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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.298 by root, Sun Jul 8 14:50:07 2007 UTC vs.
Revision 1.508 by root, Sun Mar 28 22:29:50 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Socket;	31	use Socket;
9	use Storable;	32	use EV;
10	use Event;
11	use Opcode;	33	use Opcode;
12	use Safe;	34	use Safe;
13	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
14		38
		39	use Guard ();
15	use Coro 3.61 ();	40	use Coro ();
16	use Coro::State;	41	use Coro::State;
17	use Coro::Handle;	42	use Coro::Handle;
		43	use Coro::EV;
18	use Coro::Event;	44	use Coro::AnyEvent;
19	use Coro::Timer;	45	use Coro::Timer;
20	use Coro::Signal;	46	use Coro::Signal;
21	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
22	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
23	use Coro::Storable;	52	use Coro::Storable;
		53	use Coro::Util ();
24		54
25	use JSON::XS 1.4 ();	55	use JSON::XS 2.01 ();
26	use BDB ();	56	use BDB ();
27	use Data::Dumper;	57	use Data::Dumper;
28	use Digest::MD5;
29	use Fcntl;	58	use Fcntl;
30	use YAML::Syck ();	59	use YAML::XS ();
31	use IO::AIO 2.32 ();	60	use IO::AIO ();
32	use Time::HiRes;	61	use Time::HiRes;
33	use Compress::LZF;	62	use Compress::LZF;
		63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
34		66
35	# configure various modules to our taste	67	# configure various modules to our taste
36	#	68	#
37	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
38	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
39	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
40		77
41	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
42		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
44	$YAML::Syck::ImplicitUnicode = 1;
45
46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
47		80
48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
49		82
50	our %COMMAND = ();	83	our %COMMAND = ();
51	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
…		…
54	our %EXTCMD = ();	87	our %EXTCMD = ();
55	our %EXTICMD = ();	88	our %EXTICMD = ();
56	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
57	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
58		91
59	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
60	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
61		96
62	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
63	our $DATADIR = datadir;	98	our $DATADIR = datadir;
64	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
65	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
66	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
67	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
68	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
71	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
72	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE;
73		112
74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	113	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
75	our $TICK_WATCHER;
76	our $AIO_POLL_WATCHER;
77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	114	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
78	our $NEXT_TICK;	115	our $NEXT_TICK;
79	our $NOW;
80	our $USE_FSYNC = 1; # use fsync to write maps - default off	116	our $USE_FSYNC = 1; # use fsync to write maps - default on
81		117
		118	our $BDB_DEADLOCK_WATCHER;
		119	our $BDB_CHECKPOINT_WATCHER;
82	our $BDB_POLL_WATCHER;	120	our $BDB_TRICKLE_WATCHER;
83	our $DB_ENV;	121	our $DB_ENV;
		122
		123	our @EXTRA_MODULES = qw(pod match mapscript);
84		124
85	our %CFG;	125	our %CFG;
86		126
87	our $UPTIME; $UPTIME ||= time;	127	our $UPTIME; $UPTIME ||= time;
88	our $RUNTIME;	128	our $RUNTIME;
		129	our $NOW;
89		130
90	our %PLAYER; # all users	131	our (%PLAYER, %PLAYER_LOADING); # all users
91	our %MAP; # all maps	132	our (%MAP, %MAP_LOADING ); # all maps
92	our $LINK_MAP; # the special {link} map, which is always available	133	our $LINK_MAP; # the special {link} map, which is always available
93		134
94	# used to convert map paths into valid unix filenames by replacing / by ∕	135	# used to convert map paths into valid unix filenames by replacing / by ∕
95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	136	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
96		137
97	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	138	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
98	our $LOADAVG; # same thing, but with alpha-smoothing	139	our $LOADAVG; # same thing, but with alpha-smoothing
		140	our $JITTER; # average jitter
99	our $tick_start; # for load detecting purposes	141	our $TICK_START; # for load detecting purposes
		142
		143	our @POST_INIT;
		144
		145	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		146	our $REALLY_UNLOOP; # never set to true, please :)
100		147
101	binmode STDOUT;	148	binmode STDOUT;
102	binmode STDERR;	149	binmode STDERR;
103		150
104	# read virtual server time, if available	151	# read virtual server time, if available
105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	152	unless ($RUNTIME || !-e $RUNTIMEFILE) {
106	open my $fh, "<", "$LOCALDIR/runtime"	153	open my $fh, "<", $RUNTIMEFILE
107	or die "unable to read runtime file: $!";	154	or die "unable to read $RUNTIMEFILE file: $!";
108	$RUNTIME = <$fh> + 0.;	155	$RUNTIME = <$fh> + 0.;
109	}	156	}
		157
		158	eval "sub TICK() { $TICK } 1" or die;
110		159
111	mkdir $_	160	mkdir $_
112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	161	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
113		162
114	our $EMERGENCY_POSITION;	163	our $EMERGENCY_POSITION;
115		164
116	sub cf::map::normalise;	165	sub cf::map::normalise;
		166
		167	#############################################################################
		168
		169	%REFLECT = ();
		170	for (@REFLECT) {
		171	my $reflect = JSON::XS::decode_json $_;
		172	$REFLECT{$reflect->{class}} = $reflect;
		173	}
		174
		175	# this is decidedly evil
		176	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
117		177
118	#############################################################################	178	#############################################################################
119		179
120	=head2 GLOBAL VARIABLES	180	=head2 GLOBAL VARIABLES
121		181
…		…
157		217
158	The raw value load value from the last tick.	218	The raw value load value from the last tick.
159		219
160	=item %cf::CFG	220	=item %cf::CFG
161		221
162	Configuration for the server, loaded from C</etc/crossfire/config>, or	222	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
163	from wherever your confdir points to.	223	from wherever your confdir points to.
164		224
165	=item cf::wait_for_tick, cf::wait_for_tick_begin	225	=item cf::wait_for_tick, cf::wait_for_tick_begin
166		226
167	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	227	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
168	returns directly I<after> the tick processing (and consequently, can only wake one process	228	returns directly I<after> the tick processing (and consequently, can only wake one process
169	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	229	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
170		230
		231	=item @cf::INVOKE_RESULTS
		232
		233	This array contains the results of the last C<invoke ()> call. When
		234	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		235	that call.
		236
		237	=item %cf::REFLECT
		238
		239	Contains, for each (C++) class name, a hash reference with information
		240	about object members (methods, scalars, arrays and flags) and other
		241	metadata, which is useful for introspection.
		242
171	=back	243	=back
172		244
173	=cut	245	=cut
174		246
175	BEGIN {	247	$Coro::State::WARNHOOK = sub {
176	*CORE::GLOBAL::warn = sub {
177	my $msg = join "", @_;	248	my $msg = join "", @_;
178		249
179	$msg .= "\n"	250	$msg .= "\n"
180	unless $msg =~ /\n$/;	251	unless $msg =~ /\n$/;
181		252
182	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	253	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
183		254
184	utf8::encode $msg;
185	LOG llevError, $msg;	255	LOG llevError, $msg;
186	};	256	};
187	}	257
		258	$Coro::State::DIEHOOK = sub {
		259	return unless $^S eq 0; # "eq", not "=="
		260
		261	warn Carp::longmess $_[0];
		262
		263	if ($Coro::current == $Coro::main) {#d#
		264	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		265	return;#d#
		266	}#d#
		267
		268	# kill coroutine otherwise
		269	Coro::terminate
		270	};
188		271
189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	272	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	273	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	274	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	275	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
199	for my $pkg (qw(	282	for my $pkg (qw(
200	cf::global cf::attachable	283	cf::global cf::attachable
201	cf::object cf::object::player	284	cf::object cf::object::player
202	cf::client cf::player	285	cf::client cf::player
203	cf::arch cf::living	286	cf::arch cf::living
		287	cf::map cf::mapspace
204	cf::map cf::party cf::region	288	cf::party cf::region
205	)) {	289	)) {
206	no strict 'refs';
207	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	290	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
208	}	291	}
209		292
210	$Event::DIED = sub {	293	$EV::DIED = sub {
211	warn "error in event callback: @_";	294	Carp::cluck "error in event callback: @_";
212	};	295	};
213		296
214	#############################################################################	297	#############################################################################
215		298
216	=head2 UTILITY FUNCTIONS	299	=head2 UTILITY FUNCTIONS
…		…
238	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	321	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
239	$d	322	$d
240	} || "[unable to dump $_[0]: '$@']";	323	} || "[unable to dump $_[0]: '$@']";
241	}	324	}
242		325
243	=item $ref = cf::from_json $json	326	=item $ref = cf::decode_json $json
244		327
245	Converts a JSON string into the corresponding perl data structure.	328	Converts a JSON string into the corresponding perl data structure.
246		329
247	=item $json = cf::to_json $ref	330	=item $json = cf::encode_json $ref
248		331
249	Converts a perl data structure into its JSON representation.	332	Converts a perl data structure into its JSON representation.
250		333
251	=cut	334	=cut
252		335
253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	336	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
254		337
255	sub to_json ($) { $json_coder->encode ($_[0]) }	338	sub encode_json($) { $json_coder->encode ($_[0]) }
256	sub from_json ($) { $json_coder->decode ($_[0]) }	339	sub decode_json($) { $json_coder->decode ($_[0]) }
		340
		341	=item cf::post_init { BLOCK }
		342
		343	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		344	but I<before> the server starts ticking again.
		345
		346	The cdoeblock will have a single boolean argument to indicate whether this
		347	is a reload or not.
		348
		349	=cut
		350
		351	sub post_init(&) {
		352	push @POST_INIT, shift;
		353	}
257		354
258	=item cf::lock_wait $string	355	=item cf::lock_wait $string
259		356
260	Wait until the given lock is available. See cf::lock_acquire.	357	Wait until the given lock is available. See cf::lock_acquire.
261		358
262	=item my $lock = cf::lock_acquire $string	359	=item my $lock = cf::lock_acquire $string
263		360
264	Wait until the given lock is available and then acquires it and returns	361	Wait until the given lock is available and then acquires it and returns
265	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	362	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
266	for example when the coroutine gets canceled), the lock is automatically	363	for example when the coroutine gets canceled), the lock is automatically
267	returned.	364	returned.
268		365
		366	Locks are *not* recursive, locking from the same coro twice results in a
		367	deadlocked coro.
		368
269	Lock names should begin with a unique identifier (for example, cf::map::find	369	Lock names should begin with a unique identifier (for example, cf::map::find
270	uses map_find and cf::map::load uses map_load).	370	uses map_find and cf::map::load uses map_load).
271		371
272	=item $locked = cf::lock_active $string	372	=item $locked = cf::lock_active $string
273		373
274	Return true if the lock is currently active, i.e. somebody has locked it.	374	Return true if the lock is currently active, i.e. somebody has locked it.
275		375
276	=cut	376	=cut
277		377
278	our %LOCK;	378	our $LOCKS = new Coro::SemaphoreSet;
279		379
280	sub lock_wait($) {	380	sub lock_wait($) {
281	my ($key) = @_;	381	$LOCKS->wait ($_[0]);
282
283	# wait for lock, if any
284	while ($LOCK{$key}) {
285	push @{ $LOCK{$key} }, $Coro::current;
286	Coro::schedule;
287	}
288	}	382	}
289		383
290	sub lock_acquire($) {	384	sub lock_acquire($) {
291	my ($key) = @_;	385	$LOCKS->guard ($_[0])
292
293	# wait, to be sure we are not locked
294	lock_wait $key;
295
296	$LOCK{$key} = [];
297
298	Coro::guard {
299	# wake up all waiters, to be on the safe side
300	$_->ready for @{ delete $LOCK{$key} };
301	}
302	}	386	}
303		387
304	sub lock_active($) {	388	sub lock_active($) {
305	my ($key) = @_;	389	$LOCKS->count ($_[0]) < 1
306
307	! ! $LOCK{$key}
308	}	390	}
309		391
310	sub freeze_mainloop {	392	sub freeze_mainloop {
311	return unless $TICK_WATCHER->is_active;	393	tick_inhibit_inc;
312		394
313	my $guard = Coro::guard {	395	&Guard::guard (\&tick_inhibit_dec);
314	$TICK_WATCHER->start;	396	}
		397
		398	=item cf::periodic $interval, $cb
		399
		400	Like EV::periodic, but randomly selects a starting point so that the actions
		401	get spread over timer.
		402
		403	=cut
		404
		405	sub periodic($$) {
		406	my ($interval, $cb) = @_;
		407
		408	my $start = rand List::Util::min 180, $interval;
		409
		410	EV::periodic $start, $interval, 0, $cb
		411	}
		412
		413	=item cf::get_slot $time[, $priority[, $name]]
		414
		415	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		416	This call blocks and returns only when you have at least C<$time> seconds
		417	of cpu time till the next tick. The slot is only valid till the next cede.
		418
		419	The optional C<$name> can be used to identify the job to run. It might be
		420	used for statistical purposes and should identify the same time-class.
		421
		422	Useful for short background jobs.
		423
		424	=cut
		425
		426	our @SLOT_QUEUE;
		427	our $SLOT_QUEUE;
		428	our $SLOT_DECAY = 0.9;
		429
		430	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		431	$SLOT_QUEUE = Coro::async {
		432	$Coro::current->desc ("timeslot manager");
		433
		434	my $signal = new Coro::Signal;
		435	my $busy;
		436
		437	while () {
		438	next_job:
		439
		440	my $avail = cf::till_tick;
		441
		442	for (0 .. $#SLOT_QUEUE) {
		443	if ($SLOT_QUEUE[$_][0] <= $avail) {
		444	$busy = 0;
		445	my $job = splice @SLOT_QUEUE, $_, 1, ();
		446	$job->[2]->send;
		447	Coro::cede;
		448	goto next_job;
		449	} else {
		450	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		451	}
		452	}
		453
		454	if (@SLOT_QUEUE) {
		455	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		456	push @cf::WAIT_FOR_TICK, $signal;
		457	$signal->wait;
		458	} else {
		459	$busy = 0;
		460	Coro::schedule;
		461	}
315	};	462	}
316	$TICK_WATCHER->stop;	463	};
317	$guard	464
		465	sub get_slot($;$$) {
		466	return if tick_inhibit || $Coro::current == $Coro::main;
		467
		468	my ($time, $pri, $name) = @_;
		469
		470	$time = clamp $time, 0.01, $TICK * .6;
		471
		472	my $sig = new Coro::Signal;
		473
		474	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		475	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		476	$SLOT_QUEUE->ready;
		477	$sig->wait;
318	}	478	}
319		479
320	=item cf::async { BLOCK }	480	=item cf::async { BLOCK }
321		481
322	Currently the same as Coro::async_pool, meaning you cannot use	482	Currently the same as Coro::async_pool, meaning you cannot use
…		…
327		487
328	BEGIN { *async = \&Coro::async_pool }	488	BEGIN { *async = \&Coro::async_pool }
329		489
330	=item cf::sync_job { BLOCK }	490	=item cf::sync_job { BLOCK }
331		491
332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	492	The design of Deliantra requires that the main coroutine ($Coro::main)
333	is always able to handle events or runnable, as Crossfire TRT is only	493	is always able to handle events or runnable, as Deliantra is only
334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	494	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
335	acceptable.	495	acceptable.
