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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.285 by root, Sun Jun 24 04:21:42 2007 UTC vs.
Revision 1.506 by root, Wed Feb 3 20:48:22 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Socket;	31	use Socket;
9	use Storable;	32	use EV;
10	use Event;
11	use Opcode;	33	use Opcode;
12	use Safe;	34	use Safe;
13	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
14		38
		39	use Guard ();
15	use Coro 3.61 ();	40	use Coro ();
16	use Coro::State;	41	use Coro::State;
17	use Coro::Handle;	42	use Coro::Handle;
		43	use Coro::EV;
18	use Coro::Event;	44	use Coro::AnyEvent;
19	use Coro::Timer;	45	use Coro::Timer;
20	use Coro::Signal;	46	use Coro::Signal;
21	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
22	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
23	use Coro::Storable;	52	use Coro::Storable;
		53	use Coro::Util ();
24		54
		55	use JSON::XS 2.01 ();
25	use BDB ();	56	use BDB ();
26	use Data::Dumper;	57	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	58	use Fcntl;
29	use YAML::Syck ();	59	use YAML::XS ();
30	use IO::AIO 2.32 ();	60	use IO::AIO ();
31	use Time::HiRes;	61	use Time::HiRes;
32	use Compress::LZF;	62	use Compress::LZF;
		63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
33		66
34	# configure various modules to our taste	67	# configure various modules to our taste
35	#	68	#
36	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		77
40	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
41		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		80
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
59		96
60	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	98	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE;
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	};
211		296
212	#############################################################################	297	#############################################################################
213		298
214	=head2 UTILITY FUNCTIONS	299	=head2 UTILITY FUNCTIONS
…		…
236	$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;
237	$d	322	$d
238	} || "[unable to dump $_[0]: '$@']";	323	} || "[unable to dump $_[0]: '$@']";
239	}	324	}
240		325
241	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
242
243	=item $ref = cf::from_json $json	326	=item $ref = cf::decode_json $json
244		327
245	Converts a JSON string into the corresponding perl data structure.	328	Converts a JSON string into the corresponding perl data structure.
246		329
247	=item $json = cf::to_json $ref	330	=item $json = cf::encode_json $ref
248		331
249	Converts a perl data structure into its JSON representation.	332	Converts a perl data structure into its JSON representation.
250		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
251	=item cf::lock_wait $string	355	=item cf::lock_wait $string
252		356
253	Wait until the given lock is available. See cf::lock_acquire.	357	Wait until the given lock is available. See cf::lock_acquire.
254		358
255	=item my $lock = cf::lock_acquire $string	359	=item my $lock = cf::lock_acquire $string
256		360
257	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
258	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,
259	for example when the coroutine gets canceled), the lock is automatically	363	for example when the coroutine gets canceled), the lock is automatically
260	returned.	364	returned.
261		365
		366	Locks are *not* recursive, locking from the same coro twice results in a
		367	deadlocked coro.
		368
262	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
263	uses map_find and cf::map::load uses map_load).	370	uses map_find and cf::map::load uses map_load).
264		371
265	=item $locked = cf::lock_active $string	372	=item $locked = cf::lock_active $string
266		373
267	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.
268		375
269	=cut	376	=cut
270		377
271	our %LOCK;	378	our $LOCKS = new Coro::SemaphoreSet;
272		379
273	sub lock_wait($) {	380	sub lock_wait($) {
274	my ($key) = @_;	381	$LOCKS->wait ($_[0]);
275
276	# wait for lock, if any
277	while ($LOCK{$key}) {
278	push @{ $LOCK{$key} }, $Coro::current;
279	Coro::schedule;
280	}
281	}	382	}
282		383
283	sub lock_acquire($) {	384	sub lock_acquire($) {
284	my ($key) = @_;	385	$LOCKS->guard ($_[0])
285
286	# wait, to be sure we are not locked
287	lock_wait $key;
288
289	$LOCK{$key} = [];
290
291	Coro::guard {
292	# wake up all waiters, to be on the safe side
293	$_->ready for @{ delete $LOCK{$key} };
294	}
295	}	386	}
296		387
297	sub lock_active($) {	388	sub lock_active($) {
298	my ($key) = @_;	389	$LOCKS->count ($_[0]) < 1
299
300	! ! $LOCK{$key}
301	}	390	}
302		391
303	sub freeze_mainloop {	392	sub freeze_mainloop {
304	return unless $TICK_WATCHER->is_active;	393	tick_inhibit_inc;
305		394
306	my $guard = Coro::guard {	395	&Guard::guard (\&tick_inhibit_dec);
307	$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($$) {
		406	my ($interval, $cb) = @_;
		407
		408	my $start = rand List::Util::min 180, $interval;
		409
		410	EV::periodic $start, $interval, 0, $cb
		411	}
		412
		413	=item cf::get_slot $time[, $priority[, $name]]
		414
		415	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		416	This call blocks and returns only when you have at least C<$time> seconds
		417	of cpu time till the next tick. The slot is only valid till the next cede.
		418
		419	The optional C<$name> can be used to identify the job to run. It might be
		420	used for statistical purposes and should identify the same time-class.
		421
		422	Useful for short background jobs.
		423
		424	=cut
		425
		426	our @SLOT_QUEUE;
		427	our $SLOT_QUEUE;
		428	our $SLOT_DECAY = 0.9;
		429
		430	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		431	$SLOT_QUEUE = Coro::async {
		432	$Coro::current->desc ("timeslot manager");
		433
		434	my $signal = new Coro::Signal;
		435	my $busy;
		436
		437	while () {
		438	next_job:
		439
		440	my $avail = cf::till_tick;
		441
		442	for (0 .. $#SLOT_QUEUE) {
		443	if ($SLOT_QUEUE[$_][0] <= $avail) {
		444	$busy = 0;
		445	my $job = splice @SLOT_QUEUE, $_, 1, ();
		446	$job->[2]->send;
		447	Coro::cede;
		448	goto next_job;
		449	} else {
		450	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		451	}
		452	}
		453
		454	if (@SLOT_QUEUE) {
		455	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		456	push @cf::WAIT_FOR_TICK, $signal;
		457	$signal->wait;
		458	} else {
		459	$busy = 0;
		460	Coro::schedule;
		461	}
308	};	462	}
309	$TICK_WATCHER->stop;	463	};
310	$guard	464
		465	sub get_slot($;$$) {
		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	$sig->wait;
311	}	478	}
312		479
313	=item cf::async { BLOCK }	480	=item cf::async { BLOCK }
314		481
315	Currently the same as Coro::async_pool, meaning you cannot use	482	Currently the same as Coro::async_pool, meaning you cannot use
…		…
320		487
321	BEGIN { *async = \&Coro::async_pool }	488	BEGIN { *async = \&Coro::async_pool }
322		489
323	=item cf::sync_job { BLOCK }	490	=item cf::sync_job { BLOCK }
324		491
325	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	492	The design of Deliantra requires that the main coroutine ($Coro::main)
326	is always able to handle events or runnable, as Crossfire TRT is only	493	is always able to handle events or runnable, as Deliantra is only
327	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	494	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
328	acceptable.	495	acceptable.
329		496
330	If it must be done, put the blocking parts into C<sync_job>. This will run	497	If it must be done, put the blocking parts into C<sync_job>. This will run
331	the given BLOCK in another coroutine while waiting for the result. The	498	the given BLOCK in another coroutine while waiting for the result. The
…		…
336		503
337	sub sync_job(&) {	504	sub sync_job(&) {
338	my ($job) = @_;	505	my ($job) = @_;
339		506
340	if ($Coro::current == $Coro::main) {	507	if ($Coro::current == $Coro::main) {
341	my $time = Event::time;	508	my $time = EV::time;
342		509
343	# this is the main coro, too bad, we have to block	510	# this is the main coro, too bad, we have to block
344	# till the operation succeeds, freezing the server :/	511	# till the operation succeeds, freezing the server :/
345		512
346	# TODO: use suspend/resume instead	513	LOG llevError, Carp::longmess "sync job";#d#
347	# (but this is cancel-safe)	514
348	my $freeze_guard = freeze_mainloop;	515	my $freeze_guard = freeze_mainloop;
349		516
350	my $busy = 1;	517	my $busy = 1;
351	my @res;	518	my @res;
352		519
353	(async {	520	(async {
		521	$Coro::current->desc ("sync job coro");
354	@res = eval { $job->() };	522	@res = eval { $job->() };
355	warn $@ if $@;	523	warn $@ if $@;
356	undef $busy;	524	undef $busy;
357	})->prio (Coro::PRIO_MAX);	525	})->prio (Coro::PRIO_MAX);
358		526
359	while ($busy) {	527	while ($busy) {
360	Coro::cede or Event::one_event;	528	if (Coro::nready) {
		529	Coro::cede_notself;
		530	} else {
		531	EV::loop EV::LOOP_ONESHOT;
361	}	532	}
		533	}
362		534
363	$time = Event::time - $time;	535	my $time = EV::time - $time;
364		536
365	LOG llevError | logBacktrace, Carp::longmess "long sync job"
366	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
367
368	$tick_start += $time; # do not account sync jobs to server load	537	$TICK_START += $time; # do not account sync jobs to server load
369		538
370	wantarray ? @res : $res[0]	539	wantarray ? @res : $res[0]
371	} else {	540	} else {
372	# we are in another coroutine, how wonderful, everything just works	541	# we are in another coroutine, how wonderful, everything just works
373		542
…		…
398	=item fork_call { }, $args	567	=item fork_call { }, $args
399		568
400	Executes the given code block with the given arguments in a seperate	569	Executes the given code block with the given arguments in a seperate
401	process, returning the results. Everything must be serialisable with	570	process, returning the results. Everything must be serialisable with
402	Coro::Storable. May, of course, block. Note that the executed sub may	571	Coro::Storable. May, of course, block. Note that the executed sub may
403	never block itself or use any form of Event handling.	572	never block itself or use any form of event handling.
404		573
405	=cut	574	=cut
406		575
407	sub fork_call(&@) {	576	sub fork_call(&@) {
408	my ($cb, @args) = @_;	577	my ($cb, @args) = @_;
409		578
410	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	579	# we seemingly have to make a local copy of the whole thing,
411	# or die "socketpair: $!";	580	# otherwise perl prematurely frees the stuff :/
412	pipe my $fh1, my $fh2	581	# TODO: investigate and fix (likely this will be rather laborious)
413	or die "pipe: $!";
414		582
415	if (my $pid = fork) {	583	my @res = Coro::Util::fork_eval {
416	close $fh2;
417
418	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
419	$res = Coro::Storable::thaw $res;
420
421	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
422
423	die $$res unless "ARRAY" eq ref $res;
424
425	return wantarray ? @$res : $res->[-1];
426	} else {
427	reset_signals;	584	reset_signals;
428	local $SIG{__WARN__};	585	&$cb
429	local $SIG{__DIE__};	586	}, @args;
430	eval {
431	close $fh1;
432		587
433	my @res = eval { $cb->(@args) };	588	wantarray ? @res : $res[-1]
434	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);	589	}
435	};
436		590
437	warn $@ if $@;	591	=item $coin = coin_from_name $name
438	_exit 0;	592
439	}	593	=cut
		594
		595	our %coin_alias = (
		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	);
		611
		612	sub coin_from_name($) {
		613	$coin_alias{$_[0]}
		614	? cf::arch::find $coin_alias{$_[0]}
		615	: undef
440	}	616	}
441		617
442	=item $value = cf::db_get $family => $key	618	=item $value = cf::db_get $family => $key
443		619
444	Returns a single value from the environment database.	620	Returns a single value from the environment database.
…		…
446	=item cf::db_put $family => $key => $value	622	=item cf::db_put $family => $key => $value
447		623
448	Stores the given C<$value> in the family. It can currently store binary	624	Stores the given C<$value> in the family. It can currently store binary
449	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	625	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
450		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
451	=cut	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	}
452		650
453	our $DB;	651	our $DB;
454		652
455	sub db_init {	653	sub db_init {
456	unless ($DB) {
457	$DB = BDB::db_create $DB_ENV;
458
459	cf::sync_job {	654	cf::sync_job {
460	eval {	655	$DB ||= db_table "db";
461	$DB->set_flags (BDB::CHKSUM);
462
463	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
464	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
465	cf::cleanup "db_open(db): $!" if $!;
466	};
467	cf::cleanup "db_open(db): $@" if $@;
468	};
469	}	656	};
470	}	657	}
471		658
472	sub db_get($$) {	659	sub db_get($$) {
473	my $key = "$_[0]/$_[1]";	660	my $key = "$_[0]/$_[1]";
474		661
…		…
524	if (1) {	711	if (1) {
525	$md5 =	712	$md5 =
526	join "\x00",	713	join "\x00",
527	$processversion,	714	$processversion,
528	map {	715	map {
529	Coro::cede;	716	cf::cede_to_tick;
530	($src->[$_], Digest::MD5::md5_hex $data[$_])	717	($src->[$_], Digest::MD5::md5_hex $data[$_])
531	} 0.. $#$src;	718	} 0.. $#$src;
532		719
533		720
534	my $dbmd5 = db_get cache => "$id/md5";	721	my $dbmd5 = db_get cache => "$id/md5";
…		…
572		759
573	#############################################################################	760	#############################################################################
574		761
575	=head2 ATTACHABLE OBJECTS	762	=head2 ATTACHABLE OBJECTS
576		763
577	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
578	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")
579	to it. All such attachable objects support the following methods.	766	to it. All such attachable objects support the following methods.
