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Revision 1.301 by root, Tue Jul 10 07:01:51 2007 UTC vs.
Revision 1.510 by root, Tue Apr 6 22:59:28 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
25	use JSON::XS 1.4 ();	55	use JSON::XS 2.01 ();
26	use BDB ();	56	use BDB ();
27	use Data::Dumper;	57	use Data::Dumper;
28	use Digest::MD5;
29	use Fcntl;	58	use Fcntl;
30	use YAML::Syck ();	59	use YAML::XS ();
31	use IO::AIO 2.32 ();	60	use IO::AIO ();
32	use Time::HiRes;	61	use Time::HiRes;
33	use Compress::LZF;	62	use Compress::LZF;
		63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
34		66
35	# configure various modules to our taste	67	# configure various modules to our taste
36	#	68	#
37	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
38	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";
39	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
40		77
41	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
42		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
44	$YAML::Syck::ImplicitUnicode = 1;
45
46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
47		80
48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
49		82
50	our %COMMAND = ();	83	our %COMMAND = ();
51	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
…		…
54	our %EXTCMD = ();	87	our %EXTCMD = ();
55	our %EXTICMD = ();	88	our %EXTICMD = ();
56	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
57	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
58		91
59	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
60	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
61		96
62	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
63	our $DATADIR = datadir;	98	our $DATADIR = datadir;
64	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
65	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
66	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
67	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
68	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
71	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
72	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE;
73		112
74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	113	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
75	our $TICK_WATCHER;
76	our $AIO_POLL_WATCHER;
77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	114	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
78	our $NEXT_TICK;	115	our $NEXT_TICK;
79	our $NOW;
80	our $USE_FSYNC = 1; # use fsync to write maps - default off	116	our $USE_FSYNC = 1; # use fsync to write maps - default on
81		117
		118	our $BDB_DEADLOCK_WATCHER;
		119	our $BDB_CHECKPOINT_WATCHER;
82	our $BDB_POLL_WATCHER;	120	our $BDB_TRICKLE_WATCHER;
83	our $DB_ENV;	121	our $DB_ENV;
		122
		123	our @EXTRA_MODULES = qw(pod match mapscript);
84		124
85	our %CFG;	125	our %CFG;
86		126
87	our $UPTIME; $UPTIME ||= time;	127	our $UPTIME; $UPTIME ||= time;
88	our $RUNTIME;	128	our $RUNTIME;
		129	our $NOW;
89		130
90	our %PLAYER; # all users	131	our (%PLAYER, %PLAYER_LOADING); # all users
91	our %MAP; # all maps	132	our (%MAP, %MAP_LOADING ); # all maps
92	our $LINK_MAP; # the special {link} map, which is always available	133	our $LINK_MAP; # the special {link} map, which is always available
93		134
94	# 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 ∕
95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	136	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
96		137
97	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)
98	our $LOADAVG; # same thing, but with alpha-smoothing	139	our $LOADAVG; # same thing, but with alpha-smoothing
		140	our $JITTER; # average jitter
99	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 $REALLY_UNLOOP; # never set to true, please :)
100		147
101	binmode STDOUT;	148	binmode STDOUT;
102	binmode STDERR;	149	binmode STDERR;
103		150
104	# read virtual server time, if available	151	# read virtual server time, if available
105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	152	unless ($RUNTIME || !-e $RUNTIMEFILE) {
106	open my $fh, "<", "$LOCALDIR/runtime"	153	open my $fh, "<", $RUNTIMEFILE
107	or die "unable to read runtime file: $!";	154	or die "unable to read $RUNTIMEFILE file: $!";
108	$RUNTIME = <$fh> + 0.;	155	$RUNTIME = <$fh> + 0.;
109	}	156	}
		157
		158	eval "sub TICK() { $TICK } 1" or die;
110		159
111	mkdir $_	160	mkdir $_
112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	161	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
113		162
114	our $EMERGENCY_POSITION;	163	our $EMERGENCY_POSITION;
115		164
116	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::"} };
117		177
118	#############################################################################	178	#############################################################################
119		179
120	=head2 GLOBAL VARIABLES	180	=head2 GLOBAL VARIABLES
121		181
…		…
157		217
158	The raw value load value from the last tick.	218	The raw value load value from the last tick.
159		219
160	=item %cf::CFG	220	=item %cf::CFG
161		221
162	Configuration for the server, loaded from C</etc/crossfire/config>, or	222	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
163	from wherever your confdir points to.	223	from wherever your confdir points to.
164		224
165	=item cf::wait_for_tick, cf::wait_for_tick_begin	225	=item cf::wait_for_tick, cf::wait_for_tick_begin
166		226
167	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
168	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
169	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.
170		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
171	=back	243	=back
172		244
173	=cut	245	=cut
174		246
175	BEGIN {	247	$Coro::State::WARNHOOK = sub {
176	*CORE::GLOBAL::warn = sub {
177	my $msg = join "", @_;	248	my $msg = join "", @_;
178		249
179	$msg .= "\n"	250	$msg .= "\n"
180	unless $msg =~ /\n$/;	251	unless $msg =~ /\n$/;
181		252
182	$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;
183		254
184	utf8::encode $msg;
185	LOG llevError, $msg;	255	LOG llevError, $msg;
186	};	256	};
187	}	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	};
188		271
189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	272	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	273	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	274	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	275	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
199	for my $pkg (qw(	282	for my $pkg (qw(
200	cf::global cf::attachable	283	cf::global cf::attachable
201	cf::object cf::object::player	284	cf::object cf::object::player
202	cf::client cf::player	285	cf::client cf::player
203	cf::arch cf::living	286	cf::arch cf::living
		287	cf::map cf::mapspace
204	cf::map cf::party cf::region	288	cf::party cf::region
205	)) {	289	)) {
206	no strict 'refs';
207	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	290	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
208	}	291	}
209		292
210	$Event::DIED = sub {	293	$EV::DIED = sub {
211	warn "error in event callback: @_";	294	Carp::cluck "error in event callback: @_";
212	};	295	};
213		296
214	#############################################################################	297	#############################################################################
215		298
216	=head2 UTILITY FUNCTIONS	299	=head2 UTILITY FUNCTIONS
…		…
238	$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;
239	$d	322	$d
240	} || "[unable to dump $_[0]: '$@']";	323	} || "[unable to dump $_[0]: '$@']";
241	}	324	}
242		325
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
251	=cut	334	=cut
252		335
253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	336	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
254		337
255	sub to_json ($) { $json_coder->encode ($_[0]) }	338	sub encode_json($) { $json_coder->encode ($_[0]) }
256	sub from_json ($) { $json_coder->decode ($_[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	}
257		354
258	=item cf::lock_wait $string	355	=item cf::lock_wait $string
259		356
260	Wait until the given lock is available. See cf::lock_acquire.	357	Wait until the given lock is available. See cf::lock_acquire.
261		358
262	=item my $lock = cf::lock_acquire $string	359	=item my $lock = cf::lock_acquire $string
263		360
264	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
265	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,
266	for example when the coroutine gets canceled), the lock is automatically	363	for example when the coroutine gets canceled), the lock is automatically
267	returned.	364	returned.
268		365
		366	Locks are *not* recursive, locking from the same coro twice results in a
		367	deadlocked coro.
		368
269	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
270	uses map_find and cf::map::load uses map_load).	370	uses map_find and cf::map::load uses map_load).
271		371
272	=item $locked = cf::lock_active $string	372	=item $locked = cf::lock_active $string
273		373
274	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.
275		375
276	=cut	376	=cut
277		377
278	our %LOCK;	378	our $LOCKS = new Coro::SemaphoreSet;
279		379
280	sub lock_wait($) {	380	sub lock_wait($) {
281	my ($key) = @_;	381	$LOCKS->wait ($_[0]);
282
283	# wait for lock, if any
284	while ($LOCK{$key}) {
285	push @{ $LOCK{$key} }, $Coro::current;
286	Coro::schedule;
287	}
288	}	382	}
289		383
290	sub lock_acquire($) {	384	sub lock_acquire($) {
291	my ($key) = @_;	385	$LOCKS->guard ($_[0])
292
293	# wait, to be sure we are not locked
294	lock_wait $key;
295
296	$LOCK{$key} = [];
297
298	Coro::guard {
299	# wake up all waiters, to be on the safe side
300	$_->ready for @{ delete $LOCK{$key} };
301	}
302	}	386	}
303		387
304	sub lock_active($) {	388	sub lock_active($) {
305	my ($key) = @_;	389	$LOCKS->count ($_[0]) < 1
306
307	! ! $LOCK{$key}
308	}	390	}
309		391
310	sub freeze_mainloop {	392	sub freeze_mainloop {
311	return unless $TICK_WATCHER->is_active;	393	tick_inhibit_inc;
312		394
313	my $guard = Coro::guard {	395	&Guard::guard (\&tick_inhibit_dec);
314	$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($$) {
		406	my ($interval, $cb) = @_;
		407
		408	my $start = rand List::Util::min 180, $interval;
		409
		410	EV::periodic $start, $interval, 0, $cb
		411	}
		412
		413	=item cf::get_slot $time[, $priority[, $name]]
		414
		415	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		416	This call blocks and returns only when you have at least C<$time> seconds
		417	of cpu time till the next tick. The slot is only valid till the next cede.
		418
		419	The optional C<$name> can be used to identify the job to run. It might be
		420	used for statistical purposes and should identify the same time-class.
		421
		422	Useful for short background jobs.
		423
		424	=cut
		425
		426	our @SLOT_QUEUE;
		427	our $SLOT_QUEUE;
		428	our $SLOT_DECAY = 0.9;
		429
		430	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		431	$SLOT_QUEUE = Coro::async {
		432	$Coro::current->desc ("timeslot manager");
		433
		434	my $signal = new Coro::Signal;
		435	my $busy;
		436
		437	while () {
		438	next_job:
		439
		440	my $avail = cf::till_tick;
		441
		442	for (0 .. $#SLOT_QUEUE) {
		443	if ($SLOT_QUEUE[$_][0] <= $avail) {
		444	$busy = 0;
		445	my $job = splice @SLOT_QUEUE, $_, 1, ();
		446	$job->[2]->send;
		447	Coro::cede;
		448	goto next_job;
		449	} else {
		450	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		451	}
		452	}
		453
		454	if (@SLOT_QUEUE) {
		455	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		456	push @cf::WAIT_FOR_TICK, $signal;
		457	$signal->wait;
		458	} else {
		459	$busy = 0;
		460	Coro::schedule;
		461	}
315	};	462	}
316	$TICK_WATCHER->stop;	463	};
317	$guard	464
		465	sub get_slot($;$$) {
		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	$sig->wait;
318	}	478	}
319		479
320	=item cf::async { BLOCK }	480	=item cf::async { BLOCK }
321		481
322	Currently the same as Coro::async_pool, meaning you cannot use	482	Currently the same as Coro::async_pool, meaning you cannot use
…		…
327		487
328	BEGIN { *async = \&Coro::async_pool }	488	BEGIN { *async = \&Coro::async_pool }
329		489
330	=item cf::sync_job { BLOCK }	490	=item cf::sync_job { BLOCK }
331		491
332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	492	The design of Deliantra requires that the main coroutine ($Coro::main)
333	is always able to handle events or runnable, as Crossfire TRT is only	493	is always able to handle events or runnable, as Deliantra is only
334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	494	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
335	acceptable.	495	acceptable.
336		496
337	If it must be done, put the blocking parts into C<sync_job>. This will run	497	If it must be done, put the blocking parts into C<sync_job>. This will run
338	the given BLOCK in another coroutine while waiting for the result. The	498	the given BLOCK in another coroutine while waiting for the result. The
…		…
343		503
344	sub sync_job(&) {	504	sub sync_job(&) {
345	my ($job) = @_;	505	my ($job) = @_;
346		506
347	if ($Coro::current == $Coro::main) {	507	if ($Coro::current == $Coro::main) {
348	my $time = Event::time;	508	my $time = EV::time;
349		509
350	# this is the main coro, too bad, we have to block	510	# this is the main coro, too bad, we have to block
351	# till the operation succeeds, freezing the server :/	511	# till the operation succeeds, freezing the server :/
352		512
353	# TODO: use suspend/resume instead	513	LOG llevError, Carp::longmess "sync job";#d#
354	# (but this is cancel-safe)	514
355	my $freeze_guard = freeze_mainloop;	515	my $freeze_guard = freeze_mainloop;
356		516
357	my $busy = 1;	517	my $busy = 1;
358	my @res;	518	my @res;
359		519
360	(async {	520	(async {
		521	$Coro::current->desc ("sync job coro");
361	@res = eval { $job->() };	522	@res = eval { $job->() };
362	warn $@ if $@;	523	warn $@ if $@;
363	undef $busy;	524	undef $busy;
364	})->prio (Coro::PRIO_MAX);	525	})->prio (Coro::PRIO_MAX);
365		526
366	while ($busy) {	527	while ($busy) {
367	Coro::cede or Event::one_event;	528	if (Coro::nready) {
		529	Coro::cede_notself;
		530	} else {
		531	EV::loop EV::LOOP_ONESHOT;
368	}	532	}
		533	}
369		534
370	$time = Event::time - $time;	535	my $time = EV::time - $time;
371		536
372	LOG llevError | logBacktrace, Carp::longmess "long sync job"
373	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
374
375	$tick_start += $time; # do not account sync jobs to server load	537	$TICK_START += $time; # do not account sync jobs to server load
376		538
377	wantarray ? @res : $res[0]	539	wantarray ? @res : $res[0]
378	} else {	540	} else {
379	# we are in another coroutine, how wonderful, everything just works	541	# we are in another coroutine, how wonderful, everything just works
380		542
…		…
405	=item fork_call { }, $args	567	=item fork_call { }, $args
406		568
407	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
408	process, returning the results. Everything must be serialisable with	570	process, returning the results. Everything must be serialisable with
409	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
410	never block itself or use any form of Event handling.	572	never block itself or use any form of event handling.
411		573
412	=cut	574	=cut
413
414	sub _store_scalar {
415	open my $fh, ">", \my $buf
416	or die "fork_call: cannot open fh-to-buf in child : $!";
417	Storable::store_fd $_[0], $fh;
418	close $fh;
419
420	$buf
421	}
422		575
423	sub fork_call(&@) {	576	sub fork_call(&@) {
424	my ($cb, @args) = @_;	577	my ($cb, @args) = @_;
425		578
426	# 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,
427	# or die "socketpair: $!";	580	# otherwise perl prematurely frees the stuff :/
428	pipe my $fh1, my $fh2	581	# TODO: investigate and fix (likely this will be rather laborious)
429	or die "pipe: $!";
430		582
431	if (my $pid = fork) {	583	my @res = Coro::Util::fork_eval {
432	close $fh2;
433
434	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
435	warn "pst<$res>" unless $res =~ /^pst/;
436	$res = Coro::Storable::thaw $res;
437
438	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
439
440	Carp::confess $$res unless "ARRAY" eq ref $res;
441
442	return wantarray ? @$res : $res->[-1];
443	} else {
444	reset_signals;	584	reset_signals;
445	local $SIG{__WARN__};	585	&$cb
446	local $SIG{__DIE__};	586	}, @args;
447	# just in case, this hack effectively disables event
448	# in the child. cleaner and slower would be canceling all watchers,
449	# but this works for the time being.
