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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.354 by root, Sun Sep 2 12:26:54 2007 UTC vs.
Revision 1.561 by root, Fri Apr 22 06:10:33 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.64 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
24	use Coro::Util ();	51	use Coro::Util ();
25		52
26	use JSON::XS ();	53	use JSON::XS 2.01 ();
27	use BDB ();	54	use BDB ();
28	use Data::Dumper;	55	use Data::Dumper;
29	use Digest::MD5;
30	use Fcntl;	56	use Fcntl;
31	use YAML::Syck ();	57	use YAML::XS ();
32	use IO::AIO 2.32 ();	58	use IO::AIO ();
33	use Time::HiRes;	59	use Time::HiRes;
34	use Compress::LZF;	60	use Compress::LZF;
35	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
36		64
37	# configure various modules to our taste	65	# configure various modules to our taste
38	#	66	#
39	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42		75
43	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
44		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		78
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
51		82
52	our %COMMAND = ();	83	our %COMMAND = ();
53	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
54		85
55	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
56	our %EXTCMD = ();	87	our %EXTCMD = ();
57	our %EXTICMD = ();	88	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
60		91
61	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
63		96
64	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
65	our $DATADIR = datadir;	99	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
69	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
75		120
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	123	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
83		125
		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;
…		…
1416		1778
1417	for my $login (@$dirs) {	1779	for my $login (@$dirs) {
1418	my $path = path $login;	1780	my $path = path $login;
1419		1781
1420	# a .pst is a dead give-away for a valid player	1782	# a .pst is a dead give-away for a valid player
1421	unless (-e "$path.pst") {	1783	# if no pst file found, open and chekc for blocked users
		1784	if (aio_stat "$path.pst") {
1422	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1785	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1423	aio_read $fh, 0, 512, my $buf, 0 or next;	1786	aio_read $fh, 0, 512, my $buf, 0 or next;
1424	$buf !~ /^password -------------$/m or next; # official not-valid tag	1787	$buf !~ /^password -------------$/m or next; # official not-valid tag
1425	}	1788	}
1426		1789
…		…
1430		1793
1431	\@logins	1794	\@logins
1432	}	1795	}
1433		1796
1434	=item $player->maps	1797	=item $player->maps
		1798
		1799	=item cf::player::maps $login
1435		1800
1436	Returns an arrayref of map paths that are private for this	1801	Returns an arrayref of map paths that are private for this
1437	player. May block.	1802	player. May block.
1438		1803
1439	=cut	1804	=cut
…		…
1457	}	1822	}
1458		1823
1459	\@paths	1824	\@paths
1460	}	1825	}
1461		1826
1462	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1827	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1463		1828
1464	Expand crossfire pod fragments into protocol xml.	1829	Expand deliantra pod fragments into protocol xml.
1465
1466	=cut
1467
1468	sub expand_cfpod {
1469	((my $self), (local $_)) = @_;
1470
1471	# escape & and <
1472	s/&/&amp;/g;
1473	s/(?<![BIUGHT])</&lt;/g;
1474
1475	# this is buggy, it needs to properly take care of nested <'s
1476
1477	1 while
1478	# replace B<>, I<>, U<> etc.
1479	s/B<([^\>]*)>/<b>$1<\/b>/
1480	|| s/I<([^\>]*)>/<i>$1<\/i>/
1481	|| s/U<([^\>]*)>/<u>$1<\/u>/
1482	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1483	# replace G<male|female> tags
1484	|| s{G<([^>|]*)\|([^>]*)>}{
1485	$self->gender ? $2 : $1
1486	}ge
1487	# replace H<hint text>
1488	|| s{H<([^\>]*)>}
1489	{
1490	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1491	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1492	"")
1493	[$self->{hintmode}]
1494	}ge;
1495
1496	# create single paragraphs (very hackish)
1497	s/(?<=\S)\n(?=\w)/ /g;
1498
1499	# compress some whitespace
1500	s/\s+\n/\n/g; # ws line-ends
1501	s/\n\n+/\n/g; # double lines
1502	s/^\n+//; # beginning lines
1503	s/\n+$//; # ending lines
1504
1505	$_
1506	}
1507
1508	sub hintmode {
1509	$_[0]{hintmode} = $_[1] if @_ > 1;
1510	$_[0]{hintmode}
1511	}
1512		1830
1513	=item $player->ext_reply ($msgid, @msg)	1831	=item $player->ext_reply ($msgid, @msg)
1514		1832
1515	Sends an ext reply to the player.	1833	Sends an ext reply to the player.
1516		1834
…		…
1548		1866
1549	=cut	1867	=cut
1550		1868
1551	sub find_by_path($) {	1869	sub find_by_path($) {
1552	my ($path) = @_;	1870	my ($path) = @_;
		1871
		1872	$path =~ s/^~[^\/]*//; # skip ~login
1553		1873
1554	my ($match, $specificity);	1874	my ($match, $specificity);
1555		1875
1556	for my $region (list) {	1876	for my $region (list) {
1557	if ($region->{match} && $path =~ $region->{match}) {	1877	if ($region->{match} && $path =~ $region->{match}) {
…		…
1583	our $MAX_RESET = 3600;	1903	our $MAX_RESET = 3600;
1584	our $DEFAULT_RESET = 3000;	1904	our $DEFAULT_RESET = 3000;
1585		1905
1586	sub generate_random_map {	1906	sub generate_random_map {
1587	my ($self, $rmp) = @_;	1907	my ($self, $rmp) = @_;
1588	# mit "rum" bekleckern, nicht	1908
		1909	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1910
1589	$self->_create_random_map (	1911	$self->_create_random_map ($rmp);
1590	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1591	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1592	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1593	$rmp->{exit_on_final_map},
1594	$rmp->{xsize}, $rmp->{ysize},
1595	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1596	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1597	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1598	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1599	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1600	(cf::region::find $rmp->{region}), $rmp->{custom}
1601	)
1602	}	1912	}
1603		1913
1604	=item cf::map->register ($regex, $prio)	1914	=item cf::map->register ($regex, $prio)
1605		1915
1606	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
…		…
1611		1921
1612	sub register {	1922	sub register {
1613	my (undef, $regex, $prio) = @_;	1923	my (undef, $regex, $prio) = @_;
1614	my $pkg = caller;	1924	my $pkg = caller;
1615		1925
1616	no strict;
1617	push @{"$pkg\::ISA"}, __PACKAGE__;	1926	push @{"$pkg\::ISA"}, __PACKAGE__;
1618		1927
1619	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1928	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1620	}	1929	}
1621		1930
1622	# also paths starting with '/'	1931	# also paths starting with '/'
1623	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1932	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1624		1933
1625	sub thawer_merge {	1934	sub thawer_merge {
1626	my ($self, $merge) = @_;	1935	my ($self, $merge) = @_;
1627		1936
1628	# we have to keep some variables in memory intact	1937	# we have to keep some variables in memory intact
…		…
1633	}	1942	}
1634		1943
1635	sub normalise {	1944	sub normalise {
1636	my ($path, $base) = @_;	1945	my ($path, $base) = @_;
1637		1946
1638	$path = "$path"; # make sure its a string	1947	$path = "$path"; # make sure it's a string
1639		1948
1640	$path =~ s/\.map$//;	1949	$path =~ s/\.map$//;
1641		1950
1642	# map plan:	1951	# map plan:
1643	#	1952	#
…		…
1658	$base =~ s{[^/]+/?$}{};	1967	$base =~ s{[^/]+/?$}{};
1659	$path = "$base/$path";	1968	$path = "$base/$path";
1660	}	1969	}
1661		1970
1662	for ($path) {	1971	for ($path) {
1663	redo if s{//}{/};
1664	redo if s{/\.?/}{/};	1972	redo if s{/\.?/}{/};
1665	redo if s{/[^/]+/\.\./}{/};	1973	redo if s{/[^/]+/\.\./}{/};
1666	}	1974	}
1667		1975
1668	$path	1976	$path
…		…
1682	$self->init; # pass $1 etc.	1990	$self->init; # pass $1 etc.
1683	return $self;	1991	return $self;
1684	}	1992	}
1685	}	1993	}
1686		1994
1687	Carp::cluck "unable to resolve path '$path' (base '$base').";	1995	Carp::cluck "unable to resolve path '$path' (base '$base')";
1688	()	1996	()
1689	}	1997	}
1690		1998
		1999	# may re-bless or do other evil things
1691	sub init {	2000	sub init {
1692	my ($self) = @_;	2001	my ($self) = @_;
1693		2002
1694	$self	2003	$self
1695	}	2004	}
…		…
1714		2023
1715	# the temporary/swap location	2024	# the temporary/swap location
1716	sub save_path {	2025	sub save_path {
1717	my ($self) = @_;	2026	my ($self) = @_;
1718		2027
1719	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2028	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1720	"$TMPDIR/$path.map"	2029	"$TMPDIR/$path.map"
1721	}	2030	}
1722		2031
1723	# the unique path, undef == no special unique path	2032	# the unique path, undef == no special unique path
1724	sub uniq_path {	2033	sub uniq_path {
1725	my ($self) = @_;	2034	my ($self) = @_;
1726		2035
1727	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2036	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1728	"$UNIQUEDIR/$path"	2037	"$UNIQUEDIR/$path"
1729	}
1730
1731	# and all this just because we cannot iterate over
1732	# all maps in C++...
