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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.278 by root, Mon Jun 11 21:38:14 2007 UTC vs.
Revision 1.505 by root, Sun Jan 31 03:46:20 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;
71		112
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	113	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	114	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	115	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	116	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		117
		118	our $BDB_DEADLOCK_WATCHER;
		119	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	120	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	121	our $DB_ENV;
		122
		123	our @EXTRA_MODULES = qw(pod match mapscript);
82		124
83	our %CFG;	125	our %CFG;
84		126
85	our $UPTIME; $UPTIME ||= time;	127	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	128	our $RUNTIME;
		129	our $NOW;
87		130
88	our %PLAYER; # all users	131	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	132	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	133	our $LINK_MAP; # the special {link} map, which is always available
91		134
92	# used to convert map paths into valid unix filenames by replacing / by ∕	135	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	136	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		137
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	138	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	139	our $LOADAVG; # same thing, but with alpha-smoothing
		140	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	141	our $TICK_START; # for load detecting purposes
		142
		143	our @POST_INIT;
		144
		145	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		146	our $REALLY_UNLOOP; # never set to true, please :)
98		147
99	binmode STDOUT;	148	binmode STDOUT;
100	binmode STDERR;	149	binmode STDERR;
101		150
102	# read virtual server time, if available	151	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	152	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	153	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	154	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	155	$RUNTIME = <$fh> + 0.;
107	}	156	}
		157
		158	eval "sub TICK() { $TICK } 1" or die;
108		159
109	mkdir $_	160	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	161	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		162
112	our $EMERGENCY_POSITION;	163	our $EMERGENCY_POSITION;
113		164
114	sub cf::map::normalise;	165	sub cf::map::normalise;
		166
		167	#############################################################################
		168
		169	%REFLECT = ();
		170	for (@REFLECT) {
		171	my $reflect = JSON::XS::decode_json $_;
		172	$REFLECT{$reflect->{class}} = $reflect;
		173	}
		174
		175	# this is decidedly evil
		176	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
115		177
116	#############################################################################	178	#############################################################################
117		179
118	=head2 GLOBAL VARIABLES	180	=head2 GLOBAL VARIABLES
119		181
…		…
155		217
156	The raw value load value from the last tick.	218	The raw value load value from the last tick.
157		219
158	=item %cf::CFG	220	=item %cf::CFG
159		221
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	222	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	223	from wherever your confdir points to.
162		224
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	225	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		226
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	227	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	228	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.	229	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		230
		231	=item @cf::INVOKE_RESULTS
		232
		233	This array contains the results of the last C<invoke ()> call. When
		234	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		235	that call.
		236
		237	=item %cf::REFLECT
		238
		239	Contains, for each (C++) class name, a hash reference with information
		240	about object members (methods, scalars, arrays and flags) and other
		241	metadata, which is useful for introspection.
		242
169	=back	243	=back
170		244
171	=cut	245	=cut
172		246
173	BEGIN {	247	$Coro::State::WARNHOOK = sub {
174	*CORE::GLOBAL::warn = sub {
175	my $msg = join "", @_;	248	my $msg = join "", @_;
176		249
177	$msg .= "\n"	250	$msg .= "\n"
178	unless $msg =~ /\n$/;	251	unless $msg =~ /\n$/;
179		252
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	253	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		254
182	utf8::encode $msg;
183	LOG llevError, $msg;	255	LOG llevError, $msg;
184	};	256	};
185	}	257
		258	$Coro::State::DIEHOOK = sub {
		259	return unless $^S eq 0; # "eq", not "=="
		260
		261	warn Carp::longmess $_[0];
		262
		263	if ($Coro::current == $Coro::main) {#d#
		264	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		265	return;#d#
		266	}#d#
		267
		268	# kill coroutine otherwise
		269	Coro::terminate
		270	};
186		271
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	272	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	273	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	274	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	275	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	282	for my $pkg (qw(
198	cf::global cf::attachable	283	cf::global cf::attachable
199	cf::object cf::object::player	284	cf::object cf::object::player
200	cf::client cf::player	285	cf::client cf::player
201	cf::arch cf::living	286	cf::arch cf::living
		287	cf::map cf::mapspace
202	cf::map cf::party cf::region	288	cf::party cf::region
203	)) {	289	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	290	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	291	}
207		292
208	$Event::DIED = sub {	293	$EV::DIED = sub {
209	warn "error in event callback: @_";	294	Carp::cluck "error in event callback: @_";
210	};	295	};
		296
		297	#############################################################################
211		298
212	=head2 UTILITY FUNCTIONS	299	=head2 UTILITY FUNCTIONS
213		300
214	=over 4	301	=over 4
215		302
…		…
234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	321	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235	$d	322	$d
236	} || "[unable to dump $_[0]: '$@']";	323	} || "[unable to dump $_[0]: '$@']";
237	}	324	}
238		325
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241	=item $ref = cf::from_json $json	326	=item $ref = cf::decode_json $json
242		327
243	Converts a JSON string into the corresponding perl data structure.	328	Converts a JSON string into the corresponding perl data structure.
244		329
245	=item $json = cf::to_json $ref	330	=item $json = cf::encode_json $ref
246		331
247	Converts a perl data structure into its JSON representation.	332	Converts a perl data structure into its JSON representation.
248		333
		334	=cut
		335
		336	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		337
		338	sub encode_json($) { $json_coder->encode ($_[0]) }
		339	sub decode_json($) { $json_coder->decode ($_[0]) }
		340
		341	=item cf::post_init { BLOCK }
		342
		343	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		344	but I<before> the server starts ticking again.
		345
		346	The cdoeblock will have a single boolean argument to indicate whether this
		347	is a reload or not.
		348
		349	=cut
		350
		351	sub post_init(&) {
		352	push @POST_INIT, shift;
		353	}
		354
249	=item cf::lock_wait $string	355	=item cf::lock_wait $string
250		356
251	Wait until the given lock is available. See cf::lock_acquire.	357	Wait until the given lock is available. See cf::lock_acquire.
252		358
253	=item my $lock = cf::lock_acquire $string	359	=item my $lock = cf::lock_acquire $string
254		360
255	Wait until the given lock is available and then acquires it and returns	361	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,	362	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	363	for example when the coroutine gets canceled), the lock is automatically
258	returned.	364	returned.
259		365
		366	Locks are *not* recursive, locking from the same coro twice results in a
		367	deadlocked coro.
		368
260	Lock names should begin with a unique identifier (for example, cf::map::find	369	Lock names should begin with a unique identifier (for example, cf::map::find
261	uses map_find and cf::map::load uses map_load).	370	uses map_find and cf::map::load uses map_load).
262		371
263	=item $locked = cf::lock_active $string	372	=item $locked = cf::lock_active $string
264		373
265	Return true if the lock is currently active, i.e. somebody has locked it.	374	Return true if the lock is currently active, i.e. somebody has locked it.
266		375
267	=cut	376	=cut
268		377
269	our %LOCK;	378	our $LOCKS = new Coro::SemaphoreSet;
270		379
271	sub lock_wait($) {	380	sub lock_wait($) {
272	my ($key) = @_;	381	$LOCKS->wait ($_[0]);
273
274	# wait for lock, if any
275	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;
278	}
279	}	382	}
280		383
281	sub lock_acquire($) {	384	sub lock_acquire($) {
282	my ($key) = @_;	385	$LOCKS->guard ($_[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	}	386	}
294		387
295	sub lock_active($) {	388	sub lock_active($) {
296	my ($key) = @_;	389	$LOCKS->count ($_[0]) < 1
297
298	! ! $LOCK{$key}
299	}	390	}
300		391
301	sub freeze_mainloop {	392	sub freeze_mainloop {
302	return unless $TICK_WATCHER->is_active;	393	tick_inhibit_inc;
303		394
304	my $guard = Coro::guard {	395	&Guard::guard (\&tick_inhibit_dec);
305	$TICK_WATCHER->start;	396	}
		397
		398	=item cf::periodic $interval, $cb
		399
		400	Like EV::periodic, but randomly selects a starting point so that the actions
		401	get spread over timer.
		402
		403	=cut
		404
		405	sub periodic($$) {
		406	my ($interval, $cb) = @_;
		407
		408	my $start = rand List::Util::min 180, $interval;
		409
		410	EV::periodic $start, $interval, 0, $cb
		411	}
		412
		413	=item cf::get_slot $time[, $priority[, $name]]
		414
		415	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		416	This call blocks and returns only when you have at least C<$time> seconds
		417	of cpu time till the next tick. The slot is only valid till the next cede.
		418
		419	The optional C<$name> can be used to identify the job to run. It might be
		420	used for statistical purposes and should identify the same time-class.
		421
		422	Useful for short background jobs.
		423
		424	=cut
		425
		426	our @SLOT_QUEUE;
		427	our $SLOT_QUEUE;
		428	our $SLOT_DECAY = 0.9;
		429
		430	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		431	$SLOT_QUEUE = Coro::async {
		432	$Coro::current->desc ("timeslot manager");
		433
		434	my $signal = new Coro::Signal;
		435	my $busy;
		436
		437	while () {
		438	next_job:
		439
		440	my $avail = cf::till_tick;
		441
		442	for (0 .. $#SLOT_QUEUE) {
		443	if ($SLOT_QUEUE[$_][0] <= $avail) {
		444	$busy = 0;
		445	my $job = splice @SLOT_QUEUE, $_, 1, ();
		446	$job->[2]->send;
		447	Coro::cede;
		448	goto next_job;
		449	} else {
		450	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		451	}
		452	}
		453
		454	if (@SLOT_QUEUE) {
		455	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		456	push @cf::WAIT_FOR_TICK, $signal;
		457	$signal->wait;
		458	} else {
		459	$busy = 0;
		460	Coro::schedule;
		461	}
306	};	462	}
307	$TICK_WATCHER->stop;	463	};
308	$guard	464
		465	sub get_slot($;$$) {
		466	return if tick_inhibit || $Coro::current == $Coro::main;
		467
		468	my ($time, $pri, $name) = @_;
		469
		470	$time = clamp $time, 0.01, $TICK * .6;
		471
		472	my $sig = new Coro::Signal;
		473
		474	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		475	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		476	$SLOT_QUEUE->ready;
		477	$sig->wait;
309	}	478	}
310		479
311	=item cf::async { BLOCK }	480	=item cf::async { BLOCK }
312		481
313	Currently the same as Coro::async_pool, meaning you cannot use	482	Currently the same as Coro::async_pool, meaning you cannot use
…		…
318		487
319	BEGIN { *async = \&Coro::async_pool }	488	BEGIN { *async = \&Coro::async_pool }
320		489
321	=item cf::sync_job { BLOCK }	490	=item cf::sync_job { BLOCK }
322		491
323	The design of crossfire+ requires that the main coro ($Coro::main) is	492	The design of Deliantra requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	493	is always able to handle events or runnable, as Deliantra is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	494	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		495	acceptable.
326		496
327	If it must be done, put the blocking parts into C<sync_job>. This will run	497	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	498	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	499	server will be frozen during this time, so the block should either finish
330	fast or be very important.	500	fast or be very important.
…		…
333		503
334	sub sync_job(&) {	504	sub sync_job(&) {
335	my ($job) = @_;	505	my ($job) = @_;
336		506
337	if ($Coro::current == $Coro::main) {	507	if ($Coro::current == $Coro::main) {
338	my $time = Event::time;	508	my $time = EV::time;
339		509
340	# this is the main coro, too bad, we have to block	510	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	511	# till the operation succeeds, freezing the server :/
342		512
343	# TODO: use suspend/resume instead	513	LOG llevError, Carp::longmess "sync job";#d#
344	# (but this is cancel-safe)	514
345	my $freeze_guard = freeze_mainloop;	515	my $freeze_guard = freeze_mainloop;
346		516
347	my $busy = 1;	517	my $busy = 1;
348	my @res;	518	my @res;
349		519
350	(async {	520	(async {
		521	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	522	@res = eval { $job->() };
352	warn $@ if $@;	523	warn $@ if $@;
353	undef $busy;	524	undef $busy;
354	})->prio (Coro::PRIO_MAX);	525	})->prio (Coro::PRIO_MAX);
355		526
356	while ($busy) {	527	while ($busy) {
357	Coro::cede or Event::one_event;	528	if (Coro::nready) {
		529	Coro::cede_notself;
		530	} else {
		531	EV::loop EV::LOOP_ONESHOT;
358	}	532	}
		533	}
359		534
360	$time = Event::time - $time;	535	my $time = EV::time - $time;
361		536
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	537	$TICK_START += $time; # do not account sync jobs to server load
366		538
367	wantarray ? @res : $res[0]	539	wantarray ? @res : $res[0]
368	} else {	540	} else {
369	# we are in another coroutine, how wonderful, everything just works	541	# we are in another coroutine, how wonderful, everything just works
370		542
…		…
390	$EXT_CORO{$coro+0} = $coro;	562	$EXT_CORO{$coro+0} = $coro;
391		563
392	$coro	564	$coro
393	}	565	}
394		566
395	sub write_runtime {	567	=item fork_call { }, $args
396	my $runtime = "$LOCALDIR/runtime";
397		568
398	# first touch the runtime file to show we are still running:	569	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	570	process, returning the results. Everything must be serialisable with
		571	Coro::Storable. May, of course, block. Note that the executed sub may
		572	never block itself or use any form of event handling.
400		573
401	IO::AIO::aio_utime $runtime, undef, undef;	574	=cut
402		575
403	my $guard = cf::lock_acquire "write_runtime";	576	sub fork_call(&@) {
		577	my ($cb, @args) = @_;
404		578
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	579	# we seemingly have to make a local copy of the whole thing,
406	or return;	580	# otherwise perl prematurely frees the stuff :/
		581	# TODO: investigate and fix (likely this will be rather laborious)
407		582
408	my $value = $cf::RUNTIME + 90 + 10;	583	my @res = Coro::Util::fork_eval {
409	# 10 is the runtime save interval, for a monotonic clock	584	reset_signals;
410	# 60 allows for the watchdog to kill the server.	585	&$cb
		586	}, @args;
411		587
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	588	wantarray ? @res : $res[-1]
413	and return;	589	}
414		590
415	# always fsync - this file is important	591	=item $coin = coin_from_name $name
416	aio_fsync $fh
417	and return;
418		592
419	# touch it again to show we are up-to-date	593	=cut
420	aio_utime $fh, undef, undef;
421		594
422	close $fh	595	our %coin_alias = (
423	or return;	596	"silver" => "silvercoin",
		597	"silvercoin" => "silvercoin",
		598	"silvercoins" => "silvercoin",
		599	"gold" => "goldcoin",
		600	"goldcoin" => "goldcoin",
		601	"goldcoins" => "goldcoin",
		602	"platinum" => "platinacoin",
		603	"platinumcoin" => "platinacoin",
		604	"platinumcoins" => "platinacoin",
		605	"platina" => "platinacoin",
		606	"platinacoin" => "platinacoin",
		607	"platinacoins" => "platinacoin",
		608	"royalty" => "royalty",
		609	"royalties" => "royalty",
		610	);
424		611
425	aio_rename "$runtime~", $runtime	612	sub coin_from_name($) {
426	and return;	613	$coin_alias{$_[0]}
		614	? cf::arch::find $coin_alias{$_[0]}
		615	: undef
		616	}
427		617
428	warn "runtime file written.\n";	618	=item $value = cf::db_get $family => $key
429		619
		620	Returns a single value from the environment database.
		621
		622	=item cf::db_put $family => $key => $value
		623
		624	Stores the given C<$value> in the family. It can currently store binary
		625	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		626
		627	=item $db = cf::db_table "name"
		628
		629	Create and/or open a new database table. The string must not be "db" and must be unique
		630	within each server.
