ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.287 by root, Mon Jun 25 05:43:45 2007 UTC vs.
Revision 1.511 by root, Wed Apr 7 18:35:56 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Socket;	31	use Socket;
9	use Storable;	32	use EV;
10	use Event;
11	use Opcode;	33	use Opcode;
12	use Safe;	34	use Safe;
13	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
14		38
		39	use Guard ();
15	use Coro 3.61 ();	40	use Coro ();
16	use Coro::State;	41	use Coro::State;
17	use Coro::Handle;	42	use Coro::Handle;
		43	use Coro::EV;
18	use Coro::Event;	44	use Coro::AnyEvent;
19	use Coro::Timer;	45	use Coro::Timer;
20	use Coro::Signal;	46	use Coro::Signal;
21	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
22	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
23	use Coro::Storable;	52	use Coro::Storable;
		53	use Coro::Util ();
24		54
		55	use JSON::XS 2.01 ();
25	use BDB ();	56	use BDB ();
26	use Data::Dumper;	57	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	58	use Fcntl;
29	use YAML::Syck ();	59	use YAML::XS ();
30	use IO::AIO 2.32 ();	60	use IO::AIO ();
31	use Time::HiRes;	61	use Time::HiRes;
32	use Compress::LZF;	62	use Compress::LZF;
		63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
33		66
34	# configure various modules to our taste	67	# configure various modules to our taste
35	#	68	#
36	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		77
40	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
41		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		80
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
…		…
53	our %EXTCMD = ();	87	our %EXTCMD = ();
54	our %EXTICMD = ();	88	our %EXTICMD = ();
55	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
56	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
57		91
58	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
59	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
60		96
61	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
62	our $DATADIR = datadir;	98	our $DATADIR = datadir;
63	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
64	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
65	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
66	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
67	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
68	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
69	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
70	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
71	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE;
72		112
73	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	113	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
74	our $TICK_WATCHER;
75	our $AIO_POLL_WATCHER;
76	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	114	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
77	our $NEXT_TICK;	115	our $NEXT_TICK;
78	our $NOW;
79	our $USE_FSYNC = 1; # use fsync to write maps - default off	116	our $USE_FSYNC = 1; # use fsync to write maps - default on
80		117
		118	our $BDB_DEADLOCK_WATCHER;
		119	our $BDB_CHECKPOINT_WATCHER;
81	our $BDB_POLL_WATCHER;	120	our $BDB_TRICKLE_WATCHER;
82	our $DB_ENV;	121	our $DB_ENV;
		122
		123	our @EXTRA_MODULES = qw(pod match mapscript);
83		124
84	our %CFG;	125	our %CFG;
85		126
86	our $UPTIME; $UPTIME ||= time;	127	our $UPTIME; $UPTIME ||= time;
87	our $RUNTIME;	128	our $RUNTIME;
		129	our $NOW;
88		130
89	our %PLAYER; # all users	131	our (%PLAYER, %PLAYER_LOADING); # all users
90	our %MAP; # all maps	132	our (%MAP, %MAP_LOADING ); # all maps
91	our $LINK_MAP; # the special {link} map, which is always available	133	our $LINK_MAP; # the special {link} map, which is always available
92		134
93	# 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 ∕
94	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	136	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
95		137
96	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)
97	our $LOADAVG; # same thing, but with alpha-smoothing	139	our $LOADAVG; # same thing, but with alpha-smoothing
		140	our $JITTER; # average jitter
98	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 $REALLY_UNLOOP; # never set to true, please :)
99		147
100	binmode STDOUT;	148	binmode STDOUT;
101	binmode STDERR;	149	binmode STDERR;
102		150
103	# read virtual server time, if available	151	# read virtual server time, if available
104	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	152	unless ($RUNTIME || !-e $RUNTIMEFILE) {
105	open my $fh, "<", "$LOCALDIR/runtime"	153	open my $fh, "<", $RUNTIMEFILE
106	or die "unable to read runtime file: $!";	154	or die "unable to read $RUNTIMEFILE file: $!";
107	$RUNTIME = <$fh> + 0.;	155	$RUNTIME = <$fh> + 0.;
108	}	156	}
		157
		158	eval "sub TICK() { $TICK } 1" or die;
109		159
110	mkdir $_	160	mkdir $_
111	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	161	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
112		162
113	our $EMERGENCY_POSITION;	163	our $EMERGENCY_POSITION;
114		164
115	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::"} };
116		177
117	#############################################################################	178	#############################################################################
118		179
119	=head2 GLOBAL VARIABLES	180	=head2 GLOBAL VARIABLES
120		181
…		…
156		217
157	The raw value load value from the last tick.	218	The raw value load value from the last tick.
158		219
159	=item %cf::CFG	220	=item %cf::CFG
160		221
161	Configuration for the server, loaded from C</etc/crossfire/config>, or	222	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
162	from wherever your confdir points to.	223	from wherever your confdir points to.
163		224
164	=item cf::wait_for_tick, cf::wait_for_tick_begin	225	=item cf::wait_for_tick, cf::wait_for_tick_begin
165		226
166	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
167	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
168	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.
169		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
170	=back	243	=back
171		244
172	=cut	245	=cut
173		246
174	BEGIN {	247	$Coro::State::WARNHOOK = sub {
175	*CORE::GLOBAL::warn = sub {
176	my $msg = join "", @_;	248	my $msg = join "", @_;
177		249
178	$msg .= "\n"	250	$msg .= "\n"
179	unless $msg =~ /\n$/;	251	unless $msg =~ /\n$/;
180		252
181	$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;
182		254
183	utf8::encode $msg;
184	LOG llevError, $msg;	255	LOG llevError, $msg;
185	};	256	};
186	}	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	};
187		271
188	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	272	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
189	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	273	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
190	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	274	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
191	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	275	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
198	for my $pkg (qw(	282	for my $pkg (qw(
199	cf::global cf::attachable	283	cf::global cf::attachable
200	cf::object cf::object::player	284	cf::object cf::object::player
201	cf::client cf::player	285	cf::client cf::player
202	cf::arch cf::living	286	cf::arch cf::living
		287	cf::map cf::mapspace
203	cf::map cf::party cf::region	288	cf::party cf::region
204	)) {	289	)) {
205	no strict 'refs';
206	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	290	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
207	}	291	}
208		292
209	$Event::DIED = sub {	293	$EV::DIED = sub {
210	warn "error in event callback: @_";	294	Carp::cluck "error in event callback: @_";
211	};	295	};
212		296
213	#############################################################################	297	#############################################################################
214		298
215	=head2 UTILITY FUNCTIONS	299	=head2 UTILITY FUNCTIONS
…		…
237	$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;
238	$d	322	$d
239	} || "[unable to dump $_[0]: '$@']";	323	} || "[unable to dump $_[0]: '$@']";
240	}	324	}
241		325
242	use JSON::XS ();
243
244	=item $ref = cf::from_json $json	326	=item $ref = cf::decode_json $json
245		327
246	Converts a JSON string into the corresponding perl data structure.	328	Converts a JSON string into the corresponding perl data structure.
247		329
248	=item $json = cf::to_json $ref	330	=item $json = cf::encode_json $ref
249		331
250	Converts a perl data structure into its JSON representation.	332	Converts a perl data structure into its JSON representation.
251		333
252	=cut	334	=cut
253		335
254	our $json_coder = JSON::XS->new->convert_blessed->utf8;	336	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
255		337
256	sub to_json ($) { $json_coder->encode ($_[0]) }	338	sub encode_json($) { $json_coder->encode ($_[0]) }
257	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	}
258		354
259	=item cf::lock_wait $string	355	=item cf::lock_wait $string
260		356
261	Wait until the given lock is available. See cf::lock_acquire.	357	Wait until the given lock is available. See cf::lock_acquire.
262		358
263	=item my $lock = cf::lock_acquire $string	359	=item my $lock = cf::lock_acquire $string
264		360
265	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
266	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,
267	for example when the coroutine gets canceled), the lock is automatically	363	for example when the coroutine gets canceled), the lock is automatically
268	returned.	364	returned.
269		365
		366	Locks are *not* recursive, locking from the same coro twice results in a
		367	deadlocked coro.
		368
270	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
271	uses map_find and cf::map::load uses map_load).	370	uses map_find and cf::map::load uses map_load).
272		371
273	=item $locked = cf::lock_active $string	372	=item $locked = cf::lock_active $string
274		373
275	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.
276		375
277	=cut	376	=cut
278		377
279	our %LOCK;	378	our $LOCKS = new Coro::SemaphoreSet;
280		379
281	sub lock_wait($) {	380	sub lock_wait($) {
282	my ($key) = @_;	381	$LOCKS->wait ($_[0]);
283
284	# wait for lock, if any
285	while ($LOCK{$key}) {
286	push @{ $LOCK{$key} }, $Coro::current;
287	Coro::schedule;
288	}
289	}	382	}
290		383
291	sub lock_acquire($) {	384	sub lock_acquire($) {
292	my ($key) = @_;	385	$LOCKS->guard ($_[0])
293
294	# wait, to be sure we are not locked
295	lock_wait $key;
296
297	$LOCK{$key} = [];
298
299	Coro::guard {
300	# wake up all waiters, to be on the safe side
301	$_->ready for @{ delete $LOCK{$key} };
302	}
303	}	386	}
304		387
305	sub lock_active($) {	388	sub lock_active($) {
306	my ($key) = @_;	389	$LOCKS->count ($_[0]) < 1
307
308	! ! $LOCK{$key}
309	}	390	}
310		391
311	sub freeze_mainloop {	392	sub freeze_mainloop {
312	return unless $TICK_WATCHER->is_active;	393	tick_inhibit_inc;
313		394
314	my $guard = Coro::guard {	395	&Guard::guard (\&tick_inhibit_dec);
315	$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($$) {
		406	my ($interval, $cb) = @_;
		407
		408	my $start = rand List::Util::min 180, $interval;
		409
		410	EV::periodic $start, $interval, 0, $cb
		411	}
		412
		413	=item cf::get_slot $time[, $priority[, $name]]
		414
		415	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		416	This call blocks and returns only when you have at least C<$time> seconds
		417	of cpu time till the next tick. The slot is only valid till the next cede.
		418
		419	The optional C<$name> can be used to identify the job to run. It might be
		420	used for statistical purposes and should identify the same time-class.
		421
		422	Useful for short background jobs.
		423
		424	=cut
		425
		426	our @SLOT_QUEUE;
		427	our $SLOT_QUEUE;
		428	our $SLOT_DECAY = 0.9;
		429
		430	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		431	$SLOT_QUEUE = Coro::async {
		432	$Coro::current->desc ("timeslot manager");
		433
		434	my $signal = new Coro::Signal;
		435	my $busy;
		436
		437	while () {
		438	next_job:
		439
		440	my $avail = cf::till_tick;
		441
		442	for (0 .. $#SLOT_QUEUE) {
		443	if ($SLOT_QUEUE[$_][0] <= $avail) {
		444	$busy = 0;
		445	my $job = splice @SLOT_QUEUE, $_, 1, ();
		446	$job->[2]->send;
		447	Coro::cede;
		448	goto next_job;
		449	} else {
		450	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		451	}
		452	}
		453
		454	if (@SLOT_QUEUE) {
		455	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		456	push @cf::WAIT_FOR_TICK, $signal;
		457	$signal->wait;
		458	} else {
		459	$busy = 0;
		460	Coro::schedule;
		461	}
316	};	462	}
317	$TICK_WATCHER->stop;	463	};
318	$guard	464
		465	sub get_slot($;$$) {
		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	$sig->wait;
319	}	478	}
320		479
321	=item cf::async { BLOCK }	480	=item cf::async { BLOCK }
322		481
323	Currently the same as Coro::async_pool, meaning you cannot use	482	Currently the same as Coro::async_pool, meaning you cannot use
…		…
328		487
329	BEGIN { *async = \&Coro::async_pool }	488	BEGIN { *async = \&Coro::async_pool }
330		489
331	=item cf::sync_job { BLOCK }	490	=item cf::sync_job { BLOCK }
332		491
333	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	492	The design of Deliantra requires that the main coroutine ($Coro::main)
334	is always able to handle events or runnable, as Crossfire TRT is only	493	is always able to handle events or runnable, as Deliantra is only
335	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	494	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
336	acceptable.	495	acceptable.
337		496
338	If it must be done, put the blocking parts into C<sync_job>. This will run	497	If it must be done, put the blocking parts into C<sync_job>. This will run
339	the given BLOCK in another coroutine while waiting for the result. The	498	the given BLOCK in another coroutine while waiting for the result. The
…		…
344		503
345	sub sync_job(&) {	504	sub sync_job(&) {
346	my ($job) = @_;	505	my ($job) = @_;
347		506
348	if ($Coro::current == $Coro::main) {	507	if ($Coro::current == $Coro::main) {
349	my $time = Event::time;	508	my $time = EV::time;
350		509
351	# this is the main coro, too bad, we have to block	510	# this is the main coro, too bad, we have to block
352	# till the operation succeeds, freezing the server :/	511	# till the operation succeeds, freezing the server :/
353		512
354	# TODO: use suspend/resume instead	513	LOG llevError, Carp::longmess "sync job";#d#
355	# (but this is cancel-safe)	514
356	my $freeze_guard = freeze_mainloop;	515	my $freeze_guard = freeze_mainloop;
357		516
358	my $busy = 1;	517	my $busy = 1;
359	my @res;	518	my @res;
360		519
361	(async {	520	(async {
		521	$Coro::current->desc ("sync job coro");
362	@res = eval { $job->() };	522	@res = eval { $job->() };
363	warn $@ if $@;	523	warn $@ if $@;
364	undef $busy;	524	undef $busy;
365	})->prio (Coro::PRIO_MAX);	525	})->prio (Coro::PRIO_MAX);
366		526
367	while ($busy) {	527	while ($busy) {
368	Coro::cede or Event::one_event;	528	if (Coro::nready) {
		529	Coro::cede_notself;
		530	} else {
		531	EV::loop EV::LOOP_ONESHOT;
369	}	532	}
		533	}
370		534
371	$time = Event::time - $time;	535	my $time = EV::time - $time;
372		536
373	LOG llevError | logBacktrace, Carp::longmess "long sync job"
374	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
375
376	$tick_start += $time; # do not account sync jobs to server load	537	$TICK_START += $time; # do not account sync jobs to server load
377		538
378	wantarray ? @res : $res[0]	539	wantarray ? @res : $res[0]
379	} else {	540	} else {
380	# we are in another coroutine, how wonderful, everything just works	541	# we are in another coroutine, how wonderful, everything just works
381		542
…		…
406	=item fork_call { }, $args	567	=item fork_call { }, $args
407		568
408	Executes the given code block with the given arguments in a seperate	569	Executes the given code block with the given arguments in a seperate
409	process, returning the results. Everything must be serialisable with	570	process, returning the results. Everything must be serialisable with
410	Coro::Storable. May, of course, block. Note that the executed sub may	571	Coro::Storable. May, of course, block. Note that the executed sub may
411	never block itself or use any form of Event handling.	572	never block itself or use any form of event handling.
