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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.314 by root, Mon Jul 23 16:53:15 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;
322	};
323	$TICK_WATCHER->stop;
324	$guard
325	}	396	}
326		397
		398	=item cf::periodic $interval, $cb
		399
		400	Like EV::periodic, but randomly selects a starting point so that the actions
		401	get spread over timer.
		402
		403	=cut
		404
		405	sub periodic($$) {
		406	my ($interval, $cb) = @_;
		407
		408	my $start = rand List::Util::min 180, $interval;
		409
		410	EV::periodic $start, $interval, 0, $cb
		411	}
		412
327	=item cf::get_slot $time[, $priority]	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>:
330	This call blocks and returns only when you have at least C<$time> seconds	416	This call blocks and returns only when you have at least C<$time> seconds
331	of cpu time till the next tick. The slot is only valid till the next cede.	417	of cpu time till the next tick. The slot is only valid till the next cede.
332		418
		419	The optional C<$name> can be used to identify the job to run. It might be
		420	used for statistical purposes and should identify the same time-class.
		421
333	Useful for short background jobs.	422	Useful for short background jobs.
334		423
335	=cut	424	=cut
336		425
337	our @SLOT_QUEUE;	426	our @SLOT_QUEUE;
338	our $SLOT_QUEUE;	427	our $SLOT_QUEUE;
		428	our $SLOT_DECAY = 0.9;
339		429
340	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	430	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
341	$SLOT_QUEUE = Coro::async {	431	$SLOT_QUEUE = Coro::async {
		432	$Coro::current->desc ("timeslot manager");
		433
342	my $signal = new Coro::Signal;	434	my $signal = new Coro::Signal;
		435	my $busy;
343		436
344	while () {	437	while () {
345	next_job:	438	next_job:
		439
346	my $avail = cf::till_tick;	440	my $avail = cf::till_tick;
347	if ($avail > 0.01) {	441
348	for (0 .. $#SLOT_QUEUE) {	442	for (0 .. $#SLOT_QUEUE) {
349	if ($SLOT_QUEUE[$_][0] < $avail) {	443	if ($SLOT_QUEUE[$_][0] <= $avail) {
		444	$busy = 0;
350	my $job = splice @SLOT_QUEUE, $_, 1, ();	445	my $job = splice @SLOT_QUEUE, $_, 1, ();
351	$job->[2]->send;	446	$job->[2]->send;
352	Coro::cede;	447	Coro::cede;
353	goto next_job;	448	goto next_job;
354	}	449	} else {
		450	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
355	}	451	}
356	}	452	}
357		453
358	if (@SLOT_QUEUE) {	454	if (@SLOT_QUEUE) {
359	# 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
360	push @cf::WAIT_FOR_TICK, $signal;	456	push @cf::WAIT_FOR_TICK, $signal;
361	$signal->wait;	457	$signal->wait;
362	} else {	458	} else {
		459	$busy = 0;
363	Coro::schedule;	460	Coro::schedule;
364	}	461	}
365	}	462	}
366	};	463	};
367		464
368	sub get_slot($;$) {	465	sub get_slot($;$$) {
		466	return if tick_inhibit || $Coro::current == $Coro::main;
		467
369	my ($time, $pri) = @_;	468	my ($time, $pri, $name) = @_;
370		469
		470	$time = clamp $time, 0.01, $TICK * .6;
		471
		472	my $sig = new Coro::Signal;
		473
371	push @SLOT_QUEUE, [$time, $pri, my $sig = new Coro::Signal];	474	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
372	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	475	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
373	$SLOT_QUEUE->ready;	476	$SLOT_QUEUE->ready;
374	$sig->wait;	477	$sig->wait;
375	}	478	}
376		479
…		…
384		487
385	BEGIN { *async = \&Coro::async_pool }	488	BEGIN { *async = \&Coro::async_pool }
386		489
387	=item cf::sync_job { BLOCK }	490	=item cf::sync_job { BLOCK }
388		491
389	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	492	The design of Deliantra requires that the main coroutine ($Coro::main)
390	is always able to handle events or runnable, as Crossfire TRT is only	493	is always able to handle events or runnable, as Deliantra is only
391	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	494	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
392	acceptable.	495	acceptable.
393		496
394	If it must be done, put the blocking parts into C<sync_job>. This will run	497	If it must be done, put the blocking parts into C<sync_job>. This will run
395	the given BLOCK in another coroutine while waiting for the result. The	498	the given BLOCK in another coroutine while waiting for the result. The
…		…
400		503
401	sub sync_job(&) {	504	sub sync_job(&) {
402	my ($job) = @_;	505	my ($job) = @_;
403		506
404	if ($Coro::current == $Coro::main) {	507	if ($Coro::current == $Coro::main) {
405	my $time = Event::time;	508	my $time = EV::time;
406		509
407	# this is the main coro, too bad, we have to block	510	# this is the main coro, too bad, we have to block
408	# till the operation succeeds, freezing the server :/	511	# till the operation succeeds, freezing the server :/
409		512
410	# TODO: use suspend/resume instead	513	LOG llevError, Carp::longmess "sync job";#d#
411	# (but this is cancel-safe)	514
412	my $freeze_guard = freeze_mainloop;	515	my $freeze_guard = freeze_mainloop;
413		516
414	my $busy = 1;	517	my $busy = 1;
415	my @res;	518	my @res;
416		519
417	(async {	520	(async {
		521	$Coro::current->desc ("sync job coro");
418	@res = eval { $job->() };	522	@res = eval { $job->() };
419	warn $@ if $@;	523	warn $@ if $@;
420	undef $busy;	524	undef $busy;
421	})->prio (Coro::PRIO_MAX);	525	})->prio (Coro::PRIO_MAX);
422		526
423	while ($busy) {	527	while ($busy) {
424	Coro::cede or Event::one_event;	528	if (Coro::nready) {
		529	Coro::cede_notself;
		530	} else {
		531	EV::loop EV::LOOP_ONESHOT;
425	}	532	}
		533	}
426		534
427	$time = Event::time - $time;	535	my $time = EV::time - $time;
428		536
429	LOG llevError | logBacktrace, Carp::longmess "long sync job"
430	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
431
432	$tick_start += $time; # do not account sync jobs to server load	537	$TICK_START += $time; # do not account sync jobs to server load
433		538
434	wantarray ? @res : $res[0]	539	wantarray ? @res : $res[0]
435	} else {	540	} else {
436	# we are in another coroutine, how wonderful, everything just works	541	# we are in another coroutine, how wonderful, everything just works
437		542
…		…
462	=item fork_call { }, $args	567	=item fork_call { }, $args
463		568
464	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
465	process, returning the results. Everything must be serialisable with	570	process, returning the results. Everything must be serialisable with
466	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
467	never block itself or use any form of Event handling.	572	never block itself or use any form of event handling.
468		573
469	=cut	574	=cut
470
471	sub _store_scalar {
472	open my $fh, ">", \my $buf
473	or die "fork_call: cannot open fh-to-buf in child : $!";
474	Storable::store_fd $_[0], $fh;
475	close $fh;
476
477	$buf
478	}
479		575
480	sub fork_call(&@) {	576	sub fork_call(&@) {
481	my ($cb, @args) = @_;	577	my ($cb, @args) = @_;
482		578
483	# 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,
484	# or die "socketpair: $!";	580	# otherwise perl prematurely frees the stuff :/
485	pipe my $fh1, my $fh2	581	# TODO: investigate and fix (likely this will be rather laborious)
486	or die "pipe: $!";
487		582
488	if (my $pid = fork) {	583	my @res = Coro::Util::fork_eval {
489	close $fh2;
490
491	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
492	warn "pst<$res>" unless $res =~ /^pst/;
493	$res = Coro::Storable::thaw $res;
494
495	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
496
497	Carp::confess $$res unless "ARRAY" eq ref $res;
498
499	return wantarray ? @$res : $res->[-1];
500	} else {
501	reset_signals;	584	reset_signals;
502	local $SIG{__WARN__};	585	&$cb
503	local $SIG{__DIE__};	586	}, @args;
504	# just in case, this hack effectively disables event
505	# in the child. cleaner and slower would be canceling all watchers,
506	# but this works for the time being.
507	local $Coro::idle;
508	$Coro::current->prio (Coro::PRIO_MAX);
509		587
510	eval {	588	wantarray ? @res : $res[-1]
511	close $fh1;	589	}
512		590
513	my @res = eval { $cb->(@args) };	591	=item $coin = coin_from_name $name
514		592
515	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;	593	=cut
516	close $fh2;
517	};
518		594
519	warn $@ if $@;	595	our %coin_alias = (
520	_exit 0;	596	"silver" => "silvercoin",
521	}	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
522	}	616	}
523		617
524	=item $value = cf::db_get $family => $key	618	=item $value = cf::db_get $family => $key
525		619
526	Returns a single value from the environment database.	620	Returns a single value from the environment database.
…		…
528	=item cf::db_put $family => $key => $value	622	=item cf::db_put $family => $key => $value
529		623
530	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
531	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).
532		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
533	=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	}
534		650
535	our $DB;	651	our $DB;
536		652
537	sub db_init {	653	sub db_init {
538	unless ($DB) {
539	$DB = BDB::db_create $DB_ENV;
540
541	cf::sync_job {	654	cf::sync_job {
542	eval {	655	$DB ||= db_table "db";
543	$DB->set_flags (BDB::CHKSUM);
544
545	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
546	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
547	cf::cleanup "db_open(db): $!" if $!;
548	};
549	cf::cleanup "db_open(db): $@" if $@;
550	};
551	}	656	};
552	}	657	}
553		658
554	sub db_get($$) {	659	sub db_get($$) {
555	my $key = "$_[0]/$_[1]";	660	my $key = "$_[0]/$_[1]";
556		661
…		…
606	if (1) {	711	if (1) {
607	$md5 =	712	$md5 =
608	join "\x00",	713	join "\x00",
609	$processversion,	714	$processversion,
610	map {	715	map {
611	Coro::cede;	716	cf::cede_to_tick;
612	($src->[$_], Digest::MD5::md5_hex $data[$_])	717	($src->[$_], Digest::MD5::md5_hex $data[$_])
613	} 0.. $#$src;	718	} 0.. $#$src;
614		719
615		720
616	my $dbmd5 = db_get cache => "$id/md5";	721	my $dbmd5 = db_get cache => "$id/md5";
…		…
654		759
655	#############################################################################	760	#############################################################################
656		761
657	=head2 ATTACHABLE OBJECTS	762	=head2 ATTACHABLE OBJECTS
658		763
659	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
660	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")
661	to it. All such attachable objects support the following methods.	766	to it. All such attachable objects support the following methods.
662		767
663	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>
664	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
665	Crossfire TRT).	770	Deliantra).
666		771
667	=over 4	772	=over 4
668		773
669	=item $attachable->attach ($attachment, key => $value...)	774	=item $attachable->attach ($attachment, key => $value...)
670		775
…		…
714	=item cf::CLASS::attachment $name, ...	819	=item cf::CLASS::attachment $name, ...
715		820
716	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
717	given CLASS can refer to this attachment.	822	given CLASS can refer to this attachment.
718		823
719	Some classes such as crossfire maps and objects can specify attachments	824	Some classes such as deliantra maps and objects can specify attachments
720	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.
721		826
722	These calls expect any number of the following handler/hook descriptions:	827	These calls expect any number of the following handler/hook descriptions:
723		828
724	=over 4	829	=over 4
…		…
952	}	1057	}
953		1058
954	0	1059	0
955	}	1060	}
956		1061
957	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1062	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
958		1063
959	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1064	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
960		1065
961	Generate an object-specific event with the given arguments.	1066	Generate an object-specific event with the given arguments.