		631
		632	=cut
		633
		634	sub db_table($) {
		635	my ($name) = @_;
		636	my $db = BDB::db_create $DB_ENV;
		637
		638	eval {
		639	$db->set_flags (BDB::CHKSUM);
		640
		641	utf8::encode $name;
		642	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		643	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		644	cf::cleanup "db_open(db): $!" if $!;
		645	};
		646	cf::cleanup "db_open(db): $@" if $@;
		647
		648	$db
		649	}
		650
		651	our $DB;
		652
		653	sub db_init {
		654	cf::sync_job {
		655	$DB ||= db_table "db";
		656	};
		657	}
		658
		659	sub db_get($$) {
		660	my $key = "$_[0]/$_[1]";
		661
		662	cf::sync_job {
		663	BDB::db_get $DB, undef, $key, my $data;
		664
		665	$! ? ()
		666	: $data
430	1	667	}
		668	}
		669
		670	sub db_put($$$) {
		671	BDB::dbreq_pri 4;
		672	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		673	}
		674
		675	=item cf::cache $id => [$paths...], $processversion => $process
		676
		677	Generic caching function that returns the value of the resource $id,
		678	caching and regenerating as required.
		679
		680	This function can block.
		681
		682	=cut
		683
		684	sub cache {
		685	my ($id, $src, $processversion, $process) = @_;
		686
		687	my $meta =
		688	join "\x00",
		689	$processversion,
		690	map {
		691	aio_stat $_
		692	and Carp::croak "$_: $!";
		693
		694	($_, (stat _)[7,9])
		695	} @$src;
		696
		697	my $dbmeta = db_get cache => "$id/meta";
		698	if ($dbmeta ne $meta) {
		699	# changed, we may need to process
		700
		701	my @data;
		702	my $md5;
		703
		704	for (0 .. $#$src) {
		705	0 <= aio_load $src->[$_], $data[$_]
		706	or Carp::croak "$src->[$_]: $!";
		707	}
		708
		709	# if processing is expensive, check
		710	# checksum first
		711	if (1) {
		712	$md5 =
		713	join "\x00",
		714	$processversion,
		715	map {
		716	cf::cede_to_tick;
		717	($src->[$_], Digest::MD5::md5_hex $data[$_])
		718	} 0.. $#$src;
		719
		720
		721	my $dbmd5 = db_get cache => "$id/md5";
		722	if ($dbmd5 eq $md5) {
		723	db_put cache => "$id/meta", $meta;
		724
		725	return db_get cache => "$id/data";
		726	}
		727	}
		728
		729	my $t1 = Time::HiRes::time;
		730	my $data = $process->(\@data);
		731	my $t2 = Time::HiRes::time;
		732
		733	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		734
		735	db_put cache => "$id/data", $data;
		736	db_put cache => "$id/md5" , $md5;
		737	db_put cache => "$id/meta", $meta;
		738
		739	return $data;
		740	}
		741
		742	db_get cache => "$id/data"
431	}	743	}
432		744
433	=item cf::datalog type => key => value, ...	745	=item cf::datalog type => key => value, ...
434		746
435	Log a datalog packet of the given type with the given key-value pairs.	747	Log a datalog packet of the given type with the given key-value pairs.
…		…
447		759
448	#############################################################################	760	#############################################################################
449		761
450	=head2 ATTACHABLE OBJECTS	762	=head2 ATTACHABLE OBJECTS
451		763
452	Many objects in crossfire are so-called attachable objects. That means you can	764	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")	765	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	766	to it. All such attachable objects support the following methods.
455		767
456	In the following description, CLASS can be any of C<global>, C<object>	768	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	769	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	770	Deliantra).
459		771
460	=over 4	772	=over 4
461		773
462	=item $attachable->attach ($attachment, key => $value...)	774	=item $attachable->attach ($attachment, key => $value...)
463		775
…		…
507	=item cf::CLASS::attachment $name, ...	819	=item cf::CLASS::attachment $name, ...
508		820
509	Register an attachment by C<$name> through which attachable objects of the	821	Register an attachment by C<$name> through which attachable objects of the
510	given CLASS can refer to this attachment.	822	given CLASS can refer to this attachment.
511		823
512	Some classes such as crossfire maps and objects can specify attachments	824	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.	825	that are attached at load/instantiate time, thus the need for a name.
514		826
515	These calls expect any number of the following handler/hook descriptions:	827	These calls expect any number of the following handler/hook descriptions:
516		828
517	=over 4	829	=over 4
…		…
665	_attach $registry, $klass, @attach;	977	_attach $registry, $klass, @attach;
666	}	978	}
667		979
668	$obj->{$name} = \%arg;	980	$obj->{$name} = \%arg;
669	} else {	981	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	982	warn "object uses attachment '$name' which is not available, postponing.\n";
671	}	983	}
672		984
673	$obj->{_attachment}{$name} = undef;	985	$obj->{_attachment}{$name} = undef;
674	}	986	}
675		987
…		…
715	";	1027	";
716	die if $@;	1028	die if $@;
717	}	1029	}
718		1030
719	our $override;	1031	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1032	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		1033
722	sub override {	1034	sub override {
723	$override = 1;	1035	$override = 1;
724	@invoke_results = ();	1036	@INVOKE_RESULTS = (@_);
725	}	1037	}
726		1038
727	sub do_invoke {	1039	sub do_invoke {
728	my $event = shift;	1040	my $event = shift;
729	my $callbacks = shift;	1041	my $callbacks = shift;
730		1042
731	@invoke_results = ();	1043	@INVOKE_RESULTS = ();
732		1044
733	local $override;	1045	local $override;
734		1046
735	for (@$callbacks) {	1047	for (@$callbacks) {
736	eval { &{$_->[1]} };	1048	eval { &{$_->[1]} };
…		…
745	}	1057	}
746		1058
747	0	1059	0
748	}	1060	}
749		1061
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1062	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1063
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1064	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1065
754	Generate an object-specific event with the given arguments.	1066	Generate an object-specific event with the given arguments.
755		1067
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1068	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	1069	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	1070	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1071
760	=back	1072	=back
761		1073
762	=cut	1074	=cut
763		1075
764	#############################################################################	1076	#############################################################################
765	# object support	1077	# object support
		1078
		1079	sub _object_equal($$);
		1080	sub _object_equal($$) {
		1081	my ($a, $b) = @_;
		1082
		1083	return 0 unless (ref $a) eq (ref $b);
		1084
		1085	if ("HASH" eq ref $a) {
		1086	my @ka = keys %$a;
		1087	my @kb = keys %$b;
		1088
		1089	return 0 if @ka != @kb;
		1090
		1091	for (0 .. $#ka) {
		1092	return 0 unless $ka[$_] eq $kb[$_];
		1093	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1094	}
		1095
		1096	} elsif ("ARRAY" eq ref $a) {
		1097
		1098	return 0 if @$a != @$b;
		1099
		1100	for (0 .. $#$a) {
		1101	return 0 unless _object_equal $a->[$_], $b->[$_];
		1102	}
		1103
		1104	} elsif ($a ne $b) {
		1105	return 0;
		1106	}
		1107
		1108	1
		1109	}
		1110
		1111	our $SLOW_MERGES;#d#
		1112	sub _can_merge {
		1113	my ($ob1, $ob2) = @_;
		1114
		1115	++$SLOW_MERGES;#d#
		1116
		1117	# we do the slow way here
		1118	return _object_equal $ob1, $ob2
		1119	}
766		1120
767	sub reattach {	1121	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1122	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1123	my ($obj) = @_;
770		1124
		1125	# no longer needed after getting rid of delete_package?
771	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1126	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772		1127
773	my $registry = $obj->registry;	1128	my $registry = $obj->registry;
774		1129
775	@$registry = ();	1130	@$registry = ();
776		1131
…		…
791	cf::attachable->attach (	1146	cf::attachable->attach (
792	prio => -1000000,	1147	prio => -1000000,
793	on_instantiate => sub {	1148	on_instantiate => sub {
794	my ($obj, $data) = @_;	1149	my ($obj, $data) = @_;
795		1150
796	$data = from_json $data;	1151	$data = decode_json $data;
797		1152
798	for (@$data) {	1153	for (@$data) {
799	my ($name, $args) = @$_;	1154	my ($name, $args) = @$_;
800		1155
801	$obj->attach ($name, %{$args || {} });	1156	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1172	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1173	my ($filename, $rdata, $objs) = @_;
819		1174
820	sync_job {	1175	sync_job {
821	if (length $$rdata) {	1176	if (length $$rdata) {
		1177	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1178	warn sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1179	$decname, length $$rdata, scalar @$objs;
824		1180
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1181	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1182	aio_chmod $fh, SAVE_MODE;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1183	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1184	if ($cf::USE_FSYNC) {
		1185	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;
		1186	aio_fsync $fh;
		1187	}
829	close $fh;	1188	aio_close $fh;
830		1189
831	if (@$objs) {	1190	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1191	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1192	aio_chmod $fh, SAVE_MODE;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1193	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1194	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1195	if ($cf::USE_FSYNC) {
		1196	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;
		1197	aio_fsync $fh;
		1198	}
837	close $fh;	1199	aio_close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1200	aio_rename "$filename.pst~", "$filename.pst";
839	}	1201	}
840	} else {	1202	} else {
841	aio_unlink "$filename.pst";	1203	aio_unlink "$filename.pst";
842	}	1204	}
843		1205
844	aio_rename "$filename~", $filename;	1206	aio_rename "$filename~", $filename;
		1207
		1208	$filename =~ s%/[^/]+$%%;
		1209	aio_pathsync $filename if $cf::USE_FSYNC;
845	} else {	1210	} else {
846	warn "FATAL: $filename~: $!\n";	1211	warn "unable to save objects: $filename~: $!\n";
847	}	1212	}
848	} else {	1213	} else {
849	aio_unlink $filename;	1214	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1215	aio_unlink "$filename.pst";
851	}	1216	}
852	}	1217	};
853	}	1218	}
854		1219
855	sub object_freezer_as_string {	1220	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1221	my ($rdata, $objs) = @_;
857		1222
…		…
869	or return;	1234	or return;
870		1235
871	unless (aio_stat "$filename.pst") {	1236	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1237	(aio_load "$filename.pst", $av) >= 0
873	or return;	1238	or return;
		1239
874	$av = eval { (Storable::thaw $av)->{objs} };	1240	my $st = eval { Coro::Storable::thaw $av };
		1241	$av = $st->{objs};
875	}	1242	}
876		1243
		1244	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1245	warn sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1246	$decname, length $data, scalar @{$av || []};
		1247
879	return ($data, $av);	1248	($data, $av)
880	}	1249	}
		1250
		1251	=head2 COMMAND CALLBACKS
		1252
		1253	=over 4
		1254
		1255	=cut
881		1256
882	#############################################################################	1257	#############################################################################
883	# command handling &c	1258	# command handling &c
884		1259
885	=item cf::register_command $name => \&callback($ob,$args);	1260	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1273	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1274	}
900		1275
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1276	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1277
903	Register a callbackf ro execution when the client sends an extcmd packet.	1278	Register a callback for execution when the client sends an (synchronous)
		1279	extcmd packet. Ext commands will be processed in the order they are
		1280	received by the server, like other user commands. The first argument is
		1281	the logged-in player. Ext commands can only be processed after a player
		1282	has logged in successfully.
904		1283
905	If the callback returns something, it is sent back as if reply was being	1284	If the callback returns something, it is sent back as if reply was being
906	called.	1285	called.
907		1286
		1287	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1288
		1289	Register a callback for execution when the client sends an (asynchronous)
		1290	exticmd packet. Exti commands are processed by the server as soon as they
		1291	are received, i.e. out of order w.r.t. other commands. The first argument
		1292	is a client socket. Exti commands can be received anytime, even before
		1293	log-in.
		1294
		1295	If the callback returns something, it is sent back as if reply was being
		1296	called.
		1297
908	=cut	1298	=cut
909		1299
910	sub register_extcmd {	1300	sub register_extcmd {
911	my ($name, $cb) = @_;	1301	my ($name, $cb) = @_;
912		1302
913	$EXTCMD{$name} = $cb;	1303	$EXTCMD{$name} = $cb;
914	}	1304	}
		1305
		1306	sub register_exticmd {
		1307	my ($name, $cb) = @_;
		1308
		1309	$EXTICMD{$name} = $cb;
		1310	}
		1311
		1312	use File::Glob ();
915		1313
916	cf::player->attach (	1314	cf::player->attach (
917	on_command => sub {	1315	on_command => sub {
918	my ($pl, $name, $params) = @_;	1316	my ($pl, $name, $params) = @_;
919		1317
…		…
927	cf::override;	1325	cf::override;
928	},	1326	},
929	on_extcmd => sub {	1327	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1328	my ($pl, $buf) = @_;
931		1329
932	my $msg = eval { from_json $buf };	1330	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1331
934	if (ref $msg) {	1332	if (ref $msg) {
		1333	my ($type, $reply, @payload) =
		1334	"ARRAY" eq ref $msg
		1335	? @$msg
		1336	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1337
		1338	my @reply;
		1339
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1340	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1341	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1342	}
		1343
		1344	$pl->ext_reply ($reply, @reply)
		1345	if $reply;
		1346
940	} else {	1347	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1348	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1349	}
943		1350
944	cf::override;	1351	cf::override;
945	},	1352	},
946	);	1353	);
		1354
		1355	# "readahead" all extensions
		1356	sub cache_extensions {
		1357	my $grp = IO::AIO::aio_group;
		1358
		1359	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1360	for (grep /\.ext$/, @{$_[0]}) {
		1361	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1362	}
		1363	};
		1364
		1365	$grp
		1366	}
947		1367
948	sub load_extensions {	1368	sub load_extensions {
949	cf::sync_job {	1369	cf::sync_job {
950	my %todo;	1370	my %todo;
951		1371
…		…
967	path => $path,	1387	path => $path,
968	base => $base,	1388	base => $base,
969	pkg => $pkg,	1389	pkg => $pkg,
970	);	1390	);
971		1391
972	$ext{meta} = { map { split /=/, $_, 2 } split /\s+/, $1 }	1392	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
973	if $source =~ /^#!.*?perl.*?#\s*(.*)$/;	1393	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
974		1394
975	$ext{source} =	1395	$ext{source} =
976	"package $pkg; use strict; use utf8;\n"	1396	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
977	. "#line 1 \"$path\"\n{\n"	1397	. "#line 1 \"$path\"\n{\n"
978	. $source	1398	. $source
979	. "\n};\n1";	1399	. "\n};\n1";
980		1400
981	$todo{$base} = \%ext;	1401	$todo{$base} = \%ext;
982	}	1402	}
983		1403
		1404	my $pass = 0;
984	my %done;	1405	my %done;
985	while (%todo) {	1406	while (%todo) {
986	my $progress;	1407	my $progress;
987		1408
		1409	++$pass;
		1410
		1411	ext:
988	while (my ($k, $v) = each %todo) {	1412	while (my ($k, $v) = each %todo) {
989	for (split /,\s*/, $ext{meta}{depends}) {	1413	for (split /,\s*/, $v->{meta}{depends}) {
990	goto skip	1414	next ext
991	unless exists $done{$_};	1415	unless exists $done{$_};
992	}	1416	}
993		1417
994	warn "... loading '$k' into '$v->{pkg}'\n";	1418	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
995		1419
996	unless (eval $v->{source}) {	1420	my $active = eval $v->{source};
		1421
		1422	if (length $@) {
997	my $msg = $@ ? "$v->{path}: $@\n"	1423	warn "$v->{path}: $@\n";
998	: "extension disabled.\n";
999		1424
		1425	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1000	if (exists $v->{meta}{mandatory}) {	1426	if exists $v->{meta}{mandatory};
1001	warn $msg;	1427	} else {
1002	warn "mandatory extension failed to load, exiting.\n";	1428	$done{$k} = delete $todo{$k};
1003	exit 1;	1429	push @EXTS, $v->{pkg};
1004	}	1430	$progress = 1;
1005		1431
1006	die $msg;	1432	warn "$v->{base}: extension inactive.\n"
		1433	unless $active;
1007	}	1434	}
1008
1009	$done{$k} = delete $todo{$k};
1010	push @EXTS, $v->{pkg};
1011	}	1435	}
1012		1436
1013	skip:	1437	unless ($progress) {
1014	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1438	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1015	unless $progress;	1439
		1440	while (my ($k, $v) = each %todo) {
		1441	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1442	if exists $v->{meta}{mandatory};
		1443	}
		1444	}
1016	}	1445	}
1017	};	1446	};
1018	}	1447	}
1019		1448
1020	#############################################################################	1449	#############################################################################
1021		1450
		1451	=back
		1452
1022	=head2 CORE EXTENSIONS	1453	=head2 CORE EXTENSIONS
1023		1454
1024	Functions and methods that extend core crossfire objects.	1455	Functions and methods that extend core deliantra objects.
