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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.293 by root, Tue Jul 3 05:14:15 2007 UTC vs.
Revision 1.511 by root, Wed Apr 7 18:35:56 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Socket;	31	use Socket;
9	use Storable;	32	use EV;
10	use Event;
11	use Opcode;	33	use Opcode;
12	use Safe;	34	use Safe;
13	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
14		38
		39	use Guard ();
15	use Coro 3.61 ();	40	use Coro ();
16	use Coro::State;	41	use Coro::State;
17	use Coro::Handle;	42	use Coro::Handle;
		43	use Coro::EV;
18	use Coro::Event;	44	use Coro::AnyEvent;
19	use Coro::Timer;	45	use Coro::Timer;
20	use Coro::Signal;	46	use Coro::Signal;
21	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
22	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
23	use Coro::Storable;	52	use Coro::Storable;
		53	use Coro::Util ();
24		54
25	use JSON::XS 1.4 ();	55	use JSON::XS 2.01 ();
26	use BDB ();	56	use BDB ();
27	use Data::Dumper;	57	use Data::Dumper;
28	use Digest::MD5;
29	use Fcntl;	58	use Fcntl;
30	use YAML::Syck ();	59	use YAML::XS ();
31	use IO::AIO 2.32 ();	60	use IO::AIO ();
32	use Time::HiRes;	61	use Time::HiRes;
33	use Compress::LZF;	62	use Compress::LZF;
		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	$res = Coro::Storable::thaw $res;
427
428	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
429
430	die $$res unless "ARRAY" eq ref $res;
431
432	return wantarray ? @$res : $res->[-1];
433	} else {
434	reset_signals;	584	reset_signals;
435	local $SIG{__WARN__};	585	&$cb
436	local $SIG{__DIE__};	586	}, @args;
437	eval {
438	close $fh1;
439		587
440	my @res = eval { $cb->(@args) };	588	wantarray ? @res : $res[-1]
441	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);	589	}
442	};
443		590
444	warn $@ if $@;	591	=item $coin = coin_from_name $name
445	_exit 0;	592
446	}	593	=cut
		594
		595	our %coin_alias = (
		596	"silver" => "silvercoin",
		597	"silvercoin" => "silvercoin",
		598	"silvercoins" => "silvercoin",
		599	"gold" => "goldcoin",
		600	"goldcoin" => "goldcoin",
		601	"goldcoins" => "goldcoin",
		602	"platinum" => "platinacoin",
		603	"platinumcoin" => "platinacoin",
		604	"platinumcoins" => "platinacoin",
		605	"platina" => "platinacoin",
		606	"platinacoin" => "platinacoin",
		607	"platinacoins" => "platinacoin",
		608	"royalty" => "royalty",
		609	"royalties" => "royalty",
		610	);
		611
		612	sub coin_from_name($) {
		613	$coin_alias{$_[0]}
		614	? cf::arch::find $coin_alias{$_[0]}
		615	: undef
447	}	616	}
448		617
449	=item $value = cf::db_get $family => $key	618	=item $value = cf::db_get $family => $key
450		619
451	Returns a single value from the environment database.	620	Returns a single value from the environment database.
…		…
453	=item cf::db_put $family => $key => $value	622	=item cf::db_put $family => $key => $value
454		623
455	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
456	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).
457		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
458	=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	}
459		650
460	our $DB;	651	our $DB;
461		652
462	sub db_init {	653	sub db_init {
463	unless ($DB) {
464	$DB = BDB::db_create $DB_ENV;
465
466	cf::sync_job {	654	cf::sync_job {
467	eval {	655	$DB ||= db_table "db";
468	$DB->set_flags (BDB::CHKSUM);
469
470	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
471	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
472	cf::cleanup "db_open(db): $!" if $!;
473	};
474	cf::cleanup "db_open(db): $@" if $@;
475	};
476	}	656	};
477	}	657	}
478		658
479	sub db_get($$) {	659	sub db_get($$) {
480	my $key = "$_[0]/$_[1]";	660	my $key = "$_[0]/$_[1]";
481		661
…		…
531	if (1) {	711	if (1) {
532	$md5 =	712	$md5 =
533	join "\x00",	713	join "\x00",
534	$processversion,	714	$processversion,
535	map {	715	map {
536	Coro::cede;	716	cf::cede_to_tick;
537	($src->[$_], Digest::MD5::md5_hex $data[$_])	717	($src->[$_], Digest::MD5::md5_hex $data[$_])
538	} 0.. $#$src;	718	} 0.. $#$src;
539		719
540		720
541	my $dbmd5 = db_get cache => "$id/md5";	721	my $dbmd5 = db_get cache => "$id/md5";
…		…
579		759
580	#############################################################################	760	#############################################################################
581		761
582	=head2 ATTACHABLE OBJECTS	762	=head2 ATTACHABLE OBJECTS
583		763
584	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
585	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")
586	to it. All such attachable objects support the following methods.	766	to it. All such attachable objects support the following methods.
587		767
588	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>
589	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
590	Crossfire TRT).	770	Deliantra).
591		771
592	=over 4	772	=over 4
593		773
594	=item $attachable->attach ($attachment, key => $value...)	774	=item $attachable->attach ($attachment, key => $value...)
595		775
…		…
639	=item cf::CLASS::attachment $name, ...	819	=item cf::CLASS::attachment $name, ...
640		820
641	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
642	given CLASS can refer to this attachment.	822	given CLASS can refer to this attachment.
643		823
644	Some classes such as crossfire maps and objects can specify attachments	824	Some classes such as deliantra maps and objects can specify attachments
645	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.
646		826
647	These calls expect any number of the following handler/hook descriptions:	827	These calls expect any number of the following handler/hook descriptions:
648		828
649	=over 4	829	=over 4
…		…
847	";	1027	";
848	die if $@;	1028	die if $@;
849	}	1029	}
850		1030
851	our $override;	1031	our $override;
852	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?
853		1033
854	sub override {	1034	sub override {
855	$override = 1;	1035	$override = 1;
856	@invoke_results = ();	1036	@INVOKE_RESULTS = (@_);
857	}	1037	}
858		1038
859	sub do_invoke {	1039	sub do_invoke {
860	my $event = shift;	1040	my $event = shift;
861	my $callbacks = shift;	1041	my $callbacks = shift;
862		1042
863	@invoke_results = ();	1043	@INVOKE_RESULTS = ();
864		1044
865	local $override;	1045	local $override;
866		1046
867	for (@$callbacks) {	1047	for (@$callbacks) {
868	eval { &{$_->[1]} };	1048	eval { &{$_->[1]} };
…		…
877	}	1057	}
878		1058
879	0	1059	0
880	}	1060	}
881		1061
882	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1062	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
883		1063
884	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1064	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
885		1065
886	Generate an object-specific event with the given arguments.	1066	Generate an object-specific event with the given arguments.
887		1067
888	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
889	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
890	results (if you must, access C<@cf::invoke_results> directly).	1070	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
891		1071
892	=back	1072	=back
893		1073
894	=cut	1074	=cut
895		1075
896	#############################################################################	1076	#############################################################################
897	# 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	}
898		1120
899	sub reattach {	1121	sub reattach {
900	# basically do the same as instantiate, without calling instantiate	1122	# basically do the same as instantiate, without calling instantiate
901	my ($obj) = @_;	1123	my ($obj) = @_;
902		1124
		1125	# no longer needed after getting rid of delete_package?
903	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
904		1127
905	my $registry = $obj->registry;	1128	my $registry = $obj->registry;
906		1129
907	@$registry = ();	1130	@$registry = ();
908		1131
…		…
923	cf::attachable->attach (	1146	cf::attachable->attach (
924	prio => -1000000,	1147	prio => -1000000,
925	on_instantiate => sub {	1148	on_instantiate => sub {
926	my ($obj, $data) = @_;	1149	my ($obj, $data) = @_;
927		1150
928	$data = from_json $data;	1151	$data = decode_json $data;
929		1152
930	for (@$data) {	1153	for (@$data) {
931	my ($name, $args) = @$_;	1154	my ($name, $args) = @$_;
932		1155
933	$obj->attach ($name, %{$args || {} });	1156	$obj->attach ($name, %{$args || {} });
…		…
949	sub object_freezer_save {	1172	sub object_freezer_save {
950	my ($filename, $rdata, $objs) = @_;	1173	my ($filename, $rdata, $objs) = @_;
951		1174
952	sync_job {	1175	sync_job {
953	if (length $$rdata) {	1176	if (length $$rdata) {
		1177	utf8::decode (my $decname = $filename);
954	warn sprintf "saving %s (%d,%d)\n",	1178	warn sprintf "saving %s (%d,%d)\n",
955	$filename, length $$rdata, scalar @$objs;	1179	$decname, length $$rdata, scalar @$objs;
956		1180
957	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1181	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
958	chmod SAVE_MODE, $fh;	1182	aio_chmod $fh, SAVE_MODE;
959	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1183	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
960	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	}
961	close $fh;	1188	aio_close $fh;
962		1189
963	if (@$objs) {	1190	if (@$objs) {
964	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) {
965	chmod SAVE_MODE, $fh;	1192	aio_chmod $fh, SAVE_MODE;
966	my $data = Storable::nfreeze { version => 1, objs => $objs };	1193	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
967	aio_write $fh, 0, (length $data), $data, 0;	1194	aio_write $fh, 0, (length $data), $data, 0;
968	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	}
969	close $fh;	1199	aio_close $fh;
970	aio_rename "$filename.pst~", "$filename.pst";	1200	aio_rename "$filename.pst~", "$filename.pst";
971	}	1201	}
972	} else {	1202	} else {
973	aio_unlink "$filename.pst";	1203	aio_unlink "$filename.pst";
974	}	1204	}
975		1205
976	aio_rename "$filename~", $filename;	1206	aio_rename "$filename~", $filename;
		1207
		1208	$filename =~ s%/[^/]+$%%;
		1209	aio_pathsync $filename if $cf::USE_FSYNC;
977	} else {	1210	} else {
978	warn "FATAL: $filename~: $!\n";	1211	warn "unable to save objects: $filename~: $!\n";
979	}	1212	}
980	} else {	1213	} else {
981	aio_unlink $filename;	1214	aio_unlink $filename;
982	aio_unlink "$filename.pst";	1215	aio_unlink "$filename.pst";
983	}	1216	}
984	}	1217	};
985	}	1218	}
986		1219
987	sub object_freezer_as_string {	1220	sub object_freezer_as_string {
988	my ($rdata, $objs) = @_;	1221	my ($rdata, $objs) = @_;
989		1222
…		…
1001	or return;	1234	or return;
1002		1235
1003	unless (aio_stat "$filename.pst") {	1236	unless (aio_stat "$filename.pst") {
1004	(aio_load "$filename.pst", $av) >= 0	1237	(aio_load "$filename.pst", $av) >= 0
1005	or return;	1238	or return;
		1239
1006	$av = eval { (Storable::thaw $av)->{objs} };	1240	my $st = eval { Coro::Storable::thaw $av };
		1241	$av = $st->{objs};
1007	}	1242	}
1008		1243
		1244	utf8::decode (my $decname = $filename);
1009	warn sprintf "loading %s (%d)\n",	1245	warn sprintf "loading %s (%d,%d)\n",
1010	$filename, length $data, scalar @{$av || []};	1246	$decname, length $data, scalar @{$av || []};
		1247
1011	return ($data, $av);	1248	($data, $av)
1012	}	1249	}
1013		1250
1014	=head2 COMMAND CALLBACKS	1251	=head2 COMMAND CALLBACKS
1015		1252
1016	=over 4	1253	=over 4
…		…
1070	my ($name, $cb) = @_;	1307	my ($name, $cb) = @_;
1071		1308
1072	$EXTICMD{$name} = $cb;	1309	$EXTICMD{$name} = $cb;
1073	}	1310	}
1074		1311
		1312	use File::Glob ();
		1313
1075	cf::player->attach (	1314	cf::player->attach (
1076	on_command => sub {	1315	on_unknown_command => sub {
1077	my ($pl, $name, $params) = @_;	1316	my ($pl, $name, $params) = @_;
1078		1317
1079	my $cb = $COMMAND{$name}	1318	my $cb = $COMMAND{$name}
1080	or return;	1319	or return;
1081		1320
…		…
1089	my ($pl, $buf) = @_;	1328	my ($pl, $buf) = @_;
1090		1329
1091	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1330	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1092		1331
1093	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
1094	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1340	if (my $cb = $EXTCMD{$type}) {
1095	if (my %reply = $cb->($pl, $msg)) {	1341	@reply = $cb->($pl, @payload);
1096	$pl->ext_reply ($msg->{msgid}, %reply);
1097	}
1098	}	1342	}
		1343
		1344	$pl->ext_reply ($reply, @reply)
		1345	if $reply;
		1346
1099	} else {	1347	} else {
1100	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1348	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1101	}	1349	}
1102		1350
1103	cf::override;	1351	cf::override;
1104	},	1352	},
1105	);	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	}
1106		1367
1107	sub load_extensions {	1368	sub load_extensions {
1108	cf::sync_job {	1369	cf::sync_job {
1109	my %todo;	1370	my %todo;
1110		1371
…		…
1130		1391
1131	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1392	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1132	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1393	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1133		1394
1134	$ext{source} =	1395	$ext{source} =
1135	"package $pkg; use strict; use utf8;\n"	1396	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1136	. "#line 1 \"$path\"\n{\n"	1397	. "#line 1 \"$path\"\n{\n"
1137	. $source	1398	. $source
1138	. "\n};\n1";	1399	. "\n};\n1";
1139		1400
1140	$todo{$base} = \%ext;	1401	$todo{$base} = \%ext;
1141	}	1402	}
1142		1403
		1404	my $pass = 0;
1143	my %done;	1405	my %done;
1144	while (%todo) {	1406	while (%todo) {
1145	my $progress;	1407	my $progress;
1146		1408
		1409	++$pass;
		1410
		1411	ext:
1147	while (my ($k, $v) = each %todo) {	1412	while (my ($k, $v) = each %todo) {
1148	for (split /,\s*/, $v->{meta}{depends}) {	1413	for (split /,\s*/, $v->{meta}{depends}) {
1149	goto skip	1414	next ext
1150	unless exists $done{$_};	1415	unless exists $done{$_};
1151	}	1416	}
1152		1417
1153	warn "... loading '$k' into '$v->{pkg}'\n";	1418	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1154		1419
1155	unless (eval $v->{source}) {	1420	my $active = eval $v->{source};
		1421
		1422	if (length $@) {
1156	my $msg = $@ ? "$v->{path}: $@\n"	1423	warn "$v->{path}: $@\n";
1157	: "$v->{base}: extension inactive.\n";
1158		1424
		1425	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1159	if (exists $v->{meta}{mandatory}) {	1426	if exists $v->{meta}{mandatory};
1160	warn $msg;	1427	} else {
1161	warn "mandatory extension failed to load, exiting.\n";	1428	$done{$k} = delete $todo{$k};
1162	exit 1;	1429	push @EXTS, $v->{pkg};
1163	}	1430	$progress = 1;
1164		1431
1165	warn $msg;	1432	warn "$v->{base}: extension inactive.\n"
		1433	unless $active;
1166	}	1434	}
1167
1168	$done{$k} = delete $todo{$k};
1169	push @EXTS, $v->{pkg};
1170	$progress = 1;
1171	}	1435	}
1172		1436
1173	skip:	1437	unless ($progress) {
1174	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1438	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1175	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	}
1176	}	1445	}
1177	};	1446	};
1178	}	1447	}
1179		1448
1180	#############################################################################	1449	#############################################################################
1181		1450
1182	=back	1451	=back
1183		1452
1184	=head2 CORE EXTENSIONS	1453	=head2 CORE EXTENSIONS
1185		1454
1186	Functions and methods that extend core crossfire objects.	1455	Functions and methods that extend core deliantra objects.