580		767
581	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>
582	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
583	Crossfire TRT).	770	Deliantra).
584		771
585	=over 4	772	=over 4
586		773
587	=item $attachable->attach ($attachment, key => $value...)	774	=item $attachable->attach ($attachment, key => $value...)
588		775
…		…
632	=item cf::CLASS::attachment $name, ...	819	=item cf::CLASS::attachment $name, ...
633		820
634	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
635	given CLASS can refer to this attachment.	822	given CLASS can refer to this attachment.
636		823
637	Some classes such as crossfire maps and objects can specify attachments	824	Some classes such as deliantra maps and objects can specify attachments
638	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.
639		826
640	These calls expect any number of the following handler/hook descriptions:	827	These calls expect any number of the following handler/hook descriptions:
641		828
642	=over 4	829	=over 4
…		…
840	";	1027	";
841	die if $@;	1028	die if $@;
842	}	1029	}
843		1030
844	our $override;	1031	our $override;
845	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?
846		1033
847	sub override {	1034	sub override {
848	$override = 1;	1035	$override = 1;
849	@invoke_results = ();	1036	@INVOKE_RESULTS = (@_);
850	}	1037	}
851		1038
852	sub do_invoke {	1039	sub do_invoke {
853	my $event = shift;	1040	my $event = shift;
854	my $callbacks = shift;	1041	my $callbacks = shift;
855		1042
856	@invoke_results = ();	1043	@INVOKE_RESULTS = ();
857		1044
858	local $override;	1045	local $override;
859		1046
860	for (@$callbacks) {	1047	for (@$callbacks) {
861	eval { &{$_->[1]} };	1048	eval { &{$_->[1]} };
…		…
870	}	1057	}
871		1058
872	0	1059	0
873	}	1060	}
874		1061
875	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1062	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
876		1063
877	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1064	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
878		1065
879	Generate an object-specific event with the given arguments.	1066	Generate an object-specific event with the given arguments.
880		1067
881	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
882	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
883	results (if you must, access C<@cf::invoke_results> directly).	1070	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
884		1071
885	=back	1072	=back
886		1073
887	=cut	1074	=cut
888		1075
889	#############################################################################	1076	#############################################################################
890	# 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	}
891		1120
892	sub reattach {	1121	sub reattach {
893	# basically do the same as instantiate, without calling instantiate	1122	# basically do the same as instantiate, without calling instantiate
894	my ($obj) = @_;	1123	my ($obj) = @_;
895		1124
		1125	# no longer needed after getting rid of delete_package?
896	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
897		1127
898	my $registry = $obj->registry;	1128	my $registry = $obj->registry;
899		1129
900	@$registry = ();	1130	@$registry = ();
901		1131
…		…
916	cf::attachable->attach (	1146	cf::attachable->attach (
917	prio => -1000000,	1147	prio => -1000000,
918	on_instantiate => sub {	1148	on_instantiate => sub {
919	my ($obj, $data) = @_;	1149	my ($obj, $data) = @_;
920		1150
921	$data = from_json $data;	1151	$data = decode_json $data;
922		1152
923	for (@$data) {	1153	for (@$data) {
924	my ($name, $args) = @$_;	1154	my ($name, $args) = @$_;
925		1155
926	$obj->attach ($name, %{$args || {} });	1156	$obj->attach ($name, %{$args || {} });
…		…
942	sub object_freezer_save {	1172	sub object_freezer_save {
943	my ($filename, $rdata, $objs) = @_;	1173	my ($filename, $rdata, $objs) = @_;
944		1174
945	sync_job {	1175	sync_job {
946	if (length $$rdata) {	1176	if (length $$rdata) {
		1177	utf8::decode (my $decname = $filename);
947	warn sprintf "saving %s (%d,%d)\n",	1178	warn sprintf "saving %s (%d,%d)\n",
948	$filename, length $$rdata, scalar @$objs;	1179	$decname, length $$rdata, scalar @$objs;
949		1180
950	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1181	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
951	chmod SAVE_MODE, $fh;	1182	aio_chmod $fh, SAVE_MODE;
952	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1183	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
953	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	}
954	close $fh;	1188	aio_close $fh;
955		1189
956	if (@$objs) {	1190	if (@$objs) {
957	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) {
958	chmod SAVE_MODE, $fh;	1192	aio_chmod $fh, SAVE_MODE;
959	my $data = Storable::nfreeze { version => 1, objs => $objs };	1193	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
960	aio_write $fh, 0, (length $data), $data, 0;	1194	aio_write $fh, 0, (length $data), $data, 0;
961	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	}
962	close $fh;	1199	aio_close $fh;
963	aio_rename "$filename.pst~", "$filename.pst";	1200	aio_rename "$filename.pst~", "$filename.pst";
964	}	1201	}
965	} else {	1202	} else {
966	aio_unlink "$filename.pst";	1203	aio_unlink "$filename.pst";
967	}	1204	}
968		1205
969	aio_rename "$filename~", $filename;	1206	aio_rename "$filename~", $filename;
		1207
		1208	$filename =~ s%/[^/]+$%%;
		1209	aio_pathsync $filename if $cf::USE_FSYNC;
970	} else {	1210	} else {
971	warn "FATAL: $filename~: $!\n";	1211	warn "unable to save objects: $filename~: $!\n";
972	}	1212	}
973	} else {	1213	} else {
974	aio_unlink $filename;	1214	aio_unlink $filename;
975	aio_unlink "$filename.pst";	1215	aio_unlink "$filename.pst";
976	}	1216	}
977	}	1217	};
978	}	1218	}
979		1219
980	sub object_freezer_as_string {	1220	sub object_freezer_as_string {
981	my ($rdata, $objs) = @_;	1221	my ($rdata, $objs) = @_;
982		1222
…		…
994	or return;	1234	or return;
995		1235
996	unless (aio_stat "$filename.pst") {	1236	unless (aio_stat "$filename.pst") {
997	(aio_load "$filename.pst", $av) >= 0	1237	(aio_load "$filename.pst", $av) >= 0
998	or return;	1238	or return;
		1239
999	$av = eval { (Storable::thaw $av)->{objs} };	1240	my $st = eval { Coro::Storable::thaw $av };
		1241	$av = $st->{objs};
1000	}	1242	}
1001		1243
		1244	utf8::decode (my $decname = $filename);
1002	warn sprintf "loading %s (%d)\n",	1245	warn sprintf "loading %s (%d,%d)\n",
1003	$filename, length $data, scalar @{$av || []};	1246	$decname, length $data, scalar @{$av || []};
		1247
1004	return ($data, $av);	1248	($data, $av)
1005	}	1249	}
1006		1250
1007	=head2 COMMAND CALLBACKS	1251	=head2 COMMAND CALLBACKS
1008		1252
1009	=over 4	1253	=over 4
…		…
1029	push @{ $COMMAND{$name} }, [$caller, $cb];	1273	push @{ $COMMAND{$name} }, [$caller, $cb];
1030	}	1274	}
1031		1275
1032	=item cf::register_extcmd $name => \&callback($pl,$packet);	1276	=item cf::register_extcmd $name => \&callback($pl,$packet);
1033		1277
1034	Register a callback fro 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.
1035		1283
1036	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
1037	called.	1285	called.
1038		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
1039	=cut	1298	=cut
1040		1299
1041	sub register_extcmd {	1300	sub register_extcmd {
1042	my ($name, $cb) = @_;	1301	my ($name, $cb) = @_;
1043		1302
1044	$EXTCMD{$name} = $cb;	1303	$EXTCMD{$name} = $cb;
1045	}	1304	}
		1305
		1306	sub register_exticmd {
		1307	my ($name, $cb) = @_;
		1308
		1309	$EXTICMD{$name} = $cb;
		1310	}
		1311
		1312	use File::Glob ();
1046		1313
1047	cf::player->attach (	1314	cf::player->attach (
1048	on_command => sub {	1315	on_command => sub {
1049	my ($pl, $name, $params) = @_;	1316	my ($pl, $name, $params) = @_;
1050		1317
…		…
1058	cf::override;	1325	cf::override;
1059	},	1326	},
1060	on_extcmd => sub {	1327	on_extcmd => sub {
1061	my ($pl, $buf) = @_;	1328	my ($pl, $buf) = @_;
1062		1329
1063	my $msg = eval { from_json $buf };	1330	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1064		1331
1065	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
1066	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1340	if (my $cb = $EXTCMD{$type}) {
1067	if (my %reply = $cb->($pl, $msg)) {	1341	@reply = $cb->($pl, @payload);
1068	$pl->ext_reply ($msg->{msgid}, %reply);
1069	}
1070	}	1342	}
		1343
		1344	$pl->ext_reply ($reply, @reply)
		1345	if $reply;
		1346
1071	} else {	1347	} else {
1072	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1348	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1073	}	1349	}
1074		1350
1075	cf::override;	1351	cf::override;
1076	},	1352	},
1077	);	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	}
1078		1367
1079	sub load_extensions {	1368	sub load_extensions {
1080	cf::sync_job {	1369	cf::sync_job {
1081	my %todo;	1370	my %todo;
1082		1371
…		…
1102		1391
1103	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1392	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1104	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1393	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1105		1394
1106	$ext{source} =	1395	$ext{source} =
1107	"package $pkg; use strict; use utf8;\n"	1396	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1108	. "#line 1 \"$path\"\n{\n"	1397	. "#line 1 \"$path\"\n{\n"
1109	. $source	1398	. $source
1110	. "\n};\n1";	1399	. "\n};\n1";
1111		1400
1112	$todo{$base} = \%ext;	1401	$todo{$base} = \%ext;
1113	}	1402	}
1114		1403
		1404	my $pass = 0;
1115	my %done;	1405	my %done;
1116	while (%todo) {	1406	while (%todo) {
1117	my $progress;	1407	my $progress;
1118		1408
		1409	++$pass;
		1410
		1411	ext:
1119	while (my ($k, $v) = each %todo) {	1412	while (my ($k, $v) = each %todo) {
1120	for (split /,\s*/, $v->{meta}{depends}) {	1413	for (split /,\s*/, $v->{meta}{depends}) {
1121	goto skip	1414	next ext
1122	unless exists $done{$_};	1415	unless exists $done{$_};
1123	}	1416	}
1124		1417
1125	warn "... loading '$k' into '$v->{pkg}'\n";	1418	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1126		1419
1127	unless (eval $v->{source}) {	1420	my $active = eval $v->{source};
		1421
		1422	if (length $@) {
1128	my $msg = $@ ? "$v->{path}: $@\n"	1423	warn "$v->{path}: $@\n";
1129	: "$v->{base}: extension inactive.\n";
1130		1424
		1425	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1131	if (exists $v->{meta}{mandatory}) {	1426	if exists $v->{meta}{mandatory};
1132	warn $msg;	1427	} else {
1133	warn "mandatory extension failed to load, exiting.\n";	1428	$done{$k} = delete $todo{$k};
1134	exit 1;	1429	push @EXTS, $v->{pkg};
1135	}	1430	$progress = 1;
1136		1431
1137	warn $msg;	1432	warn "$v->{base}: extension inactive.\n"
		1433	unless $active;
1138	}	1434	}
1139
1140	$done{$k} = delete $todo{$k};
1141	push @EXTS, $v->{pkg};
1142	$progress = 1;
1143	}	1435	}
1144		1436
1145	skip:	1437	unless ($progress) {
1146	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1438	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1147	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	}
1148	}	1445	}
1149	};	1446	};
1150	}	1447	}
1151		1448
1152	#############################################################################	1449	#############################################################################
1153		1450
1154	=back	1451	=back
1155		1452
1156	=head2 CORE EXTENSIONS	1453	=head2 CORE EXTENSIONS
1157		1454
1158	Functions and methods that extend core crossfire objects.	1455	Functions and methods that extend core deliantra objects.