1733	sub change_all_map_light {
1734	my ($change) = @_;
1735
1736	$_->change_map_light ($change)
1737	for grep $_->outdoor, values %cf::MAP;
1738	}	2038	}
1739		2039
1740	sub decay_objects {	2040	sub decay_objects {
1741	my ($self) = @_;	2041	my ($self) = @_;
1742		2042
…		…
1755		2055
1756	sub load_header_from($) {	2056	sub load_header_from($) {
1757	my ($self, $path) = @_;	2057	my ($self, $path) = @_;
1758		2058
1759	utf8::encode $path;	2059	utf8::encode $path;
1760	#aio_open $path, O_RDONLY, 0	2060	my $f = new_from_file cf::object::thawer $path
1761	# or return;
1762
1763	$self->_load_header ($path)
1764	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;
1765		2068
1766	$self->{load_path} = $path;	2069	$self->{load_path} = $path;
1767		2070
1768	1	2071	1
1769	}	2072	}
…		…
1821		2124
1822	sub find;	2125	sub find;
1823	sub find {	2126	sub find {
1824	my ($path, $origin) = @_;	2127	my ($path, $origin) = @_;
1825		2128
		2129	cf::cede_to_tick;
		2130
1826	$path = normalise $path, $origin && $origin->path;	2131	$path = normalise $path, $origin && $origin->path;
1827		2132
		2133	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1828	cf::lock_wait "map_find:$path";	2134	my $guard2 = cf::lock_acquire "map_find:$path";
1829		2135
1830	$cf::MAP{$path} || do {	2136	$cf::MAP{$path} || do {
1831	my $guard = cf::lock_acquire "map_find:$path";
1832	my $map = new_from_path cf::map $path	2137	my $map = new_from_path cf::map $path
1833	or return;	2138	or return;
1834		2139
1835	$map->{last_save} = $cf::RUNTIME;	2140	$map->{last_save} = $cf::RUNTIME;
1836		2141
…		…
1838	or return;	2143	or return;
1839		2144
1840	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2145	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1841	# doing this can freeze the server in a sync job, obviously	2146	# doing this can freeze the server in a sync job, obviously
1842	#$cf::WAIT_FOR_TICK->wait;	2147	#$cf::WAIT_FOR_TICK->wait;
		2148	undef $guard2;
		2149	undef $guard1;
1843	$map->reset;	2150	$map->reset;
1844	undef $guard;
1845	return find $path;	2151	return find $path;
1846	}	2152	}
1847		2153
1848	$cf::MAP{$path} = $map	2154	$cf::MAP{$path} = $map
1849	}	2155	}
1850	}	2156	}
1851		2157
1852	sub pre_load { }	2158	sub pre_load { }
1853	sub post_load { }	2159	#sub post_load { } # XS
1854		2160
1855	sub load {	2161	sub load {
1856	my ($self) = @_;	2162	my ($self) = @_;
1857		2163
1858	local $self->{deny_reset} = 1; # loading can take a long time	2164	local $self->{deny_reset} = 1; # loading can take a long time
1859		2165
1860	my $path = $self->{path};	2166	my $path = $self->{path};
1861		2167
1862	{	2168	{
1863	my $guard1 = cf::lock_acquire "map_data:$path";	2169	my $guard = cf::lock_acquire "map_data:$path";
1864	my $guard2 = cf::lock_acquire "map_load:$path";
1865		2170
		2171	return unless $self->valid;
1866	return if $self->in_memory != cf::MAP_SWAPPED;	2172	return unless $self->in_memory == cf::MAP_SWAPPED;
1867		2173
1868	$self->in_memory (cf::MAP_LOADING);	2174	$self->in_memory (cf::MAP_LOADING);
1869		2175
1870	$self->alloc;	2176	$self->alloc;
1871		2177
1872	$self->pre_load;	2178	$self->pre_load;
1873	cf::cede_to_tick;	2179	cf::cede_to_tick;
1874		2180
		2181	my $f = new_from_file cf::object::thawer $self->{load_path};
		2182	$f->skip_block;
1875	$self->_load_objects ($self->{load_path}, 1)	2183	$self->_load_objects ($f)
1876	or return;	2184	or return;
1877		2185
1878	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2186	$self->post_load_original
1879	if delete $self->{load_original};	2187	if delete $self->{load_original};
1880		2188
1881	if (my $uniq = $self->uniq_path) {	2189	if (my $uniq = $self->uniq_path) {
1882	utf8::encode $uniq;	2190	utf8::encode $uniq;
1883	if (aio_open $uniq, O_RDONLY, 0) {	2191	unless (aio_stat $uniq) {
		2192	if (my $f = new_from_file cf::object::thawer $uniq) {
1884	$self->clear_unique_items;	2193	$self->clear_unique_items;
1885	$self->_load_objects ($uniq, 0);	2194	$self->_load_objects ($f);
		2195	$f->resolve_delayed_derefs;
		2196	}
1886	}	2197	}
1887	}	2198	}
		2199
		2200	$f->resolve_delayed_derefs;
1888		2201
1889	cf::cede_to_tick;	2202	cf::cede_to_tick;
1890	# now do the right thing for maps	2203	# now do the right thing for maps
1891	$self->link_multipart_objects;	2204	$self->link_multipart_objects;
1892	$self->difficulty ($self->estimate_difficulty)	2205	$self->difficulty ($self->estimate_difficulty)
…		…
1896	unless ($self->{deny_activate}) {	2209	unless ($self->{deny_activate}) {
1897	$self->decay_objects;	2210	$self->decay_objects;
1898	$self->fix_auto_apply;	2211	$self->fix_auto_apply;
1899	$self->update_buttons;	2212	$self->update_buttons;
1900	cf::cede_to_tick;	2213	cf::cede_to_tick;
1901	$self->set_darkness_map;
1902	cf::cede_to_tick;
1903	$self->activate;	2214	$self->activate;
1904	}	2215	}
1905		2216
1906	$self->{last_save} = $cf::RUNTIME;	2217	$self->{last_save} = $cf::RUNTIME;
1907	$self->last_access ($cf::RUNTIME);	2218	$self->last_access ($cf::RUNTIME);
1908		2219
1909	$self->in_memory (cf::MAP_IN_MEMORY);	2220	$self->in_memory (cf::MAP_ACTIVE);
1910	}	2221	}
1911		2222
1912	$self->post_load;	2223	$self->post_load;
1913	}
1914		2224
		2225	1
		2226	}
		2227
		2228	# customize the map for a given player, i.e.
		2229	# return the _real_ map. used by e.g. per-player
		2230	# maps to change the path to ~playername/mappath
1915	sub customise_for {	2231	sub customise_for {
1916	my ($self, $ob) = @_;	2232	my ($self, $ob) = @_;
1917		2233
1918	return find "~" . $ob->name . "/" . $self->{path}	2234	return find "~" . $ob->name . "/" . $self->{path}
1919	if $self->per_player;	2235	if $self->per_player;
…		…
1935	or next;	2251	or next;
1936	$neigh = find $neigh, $map	2252	$neigh = find $neigh, $map
1937	or next;	2253	or next;
1938	$neigh->load;	2254	$neigh->load;
1939		2255
		2256	# now find the diagonal neighbours
1940	push @neigh,	2257	push @neigh,
1941	[$neigh->tile_path (($_ + 3) % 4), $neigh],	2258	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1942	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2259	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1943	}	2260	}
1944		2261
…		…
1951	}	2268	}
1952		2269
1953	sub find_sync {	2270	sub find_sync {
1954	my ($path, $origin) = @_;	2271	my ($path, $origin) = @_;
1955		2272
1956	cf::sync_job { find $path, $origin }	2273	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2274	if $Coro::current == $Coro::main;
		2275
		2276	find $path, $origin
1957	}	2277	}
1958		2278
1959	sub do_load_sync {	2279	sub do_load_sync {
1960	my ($map) = @_;	2280	my ($map) = @_;
1961		2281
1962	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2282	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
1963	if $Coro::current == $Coro::main;	2283	if $Coro::current == $Coro::main;
1964		2284
1965	cf::sync_job { $map->load };	2285	$map->load;
1966	}	2286	}
1967		2287
1968	our %MAP_PREFETCH;	2288	our %MAP_PREFETCH;
1969	our $MAP_PREFETCHER = undef;	2289	our $MAP_PREFETCHER = undef;
1970		2290
…		…
1972	my ($path, $origin, $load) = @_;	2292	my ($path, $origin, $load) = @_;
1973		2293
1974	$path = normalise $path, $origin && $origin->{path};	2294	$path = normalise $path, $origin && $origin->{path};
1975		2295
1976	if (my $map = $cf::MAP{$path}) {	2296	if (my $map = $cf::MAP{$path}) {
1977	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2297	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1978	}	2298	}
1979		2299
1980	$MAP_PREFETCH{$path} |= $load;	2300	$MAP_PREFETCH{$path} |= $load;
1981		2301
1982	$MAP_PREFETCHER ||= cf::async {	2302	$MAP_PREFETCHER ||= cf::async {
		2303	$Coro::current->{desc} = "map prefetcher";
		2304
1983	while (%MAP_PREFETCH) {	2305	while (%MAP_PREFETCH) {
1984	while (my ($k, $v) = each %MAP_PREFETCH) {	2306	while (my ($k, $v) = each %MAP_PREFETCH) {
1985	if (my $map = find $k) {	2307	if (my $map = find $k) {
1986	$map->load if $v;	2308	$map->load if $v;
1987	}	2309	}
…		…
1994	$MAP_PREFETCHER->prio (6);	2316	$MAP_PREFETCHER->prio (6);
1995		2317
1996	()	2318	()
1997	}	2319	}
1998		2320
		2321	# common code, used by both ->save and ->swapout
1999	sub save {	2322	sub _save {
2000	my ($self) = @_;	2323	my ($self) = @_;
2001
2002	my $lock = cf::lock_acquire "map_data:$self->{path}";
2003		2324
2004	$self->{last_save} = $cf::RUNTIME;	2325	$self->{last_save} = $cf::RUNTIME;
2005		2326
2006	return unless $self->dirty;	2327	return unless $self->dirty;
2007		2328
…		…
2013	return if $self->{deny_save};	2334	return if $self->{deny_save};
2014		2335
2015	local $self->{last_access} = $self->last_access;#d#	2336	local $self->{last_access} = $self->last_access;#d#
2016		2337
2017	cf::async {	2338	cf::async {
		2339	$Coro::current->{desc} = "map player save";
2018	$_->contr->save for $self->players;	2340	$_->contr->save for $self->players;
2019	};	2341	};
		2342
		2343	cf::get_slot 0.02;
2020		2344
2021	if ($uniq) {	2345	if ($uniq) {
2022	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2346	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2023	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2347	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2024	} else {	2348	} else {
2025	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2349	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2026	}	2350	}
2027	}	2351	}
2028		2352
		2353	sub save {
		2354	my ($self) = @_;
		2355
		2356	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2357
		2358	$self->_save;
		2359	}
		2360
2029	sub swap_out {	2361	sub swap_out {
2030	my ($self) = @_;	2362	my ($self) = @_;
2031		2363
2032	# save first because save cedes
2033	$self->save;
2034
2035	my $lock = cf::lock_acquire "map_data:$self->{path}";	2364	my $lock = cf::lock_acquire "map_data:$self->{path}";
2036		2365
		2366	return if $self->in_memory != cf::MAP_ACTIVE;
		2367	return if $self->{deny_save};
2037	return if $self->players;	2368	return if $self->players;
2038	return if $self->in_memory != cf::MAP_IN_MEMORY;
2039	return if $self->{deny_save};
2040		2369
		2370	# first deactivate the map and "unlink" it from the core
		2371	$self->deactivate;
		2372	$_->clear_links_to ($self) for values %cf::MAP;
		2373	$self->in_memory (cf::MAP_SWAPPED);
		2374
		2375	# then atomically save
		2376	$self->_save;
		2377
		2378	# then free the map
2041	$self->clear;	2379	$self->clear;
2042	$self->in_memory (cf::MAP_SWAPPED);
2043	}	2380	}
2044		2381
2045	sub reset_at {	2382	sub reset_at {
2046	my ($self) = @_;	2383	my ($self) = @_;
2047		2384
…		…
2065		2402
2066	my $lock = cf::lock_acquire "map_data:$self->{path}";	2403	my $lock = cf::lock_acquire "map_data:$self->{path}";
2067		2404
2068	return if $self->players;	2405	return if $self->players;
2069		2406
2070	warn "resetting map ", $self->path;	2407	cf::trace "resetting map ", $self->path, "\n";
2071		2408
2072	$self->in_memory (cf::MAP_SWAPPED);	2409	$self->in_memory (cf::MAP_SWAPPED);
2073		2410
2074	# need to save uniques path	2411	# need to save uniques path
2075	unless ($self->{deny_save}) {	2412	unless ($self->{deny_save}) {
…		…
2079	if $uniq;	2416	if $uniq;
2080	}	2417	}
2081		2418
2082	delete $cf::MAP{$self->path};	2419	delete $cf::MAP{$self->path};
2083		2420
		2421	$self->deactivate;
		2422	$_->clear_links_to ($self) for values %cf::MAP;
2084	$self->clear;	2423	$self->clear;
2085
2086	$_->clear_links_to ($self) for values %cf::MAP;
2087		2424
2088	$self->unlink_save;	2425	$self->unlink_save;
2089	$self->destroy;	2426	$self->destroy;
2090	}	2427	}
2091		2428
…		…
2099		2436
2100	delete $cf::MAP{$self->path};	2437	delete $cf::MAP{$self->path};
2101		2438
2102	$self->unlink_save;	2439	$self->unlink_save;
2103		2440
2104	bless $self, "cf::map";	2441	bless $self, "cf::map::wrap";
2105	delete $self->{deny_reset};	2442	delete $self->{deny_reset};
2106	$self->{deny_save} = 1;	2443	$self->{deny_save} = 1;
2107	$self->reset_timeout (1);	2444	$self->reset_timeout (1);
2108	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2445	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2109		2446
…		…
2158		2495
2159	sub unique_maps() {	2496	sub unique_maps() {
2160	[	2497	[
2161	map {	2498	map {
2162	utf8::decode $_;	2499	utf8::decode $_;
2163	/\.map$/	2500	s/\.map$//; # TODO future compatibility hack
		2501	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2502	? ()
2164	? normalise $_	2503	: normalise $_
2165	: ()
2166	} @{ aio_readdir $UNIQUEDIR or [] }	2504	} @{ aio_readdir $UNIQUEDIR or [] }
2167	]	2505	]
2168	}	2506	}
2169		2507
2170	package cf;	2508	=item cf::map::static_maps
		2509
		2510	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2511	file in the shared directory excluding F</styles> and F</editor>). May
		2512	block.