412		573
413	=cut	574	=cut
414		575
415	sub fork_call(&@) {	576	sub fork_call(&@) {
416	my ($cb, @args) = @_;	577	my ($cb, @args) = @_;
417		578
418	# 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,
419	# or die "socketpair: $!";	580	# otherwise perl prematurely frees the stuff :/
420	pipe my $fh1, my $fh2	581	# TODO: investigate and fix (likely this will be rather laborious)
421	or die "pipe: $!";
422		582
423	if (my $pid = fork) {	583	my @res = Coro::Util::fork_eval {
424	close $fh2;
425
426	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
427	$res = Coro::Storable::thaw $res;
428
429	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
430
431	die $$res unless "ARRAY" eq ref $res;
432
433	return wantarray ? @$res : $res->[-1];
434	} else {
435	reset_signals;	584	reset_signals;
436	local $SIG{__WARN__};	585	&$cb
437	local $SIG{__DIE__};	586	}, @args;
438	eval {
439	close $fh1;
440		587
441	my @res = eval { $cb->(@args) };	588	wantarray ? @res : $res[-1]
442	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);	589	}
443	};
444		590
445	warn $@ if $@;	591	=item $coin = coin_from_name $name
446	_exit 0;	592
447	}	593	=cut
		594
		595	our %coin_alias = (
		596	"silver" => "silvercoin",
		597	"silvercoin" => "silvercoin",
		598	"silvercoins" => "silvercoin",
		599	"gold" => "goldcoin",
		600	"goldcoin" => "goldcoin",
		601	"goldcoins" => "goldcoin",
		602	"platinum" => "platinacoin",
		603	"platinumcoin" => "platinacoin",
		604	"platinumcoins" => "platinacoin",
		605	"platina" => "platinacoin",
		606	"platinacoin" => "platinacoin",
		607	"platinacoins" => "platinacoin",
		608	"royalty" => "royalty",
		609	"royalties" => "royalty",
		610	);
		611
		612	sub coin_from_name($) {
		613	$coin_alias{$_[0]}
		614	? cf::arch::find $coin_alias{$_[0]}
		615	: undef
448	}	616	}
449		617
450	=item $value = cf::db_get $family => $key	618	=item $value = cf::db_get $family => $key
451		619
452	Returns a single value from the environment database.	620	Returns a single value from the environment database.
…		…
454	=item cf::db_put $family => $key => $value	622	=item cf::db_put $family => $key => $value
455		623
456	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
457	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).
458		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
459	=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	}
460		650
461	our $DB;	651	our $DB;
462		652
463	sub db_init {	653	sub db_init {
464	unless ($DB) {
465	$DB = BDB::db_create $DB_ENV;
466
467	cf::sync_job {	654	cf::sync_job {
468	eval {	655	$DB ||= db_table "db";
469	$DB->set_flags (BDB::CHKSUM);
470
471	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
472	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
473	cf::cleanup "db_open(db): $!" if $!;
474	};
475	cf::cleanup "db_open(db): $@" if $@;
476	};
477	}	656	};
478	}	657	}
479		658
480	sub db_get($$) {	659	sub db_get($$) {
481	my $key = "$_[0]/$_[1]";	660	my $key = "$_[0]/$_[1]";
482		661
…		…
532	if (1) {	711	if (1) {
533	$md5 =	712	$md5 =
534	join "\x00",	713	join "\x00",
535	$processversion,	714	$processversion,
536	map {	715	map {
537	Coro::cede;	716	cf::cede_to_tick;
538	($src->[$_], Digest::MD5::md5_hex $data[$_])	717	($src->[$_], Digest::MD5::md5_hex $data[$_])
539	} 0.. $#$src;	718	} 0.. $#$src;
540		719
541		720
542	my $dbmd5 = db_get cache => "$id/md5";	721	my $dbmd5 = db_get cache => "$id/md5";
…		…
580		759
581	#############################################################################	760	#############################################################################
582		761
583	=head2 ATTACHABLE OBJECTS	762	=head2 ATTACHABLE OBJECTS
584		763
585	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
586	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")
587	to it. All such attachable objects support the following methods.	766	to it. All such attachable objects support the following methods.
588		767
589	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>
590	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
591	Crossfire TRT).	770	Deliantra).
592		771
593	=over 4	772	=over 4
594		773
595	=item $attachable->attach ($attachment, key => $value...)	774	=item $attachable->attach ($attachment, key => $value...)
596		775
…		…
640	=item cf::CLASS::attachment $name, ...	819	=item cf::CLASS::attachment $name, ...
641		820
642	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
643	given CLASS can refer to this attachment.	822	given CLASS can refer to this attachment.
644		823
645	Some classes such as crossfire maps and objects can specify attachments	824	Some classes such as deliantra maps and objects can specify attachments
646	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.
647		826
648	These calls expect any number of the following handler/hook descriptions:	827	These calls expect any number of the following handler/hook descriptions:
649		828
650	=over 4	829	=over 4
…		…
848	";	1027	";
849	die if $@;	1028	die if $@;
850	}	1029	}
851		1030
852	our $override;	1031	our $override;
853	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?
854		1033
855	sub override {	1034	sub override {
856	$override = 1;	1035	$override = 1;
857	@invoke_results = ();	1036	@INVOKE_RESULTS = (@_);
858	}	1037	}
859		1038
860	sub do_invoke {	1039	sub do_invoke {
861	my $event = shift;	1040	my $event = shift;
862	my $callbacks = shift;	1041	my $callbacks = shift;
863		1042
864	@invoke_results = ();	1043	@INVOKE_RESULTS = ();
865		1044
866	local $override;	1045	local $override;
867		1046
868	for (@$callbacks) {	1047	for (@$callbacks) {
869	eval { &{$_->[1]} };	1048	eval { &{$_->[1]} };
…		…
878	}	1057	}
879		1058
880	0	1059	0
881	}	1060	}
882		1061
883	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1062	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
884		1063
885	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1064	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
886		1065
887	Generate an object-specific event with the given arguments.	1066	Generate an object-specific event with the given arguments.
888		1067
889	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
890	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
891	results (if you must, access C<@cf::invoke_results> directly).	1070	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
892		1071
893	=back	1072	=back
894		1073
895	=cut	1074	=cut
896		1075
897	#############################################################################	1076	#############################################################################
898	# 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	}
899		1120
900	sub reattach {	1121	sub reattach {
901	# basically do the same as instantiate, without calling instantiate	1122	# basically do the same as instantiate, without calling instantiate
902	my ($obj) = @_;	1123	my ($obj) = @_;
903		1124
		1125	# no longer needed after getting rid of delete_package?
904	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
905		1127
906	my $registry = $obj->registry;	1128	my $registry = $obj->registry;
907		1129
908	@$registry = ();	1130	@$registry = ();
909		1131
…		…
924	cf::attachable->attach (	1146	cf::attachable->attach (
925	prio => -1000000,	1147	prio => -1000000,
926	on_instantiate => sub {	1148	on_instantiate => sub {
927	my ($obj, $data) = @_;	1149	my ($obj, $data) = @_;
928		1150
929	$data = from_json $data;	1151	$data = decode_json $data;
930		1152
931	for (@$data) {	1153	for (@$data) {
932	my ($name, $args) = @$_;	1154	my ($name, $args) = @$_;
933		1155
934	$obj->attach ($name, %{$args || {} });	1156	$obj->attach ($name, %{$args || {} });
…		…
950	sub object_freezer_save {	1172	sub object_freezer_save {
951	my ($filename, $rdata, $objs) = @_;	1173	my ($filename, $rdata, $objs) = @_;
952		1174
953	sync_job {	1175	sync_job {
954	if (length $$rdata) {	1176	if (length $$rdata) {
		1177	utf8::decode (my $decname = $filename);
955	warn sprintf "saving %s (%d,%d)\n",	1178	warn sprintf "saving %s (%d,%d)\n",
956	$filename, length $$rdata, scalar @$objs;	1179	$decname, length $$rdata, scalar @$objs;
957		1180
958	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1181	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
959	chmod SAVE_MODE, $fh;	1182	aio_chmod $fh, SAVE_MODE;
960	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1183	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
961	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	}
962	close $fh;	1188	aio_close $fh;
963		1189
964	if (@$objs) {	1190	if (@$objs) {
965	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) {
966	chmod SAVE_MODE, $fh;	1192	aio_chmod $fh, SAVE_MODE;
967	my $data = Storable::nfreeze { version => 1, objs => $objs };	1193	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
968	aio_write $fh, 0, (length $data), $data, 0;	1194	aio_write $fh, 0, (length $data), $data, 0;
969	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	}
970	close $fh;	1199	aio_close $fh;
971	aio_rename "$filename.pst~", "$filename.pst";	1200	aio_rename "$filename.pst~", "$filename.pst";
972	}	1201	}
973	} else {	1202	} else {
974	aio_unlink "$filename.pst";	1203	aio_unlink "$filename.pst";
975	}	1204	}
976		1205
977	aio_rename "$filename~", $filename;	1206	aio_rename "$filename~", $filename;
		1207
		1208	$filename =~ s%/[^/]+$%%;
		1209	aio_pathsync $filename if $cf::USE_FSYNC;
978	} else {	1210	} else {
979	warn "FATAL: $filename~: $!\n";	1211	warn "unable to save objects: $filename~: $!\n";
980	}	1212	}
981	} else {	1213	} else {
982	aio_unlink $filename;	1214	aio_unlink $filename;
983	aio_unlink "$filename.pst";	1215	aio_unlink "$filename.pst";
984	}	1216	}
985	}	1217	};
986	}	1218	}
987		1219
988	sub object_freezer_as_string {	1220	sub object_freezer_as_string {
989	my ($rdata, $objs) = @_;	1221	my ($rdata, $objs) = @_;
990		1222
…		…
1002	or return;	1234	or return;
1003		1235
1004	unless (aio_stat "$filename.pst") {	1236	unless (aio_stat "$filename.pst") {
1005	(aio_load "$filename.pst", $av) >= 0	1237	(aio_load "$filename.pst", $av) >= 0
1006	or return;	1238	or return;
		1239
1007	$av = eval { (Storable::thaw $av)->{objs} };	1240	my $st = eval { Coro::Storable::thaw $av };
		1241	$av = $st->{objs};
1008	}	1242	}
1009		1243
		1244	utf8::decode (my $decname = $filename);
1010	warn sprintf "loading %s (%d)\n",	1245	warn sprintf "loading %s (%d,%d)\n",
1011	$filename, length $data, scalar @{$av || []};	1246	$decname, length $data, scalar @{$av || []};
		1247
1012	return ($data, $av);	1248	($data, $av)
1013	}	1249	}
1014		1250
1015	=head2 COMMAND CALLBACKS	1251	=head2 COMMAND CALLBACKS
1016		1252
1017	=over 4	1253	=over 4
…		…
1071	my ($name, $cb) = @_;	1307	my ($name, $cb) = @_;
1072		1308
1073	$EXTICMD{$name} = $cb;	1309	$EXTICMD{$name} = $cb;
1074	}	1310	}
1075		1311
		1312	use File::Glob ();
		1313
1076	cf::player->attach (	1314	cf::player->attach (
1077	on_command => sub {	1315	on_unknown_command => sub {
1078	my ($pl, $name, $params) = @_;	1316	my ($pl, $name, $params) = @_;
1079		1317
1080	my $cb = $COMMAND{$name}	1318	my $cb = $COMMAND{$name}
1081	or return;	1319	or return;
1082		1320
…		…
1087	cf::override;	1325	cf::override;
1088	},	1326	},
1089	on_extcmd => sub {	1327	on_extcmd => sub {
1090	my ($pl, $buf) = @_;	1328	my ($pl, $buf) = @_;
1091		1329
1092	my $msg = eval { from_json $buf };	1330	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1093		1331
1094	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
1095	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1340	if (my $cb = $EXTCMD{$type}) {
1096	if (my %reply = $cb->($pl, $msg)) {	1341	@reply = $cb->($pl, @payload);
1097	$pl->ext_reply ($msg->{msgid}, %reply);
1098	}
1099	}	1342	}
		1343
		1344	$pl->ext_reply ($reply, @reply)
		1345	if $reply;
		1346
1100	} else {	1347	} else {
1101	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1348	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1102	}	1349	}
1103		1350
1104	cf::override;	1351	cf::override;
1105	},	1352	},
1106	);	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	}
1107		1367
1108	sub load_extensions {	1368	sub load_extensions {
1109	cf::sync_job {	1369	cf::sync_job {
1110	my %todo;	1370	my %todo;
1111		1371
…		…
1131		1391
1132	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1392	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1133	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1393	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1134		1394
1135	$ext{source} =	1395	$ext{source} =
1136	"package $pkg; use strict; use utf8;\n"	1396	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1137	. "#line 1 \"$path\"\n{\n"	1397	. "#line 1 \"$path\"\n{\n"
1138	. $source	1398	. $source
1139	. "\n};\n1";	1399	. "\n};\n1";
1140		1400
1141	$todo{$base} = \%ext;	1401	$todo{$base} = \%ext;
1142	}	1402	}
1143		1403
		1404	my $pass = 0;
1144	my %done;	1405	my %done;
1145	while (%todo) {	1406	while (%todo) {
1146	my $progress;	1407	my $progress;
1147		1408
		1409	++$pass;
		1410
		1411	ext:
1148	while (my ($k, $v) = each %todo) {	1412	while (my ($k, $v) = each %todo) {
1149	for (split /,\s*/, $v->{meta}{depends}) {	1413	for (split /,\s*/, $v->{meta}{depends}) {
1150	goto skip	1414	next ext
1151	unless exists $done{$_};	1415	unless exists $done{$_};
1152	}	1416	}
1153		1417
1154	warn "... loading '$k' into '$v->{pkg}'\n";	1418	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1155		1419
1156	unless (eval $v->{source}) {	1420	my $active = eval $v->{source};
		1421
		1422	if (length $@) {
1157	my $msg = $@ ? "$v->{path}: $@\n"	1423	warn "$v->{path}: $@\n";
1158	: "$v->{base}: extension inactive.\n";
1159		1424
		1425	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1160	if (exists $v->{meta}{mandatory}) {	1426	if exists $v->{meta}{mandatory};
1161	warn $msg;	1427	} else {
1162	warn "mandatory extension failed to load, exiting.\n";	1428	$done{$k} = delete $todo{$k};
1163	exit 1;	1429	push @EXTS, $v->{pkg};
1164	}	1430	$progress = 1;
1165		1431
1166	warn $msg;	1432	warn "$v->{base}: extension inactive.\n"
		1433	unless $active;
1167	}	1434	}
1168
1169	$done{$k} = delete $todo{$k};
1170	push @EXTS, $v->{pkg};
1171	$progress = 1;
1172	}	1435	}
1173		1436
1174	skip:	1437	unless ($progress) {
1175	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1438	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1176	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	}
1177	}	1445	}
1178	};	1446	};
1179	}	1447	}
1180		1448
1181	#############################################################################	1449	#############################################################################
1182		1450
1183	=back	1451	=back
1184		1452
1185	=head2 CORE EXTENSIONS	1453	=head2 CORE EXTENSIONS
1186		1454
1187	Functions and methods that extend core crossfire objects.	1455	Functions and methods that extend core deliantra objects.
1188		1456
1189	=cut	1457	=cut
1190		1458
1191	package cf::player;	1459	package cf::player;
1192		1460
1193	use Coro::AIO;	1461	use Coro::AIO;
1194		1462
1195	=head3 cf::player	1463	=head3 cf::player
1196		1464
1197	=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	}
1198		1480
1199	=item cf::player::find $login	1481	=item cf::player::find $login
1200		1482
1201	Returns the given player object, loading it if necessary (might block).	1483	Returns the given player object, loading it if necessary (might block).
