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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.327 by root, Wed Aug 1 17:22:51 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
25	use JSON::XS 1.4 ();	55	use JSON::XS 2.01 ();
26	use BDB ();	56	use BDB ();
27	use Data::Dumper;	57	use Data::Dumper;
28	use Digest::MD5;
29	use Fcntl;	58	use Fcntl;
30	use YAML::Syck ();	59	use YAML::XS ();
31	use IO::AIO 2.32 ();	60	use IO::AIO ();
32	use Time::HiRes;	61	use Time::HiRes;
33	use Compress::LZF;	62	use Compress::LZF;
34	use Digest::MD5 ();	63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
35		66
36	# configure various modules to our taste	67	# configure various modules to our taste
37	#	68	#
38	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
39	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";
40	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
41		77
42	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
43		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
45	$YAML::Syck::ImplicitUnicode = 1;
46
47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
48		80
49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
50		82
51	our %COMMAND = ();	83	our %COMMAND = ();
52	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
…		…
55	our %EXTCMD = ();	87	our %EXTCMD = ();
56	our %EXTICMD = ();	88	our %EXTICMD = ();
57	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
58	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
59		91
60	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
61	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
62		96
63	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
64	our $DATADIR = datadir;	98	our $DATADIR = datadir;
65	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
66	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
67	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
68	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
73	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE;
74		112
75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	113	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
76	our $TICK_WATCHER;
77	our $AIO_POLL_WATCHER;
78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	114	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79	our $NEXT_TICK;	115	our $NEXT_TICK;
80	our $NOW;
81	our $USE_FSYNC = 1; # use fsync to write maps - default off	116	our $USE_FSYNC = 1; # use fsync to write maps - default on
82		117
		118	our $BDB_DEADLOCK_WATCHER;
		119	our $BDB_CHECKPOINT_WATCHER;
83	our $BDB_POLL_WATCHER;	120	our $BDB_TRICKLE_WATCHER;
84	our $DB_ENV;	121	our $DB_ENV;
		122
		123	our @EXTRA_MODULES = qw(pod match mapscript);
85		124
86	our %CFG;	125	our %CFG;
87		126
88	our $UPTIME; $UPTIME ||= time;	127	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;	128	our $RUNTIME;
		129	our $NOW;
90		130
91	our %PLAYER; # all users	131	our (%PLAYER, %PLAYER_LOADING); # all users
92	our %MAP; # all maps	132	our (%MAP, %MAP_LOADING ); # all maps
93	our $LINK_MAP; # the special {link} map, which is always available	133	our $LINK_MAP; # the special {link} map, which is always available
94		134
95	# 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 ∕
96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	136	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97		137
98	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)
99	our $LOADAVG; # same thing, but with alpha-smoothing	139	our $LOADAVG; # same thing, but with alpha-smoothing
		140	our $JITTER; # average jitter
100	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 $REALLY_UNLOOP; # never set to true, please :)
101		147
102	binmode STDOUT;	148	binmode STDOUT;
103	binmode STDERR;	149	binmode STDERR;
104		150
105	# read virtual server time, if available	151	# read virtual server time, if available
106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	152	unless ($RUNTIME || !-e $RUNTIMEFILE) {
107	open my $fh, "<", "$LOCALDIR/runtime"	153	open my $fh, "<", $RUNTIMEFILE
108	or die "unable to read runtime file: $!";	154	or die "unable to read $RUNTIMEFILE file: $!";
109	$RUNTIME = <$fh> + 0.;	155	$RUNTIME = <$fh> + 0.;
110	}	156	}
		157
		158	eval "sub TICK() { $TICK } 1" or die;
111		159
112	mkdir $_	160	mkdir $_
113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	161	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
114		162
115	our $EMERGENCY_POSITION;	163	our $EMERGENCY_POSITION;
116		164
117	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::"} };
118		177
119	#############################################################################	178	#############################################################################
120		179
121	=head2 GLOBAL VARIABLES	180	=head2 GLOBAL VARIABLES
122		181
…		…
158		217
159	The raw value load value from the last tick.	218	The raw value load value from the last tick.
160		219
161	=item %cf::CFG	220	=item %cf::CFG
162		221
163	Configuration for the server, loaded from C</etc/crossfire/config>, or	222	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164	from wherever your confdir points to.	223	from wherever your confdir points to.
165		224
166	=item cf::wait_for_tick, cf::wait_for_tick_begin	225	=item cf::wait_for_tick, cf::wait_for_tick_begin
167		226
168	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
169	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
170	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.
171		230
172	=item @cf::INVOKE_RESULTS	231	=item @cf::INVOKE_RESULTS
173		232
174	This array contains the results of the last C<invoke ()> call. When	233	This array contains the results of the last C<invoke ()> call. When
175	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	234	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
176	that call.	235	that call.
177		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
178	=back	243	=back
179		244
180	=cut	245	=cut
181		246
182	BEGIN {	247	$Coro::State::WARNHOOK = sub {
183	*CORE::GLOBAL::warn = sub {
184	my $msg = join "", @_;	248	my $msg = join "", @_;
185		249
186	$msg .= "\n"	250	$msg .= "\n"
187	unless $msg =~ /\n$/;	251	unless $msg =~ /\n$/;
188		252
189	$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;
190		254
191	utf8::encode $msg;
192	LOG llevError, $msg;	255	LOG llevError, $msg;
193	};	256	};
194	}	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	};
195		271
196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	272	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	273	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	274	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	275	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
206	for my $pkg (qw(	282	for my $pkg (qw(
207	cf::global cf::attachable	283	cf::global cf::attachable
208	cf::object cf::object::player	284	cf::object cf::object::player
209	cf::client cf::player	285	cf::client cf::player
210	cf::arch cf::living	286	cf::arch cf::living
		287	cf::map cf::mapspace
211	cf::map cf::party cf::region	288	cf::party cf::region
212	)) {	289	)) {
213	no strict 'refs';
214	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	290	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
215	}	291	}
216		292
217	$Event::DIED = sub {	293	$EV::DIED = sub {
218	warn "error in event callback: @_";	294	Carp::cluck "error in event callback: @_";
219	};	295	};
220		296
221	#############################################################################	297	#############################################################################
222		298
223	=head2 UTILITY FUNCTIONS	299	=head2 UTILITY FUNCTIONS
…		…
245	$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;
246	$d	322	$d
247	} || "[unable to dump $_[0]: '$@']";	323	} || "[unable to dump $_[0]: '$@']";
248	}	324	}
249		325
250	=item $ref = cf::from_json $json	326	=item $ref = cf::decode_json $json
251		327
252	Converts a JSON string into the corresponding perl data structure.	328	Converts a JSON string into the corresponding perl data structure.
253		329
254	=item $json = cf::to_json $ref	330	=item $json = cf::encode_json $ref
255		331
256	Converts a perl data structure into its JSON representation.	332	Converts a perl data structure into its JSON representation.
257		333
258	=cut	334	=cut
259		335
260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	336	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
261		337
262	sub to_json ($) { $json_coder->encode ($_[0]) }	338	sub encode_json($) { $json_coder->encode ($_[0]) }
263	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	}
264		354
265	=item cf::lock_wait $string	355	=item cf::lock_wait $string
266		356
267	Wait until the given lock is available. See cf::lock_acquire.	357	Wait until the given lock is available. See cf::lock_acquire.
268		358
269	=item my $lock = cf::lock_acquire $string	359	=item my $lock = cf::lock_acquire $string
270		360
271	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
272	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,
273	for example when the coroutine gets canceled), the lock is automatically	363	for example when the coroutine gets canceled), the lock is automatically
274	returned.	364	returned.
275		365
		366	Locks are *not* recursive, locking from the same coro twice results in a
		367	deadlocked coro.
		368
276	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
277	uses map_find and cf::map::load uses map_load).	370	uses map_find and cf::map::load uses map_load).
278		371
279	=item $locked = cf::lock_active $string	372	=item $locked = cf::lock_active $string
280		373
281	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.
282		375
283	=cut	376	=cut
284		377
285	our %LOCK;	378	our $LOCKS = new Coro::SemaphoreSet;
286		379
287	sub lock_wait($) {	380	sub lock_wait($) {
288	my ($key) = @_;	381	$LOCKS->wait ($_[0]);
289
290	# wait for lock, if any
291	while ($LOCK{$key}) {
292	push @{ $LOCK{$key} }, $Coro::current;
293	Coro::schedule;
294	}
295	}	382	}
296		383
297	sub lock_acquire($) {	384	sub lock_acquire($) {
298	my ($key) = @_;	385	$LOCKS->guard ($_[0])
299
300	# wait, to be sure we are not locked
301	lock_wait $key;
302
303	$LOCK{$key} = [];
304
305	Coro::guard {
306	# wake up all waiters, to be on the safe side
307	$_->ready for @{ delete $LOCK{$key} };
308	}
309	}	386	}
310		387
311	sub lock_active($) {	388	sub lock_active($) {
312	my ($key) = @_;	389	$LOCKS->count ($_[0]) < 1
313
314	! ! $LOCK{$key}
315	}	390	}
316		391
317	sub freeze_mainloop {	392	sub freeze_mainloop {
318	return unless $TICK_WATCHER->is_active;	393	tick_inhibit_inc;
319		394
320	my $guard = Coro::guard {	395	&Guard::guard (\&tick_inhibit_dec);
321	$TICK_WATCHER->start;	396	}
322	};	397
323	$TICK_WATCHER->stop;	398	=item cf::periodic $interval, $cb
324	$guard	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($$) {
		406	my ($interval, $cb) = @_;
		407
		408	my $start = rand List::Util::min 180, $interval;
		409
		410	EV::periodic $start, $interval, 0, $cb
325	}	411	}
326		412
327	=item cf::get_slot $time[, $priority[, $name]]	413	=item cf::get_slot $time[, $priority[, $name]]
328		414
329	Allocate $time seconds of blocking CPU time at priority C<$priority>:	415	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
337		423
338	=cut	424	=cut
339		425
340	our @SLOT_QUEUE;	426	our @SLOT_QUEUE;
341	our $SLOT_QUEUE;	427	our $SLOT_QUEUE;
		428	our $SLOT_DECAY = 0.9;
342		429
343	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	430	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
344	$SLOT_QUEUE = Coro::async {	431	$SLOT_QUEUE = Coro::async {
		432	$Coro::current->desc ("timeslot manager");
		433
345	my $signal = new Coro::Signal;	434	my $signal = new Coro::Signal;
		435	my $busy;
346		436
347	while () {	437	while () {
348	next_job:	438	next_job:
		439
349	my $avail = cf::till_tick;	440	my $avail = cf::till_tick;
350	if ($avail > 0.01) {	441
351	for (0 .. $#SLOT_QUEUE) {	442	for (0 .. $#SLOT_QUEUE) {
352	if ($SLOT_QUEUE[$_][0] < $avail) {	443	if ($SLOT_QUEUE[$_][0] <= $avail) {
		444	$busy = 0;
353	my $job = splice @SLOT_QUEUE, $_, 1, ();	445	my $job = splice @SLOT_QUEUE, $_, 1, ();
354	$job->[2]->send;	446	$job->[2]->send;
355	Coro::cede;	447	Coro::cede;
356	goto next_job;	448	goto next_job;
357	}	449	} else {
		450	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
358	}	451	}
359	}	452	}
360		453
361	if (@SLOT_QUEUE) {	454	if (@SLOT_QUEUE) {
362	# we do not use wait_For_tick() as it returns immediately when tick is inactive	455	# we do not use wait_for_tick() as it returns immediately when tick is inactive
363	push @cf::WAIT_FOR_TICK, $signal;	456	push @cf::WAIT_FOR_TICK, $signal;
364	$signal->wait;	457	$signal->wait;
365	} else {	458	} else {
		459	$busy = 0;
366	Coro::schedule;	460	Coro::schedule;
367	}	461	}
368	}	462	}
369	};	463	};
370		464
371	sub get_slot($;$$) {	465	sub get_slot($;$$) {
		466	return if tick_inhibit || $Coro::current == $Coro::main;
		467
372	my ($time, $pri, $name) = @_;	468	my ($time, $pri, $name) = @_;
373		469
374	$time = $TICK * .6 if $time > $TICK * .6;	470	$time = clamp $time, 0.01, $TICK * .6;
		471
375	my $sig = new Coro::Signal;	472	my $sig = new Coro::Signal;
376		473
377	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	474	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
378	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	475	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
379	$SLOT_QUEUE->ready;	476	$SLOT_QUEUE->ready;
…		…
390		487
391	BEGIN { *async = \&Coro::async_pool }	488	BEGIN { *async = \&Coro::async_pool }
392		489
393	=item cf::sync_job { BLOCK }	490	=item cf::sync_job { BLOCK }
394		491
395	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	492	The design of Deliantra requires that the main coroutine ($Coro::main)
396	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
397	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
398	acceptable.	495	acceptable.