		2513
		2514	=cut
		2515
		2516	sub static_maps() {
		2517	my @dirs = "";
		2518	my @maps;
		2519
		2520	while (@dirs) {
		2521	my $dir = shift @dirs;
		2522
		2523	next if $dir eq "/styles" || $dir eq "/editor";
		2524
		2525	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2526	or return;
		2527
		2528	for (@$files) {
		2529	s/\.map$// or next;
		2530	utf8::decode $_;
		2531	push @maps, "$dir/$_";
		2532	}
		2533
		2534	push @dirs, map "$dir/$_", @$dirs;
		2535	}
		2536
		2537	\@maps
		2538	}
2171		2539
2172	=back	2540	=back
2173		2541
2174	=head3 cf::object	2542	=head3 cf::object
2175		2543
…		…
2179		2547
2180	=over 4	2548	=over 4
2181		2549
2182	=item $ob->inv_recursive	2550	=item $ob->inv_recursive
2183		2551
2184	Returns the inventory of the object _and_ their inventories, recursively.	2552	Returns the inventory of the object I<and> their inventories, recursively,
		2553	but I<not> the object itself.
2185		2554
2186	=cut	2555	=cut
2187		2556
2188	sub inv_recursive_;	2557	sub inv_recursive_;
2189	sub inv_recursive_ {	2558	sub inv_recursive_ {
…		…
2192		2561
2193	sub inv_recursive {	2562	sub inv_recursive {
2194	inv_recursive_ inv $_[0]	2563	inv_recursive_ inv $_[0]
2195	}	2564	}
2196		2565
		2566	=item $ref = $ob->ref
		2567
		2568	Creates and returns a persistent reference to an object that can be stored as a string.
		2569
		2570	=item $ob = cf::object::deref ($refstring)
		2571
		2572	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2573	even if the object actually exists. May block.
		2574
		2575	=cut
		2576
		2577	sub deref {
		2578	my ($ref) = @_;
		2579
		2580	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2581	my ($uuid, $name) = ($1, $2);
		2582	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2583	or return;
		2584	$pl->ob->uuid eq $uuid
		2585	or return;
		2586
		2587	$pl->ob
		2588	} else {
		2589	warn "$ref: cannot resolve object reference\n";
		2590	undef
		2591	}
		2592	}
		2593
2197	package cf;	2594	package cf;
2198		2595
2199	=back	2596	=back
2200		2597
2201	=head3 cf::object::player	2598	=head3 cf::object::player
…		…
2207	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2604	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2208	can be C<undef>. Does the right thing when the player is currently in a	2605	can be C<undef>. Does the right thing when the player is currently in a
2209	dialogue with the given NPC character.	2606	dialogue with the given NPC character.
2210		2607
2211	=cut	2608	=cut
		2609
		2610	our $SAY_CHANNEL = {
		2611	id => "say",
		2612	title => "Map",
		2613	reply => "say ",
		2614	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2615	};
		2616
		2617	our $CHAT_CHANNEL = {
		2618	id => "chat",
		2619	title => "Chat",
		2620	reply => "chat ",
		2621	tooltip => "Player chat and shouts, global to the server.",
		2622	};
2212		2623
2213	# rough implementation of a future "reply" method that works	2624	# rough implementation of a future "reply" method that works
2214	# with dialog boxes.	2625	# with dialog boxes.
2215	#TODO: the first argument must go, split into a $npc->reply_to ( method	2626	#TODO: the first argument must go, split into a $npc->reply_to ( method
2216	sub cf::object::player::reply($$$;$) {	2627	sub cf::object::player::reply($$$;$) {
…		…
2228	my $dialog = $pl->{npc_dialog};	2639	my $dialog = $pl->{npc_dialog};
2229	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2640	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2230		2641
2231	} else {	2642	} else {
2232	$msg = $npc->name . " says: $msg" if $npc;	2643	$msg = $npc->name . " says: $msg" if $npc;
2233	$self->message ($msg, $flags);	2644	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2234	}	2645	}
2235	}	2646	}
2236	}	2647	}
2237		2648
2238	=item $object->send_msg ($channel, $msg, $color, [extra...])	2649	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2263		2674
2264	=item $player_object->enter_link	2675	=item $player_object->enter_link
2265		2676
2266	Freezes the player and moves him/her to a special map (C<{link}>).	2677	Freezes the player and moves him/her to a special map (C<{link}>).
2267		2678
2268	The player should be reasonably safe there for short amounts of time. You	2679	The player should be reasonably safe there for short amounts of time (e.g.
2269	I<MUST> call C<leave_link> as soon as possible, though.	2680	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2681	though, as the player cannot control the character while it is on the link
		2682	map.
2270		2683
2271	Will never block.	2684	Will never block.
2272		2685
2273	=item $player_object->leave_link ($map, $x, $y)	2686	=item $player_object->leave_link ($map, $x, $y)
2274		2687
…		…
2294	sub cf::object::player::enter_link {	2707	sub cf::object::player::enter_link {
2295	my ($self) = @_;	2708	my ($self) = @_;
2296		2709
2297	$self->deactivate_recursive;	2710	$self->deactivate_recursive;
2298		2711
		2712	++$self->{_link_recursion};
		2713
2299	return if UNIVERSAL::isa $self->map, "ext::map_link";	2714	return if UNIVERSAL::isa $self->map, "ext::map_link";
2300		2715
2301	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2716	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2302	if $self->map && $self->map->{path} ne "{link}";	2717	if $self->map && $self->map->{path} ne "{link}";
2303		2718
2304	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2719	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2305	}	2720	}
2306		2721
2307	sub cf::object::player::leave_link {	2722	sub cf::object::player::leave_link {
2308	my ($self, $map, $x, $y) = @_;	2723	my ($self, $map, $x, $y) = @_;
2309		2724
…		…
2326	($x, $y) = (-1, -1)	2741	($x, $y) = (-1, -1)
2327	unless (defined $x) && (defined $y);	2742	unless (defined $x) && (defined $y);
2328		2743
2329	# use -1 or undef as default coordinates, not 0, 0	2744	# use -1 or undef as default coordinates, not 0, 0
2330	($x, $y) = ($map->enter_x, $map->enter_y)	2745	($x, $y) = ($map->enter_x, $map->enter_y)
2331	if $x <=0 && $y <= 0;	2746	if $x <= 0 && $y <= 0;
2332		2747
2333	$map->load;	2748	$map->load;
2334	$map->load_neighbours;	2749	$map->load_neighbours;
2335		2750
2336	return unless $self->contr->active;	2751	return unless $self->contr->active;
2337	$self->activate_recursive;
2338		2752
2339	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2753	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2340	$self->enter_map ($map, $x, $y);	2754	if ($self->enter_map ($map, $x, $y)) {
2341	}	2755	# entering was successful
		2756	delete $self->{_link_recursion};
		2757	# only activate afterwards, to support waiting in hooks
		2758	$self->activate_recursive;
		2759	}
2342		2760
		2761	}
		2762
2343	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2763	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2344		2764
2345	Moves the player to the given map-path and coordinates by first freezing	2765	Moves the player to the given map-path and coordinates by first freezing
2346	her, loading and preparing them map, calling the provided $check callback	2766	her, loading and preparing them map, calling the provided $check callback
2347	that has to return the map if sucecssful, and then unfreezes the player on	2767	that has to return the map if sucecssful, and then unfreezes the player on
2348	the new (success) or old (failed) map position. In either case, $done will	2768	the new (success) or old (failed) map position. In either case, $done will
2349	be called at the end of this process.	2769	be called at the end of this process.
2350		2770
		2771	Note that $check will be called with a potentially non-loaded map, so if
		2772	it needs a loaded map it has to call C<< ->load >>.