1202		1484
…		…
1221		1503
1222	sub exists($) {	1504	sub exists($) {
1223	my ($login) = @_;	1505	my ($login) = @_;
1224		1506
1225	$cf::PLAYER{$login}	1507	$cf::PLAYER{$login}
1226	or cf::sync_job { !aio_stat path $login }	1508	or !aio_stat path $login
1227	}	1509	}
1228		1510
1229	sub find($) {	1511	sub find($) {
1230	return $cf::PLAYER{$_[0]} || do {	1512	return $cf::PLAYER{$_[0]} || do {
1231	my $login = $_[0];	1513	my $login = $_[0];
…		…
1238	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1520	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1239	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1521	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1240	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1522	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1241	aio_unlink +(playerdir $login) . "/$login.pl";	1523	aio_unlink +(playerdir $login) . "/$login.pl";
1242		1524
1243	my $pl = load_pl path $login	1525	my $f = new_from_file cf::object::thawer path $login
1244	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;
1245	$cf::PLAYER{$login} = $pl	1533	$cf::PLAYER{$login} = $pl
1246	}	1534	}
1247	}	1535	}
1248	}	1536	}
		1537
		1538	cf::player->attach (
		1539	on_load => sub {
		1540	my ($pl, $path) = @_;
		1541
		1542	# restore slots saved in save, below
		1543	my $slots = delete $pl->{_slots};
		1544
		1545	$pl->ob->current_weapon ($slots->[0]);
		1546	$pl->combat_ob ($slots->[1]);
		1547	$pl->ranged_ob ($slots->[2]);
		1548	},
		1549	);
1249		1550
1250	sub save($) {	1551	sub save($) {
1251	my ($pl) = @_;	1552	my ($pl) = @_;
1252		1553
1253	return if $pl->{deny_save};	1554	return if $pl->{deny_save};
…		…
1258	return if $pl->{deny_save};	1559	return if $pl->{deny_save};
1259		1560
1260	aio_mkdir playerdir $pl, 0770;	1561	aio_mkdir playerdir $pl, 0770;
1261	$pl->{last_save} = $cf::RUNTIME;	1562	$pl->{last_save} = $cf::RUNTIME;
1262		1563
		1564	cf::get_slot 0.01;
		1565
		1566	# save slots, to be restored later
		1567	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1568
1263	$pl->save_pl ($path);	1569	$pl->save_pl ($path);
1264	Coro::cede;	1570	cf::cede_to_tick;
1265	}	1571	}
1266		1572
1267	sub new($) {	1573	sub new($) {
1268	my ($login) = @_;	1574	my ($login) = @_;
1269		1575
…		…
1275	$cf::PLAYER{$login} = $self;	1581	$cf::PLAYER{$login} = $self;
1276		1582
1277	$self	1583	$self
1278	}	1584	}
1279		1585
		1586	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1587
		1588	=cut
		1589
		1590	sub send_msg {
		1591	my $ns = shift->ns
		1592	or return;
		1593	$ns->send_msg (@_);
		1594	}
		1595
1280	=item $pl->quit_character	1596	=item $pl->quit_character
1281		1597
1282	Nukes the player without looking back. If logged in, the connection will	1598	Nukes the player without looking back. If logged in, the connection will
1283	be destroyed. May block for a long time.	1599	be destroyed. May block for a long time.
1284		1600
…		…
1288	my ($pl) = @_;	1604	my ($pl) = @_;
1289		1605
1290	my $name = $pl->ob->name;	1606	my $name = $pl->ob->name;
1291		1607
1292	$pl->{deny_save} = 1;	1608	$pl->{deny_save} = 1;
1293	$pl->password ("*"); # this should lock out the player until we nuked the dir	1609	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1294		1610
1295	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1611	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1296	$pl->deactivate;	1612	$pl->deactivate;
		1613	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1614	$pl->ob->check_score;
1297	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1615	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1298	$pl->ns->destroy if $pl->ns;	1616	$pl->ns->destroy if $pl->ns;
1299		1617
1300	my $path = playerdir $pl;	1618	my $path = playerdir $pl;
1301	my $temp = "$path~$cf::RUNTIME~deleting~";	1619	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1337	or return [];	1655	or return [];
1338		1656
1339	my @logins;	1657	my @logins;
1340		1658
1341	for my $login (@$dirs) {	1659	for my $login (@$dirs) {
		1660	my $path = path $login;
		1661
		1662	# a .pst is a dead give-away for a valid player
		1663	# if no pst file found, open and chekc for blocked users
		1664	if (aio_stat "$path.pst") {
1342	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1665	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1343	aio_read $fh, 0, 512, my $buf, 0 or next;	1666	aio_read $fh, 0, 512, my $buf, 0 or next;
1344	$buf !~ /^password -------------$/m or next; # official not-valid tag	1667	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1668	}
1345		1669
1346	utf8::decode $login;	1670	utf8::decode $login;
1347	push @logins, $login;	1671	push @logins, $login;
1348	}	1672	}
1349		1673
…		…
1376	}	1700	}
1377		1701
1378	\@paths	1702	\@paths
1379	}	1703	}
1380		1704
1381	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1705	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1382		1706
1383	Expand crossfire pod fragments into protocol xml.	1707	Expand deliantra pod fragments into protocol xml.
1384		1708
1385	=cut
1386
1387	sub expand_cfpod {
1388	((my $self), (local $_)) = @_;
1389
1390	# escape & and <
1391	s/&/&amp;/g;
1392	s/(?<![BIUGH])</&lt;/g;
1393
1394	# this is buggy, it needs to properly take care of nested <'s
1395
1396	1 while
1397	# replace B<>, I<>, U<> etc.
1398	s/B<([^\>]*)>/<b>$1<\/b>/
1399	|| s/I<([^\>]*)>/<i>$1<\/i>/
1400	|| s/U<([^\>]*)>/<u>$1<\/u>/
1401	# replace G<male|female> tags
1402	|| s{G<([^>|]*)\|([^>]*)>}{
1403	$self->gender ? $2 : $1
1404	}ge
1405	# replace H<hint text>
1406	|| s/H<([^\>]*)>/<fg name="lightblue">[$1]<\/fg>/g;
1407
1408	# create single paragraphs (very hackish)
1409	s/(?<=\S)\n(?=\w)/ /g;
1410
1411	$_
1412	}
1413
1414	=item $player->ext_reply ($msgid, %msg)	1709	=item $player->ext_reply ($msgid, @msg)
1415		1710
1416	Sends an ext reply to the player.	1711	Sends an ext reply to the player.
1417		1712
1418	=cut	1713	=cut
1419		1714
1420	sub ext_reply($$%) {	1715	sub ext_reply($$@) {
1421	my ($self, $id, %msg) = @_;	1716	my ($self, $id, @msg) = @_;
1422		1717
1423	$msg{msgid} = $id;	1718	$self->ns->ext_reply ($id, @msg)
1424	$self->send ("ext " . cf::to_json \%msg);
1425	}	1719	}
1426		1720
1427	=item $player->ext_event ($type, %msg)	1721	=item $player->ext_msg ($type, @msg)
1428		1722
1429	Sends an ext event to the client.	1723	Sends an ext event to the client.
1430		1724
1431	=cut	1725	=cut
1432		1726
1433	sub ext_event($$%) {	1727	sub ext_msg($$@) {
1434	my ($self, $type, %msg) = @_;	1728	my ($self, $type, @msg) = @_;
1435		1729
1436	$self->ns->ext_event ($type, %msg);	1730	$self->ns->ext_msg ($type, @msg);
1437	}	1731	}
1438		1732
1439	=head3 cf::region	1733	=head3 cf::region
1440		1734
1441	=over 4	1735	=over 4
…		…
1454	my ($path) = @_;	1748	my ($path) = @_;
1455		1749
1456	my ($match, $specificity);	1750	my ($match, $specificity);
1457		1751
1458	for my $region (list) {	1752	for my $region (list) {
1459	if ($region->match && $path =~ $region->match) {	1753	if ($region->{match} && $path =~ $region->{match}) {
1460	($match, $specificity) = ($region, $region->specificity)	1754	($match, $specificity) = ($region, $region->specificity)
1461	if $region->specificity > $specificity;	1755	if $region->specificity > $specificity;
1462	}	1756	}
1463	}	1757	}
1464		1758
…		…
1485	our $MAX_RESET = 3600;	1779	our $MAX_RESET = 3600;
1486	our $DEFAULT_RESET = 3000;	1780	our $DEFAULT_RESET = 3000;
1487		1781
1488	sub generate_random_map {	1782	sub generate_random_map {
1489	my ($self, $rmp) = @_;	1783	my ($self, $rmp) = @_;
		1784
		1785	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1786
1490	# mit "rum" bekleckern, nicht	1787	# mit "rum" bekleckern, nicht
1491	$self->_create_random_map (	1788	$self->_create_random_map (
1492	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1789	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1493	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1790	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1494	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1791	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1495	$rmp->{exit_on_final_map},	1792	$rmp->{exit_on_final_map},
1496	$rmp->{xsize}, $rmp->{ysize},	1793	$rmp->{xsize}, $rmp->{ysize},
1497	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1794	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1498	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1795	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1584	$self->init; # pass $1 etc.	1881	$self->init; # pass $1 etc.
1585	return $self;	1882	return $self;
1586	}	1883	}
1587	}	1884	}
1588		1885
1589	Carp::carp "unable to resolve path '$path' (base '$base').";	1886	Carp::cluck "unable to resolve path '$path' (base '$base').";
1590	()	1887	()
1591	}	1888	}
1592		1889
1593	sub init {	1890	sub init {
1594	my ($self) = @_;	1891	my ($self) = @_;
…		…
1616		1913
1617	# the temporary/swap location	1914	# the temporary/swap location
1618	sub save_path {	1915	sub save_path {
1619	my ($self) = @_;	1916	my ($self) = @_;
1620		1917
1621	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1918	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1622	"$TMPDIR/$path.map"	1919	"$TMPDIR/$path.map"
1623	}	1920	}
1624		1921
1625	# the unique path, undef == no special unique path	1922	# the unique path, undef == no special unique path
1626	sub uniq_path {	1923	sub uniq_path {
1627	my ($self) = @_;	1924	my ($self) = @_;
1628		1925
1629	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1926	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1630	"$UNIQUEDIR/$path"	1927	"$UNIQUEDIR/$path"
1631	}
1632
1633	# and all this just because we cannot iterate over
1634	# all maps in C++...
1635	sub change_all_map_light {
1636	my ($change) = @_;
1637
1638	$_->change_map_light ($change)
1639	for grep $_->outdoor, values %cf::MAP;
1640	}	1928	}
1641		1929
1642	sub decay_objects {	1930	sub decay_objects {
1643	my ($self) = @_;	1931	my ($self) = @_;
1644		1932
…		…
1657		1945
1658	sub load_header_from($) {	1946	sub load_header_from($) {
1659	my ($self, $path) = @_;	1947	my ($self, $path) = @_;
1660		1948
1661	utf8::encode $path;	1949	utf8::encode $path;
1662	#aio_open $path, O_RDONLY, 0	1950	my $f = new_from_file cf::object::thawer $path
1663	# or return;
1664
1665	$self->_load_header ($path)
1666	or return;	1951	or return;
		1952
		1953	$self->_load_header ($f)
		1954	or return;
		1955
		1956	local $MAP_LOADING{$self->{path}} = $self;
		1957	$f->resolve_delayed_derefs;
1667		1958
1668	$self->{load_path} = $path;	1959	$self->{load_path} = $path;
1669		1960
1670	1	1961	1
1671	}	1962	}
…		…
1725	sub find {	2016	sub find {
1726	my ($path, $origin) = @_;	2017	my ($path, $origin) = @_;
1727		2018
1728	$path = normalise $path, $origin && $origin->path;	2019	$path = normalise $path, $origin && $origin->path;
1729		2020
		2021	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1730	cf::lock_wait "map_find:$path";	2022	my $guard2 = cf::lock_acquire "map_find:$path";
1731		2023
1732	$cf::MAP{$path} || do {	2024	$cf::MAP{$path} || do {
1733	my $guard = cf::lock_acquire "map_find:$path";
1734	my $map = new_from_path cf::map $path	2025	my $map = new_from_path cf::map $path
1735	or return;	2026	or return;
1736		2027
1737	$map->{last_save} = $cf::RUNTIME;	2028	$map->{last_save} = $cf::RUNTIME;
1738		2029
…		…
1740	or return;	2031	or return;
1741		2032
1742	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2033	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1743	# doing this can freeze the server in a sync job, obviously	2034	# doing this can freeze the server in a sync job, obviously
1744	#$cf::WAIT_FOR_TICK->wait;	2035	#$cf::WAIT_FOR_TICK->wait;
		2036	undef $guard2;
		2037	undef $guard1;
1745	$map->reset;	2038	$map->reset;
1746	undef $guard;
1747	return find $path;	2039	return find $path;
1748	}	2040	}
1749		2041
1750	$cf::MAP{$path} = $map	2042	$cf::MAP{$path} = $map
1751	}	2043	}
1752	}	2044	}
1753		2045
1754	sub pre_load { }	2046	sub pre_load { }
1755	sub post_load { }	2047	#sub post_load { } # XS
1756		2048
1757	sub load {	2049	sub load {
1758	my ($self) = @_;	2050	my ($self) = @_;
1759		2051
1760	local $self->{deny_reset} = 1; # loading can take a long time	2052	local $self->{deny_reset} = 1; # loading can take a long time
1761		2053
1762	my $path = $self->{path};	2054	my $path = $self->{path};
1763		2055
1764	{	2056	{
1765	my $guard = cf::lock_acquire "map_load:$path";	2057	my $guard = cf::lock_acquire "map_data:$path";
1766		2058
		2059	return unless $self->valid;
1767	return if $self->in_memory != cf::MAP_SWAPPED;	2060	return unless $self->in_memory == cf::MAP_SWAPPED;
1768		2061
1769	$self->in_memory (cf::MAP_LOADING);	2062	$self->in_memory (cf::MAP_LOADING);
1770		2063
1771	$self->alloc;	2064	$self->alloc;
1772		2065
1773	$self->pre_load;	2066	$self->pre_load;
1774	Coro::cede;	2067	cf::cede_to_tick;
1775		2068
		2069	my $f = new_from_file cf::object::thawer $self->{load_path};
		2070	$f->skip_block;
1776	$self->_load_objects ($self->{load_path}, 1)	2071	$self->_load_objects ($f)
1777	or return;	2072	or return;
1778		2073
1779	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2074	$self->post_load_original
1780	if delete $self->{load_original};	2075	if delete $self->{load_original};
1781		2076
1782	if (my $uniq = $self->uniq_path) {	2077	if (my $uniq = $self->uniq_path) {
1783	utf8::encode $uniq;	2078	utf8::encode $uniq;
1784	if (aio_open $uniq, O_RDONLY, 0) {	2079	unless (aio_stat $uniq) {
		2080	if (my $f = new_from_file cf::object::thawer $uniq) {
1785	$self->clear_unique_items;	2081	$self->clear_unique_items;
1786	$self->_load_objects ($uniq, 0);	2082	$self->_load_objects ($f);
		2083	$f->resolve_delayed_derefs;
		2084	}
1787	}	2085	}
1788	}	2086	}
1789		2087
1790	Coro::cede;	2088	$f->resolve_delayed_derefs;
		2089
		2090	cf::cede_to_tick;
1791	# now do the right thing for maps	2091	# now do the right thing for maps
1792	$self->link_multipart_objects;	2092	$self->link_multipart_objects;
1793	$self->difficulty ($self->estimate_difficulty)	2093	$self->difficulty ($self->estimate_difficulty)
1794	unless $self->difficulty;	2094	unless $self->difficulty;
1795	Coro::cede;	2095	cf::cede_to_tick;
1796		2096
1797	unless ($self->{deny_activate}) {	2097	unless ($self->{deny_activate}) {
1798	$self->decay_objects;	2098	$self->decay_objects;
1799	$self->fix_auto_apply;	2099	$self->fix_auto_apply;
1800	$self->update_buttons;	2100	$self->update_buttons;
1801	Coro::cede;	2101	cf::cede_to_tick;
1802	$self->set_darkness_map;
1803	Coro::cede;
1804	$self->activate;	2102	$self->activate;
1805	}	2103	}
1806		2104
		2105	$self->{last_save} = $cf::RUNTIME;
		2106	$self->last_access ($cf::RUNTIME);
		2107
1807	$self->in_memory (cf::MAP_IN_MEMORY);	2108	$self->in_memory (cf::MAP_ACTIVE);
1808	}	2109	}
1809		2110
1810	$self->post_load;	2111	$self->post_load;
1811	}	2112	}
1812		2113
		2114	# customize the map for a given player, i.e.
