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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.351 by root, Sun Sep 2 00:57:38 2007 UTC vs.
Revision 1.562 by root, Sat Apr 23 04:46:26 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;
…		…
1413	or return [];	1775	or return [];
1414		1776
1415	my @logins;	1777	my @logins;
1416		1778
1417	for my $login (@$dirs) {	1779	for my $login (@$dirs) {
		1780	my $path = path $login;
		1781
		1782	# a .pst is a dead give-away for a valid player
		1783	# if no pst file found, open and chekc for blocked users
		1784	if (aio_stat "$path.pst") {
1418	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1785	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1419	aio_read $fh, 0, 512, my $buf, 0 or next;	1786	aio_read $fh, 0, 512, my $buf, 0 or next;
1420	$buf !~ /^password -------------$/m or next; # official not-valid tag	1787	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1788	}
1421		1789
1422	utf8::decode $login;	1790	utf8::decode $login;
1423	push @logins, $login;	1791	push @logins, $login;
1424	}	1792	}
1425		1793
1426	\@logins	1794	\@logins
1427	}	1795	}
1428		1796
1429	=item $player->maps	1797	=item $player->maps
		1798
		1799	=item cf::player::maps $login
1430		1800
1431	Returns an arrayref of map paths that are private for this	1801	Returns an arrayref of map paths that are private for this
1432	player. May block.	1802	player. May block.
1433		1803
1434	=cut	1804	=cut
…		…
1452	}	1822	}
1453		1823
1454	\@paths	1824	\@paths
1455	}	1825	}
1456		1826
1457	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1827	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1458		1828
1459	Expand crossfire pod fragments into protocol xml.	1829	Expand deliantra pod fragments into protocol xml.
1460
1461	=cut
1462
1463	sub expand_cfpod {
1464	((my $self), (local $_)) = @_;
1465
1466	# escape & and <
1467	s/&/&amp;/g;
1468	s/(?<![BIUGH])</&lt;/g;
1469
1470	# this is buggy, it needs to properly take care of nested <'s
1471
1472	1 while
1473	# replace B<>, I<>, U<> etc.
1474	s/B<([^\>]*)>/<b>$1<\/b>/
1475	|| s/I<([^\>]*)>/<i>$1<\/i>/
1476	|| s/U<([^\>]*)>/<u>$1<\/u>/
1477	# replace G<male|female> tags
1478	|| s{G<([^>|]*)\|([^>]*)>}{
1479	$self->gender ? $2 : $1
1480	}ge
1481	# replace H<hint text>
1482	|| s{H<([^\>]*)>}
1483	{
1484	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1485	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1486	"")
1487	[$self->{hintmode}]
1488	}ge;
1489
1490	# create single paragraphs (very hackish)
1491	s/(?<=\S)\n(?=\w)/ /g;
1492
1493	# compress some whitespace
1494	s/\s+\n/\n/g; # ws line-ends
1495	s/\n\n+/\n/g; # double lines
1496	s/^\n+//; # beginning lines
1497	s/\n+$//; # ending lines
1498
1499	$_
1500	}
1501
1502	sub hintmode {
1503	$_[0]{hintmode} = $_[1] if @_ > 1;
1504	$_[0]{hintmode}
1505	}
1506		1830
1507	=item $player->ext_reply ($msgid, @msg)	1831	=item $player->ext_reply ($msgid, @msg)
1508		1832
1509	Sends an ext reply to the player.	1833	Sends an ext reply to the player.
1510		1834
…		…
1542		1866
1543	=cut	1867	=cut
1544		1868
1545	sub find_by_path($) {	1869	sub find_by_path($) {
1546	my ($path) = @_;	1870	my ($path) = @_;
		1871
		1872	$path =~ s/^~[^\/]*//; # skip ~login
1547		1873
1548	my ($match, $specificity);	1874	my ($match, $specificity);
1549		1875
1550	for my $region (list) {	1876	for my $region (list) {
1551	if ($region->{match} && $path =~ $region->{match}) {	1877	if ($region->{match} && $path =~ $region->{match}) {
…		…
1577	our $MAX_RESET = 3600;	1903	our $MAX_RESET = 3600;
1578	our $DEFAULT_RESET = 3000;	1904	our $DEFAULT_RESET = 3000;
1579		1905
1580	sub generate_random_map {	1906	sub generate_random_map {
1581	my ($self, $rmp) = @_;	1907	my ($self, $rmp) = @_;
1582	# mit "rum" bekleckern, nicht	1908
		1909	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1910
1583	$self->_create_random_map (	1911	$self->_create_random_map ($rmp);
1584	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1585	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1586	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1587	$rmp->{exit_on_final_map},
1588	$rmp->{xsize}, $rmp->{ysize},
1589	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1590	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1591	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1592	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1593	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1594	(cf::region::find $rmp->{region}), $rmp->{custom}
1595	)
1596	}	1912	}
1597		1913
1598	=item cf::map->register ($regex, $prio)	1914	=item cf::map->register ($regex, $prio)
1599		1915
1600	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
…		…
1605		1921
1606	sub register {	1922	sub register {
1607	my (undef, $regex, $prio) = @_;	1923	my (undef, $regex, $prio) = @_;
1608	my $pkg = caller;	1924	my $pkg = caller;
1609		1925
1610	no strict;
1611	push @{"$pkg\::ISA"}, __PACKAGE__;	1926	push @{"$pkg\::ISA"}, __PACKAGE__;
1612		1927
1613	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1928	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1614	}	1929	}
1615		1930
1616	# also paths starting with '/'	1931	# also paths starting with '/'
1617	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1932	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1618		1933
1619	sub thawer_merge {	1934	sub thawer_merge {
1620	my ($self, $merge) = @_;	1935	my ($self, $merge) = @_;
1621		1936
1622	# we have to keep some variables in memory intact	1937	# we have to keep some variables in memory intact
…		…
1627	}	1942	}
1628		1943
1629	sub normalise {	1944	sub normalise {
1630	my ($path, $base) = @_;	1945	my ($path, $base) = @_;
1631		1946
1632	$path = "$path"; # make sure its a string	1947	$path = "$path"; # make sure it's a string
1633		1948
1634	$path =~ s/\.map$//;	1949	$path =~ s/\.map$//;
1635		1950
1636	# map plan:	1951	# map plan:
1637	#	1952	#
…		…
1652	$base =~ s{[^/]+/?$}{};	1967	$base =~ s{[^/]+/?$}{};
1653	$path = "$base/$path";	1968	$path = "$base/$path";
1654	}	1969	}
1655		1970
1656	for ($path) {	1971	for ($path) {
1657	redo if s{//}{/};
1658	redo if s{/\.?/}{/};	1972	redo if s{/\.?/}{/};
1659	redo if s{/[^/]+/\.\./}{/};	1973	redo if s{/[^/]+/\.\./}{/};
1660	}	1974	}
1661		1975
1662	$path	1976	$path
…		…
1676	$self->init; # pass $1 etc.	1990	$self->init; # pass $1 etc.
1677	return $self;	1991	return $self;
1678	}	1992	}
1679	}	1993	}
1680		1994
1681	Carp::cluck "unable to resolve path '$path' (base '$base').";	1995	Carp::cluck "unable to resolve path '$path' (base '$base')";
1682	()	1996	()
1683	}	1997	}
1684		1998
		1999	# may re-bless or do other evil things
1685	sub init {	2000	sub init {
1686	my ($self) = @_;	2001	my ($self) = @_;
1687		2002
1688	$self	2003	$self
1689	}	2004	}
…		…
1708		2023
1709	# the temporary/swap location	2024	# the temporary/swap location
1710	sub save_path {	2025	sub save_path {
1711	my ($self) = @_;	2026	my ($self) = @_;
1712		2027
1713	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2028	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1714	"$TMPDIR/$path.map"	2029	"$TMPDIR/$path.map"
1715	}	2030	}
1716		2031
1717	# the unique path, undef == no special unique path	2032	# the unique path, undef == no special unique path
1718	sub uniq_path {	2033	sub uniq_path {
1719	my ($self) = @_;	2034	my ($self) = @_;
1720		2035
1721	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2036	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1722	"$UNIQUEDIR/$path"	2037	"$UNIQUEDIR/$path"
1723	}
1724
1725	# and all this just because we cannot iterate over
1726	# all maps in C++...
1727	sub change_all_map_light {
1728	my ($change) = @_;
1729
1730	$_->change_map_light ($change)
1731	for grep $_->outdoor, values %cf::MAP;
1732	}	2038	}
1733		2039
1734	sub decay_objects {	2040	sub decay_objects {
1735	my ($self) = @_;	2041	my ($self) = @_;
1736		2042
…		…
1749		2055
1750	sub load_header_from($) {	2056	sub load_header_from($) {
1751	my ($self, $path) = @_;	2057	my ($self, $path) = @_;
1752		2058
1753	utf8::encode $path;	2059	utf8::encode $path;
1754	#aio_open $path, O_RDONLY, 0	2060	my $f = new_from_file cf::object::thawer $path
1755	# or return;
1756
1757	$self->_load_header ($path)
1758	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;
1759		2068
1760	$self->{load_path} = $path;	2069	$self->{load_path} = $path;
1761		2070
1762	1	2071	1
1763	}	2072	}
…		…
1815		2124
1816	sub find;	2125	sub find;
1817	sub find {	2126	sub find {
1818	my ($path, $origin) = @_;	2127	my ($path, $origin) = @_;
1819		2128
		2129	cf::cede_to_tick;
		2130
1820	$path = normalise $path, $origin && $origin->path;	2131	$path = normalise $path, $origin && $origin->path;
1821		2132
		2133	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1822	cf::lock_wait "map_find:$path";	2134	my $guard2 = cf::lock_acquire "map_find:$path";
1823		2135
1824	$cf::MAP{$path} || do {	2136	$cf::MAP{$path} || do {
1825	my $guard = cf::lock_acquire "map_find:$path";
1826	my $map = new_from_path cf::map $path	2137	my $map = new_from_path cf::map $path
1827	or return;	2138	or return;
1828		2139
1829	$map->{last_save} = $cf::RUNTIME;	2140	$map->{last_save} = $cf::RUNTIME;
1830		2141
…		…
1832	or return;	2143	or return;
1833		2144
1834	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2145	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1835	# doing this can freeze the server in a sync job, obviously	2146	# doing this can freeze the server in a sync job, obviously
1836	#$cf::WAIT_FOR_TICK->wait;	2147	#$cf::WAIT_FOR_TICK->wait;
		2148	undef $guard2;
		2149	undef $guard1;
1837	$map->reset;	2150	$map->reset;
1838	undef $guard;
1839	return find $path;	2151	return find $path;
1840	}	2152	}
1841		2153
1842	$cf::MAP{$path} = $map	2154	$cf::MAP{$path} = $map
1843	}	2155	}
1844	}	2156	}
1845		2157
1846	sub pre_load { }	2158	sub pre_load { }
1847	sub post_load { }	2159	#sub post_load { } # XS
1848		2160
1849	sub load {	2161	sub load {
1850	my ($self) = @_;	2162	my ($self) = @_;
1851		2163
1852	local $self->{deny_reset} = 1; # loading can take a long time	2164	local $self->{deny_reset} = 1; # loading can take a long time
1853		2165
1854	my $path = $self->{path};	2166	my $path = $self->{path};
1855		2167
1856	{	2168	{
1857	my $guard1 = cf::lock_acquire "map_data:$path";	2169	my $guard = cf::lock_acquire "map_data:$path";
1858	my $guard2 = cf::lock_acquire "map_load:$path";
1859		2170
		2171	return unless $self->valid;
1860	return if $self->in_memory != cf::MAP_SWAPPED;	2172	return unless $self->in_memory == cf::MAP_SWAPPED;
1861		2173
1862	$self->in_memory (cf::MAP_LOADING);	2174	$self->in_memory (cf::MAP_LOADING);
1863		2175
1864	$self->alloc;	2176	$self->alloc;
1865		2177
1866	$self->pre_load;	2178	$self->pre_load;
1867	cf::cede_to_tick;	2179	cf::cede_to_tick;
1868		2180
1869	$self->_load_objects ($self->{load_path}, 1)	2181	if (exists $self->{load_path}) {
		2182	my $f = new_from_file cf::object::thawer $self->{load_path};
		2183	$f->skip_block;
		2184	$self->_load_objects ($f)
1870	or return;	2185	or return;
1871		2186
1872	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2187	$self->post_load_original
1873	if delete $self->{load_original};	2188	if delete $self->{load_original};
1874		2189
1875	if (my $uniq = $self->uniq_path) {	2190	if (my $uniq = $self->uniq_path) {
1876	utf8::encode $uniq;	2191	utf8::encode $uniq;
1877	if (aio_open $uniq, O_RDONLY, 0) {	2192	unless (aio_stat $uniq) {
		2193	if (my $f = new_from_file cf::object::thawer $uniq) {
1878	$self->clear_unique_items;	2194	$self->clear_unique_items;
1879	$self->_load_objects ($uniq, 0);	2195	$self->_load_objects ($f);
		2196	$f->resolve_delayed_derefs;
		2197	}
		2198	}
1880	}	2199	}
		2200
		2201	$f->resolve_delayed_derefs;
1881	}	2202	}
1882		2203
1883	cf::cede_to_tick;	2204	cf::cede_to_tick;
1884	# now do the right thing for maps	2205	# now do the right thing for maps
1885	$self->link_multipart_objects;	2206	$self->link_multipart_objects;
…		…
1890	unless ($self->{deny_activate}) {	2211	unless ($self->{deny_activate}) {
1891	$self->decay_objects;	2212	$self->decay_objects;
1892	$self->fix_auto_apply;	2213	$self->fix_auto_apply;
1893	$self->update_buttons;	2214	$self->update_buttons;
1894	cf::cede_to_tick;	2215	cf::cede_to_tick;
1895	$self->set_darkness_map;
1896	cf::cede_to_tick;
1897	$self->activate;	2216	$self->activate;
1898	}	2217	}
1899		2218
1900	$self->{last_save} = $cf::RUNTIME;	2219	$self->{last_save} = $cf::RUNTIME;
1901	$self->last_access ($cf::RUNTIME);	2220	$self->last_access ($cf::RUNTIME);
1902		2221
1903	$self->in_memory (cf::MAP_IN_MEMORY);	2222	$self->in_memory (cf::MAP_ACTIVE);
1904	}	2223	}
1905		2224
1906	$self->post_load;	2225	$self->post_load;
1907	}
1908		2226
		2227	1
		2228	}
		2229
		2230	# customize the map for a given player, i.e.