		2773
2351	=cut	2774	=cut
2352		2775
2353	our $GOTOGEN;	2776	our $GOTOGEN;
2354		2777
2355	sub cf::object::player::goto {	2778	sub cf::object::player::goto {
2356	my ($self, $path, $x, $y, $check, $done) = @_;	2779	my ($self, $path, $x, $y, $check, $done) = @_;
2357		2780
		2781	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2782	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2783	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2784	($path, $x, $y) = @$EMERGENCY_POSITION;
		2785	}
		2786
2358	# do generation counting so two concurrent goto's will be executed in-order	2787	# do generation counting so two concurrent goto's will be executed in-order
2359	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2788	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2360		2789
2361	$self->enter_link;	2790	$self->enter_link;
2362		2791
2363	(async {	2792	(async {
		2793	$Coro::current->{desc} = "player::goto $path $x $y";
		2794
		2795	# *tag paths override both path and x|y
		2796	if ($path =~ /^\*(.*)$/) {
		2797	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2798	my $ob = $obs[rand @obs];
		2799
		2800	# see if we actually can go there
		2801	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2802	$ob = $obs[rand @obs];
		2803	} else {
		2804	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2805	}
		2806	# else put us there anyways for now #d#
		2807
		2808	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2809	} else {
		2810	($path, $x, $y) = (undef, undef, undef);
		2811	}
		2812	}
		2813
2364	my $map = eval {	2814	my $map = eval {
2365	my $map = cf::map::find $path;	2815	my $map = defined $path ? cf::map::find $path : undef;
2366		2816
2367	if ($map) {	2817	if ($map) {
2368	$map = $map->customise_for ($self);	2818	$map = $map->customise_for ($self);
2369	$map = $check->($map) if $check && $map;	2819	$map = $check->($map, $x, $y, $self) if $check && $map;
2370	} else {	2820	} else {
2371	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2821	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2372	}	2822	}
2373		2823
2374	$map	2824	$map
2375	};	2825	};
2376		2826
…		…
2382	if ($gen == $self->{_goto_generation}) {	2832	if ($gen == $self->{_goto_generation}) {
2383	delete $self->{_goto_generation};	2833	delete $self->{_goto_generation};
2384	$self->leave_link ($map, $x, $y);	2834	$self->leave_link ($map, $x, $y);
2385	}	2835	}
2386		2836
2387	$done->() if $done;	2837	$done->($self) if $done;
2388	})->prio (1);	2838	})->prio (1);
2389	}	2839	}
2390		2840
2391	=item $player_object->enter_exit ($exit_object)	2841	=item $player_object->enter_exit ($exit_object)
2392		2842
…		…
2412	}	2862	}
2413		2863
2414	sub prepare_random_map {	2864	sub prepare_random_map {
2415	my ($exit) = @_;	2865	my ($exit) = @_;
2416		2866
2417	my $guard = cf::lock_acquire "exit_prepare:$exit";
2418
2419	# all this does is basically replace the /! path by	2867	# all this does is basically replace the /! path by
2420	# a new random map path (?random/...) with a seed	2868	# a new random map path (?random/...) with a seed
2421	# that depends on the exit object	2869	# that depends on the exit object
2422		2870
2423	my $rmp = parse_random_map_params $exit->msg;	2871	my $rmp = parse_random_map_params $exit->msg;
…		…
2425	if ($exit->map) {	2873	if ($exit->map) {
2426	$rmp->{region} = $exit->region->name;	2874	$rmp->{region} = $exit->region->name;
2427	$rmp->{origin_map} = $exit->map->path;	2875	$rmp->{origin_map} = $exit->map->path;
2428	$rmp->{origin_x} = $exit->x;	2876	$rmp->{origin_x} = $exit->x;
2429	$rmp->{origin_y} = $exit->y;	2877	$rmp->{origin_y} = $exit->y;
		2878
		2879	$exit->map->touch;
2430	}	2880	}
2431		2881
2432	$rmp->{random_seed} ||= $exit->random_seed;	2882	$rmp->{random_seed} ||= $exit->random_seed;
2433		2883
2434	my $data = cf::to_json $rmp;	2884	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2435	my $md5 = Digest::MD5::md5_hex $data;	2885	my $md5 = Digest::MD5::md5_hex $data;
2436	my $meta = "$RANDOMDIR/$md5.meta";	2886	my $meta = "$RANDOMDIR/$md5.meta";
2437		2887
2438	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2888	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2439	aio_write $fh, 0, (length $data), $data, 0;	2889	aio_write $fh, 0, (length $data), $data, 0;
2440	undef $fh;	2890	undef $fh;
2441	aio_rename "$meta~", $meta;	2891	aio_rename "$meta~", $meta;
2442		2892
		2893	my $slaying = "?random/$md5";
		2894
		2895	if ($exit->valid) {
2443	$exit->slaying ("?random/$md5");	2896	$exit->slaying ("?random/$md5");
2444	$exit->msg (undef);	2897	$exit->msg (undef);
		2898	}
2445	}	2899	}
2446	}	2900	}
2447		2901
2448	sub cf::object::player::enter_exit {	2902	sub cf::object::player::enter_exit {
2449	my ($self, $exit) = @_;	2903	my ($self, $exit) = @_;
2450		2904
2451	return unless $self->type == cf::PLAYER;	2905	return unless $self->type == cf::PLAYER;
2452		2906
2453	if ($exit->slaying eq "/!") {
2454	#TODO: this should de-fi-ni-te-ly not be a sync-job
2455	# the problem is that $exit might not survive long enough
2456	# so it needs to be done right now, right here
2457	cf::sync_job { prepare_random_map $exit };
2458	}
2459
2460	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2461	my $hp = $exit->stats->hp;
2462	my $sp = $exit->stats->sp;
2463
2464	$self->enter_link;	2907	$self->enter_link;
2465		2908
2466	# if exit is damned, update players death & WoR home-position
2467	$self->contr->savebed ($slaying, $hp, $sp)
2468	if $exit->flag (FLAG_DAMNED);
2469
2470	(async {	2909	(async {
2471	$self->deactivate_recursive; # just to be sure	2910	$Coro::current->{desc} = "enter_exit";
		2911
2472	unless (eval {	2912	unless (eval {
		2913	$self->deactivate_recursive; # just to be sure
		2914
		2915	# random map handling
		2916	{
		2917	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2918
		2919	prepare_random_map $exit
		2920	if $exit->slaying eq "/!";
		2921	}
		2922
		2923	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2924	my $x = $exit->stats->hp;
		2925	my $y = $exit->stats->sp;
		2926
2473	$self->goto ($slaying, $hp, $sp);	2927	$self->goto ($map, $x, $y);
2474		2928
		2929	# if exit is damned, update players death & WoR home-position
		2930	$self->contr->savebed ($map, $x, $y)
		2931	if $exit->flag (cf::FLAG_DAMNED);
		2932
2475	1;	2933	1
2476	}) {	2934	}) {
2477	$self->message ("Something went wrong deep within the crossfire server. "	2935	$self->message ("Something went wrong deep within the deliantra server. "
2478	. "I'll try to bring you back to the map you were before. "	2936	. "I'll try to bring you back to the map you were before. "
2479	. "Please report this to the dungeon master!",	2937	. "Please report this to the dungeon master!",
2480	cf::NDI_UNIQUE | cf::NDI_RED);	2938	cf::NDI_UNIQUE | cf::NDI_RED);
2481		2939
2482	warn "ERROR in enter_exit: $@";	2940	error "ERROR in enter_exit: $@";
2483	$self->leave_link;	2941	$self->leave_link;
2484	}	2942	}
2485	})->prio (1);	2943	})->prio (1);
2486	}	2944	}
2487		2945
…		…
2499	sub cf::client::send_drawinfo {	2957	sub cf::client::send_drawinfo {
2500	my ($self, $text, $flags) = @_;	2958	my ($self, $text, $flags) = @_;
2501		2959
2502	utf8::encode $text;	2960	utf8::encode $text;
2503	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2961	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2962	}
		2963
		2964	=item $client->send_big_packet ($pkt)
		2965
		2966	Like C<send_packet>, but tries to compress large packets, and fragments
		2967	them as required.
		2968
		2969	=cut
		2970
		2971	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2972
		2973	sub cf::client::send_big_packet {
		2974	my ($self, $pkt) = @_;
		2975
		2976	# try lzf for large packets
		2977	$pkt = "lzf " . Compress::LZF::compress $pkt
		2978	if 1024 <= length $pkt and $self->{can_lzf};
		2979
		2980	# split very large packets
		2981	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2982	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2983	$pkt = "frag";
		2984	}
		2985
		2986	$self->send_packet ($pkt);
2504	}	2987	}
2505		2988
2506	=item $client->send_msg ($channel, $msg, $color, [extra...])	2989	=item $client->send_msg ($channel, $msg, $color, [extra...])
2507		2990
2508	Send a drawinfo or msg packet to the client, formatting the msg for the	2991	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2510	the message, with C<log> being the default. If C<$color> is negative, suppress	2993	the message, with C<log> being the default. If C<$color> is negative, suppress
2511	the message unless the client supports the msg packet.	2994	the message unless the client supports the msg packet.
2512		2995
2513	=cut	2996	=cut
2514		2997
		2998	# non-persistent channels (usually the info channel)
2515	our %CHANNEL = (	2999	our %CHANNEL = (
		3000	"c/motd" => {
		3001	id => "infobox",
		3002	title => "MOTD",
		3003	reply => undef,
		3004	tooltip => "The message of the day",
		3005	},
2516	"c/identify" => {	3006	"c/identify" => {
2517	id => "identify",	3007	id => "infobox",
2518	title => "Identify",	3008	title => "Identify",
2519	reply => undef,	3009	reply => undef,
2520	tooltip => "Items recently identified",	3010	tooltip => "Items recently identified",
2521	},	3011	},
2522	"c/examine" => {	3012	"c/examine" => {
2523	id => "examine",	3013	id => "infobox",
2524	title => "Examine",	3014	title => "Examine",
2525	reply => undef,	3015	reply => undef,
2526	tooltip => "Signs and other items you examined",	3016	tooltip => "Signs and other items you examined",
2527	},	3017	},
		3018	"c/shopinfo" => {
		3019	id => "infobox",
		3020	title => "Shop Info",
		3021	reply => undef,
		3022	tooltip => "What your bargaining skill tells you about the shop",
		3023	},
		3024	"c/book" => {
		3025	id => "infobox",
		3026	title => "Book",
		3027	reply => undef,
		3028	tooltip => "The contents of a note or book",
		3029	},
		3030	"c/lookat" => {
		3031	id => "infobox",
		3032	title => "Look",
		3033	reply => undef,
		3034	tooltip => "What you saw there",
		3035	},
		3036	"c/who" => {
		3037	id => "infobox",
		3038	title => "Players",
		3039	reply => undef,
		3040	tooltip => "Shows players who are currently online",
		3041	},
		3042	"c/body" => {
		3043	id => "infobox",
		3044	title => "Body Parts",
		3045	reply => undef,
		3046	tooltip => "Shows which body parts you posess and are available",
		3047	},
		3048	"c/statistics" => {
		3049	id => "infobox",
		3050	title => "Statistics",
		3051	reply => undef,
		3052	tooltip => "Shows your primary statistics",
		3053	},
		3054	"c/skills" => {
		3055	id => "infobox",
		3056	title => "Skills",
		3057	reply => undef,
		3058	tooltip => "Shows your experience per skill and item power",
		3059	},
		3060	"c/shopitems" => {
		3061	id => "infobox",
		3062	title => "Shop Items",
		3063	reply => undef,
		3064	tooltip => "Shows the items currently for sale in this shop",
		3065	},
		3066	"c/resistances" => {
		3067	id => "infobox",
		3068	title => "Resistances",
		3069	reply => undef,
		3070	tooltip => "Shows your resistances",
		3071	},
		3072	"c/pets" => {
		3073	id => "infobox",
		3074	title => "Pets",
		3075	reply => undef,
		3076	tooltip => "Shows information abotu your pets/a specific pet",
		3077	},
		3078	"c/perceiveself" => {
		3079	id => "infobox",
		3080	title => "Perceive Self",
		3081	reply => undef,
		3082	tooltip => "You gained detailed knowledge about yourself",
		3083	},
		3084	"c/uptime" => {
		3085	id => "infobox",
		3086	title => "Uptime",
		3087	reply => undef,
		3088	tooltip => "How long the server has been running since last restart",
		3089	},
		3090	"c/mapinfo" => {
		3091	id => "infobox",
		3092	title => "Map Info",
		3093	reply => undef,
		3094	tooltip => "Information related to the maps",
		3095	},
		3096	"c/party" => {
		3097	id => "party",
		3098	title => "Party",
		3099	reply => "gsay ",
		3100	tooltip => "Messages and chat related to your party",
		3101	},
		3102	"c/death" => {
		3103	id => "death",
		3104	title => "Death",
		3105	reply => undef,
		3106	tooltip => "Reason for and more info about your most recent death",
		3107	},
		3108	"c/say" => $SAY_CHANNEL,
		3109	"c/chat" => $CHAT_CHANNEL,
2528	);	3110	);
2529		3111
2530	sub cf::client::send_msg {	3112	sub cf::client::send_msg {
2531	my ($self, $channel, $msg, $color, @extra) = @_;	3113	my ($self, $channel, $msg, $color, @extra) = @_;
2532		3114
2533	$msg = $self->pl->expand_cfpod ($msg);	3115	$msg = $self->pl->expand_cfpod ($msg)
		3116	unless $color & cf::NDI_VERBATIM;
2534		3117
2535	$color &= cf::NDI_CLIENT_MASK; # just in case...	3118	$color &= cf::NDI_CLIENT_MASK; # just in case...
