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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.352 by root, Sun Sep 2 04:57:14 2007 UTC vs.
Revision 1.563 by root, Sat Apr 23 04:56:51 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 Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.64 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
24	use Coro::Util ();	51	use Coro::Util ();
25		52
26	use JSON::XS ();	53	use JSON::XS 2.01 ();
27	use BDB ();	54	use BDB ();
28	use Data::Dumper;	55	use Data::Dumper;
29	use Digest::MD5;
30	use Fcntl;	56	use Fcntl;
31	use YAML::Syck ();	57	use YAML::XS ();
32	use IO::AIO 2.32 ();	58	use IO::AIO ();
33	use Time::HiRes;	59	use Time::HiRes;
34	use Compress::LZF;	60	use Compress::LZF;
35	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
36		64
37	# configure various modules to our taste	65	# configure various modules to our taste
38	#	66	#
39	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42		75
43	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
44		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		78
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
51		82
52	our %COMMAND = ();	83	our %COMMAND = ();
53	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
54		85
55	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
56	our %EXTCMD = ();	87	our %EXTCMD = ();
57	our %EXTICMD = ();	88	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
60		91
61	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
63		96
64	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
65	our $DATADIR = datadir;	99	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
69	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
75		120
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	123	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
83		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
84	our $BDB_POLL_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
85	our $DB_ENV;	129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
86		132
87	our %CFG;	133	our %CFG;
88		134
89	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
90	our $RUNTIME;	136	our $RUNTIME;
		137	our $NOW;
91		138
92	our %PLAYER; # all users	139	our (%PLAYER, %PLAYER_LOADING); # all users
93	our %MAP; # all maps	140	our (%MAP, %MAP_LOADING ); # all maps
94	our $LINK_MAP; # the special {link} map, which is always available	141	our $LINK_MAP; # the special {link} map, which is always available
95		142
96	# 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 ∕
97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	144	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98		145
99	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)
100	our $LOADAVG; # same thing, but with alpha-smoothing	147	our $LOADAVG; # same thing, but with alpha-smoothing
		148	our $JITTER; # average jitter
101	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 $REALLY_UNLOOP; # never set to true, please :)
102		155
103	binmode STDOUT;	156	binmode STDOUT;
104	binmode STDERR;	157	binmode STDERR;
105		158
106	# read virtual server time, if available	159	# read virtual server time, if available
107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	160	unless ($RUNTIME || !-e $RUNTIMEFILE) {
108	open my $fh, "<", "$LOCALDIR/runtime"	161	open my $fh, "<", $RUNTIMEFILE
109	or die "unable to read runtime file: $!";	162	or die "unable to read $RUNTIMEFILE file: $!";
110	$RUNTIME = <$fh> + 0.;	163	$RUNTIME = <$fh> + 0.;
111	}	164	}
		165
		166	eval "sub TICK() { $TICK } 1" or die;
112		167
113	mkdir $_	168	mkdir $_
114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	169	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
115		170
116	our $EMERGENCY_POSITION;	171	our $EMERGENCY_POSITION;
117		172
118	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::"} };
119		189
120	#############################################################################	190	#############################################################################
121		191
122	=head2 GLOBAL VARIABLES	192	=head2 GLOBAL VARIABLES
123		193
…		…
159		229
160	The raw value load value from the last tick.	230	The raw value load value from the last tick.
161		231
162	=item %cf::CFG	232	=item %cf::CFG
163		233
164	Configuration for the server, loaded from C</etc/crossfire/config>, or	234	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
165	from wherever your confdir points to.	235	from wherever your confdir points to.
166		236
167	=item cf::wait_for_tick, cf::wait_for_tick_begin	237	=item cf::wait_for_tick, cf::wait_for_tick_begin
168		238
169	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
170	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
171	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.
172		242
		243	=cut
		244
		245	sub wait_for_tick();
		246	sub wait_for_tick_begin();
		247
173	=item @cf::INVOKE_RESULTS	248	=item @cf::INVOKE_RESULTS
174		249
175	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
176	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
177	that call.	252	that call.
178		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
179	=back	260	=back
180		261
181	=cut	262	=cut
182		263
183	BEGIN {	264	sub error(@) { LOG llevError, join "", @_ }
184	*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 {
185	my $msg = join "", @_;	271	my $msg = join "", @_;
186		272
187	$msg .= "\n"	273	$msg .= "\n"
188	unless $msg =~ /\n$/;	274	unless $msg =~ /\n$/;
189		275
190	$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;
191		277
192	utf8::encode $msg;
193	LOG llevError, $msg;	278	LOG llevWarn, $msg;
194	};	279	};
195	}	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	};
196		294
197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	295	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	296	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	297	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	298	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
207	for my $pkg (qw(	305	for my $pkg (qw(
208	cf::global cf::attachable	306	cf::global cf::attachable
209	cf::object cf::object::player	307	cf::object cf::object::player
210	cf::client cf::player	308	cf::client cf::player
211	cf::arch cf::living	309	cf::arch cf::living
		310	cf::map cf::mapspace
212	cf::map cf::party cf::region	311	cf::party cf::region
213	)) {	312	)) {
214	no strict 'refs';
215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	313	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
216	}	314	}
217		315
218	$Event::DIED = sub {	316	$EV::DIED = sub {
219	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
220	};	318	};
		319
		320	#############################################################################
		321
		322	sub fork_call(&@);
		323	sub get_slot($;$$);
221		324
222	#############################################################################	325	#############################################################################
223		326
224	=head2 UTILITY FUNCTIONS	327	=head2 UTILITY FUNCTIONS
225		328
…		…
246	$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;
247	$d	350	$d
248	} || "[unable to dump $_[0]: '$@']";	351	} || "[unable to dump $_[0]: '$@']";
249	}	352	}
250		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
251	=item $ref = cf::from_json $json	368	=item $ref = cf::decode_json $json
252		369
253	Converts a JSON string into the corresponding perl data structure.	370	Converts a JSON string into the corresponding perl data structure.
254		371
255	=item $json = cf::to_json $ref	372	=item $json = cf::encode_json $ref
256		373
257	Converts a perl data structure into its JSON representation.	374	Converts a perl data structure into its JSON representation.
258		375
259	=cut	376	=cut
260		377
261	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
262		379
263	sub to_json ($) { $json_coder->encode ($_[0]) }	380	sub encode_json($) { $json_coder->encode ($_[0]) }
264	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	}
265		444
266	=item cf::lock_wait $string	445	=item cf::lock_wait $string
267		446
268	Wait until the given lock is available. See cf::lock_acquire.	447	Wait until the given lock is available. See cf::lock_acquire.
269		448
270	=item my $lock = cf::lock_acquire $string	449	=item my $lock = cf::lock_acquire $string
271		450
272	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
273	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,
274	for example when the coroutine gets canceled), the lock is automatically	453	for example when the coroutine gets canceled), the lock is automatically
275	returned.	454	returned.
276		455
277	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
278	deadlocked coro.	457	deadlocked coro.
…		…
284		463
285	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.
286		465
287	=cut	466	=cut
288		467
289	our %LOCK;	468	our $LOCKS = new Coro::SemaphoreSet;
290		469
291	sub lock_wait($) {	470	sub lock_wait($) {
292	my ($key) = @_;	471	$LOCKS->wait ($_[0]);
293
294	# wait for lock, if any
295	while ($LOCK{$key}) {
296	push @{ $LOCK{$key} }, $Coro::current;
297	Coro::schedule;
298	}
299	}	472	}
300		473
301	sub lock_acquire($) {	474	sub lock_acquire($) {
302	my ($key) = @_;	475	$LOCKS->guard ($_[0])
303
304	# wait, to be sure we are not locked
305	lock_wait $key;
306
307	$LOCK{$key} = [];
308
309	Coro::guard {
310	# wake up all waiters, to be on the safe side
311	$_->ready for @{ delete $LOCK{$key} };
312	}
313	}	476	}
314		477
315	sub lock_active($) {	478	sub lock_active($) {
316	my ($key) = @_;	479	$LOCKS->count ($_[0]) < 1
317
318	! ! $LOCK{$key}
319	}	480	}
320		481
321	sub freeze_mainloop {	482	sub freeze_mainloop {
322	return unless $TICK_WATCHER->is_active;	483	tick_inhibit_inc;
323		484
324	my $guard = Coro::guard {	485	&Guard::guard (\&tick_inhibit_dec);
325	$TICK_WATCHER->start;	486	}
326	};	487
327	$TICK_WATCHER->stop;	488	=item cf::periodic $interval, $cb
328	$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
329	}	501	}
330		502
331	=item cf::get_slot $time[, $priority[, $name]]	503	=item cf::get_slot $time[, $priority[, $name]]
332		504
333	Allocate $time seconds of blocking CPU time at priority C<$priority>:	505	Allocate $time seconds of blocking CPU time at priority C<$priority>
334	This call blocks and returns only when you have at least C<$time> seconds	506	(default: 0): This call blocks and returns only when you have at least
335	of cpu time till the next tick. The slot is only valid till the next cede.	507	C<$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.
336		512
337	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
338	used for statistical purposes and should identify the same time-class.	514	used for statistical purposes and should identify the same time-class.
339		515
340	Useful for short background jobs.	516	Useful for short background jobs.
341		517
342	=cut	518	=cut
343		519
344	our @SLOT_QUEUE;	520	our @SLOT_QUEUE;
345	our $SLOT_QUEUE;	521	our $SLOT_QUEUE;
		522	our $SLOT_DECAY = 0.9;
346		523
347	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	524	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
348	$SLOT_QUEUE = Coro::async {	525	$SLOT_QUEUE = Coro::async {
		526	$Coro::current->desc ("timeslot manager");
		527
349	my $signal = new Coro::Signal;	528	my $signal = new Coro::Signal;
		529	my $busy;
350		530
351	while () {	531	while () {
352	next_job:	532	next_job:
		533
353	my $avail = cf::till_tick;	534	my $avail = cf::till_tick;
354	if ($avail > 0.01) {	535
355	for (0 .. $#SLOT_QUEUE) {	536	for (0 .. $#SLOT_QUEUE) {
356	if ($SLOT_QUEUE[$_][0] < $avail) {	537	if ($SLOT_QUEUE[$_][0] <= $avail) {
		538	$busy = 0;
357	my $job = splice @SLOT_QUEUE, $_, 1, ();	539	my $job = splice @SLOT_QUEUE, $_, 1, ();
358	$job->[2]->send;	540	$job->[2]->send;
359	Coro::cede;	541	Coro::cede;
360	goto next_job;	542	goto next_job;
361	}	543	} else {
		544	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
362	}	545	}
363	}	546	}
364		547
365	if (@SLOT_QUEUE) {	548	if (@SLOT_QUEUE) {
366	# 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
367	push @cf::WAIT_FOR_TICK, $signal;	550	push @cf::WAIT_FOR_TICK, $signal;
368	$signal->wait;	551	$signal->wait;
369	} else {	552	} else {
		553	$busy = 0;
370	Coro::schedule;	554	Coro::schedule;
371	}	555	}
372	}	556	}
373	};	557	};
374		558
375	sub get_slot($;$$) {	559	sub get_slot($;$$) {
		560	return if tick_inhibit || $Coro::current == $Coro::main;
		561
376	my ($time, $pri, $name) = @_;	562	my ($time, $pri, $name) = @_;
377		563
378	$time = $TICK * .6 if $time > $TICK * .6;	564	$time = clamp $time, 0.01, $TICK * .6;
		565
379	my $sig = new Coro::Signal;	566	my $sig = new Coro::Signal;
380		567
381	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	568	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
382	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	569	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
383	$SLOT_QUEUE->ready;	570	$SLOT_QUEUE->ready;
…		…
394		581
395	BEGIN { *async = \&Coro::async_pool }	582	BEGIN { *async = \&Coro::async_pool }
396		583
397	=item cf::sync_job { BLOCK }	584	=item cf::sync_job { BLOCK }
398		585
399	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	586	The design of Deliantra requires that the main coroutine ($Coro::main)
400	is always able to handle events or runnable, as Crossfire TRT is only	587	is always able to handle events or runnable, as Deliantra is only
401	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	588	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
402	acceptable.	589	acceptable.
403		590
404	If it must be done, put the blocking parts into C<sync_job>. This will run	591	If it must be done, put the blocking parts into C<sync_job>. This will run
405	the given BLOCK in another coroutine while waiting for the result. The	592	the given BLOCK in another coroutine while waiting for the result. The
…		…
409	=cut	596	=cut
410		597
411	sub sync_job(&) {	598	sub sync_job(&) {
412	my ($job) = @_;	599	my ($job) = @_;
413		600
414	if ($Coro::current == $Coro::main) {	601	if (in_main) {
415	my $time = Event::time;	602	my $time = AE::time;
416		603
417	# this is the main coro, too bad, we have to block	604	# this is the main coro, too bad, we have to block
418	# till the operation succeeds, freezing the server :/	605	# till the operation succeeds, freezing the server :/
419		606
420	# TODO: use suspend/resume instead	607	#LOG llevError, Carp::longmess "sync job";#d#
421	# (but this is cancel-safe)	608
422	my $freeze_guard = freeze_mainloop;	609	my $freeze_guard = freeze_mainloop;
423		610
424	my $busy = 1;	611	my $busy = 1;
425	my @res;	612	my @res;
426		613
427	(async {	614	(async {
		615	$Coro::current->desc ("sync job coro");
428	@res = eval { $job->() };	616	@res = eval { $job->() };
429	warn $@ if $@;	617	error $@ if $@;
430	undef $busy;	618	undef $busy;
431	})->prio (Coro::PRIO_MAX);	619	})->prio (Coro::PRIO_MAX);
432		620
433	while ($busy) {	621	while ($busy) {
434	Coro::cede or Event::one_event;	622	if (Coro::nready) {
		623	Coro::cede_notself;
		624	} else {
		625	EV::loop EV::LOOP_ONESHOT;
435	}	626	}
		627	}
436		628
437	$time = Event::time - $time;	629	my $time = AE::time - $time;
438		630
439	LOG llevError | logBacktrace, Carp::longmess "long sync job"
440	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
441
442	$tick_start += $time; # do not account sync jobs to server load	631	$TICK_START += $time; # do not account sync jobs to server load
443		632
444	wantarray ? @res : $res[0]	633	wantarray ? @res : $res[0]
445	} else {	634	} else {
446	# we are in another coroutine, how wonderful, everything just works	635	# we are in another coroutine, how wonderful, everything just works
447		636
…		…
467	$EXT_CORO{$coro+0} = $coro;	656	$EXT_CORO{$coro+0} = $coro;
468		657
469	$coro	658	$coro
470	}	659	}
471		660
472	=item fork_call { }, $args	661	=item fork_call { }, @args
473		662
474	Executes the given code block with the given arguments in a seperate	663	Executes the given code block with the given arguments in a seperate
475	process, returning the results. Everything must be serialisable with	664	process, returning the results. Everything must be serialisable with
476	Coro::Storable. May, of course, block. Note that the executed sub may	665	Coro::Storable. May, of course, block. Note that the executed sub may
477	never block itself or use any form of Event handling.	666	never block itself or use any form of event handling.
478		667
479	=cut	668	=cut
		669
		670	sub post_fork {
		671	reset_signals;
		672	}
480		673
481	sub fork_call(&@) {	674	sub fork_call(&@) {
482	my ($cb, @args) = @_;	675	my ($cb, @args) = @_;
483		676
484	# we seemingly have to make a local copy of the whole thing,	677	# we seemingly have to make a local copy of the whole thing,
485	# otherwise perl prematurely frees the stuff :/	678	# otherwise perl prematurely frees the stuff :/
486	# TODO: investigate and fix (liekly this will be rather laborious)	679	# TODO: investigate and fix (likely this will be rather laborious)
487		680
488	my @res = Coro::Util::fork_eval {	681	my @res = Coro::Util::fork_eval {
489	reset_signals;	682	cf::post_fork;
490	&$cb	683	&$cb
491	}, @args;	684	} @args;
492		685
493	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
494	}	725	}
495		726
496	=item $value = cf::db_get $family => $key	727	=item $value = cf::db_get $family => $key
497		728
498	Returns a single value from the environment database.	729	Returns a single value from the environment database.
…		…
500	=item cf::db_put $family => $key => $value	731	=item cf::db_put $family => $key => $value
501		732
502	Stores the given C<$value> in the family. It can currently store binary	733	Stores the given C<$value> in the family. It can currently store binary
503	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	734	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
504		735
		736	=item $db = cf::db_table "name"
		737
		738	Create and/or open a new database table. The string must not be "db" and must be unique
		739	within each server.