450	local $Coro::idle;
451	$Coro::current->prio (Coro::PRIO_MAX);
452		587
453	eval {	588	wantarray ? @res : $res[-1]
454	close $fh1;	589	}
455		590
456	my @res = eval { $cb->(@args) };	591	=item $coin = coin_from_name $name
457		592
458	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;	593	=cut
459	close $fh2;
460	};
461		594
462	warn $@ if $@;	595	our %coin_alias = (
463	_exit 0;	596	"silver" => "silvercoin",
464	}	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
465	}	616	}
466		617
467	=item $value = cf::db_get $family => $key	618	=item $value = cf::db_get $family => $key
468		619
469	Returns a single value from the environment database.	620	Returns a single value from the environment database.
…		…
471	=item cf::db_put $family => $key => $value	622	=item cf::db_put $family => $key => $value
472		623
473	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
474	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).
475		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
476	=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	}
477		650
478	our $DB;	651	our $DB;
479		652
480	sub db_init {	653	sub db_init {
481	unless ($DB) {
482	$DB = BDB::db_create $DB_ENV;
483
484	cf::sync_job {	654	cf::sync_job {
485	eval {	655	$DB ||= db_table "db";
486	$DB->set_flags (BDB::CHKSUM);
487
488	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
489	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
490	cf::cleanup "db_open(db): $!" if $!;
491	};
492	cf::cleanup "db_open(db): $@" if $@;
493	};
494	}	656	};
495	}	657	}
496		658
497	sub db_get($$) {	659	sub db_get($$) {
498	my $key = "$_[0]/$_[1]";	660	my $key = "$_[0]/$_[1]";
499		661
…		…
549	if (1) {	711	if (1) {
550	$md5 =	712	$md5 =
551	join "\x00",	713	join "\x00",
552	$processversion,	714	$processversion,
553	map {	715	map {
554	Coro::cede;	716	cf::cede_to_tick;
555	($src->[$_], Digest::MD5::md5_hex $data[$_])	717	($src->[$_], Digest::MD5::md5_hex $data[$_])
556	} 0.. $#$src;	718	} 0.. $#$src;
557		719
558		720
559	my $dbmd5 = db_get cache => "$id/md5";	721	my $dbmd5 = db_get cache => "$id/md5";
…		…
597		759
598	#############################################################################	760	#############################################################################
599		761
600	=head2 ATTACHABLE OBJECTS	762	=head2 ATTACHABLE OBJECTS
601		763
602	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
603	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")
604	to it. All such attachable objects support the following methods.	766	to it. All such attachable objects support the following methods.
605		767
606	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>
607	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
608	Crossfire TRT).	770	Deliantra).
609		771
610	=over 4	772	=over 4
611		773
612	=item $attachable->attach ($attachment, key => $value...)	774	=item $attachable->attach ($attachment, key => $value...)
613		775
…		…
657	=item cf::CLASS::attachment $name, ...	819	=item cf::CLASS::attachment $name, ...
658		820
659	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
660	given CLASS can refer to this attachment.	822	given CLASS can refer to this attachment.
661		823
662	Some classes such as crossfire maps and objects can specify attachments	824	Some classes such as deliantra maps and objects can specify attachments
663	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.
664		826
665	These calls expect any number of the following handler/hook descriptions:	827	These calls expect any number of the following handler/hook descriptions:
666		828
667	=over 4	829	=over 4
…		…
865	";	1027	";
866	die if $@;	1028	die if $@;
867	}	1029	}
868		1030
869	our $override;	1031	our $override;
870	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?
871		1033
872	sub override {	1034	sub override {
873	$override = 1;	1035	$override = 1;
874	@invoke_results = ();	1036	@INVOKE_RESULTS = (@_);
875	}	1037	}
876		1038
877	sub do_invoke {	1039	sub do_invoke {
878	my $event = shift;	1040	my $event = shift;
879	my $callbacks = shift;	1041	my $callbacks = shift;
880		1042
881	@invoke_results = ();	1043	@INVOKE_RESULTS = ();
882		1044
883	local $override;	1045	local $override;
884		1046
885	for (@$callbacks) {	1047	for (@$callbacks) {
886	eval { &{$_->[1]} };	1048	eval { &{$_->[1]} };
…		…
895	}	1057	}
896		1058
897	0	1059	0
898	}	1060	}
899		1061
900	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1062	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
901		1063
902	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1064	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
903		1065
904	Generate an object-specific event with the given arguments.	1066	Generate an object-specific event with the given arguments.
905		1067
906	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
907	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
908	results (if you must, access C<@cf::invoke_results> directly).	1070	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
909		1071
910	=back	1072	=back
911		1073
912	=cut	1074	=cut
913		1075
914	#############################################################################	1076	#############################################################################
915	# 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	}
916		1120
917	sub reattach {	1121	sub reattach {
918	# basically do the same as instantiate, without calling instantiate	1122	# basically do the same as instantiate, without calling instantiate
919	my ($obj) = @_;	1123	my ($obj) = @_;
920		1124
		1125	# no longer needed after getting rid of delete_package?
921	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
922		1127
923	my $registry = $obj->registry;	1128	my $registry = $obj->registry;
924		1129
925	@$registry = ();	1130	@$registry = ();
926		1131
…		…
941	cf::attachable->attach (	1146	cf::attachable->attach (
942	prio => -1000000,	1147	prio => -1000000,
943	on_instantiate => sub {	1148	on_instantiate => sub {
944	my ($obj, $data) = @_;	1149	my ($obj, $data) = @_;
945		1150
946	$data = from_json $data;	1151	$data = decode_json $data;
947		1152
948	for (@$data) {	1153	for (@$data) {
949	my ($name, $args) = @$_;	1154	my ($name, $args) = @$_;
950		1155
951	$obj->attach ($name, %{$args || {} });	1156	$obj->attach ($name, %{$args || {} });
…		…
967	sub object_freezer_save {	1172	sub object_freezer_save {
968	my ($filename, $rdata, $objs) = @_;	1173	my ($filename, $rdata, $objs) = @_;
969		1174
970	sync_job {	1175	sync_job {
971	if (length $$rdata) {	1176	if (length $$rdata) {
		1177	utf8::decode (my $decname = $filename);
972	warn sprintf "saving %s (%d,%d)\n",	1178	warn sprintf "saving %s (%d,%d)\n",
973	$filename, length $$rdata, scalar @$objs;	1179	$decname, length $$rdata, scalar @$objs;
974		1180
975	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1181	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
976	chmod SAVE_MODE, $fh;	1182	aio_chmod $fh, SAVE_MODE;
977	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1183	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
978	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	}
979	close $fh;	1188	aio_close $fh;
980		1189
981	if (@$objs) {	1190	if (@$objs) {
982	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) {
983	chmod SAVE_MODE, $fh;	1192	aio_chmod $fh, SAVE_MODE;
984	my $data = Storable::nfreeze { version => 1, objs => $objs };	1193	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
985	aio_write $fh, 0, (length $data), $data, 0;	1194	aio_write $fh, 0, (length $data), $data, 0;
986	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	}
987	close $fh;	1199	aio_close $fh;
988	aio_rename "$filename.pst~", "$filename.pst";	1200	aio_rename "$filename.pst~", "$filename.pst";
989	}	1201	}
990	} else {	1202	} else {
991	aio_unlink "$filename.pst";	1203	aio_unlink "$filename.pst";
992	}	1204	}
993		1205
994	aio_rename "$filename~", $filename;	1206	aio_rename "$filename~", $filename;
		1207
		1208	$filename =~ s%/[^/]+$%%;
		1209	aio_pathsync $filename if $cf::USE_FSYNC;
995	} else {	1210	} else {
996	warn "FATAL: $filename~: $!\n";	1211	warn "unable to save objects: $filename~: $!\n";
997	}	1212	}
998	} else {	1213	} else {
999	aio_unlink $filename;	1214	aio_unlink $filename;
1000	aio_unlink "$filename.pst";	1215	aio_unlink "$filename.pst";
1001	}	1216	}
1002	}	1217	};
1003	}	1218	}
1004		1219
1005	sub object_freezer_as_string {	1220	sub object_freezer_as_string {
1006	my ($rdata, $objs) = @_;	1221	my ($rdata, $objs) = @_;
1007		1222
…		…
1019	or return;	1234	or return;
1020		1235
1021	unless (aio_stat "$filename.pst") {	1236	unless (aio_stat "$filename.pst") {
1022	(aio_load "$filename.pst", $av) >= 0	1237	(aio_load "$filename.pst", $av) >= 0
1023	or return;	1238	or return;
		1239
1024	$av = eval { (Storable::thaw $av)->{objs} };	1240	my $st = eval { Coro::Storable::thaw $av };
		1241	$av = $st->{objs};
1025	}	1242	}
1026		1243
		1244	utf8::decode (my $decname = $filename);
1027	warn sprintf "loading %s (%d)\n",	1245	warn sprintf "loading %s (%d,%d)\n",
1028	$filename, length $data, scalar @{$av || []};	1246	$decname, length $data, scalar @{$av || []};
		1247
1029	return ($data, $av);	1248	($data, $av)
1030	}	1249	}
1031		1250
1032	=head2 COMMAND CALLBACKS	1251	=head2 COMMAND CALLBACKS
1033		1252
1034	=over 4	1253	=over 4
…		…
1088	my ($name, $cb) = @_;	1307	my ($name, $cb) = @_;
1089		1308
1090	$EXTICMD{$name} = $cb;	1309	$EXTICMD{$name} = $cb;
1091	}	1310	}
1092		1311
		1312	use File::Glob ();
		1313
1093	cf::player->attach (	1314	cf::player->attach (
1094	on_command => sub {	1315	on_unknown_command => sub {
1095	my ($pl, $name, $params) = @_;	1316	my ($pl, $name, $params) = @_;
1096		1317
1097	my $cb = $COMMAND{$name}	1318	my $cb = $COMMAND{$name}
1098	or return;	1319	or return;
1099		1320
…		…
1107	my ($pl, $buf) = @_;	1328	my ($pl, $buf) = @_;
1108		1329
1109	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1330	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1110		1331
1111	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
1112	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1340	if (my $cb = $EXTCMD{$type}) {
1113	if (my %reply = $cb->($pl, $msg)) {	1341	@reply = $cb->($pl, @payload);
1114	$pl->ext_reply ($msg->{msgid}, %reply);
1115	}
1116	}	1342	}
		1343
		1344	$pl->ext_reply ($reply, @reply)
		1345	if $reply;
		1346
1117	} else {	1347	} else {
1118	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1348	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1119	}	1349	}
1120		1350
1121	cf::override;	1351	cf::override;
1122	},	1352	},
1123	);	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	}
1124		1367
1125	sub load_extensions {	1368	sub load_extensions {
1126	cf::sync_job {	1369	cf::sync_job {
1127	my %todo;	1370	my %todo;
1128		1371
…		…
1148		1391
1149	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1392	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1150	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1393	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1151		1394
1152	$ext{source} =	1395	$ext{source} =
1153	"package $pkg; use strict; use utf8;\n"	1396	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1154	. "#line 1 \"$path\"\n{\n"	1397	. "#line 1 \"$path\"\n{\n"
1155	. $source	1398	. $source
1156	. "\n};\n1";	1399	. "\n};\n1";
1157		1400
1158	$todo{$base} = \%ext;	1401	$todo{$base} = \%ext;
1159	}	1402	}
1160		1403
		1404	my $pass = 0;
1161	my %done;	1405	my %done;
1162	while (%todo) {	1406	while (%todo) {
1163	my $progress;	1407	my $progress;
1164		1408
		1409	++$pass;
		1410
		1411	ext:
1165	while (my ($k, $v) = each %todo) {	1412	while (my ($k, $v) = each %todo) {
1166	for (split /,\s*/, $v->{meta}{depends}) {	1413	for (split /,\s*/, $v->{meta}{depends}) {
1167	goto skip	1414	next ext
1168	unless exists $done{$_};	1415	unless exists $done{$_};
1169	}	1416	}
1170		1417
1171	warn "... loading '$k' into '$v->{pkg}'\n";	1418	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1172		1419
1173	unless (eval $v->{source}) {	1420	my $active = eval $v->{source};
		1421
		1422	if (length $@) {
1174	my $msg = $@ ? "$v->{path}: $@\n"	1423	warn "$v->{path}: $@\n";
1175	: "$v->{base}: extension inactive.\n";
1176		1424
		1425	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1177	if (exists $v->{meta}{mandatory}) {	1426	if exists $v->{meta}{mandatory};
1178	warn $msg;	1427	} else {
1179	warn "mandatory extension failed to load, exiting.\n";	1428	$done{$k} = delete $todo{$k};
1180	exit 1;	1429	push @EXTS, $v->{pkg};
1181	}	1430	$progress = 1;
1182		1431
1183	warn $msg;	1432	warn "$v->{base}: extension inactive.\n"
		1433	unless $active;
1184	}	1434	}
1185
1186	$done{$k} = delete $todo{$k};
1187	push @EXTS, $v->{pkg};
1188	$progress = 1;
1189	}	1435	}
1190		1436
1191	skip:	1437	unless ($progress) {
1192	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1438	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1193	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	}
1194	}	1445	}
1195	};	1446	};
1196	}	1447	}
1197		1448
1198	#############################################################################	1449	#############################################################################
1199		1450
1200	=back	1451	=back
1201		1452
1202	=head2 CORE EXTENSIONS	1453	=head2 CORE EXTENSIONS
1203		1454
1204	Functions and methods that extend core crossfire objects.	1455	Functions and methods that extend core deliantra objects.
1205		1456
1206	=cut	1457	=cut
1207		1458
1208	package cf::player;	1459	package cf::player;
1209		1460
1210	use Coro::AIO;	1461	use Coro::AIO;
1211		1462
1212	=head3 cf::player	1463	=head3 cf::player
1213		1464
1214	=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	}
1215		1480
1216	=item cf::player::find $login	1481	=item cf::player::find $login
1217		1482
1218	Returns the given player object, loading it if necessary (might block).	1483	Returns the given player object, loading it if necessary (might block).