1187		1456
1188	=cut	1457	=cut
1189		1458
1190	package cf::player;	1459	package cf::player;
1191		1460
1192	use Coro::AIO;	1461	use Coro::AIO;
1193		1462
1194	=head3 cf::player	1463	=head3 cf::player
1195		1464
1196	=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	}
1197		1480
1198	=item cf::player::find $login	1481	=item cf::player::find $login
1199		1482
1200	Returns the given player object, loading it if necessary (might block).	1483	Returns the given player object, loading it if necessary (might block).
1201		1484
…		…
1220		1503
1221	sub exists($) {	1504	sub exists($) {
1222	my ($login) = @_;	1505	my ($login) = @_;
1223		1506
1224	$cf::PLAYER{$login}	1507	$cf::PLAYER{$login}
1225	or cf::sync_job { !aio_stat path $login }	1508	or !aio_stat path $login
1226	}	1509	}
1227		1510
1228	sub find($) {	1511	sub find($) {
1229	return $cf::PLAYER{$_[0]} || do {	1512	return $cf::PLAYER{$_[0]} || do {
1230	my $login = $_[0];	1513	my $login = $_[0];
…		…
1237	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1520	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1238	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1521	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1239	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1522	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1240	aio_unlink +(playerdir $login) . "/$login.pl";	1523	aio_unlink +(playerdir $login) . "/$login.pl";
1241		1524
1242	my $pl = load_pl path $login	1525	my $f = new_from_file cf::object::thawer path $login
1243	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;
1244	$cf::PLAYER{$login} = $pl	1533	$cf::PLAYER{$login} = $pl
1245	}	1534	}
1246	}	1535	}
1247	}	1536	}
		1537
		1538	cf::player->attach (
		1539	on_load => sub {
		1540	my ($pl, $path) = @_;
		1541
		1542	# restore slots saved in save, below
		1543	my $slots = delete $pl->{_slots};
		1544
		1545	$pl->ob->current_weapon ($slots->[0]);
		1546	$pl->combat_ob ($slots->[1]);
		1547	$pl->ranged_ob ($slots->[2]);
		1548	},
		1549	);
1248		1550
1249	sub save($) {	1551	sub save($) {
1250	my ($pl) = @_;	1552	my ($pl) = @_;
1251		1553
1252	return if $pl->{deny_save};	1554	return if $pl->{deny_save};
…		…
1257	return if $pl->{deny_save};	1559	return if $pl->{deny_save};
1258		1560
1259	aio_mkdir playerdir $pl, 0770;	1561	aio_mkdir playerdir $pl, 0770;
1260	$pl->{last_save} = $cf::RUNTIME;	1562	$pl->{last_save} = $cf::RUNTIME;
1261		1563
		1564	cf::get_slot 0.01;
		1565
		1566	# save slots, to be restored later
		1567	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1568
1262	$pl->save_pl ($path);	1569	$pl->save_pl ($path);
1263	Coro::cede;	1570	cf::cede_to_tick;
1264	}	1571	}
1265		1572
1266	sub new($) {	1573	sub new($) {
1267	my ($login) = @_;	1574	my ($login) = @_;
1268		1575
…		…
1274	$cf::PLAYER{$login} = $self;	1581	$cf::PLAYER{$login} = $self;
1275		1582
1276	$self	1583	$self
1277	}	1584	}
1278		1585
		1586	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1587
		1588	=cut
		1589
		1590	sub send_msg {
		1591	my $ns = shift->ns
		1592	or return;
		1593	$ns->send_msg (@_);
		1594	}
		1595
1279	=item $pl->quit_character	1596	=item $pl->quit_character
1280		1597
1281	Nukes the player without looking back. If logged in, the connection will	1598	Nukes the player without looking back. If logged in, the connection will
1282	be destroyed. May block for a long time.	1599	be destroyed. May block for a long time.
1283		1600
…		…
1287	my ($pl) = @_;	1604	my ($pl) = @_;
1288		1605
1289	my $name = $pl->ob->name;	1606	my $name = $pl->ob->name;
1290		1607
1291	$pl->{deny_save} = 1;	1608	$pl->{deny_save} = 1;
1292	$pl->password ("*"); # this should lock out the player until we nuked the dir	1609	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1293		1610
1294	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1611	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1295	$pl->deactivate;	1612	$pl->deactivate;
		1613	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1614	$pl->ob->check_score;
1296	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1615	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1297	$pl->ns->destroy if $pl->ns;	1616	$pl->ns->destroy if $pl->ns;
1298		1617
1299	my $path = playerdir $pl;	1618	my $path = playerdir $pl;
1300	my $temp = "$path~$cf::RUNTIME~deleting~";	1619	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1336	or return [];	1655	or return [];
1337		1656
1338	my @logins;	1657	my @logins;
1339		1658
1340	for my $login (@$dirs) {	1659	for my $login (@$dirs) {
		1660	my $path = path $login;
		1661
		1662	# a .pst is a dead give-away for a valid player
		1663	# if no pst file found, open and chekc for blocked users
		1664	if (aio_stat "$path.pst") {
1341	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1665	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1342	aio_read $fh, 0, 512, my $buf, 0 or next;	1666	aio_read $fh, 0, 512, my $buf, 0 or next;
1343	$buf !~ /^password -------------$/m or next; # official not-valid tag	1667	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1668	}
1344		1669
1345	utf8::decode $login;	1670	utf8::decode $login;
1346	push @logins, $login;	1671	push @logins, $login;
1347	}	1672	}
1348		1673
…		…
1375	}	1700	}
1376		1701
1377	\@paths	1702	\@paths
1378	}	1703	}
1379		1704
1380	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1705	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1381		1706
1382	Expand crossfire pod fragments into protocol xml.	1707	Expand deliantra pod fragments into protocol xml.
1383		1708
1384	=cut
1385
1386	sub expand_cfpod {
1387	((my $self), (local $_)) = @_;
1388
1389	# escape & and <
1390	s/&/&amp;/g;
1391	s/(?<![BIUGH])</&lt;/g;
1392
1393	# this is buggy, it needs to properly take care of nested <'s
1394
1395	1 while
1396	# replace B<>, I<>, U<> etc.
1397	s/B<([^\>]*)>/<b>$1<\/b>/
1398	|| s/I<([^\>]*)>/<i>$1<\/i>/
1399	|| s/U<([^\>]*)>/<u>$1<\/u>/
1400	# replace G<male|female> tags
1401	|| s{G<([^>|]*)\|([^>]*)>}{
1402	$self->gender ? $2 : $1
1403	}ge
1404	# replace H<hint text>
1405	|| s{H<([^\>]*)>}
1406	{
1407	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1408	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1409	"")
1410	[$self->{hintmode}]
1411	}ge;
1412
1413	# create single paragraphs (very hackish)
1414	s/(?<=\S)\n(?=\w)/ /g;
1415
1416	# compress some whitespace
1417	1 while s/\s*\n\s*\n\s*/\n/;
1418
1419	s/^\s+//;
1420	s/\s+$//;
1421
1422	$_
1423	}
1424
1425	sub hintmode {
1426	$_[0]{hintmode} = $_[1] if @_ > 1;
1427	$_[0]{hintmode}
1428	}
1429
1430	=item $player->ext_reply ($msgid, %msg)	1709	=item $player->ext_reply ($msgid, @msg)
1431		1710
1432	Sends an ext reply to the player.	1711	Sends an ext reply to the player.
1433		1712
1434	=cut	1713	=cut
1435		1714
1436	sub ext_reply($$%) {	1715	sub ext_reply($$@) {
1437	my ($self, $id, %msg) = @_;	1716	my ($self, $id, @msg) = @_;
1438		1717
1439	$msg{msgid} = $id;	1718	$self->ns->ext_reply ($id, @msg)
1440	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1441	}	1719	}
1442		1720
1443	=item $player->ext_event ($type, %msg)	1721	=item $player->ext_msg ($type, @msg)
1444		1722
1445	Sends an ext event to the client.	1723	Sends an ext event to the client.
1446		1724
1447	=cut	1725	=cut
1448		1726
1449	sub ext_event($$%) {	1727	sub ext_msg($$@) {
1450	my ($self, $type, %msg) = @_;	1728	my ($self, $type, @msg) = @_;
1451		1729
1452	$self->ns->ext_event ($type, %msg);	1730	$self->ns->ext_msg ($type, @msg);
1453	}	1731	}
1454		1732
1455	=head3 cf::region	1733	=head3 cf::region
1456		1734
1457	=over 4	1735	=over 4
…		…
1470	my ($path) = @_;	1748	my ($path) = @_;
1471		1749
1472	my ($match, $specificity);	1750	my ($match, $specificity);
1473		1751
1474	for my $region (list) {	1752	for my $region (list) {
1475	if ($region->match && $path =~ $region->match) {	1753	if ($region->{match} && $path =~ $region->{match}) {
1476	($match, $specificity) = ($region, $region->specificity)	1754	($match, $specificity) = ($region, $region->specificity)
1477	if $region->specificity > $specificity;	1755	if $region->specificity > $specificity;
1478	}	1756	}
1479	}	1757	}
1480		1758
…		…
1501	our $MAX_RESET = 3600;	1779	our $MAX_RESET = 3600;
1502	our $DEFAULT_RESET = 3000;	1780	our $DEFAULT_RESET = 3000;
1503		1781
1504	sub generate_random_map {	1782	sub generate_random_map {
1505	my ($self, $rmp) = @_;	1783	my ($self, $rmp) = @_;
		1784
		1785	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1786
1506	# mit "rum" bekleckern, nicht	1787	# mit "rum" bekleckern, nicht
1507	$self->_create_random_map (	1788	$self->_create_random_map (
1508	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1789	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1509	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1790	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1510	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1791	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1511	$rmp->{exit_on_final_map},	1792	$rmp->{exit_on_final_map},
1512	$rmp->{xsize}, $rmp->{ysize},	1793	$rmp->{xsize}, $rmp->{ysize},
1513	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1794	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1514	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1795	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1600	$self->init; # pass $1 etc.	1881	$self->init; # pass $1 etc.
1601	return $self;	1882	return $self;
1602	}	1883	}
1603	}	1884	}
1604		1885
1605	Carp::carp "unable to resolve path '$path' (base '$base').";	1886	Carp::cluck "unable to resolve path '$path' (base '$base').";
1606	()	1887	()
1607	}	1888	}
1608		1889
1609	sub init {	1890	sub init {
1610	my ($self) = @_;	1891	my ($self) = @_;
…		…
1632		1913
1633	# the temporary/swap location	1914	# the temporary/swap location
1634	sub save_path {	1915	sub save_path {
1635	my ($self) = @_;	1916	my ($self) = @_;
1636		1917
1637	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1918	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1638	"$TMPDIR/$path.map"	1919	"$TMPDIR/$path.map"
1639	}	1920	}
1640		1921
1641	# the unique path, undef == no special unique path	1922	# the unique path, undef == no special unique path
1642	sub uniq_path {	1923	sub uniq_path {
1643	my ($self) = @_;	1924	my ($self) = @_;
1644		1925
1645	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1926	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1646	"$UNIQUEDIR/$path"	1927	"$UNIQUEDIR/$path"
1647	}
1648
1649	# and all this just because we cannot iterate over
1650	# all maps in C++...