399		496
400	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
401	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
…		…
406		503
407	sub sync_job(&) {	504	sub sync_job(&) {
408	my ($job) = @_;	505	my ($job) = @_;
409		506
410	if ($Coro::current == $Coro::main) {	507	if ($Coro::current == $Coro::main) {
411	my $time = Event::time;	508	my $time = EV::time;
412		509
413	# this is the main coro, too bad, we have to block	510	# this is the main coro, too bad, we have to block
414	# till the operation succeeds, freezing the server :/	511	# till the operation succeeds, freezing the server :/
415		512
416	# TODO: use suspend/resume instead	513	LOG llevError, Carp::longmess "sync job";#d#
417	# (but this is cancel-safe)	514
418	my $freeze_guard = freeze_mainloop;	515	my $freeze_guard = freeze_mainloop;
419		516
420	my $busy = 1;	517	my $busy = 1;
421	my @res;	518	my @res;
422		519
423	(async {	520	(async {
		521	$Coro::current->desc ("sync job coro");
424	@res = eval { $job->() };	522	@res = eval { $job->() };
425	warn $@ if $@;	523	warn $@ if $@;
426	undef $busy;	524	undef $busy;
427	})->prio (Coro::PRIO_MAX);	525	})->prio (Coro::PRIO_MAX);
428		526
429	while ($busy) {	527	while ($busy) {
430	Coro::cede or Event::one_event;	528	if (Coro::nready) {
		529	Coro::cede_notself;
		530	} else {
		531	EV::loop EV::LOOP_ONESHOT;
431	}	532	}
		533	}
432		534
433	$time = Event::time - $time;	535	my $time = EV::time - $time;
434		536
435	LOG llevError | logBacktrace, Carp::longmess "long sync job"
436	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
437
438	$tick_start += $time; # do not account sync jobs to server load	537	$TICK_START += $time; # do not account sync jobs to server load
439		538
440	wantarray ? @res : $res[0]	539	wantarray ? @res : $res[0]
441	} else {	540	} else {
442	# we are in another coroutine, how wonderful, everything just works	541	# we are in another coroutine, how wonderful, everything just works
443		542
…		…
468	=item fork_call { }, $args	567	=item fork_call { }, $args
469		568
470	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
471	process, returning the results. Everything must be serialisable with	570	process, returning the results. Everything must be serialisable with
472	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
473	never block itself or use any form of Event handling.	572	never block itself or use any form of event handling.
474		573
475	=cut	574	=cut
476
477	sub _store_scalar {
478	open my $fh, ">", \my $buf
479	or die "fork_call: cannot open fh-to-buf in child : $!";
480	Storable::store_fd $_[0], $fh;
481	close $fh;
482
483	$buf
484	}
485		575
486	sub fork_call(&@) {	576	sub fork_call(&@) {
487	my ($cb, @args) = @_;	577	my ($cb, @args) = @_;
488		578
489	# 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,
490	# or die "socketpair: $!";	580	# otherwise perl prematurely frees the stuff :/
491	pipe my $fh1, my $fh2	581	# TODO: investigate and fix (likely this will be rather laborious)
492	or die "pipe: $!";
493		582
494	if (my $pid = fork) {	583	my @res = Coro::Util::fork_eval {
495	close $fh2;
496
497	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
498	warn "pst<$res>" unless $res =~ /^pst/;
499	$res = Coro::Storable::thaw $res;
500
501	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
502
503	Carp::confess $$res unless "ARRAY" eq ref $res;
504
505	return wantarray ? @$res : $res->[-1];
506	} else {
507	reset_signals;	584	reset_signals;
508	local $SIG{__WARN__};	585	&$cb
509	local $SIG{__DIE__};	586	}, @args;
510	# just in case, this hack effectively disables event
511	# in the child. cleaner and slower would be canceling all watchers,
512	# but this works for the time being.
513	local $Coro::idle;
514	$Coro::current->prio (Coro::PRIO_MAX);
515		587
516	eval {	588	wantarray ? @res : $res[-1]
517	close $fh1;	589	}
518		590
519	my @res = eval { $cb->(@args) };	591	=item $coin = coin_from_name $name
520		592
521	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;	593	=cut
522	close $fh2;
523	};
524		594
525	warn $@ if $@;	595	our %coin_alias = (
526	_exit 0;	596	"silver" => "silvercoin",
527	}	597	"silvercoin" => "silvercoin",
		598	"silvercoins" => "silvercoin",
		599	"gold" => "goldcoin",
		600	"goldcoin" => "goldcoin",
		601	"goldcoins" => "goldcoin",
		602	"platinum" => "platinacoin",
		603	"platinumcoin" => "platinacoin",
		604	"platinumcoins" => "platinacoin",
		605	"platina" => "platinacoin",
		606	"platinacoin" => "platinacoin",
		607	"platinacoins" => "platinacoin",
		608	"royalty" => "royalty",
		609	"royalties" => "royalty",
		610	);
		611
		612	sub coin_from_name($) {
		613	$coin_alias{$_[0]}
		614	? cf::arch::find $coin_alias{$_[0]}
		615	: undef
528	}	616	}
529		617
530	=item $value = cf::db_get $family => $key	618	=item $value = cf::db_get $family => $key
531		619
532	Returns a single value from the environment database.	620	Returns a single value from the environment database.
…		…
534	=item cf::db_put $family => $key => $value	622	=item cf::db_put $family => $key => $value
535		623
536	Stores the given C<$value> in the family. It can currently store binary	624	Stores the given C<$value> in the family. It can currently store binary
537	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).
538		626
		627	=item $db = cf::db_table "name"
		628
		629	Create and/or open a new database table. The string must not be "db" and must be unique
		630	within each server.
		631
539	=cut	632	=cut
		633
		634	sub db_table($) {
		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	}
540		650
541	our $DB;	651	our $DB;
542		652
543	sub db_init {	653	sub db_init {
544	unless ($DB) {
545	$DB = BDB::db_create $DB_ENV;
546
547	cf::sync_job {	654	cf::sync_job {
548	eval {	655	$DB ||= db_table "db";
549	$DB->set_flags (BDB::CHKSUM);
550
551	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
552	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
553	cf::cleanup "db_open(db): $!" if $!;
554	};
555	cf::cleanup "db_open(db): $@" if $@;
556	};
557	}	656	};
558	}	657	}
559		658
560	sub db_get($$) {	659	sub db_get($$) {
561	my $key = "$_[0]/$_[1]";	660	my $key = "$_[0]/$_[1]";
562		661
…		…
612	if (1) {	711	if (1) {
613	$md5 =	712	$md5 =
614	join "\x00",	713	join "\x00",
615	$processversion,	714	$processversion,
616	map {	715	map {
617	Coro::cede;	716	cf::cede_to_tick;
618	($src->[$_], Digest::MD5::md5_hex $data[$_])	717	($src->[$_], Digest::MD5::md5_hex $data[$_])
619	} 0.. $#$src;	718	} 0.. $#$src;
620		719
621		720
622	my $dbmd5 = db_get cache => "$id/md5";	721	my $dbmd5 = db_get cache => "$id/md5";
…		…
660		759
661	#############################################################################	760	#############################################################################
662		761
663	=head2 ATTACHABLE OBJECTS	762	=head2 ATTACHABLE OBJECTS
664		763
665	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
666	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")
667	to it. All such attachable objects support the following methods.	766	to it. All such attachable objects support the following methods.
668		767
669	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>
670	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
671	Crossfire TRT).	770	Deliantra).
672		771
673	=over 4	772	=over 4
674		773
675	=item $attachable->attach ($attachment, key => $value...)	774	=item $attachable->attach ($attachment, key => $value...)
676		775
…		…
720	=item cf::CLASS::attachment $name, ...	819	=item cf::CLASS::attachment $name, ...
721		820
722	Register an attachment by C<$name> through which attachable objects of the	821	Register an attachment by C<$name> through which attachable objects of the
723	given CLASS can refer to this attachment.	822	given CLASS can refer to this attachment.
724		823
725	Some classes such as crossfire maps and objects can specify attachments	824	Some classes such as deliantra maps and objects can specify attachments
726	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.
727		826
728	These calls expect any number of the following handler/hook descriptions:	827	These calls expect any number of the following handler/hook descriptions:
729		828
730	=over 4	829	=over 4
…		…
958	}	1057	}
959		1058
960	0	1059	0
961	}	1060	}
962		1061
963	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1062	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
964		1063
965	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1064	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
966		1065
967	Generate an object-specific event with the given arguments.	1066	Generate an object-specific event with the given arguments.
968		1067
…		…
974		1073
975	=cut	1074	=cut
976		1075
977	#############################################################################	1076	#############################################################################
978	# object support	1077	# object support
979	#
980		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 $SLOW_MERGES;#d#
981	sub _can_merge {	1112	sub _can_merge {
982	my ($ob1, $ob2) = @_;	1113	my ($ob1, $ob2) = @_;
983		1114
984	local $Storable::canonical = 1;	1115	++$SLOW_MERGES;#d#
985	my $fob1 = Storable::freeze $ob1;
986	my $fob2 = Storable::freeze $ob2;
987		1116
988	$fob1 eq $fob2	1117	# we do the slow way here
		1118	return _object_equal $ob1, $ob2
989	}	1119	}
990		1120
991	sub reattach {	1121	sub reattach {
992	# basically do the same as instantiate, without calling instantiate	1122	# basically do the same as instantiate, without calling instantiate
993	my ($obj) = @_;	1123	my ($obj) = @_;
994		1124
		1125	# no longer needed after getting rid of delete_package?
