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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.273 by root, Mon Jun 4 12:19:08 2007 UTC vs.
Revision 1.479 by root, Thu Oct 8 05:04:27 2009 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your 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 GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict qw(vars subs);
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
		53	use JSON::XS 2.01 ();
25	use BDB ();	54	use BDB ();
26	use Data::Dumper;	55	use Data::Dumper;
27	use Digest::MD5;	56	use Digest::MD5;
28	use Fcntl;	57	use Fcntl;
29	use YAML::Syck ();	58	use YAML ();
30	use IO::AIO 2.32 ();	59	use IO::AIO ();
31	use Time::HiRes;	60	use Time::HiRes;
32	use Compress::LZF;	61	use Compress::LZF;
		62	use Digest::MD5 ();
		63
		64	AnyEvent::detect;
33		65
34	# configure various modules to our taste	66	# configure various modules to our taste
35	#	67	#
36	$Storable::canonical = 1; # reduce rsync transfers	68	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		76
40	$Event::Eval = 1; # no idea why this is required, but it is	77	# strictly for debugging
41		78	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		79
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	80	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		81
49	our %COMMAND = ();	82	our %COMMAND = ();
50	our %COMMAND_TIME = ();	83	our %COMMAND_TIME = ();
51		84
52	our @EXTS = (); # list of extension package names	85	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	86	our %EXTCMD = ();
		87	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	88	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	89	our %EXT_MAP = (); # pluggable maps
56		90
57	our $RELOAD; # number of reloads so far	91	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	92	our @EVENT;
		93	our @REFLECT; # set by XS
		94	our %REFLECT; # set by us
59		95
60	our $CONFDIR = confdir;	96	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	97	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	98	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	99	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	100	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	101	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	102	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	103	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	104	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	105	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	106	our $BDBDIR = "$LOCALDIR/db";
		107	our $PIDFILE = "$LOCALDIR/pid";
		108	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		109
		110	our %RESOURCE;
71		111
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	112	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	113	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	114	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	115	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		116
		117	our $BDB_DEADLOCK_WATCHER;
		118	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	119	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	120	our $DB_ENV;
		121
		122	our @EXTRA_MODULES = qw(pod mapscript);
82		123
83	our %CFG;	124	our %CFG;
84		125
85	our $UPTIME; $UPTIME ||= time;	126	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	127	our $RUNTIME;
		128	our $NOW;
87		129
88	our %PLAYER; # all users	130	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	131	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	132	our $LINK_MAP; # the special {link} map, which is always available
91		133
92	# used to convert map paths into valid unix filenames by replacing / by ∕	134	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	135	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		136
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	137	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	138	our $LOADAVG; # same thing, but with alpha-smoothing
		139	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	140	our $TICK_START; # for load detecting purposes
		141
		142	our @POST_INIT;
		143
		144	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		145	our $REALLY_UNLOOP; # never set to true, please :)
98		146
99	binmode STDOUT;	147	binmode STDOUT;
100	binmode STDERR;	148	binmode STDERR;
101		149
102	# read virtual server time, if available	150	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	151	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	152	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	153	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	154	$RUNTIME = <$fh> + 0.;
107	}	155	}
		156
		157	eval "sub TICK() { $TICK } 1" or die;
108		158
109	mkdir $_	159	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	160	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		161
112	our $EMERGENCY_POSITION;	162	our $EMERGENCY_POSITION;
113		163
114	sub cf::map::normalise;	164	sub cf::map::normalise;
		165
		166	#############################################################################
		167
		168	%REFLECT = ();
		169	for (@REFLECT) {
		170	my $reflect = JSON::XS::decode_json $_;
		171	$REFLECT{$reflect->{class}} = $reflect;
		172	}
115		173
116	#############################################################################	174	#############################################################################
117		175
118	=head2 GLOBAL VARIABLES	176	=head2 GLOBAL VARIABLES
119		177
…		…
155		213
156	The raw value load value from the last tick.	214	The raw value load value from the last tick.
157		215
158	=item %cf::CFG	216	=item %cf::CFG
159		217
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	218	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	219	from wherever your confdir points to.
162		220
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	221	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		222
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	223	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	224	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	225	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		226
		227	=item @cf::INVOKE_RESULTS
		228
		229	This array contains the results of the last C<invoke ()> call. When
		230	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		231	that call.
		232
		233	=item %cf::REFLECT
		234
		235	Contains, for each (C++) class name, a hash reference with information
		236	about object members (methods, scalars and arrays) and other metadata,
		237	which is useful for introspection.
		238
169	=back	239	=back
170		240
171	=cut	241	=cut
172		242
173	BEGIN {	243	$Coro::State::WARNHOOK = sub {
174	*CORE::GLOBAL::warn = sub {
175	my $msg = join "", @_;	244	my $msg = join "", @_;
176		245
177	$msg .= "\n"	246	$msg .= "\n"
178	unless $msg =~ /\n$/;	247	unless $msg =~ /\n$/;
179		248
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	249	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		250
182	utf8::encode $msg;
183	LOG llevError, $msg;	251	LOG llevError, $msg;
184	};	252	};
185	}	253
		254	$Coro::State::DIEHOOK = sub {
		255	return unless $^S eq 0; # "eq", not "=="
		256
		257	warn Carp::longmess $_[0];
		258
		259	if ($Coro::current == $Coro::main) {#d#
		260	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		261	return;#d#
		262	}#d#
		263
		264	# kill coroutine otherwise
		265	Coro::terminate
		266	};
186		267
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	268	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	269	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	270	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	271	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	278	for my $pkg (qw(
198	cf::global cf::attachable	279	cf::global cf::attachable
199	cf::object cf::object::player	280	cf::object cf::object::player
200	cf::client cf::player	281	cf::client cf::player
201	cf::arch cf::living	282	cf::arch cf::living
		283	cf::map cf::mapspace
202	cf::map cf::party cf::region	284	cf::party cf::region
203	)) {	285	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	286	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	287	}
207		288
208	$Event::DIED = sub {	289	$EV::DIED = sub {
209	warn "error in event callback: @_";	290	warn "error in event callback: @_";
210	};	291	};
		292
		293	#############################################################################
211		294
212	=head2 UTILITY FUNCTIONS	295	=head2 UTILITY FUNCTIONS
213		296
214	=over 4	297	=over 4
215		298
…		…
234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	317	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235	$d	318	$d
236	} || "[unable to dump $_[0]: '$@']";	319	} || "[unable to dump $_[0]: '$@']";
237	}	320	}
238		321
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241	=item $ref = cf::from_json $json	322	=item $ref = cf::decode_json $json
242		323
243	Converts a JSON string into the corresponding perl data structure.	324	Converts a JSON string into the corresponding perl data structure.
244		325
245	=item $json = cf::to_json $ref	326	=item $json = cf::encode_json $ref
246		327
247	Converts a perl data structure into its JSON representation.	328	Converts a perl data structure into its JSON representation.
248		329
		330	=cut
		331
		332	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		333
		334	sub encode_json($) { $json_coder->encode ($_[0]) }
		335	sub decode_json($) { $json_coder->decode ($_[0]) }
		336
		337	=item cf::post_init { BLOCK }
		338
		339	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		340	but I<before> the server starts ticking again.