1651	sub change_all_map_light {
1652	my ($change) = @_;
1653
1654	$_->change_map_light ($change)
1655	for grep $_->outdoor, values %cf::MAP;
1656	}	1928	}
1657		1929
1658	sub decay_objects {	1930	sub decay_objects {
1659	my ($self) = @_;	1931	my ($self) = @_;
1660		1932
…		…
1673		1945
1674	sub load_header_from($) {	1946	sub load_header_from($) {
1675	my ($self, $path) = @_;	1947	my ($self, $path) = @_;
1676		1948
1677	utf8::encode $path;	1949	utf8::encode $path;
1678	#aio_open $path, O_RDONLY, 0	1950	my $f = new_from_file cf::object::thawer $path
1679	# or return;
1680
1681	$self->_load_header ($path)
1682	or return;	1951	or return;
		1952
		1953	$self->_load_header ($f)
		1954	or return;
		1955
		1956	local $MAP_LOADING{$self->{path}} = $self;
		1957	$f->resolve_delayed_derefs;
1683		1958
1684	$self->{load_path} = $path;	1959	$self->{load_path} = $path;
1685		1960
1686	1	1961	1
1687	}	1962	}
…		…
1741	sub find {	2016	sub find {
1742	my ($path, $origin) = @_;	2017	my ($path, $origin) = @_;
1743		2018
1744	$path = normalise $path, $origin && $origin->path;	2019	$path = normalise $path, $origin && $origin->path;
1745		2020
		2021	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1746	cf::lock_wait "map_find:$path";	2022	my $guard2 = cf::lock_acquire "map_find:$path";
1747		2023
1748	$cf::MAP{$path} || do {	2024	$cf::MAP{$path} || do {
1749	my $guard = cf::lock_acquire "map_find:$path";
1750	my $map = new_from_path cf::map $path	2025	my $map = new_from_path cf::map $path
1751	or return;	2026	or return;
1752		2027
1753	$map->{last_save} = $cf::RUNTIME;	2028	$map->{last_save} = $cf::RUNTIME;
1754		2029
…		…
1756	or return;	2031	or return;
1757		2032
1758	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2033	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1759	# doing this can freeze the server in a sync job, obviously	2034	# doing this can freeze the server in a sync job, obviously
1760	#$cf::WAIT_FOR_TICK->wait;	2035	#$cf::WAIT_FOR_TICK->wait;
		2036	undef $guard2;
		2037	undef $guard1;
1761	$map->reset;	2038	$map->reset;
1762	undef $guard;
1763	return find $path;	2039	return find $path;
1764	}	2040	}
1765		2041
1766	$cf::MAP{$path} = $map	2042	$cf::MAP{$path} = $map
1767	}	2043	}
1768	}	2044	}
1769		2045
1770	sub pre_load { }	2046	sub pre_load { }
1771	sub post_load { }	2047	#sub post_load { } # XS
1772		2048
1773	sub load {	2049	sub load {
1774	my ($self) = @_;	2050	my ($self) = @_;
1775		2051
1776	local $self->{deny_reset} = 1; # loading can take a long time	2052	local $self->{deny_reset} = 1; # loading can take a long time
1777		2053
1778	my $path = $self->{path};	2054	my $path = $self->{path};
1779		2055
1780	{	2056	{
1781	my $guard = cf::lock_acquire "map_load:$path";	2057	my $guard = cf::lock_acquire "map_data:$path";
1782		2058
		2059	return unless $self->valid;
1783	return if $self->in_memory != cf::MAP_SWAPPED;	2060	return unless $self->in_memory == cf::MAP_SWAPPED;
1784		2061
1785	$self->in_memory (cf::MAP_LOADING);	2062	$self->in_memory (cf::MAP_LOADING);
1786		2063
1787	$self->alloc;	2064	$self->alloc;
1788		2065
1789	$self->pre_load;	2066	$self->pre_load;
1790	Coro::cede;	2067	cf::cede_to_tick;
1791		2068
		2069	my $f = new_from_file cf::object::thawer $self->{load_path};
		2070	$f->skip_block;
1792	$self->_load_objects ($self->{load_path}, 1)	2071	$self->_load_objects ($f)
1793	or return;	2072	or return;
1794		2073
1795	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2074	$self->post_load_original
1796	if delete $self->{load_original};	2075	if delete $self->{load_original};
1797		2076
1798	if (my $uniq = $self->uniq_path) {	2077	if (my $uniq = $self->uniq_path) {
1799	utf8::encode $uniq;	2078	utf8::encode $uniq;
1800	if (aio_open $uniq, O_RDONLY, 0) {	2079	unless (aio_stat $uniq) {
		2080	if (my $f = new_from_file cf::object::thawer $uniq) {
1801	$self->clear_unique_items;	2081	$self->clear_unique_items;
1802	$self->_load_objects ($uniq, 0);	2082	$self->_load_objects ($f);
		2083	$f->resolve_delayed_derefs;
		2084	}
1803	}	2085	}
1804	}	2086	}
1805		2087
1806	Coro::cede;	2088	$f->resolve_delayed_derefs;
		2089
		2090	cf::cede_to_tick;
1807	# now do the right thing for maps	2091	# now do the right thing for maps
1808	$self->link_multipart_objects;	2092	$self->link_multipart_objects;
1809	$self->difficulty ($self->estimate_difficulty)	2093	$self->difficulty ($self->estimate_difficulty)
1810	unless $self->difficulty;	2094	unless $self->difficulty;
1811	Coro::cede;	2095	cf::cede_to_tick;
1812		2096
1813	unless ($self->{deny_activate}) {	2097	unless ($self->{deny_activate}) {
1814	$self->decay_objects;	2098	$self->decay_objects;
1815	$self->fix_auto_apply;	2099	$self->fix_auto_apply;
1816	$self->update_buttons;	2100	$self->update_buttons;
1817	Coro::cede;	2101	cf::cede_to_tick;
1818	$self->set_darkness_map;
1819	Coro::cede;
1820	$self->activate;	2102	$self->activate;
1821	}	2103	}
1822		2104
		2105	$self->{last_save} = $cf::RUNTIME;
		2106	$self->last_access ($cf::RUNTIME);
		2107
1823	$self->in_memory (cf::MAP_IN_MEMORY);	2108	$self->in_memory (cf::MAP_ACTIVE);
1824	}	2109	}
1825		2110
1826	$self->post_load;	2111	$self->post_load;
1827	}	2112	}
1828		2113
		2114	# customize the map for a given player, i.e.
		2115	# return the _real_ map. used by e.g. per-player
		2116	# maps to change the path to ~playername/mappath
1829	sub customise_for {	2117	sub customise_for {
1830	my ($self, $ob) = @_;	2118	my ($self, $ob) = @_;
1831		2119
1832	return find "~" . $ob->name . "/" . $self->{path}	2120	return find "~" . $ob->name . "/" . $self->{path}
1833	if $self->per_player;	2121	if $self->per_player;
…		…
1837		2125
1838	$self	2126	$self
1839	}	2127	}
1840		2128
1841	# find and load all maps in the 3x3 area around a map	2129	# find and load all maps in the 3x3 area around a map
1842	sub load_diag {	2130	sub load_neighbours {
1843	my ($map) = @_;	2131	my ($map) = @_;
1844		2132
1845	my @diag; # diagonal neighbours	2133	my @neigh; # diagonal neighbours
1846		2134
1847	for (0 .. 3) {	2135	for (0 .. 3) {
1848	my $neigh = $map->tile_path ($_)	2136	my $neigh = $map->tile_path ($_)
1849	or next;	2137	or next;
1850	$neigh = find $neigh, $map	2138	$neigh = find $neigh, $map
1851	or next;	2139	or next;
1852	$neigh->load;	2140	$neigh->load;
1853		2141
		2142	push @neigh,
1854	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2143	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1855	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2144	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1856	}	2145	}
1857		2146
1858	for (@diag) {	2147	for (grep defined $_->[0], @neigh) {
		2148	my ($path, $origin) = @$_;
1859	my $neigh = find @$_	2149	my $neigh = find $path, $origin
1860	or next;	2150	or next;
1861	$neigh->load;	2151	$neigh->load;
1862	}	2152	}
1863	}	2153	}
1864		2154
…		…
1869	}	2159	}
1870		2160
1871	sub do_load_sync {	2161	sub do_load_sync {
1872	my ($map) = @_;	2162	my ($map) = @_;
1873		2163
		2164	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2165	if $Coro::current == $Coro::main;
		2166
1874	cf::sync_job { $map->load };	2167	cf::sync_job { $map->load };
1875	}	2168	}
1876		2169
1877	our %MAP_PREFETCH;	2170	our %MAP_PREFETCH;
1878	our $MAP_PREFETCHER = undef;	2171	our $MAP_PREFETCHER = undef;
1879		2172
1880	sub find_async {	2173	sub find_async {
1881	my ($path, $origin) = @_;	2174	my ($path, $origin, $load) = @_;
1882		2175
1883	$path = normalise $path, $origin && $origin->{path};	2176	$path = normalise $path, $origin && $origin->{path};
1884		2177
1885	if (my $map = $cf::MAP{$path}) {	2178	if (my $map = $cf::MAP{$path}) {
1886	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2179	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1887	}	2180	}
1888		2181
1889	undef $MAP_PREFETCH{$path};	2182	$MAP_PREFETCH{$path} |= $load;
		2183
1890	$MAP_PREFETCHER ||= cf::async {	2184	$MAP_PREFETCHER ||= cf::async {
		2185	$Coro::current->{desc} = "map prefetcher";
		2186
1891	while (%MAP_PREFETCH) {	2187	while (%MAP_PREFETCH) {
1892	for my $path (keys %MAP_PREFETCH) {	2188	while (my ($k, $v) = each %MAP_PREFETCH) {
1893	my $map = find $path	2189	if (my $map = find $k) {
1894	or next;
1895	$map->load;	2190	$map->load if $v;
		2191	}
1896		2192
1897	delete $MAP_PREFETCH{$path};	2193	delete $MAP_PREFETCH{$k};
1898	}	2194	}
1899	}	2195	}
1900	undef $MAP_PREFETCHER;	2196	undef $MAP_PREFETCHER;
1901	};	2197	};
1902	$MAP_PREFETCHER->prio (6);	2198	$MAP_PREFETCHER->prio (6);
…		…
1905	}	2201	}
1906		2202
1907	sub save {	2203	sub save {
1908	my ($self) = @_;	2204	my ($self) = @_;
1909		2205
1910	my $lock = cf::lock_acquire "map_data:" . $self->path;	2206	my $lock = cf::lock_acquire "map_data:$self->{path}";
1911		2207
1912	$self->{last_save} = $cf::RUNTIME;	2208	$self->{last_save} = $cf::RUNTIME;
1913		2209
1914	return unless $self->dirty;	2210	return unless $self->dirty;
1915		2211
…		…
1921	return if $self->{deny_save};	2217	return if $self->{deny_save};
1922		2218
1923	local $self->{last_access} = $self->last_access;#d#	2219	local $self->{last_access} = $self->last_access;#d#
1924		2220
1925	cf::async {	2221	cf::async {
		2222	$Coro::current->{desc} = "map player save";
1926	$_->contr->save for $self->players;	2223	$_->contr->save for $self->players;
1927	};	2224	};
		2225
		2226	cf::get_slot 0.02;
1928		2227
1929	if ($uniq) {	2228	if ($uniq) {
1930	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2229	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1931	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2230	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1932	} else {	2231	} else {
…		…
1938	my ($self) = @_;	2237	my ($self) = @_;
1939		2238
1940	# save first because save cedes	2239	# save first because save cedes
1941	$self->save;	2240	$self->save;
1942		2241
1943	my $lock = cf::lock_acquire "map_data:" . $self->path;	2242	my $lock = cf::lock_acquire "map_data:$self->{path}";
1944		2243
1945	return if $self->players;	2244	return if $self->players;
1946	return if $self->in_memory != cf::MAP_IN_MEMORY;	2245	return if $self->in_memory != cf::MAP_ACTIVE;
1947	return if $self->{deny_save};	2246	return if $self->{deny_save};
1948		2247
		2248	$self->in_memory (cf::MAP_SWAPPED);
		2249
		2250	$self->deactivate;
		2251	$_->clear_links_to ($self) for values %cf::MAP;
1949	$self->clear;	2252	$self->clear;
1950	$self->in_memory (cf::MAP_SWAPPED);
1951	}	2253	}
1952		2254
1953	sub reset_at {	2255	sub reset_at {
1954	my ($self) = @_;	2256	my ($self) = @_;
1955		2257
…		…
1973		2275
1974	my $lock = cf::lock_acquire "map_data:$self->{path}";	2276	my $lock = cf::lock_acquire "map_data:$self->{path}";
1975		2277
1976	return if $self->players;	2278	return if $self->players;
1977		2279
1978	warn "resetting map ", $self->path;	2280	warn "resetting map ", $self->path, "\n";
1979		2281
1980	$self->in_memory (cf::MAP_SWAPPED);	2282	$self->in_memory (cf::MAP_SWAPPED);
1981		2283
1982	# need to save uniques path	2284	# need to save uniques path
1983	unless ($self->{deny_save}) {	2285	unless ($self->{deny_save}) {
…		…
1987	if $uniq;	2289	if $uniq;
1988	}	2290	}
1989		2291
1990	delete $cf::MAP{$self->path};	2292	delete $cf::MAP{$self->path};
1991		2293
		2294	$self->deactivate;
		2295	$_->clear_links_to ($self) for values %cf::MAP;
1992	$self->clear;	2296	$self->clear;
1993
1994	$_->clear_links_to ($self) for values %cf::MAP;
1995		2297
1996	$self->unlink_save;	2298	$self->unlink_save;
1997	$self->destroy;	2299	$self->destroy;
1998	}	2300	}
1999		2301
2000	my $nuke_counter = "aaaa";	2302	my $nuke_counter = "aaaa";
2001		2303
2002	sub nuke {	2304	sub nuke {
2003	my ($self) = @_;	2305	my ($self) = @_;
2004		2306
		2307	{
		2308	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2309
2005	delete $cf::MAP{$self->path};	2310	delete $cf::MAP{$self->path};
2006		2311
2007	$self->unlink_save;	2312	$self->unlink_save;
2008		2313
2009	bless $self, "cf::map";	2314	bless $self, "cf::map";
2010	delete $self->{deny_reset};	2315	delete $self->{deny_reset};
2011	$self->{deny_save} = 1;	2316	$self->{deny_save} = 1;
2012	$self->reset_timeout (1);	2317	$self->reset_timeout (1);
2013	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2318	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2014		2319
2015	$cf::MAP{$self->path} = $self;	2320	$cf::MAP{$self->path} = $self;
		2321	}
2016		2322
2017	$self->reset; # polite request, might not happen	2323	$self->reset; # polite request, might not happen
2018	}	2324	}
2019		2325
2020	=item $maps = cf::map::tmp_maps	2326	=item $maps = cf::map::tmp_maps
…		…
2062		2368
2063	sub unique_maps() {	2369	sub unique_maps() {
2064	[	2370	[
2065	map {	2371	map {
2066	utf8::decode $_;	2372	utf8::decode $_;
2067	/\.map$/	2373	s/\.map$//; # TODO future compatibility hack
		2374	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2375	? ()
2068	? normalise $_	2376	: normalise $_
2069	: ()
2070	} @{ aio_readdir $UNIQUEDIR or [] }	2377	} @{ aio_readdir $UNIQUEDIR or [] }
2071	]	2378	]
2072	}	2379	}
2073		2380
2074	package cf;	2381	=item cf::map::static_maps
		2382
		2383	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2384	file in the shared directory excluding F</styles> and F</editor>). May
		2385	block.