		2231	# return the _real_ map. used by e.g. per-player
		2232	# maps to change the path to ~playername/mappath
1909	sub customise_for {	2233	sub customise_for {
1910	my ($self, $ob) = @_;	2234	my ($self, $ob) = @_;
1911		2235
1912	return find "~" . $ob->name . "/" . $self->{path}	2236	return find "~" . $ob->name . "/" . $self->{path}
1913	if $self->per_player;	2237	if $self->per_player;
…		…
1929	or next;	2253	or next;
1930	$neigh = find $neigh, $map	2254	$neigh = find $neigh, $map
1931	or next;	2255	or next;
1932	$neigh->load;	2256	$neigh->load;
1933		2257
		2258	# now find the diagonal neighbours
1934	push @neigh,	2259	push @neigh,
1935	[$neigh->tile_path (($_ + 3) % 4), $neigh],	2260	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1936	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2261	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1937	}	2262	}
1938		2263
…		…
1945	}	2270	}
1946		2271
1947	sub find_sync {	2272	sub find_sync {
1948	my ($path, $origin) = @_;	2273	my ($path, $origin) = @_;
1949		2274
1950	cf::sync_job { find $path, $origin }	2275	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2276	if $Coro::current == $Coro::main;
		2277
		2278	find $path, $origin
1951	}	2279	}
1952		2280
1953	sub do_load_sync {	2281	sub do_load_sync {
1954	my ($map) = @_;	2282	my ($map) = @_;
1955		2283
1956	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2284	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
1957	if $Coro::current == $Coro::main;	2285	if $Coro::current == $Coro::main;
1958		2286
1959	cf::sync_job { $map->load };	2287	$map->load;
1960	}	2288	}
1961		2289
1962	our %MAP_PREFETCH;	2290	our %MAP_PREFETCH;
1963	our $MAP_PREFETCHER = undef;	2291	our $MAP_PREFETCHER = undef;
1964		2292
…		…
1966	my ($path, $origin, $load) = @_;	2294	my ($path, $origin, $load) = @_;
1967		2295
1968	$path = normalise $path, $origin && $origin->{path};	2296	$path = normalise $path, $origin && $origin->{path};
1969		2297
1970	if (my $map = $cf::MAP{$path}) {	2298	if (my $map = $cf::MAP{$path}) {
1971	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2299	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1972	}	2300	}
1973		2301
1974	$MAP_PREFETCH{$path} |= $load;	2302	$MAP_PREFETCH{$path} |= $load;
1975		2303
1976	$MAP_PREFETCHER ||= cf::async {	2304	$MAP_PREFETCHER ||= cf::async {
		2305	$Coro::current->{desc} = "map prefetcher";
		2306
1977	while (%MAP_PREFETCH) {	2307	while (%MAP_PREFETCH) {
1978	while (my ($k, $v) = each %MAP_PREFETCH) {	2308	while (my ($k, $v) = each %MAP_PREFETCH) {
1979	if (my $map = find $k) {	2309	if (my $map = find $k) {
1980	$map->load if $v;	2310	$map->load if $v;
1981	}	2311	}
…		…
1988	$MAP_PREFETCHER->prio (6);	2318	$MAP_PREFETCHER->prio (6);
1989		2319
1990	()	2320	()
1991	}	2321	}
1992		2322
		2323	# common code, used by both ->save and ->swapout
1993	sub save {	2324	sub _save {
1994	my ($self) = @_;	2325	my ($self) = @_;
1995
1996	my $lock = cf::lock_acquire "map_data:$self->{path}";
1997		2326
1998	$self->{last_save} = $cf::RUNTIME;	2327	$self->{last_save} = $cf::RUNTIME;
1999		2328
2000	return unless $self->dirty;	2329	return unless $self->dirty;
2001		2330
…		…
2007	return if $self->{deny_save};	2336	return if $self->{deny_save};
2008		2337
2009	local $self->{last_access} = $self->last_access;#d#	2338	local $self->{last_access} = $self->last_access;#d#
2010		2339
2011	cf::async {	2340	cf::async {
		2341	$Coro::current->{desc} = "map player save";
2012	$_->contr->save for $self->players;	2342	$_->contr->save for $self->players;
2013	};	2343	};
		2344
		2345	cf::get_slot 0.02;
2014		2346
2015	if ($uniq) {	2347	if ($uniq) {
2016	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2348	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2017	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2349	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2018	} else {	2350	} else {
2019	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2351	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2020	}	2352	}
2021	}	2353	}
2022		2354
		2355	sub save {
		2356	my ($self) = @_;
		2357
		2358	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2359
		2360	$self->_save;
		2361	}
		2362
2023	sub swap_out {	2363	sub swap_out {
2024	my ($self) = @_;	2364	my ($self) = @_;
2025		2365
2026	# save first because save cedes
2027	$self->save;
2028
2029	my $lock = cf::lock_acquire "map_data:$self->{path}";	2366	my $lock = cf::lock_acquire "map_data:$self->{path}";
2030		2367
		2368	return if $self->in_memory != cf::MAP_ACTIVE;
		2369	return if $self->{deny_save};
2031	return if $self->players;	2370	return if $self->players;
2032	return if $self->in_memory != cf::MAP_IN_MEMORY;
2033	return if $self->{deny_save};
2034		2371
		2372	# first deactivate the map and "unlink" it from the core
		2373	$self->deactivate;
		2374	$_->clear_links_to ($self) for values %cf::MAP;
		2375	$self->in_memory (cf::MAP_SWAPPED);
		2376
		2377	# then atomically save
		2378	$self->_save;
		2379
		2380	# then free the map
2035	$self->clear;	2381	$self->clear;
2036	$self->in_memory (cf::MAP_SWAPPED);
2037	}	2382	}
2038		2383
2039	sub reset_at {	2384	sub reset_at {
2040	my ($self) = @_;	2385	my ($self) = @_;
2041		2386
…		…
2059		2404
2060	my $lock = cf::lock_acquire "map_data:$self->{path}";	2405	my $lock = cf::lock_acquire "map_data:$self->{path}";
2061		2406
2062	return if $self->players;	2407	return if $self->players;
2063		2408
2064	warn "resetting map ", $self->path;	2409	cf::trace "resetting map ", $self->path, "\n";
2065		2410
2066	$self->in_memory (cf::MAP_SWAPPED);	2411	$self->in_memory (cf::MAP_SWAPPED);
2067		2412
2068	# need to save uniques path	2413	# need to save uniques path
2069	unless ($self->{deny_save}) {	2414	unless ($self->{deny_save}) {
…		…
2073	if $uniq;	2418	if $uniq;
2074	}	2419	}
2075		2420
2076	delete $cf::MAP{$self->path};	2421	delete $cf::MAP{$self->path};
2077		2422
		2423	$self->deactivate;
		2424	$_->clear_links_to ($self) for values %cf::MAP;
2078	$self->clear;	2425	$self->clear;
2079
2080	$_->clear_links_to ($self) for values %cf::MAP;
2081		2426
2082	$self->unlink_save;	2427	$self->unlink_save;
2083	$self->destroy;	2428	$self->destroy;
2084	}	2429	}
2085		2430
…		…
2093		2438
2094	delete $cf::MAP{$self->path};	2439	delete $cf::MAP{$self->path};
2095		2440
2096	$self->unlink_save;	2441	$self->unlink_save;
2097		2442
2098	bless $self, "cf::map";	2443	bless $self, "cf::map::wrap";
2099	delete $self->{deny_reset};	2444	delete $self->{deny_reset};
2100	$self->{deny_save} = 1;	2445	$self->{deny_save} = 1;
2101	$self->reset_timeout (1);	2446	$self->reset_timeout (1);
2102	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2447	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2103		2448
…		…
2152		2497
2153	sub unique_maps() {	2498	sub unique_maps() {
2154	[	2499	[
2155	map {	2500	map {
2156	utf8::decode $_;	2501	utf8::decode $_;
2157	/\.map$/	2502	s/\.map$//; # TODO future compatibility hack
		2503	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2504	? ()
2158	? normalise $_	2505	: normalise $_
2159	: ()
2160	} @{ aio_readdir $UNIQUEDIR or [] }	2506	} @{ aio_readdir $UNIQUEDIR or [] }
2161	]	2507	]
2162	}	2508	}
2163		2509
2164	package cf;	2510	=item cf::map::static_maps
		2511
		2512	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2513	file in the shared directory excluding F</styles> and F</editor>). May
		2514	block.