1025		1456
1026	=cut	1457	=cut
1027		1458
1028	package cf::player;	1459	package cf::player;
1029		1460
1030	use Coro::AIO;	1461	use Coro::AIO;
1031		1462
1032	=head3 cf::player	1463	=head3 cf::player
1033		1464
1034	=over 4	1465	=over 4
		1466
		1467	=item cf::player::num_playing
		1468
		1469	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1470
		1471	=cut
		1472
		1473	sub num_playing {
		1474	scalar grep
		1475	$_->ob->map
		1476	&& !$_->hidden
		1477	&& !$_->ob->flag (cf::FLAG_WIZ),
		1478	cf::player::list
		1479	}
1035		1480
1036	=item cf::player::find $login	1481	=item cf::player::find $login
1037		1482
1038	Returns the given player object, loading it if necessary (might block).	1483	Returns the given player object, loading it if necessary (might block).
1039		1484
…		…
1058		1503
1059	sub exists($) {	1504	sub exists($) {
1060	my ($login) = @_;	1505	my ($login) = @_;
1061		1506
1062	$cf::PLAYER{$login}	1507	$cf::PLAYER{$login}
1063	or cf::sync_job { !aio_stat path $login }	1508	or !aio_stat path $login
1064	}	1509	}
1065		1510
1066	sub find($) {	1511	sub find($) {
1067	return $cf::PLAYER{$_[0]} || do {	1512	return $cf::PLAYER{$_[0]} || do {
1068	my $login = $_[0];	1513	my $login = $_[0];
…		…
1075	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1520	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1076	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1521	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1077	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1522	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1078	aio_unlink +(playerdir $login) . "/$login.pl";	1523	aio_unlink +(playerdir $login) . "/$login.pl";
1079		1524
1080	my $pl = load_pl path $login	1525	my $f = new_from_file cf::object::thawer path $login
1081	or return;	1526	or return;
		1527
		1528	my $pl = cf::player::load_pl $f
		1529	or return;
		1530
		1531	local $cf::PLAYER_LOADING{$login} = $pl;
		1532	$f->resolve_delayed_derefs;
1082	$cf::PLAYER{$login} = $pl	1533	$cf::PLAYER{$login} = $pl
1083	}	1534	}
1084	}	1535	}
1085	}	1536	}
1086		1537
…		…
1095	return if $pl->{deny_save};	1546	return if $pl->{deny_save};
1096		1547
1097	aio_mkdir playerdir $pl, 0770;	1548	aio_mkdir playerdir $pl, 0770;
1098	$pl->{last_save} = $cf::RUNTIME;	1549	$pl->{last_save} = $cf::RUNTIME;
1099		1550
		1551	cf::get_slot 0.01;
		1552
1100	$pl->save_pl ($path);	1553	$pl->save_pl ($path);
1101	Coro::cede;	1554	cf::cede_to_tick;
1102	}	1555	}
1103		1556
1104	sub new($) {	1557	sub new($) {
1105	my ($login) = @_;	1558	my ($login) = @_;
1106		1559
…		…
1112	$cf::PLAYER{$login} = $self;	1565	$cf::PLAYER{$login} = $self;
1113		1566
1114	$self	1567	$self
1115	}	1568	}
1116		1569
		1570	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1571
		1572	=cut
		1573
		1574	sub send_msg {
		1575	my $ns = shift->ns
		1576	or return;
		1577	$ns->send_msg (@_);
		1578	}
		1579
1117	=item $pl->quit_character	1580	=item $pl->quit_character
1118		1581
1119	Nukes the player without looking back. If logged in, the connection will	1582	Nukes the player without looking back. If logged in, the connection will
1120	be destroyed. May block for a long time.	1583	be destroyed. May block for a long time.
1121		1584
…		…
1125	my ($pl) = @_;	1588	my ($pl) = @_;
1126		1589
1127	my $name = $pl->ob->name;	1590	my $name = $pl->ob->name;
1128		1591
1129	$pl->{deny_save} = 1;	1592	$pl->{deny_save} = 1;
1130	$pl->password ("*"); # this should lock out the player until we nuked the dir	1593	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1131		1594
1132	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1595	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1133	$pl->deactivate;	1596	$pl->deactivate;
		1597	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1598	$pl->ob->check_score;
1134	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1599	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1135	$pl->ns->destroy if $pl->ns;	1600	$pl->ns->destroy if $pl->ns;
1136		1601
1137	my $path = playerdir $pl;	1602	my $path = playerdir $pl;
1138	my $temp = "$path~$cf::RUNTIME~deleting~";	1603	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1174	or return [];	1639	or return [];
1175		1640
1176	my @logins;	1641	my @logins;
1177		1642
1178	for my $login (@$dirs) {	1643	for my $login (@$dirs) {
		1644	my $path = path $login;
		1645
		1646	# a .pst is a dead give-away for a valid player
		1647	# if no pst file found, open and chekc for blocked users
		1648	if (aio_stat "$path.pst") {
1179	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1649	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1180	aio_read $fh, 0, 512, my $buf, 0 or next;	1650	aio_read $fh, 0, 512, my $buf, 0 or next;
1181	$buf !~ /^password -------------$/m or next; # official not-valid tag	1651	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1652	}
1182		1653
1183	utf8::decode $login;	1654	utf8::decode $login;
1184	push @logins, $login;	1655	push @logins, $login;
1185	}	1656	}
1186		1657
…		…
1213	}	1684	}
1214		1685
1215	\@paths	1686	\@paths
1216	}	1687	}
1217		1688
		1689	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1690
		1691	Expand deliantra pod fragments into protocol xml.
		1692
1218	=item $player->ext_reply ($msgid, %msg)	1693	=item $player->ext_reply ($msgid, @msg)
1219		1694
1220	Sends an ext reply to the player.	1695	Sends an ext reply to the player.
1221		1696
1222	=cut	1697	=cut
1223		1698
1224	sub ext_reply($$%) {	1699	sub ext_reply($$@) {
1225	my ($self, $id, %msg) = @_;	1700	my ($self, $id, @msg) = @_;
1226		1701
1227	$msg{msgid} = $id;	1702	$self->ns->ext_reply ($id, @msg)
1228
1229	$self->send ("ext " . cf::to_json \%msg);
1230	}	1703	}
1231		1704
1232	=item $player->ext_event ($type, %msg)	1705	=item $player->ext_msg ($type, @msg)
1233		1706
1234	Sends an ext event to the client.	1707	Sends an ext event to the client.
1235		1708
1236	=cut	1709	=cut
1237		1710
1238	sub ext_event($$%) {	1711	sub ext_msg($$@) {
1239	my ($self, $type, %msg) = @_;	1712	my ($self, $type, @msg) = @_;
1240		1713
1241	$self->ns->ext_event ($type, %msg);	1714	$self->ns->ext_msg ($type, @msg);
1242	}	1715	}
1243		1716
1244	=head3 cf::region	1717	=head3 cf::region
1245		1718
1246	=over 4	1719	=over 4
…		…
1249		1722
1250	package cf::region;	1723	package cf::region;
1251		1724
1252	=item cf::region::find_by_path $path	1725	=item cf::region::find_by_path $path
1253		1726
1254	Tries to decuce the probable region for a map knowing only its path.	1727	Tries to decuce the likely region for a map knowing only its path.
1255		1728
1256	=cut	1729	=cut
1257		1730
1258	sub find_by_path($) {	1731	sub find_by_path($) {
1259	my ($path) = @_;	1732	my ($path) = @_;
1260		1733
1261	my ($match, $specificity);	1734	my ($match, $specificity);
1262		1735
1263	for my $region (list) {	1736	for my $region (list) {
1264	if ($region->match && $path =~ $region->match) {	1737	if ($region->{match} && $path =~ $region->{match}) {
1265	($match, $specificity) = ($region, $region->specificity)	1738	($match, $specificity) = ($region, $region->specificity)
1266	if $region->specificity > $specificity;	1739	if $region->specificity > $specificity;
1267	}	1740	}
1268	}	1741	}
1269		1742
…		…
1290	our $MAX_RESET = 3600;	1763	our $MAX_RESET = 3600;
1291	our $DEFAULT_RESET = 3000;	1764	our $DEFAULT_RESET = 3000;
1292		1765
1293	sub generate_random_map {	1766	sub generate_random_map {
1294	my ($self, $rmp) = @_;	1767	my ($self, $rmp) = @_;
		1768
		1769	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1770
1295	# mit "rum" bekleckern, nicht	1771	# mit "rum" bekleckern, nicht
1296	$self->_create_random_map (	1772	$self->_create_random_map (
1297	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1773	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1298	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1774	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1299	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1775	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1389	$self->init; # pass $1 etc.	1865	$self->init; # pass $1 etc.
1390	return $self;	1866	return $self;
1391	}	1867	}
1392	}	1868	}
1393		1869
1394	Carp::carp "unable to resolve path '$path' (base '$base').";	1870	Carp::cluck "unable to resolve path '$path' (base '$base').";
1395	()	1871	()
1396	}	1872	}
1397		1873
1398	sub init {	1874	sub init {
1399	my ($self) = @_;	1875	my ($self) = @_;
…		…
1421		1897
1422	# the temporary/swap location	1898	# the temporary/swap location
1423	sub save_path {	1899	sub save_path {
1424	my ($self) = @_;	1900	my ($self) = @_;
1425		1901
1426	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1902	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1427	"$TMPDIR/$path.map"	1903	"$TMPDIR/$path.map"
1428	}	1904	}
1429		1905
1430	# the unique path, undef == no special unique path	1906	# the unique path, undef == no special unique path
1431	sub uniq_path {	1907	sub uniq_path {
1432	my ($self) = @_;	1908	my ($self) = @_;
1433		1909
1434	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1910	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1435	"$UNIQUEDIR/$path"	1911	"$UNIQUEDIR/$path"
1436	}
1437
1438	# and all this just because we cannot iterate over
1439	# all maps in C++...
1440	sub change_all_map_light {
1441	my ($change) = @_;
1442
1443	$_->change_map_light ($change)
1444	for grep $_->outdoor, values %cf::MAP;
1445	}	1912	}
1446		1913
1447	sub decay_objects {	1914	sub decay_objects {
1448	my ($self) = @_;	1915	my ($self) = @_;
1449		1916
…		…
1462		1929
1463	sub load_header_from($) {	1930	sub load_header_from($) {
1464	my ($self, $path) = @_;	1931	my ($self, $path) = @_;
1465		1932
1466	utf8::encode $path;	1933	utf8::encode $path;
1467	#aio_open $path, O_RDONLY, 0	1934	my $f = new_from_file cf::object::thawer $path
1468	# or return;
1469
1470	$self->_load_header ($path)
1471	or return;	1935	or return;
		1936
		1937	$self->_load_header ($f)
		1938	or return;
		1939
		1940	local $MAP_LOADING{$self->{path}} = $self;
		1941	$f->resolve_delayed_derefs;
1472		1942
1473	$self->{load_path} = $path;	1943	$self->{load_path} = $path;
1474		1944
1475	1	1945	1
1476	}	1946	}
…		…
1530	sub find {	2000	sub find {
1531	my ($path, $origin) = @_;	2001	my ($path, $origin) = @_;
1532		2002
1533	$path = normalise $path, $origin && $origin->path;	2003	$path = normalise $path, $origin && $origin->path;
1534		2004
		2005	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1535	cf::lock_wait "map_find:$path";	2006	my $guard2 = cf::lock_acquire "map_find:$path";
1536		2007
1537	$cf::MAP{$path} || do {	2008	$cf::MAP{$path} || do {
1538	my $guard = cf::lock_acquire "map_find:$path";
1539	my $map = new_from_path cf::map $path	2009	my $map = new_from_path cf::map $path
1540	or return;	2010	or return;
1541		2011
1542	$map->{last_save} = $cf::RUNTIME;	2012	$map->{last_save} = $cf::RUNTIME;
1543		2013
…		…
1545	or return;	2015	or return;
1546		2016
1547	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2017	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1548	# doing this can freeze the server in a sync job, obviously	2018	# doing this can freeze the server in a sync job, obviously
1549	#$cf::WAIT_FOR_TICK->wait;	2019	#$cf::WAIT_FOR_TICK->wait;
		2020	undef $guard2;
		2021	undef $guard1;
1550	$map->reset;	2022	$map->reset;
1551	undef $guard;
1552	return find $path;	2023	return find $path;
1553	}	2024	}
1554		2025
1555	$cf::MAP{$path} = $map	2026	$cf::MAP{$path} = $map
1556	}	2027	}
1557	}	2028	}
1558		2029
1559	sub pre_load { }	2030	sub pre_load { }
1560	sub post_load { }	2031	#sub post_load { } # XS
1561		2032
1562	sub load {	2033	sub load {
1563	my ($self) = @_;	2034	my ($self) = @_;
1564		2035
1565	local $self->{deny_reset} = 1; # loading can take a long time	2036	local $self->{deny_reset} = 1; # loading can take a long time
1566		2037
1567	my $path = $self->{path};	2038	my $path = $self->{path};
1568		2039
1569	{	2040	{
1570	my $guard = cf::lock_acquire "map_load:$path";	2041	my $guard = cf::lock_acquire "map_data:$path";
1571		2042
		2043	return unless $self->valid;
1572	return if $self->in_memory != cf::MAP_SWAPPED;	2044	return unless $self->in_memory == cf::MAP_SWAPPED;
1573		2045
1574	$self->in_memory (cf::MAP_LOADING);	2046	$self->in_memory (cf::MAP_LOADING);
1575		2047
1576	$self->alloc;	2048	$self->alloc;
1577		2049
1578	$self->pre_load;	2050	$self->pre_load;
1579	Coro::cede;	2051	cf::cede_to_tick;
1580		2052
		2053	my $f = new_from_file cf::object::thawer $self->{load_path};
		2054	$f->skip_block;
1581	$self->_load_objects ($self->{load_path}, 1)	2055	$self->_load_objects ($f)
1582	or return;	2056	or return;
1583		2057
1584	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2058	$self->post_load_original
1585	if delete $self->{load_original};	2059	if delete $self->{load_original};
1586		2060
1587	if (my $uniq = $self->uniq_path) {	2061	if (my $uniq = $self->uniq_path) {
1588	utf8::encode $uniq;	2062	utf8::encode $uniq;
1589	if (aio_open $uniq, O_RDONLY, 0) {	2063	unless (aio_stat $uniq) {
		2064	if (my $f = new_from_file cf::object::thawer $uniq) {
1590	$self->clear_unique_items;	2065	$self->clear_unique_items;
1591	$self->_load_objects ($uniq, 0);	2066	$self->_load_objects ($f);
		2067	$f->resolve_delayed_derefs;
		2068	}
1592	}	2069	}
1593	}	2070	}
1594		2071
1595	Coro::cede;	2072	$f->resolve_delayed_derefs;
		2073
		2074	cf::cede_to_tick;
1596	# now do the right thing for maps	2075	# now do the right thing for maps
1597	$self->link_multipart_objects;	2076	$self->link_multipart_objects;