		341
		342	The cdoeblock will have a single boolean argument to indicate whether this
		343	is a reload or not.
		344
		345	=cut
		346
		347	sub post_init(&) {
		348	push @POST_INIT, shift;
		349	}
		350
249	=item cf::lock_wait $string	351	=item cf::lock_wait $string
250		352
251	Wait until the given lock is available. See cf::lock_acquire.	353	Wait until the given lock is available. See cf::lock_acquire.
252		354
253	=item my $lock = cf::lock_acquire $string	355	=item my $lock = cf::lock_acquire $string
254		356
255	Wait until the given lock is available and then acquires it and returns	357	Wait until the given lock is available and then acquires it and returns
256	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	358	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
257	for example when the coroutine gets canceled), the lock is automatically	359	for example when the coroutine gets canceled), the lock is automatically
258	returned.	360	returned.
259		361
		362	Locks are *not* recursive, locking from the same coro twice results in a
		363	deadlocked coro.
		364
260	Lock names should begin with a unique identifier (for example, cf::map::find	365	Lock names should begin with a unique identifier (for example, cf::map::find
261	uses map_find and cf::map::load uses map_load).	366	uses map_find and cf::map::load uses map_load).
262		367
263	=item $locked = cf::lock_active $string	368	=item $locked = cf::lock_active $string
264		369
265	Return true if the lock is currently active, i.e. somebody has locked it.	370	Return true if the lock is currently active, i.e. somebody has locked it.
266		371
267	=cut	372	=cut
268		373
269	our %LOCK;	374	our $LOCKS = new Coro::SemaphoreSet;
270		375
271	sub lock_wait($) {	376	sub lock_wait($) {
272	my ($key) = @_;	377	$LOCKS->wait ($_[0]);
273
274	# wait for lock, if any
275	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;
278	}
279	}	378	}
280		379
281	sub lock_acquire($) {	380	sub lock_acquire($) {
282	my ($key) = @_;	381	$LOCKS->guard ($_[0])
283
284	# wait, to be sure we are not locked
285	lock_wait $key;
286
287	$LOCK{$key} = [];
288
289	Coro::guard {
290	# wake up all waiters, to be on the safe side
291	$_->ready for @{ delete $LOCK{$key} };
292	}
293	}	382	}
294		383
295	sub lock_active($) {	384	sub lock_active($) {
296	my ($key) = @_;	385	$LOCKS->count ($_[0]) < 1
297
298	! ! $LOCK{$key}
299	}	386	}
300		387
301	sub freeze_mainloop {	388	sub freeze_mainloop {
302	return unless $TICK_WATCHER->is_active;	389	tick_inhibit_inc;
303		390
304	my $guard = Coro::guard {	391	&Guard::guard (\&tick_inhibit_dec);
305	$TICK_WATCHER->start;	392	}
		393
		394	=item cf::periodic $interval, $cb
		395
		396	Like EV::periodic, but randomly selects a starting point so that the actions
		397	get spread over timer.
		398
		399	=cut
		400
		401	sub periodic($$) {
		402	my ($interval, $cb) = @_;
		403
		404	my $start = rand List::Util::min 180, $interval;
		405
		406	EV::periodic $start, $interval, 0, $cb
		407	}
		408
		409	=item cf::get_slot $time[, $priority[, $name]]
		410
		411	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		412	This call blocks and returns only when you have at least C<$time> seconds
		413	of cpu time till the next tick. The slot is only valid till the next cede.
		414
		415	The optional C<$name> can be used to identify the job to run. It might be
		416	used for statistical purposes and should identify the same time-class.
		417
		418	Useful for short background jobs.
		419
		420	=cut
		421
		422	our @SLOT_QUEUE;
		423	our $SLOT_QUEUE;
		424
		425	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		426	$SLOT_QUEUE = Coro::async {
		427	$Coro::current->desc ("timeslot manager");
		428
		429	my $signal = new Coro::Signal;
		430
		431	while () {
		432	next_job:
		433	my $avail = cf::till_tick;
		434	if ($avail > 0.01) {
		435	for (0 .. $#SLOT_QUEUE) {
		436	if ($SLOT_QUEUE[$_][0] < $avail) {
		437	my $job = splice @SLOT_QUEUE, $_, 1, ();
		438	$job->[2]->send;
		439	Coro::cede;
		440	goto next_job;
		441	}
		442	}
		443	}
		444
		445	if (@SLOT_QUEUE) {
		446	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		447	push @cf::WAIT_FOR_TICK, $signal;
		448	$signal->wait;
		449	} else {
		450	Coro::schedule;
		451	}
306	};	452	}
307	$TICK_WATCHER->stop;	453	};
308	$guard	454
		455	sub get_slot($;$$) {
		456	return if tick_inhibit || $Coro::current == $Coro::main;
		457
		458	my ($time, $pri, $name) = @_;
		459
		460	$time = $TICK * .6 if $time > $TICK * .6;
		461	my $sig = new Coro::Signal;
		462
		463	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		464	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		465	$SLOT_QUEUE->ready;
		466	$sig->wait;
309	}	467	}
310		468
311	=item cf::async { BLOCK }	469	=item cf::async { BLOCK }
312		470
313	Currently the same as Coro::async_pool, meaning you cannot use	471	Currently the same as Coro::async_pool, meaning you cannot use
…		…
318		476
319	BEGIN { *async = \&Coro::async_pool }	477	BEGIN { *async = \&Coro::async_pool }
320		478
321	=item cf::sync_job { BLOCK }	479	=item cf::sync_job { BLOCK }
322		480
323	The design of crossfire+ requires that the main coro ($Coro::main) is	481	The design of Deliantra requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	482	is always able to handle events or runnable, as Deliantra is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	483	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		484	acceptable.
326		485
327	If it must be done, put the blocking parts into C<sync_job>. This will run	486	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	487	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	488	server will be frozen during this time, so the block should either finish
330	fast or be very important.	489	fast or be very important.