		2515
		2516	=cut
		2517
		2518	sub static_maps() {
		2519	my @dirs = "";
		2520	my @maps;
		2521
		2522	while (@dirs) {
		2523	my $dir = shift @dirs;
		2524
		2525	next if $dir eq "/styles" || $dir eq "/editor";
		2526
		2527	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2528	or return;
		2529
		2530	for (@$files) {
		2531	s/\.map$// or next;
		2532	utf8::decode $_;
		2533	push @maps, "$dir/$_";
		2534	}
		2535
		2536	push @dirs, map "$dir/$_", @$dirs;
		2537	}
		2538
		2539	\@maps
		2540	}
2165		2541
2166	=back	2542	=back
2167		2543
2168	=head3 cf::object	2544	=head3 cf::object
2169		2545
…		…
2173		2549
2174	=over 4	2550	=over 4
2175		2551
2176	=item $ob->inv_recursive	2552	=item $ob->inv_recursive
2177		2553
2178	Returns the inventory of the object _and_ their inventories, recursively.	2554	Returns the inventory of the object I<and> their inventories, recursively,
		2555	but I<not> the object itself.
2179		2556
2180	=cut	2557	=cut
2181		2558
2182	sub inv_recursive_;	2559	sub inv_recursive_;
2183	sub inv_recursive_ {	2560	sub inv_recursive_ {
…		…
2186		2563
2187	sub inv_recursive {	2564	sub inv_recursive {
2188	inv_recursive_ inv $_[0]	2565	inv_recursive_ inv $_[0]
2189	}	2566	}
2190		2567
		2568	=item $ref = $ob->ref
		2569
		2570	Creates and returns a persistent reference to an object that can be stored as a string.
		2571
		2572	=item $ob = cf::object::deref ($refstring)
		2573
		2574	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2575	even if the object actually exists. May block.
		2576
		2577	=cut
		2578
		2579	sub deref {
		2580	my ($ref) = @_;
		2581
		2582	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2583	my ($uuid, $name) = ($1, $2);
		2584	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2585	or return;
		2586	$pl->ob->uuid eq $uuid
		2587	or return;
		2588
		2589	$pl->ob
		2590	} else {
		2591	warn "$ref: cannot resolve object reference\n";
		2592	undef
		2593	}
		2594	}
		2595
2191	package cf;	2596	package cf;
2192		2597
2193	=back	2598	=back
2194		2599
2195	=head3 cf::object::player	2600	=head3 cf::object::player
…		…
2201	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2606	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2202	can be C<undef>. Does the right thing when the player is currently in a	2607	can be C<undef>. Does the right thing when the player is currently in a
2203	dialogue with the given NPC character.	2608	dialogue with the given NPC character.
2204		2609
2205	=cut	2610	=cut
		2611
		2612	our $SAY_CHANNEL = {
		2613	id => "say",
		2614	title => "Map",
		2615	reply => "say ",
		2616	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2617	};
		2618
		2619	our $CHAT_CHANNEL = {
		2620	id => "chat",
		2621	title => "Chat",
		2622	reply => "chat ",
		2623	tooltip => "Player chat and shouts, global to the server.",
		2624	};
2206		2625
2207	# rough implementation of a future "reply" method that works	2626	# rough implementation of a future "reply" method that works
2208	# with dialog boxes.	2627	# with dialog boxes.
2209	#TODO: the first argument must go, split into a $npc->reply_to ( method	2628	#TODO: the first argument must go, split into a $npc->reply_to ( method
2210	sub cf::object::player::reply($$$;$) {	2629	sub cf::object::player::reply($$$;$) {
…		…
2222	my $dialog = $pl->{npc_dialog};	2641	my $dialog = $pl->{npc_dialog};
2223	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2642	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2224		2643
2225	} else {	2644	} else {
2226	$msg = $npc->name . " says: $msg" if $npc;	2645	$msg = $npc->name . " says: $msg" if $npc;
2227	$self->message ($msg, $flags);	2646	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2228	}	2647	}
2229	}	2648	}
2230	}	2649	}
2231		2650
2232	=item $object->send_msg ($channel, $msg, $color, [extra...])	2651	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2257		2676
2258	=item $player_object->enter_link	2677	=item $player_object->enter_link
2259		2678
2260	Freezes the player and moves him/her to a special map (C<{link}>).	2679	Freezes the player and moves him/her to a special map (C<{link}>).
2261		2680
2262	The player should be reasonably safe there for short amounts of time. You	2681	The player should be reasonably safe there for short amounts of time (e.g.
2263	I<MUST> call C<leave_link> as soon as possible, though.	2682	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2683	though, as the player cannot control the character while it is on the link
		2684	map.
2264		2685
2265	Will never block.	2686	Will never block.
2266		2687
2267	=item $player_object->leave_link ($map, $x, $y)	2688	=item $player_object->leave_link ($map, $x, $y)
2268		2689
…		…
2288	sub cf::object::player::enter_link {	2709	sub cf::object::player::enter_link {
2289	my ($self) = @_;	2710	my ($self) = @_;
2290		2711
2291	$self->deactivate_recursive;	2712	$self->deactivate_recursive;
2292		2713
		2714	++$self->{_link_recursion};
		2715
2293	return if UNIVERSAL::isa $self->map, "ext::map_link";	2716	return if UNIVERSAL::isa $self->map, "ext::map_link";
2294		2717
2295	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2718	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2296	if $self->map && $self->map->{path} ne "{link}";	2719	if $self->map && $self->map->{path} ne "{link}";
2297		2720
2298	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2721	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2299	}	2722	}
2300		2723
2301	sub cf::object::player::leave_link {	2724	sub cf::object::player::leave_link {
2302	my ($self, $map, $x, $y) = @_;	2725	my ($self, $map, $x, $y) = @_;
2303		2726
…		…
2320	($x, $y) = (-1, -1)	2743	($x, $y) = (-1, -1)
2321	unless (defined $x) && (defined $y);	2744	unless (defined $x) && (defined $y);
2322		2745
2323	# use -1 or undef as default coordinates, not 0, 0	2746	# use -1 or undef as default coordinates, not 0, 0
2324	($x, $y) = ($map->enter_x, $map->enter_y)	2747	($x, $y) = ($map->enter_x, $map->enter_y)
2325	if $x <=0 && $y <= 0;	2748	if $x <= 0 && $y <= 0;
2326		2749
2327	$map->load;	2750	$map->load;
2328	$map->load_neighbours;	2751	$map->load_neighbours;
2329		2752
2330	return unless $self->contr->active;	2753	return unless $self->contr->active;
2331	$self->activate_recursive;
2332		2754
2333	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2755	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2334	$self->enter_map ($map, $x, $y);	2756	if ($self->enter_map ($map, $x, $y)) {
2335	}	2757	# entering was successful
		2758	delete $self->{_link_recursion};
		2759	# only activate afterwards, to support waiting in hooks
		2760	$self->activate_recursive;
		2761	}
2336		2762
		2763	}
		2764
2337	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2765	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2338		2766
2339	Moves the player to the given map-path and coordinates by first freezing	2767	Moves the player to the given map-path and coordinates by first freezing
2340	her, loading and preparing them map, calling the provided $check callback	2768	her, loading and preparing them map, calling the provided $check callback
2341	that has to return the map if sucecssful, and then unfreezes the player on	2769	that has to return the map if sucecssful, and then unfreezes the player on
2342	the new (success) or old (failed) map position. In either case, $done will	2770	the new (success) or old (failed) map position. In either case, $done will
2343	be called at the end of this process.	2771	be called at the end of this process.
2344		2772
		2773	Note that $check will be called with a potentially non-loaded map, so if
		2774	it needs a loaded map it has to call C<< ->load >>.
		2775
2345	=cut	2776	=cut
2346		2777
2347	our $GOTOGEN;	2778	our $GOTOGEN;
2348		2779
2349	sub cf::object::player::goto {	2780	sub cf::object::player::goto {
2350	my ($self, $path, $x, $y, $check, $done) = @_;	2781	my ($self, $path, $x, $y, $check, $done) = @_;
2351		2782
		2783	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2784	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2785	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2786	($path, $x, $y) = @$EMERGENCY_POSITION;
		2787	}
		2788
2352	# do generation counting so two concurrent goto's will be executed in-order	2789	# do generation counting so two concurrent goto's will be executed in-order
2353	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2790	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2354		2791
2355	$self->enter_link;	2792	$self->enter_link;
2356		2793
2357	(async {	2794	(async {
		2795	$Coro::current->{desc} = "player::goto $path $x $y";
		2796
		2797	# *tag paths override both path and x|y
		2798	if ($path =~ /^\*(.*)$/) {
		2799	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2800	my $ob = $obs[rand @obs];
		2801
		2802	# see if we actually can go there
		2803	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2804	$ob = $obs[rand @obs];
		2805	} else {
		2806	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2807	}
		2808	# else put us there anyways for now #d#
		2809
		2810	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2811	} else {
		2812	($path, $x, $y) = (undef, undef, undef);
		2813	}
		2814	}
		2815
2358	my $map = eval {	2816	my $map = eval {
2359	my $map = cf::map::find $path;	2817	my $map = defined $path ? cf::map::find $path : undef;
2360		2818
2361	if ($map) {	2819	if ($map) {
2362	$map = $map->customise_for ($self);	2820	$map = $map->customise_for ($self);
2363	$map = $check->($map) if $check && $map;	2821	$map = $check->($map, $x, $y, $self) if $check && $map;
2364	} else {	2822	} else {
2365	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2823	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2366	}	2824	}
2367		2825
2368	$map	2826	$map
2369	};	2827	};
2370		2828
…		…
2376	if ($gen == $self->{_goto_generation}) {	2834	if ($gen == $self->{_goto_generation}) {
2377	delete $self->{_goto_generation};	2835	delete $self->{_goto_generation};
2378	$self->leave_link ($map, $x, $y);	2836	$self->leave_link ($map, $x, $y);
2379	}	2837	}
2380		2838
2381	$done->() if $done;	2839	$done->($self) if $done;
2382	})->prio (1);	2840	})->prio (1);
2383	}	2841	}
2384		2842
2385	=item $player_object->enter_exit ($exit_object)	2843	=item $player_object->enter_exit ($exit_object)
2386		2844
…		…
2406	}	2864	}
2407		2865
2408	sub prepare_random_map {	2866	sub prepare_random_map {
2409	my ($exit) = @_;	2867	my ($exit) = @_;
2410		2868
2411	my $guard = cf::lock_acquire "exit_prepare:$exit";
2412
2413	# all this does is basically replace the /! path by	2869	# all this does is basically replace the /! path by
2414	# a new random map path (?random/...) with a seed	2870	# a new random map path (?random/...) with a seed
2415	# that depends on the exit object	2871	# that depends on the exit object
2416		2872
2417	my $rmp = parse_random_map_params $exit->msg;	2873	my $rmp = parse_random_map_params $exit->msg;
…		…
2419	if ($exit->map) {	2875	if ($exit->map) {
2420	$rmp->{region} = $exit->region->name;	2876	$rmp->{region} = $exit->region->name;
2421	$rmp->{origin_map} = $exit->map->path;	2877	$rmp->{origin_map} = $exit->map->path;
2422	$rmp->{origin_x} = $exit->x;	2878	$rmp->{origin_x} = $exit->x;
2423	$rmp->{origin_y} = $exit->y;	2879	$rmp->{origin_y} = $exit->y;