		740
505	=cut	741	=cut
		742
		743	sub db_table($) {
		744	cf::error "db_get called from main context"
		745	if $Coro::current == $Coro::main;
		746
		747	my ($name) = @_;
		748	my $db = BDB::db_create $DB_ENV;
		749
		750	eval {
		751	$db->set_flags (BDB::CHKSUM);
		752
		753	utf8::encode $name;
		754	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		755	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		756	cf::cleanup "db_open(db): $!" if $!;
		757	};
		758	cf::cleanup "db_open(db): $@" if $@;
		759
		760	$db
		761	}
506		762
507	our $DB;	763	our $DB;
508		764
509	sub db_init {	765	sub db_init {
510	unless ($DB) {	766	$DB ||= db_table "db";
511	$DB = BDB::db_create $DB_ENV;
512
513	cf::sync_job {
514	eval {
515	$DB->set_flags (BDB::CHKSUM);
516
517	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
518	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
519	cf::cleanup "db_open(db): $!" if $!;
520	};
521	cf::cleanup "db_open(db): $@" if $@;
522	};
523	}
524	}	767	}
525		768
526	sub db_get($$) {	769	sub db_get($$) {
527	my $key = "$_[0]/$_[1]";	770	my $key = "$_[0]/$_[1]";
528		771
529	cf::sync_job {	772	cf::error "db_get called from main context"
		773	if $Coro::current == $Coro::main;
		774
530	BDB::db_get $DB, undef, $key, my $data;	775	BDB::db_get $DB, undef, $key, my $data;
531		776
532	$! ? ()	777	$! ? ()
533	: $data	778	: $data
534	}
535	}	779	}
536		780
537	sub db_put($$$) {	781	sub db_put($$$) {
538	BDB::dbreq_pri 4;	782	BDB::dbreq_pri 4;
539	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	783	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
567		811
568	my @data;	812	my @data;
569	my $md5;	813	my $md5;
570		814
571	for (0 .. $#$src) {	815	for (0 .. $#$src) {
572	0 <= aio_load $src->[$_], $data[$_]	816	$data[$_] = load_file $src->[$_];
573	or Carp::croak "$src->[$_]: $!";
574	}	817	}
575		818
576	# if processing is expensive, check	819	# if processing is expensive, check
577	# checksum first	820	# checksum first
578	if (1) {	821	if (1) {
…		…
595		838
596	my $t1 = Time::HiRes::time;	839	my $t1 = Time::HiRes::time;
597	my $data = $process->(\@data);	840	my $data = $process->(\@data);
598	my $t2 = Time::HiRes::time;	841	my $t2 = Time::HiRes::time;
599		842
600	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	843	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
601		844
602	db_put cache => "$id/data", $data;	845	db_put cache => "$id/data", $data;
603	db_put cache => "$id/md5" , $md5;	846	db_put cache => "$id/md5" , $md5;
604	db_put cache => "$id/meta", $meta;	847	db_put cache => "$id/meta", $meta;
605		848
…		…
615		858
616	=cut	859	=cut
617		860
618	sub datalog($@) {	861	sub datalog($@) {
619	my ($type, %kv) = @_;	862	my ($type, %kv) = @_;
620	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	863	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
621	}	864	}
622		865
623	=back	866	=back
624		867
625	=cut	868	=cut
626		869
627	#############################################################################	870	#############################################################################
628		871
629	=head2 ATTACHABLE OBJECTS	872	=head2 ATTACHABLE OBJECTS
630		873
631	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
632	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")
633	to it. All such attachable objects support the following methods.	876	to it. All such attachable objects support the following methods.
634		877
635	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>
636	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
637	Crossfire TRT).	880	Deliantra).
638		881
639	=over 4	882	=over 4
640		883
641	=item $attachable->attach ($attachment, key => $value...)	884	=item $attachable->attach ($attachment, key => $value...)
642		885
…		…
686	=item cf::CLASS::attachment $name, ...	929	=item cf::CLASS::attachment $name, ...
687		930
688	Register an attachment by C<$name> through which attachable objects of the	931	Register an attachment by C<$name> through which attachable objects of the
689	given CLASS can refer to this attachment.	932	given CLASS can refer to this attachment.
690		933
691	Some classes such as crossfire maps and objects can specify attachments	934	Some classes such as deliantra maps and objects can specify attachments
692	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.
693		936
694	These calls expect any number of the following handler/hook descriptions:	937	These calls expect any number of the following handler/hook descriptions:
695		938
696	=over 4	939	=over 4
…		…
820		1063
821	} elsif (exists $cb_id{$type}) {	1064	} elsif (exists $cb_id{$type}) {
822	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1065	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
823		1066
824	} elsif (ref $type) {	1067	} elsif (ref $type) {
825	warn "attaching objects not supported, ignoring.\n";	1068	error "attaching objects not supported, ignoring.\n";
826		1069
827	} else {	1070	} else {
828	shift @arg;	1071	shift @arg;
829	warn "attach argument '$type' not supported, ignoring.\n";	1072	error "attach argument '$type' not supported, ignoring.\n";
830	}	1073	}
831	}	1074	}
832	}	1075	}
833		1076
834	sub _object_attach {	1077	sub _object_attach {
…		…
844	_attach $registry, $klass, @attach;	1087	_attach $registry, $klass, @attach;
845	}	1088	}
846		1089
847	$obj->{$name} = \%arg;	1090	$obj->{$name} = \%arg;
848	} else {	1091	} else {
849	warn "object uses attachment '$name' which is not available, postponing.\n";	1092	info "object uses attachment '$name' which is not available, postponing.\n";
850	}	1093	}
851		1094
852	$obj->{_attachment}{$name} = undef;	1095	$obj->{_attachment}{$name} = undef;
853	}	1096	}
854		1097
…		…
913		1156
914	for (@$callbacks) {	1157	for (@$callbacks) {
915	eval { &{$_->[1]} };	1158	eval { &{$_->[1]} };
916		1159
917	if ($@) {	1160	if ($@) {
918	warn "$@";
919	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1161	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
920	override;	1162	override;
921	}	1163	}
922		1164
923	return 1 if $override;	1165	return 1 if $override;
924	}	1166	}
925		1167
926	0	1168	0
927	}	1169	}
928		1170
929	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1171	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
930		1172
931	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1173	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
932		1174
933	Generate an object-specific event with the given arguments.	1175	Generate an object-specific event with the given arguments.
934		1176
…		…
940		1182
941	=cut	1183	=cut
942		1184
943	#############################################################################	1185	#############################################################################
944	# object support	1186	# object support
945	#
946		1187
		1188	sub _object_equal($$);
		1189	sub _object_equal($$) {
		1190	my ($a, $b) = @_;
		1191
		1192	return 0 unless (ref $a) eq (ref $b);
		1193
		1194	if ("HASH" eq ref $a) {
		1195	my @ka = keys %$a;
		1196	my @kb = keys %$b;
		1197
		1198	return 0 if @ka != @kb;
		1199
		1200	for (0 .. $#ka) {
		1201	return 0 unless $ka[$_] eq $kb[$_];
		1202	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1203	}
		1204
		1205	} elsif ("ARRAY" eq ref $a) {
		1206
		1207	return 0 if @$a != @$b;
		1208
		1209	for (0 .. $#$a) {
		1210	return 0 unless _object_equal $a->[$_], $b->[$_];
		1211	}
		1212
		1213	} elsif ($a ne $b) {
		1214	return 0;
		1215	}
		1216
		1217	1
		1218	}
		1219
		1220	our $SLOW_MERGES;#d#
947	sub _can_merge {	1221	sub _can_merge {
948	my ($ob1, $ob2) = @_;	1222	my ($ob1, $ob2) = @_;
949		1223
950	local $Storable::canonical = 1;	1224	++$SLOW_MERGES;#d#
951	my $fob1 = Storable::freeze $ob1;
952	my $fob2 = Storable::freeze $ob2;
953		1225
954	$fob1 eq $fob2	1226	# we do the slow way here
		1227	return _object_equal $ob1, $ob2
955	}	1228	}
956		1229
957	sub reattach {	1230	sub reattach {
958	# basically do the same as instantiate, without calling instantiate	1231	# basically do the same as instantiate, without calling instantiate
959	my ($obj) = @_;	1232	my ($obj) = @_;
960		1233
		1234	# no longer needed after getting rid of delete_package?
961	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
962		1236
963	my $registry = $obj->registry;	1237	my $registry = $obj->registry;
964		1238
965	@$registry = ();	1239	@$registry = ();
966		1240
…		…
971	for (@$attach) {	1245	for (@$attach) {
972	my ($klass, @attach) = @$_;	1246	my ($klass, @attach) = @$_;
973	_attach $registry, $klass, @attach;	1247	_attach $registry, $klass, @attach;
974	}	1248	}
975	} else {	1249	} else {
976	warn "object uses attachment '$name' that is not available, postponing.\n";	1250	info "object uses attachment '$name' that is not available, postponing.\n";
977	}	1251	}
978	}	1252	}
979	}	1253	}
980		1254
981	cf::attachable->attach (	1255	cf::attachable->attach (
982	prio => -1000000,	1256	prio => -1000000,
983	on_instantiate => sub {	1257	on_instantiate => sub {
984	my ($obj, $data) = @_;	1258	my ($obj, $data) = @_;
985		1259
986	$data = from_json $data;	1260	$data = decode_json $data;
987		1261
988	for (@$data) {	1262	for (@$data) {
989	my ($name, $args) = @$_;	1263	my ($name, $args) = @$_;
990		1264
991	$obj->attach ($name, %{$args || {} });	1265	$obj->attach ($name, %{$args || {} });
…		…
1007	sub object_freezer_save {	1281	sub object_freezer_save {
1008	my ($filename, $rdata, $objs) = @_;	1282	my ($filename, $rdata, $objs) = @_;
1009		1283
1010	sync_job {	1284	sync_job {
1011	if (length $$rdata) {	1285	if (length $$rdata) {
		1286	utf8::decode (my $decname = $filename);
1012	warn sprintf "saving %s (%d,%d)\n",	1287	trace sprintf "saving %s (%d,%d)\n",
1013	$filename, length $$rdata, scalar @$objs;	1288	$decname, length $$rdata, scalar @$objs
		1289	if $VERBOSE_IO;
1014		1290
1015	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1291	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1016	chmod SAVE_MODE, $fh;	1292	aio_chmod $fh, SAVE_MODE;
1017	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1293	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1018	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	}
1019	close $fh;	1298	aio_close $fh;
1020		1299
1021	if (@$objs) {	1300	if (@$objs) {
1022	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) {
1023	chmod SAVE_MODE, $fh;	1302	aio_chmod $fh, SAVE_MODE;
1024	my $data = Storable::nfreeze { version => 1, objs => $objs };	1303	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1025	aio_write $fh, 0, (length $data), $data, 0;	1304	aio_write $fh, 0, (length $data), $data, 0;
1026	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	}
1027	close $fh;	1309	aio_close $fh;
1028	aio_rename "$filename.pst~", "$filename.pst";	1310	aio_rename "$filename.pst~", "$filename.pst";
1029	}	1311	}
1030	} else {	1312	} else {
1031	aio_unlink "$filename.pst";	1313	aio_unlink "$filename.pst";
1032	}	1314	}
1033		1315
1034	aio_rename "$filename~", $filename;	1316	aio_rename "$filename~", $filename;
		1317
		1318	$filename =~ s%/[^/]+$%%;
		1319	aio_pathsync $filename if $cf::USE_FSYNC;
1035	} else {	1320	} else {
1036	warn "FATAL: $filename~: $!\n";	1321	error "unable to save objects: $filename~: $!\n";
1037	}	1322	}
1038	} else {	1323	} else {
1039	aio_unlink $filename;	1324	aio_unlink $filename;
1040	aio_unlink "$filename.pst";	1325	aio_unlink "$filename.pst";
1041	}	1326	}
1042	}	1327	};
1043	}	1328	}
1044		1329
1045	sub object_freezer_as_string {	1330	sub object_freezer_as_string {
1046	my ($rdata, $objs) = @_;	1331	my ($rdata, $objs) = @_;
1047		1332
…		…
1059	or return;	1344	or return;
1060		1345
1061	unless (aio_stat "$filename.pst") {	1346	unless (aio_stat "$filename.pst") {
1062	(aio_load "$filename.pst", $av) >= 0	1347	(aio_load "$filename.pst", $av) >= 0
1063	or return;	1348	or return;
		1349
1064	$av = eval { (Storable::thaw $av)->{objs} };	1350	my $st = eval { Coro::Storable::thaw $av };
		1351	$av = $st->{objs};
1065	}	1352	}
1066		1353
		1354	utf8::decode (my $decname = $filename);
1067	warn sprintf "loading %s (%d)\n",	1355	trace sprintf "loading %s (%d,%d)\n",
1068	$filename, length $data, scalar @{$av || []};	1356	$decname, length $data, scalar @{$av || []}
		1357	if $VERBOSE_IO;
		1358
1069	return ($data, $av);	1359	($data, $av)
1070	}	1360	}
1071		1361
1072	=head2 COMMAND CALLBACKS	1362	=head2 COMMAND CALLBACKS
1073		1363
1074	=over 4	1364	=over 4
…		…
1128	my ($name, $cb) = @_;	1418	my ($name, $cb) = @_;
1129		1419
1130	$EXTICMD{$name} = $cb;	1420	$EXTICMD{$name} = $cb;
1131	}	1421	}
1132		1422
		1423	use File::Glob ();
		1424
1133	cf::player->attach (	1425	cf::player->attach (
1134	on_command => sub {	1426	on_unknown_command => sub {
1135	my ($pl, $name, $params) = @_;	1427	my ($pl, $name, $params) = @_;
1136		1428
1137	my $cb = $COMMAND{$name}	1429	my $cb = $COMMAND{$name}
1138	or return;	1430	or return;
1139		1431
…		…
1162		1454
1163	$pl->ext_reply ($reply, @reply)	1455	$pl->ext_reply ($reply, @reply)
1164	if $reply;	1456	if $reply;
1165		1457
1166	} else {	1458	} else {
1167	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1459	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1168	}	1460	}
1169		1461
1170	cf::override;	1462	cf::override;
1171	},	1463	},
1172	);	1464	);
1173		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
1174	sub load_extensions {	1479	sub load_extensions {
		1480	info "loading extensions...";
		1481
1175	cf::sync_job {	1482	cf::sync_job {
1176	my %todo;	1483	my %todo;
1177		1484
1178	for my $path (<$LIBDIR/*.ext>) {	1485	for my $path (<$LIBDIR/*.ext>) {
1179	next unless -r $path;	1486	next unless -r $path;
…		…
1197		1504
1198	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1505	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1199	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1506	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1200		1507
1201	$ext{source} =	1508	$ext{source} =
1202	"package $pkg; use strict; use utf8;\n"	1509	"package $pkg; use common::sense;\n"
1203	. "#line 1 \"$path\"\n{\n"	1510	. "#line 1 \"$path\"\n{\n"
1204	. $source	1511	. $source
1205	. "\n};\n1";	1512	. "\n};\n1";
1206		1513
1207	$todo{$base} = \%ext;	1514	$todo{$base} = \%ext;
1208	}	1515	}
1209		1516
		1517	my $pass = 0;
1210	my %done;	1518	my %done;
1211	while (%todo) {	1519	while (%todo) {
1212	my $progress;	1520	my $progress;
1213		1521
		1522	++$pass;
		1523
		1524	ext:
1214	while (my ($k, $v) = each %todo) {	1525	while (my ($k, $v) = each %todo) {
1215	for (split /,\s*/, $v->{meta}{depends}) {	1526	for (split /,\s*/, $v->{meta}{depends}) {
1216	goto skip	1527	next ext
1217	unless exists $done{$_};	1528	unless exists $done{$_};
1218	}	1529	}
1219		1530
1220	warn "... loading '$k' into '$v->{pkg}'\n";	1531	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1221		1532
1222	unless (eval $v->{source}) {	1533	my $active = eval $v->{source};
		1534
		1535	if (length $@) {
1223	my $msg = $@ ? "$v->{path}: $@\n"	1536	error "$v->{path}: $@\n";
1224	: "$v->{base}: extension inactive.\n";
1225		1537
		1538	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1226	if (exists $v->{meta}{mandatory}) {	1539	if exists $v->{meta}{mandatory};
1227	warn $msg;	1540
1228	warn "mandatory extension failed to load, exiting.\n";	1541	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1229	exit 1;	1542	delete $todo{$k};
1230	}	1543	} else {
1231		1544	$done{$k} = delete $todo{$k};
1232	warn $msg;	1545	push @EXTS, $v->{pkg};
		1546	$progress = 1;
		1547
		1548	info "$v->{base}: extension inactive.\n"
		1549	unless $active;
1233	}	1550	}
1234
1235	$done{$k} = delete $todo{$k};
1236	push @EXTS, $v->{pkg};
1237	$progress = 1;
1238	}	1551	}
1239		1552
1240	skip:	1553	unless ($progress) {
1241	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1554	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1242	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	}
1243	}	1563	}
1244	};	1564	};
1245	}	1565	}
1246		1566
1247	#############################################################################	1567	#############################################################################
1248		1568
1249	=back	1569	=back
1250		1570
1251	=head2 CORE EXTENSIONS	1571	=head2 CORE EXTENSIONS
1252		1572
1253	Functions and methods that extend core crossfire objects.	1573	Functions and methods that extend core deliantra objects.