…		…
333		492
334	sub sync_job(&) {	493	sub sync_job(&) {
335	my ($job) = @_;	494	my ($job) = @_;
336		495
337	if ($Coro::current == $Coro::main) {	496	if ($Coro::current == $Coro::main) {
338	my $time = Event::time;	497	my $time = EV::time;
339		498
340	# this is the main coro, too bad, we have to block	499	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	500	# till the operation succeeds, freezing the server :/
342		501
343	# TODO: use suspend/resume instead	502	LOG llevError, Carp::longmess "sync job";#d#
344	# (but this is cancel-safe)	503
345	my $freeze_guard = freeze_mainloop;	504	my $freeze_guard = freeze_mainloop;
346		505
347	my $busy = 1;	506	my $busy = 1;
348	my @res;	507	my @res;
349		508
350	(async {	509	(async {
		510	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	511	@res = eval { $job->() };
352	warn $@ if $@;	512	warn $@ if $@;
353	undef $busy;	513	undef $busy;
354	})->prio (Coro::PRIO_MAX);	514	})->prio (Coro::PRIO_MAX);
355		515
356	while ($busy) {	516	while ($busy) {
357	Coro::cede or Event::one_event;	517	if (Coro::nready) {
		518	Coro::cede_notself;
		519	} else {
		520	EV::loop EV::LOOP_ONESHOT;
358	}	521	}
		522	}
359		523
360	$time = Event::time - $time;	524	my $time = EV::time - $time;
361		525
362	LOG llevError | logBacktrace, Carp::longmess "long sync job"
363	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
364
365	$tick_start += $time; # do not account sync jobs to server load	526	$TICK_START += $time; # do not account sync jobs to server load
366		527
367	wantarray ? @res : $res[0]	528	wantarray ? @res : $res[0]
368	} else {	529	} else {
369	# we are in another coroutine, how wonderful, everything just works	530	# we are in another coroutine, how wonderful, everything just works
370		531
…		…
390	$EXT_CORO{$coro+0} = $coro;	551	$EXT_CORO{$coro+0} = $coro;
391		552
392	$coro	553	$coro
393	}	554	}
394		555
395	sub write_runtime {	556	=item fork_call { }, $args
396	my $runtime = "$LOCALDIR/runtime";
397		557
398	# first touch the runtime file to show we are still running:	558	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	559	process, returning the results. Everything must be serialisable with
		560	Coro::Storable. May, of course, block. Note that the executed sub may
		561	never block itself or use any form of event handling.
400		562
401	IO::AIO::aio_utime $runtime, undef, undef;	563	=cut
402		564
403	my $guard = cf::lock_acquire "write_runtime";	565	sub fork_call(&@) {
		566	my ($cb, @args) = @_;
404		567
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	568	# we seemingly have to make a local copy of the whole thing,
406	or return;	569	# otherwise perl prematurely frees the stuff :/
		570	# TODO: investigate and fix (likely this will be rather laborious)
407		571
408	my $value = $cf::RUNTIME + 90 + 10;	572	my @res = Coro::Util::fork_eval {
409	# 10 is the runtime save interval, for a monotonic clock	573	reset_signals;
410	# 60 allows for the watchdog to kill the server.	574	&$cb
		575	}, @args;
411		576
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	577	wantarray ? @res : $res[-1]
413	and return;	578	}
414		579
415	# always fsync - this file is important	580	=item $coin = coin_from_name $name
416	aio_fsync $fh
417	and return;
418		581
419	# touch it again to show we are up-to-date	582	=cut
420	aio_utime $fh, undef, undef;
421		583
422	close $fh	584	our %coin_alias = (
423	or return;	585	"silver" => "silvercoin",
		586	"silvercoin" => "silvercoin",
		587	"silvercoins" => "silvercoin",
		588	"gold" => "goldcoin",
		589	"goldcoin" => "goldcoin",
		590	"goldcoins" => "goldcoin",
		591	"platinum" => "platinacoin",
		592	"platinumcoin" => "platinacoin",
		593	"platinumcoins" => "platinacoin",
		594	"platina" => "platinacoin",
		595	"platinacoin" => "platinacoin",
		596	"platinacoins" => "platinacoin",
		597	"royalty" => "royalty",
		598	"royalties" => "royalty",
		599	);
424		600
425	aio_rename "$runtime~", $runtime	601	sub coin_from_name($) {
426	and return;	602	$coin_alias{$_[0]}
		603	? cf::arch::find $coin_alias{$_[0]}
		604	: undef
		605	}
427		606
428	warn "runtime file written.\n";#d#	607	=item $value = cf::db_get $family => $key
429		608
		609	Returns a single value from the environment database.
		610
		611	=item cf::db_put $family => $key => $value
		612
		613	Stores the given C<$value> in the family. It can currently store binary
		614	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		615
		616	=item $db = cf::db_table "name"
		617
		618	Create and/or open a new database table. The string must not be "db" and must be unique
		619	within each server.
		620
		621	=cut
		622
		623	sub db_table($) {
		624	my ($name) = @_;
		625	my $db = BDB::db_create $DB_ENV;
		626
		627	eval {
		628	$db->set_flags (BDB::CHKSUM);
		629
		630	utf8::encode $name;
		631	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		632	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		633	cf::cleanup "db_open(db): $!" if $!;
		634	};
		635	cf::cleanup "db_open(db): $@" if $@;
		636
		637	$db
		638	}
		639
		640	our $DB;
		641
		642	sub db_init {
		643	cf::sync_job {
		644	$DB ||= db_table "db";
		645	};
		646	}
		647
		648	sub db_get($$) {
		649	my $key = "$_[0]/$_[1]";
		650
		651	cf::sync_job {
		652	BDB::db_get $DB, undef, $key, my $data;
		653
		654	$! ? ()
		655	: $data
430	1	656	}
		657	}
		658
		659	sub db_put($$$) {
		660	BDB::dbreq_pri 4;
		661	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		662	}
		663
		664	=item cf::cache $id => [$paths...], $processversion => $process
		665
		666	Generic caching function that returns the value of the resource $id,
		667	caching and regenerating as required.
		668
		669	This function can block.
		670
		671	=cut
		672
		673	sub cache {
		674	my ($id, $src, $processversion, $process) = @_;
		675
		676	my $meta =
		677	join "\x00",
		678	$processversion,
		679	map {
		680	aio_stat $_
		681	and Carp::croak "$_: $!";
		682
		683	($_, (stat _)[7,9])
		684	} @$src;
		685
		686	my $dbmeta = db_get cache => "$id/meta";
		687	if ($dbmeta ne $meta) {
		688	# changed, we may need to process
		689
		690	my @data;
		691	my $md5;
		692
		693	for (0 .. $#$src) {
		694	0 <= aio_load $src->[$_], $data[$_]
		695	or Carp::croak "$src->[$_]: $!";
		696	}
		697
		698	# if processing is expensive, check
		699	# checksum first
		700	if (1) {
		701	$md5 =
		702	join "\x00",
		703	$processversion,
		704	map {
		705	cf::cede_to_tick;
		706	($src->[$_], Digest::MD5::md5_hex $data[$_])
		707	} 0.. $#$src;
		708
		709
		710	my $dbmd5 = db_get cache => "$id/md5";
		711	if ($dbmd5 eq $md5) {
		712	db_put cache => "$id/meta", $meta;
		713
		714	return db_get cache => "$id/data";
		715	}
		716	}
		717
		718	my $t1 = Time::HiRes::time;
		719	my $data = $process->(\@data);
		720	my $t2 = Time::HiRes::time;
		721
		722	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		723
		724	db_put cache => "$id/data", $data;
		725	db_put cache => "$id/md5" , $md5;
		726	db_put cache => "$id/meta", $meta;
		727
		728	return $data;
		729	}
		730
		731	db_get cache => "$id/data"
431	}	732	}
432		733
433	=item cf::datalog type => key => value, ...	734	=item cf::datalog type => key => value, ...
434		735
435	Log a datalog packet of the given type with the given key-value pairs.	736	Log a datalog packet of the given type with the given key-value pairs.
…		…
447		748
448	#############################################################################	749	#############################################################################
449		750
450	=head2 ATTACHABLE OBJECTS	751	=head2 ATTACHABLE OBJECTS
451		752
452	Many objects in crossfire are so-called attachable objects. That means you can	753	Many objects in deliantra are so-called attachable objects. That means you can
453	attach callbacks/event handlers (a collection of which is called an "attachment")	754	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	755	to it. All such attachable objects support the following methods.