		2115	# return the _real_ map. used by e.g. per-player
		2116	# maps to change the path to ~playername/mappath
1813	sub customise_for {	2117	sub customise_for {
1814	my ($self, $ob) = @_;	2118	my ($self, $ob) = @_;
1815		2119
1816	return find "~" . $ob->name . "/" . $self->{path}	2120	return find "~" . $ob->name . "/" . $self->{path}
1817	if $self->per_player;	2121	if $self->per_player;
…		…
1821		2125
1822	$self	2126	$self
1823	}	2127	}
1824		2128
1825	# find and load all maps in the 3x3 area around a map	2129	# find and load all maps in the 3x3 area around a map
1826	sub load_diag {	2130	sub load_neighbours {
1827	my ($map) = @_;	2131	my ($map) = @_;
1828		2132
1829	my @diag; # diagonal neighbours	2133	my @neigh; # diagonal neighbours
1830		2134
1831	for (0 .. 3) {	2135	for (0 .. 3) {
1832	my $neigh = $map->tile_path ($_)	2136	my $neigh = $map->tile_path ($_)
1833	or next;	2137	or next;
1834	$neigh = find $neigh, $map	2138	$neigh = find $neigh, $map
1835	or next;	2139	or next;
1836	$neigh->load;	2140	$neigh->load;
1837		2141
		2142	push @neigh,
1838	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2143	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1839	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2144	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1840	}	2145	}
1841		2146
1842	for (@diag) {	2147	for (grep defined $_->[0], @neigh) {
		2148	my ($path, $origin) = @$_;
1843	my $neigh = find @$_	2149	my $neigh = find $path, $origin
1844	or next;	2150	or next;
1845	$neigh->load;	2151	$neigh->load;
1846	}	2152	}
1847	}	2153	}
1848		2154
…		…
1853	}	2159	}
1854		2160
1855	sub do_load_sync {	2161	sub do_load_sync {
1856	my ($map) = @_;	2162	my ($map) = @_;
1857		2163
		2164	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2165	if $Coro::current == $Coro::main;
		2166
1858	cf::sync_job { $map->load };	2167	cf::sync_job { $map->load };
1859	}	2168	}
1860		2169
1861	our %MAP_PREFETCH;	2170	our %MAP_PREFETCH;
1862	our $MAP_PREFETCHER = undef;	2171	our $MAP_PREFETCHER = undef;
1863		2172
1864	sub find_async {	2173	sub find_async {
1865	my ($path, $origin) = @_;	2174	my ($path, $origin, $load) = @_;
1866		2175
1867	$path = normalise $path, $origin && $origin->{path};	2176	$path = normalise $path, $origin && $origin->{path};
1868		2177
1869	if (my $map = $cf::MAP{$path}) {	2178	if (my $map = $cf::MAP{$path}) {
1870	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2179	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1871	}	2180	}
1872		2181
1873	undef $MAP_PREFETCH{$path};	2182	$MAP_PREFETCH{$path} |= $load;
		2183
1874	$MAP_PREFETCHER ||= cf::async {	2184	$MAP_PREFETCHER ||= cf::async {
		2185	$Coro::current->{desc} = "map prefetcher";
		2186
1875	while (%MAP_PREFETCH) {	2187	while (%MAP_PREFETCH) {
1876	for my $path (keys %MAP_PREFETCH) {	2188	while (my ($k, $v) = each %MAP_PREFETCH) {
1877	my $map = find $path	2189	if (my $map = find $k) {
1878	or next;
1879	$map->load;	2190	$map->load if $v;
		2191	}
1880		2192
1881	delete $MAP_PREFETCH{$path};	2193	delete $MAP_PREFETCH{$k};
1882	}	2194	}
1883	}	2195	}
1884	undef $MAP_PREFETCHER;	2196	undef $MAP_PREFETCHER;
1885	};	2197	};
1886	$MAP_PREFETCHER->prio (6);	2198	$MAP_PREFETCHER->prio (6);
…		…
1889	}	2201	}
1890		2202
1891	sub save {	2203	sub save {
1892	my ($self) = @_;	2204	my ($self) = @_;
1893		2205
1894	my $lock = cf::lock_acquire "map_data:" . $self->path;	2206	my $lock = cf::lock_acquire "map_data:$self->{path}";
1895		2207
1896	$self->{last_save} = $cf::RUNTIME;	2208	$self->{last_save} = $cf::RUNTIME;
1897		2209
1898	return unless $self->dirty;	2210	return unless $self->dirty;
1899		2211
…		…
1905	return if $self->{deny_save};	2217	return if $self->{deny_save};
1906		2218
1907	local $self->{last_access} = $self->last_access;#d#	2219	local $self->{last_access} = $self->last_access;#d#
1908		2220
1909	cf::async {	2221	cf::async {
		2222	$Coro::current->{desc} = "map player save";
1910	$_->contr->save for $self->players;	2223	$_->contr->save for $self->players;
1911	};	2224	};
		2225
		2226	cf::get_slot 0.02;
1912		2227
1913	if ($uniq) {	2228	if ($uniq) {
1914	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2229	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1915	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2230	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1916	} else {	2231	} else {
…		…
1922	my ($self) = @_;	2237	my ($self) = @_;
1923		2238
1924	# save first because save cedes	2239	# save first because save cedes
1925	$self->save;	2240	$self->save;
1926		2241
1927	my $lock = cf::lock_acquire "map_data:" . $self->path;	2242	my $lock = cf::lock_acquire "map_data:$self->{path}";
1928		2243
1929	return if $self->players;	2244	return if $self->players;
1930	return if $self->in_memory != cf::MAP_IN_MEMORY;	2245	return if $self->in_memory != cf::MAP_ACTIVE;
1931	return if $self->{deny_save};	2246	return if $self->{deny_save};
1932		2247
		2248	$self->in_memory (cf::MAP_SWAPPED);
		2249
		2250	$self->deactivate;
		2251	$_->clear_links_to ($self) for values %cf::MAP;
1933	$self->clear;	2252	$self->clear;
1934	$self->in_memory (cf::MAP_SWAPPED);
1935	}	2253	}
1936		2254
1937	sub reset_at {	2255	sub reset_at {
1938	my ($self) = @_;	2256	my ($self) = @_;
1939		2257
…		…
1957		2275
1958	my $lock = cf::lock_acquire "map_data:$self->{path}";	2276	my $lock = cf::lock_acquire "map_data:$self->{path}";
1959		2277
1960	return if $self->players;	2278	return if $self->players;
1961		2279
1962	warn "resetting map ", $self->path;	2280	warn "resetting map ", $self->path, "\n";
1963		2281
1964	$self->in_memory (cf::MAP_SWAPPED);	2282	$self->in_memory (cf::MAP_SWAPPED);
1965		2283
1966	# need to save uniques path	2284	# need to save uniques path
1967	unless ($self->{deny_save}) {	2285	unless ($self->{deny_save}) {
…		…
1971	if $uniq;	2289	if $uniq;
1972	}	2290	}
1973		2291
1974	delete $cf::MAP{$self->path};	2292	delete $cf::MAP{$self->path};
1975		2293
		2294	$self->deactivate;
		2295	$_->clear_links_to ($self) for values %cf::MAP;
1976	$self->clear;	2296	$self->clear;
1977
1978	$_->clear_links_to ($self) for values %cf::MAP;
1979		2297
1980	$self->unlink_save;	2298	$self->unlink_save;
1981	$self->destroy;	2299	$self->destroy;
1982	}	2300	}
1983		2301
1984	my $nuke_counter = "aaaa";	2302	my $nuke_counter = "aaaa";
1985		2303
1986	sub nuke {	2304	sub nuke {
1987	my ($self) = @_;	2305	my ($self) = @_;
1988		2306
		2307	{
		2308	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2309
1989	delete $cf::MAP{$self->path};	2310	delete $cf::MAP{$self->path};
1990		2311
1991	$self->unlink_save;	2312	$self->unlink_save;
1992		2313
1993	bless $self, "cf::map";	2314	bless $self, "cf::map";
1994	delete $self->{deny_reset};	2315	delete $self->{deny_reset};
1995	$self->{deny_save} = 1;	2316	$self->{deny_save} = 1;
1996	$self->reset_timeout (1);	2317	$self->reset_timeout (1);
1997	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2318	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1998		2319
1999	$cf::MAP{$self->path} = $self;	2320	$cf::MAP{$self->path} = $self;
		2321	}
2000		2322
2001	$self->reset; # polite request, might not happen	2323	$self->reset; # polite request, might not happen
2002	}	2324	}
2003		2325
2004	=item $maps = cf::map::tmp_maps	2326	=item $maps = cf::map::tmp_maps
…		…
2046		2368
2047	sub unique_maps() {	2369	sub unique_maps() {
2048	[	2370	[
2049	map {	2371	map {
2050	utf8::decode $_;	2372	utf8::decode $_;
2051	/\.map$/	2373	s/\.map$//; # TODO future compatibility hack
		2374	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2375	? ()
2052	? normalise $_	2376	: normalise $_
2053	: ()
2054	} @{ aio_readdir $UNIQUEDIR or [] }	2377	} @{ aio_readdir $UNIQUEDIR or [] }
2055	]	2378	]
2056	}	2379	}
2057		2380
2058	package cf;	2381	=item cf::map::static_maps
		2382
		2383	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2384	file in the shared directory excluding F</styles> and F</editor>). May
		2385	block.
		2386
		2387	=cut
		2388
		2389	sub static_maps() {
		2390	my @dirs = "";
		2391	my @maps;
		2392
		2393	while (@dirs) {
		2394	my $dir = shift @dirs;
		2395
		2396	next if $dir eq "/styles" || $dir eq "/editor";
		2397
		2398	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2399	or return;
		2400
		2401	for (@$files) {
		2402	s/\.map$// or next;
		2403	utf8::decode $_;
		2404	push @maps, "$dir/$_";
		2405	}
		2406
		2407	push @dirs, map "$dir/$_", @$dirs;
		2408	}
		2409
		2410	\@maps
		2411	}
2059		2412
2060	=back	2413	=back
2061		2414
2062	=head3 cf::object	2415	=head3 cf::object
2063		2416
…		…
2067		2420
2068	=over 4	2421	=over 4
2069		2422
2070	=item $ob->inv_recursive	2423	=item $ob->inv_recursive
2071		2424
2072	Returns the inventory of the object _and_ their inventories, recursively.	2425	Returns the inventory of the object I<and> their inventories, recursively,
		2426	but I<not> the object itself.
2073		2427
2074	=cut	2428	=cut
2075		2429
2076	sub inv_recursive_;	2430	sub inv_recursive_;
2077	sub inv_recursive_ {	2431	sub inv_recursive_ {
…		…
2080		2434
2081	sub inv_recursive {	2435	sub inv_recursive {
2082	inv_recursive_ inv $_[0]	2436	inv_recursive_ inv $_[0]
2083	}	2437	}
2084		2438
		2439	=item $ref = $ob->ref
		2440
		2441	Creates and returns a persistent reference to an object that can be stored as a string.
		2442
		2443	=item $ob = cf::object::deref ($refstring)
		2444
		2445	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2446	even if the object actually exists. May block.
		2447
		2448	=cut
		2449
		2450	sub deref {
		2451	my ($ref) = @_;
		2452
		2453	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2454	my ($uuid, $name) = ($1, $2);
		2455	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2456	or return;
		2457	$pl->ob->uuid eq $uuid
		2458	or return;
		2459
		2460	$pl->ob
		2461	} else {
		2462	warn "$ref: cannot resolve object reference\n";
		2463	undef
		2464	}
		2465	}
		2466
2085	package cf;	2467	package cf;
2086		2468
2087	=back	2469	=back
2088		2470
2089	=head3 cf::object::player	2471	=head3 cf::object::player
…		…
2095	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2477	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2096	can be C<undef>. Does the right thing when the player is currently in a	2478	can be C<undef>. Does the right thing when the player is currently in a
2097	dialogue with the given NPC character.	2479	dialogue with the given NPC character.
2098		2480
2099	=cut	2481	=cut
		2482
		2483	our $SAY_CHANNEL = {
		2484	id => "say",
		2485	title => "Map",
		2486	reply => "say ",
		2487	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2488	};
		2489
		2490	our $CHAT_CHANNEL = {
		2491	id => "chat",
		2492	title => "Chat",
		2493	reply => "chat ",
		2494	tooltip => "Player chat and shouts, global to the server.",
		2495	};
2100		2496
2101	# rough implementation of a future "reply" method that works	2497	# rough implementation of a future "reply" method that works
2102	# with dialog boxes.	2498	# with dialog boxes.
2103	#TODO: the first argument must go, split into a $npc->reply_to ( method	2499	#TODO: the first argument must go, split into a $npc->reply_to ( method
2104	sub cf::object::player::reply($$$;$) {	2500	sub cf::object::player::reply($$$;$) {
…		…
2111		2507
2112	} else {	2508	} else {
2113	my $pl = $self->contr;	2509	my $pl = $self->contr;
2114		2510
2115	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2511	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2116	my $diag = $pl->{npc_dialog};	2512	my $dialog = $pl->{npc_dialog};
2117	$diag->{pl}->ext_reply (	2513	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2118	$diag->{id},
2119	msgtype => "reply",
2120	msg => $diag->{pl}->expand_cfpod ($msg),
2121	add_topics => []
2122	);
2123		2514
2124	} else {	2515	} else {
2125	$msg = $npc->name . " says: $msg" if $npc;	2516	$msg = $npc->name . " says: $msg" if $npc;
2126	$self->message ($msg, $flags);	2517	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2127	}	2518	}
2128	}	2519	}
		2520	}
		2521
		2522	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2523
		2524	=cut
		2525
		2526	sub cf::object::send_msg {
		2527	my $pl = shift->contr
		2528	or return;
		2529	$pl->send_msg (@_);
2129	}	2530	}
2130		2531
2131	=item $player_object->may ("access")	2532	=item $player_object->may ("access")
2132		2533
2133	Returns wether the given player is authorized to access resource "access"	2534	Returns wether the given player is authorized to access resource "access"
…		…
2146		2547
2147	=item $player_object->enter_link	2548	=item $player_object->enter_link
2148		2549
2149	Freezes the player and moves him/her to a special map (C<{link}>).	2550	Freezes the player and moves him/her to a special map (C<{link}>).