1219		1484
…		…
1238		1503
1239	sub exists($) {	1504	sub exists($) {
1240	my ($login) = @_;	1505	my ($login) = @_;
1241		1506
1242	$cf::PLAYER{$login}	1507	$cf::PLAYER{$login}
1243	or cf::sync_job { !aio_stat path $login }	1508	or !aio_stat path $login
1244	}	1509	}
1245		1510
1246	sub find($) {	1511	sub find($) {
1247	return $cf::PLAYER{$_[0]} || do {	1512	return $cf::PLAYER{$_[0]} || do {
1248	my $login = $_[0];	1513	my $login = $_[0];
…		…
1255	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1520	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1256	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1521	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1257	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1522	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1258	aio_unlink +(playerdir $login) . "/$login.pl";	1523	aio_unlink +(playerdir $login) . "/$login.pl";
1259		1524
1260	my $pl = load_pl path $login	1525	my $f = new_from_file cf::object::thawer path $login
1261	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;
1262	$cf::PLAYER{$login} = $pl	1533	$cf::PLAYER{$login} = $pl
1263	}	1534	}
1264	}	1535	}
1265	}	1536	}
1266		1537
…		…
1275	return if $pl->{deny_save};	1546	return if $pl->{deny_save};
1276		1547
1277	aio_mkdir playerdir $pl, 0770;	1548	aio_mkdir playerdir $pl, 0770;
1278	$pl->{last_save} = $cf::RUNTIME;	1549	$pl->{last_save} = $cf::RUNTIME;
1279		1550
		1551	cf::get_slot 0.01;
		1552
1280	$pl->save_pl ($path);	1553	$pl->save_pl ($path);
1281	Coro::cede;	1554	cf::cede_to_tick;
1282	}	1555	}
1283		1556
1284	sub new($) {	1557	sub new($) {
1285	my ($login) = @_;	1558	my ($login) = @_;
1286		1559
…		…
1292	$cf::PLAYER{$login} = $self;	1565	$cf::PLAYER{$login} = $self;
1293		1566
1294	$self	1567	$self
1295	}	1568	}
1296		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
1297	=item $pl->quit_character	1580	=item $pl->quit_character
1298		1581
1299	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
1300	be destroyed. May block for a long time.	1583	be destroyed. May block for a long time.
1301		1584
…		…
1305	my ($pl) = @_;	1588	my ($pl) = @_;
1306		1589
1307	my $name = $pl->ob->name;	1590	my $name = $pl->ob->name;
1308		1591
1309	$pl->{deny_save} = 1;	1592	$pl->{deny_save} = 1;
1310	$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
1311		1594
1312	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1595	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1313	$pl->deactivate;	1596	$pl->deactivate;
		1597	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1598	$pl->ob->check_score;
1314	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1599	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1315	$pl->ns->destroy if $pl->ns;	1600	$pl->ns->destroy if $pl->ns;
1316		1601
1317	my $path = playerdir $pl;	1602	my $path = playerdir $pl;
1318	my $temp = "$path~$cf::RUNTIME~deleting~";	1603	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1354	or return [];	1639	or return [];
1355		1640
1356	my @logins;	1641	my @logins;
1357		1642
1358	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") {
1359	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1649	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1360	aio_read $fh, 0, 512, my $buf, 0 or next;	1650	aio_read $fh, 0, 512, my $buf, 0 or next;
1361	$buf !~ /^password -------------$/m or next; # official not-valid tag	1651	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1652	}
1362		1653
1363	utf8::decode $login;	1654	utf8::decode $login;
1364	push @logins, $login;	1655	push @logins, $login;
1365	}	1656	}
1366		1657
…		…
1393	}	1684	}
1394		1685
1395	\@paths	1686	\@paths
1396	}	1687	}
1397		1688
1398	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1689	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1399		1690
1400	Expand crossfire pod fragments into protocol xml.	1691	Expand deliantra pod fragments into protocol xml.
1401		1692
1402	=cut
1403
1404	sub expand_cfpod {
1405	((my $self), (local $_)) = @_;
1406
1407	# escape & and <
1408	s/&/&amp;/g;
1409	s/(?<![BIUGH])</&lt;/g;
1410
1411	# this is buggy, it needs to properly take care of nested <'s
1412
1413	1 while
1414	# replace B<>, I<>, U<> etc.
1415	s/B<([^\>]*)>/<b>$1<\/b>/
1416	|| s/I<([^\>]*)>/<i>$1<\/i>/
1417	|| s/U<([^\>]*)>/<u>$1<\/u>/
1418	# replace G<male|female> tags
1419	|| s{G<([^>|]*)\|([^>]*)>}{
1420	$self->gender ? $2 : $1
1421	}ge
1422	# replace H<hint text>
1423	|| s{H<([^\>]*)>}
1424	{
1425	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1426	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1427	"")
1428	[$self->{hintmode}]
1429	}ge;
1430
1431	# create single paragraphs (very hackish)
1432	s/(?<=\S)\n(?=\w)/ /g;
1433
1434	# compress some whitespace
1435	s/\s+\n/\n/g; # ws line-ends
1436	s/\n\n+/\n/g; # double lines
1437	s/^\n+//; # beginning lines
1438	s/\n+$//; # ending lines
1439
1440	$_
1441	}
1442
1443	sub hintmode {
1444	$_[0]{hintmode} = $_[1] if @_ > 1;
1445	$_[0]{hintmode}
1446	}
1447
1448	=item $player->ext_reply ($msgid, %msg)	1693	=item $player->ext_reply ($msgid, @msg)
1449		1694
1450	Sends an ext reply to the player.	1695	Sends an ext reply to the player.
1451		1696
1452	=cut	1697	=cut
1453		1698
1454	sub ext_reply($$%) {	1699	sub ext_reply($$@) {
1455	my ($self, $id, %msg) = @_;	1700	my ($self, $id, @msg) = @_;
1456		1701
1457	$msg{msgid} = $id;	1702	$self->ns->ext_reply ($id, @msg)
1458	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1459	}	1703	}
1460		1704
1461	=item $player->ext_event ($type, %msg)	1705	=item $player->ext_msg ($type, @msg)
1462		1706
1463	Sends an ext event to the client.	1707	Sends an ext event to the client.
1464		1708
1465	=cut	1709	=cut
1466		1710
1467	sub ext_event($$%) {	1711	sub ext_msg($$@) {
1468	my ($self, $type, %msg) = @_;	1712	my ($self, $type, @msg) = @_;
1469		1713
1470	$self->ns->ext_event ($type, %msg);	1714	$self->ns->ext_msg ($type, @msg);
1471	}	1715	}
1472		1716
1473	=head3 cf::region	1717	=head3 cf::region
1474		1718
1475	=over 4	1719	=over 4
…		…
1488	my ($path) = @_;	1732	my ($path) = @_;
1489		1733
1490	my ($match, $specificity);	1734	my ($match, $specificity);
1491		1735
1492	for my $region (list) {	1736	for my $region (list) {
1493	if ($region->match && $path =~ $region->match) {	1737	if ($region->{match} && $path =~ $region->{match}) {
1494	($match, $specificity) = ($region, $region->specificity)	1738	($match, $specificity) = ($region, $region->specificity)
1495	if $region->specificity > $specificity;	1739	if $region->specificity > $specificity;
1496	}	1740	}
1497	}	1741	}
1498		1742
…		…
1519	our $MAX_RESET = 3600;	1763	our $MAX_RESET = 3600;
1520	our $DEFAULT_RESET = 3000;	1764	our $DEFAULT_RESET = 3000;
1521		1765
1522	sub generate_random_map {	1766	sub generate_random_map {
1523	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
1524	# mit "rum" bekleckern, nicht	1771	# mit "rum" bekleckern, nicht
1525	$self->_create_random_map (	1772	$self->_create_random_map (
1526	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1773	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1527	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1774	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1528	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1775	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1529	$rmp->{exit_on_final_map},	1776	$rmp->{exit_on_final_map},
1530	$rmp->{xsize}, $rmp->{ysize},	1777	$rmp->{xsize}, $rmp->{ysize},
1531	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1778	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1532	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1779	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1618	$self->init; # pass $1 etc.	1865	$self->init; # pass $1 etc.
1619	return $self;	1866	return $self;
1620	}	1867	}
1621	}	1868	}
1622		1869
1623	Carp::carp "unable to resolve path '$path' (base '$base').";	1870	Carp::cluck "unable to resolve path '$path' (base '$base').";
1624	()	1871	()
1625	}	1872	}
1626		1873
1627	sub init {	1874	sub init {
1628	my ($self) = @_;	1875	my ($self) = @_;
…		…
1650		1897
1651	# the temporary/swap location	1898	# the temporary/swap location
1652	sub save_path {	1899	sub save_path {
1653	my ($self) = @_;	1900	my ($self) = @_;
1654		1901
1655	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1902	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1656	"$TMPDIR/$path.map"	1903	"$TMPDIR/$path.map"
1657	}	1904	}
1658		1905
1659	# the unique path, undef == no special unique path	1906	# the unique path, undef == no special unique path
1660	sub uniq_path {	1907	sub uniq_path {
1661	my ($self) = @_;	1908	my ($self) = @_;
1662		1909
1663	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1910	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1664	"$UNIQUEDIR/$path"	1911	"$UNIQUEDIR/$path"
1665	}
1666
1667	# and all this just because we cannot iterate over
1668	# all maps in C++...
1669	sub change_all_map_light {
1670	my ($change) = @_;
1671
1672	$_->change_map_light ($change)
1673	for grep $_->outdoor, values %cf::MAP;
1674	}	1912	}
1675		1913
1676	sub decay_objects {	1914	sub decay_objects {
1677	my ($self) = @_;	1915	my ($self) = @_;
1678		1916
…		…
1691		1929
1692	sub load_header_from($) {	1930	sub load_header_from($) {
1693	my ($self, $path) = @_;	1931	my ($self, $path) = @_;
1694		1932
1695	utf8::encode $path;	1933	utf8::encode $path;
1696	#aio_open $path, O_RDONLY, 0	1934	my $f = new_from_file cf::object::thawer $path
1697	# or return;
1698
1699	$self->_load_header ($path)
1700	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;
1701		1942
1702	$self->{load_path} = $path;	1943	$self->{load_path} = $path;
1703		1944
1704	1	1945	1
1705	}	1946	}
…		…
1759	sub find {	2000	sub find {
1760	my ($path, $origin) = @_;	2001	my ($path, $origin) = @_;
1761		2002
1762	$path = normalise $path, $origin && $origin->path;	2003	$path = normalise $path, $origin && $origin->path;
1763		2004
		2005	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1764	cf::lock_wait "map_find:$path";	2006	my $guard2 = cf::lock_acquire "map_find:$path";
1765		2007
1766	$cf::MAP{$path} || do {	2008	$cf::MAP{$path} || do {
1767	my $guard = cf::lock_acquire "map_find:$path";
1768	my $map = new_from_path cf::map $path	2009	my $map = new_from_path cf::map $path
1769	or return;	2010	or return;
1770		2011
1771	$map->{last_save} = $cf::RUNTIME;	2012	$map->{last_save} = $cf::RUNTIME;
1772		2013
…		…
1774	or return;	2015	or return;
1775		2016
1776	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2017	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1777	# doing this can freeze the server in a sync job, obviously	2018	# doing this can freeze the server in a sync job, obviously
1778	#$cf::WAIT_FOR_TICK->wait;	2019	#$cf::WAIT_FOR_TICK->wait;
		2020	undef $guard2;
		2021	undef $guard1;
1779	$map->reset;	2022	$map->reset;
1780	undef $guard;
1781	return find $path;	2023	return find $path;
1782	}	2024	}
1783		2025
1784	$cf::MAP{$path} = $map	2026	$cf::MAP{$path} = $map
1785	}	2027	}
1786	}	2028	}
1787		2029
1788	sub pre_load { }	2030	sub pre_load { }
1789	sub post_load { }	2031	#sub post_load { } # XS
1790		2032
1791	sub load {	2033	sub load {
1792	my ($self) = @_;	2034	my ($self) = @_;
1793		2035
1794	local $self->{deny_reset} = 1; # loading can take a long time	2036	local $self->{deny_reset} = 1; # loading can take a long time
1795		2037
1796	my $path = $self->{path};	2038	my $path = $self->{path};
1797		2039
1798	{	2040	{
1799	my $guard = cf::lock_acquire "map_load:$path";	2041	my $guard = cf::lock_acquire "map_data:$path";
1800		2042
		2043	return unless $self->valid;
1801	return if $self->in_memory != cf::MAP_SWAPPED;	2044	return unless $self->in_memory == cf::MAP_SWAPPED;
1802		2045
1803	$self->in_memory (cf::MAP_LOADING);	2046	$self->in_memory (cf::MAP_LOADING);
1804		2047
1805	$self->alloc;	2048	$self->alloc;
1806		2049
1807	$self->pre_load;	2050	$self->pre_load;
1808	Coro::cede;	2051	cf::cede_to_tick;
1809		2052
		2053	my $f = new_from_file cf::object::thawer $self->{load_path};
		2054	$f->skip_block;
1810	$self->_load_objects ($self->{load_path}, 1)	2055	$self->_load_objects ($f)
1811	or return;	2056	or return;
1812		2057
1813	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2058	$self->post_load_original
1814	if delete $self->{load_original};	2059	if delete $self->{load_original};
1815		2060
1816	if (my $uniq = $self->uniq_path) {	2061	if (my $uniq = $self->uniq_path) {
1817	utf8::encode $uniq;	2062	utf8::encode $uniq;
1818	if (aio_open $uniq, O_RDONLY, 0) {	2063	unless (aio_stat $uniq) {
		2064	if (my $f = new_from_file cf::object::thawer $uniq) {
1819	$self->clear_unique_items;	2065	$self->clear_unique_items;
1820	$self->_load_objects ($uniq, 0);	2066	$self->_load_objects ($f);
		2067	$f->resolve_delayed_derefs;
		2068	}
1821	}	2069	}
1822	}	2070	}
1823		2071
1824	Coro::cede;	2072	$f->resolve_delayed_derefs;
		2073
		2074	cf::cede_to_tick;
1825	# now do the right thing for maps	2075	# now do the right thing for maps
1826	$self->link_multipart_objects;	2076	$self->link_multipart_objects;
1827	$self->difficulty ($self->estimate_difficulty)	2077	$self->difficulty ($self->estimate_difficulty)
1828	unless $self->difficulty;	2078	unless $self->difficulty;
1829	Coro::cede;	2079	cf::cede_to_tick;
1830		2080
1831	unless ($self->{deny_activate}) {	2081	unless ($self->{deny_activate}) {
1832	$self->decay_objects;	2082	$self->decay_objects;
1833	$self->fix_auto_apply;	2083	$self->fix_auto_apply;
1834	$self->update_buttons;	2084	$self->update_buttons;
1835	Coro::cede;	2085	cf::cede_to_tick;
1836	$self->set_darkness_map;
1837	Coro::cede;
1838	$self->activate;	2086	$self->activate;
1839	}	2087	}
1840		2088
		2089	$self->{last_save} = $cf::RUNTIME;
		2090	$self->last_access ($cf::RUNTIME);
		2091
1841	$self->in_memory (cf::MAP_IN_MEMORY);	2092	$self->in_memory (cf::MAP_ACTIVE);
1842	}	2093	}
1843		2094
1844	$self->post_load;	2095	$self->post_load;
1845	}	2096	}
1846		2097
		2098	# customize the map for a given player, i.e.