1159		1456
1160	=cut	1457	=cut
1161		1458
1162	package cf::player;	1459	package cf::player;
1163		1460
1164	use Coro::AIO;	1461	use Coro::AIO;
1165		1462
1166	=head3 cf::player	1463	=head3 cf::player
1167		1464
1168	=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	}
1169		1480
1170	=item cf::player::find $login	1481	=item cf::player::find $login
1171		1482
1172	Returns the given player object, loading it if necessary (might block).	1483	Returns the given player object, loading it if necessary (might block).
1173		1484
…		…
1192		1503
1193	sub exists($) {	1504	sub exists($) {
1194	my ($login) = @_;	1505	my ($login) = @_;
1195		1506
1196	$cf::PLAYER{$login}	1507	$cf::PLAYER{$login}
1197	or cf::sync_job { !aio_stat path $login }	1508	or !aio_stat path $login
1198	}	1509	}
1199		1510
1200	sub find($) {	1511	sub find($) {
1201	return $cf::PLAYER{$_[0]} || do {	1512	return $cf::PLAYER{$_[0]} || do {
1202	my $login = $_[0];	1513	my $login = $_[0];
…		…
1209	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1520	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1210	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1521	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1211	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1522	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1212	aio_unlink +(playerdir $login) . "/$login.pl";	1523	aio_unlink +(playerdir $login) . "/$login.pl";
1213		1524
1214	my $pl = load_pl path $login	1525	my $f = new_from_file cf::object::thawer path $login
1215	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;
1216	$cf::PLAYER{$login} = $pl	1533	$cf::PLAYER{$login} = $pl
1217	}	1534	}
1218	}	1535	}
1219	}	1536	}
1220		1537
…		…
1229	return if $pl->{deny_save};	1546	return if $pl->{deny_save};
1230		1547
1231	aio_mkdir playerdir $pl, 0770;	1548	aio_mkdir playerdir $pl, 0770;
1232	$pl->{last_save} = $cf::RUNTIME;	1549	$pl->{last_save} = $cf::RUNTIME;
1233		1550
		1551	cf::get_slot 0.01;
		1552
1234	$pl->save_pl ($path);	1553	$pl->save_pl ($path);
1235	Coro::cede;	1554	cf::cede_to_tick;
1236	}	1555	}
1237		1556
1238	sub new($) {	1557	sub new($) {
1239	my ($login) = @_;	1558	my ($login) = @_;
1240		1559
…		…
1246	$cf::PLAYER{$login} = $self;	1565	$cf::PLAYER{$login} = $self;
1247		1566
1248	$self	1567	$self
1249	}	1568	}
1250		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
1251	=item $pl->quit_character	1580	=item $pl->quit_character
1252		1581
1253	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
1254	be destroyed. May block for a long time.	1583	be destroyed. May block for a long time.
1255		1584
…		…
1259	my ($pl) = @_;	1588	my ($pl) = @_;
1260		1589
1261	my $name = $pl->ob->name;	1590	my $name = $pl->ob->name;
1262		1591
1263	$pl->{deny_save} = 1;	1592	$pl->{deny_save} = 1;
1264	$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
1265		1594
1266	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1595	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1267	$pl->deactivate;	1596	$pl->deactivate;
		1597	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1598	$pl->ob->check_score;
1268	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1599	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1269	$pl->ns->destroy if $pl->ns;	1600	$pl->ns->destroy if $pl->ns;
1270		1601
1271	my $path = playerdir $pl;	1602	my $path = playerdir $pl;
1272	my $temp = "$path~$cf::RUNTIME~deleting~";	1603	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1308	or return [];	1639	or return [];
1309		1640
1310	my @logins;	1641	my @logins;
1311		1642
1312	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") {
1313	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1649	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1314	aio_read $fh, 0, 512, my $buf, 0 or next;	1650	aio_read $fh, 0, 512, my $buf, 0 or next;
1315	$buf !~ /^password -------------$/m or next; # official not-valid tag	1651	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1652	}
1316		1653
1317	utf8::decode $login;	1654	utf8::decode $login;
1318	push @logins, $login;	1655	push @logins, $login;
1319	}	1656	}
1320		1657
…		…
1347	}	1684	}
1348		1685
1349	\@paths	1686	\@paths
1350	}	1687	}
1351		1688
1352	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1689	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1353		1690
1354	Expand crossfire pod fragments into protocol xml.	1691	Expand deliantra pod fragments into protocol xml.
1355		1692
1356	=cut
1357
1358	sub expand_cfpod {
1359	((my $self), (local $_)) = @_;
1360
1361	# escape & and <
1362	s/&/&amp;/g;
1363	s/(?<![BIUGH])</&lt;/g;
1364
1365	# this is buggy, it needs to properly take care of nested <'s
1366
1367	1 while
1368	# replace B<>, I<>, U<> etc.
1369	s/B<([^\>]*)>/<b>$1<\/b>/
1370	|| s/I<([^\>]*)>/<i>$1<\/i>/
1371	|| s/U<([^\>]*)>/<u>$1<\/u>/
1372	# replace G<male|female> tags
1373	|| s{G<([^>|]*)\|([^>]*)>}{
1374	$self->gender ? $2 : $1
1375	}ge
1376	# replace H<hint text>
1377	|| s/H<([^\>]*)>/<fg name="lightblue">[$1]<\/fg>/g;
1378
1379	# create single paragraphs (very hackish)
1380	s/(?<=\S)\n(?=\w)/ /g;
1381
1382	$_
1383	}
1384
1385	=item $player->ext_reply ($msgid, %msg)	1693	=item $player->ext_reply ($msgid, @msg)
1386		1694
1387	Sends an ext reply to the player.	1695	Sends an ext reply to the player.
1388		1696
1389	=cut	1697	=cut
1390		1698
1391	sub ext_reply($$%) {	1699	sub ext_reply($$@) {
1392	my ($self, $id, %msg) = @_;	1700	my ($self, $id, @msg) = @_;
1393		1701
1394	$msg{msgid} = $id;	1702	$self->ns->ext_reply ($id, @msg)
1395
1396	$self->send ("ext " . cf::to_json \%msg);
1397	}	1703	}
1398		1704
1399	=item $player->ext_event ($type, %msg)	1705	=item $player->ext_msg ($type, @msg)
1400		1706
1401	Sends an ext event to the client.	1707	Sends an ext event to the client.
1402		1708
1403	=cut	1709	=cut
1404		1710
1405	sub ext_event($$%) {	1711	sub ext_msg($$@) {
1406	my ($self, $type, %msg) = @_;	1712	my ($self, $type, @msg) = @_;
1407		1713
1408	$self->ns->ext_event ($type, %msg);	1714	$self->ns->ext_msg ($type, @msg);
1409	}	1715	}
1410		1716
1411	=head3 cf::region	1717	=head3 cf::region
1412		1718
1413	=over 4	1719	=over 4
…		…
1426	my ($path) = @_;	1732	my ($path) = @_;
1427		1733
1428	my ($match, $specificity);	1734	my ($match, $specificity);
1429		1735
1430	for my $region (list) {	1736	for my $region (list) {
1431	if ($region->match && $path =~ $region->match) {	1737	if ($region->{match} && $path =~ $region->{match}) {
1432	($match, $specificity) = ($region, $region->specificity)	1738	($match, $specificity) = ($region, $region->specificity)
1433	if $region->specificity > $specificity;	1739	if $region->specificity > $specificity;
1434	}	1740	}
1435	}	1741	}
1436		1742
…		…
1457	our $MAX_RESET = 3600;	1763	our $MAX_RESET = 3600;
1458	our $DEFAULT_RESET = 3000;	1764	our $DEFAULT_RESET = 3000;
1459		1765
1460	sub generate_random_map {	1766	sub generate_random_map {
1461	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
1462	# mit "rum" bekleckern, nicht	1771	# mit "rum" bekleckern, nicht
1463	$self->_create_random_map (	1772	$self->_create_random_map (
1464	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1773	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1465	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1774	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1466	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1775	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1556	$self->init; # pass $1 etc.	1865	$self->init; # pass $1 etc.
1557	return $self;	1866	return $self;
1558	}	1867	}
1559	}	1868	}
1560		1869
1561	Carp::carp "unable to resolve path '$path' (base '$base').";	1870	Carp::cluck "unable to resolve path '$path' (base '$base').";
1562	()	1871	()
1563	}	1872	}
1564		1873
1565	sub init {	1874	sub init {
1566	my ($self) = @_;	1875	my ($self) = @_;
…		…
1588		1897
1589	# the temporary/swap location	1898	# the temporary/swap location
1590	sub save_path {	1899	sub save_path {
1591	my ($self) = @_;	1900	my ($self) = @_;
1592		1901
1593	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1902	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1594	"$TMPDIR/$path.map"	1903	"$TMPDIR/$path.map"
1595	}	1904	}
1596		1905
1597	# the unique path, undef == no special unique path	1906	# the unique path, undef == no special unique path
1598	sub uniq_path {	1907	sub uniq_path {
1599	my ($self) = @_;	1908	my ($self) = @_;
1600		1909
1601	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1910	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1602	"$UNIQUEDIR/$path"	1911	"$UNIQUEDIR/$path"
1603	}
1604
1605	# and all this just because we cannot iterate over
1606	# all maps in C++...