336		496
337	If it must be done, put the blocking parts into C<sync_job>. This will run	497	If it must be done, put the blocking parts into C<sync_job>. This will run
338	the given BLOCK in another coroutine while waiting for the result. The	498	the given BLOCK in another coroutine while waiting for the result. The
…		…
343		503
344	sub sync_job(&) {	504	sub sync_job(&) {
345	my ($job) = @_;	505	my ($job) = @_;
346		506
347	if ($Coro::current == $Coro::main) {	507	if ($Coro::current == $Coro::main) {
348	my $time = Event::time;	508	my $time = EV::time;
349		509
350	# this is the main coro, too bad, we have to block	510	# this is the main coro, too bad, we have to block
351	# till the operation succeeds, freezing the server :/	511	# till the operation succeeds, freezing the server :/
352		512
353	# TODO: use suspend/resume instead	513	LOG llevError, Carp::longmess "sync job";#d#
354	# (but this is cancel-safe)	514
355	my $freeze_guard = freeze_mainloop;	515	my $freeze_guard = freeze_mainloop;
356		516
357	my $busy = 1;	517	my $busy = 1;
358	my @res;	518	my @res;
359		519
360	(async {	520	(async {
		521	$Coro::current->desc ("sync job coro");
361	@res = eval { $job->() };	522	@res = eval { $job->() };
362	warn $@ if $@;	523	warn $@ if $@;
363	undef $busy;	524	undef $busy;
364	})->prio (Coro::PRIO_MAX);	525	})->prio (Coro::PRIO_MAX);
365		526
366	while ($busy) {	527	while ($busy) {
367	Coro::cede or Event::one_event;	528	if (Coro::nready) {
		529	Coro::cede_notself;
		530	} else {
		531	EV::loop EV::LOOP_ONESHOT;
368	}	532	}
		533	}
369		534
370	$time = Event::time - $time;	535	my $time = EV::time - $time;
371		536
372	LOG llevError | logBacktrace, Carp::longmess "long sync job"
373	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
374
375	$tick_start += $time; # do not account sync jobs to server load	537	$TICK_START += $time; # do not account sync jobs to server load
376		538
377	wantarray ? @res : $res[0]	539	wantarray ? @res : $res[0]
378	} else {	540	} else {
379	# we are in another coroutine, how wonderful, everything just works	541	# we are in another coroutine, how wonderful, everything just works
380		542
…		…
405	=item fork_call { }, $args	567	=item fork_call { }, $args
406		568
407	Executes the given code block with the given arguments in a seperate	569	Executes the given code block with the given arguments in a seperate
408	process, returning the results. Everything must be serialisable with	570	process, returning the results. Everything must be serialisable with
409	Coro::Storable. May, of course, block. Note that the executed sub may	571	Coro::Storable. May, of course, block. Note that the executed sub may
410	never block itself or use any form of Event handling.	572	never block itself or use any form of event handling.
411		573
412	=cut	574	=cut
413		575
414	sub fork_call(&@) {	576	sub fork_call(&@) {
415	my ($cb, @args) = @_;	577	my ($cb, @args) = @_;
416		578
417	# 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,
418	# or die "socketpair: $!";	580	# otherwise perl prematurely frees the stuff :/
419	pipe my $fh1, my $fh2	581	# TODO: investigate and fix (likely this will be rather laborious)
420	or die "pipe: $!";
421		582
422	if (my $pid = fork) {	583	my @res = Coro::Util::fork_eval {
423	close $fh2;
424
425	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
426	warn "pst<$res>" unless $res =~ /^pst/;
427	$res = Coro::Storable::thaw $res;
428
429	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
430
431	Carp::confess $$res unless "ARRAY" eq ref $res;
432
433	return wantarray ? @$res : $res->[-1];
434	} else {
435	reset_signals;	584	reset_signals;
436	local $SIG{__WARN__};	585	&$cb
437	local $SIG{__DIE__};	586	}, @args;
438	local $Coro::idle;
439	$Coro::current->prio (Coro::PRIO_MAX);
440	eval {
441	close $fh1;
442		587
443	my @res = eval { $cb->(@args) };	588	wantarray ? @res : $res[-1]
		589	}
444		590
445	open my $fh, ">", \my $buf	591	=item $coin = coin_from_name $name
446	or die "fork_call: cannot open fh-to-buf in child : $!";
447	Storable::store_fd +($@ ? \"$@" : \@res), $fh;
448	close $fh;
449		592
450	warn "writing ", length $buf;	593	=cut
451	my $x;
452	(length $buf) == ($x = syswrite $fh2, $buf)
453	or warn "error writing ".(length $buf)." != $x\n";
454	close $fh2;
455	};
456		594
457	warn $@ if $@;	595	our %coin_alias = (
458	_exit 0;	596	"silver" => "silvercoin",
459	}	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
460	}	616	}
461		617
462	=item $value = cf::db_get $family => $key	618	=item $value = cf::db_get $family => $key
463		619
464	Returns a single value from the environment database.	620	Returns a single value from the environment database.
…		…
466	=item cf::db_put $family => $key => $value	622	=item cf::db_put $family => $key => $value
467		623
468	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
469	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).
470		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
471	=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	}
472		650
473	our $DB;	651	our $DB;
474		652
475	sub db_init {	653	sub db_init {
476	unless ($DB) {
477	$DB = BDB::db_create $DB_ENV;
478
479	cf::sync_job {	654	cf::sync_job {
480	eval {	655	$DB ||= db_table "db";
481	$DB->set_flags (BDB::CHKSUM);
482
483	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
484	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
485	cf::cleanup "db_open(db): $!" if $!;
486	};
487	cf::cleanup "db_open(db): $@" if $@;
488	};
489	}	656	};
490	}	657	}
491		658
492	sub db_get($$) {	659	sub db_get($$) {
493	my $key = "$_[0]/$_[1]";	660	my $key = "$_[0]/$_[1]";
494		661
…		…
544	if (1) {	711	if (1) {
545	$md5 =	712	$md5 =
546	join "\x00",	713	join "\x00",
547	$processversion,	714	$processversion,
548	map {	715	map {
549	Coro::cede;	716	cf::cede_to_tick;
550	($src->[$_], Digest::MD5::md5_hex $data[$_])	717	($src->[$_], Digest::MD5::md5_hex $data[$_])
551	} 0.. $#$src;	718	} 0.. $#$src;
552		719
553		720
554	my $dbmd5 = db_get cache => "$id/md5";	721	my $dbmd5 = db_get cache => "$id/md5";
…		…
592		759
593	#############################################################################	760	#############################################################################
594		761
595	=head2 ATTACHABLE OBJECTS	762	=head2 ATTACHABLE OBJECTS
596		763
597	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
598	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")
599	to it. All such attachable objects support the following methods.	766	to it. All such attachable objects support the following methods.
600		767
601	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>
602	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
603	Crossfire TRT).	770	Deliantra).
604		771
605	=over 4	772	=over 4
606		773
607	=item $attachable->attach ($attachment, key => $value...)	774	=item $attachable->attach ($attachment, key => $value...)
608		775
…		…
652	=item cf::CLASS::attachment $name, ...	819	=item cf::CLASS::attachment $name, ...
653		820
654	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
655	given CLASS can refer to this attachment.	822	given CLASS can refer to this attachment.
656		823
657	Some classes such as crossfire maps and objects can specify attachments	824	Some classes such as deliantra maps and objects can specify attachments
658	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.
659		826
660	These calls expect any number of the following handler/hook descriptions:	827	These calls expect any number of the following handler/hook descriptions:
661		828
662	=over 4	829	=over 4
…		…
860	";	1027	";
861	die if $@;	1028	die if $@;
862	}	1029	}
863		1030
864	our $override;	1031	our $override;
865	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1032	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
866		1033
867	sub override {	1034	sub override {
868	$override = 1;	1035	$override = 1;
869	@invoke_results = ();	1036	@INVOKE_RESULTS = (@_);
870	}	1037	}
871		1038
872	sub do_invoke {	1039	sub do_invoke {
873	my $event = shift;	1040	my $event = shift;
874	my $callbacks = shift;	1041	my $callbacks = shift;
875		1042
876	@invoke_results = ();	1043	@INVOKE_RESULTS = ();
877		1044
878	local $override;	1045	local $override;
879		1046
880	for (@$callbacks) {	1047	for (@$callbacks) {
881	eval { &{$_->[1]} };	1048	eval { &{$_->[1]} };
…		…
890	}	1057	}
891		1058
892	0	1059	0
893	}	1060	}
894		1061
895	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1062	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
896		1063
897	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1064	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
898		1065
899	Generate an object-specific event with the given arguments.	1066	Generate an object-specific event with the given arguments.
900		1067
901	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1068	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
902	removed in future versions), and there is no public API to access override	1069	removed in future versions), and there is no public API to access override
903	results (if you must, access C<@cf::invoke_results> directly).	1070	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
904		1071
905	=back	1072	=back
906		1073
907	=cut	1074	=cut
908		1075
909	#############################################################################	1076	#############################################################################
910	# object support	1077	# object support
		1078
		1079	sub _object_equal($$);
		1080	sub _object_equal($$) {
		1081	my ($a, $b) = @_;
		1082
		1083	return 0 unless (ref $a) eq (ref $b);
		1084
		1085	if ("HASH" eq ref $a) {
		1086	my @ka = keys %$a;
		1087	my @kb = keys %$b;
		1088
		1089	return 0 if @ka != @kb;
		1090
		1091	for (0 .. $#ka) {
		1092	return 0 unless $ka[$_] eq $kb[$_];
		1093	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1094	}
		1095
		1096	} elsif ("ARRAY" eq ref $a) {
		1097
		1098	return 0 if @$a != @$b;
		1099
		1100	for (0 .. $#$a) {
		1101	return 0 unless _object_equal $a->[$_], $b->[$_];
		1102	}
		1103
		1104	} elsif ($a ne $b) {
		1105	return 0;
		1106	}
		1107
		1108	1
		1109	}
		1110
		1111	our $SLOW_MERGES;#d#
		1112	sub _can_merge {
		1113	my ($ob1, $ob2) = @_;
		1114
		1115	++$SLOW_MERGES;#d#
		1116
		1117	# we do the slow way here
		1118	return _object_equal $ob1, $ob2
		1119	}
911		1120
912	sub reattach {	1121	sub reattach {
913	# basically do the same as instantiate, without calling instantiate	1122	# basically do the same as instantiate, without calling instantiate
914	my ($obj) = @_;	1123	my ($obj) = @_;
915		1124
		1125	# no longer needed after getting rid of delete_package?
916	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
917		1127
918	my $registry = $obj->registry;	1128	my $registry = $obj->registry;
919		1129
920	@$registry = ();	1130	@$registry = ();
921		1131
…		…
936	cf::attachable->attach (	1146	cf::attachable->attach (
937	prio => -1000000,	1147	prio => -1000000,
938	on_instantiate => sub {	1148	on_instantiate => sub {
939	my ($obj, $data) = @_;	1149	my ($obj, $data) = @_;
940		1150
941	$data = from_json $data;	1151	$data = decode_json $data;
942		1152
943	for (@$data) {	1153	for (@$data) {
944	my ($name, $args) = @$_;	1154	my ($name, $args) = @$_;
945		1155
946	$obj->attach ($name, %{$args || {} });	1156	$obj->attach ($name, %{$args || {} });
…		…
962	sub object_freezer_save {	1172	sub object_freezer_save {
963	my ($filename, $rdata, $objs) = @_;	1173	my ($filename, $rdata, $objs) = @_;
964		1174
965	sync_job {	1175	sync_job {
966	if (length $$rdata) {	1176	if (length $$rdata) {
		1177	utf8::decode (my $decname = $filename);
967	warn sprintf "saving %s (%d,%d)\n",	1178	warn sprintf "saving %s (%d,%d)\n",
968	$filename, length $$rdata, scalar @$objs;	1179	$decname, length $$rdata, scalar @$objs;
969		1180
970	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1181	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
971	chmod SAVE_MODE, $fh;	1182	aio_chmod $fh, SAVE_MODE;
972	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1183	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
973	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	}
974	close $fh;	1188	aio_close $fh;
975		1189
976	if (@$objs) {	1190	if (@$objs) {
977	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) {
978	chmod SAVE_MODE, $fh;	1192	aio_chmod $fh, SAVE_MODE;
979	my $data = Storable::nfreeze { version => 1, objs => $objs };	1193	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
980	aio_write $fh, 0, (length $data), $data, 0;	1194	aio_write $fh, 0, (length $data), $data, 0;
981	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	}
982	close $fh;	1199	aio_close $fh;
983	aio_rename "$filename.pst~", "$filename.pst";	1200	aio_rename "$filename.pst~", "$filename.pst";
984	}	1201	}
985	} else {	1202	} else {
986	aio_unlink "$filename.pst";	1203	aio_unlink "$filename.pst";
987	}	1204	}
988		1205
989	aio_rename "$filename~", $filename;	1206	aio_rename "$filename~", $filename;
		1207
		1208	$filename =~ s%/[^/]+$%%;
		1209	aio_pathsync $filename if $cf::USE_FSYNC;
990	} else {	1210	} else {
991	warn "FATAL: $filename~: $!\n";	1211	warn "unable to save objects: $filename~: $!\n";
992	}	1212	}
993	} else {	1213	} else {
994	aio_unlink $filename;	1214	aio_unlink $filename;
995	aio_unlink "$filename.pst";	1215	aio_unlink "$filename.pst";
996	}	1216	}
997	}	1217	};
998	}	1218	}
999		1219
1000	sub object_freezer_as_string {	1220	sub object_freezer_as_string {
1001	my ($rdata, $objs) = @_;	1221	my ($rdata, $objs) = @_;
1002		1222
…		…
1014	or return;	1234	or return;
1015		1235
1016	unless (aio_stat "$filename.pst") {	1236	unless (aio_stat "$filename.pst") {
1017	(aio_load "$filename.pst", $av) >= 0	1237	(aio_load "$filename.pst", $av) >= 0
1018	or return;	1238	or return;
		1239
1019	$av = eval { (Storable::thaw $av)->{objs} };	1240	my $st = eval { Coro::Storable::thaw $av };
		1241	$av = $st->{objs};
1020	}	1242	}
1021		1243
		1244	utf8::decode (my $decname = $filename);
1022	warn sprintf "loading %s (%d)\n",	1245	warn sprintf "loading %s (%d,%d)\n",
1023	$filename, length $data, scalar @{$av || []};	1246	$decname, length $data, scalar @{$av || []};
		1247
1024	return ($data, $av);	1248	($data, $av)
1025	}	1249	}
1026		1250
1027	=head2 COMMAND CALLBACKS	1251	=head2 COMMAND CALLBACKS
1028		1252
1029	=over 4	1253	=over 4
…		…
1083	my ($name, $cb) = @_;	1307	my ($name, $cb) = @_;
1084		1308
1085	$EXTICMD{$name} = $cb;	1309	$EXTICMD{$name} = $cb;
1086	}	1310	}
1087		1311
		1312	use File::Glob ();
		1313
1088	cf::player->attach (	1314	cf::player->attach (
1089	on_command => sub {	1315	on_command => sub {
1090	my ($pl, $name, $params) = @_;	1316	my ($pl, $name, $params) = @_;
1091		1317
1092	my $cb = $COMMAND{$name}	1318	my $cb = $COMMAND{$name}
…		…
1102	my ($pl, $buf) = @_;	1328	my ($pl, $buf) = @_;
1103		1329
1104	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1330	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1105		1331
1106	if (ref $msg) {	1332	if (ref $msg) {
		1333	my ($type, $reply, @payload) =
		1334	"ARRAY" eq ref $msg
		1335	? @$msg
		1336	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1337
		1338	my @reply;
		1339
1107	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1340	if (my $cb = $EXTCMD{$type}) {
1108	if (my %reply = $cb->($pl, $msg)) {	1341	@reply = $cb->($pl, @payload);
1109	$pl->ext_reply ($msg->{msgid}, %reply);
1110	}
1111	}	1342	}
		1343
		1344	$pl->ext_reply ($reply, @reply)
		1345	if $reply;
		1346
1112	} else {	1347	} else {
1113	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1348	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1114	}	1349	}
1115		1350
1116	cf::override;	1351	cf::override;
1117	},	1352	},
1118	);	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	}
1119		1367
1120	sub load_extensions {	1368	sub load_extensions {
1121	cf::sync_job {	1369	cf::sync_job {
1122	my %todo;	1370	my %todo;
1123		1371
…		…
1143		1391
1144	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1392	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1145	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1393	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1146		1394
1147	$ext{source} =	1395	$ext{source} =
1148	"package $pkg; use strict; use utf8;\n"	1396	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1149	. "#line 1 \"$path\"\n{\n"	1397	. "#line 1 \"$path\"\n{\n"
1150	. $source	1398	. $source
1151	. "\n};\n1";	1399	. "\n};\n1";
1152		1400
1153	$todo{$base} = \%ext;	1401	$todo{$base} = \%ext;
1154	}	1402	}
1155		1403
		1404	my $pass = 0;
1156	my %done;	1405	my %done;
1157	while (%todo) {	1406	while (%todo) {
1158	my $progress;	1407	my $progress;
1159		1408
		1409	++$pass;
		1410
		1411	ext:
1160	while (my ($k, $v) = each %todo) {	1412	while (my ($k, $v) = each %todo) {
1161	for (split /,\s*/, $v->{meta}{depends}) {	1413	for (split /,\s*/, $v->{meta}{depends}) {
1162	goto skip	1414	next ext
1163	unless exists $done{$_};	1415	unless exists $done{$_};
1164	}	1416	}
1165		1417
1166	warn "... loading '$k' into '$v->{pkg}'\n";	1418	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1167		1419
1168	unless (eval $v->{source}) {	1420	my $active = eval $v->{source};
		1421
		1422	if (length $@) {
1169	my $msg = $@ ? "$v->{path}: $@\n"	1423	warn "$v->{path}: $@\n";
1170	: "$v->{base}: extension inactive.\n";
1171		1424
		1425	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1172	if (exists $v->{meta}{mandatory}) {	1426	if exists $v->{meta}{mandatory};
1173	warn $msg;	1427	} else {
1174	warn "mandatory extension failed to load, exiting.\n";	1428	$done{$k} = delete $todo{$k};
1175	exit 1;	1429	push @EXTS, $v->{pkg};
1176	}	1430	$progress = 1;
1177		1431
1178	warn $msg;	1432	warn "$v->{base}: extension inactive.\n"
		1433	unless $active;
1179	}	1434	}
1180
1181	$done{$k} = delete $todo{$k};
1182	push @EXTS, $v->{pkg};
1183	$progress = 1;
1184	}	1435	}
1185		1436
1186	skip:	1437	unless ($progress) {
1187	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1438	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1188	unless $progress;	1439
		1440	while (my ($k, $v) = each %todo) {
		1441	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1442	if exists $v->{meta}{mandatory};
		1443	}
		1444	}
1189	}	1445	}
1190	};	1446	};
1191	}	1447	}
1192		1448
1193	#############################################################################	1449	#############################################################################
1194		1450
1195	=back	1451	=back
1196		1452
1197	=head2 CORE EXTENSIONS	1453	=head2 CORE EXTENSIONS
1198		1454
1199	Functions and methods that extend core crossfire objects.	1455	Functions and methods that extend core deliantra objects.