		2099	# return the _real_ map. used by e.g. per-player
		2100	# maps to change the path to ~playername/mappath
1847	sub customise_for {	2101	sub customise_for {
1848	my ($self, $ob) = @_;	2102	my ($self, $ob) = @_;
1849		2103
1850	return find "~" . $ob->name . "/" . $self->{path}	2104	return find "~" . $ob->name . "/" . $self->{path}
1851	if $self->per_player;	2105	if $self->per_player;
…		…
1855		2109
1856	$self	2110	$self
1857	}	2111	}
1858		2112
1859	# find and load all maps in the 3x3 area around a map	2113	# find and load all maps in the 3x3 area around a map
1860	sub load_diag {	2114	sub load_neighbours {
1861	my ($map) = @_;	2115	my ($map) = @_;
1862		2116
1863	my @diag; # diagonal neighbours	2117	my @neigh; # diagonal neighbours
1864		2118
1865	for (0 .. 3) {	2119	for (0 .. 3) {
1866	my $neigh = $map->tile_path ($_)	2120	my $neigh = $map->tile_path ($_)
1867	or next;	2121	or next;
1868	$neigh = find $neigh, $map	2122	$neigh = find $neigh, $map
1869	or next;	2123	or next;
1870	$neigh->load;	2124	$neigh->load;
1871		2125
		2126	push @neigh,
1872	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2127	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1873	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2128	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1874	}	2129	}
1875		2130
1876	for (@diag) {	2131	for (grep defined $_->[0], @neigh) {
		2132	my ($path, $origin) = @$_;
1877	my $neigh = find @$_	2133	my $neigh = find $path, $origin
1878	or next;	2134	or next;
1879	$neigh->load;	2135	$neigh->load;
1880	}	2136	}
1881	}	2137	}
1882		2138
…		…
1887	}	2143	}
1888		2144
1889	sub do_load_sync {	2145	sub do_load_sync {
1890	my ($map) = @_;	2146	my ($map) = @_;
1891		2147
		2148	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2149	if $Coro::current == $Coro::main;
		2150
1892	cf::sync_job { $map->load };	2151	cf::sync_job { $map->load };
1893	}	2152	}
1894		2153
1895	our %MAP_PREFETCH;	2154	our %MAP_PREFETCH;
1896	our $MAP_PREFETCHER = undef;	2155	our $MAP_PREFETCHER = undef;
1897		2156
1898	sub find_async {	2157	sub find_async {
1899	my ($path, $origin) = @_;	2158	my ($path, $origin, $load) = @_;
1900		2159
1901	$path = normalise $path, $origin && $origin->{path};	2160	$path = normalise $path, $origin && $origin->{path};
1902		2161
1903	if (my $map = $cf::MAP{$path}) {	2162	if (my $map = $cf::MAP{$path}) {
1904	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2163	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1905	}	2164	}
1906		2165
1907	undef $MAP_PREFETCH{$path};	2166	$MAP_PREFETCH{$path} |= $load;
		2167
1908	$MAP_PREFETCHER ||= cf::async {	2168	$MAP_PREFETCHER ||= cf::async {
		2169	$Coro::current->{desc} = "map prefetcher";
		2170
1909	while (%MAP_PREFETCH) {	2171	while (%MAP_PREFETCH) {
1910	for my $path (keys %MAP_PREFETCH) {	2172	while (my ($k, $v) = each %MAP_PREFETCH) {
1911	my $map = find $path	2173	if (my $map = find $k) {
1912	or next;
1913	$map->load;	2174	$map->load if $v;
		2175	}
1914		2176
1915	delete $MAP_PREFETCH{$path};	2177	delete $MAP_PREFETCH{$k};
1916	}	2178	}
1917	}	2179	}
1918	undef $MAP_PREFETCHER;	2180	undef $MAP_PREFETCHER;
1919	};	2181	};
1920	$MAP_PREFETCHER->prio (6);	2182	$MAP_PREFETCHER->prio (6);
…		…
1923	}	2185	}
1924		2186
1925	sub save {	2187	sub save {
1926	my ($self) = @_;	2188	my ($self) = @_;
1927		2189
1928	my $lock = cf::lock_acquire "map_data:" . $self->path;	2190	my $lock = cf::lock_acquire "map_data:$self->{path}";
1929		2191
1930	$self->{last_save} = $cf::RUNTIME;	2192	$self->{last_save} = $cf::RUNTIME;
1931		2193
1932	return unless $self->dirty;	2194	return unless $self->dirty;
1933		2195
…		…
1939	return if $self->{deny_save};	2201	return if $self->{deny_save};
1940		2202
1941	local $self->{last_access} = $self->last_access;#d#	2203	local $self->{last_access} = $self->last_access;#d#
1942		2204
1943	cf::async {	2205	cf::async {
		2206	$Coro::current->{desc} = "map player save";
1944	$_->contr->save for $self->players;	2207	$_->contr->save for $self->players;
1945	};	2208	};
		2209
		2210	cf::get_slot 0.02;
1946		2211
1947	if ($uniq) {	2212	if ($uniq) {
1948	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2213	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1949	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2214	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1950	} else {	2215	} else {
…		…
1956	my ($self) = @_;	2221	my ($self) = @_;
1957		2222
1958	# save first because save cedes	2223	# save first because save cedes
1959	$self->save;	2224	$self->save;
1960		2225
1961	my $lock = cf::lock_acquire "map_data:" . $self->path;	2226	my $lock = cf::lock_acquire "map_data:$self->{path}";
1962		2227
1963	return if $self->players;	2228	return if $self->players;
1964	return if $self->in_memory != cf::MAP_IN_MEMORY;	2229	return if $self->in_memory != cf::MAP_ACTIVE;
1965	return if $self->{deny_save};	2230	return if $self->{deny_save};
1966		2231
		2232	$self->in_memory (cf::MAP_SWAPPED);
		2233
		2234	$self->deactivate;
		2235	$_->clear_links_to ($self) for values %cf::MAP;
1967	$self->clear;	2236	$self->clear;
1968	$self->in_memory (cf::MAP_SWAPPED);
1969	}	2237	}
1970		2238
1971	sub reset_at {	2239	sub reset_at {
1972	my ($self) = @_;	2240	my ($self) = @_;
1973		2241
…		…
1991		2259
1992	my $lock = cf::lock_acquire "map_data:$self->{path}";	2260	my $lock = cf::lock_acquire "map_data:$self->{path}";
1993		2261
1994	return if $self->players;	2262	return if $self->players;
1995		2263
1996	warn "resetting map ", $self->path;	2264	warn "resetting map ", $self->path, "\n";
1997		2265
1998	$self->in_memory (cf::MAP_SWAPPED);	2266	$self->in_memory (cf::MAP_SWAPPED);
1999		2267
2000	# need to save uniques path	2268	# need to save uniques path
2001	unless ($self->{deny_save}) {	2269	unless ($self->{deny_save}) {
…		…
2005	if $uniq;	2273	if $uniq;
2006	}	2274	}
2007		2275
2008	delete $cf::MAP{$self->path};	2276	delete $cf::MAP{$self->path};
2009		2277
		2278	$self->deactivate;
		2279	$_->clear_links_to ($self) for values %cf::MAP;
2010	$self->clear;	2280	$self->clear;
2011
2012	$_->clear_links_to ($self) for values %cf::MAP;
2013		2281
2014	$self->unlink_save;	2282	$self->unlink_save;
2015	$self->destroy;	2283	$self->destroy;
2016	}	2284	}
2017		2285
2018	my $nuke_counter = "aaaa";	2286	my $nuke_counter = "aaaa";
2019		2287
2020	sub nuke {	2288	sub nuke {
2021	my ($self) = @_;	2289	my ($self) = @_;
2022		2290
		2291	{
		2292	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2293
2023	delete $cf::MAP{$self->path};	2294	delete $cf::MAP{$self->path};
2024		2295
2025	$self->unlink_save;	2296	$self->unlink_save;
2026		2297
2027	bless $self, "cf::map";	2298	bless $self, "cf::map";
2028	delete $self->{deny_reset};	2299	delete $self->{deny_reset};
2029	$self->{deny_save} = 1;	2300	$self->{deny_save} = 1;
2030	$self->reset_timeout (1);	2301	$self->reset_timeout (1);
2031	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2302	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2032		2303
2033	$cf::MAP{$self->path} = $self;	2304	$cf::MAP{$self->path} = $self;
		2305	}
2034		2306
2035	$self->reset; # polite request, might not happen	2307	$self->reset; # polite request, might not happen
2036	}	2308	}
2037		2309
2038	=item $maps = cf::map::tmp_maps	2310	=item $maps = cf::map::tmp_maps
…		…
2080		2352
2081	sub unique_maps() {	2353	sub unique_maps() {
2082	[	2354	[
2083	map {	2355	map {
2084	utf8::decode $_;	2356	utf8::decode $_;
2085	/\.map$/	2357	s/\.map$//; # TODO future compatibility hack
		2358	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2359	? ()
2086	? normalise $_	2360	: normalise $_
2087	: ()
2088	} @{ aio_readdir $UNIQUEDIR or [] }	2361	} @{ aio_readdir $UNIQUEDIR or [] }
2089	]	2362	]
2090	}	2363	}
2091		2364
2092	package cf;	2365	=item cf::map::static_maps
		2366
		2367	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2368	file in the shared directory excluding F</styles> and F</editor>). May
		2369	block.
		2370
		2371	=cut
		2372
		2373	sub static_maps() {
		2374	my @dirs = "";
		2375	my @maps;
		2376
		2377	while (@dirs) {
		2378	my $dir = shift @dirs;
		2379
		2380	next if $dir eq "/styles" || $dir eq "/editor";
		2381
		2382	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2383	or return;
		2384
		2385	for (@$files) {
		2386	s/\.map$// or next;
		2387	utf8::decode $_;
		2388	push @maps, "$dir/$_";
		2389	}
		2390
		2391	push @dirs, map "$dir/$_", @$dirs;
		2392	}
		2393
		2394	\@maps
		2395	}
2093		2396
2094	=back	2397	=back
2095		2398
2096	=head3 cf::object	2399	=head3 cf::object
2097		2400
…		…
2101		2404
2102	=over 4	2405	=over 4
2103		2406
2104	=item $ob->inv_recursive	2407	=item $ob->inv_recursive
2105		2408
2106	Returns the inventory of the object _and_ their inventories, recursively.	2409	Returns the inventory of the object I<and> their inventories, recursively,
		2410	but I<not> the object itself.
2107		2411
2108	=cut	2412	=cut
2109		2413
2110	sub inv_recursive_;	2414	sub inv_recursive_;
2111	sub inv_recursive_ {	2415	sub inv_recursive_ {
…		…
2114		2418
2115	sub inv_recursive {	2419	sub inv_recursive {
2116	inv_recursive_ inv $_[0]	2420	inv_recursive_ inv $_[0]
2117	}	2421	}
2118		2422
		2423	=item $ref = $ob->ref
		2424
		2425	Creates and returns a persistent reference to an object that can be stored as a string.
		2426
		2427	=item $ob = cf::object::deref ($refstring)
		2428
		2429	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2430	even if the object actually exists. May block.
		2431
		2432	=cut
		2433
		2434	sub deref {
		2435	my ($ref) = @_;
		2436
		2437	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2438	my ($uuid, $name) = ($1, $2);
		2439	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2440	or return;
		2441	$pl->ob->uuid eq $uuid
		2442	or return;
		2443
		2444	$pl->ob
		2445	} else {
		2446	warn "$ref: cannot resolve object reference\n";
		2447	undef
		2448	}
		2449	}
		2450
2119	package cf;	2451	package cf;
2120		2452
2121	=back	2453	=back
2122		2454
2123	=head3 cf::object::player	2455	=head3 cf::object::player
…		…
2129	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2461	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2130	can be C<undef>. Does the right thing when the player is currently in a	2462	can be C<undef>. Does the right thing when the player is currently in a
2131	dialogue with the given NPC character.	2463	dialogue with the given NPC character.
2132		2464
2133	=cut	2465	=cut
		2466
		2467	our $SAY_CHANNEL = {
		2468	id => "say",
		2469	title => "Map",
		2470	reply => "say ",
		2471	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2472	};
		2473
		2474	our $CHAT_CHANNEL = {
		2475	id => "chat",
		2476	title => "Chat",
		2477	reply => "chat ",
		2478	tooltip => "Player chat and shouts, global to the server.",
		2479	};
2134		2480
2135	# rough implementation of a future "reply" method that works	2481	# rough implementation of a future "reply" method that works
2136	# with dialog boxes.	2482	# with dialog boxes.
2137	#TODO: the first argument must go, split into a $npc->reply_to ( method	2483	#TODO: the first argument must go, split into a $npc->reply_to ( method
2138	sub cf::object::player::reply($$$;$) {	2484	sub cf::object::player::reply($$$;$) {
…		…
2145		2491
2146	} else {	2492	} else {
2147	my $pl = $self->contr;	2493	my $pl = $self->contr;
2148		2494
2149	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2495	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2150	my $diag = $pl->{npc_dialog};	2496	my $dialog = $pl->{npc_dialog};
2151	$diag->{pl}->ext_reply (	2497	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2152	$diag->{id},
2153	msgtype => "reply",
2154	msg => $diag->{pl}->expand_cfpod ($msg),
2155	add_topics => []
2156	);
2157		2498
2158	} else {	2499	} else {
2159	$msg = $npc->name . " says: $msg" if $npc;	2500	$msg = $npc->name . " says: $msg" if $npc;
2160	$self->message ($msg, $flags);	2501	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2161	}	2502	}
2162	}	2503	}
		2504	}
		2505
		2506	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2507
		2508	=cut
		2509
		2510	sub cf::object::send_msg {
		2511	my $pl = shift->contr
		2512	or return;
		2513	$pl->send_msg (@_);
2163	}	2514	}
2164		2515
2165	=item $player_object->may ("access")	2516	=item $player_object->may ("access")
2166		2517
2167	Returns wether the given player is authorized to access resource "access"	2518	Returns wether the given player is authorized to access resource "access"
…		…
2180		2531
2181	=item $player_object->enter_link	2532	=item $player_object->enter_link
2182		2533
2183	Freezes the player and moves him/her to a special map (C<{link}>).	2534	Freezes the player and moves him/her to a special map (C<{link}>).
2184		2535
2185	The player should be reasonably safe there for short amounts of time. You	2536	The player should be reasonably safe there for short amounts of time (e.g.
2186	I<MUST> call C<leave_link> as soon as possible, though.	2537	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2538	though, as the palyer cannot control the character while it is on the link
		2539	map.