1607	sub change_all_map_light {
1608	my ($change) = @_;
1609
1610	$_->change_map_light ($change)
1611	for grep $_->outdoor, values %cf::MAP;
1612	}	1912	}
1613		1913
1614	sub decay_objects {	1914	sub decay_objects {
1615	my ($self) = @_;	1915	my ($self) = @_;
1616		1916
…		…
1629		1929
1630	sub load_header_from($) {	1930	sub load_header_from($) {
1631	my ($self, $path) = @_;	1931	my ($self, $path) = @_;
1632		1932
1633	utf8::encode $path;	1933	utf8::encode $path;
1634	#aio_open $path, O_RDONLY, 0	1934	my $f = new_from_file cf::object::thawer $path
1635	# or return;
1636
1637	$self->_load_header ($path)
1638	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;
1639		1942
1640	$self->{load_path} = $path;	1943	$self->{load_path} = $path;
1641		1944
1642	1	1945	1
1643	}	1946	}
…		…
1697	sub find {	2000	sub find {
1698	my ($path, $origin) = @_;	2001	my ($path, $origin) = @_;
1699		2002
1700	$path = normalise $path, $origin && $origin->path;	2003	$path = normalise $path, $origin && $origin->path;
1701		2004
		2005	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1702	cf::lock_wait "map_find:$path";	2006	my $guard2 = cf::lock_acquire "map_find:$path";
1703		2007
1704	$cf::MAP{$path} || do {	2008	$cf::MAP{$path} || do {
1705	my $guard = cf::lock_acquire "map_find:$path";
1706	my $map = new_from_path cf::map $path	2009	my $map = new_from_path cf::map $path
1707	or return;	2010	or return;
1708		2011
1709	$map->{last_save} = $cf::RUNTIME;	2012	$map->{last_save} = $cf::RUNTIME;
1710		2013
…		…
1712	or return;	2015	or return;
1713		2016
1714	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2017	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1715	# doing this can freeze the server in a sync job, obviously	2018	# doing this can freeze the server in a sync job, obviously
1716	#$cf::WAIT_FOR_TICK->wait;	2019	#$cf::WAIT_FOR_TICK->wait;
		2020	undef $guard2;
		2021	undef $guard1;
1717	$map->reset;	2022	$map->reset;
1718	undef $guard;
1719	return find $path;	2023	return find $path;
1720	}	2024	}
1721		2025
1722	$cf::MAP{$path} = $map	2026	$cf::MAP{$path} = $map
1723	}	2027	}
1724	}	2028	}
1725		2029
1726	sub pre_load { }	2030	sub pre_load { }
1727	sub post_load { }	2031	#sub post_load { } # XS
1728		2032
1729	sub load {	2033	sub load {
1730	my ($self) = @_;	2034	my ($self) = @_;
1731		2035
1732	local $self->{deny_reset} = 1; # loading can take a long time	2036	local $self->{deny_reset} = 1; # loading can take a long time
1733		2037
1734	my $path = $self->{path};	2038	my $path = $self->{path};
1735		2039
1736	{	2040	{
1737	my $guard = cf::lock_acquire "map_load:$path";	2041	my $guard = cf::lock_acquire "map_data:$path";
1738		2042
		2043	return unless $self->valid;
1739	return if $self->in_memory != cf::MAP_SWAPPED;	2044	return unless $self->in_memory == cf::MAP_SWAPPED;
1740		2045
1741	$self->in_memory (cf::MAP_LOADING);	2046	$self->in_memory (cf::MAP_LOADING);
1742		2047
1743	$self->alloc;	2048	$self->alloc;
1744		2049
1745	$self->pre_load;	2050	$self->pre_load;
1746	Coro::cede;	2051	cf::cede_to_tick;
1747		2052
		2053	my $f = new_from_file cf::object::thawer $self->{load_path};
		2054	$f->skip_block;
1748	$self->_load_objects ($self->{load_path}, 1)	2055	$self->_load_objects ($f)
1749	or return;	2056	or return;
1750		2057
1751	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2058	$self->post_load_original
1752	if delete $self->{load_original};	2059	if delete $self->{load_original};
1753		2060
1754	if (my $uniq = $self->uniq_path) {	2061	if (my $uniq = $self->uniq_path) {
1755	utf8::encode $uniq;	2062	utf8::encode $uniq;
1756	if (aio_open $uniq, O_RDONLY, 0) {	2063	unless (aio_stat $uniq) {
		2064	if (my $f = new_from_file cf::object::thawer $uniq) {
1757	$self->clear_unique_items;	2065	$self->clear_unique_items;
1758	$self->_load_objects ($uniq, 0);	2066	$self->_load_objects ($f);
		2067	$f->resolve_delayed_derefs;
		2068	}
1759	}	2069	}
1760	}	2070	}
1761		2071
1762	Coro::cede;	2072	$f->resolve_delayed_derefs;
		2073
		2074	cf::cede_to_tick;
1763	# now do the right thing for maps	2075	# now do the right thing for maps
1764	$self->link_multipart_objects;	2076	$self->link_multipart_objects;
1765	$self->difficulty ($self->estimate_difficulty)	2077	$self->difficulty ($self->estimate_difficulty)
1766	unless $self->difficulty;	2078	unless $self->difficulty;
1767	Coro::cede;	2079	cf::cede_to_tick;
1768		2080
1769	unless ($self->{deny_activate}) {	2081	unless ($self->{deny_activate}) {
1770	$self->decay_objects;	2082	$self->decay_objects;
1771	$self->fix_auto_apply;	2083	$self->fix_auto_apply;
1772	$self->update_buttons;	2084	$self->update_buttons;
1773	Coro::cede;	2085	cf::cede_to_tick;
1774	$self->set_darkness_map;
1775	Coro::cede;
1776	$self->activate;	2086	$self->activate;
1777	}	2087	}
1778		2088
		2089	$self->{last_save} = $cf::RUNTIME;
		2090	$self->last_access ($cf::RUNTIME);
		2091
1779	$self->in_memory (cf::MAP_IN_MEMORY);	2092	$self->in_memory (cf::MAP_ACTIVE);
1780	}	2093	}
1781		2094
1782	$self->post_load;	2095	$self->post_load;
1783	}	2096	}
1784		2097
…		…
1793		2106
1794	$self	2107	$self
1795	}	2108	}
1796		2109
1797	# 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
1798	sub load_diag {	2111	sub load_neighbours {
1799	my ($map) = @_;	2112	my ($map) = @_;
1800		2113
1801	my @diag; # diagonal neighbours	2114	my @neigh; # diagonal neighbours
1802		2115
1803	for (0 .. 3) {	2116	for (0 .. 3) {
1804	my $neigh = $map->tile_path ($_)	2117	my $neigh = $map->tile_path ($_)
1805	or next;	2118	or next;
1806	$neigh = find $neigh, $map	2119	$neigh = find $neigh, $map
1807	or next;	2120	or next;
1808	$neigh->load;	2121	$neigh->load;
1809		2122
		2123	push @neigh,
1810	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2124	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1811	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2125	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1812	}	2126	}
1813		2127
1814	for (@diag) {	2128	for (grep defined $_->[0], @neigh) {
		2129	my ($path, $origin) = @$_;
1815	my $neigh = find @$_	2130	my $neigh = find $path, $origin
1816	or next;	2131	or next;
1817	$neigh->load;	2132	$neigh->load;
1818	}	2133	}
1819	}	2134	}
1820		2135
…		…
1825	}	2140	}
1826		2141
1827	sub do_load_sync {	2142	sub do_load_sync {
1828	my ($map) = @_;	2143	my ($map) = @_;
1829		2144
		2145	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2146	if $Coro::current == $Coro::main;
		2147
1830	cf::sync_job { $map->load };	2148	cf::sync_job { $map->load };
1831	}	2149	}
1832		2150
1833	our %MAP_PREFETCH;	2151	our %MAP_PREFETCH;
1834	our $MAP_PREFETCHER = undef;	2152	our $MAP_PREFETCHER = undef;
1835		2153
1836	sub find_async {	2154	sub find_async {
1837	my ($path, $origin) = @_;	2155	my ($path, $origin, $load) = @_;
1838		2156
1839	$path = normalise $path, $origin && $origin->{path};	2157	$path = normalise $path, $origin && $origin->{path};
1840		2158
1841	if (my $map = $cf::MAP{$path}) {	2159	if (my $map = $cf::MAP{$path}) {
1842	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2160	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1843	}	2161	}
1844		2162
1845	undef $MAP_PREFETCH{$path};	2163	$MAP_PREFETCH{$path} |= $load;
		2164
1846	$MAP_PREFETCHER ||= cf::async {	2165	$MAP_PREFETCHER ||= cf::async {
		2166	$Coro::current->{desc} = "map prefetcher";
		2167
1847	while (%MAP_PREFETCH) {	2168	while (%MAP_PREFETCH) {
1848	for my $path (keys %MAP_PREFETCH) {	2169	while (my ($k, $v) = each %MAP_PREFETCH) {
1849	my $map = find $path	2170	if (my $map = find $k) {
1850	or next;
1851	$map->load;	2171	$map->load if $v;
		2172	}
1852		2173
1853	delete $MAP_PREFETCH{$path};	2174	delete $MAP_PREFETCH{$k};
1854	}	2175	}
1855	}	2176	}
1856	undef $MAP_PREFETCHER;	2177	undef $MAP_PREFETCHER;
1857	};	2178	};
1858	$MAP_PREFETCHER->prio (6);	2179	$MAP_PREFETCHER->prio (6);
…		…
1861	}	2182	}
1862		2183
1863	sub save {	2184	sub save {
1864	my ($self) = @_;	2185	my ($self) = @_;
1865		2186
1866	my $lock = cf::lock_acquire "map_data:" . $self->path;	2187	my $lock = cf::lock_acquire "map_data:$self->{path}";
1867		2188
1868	$self->{last_save} = $cf::RUNTIME;	2189	$self->{last_save} = $cf::RUNTIME;
1869		2190
1870	return unless $self->dirty;	2191	return unless $self->dirty;
1871		2192
…		…
1877	return if $self->{deny_save};	2198	return if $self->{deny_save};
1878		2199
1879	local $self->{last_access} = $self->last_access;#d#	2200	local $self->{last_access} = $self->last_access;#d#
1880		2201
1881	cf::async {	2202	cf::async {
		2203	$Coro::current->{desc} = "map player save";
1882	$_->contr->save for $self->players;	2204	$_->contr->save for $self->players;
1883	};	2205	};
		2206
		2207	cf::get_slot 0.02;
1884		2208
1885	if ($uniq) {	2209	if ($uniq) {
1886	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2210	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1887	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2211	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1888	} else {	2212	} else {
…		…
1894	my ($self) = @_;	2218	my ($self) = @_;
1895		2219
1896	# save first because save cedes	2220	# save first because save cedes
1897	$self->save;	2221	$self->save;
1898		2222
1899	my $lock = cf::lock_acquire "map_data:" . $self->path;	2223	my $lock = cf::lock_acquire "map_data:$self->{path}";
1900		2224
1901	return if $self->players;	2225	return if $self->players;
1902	return if $self->in_memory != cf::MAP_IN_MEMORY;	2226	return if $self->in_memory != cf::MAP_ACTIVE;
1903	return if $self->{deny_save};	2227	return if $self->{deny_save};
1904		2228
		2229	$self->in_memory (cf::MAP_SWAPPED);
		2230
		2231	$self->deactivate;
		2232	$_->clear_links_to ($self) for values %cf::MAP;
1905	$self->clear;	2233	$self->clear;
1906	$self->in_memory (cf::MAP_SWAPPED);
1907	}	2234	}
1908		2235
1909	sub reset_at {	2236	sub reset_at {
1910	my ($self) = @_;	2237	my ($self) = @_;
1911		2238
…		…
1929		2256
1930	my $lock = cf::lock_acquire "map_data:$self->{path}";	2257	my $lock = cf::lock_acquire "map_data:$self->{path}";
1931		2258
1932	return if $self->players;	2259	return if $self->players;
1933		2260
1934	warn "resetting map ", $self->path;	2261	warn "resetting map ", $self->path, "\n";
1935		2262
1936	$self->in_memory (cf::MAP_SWAPPED);	2263	$self->in_memory (cf::MAP_SWAPPED);
1937		2264
1938	# need to save uniques path	2265	# need to save uniques path
1939	unless ($self->{deny_save}) {	2266	unless ($self->{deny_save}) {
…		…
1943	if $uniq;	2270	if $uniq;
1944	}	2271	}
1945		2272
1946	delete $cf::MAP{$self->path};	2273	delete $cf::MAP{$self->path};
1947		2274
		2275	$self->deactivate;
		2276	$_->clear_links_to ($self) for values %cf::MAP;
1948	$self->clear;	2277	$self->clear;
1949
1950	$_->clear_links_to ($self) for values %cf::MAP;
1951		2278
1952	$self->unlink_save;	2279	$self->unlink_save;
1953	$self->destroy;	2280	$self->destroy;
1954	}	2281	}
1955		2282
1956	my $nuke_counter = "aaaa";	2283	my $nuke_counter = "aaaa";
1957		2284
1958	sub nuke {	2285	sub nuke {
1959	my ($self) = @_;	2286	my ($self) = @_;
1960		2287
		2288	{
		2289	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2290
1961	delete $cf::MAP{$self->path};	2291	delete $cf::MAP{$self->path};
1962		2292
1963	$self->unlink_save;	2293	$self->unlink_save;
1964		2294
1965	bless $self, "cf::map";	2295	bless $self, "cf::map";
1966	delete $self->{deny_reset};	2296	delete $self->{deny_reset};
1967	$self->{deny_save} = 1;	2297	$self->{deny_save} = 1;
1968	$self->reset_timeout (1);	2298	$self->reset_timeout (1);
1969	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2299	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1970		2300
1971	$cf::MAP{$self->path} = $self;	2301	$cf::MAP{$self->path} = $self;
		2302	}
1972		2303
1973	$self->reset; # polite request, might not happen	2304	$self->reset; # polite request, might not happen
1974	}	2305	}
1975		2306
1976	=item $maps = cf::map::tmp_maps	2307	=item $maps = cf::map::tmp_maps
…		…
2018		2349
2019	sub unique_maps() {	2350	sub unique_maps() {
2020	[	2351	[
2021	map {	2352	map {
2022	utf8::decode $_;	2353	utf8::decode $_;
2023	/\.map$/	2354	s/\.map$//; # TODO future compatibility hack
		2355	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2356	? ()
2024	? normalise $_	2357	: normalise $_
2025	: ()
2026	} @{ aio_readdir $UNIQUEDIR or [] }	2358	} @{ aio_readdir $UNIQUEDIR or [] }
2027	]	2359	]
2028	}	2360	}
2029		2361
2030	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	}
2031		2393
2032	=back	2394	=back
2033		2395
2034	=head3 cf::object	2396	=head3 cf::object
2035		2397
…		…
2039		2401
2040	=over 4	2402	=over 4
2041		2403
2042	=item $ob->inv_recursive	2404	=item $ob->inv_recursive
2043		2405
2044	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.