		2880
		2881	$exit->map->touch;
2424	}	2882	}
2425		2883
2426	$rmp->{random_seed} ||= $exit->random_seed;	2884	$rmp->{random_seed} ||= $exit->random_seed;
2427		2885
2428	my $data = cf::to_json $rmp;	2886	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2429	my $md5 = Digest::MD5::md5_hex $data;	2887	my $md5 = Digest::MD5::md5_hex $data;
2430	my $meta = "$RANDOMDIR/$md5.meta";	2888	my $meta = "$RANDOMDIR/$md5.meta";
2431		2889
2432	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2890	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2433	aio_write $fh, 0, (length $data), $data, 0;	2891	aio_write $fh, 0, (length $data), $data, 0;
2434	undef $fh;	2892	undef $fh;
2435	aio_rename "$meta~", $meta;	2893	aio_rename "$meta~", $meta;
2436		2894
		2895	my $slaying = "?random/$md5";
		2896
		2897	if ($exit->valid) {
2437	$exit->slaying ("?random/$md5");	2898	$exit->slaying ("?random/$md5");
2438	$exit->msg (undef);	2899	$exit->msg (undef);
		2900	}
2439	}	2901	}
2440	}	2902	}
2441		2903
2442	sub cf::object::player::enter_exit {	2904	sub cf::object::player::enter_exit {
2443	my ($self, $exit) = @_;	2905	my ($self, $exit) = @_;
2444		2906
2445	return unless $self->type == cf::PLAYER;	2907	return unless $self->type == cf::PLAYER;
2446		2908
2447	if ($exit->slaying eq "/!") {
2448	#TODO: this should de-fi-ni-te-ly not be a sync-job
2449	# the problem is that $exit might not survive long enough
2450	# so it needs to be done right now, right here
2451	cf::sync_job { prepare_random_map $exit };
2452	}
2453
2454	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2455	my $hp = $exit->stats->hp;
2456	my $sp = $exit->stats->sp;
2457
2458	$self->enter_link;	2909	$self->enter_link;
2459		2910
2460	# if exit is damned, update players death & WoR home-position
2461	$self->contr->savebed ($slaying, $hp, $sp)
2462	if $exit->flag (FLAG_DAMNED);
2463
2464	(async {	2911	(async {
2465	$self->deactivate_recursive; # just to be sure	2912	$Coro::current->{desc} = "enter_exit";
		2913
2466	unless (eval {	2914	unless (eval {
		2915	$self->deactivate_recursive; # just to be sure
		2916
		2917	# random map handling
		2918	{
		2919	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2920
		2921	prepare_random_map $exit
		2922	if $exit->slaying eq "/!";
		2923	}
		2924
		2925	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2926	my $x = $exit->stats->hp;
		2927	my $y = $exit->stats->sp;
		2928
2467	$self->goto ($slaying, $hp, $sp);	2929	$self->goto ($map, $x, $y);
2468		2930
		2931	# if exit is damned, update players death & WoR home-position
		2932	$self->contr->savebed ($map, $x, $y)
		2933	if $exit->flag (cf::FLAG_DAMNED);
		2934
2469	1;	2935	1
2470	}) {	2936	}) {
2471	$self->message ("Something went wrong deep within the crossfire server. "	2937	$self->message ("Something went wrong deep within the deliantra server. "
2472	. "I'll try to bring you back to the map you were before. "	2938	. "I'll try to bring you back to the map you were before. "
2473	. "Please report this to the dungeon master!",	2939	. "Please report this to the dungeon master!",
2474	cf::NDI_UNIQUE | cf::NDI_RED);	2940	cf::NDI_UNIQUE | cf::NDI_RED);
2475		2941
2476	warn "ERROR in enter_exit: $@";	2942	error "ERROR in enter_exit: $@";
2477	$self->leave_link;	2943	$self->leave_link;
2478	}	2944	}
2479	})->prio (1);	2945	})->prio (1);
2480	}	2946	}
2481		2947
…		…
2493	sub cf::client::send_drawinfo {	2959	sub cf::client::send_drawinfo {
2494	my ($self, $text, $flags) = @_;	2960	my ($self, $text, $flags) = @_;
2495		2961
2496	utf8::encode $text;	2962	utf8::encode $text;
2497	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2963	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2964	}
		2965
		2966	=item $client->send_big_packet ($pkt)
		2967
		2968	Like C<send_packet>, but tries to compress large packets, and fragments
		2969	them as required.
		2970
		2971	=cut
		2972
		2973	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2974
		2975	sub cf::client::send_big_packet {
		2976	my ($self, $pkt) = @_;
		2977
		2978	# try lzf for large packets
		2979	$pkt = "lzf " . Compress::LZF::compress $pkt
		2980	if 1024 <= length $pkt and $self->{can_lzf};
		2981
		2982	# split very large packets
		2983	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2984	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2985	$pkt = "frag";
		2986	}
		2987
		2988	$self->send_packet ($pkt);
2498	}	2989	}
2499		2990
2500	=item $client->send_msg ($channel, $msg, $color, [extra...])	2991	=item $client->send_msg ($channel, $msg, $color, [extra...])
2501		2992
2502	Send a drawinfo or msg packet to the client, formatting the msg for the	2993	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2504	the message, with C<log> being the default. If C<$color> is negative, suppress	2995	the message, with C<log> being the default. If C<$color> is negative, suppress
2505	the message unless the client supports the msg packet.	2996	the message unless the client supports the msg packet.
2506		2997
2507	=cut	2998	=cut
2508		2999
		3000	# non-persistent channels (usually the info channel)
2509	our %CHANNEL = (	3001	our %CHANNEL = (
		3002	"c/motd" => {
		3003	id => "infobox",
		3004	title => "MOTD",
		3005	reply => undef,
		3006	tooltip => "The message of the day",
		3007	},
2510	"c/identify" => {	3008	"c/identify" => {
2511	id => "identify",	3009	id => "infobox",
2512	title => "Identify",	3010	title => "Identify",
2513	reply => undef,	3011	reply => undef,
2514	tooltip => "Items recently identified",	3012	tooltip => "Items recently identified",
2515	},	3013	},
		3014	"c/examine" => {
		3015	id => "infobox",
		3016	title => "Examine",
		3017	reply => undef,
		3018	tooltip => "Signs and other items you examined",
		3019	},
		3020	"c/shopinfo" => {
		3021	id => "infobox",
		3022	title => "Shop Info",
		3023	reply => undef,
		3024	tooltip => "What your bargaining skill tells you about the shop",
		3025	},
		3026	"c/book" => {
		3027	id => "infobox",
		3028	title => "Book",
		3029	reply => undef,
		3030	tooltip => "The contents of a note or book",
		3031	},
		3032	"c/lookat" => {
		3033	id => "infobox",
		3034	title => "Look",
		3035	reply => undef,
		3036	tooltip => "What you saw there",
		3037	},
		3038	"c/who" => {
		3039	id => "infobox",
		3040	title => "Players",
		3041	reply => undef,
		3042	tooltip => "Shows players who are currently online",
		3043	},
		3044	"c/body" => {
		3045	id => "infobox",
		3046	title => "Body Parts",
		3047	reply => undef,
		3048	tooltip => "Shows which body parts you posess and are available",
		3049	},
		3050	"c/statistics" => {
		3051	id => "infobox",
		3052	title => "Statistics",
		3053	reply => undef,
		3054	tooltip => "Shows your primary statistics",
		3055	},
		3056	"c/skills" => {
		3057	id => "infobox",
		3058	title => "Skills",
		3059	reply => undef,
		3060	tooltip => "Shows your experience per skill and item power",
		3061	},
		3062	"c/shopitems" => {
		3063	id => "infobox",
		3064	title => "Shop Items",
		3065	reply => undef,
		3066	tooltip => "Shows the items currently for sale in this shop",
		3067	},
		3068	"c/resistances" => {
		3069	id => "infobox",
		3070	title => "Resistances",
		3071	reply => undef,
		3072	tooltip => "Shows your resistances",
		3073	},
		3074	"c/pets" => {
		3075	id => "infobox",
		3076	title => "Pets",
		3077	reply => undef,
		3078	tooltip => "Shows information abotu your pets/a specific pet",
		3079	},
		3080	"c/perceiveself" => {
		3081	id => "infobox",
		3082	title => "Perceive Self",
		3083	reply => undef,
		3084	tooltip => "You gained detailed knowledge about yourself",
		3085	},
		3086	"c/uptime" => {
		3087	id => "infobox",
		3088	title => "Uptime",
		3089	reply => undef,
		3090	tooltip => "How long the server has been running since last restart",
		3091	},
		3092	"c/mapinfo" => {
		3093	id => "infobox",
		3094	title => "Map Info",
		3095	reply => undef,
		3096	tooltip => "Information related to the maps",
		3097	},
		3098	"c/party" => {
		3099	id => "party",
		3100	title => "Party",
		3101	reply => "gsay ",
		3102	tooltip => "Messages and chat related to your party",
		3103	},
		3104	"c/death" => {
		3105	id => "death",
		3106	title => "Death",
		3107	reply => undef,
		3108	tooltip => "Reason for and more info about your most recent death",
		3109	},
		3110	"c/say" => $SAY_CHANNEL,
		3111	"c/chat" => $CHAT_CHANNEL,
2516	);	3112	);
2517		3113
2518	sub cf::client::send_msg {	3114	sub cf::client::send_msg {
2519	my ($self, $channel, $msg, $color, @extra) = @_;	3115	my ($self, $channel, $msg, $color, @extra) = @_;
2520		3116
2521	$msg = $self->pl->expand_cfpod ($msg);	3117	$msg = $self->pl->expand_cfpod ($msg)
		3118	unless $color & cf::NDI_VERBATIM;
2522		3119
2523	$color &= cf::NDI_CLIENT_MASK; # just in case...	3120	$color &= cf::NDI_CLIENT_MASK; # just in case...
2524		3121
2525	# check predefined channels, for the benefit of C	3122	# check predefined channels, for the benefit of C
2526	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};	3123	if ($CHANNEL{$channel}) {
		3124	$channel = $CHANNEL{$channel};
2527		3125
		3126	$self->ext_msg (channel_info => $channel);
		3127	$channel = $channel->{id};
		3128
2528	if (ref $channel) {	3129	} elsif (ref $channel) {
2529	# send meta info to client, if not yet sent	3130	# send meta info to client, if not yet sent
2530	unless (exists $self->{channel}{$channel->{id}}) {	3131	unless (exists $self->{channel}{$channel->{id}}) {
2531	$self->{channel}{$channel->{id}} = $channel;	3132	$self->{channel}{$channel->{id}} = $channel;
2532	$self->ext_msg (channel_info => $channel);	3133	$self->ext_msg (channel_info => $channel);
2533	}	3134	}
…		…
2535	$channel = $channel->{id};	3136	$channel = $channel->{id};
2536	}	3137	}
2537		3138
2538	return unless @extra || length $msg;	3139	return unless @extra || length $msg;
2539		3140
2540	if ($self->can_msg) {
2541	# default colour, mask it out	3141	# default colour, mask it out
2542	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3142	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2543	if $color & cf::NDI_DEF;	3143	if $color & cf::NDI_DEF;
2544		3144
2545	$self->send_packet ("msg " . $self->{json_coder}->encode (	3145	my $pkt = "msg "
		3146	. $self->{json_coder}->encode (
2546	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3147	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2547	} else {	3148	);
2548	if ($color >= 0) {
2549	# replace some tags by gcfclient-compatible ones
2550	for ($msg) {
2551	1 while
2552	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2553	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2554	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2555	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2556	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2557	}
2558		3149
2559	$color &= cf::NDI_COLOR_MASK;	3150	$self->send_big_packet ($pkt);
2560
2561	utf8::encode $msg;
2562
2563	if (0 && $msg =~ /\[/) {
2564	# COMMAND/INFO
2565	$self->send_packet ("drawextinfo $color 10 8 $msg")
2566	} else {
2567	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2568	$self->send_packet ("drawinfo $color $msg")
2569	}
2570	}
2571	}
2572	}	3151	}
2573		3152
2574	=item $client->ext_msg ($type, @msg)	3153	=item $client->ext_msg ($type, @msg)