2187		2540
2188	Will never block.	2541	Will never block.
2189		2542
2190	=item $player_object->leave_link ($map, $x, $y)	2543	=item $player_object->leave_link ($map, $x, $y)
2191		2544
…		…
2243	($x, $y) = (-1, -1)	2596	($x, $y) = (-1, -1)
2244	unless (defined $x) && (defined $y);	2597	unless (defined $x) && (defined $y);
2245		2598
2246	# use -1 or undef as default coordinates, not 0, 0	2599	# use -1 or undef as default coordinates, not 0, 0
2247	($x, $y) = ($map->enter_x, $map->enter_y)	2600	($x, $y) = ($map->enter_x, $map->enter_y)
2248	if $x <=0 && $y <= 0;	2601	if $x <= 0 && $y <= 0;
2249		2602
2250	$map->load;	2603	$map->load;
2251	$map->load_diag;	2604	$map->load_neighbours;
2252		2605
2253	return unless $self->contr->active;	2606	return unless $self->contr->active;
2254	$self->activate_recursive;
2255		2607
2256	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2608	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2257	$self->enter_map ($map, $x, $y);	2609	$self->enter_map ($map, $x, $y);
2258	}
2259		2610
		2611	# only activate afterwards, to support waiting in hooks
		2612	$self->activate_recursive;
		2613	}
		2614
2260	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2615	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2261		2616
2262	Moves the player to the given map-path and coordinates by first freezing	2617	Moves the player to the given map-path and coordinates by first freezing
2263	her, loading and preparing them map, calling the provided $check callback	2618	her, loading and preparing them map, calling the provided $check callback
2264	that has to return the map if sucecssful, and then unfreezes the player on	2619	that has to return the map if sucecssful, and then unfreezes the player on
2265	the new (success) or old (failed) map position.	2620	the new (success) or old (failed) map position. In either case, $done will
		2621	be called at the end of this process.
		2622
		2623	Note that $check will be called with a potentially non-loaded map, so if
		2624	it needs a loaded map it has to call C<< ->load >>.
2266		2625
2267	=cut	2626	=cut
2268		2627
2269	our $GOTOGEN;	2628	our $GOTOGEN;
2270		2629
2271	sub cf::object::player::goto {	2630	sub cf::object::player::goto {
2272	my ($self, $path, $x, $y, $check) = @_;	2631	my ($self, $path, $x, $y, $check, $done) = @_;
2273		2632
2274	# do generation counting so two concurrent goto's will be executed in-order	2633	# do generation counting so two concurrent goto's will be executed in-order
2275	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2634	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2276		2635
2277	$self->enter_link;	2636	$self->enter_link;
2278		2637
2279	(async {	2638	(async {
		2639	$Coro::current->{desc} = "player::goto $path $x $y";
		2640
		2641	# *tag paths override both path and x|y
		2642	if ($path =~ /^\*(.*)$/) {
		2643	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2644	my $ob = $obs[rand @obs];
		2645
		2646	# see if we actually can go there
		2647	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2648	$ob = $obs[rand @obs];
		2649	} else {
		2650	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2651	}
		2652	# else put us there anyways for now #d#
		2653
		2654	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2655	} else {
		2656	($path, $x, $y) = (undef, undef, undef);
		2657	}
		2658	}
		2659
2280	my $map = eval {	2660	my $map = eval {
2281	my $map = cf::map::find $path;	2661	my $map = defined $path ? cf::map::find $path : undef;
2282		2662
2283	if ($map) {	2663	if ($map) {
2284	$map = $map->customise_for ($self);	2664	$map = $map->customise_for ($self);
2285	$map = $check->($map) if $check && $map;	2665	$map = $check->($map) if $check && $map;
2286	} else {	2666	} else {
2287	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2667	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2288	}	2668	}
2289		2669
2290	$map	2670	$map
2291	};	2671	};
2292		2672
…		…
2297		2677
2298	if ($gen == $self->{_goto_generation}) {	2678	if ($gen == $self->{_goto_generation}) {
2299	delete $self->{_goto_generation};	2679	delete $self->{_goto_generation};
2300	$self->leave_link ($map, $x, $y);	2680	$self->leave_link ($map, $x, $y);
2301	}	2681	}
		2682
		2683	$done->() if $done;
2302	})->prio (1);	2684	})->prio (1);
2303	}	2685	}
2304		2686
2305	=item $player_object->enter_exit ($exit_object)	2687	=item $player_object->enter_exit ($exit_object)
2306		2688
…		…
2326	}	2708	}
2327		2709
2328	sub prepare_random_map {	2710	sub prepare_random_map {
2329	my ($exit) = @_;	2711	my ($exit) = @_;
2330		2712
2331	my $guard = cf::lock_acquire "exit_prepare:$exit";
2332
2333	# all this does is basically replace the /! path by	2713	# all this does is basically replace the /! path by
2334	# a new random map path (?random/...) with a seed	2714	# a new random map path (?random/...) with a seed
2335	# that depends on the exit object	2715	# that depends on the exit object
2336		2716
2337	my $rmp = parse_random_map_params $exit->msg;	2717	my $rmp = parse_random_map_params $exit->msg;
…		…
2339	if ($exit->map) {	2719	if ($exit->map) {
2340	$rmp->{region} = $exit->region->name;	2720	$rmp->{region} = $exit->region->name;
2341	$rmp->{origin_map} = $exit->map->path;	2721	$rmp->{origin_map} = $exit->map->path;
2342	$rmp->{origin_x} = $exit->x;	2722	$rmp->{origin_x} = $exit->x;
2343	$rmp->{origin_y} = $exit->y;	2723	$rmp->{origin_y} = $exit->y;
		2724
		2725	$exit->map->touch;
2344	}	2726	}
2345		2727
2346	$rmp->{random_seed} ||= $exit->random_seed;	2728	$rmp->{random_seed} ||= $exit->random_seed;
2347		2729
2348	my $data = cf::to_json $rmp;	2730	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2349	my $md5 = Digest::MD5::md5_hex $data;	2731	my $md5 = Digest::MD5::md5_hex $data;
2350	my $meta = "$RANDOMDIR/$md5.meta";	2732	my $meta = "$RANDOMDIR/$md5.meta";
2351		2733
2352	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2734	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2353	aio_write $fh, 0, (length $data), $data, 0;	2735	aio_write $fh, 0, (length $data), $data, 0;
2354	undef $fh;	2736	undef $fh;
2355	aio_rename "$meta~", $meta;	2737	aio_rename "$meta~", $meta;
2356		2738
		2739	my $slaying = "?random/$md5";
		2740
		2741	if ($exit->valid) {
2357	$exit->slaying ("?random/$md5");	2742	$exit->slaying ("?random/$md5");
2358	$exit->msg (undef);	2743	$exit->msg (undef);
		2744	}
2359	}	2745	}
2360	}	2746	}
2361		2747
2362	sub cf::object::player::enter_exit {	2748	sub cf::object::player::enter_exit {
2363	my ($self, $exit) = @_;	2749	my ($self, $exit) = @_;
2364		2750
2365	return unless $self->type == cf::PLAYER;	2751	return unless $self->type == cf::PLAYER;
2366		2752
2367	if ($exit->slaying eq "/!") {
2368	#TODO: this should de-fi-ni-te-ly not be a sync-job
2369	# the problem is that $exit might not survive long enough
2370	# so it needs to be done right now, right here
2371	cf::sync_job { prepare_random_map $exit };
2372	}
2373
2374	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2375	my $hp = $exit->stats->hp;
2376	my $sp = $exit->stats->sp;
2377
2378	$self->enter_link;	2753	$self->enter_link;
2379		2754
2380	# if exit is damned, update players death & WoR home-position
2381	$self->contr->savebed ($slaying, $hp, $sp)
2382	if $exit->flag (FLAG_DAMNED);
2383
2384	(async {	2755	(async {
2385	$self->deactivate_recursive; # just to be sure	2756	$Coro::current->{desc} = "enter_exit";
		2757
2386	unless (eval {	2758	unless (eval {
		2759	$self->deactivate_recursive; # just to be sure
		2760
		2761	# random map handling
		2762	{
		2763	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2764
		2765	prepare_random_map $exit
		2766	if $exit->slaying eq "/!";
		2767	}
		2768
		2769	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2770	my $x = $exit->stats->hp;
		2771	my $y = $exit->stats->sp;
		2772
2387	$self->goto ($slaying, $hp, $sp);	2773	$self->goto ($map, $x, $y);
2388		2774
		2775	# if exit is damned, update players death & WoR home-position
		2776	$self->contr->savebed ($map, $x, $y)
		2777	if $exit->flag (cf::FLAG_DAMNED);
		2778
2389	1;	2779	1
2390	}) {	2780	}) {
2391	$self->message ("Something went wrong deep within the crossfire server. "	2781	$self->message ("Something went wrong deep within the deliantra server. "
2392	. "I'll try to bring you back to the map you were before. "	2782	. "I'll try to bring you back to the map you were before. "
2393	. "Please report this to the dungeon master!",	2783	. "Please report this to the dungeon master!",
2394	cf::NDI_UNIQUE | cf::NDI_RED);	2784	cf::NDI_UNIQUE | cf::NDI_RED);
2395		2785
2396	warn "ERROR in enter_exit: $@";	2786	warn "ERROR in enter_exit: $@";
…		…
2415		2805
2416	utf8::encode $text;	2806	utf8::encode $text;
2417	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2807	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2418	}	2808	}
2419		2809
		2810	=item $client->send_big_packet ($pkt)
		2811
		2812	Like C<send_packet>, but tries to compress large packets, and fragments
		2813	them as required.
		2814
		2815	=cut
		2816
		2817	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2818
		2819	sub cf::client::send_big_packet {
		2820	my ($self, $pkt) = @_;
		2821
		2822	# try lzf for large packets
		2823	$pkt = "lzf " . Compress::LZF::compress $pkt
		2824	if 1024 <= length $pkt and $self->{can_lzf};
		2825
		2826	# split very large packets
		2827	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2828	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2829	$pkt = "frag";
		2830	}
		2831
		2832	$self->send_packet ($pkt);
		2833	}
		2834
2420	=item $client->send_msg ($color, $type, $msg, [extra...])	2835	=item $client->send_msg ($channel, $msg, $color, [extra...])
2421		2836
2422	Send a drawinfo or msg packet to the client, formatting the msg for the	2837	Send a drawinfo or msg packet to the client, formatting the msg for the
2423	client if neccessary. C<$type> should be a string identifying the type of	2838	client if neccessary. C<$type> should be a string identifying the type of
2424	the message, with C<log> being the default. If C<$color> is negative, suppress	2839	the message, with C<log> being the default. If C<$color> is negative, suppress
2425	the message unless the client supports the msg packet.	2840	the message unless the client supports the msg packet.
2426		2841
2427	=cut	2842	=cut
2428		2843
		2844	# non-persistent channels (usually the info channel)
		2845	our %CHANNEL = (
		2846	"c/motd" => {
		2847	id => "infobox",
		2848	title => "MOTD",
		2849	reply => undef,
		2850	tooltip => "The message of the day",
		2851	},
		2852	"c/identify" => {
		2853	id => "infobox",
		2854	title => "Identify",
		2855	reply => undef,
		2856	tooltip => "Items recently identified",
		2857	},
		2858	"c/examine" => {
		2859	id => "infobox",
		2860	title => "Examine",
		2861	reply => undef,
		2862	tooltip => "Signs and other items you examined",
		2863	},
		2864	"c/shopinfo" => {
		2865	id => "infobox",
		2866	title => "Shop Info",
		2867	reply => undef,
		2868	tooltip => "What your bargaining skill tells you about the shop",
		2869	},
		2870	"c/book" => {
		2871	id => "infobox",
		2872	title => "Book",
		2873	reply => undef,
		2874	tooltip => "The contents of a note or book",
		2875	},
		2876	"c/lookat" => {
		2877	id => "infobox",
		2878	title => "Look",
		2879	reply => undef,
		2880	tooltip => "What you saw there",
		2881	},
		2882	"c/who" => {
		2883	id => "infobox",
		2884	title => "Players",
		2885	reply => undef,
		2886	tooltip => "Shows players who are currently online",
		2887	},
		2888	"c/body" => {
		2889	id => "infobox",
		2890	title => "Body Parts",
		2891	reply => undef,
		2892	tooltip => "Shows which body parts you posess and are available",
		2893	},
		2894	"c/statistics" => {
		2895	id => "infobox",
		2896	title => "Statistics",
		2897	reply => undef,
		2898	tooltip => "Shows your primary statistics",
		2899	},
		2900	"c/skills" => {
		2901	id => "infobox",
		2902	title => "Skills",
		2903	reply => undef,
		2904	tooltip => "Shows your experience per skill and item power",
		2905	},
		2906	"c/shopitems" => {
		2907	id => "infobox",
		2908	title => "Shop Items",
		2909	reply => undef,
		2910	tooltip => "Shows the items currently for sale in this shop",
		2911	},
		2912	"c/resistances" => {
		2913	id => "infobox",
		2914	title => "Resistances",
		2915	reply => undef,
		2916	tooltip => "Shows your resistances",
		2917	},
		2918	"c/pets" => {
		2919	id => "infobox",
		2920	title => "Pets",
		2921	reply => undef,
		2922	tooltip => "Shows information abotu your pets/a specific pet",
		2923	},
		2924	"c/perceiveself" => {
		2925	id => "infobox",
		2926	title => "Perceive Self",
		2927	reply => undef,
		2928	tooltip => "You gained detailed knowledge about yourself",
		2929	},
		2930	"c/uptime" => {
		2931	id => "infobox",
		2932	title => "Uptime",
		2933	reply => undef,
		2934	tooltip => "How long the server has been running since last restart",
		2935	},
		2936	"c/mapinfo" => {
		2937	id => "infobox",
		2938	title => "Map Info",
		2939	reply => undef,
		2940	tooltip => "Information related to the maps",
		2941	},
		2942	"c/party" => {
		2943	id => "party",
		2944	title => "Party",
		2945	reply => "gsay ",
		2946	tooltip => "Messages and chat related to your party",
		2947	},
		2948	"c/death" => {
		2949	id => "death",
		2950	title => "Death",
		2951	reply => undef,
		2952	tooltip => "Reason for and more info about your most recent death",
		2953	},
		2954	"c/say" => $SAY_CHANNEL,
		2955	"c/chat" => $CHAT_CHANNEL,
		2956	);
		2957
2429	sub cf::client::send_msg {	2958	sub cf::client::send_msg {
2430	my ($self, $color, $type, $msg, @extra) = @_;	2959	my ($self, $channel, $msg, $color, @extra) = @_;
2431		2960
2432	$msg = $self->pl->expand_cfpod ($msg);	2961	$msg = $self->pl->expand_cfpod ($msg)
		2962	unless $color & cf::NDI_VERBATIM;
		2963
		2964	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2965
		2966	# check predefined channels, for the benefit of C
		2967	if ($CHANNEL{$channel}) {
		2968	$channel = $CHANNEL{$channel};
		2969
		2970	$self->ext_msg (channel_info => $channel);
		2971	$channel = $channel->{id};
		2972
		2973	} elsif (ref $channel) {
		2974	# send meta info to client, if not yet sent
		2975	unless (exists $self->{channel}{$channel->{id}}) {
		2976	$self->{channel}{$channel->{id}} = $channel;
		2977	$self->ext_msg (channel_info => $channel);
		2978	}
		2979
		2980	$channel = $channel->{id};
		2981	}
2433		2982
2434	return unless @extra || length $msg;	2983	return unless @extra || length $msg;
2435		2984
2436	if ($self->can_msg) {	2985	# default colour, mask it out
2437	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	2986	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2438	} else {	2987	if $color & cf::NDI_DEF;
2439	# replace some tags by gcfclient-compatible ones
2440	for ($msg) {
2441	1 while
2442	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2443	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2444	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2445	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2446	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2447	}
2448		2988
2449	if ($color >= 0) {	2989	my $pkt = "msg "
2450	if (0 && $msg =~ /\[/) {	2990	. $self->{json_coder}->encode (
2451	$self->send_packet ("drawextinfo $color 4 0 $msg")	2991	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2452	} else {	2992	);
2453	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2454	$self->send_packet ("drawinfo $color $msg")
2455	}
2456	}
2457	}
2458	}
2459		2993
		2994	$self->send_big_packet ($pkt);
		2995	}
		2996
2460	=item $client->ext_event ($type, %msg)	2997	=item $client->ext_msg ($type, @msg)