1598	$self->difficulty ($self->estimate_difficulty)	2077	$self->difficulty ($self->estimate_difficulty)
1599	unless $self->difficulty;	2078	unless $self->difficulty;
1600	Coro::cede;	2079	cf::cede_to_tick;
1601		2080
1602	unless ($self->{deny_activate}) {	2081	unless ($self->{deny_activate}) {
1603	$self->decay_objects;	2082	$self->decay_objects;
1604	$self->fix_auto_apply;	2083	$self->fix_auto_apply;
1605	$self->update_buttons;	2084	$self->update_buttons;
1606	Coro::cede;	2085	cf::cede_to_tick;
1607	$self->set_darkness_map;
1608	Coro::cede;
1609	$self->activate;	2086	$self->activate;
1610	}	2087	}
1611		2088
		2089	$self->{last_save} = $cf::RUNTIME;
		2090	$self->last_access ($cf::RUNTIME);
		2091
1612	$self->in_memory (cf::MAP_IN_MEMORY);	2092	$self->in_memory (cf::MAP_ACTIVE);
1613	}	2093	}
1614		2094
1615	$self->post_load;	2095	$self->post_load;
1616	}	2096	}
1617		2097
…		…
1626		2106
1627	$self	2107	$self
1628	}	2108	}
1629		2109
1630	# find and load all maps in the 3x3 area around a map	2110	# find and load all maps in the 3x3 area around a map
1631	sub load_diag {	2111	sub load_neighbours {
1632	my ($map) = @_;	2112	my ($map) = @_;
1633		2113
1634	my @diag; # diagonal neighbours	2114	my @neigh; # diagonal neighbours
1635		2115
1636	for (0 .. 3) {	2116	for (0 .. 3) {
1637	my $neigh = $map->tile_path ($_)	2117	my $neigh = $map->tile_path ($_)
1638	or next;	2118	or next;
1639	$neigh = find $neigh, $map	2119	$neigh = find $neigh, $map
1640	or next;	2120	or next;
1641	$neigh->load;	2121	$neigh->load;
1642		2122
		2123	push @neigh,
1643	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2124	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1644	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2125	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1645	}	2126	}
1646		2127
1647	for (@diag) {	2128	for (grep defined $_->[0], @neigh) {
		2129	my ($path, $origin) = @$_;
1648	my $neigh = find @$_	2130	my $neigh = find $path, $origin
1649	or next;	2131	or next;
1650	$neigh->load;	2132	$neigh->load;
1651	}	2133	}
1652	}	2134	}
1653		2135
…		…
1658	}	2140	}
1659		2141
1660	sub do_load_sync {	2142	sub do_load_sync {
1661	my ($map) = @_;	2143	my ($map) = @_;
1662		2144
		2145	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2146	if $Coro::current == $Coro::main;
		2147
1663	cf::sync_job { $map->load };	2148	cf::sync_job { $map->load };
1664	}	2149	}
1665		2150
1666	our %MAP_PREFETCH;	2151	our %MAP_PREFETCH;
1667	our $MAP_PREFETCHER = undef;	2152	our $MAP_PREFETCHER = undef;
1668		2153
1669	sub find_async {	2154	sub find_async {
1670	my ($path, $origin) = @_;	2155	my ($path, $origin, $load) = @_;
1671		2156
1672	$path = normalise $path, $origin && $origin->{path};	2157	$path = normalise $path, $origin && $origin->{path};
1673		2158
1674	if (my $map = $cf::MAP{$path}) {	2159	if (my $map = $cf::MAP{$path}) {
1675	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2160	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1676	}	2161	}
1677		2162
1678	undef $MAP_PREFETCH{$path};	2163	$MAP_PREFETCH{$path} |= $load;
		2164
1679	$MAP_PREFETCHER ||= cf::async {	2165	$MAP_PREFETCHER ||= cf::async {
		2166	$Coro::current->{desc} = "map prefetcher";
		2167
1680	while (%MAP_PREFETCH) {	2168	while (%MAP_PREFETCH) {
1681	for my $path (keys %MAP_PREFETCH) {	2169	while (my ($k, $v) = each %MAP_PREFETCH) {
1682	my $map = find $path	2170	if (my $map = find $k) {
1683	or next;
1684	$map->load;	2171	$map->load if $v;
		2172	}
1685		2173
1686	delete $MAP_PREFETCH{$path};	2174	delete $MAP_PREFETCH{$k};
1687	}	2175	}
1688	}	2176	}
1689	undef $MAP_PREFETCHER;	2177	undef $MAP_PREFETCHER;
1690	};	2178	};
1691	$MAP_PREFETCHER->prio (6);	2179	$MAP_PREFETCHER->prio (6);
…		…
1694	}	2182	}
1695		2183
1696	sub save {	2184	sub save {
1697	my ($self) = @_;	2185	my ($self) = @_;
1698		2186
1699	my $lock = cf::lock_acquire "map_data:" . $self->path;	2187	my $lock = cf::lock_acquire "map_data:$self->{path}";
1700		2188
1701	$self->{last_save} = $cf::RUNTIME;	2189	$self->{last_save} = $cf::RUNTIME;
1702		2190
1703	return unless $self->dirty;	2191	return unless $self->dirty;
1704		2192
…		…
1710	return if $self->{deny_save};	2198	return if $self->{deny_save};
1711		2199
1712	local $self->{last_access} = $self->last_access;#d#	2200	local $self->{last_access} = $self->last_access;#d#
1713		2201
1714	cf::async {	2202	cf::async {
		2203	$Coro::current->{desc} = "map player save";
1715	$_->contr->save for $self->players;	2204	$_->contr->save for $self->players;
1716	};	2205	};
		2206
		2207	cf::get_slot 0.02;
1717		2208
1718	if ($uniq) {	2209	if ($uniq) {
1719	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2210	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1720	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2211	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1721	} else {	2212	} else {
…		…
1727	my ($self) = @_;	2218	my ($self) = @_;
1728		2219
1729	# save first because save cedes	2220	# save first because save cedes
1730	$self->save;	2221	$self->save;
1731		2222
1732	my $lock = cf::lock_acquire "map_data:" . $self->path;	2223	my $lock = cf::lock_acquire "map_data:$self->{path}";
1733		2224
1734	return if $self->players;	2225	return if $self->players;
1735	return if $self->in_memory != cf::MAP_IN_MEMORY;	2226	return if $self->in_memory != cf::MAP_ACTIVE;
1736	return if $self->{deny_save};	2227	return if $self->{deny_save};
1737		2228
		2229	$self->in_memory (cf::MAP_SWAPPED);
		2230
		2231	$self->deactivate;
		2232	$_->clear_links_to ($self) for values %cf::MAP;
1738	$self->clear;	2233	$self->clear;
1739	$self->in_memory (cf::MAP_SWAPPED);
1740	}	2234	}
1741		2235
1742	sub reset_at {	2236	sub reset_at {
1743	my ($self) = @_;	2237	my ($self) = @_;
1744		2238
…		…
1762		2256
1763	my $lock = cf::lock_acquire "map_data:$self->{path}";	2257	my $lock = cf::lock_acquire "map_data:$self->{path}";
1764		2258
1765	return if $self->players;	2259	return if $self->players;
1766		2260
1767	warn "resetting map ", $self->path;	2261	warn "resetting map ", $self->path, "\n";
1768		2262
1769	$self->in_memory (cf::MAP_SWAPPED);	2263	$self->in_memory (cf::MAP_SWAPPED);
1770		2264
1771	# need to save uniques path	2265	# need to save uniques path
1772	unless ($self->{deny_save}) {	2266	unless ($self->{deny_save}) {
…		…
1776	if $uniq;	2270	if $uniq;
1777	}	2271	}
1778		2272
1779	delete $cf::MAP{$self->path};	2273	delete $cf::MAP{$self->path};
1780		2274
		2275	$self->deactivate;
		2276	$_->clear_links_to ($self) for values %cf::MAP;
1781	$self->clear;	2277	$self->clear;
1782
1783	$_->clear_links_to ($self) for values %cf::MAP;
1784		2278
1785	$self->unlink_save;	2279	$self->unlink_save;
1786	$self->destroy;	2280	$self->destroy;
1787	}	2281	}
1788		2282
1789	my $nuke_counter = "aaaa";	2283	my $nuke_counter = "aaaa";
1790		2284
1791	sub nuke {	2285	sub nuke {
1792	my ($self) = @_;	2286	my ($self) = @_;
1793		2287
		2288	{
		2289	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2290
1794	delete $cf::MAP{$self->path};	2291	delete $cf::MAP{$self->path};
1795		2292
1796	$self->unlink_save;	2293	$self->unlink_save;
1797		2294
1798	bless $self, "cf::map";	2295	bless $self, "cf::map";
1799	delete $self->{deny_reset};	2296	delete $self->{deny_reset};
1800	$self->{deny_save} = 1;	2297	$self->{deny_save} = 1;
1801	$self->reset_timeout (1);	2298	$self->reset_timeout (1);
1802	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2299	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1803		2300
1804	$cf::MAP{$self->path} = $self;	2301	$cf::MAP{$self->path} = $self;
		2302	}
1805		2303
1806	$self->reset; # polite request, might not happen	2304	$self->reset; # polite request, might not happen
1807	}	2305	}
1808		2306
1809	=item $maps = cf::map::tmp_maps	2307	=item $maps = cf::map::tmp_maps
…		…
1851		2349
1852	sub unique_maps() {	2350	sub unique_maps() {
1853	[	2351	[
1854	map {	2352	map {
1855	utf8::decode $_;	2353	utf8::decode $_;
1856	/\.map$/	2354	s/\.map$//; # TODO future compatibility hack
		2355	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2356	? ()
1857	? normalise $_	2357	: normalise $_
1858	: ()
1859	} @{ aio_readdir $UNIQUEDIR or [] }	2358	} @{ aio_readdir $UNIQUEDIR or [] }
1860	]	2359	]
1861	}	2360	}
1862		2361
1863	package cf;	2362	=item cf::map::static_maps
		2363
		2364	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2365	file in the shared directory excluding F</styles> and F</editor>). May
		2366	block.
		2367
		2368	=cut
		2369
		2370	sub static_maps() {
		2371	my @dirs = "";
		2372	my @maps;
		2373
		2374	while (@dirs) {
		2375	my $dir = shift @dirs;
		2376
		2377	next if $dir eq "/styles" || $dir eq "/editor";
		2378
		2379	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2380	or return;
		2381
		2382	for (@$files) {
		2383	s/\.map$// or next;
		2384	utf8::decode $_;
		2385	push @maps, "$dir/$_";
		2386	}
		2387
		2388	push @dirs, map "$dir/$_", @$dirs;
		2389	}
		2390
		2391	\@maps
		2392	}
1864		2393
1865	=back	2394	=back
1866		2395
1867	=head3 cf::object	2396	=head3 cf::object
1868		2397
…		…
1872		2401
1873	=over 4	2402	=over 4
1874		2403
1875	=item $ob->inv_recursive	2404	=item $ob->inv_recursive
1876		2405
1877	Returns the inventory of the object _and_ their inventories, recursively.	2406	Returns the inventory of the object I<and> their inventories, recursively,
		2407	but I<not> the object itself.
1878		2408
1879	=cut	2409	=cut
1880		2410
1881	sub inv_recursive_;	2411	sub inv_recursive_;
1882	sub inv_recursive_ {	2412	sub inv_recursive_ {
…		…
1885		2415
1886	sub inv_recursive {	2416	sub inv_recursive {
1887	inv_recursive_ inv $_[0]	2417	inv_recursive_ inv $_[0]
1888	}	2418	}
1889		2419
		2420	=item $ref = $ob->ref
		2421
		2422	Creates and returns a persistent reference to an object that can be stored as a string.
		2423
		2424	=item $ob = cf::object::deref ($refstring)
		2425
		2426	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2427	even if the object actually exists. May block.
		2428
		2429	=cut
		2430
		2431	sub deref {
		2432	my ($ref) = @_;
		2433
		2434	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2435	my ($uuid, $name) = ($1, $2);
		2436	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2437	or return;
		2438	$pl->ob->uuid eq $uuid
		2439	or return;
		2440
		2441	$pl->ob
		2442	} else {
		2443	warn "$ref: cannot resolve object reference\n";
		2444	undef
		2445	}
		2446	}
		2447
1890	package cf;	2448	package cf;
1891		2449
1892	=back	2450	=back
1893		2451
1894	=head3 cf::object::player	2452	=head3 cf::object::player
…		…
1900	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2458	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1901	can be C<undef>. Does the right thing when the player is currently in a	2459	can be C<undef>. Does the right thing when the player is currently in a
1902	dialogue with the given NPC character.	2460	dialogue with the given NPC character.
1903		2461
1904	=cut	2462	=cut
		2463
		2464	our $SAY_CHANNEL = {
		2465	id => "say",
		2466	title => "Map",
		2467	reply => "say ",
		2468	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2469	};
		2470
		2471	our $CHAT_CHANNEL = {
		2472	id => "chat",
		2473	title => "Chat",
		2474	reply => "chat ",
		2475	tooltip => "Player chat and shouts, global to the server.",
		2476	};
1905		2477
1906	# rough implementation of a future "reply" method that works	2478	# rough implementation of a future "reply" method that works
1907	# with dialog boxes.	2479	# with dialog boxes.
1908	#TODO: the first argument must go, split into a $npc->reply_to ( method	2480	#TODO: the first argument must go, split into a $npc->reply_to ( method
1909	sub cf::object::player::reply($$$;$) {	2481	sub cf::object::player::reply($$$;$) {
…		…
1911		2483
1912	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2484	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1913		2485
1914	if ($self->{record_replies}) {	2486	if ($self->{record_replies}) {
1915	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2487	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2488
1916	} else {	2489	} else {
		2490	my $pl = $self->contr;
		2491
		2492	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2493	my $dialog = $pl->{npc_dialog};
		2494	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2495
		2496	} else {
1917	$msg = $npc->name . " says: $msg" if $npc;	2497	$msg = $npc->name . " says: $msg" if $npc;
1918	$self->message ($msg, $flags);	2498	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2499	}
1919	}	2500	}
		2501	}
		2502
		2503	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2504
		2505	=cut
		2506
		2507	sub cf::object::send_msg {
		2508	my $pl = shift->contr
		2509	or return;
		2510	$pl->send_msg (@_);
1920	}	2511	}
1921		2512
1922	=item $player_object->may ("access")	2513	=item $player_object->may ("access")
1923		2514
1924	Returns wether the given player is authorized to access resource "access"	2515	Returns wether the given player is authorized to access resource "access"
…		…
1937		2528
1938	=item $player_object->enter_link	2529	=item $player_object->enter_link
1939		2530
1940	Freezes the player and moves him/her to a special map (C<{link}>).	2531	Freezes the player and moves him/her to a special map (C<{link}>).
1941		2532
1942	The player should be reasonably safe there for short amounts of time. You	2533	The player should be reasonably safe there for short amounts of time (e.g.
1943	I<MUST> call C<leave_link> as soon as possible, though.	2534	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2535	though, as the palyer cannot control the character while it is on the link
		2536	map.
