prio (Coro::PRIO_MAX);
441		620
442	while ($busy) {	621	while ($busy) {
443	Coro::cede or Event::one_event;	622	if (Coro::nready) {
		623	Coro::cede_notself;
		624	} else {
		625	EV::loop EV::LOOP_ONESHOT;
444	}	626	}
		627	}
445		628
446	$time = Event::time - $time;	629	my $time = AE::time - $time;
447		630
448	LOG llevError | logBacktrace, Carp::longmess "long sync job"
449	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
450
451	$tick_start += $time; # do not account sync jobs to server load	631	$TICK_START += $time; # do not account sync jobs to server load
452		632
453	wantarray ? @res : $res[0]	633	wantarray ? @res : $res[0]
454	} else {	634	} else {
455	# we are in another coroutine, how wonderful, everything just works	635	# we are in another coroutine, how wonderful, everything just works
456		636
…		…
476	$EXT_CORO{$coro+0} = $coro;	656	$EXT_CORO{$coro+0} = $coro;
477		657
478	$coro	658	$coro
479	}	659	}
480		660
481	=item fork_call { }, $args	661	=item fork_call { }, @args
482		662
483	Executes the given code block with the given arguments in a seperate	663	Executes the given code block with the given arguments in a seperate
484	process, returning the results. Everything must be serialisable with	664	process, returning the results. Everything must be serialisable with
485	Coro::Storable. May, of course, block. Note that the executed sub may	665	Coro::Storable. May, of course, block. Note that the executed sub may
486	never block itself or use any form of Event handling.	666	never block itself or use any form of event handling.
487		667
488	=cut	668	=cut
		669
		670	sub post_fork {
		671	reset_signals;
		672	}
489		673
490	sub fork_call(&@) {	674	sub fork_call(&@) {
491	my ($cb, @args) = @_;	675	my ($cb, @args) = @_;
492		676
493	# we seemingly have to make a local copy of the whole thing,	677	# we seemingly have to make a local copy of the whole thing,
494	# otherwise perl prematurely frees the stuff :/	678	# otherwise perl prematurely frees the stuff :/
495	# TODO: investigate and fix (likely this will be rather laborious)	679	# TODO: investigate and fix (likely this will be rather laborious)
496		680
497	my @res = Coro::Util::fork_eval {	681	my @res = Coro::Util::fork_eval {
498	reset_signals;	682	cf::post_fork;
499	&$cb	683	&$cb
500	}, @args;	684	} @args;
501		685
502	wantarray ? @res : $res[-1]	686	wantarray ? @res : $res[-1]
		687	}
		688
		689	sub objinfo {
		690	(
		691	"counter value" => cf::object::object_count,
		692	"objects created" => cf::object::create_count,
		693	"objects destroyed" => cf::object::destroy_count,
		694	"freelist size" => cf::object::free_count,
		695	"allocated objects" => cf::object::objects_size,
		696	"active objects" => cf::object::actives_size,
		697	)
		698	}
		699
		700	=item $coin = coin_from_name $name
		701
		702	=cut
		703
		704	our %coin_alias = (
		705	"silver" => "silvercoin",
		706	"silvercoin" => "silvercoin",
		707	"silvercoins" => "silvercoin",
		708	"gold" => "goldcoin",
		709	"goldcoin" => "goldcoin",
		710	"goldcoins" => "goldcoin",
		711	"platinum" => "platinacoin",
		712	"platinumcoin" => "platinacoin",
		713	"platinumcoins" => "platinacoin",
		714	"platina" => "platinacoin",
		715	"platinacoin" => "platinacoin",
		716	"platinacoins" => "platinacoin",
		717	"royalty" => "royalty",
		718	"royalties" => "royalty",
		719	);
		720
		721	sub coin_from_name($) {
		722	$coin_alias{$_[0]}
		723	? cf::arch::find $coin_alias{$_[0]}
		724	: undef
503	}	725	}
504		726
505	=item $value = cf::db_get $family => $key	727	=item $value = cf::db_get $family => $key
506		728
507	Returns a single value from the environment database.	729	Returns a single value from the environment database.
…		…
517	within each server.	739	within each server.
518		740
519	=cut	741	=cut
520		742
521	sub db_table($) {	743	sub db_table($) {
		744	cf::error "db_get called from main context"
		745	if $Coro::current == $Coro::main;
		746
522	my ($name) = @_;	747	my ($name) = @_;
523	my $db = BDB::db_create $DB_ENV;	748	my $db = BDB::db_create $DB_ENV;
524		749
525	eval {	750	eval {
526	$db->set_flags (BDB::CHKSUM);	751	$db->set_flags (BDB::CHKSUM);
…		…
536	}	761	}
537		762
538	our $DB;	763	our $DB;
539		764
540	sub db_init {	765	sub db_init {
541	cf::sync_job {
542	$DB ||= db_table "db";	766	$DB ||= db_table "db";
543	};
544	}	767	}
545		768
546	sub db_get($$) {	769	sub db_get($$) {
547	my $key = "$_[0]/$_[1]";	770	my $key = "$_[0]/$_[1]";
548		771
549	cf::sync_job {	772	cf::error "db_get called from main context"
		773	if $Coro::current == $Coro::main;
		774
550	BDB::db_get $DB, undef, $key, my $data;	775	BDB::db_get $DB, undef, $key, my $data;
551		776
552	$! ? ()	777	$! ? ()
553	: $data	778	: $data
554	}
555	}	779	}
556		780
557	sub db_put($$$) {	781	sub db_put($$$) {
558	BDB::dbreq_pri 4;	782	BDB::dbreq_pri 4;
559	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	783	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
587		811
588	my @data;	812	my @data;
589	my $md5;	813	my $md5;
590		814
591	for (0 .. $#$src) {	815	for (0 .. $#$src) {
592	0 <= aio_load $src->[$_], $data[$_]	816	$data[$_] = load_file $src->[$_];
593	or Carp::croak "$src->[$_]: $!";
594	}	817	}
595		818
596	# if processing is expensive, check	819	# if processing is expensive, check
597	# checksum first	820	# checksum first
598	if (1) {	821	if (1) {
…		…
615		838
616	my $t1 = Time::HiRes::time;	839	my $t1 = Time::HiRes::time;
617	my $data = $process->(\@data);	840	my $data = $process->(\@data);
618	my $t2 = Time::HiRes::time;	841	my $t2 = Time::HiRes::time;
619		842
620	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	843	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
621		844
622	db_put cache => "$id/data", $data;	845	db_put cache => "$id/data", $data;
623	db_put cache => "$id/md5" , $md5;	846	db_put cache => "$id/md5" , $md5;
624	db_put cache => "$id/meta", $meta;	847	db_put cache => "$id/meta", $meta;
625		848
…		…
635		858
636	=cut	859	=cut
637		860
638	sub datalog($@) {	861	sub datalog($@) {
639	my ($type, %kv) = @_;	862	my ($type, %kv) = @_;
640	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	863	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
641	}	864	}
642		865
643	=back	866	=back
644		867
645	=cut	868	=cut
646		869
647	#############################################################################	870	#############################################################################
648		871
649	=head2 ATTACHABLE OBJECTS	872	=head2 ATTACHABLE OBJECTS
650		873
651	Many objects in crossfire are so-called attachable objects. That means you can	874	Many objects in deliantra are so-called attachable objects. That means you can
652	attach callbacks/event handlers (a collection of which is called an "attachment")	875	attach callbacks/event handlers (a collection of which is called an "attachment")
653	to it. All such attachable objects support the following methods.	876	to it. All such attachable objects support the following methods.
654		877
655	In the following description, CLASS can be any of C<global>, C<object>	878	In the following description, CLASS can be any of C<global>, C<object>
656	C<player>, C<client> or C<map> (i.e. the attachable objects in	879	C<player>, C<client> or C<map> (i.e. the attachable objects in
657	Crossfire TRT).	880	Deliantra).
658		881
659	=over 4	882	=over 4
660		883
661	=item $attachable->attach ($attachment, key => $value...)	884	=item $attachable->attach ($attachment, key => $value...)
662		885
…		…
706	=item cf::CLASS::attachment $name, ...	929	=item cf::CLASS::attachment $name, ...
707		930
708	Register an attachment by C<$name> through which attachable objects of the	931	Register an attachment by C<$name> through which attachable objects of the
709	given CLASS can refer to this attachment.	932	given CLASS can refer to this attachment.
710		933
711	Some classes such as crossfire maps and objects can specify attachments	934	Some classes such as deliantra maps and objects can specify attachments
712	that are attached at load/instantiate time, thus the need for a name.	935	that are attached at load/instantiate time, thus the need for a name.
713		936
714	These calls expect any number of the following handler/hook descriptions:	937	These calls expect any number of the following handler/hook descriptions:
715		938
716	=over 4	939	=over 4
…		…
840		1063
841	} elsif (exists $cb_id{$type}) {	1064	} elsif (exists $cb_id{$type}) {
842	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1065	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
843		1066
844	} elsif (ref $type) {	1067	} elsif (ref $type) {
845	warn "attaching objects not supported, ignoring.\n";	1068	error "attaching objects not supported, ignoring.\n";
846		1069
847	} else {	1070	} else {
848	shift @arg;	1071	shift @arg;
849	warn "attach argument '$type' not supported, ignoring.\n";	1072	error "attach argument '$type' not supported, ignoring.\n";
850	}	1073	}
851	}	1074	}
852	}	1075	}
853		1076
854	sub _object_attach {	1077	sub _object_attach {
…		…
864	_attach $registry, $klass, @attach;	1087	_attach $registry, $klass, @attach;
865	}	1088	}
866		1089
867	$obj->{$name} = \%arg;	1090	$obj->{$name} = \%arg;
868	} else {	1091	} else {
869	warn "object uses attachment '$name' which is not available, postponing.\n";	1092	info "object uses attachment '$name' which is not available, postponing.\n";
870	}	1093	}
871		1094
872	$obj->{_attachment}{$name} = undef;	1095	$obj->{_attachment}{$name} = undef;
873	}	1096	}
874		1097
…		…
933		1156
934	for (@$callbacks) {	1157	for (@$callbacks) {
935	eval { &{$_->[1]} };	1158	eval { &{$_->[1]} };
936		1159
937	if ($@) {	1160	if ($@) {
938	warn "$@";
939	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1161	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
940	override;	1162	override;
941	}	1163	}
942		1164
943	return 1 if $override;	1165	return 1 if $override;
944	}	1166	}
945		1167
946	0	1168	0
947	}	1169	}
948		1170
949	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1171	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
950		1172
951	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1173	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
952		1174
953	Generate an object-specific event with the given arguments.	1175	Generate an object-specific event with the given arguments.
954		1176
…		…
960		1182
961	=cut	1183	=cut
962		1184
963	#############################################################################	1185	#############################################################################
964	# object support	1186	# object support
965	#
966		1187
		1188	sub _object_equal($$);
		1189	sub _object_equal($$) {
		1190	my ($a, $b) = @_;
		1191
		1192	return 0 unless (ref $a) eq (ref $b);
		1193
		1194	if ("HASH" eq ref $a) {
		1195	my @ka = keys %$a;
		1196	my @kb = keys %$b;
		1197
		1198	return 0 if @ka != @kb;
		1199
		1200	for (0 .. $#ka) {
		1201	return 0 unless $ka[$_] eq $kb[$_];
		1202	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1203	}
		1204
		1205	} elsif ("ARRAY" eq ref $a) {
		1206
		1207	return 0 if @$a != @$b;
		1208
		1209	for (0 .. $#$a) {
		1210	return 0 unless _object_equal $a->[$_], $b->[$_];
		1211	}
		1212
		1213	} elsif ($a ne $b) {
		1214	return 0;
		1215	}
		1216
		1217	1
		1218	}
		1219
		1220	our $SLOW_MERGES;#d#
967	sub _can_merge {	1221	sub _can_merge {
968	my ($ob1, $ob2) = @_;	1222	my ($ob1, $ob2) = @_;
969		1223
970	local $Storable::canonical = 1;	1224	++$SLOW_MERGES;#d#
971	my $fob1 = Storable::freeze $ob1;
972	my $fob2 = Storable::freeze $ob2;
973		1225
974	$fob1 eq $fob2	1226	# we do the slow way here
		1227	return _object_equal $ob1, $ob2
975	}	1228	}
976		1229
977	sub reattach {	1230	sub reattach {
978	# basically do the same as instantiate, without calling instantiate	1231	# basically do the same as instantiate, without calling instantiate
979	my ($obj) = @_;	1232	my ($obj) = @_;
980		1233
		1234	# no longer needed after getting rid of delete_package?
