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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.387 by root, Mon Oct 15 23:49:10 2007 UTC vs.
Revision 1.569 by root, Wed May 4 07:36:40 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 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 Event;	30	use EV;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
13	use Storable ();	34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 4.1 ();	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 2.51 ();	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;
85	our $BDB_DEADLOCK_WATCHER;	126	our $BDB_DEADLOCK_WATCHER;
86	our $BDB_CHECKPOINT_WATCHER;	127	our $BDB_CHECKPOINT_WATCHER;
87	our $BDB_TRICKLE_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
88	our $DB_ENV;	129	our $DB_ENV;
89		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		132
90	our %CFG;	133	our %CFG;
91		134
92	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
93	our $RUNTIME;	136	our $RUNTIME;
		137	our $NOW;
94		138
95	our (%PLAYER, %PLAYER_LOADING); # all users	139	our (%PLAYER, %PLAYER_LOADING); # all users
96	our (%MAP, %MAP_LOADING ); # all maps	140	our (%MAP, %MAP_LOADING ); # all maps
97	our $LINK_MAP; # the special {link} map, which is always available	141	our $LINK_MAP; # the special {link} map, which is always available
98		142
99	# 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 ∕
100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	144	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
101		145
102	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)
103	our $LOADAVG; # same thing, but with alpha-smoothing	147	our $LOADAVG; # same thing, but with alpha-smoothing
		148	our $JITTER; # average jitter
104	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 $REALLY_UNLOOP; # never set to true, please :)
105		155
106	binmode STDOUT;	156	binmode STDOUT;
107	binmode STDERR;	157	binmode STDERR;
108		158
109	# read virtual server time, if available	159	# read virtual server time, if available
110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	160	unless ($RUNTIME || !-e $RUNTIMEFILE) {
111	open my $fh, "<", "$LOCALDIR/runtime"	161	open my $fh, "<", $RUNTIMEFILE
112	or die "unable to read runtime file: $!";	162	or die "unable to read $RUNTIMEFILE file: $!";
113	$RUNTIME = <$fh> + 0.;	163	$RUNTIME = <$fh> + 0.;
114	}	164	}
		165
		166	eval "sub TICK() { $TICK } 1" or die;
115		167
116	mkdir $_	168	mkdir $_
117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	169	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
118		170
119	our $EMERGENCY_POSITION;	171	our $EMERGENCY_POSITION;
120		172
121	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::"} };
122		189
123	#############################################################################	190	#############################################################################
124		191
125	=head2 GLOBAL VARIABLES	192	=head2 GLOBAL VARIABLES
126		193
…		…
162		229
163	The raw value load value from the last tick.	230	The raw value load value from the last tick.
164		231
165	=item %cf::CFG	232	=item %cf::CFG
166		233
167	Configuration for the server, loaded from C</etc/crossfire/config>, or	234	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
168	from wherever your confdir points to.	235	from wherever your confdir points to.
169		236
170	=item cf::wait_for_tick, cf::wait_for_tick_begin	237	=item cf::wait_for_tick, cf::wait_for_tick_begin
171		238
172	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
173	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
174	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.
175		242
		243	=cut
		244
		245	sub wait_for_tick();
		246	sub wait_for_tick_begin();
		247
176	=item @cf::INVOKE_RESULTS	248	=item @cf::INVOKE_RESULTS
177		249
178	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
179	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
180	that call.	252	that call.
181		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
182	=back	260	=back
183		261
184	=cut	262	=cut
185		263
186	BEGIN {	264	sub error(@) { LOG llevError, join "", @_ }
187	*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 {
188	my $msg = join "", @_;	271	my $msg = join "", @_;
189		272
190	$msg .= "\n"	273	$msg .= "\n"
191	unless $msg =~ /\n$/;	274	unless $msg =~ /\n$/;
192		275
193	$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;
194		277
195	LOG llevError, $msg;	278	LOG llevWarn, $msg;
196	};	279	};
197	}	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	};
198		294
199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	295	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	296	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	297	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	298	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
209	for my $pkg (qw(	305	for my $pkg (qw(
210	cf::global cf::attachable	306	cf::global cf::attachable
211	cf::object cf::object::player	307	cf::object cf::object::player
212	cf::client cf::player	308	cf::client cf::player
213	cf::arch cf::living	309	cf::arch cf::living
		310	cf::map cf::mapspace
214	cf::map cf::party cf::region	311	cf::party cf::region
215	)) {	312	)) {
216	no strict 'refs';
217	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	313	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
218	}	314	}
219		315
220	$Event::DIED = sub {	316	$EV::DIED = sub {
221	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
222	};	318	};
		319
		320	#############################################################################
		321
		322	sub fork_call(&@);
		323	sub get_slot($;$$);
223		324
224	#############################################################################	325	#############################################################################
225		326
226	=head2 UTILITY FUNCTIONS	327	=head2 UTILITY FUNCTIONS
227		328
…		…
248	$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;
249	$d	350	$d
250	} || "[unable to dump $_[0]: '$@']";	351	} || "[unable to dump $_[0]: '$@']";
251	}	352	}
252		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
253	=item $ref = cf::from_json $json	368	=item $ref = cf::decode_json $json
254		369
255	Converts a JSON string into the corresponding perl data structure.	370	Converts a JSON string into the corresponding perl data structure.
256		371
257	=item $json = cf::to_json $ref	372	=item $json = cf::encode_json $ref
258		373
259	Converts a perl data structure into its JSON representation.	374	Converts a perl data structure into its JSON representation.
260		375
261	=cut	376	=cut
262		377
263	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
264		379
265	sub to_json ($) { $json_coder->encode ($_[0]) }	380	sub encode_json($) { $json_coder->encode ($_[0]) }
266	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	}
267		444
268	=item cf::lock_wait $string	445	=item cf::lock_wait $string
269		446
270	Wait until the given lock is available. See cf::lock_acquire.	447	Wait until the given lock is available. See cf::lock_acquire.
271		448
272	=item my $lock = cf::lock_acquire $string	449	=item my $lock = cf::lock_acquire $string
273		450
274	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
275	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,
276	for example when the coroutine gets canceled), the lock is automatically	453	for example when the coroutine gets canceled), the lock is automatically
277	returned.	454	returned.
278		455
279	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
280	deadlocked coro.	457	deadlocked coro.
…		…
286		463
287	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.
288		465
289	=cut	466	=cut
290		467
291	our %LOCK;	468	our $LOCKS = new Coro::SemaphoreSet;
292	our %LOCKER;#d#
293		469
294	sub lock_wait($) {	470	sub lock_wait($) {
295	my ($key) = @_;	471	$LOCKS->wait ($_[0]);
296
297	if ($LOCKER{$key} == $Coro::current) {#d#
298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
299	return;#d#
300	}#d#
301
302	# wait for lock, if any
303	while ($LOCK{$key}) {
304	push @{ $LOCK{$key} }, $Coro::current;
305	Coro::schedule;
306	}
307	}	472	}
308		473
309	sub lock_acquire($) {	474	sub lock_acquire($) {
310	my ($key) = @_;	475	$LOCKS->guard ($_[0])
311
312	# wait, to be sure we are not locked
313	lock_wait $key;
314
315	$LOCK{$key} = [];
316	$LOCKER{$key} = $Coro::current;#d#
317
318	Coro::guard {
319	delete $LOCKER{$key};#d#
320	# wake up all waiters, to be on the safe side
321	$_->ready for @{ delete $LOCK{$key} };
322	}
323	}	476	}
324		477
325	sub lock_active($) {	478	sub lock_active($) {
326	my ($key) = @_;	479	$LOCKS->count ($_[0]) < 1
327
328	! ! $LOCK{$key}
329	}	480	}
330		481
331	sub freeze_mainloop {	482	sub freeze_mainloop {
332	return unless $TICK_WATCHER->is_active;	483	tick_inhibit_inc;
333		484
334	my $guard = Coro::guard {	485	&Guard::guard (\&tick_inhibit_dec);
335	$TICK_WATCHER->start;	486	}
336	};	487
337	$TICK_WATCHER->stop;	488	=item cf::periodic $interval, $cb
338	$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
339	}	501	}
340		502
341	=item cf::get_slot $time[, $priority[, $name]]	503	=item cf::get_slot $time[, $priority[, $name]]
342		504
343	Allocate $time seconds of blocking CPU time at priority C<$priority>:	505	Allocate $time seconds of blocking CPU time at priority C<$priority>
344	This call blocks and returns only when you have at least C<$time> seconds	506	(default: 0): This call blocks and returns only when you have at least
345	of cpu time till the next tick. The slot is only valid till the next cede.	507	C<$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.
346		512
347	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
348	used for statistical purposes and should identify the same time-class.	514	used for statistical purposes and should identify the same time-class.
349		515
350	Useful for short background jobs.	516	Useful for short background jobs.
351		517
352	=cut	518	=cut
353		519
354	our @SLOT_QUEUE;	520	our @SLOT_QUEUE;
355	our $SLOT_QUEUE;	521	our $SLOT_QUEUE;
		522	our $SLOT_DECAY = 0.9;
356		523
357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	524	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
358	$SLOT_QUEUE = Coro::async {	525	$SLOT_QUEUE = Coro::async {
359	$Coro::current->desc ("timeslot manager");	526	$Coro::current->desc ("timeslot manager");
360		527
361	my $signal = new Coro::Signal;	528	my $signal = new Coro::Signal;
		529	my $busy;
362		530
363	while () {	531	while () {
364	next_job:	532	next_job:
		533
365	my $avail = cf::till_tick;	534	my $avail = cf::till_tick;
366	if ($avail > 0.01) {	535
367	for (0 .. $#SLOT_QUEUE) {	536	for (0 .. $#SLOT_QUEUE) {
368	if ($SLOT_QUEUE[$_][0] < $avail) {	537	if ($SLOT_QUEUE[$_][0] <= $avail) {
		538	$busy = 0;
369	my $job = splice @SLOT_QUEUE, $_, 1, ();	539	my $job = splice @SLOT_QUEUE, $_, 1, ();
370	$job->[2]->send;	540	$job->[2]->send;
371	Coro::cede;	541	Coro::cede;
372	goto next_job;	542	goto next_job;
373	}	543	} else {
		544	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
374	}	545	}
375	}	546	}
376		547
377	if (@SLOT_QUEUE) {	548	if (@SLOT_QUEUE) {
378	# 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
379	push @cf::WAIT_FOR_TICK, $signal;	550	push @cf::WAIT_FOR_TICK, $signal;
380	$signal->wait;	551	$signal->wait;
381	} else {	552	} else {
		553	$busy = 0;
382	Coro::schedule;	554	Coro::schedule;
383	}	555	}
384	}	556	}
385	};	557	};
386		558
387	sub get_slot($;$$) {	559	sub get_slot($;$$) {
		560	return if tick_inhibit || $Coro::current == $Coro::main;
		561
388	my ($time, $pri, $name) = @_;	562	my ($time, $pri, $name) = @_;
389		563
390	$time = $TICK * .6 if $time > $TICK * .6;	564	$time = clamp $time, 0.01, $TICK * .6;
		565
391	my $sig = new Coro::Signal;	566	my $sig = new Coro::Signal;
392		567
393	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	568	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
394	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	569	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
395	$SLOT_QUEUE->ready;	570	$SLOT_QUEUE->ready;
…		…
406		581
407	BEGIN { *async = \&Coro::async_pool }	582	BEGIN { *async = \&Coro::async_pool }
408		583
409	=item cf::sync_job { BLOCK }	584	=item cf::sync_job { BLOCK }
410		585
411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	586	The design of Deliantra requires that the main coroutine ($Coro::main)
412	is always able to handle events or runnable, as Crossfire TRT is only	587	is always able to handle events or runnable, as Deliantra is only
413	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	588	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
414	acceptable.	589	acceptable.
415		590
416	If it must be done, put the blocking parts into C<sync_job>. This will run	591	If it must be done, put the blocking parts into C<sync_job>. This will run
417	the given BLOCK in another coroutine while waiting for the result. The	592	the given BLOCK in another coroutine while waiting for the result. The
…		…
421	=cut	596	=cut
422		597
423	sub sync_job(&) {	598	sub sync_job(&) {
424	my ($job) = @_;	599	my ($job) = @_;
425		600
426	if ($Coro::current == $Coro::main) {	601	if (in_main) {
427	my $time = Event::time;	602	my $time = AE::time;
428		603
429	# this is the main coro, too bad, we have to block	604	# this is the main coro, too bad, we have to block
430	# till the operation succeeds, freezing the server :/	605	# till the operation succeeds, freezing the server :/
431		606
432	LOG llevError, Carp::longmess "sync job";#d#	607	#LOG llevError, Carp::longmess "sync job";#d#
433		608
434	# TODO: use suspend/resume instead
435	# (but this is cancel-safe)
436	my $freeze_guard = freeze_mainloop;	609	my $freeze_guard = freeze_mainloop;
437		610
438	my $busy = 1;	611	my $busy = 1;
439	my @res;	612	my @res;
440		613
441	(async {	614	(async {
442	$Coro::current->desc ("sync job coro");	615	$Coro::current->desc ("sync job coro");
443	@res = eval { $job->() };	616	@res = eval { $job->() };
444	warn $@ if $@;	617	error $@ if $@;
445	undef $busy;	618	undef $busy;
446	})->prio (Coro::PRIO_MAX);	619	})->prio (Coro::PRIO_MAX);
447		620
448	while ($busy) {	621	while ($busy) {
449	if (Coro::nready) {	622	if (Coro::nready) {
450	Coro::cede_notself;	623	Coro::cede_notself;
451	} else {	624	} else {
452	Event::one_event;	625	EV::loop EV::LOOP_ONESHOT;
453	}	626	}
454	}	627	}
455		628
456	$time = Event::time - $time;	629	my $time = AE::time - $time;
457		630
458	LOG llevError | logBacktrace, Carp::longmess "long sync job"
459	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
460
461	$tick_start += $time; # do not account sync jobs to server load	631	$TICK_START += $time; # do not account sync jobs to server load
462		632
463	wantarray ? @res : $res[0]	633	wantarray ? @res : $res[0]
464	} else {	634	} else {
465	# we are in another coroutine, how wonderful, everything just works	635	# we are in another coroutine, how wonderful, everything just works
466		636
…		…
486	$EXT_CORO{$coro+0} = $coro;	656	$EXT_CORO{$coro+0} = $coro;
487		657
488	$coro	658	$coro
489	}	659	}
490		660
491	=item fork_call { }, $args	661	=item fork_call { }, @args
492		662
493	Executes the given code block with the given arguments in a seperate	663	Executes the given code block with the given arguments in a seperate
494	process, returning the results. Everything must be serialisable with	664	process, returning the results. Everything must be serialisable with
495	Coro::Storable. May, of course, block. Note that the executed sub may	665	Coro::Storable. May, of course, block. Note that the executed sub may
496	never block itself or use any form of Event handling.	666	never block itself or use any form of event handling.
497		667
498	=cut	668	=cut
		669
		670	sub post_fork {
		671	reset_signals;
		672	}
499		673
500	sub fork_call(&@) {	674	sub fork_call(&@) {
501	my ($cb, @args) = @_;	675	my ($cb, @args) = @_;
502		676
503	# we seemingly have to make a local copy of the whole thing,	677	# we seemingly have to make a local copy of the whole thing,
504	# otherwise perl prematurely frees the stuff :/	678	# otherwise perl prematurely frees the stuff :/
505	# TODO: investigate and fix (likely this will be rather laborious)	679	# TODO: investigate and fix (likely this will be rather laborious)
506		680
507	my @res = Coro::Util::fork_eval {	681	my @res = Coro::Util::fork_eval {
508	reset_signals;	682	cf::post_fork;
509	&$cb	683	&$cb
510	}, @args;	684	} @args;
511		685
512	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
513	}	725	}
514		726
515	=item $value = cf::db_get $family => $key	727	=item $value = cf::db_get $family => $key
516		728
517	Returns a single value from the environment database.	729	Returns a single value from the environment database.
…		…
527	within each server.	739	within each server.