455		756
456	In the following description, CLASS can be any of C<global>, C<object>	757	In the following description, CLASS can be any of C<global>, C<object>
457	C<player>, C<client> or C<map> (i.e. the attachable objects in	758	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	759	Deliantra).
459		760
460	=over 4	761	=over 4
461		762
462	=item $attachable->attach ($attachment, key => $value...)	763	=item $attachable->attach ($attachment, key => $value...)
463		764
…		…
507	=item cf::CLASS::attachment $name, ...	808	=item cf::CLASS::attachment $name, ...
508		809
509	Register an attachment by C<$name> through which attachable objects of the	810	Register an attachment by C<$name> through which attachable objects of the
510	given CLASS can refer to this attachment.	811	given CLASS can refer to this attachment.
511		812
512	Some classes such as crossfire maps and objects can specify attachments	813	Some classes such as deliantra maps and objects can specify attachments
513	that are attached at load/instantiate time, thus the need for a name.	814	that are attached at load/instantiate time, thus the need for a name.
514		815
515	These calls expect any number of the following handler/hook descriptions:	816	These calls expect any number of the following handler/hook descriptions:
516		817
517	=over 4	818	=over 4
…		…
665	_attach $registry, $klass, @attach;	966	_attach $registry, $klass, @attach;
666	}	967	}
667		968
668	$obj->{$name} = \%arg;	969	$obj->{$name} = \%arg;
669	} else {	970	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	971	warn "object uses attachment '$name' which is not available, postponing.\n";
671	}	972	}
672		973
673	$obj->{_attachment}{$name} = undef;	974	$obj->{_attachment}{$name} = undef;
674	}	975	}
675		976
…		…
715	";	1016	";
716	die if $@;	1017	die if $@;
717	}	1018	}
718		1019
719	our $override;	1020	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1021	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		1022
722	sub override {	1023	sub override {
723	$override = 1;	1024	$override = 1;
724	@invoke_results = ();	1025	@INVOKE_RESULTS = (@_);
725	}	1026	}
726		1027
727	sub do_invoke {	1028	sub do_invoke {
728	my $event = shift;	1029	my $event = shift;
729	my $callbacks = shift;	1030	my $callbacks = shift;
730		1031
731	@invoke_results = ();	1032	@INVOKE_RESULTS = ();
732		1033
733	local $override;	1034	local $override;
734		1035
735	for (@$callbacks) {	1036	for (@$callbacks) {
736	eval { &{$_->[1]} };	1037	eval { &{$_->[1]} };
…		…
745	}	1046	}
746		1047
747	0	1048	0
748	}	1049	}
749		1050
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1051	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1052
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1053	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1054
754	Generate an object-specific event with the given arguments.	1055	Generate an object-specific event with the given arguments.
755		1056
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1057	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757	removed in future versions), and there is no public API to access override	1058	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	1059	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1060
760	=back	1061	=back
761		1062
762	=cut	1063	=cut
763		1064
764	#############################################################################	1065	#############################################################################
765	# object support	1066	# object support
		1067
		1068	sub _object_equal($$);
		1069	sub _object_equal($$) {
		1070	my ($a, $b) = @_;
		1071
		1072	return 0 unless (ref $a) eq (ref $b);
		1073
		1074	if ("HASH" eq ref $a) {
		1075	my @ka = keys %$a;
		1076	my @kb = keys %$b;
		1077
		1078	return 0 if @ka != @kb;
		1079
		1080	for (0 .. $#ka) {
		1081	return 0 unless $ka[$_] eq $kb[$_];
		1082	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1083	}
		1084
		1085	} elsif ("ARRAY" eq ref $a) {
		1086
		1087	return 0 if @$a != @$b;
		1088
		1089	for (0 .. $#$a) {
		1090	return 0 unless _object_equal $a->[$_], $b->[$_];
		1091	}
		1092
		1093	} elsif ($a ne $b) {
		1094	return 0;
		1095	}
		1096
		1097	1
		1098	}
		1099
		1100	our $SLOW_MERGES;#d#
		1101	sub _can_merge {
		1102	my ($ob1, $ob2) = @_;
		1103
		1104	++$SLOW_MERGES;#d#
		1105
		1106	# we do the slow way here
		1107	return _object_equal $ob1, $ob2
		1108	}
766		1109
767	sub reattach {	1110	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1111	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1112	my ($obj) = @_;
770		1113
		1114	# no longer needed after getting rid of delete_package?
771	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1115	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772		1116
773	my $registry = $obj->registry;	1117	my $registry = $obj->registry;
774		1118
775	@$registry = ();	1119	@$registry = ();
776		1120
…		…
791	cf::attachable->attach (	1135	cf::attachable->attach (
792	prio => -1000000,	1136	prio => -1000000,
793	on_instantiate => sub {	1137	on_instantiate => sub {
794	my ($obj, $data) = @_;	1138	my ($obj, $data) = @_;
795		1139
796	$data = from_json $data;	1140	$data = decode_json $data;
797		1141
798	for (@$data) {	1142	for (@$data) {
799	my ($name, $args) = @$_;	1143	my ($name, $args) = @$_;
800		1144
801	$obj->attach ($name, %{$args || {} });	1145	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1161	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1162	my ($filename, $rdata, $objs) = @_;
819		1163
820	sync_job {	1164	sync_job {
821	if (length $$rdata) {	1165	if (length $$rdata) {
		1166	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1167	warn sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1168	$decname, length $$rdata, scalar @$objs;
824		1169
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1170	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1171	aio_chmod $fh, SAVE_MODE;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1172	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1173	if ($cf::USE_FSYNC) {
		1174	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;
		1175	aio_fsync $fh;
		1176	}
829	close $fh;	1177	aio_close $fh;
830		1178
831	if (@$objs) {	1179	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1180	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1181	aio_chmod $fh, SAVE_MODE;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1182	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1183	aio_write $fh, 0, (length $data), $data, 0;
836	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	}
837	close $fh;	1188	aio_close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1189	aio_rename "$filename.pst~", "$filename.pst";
839	}	1190	}
840	} else {	1191	} else {
841	aio_unlink "$filename.pst";	1192	aio_unlink "$filename.pst";
842	}	1193	}
843		1194
844	aio_rename "$filename~", $filename;	1195	aio_rename "$filename~", $filename;
		1196
		1197	$filename =~ s%/[^/]+$%%;
		1198	aio_pathsync $filename if $cf::USE_FSYNC;
845	} else {	1199	} else {
846	warn "FATAL: $filename~: $!\n";	1200	warn "unable to save objects: $filename~: $!\n";
847	}	1201	}
848	} else {	1202	} else {
849	aio_unlink $filename;	1203	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1204	aio_unlink "$filename.pst";
851	}	1205	}
852	}	1206	};
853	}	1207	}
854		1208
855	sub object_freezer_as_string {	1209	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1210	my ($rdata, $objs) = @_;
857		1211
…		…
869	or return;	1223	or return;
870		1224
871	unless (aio_stat "$filename.pst") {	1225	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1226	(aio_load "$filename.pst", $av) >= 0
873	or return;	1227	or return;
		1228
874	$av = eval { (Storable::thaw $av)->{objs} };	1229	my $st = eval { Coro::Storable::thaw $av };
		1230	$av = $st->{objs};
875	}	1231	}
876		1232
		1233	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1234	warn sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};#d#	1235	$decname, length $data, scalar @{$av || []};
		1236
879	return ($data, $av);	1237	($data, $av)
880	}	1238	}
		1239
		1240	=head2 COMMAND CALLBACKS
		1241
		1242	=over 4
		1243
		1244	=cut
881		1245
882	#############################################################################	1246	#############################################################################
883	# command handling &c	1247	# command handling &c
884		1248
885	=item cf::register_command $name => \&callback($ob,$args);	1249	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1262	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1263	}
900		1264
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1265	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1266
903	Register a callbackf ro execution when the client sends an extcmd packet.	1267	Register a callback for execution when the client sends an (synchronous)
		1268	extcmd packet. Ext commands will be processed in the order they are
		1269	received by the server, like other user commands. The first argument is
		1270	the logged-in player. Ext commands can only be processed after a player
		1271	has logged in successfully.