2461		2998
2462	Sends an ext event to the client.	2999	Sends an ext event to the client.
2463		3000
2464	=cut	3001	=cut
2465		3002
2466	sub cf::client::ext_event($$%) {	3003	sub cf::client::ext_msg($$@) {
2467	my ($self, $type, %msg) = @_;	3004	my ($self, $type, @msg) = @_;
2468		3005
		3006	if ($self->extcmd == 2) {
		3007	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3008	} elsif ($self->extcmd == 1) { # TODO: remove
2469	$msg{msgtype} = "event_$type";	3009	push @msg, msgtype => "event_$type";
2470	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3010	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3011	}
		3012	}
		3013
		3014	=item $client->ext_reply ($msgid, @msg)
		3015
		3016	Sends an ext reply to the client.
		3017
		3018	=cut
		3019
		3020	sub cf::client::ext_reply($$@) {
		3021	my ($self, $id, @msg) = @_;
		3022
		3023	if ($self->extcmd == 2) {
		3024	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3025	} elsif ($self->extcmd == 1) {
		3026	#TODO: version 1, remove
		3027	unshift @msg, msgtype => "reply", msgid => $id;
		3028	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3029	}
2471	}	3030	}
2472		3031
2473	=item $success = $client->query ($flags, "text", \&cb)	3032	=item $success = $client->query ($flags, "text", \&cb)
2474		3033
2475	Queues a query to the client, calling the given callback with	3034	Queues a query to the client, calling the given callback with
…		…
2530	my ($ns, $buf) = @_;	3089	my ($ns, $buf) = @_;
2531		3090
2532	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3091	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2533		3092
2534	if (ref $msg) {	3093	if (ref $msg) {
		3094	my ($type, $reply, @payload) =
		3095	"ARRAY" eq ref $msg
		3096	? @$msg
		3097	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3098
		3099	my @reply;
		3100
2535	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3101	if (my $cb = $EXTICMD{$type}) {
2536	if (my %reply = $cb->($ns, $msg)) {	3102	@reply = $cb->($ns, @payload);
2537	$reply{msgid} = $msg->{msgid};
2538	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2539	}
2540	}	3103	}
		3104
		3105	$ns->ext_reply ($reply, @reply)
		3106	if $reply;
		3107
2541	} else {	3108	} else {
2542	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3109	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2543	}	3110	}
2544		3111
2545	cf::override;	3112	cf::override;
…		…
2567		3134
2568	$coro	3135	$coro
2569	}	3136	}
2570		3137
2571	cf::client->attach (	3138	cf::client->attach (
2572	on_destroy => sub {	3139	on_client_destroy => sub {
2573	my ($ns) = @_;	3140	my ($ns) = @_;
2574		3141
2575	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3142	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2576	},	3143	},
2577	);	3144	);
…		…
2592	our $safe = new Safe "safe";	3159	our $safe = new Safe "safe";
2593	our $safe_hole = new Safe::Hole;	3160	our $safe_hole = new Safe::Hole;
2594		3161
2595	$SIG{FPE} = 'IGNORE';	3162	$SIG{FPE} = 'IGNORE';
2596		3163
2597	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3164	$safe->permit_only (Opcode::opset qw(
		3165	:base_core :base_mem :base_orig :base_math :base_loop
		3166	grepstart grepwhile mapstart mapwhile
		3167	sort time
		3168	));
2598		3169
2599	# here we export the classes and methods available to script code	3170	# here we export the classes and methods available to script code
2600		3171
2601	=pod	3172	=pod
2602		3173
2603	The following functions and methods are available within a safe environment:	3174	The following functions and methods are available within a safe environment:
2604		3175
2605	cf::object	3176	cf::object
2606	contr pay_amount pay_player map x y force_find force_add	3177	contr pay_amount pay_player map x y force_find force_add destroy
2607	insert remove	3178	insert remove name archname title slaying race decrease split
		3179	value
2608		3180
2609	cf::object::player	3181	cf::object::player
2610	player	3182	player
2611		3183
2612	cf::player	3184	cf::player
…		…
2617		3189
2618	=cut	3190	=cut
2619		3191
2620	for (	3192	for (
2621	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3193	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2622	insert remove)],	3194	insert remove inv nrof name archname title slaying race
		3195	decrease split destroy change_exp value msg lore send_msg)],
2623	["cf::object::player" => qw(player)],	3196	["cf::object::player" => qw(player)],
2624	["cf::player" => qw(peaceful)],	3197	["cf::player" => qw(peaceful send_msg)],
2625	["cf::map" => qw(trigger)],	3198	["cf::map" => qw(trigger)],
2626	) {	3199	) {
2627	no strict 'refs';	3200	no strict 'refs';
2628	my ($pkg, @funs) = @$_;	3201	my ($pkg, @funs) = @$_;
2629	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3202	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2647		3220
2648	my $qcode = $code;	3221	my $qcode = $code;
2649	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3222	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2650	$qcode =~ s/\n/\\n/g;	3223	$qcode =~ s/\n/\\n/g;
2651		3224
		3225	%vars = (_dummy => 0) unless %vars;
		3226
		3227	my @res;
2652	local $_;	3228	local $_;
2653	local @safe::cf::_safe_eval_args = values %vars;
2654		3229
2655	my $eval =	3230	my $eval =
2656	"do {\n"	3231	"do {\n"
2657	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3232	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2658	. "#line 0 \"{$qcode}\"\n"	3233	. "#line 0 \"{$qcode}\"\n"
2659	. $code	3234	. $code
2660	. "\n}"	3235	. "\n}"
2661	;	3236	;
2662		3237
		3238	if ($CFG{safe_eval}) {
2663	sub_generation_inc;	3239	sub_generation_inc;
		3240	local @safe::cf::_safe_eval_args = values %vars;
2664	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3241	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2665	sub_generation_inc;	3242	sub_generation_inc;
		3243	} else {
		3244	local @cf::_safe_eval_args = values %vars;
		3245	@res = wantarray ? eval eval : scalar eval $eval;
		3246	}
2666		3247
2667	if ($@) {	3248	if ($@) {
2668	warn "$@";	3249	warn "$@";
2669	warn "while executing safe code '$code'\n";	3250	warn "while executing safe code '$code'\n";
2670	warn "with arguments " . (join " ", %vars) . "\n";	3251	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2689	=cut	3270	=cut
2690		3271
2691	sub register_script_function {	3272	sub register_script_function {
2692	my ($fun, $cb) = @_;	3273	my ($fun, $cb) = @_;
2693		3274
2694	no strict 'refs';	3275	$fun = "safe::$fun" if $CFG{safe_eval};
2695	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3276	*$fun = $safe_hole->wrap ($cb);
2696	}	3277	}
2697		3278
2698	=back	3279	=back
2699		3280
2700	=cut	3281	=cut
…		…
2702	#############################################################################	3283	#############################################################################
2703	# the server's init and main functions	3284	# the server's init and main functions
2704		3285
2705	sub load_facedata($) {	3286	sub load_facedata($) {
2706	my ($path) = @_;	3287	my ($path) = @_;
		3288
		3289	# HACK to clear player env face cache, we need some signal framework
		3290	# for this (global event?)
		3291	%ext::player_env::MUSIC_FACE_CACHE = ();
		3292
		3293	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2707		3294
2708	warn "loading facedata from $path\n";	3295	warn "loading facedata from $path\n";
2709		3296
2710	my $facedata;	3297	my $facedata;
2711	0 < aio_load $path, $facedata	3298	0 < aio_load $path, $facedata
…		…
2714	$facedata = Coro::Storable::thaw $facedata;	3301	$facedata = Coro::Storable::thaw $facedata;
2715		3302
2716	$facedata->{version} == 2	3303	$facedata->{version} == 2
2717	or cf::cleanup "$path: version mismatch, cannot proceed.";	3304	or cf::cleanup "$path: version mismatch, cannot proceed.";
2718		3305
		3306	# patch in the exptable
		3307	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3308	$facedata->{resource}{"res/exp_table"} = {
		3309	type => FT_RSRC,
		3310	data => $exp_table,
		3311	hash => (Digest::MD5::md5 $exp_table),
		3312	};
		3313	cf::cede_to_tick;
		3314
2719	{	3315	{
2720	my $faces = $facedata->{faceinfo};	3316	my $faces = $facedata->{faceinfo};
2721		3317
2722	while (my ($face, $info) = each %$faces) {	3318	while (my ($face, $info) = each %$faces) {
2723	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3319	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3320
2724	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3321	cf::face::set_visibility $idx, $info->{visibility};
		3322	cf::face::set_magicmap $idx, $info->{magicmap};
2725	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3323	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2726	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3324	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2727	Coro::cede;	3325
		3326	cf::cede_to_tick;
2728	}	3327	}
2729		3328
2730	while (my ($face, $info) = each %$faces) {	3329	while (my ($face, $info) = each %$faces) {
2731	next unless $info->{smooth};	3330	next unless $info->{smooth};
		3331
2732	my $idx = cf::face::find $face	3332	my $idx = cf::face::find $face
2733	or next;	3333	or next;
		3334
2734	if (my $smooth = cf::face::find $info->{smooth}) {	3335	if (my $smooth = cf::face::find $info->{smooth}) {
		3336	cf::face::set_smooth $idx, $smooth;
2735	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3337	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2736	} else {	3338	} else {
2737	warn "smooth face '$info->{smooth}' not found for face '$face'";	3339	warn "smooth face '$info->{smooth}' not found for face '$face'";
2738	}	3340	}
2739	Coro::cede;	3341
		3342	cf::cede_to_tick;
2740	}	3343	}
2741	}	3344	}
2742		3345
2743	{	3346	{
2744	my $anims = $facedata->{animinfo};	3347	my $anims = $facedata->{animinfo};
2745		3348
2746	while (my ($anim, $info) = each %$anims) {	3349	while (my ($anim, $info) = each %$anims) {
2747	cf::anim::set $anim, $info->{frames}, $info->{facings};	3350	cf::anim::set $anim, $info->{frames}, $info->{facings};
2748	Coro::cede;	3351	cf::cede_to_tick;
2749	}	3352	}
2750		3353
2751	cf::anim::invalidate_all; # d'oh	3354	cf::anim::invalidate_all; # d'oh
2752	}	3355	}
2753		3356
		3357	{
		3358	my $res = $facedata->{resource};
		3359
		3360	while (my ($name, $info) = each %$res) {
		3361	if (defined $info->{type}) {
		3362	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3363
		3364	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3365	cf::face::set_type $idx, $info->{type};
		3366	} else {
		3367	$RESOURCE{$name} = $info;
		3368	}
		3369
		3370	cf::cede_to_tick;
		3371	}
		3372	}
		3373
		3374	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3375
2754	1	3376	1
2755	}	3377	}
2756		3378
		3379	cf::global->attach (on_resource_update => sub {
		3380	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3381	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3382
		3383	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3384	my $sound = $soundconf->{compat}[$_]
		3385	or next;
		3386
		3387	my $face = cf::face::find "sound/$sound->[1]";
		3388	cf::sound::set $sound->[0] => $face;
		3389	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3390	}
		3391
		3392	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3393	my $face = cf::face::find "sound/$v";
		3394	cf::sound::set $k => $face;
		3395	}
		3396	}
		3397	});
		3398
		3399	register_exticmd fx_want => sub {
		3400	my ($ns, $want) = @_;
		3401
		3402	while (my ($k, $v) = each %$want) {
		3403	$ns->fx_want ($k, $v);
		3404	}
		3405	};
		3406
		3407	sub load_resource_file($) {
		3408	my $guard = lock_acquire "load_resource_file";
		3409
		3410	my $status = load_resource_file_ $_[0];
		3411	get_slot 0.1, 100;
		3412	cf::arch::commit_load;
		3413
		3414	$status
		3415	}
		3416
2757	sub reload_regions {	3417	sub reload_regions {
		3418	# HACK to clear player env face cache, we need some signal framework
		3419	# for this (global event?)
