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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.280 by root, Sat Jun 16 14:35:41 2007 UTC vs.
Revision 1.529 by root, Wed Apr 28 11:28:22 2010 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
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Socket;	31	use Socket;
9	use Storable;	32	use EV;
10	use Event;
11	use Opcode;	33	use Opcode;
12	use Safe;	34	use Safe;
13	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
14		38
		39	use Guard ();
15	use Coro 3.61 ();	40	use Coro ();
16	use Coro::State;	41	use Coro::State;
17	use Coro::Handle;	42	use Coro::Handle;
		43	use Coro::EV;
18	use Coro::Event;	44	use Coro::AnyEvent;
19	use Coro::Timer;	45	use Coro::Timer;
20	use Coro::Signal;	46	use Coro::Signal;
21	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
22	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
23	use Coro::Storable;	52	use Coro::Storable;
		53	use Coro::Util ();
24		54
		55	use JSON::XS 2.01 ();
25	use BDB ();	56	use BDB ();
26	use Data::Dumper;	57	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	58	use Fcntl;
29	use YAML::Syck ();	59	use YAML::XS ();
30	use IO::AIO 2.32 ();	60	use IO::AIO ();
31	use Time::HiRes;	61	use Time::HiRes;
32	use Compress::LZF;	62	use Compress::LZF;
		63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
33		66
34	# configure various modules to our taste	67	# configure various modules to our taste
35	#	68	#
36	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		77
40	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
41		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		80
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
59		96
60	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	98	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE;
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
71		118
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	121	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript);
82		130
83	our %CFG;	131	our %CFG;
84		132
85	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
87		136
88	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
91		140
92	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		143
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
98		153
99	binmode STDOUT;	154	binmode STDOUT;
100	binmode STDERR;	155	binmode STDERR;
101		156
102	# read virtual server time, if available	157	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
107	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
108		165
109	mkdir $_	166	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		168
112	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
113		170
114	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
115		187
116	#############################################################################	188	#############################################################################
117		189
118	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
119		191
…		…
155		227
156	The raw value load value from the last tick.	228	The raw value load value from the last tick.
157		229
158	=item %cf::CFG	230	=item %cf::CFG
159		231
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	233	from wherever your confdir points to.
162		234
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		236
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	238	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		240
		241	=item @cf::INVOKE_RESULTS
		242
		243	This array contains the results of the last C<invoke ()> call. When
		244	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		245	that call.
		246
		247	=item %cf::REFLECT
		248
		249	Contains, for each (C++) class name, a hash reference with information
		250	about object members (methods, scalars, arrays and flags) and other
		251	metadata, which is useful for introspection.
		252
169	=back	253	=back
170		254
171	=cut	255	=cut
172		256
173	BEGIN {	257	$Coro::State::WARNHOOK = sub {
174	*CORE::GLOBAL::warn = sub {
175	my $msg = join "", @_;	258	my $msg = join "", @_;
176		259
177	$msg .= "\n"	260	$msg .= "\n"
178	unless $msg =~ /\n$/;	261	unless $msg =~ /\n$/;
179		262
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	263	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		264
182	utf8::encode $msg;
183	LOG llevError, $msg;	265	LOG llevError, $msg;
184	};	266	};
185	}	267
		268	$Coro::State::DIEHOOK = sub {
		269	return unless $^S eq 0; # "eq", not "=="
		270
		271	warn Carp::longmess $_[0];
		272
		273	if (in_main) {#d#
		274	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		275	return;#d#
		276	}#d#
		277
		278	# kill coroutine otherwise
		279	Coro::terminate
		280	};
186		281
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	282	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	283	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	284	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	285	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	292	for my $pkg (qw(
198	cf::global cf::attachable	293	cf::global cf::attachable
199	cf::object cf::object::player	294	cf::object cf::object::player
200	cf::client cf::player	295	cf::client cf::player
201	cf::arch cf::living	296	cf::arch cf::living
		297	cf::map cf::mapspace
202	cf::map cf::party cf::region	298	cf::party cf::region
203	)) {	299	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	300	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	301	}
207		302
208	$Event::DIED = sub {	303	$EV::DIED = sub {
209	warn "error in event callback: @_";	304	Carp::cluck "error in event callback: @_";
210	};	305	};
		306
		307	#############################################################################
211		308
212	=head2 UTILITY FUNCTIONS	309	=head2 UTILITY FUNCTIONS
213		310
214	=over 4	311	=over 4
215		312
…		…
234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	331	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235	$d	332	$d
236	} || "[unable to dump $_[0]: '$@']";	333	} || "[unable to dump $_[0]: '$@']";
237	}	334	}
238		335
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241	=item $ref = cf::from_json $json	336	=item $ref = cf::decode_json $json
242		337
243	Converts a JSON string into the corresponding perl data structure.	338	Converts a JSON string into the corresponding perl data structure.
244		339
245	=item $json = cf::to_json $ref	340	=item $json = cf::encode_json $ref
246		341
247	Converts a perl data structure into its JSON representation.	342	Converts a perl data structure into its JSON representation.
248		343
		344	=cut
		345
		346	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		347
		348	sub encode_json($) { $json_coder->encode ($_[0]) }
		349	sub decode_json($) { $json_coder->decode ($_[0]) }
		350
		351	=item cf::post_init { BLOCK }
		352
		353	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		354	but I<before> the server starts ticking again.
		355
		356	The cdoeblock will have a single boolean argument to indicate whether this
		357	is a reload or not.
		358
		359	=cut
		360
		361	sub post_init(&) {
		362	push @POST_INIT, shift;
		363	}
		364
249	=item cf::lock_wait $string	365	=item cf::lock_wait $string
250		366
251	Wait until the given lock is available. See cf::lock_acquire.	367	Wait until the given lock is available. See cf::lock_acquire.
252		368
253	=item my $lock = cf::lock_acquire $string	369	=item my $lock = cf::lock_acquire $string
254		370
255	Wait until the given lock is available and then acquires it and returns	371	Wait until the given lock is available and then acquires it and returns
256	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	372	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
257	for example when the coroutine gets canceled), the lock is automatically	373	for example when the coroutine gets canceled), the lock is automatically
258	returned.	374	returned.
259		375
		376	Locks are *not* recursive, locking from the same coro twice results in a
		377	deadlocked coro.
		378
260	Lock names should begin with a unique identifier (for example, cf::map::find	379	Lock names should begin with a unique identifier (for example, cf::map::find
261	uses map_find and cf::map::load uses map_load).	380	uses map_find and cf::map::load uses map_load).
262		381
263	=item $locked = cf::lock_active $string	382	=item $locked = cf::lock_active $string
264		383
265	Return true if the lock is currently active, i.e. somebody has locked it.	384	Return true if the lock is currently active, i.e. somebody has locked it.
266		385
267	=cut	386	=cut
268		387
269	our %LOCK;	388	our $LOCKS = new Coro::SemaphoreSet;
270		389
271	sub lock_wait($) {	390	sub lock_wait($) {
272	my ($key) = @_;	391	$LOCKS->wait ($_[0]);
273
274	# wait for lock, if any
275	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;
278	}
279	}	392	}
280		393
281	sub lock_acquire($) {	394	sub lock_acquire($) {
282	my ($key) = @_;	395	$LOCKS->guard ($_[0])
283
284	# wait, to be sure we are not locked
285	lock_wait $key;
286
287	$LOCK{$key} = [];
288
289	Coro::guard {
290	# wake up all waiters, to be on the safe side
291	$_->ready for @{ delete $LOCK{$key} };
292	}
293	}	396	}
294		397
295	sub lock_active($) {	398	sub lock_active($) {
296	my ($key) = @_;	399	$LOCKS->count ($_[0]) < 1
297
298	! ! $LOCK{$key}
299	}	400	}
300		401
301	sub freeze_mainloop {	402	sub freeze_mainloop {
302	return unless $TICK_WATCHER->is_active;	403	tick_inhibit_inc;
303		404
304	my $guard = Coro::guard {	405	&Guard::guard (\&tick_inhibit_dec);
305	$TICK_WATCHER->start;	406	}
		407
		408	=item cf::periodic $interval, $cb
		409
		410	Like EV::periodic, but randomly selects a starting point so that the actions
		411	get spread over time.
		412
		413	=cut
		414
		415	sub periodic($$) {
		416	my ($interval, $cb) = @_;
		417
		418	my $start = rand List::Util::min 180, $interval;
		419
		420	EV::periodic $start, $interval, 0, $cb
		421	}
		422
		423	=item cf::get_slot $time[, $priority[, $name]]
		424
		425	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		426	This call blocks and returns only when you have at least C<$time> seconds
		427	of cpu time till the next tick. The slot is only valid till the next cede.
		428
		429	The optional C<$name> can be used to identify the job to run. It might be
		430	used for statistical purposes and should identify the same time-class.
		431
		432	Useful for short background jobs.
		433
		434	=cut
		435
		436	our @SLOT_QUEUE;
		437	our $SLOT_QUEUE;
		438	our $SLOT_DECAY = 0.9;
		439
		440	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		441	$SLOT_QUEUE = Coro::async {
		442	$Coro::current->desc ("timeslot manager");
		443
		444	my $signal = new Coro::Signal;
		445	my $busy;
		446
		447	while () {
		448	next_job:
		449
		450	my $avail = cf::till_tick;
		451
		452	for (0 .. $#SLOT_QUEUE) {
		453	if ($SLOT_QUEUE[$_][0] <= $avail) {
		454	$busy = 0;
		455	my $job = splice @SLOT_QUEUE, $_, 1, ();
		456	$job->[2]->send;
		457	Coro::cede;
		458	goto next_job;
		459	} else {
		460	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		461	}
		462	}
		463
		464	if (@SLOT_QUEUE) {
		465	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		466	push @cf::WAIT_FOR_TICK, $signal;
		467	$signal->wait;
		468	} else {
		469	$busy = 0;
		470	Coro::schedule;
		471	}
306	};	472	}
307	$TICK_WATCHER->stop;	473	};
308	$guard	474
		475	sub get_slot($;$$) {
		476	return if tick_inhibit || $Coro::current == $Coro::main;
		477
		478	my ($time, $pri, $name) = @_;
		479
		480	$time = clamp $time, 0.01, $TICK * .6;
		481
		482	my $sig = new Coro::Signal;
		483
		484	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		485	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		486	$SLOT_QUEUE->ready;
		487	$sig->wait;
309	}	488	}
310		489
311	=item cf::async { BLOCK }	490	=item cf::async { BLOCK }
312		491
313	Currently the same as Coro::async_pool, meaning you cannot use	492	Currently the same as Coro::async_pool, meaning you cannot use
…		…
318		497
319	BEGIN { *async = \&Coro::async_pool }	498	BEGIN { *async = \&Coro::async_pool }
320		499
321	=item cf::sync_job { BLOCK }	500	=item cf::sync_job { BLOCK }
322		501
323	The design of crossfire+ requires that the main coro ($Coro::main) is	502	The design of Deliantra requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	503	is always able to handle events or runnable, as Deliantra is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	504	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		505	acceptable.
326		506
327	If it must be done, put the blocking parts into C<sync_job>. This will run	507	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	508	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	509	server will be frozen during this time, so the block should either finish
330	fast or be very important.	510	fast or be very important.
…		…
333		513
334	sub sync_job(&) {	514	sub sync_job(&) {
335	my ($job) = @_;	515	my ($job) = @_;
336		516
337	if ($Coro::current == $Coro::main) {	517	if ($Coro::current == $Coro::main) {
338	my $time = Event::time;	518	my $time = AE::time;
339		519
340	# this is the main coro, too bad, we have to block	520	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	521	# till the operation succeeds, freezing the server :/
342		522
343	# TODO: use suspend/resume instead	523	LOG llevError, Carp::longmess "sync job";#d#
344	# (but this is cancel-safe)	524
345	my $freeze_guard = freeze_mainloop;	525	my $freeze_guard = freeze_mainloop;
346		526
347	my $busy = 1;	527	my $busy = 1;
348	my @res;	528	my @res;
349		529
350	(async {	530	(async {
		531	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	532	@res = eval { $job->() };
352	warn $@ if $@;	533	warn $@ if $@;
353	undef $busy;	534	undef $busy;
354	})->prio (Coro::PRIO_MAX);	535	})->prio (Coro::PRIO_MAX);
355		536
356	while ($busy) {	537	while ($busy) {
357	Coro::cede or Event::one_event;	538	if (Coro::nready) {
		539	Coro::cede_notself;
		540	} else {
		541	EV::loop EV::LOOP_ONESHOT;
358	}	542	}
		543	}
359		544
360	$time = Event::time - $time;	545	my $time = AE::time - $time;
361		546
362	LOG llevError | logBacktrace, Carp::longmess "long sync job"
363	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
364
365	$tick_start += $time; # do not account sync jobs to server load	547	$TICK_START += $time; # do not account sync jobs to server load
366		548
367	wantarray ? @res : $res[0]	549	wantarray ? @res : $res[0]
368	} else {	550	} else {
369	# we are in another coroutine, how wonderful, everything just works	551	# we are in another coroutine, how wonderful, everything just works
370		552
…		…
390	$EXT_CORO{$coro+0} = $coro;	572	$EXT_CORO{$coro+0} = $coro;
391		573
392	$coro	574	$coro
393	}	575	}
394		576
395	sub write_runtime {	577	=item fork_call { }, $args
396	my $runtime = "$LOCALDIR/runtime";
397		578
398	# first touch the runtime file to show we are still running:	579	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	580	process, returning the results. Everything must be serialisable with
		581	Coro::Storable. May, of course, block. Note that the executed sub may
		582	never block itself or use any form of event handling.
400		583
401	IO::AIO::aio_utime $runtime, undef, undef;	584	=cut
402		585
403	my $guard = cf::lock_acquire "write_runtime";	586	sub fork_call(&@) {
		587	my ($cb, @args) = @_;
404		588
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	589	# we seemingly have to make a local copy of the whole thing,
406	or return;	590	# otherwise perl prematurely frees the stuff :/
		591	# TODO: investigate and fix (likely this will be rather laborious)
407		592
408	my $value = $cf::RUNTIME + 90 + 10;	593	my @res = Coro::Util::fork_eval {
409	# 10 is the runtime save interval, for a monotonic clock	594	reset_signals;
410	# 60 allows for the watchdog to kill the server.	595	&$cb
		596	}, @args;
411		597
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	598	wantarray ? @res : $res[-1]
413	and return;	599	}
414		600
415	# always fsync - this file is important	601	sub objinfo {
416	aio_fsync $fh
417	and return;
418
419	# touch it again to show we are up-to-date
420	aio_utime $fh, undef, undef;
421
422	close $fh
423	or return;
424
425	aio_rename "$runtime~", $runtime
426	and return;
427
428	warn "runtime file written.\n";
429
430	1	602	(
		603	"counter value" => cf::object::object_count,
		604	"objects created" => cf::object::create_count,
		605	"objects destroyed" => cf::object::destroy_count,
		606	"freelist size" => cf::object::free_count,
		607	"allocated objects" => cf::object::objects_size,
		608	"active objects" => cf::object::actives_size,
		609	)
		610	}
		611
		612	=item $coin = coin_from_name $name
		613
		614	=cut
		615
		616	our %coin_alias = (
		617	"silver" => "silvercoin",
		618	"silvercoin" => "silvercoin",
		619	"silvercoins" => "silvercoin",
		620	"gold" => "goldcoin",
		621	"goldcoin" => "goldcoin",
		622	"goldcoins" => "goldcoin",
		623	"platinum" => "platinacoin",
		624	"platinumcoin" => "platinacoin",
		625	"platinumcoins" => "platinacoin",
		626	"platina" => "platinacoin",
		627	"platinacoin" => "platinacoin",
		628	"platinacoins" => "platinacoin",
		629	"royalty" => "royalty",
		630	"royalties" => "royalty",
		631	);
		632
		633	sub coin_from_name($) {
		634	$coin_alias{$_[0]}
		635	? cf::arch::find $coin_alias{$_[0]}
		636	: undef
		637	}
		638
		639	=item $value = cf::db_get $family => $key
		640
		641	Returns a single value from the environment database.
		642
		643	=item cf::db_put $family => $key => $value
		644
		645	Stores the given C<$value> in the family. It can currently store binary
		646	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		647
		648	=item $db = cf::db_table "name"
		649
		650	Create and/or open a new database table. The string must not be "db" and must be unique
		651	within each server.