2150		2551
2151	The player should be reasonably safe there for short amounts of time. You	2552	The player should be reasonably safe there for short amounts of time (e.g.
2152	I<MUST> call C<leave_link> as soon as possible, though.	2553	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2554	though, as the palyer cannot control the character while it is on the link
		2555	map.
2153		2556
2154	Will never block.	2557	Will never block.
2155		2558
2156	=item $player_object->leave_link ($map, $x, $y)	2559	=item $player_object->leave_link ($map, $x, $y)
2157		2560
…		…
2209	($x, $y) = (-1, -1)	2612	($x, $y) = (-1, -1)
2210	unless (defined $x) && (defined $y);	2613	unless (defined $x) && (defined $y);
2211		2614
2212	# use -1 or undef as default coordinates, not 0, 0	2615	# use -1 or undef as default coordinates, not 0, 0
2213	($x, $y) = ($map->enter_x, $map->enter_y)	2616	($x, $y) = ($map->enter_x, $map->enter_y)
2214	if $x <=0 && $y <= 0;	2617	if $x <= 0 && $y <= 0;
2215		2618
2216	$map->load;	2619	$map->load;
2217	$map->load_diag;	2620	$map->load_neighbours;
2218		2621
2219	return unless $self->contr->active;	2622	return unless $self->contr->active;
2220	$self->activate_recursive;
2221		2623
2222	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2624	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2223	$self->enter_map ($map, $x, $y);	2625	$self->enter_map ($map, $x, $y);
2224	}
2225		2626
		2627	# only activate afterwards, to support waiting in hooks
		2628	$self->activate_recursive;
		2629	}
		2630
2226	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2631	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2227		2632
2228	Moves the player to the given map-path and coordinates by first freezing	2633	Moves the player to the given map-path and coordinates by first freezing
2229	her, loading and preparing them map, calling the provided $check callback	2634	her, loading and preparing them map, calling the provided $check callback
2230	that has to return the map if sucecssful, and then unfreezes the player on	2635	that has to return the map if sucecssful, and then unfreezes the player on
2231	the new (success) or old (failed) map position.	2636	the new (success) or old (failed) map position. In either case, $done will
		2637	be called at the end of this process.
		2638
		2639	Note that $check will be called with a potentially non-loaded map, so if
		2640	it needs a loaded map it has to call C<< ->load >>.
2232		2641
2233	=cut	2642	=cut
2234		2643
2235	our $GOTOGEN;	2644	our $GOTOGEN;
2236		2645
2237	sub cf::object::player::goto {	2646	sub cf::object::player::goto {
2238	my ($self, $path, $x, $y, $check) = @_;	2647	my ($self, $path, $x, $y, $check, $done) = @_;
2239		2648
2240	# do generation counting so two concurrent goto's will be executed in-order	2649	# do generation counting so two concurrent goto's will be executed in-order
2241	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2650	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2242		2651
2243	$self->enter_link;	2652	$self->enter_link;
2244		2653
2245	(async {	2654	(async {
		2655	$Coro::current->{desc} = "player::goto $path $x $y";
		2656
		2657	# *tag paths override both path and x|y
		2658	if ($path =~ /^\*(.*)$/) {
		2659	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2660	my $ob = $obs[rand @obs];
		2661
		2662	# see if we actually can go there
		2663	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2664	$ob = $obs[rand @obs];
		2665	} else {
		2666	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2667	}
		2668	# else put us there anyways for now #d#
		2669
		2670	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2671	} else {
		2672	($path, $x, $y) = (undef, undef, undef);
		2673	}
		2674	}
		2675
2246	my $map = eval {	2676	my $map = eval {
2247	my $map = cf::map::find $path;	2677	my $map = defined $path ? cf::map::find $path : undef;
2248		2678
2249	if ($map) {	2679	if ($map) {
2250	$map = $map->customise_for ($self);	2680	$map = $map->customise_for ($self);
2251	$map = $check->($map) if $check && $map;	2681	$map = $check->($map) if $check && $map;
2252	} else {	2682	} else {
2253	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2683	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2254	}	2684	}
2255		2685
2256	$map	2686	$map
2257	};	2687	};
2258		2688
…		…
2263		2693
2264	if ($gen == $self->{_goto_generation}) {	2694	if ($gen == $self->{_goto_generation}) {
2265	delete $self->{_goto_generation};	2695	delete $self->{_goto_generation};
2266	$self->leave_link ($map, $x, $y);	2696	$self->leave_link ($map, $x, $y);
2267	}	2697	}
		2698
		2699	$done->() if $done;
2268	})->prio (1);	2700	})->prio (1);
2269	}	2701	}
2270		2702
2271	=item $player_object->enter_exit ($exit_object)	2703	=item $player_object->enter_exit ($exit_object)
2272		2704
…		…
2292	}	2724	}
2293		2725
2294	sub prepare_random_map {	2726	sub prepare_random_map {
2295	my ($exit) = @_;	2727	my ($exit) = @_;
2296		2728
2297	my $guard = cf::lock_acquire "exit_prepare:$exit";
2298
2299	# all this does is basically replace the /! path by	2729	# all this does is basically replace the /! path by
2300	# a new random map path (?random/...) with a seed	2730	# a new random map path (?random/...) with a seed
2301	# that depends on the exit object	2731	# that depends on the exit object
2302		2732
2303	my $rmp = parse_random_map_params $exit->msg;	2733	my $rmp = parse_random_map_params $exit->msg;
…		…
2305	if ($exit->map) {	2735	if ($exit->map) {
2306	$rmp->{region} = $exit->region->name;	2736	$rmp->{region} = $exit->region->name;
2307	$rmp->{origin_map} = $exit->map->path;	2737	$rmp->{origin_map} = $exit->map->path;
2308	$rmp->{origin_x} = $exit->x;	2738	$rmp->{origin_x} = $exit->x;
2309	$rmp->{origin_y} = $exit->y;	2739	$rmp->{origin_y} = $exit->y;
		2740
		2741	$exit->map->touch;
2310	}	2742	}
2311		2743
2312	$rmp->{random_seed} ||= $exit->random_seed;	2744	$rmp->{random_seed} ||= $exit->random_seed;
2313		2745
2314	my $data = cf::to_json $rmp;	2746	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2315	my $md5 = Digest::MD5::md5_hex $data;	2747	my $md5 = Digest::MD5::md5_hex $data;
2316	my $meta = "$RANDOMDIR/$md5.meta";	2748	my $meta = "$RANDOMDIR/$md5.meta";
2317		2749
2318	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2750	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2319	aio_write $fh, 0, (length $data), $data, 0;	2751	aio_write $fh, 0, (length $data), $data, 0;
2320	undef $fh;	2752	undef $fh;
2321	aio_rename "$meta~", $meta;	2753	aio_rename "$meta~", $meta;
2322		2754
		2755	my $slaying = "?random/$md5";
		2756
		2757	if ($exit->valid) {
2323	$exit->slaying ("?random/$md5");	2758	$exit->slaying ("?random/$md5");
2324	$exit->msg (undef);	2759	$exit->msg (undef);
		2760	}
2325	}	2761	}
2326	}	2762	}
2327		2763
2328	sub cf::object::player::enter_exit {	2764	sub cf::object::player::enter_exit {
2329	my ($self, $exit) = @_;	2765	my ($self, $exit) = @_;
2330		2766
2331	return unless $self->type == cf::PLAYER;	2767	return unless $self->type == cf::PLAYER;
2332		2768
2333	if ($exit->slaying eq "/!") {
2334	#TODO: this should de-fi-ni-te-ly not be a sync-job
2335	# the problem is that $exit might not survive long enough
2336	# so it needs to be done right now, right here
2337	cf::sync_job { prepare_random_map $exit };
2338	}
2339
2340	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2341	my $hp = $exit->stats->hp;
2342	my $sp = $exit->stats->sp;
2343
2344	$self->enter_link;	2769	$self->enter_link;
2345		2770
2346	(async {	2771	(async {
2347	$self->deactivate_recursive; # just to be sure	2772	$Coro::current->{desc} = "enter_exit";
		2773
2348	unless (eval {	2774	unless (eval {
		2775	$self->deactivate_recursive; # just to be sure
		2776
		2777	# random map handling
		2778	{
		2779	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2780
		2781	prepare_random_map $exit
		2782	if $exit->slaying eq "/!";
		2783	}
		2784
		2785	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2786	my $x = $exit->stats->hp;
		2787	my $y = $exit->stats->sp;
		2788
2349	$self->goto ($slaying, $hp, $sp);	2789	$self->goto ($map, $x, $y);
2350		2790
		2791	# if exit is damned, update players death & WoR home-position
		2792	$self->contr->savebed ($map, $x, $y)
		2793	if $exit->flag (cf::FLAG_DAMNED);
		2794
2351	1;	2795	1
2352	}) {	2796	}) {
2353	$self->message ("Something went wrong deep within the crossfire server. "	2797	$self->message ("Something went wrong deep within the deliantra server. "
2354	. "I'll try to bring you back to the map you were before. "	2798	. "I'll try to bring you back to the map you were before. "
2355	. "Please report this to the dungeon master!",	2799	. "Please report this to the dungeon master!",
2356	cf::NDI_UNIQUE | cf::NDI_RED);	2800	cf::NDI_UNIQUE | cf::NDI_RED);
2357		2801
2358	warn "ERROR in enter_exit: $@";	2802	warn "ERROR in enter_exit: $@";
…		…
2377		2821
2378	utf8::encode $text;	2822	utf8::encode $text;
2379	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2823	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2380	}	2824	}
2381		2825
		2826	=item $client->send_big_packet ($pkt)
		2827
		2828	Like C<send_packet>, but tries to compress large packets, and fragments
		2829	them as required.
		2830
		2831	=cut
		2832
		2833	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2834
		2835	sub cf::client::send_big_packet {
		2836	my ($self, $pkt) = @_;
		2837
		2838	# try lzf for large packets
		2839	$pkt = "lzf " . Compress::LZF::compress $pkt
		2840	if 1024 <= length $pkt and $self->{can_lzf};
		2841
		2842	# split very large packets
		2843	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2844	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2845	$pkt = "frag";
		2846	}
		2847
		2848	$self->send_packet ($pkt);
		2849	}
		2850
2382	=item $client->send_msg ($color, $type, $msg, [extra...])	2851	=item $client->send_msg ($channel, $msg, $color, [extra...])
2383		2852
2384	Send a drawinfo or msg packet to the client, formatting the msg for the	2853	Send a drawinfo or msg packet to the client, formatting the msg for the
2385	client if neccessary. C<$type> should be a string identifying the type of	2854	client if neccessary. C<$type> should be a string identifying the type of
2386	the message, with C<log> being the default. If C<$color> is negative, suppress	2855	the message, with C<log> being the default. If C<$color> is negative, suppress
2387	the message unless the client supports the msg packet.	2856	the message unless the client supports the msg packet.
2388		2857
2389	=cut	2858	=cut
2390		2859
		2860	# non-persistent channels (usually the info channel)
		2861	our %CHANNEL = (
		2862	"c/motd" => {
		2863	id => "infobox",
		2864	title => "MOTD",
		2865	reply => undef,
		2866	tooltip => "The message of the day",
		2867	},
		2868	"c/identify" => {
		2869	id => "infobox",
		2870	title => "Identify",
		2871	reply => undef,
		2872	tooltip => "Items recently identified",
		2873	},
		2874	"c/examine" => {
		2875	id => "infobox",
		2876	title => "Examine",
		2877	reply => undef,
		2878	tooltip => "Signs and other items you examined",
		2879	},
		2880	"c/shopinfo" => {
		2881	id => "infobox",
		2882	title => "Shop Info",
		2883	reply => undef,
		2884	tooltip => "What your bargaining skill tells you about the shop",
		2885	},
		2886	"c/book" => {
		2887	id => "infobox",
		2888	title => "Book",
		2889	reply => undef,
		2890	tooltip => "The contents of a note or book",
		2891	},
		2892	"c/lookat" => {
		2893	id => "infobox",
		2894	title => "Look",
		2895	reply => undef,
		2896	tooltip => "What you saw there",
		2897	},
		2898	"c/who" => {
		2899	id => "infobox",
		2900	title => "Players",
		2901	reply => undef,
		2902	tooltip => "Shows players who are currently online",
		2903	},
		2904	"c/body" => {
		2905	id => "infobox",
		2906	title => "Body Parts",
		2907	reply => undef,
		2908	tooltip => "Shows which body parts you posess and are available",
		2909	},
		2910	"c/statistics" => {
		2911	id => "infobox",
		2912	title => "Statistics",
		2913	reply => undef,
		2914	tooltip => "Shows your primary statistics",
		2915	},
		2916	"c/skills" => {
		2917	id => "infobox",
		2918	title => "Skills",
		2919	reply => undef,
		2920	tooltip => "Shows your experience per skill and item power",
		2921	},
		2922	"c/shopitems" => {
		2923	id => "infobox",
		2924	title => "Shop Items",
		2925	reply => undef,
		2926	tooltip => "Shows the items currently for sale in this shop",
		2927	},
		2928	"c/resistances" => {
		2929	id => "infobox",
		2930	title => "Resistances",
		2931	reply => undef,
		2932	tooltip => "Shows your resistances",
		2933	},
		2934	"c/pets" => {
		2935	id => "infobox",
		2936	title => "Pets",
		2937	reply => undef,
		2938	tooltip => "Shows information abotu your pets/a specific pet",
		2939	},
		2940	"c/perceiveself" => {
		2941	id => "infobox",
		2942	title => "Perceive Self",
		2943	reply => undef,
		2944	tooltip => "You gained detailed knowledge about yourself",
		2945	},
		2946	"c/uptime" => {
		2947	id => "infobox",
		2948	title => "Uptime",
		2949	reply => undef,
		2950	tooltip => "How long the server has been running since last restart",
		2951	},
		2952	"c/mapinfo" => {
		2953	id => "infobox",
		2954	title => "Map Info",
		2955	reply => undef,
		2956	tooltip => "Information related to the maps",
		2957	},
		2958	"c/party" => {
		2959	id => "party",
		2960	title => "Party",
		2961	reply => "gsay ",
		2962	tooltip => "Messages and chat related to your party",
		2963	},
		2964	"c/death" => {
		2965	id => "death",
		2966	title => "Death",
		2967	reply => undef,
		2968	tooltip => "Reason for and more info about your most recent death",
		2969	},
		2970	"c/say" => $SAY_CHANNEL,
		2971	"c/chat" => $CHAT_CHANNEL,
		2972	);
		2973
2391	sub cf::client::send_msg {	2974	sub cf::client::send_msg {
2392	my ($self, $color, $type, $msg, @extra) = @_;	2975	my ($self, $channel, $msg, $color, @extra) = @_;
2393		2976
2394	$msg = $self->pl->expand_cfpod ($msg);	2977	$msg = $self->pl->expand_cfpod ($msg)
		2978	unless $color & cf::NDI_VERBATIM;
2395		2979
2396	if ($self->can_msg) {	2980	$color &= cf::NDI_CLIENT_MASK; # just in case...