995	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
996		1127
997	my $registry = $obj->registry;	1128	my $registry = $obj->registry;
998		1129
999	@$registry = ();	1130	@$registry = ();
1000		1131
…		…
1015	cf::attachable->attach (	1146	cf::attachable->attach (
1016	prio => -1000000,	1147	prio => -1000000,
1017	on_instantiate => sub {	1148	on_instantiate => sub {
1018	my ($obj, $data) = @_;	1149	my ($obj, $data) = @_;
1019		1150
1020	$data = from_json $data;	1151	$data = decode_json $data;
1021		1152
1022	for (@$data) {	1153	for (@$data) {
1023	my ($name, $args) = @$_;	1154	my ($name, $args) = @$_;
1024		1155
1025	$obj->attach ($name, %{$args || {} });	1156	$obj->attach ($name, %{$args || {} });
…		…
1041	sub object_freezer_save {	1172	sub object_freezer_save {
1042	my ($filename, $rdata, $objs) = @_;	1173	my ($filename, $rdata, $objs) = @_;
1043		1174
1044	sync_job {	1175	sync_job {
1045	if (length $$rdata) {	1176	if (length $$rdata) {
		1177	utf8::decode (my $decname = $filename);
1046	warn sprintf "saving %s (%d,%d)\n",	1178	warn sprintf "saving %s (%d,%d)\n",
1047	$filename, length $$rdata, scalar @$objs;	1179	$decname, length $$rdata, scalar @$objs;
1048		1180
1049	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1181	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1050	chmod SAVE_MODE, $fh;	1182	aio_chmod $fh, SAVE_MODE;
1051	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1183	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1052	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	}
1053	close $fh;	1188	aio_close $fh;
1054		1189
1055	if (@$objs) {	1190	if (@$objs) {
1056	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) {
1057	chmod SAVE_MODE, $fh;	1192	aio_chmod $fh, SAVE_MODE;
1058	my $data = Storable::nfreeze { version => 1, objs => $objs };	1193	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1059	aio_write $fh, 0, (length $data), $data, 0;	1194	aio_write $fh, 0, (length $data), $data, 0;
1060	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	}
1061	close $fh;	1199	aio_close $fh;
1062	aio_rename "$filename.pst~", "$filename.pst";	1200	aio_rename "$filename.pst~", "$filename.pst";
1063	}	1201	}
1064	} else {	1202	} else {
1065	aio_unlink "$filename.pst";	1203	aio_unlink "$filename.pst";
1066	}	1204	}
1067		1205
1068	aio_rename "$filename~", $filename;	1206	aio_rename "$filename~", $filename;
		1207
		1208	$filename =~ s%/[^/]+$%%;
		1209	aio_pathsync $filename if $cf::USE_FSYNC;
1069	} else {	1210	} else {
1070	warn "FATAL: $filename~: $!\n";	1211	warn "unable to save objects: $filename~: $!\n";
1071	}	1212	}
1072	} else {	1213	} else {
1073	aio_unlink $filename;	1214	aio_unlink $filename;
1074	aio_unlink "$filename.pst";	1215	aio_unlink "$filename.pst";
1075	}	1216	}
1076	}	1217	};
1077	}	1218	}
1078		1219
1079	sub object_freezer_as_string {	1220	sub object_freezer_as_string {
1080	my ($rdata, $objs) = @_;	1221	my ($rdata, $objs) = @_;
1081		1222
…		…
1093	or return;	1234	or return;
1094		1235
1095	unless (aio_stat "$filename.pst") {	1236	unless (aio_stat "$filename.pst") {
1096	(aio_load "$filename.pst", $av) >= 0	1237	(aio_load "$filename.pst", $av) >= 0
1097	or return;	1238	or return;
		1239
1098	$av = eval { (Storable::thaw $av)->{objs} };	1240	my $st = eval { Coro::Storable::thaw $av };
		1241	$av = $st->{objs};
1099	}	1242	}
1100		1243
		1244	utf8::decode (my $decname = $filename);
1101	warn sprintf "loading %s (%d)\n",	1245	warn sprintf "loading %s (%d,%d)\n",
1102	$filename, length $data, scalar @{$av || []};	1246	$decname, length $data, scalar @{$av || []};
		1247
1103	return ($data, $av);	1248	($data, $av)
1104	}	1249	}
1105		1250
1106	=head2 COMMAND CALLBACKS	1251	=head2 COMMAND CALLBACKS
1107		1252
1108	=over 4	1253	=over 4
…		…
1162	my ($name, $cb) = @_;	1307	my ($name, $cb) = @_;
1163		1308
1164	$EXTICMD{$name} = $cb;	1309	$EXTICMD{$name} = $cb;
1165	}	1310	}
1166		1311
		1312	use File::Glob ();
		1313
1167	cf::player->attach (	1314	cf::player->attach (
1168	on_command => sub {	1315	on_unknown_command => sub {
1169	my ($pl, $name, $params) = @_;	1316	my ($pl, $name, $params) = @_;
1170		1317
1171	my $cb = $COMMAND{$name}	1318	my $cb = $COMMAND{$name}
1172	or return;	1319	or return;
1173		1320
…		…
1186	my ($type, $reply, @payload) =	1333	my ($type, $reply, @payload) =
1187	"ARRAY" eq ref $msg	1334	"ARRAY" eq ref $msg
1188	? @$msg	1335	? @$msg
1189	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	1336	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1190		1337
		1338	my @reply;
		1339
1191	if (my $cb = $EXTCMD{$type}) {	1340	if (my $cb = $EXTCMD{$type}) {
1192	my @reply = $cb->($pl, @payload);	1341	@reply = $cb->($pl, @payload);
1193
1194	$pl->ext_reply ($reply, @reply)
1195	if $reply;
1196	}	1342	}
		1343
		1344	$pl->ext_reply ($reply, @reply)
		1345	if $reply;
		1346
1197	} else {	1347	} else {
1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1348	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1199	}	1349	}
1200		1350
1201	cf::override;	1351	cf::override;
1202	},	1352	},
1203	);	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	}
1204		1367
1205	sub load_extensions {	1368	sub load_extensions {
1206	cf::sync_job {	1369	cf::sync_job {
1207	my %todo;	1370	my %todo;
1208		1371
…		…
1228		1391
1229	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1392	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1230	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1393	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1231		1394
1232	$ext{source} =	1395	$ext{source} =
1233	"package $pkg; use strict; use utf8;\n"	1396	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1234	. "#line 1 \"$path\"\n{\n"	1397	. "#line 1 \"$path\"\n{\n"
1235	. $source	1398	. $source
1236	. "\n};\n1";	1399	. "\n};\n1";
1237		1400
1238	$todo{$base} = \%ext;	1401	$todo{$base} = \%ext;
1239	}	1402	}
1240		1403
		1404	my $pass = 0;
1241	my %done;	1405	my %done;
1242	while (%todo) {	1406	while (%todo) {
1243	my $progress;	1407	my $progress;
1244		1408
		1409	++$pass;
		1410
		1411	ext:
1245	while (my ($k, $v) = each %todo) {	1412	while (my ($k, $v) = each %todo) {
1246	for (split /,\s*/, $v->{meta}{depends}) {	1413	for (split /,\s*/, $v->{meta}{depends}) {
1247	goto skip	1414	next ext
1248	unless exists $done{$_};	1415	unless exists $done{$_};
1249	}	1416	}
1250		1417
1251	warn "... loading '$k' into '$v->{pkg}'\n";	1418	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1252		1419
1253	unless (eval $v->{source}) {	1420	my $active = eval $v->{source};
		1421
		1422	if (length $@) {
1254	my $msg = $@ ? "$v->{path}: $@\n"	1423	warn "$v->{path}: $@\n";
1255	: "$v->{base}: extension inactive.\n";
1256		1424
		1425	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1257	if (exists $v->{meta}{mandatory}) {	1426	if exists $v->{meta}{mandatory};
1258	warn $msg;	1427	} else {
1259	warn "mandatory extension failed to load, exiting.\n";	1428	$done{$k} = delete $todo{$k};
1260	exit 1;	1429	push @EXTS, $v->{pkg};
1261	}	1430	$progress = 1;
1262		1431
1263	warn $msg;	1432	warn "$v->{base}: extension inactive.\n"
		1433	unless $active;
1264	}	1434	}
1265
1266	$done{$k} = delete $todo{$k};
1267	push @EXTS, $v->{pkg};
1268	$progress = 1;
1269	}	1435	}
1270		1436
1271	skip:	1437	unless ($progress) {
1272	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1438	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1273	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	}
1274	}	1445	}
1275	};	1446	};
1276	}	1447	}
1277		1448
1278	#############################################################################	1449	#############################################################################
1279		1450
1280	=back	1451	=back
1281		1452
1282	=head2 CORE EXTENSIONS	1453	=head2 CORE EXTENSIONS
1283		1454
1284	Functions and methods that extend core crossfire objects.	1455	Functions and methods that extend core deliantra objects.
1285		1456
1286	=cut	1457	=cut
1287		1458
1288	package cf::player;	1459	package cf::player;
1289		1460
1290	use Coro::AIO;	1461	use Coro::AIO;
1291		1462
1292	=head3 cf::player	1463	=head3 cf::player
1293		1464
1294	=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	}
1295		1480
1296	=item cf::player::find $login	1481	=item cf::player::find $login
1297		1482
1298	Returns the given player object, loading it if necessary (might block).	1483	Returns the given player object, loading it if necessary (might block).
1299		1484
…		…
1318		1503
1319	sub exists($) {	1504	sub exists($) {
1320	my ($login) = @_;	1505	my ($login) = @_;
1321		1506
1322	$cf::PLAYER{$login}	1507	$cf::PLAYER{$login}
1323	or cf::sync_job { !aio_stat path $login }	1508	or !aio_stat path $login
1324	}	1509	}
1325		1510
1326	sub find($) {	1511	sub find($) {
1327	return $cf::PLAYER{$_[0]} || do {	1512	return $cf::PLAYER{$_[0]} || do {
1328	my $login = $_[0];	1513	my $login = $_[0];
…		…
1335	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1520	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1336	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1521	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1337	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1522	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1338	aio_unlink +(playerdir $login) . "/$login.pl";	1523	aio_unlink +(playerdir $login) . "/$login.pl";
1339		1524
1340	my $pl = load_pl path $login	1525	my $f = new_from_file cf::object::thawer path $login
1341	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;
1342	$cf::PLAYER{$login} = $pl	1533	$cf::PLAYER{$login} = $pl
1343	}	1534	}
1344	}	1535	}
1345	}	1536	}
		1537
		1538	cf::player->attach (
		1539	on_load => sub {
		1540	my ($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	);
1346		1550
1347	sub save($) {	1551	sub save($) {
1348	my ($pl) = @_;	1552	my ($pl) = @_;
1349		1553
1350	return if $pl->{deny_save};	1554	return if $pl->{deny_save};
…		…
1355	return if $pl->{deny_save};	1559	return if $pl->{deny_save};
1356		1560
1357	aio_mkdir playerdir $pl, 0770;	1561	aio_mkdir playerdir $pl, 0770;
1358	$pl->{last_save} = $cf::RUNTIME;	1562	$pl->{last_save} = $cf::RUNTIME;
1359		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
1360	$pl->save_pl ($path);	1569	$pl->save_pl ($path);
1361	Coro::cede;	1570	cf::cede_to_tick;
1362	}	1571	}
1363		1572
1364	sub new($) {	1573	sub new($) {
1365	my ($login) = @_;	1574	my ($login) = @_;
1366		1575
…		…
1372	$cf::PLAYER{$login} = $self;	1581	$cf::PLAYER{$login} = $self;
1373		1582
1374	$self	1583	$self
1375	}	1584	}
1376		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
1377	=item $pl->quit_character	1596	=item $pl->quit_character
1378		1597
1379	Nukes the player without looking back. If logged in, the connection will	1598	Nukes the player without looking back. If logged in, the connection will
1380	be destroyed. May block for a long time.	1599	be destroyed. May block for a long time.
1381		1600
…		…
1385	my ($pl) = @_;	1604	my ($pl) = @_;
1386		1605
1387	my $name = $pl->ob->name;	1606	my $name = $pl->ob->name;
1388		1607
1389	$pl->{deny_save} = 1;	1608	$pl->{deny_save} = 1;
1390	$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
1391		1610
1392	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1611	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1393	$pl->deactivate;	1612	$pl->deactivate;
		1613	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1614	$pl->ob->check_score;
1394	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1615	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1395	$pl->ns->destroy if $pl->ns;	1616	$pl->ns->destroy if $pl->ns;
1396		1617
1397	my $path = playerdir $pl;	1618	my $path = playerdir $pl;
1398	my $temp = "$path~$cf::RUNTIME~deleting~";	1619	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1434	or return [];	1655	or return [];
1435		1656
1436	my @logins;	1657	my @logins;
1437		1658
1438	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") {
1439	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1665	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1440	aio_read $fh, 0, 512, my $buf, 0 or next;	1666	aio_read $fh, 0, 512, my $buf, 0 or next;
1441	$buf !~ /^password -------------$/m or next; # official not-valid tag	1667	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1668	}
1442		1669
1443	utf8::decode $login;	1670	utf8::decode $login;
1444	push @logins, $login;	1671	push @logins, $login;
1445	}	1672	}
1446		1673
…		…
1473	}	1700	}
1474		1701
1475	\@paths	1702	\@paths
1476	}	1703	}
1477		1704
1478	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1705	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1479		1706
1480	Expand crossfire pod fragments into protocol xml.	1707	Expand deliantra pod fragments into protocol xml.
1481
1482	=cut
1483
1484	sub expand_cfpod {
1485	((my $self), (local $_)) = @_;
1486
1487	# escape & and <
1488	s/&/&amp;/g;
1489	s/(?<![BIUGH])</&lt;/g;
1490
1491	# this is buggy, it needs to properly take care of nested <'s
1492
1493	1 while
1494	# replace B<>, I<>, U<> etc.
1495	s/B<([^\>]*)>/<b>$1<\/b>/
1496	|| s/I<([^\>]*)>/<i>$1<\/i>/
1497	|| s/U<([^\>]*)>/<u>$1<\/u>/
1498	# replace G<male|female> tags
1499	|| s{G<([^>|]*)\|([^>]*)>}{
1500	$self->gender ? $2 : $1
1501	}ge
1502	# replace H<hint text>
1503	|| s{H<([^\>]*)>}
1504	{
1505	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1506	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1507	"")
1508	[$self->{hintmode}]
1509	}ge;
1510
1511	# create single paragraphs (very hackish)
1512	s/(?<=\S)\n(?=\w)/ /g;
1513
1514	# compress some whitespace
1515	s/\s+\n/\n/g; # ws line-ends
1516	s/\n\n+/\n/g; # double lines
1517	s/^\n+//; # beginning lines
1518	s/\n+$//; # ending lines
1519
1520	$_
1521	}
1522
1523	sub hintmode {
1524	$_[0]{hintmode} = $_[1] if @_ > 1;
1525	$_[0]{hintmode}
1526	}
1527		1708
1528	=item $player->ext_reply ($msgid, @msg)	1709	=item $player->ext_reply ($msgid, @msg)
1529		1710
1530	Sends an ext reply to the player.	1711	Sends an ext reply to the player.
1531		1712
1532	=cut	1713	=cut
1533		1714
1534	sub ext_reply($$@) {	1715	sub ext_reply($$@) {
1535	my ($self, $id, @msg) = @_;	1716	my ($self, $id, @msg) = @_;
1536		1717
1537	if ($self->ns->extcmd == 2) {	1718	$self->ns->ext_reply ($id, @msg)
1538	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1539	} elsif ($self->ns->extcmd == 1) {
1540	#TODO: version 1, remove
1541	unshift @msg, msgtype => "reply", msgid => $id;
1542	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
1543	}
1544	}	1719	}
1545		1720
1546	=item $player->ext_msg ($type, @msg)	1721	=item $player->ext_msg ($type, @msg)
1547		1722
1548	Sends an ext event to the client.	1723	Sends an ext event to the client.
…		…
1604	our $MAX_RESET = 3600;	1779	our $MAX_RESET = 3600;
1605	our $DEFAULT_RESET = 3000;	1780	our $DEFAULT_RESET = 3000;
1606		1781
1607	sub generate_random_map {	1782	sub generate_random_map {
1608	my ($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
1609	# mit "rum" bekleckern, nicht	1787	# mit "rum" bekleckern, nicht
1610	$self->_create_random_map (	1788	$self->_create_random_map (
1611	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1789	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1612	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1790	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1613	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1791	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1614	$rmp->{exit_on_final_map},	1792	$rmp->{exit_on_final_map},
1615	$rmp->{xsize}, $rmp->{ysize},	1793	$rmp->{xsize}, $rmp->{ysize},
1616	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1794	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1617	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1795	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1735		1913
1736	# the temporary/swap location	1914	# the temporary/swap location
1737	sub save_path {	1915	sub save_path {
1738	my ($self) = @_;	1916	my ($self) = @_;
1739		1917
1740	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1918	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1741	"$TMPDIR/$path.map"	1919	"$TMPDIR/$path.map"
1742	}	1920	}
1743		1921
1744	# the unique path, undef == no special unique path	1922	# the unique path, undef == no special unique path
1745	sub uniq_path {	1923	sub uniq_path {
1746	my ($self) = @_;	1924	my ($self) = @_;
1747		1925
1748	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1926	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1749	"$UNIQUEDIR/$path"	1927	"$UNIQUEDIR/$path"
1750	}
1751
1752	# and all this just because we cannot iterate over
1753	# all maps in C++...