1944		2537
1945	Will never block.	2538	Will never block.
1946		2539
1947	=item $player_object->leave_link ($map, $x, $y)	2540	=item $player_object->leave_link ($map, $x, $y)
1948		2541
…		…
2000	($x, $y) = (-1, -1)	2593	($x, $y) = (-1, -1)
2001	unless (defined $x) && (defined $y);	2594	unless (defined $x) && (defined $y);
2002		2595
2003	# use -1 or undef as default coordinates, not 0, 0	2596	# use -1 or undef as default coordinates, not 0, 0
2004	($x, $y) = ($map->enter_x, $map->enter_y)	2597	($x, $y) = ($map->enter_x, $map->enter_y)
2005	if $x <=0 && $y <= 0;	2598	if $x <= 0 && $y <= 0;
2006		2599
2007	$map->load;	2600	$map->load;
2008	$map->load_diag;	2601	$map->load_neighbours;
2009		2602
2010	return unless $self->contr->active;	2603	return unless $self->contr->active;
2011	$self->activate_recursive;
2012		2604
2013	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2605	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2014	$self->enter_map ($map, $x, $y);	2606	$self->enter_map ($map, $x, $y);
2015	}
2016		2607
		2608	# only activate afterwards, to support waiting in hooks
		2609	$self->activate_recursive;
		2610	}
		2611
2017	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2612	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2018		2613
2019	Moves the player to the given map-path and coordinates by first freezing	2614	Moves the player to the given map-path and coordinates by first freezing
2020	her, loading and preparing them map, calling the provided $check callback	2615	her, loading and preparing them map, calling the provided $check callback
2021	that has to return the map if sucecssful, and then unfreezes the player on	2616	that has to return the map if sucecssful, and then unfreezes the player on
2022	the new (success) or old (failed) map position.	2617	the new (success) or old (failed) map position. In either case, $done will
		2618	be called at the end of this process.
		2619
		2620	Note that $check will be called with a potentially non-loaded map, so if
		2621	it needs a loaded map it has to call C<< ->load >>.
2023		2622
2024	=cut	2623	=cut
2025		2624
2026	our $GOTOGEN;	2625	our $GOTOGEN;
2027		2626
2028	sub cf::object::player::goto {	2627	sub cf::object::player::goto {
2029	my ($self, $path, $x, $y, $check) = @_;	2628	my ($self, $path, $x, $y, $check, $done) = @_;
2030		2629
2031	# do generation counting so two concurrent goto's will be executed in-order	2630	# do generation counting so two concurrent goto's will be executed in-order
2032	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2631	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2033		2632
2034	$self->enter_link;	2633	$self->enter_link;
2035		2634
2036	(async {	2635	(async {
		2636	$Coro::current->{desc} = "player::goto $path $x $y";
		2637
		2638	# *tag paths override both path and x|y
		2639	if ($path =~ /^\*(.*)$/) {
		2640	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2641	my $ob = $obs[rand @obs];
		2642
		2643	# see if we actually can go there
		2644	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2645	$ob = $obs[rand @obs];
		2646	} else {
		2647	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2648	}
		2649	# else put us there anyways for now #d#
		2650
		2651	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2652	} else {
		2653	($path, $x, $y) = (undef, undef, undef);
		2654	}
		2655	}
		2656
2037	my $map = eval {	2657	my $map = eval {
2038	my $map = cf::map::find $path;	2658	my $map = defined $path ? cf::map::find $path : undef;
2039		2659
2040	if ($map) {	2660	if ($map) {
2041	$map = $map->customise_for ($self);	2661	$map = $map->customise_for ($self);
2042	$map = $check->($map) if $check && $map;	2662	$map = $check->($map) if $check && $map;
2043	} else {	2663	} else {
2044	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2664	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2045	}	2665	}
2046		2666
2047	$map	2667	$map
2048	};	2668	};
2049		2669
…		…
2054		2674
2055	if ($gen == $self->{_goto_generation}) {	2675	if ($gen == $self->{_goto_generation}) {
2056	delete $self->{_goto_generation};	2676	delete $self->{_goto_generation};
2057	$self->leave_link ($map, $x, $y);	2677	$self->leave_link ($map, $x, $y);
2058	}	2678	}
		2679
		2680	$done->() if $done;
2059	})->prio (1);	2681	})->prio (1);
2060	}	2682	}
2061		2683
2062	=item $player_object->enter_exit ($exit_object)	2684	=item $player_object->enter_exit ($exit_object)
2063		2685
…		…
2083	}	2705	}
2084		2706
2085	sub prepare_random_map {	2707	sub prepare_random_map {
2086	my ($exit) = @_;	2708	my ($exit) = @_;
2087		2709
2088	my $guard = cf::lock_acquire "exit_prepare:$exit";
2089
2090	# all this does is basically replace the /! path by	2710	# all this does is basically replace the /! path by
2091	# a new random map path (?random/...) with a seed	2711	# a new random map path (?random/...) with a seed
2092	# that depends on the exit object	2712	# that depends on the exit object
2093		2713
2094	my $rmp = parse_random_map_params $exit->msg;	2714	my $rmp = parse_random_map_params $exit->msg;
…		…
2096	if ($exit->map) {	2716	if ($exit->map) {
2097	$rmp->{region} = $exit->region->name;	2717	$rmp->{region} = $exit->region->name;
2098	$rmp->{origin_map} = $exit->map->path;	2718	$rmp->{origin_map} = $exit->map->path;
2099	$rmp->{origin_x} = $exit->x;	2719	$rmp->{origin_x} = $exit->x;
2100	$rmp->{origin_y} = $exit->y;	2720	$rmp->{origin_y} = $exit->y;
		2721
		2722	$exit->map->touch;
2101	}	2723	}
2102		2724
2103	$rmp->{random_seed} ||= $exit->random_seed;	2725	$rmp->{random_seed} ||= $exit->random_seed;
2104		2726
2105	my $data = cf::to_json $rmp;	2727	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2106	my $md5 = Digest::MD5::md5_hex $data;	2728	my $md5 = Digest::MD5::md5_hex $data;
2107	my $meta = "$RANDOMDIR/$md5.meta";	2729	my $meta = "$RANDOMDIR/$md5.meta";
2108		2730
2109	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2731	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2110	aio_write $fh, 0, (length $data), $data, 0;	2732	aio_write $fh, 0, (length $data), $data, 0;
2111	undef $fh;	2733	undef $fh;
2112	aio_rename "$meta~", $meta;	2734	aio_rename "$meta~", $meta;
2113		2735
		2736	my $slaying = "?random/$md5";
		2737
		2738	if ($exit->valid) {
2114	$exit->slaying ("?random/$md5");	2739	$exit->slaying ("?random/$md5");
2115	$exit->msg (undef);	2740	$exit->msg (undef);
		2741	}
2116	}	2742	}
2117	}	2743	}
2118		2744
2119	sub cf::object::player::enter_exit {	2745	sub cf::object::player::enter_exit {
2120	my ($self, $exit) = @_;	2746	my ($self, $exit) = @_;
2121		2747
2122	return unless $self->type == cf::PLAYER;	2748	return unless $self->type == cf::PLAYER;
2123		2749
2124	if ($exit->slaying eq "/!") {
2125	#TODO: this should de-fi-ni-te-ly not be a sync-job
2126	# the problem is that $exit might not survive long enough
2127	# so it needs to be done right now, right here
2128	cf::sync_job { prepare_random_map $exit };
2129	}
2130
2131	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2132	my $hp = $exit->stats->hp;
2133	my $sp = $exit->stats->sp;
2134
2135	$self->enter_link;	2750	$self->enter_link;
2136		2751
2137	(async {	2752	(async {
2138	$self->deactivate_recursive; # just to be sure	2753	$Coro::current->{desc} = "enter_exit";
		2754
2139	unless (eval {	2755	unless (eval {
		2756	$self->deactivate_recursive; # just to be sure
		2757
		2758	# random map handling
		2759	{
		2760	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2761
		2762	prepare_random_map $exit
		2763	if $exit->slaying eq "/!";
		2764	}
		2765
		2766	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2767	my $x = $exit->stats->hp;
		2768	my $y = $exit->stats->sp;
		2769
2140	$self->goto ($slaying, $hp, $sp);	2770	$self->goto ($map, $x, $y);
2141		2771
		2772	# if exit is damned, update players death & WoR home-position
		2773	$self->contr->savebed ($map, $x, $y)
		2774	if $exit->flag (cf::FLAG_DAMNED);
		2775
2142	1;	2776	1
2143	}) {	2777	}) {
2144	$self->message ("Something went wrong deep within the crossfire server. "	2778	$self->message ("Something went wrong deep within the deliantra server. "
2145	. "I'll try to bring you back to the map you were before. "	2779	. "I'll try to bring you back to the map you were before. "
2146	. "Please report this to the dungeon master!",	2780	. "Please report this to the dungeon master!",
2147	cf::NDI_UNIQUE | cf::NDI_RED);	2781	cf::NDI_UNIQUE | cf::NDI_RED);
2148		2782
2149	warn "ERROR in enter_exit: $@";	2783	warn "ERROR in enter_exit: $@";
…		…
2168		2802
2169	utf8::encode $text;	2803	utf8::encode $text;
2170	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2804	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2171	}	2805	}
2172		2806
		2807	=item $client->send_big_packet ($pkt)
		2808
		2809	Like C<send_packet>, but tries to compress large packets, and fragments
		2810	them as required.
		2811
		2812	=cut
		2813
		2814	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2815
		2816	sub cf::client::send_big_packet {
		2817	my ($self, $pkt) = @_;
		2818
		2819	# try lzf for large packets
		2820	$pkt = "lzf " . Compress::LZF::compress $pkt
		2821	if 1024 <= length $pkt and $self->{can_lzf};
		2822
		2823	# split very large packets
		2824	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2825	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2826	$pkt = "frag";
		2827	}
		2828
		2829	$self->send_packet ($pkt);
		2830	}
		2831
		2832	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2833
		2834	Send a drawinfo or msg packet to the client, formatting the msg for the
		2835	client if neccessary. C<$type> should be a string identifying the type of
		2836	the message, with C<log> being the default. If C<$color> is negative, suppress
		2837	the message unless the client supports the msg packet.
		2838
		2839	=cut
		2840
		2841	# non-persistent channels (usually the info channel)
		2842	our %CHANNEL = (
		2843	"c/motd" => {
		2844	id => "infobox",
		2845	title => "MOTD",
		2846	reply => undef,
		2847	tooltip => "The message of the day",
		2848	},
		2849	"c/identify" => {
		2850	id => "infobox",
		2851	title => "Identify",
		2852	reply => undef,
		2853	tooltip => "Items recently identified",
		2854	},
		2855	"c/examine" => {
		2856	id => "infobox",
		2857	title => "Examine",
		2858	reply => undef,
		2859	tooltip => "Signs and other items you examined",
		2860	},
		2861	"c/shopinfo" => {
		2862	id => "infobox",
		2863	title => "Shop Info",
		2864	reply => undef,
		2865	tooltip => "What your bargaining skill tells you about the shop",
		2866	},
		2867	"c/book" => {
		2868	id => "infobox",
		2869	title => "Book",
		2870	reply => undef,
		2871	tooltip => "The contents of a note or book",
		2872	},
		2873	"c/lookat" => {
		2874	id => "infobox",
		2875	title => "Look",
		2876	reply => undef,
		2877	tooltip => "What you saw there",
		2878	},
		2879	"c/who" => {
		2880	id => "infobox",
		2881	title => "Players",
		2882	reply => undef,
		2883	tooltip => "Shows players who are currently online",
		2884	},
		2885	"c/body" => {
		2886	id => "infobox",
		2887	title => "Body Parts",
		2888	reply => undef,
		2889	tooltip => "Shows which body parts you posess and are available",
		2890	},
		2891	"c/statistics" => {
		2892	id => "infobox",
		2893	title => "Statistics",
		2894	reply => undef,
		2895	tooltip => "Shows your primary statistics",
		2896	},
		2897	"c/skills" => {
		2898	id => "infobox",
		2899	title => "Skills",
		2900	reply => undef,
		2901	tooltip => "Shows your experience per skill and item power",
		2902	},
		2903	"c/shopitems" => {
		2904	id => "infobox",
		2905	title => "Shop Items",
		2906	reply => undef,
		2907	tooltip => "Shows the items currently for sale in this shop",
		2908	},
		2909	"c/resistances" => {
		2910	id => "infobox",
		2911	title => "Resistances",
		2912	reply => undef,
		2913	tooltip => "Shows your resistances",
		2914	},
		2915	"c/pets" => {
		2916	id => "infobox",
		2917	title => "Pets",
		2918	reply => undef,
		2919	tooltip => "Shows information abotu your pets/a specific pet",
		2920	},
		2921	"c/perceiveself" => {
		2922	id => "infobox",
		2923	title => "Perceive Self",
		2924	reply => undef,
		2925	tooltip => "You gained detailed knowledge about yourself",
		2926	},
		2927	"c/uptime" => {
		2928	id => "infobox",
		2929	title => "Uptime",
		2930	reply => undef,
		2931	tooltip => "How long the server has been running since last restart",
		2932	},
		2933	"c/mapinfo" => {
		2934	id => "infobox",
		2935	title => "Map Info",
		2936	reply => undef,
		2937	tooltip => "Information related to the maps",
		2938	},
		2939	"c/party" => {
		2940	id => "party",
		2941	title => "Party",
		2942	reply => "gsay ",
		2943	tooltip => "Messages and chat related to your party",
		2944	},
		2945	"c/death" => {
		2946	id => "death",
		2947	title => "Death",
		2948	reply => undef,
		2949	tooltip => "Reason for and more info about your most recent death",
		2950	},
		2951	"c/say" => $SAY_CHANNEL,
		2952	"c/chat" => $CHAT_CHANNEL,
		2953	);
		2954
		2955	sub cf::client::send_msg {
		2956	my ($self, $channel, $msg, $color, @extra) = @_;
		2957
		2958	$msg = $self->pl->expand_cfpod ($msg)
		2959	unless $color & cf::NDI_VERBATIM;
		2960
		2961	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2962
		2963	# check predefined channels, for the benefit of C
		2964	if ($CHANNEL{$channel}) {
		2965	$channel = $CHANNEL{$channel};
		2966
		2967	$self->ext_msg (channel_info => $channel);
		2968	$channel = $channel->{id};
		2969
		2970	} elsif (ref $channel) {
		2971	# send meta info to client, if not yet sent
		2972	unless (exists $self->{channel}{$channel->{id}}) {
		2973	$self->{channel}{$channel->{id}} = $channel;
		2974	$self->ext_msg (channel_info => $channel);
		2975	}
		2976
		2977	$channel = $channel->{id};
		2978	}
		2979
		2980	return unless @extra || length $msg;
		2981
		2982	# default colour, mask it out
		2983	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2984	if $color & cf::NDI_DEF;
		2985
		2986	my $pkt = "msg "
		2987	. $self->{json_coder}->encode (
		2988	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2989	);
		2990
		2991	$self->send_big_packet ($pkt);
		2992	}
		2993
2173	=item $client->ext_event ($type, %msg)	2994	=item $client->ext_msg ($type, @msg)
2174		2995
2175	Sends an exti event to the client.	2996	Sends an ext event to the client.
2176		2997
2177	=cut	2998	=cut
2178		2999
2179	sub cf::client::ext_event($$%) {	3000	sub cf::client::ext_msg($$@) {
2180	my ($self, $type, %msg) = @_;	3001	my ($self, $type, @msg) = @_;
2181		3002
		3003	if ($self->extcmd == 2) {
		3004	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3005	} elsif ($self->extcmd == 1) { # TODO: remove
2182	$msg{msgtype} = "event_$type";	3006	push @msg, msgtype => "event_$type";
2183	$self->send_packet ("ext " . cf::to_json \%msg);	3007	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3008	}
		3009	}
		3010
		3011	=item $client->ext_reply ($msgid, @msg)
		3012
		3013	Sends an ext reply to the client.
		3014
		3015	=cut
		3016
		3017	sub cf::client::ext_reply($$@) {
		3018	my ($self, $id, @msg) = @_;
		3019
		3020	if ($self->extcmd == 2) {
		3021	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3022	} elsif ($self->extcmd == 1) {
		3023	#TODO: version 1, remove
		3024	unshift @msg, msgtype => "reply", msgid => $id;
		3025	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3026	}
2184	}	3027	}
2185		3028
2186	=item $success = $client->query ($flags, "text", \&cb)	3029	=item $success = $client->query ($flags, "text", \&cb)
2187		3030
2188	Queues a query to the client, calling the given callback with	3031	Queues a query to the client, calling the given callback with
2189	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3032	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2190	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3033	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2191		3034
2192	Queries can fail, so check the return code. Or don't, as queries will become	3035	Queries can fail, so check the return code. Or don't, as queries will
2193	reliable at some point in the future.	3036	become reliable at some point in the future.