904		1272
905	If the callback returns something, it is sent back as if reply was being	1273	If the callback returns something, it is sent back as if reply was being
906	called.	1274	called.
907		1275
		1276	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1277
		1278	Register a callback for execution when the client sends an (asynchronous)
		1279	exticmd packet. Exti commands are processed by the server as soon as they
		1280	are received, i.e. out of order w.r.t. other commands. The first argument
		1281	is a client socket. Exti commands can be received anytime, even before
		1282	log-in.
		1283
		1284	If the callback returns something, it is sent back as if reply was being
		1285	called.
		1286
908	=cut	1287	=cut
909		1288
910	sub register_extcmd {	1289	sub register_extcmd {
911	my ($name, $cb) = @_;	1290	my ($name, $cb) = @_;
912		1291
913	$EXTCMD{$name} = $cb;	1292	$EXTCMD{$name} = $cb;
914	}	1293	}
		1294
		1295	sub register_exticmd {
		1296	my ($name, $cb) = @_;
		1297
		1298	$EXTICMD{$name} = $cb;
		1299	}
		1300
		1301	use File::Glob ();
915		1302
916	cf::player->attach (	1303	cf::player->attach (
917	on_command => sub {	1304	on_command => sub {
918	my ($pl, $name, $params) = @_;	1305	my ($pl, $name, $params) = @_;
919		1306
…		…
927	cf::override;	1314	cf::override;
928	},	1315	},
929	on_extcmd => sub {	1316	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1317	my ($pl, $buf) = @_;
931		1318
932	my $msg = eval { from_json $buf };	1319	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1320
934	if (ref $msg) {	1321	if (ref $msg) {
		1322	my ($type, $reply, @payload) =
		1323	"ARRAY" eq ref $msg
		1324	? @$msg
		1325	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1326
		1327	my @reply;
		1328
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1329	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1330	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1331	}
		1332
		1333	$pl->ext_reply ($reply, @reply)
		1334	if $reply;
		1335
940	} else {	1336	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1337	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1338	}
943		1339
944	cf::override;	1340	cf::override;
945	},	1341	},
946	);	1342	);
947		1343
		1344	# "readahead" all extensions
948	sub load_extension {	1345	sub cache_extensions {
949	my ($path) = @_;	1346	my $grp = IO::AIO::aio_group;
950		1347
951	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1348	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
952	my $base = $1;	1349	for (grep /\.ext$/, @{$_[0]}) {
953	my $pkg = $1;	1350	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
954	$pkg =~ s/[^[:word:]]/_/g;
955	$pkg = "ext::$pkg";
956
957	warn "... loading '$path' into '$pkg'\n";
958
959	open my $fh, "<:utf8", $path
960	or die "$path: $!";
961
962	my $source =
963	"package $pkg; use strict; use utf8;\n"
964	. "#line 1 \"$path\"\n{\n"
965	. (do { local $/; <$fh> })
966	. "\n};\n1";
967
968	unless (eval $source) {
969	my $msg = $@ ? "$path: $@\n"
970	: "extension disabled.\n";
971	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
972	warn $@;
973	warn "mandatory extension failed to load, exiting.\n";
974	exit 1;
975	}	1351	}
976	die $@;
977	}	1352	};
978		1353
979	push @EXTS, $pkg;	1354	$grp
980	}	1355	}
981		1356
982	sub load_extensions {	1357	sub load_extensions {
		1358	cf::sync_job {
		1359	my %todo;
		1360
983	for my $ext (<$LIBDIR/*.ext>) {	1361	for my $path (<$LIBDIR/*.ext>) {
984	next unless -r $ext;	1362	next unless -r $path;
985	eval {	1363
986	load_extension $ext;	1364	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1365	my $base = $1;
		1366	my $pkg = $1;
		1367	$pkg =~ s/[^[:word:]]/_/g;
		1368	$pkg = "ext::$pkg";
		1369
		1370	open my $fh, "<:utf8", $path
		1371	or die "$path: $!";
		1372
		1373	my $source = do { local $/; <$fh> };
		1374
		1375	my %ext = (
		1376	path => $path,
		1377	base => $base,
		1378	pkg => $pkg,
		1379	);
		1380
		1381	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1382	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1383
		1384	$ext{source} =
		1385	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1386	. "#line 1 \"$path\"\n{\n"
		1387	. $source
		1388	. "\n};\n1";
		1389
		1390	$todo{$base} = \%ext;
		1391	}
		1392
		1393	my %done;
		1394	while (%todo) {
		1395	my $progress;
		1396
		1397	while (my ($k, $v) = each %todo) {
		1398	for (split /,\s*/, $v->{meta}{depends}) {
		1399	goto skip
		1400	unless exists $done{$_};
		1401	}
		1402
		1403	warn "... loading '$k' into '$v->{pkg}'\n";
		1404
		1405	unless (eval $v->{source}) {
		1406	my $msg = $@ ? "$v->{path}: $@\n"
		1407	: "$v->{base}: extension inactive.\n";
		1408
		1409	if (exists $v->{meta}{mandatory}) {
		1410	warn $msg;
		1411	cf::cleanup "mandatory extension failed to load, exiting.";
		1412	}
		1413
		1414	warn $msg;
		1415	}
		1416
		1417	$done{$k} = delete $todo{$k};
		1418	push @EXTS, $v->{pkg};
		1419	$progress = 1;
987	1	1420	}
988	} or warn "$ext not loaded: $@";	1421
		1422	skip:
		1423	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1424	unless $progress;
		1425	}
989	}	1426	};
990	}	1427	}
991		1428
992	#############################################################################	1429	#############################################################################
993		1430
		1431	=back
		1432
994	=head2 CORE EXTENSIONS	1433	=head2 CORE EXTENSIONS
995		1434
996	Functions and methods that extend core crossfire objects.	1435	Functions and methods that extend core deliantra objects.