981	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1235	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
982		1236
983	my $registry = $obj->registry;	1237	my $registry = $obj->registry;
984		1238
985	@$registry = ();	1239	@$registry = ();
986		1240
…		…
991	for (@$attach) {	1245	for (@$attach) {
992	my ($klass, @attach) = @$_;	1246	my ($klass, @attach) = @$_;
993	_attach $registry, $klass, @attach;	1247	_attach $registry, $klass, @attach;
994	}	1248	}
995	} else {	1249	} else {
996	warn "object uses attachment '$name' that is not available, postponing.\n";	1250	info "object uses attachment '$name' that is not available, postponing.\n";
997	}	1251	}
998	}	1252	}
999	}	1253	}
1000		1254
1001	cf::attachable->attach (	1255	cf::attachable->attach (
1002	prio => -1000000,	1256	prio => -1000000,
1003	on_instantiate => sub {	1257	on_instantiate => sub {
1004	my ($obj, $data) = @_;	1258	my ($obj, $data) = @_;
1005		1259
1006	$data = from_json $data;	1260	$data = decode_json $data;
1007		1261
1008	for (@$data) {	1262	for (@$data) {
1009	my ($name, $args) = @$_;	1263	my ($name, $args) = @$_;
1010		1264
1011	$obj->attach ($name, %{$args || {} });	1265	$obj->attach ($name, %{$args || {} });
…		…
1025	);	1279	);
1026		1280
1027	sub object_freezer_save {	1281	sub object_freezer_save {
1028	my ($filename, $rdata, $objs) = @_;	1282	my ($filename, $rdata, $objs) = @_;
1029		1283
1030	my $guard = cf::lock_acquire "io";
1031
1032	sync_job {	1284	sync_job {
1033	if (length $$rdata) {	1285	if (length $$rdata) {
1034	utf8::decode (my $decname = $filename);	1286	utf8::decode (my $decname = $filename);
1035	warn sprintf "saving %s (%d,%d)\n",	1287	trace sprintf "saving %s (%d,%d)\n",
1036	$decname, length $$rdata, scalar @$objs;	1288	$decname, length $$rdata, scalar @$objs
		1289	if $VERBOSE_IO;
1037		1290
1038	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1291	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1039	chmod SAVE_MODE, $fh;	1292	aio_chmod $fh, SAVE_MODE;
1040	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1293	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1041	aio_fsync $fh if $cf::USE_FSYNC;	1294	if ($cf::USE_FSYNC) {
		1295	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;
		1296	aio_fsync $fh;
		1297	}
1042	close $fh;	1298	aio_close $fh;
1043		1299
1044	if (@$objs) {	1300	if (@$objs) {
1045	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1301	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1046	chmod SAVE_MODE, $fh;	1302	aio_chmod $fh, SAVE_MODE;
1047	my $data = Storable::nfreeze { version => 1, objs => $objs };	1303	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1048	aio_write $fh, 0, (length $data), $data, 0;	1304	aio_write $fh, 0, (length $data), $data, 0;
1049	aio_fsync $fh if $cf::USE_FSYNC;	1305	if ($cf::USE_FSYNC) {
		1306	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;
		1307	aio_fsync $fh;
		1308	}
1050	close $fh;	1309	aio_close $fh;
1051	aio_rename "$filename.pst~", "$filename.pst";	1310	aio_rename "$filename.pst~", "$filename.pst";
1052	}	1311	}
1053	} else {	1312	} else {
1054	aio_unlink "$filename.pst";	1313	aio_unlink "$filename.pst";
1055	}	1314	}
1056		1315
1057	aio_rename "$filename~", $filename;	1316	aio_rename "$filename~", $filename;
		1317
		1318	$filename =~ s%/[^/]+$%%;
		1319	aio_pathsync $filename if $cf::USE_FSYNC;
1058	} else {	1320	} else {
1059	warn "FATAL: $filename~: $!\n";	1321	error "unable to save objects: $filename~: $!\n";
1060	}	1322	}
1061	} else {	1323	} else {
1062	aio_unlink $filename;	1324	aio_unlink $filename;
1063	aio_unlink "$filename.pst";	1325	aio_unlink "$filename.pst";
1064	}	1326	}
1065	};	1327	};
1066
1067	undef $guard;
1068	}	1328	}
1069		1329
1070	sub object_freezer_as_string {	1330	sub object_freezer_as_string {
1071	my ($rdata, $objs) = @_;	1331	my ($rdata, $objs) = @_;
1072		1332
…		…
1077		1337
1078	sub object_thawer_load {	1338	sub object_thawer_load {
1079	my ($filename) = @_;	1339	my ($filename) = @_;
1080		1340
1081	my ($data, $av);	1341	my ($data, $av);
1082
1083	my $guard = cf::lock_acquire "io";
1084		1342
1085	(aio_load $filename, $data) >= 0	1343	(aio_load $filename, $data) >= 0
1086	or return;	1344	or return;
1087		1345
1088	unless (aio_stat "$filename.pst") {	1346	unless (aio_stat "$filename.pst") {
1089	(aio_load "$filename.pst", $av) >= 0	1347	(aio_load "$filename.pst", $av) >= 0
1090	or return;	1348	or return;
1091		1349
1092	undef $guard;
1093	$av = eval { (Storable::thaw $av)->{objs} };	1350	my $st = eval { Coro::Storable::thaw $av };
		1351	$av = $st->{objs};
1094	}	1352	}
1095		1353
1096	utf8::decode (my $decname = $filename);	1354	utf8::decode (my $decname = $filename);
1097	warn sprintf "loading %s (%d,%d)\n",	1355	trace sprintf "loading %s (%d,%d)\n",
1098	$decname, length $data, scalar @{$av || []};	1356	$decname, length $data, scalar @{$av || []}
		1357	if $VERBOSE_IO;
1099		1358
1100	($data, $av)	1359	($data, $av)
1101	}	1360	}
1102		1361
1103	=head2 COMMAND CALLBACKS	1362	=head2 COMMAND CALLBACKS
…		…
1159	my ($name, $cb) = @_;	1418	my ($name, $cb) = @_;
1160		1419
1161	$EXTICMD{$name} = $cb;	1420	$EXTICMD{$name} = $cb;
1162	}	1421	}
1163		1422
		1423	use File::Glob ();
		1424
1164	cf::player->attach (	1425	cf::player->attach (
1165	on_command => sub {	1426	on_unknown_command => sub {
1166	my ($pl, $name, $params) = @_;	1427	my ($pl, $name, $params) = @_;
1167		1428
1168	my $cb = $COMMAND{$name}	1429	my $cb = $COMMAND{$name}
1169	or return;	1430	or return;
1170		1431
…		…
1193		1454
1194	$pl->ext_reply ($reply, @reply)	1455	$pl->ext_reply ($reply, @reply)
1195	if $reply;	1456	if $reply;
1196		1457
1197	} else {	1458	} else {
1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1459	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1199	}	1460	}
1200		1461
1201	cf::override;	1462	cf::override;
1202	},	1463	},
1203	);	1464	);
1204		1465
		1466	# "readahead" all extensions
		1467	sub cache_extensions {
		1468	my $grp = IO::AIO::aio_group;
		1469
		1470	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1471	for (grep /\.ext$/, @{$_[0]}) {
		1472	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1473	}
		1474	};
		1475
		1476	$grp
		1477	}
		1478
1205	sub load_extensions {	1479	sub load_extensions {
		1480	info "loading extensions...";
		1481
1206	cf::sync_job {	1482	cf::sync_job {
1207	my %todo;	1483	my %todo;
1208		1484
1209	for my $path (<$LIBDIR/*.ext>) {	1485	for my $path (<$LIBDIR/*.ext>) {
1210	next unless -r $path;	1486	next unless -r $path;
…		…
1228		1504
1229	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1505	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1230	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1506	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1231		1507
1232	$ext{source} =	1508	$ext{source} =
1233	"package $pkg; use strict; use utf8;\n"	1509	"package $pkg; use common::sense;\n"
1234	. "#line 1 \"$path\"\n{\n"	1510	. "#line 1 \"$path\"\n{\n"
1235	. $source	1511	. $source
1236	. "\n};\n1";	1512	. "\n};\n1";
1237		1513
1238	$todo{$base} = \%ext;	1514	$todo{$base} = \%ext;
1239	}	1515	}
1240		1516
		1517	my $pass = 0;
1241	my %done;	1518	my %done;
1242	while (%todo) {	1519	while (%todo) {
1243	my $progress;	1520	my $progress;
1244		1521
		1522	++$pass;
		1523
		1524	ext:
1245	while (my ($k, $v) = each %todo) {	1525	while (my ($k, $v) = each %todo) {
1246	for (split /,\s*/, $v->{meta}{depends}) {	1526	for (split /,\s*/, $v->{meta}{depends}) {
1247	goto skip	1527	next ext
1248	unless exists $done{$_};	1528	unless exists $done{$_};
1249	}	1529	}
1250		1530
1251	warn "... loading '$k' into '$v->{pkg}'\n";	1531	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1252		1532
1253	unless (eval $v->{source}) {	1533	my $active = eval $v->{source};
		1534
		1535	if (length $@) {
1254	my $msg = $@ ? "$v->{path}: $@\n"	1536	error "$v->{path}: $@\n";
1255	: "$v->{base}: extension inactive.\n";
1256		1537
		1538	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1257	if (exists $v->{meta}{mandatory}) {	1539	if exists $v->{meta}{mandatory};
1258	warn $msg;	1540
1259	warn "mandatory extension failed to load, exiting.\n";	1541	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1260	exit 1;	1542	delete $todo{$k};
1261	}	1543	} else {
1262		1544	$done{$k} = delete $todo{$k};
1263	warn $msg;	1545	push @EXTS, $v->{pkg};
		1546	$progress = 1;
		1547
		1548	info "$v->{base}: extension inactive.\n"
		1549	unless $active;
1264	}	1550	}
1265
1266	$done{$k} = delete $todo{$k};
1267	push @EXTS, $v->{pkg};
1268	$progress = 1;
1269	}	1551	}
1270		1552
1271	skip:	1553	unless ($progress) {
1272	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1554	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1273	unless $progress;	1555
		1556	while (my ($k, $v) = each %todo) {
		1557	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1558	if exists $v->{meta}{mandatory};
		1559	}
		1560	}
1274	}	1561	}
1275	};	1562	};
1276	}	1563	}
1277		1564
1278	#############################################################################	1565	#############################################################################
1279		1566
1280	=back	1567	=back
1281		1568
1282	=head2 CORE EXTENSIONS	1569	=head2 CORE EXTENSIONS
1283		1570
1284	Functions and methods that extend core crossfire objects.	1571	Functions and methods that extend core deliantra objects.
1285		1572
1286	=cut	1573	=cut
1287		1574
1288	package cf::player;	1575	package cf::player;
1289		1576
…		…
1332		1619
1333	sub exists($) {	1620	sub exists($) {
1334	my ($login) = @_;	1621	my ($login) = @_;
1335		1622
1336	$cf::PLAYER{$login}	1623	$cf::PLAYER{$login}
1337	or cf::sync_job { !aio_stat path $login }	1624	or !aio_stat path $login
1338	}	1625	}
1339		1626
1340	sub find($) {	1627	sub find($) {
1341	return $cf::PLAYER{$_[0]} || do {	1628	return $cf::PLAYER{$_[0]} || do {
1342	my $login = $_[0];	1629	my $login = $_[0];
…		…
1352	aio_unlink +(playerdir $login) . "/$login.pl";	1639	aio_unlink +(playerdir $login) . "/$login.pl";
1353		1640
1354	my $f = new_from_file cf::object::thawer path $login	1641	my $f = new_from_file cf::object::thawer path $login
1355	or return;	1642	or return;
1356		1643
1357	$f->next;
1358	my $pl = cf::player::load_pl $f	1644	my $pl = cf::player::load_pl $f
1359	or return;	1645	or return;
		1646
1360	local $cf::PLAYER_LOADING{$login} = $pl;	1647	local $cf::PLAYER_LOADING{$login} = $pl;
1361	$f->resolve_delayed_derefs;	1648	$f->resolve_delayed_derefs;
1362	$cf::PLAYER{$login} = $pl	1649	$cf::PLAYER{$login} = $pl
1363	}	1650	}
1364	}	1651	}
1365	}	1652	}
1366		1653
		1654	cf::player->attach (
		1655	on_load => sub {
		1656	my ($pl, $path) = @_;
		1657
		1658	# restore slots saved in save, below
		1659	my $slots = delete $pl->{_slots};
		1660
		1661	$pl->ob->current_weapon ($slots->[0]);
		1662	$pl->combat_ob ($slots->[1]);
		1663	$pl->ranged_ob ($slots->[2]);
		1664	},
		1665	);
		1666
1367	sub save($) {	1667	sub save($) {
1368	my ($pl) = @_;	1668	my ($pl) = @_;
1369		1669
1370	return if $pl->{deny_save};	1670	return if $pl->{deny_save};
1371		1671
…		…
1374		1674
1375	return if $pl->{deny_save};	1675	return if $pl->{deny_save};
1376		1676
1377	aio_mkdir playerdir $pl, 0770;	1677	aio_mkdir playerdir $pl, 0770;
1378	$pl->{last_save} = $cf::RUNTIME;	1678	$pl->{last_save} = $cf::RUNTIME;
		1679
		1680	cf::get_slot 0.01;
		1681
		1682	# save slots, to be restored later
		1683	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1379		1684
1380	$pl->save_pl ($path);	1685	$pl->save_pl ($path);
1381	cf::cede_to_tick;	1686	cf::cede_to_tick;
1382	}	1687	}
1383		1688
…		…
1415	my ($pl) = @_;	1720	my ($pl) = @_;
1416		1721
1417	my $name = $pl->ob->name;	1722	my $name = $pl->ob->name;
1418		1723
1419	$pl->{deny_save} = 1;	1724	$pl->{deny_save} = 1;
1420	$pl->password ("*"); # this should lock out the player until we nuked the dir	1725	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1421		1726
1422	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1727	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1423	$pl->deactivate;	1728	$pl->deactivate;
		1729
		1730	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1424	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1731	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1732	ext::highscore::check ($pl->ob);
		1733
1425	$pl->ns->destroy if $pl->ns;	1734	$pl->ns->destroy if $pl->ns;
1426		1735
1427	my $path = playerdir $pl;	1736	my $path = playerdir $pl;
1428	my $temp = "$path~$cf::RUNTIME~deleting~";	1737	my $temp = "$path~$cf::RUNTIME~deleting~";
1429	aio_rename $path, $temp;	1738	aio_rename $path, $temp;
…		…
1467		1776
1468	for my $login (@$dirs) {	1777	for my $login (@$dirs) {
1469	my $path = path $login;	1778	my $path = path $login;
1470		1779
1471	# a .pst is a dead give-away for a valid player	1780	# a .pst is a dead give-away for a valid player
1472	unless (-e "$path.pst") {	1781	# if no pst file found, open and chekc for blocked users
		1782	if (aio_stat "$path.pst") {
1473	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1783	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1474	aio_read $fh, 0, 512, my $buf, 0 or next;	1784	aio_read $fh, 0, 512, my $buf, 0 or next;
1475	$buf !~ /^password -------------$/m or next; # official not-valid tag	1785	$buf !~ /^password -------------$/m or next; # official not-valid tag
1476	}	1786	}
1477		1787
…		…
1481		1791
1482	\@logins	1792	\@logins
1483	}	1793	}
1484		1794
1485	=item $player->maps	1795	=item $player->maps
		1796
		1797	=item cf::player::maps $login
1486		1798
1487	Returns an arrayref of map paths that are private for this	1799	Returns an arrayref of map paths that are private for this
1488	player. May block.	1800	player. May block.
1489		1801
1490	=cut	1802	=cut
…		…
1508	}	1820	}
1509		1821
1510	\@paths	1822	\@paths
1511	}	1823	}
1512		1824
1513	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1825	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1514		1826
1515	Expand crossfire pod fragments into protocol xml.	1827	Expand deliantra pod fragments into protocol xml.
1516
1517	=cut
1518
1519	sub expand_cfpod {
1520	((my $self), (local $_)) = @_;
1521
1522	# escape & and <
1523	s/&/&amp;/g;
1524	s/(?<![BIUGHT])</&lt;/g;
1525
1526	# this is buggy, it needs to properly take care of nested <'s
1527
1528	1 while
1529	# replace B<>, I<>, U<> etc.