2536		3119
2537	# check predefined channels, for the benefit of C	3120	# check predefined channels, for the benefit of C
2538	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};	3121	if ($CHANNEL{$channel}) {
		3122	$channel = $CHANNEL{$channel};
2539		3123
		3124	$self->ext_msg (channel_info => $channel);
		3125	$channel = $channel->{id};
		3126
2540	if (ref $channel) {	3127	} elsif (ref $channel) {
2541	# send meta info to client, if not yet sent	3128	# send meta info to client, if not yet sent
2542	unless (exists $self->{channel}{$channel->{id}}) {	3129	unless (exists $self->{channel}{$channel->{id}}) {
2543	$self->{channel}{$channel->{id}} = $channel;	3130	$self->{channel}{$channel->{id}} = $channel;
2544	$self->ext_msg (channel_info => $channel)	3131	$self->ext_msg (channel_info => $channel);
2545	if $self->can_msg;
2546	}	3132	}
2547		3133
2548	$channel = $channel->{id};	3134	$channel = $channel->{id};
2549	}	3135	}
2550		3136
2551	return unless @extra || length $msg;	3137	return unless @extra || length $msg;
2552		3138
2553	if ($self->can_msg) {
2554	# default colour, mask it out	3139	# default colour, mask it out
2555	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3140	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2556	if $color & cf::NDI_DEF;	3141	if $color & cf::NDI_DEF;
2557		3142
2558	$self->send_packet ("msg " . $self->{json_coder}->encode (	3143	my $pkt = "msg "
		3144	. $self->{json_coder}->encode (
2559	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3145	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2560	} else {	3146	);
2561	if ($color >= 0) {
2562	# replace some tags by gcfclient-compatible ones
2563	for ($msg) {
2564	1 while
2565	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2566	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2567	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2568	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2569	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2570	}
2571		3147
2572	$color &= cf::NDI_COLOR_MASK;	3148	$self->send_big_packet ($pkt);
2573
2574	utf8::encode $msg;
2575
2576	if (0 && $msg =~ /\[/) {
2577	# COMMAND/INFO
2578	$self->send_packet ("drawextinfo $color 10 8 $msg")
2579	} else {
2580	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2581	$self->send_packet ("drawinfo $color $msg")
2582	}
2583	}
2584	}
2585	}	3149	}
2586		3150
2587	=item $client->ext_msg ($type, @msg)	3151	=item $client->ext_msg ($type, @msg)
2588		3152
2589	Sends an ext event to the client.	3153	Sends an ext event to the client.
…		…
2592		3156
2593	sub cf::client::ext_msg($$@) {	3157	sub cf::client::ext_msg($$@) {
2594	my ($self, $type, @msg) = @_;	3158	my ($self, $type, @msg) = @_;
2595		3159
2596	if ($self->extcmd == 2) {	3160	if ($self->extcmd == 2) {
2597	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3161	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2598	} elsif ($self->extcmd == 1) { # TODO: remove	3162	} elsif ($self->extcmd == 1) { # TODO: remove
2599	push @msg, msgtype => "event_$type";	3163	push @msg, msgtype => "event_$type";
2600	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3164	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2601	}	3165	}
2602	}	3166	}
2603		3167
2604	=item $client->ext_reply ($msgid, @msg)	3168	=item $client->ext_reply ($msgid, @msg)
2605		3169
…		…
2609		3173
2610	sub cf::client::ext_reply($$@) {	3174	sub cf::client::ext_reply($$@) {
2611	my ($self, $id, @msg) = @_;	3175	my ($self, $id, @msg) = @_;
2612		3176
2613	if ($self->extcmd == 2) {	3177	if ($self->extcmd == 2) {
2614	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3178	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2615	} elsif ($self->extcmd == 1) {	3179	} elsif ($self->extcmd == 1) {
2616	#TODO: version 1, remove	3180	#TODO: version 1, remove
2617	unshift @msg, msgtype => "reply", msgid => $id;	3181	unshift @msg, msgtype => "reply", msgid => $id;
2618	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3182	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2619	}	3183	}
2620	}	3184	}
2621		3185
2622	=item $success = $client->query ($flags, "text", \&cb)	3186	=item $success = $client->query ($flags, "text", \&cb)
2623		3187
…		…
2694		3258
2695	$ns->ext_reply ($reply, @reply)	3259	$ns->ext_reply ($reply, @reply)
2696	if $reply;	3260	if $reply;
2697		3261
2698	} else {	3262	} else {
2699	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3263	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2700	}	3264	}
2701		3265
2702	cf::override;	3266	cf::override;
2703	},	3267	},
2704	);	3268	);
…		…
2724		3288
2725	$coro	3289	$coro
2726	}	3290	}
2727		3291
2728	cf::client->attach (	3292	cf::client->attach (
2729	on_destroy => sub {	3293	on_client_destroy => sub {
2730	my ($ns) = @_;	3294	my ($ns) = @_;
2731		3295
2732	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3296	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2733	},	3297	},
2734	);	3298	);
…		…
2750	our $safe_hole = new Safe::Hole;	3314	our $safe_hole = new Safe::Hole;
2751		3315
2752	$SIG{FPE} = 'IGNORE';	3316	$SIG{FPE} = 'IGNORE';
2753		3317
2754	$safe->permit_only (Opcode::opset qw(	3318	$safe->permit_only (Opcode::opset qw(
2755	:base_core :base_mem :base_orig :base_math	3319	:base_core :base_mem :base_orig :base_math :base_loop
2756	grepstart grepwhile mapstart mapwhile	3320	grepstart grepwhile mapstart mapwhile
2757	sort time	3321	sort time
2758	));	3322	));
2759		3323
2760	# here we export the classes and methods available to script code	3324	# here we export the classes and methods available to script code
…		…
2762	=pod	3326	=pod
2763		3327
2764	The following functions and methods are available within a safe environment:	3328	The following functions and methods are available within a safe environment:
2765		3329
2766	cf::object	3330	cf::object
2767	contr pay_amount pay_player map x y force_find force_add	3331	contr pay_amount pay_player map x y force_find force_add destroy
2768	insert remove name archname title slaying race decrease_ob_nr	3332	insert remove name archname title slaying race decrease split
		3333	value
2769		3334
2770	cf::object::player	3335	cf::object::player
2771	player	3336	player
2772		3337
2773	cf::player	3338	cf::player
…		…
2778		3343
2779	=cut	3344	=cut
2780		3345
2781	for (	3346	for (
2782	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3347	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2783	insert remove inv name archname title slaying race	3348	insert remove inv nrof name archname title slaying race
2784	decrease_ob_nr)],	3349	decrease split destroy change_exp value msg lore send_msg)],
2785	["cf::object::player" => qw(player)],	3350	["cf::object::player" => qw(player)],
2786	["cf::player" => qw(peaceful)],	3351	["cf::player" => qw(peaceful send_msg)],
2787	["cf::map" => qw(trigger)],	3352	["cf::map" => qw(trigger)],
2788	) {	3353	) {
2789	no strict 'refs';
2790	my ($pkg, @funs) = @$_;	3354	my ($pkg, @funs) = @$_;
2791	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3355	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2792	for @funs;	3356	for @funs;
2793	}	3357	}
2794		3358
…		…
2809		3373
2810	my $qcode = $code;	3374	my $qcode = $code;
2811	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3375	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2812	$qcode =~ s/\n/\\n/g;	3376	$qcode =~ s/\n/\\n/g;
2813		3377
		3378	%vars = (_dummy => 0) unless %vars;
		3379
		3380	my @res;
2814	local $_;	3381	local $_;
2815	local @safe::cf::_safe_eval_args = values %vars;
2816		3382
2817	my $eval =	3383	my $eval =
2818	"do {\n"	3384	"do {\n"
2819	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3385	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2820	. "#line 0 \"{$qcode}\"\n"	3386	. "#line 0 \"{$qcode}\"\n"
2821	. $code	3387	. $code
2822	. "\n}"	3388	. "\n}"
2823	;	3389	;
2824		3390
		3391	if ($CFG{safe_eval}) {
2825	sub_generation_inc;	3392	sub_generation_inc;
		3393	local @safe::cf::_safe_eval_args = values %vars;
2826	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3394	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2827	sub_generation_inc;	3395	sub_generation_inc;
		3396	} else {
		3397	local @cf::_safe_eval_args = values %vars;
		3398	@res = wantarray ? eval eval : scalar eval $eval;
		3399	}
2828		3400
2829	if ($@) {	3401	if ($@) {
2830	warn "$@";	3402	warn "$@",
2831	warn "while executing safe code '$code'\n";	3403	"while executing safe code '$code'\n",
2832	warn "with arguments " . (join " ", %vars) . "\n";	3404	"with arguments " . (join " ", %vars) . "\n";
2833	}	3405	}
2834		3406
2835	wantarray ? @res : $res[0]	3407	wantarray ? @res : $res[0]
2836	}	3408	}
2837		3409
…		…
2851	=cut	3423	=cut
2852		3424
2853	sub register_script_function {	3425	sub register_script_function {
2854	my ($fun, $cb) = @_;	3426	my ($fun, $cb) = @_;
2855		3427
2856	no strict 'refs';	3428	$fun = "safe::$fun" if $CFG{safe_eval};
2857	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3429	*$fun = $safe_hole->wrap ($cb);
2858	}	3430	}
2859		3431
2860	=back	3432	=back
2861		3433
2862	=cut	3434	=cut
…		…
2871	# for this (global event?)	3443	# for this (global event?)
2872	%ext::player_env::MUSIC_FACE_CACHE = ();	3444	%ext::player_env::MUSIC_FACE_CACHE = ();
2873		3445
2874	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3446	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2875		3447
2876	warn "loading facedata from $path\n";	3448	trace "loading facedata from $path\n";
2877		3449
2878	my $facedata;	3450	my $facedata = decode_storable load_file $path;
2879	0 < aio_load $path, $facedata
2880	or die "$path: $!";
2881
2882	$facedata = Coro::Storable::thaw $facedata;
2883		3451
2884	$facedata->{version} == 2	3452	$facedata->{version} == 2
2885	or cf::cleanup "$path: version mismatch, cannot proceed.";	3453	or cf::cleanup "$path: version mismatch, cannot proceed.";
2886		3454
2887	# patch in the exptable	3455	# patch in the exptable
		3456	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2888	$facedata->{resource}{"res/exp_table"} = {	3457	$facedata->{resource}{"res/exp_table"} = {
2889	type => FT_RSRC,	3458	type => FT_RSRC,
2890	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3459	data => $exp_table,
		3460	hash => (Digest::MD5::md5 $exp_table),
2891	};	3461	};
2892	cf::cede_to_tick;	3462	cf::cede_to_tick;
2893		3463
2894	{	3464	{
2895	my $faces = $facedata->{faceinfo};	3465	my $faces = $facedata->{faceinfo};
2896		3466
2897	while (my ($face, $info) = each %$faces) {	3467	while (my ($face, $info) = each %$faces) {
2898	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3468	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3469
2899	cf::face::set_visibility $idx, $info->{visibility};	3470	cf::face::set_visibility $idx, $info->{visibility};
2900	cf::face::set_magicmap $idx, $info->{magicmap};	3471	cf::face::set_magicmap $idx, $info->{magicmap};
2901	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3472	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2902	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3473	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3474	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2903		3475
2904	cf::cede_to_tick;	3476	cf::cede_to_tick;
2905	}	3477	}
2906		3478
2907	while (my ($face, $info) = each %$faces) {	3479	while (my ($face, $info) = each %$faces) {
2908	next unless $info->{smooth};	3480	next unless $info->{smooth};
		3481
2909	my $idx = cf::face::find $face	3482	my $idx = cf::face::find $face
2910	or next;	3483	or next;
		3484
2911	if (my $smooth = cf::face::find $info->{smooth}) {	3485	if (my $smooth = cf::face::find $info->{smooth}) {
2912	cf::face::set_smooth $idx, $smooth;	3486	cf::face::set_smooth $idx, $smooth;
2913	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3487	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2914	} else {	3488	} else {
2915	warn "smooth face '$info->{smooth}' not found for face '$face'";	3489	error "smooth face '$info->{smooth}' not found for face '$face'";
2916	}	3490	}
2917		3491
2918	cf::cede_to_tick;	3492	cf::cede_to_tick;
2919	}	3493	}
2920	}	3494	}
…		…
2929		3503
2930	cf::anim::invalidate_all; # d'oh	3504	cf::anim::invalidate_all; # d'oh
2931	}	3505	}
2932		3506
2933	{	3507	{
2934	# TODO: for gcfclient pleasure, we should give resources
2935	# that gcfclient doesn't grok a >10000 face index.