1200		1456
1201	=cut	1457	=cut
1202		1458
1203	package cf::player;	1459	package cf::player;
1204		1460
1205	use Coro::AIO;	1461	use Coro::AIO;
1206		1462
1207	=head3 cf::player	1463	=head3 cf::player
1208		1464
1209	=over 4	1465	=over 4
		1466
		1467	=item cf::player::num_playing
		1468
		1469	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1470
		1471	=cut
		1472
		1473	sub num_playing {
		1474	scalar grep
		1475	$_->ob->map
		1476	&& !$_->hidden
		1477	&& !$_->ob->flag (cf::FLAG_WIZ),
		1478	cf::player::list
		1479	}
1210		1480
1211	=item cf::player::find $login	1481	=item cf::player::find $login
1212		1482
1213	Returns the given player object, loading it if necessary (might block).	1483	Returns the given player object, loading it if necessary (might block).
1214		1484
…		…
1233		1503
1234	sub exists($) {	1504	sub exists($) {
1235	my ($login) = @_;	1505	my ($login) = @_;
1236		1506
1237	$cf::PLAYER{$login}	1507	$cf::PLAYER{$login}
1238	or cf::sync_job { !aio_stat path $login }	1508	or !aio_stat path $login
1239	}	1509	}
1240		1510
1241	sub find($) {	1511	sub find($) {
1242	return $cf::PLAYER{$_[0]} || do {	1512	return $cf::PLAYER{$_[0]} || do {
1243	my $login = $_[0];	1513	my $login = $_[0];
…		…
1250	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1520	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1251	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1521	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1252	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1522	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1253	aio_unlink +(playerdir $login) . "/$login.pl";	1523	aio_unlink +(playerdir $login) . "/$login.pl";
1254		1524
1255	my $pl = load_pl path $login	1525	my $f = new_from_file cf::object::thawer path $login
1256	or return;	1526	or return;
		1527
		1528	my $pl = cf::player::load_pl $f
		1529	or return;
		1530
		1531	local $cf::PLAYER_LOADING{$login} = $pl;
		1532	$f->resolve_delayed_derefs;
1257	$cf::PLAYER{$login} = $pl	1533	$cf::PLAYER{$login} = $pl
1258	}	1534	}
1259	}	1535	}
1260	}	1536	}
1261		1537
…		…
1270	return if $pl->{deny_save};	1546	return if $pl->{deny_save};
1271		1547
1272	aio_mkdir playerdir $pl, 0770;	1548	aio_mkdir playerdir $pl, 0770;
1273	$pl->{last_save} = $cf::RUNTIME;	1549	$pl->{last_save} = $cf::RUNTIME;
1274		1550
		1551	cf::get_slot 0.01;
		1552
1275	$pl->save_pl ($path);	1553	$pl->save_pl ($path);
1276	Coro::cede;	1554	cf::cede_to_tick;
1277	}	1555	}
1278		1556
1279	sub new($) {	1557	sub new($) {
1280	my ($login) = @_;	1558	my ($login) = @_;
1281		1559
…		…
1287	$cf::PLAYER{$login} = $self;	1565	$cf::PLAYER{$login} = $self;
1288		1566
1289	$self	1567	$self
1290	}	1568	}
1291		1569
		1570	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1571
		1572	=cut
		1573
		1574	sub send_msg {
		1575	my $ns = shift->ns
		1576	or return;
		1577	$ns->send_msg (@_);
		1578	}
		1579
1292	=item $pl->quit_character	1580	=item $pl->quit_character
1293		1581
1294	Nukes the player without looking back. If logged in, the connection will	1582	Nukes the player without looking back. If logged in, the connection will
1295	be destroyed. May block for a long time.	1583	be destroyed. May block for a long time.
1296		1584
…		…
1300	my ($pl) = @_;	1588	my ($pl) = @_;
1301		1589
1302	my $name = $pl->ob->name;	1590	my $name = $pl->ob->name;
1303		1591
1304	$pl->{deny_save} = 1;	1592	$pl->{deny_save} = 1;
1305	$pl->password ("*"); # this should lock out the player until we nuked the dir	1593	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1306		1594
1307	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1595	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1308	$pl->deactivate;	1596	$pl->deactivate;
		1597	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1598	$pl->ob->check_score;
1309	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1599	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1310	$pl->ns->destroy if $pl->ns;	1600	$pl->ns->destroy if $pl->ns;
1311		1601
1312	my $path = playerdir $pl;	1602	my $path = playerdir $pl;
1313	my $temp = "$path~$cf::RUNTIME~deleting~";	1603	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1349	or return [];	1639	or return [];
1350		1640
1351	my @logins;	1641	my @logins;
1352		1642
1353	for my $login (@$dirs) {	1643	for my $login (@$dirs) {
		1644	my $path = path $login;
		1645
		1646	# a .pst is a dead give-away for a valid player
		1647	# if no pst file found, open and chekc for blocked users
		1648	if (aio_stat "$path.pst") {
1354	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1649	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1355	aio_read $fh, 0, 512, my $buf, 0 or next;	1650	aio_read $fh, 0, 512, my $buf, 0 or next;
1356	$buf !~ /^password -------------$/m or next; # official not-valid tag	1651	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1652	}
1357		1653
1358	utf8::decode $login;	1654	utf8::decode $login;
1359	push @logins, $login;	1655	push @logins, $login;
1360	}	1656	}
1361		1657
…		…
1388	}	1684	}
1389		1685
1390	\@paths	1686	\@paths
1391	}	1687	}
1392		1688
1393	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1689	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1394		1690
1395	Expand crossfire pod fragments into protocol xml.	1691	Expand deliantra pod fragments into protocol xml.
1396		1692
1397	=cut
1398
1399	sub expand_cfpod {
1400	((my $self), (local $_)) = @_;
1401
1402	# escape & and <
1403	s/&/&amp;/g;
1404	s/(?<![BIUGH])</&lt;/g;
1405
1406	# this is buggy, it needs to properly take care of nested <'s
1407
1408	1 while
1409	# replace B<>, I<>, U<> etc.
1410	s/B<([^\>]*)>/<b>$1<\/b>/
1411	|| s/I<([^\>]*)>/<i>$1<\/i>/
1412	|| s/U<([^\>]*)>/<u>$1<\/u>/
1413	# replace G<male|female> tags
1414	|| s{G<([^>|]*)\|([^>]*)>}{
1415	$self->gender ? $2 : $1
1416	}ge
1417	# replace H<hint text>
1418	|| s{H<([^\>]*)>}
1419	{
1420	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1421	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1422	"")
1423	[$self->{hintmode}]
1424	}ge;
1425
1426	# create single paragraphs (very hackish)
1427	s/(?<=\S)\n(?=\w)/ /g;
1428
1429	# compress some whitespace
1430	s/\s+\n/\n/g; # ws line-ends
1431	s/\n\n+/\n/g; # double lines
1432	s/^\n+//; # beginning lines
1433	s/\n+$//; # ending lines
1434
1435	$_
1436	}
1437
1438	sub hintmode {
1439	$_[0]{hintmode} = $_[1] if @_ > 1;
1440	$_[0]{hintmode}
1441	}
1442
1443	=item $player->ext_reply ($msgid, %msg)	1693	=item $player->ext_reply ($msgid, @msg)
1444		1694
1445	Sends an ext reply to the player.	1695	Sends an ext reply to the player.
1446		1696
1447	=cut	1697	=cut
1448		1698
1449	sub ext_reply($$%) {	1699	sub ext_reply($$@) {
1450	my ($self, $id, %msg) = @_;	1700	my ($self, $id, @msg) = @_;
1451		1701
1452	$msg{msgid} = $id;	1702	$self->ns->ext_reply ($id, @msg)
1453	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1454	}	1703	}
1455		1704
1456	=item $player->ext_event ($type, %msg)	1705	=item $player->ext_msg ($type, @msg)
1457		1706
1458	Sends an ext event to the client.	1707	Sends an ext event to the client.
1459		1708
1460	=cut	1709	=cut
1461		1710
1462	sub ext_event($$%) {	1711	sub ext_msg($$@) {
1463	my ($self, $type, %msg) = @_;	1712	my ($self, $type, @msg) = @_;
1464		1713
1465	$self->ns->ext_event ($type, %msg);	1714	$self->ns->ext_msg ($type, @msg);
1466	}	1715	}
1467		1716
1468	=head3 cf::region	1717	=head3 cf::region
1469		1718
1470	=over 4	1719	=over 4
…		…
1483	my ($path) = @_;	1732	my ($path) = @_;
1484		1733
1485	my ($match, $specificity);	1734	my ($match, $specificity);
1486		1735
1487	for my $region (list) {	1736	for my $region (list) {
1488	if ($region->match && $path =~ $region->match) {	1737	if ($region->{match} && $path =~ $region->{match}) {
1489	($match, $specificity) = ($region, $region->specificity)	1738	($match, $specificity) = ($region, $region->specificity)
1490	if $region->specificity > $specificity;	1739	if $region->specificity > $specificity;
1491	}	1740	}
1492	}	1741	}
1493		1742
…		…
1514	our $MAX_RESET = 3600;	1763	our $MAX_RESET = 3600;
1515	our $DEFAULT_RESET = 3000;	1764	our $DEFAULT_RESET = 3000;
1516		1765
1517	sub generate_random_map {	1766	sub generate_random_map {
1518	my ($self, $rmp) = @_;	1767	my ($self, $rmp) = @_;
		1768
		1769	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1770
1519	# mit "rum" bekleckern, nicht	1771	# mit "rum" bekleckern, nicht
1520	$self->_create_random_map (	1772	$self->_create_random_map (
1521	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1773	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1522	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1774	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1523	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1775	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1524	$rmp->{exit_on_final_map},	1776	$rmp->{exit_on_final_map},
1525	$rmp->{xsize}, $rmp->{ysize},	1777	$rmp->{xsize}, $rmp->{ysize},
1526	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1778	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1527	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1779	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1613	$self->init; # pass $1 etc.	1865	$self->init; # pass $1 etc.
1614	return $self;	1866	return $self;
1615	}	1867	}
1616	}	1868	}
1617		1869
1618	Carp::carp "unable to resolve path '$path' (base '$base').";	1870	Carp::cluck "unable to resolve path '$path' (base '$base').";
1619	()	1871	()
1620	}	1872	}
1621		1873
1622	sub init {	1874	sub init {
1623	my ($self) = @_;	1875	my ($self) = @_;
…		…
1645		1897
1646	# the temporary/swap location	1898	# the temporary/swap location
1647	sub save_path {	1899	sub save_path {
1648	my ($self) = @_;	1900	my ($self) = @_;
1649		1901
1650	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1902	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1651	"$TMPDIR/$path.map"	1903	"$TMPDIR/$path.map"
1652	}	1904	}
1653		1905
1654	# the unique path, undef == no special unique path	1906	# the unique path, undef == no special unique path
1655	sub uniq_path {	1907	sub uniq_path {
1656	my ($self) = @_;	1908	my ($self) = @_;
1657		1909
1658	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1910	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1659	"$UNIQUEDIR/$path"	1911	"$UNIQUEDIR/$path"
1660	}
1661
1662	# and all this just because we cannot iterate over
1663	# all maps in C++...