2397	$self->send_packet ("msg " . cf::to_json [$color, $type, $msg, @extra]);
2398	} else {
2399	# replace some tags by gcfclient-compatible ones
2400	for ($msg) {
2401	1 while
2402	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2403	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2404	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2405	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2406	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2407	}
2408		2981
2409	if ($color >= 0) {	2982	# check predefined channels, for the benefit of C
2410	if (0 && $msg =~ /\[/) {	2983	if ($CHANNEL{$channel}) {
2411	$self->send_packet ("drawextinfo $color 4 0 $msg")	2984	$channel = $CHANNEL{$channel};
2412	} else {	2985
2413	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	2986	$self->ext_msg (channel_info => $channel);
2414	$self->send_packet ("drawinfo $color $msg")	2987	$channel = $channel->{id};
		2988
		2989	} elsif (ref $channel) {
		2990	# send meta info to client, if not yet sent
		2991	unless (exists $self->{channel}{$channel->{id}}) {
		2992	$self->{channel}{$channel->{id}} = $channel;
		2993	$self->ext_msg (channel_info => $channel);
2415	}	2994	}
2416	}
2417	}
2418	}
2419		2995
		2996	$channel = $channel->{id};
		2997	}
		2998
		2999	return unless @extra || length $msg;
		3000
		3001	# default colour, mask it out
		3002	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3003	if $color & cf::NDI_DEF;
		3004
		3005	my $pkt = "msg "
		3006	. $self->{json_coder}->encode (
		3007	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3008	);
		3009
		3010	$self->send_big_packet ($pkt);
		3011	}
		3012
2420	=item $client->ext_event ($type, %msg)	3013	=item $client->ext_msg ($type, @msg)
2421		3014
2422	Sends an ext event to the client.	3015	Sends an ext event to the client.
2423		3016
2424	=cut	3017	=cut
2425		3018
2426	sub cf::client::ext_event($$%) {	3019	sub cf::client::ext_msg($$@) {
2427	my ($self, $type, %msg) = @_;	3020	my ($self, $type, @msg) = @_;
2428		3021
		3022	if ($self->extcmd == 2) {
		3023	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3024	} elsif ($self->extcmd == 1) { # TODO: remove
2429	$msg{msgtype} = "event_$type";	3025	push @msg, msgtype => "event_$type";
2430	$self->send_packet ("ext " . cf::to_json \%msg);	3026	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3027	}
		3028	}
		3029
		3030	=item $client->ext_reply ($msgid, @msg)
		3031
		3032	Sends an ext reply to the client.
		3033
		3034	=cut
		3035
		3036	sub cf::client::ext_reply($$@) {
		3037	my ($self, $id, @msg) = @_;
		3038
		3039	if ($self->extcmd == 2) {
		3040	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3041	} elsif ($self->extcmd == 1) {
		3042	#TODO: version 1, remove
		3043	unshift @msg, msgtype => "reply", msgid => $id;
		3044	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3045	}
2431	}	3046	}
2432		3047
2433	=item $success = $client->query ($flags, "text", \&cb)	3048	=item $success = $client->query ($flags, "text", \&cb)
2434		3049
2435	Queues a query to the client, calling the given callback with	3050	Queues a query to the client, calling the given callback with
…		…
2458		3073
2459	1	3074	1
2460	}	3075	}
2461		3076
2462	cf::client->attach (	3077	cf::client->attach (
		3078	on_connect => sub {
		3079	my ($ns) = @_;
		3080
		3081	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3082	},
2463	on_reply => sub {	3083	on_reply => sub {
2464	my ($ns, $msg) = @_;	3084	my ($ns, $msg) = @_;
2465		3085
2466	# this weird shuffling is so that direct followup queries	3086	# this weird shuffling is so that direct followup queries
2467	# get handled first	3087	# get handled first
…		…
2482	}	3102	}
2483	},	3103	},
2484	on_exticmd => sub {	3104	on_exticmd => sub {
2485	my ($ns, $buf) = @_;	3105	my ($ns, $buf) = @_;
2486		3106
2487	my $msg = eval { from_json $buf };	3107	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2488		3108
2489	if (ref $msg) {	3109	if (ref $msg) {
		3110	my ($type, $reply, @payload) =
		3111	"ARRAY" eq ref $msg
		3112	? @$msg
		3113	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3114
		3115	my @reply;
		3116
2490	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3117	if (my $cb = $EXTICMD{$type}) {
2491	if (my %reply = $cb->($ns, $msg)) {	3118	@reply = $cb->($ns, @payload);
2492	$reply{msgid} = $msg->{msgid};
2493	$ns->send ("ext " . cf::to_json \%reply);
2494	}
2495	}	3119	}
		3120
		3121	$ns->ext_reply ($reply, @reply)
		3122	if $reply;
		3123
2496	} else {	3124	} else {
2497	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3125	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2498	}	3126	}
2499		3127
2500	cf::override;	3128	cf::override;
…		…
2522		3150
2523	$coro	3151	$coro
2524	}	3152	}
2525		3153
2526	cf::client->attach (	3154	cf::client->attach (
2527	on_destroy => sub {	3155	on_client_destroy => sub {
2528	my ($ns) = @_;	3156	my ($ns) = @_;
2529		3157
2530	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3158	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2531	},	3159	},
2532	);	3160	);
…		…
2547	our $safe = new Safe "safe";	3175	our $safe = new Safe "safe";
2548	our $safe_hole = new Safe::Hole;	3176	our $safe_hole = new Safe::Hole;
2549		3177
2550	$SIG{FPE} = 'IGNORE';	3178	$SIG{FPE} = 'IGNORE';
2551		3179
2552	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3180	$safe->permit_only (Opcode::opset qw(
		3181	:base_core :base_mem :base_orig :base_math :base_loop
		3182	grepstart grepwhile mapstart mapwhile
		3183	sort time
		3184	));
2553		3185
2554	# here we export the classes and methods available to script code	3186	# here we export the classes and methods available to script code
2555		3187
2556	=pod	3188	=pod
2557		3189
2558	The following functions and methods are available within a safe environment:	3190	The following functions and methods are available within a safe environment:
2559		3191
2560	cf::object contr pay_amount pay_player map	3192	cf::object
		3193	contr pay_amount pay_player map x y force_find force_add destroy
		3194	insert remove name archname title slaying race decrease split
		3195	value
		3196
2561	cf::object::player player	3197	cf::object::player
2562	cf::player peaceful	3198	player
2563	cf::map trigger	3199
		3200	cf::player
		3201	peaceful
		3202
		3203	cf::map
		3204	trigger
2564		3205
2565	=cut	3206	=cut
2566		3207
2567	for (	3208	for (
2568	["cf::object" => qw(contr pay_amount pay_player map)],	3209	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3210	insert remove inv nrof name archname title slaying race
		3211	decrease split destroy change_exp value msg lore send_msg)],
2569	["cf::object::player" => qw(player)],	3212	["cf::object::player" => qw(player)],
2570	["cf::player" => qw(peaceful)],	3213	["cf::player" => qw(peaceful send_msg)],
2571	["cf::map" => qw(trigger)],	3214	["cf::map" => qw(trigger)],
2572	) {	3215	) {
2573	no strict 'refs';	3216	no strict 'refs';
2574	my ($pkg, @funs) = @$_;	3217	my ($pkg, @funs) = @$_;
2575	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3218	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2593		3236
2594	my $qcode = $code;	3237	my $qcode = $code;
2595	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3238	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2596	$qcode =~ s/\n/\\n/g;	3239	$qcode =~ s/\n/\\n/g;
2597		3240
		3241	%vars = (_dummy => 0) unless %vars;
		3242
		3243	my @res;
2598	local $_;	3244	local $_;
2599	local @safe::cf::_safe_eval_args = values %vars;
2600		3245
2601	my $eval =	3246	my $eval =
2602	"do {\n"	3247	"do {\n"
2603	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3248	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2604	. "#line 0 \"{$qcode}\"\n"	3249	. "#line 0 \"{$qcode}\"\n"
2605	. $code	3250	. $code
2606	. "\n}"	3251	. "\n}"
2607	;	3252	;
2608		3253
		3254	if ($CFG{safe_eval}) {
2609	sub_generation_inc;	3255	sub_generation_inc;
		3256	local @safe::cf::_safe_eval_args = values %vars;
2610	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3257	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2611	sub_generation_inc;	3258	sub_generation_inc;
		3259	} else {
		3260	local @cf::_safe_eval_args = values %vars;
		3261	@res = wantarray ? eval eval : scalar eval $eval;
		3262	}
2612		3263
2613	if ($@) {	3264	if ($@) {
2614	warn "$@";	3265	warn "$@";
2615	warn "while executing safe code '$code'\n";	3266	warn "while executing safe code '$code'\n";
2616	warn "with arguments " . (join " ", %vars) . "\n";	3267	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2635	=cut	3286	=cut
2636		3287
2637	sub register_script_function {	3288	sub register_script_function {
2638	my ($fun, $cb) = @_;	3289	my ($fun, $cb) = @_;
2639		3290
2640	no strict 'refs';	3291	$fun = "safe::$fun" if $CFG{safe_eval};
2641	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3292	*$fun = $safe_hole->wrap ($cb);
2642	}	3293	}
2643		3294
2644	=back	3295	=back
2645		3296
2646	=cut	3297	=cut
…		…
2648	#############################################################################	3299	#############################################################################
2649	# the server's init and main functions	3300	# the server's init and main functions
2650		3301
2651	sub load_facedata($) {	3302	sub load_facedata($) {
2652	my ($path) = @_;	3303	my ($path) = @_;
		3304
		3305	# HACK to clear player env face cache, we need some signal framework
		3306	# for this (global event?)
		3307	%ext::player_env::MUSIC_FACE_CACHE = ();
		3308
		3309	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2653		3310
2654	warn "loading facedata from $path\n";	3311	warn "loading facedata from $path\n";
2655		3312
2656	my $facedata;	3313	my $facedata;
2657	0 < aio_load $path, $facedata	3314	0 < aio_load $path, $facedata
…		…
2660	$facedata = Coro::Storable::thaw $facedata;	3317	$facedata = Coro::Storable::thaw $facedata;
2661		3318
2662	$facedata->{version} == 2	3319	$facedata->{version} == 2
2663	or cf::cleanup "$path: version mismatch, cannot proceed.";	3320	or cf::cleanup "$path: version mismatch, cannot proceed.";
2664		3321
		3322	# patch in the exptable
		3323	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3324	$facedata->{resource}{"res/exp_table"} = {
		3325	type => FT_RSRC,
		3326	data => $exp_table,
		3327	hash => (Digest::MD5::md5 $exp_table),
		3328	};
		3329	cf::cede_to_tick;
		3330
2665	{	3331	{
2666	my $faces = $facedata->{faceinfo};	3332	my $faces = $facedata->{faceinfo};
2667		3333
2668	while (my ($face, $info) = each %$faces) {	3334	while (my ($face, $info) = each %$faces) {
2669	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3335	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3336
2670	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3337	cf::face::set_visibility $idx, $info->{visibility};
		3338	cf::face::set_magicmap $idx, $info->{magicmap};
2671	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3339	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2672	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3340	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2673	Coro::cede;	3341
		3342	cf::cede_to_tick;
2674	}	3343	}
2675		3344
2676	while (my ($face, $info) = each %$faces) {	3345	while (my ($face, $info) = each %$faces) {
2677	next unless $info->{smooth};	3346	next unless $info->{smooth};
		3347
2678	my $idx = cf::face::find $face	3348	my $idx = cf::face::find $face
2679	or next;	3349	or next;
		3350
2680	if (my $smooth = cf::face::find $info->{smooth}) {	3351	if (my $smooth = cf::face::find $info->{smooth}) {
		3352	cf::face::set_smooth $idx, $smooth;
2681	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3353	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2682	} else {	3354	} else {
2683	warn "smooth face '$info->{smooth}' not found for face '$face'";	3355	warn "smooth face '$info->{smooth}' not found for face '$face'";
2684	}	3356	}
2685	Coro::cede;	3357
		3358	cf::cede_to_tick;
2686	}	3359	}
2687	}	3360	}
2688		3361
2689	{	3362	{
2690	my $anims = $facedata->{animinfo};	3363	my $anims = $facedata->{animinfo};
2691		3364
2692	while (my ($anim, $info) = each %$anims) {	3365	while (my ($anim, $info) = each %$anims) {
2693	cf::anim::set $anim, $info->{frames}, $info->{facings};	3366	cf::anim::set $anim, $info->{frames}, $info->{facings};
2694	Coro::cede;	3367	cf::cede_to_tick;
2695	}	3368	}
2696		3369
2697	cf::anim::invalidate_all; # d'oh	3370	cf::anim::invalidate_all; # d'oh
2698	}	3371	}
2699		3372
		3373	{
		3374	my $res = $facedata->{resource};
		3375
		3376	while (my ($name, $info) = each %$res) {
		3377	if (defined $info->{type}) {
		3378	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3379
		3380	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3381	cf::face::set_type $idx, $info->{type};
		3382	} else {
		3383	$RESOURCE{$name} = $info;
		3384	}
		3385
		3386	cf::cede_to_tick;
		3387	}
		3388	}
		3389
		3390	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3391
2700	1	3392	1
2701	}	3393	}
2702		3394
		3395	cf::global->attach (on_resource_update => sub {
		3396	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3397	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3398
		3399	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3400	my $sound = $soundconf->{compat}[$_]
		3401	or next;
		3402
		3403	my $face = cf::face::find "sound/$sound->[1]";
		3404	cf::sound::set $sound->[0] => $face;
		3405	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3406	}
		3407
		3408	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3409	my $face = cf::face::find "sound/$v";
		3410	cf::sound::set $k => $face;
		3411	}
		3412	}
		3413	});
		3414
		3415	register_exticmd fx_want => sub {
		3416	my ($ns, $want) = @_;
		3417
		3418	while (my ($k, $v) = each %$want) {
		3419	$ns->fx_want ($k, $v);
		3420	}
		3421	};
		3422
		3423	sub load_resource_file($) {
		3424	my $guard = lock_acquire "load_resource_file";
		3425
		3426	my $status = load_resource_file_ $_[0];
		3427	get_slot 0.1, 100;
		3428	cf::arch::commit_load;
		3429
		3430	$status
		3431	}
		3432
2703	sub reload_regions {	3433	sub reload_regions {
		3434	# HACK to clear player env face cache, we need some signal framework
		3435	# for this (global event?)