1530	s/B<([^\>]*)>/<b>$1<\/b>/
1531	|| s/I<([^\>]*)>/<i>$1<\/i>/
1532	|| s/U<([^\>]*)>/<u>$1<\/u>/
1533	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1534	# replace G<male|female> tags
1535	|| s{G<([^>|]*)\|([^>]*)>}{
1536	$self->gender ? $2 : $1
1537	}ge
1538	# replace H<hint text>
1539	|| s{H<([^\>]*)>}
1540	{
1541	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1542	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1543	"")
1544	[$self->{hintmode}]
1545	}ge;
1546
1547	# create single paragraphs (very hackish)
1548	s/(?<=\S)\n(?=\w)/ /g;
1549
1550	# compress some whitespace
1551	s/\s+\n/\n/g; # ws line-ends
1552	s/\n\n+/\n/g; # double lines
1553	s/^\n+//; # beginning lines
1554	s/\n+$//; # ending lines
1555
1556	$_
1557	}
1558
1559	sub hintmode {
1560	$_[0]{hintmode} = $_[1] if @_ > 1;
1561	$_[0]{hintmode}
1562	}
1563		1828
1564	=item $player->ext_reply ($msgid, @msg)	1829	=item $player->ext_reply ($msgid, @msg)
1565		1830
1566	Sends an ext reply to the player.	1831	Sends an ext reply to the player.
1567		1832
…		…
1599		1864
1600	=cut	1865	=cut
1601		1866
1602	sub find_by_path($) {	1867	sub find_by_path($) {
1603	my ($path) = @_;	1868	my ($path) = @_;
		1869
		1870	$path =~ s/^~[^\/]*//; # skip ~login
1604		1871
1605	my ($match, $specificity);	1872	my ($match, $specificity);
1606		1873
1607	for my $region (list) {	1874	for my $region (list) {
1608	if ($region->{match} && $path =~ $region->{match}) {	1875	if ($region->{match} && $path =~ $region->{match}) {
…		…
1634	our $MAX_RESET = 3600;	1901	our $MAX_RESET = 3600;
1635	our $DEFAULT_RESET = 3000;	1902	our $DEFAULT_RESET = 3000;
1636		1903
1637	sub generate_random_map {	1904	sub generate_random_map {
1638	my ($self, $rmp) = @_;	1905	my ($self, $rmp) = @_;
1639	# mit "rum" bekleckern, nicht	1906
		1907	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1908
1640	$self->_create_random_map (	1909	$self->_create_random_map ($rmp);
1641	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1642	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1643	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1644	$rmp->{exit_on_final_map},
1645	$rmp->{xsize}, $rmp->{ysize},
1646	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1647	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1648	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1649	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1650	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1651	(cf::region::find $rmp->{region}), $rmp->{custom}
1652	)
1653	}	1910	}
1654		1911
1655	=item cf::map->register ($regex, $prio)	1912	=item cf::map->register ($regex, $prio)
1656		1913
1657	Register a handler for the map path matching the given regex at the	1914	Register a handler for the map path matching the given regex at the
…		…
1662		1919
1663	sub register {	1920	sub register {
1664	my (undef, $regex, $prio) = @_;	1921	my (undef, $regex, $prio) = @_;
1665	my $pkg = caller;	1922	my $pkg = caller;
1666		1923
1667	no strict;
1668	push @{"$pkg\::ISA"}, __PACKAGE__;	1924	push @{"$pkg\::ISA"}, __PACKAGE__;
1669		1925
1670	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1926	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1671	}	1927	}
1672		1928
1673	# also paths starting with '/'	1929	# also paths starting with '/'
1674	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1930	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1675		1931
1676	sub thawer_merge {	1932	sub thawer_merge {
1677	my ($self, $merge) = @_;	1933	my ($self, $merge) = @_;
1678		1934
1679	# we have to keep some variables in memory intact	1935	# we have to keep some variables in memory intact
…		…
1684	}	1940	}
1685		1941
1686	sub normalise {	1942	sub normalise {
1687	my ($path, $base) = @_;	1943	my ($path, $base) = @_;
1688		1944
1689	$path = "$path"; # make sure its a string	1945	$path = "$path"; # make sure it's a string
1690		1946
1691	$path =~ s/\.map$//;	1947	$path =~ s/\.map$//;
1692		1948
1693	# map plan:	1949	# map plan:
1694	#	1950	#
…		…
1709	$base =~ s{[^/]+/?$}{};	1965	$base =~ s{[^/]+/?$}{};
1710	$path = "$base/$path";	1966	$path = "$base/$path";
1711	}	1967	}
1712		1968
1713	for ($path) {	1969	for ($path) {
1714	redo if s{//}{/};
1715	redo if s{/\.?/}{/};	1970	redo if s{/\.?/}{/};
1716	redo if s{/[^/]+/\.\./}{/};	1971	redo if s{/[^/]+/\.\./}{/};
1717	}	1972	}
1718		1973
1719	$path	1974	$path
…		…
1733	$self->init; # pass $1 etc.	1988	$self->init; # pass $1 etc.
1734	return $self;	1989	return $self;
1735	}	1990	}
1736	}	1991	}
1737		1992
1738	Carp::cluck "unable to resolve path '$path' (base '$base').";	1993	Carp::cluck "unable to resolve path '$path' (base '$base')";
1739	()	1994	()
1740	}	1995	}
1741		1996
1742	sub init {	1997	sub init {
1743	my ($self) = @_;	1998	my ($self) = @_;
…		…
1765		2020
1766	# the temporary/swap location	2021	# the temporary/swap location
1767	sub save_path {	2022	sub save_path {
1768	my ($self) = @_;	2023	my ($self) = @_;
1769		2024
1770	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2025	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1771	"$TMPDIR/$path.map"	2026	"$TMPDIR/$path.map"
1772	}	2027	}
1773		2028
1774	# the unique path, undef == no special unique path	2029	# the unique path, undef == no special unique path
1775	sub uniq_path {	2030	sub uniq_path {
1776	my ($self) = @_;	2031	my ($self) = @_;
1777		2032
1778	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2033	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1779	"$UNIQUEDIR/$path"	2034	"$UNIQUEDIR/$path"
1780	}
1781
1782	# and all this just because we cannot iterate over
1783	# all maps in C++...
1784	sub change_all_map_light {
1785	my ($change) = @_;
1786
1787	$_->change_map_light ($change)
1788	for grep $_->outdoor, values %cf::MAP;
1789	}	2035	}
1790		2036
1791	sub decay_objects {	2037	sub decay_objects {
1792	my ($self) = @_;	2038	my ($self) = @_;
1793		2039
…		…
1875		2121
1876	sub find;	2122	sub find;
1877	sub find {	2123	sub find {
1878	my ($path, $origin) = @_;	2124	my ($path, $origin) = @_;
1879		2125
		2126	cf::cede_to_tick;
		2127
1880	$path = normalise $path, $origin && $origin->path;	2128	$path = normalise $path, $origin && $origin->path;
1881		2129
1882	cf::lock_wait "map_data:$path";#d#remove	2130	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1883	cf::lock_wait "map_find:$path";	2131	my $guard2 = cf::lock_acquire "map_find:$path";
1884		2132
1885	$cf::MAP{$path} || do {	2133	$cf::MAP{$path} || do {
1886	my $guard1 = cf::lock_acquire "map_find:$path";
1887	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1888
1889	my $map = new_from_path cf::map $path	2134	my $map = new_from_path cf::map $path
1890	or return;	2135	or return;
1891		2136
1892	$map->{last_save} = $cf::RUNTIME;	2137	$map->{last_save} = $cf::RUNTIME;
1893		2138
…		…
1895	or return;	2140	or return;
1896		2141
1897	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2142	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1898	# doing this can freeze the server in a sync job, obviously	2143	# doing this can freeze the server in a sync job, obviously
1899	#$cf::WAIT_FOR_TICK->wait;	2144	#$cf::WAIT_FOR_TICK->wait;
		2145	undef $guard2;
1900	undef $guard1;	2146	undef $guard1;
1901	undef $guard2;
1902	$map->reset;	2147	$map->reset;
1903	return find $path;	2148	return find $path;
1904	}	2149	}
1905		2150
1906	$cf::MAP{$path} = $map	2151	$cf::MAP{$path} = $map
1907	}	2152	}
1908	}	2153	}
1909		2154
1910	sub pre_load { }	2155	sub pre_load { }
1911	sub post_load { }	2156	#sub post_load { } # XS
1912		2157
1913	sub load {	2158	sub load {
1914	my ($self) = @_;	2159	my ($self) = @_;
1915		2160
1916	local $self->{deny_reset} = 1; # loading can take a long time	2161	local $self->{deny_reset} = 1; # loading can take a long time
…		…
1933	my $f = new_from_file cf::object::thawer $self->{load_path};	2178	my $f = new_from_file cf::object::thawer $self->{load_path};
1934	$f->skip_block;	2179	$f->skip_block;
1935	$self->_load_objects ($f)	2180	$self->_load_objects ($f)
1936	or return;	2181	or return;
1937		2182
1938	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2183	$self->post_load_original
1939	if delete $self->{load_original};	2184	if delete $self->{load_original};
1940		2185
1941	if (my $uniq = $self->uniq_path) {	2186	if (my $uniq = $self->uniq_path) {
1942	utf8::encode $uniq;	2187	utf8::encode $uniq;
1943	unless (aio_stat $uniq) {	2188	unless (aio_stat $uniq) {
…		…
1961	unless ($self->{deny_activate}) {	2206	unless ($self->{deny_activate}) {
1962	$self->decay_objects;	2207	$self->decay_objects;
1963	$self->fix_auto_apply;	2208	$self->fix_auto_apply;
1964	$self->update_buttons;	2209	$self->update_buttons;
1965	cf::cede_to_tick;	2210	cf::cede_to_tick;
1966	$self->set_darkness_map;
1967	cf::cede_to_tick;
1968	$self->activate;	2211	$self->activate;
1969	}	2212	}
1970		2213
1971	$self->{last_save} = $cf::RUNTIME;	2214	$self->{last_save} = $cf::RUNTIME;
1972	$self->last_access ($cf::RUNTIME);	2215	$self->last_access ($cf::RUNTIME);
1973		2216
1974	$self->in_memory (cf::MAP_IN_MEMORY);	2217	$self->in_memory (cf::MAP_ACTIVE);
1975	}	2218	}
1976		2219
1977	$self->post_load;	2220	$self->post_load;
1978	}
1979		2221
		2222	1
		2223	}
		2224
		2225	# customize the map for a given player, i.e.
		2226	# return the _real_ map. used by e.g. per-player
		2227	# maps to change the path to ~playername/mappath
1980	sub customise_for {	2228	sub customise_for {
1981	my ($self, $ob) = @_;	2229	my ($self, $ob) = @_;
1982		2230
1983	return find "~" . $ob->name . "/" . $self->{path}	2231	return find "~" . $ob->name . "/" . $self->{path}
1984	if $self->per_player;	2232	if $self->per_player;
…		…
2000	or next;	2248	or next;
2001	$neigh = find $neigh, $map	2249	$neigh = find $neigh, $map
2002	or next;	2250	or next;
2003	$neigh->load;	2251	$neigh->load;
2004		2252
		2253	# now find the diagonal neighbours
2005	push @neigh,	2254	push @neigh,
2006	[$neigh->tile_path (($_ + 3) % 4), $neigh],	2255	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2007	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2256	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2008	}	2257	}
2009		2258
…		…
2016	}	2265	}
2017		2266
2018	sub find_sync {	2267	sub find_sync {
2019	my ($path, $origin) = @_;	2268	my ($path, $origin) = @_;
2020		2269
2021	cf::sync_job { find $path, $origin }	2270	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2271	if $Coro::current == $Coro::main;
		2272
		2273	find $path, $origin
2022	}	2274	}
2023		2275
2024	sub do_load_sync {	2276	sub do_load_sync {
2025	my ($map) = @_;	2277	my ($map) = @_;
2026		2278
2027	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2279	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2028	if $Coro::current == $Coro::main;	2280	if $Coro::current == $Coro::main;
2029		2281
2030	cf::sync_job { $map->load };	2282	$map->load;
2031	}	2283	}
2032		2284
2033	our %MAP_PREFETCH;	2285	our %MAP_PREFETCH;
2034	our $MAP_PREFETCHER = undef;	2286	our $MAP_PREFETCHER = undef;
2035		2287
…		…
2037	my ($path, $origin, $load) = @_;	2289	my ($path, $origin, $load) = @_;
2038		2290
2039	$path = normalise $path, $origin && $origin->{path};	2291	$path = normalise $path, $origin && $origin->{path};
2040		2292
2041	if (my $map = $cf::MAP{$path}) {	2293	if (my $map = $cf::MAP{$path}) {
2042	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2294	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2043	}	2295	}
2044		2296
2045	$MAP_PREFETCH{$path} |= $load;	2297	$MAP_PREFETCH{$path} |= $load;
2046		2298
2047	$MAP_PREFETCHER ||= cf::async {	2299	$MAP_PREFETCHER ||= cf::async {
		2300	$Coro::current->{desc} = "map prefetcher";
		2301
2048	while (%MAP_PREFETCH) {	2302	while (%MAP_PREFETCH) {
2049	while (my ($k, $v) = each %MAP_PREFETCH) {	2303	while (my ($k, $v) = each %MAP_PREFETCH) {
2050	if (my $map = find $k) {	2304	if (my $map = find $k) {
2051	$map->load if $v;	2305	$map->load if $v;
2052	}	2306	}
…		…
2059	$MAP_PREFETCHER->prio (6);	2313	$MAP_PREFETCHER->prio (6);
2060		2314
2061	()	2315	()
2062	}	2316	}
2063		2317
		2318	# common code, used by both ->save and ->swapout
2064	sub save {	2319	sub _save {
2065	my ($self) = @_;	2320	my ($self) = @_;
2066
2067	my $lock = cf::lock_acquire "map_data:$self->{path}";
2068		2321
2069	$self->{last_save} = $cf::RUNTIME;	2322	$self->{last_save} = $cf::RUNTIME;
2070		2323
2071	return unless $self->dirty;	2324	return unless $self->dirty;
2072		2325
…		…
2078	return if $self->{deny_save};	2331	return if $self->{deny_save};
2079		2332
2080	local $self->{last_access} = $self->last_access;#d#	2333	local $self->{last_access} = $self->last_access;#d#
2081		2334
2082	cf::async {	2335	cf::async {
		2336	$Coro::current->{desc} = "map player save";
2083	$_->contr->save for $self->players;	2337	$_->contr->save for $self->players;
2084	};	2338	};
		2339
		2340	cf::get_slot 0.02;
2085		2341
2086	if ($uniq) {	2342	if ($uniq) {
2087	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2343	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2088	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2344	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2089	} else {	2345	} else {
2090	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2346	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2091	}	2347	}
2092	}	2348	}
2093		2349
		2350	sub save {
		2351	my ($self) = @_;
		2352
		2353	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2354
		2355	$self->_save;
		2356	}
		2357
2094	sub swap_out {	2358	sub swap_out {
2095	my ($self) = @_;	2359	my ($self) = @_;
2096		2360
2097	# save first because save cedes
2098	$self->save;
2099
2100	my $lock = cf::lock_acquire "map_data:$self->{path}";	2361	my $lock = cf::lock_acquire "map_data:$self->{path}";
2101		2362
		2363	return if $self->in_memory != cf::MAP_ACTIVE;
		2364	return if $self->{deny_save};
2102	return if $self->players;	2365	return if $self->players;
2103	return if $self->in_memory != cf::MAP_IN_MEMORY;
2104	return if $self->{deny_save};
2105		2366
		2367	# first deactivate the map and "unlink" it from the core
		2368	$self->deactivate;
		2369	$_->clear_links_to ($self) for values %cf::MAP;
2106	$self->in_memory (cf::MAP_SWAPPED);	2370	$self->in_memory (cf::MAP_SWAPPED);
		2371
		2372	# then atomically save
		2373	$self->_save;
		2374
		2375	# then free the map
		2376	$self->clear;
		2377	}
		2378
		2379	sub reset_at {
		2380	my ($self) = @_;
		2381
		2382	# TODO: safety, remove and allow resettable per-player maps
		2383	return 1e99 if $self->{deny_reset};
		2384
		2385	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2386	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2387
		2388	$time + $to
		2389	}
		2390
		2391	sub should_reset {
		2392	my ($self) = @_;
		2393
		2394	$self->reset_at <= $cf::RUNTIME
		2395	}
		2396
		2397	sub reset {
		2398	my ($self) = @_;
		2399
		2400	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2401
		2402	return if $self->players;
		2403
		2404	cf::trace "resetting map ", $self->path, "\n";
		2405
		2406	$self->in_memory (cf::MAP_SWAPPED);
		2407
		2408	# need to save uniques path
		2409	unless ($self->{deny_save}) {
		2410	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2411
		2412	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2413	if $uniq;
		2414	}
		2415
		2416	delete $cf::MAP{$self->path};
2107		2417
2108	$self->deactivate;	2418	$self->deactivate;
2109	$_->clear_links_to ($self) for values %cf::MAP;	2419	$_->clear_links_to ($self) for values %cf::MAP;
2110	$self->clear;	2420	$self->clear;
2111	}
2112
2113	sub reset_at {
2114	my ($self) = @_;
2115
2116	# TODO: safety, remove and allow resettable per-player maps
2117	return 1e99 if $self->{deny_reset};
2118
2119	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2120	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2121
2122	$time + $to
2123	}
2124
2125	sub should_reset {
2126	my ($self) = @_;
2127
2128	$self->reset_at <= $cf::RUNTIME
2129	}
2130
2131	sub reset {
2132	my ($self) = @_;
2133
2134	my $lock = cf::lock_acquire "map_data:$self->{path}";
2135
2136	return if $self->players;
2137
2138	warn "resetting map ", $self->path;
2139
2140	$self->in_memory (cf::MAP_SWAPPED);
2141
2142	# need to save uniques path
2143	unless ($self->{deny_save}) {
2144	my $uniq = $self->uniq_path; utf8::encode $uniq;
2145
2146	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2147	if $uniq;
2148	}
2149
2150	delete $cf::MAP{$self->path};
2151
2152	$self->deactivate;
2153	$_->clear_links_to ($self) for values %cf::MAP;
2154	$self->clear;
2155		2421
2156	$self->unlink_save;	2422	$self->unlink_save;
2157	$self->destroy;	2423	$self->destroy;
2158	}	2424	}
2159		2425
…		…
2167		2433
2168	delete $cf::MAP{$self->path};	2434	delete $cf::MAP{$self->path};
2169		2435
2170	$self->unlink_save;	2436	$self->unlink_save;
2171		2437
2172	bless $self, "cf::map";	2438	bless $self, "cf::map::wrap";
2173	delete $self->{deny_reset};	2439	delete $self->{deny_reset};
2174	$self->{deny_save} = 1;	2440	$self->{deny_save} = 1;
2175	$self->reset_timeout (1);	2441	$self->reset_timeout (1);
2176	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2442	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2177		2443
…		…
2226		2492
2227	sub unique_maps() {	2493	sub unique_maps() {
2228	[	2494	[
2229	map {	2495	map {
2230	utf8::decode $_;	2496	utf8::decode $_;
2231	/\.map$/	2497	s/\.map$//; # TODO future compatibility hack
		2498	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2499	? ()
2232	? normalise $_	2500	: normalise $_
2233	: ()
2234	} @{ aio_readdir $UNIQUEDIR or [] }	2501	} @{ aio_readdir $UNIQUEDIR or [] }
2235	]	2502	]
2236	}	2503	}
2237		2504
2238	package cf;	2505	=item cf::map::static_maps
		2506
		2507	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2508	file in the shared directory excluding F</styles> and F</editor>). May
		2509	block.