962		1067
…		…
968		1073
969	=cut	1074	=cut
970		1075
971	#############################################################################	1076	#############################################################################
972	# object support	1077	# object support
973	#
974		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#
975	sub _can_merge {	1112	sub _can_merge {
976	my ($ob1, $ob2) = @_;	1113	my ($ob1, $ob2) = @_;
977		1114
978	local $Storable::canonical = 1;	1115	++$SLOW_MERGES;#d#
979	my $fob1 = Storable::freeze $ob1;
980	my $fob2 = Storable::freeze $ob2;
981		1116
982	$fob1 eq $fob2	1117	# we do the slow way here
		1118	return _object_equal $ob1, $ob2
983	}	1119	}
984		1120
985	sub reattach {	1121	sub reattach {
986	# basically do the same as instantiate, without calling instantiate	1122	# basically do the same as instantiate, without calling instantiate
987	my ($obj) = @_;	1123	my ($obj) = @_;
988		1124
		1125	# no longer needed after getting rid of delete_package?
989	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
990		1127
991	my $registry = $obj->registry;	1128	my $registry = $obj->registry;
992		1129
993	@$registry = ();	1130	@$registry = ();
994		1131
…		…
1009	cf::attachable->attach (	1146	cf::attachable->attach (
1010	prio => -1000000,	1147	prio => -1000000,
1011	on_instantiate => sub {	1148	on_instantiate => sub {
1012	my ($obj, $data) = @_;	1149	my ($obj, $data) = @_;
1013		1150
1014	$data = from_json $data;	1151	$data = decode_json $data;
1015		1152
1016	for (@$data) {	1153	for (@$data) {
1017	my ($name, $args) = @$_;	1154	my ($name, $args) = @$_;
1018		1155
1019	$obj->attach ($name, %{$args || {} });	1156	$obj->attach ($name, %{$args || {} });
…		…
1035	sub object_freezer_save {	1172	sub object_freezer_save {
1036	my ($filename, $rdata, $objs) = @_;	1173	my ($filename, $rdata, $objs) = @_;
1037		1174
1038	sync_job {	1175	sync_job {
1039	if (length $$rdata) {	1176	if (length $$rdata) {
		1177	utf8::decode (my $decname = $filename);
1040	warn sprintf "saving %s (%d,%d)\n",	1178	warn sprintf "saving %s (%d,%d)\n",
1041	$filename, length $$rdata, scalar @$objs;	1179	$decname, length $$rdata, scalar @$objs;
1042		1180
1043	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1181	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1044	chmod SAVE_MODE, $fh;	1182	aio_chmod $fh, SAVE_MODE;
1045	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1183	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1046	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	}
1047	close $fh;	1188	aio_close $fh;
1048		1189
1049	if (@$objs) {	1190	if (@$objs) {
1050	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) {
1051	chmod SAVE_MODE, $fh;	1192	aio_chmod $fh, SAVE_MODE;
1052	my $data = Storable::nfreeze { version => 1, objs => $objs };	1193	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1053	aio_write $fh, 0, (length $data), $data, 0;	1194	aio_write $fh, 0, (length $data), $data, 0;
1054	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	}
1055	close $fh;	1199	aio_close $fh;
1056	aio_rename "$filename.pst~", "$filename.pst";	1200	aio_rename "$filename.pst~", "$filename.pst";
1057	}	1201	}
1058	} else {	1202	} else {
1059	aio_unlink "$filename.pst";	1203	aio_unlink "$filename.pst";
1060	}	1204	}
1061		1205
1062	aio_rename "$filename~", $filename;	1206	aio_rename "$filename~", $filename;
		1207
		1208	$filename =~ s%/[^/]+$%%;
		1209	aio_pathsync $filename if $cf::USE_FSYNC;
1063	} else {	1210	} else {
1064	warn "FATAL: $filename~: $!\n";	1211	warn "unable to save objects: $filename~: $!\n";
1065	}	1212	}
1066	} else {	1213	} else {
1067	aio_unlink $filename;	1214	aio_unlink $filename;
1068	aio_unlink "$filename.pst";	1215	aio_unlink "$filename.pst";
1069	}	1216	}
1070	}	1217	};
1071	}	1218	}
1072		1219
1073	sub object_freezer_as_string {	1220	sub object_freezer_as_string {
1074	my ($rdata, $objs) = @_;	1221	my ($rdata, $objs) = @_;
1075		1222
…		…
1087	or return;	1234	or return;
1088		1235
1089	unless (aio_stat "$filename.pst") {	1236	unless (aio_stat "$filename.pst") {
1090	(aio_load "$filename.pst", $av) >= 0	1237	(aio_load "$filename.pst", $av) >= 0
1091	or return;	1238	or return;
		1239
1092	$av = eval { (Storable::thaw $av)->{objs} };	1240	my $st = eval { Coro::Storable::thaw $av };
		1241	$av = $st->{objs};
1093	}	1242	}
1094		1243
		1244	utf8::decode (my $decname = $filename);
1095	warn sprintf "loading %s (%d)\n",	1245	warn sprintf "loading %s (%d,%d)\n",
1096	$filename, length $data, scalar @{$av || []};	1246	$decname, length $data, scalar @{$av || []};
		1247
1097	return ($data, $av);	1248	($data, $av)
1098	}	1249	}
1099		1250
1100	=head2 COMMAND CALLBACKS	1251	=head2 COMMAND CALLBACKS
1101		1252
1102	=over 4	1253	=over 4
…		…
1156	my ($name, $cb) = @_;	1307	my ($name, $cb) = @_;
1157		1308
1158	$EXTICMD{$name} = $cb;	1309	$EXTICMD{$name} = $cb;
1159	}	1310	}
1160		1311
		1312	use File::Glob ();
		1313
1161	cf::player->attach (	1314	cf::player->attach (
1162	on_command => sub {	1315	on_unknown_command => sub {
1163	my ($pl, $name, $params) = @_;	1316	my ($pl, $name, $params) = @_;
1164		1317
1165	my $cb = $COMMAND{$name}	1318	my $cb = $COMMAND{$name}
1166	or return;	1319	or return;
1167		1320
…		…
1175	my ($pl, $buf) = @_;	1328	my ($pl, $buf) = @_;
1176		1329
1177	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1330	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1178		1331
1179	if (ref $msg) {	1332	if (ref $msg) {
		1333	my ($type, $reply, @payload) =
		1334	"ARRAY" eq ref $msg
		1335	? @$msg
		1336	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1337
		1338	my @reply;
		1339
1180	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1340	if (my $cb = $EXTCMD{$type}) {
1181	if (my %reply = $cb->($pl, $msg)) {	1341	@reply = $cb->($pl, @payload);
1182	$pl->ext_reply ($msg->{msgid}, %reply);
1183	}
1184	}	1342	}
		1343
		1344	$pl->ext_reply ($reply, @reply)
		1345	if $reply;
		1346
1185	} else {	1347	} else {
1186	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1348	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1187	}	1349	}
1188		1350
1189	cf::override;	1351	cf::override;
1190	},	1352	},
1191	);	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	}
1192		1367
1193	sub load_extensions {	1368	sub load_extensions {
1194	cf::sync_job {	1369	cf::sync_job {
1195	my %todo;	1370	my %todo;
1196		1371
…		…
1216		1391
1217	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1392	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1218	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1393	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1219		1394
1220	$ext{source} =	1395	$ext{source} =
1221	"package $pkg; use strict; use utf8;\n"	1396	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1222	. "#line 1 \"$path\"\n{\n"	1397	. "#line 1 \"$path\"\n{\n"
1223	. $source	1398	. $source
1224	. "\n};\n1";	1399	. "\n};\n1";
1225		1400
1226	$todo{$base} = \%ext;	1401	$todo{$base} = \%ext;
1227	}	1402	}
1228		1403
		1404	my $pass = 0;
1229	my %done;	1405	my %done;
1230	while (%todo) {	1406	while (%todo) {
1231	my $progress;	1407	my $progress;
1232		1408
		1409	++$pass;
		1410
		1411	ext:
1233	while (my ($k, $v) = each %todo) {	1412	while (my ($k, $v) = each %todo) {
1234	for (split /,\s*/, $v->{meta}{depends}) {	1413	for (split /,\s*/, $v->{meta}{depends}) {
1235	goto skip	1414	next ext
1236	unless exists $done{$_};	1415	unless exists $done{$_};
1237	}	1416	}
1238		1417
1239	warn "... loading '$k' into '$v->{pkg}'\n";	1418	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1240		1419
1241	unless (eval $v->{source}) {	1420	my $active = eval $v->{source};
		1421
		1422	if (length $@) {
1242	my $msg = $@ ? "$v->{path}: $@\n"	1423	warn "$v->{path}: $@\n";
1243	: "$v->{base}: extension inactive.\n";
1244		1424
		1425	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1245	if (exists $v->{meta}{mandatory}) {	1426	if exists $v->{meta}{mandatory};
1246	warn $msg;	1427	} else {
1247	warn "mandatory extension failed to load, exiting.\n";	1428	$done{$k} = delete $todo{$k};
1248	exit 1;	1429	push @EXTS, $v->{pkg};
1249	}	1430	$progress = 1;
1250		1431
1251	warn $msg;	1432	warn "$v->{base}: extension inactive.\n"
		1433	unless $active;
1252	}	1434	}
1253
1254	$done{$k} = delete $todo{$k};
1255	push @EXTS, $v->{pkg};
1256	$progress = 1;
1257	}	1435	}
1258		1436
1259	skip:	1437	unless ($progress) {
1260	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1438	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1261	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	}
1262	}	1445	}
1263	};	1446	};
1264	}	1447	}
1265		1448
1266	#############################################################################	1449	#############################################################################
1267		1450
1268	=back	1451	=back
1269		1452
1270	=head2 CORE EXTENSIONS	1453	=head2 CORE EXTENSIONS
1271		1454
1272	Functions and methods that extend core crossfire objects.	1455	Functions and methods that extend core deliantra objects.
1273		1456
1274	=cut	1457	=cut
1275		1458
1276	package cf::player;	1459	package cf::player;
1277		1460
1278	use Coro::AIO;	1461	use Coro::AIO;
1279		1462
1280	=head3 cf::player	1463	=head3 cf::player
1281		1464
1282	=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	}
1283		1480
1284	=item cf::player::find $login	1481	=item cf::player::find $login
1285		1482
1286	Returns the given player object, loading it if necessary (might block).	1483	Returns the given player object, loading it if necessary (might block).
1287		1484
…		…
1306		1503
1307	sub exists($) {	1504	sub exists($) {
1308	my ($login) = @_;	1505	my ($login) = @_;
1309		1506
1310	$cf::PLAYER{$login}	1507	$cf::PLAYER{$login}
1311	or cf::sync_job { !aio_stat path $login }	1508	or !aio_stat path $login
1312	}	1509	}
1313		1510
1314	sub find($) {	1511	sub find($) {
1315	return $cf::PLAYER{$_[0]} || do {	1512	return $cf::PLAYER{$_[0]} || do {
1316	my $login = $_[0];	1513	my $login = $_[0];
…		…
1323	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1520	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1324	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1521	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1325	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1522	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1326	aio_unlink +(playerdir $login) . "/$login.pl";	1523	aio_unlink +(playerdir $login) . "/$login.pl";
1327		1524
1328	my $pl = load_pl path $login	1525	my $f = new_from_file cf::object::thawer path $login
1329	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;
1330	$cf::PLAYER{$login} = $pl	1533	$cf::PLAYER{$login} = $pl
1331	}	1534	}
1332	}	1535	}
1333	}	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	);
1334		1550
1335	sub save($) {	1551	sub save($) {
1336	my ($pl) = @_;	1552	my ($pl) = @_;
1337		1553
1338	return if $pl->{deny_save};	1554	return if $pl->{deny_save};
…		…
1343	return if $pl->{deny_save};	1559	return if $pl->{deny_save};
1344		1560
1345	aio_mkdir playerdir $pl, 0770;	1561	aio_mkdir playerdir $pl, 0770;
1346	$pl->{last_save} = $cf::RUNTIME;	1562	$pl->{last_save} = $cf::RUNTIME;
1347		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
1348	$pl->save_pl ($path);	1569	$pl->save_pl ($path);
1349	Coro::cede;	1570	cf::cede_to_tick;
1350	}	1571	}
1351		1572
1352	sub new($) {	1573	sub new($) {
1353	my ($login) = @_;	1574	my ($login) = @_;
1354		1575
…		…
1360	$cf::PLAYER{$login} = $self;	1581	$cf::PLAYER{$login} = $self;
1361		1582
1362	$self	1583	$self
1363	}	1584	}
1364		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
1365	=item $pl->quit_character	1596	=item $pl->quit_character
1366		1597
1367	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
1368	be destroyed. May block for a long time.	1599	be destroyed. May block for a long time.