1254		1574
1255	=cut	1575	=cut
1256		1576
1257	package cf::player;	1577	package cf::player;
1258		1578
1259	use Coro::AIO;	1579	use Coro::AIO;
1260		1580
1261	=head3 cf::player	1581	=head3 cf::player
1262		1582
1263	=over 4	1583	=over 4
		1584
		1585	=item cf::player::num_playing
		1586
		1587	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1588
		1589	=cut
		1590
		1591	sub num_playing {
		1592	scalar grep
		1593	$_->ob->map
		1594	&& !$_->hidden
		1595	&& !$_->ob->flag (cf::FLAG_WIZ),
		1596	cf::player::list
		1597	}
1264		1598
1265	=item cf::player::find $login	1599	=item cf::player::find $login
1266		1600
1267	Returns the given player object, loading it if necessary (might block).	1601	Returns the given player object, loading it if necessary (might block).
1268		1602
…		…
1287		1621
1288	sub exists($) {	1622	sub exists($) {
1289	my ($login) = @_;	1623	my ($login) = @_;
1290		1624
1291	$cf::PLAYER{$login}	1625	$cf::PLAYER{$login}
1292	or cf::sync_job { !aio_stat path $login }	1626	or !aio_stat path $login
1293	}	1627	}
1294		1628
1295	sub find($) {	1629	sub find($) {
1296	return $cf::PLAYER{$_[0]} || do {	1630	return $cf::PLAYER{$_[0]} || do {
1297	my $login = $_[0];	1631	my $login = $_[0];
…		…
1304	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1638	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1305	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1639	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1306	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1640	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1307	aio_unlink +(playerdir $login) . "/$login.pl";	1641	aio_unlink +(playerdir $login) . "/$login.pl";
1308		1642
1309	my $pl = load_pl path $login	1643	my $f = new_from_file cf::object::thawer path $login
1310	or return;	1644	or return;
		1645
		1646	my $pl = cf::player::load_pl $f
		1647	or return;
		1648
		1649	local $cf::PLAYER_LOADING{$login} = $pl;
		1650	$f->resolve_delayed_derefs;
1311	$cf::PLAYER{$login} = $pl	1651	$cf::PLAYER{$login} = $pl
1312	}	1652	}
1313	}	1653	}
1314	}	1654	}
		1655
		1656	cf::player->attach (
		1657	on_load => sub {
		1658	my ($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	);
1315		1668
1316	sub save($) {	1669	sub save($) {
1317	my ($pl) = @_;	1670	my ($pl) = @_;
1318		1671
1319	return if $pl->{deny_save};	1672	return if $pl->{deny_save};
…		…
1323		1676
1324	return if $pl->{deny_save};	1677	return if $pl->{deny_save};
1325		1678
1326	aio_mkdir playerdir $pl, 0770;	1679	aio_mkdir playerdir $pl, 0770;
1327	$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];
1328		1686
1329	$pl->save_pl ($path);	1687	$pl->save_pl ($path);
1330	cf::cede_to_tick;	1688	cf::cede_to_tick;
1331	}	1689	}
1332		1690
…		…
1364	my ($pl) = @_;	1722	my ($pl) = @_;
1365		1723
1366	my $name = $pl->ob->name;	1724	my $name = $pl->ob->name;
1367		1725
1368	$pl->{deny_save} = 1;	1726	$pl->{deny_save} = 1;
1369	$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
1370		1728
1371	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1729	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1372	$pl->deactivate;	1730	$pl->deactivate;
		1731
		1732	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1373	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1733	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1734	ext::highscore::check ($pl->ob);
		1735
1374	$pl->ns->destroy if $pl->ns;	1736	$pl->ns->destroy if $pl->ns;
1375		1737
1376	my $path = playerdir $pl;	1738	my $path = playerdir $pl;
1377	my $temp = "$path~$cf::RUNTIME~deleting~";	1739	my $temp = "$path~$cf::RUNTIME~deleting~";
1378	aio_rename $path, $temp;	1740	aio_rename $path, $temp;
…		…
1413	or return [];	1775	or return [];
1414		1776
1415	my @logins;	1777	my @logins;
1416		1778
1417	for my $login (@$dirs) {	1779	for my $login (@$dirs) {
		1780	my $path = path $login;
		1781
		1782	# a .pst is a dead give-away for a valid player
		1783	# if no pst file found, open and chekc for blocked users
		1784	if (aio_stat "$path.pst") {
1418	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1785	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1419	aio_read $fh, 0, 512, my $buf, 0 or next;	1786	aio_read $fh, 0, 512, my $buf, 0 or next;
1420	$buf !~ /^password -------------$/m or next; # official not-valid tag	1787	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1788	}
1421		1789
1422	utf8::decode $login;	1790	utf8::decode $login;
1423	push @logins, $login;	1791	push @logins, $login;
1424	}	1792	}
1425		1793
1426	\@logins	1794	\@logins
1427	}	1795	}
1428		1796
1429	=item $player->maps	1797	=item $player->maps
		1798
		1799	=item cf::player::maps $login
1430		1800
1431	Returns an arrayref of map paths that are private for this	1801	Returns an arrayref of map paths that are private for this
1432	player. May block.	1802	player. May block.
1433		1803
1434	=cut	1804	=cut
…		…
1452	}	1822	}
1453		1823
1454	\@paths	1824	\@paths
1455	}	1825	}
1456		1826
1457	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1827	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1458		1828
1459	Expand crossfire pod fragments into protocol xml.	1829	Expand deliantra pod fragments into protocol xml.
1460
1461	=cut
1462
1463	sub expand_cfpod {
1464	((my $self), (local $_)) = @_;
1465
1466	# escape & and <
1467	s/&/&amp;/g;
1468	s/(?<![BIUGHT])</&lt;/g;
1469
1470	# this is buggy, it needs to properly take care of nested <'s
1471
1472	1 while
1473	# replace B<>, I<>, U<> etc.
1474	s/B<([^\>]*)>/<b>$1<\/b>/
1475	|| s/I<([^\>]*)>/<i>$1<\/i>/
1476	|| s/U<([^\>]*)>/<u>$1<\/u>/
1477	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1478	# replace G<male|female> tags
1479	|| s{G<([^>|]*)\|([^>]*)>}{
1480	$self->gender ? $2 : $1
1481	}ge
1482	# replace H<hint text>
1483	|| s{H<([^\>]*)>}
1484	{
1485	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1486	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1487	"")
1488	[$self->{hintmode}]
1489	}ge;
1490
1491	# create single paragraphs (very hackish)
1492	s/(?<=\S)\n(?=\w)/ /g;
1493
1494	# compress some whitespace
1495	s/\s+\n/\n/g; # ws line-ends
1496	s/\n\n+/\n/g; # double lines
1497	s/^\n+//; # beginning lines
1498	s/\n+$//; # ending lines
1499
1500	$_
1501	}
1502
1503	sub hintmode {
1504	$_[0]{hintmode} = $_[1] if @_ > 1;
1505	$_[0]{hintmode}
1506	}
1507		1830
1508	=item $player->ext_reply ($msgid, @msg)	1831	=item $player->ext_reply ($msgid, @msg)
1509		1832
1510	Sends an ext reply to the player.	1833	Sends an ext reply to the player.
1511		1834
…		…
1543		1866
1544	=cut	1867	=cut
1545		1868
1546	sub find_by_path($) {	1869	sub find_by_path($) {
1547	my ($path) = @_;	1870	my ($path) = @_;
		1871
		1872	$path =~ s/^~[^\/]*//; # skip ~login
1548		1873
1549	my ($match, $specificity);	1874	my ($match, $specificity);
1550		1875
1551	for my $region (list) {	1876	for my $region (list) {
1552	if ($region->{match} && $path =~ $region->{match}) {	1877	if ($region->{match} && $path =~ $region->{match}) {
…		…
1578	our $MAX_RESET = 3600;	1903	our $MAX_RESET = 3600;
1579	our $DEFAULT_RESET = 3000;	1904	our $DEFAULT_RESET = 3000;
1580		1905
1581	sub generate_random_map {	1906	sub generate_random_map {
1582	my ($self, $rmp) = @_;	1907	my ($self, $rmp) = @_;
1583	# mit "rum" bekleckern, nicht	1908
		1909	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1910
1584	$self->_create_random_map (	1911	$self->_create_random_map ($rmp);
1585	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1586	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1587	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1588	$rmp->{exit_on_final_map},
1589	$rmp->{xsize}, $rmp->{ysize},
1590	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1591	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1592	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1593	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1594	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1595	(cf::region::find $rmp->{region}), $rmp->{custom}
1596	)
1597	}	1912	}
1598		1913
1599	=item cf::map->register ($regex, $prio)	1914	=item cf::map->register ($regex, $prio)
1600		1915
1601	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
…		…
1606		1921
1607	sub register {	1922	sub register {
1608	my (undef, $regex, $prio) = @_;	1923	my (undef, $regex, $prio) = @_;
1609	my $pkg = caller;	1924	my $pkg = caller;
1610		1925
1611	no strict;
1612	push @{"$pkg\::ISA"}, __PACKAGE__;	1926	push @{"$pkg\::ISA"}, __PACKAGE__;
1613		1927
1614	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1928	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1615	}	1929	}
1616		1930
1617	# also paths starting with '/'	1931	# also paths starting with '/'
1618	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1932	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1619		1933
1620	sub thawer_merge {	1934	sub thawer_merge {
1621	my ($self, $merge) = @_;	1935	my ($self, $merge) = @_;
1622		1936
1623	# we have to keep some variables in memory intact	1937	# we have to keep some variables in memory intact
…		…
1628	}	1942	}
1629		1943
1630	sub normalise {	1944	sub normalise {
1631	my ($path, $base) = @_;	1945	my ($path, $base) = @_;
1632		1946
1633	$path = "$path"; # make sure its a string	1947	$path = "$path"; # make sure it's a string
1634		1948
1635	$path =~ s/\.map$//;	1949	$path =~ s/\.map$//;
1636		1950
1637	# map plan:	1951	# map plan:
1638	#	1952	#
…		…
1653	$base =~ s{[^/]+/?$}{};	1967	$base =~ s{[^/]+/?$}{};
1654	$path = "$base/$path";	1968	$path = "$base/$path";
1655	}	1969	}
1656		1970
1657	for ($path) {	1971	for ($path) {
1658	redo if s{//}{/};
1659	redo if s{/\.?/}{/};	1972	redo if s{/\.?/}{/};
1660	redo if s{/[^/]+/\.\./}{/};	1973	redo if s{/[^/]+/\.\./}{/};
1661	}	1974	}
1662		1975
1663	$path	1976	$path
…		…
1677	$self->init; # pass $1 etc.	1990	$self->init; # pass $1 etc.
1678	return $self;	1991	return $self;
1679	}	1992	}
1680	}	1993	}
1681		1994
1682	Carp::cluck "unable to resolve path '$path' (base '$base').";	1995	Carp::cluck "unable to resolve path '$path' (base '$base')";
1683	()	1996	()
1684	}	1997	}
1685		1998
		1999	# may re-bless or do other evil things
1686	sub init {	2000	sub init {
1687	my ($self) = @_;	2001	my ($self) = @_;
1688		2002
1689	$self	2003	$self
1690	}	2004	}
…		…
1709		2023
1710	# the temporary/swap location	2024	# the temporary/swap location
1711	sub save_path {	2025	sub save_path {
1712	my ($self) = @_;	2026	my ($self) = @_;
1713		2027
1714	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2028	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1715	"$TMPDIR/$path.map"	2029	"$TMPDIR/$path.map"
1716	}	2030	}
1717		2031
1718	# the unique path, undef == no special unique path	2032	# the unique path, undef == no special unique path
1719	sub uniq_path {	2033	sub uniq_path {
1720	my ($self) = @_;	2034	my ($self) = @_;
1721		2035
1722	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2036	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1723	"$UNIQUEDIR/$path"	2037	"$UNIQUEDIR/$path"
1724	}
1725
1726	# and all this just because we cannot iterate over
1727	# all maps in C++...