1664	sub change_all_map_light {
1665	my ($change) = @_;
1666
1667	$_->change_map_light ($change)
1668	for grep $_->outdoor, values %cf::MAP;
1669	}	1912	}
1670		1913
1671	sub decay_objects {	1914	sub decay_objects {
1672	my ($self) = @_;	1915	my ($self) = @_;
1673		1916
…		…
1686		1929
1687	sub load_header_from($) {	1930	sub load_header_from($) {
1688	my ($self, $path) = @_;	1931	my ($self, $path) = @_;
1689		1932
1690	utf8::encode $path;	1933	utf8::encode $path;
1691	#aio_open $path, O_RDONLY, 0	1934	my $f = new_from_file cf::object::thawer $path
1692	# or return;
1693
1694	$self->_load_header ($path)
1695	or return;	1935	or return;
		1936
		1937	$self->_load_header ($f)
		1938	or return;
		1939
		1940	local $MAP_LOADING{$self->{path}} = $self;
		1941	$f->resolve_delayed_derefs;
1696		1942
1697	$self->{load_path} = $path;	1943	$self->{load_path} = $path;
1698		1944
1699	1	1945	1
1700	}	1946	}
…		…
1754	sub find {	2000	sub find {
1755	my ($path, $origin) = @_;	2001	my ($path, $origin) = @_;
1756		2002
1757	$path = normalise $path, $origin && $origin->path;	2003	$path = normalise $path, $origin && $origin->path;
1758		2004
		2005	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1759	cf::lock_wait "map_find:$path";	2006	my $guard2 = cf::lock_acquire "map_find:$path";
1760		2007
1761	$cf::MAP{$path} || do {	2008	$cf::MAP{$path} || do {
1762	my $guard = cf::lock_acquire "map_find:$path";
1763	my $map = new_from_path cf::map $path	2009	my $map = new_from_path cf::map $path
1764	or return;	2010	or return;
1765		2011
1766	$map->{last_save} = $cf::RUNTIME;	2012	$map->{last_save} = $cf::RUNTIME;
1767		2013
…		…
1769	or return;	2015	or return;
1770		2016
1771	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2017	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1772	# doing this can freeze the server in a sync job, obviously	2018	# doing this can freeze the server in a sync job, obviously
1773	#$cf::WAIT_FOR_TICK->wait;	2019	#$cf::WAIT_FOR_TICK->wait;
		2020	undef $guard2;
		2021	undef $guard1;
1774	$map->reset;	2022	$map->reset;
1775	undef $guard;
1776	return find $path;	2023	return find $path;
1777	}	2024	}
1778		2025
1779	$cf::MAP{$path} = $map	2026	$cf::MAP{$path} = $map
1780	}	2027	}
1781	}	2028	}
1782		2029
1783	sub pre_load { }	2030	sub pre_load { }
1784	sub post_load { }	2031	#sub post_load { } # XS
1785		2032
1786	sub load {	2033	sub load {
1787	my ($self) = @_;	2034	my ($self) = @_;
1788		2035
1789	local $self->{deny_reset} = 1; # loading can take a long time	2036	local $self->{deny_reset} = 1; # loading can take a long time
1790		2037
1791	my $path = $self->{path};	2038	my $path = $self->{path};
1792		2039
1793	{	2040	{
1794	my $guard = cf::lock_acquire "map_load:$path";	2041	my $guard = cf::lock_acquire "map_data:$path";
1795		2042
		2043	return unless $self->valid;
1796	return if $self->in_memory != cf::MAP_SWAPPED;	2044	return unless $self->in_memory == cf::MAP_SWAPPED;
1797		2045
1798	$self->in_memory (cf::MAP_LOADING);	2046	$self->in_memory (cf::MAP_LOADING);
1799		2047
1800	$self->alloc;	2048	$self->alloc;
1801		2049
1802	$self->pre_load;	2050	$self->pre_load;
1803	Coro::cede;	2051	cf::cede_to_tick;
1804		2052
		2053	my $f = new_from_file cf::object::thawer $self->{load_path};
		2054	$f->skip_block;
1805	$self->_load_objects ($self->{load_path}, 1)	2055	$self->_load_objects ($f)
1806	or return;	2056	or return;
1807		2057
1808	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2058	$self->post_load_original
1809	if delete $self->{load_original};	2059	if delete $self->{load_original};
1810		2060
1811	if (my $uniq = $self->uniq_path) {	2061	if (my $uniq = $self->uniq_path) {
1812	utf8::encode $uniq;	2062	utf8::encode $uniq;
1813	if (aio_open $uniq, O_RDONLY, 0) {	2063	unless (aio_stat $uniq) {
		2064	if (my $f = new_from_file cf::object::thawer $uniq) {
1814	$self->clear_unique_items;	2065	$self->clear_unique_items;
1815	$self->_load_objects ($uniq, 0);	2066	$self->_load_objects ($f);
		2067	$f->resolve_delayed_derefs;
		2068	}
1816	}	2069	}
1817	}	2070	}
1818		2071
1819	Coro::cede;	2072	$f->resolve_delayed_derefs;
		2073
		2074	cf::cede_to_tick;
1820	# now do the right thing for maps	2075	# now do the right thing for maps
1821	$self->link_multipart_objects;	2076	$self->link_multipart_objects;
1822	$self->difficulty ($self->estimate_difficulty)	2077	$self->difficulty ($self->estimate_difficulty)
1823	unless $self->difficulty;	2078	unless $self->difficulty;
1824	Coro::cede;	2079	cf::cede_to_tick;
1825		2080
1826	unless ($self->{deny_activate}) {	2081	unless ($self->{deny_activate}) {
1827	$self->decay_objects;	2082	$self->decay_objects;
1828	$self->fix_auto_apply;	2083	$self->fix_auto_apply;
1829	$self->update_buttons;	2084	$self->update_buttons;
1830	Coro::cede;	2085	cf::cede_to_tick;
1831	$self->set_darkness_map;
1832	Coro::cede;
1833	$self->activate;	2086	$self->activate;
1834	}	2087	}
1835		2088
		2089	$self->{last_save} = $cf::RUNTIME;
		2090	$self->last_access ($cf::RUNTIME);
		2091
1836	$self->in_memory (cf::MAP_IN_MEMORY);	2092	$self->in_memory (cf::MAP_ACTIVE);
1837	}	2093	}
1838		2094
1839	$self->post_load;	2095	$self->post_load;
1840	}	2096	}
1841		2097
		2098	# customize the map for a given player, i.e.
		2099	# return the _real_ map. used by e.g. per-player
		2100	# maps to change the path to ~playername/mappath
1842	sub customise_for {	2101	sub customise_for {
1843	my ($self, $ob) = @_;	2102	my ($self, $ob) = @_;
1844		2103
1845	return find "~" . $ob->name . "/" . $self->{path}	2104	return find "~" . $ob->name . "/" . $self->{path}
1846	if $self->per_player;	2105	if $self->per_player;
…		…
1850		2109
1851	$self	2110	$self
1852	}	2111	}
1853		2112
1854	# find and load all maps in the 3x3 area around a map	2113	# find and load all maps in the 3x3 area around a map
1855	sub load_diag {	2114	sub load_neighbours {
1856	my ($map) = @_;	2115	my ($map) = @_;
1857		2116
1858	my @diag; # diagonal neighbours	2117	my @neigh; # diagonal neighbours
1859		2118
1860	for (0 .. 3) {	2119	for (0 .. 3) {
1861	my $neigh = $map->tile_path ($_)	2120	my $neigh = $map->tile_path ($_)
1862	or next;	2121	or next;
1863	$neigh = find $neigh, $map	2122	$neigh = find $neigh, $map
1864	or next;	2123	or next;
1865	$neigh->load;	2124	$neigh->load;
1866		2125
		2126	push @neigh,
1867	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2127	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1868	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2128	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1869	}	2129	}
1870		2130
1871	for (@diag) {	2131	for (grep defined $_->[0], @neigh) {
		2132	my ($path, $origin) = @$_;
1872	my $neigh = find @$_	2133	my $neigh = find $path, $origin
1873	or next;	2134	or next;
1874	$neigh->load;	2135	$neigh->load;
1875	}	2136	}
1876	}	2137	}
1877		2138
…		…
1882	}	2143	}
1883		2144
1884	sub do_load_sync {	2145	sub do_load_sync {
1885	my ($map) = @_;	2146	my ($map) = @_;
1886		2147
		2148	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2149	if $Coro::current == $Coro::main;
		2150
1887	cf::sync_job { $map->load };	2151	cf::sync_job { $map->load };
1888	}	2152	}
1889		2153
1890	our %MAP_PREFETCH;	2154	our %MAP_PREFETCH;
1891	our $MAP_PREFETCHER = undef;	2155	our $MAP_PREFETCHER = undef;
1892		2156
1893	sub find_async {	2157	sub find_async {
1894	my ($path, $origin) = @_;	2158	my ($path, $origin, $load) = @_;
1895		2159
1896	$path = normalise $path, $origin && $origin->{path};	2160	$path = normalise $path, $origin && $origin->{path};
1897		2161
1898	if (my $map = $cf::MAP{$path}) {	2162	if (my $map = $cf::MAP{$path}) {
1899	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2163	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1900	}	2164	}
1901		2165
1902	undef $MAP_PREFETCH{$path};	2166	$MAP_PREFETCH{$path} |= $load;
		2167
1903	$MAP_PREFETCHER ||= cf::async {	2168	$MAP_PREFETCHER ||= cf::async {
		2169	$Coro::current->{desc} = "map prefetcher";
		2170
1904	while (%MAP_PREFETCH) {	2171	while (%MAP_PREFETCH) {
1905	for my $path (keys %MAP_PREFETCH) {	2172	while (my ($k, $v) = each %MAP_PREFETCH) {
1906	my $map = find $path	2173	if (my $map = find $k) {
1907	or next;
1908	$map->load;	2174	$map->load if $v;
		2175	}
1909		2176
1910	delete $MAP_PREFETCH{$path};	2177	delete $MAP_PREFETCH{$k};
1911	}	2178	}
1912	}	2179	}
1913	undef $MAP_PREFETCHER;	2180	undef $MAP_PREFETCHER;
1914	};	2181	};
1915	$MAP_PREFETCHER->prio (6);	2182	$MAP_PREFETCHER->prio (6);
…		…
1918	}	2185	}
1919		2186
1920	sub save {	2187	sub save {
1921	my ($self) = @_;	2188	my ($self) = @_;
1922		2189
1923	my $lock = cf::lock_acquire "map_data:" . $self->path;	2190	my $lock = cf::lock_acquire "map_data:$self->{path}";
1924		2191
1925	$self->{last_save} = $cf::RUNTIME;	2192	$self->{last_save} = $cf::RUNTIME;
1926		2193
1927	return unless $self->dirty;	2194	return unless $self->dirty;
1928		2195
…		…
1934	return if $self->{deny_save};	2201	return if $self->{deny_save};
1935		2202
1936	local $self->{last_access} = $self->last_access;#d#	2203	local $self->{last_access} = $self->last_access;#d#
1937		2204
1938	cf::async {	2205	cf::async {
		2206	$Coro::current->{desc} = "map player save";
1939	$_->contr->save for $self->players;	2207	$_->contr->save for $self->players;
1940	};	2208	};
		2209
		2210	cf::get_slot 0.02;
1941		2211
1942	if ($uniq) {	2212	if ($uniq) {
1943	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2213	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1944	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2214	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1945	} else {	2215	} else {
…		…
1951	my ($self) = @_;	2221	my ($self) = @_;
1952		2222
1953	# save first because save cedes	2223	# save first because save cedes
1954	$self->save;	2224	$self->save;
1955		2225
1956	my $lock = cf::lock_acquire "map_data:" . $self->path;	2226	my $lock = cf::lock_acquire "map_data:$self->{path}";
1957		2227
1958	return if $self->players;	2228	return if $self->players;
1959	return if $self->in_memory != cf::MAP_IN_MEMORY;	2229	return if $self->in_memory != cf::MAP_ACTIVE;
1960	return if $self->{deny_save};	2230	return if $self->{deny_save};
1961		2231
		2232	$self->in_memory (cf::MAP_SWAPPED);
		2233
		2234	$self->deactivate;
		2235	$_->clear_links_to ($self) for values %cf::MAP;
1962	$self->clear;	2236	$self->clear;
1963	$self->in_memory (cf::MAP_SWAPPED);
1964	}	2237	}
1965		2238
1966	sub reset_at {	2239	sub reset_at {
1967	my ($self) = @_;	2240	my ($self) = @_;
1968		2241
…		…
1986		2259
1987	my $lock = cf::lock_acquire "map_data:$self->{path}";	2260	my $lock = cf::lock_acquire "map_data:$self->{path}";
1988		2261
1989	return if $self->players;	2262	return if $self->players;
1990		2263
1991	warn "resetting map ", $self->path;	2264	warn "resetting map ", $self->path, "\n";
1992		2265
1993	$self->in_memory (cf::MAP_SWAPPED);	2266	$self->in_memory (cf::MAP_SWAPPED);
1994		2267
1995	# need to save uniques path	2268	# need to save uniques path
1996	unless ($self->{deny_save}) {	2269	unless ($self->{deny_save}) {
…		…
2000	if $uniq;	2273	if $uniq;
2001	}	2274	}
2002		2275
2003	delete $cf::MAP{$self->path};	2276	delete $cf::MAP{$self->path};
2004		2277
		2278	$self->deactivate;
		2279	$_->clear_links_to ($self) for values %cf::MAP;
2005	$self->clear;	2280	$self->clear;
2006
2007	$_->clear_links_to ($self) for values %cf::MAP;
2008		2281
2009	$self->unlink_save;	2282	$self->unlink_save;
2010	$self->destroy;	2283	$self->destroy;
2011	}	2284	}
2012		2285
2013	my $nuke_counter = "aaaa";	2286	my $nuke_counter = "aaaa";
2014		2287
2015	sub nuke {	2288	sub nuke {
2016	my ($self) = @_;	2289	my ($self) = @_;
2017		2290
		2291	{
		2292	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2293
2018	delete $cf::MAP{$self->path};	2294	delete $cf::MAP{$self->path};
2019		2295
2020	$self->unlink_save;	2296	$self->unlink_save;
2021		2297
2022	bless $self, "cf::map";	2298	bless $self, "cf::map";
2023	delete $self->{deny_reset};	2299	delete $self->{deny_reset};
2024	$self->{deny_save} = 1;	2300	$self->{deny_save} = 1;
2025	$self->reset_timeout (1);	2301	$self->reset_timeout (1);
2026	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2302	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2027		2303
2028	$cf::MAP{$self->path} = $self;	2304	$cf::MAP{$self->path} = $self;
		2305	}
2029		2306
2030	$self->reset; # polite request, might not happen	2307	$self->reset; # polite request, might not happen
2031	}	2308	}
2032		2309
2033	=item $maps = cf::map::tmp_maps	2310	=item $maps = cf::map::tmp_maps
…		…
2075		2352
2076	sub unique_maps() {	2353	sub unique_maps() {
2077	[	2354	[
2078	map {	2355	map {
2079	utf8::decode $_;	2356	utf8::decode $_;
2080	/\.map$/	2357	s/\.map$//; # TODO future compatibility hack
		2358	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2359	? ()
2081	? normalise $_	2360	: normalise $_
2082	: ()
2083	} @{ aio_readdir $UNIQUEDIR or [] }	2361	} @{ aio_readdir $UNIQUEDIR or [] }
2084	]	2362	]
2085	}	2363	}
2086		2364
2087	package cf;	2365	=item cf::map::static_maps
		2366
		2367	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2368	file in the shared directory excluding F</styles> and F</editor>). May
		2369	block.
		2370
		2371	=cut
		2372
		2373	sub static_maps() {
		2374	my @dirs = "";
		2375	my @maps;
		2376
		2377	while (@dirs) {
		2378	my $dir = shift @dirs;
		2379
		2380	next if $dir eq "/styles" || $dir eq "/editor";
		2381
		2382	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2383	or return;
		2384
		2385	for (@$files) {
		2386	s/\.map$// or next;
		2387	utf8::decode $_;
		2388	push @maps, "$dir/$_";
		2389	}
		2390
		2391	push @dirs, map "$dir/$_", @$dirs;
		2392	}
		2393
		2394	\@maps
		2395	}
2088		2396
2089	=back	2397	=back
2090		2398
2091	=head3 cf::object	2399	=head3 cf::object
2092		2400
…		…
2096		2404
2097	=over 4	2405	=over 4
2098		2406
2099	=item $ob->inv_recursive	2407	=item $ob->inv_recursive
2100		2408
2101	Returns the inventory of the object _and_ their inventories, recursively.	2409	Returns the inventory of the object I<and> their inventories, recursively,
		2410	but I<not> the object itself.
2102		2411
2103	=cut	2412	=cut
2104		2413
2105	sub inv_recursive_;	2414	sub inv_recursive_;
2106	sub inv_recursive_ {	2415	sub inv_recursive_ {
…		…
2109		2418
2110	sub inv_recursive {	2419	sub inv_recursive {
2111	inv_recursive_ inv $_[0]	2420	inv_recursive_ inv $_[0]
2112	}	2421	}
2113		2422
		2423	=item $ref = $ob->ref
		2424
		2425	Creates and returns a persistent reference to an object that can be stored as a string.
		2426
		2427	=item $ob = cf::object::deref ($refstring)
		2428
		2429	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2430	even if the object actually exists. May block.