		2386
		2387	=cut
		2388
		2389	sub static_maps() {
		2390	my @dirs = "";
		2391	my @maps;
		2392
		2393	while (@dirs) {
		2394	my $dir = shift @dirs;
		2395
		2396	next if $dir eq "/styles" || $dir eq "/editor";
		2397
		2398	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2399	or return;
		2400
		2401	for (@$files) {
		2402	s/\.map$// or next;
		2403	utf8::decode $_;
		2404	push @maps, "$dir/$_";
		2405	}
		2406
		2407	push @dirs, map "$dir/$_", @$dirs;
		2408	}
		2409
		2410	\@maps
		2411	}
2075		2412
2076	=back	2413	=back
2077		2414
2078	=head3 cf::object	2415	=head3 cf::object
2079		2416
…		…
2083		2420
2084	=over 4	2421	=over 4
2085		2422
2086	=item $ob->inv_recursive	2423	=item $ob->inv_recursive
2087		2424
2088	Returns the inventory of the object _and_ their inventories, recursively.	2425	Returns the inventory of the object I<and> their inventories, recursively,
		2426	but I<not> the object itself.
2089		2427
2090	=cut	2428	=cut
2091		2429
2092	sub inv_recursive_;	2430	sub inv_recursive_;
2093	sub inv_recursive_ {	2431	sub inv_recursive_ {
…		…
2096		2434
2097	sub inv_recursive {	2435	sub inv_recursive {
2098	inv_recursive_ inv $_[0]	2436	inv_recursive_ inv $_[0]
2099	}	2437	}
2100		2438
		2439	=item $ref = $ob->ref
		2440
		2441	Creates and returns a persistent reference to an object that can be stored as a string.
		2442
		2443	=item $ob = cf::object::deref ($refstring)
		2444
		2445	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2446	even if the object actually exists. May block.
		2447
		2448	=cut
		2449
		2450	sub deref {
		2451	my ($ref) = @_;
		2452
		2453	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2454	my ($uuid, $name) = ($1, $2);
		2455	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2456	or return;
		2457	$pl->ob->uuid eq $uuid
		2458	or return;
		2459
		2460	$pl->ob
		2461	} else {
		2462	warn "$ref: cannot resolve object reference\n";
		2463	undef
		2464	}
		2465	}
		2466
2101	package cf;	2467	package cf;
2102		2468
2103	=back	2469	=back
2104		2470
2105	=head3 cf::object::player	2471	=head3 cf::object::player
…		…
2111	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2477	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2112	can be C<undef>. Does the right thing when the player is currently in a	2478	can be C<undef>. Does the right thing when the player is currently in a
2113	dialogue with the given NPC character.	2479	dialogue with the given NPC character.
2114		2480
2115	=cut	2481	=cut
		2482
		2483	our $SAY_CHANNEL = {
		2484	id => "say",
		2485	title => "Map",
		2486	reply => "say ",
		2487	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2488	};
		2489
		2490	our $CHAT_CHANNEL = {
		2491	id => "chat",
		2492	title => "Chat",
		2493	reply => "chat ",
		2494	tooltip => "Player chat and shouts, global to the server.",
		2495	};
2116		2496
2117	# rough implementation of a future "reply" method that works	2497	# rough implementation of a future "reply" method that works
2118	# with dialog boxes.	2498	# with dialog boxes.
2119	#TODO: the first argument must go, split into a $npc->reply_to ( method	2499	#TODO: the first argument must go, split into a $npc->reply_to ( method
2120	sub cf::object::player::reply($$$;$) {	2500	sub cf::object::player::reply($$$;$) {
…		…
2127		2507
2128	} else {	2508	} else {
2129	my $pl = $self->contr;	2509	my $pl = $self->contr;
2130		2510
2131	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2511	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2132	my $diag = $pl->{npc_dialog};	2512	my $dialog = $pl->{npc_dialog};
2133	$diag->{pl}->ext_reply (	2513	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2134	$diag->{id},
2135	msgtype => "reply",
2136	msg => $diag->{pl}->expand_cfpod ($msg),
2137	add_topics => []
2138	);
2139		2514
2140	} else {	2515	} else {
2141	$msg = $npc->name . " says: $msg" if $npc;	2516	$msg = $npc->name . " says: $msg" if $npc;
2142	$self->message ($msg, $flags);	2517	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2143	}	2518	}
2144	}	2519	}
		2520	}
		2521
		2522	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2523
		2524	=cut
		2525
		2526	sub cf::object::send_msg {
		2527	my $pl = shift->contr
		2528	or return;
		2529	$pl->send_msg (@_);
2145	}	2530	}
2146		2531
2147	=item $player_object->may ("access")	2532	=item $player_object->may ("access")
2148		2533
2149	Returns wether the given player is authorized to access resource "access"	2534	Returns wether the given player is authorized to access resource "access"
…		…
2162		2547
2163	=item $player_object->enter_link	2548	=item $player_object->enter_link
2164		2549
2165	Freezes the player and moves him/her to a special map (C<{link}>).	2550	Freezes the player and moves him/her to a special map (C<{link}>).
2166		2551
2167	The player should be reasonably safe there for short amounts of time. You	2552	The player should be reasonably safe there for short amounts of time (e.g.
2168	I<MUST> call C<leave_link> as soon as possible, though.	2553	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2554	though, as the palyer cannot control the character while it is on the link
		2555	map.
2169		2556
2170	Will never block.	2557	Will never block.
2171		2558
2172	=item $player_object->leave_link ($map, $x, $y)	2559	=item $player_object->leave_link ($map, $x, $y)
2173		2560
…		…
2225	($x, $y) = (-1, -1)	2612	($x, $y) = (-1, -1)
2226	unless (defined $x) && (defined $y);	2613	unless (defined $x) && (defined $y);
2227		2614
2228	# use -1 or undef as default coordinates, not 0, 0	2615	# use -1 or undef as default coordinates, not 0, 0
2229	($x, $y) = ($map->enter_x, $map->enter_y)	2616	($x, $y) = ($map->enter_x, $map->enter_y)
2230	if $x <=0 && $y <= 0;	2617	if $x <= 0 && $y <= 0;
2231		2618
2232	$map->load;	2619	$map->load;
2233	$map->load_diag;	2620	$map->load_neighbours;
2234		2621
2235	return unless $self->contr->active;	2622	return unless $self->contr->active;
2236	$self->activate_recursive;
2237		2623
2238	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2624	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2239	$self->enter_map ($map, $x, $y);	2625	$self->enter_map ($map, $x, $y);
2240	}
2241		2626
		2627	# only activate afterwards, to support waiting in hooks
		2628	$self->activate_recursive;
		2629	}
		2630
2242	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2631	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2243		2632
2244	Moves the player to the given map-path and coordinates by first freezing	2633	Moves the player to the given map-path and coordinates by first freezing
2245	her, loading and preparing them map, calling the provided $check callback	2634	her, loading and preparing them map, calling the provided $check callback
2246	that has to return the map if sucecssful, and then unfreezes the player on	2635	that has to return the map if sucecssful, and then unfreezes the player on
2247	the new (success) or old (failed) map position.	2636	the new (success) or old (failed) map position. In either case, $done will
		2637	be called at the end of this process.
		2638
		2639	Note that $check will be called with a potentially non-loaded map, so if
		2640	it needs a loaded map it has to call C<< ->load >>.
2248		2641
2249	=cut	2642	=cut
2250		2643
2251	our $GOTOGEN;	2644	our $GOTOGEN;
2252		2645
2253	sub cf::object::player::goto {	2646	sub cf::object::player::goto {
2254	my ($self, $path, $x, $y, $check) = @_;	2647	my ($self, $path, $x, $y, $check, $done) = @_;
2255		2648
2256	# do generation counting so two concurrent goto's will be executed in-order	2649	# do generation counting so two concurrent goto's will be executed in-order
2257	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2650	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2258		2651
2259	$self->enter_link;	2652	$self->enter_link;
2260		2653
2261	(async {	2654	(async {
		2655	$Coro::current->{desc} = "player::goto $path $x $y";
		2656
		2657	# *tag paths override both path and x|y
		2658	if ($path =~ /^\*(.*)$/) {
		2659	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2660	my $ob = $obs[rand @obs];
		2661
		2662	# see if we actually can go there
		2663	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2664	$ob = $obs[rand @obs];
		2665	} else {
		2666	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2667	}
		2668	# else put us there anyways for now #d#
		2669
		2670	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2671	} else {
		2672	($path, $x, $y) = (undef, undef, undef);
		2673	}
		2674	}
		2675
2262	my $map = eval {	2676	my $map = eval {
2263	my $map = cf::map::find $path;	2677	my $map = defined $path ? cf::map::find $path : undef;
2264		2678
2265	if ($map) {	2679	if ($map) {
2266	$map = $map->customise_for ($self);	2680	$map = $map->customise_for ($self);
2267	$map = $check->($map) if $check && $map;	2681	$map = $check->($map) if $check && $map;
2268	} else {	2682	} else {
2269	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2683	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2270	}	2684	}
2271		2685
2272	$map	2686	$map
2273	};	2687	};
2274		2688
…		…
2279		2693
2280	if ($gen == $self->{_goto_generation}) {	2694	if ($gen == $self->{_goto_generation}) {
2281	delete $self->{_goto_generation};	2695	delete $self->{_goto_generation};
2282	$self->leave_link ($map, $x, $y);	2696	$self->leave_link ($map, $x, $y);
2283	}	2697	}
		2698
		2699	$done->() if $done;
2284	})->prio (1);	2700	})->prio (1);
2285	}	2701	}
2286		2702
2287	=item $player_object->enter_exit ($exit_object)	2703	=item $player_object->enter_exit ($exit_object)
2288		2704
…		…
2308	}	2724	}
2309		2725
2310	sub prepare_random_map {	2726	sub prepare_random_map {
2311	my ($exit) = @_;	2727	my ($exit) = @_;
2312		2728
2313	my $guard = cf::lock_acquire "exit_prepare:$exit";
2314
2315	# all this does is basically replace the /! path by	2729	# all this does is basically replace the /! path by
2316	# a new random map path (?random/...) with a seed	2730	# a new random map path (?random/...) with a seed
2317	# that depends on the exit object	2731	# that depends on the exit object
2318		2732
2319	my $rmp = parse_random_map_params $exit->msg;	2733	my $rmp = parse_random_map_params $exit->msg;
…		…
2321	if ($exit->map) {	2735	if ($exit->map) {
2322	$rmp->{region} = $exit->region->name;	2736	$rmp->{region} = $exit->region->name;
2323	$rmp->{origin_map} = $exit->map->path;	2737	$rmp->{origin_map} = $exit->map->path;
2324	$rmp->{origin_x} = $exit->x;	2738	$rmp->{origin_x} = $exit->x;
2325	$rmp->{origin_y} = $exit->y;	2739	$rmp->{origin_y} = $exit->y;
		2740
		2741	$exit->map->touch;
2326	}	2742	}
2327		2743
2328	$rmp->{random_seed} ||= $exit->random_seed;	2744	$rmp->{random_seed} ||= $exit->random_seed;
2329		2745
2330	my $data = cf::to_json $rmp;	2746	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2331	my $md5 = Digest::MD5::md5_hex $data;	2747	my $md5 = Digest::MD5::md5_hex $data;
2332	my $meta = "$RANDOMDIR/$md5.meta";	2748	my $meta = "$RANDOMDIR/$md5.meta";
2333		2749
2334	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2750	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2335	aio_write $fh, 0, (length $data), $data, 0;	2751	aio_write $fh, 0, (length $data), $data, 0;
2336	undef $fh;	2752	undef $fh;
2337	aio_rename "$meta~", $meta;	2753	aio_rename "$meta~", $meta;
2338		2754
		2755	my $slaying = "?random/$md5";
		2756
		2757	if ($exit->valid) {
2339	$exit->slaying ("?random/$md5");	2758	$exit->slaying ("?random/$md5");
2340	$exit->msg (undef);	2759	$exit->msg (undef);
		2760	}
2341	}	2761	}
2342	}	2762	}
2343		2763
2344	sub cf::object::player::enter_exit {	2764	sub cf::object::player::enter_exit {
2345	my ($self, $exit) = @_;	2765	my ($self, $exit) = @_;
2346		2766
2347	return unless $self->type == cf::PLAYER;	2767	return unless $self->type == cf::PLAYER;
2348		2768
2349	if ($exit->slaying eq "/!") {
2350	#TODO: this should de-fi-ni-te-ly not be a sync-job
2351	# the problem is that $exit might not survive long enough
2352	# so it needs to be done right now, right here
2353	cf::sync_job { prepare_random_map $exit };
2354	}
2355
2356	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2357	my $hp = $exit->stats->hp;
2358	my $sp = $exit->stats->sp;
2359
2360	$self->enter_link;	2769	$self->enter_link;
2361		2770
2362	(async {	2771	(async {
2363	$self->deactivate_recursive; # just to be sure	2772	$Coro::current->{desc} = "enter_exit";
		2773
2364	unless (eval {	2774	unless (eval {
		2775	$self->deactivate_recursive; # just to be sure
		2776
		2777	# random map handling
		2778	{
		2779	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2780
		2781	prepare_random_map $exit
		2782	if $exit->slaying eq "/!";
		2783	}
		2784
		2785	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2786	my $x = $exit->stats->hp;
		2787	my $y = $exit->stats->sp;
		2788
2365	$self->goto ($slaying, $hp, $sp);	2789	$self->goto ($map, $x, $y);
2366		2790
		2791	# if exit is damned, update players death & WoR home-position
		2792	$self->contr->savebed ($map, $x, $y)
		2793	if $exit->flag (cf::FLAG_DAMNED);
		2794
2367	1;	2795	1
2368	}) {	2796	}) {
2369	$self->message ("Something went wrong deep within the crossfire server. "	2797	$self->message ("Something went wrong deep within the deliantra server. "
2370	. "I'll try to bring you back to the map you were before. "	2798	. "I'll try to bring you back to the map you were before. "
2371	. "Please report this to the dungeon master!",	2799	. "Please report this to the dungeon master!",
2372	cf::NDI_UNIQUE | cf::NDI_RED);	2800	cf::NDI_UNIQUE | cf::NDI_RED);
2373		2801
2374	warn "ERROR in enter_exit: $@";	2802	warn "ERROR in enter_exit: $@";
…		…
2393		2821
2394	utf8::encode $text;	2822	utf8::encode $text;
2395	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2823	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2396	}	2824	}
2397		2825
		2826	=item $client->send_big_packet ($pkt)
		2827
		2828	Like C<send_packet>, but tries to compress large packets, and fragments
		2829	them as required.