1728	sub change_all_map_light {
1729	my ($change) = @_;
1730
1731	$_->change_map_light ($change)
1732	for grep $_->outdoor, values %cf::MAP;
1733	}	2038	}
1734		2039
1735	sub decay_objects {	2040	sub decay_objects {
1736	my ($self) = @_;	2041	my ($self) = @_;
1737		2042
…		…
1750		2055
1751	sub load_header_from($) {	2056	sub load_header_from($) {
1752	my ($self, $path) = @_;	2057	my ($self, $path) = @_;
1753		2058
1754	utf8::encode $path;	2059	utf8::encode $path;
1755	#aio_open $path, O_RDONLY, 0	2060	my $f = new_from_file cf::object::thawer $path
1756	# or return;
1757
1758	$self->_load_header ($path)
1759	or return;	2061	or return;
		2062
		2063	$self->_load_header ($f)
		2064	or return;
		2065
		2066	local $MAP_LOADING{$self->{path}} = $self;
		2067	$f->resolve_delayed_derefs;
1760		2068
1761	$self->{load_path} = $path;	2069	$self->{load_path} = $path;
1762		2070
1763	1	2071	1
1764	}	2072	}
…		…
1816		2124
1817	sub find;	2125	sub find;
1818	sub find {	2126	sub find {
1819	my ($path, $origin) = @_;	2127	my ($path, $origin) = @_;
1820		2128
		2129	cf::cede_to_tick;
		2130
1821	$path = normalise $path, $origin && $origin->path;	2131	$path = normalise $path, $origin && $origin->path;
1822		2132
		2133	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1823	cf::lock_wait "map_find:$path";	2134	my $guard2 = cf::lock_acquire "map_find:$path";
1824		2135
1825	$cf::MAP{$path} || do {	2136	$cf::MAP{$path} || do {
1826	my $guard = cf::lock_acquire "map_find:$path";
1827	my $map = new_from_path cf::map $path	2137	my $map = new_from_path cf::map $path
1828	or return;	2138	or return;
1829		2139
1830	$map->{last_save} = $cf::RUNTIME;	2140	$map->{last_save} = $cf::RUNTIME;
1831		2141
…		…
1833	or return;	2143	or return;
1834		2144
1835	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2145	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1836	# doing this can freeze the server in a sync job, obviously	2146	# doing this can freeze the server in a sync job, obviously
1837	#$cf::WAIT_FOR_TICK->wait;	2147	#$cf::WAIT_FOR_TICK->wait;
		2148	undef $guard2;
		2149	undef $guard1;
1838	$map->reset;	2150	$map->reset;
1839	undef $guard;
1840	return find $path;	2151	return find $path;
1841	}	2152	}
1842		2153
1843	$cf::MAP{$path} = $map	2154	$cf::MAP{$path} = $map
1844	}	2155	}
1845	}	2156	}
1846		2157
1847	sub pre_load { }	2158	sub pre_load { }
1848	sub post_load { }	2159	#sub post_load { } # XS
1849		2160
1850	sub load {	2161	sub load {
1851	my ($self) = @_;	2162	my ($self) = @_;
1852		2163
1853	local $self->{deny_reset} = 1; # loading can take a long time	2164	local $self->{deny_reset} = 1; # loading can take a long time
1854		2165
1855	my $path = $self->{path};	2166	my $path = $self->{path};
1856		2167
1857	{	2168	{
1858	my $guard1 = cf::lock_acquire "map_data:$path";	2169	my $guard = cf::lock_acquire "map_data:$path";
1859	my $guard2 = cf::lock_acquire "map_load:$path";
1860		2170
		2171	return unless $self->valid;
1861	return if $self->in_memory != cf::MAP_SWAPPED;	2172	return unless $self->in_memory == cf::MAP_SWAPPED;
1862		2173
1863	$self->in_memory (cf::MAP_LOADING);	2174	$self->in_memory (cf::MAP_LOADING);
1864		2175
1865	$self->alloc;	2176	$self->alloc;
1866		2177
1867	$self->pre_load;	2178	$self->pre_load;
1868	cf::cede_to_tick;	2179	cf::cede_to_tick;
1869		2180
1870	$self->_load_objects ($self->{load_path}, 1)	2181	if (exists $self->{load_path}) {
		2182	my $f = new_from_file cf::object::thawer $self->{load_path};
		2183	$f->skip_block;
		2184	$self->_load_objects ($f)
1871	or return;	2185	or return;
1872		2186
1873	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2187	$self->post_load_original
1874	if delete $self->{load_original};	2188	if delete $self->{load_original};
1875		2189
1876	if (my $uniq = $self->uniq_path) {	2190	if (my $uniq = $self->uniq_path) {
1877	utf8::encode $uniq;	2191	utf8::encode $uniq;
1878	if (aio_open $uniq, O_RDONLY, 0) {	2192	unless (aio_stat $uniq) {
		2193	if (my $f = new_from_file cf::object::thawer $uniq) {
1879	$self->clear_unique_items;	2194	$self->clear_unique_items;
1880	$self->_load_objects ($uniq, 0);	2195	$self->_load_objects ($f);
		2196	$f->resolve_delayed_derefs;
		2197	}
		2198	}
1881	}	2199	}
		2200
		2201	$f->resolve_delayed_derefs;
1882	}	2202	}
1883		2203
1884	cf::cede_to_tick;	2204	cf::cede_to_tick;
1885	# now do the right thing for maps	2205	# now do the right thing for maps
1886	$self->link_multipart_objects;	2206	$self->link_multipart_objects;
…		…
1891	unless ($self->{deny_activate}) {	2211	unless ($self->{deny_activate}) {
1892	$self->decay_objects;	2212	$self->decay_objects;
1893	$self->fix_auto_apply;	2213	$self->fix_auto_apply;
1894	$self->update_buttons;	2214	$self->update_buttons;
1895	cf::cede_to_tick;	2215	cf::cede_to_tick;
1896	$self->set_darkness_map;
1897	cf::cede_to_tick;
1898	$self->activate;	2216	$self->activate;
1899	}	2217	}
1900		2218
1901	$self->{last_save} = $cf::RUNTIME;	2219	$self->{last_save} = $cf::RUNTIME;
1902	$self->last_access ($cf::RUNTIME);	2220	$self->last_access ($cf::RUNTIME);
1903		2221
1904	$self->in_memory (cf::MAP_IN_MEMORY);	2222	$self->in_memory (cf::MAP_ACTIVE);
1905	}	2223	}
1906		2224
1907	$self->post_load;	2225	$self->post_load;
1908	}
1909		2226
		2227	1
		2228	}
		2229
		2230	# customize the map for a given player, i.e.
		2231	# return the _real_ map. used by e.g. per-player
		2232	# maps to change the path to ~playername/mappath
1910	sub customise_for {	2233	sub customise_for {
1911	my ($self, $ob) = @_;	2234	my ($self, $ob) = @_;
1912		2235
1913	return find "~" . $ob->name . "/" . $self->{path}	2236	return find "~" . $ob->name . "/" . $self->{path}
1914	if $self->per_player;	2237	if $self->per_player;
…		…
1930	or next;	2253	or next;
1931	$neigh = find $neigh, $map	2254	$neigh = find $neigh, $map
1932	or next;	2255	or next;
1933	$neigh->load;	2256	$neigh->load;
1934		2257
		2258	# now find the diagonal neighbours
1935	push @neigh,	2259	push @neigh,
1936	[$neigh->tile_path (($_ + 3) % 4), $neigh],	2260	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1937	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2261	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1938	}	2262	}
1939		2263
…		…
1946	}	2270	}
1947		2271
1948	sub find_sync {	2272	sub find_sync {
1949	my ($path, $origin) = @_;	2273	my ($path, $origin) = @_;
1950		2274
1951	cf::sync_job { find $path, $origin }	2275	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2276	if $Coro::current == $Coro::main;
		2277
		2278	find $path, $origin
1952	}	2279	}
1953		2280
1954	sub do_load_sync {	2281	sub do_load_sync {
1955	my ($map) = @_;	2282	my ($map) = @_;
1956		2283
1957	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2284	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
1958	if $Coro::current == $Coro::main;	2285	if $Coro::current == $Coro::main;
1959		2286
1960	cf::sync_job { $map->load };	2287	$map->load;
1961	}	2288	}
1962		2289
1963	our %MAP_PREFETCH;	2290	our %MAP_PREFETCH;
1964	our $MAP_PREFETCHER = undef;	2291	our $MAP_PREFETCHER = undef;
1965		2292
…		…
1967	my ($path, $origin, $load) = @_;	2294	my ($path, $origin, $load) = @_;
1968		2295
1969	$path = normalise $path, $origin && $origin->{path};	2296	$path = normalise $path, $origin && $origin->{path};
1970		2297
1971	if (my $map = $cf::MAP{$path}) {	2298	if (my $map = $cf::MAP{$path}) {
1972	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2299	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1973	}	2300	}
1974		2301
1975	$MAP_PREFETCH{$path} |= $load;	2302	$MAP_PREFETCH{$path} |= $load;
1976		2303
1977	$MAP_PREFETCHER ||= cf::async {	2304	$MAP_PREFETCHER ||= cf::async {
		2305	$Coro::current->{desc} = "map prefetcher";
		2306
1978	while (%MAP_PREFETCH) {	2307	while (%MAP_PREFETCH) {
1979	while (my ($k, $v) = each %MAP_PREFETCH) {	2308	while (my ($k, $v) = each %MAP_PREFETCH) {
1980	if (my $map = find $k) {	2309	if (my $map = find $k) {
1981	$map->load if $v;	2310	$map->load if $v;
1982	}	2311	}
…		…
1989	$MAP_PREFETCHER->prio (6);	2318	$MAP_PREFETCHER->prio (6);
1990		2319
1991	()	2320	()
1992	}	2321	}
1993		2322
		2323	# common code, used by both ->save and ->swapout
1994	sub save {	2324	sub _save {
1995	my ($self) = @_;	2325	my ($self) = @_;
1996
1997	my $lock = cf::lock_acquire "map_data:$self->{path}";
1998		2326
1999	$self->{last_save} = $cf::RUNTIME;	2327	$self->{last_save} = $cf::RUNTIME;
2000		2328
2001	return unless $self->dirty;	2329	return unless $self->dirty;
2002		2330
…		…
2008	return if $self->{deny_save};	2336	return if $self->{deny_save};
2009		2337
2010	local $self->{last_access} = $self->last_access;#d#	2338	local $self->{last_access} = $self->last_access;#d#
2011		2339
2012	cf::async {	2340	cf::async {
		2341	$Coro::current->{desc} = "map player save";
2013	$_->contr->save for $self->players;	2342	$_->contr->save for $self->players;
2014	};	2343	};
		2344
		2345	cf::get_slot 0.02;
2015		2346
2016	if ($uniq) {	2347	if ($uniq) {
2017	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2348	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2018	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2349	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2019	} else {	2350	} else {
2020	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2351	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2021	}	2352	}
2022	}	2353	}
2023		2354
		2355	sub save {
		2356	my ($self) = @_;
		2357
		2358	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2359
		2360	$self->_save;
		2361	}
		2362
2024	sub swap_out {	2363	sub swap_out {
2025	my ($self) = @_;	2364	my ($self) = @_;
2026		2365
2027	# save first because save cedes
2028	$self->save;
2029
2030	my $lock = cf::lock_acquire "map_data:$self->{path}";	2366	my $lock = cf::lock_acquire "map_data:$self->{path}";
2031		2367
		2368	return if $self->in_memory != cf::MAP_ACTIVE;
		2369	return if $self->{deny_save};
2032	return if $self->players;	2370	return if $self->players;
2033	return if $self->in_memory != cf::MAP_IN_MEMORY;
2034	return if $self->{deny_save};
2035		2371
		2372	# first deactivate the map and "unlink" it from the core
		2373	$self->deactivate;
		2374	$_->clear_links_to ($self) for values %cf::MAP;
		2375	$self->in_memory (cf::MAP_SWAPPED);
		2376
		2377	# then atomically save
		2378	$self->_save;
		2379
		2380	# then free the map
2036	$self->clear;	2381	$self->clear;
2037	$self->in_memory (cf::MAP_SWAPPED);
2038	}	2382	}
2039		2383
2040	sub reset_at {	2384	sub reset_at {
2041	my ($self) = @_;	2385	my ($self) = @_;
2042		2386
…		…
2060		2404
2061	my $lock = cf::lock_acquire "map_data:$self->{path}";	2405	my $lock = cf::lock_acquire "map_data:$self->{path}";
2062		2406
2063	return if $self->players;	2407	return if $self->players;
2064		2408
2065	warn "resetting map ", $self->path;	2409	cf::trace "resetting map ", $self->path, "\n";
2066		2410
2067	$self->in_memory (cf::MAP_SWAPPED);	2411	$self->in_memory (cf::MAP_SWAPPED);
2068		2412
2069	# need to save uniques path	2413	# need to save uniques path
2070	unless ($self->{deny_save}) {	2414	unless ($self->{deny_save}) {
…		…
2074	if $uniq;	2418	if $uniq;
2075	}	2419	}
2076		2420
2077	delete $cf::MAP{$self->path};	2421	delete $cf::MAP{$self->path};
2078		2422
		2423	$self->deactivate;
		2424	$_->clear_links_to ($self) for values %cf::MAP;
2079	$self->clear;	2425	$self->clear;
2080
2081	$_->clear_links_to ($self) for values %cf::MAP;
2082		2426
2083	$self->unlink_save;	2427	$self->unlink_save;
2084	$self->destroy;	2428	$self->destroy;
2085	}	2429	}
2086		2430
…		…
2094		2438
2095	delete $cf::MAP{$self->path};	2439	delete $cf::MAP{$self->path};
2096		2440
2097	$self->unlink_save;	2441	$self->unlink_save;
2098		2442
2099	bless $self, "cf::map";	2443	bless $self, "cf::map::wrap";
2100	delete $self->{deny_reset};	2444	delete $self->{deny_reset};
2101	$self->{deny_save} = 1;	2445	$self->{deny_save} = 1;
2102	$self->reset_timeout (1);	2446	$self->reset_timeout (1);
2103	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2447	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2104		2448
…		…
2153		2497
2154	sub unique_maps() {	2498	sub unique_maps() {
2155	[	2499	[
2156	map {	2500	map {
2157	utf8::decode $_;	2501	utf8::decode $_;
2158	/\.map$/	2502	s/\.map$//; # TODO future compatibility hack
		2503	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2504	? ()
2159	? normalise $_	2505	: normalise $_
2160	: ()
2161	} @{ aio_readdir $UNIQUEDIR or [] }	2506	} @{ aio_readdir $UNIQUEDIR or [] }
2162	]	2507	]
2163	}	2508	}
2164		2509
2165	package cf;	2510	=item cf::map::static_maps
		2511
		2512	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2513	file in the shared directory excluding F</styles> and F</editor>). May
		2514	block.
		2515
		2516	=cut
		2517
		2518	sub static_maps() {
		2519	my @dirs = "";
		2520	my @maps;
		2521
		2522	while (@dirs) {
		2523	my $dir = shift @dirs;
		2524
		2525	next if $dir eq "/styles" || $dir eq "/editor";
		2526
		2527	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2528	or return;
		2529
		2530	for (@$files) {
		2531	s/\.map$// or next;
		2532	utf8::decode $_;
		2533	push @maps, "$dir/$_";
		2534	}
		2535
		2536	push @dirs, map "$dir/$_", @$dirs;
		2537	}
		2538
		2539	\@maps
		2540	}
2166		2541
2167	=back	2542	=back
2168		2543
2169	=head3 cf::object	2544	=head3 cf::object
2170		2545
…		…
2174		2549
2175	=over 4	2550	=over 4
2176		2551
2177	=item $ob->inv_recursive	2552	=item $ob->inv_recursive
2178		2553
2179	Returns the inventory of the object _and_ their inventories, recursively.	2554	Returns the inventory of the object I<and> their inventories, recursively,
		2555	but I<not> the object itself.
2180		2556
2181	=cut	2557	=cut
2182		2558
2183	sub inv_recursive_;	2559	sub inv_recursive_;
2184	sub inv_recursive_ {	2560	sub inv_recursive_ {
…		…
2187		2563
2188	sub inv_recursive {	2564	sub inv_recursive {
2189	inv_recursive_ inv $_[0]	2565	inv_recursive_ inv $_[0]
2190	}	2566	}
2191		2567
		2568	=item $ref = $ob->ref
		2569
		2570	Creates and returns a persistent reference to an object that can be stored as a string.
		2571
		2572	=item $ob = cf::object::deref ($refstring)
		2573
		2574	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2575	even if the object actually exists. May block.
		2576
		2577	=cut
		2578
		2579	sub deref {
		2580	my ($ref) = @_;
		2581
		2582	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2583	my ($uuid, $name) = ($1, $2);
		2584	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2585	or return;
		2586	$pl->ob->uuid eq $uuid
		2587	or return;
		2588
		2589	$pl->ob
		2590	} else {
		2591	warn "$ref: cannot resolve object reference\n";
		2592	undef
		2593	}
		2594	}
		2595
2192	package cf;	2596	package cf;
2193		2597
2194	=back	2598	=back
2195		2599
2196	=head3 cf::object::player	2600	=head3 cf::object::player
…		…
2202	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2606	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2203	can be C<undef>. Does the right thing when the player is currently in a	2607	can be C<undef>. Does the right thing when the player is currently in a
2204	dialogue with the given NPC character.	2608	dialogue with the given NPC character.
2205		2609
2206	=cut	2610	=cut
		2611
		2612	our $SAY_CHANNEL = {
		2613	id => "say",
		2614	title => "Map",
		2615	reply => "say ",
		2616	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2617	};
		2618
		2619	our $CHAT_CHANNEL = {
		2620	id => "chat",
		2621	title => "Chat",
		2622	reply => "chat ",
		2623	tooltip => "Player chat and shouts, global to the server.",
		2624	};
2207		2625
2208	# rough implementation of a future "reply" method that works	2626	# rough implementation of a future "reply" method that works
2209	# with dialog boxes.	2627	# with dialog boxes.
2210	#TODO: the first argument must go, split into a $npc->reply_to ( method	2628	#TODO: the first argument must go, split into a $npc->reply_to ( method
2211	sub cf::object::player::reply($$$;$) {	2629	sub cf::object::player::reply($$$;$) {
…		…
2223	my $dialog = $pl->{npc_dialog};	2641	my $dialog = $pl->{npc_dialog};
2224	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2642	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2225		2643
2226	} else {	2644	} else {
2227	$msg = $npc->name . " says: $msg" if $npc;	2645	$msg = $npc->name . " says: $msg" if $npc;
2228	$self->message ($msg, $flags);	2646	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2229	}	2647	}
2230	}	2648	}
2231	}	2649	}
2232		2650
2233	=item $object->send_msg ($channel, $msg, $color, [extra...])	2651	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2258		2676
2259	=item $player_object->enter_link	2677	=item $player_object->enter_link
2260		2678
2261	Freezes the player and moves him/her to a special map (C<{link}>).	2679	Freezes the player and moves him/her to a special map (C<{link}>).