2045		2408
2046	=cut	2409	=cut
2047		2410
2048	sub inv_recursive_;	2411	sub inv_recursive_;
2049	sub inv_recursive_ {	2412	sub inv_recursive_ {
…		…
2052		2415
2053	sub inv_recursive {	2416	sub inv_recursive {
2054	inv_recursive_ inv $_[0]	2417	inv_recursive_ inv $_[0]
2055	}	2418	}
2056		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
2057	package cf;	2448	package cf;
2058		2449
2059	=back	2450	=back
2060		2451
2061	=head3 cf::object::player	2452	=head3 cf::object::player
…		…
2067	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>
2068	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
2069	dialogue with the given NPC character.	2460	dialogue with the given NPC character.
2070		2461
2071	=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	};
2072		2477
2073	# rough implementation of a future "reply" method that works	2478	# rough implementation of a future "reply" method that works
2074	# with dialog boxes.	2479	# with dialog boxes.
2075	#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
2076	sub cf::object::player::reply($$$;$) {	2481	sub cf::object::player::reply($$$;$) {
…		…
2083		2488
2084	} else {	2489	} else {
2085	my $pl = $self->contr;	2490	my $pl = $self->contr;
2086		2491
2087	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2492	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2088	my $diag = $pl->{npc_dialog};	2493	my $dialog = $pl->{npc_dialog};
2089	$diag->{pl}->ext_reply (	2494	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2090	$diag->{id},
2091	msgtype => "reply",
2092	msg => $diag->{pl}->expand_cfpod ($msg),
2093	add_topics => []
2094	);
2095		2495
2096	} else {	2496	} else {
2097	$msg = $npc->name . " says: $msg" if $npc;	2497	$msg = $npc->name . " says: $msg" if $npc;
2098	$self->message ($msg, $flags);	2498	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2099	}	2499	}
2100	}	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 (@_);
2101	}	2511	}
2102		2512
2103	=item $player_object->may ("access")	2513	=item $player_object->may ("access")
2104		2514
2105	Returns wether the given player is authorized to access resource "access"	2515	Returns wether the given player is authorized to access resource "access"
…		…
2118		2528
2119	=item $player_object->enter_link	2529	=item $player_object->enter_link
2120		2530
2121	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}>).
2122		2532
2123	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.
2124	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.
2125		2537
2126	Will never block.	2538	Will never block.
2127		2539
2128	=item $player_object->leave_link ($map, $x, $y)	2540	=item $player_object->leave_link ($map, $x, $y)
2129		2541
…		…
2181	($x, $y) = (-1, -1)	2593	($x, $y) = (-1, -1)
2182	unless (defined $x) && (defined $y);	2594	unless (defined $x) && (defined $y);
2183		2595
2184	# use -1 or undef as default coordinates, not 0, 0	2596	# use -1 or undef as default coordinates, not 0, 0
2185	($x, $y) = ($map->enter_x, $map->enter_y)	2597	($x, $y) = ($map->enter_x, $map->enter_y)
2186	if $x <=0 && $y <= 0;	2598	if $x <= 0 && $y <= 0;
2187		2599
2188	$map->load;	2600	$map->load;
2189	$map->load_diag;	2601	$map->load_neighbours;
2190		2602
2191	return unless $self->contr->active;	2603	return unless $self->contr->active;
2192	$self->activate_recursive;
2193		2604
2194	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2605	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2195	$self->enter_map ($map, $x, $y);	2606	$self->enter_map ($map, $x, $y);
2196	}
2197		2607
		2608	# only activate afterwards, to support waiting in hooks
		2609	$self->activate_recursive;
		2610	}
		2611
2198	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2612	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2199		2613
2200	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
2201	her, loading and preparing them map, calling the provided $check callback	2615	her, loading and preparing them map, calling the provided $check callback
2202	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
2203	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 >>.
2204		2622
2205	=cut	2623	=cut
2206		2624
2207	our $GOTOGEN;	2625	our $GOTOGEN;
2208		2626
2209	sub cf::object::player::goto {	2627	sub cf::object::player::goto {
2210	my ($self, $path, $x, $y, $check) = @_;	2628	my ($self, $path, $x, $y, $check, $done) = @_;
2211		2629
2212	# 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
2213	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2631	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2214		2632
2215	$self->enter_link;	2633	$self->enter_link;
2216		2634
2217	(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
2218	my $map = eval {	2657	my $map = eval {
2219	my $map = cf::map::find $path;	2658	my $map = defined $path ? cf::map::find $path : undef;
2220		2659
2221	if ($map) {	2660	if ($map) {
2222	$map = $map->customise_for ($self);	2661	$map = $map->customise_for ($self);
2223	$map = $check->($map) if $check && $map;	2662	$map = $check->($map) if $check && $map;
2224	} else {	2663	} else {
2225	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2664	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2226	}	2665	}
2227		2666
2228	$map	2667	$map
2229	};	2668	};
2230		2669
…		…
2235		2674
2236	if ($gen == $self->{_goto_generation}) {	2675	if ($gen == $self->{_goto_generation}) {
2237	delete $self->{_goto_generation};	2676	delete $self->{_goto_generation};
2238	$self->leave_link ($map, $x, $y);	2677	$self->leave_link ($map, $x, $y);
2239	}	2678	}
		2679
		2680	$done->() if $done;
2240	})->prio (1);	2681	})->prio (1);
2241	}	2682	}
2242		2683
2243	=item $player_object->enter_exit ($exit_object)	2684	=item $player_object->enter_exit ($exit_object)
2244		2685
…		…
2264	}	2705	}
2265		2706
2266	sub prepare_random_map {	2707	sub prepare_random_map {
2267	my ($exit) = @_;	2708	my ($exit) = @_;
2268		2709
2269	my $guard = cf::lock_acquire "exit_prepare:$exit";
2270
2271	# all this does is basically replace the /! path by	2710	# all this does is basically replace the /! path by
2272	# a new random map path (?random/...) with a seed	2711	# a new random map path (?random/...) with a seed
2273	# that depends on the exit object	2712	# that depends on the exit object
2274		2713
2275	my $rmp = parse_random_map_params $exit->msg;	2714	my $rmp = parse_random_map_params $exit->msg;
…		…
2277	if ($exit->map) {	2716	if ($exit->map) {
2278	$rmp->{region} = $exit->region->name;	2717	$rmp->{region} = $exit->region->name;
2279	$rmp->{origin_map} = $exit->map->path;	2718	$rmp->{origin_map} = $exit->map->path;
2280	$rmp->{origin_x} = $exit->x;	2719	$rmp->{origin_x} = $exit->x;
2281	$rmp->{origin_y} = $exit->y;	2720	$rmp->{origin_y} = $exit->y;
		2721
		2722	$exit->map->touch;
2282	}	2723	}
2283		2724
2284	$rmp->{random_seed} ||= $exit->random_seed;	2725	$rmp->{random_seed} ||= $exit->random_seed;
2285		2726
2286	my $data = cf::to_json $rmp;	2727	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2287	my $md5 = Digest::MD5::md5_hex $data;	2728	my $md5 = Digest::MD5::md5_hex $data;
2288	my $meta = "$RANDOMDIR/$md5.meta";	2729	my $meta = "$RANDOMDIR/$md5.meta";
2289		2730
2290	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2731	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2291	aio_write $fh, 0, (length $data), $data, 0;	2732	aio_write $fh, 0, (length $data), $data, 0;
2292	undef $fh;	2733	undef $fh;
2293	aio_rename "$meta~", $meta;	2734	aio_rename "$meta~", $meta;
2294		2735
		2736	my $slaying = "?random/$md5";
		2737
		2738	if ($exit->valid) {
2295	$exit->slaying ("?random/$md5");	2739	$exit->slaying ("?random/$md5");
2296	$exit->msg (undef);	2740	$exit->msg (undef);
		2741	}
2297	}	2742	}
2298	}	2743	}
2299		2744
2300	sub cf::object::player::enter_exit {	2745	sub cf::object::player::enter_exit {
2301	my ($self, $exit) = @_;	2746	my ($self, $exit) = @_;
2302		2747
2303	return unless $self->type == cf::PLAYER;	2748	return unless $self->type == cf::PLAYER;
2304		2749
2305	if ($exit->slaying eq "/!") {
2306	#TODO: this should de-fi-ni-te-ly not be a sync-job
2307	# the problem is that $exit might not survive long enough
2308	# so it needs to be done right now, right here
2309	cf::sync_job { prepare_random_map $exit };
2310	}
2311
2312	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2313	my $hp = $exit->stats->hp;
2314	my $sp = $exit->stats->sp;
2315
2316	$self->enter_link;	2750	$self->enter_link;
2317		2751
2318	(async {	2752	(async {
2319	$self->deactivate_recursive; # just to be sure	2753	$Coro::current->{desc} = "enter_exit";
		2754
2320	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
2321	$self->goto ($slaying, $hp, $sp);	2770	$self->goto ($map, $x, $y);
2322		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
2323	1;	2776	1
2324	}) {	2777	}) {
2325	$self->message ("Something went wrong deep within the crossfire server. "	2778	$self->message ("Something went wrong deep within the deliantra server. "
2326	. "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. "
2327	. "Please report this to the dungeon master!",	2780	. "Please report this to the dungeon master!",
2328	cf::NDI_UNIQUE | cf::NDI_RED);	2781	cf::NDI_UNIQUE | cf::NDI_RED);
2329		2782
2330	warn "ERROR in enter_exit: $@";	2783	warn "ERROR in enter_exit: $@";
…		…
2349		2802
2350	utf8::encode $text;	2803	utf8::encode $text;
2351	$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);
2352	}	2805	}
2353		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
2354	=item $client->send_msg ($color, $type, $msg, [extra...])	2832	=item $client->send_msg ($channel, $msg, $color, [extra...])
2355		2833
2356	Send a drawinfo or msg packet to the client, formatting the msg for the	2834	Send a drawinfo or msg packet to the client, formatting the msg for the
2357	client if neccessary. C<$type> should be a string identifying the type of	2835	client if neccessary. C<$type> should be a string identifying the type of
2358	the message, with C<log> being the default. If C<$color> is negative, suppress	2836	the message, with C<log> being the default. If C<$color> is negative, suppress
2359	the message unless the client supports the msg packet.	2837	the message unless the client supports the msg packet.
2360		2838
2361	=cut	2839	=cut
2362		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" => $CHAT_CHANNEL,
		2953	);
		2954
2363	sub cf::client::send_msg {	2955	sub cf::client::send_msg {
2364	my ($self, $color, $type, $msg, @extra) = @_;	2956	my ($self, $channel, $msg, $color, @extra) = @_;
2365		2957
2366	$msg = $self->pl->expand_cfpod ($msg);	2958	$msg = $self->pl->expand_cfpod ($msg)
		2959	unless $color & cf::NDI_VERBATIM;
2367		2960
2368	if ($self->can_msg) {	2961	$color &= cf::NDI_CLIENT_MASK; # just in case...
2369	$self->send_packet ("msg " . cf::to_json [$color, $type, $msg, @extra]);
2370	} else {
2371	# replace some tags by gcfclient-compatible ones
2372	for ($msg) {
2373	1 while
2374	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2375	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2376	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2377	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2378	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2379	}
2380		2962
2381	if ($color >= 0) {	2963	# check predefined channels, for the benefit of C
2382	if (0 && $msg =~ /\[/) {	2964	if ($CHANNEL{$channel}) {
2383	$self->send_packet ("drawextinfo $color 4 0 $msg")	2965	$channel = $CHANNEL{$channel};
2384	} else {	2966
2385	s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	2967	$self->ext_msg (channel_info => $channel);
2386	$self->send_packet ("drawinfo $color $msg")	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);
2387	}	2975	}
2388	}
2389	}
2390	}
2391		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
2392	=item $client->ext_event ($type, %msg)	2994	=item $client->ext_msg ($type, @msg)
2393		2995
2394	Sends an exti event to the client.	2996	Sends an ext event to the client.
2395		2997
2396	=cut	2998	=cut
2397		2999
2398	sub cf::client::ext_event($$%) {	3000	sub cf::client::ext_msg($$@) {
2399	my ($self, $type, %msg) = @_;	3001	my ($self, $type, @msg) = @_;
2400		3002
		3003	if ($self->extcmd == 2) {
		3004	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3005	} elsif ($self->extcmd == 1) { # TODO: remove
2401	$msg{msgtype} = "event_$type";	3006	push @msg, msgtype => "event_$type";
2402	$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	}
2403	}	3027	}
2404		3028
2405	=item $success = $client->query ($flags, "text", \&cb)	3029	=item $success = $client->query ($flags, "text", \&cb)
2406		3030
2407	Queues a query to the client, calling the given callback with	3031	Queues a query to the client, calling the given callback with
2408	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>,
2409	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>.