		3420	%ext::player_env::MUSIC_FACE_CACHE = ();
		3421
2758	load_resource_file "$MAPDIR/regions"	3422	load_resource_file "$MAPDIR/regions"
2759	or die "unable to load regions file\n";	3423	or die "unable to load regions file\n";
		3424
		3425	for (cf::region::list) {
		3426	$_->{match} = qr/$_->{match}/
		3427	if exists $_->{match};
		3428	}
2760	}	3429	}
2761		3430
2762	sub reload_facedata {	3431	sub reload_facedata {
2763	load_facedata "$DATADIR/facedata"	3432	load_facedata "$DATADIR/facedata"
2764	or die "unable to load facedata\n";	3433	or die "unable to load facedata\n";
2765	}	3434	}
2766		3435
2767	sub reload_archetypes {	3436	sub reload_archetypes {
2768	load_resource_file "$DATADIR/archetypes"	3437	load_resource_file "$DATADIR/archetypes"
2769	or die "unable to load archetypes\n";	3438	or die "unable to load archetypes\n";
2770	#d# NEED to laod twice to resolve forward references
2771	# this really needs to be done in an extra post-pass
2772	# (which needs to be synchronous, so solve it differently)
2773	load_resource_file "$DATADIR/archetypes"
2774	or die "unable to load archetypes\n";
2775	}	3439	}
2776		3440
2777	sub reload_treasures {	3441	sub reload_treasures {
2778	load_resource_file "$DATADIR/treasures"	3442	load_resource_file "$DATADIR/treasures"
2779	or die "unable to load treasurelists\n";	3443	or die "unable to load treasurelists\n";
2780	}	3444	}
2781		3445
2782	sub reload_resources {	3446	sub reload_resources {
2783	warn "reloading resource files...\n";	3447	warn "reloading resource files...\n";
2784		3448
		3449	reload_facedata;
		3450	reload_archetypes;
2785	reload_regions;	3451	reload_regions;
2786	reload_facedata;
2787	#reload_archetypes;#d#
2788	reload_archetypes;
2789	reload_treasures;	3452	reload_treasures;
2790		3453
2791	warn "finished reloading resource files\n";	3454	warn "finished reloading resource files\n";
2792	}	3455	}
2793		3456
2794	sub init {	3457	sub reload_config {
2795	reload_resources;	3458	warn "reloading config file...\n";
2796	}
2797		3459
2798	sub cfg_load {
2799	open my $fh, "<:utf8", "$CONFDIR/config"	3460	open my $fh, "<:utf8", "$CONFDIR/config"
2800	or return;	3461	or return;
2801		3462
2802	local $/;	3463	local $/;
2803	*CFG = YAML::Syck::Load <$fh>;	3464	*CFG = YAML::XS::Load scalar <$fh>;
2804		3465
2805	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3466	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2806		3467
2807	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3468	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2808	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3469	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2812	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3473	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2813	and die "WARNING: m(un)lockall failed: $!\n";	3474	and die "WARNING: m(un)lockall failed: $!\n";
2814	};	3475	};
2815	warn $@ if $@;	3476	warn $@ if $@;
2816	}	3477	}
		3478
		3479	warn "finished reloading resource files\n";
		3480	}
		3481
		3482	sub pidfile() {
		3483	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3484	or die "$PIDFILE: $!";
		3485	flock $fh, &Fcntl::LOCK_EX
		3486	or die "$PIDFILE: flock: $!";
		3487	$fh
		3488	}
		3489
		3490	# make sure only one server instance is running at any one time
		3491	sub atomic {
		3492	my $fh = pidfile;
		3493
		3494	my $pid = <$fh>;
		3495	kill 9, $pid if $pid > 0;
		3496
		3497	seek $fh, 0, 0;
		3498	print $fh $$;
		3499	}
		3500
		3501	sub main_loop {
		3502	warn "EV::loop starting\n";
		3503	if (1) {
		3504	EV::loop;
		3505	}
		3506	warn "EV::loop returned\n";
		3507	goto &main_loop unless $REALLY_UNLOOP;
2817	}	3508	}
2818		3509
2819	sub main {	3510	sub main {
		3511	cf::init_globals; # initialise logging
		3512
		3513	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3514	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3515	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3516	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3517
		3518	cf::init_experience;
		3519	cf::init_anim;
		3520	cf::init_attackmess;
		3521	cf::init_dynamic;
		3522
		3523	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3524
2820	# we must not ever block the main coroutine	3525	# we must not ever block the main coroutine
2821	local $Coro::idle = sub {	3526	local $Coro::idle = sub {
2822	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3527	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2823	(async {	3528	(async {
2824	Event::one_event;	3529	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3530	EV::loop EV::LOOP_ONESHOT;
2825	})->prio (Coro::PRIO_MAX);	3531	})->prio (Coro::PRIO_MAX);
2826	};	3532	};
2827		3533
2828	cfg_load;	3534	evthread_start IO::AIO::poll_fileno;
		3535
		3536	cf::sync_job {
		3537	cf::load_settings;
		3538	cf::load_materials;
		3539
		3540	reload_resources;
		3541	reload_config;
2829	db_init;	3542	db_init;
		3543
		3544	cf::init_uuid;
		3545	cf::init_signals;
		3546	cf::init_skills;
		3547
		3548	cf::init_beforeplay;
		3549
		3550	atomic;
		3551
2830	load_extensions;	3552	load_extensions;
2831		3553
2832	$TICK_WATCHER->start;	3554	utime time, time, $RUNTIMEFILE;
2833	Event::loop;	3555
		3556	# no (long-running) fork's whatsoever before this point(!)
		3557	use POSIX ();
		3558	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3559
		3560	(pop @POST_INIT)->(0) while @POST_INIT;
		3561	};
		3562
		3563	main_loop;
2834	}	3564	}
2835		3565
2836	#############################################################################	3566	#############################################################################
2837	# initialisation and cleanup	3567	# initialisation and cleanup
2838		3568
2839	# install some emergency cleanup handlers	3569	# install some emergency cleanup handlers
2840	BEGIN {	3570	BEGIN {
		3571	our %SIGWATCHER = ();
2841	for my $signal (qw(INT HUP TERM)) {	3572	for my $signal (qw(INT HUP TERM)) {
2842	Event->signal (	3573	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2843	reentrant => 0,
2844	data => WF_AUTOCANCEL,
2845	signal => $signal,
2846	prio => 0,
2847	cb => sub {
2848	cf::cleanup "SIG$signal";	3574	cf::cleanup "SIG$signal";
2849	},
2850	);	3575	};
2851	}	3576	}
2852	}	3577	}
2853		3578
2854	sub write_runtime {	3579	sub write_runtime_sync {
2855	my $runtime = "$LOCALDIR/runtime";	3580	my $t0 = EV::time;
2856		3581
2857	# first touch the runtime file to show we are still running:	3582	# first touch the runtime file to show we are still running:
2858	# the fsync below can take a very very long time.	3583	# the fsync below can take a very very long time.
2859		3584
2860	IO::AIO::aio_utime $runtime, undef, undef;	3585	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2861		3586
2862	my $guard = cf::lock_acquire "write_runtime";	3587	my $guard = cf::lock_acquire "write_runtime";
2863		3588
2864	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3589	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2865	or return;	3590	or return;
2866		3591
2867	my $value = $cf::RUNTIME + 90 + 10;	3592	my $value = $cf::RUNTIME + 90 + 10;
2868	# 10 is the runtime save interval, for a monotonic clock	3593	# 10 is the runtime save interval, for a monotonic clock
2869	# 60 allows for the watchdog to kill the server.	3594	# 60 allows for the watchdog to kill the server.
…		…
2879	aio_utime $fh, undef, undef;	3604	aio_utime $fh, undef, undef;
2880		3605
2881	close $fh	3606	close $fh
2882	or return;	3607	or return;
2883		3608
2884	aio_rename "$runtime~", $runtime	3609	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2885	and return;	3610	and return;
2886		3611
2887	warn "runtime file written.\n";	3612	warn sprintf "runtime file written (%gs).\n", EV::time - $t0;
2888		3613
2889	1	3614	1
		3615	}
		3616
		3617	our $uuid_lock;
		3618	our $uuid_skip;
		3619
		3620	sub write_uuid_sync($) {
		3621	$uuid_skip ||= $_[0];
		3622
		3623	return if $uuid_lock;
		3624	local $uuid_lock = 1;
		3625
		3626	my $uuid = "$LOCALDIR/uuid";
		3627
		3628	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3629	or return;
		3630
		3631	my $value = uuid_seq uuid_cur;
		3632
		3633	unless ($value) {
		3634	warn "cowardly refusing to write zero uuid value!\n";
		3635	return;
		3636	}
		3637
		3638	my $value = uuid_str $value + $uuid_skip;
		3639	$uuid_skip = 0;
		3640
		3641	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3642	and return;
		3643
		3644	# always fsync - this file is important
		3645	aio_fsync $fh
		3646	and return;
		3647
		3648	close $fh
		3649	or return;
		3650
		3651	aio_rename "$uuid~", $uuid
		3652	and return;
		3653
		3654	warn "uuid file written ($value).\n";
		3655
		3656	1
		3657
		3658	}
		3659
		3660	sub write_uuid($$) {
		3661	my ($skip, $sync) = @_;
		3662
		3663	$sync ? write_uuid_sync $skip
		3664	: async { write_uuid_sync $skip };
2890	}	3665	}
2891		3666
2892	sub emergency_save() {	3667	sub emergency_save() {
2893	my $freeze_guard = cf::freeze_mainloop;	3668	my $freeze_guard = cf::freeze_mainloop;
2894		3669
2895	warn "enter emergency perl save\n";	3670	warn "emergency_perl_save: enter\n";
2896		3671
2897	cf::sync_job {	3672	cf::sync_job {
		3673	# this is a trade-off: we want to be very quick here, so
		3674	# save all maps without fsync, and later call a global sync
		3675	# (which in turn might be very very slow)
		3676	local $USE_FSYNC = 0;
		3677
2898	# use a peculiar iteration method to avoid tripping on perl	3678	# use a peculiar iteration method to avoid tripping on perl
2899	# refcount bugs in for. also avoids problems with players	3679	# refcount bugs in for. also avoids problems with players
2900	# and maps saved/destroyed asynchronously.	3680	# and maps saved/destroyed asynchronously.
2901	warn "begin emergency player save\n";	3681	warn "emergency_perl_save: begin player save\n";
2902	for my $login (keys %cf::PLAYER) {	3682	for my $login (keys %cf::PLAYER) {
2903	my $pl = $cf::PLAYER{$login} or next;	3683	my $pl = $cf::PLAYER{$login} or next;
2904	$pl->valid or next;	3684	$pl->valid or next;
		3685	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2905	$pl->save;	3686	$pl->save;
2906	}	3687	}
2907	warn "end emergency player save\n";	3688	warn "emergency_perl_save: end player save\n";
2908		3689
2909	warn "begin emergency map save\n";	3690	warn "emergency_perl_save: begin map save\n";
2910	for my $path (keys %cf::MAP) {	3691	for my $path (keys %cf::MAP) {
2911	my $map = $cf::MAP{$path} or next;	3692	my $map = $cf::MAP{$path} or next;
2912	$map->valid or next;	3693	$map->valid or next;
2913	$map->save;	3694	$map->save;
2914	}	3695	}
2915	warn "end emergency map save\n";	3696	warn "emergency_perl_save: end map save\n";
2916		3697
2917	warn "begin emergency database checkpoint\n";	3698	warn "emergency_perl_save: begin database checkpoint\n";
2918	BDB::db_env_txn_checkpoint $DB_ENV;	3699	BDB::db_env_txn_checkpoint $DB_ENV;
2919	warn "end emergency database checkpoint\n";	3700	warn "emergency_perl_save: end database checkpoint\n";
		3701
		3702	warn "emergency_perl_save: begin write uuid\n";
		3703	write_uuid_sync 1;
		3704	warn "emergency_perl_save: end write uuid\n";
2920	};	3705	};
2921		3706
		3707	warn "emergency_perl_save: starting sync()\n";
		3708	IO::AIO::aio_sync sub {
		3709	warn "emergency_perl_save: finished sync()\n";
		3710	};
		3711
2922	warn "leave emergency perl save\n";	3712	warn "emergency_perl_save: leave\n";
2923	}	3713	}
2924		3714
2925	sub post_cleanup {	3715	sub post_cleanup {
2926	my ($make_core) = @_;	3716	my ($make_core) = @_;
2927		3717
2928	warn Carp::longmess "post_cleanup backtrace"	3718	warn Carp::longmess "post_cleanup backtrace"
2929	if $make_core;	3719	if $make_core;
		3720
		3721	my $fh = pidfile;
		3722	unlink $PIDFILE if <$fh> == $$;
		3723	}
		3724
		3725	# a safer delete_package, copied from Symbol
		3726	sub clear_package($) {
		3727	my $pkg = shift;
		3728
		3729	# expand to full symbol table name if needed
		3730	unless ($pkg =~ /^main::.*::$/) {
		3731	$pkg = "main$pkg" if $pkg =~ /^::/;
		3732	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3733	$pkg .= '::' unless $pkg =~ /::$/;
		3734	}
		3735
		3736	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3737	my $stem_symtab = *{$stem}{HASH};
		3738
		3739	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3740	or return;
		3741
		3742	# clear all symbols
		3743	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3744	for my $name (keys %$leaf_symtab) {
		3745	_gv_clear *{"$pkg$name"};
		3746	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3747	}
		3748	warn "cleared package $pkg\n";#d#
2930	}	3749	}
2931		3750
2932	sub do_reload_perl() {	3751	sub do_reload_perl() {
2933	# can/must only be called in main	3752	# can/must only be called in main
2934	if ($Coro::current != $Coro::main) {	3753	if ($Coro::current != $Coro::main) {
2935	warn "can only reload from main coroutine";	3754	warn "can only reload from main coroutine";
2936	return;	3755	return;
2937	}	3756	}
2938		3757
		3758	return if $RELOAD++;
		3759
		3760	my $t1 = EV::time;
		3761
		3762	while ($RELOAD) {
2939	warn "reloading...";	3763	warn "reloading...";
2940		3764
2941	warn "entering sync_job";	3765	warn "entering sync_job";
2942		3766
2943	cf::sync_job {	3767	cf::sync_job {
2944	cf::write_runtime; # external watchdog should not bark	3768	cf::write_runtime_sync; # external watchdog should not bark
2945	cf::emergency_save;	3769	cf::emergency_save;
2946	cf::write_runtime; # external watchdog should not bark	3770	cf::write_runtime_sync; # external watchdog should not bark
2947		3771
2948	warn "syncing database to disk";	3772	warn "syncing database to disk";
2949	BDB::db_env_txn_checkpoint $DB_ENV;	3773	BDB::db_env_txn_checkpoint $DB_ENV;
2950		3774
2951	# if anything goes wrong in here, we should simply crash as we already saved	3775	# if anything goes wrong in here, we should simply crash as we already saved
2952		3776
2953	warn "cancelling all WF_AUTOCANCEL watchers";
2954	for (Event::all_watchers) {
2955	$_->cancel if $_->data & WF_AUTOCANCEL;
2956	}
2957
2958	warn "flushing outstanding aio requests";	3777	warn "flushing outstanding aio requests";
2959	for (;;) {
2960	BDB::flush;
2961	IO::AIO::flush;
2962	Coro::cede;
2963	last unless IO::AIO::nreqs || BDB::nreqs;	3778	while (IO::AIO::nreqs || BDB::nreqs) {
2964	warn "iterate...";	3779	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2965	}
2966
2967	++$RELOAD;
2968
2969	warn "cancelling all extension coros";
2970	$_->cancel for values %EXT_CORO;
2971	%EXT_CORO = ();
2972
2973	warn "removing commands";
2974	%COMMAND = ();
2975
2976	warn "removing ext/exti commands";
2977	%EXTCMD = ();
2978	%EXTICMD = ();
2979
2980	warn "unloading/nuking all extensions";
2981	for my $pkg (@EXTS) {
2982	warn "... unloading $pkg";
2983
2984	if (my $cb = $pkg->can ("unload")) {
2985	eval {
2986	$cb->($pkg);
2987	1
2988	} or warn "$pkg unloaded, but with errors: $@";
2989	}	3780	}
2990		3781
2991	warn "... nuking $pkg";	3782	warn "cancelling all extension coros";
2992	Symbol::delete_package $pkg;	3783	$_->cancel for values %EXT_CORO;
2993	}	3784	%EXT_CORO = ();
2994		3785
2995	warn "unloading all perl modules loaded from $LIBDIR";	3786	warn "removing commands";
2996	while (my ($k, $v) = each %INC) {	3787	%COMMAND = ();
2997	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2998		3788
		3789	warn "removing ext/exti commands";
		3790	%EXTCMD = ();
		3791	%EXTICMD = ();
		3792
		3793	warn "unloading/nuking all extensions";
		3794	for my $pkg (@EXTS) {
2999	warn "... unloading $k";	3795	warn "... unloading $pkg";
3000	delete $INC{$k};
3001		3796
3002	$k =~ s/\.pm$//;
3003	$k =~ s/\//::/g;
3004
3005	if (my $cb = $k->can ("unload_module")) {	3797	if (my $cb = $pkg->can ("unload")) {
		3798	eval {
3006	$cb->();	3799	$cb->($pkg);
		3800	1
		3801	} or warn "$pkg unloaded, but with errors: $@";
		3802	}
		3803
		3804	warn "... clearing $pkg";
		3805	clear_package $pkg;
3007	}	3806	}
3008		3807
3009	Symbol::delete_package $k;	3808	warn "unloading all perl modules loaded from $LIBDIR";
		3809	while (my ($k, $v) = each %INC) {
		3810	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3811
		3812	warn "... unloading $k";
		3813	delete $INC{$k};
		3814
		3815	$k =~ s/\.pm$//;
		3816	$k =~ s/\//::/g;
		3817
		3818	if (my $cb = $k->can ("unload_module")) {
		3819	$cb->();
		3820	}
		3821
		3822	clear_package $k;
3010	}	3823	}
3011		3824
3012	warn "getting rid of safe::, as good as possible";	3825	warn "getting rid of safe::, as good as possible";
3013	Symbol::delete_package "safe::$_"	3826	clear_package "safe::$_"
3014	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3827	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3015		3828
3016	warn "unloading cf.pm \"a bit\"";	3829	warn "unloading cf.pm \"a bit\"";
3017	delete $INC{"cf.pm"};	3830	delete $INC{"cf.pm"};
3018	delete $INC{"cf/pod.pm"};	3831	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3019		3832
3020	# don't, removes xs symbols, too,	3833	# don't, removes xs symbols, too,
3021	# and global variables created in xs	3834	# and global variables created in xs
3022	#Symbol::delete_package __PACKAGE__;	3835	#clear_package __PACKAGE__;
3023		3836
3024	warn "unload completed, starting to reload now";	3837	warn "unload completed, starting to reload now";
3025		3838
3026	warn "reloading cf.pm";	3839	warn "reloading cf.pm";
3027	require cf;	3840	require cf;
3028	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3841	cf::_connect_to_perl_1;
3029		3842
3030	warn "loading config and database again";	3843	warn "loading config and database again";
3031	cf::cfg_load;	3844	cf::reload_config;
3032		3845
3033	warn "loading extensions";	3846	warn "loading extensions";
3034	cf::load_extensions;	3847	cf::load_extensions;
3035		3848
		3849	if ($REATTACH_ON_RELOAD) {
3036	warn "reattaching attachments to objects/players";	3850	warn "reattaching attachments to objects/players";
3037	_global_reattach; # objects, sockets	3851	_global_reattach; # objects, sockets
3038	warn "reattaching attachments to maps";	3852	warn "reattaching attachments to maps";
3039	reattach $_ for values %MAP;	3853	reattach $_ for values %MAP;
3040	warn "reattaching attachments to players";	3854	warn "reattaching attachments to players";
3041	reattach $_ for values %PLAYER;	3855	reattach $_ for values %PLAYER;
		3856	}
3042		3857
		3858	warn "running post_init jobs";
		3859	(pop @POST_INIT)->(1) while @POST_INIT;
		3860
3043	warn "leaving sync_job";	3861	warn "leaving sync_job";
3044		3862
3045	1	3863	1
3046	} or do {	3864	} or do {
3047	warn $@;	3865	warn $@;
3048	warn "error while reloading, exiting.";	3866	cf::cleanup "error while reloading, exiting.";
3049	exit 1;
3050	};	3867	};
3051		3868
3052	warn "reloaded";	3869	warn "reloaded";
		3870	--$RELOAD;
		3871	}
		3872
		3873	$t1 = EV::time - $t1;
		3874	warn "reload completed in ${t1}s\n";
3053	};	3875	};
3054		3876
3055	our $RELOAD_WATCHER; # used only during reload	3877	our $RELOAD_WATCHER; # used only during reload
3056		3878
3057	sub reload_perl() {	3879	sub reload_perl() {
3058	# doing reload synchronously and two reloads happen back-to-back,	3880	# doing reload synchronously and two reloads happen back-to-back,
3059	# coro crashes during coro_state_free->destroy here.	3881	# coro crashes during coro_state_free->destroy here.