2262		2680
2263	The player should be reasonably safe there for short amounts of time. You	2681	The player should be reasonably safe there for short amounts of time (e.g.
2264	I<MUST> call C<leave_link> as soon as possible, though.	2682	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2683	though, as the player cannot control the character while it is on the link
		2684	map.
2265		2685
2266	Will never block.	2686	Will never block.
2267		2687
2268	=item $player_object->leave_link ($map, $x, $y)	2688	=item $player_object->leave_link ($map, $x, $y)
2269		2689
…		…
2289	sub cf::object::player::enter_link {	2709	sub cf::object::player::enter_link {
2290	my ($self) = @_;	2710	my ($self) = @_;
2291		2711
2292	$self->deactivate_recursive;	2712	$self->deactivate_recursive;
2293		2713
		2714	++$self->{_link_recursion};
		2715
2294	return if UNIVERSAL::isa $self->map, "ext::map_link";	2716	return if UNIVERSAL::isa $self->map, "ext::map_link";
2295		2717
2296	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2718	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2297	if $self->map && $self->map->{path} ne "{link}";	2719	if $self->map && $self->map->{path} ne "{link}";
2298		2720
2299	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2721	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2300	}	2722	}
2301		2723
2302	sub cf::object::player::leave_link {	2724	sub cf::object::player::leave_link {
2303	my ($self, $map, $x, $y) = @_;	2725	my ($self, $map, $x, $y) = @_;
2304		2726
…		…
2321	($x, $y) = (-1, -1)	2743	($x, $y) = (-1, -1)
2322	unless (defined $x) && (defined $y);	2744	unless (defined $x) && (defined $y);
2323		2745
2324	# use -1 or undef as default coordinates, not 0, 0	2746	# use -1 or undef as default coordinates, not 0, 0
2325	($x, $y) = ($map->enter_x, $map->enter_y)	2747	($x, $y) = ($map->enter_x, $map->enter_y)
2326	if $x <=0 && $y <= 0;	2748	if $x <= 0 && $y <= 0;
2327		2749
2328	$map->load;	2750	$map->load;
2329	$map->load_neighbours;	2751	$map->load_neighbours;
2330		2752
2331	return unless $self->contr->active;	2753	return unless $self->contr->active;
2332	$self->activate_recursive;
2333		2754
2334	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2755	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2335	$self->enter_map ($map, $x, $y);	2756	if ($self->enter_map ($map, $x, $y)) {
2336	}	2757	# entering was successful
		2758	delete $self->{_link_recursion};
		2759	# only activate afterwards, to support waiting in hooks
		2760	$self->activate_recursive;
		2761	}
2337		2762
		2763	}
		2764
2338	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2765	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2339		2766
2340	Moves the player to the given map-path and coordinates by first freezing	2767	Moves the player to the given map-path and coordinates by first freezing
2341	her, loading and preparing them map, calling the provided $check callback	2768	her, loading and preparing them map, calling the provided $check callback
2342	that has to return the map if sucecssful, and then unfreezes the player on	2769	that has to return the map if sucecssful, and then unfreezes the player on
2343	the new (success) or old (failed) map position. In either case, $done will	2770	the new (success) or old (failed) map position. In either case, $done will
2344	be called at the end of this process.	2771	be called at the end of this process.
2345		2772
		2773	Note that $check will be called with a potentially non-loaded map, so if
		2774	it needs a loaded map it has to call C<< ->load >>.
		2775
2346	=cut	2776	=cut
2347		2777
2348	our $GOTOGEN;	2778	our $GOTOGEN;
2349		2779
2350	sub cf::object::player::goto {	2780	sub cf::object::player::goto {
2351	my ($self, $path, $x, $y, $check, $done) = @_;	2781	my ($self, $path, $x, $y, $check, $done) = @_;
2352		2782
		2783	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2784	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2785	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2786	($path, $x, $y) = @$EMERGENCY_POSITION;
		2787	}
		2788
2353	# do generation counting so two concurrent goto's will be executed in-order	2789	# do generation counting so two concurrent goto's will be executed in-order
2354	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2790	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2355		2791
2356	$self->enter_link;	2792	$self->enter_link;
2357		2793
2358	(async {	2794	(async {
		2795	$Coro::current->{desc} = "player::goto $path $x $y";
		2796
		2797	# *tag paths override both path and x|y
		2798	if ($path =~ /^\*(.*)$/) {
		2799	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2800	my $ob = $obs[rand @obs];
		2801
		2802	# see if we actually can go there
		2803	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2804	$ob = $obs[rand @obs];
		2805	} else {
		2806	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2807	}
		2808	# else put us there anyways for now #d#
		2809
		2810	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2811	} else {
		2812	($path, $x, $y) = (undef, undef, undef);
		2813	}
		2814	}
		2815
2359	my $map = eval {	2816	my $map = eval {
2360	my $map = cf::map::find $path;	2817	my $map = defined $path ? cf::map::find $path : undef;
2361		2818
2362	if ($map) {	2819	if ($map) {
2363	$map = $map->customise_for ($self);	2820	$map = $map->customise_for ($self);
2364	$map = $check->($map) if $check && $map;	2821	$map = $check->($map, $x, $y, $self) if $check && $map;
2365	} else {	2822	} else {
2366	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2823	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2367	}	2824	}
2368		2825
2369	$map	2826	$map
2370	};	2827	};
2371		2828
…		…
2377	if ($gen == $self->{_goto_generation}) {	2834	if ($gen == $self->{_goto_generation}) {
2378	delete $self->{_goto_generation};	2835	delete $self->{_goto_generation};
2379	$self->leave_link ($map, $x, $y);	2836	$self->leave_link ($map, $x, $y);
2380	}	2837	}
2381		2838
2382	$done->() if $done;	2839	$done->($self) if $done;
2383	})->prio (1);	2840	})->prio (1);
2384	}	2841	}
2385		2842
2386	=item $player_object->enter_exit ($exit_object)	2843	=item $player_object->enter_exit ($exit_object)
2387		2844
…		…
2407	}	2864	}
2408		2865
2409	sub prepare_random_map {	2866	sub prepare_random_map {
2410	my ($exit) = @_;	2867	my ($exit) = @_;
2411		2868
2412	my $guard = cf::lock_acquire "exit_prepare:$exit";
2413
2414	# all this does is basically replace the /! path by	2869	# all this does is basically replace the /! path by
2415	# a new random map path (?random/...) with a seed	2870	# a new random map path (?random/...) with a seed
2416	# that depends on the exit object	2871	# that depends on the exit object
2417		2872
2418	my $rmp = parse_random_map_params $exit->msg;	2873	my $rmp = parse_random_map_params $exit->msg;
…		…
2420	if ($exit->map) {	2875	if ($exit->map) {
2421	$rmp->{region} = $exit->region->name;	2876	$rmp->{region} = $exit->region->name;
2422	$rmp->{origin_map} = $exit->map->path;	2877	$rmp->{origin_map} = $exit->map->path;
2423	$rmp->{origin_x} = $exit->x;	2878	$rmp->{origin_x} = $exit->x;
2424	$rmp->{origin_y} = $exit->y;	2879	$rmp->{origin_y} = $exit->y;
		2880
		2881	$exit->map->touch;
2425	}	2882	}
2426		2883
2427	$rmp->{random_seed} ||= $exit->random_seed;	2884	$rmp->{random_seed} ||= $exit->random_seed;
2428		2885
2429	my $data = cf::to_json $rmp;	2886	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2430	my $md5 = Digest::MD5::md5_hex $data;	2887	my $md5 = Digest::MD5::md5_hex $data;
2431	my $meta = "$RANDOMDIR/$md5.meta";	2888	my $meta = "$RANDOMDIR/$md5.meta";
2432		2889
2433	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2890	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2434	aio_write $fh, 0, (length $data), $data, 0;	2891	aio_write $fh, 0, (length $data), $data, 0;
2435	undef $fh;	2892	undef $fh;
2436	aio_rename "$meta~", $meta;	2893	aio_rename "$meta~", $meta;
2437		2894
		2895	my $slaying = "?random/$md5";
		2896
		2897	if ($exit->valid) {
2438	$exit->slaying ("?random/$md5");	2898	$exit->slaying ("?random/$md5");
2439	$exit->msg (undef);	2899	$exit->msg (undef);
		2900	}
2440	}	2901	}
2441	}	2902	}
2442		2903
2443	sub cf::object::player::enter_exit {	2904	sub cf::object::player::enter_exit {
2444	my ($self, $exit) = @_;	2905	my ($self, $exit) = @_;
2445		2906
2446	return unless $self->type == cf::PLAYER;	2907	return unless $self->type == cf::PLAYER;
2447		2908
2448	if ($exit->slaying eq "/!") {
2449	#TODO: this should de-fi-ni-te-ly not be a sync-job
2450	# the problem is that $exit might not survive long enough
2451	# so it needs to be done right now, right here
2452	cf::sync_job { prepare_random_map $exit };
2453	}
2454
2455	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2456	my $hp = $exit->stats->hp;
2457	my $sp = $exit->stats->sp;
2458
2459	$self->enter_link;	2909	$self->enter_link;
2460		2910
2461	# if exit is damned, update players death & WoR home-position
2462	$self->contr->savebed ($slaying, $hp, $sp)
2463	if $exit->flag (FLAG_DAMNED);
2464
2465	(async {	2911	(async {
2466	$self->deactivate_recursive; # just to be sure	2912	$Coro::current->{desc} = "enter_exit";
		2913
2467	unless (eval {	2914	unless (eval {
		2915	$self->deactivate_recursive; # just to be sure
		2916
		2917	# random map handling
		2918	{
		2919	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2920
		2921	prepare_random_map $exit
		2922	if $exit->slaying eq "/!";
		2923	}
		2924
		2925	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2926	my $x = $exit->stats->hp;
		2927	my $y = $exit->stats->sp;
		2928
2468	$self->goto ($slaying, $hp, $sp);	2929	$self->goto ($map, $x, $y);
2469		2930
		2931	# if exit is damned, update players death & WoR home-position
		2932	$self->contr->savebed ($map, $x, $y)
		2933	if $exit->flag (cf::FLAG_DAMNED);
		2934
2470	1;	2935	1
2471	}) {	2936	}) {
2472	$self->message ("Something went wrong deep within the crossfire server. "	2937	$self->message ("Something went wrong deep within the deliantra server. "
2473	. "I'll try to bring you back to the map you were before. "	2938	. "I'll try to bring you back to the map you were before. "
2474	. "Please report this to the dungeon master!",	2939	. "Please report this to the dungeon master!",
2475	cf::NDI_UNIQUE | cf::NDI_RED);	2940	cf::NDI_UNIQUE | cf::NDI_RED);
2476		2941
2477	warn "ERROR in enter_exit: $@";	2942	error "ERROR in enter_exit: $@";
2478	$self->leave_link;	2943	$self->leave_link;
2479	}	2944	}
2480	})->prio (1);	2945	})->prio (1);
2481	}	2946	}
2482		2947
…		…
2494	sub cf::client::send_drawinfo {	2959	sub cf::client::send_drawinfo {
2495	my ($self, $text, $flags) = @_;	2960	my ($self, $text, $flags) = @_;
2496		2961
2497	utf8::encode $text;	2962	utf8::encode $text;
2498	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2963	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2964	}
		2965
		2966	=item $client->send_big_packet ($pkt)
		2967
		2968	Like C<send_packet>, but tries to compress large packets, and fragments
		2969	them as required.
		2970
		2971	=cut
		2972
		2973	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2974
		2975	sub cf::client::send_big_packet {
		2976	my ($self, $pkt) = @_;
		2977
		2978	# try lzf for large packets
		2979	$pkt = "lzf " . Compress::LZF::compress $pkt
		2980	if 1024 <= length $pkt and $self->{can_lzf};
		2981
		2982	# split very large packets
		2983	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2984	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2985	$pkt = "frag";
		2986	}
		2987
		2988	$self->send_packet ($pkt);
2499	}	2989	}
2500		2990
2501	=item $client->send_msg ($channel, $msg, $color, [extra...])	2991	=item $client->send_msg ($channel, $msg, $color, [extra...])
2502		2992
2503	Send a drawinfo or msg packet to the client, formatting the msg for the	2993	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2505	the message, with C<log> being the default. If C<$color> is negative, suppress	2995	the message, with C<log> being the default. If C<$color> is negative, suppress
2506	the message unless the client supports the msg packet.	2996	the message unless the client supports the msg packet.
2507		2997
2508	=cut	2998	=cut
2509		2999
		3000	# non-persistent channels (usually the info channel)
2510	our %CHANNEL = (	3001	our %CHANNEL = (
		3002	"c/motd" => {
		3003	id => "infobox",
		3004	title => "MOTD",
		3005	reply => undef,
		3006	tooltip => "The message of the day",
		3007	},
2511	"c/identify" => {	3008	"c/identify" => {
2512	id => "identify",	3009	id => "infobox",
2513	title => "Identify",	3010	title => "Identify",
2514	reply => undef,	3011	reply => undef,
2515	tooltip => "Items recently identified",	3012	tooltip => "Items recently identified",
2516	},	3013	},
2517	"c/examine" => {	3014	"c/examine" => {
2518	id => "examine",	3015	id => "infobox",
2519	title => "Examine",	3016	title => "Examine",
2520	reply => undef,	3017	reply => undef,
2521	tooltip => "Signs and other items you examined",	3018	tooltip => "Signs and other items you examined",
2522	},	3019	},
		3020	"c/shopinfo" => {
		3021	id => "infobox",
		3022	title => "Shop Info",
		3023	reply => undef,
		3024	tooltip => "What your bargaining skill tells you about the shop",
		3025	},
		3026	"c/book" => {
		3027	id => "infobox",
		3028	title => "Book",
		3029	reply => undef,
		3030	tooltip => "The contents of a note or book",
		3031	},
		3032	"c/lookat" => {
		3033	id => "infobox",
		3034	title => "Look",
		3035	reply => undef,
		3036	tooltip => "What you saw there",
		3037	},
		3038	"c/who" => {
		3039	id => "infobox",
		3040	title => "Players",
		3041	reply => undef,
		3042	tooltip => "Shows players who are currently online",
		3043	},
		3044	"c/body" => {
		3045	id => "infobox",
		3046	title => "Body Parts",
		3047	reply => undef,
		3048	tooltip => "Shows which body parts you posess and are available",
		3049	},
		3050	"c/statistics" => {
		3051	id => "infobox",
		3052	title => "Statistics",
		3053	reply => undef,
		3054	tooltip => "Shows your primary statistics",
		3055	},
		3056	"c/skills" => {
		3057	id => "infobox",
		3058	title => "Skills",
		3059	reply => undef,
		3060	tooltip => "Shows your experience per skill and item power",
		3061	},
		3062	"c/shopitems" => {
		3063	id => "infobox",
		3064	title => "Shop Items",
		3065	reply => undef,
		3066	tooltip => "Shows the items currently for sale in this shop",
		3067	},
		3068	"c/resistances" => {
		3069	id => "infobox",
		3070	title => "Resistances",
		3071	reply => undef,
		3072	tooltip => "Shows your resistances",
		3073	},
		3074	"c/pets" => {
		3075	id => "infobox",
		3076	title => "Pets",
		3077	reply => undef,
		3078	tooltip => "Shows information abotu your pets/a specific pet",
		3079	},
		3080	"c/perceiveself" => {
		3081	id => "infobox",
		3082	title => "Perceive Self",
		3083	reply => undef,
		3084	tooltip => "You gained detailed knowledge about yourself",
		3085	},
		3086	"c/uptime" => {
		3087	id => "infobox",
		3088	title => "Uptime",
		3089	reply => undef,
		3090	tooltip => "How long the server has been running since last restart",
		3091	},
		3092	"c/mapinfo" => {
		3093	id => "infobox",
		3094	title => "Map Info",
		3095	reply => undef,
		3096	tooltip => "Information related to the maps",
		3097	},
		3098	"c/party" => {
		3099	id => "party",
		3100	title => "Party",
		3101	reply => "gsay ",
		3102	tooltip => "Messages and chat related to your party",
		3103	},
		3104	"c/death" => {
		3105	id => "death",
		3106	title => "Death",
		3107	reply => undef,
		3108	tooltip => "Reason for and more info about your most recent death",
		3109	},
		3110	"c/say" => $SAY_CHANNEL,
		3111	"c/chat" => $CHAT_CHANNEL,
2523	);	3112	);
2524		3113
2525	sub cf::client::send_msg {	3114	sub cf::client::send_msg {
2526	my ($self, $channel, $msg, $color, @extra) = @_;	3115	my ($self, $channel, $msg, $color, @extra) = @_;
2527		3116
2528	$msg = $self->pl->expand_cfpod ($msg);	3117	$msg = $self->pl->expand_cfpod ($msg)
		3118	unless $color & cf::NDI_VERBATIM;
2529		3119
2530	$color &= cf::NDI_CLIENT_MASK; # just in case...	3120	$color &= cf::NDI_CLIENT_MASK; # just in case...