		2510
		2511	=cut
		2512
		2513	sub static_maps() {
		2514	my @dirs = "";
		2515	my @maps;
		2516
		2517	while (@dirs) {
		2518	my $dir = shift @dirs;
		2519
		2520	next if $dir eq "/styles" || $dir eq "/editor";
		2521
		2522	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2523	or return;
		2524
		2525	for (@$files) {
		2526	s/\.map$// or next;
		2527	utf8::decode $_;
		2528	push @maps, "$dir/$_";
		2529	}
		2530
		2531	push @dirs, map "$dir/$_", @$dirs;
		2532	}
		2533
		2534	\@maps
		2535	}
2239		2536
2240	=back	2537	=back
2241		2538
2242	=head3 cf::object	2539	=head3 cf::object
2243		2540
…		…
2247		2544
2248	=over 4	2545	=over 4
2249		2546
2250	=item $ob->inv_recursive	2547	=item $ob->inv_recursive
2251		2548
2252	Returns the inventory of the object _and_ their inventories, recursively.	2549	Returns the inventory of the object I<and> their inventories, recursively,
		2550	but I<not> the object itself.
2253		2551
2254	=cut	2552	=cut
2255		2553
2256	sub inv_recursive_;	2554	sub inv_recursive_;
2257	sub inv_recursive_ {	2555	sub inv_recursive_ {
…		…
2262	inv_recursive_ inv $_[0]	2560	inv_recursive_ inv $_[0]
2263	}	2561	}
2264		2562
2265	=item $ref = $ob->ref	2563	=item $ref = $ob->ref
2266		2564
2267	creates and returns a persistent reference to an objetc that can be stored as a string.	2565	Creates and returns a persistent reference to an object that can be stored as a string.
2268		2566
2269	=item $ob = cf::object::deref ($refstring)	2567	=item $ob = cf::object::deref ($refstring)
2270		2568
2271	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2569	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2272	even if the object actually exists. May block.	2570	even if the object actually exists. May block.
…		…
2274	=cut	2572	=cut
2275		2573
2276	sub deref {	2574	sub deref {
2277	my ($ref) = @_;	2575	my ($ref) = @_;
2278		2576
2279	# temporary compatibility#TODO#remove
2280	$ref =~ s{^<}{player/<};
2281
2282	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {	2577	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2283	my ($uuid, $name) = ($1, $2);	2578	my ($uuid, $name) = ($1, $2);
2284	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name	2579	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2285	or return;	2580	or return;
2286	$pl->ob->uuid eq $uuid	2581	$pl->ob->uuid eq $uuid
2287	or return;	2582	or return;
…		…
2307	can be C<undef>. Does the right thing when the player is currently in a	2602	can be C<undef>. Does the right thing when the player is currently in a
2308	dialogue with the given NPC character.	2603	dialogue with the given NPC character.
2309		2604
2310	=cut	2605	=cut
2311		2606
		2607	our $SAY_CHANNEL = {
		2608	id => "say",
		2609	title => "Map",
		2610	reply => "say ",
		2611	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2612	};
		2613
		2614	our $CHAT_CHANNEL = {
		2615	id => "chat",
		2616	title => "Chat",
		2617	reply => "chat ",
		2618	tooltip => "Player chat and shouts, global to the server.",
		2619	};
		2620
2312	# rough implementation of a future "reply" method that works	2621	# rough implementation of a future "reply" method that works
2313	# with dialog boxes.	2622	# with dialog boxes.
2314	#TODO: the first argument must go, split into a $npc->reply_to ( method	2623	#TODO: the first argument must go, split into a $npc->reply_to ( method
2315	sub cf::object::player::reply($$$;$) {	2624	sub cf::object::player::reply($$$;$) {
2316	my ($self, $npc, $msg, $flags) = @_;	2625	my ($self, $npc, $msg, $flags) = @_;
…		…
2327	my $dialog = $pl->{npc_dialog};	2636	my $dialog = $pl->{npc_dialog};
2328	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2637	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2329		2638
2330	} else {	2639	} else {
2331	$msg = $npc->name . " says: $msg" if $npc;	2640	$msg = $npc->name . " says: $msg" if $npc;
2332	$self->message ($msg, $flags);	2641	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2333	}	2642	}
2334	}	2643	}
2335	}	2644	}
2336		2645
2337	=item $object->send_msg ($channel, $msg, $color, [extra...])	2646	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2362		2671
2363	=item $player_object->enter_link	2672	=item $player_object->enter_link
2364		2673
2365	Freezes the player and moves him/her to a special map (C<{link}>).	2674	Freezes the player and moves him/her to a special map (C<{link}>).
2366		2675
2367	The player should be reasonably safe there for short amounts of time. You	2676	The player should be reasonably safe there for short amounts of time (e.g.
2368	I<MUST> call C<leave_link> as soon as possible, though.	2677	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2678	though, as the player cannot control the character while it is on the link
		2679	map.
2369		2680
2370	Will never block.	2681	Will never block.
2371		2682
2372	=item $player_object->leave_link ($map, $x, $y)	2683	=item $player_object->leave_link ($map, $x, $y)
2373		2684
…		…
2393	sub cf::object::player::enter_link {	2704	sub cf::object::player::enter_link {
2394	my ($self) = @_;	2705	my ($self) = @_;
2395		2706
2396	$self->deactivate_recursive;	2707	$self->deactivate_recursive;
2397		2708
		2709	++$self->{_link_recursion};
		2710
2398	return if UNIVERSAL::isa $self->map, "ext::map_link";	2711	return if UNIVERSAL::isa $self->map, "ext::map_link";
2399		2712
2400	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2713	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2401	if $self->map && $self->map->{path} ne "{link}";	2714	if $self->map && $self->map->{path} ne "{link}";
2402		2715
2403	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2716	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2404	}	2717	}
2405		2718
2406	sub cf::object::player::leave_link {	2719	sub cf::object::player::leave_link {
2407	my ($self, $map, $x, $y) = @_;	2720	my ($self, $map, $x, $y) = @_;
2408		2721
…		…
2425	($x, $y) = (-1, -1)	2738	($x, $y) = (-1, -1)
2426	unless (defined $x) && (defined $y);	2739	unless (defined $x) && (defined $y);
2427		2740
2428	# use -1 or undef as default coordinates, not 0, 0	2741	# use -1 or undef as default coordinates, not 0, 0
2429	($x, $y) = ($map->enter_x, $map->enter_y)	2742	($x, $y) = ($map->enter_x, $map->enter_y)
2430	if $x <=0 && $y <= 0;	2743	if $x <= 0 && $y <= 0;
2431		2744
2432	$map->load;	2745	$map->load;
2433	$map->load_neighbours;	2746	$map->load_neighbours;
2434		2747
2435	return unless $self->contr->active;	2748	return unless $self->contr->active;
2436	$self->activate_recursive;
2437		2749
2438	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2750	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2439	$self->enter_map ($map, $x, $y);	2751	if ($self->enter_map ($map, $x, $y)) {
2440	}	2752	# entering was successful
		2753	delete $self->{_link_recursion};
		2754	# only activate afterwards, to support waiting in hooks
		2755	$self->activate_recursive;
		2756	}
2441		2757
		2758	}
		2759
2442	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2760	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2443		2761
2444	Moves the player to the given map-path and coordinates by first freezing	2762	Moves the player to the given map-path and coordinates by first freezing
2445	her, loading and preparing them map, calling the provided $check callback	2763	her, loading and preparing them map, calling the provided $check callback
2446	that has to return the map if sucecssful, and then unfreezes the player on	2764	that has to return the map if sucecssful, and then unfreezes the player on
2447	the new (success) or old (failed) map position. In either case, $done will	2765	the new (success) or old (failed) map position. In either case, $done will
2448	be called at the end of this process.	2766	be called at the end of this process.
2449		2767
		2768	Note that $check will be called with a potentially non-loaded map, so if
		2769	it needs a loaded map it has to call C<< ->load >>.