2194		3037
2195	=cut	3038	=cut
2196		3039
2197	sub cf::client::query {	3040	sub cf::client::query {
2198	my ($self, $flags, $text, $cb) = @_;	3041	my ($self, $flags, $text, $cb) = @_;
…		…
2206	utf8::encode $text;	3049	utf8::encode $text;
2207	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3050	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2208		3051
2209	$self->send_packet ($self->{query_queue}[0][0])	3052	$self->send_packet ($self->{query_queue}[0][0])
2210	if @{ $self->{query_queue} } == 1;	3053	if @{ $self->{query_queue} } == 1;
		3054
		3055	1
2211	}	3056	}
2212		3057
2213	cf::client->attach (	3058	cf::client->attach (
		3059	on_connect => sub {
		3060	my ($ns) = @_;
		3061
		3062	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3063	},
2214	on_reply => sub {	3064	on_reply => sub {
2215	my ($ns, $msg) = @_;	3065	my ($ns, $msg) = @_;
2216		3066
2217	# this weird shuffling is so that direct followup queries	3067	# this weird shuffling is so that direct followup queries
2218	# get handled first	3068	# get handled first
…		…
2230	} else {	3080	} else {
2231	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3081	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2232	}	3082	}
2233	}	3083	}
2234	},	3084	},
		3085	on_exticmd => sub {
		3086	my ($ns, $buf) = @_;
		3087
		3088	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3089
		3090	if (ref $msg) {
		3091	my ($type, $reply, @payload) =
		3092	"ARRAY" eq ref $msg
		3093	? @$msg
		3094	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3095
		3096	my @reply;
		3097
		3098	if (my $cb = $EXTICMD{$type}) {
		3099	@reply = $cb->($ns, @payload);
		3100	}
		3101
		3102	$ns->ext_reply ($reply, @reply)
		3103	if $reply;
		3104
		3105	} else {
		3106	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3107	}
		3108
		3109	cf::override;
		3110	},
2235	);	3111	);
2236		3112
2237	=item $client->async (\&cb)	3113	=item $client->async (\&cb)
2238		3114
2239	Create a new coroutine, running the specified callback. The coroutine will	3115	Create a new coroutine, running the specified callback. The coroutine will
…		…
2280	our $safe = new Safe "safe";	3156	our $safe = new Safe "safe";
2281	our $safe_hole = new Safe::Hole;	3157	our $safe_hole = new Safe::Hole;
2282		3158
2283	$SIG{FPE} = 'IGNORE';	3159	$SIG{FPE} = 'IGNORE';
2284		3160
2285	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3161	$safe->permit_only (Opcode::opset qw(
		3162	:base_core :base_mem :base_orig :base_math :base_loop
		3163	grepstart grepwhile mapstart mapwhile
		3164	sort time
		3165	));
2286		3166
2287	# here we export the classes and methods available to script code	3167	# here we export the classes and methods available to script code
2288		3168
2289	=pod	3169	=pod
2290		3170
2291	The following functions and methods are available within a safe environment:	3171	The following functions and methods are available within a safe environment:
2292		3172
2293	cf::object contr pay_amount pay_player map	3173	cf::object
		3174	contr pay_amount pay_player map x y force_find force_add destroy
		3175	insert remove name archname title slaying race decrease split
		3176	value
		3177
2294	cf::object::player player	3178	cf::object::player
2295	cf::player peaceful	3179	player
2296	cf::map trigger	3180
		3181	cf::player
		3182	peaceful
		3183
		3184	cf::map
		3185	trigger
2297		3186
2298	=cut	3187	=cut
2299		3188
2300	for (	3189	for (
2301	["cf::object" => qw(contr pay_amount pay_player map)],	3190	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3191	insert remove inv nrof name archname title slaying race
		3192	decrease split destroy change_exp value msg lore send_msg)],
2302	["cf::object::player" => qw(player)],	3193	["cf::object::player" => qw(player)],
2303	["cf::player" => qw(peaceful)],	3194	["cf::player" => qw(peaceful send_msg)],
2304	["cf::map" => qw(trigger)],	3195	["cf::map" => qw(trigger)],
2305	) {	3196	) {
2306	no strict 'refs';	3197	no strict 'refs';
2307	my ($pkg, @funs) = @$_;	3198	my ($pkg, @funs) = @$_;
2308	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3199	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2326		3217
2327	my $qcode = $code;	3218	my $qcode = $code;
2328	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3219	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2329	$qcode =~ s/\n/\\n/g;	3220	$qcode =~ s/\n/\\n/g;
2330		3221
		3222	%vars = (_dummy => 0) unless %vars;
		3223
		3224	my @res;
2331	local $_;	3225	local $_;
2332	local @safe::cf::_safe_eval_args = values %vars;
2333		3226
2334	my $eval =	3227	my $eval =
2335	"do {\n"	3228	"do {\n"
2336	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3229	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2337	. "#line 0 \"{$qcode}\"\n"	3230	. "#line 0 \"{$qcode}\"\n"
2338	. $code	3231	. $code
2339	. "\n}"	3232	. "\n}"
2340	;	3233	;
2341		3234
		3235	if ($CFG{safe_eval}) {
2342	sub_generation_inc;	3236	sub_generation_inc;
		3237	local @safe::cf::_safe_eval_args = values %vars;
2343	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3238	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2344	sub_generation_inc;	3239	sub_generation_inc;
		3240	} else {
		3241	local @cf::_safe_eval_args = values %vars;
		3242	@res = wantarray ? eval eval : scalar eval $eval;
		3243	}
2345		3244
2346	if ($@) {	3245	if ($@) {
2347	warn "$@";	3246	warn "$@";
2348	warn "while executing safe code '$code'\n";	3247	warn "while executing safe code '$code'\n";
2349	warn "with arguments " . (join " ", %vars) . "\n";	3248	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2368	=cut	3267	=cut
2369		3268
2370	sub register_script_function {	3269	sub register_script_function {
2371	my ($fun, $cb) = @_;	3270	my ($fun, $cb) = @_;
2372		3271
2373	no strict 'refs';	3272	$fun = "safe::$fun" if $CFG{safe_eval};
2374	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3273	*$fun = $safe_hole->wrap ($cb);
2375	}	3274	}
2376		3275
2377	=back	3276	=back
2378		3277
2379	=cut	3278	=cut
2380
2381	#############################################################################
2382
2383	=head2 EXTENSION DATABASE SUPPORT
2384
2385	Crossfire maintains a very simple database for extension use. It can
2386	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2387	convert to/from binary).
2388
2389	The parameter C<$family> should best start with the name of the extension
2390	using it, it should be unique.
2391
2392	=over 4
2393
2394	=item $value = cf::db_get $family => $key
2395
2396	Returns a single value from the database.
2397
2398	=item cf::db_put $family => $key => $value
2399
2400	Stores the given C<$value> in the family.
2401
2402	=cut
2403
2404	our $DB;
2405
2406	sub db_init {
2407	unless ($DB) {
2408	$DB = BDB::db_create $DB_ENV;
2409
2410	cf::sync_job {
2411	eval {
2412	$DB->set_flags (BDB::CHKSUM);
2413
2414	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2415	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2416	cf::cleanup "db_open(db): $!" if $!;
2417	};
2418	cf::cleanup "db_open(db): $@" if $@;
2419	};
2420	}
2421	}
2422
2423	sub db_get($$) {
2424	my $key = "$_[0]/$_[1]";
2425
2426	cf::sync_job {
2427	BDB::db_get $DB, undef, $key, my $data;
2428
2429	$! ? ()
2430	: $data
2431	}
2432	}
2433
2434	sub db_put($$$) {
2435	BDB::dbreq_pri 4;
2436	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2437	}
2438
2439	=item cf::cache $id => [$paths...], $processversion => $process
2440
2441	Generic caching function that returns the value of the resource $id,
2442	caching and regenerating as required.
2443
2444	This function can block.
2445
2446	=cut
2447
2448	sub cache {
2449	my ($id, $src, $processversion, $process) = @_;
2450
2451	my $meta =
2452	join "\x00",
2453	$processversion,
2454	map {
2455	aio_stat $_
2456	and Carp::croak "$_: $!";
2457
2458	($_, (stat _)[7,9])
2459	} @$src;
2460
2461	my $dbmeta = db_get cache => "$id/meta";
2462	if ($dbmeta ne $meta) {
2463	# changed, we may need to process
2464
2465	my @data;
2466	my $md5;
2467
2468	for (0 .. $#$src) {
2469	0 <= aio_load $src->[$_], $data[$_]
2470	or Carp::croak "$src->[$_]: $!";
2471	}
2472
2473	# if processing is expensive, check
2474	# checksum first
2475	if (1) {
2476	$md5 =
2477	join "\x00",
2478	$processversion,
2479	map {
2480	Coro::cede;
2481	($src->[$_], Digest::MD5::md5_hex $data[$_])
2482	} 0.. $#$src;
2483
2484
2485	my $dbmd5 = db_get cache => "$id/md5";
2486	if ($dbmd5 eq $md5) {
2487	db_put cache => "$id/meta", $meta;
2488
2489	return db_get cache => "$id/data";
2490	}
2491	}
2492
2493	my $t1 = Time::HiRes::time;
2494	my $data = $process->(\@data);
2495	my $t2 = Time::HiRes::time;
2496
2497	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2498
2499	db_put cache => "$id/data", $data;
2500	db_put cache => "$id/md5" , $md5;
2501	db_put cache => "$id/meta", $meta;
2502
2503	return $data;
2504	}
2505
2506	db_get cache => "$id/data"
2507	}
2508
2509	=item fork_call { }, $args
2510
2511	Executes the given code block with the given arguments in a seperate
2512	process, returning the results. Everything must be serialisable with
2513	Coro::Storable. May, of course, block. Note that the executed sub may
2514	never block itself or use any form of Event handling.
2515
2516	=cut
2517
2518	sub fork_call(&@) {
2519	my ($cb, @args) = @_;
2520
2521	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2522	# or die "socketpair: $!";
2523	pipe my $fh1, my $fh2
2524	or die "pipe: $!";
2525
2526	if (my $pid = fork) {
2527	close $fh2;
2528
2529	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2530	$res = Coro::Storable::thaw $res;
2531
2532	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2533
2534	die $$res unless "ARRAY" eq ref $res;
2535
2536	return wantarray ? @$res : $res->[-1];
2537	} else {
2538	reset_signals;
2539	local $SIG{__WARN__};
2540	local $SIG{__DIE__};
2541	eval {
2542	close $fh1;
2543
2544	my @res = eval { $cb->(@args) };
2545	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2546	};
2547
2548	warn $@ if $@;
2549	_exit 0;
2550	}
2551	}
2552		3279
2553	#############################################################################	3280	#############################################################################
2554	# the server's init and main functions	3281	# the server's init and main functions
2555		3282
2556	sub load_facedata($) {	3283	sub load_facedata($) {
2557	my ($path) = @_;	3284	my ($path) = @_;
		3285
		3286	# HACK to clear player env face cache, we need some signal framework
		3287	# for this (global event?)
		3288	%ext::player_env::MUSIC_FACE_CACHE = ();
		3289
		3290	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2558		3291
2559	warn "loading facedata from $path\n";	3292	warn "loading facedata from $path\n";
2560		3293
2561	my $facedata;	3294	my $facedata;
2562	0 < aio_load $path, $facedata	3295	0 < aio_load $path, $facedata
…		…
2565	$facedata = Coro::Storable::thaw $facedata;	3298	$facedata = Coro::Storable::thaw $facedata;
2566		3299
2567	$facedata->{version} == 2	3300	$facedata->{version} == 2
2568	or cf::cleanup "$path: version mismatch, cannot proceed.";	3301	or cf::cleanup "$path: version mismatch, cannot proceed.";
2569		3302
		3303	# patch in the exptable
		3304	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3305	$facedata->{resource}{"res/exp_table"} = {
		3306	type => FT_RSRC,
		3307	data => $exp_table,
		3308	hash => (Digest::MD5::md5 $exp_table),
		3309	};
		3310	cf::cede_to_tick;
		3311
2570	{	3312	{
2571	my $faces = $facedata->{faceinfo};	3313	my $faces = $facedata->{faceinfo};
2572		3314
2573	while (my ($face, $info) = each %$faces) {	3315	while (my ($face, $info) = each %$faces) {
2574	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3316	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3317
2575	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3318	cf::face::set_visibility $idx, $info->{visibility};
		3319	cf::face::set_magicmap $idx, $info->{magicmap};
2576	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3320	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2577	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3321	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2578	Coro::cede;	3322
		3323	cf::cede_to_tick;
2579	}	3324	}
2580		3325
2581	while (my ($face, $info) = each %$faces) {	3326	while (my ($face, $info) = each %$faces) {
2582	next unless $info->{smooth};	3327	next unless $info->{smooth};
		3328
2583	my $idx = cf::face::find $face	3329	my $idx = cf::face::find $face
2584	or next;	3330	or next;
		3331
2585	if (my $smooth = cf::face::find $info->{smooth}) {	3332	if (my $smooth = cf::face::find $info->{smooth}) {
		3333	cf::face::set_smooth $idx, $smooth;
2586	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3334	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2587	} else {	3335	} else {
2588	warn "smooth face '$info->{smooth}' not found for face '$face'";	3336	warn "smooth face '$info->{smooth}' not found for face '$face'";
2589	}	3337	}
2590	Coro::cede;	3338
		3339	cf::cede_to_tick;
2591	}	3340	}
2592	}	3341	}
2593		3342
2594	{	3343	{
2595	my $anims = $facedata->{animinfo};	3344	my $anims = $facedata->{animinfo};
2596		3345
2597	while (my ($anim, $info) = each %$anims) {	3346	while (my ($anim, $info) = each %$anims) {
2598	cf::anim::set $anim, $info->{frames}, $info->{facings};	3347	cf::anim::set $anim, $info->{frames}, $info->{facings};
2599	Coro::cede;	3348	cf::cede_to_tick;
2600	}	3349	}
2601		3350
2602	cf::anim::invalidate_all; # d'oh	3351	cf::anim::invalidate_all; # d'oh
2603	}	3352	}
2604		3353
		3354	{
		3355	my $res = $facedata->{resource};
		3356
		3357	while (my ($name, $info) = each %$res) {
		3358	if (defined $info->{type}) {
		3359	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3360
		3361	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3362	cf::face::set_type $idx, $info->{type};
		3363	} else {
		3364	$RESOURCE{$name} = $info;
		3365	}
		3366
		3367	cf::cede_to_tick;
		3368	}
		3369	}
		3370
		3371	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3372
2605	1	3373	1
2606	}	3374	}
2607		3375
		3376	cf::global->attach (on_resource_update => sub {
		3377	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3378	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3379
		3380	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3381	my $sound = $soundconf->{compat}[$_]
		3382	or next;
		3383
		3384	my $face = cf::face::find "sound/$sound->[1]";
		3385	cf::sound::set $sound->[0] => $face;
		3386	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3387	}
		3388
		3389	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3390	my $face = cf::face::find "sound/$v";
		3391	cf::sound::set $k => $face;
		3392	}
		3393	}
		3394	});
		3395
		3396	register_exticmd fx_want => sub {
		3397	my ($ns, $want) = @_;
		3398
		3399	while (my ($k, $v) = each %$want) {
		3400	$ns->fx_want ($k, $v);
		3401	}
		3402	};
		3403
		3404	sub load_resource_file($) {
		3405	my $guard = lock_acquire "load_resource_file";
		3406
		3407	my $status = load_resource_file_ $_[0];
		3408	get_slot 0.1, 100;
		3409	cf::arch::commit_load;
		3410
		3411	$status
		3412	}
		3413
2608	sub reload_regions {	3414	sub reload_regions {
		3415	# HACK to clear player env face cache, we need some signal framework
		3416	# for this (global event?)