		2830
		2831	=cut
		2832
		2833	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2834
		2835	sub cf::client::send_big_packet {
		2836	my ($self, $pkt) = @_;
		2837
		2838	# try lzf for large packets
		2839	$pkt = "lzf " . Compress::LZF::compress $pkt
		2840	if 1024 <= length $pkt and $self->{can_lzf};
		2841
		2842	# split very large packets
		2843	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2844	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2845	$pkt = "frag";
		2846	}
		2847
		2848	$self->send_packet ($pkt);
		2849	}
		2850
2398	=item $client->send_msg ($color, $type, $msg, [extra...])	2851	=item $client->send_msg ($channel, $msg, $color, [extra...])
2399		2852
2400	Send a drawinfo or msg packet to the client, formatting the msg for the	2853	Send a drawinfo or msg packet to the client, formatting the msg for the
2401	client if neccessary. C<$type> should be a string identifying the type of	2854	client if neccessary. C<$type> should be a string identifying the type of
2402	the message, with C<log> being the default. If C<$color> is negative, suppress	2855	the message, with C<log> being the default. If C<$color> is negative, suppress
2403	the message unless the client supports the msg packet.	2856	the message unless the client supports the msg packet.
2404		2857
2405	=cut	2858	=cut
2406		2859
		2860	# non-persistent channels (usually the info channel)
		2861	our %CHANNEL = (
		2862	"c/motd" => {
		2863	id => "infobox",
		2864	title => "MOTD",
		2865	reply => undef,
		2866	tooltip => "The message of the day",
		2867	},
		2868	"c/identify" => {
		2869	id => "infobox",
		2870	title => "Identify",
		2871	reply => undef,
		2872	tooltip => "Items recently identified",
		2873	},
		2874	"c/examine" => {
		2875	id => "infobox",
		2876	title => "Examine",
		2877	reply => undef,
		2878	tooltip => "Signs and other items you examined",
		2879	},
		2880	"c/shopinfo" => {
		2881	id => "infobox",
		2882	title => "Shop Info",
		2883	reply => undef,
		2884	tooltip => "What your bargaining skill tells you about the shop",
		2885	},
		2886	"c/book" => {
		2887	id => "infobox",
		2888	title => "Book",
		2889	reply => undef,
		2890	tooltip => "The contents of a note or book",
		2891	},
		2892	"c/lookat" => {
		2893	id => "infobox",
		2894	title => "Look",
		2895	reply => undef,
		2896	tooltip => "What you saw there",
		2897	},
		2898	"c/who" => {
		2899	id => "infobox",
		2900	title => "Players",
		2901	reply => undef,
		2902	tooltip => "Shows players who are currently online",
		2903	},
		2904	"c/body" => {
		2905	id => "infobox",
		2906	title => "Body Parts",
		2907	reply => undef,
		2908	tooltip => "Shows which body parts you posess and are available",
		2909	},
		2910	"c/statistics" => {
		2911	id => "infobox",
		2912	title => "Statistics",
		2913	reply => undef,
		2914	tooltip => "Shows your primary statistics",
		2915	},
		2916	"c/skills" => {
		2917	id => "infobox",
		2918	title => "Skills",
		2919	reply => undef,
		2920	tooltip => "Shows your experience per skill and item power",
		2921	},
		2922	"c/shopitems" => {
		2923	id => "infobox",
		2924	title => "Shop Items",
		2925	reply => undef,
		2926	tooltip => "Shows the items currently for sale in this shop",
		2927	},
		2928	"c/resistances" => {
		2929	id => "infobox",
		2930	title => "Resistances",
		2931	reply => undef,
		2932	tooltip => "Shows your resistances",
		2933	},
		2934	"c/pets" => {
		2935	id => "infobox",
		2936	title => "Pets",
		2937	reply => undef,
		2938	tooltip => "Shows information abotu your pets/a specific pet",
		2939	},
		2940	"c/perceiveself" => {
		2941	id => "infobox",
		2942	title => "Perceive Self",
		2943	reply => undef,
		2944	tooltip => "You gained detailed knowledge about yourself",
		2945	},
		2946	"c/uptime" => {
		2947	id => "infobox",
		2948	title => "Uptime",
		2949	reply => undef,
		2950	tooltip => "How long the server has been running since last restart",
		2951	},
		2952	"c/mapinfo" => {
		2953	id => "infobox",
		2954	title => "Map Info",
		2955	reply => undef,
		2956	tooltip => "Information related to the maps",
		2957	},
		2958	"c/party" => {
		2959	id => "party",
		2960	title => "Party",
		2961	reply => "gsay ",
		2962	tooltip => "Messages and chat related to your party",
		2963	},
		2964	"c/death" => {
		2965	id => "death",
		2966	title => "Death",
		2967	reply => undef,
		2968	tooltip => "Reason for and more info about your most recent death",
		2969	},
		2970	"c/say" => $SAY_CHANNEL,
		2971	"c/chat" => $CHAT_CHANNEL,
		2972	);
		2973
2407	sub cf::client::send_msg {	2974	sub cf::client::send_msg {
2408	my ($self, $color, $type, $msg, @extra) = @_;	2975	my ($self, $channel, $msg, $color, @extra) = @_;
2409		2976
2410	$msg = $self->pl->expand_cfpod ($msg);	2977	$msg = $self->pl->expand_cfpod ($msg)
		2978	unless $color & cf::NDI_VERBATIM;
2411		2979
2412	if ($self->can_msg) {	2980	$color &= cf::NDI_CLIENT_MASK; # just in case...
2413	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
2414	} else {
2415	# replace some tags by gcfclient-compatible ones
2416	for ($msg) {
2417	1 while
2418	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2419	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2420	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2421	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2422	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2423	}
2424		2981
2425	if ($color >= 0) {	2982	# check predefined channels, for the benefit of C
2426	if (0 && $msg =~ /\[/) {	2983	if ($CHANNEL{$channel}) {
2427	$self->send_packet ("drawextinfo $color 4 0 $msg")	2984	$channel = $CHANNEL{$channel};
2428	} else {	2985
2429	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	2986	$self->ext_msg (channel_info => $channel);
2430	$self->send_packet ("drawinfo $color $msg")	2987	$channel = $channel->{id};
		2988
		2989	} elsif (ref $channel) {
		2990	# send meta info to client, if not yet sent
		2991	unless (exists $self->{channel}{$channel->{id}}) {
		2992	$self->{channel}{$channel->{id}} = $channel;
		2993	$self->ext_msg (channel_info => $channel);
2431	}	2994	}
2432	}
2433	}
2434	}
2435		2995
		2996	$channel = $channel->{id};
		2997	}
		2998
		2999	return unless @extra || length $msg;
		3000
		3001	# default colour, mask it out
		3002	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3003	if $color & cf::NDI_DEF;
		3004
		3005	my $pkt = "msg "
		3006	. $self->{json_coder}->encode (
		3007	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3008	);
		3009
		3010	$self->send_big_packet ($pkt);
		3011	}
		3012
2436	=item $client->ext_event ($type, %msg)	3013	=item $client->ext_msg ($type, @msg)
2437		3014
2438	Sends an ext event to the client.	3015	Sends an ext event to the client.
2439		3016
2440	=cut	3017	=cut
2441		3018
2442	sub cf::client::ext_event($$%) {	3019	sub cf::client::ext_msg($$@) {
2443	my ($self, $type, %msg) = @_;	3020	my ($self, $type, @msg) = @_;
2444		3021
		3022	if ($self->extcmd == 2) {
		3023	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3024	} elsif ($self->extcmd == 1) { # TODO: remove
2445	$msg{msgtype} = "event_$type";	3025	push @msg, msgtype => "event_$type";
2446	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3026	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3027	}
		3028	}
		3029
		3030	=item $client->ext_reply ($msgid, @msg)