1754	sub change_all_map_light {
1755	my ($change) = @_;
1756
1757	$_->change_map_light ($change)
1758	for grep $_->outdoor, values %cf::MAP;
1759	}	1928	}
1760		1929
1761	sub decay_objects {	1930	sub decay_objects {
1762	my ($self) = @_;	1931	my ($self) = @_;
1763		1932
…		…
1776		1945
1777	sub load_header_from($) {	1946	sub load_header_from($) {
1778	my ($self, $path) = @_;	1947	my ($self, $path) = @_;
1779		1948
1780	utf8::encode $path;	1949	utf8::encode $path;
1781	#aio_open $path, O_RDONLY, 0	1950	my $f = new_from_file cf::object::thawer $path
1782	# or return;
1783
1784	$self->_load_header ($path)
1785	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;
1786		1958
1787	$self->{load_path} = $path;	1959	$self->{load_path} = $path;
1788		1960
1789	1	1961	1
1790	}	1962	}
…		…
1844	sub find {	2016	sub find {
1845	my ($path, $origin) = @_;	2017	my ($path, $origin) = @_;
1846		2018
1847	$path = normalise $path, $origin && $origin->path;	2019	$path = normalise $path, $origin && $origin->path;
1848		2020
		2021	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1849	cf::lock_wait "map_find:$path";	2022	my $guard2 = cf::lock_acquire "map_find:$path";
1850		2023
1851	$cf::MAP{$path} || do {	2024	$cf::MAP{$path} || do {
1852	my $guard = cf::lock_acquire "map_find:$path";
1853	my $map = new_from_path cf::map $path	2025	my $map = new_from_path cf::map $path
1854	or return;	2026	or return;
1855		2027
1856	$map->{last_save} = $cf::RUNTIME;	2028	$map->{last_save} = $cf::RUNTIME;
1857		2029
…		…
1859	or return;	2031	or return;
1860		2032
1861	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2033	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1862	# doing this can freeze the server in a sync job, obviously	2034	# doing this can freeze the server in a sync job, obviously
1863	#$cf::WAIT_FOR_TICK->wait;	2035	#$cf::WAIT_FOR_TICK->wait;
		2036	undef $guard2;
		2037	undef $guard1;
1864	$map->reset;	2038	$map->reset;
1865	undef $guard;
1866	return find $path;	2039	return find $path;
1867	}	2040	}
1868		2041
1869	$cf::MAP{$path} = $map	2042	$cf::MAP{$path} = $map
1870	}	2043	}
1871	}	2044	}
1872		2045
1873	sub pre_load { }	2046	sub pre_load { }
1874	sub post_load { }	2047	#sub post_load { } # XS
1875		2048
1876	sub load {	2049	sub load {
1877	my ($self) = @_;	2050	my ($self) = @_;
1878		2051
1879	local $self->{deny_reset} = 1; # loading can take a long time	2052	local $self->{deny_reset} = 1; # loading can take a long time
1880		2053
1881	my $path = $self->{path};	2054	my $path = $self->{path};
1882		2055
1883	{	2056	{
1884	my $guard = cf::lock_acquire "map_load:$path";	2057	my $guard = cf::lock_acquire "map_data:$path";
1885		2058
		2059	return unless $self->valid;
1886	return if $self->in_memory != cf::MAP_SWAPPED;	2060	return unless $self->in_memory == cf::MAP_SWAPPED;
1887		2061
1888	$self->in_memory (cf::MAP_LOADING);	2062	$self->in_memory (cf::MAP_LOADING);
1889		2063
1890	$self->alloc;	2064	$self->alloc;
1891		2065
1892	$self->pre_load;	2066	$self->pre_load;
1893	Coro::cede;	2067	cf::cede_to_tick;
1894		2068
		2069	my $f = new_from_file cf::object::thawer $self->{load_path};
		2070	$f->skip_block;
1895	$self->_load_objects ($self->{load_path}, 1)	2071	$self->_load_objects ($f)
1896	or return;	2072	or return;
1897		2073
1898	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2074	$self->post_load_original
1899	if delete $self->{load_original};	2075	if delete $self->{load_original};
1900		2076
1901	if (my $uniq = $self->uniq_path) {	2077	if (my $uniq = $self->uniq_path) {
1902	utf8::encode $uniq;	2078	utf8::encode $uniq;
1903	if (aio_open $uniq, O_RDONLY, 0) {	2079	unless (aio_stat $uniq) {
		2080	if (my $f = new_from_file cf::object::thawer $uniq) {
1904	$self->clear_unique_items;	2081	$self->clear_unique_items;
1905	$self->_load_objects ($uniq, 0);	2082	$self->_load_objects ($f);
		2083	$f->resolve_delayed_derefs;
		2084	}
1906	}	2085	}
1907	}	2086	}
1908		2087
1909	Coro::cede;	2088	$f->resolve_delayed_derefs;
		2089
		2090	cf::cede_to_tick;
1910	# now do the right thing for maps	2091	# now do the right thing for maps
1911	$self->link_multipart_objects;	2092	$self->link_multipart_objects;
1912	$self->difficulty ($self->estimate_difficulty)	2093	$self->difficulty ($self->estimate_difficulty)
1913	unless $self->difficulty;	2094	unless $self->difficulty;
1914	Coro::cede;	2095	cf::cede_to_tick;
1915		2096
1916	unless ($self->{deny_activate}) {	2097	unless ($self->{deny_activate}) {
1917	$self->decay_objects;	2098	$self->decay_objects;
1918	$self->fix_auto_apply;	2099	$self->fix_auto_apply;
1919	$self->update_buttons;	2100	$self->update_buttons;
1920	Coro::cede;	2101	cf::cede_to_tick;
1921	$self->set_darkness_map;
1922	Coro::cede;
1923	$self->activate;	2102	$self->activate;
1924	}	2103	}
1925		2104
1926	$self->{last_save} = $cf::RUNTIME;	2105	$self->{last_save} = $cf::RUNTIME;
1927	$self->last_access ($cf::RUNTIME);	2106	$self->last_access ($cf::RUNTIME);
1928		2107
1929	$self->in_memory (cf::MAP_IN_MEMORY);	2108	$self->in_memory (cf::MAP_ACTIVE);
1930	}	2109	}
1931		2110
1932	$self->post_load;	2111	$self->post_load;
1933	}	2112	}
1934		2113
		2114	# customize the map for a given player, i.e.
		2115	# return the _real_ map. used by e.g. per-player
		2116	# maps to change the path to ~playername/mappath
1935	sub customise_for {	2117	sub customise_for {
1936	my ($self, $ob) = @_;	2118	my ($self, $ob) = @_;
1937		2119
1938	return find "~" . $ob->name . "/" . $self->{path}	2120	return find "~" . $ob->name . "/" . $self->{path}
1939	if $self->per_player;	2121	if $self->per_player;
…		…
1943		2125
1944	$self	2126	$self
1945	}	2127	}
1946		2128
1947	# find and load all maps in the 3x3 area around a map	2129	# find and load all maps in the 3x3 area around a map
1948	sub load_diag {	2130	sub load_neighbours {
1949	my ($map) = @_;	2131	my ($map) = @_;
1950		2132
1951	my @diag; # diagonal neighbours	2133	my @neigh; # diagonal neighbours
1952		2134
1953	for (0 .. 3) {	2135	for (0 .. 3) {
1954	my $neigh = $map->tile_path ($_)	2136	my $neigh = $map->tile_path ($_)
1955	or next;	2137	or next;
1956	$neigh = find $neigh, $map	2138	$neigh = find $neigh, $map
1957	or next;	2139	or next;
1958	$neigh->load;	2140	$neigh->load;
1959		2141
		2142	push @neigh,
1960	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2143	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1961	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2144	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1962	}	2145	}
1963		2146
1964	for (@diag) {	2147	for (grep defined $_->[0], @neigh) {
		2148	my ($path, $origin) = @$_;
1965	my $neigh = find @$_	2149	my $neigh = find $path, $origin
1966	or next;	2150	or next;
1967	$neigh->load;	2151	$neigh->load;
1968	}	2152	}
1969	}	2153	}
1970		2154
…		…
1975	}	2159	}
1976		2160
1977	sub do_load_sync {	2161	sub do_load_sync {
1978	my ($map) = @_;	2162	my ($map) = @_;
1979		2163
		2164	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2165	if $Coro::current == $Coro::main;
		2166
1980	cf::sync_job { $map->load };	2167	cf::sync_job { $map->load };
1981	}	2168	}
1982		2169
1983	our %MAP_PREFETCH;	2170	our %MAP_PREFETCH;
1984	our $MAP_PREFETCHER = undef;	2171	our $MAP_PREFETCHER = undef;
1985		2172
1986	sub find_async {	2173	sub find_async {
1987	my ($path, $origin) = @_;	2174	my ($path, $origin, $load) = @_;
1988		2175
1989	$path = normalise $path, $origin && $origin->{path};	2176	$path = normalise $path, $origin && $origin->{path};
1990		2177
1991	if (my $map = $cf::MAP{$path}) {	2178	if (my $map = $cf::MAP{$path}) {
1992	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2179	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1993	}	2180	}
1994		2181
1995	undef $MAP_PREFETCH{$path};	2182	$MAP_PREFETCH{$path} |= $load;
		2183
1996	$MAP_PREFETCHER ||= cf::async {	2184	$MAP_PREFETCHER ||= cf::async {
		2185	$Coro::current->{desc} = "map prefetcher";
		2186
1997	while (%MAP_PREFETCH) {	2187	while (%MAP_PREFETCH) {
1998	for my $path (keys %MAP_PREFETCH) {	2188	while (my ($k, $v) = each %MAP_PREFETCH) {
1999	if (my $map = find $path) {	2189	if (my $map = find $k) {
2000	$map->load;	2190	$map->load if $v;
2001	}	2191	}
2002		2192
2003	delete $MAP_PREFETCH{$path};	2193	delete $MAP_PREFETCH{$k};
2004	}	2194	}
2005	}	2195	}
2006	undef $MAP_PREFETCHER;	2196	undef $MAP_PREFETCHER;
2007	};	2197	};
2008	$MAP_PREFETCHER->prio (6);	2198	$MAP_PREFETCHER->prio (6);
…		…
2011	}	2201	}
2012		2202
2013	sub save {	2203	sub save {
2014	my ($self) = @_;	2204	my ($self) = @_;
2015		2205
2016	my $lock = cf::lock_acquire "map_data:" . $self->path;	2206	my $lock = cf::lock_acquire "map_data:$self->{path}";
2017		2207
2018	$self->{last_save} = $cf::RUNTIME;	2208	$self->{last_save} = $cf::RUNTIME;
2019		2209
2020	return unless $self->dirty;	2210	return unless $self->dirty;
2021		2211
…		…
2027	return if $self->{deny_save};	2217	return if $self->{deny_save};
2028		2218
2029	local $self->{last_access} = $self->last_access;#d#	2219	local $self->{last_access} = $self->last_access;#d#
2030		2220
2031	cf::async {	2221	cf::async {
		2222	$Coro::current->{desc} = "map player save";
2032	$_->contr->save for $self->players;	2223	$_->contr->save for $self->players;
2033	};	2224	};
		2225
		2226	cf::get_slot 0.02;
2034		2227
2035	if ($uniq) {	2228	if ($uniq) {
2036	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2229	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2037	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2230	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2038	} else {	2231	} else {
…		…
2044	my ($self) = @_;	2237	my ($self) = @_;
2045		2238
2046	# save first because save cedes	2239	# save first because save cedes
2047	$self->save;	2240	$self->save;
2048		2241
2049	my $lock = cf::lock_acquire "map_data:" . $self->path;	2242	my $lock = cf::lock_acquire "map_data:$self->{path}";
2050		2243
2051	return if $self->players;	2244	return if $self->players;
2052	return if $self->in_memory != cf::MAP_IN_MEMORY;	2245	return if $self->in_memory != cf::MAP_ACTIVE;
2053	return if $self->{deny_save};	2246	return if $self->{deny_save};
2054		2247
		2248	$self->in_memory (cf::MAP_SWAPPED);
		2249
		2250	$self->deactivate;
		2251	$_->clear_links_to ($self) for values %cf::MAP;
2055	$self->clear;	2252	$self->clear;
2056	$self->in_memory (cf::MAP_SWAPPED);
2057	}	2253	}
2058		2254
2059	sub reset_at {	2255	sub reset_at {
2060	my ($self) = @_;	2256	my ($self) = @_;
2061		2257
…		…
2079		2275
2080	my $lock = cf::lock_acquire "map_data:$self->{path}";	2276	my $lock = cf::lock_acquire "map_data:$self->{path}";
2081		2277
2082	return if $self->players;	2278	return if $self->players;
2083		2279
2084	warn "resetting map ", $self->path;	2280	warn "resetting map ", $self->path, "\n";
2085		2281
2086	$self->in_memory (cf::MAP_SWAPPED);	2282	$self->in_memory (cf::MAP_SWAPPED);
2087		2283
2088	# need to save uniques path	2284	# need to save uniques path
2089	unless ($self->{deny_save}) {	2285	unless ($self->{deny_save}) {
…		…
2093	if $uniq;	2289	if $uniq;
2094	}	2290	}
2095		2291
2096	delete $cf::MAP{$self->path};	2292	delete $cf::MAP{$self->path};
2097		2293
		2294	$self->deactivate;
		2295	$_->clear_links_to ($self) for values %cf::MAP;
2098	$self->clear;	2296	$self->clear;
2099
2100	$_->clear_links_to ($self) for values %cf::MAP;
2101		2297
2102	$self->unlink_save;	2298	$self->unlink_save;
2103	$self->destroy;	2299	$self->destroy;
2104	}	2300	}
2105		2301
2106	my $nuke_counter = "aaaa";	2302	my $nuke_counter = "aaaa";
2107		2303
2108	sub nuke {	2304	sub nuke {
2109	my ($self) = @_;	2305	my ($self) = @_;
2110		2306
		2307	{
		2308	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2309
2111	delete $cf::MAP{$self->path};	2310	delete $cf::MAP{$self->path};
2112		2311
2113	$self->unlink_save;	2312	$self->unlink_save;
2114		2313
2115	bless $self, "cf::map";	2314	bless $self, "cf::map";
2116	delete $self->{deny_reset};	2315	delete $self->{deny_reset};
2117	$self->{deny_save} = 1;	2316	$self->{deny_save} = 1;
2118	$self->reset_timeout (1);	2317	$self->reset_timeout (1);
2119	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2318	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2120		2319
2121	$cf::MAP{$self->path} = $self;	2320	$cf::MAP{$self->path} = $self;
		2321	}
2122		2322
2123	$self->reset; # polite request, might not happen	2323	$self->reset; # polite request, might not happen
2124	}	2324	}
2125		2325
2126	=item $maps = cf::map::tmp_maps	2326	=item $maps = cf::map::tmp_maps
…		…
2168		2368
2169	sub unique_maps() {	2369	sub unique_maps() {
2170	[	2370	[
2171	map {	2371	map {
2172	utf8::decode $_;	2372	utf8::decode $_;
2173	/\.map$/	2373	s/\.map$//; # TODO future compatibility hack
		2374	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2375	? ()
2174	? normalise $_	2376	: normalise $_
2175	: ()
2176	} @{ aio_readdir $UNIQUEDIR or [] }	2377	} @{ aio_readdir $UNIQUEDIR or [] }
2177	]	2378	]
2178	}	2379	}
2179		2380
2180	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	}
2181		2412
2182	=back	2413	=back
2183		2414
2184	=head3 cf::object	2415	=head3 cf::object
2185		2416
…		…
2189		2420
2190	=over 4	2421	=over 4
2191		2422
2192	=item $ob->inv_recursive	2423	=item $ob->inv_recursive
2193		2424
2194	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.