997		1436
998	=cut	1437	=cut
999		1438
1000	package cf::player;	1439	package cf::player;
1001		1440
1002	use Coro::AIO;	1441	use Coro::AIO;
1003		1442
1004	=head3 cf::player	1443	=head3 cf::player
1005		1444
1006	=over 4	1445	=over 4
		1446
		1447	=item cf::player::num_playing
		1448
		1449	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1450
		1451	=cut
		1452
		1453	sub num_playing {
		1454	scalar grep
		1455	$_->ob->map
		1456	&& !$_->hidden
		1457	&& !$_->ob->flag (cf::FLAG_WIZ),
		1458	cf::player::list
		1459	}
1007		1460
1008	=item cf::player::find $login	1461	=item cf::player::find $login
1009		1462
1010	Returns the given player object, loading it if necessary (might block).	1463	Returns the given player object, loading it if necessary (might block).
1011		1464
…		…
1030		1483
1031	sub exists($) {	1484	sub exists($) {
1032	my ($login) = @_;	1485	my ($login) = @_;
1033		1486
1034	$cf::PLAYER{$login}	1487	$cf::PLAYER{$login}
1035	or cf::sync_job { !aio_stat path $login }	1488	or !aio_stat path $login
1036	}	1489	}
1037		1490
1038	sub find($) {	1491	sub find($) {
1039	return $cf::PLAYER{$_[0]} || do {	1492	return $cf::PLAYER{$_[0]} || do {
1040	my $login = $_[0];	1493	my $login = $_[0];
…		…
1047	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1500	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1048	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1501	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1049	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1502	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1050	aio_unlink +(playerdir $login) . "/$login.pl";	1503	aio_unlink +(playerdir $login) . "/$login.pl";
1051		1504
1052	my $pl = load_pl path $login	1505	my $f = new_from_file cf::object::thawer path $login
1053	or return;	1506	or return;
		1507
		1508	my $pl = cf::player::load_pl $f
		1509	or return;
		1510
		1511	local $cf::PLAYER_LOADING{$login} = $pl;
		1512	$f->resolve_delayed_derefs;
1054	$cf::PLAYER{$login} = $pl	1513	$cf::PLAYER{$login} = $pl
1055	}	1514	}
1056	}	1515	}
1057	}	1516	}
1058		1517
…		…
1067	return if $pl->{deny_save};	1526	return if $pl->{deny_save};
1068		1527
1069	aio_mkdir playerdir $pl, 0770;	1528	aio_mkdir playerdir $pl, 0770;
1070	$pl->{last_save} = $cf::RUNTIME;	1529	$pl->{last_save} = $cf::RUNTIME;
1071		1530
		1531	cf::get_slot 0.01;
		1532
1072	$pl->save_pl ($path);	1533	$pl->save_pl ($path);
1073	Coro::cede;	1534	cf::cede_to_tick;
1074	}	1535	}
1075		1536
1076	sub new($) {	1537	sub new($) {
1077	my ($login) = @_;	1538	my ($login) = @_;
1078		1539
…		…
1084	$cf::PLAYER{$login} = $self;	1545	$cf::PLAYER{$login} = $self;
1085		1546
1086	$self	1547	$self
1087	}	1548	}
1088		1549
		1550	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1551
		1552	=cut
		1553
		1554	sub send_msg {
		1555	my $ns = shift->ns
		1556	or return;
		1557	$ns->send_msg (@_);
		1558	}
		1559
1089	=item $pl->quit_character	1560	=item $pl->quit_character
1090		1561
1091	Nukes the player without looking back. If logged in, the connection will	1562	Nukes the player without looking back. If logged in, the connection will
1092	be destroyed. May block for a long time.	1563	be destroyed. May block for a long time.
1093		1564
…		…
1097	my ($pl) = @_;	1568	my ($pl) = @_;
1098		1569
1099	my $name = $pl->ob->name;	1570	my $name = $pl->ob->name;
1100		1571
1101	$pl->{deny_save} = 1;	1572	$pl->{deny_save} = 1;
1102	$pl->password ("*"); # this should lock out the player until we nuked the dir	1573	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1103		1574
1104	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1575	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1105	$pl->deactivate;	1576	$pl->deactivate;
		1577	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1578	$pl->ob->check_score;
1106	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1579	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1107	$pl->ns->destroy if $pl->ns;	1580	$pl->ns->destroy if $pl->ns;
1108		1581
1109	my $path = playerdir $pl;	1582	my $path = playerdir $pl;
1110	my $temp = "$path~$cf::RUNTIME~deleting~";	1583	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1146	or return [];	1619	or return [];
1147		1620
1148	my @logins;	1621	my @logins;
1149		1622
1150	for my $login (@$dirs) {	1623	for my $login (@$dirs) {
		1624	my $path = path $login;
		1625
		1626	# a .pst is a dead give-away for a valid player
		1627	# if no pst file found, open and chekc for blocked users
		1628	if (aio_stat "$path.pst") {
1151	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1629	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1152	aio_read $fh, 0, 512, my $buf, 0 or next;	1630	aio_read $fh, 0, 512, my $buf, 0 or next;
1153	$buf !~ /^password -------------$/m or next; # official not-valid tag	1631	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1632	}
1154		1633
1155	utf8::decode $login;	1634	utf8::decode $login;
1156	push @logins, $login;	1635	push @logins, $login;
1157	}	1636	}
1158		1637
…		…
1185	}	1664	}
1186		1665
1187	\@paths	1666	\@paths
1188	}	1667	}
1189		1668
		1669	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1670
		1671	Expand deliantra pod fragments into protocol xml.
		1672
1190	=item $player->ext_reply ($msgid, %msg)	1673	=item $player->ext_reply ($msgid, @msg)
1191		1674
1192	Sends an ext reply to the player.	1675	Sends an ext reply to the player.
1193		1676
1194	=cut	1677	=cut
1195		1678
1196	sub ext_reply($$%) {	1679	sub ext_reply($$@) {
1197	my ($self, $id, %msg) = @_;	1680	my ($self, $id, @msg) = @_;
1198		1681
1199	$msg{msgid} = $id;	1682	$self->ns->ext_reply ($id, @msg)
1200
1201	$self->send ("ext " . cf::to_json \%msg);
1202	}	1683	}
1203		1684
1204	=item $player->ext_event ($type, %msg)	1685	=item $player->ext_msg ($type, @msg)
1205		1686
1206	Sends an ext event to the client.	1687	Sends an ext event to the client.
1207		1688
1208	=cut	1689	=cut
1209		1690
1210	sub ext_event($$%) {	1691	sub ext_msg($$@) {
1211	my ($self, $type, %msg) = @_;	1692	my ($self, $type, @msg) = @_;
1212		1693
1213	$self->ns->ext_event ($type, %msg);	1694	$self->ns->ext_msg ($type, @msg);
1214	}	1695	}
1215		1696
1216	=head3 cf::region	1697	=head3 cf::region
1217		1698
1218	=over 4	1699	=over 4
…		…
1221		1702
1222	package cf::region;	1703	package cf::region;
1223		1704
1224	=item cf::region::find_by_path $path	1705	=item cf::region::find_by_path $path
1225		1706
1226	Tries to decuce the probable region for a map knowing only its path.	1707	Tries to decuce the likely region for a map knowing only its path.