		2770
2450	=cut	2771	=cut
2451		2772
2452	our $GOTOGEN;	2773	our $GOTOGEN;
2453		2774
2454	sub cf::object::player::goto {	2775	sub cf::object::player::goto {
2455	my ($self, $path, $x, $y, $check, $done) = @_;	2776	my ($self, $path, $x, $y, $check, $done) = @_;
2456		2777
		2778	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2779	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2780	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2781	($path, $x, $y) = @$EMERGENCY_POSITION;
		2782	}
		2783
2457	# do generation counting so two concurrent goto's will be executed in-order	2784	# do generation counting so two concurrent goto's will be executed in-order
2458	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2785	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2459		2786
2460	$self->enter_link;	2787	$self->enter_link;
2461		2788
2462	(async {	2789	(async {
		2790	$Coro::current->{desc} = "player::goto $path $x $y";
		2791
		2792	# *tag paths override both path and x|y
		2793	if ($path =~ /^\*(.*)$/) {
		2794	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2795	my $ob = $obs[rand @obs];
		2796
		2797	# see if we actually can go there
		2798	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2799	$ob = $obs[rand @obs];
		2800	} else {
		2801	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2802	}
		2803	# else put us there anyways for now #d#
		2804
		2805	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2806	} else {
		2807	($path, $x, $y) = (undef, undef, undef);
		2808	}
		2809	}
		2810
2463	my $map = eval {	2811	my $map = eval {
2464	my $map = cf::map::find $path;	2812	my $map = defined $path ? cf::map::find $path : undef;
2465		2813
2466	if ($map) {	2814	if ($map) {
2467	$map = $map->customise_for ($self);	2815	$map = $map->customise_for ($self);
2468	$map = $check->($map) if $check && $map;	2816	$map = $check->($map, $x, $y, $self) if $check && $map;
2469	} else {	2817	} else {
2470	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2818	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2471	}	2819	}
2472		2820
2473	$map	2821	$map
2474	};	2822	};
2475		2823
…		…
2481	if ($gen == $self->{_goto_generation}) {	2829	if ($gen == $self->{_goto_generation}) {
2482	delete $self->{_goto_generation};	2830	delete $self->{_goto_generation};
2483	$self->leave_link ($map, $x, $y);	2831	$self->leave_link ($map, $x, $y);
2484	}	2832	}
2485		2833
2486	$done->() if $done;	2834	$done->($self) if $done;
2487	})->prio (1);	2835	})->prio (1);
2488	}	2836	}
2489		2837
2490	=item $player_object->enter_exit ($exit_object)	2838	=item $player_object->enter_exit ($exit_object)
2491		2839
…		…
2511	}	2859	}
2512		2860
2513	sub prepare_random_map {	2861	sub prepare_random_map {
2514	my ($exit) = @_;	2862	my ($exit) = @_;
2515		2863
2516	my $guard = cf::lock_acquire "exit_prepare:$exit";
2517
2518	# all this does is basically replace the /! path by	2864	# all this does is basically replace the /! path by
2519	# a new random map path (?random/...) with a seed	2865	# a new random map path (?random/...) with a seed
2520	# that depends on the exit object	2866	# that depends on the exit object
2521		2867
2522	my $rmp = parse_random_map_params $exit->msg;	2868	my $rmp = parse_random_map_params $exit->msg;
…		…
2524	if ($exit->map) {	2870	if ($exit->map) {
2525	$rmp->{region} = $exit->region->name;	2871	$rmp->{region} = $exit->region->name;
2526	$rmp->{origin_map} = $exit->map->path;	2872	$rmp->{origin_map} = $exit->map->path;
2527	$rmp->{origin_x} = $exit->x;	2873	$rmp->{origin_x} = $exit->x;
2528	$rmp->{origin_y} = $exit->y;	2874	$rmp->{origin_y} = $exit->y;
		2875
		2876	$exit->map->touch;
2529	}	2877	}
2530		2878
2531	$rmp->{random_seed} ||= $exit->random_seed;	2879	$rmp->{random_seed} ||= $exit->random_seed;
2532		2880
2533	my $data = cf::to_json $rmp;	2881	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2534	my $md5 = Digest::MD5::md5_hex $data;	2882	my $md5 = Digest::MD5::md5_hex $data;
2535	my $meta = "$RANDOMDIR/$md5.meta";	2883	my $meta = "$RANDOMDIR/$md5.meta";
2536		2884
2537	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2885	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2538	aio_write $fh, 0, (length $data), $data, 0;	2886	aio_write $fh, 0, (length $data), $data, 0;
2539	undef $fh;	2887	undef $fh;
2540	aio_rename "$meta~", $meta;	2888	aio_rename "$meta~", $meta;
2541		2889
		2890	my $slaying = "?random/$md5";
		2891
		2892	if ($exit->valid) {
2542	$exit->slaying ("?random/$md5");	2893	$exit->slaying ("?random/$md5");
2543	$exit->msg (undef);	2894	$exit->msg (undef);
		2895	}
2544	}	2896	}
2545	}	2897	}
2546		2898
2547	sub cf::object::player::enter_exit {	2899	sub cf::object::player::enter_exit {
2548	my ($self, $exit) = @_;	2900	my ($self, $exit) = @_;
2549		2901
2550	return unless $self->type == cf::PLAYER;	2902	return unless $self->type == cf::PLAYER;
2551		2903
2552	if ($exit->slaying eq "/!") {
2553	#TODO: this should de-fi-ni-te-ly not be a sync-job
2554	# the problem is that $exit might not survive long enough
2555	# so it needs to be done right now, right here
2556	cf::sync_job { prepare_random_map $exit };
2557	}
2558
2559	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2560	my $hp = $exit->stats->hp;
2561	my $sp = $exit->stats->sp;
2562
2563	$self->enter_link;	2904	$self->enter_link;
2564		2905
2565	# if exit is damned, update players death & WoR home-position
2566	$self->contr->savebed ($slaying, $hp, $sp)
2567	if $exit->flag (FLAG_DAMNED);
2568
2569	(async {	2906	(async {
2570	$self->deactivate_recursive; # just to be sure	2907	$Coro::current->{desc} = "enter_exit";
		2908
2571	unless (eval {	2909	unless (eval {
		2910	$self->deactivate_recursive; # just to be sure
		2911
		2912	# random map handling
		2913	{
		2914	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2915
		2916	prepare_random_map $exit
		2917	if $exit->slaying eq "/!";
		2918	}
		2919
		2920	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2921	my $x = $exit->stats->hp;
		2922	my $y = $exit->stats->sp;
		2923
2572	$self->goto ($slaying, $hp, $sp);	2924	$self->goto ($map, $x, $y);
2573		2925
		2926	# if exit is damned, update players death & WoR home-position
		2927	$self->contr->savebed ($map, $x, $y)
		2928	if $exit->flag (cf::FLAG_DAMNED);
		2929
2574	1;	2930	1
2575	}) {	2931	}) {
2576	$self->message ("Something went wrong deep within the crossfire server. "	2932	$self->message ("Something went wrong deep within the deliantra server. "
2577	. "I'll try to bring you back to the map you were before. "	2933	. "I'll try to bring you back to the map you were before. "
2578	. "Please report this to the dungeon master!",	2934	. "Please report this to the dungeon master!",
2579	cf::NDI_UNIQUE | cf::NDI_RED);	2935	cf::NDI_UNIQUE | cf::NDI_RED);
2580		2936
2581	warn "ERROR in enter_exit: $@";	2937	error "ERROR in enter_exit: $@";
2582	$self->leave_link;	2938	$self->leave_link;
2583	}	2939	}
2584	})->prio (1);	2940	})->prio (1);
2585	}	2941	}
2586		2942
…		…
2598	sub cf::client::send_drawinfo {	2954	sub cf::client::send_drawinfo {
2599	my ($self, $text, $flags) = @_;	2955	my ($self, $text, $flags) = @_;
2600		2956
2601	utf8::encode $text;	2957	utf8::encode $text;
2602	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2958	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2959	}
		2960
		2961	=item $client->send_big_packet ($pkt)
		2962
		2963	Like C<send_packet>, but tries to compress large packets, and fragments
		2964	them as required.
		2965
		2966	=cut
		2967
		2968	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2969
		2970	sub cf::client::send_big_packet {
		2971	my ($self, $pkt) = @_;
		2972
		2973	# try lzf for large packets
		2974	$pkt = "lzf " . Compress::LZF::compress $pkt
		2975	if 1024 <= length $pkt and $self->{can_lzf};
		2976
		2977	# split very large packets
		2978	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2979	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2980	$pkt = "frag";
		2981	}
		2982
		2983	$self->send_packet ($pkt);
2603	}	2984	}
2604		2985
2605	=item $client->send_msg ($channel, $msg, $color, [extra...])	2986	=item $client->send_msg ($channel, $msg, $color, [extra...])
2606		2987
2607	Send a drawinfo or msg packet to the client, formatting the msg for the	2988	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2609	the message, with C<log> being the default. If C<$color> is negative, suppress	2990	the message, with C<log> being the default. If C<$color> is negative, suppress
2610	the message unless the client supports the msg packet.	2991	the message unless the client supports the msg packet.
2611		2992
2612	=cut	2993	=cut
2613		2994
		2995	# non-persistent channels (usually the info channel)
2614	our %CHANNEL = (	2996	our %CHANNEL = (
		2997	"c/motd" => {
		2998	id => "infobox",
		2999	title => "MOTD",
		3000	reply => undef,
		3001	tooltip => "The message of the day",
		3002	},
2615	"c/identify" => {	3003	"c/identify" => {
2616	id => "identify",	3004	id => "infobox",
2617	title => "Identify",	3005	title => "Identify",
2618	reply => undef,	3006	reply => undef,
2619	tooltip => "Items recently identified",	3007	tooltip => "Items recently identified",
2620	},	3008	},
2621	"c/examine" => {	3009	"c/examine" => {
2622	id => "examine",	3010	id => "infobox",
2623	title => "Examine",	3011	title => "Examine",
2624	reply => undef,	3012	reply => undef,
2625	tooltip => "Signs and other items you examined",	3013	tooltip => "Signs and other items you examined",
2626	},	3014	},
		3015	"c/shopinfo" => {
		3016	id => "infobox",
		3017	title => "Shop Info",
		3018	reply => undef,
		3019	tooltip => "What your bargaining skill tells you about the shop",
		3020	},
		3021	"c/book" => {
		3022	id => "infobox",
		3023	title => "Book",
		3024	reply => undef,
		3025	tooltip => "The contents of a note or book",
		3026	},
		3027	"c/lookat" => {
		3028	id => "infobox",
		3029	title => "Look",
		3030	reply => undef,
		3031	tooltip => "What you saw there",
		3032	},
		3033	"c/who" => {
		3034	id => "infobox",
		3035	title => "Players",
		3036	reply => undef,
		3037	tooltip => "Shows players who are currently online",
		3038	},
		3039	"c/body" => {
		3040	id => "infobox",
		3041	title => "Body Parts",
		3042	reply => undef,
		3043	tooltip => "Shows which body parts you posess and are available",
		3044	},
		3045	"c/statistics" => {
		3046	id => "infobox",
		3047	title => "Statistics",
		3048	reply => undef,
		3049	tooltip => "Shows your primary statistics",
		3050	},
		3051	"c/skills" => {
		3052	id => "infobox",
		3053	title => "Skills",
		3054	reply => undef,
		3055	tooltip => "Shows your experience per skill and item power",
		3056	},
		3057	"c/shopitems" => {
		3058	id => "infobox",
		3059	title => "Shop Items",
		3060	reply => undef,
		3061	tooltip => "Shows the items currently for sale in this shop",
		3062	},
		3063	"c/resistances" => {
		3064	id => "infobox",
		3065	title => "Resistances",
		3066	reply => undef,
		3067	tooltip => "Shows your resistances",
		3068	},
		3069	"c/pets" => {
		3070	id => "infobox",
		3071	title => "Pets",
		3072	reply => undef,
		3073	tooltip => "Shows information abotu your pets/a specific pet",
		3074	},
		3075	"c/perceiveself" => {
		3076	id => "infobox",
		3077	title => "Perceive Self",
		3078	reply => undef,
		3079	tooltip => "You gained detailed knowledge about yourself",
		3080	},
		3081	"c/uptime" => {
		3082	id => "infobox",
		3083	title => "Uptime",
		3084	reply => undef,
		3085	tooltip => "How long the server has been running since last restart",
		3086	},
		3087	"c/mapinfo" => {
		3088	id => "infobox",
		3089	title => "Map Info",
		3090	reply => undef,
		3091	tooltip => "Information related to the maps",
		3092	},
		3093	"c/party" => {
		3094	id => "party",
		3095	title => "Party",
		3096	reply => "gsay ",
		3097	tooltip => "Messages and chat related to your party",
		3098	},
		3099	"c/death" => {
		3100	id => "death",
		3101	title => "Death",
		3102	reply => undef,
		3103	tooltip => "Reason for and more info about your most recent death",
		3104	},
		3105	"c/say" => $SAY_CHANNEL,
		3106	"c/chat" => $CHAT_CHANNEL,
2627	);	3107	);
2628		3108
2629	sub cf::client::send_msg {	3109	sub cf::client::send_msg {
2630	my ($self, $channel, $msg, $color, @extra) = @_;	3110	my ($self, $channel, $msg, $color, @extra) = @_;
2631		3111
2632	$msg = $self->pl->expand_cfpod ($msg);	3112	$msg = $self->pl->expand_cfpod ($msg)
		3113	unless $color & cf::NDI_VERBATIM;
2633		3114
2634	$color &= cf::NDI_CLIENT_MASK; # just in case...	3115	$color &= cf::NDI_CLIENT_MASK; # just in case...
2635		3116
2636	# check predefined channels, for the benefit of C	3117	# check predefined channels, for the benefit of C
2637	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};	3118	if ($CHANNEL{$channel}) {
		3119	$channel = $CHANNEL{$channel};
2638		3120
		3121	$self->ext_msg (channel_info => $channel);
		3122	$channel = $channel->{id};
		3123
2639	if (ref $channel) {	3124	} elsif (ref $channel) {
2640	# send meta info to client, if not yet sent	3125	# send meta info to client, if not yet sent
2641	unless (exists $self->{channel}{$channel->{id}}) {	3126	unless (exists $self->{channel}{$channel->{id}}) {
2642	$self->{channel}{$channel->{id}} = $channel;	3127	$self->{channel}{$channel->{id}} = $channel;
2643	$self->ext_msg (channel_info => $channel)	3128	$self->ext_msg (channel_info => $channel);
2644	if $self->can_msg;
2645	}	3129	}
2646		3130
2647	$channel = $channel->{id};	3131	$channel = $channel->{id};
2648	}	3132	}
2649		3133
2650	return unless @extra || length $msg;	3134	return unless @extra || length $msg;
2651		3135
2652	if ($self->can_msg) {
2653	# default colour, mask it out	3136	# default colour, mask it out
2654	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3137	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2655	if $color & cf::NDI_DEF;	3138	if $color & cf::NDI_DEF;
2656		3139
2657	$self->send_packet ("msg " . $self->{json_coder}->encode (	3140	my $pkt = "msg "
		3141	. $self->{json_coder}->encode (
2658	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3142	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2659	} else {	3143	);
2660	if ($color >= 0) {
2661	# replace some tags by gcfclient-compatible ones
2662	for ($msg) {
2663	1 while
2664	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2665	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2666	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2667	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2668	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2669	}
2670		3144
2671	$color &= cf::NDI_COLOR_MASK;	3145	$self->send_big_packet ($pkt);
2672
2673	utf8::encode $msg;
2674
2675	if (0 && $msg =~ /\[/) {
2676	# COMMAND/INFO
2677	$self->send_packet ("drawextinfo $color 10 8 $msg")
2678	} else {
2679	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2680	$self->send_packet ("drawinfo $color $msg")
2681	}
2682	}
2683	}
2684	}	3146	}
2685		3147
2686	=item $client->ext_msg ($type, @msg)	3148	=item $client->ext_msg ($type, @msg)