		2431
		2432	=cut
		2433
		2434	sub deref {
		2435	my ($ref) = @_;
		2436
		2437	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2438	my ($uuid, $name) = ($1, $2);
		2439	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2440	or return;
		2441	$pl->ob->uuid eq $uuid
		2442	or return;
		2443
		2444	$pl->ob
		2445	} else {
		2446	warn "$ref: cannot resolve object reference\n";
		2447	undef
		2448	}
		2449	}
		2450
2114	package cf;	2451	package cf;
2115		2452
2116	=back	2453	=back
2117		2454
2118	=head3 cf::object::player	2455	=head3 cf::object::player
…		…
2124	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2461	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2125	can be C<undef>. Does the right thing when the player is currently in a	2462	can be C<undef>. Does the right thing when the player is currently in a
2126	dialogue with the given NPC character.	2463	dialogue with the given NPC character.
2127		2464
2128	=cut	2465	=cut
		2466
		2467	our $SAY_CHANNEL = {
		2468	id => "say",
		2469	title => "Map",
		2470	reply => "say ",
		2471	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2472	};
		2473
		2474	our $CHAT_CHANNEL = {
		2475	id => "chat",
		2476	title => "Chat",
		2477	reply => "chat ",
		2478	tooltip => "Player chat and shouts, global to the server.",
		2479	};
2129		2480
2130	# rough implementation of a future "reply" method that works	2481	# rough implementation of a future "reply" method that works
2131	# with dialog boxes.	2482	# with dialog boxes.
2132	#TODO: the first argument must go, split into a $npc->reply_to ( method	2483	#TODO: the first argument must go, split into a $npc->reply_to ( method
2133	sub cf::object::player::reply($$$;$) {	2484	sub cf::object::player::reply($$$;$) {
…		…
2140		2491
2141	} else {	2492	} else {
2142	my $pl = $self->contr;	2493	my $pl = $self->contr;
2143		2494
2144	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2495	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2145	my $diag = $pl->{npc_dialog};	2496	my $dialog = $pl->{npc_dialog};
2146	$diag->{pl}->ext_reply (	2497	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2147	$diag->{id},
2148	msgtype => "reply",
2149	msg => $diag->{pl}->expand_cfpod ($msg),
2150	add_topics => []
2151	);
2152		2498
2153	} else {	2499	} else {
2154	$msg = $npc->name . " says: $msg" if $npc;	2500	$msg = $npc->name . " says: $msg" if $npc;
2155	$self->message ($msg, $flags);	2501	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2156	}	2502	}
2157	}	2503	}
		2504	}
		2505
		2506	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2507
		2508	=cut
		2509
		2510	sub cf::object::send_msg {
		2511	my $pl = shift->contr
		2512	or return;
		2513	$pl->send_msg (@_);
2158	}	2514	}
2159		2515
2160	=item $player_object->may ("access")	2516	=item $player_object->may ("access")
2161		2517
2162	Returns wether the given player is authorized to access resource "access"	2518	Returns wether the given player is authorized to access resource "access"
…		…
2175		2531
2176	=item $player_object->enter_link	2532	=item $player_object->enter_link
2177		2533
2178	Freezes the player and moves him/her to a special map (C<{link}>).	2534	Freezes the player and moves him/her to a special map (C<{link}>).
2179		2535
2180	The player should be reasonably safe there for short amounts of time. You	2536	The player should be reasonably safe there for short amounts of time (e.g.
2181	I<MUST> call C<leave_link> as soon as possible, though.	2537	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2538	though, as the palyer cannot control the character while it is on the link
		2539	map.
2182		2540
2183	Will never block.	2541	Will never block.
2184		2542
2185	=item $player_object->leave_link ($map, $x, $y)	2543	=item $player_object->leave_link ($map, $x, $y)
2186		2544
…		…
2238	($x, $y) = (-1, -1)	2596	($x, $y) = (-1, -1)
2239	unless (defined $x) && (defined $y);	2597	unless (defined $x) && (defined $y);
2240		2598
2241	# use -1 or undef as default coordinates, not 0, 0	2599	# use -1 or undef as default coordinates, not 0, 0
2242	($x, $y) = ($map->enter_x, $map->enter_y)	2600	($x, $y) = ($map->enter_x, $map->enter_y)
2243	if $x <=0 && $y <= 0;	2601	if $x <= 0 && $y <= 0;
2244		2602
2245	$map->load;	2603	$map->load;
2246	$map->load_diag;	2604	$map->load_neighbours;
2247		2605
2248	return unless $self->contr->active;	2606	return unless $self->contr->active;
2249	$self->activate_recursive;
2250		2607
2251	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2608	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2252	$self->enter_map ($map, $x, $y);	2609	$self->enter_map ($map, $x, $y);
2253	}
2254		2610
		2611	# only activate afterwards, to support waiting in hooks
		2612	$self->activate_recursive;
		2613	}
		2614
2255	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2615	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2256		2616
2257	Moves the player to the given map-path and coordinates by first freezing	2617	Moves the player to the given map-path and coordinates by first freezing
2258	her, loading and preparing them map, calling the provided $check callback	2618	her, loading and preparing them map, calling the provided $check callback
2259	that has to return the map if sucecssful, and then unfreezes the player on	2619	that has to return the map if sucecssful, and then unfreezes the player on
2260	the new (success) or old (failed) map position.	2620	the new (success) or old (failed) map position. In either case, $done will
		2621	be called at the end of this process.
		2622
		2623	Note that $check will be called with a potentially non-loaded map, so if
		2624	it needs a loaded map it has to call C<< ->load >>.
2261		2625
2262	=cut	2626	=cut
2263		2627
2264	our $GOTOGEN;	2628	our $GOTOGEN;
2265		2629
2266	sub cf::object::player::goto {	2630	sub cf::object::player::goto {
2267	my ($self, $path, $x, $y, $check) = @_;	2631	my ($self, $path, $x, $y, $check, $done) = @_;
2268		2632
2269	# do generation counting so two concurrent goto's will be executed in-order	2633	# do generation counting so two concurrent goto's will be executed in-order
2270	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2634	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2271		2635
2272	$self->enter_link;	2636	$self->enter_link;
2273		2637
2274	(async {	2638	(async {
		2639	$Coro::current->{desc} = "player::goto $path $x $y";
		2640
		2641	# *tag paths override both path and x|y
		2642	if ($path =~ /^\*(.*)$/) {
		2643	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2644	my $ob = $obs[rand @obs];
		2645
		2646	# see if we actually can go there
		2647	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2648	$ob = $obs[rand @obs];
		2649	} else {
		2650	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2651	}
		2652	# else put us there anyways for now #d#
		2653
		2654	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2655	} else {
		2656	($path, $x, $y) = (undef, undef, undef);
		2657	}
		2658	}
		2659
2275	my $map = eval {	2660	my $map = eval {
2276	my $map = cf::map::find $path;	2661	my $map = defined $path ? cf::map::find $path : undef;
2277		2662
2278	if ($map) {	2663	if ($map) {
2279	$map = $map->customise_for ($self);	2664	$map = $map->customise_for ($self);
2280	$map = $check->($map) if $check && $map;	2665	$map = $check->($map) if $check && $map;
2281	} else {	2666	} else {
2282	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2667	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2283	}	2668	}
2284		2669
2285	$map	2670	$map
2286	};	2671	};
2287		2672
…		…
2292		2677
2293	if ($gen == $self->{_goto_generation}) {	2678	if ($gen == $self->{_goto_generation}) {
2294	delete $self->{_goto_generation};	2679	delete $self->{_goto_generation};
2295	$self->leave_link ($map, $x, $y);	2680	$self->leave_link ($map, $x, $y);
2296	}	2681	}
		2682
		2683	$done->() if $done;
2297	})->prio (1);	2684	})->prio (1);
2298	}	2685	}
2299		2686
2300	=item $player_object->enter_exit ($exit_object)	2687	=item $player_object->enter_exit ($exit_object)
2301		2688
…		…
2321	}	2708	}
2322		2709
2323	sub prepare_random_map {	2710	sub prepare_random_map {
2324	my ($exit) = @_;	2711	my ($exit) = @_;
2325		2712
2326	my $guard = cf::lock_acquire "exit_prepare:$exit";
2327
2328	# all this does is basically replace the /! path by	2713	# all this does is basically replace the /! path by
2329	# a new random map path (?random/...) with a seed	2714	# a new random map path (?random/...) with a seed
2330	# that depends on the exit object	2715	# that depends on the exit object
2331		2716
2332	my $rmp = parse_random_map_params $exit->msg;	2717	my $rmp = parse_random_map_params $exit->msg;
…		…
2334	if ($exit->map) {	2719	if ($exit->map) {
2335	$rmp->{region} = $exit->region->name;	2720	$rmp->{region} = $exit->region->name;
2336	$rmp->{origin_map} = $exit->map->path;	2721	$rmp->{origin_map} = $exit->map->path;
2337	$rmp->{origin_x} = $exit->x;	2722	$rmp->{origin_x} = $exit->x;
2338	$rmp->{origin_y} = $exit->y;	2723	$rmp->{origin_y} = $exit->y;
		2724
		2725	$exit->map->touch;
2339	}	2726	}
2340		2727
2341	$rmp->{random_seed} ||= $exit->random_seed;	2728	$rmp->{random_seed} ||= $exit->random_seed;
2342		2729
2343	my $data = cf::to_json $rmp;	2730	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2344	my $md5 = Digest::MD5::md5_hex $data;	2731	my $md5 = Digest::MD5::md5_hex $data;
2345	my $meta = "$RANDOMDIR/$md5.meta";	2732	my $meta = "$RANDOMDIR/$md5.meta";
2346		2733
2347	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2734	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2348	aio_write $fh, 0, (length $data), $data, 0;	2735	aio_write $fh, 0, (length $data), $data, 0;
2349	undef $fh;	2736	undef $fh;
2350	aio_rename "$meta~", $meta;	2737	aio_rename "$meta~", $meta;
2351		2738
		2739	my $slaying = "?random/$md5";
		2740
		2741	if ($exit->valid) {
2352	$exit->slaying ("?random/$md5");	2742	$exit->slaying ("?random/$md5");
2353	$exit->msg (undef);	2743	$exit->msg (undef);
		2744	}
2354	}	2745	}
2355	}	2746	}
2356		2747
2357	sub cf::object::player::enter_exit {	2748	sub cf::object::player::enter_exit {
2358	my ($self, $exit) = @_;	2749	my ($self, $exit) = @_;
2359		2750
2360	return unless $self->type == cf::PLAYER;	2751	return unless $self->type == cf::PLAYER;
2361		2752
2362	if ($exit->slaying eq "/!") {
2363	#TODO: this should de-fi-ni-te-ly not be a sync-job
2364	# the problem is that $exit might not survive long enough
2365	# so it needs to be done right now, right here
2366	cf::sync_job { prepare_random_map $exit };
2367	}
2368
2369	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2370	my $hp = $exit->stats->hp;
2371	my $sp = $exit->stats->sp;
2372
2373	$self->enter_link;	2753	$self->enter_link;
2374		2754
2375	# if exit is damned, update players death & WoR home-position
2376	$self->contr->savebed ($slaying, $hp, $sp)
2377	if $exit->flag (FLAG_DAMNED);
2378
2379	(async {	2755	(async {
2380	$self->deactivate_recursive; # just to be sure	2756	$Coro::current->{desc} = "enter_exit";
		2757
2381	unless (eval {	2758	unless (eval {
		2759	$self->deactivate_recursive; # just to be sure
		2760
		2761	# random map handling
		2762	{
		2763	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2764
		2765	prepare_random_map $exit
		2766	if $exit->slaying eq "/!";
		2767	}
		2768
		2769	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2770	my $x = $exit->stats->hp;
		2771	my $y = $exit->stats->sp;
		2772
2382	$self->goto ($slaying, $hp, $sp);	2773	$self->goto ($map, $x, $y);
2383		2774
		2775	# if exit is damned, update players death & WoR home-position
		2776	$self->contr->savebed ($map, $x, $y)
		2777	if $exit->flag (cf::FLAG_DAMNED);
		2778
2384	1;	2779	1
2385	}) {	2780	}) {
2386	$self->message ("Something went wrong deep within the crossfire server. "	2781	$self->message ("Something went wrong deep within the deliantra server. "
2387	. "I'll try to bring you back to the map you were before. "	2782	. "I'll try to bring you back to the map you were before. "
2388	. "Please report this to the dungeon master!",	2783	. "Please report this to the dungeon master!",
2389	cf::NDI_UNIQUE | cf::NDI_RED);	2784	cf::NDI_UNIQUE | cf::NDI_RED);
2390		2785
2391	warn "ERROR in enter_exit: $@";	2786	warn "ERROR in enter_exit: $@";
…		…
2410		2805
2411	utf8::encode $text;	2806	utf8::encode $text;
2412	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2807	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2413	}	2808	}
2414		2809
		2810	=item $client->send_big_packet ($pkt)
		2811
		2812	Like C<send_packet>, but tries to compress large packets, and fragments
		2813	them as required.
		2814
		2815	=cut
		2816
		2817	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2818
		2819	sub cf::client::send_big_packet {
		2820	my ($self, $pkt) = @_;
		2821
		2822	# try lzf for large packets
		2823	$pkt = "lzf " . Compress::LZF::compress $pkt
		2824	if 1024 <= length $pkt and $self->{can_lzf};
		2825
		2826	# split very large packets
		2827	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2828	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2829	$pkt = "frag";
		2830	}
		2831
		2832	$self->send_packet ($pkt);
		2833	}
		2834
2415	=item $client->send_msg ($color, $type, $msg, [extra...])	2835	=item $client->send_msg ($channel, $msg, $color, [extra...])
2416		2836
2417	Send a drawinfo or msg packet to the client, formatting the msg for the	2837	Send a drawinfo or msg packet to the client, formatting the msg for the
2418	client if neccessary. C<$type> should be a string identifying the type of	2838	client if neccessary. C<$type> should be a string identifying the type of
2419	the message, with C<log> being the default. If C<$color> is negative, suppress	2839	the message, with C<log> being the default. If C<$color> is negative, suppress
2420	the message unless the client supports the msg packet.	2840	the message unless the client supports the msg packet.