		652
		653	=cut
		654
		655	sub db_table($) {
		656	my ($name) = @_;
		657	my $db = BDB::db_create $DB_ENV;
		658
		659	eval {
		660	$db->set_flags (BDB::CHKSUM);
		661
		662	utf8::encode $name;
		663	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		664	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		665	cf::cleanup "db_open(db): $!" if $!;
		666	};
		667	cf::cleanup "db_open(db): $@" if $@;
		668
		669	$db
		670	}
		671
		672	our $DB;
		673
		674	sub db_init {
		675	cf::sync_job {
		676	$DB ||= db_table "db";
		677	};
		678	}
		679
		680	sub db_get($$) {
		681	my $key = "$_[0]/$_[1]";
		682
		683	cf::sync_job {
		684	BDB::db_get $DB, undef, $key, my $data;
		685
		686	$! ? ()
		687	: $data
		688	}
		689	}
		690
		691	sub db_put($$$) {
		692	BDB::dbreq_pri 4;
		693	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		694	}
		695
		696	=item cf::cache $id => [$paths...], $processversion => $process
		697
		698	Generic caching function that returns the value of the resource $id,
		699	caching and regenerating as required.
		700
		701	This function can block.
		702
		703	=cut
		704
		705	sub cache {
		706	my ($id, $src, $processversion, $process) = @_;
		707
		708	my $meta =
		709	join "\x00",
		710	$processversion,
		711	map {
		712	aio_stat $_
		713	and Carp::croak "$_: $!";
		714
		715	($_, (stat _)[7,9])
		716	} @$src;
		717
		718	my $dbmeta = db_get cache => "$id/meta";
		719	if ($dbmeta ne $meta) {
		720	# changed, we may need to process
		721
		722	my @data;
		723	my $md5;
		724
		725	for (0 .. $#$src) {
		726	0 <= aio_load $src->[$_], $data[$_]
		727	or Carp::croak "$src->[$_]: $!";
		728	}
		729
		730	# if processing is expensive, check
		731	# checksum first
		732	if (1) {
		733	$md5 =
		734	join "\x00",
		735	$processversion,
		736	map {
		737	cf::cede_to_tick;
		738	($src->[$_], Digest::MD5::md5_hex $data[$_])
		739	} 0.. $#$src;
		740
		741
		742	my $dbmd5 = db_get cache => "$id/md5";
		743	if ($dbmd5 eq $md5) {
		744	db_put cache => "$id/meta", $meta;
		745
		746	return db_get cache => "$id/data";
		747	}
		748	}
		749
		750	my $t1 = Time::HiRes::time;
		751	my $data = $process->(\@data);
		752	my $t2 = Time::HiRes::time;
		753
		754	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		755
		756	db_put cache => "$id/data", $data;
		757	db_put cache => "$id/md5" , $md5;
		758	db_put cache => "$id/meta", $meta;
		759
		760	return $data;
		761	}
		762
		763	db_get cache => "$id/data"
431	}	764	}
432		765
433	=item cf::datalog type => key => value, ...	766	=item cf::datalog type => key => value, ...
434		767
435	Log a datalog packet of the given type with the given key-value pairs.	768	Log a datalog packet of the given type with the given key-value pairs.
…		…
447		780
448	#############################################################################	781	#############################################################################
449		782
450	=head2 ATTACHABLE OBJECTS	783	=head2 ATTACHABLE OBJECTS
451		784
452	Many objects in crossfire are so-called attachable objects. That means you can	785	Many objects in deliantra are so-called attachable objects. That means you can
453	attach callbacks/event handlers (a collection of which is called an "attachment")	786	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	787	to it. All such attachable objects support the following methods.
455		788
456	In the following description, CLASS can be any of C<global>, C<object>	789	In the following description, CLASS can be any of C<global>, C<object>
457	C<player>, C<client> or C<map> (i.e. the attachable objects in	790	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	791	Deliantra).
459		792
460	=over 4	793	=over 4
461		794
462	=item $attachable->attach ($attachment, key => $value...)	795	=item $attachable->attach ($attachment, key => $value...)
463		796
…		…
507	=item cf::CLASS::attachment $name, ...	840	=item cf::CLASS::attachment $name, ...
508		841
509	Register an attachment by C<$name> through which attachable objects of the	842	Register an attachment by C<$name> through which attachable objects of the
510	given CLASS can refer to this attachment.	843	given CLASS can refer to this attachment.
511		844
512	Some classes such as crossfire maps and objects can specify attachments	845	Some classes such as deliantra maps and objects can specify attachments
513	that are attached at load/instantiate time, thus the need for a name.	846	that are attached at load/instantiate time, thus the need for a name.
514		847
515	These calls expect any number of the following handler/hook descriptions:	848	These calls expect any number of the following handler/hook descriptions:
516		849
517	=over 4	850	=over 4
…		…
715	";	1048	";
716	die if $@;	1049	die if $@;
717	}	1050	}
718		1051
719	our $override;	1052	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1053	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		1054
722	sub override {	1055	sub override {
723	$override = 1;	1056	$override = 1;
724	@invoke_results = ();	1057	@INVOKE_RESULTS = (@_);
725	}	1058	}
726		1059
727	sub do_invoke {	1060	sub do_invoke {
728	my $event = shift;	1061	my $event = shift;
729	my $callbacks = shift;	1062	my $callbacks = shift;
730		1063
731	@invoke_results = ();	1064	@INVOKE_RESULTS = ();
732		1065
733	local $override;	1066	local $override;
734		1067
735	for (@$callbacks) {	1068	for (@$callbacks) {
736	eval { &{$_->[1]} };	1069	eval { &{$_->[1]} };
…		…
745	}	1078	}
746		1079
747	0	1080	0
748	}	1081	}
749		1082
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1083	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1084
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1085	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1086
754	Generate an object-specific event with the given arguments.	1087	Generate an object-specific event with the given arguments.
755		1088
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1089	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757	removed in future versions), and there is no public API to access override	1090	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	1091	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1092
760	=back	1093	=back
761		1094
762	=cut	1095	=cut
763		1096
764	#############################################################################	1097	#############################################################################
765	# object support	1098	# object support
		1099
		1100	sub _object_equal($$);
		1101	sub _object_equal($$) {
		1102	my ($a, $b) = @_;
		1103
		1104	return 0 unless (ref $a) eq (ref $b);
		1105
		1106	if ("HASH" eq ref $a) {
		1107	my @ka = keys %$a;
		1108	my @kb = keys %$b;
		1109
		1110	return 0 if @ka != @kb;
		1111
		1112	for (0 .. $#ka) {
		1113	return 0 unless $ka[$_] eq $kb[$_];
		1114	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1115	}
		1116
		1117	} elsif ("ARRAY" eq ref $a) {
		1118
		1119	return 0 if @$a != @$b;
		1120
		1121	for (0 .. $#$a) {
		1122	return 0 unless _object_equal $a->[$_], $b->[$_];
		1123	}
		1124
		1125	} elsif ($a ne $b) {
		1126	return 0;
		1127	}
		1128
		1129	1
		1130	}
		1131
		1132	our $SLOW_MERGES;#d#
		1133	sub _can_merge {
		1134	my ($ob1, $ob2) = @_;
		1135
		1136	++$SLOW_MERGES;#d#
		1137
		1138	# we do the slow way here
		1139	return _object_equal $ob1, $ob2
		1140	}
766		1141
767	sub reattach {	1142	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1143	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1144	my ($obj) = @_;
770		1145
		1146	# no longer needed after getting rid of delete_package?
771	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1147	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772		1148
773	my $registry = $obj->registry;	1149	my $registry = $obj->registry;
774		1150
775	@$registry = ();	1151	@$registry = ();
776		1152
…		…
791	cf::attachable->attach (	1167	cf::attachable->attach (
792	prio => -1000000,	1168	prio => -1000000,
793	on_instantiate => sub {	1169	on_instantiate => sub {
794	my ($obj, $data) = @_;	1170	my ($obj, $data) = @_;
795		1171
796	$data = from_json $data;	1172	$data = decode_json $data;
797		1173
798	for (@$data) {	1174	for (@$data) {
799	my ($name, $args) = @$_;	1175	my ($name, $args) = @$_;
800		1176
801	$obj->attach ($name, %{$args || {} });	1177	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1193	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1194	my ($filename, $rdata, $objs) = @_;
819		1195
820	sync_job {	1196	sync_job {
821	if (length $$rdata) {	1197	if (length $$rdata) {
		1198	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1199	warn sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1200	$decname, length $$rdata, scalar @$objs
		1201	if $VERBOSE_IO;
824		1202
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1203	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1204	aio_chmod $fh, SAVE_MODE;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1205	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1206	if ($cf::USE_FSYNC) {
		1207	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;
		1208	aio_fsync $fh;
		1209	}
829	close $fh;	1210	aio_close $fh;
830		1211
831	if (@$objs) {	1212	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1213	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1214	aio_chmod $fh, SAVE_MODE;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1215	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1216	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1217	if ($cf::USE_FSYNC) {
		1218	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;
		1219	aio_fsync $fh;
		1220	}
837	close $fh;	1221	aio_close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1222	aio_rename "$filename.pst~", "$filename.pst";
839	}	1223	}
840	} else {	1224	} else {
841	aio_unlink "$filename.pst";	1225	aio_unlink "$filename.pst";
842	}	1226	}
843		1227
844	aio_rename "$filename~", $filename;	1228	aio_rename "$filename~", $filename;
		1229
		1230	$filename =~ s%/[^/]+$%%;
		1231	aio_pathsync $filename if $cf::USE_FSYNC;
845	} else {	1232	} else {
846	warn "FATAL: $filename~: $!\n";	1233	warn "unable to save objects: $filename~: $!\n";
847	}	1234	}
848	} else {	1235	} else {
849	aio_unlink $filename;	1236	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1237	aio_unlink "$filename.pst";
851	}	1238	}
852	}	1239	};
853	}	1240	}
854		1241
855	sub object_freezer_as_string {	1242	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1243	my ($rdata, $objs) = @_;
857		1244
…		…
869	or return;	1256	or return;
870		1257
871	unless (aio_stat "$filename.pst") {	1258	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1259	(aio_load "$filename.pst", $av) >= 0
873	or return;	1260	or return;
		1261
874	$av = eval { (Storable::thaw $av)->{objs} };	1262	my $st = eval { Coro::Storable::thaw $av };
		1263	$av = $st->{objs};
875	}	1264	}
876		1265
		1266	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1267	warn sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1268	$decname, length $data, scalar @{$av || []}
		1269	if $VERBOSE_IO;
		1270
879	return ($data, $av);	1271	($data, $av)
880	}	1272	}
		1273
		1274	=head2 COMMAND CALLBACKS
		1275
		1276	=over 4
		1277
		1278	=cut
881		1279
882	#############################################################################	1280	#############################################################################
883	# command handling &c	1281	# command handling &c
884		1282
885	=item cf::register_command $name => \&callback($ob,$args);	1283	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1296	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1297	}
900		1298
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1299	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1300
903	Register a callbackf ro execution when the client sends an extcmd packet.	1301	Register a callback for execution when the client sends an (synchronous)
		1302	extcmd packet. Ext commands will be processed in the order they are
		1303	received by the server, like other user commands. The first argument is
		1304	the logged-in player. Ext commands can only be processed after a player
		1305	has logged in successfully.
904		1306
905	If the callback returns something, it is sent back as if reply was being	1307	If the callback returns something, it is sent back as if reply was being
906	called.	1308	called.
907		1309
		1310	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1311
		1312	Register a callback for execution when the client sends an (asynchronous)
		1313	exticmd packet. Exti commands are processed by the server as soon as they
		1314	are received, i.e. out of order w.r.t. other commands. The first argument
		1315	is a client socket. Exti commands can be received anytime, even before
		1316	log-in.
		1317
		1318	If the callback returns something, it is sent back as if reply was being
		1319	called.
		1320
908	=cut	1321	=cut
909		1322
910	sub register_extcmd {	1323	sub register_extcmd {
911	my ($name, $cb) = @_;	1324	my ($name, $cb) = @_;
912		1325
913	$EXTCMD{$name} = $cb;	1326	$EXTCMD{$name} = $cb;
914	}	1327	}
915		1328
		1329	sub register_exticmd {
		1330	my ($name, $cb) = @_;
		1331
		1332	$EXTICMD{$name} = $cb;
		1333	}
		1334
		1335	use File::Glob ();
		1336
916	cf::player->attach (	1337	cf::player->attach (
917	on_command => sub {	1338	on_unknown_command => sub {
918	my ($pl, $name, $params) = @_;	1339	my ($pl, $name, $params) = @_;
919		1340
920	my $cb = $COMMAND{$name}	1341	my $cb = $COMMAND{$name}
921	or return;	1342	or return;
922		1343
…		…
927	cf::override;	1348	cf::override;
928	},	1349	},
929	on_extcmd => sub {	1350	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1351	my ($pl, $buf) = @_;
931		1352
932	my $msg = eval { from_json $buf };	1353	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1354
934	if (ref $msg) {	1355	if (ref $msg) {
		1356	my ($type, $reply, @payload) =
		1357	"ARRAY" eq ref $msg
		1358	? @$msg
		1359	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1360
		1361	my @reply;
		1362
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1363	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1364	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1365	}
		1366
		1367	$pl->ext_reply ($reply, @reply)
		1368	if $reply;
		1369
940	} else {	1370	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1371	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1372	}
943		1373
944	cf::override;	1374	cf::override;
945	},	1375	},
946	);	1376	);
		1377
		1378	# "readahead" all extensions
		1379	sub cache_extensions {
		1380	my $grp = IO::AIO::aio_group;
		1381
		1382	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1383	for (grep /\.ext$/, @{$_[0]}) {
		1384	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1385	}
		1386	};
		1387
		1388	$grp
		1389	}
947		1390
948	sub load_extensions {	1391	sub load_extensions {
949	cf::sync_job {	1392	cf::sync_job {
950	my %todo;	1393	my %todo;
951		1394
…		…
971		1414
972	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1415	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
973	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1416	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
974		1417
975	$ext{source} =	1418	$ext{source} =
976	"package $pkg; use strict; use utf8;\n"	1419	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
977	. "#line 1 \"$path\"\n{\n"	1420	. "#line 1 \"$path\"\n{\n"
978	. $source	1421	. $source
979	. "\n};\n1";	1422	. "\n};\n1";
980		1423
981	$todo{$base} = \%ext;	1424	$todo{$base} = \%ext;
982	}	1425	}
983		1426
		1427	my $pass = 0;
984	my %done;	1428	my %done;
985	while (%todo) {	1429	while (%todo) {
986	my $progress;	1430	my $progress;
987		1431
		1432	++$pass;
		1433
		1434	ext:
988	while (my ($k, $v) = each %todo) {	1435	while (my ($k, $v) = each %todo) {
989	for (split /,\s*/, $v->{meta}{depends}) {	1436	for (split /,\s*/, $v->{meta}{depends}) {
990	goto skip	1437	next ext
991	unless exists $done{$_};	1438	unless exists $done{$_};
992	}	1439	}
993		1440
994	warn "... loading '$k' into '$v->{pkg}'\n";	1441	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
995		1442
996	unless (eval $v->{source}) {	1443	my $active = eval $v->{source};
		1444
		1445	if (length $@) {
997	my $msg = $@ ? "$v->{path}: $@\n"	1446	warn "$v->{path}: $@\n";
998	: "$v->{base}: extension inactive.\n";
999		1447
		1448	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1000	if (exists $v->{meta}{mandatory}) {	1449	if exists $v->{meta}{mandatory};
1001	warn $msg;	1450
1002	warn "mandatory extension failed to load, exiting.\n";	1451	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1003	exit 1;	1452	delete $todo{$k};
1004	}	1453	} else {
1005		1454	$done{$k} = delete $todo{$k};
1006	warn $msg;	1455	push @EXTS, $v->{pkg};
		1456	$progress = 1;
		1457
		1458	warn "$v->{base}: extension inactive.\n"
		1459	unless $active;
1007	}	1460	}
1008
1009	$done{$k} = delete $todo{$k};
1010	push @EXTS, $v->{pkg};
1011	$progress = 1;
1012	}	1461	}
1013		1462
1014	skip:	1463	unless ($progress) {
1015	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1464	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1016	unless $progress;	1465
		1466	while (my ($k, $v) = each %todo) {
		1467	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1468	if exists $v->{meta}{mandatory};
		1469	}
		1470	}
1017	}	1471	}
1018	};	1472	};
1019	}	1473	}
1020		1474
1021	#############################################################################	1475	#############################################################################
1022		1476
		1477	=back
		1478
1023	=head2 CORE EXTENSIONS	1479	=head2 CORE EXTENSIONS
1024		1480
1025	Functions and methods that extend core crossfire objects.	1481	Functions and methods that extend core deliantra objects.