2687		3149
2688	Sends an ext event to the client.	3150	Sends an ext event to the client.
…		…
2691		3153
2692	sub cf::client::ext_msg($$@) {	3154	sub cf::client::ext_msg($$@) {
2693	my ($self, $type, @msg) = @_;	3155	my ($self, $type, @msg) = @_;
2694		3156
2695	if ($self->extcmd == 2) {	3157	if ($self->extcmd == 2) {
2696	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3158	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2697	} elsif ($self->extcmd == 1) { # TODO: remove	3159	} elsif ($self->extcmd == 1) { # TODO: remove
2698	push @msg, msgtype => "event_$type";	3160	push @msg, msgtype => "event_$type";
2699	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3161	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2700	}	3162	}
2701	}	3163	}
2702		3164
2703	=item $client->ext_reply ($msgid, @msg)	3165	=item $client->ext_reply ($msgid, @msg)
2704		3166
…		…
2708		3170
2709	sub cf::client::ext_reply($$@) {	3171	sub cf::client::ext_reply($$@) {
2710	my ($self, $id, @msg) = @_;	3172	my ($self, $id, @msg) = @_;
2711		3173
2712	if ($self->extcmd == 2) {	3174	if ($self->extcmd == 2) {
2713	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3175	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2714	} elsif ($self->extcmd == 1) {	3176	} elsif ($self->extcmd == 1) {
2715	#TODO: version 1, remove	3177	#TODO: version 1, remove
2716	unshift @msg, msgtype => "reply", msgid => $id;	3178	unshift @msg, msgtype => "reply", msgid => $id;
2717	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3179	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2718	}	3180	}
2719	}	3181	}
2720		3182
2721	=item $success = $client->query ($flags, "text", \&cb)	3183	=item $success = $client->query ($flags, "text", \&cb)
2722		3184
…		…
2793		3255
2794	$ns->ext_reply ($reply, @reply)	3256	$ns->ext_reply ($reply, @reply)
2795	if $reply;	3257	if $reply;
2796		3258
2797	} else {	3259	} else {
2798	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3260	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2799	}	3261	}
2800		3262
2801	cf::override;	3263	cf::override;
2802	},	3264	},
2803	);	3265	);
…		…
2823		3285
2824	$coro	3286	$coro
2825	}	3287	}
2826		3288
2827	cf::client->attach (	3289	cf::client->attach (
2828	on_destroy => sub {	3290	on_client_destroy => sub {
2829	my ($ns) = @_;	3291	my ($ns) = @_;
2830		3292
2831	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3293	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2832	},	3294	},
2833	);	3295	);
…		…
2849	our $safe_hole = new Safe::Hole;	3311	our $safe_hole = new Safe::Hole;
2850		3312
2851	$SIG{FPE} = 'IGNORE';	3313	$SIG{FPE} = 'IGNORE';
2852		3314
2853	$safe->permit_only (Opcode::opset qw(	3315	$safe->permit_only (Opcode::opset qw(
2854	:base_core :base_mem :base_orig :base_math	3316	:base_core :base_mem :base_orig :base_math :base_loop
2855	grepstart grepwhile mapstart mapwhile	3317	grepstart grepwhile mapstart mapwhile
2856	sort time	3318	sort time
2857	));	3319	));
2858		3320
2859	# here we export the classes and methods available to script code	3321	# here we export the classes and methods available to script code
…		…
2861	=pod	3323	=pod
2862		3324
2863	The following functions and methods are available within a safe environment:	3325	The following functions and methods are available within a safe environment:
2864		3326
2865	cf::object	3327	cf::object
2866	contr pay_amount pay_player map x y force_find force_add	3328	contr pay_amount pay_player map x y force_find force_add destroy
2867	insert remove name archname title slaying race decrease_ob_nr	3329	insert remove name archname title slaying race decrease split
		3330	value
2868		3331
2869	cf::object::player	3332	cf::object::player
2870	player	3333	player
2871		3334
2872	cf::player	3335	cf::player
…		…
2877		3340
2878	=cut	3341	=cut
2879		3342
2880	for (	3343	for (
2881	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3344	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2882	insert remove inv name archname title slaying race	3345	insert remove inv nrof name archname title slaying race
2883	decrease_ob_nr)],	3346	decrease split destroy change_exp value msg lore send_msg)],
2884	["cf::object::player" => qw(player)],	3347	["cf::object::player" => qw(player)],
2885	["cf::player" => qw(peaceful)],	3348	["cf::player" => qw(peaceful send_msg)],
2886	["cf::map" => qw(trigger)],	3349	["cf::map" => qw(trigger)],
2887	) {	3350	) {
2888	no strict 'refs';
2889	my ($pkg, @funs) = @$_;	3351	my ($pkg, @funs) = @$_;
2890	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3352	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2891	for @funs;	3353	for @funs;
2892	}	3354	}
2893		3355
…		…
2908		3370
2909	my $qcode = $code;	3371	my $qcode = $code;
2910	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3372	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2911	$qcode =~ s/\n/\\n/g;	3373	$qcode =~ s/\n/\\n/g;
2912		3374
		3375	%vars = (_dummy => 0) unless %vars;
		3376
		3377	my @res;
2913	local $_;	3378	local $_;
2914	local @safe::cf::_safe_eval_args = values %vars;
2915		3379
2916	my $eval =	3380	my $eval =
2917	"do {\n"	3381	"do {\n"
2918	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3382	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2919	. "#line 0 \"{$qcode}\"\n"	3383	. "#line 0 \"{$qcode}\"\n"
2920	. $code	3384	. $code
2921	. "\n}"	3385	. "\n}"
2922	;	3386	;
2923		3387
		3388	if ($CFG{safe_eval}) {
2924	sub_generation_inc;	3389	sub_generation_inc;
		3390	local @safe::cf::_safe_eval_args = values %vars;
2925	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3391	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2926	sub_generation_inc;	3392	sub_generation_inc;
		3393	} else {
		3394	local @cf::_safe_eval_args = values %vars;
		3395	@res = wantarray ? eval eval : scalar eval $eval;
		3396	}
2927		3397
2928	if ($@) {	3398	if ($@) {
2929	warn "$@";	3399	warn "$@",
2930	warn "while executing safe code '$code'\n";	3400	"while executing safe code '$code'\n",
2931	warn "with arguments " . (join " ", %vars) . "\n";	3401	"with arguments " . (join " ", %vars) . "\n";
2932	}	3402	}
2933		3403
2934	wantarray ? @res : $res[0]	3404	wantarray ? @res : $res[0]
2935	}	3405	}
2936		3406
…		…
2950	=cut	3420	=cut
2951		3421
2952	sub register_script_function {	3422	sub register_script_function {
2953	my ($fun, $cb) = @_;	3423	my ($fun, $cb) = @_;
2954		3424
2955	no strict 'refs';	3425	$fun = "safe::$fun" if $CFG{safe_eval};
2956	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3426	*$fun = $safe_hole->wrap ($cb);
2957	}	3427	}
2958		3428
2959	=back	3429	=back
2960		3430
2961	=cut	3431	=cut
…		…
2970	# for this (global event?)	3440	# for this (global event?)
2971	%ext::player_env::MUSIC_FACE_CACHE = ();	3441	%ext::player_env::MUSIC_FACE_CACHE = ();
2972		3442
2973	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3443	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2974		3444
2975	warn "loading facedata from $path\n";	3445	trace "loading facedata from $path\n";
2976		3446
2977	my $facedata;	3447	my $facedata = decode_storable load_file $path;
2978	0 < aio_load $path, $facedata
2979	or die "$path: $!";
2980
2981	$facedata = Coro::Storable::thaw $facedata;
2982		3448
2983	$facedata->{version} == 2	3449	$facedata->{version} == 2
2984	or cf::cleanup "$path: version mismatch, cannot proceed.";	3450	or cf::cleanup "$path: version mismatch, cannot proceed.";
2985		3451
2986	# patch in the exptable	3452	# patch in the exptable
		3453	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2987	$facedata->{resource}{"res/exp_table"} = {	3454	$facedata->{resource}{"res/exp_table"} = {
2988	type => FT_RSRC,	3455	type => FT_RSRC,
2989	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3456	data => $exp_table,
		3457	hash => (Digest::MD5::md5 $exp_table),
2990	};	3458	};
2991	cf::cede_to_tick;	3459	cf::cede_to_tick;
2992		3460
2993	{	3461	{
2994	my $faces = $facedata->{faceinfo};	3462	my $faces = $facedata->{faceinfo};
2995		3463
2996	while (my ($face, $info) = each %$faces) {	3464	while (my ($face, $info) = each %$faces) {
2997	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3465	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3466
2998	cf::face::set_visibility $idx, $info->{visibility};	3467	cf::face::set_visibility $idx, $info->{visibility};
2999	cf::face::set_magicmap $idx, $info->{magicmap};	3468	cf::face::set_magicmap $idx, $info->{magicmap};
3000	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3469	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3001	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3470	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3471	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
3002		3472
3003	cf::cede_to_tick;	3473	cf::cede_to_tick;
3004	}	3474	}
3005		3475
3006	while (my ($face, $info) = each %$faces) {	3476	while (my ($face, $info) = each %$faces) {
3007	next unless $info->{smooth};	3477	next unless $info->{smooth};
		3478
3008	my $idx = cf::face::find $face	3479	my $idx = cf::face::find $face
3009	or next;	3480	or next;
		3481
3010	if (my $smooth = cf::face::find $info->{smooth}) {	3482	if (my $smooth = cf::face::find $info->{smooth}) {
3011	cf::face::set_smooth $idx, $smooth;	3483	cf::face::set_smooth $idx, $smooth;
3012	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3484	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3013	} else {	3485	} else {
3014	warn "smooth face '$info->{smooth}' not found for face '$face'";	3486	error "smooth face '$info->{smooth}' not found for face '$face'";
3015	}	3487	}
3016		3488
3017	cf::cede_to_tick;	3489	cf::cede_to_tick;
3018	}	3490	}
3019	}	3491	}
…		…
3028		3500
3029	cf::anim::invalidate_all; # d'oh	3501	cf::anim::invalidate_all; # d'oh
3030	}	3502	}
3031		3503
3032	{	3504	{
3033	# TODO: for gcfclient pleasure, we should give resources
3034	# that gcfclient doesn't grok a >10000 face index.
3035	my $res = $facedata->{resource};	3505	my $res = $facedata->{resource};
3036		3506
3037	my $soundconf = delete $res->{"res/sound.conf"};
3038
3039	while (my ($name, $info) = each %$res) {	3507	while (my ($name, $info) = each %$res) {
		3508	if (defined $info->{type}) {
3040	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3509	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3041	my $data;
3042		3510
3043	if ($info->{type} & 1) {	3511	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3044	# prepend meta info	3512	cf::face::set_type $idx, $info->{type};
3045
3046	my $meta = $enc->encode ({
3047	name => $name,
3048	%{ $info->{meta} || {} },
3049	});
3050
3051	$data = pack "(w/a*)*", $meta, $info->{data};
3052	} else {	3513	} else {
3053	$data = $info->{data};	3514	$RESOURCE{$name} = $info; # unused
3054	}	3515	}
3055		3516
3056	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3057	cf::face::set_type $idx, $info->{type};
3058
3059	cf::cede_to_tick;	3517	cf::cede_to_tick;
3060	}	3518	}
3061
3062	if ($soundconf) {
3063	$soundconf = $enc->decode (delete $soundconf->{data});
3064
3065	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3066	my $sound = $soundconf->{compat}[$_]
3067	or next;
3068
3069	my $face = cf::face::find "sound/$sound->[1]";
3070	cf::sound::set $sound->[0] => $face;
3071	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3072	}
3073
3074	while (my ($k, $v) = each %{$soundconf->{event}}) {
3075	my $face = cf::face::find "sound/$v";
3076	cf::sound::set $k => $face;
3077	}
3078	}
3079	}	3519	}
		3520
		3521	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3080		3522
3081	1	3523	1
3082	}	3524	}
3083		3525
3084	register_exticmd fx_want => sub {	3526	register_exticmd fx_want => sub {
…		…
3086		3528
3087	while (my ($k, $v) = each %$want) {	3529	while (my ($k, $v) = each %$want) {
3088	$ns->fx_want ($k, $v);	3530	$ns->fx_want ($k, $v);
3089	}	3531	}
3090	};	3532	};
		3533
		3534	sub load_resource_file($) {
		3535	my $guard = lock_acquire "load_resource_file";
		3536
		3537	my $status = load_resource_file_ $_[0];
		3538	get_slot 0.1, 100;
		3539	cf::arch::commit_load;
		3540
		3541	$status
		3542	}
3091		3543
3092	sub reload_regions {	3544	sub reload_regions {
3093	# HACK to clear player env face cache, we need some signal framework	3545	# HACK to clear player env face cache, we need some signal framework
3094	# for this (global event?)	3546	# for this (global event?)
3095	%ext::player_env::MUSIC_FACE_CACHE = ();	3547	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3109	}	3561	}
3110		3562
3111	sub reload_archetypes {	3563	sub reload_archetypes {
3112	load_resource_file "$DATADIR/archetypes"	3564	load_resource_file "$DATADIR/archetypes"
3113	or die "unable to load archetypes\n";	3565	or die "unable to load archetypes\n";
3114	#d# NEED to laod twice to resolve forward references
3115	# this really needs to be done in an extra post-pass
3116	# (which needs to be synchronous, so solve it differently)
3117	load_resource_file "$DATADIR/archetypes"
3118	or die "unable to load archetypes\n";
3119	}	3566	}
3120		3567
3121	sub reload_treasures {	3568	sub reload_treasures {
3122	load_resource_file "$DATADIR/treasures"	3569	load_resource_file "$DATADIR/treasures"
3123	or die "unable to load treasurelists\n";	3570	or die "unable to load treasurelists\n";
3124	}	3571	}
3125		3572
		3573	sub reload_sound {
		3574	trace "loading sound config from $DATADIR/sound\n";
		3575
		3576	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3577
		3578	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3579	my $sound = $soundconf->{compat}[$_]
		3580	or next;
		3581
		3582	my $face = cf::face::find "sound/$sound->[1]";
		3583	cf::sound::set $sound->[0] => $face;
		3584	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3585	}
		3586
		3587	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3588	my $face = cf::face::find "sound/$v";
		3589	cf::sound::set $k => $face;
		3590	}
		3591	}
		3592
3126	sub reload_resources {	3593	sub reload_resources {
3127	warn "reloading resource files...\n";	3594	trace "reloading resource files...\n";
3128		3595
		3596	reload_exp_table;
		3597	reload_materials;
		3598	reload_facedata;
		3599	reload_sound;
		3600	reload_archetypes;
3129	reload_regions;	3601	reload_regions;
3130	reload_facedata;
3131	#reload_archetypes;#d#
3132	reload_archetypes;
3133	reload_treasures;	3602	reload_treasures;
3134		3603
3135	warn "finished reloading resource files\n";	3604	trace "finished reloading resource files\n";
3136	}
3137
3138	sub init {
3139	reload_resources;
3140	}	3605	}
3141		3606
3142	sub reload_config {	3607	sub reload_config {
3143	open my $fh, "<:utf8", "$CONFDIR/config"	3608	trace "reloading config file...\n";
3144	or return;
3145		3609
3146	local $/;	3610	my $config = load_file "$CONFDIR/config";
3147	*CFG = YAML::Syck::Load <$fh>;	3611	utf8::decode $config;
		3612	*CFG = decode_yaml $config;
3148		3613
3149	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3614	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3150		3615
3151	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3616	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3152	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3617	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3153		3618
3154	if (exists $CFG{mlockall}) {	3619	if (exists $CFG{mlockall}) {
…		…
3158	};	3623	};
3159	warn $@ if $@;	3624	warn $@ if $@;
3160	}	3625	}
3161	}	3626	}
3162		3627
		3628	sub pidfile() {
		3629	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3630	or die "$PIDFILE: $!";
		3631	flock $fh, &Fcntl::LOCK_EX
		3632	or die "$PIDFILE: flock: $!";
		3633	$fh
		3634	}
		3635
		3636	# make sure only one server instance is running at any one time
		3637	sub atomic {
		3638	my $fh = pidfile;
		3639
		3640	my $pid = <$fh>;
		3641	kill 9, $pid if $pid > 0;
		3642
		3643	seek $fh, 0, 0;
		3644	print $fh $$;
		3645	}
		3646
		3647	sub main_loop {
		3648	trace "EV::loop starting\n";
		3649	if (1) {
		3650	EV::loop;
		3651	}
		3652	trace "EV::loop returned\n";
		3653	goto &main_loop unless $REALLY_UNLOOP;
		3654	}
		3655
3163	sub main {	3656	sub main {
		3657	cf::init_globals; # initialise logging
		3658
		3659	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3660	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3661	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3662	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3663
		3664	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3665
3164	# we must not ever block the main coroutine	3666	# we must not ever block the main coroutine
3165	local $Coro::idle = sub {	3667	local $Coro::idle = sub {
3166	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3668	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3167	(async {	3669	(async {
3168	Event::one_event;	3670	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3671	EV::loop EV::LOOP_ONESHOT;
3169	})->prio (Coro::PRIO_MAX);	3672	})->prio (Coro::PRIO_MAX);
3170	};	3673	};
3171		3674
		3675	evthread_start IO::AIO::poll_fileno;
		3676
		3677	cf::sync_job {
		3678	cf::incloader::init ();
		3679
		3680	cf::init_anim;
		3681	cf::init_attackmess;
		3682	cf::init_dynamic;
		3683
		3684	cf::load_settings;
		3685
		3686	reload_resources;
3172	reload_config;	3687	reload_config;
3173	db_init;	3688	db_init;
		3689
		3690	cf::init_uuid;
		3691	cf::init_signals;
		3692	cf::init_skills;
		3693
		3694	cf::init_beforeplay;
		3695
		3696	atomic;
		3697
3174	load_extensions;	3698	load_extensions;
3175		3699
3176	$TICK_WATCHER->start;	3700	utime time, time, $RUNTIMEFILE;
3177	Event::loop;	3701
		3702	# no (long-running) fork's whatsoever before this point(!)