2410		3034
2411	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
2412	reliable at some point in the future.	3036	become reliable at some point in the future.
2413		3037
2414	=cut	3038	=cut
2415		3039
2416	sub cf::client::query {	3040	sub cf::client::query {
2417	my ($self, $flags, $text, $cb) = @_;	3041	my ($self, $flags, $text, $cb) = @_;
…		…
2425	utf8::encode $text;	3049	utf8::encode $text;
2426	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3050	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2427		3051
2428	$self->send_packet ($self->{query_queue}[0][0])	3052	$self->send_packet ($self->{query_queue}[0][0])
2429	if @{ $self->{query_queue} } == 1;	3053	if @{ $self->{query_queue} } == 1;
		3054
		3055	1
2430	}	3056	}
2431		3057
2432	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	},
2433	on_reply => sub {	3064	on_reply => sub {
2434	my ($ns, $msg) = @_;	3065	my ($ns, $msg) = @_;
2435		3066
2436	# this weird shuffling is so that direct followup queries	3067	# this weird shuffling is so that direct followup queries
2437	# get handled first	3068	# get handled first
…		…
2449	} else {	3080	} else {
2450	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3081	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2451	}	3082	}
2452	}	3083	}
2453	},	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	},
2454	);	3111	);
2455		3112
2456	=item $client->async (\&cb)	3113	=item $client->async (\&cb)
2457		3114
2458	Create a new coroutine, running the specified callback. The coroutine will	3115	Create a new coroutine, running the specified callback. The coroutine will
…		…
2499	our $safe = new Safe "safe";	3156	our $safe = new Safe "safe";
2500	our $safe_hole = new Safe::Hole;	3157	our $safe_hole = new Safe::Hole;
2501		3158
2502	$SIG{FPE} = 'IGNORE';	3159	$SIG{FPE} = 'IGNORE';
2503		3160
2504	$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	));
2505		3166
2506	# here we export the classes and methods available to script code	3167	# here we export the classes and methods available to script code
2507		3168
2508	=pod	3169	=pod
2509		3170
2510	The following functions and methods are available within a safe environment:	3171	The following functions and methods are available within a safe environment:
2511		3172
2512	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
2513	cf::object::player player	3178	cf::object::player
2514	cf::player peaceful	3179	player
2515	cf::map trigger	3180
		3181	cf::player
		3182	peaceful
		3183
		3184	cf::map
		3185	trigger
2516		3186
2517	=cut	3187	=cut
2518		3188
2519	for (	3189	for (
2520	["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)],
2521	["cf::object::player" => qw(player)],	3193	["cf::object::player" => qw(player)],
2522	["cf::player" => qw(peaceful)],	3194	["cf::player" => qw(peaceful send_msg)],
2523	["cf::map" => qw(trigger)],	3195	["cf::map" => qw(trigger)],
2524	) {	3196	) {
2525	no strict 'refs';	3197	no strict 'refs';
2526	my ($pkg, @funs) = @$_;	3198	my ($pkg, @funs) = @$_;
2527	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3199	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2545		3217
2546	my $qcode = $code;	3218	my $qcode = $code;
2547	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3219	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2548	$qcode =~ s/\n/\\n/g;	3220	$qcode =~ s/\n/\\n/g;
2549		3221
		3222	%vars = (_dummy => 0) unless %vars;
		3223
		3224	my @res;
2550	local $_;	3225	local $_;
2551	local @safe::cf::_safe_eval_args = values %vars;
2552		3226
2553	my $eval =	3227	my $eval =
2554	"do {\n"	3228	"do {\n"
2555	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3229	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2556	. "#line 0 \"{$qcode}\"\n"	3230	. "#line 0 \"{$qcode}\"\n"
2557	. $code	3231	. $code
2558	. "\n}"	3232	. "\n}"
2559	;	3233	;
2560		3234
		3235	if ($CFG{safe_eval}) {
2561	sub_generation_inc;	3236	sub_generation_inc;
		3237	local @safe::cf::_safe_eval_args = values %vars;
2562	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3238	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2563	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	}
2564		3244
2565	if ($@) {	3245	if ($@) {
2566	warn "$@";	3246	warn "$@";
2567	warn "while executing safe code '$code'\n";	3247	warn "while executing safe code '$code'\n";
2568	warn "with arguments " . (join " ", %vars) . "\n";	3248	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2587	=cut	3267	=cut
2588		3268
2589	sub register_script_function {	3269	sub register_script_function {
2590	my ($fun, $cb) = @_;	3270	my ($fun, $cb) = @_;
2591		3271
2592	no strict 'refs';	3272	$fun = "safe::$fun" if $CFG{safe_eval};
2593	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3273	*$fun = $safe_hole->wrap ($cb);
2594	}	3274	}
2595		3275
2596	=back	3276	=back
2597		3277
2598	=cut	3278	=cut
…		…
2600	#############################################################################	3280	#############################################################################
2601	# the server's init and main functions	3281	# the server's init and main functions
2602		3282
2603	sub load_facedata($) {	3283	sub load_facedata($) {
2604	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;
2605		3291
2606	warn "loading facedata from $path\n";	3292	warn "loading facedata from $path\n";
2607		3293
2608	my $facedata;	3294	my $facedata;
2609	0 < aio_load $path, $facedata	3295	0 < aio_load $path, $facedata
…		…
2612	$facedata = Coro::Storable::thaw $facedata;	3298	$facedata = Coro::Storable::thaw $facedata;
2613		3299
2614	$facedata->{version} == 2	3300	$facedata->{version} == 2
2615	or cf::cleanup "$path: version mismatch, cannot proceed.";	3301	or cf::cleanup "$path: version mismatch, cannot proceed.";
2616		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
2617	{	3312	{
2618	my $faces = $facedata->{faceinfo};	3313	my $faces = $facedata->{faceinfo};
2619		3314
2620	while (my ($face, $info) = each %$faces) {	3315	while (my ($face, $info) = each %$faces) {
2621	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3316	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3317
2622	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3318	cf::face::set_visibility $idx, $info->{visibility};
		3319	cf::face::set_magicmap $idx, $info->{magicmap};
2623	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3320	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2624	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3321	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2625	Coro::cede;	3322
		3323	cf::cede_to_tick;
2626	}	3324	}
2627		3325
2628	while (my ($face, $info) = each %$faces) {	3326	while (my ($face, $info) = each %$faces) {
2629	next unless $info->{smooth};	3327	next unless $info->{smooth};
		3328
2630	my $idx = cf::face::find $face	3329	my $idx = cf::face::find $face
2631	or next;	3330	or next;
		3331
2632	if (my $smooth = cf::face::find $info->{smooth}) {	3332	if (my $smooth = cf::face::find $info->{smooth}) {
		3333	cf::face::set_smooth $idx, $smooth;
2633	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3334	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2634	} else {	3335	} else {
2635	warn "smooth face '$info->{smooth}' not found for face '$face'";	3336	warn "smooth face '$info->{smooth}' not found for face '$face'";
2636	}	3337	}
2637	Coro::cede;	3338
		3339	cf::cede_to_tick;
2638	}	3340	}
2639	}	3341	}
2640		3342
2641	{	3343	{
2642	my $anims = $facedata->{animinfo};	3344	my $anims = $facedata->{animinfo};
2643		3345
2644	while (my ($anim, $info) = each %$anims) {	3346	while (my ($anim, $info) = each %$anims) {
2645	cf::anim::set $anim, $info->{frames}, $info->{facings};	3347	cf::anim::set $anim, $info->{frames}, $info->{facings};
2646	Coro::cede;	3348	cf::cede_to_tick;
2647	}	3349	}
2648		3350
2649	cf::anim::invalidate_all; # d'oh	3351	cf::anim::invalidate_all; # d'oh
2650	}	3352	}
2651		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
2652	1	3373	1
2653	}	3374	}
2654		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
2655	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
2656	load_resource_file "$MAPDIR/regions"	3419	load_resource_file "$MAPDIR/regions"
2657	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	}
2658	}	3426	}
2659		3427
2660	sub reload_facedata {	3428	sub reload_facedata {
2661	load_facedata "$DATADIR/facedata"	3429	load_facedata "$DATADIR/facedata"
2662	or die "unable to load facedata\n";	3430	or die "unable to load facedata\n";
…		…
2673	}	3441	}
2674		3442
2675	sub reload_resources {	3443	sub reload_resources {
2676	warn "reloading resource files...\n";	3444	warn "reloading resource files...\n";
2677		3445
		3446	reload_facedata;
		3447	reload_archetypes;
2678	reload_regions;	3448	reload_regions;
2679	reload_facedata;
2680	#reload_archetypes;#d#
2681	reload_archetypes;
2682	reload_treasures;	3449	reload_treasures;
2683		3450
2684	warn "finished reloading resource files\n";	3451	warn "finished reloading resource files\n";
2685	}	3452	}
2686		3453
2687	sub init {	3454	sub reload_config {
2688	reload_resources;	3455	warn "reloading config file...\n";
2689	}
2690		3456
2691	sub cfg_load {
2692	open my $fh, "<:utf8", "$CONFDIR/config"	3457	open my $fh, "<:utf8", "$CONFDIR/config"
2693	or return;	3458	or return;
2694		3459
2695	local $/;	3460	local $/;
2696	*CFG = YAML::Syck::Load <$fh>;	3461	*CFG = YAML::XS::Load scalar <$fh>;
2697		3462
2698	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3463	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2699		3464
2700	$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};
2701	$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};
…		…
2705	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3470	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2706	and die "WARNING: m(un)lockall failed: $!\n";	3471	and die "WARNING: m(un)lockall failed: $!\n";
2707	};	3472	};
2708	warn $@ if $@;	3473	warn $@ if $@;
2709	}	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;
2710	}	3505	}
2711		3506
2712	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
2713	# we must not ever block the main coroutine	3522	# we must not ever block the main coroutine
2714	local $Coro::idle = sub {	3523	local $Coro::idle = sub {
2715	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#
2716	(async {	3525	(async {
2717	Event::one_event;	3526	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3527	EV::loop EV::LOOP_ONESHOT;
2718	})->prio (Coro::PRIO_MAX);	3528	})->prio (Coro::PRIO_MAX);
2719	};	3529	};
2720		3530
2721	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;
2722	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
2723	load_extensions;	3550	load_extensions;
2724		3551
2725	$TICK_WATCHER->start;	3552	utime time, time, $RUNTIMEFILE;
2726	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;
2727	}	3562	}
2728		3563
2729	#############################################################################	3564	#############################################################################
2730	# initialisation and cleanup	3565	# initialisation and cleanup
2731		3566
2732	# install some emergency cleanup handlers	3567	# install some emergency cleanup handlers
2733	BEGIN {	3568	BEGIN {
		3569	our %SIGWATCHER = ();
2734	for my $signal (qw(INT HUP TERM)) {	3570	for my $signal (qw(INT HUP TERM)) {
2735	Event->signal (	3571	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2736	reentrant => 0,
2737	data => WF_AUTOCANCEL,
2738	signal => $signal,
2739	prio => 0,
2740	cb => sub {
2741	cf::cleanup "SIG$signal";	3572	cf::cleanup "SIG$signal";
2742	},
2743	);	3573	};
2744	}	3574	}
2745	}	3575	}
2746		3576
2747	sub write_runtime {	3577	sub write_runtime_sync {
2748	my $runtime = "$LOCALDIR/runtime";	3578	my $t0 = EV::time;
2749		3579
2750	# first touch the runtime file to show we are still running:	3580	# first touch the runtime file to show we are still running:
2751	# the fsync below can take a very very long time.	3581	# the fsync below can take a very very long time.