1026		1482
1027	=cut	1483	=cut
1028		1484
1029	package cf::player;	1485	package cf::player;
1030		1486
1031	use Coro::AIO;	1487	use Coro::AIO;
1032		1488
1033	=head3 cf::player	1489	=head3 cf::player
1034		1490
1035	=over 4	1491	=over 4
		1492
		1493	=item cf::player::num_playing
		1494
		1495	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1496
		1497	=cut
		1498
		1499	sub num_playing {
		1500	scalar grep
		1501	$_->ob->map
		1502	&& !$_->hidden
		1503	&& !$_->ob->flag (cf::FLAG_WIZ),
		1504	cf::player::list
		1505	}
1036		1506
1037	=item cf::player::find $login	1507	=item cf::player::find $login
1038		1508
1039	Returns the given player object, loading it if necessary (might block).	1509	Returns the given player object, loading it if necessary (might block).
1040		1510
…		…
1059		1529
1060	sub exists($) {	1530	sub exists($) {
1061	my ($login) = @_;	1531	my ($login) = @_;
1062		1532
1063	$cf::PLAYER{$login}	1533	$cf::PLAYER{$login}
1064	or cf::sync_job { !aio_stat path $login }	1534	or !aio_stat path $login
1065	}	1535	}
1066		1536
1067	sub find($) {	1537	sub find($) {
1068	return $cf::PLAYER{$_[0]} || do {	1538	return $cf::PLAYER{$_[0]} || do {
1069	my $login = $_[0];	1539	my $login = $_[0];
…		…
1076	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1546	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1077	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1547	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1078	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1548	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1079	aio_unlink +(playerdir $login) . "/$login.pl";	1549	aio_unlink +(playerdir $login) . "/$login.pl";
1080		1550
1081	my $pl = load_pl path $login	1551	my $f = new_from_file cf::object::thawer path $login
1082	or return;	1552	or return;
		1553
		1554	my $pl = cf::player::load_pl $f
		1555	or return;
		1556
		1557	local $cf::PLAYER_LOADING{$login} = $pl;
		1558	$f->resolve_delayed_derefs;
1083	$cf::PLAYER{$login} = $pl	1559	$cf::PLAYER{$login} = $pl
1084	}	1560	}
1085	}	1561	}
1086	}	1562	}
		1563
		1564	cf::player->attach (
		1565	on_load => sub {
		1566	my ($pl, $path) = @_;
		1567
		1568	# restore slots saved in save, below
		1569	my $slots = delete $pl->{_slots};
		1570
		1571	$pl->ob->current_weapon ($slots->[0]);
		1572	$pl->combat_ob ($slots->[1]);
		1573	$pl->ranged_ob ($slots->[2]);
		1574	},
		1575	);
1087		1576
1088	sub save($) {	1577	sub save($) {
1089	my ($pl) = @_;	1578	my ($pl) = @_;
1090		1579
1091	return if $pl->{deny_save};	1580	return if $pl->{deny_save};
…		…
1096	return if $pl->{deny_save};	1585	return if $pl->{deny_save};
1097		1586
1098	aio_mkdir playerdir $pl, 0770;	1587	aio_mkdir playerdir $pl, 0770;
1099	$pl->{last_save} = $cf::RUNTIME;	1588	$pl->{last_save} = $cf::RUNTIME;
1100		1589
		1590	cf::get_slot 0.01;
		1591
		1592	# save slots, to be restored later
		1593	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1594
1101	$pl->save_pl ($path);	1595	$pl->save_pl ($path);
1102	Coro::cede;	1596	cf::cede_to_tick;
1103	}	1597	}
1104		1598
1105	sub new($) {	1599	sub new($) {
1106	my ($login) = @_;	1600	my ($login) = @_;
1107		1601
…		…
1113	$cf::PLAYER{$login} = $self;	1607	$cf::PLAYER{$login} = $self;
1114		1608
1115	$self	1609	$self
1116	}	1610	}
1117		1611
		1612	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1613
		1614	=cut
		1615
		1616	sub send_msg {
		1617	my $ns = shift->ns
		1618	or return;
		1619	$ns->send_msg (@_);
		1620	}
		1621
1118	=item $pl->quit_character	1622	=item $pl->quit_character
1119		1623
1120	Nukes the player without looking back. If logged in, the connection will	1624	Nukes the player without looking back. If logged in, the connection will
1121	be destroyed. May block for a long time.	1625	be destroyed. May block for a long time.
1122		1626
…		…
1126	my ($pl) = @_;	1630	my ($pl) = @_;
1127		1631
1128	my $name = $pl->ob->name;	1632	my $name = $pl->ob->name;
1129		1633
1130	$pl->{deny_save} = 1;	1634	$pl->{deny_save} = 1;
1131	$pl->password ("*"); # this should lock out the player until we nuked the dir	1635	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1132		1636
1133	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1637	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1134	$pl->deactivate;	1638	$pl->deactivate;
		1639	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1135	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1640	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1136	$pl->ns->destroy if $pl->ns;	1641	$pl->ns->destroy if $pl->ns;
1137		1642
1138	my $path = playerdir $pl;	1643	my $path = playerdir $pl;
1139	my $temp = "$path~$cf::RUNTIME~deleting~";	1644	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1175	or return [];	1680	or return [];
1176		1681
1177	my @logins;	1682	my @logins;
1178		1683
1179	for my $login (@$dirs) {	1684	for my $login (@$dirs) {
		1685	my $path = path $login;
		1686
		1687	# a .pst is a dead give-away for a valid player
		1688	# if no pst file found, open and chekc for blocked users
		1689	if (aio_stat "$path.pst") {
1180	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1690	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1181	aio_read $fh, 0, 512, my $buf, 0 or next;	1691	aio_read $fh, 0, 512, my $buf, 0 or next;
1182	$buf !~ /^password -------------$/m or next; # official not-valid tag	1692	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1693	}
1183		1694
1184	utf8::decode $login;	1695	utf8::decode $login;
1185	push @logins, $login;	1696	push @logins, $login;
1186	}	1697	}
1187		1698
1188	\@logins	1699	\@logins
1189	}	1700	}
1190		1701
1191	=item $player->maps	1702	=item $player->maps
		1703
		1704	=item cf::player::maps $login
1192		1705
1193	Returns an arrayref of map paths that are private for this	1706	Returns an arrayref of map paths that are private for this
1194	player. May block.	1707	player. May block.
1195		1708
1196	=cut	1709	=cut
…		…
1214	}	1727	}
1215		1728
1216	\@paths	1729	\@paths
1217	}	1730	}
1218		1731
		1732	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1733
		1734	Expand deliantra pod fragments into protocol xml.
		1735
1219	=item $player->ext_reply ($msgid, %msg)	1736	=item $player->ext_reply ($msgid, @msg)
1220		1737
1221	Sends an ext reply to the player.	1738	Sends an ext reply to the player.
1222		1739
1223	=cut	1740	=cut
1224		1741
1225	sub ext_reply($$%) {	1742	sub ext_reply($$@) {
1226	my ($self, $id, %msg) = @_;	1743	my ($self, $id, @msg) = @_;
1227		1744
1228	$msg{msgid} = $id;	1745	$self->ns->ext_reply ($id, @msg)
1229
1230	$self->send ("ext " . cf::to_json \%msg);
1231	}	1746	}
1232		1747
1233	=item $player->ext_event ($type, %msg)	1748	=item $player->ext_msg ($type, @msg)
1234		1749
1235	Sends an ext event to the client.	1750	Sends an ext event to the client.
1236		1751
1237	=cut	1752	=cut
1238		1753
1239	sub ext_event($$%) {	1754	sub ext_msg($$@) {
1240	my ($self, $type, %msg) = @_;	1755	my ($self, $type, @msg) = @_;
1241		1756
1242	$self->ns->ext_event ($type, %msg);	1757	$self->ns->ext_msg ($type, @msg);
1243	}	1758	}
1244		1759
1245	=head3 cf::region	1760	=head3 cf::region
1246		1761
1247	=over 4	1762	=over 4
…		…
1250		1765
1251	package cf::region;	1766	package cf::region;
1252		1767
1253	=item cf::region::find_by_path $path	1768	=item cf::region::find_by_path $path
1254		1769
1255	Tries to decuce the probable region for a map knowing only its path.	1770	Tries to decuce the likely region for a map knowing only its path.
1256		1771
1257	=cut	1772	=cut
1258		1773
1259	sub find_by_path($) {	1774	sub find_by_path($) {
1260	my ($path) = @_;	1775	my ($path) = @_;
1261		1776
		1777	$path =~ s/^~[^\/]*//; # skip ~login
		1778
1262	my ($match, $specificity);	1779	my ($match, $specificity);
1263		1780
1264	for my $region (list) {	1781	for my $region (list) {
1265	if ($region->match && $path =~ $region->match) {	1782	if ($region->{match} && $path =~ $region->{match}) {
1266	($match, $specificity) = ($region, $region->specificity)	1783	($match, $specificity) = ($region, $region->specificity)
1267	if $region->specificity > $specificity;	1784	if $region->specificity > $specificity;
1268	}	1785	}
1269	}	1786	}
1270		1787
…		…
1291	our $MAX_RESET = 3600;	1808	our $MAX_RESET = 3600;
1292	our $DEFAULT_RESET = 3000;	1809	our $DEFAULT_RESET = 3000;
1293		1810
1294	sub generate_random_map {	1811	sub generate_random_map {
1295	my ($self, $rmp) = @_;	1812	my ($self, $rmp) = @_;
		1813
		1814	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1815
1296	# mit "rum" bekleckern, nicht	1816	# mit "rum" bekleckern, nicht
1297	$self->_create_random_map (	1817	$self->_create_random_map (
1298	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1818	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1299	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1819	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1300	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1820	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1301	$rmp->{exit_on_final_map},	1821	$rmp->{exit_on_final_map},
1302	$rmp->{xsize}, $rmp->{ysize},	1822	$rmp->{xsize}, $rmp->{ysize},
1303	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1823	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1304	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1824	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1326		1846
1327	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1847	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1328	}	1848	}
1329		1849
1330	# also paths starting with '/'	1850	# also paths starting with '/'
1331	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1851	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1332		1852
1333	sub thawer_merge {	1853	sub thawer_merge {
1334	my ($self, $merge) = @_;	1854	my ($self, $merge) = @_;
1335		1855
1336	# we have to keep some variables in memory intact	1856	# we have to keep some variables in memory intact
…		…
1390	$self->init; # pass $1 etc.	1910	$self->init; # pass $1 etc.
1391	return $self;	1911	return $self;
1392	}	1912	}
1393	}	1913	}
1394		1914
1395	Carp::carp "unable to resolve path '$path' (base '$base').";	1915	Carp::cluck "unable to resolve path '$path' (base '$base').";
1396	()	1916	()
1397	}	1917	}
1398		1918
1399	sub init {	1919	sub init {
1400	my ($self) = @_;	1920	my ($self) = @_;
…		…
1422		1942
1423	# the temporary/swap location	1943	# the temporary/swap location
1424	sub save_path {	1944	sub save_path {
1425	my ($self) = @_;	1945	my ($self) = @_;
1426		1946
1427	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1947	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1428	"$TMPDIR/$path.map"	1948	"$TMPDIR/$path.map"
1429	}	1949	}
1430		1950
1431	# the unique path, undef == no special unique path	1951	# the unique path, undef == no special unique path
1432	sub uniq_path {	1952	sub uniq_path {
1433	my ($self) = @_;	1953	my ($self) = @_;
1434		1954
1435	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1955	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1436	"$UNIQUEDIR/$path"	1956	"$UNIQUEDIR/$path"
1437	}
1438
1439	# and all this just because we cannot iterate over
1440	# all maps in C++...
1441	sub change_all_map_light {
1442	my ($change) = @_;
1443
1444	$_->change_map_light ($change)
1445	for grep $_->outdoor, values %cf::MAP;
1446	}	1957	}
1447		1958
1448	sub decay_objects {	1959	sub decay_objects {
1449	my ($self) = @_;	1960	my ($self) = @_;
1450		1961
…		…
1463		1974
1464	sub load_header_from($) {	1975	sub load_header_from($) {
1465	my ($self, $path) = @_;	1976	my ($self, $path) = @_;
1466		1977
1467	utf8::encode $path;	1978	utf8::encode $path;
1468	#aio_open $path, O_RDONLY, 0	1979	my $f = new_from_file cf::object::thawer $path
1469	# or return;
1470
1471	$self->_load_header ($path)
1472	or return;	1980	or return;
		1981
		1982	$self->_load_header ($f)
		1983	or return;
		1984
		1985	local $MAP_LOADING{$self->{path}} = $self;
		1986	$f->resolve_delayed_derefs;
1473		1987
1474	$self->{load_path} = $path;	1988	$self->{load_path} = $path;
1475		1989
1476	1	1990	1
1477	}	1991	}
…		…
1531	sub find {	2045	sub find {
1532	my ($path, $origin) = @_;	2046	my ($path, $origin) = @_;
1533		2047
1534	$path = normalise $path, $origin && $origin->path;	2048	$path = normalise $path, $origin && $origin->path;
1535		2049
		2050	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1536	cf::lock_wait "map_find:$path";	2051	my $guard2 = cf::lock_acquire "map_find:$path";
1537		2052
1538	$cf::MAP{$path} || do {	2053	$cf::MAP{$path} || do {
1539	my $guard = cf::lock_acquire "map_find:$path";
1540	my $map = new_from_path cf::map $path	2054	my $map = new_from_path cf::map $path
1541	or return;	2055	or return;
1542		2056
1543	$map->{last_save} = $cf::RUNTIME;	2057	$map->{last_save} = $cf::RUNTIME;
1544		2058
…		…
1546	or return;	2060	or return;
1547		2061
1548	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2062	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1549	# doing this can freeze the server in a sync job, obviously	2063	# doing this can freeze the server in a sync job, obviously
1550	#$cf::WAIT_FOR_TICK->wait;	2064	#$cf::WAIT_FOR_TICK->wait;
		2065	undef $guard2;
		2066	undef $guard1;
1551	$map->reset;	2067	$map->reset;
1552	undef $guard;
1553	return find $path;	2068	return find $path;
1554	}	2069	}
1555		2070
1556	$cf::MAP{$path} = $map	2071	$cf::MAP{$path} = $map
1557	}	2072	}
1558	}	2073	}
1559		2074
1560	sub pre_load { }	2075	sub pre_load { }
1561	sub post_load { }	2076	#sub post_load { } # XS
1562		2077
1563	sub load {	2078	sub load {
1564	my ($self) = @_;	2079	my ($self) = @_;
1565		2080
1566	local $self->{deny_reset} = 1; # loading can take a long time	2081	local $self->{deny_reset} = 1; # loading can take a long time
1567		2082
1568	my $path = $self->{path};	2083	my $path = $self->{path};
1569		2084
1570	{	2085	{
1571	my $guard = cf::lock_acquire "map_load:$path";	2086	my $guard = cf::lock_acquire "map_data:$path";
1572		2087
		2088	return unless $self->valid;
1573	return if $self->in_memory != cf::MAP_SWAPPED;	2089	return unless $self->in_memory == cf::MAP_SWAPPED;
1574		2090
1575	$self->in_memory (cf::MAP_LOADING);	2091	$self->in_memory (cf::MAP_LOADING);
1576		2092
1577	$self->alloc;	2093	$self->alloc;
1578		2094
1579	$self->pre_load;	2095	$self->pre_load;
1580	Coro::cede;	2096	cf::cede_to_tick;
1581		2097
		2098	my $f = new_from_file cf::object::thawer $self->{load_path};
		2099	$f->skip_block;
1582	$self->_load_objects ($self->{load_path}, 1)	2100	$self->_load_objects ($f)
1583	or return;	2101	or return;
1584		2102
1585	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2103	$self->post_load_original
1586	if delete $self->{load_original};	2104	if delete $self->{load_original};
1587		2105
1588	if (my $uniq = $self->uniq_path) {	2106	if (my $uniq = $self->uniq_path) {
1589	utf8::encode $uniq;	2107	utf8::encode $uniq;
1590	if (aio_open $uniq, O_RDONLY, 0) {	2108	unless (aio_stat $uniq) {
		2109	if (my $f = new_from_file cf::object::thawer $uniq) {
1591	$self->clear_unique_items;	2110	$self->clear_unique_items;
1592	$self->_load_objects ($uniq, 0);	2111	$self->_load_objects ($f);
		2112	$f->resolve_delayed_derefs;
		2113	}
1593	}	2114	}
1594	}	2115	}
1595		2116
1596	Coro::cede;	2117	$f->resolve_delayed_derefs;
		2118
		2119	cf::cede_to_tick;
1597	# now do the right thing for maps	2120	# now do the right thing for maps
1598	$self->link_multipart_objects;	2121	$self->link_multipart_objects;
1599	$self->difficulty ($self->estimate_difficulty)	2122	$self->difficulty ($self->estimate_difficulty)
1600	unless $self->difficulty;	2123	unless $self->difficulty;
1601	Coro::cede;	2124	cf::cede_to_tick;
1602		2125
1603	unless ($self->{deny_activate}) {	2126	unless ($self->{deny_activate}) {
1604	$self->decay_objects;	2127	$self->decay_objects;
1605	$self->fix_auto_apply;	2128	$self->fix_auto_apply;
1606	$self->update_buttons;	2129	$self->update_buttons;
1607	Coro::cede;	2130	cf::cede_to_tick;
1608	$self->set_darkness_map;
1609	Coro::cede;
1610	$self->activate;	2131	$self->activate;
1611	}	2132	}
1612		2133
		2134	$self->{last_save} = $cf::RUNTIME;
		2135	$self->last_access ($cf::RUNTIME);
		2136
1613	$self->in_memory (cf::MAP_IN_MEMORY);	2137	$self->in_memory (cf::MAP_ACTIVE);
1614	}	2138	}
1615		2139
1616	$self->post_load;	2140	$self->post_load;
1617	}	2141	}
1618		2142
		2143	# customize the map for a given player, i.e.