		3417	%ext::player_env::MUSIC_FACE_CACHE = ();
		3418
2609	load_resource_file "$MAPDIR/regions"	3419	load_resource_file "$MAPDIR/regions"
2610	or die "unable to load regions file\n";	3420	or die "unable to load regions file\n";
		3421
		3422	for (cf::region::list) {
		3423	$_->{match} = qr/$_->{match}/
		3424	if exists $_->{match};
		3425	}
2611	}	3426	}
2612		3427
2613	sub reload_facedata {	3428	sub reload_facedata {
2614	load_facedata "$DATADIR/facedata"	3429	load_facedata "$DATADIR/facedata"
2615	or die "unable to load facedata\n";	3430	or die "unable to load facedata\n";
…		…
2626	}	3441	}
2627		3442
2628	sub reload_resources {	3443	sub reload_resources {
2629	warn "reloading resource files...\n";	3444	warn "reloading resource files...\n";
2630		3445
		3446	reload_facedata;
		3447	reload_archetypes;
2631	reload_regions;	3448	reload_regions;
2632	reload_facedata;
2633	#reload_archetypes;#d#
2634	reload_archetypes;
2635	reload_treasures;	3449	reload_treasures;
2636		3450
2637	warn "finished reloading resource files\n";	3451	warn "finished reloading resource files\n";
2638	}	3452	}
2639		3453
2640	sub init {	3454	sub reload_config {
2641	reload_resources;	3455	warn "reloading config file...\n";
2642	}
2643		3456
2644	sub cfg_load {
2645	open my $fh, "<:utf8", "$CONFDIR/config"	3457	open my $fh, "<:utf8", "$CONFDIR/config"
2646	or return;	3458	or return;
2647		3459
2648	local $/;	3460	local $/;
2649	*CFG = YAML::Syck::Load <$fh>;	3461	*CFG = YAML::XS::Load scalar <$fh>;
2650		3462
2651	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3463	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2652		3464
2653	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3465	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2654	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3466	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2658	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3470	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2659	and die "WARNING: m(un)lockall failed: $!\n";	3471	and die "WARNING: m(un)lockall failed: $!\n";
2660	};	3472	};
2661	warn $@ if $@;	3473	warn $@ if $@;
2662	}	3474	}
		3475
		3476	warn "finished reloading resource files\n";
		3477	}
		3478
		3479	sub pidfile() {
		3480	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3481	or die "$PIDFILE: $!";
		3482	flock $fh, &Fcntl::LOCK_EX
		3483	or die "$PIDFILE: flock: $!";
		3484	$fh
		3485	}
		3486
		3487	# make sure only one server instance is running at any one time
		3488	sub atomic {
		3489	my $fh = pidfile;
		3490
		3491	my $pid = <$fh>;
		3492	kill 9, $pid if $pid > 0;
		3493
		3494	seek $fh, 0, 0;
		3495	print $fh $$;
		3496	}
		3497
		3498	sub main_loop {
		3499	warn "EV::loop starting\n";
		3500	if (1) {
		3501	EV::loop;
		3502	}
		3503	warn "EV::loop returned\n";
		3504	goto &main_loop unless $REALLY_UNLOOP;
2663	}	3505	}
2664		3506
2665	sub main {	3507	sub main {
		3508	cf::init_globals; # initialise logging
		3509
		3510	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3511	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3512	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3513	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3514
		3515	cf::init_experience;
		3516	cf::init_anim;
		3517	cf::init_attackmess;
		3518	cf::init_dynamic;
		3519
		3520	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3521
2666	# we must not ever block the main coroutine	3522	# we must not ever block the main coroutine
2667	local $Coro::idle = sub {	3523	local $Coro::idle = sub {
2668	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3524	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2669	(async {	3525	(async {
2670	Event::one_event;	3526	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3527	EV::loop EV::LOOP_ONESHOT;
2671	})->prio (Coro::PRIO_MAX);	3528	})->prio (Coro::PRIO_MAX);
2672	};	3529	};
2673		3530
2674	cfg_load;	3531	evthread_start IO::AIO::poll_fileno;
		3532
		3533	cf::sync_job {
		3534	cf::load_settings;
		3535	cf::load_materials;
		3536
		3537	reload_resources;
		3538	reload_config;
2675	db_init;	3539	db_init;
		3540
		3541	cf::init_uuid;
		3542	cf::init_signals;
		3543	cf::init_commands;
		3544	cf::init_skills;
		3545
		3546	cf::init_beforeplay;
		3547
		3548	atomic;
		3549
2676	load_extensions;	3550	load_extensions;
2677		3551
2678	$TICK_WATCHER->start;	3552	utime time, time, $RUNTIMEFILE;
2679	Event::loop;	3553
		3554	# no (long-running) fork's whatsoever before this point(!)
		3555	use POSIX ();
		3556	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3557
		3558	(pop @POST_INIT)->(0) while @POST_INIT;
		3559	};
		3560
		3561	main_loop;
2680	}	3562	}
2681		3563
2682	#############################################################################	3564	#############################################################################
2683	# initialisation and cleanup	3565	# initialisation and cleanup
2684		3566
2685	# install some emergency cleanup handlers	3567	# install some emergency cleanup handlers
2686	BEGIN {	3568	BEGIN {
		3569	our %SIGWATCHER = ();
2687	for my $signal (qw(INT HUP TERM)) {	3570	for my $signal (qw(INT HUP TERM)) {
2688	Event->signal (	3571	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2689	reentrant => 0,
2690	data => WF_AUTOCANCEL,
2691	signal => $signal,
2692	prio => 0,
2693	cb => sub {
2694	cf::cleanup "SIG$signal";	3572	cf::cleanup "SIG$signal";
2695	},
2696	);	3573	};
		3574	}
		3575	}
		3576
		3577	sub write_runtime_sync {
		3578	# first touch the runtime file to show we are still running:
		3579	# the fsync below can take a very very long time.
		3580
		3581	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3582
		3583	my $guard = cf::lock_acquire "write_runtime";
		3584
		3585	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3586	or return;
		3587
		3588	my $value = $cf::RUNTIME + 90 + 10;
		3589	# 10 is the runtime save interval, for a monotonic clock
		3590	# 60 allows for the watchdog to kill the server.
		3591
		3592	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3593	and return;
		3594
		3595	# always fsync - this file is important
		3596	aio_fsync $fh
		3597	and return;
		3598
		3599	# touch it again to show we are up-to-date
		3600	aio_utime $fh, undef, undef;
		3601
		3602	close $fh
		3603	or return;
		3604
		3605	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3606	and return;
		3607
		3608	warn "runtime file written.\n";
		3609
2697	}	3610	1
		3611	}
		3612
		3613	our $uuid_lock;
		3614	our $uuid_skip;
		3615
		3616	sub write_uuid_sync($) {
		3617	$uuid_skip ||= $_[0];
		3618
		3619	return if $uuid_lock;
		3620	local $uuid_lock = 1;
		3621
		3622	my $uuid = "$LOCALDIR/uuid";
		3623
		3624	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3625	or return;
		3626
		3627	my $value = uuid_seq uuid_cur;
		3628
		3629	unless ($value) {
		3630	warn "cowardly refusing to write zero uuid value!\n";
		3631	return;
		3632	}
		3633
		3634	my $value = uuid_str $value + $uuid_skip;
		3635	$uuid_skip = 0;
		3636
		3637	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3638	and return;
		3639
		3640	# always fsync - this file is important
		3641	aio_fsync $fh
		3642	and return;
		3643
		3644	close $fh
		3645	or return;
		3646
		3647	aio_rename "$uuid~", $uuid
		3648	and return;
		3649
		3650	warn "uuid file written ($value).\n";
		3651
		3652	1
		3653
		3654	}
		3655
		3656	sub write_uuid($$) {
		3657	my ($skip, $sync) = @_;
		3658
		3659	$sync ? write_uuid_sync $skip
		3660	: async { write_uuid_sync $skip };
2698	}	3661	}
2699		3662
2700	sub emergency_save() {	3663	sub emergency_save() {
2701	my $freeze_guard = cf::freeze_mainloop;	3664	my $freeze_guard = cf::freeze_mainloop;
2702		3665
2703	warn "enter emergency perl save\n";	3666	warn "emergency_perl_save: enter\n";
2704		3667
2705	cf::sync_job {	3668	cf::sync_job {
		3669	# this is a trade-off: we want to be very quick here, so
		3670	# save all maps without fsync, and later call a global sync
		3671	# (which in turn might be very very slow)
		3672	local $USE_FSYNC = 0;
		3673
2706	# use a peculiar iteration method to avoid tripping on perl	3674	# use a peculiar iteration method to avoid tripping on perl
2707	# refcount bugs in for. also avoids problems with players	3675	# refcount bugs in for. also avoids problems with players
2708	# and maps saved/destroyed asynchronously.	3676	# and maps saved/destroyed asynchronously.
2709	warn "begin emergency player save\n";	3677	warn "emergency_perl_save: begin player save\n";
2710	for my $login (keys %cf::PLAYER) {	3678	for my $login (keys %cf::PLAYER) {
2711	my $pl = $cf::PLAYER{$login} or next;	3679	my $pl = $cf::PLAYER{$login} or next;
2712	$pl->valid or next;	3680	$pl->valid or next;
		3681	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2713	$pl->save;	3682	$pl->save;
2714	}	3683	}
2715	warn "end emergency player save\n";	3684	warn "emergency_perl_save: end player save\n";
2716		3685
2717	warn "begin emergency map save\n";	3686	warn "emergency_perl_save: begin map save\n";
2718	for my $path (keys %cf::MAP) {	3687	for my $path (keys %cf::MAP) {
2719	my $map = $cf::MAP{$path} or next;	3688	my $map = $cf::MAP{$path} or next;
2720	$map->valid or next;	3689	$map->valid or next;
2721	$map->save;	3690	$map->save;
2722	}	3691	}
2723	warn "end emergency map save\n";	3692	warn "emergency_perl_save: end map save\n";
2724		3693
2725	warn "begin emergency database checkpoint\n";	3694	warn "emergency_perl_save: begin database checkpoint\n";
2726	BDB::db_env_txn_checkpoint $DB_ENV;	3695	BDB::db_env_txn_checkpoint $DB_ENV;
2727	warn "end emergency database checkpoint\n";	3696	warn "emergency_perl_save: end database checkpoint\n";
		3697
		3698	warn "emergency_perl_save: begin write uuid\n";
		3699	write_uuid_sync 1;
		3700	warn "emergency_perl_save: end write uuid\n";
2728	};	3701	};
2729		3702
		3703	warn "emergency_perl_save: starting sync()\n";
		3704	IO::AIO::aio_sync sub {
		3705	warn "emergency_perl_save: finished sync()\n";
		3706	};
		3707
2730	warn "leave emergency perl save\n";	3708	warn "emergency_perl_save: leave\n";
2731	}	3709	}
2732		3710
2733	sub post_cleanup {	3711	sub post_cleanup {
2734	my ($make_core) = @_;	3712	my ($make_core) = @_;
2735		3713
2736	warn Carp::longmess "post_cleanup backtrace"	3714	warn Carp::longmess "post_cleanup backtrace"
2737	if $make_core;	3715	if $make_core;
		3716
		3717	my $fh = pidfile;
		3718	unlink $PIDFILE if <$fh> == $$;
		3719	}
		3720
		3721	# a safer delete_package, copied from Symbol
		3722	sub clear_package($) {
		3723	my $pkg = shift;
		3724
		3725	# expand to full symbol table name if needed
		3726	unless ($pkg =~ /^main::.*::$/) {
		3727	$pkg = "main$pkg" if $pkg =~ /^::/;
		3728	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3729	$pkg .= '::' unless $pkg =~ /::$/;
		3730	}
		3731
		3732	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3733	my $stem_symtab = *{$stem}{HASH};
		3734
		3735	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3736	or return;
		3737
		3738	# clear all symbols
		3739	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3740	for my $name (keys %$leaf_symtab) {
		3741	_gv_clear *{"$pkg$name"};
		3742	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3743	}
		3744	warn "cleared package $pkg\n";#d#
2738	}	3745	}
2739		3746
2740	sub do_reload_perl() {	3747	sub do_reload_perl() {
2741	# can/must only be called in main	3748	# can/must only be called in main
2742	if ($Coro::current != $Coro::main) {	3749	if ($Coro::current != $Coro::main) {
2743	warn "can only reload from main coroutine";	3750	warn "can only reload from main coroutine";
2744	return;	3751	return;
2745	}	3752	}
2746		3753
		3754	return if $RELOAD++;
		3755
		3756	my $t1 = EV::time;
		3757
		3758	while ($RELOAD) {
2747	warn "reloading...";	3759	warn "reloading...";
2748		3760
2749	warn "entering sync_job";	3761	warn "entering sync_job";
2750		3762
2751	cf::sync_job {	3763	cf::sync_job {
2752	cf::write_runtime; # external watchdog should not bark	3764	cf::write_runtime_sync; # external watchdog should not bark
2753	cf::emergency_save;	3765	cf::emergency_save;
2754	cf::write_runtime; # external watchdog should not bark	3766	cf::write_runtime_sync; # external watchdog should not bark
2755		3767
2756	warn "syncing database to disk";	3768	warn "syncing database to disk";
2757	BDB::db_env_txn_checkpoint $DB_ENV;	3769	BDB::db_env_txn_checkpoint $DB_ENV;
2758		3770
2759	# if anything goes wrong in here, we should simply crash as we already saved	3771	# if anything goes wrong in here, we should simply crash as we already saved
2760		3772
2761	warn "cancelling all WF_AUTOCANCEL watchers";
2762	for (Event::all_watchers) {
2763	$_->cancel if $_->data & WF_AUTOCANCEL;
2764	}
2765
2766	warn "flushing outstanding aio requests";	3773	warn "flushing outstanding aio requests";
2767	for (;;) {
2768	BDB::flush;
2769	IO::AIO::flush;
2770	Coro::cede;
2771	last unless IO::AIO::nreqs || BDB::nreqs;	3774	while (IO::AIO::nreqs || BDB::nreqs) {
2772	warn "iterate...";	3775	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2773	}
2774
2775	++$RELOAD;
2776
2777	warn "cancelling all extension coros";
2778	$_->cancel for values %EXT_CORO;
2779	%EXT_CORO = ();
2780
2781	warn "removing commands";
2782	%COMMAND = ();
2783
2784	warn "removing ext commands";
2785	%EXTCMD = ();
2786
2787	warn "unloading/nuking all extensions";
2788	for my $pkg (@EXTS) {
2789	warn "... unloading $pkg";
2790
2791	if (my $cb = $pkg->can ("unload")) {
2792	eval {
2793	$cb->($pkg);
2794	1
2795	} or warn "$pkg unloaded, but with errors: $@";
2796	}	3776	}
2797		3777
2798	warn "... nuking $pkg";	3778	warn "cancelling all extension coros";
2799	Symbol::delete_package $pkg;	3779	$_->cancel for values %EXT_CORO;