2531		3121
2532	# check predefined channels, for the benefit of C	3122	# check predefined channels, for the benefit of C
2533	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};	3123	if ($CHANNEL{$channel}) {
		3124	$channel = $CHANNEL{$channel};
2534		3125
		3126	$self->ext_msg (channel_info => $channel);
		3127	$channel = $channel->{id};
		3128
2535	if (ref $channel) {	3129	} elsif (ref $channel) {
2536	# send meta info to client, if not yet sent	3130	# send meta info to client, if not yet sent
2537	unless (exists $self->{channel}{$channel->{id}}) {	3131	unless (exists $self->{channel}{$channel->{id}}) {
2538	$self->{channel}{$channel->{id}} = $channel;	3132	$self->{channel}{$channel->{id}} = $channel;
2539	$self->ext_msg (channel_info => $channel);	3133	$self->ext_msg (channel_info => $channel);
2540	}	3134	}
…		…
2542	$channel = $channel->{id};	3136	$channel = $channel->{id};
2543	}	3137	}
2544		3138
2545	return unless @extra || length $msg;	3139	return unless @extra || length $msg;
2546		3140
2547	if ($self->can_msg) {
2548	# default colour, mask it out	3141	# default colour, mask it out
2549	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3142	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2550	if $color & cf::NDI_DEF;	3143	if $color & cf::NDI_DEF;
2551		3144
2552	$self->send_packet ("msg " . $self->{json_coder}->encode (	3145	my $pkt = "msg "
		3146	. $self->{json_coder}->encode (
2553	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3147	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2554	} else {	3148	);
2555	if ($color >= 0) {
2556	# replace some tags by gcfclient-compatible ones
2557	for ($msg) {
2558	1 while
2559	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2560	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2561	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2562	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2563	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2564	}
2565		3149
2566	$color &= cf::NDI_COLOR_MASK;	3150	$self->send_big_packet ($pkt);
2567
2568	utf8::encode $msg;
2569
2570	if (0 && $msg =~ /\[/) {
2571	# COMMAND/INFO
2572	$self->send_packet ("drawextinfo $color 10 8 $msg")
2573	} else {
2574	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2575	$self->send_packet ("drawinfo $color $msg")
2576	}
2577	}
2578	}
2579	}	3151	}
2580		3152
2581	=item $client->ext_msg ($type, @msg)	3153	=item $client->ext_msg ($type, @msg)
2582		3154
2583	Sends an ext event to the client.	3155	Sends an ext event to the client.
…		…
2586		3158
2587	sub cf::client::ext_msg($$@) {	3159	sub cf::client::ext_msg($$@) {
2588	my ($self, $type, @msg) = @_;	3160	my ($self, $type, @msg) = @_;
2589		3161
2590	if ($self->extcmd == 2) {	3162	if ($self->extcmd == 2) {
2591	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3163	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2592	} elsif ($self->extcmd == 1) { # TODO: remove	3164	} elsif ($self->extcmd == 1) { # TODO: remove
2593	push @msg, msgtype => "event_$type";	3165	push @msg, msgtype => "event_$type";
2594	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3166	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2595	}	3167	}
2596	}	3168	}
2597		3169
2598	=item $client->ext_reply ($msgid, @msg)	3170	=item $client->ext_reply ($msgid, @msg)
2599		3171
…		…
2603		3175
2604	sub cf::client::ext_reply($$@) {	3176	sub cf::client::ext_reply($$@) {
2605	my ($self, $id, @msg) = @_;	3177	my ($self, $id, @msg) = @_;
2606		3178
2607	if ($self->extcmd == 2) {	3179	if ($self->extcmd == 2) {
2608	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3180	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2609	} elsif ($self->extcmd == 1) {	3181	} elsif ($self->extcmd == 1) {
2610	#TODO: version 1, remove	3182	#TODO: version 1, remove
2611	unshift @msg, msgtype => "reply", msgid => $id;	3183	unshift @msg, msgtype => "reply", msgid => $id;
2612	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3184	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2613	}	3185	}
2614	}	3186	}
2615		3187
2616	=item $success = $client->query ($flags, "text", \&cb)	3188	=item $success = $client->query ($flags, "text", \&cb)
2617		3189
…		…
2688		3260
2689	$ns->ext_reply ($reply, @reply)	3261	$ns->ext_reply ($reply, @reply)
2690	if $reply;	3262	if $reply;
2691		3263
2692	} else {	3264	} else {
2693	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3265	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2694	}	3266	}
2695		3267
2696	cf::override;	3268	cf::override;
2697	},	3269	},
2698	);	3270	);
…		…
2718		3290
2719	$coro	3291	$coro
2720	}	3292	}
2721		3293
2722	cf::client->attach (	3294	cf::client->attach (
2723	on_destroy => sub {	3295	on_client_destroy => sub {
2724	my ($ns) = @_;	3296	my ($ns) = @_;
2725		3297
2726	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3298	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2727	},	3299	},
2728	);	3300	);
…		…
2744	our $safe_hole = new Safe::Hole;	3316	our $safe_hole = new Safe::Hole;
2745		3317
2746	$SIG{FPE} = 'IGNORE';	3318	$SIG{FPE} = 'IGNORE';
2747		3319
2748	$safe->permit_only (Opcode::opset qw(	3320	$safe->permit_only (Opcode::opset qw(
2749	:base_core :base_mem :base_orig :base_math	3321	:base_core :base_mem :base_orig :base_math :base_loop
2750	grepstart grepwhile mapstart mapwhile	3322	grepstart grepwhile mapstart mapwhile
2751	sort time	3323	sort time
2752	));	3324	));
2753		3325
2754	# here we export the classes and methods available to script code	3326	# here we export the classes and methods available to script code
…		…
2756	=pod	3328	=pod
2757		3329
2758	The following functions and methods are available within a safe environment:	3330	The following functions and methods are available within a safe environment:
2759		3331
2760	cf::object	3332	cf::object
2761	contr pay_amount pay_player map x y force_find force_add	3333	contr pay_amount pay_player map x y force_find force_add destroy
2762	insert remove name archname title slaying race decrease_ob_nr	3334	insert remove name archname title slaying race decrease split
		3335	value
2763		3336
2764	cf::object::player	3337	cf::object::player
2765	player	3338	player
2766		3339
2767	cf::player	3340	cf::player
…		…
2772		3345
2773	=cut	3346	=cut
2774		3347
2775	for (	3348	for (
2776	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3349	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2777	insert remove inv name archname title slaying race	3350	insert remove inv nrof name archname title slaying race
2778	decrease_ob_nr)],	3351	decrease split destroy change_exp value msg lore send_msg)],
2779	["cf::object::player" => qw(player)],	3352	["cf::object::player" => qw(player)],
2780	["cf::player" => qw(peaceful)],	3353	["cf::player" => qw(peaceful send_msg)],
2781	["cf::map" => qw(trigger)],	3354	["cf::map" => qw(trigger)],
2782	) {	3355	) {
2783	no strict 'refs';
2784	my ($pkg, @funs) = @$_;	3356	my ($pkg, @funs) = @$_;
2785	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3357	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2786	for @funs;	3358	for @funs;
2787	}	3359	}
2788		3360
…		…
2803		3375
2804	my $qcode = $code;	3376	my $qcode = $code;
2805	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3377	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2806	$qcode =~ s/\n/\\n/g;	3378	$qcode =~ s/\n/\\n/g;
2807		3379
		3380	%vars = (_dummy => 0) unless %vars;
		3381
		3382	my @res;
2808	local $_;	3383	local $_;
2809	local @safe::cf::_safe_eval_args = values %vars;
2810		3384
2811	my $eval =	3385	my $eval =
2812	"do {\n"	3386	"do {\n"
2813	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3387	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2814	. "#line 0 \"{$qcode}\"\n"	3388	. "#line 0 \"{$qcode}\"\n"
2815	. $code	3389	. $code
2816	. "\n}"	3390	. "\n}"
2817	;	3391	;
2818		3392
		3393	if ($CFG{safe_eval}) {
2819	sub_generation_inc;	3394	sub_generation_inc;
		3395	local @safe::cf::_safe_eval_args = values %vars;
2820	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3396	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2821	sub_generation_inc;	3397	sub_generation_inc;
		3398	} else {
		3399	local @cf::_safe_eval_args = values %vars;
		3400	@res = wantarray ? eval eval : scalar eval $eval;
		3401	}
2822		3402
2823	if ($@) {	3403	if ($@) {
2824	warn "$@";	3404	warn "$@",
2825	warn "while executing safe code '$code'\n";	3405	"while executing safe code '$code'\n",
2826	warn "with arguments " . (join " ", %vars) . "\n";	3406	"with arguments " . (join " ", %vars) . "\n";
2827	}	3407	}
2828		3408
2829	wantarray ? @res : $res[0]	3409	wantarray ? @res : $res[0]
2830	}	3410	}
2831		3411
…		…
2845	=cut	3425	=cut
2846		3426
2847	sub register_script_function {	3427	sub register_script_function {
2848	my ($fun, $cb) = @_;	3428	my ($fun, $cb) = @_;
2849		3429
2850	no strict 'refs';	3430	$fun = "safe::$fun" if $CFG{safe_eval};
2851	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3431	*$fun = $safe_hole->wrap ($cb);
2852	}	3432	}
2853		3433
2854	=back	3434	=back
2855		3435
2856	=cut	3436	=cut
…		…
2865	# for this (global event?)	3445	# for this (global event?)
2866	%ext::player_env::MUSIC_FACE_CACHE = ();	3446	%ext::player_env::MUSIC_FACE_CACHE = ();
2867		3447
2868	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3448	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2869		3449
2870	warn "loading facedata from $path\n";	3450	trace "loading facedata from $path\n";
2871		3451
2872	my $facedata;	3452	my $facedata = decode_storable load_file $path;
2873	0 < aio_load $path, $facedata
2874	or die "$path: $!";
2875
2876	$facedata = Coro::Storable::thaw $facedata;
2877		3453
2878	$facedata->{version} == 2	3454	$facedata->{version} == 2
2879	or cf::cleanup "$path: version mismatch, cannot proceed.";	3455	or cf::cleanup "$path: version mismatch, cannot proceed.";
2880		3456
2881	# patch in the exptable	3457	# patch in the exptable
		3458	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2882	$facedata->{resource}{"res/exp_table"} = {	3459	$facedata->{resource}{"res/exp_table"} = {
2883	type => FT_RSRC,	3460	type => FT_RSRC,
2884	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3461	data => $exp_table,
		3462	hash => (Digest::MD5::md5 $exp_table),
2885	};	3463	};
2886	cf::cede_to_tick;	3464	cf::cede_to_tick;
2887		3465
2888	{	3466	{
2889	my $faces = $facedata->{faceinfo};	3467	my $faces = $facedata->{faceinfo};
2890		3468
2891	while (my ($face, $info) = each %$faces) {	3469	while (my ($face, $info) = each %$faces) {
2892	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3470	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3471
2893	cf::face::set_visibility $idx, $info->{visibility};	3472	cf::face::set_visibility $idx, $info->{visibility};
2894	cf::face::set_magicmap $idx, $info->{magicmap};	3473	cf::face::set_magicmap $idx, $info->{magicmap};
2895	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3474	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2896	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3475	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3476	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2897		3477
2898	cf::cede_to_tick;	3478	cf::cede_to_tick;
2899	}	3479	}
2900		3480
2901	while (my ($face, $info) = each %$faces) {	3481	while (my ($face, $info) = each %$faces) {
2902	next unless $info->{smooth};	3482	next unless $info->{smooth};
		3483
2903	my $idx = cf::face::find $face	3484	my $idx = cf::face::find $face
2904	or next;	3485	or next;
		3486
2905	if (my $smooth = cf::face::find $info->{smooth}) {	3487	if (my $smooth = cf::face::find $info->{smooth}) {
2906	cf::face::set_smooth $idx, $smooth;	3488	cf::face::set_smooth $idx, $smooth;
2907	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3489	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2908	} else {	3490	} else {
2909	warn "smooth face '$info->{smooth}' not found for face '$face'";	3491	error "smooth face '$info->{smooth}' not found for face '$face'";
2910	}	3492	}
2911		3493
2912	cf::cede_to_tick;	3494	cf::cede_to_tick;
2913	}	3495	}
2914	}	3496	}
…		…
2923		3505
2924	cf::anim::invalidate_all; # d'oh	3506	cf::anim::invalidate_all; # d'oh
2925	}	3507	}
2926		3508
2927	{	3509	{
2928	# TODO: for gcfclient pleasure, we should give resources
2929	# that gcfclient doesn't grok a >10000 face index.
2930	my $res = $facedata->{resource};	3510	my $res = $facedata->{resource};
2931		3511
2932	my $soundconf = delete $res->{"res/sound.conf"};
2933
2934	while (my ($name, $info) = each %$res) {	3512	while (my ($name, $info) = each %$res) {
		3513	if (defined $info->{type}) {
2935	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3514	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2936	my $data;
2937		3515
2938	if ($info->{type} & 1) {	3516	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
2939	# prepend meta info	3517	cf::face::set_type $idx, $info->{type};
2940
2941	my $meta = $enc->encode ({
2942	name => $name,
2943	%{ $info->{meta} || {} },
2944	});
2945
2946	$data = pack "(w/a*)*", $meta, $info->{data};
2947	} else {	3518	} else {
2948	$data = $info->{data};	3519	$RESOURCE{$name} = $info; # unused
2949	}	3520	}
2950		3521
2951	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2952	cf::face::set_type $idx, $info->{type};
2953
2954	cf::cede_to_tick;	3522	cf::cede_to_tick;
2955	}	3523	}
2956
2957	if ($soundconf) {
2958	$soundconf = $enc->decode (delete $soundconf->{data});
2959
2960	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2961	my $sound = $soundconf->{compat}[$_]
2962	or next;
2963
2964	my $face = cf::face::find "sound/$sound->[1]";
2965	cf::sound::set $sound->[0] => $face;
2966	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2967	}
2968
2969	while (my ($k, $v) = each %{$soundconf->{event}}) {
2970	my $face = cf::face::find "sound/$v";
2971	cf::sound::set $k => $face;
2972	}
2973	}
2974	}	3524	}
		3525
		3526	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2975		3527
2976	1	3528	1
2977	}	3529	}
2978		3530
2979	register_exticmd fx_want => sub {	3531	register_exticmd fx_want => sub {
…		…
2981		3533
2982	while (my ($k, $v) = each %$want) {	3534	while (my ($k, $v) = each %$want) {
2983	$ns->fx_want ($k, $v);	3535	$ns->fx_want ($k, $v);
2984	}	3536	}
2985	};	3537	};
		3538
		3539	sub load_resource_file($) {
		3540	my $guard = lock_acquire "load_resource_file";
		3541
		3542	my $status = load_resource_file_ $_[0];
		3543	get_slot 0.1, 100;
		3544	cf::arch::commit_load;
		3545
		3546	$status
		3547	}
2986		3548
2987	sub reload_regions {	3549	sub reload_regions {
2988	# HACK to clear player env face cache, we need some signal framework	3550	# HACK to clear player env face cache, we need some signal framework
2989	# for this (global event?)	3551	# for this (global event?)