		2144	# return the _real_ map. used by e.g. per-player
		2145	# maps to change the path to ~playername/mappath
1619	sub customise_for {	2146	sub customise_for {
1620	my ($self, $ob) = @_;	2147	my ($self, $ob) = @_;
1621		2148
1622	return find "~" . $ob->name . "/" . $self->{path}	2149	return find "~" . $ob->name . "/" . $self->{path}
1623	if $self->per_player;	2150	if $self->per_player;
…		…
1627		2154
1628	$self	2155	$self
1629	}	2156	}
1630		2157
1631	# find and load all maps in the 3x3 area around a map	2158	# find and load all maps in the 3x3 area around a map
1632	sub load_diag {	2159	sub load_neighbours {
1633	my ($map) = @_;	2160	my ($map) = @_;
1634		2161
1635	my @diag; # diagonal neighbours	2162	my @neigh; # diagonal neighbours
1636		2163
1637	for (0 .. 3) {	2164	for (0 .. 3) {
1638	my $neigh = $map->tile_path ($_)	2165	my $neigh = $map->tile_path ($_)
1639	or next;	2166	or next;
1640	$neigh = find $neigh, $map	2167	$neigh = find $neigh, $map
1641	or next;	2168	or next;
1642	$neigh->load;	2169	$neigh->load;
1643		2170
		2171	# now find the diagonal neighbours
		2172	push @neigh,
1644	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2173	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1645	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2174	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1646	}	2175	}
1647		2176
1648	for (@diag) {	2177	for (grep defined $_->[0], @neigh) {
		2178	my ($path, $origin) = @$_;
1649	my $neigh = find @$_	2179	my $neigh = find $path, $origin
1650	or next;	2180	or next;
1651	$neigh->load;	2181	$neigh->load;
1652	}	2182	}
1653	}	2183	}
1654		2184
…		…
1659	}	2189	}
1660		2190
1661	sub do_load_sync {	2191	sub do_load_sync {
1662	my ($map) = @_;	2192	my ($map) = @_;
1663		2193
		2194	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2195	if $Coro::current == $Coro::main;
		2196
1664	cf::sync_job { $map->load };	2197	cf::sync_job { $map->load };
1665	}	2198	}
1666		2199
1667	our %MAP_PREFETCH;	2200	our %MAP_PREFETCH;
1668	our $MAP_PREFETCHER = undef;	2201	our $MAP_PREFETCHER = undef;
1669		2202
1670	sub find_async {	2203	sub find_async {
1671	my ($path, $origin) = @_;	2204	my ($path, $origin, $load) = @_;
1672		2205
1673	$path = normalise $path, $origin && $origin->{path};	2206	$path = normalise $path, $origin && $origin->{path};
1674		2207
1675	if (my $map = $cf::MAP{$path}) {	2208	if (my $map = $cf::MAP{$path}) {
1676	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2209	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1677	}	2210	}
1678		2211
1679	undef $MAP_PREFETCH{$path};	2212	$MAP_PREFETCH{$path} |= $load;
		2213
1680	$MAP_PREFETCHER ||= cf::async {	2214	$MAP_PREFETCHER ||= cf::async {
		2215	$Coro::current->{desc} = "map prefetcher";
		2216
1681	while (%MAP_PREFETCH) {	2217	while (%MAP_PREFETCH) {
1682	for my $path (keys %MAP_PREFETCH) {	2218	while (my ($k, $v) = each %MAP_PREFETCH) {
1683	my $map = find $path	2219	if (my $map = find $k) {
1684	or next;
1685	$map->load;	2220	$map->load if $v;
		2221	}
1686		2222
1687	delete $MAP_PREFETCH{$path};	2223	delete $MAP_PREFETCH{$k};
1688	}	2224	}
1689	}	2225	}
1690	undef $MAP_PREFETCHER;	2226	undef $MAP_PREFETCHER;
1691	};	2227	};
1692	$MAP_PREFETCHER->prio (6);	2228	$MAP_PREFETCHER->prio (6);
1693		2229
1694	()	2230	()
1695	}	2231	}
1696		2232
		2233	# common code, used by both ->save and ->swapout
1697	sub save {	2234	sub _save {
1698	my ($self) = @_;	2235	my ($self) = @_;
1699
1700	my $lock = cf::lock_acquire "map_data:" . $self->path;
1701		2236
1702	$self->{last_save} = $cf::RUNTIME;	2237	$self->{last_save} = $cf::RUNTIME;
1703		2238
1704	return unless $self->dirty;	2239	return unless $self->dirty;
1705		2240
…		…
1711	return if $self->{deny_save};	2246	return if $self->{deny_save};
1712		2247
1713	local $self->{last_access} = $self->last_access;#d#	2248	local $self->{last_access} = $self->last_access;#d#
1714		2249
1715	cf::async {	2250	cf::async {
		2251	$Coro::current->{desc} = "map player save";
1716	$_->contr->save for $self->players;	2252	$_->contr->save for $self->players;
1717	};	2253	};
		2254
		2255	cf::get_slot 0.02;
1718		2256
1719	if ($uniq) {	2257	if ($uniq) {
1720	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2258	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1721	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2259	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1722	} else {	2260	} else {
1723	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2261	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1724	}	2262	}
1725	}	2263	}
1726		2264
		2265	sub save {
		2266	my ($self) = @_;
		2267
		2268	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2269
		2270	$self->_save;
		2271	}
		2272
1727	sub swap_out {	2273	sub swap_out {
1728	my ($self) = @_;	2274	my ($self) = @_;
1729		2275
1730	# save first because save cedes
1731	$self->save;
1732
1733	my $lock = cf::lock_acquire "map_data:" . $self->path;	2276	my $lock = cf::lock_acquire "map_data:$self->{path}";
1734		2277
		2278	return if $self->in_memory != cf::MAP_ACTIVE;
		2279	return if $self->{deny_save};
1735	return if $self->players;	2280	return if $self->players;
1736	return if $self->in_memory != cf::MAP_IN_MEMORY;
1737	return if $self->{deny_save};
1738		2281
		2282	# first deactivate the map and "unlink" it from the core
		2283	$self->deactivate;
		2284	$_->clear_links_to ($self) for values %cf::MAP;
		2285	$self->in_memory (cf::MAP_SWAPPED);
		2286
		2287	# then atomically save
		2288	$self->_save;
		2289
		2290	# then free the map
1739	$self->clear;	2291	$self->clear;
1740	$self->in_memory (cf::MAP_SWAPPED);
1741	}	2292	}
1742		2293
1743	sub reset_at {	2294	sub reset_at {
1744	my ($self) = @_;	2295	my ($self) = @_;
1745		2296
…		…
1763		2314
1764	my $lock = cf::lock_acquire "map_data:$self->{path}";	2315	my $lock = cf::lock_acquire "map_data:$self->{path}";
1765		2316
1766	return if $self->players;	2317	return if $self->players;
1767		2318
1768	warn "resetting map ", $self->path;	2319	warn "resetting map ", $self->path, "\n";
1769		2320
1770	$self->in_memory (cf::MAP_SWAPPED);	2321	$self->in_memory (cf::MAP_SWAPPED);
1771		2322
1772	# need to save uniques path	2323	# need to save uniques path
1773	unless ($self->{deny_save}) {	2324	unless ($self->{deny_save}) {
…		…
1777	if $uniq;	2328	if $uniq;
1778	}	2329	}
1779		2330
1780	delete $cf::MAP{$self->path};	2331	delete $cf::MAP{$self->path};
1781		2332
		2333	$self->deactivate;
		2334	$_->clear_links_to ($self) for values %cf::MAP;
1782	$self->clear;	2335	$self->clear;
1783
1784	$_->clear_links_to ($self) for values %cf::MAP;
1785		2336
1786	$self->unlink_save;	2337	$self->unlink_save;
1787	$self->destroy;	2338	$self->destroy;
1788	}	2339	}
1789		2340
1790	my $nuke_counter = "aaaa";	2341	my $nuke_counter = "aaaa";
1791		2342
1792	sub nuke {	2343	sub nuke {
1793	my ($self) = @_;	2344	my ($self) = @_;
1794		2345
		2346	{
		2347	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2348
1795	delete $cf::MAP{$self->path};	2349	delete $cf::MAP{$self->path};
1796		2350
1797	$self->unlink_save;	2351	$self->unlink_save;
1798		2352
1799	bless $self, "cf::map";	2353	bless $self, "cf::map::wrap";
1800	delete $self->{deny_reset};	2354	delete $self->{deny_reset};
1801	$self->{deny_save} = 1;	2355	$self->{deny_save} = 1;
1802	$self->reset_timeout (1);	2356	$self->reset_timeout (1);
1803	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2357	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1804		2358
1805	$cf::MAP{$self->path} = $self;	2359	$cf::MAP{$self->path} = $self;
		2360	}
1806		2361
1807	$self->reset; # polite request, might not happen	2362	$self->reset; # polite request, might not happen
1808	}	2363	}
1809		2364
1810	=item $maps = cf::map::tmp_maps	2365	=item $maps = cf::map::tmp_maps
…		…
1852		2407
1853	sub unique_maps() {	2408	sub unique_maps() {
1854	[	2409	[
1855	map {	2410	map {
1856	utf8::decode $_;	2411	utf8::decode $_;
1857	/\.map$/	2412	s/\.map$//; # TODO future compatibility hack
		2413	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2414	? ()
1858	? normalise $_	2415	: normalise $_
1859	: ()
1860	} @{ aio_readdir $UNIQUEDIR or [] }	2416	} @{ aio_readdir $UNIQUEDIR or [] }
1861	]	2417	]
1862	}	2418	}
1863		2419
1864	package cf;	2420	=item cf::map::static_maps
		2421
		2422	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2423	file in the shared directory excluding F</styles> and F</editor>). May
		2424	block.
		2425
		2426	=cut
		2427
		2428	sub static_maps() {
		2429	my @dirs = "";
		2430	my @maps;
		2431
		2432	while (@dirs) {
		2433	my $dir = shift @dirs;
		2434
		2435	next if $dir eq "/styles" || $dir eq "/editor";
		2436
		2437	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2438	or return;
		2439
		2440	for (@$files) {
		2441	s/\.map$// or next;
		2442	utf8::decode $_;
		2443	push @maps, "$dir/$_";
		2444	}
		2445
		2446	push @dirs, map "$dir/$_", @$dirs;
		2447	}
		2448
		2449	\@maps
		2450	}
1865		2451
1866	=back	2452	=back
1867		2453
1868	=head3 cf::object	2454	=head3 cf::object
1869		2455
…		…
1873		2459
1874	=over 4	2460	=over 4
1875		2461
1876	=item $ob->inv_recursive	2462	=item $ob->inv_recursive
1877		2463
1878	Returns the inventory of the object _and_ their inventories, recursively.	2464	Returns the inventory of the object I<and> their inventories, recursively,
		2465	but I<not> the object itself.
1879		2466
1880	=cut	2467	=cut
1881		2468
1882	sub inv_recursive_;	2469	sub inv_recursive_;
1883	sub inv_recursive_ {	2470	sub inv_recursive_ {
…		…
1886		2473
1887	sub inv_recursive {	2474	sub inv_recursive {
1888	inv_recursive_ inv $_[0]	2475	inv_recursive_ inv $_[0]
1889	}	2476	}
1890		2477
		2478	=item $ref = $ob->ref
		2479
		2480	Creates and returns a persistent reference to an object that can be stored as a string.
		2481
		2482	=item $ob = cf::object::deref ($refstring)
		2483
		2484	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2485	even if the object actually exists. May block.
		2486
		2487	=cut
		2488
		2489	sub deref {
		2490	my ($ref) = @_;
		2491
		2492	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2493	my ($uuid, $name) = ($1, $2);
		2494	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2495	or return;
		2496	$pl->ob->uuid eq $uuid
		2497	or return;
		2498
		2499	$pl->ob
		2500	} else {
		2501	warn "$ref: cannot resolve object reference\n";
		2502	undef
		2503	}
		2504	}
		2505
1891	package cf;	2506	package cf;
1892		2507
1893	=back	2508	=back
1894		2509
1895	=head3 cf::object::player	2510	=head3 cf::object::player
…		…
1901	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2516	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1902	can be C<undef>. Does the right thing when the player is currently in a	2517	can be C<undef>. Does the right thing when the player is currently in a
1903	dialogue with the given NPC character.	2518	dialogue with the given NPC character.
1904		2519
1905	=cut	2520	=cut
		2521
		2522	our $SAY_CHANNEL = {
		2523	id => "say",
		2524	title => "Map",
		2525	reply => "say ",
		2526	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2527	};
		2528
		2529	our $CHAT_CHANNEL = {
		2530	id => "chat",
		2531	title => "Chat",
		2532	reply => "chat ",
		2533	tooltip => "Player chat and shouts, global to the server.",
		2534	};
1906		2535
1907	# rough implementation of a future "reply" method that works	2536	# rough implementation of a future "reply" method that works
1908	# with dialog boxes.	2537	# with dialog boxes.
1909	#TODO: the first argument must go, split into a $npc->reply_to ( method	2538	#TODO: the first argument must go, split into a $npc->reply_to ( method
1910	sub cf::object::player::reply($$$;$) {	2539	sub cf::object::player::reply($$$;$) {
…		…
1912		2541
1913	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2542	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1914		2543
1915	if ($self->{record_replies}) {	2544	if ($self->{record_replies}) {
1916	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2545	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2546
1917	} else {	2547	} else {
		2548	my $pl = $self->contr;
		2549
		2550	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2551	my $dialog = $pl->{npc_dialog};
		2552	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2553
		2554	} else {
1918	$msg = $npc->name . " says: $msg" if $npc;	2555	$msg = $npc->name . " says: $msg" if $npc;
1919	$self->message ($msg, $flags);	2556	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2557	}
1920	}	2558	}
		2559	}
		2560
		2561	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2562
		2563	=cut
		2564
		2565	sub cf::object::send_msg {
		2566	my $pl = shift->contr
		2567	or return;
		2568	$pl->send_msg (@_);
1921	}	2569	}
1922		2570
1923	=item $player_object->may ("access")	2571	=item $player_object->may ("access")
1924		2572
1925	Returns wether the given player is authorized to access resource "access"	2573	Returns wether the given player is authorized to access resource "access"
…		…
1938		2586
1939	=item $player_object->enter_link	2587	=item $player_object->enter_link
1940		2588
1941	Freezes the player and moves him/her to a special map (C<{link}>).	2589	Freezes the player and moves him/her to a special map (C<{link}>).