3060		3882
3061	$RELOAD_WATCHER ||= Event->timer (	3883	$RELOAD_WATCHER ||= cf::async {
3062	reentrant => 0,	3884	Coro::AIO::aio_wait cache_extensions;
3063	after => 0,	3885
3064	data => WF_AUTOCANCEL,	3886	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3065	cb => sub {
3066	do_reload_perl;	3887	do_reload_perl;
3067	undef $RELOAD_WATCHER;	3888	undef $RELOAD_WATCHER;
3068	},	3889	};
3069	);	3890	};
3070	}	3891	}
3071		3892
3072	register_command "reload" => sub {	3893	register_command "reload" => sub {
3073	my ($who, $arg) = @_;	3894	my ($who, $arg) = @_;
3074		3895
3075	if ($who->flag (FLAG_WIZ)) {	3896	if ($who->flag (FLAG_WIZ)) {
3076	$who->message ("reloading server.");	3897	$who->message ("reloading server.");
		3898	async {
		3899	$Coro::current->{desc} = "perl_reload";
3077	async { reload_perl };	3900	reload_perl;
		3901	};
3078	}	3902	}
3079	};	3903	};
3080		3904
3081	unshift @INC, $LIBDIR;	3905	unshift @INC, $LIBDIR;
3082		3906
…		…
3084		3908
3085	our @WAIT_FOR_TICK;	3909	our @WAIT_FOR_TICK;
3086	our @WAIT_FOR_TICK_BEGIN;	3910	our @WAIT_FOR_TICK_BEGIN;
3087		3911
3088	sub wait_for_tick {	3912	sub wait_for_tick {
3089	return unless $TICK_WATCHER->is_active;
3090	return if $Coro::current == $Coro::main;	3913	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3091		3914
3092	my $signal = new Coro::Signal;	3915	my $signal = new Coro::Signal;
3093	push @WAIT_FOR_TICK, $signal;	3916	push @WAIT_FOR_TICK, $signal;
3094	$signal->wait;	3917	$signal->wait;
3095	}	3918	}
3096		3919
3097	sub wait_for_tick_begin {	3920	sub wait_for_tick_begin {
3098	return unless $TICK_WATCHER->is_active;
3099	return if $Coro::current == $Coro::main;	3921	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3100		3922
3101	my $signal = new Coro::Signal;	3923	my $signal = new Coro::Signal;
3102	push @WAIT_FOR_TICK_BEGIN, $signal;	3924	push @WAIT_FOR_TICK_BEGIN, $signal;
3103	$signal->wait;	3925	$signal->wait;
3104	}	3926	}
3105		3927
3106	my $min = 1e6;#d#	3928	sub tick {
3107	my $avg = 10;
3108	$TICK_WATCHER = Event->timer (
3109	reentrant => 0,
3110	parked => 1,
3111	prio => 0,
3112	at => $NEXT_TICK || $TICK,
3113	data => WF_AUTOCANCEL,
3114	cb => sub {
3115	if ($Coro::current != $Coro::main) {	3929	if ($Coro::current != $Coro::main) {
3116	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3930	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3117	unless ++$bug_warning > 10;	3931	unless ++$bug_warning > 10;
3118	return;	3932	return;
3119	}	3933	}
3120		3934
3121	$NOW = $tick_start = Event::time;
3122
3123	cf::server_tick; # one server iteration	3935	cf::server_tick; # one server iteration
3124		3936
3125	0 && sync_job {#d#	3937	#for(1..3e6){} EV::now_update; $NOW=EV::now; # generate load #d#
3126	for(1..10) {
3127	my $t = Event::time;
3128	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3129	or die;
3130		3938
3131	$map->width (50);	3939	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3132	$map->height (50);	3940	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3133	$map->alloc;	3941	Coro::async_pool {
3134	$map->_load_objects ("/tmp/x.map", 1);	3942	$Coro::current->{desc} = "runtime saver";
3135	my $t = Event::time - $t;	3943	write_runtime_sync
3136		3944	or warn "ERROR: unable to write runtime file: $!";
3137	#next unless $t < 0.0013;#d#
3138	if ($t < $min) {
3139	$min = $t;
3140	}
3141	$avg = $avg * 0.99 + $t * 0.01;
3142	}
3143	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3144	exit 0;
3145	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3146	};	3945	};
		3946	}
3147		3947
3148	$RUNTIME += $TICK;
3149	$NEXT_TICK += $TICK;
3150
3151	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3152	$NEXT_RUNTIME_WRITE = $NOW + 10;
3153	Coro::async_pool {
3154	write_runtime
3155	or warn "ERROR: unable to write runtime file: $!";
3156	};
3157	}
3158
3159	# my $AFTER = Event::time;
3160	# warn $AFTER - $NOW;#d#
3161
3162	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3948	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3163	$sig->send;	3949	$sig->send;
3164	}	3950	}
3165	while (my $sig = shift @WAIT_FOR_TICK) {	3951	while (my $sig = shift @WAIT_FOR_TICK) {
3166	$sig->send;	3952	$sig->send;
3167	}	3953	}
3168		3954
3169	$NOW = Event::time;	3955	$LOAD = ($NOW - $TICK_START) / $TICK;
3170
3171	# if we are delayed by four ticks or more, skip them all
3172	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3173
3174	$TICK_WATCHER->at ($NEXT_TICK);
3175	$TICK_WATCHER->start;
3176
3177	$LOAD = ($NOW - $tick_start) / $TICK;
3178	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3956	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3179		3957
3180	_post_tick;	3958	if (0) {
3181		3959	if ($NEXT_TICK) {
3182		3960	my $jitter = $TICK_START - $NEXT_TICK;
		3961	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3962	warn "jitter $JITTER\n";#d#
		3963	}
3183	},	3964	}
3184	);	3965	}
3185		3966
3186	{	3967	{
3187	BDB::max_poll_time $TICK * 0.1;	3968	# configure BDB
3188	$BDB_POLL_WATCHER = Event->io (	3969
3189	reentrant => 0,
3190	fd => BDB::poll_fileno,
3191	poll => 'r',
3192	prio => 0,
3193	data => WF_AUTOCANCEL,
3194	cb => \&BDB::poll_cb,
3195	);
3196	BDB::min_parallel 8;	3970	BDB::min_parallel 16;
3197		3971	BDB::max_poll_reqs $TICK * 0.1;
3198	BDB::set_sync_prepare {	3972	$AnyEvent::BDB::WATCHER->priority (1);
3199	my $status;
3200	my $current = $Coro::current;
3201	(
3202	sub {
3203	$status = $!;
3204	$current->ready; undef $current;
3205	},
3206	sub {
3207	Coro::schedule while defined $current;
3208	$! = $status;
3209	},
3210	)
3211	};
3212		3973
3213	unless ($DB_ENV) {	3974	unless ($DB_ENV) {
3214	$DB_ENV = BDB::db_env_create;	3975	$DB_ENV = BDB::db_env_create;
		3976	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3977	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3978	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3979	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3980	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3215		3981
3216	cf::sync_job {	3982	cf::sync_job {
3217	eval {	3983	eval {
3218	BDB::db_env_open	3984	BDB::db_env_open
3219	$DB_ENV,	3985	$DB_ENV,
…		…
3221	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3987	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3222	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3988	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3223	0666;	3989	0666;
3224		3990
3225	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3991	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3226
3227	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3228	$DB_ENV->set_lk_detect;
3229	};	3992	};
3230		3993
3231	cf::cleanup "db_env_open(db): $@" if $@;	3994	cf::cleanup "db_env_open(db): $@" if $@;
3232	};	3995	};
3233	}	3996	}
		3997
		3998	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3999	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4000	};
		4001	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4002	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4003	};
		4004	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4005	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4006	};
3234	}	4007	}
3235		4008
3236	{	4009	{
		4010	# configure IO::AIO
		4011
3237	IO::AIO::min_parallel 8;	4012	IO::AIO::min_parallel 8;
3238
3239	undef $Coro::AIO::WATCHER;
3240	IO::AIO::max_poll_time $TICK * 0.1;	4013	IO::AIO::max_poll_time $TICK * 0.1;
3241	$AIO_POLL_WATCHER = Event->io (	4014	undef $AnyEvent::AIO::WATCHER;
3242	reentrant => 0,
3243	data => WF_AUTOCANCEL,
3244	fd => IO::AIO::poll_fileno,
3245	poll => 'r',
3246	prio => 6,
3247	cb => \&IO::AIO::poll_cb,
3248	);
3249	}	4015	}
3250		4016
3251	my $_log_backtrace;	4017	my $_log_backtrace;
3252		4018
3253	sub _log_backtrace {	4019	sub _log_backtrace {
…		…
3256	$msg =~ s/\n//;	4022	$msg =~ s/\n//;
3257		4023
3258	# limit the # of concurrent backtraces	4024	# limit the # of concurrent backtraces
3259	if ($_log_backtrace < 2) {	4025	if ($_log_backtrace < 2) {
3260	++$_log_backtrace;	4026	++$_log_backtrace;
		4027	my $perl_bt = Carp::longmess $msg;
3261	async {	4028	async {
		4029	$Coro::current->{desc} = "abt $msg";
		4030
3262	my @bt = fork_call {	4031	my @bt = fork_call {
3263	@addr = map { sprintf "%x", $_ } @addr;	4032	@addr = map { sprintf "%x", $_ } @addr;
3264	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4033	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3265	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4034	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3266	or die "addr2line: $!";	4035	or die "addr2line: $!";
…		…
3274	}	4043	}
3275		4044
3276	@funcs	4045	@funcs
3277	};	4046	};
3278		4047
3279	LOG llevInfo, "[ABT] $msg\n";	4048	LOG llevInfo, "[ABT] $perl_bt\n";
		4049	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3280	LOG llevInfo, "[ABT] $_\n" for @bt;	4050	LOG llevInfo, "[ABT] $_\n" for @bt;
3281	--$_log_backtrace;	4051	--$_log_backtrace;
3282	};	4052	};
3283	} else {	4053	} else {
3284	LOG llevInfo, "[ABT] $msg\n";	4054	LOG llevInfo, "[ABT] $msg\n";
3285	LOG llevInfo, "[ABT] [suppressed]\n";	4055	LOG llevInfo, "[ABT] [suppressed]\n";
3286	}	4056	}
3287	}	4057	}
3288		4058
3289	# load additional modules	4059	# load additional modules
3290	use cf::pod;	4060	require "cf/$_.pm" for @EXTRA_MODULES;
		4061	cf::_connect_to_perl_2;
3291		4062
3292	END { cf::emergency_save }	4063	END { cf::emergency_save }
3293		4064
3294	1	4065	1
3295		4066

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