528		740
529	=cut	741	=cut
530		742
531	sub db_table($) {	743	sub db_table($) {
		744	cf::error "db_get called from main context"
		745	if $Coro::current == $Coro::main;
		746
532	my ($name) = @_;	747	my ($name) = @_;
533	my $db = BDB::db_create $DB_ENV;	748	my $db = BDB::db_create $DB_ENV;
534		749
535	eval {	750	eval {
536	$db->set_flags (BDB::CHKSUM);	751	$db->set_flags (BDB::CHKSUM);
…		…
546	}	761	}
547		762
548	our $DB;	763	our $DB;
549		764
550	sub db_init {	765	sub db_init {
551	cf::sync_job {
552	$DB ||= db_table "db";	766	$DB ||= db_table "db";
553	};
554	}	767	}
555		768
556	sub db_get($$) {	769	sub db_get($$) {
557	my $key = "$_[0]/$_[1]";	770	my $key = "$_[0]/$_[1]";
558		771
559	cf::sync_job {	772	cf::error "db_get called from main context"
		773	if $Coro::current == $Coro::main;
		774
560	BDB::db_get $DB, undef, $key, my $data;	775	BDB::db_get $DB, undef, $key, my $data;
561		776
562	$! ? ()	777	$! ? ()
563	: $data	778	: $data
564	}
565	}	779	}
566		780
567	sub db_put($$$) {	781	sub db_put($$$) {
568	BDB::dbreq_pri 4;	782	BDB::dbreq_pri 4;
569	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	783	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
597		811
598	my @data;	812	my @data;
599	my $md5;	813	my $md5;
600		814
601	for (0 .. $#$src) {	815	for (0 .. $#$src) {
602	0 <= aio_load $src->[$_], $data[$_]	816	$data[$_] = load_file $src->[$_];
603	or Carp::croak "$src->[$_]: $!";
604	}	817	}
605		818
606	# if processing is expensive, check	819	# if processing is expensive, check
607	# checksum first	820	# checksum first
608	if (1) {	821	if (1) {
…		…
625		838
626	my $t1 = Time::HiRes::time;	839	my $t1 = Time::HiRes::time;
627	my $data = $process->(\@data);	840	my $data = $process->(\@data);
628	my $t2 = Time::HiRes::time;	841	my $t2 = Time::HiRes::time;
629		842
630	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	843	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
631		844
632	db_put cache => "$id/data", $data;	845	db_put cache => "$id/data", $data;
633	db_put cache => "$id/md5" , $md5;	846	db_put cache => "$id/md5" , $md5;
634	db_put cache => "$id/meta", $meta;	847	db_put cache => "$id/meta", $meta;
635		848
…		…
645		858
646	=cut	859	=cut
647		860
648	sub datalog($@) {	861	sub datalog($@) {
649	my ($type, %kv) = @_;	862	my ($type, %kv) = @_;
650	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	863	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
651	}	864	}
652		865
653	=back	866	=back
654		867
655	=cut	868	=cut
656		869
657	#############################################################################	870	#############################################################################
658		871
659	=head2 ATTACHABLE OBJECTS	872	=head2 ATTACHABLE OBJECTS
660		873
661	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
662	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")
663	to it. All such attachable objects support the following methods.	876	to it. All such attachable objects support the following methods.
664		877
665	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>
666	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
667	Crossfire TRT).	880	Deliantra).
668		881
669	=over 4	882	=over 4
670		883
671	=item $attachable->attach ($attachment, key => $value...)	884	=item $attachable->attach ($attachment, key => $value...)
672		885
…		…
716	=item cf::CLASS::attachment $name, ...	929	=item cf::CLASS::attachment $name, ...
717		930
718	Register an attachment by C<$name> through which attachable objects of the	931	Register an attachment by C<$name> through which attachable objects of the
719	given CLASS can refer to this attachment.	932	given CLASS can refer to this attachment.
720		933
721	Some classes such as crossfire maps and objects can specify attachments	934	Some classes such as deliantra maps and objects can specify attachments
722	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.
723		936
724	These calls expect any number of the following handler/hook descriptions:	937	These calls expect any number of the following handler/hook descriptions:
725		938
726	=over 4	939	=over 4
…		…
850		1063
851	} elsif (exists $cb_id{$type}) {	1064	} elsif (exists $cb_id{$type}) {
852	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1065	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
853		1066
854	} elsif (ref $type) {	1067	} elsif (ref $type) {
855	warn "attaching objects not supported, ignoring.\n";	1068	error "attaching objects not supported, ignoring.\n";
856		1069
857	} else {	1070	} else {
858	shift @arg;	1071	shift @arg;
859	warn "attach argument '$type' not supported, ignoring.\n";	1072	error "attach argument '$type' not supported, ignoring.\n";
860	}	1073	}
861	}	1074	}
862	}	1075	}
863		1076
864	sub _object_attach {	1077	sub _object_attach {
…		…
874	_attach $registry, $klass, @attach;	1087	_attach $registry, $klass, @attach;
875	}	1088	}
876		1089
877	$obj->{$name} = \%arg;	1090	$obj->{$name} = \%arg;
878	} else {	1091	} else {
879	warn "object uses attachment '$name' which is not available, postponing.\n";	1092	info "object uses attachment '$name' which is not available, postponing.\n";
880	}	1093	}
881		1094
882	$obj->{_attachment}{$name} = undef;	1095	$obj->{_attachment}{$name} = undef;
883	}	1096	}
884		1097
…		…
943		1156
944	for (@$callbacks) {	1157	for (@$callbacks) {
945	eval { &{$_->[1]} };	1158	eval { &{$_->[1]} };
946		1159
947	if ($@) {	1160	if ($@) {
948	warn "$@";
949	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1161	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
950	override;	1162	override;
951	}	1163	}
952		1164
953	return 1 if $override;	1165	return 1 if $override;
954	}	1166	}
955		1167
956	0	1168	0
957	}	1169	}
958		1170
959	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1171	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
960		1172
961	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1173	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
962		1174
963	Generate an object-specific event with the given arguments.	1175	Generate an object-specific event with the given arguments.
964		1176
…		…
1017		1229
1018	sub reattach {	1230	sub reattach {
1019	# basically do the same as instantiate, without calling instantiate	1231	# basically do the same as instantiate, without calling instantiate
1020	my ($obj) = @_;	1232	my ($obj) = @_;
1021		1233
		1234	# no longer needed after getting rid of delete_package?
1022	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
1023		1236
1024	my $registry = $obj->registry;	1237	my $registry = $obj->registry;
1025		1238
1026	@$registry = ();	1239	@$registry = ();
1027		1240
…		…
1032	for (@$attach) {	1245	for (@$attach) {
1033	my ($klass, @attach) = @$_;	1246	my ($klass, @attach) = @$_;
1034	_attach $registry, $klass, @attach;	1247	_attach $registry, $klass, @attach;
1035	}	1248	}
1036	} else {	1249	} else {
1037	warn "object uses attachment '$name' that is not available, postponing.\n";	1250	info "object uses attachment '$name' that is not available, postponing.\n";
1038	}	1251	}
1039	}	1252	}
1040	}	1253	}
1041		1254
1042	cf::attachable->attach (	1255	cf::attachable->attach (
1043	prio => -1000000,	1256	prio => -1000000,
1044	on_instantiate => sub {	1257	on_instantiate => sub {
1045	my ($obj, $data) = @_;	1258	my ($obj, $data) = @_;
1046		1259
1047	$data = from_json $data;	1260	$data = decode_json $data;
1048		1261
1049	for (@$data) {	1262	for (@$data) {
1050	my ($name, $args) = @$_;	1263	my ($name, $args) = @$_;
1051		1264
1052	$obj->attach ($name, %{$args || {} });	1265	$obj->attach ($name, %{$args || {} });
…		…
1069	my ($filename, $rdata, $objs) = @_;	1282	my ($filename, $rdata, $objs) = @_;
1070		1283
1071	sync_job {	1284	sync_job {
1072	if (length $$rdata) {	1285	if (length $$rdata) {
1073	utf8::decode (my $decname = $filename);	1286	utf8::decode (my $decname = $filename);
1074	warn sprintf "saving %s (%d,%d)\n",	1287	trace sprintf "saving %s (%d,%d)\n",
1075	$decname, length $$rdata, scalar @$objs;	1288	$decname, length $$rdata, scalar @$objs
		1289	if $VERBOSE_IO;
1076		1290
1077	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1291	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1078	chmod SAVE_MODE, $fh;	1292	aio_chmod $fh, SAVE_MODE;
1079	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1293	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1080	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	}
1081	close $fh;	1298	aio_close $fh;
1082		1299
1083	if (@$objs) {	1300	if (@$objs) {
1084	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) {
1085	chmod SAVE_MODE, $fh;	1302	aio_chmod $fh, SAVE_MODE;
1086	my $data = Coro::Storable::blocking_nfreeze { version => 1, objs => $objs };	1303	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1087	aio_write $fh, 0, (length $data), $data, 0;	1304	aio_write $fh, 0, (length $data), $data, 0;
1088	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	}
1089	close $fh;	1309	aio_close $fh;
1090	aio_rename "$filename.pst~", "$filename.pst";	1310	aio_rename "$filename.pst~", "$filename.pst";
1091	}	1311	}
1092	} else {	1312	} else {
1093	aio_unlink "$filename.pst";	1313	aio_unlink "$filename.pst";
1094	}	1314	}
1095		1315
1096	aio_rename "$filename~", $filename;	1316	aio_rename "$filename~", $filename;
		1317
		1318	$filename =~ s%/[^/]+$%%;
		1319	aio_pathsync $filename if $cf::USE_FSYNC;
1097	} else {	1320	} else {
1098	warn "FATAL: $filename~: $!\n";	1321	error "unable to save objects: $filename~: $!\n";
1099	}	1322	}
1100	} else {	1323	} else {
1101	aio_unlink $filename;	1324	aio_unlink $filename;
1102	aio_unlink "$filename.pst";	1325	aio_unlink "$filename.pst";
1103	}	1326	}
…		…
1122		1345
1123	unless (aio_stat "$filename.pst") {	1346	unless (aio_stat "$filename.pst") {
1124	(aio_load "$filename.pst", $av) >= 0	1347	(aio_load "$filename.pst", $av) >= 0
1125	or return;	1348	or return;
1126		1349
1127	my $st = eval { Coro::Storable::thaw $av }	1350	my $st = eval { Coro::Storable::thaw $av };
1128	|| eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
1129	$av = $st->{objs};	1351	$av = $st->{objs};
1130	}	1352	}
1131		1353
1132	utf8::decode (my $decname = $filename);	1354	utf8::decode (my $decname = $filename);
1133	warn sprintf "loading %s (%d,%d)\n",	1355	trace sprintf "loading %s (%d,%d)\n",
1134	$decname, length $data, scalar @{$av || []};	1356	$decname, length $data, scalar @{$av || []}
		1357	if $VERBOSE_IO;
1135		1358
1136	($data, $av)	1359	($data, $av)
1137	}	1360	}
1138		1361
1139	=head2 COMMAND CALLBACKS	1362	=head2 COMMAND CALLBACKS
…		…
1195	my ($name, $cb) = @_;	1418	my ($name, $cb) = @_;
1196		1419
1197	$EXTICMD{$name} = $cb;	1420	$EXTICMD{$name} = $cb;
1198	}	1421	}
1199		1422
		1423	use File::Glob ();
		1424
1200	cf::player->attach (	1425	cf::player->attach (
1201	on_command => sub {	1426	on_unknown_command => sub {
1202	my ($pl, $name, $params) = @_;	1427	my ($pl, $name, $params) = @_;
1203		1428
1204	my $cb = $COMMAND{$name}	1429	my $cb = $COMMAND{$name}
1205	or return;	1430	or return;
1206		1431
…		…
1229		1454
1230	$pl->ext_reply ($reply, @reply)	1455	$pl->ext_reply ($reply, @reply)
1231	if $reply;	1456	if $reply;
1232		1457
1233	} else {	1458	} else {
1234	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1459	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1235	}	1460	}
1236		1461
1237	cf::override;	1462	cf::override;
1238	},	1463	},
1239	);	1464	);
1240		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
1241	sub load_extensions {	1479	sub load_extensions {
		1480	info "loading extensions...";
		1481
1242	cf::sync_job {	1482	cf::sync_job {
1243	my %todo;	1483	my %todo;
1244		1484
1245	for my $path (<$LIBDIR/*.ext>) {	1485	for my $path (<$LIBDIR/*.ext>) {
1246	next unless -r $path;	1486	next unless -r $path;
…		…
1264		1504
1265	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1505	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1266	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1506	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1267		1507
1268	$ext{source} =	1508	$ext{source} =
1269	"package $pkg; use strict; use utf8;\n"	1509	"package $pkg; use common::sense;\n"
1270	. "#line 1 \"$path\"\n{\n"	1510	. "#line 1 \"$path\"\n{\n"
1271	. $source	1511	. $source
1272	. "\n};\n1";	1512	. "\n};\n1";
1273		1513
1274	$todo{$base} = \%ext;	1514	$todo{$base} = \%ext;
1275	}	1515	}
1276		1516
		1517	my $pass = 0;
1277	my %done;	1518	my %done;
1278	while (%todo) {	1519	while (%todo) {
1279	my $progress;	1520	my $progress;
1280		1521
		1522	++$pass;
		1523
		1524	ext:
1281	while (my ($k, $v) = each %todo) {	1525	while (my ($k, $v) = each %todo) {
1282	for (split /,\s*/, $v->{meta}{depends}) {	1526	for (split /,\s*/, $v->{meta}{depends}) {
1283	goto skip	1527	next ext
1284	unless exists $done{$_};	1528	unless exists $done{$_};
1285	}	1529	}
1286		1530
1287	warn "... loading '$k' into '$v->{pkg}'\n";	1531	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1288		1532
1289	unless (eval $v->{source}) {	1533	my $active = eval $v->{source};
		1534
		1535	if (length $@) {
1290	my $msg = $@ ? "$v->{path}: $@\n"	1536	error "$v->{path}: $@\n";
1291	: "$v->{base}: extension inactive.\n";
1292		1537
		1538	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1293	if (exists $v->{meta}{mandatory}) {	1539	if exists $v->{meta}{mandatory};
1294	warn $msg;	1540
1295	warn "mandatory extension failed to load, exiting.\n";	1541	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1296	exit 1;	1542	delete $todo{$k};
1297	}	1543	} else {
1298		1544	$done{$k} = delete $todo{$k};
1299	warn $msg;	1545	push @EXTS, $v->{pkg};
		1546	$progress = 1;
		1547
		1548	info "$v->{base}: extension inactive.\n"
		1549	unless $active;
1300	}	1550	}
1301
1302	$done{$k} = delete $todo{$k};
1303	push @EXTS, $v->{pkg};
1304	$progress = 1;
1305	}	1551	}
1306		1552
1307	skip:	1553	unless ($progress) {
1308	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1554	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1309	unless $progress;	1555
		1556	while (my ($k, $v) = each %todo) {
		1557	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1558	if exists $v->{meta}{mandatory};
		1559	}
		1560
		1561	last;
		1562	}
1310	}	1563	}
1311	};	1564	};
1312	}	1565	}
1313		1566
1314	#############################################################################	1567	#############################################################################
1315		1568
1316	=back	1569	=back
1317		1570
1318	=head2 CORE EXTENSIONS	1571	=head2 CORE EXTENSIONS
1319		1572
1320	Functions and methods that extend core crossfire objects.	1573	Functions and methods that extend core deliantra objects.