1942		2590
1943	The player should be reasonably safe there for short amounts of time. You	2591	The player should be reasonably safe there for short amounts of time (e.g.
1944	I<MUST> call C<leave_link> as soon as possible, though.	2592	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2593	though, as the player cannot control the character while it is on the link
		2594	map.
1945		2595
1946	Will never block.	2596	Will never block.
1947		2597
1948	=item $player_object->leave_link ($map, $x, $y)	2598	=item $player_object->leave_link ($map, $x, $y)
1949		2599
…		…
1969	sub cf::object::player::enter_link {	2619	sub cf::object::player::enter_link {
1970	my ($self) = @_;	2620	my ($self) = @_;
1971		2621
1972	$self->deactivate_recursive;	2622	$self->deactivate_recursive;
1973		2623
		2624	++$self->{_link_recursion};
		2625
1974	return if UNIVERSAL::isa $self->map, "ext::map_link";	2626	return if UNIVERSAL::isa $self->map, "ext::map_link";
1975		2627
1976	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2628	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1977	if $self->map && $self->map->{path} ne "{link}";	2629	if $self->map && $self->map->{path} ne "{link}";
1978		2630
1979	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2631	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1980	}	2632	}
1981		2633
1982	sub cf::object::player::leave_link {	2634	sub cf::object::player::leave_link {
1983	my ($self, $map, $x, $y) = @_;	2635	my ($self, $map, $x, $y) = @_;
1984		2636
…		…
2001	($x, $y) = (-1, -1)	2653	($x, $y) = (-1, -1)
2002	unless (defined $x) && (defined $y);	2654	unless (defined $x) && (defined $y);
2003		2655
2004	# use -1 or undef as default coordinates, not 0, 0	2656	# use -1 or undef as default coordinates, not 0, 0
2005	($x, $y) = ($map->enter_x, $map->enter_y)	2657	($x, $y) = ($map->enter_x, $map->enter_y)
2006	if $x <=0 && $y <= 0;	2658	if $x <= 0 && $y <= 0;
2007		2659
2008	$map->load;	2660	$map->load;
2009	$map->load_diag;	2661	$map->load_neighbours;
2010		2662
2011	return unless $self->contr->active;	2663	return unless $self->contr->active;
2012	$self->activate_recursive;
2013		2664
2014	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2665	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2015	$self->enter_map ($map, $x, $y);	2666	if ($self->enter_map ($map, $x, $y)) {
2016	}	2667	# entering was successful
		2668	delete $self->{_link_recursion};
		2669	# only activate afterwards, to support waiting in hooks
		2670	$self->activate_recursive;
		2671	}
2017		2672
		2673	}
		2674
2018	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2675	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2019		2676
2020	Moves the player to the given map-path and coordinates by first freezing	2677	Moves the player to the given map-path and coordinates by first freezing
2021	her, loading and preparing them map, calling the provided $check callback	2678	her, loading and preparing them map, calling the provided $check callback
2022	that has to return the map if sucecssful, and then unfreezes the player on	2679	that has to return the map if sucecssful, and then unfreezes the player on
2023	the new (success) or old (failed) map position.	2680	the new (success) or old (failed) map position. In either case, $done will
		2681	be called at the end of this process.
		2682
		2683	Note that $check will be called with a potentially non-loaded map, so if
		2684	it needs a loaded map it has to call C<< ->load >>.
2024		2685
2025	=cut	2686	=cut
2026		2687
2027	our $GOTOGEN;	2688	our $GOTOGEN;
2028		2689
2029	sub cf::object::player::goto {	2690	sub cf::object::player::goto {
2030	my ($self, $path, $x, $y, $check) = @_;	2691	my ($self, $path, $x, $y, $check, $done) = @_;
		2692
		2693	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2694	warn "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2695	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2696	($path, $x, $y) = @$EMERGENCY_POSITION;
		2697	}
2031		2698
2032	# do generation counting so two concurrent goto's will be executed in-order	2699	# do generation counting so two concurrent goto's will be executed in-order
2033	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2700	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2034		2701
2035	$self->enter_link;	2702	$self->enter_link;
2036		2703
2037	(async {	2704	(async {
		2705	$Coro::current->{desc} = "player::goto $path $x $y";
		2706
		2707	# *tag paths override both path and x|y
		2708	if ($path =~ /^\*(.*)$/) {
		2709	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2710	my $ob = $obs[rand @obs];
		2711
		2712	# see if we actually can go there
		2713	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2714	$ob = $obs[rand @obs];
		2715	} else {
		2716	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2717	}
		2718	# else put us there anyways for now #d#
		2719
		2720	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2721	} else {
		2722	($path, $x, $y) = (undef, undef, undef);
		2723	}
		2724	}
		2725
2038	my $map = eval {	2726	my $map = eval {
2039	my $map = cf::map::find $path;	2727	my $map = defined $path ? cf::map::find $path : undef;
2040		2728
2041	if ($map) {	2729	if ($map) {
2042	$map = $map->customise_for ($self);	2730	$map = $map->customise_for ($self);
2043	$map = $check->($map) if $check && $map;	2731	$map = $check->($map, $x, $y, $self) if $check && $map;
2044	} else {	2732	} else {
2045	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2733	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2046	}	2734	}
2047		2735
2048	$map	2736	$map
2049	};	2737	};
2050		2738
…		…
2055		2743
2056	if ($gen == $self->{_goto_generation}) {	2744	if ($gen == $self->{_goto_generation}) {
2057	delete $self->{_goto_generation};	2745	delete $self->{_goto_generation};
2058	$self->leave_link ($map, $x, $y);	2746	$self->leave_link ($map, $x, $y);
2059	}	2747	}
		2748
		2749	$done->($self) if $done;
2060	})->prio (1);	2750	})->prio (1);
2061	}	2751	}
2062		2752
2063	=item $player_object->enter_exit ($exit_object)	2753	=item $player_object->enter_exit ($exit_object)
2064		2754
…		…
2084	}	2774	}
2085		2775
2086	sub prepare_random_map {	2776	sub prepare_random_map {
2087	my ($exit) = @_;	2777	my ($exit) = @_;
2088		2778
2089	my $guard = cf::lock_acquire "exit_prepare:$exit";
2090
2091	# all this does is basically replace the /! path by	2779	# all this does is basically replace the /! path by
2092	# a new random map path (?random/...) with a seed	2780	# a new random map path (?random/...) with a seed
2093	# that depends on the exit object	2781	# that depends on the exit object
2094		2782
2095	my $rmp = parse_random_map_params $exit->msg;	2783	my $rmp = parse_random_map_params $exit->msg;
…		…
2097	if ($exit->map) {	2785	if ($exit->map) {
2098	$rmp->{region} = $exit->region->name;	2786	$rmp->{region} = $exit->region->name;
2099	$rmp->{origin_map} = $exit->map->path;	2787	$rmp->{origin_map} = $exit->map->path;
2100	$rmp->{origin_x} = $exit->x;	2788	$rmp->{origin_x} = $exit->x;
2101	$rmp->{origin_y} = $exit->y;	2789	$rmp->{origin_y} = $exit->y;
		2790
		2791	$exit->map->touch;
2102	}	2792	}
2103		2793
2104	$rmp->{random_seed} ||= $exit->random_seed;	2794	$rmp->{random_seed} ||= $exit->random_seed;
2105		2795
2106	my $data = cf::to_json $rmp;	2796	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2107	my $md5 = Digest::MD5::md5_hex $data;	2797	my $md5 = Digest::MD5::md5_hex $data;
2108	my $meta = "$RANDOMDIR/$md5.meta";	2798	my $meta = "$RANDOMDIR/$md5.meta";
2109		2799
2110	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2800	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2111	aio_write $fh, 0, (length $data), $data, 0;	2801	aio_write $fh, 0, (length $data), $data, 0;
2112	undef $fh;	2802	undef $fh;
2113	aio_rename "$meta~", $meta;	2803	aio_rename "$meta~", $meta;
2114		2804
		2805	my $slaying = "?random/$md5";
		2806
		2807	if ($exit->valid) {
2115	$exit->slaying ("?random/$md5");	2808	$exit->slaying ("?random/$md5");
2116	$exit->msg (undef);	2809	$exit->msg (undef);
		2810	}
2117	}	2811	}
2118	}	2812	}
2119		2813
2120	sub cf::object::player::enter_exit {	2814	sub cf::object::player::enter_exit {
2121	my ($self, $exit) = @_;	2815	my ($self, $exit) = @_;
2122		2816
2123	return unless $self->type == cf::PLAYER;	2817	return unless $self->type == cf::PLAYER;
2124		2818
2125	if ($exit->slaying eq "/!") {
2126	#TODO: this should de-fi-ni-te-ly not be a sync-job
2127	# the problem is that $exit might not survive long enough
2128	# so it needs to be done right now, right here
2129	cf::sync_job { prepare_random_map $exit };
2130	}
2131
2132	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2133	my $hp = $exit->stats->hp;
2134	my $sp = $exit->stats->sp;
2135
2136	$self->enter_link;	2819	$self->enter_link;
2137		2820
2138	(async {	2821	(async {
2139	$self->deactivate_recursive; # just to be sure	2822	$Coro::current->{desc} = "enter_exit";
		2823
2140	unless (eval {	2824	unless (eval {
		2825	$self->deactivate_recursive; # just to be sure
		2826
		2827	# random map handling
		2828	{
		2829	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2830
		2831	prepare_random_map $exit
		2832	if $exit->slaying eq "/!";
		2833	}
		2834
		2835	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2836	my $x = $exit->stats->hp;
		2837	my $y = $exit->stats->sp;
		2838
2141	$self->goto ($slaying, $hp, $sp);	2839	$self->goto ($map, $x, $y);
2142		2840
		2841	# if exit is damned, update players death & WoR home-position
		2842	$self->contr->savebed ($map, $x, $y)
		2843	if $exit->flag (cf::FLAG_DAMNED);
		2844
2143	1;	2845	1
2144	}) {	2846	}) {
2145	$self->message ("Something went wrong deep within the crossfire server. "	2847	$self->message ("Something went wrong deep within the deliantra server. "
2146	. "I'll try to bring you back to the map you were before. "	2848	. "I'll try to bring you back to the map you were before. "
2147	. "Please report this to the dungeon master!",	2849	. "Please report this to the dungeon master!",
2148	cf::NDI_UNIQUE | cf::NDI_RED);	2850	cf::NDI_UNIQUE | cf::NDI_RED);
2149		2851
2150	warn "ERROR in enter_exit: $@";	2852	warn "ERROR in enter_exit: $@";
…		…
2169		2871
2170	utf8::encode $text;	2872	utf8::encode $text;
2171	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2873	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2172	}	2874	}
2173		2875
		2876	=item $client->send_big_packet ($pkt)
		2877
		2878	Like C<send_packet>, but tries to compress large packets, and fragments
		2879	them as required.
		2880
		2881	=cut
		2882
		2883	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2884
		2885	sub cf::client::send_big_packet {
		2886	my ($self, $pkt) = @_;
		2887
		2888	# try lzf for large packets
		2889	$pkt = "lzf " . Compress::LZF::compress $pkt
		2890	if 1024 <= length $pkt and $self->{can_lzf};
		2891
		2892	# split very large packets
		2893	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2894	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2895	$pkt = "frag";
		2896	}
		2897
		2898	$self->send_packet ($pkt);
		2899	}
		2900
		2901	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2902
		2903	Send a drawinfo or msg packet to the client, formatting the msg for the
		2904	client if neccessary. C<$type> should be a string identifying the type of
		2905	the message, with C<log> being the default. If C<$color> is negative, suppress
		2906	the message unless the client supports the msg packet.
		2907
		2908	=cut
		2909
		2910	# non-persistent channels (usually the info channel)
		2911	our %CHANNEL = (
		2912	"c/motd" => {
		2913	id => "infobox",
		2914	title => "MOTD",
		2915	reply => undef,
		2916	tooltip => "The message of the day",
		2917	},
		2918	"c/identify" => {
		2919	id => "infobox",
		2920	title => "Identify",
		2921	reply => undef,
		2922	tooltip => "Items recently identified",
		2923	},
		2924	"c/examine" => {
		2925	id => "infobox",
		2926	title => "Examine",
		2927	reply => undef,
		2928	tooltip => "Signs and other items you examined",
		2929	},
		2930	"c/shopinfo" => {
		2931	id => "infobox",
		2932	title => "Shop Info",
		2933	reply => undef,
		2934	tooltip => "What your bargaining skill tells you about the shop",
		2935	},
		2936	"c/book" => {
		2937	id => "infobox",
		2938	title => "Book",
		2939	reply => undef,
		2940	tooltip => "The contents of a note or book",
		2941	},
		2942	"c/lookat" => {
		2943	id => "infobox",
		2944	title => "Look",
		2945	reply => undef,
		2946	tooltip => "What you saw there",
		2947	},
		2948	"c/who" => {
		2949	id => "infobox",
		2950	title => "Players",
		2951	reply => undef,
		2952	tooltip => "Shows players who are currently online",
		2953	},
		2954	"c/body" => {
		2955	id => "infobox",
		2956	title => "Body Parts",
		2957	reply => undef,
		2958	tooltip => "Shows which body parts you posess and are available",
		2959	},
		2960	"c/statistics" => {
		2961	id => "infobox",
		2962	title => "Statistics",
		2963	reply => undef,
		2964	tooltip => "Shows your primary statistics",
		2965	},
		2966	"c/skills" => {
		2967	id => "infobox",
		2968	title => "Skills",
		2969	reply => undef,
		2970	tooltip => "Shows your experience per skill and item power",
		2971	},
		2972	"c/shopitems" => {
		2973	id => "infobox",
		2974	title => "Shop Items",
		2975	reply => undef,
		2976	tooltip => "Shows the items currently for sale in this shop",
		2977	},
		2978	"c/resistances" => {
		2979	id => "infobox",
		2980	title => "Resistances",
		2981	reply => undef,
		2982	tooltip => "Shows your resistances",
		2983	},
		2984	"c/pets" => {
		2985	id => "infobox",
		2986	title => "Pets",
		2987	reply => undef,
		2988	tooltip => "Shows information abotu your pets/a specific pet",
		2989	},
		2990	"c/perceiveself" => {
		2991	id => "infobox",
		2992	title => "Perceive Self",
		2993	reply => undef,
		2994	tooltip => "You gained detailed knowledge about yourself",
		2995	},
		2996	"c/uptime" => {
		2997	id => "infobox",
		2998	title => "Uptime",
		2999	reply => undef,
		3000	tooltip => "How long the server has been running since last restart",
		3001	},
		3002	"c/mapinfo" => {
		3003	id => "infobox",
		3004	title => "Map Info",
		3005	reply => undef,
		3006	tooltip => "Information related to the maps",
		3007	},
		3008	"c/party" => {
		3009	id => "party",
		3010	title => "Party",
		3011	reply => "gsay ",
		3012	tooltip => "Messages and chat related to your party",
		3013	},
		3014	"c/death" => {
		3015	id => "death",
		3016	title => "Death",
		3017	reply => undef,
		3018	tooltip => "Reason for and more info about your most recent death",
		3019	},
		3020	"c/say" => $SAY_CHANNEL,
		3021	"c/chat" => $CHAT_CHANNEL,
		3022	);
		3023
		3024	sub cf::client::send_msg {
		3025	my ($self, $channel, $msg, $color, @extra) = @_;
		3026
		3027	$msg = $self->pl->expand_cfpod ($msg)
		3028	unless $color & cf::NDI_VERBATIM;
		3029
		3030	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3031
		3032	# check predefined channels, for the benefit of C
		3033	if ($CHANNEL{$channel}) {
		3034	$channel = $CHANNEL{$channel};
		3035
		3036	$self->ext_msg (channel_info => $channel);
		3037	$channel = $channel->{id};
		3038
		3039	} elsif (ref $channel) {
		3040	# send meta info to client, if not yet sent
		3041	unless (exists $self->{channel}{$channel->{id}}) {
		3042	$self->{channel}{$channel->{id}} = $channel;
		3043	$self->ext_msg (channel_info => $channel);
		3044	}
		3045
		3046	$channel = $channel->{id};
		3047	}
		3048
		3049	return unless @extra || length $msg;
		3050
		3051	# default colour, mask it out
		3052	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3053	if $color & cf::NDI_DEF;
		3054
		3055	my $pkt = "msg "
		3056	. $self->{json_coder}->encode (
		3057	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3058	);
		3059
		3060	$self->send_big_packet ($pkt);
		3061	}
		3062
2174	=item $client->ext_event ($type, %msg)	3063	=item $client->ext_msg ($type, @msg)
2175		3064
2176	Sends an exti event to the client.	3065	Sends an ext event to the client.
2177		3066
2178	=cut	3067	=cut
2179		3068
2180	sub cf::client::ext_event($$%) {	3069	sub cf::client::ext_msg($$@) {
2181	my ($self, $type, %msg) = @_;	3070	my ($self, $type, @msg) = @_;
2182		3071
		3072	if ($self->extcmd == 2) {
		3073	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3074	} elsif ($self->extcmd == 1) { # TODO: remove
2183	$msg{msgtype} = "event_$type";	3075	push @msg, msgtype => "event_$type";
2184	$self->send_packet ("ext " . cf::to_json \%msg);	3076	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3077	}
		3078	}
		3079
		3080	=item $client->ext_reply ($msgid, @msg)
		3081
		3082	Sends an ext reply to the client.
		3083
		3084	=cut
		3085
		3086	sub cf::client::ext_reply($$@) {
		3087	my ($self, $id, @msg) = @_;
		3088
		3089	if ($self->extcmd == 2) {
		3090	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3091	} elsif ($self->extcmd == 1) {
		3092	#TODO: version 1, remove
		3093	unshift @msg, msgtype => "reply", msgid => $id;
		3094	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3095	}
2185	}	3096	}
2186		3097
2187	=item $success = $client->query ($flags, "text", \&cb)	3098	=item $success = $client->query ($flags, "text", \&cb)
2188		3099
2189	Queues a query to the client, calling the given callback with	3100	Queues a query to the client, calling the given callback with
2190	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3101	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2191	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3102	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2192		3103
2193	Queries can fail, so check the return code. Or don't, as queries will become	3104	Queries can fail, so check the return code. Or don't, as queries will
2194	reliable at some point in the future.	3105	become reliable at some point in the future.