1227		1708
1228	=cut	1709	=cut
1229		1710
1230	sub find_by_path($) {	1711	sub find_by_path($) {
1231	my ($path) = @_;	1712	my ($path) = @_;
1232		1713
1233	my ($match, $specificity);	1714	my ($match, $specificity);
1234		1715
1235	for my $region (list) {	1716	for my $region (list) {
1236	if ($region->match && $path =~ $region->match) {	1717	if ($region->{match} && $path =~ $region->{match}) {
1237	($match, $specificity) = ($region, $region->specificity)	1718	($match, $specificity) = ($region, $region->specificity)
1238	if $region->specificity > $specificity;	1719	if $region->specificity > $specificity;
1239	}	1720	}
1240	}	1721	}
1241		1722
…		…
1262	our $MAX_RESET = 3600;	1743	our $MAX_RESET = 3600;
1263	our $DEFAULT_RESET = 3000;	1744	our $DEFAULT_RESET = 3000;
1264		1745
1265	sub generate_random_map {	1746	sub generate_random_map {
1266	my ($self, $rmp) = @_;	1747	my ($self, $rmp) = @_;
		1748
		1749	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1750
1267	# mit "rum" bekleckern, nicht	1751	# mit "rum" bekleckern, nicht
1268	$self->_create_random_map (	1752	$self->_create_random_map (
1269	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1753	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1270	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1754	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1271	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1755	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1305	my ($self, $merge) = @_;	1789	my ($self, $merge) = @_;
1306		1790
1307	# we have to keep some variables in memory intact	1791	# we have to keep some variables in memory intact
1308	local $self->{path};	1792	local $self->{path};
1309	local $self->{load_path};	1793	local $self->{load_path};
1310	local $self->{deny_save};
1311	local $self->{deny_reset};
1312		1794
1313	$self->SUPER::thawer_merge ($merge);	1795	$self->SUPER::thawer_merge ($merge);
1314	}	1796	}
1315		1797
1316	sub normalise {	1798	sub normalise {
…		…
1363	$self->init; # pass $1 etc.	1845	$self->init; # pass $1 etc.
1364	return $self;	1846	return $self;
1365	}	1847	}
1366	}	1848	}
1367		1849
1368	Carp::carp "unable to resolve path '$path' (base '$base').";	1850	Carp::cluck "unable to resolve path '$path' (base '$base').";
1369	()	1851	()
1370	}	1852	}
1371		1853
1372	sub init {	1854	sub init {
1373	my ($self) = @_;	1855	my ($self) = @_;
…		…
1395		1877
1396	# the temporary/swap location	1878	# the temporary/swap location
1397	sub save_path {	1879	sub save_path {
1398	my ($self) = @_;	1880	my ($self) = @_;
1399		1881
1400	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1882	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1401	"$TMPDIR/$path.map"	1883	"$TMPDIR/$path.map"
1402	}	1884	}
1403		1885
1404	# the unique path, undef == no special unique path	1886	# the unique path, undef == no special unique path
1405	sub uniq_path {	1887	sub uniq_path {
1406	my ($self) = @_;	1888	my ($self) = @_;
1407		1889
1408	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1890	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1409	"$UNIQUEDIR/$path"	1891	"$UNIQUEDIR/$path"
1410	}	1892	}
1411		1893
1412	# and all this just because we cannot iterate over	1894	sub decay_objects {
1413	# all maps in C++...
1414	sub change_all_map_light {
1415	my ($change) = @_;	1895	my ($self) = @_;
1416		1896
1417	$_->change_map_light ($change)	1897	return if $self->{deny_reset};
1418	for grep $_->outdoor, values %cf::MAP;	1898
		1899	$self->do_decay_objects;
1419	}	1900	}
1420		1901
1421	sub unlink_save {	1902	sub unlink_save {
1422	my ($self) = @_;	1903	my ($self) = @_;
1423		1904
…		…
1428		1909
1429	sub load_header_from($) {	1910	sub load_header_from($) {
1430	my ($self, $path) = @_;	1911	my ($self, $path) = @_;
1431		1912
1432	utf8::encode $path;	1913	utf8::encode $path;
1433	#aio_open $path, O_RDONLY, 0	1914	my $f = new_from_file cf::object::thawer $path
1434	# or return;
1435
1436	$self->_load_header ($path)
1437	or return;	1915	or return;
		1916
		1917	$self->_load_header ($f)
		1918	or return;
		1919
		1920	local $MAP_LOADING{$self->{path}} = $self;
		1921	$f->resolve_delayed_derefs;
1438		1922
1439	$self->{load_path} = $path;	1923	$self->{load_path} = $path;
1440		1924
1441	1	1925	1
1442	}	1926	}
…		…
1481	$self->load_header_orig	1965	$self->load_header_orig
1482	or return;	1966	or return;
1483	$self->prepare_orig;	1967	$self->prepare_orig;
1484	}	1968	}
1485		1969
		1970	$self->{deny_reset} = 1
		1971	if $self->no_reset;
		1972
1486	$self->default_region (cf::region::find_by_path $self->{path})	1973	$self->default_region (cf::region::find_by_path $self->{path})
1487	unless $self->default_region;	1974	unless $self->default_region;
1488		1975
1489	1	1976	1
1490	}	1977	}
…		…
1493	sub find {	1980	sub find {
1494	my ($path, $origin) = @_;	1981	my ($path, $origin) = @_;
1495		1982
1496	$path = normalise $path, $origin && $origin->path;	1983	$path = normalise $path, $origin && $origin->path;
1497		1984
		1985	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1498	cf::lock_wait "map_find:$path";	1986	my $guard2 = cf::lock_acquire "map_find:$path";
1499		1987
1500	$cf::MAP{$path} || do {	1988	$cf::MAP{$path} || do {
1501	my $guard = cf::lock_acquire "map_find:$path";
1502	my $map = new_from_path cf::map $path	1989	my $map = new_from_path cf::map $path
1503	or return;	1990	or return;
1504		1991
1505	$map->{last_save} = $cf::RUNTIME;	1992	$map->{last_save} = $cf::RUNTIME;
1506		1993
1507	$map->load_header	1994	$map->load_header
1508	or return;	1995	or return;
1509		1996
1510	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1997	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1511	# doing this can freeze the server in a sync job, obviously	1998	# doing this can freeze the server in a sync job, obviously
1512	#$cf::WAIT_FOR_TICK->wait;	1999	#$cf::WAIT_FOR_TICK->wait;
		2000	undef $guard2;
		2001	undef $guard1;
1513	$map->reset;	2002	$map->reset;
1514	undef $guard;
1515	return find $path;	2003	return find $path;
1516	}	2004	}
1517		2005
1518	$cf::MAP{$path} = $map	2006	$cf::MAP{$path} = $map
1519	}	2007	}
…		…