1369		1600
…		…
1373	my ($pl) = @_;	1604	my ($pl) = @_;
1374		1605
1375	my $name = $pl->ob->name;	1606	my $name = $pl->ob->name;
1376		1607
1377	$pl->{deny_save} = 1;	1608	$pl->{deny_save} = 1;
1378	$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
1379		1610
1380	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1611	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1381	$pl->deactivate;	1612	$pl->deactivate;
		1613	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1614	$pl->ob->check_score;
1382	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1615	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1383	$pl->ns->destroy if $pl->ns;	1616	$pl->ns->destroy if $pl->ns;
1384		1617
1385	my $path = playerdir $pl;	1618	my $path = playerdir $pl;
1386	my $temp = "$path~$cf::RUNTIME~deleting~";	1619	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1422	or return [];	1655	or return [];
1423		1656
1424	my @logins;	1657	my @logins;
1425		1658
1426	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") {
1427	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1665	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1428	aio_read $fh, 0, 512, my $buf, 0 or next;	1666	aio_read $fh, 0, 512, my $buf, 0 or next;
1429	$buf !~ /^password -------------$/m or next; # official not-valid tag	1667	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1668	}
1430		1669
1431	utf8::decode $login;	1670	utf8::decode $login;
1432	push @logins, $login;	1671	push @logins, $login;
1433	}	1672	}
1434		1673
…		…
1461	}	1700	}
1462		1701
1463	\@paths	1702	\@paths
1464	}	1703	}
1465		1704
1466	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1705	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1467		1706
1468	Expand crossfire pod fragments into protocol xml.	1707	Expand deliantra pod fragments into protocol xml.
1469		1708
1470	=cut
1471
1472	sub expand_cfpod {
1473	((my $self), (local $_)) = @_;
1474
1475	# escape & and <
1476	s/&/&amp;/g;
1477	s/(?<![BIUGH])</&lt;/g;
1478
1479	# this is buggy, it needs to properly take care of nested <'s
1480
1481	1 while
1482	# replace B<>, I<>, U<> etc.
1483	s/B<([^\>]*)>/<b>$1<\/b>/
1484	|| s/I<([^\>]*)>/<i>$1<\/i>/
1485	|| s/U<([^\>]*)>/<u>$1<\/u>/
1486	# replace G<male|female> tags
1487	|| s{G<([^>|]*)\|([^>]*)>}{
1488	$self->gender ? $2 : $1
1489	}ge
1490	# replace H<hint text>
1491	|| s{H<([^\>]*)>}
1492	{
1493	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1494	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1495	"")
1496	[$self->{hintmode}]
1497	}ge;
1498
1499	# create single paragraphs (very hackish)
1500	s/(?<=\S)\n(?=\w)/ /g;
1501
1502	# compress some whitespace
1503	s/\s+\n/\n/g; # ws line-ends
1504	s/\n\n+/\n/g; # double lines
1505	s/^\n+//; # beginning lines
1506	s/\n+$//; # ending lines
1507
1508	$_
1509	}
1510
1511	sub hintmode {
1512	$_[0]{hintmode} = $_[1] if @_ > 1;
1513	$_[0]{hintmode}
1514	}
1515
1516	=item $player->ext_reply ($msgid, %msg)	1709	=item $player->ext_reply ($msgid, @msg)
1517		1710
1518	Sends an ext reply to the player.	1711	Sends an ext reply to the player.
1519		1712
1520	=cut	1713	=cut
1521		1714
1522	sub ext_reply($$%) {	1715	sub ext_reply($$@) {
1523	my ($self, $id, %msg) = @_;	1716	my ($self, $id, @msg) = @_;
1524		1717
1525	$msg{msgid} = $id;	1718	$self->ns->ext_reply ($id, @msg)
1526	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1527	}	1719	}
1528		1720
1529	=item $player->ext_event ($type, %msg)	1721	=item $player->ext_msg ($type, @msg)
1530		1722
1531	Sends an ext event to the client.	1723	Sends an ext event to the client.
1532		1724
1533	=cut	1725	=cut
1534		1726
1535	sub ext_event($$%) {	1727	sub ext_msg($$@) {
1536	my ($self, $type, %msg) = @_;	1728	my ($self, $type, @msg) = @_;
1537		1729
1538	$self->ns->ext_event ($type, %msg);	1730	$self->ns->ext_msg ($type, @msg);
1539	}	1731	}
1540		1732
1541	=head3 cf::region	1733	=head3 cf::region
1542		1734
1543	=over 4	1735	=over 4
…		…
1587	our $MAX_RESET = 3600;	1779	our $MAX_RESET = 3600;
1588	our $DEFAULT_RESET = 3000;	1780	our $DEFAULT_RESET = 3000;
1589		1781
1590	sub generate_random_map {	1782	sub generate_random_map {
1591	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
1592	# mit "rum" bekleckern, nicht	1787	# mit "rum" bekleckern, nicht
1593	$self->_create_random_map (	1788	$self->_create_random_map (
1594	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1789	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1595	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1790	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1596	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1791	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1597	$rmp->{exit_on_final_map},	1792	$rmp->{exit_on_final_map},
1598	$rmp->{xsize}, $rmp->{ysize},	1793	$rmp->{xsize}, $rmp->{ysize},
1599	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1794	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1600	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1795	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1718		1913
1719	# the temporary/swap location	1914	# the temporary/swap location
1720	sub save_path {	1915	sub save_path {
1721	my ($self) = @_;	1916	my ($self) = @_;
1722		1917
1723	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1918	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1724	"$TMPDIR/$path.map"	1919	"$TMPDIR/$path.map"
1725	}	1920	}
1726		1921
1727	# the unique path, undef == no special unique path	1922	# the unique path, undef == no special unique path
1728	sub uniq_path {	1923	sub uniq_path {
1729	my ($self) = @_;	1924	my ($self) = @_;
1730		1925
1731	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1926	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1732	"$UNIQUEDIR/$path"	1927	"$UNIQUEDIR/$path"
1733	}
1734
1735	# and all this just because we cannot iterate over
1736	# all maps in C++...
1737	sub change_all_map_light {
1738	my ($change) = @_;
1739
1740	$_->change_map_light ($change)
1741	for grep $_->outdoor, values %cf::MAP;
1742	}	1928	}
1743		1929
1744	sub decay_objects {	1930	sub decay_objects {
1745	my ($self) = @_;	1931	my ($self) = @_;
1746		1932
…		…
1759		1945
1760	sub load_header_from($) {	1946	sub load_header_from($) {
1761	my ($self, $path) = @_;	1947	my ($self, $path) = @_;
1762		1948
1763	utf8::encode $path;	1949	utf8::encode $path;
1764	#aio_open $path, O_RDONLY, 0	1950	my $f = new_from_file cf::object::thawer $path
1765	# or return;
1766
1767	$self->_load_header ($path)
1768	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;
1769		1958
1770	$self->{load_path} = $path;	1959	$self->{load_path} = $path;
1771		1960
1772	1	1961	1
1773	}	1962	}
…		…
1827	sub find {	2016	sub find {
1828	my ($path, $origin) = @_;	2017	my ($path, $origin) = @_;
1829		2018
1830	$path = normalise $path, $origin && $origin->path;	2019	$path = normalise $path, $origin && $origin->path;
1831		2020
		2021	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1832	cf::lock_wait "map_find:$path";	2022	my $guard2 = cf::lock_acquire "map_find:$path";
1833		2023
1834	$cf::MAP{$path} || do {	2024	$cf::MAP{$path} || do {
1835	my $guard = cf::lock_acquire "map_find:$path";
1836	my $map = new_from_path cf::map $path	2025	my $map = new_from_path cf::map $path
1837	or return;	2026	or return;
1838		2027
1839	$map->{last_save} = $cf::RUNTIME;	2028	$map->{last_save} = $cf::RUNTIME;
1840		2029
…		…
1842	or return;	2031	or return;
1843		2032
1844	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2033	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1845	# doing this can freeze the server in a sync job, obviously	2034	# doing this can freeze the server in a sync job, obviously
1846	#$cf::WAIT_FOR_TICK->wait;	2035	#$cf::WAIT_FOR_TICK->wait;
		2036	undef $guard2;
		2037	undef $guard1;
1847	$map->reset;	2038	$map->reset;
1848	undef $guard;
1849	return find $path;	2039	return find $path;
1850	}	2040	}
1851		2041
1852	$cf::MAP{$path} = $map	2042	$cf::MAP{$path} = $map
1853	}	2043	}
1854	}	2044	}
1855		2045
1856	sub pre_load { }	2046	sub pre_load { }
1857	sub post_load { }	2047	#sub post_load { } # XS
1858		2048
1859	sub load {	2049	sub load {
1860	my ($self) = @_;	2050	my ($self) = @_;
1861		2051
1862	local $self->{deny_reset} = 1; # loading can take a long time	2052	local $self->{deny_reset} = 1; # loading can take a long time
1863		2053
1864	my $path = $self->{path};	2054	my $path = $self->{path};
1865		2055
1866	{	2056	{
1867	my $guard = cf::lock_acquire "map_load:$path";	2057	my $guard = cf::lock_acquire "map_data:$path";
1868		2058
		2059	return unless $self->valid;
1869	return if $self->in_memory != cf::MAP_SWAPPED;	2060	return unless $self->in_memory == cf::MAP_SWAPPED;
1870		2061
1871	$self->in_memory (cf::MAP_LOADING);	2062	$self->in_memory (cf::MAP_LOADING);
1872		2063
1873	$self->alloc;	2064	$self->alloc;
1874		2065
1875	$self->pre_load;	2066	$self->pre_load;
1876	Coro::cede;	2067	cf::cede_to_tick;
1877		2068
		2069	my $f = new_from_file cf::object::thawer $self->{load_path};
		2070	$f->skip_block;
1878	$self->_load_objects ($self->{load_path}, 1)	2071	$self->_load_objects ($f)
1879	or return;	2072	or return;
1880		2073
1881	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2074	$self->post_load_original
1882	if delete $self->{load_original};	2075	if delete $self->{load_original};
1883		2076
1884	if (my $uniq = $self->uniq_path) {	2077	if (my $uniq = $self->uniq_path) {
1885	utf8::encode $uniq;	2078	utf8::encode $uniq;
1886	if (aio_open $uniq, O_RDONLY, 0) {	2079	unless (aio_stat $uniq) {
		2080	if (my $f = new_from_file cf::object::thawer $uniq) {
1887	$self->clear_unique_items;	2081	$self->clear_unique_items;
1888	$self->_load_objects ($uniq, 0);	2082	$self->_load_objects ($f);
		2083	$f->resolve_delayed_derefs;
		2084	}
1889	}	2085	}
1890	}	2086	}
1891		2087
1892	Coro::cede;	2088	$f->resolve_delayed_derefs;
		2089
		2090	cf::cede_to_tick;
1893	# now do the right thing for maps	2091	# now do the right thing for maps
1894	$self->link_multipart_objects;	2092	$self->link_multipart_objects;
1895	$self->difficulty ($self->estimate_difficulty)	2093	$self->difficulty ($self->estimate_difficulty)
1896	unless $self->difficulty;	2094	unless $self->difficulty;
1897	Coro::cede;	2095	cf::cede_to_tick;
1898		2096
1899	unless ($self->{deny_activate}) {	2097	unless ($self->{deny_activate}) {
1900	$self->decay_objects;	2098	$self->decay_objects;
1901	$self->fix_auto_apply;	2099	$self->fix_auto_apply;
1902	$self->update_buttons;	2100	$self->update_buttons;
1903	Coro::cede;	2101	cf::cede_to_tick;
1904	$self->set_darkness_map;
1905	Coro::cede;
1906	$self->activate;	2102	$self->activate;
1907	}	2103	}
1908		2104
		2105	$self->{last_save} = $cf::RUNTIME;
		2106	$self->last_access ($cf::RUNTIME);
		2107
1909	$self->in_memory (cf::MAP_IN_MEMORY);	2108	$self->in_memory (cf::MAP_ACTIVE);
1910	}	2109	}
1911		2110
1912	$self->post_load;	2111	$self->post_load;
1913	}	2112	}
1914		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
1915	sub customise_for {	2117	sub customise_for {
1916	my ($self, $ob) = @_;	2118	my ($self, $ob) = @_;
1917		2119
1918	return find "~" . $ob->name . "/" . $self->{path}	2120	return find "~" . $ob->name . "/" . $self->{path}
1919	if $self->per_player;	2121	if $self->per_player;
…		…
1923		2125
1924	$self	2126	$self
1925	}	2127	}
1926		2128
1927	# 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
1928	sub load_diag {	2130	sub load_neighbours {
1929	my ($map) = @_;	2131	my ($map) = @_;
1930		2132
1931	my @diag; # diagonal neighbours	2133	my @neigh; # diagonal neighbours
1932		2134
1933	for (0 .. 3) {	2135	for (0 .. 3) {
1934	my $neigh = $map->tile_path ($_)	2136	my $neigh = $map->tile_path ($_)
1935	or next;	2137	or next;
1936	$neigh = find $neigh, $map	2138	$neigh = find $neigh, $map
1937	or next;	2139	or next;
1938	$neigh->load;	2140	$neigh->load;
1939		2141
		2142	push @neigh,
1940	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2143	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1941	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2144	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1942	}	2145	}
1943		2146
1944	for (@diag) {	2147	for (grep defined $_->[0], @neigh) {
		2148	my ($path, $origin) = @$_;
1945	my $neigh = find @$_	2149	my $neigh = find $path, $origin
1946	or next;	2150	or next;
1947	$neigh->load;	2151	$neigh->load;
1948	}	2152	}
1949	}	2153	}
1950		2154
…		…
1955	}	2159	}
1956		2160
1957	sub do_load_sync {	2161	sub do_load_sync {
1958	my ($map) = @_;	2162	my ($map) = @_;
1959		2163
		2164	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2165	if $Coro::current == $Coro::main;
		2166
1960	cf::sync_job { $map->load };	2167	cf::sync_job { $map->load };
1961	}	2168	}
1962		2169
1963	our %MAP_PREFETCH;	2170	our %MAP_PREFETCH;
1964	our $MAP_PREFETCHER = undef;	2171	our $MAP_PREFETCHER = undef;
1965		2172
1966	sub find_async {	2173	sub find_async {
1967	my ($path, $origin) = @_;	2174	my ($path, $origin, $load) = @_;
1968		2175
1969	$path = normalise $path, $origin && $origin->{path};	2176	$path = normalise $path, $origin && $origin->{path};
1970		2177
1971	if (my $map = $cf::MAP{$path}) {	2178	if (my $map = $cf::MAP{$path}) {
1972	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2179	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1973	}	2180	}
1974		2181
1975	undef $MAP_PREFETCH{$path};	2182	$MAP_PREFETCH{$path} |= $load;
		2183
1976	$MAP_PREFETCHER ||= cf::async {	2184	$MAP_PREFETCHER ||= cf::async {
		2185	$Coro::current->{desc} = "map prefetcher";
		2186
1977	while (%MAP_PREFETCH) {	2187	while (%MAP_PREFETCH) {
1978	for my $path (keys %MAP_PREFETCH) {	2188	while (my ($k, $v) = each %MAP_PREFETCH) {
1979	if (my $map = find $path) {	2189	if (my $map = find $k) {
1980	$map->load;	2190	$map->load if $v;
1981	}	2191	}
1982		2192
1983	delete $MAP_PREFETCH{$path};	2193	delete $MAP_PREFETCH{$k};
1984	}	2194	}
1985	}	2195	}
1986	undef $MAP_PREFETCHER;	2196	undef $MAP_PREFETCHER;
1987	};	2197	};
1988	$MAP_PREFETCHER->prio (6);	2198	$MAP_PREFETCHER->prio (6);
…		…
1991	}	2201	}
1992		2202
1993	sub save {	2203	sub save {
1994	my ($self) = @_;	2204	my ($self) = @_;
1995		2205
1996	my $lock = cf::lock_acquire "map_data:" . $self->path;	2206	my $lock = cf::lock_acquire "map_data:$self->{path}";
1997		2207
1998	$self->{last_save} = $cf::RUNTIME;	2208	$self->{last_save} = $cf::RUNTIME;
1999		2209
2000	return unless $self->dirty;	2210	return unless $self->dirty;
2001		2211
…		…
2007	return if $self->{deny_save};	2217	return if $self->{deny_save};
2008		2218
2009	local $self->{last_access} = $self->last_access;#d#	2219	local $self->{last_access} = $self->last_access;#d#
2010		2220
2011	cf::async {	2221	cf::async {
		2222	$Coro::current->{desc} = "map player save";
2012	$_->contr->save for $self->players;	2223	$_->contr->save for $self->players;
2013	};	2224	};
		2225
		2226	cf::get_slot 0.02;
2014		2227
2015	if ($uniq) {	2228	if ($uniq) {
2016	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2229	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2017	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2230	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2018	} else {	2231	} else {
…		…
2024	my ($self) = @_;	2237	my ($self) = @_;
2025		2238
2026	# save first because save cedes	2239	# save first because save cedes
2027	$self->save;	2240	$self->save;
2028		2241
2029	my $lock = cf::lock_acquire "map_data:" . $self->path;	2242	my $lock = cf::lock_acquire "map_data:$self->{path}";
2030		2243
2031	return if $self->players;	2244	return if $self->players;
2032	return if $self->in_memory != cf::MAP_IN_MEMORY;	2245	return if $self->in_memory != cf::MAP_ACTIVE;
2033	return if $self->{deny_save};	2246	return if $self->{deny_save};
2034		2247
		2248	$self->in_memory (cf::MAP_SWAPPED);
		2249
		2250	$self->deactivate;
		2251	$_->clear_links_to ($self) for values %cf::MAP;
2035	$self->clear;	2252	$self->clear;
2036	$self->in_memory (cf::MAP_SWAPPED);
2037	}	2253	}
2038		2254
2039	sub reset_at {	2255	sub reset_at {
2040	my ($self) = @_;	2256	my ($self) = @_;
2041		2257
…		…
2059		2275
2060	my $lock = cf::lock_acquire "map_data:$self->{path}";	2276	my $lock = cf::lock_acquire "map_data:$self->{path}";
2061		2277
2062	return if $self->players;	2278	return if $self->players;
2063		2279
2064	warn "resetting map ", $self->path;	2280	warn "resetting map ", $self->path, "\n";
2065		2281
2066	$self->in_memory (cf::MAP_SWAPPED);	2282	$self->in_memory (cf::MAP_SWAPPED);
2067		2283
2068	# need to save uniques path	2284	# need to save uniques path
2069	unless ($self->{deny_save}) {	2285	unless ($self->{deny_save}) {
…		…
2073	if $uniq;	2289	if $uniq;
2074	}	2290	}
2075		2291
2076	delete $cf::MAP{$self->path};	2292	delete $cf::MAP{$self->path};
2077		2293
		2294	$self->deactivate;
		2295	$_->clear_links_to ($self) for values %cf::MAP;
2078	$self->clear;	2296	$self->clear;
2079
2080	$_->clear_links_to ($self) for values %cf::MAP;
2081		2297
2082	$self->unlink_save;	2298	$self->unlink_save;
2083	$self->destroy;	2299	$self->destroy;
2084	}	2300	}
2085		2301
2086	my $nuke_counter = "aaaa";	2302	my $nuke_counter = "aaaa";
2087		2303
2088	sub nuke {	2304	sub nuke {
2089	my ($self) = @_;	2305	my ($self) = @_;
2090		2306
		2307	{
		2308	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2309
2091	delete $cf::MAP{$self->path};	2310	delete $cf::MAP{$self->path};
2092		2311
2093	$self->unlink_save;	2312	$self->unlink_save;
2094		2313
2095	bless $self, "cf::map";	2314	bless $self, "cf::map";
2096	delete $self->{deny_reset};	2315	delete $self->{deny_reset};
2097	$self->{deny_save} = 1;	2316	$self->{deny_save} = 1;
2098	$self->reset_timeout (1);	2317	$self->reset_timeout (1);
2099	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2318	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2100		2319
2101	$cf::MAP{$self->path} = $self;	2320	$cf::MAP{$self->path} = $self;
		2321	}
2102		2322
2103	$self->reset; # polite request, might not happen	2323	$self->reset; # polite request, might not happen
2104	}	2324	}
2105		2325
2106	=item $maps = cf::map::tmp_maps	2326	=item $maps = cf::map::tmp_maps
…		…
2148		2368
2149	sub unique_maps() {	2369	sub unique_maps() {
2150	[	2370	[
2151	map {	2371	map {
2152	utf8::decode $_;	2372	utf8::decode $_;
2153	/\.map$/	2373	s/\.map$//; # TODO future compatibility hack
		2374	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2375	? ()
2154	? normalise $_	2376	: normalise $_
2155	: ()
2156	} @{ aio_readdir $UNIQUEDIR or [] }	2377	} @{ aio_readdir $UNIQUEDIR or [] }
2157	]	2378	]
2158	}	2379	}
2159		2380
2160	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	}
2161		2412
2162	=back	2413	=back
2163		2414
2164	=head3 cf::object	2415	=head3 cf::object
2165		2416
…		…
2169		2420
2170	=over 4	2421	=over 4
2171		2422
2172	=item $ob->inv_recursive	2423	=item $ob->inv_recursive
2173		2424
2174	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.
2175		2427
2176	=cut	2428	=cut
2177		2429
2178	sub inv_recursive_;	2430	sub inv_recursive_;
2179	sub inv_recursive_ {	2431	sub inv_recursive_ {
…		…
2182		2434
2183	sub inv_recursive {	2435	sub inv_recursive {
2184	inv_recursive_ inv $_[0]	2436	inv_recursive_ inv $_[0]
2185	}	2437	}
2186		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
2187	package cf;	2467	package cf;
2188		2468
2189	=back	2469	=back
2190		2470
2191	=head3 cf::object::player	2471	=head3 cf::object::player
…		…
2197	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>
2198	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
2199	dialogue with the given NPC character.	2479	dialogue with the given NPC character.
2200		2480
2201	=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	};
2202		2496
2203	# rough implementation of a future "reply" method that works	2497	# rough implementation of a future "reply" method that works
2204	# with dialog boxes.	2498	# with dialog boxes.
2205	#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
2206	sub cf::object::player::reply($$$;$) {	2500	sub cf::object::player::reply($$$;$) {
…		…
2213		2507
2214	} else {	2508	} else {
2215	my $pl = $self->contr;	2509	my $pl = $self->contr;
2216		2510
2217	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2511	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2218	my $diag = $pl->{npc_dialog};	2512	my $dialog = $pl->{npc_dialog};
2219	$diag->{pl}->ext_reply (	2513	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2220	$diag->{id},
2221	msgtype => "reply",
2222	msg => $diag->{pl}->expand_cfpod ($msg),
2223	add_topics => []
2224	);
2225		2514
2226	} else {	2515	} else {
2227	$msg = $npc->name . " says: $msg" if $npc;	2516	$msg = $npc->name . " says: $msg" if $npc;
2228	$self->message ($msg, $flags);	2517	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2229	}	2518	}
2230	}	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 (@_);
2231	}	2530	}
2232		2531
2233	=item $player_object->may ("access")	2532	=item $player_object->may ("access")
2234		2533
2235	Returns wether the given player is authorized to access resource "access"	2534	Returns wether the given player is authorized to access resource "access"
…		…
2248		2547
2249	=item $player_object->enter_link	2548	=item $player_object->enter_link
2250		2549
2251	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}>).
2252		2551
2253	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.
2254	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.
2255		2556
2256	Will never block.	2557	Will never block.
2257		2558
2258	=item $player_object->leave_link ($map, $x, $y)	2559	=item $player_object->leave_link ($map, $x, $y)
2259		2560
…		…
2311	($x, $y) = (-1, -1)	2612	($x, $y) = (-1, -1)
2312	unless (defined $x) && (defined $y);	2613	unless (defined $x) && (defined $y);
2313		2614
2314	# use -1 or undef as default coordinates, not 0, 0	2615	# use -1 or undef as default coordinates, not 0, 0
2315	($x, $y) = ($map->enter_x, $map->enter_y)	2616	($x, $y) = ($map->enter_x, $map->enter_y)
2316	if $x <=0 && $y <= 0;	2617	if $x <= 0 && $y <= 0;
2317		2618
2318	$map->load;	2619	$map->load;
2319	$map->load_diag;	2620	$map->load_neighbours;
2320		2621
2321	return unless $self->contr->active;	2622	return unless $self->contr->active;
2322	$self->activate_recursive;
2323		2623
2324	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2624	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2325	$self->enter_map ($map, $x, $y);	2625	$self->enter_map ($map, $x, $y);
		2626
		2627	# only activate afterwards, to support waiting in hooks
		2628	$self->activate_recursive;
2326	}	2629	}
2327		2630
2328	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2631	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2329		2632
2330	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
2331	her, loading and preparing them map, calling the provided $check callback	2634	her, loading and preparing them map, calling the provided $check callback
2332	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
2333	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
2334	be called at the end of this process.	2637	be called at the end of this process.
2335		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
2336	=cut	2642	=cut
2337		2643
2338	our $GOTOGEN;	2644	our $GOTOGEN;
2339		2645
2340	sub cf::object::player::goto {	2646	sub cf::object::player::goto {
…		…
2344	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2650	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2345		2651
2346	$self->enter_link;	2652	$self->enter_link;
2347		2653
2348	(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
2349	my $map = eval {	2676	my $map = eval {
2350	my $map = cf::map::find $path;	2677	my $map = defined $path ? cf::map::find $path : undef;
2351		2678
2352	if ($map) {	2679	if ($map) {
2353	$map = $map->customise_for ($self);	2680	$map = $map->customise_for ($self);
2354	$map = $check->($map) if $check && $map;	2681	$map = $check->($map) if $check && $map;
2355	} else {	2682	} else {
2356	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2683	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2357	}	2684	}
2358		2685
2359	$map	2686	$map
2360	};	2687	};
2361		2688
…		…
2397	}	2724	}
2398		2725
2399	sub prepare_random_map {	2726	sub prepare_random_map {
2400	my ($exit) = @_;	2727	my ($exit) = @_;
2401		2728
2402	my $guard = cf::lock_acquire "exit_prepare:$exit";
2403
2404	# all this does is basically replace the /! path by	2729	# all this does is basically replace the /! path by
2405	# a new random map path (?random/...) with a seed	2730	# a new random map path (?random/...) with a seed
2406	# that depends on the exit object	2731	# that depends on the exit object
2407		2732
2408	my $rmp = parse_random_map_params $exit->msg;	2733	my $rmp = parse_random_map_params $exit->msg;
…		…
2410	if ($exit->map) {	2735	if ($exit->map) {
2411	$rmp->{region} = $exit->region->name;	2736	$rmp->{region} = $exit->region->name;
2412	$rmp->{origin_map} = $exit->map->path;	2737	$rmp->{origin_map} = $exit->map->path;
2413	$rmp->{origin_x} = $exit->x;	2738	$rmp->{origin_x} = $exit->x;
2414	$rmp->{origin_y} = $exit->y;	2739	$rmp->{origin_y} = $exit->y;
		2740
		2741	$exit->map->touch;
2415	}	2742	}
2416		2743
2417	$rmp->{random_seed} ||= $exit->random_seed;	2744	$rmp->{random_seed} ||= $exit->random_seed;
2418		2745
2419	my $data = cf::to_json $rmp;	2746	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2420	my $md5 = Digest::MD5::md5_hex $data;	2747	my $md5 = Digest::MD5::md5_hex $data;
2421	my $meta = "$RANDOMDIR/$md5.meta";	2748	my $meta = "$RANDOMDIR/$md5.meta";
2422		2749
2423	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2750	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2424	aio_write $fh, 0, (length $data), $data, 0;	2751	aio_write $fh, 0, (length $data), $data, 0;
2425	undef $fh;	2752	undef $fh;
2426	aio_rename "$meta~", $meta;	2753	aio_rename "$meta~", $meta;
2427		2754
		2755	my $slaying = "?random/$md5";
		2756
		2757	if ($exit->valid) {
2428	$exit->slaying ("?random/$md5");	2758	$exit->slaying ("?random/$md5");
2429	$exit->msg (undef);	2759	$exit->msg (undef);
		2760	}
2430	}	2761	}
2431	}	2762	}
2432		2763
2433	sub cf::object::player::enter_exit {	2764	sub cf::object::player::enter_exit {
2434	my ($self, $exit) = @_;	2765	my ($self, $exit) = @_;
2435		2766
2436	return unless $self->type == cf::PLAYER;	2767	return unless $self->type == cf::PLAYER;
2437		2768
2438	if ($exit->slaying eq "/!") {
2439	#TODO: this should de-fi-ni-te-ly not be a sync-job
2440	# the problem is that $exit might not survive long enough
2441	# so it needs to be done right now, right here
2442	cf::sync_job { prepare_random_map $exit };
2443	}
2444
2445	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2446	my $hp = $exit->stats->hp;
2447	my $sp = $exit->stats->sp;
2448
2449	$self->enter_link;	2769	$self->enter_link;
2450		2770
2451	# if exit is damned, update players death & WoR home-position
2452	$self->contr->savebed ($slaying, $hp, $sp)
2453	if $exit->flag (FLAG_DAMNED);
2454
2455	(async {	2771	(async {
2456	$self->deactivate_recursive; # just to be sure	2772	$Coro::current->{desc} = "enter_exit";
		2773
2457	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
2458	$self->goto ($slaying, $hp, $sp);	2789	$self->goto ($map, $x, $y);
2459		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
2460	1;	2795	1
2461	}) {	2796	}) {
2462	$self->message ("Something went wrong deep within the crossfire server. "	2797	$self->message ("Something went wrong deep within the deliantra server. "
2463	. "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. "
2464	. "Please report this to the dungeon master!",	2799	. "Please report this to the dungeon master!",
2465	cf::NDI_UNIQUE | cf::NDI_RED);	2800	cf::NDI_UNIQUE | cf::NDI_RED);
2466		2801
2467	warn "ERROR in enter_exit: $@";	2802	warn "ERROR in enter_exit: $@";
…		…
2484	sub cf::client::send_drawinfo {	2819	sub cf::client::send_drawinfo {
2485	my ($self, $text, $flags) = @_;	2820	my ($self, $text, $flags) = @_;
2486		2821
2487	utf8::encode $text;	2822	utf8::encode $text;
2488	$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);
2489	}	2849	}
2490		2850
2491	=item $client->send_msg ($channel, $msg, $color, [extra...])	2851	=item $client->send_msg ($channel, $msg, $color, [extra...])
2492		2852
2493	Send a drawinfo or msg packet to the client, formatting the msg for the	2853	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2495	the message, with C<log> being the default. If C<$color> is negative, suppress	2855	the message, with C<log> being the default. If C<$color> is negative, suppress
2496	the message unless the client supports the msg packet.	2856	the message unless the client supports the msg packet.
2497		2857
2498	=cut	2858	=cut
2499		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" => $CHAT_CHANNEL,
		2972	);
		2973
2500	sub cf::client::send_msg {	2974	sub cf::client::send_msg {
2501	my ($self, $channel, $msg, $color, @extra) = @_;	2975	my ($self, $channel, $msg, $color, @extra) = @_;
2502		2976
2503	$msg = $self->pl->expand_cfpod ($msg);	2977	$msg = $self->pl->expand_cfpod ($msg)
		2978	unless $color & cf::NDI_VERBATIM;
2504		2979
2505	$color &= ~cf::NDI_UNIQUE; # just in case...	2980	$color &= cf::NDI_CLIENT_MASK; # just in case...
2506		2981
		2982	# check predefined channels, for the benefit of C
		2983	if ($CHANNEL{$channel}) {
		2984	$channel = $CHANNEL{$channel};
		2985
		2986	$self->ext_msg (channel_info => $channel);
		2987	$channel = $channel->{id};
		2988
2507	if (ref $channel) {	2989	} elsif (ref $channel) {
2508	# send meta info to client, if not yet sent	2990	# send meta info to client, if not yet sent
2509	unless (exists $self->{channel}{$channel->{id}}) {	2991	unless (exists $self->{channel}{$channel->{id}}) {
2510	$self->{channel}{$channel->{id}} = $channel;	2992	$self->{channel}{$channel->{id}} = $channel;
2511	$self->ext_event (channel_info => %$channel);	2993	$self->ext_msg (channel_info => $channel);
2512	}	2994	}
2513		2995
2514	$channel = $channel->{id};	2996	$channel = $channel->{id};
2515	}	2997	}
2516		2998
2517	return unless @extra || length $msg;	2999	return unless @extra || length $msg;
2518		3000
2519	if ($self->can_msg) {	3001	# default colour, mask it out
2520	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));	3002	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2521	} else {	3003	if $color & cf::NDI_DEF;
2522	# replace some tags by gcfclient-compatible ones
2523	for ($msg) {
2524	1 while
2525	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2526	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2527	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2528	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2529	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2530	}
2531		3004
2532	if ($color >= 0) {	3005	my $pkt = "msg "
2533	if (0 && $msg =~ /\[/) {	3006	. $self->{json_coder}->encode (
2534	$self->send_packet ("drawextinfo $color 4 0 $msg")	3007	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2535	} else {	3008	);
2536	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2537	$self->send_packet ("drawinfo $color $msg")
2538	}
2539	}
2540	}
2541	}
2542		3009
		3010	$self->send_big_packet ($pkt);
		3011	}
		3012
2543	=item $client->ext_event ($type, %msg)	3013	=item $client->ext_msg ($type, @msg)
2544		3014
2545	Sends an ext event to the client.	3015	Sends an ext event to the client.
2546		3016
2547	=cut	3017	=cut
2548		3018
2549	sub cf::client::ext_event($$%) {	3019	sub cf::client::ext_msg($$@) {
2550	my ($self, $type, %msg) = @_;	3020	my ($self, $type, @msg) = @_;
2551		3021
2552	return unless $self->extcmd;	3022	if ($self->extcmd == 2) {
2553		3023	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3024	} elsif ($self->extcmd == 1) { # TODO: remove
2554	$msg{msgtype} = "event_$type";	3025	push @msg, msgtype => "event_$type";
2555	$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}));
		3045	}
2556	}	3046	}
2557		3047
2558	=item $success = $client->query ($flags, "text", \&cb)	3048	=item $success = $client->query ($flags, "text", \&cb)
2559		3049
2560	Queues a query to the client, calling the given callback with	3050	Queues a query to the client, calling the given callback with
…		…
2615	my ($ns, $buf) = @_;	3105	my ($ns, $buf) = @_;
2616		3106
2617	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3107	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2618		3108
2619	if (ref $msg) {	3109	if (ref $msg) {
		3110	my ($type, $reply, @payload) =
		3111	"ARRAY" eq ref $msg
		3112	? @$msg
		3113	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3114
		3115	my @reply;
		3116
2620	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3117	if (my $cb = $EXTICMD{$type}) {
2621	if (my %reply = $cb->($ns, $msg)) {	3118	@reply = $cb->($ns, @payload);
2622	$reply{msgid} = $msg->{msgid};
2623	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2624	}
2625	}	3119	}
		3120
		3121	$ns->ext_reply ($reply, @reply)
		3122	if $reply;
		3123
2626	} else {	3124	} else {
2627	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";
2628	}	3126	}
2629		3127
2630	cf::override;	3128	cf::override;
…		…
2652		3150
2653	$coro	3151	$coro
2654	}	3152	}
2655		3153
2656	cf::client->attach (	3154	cf::client->attach (
2657	on_destroy => sub {	3155	on_client_destroy => sub {
2658	my ($ns) = @_;	3156	my ($ns) = @_;
2659		3157
2660	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3158	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2661	},	3159	},
2662	);	3160	);
…		…
2677	our $safe = new Safe "safe";	3175	our $safe = new Safe "safe";
2678	our $safe_hole = new Safe::Hole;	3176	our $safe_hole = new Safe::Hole;
2679		3177
2680	$SIG{FPE} = 'IGNORE';	3178	$SIG{FPE} = 'IGNORE';
2681		3179
2682	$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	));
2683		3185
2684	# here we export the classes and methods available to script code	3186	# here we export the classes and methods available to script code
2685		3187
2686	=pod	3188	=pod
2687		3189
2688	The following functions and methods are available within a safe environment:	3190	The following functions and methods are available within a safe environment:
2689		3191
2690	cf::object	3192	cf::object
2691	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
2692	insert remove	3194	insert remove name archname title slaying race decrease split
		3195	value
2693		3196
2694	cf::object::player	3197	cf::object::player
2695	player	3198	player
2696		3199
2697	cf::player	3200	cf::player
…		…
2702		3205
2703	=cut	3206	=cut
2704		3207
2705	for (	3208	for (
2706	["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
2707	insert remove)],	3210	insert remove inv nrof name archname title slaying race
		3211	decrease split destroy change_exp value msg lore send_msg)],
2708	["cf::object::player" => qw(player)],	3212	["cf::object::player" => qw(player)],
2709	["cf::player" => qw(peaceful)],	3213	["cf::player" => qw(peaceful send_msg)],
2710	["cf::map" => qw(trigger)],	3214	["cf::map" => qw(trigger)],
2711	) {	3215	) {
2712	no strict 'refs';	3216	no strict 'refs';
2713	my ($pkg, @funs) = @$_;	3217	my ($pkg, @funs) = @$_;
2714	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3218	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2732		3236
2733	my $qcode = $code;	3237	my $qcode = $code;
2734	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3238	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2735	$qcode =~ s/\n/\\n/g;	3239	$qcode =~ s/\n/\\n/g;
2736		3240
		3241	%vars = (_dummy => 0) unless %vars;
		3242
		3243	my @res;
2737	local $_;	3244	local $_;
2738	local @safe::cf::_safe_eval_args = values %vars;
2739		3245
2740	my $eval =	3246	my $eval =
2741	"do {\n"	3247	"do {\n"
2742	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3248	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2743	. "#line 0 \"{$qcode}\"\n"	3249	. "#line 0 \"{$qcode}\"\n"
2744	. $code	3250	. $code
2745	. "\n}"	3251	. "\n}"
2746	;	3252	;
2747		3253
		3254	if ($CFG{safe_eval}) {
2748	sub_generation_inc;	3255	sub_generation_inc;
		3256	local @safe::cf::_safe_eval_args = values %vars;
2749	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3257	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2750	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	}
2751		3263
2752	if ($@) {	3264	if ($@) {
2753	warn "$@";	3265	warn "$@";
2754	warn "while executing safe code '$code'\n";	3266	warn "while executing safe code '$code'\n";
2755	warn "with arguments " . (join " ", %vars) . "\n";	3267	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2774	=cut	3286	=cut
2775		3287
2776	sub register_script_function {	3288	sub register_script_function {
2777	my ($fun, $cb) = @_;	3289	my ($fun, $cb) = @_;
2778		3290
2779	no strict 'refs';	3291	$fun = "safe::$fun" if $CFG{safe_eval};
2780	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3292	*$fun = $safe_hole->wrap ($cb);
2781	}	3293	}
2782		3294
2783	=back	3295	=back
2784		3296
2785	=cut	3297	=cut
…		…
2787	#############################################################################	3299	#############################################################################
2788	# the server's init and main functions	3300	# the server's init and main functions
2789		3301
2790	sub load_facedata($) {	3302	sub load_facedata($) {
2791	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;
2792		3310
2793	warn "loading facedata from $path\n";	3311	warn "loading facedata from $path\n";
2794		3312
2795	my $facedata;	3313	my $facedata;
2796	0 < aio_load $path, $facedata	3314	0 < aio_load $path, $facedata
…		…
2799	$facedata = Coro::Storable::thaw $facedata;	3317	$facedata = Coro::Storable::thaw $facedata;
2800		3318
2801	$facedata->{version} == 2	3319	$facedata->{version} == 2
2802	or cf::cleanup "$path: version mismatch, cannot proceed.";	3320	or cf::cleanup "$path: version mismatch, cannot proceed.";
2803		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
2804	{	3331	{
2805	my $faces = $facedata->{faceinfo};	3332	my $faces = $facedata->{faceinfo};
2806		3333
2807	while (my ($face, $info) = each %$faces) {	3334	while (my ($face, $info) = each %$faces) {
2808	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3335	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3336
2809	cf::face::set_visibility $idx, $info->{visibility};	3337	cf::face::set_visibility $idx, $info->{visibility};
2810	cf::face::set_magicmap $idx, $info->{magicmap};	3338	cf::face::set_magicmap $idx, $info->{magicmap};
2811	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3339	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2812	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3340	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2813		3341
2814	cf::cede_to_tick;	3342	cf::cede_to_tick;
2815	}	3343	}
2816		3344
2817	while (my ($face, $info) = each %$faces) {	3345	while (my ($face, $info) = each %$faces) {
2818	next unless $info->{smooth};	3346	next unless $info->{smooth};
		3347
2819	my $idx = cf::face::find $face	3348	my $idx = cf::face::find $face
2820	or next;	3349	or next;
		3350
2821	if (my $smooth = cf::face::find $info->{smooth}) {	3351	if (my $smooth = cf::face::find $info->{smooth}) {
2822	cf::face::set_smooth $idx, $smooth;	3352	cf::face::set_smooth $idx, $smooth;
2823	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3353	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2824	} else {	3354	} else {
2825	warn "smooth face '$info->{smooth}' not found for face '$face'";	3355	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2839		3369
2840	cf::anim::invalidate_all; # d'oh	3370	cf::anim::invalidate_all; # d'oh
2841	}	3371	}
2842		3372
2843	{	3373	{
2844	# TODO: for gcfclient pleasure, we should give resources
2845	# that gcfclient doesn't grok a >10000 face index.
2846	my $res = $facedata->{resource};	3374	my $res = $facedata->{resource};
2847	my $enc = JSON::XS->new->utf8->canonical;
2848		3375
2849	while (my ($name, $info) = each %$res) {	3376	while (my ($name, $info) = each %$res) {
2850	my $meta = $enc->encode ({	3377	if (defined $info->{type}) {
2851	name => $name,
2852	type => $info->{type},
2853	copyright => $info->{copyright}, #TODO#
2854	});
2855
2856	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3378	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2857		3379
2858	if ($name =~ /\.jpg$/) {
2859	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack	3380	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
2860	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack	3381	cf::face::set_type $idx, $info->{type};
2861	} else {	3382	} else {
2862	my $data = pack "(w/a*)*", $meta, $info->{data};	3383	$RESOURCE{$name} = $info;
2863	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2864
2865	cf::face::set_type $idx, 1;
2866	cf::face::set_data $idx, 0, $data, $chk;
2867	}	3384	}
2868		3385
2869	cf::cede_to_tick;	3386	cf::cede_to_tick;
2870	}	3387	}
2871	}	3388	}
2872		3389
		3390	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3391
2873	1	3392	1
2874	}	3393	}
2875		3394
		3395	cf::global->attach (on_resource_update => sub {
		3396	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3397	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3398
		3399	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3400	my $sound = $soundconf->{compat}[$_]
		3401	or next;
		3402
		3403	my $face = cf::face::find "sound/$sound->[1]";
		3404	cf::sound::set $sound->[0] => $face;
		3405	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3406	}
		3407
		3408	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3409	my $face = cf::face::find "sound/$v";
		3410	cf::sound::set $k => $face;
		3411	}
		3412	}
		3413	});
		3414
		3415	register_exticmd fx_want => sub {
		3416	my ($ns, $want) = @_;
		3417
		3418	while (my ($k, $v) = each %$want) {
		3419	$ns->fx_want ($k, $v);
		3420	}
		3421	};
		3422
		3423	sub load_resource_file($) {
		3424	my $guard = lock_acquire "load_resource_file";
		3425
		3426	my $status = load_resource_file_ $_[0];
		3427	get_slot 0.1, 100;
		3428	cf::arch::commit_load;
		3429
		3430	$status
		3431	}
		3432
2876	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
2877	load_resource_file "$MAPDIR/regions"	3438	load_resource_file "$MAPDIR/regions"
2878	or die "unable to load regions file\n";	3439	or die "unable to load regions file\n";
2879		3440
2880	for (cf::region::list) {	3441	for (cf::region::list) {
2881	$_->{match} = qr/$_->{match}/	3442	$_->{match} = qr/$_->{match}/
…		…
2889	}	3450	}
2890		3451
2891	sub reload_archetypes {	3452	sub reload_archetypes {
2892	load_resource_file "$DATADIR/archetypes"	3453	load_resource_file "$DATADIR/archetypes"
2893	or die "unable to load archetypes\n";	3454	or die "unable to load archetypes\n";
2894	#d# NEED to laod twice to resolve forward references
2895	# this really needs to be done in an extra post-pass
2896	# (which needs to be synchronous, so solve it differently)
2897	load_resource_file "$DATADIR/archetypes"
2898	or die "unable to load archetypes\n";
2899	}	3455	}
2900		3456
2901	sub reload_treasures {	3457	sub reload_treasures {
2902	load_resource_file "$DATADIR/treasures"	3458	load_resource_file "$DATADIR/treasures"
2903	or die "unable to load treasurelists\n";	3459	or die "unable to load treasurelists\n";
2904	}	3460	}
2905		3461
2906	sub reload_resources {	3462	sub reload_resources {
2907	warn "reloading resource files...\n";	3463	warn "reloading resource files...\n";
2908		3464
		3465	reload_facedata;
		3466	reload_archetypes;
2909	reload_regions;	3467	reload_regions;
2910	reload_facedata;
2911	#reload_archetypes;#d#
2912	reload_archetypes;
2913	reload_treasures;	3468	reload_treasures;
2914		3469
2915	warn "finished reloading resource files\n";	3470	warn "finished reloading resource files\n";
2916	}	3471	}
2917		3472
2918	sub init {	3473	sub reload_config {
2919	reload_resources;	3474	warn "reloading config file...\n";
2920	}
2921		3475
2922	sub cfg_load {
2923	open my $fh, "<:utf8", "$CONFDIR/config"	3476	open my $fh, "<:utf8", "$CONFDIR/config"
2924	or return;	3477	or return;
2925		3478
2926	local $/;	3479	local $/;
2927	*CFG = YAML::Syck::Load <$fh>;	3480	*CFG = YAML::XS::Load scalar <$fh>;
2928		3481
2929	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3482	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2930		3483
2931	$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};
2932	$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};
…		…
2936	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3489	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2937	and die "WARNING: m(un)lockall failed: $!\n";	3490	and die "WARNING: m(un)lockall failed: $!\n";
2938	};	3491	};
2939	warn $@ if $@;	3492	warn $@ if $@;
2940	}	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;
2941	}	3524	}
2942		3525
2943	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
2944	# we must not ever block the main coroutine	3541	# we must not ever block the main coroutine
2945	local $Coro::idle = sub {	3542	local $Coro::idle = sub {
2946	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#
2947	(async {	3544	(async {
2948	Event::one_event;	3545	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3546	EV::loop EV::LOOP_ONESHOT;
2949	})->prio (Coro::PRIO_MAX);	3547	})->prio (Coro::PRIO_MAX);
2950	};	3548	};
2951		3549
2952	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;
2953	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
2954	load_extensions;	3568	load_extensions;
2955		3569
2956	$TICK_WATCHER->start;	3570	utime time, time, $RUNTIMEFILE;
2957	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;
2958	}	3580	}
2959		3581
2960	#############################################################################	3582	#############################################################################
2961	# initialisation and cleanup	3583	# initialisation and cleanup
2962		3584
2963	# install some emergency cleanup handlers	3585	# install some emergency cleanup handlers
2964	BEGIN {	3586	BEGIN {
		3587	our %SIGWATCHER = ();
2965	for my $signal (qw(INT HUP TERM)) {	3588	for my $signal (qw(INT HUP TERM)) {
2966	Event->signal (	3589	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2967	reentrant => 0,
2968	data => WF_AUTOCANCEL,
2969	signal => $signal,
2970	prio => 0,
2971	cb => sub {
2972	cf::cleanup "SIG$signal";	3590	cf::cleanup "SIG$signal";
2973	},
2974	);	3591	};
2975	}	3592	}
2976	}	3593	}
2977		3594
2978	sub write_runtime {	3595	sub write_runtime_sync {
2979	my $runtime = "$LOCALDIR/runtime";	3596	my $t0 = EV::time;
2980		3597
2981	# first touch the runtime file to show we are still running:	3598	# first touch the runtime file to show we are still running:
2982	# the fsync below can take a very very long time.	3599	# the fsync below can take a very very long time.
2983		3600
2984	IO::AIO::aio_utime $runtime, undef, undef;	3601	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2985		3602
2986	my $guard = cf::lock_acquire "write_runtime";	3603	my $guard = cf::lock_acquire "write_runtime";
2987		3604
2988	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3605	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2989	or return;	3606	or return;
2990		3607
2991	my $value = $cf::RUNTIME + 90 + 10;	3608	my $value = $cf::RUNTIME + 90 + 10;
2992	# 10 is the runtime save interval, for a monotonic clock	3609	# 10 is the runtime save interval, for a monotonic clock
2993	# 60 allows for the watchdog to kill the server.	3610	# 60 allows for the watchdog to kill the server.
…		…
3003	aio_utime $fh, undef, undef;	3620	aio_utime $fh, undef, undef;
3004		3621
3005	close $fh	3622	close $fh
3006	or return;	3623	or return;
3007		3624
3008	aio_rename "$runtime~", $runtime	3625	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3009	and return;	3626	and return;
3010		3627
3011	warn "runtime file written.\n";	3628	warn sprintf "runtime file written (%gs).\n", EV::time - $t0;
3012		3629
3013	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 };
3014	}	3681	}
3015		3682
3016	sub emergency_save() {	3683	sub emergency_save() {
3017	my $freeze_guard = cf::freeze_mainloop;	3684	my $freeze_guard = cf::freeze_mainloop;
3018		3685
3019	warn "enter emergency perl save\n";	3686	warn "emergency_perl_save: enter\n";
3020		3687
3021	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
3022	# use a peculiar iteration method to avoid tripping on perl	3694	# use a peculiar iteration method to avoid tripping on perl
3023	# refcount bugs in for. also avoids problems with players	3695	# refcount bugs in for. also avoids problems with players
3024	# and maps saved/destroyed asynchronously.	3696	# and maps saved/destroyed asynchronously.
3025	warn "begin emergency player save\n";	3697	warn "emergency_perl_save: begin player save\n";
3026	for my $login (keys %cf::PLAYER) {	3698	for my $login (keys %cf::PLAYER) {
3027	my $pl = $cf::PLAYER{$login} or next;	3699	my $pl = $cf::PLAYER{$login} or next;
3028	$pl->valid or next;	3700	$pl->valid or next;
		3701	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3029	$pl->save;	3702	$pl->save;
3030	}	3703	}
3031	warn "end emergency player save\n";	3704	warn "emergency_perl_save: end player save\n";
3032		3705
3033	warn "begin emergency map save\n";	3706	warn "emergency_perl_save: begin map save\n";
3034	for my $path (keys %cf::MAP) {	3707	for my $path (keys %cf::MAP) {
3035	my $map = $cf::MAP{$path} or next;	3708	my $map = $cf::MAP{$path} or next;
3036	$map->valid or next;	3709	$map->valid or next;
3037	$map->save;	3710	$map->save;
3038	}	3711	}
3039	warn "end emergency map save\n";	3712	warn "emergency_perl_save: end map save\n";
3040		3713
3041	warn "begin emergency database checkpoint\n";	3714	warn "emergency_perl_save: begin database checkpoint\n";
3042	BDB::db_env_txn_checkpoint $DB_ENV;	3715	BDB::db_env_txn_checkpoint $DB_ENV;
3043	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";
3044	};	3721	};
3045		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
3046	warn "leave emergency perl save\n";	3728	warn "emergency_perl_save: leave\n";
3047	}	3729	}
3048		3730
3049	sub post_cleanup {	3731	sub post_cleanup {
3050	my ($make_core) = @_;	3732	my ($make_core) = @_;
3051		3733
3052	warn Carp::longmess "post_cleanup backtrace"	3734	warn Carp::longmess "post_cleanup backtrace"
3053	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 $pkg\n";#d#
3054	}	3765	}
3055		3766
3056	sub do_reload_perl() {	3767	sub do_reload_perl() {
3057	# can/must only be called in main	3768	# can/must only be called in main
3058	if ($Coro::current != $Coro::main) {	3769	if ($Coro::current != $Coro::main) {
3059	warn "can only reload from main coroutine";	3770	warn "can only reload from main coroutine";
3060	return;	3771	return;
3061	}	3772	}
3062		3773
		3774	return if $RELOAD++;
		3775
		3776	my $t1 = EV::time;
		3777
		3778	while ($RELOAD) {
3063	warn "reloading...";	3779	warn "reloading...";
3064		3780
3065	warn "entering sync_job";	3781	warn "entering sync_job";
3066		3782
3067	cf::sync_job {	3783	cf::sync_job {
3068	cf::write_runtime; # external watchdog should not bark	3784	cf::write_runtime_sync; # external watchdog should not bark
3069	cf::emergency_save;	3785	cf::emergency_save;
3070	cf::write_runtime; # external watchdog should not bark	3786	cf::write_runtime_sync; # external watchdog should not bark
3071		3787
3072	warn "syncing database to disk";	3788	warn "syncing database to disk";
3073	BDB::db_env_txn_checkpoint $DB_ENV;	3789	BDB::db_env_txn_checkpoint $DB_ENV;
3074		3790
3075	# 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
3076		3792
3077	warn "cancelling all WF_AUTOCANCEL watchers";
3078	for (Event::all_watchers) {
3079	$_->cancel if $_->data & WF_AUTOCANCEL;
3080	}
3081
3082	warn "flushing outstanding aio requests";	3793	warn "flushing outstanding aio requests";
3083	for (;;) {
3084	BDB::flush;
3085	IO::AIO::flush;
3086	Coro::cede;
3087	last unless IO::AIO::nreqs || BDB::nreqs;	3794	while (IO::AIO::nreqs || BDB::nreqs) {
3088	warn "iterate...";	3795	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3089	}
3090
3091	++$RELOAD;
3092
3093	warn "cancelling all extension coros";
3094	$_->cancel for values %EXT_CORO;
3095	%EXT_CORO = ();
3096
3097	warn "removing commands";
3098	%COMMAND = ();
3099
3100	warn "removing ext/exti commands";
3101	%EXTCMD = ();
3102	%EXTICMD = ();
3103
3104	warn "unloading/nuking all extensions";
3105	for my $pkg (@EXTS) {
3106	warn "... unloading $pkg";
3107
3108	if (my $cb = $pkg->can ("unload")) {
3109	eval {
3110	$cb->($pkg);
3111	1
3112	} or warn "$pkg unloaded, but with errors: $@";
3113	}	3796	}
3114		3797
3115	warn "... nuking $pkg";	3798	warn "cancelling all extension coros";
3116	Symbol::delete_package $pkg;	3799	$_->cancel for values %EXT_CORO;
3117	}	3800	%EXT_CORO = ();
3118		3801
3119	warn "unloading all perl modules loaded from $LIBDIR";	3802	warn "removing commands";
3120	while (my ($k, $v) = each %INC) {	3803	%COMMAND = ();
3121	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3122		3804
		3805	warn "removing ext/exti commands";
		3806	%EXTCMD = ();
		3807	%EXTICMD = ();
		3808
		3809	warn "unloading/nuking all extensions";
		3810	for my $pkg (@EXTS) {
3123	warn "... unloading $k";	3811	warn "... unloading $pkg";
3124	delete $INC{$k};
3125		3812
3126	$k =~ s/\.pm$//;
3127	$k =~ s/\//::/g;
3128
3129	if (my $cb = $k->can ("unload_module")) {	3813	if (my $cb = $pkg->can ("unload")) {
		3814	eval {
3130	$cb->();	3815	$cb->($pkg);
		3816	1
		3817	} or warn "$pkg unloaded, but with errors: $@";
		3818	}
		3819
		3820	warn "... clearing $pkg";
		3821	clear_package $pkg;
3131	}	3822	}
3132		3823
3133	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 $k;
3134	}	3839	}
3135		3840
3136	warn "getting rid of safe::, as good as possible";	3841	warn "getting rid of safe::, as good as possible";
3137	Symbol::delete_package "safe::$_"	3842	clear_package "safe::$_"
3138	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);
3139		3844
3140	warn "unloading cf.pm \"a bit\"";	3845	warn "unloading cf.pm \"a bit\"";
3141	delete $INC{"cf.pm"};	3846	delete $INC{"cf.pm"};
3142	delete $INC{"cf/pod.pm"};	3847	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3143		3848
3144	# don't, removes xs symbols, too,	3849	# don't, removes xs symbols, too,
3145	# and global variables created in xs	3850	# and global variables created in xs
3146	#Symbol::delete_package __PACKAGE__;	3851	#clear_package __PACKAGE__;
3147		3852
3148	warn "unload completed, starting to reload now";	3853	warn "unload completed, starting to reload now";
3149		3854
3150	warn "reloading cf.pm";	3855	warn "reloading cf.pm";
3151	require cf;	3856	require cf;
3152	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3857	cf::_connect_to_perl_1;
3153		3858
3154	warn "loading config and database again";	3859	warn "loading config and database again";
3155	cf::cfg_load;	3860	cf::reload_config;
3156		3861
3157	warn "loading extensions";	3862	warn "loading extensions";
3158	cf::load_extensions;	3863	cf::load_extensions;
3159		3864
		3865	if ($REATTACH_ON_RELOAD) {
3160	warn "reattaching attachments to objects/players";	3866	warn "reattaching attachments to objects/players";
3161	_global_reattach; # objects, sockets	3867	_global_reattach; # objects, sockets
3162	warn "reattaching attachments to maps";	3868	warn "reattaching attachments to maps";
3163	reattach $_ for values %MAP;	3869	reattach $_ for values %MAP;
3164	warn "reattaching attachments to players";	3870	warn "reattaching attachments to players";
3165	reattach $_ for values %PLAYER;	3871	reattach $_ for values %PLAYER;
		3872	}
3166		3873
		3874	warn "running post_init jobs";
		3875	(pop @POST_INIT)->(1) while @POST_INIT;
		3876
3167	warn "leaving sync_job";	3877	warn "leaving sync_job";
3168		3878
3169	1	3879	1
3170	} or do {	3880	} or do {
3171	warn $@;	3881	warn $@;
3172	warn "error while reloading, exiting.";	3882	cf::cleanup "error while reloading, exiting.";
3173	exit 1;
3174	};	3883	};
3175		3884
3176	warn "reloaded";	3885	warn "reloaded";
		3886	--$RELOAD;
		3887	}
		3888
		3889	$t1 = EV::time - $t1;
		3890	warn "reload completed in ${t1}s\n";
3177	};	3891	};
3178		3892
3179	our $RELOAD_WATCHER; # used only during reload	3893	our $RELOAD_WATCHER; # used only during reload
3180		3894
3181	sub reload_perl() {	3895	sub reload_perl() {
3182	# doing reload synchronously and two reloads happen back-to-back,	3896	# doing reload synchronously and two reloads happen back-to-back,
3183	# coro crashes during coro_state_free->destroy here.	3897	# coro crashes during coro_state_free->destroy here.