2195		2427
2196	=cut	2428	=cut
2197		2429
2198	sub inv_recursive_;	2430	sub inv_recursive_;
2199	sub inv_recursive_ {	2431	sub inv_recursive_ {
…		…
2202		2434
2203	sub inv_recursive {	2435	sub inv_recursive {
2204	inv_recursive_ inv $_[0]	2436	inv_recursive_ inv $_[0]
2205	}	2437	}
2206		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
2207	package cf;	2467	package cf;
2208		2468
2209	=back	2469	=back
2210		2470
2211	=head3 cf::object::player	2471	=head3 cf::object::player
…		…
2217	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>
2218	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
2219	dialogue with the given NPC character.	2479	dialogue with the given NPC character.
2220		2480
2221	=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	};
2222		2496
2223	# rough implementation of a future "reply" method that works	2497	# rough implementation of a future "reply" method that works
2224	# with dialog boxes.	2498	# with dialog boxes.
2225	#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
2226	sub cf::object::player::reply($$$;$) {	2500	sub cf::object::player::reply($$$;$) {
…		…
2238	my $dialog = $pl->{npc_dialog};	2512	my $dialog = $pl->{npc_dialog};
2239	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2513	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2240		2514
2241	} else {	2515	} else {
2242	$msg = $npc->name . " says: $msg" if $npc;	2516	$msg = $npc->name . " says: $msg" if $npc;
2243	$self->message ($msg, $flags);	2517	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2244	}	2518	}
2245	}	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 (@_);
2246	}	2530	}
2247		2531
2248	=item $player_object->may ("access")	2532	=item $player_object->may ("access")
2249		2533
2250	Returns wether the given player is authorized to access resource "access"	2534	Returns wether the given player is authorized to access resource "access"
…		…
2263		2547
2264	=item $player_object->enter_link	2548	=item $player_object->enter_link
2265		2549
2266	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}>).
2267		2551
2268	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.
2269	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.
2270		2556
2271	Will never block.	2557	Will never block.
2272		2558
2273	=item $player_object->leave_link ($map, $x, $y)	2559	=item $player_object->leave_link ($map, $x, $y)
2274		2560
…		…
2326	($x, $y) = (-1, -1)	2612	($x, $y) = (-1, -1)
2327	unless (defined $x) && (defined $y);	2613	unless (defined $x) && (defined $y);
2328		2614
2329	# use -1 or undef as default coordinates, not 0, 0	2615	# use -1 or undef as default coordinates, not 0, 0
2330	($x, $y) = ($map->enter_x, $map->enter_y)	2616	($x, $y) = ($map->enter_x, $map->enter_y)
2331	if $x <=0 && $y <= 0;	2617	if $x <= 0 && $y <= 0;
2332		2618
2333	$map->load;	2619	$map->load;
2334	$map->load_diag;	2620	$map->load_neighbours;
2335		2621
2336	return unless $self->contr->active;	2622	return unless $self->contr->active;
2337	$self->activate_recursive;
2338		2623
2339	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2624	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2340	$self->enter_map ($map, $x, $y);	2625	$self->enter_map ($map, $x, $y);
		2626
		2627	# only activate afterwards, to support waiting in hooks
		2628	$self->activate_recursive;
2341	}	2629	}
2342		2630
2343	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2631	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2344		2632
2345	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
2346	her, loading and preparing them map, calling the provided $check callback	2634	her, loading and preparing them map, calling the provided $check callback
2347	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
2348	the new (success) or old (failed) map position. In either case, $done will	2636	the new (success) or old (failed) map position. In either case, $done will
2349	be called at the end of this process.	2637	be called at the end of this process.
2350		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 >>.
		2641
2351	=cut	2642	=cut
2352		2643
2353	our $GOTOGEN;	2644	our $GOTOGEN;
2354		2645
2355	sub cf::object::player::goto {	2646	sub cf::object::player::goto {
…		…
2359	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2650	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2360		2651
2361	$self->enter_link;	2652	$self->enter_link;
2362		2653
2363	(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
2364	my $map = eval {	2676	my $map = eval {
2365	my $map = cf::map::find $path;	2677	my $map = defined $path ? cf::map::find $path : undef;
2366		2678
2367	if ($map) {	2679	if ($map) {
2368	$map = $map->customise_for ($self);	2680	$map = $map->customise_for ($self);
2369	$map = $check->($map) if $check && $map;	2681	$map = $check->($map) if $check && $map;
2370	} else {	2682	} else {
2371	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2683	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2372	}	2684	}
2373		2685
2374	$map	2686	$map
2375	};	2687	};
2376		2688
…		…
2412	}	2724	}
2413		2725
2414	sub prepare_random_map {	2726	sub prepare_random_map {
2415	my ($exit) = @_;	2727	my ($exit) = @_;
2416		2728
2417	my $guard = cf::lock_acquire "exit_prepare:$exit";
2418
2419	# all this does is basically replace the /! path by	2729	# all this does is basically replace the /! path by
2420	# a new random map path (?random/...) with a seed	2730	# a new random map path (?random/...) with a seed
2421	# that depends on the exit object	2731	# that depends on the exit object
2422		2732
2423	my $rmp = parse_random_map_params $exit->msg;	2733	my $rmp = parse_random_map_params $exit->msg;
…		…
2425	if ($exit->map) {	2735	if ($exit->map) {
2426	$rmp->{region} = $exit->region->name;	2736	$rmp->{region} = $exit->region->name;
2427	$rmp->{origin_map} = $exit->map->path;	2737	$rmp->{origin_map} = $exit->map->path;
2428	$rmp->{origin_x} = $exit->x;	2738	$rmp->{origin_x} = $exit->x;
2429	$rmp->{origin_y} = $exit->y;	2739	$rmp->{origin_y} = $exit->y;
		2740
		2741	$exit->map->touch;
2430	}	2742	}
2431		2743
2432	$rmp->{random_seed} ||= $exit->random_seed;	2744	$rmp->{random_seed} ||= $exit->random_seed;
2433		2745
2434	my $data = cf::to_json $rmp;	2746	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2435	my $md5 = Digest::MD5::md5_hex $data;	2747	my $md5 = Digest::MD5::md5_hex $data;
2436	my $meta = "$RANDOMDIR/$md5.meta";	2748	my $meta = "$RANDOMDIR/$md5.meta";
2437		2749
2438	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2750	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2439	aio_write $fh, 0, (length $data), $data, 0;	2751	aio_write $fh, 0, (length $data), $data, 0;
2440	undef $fh;	2752	undef $fh;
2441	aio_rename "$meta~", $meta;	2753	aio_rename "$meta~", $meta;
2442		2754
		2755	my $slaying = "?random/$md5";
		2756
		2757	if ($exit->valid) {
2443	$exit->slaying ("?random/$md5");	2758	$exit->slaying ("?random/$md5");
2444	$exit->msg (undef);	2759	$exit->msg (undef);
		2760	}
2445	}	2761	}
2446	}	2762	}
2447		2763
2448	sub cf::object::player::enter_exit {	2764	sub cf::object::player::enter_exit {
2449	my ($self, $exit) = @_;	2765	my ($self, $exit) = @_;
2450		2766
2451	return unless $self->type == cf::PLAYER;	2767	return unless $self->type == cf::PLAYER;
2452		2768
2453	if ($exit->slaying eq "/!") {
2454	#TODO: this should de-fi-ni-te-ly not be a sync-job
2455	# the problem is that $exit might not survive long enough
2456	# so it needs to be done right now, right here
2457	cf::sync_job { prepare_random_map $exit };
2458	}
2459
2460	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2461	my $hp = $exit->stats->hp;
2462	my $sp = $exit->stats->sp;
2463
2464	$self->enter_link;	2769	$self->enter_link;
2465		2770
2466	# if exit is damned, update players death & WoR home-position
2467	$self->contr->savebed ($slaying, $hp, $sp)
2468	if $exit->flag (FLAG_DAMNED);
2469
2470	(async {	2771	(async {
2471	$self->deactivate_recursive; # just to be sure	2772	$Coro::current->{desc} = "enter_exit";
		2773
2472	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
2473	$self->goto ($slaying, $hp, $sp);	2789	$self->goto ($map, $x, $y);
2474		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
2475	1;	2795	1
2476	}) {	2796	}) {
2477	$self->message ("Something went wrong deep within the crossfire server. "	2797	$self->message ("Something went wrong deep within the deliantra server. "
2478	. "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. "
2479	. "Please report this to the dungeon master!",	2799	. "Please report this to the dungeon master!",
2480	cf::NDI_UNIQUE | cf::NDI_RED);	2800	cf::NDI_UNIQUE | cf::NDI_RED);
2481		2801
2482	warn "ERROR in enter_exit: $@";	2802	warn "ERROR in enter_exit: $@";
…		…
2499	sub cf::client::send_drawinfo {	2819	sub cf::client::send_drawinfo {
2500	my ($self, $text, $flags) = @_;	2820	my ($self, $text, $flags) = @_;
2501		2821
2502	utf8::encode $text;	2822	utf8::encode $text;
2503	$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);
		2824	}
		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);
2504	}	2849	}
2505		2850
2506	=item $client->send_msg ($channel, $msg, $color, [extra...])	2851	=item $client->send_msg ($channel, $msg, $color, [extra...])
2507		2852
2508	Send a drawinfo or msg packet to the client, formatting the msg for the	2853	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2510	the message, with C<log> being the default. If C<$color> is negative, suppress	2855	the message, with C<log> being the default. If C<$color> is negative, suppress
2511	the message unless the client supports the msg packet.	2856	the message unless the client supports the msg packet.