2990	%ext::player_env::MUSIC_FACE_CACHE = ();	3552	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3004	}	3566	}
3005		3567
3006	sub reload_archetypes {	3568	sub reload_archetypes {
3007	load_resource_file "$DATADIR/archetypes"	3569	load_resource_file "$DATADIR/archetypes"
3008	or die "unable to load archetypes\n";	3570	or die "unable to load archetypes\n";
3009	#d# NEED to laod twice to resolve forward references
3010	# this really needs to be done in an extra post-pass
3011	# (which needs to be synchronous, so solve it differently)
3012	load_resource_file "$DATADIR/archetypes"
3013	or die "unable to load archetypes\n";
3014	}	3571	}
3015		3572
3016	sub reload_treasures {	3573	sub reload_treasures {
3017	load_resource_file "$DATADIR/treasures"	3574	load_resource_file "$DATADIR/treasures"
3018	or die "unable to load treasurelists\n";	3575	or die "unable to load treasurelists\n";
3019	}	3576	}
3020		3577
		3578	sub reload_sound {
		3579	trace "loading sound config from $DATADIR/sound\n";
		3580
		3581	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3582
		3583	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3584	my $sound = $soundconf->{compat}[$_]
		3585	or next;
		3586
		3587	my $face = cf::face::find "sound/$sound->[1]";
		3588	cf::sound::set $sound->[0] => $face;
		3589	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3590	}
		3591
		3592	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3593	my $face = cf::face::find "sound/$v";
		3594	cf::sound::set $k => $face;
		3595	}
		3596	}
		3597
3021	sub reload_resources {	3598	sub reload_resources {
3022	warn "reloading resource files...\n";	3599	trace "reloading resource files...\n";
3023		3600
		3601	reload_exp_table;
		3602	reload_materials;
		3603	reload_facedata;
		3604	reload_sound;
		3605	reload_archetypes;
3024	reload_regions;	3606	reload_regions;
3025	reload_facedata;
3026	#reload_archetypes;#d#
3027	reload_archetypes;
3028	reload_treasures;	3607	reload_treasures;
3029		3608
3030	warn "finished reloading resource files\n";	3609	trace "finished reloading resource files\n";
3031	}
3032
3033	sub init {
3034	reload_resources;
3035	}	3610	}
3036		3611
3037	sub reload_config {	3612	sub reload_config {
3038	open my $fh, "<:utf8", "$CONFDIR/config"	3613	trace "reloading config file...\n";
3039	or return;
3040		3614
3041	local $/;	3615	my $config = load_file "$CONFDIR/config";
3042	*CFG = YAML::Syck::Load <$fh>;	3616	utf8::decode $config;
		3617	*CFG = decode_yaml $config;
3043		3618
3044	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3619	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3045		3620
3046	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3621	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3047	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3622	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3048		3623
3049	if (exists $CFG{mlockall}) {	3624	if (exists $CFG{mlockall}) {
…		…
3053	};	3628	};
3054	warn $@ if $@;	3629	warn $@ if $@;
3055	}	3630	}
3056	}	3631	}
3057		3632
		3633	sub pidfile() {
		3634	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3635	or die "$PIDFILE: $!";
		3636	flock $fh, &Fcntl::LOCK_EX
		3637	or die "$PIDFILE: flock: $!";
		3638	$fh
		3639	}
		3640
		3641	# make sure only one server instance is running at any one time
		3642	sub atomic {
		3643	my $fh = pidfile;
		3644
		3645	my $pid = <$fh>;
		3646	kill 9, $pid if $pid > 0;
		3647
		3648	seek $fh, 0, 0;
		3649	print $fh $$;
		3650	}
		3651
		3652	sub main_loop {
		3653	trace "EV::loop starting\n";
		3654	if (1) {
		3655	EV::loop;
		3656	}
		3657	trace "EV::loop returned\n";
		3658	goto &main_loop unless $REALLY_UNLOOP;
		3659	}
		3660
3058	sub main {	3661	sub main {
		3662	cf::init_globals; # initialise logging
		3663
		3664	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3665	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3666	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3667	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3668
		3669	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3670
3059	# we must not ever block the main coroutine	3671	# we must not ever block the main coroutine
3060	local $Coro::idle = sub {	3672	local $Coro::idle = sub {
3061	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3673	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3062	(async {	3674	(async {
3063	Event::one_event;	3675	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3676	EV::loop EV::LOOP_ONESHOT;
3064	})->prio (Coro::PRIO_MAX);	3677	})->prio (Coro::PRIO_MAX);
3065	};	3678	};
3066		3679
		3680	evthread_start IO::AIO::poll_fileno;
		3681
		3682	cf::sync_job {
		3683	cf::incloader::init ();
		3684
		3685	cf::init_anim;
		3686	cf::init_attackmess;
		3687	cf::init_dynamic;
		3688
		3689	cf::load_settings;
		3690
		3691	reload_resources;
3067	reload_config;	3692	reload_config;
3068	db_init;	3693	db_init;
		3694
		3695	cf::init_uuid;
		3696	cf::init_signals;
		3697	cf::init_skills;
		3698
		3699	cf::init_beforeplay;
		3700
		3701	atomic;
		3702
3069	load_extensions;	3703	load_extensions;
3070		3704
3071	$TICK_WATCHER->start;	3705	utime time, time, $RUNTIMEFILE;
3072	Event::loop;	3706
		3707	# no (long-running) fork's whatsoever before this point(!)
		3708	use POSIX ();
		3709	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3710
		3711	cf::_post_init 0;
		3712	};
		3713
		3714	cf::object::thawer::errors_are_fatal 0;
		3715	info "parse errors in files are no longer fatal from this point on.\n";
		3716
		3717	my $free_main; $free_main = EV::idle sub {
		3718	undef $free_main;
		3719	undef &main; # free gobs of memory :)
		3720	};
		3721
		3722	goto &main_loop;
3073	}	3723	}
3074		3724
3075	#############################################################################	3725	#############################################################################
3076	# initialisation and cleanup	3726	# initialisation and cleanup
3077		3727
3078	# install some emergency cleanup handlers	3728	# install some emergency cleanup handlers
3079	BEGIN {	3729	BEGIN {
		3730	our %SIGWATCHER = ();
3080	for my $signal (qw(INT HUP TERM)) {	3731	for my $signal (qw(INT HUP TERM)) {
3081	Event->signal (	3732	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3082	reentrant => 0,
3083	data => WF_AUTOCANCEL,
3084	signal => $signal,
3085	prio => 0,
3086	cb => sub {
3087	cf::cleanup "SIG$signal";	3733	cf::cleanup "SIG$signal";
3088	},
3089	);	3734	};
3090	}	3735	}
3091	}	3736	}
3092		3737
3093	sub write_runtime {	3738	sub write_runtime_sync {
3094	my $runtime = "$LOCALDIR/runtime";	3739	my $t0 = AE::time;
3095		3740
3096	# first touch the runtime file to show we are still running:	3741	# first touch the runtime file to show we are still running:
3097	# the fsync below can take a very very long time.	3742	# the fsync below can take a very very long time.
3098		3743
3099	IO::AIO::aio_utime $runtime, undef, undef;	3744	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3100		3745
3101	my $guard = cf::lock_acquire "write_runtime";	3746	my $guard = cf::lock_acquire "write_runtime";
3102		3747
3103	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3748	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3104	or return;	3749	or return;
3105		3750
3106	my $value = $cf::RUNTIME + 90 + 10;	3751	my $value = $cf::RUNTIME + 90 + 10;
3107	# 10 is the runtime save interval, for a monotonic clock	3752	# 10 is the runtime save interval, for a monotonic clock
3108	# 60 allows for the watchdog to kill the server.	3753	# 60 allows for the watchdog to kill the server.
…		…
3118	aio_utime $fh, undef, undef;	3763	aio_utime $fh, undef, undef;
3119		3764
3120	close $fh	3765	close $fh
3121	or return;	3766	or return;
3122		3767
3123	aio_rename "$runtime~", $runtime	3768	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3124	and return;	3769	and return;
3125		3770
3126	warn "runtime file written.\n";	3771	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3127		3772
3128	1	3773	1
		3774	}
		3775
		3776	our $uuid_lock;
		3777	our $uuid_skip;
		3778
		3779	sub write_uuid_sync($) {
		3780	$uuid_skip ||= $_[0];
		3781
		3782	return if $uuid_lock;
		3783	local $uuid_lock = 1;
		3784
		3785	my $uuid = "$LOCALDIR/uuid";
		3786
		3787	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3788	or return;
		3789
		3790	my $value = uuid_seq uuid_cur;
		3791
		3792	unless ($value) {
		3793	info "cowardly refusing to write zero uuid value!\n";
		3794	return;
		3795	}
		3796
		3797	my $value = uuid_str $value + $uuid_skip;
		3798	$uuid_skip = 0;
		3799
		3800	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3801	and return;
		3802
		3803	# always fsync - this file is important
		3804	aio_fsync $fh
		3805	and return;
		3806
		3807	close $fh
		3808	or return;
		3809
		3810	aio_rename "$uuid~", $uuid
		3811	and return;
		3812
		3813	trace "uuid file written ($value).\n";
		3814
		3815	1
		3816
		3817	}
		3818
		3819	sub write_uuid($$) {
		3820	my ($skip, $sync) = @_;
		3821
		3822	$sync ? write_uuid_sync $skip
		3823	: async { write_uuid_sync $skip };
3129	}	3824	}
3130		3825
3131	sub emergency_save() {	3826	sub emergency_save() {
3132	my $freeze_guard = cf::freeze_mainloop;	3827	my $freeze_guard = cf::freeze_mainloop;
3133		3828
3134	warn "enter emergency perl save\n";	3829	info "emergency_perl_save: enter\n";
		3830
		3831	# this is a trade-off: we want to be very quick here, so
		3832	# save all maps without fsync, and later call a global sync
		3833	# (which in turn might be very very slow)
		3834	local $USE_FSYNC = 0;
3135		3835
3136	cf::sync_job {	3836	cf::sync_job {
		3837	cf::write_runtime_sync; # external watchdog should not bark
		3838
3137	# use a peculiar iteration method to avoid tripping on perl	3839	# use a peculiar iteration method to avoid tripping on perl
3138	# refcount bugs in for. also avoids problems with players	3840	# refcount bugs in for. also avoids problems with players
3139	# and maps saved/destroyed asynchronously.	3841	# and maps saved/destroyed asynchronously.
3140	warn "begin emergency player save\n";	3842	info "emergency_perl_save: begin player save\n";
3141	for my $login (keys %cf::PLAYER) {	3843	for my $login (keys %cf::PLAYER) {
3142	my $pl = $cf::PLAYER{$login} or next;	3844	my $pl = $cf::PLAYER{$login} or next;
3143	$pl->valid or next;	3845	$pl->valid or next;
		3846	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3144	$pl->save;	3847	$pl->save;
3145	}	3848	}
3146	warn "end emergency player save\n";	3849	info "emergency_perl_save: end player save\n";
3147		3850
3148	warn "begin emergency map save\n";	3851	cf::write_runtime_sync; # external watchdog should not bark
		3852
		3853	info "emergency_perl_save: begin map save\n";
3149	for my $path (keys %cf::MAP) {	3854	for my $path (keys %cf::MAP) {
3150	my $map = $cf::MAP{$path} or next;	3855	my $map = $cf::MAP{$path} or next;
3151	$map->valid or next;	3856	$map->valid or next;
3152	$map->save;	3857	$map->save;
3153	}	3858	}
3154	warn "end emergency map save\n";	3859	info "emergency_perl_save: end map save\n";
3155		3860
3156	warn "begin emergency database checkpoint\n";	3861	cf::write_runtime_sync; # external watchdog should not bark
		3862
		3863	info "emergency_perl_save: begin database checkpoint\n";
3157	BDB::db_env_txn_checkpoint $DB_ENV;	3864	BDB::db_env_txn_checkpoint $DB_ENV;
3158	warn "end emergency database checkpoint\n";	3865	info "emergency_perl_save: end database checkpoint\n";
		3866
		3867	info "emergency_perl_save: begin write uuid\n";
		3868	write_uuid_sync 1;
		3869	info "emergency_perl_save: end write uuid\n";
		3870
		3871	cf::write_runtime_sync; # external watchdog should not bark
		3872
		3873	trace "emergency_perl_save: syncing database to disk";
		3874	BDB::db_env_txn_checkpoint $DB_ENV;
		3875
		3876	info "emergency_perl_save: starting sync\n";
		3877	IO::AIO::aio_sync sub {
		3878	info "emergency_perl_save: finished sync\n";
		3879	};
		3880
		3881	cf::write_runtime_sync; # external watchdog should not bark
		3882
		3883	trace "emergency_perl_save: flushing outstanding aio requests";
		3884	while (IO::AIO::nreqs || BDB::nreqs) {
		3885	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3886	}
		3887
		3888	cf::write_runtime_sync; # external watchdog should not bark
3159	};	3889	};
3160		3890
3161	warn "leave emergency perl save\n";	3891	info "emergency_perl_save: leave\n";
3162	}	3892	}
3163		3893
3164	sub post_cleanup {	3894	sub post_cleanup {
3165	my ($make_core) = @_;	3895	my ($make_core) = @_;
3166		3896
		3897	IO::AIO::flush;
		3898
3167	warn Carp::longmess "post_cleanup backtrace"	3899	error Carp::longmess "post_cleanup backtrace"
3168	if $make_core;	3900	if $make_core;
		3901
		3902	my $fh = pidfile;
		3903	unlink $PIDFILE if <$fh> == $$;
		3904	}
		3905
		3906	# a safer delete_package, copied from Symbol
		3907	sub clear_package($) {
		3908	my $pkg = shift;
		3909
		3910	# expand to full symbol table name if needed
		3911	unless ($pkg =~ /^main::.*::$/) {
		3912	$pkg = "main$pkg" if $pkg =~ /^::/;
		3913	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3914	$pkg .= '::' unless $pkg =~ /::$/;
		3915	}
		3916
		3917	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3918	my $stem_symtab = *{$stem}{HASH};
		3919
		3920	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3921	or return;
		3922
		3923	# clear all symbols
		3924	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3925	for my $name (keys %$leaf_symtab) {
		3926	_gv_clear *{"$pkg$name"};
		3927	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3928	}
3169	}	3929	}
3170		3930
3171	sub do_reload_perl() {	3931	sub do_reload_perl() {
3172	# can/must only be called in main	3932	# can/must only be called in main
3173	if ($Coro::current != $Coro::main) {	3933	unless (in_main) {
3174	warn "can only reload from main coroutine";	3934	error "can only reload from main coroutine";
3175	return;	3935	return;
3176	}	3936	}
3177		3937
3178	warn "reloading...";	3938	return if $RELOAD++;
3179		3939
3180	warn "entering sync_job";	3940	my $t1 = AE::time;
3181		3941
		3942	while ($RELOAD) {
		3943	cf::get_slot 0.1, -1, "reload_perl";
		3944	info "perl_reload: reloading...";
		3945
		3946	trace "perl_reload: entering sync_job";
		3947
3182	cf::sync_job {	3948	cf::sync_job {
3183	cf::write_runtime; # external watchdog should not bark
3184	cf::emergency_save;	3949	#cf::emergency_save;
3185	cf::write_runtime; # external watchdog should not bark
3186		3950
3187	warn "syncing database to disk";
3188	BDB::db_env_txn_checkpoint $DB_ENV;
3189
3190	# if anything goes wrong in here, we should simply crash as we already saved
3191
3192	warn "cancelling all WF_AUTOCANCEL watchers";
3193	for (Event::all_watchers) {
3194	$_->cancel if $_->data & WF_AUTOCANCEL;
3195	}
3196
3197	warn "flushing outstanding aio requests";
3198	for (;;) {
3199	BDB::flush;
3200	IO::AIO::flush;
3201	Coro::cede;
3202	last unless IO::AIO::nreqs || BDB::nreqs;