2421		2841
2422	=cut	2842	=cut
2423		2843
		2844	# non-persistent channels (usually the info channel)
		2845	our %CHANNEL = (
		2846	"c/motd" => {
		2847	id => "infobox",
		2848	title => "MOTD",
		2849	reply => undef,
		2850	tooltip => "The message of the day",
		2851	},
		2852	"c/identify" => {
		2853	id => "infobox",
		2854	title => "Identify",
		2855	reply => undef,
		2856	tooltip => "Items recently identified",
		2857	},
		2858	"c/examine" => {
		2859	id => "infobox",
		2860	title => "Examine",
		2861	reply => undef,
		2862	tooltip => "Signs and other items you examined",
		2863	},
		2864	"c/shopinfo" => {
		2865	id => "infobox",
		2866	title => "Shop Info",
		2867	reply => undef,
		2868	tooltip => "What your bargaining skill tells you about the shop",
		2869	},
		2870	"c/book" => {
		2871	id => "infobox",
		2872	title => "Book",
		2873	reply => undef,
		2874	tooltip => "The contents of a note or book",
		2875	},
		2876	"c/lookat" => {
		2877	id => "infobox",
		2878	title => "Look",
		2879	reply => undef,
		2880	tooltip => "What you saw there",
		2881	},
		2882	"c/who" => {
		2883	id => "infobox",
		2884	title => "Players",
		2885	reply => undef,
		2886	tooltip => "Shows players who are currently online",
		2887	},
		2888	"c/body" => {
		2889	id => "infobox",
		2890	title => "Body Parts",
		2891	reply => undef,
		2892	tooltip => "Shows which body parts you posess and are available",
		2893	},
		2894	"c/statistics" => {
		2895	id => "infobox",
		2896	title => "Statistics",
		2897	reply => undef,
		2898	tooltip => "Shows your primary statistics",
		2899	},
		2900	"c/skills" => {
		2901	id => "infobox",
		2902	title => "Skills",
		2903	reply => undef,
		2904	tooltip => "Shows your experience per skill and item power",
		2905	},
		2906	"c/shopitems" => {
		2907	id => "infobox",
		2908	title => "Shop Items",
		2909	reply => undef,
		2910	tooltip => "Shows the items currently for sale in this shop",
		2911	},
		2912	"c/resistances" => {
		2913	id => "infobox",
		2914	title => "Resistances",
		2915	reply => undef,
		2916	tooltip => "Shows your resistances",
		2917	},
		2918	"c/pets" => {
		2919	id => "infobox",
		2920	title => "Pets",
		2921	reply => undef,
		2922	tooltip => "Shows information abotu your pets/a specific pet",
		2923	},
		2924	"c/perceiveself" => {
		2925	id => "infobox",
		2926	title => "Perceive Self",
		2927	reply => undef,
		2928	tooltip => "You gained detailed knowledge about yourself",
		2929	},
		2930	"c/uptime" => {
		2931	id => "infobox",
		2932	title => "Uptime",
		2933	reply => undef,
		2934	tooltip => "How long the server has been running since last restart",
		2935	},
		2936	"c/mapinfo" => {
		2937	id => "infobox",
		2938	title => "Map Info",
		2939	reply => undef,
		2940	tooltip => "Information related to the maps",
		2941	},
		2942	"c/party" => {
		2943	id => "party",
		2944	title => "Party",
		2945	reply => "gsay ",
		2946	tooltip => "Messages and chat related to your party",
		2947	},
		2948	"c/death" => {
		2949	id => "death",
		2950	title => "Death",
		2951	reply => undef,
		2952	tooltip => "Reason for and more info about your most recent death",
		2953	},
		2954	"c/say" => $SAY_CHANNEL,
		2955	"c/chat" => $CHAT_CHANNEL,
		2956	);
		2957
2424	sub cf::client::send_msg {	2958	sub cf::client::send_msg {
2425	my ($self, $color, $type, $msg, @extra) = @_;	2959	my ($self, $channel, $msg, $color, @extra) = @_;
2426		2960
2427	$msg = $self->pl->expand_cfpod ($msg);	2961	$msg = $self->pl->expand_cfpod ($msg)
		2962	unless $color & cf::NDI_VERBATIM;
		2963
		2964	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2965
		2966	# check predefined channels, for the benefit of C
		2967	if ($CHANNEL{$channel}) {
		2968	$channel = $CHANNEL{$channel};
		2969
		2970	$self->ext_msg (channel_info => $channel);
		2971	$channel = $channel->{id};
		2972
		2973	} elsif (ref $channel) {
		2974	# send meta info to client, if not yet sent
		2975	unless (exists $self->{channel}{$channel->{id}}) {
		2976	$self->{channel}{$channel->{id}} = $channel;
		2977	$self->ext_msg (channel_info => $channel);
		2978	}
		2979
		2980	$channel = $channel->{id};
		2981	}
2428		2982
2429	return unless @extra || length $msg;	2983	return unless @extra || length $msg;
2430		2984
2431	if ($self->can_msg) {	2985	# default colour, mask it out
2432	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	2986	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2433	} else {	2987	if $color & cf::NDI_DEF;
2434	# replace some tags by gcfclient-compatible ones
2435	for ($msg) {
2436	1 while
2437	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2438	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2439	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2440	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2441	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2442	}
2443		2988
2444	if ($color >= 0) {	2989	my $pkt = "msg "
2445	if (0 && $msg =~ /\[/) {	2990	. $self->{json_coder}->encode (
2446	$self->send_packet ("drawextinfo $color 4 0 $msg")	2991	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2447	} else {	2992	);
2448	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2449	$self->send_packet ("drawinfo $color $msg")
2450	}
2451	}
2452	}
2453	}
2454		2993
		2994	$self->send_big_packet ($pkt);
		2995	}
		2996
2455	=item $client->ext_event ($type, %msg)	2997	=item $client->ext_msg ($type, @msg)
2456		2998
2457	Sends an ext event to the client.	2999	Sends an ext event to the client.
2458		3000
2459	=cut	3001	=cut
2460		3002
2461	sub cf::client::ext_event($$%) {	3003	sub cf::client::ext_msg($$@) {
2462	my ($self, $type, %msg) = @_;	3004	my ($self, $type, @msg) = @_;
2463		3005
		3006	if ($self->extcmd == 2) {
		3007	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3008	} elsif ($self->extcmd == 1) { # TODO: remove
2464	$msg{msgtype} = "event_$type";	3009	push @msg, msgtype => "event_$type";
2465	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3010	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3011	}
		3012	}
		3013
		3014	=item $client->ext_reply ($msgid, @msg)
		3015
		3016	Sends an ext reply to the client.
		3017
		3018	=cut
		3019
		3020	sub cf::client::ext_reply($$@) {
		3021	my ($self, $id, @msg) = @_;
		3022
		3023	if ($self->extcmd == 2) {
		3024	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3025	} elsif ($self->extcmd == 1) {
		3026	#TODO: version 1, remove
		3027	unshift @msg, msgtype => "reply", msgid => $id;
		3028	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3029	}
2466	}	3030	}
2467		3031
2468	=item $success = $client->query ($flags, "text", \&cb)	3032	=item $success = $client->query ($flags, "text", \&cb)
2469		3033
2470	Queues a query to the client, calling the given callback with	3034	Queues a query to the client, calling the given callback with
…		…
2525	my ($ns, $buf) = @_;	3089	my ($ns, $buf) = @_;
2526		3090
2527	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3091	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2528		3092
2529	if (ref $msg) {	3093	if (ref $msg) {
		3094	my ($type, $reply, @payload) =
		3095	"ARRAY" eq ref $msg
		3096	? @$msg
		3097	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3098
		3099	my @reply;
		3100
2530	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3101	if (my $cb = $EXTICMD{$type}) {
2531	if (my %reply = $cb->($ns, $msg)) {	3102	@reply = $cb->($ns, @payload);
2532	$reply{msgid} = $msg->{msgid};
2533	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2534	}
2535	}	3103	}
		3104
		3105	$ns->ext_reply ($reply, @reply)
		3106	if $reply;
		3107
2536	} else {	3108	} else {
2537	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3109	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2538	}	3110	}
2539		3111
2540	cf::override;	3112	cf::override;
…		…
2587	our $safe = new Safe "safe";	3159	our $safe = new Safe "safe";
2588	our $safe_hole = new Safe::Hole;	3160	our $safe_hole = new Safe::Hole;
2589		3161
2590	$SIG{FPE} = 'IGNORE';	3162	$SIG{FPE} = 'IGNORE';
2591		3163
2592	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3164	$safe->permit_only (Opcode::opset qw(
		3165	:base_core :base_mem :base_orig :base_math :base_loop
		3166	grepstart grepwhile mapstart mapwhile
		3167	sort time
		3168	));
2593		3169
2594	# here we export the classes and methods available to script code	3170	# here we export the classes and methods available to script code
2595		3171
2596	=pod	3172	=pod
2597		3173
2598	The following functions and methods are available within a safe environment:	3174	The following functions and methods are available within a safe environment:
2599		3175
2600	cf::object	3176	cf::object
2601	contr pay_amount pay_player map x y force_find force_add	3177	contr pay_amount pay_player map x y force_find force_add destroy
2602	insert remove	3178	insert remove name archname title slaying race decrease split
		3179	value
2603		3180
2604	cf::object::player	3181	cf::object::player
2605	player	3182	player
2606		3183
2607	cf::player	3184	cf::player
…		…
2612		3189
2613	=cut	3190	=cut
2614		3191
2615	for (	3192	for (
2616	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3193	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2617	insert remove)],	3194	insert remove inv nrof name archname title slaying race
		3195	decrease split destroy change_exp value msg lore send_msg)],
2618	["cf::object::player" => qw(player)],	3196	["cf::object::player" => qw(player)],
2619	["cf::player" => qw(peaceful)],	3197	["cf::player" => qw(peaceful send_msg)],
2620	["cf::map" => qw(trigger)],	3198	["cf::map" => qw(trigger)],
2621	) {	3199	) {
2622	no strict 'refs';	3200	no strict 'refs';
2623	my ($pkg, @funs) = @$_;	3201	my ($pkg, @funs) = @$_;
2624	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3202	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2642		3220
2643	my $qcode = $code;	3221	my $qcode = $code;
2644	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3222	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2645	$qcode =~ s/\n/\\n/g;	3223	$qcode =~ s/\n/\\n/g;
2646		3224
		3225	%vars = (_dummy => 0) unless %vars;
		3226
		3227	my @res;
2647	local $_;	3228	local $_;
2648	local @safe::cf::_safe_eval_args = values %vars;
2649		3229
2650	my $eval =	3230	my $eval =
2651	"do {\n"	3231	"do {\n"
2652	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3232	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2653	. "#line 0 \"{$qcode}\"\n"	3233	. "#line 0 \"{$qcode}\"\n"
2654	. $code	3234	. $code
2655	. "\n}"	3235	. "\n}"
2656	;	3236	;
2657		3237
		3238	if ($CFG{safe_eval}) {
2658	sub_generation_inc;	3239	sub_generation_inc;
		3240	local @safe::cf::_safe_eval_args = values %vars;
2659	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3241	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2660	sub_generation_inc;	3242	sub_generation_inc;
		3243	} else {
		3244	local @cf::_safe_eval_args = values %vars;
		3245	@res = wantarray ? eval eval : scalar eval $eval;
		3246	}
2661		3247
2662	if ($@) {	3248	if ($@) {
2663	warn "$@";	3249	warn "$@";
2664	warn "while executing safe code '$code'\n";	3250	warn "while executing safe code '$code'\n";
2665	warn "with arguments " . (join " ", %vars) . "\n";	3251	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2684	=cut	3270	=cut
2685		3271
2686	sub register_script_function {	3272	sub register_script_function {
2687	my ($fun, $cb) = @_;	3273	my ($fun, $cb) = @_;
2688		3274
2689	no strict 'refs';	3275	$fun = "safe::$fun" if $CFG{safe_eval};
2690	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3276	*$fun = $safe_hole->wrap ($cb);
2691	}	3277	}
2692		3278
2693	=back	3279	=back
2694		3280
2695	=cut	3281	=cut
…		…
2697	#############################################################################	3283	#############################################################################
2698	# the server's init and main functions	3284	# the server's init and main functions
2699		3285
2700	sub load_facedata($) {	3286	sub load_facedata($) {
2701	my ($path) = @_;	3287	my ($path) = @_;
		3288
		3289	# HACK to clear player env face cache, we need some signal framework
		3290	# for this (global event?)
		3291	%ext::player_env::MUSIC_FACE_CACHE = ();
		3292
		3293	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2702		3294
2703	warn "loading facedata from $path\n";	3295	warn "loading facedata from $path\n";
2704		3296
2705	my $facedata;	3297	my $facedata;
2706	0 < aio_load $path, $facedata	3298	0 < aio_load $path, $facedata
…		…
2709	$facedata = Coro::Storable::thaw $facedata;	3301	$facedata = Coro::Storable::thaw $facedata;
2710		3302
2711	$facedata->{version} == 2	3303	$facedata->{version} == 2
2712	or cf::cleanup "$path: version mismatch, cannot proceed.";	3304	or cf::cleanup "$path: version mismatch, cannot proceed.";
2713		3305
		3306	# patch in the exptable
		3307	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3308	$facedata->{resource}{"res/exp_table"} = {
		3309	type => FT_RSRC,
		3310	data => $exp_table,
		3311	hash => (Digest::MD5::md5 $exp_table),
		3312	};
		3313	cf::cede_to_tick;
		3314
2714	{	3315	{
2715	my $faces = $facedata->{faceinfo};	3316	my $faces = $facedata->{faceinfo};
2716		3317
2717	while (my ($face, $info) = each %$faces) {	3318	while (my ($face, $info) = each %$faces) {
2718	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3319	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3320
2719	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3321	cf::face::set_visibility $idx, $info->{visibility};
		3322	cf::face::set_magicmap $idx, $info->{magicmap};
2720	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3323	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2721	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3324	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2722	Coro::cede;	3325
		3326	cf::cede_to_tick;
2723	}	3327	}
2724		3328
2725	while (my ($face, $info) = each %$faces) {	3329	while (my ($face, $info) = each %$faces) {
2726	next unless $info->{smooth};	3330	next unless $info->{smooth};
		3331
2727	my $idx = cf::face::find $face	3332	my $idx = cf::face::find $face
2728	or next;	3333	or next;
		3334
2729	if (my $smooth = cf::face::find $info->{smooth}) {	3335	if (my $smooth = cf::face::find $info->{smooth}) {
		3336	cf::face::set_smooth $idx, $smooth;
2730	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3337	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2731	} else {	3338	} else {
2732	warn "smooth face '$info->{smooth}' not found for face '$face'";	3339	warn "smooth face '$info->{smooth}' not found for face '$face'";
2733	}	3340	}
2734	Coro::cede;	3341
		3342	cf::cede_to_tick;
2735	}	3343	}
2736	}	3344	}
2737		3345
2738	{	3346	{
2739	my $anims = $facedata->{animinfo};	3347	my $anims = $facedata->{animinfo};
2740		3348
2741	while (my ($anim, $info) = each %$anims) {	3349	while (my ($anim, $info) = each %$anims) {
2742	cf::anim::set $anim, $info->{frames}, $info->{facings};	3350	cf::anim::set $anim, $info->{frames}, $info->{facings};
2743	Coro::cede;	3351	cf::cede_to_tick;
2744	}	3352	}
2745		3353
2746	cf::anim::invalidate_all; # d'oh	3354	cf::anim::invalidate_all; # d'oh
2747	}	3355	}
2748		3356
		3357	{
		3358	my $res = $facedata->{resource};
		3359
		3360	while (my ($name, $info) = each %$res) {
		3361	if (defined $info->{type}) {
		3362	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3363
		3364	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3365	cf::face::set_type $idx, $info->{type};
		3366	} else {
		3367	$RESOURCE{$name} = $info;
		3368	}
		3369
		3370	cf::cede_to_tick;
		3371	}
		3372	}
		3373
		3374	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3375
2749	1	3376	1
2750	}	3377	}
2751		3378
		3379	cf::global->attach (on_resource_update => sub {
		3380	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3381	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3382
		3383	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3384	my $sound = $soundconf->{compat}[$_]
		3385	or next;
		3386
		3387	my $face = cf::face::find "sound/$sound->[1]";
		3388	cf::sound::set $sound->[0] => $face;
		3389	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3390	}
		3391
		3392	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3393	my $face = cf::face::find "sound/$v";
		3394	cf::sound::set $k => $face;
		3395	}
		3396	}
		3397	});
		3398
		3399	register_exticmd fx_want => sub {
		3400	my ($ns, $want) = @_;
		3401
		3402	while (my ($k, $v) = each %$want) {
		3403	$ns->fx_want ($k, $v);
		3404	}
		3405	};
		3406
		3407	sub load_resource_file($) {
		3408	my $guard = lock_acquire "load_resource_file";
		3409
		3410	my $status = load_resource_file_ $_[0];
		3411	get_slot 0.1, 100;
		3412	cf::arch::commit_load;
		3413
		3414	$status
		3415	}
		3416
2752	sub reload_regions {	3417	sub reload_regions {
		3418	# HACK to clear player env face cache, we need some signal framework
		3419	# for this (global event?)