		3703	use POSIX ();
		3704	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3705
		3706	cf::_post_init 0;
		3707	};
		3708
		3709	cf::object::thawer::errors_are_fatal 0;
		3710	info "parse errors in files are no longer fatal from this point on.\n";
		3711
		3712	my $free_main; $free_main = EV::idle sub {
		3713	undef $free_main;
		3714	undef &main; # free gobs of memory :)
		3715	};
		3716
		3717	goto &main_loop;
3178	}	3718	}
3179		3719
3180	#############################################################################	3720	#############################################################################
3181	# initialisation and cleanup	3721	# initialisation and cleanup
3182		3722
3183	# install some emergency cleanup handlers	3723	# install some emergency cleanup handlers
3184	BEGIN {	3724	BEGIN {
		3725	our %SIGWATCHER = ();
3185	for my $signal (qw(INT HUP TERM)) {	3726	for my $signal (qw(INT HUP TERM)) {
3186	Event->signal (	3727	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3187	reentrant => 0,
3188	data => WF_AUTOCANCEL,
3189	signal => $signal,
3190	prio => 0,
3191	cb => sub {
3192	cf::cleanup "SIG$signal";	3728	cf::cleanup "SIG$signal";
3193	},
3194	);	3729	};
3195	}	3730	}
3196	}	3731	}
3197		3732
3198	sub write_runtime {	3733	sub write_runtime_sync {
3199	my $runtime = "$LOCALDIR/runtime";	3734	my $t0 = AE::time;
3200		3735
3201	# first touch the runtime file to show we are still running:	3736	# first touch the runtime file to show we are still running:
3202	# the fsync below can take a very very long time.	3737	# the fsync below can take a very very long time.
3203		3738
3204	IO::AIO::aio_utime $runtime, undef, undef;	3739	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3205		3740
3206	my $guard = cf::lock_acquire "write_runtime";	3741	my $guard = cf::lock_acquire "write_runtime";
3207		3742
3208	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3743	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3209	or return;	3744	or return;
3210		3745
3211	my $value = $cf::RUNTIME + 90 + 10;	3746	my $value = $cf::RUNTIME + 90 + 10;
3212	# 10 is the runtime save interval, for a monotonic clock	3747	# 10 is the runtime save interval, for a monotonic clock
3213	# 60 allows for the watchdog to kill the server.	3748	# 60 allows for the watchdog to kill the server.
…		…
3223	aio_utime $fh, undef, undef;	3758	aio_utime $fh, undef, undef;
3224		3759
3225	close $fh	3760	close $fh
3226	or return;	3761	or return;
3227		3762
3228	aio_rename "$runtime~", $runtime	3763	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3229	and return;	3764	and return;
3230		3765
3231	warn "runtime file written.\n";	3766	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3232		3767
3233	1	3768	1
		3769	}
		3770
		3771	our $uuid_lock;
		3772	our $uuid_skip;
		3773
		3774	sub write_uuid_sync($) {
		3775	$uuid_skip ||= $_[0];
		3776
		3777	return if $uuid_lock;
		3778	local $uuid_lock = 1;
		3779
		3780	my $uuid = "$LOCALDIR/uuid";
		3781
		3782	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3783	or return;
		3784
		3785	my $value = uuid_seq uuid_cur;
		3786
		3787	unless ($value) {
		3788	info "cowardly refusing to write zero uuid value!\n";
		3789	return;
		3790	}
		3791
		3792	my $value = uuid_str $value + $uuid_skip;
		3793	$uuid_skip = 0;
		3794
		3795	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3796	and return;
		3797
		3798	# always fsync - this file is important
		3799	aio_fsync $fh
		3800	and return;
		3801
		3802	close $fh
		3803	or return;
		3804
		3805	aio_rename "$uuid~", $uuid
		3806	and return;
		3807
		3808	trace "uuid file written ($value).\n";
		3809
		3810	1
		3811
		3812	}
		3813
		3814	sub write_uuid($$) {
		3815	my ($skip, $sync) = @_;
		3816
		3817	$sync ? write_uuid_sync $skip
		3818	: async { write_uuid_sync $skip };
3234	}	3819	}
3235		3820
3236	sub emergency_save() {	3821	sub emergency_save() {
3237	my $freeze_guard = cf::freeze_mainloop;	3822	my $freeze_guard = cf::freeze_mainloop;
3238		3823
3239	warn "enter emergency perl save\n";	3824	info "emergency_perl_save: enter\n";
		3825
		3826	# this is a trade-off: we want to be very quick here, so
		3827	# save all maps without fsync, and later call a global sync
		3828	# (which in turn might be very very slow)
		3829	local $USE_FSYNC = 0;
3240		3830
3241	cf::sync_job {	3831	cf::sync_job {
		3832	cf::write_runtime_sync; # external watchdog should not bark
		3833
3242	# use a peculiar iteration method to avoid tripping on perl	3834	# use a peculiar iteration method to avoid tripping on perl
3243	# refcount bugs in for. also avoids problems with players	3835	# refcount bugs in for. also avoids problems with players
3244	# and maps saved/destroyed asynchronously.	3836	# and maps saved/destroyed asynchronously.
3245	warn "begin emergency player save\n";	3837	info "emergency_perl_save: begin player save\n";
3246	for my $login (keys %cf::PLAYER) {	3838	for my $login (keys %cf::PLAYER) {
3247	my $pl = $cf::PLAYER{$login} or next;	3839	my $pl = $cf::PLAYER{$login} or next;
3248	$pl->valid or next;	3840	$pl->valid or next;
		3841	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3249	$pl->save;	3842	$pl->save;
3250	}	3843	}
3251	warn "end emergency player save\n";	3844	info "emergency_perl_save: end player save\n";
3252		3845
3253	warn "begin emergency map save\n";	3846	cf::write_runtime_sync; # external watchdog should not bark
		3847
		3848	info "emergency_perl_save: begin map save\n";
3254	for my $path (keys %cf::MAP) {	3849	for my $path (keys %cf::MAP) {
3255	my $map = $cf::MAP{$path} or next;	3850	my $map = $cf::MAP{$path} or next;
3256	$map->valid or next;	3851	$map->valid or next;
3257	$map->save;	3852	$map->save;
3258	}	3853	}
3259	warn "end emergency map save\n";	3854	info "emergency_perl_save: end map save\n";
3260		3855
3261	warn "begin emergency database checkpoint\n";	3856	cf::write_runtime_sync; # external watchdog should not bark
		3857
		3858	info "emergency_perl_save: begin database checkpoint\n";
3262	BDB::db_env_txn_checkpoint $DB_ENV;	3859	BDB::db_env_txn_checkpoint $DB_ENV;
3263	warn "end emergency database checkpoint\n";	3860	info "emergency_perl_save: end database checkpoint\n";
		3861
		3862	info "emergency_perl_save: begin write uuid\n";
		3863	write_uuid_sync 1;
		3864	info "emergency_perl_save: end write uuid\n";
		3865
		3866	cf::write_runtime_sync; # external watchdog should not bark
		3867
		3868	trace "emergency_perl_save: syncing database to disk";
		3869	BDB::db_env_txn_checkpoint $DB_ENV;
		3870
		3871	info "emergency_perl_save: starting sync\n";
		3872	IO::AIO::aio_sync sub {
		3873	info "emergency_perl_save: finished sync\n";
		3874	};
		3875
		3876	cf::write_runtime_sync; # external watchdog should not bark
		3877
		3878	trace "emergency_perl_save: flushing outstanding aio requests";
		3879	while (IO::AIO::nreqs || BDB::nreqs) {
		3880	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3881	}
		3882
		3883	cf::write_runtime_sync; # external watchdog should not bark
3264	};	3884	};
3265		3885
3266	warn "leave emergency perl save\n";	3886	info "emergency_perl_save: leave\n";
3267	}	3887	}
3268		3888
3269	sub post_cleanup {	3889	sub post_cleanup {
3270	my ($make_core) = @_;	3890	my ($make_core) = @_;
3271		3891
		3892	IO::AIO::flush;
		3893
3272	warn Carp::longmess "post_cleanup backtrace"	3894	error Carp::longmess "post_cleanup backtrace"
3273	if $make_core;	3895	if $make_core;
		3896
		3897	my $fh = pidfile;
		3898	unlink $PIDFILE if <$fh> == $$;
		3899	}
		3900
		3901	# a safer delete_package, copied from Symbol
		3902	sub clear_package($) {
		3903	my $pkg = shift;
		3904
		3905	# expand to full symbol table name if needed
		3906	unless ($pkg =~ /^main::.*::$/) {
		3907	$pkg = "main$pkg" if $pkg =~ /^::/;
		3908	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3909	$pkg .= '::' unless $pkg =~ /::$/;
		3910	}
		3911
		3912	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3913	my $stem_symtab = *{$stem}{HASH};
		3914
		3915	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3916	or return;
		3917
		3918	# clear all symbols
		3919	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3920	for my $name (keys %$leaf_symtab) {
		3921	_gv_clear *{"$pkg$name"};
		3922	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3923	}
3274	}	3924	}
3275		3925
3276	sub do_reload_perl() {	3926	sub do_reload_perl() {
3277	# can/must only be called in main	3927	# can/must only be called in main
3278	if ($Coro::current != $Coro::main) {	3928	unless (in_main) {
3279	warn "can only reload from main coroutine";	3929	error "can only reload from main coroutine";
3280	return;	3930	return;
3281	}	3931	}
3282		3932
3283	warn "reloading...";	3933	return if $RELOAD++;
3284		3934
3285	warn "entering sync_job";	3935	my $t1 = AE::time;
3286		3936
		3937	while ($RELOAD) {
		3938	cf::get_slot 0.1, -1, "reload_perl";
		3939	info "perl_reload: reloading...";
		3940
		3941	trace "perl_reload: entering sync_job";
		3942
3287	cf::sync_job {	3943	cf::sync_job {
3288	cf::write_runtime; # external watchdog should not bark
3289	cf::emergency_save;	3944	#cf::emergency_save;
3290	cf::write_runtime; # external watchdog should not bark
3291		3945
3292	warn "syncing database to disk";
3293	BDB::db_env_txn_checkpoint $DB_ENV;
3294
3295	# if anything goes wrong in here, we should simply crash as we already saved
3296
3297	warn "cancelling all WF_AUTOCANCEL watchers";
3298	for (Event::all_watchers) {
3299	$_->cancel if $_->data & WF_AUTOCANCEL;
3300	}
3301
3302	warn "flushing outstanding aio requests";
3303	for (;;) {
3304	BDB::flush;
3305	IO::AIO::flush;
3306	Coro::cede;
3307	last unless IO::AIO::nreqs || BDB::nreqs;
3308	warn "iterate...";
3309	}
3310
3311	++$RELOAD;
3312
3313	warn "cancelling all extension coros";	3946	trace "perl_reload: cancelling all extension coros";
3314	$_->cancel for values %EXT_CORO;	3947	$_->cancel for values %EXT_CORO;
3315	%EXT_CORO = ();	3948	%EXT_CORO = ();
3316		3949
3317	warn "removing commands";	3950	trace "perl_reload: removing commands";
3318	%COMMAND = ();	3951	%COMMAND = ();
3319		3952
3320	warn "removing ext/exti commands";	3953	trace "perl_reload: removing ext/exti commands";
3321	%EXTCMD = ();	3954	%EXTCMD = ();
3322	%EXTICMD = ();	3955	%EXTICMD = ();
3323		3956
3324	warn "unloading/nuking all extensions";	3957	trace "perl_reload: unloading/nuking all extensions";
3325	for my $pkg (@EXTS) {	3958	for my $pkg (@EXTS) {
3326	warn "... unloading $pkg";	3959	trace "... unloading $pkg";
3327		3960
3328	if (my $cb = $pkg->can ("unload")) {	3961	if (my $cb = $pkg->can ("unload")) {
3329	eval {	3962	eval {
3330	$cb->($pkg);	3963	$cb->($pkg);
3331	1	3964	1
3332	} or warn "$pkg unloaded, but with errors: $@";	3965	} or error "$pkg unloaded, but with errors: $@";
		3966	}
		3967
		3968	trace "... clearing $pkg";
		3969	clear_package $pkg;
3333	}	3970	}
3334		3971
3335	warn "... nuking $pkg";
3336	Symbol::delete_package $pkg;
3337	}
3338
3339	warn "unloading all perl modules loaded from $LIBDIR";	3972	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3340	while (my ($k, $v) = each %INC) {	3973	while (my ($k, $v) = each %INC) {
3341	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3974	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3342		3975
3343	warn "... unloading $k";	3976	trace "... unloading $k";
3344	delete $INC{$k};	3977	delete $INC{$k};
3345		3978
3346	$k =~ s/\.pm$//;	3979	$k =~ s/\.pm$//;
3347	$k =~ s/\//::/g;	3980	$k =~ s/\//::/g;
3348		3981
3349	if (my $cb = $k->can ("unload_module")) {	3982	if (my $cb = $k->can ("unload_module")) {
3350	$cb->();	3983	$cb->();
		3984	}
		3985
		3986	clear_package $k;
3351	}	3987	}
3352		3988
3353	Symbol::delete_package $k;
3354	}
3355
3356	warn "getting rid of safe::, as good as possible";	3989	trace "perl_reload: getting rid of safe::, as good as possible";
3357	Symbol::delete_package "safe::$_"	3990	clear_package "safe::$_"
3358	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3991	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3359		3992
3360	warn "unloading cf.pm \"a bit\"";	3993	trace "perl_reload: unloading cf.pm \"a bit\"";
3361	delete $INC{"cf.pm"};	3994	delete $INC{"cf.pm"};
3362	delete $INC{"cf/pod.pm"};	3995	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3363		3996
3364	# don't, removes xs symbols, too,	3997	# don't, removes xs symbols, too,
3365	# and global variables created in xs	3998	# and global variables created in xs
3366	#Symbol::delete_package __PACKAGE__;	3999	#clear_package __PACKAGE__;
3367		4000
3368	warn "unload completed, starting to reload now";	4001	info "perl_reload: unload completed, starting to reload now";
3369		4002
3370	warn "reloading cf.pm";	4003	trace "perl_reload: reloading cf.pm";
3371	require cf;	4004	require cf;
3372	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4005	cf::_connect_to_perl_1;
3373		4006
3374	warn "loading config and database again";	4007	trace "perl_reload: loading config and database again";
3375	cf::reload_config;	4008	cf::reload_config;
3376		4009
3377	warn "loading extensions";	4010	trace "perl_reload: loading extensions";
3378	cf::load_extensions;	4011	cf::load_extensions;
3379		4012
		4013	if ($REATTACH_ON_RELOAD) {
3380	warn "reattaching attachments to objects/players";	4014	trace "perl_reload: reattaching attachments to objects/players";
3381	_global_reattach; # objects, sockets	4015	_global_reattach; # objects, sockets
3382	warn "reattaching attachments to maps";	4016	trace "perl_reload: reattaching attachments to maps";
3383	reattach $_ for values %MAP;	4017	reattach $_ for values %MAP;
3384	warn "reattaching attachments to players";	4018	trace "perl_reload: reattaching attachments to players";
3385	reattach $_ for values %PLAYER;	4019	reattach $_ for values %PLAYER;
		4020	}
3386		4021
3387	warn "leaving sync_job";	4022	cf::_post_init 1;
3388		4023
		4024	trace "perl_reload: leaving sync_job";
		4025
3389	1	4026	1
3390	} or do {	4027	} or do {
3391	warn $@;	4028	error $@;
3392	warn "error while reloading, exiting.";	4029	cf::cleanup "perl_reload: error, exiting.";
3393	exit 1;	4030	};
		4031
		4032	--$RELOAD;
3394	};	4033	}
3395		4034
3396	warn "reloaded";	4035	$t1 = AE::time - $t1;
		4036	info "perl_reload: completed in ${t1}s\n";
3397	};	4037	};
3398		4038
3399	our $RELOAD_WATCHER; # used only during reload	4039	our $RELOAD_WATCHER; # used only during reload
3400		4040
3401	sub reload_perl() {	4041	sub reload_perl() {
3402	# doing reload synchronously and two reloads happen back-to-back,	4042	# doing reload synchronously and two reloads happen back-to-back,
3403	# coro crashes during coro_state_free->destroy here.	4043	# coro crashes during coro_state_free->destroy here.