3203	warn "iterate...";
3204	}
3205
3206	++$RELOAD;
3207
3208	warn "cancelling all extension coros";	3951	trace "perl_reload: cancelling all extension coros";
3209	$_->cancel for values %EXT_CORO;	3952	$_->cancel for values %EXT_CORO;
3210	%EXT_CORO = ();	3953	%EXT_CORO = ();
3211		3954
3212	warn "removing commands";	3955	trace "perl_reload: removing commands";
3213	%COMMAND = ();	3956	%COMMAND = ();
3214		3957
3215	warn "removing ext/exti commands";	3958	trace "perl_reload: removing ext/exti commands";
3216	%EXTCMD = ();	3959	%EXTCMD = ();
3217	%EXTICMD = ();	3960	%EXTICMD = ();
3218		3961
3219	warn "unloading/nuking all extensions";	3962	trace "perl_reload: unloading/nuking all extensions";
3220	for my $pkg (@EXTS) {	3963	for my $pkg (@EXTS) {
3221	warn "... unloading $pkg";	3964	trace "... unloading $pkg";
3222		3965
3223	if (my $cb = $pkg->can ("unload")) {	3966	if (my $cb = $pkg->can ("unload")) {
3224	eval {	3967	eval {
3225	$cb->($pkg);	3968	$cb->($pkg);
3226	1	3969	1
3227	} or warn "$pkg unloaded, but with errors: $@";	3970	} or error "$pkg unloaded, but with errors: $@";
		3971	}
		3972
		3973	trace "... clearing $pkg";
		3974	clear_package $pkg;
3228	}	3975	}
3229		3976
3230	warn "... nuking $pkg";
3231	Symbol::delete_package $pkg;
3232	}
3233
3234	warn "unloading all perl modules loaded from $LIBDIR";	3977	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3235	while (my ($k, $v) = each %INC) {	3978	while (my ($k, $v) = each %INC) {
3236	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3979	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3237		3980
3238	warn "... unloading $k";	3981	trace "... unloading $k";
3239	delete $INC{$k};	3982	delete $INC{$k};
3240		3983
3241	$k =~ s/\.pm$//;	3984	$k =~ s/\.pm$//;
3242	$k =~ s/\//::/g;	3985	$k =~ s/\//::/g;
3243		3986
3244	if (my $cb = $k->can ("unload_module")) {	3987	if (my $cb = $k->can ("unload_module")) {
3245	$cb->();	3988	$cb->();
		3989	}
		3990
		3991	clear_package $k;
3246	}	3992	}
3247		3993
3248	Symbol::delete_package $k;
3249	}
3250
3251	warn "getting rid of safe::, as good as possible";	3994	trace "perl_reload: getting rid of safe::, as good as possible";
3252	Symbol::delete_package "safe::$_"	3995	clear_package "safe::$_"
3253	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3996	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3254		3997
3255	warn "unloading cf.pm \"a bit\"";	3998	trace "perl_reload: unloading cf.pm \"a bit\"";
3256	delete $INC{"cf.pm"};	3999	delete $INC{"cf.pm"};
3257	delete $INC{"cf/pod.pm"};	4000	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3258		4001
3259	# don't, removes xs symbols, too,	4002	# don't, removes xs symbols, too,
3260	# and global variables created in xs	4003	# and global variables created in xs
3261	#Symbol::delete_package __PACKAGE__;	4004	#clear_package __PACKAGE__;
3262		4005
3263	warn "unload completed, starting to reload now";	4006	info "perl_reload: unload completed, starting to reload now";
3264		4007
3265	warn "reloading cf.pm";	4008	trace "perl_reload: reloading cf.pm";
3266	require cf;	4009	require cf;
3267	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4010	cf::_connect_to_perl_1;
3268		4011
3269	warn "loading config and database again";	4012	trace "perl_reload: loading config and database again";
3270	cf::reload_config;	4013	cf::reload_config;
3271		4014
3272	warn "loading extensions";	4015	trace "perl_reload: loading extensions";
3273	cf::load_extensions;	4016	cf::load_extensions;
3274		4017
		4018	if ($REATTACH_ON_RELOAD) {
3275	warn "reattaching attachments to objects/players";	4019	trace "perl_reload: reattaching attachments to objects/players";
3276	_global_reattach; # objects, sockets	4020	_global_reattach; # objects, sockets
3277	warn "reattaching attachments to maps";	4021	trace "perl_reload: reattaching attachments to maps";
3278	reattach $_ for values %MAP;	4022	reattach $_ for values %MAP;
3279	warn "reattaching attachments to players";	4023	trace "perl_reload: reattaching attachments to players";
3280	reattach $_ for values %PLAYER;	4024	reattach $_ for values %PLAYER;
		4025	}
3281		4026
3282	warn "leaving sync_job";	4027	cf::_post_init 1;
3283		4028
		4029	trace "perl_reload: leaving sync_job";
		4030
3284	1	4031	1
3285	} or do {	4032	} or do {
3286	warn $@;	4033	error $@;
3287	warn "error while reloading, exiting.";	4034	cf::cleanup "perl_reload: error, exiting.";
3288	exit 1;	4035	};
		4036
		4037	--$RELOAD;
3289	};	4038	}
3290		4039
3291	warn "reloaded";	4040	$t1 = AE::time - $t1;
		4041	info "perl_reload: completed in ${t1}s\n";
3292	};	4042	};
3293		4043
3294	our $RELOAD_WATCHER; # used only during reload	4044	our $RELOAD_WATCHER; # used only during reload
3295		4045
3296	sub reload_perl() {	4046	sub reload_perl() {
3297	# doing reload synchronously and two reloads happen back-to-back,	4047	# doing reload synchronously and two reloads happen back-to-back,
3298	# coro crashes during coro_state_free->destroy here.	4048	# coro crashes during coro_state_free->destroy here.
3299		4049
3300	$RELOAD_WATCHER ||= Event->timer (	4050	$RELOAD_WATCHER ||= cf::async {
3301	reentrant => 0,	4051	Coro::AIO::aio_wait cache_extensions;
3302	after => 0,	4052
3303	data => WF_AUTOCANCEL,	4053	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3304	cb => sub {
3305	do_reload_perl;	4054	do_reload_perl;
3306	undef $RELOAD_WATCHER;	4055	undef $RELOAD_WATCHER;
3307	},	4056	};
3308	);	4057	};
3309	}	4058	}
3310		4059
3311	register_command "reload" => sub {	4060	register_command "reload" => sub {
3312	my ($who, $arg) = @_;	4061	my ($who, $arg) = @_;
3313		4062
3314	if ($who->flag (FLAG_WIZ)) {	4063	if ($who->flag (FLAG_WIZ)) {
3315	$who->message ("reloading server.");	4064	$who->message ("reloading server.");
		4065	async {
		4066	$Coro::current->{desc} = "perl_reload";
3316	async { reload_perl };	4067	reload_perl;
		4068	};
3317	}	4069	}
3318	};	4070	};
3319		4071
3320	unshift @INC, $LIBDIR;	4072	#############################################################################
3321		4073
3322	my $bug_warning = 0;	4074	my $bug_warning = 0;
3323		4075
3324	our @WAIT_FOR_TICK;	4076	our @WAIT_FOR_TICK;
3325	our @WAIT_FOR_TICK_BEGIN;	4077	our @WAIT_FOR_TICK_BEGIN;
3326		4078
3327	sub wait_for_tick {	4079	sub wait_for_tick() {
3328	return unless $TICK_WATCHER->is_active;
3329	return if $Coro::current == $Coro::main;	4080	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3330		4081
3331	my $signal = new Coro::Signal;	4082	my $signal = new Coro::Signal;
3332	push @WAIT_FOR_TICK, $signal;	4083	push @WAIT_FOR_TICK, $signal;
3333	$signal->wait;	4084	$signal->wait;
3334	}	4085	}
3335		4086
3336	sub wait_for_tick_begin {	4087	sub wait_for_tick_begin() {
3337	return unless $TICK_WATCHER->is_active;
3338	return if $Coro::current == $Coro::main;	4088	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3339		4089
3340	my $signal = new Coro::Signal;	4090	my $signal = new Coro::Signal;
3341	push @WAIT_FOR_TICK_BEGIN, $signal;	4091	push @WAIT_FOR_TICK_BEGIN, $signal;
3342	$signal->wait;	4092	$signal->wait;
3343	}	4093	}
3344		4094
3345	my $min = 1e6;#d#	4095	sub tick {
3346	my $avg = 10;
3347	$TICK_WATCHER = Event->timer (
3348	reentrant => 0,
3349	parked => 1,
3350	prio => 0,
3351	at => $NEXT_TICK || $TICK,
3352	data => WF_AUTOCANCEL,
3353	cb => sub {
3354	if ($Coro::current != $Coro::main) {	4096	if ($Coro::current != $Coro::main) {
3355	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4097	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3356	unless ++$bug_warning > 10;	4098	unless ++$bug_warning > 10;
3357	return;	4099	return;
3358	}	4100	}
3359		4101
3360	$NOW = $tick_start = Event::time;
3361
3362	cf::server_tick; # one server iteration	4102	cf::server_tick; # one server iteration
3363		4103
3364	0 && sync_job {#d#	4104	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3365	for(1..10) {
3366	my $t = Event::time;
3367	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3368	or die;
3369		4105
3370	$map->width (50);	4106	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3371	$map->height (50);	4107	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3372	$map->alloc;	4108	Coro::async_pool {
3373	$map->_load_objects ("/tmp/x.map", 1);	4109	$Coro::current->{desc} = "runtime saver";
3374	my $t = Event::time - $t;	4110	write_runtime_sync
3375		4111	or error "ERROR: unable to write runtime file: $!";
3376	#next unless $t < 0.0013;#d#
3377	if ($t < $min) {
3378	$min = $t;
3379	}
3380	$avg = $avg * 0.99 + $t * 0.01;
3381	}
3382	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3383	exit 0;
3384	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3385	};	4112	};
		4113	}
3386		4114
3387	$RUNTIME += $TICK;
3388	$NEXT_TICK += $TICK;
3389
3390	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3391	$NEXT_RUNTIME_WRITE = $NOW + 10;
3392	Coro::async_pool {
3393	write_runtime
3394	or warn "ERROR: unable to write runtime file: $!";
3395	};
3396	}
3397
3398	# my $AFTER = Event::time;
3399	# warn $AFTER - $NOW;#d#
3400
3401	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4115	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3402	$sig->send;	4116	$sig->send;
3403	}	4117	}
3404	while (my $sig = shift @WAIT_FOR_TICK) {	4118	while (my $sig = shift @WAIT_FOR_TICK) {
3405	$sig->send;	4119	$sig->send;
3406	}	4120	}
3407		4121
3408	$NOW = Event::time;	4122	$LOAD = ($NOW - $TICK_START) / $TICK;
3409
3410	# if we are delayed by four ticks or more, skip them all
3411	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3412
3413	$TICK_WATCHER->at ($NEXT_TICK);
3414	$TICK_WATCHER->start;
3415
3416	$LOAD = ($NOW - $tick_start) / $TICK;
3417	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4123	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3418		4124
3419	_post_tick;	4125	if (0) {
3420		4126	if ($NEXT_TICK) {
3421		4127	my $jitter = $TICK_START - $NEXT_TICK;
		4128	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4129	debug "jitter $JITTER\n";#d#
		4130	}
3422	},	4131	}
3423	);	4132	}
3424		4133
3425	{	4134	{
3426	BDB::max_poll_time $TICK * 0.1;	4135	# configure BDB
3427	$BDB_POLL_WATCHER = Event->io (	4136
3428	reentrant => 0,
3429	fd => BDB::poll_fileno,
3430	poll => 'r',
3431	prio => 0,
3432	data => WF_AUTOCANCEL,
3433	cb => \&BDB::poll_cb,
3434	);
3435	BDB::min_parallel 8;	4137	BDB::min_parallel 16;
3436		4138	BDB::max_poll_reqs $TICK * 0.1;
3437	BDB::set_sync_prepare {	4139	$AnyEvent::BDB::WATCHER->priority (1);
3438	my $status;
3439	my $current = $Coro::current;
3440	(
3441	sub {
3442	$status = $!;
3443	$current->ready; undef $current;
3444	},
3445	sub {
3446	Coro::schedule while defined $current;
3447	$! = $status;
3448	},
3449	)
3450	};
3451		4140
3452	unless ($DB_ENV) {	4141	unless ($DB_ENV) {
3453	$DB_ENV = BDB::db_env_create;	4142	$DB_ENV = BDB::db_env_create;
		4143	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4144	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4145	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4146	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4147	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3454		4148
3455	cf::sync_job {	4149	cf::sync_job {
3456	eval {	4150	eval {
3457	BDB::db_env_open	4151	BDB::db_env_open
3458	$DB_ENV,	4152	$DB_ENV,
…		…
3460	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4154	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3461	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4155	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3462	0666;	4156	0666;
3463		4157
3464	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4158	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3465
3466	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3467	$DB_ENV->set_lk_detect;
3468	};	4159	};
3469		4160
3470	cf::cleanup "db_env_open(db): $@" if $@;	4161	cf::cleanup "db_env_open(db): $@" if $@;
3471	};	4162	};
3472	}	4163	}
		4164
		4165	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4166	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4167	};
		4168	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4169	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4170	};
		4171	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4172	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4173	};
3473	}	4174	}
3474		4175
3475	{	4176	{
		4177	# configure IO::AIO
		4178
3476	IO::AIO::min_parallel 8;	4179	IO::AIO::min_parallel 8;
3477
3478	undef $Coro::AIO::WATCHER;
3479	IO::AIO::max_poll_time $TICK * 0.1;	4180	IO::AIO::max_poll_time $TICK * 0.1;
3480	$AIO_POLL_WATCHER = Event->io (	4181	undef $AnyEvent::AIO::WATCHER;
3481	reentrant => 0,
3482	data => WF_AUTOCANCEL,
3483	fd => IO::AIO::poll_fileno,
3484	poll => 'r',
3485	prio => 6,
3486	cb => \&IO::AIO::poll_cb,
3487	);
3488	}	4182	}
3489		4183
3490	my $_log_backtrace;	4184	our $_log_backtrace;
		4185	our $_log_backtrace_last;
3491		4186
3492	sub _log_backtrace {	4187	sub _log_backtrace {
3493	my ($msg, @addr) = @_;	4188	my ($msg, @addr) = @_;
3494		4189
3495	$msg =~ s/\n//;	4190	$msg =~ s/\n$//;
3496		4191
		4192	if ($_log_backtrace_last eq $msg) {
		4193	LOG llevInfo, "[ABT] $msg\n";
		4194	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3497	# limit the # of concurrent backtraces	4195	# limit the # of concurrent backtraces
3498	if ($_log_backtrace < 2) {	4196	} elsif ($_log_backtrace < 2) {
		4197	$_log_backtrace_last = $msg;
3499	++$_log_backtrace;	4198	++$_log_backtrace;
		4199	my $perl_bt = Carp::longmess $msg;
3500	async {	4200	async {
		4201	$Coro::current->{desc} = "abt $msg";
		4202
3501	my @bt = fork_call {	4203	my @bt = fork_call {
3502	@addr = map { sprintf "%x", $_ } @addr;	4204	@addr = map { sprintf "%x", $_ } @addr;
3503	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4205	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3504	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4206	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3505	or die "addr2line: $!";	4207	or die "addr2line: $!";
…		…
3513	}	4215	}
3514		4216
3515	@funcs	4217	@funcs
3516	};	4218	};
3517		4219
3518	LOG llevInfo, "[ABT] $msg\n";	4220	LOG llevInfo, "[ABT] $perl_bt\n";
		4221	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3519	LOG llevInfo, "[ABT] $_\n" for @bt;	4222	LOG llevInfo, "[ABT] $_\n" for @bt;
3520	--$_log_backtrace;	4223	--$_log_backtrace;
3521	};	4224	};
3522	} else {	4225	} else {
3523	LOG llevInfo, "[ABT] $msg\n";	4226	LOG llevInfo, "[ABT] $msg\n";
3524	LOG llevInfo, "[ABT] [suppressed]\n";	4227	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3525	}	4228	}
3526	}	4229	}
3527		4230
3528	# load additional modules	4231	# load additional modules
3529	use cf::pod;	4232	require "cf/$_.pm" for @EXTRA_MODULES;
		4233	cf::_connect_to_perl_2;
3530		4234
3531	END { cf::emergency_save }	4235	END { cf::emergency_save }
3532		4236
3533	1	4237	1
3534		4238

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