2195		3106
2196	=cut	3107	=cut
2197		3108
2198	sub cf::client::query {	3109	sub cf::client::query {
2199	my ($self, $flags, $text, $cb) = @_;	3110	my ($self, $flags, $text, $cb) = @_;
…		…
2207	utf8::encode $text;	3118	utf8::encode $text;
2208	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3119	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2209		3120
2210	$self->send_packet ($self->{query_queue}[0][0])	3121	$self->send_packet ($self->{query_queue}[0][0])
2211	if @{ $self->{query_queue} } == 1;	3122	if @{ $self->{query_queue} } == 1;
		3123
		3124	1
2212	}	3125	}
2213		3126
2214	cf::client->attach (	3127	cf::client->attach (
		3128	on_connect => sub {
		3129	my ($ns) = @_;
		3130
		3131	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3132	},
2215	on_reply => sub {	3133	on_reply => sub {
2216	my ($ns, $msg) = @_;	3134	my ($ns, $msg) = @_;
2217		3135
2218	# this weird shuffling is so that direct followup queries	3136	# this weird shuffling is so that direct followup queries
2219	# get handled first	3137	# get handled first
…		…
2231	} else {	3149	} else {
2232	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3150	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2233	}	3151	}
2234	}	3152	}
2235	},	3153	},
		3154	on_exticmd => sub {
		3155	my ($ns, $buf) = @_;
		3156
		3157	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3158
		3159	if (ref $msg) {
		3160	my ($type, $reply, @payload) =
		3161	"ARRAY" eq ref $msg
		3162	? @$msg
		3163	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3164
		3165	my @reply;
		3166
		3167	if (my $cb = $EXTICMD{$type}) {
		3168	@reply = $cb->($ns, @payload);
		3169	}
		3170
		3171	$ns->ext_reply ($reply, @reply)
		3172	if $reply;
		3173
		3174	} else {
		3175	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3176	}
		3177
		3178	cf::override;
		3179	},
2236	);	3180	);
2237		3181
2238	=item $client->async (\&cb)	3182	=item $client->async (\&cb)
2239		3183
2240	Create a new coroutine, running the specified callback. The coroutine will	3184	Create a new coroutine, running the specified callback. The coroutine will
…		…
2256		3200
2257	$coro	3201	$coro
2258	}	3202	}
2259		3203
2260	cf::client->attach (	3204	cf::client->attach (
2261	on_destroy => sub {	3205	on_client_destroy => sub {
2262	my ($ns) = @_;	3206	my ($ns) = @_;
2263		3207
2264	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3208	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2265	},	3209	},
2266	);	3210	);
…		…
2281	our $safe = new Safe "safe";	3225	our $safe = new Safe "safe";
2282	our $safe_hole = new Safe::Hole;	3226	our $safe_hole = new Safe::Hole;
2283		3227
2284	$SIG{FPE} = 'IGNORE';	3228	$SIG{FPE} = 'IGNORE';
2285		3229
2286	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3230	$safe->permit_only (Opcode::opset qw(
		3231	:base_core :base_mem :base_orig :base_math :base_loop
		3232	grepstart grepwhile mapstart mapwhile
		3233	sort time
		3234	));
2287		3235
2288	# here we export the classes and methods available to script code	3236	# here we export the classes and methods available to script code
2289		3237
2290	=pod	3238	=pod
2291		3239
2292	The following functions and methods are available within a safe environment:	3240	The following functions and methods are available within a safe environment:
2293		3241
2294	cf::object contr pay_amount pay_player map	3242	cf::object
		3243	contr pay_amount pay_player map x y force_find force_add destroy
		3244	insert remove name archname title slaying race decrease split
		3245	value
		3246
2295	cf::object::player player	3247	cf::object::player
2296	cf::player peaceful	3248	player
2297	cf::map trigger	3249
		3250	cf::player
		3251	peaceful
		3252
		3253	cf::map
		3254	trigger
2298		3255
2299	=cut	3256	=cut
2300		3257
2301	for (	3258	for (
2302	["cf::object" => qw(contr pay_amount pay_player map)],	3259	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3260	insert remove inv nrof name archname title slaying race
		3261	decrease split destroy change_exp value msg lore send_msg)],
2303	["cf::object::player" => qw(player)],	3262	["cf::object::player" => qw(player)],
2304	["cf::player" => qw(peaceful)],	3263	["cf::player" => qw(peaceful send_msg)],
2305	["cf::map" => qw(trigger)],	3264	["cf::map" => qw(trigger)],
2306	) {	3265	) {
2307	no strict 'refs';	3266	no strict 'refs';
2308	my ($pkg, @funs) = @$_;	3267	my ($pkg, @funs) = @$_;
2309	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3268	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2327		3286
2328	my $qcode = $code;	3287	my $qcode = $code;
2329	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3288	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2330	$qcode =~ s/\n/\\n/g;	3289	$qcode =~ s/\n/\\n/g;
2331		3290
		3291	%vars = (_dummy => 0) unless %vars;
		3292
		3293	my @res;
2332	local $_;	3294	local $_;
2333	local @safe::cf::_safe_eval_args = values %vars;
2334		3295
2335	my $eval =	3296	my $eval =
2336	"do {\n"	3297	"do {\n"
2337	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3298	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2338	. "#line 0 \"{$qcode}\"\n"	3299	. "#line 0 \"{$qcode}\"\n"
2339	. $code	3300	. $code
2340	. "\n}"	3301	. "\n}"
2341	;	3302	;
2342		3303
		3304	if ($CFG{safe_eval}) {
2343	sub_generation_inc;	3305	sub_generation_inc;
		3306	local @safe::cf::_safe_eval_args = values %vars;
2344	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3307	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2345	sub_generation_inc;	3308	sub_generation_inc;
		3309	} else {
		3310	local @cf::_safe_eval_args = values %vars;
		3311	@res = wantarray ? eval eval : scalar eval $eval;
		3312	}
2346		3313
2347	if ($@) {	3314	if ($@) {
2348	warn "$@";	3315	warn "$@";
2349	warn "while executing safe code '$code'\n";	3316	warn "while executing safe code '$code'\n";
2350	warn "with arguments " . (join " ", %vars) . "\n";	3317	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2369	=cut	3336	=cut
2370		3337
2371	sub register_script_function {	3338	sub register_script_function {
2372	my ($fun, $cb) = @_;	3339	my ($fun, $cb) = @_;
2373		3340
2374	no strict 'refs';	3341	$fun = "safe::$fun" if $CFG{safe_eval};
2375	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3342	*$fun = $safe_hole->wrap ($cb);
2376	}	3343	}
2377		3344
2378	=back	3345	=back
2379		3346
2380	=cut	3347	=cut
2381
2382	#############################################################################
2383
2384	=head2 EXTENSION DATABASE SUPPORT
2385
2386	Crossfire maintains a very simple database for extension use. It can
2387	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2388	convert to/from binary).
2389
2390	The parameter C<$family> should best start with the name of the extension
2391	using it, it should be unique.
2392
2393	=over 4
2394
2395	=item $value = cf::db_get $family => $key
2396
2397	Returns a single value from the database.
2398
2399	=item cf::db_put $family => $key => $value
2400
2401	Stores the given C<$value> in the family.
2402
2403	=cut
2404
2405	our $DB;
2406
2407	sub db_init {
2408	unless ($DB) {
2409	$DB = BDB::db_create $DB_ENV;
2410
2411	cf::sync_job {
2412	eval {
2413	$DB->set_flags (BDB::CHKSUM);
2414
2415	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2416	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2417	cf::cleanup "db_open(db): $!" if $!;
2418	};
2419	cf::cleanup "db_open(db): $@" if $@;
2420	};
2421	}
2422	}
2423
2424	sub db_get($$) {
2425	my $key = "$_[0]/$_[1]";
2426
2427	cf::sync_job {
2428	BDB::db_get $DB, undef, $key, my $data;
2429
2430	$! ? ()
2431	: $data
2432	}
2433	}
2434
2435	sub db_put($$$) {
2436	BDB::dbreq_pri 4;
2437	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2438	}
2439
2440	=item cf::cache $id => [$paths...], $processversion => $process
2441
2442	Generic caching function that returns the value of the resource $id,
2443	caching and regenerating as required.
2444
2445	This function can block.
2446
2447	=cut
2448
2449	sub cache {
2450	my ($id, $src, $processversion, $process) = @_;
2451
2452	my $meta =
2453	join "\x00",
2454	$processversion,
2455	map {
2456	aio_stat $_
2457	and Carp::croak "$_: $!";
2458
2459	($_, (stat _)[7,9])
2460	} @$src;
2461
2462	my $dbmeta = db_get cache => "$id/meta";
2463	if ($dbmeta ne $meta) {
2464	# changed, we may need to process
2465
2466	my @data;
2467	my $md5;
2468
2469	for (0 .. $#$src) {
2470	0 <= aio_load $src->[$_], $data[$_]
2471	or Carp::croak "$src->[$_]: $!";
2472	}
2473
2474	# if processing is expensive, check
2475	# checksum first
2476	if (1) {
2477	$md5 =
2478	join "\x00",
2479	$processversion,
2480	map {
2481	Coro::cede;
2482	($src->[$_], Digest::MD5::md5_hex $data[$_])
2483	} 0.. $#$src;
2484
2485
2486	my $dbmd5 = db_get cache => "$id/md5";
2487	if ($dbmd5 eq $md5) {
2488	db_put cache => "$id/meta", $meta;
2489
2490	return db_get cache => "$id/data";
2491	}
2492	}
2493
2494	my $t1 = Time::HiRes::time;
2495	my $data = $process->(\@data);
2496	my $t2 = Time::HiRes::time;
2497
2498	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2499
2500	db_put cache => "$id/data", $data;
2501	db_put cache => "$id/md5" , $md5;
2502	db_put cache => "$id/meta", $meta;
2503
2504	return $data;
2505	}
2506
2507	db_get cache => "$id/data"
2508	}
2509
2510	=item fork_call { }, $args
2511
2512	Executes the given code block with the given arguments in a seperate
2513	process, returning the results. Everything must be serialisable with
2514	Coro::Storable. May, of course, block. Note that the executed sub may
2515	never block itself or use any form of Event handling.
2516
2517	=cut
2518
2519	sub fork_call(&@) {
2520	my ($cb, @args) = @_;
2521
2522	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2523	# or die "socketpair: $!";
2524	pipe my $fh1, my $fh2
2525	or die "pipe: $!";
2526
2527	if (my $pid = fork) {
2528	close $fh2;
2529
2530	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2531	$res = Coro::Storable::thaw $res;
2532
2533	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2534
2535	die $$res unless "ARRAY" eq ref $res;
2536
2537	return wantarray ? @$res : $res->[-1];
2538	} else {
2539	reset_signals;
2540	local $SIG{__WARN__};
2541	local $SIG{__DIE__};
2542	eval {
2543	close $fh1;
2544
2545	my @res = eval { $cb->(@args) };
2546	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2547	};
2548
2549	warn $@ if $@;
2550	_exit 0;
2551	}
2552	}
2553		3348
2554	#############################################################################	3349	#############################################################################
2555	# the server's init and main functions	3350	# the server's init and main functions
2556		3351
2557	sub load_facedata($) {	3352	sub load_facedata($) {
2558	my ($path) = @_;	3353	my ($path) = @_;
		3354
		3355	# HACK to clear player env face cache, we need some signal framework
		3356	# for this (global event?)
		3357	%ext::player_env::MUSIC_FACE_CACHE = ();
		3358
		3359	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2559		3360
2560	warn "loading facedata from $path\n";	3361	warn "loading facedata from $path\n";
2561		3362
2562	my $facedata;	3363	my $facedata;
2563	0 < aio_load $path, $facedata	3364	0 < aio_load $path, $facedata
…		…
2566	$facedata = Coro::Storable::thaw $facedata;	3367	$facedata = Coro::Storable::thaw $facedata;
2567		3368
2568	$facedata->{version} == 2	3369	$facedata->{version} == 2
2569	or cf::cleanup "$path: version mismatch, cannot proceed.";	3370	or cf::cleanup "$path: version mismatch, cannot proceed.";
2570		3371
		3372	# patch in the exptable
		3373	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3374	$facedata->{resource}{"res/exp_table"} = {
		3375	type => FT_RSRC,
		3376	data => $exp_table,
		3377	hash => (Digest::MD5::md5 $exp_table),
		3378	};
		3379	cf::cede_to_tick;
		3380
2571	{	3381	{
2572	my $faces = $facedata->{faceinfo};	3382	my $faces = $facedata->{faceinfo};
2573		3383
2574	while (my ($face, $info) = each %$faces) {	3384	while (my ($face, $info) = each %$faces) {
2575	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3385	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3386
2576	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3387	cf::face::set_visibility $idx, $info->{visibility};
		3388	cf::face::set_magicmap $idx, $info->{magicmap};
2577	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3389	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2578	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3390	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2579	Coro::cede;	3391
		3392	cf::cede_to_tick;
2580	}	3393	}
2581		3394
2582	while (my ($face, $info) = each %$faces) {	3395	while (my ($face, $info) = each %$faces) {
2583	next unless $info->{smooth};	3396	next unless $info->{smooth};
		3397
2584	my $idx = cf::face::find $face	3398	my $idx = cf::face::find $face
2585	or next;	3399	or next;
		3400
2586	if (my $smooth = cf::face::find $info->{smooth}) {	3401	if (my $smooth = cf::face::find $info->{smooth}) {
		3402	cf::face::set_smooth $idx, $smooth;
2587	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3403	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2588	} else {	3404	} else {
2589	warn "smooth face '$info->{smooth}' not found for face '$face'";	3405	warn "smooth face '$info->{smooth}' not found for face '$face'";
2590	}	3406	}
2591	Coro::cede;	3407
		3408	cf::cede_to_tick;
2592	}	3409	}
2593	}	3410	}
2594		3411
2595	{	3412	{
2596	my $anims = $facedata->{animinfo};	3413	my $anims = $facedata->{animinfo};
2597		3414
2598	while (my ($anim, $info) = each %$anims) {	3415	while (my ($anim, $info) = each %$anims) {
2599	cf::anim::set $anim, $info->{frames}, $info->{facings};	3416	cf::anim::set $anim, $info->{frames}, $info->{facings};
2600	Coro::cede;	3417	cf::cede_to_tick;
2601	}	3418	}
2602		3419
2603	cf::anim::invalidate_all; # d'oh	3420	cf::anim::invalidate_all; # d'oh
2604	}	3421	}
2605		3422
		3423	{
		3424	my $res = $facedata->{resource};
		3425
		3426	while (my ($name, $info) = each %$res) {
		3427	if (defined $info->{type}) {
		3428	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3429
		3430	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3431	cf::face::set_type $idx, $info->{type};
		3432	} else {
		3433	$RESOURCE{$name} = $info;
		3434	}
		3435
		3436	cf::cede_to_tick;
		3437	}
		3438	}
		3439
		3440	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3441
2606	1	3442	1
2607	}	3443	}
2608		3444
		3445	cf::global->attach (on_resource_update => sub {
		3446	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3447	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3448
		3449	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3450	my $sound = $soundconf->{compat}[$_]
		3451	or next;
		3452
		3453	my $face = cf::face::find "sound/$sound->[1]";
		3454	cf::sound::set $sound->[0] => $face;
		3455	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3456	}
		3457
		3458	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3459	my $face = cf::face::find "sound/$v";
		3460	cf::sound::set $k => $face;
		3461	}
		3462	}
		3463	});
		3464
		3465	register_exticmd fx_want => sub {
		3466	my ($ns, $want) = @_;
		3467
		3468	while (my ($k, $v) = each %$want) {
		3469	$ns->fx_want ($k, $v);
		3470	}
		3471	};
		3472
		3473	sub load_resource_file($) {
		3474	my $guard = lock_acquire "load_resource_file";
		3475
		3476	my $status = load_resource_file_ $_[0];
		3477	get_slot 0.1, 100;
		3478	cf::arch::commit_load;
		3479
		3480	$status
		3481	}
		3482
2609	sub reload_regions {	3483	sub reload_regions {
		3484	# HACK to clear player env face cache, we need some signal framework
		3485	# for this (global event?)