2575		3154
2576	Sends an ext event to the client.	3155	Sends an ext event to the client.
…		…
2579		3158
2580	sub cf::client::ext_msg($$@) {	3159	sub cf::client::ext_msg($$@) {
2581	my ($self, $type, @msg) = @_;	3160	my ($self, $type, @msg) = @_;
2582		3161
2583	if ($self->extcmd == 2) {	3162	if ($self->extcmd == 2) {
2584	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3163	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2585	} elsif ($self->extcmd == 1) { # TODO: remove	3164	} elsif ($self->extcmd == 1) { # TODO: remove
2586	push @msg, msgtype => "event_$type";	3165	push @msg, msgtype => "event_$type";
2587	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3166	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2588	}	3167	}
2589	}	3168	}
2590		3169
2591	=item $client->ext_reply ($msgid, @msg)	3170	=item $client->ext_reply ($msgid, @msg)
2592		3171
…		…
2596		3175
2597	sub cf::client::ext_reply($$@) {	3176	sub cf::client::ext_reply($$@) {
2598	my ($self, $id, @msg) = @_;	3177	my ($self, $id, @msg) = @_;
2599		3178
2600	if ($self->extcmd == 2) {	3179	if ($self->extcmd == 2) {
2601	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3180	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2602	} elsif ($self->extcmd == 1) {	3181	} elsif ($self->extcmd == 1) {
2603	#TODO: version 1, remove	3182	#TODO: version 1, remove
2604	unshift @msg, msgtype => "reply", msgid => $id;	3183	unshift @msg, msgtype => "reply", msgid => $id;
2605	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3184	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2606	}	3185	}
2607	}	3186	}
2608		3187
2609	=item $success = $client->query ($flags, "text", \&cb)	3188	=item $success = $client->query ($flags, "text", \&cb)
2610		3189
…		…
2681		3260
2682	$ns->ext_reply ($reply, @reply)	3261	$ns->ext_reply ($reply, @reply)
2683	if $reply;	3262	if $reply;
2684		3263
2685	} else {	3264	} else {
2686	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3265	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2687	}	3266	}
2688		3267
2689	cf::override;	3268	cf::override;
2690	},	3269	},
2691	);	3270	);
…		…
2711		3290
2712	$coro	3291	$coro
2713	}	3292	}
2714		3293
2715	cf::client->attach (	3294	cf::client->attach (
2716	on_destroy => sub {	3295	on_client_destroy => sub {
2717	my ($ns) = @_;	3296	my ($ns) = @_;
2718		3297
2719	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3298	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2720	},	3299	},
2721	);	3300	);
…		…
2737	our $safe_hole = new Safe::Hole;	3316	our $safe_hole = new Safe::Hole;
2738		3317
2739	$SIG{FPE} = 'IGNORE';	3318	$SIG{FPE} = 'IGNORE';
2740		3319
2741	$safe->permit_only (Opcode::opset qw(	3320	$safe->permit_only (Opcode::opset qw(
2742	:base_core :base_mem :base_orig :base_math	3321	:base_core :base_mem :base_orig :base_math :base_loop
2743	grepstart grepwhile mapstart mapwhile	3322	grepstart grepwhile mapstart mapwhile
2744	sort time	3323	sort time
2745	));	3324	));
2746		3325
2747	# here we export the classes and methods available to script code	3326	# here we export the classes and methods available to script code
…		…
2749	=pod	3328	=pod
2750		3329
2751	The following functions and methods are available within a safe environment:	3330	The following functions and methods are available within a safe environment:
2752		3331
2753	cf::object	3332	cf::object
2754	contr pay_amount pay_player map x y force_find force_add	3333	contr pay_amount pay_player map x y force_find force_add destroy
2755	insert remove name archname title slaying race decrease_ob_nr	3334	insert remove name archname title slaying race decrease split
		3335	value
2756		3336
2757	cf::object::player	3337	cf::object::player
2758	player	3338	player
2759		3339
2760	cf::player	3340	cf::player
…		…
2765		3345
2766	=cut	3346	=cut
2767		3347
2768	for (	3348	for (
2769	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3349	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2770	insert remove inv name archname title slaying race	3350	insert remove inv nrof name archname title slaying race
2771	decrease_ob_nr)],	3351	decrease split destroy change_exp value msg lore send_msg)],
2772	["cf::object::player" => qw(player)],	3352	["cf::object::player" => qw(player)],
2773	["cf::player" => qw(peaceful)],	3353	["cf::player" => qw(peaceful send_msg)],
2774	["cf::map" => qw(trigger)],	3354	["cf::map" => qw(trigger)],
2775	) {	3355	) {
2776	no strict 'refs';
2777	my ($pkg, @funs) = @$_;	3356	my ($pkg, @funs) = @$_;
2778	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3357	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2779	for @funs;	3358	for @funs;
2780	}	3359	}
2781		3360
…		…
2796		3375
2797	my $qcode = $code;	3376	my $qcode = $code;
2798	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3377	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2799	$qcode =~ s/\n/\\n/g;	3378	$qcode =~ s/\n/\\n/g;
2800		3379
		3380	%vars = (_dummy => 0) unless %vars;
		3381
		3382	my @res;
2801	local $_;	3383	local $_;
2802	local @safe::cf::_safe_eval_args = values %vars;
2803		3384
2804	my $eval =	3385	my $eval =
2805	"do {\n"	3386	"do {\n"
2806	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3387	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2807	. "#line 0 \"{$qcode}\"\n"	3388	. "#line 0 \"{$qcode}\"\n"
2808	. $code	3389	. $code
2809	. "\n}"	3390	. "\n}"
2810	;	3391	;
2811		3392
		3393	if ($CFG{safe_eval}) {
2812	sub_generation_inc;	3394	sub_generation_inc;
		3395	local @safe::cf::_safe_eval_args = values %vars;
2813	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3396	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2814	sub_generation_inc;	3397	sub_generation_inc;
		3398	} else {
		3399	local @cf::_safe_eval_args = values %vars;
		3400	@res = wantarray ? eval eval : scalar eval $eval;
		3401	}
2815		3402
2816	if ($@) {	3403	if ($@) {
2817	warn "$@";	3404	warn "$@",
2818	warn "while executing safe code '$code'\n";	3405	"while executing safe code '$code'\n",
2819	warn "with arguments " . (join " ", %vars) . "\n";	3406	"with arguments " . (join " ", %vars) . "\n";
2820	}	3407	}
2821		3408
2822	wantarray ? @res : $res[0]	3409	wantarray ? @res : $res[0]
2823	}	3410	}
2824		3411
…		…
2838	=cut	3425	=cut
2839		3426
2840	sub register_script_function {	3427	sub register_script_function {
2841	my ($fun, $cb) = @_;	3428	my ($fun, $cb) = @_;
2842		3429
2843	no strict 'refs';	3430	$fun = "safe::$fun" if $CFG{safe_eval};
2844	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3431	*$fun = $safe_hole->wrap ($cb);
2845	}	3432	}
2846		3433
2847	=back	3434	=back
2848		3435
2849	=cut	3436	=cut
…		…
2858	# for this (global event?)	3445	# for this (global event?)
2859	%ext::player_env::MUSIC_FACE_CACHE = ();	3446	%ext::player_env::MUSIC_FACE_CACHE = ();
2860		3447
2861	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3448	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2862		3449
2863	warn "loading facedata from $path\n";	3450	trace "loading facedata from $path\n";
2864		3451
2865	my $facedata;	3452	my $facedata = decode_storable load_file $path;
2866	0 < aio_load $path, $facedata
2867	or die "$path: $!";
2868
2869	$facedata = Coro::Storable::thaw $facedata;
2870		3453
2871	$facedata->{version} == 2	3454	$facedata->{version} == 2
2872	or cf::cleanup "$path: version mismatch, cannot proceed.";	3455	or cf::cleanup "$path: version mismatch, cannot proceed.";
2873		3456
2874	# patch in the exptable	3457	# patch in the exptable
		3458	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2875	$facedata->{resource}{"res/exp_table"} = {	3459	$facedata->{resource}{"res/exp_table"} = {
2876	type => FT_RSRC,	3460	type => FT_RSRC,
2877	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3461	data => $exp_table,
		3462	hash => (Digest::MD5::md5 $exp_table),
2878	};	3463	};
2879	cf::cede_to_tick;	3464	cf::cede_to_tick;
2880		3465
2881	{	3466	{
2882	my $faces = $facedata->{faceinfo};	3467	my $faces = $facedata->{faceinfo};
2883		3468
2884	while (my ($face, $info) = each %$faces) {	3469	while (my ($face, $info) = each %$faces) {
2885	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3470	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3471
2886	cf::face::set_visibility $idx, $info->{visibility};	3472	cf::face::set_visibility $idx, $info->{visibility};
2887	cf::face::set_magicmap $idx, $info->{magicmap};	3473	cf::face::set_magicmap $idx, $info->{magicmap};
2888	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3474	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2889	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3475	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3476	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2890		3477
2891	cf::cede_to_tick;	3478	cf::cede_to_tick;
2892	}	3479	}
2893		3480
2894	while (my ($face, $info) = each %$faces) {	3481	while (my ($face, $info) = each %$faces) {
2895	next unless $info->{smooth};	3482	next unless $info->{smooth};
		3483
2896	my $idx = cf::face::find $face	3484	my $idx = cf::face::find $face
2897	or next;	3485	or next;
		3486
2898	if (my $smooth = cf::face::find $info->{smooth}) {	3487	if (my $smooth = cf::face::find $info->{smooth}) {
2899	cf::face::set_smooth $idx, $smooth;	3488	cf::face::set_smooth $idx, $smooth;
2900	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3489	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2901	} else {	3490	} else {
2902	warn "smooth face '$info->{smooth}' not found for face '$face'";	3491	error "smooth face '$info->{smooth}' not found for face '$face'";
2903	}	3492	}
2904		3493
2905	cf::cede_to_tick;	3494	cf::cede_to_tick;
2906	}	3495	}
2907	}	3496	}
…		…
2916		3505
2917	cf::anim::invalidate_all; # d'oh	3506	cf::anim::invalidate_all; # d'oh
2918	}	3507	}
2919		3508
2920	{	3509	{
2921	# TODO: for gcfclient pleasure, we should give resources
2922	# that gcfclient doesn't grok a >10000 face index.