		3031
		3032	Sends an ext reply to the client.
		3033
		3034	=cut
		3035
		3036	sub cf::client::ext_reply($$@) {
		3037	my ($self, $id, @msg) = @_;
		3038
		3039	if ($self->extcmd == 2) {
		3040	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3041	} elsif ($self->extcmd == 1) {
		3042	#TODO: version 1, remove
		3043	unshift @msg, msgtype => "reply", msgid => $id;
		3044	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3045	}
2447	}	3046	}
2448		3047
2449	=item $success = $client->query ($flags, "text", \&cb)	3048	=item $success = $client->query ($flags, "text", \&cb)
2450		3049
2451	Queues a query to the client, calling the given callback with	3050	Queues a query to the client, calling the given callback with
…		…
2506	my ($ns, $buf) = @_;	3105	my ($ns, $buf) = @_;
2507		3106
2508	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3107	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2509		3108
2510	if (ref $msg) {	3109	if (ref $msg) {
		3110	my ($type, $reply, @payload) =
		3111	"ARRAY" eq ref $msg
		3112	? @$msg
		3113	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3114
		3115	my @reply;
		3116
2511	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3117	if (my $cb = $EXTICMD{$type}) {
2512	if (my %reply = $cb->($ns, $msg)) {	3118	@reply = $cb->($ns, @payload);
2513	$reply{msgid} = $msg->{msgid};
2514	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2515	}
2516	}	3119	}
		3120
		3121	$ns->ext_reply ($reply, @reply)
		3122	if $reply;
		3123
2517	} else {	3124	} else {
2518	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3125	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2519	}	3126	}
2520		3127
2521	cf::override;	3128	cf::override;
…		…
2543		3150
2544	$coro	3151	$coro
2545	}	3152	}
2546		3153
2547	cf::client->attach (	3154	cf::client->attach (
2548	on_destroy => sub {	3155	on_client_destroy => sub {
2549	my ($ns) = @_;	3156	my ($ns) = @_;
2550		3157
2551	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3158	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2552	},	3159	},
2553	);	3160	);
…		…
2568	our $safe = new Safe "safe";	3175	our $safe = new Safe "safe";
2569	our $safe_hole = new Safe::Hole;	3176	our $safe_hole = new Safe::Hole;
2570		3177
2571	$SIG{FPE} = 'IGNORE';	3178	$SIG{FPE} = 'IGNORE';
2572		3179
2573	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3180	$safe->permit_only (Opcode::opset qw(
		3181	:base_core :base_mem :base_orig :base_math :base_loop
		3182	grepstart grepwhile mapstart mapwhile
		3183	sort time
		3184	));
2574		3185
2575	# here we export the classes and methods available to script code	3186	# here we export the classes and methods available to script code
2576		3187
2577	=pod	3188	=pod
2578		3189
2579	The following functions and methods are available within a safe environment:	3190	The following functions and methods are available within a safe environment:
2580		3191
2581	cf::object contr pay_amount pay_player map	3192	cf::object
		3193	contr pay_amount pay_player map x y force_find force_add destroy
		3194	insert remove name archname title slaying race decrease split
		3195	value
		3196
2582	cf::object::player player	3197	cf::object::player
2583	cf::player peaceful	3198	player
2584	cf::map trigger	3199
		3200	cf::player
		3201	peaceful
		3202
		3203	cf::map
		3204	trigger
2585		3205
2586	=cut	3206	=cut
2587		3207
2588	for (	3208	for (
2589	["cf::object" => qw(contr pay_amount pay_player map)],	3209	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3210	insert remove inv nrof name archname title slaying race
		3211	decrease split destroy change_exp value msg lore send_msg)],
2590	["cf::object::player" => qw(player)],	3212	["cf::object::player" => qw(player)],
2591	["cf::player" => qw(peaceful)],	3213	["cf::player" => qw(peaceful send_msg)],
2592	["cf::map" => qw(trigger)],	3214	["cf::map" => qw(trigger)],
2593	) {	3215	) {
2594	no strict 'refs';	3216	no strict 'refs';
2595	my ($pkg, @funs) = @$_;	3217	my ($pkg, @funs) = @$_;
2596	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3218	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2614		3236
2615	my $qcode = $code;	3237	my $qcode = $code;
2616	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3238	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2617	$qcode =~ s/\n/\\n/g;	3239	$qcode =~ s/\n/\\n/g;
2618		3240
		3241	%vars = (_dummy => 0) unless %vars;
		3242
		3243	my @res;
2619	local $_;	3244	local $_;
2620	local @safe::cf::_safe_eval_args = values %vars;
2621		3245
2622	my $eval =	3246	my $eval =
2623	"do {\n"	3247	"do {\n"
2624	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3248	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2625	. "#line 0 \"{$qcode}\"\n"	3249	. "#line 0 \"{$qcode}\"\n"
2626	. $code	3250	. $code
2627	. "\n}"	3251	. "\n}"
2628	;	3252	;
2629		3253
		3254	if ($CFG{safe_eval}) {
2630	sub_generation_inc;	3255	sub_generation_inc;
		3256	local @safe::cf::_safe_eval_args = values %vars;
2631	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3257	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2632	sub_generation_inc;	3258	sub_generation_inc;
		3259	} else {
		3260	local @cf::_safe_eval_args = values %vars;
		3261	@res = wantarray ? eval eval : scalar eval $eval;
		3262	}
2633		3263
2634	if ($@) {	3264	if ($@) {
2635	warn "$@";	3265	warn "$@";
2636	warn "while executing safe code '$code'\n";	3266	warn "while executing safe code '$code'\n";
2637	warn "with arguments " . (join " ", %vars) . "\n";	3267	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2656	=cut	3286	=cut
2657		3287
2658	sub register_script_function {	3288	sub register_script_function {
2659	my ($fun, $cb) = @_;	3289	my ($fun, $cb) = @_;
2660		3290
2661	no strict 'refs';	3291	$fun = "safe::$fun" if $CFG{safe_eval};
2662	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3292	*$fun = $safe_hole->wrap ($cb);
2663	}	3293	}
2664		3294
2665	=back	3295	=back
2666		3296
2667	=cut	3297	=cut
…		…
2669	#############################################################################	3299	#############################################################################
2670	# the server's init and main functions	3300	# the server's init and main functions
2671		3301
2672	sub load_facedata($) {	3302	sub load_facedata($) {
2673	my ($path) = @_;	3303	my ($path) = @_;
		3304
		3305	# HACK to clear player env face cache, we need some signal framework
		3306	# for this (global event?)
		3307	%ext::player_env::MUSIC_FACE_CACHE = ();
		3308
		3309	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2674		3310
2675	warn "loading facedata from $path\n";	3311	warn "loading facedata from $path\n";
2676		3312
2677	my $facedata;	3313	my $facedata;
2678	0 < aio_load $path, $facedata	3314	0 < aio_load $path, $facedata
…		…
2681	$facedata = Coro::Storable::thaw $facedata;	3317	$facedata = Coro::Storable::thaw $facedata;
2682		3318
2683	$facedata->{version} == 2	3319	$facedata->{version} == 2
2684	or cf::cleanup "$path: version mismatch, cannot proceed.";	3320	or cf::cleanup "$path: version mismatch, cannot proceed.";
2685		3321
		3322	# patch in the exptable
		3323	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3324	$facedata->{resource}{"res/exp_table"} = {
		3325	type => FT_RSRC,
		3326	data => $exp_table,
		3327	hash => (Digest::MD5::md5 $exp_table),
		3328	};
		3329	cf::cede_to_tick;
		3330
2686	{	3331	{
2687	my $faces = $facedata->{faceinfo};	3332	my $faces = $facedata->{faceinfo};
2688		3333
2689	while (my ($face, $info) = each %$faces) {	3334	while (my ($face, $info) = each %$faces) {
2690	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3335	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3336
2691	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3337	cf::face::set_visibility $idx, $info->{visibility};
		3338	cf::face::set_magicmap $idx, $info->{magicmap};
2692	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3339	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2693	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3340	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2694	Coro::cede;	3341
		3342	cf::cede_to_tick;
2695	}	3343	}
2696		3344
2697	while (my ($face, $info) = each %$faces) {	3345	while (my ($face, $info) = each %$faces) {
2698	next unless $info->{smooth};	3346	next unless $info->{smooth};
		3347
2699	my $idx = cf::face::find $face	3348	my $idx = cf::face::find $face
2700	or next;	3349	or next;
		3350
2701	if (my $smooth = cf::face::find $info->{smooth}) {	3351	if (my $smooth = cf::face::find $info->{smooth}) {
		3352	cf::face::set_smooth $idx, $smooth;
2702	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3353	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2703	} else {	3354	} else {
2704	warn "smooth face '$info->{smooth}' not found for face '$face'";	3355	warn "smooth face '$info->{smooth}' not found for face '$face'";
2705	}	3356	}
2706	Coro::cede;	3357
		3358	cf::cede_to_tick;
2707	}	3359	}
2708	}	3360	}
2709		3361
2710	{	3362	{
2711	my $anims = $facedata->{animinfo};	3363	my $anims = $facedata->{animinfo};
2712		3364
2713	while (my ($anim, $info) = each %$anims) {	3365	while (my ($anim, $info) = each %$anims) {
2714	cf::anim::set $anim, $info->{frames}, $info->{facings};	3366	cf::anim::set $anim, $info->{frames}, $info->{facings};
2715	Coro::cede;	3367	cf::cede_to_tick;
2716	}	3368	}
2717		3369
2718	cf::anim::invalidate_all; # d'oh	3370	cf::anim::invalidate_all; # d'oh
2719	}	3371	}
2720		3372
		3373	{
		3374	my $res = $facedata->{resource};
		3375
		3376	while (my ($name, $info) = each %$res) {
		3377	if (defined $info->{type}) {
		3378	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3379
		3380	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3381	cf::face::set_type $idx, $info->{type};
		3382	} else {
		3383	$RESOURCE{$name} = $info;
		3384	}
		3385
		3386	cf::cede_to_tick;
		3387	}
		3388	}
		3389
		3390	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3391
2721	1	3392	1
2722	}	3393	}
2723		3394
		3395	cf::global->attach (on_resource_update => sub {
		3396	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3397	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3398
		3399	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3400	my $sound = $soundconf->{compat}[$_]
		3401	or next;
		3402
		3403	my $face = cf::face::find "sound/$sound->[1]";
		3404	cf::sound::set $sound->[0] => $face;
		3405	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3406	}
		3407
		3408	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3409	my $face = cf::face::find "sound/$v";
		3410	cf::sound::set $k => $face;
		3411	}
		3412	}
		3413	});
		3414
		3415	register_exticmd fx_want => sub {
		3416	my ($ns, $want) = @_;
		3417
		3418	while (my ($k, $v) = each %$want) {
		3419	$ns->fx_want ($k, $v);
		3420	}
		3421	};
		3422
		3423	sub load_resource_file($) {
		3424	my $guard = lock_acquire "load_resource_file";
		3425
		3426	my $status = load_resource_file_ $_[0];
		3427	get_slot 0.1, 100;
		3428	cf::arch::commit_load;
		3429
		3430	$status
		3431	}
		3432
2724	sub reload_regions {	3433	sub reload_regions {
		3434	# HACK to clear player env face cache, we need some signal framework
		3435	# for this (global event?)
		3436	%ext::player_env::MUSIC_FACE_CACHE = ();
		3437
2725	load_resource_file "$MAPDIR/regions"	3438	load_resource_file "$MAPDIR/regions"
2726	or die "unable to load regions file\n";	3439	or die "unable to load regions file\n";
		3440
		3441	for (cf::region::list) {
		3442	$_->{match} = qr/$_->{match}/
		3443	if exists $_->{match};
		3444	}
2727	}	3445	}
2728		3446
2729	sub reload_facedata {	3447	sub reload_facedata {
2730	load_facedata "$DATADIR/facedata"	3448	load_facedata "$DATADIR/facedata"
2731	or die "unable to load facedata\n";	3449	or die "unable to load facedata\n";
2732	}	3450	}
2733		3451
2734	sub reload_archetypes {	3452	sub reload_archetypes {
2735	load_resource_file "$DATADIR/archetypes"	3453	load_resource_file "$DATADIR/archetypes"
2736	or die "unable to load archetypes\n";	3454	or die "unable to load archetypes\n";
2737	#d# NEED to laod twice to resolve forward references
2738	# this really needs to be done in an extra post-pass
2739	# (which needs to be synchronous, so solve it differently)
2740	load_resource_file "$DATADIR/archetypes"
2741	or die "unable to load archetypes\n";
2742	}	3455	}
2743		3456
2744	sub reload_treasures {	3457	sub reload_treasures {
2745	load_resource_file "$DATADIR/treasures"	3458	load_resource_file "$DATADIR/treasures"
2746	or die "unable to load treasurelists\n";	3459	or die "unable to load treasurelists\n";
2747	}	3460	}
2748		3461
2749	sub reload_resources {	3462	sub reload_resources {
2750	warn "reloading resource files...\n";	3463	warn "reloading resource files...\n";
2751		3464
		3465	reload_facedata;
		3466	reload_archetypes;
2752	reload_regions;	3467	reload_regions;
2753	reload_facedata;
2754	#reload_archetypes;#d#
2755	reload_archetypes;
2756	reload_treasures;	3468	reload_treasures;
2757		3469
2758	warn "finished reloading resource files\n";	3470	warn "finished reloading resource files\n";
2759	}	3471	}
2760		3472
2761	sub init {	3473	sub reload_config {
2762	reload_resources;	3474	warn "reloading config file...\n";
2763	}
2764		3475
2765	sub cfg_load {
2766	open my $fh, "<:utf8", "$CONFDIR/config"	3476	open my $fh, "<:utf8", "$CONFDIR/config"
2767	or return;	3477	or return;
2768		3478
2769	local $/;	3479	local $/;
2770	*CFG = YAML::Syck::Load <$fh>;	3480	*CFG = YAML::XS::Load scalar <$fh>;
2771		3481
2772	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3482	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2773		3483
2774	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3484	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2775	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3485	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2779	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3489	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2780	and die "WARNING: m(un)lockall failed: $!\n";	3490	and die "WARNING: m(un)lockall failed: $!\n";
2781	};	3491	};
2782	warn $@ if $@;	3492	warn $@ if $@;
2783	}	3493	}
		3494
		3495	warn "finished reloading resource files\n";
		3496	}
		3497
		3498	sub pidfile() {
		3499	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3500	or die "$PIDFILE: $!";
		3501	flock $fh, &Fcntl::LOCK_EX
		3502	or die "$PIDFILE: flock: $!";
		3503	$fh
		3504	}
		3505
		3506	# make sure only one server instance is running at any one time
		3507	sub atomic {
		3508	my $fh = pidfile;
		3509
		3510	my $pid = <$fh>;
		3511	kill 9, $pid if $pid > 0;
		3512
		3513	seek $fh, 0, 0;
		3514	print $fh $$;
		3515	}
		3516
		3517	sub main_loop {
		3518	warn "EV::loop starting\n";
		3519	if (1) {
		3520	EV::loop;
		3521	}
		3522	warn "EV::loop returned\n";
		3523	goto &main_loop unless $REALLY_UNLOOP;
2784	}	3524	}
2785		3525
2786	sub main {	3526	sub main {
		3527	cf::init_globals; # initialise logging
		3528
		3529	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3530	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3531	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3532	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3533
		3534	cf::init_experience;
		3535	cf::init_anim;
		3536	cf::init_attackmess;
		3537	cf::init_dynamic;
		3538
		3539	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3540
2787	# we must not ever block the main coroutine	3541	# we must not ever block the main coroutine
2788	local $Coro::idle = sub {	3542	local $Coro::idle = sub {
2789	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3543	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2790	(async {	3544	(async {
2791	Event::one_event;	3545	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3546	EV::loop EV::LOOP_ONESHOT;
2792	})->prio (Coro::PRIO_MAX);	3547	})->prio (Coro::PRIO_MAX);
2793	};	3548	};
2794		3549
2795	cfg_load;	3550	evthread_start IO::AIO::poll_fileno;
		3551
		3552	cf::sync_job {
		3553	cf::load_settings;
		3554	cf::load_materials;
		3555
		3556	reload_resources;
		3557	reload_config;
2796	db_init;	3558	db_init;
		3559
		3560	cf::init_uuid;
		3561	cf::init_signals;
		3562	cf::init_skills;
		3563
		3564	cf::init_beforeplay;
		3565
		3566	atomic;
		3567
2797	load_extensions;	3568	load_extensions;
2798		3569
2799	$TICK_WATCHER->start;	3570	utime time, time, $RUNTIMEFILE;
2800	Event::loop;	3571
		3572	# no (long-running) fork's whatsoever before this point(!)