2752		3582
2753	IO::AIO::aio_utime $runtime, undef, undef;	3583	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2754		3584
2755	my $guard = cf::lock_acquire "write_runtime";	3585	my $guard = cf::lock_acquire "write_runtime";
2756		3586
2757	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3587	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2758	or return;	3588	or return;
2759		3589
2760	my $value = $cf::RUNTIME + 90 + 10;	3590	my $value = $cf::RUNTIME + 90 + 10;
2761	# 10 is the runtime save interval, for a monotonic clock	3591	# 10 is the runtime save interval, for a monotonic clock
2762	# 60 allows for the watchdog to kill the server.	3592	# 60 allows for the watchdog to kill the server.
…		…
2772	aio_utime $fh, undef, undef;	3602	aio_utime $fh, undef, undef;
2773		3603
2774	close $fh	3604	close $fh
2775	or return;	3605	or return;
2776		3606
2777	aio_rename "$runtime~", $runtime	3607	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2778	and return;	3608	and return;
2779		3609
2780	warn "runtime file written.\n";	3610	warn sprintf "runtime file written (%gs).\n", EV::time - $t0;
2781		3611
2782	1	3612	1
		3613	}
		3614
		3615	our $uuid_lock;
		3616	our $uuid_skip;
		3617
		3618	sub write_uuid_sync($) {
		3619	$uuid_skip ||= $_[0];
		3620
		3621	return if $uuid_lock;
		3622	local $uuid_lock = 1;
		3623
		3624	my $uuid = "$LOCALDIR/uuid";
		3625
		3626	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3627	or return;
		3628
		3629	my $value = uuid_seq uuid_cur;
		3630
		3631	unless ($value) {
		3632	warn "cowardly refusing to write zero uuid value!\n";
		3633	return;
		3634	}
		3635
		3636	my $value = uuid_str $value + $uuid_skip;
		3637	$uuid_skip = 0;
		3638
		3639	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3640	and return;
		3641
		3642	# always fsync - this file is important
		3643	aio_fsync $fh
		3644	and return;
		3645
		3646	close $fh
		3647	or return;
		3648
		3649	aio_rename "$uuid~", $uuid
		3650	and return;
		3651
		3652	warn "uuid file written ($value).\n";
		3653
		3654	1
		3655
		3656	}
		3657
		3658	sub write_uuid($$) {
		3659	my ($skip, $sync) = @_;
		3660
		3661	$sync ? write_uuid_sync $skip
		3662	: async { write_uuid_sync $skip };
2783	}	3663	}
2784		3664
2785	sub emergency_save() {	3665	sub emergency_save() {
2786	my $freeze_guard = cf::freeze_mainloop;	3666	my $freeze_guard = cf::freeze_mainloop;
2787		3667
2788	warn "enter emergency perl save\n";	3668	warn "emergency_perl_save: enter\n";
2789		3669
2790	cf::sync_job {	3670	cf::sync_job {
		3671	# this is a trade-off: we want to be very quick here, so
		3672	# save all maps without fsync, and later call a global sync
		3673	# (which in turn might be very very slow)
		3674	local $USE_FSYNC = 0;
		3675
2791	# use a peculiar iteration method to avoid tripping on perl	3676	# use a peculiar iteration method to avoid tripping on perl
2792	# refcount bugs in for. also avoids problems with players	3677	# refcount bugs in for. also avoids problems with players
2793	# and maps saved/destroyed asynchronously.	3678	# and maps saved/destroyed asynchronously.
2794	warn "begin emergency player save\n";	3679	warn "emergency_perl_save: begin player save\n";
2795	for my $login (keys %cf::PLAYER) {	3680	for my $login (keys %cf::PLAYER) {
2796	my $pl = $cf::PLAYER{$login} or next;	3681	my $pl = $cf::PLAYER{$login} or next;
2797	$pl->valid or next;	3682	$pl->valid or next;
		3683	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2798	$pl->save;	3684	$pl->save;
2799	}	3685	}
2800	warn "end emergency player save\n";	3686	warn "emergency_perl_save: end player save\n";
2801		3687
2802	warn "begin emergency map save\n";	3688	warn "emergency_perl_save: begin map save\n";
2803	for my $path (keys %cf::MAP) {	3689	for my $path (keys %cf::MAP) {
2804	my $map = $cf::MAP{$path} or next;	3690	my $map = $cf::MAP{$path} or next;
2805	$map->valid or next;	3691	$map->valid or next;
2806	$map->save;	3692	$map->save;
2807	}	3693	}
2808	warn "end emergency map save\n";	3694	warn "emergency_perl_save: end map save\n";
2809		3695
2810	warn "begin emergency database checkpoint\n";	3696	warn "emergency_perl_save: begin database checkpoint\n";
2811	BDB::db_env_txn_checkpoint $DB_ENV;	3697	BDB::db_env_txn_checkpoint $DB_ENV;
2812	warn "end emergency database checkpoint\n";	3698	warn "emergency_perl_save: end database checkpoint\n";
		3699
		3700	warn "emergency_perl_save: begin write uuid\n";
		3701	write_uuid_sync 1;
		3702	warn "emergency_perl_save: end write uuid\n";
2813	};	3703	};
2814		3704
		3705	warn "emergency_perl_save: starting sync()\n";
		3706	IO::AIO::aio_sync sub {
		3707	warn "emergency_perl_save: finished sync()\n";
		3708	};
		3709
2815	warn "leave emergency perl save\n";	3710	warn "emergency_perl_save: leave\n";
2816	}	3711	}
2817		3712
2818	sub post_cleanup {	3713	sub post_cleanup {
2819	my ($make_core) = @_;	3714	my ($make_core) = @_;
2820		3715
2821	warn Carp::longmess "post_cleanup backtrace"	3716	warn Carp::longmess "post_cleanup backtrace"
2822	if $make_core;	3717	if $make_core;
		3718
		3719	my $fh = pidfile;
		3720	unlink $PIDFILE if <$fh> == $$;
		3721	}
		3722
		3723	# a safer delete_package, copied from Symbol
		3724	sub clear_package($) {
		3725	my $pkg = shift;
		3726
		3727	# expand to full symbol table name if needed
		3728	unless ($pkg =~ /^main::.*::$/) {
		3729	$pkg = "main$pkg" if $pkg =~ /^::/;
		3730	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3731	$pkg .= '::' unless $pkg =~ /::$/;
		3732	}
		3733
		3734	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3735	my $stem_symtab = *{$stem}{HASH};
		3736
		3737	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3738	or return;
		3739
		3740	# clear all symbols
		3741	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3742	for my $name (keys %$leaf_symtab) {
		3743	_gv_clear *{"$pkg$name"};
		3744	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3745	}
		3746	warn "cleared package $pkg\n";#d#
2823	}	3747	}
2824		3748
2825	sub do_reload_perl() {	3749	sub do_reload_perl() {
2826	# can/must only be called in main	3750	# can/must only be called in main
2827	if ($Coro::current != $Coro::main) {	3751	if ($Coro::current != $Coro::main) {
2828	warn "can only reload from main coroutine";	3752	warn "can only reload from main coroutine";
2829	return;	3753	return;
2830	}	3754	}
2831		3755
		3756	return if $RELOAD++;
		3757
		3758	my $t1 = EV::time;
		3759
		3760	while ($RELOAD) {
2832	warn "reloading...";	3761	warn "reloading...";
2833		3762
2834	warn "entering sync_job";	3763	warn "entering sync_job";
2835		3764
2836	cf::sync_job {	3765	cf::sync_job {
2837	cf::write_runtime; # external watchdog should not bark	3766	cf::write_runtime_sync; # external watchdog should not bark
2838	cf::emergency_save;	3767	cf::emergency_save;
2839	cf::write_runtime; # external watchdog should not bark	3768	cf::write_runtime_sync; # external watchdog should not bark
2840		3769
2841	warn "syncing database to disk";	3770	warn "syncing database to disk";
2842	BDB::db_env_txn_checkpoint $DB_ENV;	3771	BDB::db_env_txn_checkpoint $DB_ENV;
2843		3772
2844	# if anything goes wrong in here, we should simply crash as we already saved	3773	# if anything goes wrong in here, we should simply crash as we already saved
2845		3774
2846	warn "cancelling all WF_AUTOCANCEL watchers";
2847	for (Event::all_watchers) {
2848	$_->cancel if $_->data & WF_AUTOCANCEL;
2849	}
2850
2851	warn "flushing outstanding aio requests";	3775	warn "flushing outstanding aio requests";
2852	for (;;) {
2853	BDB::flush;
2854	IO::AIO::flush;
2855	Coro::cede;
2856	last unless IO::AIO::nreqs || BDB::nreqs;	3776	while (IO::AIO::nreqs || BDB::nreqs) {
2857	warn "iterate...";	3777	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2858	}
2859
2860	++$RELOAD;
2861
2862	warn "cancelling all extension coros";
2863	$_->cancel for values %EXT_CORO;
2864	%EXT_CORO = ();
2865
2866	warn "removing commands";
2867	%COMMAND = ();
2868
2869	warn "removing ext commands";
2870	%EXTCMD = ();
2871
2872	warn "unloading/nuking all extensions";
2873	for my $pkg (@EXTS) {
2874	warn "... unloading $pkg";
2875
2876	if (my $cb = $pkg->can ("unload")) {
2877	eval {
2878	$cb->($pkg);
2879	1
2880	} or warn "$pkg unloaded, but with errors: $@";
2881	}	3778	}
2882		3779
2883	warn "... nuking $pkg";	3780	warn "cancelling all extension coros";
2884	Symbol::delete_package $pkg;	3781	$_->cancel for values %EXT_CORO;
2885	}	3782	%EXT_CORO = ();
2886		3783
2887	warn "unloading all perl modules loaded from $LIBDIR";	3784	warn "removing commands";
2888	while (my ($k, $v) = each %INC) {	3785	%COMMAND = ();
2889	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2890		3786
		3787	warn "removing ext/exti commands";
		3788	%EXTCMD = ();
		3789	%EXTICMD = ();
		3790
		3791	warn "unloading/nuking all extensions";
		3792	for my $pkg (@EXTS) {
2891	warn "... unloading $k";	3793	warn "... unloading $pkg";
2892	delete $INC{$k};
2893		3794
2894	$k =~ s/\.pm$//;
2895	$k =~ s/\//::/g;
2896
2897	if (my $cb = $k->can ("unload_module")) {	3795	if (my $cb = $pkg->can ("unload")) {
		3796	eval {
2898	$cb->();	3797	$cb->($pkg);
		3798	1
		3799	} or warn "$pkg unloaded, but with errors: $@";
		3800	}
		3801
		3802	warn "... clearing $pkg";
		3803	clear_package $pkg;
2899	}	3804	}
2900		3805
2901	Symbol::delete_package $k;	3806	warn "unloading all perl modules loaded from $LIBDIR";
		3807	while (my ($k, $v) = each %INC) {
		3808	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3809
		3810	warn "... unloading $k";
		3811	delete $INC{$k};
		3812
		3813	$k =~ s/\.pm$//;
		3814	$k =~ s/\//::/g;
		3815
		3816	if (my $cb = $k->can ("unload_module")) {
		3817	$cb->();
		3818	}
		3819
		3820	clear_package $k;
2902	}	3821	}
2903		3822
2904	warn "getting rid of safe::, as good as possible";	3823	warn "getting rid of safe::, as good as possible";
2905	Symbol::delete_package "safe::$_"	3824	clear_package "safe::$_"
2906	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3825	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2907		3826
2908	warn "unloading cf.pm \"a bit\"";	3827	warn "unloading cf.pm \"a bit\"";
2909	delete $INC{"cf.pm"};	3828	delete $INC{"cf.pm"};
2910	delete $INC{"cf/pod.pm"};	3829	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2911		3830
2912	# don't, removes xs symbols, too,	3831	# don't, removes xs symbols, too,
2913	# and global variables created in xs	3832	# and global variables created in xs
2914	#Symbol::delete_package __PACKAGE__;	3833	#clear_package __PACKAGE__;
2915		3834
2916	warn "unload completed, starting to reload now";	3835	warn "unload completed, starting to reload now";
2917		3836
2918	warn "reloading cf.pm";	3837	warn "reloading cf.pm";
2919	require cf;	3838	require cf;
2920	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3839	cf::_connect_to_perl_1;
2921		3840
2922	warn "loading config and database again";	3841	warn "loading config and database again";
2923	cf::cfg_load;	3842	cf::reload_config;
2924		3843
2925	warn "loading extensions";	3844	warn "loading extensions";
2926	cf::load_extensions;	3845	cf::load_extensions;
2927		3846
		3847	if ($REATTACH_ON_RELOAD) {
2928	warn "reattaching attachments to objects/players";	3848	warn "reattaching attachments to objects/players";
2929	_global_reattach; # objects, sockets	3849	_global_reattach; # objects, sockets
2930	warn "reattaching attachments to maps";	3850	warn "reattaching attachments to maps";
2931	reattach $_ for values %MAP;	3851	reattach $_ for values %MAP;
2932	warn "reattaching attachments to players";	3852	warn "reattaching attachments to players";
2933	reattach $_ for values %PLAYER;	3853	reattach $_ for values %PLAYER;
		3854	}
2934		3855
		3856	warn "running post_init jobs";
		3857	(pop @POST_INIT)->(1) while @POST_INIT;
		3858
2935	warn "leaving sync_job";	3859	warn "leaving sync_job";
2936		3860
2937	1	3861	1
2938	} or do {	3862	} or do {
2939	warn $@;	3863	warn $@;
2940	warn "error while reloading, exiting.";	3864	cf::cleanup "error while reloading, exiting.";
2941	exit 1;
2942	};	3865	};
2943		3866
2944	warn "reloaded";	3867	warn "reloaded";
		3868	--$RELOAD;
		3869	}
		3870
		3871	$t1 = EV::time - $t1;
		3872	warn "reload completed in ${t1}s\n";
2945	};	3873	};
2946		3874
2947	our $RELOAD_WATCHER; # used only during reload	3875	our $RELOAD_WATCHER; # used only during reload
2948		3876
2949	sub reload_perl() {	3877	sub reload_perl() {
2950	# doing reload synchronously and two reloads happen back-to-back,	3878	# doing reload synchronously and two reloads happen back-to-back,
2951	# coro crashes during coro_state_free->destroy here.	3879	# coro crashes during coro_state_free->destroy here.