2923	my $res = $facedata->{resource};	3510	my $res = $facedata->{resource};
2924		3511
2925	my $soundconf = delete $res->{"res/sound.conf"};
2926
2927	while (my ($name, $info) = each %$res) {	3512	while (my ($name, $info) = each %$res) {
		3513	if (defined $info->{type}) {
2928	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3514	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2929	my $data;
2930		3515
2931	if ($info->{type} & 1) {	3516	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
2932	# prepend meta info	3517	cf::face::set_type $idx, $info->{type};
2933
2934	my $meta = $enc->encode ({
2935	name => $name,
2936	%{ $info->{meta} || {} },
2937	});
2938
2939	$data = pack "(w/a*)*", $meta, $info->{data};
2940	} else {	3518	} else {
2941	$data = $info->{data};	3519	$RESOURCE{$name} = $info; # unused
2942	}	3520	}
2943		3521
2944	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2945	cf::face::set_type $idx, $info->{type};
2946
2947	cf::cede_to_tick;	3522	cf::cede_to_tick;
2948	}	3523	}
2949
2950	if ($soundconf) {
2951	$soundconf = $enc->decode (delete $soundconf->{data});
2952
2953	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2954	my $sound = $soundconf->{compat}[$_]
2955	or next;
2956
2957	my $face = cf::face::find "sound/$sound->[1]";
2958	cf::sound::set $sound->[0] => $face;
2959	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2960	}
2961
2962	while (my ($k, $v) = each %{$soundconf->{event}}) {
2963	my $face = cf::face::find "sound/$v";
2964	cf::sound::set $k => $face;
2965	}
2966	}
2967	}	3524	}
		3525
		3526	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2968		3527
2969	1	3528	1
2970	}	3529	}
2971		3530
2972	register_exticmd fx_want => sub {	3531	register_exticmd fx_want => sub {
…		…
2974		3533
2975	while (my ($k, $v) = each %$want) {	3534	while (my ($k, $v) = each %$want) {
2976	$ns->fx_want ($k, $v);	3535	$ns->fx_want ($k, $v);
2977	}	3536	}
2978	};	3537	};
		3538
		3539	sub load_resource_file($) {
		3540	my $guard = lock_acquire "load_resource_file";
		3541
		3542	my $status = load_resource_file_ $_[0];
		3543	get_slot 0.1, 100;
		3544	cf::arch::commit_load;
		3545
		3546	$status
		3547	}
2979		3548
2980	sub reload_regions {	3549	sub reload_regions {
2981	# HACK to clear player env face cache, we need some signal framework	3550	# HACK to clear player env face cache, we need some signal framework
2982	# for this (global event?)	3551	# for this (global event?)
2983	%ext::player_env::MUSIC_FACE_CACHE = ();	3552	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
2997	}	3566	}
2998		3567
2999	sub reload_archetypes {	3568	sub reload_archetypes {
3000	load_resource_file "$DATADIR/archetypes"	3569	load_resource_file "$DATADIR/archetypes"
3001	or die "unable to load archetypes\n";	3570	or die "unable to load archetypes\n";
3002	#d# NEED to laod twice to resolve forward references
3003	# this really needs to be done in an extra post-pass
3004	# (which needs to be synchronous, so solve it differently)
3005	load_resource_file "$DATADIR/archetypes"
3006	or die "unable to load archetypes\n";
3007	}	3571	}
3008		3572
3009	sub reload_treasures {	3573	sub reload_treasures {
3010	load_resource_file "$DATADIR/treasures"	3574	load_resource_file "$DATADIR/treasures"
3011	or die "unable to load treasurelists\n";	3575	or die "unable to load treasurelists\n";
3012	}	3576	}
3013		3577
		3578	sub reload_sound {
		3579	trace "loading sound config from $DATADIR/sound\n";
		3580
		3581	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3582
		3583	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3584	my $sound = $soundconf->{compat}[$_]
		3585	or next;
		3586
		3587	my $face = cf::face::find "sound/$sound->[1]";
		3588	cf::sound::set $sound->[0] => $face;
		3589	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3590	}
		3591
		3592	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3593	my $face = cf::face::find "sound/$v";
		3594	cf::sound::set $k => $face;
		3595	}
		3596	}
		3597
3014	sub reload_resources {	3598	sub reload_resources {
3015	warn "reloading resource files...\n";	3599	trace "reloading resource files...\n";
3016		3600
		3601	reload_exp_table;
		3602	reload_materials;
		3603	reload_facedata;
		3604	reload_sound;
		3605	reload_archetypes;
3017	reload_regions;	3606	reload_regions;
3018	reload_facedata;
3019	#reload_archetypes;#d#
3020	reload_archetypes;
3021	reload_treasures;	3607	reload_treasures;
3022		3608
3023	warn "finished reloading resource files\n";	3609	trace "finished reloading resource files\n";
3024	}
3025
3026	sub init {
3027	reload_resources;
3028	}	3610	}
3029		3611
3030	sub reload_config {	3612	sub reload_config {
3031	open my $fh, "<:utf8", "$CONFDIR/config"	3613	trace "reloading config file...\n";
3032	or return;
3033		3614
3034	local $/;	3615	my $config = load_file "$CONFDIR/config";
3035	*CFG = YAML::Syck::Load <$fh>;	3616	utf8::decode $config;
		3617	*CFG = decode_yaml $config;
3036		3618
3037	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3619	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3038		3620
3039	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3621	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3040	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3622	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3041		3623
3042	if (exists $CFG{mlockall}) {	3624	if (exists $CFG{mlockall}) {
…		…
3046	};	3628	};
3047	warn $@ if $@;	3629	warn $@ if $@;
3048	}	3630	}
3049	}	3631	}
3050		3632
		3633	sub pidfile() {
		3634	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3635	or die "$PIDFILE: $!";
		3636	flock $fh, &Fcntl::LOCK_EX
		3637	or die "$PIDFILE: flock: $!";
		3638	$fh
		3639	}
		3640
		3641	# make sure only one server instance is running at any one time
		3642	sub atomic {
		3643	my $fh = pidfile;
		3644
		3645	my $pid = <$fh>;
		3646	kill 9, $pid if $pid > 0;
		3647
		3648	seek $fh, 0, 0;
		3649	print $fh $$;
		3650	}
		3651
		3652	sub main_loop {
		3653	trace "EV::loop starting\n";
		3654	if (1) {
		3655	EV::loop;
		3656	}
		3657	trace "EV::loop returned\n";
		3658	goto &main_loop unless $REALLY_UNLOOP;
		3659	}
		3660
3051	sub main {	3661	sub main {
		3662	cf::init_globals; # initialise logging
		3663
		3664	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3665	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3666	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3667	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3668
		3669	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3670
3052	# we must not ever block the main coroutine	3671	# we must not ever block the main coroutine
3053	local $Coro::idle = sub {	3672	local $Coro::idle = sub {
3054	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3673	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3055	(async {	3674	(async {
3056	Event::one_event;	3675	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3676	EV::loop EV::LOOP_ONESHOT;
3057	})->prio (Coro::PRIO_MAX);	3677	})->prio (Coro::PRIO_MAX);
3058	};	3678	};
3059		3679
		3680	evthread_start IO::AIO::poll_fileno;
		3681
		3682	cf::sync_job {
		3683	cf::incloader::init ();
		3684
		3685	cf::init_anim;
		3686	cf::init_attackmess;
		3687	cf::init_dynamic;
		3688
		3689	cf::load_settings;
		3690
		3691	reload_resources;
3060	reload_config;	3692	reload_config;
3061	db_init;	3693	db_init;
		3694
		3695	cf::init_uuid;
		3696	cf::init_signals;
		3697	cf::init_skills;
		3698
		3699	cf::init_beforeplay;
		3700
		3701	atomic;
		3702
3062	load_extensions;	3703	load_extensions;
3063		3704
3064	$TICK_WATCHER->start;	3705	utime time, time, $RUNTIMEFILE;
3065	Event::loop;	3706
		3707	# no (long-running) fork's whatsoever before this point(!)
		3708	use POSIX ();
		3709	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3710
		3711	cf::_post_init 0;
		3712	};
		3713
		3714	cf::object::thawer::errors_are_fatal 0;
		3715	info "parse errors in files are no longer fatal from this point on.\n";
		3716
		3717	my $free_main; $free_main = EV::idle sub {
		3718	undef $free_main;
		3719	undef &main; # free gobs of memory :)
		3720	};
		3721
		3722	goto &main_loop;
3066	}	3723	}
3067		3724
3068	#############################################################################	3725	#############################################################################
3069	# initialisation and cleanup	3726	# initialisation and cleanup
3070		3727
3071	# install some emergency cleanup handlers	3728	# install some emergency cleanup handlers
3072	BEGIN {	3729	BEGIN {
		3730	our %SIGWATCHER = ();
3073	for my $signal (qw(INT HUP TERM)) {	3731	for my $signal (qw(INT HUP TERM)) {
3074	Event->signal (	3732	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3075	reentrant => 0,
3076	data => WF_AUTOCANCEL,
3077	signal => $signal,
3078	prio => 0,
3079	cb => sub {
3080	cf::cleanup "SIG$signal";	3733	cf::cleanup "SIG$signal";
3081	},
3082	);	3734	};
3083	}	3735	}
3084	}	3736	}
3085		3737
3086	sub write_runtime {	3738	sub write_runtime_sync {
3087	my $runtime = "$LOCALDIR/runtime";	3739	my $t0 = AE::time;
3088		3740
3089	# first touch the runtime file to show we are still running:	3741	# first touch the runtime file to show we are still running:
3090	# the fsync below can take a very very long time.	3742	# the fsync below can take a very very long time.
3091		3743
3092	IO::AIO::aio_utime $runtime, undef, undef;	3744	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3093		3745
3094	my $guard = cf::lock_acquire "write_runtime";	3746	my $guard = cf::lock_acquire "write_runtime";
3095		3747
3096	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3748	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3097	or return;	3749	or return;
3098		3750
3099	my $value = $cf::RUNTIME + 90 + 10;	3751	my $value = $cf::RUNTIME + 90 + 10;
3100	# 10 is the runtime save interval, for a monotonic clock	3752	# 10 is the runtime save interval, for a monotonic clock
3101	# 60 allows for the watchdog to kill the server.	3753	# 60 allows for the watchdog to kill the server.
…		…
3111	aio_utime $fh, undef, undef;	3763	aio_utime $fh, undef, undef;
3112		3764
3113	close $fh	3765	close $fh
3114	or return;	3766	or return;
3115		3767
3116	aio_rename "$runtime~", $runtime	3768	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3117	and return;	3769	and return;
3118		3770
3119	warn "runtime file written.\n";	3771	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3120		3772
3121	1	3773	1
		3774	}
		3775
		3776	our $uuid_lock;
		3777	our $uuid_skip;
		3778
		3779	sub write_uuid_sync($) {
		3780	$uuid_skip ||= $_[0];
		3781
		3782	return if $uuid_lock;
		3783	local $uuid_lock = 1;
		3784
		3785	my $uuid = "$LOCALDIR/uuid";
		3786
		3787	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3788	or return;
		3789
		3790	my $value = uuid_seq uuid_cur;
		3791
		3792	unless ($value) {
		3793	info "cowardly refusing to write zero uuid value!\n";
		3794	return;
		3795	}
		3796
		3797	my $value = uuid_str $value + $uuid_skip;
		3798	$uuid_skip = 0;
		3799
		3800	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3801	and return;
		3802
		3803	# always fsync - this file is important
		3804	aio_fsync $fh
		3805	and return;
		3806
		3807	close $fh
		3808	or return;
		3809
		3810	aio_rename "$uuid~", $uuid
		3811	and return;
		3812
		3813	trace "uuid file written ($value).\n";
		3814
		3815	1
		3816
		3817	}
		3818
		3819	sub write_uuid($$) {
		3820	my ($skip, $sync) = @_;
		3821
		3822	$sync ? write_uuid_sync $skip
		3823	: async { write_uuid_sync $skip };
3122	}	3824	}
3123		3825
3124	sub emergency_save() {	3826	sub emergency_save() {
3125	my $freeze_guard = cf::freeze_mainloop;	3827	my $freeze_guard = cf::freeze_mainloop;
3126		3828
3127	warn "enter emergency perl save\n";	3829	info "emergency_perl_save: enter\n";
		3830
		3831	# this is a trade-off: we want to be very quick here, so
		3832	# save all maps without fsync, and later call a global sync
		3833	# (which in turn might be very very slow)
		3834	local $USE_FSYNC = 0;
3128		3835
3129	cf::sync_job {	3836	cf::sync_job {
		3837	cf::write_runtime_sync; # external watchdog should not bark
		3838
3130	# use a peculiar iteration method to avoid tripping on perl	3839	# use a peculiar iteration method to avoid tripping on perl
3131	# refcount bugs in for. also avoids problems with players	3840	# refcount bugs in for. also avoids problems with players
3132	# and maps saved/destroyed asynchronously.	3841	# and maps saved/destroyed asynchronously.