		3420	%ext::player_env::MUSIC_FACE_CACHE = ();
		3421
2753	load_resource_file "$MAPDIR/regions"	3422	load_resource_file "$MAPDIR/regions"
2754	or die "unable to load regions file\n";	3423	or die "unable to load regions file\n";
		3424
		3425	for (cf::region::list) {
		3426	$_->{match} = qr/$_->{match}/
		3427	if exists $_->{match};
		3428	}
2755	}	3429	}
2756		3430
2757	sub reload_facedata {	3431	sub reload_facedata {
2758	load_facedata "$DATADIR/facedata"	3432	load_facedata "$DATADIR/facedata"
2759	or die "unable to load facedata\n";	3433	or die "unable to load facedata\n";
2760	}	3434	}
2761		3435
2762	sub reload_archetypes {	3436	sub reload_archetypes {
2763	load_resource_file "$DATADIR/archetypes"	3437	load_resource_file "$DATADIR/archetypes"
2764	or die "unable to load archetypes\n";	3438	or die "unable to load archetypes\n";
2765	#d# NEED to laod twice to resolve forward references
2766	# this really needs to be done in an extra post-pass
2767	# (which needs to be synchronous, so solve it differently)
2768	load_resource_file "$DATADIR/archetypes"
2769	or die "unable to load archetypes\n";
2770	}	3439	}
2771		3440
2772	sub reload_treasures {	3441	sub reload_treasures {
2773	load_resource_file "$DATADIR/treasures"	3442	load_resource_file "$DATADIR/treasures"
2774	or die "unable to load treasurelists\n";	3443	or die "unable to load treasurelists\n";
2775	}	3444	}
2776		3445
2777	sub reload_resources {	3446	sub reload_resources {
2778	warn "reloading resource files...\n";	3447	warn "reloading resource files...\n";
2779		3448
		3449	reload_facedata;
		3450	reload_archetypes;
2780	reload_regions;	3451	reload_regions;
2781	reload_facedata;
2782	#reload_archetypes;#d#
2783	reload_archetypes;
2784	reload_treasures;	3452	reload_treasures;
2785		3453
2786	warn "finished reloading resource files\n";	3454	warn "finished reloading resource files\n";
2787	}	3455	}
2788		3456
2789	sub init {	3457	sub reload_config {
2790	reload_resources;	3458	warn "reloading config file...\n";
2791	}
2792		3459
2793	sub cfg_load {
2794	open my $fh, "<:utf8", "$CONFDIR/config"	3460	open my $fh, "<:utf8", "$CONFDIR/config"
2795	or return;	3461	or return;
2796		3462
2797	local $/;	3463	local $/;
2798	*CFG = YAML::Syck::Load <$fh>;	3464	*CFG = YAML::XS::Load scalar <$fh>;
2799		3465
2800	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3466	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2801		3467
2802	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3468	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2803	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3469	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2807	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3473	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2808	and die "WARNING: m(un)lockall failed: $!\n";	3474	and die "WARNING: m(un)lockall failed: $!\n";
2809	};	3475	};
2810	warn $@ if $@;	3476	warn $@ if $@;
2811	}	3477	}
		3478
		3479	warn "finished reloading resource files\n";
		3480	}
		3481
		3482	sub pidfile() {
		3483	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3484	or die "$PIDFILE: $!";
		3485	flock $fh, &Fcntl::LOCK_EX
		3486	or die "$PIDFILE: flock: $!";
		3487	$fh
		3488	}
		3489
		3490	# make sure only one server instance is running at any one time
		3491	sub atomic {
		3492	my $fh = pidfile;
		3493
		3494	my $pid = <$fh>;
		3495	kill 9, $pid if $pid > 0;
		3496
		3497	seek $fh, 0, 0;
		3498	print $fh $$;
		3499	}
		3500
		3501	sub main_loop {
		3502	warn "EV::loop starting\n";
		3503	if (1) {
		3504	EV::loop;
		3505	}
		3506	warn "EV::loop returned\n";
		3507	goto &main_loop unless $REALLY_UNLOOP;
2812	}	3508	}
2813		3509
2814	sub main {	3510	sub main {
		3511	cf::init_globals; # initialise logging
		3512
		3513	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3514	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3515	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3516	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3517
		3518	cf::init_experience;
		3519	cf::init_anim;
		3520	cf::init_attackmess;
		3521	cf::init_dynamic;
		3522
		3523	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3524
2815	# we must not ever block the main coroutine	3525	# we must not ever block the main coroutine
2816	local $Coro::idle = sub {	3526	local $Coro::idle = sub {
2817	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3527	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2818	(async {	3528	(async {
2819	Event::one_event;	3529	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3530	EV::loop EV::LOOP_ONESHOT;
2820	})->prio (Coro::PRIO_MAX);	3531	})->prio (Coro::PRIO_MAX);
2821	};	3532	};
2822		3533
2823	cfg_load;	3534	evthread_start IO::AIO::poll_fileno;
		3535
		3536	cf::sync_job {
		3537	cf::load_settings;
		3538	cf::load_materials;
		3539
		3540	reload_resources;
		3541	reload_config;
2824	db_init;	3542	db_init;
		3543
		3544	cf::init_uuid;
		3545	cf::init_signals;
		3546	cf::init_commands;
		3547	cf::init_skills;
		3548
		3549	cf::init_beforeplay;
		3550
		3551	atomic;
		3552
2825	load_extensions;	3553	load_extensions;
2826		3554
2827	$TICK_WATCHER->start;	3555	utime time, time, $RUNTIMEFILE;
2828	Event::loop;	3556
		3557	# no (long-running) fork's whatsoever before this point(!)
		3558	use POSIX ();
		3559	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3560
		3561	(pop @POST_INIT)->(0) while @POST_INIT;
		3562	};
		3563
		3564	main_loop;
2829	}	3565	}
2830		3566
2831	#############################################################################	3567	#############################################################################
2832	# initialisation and cleanup	3568	# initialisation and cleanup
2833		3569
2834	# install some emergency cleanup handlers	3570	# install some emergency cleanup handlers
2835	BEGIN {	3571	BEGIN {
		3572	our %SIGWATCHER = ();
2836	for my $signal (qw(INT HUP TERM)) {	3573	for my $signal (qw(INT HUP TERM)) {
2837	Event->signal (	3574	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2838	reentrant => 0,
2839	data => WF_AUTOCANCEL,
2840	signal => $signal,
2841	prio => 0,
2842	cb => sub {
2843	cf::cleanup "SIG$signal";	3575	cf::cleanup "SIG$signal";
2844	},
2845	);	3576	};
2846	}	3577	}
2847	}	3578	}
2848		3579
2849	sub write_runtime {	3580	sub write_runtime_sync {
2850	my $runtime = "$LOCALDIR/runtime";	3581	my $t0 = EV::time;
2851		3582
2852	# first touch the runtime file to show we are still running:	3583	# first touch the runtime file to show we are still running:
2853	# the fsync below can take a very very long time.	3584	# the fsync below can take a very very long time.
2854		3585
2855	IO::AIO::aio_utime $runtime, undef, undef;	3586	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2856		3587
2857	my $guard = cf::lock_acquire "write_runtime";	3588	my $guard = cf::lock_acquire "write_runtime";
2858		3589
2859	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3590	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2860	or return;	3591	or return;
2861		3592
2862	my $value = $cf::RUNTIME + 90 + 10;	3593	my $value = $cf::RUNTIME + 90 + 10;
2863	# 10 is the runtime save interval, for a monotonic clock	3594	# 10 is the runtime save interval, for a monotonic clock
2864	# 60 allows for the watchdog to kill the server.	3595	# 60 allows for the watchdog to kill the server.
…		…
2874	aio_utime $fh, undef, undef;	3605	aio_utime $fh, undef, undef;
2875		3606
2876	close $fh	3607	close $fh
2877	or return;	3608	or return;
2878		3609
2879	aio_rename "$runtime~", $runtime	3610	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2880	and return;	3611	and return;
2881		3612
2882	warn "runtime file written.\n";	3613	warn sprintf "runtime file written (%gs).\n", EV::time - $t0;
2883		3614
2884	1	3615	1
		3616	}
		3617
		3618	our $uuid_lock;
		3619	our $uuid_skip;
		3620
		3621	sub write_uuid_sync($) {
		3622	$uuid_skip ||= $_[0];
		3623
		3624	return if $uuid_lock;
		3625	local $uuid_lock = 1;
		3626
		3627	my $uuid = "$LOCALDIR/uuid";
		3628
		3629	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3630	or return;
		3631
		3632	my $value = uuid_seq uuid_cur;
		3633
		3634	unless ($value) {
		3635	warn "cowardly refusing to write zero uuid value!\n";
		3636	return;
		3637	}
		3638
		3639	my $value = uuid_str $value + $uuid_skip;
		3640	$uuid_skip = 0;
		3641
		3642	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3643	and return;
		3644
		3645	# always fsync - this file is important
		3646	aio_fsync $fh
		3647	and return;
		3648
		3649	close $fh
		3650	or return;
		3651
		3652	aio_rename "$uuid~", $uuid
		3653	and return;
		3654
		3655	warn "uuid file written ($value).\n";
		3656
		3657	1
		3658
		3659	}
		3660
		3661	sub write_uuid($$) {
		3662	my ($skip, $sync) = @_;
		3663
		3664	$sync ? write_uuid_sync $skip
		3665	: async { write_uuid_sync $skip };
2885	}	3666	}
2886		3667
2887	sub emergency_save() {	3668	sub emergency_save() {
2888	my $freeze_guard = cf::freeze_mainloop;	3669	my $freeze_guard = cf::freeze_mainloop;
2889		3670
2890	warn "enter emergency perl save\n";	3671	warn "emergency_perl_save: enter\n";
2891		3672
2892	cf::sync_job {	3673	cf::sync_job {
		3674	# this is a trade-off: we want to be very quick here, so
		3675	# save all maps without fsync, and later call a global sync
		3676	# (which in turn might be very very slow)
		3677	local $USE_FSYNC = 0;
		3678
2893	# use a peculiar iteration method to avoid tripping on perl	3679	# use a peculiar iteration method to avoid tripping on perl
2894	# refcount bugs in for. also avoids problems with players	3680	# refcount bugs in for. also avoids problems with players
2895	# and maps saved/destroyed asynchronously.	3681	# and maps saved/destroyed asynchronously.
2896	warn "begin emergency player save\n";	3682	warn "emergency_perl_save: begin player save\n";
2897	for my $login (keys %cf::PLAYER) {	3683	for my $login (keys %cf::PLAYER) {
2898	my $pl = $cf::PLAYER{$login} or next;	3684	my $pl = $cf::PLAYER{$login} or next;
2899	$pl->valid or next;	3685	$pl->valid or next;
		3686	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2900	$pl->save;	3687	$pl->save;
2901	}	3688	}
2902	warn "end emergency player save\n";	3689	warn "emergency_perl_save: end player save\n";
2903		3690
2904	warn "begin emergency map save\n";	3691	warn "emergency_perl_save: begin map save\n";
2905	for my $path (keys %cf::MAP) {	3692	for my $path (keys %cf::MAP) {
2906	my $map = $cf::MAP{$path} or next;	3693	my $map = $cf::MAP{$path} or next;
2907	$map->valid or next;	3694	$map->valid or next;
2908	$map->save;	3695	$map->save;
2909	}	3696	}
2910	warn "end emergency map save\n";	3697	warn "emergency_perl_save: end map save\n";
2911		3698
2912	warn "begin emergency database checkpoint\n";	3699	warn "emergency_perl_save: begin database checkpoint\n";
2913	BDB::db_env_txn_checkpoint $DB_ENV;	3700	BDB::db_env_txn_checkpoint $DB_ENV;
2914	warn "end emergency database checkpoint\n";	3701	warn "emergency_perl_save: end database checkpoint\n";
		3702
		3703	warn "emergency_perl_save: begin write uuid\n";
		3704	write_uuid_sync 1;
		3705	warn "emergency_perl_save: end write uuid\n";
2915	};	3706	};
2916		3707
		3708	warn "emergency_perl_save: starting sync()\n";
		3709	IO::AIO::aio_sync sub {
		3710	warn "emergency_perl_save: finished sync()\n";
		3711	};
		3712
2917	warn "leave emergency perl save\n";	3713	warn "emergency_perl_save: leave\n";
2918	}	3714	}
2919		3715
2920	sub post_cleanup {	3716	sub post_cleanup {
2921	my ($make_core) = @_;	3717	my ($make_core) = @_;
2922		3718
2923	warn Carp::longmess "post_cleanup backtrace"	3719	warn Carp::longmess "post_cleanup backtrace"
2924	if $make_core;	3720	if $make_core;
		3721
		3722	my $fh = pidfile;
		3723	unlink $PIDFILE if <$fh> == $$;
		3724	}
		3725
		3726	# a safer delete_package, copied from Symbol
		3727	sub clear_package($) {
		3728	my $pkg = shift;
		3729
		3730	# expand to full symbol table name if needed
		3731	unless ($pkg =~ /^main::.*::$/) {
		3732	$pkg = "main$pkg" if $pkg =~ /^::/;
		3733	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3734	$pkg .= '::' unless $pkg =~ /::$/;
		3735	}
		3736
		3737	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3738	my $stem_symtab = *{$stem}{HASH};
		3739
		3740	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3741	or return;
		3742
		3743	# clear all symbols
		3744	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3745	for my $name (keys %$leaf_symtab) {
		3746	_gv_clear *{"$pkg$name"};
		3747	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3748	}
		3749	warn "cleared package $pkg\n";#d#
2925	}	3750	}
2926		3751
2927	sub do_reload_perl() {	3752	sub do_reload_perl() {
2928	# can/must only be called in main	3753	# can/must only be called in main
2929	if ($Coro::current != $Coro::main) {	3754	if ($Coro::current != $Coro::main) {
2930	warn "can only reload from main coroutine";	3755	warn "can only reload from main coroutine";
2931	return;	3756	return;
2932	}	3757	}
2933		3758
		3759	return if $RELOAD++;
		3760
		3761	my $t1 = EV::time;
		3762
		3763	while ($RELOAD) {
2934	warn "reloading...";	3764	warn "reloading...";
2935		3765
2936	warn "entering sync_job";	3766	warn "entering sync_job";
2937		3767
2938	cf::sync_job {	3768	cf::sync_job {
2939	cf::write_runtime; # external watchdog should not bark	3769	cf::write_runtime_sync; # external watchdog should not bark
2940	cf::emergency_save;	3770	cf::emergency_save;
2941	cf::write_runtime; # external watchdog should not bark	3771	cf::write_runtime_sync; # external watchdog should not bark
2942		3772
2943	warn "syncing database to disk";	3773	warn "syncing database to disk";
2944	BDB::db_env_txn_checkpoint $DB_ENV;	3774	BDB::db_env_txn_checkpoint $DB_ENV;
2945		3775
2946	# if anything goes wrong in here, we should simply crash as we already saved	3776	# if anything goes wrong in here, we should simply crash as we already saved
2947		3777
2948	warn "cancelling all WF_AUTOCANCEL watchers";
2949	for (Event::all_watchers) {
2950	$_->cancel if $_->data & WF_AUTOCANCEL;
2951	}
2952
2953	warn "flushing outstanding aio requests";	3778	warn "flushing outstanding aio requests";
2954	for (;;) {
2955	BDB::flush;
2956	IO::AIO::flush;
2957	Coro::cede;
2958	last unless IO::AIO::nreqs || BDB::nreqs;	3779	while (IO::AIO::nreqs || BDB::nreqs) {
2959	warn "iterate...";	3780	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2960	}