2800	}	3780	%EXT_CORO = ();
2801		3781
2802	warn "unloading all perl modules loaded from $LIBDIR";	3782	warn "removing commands";
2803	while (my ($k, $v) = each %INC) {	3783	%COMMAND = ();
2804	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2805		3784
		3785	warn "removing ext/exti commands";
		3786	%EXTCMD = ();
		3787	%EXTICMD = ();
		3788
		3789	warn "unloading/nuking all extensions";
		3790	for my $pkg (@EXTS) {
2806	warn "... unloading $k";	3791	warn "... unloading $pkg";
2807	delete $INC{$k};
2808		3792
2809	$k =~ s/\.pm$//;
2810	$k =~ s/\//::/g;
2811
2812	if (my $cb = $k->can ("unload_module")) {	3793	if (my $cb = $pkg->can ("unload")) {
		3794	eval {
2813	$cb->();	3795	$cb->($pkg);
		3796	1
		3797	} or warn "$pkg unloaded, but with errors: $@";
		3798	}
		3799
		3800	warn "... clearing $pkg";
		3801	clear_package $pkg;
2814	}	3802	}
2815		3803
2816	Symbol::delete_package $k;	3804	warn "unloading all perl modules loaded from $LIBDIR";
		3805	while (my ($k, $v) = each %INC) {
		3806	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3807
		3808	warn "... unloading $k";
		3809	delete $INC{$k};
		3810
		3811	$k =~ s/\.pm$//;
		3812	$k =~ s/\//::/g;
		3813
		3814	if (my $cb = $k->can ("unload_module")) {
		3815	$cb->();
		3816	}
		3817
		3818	clear_package $k;
2817	}	3819	}
2818		3820
2819	warn "getting rid of safe::, as good as possible";	3821	warn "getting rid of safe::, as good as possible";
2820	Symbol::delete_package "safe::$_"	3822	clear_package "safe::$_"
2821	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3823	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2822		3824
2823	warn "unloading cf.pm \"a bit\"";	3825	warn "unloading cf.pm \"a bit\"";
2824	delete $INC{"cf.pm"};	3826	delete $INC{"cf.pm"};
2825	delete $INC{"cf/pod.pm"};	3827	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2826		3828
2827	# don't, removes xs symbols, too,	3829	# don't, removes xs symbols, too,
2828	# and global variables created in xs	3830	# and global variables created in xs
2829	#Symbol::delete_package __PACKAGE__;	3831	#clear_package __PACKAGE__;
2830		3832
2831	warn "unload completed, starting to reload now";	3833	warn "unload completed, starting to reload now";
2832		3834
2833	warn "reloading cf.pm";	3835	warn "reloading cf.pm";
2834	require cf;	3836	require cf;
2835	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3837	cf::_connect_to_perl_1;
2836		3838
2837	warn "loading config and database again";	3839	warn "loading config and database again";
2838	cf::cfg_load;	3840	cf::reload_config;
2839		3841
2840	warn "loading extensions";	3842	warn "loading extensions";
2841	cf::load_extensions;	3843	cf::load_extensions;
2842		3844
		3845	if ($REATTACH_ON_RELOAD) {
2843	warn "reattaching attachments to objects/players";	3846	warn "reattaching attachments to objects/players";
2844	_global_reattach; # objects, sockets	3847	_global_reattach; # objects, sockets
2845	warn "reattaching attachments to maps";	3848	warn "reattaching attachments to maps";
2846	reattach $_ for values %MAP;	3849	reattach $_ for values %MAP;
2847	warn "reattaching attachments to players";	3850	warn "reattaching attachments to players";
2848	reattach $_ for values %PLAYER;	3851	reattach $_ for values %PLAYER;
		3852	}
2849		3853
		3854	warn "running post_init jobs";
		3855	(pop @POST_INIT)->(1) while @POST_INIT;
		3856
2850	warn "leaving sync_job";	3857	warn "leaving sync_job";
2851		3858
2852	1	3859	1
2853	} or do {	3860	} or do {
2854	warn $@;	3861	warn $@;
2855	warn "error while reloading, exiting.";	3862	cf::cleanup "error while reloading, exiting.";
2856	exit 1;
2857	};	3863	};
2858		3864
2859	warn "reloaded";	3865	warn "reloaded";
		3866	--$RELOAD;
		3867	}
		3868
		3869	$t1 = EV::time - $t1;
		3870	warn "reload completed in ${t1}s\n";
2860	};	3871	};
2861		3872
2862	our $RELOAD_WATCHER; # used only during reload	3873	our $RELOAD_WATCHER; # used only during reload
2863		3874
2864	sub reload_perl() {	3875	sub reload_perl() {
2865	# doing reload synchronously and two reloads happen back-to-back,	3876	# doing reload synchronously and two reloads happen back-to-back,
2866	# coro crashes during coro_state_free->destroy here.	3877	# coro crashes during coro_state_free->destroy here.
2867		3878
2868	$RELOAD_WATCHER ||= Event->timer (	3879	$RELOAD_WATCHER ||= cf::async {
2869	reentrant => 0,	3880	Coro::AIO::aio_wait cache_extensions;
2870	after => 0,	3881
2871	data => WF_AUTOCANCEL,	3882	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2872	cb => sub {
2873	do_reload_perl;	3883	do_reload_perl;
2874	undef $RELOAD_WATCHER;	3884	undef $RELOAD_WATCHER;
2875	},	3885	};
2876	);	3886	};
2877	}	3887	}
2878		3888
2879	register_command "reload" => sub {	3889	register_command "reload" => sub {
2880	my ($who, $arg) = @_;	3890	my ($who, $arg) = @_;
2881		3891
2882	if ($who->flag (FLAG_WIZ)) {	3892	if ($who->flag (FLAG_WIZ)) {
2883	$who->message ("reloading server.");	3893	$who->message ("reloading server.");
		3894	async {
		3895	$Coro::current->{desc} = "perl_reload";
2884	async { reload_perl };	3896	reload_perl;
		3897	};
2885	}	3898	}
2886	};	3899	};
2887		3900
2888	unshift @INC, $LIBDIR;	3901	unshift @INC, $LIBDIR;
2889		3902
…		…
2891		3904
2892	our @WAIT_FOR_TICK;	3905	our @WAIT_FOR_TICK;
2893	our @WAIT_FOR_TICK_BEGIN;	3906	our @WAIT_FOR_TICK_BEGIN;
2894		3907
2895	sub wait_for_tick {	3908	sub wait_for_tick {
2896	return unless $TICK_WATCHER->is_active;
2897	return if $Coro::current == $Coro::main;	3909	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2898		3910
2899	my $signal = new Coro::Signal;	3911	my $signal = new Coro::Signal;
2900	push @WAIT_FOR_TICK, $signal;	3912	push @WAIT_FOR_TICK, $signal;
2901	$signal->wait;	3913	$signal->wait;
2902	}	3914	}
2903		3915
2904	sub wait_for_tick_begin {	3916	sub wait_for_tick_begin {
2905	return unless $TICK_WATCHER->is_active;
2906	return if $Coro::current == $Coro::main;	3917	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2907		3918
2908	my $signal = new Coro::Signal;	3919	my $signal = new Coro::Signal;
2909	push @WAIT_FOR_TICK_BEGIN, $signal;	3920	push @WAIT_FOR_TICK_BEGIN, $signal;
2910	$signal->wait;	3921	$signal->wait;
2911	}	3922	}
2912		3923
2913	my $min = 1e6;#d#	3924	sub tick {
2914	my $avg = 10;
2915	$TICK_WATCHER = Event->timer (
2916	reentrant => 0,
2917	parked => 1,
2918	prio => 0,
2919	at => $NEXT_TICK || $TICK,
2920	data => WF_AUTOCANCEL,
2921	cb => sub {
2922	if ($Coro::current != $Coro::main) {	3925	if ($Coro::current != $Coro::main) {
2923	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3926	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2924	unless ++$bug_warning > 10;	3927	unless ++$bug_warning > 10;
2925	return;	3928	return;
2926	}	3929	}
2927		3930
2928	$NOW = $tick_start = Event::time;
2929
2930	cf::server_tick; # one server iteration	3931	cf::server_tick; # one server iteration
2931		3932
2932	0 && sync_job {#d#	3933	#for(1..3e6){} EV::now_update; $NOW=EV::now; # generate load #d#
2933	for(1..10) {
2934	my $t = Event::time;
2935	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2936	or die;
2937		3934
2938	$map->width (50);	3935	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2939	$map->height (50);	3936	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2940	$map->alloc;	3937	Coro::async_pool {
2941	$map->_load_objects ("/tmp/x.map", 1);	3938	$Coro::current->{desc} = "runtime saver";
2942	my $t = Event::time - $t;	3939	write_runtime_sync
2943		3940	or warn "ERROR: unable to write runtime file: $!";
2944	#next unless $t < 0.0013;#d#
2945	if ($t < $min) {
2946	$min = $t;
2947	}
2948	$avg = $avg * 0.99 + $t * 0.01;
2949	}
2950	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2951	exit 0;
2952	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2953	};	3941	};
		3942	}
2954		3943
2955	$RUNTIME += $TICK;
2956	$NEXT_TICK += $TICK;
2957
2958	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2959	$NEXT_RUNTIME_WRITE = $NOW + 10;
2960	Coro::async_pool {
2961	write_runtime
2962	or warn "ERROR: unable to write runtime file: $!";
2963	};
2964	}
2965
2966	# my $AFTER = Event::time;
2967	# warn $AFTER - $NOW;#d#
2968
2969	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3944	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2970	$sig->send;	3945	$sig->send;
2971	}	3946	}
2972	while (my $sig = shift @WAIT_FOR_TICK) {	3947	while (my $sig = shift @WAIT_FOR_TICK) {
2973	$sig->send;	3948	$sig->send;
2974	}	3949	}
2975		3950
2976	$NOW = Event::time;	3951	$LOAD = ($NOW - $TICK_START) / $TICK;
2977
2978	# if we are delayed by four ticks or more, skip them all
2979	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2980
2981	$TICK_WATCHER->at ($NEXT_TICK);
2982	$TICK_WATCHER->start;
2983
2984	$LOAD = ($NOW - $tick_start) / $TICK;
2985	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3952	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2986		3953
2987	_post_tick;	3954	if (0) {
2988		3955	if ($NEXT_TICK) {
2989		3956	my $jitter = $TICK_START - $NEXT_TICK;
		3957	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3958	warn "jitter $JITTER\n";#d#
		3959	}
2990	},	3960	}
2991	);	3961	}
2992		3962
2993	{	3963	{
2994	BDB::max_poll_time $TICK * 0.1;	3964	# configure BDB
2995	$BDB_POLL_WATCHER = Event->io (	3965
2996	reentrant => 0,
2997	fd => BDB::poll_fileno,
2998	poll => 'r',
2999	prio => 0,
3000	data => WF_AUTOCANCEL,
3001	cb => \&BDB::poll_cb,
3002	);
3003	BDB::min_parallel 8;	3966	BDB::min_parallel 16;
3004		3967	BDB::max_poll_reqs $TICK * 0.1;
3005	BDB::set_sync_prepare {	3968	$AnyEvent::BDB::WATCHER->priority (1);
3006	my $status;
3007	my $current = $Coro::current;
3008	(
3009	sub {
3010	$status = $!;
3011	$current->ready; undef $current;
3012	},
3013	sub {
3014	Coro::schedule while defined $current;
3015	$! = $status;
3016	},
3017	)
3018	};
3019		3969
3020	unless ($DB_ENV) {	3970	unless ($DB_ENV) {
3021	$DB_ENV = BDB::db_env_create;	3971	$DB_ENV = BDB::db_env_create;
		3972	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3973	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3974	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3975	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3976	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3022		3977
3023	cf::sync_job {	3978	cf::sync_job {
3024	eval {	3979	eval {
3025	BDB::db_env_open	3980	BDB::db_env_open
3026	$DB_ENV,	3981	$DB_ENV,
…		…
3028	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3983	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3029	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3984	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3030	0666;	3985	0666;
3031		3986
3032	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3987	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3033
3034	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3035	$DB_ENV->set_lk_detect;
3036	};	3988	};
3037		3989
3038	cf::cleanup "db_env_open(db): $@" if $@;	3990	cf::cleanup "db_env_open(db): $@" if $@;
3039	};	3991	};
3040	}	3992	}
		3993
		3994	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3995	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3996	};
		3997	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3998	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3999	};
		4000	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4001	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4002	};
3041	}	4003	}
3042		4004
3043	{	4005	{
		4006	# configure IO::AIO
		4007
3044	IO::AIO::min_parallel 8;	4008	IO::AIO::min_parallel 8;
3045
3046	undef $Coro::AIO::WATCHER;
3047	IO::AIO::max_poll_time $TICK * 0.1;	4009	IO::AIO::max_poll_time $TICK * 0.1;
3048	$AIO_POLL_WATCHER = Event->io (	4010	undef $AnyEvent::AIO::WATCHER;
3049	reentrant => 0,
3050	data => WF_AUTOCANCEL,
3051	fd => IO::AIO::poll_fileno,
3052	poll => 'r',
3053	prio => 6,
3054	cb => \&IO::AIO::poll_cb,
3055	);
3056	}	4011	}
3057		4012
3058	my $_log_backtrace;	4013	my $_log_backtrace;
3059		4014
3060	sub _log_backtrace {	4015	sub _log_backtrace {
…		…
3063	$msg =~ s/\n//;	4018	$msg =~ s/\n//;
3064		4019
3065	# limit the # of concurrent backtraces	4020	# limit the # of concurrent backtraces
3066	if ($_log_backtrace < 2) {	4021	if ($_log_backtrace < 2) {
3067	++$_log_backtrace;	4022	++$_log_backtrace;
		4023	my $perl_bt = Carp::longmess $msg;
3068	async {	4024	async {
		4025	$Coro::current->{desc} = "abt $msg";
		4026
3069	my @bt = fork_call {	4027	my @bt = fork_call {
3070	@addr = map { sprintf "%x", $_ } @addr;	4028	@addr = map { sprintf "%x", $_ } @addr;
3071	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4029	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3072	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4030	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3073	or die "addr2line: $!";	4031	or die "addr2line: $!";
…		…
3081	}	4039	}
3082		4040
3083	@funcs	4041	@funcs
3084	};	4042	};
3085		4043
3086	LOG llevInfo, "[ABT] $msg\n";	4044	LOG llevInfo, "[ABT] $perl_bt\n";
		4045	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3087	LOG llevInfo, "[ABT] $_\n" for @bt;	4046	LOG llevInfo, "[ABT] $_\n" for @bt;
3088	--$_log_backtrace;	4047	--$_log_backtrace;
3089	};	4048	};
3090	} else {	4049	} else {
3091	LOG llevInfo, "[ABT] $msg\n";	4050	LOG llevInfo, "[ABT] $msg\n";
3092	LOG llevInfo, "[ABT] [suppressed]\n";	4051	LOG llevInfo, "[ABT] [suppressed]\n";
3093	}	4052	}
3094	}	4053	}
3095		4054
3096	# load additional modules	4055	# load additional modules
3097	use cf::pod;	4056	require "cf/$_.pm" for @EXTRA_MODULES;
		4057	cf::_connect_to_perl_2;
3098		4058
3099	END { cf::emergency_save }	4059	END { cf::emergency_save }
3100		4060
3101	1	4061	1
3102		4062

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