3133	warn "begin emergency player save\n";	3842	info "emergency_perl_save: begin player save\n";
3134	for my $login (keys %cf::PLAYER) {	3843	for my $login (keys %cf::PLAYER) {
3135	my $pl = $cf::PLAYER{$login} or next;	3844	my $pl = $cf::PLAYER{$login} or next;
3136	$pl->valid or next;	3845	$pl->valid or next;
		3846	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3137	$pl->save;	3847	$pl->save;
3138	}	3848	}
3139	warn "end emergency player save\n";	3849	info "emergency_perl_save: end player save\n";
3140		3850
3141	warn "begin emergency map save\n";	3851	cf::write_runtime_sync; # external watchdog should not bark
		3852
		3853	info "emergency_perl_save: begin map save\n";
3142	for my $path (keys %cf::MAP) {	3854	for my $path (keys %cf::MAP) {
3143	my $map = $cf::MAP{$path} or next;	3855	my $map = $cf::MAP{$path} or next;
3144	$map->valid or next;	3856	$map->valid or next;
3145	$map->save;	3857	$map->save;
3146	}	3858	}
3147	warn "end emergency map save\n";	3859	info "emergency_perl_save: end map save\n";
3148		3860
3149	warn "begin emergency database checkpoint\n";	3861	cf::write_runtime_sync; # external watchdog should not bark
		3862
		3863	info "emergency_perl_save: begin database checkpoint\n";
3150	BDB::db_env_txn_checkpoint $DB_ENV;	3864	BDB::db_env_txn_checkpoint $DB_ENV;
3151	warn "end emergency database checkpoint\n";	3865	info "emergency_perl_save: end database checkpoint\n";
		3866
		3867	info "emergency_perl_save: begin write uuid\n";
		3868	write_uuid_sync 1;
		3869	info "emergency_perl_save: end write uuid\n";
		3870
		3871	cf::write_runtime_sync; # external watchdog should not bark
		3872
		3873	trace "emergency_perl_save: syncing database to disk";
		3874	BDB::db_env_txn_checkpoint $DB_ENV;
		3875
		3876	info "emergency_perl_save: starting sync\n";
		3877	IO::AIO::aio_sync sub {
		3878	info "emergency_perl_save: finished sync\n";
		3879	};
		3880
		3881	cf::write_runtime_sync; # external watchdog should not bark
		3882
		3883	trace "emergency_perl_save: flushing outstanding aio requests";
		3884	while (IO::AIO::nreqs || BDB::nreqs) {
		3885	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3886	}
		3887
		3888	cf::write_runtime_sync; # external watchdog should not bark
3152	};	3889	};
3153		3890
3154	warn "leave emergency perl save\n";	3891	info "emergency_perl_save: leave\n";
3155	}	3892	}
3156		3893
3157	sub post_cleanup {	3894	sub post_cleanup {
3158	my ($make_core) = @_;	3895	my ($make_core) = @_;
3159		3896
		3897	IO::AIO::flush;
		3898
3160	warn Carp::longmess "post_cleanup backtrace"	3899	error Carp::longmess "post_cleanup backtrace"
3161	if $make_core;	3900	if $make_core;
		3901
		3902	my $fh = pidfile;
		3903	unlink $PIDFILE if <$fh> == $$;
		3904	}
		3905
		3906	# a safer delete_package, copied from Symbol
		3907	sub clear_package($) {
		3908	my $pkg = shift;
		3909
		3910	# expand to full symbol table name if needed
		3911	unless ($pkg =~ /^main::.*::$/) {
		3912	$pkg = "main$pkg" if $pkg =~ /^::/;
		3913	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3914	$pkg .= '::' unless $pkg =~ /::$/;
		3915	}
		3916
		3917	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3918	my $stem_symtab = *{$stem}{HASH};
		3919
		3920	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3921	or return;
		3922
		3923	# clear all symbols
		3924	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3925	for my $name (keys %$leaf_symtab) {
		3926	_gv_clear *{"$pkg$name"};
		3927	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3928	}
3162	}	3929	}
3163		3930
3164	sub do_reload_perl() {	3931	sub do_reload_perl() {
3165	# can/must only be called in main	3932	# can/must only be called in main
3166	if ($Coro::current != $Coro::main) {	3933	unless (in_main) {
3167	warn "can only reload from main coroutine";	3934	error "can only reload from main coroutine";
3168	return;	3935	return;
3169	}	3936	}
3170		3937
3171	warn "reloading...";	3938	return if $RELOAD++;
3172		3939
3173	warn "entering sync_job";	3940	my $t1 = AE::time;
3174		3941
		3942	while ($RELOAD) {
		3943	cf::get_slot 0.1, -1, "reload_perl";
		3944	info "perl_reload: reloading...";
		3945
		3946	trace "perl_reload: entering sync_job";
		3947
3175	cf::sync_job {	3948	cf::sync_job {
3176	cf::write_runtime; # external watchdog should not bark
3177	cf::emergency_save;	3949	#cf::emergency_save;
3178	cf::write_runtime; # external watchdog should not bark
3179		3950
3180	warn "syncing database to disk";
3181	BDB::db_env_txn_checkpoint $DB_ENV;
3182
3183	# if anything goes wrong in here, we should simply crash as we already saved
3184
3185	warn "cancelling all WF_AUTOCANCEL watchers";
3186	for (Event::all_watchers) {
3187	$_->cancel if $_->data & WF_AUTOCANCEL;
3188	}
3189
3190	warn "flushing outstanding aio requests";
3191	for (;;) {
3192	BDB::flush;
3193	IO::AIO::flush;
3194	Coro::cede;
3195	last unless IO::AIO::nreqs || BDB::nreqs;
3196	warn "iterate...";
3197	}
3198
3199	++$RELOAD;
3200
3201	warn "cancelling all extension coros";	3951	trace "perl_reload: cancelling all extension coros";
3202	$_->cancel for values %EXT_CORO;	3952	$_->cancel for values %EXT_CORO;
3203	%EXT_CORO = ();	3953	%EXT_CORO = ();
3204		3954
3205	warn "removing commands";	3955	trace "perl_reload: removing commands";
3206	%COMMAND = ();	3956	%COMMAND = ();
3207		3957
3208	warn "removing ext/exti commands";	3958	trace "perl_reload: removing ext/exti commands";
3209	%EXTCMD = ();	3959	%EXTCMD = ();
3210	%EXTICMD = ();	3960	%EXTICMD = ();
3211		3961
3212	warn "unloading/nuking all extensions";	3962	trace "perl_reload: unloading/nuking all extensions";
3213	for my $pkg (@EXTS) {	3963	for my $pkg (@EXTS) {
3214	warn "... unloading $pkg";	3964	trace "... unloading $pkg";
3215		3965
3216	if (my $cb = $pkg->can ("unload")) {	3966	if (my $cb = $pkg->can ("unload")) {
3217	eval {	3967	eval {
3218	$cb->($pkg);	3968	$cb->($pkg);
3219	1	3969	1
3220	} or warn "$pkg unloaded, but with errors: $@";	3970	} or error "$pkg unloaded, but with errors: $@";
		3971	}
		3972
		3973	trace "... clearing $pkg";
		3974	clear_package $pkg;
3221	}	3975	}
3222		3976
3223	warn "... nuking $pkg";
3224	Symbol::delete_package $pkg;
3225	}
3226
3227	warn "unloading all perl modules loaded from $LIBDIR";	3977	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3228	while (my ($k, $v) = each %INC) {	3978	while (my ($k, $v) = each %INC) {
3229	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3979	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3230		3980
3231	warn "... unloading $k";	3981	trace "... unloading $k";
3232	delete $INC{$k};	3982	delete $INC{$k};
3233		3983
3234	$k =~ s/\.pm$//;	3984	$k =~ s/\.pm$//;
3235	$k =~ s/\//::/g;	3985	$k =~ s/\//::/g;
3236		3986
3237	if (my $cb = $k->can ("unload_module")) {	3987	if (my $cb = $k->can ("unload_module")) {
3238	$cb->();	3988	$cb->();
		3989	}
		3990
		3991	clear_package $k;
3239	}	3992	}
3240		3993
3241	Symbol::delete_package $k;
3242	}
3243
3244	warn "getting rid of safe::, as good as possible";	3994	trace "perl_reload: getting rid of safe::, as good as possible";
3245	Symbol::delete_package "safe::$_"	3995	clear_package "safe::$_"
3246	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3996	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3247		3997
3248	warn "unloading cf.pm \"a bit\"";	3998	trace "perl_reload: unloading cf.pm \"a bit\"";
3249	delete $INC{"cf.pm"};	3999	delete $INC{"cf.pm"};
3250	delete $INC{"cf/pod.pm"};	4000	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3251		4001
3252	# don't, removes xs symbols, too,	4002	# don't, removes xs symbols, too,
3253	# and global variables created in xs	4003	# and global variables created in xs
3254	#Symbol::delete_package __PACKAGE__;	4004	#clear_package __PACKAGE__;
3255		4005
3256	warn "unload completed, starting to reload now";	4006	info "perl_reload: unload completed, starting to reload now";
3257		4007
3258	warn "reloading cf.pm";	4008	trace "perl_reload: reloading cf.pm";
3259	require cf;	4009	require cf;
3260	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4010	cf::_connect_to_perl_1;
3261		4011
3262	warn "loading config and database again";	4012	trace "perl_reload: loading config and database again";
3263	cf::reload_config;	4013	cf::reload_config;
3264		4014
3265	warn "loading extensions";	4015	trace "perl_reload: loading extensions";
3266	cf::load_extensions;	4016	cf::load_extensions;
3267		4017
		4018	if ($REATTACH_ON_RELOAD) {
3268	warn "reattaching attachments to objects/players";	4019	trace "perl_reload: reattaching attachments to objects/players";
3269	_global_reattach; # objects, sockets	4020	_global_reattach; # objects, sockets
3270	warn "reattaching attachments to maps";	4021	trace "perl_reload: reattaching attachments to maps";
3271	reattach $_ for values %MAP;	4022	reattach $_ for values %MAP;
3272	warn "reattaching attachments to players";	4023	trace "perl_reload: reattaching attachments to players";
3273	reattach $_ for values %PLAYER;	4024	reattach $_ for values %PLAYER;
		4025	}
3274		4026
3275	warn "leaving sync_job";	4027	cf::_post_init 1;
3276		4028
		4029	trace "perl_reload: leaving sync_job";
		4030
3277	1	4031	1
3278	} or do {	4032	} or do {
3279	warn $@;	4033	error $@;
3280	warn "error while reloading, exiting.";	4034	cf::cleanup "perl_reload: error, exiting.";
3281	exit 1;	4035	};
		4036
		4037	--$RELOAD;
3282	};	4038	}
3283		4039
3284	warn "reloaded";	4040	$t1 = AE::time - $t1;
		4041	info "perl_reload: completed in ${t1}s\n";
3285	};	4042	};
3286		4043
3287	our $RELOAD_WATCHER; # used only during reload	4044	our $RELOAD_WATCHER; # used only during reload
3288		4045
3289	sub reload_perl() {	4046	sub reload_perl() {
3290	# doing reload synchronously and two reloads happen back-to-back,	4047	# doing reload synchronously and two reloads happen back-to-back,
3291	# coro crashes during coro_state_free->destroy here.	4048	# coro crashes during coro_state_free->destroy here.