2961
2962	++$RELOAD;
2963
2964	warn "cancelling all extension coros";
2965	$_->cancel for values %EXT_CORO;
2966	%EXT_CORO = ();
2967
2968	warn "removing commands";
2969	%COMMAND = ();
2970
2971	warn "removing ext/exti commands";
2972	%EXTCMD = ();
2973	%EXTICMD = ();
2974
2975	warn "unloading/nuking all extensions";
2976	for my $pkg (@EXTS) {
2977	warn "... unloading $pkg";
2978
2979	if (my $cb = $pkg->can ("unload")) {
2980	eval {
2981	$cb->($pkg);
2982	1
2983	} or warn "$pkg unloaded, but with errors: $@";
2984	}	3781	}
2985		3782
2986	warn "... nuking $pkg";	3783	warn "cancelling all extension coros";
2987	Symbol::delete_package $pkg;	3784	$_->cancel for values %EXT_CORO;
2988	}	3785	%EXT_CORO = ();
2989		3786
2990	warn "unloading all perl modules loaded from $LIBDIR";	3787	warn "removing commands";
2991	while (my ($k, $v) = each %INC) {	3788	%COMMAND = ();
2992	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2993		3789
		3790	warn "removing ext/exti commands";
		3791	%EXTCMD = ();
		3792	%EXTICMD = ();
		3793
		3794	warn "unloading/nuking all extensions";
		3795	for my $pkg (@EXTS) {
2994	warn "... unloading $k";	3796	warn "... unloading $pkg";
2995	delete $INC{$k};
2996		3797
2997	$k =~ s/\.pm$//;
2998	$k =~ s/\//::/g;
2999
3000	if (my $cb = $k->can ("unload_module")) {	3798	if (my $cb = $pkg->can ("unload")) {
		3799	eval {
3001	$cb->();	3800	$cb->($pkg);
		3801	1
		3802	} or warn "$pkg unloaded, but with errors: $@";
		3803	}
		3804
		3805	warn "... clearing $pkg";
		3806	clear_package $pkg;
3002	}	3807	}
3003		3808
3004	Symbol::delete_package $k;	3809	warn "unloading all perl modules loaded from $LIBDIR";
		3810	while (my ($k, $v) = each %INC) {
		3811	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3812
		3813	warn "... unloading $k";
		3814	delete $INC{$k};
		3815
		3816	$k =~ s/\.pm$//;
		3817	$k =~ s/\//::/g;
		3818
		3819	if (my $cb = $k->can ("unload_module")) {
		3820	$cb->();
		3821	}
		3822
		3823	clear_package $k;
3005	}	3824	}
3006		3825
3007	warn "getting rid of safe::, as good as possible";	3826	warn "getting rid of safe::, as good as possible";
3008	Symbol::delete_package "safe::$_"	3827	clear_package "safe::$_"
3009	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3828	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3010		3829
3011	warn "unloading cf.pm \"a bit\"";	3830	warn "unloading cf.pm \"a bit\"";
3012	delete $INC{"cf.pm"};	3831	delete $INC{"cf.pm"};
3013	delete $INC{"cf/pod.pm"};	3832	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3014		3833
3015	# don't, removes xs symbols, too,	3834	# don't, removes xs symbols, too,
3016	# and global variables created in xs	3835	# and global variables created in xs
3017	#Symbol::delete_package __PACKAGE__;	3836	#clear_package __PACKAGE__;
3018		3837
3019	warn "unload completed, starting to reload now";	3838	warn "unload completed, starting to reload now";
3020		3839
3021	warn "reloading cf.pm";	3840	warn "reloading cf.pm";
3022	require cf;	3841	require cf;
3023	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3842	cf::_connect_to_perl_1;
3024		3843
3025	warn "loading config and database again";	3844	warn "loading config and database again";
3026	cf::cfg_load;	3845	cf::reload_config;
3027		3846
3028	warn "loading extensions";	3847	warn "loading extensions";
3029	cf::load_extensions;	3848	cf::load_extensions;
3030		3849
		3850	if ($REATTACH_ON_RELOAD) {
3031	warn "reattaching attachments to objects/players";	3851	warn "reattaching attachments to objects/players";
3032	_global_reattach; # objects, sockets	3852	_global_reattach; # objects, sockets
3033	warn "reattaching attachments to maps";	3853	warn "reattaching attachments to maps";
3034	reattach $_ for values %MAP;	3854	reattach $_ for values %MAP;
3035	warn "reattaching attachments to players";	3855	warn "reattaching attachments to players";
3036	reattach $_ for values %PLAYER;	3856	reattach $_ for values %PLAYER;
		3857	}
3037		3858
		3859	warn "running post_init jobs";
		3860	(pop @POST_INIT)->(1) while @POST_INIT;
		3861
3038	warn "leaving sync_job";	3862	warn "leaving sync_job";
3039		3863
3040	1	3864	1
3041	} or do {	3865	} or do {
3042	warn $@;	3866	warn $@;
3043	warn "error while reloading, exiting.";	3867	cf::cleanup "error while reloading, exiting.";
3044	exit 1;
3045	};	3868	};
3046		3869
3047	warn "reloaded";	3870	warn "reloaded";
		3871	--$RELOAD;
		3872	}
		3873
		3874	$t1 = EV::time - $t1;
		3875	warn "reload completed in ${t1}s\n";
3048	};	3876	};
3049		3877
3050	our $RELOAD_WATCHER; # used only during reload	3878	our $RELOAD_WATCHER; # used only during reload
3051		3879
3052	sub reload_perl() {	3880	sub reload_perl() {
3053	# doing reload synchronously and two reloads happen back-to-back,	3881	# doing reload synchronously and two reloads happen back-to-back,
3054	# coro crashes during coro_state_free->destroy here.	3882	# coro crashes during coro_state_free->destroy here.
3055		3883
3056	$RELOAD_WATCHER ||= Event->timer (	3884	$RELOAD_WATCHER ||= cf::async {
3057	reentrant => 0,	3885	Coro::AIO::aio_wait cache_extensions;
3058	after => 0,	3886
3059	data => WF_AUTOCANCEL,	3887	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3060	cb => sub {
3061	do_reload_perl;	3888	do_reload_perl;
3062	undef $RELOAD_WATCHER;	3889	undef $RELOAD_WATCHER;
3063	},	3890	};
3064	);	3891	};
3065	}	3892	}
3066		3893
3067	register_command "reload" => sub {	3894	register_command "reload" => sub {
3068	my ($who, $arg) = @_;	3895	my ($who, $arg) = @_;
3069		3896
3070	if ($who->flag (FLAG_WIZ)) {	3897	if ($who->flag (FLAG_WIZ)) {
3071	$who->message ("reloading server.");	3898	$who->message ("reloading server.");
		3899	async {
		3900	$Coro::current->{desc} = "perl_reload";
3072	async { reload_perl };	3901	reload_perl;
		3902	};
3073	}	3903	}
3074	};	3904	};
3075		3905
3076	unshift @INC, $LIBDIR;	3906	unshift @INC, $LIBDIR;
3077		3907
…		…
3079		3909
3080	our @WAIT_FOR_TICK;	3910	our @WAIT_FOR_TICK;
3081	our @WAIT_FOR_TICK_BEGIN;	3911	our @WAIT_FOR_TICK_BEGIN;
3082		3912
3083	sub wait_for_tick {	3913	sub wait_for_tick {
3084	return unless $TICK_WATCHER->is_active;
3085	return if $Coro::current == $Coro::main;	3914	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3086		3915
3087	my $signal = new Coro::Signal;	3916	my $signal = new Coro::Signal;
3088	push @WAIT_FOR_TICK, $signal;	3917	push @WAIT_FOR_TICK, $signal;
3089	$signal->wait;	3918	$signal->wait;
3090	}	3919	}
3091		3920
3092	sub wait_for_tick_begin {	3921	sub wait_for_tick_begin {
3093	return unless $TICK_WATCHER->is_active;
3094	return if $Coro::current == $Coro::main;	3922	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3095		3923
3096	my $signal = new Coro::Signal;	3924	my $signal = new Coro::Signal;
3097	push @WAIT_FOR_TICK_BEGIN, $signal;	3925	push @WAIT_FOR_TICK_BEGIN, $signal;
3098	$signal->wait;	3926	$signal->wait;
3099	}	3927	}
3100		3928
3101	my $min = 1e6;#d#	3929	sub tick {
3102	my $avg = 10;
3103	$TICK_WATCHER = Event->timer (
3104	reentrant => 0,
3105	parked => 1,
3106	prio => 0,
3107	at => $NEXT_TICK || $TICK,
3108	data => WF_AUTOCANCEL,
3109	cb => sub {
3110	if ($Coro::current != $Coro::main) {	3930	if ($Coro::current != $Coro::main) {
3111	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3931	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3112	unless ++$bug_warning > 10;	3932	unless ++$bug_warning > 10;
3113	return;	3933	return;
3114	}	3934	}
3115		3935
3116	$NOW = $tick_start = Event::time;
3117
3118	cf::server_tick; # one server iteration	3936	cf::server_tick; # one server iteration
3119		3937
3120	0 && sync_job {#d#	3938	#for(1..3e6){} EV::now_update; $NOW=EV::now; # generate load #d#
3121	for(1..10) {
3122	my $t = Event::time;
3123	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3124	or die;
3125		3939
3126	$map->width (50);	3940	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3127	$map->height (50);	3941	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3128	$map->alloc;	3942	Coro::async_pool {
3129	$map->_load_objects ("/tmp/x.map", 1);	3943	$Coro::current->{desc} = "runtime saver";
3130	my $t = Event::time - $t;	3944	write_runtime_sync
3131		3945	or warn "ERROR: unable to write runtime file: $!";
3132	#next unless $t < 0.0013;#d#
3133	if ($t < $min) {
3134	$min = $t;
3135	}
3136	$avg = $avg * 0.99 + $t * 0.01;
3137	}
3138	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3139	exit 0;
3140	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3141	};	3946	};
		3947	}
3142		3948
3143	$RUNTIME += $TICK;
3144	$NEXT_TICK += $TICK;
3145
3146	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3147	$NEXT_RUNTIME_WRITE = $NOW + 10;
3148	Coro::async_pool {
3149	write_runtime
3150	or warn "ERROR: unable to write runtime file: $!";
3151	};
3152	}
3153
3154	# my $AFTER = Event::time;
3155	# warn $AFTER - $NOW;#d#
3156
3157	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3949	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3158	$sig->send;	3950	$sig->send;
3159	}	3951	}
3160	while (my $sig = shift @WAIT_FOR_TICK) {	3952	while (my $sig = shift @WAIT_FOR_TICK) {
3161	$sig->send;	3953	$sig->send;
3162	}	3954	}
3163		3955
3164	$NOW = Event::time;	3956	$LOAD = ($NOW - $TICK_START) / $TICK;
3165
3166	# if we are delayed by four ticks or more, skip them all
3167	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3168
3169	$TICK_WATCHER->at ($NEXT_TICK);
3170	$TICK_WATCHER->start;
3171
3172	$LOAD = ($NOW - $tick_start) / $TICK;
3173	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3957	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3174		3958
3175	_post_tick;	3959	if (0) {
3176		3960	if ($NEXT_TICK) {
3177		3961	my $jitter = $TICK_START - $NEXT_TICK;
		3962	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3963	warn "jitter $JITTER\n";#d#
		3964	}
3178	},	3965	}
3179	);	3966	}
3180		3967
3181	{	3968	{
3182	BDB::max_poll_time $TICK * 0.1;	3969	# configure BDB
3183	$BDB_POLL_WATCHER = Event->io (	3970
3184	reentrant => 0,
3185	fd => BDB::poll_fileno,
3186	poll => 'r',
3187	prio => 0,
3188	data => WF_AUTOCANCEL,
3189	cb => \&BDB::poll_cb,
3190	);
3191	BDB::min_parallel 8;	3971	BDB::min_parallel 16;
3192		3972	BDB::max_poll_reqs $TICK * 0.1;
3193	BDB::set_sync_prepare {	3973	$AnyEvent::BDB::WATCHER->priority (1);
3194	my $status;
3195	my $current = $Coro::current;
3196	(
3197	sub {
3198	$status = $!;
3199	$current->ready; undef $current;
3200	},
3201	sub {
3202	Coro::schedule while defined $current;
3203	$! = $status;
3204	},
3205	)
3206	};
3207		3974
3208	unless ($DB_ENV) {	3975	unless ($DB_ENV) {
3209	$DB_ENV = BDB::db_env_create;	3976	$DB_ENV = BDB::db_env_create;
		3977	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3978	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3979	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3980	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3981	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3210		3982
3211	cf::sync_job {	3983	cf::sync_job {
3212	eval {	3984	eval {
3213	BDB::db_env_open	3985	BDB::db_env_open
3214	$DB_ENV,	3986	$DB_ENV,
…		…
3216	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3988	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3217	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3989	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3218	0666;	3990	0666;
3219		3991
3220	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3992	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3221
3222	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3223	$DB_ENV->set_lk_detect;
3224	};	3993	};
3225		3994
3226	cf::cleanup "db_env_open(db): $@" if $@;	3995	cf::cleanup "db_env_open(db): $@" if $@;
3227	};	3996	};
3228	}	3997	}
		3998
		3999	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4000	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4001	};
		4002	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4003	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4004	};
		4005	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4006	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4007	};
3229	}	4008	}
3230		4009
3231	{	4010	{
		4011	# configure IO::AIO
		4012
3232	IO::AIO::min_parallel 8;	4013	IO::AIO::min_parallel 8;
3233
3234	undef $Coro::AIO::WATCHER;
3235	IO::AIO::max_poll_time $TICK * 0.1;	4014	IO::AIO::max_poll_time $TICK * 0.1;
3236	$AIO_POLL_WATCHER = Event->io (	4015	undef $AnyEvent::AIO::WATCHER;
3237	reentrant => 0,
3238	data => WF_AUTOCANCEL,
3239	fd => IO::AIO::poll_fileno,
3240	poll => 'r',
3241	prio => 6,
3242	cb => \&IO::AIO::poll_cb,
3243	);
3244	}	4016	}
3245		4017
3246	my $_log_backtrace;	4018	my $_log_backtrace;
3247		4019
3248	sub _log_backtrace {	4020	sub _log_backtrace {
…		…
3251	$msg =~ s/\n//;	4023	$msg =~ s/\n//;
3252		4024
3253	# limit the # of concurrent backtraces	4025	# limit the # of concurrent backtraces
3254	if ($_log_backtrace < 2) {	4026	if ($_log_backtrace < 2) {
3255	++$_log_backtrace;	4027	++$_log_backtrace;
		4028	my $perl_bt = Carp::longmess $msg;
3256	async {	4029	async {
		4030	$Coro::current->{desc} = "abt $msg";
		4031
3257	my @bt = fork_call {	4032	my @bt = fork_call {
3258	@addr = map { sprintf "%x", $_ } @addr;	4033	@addr = map { sprintf "%x", $_ } @addr;
3259	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4034	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3260	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4035	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3261	or die "addr2line: $!";	4036	or die "addr2line: $!";
…		…
3269	}	4044	}
3270		4045
3271	@funcs	4046	@funcs
3272	};	4047	};
3273		4048
3274	LOG llevInfo, "[ABT] $msg\n";	4049	LOG llevInfo, "[ABT] $perl_bt\n";
		4050	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3275	LOG llevInfo, "[ABT] $_\n" for @bt;	4051	LOG llevInfo, "[ABT] $_\n" for @bt;
3276	--$_log_backtrace;	4052	--$_log_backtrace;
3277	};	4053	};
3278	} else {	4054	} else {
3279	LOG llevInfo, "[ABT] $msg\n";	4055	LOG llevInfo, "[ABT] $msg\n";
3280	LOG llevInfo, "[ABT] [suppressed]\n";	4056	LOG llevInfo, "[ABT] [suppressed]\n";
3281	}	4057	}
3282	}	4058	}
3283		4059
3284	# load additional modules	4060	# load additional modules
3285	use cf::pod;	4061	require "cf/$_.pm" for @EXTRA_MODULES;
		4062	cf::_connect_to_perl_2;
3286		4063
3287	END { cf::emergency_save }	4064	END { cf::emergency_save }
3288		4065
3289	1	4066	1
3290		4067

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