		3436	%ext::player_env::MUSIC_FACE_CACHE = ();
		3437
2704	load_resource_file "$MAPDIR/regions"	3438	load_resource_file "$MAPDIR/regions"
2705	or die "unable to load regions file\n";	3439	or die "unable to load regions file\n";
		3440
		3441	for (cf::region::list) {
		3442	$_->{match} = qr/$_->{match}/
		3443	if exists $_->{match};
		3444	}
2706	}	3445	}
2707		3446
2708	sub reload_facedata {	3447	sub reload_facedata {
2709	load_facedata "$DATADIR/facedata"	3448	load_facedata "$DATADIR/facedata"
2710	or die "unable to load facedata\n";	3449	or die "unable to load facedata\n";
…		…
2721	}	3460	}
2722		3461
2723	sub reload_resources {	3462	sub reload_resources {
2724	warn "reloading resource files...\n";	3463	warn "reloading resource files...\n";
2725		3464
		3465	reload_facedata;
		3466	reload_archetypes;
2726	reload_regions;	3467	reload_regions;
2727	reload_facedata;
2728	#reload_archetypes;#d#
2729	reload_archetypes;
2730	reload_treasures;	3468	reload_treasures;
2731		3469
2732	warn "finished reloading resource files\n";	3470	warn "finished reloading resource files\n";
2733	}	3471	}
2734		3472
2735	sub init {	3473	sub reload_config {
2736	reload_resources;	3474	warn "reloading config file...\n";
2737	}
2738		3475
2739	sub cfg_load {
2740	open my $fh, "<:utf8", "$CONFDIR/config"	3476	open my $fh, "<:utf8", "$CONFDIR/config"
2741	or return;	3477	or return;
2742		3478
2743	local $/;	3479	local $/;
2744	*CFG = YAML::Syck::Load <$fh>;	3480	*CFG = YAML::XS::Load scalar <$fh>;
2745		3481
2746	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3482	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2747		3483
2748	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3484	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2749	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3485	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2753	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3489	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2754	and die "WARNING: m(un)lockall failed: $!\n";	3490	and die "WARNING: m(un)lockall failed: $!\n";
2755	};	3491	};
2756	warn $@ if $@;	3492	warn $@ if $@;
2757	}	3493	}
		3494
		3495	warn "finished reloading resource files\n";
		3496	}
		3497
		3498	sub pidfile() {
		3499	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3500	or die "$PIDFILE: $!";
		3501	flock $fh, &Fcntl::LOCK_EX
		3502	or die "$PIDFILE: flock: $!";
		3503	$fh
		3504	}
		3505
		3506	# make sure only one server instance is running at any one time
		3507	sub atomic {
		3508	my $fh = pidfile;
		3509
		3510	my $pid = <$fh>;
		3511	kill 9, $pid if $pid > 0;
		3512
		3513	seek $fh, 0, 0;
		3514	print $fh $$;
		3515	}
		3516
		3517	sub main_loop {
		3518	warn "EV::loop starting\n";
		3519	if (1) {
		3520	EV::loop;
		3521	}
		3522	warn "EV::loop returned\n";
		3523	goto &main_loop unless $REALLY_UNLOOP;
2758	}	3524	}
2759		3525
2760	sub main {	3526	sub main {
		3527	cf::init_globals; # initialise logging
		3528
		3529	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3530	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3531	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3532	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3533
		3534	cf::init_experience;
		3535	cf::init_anim;
		3536	cf::init_attackmess;
		3537	cf::init_dynamic;
		3538
		3539	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3540
2761	# we must not ever block the main coroutine	3541	# we must not ever block the main coroutine
2762	local $Coro::idle = sub {	3542	local $Coro::idle = sub {
2763	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3543	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2764	(async {	3544	(async {
2765	Event::one_event;	3545	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3546	EV::loop EV::LOOP_ONESHOT;
2766	})->prio (Coro::PRIO_MAX);	3547	})->prio (Coro::PRIO_MAX);
2767	};	3548	};
2768		3549
2769	cfg_load;	3550	evthread_start IO::AIO::poll_fileno;
		3551
		3552	cf::sync_job {
		3553	cf::load_settings;
		3554	cf::load_materials;
		3555
		3556	reload_resources;
		3557	reload_config;
2770	db_init;	3558	db_init;
		3559
		3560	cf::init_uuid;
		3561	cf::init_signals;
		3562	cf::init_skills;
		3563
		3564	cf::init_beforeplay;
		3565
		3566	atomic;
		3567
2771	load_extensions;	3568	load_extensions;
2772		3569
2773	$TICK_WATCHER->start;	3570	utime time, time, $RUNTIMEFILE;
2774	Event::loop;	3571
		3572	# no (long-running) fork's whatsoever before this point(!)
		3573	use POSIX ();
		3574	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3575
		3576	(pop @POST_INIT)->(0) while @POST_INIT;
		3577	};
		3578
		3579	main_loop;
2775	}	3580	}
2776		3581
2777	#############################################################################	3582	#############################################################################
2778	# initialisation and cleanup	3583	# initialisation and cleanup
2779		3584
2780	# install some emergency cleanup handlers	3585	# install some emergency cleanup handlers
2781	BEGIN {	3586	BEGIN {
		3587	our %SIGWATCHER = ();
2782	for my $signal (qw(INT HUP TERM)) {	3588	for my $signal (qw(INT HUP TERM)) {
2783	Event->signal (	3589	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2784	reentrant => 0,
2785	data => WF_AUTOCANCEL,
2786	signal => $signal,
2787	prio => 0,
2788	cb => sub {
2789	cf::cleanup "SIG$signal";	3590	cf::cleanup "SIG$signal";
2790	},
2791	);	3591	};
2792	}	3592	}
2793	}	3593	}
2794		3594
2795	sub write_runtime {	3595	sub write_runtime_sync {
2796	my $runtime = "$LOCALDIR/runtime";	3596	my $t0 = EV::time;
2797		3597
2798	# first touch the runtime file to show we are still running:	3598	# first touch the runtime file to show we are still running:
2799	# the fsync below can take a very very long time.	3599	# the fsync below can take a very very long time.
2800		3600
2801	IO::AIO::aio_utime $runtime, undef, undef;	3601	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2802		3602
2803	my $guard = cf::lock_acquire "write_runtime";	3603	my $guard = cf::lock_acquire "write_runtime";
2804		3604
2805	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3605	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2806	or return;	3606	or return;
2807		3607
2808	my $value = $cf::RUNTIME + 90 + 10;	3608	my $value = $cf::RUNTIME + 90 + 10;
2809	# 10 is the runtime save interval, for a monotonic clock	3609	# 10 is the runtime save interval, for a monotonic clock
2810	# 60 allows for the watchdog to kill the server.	3610	# 60 allows for the watchdog to kill the server.
…		…
2820	aio_utime $fh, undef, undef;	3620	aio_utime $fh, undef, undef;
2821		3621
2822	close $fh	3622	close $fh
2823	or return;	3623	or return;
2824		3624
2825	aio_rename "$runtime~", $runtime	3625	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2826	and return;	3626	and return;
2827		3627
2828	warn "runtime file written.\n";	3628	warn sprintf "runtime file written (%gs).\n", EV::time - $t0;
2829		3629
2830	1	3630	1
		3631	}
		3632
		3633	our $uuid_lock;
		3634	our $uuid_skip;
		3635
		3636	sub write_uuid_sync($) {
		3637	$uuid_skip ||= $_[0];
		3638
		3639	return if $uuid_lock;
		3640	local $uuid_lock = 1;
		3641
		3642	my $uuid = "$LOCALDIR/uuid";
		3643
		3644	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3645	or return;
		3646
		3647	my $value = uuid_seq uuid_cur;
		3648
		3649	unless ($value) {
		3650	warn "cowardly refusing to write zero uuid value!\n";
		3651	return;
		3652	}
		3653
		3654	my $value = uuid_str $value + $uuid_skip;
		3655	$uuid_skip = 0;
		3656
		3657	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3658	and return;
		3659
		3660	# always fsync - this file is important
		3661	aio_fsync $fh
		3662	and return;
		3663
		3664	close $fh
		3665	or return;
		3666
		3667	aio_rename "$uuid~", $uuid
		3668	and return;
		3669
		3670	warn "uuid file written ($value).\n";
		3671
		3672	1
		3673
		3674	}
		3675
		3676	sub write_uuid($$) {
		3677	my ($skip, $sync) = @_;
		3678
		3679	$sync ? write_uuid_sync $skip
		3680	: async { write_uuid_sync $skip };
2831	}	3681	}
2832		3682
2833	sub emergency_save() {	3683	sub emergency_save() {
2834	my $freeze_guard = cf::freeze_mainloop;	3684	my $freeze_guard = cf::freeze_mainloop;
2835		3685
2836	warn "enter emergency perl save\n";	3686	warn "emergency_perl_save: enter\n";
2837		3687
2838	cf::sync_job {	3688	cf::sync_job {
		3689	# this is a trade-off: we want to be very quick here, so
		3690	# save all maps without fsync, and later call a global sync
		3691	# (which in turn might be very very slow)
		3692	local $USE_FSYNC = 0;
		3693
2839	# use a peculiar iteration method to avoid tripping on perl	3694	# use a peculiar iteration method to avoid tripping on perl
2840	# refcount bugs in for. also avoids problems with players	3695	# refcount bugs in for. also avoids problems with players
2841	# and maps saved/destroyed asynchronously.	3696	# and maps saved/destroyed asynchronously.
2842	warn "begin emergency player save\n";	3697	warn "emergency_perl_save: begin player save\n";
2843	for my $login (keys %cf::PLAYER) {	3698	for my $login (keys %cf::PLAYER) {
2844	my $pl = $cf::PLAYER{$login} or next;	3699	my $pl = $cf::PLAYER{$login} or next;
2845	$pl->valid or next;	3700	$pl->valid or next;
		3701	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2846	$pl->save;	3702	$pl->save;
2847	}	3703	}
2848	warn "end emergency player save\n";	3704	warn "emergency_perl_save: end player save\n";
2849		3705
2850	warn "begin emergency map save\n";	3706	warn "emergency_perl_save: begin map save\n";
2851	for my $path (keys %cf::MAP) {	3707	for my $path (keys %cf::MAP) {
2852	my $map = $cf::MAP{$path} or next;	3708	my $map = $cf::MAP{$path} or next;
2853	$map->valid or next;	3709	$map->valid or next;
2854	$map->save;	3710	$map->save;
2855	}	3711	}
2856	warn "end emergency map save\n";	3712	warn "emergency_perl_save: end map save\n";
2857		3713
2858	warn "begin emergency database checkpoint\n";	3714	warn "emergency_perl_save: begin database checkpoint\n";
2859	BDB::db_env_txn_checkpoint $DB_ENV;	3715	BDB::db_env_txn_checkpoint $DB_ENV;
2860	warn "end emergency database checkpoint\n";	3716	warn "emergency_perl_save: end database checkpoint\n";
		3717
		3718	warn "emergency_perl_save: begin write uuid\n";
		3719	write_uuid_sync 1;
		3720	warn "emergency_perl_save: end write uuid\n";
2861	};	3721	};
2862		3722
		3723	warn "emergency_perl_save: starting sync()\n";
		3724	IO::AIO::aio_sync sub {
		3725	warn "emergency_perl_save: finished sync()\n";
		3726	};
		3727
2863	warn "leave emergency perl save\n";	3728	warn "emergency_perl_save: leave\n";
2864	}	3729	}
2865		3730
2866	sub post_cleanup {	3731	sub post_cleanup {
2867	my ($make_core) = @_;	3732	my ($make_core) = @_;
2868		3733
2869	warn Carp::longmess "post_cleanup backtrace"	3734	warn Carp::longmess "post_cleanup backtrace"
2870	if $make_core;	3735	if $make_core;
		3736
		3737	my $fh = pidfile;
		3738	unlink $PIDFILE if <$fh> == $$;
		3739	}
		3740
		3741	# a safer delete_package, copied from Symbol
		3742	sub clear_package($) {
		3743	my $pkg = shift;
		3744
		3745	# expand to full symbol table name if needed
		3746	unless ($pkg =~ /^main::.*::$/) {
		3747	$pkg = "main$pkg" if $pkg =~ /^::/;
		3748	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3749	$pkg .= '::' unless $pkg =~ /::$/;
		3750	}
		3751
		3752	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3753	my $stem_symtab = *{$stem}{HASH};
		3754
		3755	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3756	or return;
		3757
		3758	# clear all symbols
		3759	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3760	for my $name (keys %$leaf_symtab) {
		3761	_gv_clear *{"$pkg$name"};
		3762	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3763	}
		3764	warn "cleared package $pkg\n";#d#
2871	}	3765	}
2872		3766
2873	sub do_reload_perl() {	3767	sub do_reload_perl() {
2874	# can/must only be called in main	3768	# can/must only be called in main
2875	if ($Coro::current != $Coro::main) {	3769	if ($Coro::current != $Coro::main) {
2876	warn "can only reload from main coroutine";	3770	warn "can only reload from main coroutine";
2877	return;	3771	return;
2878	}	3772	}
2879		3773
		3774	return if $RELOAD++;
		3775
		3776	my $t1 = EV::time;
		3777
		3778	while ($RELOAD) {
2880	warn "reloading...";	3779	warn "reloading...";
2881		3780
2882	warn "entering sync_job";	3781	warn "entering sync_job";
2883		3782
2884	cf::sync_job {	3783	cf::sync_job {
2885	cf::write_runtime; # external watchdog should not bark	3784	cf::write_runtime_sync; # external watchdog should not bark
2886	cf::emergency_save;	3785	cf::emergency_save;
2887	cf::write_runtime; # external watchdog should not bark	3786	cf::write_runtime_sync; # external watchdog should not bark
2888		3787
2889	warn "syncing database to disk";	3788	warn "syncing database to disk";
2890	BDB::db_env_txn_checkpoint $DB_ENV;	3789	BDB::db_env_txn_checkpoint $DB_ENV;
2891		3790
2892	# if anything goes wrong in here, we should simply crash as we already saved	3791	# if anything goes wrong in here, we should simply crash as we already saved
2893		3792
2894	warn "cancelling all WF_AUTOCANCEL watchers";
2895	for (Event::all_watchers) {
2896	$_->cancel if $_->data & WF_AUTOCANCEL;
2897	}
2898
2899	warn "flushing outstanding aio requests";	3793	warn "flushing outstanding aio requests";
2900	for (;;) {
2901	BDB::flush;
2902	IO::AIO::flush;
2903	Coro::cede;
2904	last unless IO::AIO::nreqs || BDB::nreqs;	3794	while (IO::AIO::nreqs || BDB::nreqs) {
2905	warn "iterate...";	3795	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2906	}
2907
2908	++$RELOAD;
2909
2910	warn "cancelling all extension coros";
2911	$_->cancel for values %EXT_CORO;
2912	%EXT_CORO = ();
2913
2914	warn "removing commands";
2915	%COMMAND = ();
2916
2917	warn "removing ext/exti commands";
2918	%EXTCMD = ();
2919	%EXTICMD = ();
2920
2921	warn "unloading/nuking all extensions";
2922	for my $pkg (@EXTS) {
2923	warn "... unloading $pkg";
2924
2925	if (my $cb = $pkg->can ("unload")) {