1321		1574
1322	=cut	1575	=cut
1323		1576
1324	package cf::player;	1577	package cf::player;
1325		1578
…		…
1368		1621
1369	sub exists($) {	1622	sub exists($) {
1370	my ($login) = @_;	1623	my ($login) = @_;
1371		1624
1372	$cf::PLAYER{$login}	1625	$cf::PLAYER{$login}
1373	or cf::sync_job { !aio_stat path $login }	1626	or !aio_stat path $login
1374	}	1627	}
1375		1628
1376	sub find($) {	1629	sub find($) {
1377	return $cf::PLAYER{$_[0]} || do {	1630	return $cf::PLAYER{$_[0]} || do {
1378	my $login = $_[0];	1631	my $login = $_[0];
…		…
1390	my $f = new_from_file cf::object::thawer path $login	1643	my $f = new_from_file cf::object::thawer path $login
1391	or return;	1644	or return;
1392		1645
1393	my $pl = cf::player::load_pl $f	1646	my $pl = cf::player::load_pl $f
1394	or return;	1647	or return;
		1648
1395	local $cf::PLAYER_LOADING{$login} = $pl;	1649	local $cf::PLAYER_LOADING{$login} = $pl;
1396	$f->resolve_delayed_derefs;	1650	$f->resolve_delayed_derefs;
1397	$cf::PLAYER{$login} = $pl	1651	$cf::PLAYER{$login} = $pl
1398	}	1652	}
1399	}	1653	}
1400	}	1654	}
1401		1655
		1656	cf::player->attach (
		1657	on_load => sub {
		1658	my ($pl, $path) = @_;
		1659
		1660	# restore slots saved in save, below
		1661	my $slots = delete $pl->{_slots};
		1662
		1663	$pl->ob->current_weapon ($slots->[0]);
		1664	$pl->combat_ob ($slots->[1]);
		1665	$pl->ranged_ob ($slots->[2]);
		1666	},
		1667	);
		1668
1402	sub save($) {	1669	sub save($) {
1403	my ($pl) = @_;	1670	my ($pl) = @_;
1404		1671
1405	return if $pl->{deny_save};	1672	return if $pl->{deny_save};
1406		1673
…		…
1409		1676
1410	return if $pl->{deny_save};	1677	return if $pl->{deny_save};
1411		1678
1412	aio_mkdir playerdir $pl, 0770;	1679	aio_mkdir playerdir $pl, 0770;
1413	$pl->{last_save} = $cf::RUNTIME;	1680	$pl->{last_save} = $cf::RUNTIME;
		1681
		1682	cf::get_slot 0.01;
		1683
		1684	# save slots, to be restored later
		1685	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1414		1686
1415	$pl->save_pl ($path);	1687	$pl->save_pl ($path);
1416	cf::cede_to_tick;	1688	cf::cede_to_tick;
1417	}	1689	}
1418		1690
…		…
1450	my ($pl) = @_;	1722	my ($pl) = @_;
1451		1723
1452	my $name = $pl->ob->name;	1724	my $name = $pl->ob->name;
1453		1725
1454	$pl->{deny_save} = 1;	1726	$pl->{deny_save} = 1;
1455	$pl->password ("*"); # this should lock out the player until we nuked the dir	1727	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1456		1728
1457	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1729	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1458	$pl->deactivate;	1730	$pl->deactivate;
		1731
		1732	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1459	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1733	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1734	ext::highscore::check ($pl->ob);
		1735
1460	$pl->ns->destroy if $pl->ns;	1736	$pl->ns->destroy if $pl->ns;
1461		1737
1462	my $path = playerdir $pl;	1738	my $path = playerdir $pl;
1463	my $temp = "$path~$cf::RUNTIME~deleting~";	1739	my $temp = "$path~$cf::RUNTIME~deleting~";
1464	aio_rename $path, $temp;	1740	aio_rename $path, $temp;
…		…
1502		1778
1503	for my $login (@$dirs) {	1779	for my $login (@$dirs) {
1504	my $path = path $login;	1780	my $path = path $login;
1505		1781
1506	# a .pst is a dead give-away for a valid player	1782	# a .pst is a dead give-away for a valid player
1507	unless (-e "$path.pst") {	1783	# if no pst file found, open and chekc for blocked users
		1784	if (aio_stat "$path.pst") {
1508	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1785	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1509	aio_read $fh, 0, 512, my $buf, 0 or next;	1786	aio_read $fh, 0, 512, my $buf, 0 or next;
1510	$buf !~ /^password -------------$/m or next; # official not-valid tag	1787	$buf !~ /^password -------------$/m or next; # official not-valid tag
1511	}	1788	}
1512		1789
…		…
1516		1793
1517	\@logins	1794	\@logins
1518	}	1795	}
1519		1796
1520	=item $player->maps	1797	=item $player->maps
		1798
		1799	=item cf::player::maps $login
1521		1800
1522	Returns an arrayref of map paths that are private for this	1801	Returns an arrayref of map paths that are private for this
1523	player. May block.	1802	player. May block.
1524		1803
1525	=cut	1804	=cut
…		…
1543	}	1822	}
1544		1823
1545	\@paths	1824	\@paths
1546	}	1825	}
1547		1826
1548	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1827	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1549		1828
1550	Expand crossfire pod fragments into protocol xml.	1829	Expand deliantra pod fragments into protocol xml.
1551
1552	=cut
1553
1554	sub expand_cfpod {
1555	((my $self), (local $_)) = @_;
1556
1557	# escape & and <
1558	s/&/&amp;/g;
1559	s/(?<![BIUGHT])</&lt;/g;
1560
1561	# this is buggy, it needs to properly take care of nested <'s
1562
1563	1 while
1564	# replace B<>, I<>, U<> etc.
1565	s/B<([^\>]*)>/<b>$1<\/b>/
1566	|| s/I<([^\>]*)>/<i>$1<\/i>/
1567	|| s/U<([^\>]*)>/<u>$1<\/u>/
1568	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1569	# replace G<male|female> tags
1570	|| s{G<([^>|]*)\|([^>]*)>}{
1571	$self->gender ? $2 : $1
1572	}ge
1573	# replace H<hint text>
1574	|| s{H<([^\>]*)>}
1575	{
1576	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1577	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1578	"")
1579	[$self->{hintmode}]
1580	}ge;
1581
1582	# create single paragraphs (very hackish)
1583	s/(?<=\S)\n(?=\w)/ /g;
1584
1585	# compress some whitespace
1586	s/\s+\n/\n/g; # ws line-ends
1587	s/\n\n+/\n/g; # double lines
1588	s/^\n+//; # beginning lines
1589	s/\n+$//; # ending lines
1590
1591	$_
1592	}
1593
1594	sub hintmode {
1595	$_[0]{hintmode} = $_[1] if @_ > 1;
1596	$_[0]{hintmode}
1597	}
1598		1830
1599	=item $player->ext_reply ($msgid, @msg)	1831	=item $player->ext_reply ($msgid, @msg)
1600		1832
1601	Sends an ext reply to the player.	1833	Sends an ext reply to the player.
1602		1834
…		…
1634		1866
1635	=cut	1867	=cut
1636		1868
1637	sub find_by_path($) {	1869	sub find_by_path($) {
1638	my ($path) = @_;	1870	my ($path) = @_;
		1871
		1872	$path =~ s/^~[^\/]*//; # skip ~login
1639		1873
1640	my ($match, $specificity);	1874	my ($match, $specificity);
1641		1875
1642	for my $region (list) {	1876	for my $region (list) {
1643	if ($region->{match} && $path =~ $region->{match}) {	1877	if ($region->{match} && $path =~ $region->{match}) {
…		…
1669	our $MAX_RESET = 3600;	1903	our $MAX_RESET = 3600;
1670	our $DEFAULT_RESET = 3000;	1904	our $DEFAULT_RESET = 3000;
1671		1905
1672	sub generate_random_map {	1906	sub generate_random_map {
1673	my ($self, $rmp) = @_;	1907	my ($self, $rmp) = @_;
1674	# mit "rum" bekleckern, nicht	1908
		1909	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1910
1675	$self->_create_random_map (	1911	$self->_create_random_map ($rmp);
1676	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1677	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1678	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1679	$rmp->{exit_on_final_map},
1680	$rmp->{xsize}, $rmp->{ysize},
1681	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1682	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1683	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1684	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1685	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1686	(cf::region::find $rmp->{region}), $rmp->{custom}
1687	)
1688	}	1912	}
1689		1913
1690	=item cf::map->register ($regex, $prio)	1914	=item cf::map->register ($regex, $prio)
1691		1915
1692	Register a handler for the map path matching the given regex at the	1916	Register a handler for the map path matching the given regex at the
…		…
1697		1921
1698	sub register {	1922	sub register {
1699	my (undef, $regex, $prio) = @_;	1923	my (undef, $regex, $prio) = @_;
1700	my $pkg = caller;	1924	my $pkg = caller;
1701		1925
1702	no strict;
1703	push @{"$pkg\::ISA"}, __PACKAGE__;	1926	push @{"$pkg\::ISA"}, __PACKAGE__;
1704		1927
1705	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1928	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1706	}	1929	}
1707		1930
1708	# also paths starting with '/'	1931	# also paths starting with '/'
1709	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1932	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1710		1933
1711	sub thawer_merge {	1934	sub thawer_merge {
1712	my ($self, $merge) = @_;	1935	my ($self, $merge) = @_;
1713		1936
1714	# we have to keep some variables in memory intact	1937	# we have to keep some variables in memory intact
…		…
1719	}	1942	}
1720		1943
1721	sub normalise {	1944	sub normalise {
1722	my ($path, $base) = @_;	1945	my ($path, $base) = @_;
1723		1946
1724	$path = "$path"; # make sure its a string	1947	$path = "$path"; # make sure it's a string
1725		1948
1726	$path =~ s/\.map$//;	1949	$path =~ s/\.map$//;
1727		1950
1728	# map plan:	1951	# map plan:
1729	#	1952	#
…		…
1744	$base =~ s{[^/]+/?$}{};	1967	$base =~ s{[^/]+/?$}{};
1745	$path = "$base/$path";	1968	$path = "$base/$path";
1746	}	1969	}
1747		1970
1748	for ($path) {	1971	for ($path) {
1749	redo if s{//}{/};
1750	redo if s{/\.?/}{/};	1972	redo if s{/\.?/}{/};
1751	redo if s{/[^/]+/\.\./}{/};	1973	redo if s{/[^/]+/\.\./}{/};
1752	}	1974	}
1753		1975
1754	$path	1976	$path
…		…
1768	$self->init; # pass $1 etc.	1990	$self->init; # pass $1 etc.
1769	return $self;	1991	return $self;
1770	}	1992	}
1771	}	1993	}
1772		1994
1773	Carp::cluck "unable to resolve path '$path' (base '$base').";	1995	Carp::cluck "unable to resolve path '$path' (base '$base')";
1774	()	1996	()
1775	}	1997	}
1776		1998
		1999	# may re-bless or do other evil things
1777	sub init {	2000	sub init {
1778	my ($self) = @_;	2001	my ($self) = @_;
1779		2002
1780	$self	2003	$self
1781	}	2004	}
…		…
1800		2023
1801	# the temporary/swap location	2024	# the temporary/swap location
1802	sub save_path {	2025	sub save_path {
1803	my ($self) = @_;	2026	my ($self) = @_;
1804		2027
1805	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2028	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1806	"$TMPDIR/$path.map"	2029	"$TMPDIR/$path.map"
1807	}	2030	}
1808		2031
1809	# the unique path, undef == no special unique path	2032	# the unique path, undef == no special unique path
1810	sub uniq_path {	2033	sub uniq_path {
1811	my ($self) = @_;	2034	my ($self) = @_;
1812		2035
1813	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2036	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1814	"$UNIQUEDIR/$path"	2037	"$UNIQUEDIR/$path"
1815	}
1816
1817	# and all this just because we cannot iterate over
1818	# all maps in C++...
1819	sub change_all_map_light {
1820	my ($change) = @_;
1821
1822	$_->change_map_light ($change)
1823	for grep $_->outdoor, values %cf::MAP;
1824	}	2038	}
1825		2039
1826	sub decay_objects {	2040	sub decay_objects {
1827	my ($self) = @_;	2041	my ($self) = @_;
1828		2042
…		…
1855	$self->{load_path} = $path;	2069	$self->{load_path} = $path;
1856		2070
1857	1	2071	1
1858	}	2072	}
1859		2073
		2074	# used to laod the header of an original map
1860	sub load_header_orig {	2075	sub load_header_orig {
1861	my ($self) = @_;	2076	my ($self) = @_;
1862		2077
1863	$self->load_header_from ($self->load_path)	2078	$self->load_header_from ($self->load_path)
1864	}	2079	}
1865		2080
		2081	# used to laod the header of an instantiated map
1866	sub load_header_temp {	2082	sub load_header_temp {
1867	my ($self) = @_;	2083	my ($self) = @_;
1868		2084
1869	$self->load_header_from ($self->save_path)	2085	$self->load_header_from ($self->save_path)
1870	}	2086	}
1871		2087
		2088	# called after loading the header from an instantiated map
1872	sub prepare_temp {	2089	sub prepare_temp {
1873	my ($self) = @_;	2090	my ($self) = @_;
1874		2091
1875	$self->last_access ((delete $self->{last_access})	2092	$self->last_access ((delete $self->{last_access})
1876	|| $cf::RUNTIME); #d#	2093	|| $cf::RUNTIME); #d#
1877	# safety	2094	# safety
1878	$self->{instantiate_time} = $cf::RUNTIME	2095	$self->{instantiate_time} = $cf::RUNTIME
1879	if $self->{instantiate_time} > $cf::RUNTIME;	2096	if $self->{instantiate_time} > $cf::RUNTIME;
1880	}	2097	}
1881		2098
		2099	# called after loading the header from an original map
1882	sub prepare_orig {	2100	sub prepare_orig {
1883	my ($self) = @_;	2101	my ($self) = @_;
1884		2102
1885	$self->{load_original} = 1;	2103	$self->{load_original} = 1;
1886	$self->{instantiate_time} = $cf::RUNTIME;	2104	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1910		2128
1911	sub find;	2129	sub find;
1912	sub find {	2130	sub find {
1913	my ($path, $origin) = @_;	2131	my ($path, $origin) = @_;
1914		2132
		2133	cf::cede_to_tick;
		2134
1915	$path = normalise $path, $origin && $origin->path;	2135	$path = normalise $path, $origin;
1916		2136
1917	cf::lock_wait "map_data:$path";#d#remove	2137	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1918	cf::lock_wait "map_find:$path";	2138	my $guard2 = cf::lock_acquire "map_find:$path";
1919		2139
1920	$cf::MAP{$path} || do {	2140	$cf::MAP{$path} || do {
1921	my $guard1 = cf::lock_acquire "map_find:$path";
1922	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1923
1924	my $map = new_from_path cf::map $path	2141	my $map = new_from_path cf::map $path
1925	or return;	2142	or return;
1926		2143
1927	$map->{last_save} = $cf::RUNTIME;	2144	$map->{last_save} = $cf::RUNTIME;
1928		2145
…		…
1930	or return;	2147	or return;
1931		2148
1932	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2149	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1933	# doing this can freeze the server in a sync job, obviously	2150	# doing this can freeze the server in a sync job, obviously
1934	#$cf::WAIT_FOR_TICK->wait;	2151	#$cf::WAIT_FOR_TICK->wait;
		2152	undef $guard2;
1935	undef $guard1;	2153	undef $guard1;
1936	undef $guard2;
1937	$map->reset;	2154	$map->reset;
1938	return find $path;	2155	return find $path;
1939	}	2156	}
1940		2157
1941	$cf::MAP{$path} = $map	2158	$cf::MAP{$path} = $map
1942	}	2159	}
1943	}	2160	}
1944		2161
1945	sub pre_load { }	2162	sub pre_load { }
1946	sub post_load { }	2163	#sub post_load { } # XS
1947		2164
1948	sub load {	2165	sub load {
1949	my ($self) = @_;	2166	my ($self) = @_;
1950		2167
1951	local $self->{deny_reset} = 1; # loading can take a long time	2168	local $self->{deny_reset} = 1; # loading can take a long time
…		…
1956	my $guard = cf::lock_acquire "map_data:$path";	2173	my $guard = cf::lock_acquire "map_data:$path";
1957		2174
1958	return unless $self->valid;	2175	return unless $self->valid;
1959	return unless $self->in_memory == cf::MAP_SWAPPED;	2176	return unless $self->in_memory == cf::MAP_SWAPPED;
1960		2177
1961	$self->in_memory (cf::MAP_LOADING);
1962
1963	$self->alloc;	2178	$self->alloc;
1964		2179
1965	$self->pre_load;	2180	$self->pre_load;
1966	cf::cede_to_tick;	2181	cf::cede_to_tick;
1967		2182
		2183	if (exists $self->{load_path}) {
1968	my $f = new_from_file cf::object::thawer $self->{load_path};	2184	my $f = new_from_file cf::object::thawer $self->{load_path};
1969	$f->skip_block;	2185	$f->skip_block;
1970	$self->_load_objects ($f)	2186	$self->_load_objects ($f)
1971	or return;	2187	or return;
1972		2188
1973	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2189	$self->post_load_original
1974	if delete $self->{load_original};	2190	if delete $self->{load_original};
1975		2191
1976	if (my $uniq = $self->uniq_path) {	2192	if (my $uniq = $self->uniq_path) {
1977	utf8::encode $uniq;	2193	utf8::encode $uniq;
1978	unless (aio_stat $uniq) {	2194	unless (aio_stat $uniq) {
1979	if (my $f = new_from_file cf::object::thawer $uniq) {	2195	if (my $f = new_from_file cf::object::thawer $uniq) {
1980	$self->clear_unique_items;	2196	$self->clear_unique_items;
1981	$self->_load_objects ($f);	2197	$self->_load_objects ($f);
1982	$f->resolve_delayed_derefs;	2198	$f->resolve_delayed_derefs;
		2199	}
1983	}	2200	}
1984	}	2201	}
1985	}
1986		2202
1987	$f->resolve_delayed_derefs;	2203	$f->resolve_delayed_derefs;
		2204	} else {
		2205	$self->post_load_original
		2206	if delete $self->{load_original};
		2207	}
		2208
		2209	$self->in_memory (cf::MAP_INACTIVE);
1988		2210
1989	cf::cede_to_tick;	2211	cf::cede_to_tick;
1990	# now do the right thing for maps	2212	# now do the right thing for maps
1991	$self->link_multipart_objects;	2213	$self->link_multipart_objects;
1992	$self->difficulty ($self->estimate_difficulty)	2214	$self->difficulty ($self->estimate_difficulty)
…		…
1996	unless ($self->{deny_activate}) {	2218	unless ($self->{deny_activate}) {
1997	$self->decay_objects;	2219	$self->decay_objects;
1998	$self->fix_auto_apply;	2220	$self->fix_auto_apply;
1999	$self->update_buttons;	2221	$self->update_buttons;
2000	cf::cede_to_tick;	2222	cf::cede_to_tick;
2001	$self->set_darkness_map;	2223	#$self->activate; # no longer activate maps automatically
2002	cf::cede_to_tick;
2003	$self->activate;
2004	}	2224	}
2005		2225
2006	$self->{last_save} = $cf::RUNTIME;	2226	$self->{last_save} = $cf::RUNTIME;
2007	$self->last_access ($cf::RUNTIME);	2227	$self->last_access ($cf::RUNTIME);
2008
2009	$self->in_memory (cf::MAP_IN_MEMORY);
2010	}	2228	}
2011		2229
2012	$self->post_load;	2230	$self->post_load;
2013	}
2014		2231
		2232	1
		2233	}
		2234
		2235	# customize the map for a given player, i.e.