		3486	%ext::player_env::MUSIC_FACE_CACHE = ();
		3487
2610	load_resource_file "$MAPDIR/regions"	3488	load_resource_file "$MAPDIR/regions"
2611	or die "unable to load regions file\n";	3489	or die "unable to load regions file\n";
		3490
		3491	for (cf::region::list) {
		3492	$_->{match} = qr/$_->{match}/
		3493	if exists $_->{match};
		3494	}
2612	}	3495	}
2613		3496
2614	sub reload_facedata {	3497	sub reload_facedata {
2615	load_facedata "$DATADIR/facedata"	3498	load_facedata "$DATADIR/facedata"
2616	or die "unable to load facedata\n";	3499	or die "unable to load facedata\n";
…		…
2627	}	3510	}
2628		3511
2629	sub reload_resources {	3512	sub reload_resources {
2630	warn "reloading resource files...\n";	3513	warn "reloading resource files...\n";
2631		3514
		3515	reload_facedata;
		3516	reload_archetypes;
2632	reload_regions;	3517	reload_regions;
2633	reload_facedata;
2634	#reload_archetypes;#d#
2635	reload_archetypes;
2636	reload_treasures;	3518	reload_treasures;
2637		3519
2638	warn "finished reloading resource files\n";	3520	warn "finished reloading resource files\n";
2639	}	3521	}
2640		3522
2641	sub init {	3523	sub reload_config {
2642	reload_resources;	3524	warn "reloading config file...\n";
2643	}
2644		3525
2645	sub cfg_load {
2646	open my $fh, "<:utf8", "$CONFDIR/config"	3526	open my $fh, "<:utf8", "$CONFDIR/config"
2647	or return;	3527	or return;
2648		3528
2649	local $/;	3529	local $/;
2650	*CFG = YAML::Syck::Load <$fh>;	3530	*CFG = YAML::XS::Load scalar <$fh>;
2651		3531
2652	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3532	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2653		3533
2654	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3534	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2655	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3535	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2656		3536
2657	if (exists $CFG{mlockall}) {	3537	if (exists $CFG{mlockall}) {
…		…
2659	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3539	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2660	and die "WARNING: m(un)lockall failed: $!\n";	3540	and die "WARNING: m(un)lockall failed: $!\n";
2661	};	3541	};
2662	warn $@ if $@;	3542	warn $@ if $@;
2663	}	3543	}
		3544
		3545	warn "finished reloading resource files\n";
		3546	}
		3547
		3548	sub pidfile() {
		3549	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3550	or die "$PIDFILE: $!";
		3551	flock $fh, &Fcntl::LOCK_EX
		3552	or die "$PIDFILE: flock: $!";
		3553	$fh
		3554	}
		3555
		3556	# make sure only one server instance is running at any one time
		3557	sub atomic {
		3558	my $fh = pidfile;
		3559
		3560	my $pid = <$fh>;
		3561	kill 9, $pid if $pid > 0;
		3562
		3563	seek $fh, 0, 0;
		3564	print $fh $$;
		3565	}
		3566
		3567	sub main_loop {
		3568	warn "EV::loop starting\n";
		3569	if (1) {
		3570	EV::loop;
		3571	}
		3572	warn "EV::loop returned\n";
		3573	goto &main_loop unless $REALLY_UNLOOP;
2664	}	3574	}
2665		3575
2666	sub main {	3576	sub main {
		3577	cf::init_globals; # initialise logging
		3578
		3579	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3580	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3581	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3582	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3583
		3584	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3585
2667	# we must not ever block the main coroutine	3586	# we must not ever block the main coroutine
2668	local $Coro::idle = sub {	3587	local $Coro::idle = sub {
2669	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3588	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2670	(async {	3589	(async {
2671	Event::one_event;	3590	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3591	EV::loop EV::LOOP_ONESHOT;
2672	})->prio (Coro::PRIO_MAX);	3592	})->prio (Coro::PRIO_MAX);
2673	};	3593	};
2674		3594
2675	cfg_load;	3595	evthread_start IO::AIO::poll_fileno;
		3596
		3597	cf::sync_job {
		3598	cf::init_experience;
		3599	cf::init_anim;
		3600	cf::init_attackmess;
		3601	cf::init_dynamic;
		3602
		3603	cf::load_settings;
		3604	cf::load_materials;
		3605
		3606	reload_resources;
		3607	reload_config;
2676	db_init;	3608	db_init;
		3609
		3610	cf::init_uuid;
		3611	cf::init_signals;
		3612	cf::init_skills;
		3613
		3614	cf::init_beforeplay;
		3615
		3616	atomic;
		3617
2677	load_extensions;	3618	load_extensions;
2678		3619
2679	$TICK_WATCHER->start;	3620	utime time, time, $RUNTIMEFILE;
2680	Event::loop;	3621
		3622	# no (long-running) fork's whatsoever before this point(!)
		3623	use POSIX ();
		3624	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3625
		3626	(pop @POST_INIT)->(0) while @POST_INIT;
		3627	};
		3628
		3629	cf::object::thawer::errors_are_fatal 0;
		3630	warn "parse errors in files are no longer fatal from this point on.\n";
		3631
		3632	main_loop;
2681	}	3633	}
2682		3634
2683	#############################################################################	3635	#############################################################################
2684	# initialisation and cleanup	3636	# initialisation and cleanup
2685		3637
2686	# install some emergency cleanup handlers	3638	# install some emergency cleanup handlers
2687	BEGIN {	3639	BEGIN {
		3640	our %SIGWATCHER = ();
2688	for my $signal (qw(INT HUP TERM)) {	3641	for my $signal (qw(INT HUP TERM)) {
2689	Event->signal (	3642	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2690	reentrant => 0,
2691	data => WF_AUTOCANCEL,
2692	signal => $signal,
2693	prio => 0,
2694	cb => sub {
2695	cf::cleanup "SIG$signal";	3643	cf::cleanup "SIG$signal";
2696	},
2697	);	3644	};
		3645	}
		3646	}
		3647
		3648	sub write_runtime_sync {
		3649	my $t0 = AE::time;
		3650
		3651	# first touch the runtime file to show we are still running:
		3652	# the fsync below can take a very very long time.
		3653
		3654	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3655
		3656	my $guard = cf::lock_acquire "write_runtime";
		3657
		3658	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3659	or return;
		3660
		3661	my $value = $cf::RUNTIME + 90 + 10;
		3662	# 10 is the runtime save interval, for a monotonic clock
		3663	# 60 allows for the watchdog to kill the server.
		3664
		3665	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3666	and return;
		3667
		3668	# always fsync - this file is important
		3669	aio_fsync $fh
		3670	and return;
		3671
		3672	# touch it again to show we are up-to-date
		3673	aio_utime $fh, undef, undef;
		3674
		3675	close $fh
		3676	or return;
		3677
		3678	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3679	and return;
		3680
		3681	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3682
2698	}	3683	1
		3684	}
		3685
		3686	our $uuid_lock;
		3687	our $uuid_skip;
		3688
		3689	sub write_uuid_sync($) {
		3690	$uuid_skip ||= $_[0];
		3691
		3692	return if $uuid_lock;
		3693	local $uuid_lock = 1;
		3694
		3695	my $uuid = "$LOCALDIR/uuid";
		3696
		3697	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3698	or return;
		3699
		3700	my $value = uuid_seq uuid_cur;
		3701
		3702	unless ($value) {
		3703	warn "cowardly refusing to write zero uuid value!\n";
		3704	return;
		3705	}
		3706
		3707	my $value = uuid_str $value + $uuid_skip;
		3708	$uuid_skip = 0;
		3709
		3710	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3711	and return;
		3712
		3713	# always fsync - this file is important
		3714	aio_fsync $fh
		3715	and return;
		3716
		3717	close $fh
		3718	or return;
		3719
		3720	aio_rename "$uuid~", $uuid
		3721	and return;
		3722
		3723	warn "uuid file written ($value).\n";
		3724
		3725	1
		3726
		3727	}
		3728
		3729	sub write_uuid($$) {
		3730	my ($skip, $sync) = @_;
		3731
		3732	$sync ? write_uuid_sync $skip
		3733	: async { write_uuid_sync $skip };
2699	}	3734	}
2700		3735
2701	sub emergency_save() {	3736	sub emergency_save() {
2702	my $freeze_guard = cf::freeze_mainloop;	3737	my $freeze_guard = cf::freeze_mainloop;
2703		3738
2704	warn "enter emergency perl save\n";	3739	warn "emergency_perl_save: enter\n";
2705		3740
2706	cf::sync_job {	3741	cf::sync_job {
		3742	# this is a trade-off: we want to be very quick here, so
		3743	# save all maps without fsync, and later call a global sync
		3744	# (which in turn might be very very slow)
		3745	local $USE_FSYNC = 0;
		3746
2707	# use a peculiar iteration method to avoid tripping on perl	3747	# use a peculiar iteration method to avoid tripping on perl
2708	# refcount bugs in for. also avoids problems with players	3748	# refcount bugs in for. also avoids problems with players
2709	# and maps saved/destroyed asynchronously.	3749	# and maps saved/destroyed asynchronously.
2710	warn "begin emergency player save\n";	3750	warn "emergency_perl_save: begin player save\n";
2711	for my $login (keys %cf::PLAYER) {	3751	for my $login (keys %cf::PLAYER) {
2712	my $pl = $cf::PLAYER{$login} or next;	3752	my $pl = $cf::PLAYER{$login} or next;
2713	$pl->valid or next;	3753	$pl->valid or next;
		3754	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2714	$pl->save;	3755	$pl->save;
2715	}	3756	}
2716	warn "end emergency player save\n";	3757	warn "emergency_perl_save: end player save\n";
2717		3758
2718	warn "begin emergency map save\n";	3759	warn "emergency_perl_save: begin map save\n";
2719	for my $path (keys %cf::MAP) {	3760	for my $path (keys %cf::MAP) {
2720	my $map = $cf::MAP{$path} or next;	3761	my $map = $cf::MAP{$path} or next;
2721	$map->valid or next;	3762	$map->valid or next;
2722	$map->save;	3763	$map->save;
2723	}	3764	}
2724	warn "end emergency map save\n";	3765	warn "emergency_perl_save: end map save\n";
2725		3766
2726	warn "begin emergency database checkpoint\n";	3767	warn "emergency_perl_save: begin database checkpoint\n";
2727	BDB::db_env_txn_checkpoint $DB_ENV;	3768	BDB::db_env_txn_checkpoint $DB_ENV;
2728	warn "end emergency database checkpoint\n";	3769	warn "emergency_perl_save: end database checkpoint\n";
		3770
		3771	warn "emergency_perl_save: begin write uuid\n";
		3772	write_uuid_sync 1;
		3773	warn "emergency_perl_save: end write uuid\n";
2729	};	3774	};
2730		3775
		3776	warn "emergency_perl_save: starting sync()\n";
		3777	IO::AIO::aio_sync sub {
		3778	warn "emergency_perl_save: finished sync()\n";
		3779	};
		3780
2731	warn "leave emergency perl save\n";	3781	warn "emergency_perl_save: leave\n";
2732	}	3782	}
2733		3783
2734	sub post_cleanup {	3784	sub post_cleanup {
2735	my ($make_core) = @_;	3785	my ($make_core) = @_;
2736		3786
2737	warn Carp::longmess "post_cleanup backtrace"	3787	warn Carp::longmess "post_cleanup backtrace"
2738	if $make_core;	3788	if $make_core;
		3789
		3790	my $fh = pidfile;
		3791	unlink $PIDFILE if <$fh> == $$;
		3792	}
		3793
		3794	# a safer delete_package, copied from Symbol
		3795	sub clear_package($) {
		3796	my $pkg = shift;
		3797
		3798	# expand to full symbol table name if needed
		3799	unless ($pkg =~ /^main::.*::$/) {
		3800	$pkg = "main$pkg" if $pkg =~ /^::/;
		3801	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3802	$pkg .= '::' unless $pkg =~ /::$/;
		3803	}
		3804
		3805	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3806	my $stem_symtab = *{$stem}{HASH};
		3807
		3808	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3809	or return;
		3810
		3811	# clear all symbols
		3812	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3813	for my $name (keys %$leaf_symtab) {
		3814	_gv_clear *{"$pkg$name"};
		3815	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3816	}
2739	}	3817	}
2740		3818
2741	sub do_reload_perl() {	3819	sub do_reload_perl() {
2742	# can/must only be called in main	3820	# can/must only be called in main
2743	if ($Coro::current != $Coro::main) {	3821	if (in_main) {
2744	warn "can only reload from main coroutine";	3822	warn "can only reload from main coroutine";
2745	return;	3823	return;
2746	}	3824	}
2747		3825
		3826	return if $RELOAD++;
		3827
		3828	my $t1 = AE::time;
		3829
		3830	while ($RELOAD) {
2748	warn "reloading...";	3831	warn "reloading...";
2749		3832
2750	warn "entering sync_job";	3833	warn "entering sync_job";
2751		3834
2752	cf::sync_job {	3835	cf::sync_job {
2753	cf::write_runtime; # external watchdog should not bark	3836	cf::write_runtime_sync; # external watchdog should not bark
2754	cf::emergency_save;	3837	cf::emergency_save;
2755	cf::write_runtime; # external watchdog should not bark	3838	cf::write_runtime_sync; # external watchdog should not bark
2756		3839
2757	warn "syncing database to disk";	3840	warn "syncing database to disk";
2758	BDB::db_env_txn_checkpoint $DB_ENV;	3841	BDB::db_env_txn_checkpoint $DB_ENV;
2759		3842
2760	# if anything goes wrong in here, we should simply crash as we already saved	3843	# if anything goes wrong in here, we should simply crash as we already saved
2761		3844
2762	warn "cancelling all WF_AUTOCANCEL watchers";
2763	for (Event::all_watchers) {
2764	$_->cancel if $_->data & WF_AUTOCANCEL;
2765	}
2766
2767	warn "flushing outstanding aio requests";	3845	warn "flushing outstanding aio requests";
2768	for (;;) {
2769	BDB::flush;
2770	IO::AIO::flush;
2771	Coro::cede;
2772	last unless IO::AIO::nreqs || BDB::nreqs;	3846	while (IO::AIO::nreqs || BDB::nreqs) {
2773	warn "iterate...";	3847	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2774	}
2775
2776	++$RELOAD;
2777
2778	warn "cancelling all extension coros";
2779	$_->cancel for values %EXT_CORO;
2780	%EXT_CORO = ();
2781
2782	warn "removing commands";
2783	%COMMAND = ();
2784
2785	warn "removing ext commands";
2786	%EXTCMD = ();
2787
2788	warn "unloading/nuking all extensions";
2789	for my $pkg (@EXTS) {
2790	warn "... unloading $pkg";
2791
2792	if (my $cb = $pkg->can ("unload")) {
2793	eval {
2794	$cb->($pkg);
2795	1
2796	} or warn "$pkg unloaded, but with errors: $@";
2797	}	3848	}
2798		3849