2936	my $res = $facedata->{resource};	3508	my $res = $facedata->{resource};
2937		3509
2938	my $soundconf = delete $res->{"res/sound.conf"};
2939
2940	while (my ($name, $info) = each %$res) {	3510	while (my ($name, $info) = each %$res) {
		3511	if (defined $info->{type}) {
2941	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3512	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2942	my $data;
2943		3513
2944	if ($info->{type} & 1) {	3514	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
2945	# prepend meta info	3515	cf::face::set_type $idx, $info->{type};
2946
2947	my $meta = $enc->encode ({
2948	name => $name,
2949	%{ $info->{meta} || {} },
2950	});
2951
2952	$data = pack "(w/a*)*", $meta, $info->{data};
2953	} else {	3516	} else {
2954	$data = $info->{data};	3517	$RESOURCE{$name} = $info; # unused
2955	}	3518	}
2956		3519
2957	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2958	cf::face::set_type $idx, $info->{type};
2959
2960	cf::cede_to_tick;	3520	cf::cede_to_tick;
2961	}	3521	}
2962
2963	if ($soundconf) {
2964	$soundconf = $enc->decode (delete $soundconf->{data});
2965
2966	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2967	my $sound = $soundconf->{compat}[$_]
2968	or next;
2969
2970	my $face = cf::face::find "sound/$sound->[1]";
2971	cf::sound::set $sound->[0] => $face;
2972	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2973	}
2974
2975	while (my ($k, $v) = each %{$soundconf->{event}}) {
2976	my $face = cf::face::find "sound/$v";
2977	cf::sound::set $k => $face;
2978	}
2979	}
2980	}	3522	}
		3523
		3524	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2981		3525
2982	1	3526	1
2983	}	3527	}
2984		3528
2985	register_exticmd fx_want => sub {	3529	register_exticmd fx_want => sub {
…		…
2987		3531
2988	while (my ($k, $v) = each %$want) {	3532	while (my ($k, $v) = each %$want) {
2989	$ns->fx_want ($k, $v);	3533	$ns->fx_want ($k, $v);
2990	}	3534	}
2991	};	3535	};
		3536
		3537	sub load_resource_file($) {
		3538	my $guard = lock_acquire "load_resource_file";
		3539
		3540	my $status = load_resource_file_ $_[0];
		3541	get_slot 0.1, 100;
		3542	cf::arch::commit_load;
		3543
		3544	$status
		3545	}
2992		3546
2993	sub reload_regions {	3547	sub reload_regions {
2994	# HACK to clear player env face cache, we need some signal framework	3548	# HACK to clear player env face cache, we need some signal framework
2995	# for this (global event?)	3549	# for this (global event?)
2996	%ext::player_env::MUSIC_FACE_CACHE = ();	3550	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3010	}	3564	}
3011		3565
3012	sub reload_archetypes {	3566	sub reload_archetypes {
3013	load_resource_file "$DATADIR/archetypes"	3567	load_resource_file "$DATADIR/archetypes"
3014	or die "unable to load archetypes\n";	3568	or die "unable to load archetypes\n";
3015	#d# NEED to laod twice to resolve forward references
3016	# this really needs to be done in an extra post-pass
3017	# (which needs to be synchronous, so solve it differently)
3018	load_resource_file "$DATADIR/archetypes"
3019	or die "unable to load archetypes\n";
3020	}	3569	}
3021		3570
3022	sub reload_treasures {	3571	sub reload_treasures {
3023	load_resource_file "$DATADIR/treasures"	3572	load_resource_file "$DATADIR/treasures"
3024	or die "unable to load treasurelists\n";	3573	or die "unable to load treasurelists\n";
3025	}	3574	}
3026		3575
		3576	sub reload_sound {
		3577	trace "loading sound config from $DATADIR/sound\n";
		3578
		3579	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3580
		3581	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3582	my $sound = $soundconf->{compat}[$_]
		3583	or next;
		3584
		3585	my $face = cf::face::find "sound/$sound->[1]";
		3586	cf::sound::set $sound->[0] => $face;
		3587	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3588	}
		3589
		3590	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3591	my $face = cf::face::find "sound/$v";
		3592	cf::sound::set $k => $face;
		3593	}
		3594	}
		3595
3027	sub reload_resources {	3596	sub reload_resources {
3028	warn "reloading resource files...\n";	3597	trace "reloading resource files...\n";
3029		3598
		3599	reload_exp_table;
		3600	reload_materials;
		3601	reload_facedata;
		3602	reload_sound;
		3603	reload_archetypes;
3030	reload_regions;	3604	reload_regions;
3031	reload_facedata;
3032	#reload_archetypes;#d#
3033	reload_archetypes;
3034	reload_treasures;	3605	reload_treasures;
3035		3606
3036	warn "finished reloading resource files\n";	3607	trace "finished reloading resource files\n";
3037	}
3038
3039	sub init {
3040	reload_resources;
3041	}	3608	}
3042		3609
3043	sub reload_config {	3610	sub reload_config {
3044	open my $fh, "<:utf8", "$CONFDIR/config"	3611	trace "reloading config file...\n";
3045	or return;
3046		3612
3047	local $/;	3613	my $config = load_file "$CONFDIR/config";
3048	*CFG = YAML::Syck::Load <$fh>;	3614	utf8::decode $config;
		3615	*CFG = decode_yaml $config;
3049		3616
3050	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3617	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3051		3618
3052	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3619	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3053	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3620	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3054		3621
3055	if (exists $CFG{mlockall}) {	3622	if (exists $CFG{mlockall}) {
…		…
3059	};	3626	};
3060	warn $@ if $@;	3627	warn $@ if $@;
3061	}	3628	}
3062	}	3629	}
3063		3630
		3631	sub pidfile() {
		3632	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3633	or die "$PIDFILE: $!";
		3634	flock $fh, &Fcntl::LOCK_EX
		3635	or die "$PIDFILE: flock: $!";
		3636	$fh
		3637	}
		3638
		3639	# make sure only one server instance is running at any one time
		3640	sub atomic {
		3641	my $fh = pidfile;
		3642
		3643	my $pid = <$fh>;
		3644	kill 9, $pid if $pid > 0;
		3645
		3646	seek $fh, 0, 0;
		3647	print $fh $$;
		3648	}
		3649
		3650	sub main_loop {
		3651	trace "EV::loop starting\n";
		3652	if (1) {
		3653	EV::loop;
		3654	}
		3655	trace "EV::loop returned\n";
		3656	goto &main_loop unless $REALLY_UNLOOP;
		3657	}
		3658
3064	sub main {	3659	sub main {
		3660	cf::init_globals; # initialise logging
		3661
		3662	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3663	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3664	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3665	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3666
		3667	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3668
3065	# we must not ever block the main coroutine	3669	# we must not ever block the main coroutine
3066	local $Coro::idle = sub {	3670	local $Coro::idle = sub {
3067	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3671	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3068	(async {	3672	(async {
3069	Event::one_event;	3673	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3674	EV::loop EV::LOOP_ONESHOT;
3070	})->prio (Coro::PRIO_MAX);	3675	})->prio (Coro::PRIO_MAX);
3071	};	3676	};
3072		3677
		3678	evthread_start IO::AIO::poll_fileno;
		3679
		3680	cf::sync_job {
		3681	cf::incloader::init ();
		3682
		3683	cf::init_anim;
		3684	cf::init_attackmess;
		3685	cf::init_dynamic;
		3686
		3687	cf::load_settings;
		3688
		3689	reload_resources;
3073	reload_config;	3690	reload_config;
3074	db_init;	3691	db_init;
		3692
		3693	cf::init_uuid;
		3694	cf::init_signals;
		3695	cf::init_skills;
		3696
		3697	cf::init_beforeplay;
		3698
		3699	atomic;
		3700
3075	load_extensions;	3701	load_extensions;
3076		3702
3077	$TICK_WATCHER->start;	3703	utime time, time, $RUNTIMEFILE;
3078	Event::loop;	3704
		3705	# no (long-running) fork's whatsoever before this point(!)
		3706	use POSIX ();
		3707	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3708
		3709	cf::_post_init 0;
		3710	};
		3711
		3712	cf::object::thawer::errors_are_fatal 0;
		3713	info "parse errors in files are no longer fatal from this point on.\n";
		3714
		3715	my $free_main; $free_main = EV::idle sub {
		3716	undef $free_main;
		3717	undef &main; # free gobs of memory :)
		3718	};
		3719
		3720	goto &main_loop;
3079	}	3721	}
3080		3722
3081	#############################################################################	3723	#############################################################################
3082	# initialisation and cleanup	3724	# initialisation and cleanup
3083		3725
3084	# install some emergency cleanup handlers	3726	# install some emergency cleanup handlers
3085	BEGIN {	3727	BEGIN {
		3728	our %SIGWATCHER = ();
3086	for my $signal (qw(INT HUP TERM)) {	3729	for my $signal (qw(INT HUP TERM)) {
3087	Event->signal (	3730	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3088	reentrant => 0,
3089	data => WF_AUTOCANCEL,
3090	signal => $signal,
3091	prio => 0,
3092	cb => sub {
3093	cf::cleanup "SIG$signal";	3731	cf::cleanup "SIG$signal";
3094	},
3095	);	3732	};
3096	}	3733	}
3097	}	3734	}
3098		3735
3099	sub write_runtime {	3736	sub write_runtime_sync {
3100	my $runtime = "$LOCALDIR/runtime";	3737	my $t0 = AE::time;
3101		3738
3102	# first touch the runtime file to show we are still running:	3739	# first touch the runtime file to show we are still running:
3103	# the fsync below can take a very very long time.	3740	# the fsync below can take a very very long time.
3104		3741
3105	IO::AIO::aio_utime $runtime, undef, undef;	3742	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3106		3743
3107	my $guard = cf::lock_acquire "write_runtime";	3744	my $guard = cf::lock_acquire "write_runtime";
3108		3745
3109	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3746	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3110	or return;	3747	or return;
3111		3748
3112	my $value = $cf::RUNTIME + 90 + 10;	3749	my $value = $cf::RUNTIME + 90 + 10;
3113	# 10 is the runtime save interval, for a monotonic clock	3750	# 10 is the runtime save interval, for a monotonic clock
3114	# 60 allows for the watchdog to kill the server.	3751	# 60 allows for the watchdog to kill the server.
…		…
3124	aio_utime $fh, undef, undef;	3761	aio_utime $fh, undef, undef;
3125		3762
3126	close $fh	3763	close $fh
3127	or return;	3764	or return;
3128		3765
3129	aio_rename "$runtime~", $runtime	3766	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3130	and return;	3767	and return;
3131		3768
3132	warn "runtime file written.\n";	3769	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3133		3770
3134	1	3771	1
		3772	}
		3773
		3774	our $uuid_lock;
		3775	our $uuid_skip;
		3776
		3777	sub write_uuid_sync($) {
		3778	$uuid_skip ||= $_[0];
		3779
		3780	return if $uuid_lock;
		3781	local $uuid_lock = 1;
		3782
		3783	my $uuid = "$LOCALDIR/uuid";
		3784
		3785	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3786	or return;
		3787
		3788	my $value = uuid_seq uuid_cur;
		3789
		3790	unless ($value) {
		3791	info "cowardly refusing to write zero uuid value!\n";
		3792	return;
		3793	}
		3794
		3795	my $value = uuid_str $value + $uuid_skip;
		3796	$uuid_skip = 0;
		3797
		3798	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3799	and return;
		3800
		3801	# always fsync - this file is important
		3802	aio_fsync $fh
		3803	and return;
		3804
		3805	close $fh
		3806	or return;
		3807
		3808	aio_rename "$uuid~", $uuid
		3809	and return;
		3810
		3811	trace "uuid file written ($value).\n";
		3812
		3813	1
		3814
		3815	}
		3816
		3817	sub write_uuid($$) {
		3818	my ($skip, $sync) = @_;
		3819
		3820	$sync ? write_uuid_sync $skip
		3821	: async { write_uuid_sync $skip };
3135	}	3822	}
3136		3823
3137	sub emergency_save() {	3824	sub emergency_save() {
3138	my $freeze_guard = cf::freeze_mainloop;	3825	my $freeze_guard = cf::freeze_mainloop;
3139		3826
3140	warn "enter emergency perl save\n";	3827	info "emergency_perl_save: enter\n";
		3828
		3829	# this is a trade-off: we want to be very quick here, so
		3830	# save all maps without fsync, and later call a global sync
		3831	# (which in turn might be very very slow)
		3832	local $USE_FSYNC = 0;
3141		3833
3142	cf::sync_job {	3834	cf::sync_job {
		3835	cf::write_runtime_sync; # external watchdog should not bark
		3836
3143	# use a peculiar iteration method to avoid tripping on perl	3837	# use a peculiar iteration method to avoid tripping on perl
3144	# refcount bugs in for. also avoids problems with players	3838	# refcount bugs in for. also avoids problems with players
3145	# and maps saved/destroyed asynchronously.	3839	# and maps saved/destroyed asynchronously.