		3573	use POSIX ();
		3574	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3575
		3576	(pop @POST_INIT)->(0) while @POST_INIT;
		3577	};
		3578
		3579	main_loop;
2801	}	3580	}
2802		3581
2803	#############################################################################	3582	#############################################################################
2804	# initialisation and cleanup	3583	# initialisation and cleanup
2805		3584
2806	# install some emergency cleanup handlers	3585	# install some emergency cleanup handlers
2807	BEGIN {	3586	BEGIN {
		3587	our %SIGWATCHER = ();
2808	for my $signal (qw(INT HUP TERM)) {	3588	for my $signal (qw(INT HUP TERM)) {
2809	Event->signal (	3589	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2810	reentrant => 0,
2811	data => WF_AUTOCANCEL,
2812	signal => $signal,
2813	prio => 0,
2814	cb => sub {
2815	cf::cleanup "SIG$signal";	3590	cf::cleanup "SIG$signal";
2816	},
2817	);	3591	};
2818	}	3592	}
2819	}	3593	}
2820		3594
2821	sub write_runtime {	3595	sub write_runtime_sync {
2822	my $runtime = "$LOCALDIR/runtime";	3596	my $t0 = EV::time;
2823		3597
2824	# first touch the runtime file to show we are still running:	3598	# first touch the runtime file to show we are still running:
2825	# the fsync below can take a very very long time.	3599	# the fsync below can take a very very long time.
2826		3600
2827	IO::AIO::aio_utime $runtime, undef, undef;	3601	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2828		3602
2829	my $guard = cf::lock_acquire "write_runtime";	3603	my $guard = cf::lock_acquire "write_runtime";
2830		3604
2831	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3605	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2832	or return;	3606	or return;
2833		3607
2834	my $value = $cf::RUNTIME + 90 + 10;	3608	my $value = $cf::RUNTIME + 90 + 10;
2835	# 10 is the runtime save interval, for a monotonic clock	3609	# 10 is the runtime save interval, for a monotonic clock
2836	# 60 allows for the watchdog to kill the server.	3610	# 60 allows for the watchdog to kill the server.
…		…
2846	aio_utime $fh, undef, undef;	3620	aio_utime $fh, undef, undef;
2847		3621
2848	close $fh	3622	close $fh
2849	or return;	3623	or return;
2850		3624
2851	aio_rename "$runtime~", $runtime	3625	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2852	and return;	3626	and return;
2853		3627
2854	warn "runtime file written.\n";	3628	warn sprintf "runtime file written (%gs).\n", EV::time - $t0;
2855		3629
2856	1	3630	1
		3631	}
		3632
		3633	our $uuid_lock;
		3634	our $uuid_skip;
		3635
		3636	sub write_uuid_sync($) {
		3637	$uuid_skip ||= $_[0];
		3638
		3639	return if $uuid_lock;
		3640	local $uuid_lock = 1;
		3641
		3642	my $uuid = "$LOCALDIR/uuid";
		3643
		3644	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3645	or return;
		3646
		3647	my $value = uuid_seq uuid_cur;
		3648
		3649	unless ($value) {
		3650	warn "cowardly refusing to write zero uuid value!\n";
		3651	return;
		3652	}
		3653
		3654	my $value = uuid_str $value + $uuid_skip;
		3655	$uuid_skip = 0;
		3656
		3657	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3658	and return;
		3659
		3660	# always fsync - this file is important
		3661	aio_fsync $fh
		3662	and return;
		3663
		3664	close $fh
		3665	or return;
		3666
		3667	aio_rename "$uuid~", $uuid
		3668	and return;
		3669
		3670	warn "uuid file written ($value).\n";
		3671
		3672	1
		3673
		3674	}
		3675
		3676	sub write_uuid($$) {
		3677	my ($skip, $sync) = @_;
		3678
		3679	$sync ? write_uuid_sync $skip
		3680	: async { write_uuid_sync $skip };
2857	}	3681	}
2858		3682
2859	sub emergency_save() {	3683	sub emergency_save() {
2860	my $freeze_guard = cf::freeze_mainloop;	3684	my $freeze_guard = cf::freeze_mainloop;
2861		3685
2862	warn "enter emergency perl save\n";	3686	warn "emergency_perl_save: enter\n";
2863		3687
2864	cf::sync_job {	3688	cf::sync_job {
		3689	# this is a trade-off: we want to be very quick here, so
		3690	# save all maps without fsync, and later call a global sync
		3691	# (which in turn might be very very slow)
		3692	local $USE_FSYNC = 0;
		3693
2865	# use a peculiar iteration method to avoid tripping on perl	3694	# use a peculiar iteration method to avoid tripping on perl
2866	# refcount bugs in for. also avoids problems with players	3695	# refcount bugs in for. also avoids problems with players
2867	# and maps saved/destroyed asynchronously.	3696	# and maps saved/destroyed asynchronously.
2868	warn "begin emergency player save\n";	3697	warn "emergency_perl_save: begin player save\n";
2869	for my $login (keys %cf::PLAYER) {	3698	for my $login (keys %cf::PLAYER) {
2870	my $pl = $cf::PLAYER{$login} or next;	3699	my $pl = $cf::PLAYER{$login} or next;
2871	$pl->valid or next;	3700	$pl->valid or next;
		3701	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2872	$pl->save;	3702	$pl->save;
2873	}	3703	}
2874	warn "end emergency player save\n";	3704	warn "emergency_perl_save: end player save\n";
2875		3705
2876	warn "begin emergency map save\n";	3706	warn "emergency_perl_save: begin map save\n";
2877	for my $path (keys %cf::MAP) {	3707	for my $path (keys %cf::MAP) {
2878	my $map = $cf::MAP{$path} or next;	3708	my $map = $cf::MAP{$path} or next;
2879	$map->valid or next;	3709	$map->valid or next;
2880	$map->save;	3710	$map->save;
2881	}	3711	}
2882	warn "end emergency map save\n";	3712	warn "emergency_perl_save: end map save\n";
2883		3713
2884	warn "begin emergency database checkpoint\n";	3714	warn "emergency_perl_save: begin database checkpoint\n";
2885	BDB::db_env_txn_checkpoint $DB_ENV;	3715	BDB::db_env_txn_checkpoint $DB_ENV;
2886	warn "end emergency database checkpoint\n";	3716	warn "emergency_perl_save: end database checkpoint\n";
		3717
		3718	warn "emergency_perl_save: begin write uuid\n";
		3719	write_uuid_sync 1;
		3720	warn "emergency_perl_save: end write uuid\n";
2887	};	3721	};
2888		3722
		3723	warn "emergency_perl_save: starting sync()\n";
		3724	IO::AIO::aio_sync sub {
		3725	warn "emergency_perl_save: finished sync()\n";
		3726	};
		3727
2889	warn "leave emergency perl save\n";	3728	warn "emergency_perl_save: leave\n";
2890	}	3729	}
2891		3730
2892	sub post_cleanup {	3731	sub post_cleanup {
2893	my ($make_core) = @_;	3732	my ($make_core) = @_;
2894		3733
2895	warn Carp::longmess "post_cleanup backtrace"	3734	warn Carp::longmess "post_cleanup backtrace"
2896	if $make_core;	3735	if $make_core;
		3736
		3737	my $fh = pidfile;
		3738	unlink $PIDFILE if <$fh> == $$;
		3739	}
		3740
		3741	# a safer delete_package, copied from Symbol
		3742	sub clear_package($) {
		3743	my $pkg = shift;
		3744
		3745	# expand to full symbol table name if needed
		3746	unless ($pkg =~ /^main::.*::$/) {
		3747	$pkg = "main$pkg" if $pkg =~ /^::/;
		3748	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3749	$pkg .= '::' unless $pkg =~ /::$/;
		3750	}
		3751
		3752	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3753	my $stem_symtab = *{$stem}{HASH};
		3754
		3755	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3756	or return;
		3757
		3758	# clear all symbols
		3759	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3760	for my $name (keys %$leaf_symtab) {
		3761	_gv_clear *{"$pkg$name"};
		3762	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3763	}
		3764	warn "cleared package $pkg\n";#d#
2897	}	3765	}
2898		3766
2899	sub do_reload_perl() {	3767	sub do_reload_perl() {
2900	# can/must only be called in main	3768	# can/must only be called in main
2901	if ($Coro::current != $Coro::main) {	3769	if ($Coro::current != $Coro::main) {
2902	warn "can only reload from main coroutine";	3770	warn "can only reload from main coroutine";
2903	return;	3771	return;
2904	}	3772	}
2905		3773
		3774	return if $RELOAD++;
		3775
		3776	my $t1 = EV::time;
		3777
		3778	while ($RELOAD) {
2906	warn "reloading...";	3779	warn "reloading...";
2907		3780
2908	warn "entering sync_job";	3781	warn "entering sync_job";
2909		3782
2910	cf::sync_job {	3783	cf::sync_job {
2911	cf::write_runtime; # external watchdog should not bark	3784	cf::write_runtime_sync; # external watchdog should not bark
2912	cf::emergency_save;	3785	cf::emergency_save;
2913	cf::write_runtime; # external watchdog should not bark	3786	cf::write_runtime_sync; # external watchdog should not bark
2914		3787
2915	warn "syncing database to disk";	3788	warn "syncing database to disk";
2916	BDB::db_env_txn_checkpoint $DB_ENV;	3789	BDB::db_env_txn_checkpoint $DB_ENV;
2917		3790
2918	# if anything goes wrong in here, we should simply crash as we already saved	3791	# if anything goes wrong in here, we should simply crash as we already saved
2919		3792
2920	warn "cancelling all WF_AUTOCANCEL watchers";
2921	for (Event::all_watchers) {
2922	$_->cancel if $_->data & WF_AUTOCANCEL;
2923	}
2924
2925	warn "flushing outstanding aio requests";	3793	warn "flushing outstanding aio requests";
2926	for (;;) {
2927	BDB::flush;
2928	IO::AIO::flush;
2929	Coro::cede;
2930	last unless IO::AIO::nreqs || BDB::nreqs;	3794	while (IO::AIO::nreqs || BDB::nreqs) {
2931	warn "iterate...";	3795	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2932	}
2933
2934	++$RELOAD;
2935
2936	warn "cancelling all extension coros";
2937	$_->cancel for values %EXT_CORO;
2938	%EXT_CORO = ();
2939
2940	warn "removing commands";
2941	%COMMAND = ();
2942
2943	warn "removing ext/exti commands";
2944	%EXTCMD = ();
2945	%EXTICMD = ();
2946
2947	warn "unloading/nuking all extensions";
2948	for my $pkg (@EXTS) {
2949	warn "... unloading $pkg";
2950
2951	if (my $cb = $pkg->can ("unload")) {
2952	eval {
2953	$cb->($pkg);
2954	1
2955	} or warn "$pkg unloaded, but with errors: $@";
2956	}	3796	}
2957		3797
2958	warn "... nuking $pkg";	3798	warn "cancelling all extension coros";
2959	Symbol::delete_package $pkg;	3799	$_->cancel for values %EXT_CORO;
2960	}	3800	%EXT_CORO = ();
2961		3801
2962	warn "unloading all perl modules loaded from $LIBDIR";	3802	warn "removing commands";
2963	while (my ($k, $v) = each %INC) {	3803	%COMMAND = ();
2964	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2965		3804
		3805	warn "removing ext/exti commands";
		3806	%EXTCMD = ();
		3807	%EXTICMD = ();
		3808
		3809	warn "unloading/nuking all extensions";
		3810	for my $pkg (@EXTS) {
2966	warn "... unloading $k";	3811	warn "... unloading $pkg";
2967	delete $INC{$k};
2968		3812
2969	$k =~ s/\.pm$//;
2970	$k =~ s/\//::/g;
2971
2972	if (my $cb = $k->can ("unload_module")) {	3813	if (my $cb = $pkg->can ("unload")) {
		3814	eval {
2973	$cb->();	3815	$cb->($pkg);
		3816	1
		3817	} or warn "$pkg unloaded, but with errors: $@";
		3818	}
		3819
		3820	warn "... clearing $pkg";
		3821	clear_package $pkg;
2974	}	3822	}
2975		3823
2976	Symbol::delete_package $k;	3824	warn "unloading all perl modules loaded from $LIBDIR";
		3825	while (my ($k, $v) = each %INC) {
		3826	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3827
		3828	warn "... unloading $k";
		3829	delete $INC{$k};
		3830
		3831	$k =~ s/\.pm$//;
		3832	$k =~ s/\//::/g;
		3833
		3834	if (my $cb = $k->can ("unload_module")) {
		3835	$cb->();
		3836	}
		3837
		3838	clear_package $k;
2977	}	3839	}
2978		3840
2979	warn "getting rid of safe::, as good as possible";	3841	warn "getting rid of safe::, as good as possible";
2980	Symbol::delete_package "safe::$_"	3842	clear_package "safe::$_"
2981	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3843	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2982		3844
2983	warn "unloading cf.pm \"a bit\"";	3845	warn "unloading cf.pm \"a bit\"";
2984	delete $INC{"cf.pm"};	3846	delete $INC{"cf.pm"};
2985	delete $INC{"cf/pod.pm"};	3847	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2986		3848
2987	# don't, removes xs symbols, too,	3849	# don't, removes xs symbols, too,
2988	# and global variables created in xs	3850	# and global variables created in xs
2989	#Symbol::delete_package __PACKAGE__;	3851	#clear_package __PACKAGE__;
2990		3852
2991	warn "unload completed, starting to reload now";	3853	warn "unload completed, starting to reload now";
2992		3854
2993	warn "reloading cf.pm";	3855	warn "reloading cf.pm";
2994	require cf;	3856	require cf;
2995	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3857	cf::_connect_to_perl_1;
2996		3858
2997	warn "loading config and database again";	3859	warn "loading config and database again";
2998	cf::cfg_load;	3860	cf::reload_config;
2999		3861
3000	warn "loading extensions";	3862	warn "loading extensions";
3001	cf::load_extensions;	3863	cf::load_extensions;
3002		3864
		3865	if ($REATTACH_ON_RELOAD) {
3003	warn "reattaching attachments to objects/players";	3866	warn "reattaching attachments to objects/players";
3004	_global_reattach; # objects, sockets	3867	_global_reattach; # objects, sockets
3005	warn "reattaching attachments to maps";	3868	warn "reattaching attachments to maps";
3006	reattach $_ for values %MAP;	3869	reattach $_ for values %MAP;
3007	warn "reattaching attachments to players";	3870	warn "reattaching attachments to players";
3008	reattach $_ for values %PLAYER;	3871	reattach $_ for values %PLAYER;
		3872	}
3009		3873
		3874	warn "running post_init jobs";
		3875	(pop @POST_INIT)->(1) while @POST_INIT;
		3876
3010	warn "leaving sync_job";	3877	warn "leaving sync_job";
3011		3878
3012	1	3879	1
3013	} or do {	3880	} or do {
3014	warn $@;	3881	warn $@;
3015	warn "error while reloading, exiting.";	3882	cf::cleanup "error while reloading, exiting.";
3016	exit 1;
3017	};	3883	};
3018		3884
3019	warn "reloaded";	3885	warn "reloaded";
		3886	--$RELOAD;
		3887	}
		3888
		3889	$t1 = EV::time - $t1;
		3890	warn "reload completed in ${t1}s\n";
3020	};	3891	};
3021		3892
3022	our $RELOAD_WATCHER; # used only during reload	3893	our $RELOAD_WATCHER; # used only during reload
3023		3894
3024	sub reload_perl() {	3895	sub reload_perl() {
3025	# doing reload synchronously and two reloads happen back-to-back,	3896	# doing reload synchronously and two reloads happen back-to-back,
3026	# coro crashes during coro_state_free->destroy here.	3897	# coro crashes during coro_state_free->destroy here.