2926	eval {
2927	$cb->($pkg);
2928	1
2929	} or warn "$pkg unloaded, but with errors: $@";
2930	}	3796	}
2931		3797
2932	warn "... nuking $pkg";	3798	warn "cancelling all extension coros";
2933	Symbol::delete_package $pkg;	3799	$_->cancel for values %EXT_CORO;
2934	}	3800	%EXT_CORO = ();
2935		3801
2936	warn "unloading all perl modules loaded from $LIBDIR";	3802	warn "removing commands";
2937	while (my ($k, $v) = each %INC) {	3803	%COMMAND = ();
2938	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2939		3804
		3805	warn "removing ext/exti commands";
		3806	%EXTCMD = ();
		3807	%EXTICMD = ();
		3808
		3809	warn "unloading/nuking all extensions";
		3810	for my $pkg (@EXTS) {
2940	warn "... unloading $k";	3811	warn "... unloading $pkg";
2941	delete $INC{$k};
2942		3812
2943	$k =~ s/\.pm$//;
2944	$k =~ s/\//::/g;
2945
2946	if (my $cb = $k->can ("unload_module")) {	3813	if (my $cb = $pkg->can ("unload")) {
		3814	eval {
2947	$cb->();	3815	$cb->($pkg);
		3816	1
		3817	} or warn "$pkg unloaded, but with errors: $@";
		3818	}
		3819
		3820	warn "... clearing $pkg";
		3821	clear_package $pkg;
2948	}	3822	}
2949		3823
2950	Symbol::delete_package $k;	3824	warn "unloading all perl modules loaded from $LIBDIR";
		3825	while (my ($k, $v) = each %INC) {
		3826	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3827
		3828	warn "... unloading $k";
		3829	delete $INC{$k};
		3830
		3831	$k =~ s/\.pm$//;
		3832	$k =~ s/\//::/g;
		3833
		3834	if (my $cb = $k->can ("unload_module")) {
		3835	$cb->();
		3836	}
		3837
		3838	clear_package $k;
2951	}	3839	}
2952		3840
2953	warn "getting rid of safe::, as good as possible";	3841	warn "getting rid of safe::, as good as possible";
2954	Symbol::delete_package "safe::$_"	3842	clear_package "safe::$_"
2955	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3843	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2956		3844
2957	warn "unloading cf.pm \"a bit\"";	3845	warn "unloading cf.pm \"a bit\"";
2958	delete $INC{"cf.pm"};	3846	delete $INC{"cf.pm"};
2959	delete $INC{"cf/pod.pm"};	3847	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2960		3848
2961	# don't, removes xs symbols, too,	3849	# don't, removes xs symbols, too,
2962	# and global variables created in xs	3850	# and global variables created in xs
2963	#Symbol::delete_package __PACKAGE__;	3851	#clear_package __PACKAGE__;
2964		3852
2965	warn "unload completed, starting to reload now";	3853	warn "unload completed, starting to reload now";
2966		3854
2967	warn "reloading cf.pm";	3855	warn "reloading cf.pm";
2968	require cf;	3856	require cf;
2969	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3857	cf::_connect_to_perl_1;
2970		3858
2971	warn "loading config and database again";	3859	warn "loading config and database again";
2972	cf::cfg_load;	3860	cf::reload_config;
2973		3861
2974	warn "loading extensions";	3862	warn "loading extensions";
2975	cf::load_extensions;	3863	cf::load_extensions;
2976		3864
		3865	if ($REATTACH_ON_RELOAD) {
2977	warn "reattaching attachments to objects/players";	3866	warn "reattaching attachments to objects/players";
2978	_global_reattach; # objects, sockets	3867	_global_reattach; # objects, sockets
2979	warn "reattaching attachments to maps";	3868	warn "reattaching attachments to maps";
2980	reattach $_ for values %MAP;	3869	reattach $_ for values %MAP;
2981	warn "reattaching attachments to players";	3870	warn "reattaching attachments to players";
2982	reattach $_ for values %PLAYER;	3871	reattach $_ for values %PLAYER;
		3872	}
2983		3873
		3874	warn "running post_init jobs";
		3875	(pop @POST_INIT)->(1) while @POST_INIT;
		3876
2984	warn "leaving sync_job";	3877	warn "leaving sync_job";
2985		3878
2986	1	3879	1
2987	} or do {	3880	} or do {
2988	warn $@;	3881	warn $@;
2989	warn "error while reloading, exiting.";	3882	cf::cleanup "error while reloading, exiting.";
2990	exit 1;
2991	};	3883	};
2992		3884
2993	warn "reloaded";	3885	warn "reloaded";
		3886	--$RELOAD;
		3887	}
		3888
		3889	$t1 = EV::time - $t1;
		3890	warn "reload completed in ${t1}s\n";
2994	};	3891	};
2995		3892
2996	our $RELOAD_WATCHER; # used only during reload	3893	our $RELOAD_WATCHER; # used only during reload
2997		3894
2998	sub reload_perl() {	3895	sub reload_perl() {
2999	# doing reload synchronously and two reloads happen back-to-back,	3896	# doing reload synchronously and two reloads happen back-to-back,
3000	# coro crashes during coro_state_free->destroy here.	3897	# coro crashes during coro_state_free->destroy here.
3001		3898
3002	$RELOAD_WATCHER ||= Event->timer (	3899	$RELOAD_WATCHER ||= cf::async {
3003	reentrant => 0,	3900	Coro::AIO::aio_wait cache_extensions;
3004	after => 0,	3901
3005	data => WF_AUTOCANCEL,	3902	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3006	cb => sub {
3007	do_reload_perl;	3903	do_reload_perl;
3008	undef $RELOAD_WATCHER;	3904	undef $RELOAD_WATCHER;
3009	},	3905	};
3010	);	3906	};
3011	}	3907	}
3012		3908
3013	register_command "reload" => sub {	3909	register_command "reload" => sub {
3014	my ($who, $arg) = @_;	3910	my ($who, $arg) = @_;
3015		3911
3016	if ($who->flag (FLAG_WIZ)) {	3912	if ($who->flag (FLAG_WIZ)) {
3017	$who->message ("reloading server.");	3913	$who->message ("reloading server.");
		3914	async {
		3915	$Coro::current->{desc} = "perl_reload";
3018	async { reload_perl };	3916	reload_perl;
		3917	};
3019	}	3918	}
3020	};	3919	};
3021		3920
3022	unshift @INC, $LIBDIR;	3921	unshift @INC, $LIBDIR;
3023		3922
…		…
3025		3924
3026	our @WAIT_FOR_TICK;	3925	our @WAIT_FOR_TICK;
3027	our @WAIT_FOR_TICK_BEGIN;	3926	our @WAIT_FOR_TICK_BEGIN;
3028		3927
3029	sub wait_for_tick {	3928	sub wait_for_tick {
3030	return unless $TICK_WATCHER->is_active;
3031	return if $Coro::current == $Coro::main;	3929	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3032		3930
3033	my $signal = new Coro::Signal;	3931	my $signal = new Coro::Signal;
3034	push @WAIT_FOR_TICK, $signal;	3932	push @WAIT_FOR_TICK, $signal;
3035	$signal->wait;	3933	$signal->wait;
3036	}	3934	}
3037		3935
3038	sub wait_for_tick_begin {	3936	sub wait_for_tick_begin {
3039	return unless $TICK_WATCHER->is_active;
3040	return if $Coro::current == $Coro::main;	3937	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3041		3938
3042	my $signal = new Coro::Signal;	3939	my $signal = new Coro::Signal;
3043	push @WAIT_FOR_TICK_BEGIN, $signal;	3940	push @WAIT_FOR_TICK_BEGIN, $signal;
3044	$signal->wait;	3941	$signal->wait;
3045	}	3942	}
3046		3943
3047	my $min = 1e6;#d#	3944	sub tick {
3048	my $avg = 10;
3049	$TICK_WATCHER = Event->timer (
3050	reentrant => 0,
3051	parked => 1,
3052	prio => 0,
3053	at => $NEXT_TICK || $TICK,
3054	data => WF_AUTOCANCEL,
3055	cb => sub {
3056	if ($Coro::current != $Coro::main) {	3945	if ($Coro::current != $Coro::main) {
3057	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3946	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3058	unless ++$bug_warning > 10;	3947	unless ++$bug_warning > 10;
3059	return;	3948	return;
3060	}	3949	}
3061		3950
3062	$NOW = $tick_start = Event::time;
3063
3064	cf::server_tick; # one server iteration	3951	cf::server_tick; # one server iteration
3065		3952
3066	0 && sync_job {#d#	3953	#for(1..3e6){} EV::now_update; $NOW=EV::now; # generate load #d#
3067	for(1..10) {
3068	my $t = Event::time;
3069	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3070	or die;
3071		3954
3072	$map->width (50);	3955	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3073	$map->height (50);	3956	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3074	$map->alloc;	3957	Coro::async_pool {
3075	$map->_load_objects ("/tmp/x.map", 1);	3958	$Coro::current->{desc} = "runtime saver";
3076	my $t = Event::time - $t;	3959	write_runtime_sync
3077		3960	or warn "ERROR: unable to write runtime file: $!";
3078	#next unless $t < 0.0013;#d#
3079	if ($t < $min) {
3080	$min = $t;
3081	}
3082	$avg = $avg * 0.99 + $t * 0.01;
3083	}
3084	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3085	exit 0;
3086	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3087	};	3961	};
		3962	}
3088		3963
3089	$RUNTIME += $TICK;
3090	$NEXT_TICK += $TICK;
3091
3092	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3093	$NEXT_RUNTIME_WRITE = $NOW + 10;
3094	Coro::async_pool {
3095	write_runtime
3096	or warn "ERROR: unable to write runtime file: $!";
3097	};
3098	}
3099
3100	# my $AFTER = Event::time;
3101	# warn $AFTER - $NOW;#d#
3102
3103	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3964	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3104	$sig->send;	3965	$sig->send;
3105	}	3966	}
3106	while (my $sig = shift @WAIT_FOR_TICK) {	3967	while (my $sig = shift @WAIT_FOR_TICK) {
3107	$sig->send;	3968	$sig->send;
3108	}	3969	}
3109		3970
3110	$NOW = Event::time;	3971	$LOAD = ($NOW - $TICK_START) / $TICK;
3111
3112	# if we are delayed by four ticks or more, skip them all
3113	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3114
3115	$TICK_WATCHER->at ($NEXT_TICK);
3116	$TICK_WATCHER->start;
3117
3118	$LOAD = ($NOW - $tick_start) / $TICK;
3119	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3972	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3120		3973
3121	_post_tick;	3974	if (0) {
3122		3975	if ($NEXT_TICK) {
3123		3976	my $jitter = $TICK_START - $NEXT_TICK;
		3977	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3978	warn "jitter $JITTER\n";#d#
		3979	}
3124	},	3980	}
3125	);	3981	}
3126		3982
3127	{	3983	{
3128	BDB::max_poll_time $TICK * 0.1;	3984	# configure BDB
3129	$BDB_POLL_WATCHER = Event->io (	3985
3130	reentrant => 0,
3131	fd => BDB::poll_fileno,
3132	poll => 'r',
3133	prio => 0,
3134	data => WF_AUTOCANCEL,
3135	cb => \&BDB::poll_cb,
3136	);
3137	BDB::min_parallel 8;	3986	BDB::min_parallel 16;
3138		3987	BDB::max_poll_reqs $TICK * 0.1;
3139	BDB::set_sync_prepare {	3988	$AnyEvent::BDB::WATCHER->priority (1);
3140	my $status;
3141	my $current = $Coro::current;
3142	(
3143	sub {
3144	$status = $!;
3145	$current->ready; undef $current;
3146	},
3147	sub {
3148	Coro::schedule while defined $current;
3149	$! = $status;
3150	},
3151	)
3152	};
3153		3989
3154	unless ($DB_ENV) {	3990	unless ($DB_ENV) {
3155	$DB_ENV = BDB::db_env_create;	3991	$DB_ENV = BDB::db_env_create;
		3992	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3993	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3994	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3995	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3996	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3156		3997
3157	cf::sync_job {	3998	cf::sync_job {
3158	eval {	3999	eval {
3159	BDB::db_env_open	4000	BDB::db_env_open
3160	$DB_ENV,	4001	$DB_ENV,
…		…
3162	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4003	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3163	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4004	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3164	0666;	4005	0666;
3165		4006
3166	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4007	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3167
3168	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3169	$DB_ENV->set_lk_detect;
3170	};	4008	};
3171		4009
3172	cf::cleanup "db_env_open(db): $@" if $@;	4010	cf::cleanup "db_env_open(db): $@" if $@;
3173	};	4011	};
3174	}	4012	}
		4013
		4014	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4015	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4016	};
		4017	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4018	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4019	};
		4020	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4021	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4022	};
3175	}	4023	}
3176		4024
3177	{	4025	{
		4026	# configure IO::AIO
		4027
3178	IO::AIO::min_parallel 8;	4028	IO::AIO::min_parallel 8;
3179
3180	undef $Coro::AIO::WATCHER;
3181	IO::AIO::max_poll_time $TICK * 0.1;	4029	IO::AIO::max_poll_time $TICK * 0.1;
3182	$AIO_POLL_WATCHER = Event->io (	4030	undef $AnyEvent::AIO::WATCHER;
3183	reentrant => 0,
3184	data => WF_AUTOCANCEL,
3185	fd => IO::AIO::poll_fileno,
3186	poll => 'r',
3187	prio => 6,
3188	cb => \&IO::AIO::poll_cb,
3189	);
3190	}	4031	}
3191		4032
3192	my $_log_backtrace;	4033	my $_log_backtrace;
3193		4034
3194	sub _log_backtrace {	4035	sub _log_backtrace {
…		…
3197	$msg =~ s/\n//;	4038	$msg =~ s/\n//;
3198		4039
3199	# limit the # of concurrent backtraces	4040	# limit the # of concurrent backtraces
3200	if ($_log_backtrace < 2) {	4041	if ($_log_backtrace < 2) {
3201	++$_log_backtrace;	4042	++$_log_backtrace;
		4043	my $perl_bt = Carp::longmess $msg;
3202	async {	4044	async {
		4045	$Coro::current->{desc} = "abt $msg";
		4046
3203	my @bt = fork_call {	4047	my @bt = fork_call {
3204	@addr = map { sprintf "%x", $_ } @addr;	4048	@addr = map { sprintf "%x", $_ } @addr;
3205	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4049	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3206	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4050	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3207	or die "addr2line: $!";	4051	or die "addr2line: $!";
…		…
3215	}	4059	}
3216		4060
3217	@funcs	4061	@funcs
3218	};	4062	};
3219		4063
3220	LOG llevInfo, "[ABT] $msg\n";	4064	LOG llevInfo, "[ABT] $perl_bt\n";
		4065	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3221	LOG llevInfo, "[ABT] $_\n" for @bt;	4066	LOG llevInfo, "[ABT] $_\n" for @bt;
3222	--$_log_backtrace;	4067	--$_log_backtrace;
3223	};	4068	};
3224	} else {	4069	} else {
3225	LOG llevInfo, "[ABT] $msg\n";	4070	LOG llevInfo, "[ABT] $msg\n";
3226	LOG llevInfo, "[ABT] [suppressed]\n";	4071	LOG llevInfo, "[ABT] [suppressed]\n";
3227	}	4072	}
3228	}	4073	}
3229		4074
3230	# load additional modules	4075	# load additional modules
3231	use cf::pod;	4076	require "cf/$_.pm" for @EXTRA_MODULES;
		4077	cf::_connect_to_perl_2;
3232		4078
3233	END { cf::emergency_save }	4079	END { cf::emergency_save }
3234		4080
3235	1	4081	1
3236		4082

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines