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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.324 by root, Sat Jul 28 14:23:17 2007 UTC vs.
Revision 1.504 by root, Sat Jan 30 23:50:16 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Socket;	31	use Socket;
9	use Storable;	32	use EV;
10	use Event;
11	use Opcode;	33	use Opcode;
12	use Safe;	34	use Safe;
13	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
14		38
		39	use Guard ();
15	use Coro 3.61 ();	40	use Coro ();
16	use Coro::State;	41	use Coro::State;
17	use Coro::Handle;	42	use Coro::Handle;
		43	use Coro::EV;
18	use Coro::Event;	44	use Coro::AnyEvent;
19	use Coro::Timer;	45	use Coro::Timer;
20	use Coro::Signal;	46	use Coro::Signal;
21	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
22	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
23	use Coro::Storable;	52	use Coro::Storable;
		53	use Coro::Util ();
24		54
25	use JSON::XS 1.4 ();	55	use JSON::XS 2.01 ();
26	use BDB ();	56	use BDB ();
27	use Data::Dumper;	57	use Data::Dumper;
28	use Digest::MD5;
29	use Fcntl;	58	use Fcntl;
30	use YAML::Syck ();	59	use YAML::XS ();
31	use IO::AIO 2.32 ();	60	use IO::AIO ();
32	use Time::HiRes;	61	use Time::HiRes;
33	use Compress::LZF;	62	use Compress::LZF;
34	use Digest::MD5 ();	63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
35		66
36	# configure various modules to our taste	67	# configure various modules to our taste
37	#	68	#
38	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
41		77
42	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
43		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
45	$YAML::Syck::ImplicitUnicode = 1;
46
47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
48		80
49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
50		82
51	our %COMMAND = ();	83	our %COMMAND = ();
52	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
…		…
55	our %EXTCMD = ();	87	our %EXTCMD = ();
56	our %EXTICMD = ();	88	our %EXTICMD = ();
57	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
58	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
59		91
60	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
61	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
62		96
63	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
64	our $DATADIR = datadir;	98	our $DATADIR = datadir;
65	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
66	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
67	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
68	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
73	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE;
74		112
75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	113	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
76	our $TICK_WATCHER;
77	our $AIO_POLL_WATCHER;
78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	114	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79	our $NEXT_TICK;	115	our $NEXT_TICK;
80	our $NOW;
81	our $USE_FSYNC = 1; # use fsync to write maps - default off	116	our $USE_FSYNC = 1; # use fsync to write maps - default on
82		117
		118	our $BDB_DEADLOCK_WATCHER;
		119	our $BDB_CHECKPOINT_WATCHER;
83	our $BDB_POLL_WATCHER;	120	our $BDB_TRICKLE_WATCHER;
84	our $DB_ENV;	121	our $DB_ENV;
		122
		123	our @EXTRA_MODULES = qw(pod match mapscript);
85		124
86	our %CFG;	125	our %CFG;
87		126
88	our $UPTIME; $UPTIME ||= time;	127	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;	128	our $RUNTIME;
		129	our $NOW;
90		130
91	our %PLAYER; # all users	131	our (%PLAYER, %PLAYER_LOADING); # all users
92	our %MAP; # all maps	132	our (%MAP, %MAP_LOADING ); # all maps
93	our $LINK_MAP; # the special {link} map, which is always available	133	our $LINK_MAP; # the special {link} map, which is always available
94		134
95	# used to convert map paths into valid unix filenames by replacing / by ∕	135	# used to convert map paths into valid unix filenames by replacing / by ∕
96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	136	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97		137
98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	138	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
99	our $LOADAVG; # same thing, but with alpha-smoothing	139	our $LOADAVG; # same thing, but with alpha-smoothing
		140	our $JITTER; # average jitter
100	our $tick_start; # for load detecting purposes	141	our $TICK_START; # for load detecting purposes
		142
		143	our @POST_INIT;
		144
		145	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		146	our $REALLY_UNLOOP; # never set to true, please :)
101		147
102	binmode STDOUT;	148	binmode STDOUT;
103	binmode STDERR;	149	binmode STDERR;
104		150
105	# read virtual server time, if available	151	# read virtual server time, if available
106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	152	unless ($RUNTIME || !-e $RUNTIMEFILE) {
107	open my $fh, "<", "$LOCALDIR/runtime"	153	open my $fh, "<", $RUNTIMEFILE
108	or die "unable to read runtime file: $!";	154	or die "unable to read $RUNTIMEFILE file: $!";
109	$RUNTIME = <$fh> + 0.;	155	$RUNTIME = <$fh> + 0.;
110	}	156	}
		157
		158	eval "sub TICK() { $TICK } 1" or die;
111		159
112	mkdir $_	160	mkdir $_
113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	161	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
114		162
115	our $EMERGENCY_POSITION;	163	our $EMERGENCY_POSITION;
116		164
117	sub cf::map::normalise;	165	sub cf::map::normalise;
		166
		167	#############################################################################
		168
		169	%REFLECT = ();
		170	for (@REFLECT) {
		171	my $reflect = JSON::XS::decode_json $_;
		172	$REFLECT{$reflect->{class}} = $reflect;
		173	}
		174
		175	# this is decidedly evil
		176	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
118		177
119	#############################################################################	178	#############################################################################
120		179
121	=head2 GLOBAL VARIABLES	180	=head2 GLOBAL VARIABLES
122		181
…		…
158		217
159	The raw value load value from the last tick.	218	The raw value load value from the last tick.
160		219
161	=item %cf::CFG	220	=item %cf::CFG
162		221
163	Configuration for the server, loaded from C</etc/crossfire/config>, or	222	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164	from wherever your confdir points to.	223	from wherever your confdir points to.
165		224
166	=item cf::wait_for_tick, cf::wait_for_tick_begin	225	=item cf::wait_for_tick, cf::wait_for_tick_begin
167		226
168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	227	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
169	returns directly I<after> the tick processing (and consequently, can only wake one process	228	returns directly I<after> the tick processing (and consequently, can only wake one process
170	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	229	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
171		230
172	=item @cf::INVOKE_RESULTS	231	=item @cf::INVOKE_RESULTS
173		232
174	This array contains the results of the last C<invoke ()> call. When	233	This array contains the results of the last C<invoke ()> call. When
175	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	234	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
176	that call.	235	that call.
177		236
		237	=item %cf::REFLECT
		238
		239	Contains, for each (C++) class name, a hash reference with information
		240	about object members (methods, scalars, arrays and flags) and other
		241	metadata, which is useful for introspection.
		242
178	=back	243	=back
179		244
180	=cut	245	=cut
181		246
182	BEGIN {	247	$Coro::State::WARNHOOK = sub {
183	*CORE::GLOBAL::warn = sub {
184	my $msg = join "", @_;	248	my $msg = join "", @_;
185		249
186	$msg .= "\n"	250	$msg .= "\n"
187	unless $msg =~ /\n$/;	251	unless $msg =~ /\n$/;
188		252
189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	253	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
190		254
191	utf8::encode $msg;
192	LOG llevError, $msg;	255	LOG llevError, $msg;
193	};	256	};
194	}	257
		258	$Coro::State::DIEHOOK = sub {
		259	return unless $^S eq 0; # "eq", not "=="
		260
		261	warn Carp::longmess $_[0];
		262
		263	if ($Coro::current == $Coro::main) {#d#
		264	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		265	return;#d#
		266	}#d#
		267
		268	# kill coroutine otherwise
		269	Coro::terminate
		270	};
195		271
196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	272	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	273	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	274	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	275	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
206	for my $pkg (qw(	282	for my $pkg (qw(
207	cf::global cf::attachable	283	cf::global cf::attachable
208	cf::object cf::object::player	284	cf::object cf::object::player
209	cf::client cf::player	285	cf::client cf::player
210	cf::arch cf::living	286	cf::arch cf::living
		287	cf::map cf::mapspace
211	cf::map cf::party cf::region	288	cf::party cf::region
212	)) {	289	)) {
213	no strict 'refs';
214	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	290	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
215	}	291	}
216		292
217	$Event::DIED = sub {	293	$EV::DIED = sub {
218	warn "error in event callback: @_";	294	Carp::cluck "error in event callback: @_";
219	};	295	};
220		296
221	#############################################################################	297	#############################################################################
222		298
223	=head2 UTILITY FUNCTIONS	299	=head2 UTILITY FUNCTIONS
…		…
245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	321	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
246	$d	322	$d
247	} || "[unable to dump $_[0]: '$@']";	323	} || "[unable to dump $_[0]: '$@']";
248	}	324	}
249		325
250	=item $ref = cf::from_json $json	326	=item $ref = cf::decode_json $json
251		327
252	Converts a JSON string into the corresponding perl data structure.	328	Converts a JSON string into the corresponding perl data structure.
253		329
254	=item $json = cf::to_json $ref	330	=item $json = cf::encode_json $ref
255		331
256	Converts a perl data structure into its JSON representation.	332	Converts a perl data structure into its JSON representation.
257		333
258	=cut	334	=cut
259		335
260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	336	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
261		337
262	sub to_json ($) { $json_coder->encode ($_[0]) }	338	sub encode_json($) { $json_coder->encode ($_[0]) }
263	sub from_json ($) { $json_coder->decode ($_[0]) }	339	sub decode_json($) { $json_coder->decode ($_[0]) }
		340
		341	=item cf::post_init { BLOCK }
		342
		343	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		344	but I<before> the server starts ticking again.
		345
		346	The cdoeblock will have a single boolean argument to indicate whether this
		347	is a reload or not.
		348
		349	=cut
		350
		351	sub post_init(&) {
		352	push @POST_INIT, shift;
		353	}
264		354
265	=item cf::lock_wait $string	355	=item cf::lock_wait $string
266		356
267	Wait until the given lock is available. See cf::lock_acquire.	357	Wait until the given lock is available. See cf::lock_acquire.
268		358
269	=item my $lock = cf::lock_acquire $string	359	=item my $lock = cf::lock_acquire $string
270		360
271	Wait until the given lock is available and then acquires it and returns	361	Wait until the given lock is available and then acquires it and returns
272	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	362	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
273	for example when the coroutine gets canceled), the lock is automatically	363	for example when the coroutine gets canceled), the lock is automatically
274	returned.	364	returned.
275		365
		366	Locks are *not* recursive, locking from the same coro twice results in a
		367	deadlocked coro.
		368
276	Lock names should begin with a unique identifier (for example, cf::map::find	369	Lock names should begin with a unique identifier (for example, cf::map::find
277	uses map_find and cf::map::load uses map_load).	370	uses map_find and cf::map::load uses map_load).
278		371
279	=item $locked = cf::lock_active $string	372	=item $locked = cf::lock_active $string
280		373
281	Return true if the lock is currently active, i.e. somebody has locked it.	374	Return true if the lock is currently active, i.e. somebody has locked it.
282		375
283	=cut	376	=cut
284		377
285	our %LOCK;	378	our $LOCKS = new Coro::SemaphoreSet;
286		379
287	sub lock_wait($) {	380	sub lock_wait($) {
288	my ($key) = @_;	381	$LOCKS->wait ($_[0]);
289
290	# wait for lock, if any
291	while ($LOCK{$key}) {
292	push @{ $LOCK{$key} }, $Coro::current;
293	Coro::schedule;
294	}
295	}	382	}
296		383
297	sub lock_acquire($) {	384	sub lock_acquire($) {
298	my ($key) = @_;	385	$LOCKS->guard ($_[0])
299
300	# wait, to be sure we are not locked
301	lock_wait $key;
302
303	$LOCK{$key} = [];
304
305	Coro::guard {
306	# wake up all waiters, to be on the safe side
307	$_->ready for @{ delete $LOCK{$key} };
308	}
309	}	386	}
310		387
311	sub lock_active($) {	388	sub lock_active($) {
312	my ($key) = @_;	389	$LOCKS->count ($_[0]) < 1
313
314	! ! $LOCK{$key}
315	}	390	}
316		391
317	sub freeze_mainloop {	392	sub freeze_mainloop {
318	return unless $TICK_WATCHER->is_active;	393	tick_inhibit_inc;
319		394
320	my $guard = Coro::guard {	395	&Guard::guard (\&tick_inhibit_dec);
321	$TICK_WATCHER->start;	396	}
322	};	397
323	$TICK_WATCHER->stop;	398	=item cf::periodic $interval, $cb
324	$guard	399
		400	Like EV::periodic, but randomly selects a starting point so that the actions
		401	get spread over timer.
		402
		403	=cut
		404
		405	sub periodic($$) {
		406	my ($interval, $cb) = @_;
		407
		408	my $start = rand List::Util::min 180, $interval;
		409
		410	EV::periodic $start, $interval, 0, $cb
325	}	411	}
326		412
327	=item cf::get_slot $time[, $priority[, $name]]	413	=item cf::get_slot $time[, $priority[, $name]]
328		414
329	Allocate $time seconds of blocking CPU time at priority C<$priority>:	415	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
337		423
338	=cut	424	=cut
339		425
340	our @SLOT_QUEUE;	426	our @SLOT_QUEUE;
341	our $SLOT_QUEUE;	427	our $SLOT_QUEUE;
		428	our $SLOT_DECAY = 0.9;
342		429
343	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	430	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
344	$SLOT_QUEUE = Coro::async {	431	$SLOT_QUEUE = Coro::async {
		432	$Coro::current->desc ("timeslot manager");
		433
345	my $signal = new Coro::Signal;	434	my $signal = new Coro::Signal;
		435	my $busy;
346		436
347	while () {	437	while () {
348	next_job:	438	next_job:
		439
349	my $avail = cf::till_tick;	440	my $avail = cf::till_tick;
350	if ($avail > 0.01) {	441
351	for (0 .. $#SLOT_QUEUE) {	442	for (0 .. $#SLOT_QUEUE) {
352	if ($SLOT_QUEUE[$_][0] < $avail) {	443	if ($SLOT_QUEUE[$_][0] <= $avail) {
		444	$busy = 0;
353	my $job = splice @SLOT_QUEUE, $_, 1, ();	445	my $job = splice @SLOT_QUEUE, $_, 1, ();
354	$job->[2]->send;	446	$job->[2]->send;
355	Coro::cede;	447	Coro::cede;
356	goto next_job;	448	goto next_job;
357	}	449	} else {
		450	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
358	}	451	}
359	}	452	}
360		453
361	if (@SLOT_QUEUE) {	454	if (@SLOT_QUEUE) {
362	# we do not use wait_For_tick() as it returns immediately when tick is inactive	455	# we do not use wait_for_tick() as it returns immediately when tick is inactive
363	push @cf::WAIT_FOR_TICK, $signal;	456	push @cf::WAIT_FOR_TICK, $signal;
364	$signal->wait;	457	$signal->wait;
365	} else {	458	} else {
		459	$busy = 0;
366	Coro::schedule;	460	Coro::schedule;
367	}	461	}
368	}	462	}
369	};	463	};
370		464
371	sub get_slot($;$$) {	465	sub get_slot($;$$) {
		466	return if tick_inhibit || $Coro::current == $Coro::main;
		467
372	my ($time, $pri, $name) = @_;	468	my ($time, $pri, $name) = @_;
373		469
374	$time = $TICK * .6 if $time > $TICK * .6;	470	$time = clamp $time, 0.01, $TICK * .6;
		471
375	my $sig = new Coro::Signal;	472	my $sig = new Coro::Signal;
376		473
377	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	474	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
378	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	475	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
379	$SLOT_QUEUE->ready;	476	$SLOT_QUEUE->ready;
…		…
390		487
391	BEGIN { *async = \&Coro::async_pool }	488	BEGIN { *async = \&Coro::async_pool }
392		489
393	=item cf::sync_job { BLOCK }	490	=item cf::sync_job { BLOCK }
394		491
395	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	492	The design of Deliantra requires that the main coroutine ($Coro::main)
396	is always able to handle events or runnable, as Crossfire TRT is only	493	is always able to handle events or runnable, as Deliantra is only
397	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	494	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
398	acceptable.	495	acceptable.
399		496
400	If it must be done, put the blocking parts into C<sync_job>. This will run	497	If it must be done, put the blocking parts into C<sync_job>. This will run
401	the given BLOCK in another coroutine while waiting for the result. The	498	the given BLOCK in another coroutine while waiting for the result. The
…		…
406		503
407	sub sync_job(&) {	504	sub sync_job(&) {
408	my ($job) = @_;	505	my ($job) = @_;
409		506
410	if ($Coro::current == $Coro::main) {	507	if ($Coro::current == $Coro::main) {
411	my $time = Event::time;	508	my $time = EV::time;
412		509
413	# this is the main coro, too bad, we have to block	510	# this is the main coro, too bad, we have to block
414	# till the operation succeeds, freezing the server :/	511	# till the operation succeeds, freezing the server :/
415		512
416	# TODO: use suspend/resume instead	513	LOG llevError, Carp::longmess "sync job";#d#
417	# (but this is cancel-safe)	514
418	my $freeze_guard = freeze_mainloop;	515	my $freeze_guard = freeze_mainloop;
419		516
420	my $busy = 1;	517	my $busy = 1;
421	my @res;	518	my @res;
422		519
423	(async {	520	(async {
		521	$Coro::current->desc ("sync job coro");
424	@res = eval { $job->() };	522	@res = eval { $job->() };
425	warn $@ if $@;	523	warn $@ if $@;
426	undef $busy;	524	undef $busy;
427	})->prio (Coro::PRIO_MAX);	525	})->prio (Coro::PRIO_MAX);
428		526
429	while ($busy) {	527	while ($busy) {
430	Coro::cede or Event::one_event;	528	if (Coro::nready) {
		529	Coro::cede_notself;
		530	} else {
		531	EV::loop EV::LOOP_ONESHOT;
431	}	532	}
		533	}
432		534
433	$time = Event::time - $time;	535	my $time = EV::time - $time;
434		536
435	LOG llevError | logBacktrace, Carp::longmess "long sync job"
436	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
437
438	$tick_start += $time; # do not account sync jobs to server load	537	$TICK_START += $time; # do not account sync jobs to server load
439		538
440	wantarray ? @res : $res[0]	539	wantarray ? @res : $res[0]
441	} else {	540	} else {
442	# we are in another coroutine, how wonderful, everything just works	541	# we are in another coroutine, how wonderful, everything just works
443		542
…		…
468	=item fork_call { }, $args	567	=item fork_call { }, $args
469		568
470	Executes the given code block with the given arguments in a seperate	569	Executes the given code block with the given arguments in a seperate
471	process, returning the results. Everything must be serialisable with	570	process, returning the results. Everything must be serialisable with
472	Coro::Storable. May, of course, block. Note that the executed sub may	571	Coro::Storable. May, of course, block. Note that the executed sub may
473	never block itself or use any form of Event handling.	572	never block itself or use any form of event handling.
474		573
475	=cut	574	=cut
476
477	sub _store_scalar {
478	open my $fh, ">", \my $buf
479	or die "fork_call: cannot open fh-to-buf in child : $!";
480	Storable::store_fd $_[0], $fh;
481	close $fh;
482
483	$buf
484	}
485		575
486	sub fork_call(&@) {	576	sub fork_call(&@) {
487	my ($cb, @args) = @_;	577	my ($cb, @args) = @_;
488		578
489	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	579	# we seemingly have to make a local copy of the whole thing,
490	# or die "socketpair: $!";	580	# otherwise perl prematurely frees the stuff :/
491	pipe my $fh1, my $fh2	581	# TODO: investigate and fix (likely this will be rather laborious)
492	or die "pipe: $!";
493		582
494	if (my $pid = fork) {	583	my @res = Coro::Util::fork_eval {
495	close $fh2;
496
497	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
498	warn "pst<$res>" unless $res =~ /^pst/;
499	$res = Coro::Storable::thaw $res;
500
501	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
502
503	Carp::confess $$res unless "ARRAY" eq ref $res;
504
505	return wantarray ? @$res : $res->[-1];
506	} else {
507	reset_signals;	584	reset_signals;
508	local $SIG{__WARN__};	585	&$cb
509	local $SIG{__DIE__};	586	}, @args;
510	# just in case, this hack effectively disables event
511	# in the child. cleaner and slower would be canceling all watchers,
512	# but this works for the time being.
513	local $Coro::idle;
514	$Coro::current->prio (Coro::PRIO_MAX);
515		587
516	eval {	588	wantarray ? @res : $res[-1]
517	close $fh1;	589	}
518		590
519	my @res = eval { $cb->(@args) };	591	=item $coin = coin_from_name $name
520		592
521	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;	593	=cut
522	close $fh2;
523	};
524		594
525	warn $@ if $@;	595	our %coin_alias = (
526	_exit 0;	596	"silver" => "silvercoin",
527	}	597	"silvercoin" => "silvercoin",
		598	"silvercoins" => "silvercoin",
		599	"gold" => "goldcoin",
		600	"goldcoin" => "goldcoin",
		601	"goldcoins" => "goldcoin",
		602	"platinum" => "platinacoin",
		603	"platinumcoin" => "platinacoin",
		604	"platinumcoins" => "platinacoin",
		605	"platina" => "platinacoin",
		606	"platinacoin" => "platinacoin",
		607	"platinacoins" => "platinacoin",
		608	"royalty" => "royalty",
		609	"royalties" => "royalty",
		610	);
		611
		612	sub coin_from_name($) {
		613	$coin_alias{$_[0]}
		614	? cf::arch::find $coin_alias{$_[0]}
		615	: undef
528	}	616	}
529		617
530	=item $value = cf::db_get $family => $key	618	=item $value = cf::db_get $family => $key
531		619
532	Returns a single value from the environment database.	620	Returns a single value from the environment database.
…		…
534	=item cf::db_put $family => $key => $value	622	=item cf::db_put $family => $key => $value
535		623
536	Stores the given C<$value> in the family. It can currently store binary	624	Stores the given C<$value> in the family. It can currently store binary
537	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	625	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
538		626
		627	=item $db = cf::db_table "name"
		628
		629	Create and/or open a new database table. The string must not be "db" and must be unique
		630	within each server.
		631
539	=cut	632	=cut
		633
		634	sub db_table($) {
		635	my ($name) = @_;
		636	my $db = BDB::db_create $DB_ENV;
		637
		638	eval {
		639	$db->set_flags (BDB::CHKSUM);
		640
		641	utf8::encode $name;
		642	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		643	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		644	cf::cleanup "db_open(db): $!" if $!;
		645	};
		646	cf::cleanup "db_open(db): $@" if $@;
		647
		648	$db
		649	}
540		650
541	our $DB;	651	our $DB;
542		652
543	sub db_init {	653	sub db_init {
544	unless ($DB) {
545	$DB = BDB::db_create $DB_ENV;
546
547	cf::sync_job {	654	cf::sync_job {
548	eval {	655	$DB ||= db_table "db";
549	$DB->set_flags (BDB::CHKSUM);
550
551	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
552	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
553	cf::cleanup "db_open(db): $!" if $!;
554	};
555	cf::cleanup "db_open(db): $@" if $@;
556	};
557	}	656	};
558	}	657	}
559		658
560	sub db_get($$) {	659	sub db_get($$) {
561	my $key = "$_[0]/$_[1]";	660	my $key = "$_[0]/$_[1]";
562		661
…		…
612	if (1) {	711	if (1) {
613	$md5 =	712	$md5 =
614	join "\x00",	713	join "\x00",
615	$processversion,	714	$processversion,
616	map {	715	map {
617	Coro::cede;	716	cf::cede_to_tick;
618	($src->[$_], Digest::MD5::md5_hex $data[$_])	717	($src->[$_], Digest::MD5::md5_hex $data[$_])
619	} 0.. $#$src;	718	} 0.. $#$src;
620		719
621		720
622	my $dbmd5 = db_get cache => "$id/md5";	721	my $dbmd5 = db_get cache => "$id/md5";
…		…
660		759
661	#############################################################################	760	#############################################################################
662		761
663	=head2 ATTACHABLE OBJECTS	762	=head2 ATTACHABLE OBJECTS
664		763
665	Many objects in crossfire are so-called attachable objects. That means you can	764	Many objects in deliantra are so-called attachable objects. That means you can
666	attach callbacks/event handlers (a collection of which is called an "attachment")	765	attach callbacks/event handlers (a collection of which is called an "attachment")
667	to it. All such attachable objects support the following methods.	766	to it. All such attachable objects support the following methods.
668		767
669	In the following description, CLASS can be any of C<global>, C<object>	768	In the following description, CLASS can be any of C<global>, C<object>
670	C<player>, C<client> or C<map> (i.e. the attachable objects in	769	C<player>, C<client> or C<map> (i.e. the attachable objects in
671	Crossfire TRT).	770	Deliantra).
672		771
673	=over 4	772	=over 4
674		773
675	=item $attachable->attach ($attachment, key => $value...)	774	=item $attachable->attach ($attachment, key => $value...)
676		775
…		…
720	=item cf::CLASS::attachment $name, ...	819	=item cf::CLASS::attachment $name, ...
721		820
722	Register an attachment by C<$name> through which attachable objects of the	821	Register an attachment by C<$name> through which attachable objects of the
723	given CLASS can refer to this attachment.	822	given CLASS can refer to this attachment.
724		823
725	Some classes such as crossfire maps and objects can specify attachments	824	Some classes such as deliantra maps and objects can specify attachments
726	that are attached at load/instantiate time, thus the need for a name.	825	that are attached at load/instantiate time, thus the need for a name.
727		826
728	These calls expect any number of the following handler/hook descriptions:	827	These calls expect any number of the following handler/hook descriptions:
729		828
730	=over 4	829	=over 4
…		…
958	}	1057	}
959		1058
960	0	1059	0
961	}	1060	}
962		1061
963	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1062	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
964		1063
965	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1064	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
966		1065
967	Generate an object-specific event with the given arguments.	1066	Generate an object-specific event with the given arguments.
968		1067
…		…
974		1073
975	=cut	1074	=cut
976		1075
977	#############################################################################	1076	#############################################################################
978	# object support	1077	# object support
979	#
980		1078
		1079	sub _object_equal($$);
		1080	sub _object_equal($$) {
		1081	my ($a, $b) = @_;
		1082
		1083	return 0 unless (ref $a) eq (ref $b);
		1084
		1085	if ("HASH" eq ref $a) {
		1086	my @ka = keys %$a;
		1087	my @kb = keys %$b;
		1088
		1089	return 0 if @ka != @kb;
		1090
		1091	for (0 .. $#ka) {
		1092	return 0 unless $ka[$_] eq $kb[$_];
		1093	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1094	}
		1095
		1096	} elsif ("ARRAY" eq ref $a) {
		1097
		1098	return 0 if @$a != @$b;
		1099
		1100	for (0 .. $#$a) {
		1101	return 0 unless _object_equal $a->[$_], $b->[$_];
		1102	}
		1103
		1104	} elsif ($a ne $b) {
		1105	return 0;
		1106	}
		1107
		1108	1
		1109	}
		1110
		1111	our $SLOW_MERGES;#d#
981	sub _can_merge {	1112	sub _can_merge {
982	my ($ob1, $ob2) = @_;	1113	my ($ob1, $ob2) = @_;
983		1114
984	local $Storable::canonical = 1;	1115	++$SLOW_MERGES;#d#
985	my $fob1 = Storable::freeze $ob1;
986	my $fob2 = Storable::freeze $ob2;
987		1116
988	$fob1 eq $fob2	1117	# we do the slow way here
		1118	return _object_equal $ob1, $ob2
989	}	1119	}
990		1120
991	sub reattach {	1121	sub reattach {
992	# basically do the same as instantiate, without calling instantiate	1122	# basically do the same as instantiate, without calling instantiate
993	my ($obj) = @_;	1123	my ($obj) = @_;
994		1124
		1125	# no longer needed after getting rid of delete_package?
995	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1126	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
996		1127
997	my $registry = $obj->registry;	1128	my $registry = $obj->registry;
998		1129
999	@$registry = ();	1130	@$registry = ();
1000		1131
…		…
1015	cf::attachable->attach (	1146	cf::attachable->attach (
1016	prio => -1000000,	1147	prio => -1000000,
1017	on_instantiate => sub {	1148	on_instantiate => sub {
1018	my ($obj, $data) = @_;	1149	my ($obj, $data) = @_;
1019		1150
1020	$data = from_json $data;	1151	$data = decode_json $data;
1021		1152
1022	for (@$data) {	1153	for (@$data) {
1023	my ($name, $args) = @$_;	1154	my ($name, $args) = @$_;
1024		1155
1025	$obj->attach ($name, %{$args || {} });	1156	$obj->attach ($name, %{$args || {} });
…		…
1041	sub object_freezer_save {	1172	sub object_freezer_save {
1042	my ($filename, $rdata, $objs) = @_;	1173	my ($filename, $rdata, $objs) = @_;
1043		1174
1044	sync_job {	1175	sync_job {
1045	if (length $$rdata) {	1176	if (length $$rdata) {
		1177	utf8::decode (my $decname = $filename);
1046	warn sprintf "saving %s (%d,%d)\n",	1178	warn sprintf "saving %s (%d,%d)\n",
1047	$filename, length $$rdata, scalar @$objs;	1179	$decname, length $$rdata, scalar @$objs;
1048		1180
1049	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1181	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1050	chmod SAVE_MODE, $fh;	1182	aio_chmod $fh, SAVE_MODE;
1051	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1183	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1052	aio_fsync $fh if $cf::USE_FSYNC;	1184	if ($cf::USE_FSYNC) {
		1185	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1186	aio_fsync $fh;
		1187	}
1053	close $fh;	1188	aio_close $fh;
1054		1189
1055	if (@$objs) {	1190	if (@$objs) {
1056	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1191	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1057	chmod SAVE_MODE, $fh;	1192	aio_chmod $fh, SAVE_MODE;
1058	my $data = Storable::nfreeze { version => 1, objs => $objs };	1193	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1059	aio_write $fh, 0, (length $data), $data, 0;	1194	aio_write $fh, 0, (length $data), $data, 0;
1060	aio_fsync $fh if $cf::USE_FSYNC;	1195	if ($cf::USE_FSYNC) {
		1196	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1197	aio_fsync $fh;
		1198	}
1061	close $fh;	1199	aio_close $fh;
1062	aio_rename "$filename.pst~", "$filename.pst";	1200	aio_rename "$filename.pst~", "$filename.pst";
1063	}	1201	}
1064	} else {	1202	} else {
1065	aio_unlink "$filename.pst";	1203	aio_unlink "$filename.pst";
1066	}	1204	}
1067		1205
1068	aio_rename "$filename~", $filename;	1206	aio_rename "$filename~", $filename;
		1207
		1208	$filename =~ s%/[^/]+$%%;
		1209	aio_pathsync $filename if $cf::USE_FSYNC;
1069	} else {	1210	} else {
1070	warn "FATAL: $filename~: $!\n";	1211	warn "unable to save objects: $filename~: $!\n";
1071	}	1212	}
1072	} else {	1213	} else {
1073	aio_unlink $filename;	1214	aio_unlink $filename;
1074	aio_unlink "$filename.pst";	1215	aio_unlink "$filename.pst";
1075	}	1216	}
1076	}	1217	};
1077	}	1218	}
1078		1219
1079	sub object_freezer_as_string {	1220	sub object_freezer_as_string {
1080	my ($rdata, $objs) = @_;	1221	my ($rdata, $objs) = @_;
1081		1222
…		…
1093	or return;	1234	or return;
1094		1235
1095	unless (aio_stat "$filename.pst") {	1236	unless (aio_stat "$filename.pst") {
1096	(aio_load "$filename.pst", $av) >= 0	1237	(aio_load "$filename.pst", $av) >= 0
1097	or return;	1238	or return;
		1239
1098	$av = eval { (Storable::thaw $av)->{objs} };	1240	my $st = eval { Coro::Storable::thaw $av };
		1241	$av = $st->{objs};
1099	}	1242	}
1100		1243
		1244	utf8::decode (my $decname = $filename);
1101	warn sprintf "loading %s (%d)\n",	1245	warn sprintf "loading %s (%d,%d)\n",
1102	$filename, length $data, scalar @{$av || []};	1246	$decname, length $data, scalar @{$av || []};
		1247
1103	return ($data, $av);	1248	($data, $av)
1104	}	1249	}
1105		1250
1106	=head2 COMMAND CALLBACKS	1251	=head2 COMMAND CALLBACKS
1107		1252
1108	=over 4	1253	=over 4
…		…
1162	my ($name, $cb) = @_;	1307	my ($name, $cb) = @_;
1163		1308
1164	$EXTICMD{$name} = $cb;	1309	$EXTICMD{$name} = $cb;
1165	}	1310	}
1166		1311
		1312	use File::Glob ();
		1313
1167	cf::player->attach (	1314	cf::player->attach (
1168	on_command => sub {	1315	on_command => sub {
1169	my ($pl, $name, $params) = @_;	1316	my ($pl, $name, $params) = @_;
1170		1317
1171	my $cb = $COMMAND{$name}	1318	my $cb = $COMMAND{$name}
…		…
1186	my ($type, $reply, @payload) =	1333	my ($type, $reply, @payload) =
1187	"ARRAY" eq ref $msg	1334	"ARRAY" eq ref $msg
1188	? @$msg	1335	? @$msg
1189	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	1336	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1190		1337
		1338	my @reply;
		1339
1191	if (my $cb = $EXTCMD{$type}) {	1340	if (my $cb = $EXTCMD{$type}) {
1192	my @reply = $cb->($pl, @payload);	1341	@reply = $cb->($pl, @payload);
1193
1194	$pl->ext_reply ($reply, @reply)
1195	if $reply;
1196	}	1342	}
		1343
		1344	$pl->ext_reply ($reply, @reply)
		1345	if $reply;
		1346
1197	} else {	1347	} else {
1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1348	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1199	}	1349	}
1200		1350
1201	cf::override;	1351	cf::override;
1202	},	1352	},
1203	);	1353	);
		1354
		1355	# "readahead" all extensions
		1356	sub cache_extensions {
		1357	my $grp = IO::AIO::aio_group;
		1358
		1359	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1360	for (grep /\.ext$/, @{$_[0]}) {
		1361	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1362	}
		1363	};
		1364
		1365	$grp
		1366	}
1204		1367
1205	sub load_extensions {	1368	sub load_extensions {
1206	cf::sync_job {	1369	cf::sync_job {
1207	my %todo;	1370	my %todo;
1208		1371
…		…
1228		1391
1229	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1392	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1230	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1393	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1231		1394
1232	$ext{source} =	1395	$ext{source} =
1233	"package $pkg; use strict; use utf8;\n"	1396	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1234	. "#line 1 \"$path\"\n{\n"	1397	. "#line 1 \"$path\"\n{\n"
1235	. $source	1398	. $source
1236	. "\n};\n1";	1399	. "\n};\n1";
1237		1400
1238	$todo{$base} = \%ext;	1401	$todo{$base} = \%ext;
…		…
1254	my $msg = $@ ? "$v->{path}: $@\n"	1417	my $msg = $@ ? "$v->{path}: $@\n"
1255	: "$v->{base}: extension inactive.\n";	1418	: "$v->{base}: extension inactive.\n";
1256		1419
1257	if (exists $v->{meta}{mandatory}) {	1420	if (exists $v->{meta}{mandatory}) {
1258	warn $msg;	1421	warn $msg;
1259	warn "mandatory extension failed to load, exiting.\n";	1422	cf::cleanup "mandatory extension failed to load, exiting.";
1260	exit 1;
1261	}	1423	}
1262		1424
1263	warn $msg;	1425	warn $msg;
1264	}	1426	}
1265		1427
…		…
1279		1441
1280	=back	1442	=back
1281		1443
1282	=head2 CORE EXTENSIONS	1444	=head2 CORE EXTENSIONS
1283		1445
1284	Functions and methods that extend core crossfire objects.	1446	Functions and methods that extend core deliantra objects.
1285		1447
1286	=cut	1448	=cut
1287		1449
1288	package cf::player;	1450	package cf::player;
1289		1451
1290	use Coro::AIO;	1452	use Coro::AIO;
1291		1453
1292	=head3 cf::player	1454	=head3 cf::player
1293		1455
1294	=over 4	1456	=over 4
		1457
		1458	=item cf::player::num_playing
		1459
		1460	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1461
		1462	=cut
		1463
		1464	sub num_playing {
		1465	scalar grep
		1466	$_->ob->map
		1467	&& !$_->hidden
		1468	&& !$_->ob->flag (cf::FLAG_WIZ),
		1469	cf::player::list
		1470	}
1295		1471
1296	=item cf::player::find $login	1472	=item cf::player::find $login
1297		1473
1298	Returns the given player object, loading it if necessary (might block).	1474	Returns the given player object, loading it if necessary (might block).
1299		1475
…		…
1318		1494
1319	sub exists($) {	1495	sub exists($) {
1320	my ($login) = @_;	1496	my ($login) = @_;
1321		1497
1322	$cf::PLAYER{$login}	1498	$cf::PLAYER{$login}
1323	or cf::sync_job { !aio_stat path $login }	1499	or !aio_stat path $login
1324	}	1500	}
1325		1501
1326	sub find($) {	1502	sub find($) {
1327	return $cf::PLAYER{$_[0]} || do {	1503	return $cf::PLAYER{$_[0]} || do {
1328	my $login = $_[0];	1504	my $login = $_[0];
…		…
1335	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1511	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1336	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1512	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1337	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1513	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1338	aio_unlink +(playerdir $login) . "/$login.pl";	1514	aio_unlink +(playerdir $login) . "/$login.pl";
1339		1515
1340	my $pl = load_pl path $login	1516	my $f = new_from_file cf::object::thawer path $login
1341	or return;	1517	or return;
		1518
		1519	my $pl = cf::player::load_pl $f
		1520	or return;
		1521
		1522	local $cf::PLAYER_LOADING{$login} = $pl;
		1523	$f->resolve_delayed_derefs;
1342	$cf::PLAYER{$login} = $pl	1524	$cf::PLAYER{$login} = $pl
1343	}	1525	}
1344	}	1526	}
1345	}	1527	}
1346		1528
…		…
1355	return if $pl->{deny_save};	1537	return if $pl->{deny_save};
1356		1538
1357	aio_mkdir playerdir $pl, 0770;	1539	aio_mkdir playerdir $pl, 0770;
1358	$pl->{last_save} = $cf::RUNTIME;	1540	$pl->{last_save} = $cf::RUNTIME;
1359		1541
		1542	cf::get_slot 0.01;
		1543
1360	$pl->save_pl ($path);	1544	$pl->save_pl ($path);
1361	Coro::cede;	1545	cf::cede_to_tick;
1362	}	1546	}
1363		1547
1364	sub new($) {	1548	sub new($) {
1365	my ($login) = @_;	1549	my ($login) = @_;
1366		1550
…		…
1372	$cf::PLAYER{$login} = $self;	1556	$cf::PLAYER{$login} = $self;
1373		1557
1374	$self	1558	$self
1375	}	1559	}
1376		1560
		1561	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1562
		1563	=cut
		1564
		1565	sub send_msg {
		1566	my $ns = shift->ns
		1567	or return;
		1568	$ns->send_msg (@_);
		1569	}
		1570
1377	=item $pl->quit_character	1571	=item $pl->quit_character
1378		1572
1379	Nukes the player without looking back. If logged in, the connection will	1573	Nukes the player without looking back. If logged in, the connection will
1380	be destroyed. May block for a long time.	1574	be destroyed. May block for a long time.
1381		1575
…		…
1385	my ($pl) = @_;	1579	my ($pl) = @_;
1386		1580
1387	my $name = $pl->ob->name;	1581	my $name = $pl->ob->name;
1388		1582
1389	$pl->{deny_save} = 1;	1583	$pl->{deny_save} = 1;
1390	$pl->password ("*"); # this should lock out the player until we nuked the dir	1584	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1391		1585
1392	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1586	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1393	$pl->deactivate;	1587	$pl->deactivate;
		1588	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1589	$pl->ob->check_score;
1394	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1590	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1395	$pl->ns->destroy if $pl->ns;	1591	$pl->ns->destroy if $pl->ns;
1396		1592
1397	my $path = playerdir $pl;	1593	my $path = playerdir $pl;
1398	my $temp = "$path~$cf::RUNTIME~deleting~";	1594	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1434	or return [];	1630	or return [];
1435		1631
1436	my @logins;	1632	my @logins;
1437		1633
1438	for my $login (@$dirs) {	1634	for my $login (@$dirs) {
		1635	my $path = path $login;
		1636
		1637	# a .pst is a dead give-away for a valid player
		1638	# if no pst file found, open and chekc for blocked users
		1639	if (aio_stat "$path.pst") {
1439	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1640	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1440	aio_read $fh, 0, 512, my $buf, 0 or next;	1641	aio_read $fh, 0, 512, my $buf, 0 or next;
1441	$buf !~ /^password -------------$/m or next; # official not-valid tag	1642	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1643	}
1442		1644
1443	utf8::decode $login;	1645	utf8::decode $login;
1444	push @logins, $login;	1646	push @logins, $login;
1445	}	1647	}
1446		1648
…		…
1473	}	1675	}
1474		1676
1475	\@paths	1677	\@paths
1476	}	1678	}
1477		1679
1478	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1680	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1479		1681
1480	Expand crossfire pod fragments into protocol xml.	1682	Expand deliantra pod fragments into protocol xml.
1481
1482	=cut
1483
1484	sub expand_cfpod {
1485	((my $self), (local $_)) = @_;
1486
1487	# escape & and <
1488	s/&/&amp;/g;
1489	s/(?<![BIUGH])</&lt;/g;
1490
1491	# this is buggy, it needs to properly take care of nested <'s
1492
1493	1 while
1494	# replace B<>, I<>, U<> etc.
1495	s/B<([^\>]*)>/<b>$1<\/b>/
1496	|| s/I<([^\>]*)>/<i>$1<\/i>/
1497	|| s/U<([^\>]*)>/<u>$1<\/u>/
1498	# replace G<male|female> tags
1499	|| s{G<([^>|]*)\|([^>]*)>}{
1500	$self->gender ? $2 : $1
1501	}ge
1502	# replace H<hint text>
1503	|| s{H<([^\>]*)>}
1504	{
1505	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1506	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1507	"")
1508	[$self->{hintmode}]
1509	}ge;
1510
1511	# create single paragraphs (very hackish)
1512	s/(?<=\S)\n(?=\w)/ /g;
1513
1514	# compress some whitespace
1515	s/\s+\n/\n/g; # ws line-ends
1516	s/\n\n+/\n/g; # double lines
1517	s/^\n+//; # beginning lines
1518	s/\n+$//; # ending lines
1519
1520	$_
1521	}
1522
1523	sub hintmode {
1524	$_[0]{hintmode} = $_[1] if @_ > 1;
1525	$_[0]{hintmode}
1526	}
1527		1683
1528	=item $player->ext_reply ($msgid, @msg)	1684	=item $player->ext_reply ($msgid, @msg)
1529		1685
1530	Sends an ext reply to the player.	1686	Sends an ext reply to the player.
1531		1687
1532	=cut	1688	=cut
1533		1689
1534	sub ext_reply($$@) {	1690	sub ext_reply($$@) {
1535	my ($self, $id, @msg) = @_;	1691	my ($self, $id, @msg) = @_;
1536		1692
1537	if ($self->ns->extcmd == 2) {	1693	$self->ns->ext_reply ($id, @msg)
1538	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1539	} elsif ($self->ns->extcmd == 1) {
1540	#TODO: version 1, remove
1541	unshift @msg, msgtype => "reply", msgid => $id;
1542	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
1543	}
1544	}	1694	}
1545		1695
1546	=item $player->ext_msg ($type, @msg)	1696	=item $player->ext_msg ($type, @msg)
1547		1697
1548	Sends an ext event to the client.	1698	Sends an ext event to the client.
…		…
1604	our $MAX_RESET = 3600;	1754	our $MAX_RESET = 3600;
1605	our $DEFAULT_RESET = 3000;	1755	our $DEFAULT_RESET = 3000;
1606		1756
1607	sub generate_random_map {	1757	sub generate_random_map {
1608	my ($self, $rmp) = @_;	1758	my ($self, $rmp) = @_;
		1759
		1760	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1761
1609	# mit "rum" bekleckern, nicht	1762	# mit "rum" bekleckern, nicht
1610	$self->_create_random_map (	1763	$self->_create_random_map (
1611	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1764	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1612	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1765	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1613	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1766	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1735		1888
1736	# the temporary/swap location	1889	# the temporary/swap location
1737	sub save_path {	1890	sub save_path {
1738	my ($self) = @_;	1891	my ($self) = @_;
1739		1892
1740	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1893	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1741	"$TMPDIR/$path.map"	1894	"$TMPDIR/$path.map"
1742	}	1895	}
1743		1896
1744	# the unique path, undef == no special unique path	1897	# the unique path, undef == no special unique path
1745	sub uniq_path {	1898	sub uniq_path {
1746	my ($self) = @_;	1899	my ($self) = @_;
1747		1900
1748	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1901	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1749	"$UNIQUEDIR/$path"	1902	"$UNIQUEDIR/$path"
1750	}
1751
1752	# and all this just because we cannot iterate over
1753	# all maps in C++...
1754	sub change_all_map_light {
1755	my ($change) = @_;
1756
1757	$_->change_map_light ($change)
1758	for grep $_->outdoor, values %cf::MAP;
1759	}	1903	}
1760		1904
1761	sub decay_objects {	1905	sub decay_objects {
1762	my ($self) = @_;	1906	my ($self) = @_;
1763		1907
…		…
1776		1920
1777	sub load_header_from($) {	1921	sub load_header_from($) {
1778	my ($self, $path) = @_;	1922	my ($self, $path) = @_;
1779		1923
1780	utf8::encode $path;	1924	utf8::encode $path;
1781	#aio_open $path, O_RDONLY, 0	1925	my $f = new_from_file cf::object::thawer $path
1782	# or return;
1783
1784	$self->_load_header ($path)
1785	or return;	1926	or return;
		1927
		1928	$self->_load_header ($f)
		1929	or return;
		1930
		1931	local $MAP_LOADING{$self->{path}} = $self;
		1932	$f->resolve_delayed_derefs;
1786		1933
1787	$self->{load_path} = $path;	1934	$self->{load_path} = $path;
1788		1935
1789	1	1936	1
1790	}	1937	}
…		…
1844	sub find {	1991	sub find {
1845	my ($path, $origin) = @_;	1992	my ($path, $origin) = @_;
1846		1993
1847	$path = normalise $path, $origin && $origin->path;	1994	$path = normalise $path, $origin && $origin->path;
1848		1995
		1996	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1849	cf::lock_wait "map_find:$path";	1997	my $guard2 = cf::lock_acquire "map_find:$path";
1850		1998
1851	$cf::MAP{$path} || do {	1999	$cf::MAP{$path} || do {
1852	my $guard = cf::lock_acquire "map_find:$path";
1853	my $map = new_from_path cf::map $path	2000	my $map = new_from_path cf::map $path
1854	or return;	2001	or return;
1855		2002
1856	$map->{last_save} = $cf::RUNTIME;	2003	$map->{last_save} = $cf::RUNTIME;
1857		2004
…		…
1859	or return;	2006	or return;
1860		2007
1861	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2008	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1862	# doing this can freeze the server in a sync job, obviously	2009	# doing this can freeze the server in a sync job, obviously
1863	#$cf::WAIT_FOR_TICK->wait;	2010	#$cf::WAIT_FOR_TICK->wait;
		2011	undef $guard2;
		2012	undef $guard1;
1864	$map->reset;	2013	$map->reset;
1865	undef $guard;
1866	return find $path;	2014	return find $path;
1867	}	2015	}
1868		2016
1869	$cf::MAP{$path} = $map	2017	$cf::MAP{$path} = $map
1870	}	2018	}
1871	}	2019	}
1872		2020
1873	sub pre_load { }	2021	sub pre_load { }
1874	sub post_load { }	2022	#sub post_load { } # XS
1875		2023
1876	sub load {	2024	sub load {
1877	my ($self) = @_;	2025	my ($self) = @_;
1878		2026
1879	local $self->{deny_reset} = 1; # loading can take a long time	2027	local $self->{deny_reset} = 1; # loading can take a long time
1880		2028
1881	my $path = $self->{path};	2029	my $path = $self->{path};
1882		2030
1883	{	2031	{
1884	my $guard = cf::lock_acquire "map_load:$path";	2032	my $guard = cf::lock_acquire "map_data:$path";
1885		2033
		2034	return unless $self->valid;
1886	return if $self->in_memory != cf::MAP_SWAPPED;	2035	return unless $self->in_memory == cf::MAP_SWAPPED;
1887		2036
1888	$self->in_memory (cf::MAP_LOADING);	2037	$self->in_memory (cf::MAP_LOADING);
1889		2038
1890	$self->alloc;	2039	$self->alloc;
1891		2040
1892	$self->pre_load;	2041	$self->pre_load;
1893	Coro::cede;	2042	cf::cede_to_tick;
1894		2043
		2044	my $f = new_from_file cf::object::thawer $self->{load_path};
		2045	$f->skip_block;
1895	$self->_load_objects ($self->{load_path}, 1)	2046	$self->_load_objects ($f)
1896	or return;	2047	or return;
1897		2048
1898	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2049	$self->post_load_original
1899	if delete $self->{load_original};	2050	if delete $self->{load_original};
1900		2051
1901	if (my $uniq = $self->uniq_path) {	2052	if (my $uniq = $self->uniq_path) {
1902	utf8::encode $uniq;	2053	utf8::encode $uniq;
1903	if (aio_open $uniq, O_RDONLY, 0) {	2054	unless (aio_stat $uniq) {
		2055	if (my $f = new_from_file cf::object::thawer $uniq) {
1904	$self->clear_unique_items;	2056	$self->clear_unique_items;
1905	$self->_load_objects ($uniq, 0);	2057	$self->_load_objects ($f);
		2058	$f->resolve_delayed_derefs;
		2059	}
1906	}	2060	}
1907	}	2061	}
1908		2062
1909	Coro::cede;	2063	$f->resolve_delayed_derefs;
		2064
		2065	cf::cede_to_tick;
1910	# now do the right thing for maps	2066	# now do the right thing for maps
1911	$self->link_multipart_objects;	2067	$self->link_multipart_objects;
1912	$self->difficulty ($self->estimate_difficulty)	2068	$self->difficulty ($self->estimate_difficulty)
1913	unless $self->difficulty;	2069	unless $self->difficulty;
1914	Coro::cede;	2070	cf::cede_to_tick;
1915		2071
1916	unless ($self->{deny_activate}) {	2072	unless ($self->{deny_activate}) {
1917	$self->decay_objects;	2073	$self->decay_objects;
1918	$self->fix_auto_apply;	2074	$self->fix_auto_apply;
1919	$self->update_buttons;	2075	$self->update_buttons;
1920	Coro::cede;	2076	cf::cede_to_tick;
1921	$self->set_darkness_map;
1922	Coro::cede;
1923	$self->activate;	2077	$self->activate;
1924	}	2078	}
1925		2079
1926	$map->{last_save} = $cf::RUNTIME;	2080	$self->{last_save} = $cf::RUNTIME;
1927	$map->last_access ($cf::RUNTIME);	2081	$self->last_access ($cf::RUNTIME);
1928		2082
1929	$self->in_memory (cf::MAP_IN_MEMORY);	2083	$self->in_memory (cf::MAP_ACTIVE);
1930	}	2084	}
1931		2085
1932	$self->post_load;	2086	$self->post_load;
1933	}	2087	}
1934		2088
…		…
1943		2097
1944	$self	2098	$self
1945	}	2099	}
1946		2100
1947	# find and load all maps in the 3x3 area around a map	2101	# find and load all maps in the 3x3 area around a map
1948	sub load_diag {	2102	sub load_neighbours {
1949	my ($map) = @_;	2103	my ($map) = @_;
1950		2104
1951	my @diag; # diagonal neighbours	2105	my @neigh; # diagonal neighbours
1952		2106
1953	for (0 .. 3) {	2107	for (0 .. 3) {
1954	my $neigh = $map->tile_path ($_)	2108	my $neigh = $map->tile_path ($_)
1955	or next;	2109	or next;
1956	$neigh = find $neigh, $map	2110	$neigh = find $neigh, $map
1957	or next;	2111	or next;
1958	$neigh->load;	2112	$neigh->load;
1959		2113
		2114	push @neigh,
1960	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2115	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1961	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2116	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1962	}	2117	}
1963		2118
1964	for (@diag) {	2119	for (grep defined $_->[0], @neigh) {
		2120	my ($path, $origin) = @$_;
1965	my $neigh = find @$_	2121	my $neigh = find $path, $origin
1966	or next;	2122	or next;
1967	$neigh->load;	2123	$neigh->load;
1968	}	2124	}
1969	}	2125	}
1970		2126
…		…
1975	}	2131	}
1976		2132
1977	sub do_load_sync {	2133	sub do_load_sync {
1978	my ($map) = @_;	2134	my ($map) = @_;
1979		2135
		2136	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2137	if $Coro::current == $Coro::main;
		2138
1980	cf::sync_job { $map->load };	2139	cf::sync_job { $map->load };
1981	}	2140	}
1982		2141
1983	our %MAP_PREFETCH;	2142	our %MAP_PREFETCH;
1984	our $MAP_PREFETCHER = undef;	2143	our $MAP_PREFETCHER = undef;
1985		2144
1986	sub find_async {	2145	sub find_async {
1987	my ($path, $origin) = @_;	2146	my ($path, $origin, $load) = @_;
1988		2147
1989	$path = normalise $path, $origin && $origin->{path};	2148	$path = normalise $path, $origin && $origin->{path};
1990		2149
1991	if (my $map = $cf::MAP{$path}) {	2150	if (my $map = $cf::MAP{$path}) {
1992	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2151	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1993	}	2152	}
1994		2153
1995	undef $MAP_PREFETCH{$path};	2154	$MAP_PREFETCH{$path} |= $load;
		2155
1996	$MAP_PREFETCHER ||= cf::async {	2156	$MAP_PREFETCHER ||= cf::async {
		2157	$Coro::current->{desc} = "map prefetcher";
		2158
1997	while (%MAP_PREFETCH) {	2159	while (%MAP_PREFETCH) {
1998	for my $path (keys %MAP_PREFETCH) {	2160	while (my ($k, $v) = each %MAP_PREFETCH) {
1999	if (my $map = find $path) {	2161	if (my $map = find $k) {
2000	$map->load;	2162	$map->load if $v;
2001	}	2163	}
2002		2164
2003	delete $MAP_PREFETCH{$path};	2165	delete $MAP_PREFETCH{$k};
2004	}	2166	}
2005	}	2167	}
2006	undef $MAP_PREFETCHER;	2168	undef $MAP_PREFETCHER;
2007	};	2169	};
2008	$MAP_PREFETCHER->prio (6);	2170	$MAP_PREFETCHER->prio (6);
…		…
2011	}	2173	}
2012		2174
2013	sub save {	2175	sub save {
2014	my ($self) = @_;	2176	my ($self) = @_;
2015		2177
2016	my $lock = cf::lock_acquire "map_data:" . $self->path;	2178	my $lock = cf::lock_acquire "map_data:$self->{path}";
2017		2179
2018	$self->{last_save} = $cf::RUNTIME;	2180	$self->{last_save} = $cf::RUNTIME;
2019		2181
2020	return unless $self->dirty;	2182	return unless $self->dirty;
2021		2183
…		…
2027	return if $self->{deny_save};	2189	return if $self->{deny_save};
2028		2190
2029	local $self->{last_access} = $self->last_access;#d#	2191	local $self->{last_access} = $self->last_access;#d#
2030		2192
2031	cf::async {	2193	cf::async {
		2194	$Coro::current->{desc} = "map player save";
2032	$_->contr->save for $self->players;	2195	$_->contr->save for $self->players;
2033	};	2196	};
		2197
		2198	cf::get_slot 0.02;
2034		2199
2035	if ($uniq) {	2200	if ($uniq) {
2036	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2201	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2037	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2202	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2038	} else {	2203	} else {
…		…
2044	my ($self) = @_;	2209	my ($self) = @_;
2045		2210
2046	# save first because save cedes	2211	# save first because save cedes
2047	$self->save;	2212	$self->save;
2048		2213
2049	my $lock = cf::lock_acquire "map_data:" . $self->path;	2214	my $lock = cf::lock_acquire "map_data:$self->{path}";
2050		2215
2051	return if $self->players;	2216	return if $self->players;
2052	return if $self->in_memory != cf::MAP_IN_MEMORY;	2217	return if $self->in_memory != cf::MAP_ACTIVE;
2053	return if $self->{deny_save};	2218	return if $self->{deny_save};
2054		2219
		2220	$self->in_memory (cf::MAP_SWAPPED);
		2221
		2222	$self->deactivate;
		2223	$_->clear_links_to ($self) for values %cf::MAP;
2055	$self->clear;	2224	$self->clear;
2056	$self->in_memory (cf::MAP_SWAPPED);
2057	}	2225	}
2058		2226
2059	sub reset_at {	2227	sub reset_at {
2060	my ($self) = @_;	2228	my ($self) = @_;
2061		2229
…		…
2079		2247
2080	my $lock = cf::lock_acquire "map_data:$self->{path}";	2248	my $lock = cf::lock_acquire "map_data:$self->{path}";
2081		2249
2082	return if $self->players;	2250	return if $self->players;
2083		2251
2084	warn "resetting map ", $self->path;	2252	warn "resetting map ", $self->path, "\n";
2085		2253
2086	$self->in_memory (cf::MAP_SWAPPED);	2254	$self->in_memory (cf::MAP_SWAPPED);
2087		2255
2088	# need to save uniques path	2256	# need to save uniques path
2089	unless ($self->{deny_save}) {	2257	unless ($self->{deny_save}) {
…		…
2093	if $uniq;	2261	if $uniq;
2094	}	2262	}
2095		2263
2096	delete $cf::MAP{$self->path};	2264	delete $cf::MAP{$self->path};
2097		2265
		2266	$self->deactivate;
		2267	$_->clear_links_to ($self) for values %cf::MAP;
2098	$self->clear;	2268	$self->clear;
2099
2100	$_->clear_links_to ($self) for values %cf::MAP;
2101		2269
2102	$self->unlink_save;	2270	$self->unlink_save;
2103	$self->destroy;	2271	$self->destroy;
2104	}	2272	}
2105		2273
2106	my $nuke_counter = "aaaa";	2274	my $nuke_counter = "aaaa";
2107		2275
2108	sub nuke {	2276	sub nuke {
2109	my ($self) = @_;	2277	my ($self) = @_;
2110		2278
		2279	{
		2280	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2281
2111	delete $cf::MAP{$self->path};	2282	delete $cf::MAP{$self->path};
2112		2283
2113	$self->unlink_save;	2284	$self->unlink_save;
2114		2285
2115	bless $self, "cf::map";	2286	bless $self, "cf::map";
2116	delete $self->{deny_reset};	2287	delete $self->{deny_reset};
2117	$self->{deny_save} = 1;	2288	$self->{deny_save} = 1;
2118	$self->reset_timeout (1);	2289	$self->reset_timeout (1);
2119	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2290	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2120		2291
2121	$cf::MAP{$self->path} = $self;	2292	$cf::MAP{$self->path} = $self;
		2293	}
2122		2294
2123	$self->reset; # polite request, might not happen	2295	$self->reset; # polite request, might not happen
2124	}	2296	}
2125		2297
2126	=item $maps = cf::map::tmp_maps	2298	=item $maps = cf::map::tmp_maps
…		…
2168		2340
2169	sub unique_maps() {	2341	sub unique_maps() {
2170	[	2342	[
2171	map {	2343	map {
2172	utf8::decode $_;	2344	utf8::decode $_;
2173	/\.map$/	2345	s/\.map$//; # TODO future compatibility hack
		2346	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2347	? ()
2174	? normalise $_	2348	: normalise $_
2175	: ()
2176	} @{ aio_readdir $UNIQUEDIR or [] }	2349	} @{ aio_readdir $UNIQUEDIR or [] }
2177	]	2350	]
2178	}	2351	}
2179		2352
2180	package cf;	2353	=item cf::map::static_maps
		2354
		2355	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2356	file in the shared directory excluding F</styles> and F</editor>). May
		2357	block.
		2358
		2359	=cut
		2360
		2361	sub static_maps() {
		2362	my @dirs = "";
		2363	my @maps;
		2364
		2365	while (@dirs) {
		2366	my $dir = shift @dirs;
		2367
		2368	next if $dir eq "/styles" || $dir eq "/editor";
		2369
		2370	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2371	or return;
		2372
		2373	for (@$files) {
		2374	s/\.map$// or next;
		2375	utf8::decode $_;
		2376	push @maps, "$dir/$_";
		2377	}
		2378
		2379	push @dirs, map "$dir/$_", @$dirs;
		2380	}
		2381
		2382	\@maps
		2383	}
2181		2384
2182	=back	2385	=back
2183		2386
2184	=head3 cf::object	2387	=head3 cf::object
2185		2388
…		…
2189		2392
2190	=over 4	2393	=over 4
2191		2394
2192	=item $ob->inv_recursive	2395	=item $ob->inv_recursive
2193		2396
2194	Returns the inventory of the object _and_ their inventories, recursively.	2397	Returns the inventory of the object I<and> their inventories, recursively,
		2398	but I<not> the object itself.
2195		2399
2196	=cut	2400	=cut
2197		2401
2198	sub inv_recursive_;	2402	sub inv_recursive_;
2199	sub inv_recursive_ {	2403	sub inv_recursive_ {
…		…
2202		2406
2203	sub inv_recursive {	2407	sub inv_recursive {
2204	inv_recursive_ inv $_[0]	2408	inv_recursive_ inv $_[0]
2205	}	2409	}
2206		2410
		2411	=item $ref = $ob->ref
		2412
		2413	Creates and returns a persistent reference to an object that can be stored as a string.
		2414
		2415	=item $ob = cf::object::deref ($refstring)
		2416
		2417	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2418	even if the object actually exists. May block.
		2419
		2420	=cut
		2421
		2422	sub deref {
		2423	my ($ref) = @_;
		2424
		2425	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2426	my ($uuid, $name) = ($1, $2);
		2427	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2428	or return;
		2429	$pl->ob->uuid eq $uuid
		2430	or return;
		2431
		2432	$pl->ob
		2433	} else {
		2434	warn "$ref: cannot resolve object reference\n";
		2435	undef
		2436	}
		2437	}
		2438
2207	package cf;	2439	package cf;
2208		2440
2209	=back	2441	=back
2210		2442
2211	=head3 cf::object::player	2443	=head3 cf::object::player
…		…
2217	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2449	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2218	can be C<undef>. Does the right thing when the player is currently in a	2450	can be C<undef>. Does the right thing when the player is currently in a
2219	dialogue with the given NPC character.	2451	dialogue with the given NPC character.
2220		2452
2221	=cut	2453	=cut
		2454
		2455	our $SAY_CHANNEL = {
		2456	id => "say",
		2457	title => "Map",
		2458	reply => "say ",
		2459	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2460	};
		2461
		2462	our $CHAT_CHANNEL = {
		2463	id => "chat",
		2464	title => "Chat",
		2465	reply => "chat ",
		2466	tooltip => "Player chat and shouts, global to the server.",
		2467	};
2222		2468
2223	# rough implementation of a future "reply" method that works	2469	# rough implementation of a future "reply" method that works
2224	# with dialog boxes.	2470	# with dialog boxes.
2225	#TODO: the first argument must go, split into a $npc->reply_to ( method	2471	#TODO: the first argument must go, split into a $npc->reply_to ( method
2226	sub cf::object::player::reply($$$;$) {	2472	sub cf::object::player::reply($$$;$) {
…		…
2238	my $dialog = $pl->{npc_dialog};	2484	my $dialog = $pl->{npc_dialog};
2239	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2485	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2240		2486
2241	} else {	2487	} else {
2242	$msg = $npc->name . " says: $msg" if $npc;	2488	$msg = $npc->name . " says: $msg" if $npc;
2243	$self->message ($msg, $flags);	2489	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2244	}	2490	}
2245	}	2491	}
		2492	}
		2493
		2494	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2495
		2496	=cut
		2497
		2498	sub cf::object::send_msg {
		2499	my $pl = shift->contr
		2500	or return;
		2501	$pl->send_msg (@_);
2246	}	2502	}
2247		2503
2248	=item $player_object->may ("access")	2504	=item $player_object->may ("access")
2249		2505
2250	Returns wether the given player is authorized to access resource "access"	2506	Returns wether the given player is authorized to access resource "access"
…		…
2263		2519
2264	=item $player_object->enter_link	2520	=item $player_object->enter_link
2265		2521
2266	Freezes the player and moves him/her to a special map (C<{link}>).	2522	Freezes the player and moves him/her to a special map (C<{link}>).
2267		2523
2268	The player should be reasonably safe there for short amounts of time. You	2524	The player should be reasonably safe there for short amounts of time (e.g.
2269	I<MUST> call C<leave_link> as soon as possible, though.	2525	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2526	though, as the palyer cannot control the character while it is on the link
		2527	map.
2270		2528
2271	Will never block.	2529	Will never block.
2272		2530
2273	=item $player_object->leave_link ($map, $x, $y)	2531	=item $player_object->leave_link ($map, $x, $y)
2274		2532
…		…
2326	($x, $y) = (-1, -1)	2584	($x, $y) = (-1, -1)
2327	unless (defined $x) && (defined $y);	2585	unless (defined $x) && (defined $y);
2328		2586
2329	# use -1 or undef as default coordinates, not 0, 0	2587	# use -1 or undef as default coordinates, not 0, 0
2330	($x, $y) = ($map->enter_x, $map->enter_y)	2588	($x, $y) = ($map->enter_x, $map->enter_y)
2331	if $x <=0 && $y <= 0;	2589	if $x <= 0 && $y <= 0;
2332		2590
2333	$map->load;	2591	$map->load;
2334	$map->load_diag;	2592	$map->load_neighbours;
2335		2593
2336	return unless $self->contr->active;	2594	return unless $self->contr->active;
2337	$self->activate_recursive;
2338		2595
2339	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2596	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2340	$self->enter_map ($map, $x, $y);	2597	$self->enter_map ($map, $x, $y);
		2598
		2599	# only activate afterwards, to support waiting in hooks
		2600	$self->activate_recursive;
2341	}	2601	}
2342		2602
2343	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2603	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2344		2604
2345	Moves the player to the given map-path and coordinates by first freezing	2605	Moves the player to the given map-path and coordinates by first freezing
2346	her, loading and preparing them map, calling the provided $check callback	2606	her, loading and preparing them map, calling the provided $check callback
2347	that has to return the map if sucecssful, and then unfreezes the player on	2607	that has to return the map if sucecssful, and then unfreezes the player on
2348	the new (success) or old (failed) map position. In either case, $done will	2608	the new (success) or old (failed) map position. In either case, $done will
2349	be called at the end of this process.	2609	be called at the end of this process.
2350		2610
		2611	Note that $check will be called with a potentially non-loaded map, so if
		2612	it needs a loaded map it has to call C<< ->load >>.
		2613
2351	=cut	2614	=cut
2352		2615
2353	our $GOTOGEN;	2616	our $GOTOGEN;
2354		2617
2355	sub cf::object::player::goto {	2618	sub cf::object::player::goto {
…		…
2359	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2622	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2360		2623
2361	$self->enter_link;	2624	$self->enter_link;
2362		2625
2363	(async {	2626	(async {
		2627	$Coro::current->{desc} = "player::goto $path $x $y";
		2628
		2629	# *tag paths override both path and x|y
		2630	if ($path =~ /^\*(.*)$/) {
		2631	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2632	my $ob = $obs[rand @obs];
		2633
		2634	# see if we actually can go there
		2635	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2636	$ob = $obs[rand @obs];
		2637	} else {
		2638	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2639	}
		2640	# else put us there anyways for now #d#
		2641
		2642	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2643	} else {
		2644	($path, $x, $y) = (undef, undef, undef);
		2645	}
		2646	}
		2647
2364	my $map = eval {	2648	my $map = eval {
2365	my $map = cf::map::find $path;	2649	my $map = defined $path ? cf::map::find $path : undef;
2366		2650
2367	if ($map) {	2651	if ($map) {
2368	$map = $map->customise_for ($self);	2652	$map = $map->customise_for ($self);
2369	$map = $check->($map) if $check && $map;	2653	$map = $check->($map) if $check && $map;
2370	} else {	2654	} else {
2371	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2655	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2372	}	2656	}
2373		2657
2374	$map	2658	$map
2375	};	2659	};
2376		2660
…		…
2412	}	2696	}
2413		2697
2414	sub prepare_random_map {	2698	sub prepare_random_map {
2415	my ($exit) = @_;	2699	my ($exit) = @_;
2416		2700
2417	my $guard = cf::lock_acquire "exit_prepare:$exit";
2418
2419	# all this does is basically replace the /! path by	2701	# all this does is basically replace the /! path by
2420	# a new random map path (?random/...) with a seed	2702	# a new random map path (?random/...) with a seed
2421	# that depends on the exit object	2703	# that depends on the exit object
2422		2704
2423	my $rmp = parse_random_map_params $exit->msg;	2705	my $rmp = parse_random_map_params $exit->msg;
…		…
2425	if ($exit->map) {	2707	if ($exit->map) {
2426	$rmp->{region} = $exit->region->name;	2708	$rmp->{region} = $exit->region->name;
2427	$rmp->{origin_map} = $exit->map->path;	2709	$rmp->{origin_map} = $exit->map->path;
2428	$rmp->{origin_x} = $exit->x;	2710	$rmp->{origin_x} = $exit->x;
2429	$rmp->{origin_y} = $exit->y;	2711	$rmp->{origin_y} = $exit->y;
		2712
		2713	$exit->map->touch;
2430	}	2714	}
2431		2715
2432	$rmp->{random_seed} ||= $exit->random_seed;	2716	$rmp->{random_seed} ||= $exit->random_seed;
2433		2717
2434	my $data = cf::to_json $rmp;	2718	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2435	my $md5 = Digest::MD5::md5_hex $data;	2719	my $md5 = Digest::MD5::md5_hex $data;
2436	my $meta = "$RANDOMDIR/$md5.meta";	2720	my $meta = "$RANDOMDIR/$md5.meta";
2437		2721
2438	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2722	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2439	aio_write $fh, 0, (length $data), $data, 0;	2723	aio_write $fh, 0, (length $data), $data, 0;
2440	undef $fh;	2724	undef $fh;
2441	aio_rename "$meta~", $meta;	2725	aio_rename "$meta~", $meta;
2442		2726
		2727	my $slaying = "?random/$md5";
		2728
		2729	if ($exit->valid) {
2443	$exit->slaying ("?random/$md5");	2730	$exit->slaying ("?random/$md5");
2444	$exit->msg (undef);	2731	$exit->msg (undef);
		2732	}
2445	}	2733	}
2446	}	2734	}
2447		2735
2448	sub cf::object::player::enter_exit {	2736	sub cf::object::player::enter_exit {
2449	my ($self, $exit) = @_;	2737	my ($self, $exit) = @_;
2450		2738
2451	return unless $self->type == cf::PLAYER;	2739	return unless $self->type == cf::PLAYER;
2452		2740
2453	if ($exit->slaying eq "/!") {
2454	#TODO: this should de-fi-ni-te-ly not be a sync-job
2455	# the problem is that $exit might not survive long enough
2456	# so it needs to be done right now, right here
2457	cf::sync_job { prepare_random_map $exit };
2458	}
2459
2460	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2461	my $hp = $exit->stats->hp;
2462	my $sp = $exit->stats->sp;
2463
2464	$self->enter_link;	2741	$self->enter_link;
2465		2742
2466	# if exit is damned, update players death & WoR home-position
2467	$self->contr->savebed ($slaying, $hp, $sp)
2468	if $exit->flag (FLAG_DAMNED);
2469
2470	(async {	2743	(async {
2471	$self->deactivate_recursive; # just to be sure	2744	$Coro::current->{desc} = "enter_exit";
		2745
2472	unless (eval {	2746	unless (eval {
		2747	$self->deactivate_recursive; # just to be sure
		2748
		2749	# random map handling
		2750	{
		2751	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2752
		2753	prepare_random_map $exit
		2754	if $exit->slaying eq "/!";
		2755	}
		2756
		2757	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2758	my $x = $exit->stats->hp;
		2759	my $y = $exit->stats->sp;
		2760
2473	$self->goto ($slaying, $hp, $sp);	2761	$self->goto ($map, $x, $y);
2474		2762
		2763	# if exit is damned, update players death & WoR home-position
		2764	$self->contr->savebed ($map, $x, $y)
		2765	if $exit->flag (cf::FLAG_DAMNED);
		2766
2475	1;	2767	1
2476	}) {	2768	}) {
2477	$self->message ("Something went wrong deep within the crossfire server. "	2769	$self->message ("Something went wrong deep within the deliantra server. "
2478	. "I'll try to bring you back to the map you were before. "	2770	. "I'll try to bring you back to the map you were before. "
2479	. "Please report this to the dungeon master!",	2771	. "Please report this to the dungeon master!",
2480	cf::NDI_UNIQUE | cf::NDI_RED);	2772	cf::NDI_UNIQUE | cf::NDI_RED);
2481		2773
2482	warn "ERROR in enter_exit: $@";	2774	warn "ERROR in enter_exit: $@";
…		…
2499	sub cf::client::send_drawinfo {	2791	sub cf::client::send_drawinfo {
2500	my ($self, $text, $flags) = @_;	2792	my ($self, $text, $flags) = @_;
2501		2793
2502	utf8::encode $text;	2794	utf8::encode $text;
2503	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2795	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2796	}
		2797
		2798	=item $client->send_big_packet ($pkt)
		2799
		2800	Like C<send_packet>, but tries to compress large packets, and fragments
		2801	them as required.
		2802
		2803	=cut
		2804
		2805	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2806
		2807	sub cf::client::send_big_packet {
		2808	my ($self, $pkt) = @_;
		2809
		2810	# try lzf for large packets
		2811	$pkt = "lzf " . Compress::LZF::compress $pkt
		2812	if 1024 <= length $pkt and $self->{can_lzf};
		2813
		2814	# split very large packets
		2815	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2816	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2817	$pkt = "frag";
		2818	}
		2819
		2820	$self->send_packet ($pkt);
2504	}	2821	}
2505		2822
2506	=item $client->send_msg ($channel, $msg, $color, [extra...])	2823	=item $client->send_msg ($channel, $msg, $color, [extra...])
2507		2824
2508	Send a drawinfo or msg packet to the client, formatting the msg for the	2825	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2510	the message, with C<log> being the default. If C<$color> is negative, suppress	2827	the message, with C<log> being the default. If C<$color> is negative, suppress
2511	the message unless the client supports the msg packet.	2828	the message unless the client supports the msg packet.
2512		2829
2513	=cut	2830	=cut
2514		2831
		2832	# non-persistent channels (usually the info channel)
		2833	our %CHANNEL = (
		2834	"c/motd" => {
		2835	id => "infobox",
		2836	title => "MOTD",
		2837	reply => undef,
		2838	tooltip => "The message of the day",
		2839	},
		2840	"c/identify" => {
		2841	id => "infobox",
		2842	title => "Identify",
		2843	reply => undef,
		2844	tooltip => "Items recently identified",
		2845	},
		2846	"c/examine" => {
		2847	id => "infobox",
		2848	title => "Examine",
		2849	reply => undef,
		2850	tooltip => "Signs and other items you examined",
		2851	},
		2852	"c/shopinfo" => {
		2853	id => "infobox",
		2854	title => "Shop Info",
		2855	reply => undef,
		2856	tooltip => "What your bargaining skill tells you about the shop",
		2857	},
		2858	"c/book" => {
		2859	id => "infobox",
		2860	title => "Book",
		2861	reply => undef,
		2862	tooltip => "The contents of a note or book",
		2863	},
		2864	"c/lookat" => {
		2865	id => "infobox",
		2866	title => "Look",
		2867	reply => undef,
		2868	tooltip => "What you saw there",
		2869	},
		2870	"c/who" => {
		2871	id => "infobox",
		2872	title => "Players",
		2873	reply => undef,
		2874	tooltip => "Shows players who are currently online",
		2875	},
		2876	"c/body" => {
		2877	id => "infobox",
		2878	title => "Body Parts",
		2879	reply => undef,
		2880	tooltip => "Shows which body parts you posess and are available",
		2881	},
		2882	"c/statistics" => {
		2883	id => "infobox",
		2884	title => "Statistics",
		2885	reply => undef,
		2886	tooltip => "Shows your primary statistics",
		2887	},
		2888	"c/skills" => {
		2889	id => "infobox",
		2890	title => "Skills",
		2891	reply => undef,
		2892	tooltip => "Shows your experience per skill and item power",
		2893	},
		2894	"c/shopitems" => {
		2895	id => "infobox",
		2896	title => "Shop Items",
		2897	reply => undef,
		2898	tooltip => "Shows the items currently for sale in this shop",
		2899	},
		2900	"c/resistances" => {
		2901	id => "infobox",
		2902	title => "Resistances",
		2903	reply => undef,
		2904	tooltip => "Shows your resistances",
		2905	},
		2906	"c/pets" => {
		2907	id => "infobox",
		2908	title => "Pets",
		2909	reply => undef,
		2910	tooltip => "Shows information abotu your pets/a specific pet",
		2911	},
		2912	"c/perceiveself" => {
		2913	id => "infobox",
		2914	title => "Perceive Self",
		2915	reply => undef,
		2916	tooltip => "You gained detailed knowledge about yourself",
		2917	},
		2918	"c/uptime" => {
		2919	id => "infobox",
		2920	title => "Uptime",
		2921	reply => undef,
		2922	tooltip => "How long the server has been running since last restart",
		2923	},
		2924	"c/mapinfo" => {
		2925	id => "infobox",
		2926	title => "Map Info",
		2927	reply => undef,
		2928	tooltip => "Information related to the maps",
		2929	},
		2930	"c/party" => {
		2931	id => "party",
		2932	title => "Party",
		2933	reply => "gsay ",
		2934	tooltip => "Messages and chat related to your party",
		2935	},
		2936	"c/death" => {
		2937	id => "death",
		2938	title => "Death",
		2939	reply => undef,
		2940	tooltip => "Reason for and more info about your most recent death",
		2941	},
		2942	"c/say" => $SAY_CHANNEL,
		2943	"c/chat" => $CHAT_CHANNEL,
		2944	);
		2945
2515	sub cf::client::send_msg {	2946	sub cf::client::send_msg {
2516	my ($self, $channel, $msg, $color, @extra) = @_;	2947	my ($self, $channel, $msg, $color, @extra) = @_;
2517		2948
2518	$msg = $self->pl->expand_cfpod ($msg);	2949	$msg = $self->pl->expand_cfpod ($msg)
		2950	unless $color & cf::NDI_VERBATIM;
2519		2951
2520	$color &= cf::NDI_CLIENT_MASK; # just in case...	2952	$color &= cf::NDI_CLIENT_MASK; # just in case...
2521		2953
		2954	# check predefined channels, for the benefit of C
		2955	if ($CHANNEL{$channel}) {
		2956	$channel = $CHANNEL{$channel};
		2957
		2958	$self->ext_msg (channel_info => $channel);
		2959	$channel = $channel->{id};
		2960
2522	if (ref $channel) {	2961	} elsif (ref $channel) {
2523	# send meta info to client, if not yet sent	2962	# send meta info to client, if not yet sent
2524	unless (exists $self->{channel}{$channel->{id}}) {	2963	unless (exists $self->{channel}{$channel->{id}}) {
2525	$self->{channel}{$channel->{id}} = $channel;	2964	$self->{channel}{$channel->{id}} = $channel;
2526	$self->ext_msg (channel_info => $channel);	2965	$self->ext_msg (channel_info => $channel);
2527	}	2966	}
…		…
2529	$channel = $channel->{id};	2968	$channel = $channel->{id};
2530	}	2969	}
2531		2970
2532	return unless @extra || length $msg;	2971	return unless @extra || length $msg;
2533		2972
2534	if ($self->can_msg) {
2535	# default colour, mask it out	2973	# default colour, mask it out
2536	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2974	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2537	if $color & cf::NDI_DEF;	2975	if $color & cf::NDI_DEF;
2538		2976
2539	$self->send_packet ("msg " . $self->{json_coder}->encode (	2977	my $pkt = "msg "
		2978	. $self->{json_coder}->encode (
2540	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2979	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2541	} else {	2980	);
2542	if ($color >= 0) {
2543	# replace some tags by gcfclient-compatible ones
2544	for ($msg) {
2545	1 while
2546	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2547	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2548	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2549	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2550	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2551	}
2552		2981
2553	$color &= cf::NDI_COLOR_MASK;	2982	$self->send_big_packet ($pkt);
2554
2555	if (0 && $msg =~ /\[/) {
2556	$self->send_packet ("drawextinfo $color 4 0 $msg")
2557	} else {
2558	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2559	$self->send_packet ("drawinfo $color $msg")
2560	}
2561	}
2562	}
2563	}	2983	}
2564		2984
2565	=item $client->ext_msg ($type, @msg)	2985	=item $client->ext_msg ($type, @msg)
2566		2986
2567	Sends an ext event to the client.	2987	Sends an ext event to the client.
…		…
2569	=cut	2989	=cut
2570		2990
2571	sub cf::client::ext_msg($$@) {	2991	sub cf::client::ext_msg($$@) {
2572	my ($self, $type, @msg) = @_;	2992	my ($self, $type, @msg) = @_;
2573		2993
2574	my $extcmd = $self->extcmd;
2575
2576	if ($extcmd == 2) {	2994	if ($self->extcmd == 2) {
2577	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	2995	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2578	} elsif ($extcmd == 1) { # TODO: remove	2996	} elsif ($self->extcmd == 1) { # TODO: remove
2579	push @msg, msgtype => "event_$type";	2997	push @msg, msgtype => "event_$type";
2580	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	2998	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2999	}
		3000	}
		3001
		3002	=item $client->ext_reply ($msgid, @msg)
		3003
		3004	Sends an ext reply to the client.
		3005
		3006	=cut
		3007
		3008	sub cf::client::ext_reply($$@) {
		3009	my ($self, $id, @msg) = @_;
		3010
		3011	if ($self->extcmd == 2) {
		3012	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3013	} elsif ($self->extcmd == 1) {
		3014	#TODO: version 1, remove
		3015	unshift @msg, msgtype => "reply", msgid => $id;
		3016	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2581	}	3017	}
2582	}	3018	}
2583		3019
2584	=item $success = $client->query ($flags, "text", \&cb)	3020	=item $success = $client->query ($flags, "text", \&cb)
2585		3021
…		…
2646	my ($type, $reply, @payload) =	3082	my ($type, $reply, @payload) =
2647	"ARRAY" eq ref $msg	3083	"ARRAY" eq ref $msg
2648	? @$msg	3084	? @$msg
2649	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	3085	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2650		3086
		3087	my @reply;
		3088
2651	if (my $cb = $EXTICMD{$type}) {	3089	if (my $cb = $EXTICMD{$type}) {
2652	my @reply = $cb->($ns, @payload);	3090	@reply = $cb->($ns, @payload);
2653
2654	$ns->ext_reply ($reply, @reply)
2655	if $reply;
2656	}	3091	}
		3092
		3093	$ns->ext_reply ($reply, @reply)
		3094	if $reply;
		3095
2657	} else {	3096	} else {
2658	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3097	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2659	}	3098	}
2660		3099
2661	cf::override;	3100	cf::override;
…		…
2708	our $safe = new Safe "safe";	3147	our $safe = new Safe "safe";
2709	our $safe_hole = new Safe::Hole;	3148	our $safe_hole = new Safe::Hole;
2710		3149
2711	$SIG{FPE} = 'IGNORE';	3150	$SIG{FPE} = 'IGNORE';
2712		3151
2713	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3152	$safe->permit_only (Opcode::opset qw(
		3153	:base_core :base_mem :base_orig :base_math :base_loop
		3154	grepstart grepwhile mapstart mapwhile
		3155	sort time
		3156	));
2714		3157
2715	# here we export the classes and methods available to script code	3158	# here we export the classes and methods available to script code
2716		3159
2717	=pod	3160	=pod
2718		3161
2719	The following functions and methods are available within a safe environment:	3162	The following functions and methods are available within a safe environment:
2720		3163
2721	cf::object	3164	cf::object
2722	contr pay_amount pay_player map x y force_find force_add	3165	contr pay_amount pay_player map x y force_find force_add destroy
2723	insert remove	3166	insert remove name archname title slaying race decrease split
		3167	value
2724		3168
2725	cf::object::player	3169	cf::object::player
2726	player	3170	player
2727		3171
2728	cf::player	3172	cf::player
…		…
2733		3177
2734	=cut	3178	=cut
2735		3179
2736	for (	3180	for (
2737	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3181	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2738	insert remove)],	3182	insert remove inv nrof name archname title slaying race
		3183	decrease split destroy change_exp value msg lore send_msg)],
2739	["cf::object::player" => qw(player)],	3184	["cf::object::player" => qw(player)],
2740	["cf::player" => qw(peaceful)],	3185	["cf::player" => qw(peaceful send_msg)],
2741	["cf::map" => qw(trigger)],	3186	["cf::map" => qw(trigger)],
2742	) {	3187	) {
2743	no strict 'refs';	3188	no strict 'refs';
2744	my ($pkg, @funs) = @$_;	3189	my ($pkg, @funs) = @$_;
2745	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3190	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2763		3208
2764	my $qcode = $code;	3209	my $qcode = $code;
2765	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3210	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2766	$qcode =~ s/\n/\\n/g;	3211	$qcode =~ s/\n/\\n/g;
2767		3212
		3213	%vars = (_dummy => 0) unless %vars;
		3214
		3215	my @res;
2768	local $_;	3216	local $_;
2769	local @safe::cf::_safe_eval_args = values %vars;
2770		3217
2771	my $eval =	3218	my $eval =
2772	"do {\n"	3219	"do {\n"
2773	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3220	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2774	. "#line 0 \"{$qcode}\"\n"	3221	. "#line 0 \"{$qcode}\"\n"
2775	. $code	3222	. $code
2776	. "\n}"	3223	. "\n}"
2777	;	3224	;
2778		3225
		3226	if ($CFG{safe_eval}) {
2779	sub_generation_inc;	3227	sub_generation_inc;
		3228	local @safe::cf::_safe_eval_args = values %vars;
2780	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3229	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2781	sub_generation_inc;	3230	sub_generation_inc;
		3231	} else {
		3232	local @cf::_safe_eval_args = values %vars;
		3233	@res = wantarray ? eval eval : scalar eval $eval;
		3234	}
2782		3235
2783	if ($@) {	3236	if ($@) {
2784	warn "$@";	3237	warn "$@";
2785	warn "while executing safe code '$code'\n";	3238	warn "while executing safe code '$code'\n";
2786	warn "with arguments " . (join " ", %vars) . "\n";	3239	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2805	=cut	3258	=cut
2806		3259
2807	sub register_script_function {	3260	sub register_script_function {
2808	my ($fun, $cb) = @_;	3261	my ($fun, $cb) = @_;
2809		3262
2810	no strict 'refs';	3263	$fun = "safe::$fun" if $CFG{safe_eval};
2811	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3264	*$fun = $safe_hole->wrap ($cb);
2812	}	3265	}
2813		3266
2814	=back	3267	=back
2815		3268
2816	=cut	3269	=cut
…		…
2818	#############################################################################	3271	#############################################################################
2819	# the server's init and main functions	3272	# the server's init and main functions
2820		3273
2821	sub load_facedata($) {	3274	sub load_facedata($) {
2822	my ($path) = @_;	3275	my ($path) = @_;
		3276
		3277	# HACK to clear player env face cache, we need some signal framework
		3278	# for this (global event?)
		3279	%ext::player_env::MUSIC_FACE_CACHE = ();
		3280
		3281	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2823		3282
2824	warn "loading facedata from $path\n";	3283	warn "loading facedata from $path\n";
2825		3284
2826	my $facedata;	3285	my $facedata;
2827	0 < aio_load $path, $facedata	3286	0 < aio_load $path, $facedata
…		…
2830	$facedata = Coro::Storable::thaw $facedata;	3289	$facedata = Coro::Storable::thaw $facedata;
2831		3290
2832	$facedata->{version} == 2	3291	$facedata->{version} == 2
2833	or cf::cleanup "$path: version mismatch, cannot proceed.";	3292	or cf::cleanup "$path: version mismatch, cannot proceed.";
2834		3293
		3294	# patch in the exptable
		3295	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3296	$facedata->{resource}{"res/exp_table"} = {
		3297	type => FT_RSRC,
		3298	data => $exp_table,
		3299	hash => (Digest::MD5::md5 $exp_table),
		3300	};
		3301	cf::cede_to_tick;
		3302
2835	{	3303	{
2836	my $faces = $facedata->{faceinfo};	3304	my $faces = $facedata->{faceinfo};
2837		3305
2838	while (my ($face, $info) = each %$faces) {	3306	while (my ($face, $info) = each %$faces) {
2839	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3307	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3308
2840	cf::face::set_visibility $idx, $info->{visibility};	3309	cf::face::set_visibility $idx, $info->{visibility};
2841	cf::face::set_magicmap $idx, $info->{magicmap};	3310	cf::face::set_magicmap $idx, $info->{magicmap};
2842	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3311	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2843	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3312	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2844		3313
2845	cf::cede_to_tick;	3314	cf::cede_to_tick;
2846	}	3315	}
2847		3316
2848	while (my ($face, $info) = each %$faces) {	3317	while (my ($face, $info) = each %$faces) {
2849	next unless $info->{smooth};	3318	next unless $info->{smooth};
		3319
2850	my $idx = cf::face::find $face	3320	my $idx = cf::face::find $face
2851	or next;	3321	or next;
		3322
2852	if (my $smooth = cf::face::find $info->{smooth}) {	3323	if (my $smooth = cf::face::find $info->{smooth}) {
2853	cf::face::set_smooth $idx, $smooth;	3324	cf::face::set_smooth $idx, $smooth;
2854	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3325	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2855	} else {	3326	} else {
2856	warn "smooth face '$info->{smooth}' not found for face '$face'";	3327	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2870		3341
2871	cf::anim::invalidate_all; # d'oh	3342	cf::anim::invalidate_all; # d'oh
2872	}	3343	}
2873		3344
2874	{	3345	{
2875	# TODO: for gcfclient pleasure, we should give resources
2876	# that gcfclient doesn't grok a >10000 face index.
2877	my $res = $facedata->{resource};	3346	my $res = $facedata->{resource};
2878	my $enc = JSON::XS->new->utf8->canonical;
2879
2880	my $soundconf = delete $res->{"res/sound.conf"};
2881		3347
2882	while (my ($name, $info) = each %$res) {	3348	while (my ($name, $info) = each %$res) {
2883	my $meta = $enc->encode ({	3349	if (defined $info->{type}) {
2884	name => $name,
2885	%{ $info->{meta} || {} },
2886	});
2887
2888	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3350	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2889		3351
2890	if ($info->{type} & 1) {
2891	# prepend meta info
2892
2893	my $data = pack "(w/a*)*", $meta, $info->{data};
2894	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2895
2896	cf::face::set_data $idx, 0, $data, $chk;	3352	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3353	cf::face::set_type $idx, $info->{type};
2897	} else {	3354	} else {
2898	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};	3355	$RESOURCE{$name} = $info;
2899	}	3356	}
2900		3357
2901	cf::face::set_type $idx, $info->{type};
2902
2903	cf::cede_to_tick;	3358	cf::cede_to_tick;
2904	}	3359	}
2905
2906	if ($soundconf) {
2907	$soundconf = $enc->decode (delete $soundconf->{data});
2908
2909	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2910	my $sound = $soundconf->{compat}[$_]
2911	or next;
2912
2913	my $face = cf::face::find "sound/$sound->[1]";
2914
2915	cf::sound::set $sound->[0] => $face;
2916	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2917	}
2918
2919	#TODO
2920	}
2921	}	3360	}
		3361
		3362	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2922		3363
2923	1	3364	1
2924	}	3365	}
		3366
		3367	cf::global->attach (on_resource_update => sub {
		3368	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3369	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3370
		3371	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3372	my $sound = $soundconf->{compat}[$_]
		3373	or next;
		3374
		3375	my $face = cf::face::find "sound/$sound->[1]";
		3376	cf::sound::set $sound->[0] => $face;
		3377	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3378	}
		3379
		3380	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3381	my $face = cf::face::find "sound/$v";
		3382	cf::sound::set $k => $face;
		3383	}
		3384	}
		3385	});
2925		3386
2926	register_exticmd fx_want => sub {	3387	register_exticmd fx_want => sub {
2927	my ($ns, $want) = @_;	3388	my ($ns, $want) = @_;
2928		3389
2929	while (my ($k, $v) = each %$want) {	3390	while (my ($k, $v) = each %$want) {
2930	$ns->fx_want ($k, $v);	3391	$ns->fx_want ($k, $v);
2931	}	3392	}
2932	};	3393	};
2933		3394
		3395	sub load_resource_file($) {
		3396	my $guard = lock_acquire "load_resource_file";
		3397
		3398	my $status = load_resource_file_ $_[0];
		3399	get_slot 0.1, 100;
		3400	cf::arch::commit_load;
		3401
		3402	$status
		3403	}
		3404
2934	sub reload_regions {	3405	sub reload_regions {
		3406	# HACK to clear player env face cache, we need some signal framework
		3407	# for this (global event?)
		3408	%ext::player_env::MUSIC_FACE_CACHE = ();
		3409
2935	load_resource_file "$MAPDIR/regions"	3410	load_resource_file "$MAPDIR/regions"
2936	or die "unable to load regions file\n";	3411	or die "unable to load regions file\n";
2937		3412
2938	for (cf::region::list) {	3413	for (cf::region::list) {
2939	$_->{match} = qr/$_->{match}/	3414	$_->{match} = qr/$_->{match}/
…		…
2947	}	3422	}
2948		3423
2949	sub reload_archetypes {	3424	sub reload_archetypes {
2950	load_resource_file "$DATADIR/archetypes"	3425	load_resource_file "$DATADIR/archetypes"
2951	or die "unable to load archetypes\n";	3426	or die "unable to load archetypes\n";
2952	#d# NEED to laod twice to resolve forward references
2953	# this really needs to be done in an extra post-pass
2954	# (which needs to be synchronous, so solve it differently)
2955	load_resource_file "$DATADIR/archetypes"
2956	or die "unable to load archetypes\n";
2957	}	3427	}
2958		3428
2959	sub reload_treasures {	3429	sub reload_treasures {
2960	load_resource_file "$DATADIR/treasures"	3430	load_resource_file "$DATADIR/treasures"
2961	or die "unable to load treasurelists\n";	3431	or die "unable to load treasurelists\n";
2962	}	3432	}
2963		3433
2964	sub reload_resources {	3434	sub reload_resources {
2965	warn "reloading resource files...\n";	3435	warn "reloading resource files...\n";
2966		3436
		3437	reload_facedata;
		3438	reload_archetypes;
2967	reload_regions;	3439	reload_regions;
2968	reload_facedata;
2969	#reload_archetypes;#d#
2970	reload_archetypes;
2971	reload_treasures;	3440	reload_treasures;
2972		3441
2973	warn "finished reloading resource files\n";	3442	warn "finished reloading resource files\n";
2974	}	3443	}
2975		3444
2976	sub init {	3445	sub reload_config {
2977	reload_resources;	3446	warn "reloading config file...\n";
2978	}
2979		3447
2980	sub cfg_load {
2981	open my $fh, "<:utf8", "$CONFDIR/config"	3448	open my $fh, "<:utf8", "$CONFDIR/config"
2982	or return;	3449	or return;
2983		3450
2984	local $/;	3451	local $/;
2985	*CFG = YAML::Syck::Load <$fh>;	3452	*CFG = YAML::XS::Load scalar <$fh>;
2986		3453
2987	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3454	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2988		3455
2989	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3456	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2990	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3457	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2994	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3461	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2995	and die "WARNING: m(un)lockall failed: $!\n";	3462	and die "WARNING: m(un)lockall failed: $!\n";
2996	};	3463	};
2997	warn $@ if $@;	3464	warn $@ if $@;
2998	}	3465	}
		3466
		3467	warn "finished reloading resource files\n";
		3468	}
		3469
		3470	sub pidfile() {
		3471	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3472	or die "$PIDFILE: $!";
		3473	flock $fh, &Fcntl::LOCK_EX
		3474	or die "$PIDFILE: flock: $!";
		3475	$fh
		3476	}
		3477
		3478	# make sure only one server instance is running at any one time
		3479	sub atomic {
		3480	my $fh = pidfile;
		3481
		3482	my $pid = <$fh>;
		3483	kill 9, $pid if $pid > 0;
		3484
		3485	seek $fh, 0, 0;
		3486	print $fh $$;
		3487	}
		3488
		3489	sub main_loop {
		3490	warn "EV::loop starting\n";
		3491	if (1) {
		3492	EV::loop;
		3493	}
		3494	warn "EV::loop returned\n";
		3495	goto &main_loop unless $REALLY_UNLOOP;
2999	}	3496	}
3000		3497
3001	sub main {	3498	sub main {
		3499	cf::init_globals; # initialise logging
		3500
		3501	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3502	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3503	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3504	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3505
		3506	cf::init_experience;
		3507	cf::init_anim;
		3508	cf::init_attackmess;
		3509	cf::init_dynamic;
		3510
		3511	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3512
3002	# we must not ever block the main coroutine	3513	# we must not ever block the main coroutine
3003	local $Coro::idle = sub {	3514	local $Coro::idle = sub {
3004	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3515	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3005	(async {	3516	(async {
3006	Event::one_event;	3517	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3518	EV::loop EV::LOOP_ONESHOT;
3007	})->prio (Coro::PRIO_MAX);	3519	})->prio (Coro::PRIO_MAX);
3008	};	3520	};
3009		3521
3010	cfg_load;	3522	evthread_start IO::AIO::poll_fileno;
		3523
		3524	cf::sync_job {
		3525	cf::load_settings;
		3526	cf::load_materials;
		3527
		3528	reload_resources;
		3529	reload_config;
3011	db_init;	3530	db_init;
		3531
		3532	cf::init_uuid;
		3533	cf::init_signals;
		3534	cf::init_commands;
		3535	cf::init_skills;
		3536
		3537	cf::init_beforeplay;
		3538
		3539	atomic;
		3540
3012	load_extensions;	3541	load_extensions;
3013		3542
3014	$TICK_WATCHER->start;	3543	utime time, time, $RUNTIMEFILE;
3015	Event::loop;	3544
		3545	# no (long-running) fork's whatsoever before this point(!)
		3546	use POSIX ();
		3547	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3548
		3549	(pop @POST_INIT)->(0) while @POST_INIT;
		3550	};
		3551
		3552	main_loop;
3016	}	3553	}
3017		3554
3018	#############################################################################	3555	#############################################################################
3019	# initialisation and cleanup	3556	# initialisation and cleanup
3020		3557
3021	# install some emergency cleanup handlers	3558	# install some emergency cleanup handlers
3022	BEGIN {	3559	BEGIN {
		3560	our %SIGWATCHER = ();
3023	for my $signal (qw(INT HUP TERM)) {	3561	for my $signal (qw(INT HUP TERM)) {
3024	Event->signal (	3562	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3025	reentrant => 0,
3026	data => WF_AUTOCANCEL,
3027	signal => $signal,
3028	prio => 0,
3029	cb => sub {
3030	cf::cleanup "SIG$signal";	3563	cf::cleanup "SIG$signal";
3031	},
3032	);	3564	};
3033	}	3565	}
3034	}	3566	}
3035		3567
3036	sub write_runtime {	3568	sub write_runtime_sync {
3037	my $runtime = "$LOCALDIR/runtime";
3038
3039	# first touch the runtime file to show we are still running:	3569	# first touch the runtime file to show we are still running:
3040	# the fsync below can take a very very long time.	3570	# the fsync below can take a very very long time.
3041		3571
3042	IO::AIO::aio_utime $runtime, undef, undef;	3572	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3043		3573
3044	my $guard = cf::lock_acquire "write_runtime";	3574	my $guard = cf::lock_acquire "write_runtime";
3045		3575
3046	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3576	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3047	or return;	3577	or return;
3048		3578
3049	my $value = $cf::RUNTIME + 90 + 10;	3579	my $value = $cf::RUNTIME + 90 + 10;
3050	# 10 is the runtime save interval, for a monotonic clock	3580	# 10 is the runtime save interval, for a monotonic clock
3051	# 60 allows for the watchdog to kill the server.	3581	# 60 allows for the watchdog to kill the server.
…		…
3061	aio_utime $fh, undef, undef;	3591	aio_utime $fh, undef, undef;
3062		3592
3063	close $fh	3593	close $fh
3064	or return;	3594	or return;
3065		3595
3066	aio_rename "$runtime~", $runtime	3596	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3067	and return;	3597	and return;
3068		3598
3069	warn "runtime file written.\n";	3599	warn "runtime file written.\n";
3070		3600
3071	1	3601	1
		3602	}
		3603
		3604	our $uuid_lock;
		3605	our $uuid_skip;
		3606
		3607	sub write_uuid_sync($) {
		3608	$uuid_skip ||= $_[0];
		3609
		3610	return if $uuid_lock;
		3611	local $uuid_lock = 1;
		3612
		3613	my $uuid = "$LOCALDIR/uuid";
		3614
		3615	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3616	or return;
		3617
		3618	my $value = uuid_seq uuid_cur;
		3619
		3620	unless ($value) {
		3621	warn "cowardly refusing to write zero uuid value!\n";
		3622	return;
		3623	}
		3624
		3625	my $value = uuid_str $value + $uuid_skip;
		3626	$uuid_skip = 0;
		3627
		3628	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3629	and return;
		3630
		3631	# always fsync - this file is important
		3632	aio_fsync $fh
		3633	and return;
		3634
		3635	close $fh
		3636	or return;
		3637
		3638	aio_rename "$uuid~", $uuid
		3639	and return;
		3640
		3641	warn "uuid file written ($value).\n";
		3642
		3643	1
		3644
		3645	}
		3646
		3647	sub write_uuid($$) {
		3648	my ($skip, $sync) = @_;
		3649
		3650	$sync ? write_uuid_sync $skip
		3651	: async { write_uuid_sync $skip };
3072	}	3652	}
3073		3653
3074	sub emergency_save() {	3654	sub emergency_save() {
3075	my $freeze_guard = cf::freeze_mainloop;	3655	my $freeze_guard = cf::freeze_mainloop;
3076		3656
3077	warn "enter emergency perl save\n";	3657	warn "emergency_perl_save: enter\n";
3078		3658
3079	cf::sync_job {	3659	cf::sync_job {
		3660	# this is a trade-off: we want to be very quick here, so
		3661	# save all maps without fsync, and later call a global sync
		3662	# (which in turn might be very very slow)
		3663	local $USE_FSYNC = 0;
		3664
3080	# use a peculiar iteration method to avoid tripping on perl	3665	# use a peculiar iteration method to avoid tripping on perl
3081	# refcount bugs in for. also avoids problems with players	3666	# refcount bugs in for. also avoids problems with players
3082	# and maps saved/destroyed asynchronously.	3667	# and maps saved/destroyed asynchronously.
3083	warn "begin emergency player save\n";	3668	warn "emergency_perl_save: begin player save\n";
3084	for my $login (keys %cf::PLAYER) {	3669	for my $login (keys %cf::PLAYER) {
3085	my $pl = $cf::PLAYER{$login} or next;	3670	my $pl = $cf::PLAYER{$login} or next;
3086	$pl->valid or next;	3671	$pl->valid or next;
		3672	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3087	$pl->save;	3673	$pl->save;
3088	}	3674	}
3089	warn "end emergency player save\n";	3675	warn "emergency_perl_save: end player save\n";
3090		3676
3091	warn "begin emergency map save\n";	3677	warn "emergency_perl_save: begin map save\n";
3092	for my $path (keys %cf::MAP) {	3678	for my $path (keys %cf::MAP) {
3093	my $map = $cf::MAP{$path} or next;	3679	my $map = $cf::MAP{$path} or next;
3094	$map->valid or next;	3680	$map->valid or next;
3095	$map->save;	3681	$map->save;
3096	}	3682	}
3097	warn "end emergency map save\n";	3683	warn "emergency_perl_save: end map save\n";
3098		3684
3099	warn "begin emergency database checkpoint\n";	3685	warn "emergency_perl_save: begin database checkpoint\n";
3100	BDB::db_env_txn_checkpoint $DB_ENV;	3686	BDB::db_env_txn_checkpoint $DB_ENV;
3101	warn "end emergency database checkpoint\n";	3687	warn "emergency_perl_save: end database checkpoint\n";
		3688
		3689	warn "emergency_perl_save: begin write uuid\n";
		3690	write_uuid_sync 1;
		3691	warn "emergency_perl_save: end write uuid\n";
3102	};	3692	};
3103		3693
		3694	warn "emergency_perl_save: starting sync()\n";
		3695	IO::AIO::aio_sync sub {
		3696	warn "emergency_perl_save: finished sync()\n";
		3697	};
		3698
3104	warn "leave emergency perl save\n";	3699	warn "emergency_perl_save: leave\n";
3105	}	3700	}
3106		3701
3107	sub post_cleanup {	3702	sub post_cleanup {
3108	my ($make_core) = @_;	3703	my ($make_core) = @_;
3109		3704
3110	warn Carp::longmess "post_cleanup backtrace"	3705	warn Carp::longmess "post_cleanup backtrace"
3111	if $make_core;	3706	if $make_core;
		3707
		3708	my $fh = pidfile;
		3709	unlink $PIDFILE if <$fh> == $$;
		3710	}
		3711
		3712	# a safer delete_package, copied from Symbol
		3713	sub clear_package($) {
		3714	my $pkg = shift;
		3715
		3716	# expand to full symbol table name if needed
		3717	unless ($pkg =~ /^main::.*::$/) {
		3718	$pkg = "main$pkg" if $pkg =~ /^::/;
		3719	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3720	$pkg .= '::' unless $pkg =~ /::$/;
		3721	}
		3722
		3723	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3724	my $stem_symtab = *{$stem}{HASH};
		3725
		3726	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3727	or return;
		3728
		3729	# clear all symbols
		3730	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3731	for my $name (keys %$leaf_symtab) {
		3732	_gv_clear *{"$pkg$name"};
		3733	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3734	}
		3735	warn "cleared package $pkg\n";#d#
3112	}	3736	}
3113		3737
3114	sub do_reload_perl() {	3738	sub do_reload_perl() {
3115	# can/must only be called in main	3739	# can/must only be called in main
3116	if ($Coro::current != $Coro::main) {	3740	if ($Coro::current != $Coro::main) {
3117	warn "can only reload from main coroutine";	3741	warn "can only reload from main coroutine";
3118	return;	3742	return;
3119	}	3743	}
3120		3744
		3745	return if $RELOAD++;
		3746
		3747	my $t1 = EV::time;
		3748
		3749	while ($RELOAD) {
3121	warn "reloading...";	3750	warn "reloading...";
3122		3751
3123	warn "entering sync_job";	3752	warn "entering sync_job";
3124		3753
3125	cf::sync_job {	3754	cf::sync_job {
3126	cf::write_runtime; # external watchdog should not bark	3755	cf::write_runtime_sync; # external watchdog should not bark
3127	cf::emergency_save;	3756	cf::emergency_save;
3128	cf::write_runtime; # external watchdog should not bark	3757	cf::write_runtime_sync; # external watchdog should not bark
3129		3758
3130	warn "syncing database to disk";	3759	warn "syncing database to disk";
3131	BDB::db_env_txn_checkpoint $DB_ENV;	3760	BDB::db_env_txn_checkpoint $DB_ENV;
3132		3761
3133	# if anything goes wrong in here, we should simply crash as we already saved	3762	# if anything goes wrong in here, we should simply crash as we already saved
3134		3763
3135	warn "cancelling all WF_AUTOCANCEL watchers";
3136	for (Event::all_watchers) {
3137	$_->cancel if $_->data & WF_AUTOCANCEL;
3138	}
3139
3140	warn "flushing outstanding aio requests";	3764	warn "flushing outstanding aio requests";
3141	for (;;) {
3142	BDB::flush;
3143	IO::AIO::flush;
3144	Coro::cede;
3145	last unless IO::AIO::nreqs || BDB::nreqs;	3765	while (IO::AIO::nreqs || BDB::nreqs) {
3146	warn "iterate...";	3766	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3147	}
3148
3149	++$RELOAD;
3150
3151	warn "cancelling all extension coros";
3152	$_->cancel for values %EXT_CORO;
3153	%EXT_CORO = ();
3154
3155	warn "removing commands";
3156	%COMMAND = ();
3157
3158	warn "removing ext/exti commands";
3159	%EXTCMD = ();
3160	%EXTICMD = ();
3161
3162	warn "unloading/nuking all extensions";
3163	for my $pkg (@EXTS) {
3164	warn "... unloading $pkg";
3165
3166	if (my $cb = $pkg->can ("unload")) {
3167	eval {
3168	$cb->($pkg);
3169	1
3170	} or warn "$pkg unloaded, but with errors: $@";
3171	}	3767	}
3172		3768
3173	warn "... nuking $pkg";	3769	warn "cancelling all extension coros";
3174	Symbol::delete_package $pkg;	3770	$_->cancel for values %EXT_CORO;
3175	}	3771	%EXT_CORO = ();
3176		3772
3177	warn "unloading all perl modules loaded from $LIBDIR";	3773	warn "removing commands";
3178	while (my ($k, $v) = each %INC) {	3774	%COMMAND = ();
3179	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3180		3775
		3776	warn "removing ext/exti commands";
		3777	%EXTCMD = ();
		3778	%EXTICMD = ();
		3779
		3780	warn "unloading/nuking all extensions";
		3781	for my $pkg (@EXTS) {
3181	warn "... unloading $k";	3782	warn "... unloading $pkg";
3182	delete $INC{$k};
3183		3783
3184	$k =~ s/\.pm$//;
3185	$k =~ s/\//::/g;
3186
3187	if (my $cb = $k->can ("unload_module")) {	3784	if (my $cb = $pkg->can ("unload")) {
		3785	eval {
3188	$cb->();	3786	$cb->($pkg);
		3787	1
		3788	} or warn "$pkg unloaded, but with errors: $@";
		3789	}
		3790
		3791	warn "... clearing $pkg";
		3792	clear_package $pkg;
3189	}	3793	}
3190		3794
3191	Symbol::delete_package $k;	3795	warn "unloading all perl modules loaded from $LIBDIR";
		3796	while (my ($k, $v) = each %INC) {
		3797	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3798
		3799	warn "... unloading $k";
		3800	delete $INC{$k};
		3801
		3802	$k =~ s/\.pm$//;
		3803	$k =~ s/\//::/g;
		3804
		3805	if (my $cb = $k->can ("unload_module")) {
		3806	$cb->();
		3807	}
		3808
		3809	clear_package $k;
3192	}	3810	}
3193		3811
3194	warn "getting rid of safe::, as good as possible";	3812	warn "getting rid of safe::, as good as possible";
3195	Symbol::delete_package "safe::$_"	3813	clear_package "safe::$_"
3196	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3814	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3197		3815
3198	warn "unloading cf.pm \"a bit\"";	3816	warn "unloading cf.pm \"a bit\"";
3199	delete $INC{"cf.pm"};	3817	delete $INC{"cf.pm"};
3200	delete $INC{"cf/pod.pm"};	3818	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3201		3819
3202	# don't, removes xs symbols, too,	3820	# don't, removes xs symbols, too,
3203	# and global variables created in xs	3821	# and global variables created in xs
3204	#Symbol::delete_package __PACKAGE__;	3822	#clear_package __PACKAGE__;
3205		3823
3206	warn "unload completed, starting to reload now";	3824	warn "unload completed, starting to reload now";
3207		3825
3208	warn "reloading cf.pm";	3826	warn "reloading cf.pm";
3209	require cf;	3827	require cf;
3210	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3828	cf::_connect_to_perl_1;
3211		3829
3212	warn "loading config and database again";	3830	warn "loading config and database again";
3213	cf::cfg_load;	3831	cf::reload_config;
3214		3832
3215	warn "loading extensions";	3833	warn "loading extensions";
3216	cf::load_extensions;	3834	cf::load_extensions;
3217		3835
		3836	if ($REATTACH_ON_RELOAD) {
3218	warn "reattaching attachments to objects/players";	3837	warn "reattaching attachments to objects/players";
3219	_global_reattach; # objects, sockets	3838	_global_reattach; # objects, sockets
3220	warn "reattaching attachments to maps";	3839	warn "reattaching attachments to maps";
3221	reattach $_ for values %MAP;	3840	reattach $_ for values %MAP;
3222	warn "reattaching attachments to players";	3841	warn "reattaching attachments to players";
3223	reattach $_ for values %PLAYER;	3842	reattach $_ for values %PLAYER;
		3843	}
3224		3844
		3845	warn "running post_init jobs";
		3846	(pop @POST_INIT)->(1) while @POST_INIT;
		3847
3225	warn "leaving sync_job";	3848	warn "leaving sync_job";
3226		3849
3227	1	3850	1
3228	} or do {	3851	} or do {
3229	warn $@;	3852	warn $@;
3230	warn "error while reloading, exiting.";	3853	cf::cleanup "error while reloading, exiting.";
3231	exit 1;
3232	};	3854	};
3233		3855
3234	warn "reloaded";	3856	warn "reloaded";
		3857	--$RELOAD;
		3858	}
		3859
		3860	$t1 = EV::time - $t1;
		3861	warn "reload completed in ${t1}s\n";
3235	};	3862	};
3236		3863
3237	our $RELOAD_WATCHER; # used only during reload	3864	our $RELOAD_WATCHER; # used only during reload
3238		3865
3239	sub reload_perl() {	3866	sub reload_perl() {
3240	# doing reload synchronously and two reloads happen back-to-back,	3867	# doing reload synchronously and two reloads happen back-to-back,
3241	# coro crashes during coro_state_free->destroy here.	3868	# coro crashes during coro_state_free->destroy here.
3242		3869
3243	$RELOAD_WATCHER ||= Event->timer (	3870	$RELOAD_WATCHER ||= cf::async {
3244	reentrant => 0,	3871	Coro::AIO::aio_wait cache_extensions;
3245	after => 0,	3872
3246	data => WF_AUTOCANCEL,	3873	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3247	cb => sub {
3248	do_reload_perl;	3874	do_reload_perl;
3249	undef $RELOAD_WATCHER;	3875	undef $RELOAD_WATCHER;
3250	},	3876	};
3251	);	3877	};
3252	}	3878	}
3253		3879
3254	register_command "reload" => sub {	3880	register_command "reload" => sub {
3255	my ($who, $arg) = @_;	3881	my ($who, $arg) = @_;
3256		3882
3257	if ($who->flag (FLAG_WIZ)) {	3883	if ($who->flag (FLAG_WIZ)) {
3258	$who->message ("reloading server.");	3884	$who->message ("reloading server.");
		3885	async {
		3886	$Coro::current->{desc} = "perl_reload";
3259	async { reload_perl };	3887	reload_perl;
		3888	};
3260	}	3889	}
3261	};	3890	};
3262		3891
3263	unshift @INC, $LIBDIR;	3892	unshift @INC, $LIBDIR;
3264		3893
…		…
3266		3895
3267	our @WAIT_FOR_TICK;	3896	our @WAIT_FOR_TICK;
3268	our @WAIT_FOR_TICK_BEGIN;	3897	our @WAIT_FOR_TICK_BEGIN;
3269		3898
3270	sub wait_for_tick {	3899	sub wait_for_tick {
3271	return unless $TICK_WATCHER->is_active;
3272	return if $Coro::current == $Coro::main;	3900	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3273		3901
3274	my $signal = new Coro::Signal;	3902	my $signal = new Coro::Signal;
3275	push @WAIT_FOR_TICK, $signal;	3903	push @WAIT_FOR_TICK, $signal;
3276	$signal->wait;	3904	$signal->wait;
3277	}	3905	}
3278		3906
3279	sub wait_for_tick_begin {	3907	sub wait_for_tick_begin {
3280	return unless $TICK_WATCHER->is_active;
3281	return if $Coro::current == $Coro::main;	3908	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3282		3909
3283	my $signal = new Coro::Signal;	3910	my $signal = new Coro::Signal;
3284	push @WAIT_FOR_TICK_BEGIN, $signal;	3911	push @WAIT_FOR_TICK_BEGIN, $signal;
3285	$signal->wait;	3912	$signal->wait;
3286	}	3913	}
3287		3914
3288	my $min = 1e6;#d#	3915	sub tick {
3289	my $avg = 10;
3290	$TICK_WATCHER = Event->timer (
3291	reentrant => 0,
3292	parked => 1,
3293	prio => 0,
3294	at => $NEXT_TICK || $TICK,
3295	data => WF_AUTOCANCEL,
3296	cb => sub {
3297	if ($Coro::current != $Coro::main) {	3916	if ($Coro::current != $Coro::main) {
3298	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3917	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3299	unless ++$bug_warning > 10;	3918	unless ++$bug_warning > 10;
3300	return;	3919	return;
3301	}	3920	}
3302		3921
3303	$NOW = $tick_start = Event::time;
3304
3305	cf::server_tick; # one server iteration	3922	cf::server_tick; # one server iteration
3306		3923
3307	0 && sync_job {#d#	3924	#for(1..3e6){} EV::now_update; $NOW=EV::now; # generate load #d#
3308	for(1..10) {
3309	my $t = Event::time;
3310	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3311	or die;
3312		3925
3313	$map->width (50);	3926	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3314	$map->height (50);	3927	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3315	$map->alloc;	3928	Coro::async_pool {
3316	$map->_load_objects ("/tmp/x.map", 1);	3929	$Coro::current->{desc} = "runtime saver";
3317	my $t = Event::time - $t;	3930	write_runtime_sync
3318		3931	or warn "ERROR: unable to write runtime file: $!";
3319	#next unless $t < 0.0013;#d#
3320	if ($t < $min) {
3321	$min = $t;
3322	}
3323	$avg = $avg * 0.99 + $t * 0.01;
3324	}
3325	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3326	exit 0;
3327	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3328	};	3932	};
		3933	}
3329		3934
3330	$RUNTIME += $TICK;
3331	$NEXT_TICK += $TICK;
3332
3333	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3334	$NEXT_RUNTIME_WRITE = $NOW + 10;
3335	Coro::async_pool {
3336	write_runtime
3337	or warn "ERROR: unable to write runtime file: $!";
3338	};
3339	}
3340
3341	# my $AFTER = Event::time;
3342	# warn $AFTER - $NOW;#d#
3343
3344	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3935	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3345	$sig->send;	3936	$sig->send;
3346	}	3937	}
3347	while (my $sig = shift @WAIT_FOR_TICK) {	3938	while (my $sig = shift @WAIT_FOR_TICK) {
3348	$sig->send;	3939	$sig->send;
3349	}	3940	}
3350		3941
3351	$NOW = Event::time;	3942	$LOAD = ($NOW - $TICK_START) / $TICK;
3352
3353	# if we are delayed by four ticks or more, skip them all
3354	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3355
3356	$TICK_WATCHER->at ($NEXT_TICK);
3357	$TICK_WATCHER->start;
3358
3359	$LOAD = ($NOW - $tick_start) / $TICK;
3360	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3943	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3361		3944
3362	_post_tick;	3945	if (0) {
3363		3946	if ($NEXT_TICK) {
3364		3947	my $jitter = $TICK_START - $NEXT_TICK;
		3948	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3949	warn "jitter $JITTER\n";#d#
		3950	}
3365	},	3951	}
3366	);	3952	}
3367		3953
3368	{	3954	{
3369	BDB::max_poll_time $TICK * 0.1;	3955	# configure BDB
3370	$BDB_POLL_WATCHER = Event->io (	3956
3371	reentrant => 0,
3372	fd => BDB::poll_fileno,
3373	poll => 'r',
3374	prio => 0,
3375	data => WF_AUTOCANCEL,
3376	cb => \&BDB::poll_cb,
3377	);
3378	BDB::min_parallel 8;	3957	BDB::min_parallel 16;
3379		3958	BDB::max_poll_reqs $TICK * 0.1;
3380	BDB::set_sync_prepare {	3959	$AnyEvent::BDB::WATCHER->priority (1);
3381	my $status;
3382	my $current = $Coro::current;
3383	(
3384	sub {
3385	$status = $!;
3386	$current->ready; undef $current;
3387	},
3388	sub {
3389	Coro::schedule while defined $current;
3390	$! = $status;
3391	},
3392	)
3393	};
3394		3960
3395	unless ($DB_ENV) {	3961	unless ($DB_ENV) {
3396	$DB_ENV = BDB::db_env_create;	3962	$DB_ENV = BDB::db_env_create;
		3963	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3964	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3965	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3966	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3967	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3397		3968
3398	cf::sync_job {	3969	cf::sync_job {
3399	eval {	3970	eval {
3400	BDB::db_env_open	3971	BDB::db_env_open
3401	$DB_ENV,	3972	$DB_ENV,
…		…
3403	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3974	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3404	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3975	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3405	0666;	3976	0666;
3406		3977
3407	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3978	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3408
3409	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3410	$DB_ENV->set_lk_detect;
3411	};	3979	};
3412		3980
3413	cf::cleanup "db_env_open(db): $@" if $@;	3981	cf::cleanup "db_env_open(db): $@" if $@;
3414	};	3982	};
3415	}	3983	}
		3984
		3985	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3986	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3987	};
		3988	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3989	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3990	};
		3991	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3992	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3993	};
3416	}	3994	}
3417		3995
3418	{	3996	{
		3997	# configure IO::AIO
		3998
3419	IO::AIO::min_parallel 8;	3999	IO::AIO::min_parallel 8;
3420
3421	undef $Coro::AIO::WATCHER;
3422	IO::AIO::max_poll_time $TICK * 0.1;	4000	IO::AIO::max_poll_time $TICK * 0.1;
3423	$AIO_POLL_WATCHER = Event->io (	4001	undef $AnyEvent::AIO::WATCHER;
3424	reentrant => 0,
3425	data => WF_AUTOCANCEL,
3426	fd => IO::AIO::poll_fileno,
3427	poll => 'r',
3428	prio => 6,
3429	cb => \&IO::AIO::poll_cb,
3430	);
3431	}	4002	}
3432		4003
3433	my $_log_backtrace;	4004	my $_log_backtrace;
3434		4005
3435	sub _log_backtrace {	4006	sub _log_backtrace {
…		…
3438	$msg =~ s/\n//;	4009	$msg =~ s/\n//;
3439		4010
3440	# limit the # of concurrent backtraces	4011	# limit the # of concurrent backtraces
3441	if ($_log_backtrace < 2) {	4012	if ($_log_backtrace < 2) {
3442	++$_log_backtrace;	4013	++$_log_backtrace;
		4014	my $perl_bt = Carp::longmess $msg;
3443	async {	4015	async {
		4016	$Coro::current->{desc} = "abt $msg";
		4017
3444	my @bt = fork_call {	4018	my @bt = fork_call {
3445	@addr = map { sprintf "%x", $_ } @addr;	4019	@addr = map { sprintf "%x", $_ } @addr;
3446	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4020	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3447	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4021	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3448	or die "addr2line: $!";	4022	or die "addr2line: $!";
…		…
3456	}	4030	}
3457		4031
3458	@funcs	4032	@funcs
3459	};	4033	};
3460		4034
3461	LOG llevInfo, "[ABT] $msg\n";	4035	LOG llevInfo, "[ABT] $perl_bt\n";
		4036	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3462	LOG llevInfo, "[ABT] $_\n" for @bt;	4037	LOG llevInfo, "[ABT] $_\n" for @bt;
3463	--$_log_backtrace;	4038	--$_log_backtrace;
3464	};	4039	};
3465	} else {	4040	} else {
3466	LOG llevInfo, "[ABT] $msg\n";	4041	LOG llevInfo, "[ABT] $msg\n";
3467	LOG llevInfo, "[ABT] [suppressed]\n";	4042	LOG llevInfo, "[ABT] [suppressed]\n";
3468	}	4043	}
3469	}	4044	}
3470		4045
3471	# load additional modules	4046	# load additional modules
3472	use cf::pod;	4047	require "cf/$_.pm" for @EXTRA_MODULES;
		4048	cf::_connect_to_perl_2;
3473		4049
3474	END { cf::emergency_save }	4050	END { cf::emergency_save }
3475		4051
3476	1	4052	1
3477		4053

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