2512		2857
2513	=cut	2858	=cut
2514		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" => $CHAT_CHANNEL,
		2972	);
		2973
2515	sub cf::client::send_msg {	2974	sub cf::client::send_msg {
2516	my ($self, $channel, $msg, $color, @extra) = @_;	2975	my ($self, $channel, $msg, $color, @extra) = @_;
2517		2976
2518	$msg = $self->pl->expand_cfpod ($msg);	2977	$msg = $self->pl->expand_cfpod ($msg)
		2978	unless $color & cf::NDI_VERBATIM;
2519		2979
2520	$color &= cf::NDI_CLIENT_MASK; # just in case...	2980	$color &= cf::NDI_CLIENT_MASK; # just in case...
2521		2981
		2982	# check predefined channels, for the benefit of C
		2983	if ($CHANNEL{$channel}) {
		2984	$channel = $CHANNEL{$channel};
		2985
		2986	$self->ext_msg (channel_info => $channel);
		2987	$channel = $channel->{id};
		2988
2522	if (ref $channel) {	2989	} elsif (ref $channel) {
2523	# send meta info to client, if not yet sent	2990	# send meta info to client, if not yet sent
2524	unless (exists $self->{channel}{$channel->{id}}) {	2991	unless (exists $self->{channel}{$channel->{id}}) {
2525	$self->{channel}{$channel->{id}} = $channel;	2992	$self->{channel}{$channel->{id}} = $channel;
2526	$self->ext_msg (channel_info => $channel);	2993	$self->ext_msg (channel_info => $channel);
2527	}	2994	}
…		…
2529	$channel = $channel->{id};	2996	$channel = $channel->{id};
2530	}	2997	}
2531		2998
2532	return unless @extra || length $msg;	2999	return unless @extra || length $msg;
2533		3000
2534	if ($self->can_msg) {
2535	# default colour, mask it out	3001	# default colour, mask it out
2536	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3002	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2537	if $color & cf::NDI_DEF;	3003	if $color & cf::NDI_DEF;
2538		3004
2539	$self->send_packet ("msg " . $self->{json_coder}->encode (	3005	my $pkt = "msg "
		3006	. $self->{json_coder}->encode (
2540	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3007	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2541	} else {	3008	);
2542	if ($color >= 0) {
2543	# replace some tags by gcfclient-compatible ones
2544	for ($msg) {
2545	1 while
2546	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2547	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2548	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2549	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2550	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2551	}
2552		3009
2553	$color &= cf::NDI_COLOR_MASK;	3010	$self->send_big_packet ($pkt);
2554
2555	utf8::encode $msg;
2556
2557	if (0 && $msg =~ /\[/) {
2558	$self->send_packet ("drawextinfo $color 4 0 $msg")
2559	} else {
2560	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2561	$self->send_packet ("drawinfo $color $msg")
2562	}
2563	}
2564	}
2565	}	3011	}
2566		3012
2567	=item $client->ext_msg ($type, @msg)	3013	=item $client->ext_msg ($type, @msg)
2568		3014
2569	Sends an ext event to the client.	3015	Sends an ext event to the client.
…		…
2571	=cut	3017	=cut
2572		3018
2573	sub cf::client::ext_msg($$@) {	3019	sub cf::client::ext_msg($$@) {
2574	my ($self, $type, @msg) = @_;	3020	my ($self, $type, @msg) = @_;
2575		3021
2576	my $extcmd = $self->extcmd;
2577
2578	if ($extcmd == 2) {	3022	if ($self->extcmd == 2) {
2579	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3023	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2580	} elsif ($extcmd == 1) { # TODO: remove	3024	} elsif ($self->extcmd == 1) { # TODO: remove
2581	push @msg, msgtype => "event_$type";	3025	push @msg, msgtype => "event_$type";
2582	$self->send_packet ("ext " . $self->{json_coder}->encode ({@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}));
2583	}	3045	}
2584	}	3046	}
2585		3047
2586	=item $success = $client->query ($flags, "text", \&cb)	3048	=item $success = $client->query ($flags, "text", \&cb)
2587		3049
…		…
2648	my ($type, $reply, @payload) =	3110	my ($type, $reply, @payload) =
2649	"ARRAY" eq ref $msg	3111	"ARRAY" eq ref $msg
2650	? @$msg	3112	? @$msg
2651	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	3113	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2652		3114
		3115	my @reply;
		3116
2653	if (my $cb = $EXTICMD{$type}) {	3117	if (my $cb = $EXTICMD{$type}) {
2654	my @reply = $cb->($ns, @payload);	3118	@reply = $cb->($ns, @payload);
2655
2656	$ns->ext_reply ($reply, @reply)
2657	if $reply;
2658	}	3119	}
		3120
		3121	$ns->ext_reply ($reply, @reply)
		3122	if $reply;
		3123
2659	} else {	3124	} else {
2660	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";
2661	}	3126	}
2662		3127
2663	cf::override;	3128	cf::override;
…		…
2685		3150
2686	$coro	3151	$coro
2687	}	3152	}
2688		3153
2689	cf::client->attach (	3154	cf::client->attach (
2690	on_destroy => sub {	3155	on_client_destroy => sub {
2691	my ($ns) = @_;	3156	my ($ns) = @_;
2692		3157
2693	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3158	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2694	},	3159	},
2695	);	3160	);
…		…
2710	our $safe = new Safe "safe";	3175	our $safe = new Safe "safe";
2711	our $safe_hole = new Safe::Hole;	3176	our $safe_hole = new Safe::Hole;
2712		3177
2713	$SIG{FPE} = 'IGNORE';	3178	$SIG{FPE} = 'IGNORE';
2714		3179
2715	$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	));
2716		3185
2717	# here we export the classes and methods available to script code	3186	# here we export the classes and methods available to script code
2718		3187
2719	=pod	3188	=pod
2720		3189
2721	The following functions and methods are available within a safe environment:	3190	The following functions and methods are available within a safe environment:
2722		3191
2723	cf::object	3192	cf::object
2724	contr pay_amount pay_player map x y force_find force_add	3193	contr pay_amount pay_player map x y force_find force_add destroy
2725	insert remove	3194	insert remove name archname title slaying race decrease split
		3195	value
2726		3196
2727	cf::object::player	3197	cf::object::player
2728	player	3198	player
2729		3199
2730	cf::player	3200	cf::player
…		…
2735		3205
2736	=cut	3206	=cut
2737		3207
2738	for (	3208	for (
2739	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3209	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2740	insert remove)],	3210	insert remove inv nrof name archname title slaying race
		3211	decrease split destroy change_exp value msg lore send_msg)],
2741	["cf::object::player" => qw(player)],	3212	["cf::object::player" => qw(player)],
2742	["cf::player" => qw(peaceful)],	3213	["cf::player" => qw(peaceful send_msg)],
2743	["cf::map" => qw(trigger)],	3214	["cf::map" => qw(trigger)],
2744	) {	3215	) {
2745	no strict 'refs';	3216	no strict 'refs';
2746	my ($pkg, @funs) = @$_;	3217	my ($pkg, @funs) = @$_;
2747	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3218	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2765		3236
2766	my $qcode = $code;	3237	my $qcode = $code;
2767	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3238	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2768	$qcode =~ s/\n/\\n/g;	3239	$qcode =~ s/\n/\\n/g;
2769		3240
		3241	%vars = (_dummy => 0) unless %vars;
		3242
		3243	my @res;
2770	local $_;	3244	local $_;
2771	local @safe::cf::_safe_eval_args = values %vars;
2772		3245
2773	my $eval =	3246	my $eval =
2774	"do {\n"	3247	"do {\n"
2775	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3248	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2776	. "#line 0 \"{$qcode}\"\n"	3249	. "#line 0 \"{$qcode}\"\n"
2777	. $code	3250	. $code
2778	. "\n}"	3251	. "\n}"
2779	;	3252	;
2780		3253
		3254	if ($CFG{safe_eval}) {
2781	sub_generation_inc;	3255	sub_generation_inc;
		3256	local @safe::cf::_safe_eval_args = values %vars;
2782	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3257	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2783	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	}
2784		3263
2785	if ($@) {	3264	if ($@) {
2786	warn "$@";	3265	warn "$@";
2787	warn "while executing safe code '$code'\n";	3266	warn "while executing safe code '$code'\n";
2788	warn "with arguments " . (join " ", %vars) . "\n";	3267	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2807	=cut	3286	=cut
2808		3287
2809	sub register_script_function {	3288	sub register_script_function {
2810	my ($fun, $cb) = @_;	3289	my ($fun, $cb) = @_;
2811		3290
2812	no strict 'refs';	3291	$fun = "safe::$fun" if $CFG{safe_eval};
2813	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3292	*$fun = $safe_hole->wrap ($cb);
2814	}	3293	}
2815		3294
2816	=back	3295	=back
2817		3296
2818	=cut	3297	=cut
…		…
2820	#############################################################################	3299	#############################################################################
2821	# the server's init and main functions	3300	# the server's init and main functions
2822		3301
2823	sub load_facedata($) {	3302	sub load_facedata($) {
2824	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;
2825		3310
2826	warn "loading facedata from $path\n";	3311	warn "loading facedata from $path\n";
2827		3312
2828	my $facedata;	3313	my $facedata;
2829	0 < aio_load $path, $facedata	3314	0 < aio_load $path, $facedata
…		…
2832	$facedata = Coro::Storable::thaw $facedata;	3317	$facedata = Coro::Storable::thaw $facedata;
2833		3318
2834	$facedata->{version} == 2	3319	$facedata->{version} == 2
2835	or cf::cleanup "$path: version mismatch, cannot proceed.";	3320	or cf::cleanup "$path: version mismatch, cannot proceed.";
2836		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
2837	{	3331	{
2838	my $faces = $facedata->{faceinfo};	3332	my $faces = $facedata->{faceinfo};
2839		3333
2840	while (my ($face, $info) = each %$faces) {	3334	while (my ($face, $info) = each %$faces) {
2841	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3335	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3336
2842	cf::face::set_visibility $idx, $info->{visibility};	3337	cf::face::set_visibility $idx, $info->{visibility};
2843	cf::face::set_magicmap $idx, $info->{magicmap};	3338	cf::face::set_magicmap $idx, $info->{magicmap};
2844	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3339	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2845	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3340	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2846		3341
2847	cf::cede_to_tick;	3342	cf::cede_to_tick;
2848	}	3343	}
2849		3344
2850	while (my ($face, $info) = each %$faces) {	3345	while (my ($face, $info) = each %$faces) {
2851	next unless $info->{smooth};	3346	next unless $info->{smooth};
		3347
2852	my $idx = cf::face::find $face	3348	my $idx = cf::face::find $face
2853	or next;	3349	or next;
		3350
2854	if (my $smooth = cf::face::find $info->{smooth}) {	3351	if (my $smooth = cf::face::find $info->{smooth}) {
2855	cf::face::set_smooth $idx, $smooth;	3352	cf::face::set_smooth $idx, $smooth;
2856	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3353	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2857	} else {	3354	} else {
2858	warn "smooth face '$info->{smooth}' not found for face '$face'";	3355	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2872		3369
2873	cf::anim::invalidate_all; # d'oh	3370	cf::anim::invalidate_all; # d'oh
2874	}	3371	}
2875		3372
2876	{	3373	{
2877	# TODO: for gcfclient pleasure, we should give resources
2878	# that gcfclient doesn't grok a >10000 face index.