3184		3898
3185	$RELOAD_WATCHER ||= Event->timer (	3899	$RELOAD_WATCHER ||= cf::async {
3186	reentrant => 0,	3900	Coro::AIO::aio_wait cache_extensions;
3187	after => 0,	3901
3188	data => WF_AUTOCANCEL,	3902	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3189	cb => sub {
3190	do_reload_perl;	3903	do_reload_perl;
3191	undef $RELOAD_WATCHER;	3904	undef $RELOAD_WATCHER;
3192	},	3905	};
3193	);	3906	};
3194	}	3907	}
3195		3908
3196	register_command "reload" => sub {	3909	register_command "reload" => sub {
3197	my ($who, $arg) = @_;	3910	my ($who, $arg) = @_;
3198		3911
3199	if ($who->flag (FLAG_WIZ)) {	3912	if ($who->flag (FLAG_WIZ)) {
3200	$who->message ("reloading server.");	3913	$who->message ("reloading server.");
		3914	async {
		3915	$Coro::current->{desc} = "perl_reload";
3201	async { reload_perl };	3916	reload_perl;
		3917	};
3202	}	3918	}
3203	};	3919	};
3204		3920
3205	unshift @INC, $LIBDIR;	3921	unshift @INC, $LIBDIR;
3206		3922
…		…
3208		3924
3209	our @WAIT_FOR_TICK;	3925	our @WAIT_FOR_TICK;
3210	our @WAIT_FOR_TICK_BEGIN;	3926	our @WAIT_FOR_TICK_BEGIN;
3211		3927
3212	sub wait_for_tick {	3928	sub wait_for_tick {
3213	return unless $TICK_WATCHER->is_active;
3214	return if $Coro::current == $Coro::main;	3929	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3215		3930
3216	my $signal = new Coro::Signal;	3931	my $signal = new Coro::Signal;
3217	push @WAIT_FOR_TICK, $signal;	3932	push @WAIT_FOR_TICK, $signal;
3218	$signal->wait;	3933	$signal->wait;
3219	}	3934	}
3220		3935
3221	sub wait_for_tick_begin {	3936	sub wait_for_tick_begin {
3222	return unless $TICK_WATCHER->is_active;
3223	return if $Coro::current == $Coro::main;	3937	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3224		3938
3225	my $signal = new Coro::Signal;	3939	my $signal = new Coro::Signal;
3226	push @WAIT_FOR_TICK_BEGIN, $signal;	3940	push @WAIT_FOR_TICK_BEGIN, $signal;
3227	$signal->wait;	3941	$signal->wait;
3228	}	3942	}
3229		3943
3230	my $min = 1e6;#d#	3944	sub tick {
3231	my $avg = 10;
3232	$TICK_WATCHER = Event->timer (
3233	reentrant => 0,
3234	parked => 1,
3235	prio => 0,
3236	at => $NEXT_TICK || $TICK,
3237	data => WF_AUTOCANCEL,
3238	cb => sub {
3239	if ($Coro::current != $Coro::main) {	3945	if ($Coro::current != $Coro::main) {
3240	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3946	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3241	unless ++$bug_warning > 10;	3947	unless ++$bug_warning > 10;
3242	return;	3948	return;
3243	}	3949	}
3244		3950
3245	$NOW = $tick_start = Event::time;
3246
3247	cf::server_tick; # one server iteration	3951	cf::server_tick; # one server iteration
3248		3952
3249	0 && sync_job {#d#	3953	#for(1..3e6){} EV::now_update; $NOW=EV::now; # generate load #d#
3250	for(1..10) {
3251	my $t = Event::time;
3252	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3253	or die;
3254		3954
3255	$map->width (50);	3955	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3256	$map->height (50);	3956	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3257	$map->alloc;	3957	Coro::async_pool {
3258	$map->_load_objects ("/tmp/x.map", 1);	3958	$Coro::current->{desc} = "runtime saver";
3259	my $t = Event::time - $t;	3959	write_runtime_sync
3260		3960	or warn "ERROR: unable to write runtime file: $!";
3261	#next unless $t < 0.0013;#d#
3262	if ($t < $min) {
3263	$min = $t;
3264	}
3265	$avg = $avg * 0.99 + $t * 0.01;
3266	}
3267	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3268	exit 0;
3269	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3270	};	3961	};
		3962	}
3271		3963
3272	$RUNTIME += $TICK;
3273	$NEXT_TICK += $TICK;
3274
3275	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3276	$NEXT_RUNTIME_WRITE = $NOW + 10;
3277	Coro::async_pool {
3278	write_runtime
3279	or warn "ERROR: unable to write runtime file: $!";
3280	};
3281	}
3282
3283	# my $AFTER = Event::time;
3284	# warn $AFTER - $NOW;#d#
3285
3286	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3964	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3287	$sig->send;	3965	$sig->send;
3288	}	3966	}
3289	while (my $sig = shift @WAIT_FOR_TICK) {	3967	while (my $sig = shift @WAIT_FOR_TICK) {
3290	$sig->send;	3968	$sig->send;
3291	}	3969	}
3292		3970
3293	$NOW = Event::time;	3971	$LOAD = ($NOW - $TICK_START) / $TICK;
3294
3295	# if we are delayed by four ticks or more, skip them all
3296	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3297
3298	$TICK_WATCHER->at ($NEXT_TICK);
3299	$TICK_WATCHER->start;
3300
3301	$LOAD = ($NOW - $tick_start) / $TICK;
3302	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3972	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3303		3973
3304	_post_tick;	3974	if (0) {
3305		3975	if ($NEXT_TICK) {
3306		3976	my $jitter = $TICK_START - $NEXT_TICK;
		3977	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3978	warn "jitter $JITTER\n";#d#
		3979	}
3307	},	3980	}
3308	);	3981	}
3309		3982
3310	{	3983	{
3311	BDB::max_poll_time $TICK * 0.1;	3984	# configure BDB
3312	$BDB_POLL_WATCHER = Event->io (	3985
3313	reentrant => 0,
3314	fd => BDB::poll_fileno,
3315	poll => 'r',
3316	prio => 0,
3317	data => WF_AUTOCANCEL,
3318	cb => \&BDB::poll_cb,
3319	);
3320	BDB::min_parallel 8;	3986	BDB::min_parallel 16;
3321		3987	BDB::max_poll_reqs $TICK * 0.1;
3322	BDB::set_sync_prepare {	3988	$AnyEvent::BDB::WATCHER->priority (1);
3323	my $status;
3324	my $current = $Coro::current;
3325	(
3326	sub {
3327	$status = $!;
3328	$current->ready; undef $current;
3329	},
3330	sub {
3331	Coro::schedule while defined $current;
3332	$! = $status;
3333	},
3334	)
3335	};
3336		3989
3337	unless ($DB_ENV) {	3990	unless ($DB_ENV) {
3338	$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);
3339		3997
3340	cf::sync_job {	3998	cf::sync_job {
3341	eval {	3999	eval {
3342	BDB::db_env_open	4000	BDB::db_env_open
3343	$DB_ENV,	4001	$DB_ENV,
…		…
3345	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4003	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3346	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4004	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3347	0666;	4005	0666;
3348		4006
3349	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4007	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3350
3351	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3352	$DB_ENV->set_lk_detect;
3353	};	4008	};
3354		4009
3355	cf::cleanup "db_env_open(db): $@" if $@;	4010	cf::cleanup "db_env_open(db): $@" if $@;
3356	};	4011	};
3357	}	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	};
3358	}	4023	}
3359		4024
3360	{	4025	{
		4026	# configure IO::AIO
		4027
3361	IO::AIO::min_parallel 8;	4028	IO::AIO::min_parallel 8;
3362
3363	undef $Coro::AIO::WATCHER;
3364	IO::AIO::max_poll_time $TICK * 0.1;	4029	IO::AIO::max_poll_time $TICK * 0.1;
3365	$AIO_POLL_WATCHER = Event->io (	4030	undef $AnyEvent::AIO::WATCHER;
3366	reentrant => 0,
3367	data => WF_AUTOCANCEL,
3368	fd => IO::AIO::poll_fileno,
3369	poll => 'r',
3370	prio => 6,
3371	cb => \&IO::AIO::poll_cb,
3372	);
3373	}	4031	}
3374		4032
3375	my $_log_backtrace;	4033	my $_log_backtrace;
3376		4034
3377	sub _log_backtrace {	4035	sub _log_backtrace {
…		…
3380	$msg =~ s/\n//;	4038	$msg =~ s/\n//;
3381		4039
3382	# limit the # of concurrent backtraces	4040	# limit the # of concurrent backtraces
3383	if ($_log_backtrace < 2) {	4041	if ($_log_backtrace < 2) {
3384	++$_log_backtrace;	4042	++$_log_backtrace;
		4043	my $perl_bt = Carp::longmess $msg;
3385	async {	4044	async {
		4045	$Coro::current->{desc} = "abt $msg";
		4046
3386	my @bt = fork_call {	4047	my @bt = fork_call {
3387	@addr = map { sprintf "%x", $_ } @addr;	4048	@addr = map { sprintf "%x", $_ } @addr;
3388	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4049	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3389	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 |"
3390	or die "addr2line: $!";	4051	or die "addr2line: $!";
…		…
3398	}	4059	}
3399		4060
3400	@funcs	4061	@funcs
3401	};	4062	};
3402		4063
3403	LOG llevInfo, "[ABT] $msg\n";	4064	LOG llevInfo, "[ABT] $perl_bt\n";
		4065	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3404	LOG llevInfo, "[ABT] $_\n" for @bt;	4066	LOG llevInfo, "[ABT] $_\n" for @bt;
3405	--$_log_backtrace;	4067	--$_log_backtrace;
3406	};	4068	};
3407	} else {	4069	} else {
3408	LOG llevInfo, "[ABT] $msg\n";	4070	LOG llevInfo, "[ABT] $msg\n";
3409	LOG llevInfo, "[ABT] [suppressed]\n";	4071	LOG llevInfo, "[ABT] [suppressed]\n";
3410	}	4072	}
3411	}	4073	}
3412		4074
3413	# load additional modules	4075	# load additional modules
3414	use cf::pod;	4076	require "cf/$_.pm" for @EXTRA_MODULES;
		4077	cf::_connect_to_perl_2;
3415		4078
3416	END { cf::emergency_save }	4079	END { cf::emergency_save }
3417		4080
3418	1	4081	1
3419		4082

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