2799	warn "... nuking $pkg";	3850	warn "cancelling all extension coros";
2800	Symbol::delete_package $pkg;	3851	$_->cancel for values %EXT_CORO;
2801	}	3852	%EXT_CORO = ();
2802		3853
2803	warn "unloading all perl modules loaded from $LIBDIR";	3854	warn "removing commands";
2804	while (my ($k, $v) = each %INC) {	3855	%COMMAND = ();
2805	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2806		3856
		3857	warn "removing ext/exti commands";
		3858	%EXTCMD = ();
		3859	%EXTICMD = ();
		3860
		3861	warn "unloading/nuking all extensions";
		3862	for my $pkg (@EXTS) {
2807	warn "... unloading $k";	3863	warn "... unloading $pkg";
2808	delete $INC{$k};
2809		3864
2810	$k =~ s/\.pm$//;
2811	$k =~ s/\//::/g;
2812
2813	if (my $cb = $k->can ("unload_module")) {	3865	if (my $cb = $pkg->can ("unload")) {
		3866	eval {
2814	$cb->();	3867	$cb->($pkg);
		3868	1
		3869	} or warn "$pkg unloaded, but with errors: $@";
		3870	}
		3871
		3872	warn "... clearing $pkg";
		3873	clear_package $pkg;
2815	}	3874	}
2816		3875
2817	Symbol::delete_package $k;	3876	warn "unloading all perl modules loaded from $LIBDIR";
		3877	while (my ($k, $v) = each %INC) {
		3878	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3879
		3880	warn "... unloading $k";
		3881	delete $INC{$k};
		3882
		3883	$k =~ s/\.pm$//;
		3884	$k =~ s/\//::/g;
		3885
		3886	if (my $cb = $k->can ("unload_module")) {
		3887	$cb->();
		3888	}
		3889
		3890	clear_package $k;
2818	}	3891	}
2819		3892
2820	warn "getting rid of safe::, as good as possible";	3893	warn "getting rid of safe::, as good as possible";
2821	Symbol::delete_package "safe::$_"	3894	clear_package "safe::$_"
2822	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3895	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2823		3896
2824	warn "unloading cf.pm \"a bit\"";	3897	warn "unloading cf.pm \"a bit\"";
2825	delete $INC{"cf.pm"};	3898	delete $INC{"cf.pm"};
2826	delete $INC{"cf/pod.pm"};	3899	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2827		3900
2828	# don't, removes xs symbols, too,	3901	# don't, removes xs symbols, too,
2829	# and global variables created in xs	3902	# and global variables created in xs
2830	#Symbol::delete_package __PACKAGE__;	3903	#clear_package __PACKAGE__;
2831		3904
2832	warn "unload completed, starting to reload now";	3905	warn "unload completed, starting to reload now";
2833		3906
2834	warn "reloading cf.pm";	3907	warn "reloading cf.pm";
2835	require cf;	3908	require cf;
2836	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3909	cf::_connect_to_perl_1;
2837		3910
2838	warn "loading config and database again";	3911	warn "loading config and database again";
2839	cf::cfg_load;	3912	cf::reload_config;
2840		3913
2841	warn "loading extensions";	3914	warn "loading extensions";
2842	cf::load_extensions;	3915	cf::load_extensions;
2843		3916
		3917	if ($REATTACH_ON_RELOAD) {
2844	warn "reattaching attachments to objects/players";	3918	warn "reattaching attachments to objects/players";
2845	_global_reattach; # objects, sockets	3919	_global_reattach; # objects, sockets
2846	warn "reattaching attachments to maps";	3920	warn "reattaching attachments to maps";
2847	reattach $_ for values %MAP;	3921	reattach $_ for values %MAP;
2848	warn "reattaching attachments to players";	3922	warn "reattaching attachments to players";
2849	reattach $_ for values %PLAYER;	3923	reattach $_ for values %PLAYER;
		3924	}
2850		3925
		3926	warn "running post_init jobs";
		3927	(pop @POST_INIT)->(1) while @POST_INIT;
		3928
2851	warn "leaving sync_job";	3929	warn "leaving sync_job";
2852		3930
2853	1	3931	1
2854	} or do {	3932	} or do {
2855	warn $@;	3933	warn $@;
2856	warn "error while reloading, exiting.";	3934	cf::cleanup "error while reloading, exiting.";
2857	exit 1;
2858	};	3935	};
2859		3936
2860	warn "reloaded";	3937	warn "reloaded";
		3938	--$RELOAD;
		3939	}
		3940
		3941	$t1 = AE::time - $t1;
		3942	warn "reload completed in ${t1}s\n";
2861	};	3943	};
2862		3944
2863	our $RELOAD_WATCHER; # used only during reload	3945	our $RELOAD_WATCHER; # used only during reload
2864		3946
2865	sub reload_perl() {	3947	sub reload_perl() {
2866	# doing reload synchronously and two reloads happen back-to-back,	3948	# doing reload synchronously and two reloads happen back-to-back,
2867	# coro crashes during coro_state_free->destroy here.	3949	# coro crashes during coro_state_free->destroy here.
2868		3950
2869	$RELOAD_WATCHER ||= Event->timer (	3951	$RELOAD_WATCHER ||= cf::async {
2870	reentrant => 0,	3952	Coro::AIO::aio_wait cache_extensions;
2871	after => 0,	3953
2872	data => WF_AUTOCANCEL,	3954	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2873	cb => sub {
2874	do_reload_perl;	3955	do_reload_perl;
2875	undef $RELOAD_WATCHER;	3956	undef $RELOAD_WATCHER;
2876	},	3957	};
2877	);	3958	};
2878	}	3959	}
2879		3960
2880	register_command "reload" => sub {	3961	register_command "reload" => sub {
2881	my ($who, $arg) = @_;	3962	my ($who, $arg) = @_;
2882		3963
2883	if ($who->flag (FLAG_WIZ)) {	3964	if ($who->flag (FLAG_WIZ)) {
2884	$who->message ("reloading server.");	3965	$who->message ("reloading server.");
		3966	async {
		3967	$Coro::current->{desc} = "perl_reload";
2885	async { reload_perl };	3968	reload_perl;
		3969	};
2886	}	3970	}
2887	};	3971	};
2888		3972
2889	unshift @INC, $LIBDIR;	3973	unshift @INC, $LIBDIR;
2890		3974
…		…
2892		3976
2893	our @WAIT_FOR_TICK;	3977	our @WAIT_FOR_TICK;
2894	our @WAIT_FOR_TICK_BEGIN;	3978	our @WAIT_FOR_TICK_BEGIN;
2895		3979
2896	sub wait_for_tick {	3980	sub wait_for_tick {
2897	return unless $TICK_WATCHER->is_active;
2898	return if $Coro::current == $Coro::main;	3981	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2899		3982
2900	my $signal = new Coro::Signal;	3983	my $signal = new Coro::Signal;
2901	push @WAIT_FOR_TICK, $signal;	3984	push @WAIT_FOR_TICK, $signal;
2902	$signal->wait;	3985	$signal->wait;
2903	}	3986	}
2904		3987
2905	sub wait_for_tick_begin {	3988	sub wait_for_tick_begin {
2906	return unless $TICK_WATCHER->is_active;
2907	return if $Coro::current == $Coro::main;	3989	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2908		3990
2909	my $signal = new Coro::Signal;	3991	my $signal = new Coro::Signal;
2910	push @WAIT_FOR_TICK_BEGIN, $signal;	3992	push @WAIT_FOR_TICK_BEGIN, $signal;
2911	$signal->wait;	3993	$signal->wait;
2912	}	3994	}
2913		3995
2914	my $min = 1e6;#d#	3996	sub tick {
2915	my $avg = 10;
2916	$TICK_WATCHER = Event->timer (
2917	reentrant => 0,
2918	parked => 1,
2919	prio => 0,
2920	at => $NEXT_TICK || $TICK,
2921	data => WF_AUTOCANCEL,
2922	cb => sub {
2923	if ($Coro::current != $Coro::main) {	3997	if ($Coro::current != $Coro::main) {
2924	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3998	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2925	unless ++$bug_warning > 10;	3999	unless ++$bug_warning > 10;
2926	return;	4000	return;
2927	}	4001	}
2928		4002
2929	$NOW = $tick_start = Event::time;
2930
2931	cf::server_tick; # one server iteration	4003	cf::server_tick; # one server iteration
2932		4004
2933	0 && sync_job {#d#	4005	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2934	for(1..10) {
2935	my $t = Event::time;
2936	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2937	or die;
2938		4006
2939	$map->width (50);	4007	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2940	$map->height (50);	4008	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2941	$map->alloc;	4009	Coro::async_pool {
2942	$map->_load_objects ("/tmp/x.map", 1);	4010	$Coro::current->{desc} = "runtime saver";
2943	my $t = Event::time - $t;	4011	write_runtime_sync
2944		4012	or warn "ERROR: unable to write runtime file: $!";
2945	#next unless $t < 0.0013;#d#
2946	if ($t < $min) {
2947	$min = $t;
2948	}
2949	$avg = $avg * 0.99 + $t * 0.01;
2950	}
2951	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2952	exit 0;
2953	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2954	};	4013	};
		4014	}
2955		4015
2956	$RUNTIME += $TICK;
2957	$NEXT_TICK += $TICK;
2958
2959	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2960	$NEXT_RUNTIME_WRITE = $NOW + 10;
2961	Coro::async_pool {
2962	write_runtime
2963	or warn "ERROR: unable to write runtime file: $!";
2964	};
2965	}
2966
2967	# my $AFTER = Event::time;
2968	# warn $AFTER - $NOW;#d#
2969
2970	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4016	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2971	$sig->send;	4017	$sig->send;
2972	}	4018	}
2973	while (my $sig = shift @WAIT_FOR_TICK) {	4019	while (my $sig = shift @WAIT_FOR_TICK) {
2974	$sig->send;	4020	$sig->send;
2975	}	4021	}
2976		4022
2977	$NOW = Event::time;	4023	$LOAD = ($NOW - $TICK_START) / $TICK;
2978
2979	# if we are delayed by four ticks or more, skip them all
2980	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2981
2982	$TICK_WATCHER->at ($NEXT_TICK);
2983	$TICK_WATCHER->start;
2984
2985	$LOAD = ($NOW - $tick_start) / $TICK;
2986	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4024	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2987		4025
2988	_post_tick;	4026	if (0) {
2989		4027	if ($NEXT_TICK) {
2990		4028	my $jitter = $TICK_START - $NEXT_TICK;
		4029	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4030	warn "jitter $JITTER\n";#d#
		4031	}
2991	},	4032	}
2992	);	4033	}
2993		4034
2994	{	4035	{
2995	BDB::max_poll_time $TICK * 0.1;	4036	# configure BDB
2996	$BDB_POLL_WATCHER = Event->io (	4037
2997	reentrant => 0,
2998	fd => BDB::poll_fileno,
2999	poll => 'r',
3000	prio => 0,
3001	data => WF_AUTOCANCEL,
3002	cb => \&BDB::poll_cb,
3003	);
3004	BDB::min_parallel 8;	4038	BDB::min_parallel 16;
3005		4039	BDB::max_poll_reqs $TICK * 0.1;
3006	BDB::set_sync_prepare {	4040	$AnyEvent::BDB::WATCHER->priority (1);
3007	my $status;
3008	my $current = $Coro::current;
3009	(
3010	sub {
3011	$status = $!;
3012	$current->ready; undef $current;
3013	},
3014	sub {
3015	Coro::schedule while defined $current;
3016	$! = $status;
3017	},
3018	)
3019	};
3020		4041
3021	unless ($DB_ENV) {	4042	unless ($DB_ENV) {
3022	$DB_ENV = BDB::db_env_create;	4043	$DB_ENV = BDB::db_env_create;
		4044	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4045	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4046	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4047	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4048	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3023		4049
3024	cf::sync_job {	4050	cf::sync_job {
3025	eval {	4051	eval {
3026	BDB::db_env_open	4052	BDB::db_env_open
3027	$DB_ENV,	4053	$DB_ENV,
…		…
3029	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4055	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3030	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4056	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3031	0666;	4057	0666;
3032		4058
3033	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4059	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3034
3035	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3036	$DB_ENV->set_lk_detect;
3037	};	4060	};
3038		4061
3039	cf::cleanup "db_env_open(db): $@" if $@;	4062	cf::cleanup "db_env_open(db): $@" if $@;
3040	};	4063	};
3041	}	4064	}
		4065
		4066	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4067	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4068	};
		4069	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4070	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4071	};
		4072	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4073	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4074	};
3042	}	4075	}
3043		4076
3044	{	4077	{
		4078	# configure IO::AIO
		4079
3045	IO::AIO::min_parallel 8;	4080	IO::AIO::min_parallel 8;
3046
3047	undef $Coro::AIO::WATCHER;
3048	IO::AIO::max_poll_time $TICK * 0.1;	4081	IO::AIO::max_poll_time $TICK * 0.1;
3049	$AIO_POLL_WATCHER = Event->io (	4082	undef $AnyEvent::AIO::WATCHER;
3050	reentrant => 0,
3051	data => WF_AUTOCANCEL,
3052	fd => IO::AIO::poll_fileno,
3053	poll => 'r',
3054	prio => 6,
3055	cb => \&IO::AIO::poll_cb,
3056	);
3057	}	4083	}
3058		4084
3059	my $_log_backtrace;	4085	my $_log_backtrace;
3060		4086
3061	sub _log_backtrace {	4087	sub _log_backtrace {
…		…
3064	$msg =~ s/\n//;	4090	$msg =~ s/\n//;
3065		4091
3066	# limit the # of concurrent backtraces	4092	# limit the # of concurrent backtraces
3067	if ($_log_backtrace < 2) {	4093	if ($_log_backtrace < 2) {
3068	++$_log_backtrace;	4094	++$_log_backtrace;
		4095	my $perl_bt = Carp::longmess $msg;
3069	async {	4096	async {
		4097	$Coro::current->{desc} = "abt $msg";
		4098
3070	my @bt = fork_call {	4099	my @bt = fork_call {
3071	@addr = map { sprintf "%x", $_ } @addr;	4100	@addr = map { sprintf "%x", $_ } @addr;
3072	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4101	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3073	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4102	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3074	or die "addr2line: $!";	4103	or die "addr2line: $!";
…		…
3082	}	4111	}
3083		4112
3084	@funcs	4113	@funcs
3085	};	4114	};
3086		4115
3087	LOG llevInfo, "[ABT] $msg\n";	4116	LOG llevInfo, "[ABT] $perl_bt\n";
		4117	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3088	LOG llevInfo, "[ABT] $_\n" for @bt;	4118	LOG llevInfo, "[ABT] $_\n" for @bt;
3089	--$_log_backtrace;	4119	--$_log_backtrace;
3090	};	4120	};
3091	} else {	4121	} else {
3092	LOG llevInfo, "[ABT] $msg\n";	4122	LOG llevInfo, "[ABT] $msg\n";
3093	LOG llevInfo, "[ABT] [suppressed]\n";	4123	LOG llevInfo, "[ABT] [suppressed]\n";
3094	}	4124	}
3095	}	4125	}
3096		4126
3097	# load additional modules	4127	# load additional modules
3098	use cf::pod;	4128	require "cf/$_.pm" for @EXTRA_MODULES;
		4129	cf::_connect_to_perl_2;
3099		4130
3100	END { cf::emergency_save }	4131	END { cf::emergency_save }
3101		4132
3102	1	4133	1
3103		4134

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