2879	my $res = $facedata->{resource};	3374	my $res = $facedata->{resource};
2880	my $enc = JSON::XS->new->utf8->canonical;
2881
2882	my $soundconf = delete $res->{"res/sound.conf"};
2883		3375
2884	while (my ($name, $info) = each %$res) {	3376	while (my ($name, $info) = each %$res) {
2885	my $meta = $enc->encode ({	3377	if (defined $info->{type}) {
2886	name => $name,
2887	%{ $info->{meta} || {} },
2888	});
2889
2890	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3378	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2891		3379
2892	if ($info->{type} & 1) {
2893	# prepend meta info
2894
2895	my $data = pack "(w/a*)*", $meta, $info->{data};
2896	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2897
2898	cf::face::set_data $idx, 0, $data, $chk;	3380	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3381	cf::face::set_type $idx, $info->{type};
2899	} else {	3382	} else {
2900	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};	3383	$RESOURCE{$name} = $info;
2901	}	3384	}
2902		3385
2903	cf::face::set_type $idx, $info->{type};
2904
2905	cf::cede_to_tick;	3386	cf::cede_to_tick;
2906	}	3387	}
2907
2908	if ($soundconf) {
2909	$soundconf = $enc->decode (delete $soundconf->{data});
2910
2911	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2912	my $sound = $soundconf->{compat}[$_]
2913	or next;
2914
2915	my $face = cf::face::find "sound/$sound->[1]";
2916	cf::sound::set $sound->[0] => $face;
2917	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2918	}
2919
2920	while (my ($k, $v) = each %{$soundconf->{event}}) {
2921	my $face = cf::face::find "sound/$v";
2922	cf::sound::set $k => $face;
2923	}
2924	}
2925	}	3388	}
		3389
		3390	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2926		3391
2927	1	3392	1
2928	}	3393	}
		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	});
2929		3414
2930	register_exticmd fx_want => sub {	3415	register_exticmd fx_want => sub {
2931	my ($ns, $want) = @_;	3416	my ($ns, $want) = @_;
2932		3417
2933	while (my ($k, $v) = each %$want) {	3418	while (my ($k, $v) = each %$want) {
2934	$ns->fx_want ($k, $v);	3419	$ns->fx_want ($k, $v);
2935	}	3420	}
2936	};	3421	};
2937		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
2938	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
2939	load_resource_file "$MAPDIR/regions"	3438	load_resource_file "$MAPDIR/regions"
2940	or die "unable to load regions file\n";	3439	or die "unable to load regions file\n";
2941		3440
2942	for (cf::region::list) {	3441	for (cf::region::list) {
2943	$_->{match} = qr/$_->{match}/	3442	$_->{match} = qr/$_->{match}/
…		…
2951	}	3450	}
2952		3451
2953	sub reload_archetypes {	3452	sub reload_archetypes {
2954	load_resource_file "$DATADIR/archetypes"	3453	load_resource_file "$DATADIR/archetypes"
2955	or die "unable to load archetypes\n";	3454	or die "unable to load archetypes\n";
2956	#d# NEED to laod twice to resolve forward references
2957	# this really needs to be done in an extra post-pass
2958	# (which needs to be synchronous, so solve it differently)
2959	load_resource_file "$DATADIR/archetypes"
2960	or die "unable to load archetypes\n";
2961	}	3455	}
2962		3456
2963	sub reload_treasures {	3457	sub reload_treasures {
2964	load_resource_file "$DATADIR/treasures"	3458	load_resource_file "$DATADIR/treasures"
2965	or die "unable to load treasurelists\n";	3459	or die "unable to load treasurelists\n";
2966	}	3460	}
2967		3461
2968	sub reload_resources {	3462	sub reload_resources {
2969	warn "reloading resource files...\n";	3463	warn "reloading resource files...\n";
2970		3464
		3465	reload_facedata;
		3466	reload_archetypes;
2971	reload_regions;	3467	reload_regions;
2972	reload_facedata;
2973	#reload_archetypes;#d#
2974	reload_archetypes;
2975	reload_treasures;	3468	reload_treasures;
2976		3469
2977	warn "finished reloading resource files\n";	3470	warn "finished reloading resource files\n";
2978	}	3471	}
2979		3472
2980	sub init {	3473	sub reload_config {
2981	reload_resources;	3474	warn "reloading config file...\n";
2982	}
2983		3475
2984	sub cfg_load {
2985	open my $fh, "<:utf8", "$CONFDIR/config"	3476	open my $fh, "<:utf8", "$CONFDIR/config"
2986	or return;	3477	or return;
2987		3478
2988	local $/;	3479	local $/;
2989	*CFG = YAML::Syck::Load <$fh>;	3480	*CFG = YAML::XS::Load scalar <$fh>;
2990		3481
2991	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3482	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2992		3483
2993	$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};
2994	$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};
…		…
2998	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3489	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2999	and die "WARNING: m(un)lockall failed: $!\n";	3490	and die "WARNING: m(un)lockall failed: $!\n";
3000	};	3491	};
3001	warn $@ if $@;	3492	warn $@ if $@;
3002	}	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;
3003	}	3524	}
3004		3525
3005	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
3006	# we must not ever block the main coroutine	3541	# we must not ever block the main coroutine
3007	local $Coro::idle = sub {	3542	local $Coro::idle = sub {
3008	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#
3009	(async {	3544	(async {
3010	Event::one_event;	3545	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3546	EV::loop EV::LOOP_ONESHOT;
3011	})->prio (Coro::PRIO_MAX);	3547	})->prio (Coro::PRIO_MAX);
3012	};	3548	};
3013		3549
3014	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;
3015	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
3016	load_extensions;	3568	load_extensions;
3017		3569
3018	$TICK_WATCHER->start;	3570	utime time, time, $RUNTIMEFILE;
3019	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;
3020	}	3580	}
3021		3581
3022	#############################################################################	3582	#############################################################################
3023	# initialisation and cleanup	3583	# initialisation and cleanup
3024		3584
3025	# install some emergency cleanup handlers	3585	# install some emergency cleanup handlers
3026	BEGIN {	3586	BEGIN {
		3587	our %SIGWATCHER = ();
3027	for my $signal (qw(INT HUP TERM)) {	3588	for my $signal (qw(INT HUP TERM)) {
3028	Event->signal (	3589	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3029	reentrant => 0,
3030	data => WF_AUTOCANCEL,
3031	signal => $signal,
3032	prio => 0,
3033	cb => sub {
3034	cf::cleanup "SIG$signal";	3590	cf::cleanup "SIG$signal";
3035	},
3036	);	3591	};
3037	}	3592	}
3038	}	3593	}
3039		3594
3040	sub write_runtime {	3595	sub write_runtime_sync {
3041	my $runtime = "$LOCALDIR/runtime";	3596	my $t0 = EV::time;
3042		3597
3043	# first touch the runtime file to show we are still running:	3598	# first touch the runtime file to show we are still running:
3044	# the fsync below can take a very very long time.	3599	# the fsync below can take a very very long time.
3045		3600
3046	IO::AIO::aio_utime $runtime, undef, undef;	3601	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3047		3602
3048	my $guard = cf::lock_acquire "write_runtime";	3603	my $guard = cf::lock_acquire "write_runtime";
3049		3604
3050	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3605	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3051	or return;	3606	or return;
3052		3607
3053	my $value = $cf::RUNTIME + 90 + 10;	3608	my $value = $cf::RUNTIME + 90 + 10;
3054	# 10 is the runtime save interval, for a monotonic clock	3609	# 10 is the runtime save interval, for a monotonic clock
3055	# 60 allows for the watchdog to kill the server.	3610	# 60 allows for the watchdog to kill the server.
…		…
3065	aio_utime $fh, undef, undef;	3620	aio_utime $fh, undef, undef;
3066		3621
3067	close $fh	3622	close $fh
3068	or return;	3623	or return;
3069		3624
3070	aio_rename "$runtime~", $runtime	3625	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3071	and return;	3626	and return;
3072		3627
3073	warn "runtime file written.\n";	3628	warn sprintf "runtime file written (%gs).\n", EV::time - $t0;
3074		3629
3075	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 };
3076	}	3681	}
3077		3682
3078	sub emergency_save() {	3683	sub emergency_save() {
3079	my $freeze_guard = cf::freeze_mainloop;	3684	my $freeze_guard = cf::freeze_mainloop;
3080		3685
3081	warn "enter emergency perl save\n";	3686	warn "emergency_perl_save: enter\n";
3082		3687
3083	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
3084	# use a peculiar iteration method to avoid tripping on perl	3694	# use a peculiar iteration method to avoid tripping on perl
3085	# refcount bugs in for. also avoids problems with players	3695	# refcount bugs in for. also avoids problems with players
3086	# and maps saved/destroyed asynchronously.	3696	# and maps saved/destroyed asynchronously.
3087	warn "begin emergency player save\n";	3697	warn "emergency_perl_save: begin player save\n";
3088	for my $login (keys %cf::PLAYER) {	3698	for my $login (keys %cf::PLAYER) {
3089	my $pl = $cf::PLAYER{$login} or next;	3699	my $pl = $cf::PLAYER{$login} or next;
3090	$pl->valid or next;	3700	$pl->valid or next;
		3701	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3091	$pl->save;	3702	$pl->save;
3092	}	3703	}
3093	warn "end emergency player save\n";	3704	warn "emergency_perl_save: end player save\n";
3094		3705
3095	warn "begin emergency map save\n";	3706	warn "emergency_perl_save: begin map save\n";
3096	for my $path (keys %cf::MAP) {	3707	for my $path (keys %cf::MAP) {
3097	my $map = $cf::MAP{$path} or next;	3708	my $map = $cf::MAP{$path} or next;
3098	$map->valid or next;	3709	$map->valid or next;
3099	$map->save;	3710	$map->save;
3100	}	3711	}
3101	warn "end emergency map save\n";	3712	warn "emergency_perl_save: end map save\n";
3102		3713
3103	warn "begin emergency database checkpoint\n";	3714	warn "emergency_perl_save: begin database checkpoint\n";
3104	BDB::db_env_txn_checkpoint $DB_ENV;	3715	BDB::db_env_txn_checkpoint $DB_ENV;
3105	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";
3106	};	3721	};
3107		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
3108	warn "leave emergency perl save\n";	3728	warn "emergency_perl_save: leave\n";
3109	}	3729	}
3110		3730
3111	sub post_cleanup {	3731	sub post_cleanup {
3112	my ($make_core) = @_;	3732	my ($make_core) = @_;
3113		3733
3114	warn Carp::longmess "post_cleanup backtrace"	3734	warn Carp::longmess "post_cleanup backtrace"
3115	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 $pkg\n";#d#
3116	}	3765	}
3117		3766
3118	sub do_reload_perl() {	3767	sub do_reload_perl() {
3119	# can/must only be called in main	3768	# can/must only be called in main
3120	if ($Coro::current != $Coro::main) {	3769	if ($Coro::current != $Coro::main) {
3121	warn "can only reload from main coroutine";	3770	warn "can only reload from main coroutine";
3122	return;	3771	return;
3123	}	3772	}
3124		3773
		3774	return if $RELOAD++;
		3775
		3776	my $t1 = EV::time;
		3777
		3778	while ($RELOAD) {
3125	warn "reloading...";	3779	warn "reloading...";
3126		3780
3127	warn "entering sync_job";	3781	warn "entering sync_job";
3128		3782
3129	cf::sync_job {	3783	cf::sync_job {
3130	cf::write_runtime; # external watchdog should not bark	3784	cf::write_runtime_sync; # external watchdog should not bark
3131	cf::emergency_save;	3785	cf::emergency_save;
3132	cf::write_runtime; # external watchdog should not bark	3786	cf::write_runtime_sync; # external watchdog should not bark
3133		3787
3134	warn "syncing database to disk";	3788	warn "syncing database to disk";
3135	BDB::db_env_txn_checkpoint $DB_ENV;	3789	BDB::db_env_txn_checkpoint $DB_ENV;
3136		3790
3137	# 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
3138		3792
3139	warn "cancelling all WF_AUTOCANCEL watchers";
3140	for (Event::all_watchers) {
3141	$_->cancel if $_->data & WF_AUTOCANCEL;
3142	}
3143
3144	warn "flushing outstanding aio requests";	3793	warn "flushing outstanding aio requests";
3145	for (;;) {
3146	BDB::flush;
3147	IO::AIO::flush;
3148	Coro::cede;
3149	last unless IO::AIO::nreqs || BDB::nreqs;	3794	while (IO::AIO::nreqs || BDB::nreqs) {
3150	warn "iterate...";	3795	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3151	}
3152
3153	++$RELOAD;
3154
3155	warn "cancelling all extension coros";
3156	$_->cancel for values %EXT_CORO;
3157	%EXT_CORO = ();
3158
3159	warn "removing commands";
3160	%COMMAND = ();
3161
3162	warn "removing ext/exti commands";
3163	%EXTCMD = ();
3164	%EXTICMD = ();
3165
3166	warn "unloading/nuking all extensions";
3167	for my $pkg (@EXTS) {
3168	warn "... unloading $pkg";
3169
3170	if (my $cb = $pkg->can ("unload")) {
3171	eval {
3172	$cb->($pkg);
3173	1
3174	} or warn "$pkg unloaded, but with errors: $@";
3175	}	3796	}
3176		3797
3177	warn "... nuking $pkg";	3798	warn "cancelling all extension coros";
3178	Symbol::delete_package $pkg;	3799	$_->cancel for values %EXT_CORO;
3179	}	3800	%EXT_CORO = ();
3180		3801
3181	warn "unloading all perl modules loaded from $LIBDIR";	3802	warn "removing commands";
3182	while (my ($k, $v) = each %INC) {	3803	%COMMAND = ();
3183	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3184		3804
		3805	warn "removing ext/exti commands";
		3806	%EXTCMD = ();
		3807	%EXTICMD = ();
		3808
		3809	warn "unloading/nuking all extensions";
		3810	for my $pkg (@EXTS) {
3185	warn "... unloading $k";	3811	warn "... unloading $pkg";
3186	delete $INC{$k};
3187		3812
3188	$k =~ s/\.pm$//;
3189	$k =~ s/\//::/g;
3190
3191	if (my $cb = $k->can ("unload_module")) {	3813	if (my $cb = $pkg->can ("unload")) {
		3814	eval {
3192	$cb->();	3815	$cb->($pkg);
		3816	1
		3817	} or warn "$pkg unloaded, but with errors: $@";
		3818	}
		3819
		3820	warn "... clearing $pkg";
		3821	clear_package $pkg;
3193	}	3822	}
3194		3823
3195	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 $k;
3196	}	3839	}
3197		3840
3198	warn "getting rid of safe::, as good as possible";	3841	warn "getting rid of safe::, as good as possible";
3199	Symbol::delete_package "safe::$_"	3842	clear_package "safe::$_"
3200	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);
3201		3844
3202	warn "unloading cf.pm \"a bit\"";	3845	warn "unloading cf.pm \"a bit\"";
3203	delete $INC{"cf.pm"};	3846	delete $INC{"cf.pm"};
3204	delete $INC{"cf/pod.pm"};	3847	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3205		3848
3206	# don't, removes xs symbols, too,	3849	# don't, removes xs symbols, too,
3207	# and global variables created in xs	3850	# and global variables created in xs
3208	#Symbol::delete_package __PACKAGE__;	3851	#clear_package __PACKAGE__;
3209		3852
3210	warn "unload completed, starting to reload now";	3853	warn "unload completed, starting to reload now";
3211		3854
3212	warn "reloading cf.pm";	3855	warn "reloading cf.pm";
3213	require cf;	3856	require cf;
3214	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3857	cf::_connect_to_perl_1;
3215		3858
3216	warn "loading config and database again";	3859	warn "loading config and database again";
3217	cf::cfg_load;	3860	cf::reload_config;
3218		3861
3219	warn "loading extensions";	3862	warn "loading extensions";
3220	cf::load_extensions;	3863	cf::load_extensions;
3221		3864
		3865	if ($REATTACH_ON_RELOAD) {
3222	warn "reattaching attachments to objects/players";	3866	warn "reattaching attachments to objects/players";
3223	_global_reattach; # objects, sockets	3867	_global_reattach; # objects, sockets
3224	warn "reattaching attachments to maps";	3868	warn "reattaching attachments to maps";
3225	reattach $_ for values %MAP;	3869	reattach $_ for values %MAP;
3226	warn "reattaching attachments to players";	3870	warn "reattaching attachments to players";
3227	reattach $_ for values %PLAYER;	3871	reattach $_ for values %PLAYER;
		3872	}
3228		3873
		3874	warn "running post_init jobs";
		3875	(pop @POST_INIT)->(1) while @POST_INIT;
		3876
3229	warn "leaving sync_job";	3877	warn "leaving sync_job";
3230		3878
3231	1	3879	1
3232	} or do {	3880	} or do {
3233	warn $@;	3881	warn $@;
3234	warn "error while reloading, exiting.";	3882	cf::cleanup "error while reloading, exiting.";
3235	exit 1;
3236	};	3883	};
3237		3884
3238	warn "reloaded";	3885	warn "reloaded";
		3886	--$RELOAD;
		3887	}
		3888
		3889	$t1 = EV::time - $t1;
		3890	warn "reload completed in ${t1}s\n";
3239	};	3891	};
3240		3892
3241	our $RELOAD_WATCHER; # used only during reload	3893	our $RELOAD_WATCHER; # used only during reload
3242		3894
3243	sub reload_perl() {	3895	sub reload_perl() {
3244	# doing reload synchronously and two reloads happen back-to-back,	3896	# doing reload synchronously and two reloads happen back-to-back,
3245	# coro crashes during coro_state_free->destroy here.	3897	# coro crashes during coro_state_free->destroy here.