		2236	# return the _real_ map. used by e.g. per-player
		2237	# maps to change the path to ~playername/mappath
2015	sub customise_for {	2238	sub customise_for {
2016	my ($self, $ob) = @_;	2239	my ($self, $ob) = @_;
2017		2240
2018	return find "~" . $ob->name . "/" . $self->{path}	2241	return find "~" . $ob->name . "/" . $self->{path}
2019	if $self->per_player;	2242	if $self->per_player;
…		…
2035	or next;	2258	or next;
2036	$neigh = find $neigh, $map	2259	$neigh = find $neigh, $map
2037	or next;	2260	or next;
2038	$neigh->load;	2261	$neigh->load;
2039		2262
		2263	# now find the diagonal neighbours
2040	push @neigh,	2264	push @neigh,
2041	[$neigh->tile_path (($_ + 3) % 4), $neigh],	2265	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2042	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2266	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2043	}	2267	}
2044		2268
…		…
2051	}	2275	}
2052		2276
2053	sub find_sync {	2277	sub find_sync {
2054	my ($path, $origin) = @_;	2278	my ($path, $origin) = @_;
2055		2279
2056	cf::sync_job { find $path, $origin }	2280	# it's a bug to call this from the main context
		2281	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2282	if $Coro::current == $Coro::main;
		2283
		2284	find $path, $origin
2057	}	2285	}
2058		2286
2059	sub do_load_sync {	2287	sub do_load_sync {
2060	my ($map) = @_;	2288	my ($map) = @_;
2061		2289
		2290	# it's a bug to call this from the main context
2062	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2291	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2063	if $Coro::current == $Coro::main;	2292	if $Coro::current == $Coro::main;
2064		2293
2065	cf::sync_job { $map->load };	2294	$map->load;
2066	}	2295	}
2067		2296
2068	our %MAP_PREFETCH;	2297	our %MAP_PREFETCH;
2069	our $MAP_PREFETCHER = undef;	2298	our $MAP_PREFETCHER = undef;
2070		2299
2071	sub find_async {	2300	sub find_async {
2072	my ($path, $origin, $load) = @_;	2301	my ($path, $origin, $load) = @_;
2073		2302
2074	$path = normalise $path, $origin && $origin->{path};	2303	$path = normalise $path, $origin;
2075		2304
2076	if (my $map = $cf::MAP{$path}) {	2305	if (my $map = $cf::MAP{$path}) {
2077	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2306	return $map if !$load || $map->linkable;
2078	}	2307	}
2079		2308
2080	$MAP_PREFETCH{$path} |= $load;	2309	$MAP_PREFETCH{$path} |= $load;
2081		2310
2082	$MAP_PREFETCHER ||= cf::async {	2311	$MAP_PREFETCHER ||= cf::async {
…		…
2096	$MAP_PREFETCHER->prio (6);	2325	$MAP_PREFETCHER->prio (6);
2097		2326
2098	()	2327	()
2099	}	2328	}
2100		2329
		2330	# common code, used by both ->save and ->swapout
2101	sub save {	2331	sub _save {
2102	my ($self) = @_;	2332	my ($self) = @_;
2103
2104	my $lock = cf::lock_acquire "map_data:$self->{path}";
2105		2333
2106	$self->{last_save} = $cf::RUNTIME;	2334	$self->{last_save} = $cf::RUNTIME;
2107		2335
2108	return unless $self->dirty;	2336	return unless $self->dirty;
2109		2337
…		…
2118		2346
2119	cf::async {	2347	cf::async {
2120	$Coro::current->{desc} = "map player save";	2348	$Coro::current->{desc} = "map player save";
2121	$_->contr->save for $self->players;	2349	$_->contr->save for $self->players;
2122	};	2350	};
		2351
		2352	cf::get_slot 0.02;
2123		2353
2124	if ($uniq) {	2354	if ($uniq) {
2125	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2355	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2126	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2356	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2127	} else {	2357	} else {
2128	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2358	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2129	}	2359	}
2130	}	2360	}
2131		2361
		2362	sub save {
		2363	my ($self) = @_;
		2364
		2365	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2366
		2367	$self->_save;
		2368	}
		2369
2132	sub swap_out {	2370	sub swap_out {
2133	my ($self) = @_;	2371	my ($self) = @_;
2134		2372
2135	# save first because save cedes
2136	$self->save;
2137
2138	my $lock = cf::lock_acquire "map_data:$self->{path}";	2373	my $lock = cf::lock_acquire "map_data:$self->{path}";
2139		2374
		2375	return if !$self->linkable;
		2376	return if $self->{deny_save};
2140	return if $self->players;	2377	return if $self->players;
2141	return if $self->in_memory != cf::MAP_IN_MEMORY;
2142	return if $self->{deny_save};
2143		2378
		2379	# first deactivate the map and "unlink" it from the core
		2380	$self->deactivate;
		2381	$_->clear_links_to ($self) for values %cf::MAP;
2144	$self->in_memory (cf::MAP_SWAPPED);	2382	$self->in_memory (cf::MAP_SWAPPED);
		2383
		2384	# then atomically save
		2385	$self->_save;
		2386
		2387	# then free the map
		2388	$self->clear;
		2389	}
		2390
		2391	sub reset_at {
		2392	my ($self) = @_;
		2393
		2394	# TODO: safety, remove and allow resettable per-player maps
		2395	return 1e99 if $self->{deny_reset};
		2396
		2397	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2398	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2399
		2400	$time + $to
		2401	}
		2402
		2403	sub should_reset {
		2404	my ($self) = @_;
		2405
		2406	$self->reset_at <= $cf::RUNTIME
		2407	}
		2408
		2409	sub reset {
		2410	my ($self) = @_;
		2411
		2412	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2413
		2414	return if $self->players;
		2415
		2416	cf::trace "resetting map ", $self->path, "\n";
		2417
		2418	$self->in_memory (cf::MAP_SWAPPED);
		2419
		2420	# need to save uniques path
		2421	unless ($self->{deny_save}) {
		2422	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2423
		2424	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2425	if $uniq;
		2426	}
		2427
		2428	delete $cf::MAP{$self->path};
2145		2429
2146	$self->deactivate;	2430	$self->deactivate;
2147	$_->clear_links_to ($self) for values %cf::MAP;	2431	$_->clear_links_to ($self) for values %cf::MAP;
2148	$self->clear;	2432	$self->clear;
2149	}
2150
2151	sub reset_at {
2152	my ($self) = @_;
2153
2154	# TODO: safety, remove and allow resettable per-player maps
2155	return 1e99 if $self->{deny_reset};
2156
2157	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2158	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2159
2160	$time + $to
2161	}
2162
2163	sub should_reset {
2164	my ($self) = @_;
2165
2166	$self->reset_at <= $cf::RUNTIME
2167	}
2168
2169	sub reset {
2170	my ($self) = @_;
2171
2172	my $lock = cf::lock_acquire "map_data:$self->{path}";
2173
2174	return if $self->players;
2175
2176	warn "resetting map ", $self->path;
2177
2178	$self->in_memory (cf::MAP_SWAPPED);
2179
2180	# need to save uniques path
2181	unless ($self->{deny_save}) {
2182	my $uniq = $self->uniq_path; utf8::encode $uniq;
2183
2184	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2185	if $uniq;
2186	}
2187
2188	delete $cf::MAP{$self->path};
2189
2190	$self->deactivate;
2191	$_->clear_links_to ($self) for values %cf::MAP;
2192	$self->clear;
2193		2433
2194	$self->unlink_save;	2434	$self->unlink_save;
2195	$self->destroy;	2435	$self->destroy;
2196	}	2436	}
2197		2437
…		…
2205		2445
2206	delete $cf::MAP{$self->path};	2446	delete $cf::MAP{$self->path};
2207		2447
2208	$self->unlink_save;	2448	$self->unlink_save;
2209		2449
2210	bless $self, "cf::map";	2450	bless $self, "cf::map::wrap";
2211	delete $self->{deny_reset};	2451	delete $self->{deny_reset};
2212	$self->{deny_save} = 1;	2452	$self->{deny_save} = 1;
2213	$self->reset_timeout (1);	2453	$self->reset_timeout (1);
2214	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2454	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2215		2455
…		…
2264		2504
2265	sub unique_maps() {	2505	sub unique_maps() {
2266	[	2506	[
2267	map {	2507	map {
2268	utf8::decode $_;	2508	utf8::decode $_;
2269	/\.map$/	2509	s/\.map$//; # TODO future compatibility hack
		2510	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2511	? ()
2270	? normalise $_	2512	: normalise $_
2271	: ()
2272	} @{ aio_readdir $UNIQUEDIR or [] }	2513	} @{ aio_readdir $UNIQUEDIR or [] }
2273	]	2514	]
2274	}	2515	}
2275		2516
2276	package cf;	2517	=item cf::map::static_maps
		2518
		2519	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2520	file in the shared directory excluding F</styles> and F</editor>). May
		2521	block.
		2522
		2523	=cut
		2524
		2525	sub static_maps() {
		2526	my @dirs = "";
		2527	my @maps;
		2528
		2529	while (@dirs) {
		2530	my $dir = shift @dirs;
		2531
		2532	next if $dir eq "/styles" || $dir eq "/editor";
		2533
		2534	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2535	or return;
		2536
		2537	for (@$files) {
		2538	s/\.map$// or next;
		2539	utf8::decode $_;
		2540	push @maps, "$dir/$_";
		2541	}
		2542
		2543	push @dirs, map "$dir/$_", @$dirs;
		2544	}
		2545
		2546	\@maps
		2547	}
2277		2548
2278	=back	2549	=back
2279		2550
2280	=head3 cf::object	2551	=head3 cf::object
2281		2552
…		…
2285		2556
2286	=over 4	2557	=over 4
2287		2558
2288	=item $ob->inv_recursive	2559	=item $ob->inv_recursive
2289		2560
2290	Returns the inventory of the object _and_ their inventories, recursively.	2561	Returns the inventory of the object I<and> their inventories, recursively,
		2562	but I<not> the object itself.
2291		2563
2292	=cut	2564	=cut
2293		2565
2294	sub inv_recursive_;	2566	sub inv_recursive_;
2295	sub inv_recursive_ {	2567	sub inv_recursive_ {
…		…
2300	inv_recursive_ inv $_[0]	2572	inv_recursive_ inv $_[0]
2301	}	2573	}
2302		2574
2303	=item $ref = $ob->ref	2575	=item $ref = $ob->ref
2304		2576
2305	creates and returns a persistent reference to an objetc that can be stored as a string.	2577	Creates and returns a persistent reference to an object that can be stored as a string.
2306		2578
2307	=item $ob = cf::object::deref ($refstring)	2579	=item $ob = cf::object::deref ($refstring)
2308		2580
2309	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2581	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2310	even if the object actually exists. May block.	2582	even if the object actually exists. May block.
…		…
2342	can be C<undef>. Does the right thing when the player is currently in a	2614	can be C<undef>. Does the right thing when the player is currently in a
2343	dialogue with the given NPC character.	2615	dialogue with the given NPC character.
2344		2616
2345	=cut	2617	=cut
2346		2618
		2619	our $SAY_CHANNEL = {
		2620	id => "say",
		2621	title => "Map",
		2622	reply => "say ",
		2623	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2624	};
		2625
		2626	our $CHAT_CHANNEL = {
		2627	id => "chat",
		2628	title => "Chat",
		2629	reply => "chat ",
		2630	tooltip => "Player chat and shouts, global to the server.",
		2631	};
		2632
2347	# rough implementation of a future "reply" method that works	2633	# rough implementation of a future "reply" method that works
2348	# with dialog boxes.	2634	# with dialog boxes.
2349	#TODO: the first argument must go, split into a $npc->reply_to ( method	2635	#TODO: the first argument must go, split into a $npc->reply_to ( method
2350	sub cf::object::player::reply($$$;$) {	2636	sub cf::object::player::reply($$$;$) {
2351	my ($self, $npc, $msg, $flags) = @_;	2637	my ($self, $npc, $msg, $flags) = @_;
…		…
2362	my $dialog = $pl->{npc_dialog};	2648	my $dialog = $pl->{npc_dialog};
2363	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2649	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2364		2650
2365	} else {	2651	} else {
2366	$msg = $npc->name . " says: $msg" if $npc;	2652	$msg = $npc->name . " says: $msg" if $npc;
2367	$self->message ($msg, $flags);	2653	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2368	}	2654	}
2369	}	2655	}
2370	}	2656	}
2371		2657
2372	=item $object->send_msg ($channel, $msg, $color, [extra...])	2658	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2397		2683
2398	=item $player_object->enter_link	2684	=item $player_object->enter_link
2399		2685
2400	Freezes the player and moves him/her to a special map (C<{link}>).	2686	Freezes the player and moves him/her to a special map (C<{link}>).
2401		2687
2402	The player should be reasonably safe there for short amounts of time. You	2688	The player should be reasonably safe there for short amounts of time (e.g.
2403	I<MUST> call C<leave_link> as soon as possible, though.	2689	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2690	though, as the player cannot control the character while it is on the link
		2691	map.