2952		3880
2953	$RELOAD_WATCHER ||= Event->timer (	3881	$RELOAD_WATCHER ||= cf::async {
2954	reentrant => 0,	3882	Coro::AIO::aio_wait cache_extensions;
2955	after => 0,	3883
2956	data => WF_AUTOCANCEL,	3884	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2957	cb => sub {
2958	do_reload_perl;	3885	do_reload_perl;
2959	undef $RELOAD_WATCHER;	3886	undef $RELOAD_WATCHER;
2960	},	3887	};
2961	);	3888	};
2962	}	3889	}
2963		3890
2964	register_command "reload" => sub {	3891	register_command "reload" => sub {
2965	my ($who, $arg) = @_;	3892	my ($who, $arg) = @_;
2966		3893
2967	if ($who->flag (FLAG_WIZ)) {	3894	if ($who->flag (FLAG_WIZ)) {
2968	$who->message ("reloading server.");	3895	$who->message ("reloading server.");
		3896	async {
		3897	$Coro::current->{desc} = "perl_reload";
2969	async { reload_perl };	3898	reload_perl;
		3899	};
2970	}	3900	}
2971	};	3901	};
2972		3902
2973	unshift @INC, $LIBDIR;	3903	unshift @INC, $LIBDIR;
2974		3904
…		…
2976		3906
2977	our @WAIT_FOR_TICK;	3907	our @WAIT_FOR_TICK;
2978	our @WAIT_FOR_TICK_BEGIN;	3908	our @WAIT_FOR_TICK_BEGIN;
2979		3909
2980	sub wait_for_tick {	3910	sub wait_for_tick {
2981	return unless $TICK_WATCHER->is_active;
2982	return if $Coro::current == $Coro::main;	3911	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2983		3912
2984	my $signal = new Coro::Signal;	3913	my $signal = new Coro::Signal;
2985	push @WAIT_FOR_TICK, $signal;	3914	push @WAIT_FOR_TICK, $signal;
2986	$signal->wait;	3915	$signal->wait;
2987	}	3916	}
2988		3917
2989	sub wait_for_tick_begin {	3918	sub wait_for_tick_begin {
2990	return unless $TICK_WATCHER->is_active;
2991	return if $Coro::current == $Coro::main;	3919	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2992		3920
2993	my $signal = new Coro::Signal;	3921	my $signal = new Coro::Signal;
2994	push @WAIT_FOR_TICK_BEGIN, $signal;	3922	push @WAIT_FOR_TICK_BEGIN, $signal;
2995	$signal->wait;	3923	$signal->wait;
2996	}	3924	}
2997		3925
2998	my $min = 1e6;#d#	3926	sub tick {
2999	my $avg = 10;
3000	$TICK_WATCHER = Event->timer (
3001	reentrant => 0,
3002	parked => 1,
3003	prio => 0,
3004	at => $NEXT_TICK || $TICK,
3005	data => WF_AUTOCANCEL,
3006	cb => sub {
3007	if ($Coro::current != $Coro::main) {	3927	if ($Coro::current != $Coro::main) {
3008	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3928	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3009	unless ++$bug_warning > 10;	3929	unless ++$bug_warning > 10;
3010	return;	3930	return;
3011	}	3931	}
3012		3932
3013	$NOW = $tick_start = Event::time;
3014
3015	cf::server_tick; # one server iteration	3933	cf::server_tick; # one server iteration
3016		3934
3017	0 && sync_job {#d#	3935	#for(1..3e6){} EV::now_update; $NOW=EV::now; # generate load #d#
3018	for(1..10) {
3019	my $t = Event::time;
3020	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3021	or die;
3022		3936
3023	$map->width (50);	3937	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3024	$map->height (50);	3938	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3025	$map->alloc;	3939	Coro::async_pool {
3026	$map->_load_objects ("/tmp/x.map", 1);	3940	$Coro::current->{desc} = "runtime saver";
3027	my $t = Event::time - $t;	3941	write_runtime_sync
3028		3942	or warn "ERROR: unable to write runtime file: $!";
3029	#next unless $t < 0.0013;#d#
3030	if ($t < $min) {
3031	$min = $t;
3032	}
3033	$avg = $avg * 0.99 + $t * 0.01;
3034	}
3035	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3036	exit 0;
3037	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3038	};	3943	};
		3944	}
3039		3945
3040	$RUNTIME += $TICK;
3041	$NEXT_TICK += $TICK;
3042
3043	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3044	$NEXT_RUNTIME_WRITE = $NOW + 10;
3045	Coro::async_pool {
3046	write_runtime
3047	or warn "ERROR: unable to write runtime file: $!";
3048	};
3049	}
3050
3051	# my $AFTER = Event::time;
3052	# warn $AFTER - $NOW;#d#
3053
3054	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3946	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3055	$sig->send;	3947	$sig->send;
3056	}	3948	}
3057	while (my $sig = shift @WAIT_FOR_TICK) {	3949	while (my $sig = shift @WAIT_FOR_TICK) {
3058	$sig->send;	3950	$sig->send;
3059	}	3951	}
3060		3952
3061	$NOW = Event::time;	3953	$LOAD = ($NOW - $TICK_START) / $TICK;
3062
3063	# if we are delayed by four ticks or more, skip them all
3064	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3065
3066	$TICK_WATCHER->at ($NEXT_TICK);
3067	$TICK_WATCHER->start;
3068
3069	$LOAD = ($NOW - $tick_start) / $TICK;
3070	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3954	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3071		3955
3072	_post_tick;	3956	if (0) {
3073		3957	if ($NEXT_TICK) {
3074		3958	my $jitter = $TICK_START - $NEXT_TICK;
		3959	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3960	warn "jitter $JITTER\n";#d#
		3961	}
3075	},	3962	}
3076	);	3963	}
3077		3964
3078	{	3965	{
3079	BDB::max_poll_time $TICK * 0.1;	3966	# configure BDB
3080	$BDB_POLL_WATCHER = Event->io (	3967
3081	reentrant => 0,
3082	fd => BDB::poll_fileno,
3083	poll => 'r',
3084	prio => 0,
3085	data => WF_AUTOCANCEL,
3086	cb => \&BDB::poll_cb,
3087	);
3088	BDB::min_parallel 8;	3968	BDB::min_parallel 16;
3089		3969	BDB::max_poll_reqs $TICK * 0.1;
3090	BDB::set_sync_prepare {	3970	$AnyEvent::BDB::WATCHER->priority (1);
3091	my $status;
3092	my $current = $Coro::current;
3093	(
3094	sub {
3095	$status = $!;
3096	$current->ready; undef $current;
3097	},
3098	sub {
3099	Coro::schedule while defined $current;
3100	$! = $status;
3101	},
3102	)
3103	};
3104		3971
3105	unless ($DB_ENV) {	3972	unless ($DB_ENV) {
3106	$DB_ENV = BDB::db_env_create;	3973	$DB_ENV = BDB::db_env_create;
		3974	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3975	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3976	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3977	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3978	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3107		3979
3108	cf::sync_job {	3980	cf::sync_job {
3109	eval {	3981	eval {
3110	BDB::db_env_open	3982	BDB::db_env_open
3111	$DB_ENV,	3983	$DB_ENV,
…		…
3113	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3985	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3114	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3986	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3115	0666;	3987	0666;
3116		3988
3117	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3989	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3118
3119	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3120	$DB_ENV->set_lk_detect;
3121	};	3990	};
3122		3991
3123	cf::cleanup "db_env_open(db): $@" if $@;	3992	cf::cleanup "db_env_open(db): $@" if $@;
3124	};	3993	};
3125	}	3994	}
		3995
		3996	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3997	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3998	};
		3999	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4000	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4001	};
		4002	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4003	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4004	};
3126	}	4005	}
3127		4006
3128	{	4007	{
		4008	# configure IO::AIO
		4009
3129	IO::AIO::min_parallel 8;	4010	IO::AIO::min_parallel 8;
3130
3131	undef $Coro::AIO::WATCHER;
3132	IO::AIO::max_poll_time $TICK * 0.1;	4011	IO::AIO::max_poll_time $TICK * 0.1;
3133	$AIO_POLL_WATCHER = Event->io (	4012	undef $AnyEvent::AIO::WATCHER;
3134	reentrant => 0,
3135	data => WF_AUTOCANCEL,
3136	fd => IO::AIO::poll_fileno,
3137	poll => 'r',
3138	prio => 6,
3139	cb => \&IO::AIO::poll_cb,
3140	);
3141	}	4013	}
3142		4014
3143	my $_log_backtrace;	4015	my $_log_backtrace;
3144		4016
3145	sub _log_backtrace {	4017	sub _log_backtrace {
…		…
3148	$msg =~ s/\n//;	4020	$msg =~ s/\n//;
3149		4021
3150	# limit the # of concurrent backtraces	4022	# limit the # of concurrent backtraces
3151	if ($_log_backtrace < 2) {	4023	if ($_log_backtrace < 2) {
3152	++$_log_backtrace;	4024	++$_log_backtrace;
		4025	my $perl_bt = Carp::longmess $msg;
3153	async {	4026	async {
		4027	$Coro::current->{desc} = "abt $msg";
		4028
3154	my @bt = fork_call {	4029	my @bt = fork_call {
3155	@addr = map { sprintf "%x", $_ } @addr;	4030	@addr = map { sprintf "%x", $_ } @addr;
3156	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4031	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3157	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4032	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3158	or die "addr2line: $!";	4033	or die "addr2line: $!";
…		…
3166	}	4041	}
3167		4042
3168	@funcs	4043	@funcs
3169	};	4044	};
3170		4045
3171	LOG llevInfo, "[ABT] $msg\n";	4046	LOG llevInfo, "[ABT] $perl_bt\n";
		4047	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3172	LOG llevInfo, "[ABT] $_\n" for @bt;	4048	LOG llevInfo, "[ABT] $_\n" for @bt;
3173	--$_log_backtrace;	4049	--$_log_backtrace;
3174	};	4050	};
3175	} else {	4051	} else {
3176	LOG llevInfo, "[ABT] $msg\n";	4052	LOG llevInfo, "[ABT] $msg\n";
3177	LOG llevInfo, "[ABT] [suppressed]\n";	4053	LOG llevInfo, "[ABT] [suppressed]\n";
3178	}	4054	}
3179	}	4055	}
3180		4056
3181	# load additional modules	4057	# load additional modules
3182	use cf::pod;	4058	require "cf/$_.pm" for @EXTRA_MODULES;
		4059	cf::_connect_to_perl_2;
3183		4060
3184	END { cf::emergency_save }	4061	END { cf::emergency_save }
3185		4062
3186	1	4063	1
3187		4064

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