3292		4049
3293	$RELOAD_WATCHER ||= Event->timer (	4050	$RELOAD_WATCHER ||= cf::async {
3294	reentrant => 0,	4051	Coro::AIO::aio_wait cache_extensions;
3295	after => 0,	4052
3296	data => WF_AUTOCANCEL,	4053	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3297	cb => sub {
3298	do_reload_perl;	4054	do_reload_perl;
3299	undef $RELOAD_WATCHER;	4055	undef $RELOAD_WATCHER;
3300	},	4056	};
3301	);	4057	};
3302	}	4058	}
3303		4059
3304	register_command "reload" => sub {	4060	register_command "reload" => sub {
3305	my ($who, $arg) = @_;	4061	my ($who, $arg) = @_;
3306		4062
3307	if ($who->flag (FLAG_WIZ)) {	4063	if ($who->flag (FLAG_WIZ)) {
3308	$who->message ("reloading server.");	4064	$who->message ("reloading server.");
		4065	async {
		4066	$Coro::current->{desc} = "perl_reload";
3309	async { reload_perl };	4067	reload_perl;
		4068	};
3310	}	4069	}
3311	};	4070	};
3312		4071
3313	unshift @INC, $LIBDIR;	4072	#############################################################################
3314		4073
3315	my $bug_warning = 0;	4074	my $bug_warning = 0;
3316		4075
3317	our @WAIT_FOR_TICK;	4076	our @WAIT_FOR_TICK;
3318	our @WAIT_FOR_TICK_BEGIN;	4077	our @WAIT_FOR_TICK_BEGIN;
3319		4078
3320	sub wait_for_tick {	4079	sub wait_for_tick() {
3321	return unless $TICK_WATCHER->is_active;
3322	return if $Coro::current == $Coro::main;	4080	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3323		4081
3324	my $signal = new Coro::Signal;	4082	my $signal = new Coro::Signal;
3325	push @WAIT_FOR_TICK, $signal;	4083	push @WAIT_FOR_TICK, $signal;
3326	$signal->wait;	4084	$signal->wait;
3327	}	4085	}
3328		4086
3329	sub wait_for_tick_begin {	4087	sub wait_for_tick_begin() {
3330	return unless $TICK_WATCHER->is_active;
3331	return if $Coro::current == $Coro::main;	4088	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3332		4089
3333	my $signal = new Coro::Signal;	4090	my $signal = new Coro::Signal;
3334	push @WAIT_FOR_TICK_BEGIN, $signal;	4091	push @WAIT_FOR_TICK_BEGIN, $signal;
3335	$signal->wait;	4092	$signal->wait;
3336	}	4093	}
3337		4094
3338	my $min = 1e6;#d#	4095	sub tick {
3339	my $avg = 10;
3340	$TICK_WATCHER = Event->timer (
3341	reentrant => 0,
3342	parked => 1,
3343	prio => 0,
3344	at => $NEXT_TICK || $TICK,
3345	data => WF_AUTOCANCEL,
3346	cb => sub {
3347	if ($Coro::current != $Coro::main) {	4096	if ($Coro::current != $Coro::main) {
3348	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4097	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3349	unless ++$bug_warning > 10;	4098	unless ++$bug_warning > 10;
3350	return;	4099	return;
3351	}	4100	}
3352		4101
3353	$NOW = $tick_start = Event::time;
3354
3355	cf::server_tick; # one server iteration	4102	cf::server_tick; # one server iteration
3356		4103
3357	0 && sync_job {#d#	4104	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3358	for(1..10) {
3359	my $t = Event::time;
3360	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3361	or die;
3362		4105
3363	$map->width (50);	4106	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3364	$map->height (50);	4107	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3365	$map->alloc;	4108	Coro::async_pool {
3366	$map->_load_objects ("/tmp/x.map", 1);	4109	$Coro::current->{desc} = "runtime saver";
3367	my $t = Event::time - $t;	4110	write_runtime_sync
3368		4111	or error "ERROR: unable to write runtime file: $!";
3369	#next unless $t < 0.0013;#d#
3370	if ($t < $min) {
3371	$min = $t;
3372	}
3373	$avg = $avg * 0.99 + $t * 0.01;
3374	}
3375	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3376	exit 0;
3377	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3378	};	4112	};
		4113	}
3379		4114
3380	$RUNTIME += $TICK;
3381	$NEXT_TICK += $TICK;
3382
3383	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3384	$NEXT_RUNTIME_WRITE = $NOW + 10;
3385	Coro::async_pool {
3386	write_runtime
3387	or warn "ERROR: unable to write runtime file: $!";
3388	};
3389	}
3390
3391	# my $AFTER = Event::time;
3392	# warn $AFTER - $NOW;#d#
3393
3394	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4115	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3395	$sig->send;	4116	$sig->send;
3396	}	4117	}
3397	while (my $sig = shift @WAIT_FOR_TICK) {	4118	while (my $sig = shift @WAIT_FOR_TICK) {
3398	$sig->send;	4119	$sig->send;
3399	}	4120	}
3400		4121
3401	$NOW = Event::time;	4122	$LOAD = ($NOW - $TICK_START) / $TICK;
3402
3403	# if we are delayed by four ticks or more, skip them all
3404	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3405
3406	$TICK_WATCHER->at ($NEXT_TICK);
3407	$TICK_WATCHER->start;
3408
3409	$LOAD = ($NOW - $tick_start) / $TICK;
3410	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4123	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3411		4124
3412	_post_tick;	4125	if (0) {
3413		4126	if ($NEXT_TICK) {
3414		4127	my $jitter = $TICK_START - $NEXT_TICK;
		4128	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4129	debug "jitter $JITTER\n";#d#
		4130	}
3415	},	4131	}
3416	);	4132	}
3417		4133
3418	{	4134	{
3419	BDB::max_poll_time $TICK * 0.1;	4135	# configure BDB
3420	$BDB_POLL_WATCHER = Event->io (	4136
3421	reentrant => 0,
3422	fd => BDB::poll_fileno,
3423	poll => 'r',
3424	prio => 0,
3425	data => WF_AUTOCANCEL,
3426	cb => \&BDB::poll_cb,
3427	);
3428	BDB::min_parallel 8;	4137	BDB::min_parallel 16;
3429		4138	BDB::max_poll_reqs $TICK * 0.1;
3430	BDB::set_sync_prepare {	4139	$AnyEvent::BDB::WATCHER->priority (1);
3431	my $status;
3432	my $current = $Coro::current;
3433	(
3434	sub {
3435	$status = $!;
3436	$current->ready; undef $current;
3437	},
3438	sub {
3439	Coro::schedule while defined $current;
3440	$! = $status;
3441	},
3442	)
3443	};
3444		4140
3445	unless ($DB_ENV) {	4141	unless ($DB_ENV) {
3446	$DB_ENV = BDB::db_env_create;	4142	$DB_ENV = BDB::db_env_create;
		4143	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4144	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4145	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4146	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4147	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3447		4148
3448	cf::sync_job {	4149	cf::sync_job {
3449	eval {	4150	eval {
3450	BDB::db_env_open	4151	BDB::db_env_open
3451	$DB_ENV,	4152	$DB_ENV,
…		…
3453	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4154	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3454	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4155	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3455	0666;	4156	0666;
3456		4157
3457	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4158	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3458
3459	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3460	$DB_ENV->set_lk_detect;
3461	};	4159	};
3462		4160
3463	cf::cleanup "db_env_open(db): $@" if $@;	4161	cf::cleanup "db_env_open(db): $@" if $@;
3464	};	4162	};
3465	}	4163	}
		4164
		4165	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4166	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4167	};
		4168	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4169	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4170	};
		4171	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4172	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4173	};
3466	}	4174	}
3467		4175
3468	{	4176	{
		4177	# configure IO::AIO
		4178
3469	IO::AIO::min_parallel 8;	4179	IO::AIO::min_parallel 8;
3470
3471	undef $Coro::AIO::WATCHER;
3472	IO::AIO::max_poll_time $TICK * 0.1;	4180	IO::AIO::max_poll_time $TICK * 0.1;
3473	$AIO_POLL_WATCHER = Event->io (	4181	undef $AnyEvent::AIO::WATCHER;
3474	reentrant => 0,
3475	data => WF_AUTOCANCEL,
3476	fd => IO::AIO::poll_fileno,
3477	poll => 'r',
3478	prio => 6,
3479	cb => \&IO::AIO::poll_cb,
3480	);
3481	}	4182	}
3482		4183
3483	my $_log_backtrace;	4184	our $_log_backtrace;
		4185	our $_log_backtrace_last;
3484		4186
3485	sub _log_backtrace {	4187	sub _log_backtrace {
3486	my ($msg, @addr) = @_;	4188	my ($msg, @addr) = @_;
3487		4189
3488	$msg =~ s/\n//;	4190	$msg =~ s/\n$//;
3489		4191
		4192	if ($_log_backtrace_last eq $msg) {
		4193	LOG llevInfo, "[ABT] $msg\n";
		4194	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3490	# limit the # of concurrent backtraces	4195	# limit the # of concurrent backtraces
3491	if ($_log_backtrace < 2) {	4196	} elsif ($_log_backtrace < 2) {
		4197	$_log_backtrace_last = $msg;
3492	++$_log_backtrace;	4198	++$_log_backtrace;
		4199	my $perl_bt = Carp::longmess $msg;
3493	async {	4200	async {
		4201	$Coro::current->{desc} = "abt $msg";
		4202
3494	my @bt = fork_call {	4203	my @bt = fork_call {
3495	@addr = map { sprintf "%x", $_ } @addr;	4204	@addr = map { sprintf "%x", $_ } @addr;
3496	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4205	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3497	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4206	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3498	or die "addr2line: $!";	4207	or die "addr2line: $!";
…		…
3506	}	4215	}
3507		4216
3508	@funcs	4217	@funcs
3509	};	4218	};
3510		4219
3511	LOG llevInfo, "[ABT] $msg\n";	4220	LOG llevInfo, "[ABT] $perl_bt\n";
		4221	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3512	LOG llevInfo, "[ABT] $_\n" for @bt;	4222	LOG llevInfo, "[ABT] $_\n" for @bt;
3513	--$_log_backtrace;	4223	--$_log_backtrace;
3514	};	4224	};
3515	} else {	4225	} else {
3516	LOG llevInfo, "[ABT] $msg\n";	4226	LOG llevInfo, "[ABT] $msg\n";
3517	LOG llevInfo, "[ABT] [suppressed]\n";	4227	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3518	}	4228	}
3519	}	4229	}
3520		4230
3521	# load additional modules	4231	# load additional modules
3522	use cf::pod;	4232	require "cf/$_.pm" for @EXTRA_MODULES;
		4233	cf::_connect_to_perl_2;
3523		4234
3524	END { cf::emergency_save }	4235	END { cf::emergency_save }
3525		4236
3526	1	4237	1
3527		4238

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