2404		2692
2405	Will never block.	2693	Will never block.
2406		2694
2407	=item $player_object->leave_link ($map, $x, $y)	2695	=item $player_object->leave_link ($map, $x, $y)
2408		2696
…		…
2428	sub cf::object::player::enter_link {	2716	sub cf::object::player::enter_link {
2429	my ($self) = @_;	2717	my ($self) = @_;
2430		2718
2431	$self->deactivate_recursive;	2719	$self->deactivate_recursive;
2432		2720
		2721	++$self->{_link_recursion};
		2722
2433	return if UNIVERSAL::isa $self->map, "ext::map_link";	2723	return if UNIVERSAL::isa $self->map, "ext::map_link";
2434		2724
2435	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2725	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2436	if $self->map && $self->map->{path} ne "{link}";	2726	if $self->map && $self->map->{path} ne "{link}";
2437		2727
2438	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2728	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2439	}	2729	}
2440		2730
2441	sub cf::object::player::leave_link {	2731	sub cf::object::player::leave_link {
2442	my ($self, $map, $x, $y) = @_;	2732	my ($self, $map, $x, $y) = @_;
2443		2733
…		…
2460	($x, $y) = (-1, -1)	2750	($x, $y) = (-1, -1)
2461	unless (defined $x) && (defined $y);	2751	unless (defined $x) && (defined $y);
2462		2752
2463	# use -1 or undef as default coordinates, not 0, 0	2753	# use -1 or undef as default coordinates, not 0, 0
2464	($x, $y) = ($map->enter_x, $map->enter_y)	2754	($x, $y) = ($map->enter_x, $map->enter_y)
2465	if $x <=0 && $y <= 0;	2755	if $x <= 0 && $y <= 0;
2466		2756
2467	$map->load;	2757	$map->load;
2468	$map->load_neighbours;	2758	$map->load_neighbours;
2469		2759
2470	return unless $self->contr->active;	2760	return unless $self->contr->active;
2471	$self->activate_recursive;
2472		2761
2473	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2762	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2474	$self->enter_map ($map, $x, $y);	2763	if ($self->enter_map ($map, $x, $y)) {
2475	}	2764	# entering was successful
		2765	delete $self->{_link_recursion};
		2766	# only activate afterwards, to support waiting in hooks
		2767	$self->activate_recursive;
		2768	}
2476		2769
		2770	}
		2771
2477	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2772	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2478		2773
2479	Moves the player to the given map-path and coordinates by first freezing	2774	Moves the player to the given map-path and coordinates by first freezing
2480	her, loading and preparing them map, calling the provided $check callback	2775	her, loading and preparing them map, calling the provided $check callback
2481	that has to return the map if sucecssful, and then unfreezes the player on	2776	that has to return the map if sucecssful, and then unfreezes the player on
2482	the new (success) or old (failed) map position. In either case, $done will	2777	the new (success) or old (failed) map position. In either case, $done will
2483	be called at the end of this process.	2778	be called at the end of this process.
2484		2779
		2780	Note that $check will be called with a potentially non-loaded map, so if
		2781	it needs a loaded map it has to call C<< ->load >>.
		2782
2485	=cut	2783	=cut
2486		2784
2487	our $GOTOGEN;	2785	our $GOTOGEN;
2488		2786
2489	sub cf::object::player::goto {	2787	sub cf::object::player::goto {
2490	my ($self, $path, $x, $y, $check, $done) = @_;	2788	my ($self, $path, $x, $y, $check, $done) = @_;
		2789
		2790	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2791	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2792	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2793	($path, $x, $y) = @$EMERGENCY_POSITION;
		2794	}
2491		2795
2492	# do generation counting so two concurrent goto's will be executed in-order	2796	# do generation counting so two concurrent goto's will be executed in-order
2493	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2797	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2494		2798
2495	$self->enter_link;	2799	$self->enter_link;
…		…
2515	($path, $x, $y) = (undef, undef, undef);	2819	($path, $x, $y) = (undef, undef, undef);
2516	}	2820	}
2517	}	2821	}
2518		2822
2519	my $map = eval {	2823	my $map = eval {
2520	my $map = defined $path ? cf::map::find $path : undef;	2824	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2521		2825
2522	if ($map) {	2826	if ($map) {
2523	$map = $map->customise_for ($self);	2827	$map = $map->customise_for ($self);
2524	$map = $check->($map) if $check && $map;	2828	$map = $check->($map, $x, $y, $self) if $check && $map;
2525	} else {	2829	} else {
2526	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2830	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2527	}	2831	}
2528		2832
2529	$map	2833	$map
…		…
2537	if ($gen == $self->{_goto_generation}) {	2841	if ($gen == $self->{_goto_generation}) {
2538	delete $self->{_goto_generation};	2842	delete $self->{_goto_generation};
2539	$self->leave_link ($map, $x, $y);	2843	$self->leave_link ($map, $x, $y);
2540	}	2844	}
2541		2845
2542	$done->() if $done;	2846	$done->($self) if $done;
2543	})->prio (1);	2847	})->prio (1);
2544	}	2848	}
2545		2849
2546	=item $player_object->enter_exit ($exit_object)	2850	=item $player_object->enter_exit ($exit_object)
2547		2851
…		…
2567	}	2871	}
2568		2872
2569	sub prepare_random_map {	2873	sub prepare_random_map {
2570	my ($exit) = @_;	2874	my ($exit) = @_;
2571		2875
2572	my $guard = cf::lock_acquire "exit_prepare:$exit";
2573
2574	# all this does is basically replace the /! path by	2876	# all this does is basically replace the /! path by
2575	# a new random map path (?random/...) with a seed	2877	# a new random map path (?random/...) with a seed
2576	# that depends on the exit object	2878	# that depends on the exit object
2577		2879
2578	my $rmp = parse_random_map_params $exit->msg;	2880	my $rmp = parse_random_map_params $exit->msg;
…		…
2580	if ($exit->map) {	2882	if ($exit->map) {
2581	$rmp->{region} = $exit->region->name;	2883	$rmp->{region} = $exit->region->name;
2582	$rmp->{origin_map} = $exit->map->path;	2884	$rmp->{origin_map} = $exit->map->path;
2583	$rmp->{origin_x} = $exit->x;	2885	$rmp->{origin_x} = $exit->x;
2584	$rmp->{origin_y} = $exit->y;	2886	$rmp->{origin_y} = $exit->y;
		2887
		2888	$exit->map->touch;
2585	}	2889	}
2586		2890
2587	$rmp->{random_seed} ||= $exit->random_seed;	2891	$rmp->{random_seed} ||= $exit->random_seed;
2588		2892
2589	my $data = cf::to_json $rmp;	2893	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2590	my $md5 = Digest::MD5::md5_hex $data;	2894	my $md5 = Digest::MD5::md5_hex $data;
2591	my $meta = "$RANDOMDIR/$md5.meta";	2895	my $meta = "$RANDOMDIR/$md5.meta";
2592		2896
2593	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2897	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2594	aio_write $fh, 0, (length $data), $data, 0;	2898	aio_write $fh, 0, (length $data), $data, 0;
2595	undef $fh;	2899	undef $fh;
2596	aio_rename "$meta~", $meta;	2900	aio_rename "$meta~", $meta;
2597		2901
		2902	my $slaying = "?random/$md5";
		2903
		2904	if ($exit->valid) {
2598	$exit->slaying ("?random/$md5");	2905	$exit->slaying ("?random/$md5");
2599	$exit->msg (undef);	2906	$exit->msg (undef);
		2907	}
2600	}	2908	}
2601	}	2909	}
2602		2910
2603	sub cf::object::player::enter_exit {	2911	sub cf::object::player::enter_exit {
2604	my ($self, $exit) = @_;	2912	my ($self, $exit) = @_;
2605		2913
2606	return unless $self->type == cf::PLAYER;	2914	return unless $self->type == cf::PLAYER;
2607		2915
2608	if ($exit->slaying eq "/!") {
2609	#TODO: this should de-fi-ni-te-ly not be a sync-job
2610	# the problem is that $exit might not survive long enough
2611	# so it needs to be done right now, right here
2612	cf::sync_job { prepare_random_map $exit };
2613	}
2614
2615	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2616	my $hp = $exit->stats->hp;
2617	my $sp = $exit->stats->sp;
2618
2619	$self->enter_link;	2916	$self->enter_link;
2620		2917
2621	# if exit is damned, update players death & WoR home-position
2622	$self->contr->savebed ($slaying, $hp, $sp)
2623	if $exit->flag (FLAG_DAMNED);
2624
2625	(async {	2918	(async {
2626	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2919	$Coro::current->{desc} = "enter_exit";
2627		2920
2628	$self->deactivate_recursive; # just to be sure
2629	unless (eval {	2921	unless (eval {
		2922	$self->deactivate_recursive; # just to be sure
		2923
		2924	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2925	my $x = $exit->stats->hp;
		2926	my $y = $exit->stats->sp;
		2927
		2928	# special map handling
		2929	my $slaying = $exit->slaying;
		2930
		2931	# special map handling
		2932	if ($slaying eq "/!") {
		2933	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2934
		2935	prepare_random_map $exit
		2936	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2937
		2938	$map = $exit->slaying;
		2939
		2940	} elsif ($slaying eq '!up') {
		2941	$map = $exit->map->tile_path (cf::TILE_UP);
		2942	$x = $exit->x;
		2943	$y = $exit->y;
		2944
		2945	} elsif ($slaying eq '!down') {
		2946	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2947	$x = $exit->x;
		2948	$y = $exit->y;
		2949	}
		2950
2630	$self->goto ($slaying, $hp, $sp);	2951	$self->goto ($map, $x, $y);
2631		2952
		2953	# if exit is damned, update players death & WoR home-position
		2954	$self->contr->savebed ($map, $x, $y)
		2955	if $exit->flag (cf::FLAG_DAMNED);
		2956
2632	1;	2957	1
2633	}) {	2958	}) {
2634	$self->message ("Something went wrong deep within the crossfire server. "	2959	$self->message ("Something went wrong deep within the deliantra server. "
2635	. "I'll try to bring you back to the map you were before. "	2960	. "I'll try to bring you back to the map you were before. "
2636	. "Please report this to the dungeon master!",	2961	. "Please report this to the dungeon master!",
2637	cf::NDI_UNIQUE | cf::NDI_RED);	2962	cf::NDI_UNIQUE | cf::NDI_RED);
2638		2963
2639	warn "ERROR in enter_exit: $@";	2964	error "ERROR in enter_exit: $@";
2640	$self->leave_link;	2965	$self->leave_link;
2641	}	2966	}
2642	})->prio (1);	2967	})->prio (1);
2643	}	2968	}
2644		2969
…		…
2656	sub cf::client::send_drawinfo {	2981	sub cf::client::send_drawinfo {
2657	my ($self, $text, $flags) = @_;	2982	my ($self, $text, $flags) = @_;
2658		2983
2659	utf8::encode $text;	2984	utf8::encode $text;
2660	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2985	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2986	}
		2987
		2988	=item $client->send_big_packet ($pkt)
		2989
		2990	Like C<send_packet>, but tries to compress large packets, and fragments
		2991	them as required.
		2992
		2993	=cut
		2994
		2995	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2996
		2997	sub cf::client::send_big_packet {
		2998	my ($self, $pkt) = @_;
		2999
		3000	# try lzf for large packets
		3001	$pkt = "lzf " . Compress::LZF::compress $pkt
		3002	if 1024 <= length $pkt and $self->{can_lzf};
		3003
		3004	# split very large packets
		3005	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3006	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3007	$pkt = "frag";
		3008	}
		3009
		3010	$self->send_packet ($pkt);
2661	}	3011	}
2662		3012
2663	=item $client->send_msg ($channel, $msg, $color, [extra...])	3013	=item $client->send_msg ($channel, $msg, $color, [extra...])
2664		3014
2665	Send a drawinfo or msg packet to the client, formatting the msg for the	3015	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2667	the message, with C<log> being the default. If C<$color> is negative, suppress	3017	the message, with C<log> being the default. If C<$color> is negative, suppress
2668	the message unless the client supports the msg packet.	3018	the message unless the client supports the msg packet.
2669		3019
2670	=cut	3020	=cut
2671		3021
		3022	# non-persistent channels (usually the info channel)
2672	our %CHANNEL = (	3023	our %CHANNEL = (
		3024	"c/motd" => {
		3025	id => "infobox",
		3026	title => "MOTD",
		3027	reply => undef,
		3028	tooltip => "The message of the day",
		3029	},
2673	"c/identify" => {	3030	"c/identify" => {
2674	id => "infobox",	3031	id => "infobox",
2675	title => "Identify",	3032	title => "Identify",
2676	reply => undef,	3033	reply => undef,
2677	tooltip => "Items recently identified",	3034	tooltip => "Items recently identified",
…		…
2680	id => "infobox",	3037	id => "infobox",
2681	title => "Examine",	3038	title => "Examine",
2682	reply => undef,	3039	reply => undef,
2683	tooltip => "Signs and other items you examined",	3040	tooltip => "Signs and other items you examined",
2684	},	3041	},
		3042	"c/shopinfo" => {
		3043	id => "infobox",
		3044	title => "Shop Info",
		3045	reply => undef,
		3046	tooltip => "What your bargaining skill tells you about the shop",
		3047	},
		3048	"c/book" => {
		3049	id => "infobox",
		3050	title => "Book",
		3051	reply => undef,
		3052	tooltip => "The contents of a note or book",
		3053	},
2685	"c/lookat" => {	3054	"c/lookat" => {
2686	id => "infobox",	3055	id => "infobox",
2687	title => "Look",	3056	title => "Look",
2688	reply => undef,	3057	reply => undef,
2689	tooltip => "What you saw there",	3058	tooltip => "What you saw there",
2690	},	3059	},
		3060	"c/who" => {
		3061	id => "infobox",
		3062	title => "Players",
		3063	reply => undef,
		3064	tooltip => "Shows players who are currently online",
		3065	},
		3066	"c/body" => {
		3067	id => "infobox",
		3068	title => "Body Parts",
		3069	reply => undef,
		3070	tooltip => "Shows which body parts you posess and are available",
		3071	},
		3072	"c/statistics" => {
		3073	id => "infobox",
		3074	title => "Statistics",
		3075	reply => undef,
		3076	tooltip => "Shows your primary statistics",
		3077	},
		3078	"c/skills" => {
		3079	id => "infobox",
		3080	title => "Skills",
		3081	reply => undef,
		3082	tooltip => "Shows your experience per skill and item power",
		3083	},
		3084	"c/shopitems" => {
		3085	id => "infobox",
		3086	title => "Shop Items",
		3087	reply => undef,
		3088	tooltip => "Shows the items currently for sale in this shop",
		3089	},
		3090	"c/resistances" => {
		3091	id => "infobox",
		3092	title => "Resistances",
		3093	reply => undef,
		3094	tooltip => "Shows your resistances",
		3095	},
		3096	"c/pets" => {
		3097	id => "infobox",
		3098	title => "Pets",
		3099	reply => undef,
		3100	tooltip => "Shows information abotu your pets/a specific pet",
		3101	},
		3102	"c/perceiveself" => {
		3103	id => "infobox",
		3104	title => "Perceive Self",
		3105	reply => undef,
		3106	tooltip => "You gained detailed knowledge about yourself",
		3107	},
		3108	"c/uptime" => {
		3109	id => "infobox",
		3110	title => "Uptime",
		3111	reply => undef,
		3112	tooltip => "How long the server has been running since last restart",
		3113	},
		3114	"c/mapinfo" => {
		3115	id => "infobox",
		3116	title => "Map Info",
		3117	reply => undef,
		3118	tooltip => "Information related to the maps",
		3119	},
		3120	"c/party" => {
		3121	id => "party",
		3122	title => "Party",
		3123	reply => "gsay ",
		3124	tooltip => "Messages and chat related to your party",
		3125	},
		3126	"c/death" => {
		3127	id => "death",
		3128	title => "Death",
		3129	reply => undef,
		3130	tooltip => "Reason for and more info about your most recent death",
		3131	},
		3132	"c/say" => $SAY_CHANNEL,
		3133	"c/chat" => $CHAT_CHANNEL,
2691	);	3134	);
2692		3135
2693	sub cf::client::send_msg {	3136	sub cf::client::send_msg {
2694	my ($self, $channel, $msg, $color, @extra) = @_;	3137	my ($self, $channel, $msg, $color, @extra) = @_;
2695		3138
2696	$msg = $self->pl->expand_cfpod ($msg);	3139	$msg = $self->pl->expand_cfpod ($msg)
		3140	unless $color & cf::NDI_VERBATIM;
2697		3141
2698	$color &= cf::NDI_CLIENT_MASK; # just in case...	3142	$color &= cf::NDI_CLIENT_MASK; # just in case...