3146	warn "begin emergency player save\n";	3840	info "emergency_perl_save: begin player save\n";
3147	for my $login (keys %cf::PLAYER) {	3841	for my $login (keys %cf::PLAYER) {
3148	my $pl = $cf::PLAYER{$login} or next;	3842	my $pl = $cf::PLAYER{$login} or next;
3149	$pl->valid or next;	3843	$pl->valid or next;
		3844	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3150	$pl->save;	3845	$pl->save;
3151	}	3846	}
3152	warn "end emergency player save\n";	3847	info "emergency_perl_save: end player save\n";
3153		3848
3154	warn "begin emergency map save\n";	3849	cf::write_runtime_sync; # external watchdog should not bark
		3850
		3851	info "emergency_perl_save: begin map save\n";
3155	for my $path (keys %cf::MAP) {	3852	for my $path (keys %cf::MAP) {
3156	my $map = $cf::MAP{$path} or next;	3853	my $map = $cf::MAP{$path} or next;
3157	$map->valid or next;	3854	$map->valid or next;
3158	$map->save;	3855	$map->save;
3159	}	3856	}
3160	warn "end emergency map save\n";	3857	info "emergency_perl_save: end map save\n";
3161		3858
3162	warn "begin emergency database checkpoint\n";	3859	cf::write_runtime_sync; # external watchdog should not bark
		3860
		3861	info "emergency_perl_save: begin database checkpoint\n";
3163	BDB::db_env_txn_checkpoint $DB_ENV;	3862	BDB::db_env_txn_checkpoint $DB_ENV;
3164	warn "end emergency database checkpoint\n";	3863	info "emergency_perl_save: end database checkpoint\n";
		3864
		3865	info "emergency_perl_save: begin write uuid\n";
		3866	write_uuid_sync 1;
		3867	info "emergency_perl_save: end write uuid\n";
		3868
		3869	cf::write_runtime_sync; # external watchdog should not bark
		3870
		3871	trace "emergency_perl_save: syncing database to disk";
		3872	BDB::db_env_txn_checkpoint $DB_ENV;
		3873
		3874	info "emergency_perl_save: starting sync\n";
		3875	IO::AIO::aio_sync sub {
		3876	info "emergency_perl_save: finished sync\n";
		3877	};
		3878
		3879	cf::write_runtime_sync; # external watchdog should not bark
		3880
		3881	trace "emergency_perl_save: flushing outstanding aio requests";
		3882	while (IO::AIO::nreqs || BDB::nreqs) {
		3883	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3884	}
		3885
		3886	cf::write_runtime_sync; # external watchdog should not bark
3165	};	3887	};
3166		3888
3167	warn "leave emergency perl save\n";	3889	info "emergency_perl_save: leave\n";
3168	}	3890	}
3169		3891
3170	sub post_cleanup {	3892	sub post_cleanup {
3171	my ($make_core) = @_;	3893	my ($make_core) = @_;
3172		3894
		3895	IO::AIO::flush;
		3896
3173	warn Carp::longmess "post_cleanup backtrace"	3897	error Carp::longmess "post_cleanup backtrace"
3174	if $make_core;	3898	if $make_core;
		3899
		3900	my $fh = pidfile;
		3901	unlink $PIDFILE if <$fh> == $$;
		3902	}
		3903
		3904	# a safer delete_package, copied from Symbol
		3905	sub clear_package($) {
		3906	my $pkg = shift;
		3907
		3908	# expand to full symbol table name if needed
		3909	unless ($pkg =~ /^main::.*::$/) {
		3910	$pkg = "main$pkg" if $pkg =~ /^::/;
		3911	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3912	$pkg .= '::' unless $pkg =~ /::$/;
		3913	}
		3914
		3915	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3916	my $stem_symtab = *{$stem}{HASH};
		3917
		3918	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3919	or return;
		3920
		3921	# clear all symbols
		3922	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3923	for my $name (keys %$leaf_symtab) {
		3924	_gv_clear *{"$pkg$name"};
		3925	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3926	}
3175	}	3927	}
3176		3928
3177	sub do_reload_perl() {	3929	sub do_reload_perl() {
3178	# can/must only be called in main	3930	# can/must only be called in main
3179	if ($Coro::current != $Coro::main) {	3931	unless (in_main) {
3180	warn "can only reload from main coroutine";	3932	error "can only reload from main coroutine";
3181	return;	3933	return;
3182	}	3934	}
3183		3935
3184	warn "reloading...";	3936	return if $RELOAD++;
3185		3937
3186	warn "entering sync_job";	3938	my $t1 = AE::time;
3187		3939
		3940	while ($RELOAD) {
		3941	cf::get_slot 0.1, -1, "reload_perl";
		3942	info "perl_reload: reloading...";
		3943
		3944	trace "perl_reload: entering sync_job";
		3945
3188	cf::sync_job {	3946	cf::sync_job {
3189	cf::write_runtime; # external watchdog should not bark
3190	cf::emergency_save;	3947	#cf::emergency_save;
3191	cf::write_runtime; # external watchdog should not bark
3192		3948
3193	warn "syncing database to disk";
3194	BDB::db_env_txn_checkpoint $DB_ENV;
3195
3196	# if anything goes wrong in here, we should simply crash as we already saved
3197
3198	warn "cancelling all WF_AUTOCANCEL watchers";
3199	for (Event::all_watchers) {
3200	$_->cancel if $_->data & WF_AUTOCANCEL;
3201	}
3202
3203	warn "flushing outstanding aio requests";
3204	for (;;) {
3205	BDB::flush;
3206	IO::AIO::flush;
3207	Coro::cede;
3208	last unless IO::AIO::nreqs || BDB::nreqs;
3209	warn "iterate...";
3210	}
3211
3212	++$RELOAD;
3213
3214	warn "cancelling all extension coros";	3949	trace "perl_reload: cancelling all extension coros";
3215	$_->cancel for values %EXT_CORO;	3950	$_->cancel for values %EXT_CORO;
3216	%EXT_CORO = ();	3951	%EXT_CORO = ();
3217		3952
3218	warn "removing commands";	3953	trace "perl_reload: removing commands";
3219	%COMMAND = ();	3954	%COMMAND = ();
3220		3955
3221	warn "removing ext/exti commands";	3956	trace "perl_reload: removing ext/exti commands";
3222	%EXTCMD = ();	3957	%EXTCMD = ();
3223	%EXTICMD = ();	3958	%EXTICMD = ();
3224		3959
3225	warn "unloading/nuking all extensions";	3960	trace "perl_reload: unloading/nuking all extensions";
3226	for my $pkg (@EXTS) {	3961	for my $pkg (@EXTS) {
3227	warn "... unloading $pkg";	3962	trace "... unloading $pkg";
3228		3963
3229	if (my $cb = $pkg->can ("unload")) {	3964	if (my $cb = $pkg->can ("unload")) {
3230	eval {	3965	eval {
3231	$cb->($pkg);	3966	$cb->($pkg);
3232	1	3967	1
3233	} or warn "$pkg unloaded, but with errors: $@";	3968	} or error "$pkg unloaded, but with errors: $@";
		3969	}
		3970
		3971	trace "... clearing $pkg";
		3972	clear_package $pkg;
3234	}	3973	}
3235		3974
3236	warn "... nuking $pkg";
3237	Symbol::delete_package $pkg;
3238	}
3239
3240	warn "unloading all perl modules loaded from $LIBDIR";	3975	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3241	while (my ($k, $v) = each %INC) {	3976	while (my ($k, $v) = each %INC) {
3242	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3977	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3243		3978
3244	warn "... unloading $k";	3979	trace "... unloading $k";
3245	delete $INC{$k};	3980	delete $INC{$k};
3246		3981
3247	$k =~ s/\.pm$//;	3982	$k =~ s/\.pm$//;
3248	$k =~ s/\//::/g;	3983	$k =~ s/\//::/g;
3249		3984
3250	if (my $cb = $k->can ("unload_module")) {	3985	if (my $cb = $k->can ("unload_module")) {
3251	$cb->();	3986	$cb->();
		3987	}
		3988
		3989	clear_package $k;
3252	}	3990	}
3253		3991
3254	Symbol::delete_package $k;
3255	}
3256
3257	warn "getting rid of safe::, as good as possible";	3992	trace "perl_reload: getting rid of safe::, as good as possible";
3258	Symbol::delete_package "safe::$_"	3993	clear_package "safe::$_"
3259	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3994	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3260		3995
3261	warn "unloading cf.pm \"a bit\"";	3996	trace "perl_reload: unloading cf.pm \"a bit\"";
3262	delete $INC{"cf.pm"};	3997	delete $INC{"cf.pm"};
3263	delete $INC{"cf/pod.pm"};	3998	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3264		3999
3265	# don't, removes xs symbols, too,	4000	# don't, removes xs symbols, too,
3266	# and global variables created in xs	4001	# and global variables created in xs
3267	#Symbol::delete_package __PACKAGE__;	4002	#clear_package __PACKAGE__;
3268		4003
3269	warn "unload completed, starting to reload now";	4004	info "perl_reload: unload completed, starting to reload now";
3270		4005
3271	warn "reloading cf.pm";	4006	trace "perl_reload: reloading cf.pm";
3272	require cf;	4007	require cf;
3273	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4008	cf::_connect_to_perl_1;
3274		4009
3275	warn "loading config and database again";	4010	trace "perl_reload: loading config and database again";
3276	cf::reload_config;	4011	cf::reload_config;
3277		4012
3278	warn "loading extensions";	4013	trace "perl_reload: loading extensions";
3279	cf::load_extensions;	4014	cf::load_extensions;
3280		4015
		4016	if ($REATTACH_ON_RELOAD) {
3281	warn "reattaching attachments to objects/players";	4017	trace "perl_reload: reattaching attachments to objects/players";
3282	_global_reattach; # objects, sockets	4018	_global_reattach; # objects, sockets
3283	warn "reattaching attachments to maps";	4019	trace "perl_reload: reattaching attachments to maps";
3284	reattach $_ for values %MAP;	4020	reattach $_ for values %MAP;
3285	warn "reattaching attachments to players";	4021	trace "perl_reload: reattaching attachments to players";
3286	reattach $_ for values %PLAYER;	4022	reattach $_ for values %PLAYER;
		4023	}
3287		4024
3288	warn "leaving sync_job";	4025	cf::_post_init 1;
3289		4026
		4027	trace "perl_reload: leaving sync_job";
		4028
3290	1	4029	1
3291	} or do {	4030	} or do {
3292	warn $@;	4031	error $@;
3293	warn "error while reloading, exiting.";	4032	cf::cleanup "perl_reload: error, exiting.";
3294	exit 1;	4033	};
		4034
		4035	--$RELOAD;
3295	};	4036	}
3296		4037
3297	warn "reloaded";	4038	$t1 = AE::time - $t1;
		4039	info "perl_reload: completed in ${t1}s\n";
3298	};	4040	};
3299		4041
3300	our $RELOAD_WATCHER; # used only during reload	4042	our $RELOAD_WATCHER; # used only during reload
3301		4043
3302	sub reload_perl() {	4044	sub reload_perl() {
3303	# doing reload synchronously and two reloads happen back-to-back,	4045	# doing reload synchronously and two reloads happen back-to-back,
3304	# coro crashes during coro_state_free->destroy here.	4046	# coro crashes during coro_state_free->destroy here.