3404		4044
3405	$RELOAD_WATCHER ||= Event->timer (	4045	$RELOAD_WATCHER ||= cf::async {
3406	reentrant => 0,	4046	Coro::AIO::aio_wait cache_extensions;
3407	after => 0,	4047
3408	data => WF_AUTOCANCEL,	4048	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3409	cb => sub {
3410	do_reload_perl;	4049	do_reload_perl;
3411	undef $RELOAD_WATCHER;	4050	undef $RELOAD_WATCHER;
3412	},	4051	};
3413	);	4052	};
3414	}	4053	}
3415		4054
3416	register_command "reload" => sub {	4055	register_command "reload" => sub {
3417	my ($who, $arg) = @_;	4056	my ($who, $arg) = @_;
3418		4057
3419	if ($who->flag (FLAG_WIZ)) {	4058	if ($who->flag (FLAG_WIZ)) {
3420	$who->message ("reloading server.");	4059	$who->message ("reloading server.");
		4060	async {
		4061	$Coro::current->{desc} = "perl_reload";
3421	async { reload_perl };	4062	reload_perl;
		4063	};
3422	}	4064	}
3423	};	4065	};
3424		4066
3425	unshift @INC, $LIBDIR;	4067	#############################################################################
3426		4068
3427	my $bug_warning = 0;	4069	my $bug_warning = 0;
3428		4070
3429	our @WAIT_FOR_TICK;	4071	our @WAIT_FOR_TICK;
3430	our @WAIT_FOR_TICK_BEGIN;	4072	our @WAIT_FOR_TICK_BEGIN;
3431		4073
3432	sub wait_for_tick {	4074	sub wait_for_tick() {
3433	return unless $TICK_WATCHER->is_active;
3434	return if $Coro::current == $Coro::main;	4075	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3435		4076
3436	my $signal = new Coro::Signal;	4077	my $signal = new Coro::Signal;
3437	push @WAIT_FOR_TICK, $signal;	4078	push @WAIT_FOR_TICK, $signal;
3438	$signal->wait;	4079	$signal->wait;
3439	}	4080	}
3440		4081
3441	sub wait_for_tick_begin {	4082	sub wait_for_tick_begin() {
3442	return unless $TICK_WATCHER->is_active;
3443	return if $Coro::current == $Coro::main;	4083	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3444		4084
3445	my $signal = new Coro::Signal;	4085	my $signal = new Coro::Signal;
3446	push @WAIT_FOR_TICK_BEGIN, $signal;	4086	push @WAIT_FOR_TICK_BEGIN, $signal;
3447	$signal->wait;	4087	$signal->wait;
3448	}	4088	}
3449		4089
3450	our $stat_fh;	4090	sub tick {
3451	sysopen $stat_fh, "/tmp/cfstats", Fcntl::O_APPEND | Fcntl::O_CREAT | Fcntl::O_WRONLY, 0600;#d#
3452
3453	$TICK_WATCHER = Event->timer (
3454	reentrant => 0,
3455	parked => 1,
3456	prio => 0,
3457	at => $NEXT_TICK || $TICK,
3458	data => WF_AUTOCANCEL,
3459	cb => sub {
3460	if ($Coro::current != $Coro::main) {	4091	if ($Coro::current != $Coro::main) {
3461	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4092	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3462	unless ++$bug_warning > 10;	4093	unless ++$bug_warning > 10;
3463	return;	4094	return;
3464	}	4095	}
3465		4096
3466	my @pl = cf::player::list; my $stats = sprintf "%.2f %d %d %d", $RUNTIME, (scalar @pl), cf::object::actives_size, cf::object::objects_size; #d#
3467
3468	$NOW = $tick_start = Event::time;
3469
3470	cf::server_tick; # one server iteration	4097	cf::server_tick; # one server iteration
3471		4098
3472	$RUNTIME += $TICK;	4099	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3473	$NEXT_TICK += $TICK;
3474		4100
3475	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4101	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3476	$NEXT_RUNTIME_WRITE = $NOW + 10;	4102	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3477	Coro::async_pool {	4103	Coro::async_pool {
		4104	$Coro::current->{desc} = "runtime saver";
3478	write_runtime	4105	write_runtime_sync
3479	or warn "ERROR: unable to write runtime file: $!";	4106	or error "ERROR: unable to write runtime file: $!";
3480	};
3481	}	4107	};
		4108	}
3482		4109
3483	# my $AFTER = Event::time;
3484	# warn $AFTER - $NOW;#d#
3485
3486	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4110	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3487	$sig->send;	4111	$sig->send;
3488	}	4112	}
3489	while (my $sig = shift @WAIT_FOR_TICK) {	4113	while (my $sig = shift @WAIT_FOR_TICK) {
3490	$sig->send;	4114	$sig->send;
3491	}	4115	}
3492		4116
3493	$NOW = Event::time;	4117	$LOAD = ($NOW - $TICK_START) / $TICK;
3494
3495	# if we are delayed by four ticks or more, skip them all
3496	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3497
3498	$TICK_WATCHER->at ($NEXT_TICK);
3499	$TICK_WATCHER->start;
3500
3501	$LOAD = ($NOW - $tick_start) / $TICK;
3502	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4118	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3503		4119
3504	_post_tick;	4120	if (0) {
3505		4121	if ($NEXT_TICK) {
3506	# gather some statistics#d#	4122	my $jitter = $TICK_START - $NEXT_TICK;
3507	$stats .= sprintf " %d\n", 10000 * ($NOW - $tick_start);#d#	4123	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
3508	IO::AIO::aio_write $stat_fh, undef, undef, $stats, 0;#d#	4124	debug "jitter $JITTER\n";#d#
		4125	}
3509	},	4126	}
3510	);	4127	}
3511		4128
3512	{	4129	{
		4130	# configure BDB
		4131
3513	BDB::min_parallel 8;	4132	BDB::min_parallel 16;
3514	BDB::max_poll_time $TICK * 0.1;	4133	BDB::max_poll_reqs $TICK * 0.1;
3515	$BDB_POLL_WATCHER = Event->io (	4134	$AnyEvent::BDB::WATCHER->priority (1);
3516	reentrant => 0,
3517	fd => BDB::poll_fileno,
3518	poll => 'r',
3519	prio => 0,
3520	data => WF_AUTOCANCEL,
3521	cb => \&BDB::poll_cb,
3522	);
3523
3524	BDB::set_sync_prepare {
3525	my $status;
3526	my $current = $Coro::current;
3527	(
3528	sub {
3529	$status = $!;
3530	$current->ready; undef $current;
3531	},
3532	sub {
3533	Coro::schedule while defined $current;
3534	$! = $status;
3535	},
3536	)
3537	};
3538		4135
3539	unless ($DB_ENV) {	4136	unless ($DB_ENV) {
3540	$DB_ENV = BDB::db_env_create;	4137	$DB_ENV = BDB::db_env_create;
		4138	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4139	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4140	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4141	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4142	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3541		4143
3542	cf::sync_job {	4144	cf::sync_job {
3543	eval {	4145	eval {
3544	BDB::db_env_open	4146	BDB::db_env_open
3545	$DB_ENV,	4147	$DB_ENV,
…		…
3547	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4149	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3548	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4150	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3549	0666;	4151	0666;
3550		4152
3551	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4153	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3552
3553	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3554	| BDB::LOG_AUTOREMOVE, 1);
3555	$DB_ENV->set_lk_detect;
3556	};	4154	};
3557		4155
3558	cf::cleanup "db_env_open(db): $@" if $@;	4156	cf::cleanup "db_env_open(db): $@" if $@;
3559	};	4157	};
3560	}	4158	}
3561		4159
3562	$BDB_CHECKPOINT_WATCHER = Event->timer (	4160	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3563	after => 11,	4161	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3564	interval => 60,	4162	};
3565	hard => 1,	4163	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3566	prio => 0,
3567	data => WF_AUTOCANCEL,
3568	cb => sub {
3569	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4164	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3570	},
3571	);	4165	};
3572	$BDB_TRICKLE_WATCHER = Event->timer (	4166	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3573	after => 5,
3574	interval => 10,
3575	hard => 1,
3576	prio => 0,
3577	data => WF_AUTOCANCEL,
3578	cb => sub {
3579	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4167	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3580	},
3581	);	4168	};
3582	}	4169	}
3583		4170
3584	{	4171	{
		4172	# configure IO::AIO
		4173
3585	IO::AIO::min_parallel 8;	4174	IO::AIO::min_parallel 8;
3586
3587	undef $Coro::AIO::WATCHER;
3588	IO::AIO::max_poll_time $TICK * 0.1;	4175	IO::AIO::max_poll_time $TICK * 0.1;
3589	$AIO_POLL_WATCHER = Event->io (	4176	undef $AnyEvent::AIO::WATCHER;
3590	reentrant => 0,
3591	data => WF_AUTOCANCEL,
3592	fd => IO::AIO::poll_fileno,
3593	poll => 'r',
3594	prio => 6,
3595	cb => \&IO::AIO::poll_cb,
3596	);
3597	}	4177	}
3598		4178
3599	my $_log_backtrace;	4179	our $_log_backtrace;
		4180	our $_log_backtrace_last;
3600		4181
3601	sub _log_backtrace {	4182	sub _log_backtrace {
3602	my ($msg, @addr) = @_;	4183	my ($msg, @addr) = @_;
3603		4184
3604	$msg =~ s/\n//;	4185	$msg =~ s/\n$//;
3605		4186
		4187	if ($_log_backtrace_last eq $msg) {
		4188	LOG llevInfo, "[ABT] $msg\n";
		4189	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3606	# limit the # of concurrent backtraces	4190	# limit the # of concurrent backtraces
3607	if ($_log_backtrace < 2) {	4191	} elsif ($_log_backtrace < 2) {
		4192	$_log_backtrace_last = $msg;
3608	++$_log_backtrace;	4193	++$_log_backtrace;
		4194	my $perl_bt = Carp::longmess $msg;
3609	async {	4195	async {
		4196	$Coro::current->{desc} = "abt $msg";
		4197
3610	my @bt = fork_call {	4198	my @bt = fork_call {
3611	@addr = map { sprintf "%x", $_ } @addr;	4199	@addr = map { sprintf "%x", $_ } @addr;
3612	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4200	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3613	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4201	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3614	or die "addr2line: $!";	4202	or die "addr2line: $!";
…		…
3622	}	4210	}
3623		4211
3624	@funcs	4212	@funcs
3625	};	4213	};
3626		4214
3627	LOG llevInfo, "[ABT] $msg\n";	4215	LOG llevInfo, "[ABT] $perl_bt\n";
		4216	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3628	LOG llevInfo, "[ABT] $_\n" for @bt;	4217	LOG llevInfo, "[ABT] $_\n" for @bt;
3629	--$_log_backtrace;	4218	--$_log_backtrace;
3630	};	4219	};
3631	} else {	4220	} else {
3632	LOG llevInfo, "[ABT] $msg\n";	4221	LOG llevInfo, "[ABT] $msg\n";
3633	LOG llevInfo, "[ABT] [suppressed]\n";	4222	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3634	}	4223	}
3635	}	4224	}
3636		4225
3637	# load additional modules	4226	# load additional modules
3638	use cf::pod;	4227	require "cf/$_.pm" for @EXTRA_MODULES;
		4228	cf::_connect_to_perl_2;
3639		4229
3640	END { cf::emergency_save }	4230	END { cf::emergency_save }
3641		4231
3642	1	4232	1
3643		4233

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