3246		3898
3247	$RELOAD_WATCHER ||= Event->timer (	3899	$RELOAD_WATCHER ||= cf::async {
3248	reentrant => 0,	3900	Coro::AIO::aio_wait cache_extensions;
3249	after => 0,	3901
3250	data => WF_AUTOCANCEL,	3902	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3251	cb => sub {
3252	do_reload_perl;	3903	do_reload_perl;
3253	undef $RELOAD_WATCHER;	3904	undef $RELOAD_WATCHER;
3254	},	3905	};
3255	);	3906	};
3256	}	3907	}
3257		3908
3258	register_command "reload" => sub {	3909	register_command "reload" => sub {
3259	my ($who, $arg) = @_;	3910	my ($who, $arg) = @_;
3260		3911
3261	if ($who->flag (FLAG_WIZ)) {	3912	if ($who->flag (FLAG_WIZ)) {
3262	$who->message ("reloading server.");	3913	$who->message ("reloading server.");
		3914	async {
		3915	$Coro::current->{desc} = "perl_reload";
3263	async { reload_perl };	3916	reload_perl;
		3917	};
3264	}	3918	}
3265	};	3919	};
3266		3920
3267	unshift @INC, $LIBDIR;	3921	unshift @INC, $LIBDIR;
3268		3922
…		…
3270		3924
3271	our @WAIT_FOR_TICK;	3925	our @WAIT_FOR_TICK;
3272	our @WAIT_FOR_TICK_BEGIN;	3926	our @WAIT_FOR_TICK_BEGIN;
3273		3927
3274	sub wait_for_tick {	3928	sub wait_for_tick {
3275	return unless $TICK_WATCHER->is_active;
3276	return if $Coro::current == $Coro::main;	3929	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3277		3930
3278	my $signal = new Coro::Signal;	3931	my $signal = new Coro::Signal;
3279	push @WAIT_FOR_TICK, $signal;	3932	push @WAIT_FOR_TICK, $signal;
3280	$signal->wait;	3933	$signal->wait;
3281	}	3934	}
3282		3935
3283	sub wait_for_tick_begin {	3936	sub wait_for_tick_begin {
3284	return unless $TICK_WATCHER->is_active;
3285	return if $Coro::current == $Coro::main;	3937	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3286		3938
3287	my $signal = new Coro::Signal;	3939	my $signal = new Coro::Signal;
3288	push @WAIT_FOR_TICK_BEGIN, $signal;	3940	push @WAIT_FOR_TICK_BEGIN, $signal;
3289	$signal->wait;	3941	$signal->wait;
3290	}	3942	}
3291		3943
3292	my $min = 1e6;#d#	3944	sub tick {
3293	my $avg = 10;
3294	$TICK_WATCHER = Event->timer (
3295	reentrant => 0,
3296	parked => 1,
3297	prio => 0,
3298	at => $NEXT_TICK || $TICK,
3299	data => WF_AUTOCANCEL,
3300	cb => sub {
3301	if ($Coro::current != $Coro::main) {	3945	if ($Coro::current != $Coro::main) {
3302	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3946	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3303	unless ++$bug_warning > 10;	3947	unless ++$bug_warning > 10;
3304	return;	3948	return;
3305	}	3949	}
3306		3950
3307	$NOW = $tick_start = Event::time;
3308
3309	cf::server_tick; # one server iteration	3951	cf::server_tick; # one server iteration
3310		3952
3311	0 && sync_job {#d#	3953	#for(1..3e6){} EV::now_update; $NOW=EV::now; # generate load #d#
3312	for(1..10) {
3313	my $t = Event::time;
3314	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3315	or die;
3316		3954
3317	$map->width (50);	3955	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3318	$map->height (50);	3956	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3319	$map->alloc;	3957	Coro::async_pool {
3320	$map->_load_objects ("/tmp/x.map", 1);	3958	$Coro::current->{desc} = "runtime saver";
3321	my $t = Event::time - $t;	3959	write_runtime_sync
3322		3960	or warn "ERROR: unable to write runtime file: $!";
3323	#next unless $t < 0.0013;#d#
3324	if ($t < $min) {
3325	$min = $t;
3326	}
3327	$avg = $avg * 0.99 + $t * 0.01;
3328	}
3329	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3330	exit 0;
3331	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3332	};	3961	};
		3962	}
3333		3963
3334	$RUNTIME += $TICK;
3335	$NEXT_TICK += $TICK;
3336
3337	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3338	$NEXT_RUNTIME_WRITE = $NOW + 10;
3339	Coro::async_pool {
3340	write_runtime
3341	or warn "ERROR: unable to write runtime file: $!";
3342	};
3343	}
3344
3345	# my $AFTER = Event::time;
3346	# warn $AFTER - $NOW;#d#
3347
3348	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3964	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3349	$sig->send;	3965	$sig->send;
3350	}	3966	}
3351	while (my $sig = shift @WAIT_FOR_TICK) {	3967	while (my $sig = shift @WAIT_FOR_TICK) {
3352	$sig->send;	3968	$sig->send;
3353	}	3969	}
3354		3970
3355	$NOW = Event::time;	3971	$LOAD = ($NOW - $TICK_START) / $TICK;
3356
3357	# if we are delayed by four ticks or more, skip them all
3358	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3359
3360	$TICK_WATCHER->at ($NEXT_TICK);
3361	$TICK_WATCHER->start;
3362
3363	$LOAD = ($NOW - $tick_start) / $TICK;
3364	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3972	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3365		3973
3366	_post_tick;	3974	if (0) {
3367		3975	if ($NEXT_TICK) {
3368		3976	my $jitter = $TICK_START - $NEXT_TICK;
		3977	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3978	warn "jitter $JITTER\n";#d#
		3979	}
3369	},	3980	}
3370	);	3981	}
3371		3982
3372	{	3983	{
3373	BDB::max_poll_time $TICK * 0.1;	3984	# configure BDB
3374	$BDB_POLL_WATCHER = Event->io (	3985
3375	reentrant => 0,
3376	fd => BDB::poll_fileno,
3377	poll => 'r',
3378	prio => 0,
3379	data => WF_AUTOCANCEL,
3380	cb => \&BDB::poll_cb,
3381	);
3382	BDB::min_parallel 8;	3986	BDB::min_parallel 16;
3383		3987	BDB::max_poll_reqs $TICK * 0.1;
3384	BDB::set_sync_prepare {	3988	$AnyEvent::BDB::WATCHER->priority (1);
3385	my $status;
3386	my $current = $Coro::current;
3387	(
3388	sub {
3389	$status = $!;
3390	$current->ready; undef $current;
3391	},
3392	sub {
3393	Coro::schedule while defined $current;
3394	$! = $status;
3395	},
3396	)
3397	};
3398		3989
3399	unless ($DB_ENV) {	3990	unless ($DB_ENV) {
3400	$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);
3401		3997
3402	cf::sync_job {	3998	cf::sync_job {
3403	eval {	3999	eval {
3404	BDB::db_env_open	4000	BDB::db_env_open
3405	$DB_ENV,	4001	$DB_ENV,
…		…
3407	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4003	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3408	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4004	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3409	0666;	4005	0666;
3410		4006
3411	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4007	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3412
3413	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3414	$DB_ENV->set_lk_detect;
3415	};	4008	};
3416		4009
3417	cf::cleanup "db_env_open(db): $@" if $@;	4010	cf::cleanup "db_env_open(db): $@" if $@;
3418	};	4011	};
3419	}	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	};
3420	}	4023	}
3421		4024
3422	{	4025	{
		4026	# configure IO::AIO
		4027
3423	IO::AIO::min_parallel 8;	4028	IO::AIO::min_parallel 8;
3424
3425	undef $Coro::AIO::WATCHER;
3426	IO::AIO::max_poll_time $TICK * 0.1;	4029	IO::AIO::max_poll_time $TICK * 0.1;
3427	$AIO_POLL_WATCHER = Event->io (	4030	undef $AnyEvent::AIO::WATCHER;
3428	reentrant => 0,
3429	data => WF_AUTOCANCEL,
3430	fd => IO::AIO::poll_fileno,
3431	poll => 'r',
3432	prio => 6,
3433	cb => \&IO::AIO::poll_cb,
3434	);
3435	}	4031	}
3436		4032
3437	my $_log_backtrace;	4033	my $_log_backtrace;
3438		4034
3439	sub _log_backtrace {	4035	sub _log_backtrace {
…		…
3442	$msg =~ s/\n//;	4038	$msg =~ s/\n//;
3443		4039
3444	# limit the # of concurrent backtraces	4040	# limit the # of concurrent backtraces
3445	if ($_log_backtrace < 2) {	4041	if ($_log_backtrace < 2) {
3446	++$_log_backtrace;	4042	++$_log_backtrace;
		4043	my $perl_bt = Carp::longmess $msg;
3447	async {	4044	async {
		4045	$Coro::current->{desc} = "abt $msg";
		4046
3448	my @bt = fork_call {	4047	my @bt = fork_call {
3449	@addr = map { sprintf "%x", $_ } @addr;	4048	@addr = map { sprintf "%x", $_ } @addr;
3450	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4049	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3451	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 |"
3452	or die "addr2line: $!";	4051	or die "addr2line: $!";
…		…
3460	}	4059	}
3461		4060
3462	@funcs	4061	@funcs
3463	};	4062	};
3464		4063
3465	LOG llevInfo, "[ABT] $msg\n";	4064	LOG llevInfo, "[ABT] $perl_bt\n";
		4065	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3466	LOG llevInfo, "[ABT] $_\n" for @bt;	4066	LOG llevInfo, "[ABT] $_\n" for @bt;
3467	--$_log_backtrace;	4067	--$_log_backtrace;
3468	};	4068	};
3469	} else {	4069	} else {
3470	LOG llevInfo, "[ABT] $msg\n";	4070	LOG llevInfo, "[ABT] $msg\n";
3471	LOG llevInfo, "[ABT] [suppressed]\n";	4071	LOG llevInfo, "[ABT] [suppressed]\n";
3472	}	4072	}
3473	}	4073	}
3474		4074
3475	# load additional modules	4075	# load additional modules
3476	use cf::pod;	4076	require "cf/$_.pm" for @EXTRA_MODULES;
		4077	cf::_connect_to_perl_2;
3477		4078
3478	END { cf::emergency_save }	4079	END { cf::emergency_save }
3479		4080
3480	1	4081	1
3481		4082

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