2699		3143
2700	# check predefined channels, for the benefit of C	3144	# check predefined channels, for the benefit of C
2701	if ($CHANNEL{$channel}) {	3145	if ($CHANNEL{$channel}) {
2702	$channel = $CHANNEL{$channel};	3146	$channel = $CHANNEL{$channel};
2703		3147
2704	$self->ext_msg (channel_info => $channel)	3148	$self->ext_msg (channel_info => $channel);
2705	if $self->can_msg;
2706
2707	$channel = $channel->{id};	3149	$channel = $channel->{id};
2708		3150
2709	} elsif (ref $channel) {	3151	} elsif (ref $channel) {
2710	# send meta info to client, if not yet sent	3152	# send meta info to client, if not yet sent
2711	unless (exists $self->{channel}{$channel->{id}}) {	3153	unless (exists $self->{channel}{$channel->{id}}) {
2712	$self->{channel}{$channel->{id}} = $channel;	3154	$self->{channel}{$channel->{id}} = $channel;
2713	$self->ext_msg (channel_info => $channel)	3155	$self->ext_msg (channel_info => $channel);
2714	if $self->can_msg;
2715	}	3156	}
2716		3157
2717	$channel = $channel->{id};	3158	$channel = $channel->{id};
2718	}	3159	}
2719		3160
2720	return unless @extra || length $msg;	3161	return unless @extra || length $msg;
2721		3162
2722	if ($self->can_msg) {
2723	# default colour, mask it out	3163	# default colour, mask it out
2724	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3164	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2725	if $color & cf::NDI_DEF;	3165	if $color & cf::NDI_DEF;
2726		3166
2727	$self->send_packet ("msg " . $self->{json_coder}->encode (	3167	my $pkt = "msg "
		3168	. $self->{json_coder}->encode (
2728	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3169	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2729	} else {	3170	);
2730	if ($color >= 0) {
2731	# replace some tags by gcfclient-compatible ones
2732	for ($msg) {
2733	1 while
2734	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2735	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2736	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2737	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2738	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2739	}
2740		3171
2741	$color &= cf::NDI_COLOR_MASK;	3172	$self->send_big_packet ($pkt);
2742
2743	utf8::encode $msg;
2744
2745	if (0 && $msg =~ /\[/) {
2746	# COMMAND/INFO
2747	$self->send_packet ("drawextinfo $color 10 8 $msg")
2748	} else {
2749	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2750	$self->send_packet ("drawinfo $color $msg")
2751	}
2752	}
2753	}
2754	}	3173	}
2755		3174
2756	=item $client->ext_msg ($type, @msg)	3175	=item $client->ext_msg ($type, @msg)
2757		3176
2758	Sends an ext event to the client.	3177	Sends an ext event to the client.
…		…
2761		3180
2762	sub cf::client::ext_msg($$@) {	3181	sub cf::client::ext_msg($$@) {
2763	my ($self, $type, @msg) = @_;	3182	my ($self, $type, @msg) = @_;
2764		3183
2765	if ($self->extcmd == 2) {	3184	if ($self->extcmd == 2) {
2766	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3185	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2767	} elsif ($self->extcmd == 1) { # TODO: remove	3186	} elsif ($self->extcmd == 1) { # TODO: remove
2768	push @msg, msgtype => "event_$type";	3187	push @msg, msgtype => "event_$type";
2769	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3188	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2770	}	3189	}
2771	}	3190	}
2772		3191
2773	=item $client->ext_reply ($msgid, @msg)	3192	=item $client->ext_reply ($msgid, @msg)
2774		3193
…		…
2778		3197
2779	sub cf::client::ext_reply($$@) {	3198	sub cf::client::ext_reply($$@) {
2780	my ($self, $id, @msg) = @_;	3199	my ($self, $id, @msg) = @_;
2781		3200
2782	if ($self->extcmd == 2) {	3201	if ($self->extcmd == 2) {
2783	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3202	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2784	} elsif ($self->extcmd == 1) {	3203	} elsif ($self->extcmd == 1) {
2785	#TODO: version 1, remove	3204	#TODO: version 1, remove
2786	unshift @msg, msgtype => "reply", msgid => $id;	3205	unshift @msg, msgtype => "reply", msgid => $id;
2787	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3206	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2788	}	3207	}
2789	}	3208	}
2790		3209
2791	=item $success = $client->query ($flags, "text", \&cb)	3210	=item $success = $client->query ($flags, "text", \&cb)
2792		3211
…		…
2863		3282
2864	$ns->ext_reply ($reply, @reply)	3283	$ns->ext_reply ($reply, @reply)
2865	if $reply;	3284	if $reply;
2866		3285
2867	} else {	3286	} else {
2868	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3287	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2869	}	3288	}
2870		3289
2871	cf::override;	3290	cf::override;
2872	},	3291	},
2873	);	3292	);
…		…
2893		3312
2894	$coro	3313	$coro
2895	}	3314	}
2896		3315
2897	cf::client->attach (	3316	cf::client->attach (
2898	on_destroy => sub {	3317	on_client_destroy => sub {
2899	my ($ns) = @_;	3318	my ($ns) = @_;
2900		3319
2901	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3320	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2902	},	3321	},
2903	);	3322	);
…		…
2919	our $safe_hole = new Safe::Hole;	3338	our $safe_hole = new Safe::Hole;
2920		3339
2921	$SIG{FPE} = 'IGNORE';	3340	$SIG{FPE} = 'IGNORE';
2922		3341
2923	$safe->permit_only (Opcode::opset qw(	3342	$safe->permit_only (Opcode::opset qw(
2924	:base_core :base_mem :base_orig :base_math	3343	:base_core :base_mem :base_orig :base_math :base_loop
2925	grepstart grepwhile mapstart mapwhile	3344	grepstart grepwhile mapstart mapwhile
2926	sort time	3345	sort time
2927	));	3346	));
2928		3347
2929	# here we export the classes and methods available to script code	3348	# here we export the classes and methods available to script code
…		…
2932		3351
2933	The following functions and methods are available within a safe environment:	3352	The following functions and methods are available within a safe environment:
2934		3353
2935	cf::object	3354	cf::object
2936	contr pay_amount pay_player map x y force_find force_add destroy	3355	contr pay_amount pay_player map x y force_find force_add destroy
2937	insert remove name archname title slaying race decrease_ob_nr	3356	insert remove name archname title slaying race decrease split
		3357	value
2938		3358
2939	cf::object::player	3359	cf::object::player
2940	player	3360	player
2941		3361
2942	cf::player	3362	cf::player
…		…
2947		3367
2948	=cut	3368	=cut
2949		3369
2950	for (	3370	for (
2951	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3371	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2952	insert remove inv name archname title slaying race	3372	insert remove inv nrof name archname title slaying race
2953	decrease_ob_nr destroy)],	3373	decrease split destroy change_exp value msg lore send_msg)],
2954	["cf::object::player" => qw(player)],	3374	["cf::object::player" => qw(player)],
2955	["cf::player" => qw(peaceful)],	3375	["cf::player" => qw(peaceful send_msg)],
2956	["cf::map" => qw(trigger)],	3376	["cf::map" => qw(trigger)],
2957	) {	3377	) {
2958	no strict 'refs';
2959	my ($pkg, @funs) = @$_;	3378	my ($pkg, @funs) = @$_;
2960	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3379	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2961	for @funs;	3380	for @funs;
2962	}	3381	}
2963		3382
…		…
2978		3397
2979	my $qcode = $code;	3398	my $qcode = $code;
2980	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3399	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2981	$qcode =~ s/\n/\\n/g;	3400	$qcode =~ s/\n/\\n/g;
2982		3401
		3402	%vars = (_dummy => 0) unless %vars;
		3403
		3404	my @res;
2983	local $_;	3405	local $_;
2984	local @safe::cf::_safe_eval_args = values %vars;
2985		3406
2986	my $eval =	3407	my $eval =
2987	"do {\n"	3408	"do {\n"
2988	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3409	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2989	. "#line 0 \"{$qcode}\"\n"	3410	. "#line 0 \"{$qcode}\"\n"
2990	. $code	3411	. $code
2991	. "\n}"	3412	. "\n}"
2992	;	3413	;
2993		3414
		3415	if ($CFG{safe_eval}) {
2994	sub_generation_inc;	3416	sub_generation_inc;
		3417	local @safe::cf::_safe_eval_args = values %vars;
2995	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3418	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2996	sub_generation_inc;	3419	sub_generation_inc;
		3420	} else {
		3421	local @cf::_safe_eval_args = values %vars;
		3422	@res = wantarray ? eval eval : scalar eval $eval;
		3423	}
2997		3424
2998	if ($@) {	3425	if ($@) {
2999	warn "$@";	3426	warn "$@",
3000	warn "while executing safe code '$code'\n";	3427	"while executing safe code '$code'\n",
3001	warn "with arguments " . (join " ", %vars) . "\n";	3428	"with arguments " . (join " ", %vars) . "\n";
3002	}	3429	}
3003		3430
3004	wantarray ? @res : $res[0]	3431	wantarray ? @res : $res[0]
3005	}	3432	}
3006		3433
…		…
3020	=cut	3447	=cut
3021		3448
3022	sub register_script_function {	3449	sub register_script_function {
3023	my ($fun, $cb) = @_;	3450	my ($fun, $cb) = @_;
3024		3451
3025	no strict 'refs';	3452	$fun = "safe::$fun" if $CFG{safe_eval};
3026	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3453	*$fun = $safe_hole->wrap ($cb);
3027	}	3454	}
3028		3455
3029	=back	3456	=back
3030		3457
3031	=cut	3458	=cut
…		…
3040	# for this (global event?)	3467	# for this (global event?)
3041	%ext::player_env::MUSIC_FACE_CACHE = ();	3468	%ext::player_env::MUSIC_FACE_CACHE = ();
3042		3469
3043	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3470	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3044		3471
3045	warn "loading facedata from $path\n";	3472	trace "loading facedata from $path\n";
3046		3473
3047	my $facedata;	3474	my $facedata = decode_storable load_file $path;
3048	0 < aio_load $path, $facedata
3049	or die "$path: $!";
3050
3051	$facedata = Coro::Storable::thaw $facedata;
3052		3475
3053	$facedata->{version} == 2	3476	$facedata->{version} == 2
3054	or cf::cleanup "$path: version mismatch, cannot proceed.";	3477	or cf::cleanup "$path: version mismatch, cannot proceed.";
3055		3478
3056	# patch in the exptable	3479	# patch in the exptable
		3480	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3057	$facedata->{resource}{"res/exp_table"} = {	3481	$facedata->{resource}{"res/exp_table"} = {
3058	type => FT_RSRC,	3482	type => FT_RSRC,
3059	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3483	data => $exp_table,
		3484	hash => (Digest::MD5::md5 $exp_table),
3060	};	3485	};
3061	cf::cede_to_tick;	3486	cf::cede_to_tick;
3062		3487
3063	{	3488	{
3064	my $faces = $facedata->{faceinfo};	3489	my $faces = $facedata->{faceinfo};
3065		3490
3066	while (my ($face, $info) = each %$faces) {	3491	while (my ($face, $info) = each %$faces) {
3067	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3492	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3493
3068	cf::face::set_visibility $idx, $info->{visibility};	3494	cf::face::set_visibility $idx, $info->{visibility};
3069	cf::face::set_magicmap $idx, $info->{magicmap};	3495	cf::face::set_magicmap $idx, $info->{magicmap};
3070	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3496	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3071	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3497	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3498	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
3072		3499
3073	cf::cede_to_tick;	3500	cf::cede_to_tick;
3074	}	3501	}
3075		3502
3076	while (my ($face, $info) = each %$faces) {	3503	while (my ($face, $info) = each %$faces) {
3077	next unless $info->{smooth};	3504	next unless $info->{smooth};
		3505
3078	my $idx = cf::face::find $face	3506	my $idx = cf::face::find $face
3079	or next;	3507	or next;
		3508
3080	if (my $smooth = cf::face::find $info->{smooth}) {	3509	if (my $smooth = cf::face::find $info->{smooth}) {
3081	cf::face::set_smooth $idx, $smooth;	3510	cf::face::set_smooth $idx, $smooth;
3082	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3511	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3083	} else {	3512	} else {
3084	warn "smooth face '$info->{smooth}' not found for face '$face'";	3513	error "smooth face '$info->{smooth}' not found for face '$face'";
3085	}	3514	}
3086		3515
3087	cf::cede_to_tick;	3516	cf::cede_to_tick;
3088	}	3517	}
3089	}	3518	}
…		…
3098		3527
3099	cf::anim::invalidate_all; # d'oh	3528	cf::anim::invalidate_all; # d'oh
3100	}	3529	}
3101		3530
3102	{	3531	{
3103	# TODO: for gcfclient pleasure, we should give resources
3104	# that gcfclient doesn't grok a >10000 face index.
3105	my $res = $facedata->{resource};	3532	my $res = $facedata->{resource};
3106		3533
3107	my $soundconf = delete $res->{"res/sound.conf"};
3108
3109	while (my ($name, $info) = each %$res) {	3534	while (my ($name, $info) = each %$res) {
		3535	if (defined $info->{type}) {
3110	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3536	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3111	my $data;
3112		3537
3113	if ($info->{type} & 1) {	3538	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3114	# prepend meta info	3539	cf::face::set_type $idx, $info->{type};
3115
3116	my $meta = $enc->encode ({
3117	name => $name,
3118	%{ $info->{meta} || {} },
3119	});
3120
3121	$data = pack "(w/a*)*", $meta, $info->{data};
3122	} else {	3540	} else {
3123	$data = $info->{data};	3541	$RESOURCE{$name} = $info; # unused
3124	}	3542	}
3125		3543
3126	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3127	cf::face::set_type $idx, $info->{type};
3128
3129	cf::cede_to_tick;	3544	cf::cede_to_tick;
3130	}	3545	}
3131
3132	if ($soundconf) {
3133	$soundconf = $enc->decode (delete $soundconf->{data});
3134
3135	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3136	my $sound = $soundconf->{compat}[$_]
3137	or next;
3138
3139	my $face = cf::face::find "sound/$sound->[1]";
3140	cf::sound::set $sound->[0] => $face;
3141	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3142	}
3143
3144	while (my ($k, $v) = each %{$soundconf->{event}}) {
3145	my $face = cf::face::find "sound/$v";
3146	cf::sound::set $k => $face;
3147	}
3148	}
3149	}	3546	}
		3547
		3548	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3150		3549
3151	1	3550	1
3152	}	3551	}
3153		3552
3154	register_exticmd fx_want => sub {	3553	register_exticmd fx_want => sub {
…		…
3156		3555
3157	while (my ($k, $v) = each %$want) {	3556	while (my ($k, $v) = each %$want) {
3158	$ns->fx_want ($k, $v);	3557	$ns->fx_want ($k, $v);
3159	}	3558	}
3160	};	3559	};
		3560
		3561	sub load_resource_file($) {
		3562	my $guard = lock_acquire "load_resource_file";
		3563
		3564	my $status = load_resource_file_ $_[0];
		3565	get_slot 0.1, 100;
		3566	cf::arch::commit_load;
		3567
		3568	$status
		3569	}
3161		3570
3162	sub reload_regions {	3571	sub reload_regions {
3163	# HACK to clear player env face cache, we need some signal framework	3572	# HACK to clear player env face cache, we need some signal framework
3164	# for this (global event?)	3573	# for this (global event?)
3165	%ext::player_env::MUSIC_FACE_CACHE = ();	3574	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3179	}	3588	}
3180		3589
3181	sub reload_archetypes {	3590	sub reload_archetypes {
3182	load_resource_file "$DATADIR/archetypes"	3591	load_resource_file "$DATADIR/archetypes"
3183	or die "unable to load archetypes\n";	3592	or die "unable to load archetypes\n";
3184	#d# NEED to laod twice to resolve forward references
3185	# this really needs to be done in an extra post-pass
3186	# (which needs to be synchronous, so solve it differently)
3187	load_resource_file "$DATADIR/archetypes"
3188	or die "unable to load archetypes\n";
3189	}	3593	}
3190		3594
3191	sub reload_treasures {	3595	sub reload_treasures {
3192	load_resource_file "$DATADIR/treasures"	3596	load_resource_file "$DATADIR/treasures"
3193	or die "unable to load treasurelists\n";	3597	or die "unable to load treasurelists\n";
3194	}	3598	}
3195		3599
		3600	sub reload_sound {
		3601	trace "loading sound config from $DATADIR/sound\n";
		3602
		3603	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3604
		3605	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3606	my $sound = $soundconf->{compat}[$_]
		3607	or next;
		3608
		3609	my $face = cf::face::find "sound/$sound->[1]";
		3610	cf::sound::set $sound->[0] => $face;
		3611	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3612	}
		3613
		3614	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3615	my $face = cf::face::find "sound/$v";
		3616	cf::sound::set $k => $face;
		3617	}
		3618	}
		3619
3196	sub reload_resources {	3620	sub reload_resources {
3197	warn "reloading resource files...\n";	3621	trace "reloading resource files...\n";
3198		3622
		3623	reload_exp_table;
		3624	reload_materials;
		3625	reload_facedata;
		3626	reload_sound;
		3627	reload_archetypes;
3199	reload_regions;	3628	reload_regions;
3200	reload_facedata;
3201	#reload_archetypes;#d#
3202	reload_archetypes;
3203	reload_treasures;	3629	reload_treasures;
3204		3630
3205	warn "finished reloading resource files\n";	3631	trace "finished reloading resource files\n";
3206	}
3207
3208	sub init {
3209	reload_resources;
3210	}	3632	}
3211		3633
3212	sub reload_config {	3634	sub reload_config {
3213	open my $fh, "<:utf8", "$CONFDIR/config"	3635	trace "reloading config file...\n";
3214	or return;
3215		3636
3216	local $/;	3637	my $config = load_file "$CONFDIR/config";
3217	*CFG = YAML::Syck::Load <$fh>;	3638	utf8::decode $config;
		3639	*CFG = decode_yaml $config;
3218		3640
3219	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3641	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3220		3642
3221	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3643	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3222	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3644	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3223		3645
3224	if (exists $CFG{mlockall}) {	3646	if (exists $CFG{mlockall}) {
…		…
3228	};	3650	};
3229	warn $@ if $@;	3651	warn $@ if $@;
3230	}	3652	}
3231	}	3653	}
3232		3654
		3655	sub pidfile() {
		3656	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3657	or die "$PIDFILE: $!";
		3658	flock $fh, &Fcntl::LOCK_EX
		3659	or die "$PIDFILE: flock: $!";
		3660	$fh
		3661	}
		3662
		3663	# make sure only one server instance is running at any one time
		3664	sub atomic {
		3665	my $fh = pidfile;
		3666
		3667	my $pid = <$fh>;
		3668	kill 9, $pid if $pid > 0;
		3669
		3670	seek $fh, 0, 0;
		3671	print $fh $$;
		3672	}
		3673
		3674	sub main_loop {
		3675	trace "EV::loop starting\n";
		3676	if (1) {
		3677	EV::loop;
		3678	}
		3679	trace "EV::loop returned\n";
		3680	goto &main_loop unless $REALLY_UNLOOP;
		3681	}
		3682
3233	sub main {	3683	sub main {
		3684	cf::init_globals; # initialise logging
		3685
		3686	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3687	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3688	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3689	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3690
		3691	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3692
3234	# we must not ever block the main coroutine	3693	# we must not ever block the main coroutine
3235	local $Coro::idle = sub {	3694	local $Coro::idle = sub {
3236	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3695	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3237	(async {	3696	(async {
3238	$Coro::current->{desc} = "IDLE BUG HANDLER";	3697	$Coro::current->{desc} = "IDLE BUG HANDLER";
3239	Event::one_event;	3698	EV::loop EV::LOOP_ONESHOT;
3240	})->prio (Coro::PRIO_MAX);	3699	})->prio (Coro::PRIO_MAX);
3241	};	3700	};
3242		3701
		3702	evthread_start IO::AIO::poll_fileno;
		3703
		3704	cf::sync_job {
		3705	cf::incloader::init ();
		3706
		3707	cf::init_anim;
		3708	cf::init_attackmess;
		3709	cf::init_dynamic;
		3710
		3711	cf::load_settings;
		3712
		3713	reload_resources;
3243	reload_config;	3714	reload_config;
3244	db_init;	3715	db_init;
		3716
		3717	cf::init_uuid;
		3718	cf::init_signals;
		3719	cf::init_skills;
		3720
		3721	cf::init_beforeplay;
		3722
		3723	atomic;
		3724
3245	load_extensions;	3725	load_extensions;
3246		3726
3247	$TICK_WATCHER->start;	3727	utime time, time, $RUNTIMEFILE;
3248	Event::loop;	3728
		3729	# no (long-running) fork's whatsoever before this point(!)
		3730	use POSIX ();
		3731	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3732
		3733	cf::_post_init 0;
		3734	};
		3735
		3736	cf::object::thawer::errors_are_fatal 0;
		3737	info "parse errors in files are no longer fatal from this point on.\n";
		3738
		3739	my $free_main; $free_main = EV::idle sub {
		3740	undef $free_main;
		3741	undef &main; # free gobs of memory :)
		3742	};
		3743
		3744	goto &main_loop;
3249	}	3745	}
3250		3746
3251	#############################################################################	3747	#############################################################################
3252	# initialisation and cleanup	3748	# initialisation and cleanup
3253		3749
3254	# install some emergency cleanup handlers	3750	# install some emergency cleanup handlers
3255	BEGIN {	3751	BEGIN {
		3752	our %SIGWATCHER = ();
3256	for my $signal (qw(INT HUP TERM)) {	3753	for my $signal (qw(INT HUP TERM)) {
3257	Event->signal (	3754	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3258	reentrant => 0,
3259	data => WF_AUTOCANCEL,
3260	signal => $signal,
3261	prio => 0,
3262	cb => sub {
3263	cf::cleanup "SIG$signal";	3755	cf::cleanup "SIG$signal";
3264	},
3265	);	3756	};
3266	}	3757	}
3267	}	3758	}
3268		3759
3269	sub write_runtime {	3760	sub write_runtime_sync {
3270	my $runtime = "$LOCALDIR/runtime";	3761	my $t0 = AE::time;
3271		3762
3272	# first touch the runtime file to show we are still running:	3763	# first touch the runtime file to show we are still running:
3273	# the fsync below can take a very very long time.	3764	# the fsync below can take a very very long time.
3274		3765
3275	IO::AIO::aio_utime $runtime, undef, undef;	3766	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3276		3767
3277	my $guard = cf::lock_acquire "write_runtime";	3768	my $guard = cf::lock_acquire "write_runtime";
3278		3769
3279	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3770	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3280	or return;	3771	or return;
3281		3772
3282	my $value = $cf::RUNTIME + 90 + 10;	3773	my $value = $cf::RUNTIME + 90 + 10;
3283	# 10 is the runtime save interval, for a monotonic clock	3774	# 10 is the runtime save interval, for a monotonic clock
3284	# 60 allows for the watchdog to kill the server.	3775	# 60 allows for the watchdog to kill the server.
…		…
3294	aio_utime $fh, undef, undef;	3785	aio_utime $fh, undef, undef;
3295		3786
3296	close $fh	3787	close $fh
3297	or return;	3788	or return;
3298		3789
3299	aio_rename "$runtime~", $runtime	3790	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3300	and return;	3791	and return;
3301		3792
3302	warn "runtime file written.\n";	3793	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3303		3794
3304	1	3795	1
		3796	}
		3797
		3798	our $uuid_lock;
		3799	our $uuid_skip;
		3800
		3801	sub write_uuid_sync($) {
		3802	$uuid_skip ||= $_[0];
		3803
		3804	return if $uuid_lock;
		3805	local $uuid_lock = 1;
		3806
		3807	my $uuid = "$LOCALDIR/uuid";
		3808
		3809	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3810	or return;
		3811
		3812	my $value = uuid_seq uuid_cur;
		3813
		3814	unless ($value) {
		3815	info "cowardly refusing to write zero uuid value!\n";
		3816	return;
		3817	}
		3818
		3819	my $value = uuid_str $value + $uuid_skip;
		3820	$uuid_skip = 0;
		3821
		3822	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3823	and return;
		3824
		3825	# always fsync - this file is important
		3826	aio_fsync $fh
		3827	and return;
		3828
		3829	close $fh
		3830	or return;
		3831
		3832	aio_rename "$uuid~", $uuid
		3833	and return;
		3834
		3835	trace "uuid file written ($value).\n";
		3836
		3837	1
		3838
		3839	}
		3840
		3841	sub write_uuid($$) {
		3842	my ($skip, $sync) = @_;
		3843
		3844	$sync ? write_uuid_sync $skip
		3845	: async { write_uuid_sync $skip };
3305	}	3846	}
3306		3847
3307	sub emergency_save() {	3848	sub emergency_save() {
3308	my $freeze_guard = cf::freeze_mainloop;	3849	my $freeze_guard = cf::freeze_mainloop;
3309		3850
3310	warn "enter emergency perl save\n";	3851	info "emergency_perl_save: enter\n";
		3852
		3853	# this is a trade-off: we want to be very quick here, so
		3854	# save all maps without fsync, and later call a global sync
		3855	# (which in turn might be very very slow)
		3856	local $USE_FSYNC = 0;
3311		3857
3312	cf::sync_job {	3858	cf::sync_job {
		3859	cf::write_runtime_sync; # external watchdog should not bark
		3860
3313	# use a peculiar iteration method to avoid tripping on perl	3861	# use a peculiar iteration method to avoid tripping on perl
3314	# refcount bugs in for. also avoids problems with players	3862	# refcount bugs in for. also avoids problems with players
3315	# and maps saved/destroyed asynchronously.	3863	# and maps saved/destroyed asynchronously.
3316	warn "begin emergency player save\n";	3864	info "emergency_perl_save: begin player save\n";
3317	for my $login (keys %cf::PLAYER) {	3865	for my $login (keys %cf::PLAYER) {
3318	my $pl = $cf::PLAYER{$login} or next;	3866	my $pl = $cf::PLAYER{$login} or next;
3319	$pl->valid or next;	3867	$pl->valid or next;
3320	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3868	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3321	$pl->save;	3869	$pl->save;
3322	}	3870	}
3323	warn "end emergency player save\n";	3871	info "emergency_perl_save: end player save\n";
3324		3872
3325	warn "begin emergency map save\n";	3873	cf::write_runtime_sync; # external watchdog should not bark
		3874
		3875	info "emergency_perl_save: begin map save\n";
3326	for my $path (keys %cf::MAP) {	3876	for my $path (keys %cf::MAP) {
3327	my $map = $cf::MAP{$path} or next;	3877	my $map = $cf::MAP{$path} or next;
3328	$map->valid or next;	3878	$map->valid or next;
3329	$map->save;	3879	$map->save;
3330	}	3880	}
3331	warn "end emergency map save\n";	3881	info "emergency_perl_save: end map save\n";
3332		3882
3333	warn "begin emergency database checkpoint\n";	3883	cf::write_runtime_sync; # external watchdog should not bark
		3884
		3885	info "emergency_perl_save: begin database checkpoint\n";
3334	BDB::db_env_txn_checkpoint $DB_ENV;	3886	BDB::db_env_txn_checkpoint $DB_ENV;
3335	warn "end emergency database checkpoint\n";	3887	info "emergency_perl_save: end database checkpoint\n";
		3888
		3889	info "emergency_perl_save: begin write uuid\n";
		3890	write_uuid_sync 1;
		3891	info "emergency_perl_save: end write uuid\n";
		3892
		3893	cf::write_runtime_sync; # external watchdog should not bark
		3894
		3895	trace "emergency_perl_save: syncing database to disk";
		3896	BDB::db_env_txn_checkpoint $DB_ENV;
		3897
		3898	info "emergency_perl_save: starting sync\n";
		3899	IO::AIO::aio_sync sub {
		3900	info "emergency_perl_save: finished sync\n";
		3901	};
		3902
		3903	cf::write_runtime_sync; # external watchdog should not bark
		3904
		3905	trace "emergency_perl_save: flushing outstanding aio requests";
		3906	while (IO::AIO::nreqs || BDB::nreqs) {
		3907	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3908	}
		3909
		3910	cf::write_runtime_sync; # external watchdog should not bark
3336	};	3911	};
3337		3912
3338	warn "leave emergency perl save\n";	3913	info "emergency_perl_save: leave\n";
3339	}	3914	}
3340		3915
3341	sub post_cleanup {	3916	sub post_cleanup {
3342	my ($make_core) = @_;	3917	my ($make_core) = @_;
3343		3918
		3919	IO::AIO::flush;
		3920
3344	warn Carp::longmess "post_cleanup backtrace"	3921	error Carp::longmess "post_cleanup backtrace"
3345	if $make_core;	3922	if $make_core;
		3923
		3924	my $fh = pidfile;
		3925	unlink $PIDFILE if <$fh> == $$;
		3926	}
		3927
		3928	# a safer delete_package, copied from Symbol
		3929	sub clear_package($) {
		3930	my $pkg = shift;
		3931
		3932	# expand to full symbol table name if needed
		3933	unless ($pkg =~ /^main::.*::$/) {
		3934	$pkg = "main$pkg" if $pkg =~ /^::/;
		3935	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3936	$pkg .= '::' unless $pkg =~ /::$/;
		3937	}
		3938
		3939	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3940	my $stem_symtab = *{$stem}{HASH};
		3941
		3942	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3943	or return;
		3944
		3945	# clear all symbols
		3946	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3947	for my $name (keys %$leaf_symtab) {
		3948	_gv_clear *{"$pkg$name"};
		3949	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3950	}
3346	}	3951	}
3347		3952
3348	sub do_reload_perl() {	3953	sub do_reload_perl() {
3349	# can/must only be called in main	3954	# can/must only be called in main
3350	if ($Coro::current != $Coro::main) {	3955	unless (in_main) {
3351	warn "can only reload from main coroutine";	3956	error "can only reload from main coroutine";
3352	return;	3957	return;
3353	}	3958	}
3354		3959
3355	warn "reloading...";	3960	return if $RELOAD++;
3356		3961
3357	warn "entering sync_job";	3962	my $t1 = AE::time;
3358		3963
		3964	while ($RELOAD) {
		3965	cf::get_slot 0.1, -1, "reload_perl";
		3966	info "perl_reload: reloading...";
		3967
		3968	trace "perl_reload: entering sync_job";
		3969
3359	cf::sync_job {	3970	cf::sync_job {
3360	cf::write_runtime; # external watchdog should not bark
3361	cf::emergency_save;	3971	#cf::emergency_save;
3362	cf::write_runtime; # external watchdog should not bark
3363		3972
3364	warn "syncing database to disk";
3365	BDB::db_env_txn_checkpoint $DB_ENV;
3366
3367	# if anything goes wrong in here, we should simply crash as we already saved
3368
3369	warn "cancelling all WF_AUTOCANCEL watchers";
3370	for (Event::all_watchers) {
3371	$_->cancel if $_->data & WF_AUTOCANCEL;
3372	}
3373
3374	warn "flushing outstanding aio requests";
3375	for (;;) {
3376	BDB::flush;
3377	IO::AIO::flush;
3378	Coro::cede_notself;
3379	last unless IO::AIO::nreqs || BDB::nreqs;
3380	warn "iterate...";
3381	}
3382
3383	++$RELOAD;
3384
3385	warn "cancelling all extension coros";	3973	trace "perl_reload: cancelling all extension coros";
3386	$_->cancel for values %EXT_CORO;	3974	$_->cancel for values %EXT_CORO;
3387	%EXT_CORO = ();	3975	%EXT_CORO = ();
3388		3976
3389	warn "removing commands";	3977	trace "perl_reload: removing commands";
3390	%COMMAND = ();	3978	%COMMAND = ();
3391		3979
3392	warn "removing ext/exti commands";	3980	trace "perl_reload: removing ext/exti commands";
3393	%EXTCMD = ();	3981	%EXTCMD = ();
3394	%EXTICMD = ();	3982	%EXTICMD = ();
3395		3983
3396	warn "unloading/nuking all extensions";	3984	trace "perl_reload: unloading/nuking all extensions";
3397	for my $pkg (@EXTS) {	3985	for my $pkg (@EXTS) {
3398	warn "... unloading $pkg";	3986	trace "... unloading $pkg";
3399		3987
3400	if (my $cb = $pkg->can ("unload")) {	3988	if (my $cb = $pkg->can ("unload")) {
3401	eval {	3989	eval {
3402	$cb->($pkg);	3990	$cb->($pkg);
3403	1	3991	1
3404	} or warn "$pkg unloaded, but with errors: $@";	3992	} or error "$pkg unloaded, but with errors: $@";
		3993	}
		3994
		3995	trace "... clearing $pkg";
		3996	clear_package $pkg;
3405	}	3997	}
3406		3998
3407	warn "... nuking $pkg";
3408	Symbol::delete_package $pkg;
3409	}
3410
3411	warn "unloading all perl modules loaded from $LIBDIR";	3999	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3412	while (my ($k, $v) = each %INC) {	4000	while (my ($k, $v) = each %INC) {
3413	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4001	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3414		4002
3415	warn "... unloading $k";	4003	trace "... unloading $k";
3416	delete $INC{$k};	4004	delete $INC{$k};
3417		4005
3418	$k =~ s/\.pm$//;	4006	$k =~ s/\.pm$//;
3419	$k =~ s/\//::/g;	4007	$k =~ s/\//::/g;
3420		4008
3421	if (my $cb = $k->can ("unload_module")) {	4009	if (my $cb = $k->can ("unload_module")) {
3422	$cb->();	4010	$cb->();
		4011	}
		4012
		4013	clear_package $k;
3423	}	4014	}
3424		4015
3425	Symbol::delete_package $k;
3426	}
3427
3428	warn "getting rid of safe::, as good as possible";	4016	trace "perl_reload: getting rid of safe::, as good as possible";
3429	Symbol::delete_package "safe::$_"	4017	clear_package "safe::$_"
3430	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4018	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3431		4019
3432	warn "unloading cf.pm \"a bit\"";	4020	trace "perl_reload: unloading cf.pm \"a bit\"";
3433	delete $INC{"cf.pm"};	4021	delete $INC{"cf.pm"};
3434	delete $INC{"cf/pod.pm"};	4022	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3435		4023
3436	# don't, removes xs symbols, too,	4024	# don't, removes xs symbols, too,
3437	# and global variables created in xs	4025	# and global variables created in xs
3438	#Symbol::delete_package __PACKAGE__;	4026	#clear_package __PACKAGE__;
3439		4027
3440	warn "unload completed, starting to reload now";	4028	info "perl_reload: unload completed, starting to reload now";
3441		4029
3442	warn "reloading cf.pm";	4030	trace "perl_reload: reloading cf.pm";
3443	require cf;	4031	require cf;
3444	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4032	cf::_connect_to_perl_1;
3445		4033
3446	warn "loading config and database again";	4034	trace "perl_reload: loading config and database again";
3447	cf::reload_config;	4035	cf::reload_config;
3448		4036
3449	warn "loading extensions";	4037	trace "perl_reload: loading extensions";
3450	cf::load_extensions;	4038	cf::load_extensions;
3451		4039
		4040	if ($REATTACH_ON_RELOAD) {
3452	warn "reattaching attachments to objects/players";	4041	trace "perl_reload: reattaching attachments to objects/players";
3453	_global_reattach; # objects, sockets	4042	_global_reattach; # objects, sockets
3454	warn "reattaching attachments to maps";	4043	trace "perl_reload: reattaching attachments to maps";
3455	reattach $_ for values %MAP;	4044	reattach $_ for values %MAP;
3456	warn "reattaching attachments to players";	4045	trace "perl_reload: reattaching attachments to players";
3457	reattach $_ for values %PLAYER;	4046	reattach $_ for values %PLAYER;
		4047	}
3458		4048
3459	warn "leaving sync_job";	4049	cf::_post_init 1;
3460		4050
		4051	trace "perl_reload: leaving sync_job";
		4052
3461	1	4053	1
3462	} or do {	4054	} or do {
3463	warn $@;	4055	error $@;
3464	warn "error while reloading, exiting.";	4056	cf::cleanup "perl_reload: error, exiting.";
3465	exit 1;	4057	};
		4058
		4059	--$RELOAD;
3466	};	4060	}
3467		4061
3468	warn "reloaded";	4062	$t1 = AE::time - $t1;
		4063	info "perl_reload: completed in ${t1}s\n";
3469	};	4064	};
3470		4065
3471	our $RELOAD_WATCHER; # used only during reload	4066	our $RELOAD_WATCHER; # used only during reload
3472		4067
3473	sub reload_perl() {	4068	sub reload_perl() {
3474	# doing reload synchronously and two reloads happen back-to-back,	4069	# doing reload synchronously and two reloads happen back-to-back,
3475	# coro crashes during coro_state_free->destroy here.	4070	# coro crashes during coro_state_free->destroy here.
3476		4071
3477	$RELOAD_WATCHER ||= Event->timer (	4072	$RELOAD_WATCHER ||= cf::async {
3478	reentrant => 0,	4073	Coro::AIO::aio_wait cache_extensions;
3479	after => 0,	4074
3480	data => WF_AUTOCANCEL,	4075	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3481	cb => sub {
3482	do_reload_perl;	4076	do_reload_perl;
3483	undef $RELOAD_WATCHER;	4077	undef $RELOAD_WATCHER;
3484	},	4078	};
3485	);	4079	};
3486	}	4080	}
3487		4081
3488	register_command "reload" => sub {	4082	register_command "reload" => sub {
3489	my ($who, $arg) = @_;	4083	my ($who, $arg) = @_;
3490		4084
…		…
3495	reload_perl;	4089	reload_perl;
3496	};	4090	};
3497	}	4091	}
3498	};	4092	};
3499		4093
3500	unshift @INC, $LIBDIR;	4094	#############################################################################
3501		4095
3502	my $bug_warning = 0;	4096	my $bug_warning = 0;
3503		4097
3504	our @WAIT_FOR_TICK;	4098	our @WAIT_FOR_TICK;
3505	our @WAIT_FOR_TICK_BEGIN;	4099	our @WAIT_FOR_TICK_BEGIN;
3506		4100
3507	sub wait_for_tick {	4101	sub wait_for_tick() {
3508	return unless $TICK_WATCHER->is_active;
3509	return if $Coro::current == $Coro::main;	4102	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3510		4103
3511	my $signal = new Coro::Signal;	4104	my $signal = new Coro::Signal;
3512	push @WAIT_FOR_TICK, $signal;	4105	push @WAIT_FOR_TICK, $signal;
3513	$signal->wait;	4106	$signal->wait;
3514	}	4107	}
3515		4108
3516	sub wait_for_tick_begin {	4109	sub wait_for_tick_begin() {
3517	return unless $TICK_WATCHER->is_active;
3518	return if $Coro::current == $Coro::main;	4110	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3519		4111
3520	my $signal = new Coro::Signal;	4112	my $signal = new Coro::Signal;
3521	push @WAIT_FOR_TICK_BEGIN, $signal;	4113	push @WAIT_FOR_TICK_BEGIN, $signal;
3522	$signal->wait;	4114	$signal->wait;
3523	}	4115	}
3524		4116
3525	$TICK_WATCHER = Event->timer (	4117	sub tick {
3526	reentrant => 0,
3527	parked => 1,
3528	prio => 0,
3529	at => $NEXT_TICK || $TICK,
3530	data => WF_AUTOCANCEL,
3531	cb => sub {
3532	if ($Coro::current != $Coro::main) {	4118	if ($Coro::current != $Coro::main) {
3533	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4119	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3534	unless ++$bug_warning > 10;	4120	unless ++$bug_warning > 10;
3535	return;	4121	return;
3536	}	4122	}
3537		4123
3538	$NOW = $tick_start = Event::time;
3539
3540	cf::server_tick; # one server iteration	4124	cf::server_tick; # one server iteration
3541		4125
3542	$RUNTIME += $TICK;	4126	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3543	$NEXT_TICK += $TICK;
3544		4127
3545	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4128	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3546	$NEXT_RUNTIME_WRITE = $NOW + 10;	4129	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3547	Coro::async_pool {	4130	Coro::async_pool {
3548	$Coro::current->{desc} = "runtime saver";	4131	$Coro::current->{desc} = "runtime saver";
3549	write_runtime	4132	write_runtime_sync
3550	or warn "ERROR: unable to write runtime file: $!";	4133	or error "ERROR: unable to write runtime file: $!";
3551	};
3552	}	4134	};
		4135	}
3553		4136
3554	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4137	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3555	$sig->send;	4138	$sig->send;
3556	}	4139	}
3557	while (my $sig = shift @WAIT_FOR_TICK) {	4140	while (my $sig = shift @WAIT_FOR_TICK) {
3558	$sig->send;	4141	$sig->send;
3559	}	4142	}
3560		4143
3561	$NOW = Event::time;	4144	$LOAD = ($NOW - $TICK_START) / $TICK;
3562
3563	# if we are delayed by four ticks or more, skip them all
3564	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3565
3566	$TICK_WATCHER->at ($NEXT_TICK);
3567	$TICK_WATCHER->start;
3568
3569	$LOAD = ($NOW - $tick_start) / $TICK;
3570	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4145	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3571		4146
3572	_post_tick;	4147	if (0) {
		4148	if ($NEXT_TICK) {
		4149	my $jitter = $TICK_START - $NEXT_TICK;
		4150	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4151	debug "jitter $JITTER\n";#d#
		4152	}
3573	},	4153	}
3574	);	4154	}
3575		4155
3576	{	4156	{
		4157	# configure BDB
		4158
3577	BDB::min_parallel 8;	4159	BDB::min_parallel 16;
3578	BDB::max_poll_time $TICK * 0.1;	4160	BDB::max_poll_reqs $TICK * 0.1;
3579	$BDB_POLL_WATCHER = Event->io (	4161	$AnyEvent::BDB::WATCHER->priority (1);
3580	reentrant => 0,
3581	fd => BDB::poll_fileno,
3582	poll => 'r',
3583	prio => 0,
3584	data => WF_AUTOCANCEL,
3585	cb => \&BDB::poll_cb,
3586	);
3587
3588	BDB::set_sync_prepare {
3589	my $status;
3590	my $current = $Coro::current;
3591	(
3592	sub {
3593	$status = $!;
3594	$current->ready; undef $current;
3595	},
3596	sub {
3597	Coro::schedule while defined $current;
3598	$! = $status;
3599	},
3600	)
3601	};
3602		4162
3603	unless ($DB_ENV) {	4163	unless ($DB_ENV) {
3604	$DB_ENV = BDB::db_env_create;	4164	$DB_ENV = BDB::db_env_create;
3605	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4165	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3606	| BDB::LOG_AUTOREMOVE, 1);	4166	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4167	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3607	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4168	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3608	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4169	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3609		4170
3610	cf::sync_job {	4171	cf::sync_job {
3611	eval {	4172	eval {
…		…
3621		4182
3622	cf::cleanup "db_env_open(db): $@" if $@;	4183	cf::cleanup "db_env_open(db): $@" if $@;
3623	};	4184	};
3624	}	4185	}
3625		4186
3626	$BDB_DEADLOCK_WATCHER = Event->timer (	4187	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3627	after => 3,
3628	interval => 1,
3629	hard => 1,
3630	prio => 0,
3631	data => WF_AUTOCANCEL,
3632	cb => sub {
3633	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };	4188	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3634	},
3635	);	4189	};
3636	$BDB_CHECKPOINT_WATCHER = Event->timer (	4190	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3637	after => 11,
3638	interval => 60,
3639	hard => 1,
3640	prio => 0,
3641	data => WF_AUTOCANCEL,
3642	cb => sub {
3643	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4191	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3644	},
3645	);	4192	};
3646	$BDB_TRICKLE_WATCHER = Event->timer (	4193	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3647	after => 5,
3648	interval => 10,
3649	hard => 1,
3650	prio => 0,
3651	data => WF_AUTOCANCEL,
3652	cb => sub {
3653	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4194	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3654	},
3655	);	4195	};
3656	}	4196	}
3657		4197
3658	{	4198	{
		4199	# configure IO::AIO
		4200
3659	IO::AIO::min_parallel 8;	4201	IO::AIO::min_parallel 8;
3660
3661	undef $Coro::AIO::WATCHER;
3662	IO::AIO::max_poll_time $TICK * 0.1;	4202	IO::AIO::max_poll_time $TICK * 0.1;
3663	$AIO_POLL_WATCHER = Event->io (	4203	undef $AnyEvent::AIO::WATCHER;
3664	reentrant => 0,
3665	data => WF_AUTOCANCEL,
3666	fd => IO::AIO::poll_fileno,
3667	poll => 'r',
3668	prio => 0,
3669	cb => \&IO::AIO::poll_cb,
3670	);
3671	}	4204	}
3672		4205
3673	my $_log_backtrace;	4206	our $_log_backtrace;
		4207	our $_log_backtrace_last;
3674		4208
3675	sub _log_backtrace {	4209	sub _log_backtrace {
3676	my ($msg, @addr) = @_;	4210	my ($msg, @addr) = @_;
3677		4211
3678	$msg =~ s/\n//;	4212	$msg =~ s/\n$//;
3679		4213
		4214	if ($_log_backtrace_last eq $msg) {
		4215	LOG llevInfo, "[ABT] $msg\n";
		4216	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3680	# limit the # of concurrent backtraces	4217	# limit the # of concurrent backtraces
3681	if ($_log_backtrace < 2) {	4218	} elsif ($_log_backtrace < 2) {
		4219	$_log_backtrace_last = $msg;
3682	++$_log_backtrace;	4220	++$_log_backtrace;
		4221	my $perl_bt = Carp::longmess $msg;
3683	async {	4222	async {
3684	$Coro::current->{desc} = "abt $msg";	4223	$Coro::current->{desc} = "abt $msg";
3685		4224
3686	my @bt = fork_call {	4225	my @bt = fork_call {
3687	@addr = map { sprintf "%x", $_ } @addr;	4226	@addr = map { sprintf "%x", $_ } @addr;
…		…
3698	}	4237	}
3699		4238
3700	@funcs	4239	@funcs
3701	};	4240	};
3702		4241
3703	LOG llevInfo, "[ABT] $msg\n";	4242	LOG llevInfo, "[ABT] $perl_bt\n";
		4243	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3704	LOG llevInfo, "[ABT] $_\n" for @bt;	4244	LOG llevInfo, "[ABT] $_\n" for @bt;
3705	--$_log_backtrace;	4245	--$_log_backtrace;
3706	};	4246	};
3707	} else {	4247	} else {
3708	LOG llevInfo, "[ABT] $msg\n";	4248	LOG llevInfo, "[ABT] $msg\n";
3709	LOG llevInfo, "[ABT] [suppressed]\n";	4249	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3710	}	4250	}
3711	}	4251	}
3712		4252
3713	# load additional modules	4253	# load additional modules
3714	use cf::pod;	4254	require "cf/$_.pm" for @EXTRA_MODULES;
		4255	cf::_connect_to_perl_2;
3715		4256
3716	END { cf::emergency_save }	4257	END { cf::emergency_save }
3717		4258
3718	1	4259	1
3719		4260

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