3027		3898
3028	$RELOAD_WATCHER ||= Event->timer (	3899	$RELOAD_WATCHER ||= cf::async {
3029	reentrant => 0,	3900	Coro::AIO::aio_wait cache_extensions;
3030	after => 0,	3901
3031	data => WF_AUTOCANCEL,	3902	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3032	cb => sub {
3033	do_reload_perl;	3903	do_reload_perl;
3034	undef $RELOAD_WATCHER;	3904	undef $RELOAD_WATCHER;
3035	},	3905	};
3036	);	3906	};
3037	}	3907	}
3038		3908
3039	register_command "reload" => sub {	3909	register_command "reload" => sub {
3040	my ($who, $arg) = @_;	3910	my ($who, $arg) = @_;
3041		3911
3042	if ($who->flag (FLAG_WIZ)) {	3912	if ($who->flag (FLAG_WIZ)) {
3043	$who->message ("reloading server.");	3913	$who->message ("reloading server.");
		3914	async {
		3915	$Coro::current->{desc} = "perl_reload";
3044	async { reload_perl };	3916	reload_perl;
		3917	};
3045	}	3918	}
3046	};	3919	};
3047		3920
3048	unshift @INC, $LIBDIR;	3921	unshift @INC, $LIBDIR;
3049		3922
…		…
3051		3924
3052	our @WAIT_FOR_TICK;	3925	our @WAIT_FOR_TICK;
3053	our @WAIT_FOR_TICK_BEGIN;	3926	our @WAIT_FOR_TICK_BEGIN;
3054		3927
3055	sub wait_for_tick {	3928	sub wait_for_tick {
3056	return unless $TICK_WATCHER->is_active;
3057	return if $Coro::current == $Coro::main;	3929	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3058		3930
3059	my $signal = new Coro::Signal;	3931	my $signal = new Coro::Signal;
3060	push @WAIT_FOR_TICK, $signal;	3932	push @WAIT_FOR_TICK, $signal;
3061	$signal->wait;	3933	$signal->wait;
3062	}	3934	}
3063		3935
3064	sub wait_for_tick_begin {	3936	sub wait_for_tick_begin {
3065	return unless $TICK_WATCHER->is_active;
3066	return if $Coro::current == $Coro::main;	3937	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3067		3938
3068	my $signal = new Coro::Signal;	3939	my $signal = new Coro::Signal;
3069	push @WAIT_FOR_TICK_BEGIN, $signal;	3940	push @WAIT_FOR_TICK_BEGIN, $signal;
3070	$signal->wait;	3941	$signal->wait;
3071	}	3942	}
3072		3943
3073	my $min = 1e6;#d#	3944	sub tick {
3074	my $avg = 10;
3075	$TICK_WATCHER = Event->timer (
3076	reentrant => 0,
3077	parked => 1,
3078	prio => 0,
3079	at => $NEXT_TICK || $TICK,
3080	data => WF_AUTOCANCEL,
3081	cb => sub {
3082	if ($Coro::current != $Coro::main) {	3945	if ($Coro::current != $Coro::main) {
3083	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3946	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3084	unless ++$bug_warning > 10;	3947	unless ++$bug_warning > 10;
3085	return;	3948	return;
3086	}	3949	}
3087		3950
3088	$NOW = $tick_start = Event::time;
3089
3090	cf::server_tick; # one server iteration	3951	cf::server_tick; # one server iteration
3091		3952
3092	0 && sync_job {#d#	3953	#for(1..3e6){} EV::now_update; $NOW=EV::now; # generate load #d#
3093	for(1..10) {
3094	my $t = Event::time;
3095	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3096	or die;
3097		3954
3098	$map->width (50);	3955	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3099	$map->height (50);	3956	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3100	$map->alloc;	3957	Coro::async_pool {
3101	$map->_load_objects ("/tmp/x.map", 1);	3958	$Coro::current->{desc} = "runtime saver";
3102	my $t = Event::time - $t;	3959	write_runtime_sync
3103		3960	or warn "ERROR: unable to write runtime file: $!";
3104	#next unless $t < 0.0013;#d#
3105	if ($t < $min) {
3106	$min = $t;
3107	}
3108	$avg = $avg * 0.99 + $t * 0.01;
3109	}
3110	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3111	exit 0;
3112	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3113	};	3961	};
		3962	}
3114		3963
3115	$RUNTIME += $TICK;
3116	$NEXT_TICK += $TICK;
3117
3118	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3119	$NEXT_RUNTIME_WRITE = $NOW + 10;
3120	Coro::async_pool {
3121	write_runtime
3122	or warn "ERROR: unable to write runtime file: $!";
3123	};
3124	}
3125
3126	# my $AFTER = Event::time;
3127	# warn $AFTER - $NOW;#d#
3128
3129	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3964	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3130	$sig->send;	3965	$sig->send;
3131	}	3966	}
3132	while (my $sig = shift @WAIT_FOR_TICK) {	3967	while (my $sig = shift @WAIT_FOR_TICK) {
3133	$sig->send;	3968	$sig->send;
3134	}	3969	}
3135		3970
3136	$NOW = Event::time;	3971	$LOAD = ($NOW - $TICK_START) / $TICK;
3137
3138	# if we are delayed by four ticks or more, skip them all
3139	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3140
3141	$TICK_WATCHER->at ($NEXT_TICK);
3142	$TICK_WATCHER->start;
3143
3144	$LOAD = ($NOW - $tick_start) / $TICK;
3145	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3972	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3146		3973
3147	_post_tick;	3974	if (0) {
3148		3975	if ($NEXT_TICK) {
3149		3976	my $jitter = $TICK_START - $NEXT_TICK;
		3977	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3978	warn "jitter $JITTER\n";#d#
		3979	}
3150	},	3980	}
3151	);	3981	}
3152		3982
3153	{	3983	{
3154	BDB::max_poll_time $TICK * 0.1;	3984	# configure BDB
3155	$BDB_POLL_WATCHER = Event->io (	3985
3156	reentrant => 0,
3157	fd => BDB::poll_fileno,
3158	poll => 'r',
3159	prio => 0,
3160	data => WF_AUTOCANCEL,
3161	cb => \&BDB::poll_cb,
3162	);
3163	BDB::min_parallel 8;	3986	BDB::min_parallel 16;
3164		3987	BDB::max_poll_reqs $TICK * 0.1;
3165	BDB::set_sync_prepare {	3988	$AnyEvent::BDB::WATCHER->priority (1);
3166	my $status;
3167	my $current = $Coro::current;
3168	(
3169	sub {
3170	$status = $!;
3171	$current->ready; undef $current;
3172	},
3173	sub {
3174	Coro::schedule while defined $current;
3175	$! = $status;
3176	},
3177	)
3178	};
3179		3989
3180	unless ($DB_ENV) {	3990	unless ($DB_ENV) {
3181	$DB_ENV = BDB::db_env_create;	3991	$DB_ENV = BDB::db_env_create;
		3992	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3993	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3994	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3995	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3996	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3182		3997
3183	cf::sync_job {	3998	cf::sync_job {
3184	eval {	3999	eval {
3185	BDB::db_env_open	4000	BDB::db_env_open
3186	$DB_ENV,	4001	$DB_ENV,
…		…
3188	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4003	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3189	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4004	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3190	0666;	4005	0666;
3191		4006
3192	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4007	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3193
3194	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3195	$DB_ENV->set_lk_detect;
3196	};	4008	};
3197		4009
3198	cf::cleanup "db_env_open(db): $@" if $@;	4010	cf::cleanup "db_env_open(db): $@" if $@;
3199	};	4011	};
3200	}	4012	}
		4013
		4014	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4015	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4016	};
		4017	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4018	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4019	};
		4020	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4021	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4022	};
3201	}	4023	}
3202		4024
3203	{	4025	{
		4026	# configure IO::AIO
		4027
3204	IO::AIO::min_parallel 8;	4028	IO::AIO::min_parallel 8;
3205
3206	undef $Coro::AIO::WATCHER;
3207	IO::AIO::max_poll_time $TICK * 0.1;	4029	IO::AIO::max_poll_time $TICK * 0.1;
3208	$AIO_POLL_WATCHER = Event->io (	4030	undef $AnyEvent::AIO::WATCHER;
3209	reentrant => 0,
3210	data => WF_AUTOCANCEL,
3211	fd => IO::AIO::poll_fileno,
3212	poll => 'r',
3213	prio => 6,
3214	cb => \&IO::AIO::poll_cb,
3215	);
3216	}	4031	}
3217		4032
3218	my $_log_backtrace;	4033	my $_log_backtrace;
3219		4034
3220	sub _log_backtrace {	4035	sub _log_backtrace {
…		…
3223	$msg =~ s/\n//;	4038	$msg =~ s/\n//;
3224		4039
3225	# limit the # of concurrent backtraces	4040	# limit the # of concurrent backtraces
3226	if ($_log_backtrace < 2) {	4041	if ($_log_backtrace < 2) {
3227	++$_log_backtrace;	4042	++$_log_backtrace;
		4043	my $perl_bt = Carp::longmess $msg;
3228	async {	4044	async {
		4045	$Coro::current->{desc} = "abt $msg";
		4046
3229	my @bt = fork_call {	4047	my @bt = fork_call {
3230	@addr = map { sprintf "%x", $_ } @addr;	4048	@addr = map { sprintf "%x", $_ } @addr;
3231	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4049	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3232	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4050	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3233	or die "addr2line: $!";	4051	or die "addr2line: $!";
…		…
3241	}	4059	}
3242		4060
3243	@funcs	4061	@funcs
3244	};	4062	};
3245		4063
3246	LOG llevInfo, "[ABT] $msg\n";	4064	LOG llevInfo, "[ABT] $perl_bt\n";
		4065	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3247	LOG llevInfo, "[ABT] $_\n" for @bt;	4066	LOG llevInfo, "[ABT] $_\n" for @bt;
3248	--$_log_backtrace;	4067	--$_log_backtrace;
3249	};	4068	};
3250	} else {	4069	} else {
3251	LOG llevInfo, "[ABT] $msg\n";	4070	LOG llevInfo, "[ABT] $msg\n";
3252	LOG llevInfo, "[ABT] [suppressed]\n";	4071	LOG llevInfo, "[ABT] [suppressed]\n";
3253	}	4072	}
3254	}	4073	}
3255		4074
3256	# load additional modules	4075	# load additional modules
3257	use cf::pod;	4076	require "cf/$_.pm" for @EXTRA_MODULES;
		4077	cf::_connect_to_perl_2;
3258		4078
3259	END { cf::emergency_save }	4079	END { cf::emergency_save }
3260		4080
3261	1	4081	1
3262		4082

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