3305		4047
3306	$RELOAD_WATCHER ||= Event->timer (	4048	$RELOAD_WATCHER ||= cf::async {
3307	reentrant => 0,	4049	Coro::AIO::aio_wait cache_extensions;
3308	after => 0,	4050
3309	data => WF_AUTOCANCEL,	4051	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3310	cb => sub {
3311	do_reload_perl;	4052	do_reload_perl;
3312	undef $RELOAD_WATCHER;	4053	undef $RELOAD_WATCHER;
3313	},	4054	};
3314	);	4055	};
3315	}	4056	}
3316		4057
3317	register_command "reload" => sub {	4058	register_command "reload" => sub {
3318	my ($who, $arg) = @_;	4059	my ($who, $arg) = @_;
3319		4060
3320	if ($who->flag (FLAG_WIZ)) {	4061	if ($who->flag (FLAG_WIZ)) {
3321	$who->message ("reloading server.");	4062	$who->message ("reloading server.");
		4063	async {
		4064	$Coro::current->{desc} = "perl_reload";
3322	async { reload_perl };	4065	reload_perl;
		4066	};
3323	}	4067	}
3324	};	4068	};
3325		4069
3326	unshift @INC, $LIBDIR;	4070	#############################################################################
3327		4071
3328	my $bug_warning = 0;	4072	my $bug_warning = 0;
3329		4073
3330	our @WAIT_FOR_TICK;	4074	our @WAIT_FOR_TICK;
3331	our @WAIT_FOR_TICK_BEGIN;	4075	our @WAIT_FOR_TICK_BEGIN;
3332		4076
3333	sub wait_for_tick {	4077	sub wait_for_tick() {
3334	return unless $TICK_WATCHER->is_active;
3335	return if $Coro::current == $Coro::main;	4078	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3336		4079
3337	my $signal = new Coro::Signal;	4080	my $signal = new Coro::Signal;
3338	push @WAIT_FOR_TICK, $signal;	4081	push @WAIT_FOR_TICK, $signal;
3339	$signal->wait;	4082	$signal->wait;
3340	}	4083	}
3341		4084
3342	sub wait_for_tick_begin {	4085	sub wait_for_tick_begin() {
3343	return unless $TICK_WATCHER->is_active;
3344	return if $Coro::current == $Coro::main;	4086	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3345		4087
3346	my $signal = new Coro::Signal;	4088	my $signal = new Coro::Signal;
3347	push @WAIT_FOR_TICK_BEGIN, $signal;	4089	push @WAIT_FOR_TICK_BEGIN, $signal;
3348	$signal->wait;	4090	$signal->wait;
3349	}	4091	}
3350		4092
3351	my $min = 1e6;#d#	4093	sub tick {
3352	my $avg = 10;
3353	$TICK_WATCHER = Event->timer (
3354	reentrant => 0,
3355	parked => 1,
3356	prio => 0,
3357	at => $NEXT_TICK || $TICK,
3358	data => WF_AUTOCANCEL,
3359	cb => sub {
3360	if ($Coro::current != $Coro::main) {	4094	if ($Coro::current != $Coro::main) {
3361	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4095	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3362	unless ++$bug_warning > 10;	4096	unless ++$bug_warning > 10;
3363	return;	4097	return;
3364	}	4098	}
3365		4099
3366	$NOW = $tick_start = Event::time;
3367
3368	cf::server_tick; # one server iteration	4100	cf::server_tick; # one server iteration
3369		4101
3370	0 && sync_job {#d#	4102	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3371	for(1..10) {
3372	my $t = Event::time;
3373	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3374	or die;
3375		4103
3376	$map->width (50);	4104	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3377	$map->height (50);	4105	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3378	$map->alloc;	4106	Coro::async_pool {
3379	$map->_load_objects ("/tmp/x.map", 1);	4107	$Coro::current->{desc} = "runtime saver";
3380	my $t = Event::time - $t;	4108	write_runtime_sync
3381		4109	or error "ERROR: unable to write runtime file: $!";
3382	#next unless $t < 0.0013;#d#
3383	if ($t < $min) {
3384	$min = $t;
3385	}
3386	$avg = $avg * 0.99 + $t * 0.01;
3387	}
3388	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3389	exit 0;
3390	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3391	};	4110	};
		4111	}
3392		4112
3393	$RUNTIME += $TICK;
3394	$NEXT_TICK += $TICK;
3395
3396	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3397	$NEXT_RUNTIME_WRITE = $NOW + 10;
3398	Coro::async_pool {
3399	write_runtime
3400	or warn "ERROR: unable to write runtime file: $!";
3401	};
3402	}
3403
3404	# my $AFTER = Event::time;
3405	# warn $AFTER - $NOW;#d#
3406
3407	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4113	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3408	$sig->send;	4114	$sig->send;
3409	}	4115	}
3410	while (my $sig = shift @WAIT_FOR_TICK) {	4116	while (my $sig = shift @WAIT_FOR_TICK) {
3411	$sig->send;	4117	$sig->send;
3412	}	4118	}
3413		4119
3414	$NOW = Event::time;	4120	$LOAD = ($NOW - $TICK_START) / $TICK;
3415
3416	# if we are delayed by four ticks or more, skip them all
3417	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3418
3419	$TICK_WATCHER->at ($NEXT_TICK);
3420	$TICK_WATCHER->start;
3421
3422	$LOAD = ($NOW - $tick_start) / $TICK;
3423	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4121	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3424		4122
3425	_post_tick;	4123	if (0) {
3426		4124	if ($NEXT_TICK) {
3427		4125	my $jitter = $TICK_START - $NEXT_TICK;
		4126	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4127	debug "jitter $JITTER\n";#d#
		4128	}
3428	},	4129	}
3429	);	4130	}
3430		4131
3431	{	4132	{
3432	BDB::max_poll_time $TICK * 0.1;	4133	# configure BDB
3433	$BDB_POLL_WATCHER = Event->io (	4134
3434	reentrant => 0,
3435	fd => BDB::poll_fileno,
3436	poll => 'r',
3437	prio => 0,
3438	data => WF_AUTOCANCEL,
3439	cb => \&BDB::poll_cb,
3440	);
3441	BDB::min_parallel 8;	4135	BDB::min_parallel 16;
3442		4136	BDB::max_poll_reqs $TICK * 0.1;
3443	BDB::set_sync_prepare {	4137	$AnyEvent::BDB::WATCHER->priority (1);
3444	my $status;
3445	my $current = $Coro::current;
3446	(
3447	sub {
3448	$status = $!;
3449	$current->ready; undef $current;
3450	},
3451	sub {
3452	Coro::schedule while defined $current;
3453	$! = $status;
3454	},
3455	)
3456	};
3457		4138
3458	unless ($DB_ENV) {	4139	unless ($DB_ENV) {
3459	$DB_ENV = BDB::db_env_create;	4140	$DB_ENV = BDB::db_env_create;
		4141	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4142	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4143	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4144	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4145	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3460		4146
3461	cf::sync_job {	4147	cf::sync_job {
3462	eval {	4148	eval {
3463	BDB::db_env_open	4149	BDB::db_env_open
3464	$DB_ENV,	4150	$DB_ENV,
…		…
3466	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4152	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3467	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4153	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3468	0666;	4154	0666;
3469		4155
3470	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4156	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3471
3472	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3473	$DB_ENV->set_lk_detect;
3474	};	4157	};
3475		4158
3476	cf::cleanup "db_env_open(db): $@" if $@;	4159	cf::cleanup "db_env_open(db): $@" if $@;
3477	};	4160	};
3478	}	4161	}
		4162
		4163	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4164	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4165	};
		4166	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4167	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4168	};
		4169	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4170	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4171	};
3479	}	4172	}
3480		4173
3481	{	4174	{
		4175	# configure IO::AIO
		4176
3482	IO::AIO::min_parallel 8;	4177	IO::AIO::min_parallel 8;
3483
3484	undef $Coro::AIO::WATCHER;
3485	IO::AIO::max_poll_time $TICK * 0.1;	4178	IO::AIO::max_poll_time $TICK * 0.1;
3486	$AIO_POLL_WATCHER = Event->io (	4179	undef $AnyEvent::AIO::WATCHER;
3487	reentrant => 0,
3488	data => WF_AUTOCANCEL,
3489	fd => IO::AIO::poll_fileno,
3490	poll => 'r',
3491	prio => 6,
3492	cb => \&IO::AIO::poll_cb,
3493	);
3494	}	4180	}
3495		4181
3496	my $_log_backtrace;	4182	our $_log_backtrace;
		4183	our $_log_backtrace_last;
3497		4184
3498	sub _log_backtrace {	4185	sub _log_backtrace {
3499	my ($msg, @addr) = @_;	4186	my ($msg, @addr) = @_;
3500		4187
3501	$msg =~ s/\n//;	4188	$msg =~ s/\n$//;
3502		4189
		4190	if ($_log_backtrace_last eq $msg) {
		4191	LOG llevInfo, "[ABT] $msg\n";
		4192	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3503	# limit the # of concurrent backtraces	4193	# limit the # of concurrent backtraces
3504	if ($_log_backtrace < 2) {	4194	} elsif ($_log_backtrace < 2) {
		4195	$_log_backtrace_last = $msg;
3505	++$_log_backtrace;	4196	++$_log_backtrace;
		4197	my $perl_bt = Carp::longmess $msg;
3506	async {	4198	async {
		4199	$Coro::current->{desc} = "abt $msg";
		4200
3507	my @bt = fork_call {	4201	my @bt = fork_call {
3508	@addr = map { sprintf "%x", $_ } @addr;	4202	@addr = map { sprintf "%x", $_ } @addr;
3509	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4203	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3510	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4204	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3511	or die "addr2line: $!";	4205	or die "addr2line: $!";
…		…
3519	}	4213	}
3520		4214
3521	@funcs	4215	@funcs
3522	};	4216	};
3523		4217
3524	LOG llevInfo, "[ABT] $msg\n";	4218	LOG llevInfo, "[ABT] $perl_bt\n";
		4219	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3525	LOG llevInfo, "[ABT] $_\n" for @bt;	4220	LOG llevInfo, "[ABT] $_\n" for @bt;
3526	--$_log_backtrace;	4221	--$_log_backtrace;
3527	};	4222	};
3528	} else {	4223	} else {
3529	LOG llevInfo, "[ABT] $msg\n";	4224	LOG llevInfo, "[ABT] $msg\n";
3530	LOG llevInfo, "[ABT] [suppressed]\n";	4225	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3531	}	4226	}
3532	}	4227	}
3533		4228
3534	# load additional modules	4229	# load additional modules
3535	use cf::pod;	4230	require "cf/$_.pm" for @EXTRA_MODULES;
		4231	cf::_connect_to_perl_2;
3536		4232
3537	END { cf::emergency_save }	4233	END { cf::emergency_save }
3538		4234
3539	1	4235	1
3540		4236

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