1528	local $self->{deny_reset} = 1; # loading can take a long time	2016	local $self->{deny_reset} = 1; # loading can take a long time
1529		2017
1530	my $path = $self->{path};	2018	my $path = $self->{path};
1531		2019
1532	{	2020	{
1533	my $guard = cf::lock_acquire "map_load:$path";	2021	my $guard = cf::lock_acquire "map_data:$path";
1534		2022
		2023	return unless $self->valid;
1535	return if $self->in_memory != cf::MAP_SWAPPED;	2024	return unless $self->in_memory == cf::MAP_SWAPPED;
1536		2025
1537	$self->in_memory (cf::MAP_LOADING);	2026	$self->in_memory (cf::MAP_LOADING);
1538		2027
1539	$self->alloc;	2028	$self->alloc;
1540		2029
1541	$self->pre_load;	2030	$self->pre_load;
1542	Coro::cede;	2031	cf::cede_to_tick;
1543		2032
		2033	my $f = new_from_file cf::object::thawer $self->{load_path};
		2034	$f->skip_block;
1544	$self->_load_objects ($self->{load_path}, 1)	2035	$self->_load_objects ($f)
1545	or return;	2036	or return;
1546		2037
1547	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2038	$self->post_load_original
1548	if delete $self->{load_original};	2039	if delete $self->{load_original};
1549		2040
1550	if (my $uniq = $self->uniq_path) {	2041	if (my $uniq = $self->uniq_path) {
1551	utf8::encode $uniq;	2042	utf8::encode $uniq;
1552	if (aio_open $uniq, O_RDONLY, 0) {	2043	unless (aio_stat $uniq) {
		2044	if (my $f = new_from_file cf::object::thawer $uniq) {
1553	$self->clear_unique_items;	2045	$self->clear_unique_items;
1554	$self->_load_objects ($uniq, 0);	2046	$self->_load_objects ($f);
		2047	$f->resolve_delayed_derefs;
		2048	}
1555	}	2049	}
1556	}	2050	}
1557		2051
1558	Coro::cede;	2052	$f->resolve_delayed_derefs;
		2053
		2054	cf::cede_to_tick;
1559	# now do the right thing for maps	2055	# now do the right thing for maps
1560	$self->link_multipart_objects;	2056	$self->link_multipart_objects;
1561	$self->difficulty ($self->estimate_difficulty)	2057	$self->difficulty ($self->estimate_difficulty)
1562	unless $self->difficulty;	2058	unless $self->difficulty;
1563	Coro::cede;	2059	cf::cede_to_tick;
1564		2060
1565	unless ($self->{deny_activate}) {	2061	unless ($self->{deny_activate}) {
1566	$self->decay_objects;	2062	$self->decay_objects;
1567	$self->fix_auto_apply;	2063	$self->fix_auto_apply;
1568	$self->update_buttons;	2064	$self->update_buttons;
1569	Coro::cede;	2065	cf::cede_to_tick;
1570	$self->set_darkness_map;
1571	Coro::cede;
1572	$self->activate;	2066	$self->activate;
1573	}	2067	}
1574		2068
		2069	$self->{last_save} = $cf::RUNTIME;
		2070	$self->last_access ($cf::RUNTIME);
		2071
1575	$self->in_memory (cf::MAP_IN_MEMORY);	2072	$self->in_memory (cf::MAP_ACTIVE);
1576	}	2073	}
1577		2074
1578	$self->post_load;	2075	$self->post_load;
1579	}	2076	}
1580		2077
…		…
1582	my ($self, $ob) = @_;	2079	my ($self, $ob) = @_;
1583		2080
1584	return find "~" . $ob->name . "/" . $self->{path}	2081	return find "~" . $ob->name . "/" . $self->{path}
1585	if $self->per_player;	2082	if $self->per_player;
1586		2083
		2084	# return find "?party/" . $ob->name . "/" . $self->{path}
		2085	# if $self->per_party;
		2086
1587	$self	2087	$self
1588	}	2088	}
1589		2089
1590	# find and load all maps in the 3x3 area around a map	2090	# find and load all maps in the 3x3 area around a map
1591	sub load_diag {	2091	sub load_neighbours {
1592	my ($map) = @_;	2092	my ($map) = @_;
1593		2093
1594	my @diag; # diagonal neighbours	2094	my @neigh; # diagonal neighbours
1595		2095
1596	for (0 .. 3) {	2096	for (0 .. 3) {
1597	my $neigh = $map->tile_path ($_)	2097	my $neigh = $map->tile_path ($_)
1598	or next;	2098	or next;
1599	$neigh = find $neigh, $map	2099	$neigh = find $neigh, $map
1600	or next;	2100	or next;
1601	$neigh->load;	2101	$neigh->load;
1602		2102
		2103	push @neigh,
1603	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2104	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1604	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2105	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1605	}	2106	}
1606		2107
1607	for (@diag) {	2108	for (grep defined $_->[0], @neigh) {
		2109	my ($path, $origin) = @$_;
1608	my $neigh = find @$_	2110	my $neigh = find $path, $origin
1609	or next;	2111	or next;
1610	$neigh->load;	2112	$neigh->load;
1611	}	2113	}
1612	}	2114	}
1613		2115
…		…
1618	}	2120	}
1619		2121
1620	sub do_load_sync {	2122	sub do_load_sync {
1621	my ($map) = @_;	2123	my ($map) = @_;
1622		2124
		2125	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2126	if $Coro::current == $Coro::main;
		2127
1623	cf::sync_job { $map->load };	2128	cf::sync_job { $map->load };
1624	}	2129	}
1625		2130
1626	our %MAP_PREFETCH;	2131	our %MAP_PREFETCH;
1627	our $MAP_PREFETCHER = undef;	2132	our $MAP_PREFETCHER = undef;
1628		2133
1629	sub find_async {	2134	sub find_async {
1630	my ($path, $origin) = @_;	2135	my ($path, $origin, $load) = @_;
1631		2136
1632	$path = normalise $path, $origin && $origin->{path};	2137	$path = normalise $path, $origin && $origin->{path};
1633		2138
1634	if (my $map = $cf::MAP{$path}) {	2139	if (my $map = $cf::MAP{$path}) {
1635	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2140	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1636	}	2141	}
1637		2142
1638	undef $MAP_PREFETCH{$path};	2143	$MAP_PREFETCH{$path} |= $load;
		2144
1639	$MAP_PREFETCHER ||= cf::async {	2145	$MAP_PREFETCHER ||= cf::async {
		2146	$Coro::current->{desc} = "map prefetcher";
		2147
1640	while (%MAP_PREFETCH) {	2148	while (%MAP_PREFETCH) {
1641	for my $path (keys %MAP_PREFETCH) {	2149	while (my ($k, $v) = each %MAP_PREFETCH) {
1642	my $map = find $path	2150	if (my $map = find $k) {
1643	or next;
1644	$map->load;	2151	$map->load if $v;
		2152	}
1645		2153
1646	delete $MAP_PREFETCH{$path};	2154	delete $MAP_PREFETCH{$k};
1647	}	2155	}
1648	}	2156	}
1649	undef $MAP_PREFETCHER;	2157	undef $MAP_PREFETCHER;
1650	};	2158	};
1651	$MAP_PREFETCHER->prio (6);	2159	$MAP_PREFETCHER->prio (6);
…		…
1654	}	2162	}
1655		2163
1656	sub save {	2164	sub save {
1657	my ($self) = @_;	2165	my ($self) = @_;
1658		2166
1659	my $lock = cf::lock_acquire "map_data:" . $self->path;	2167	my $lock = cf::lock_acquire "map_data:$self->{path}";
1660		2168
1661	$self->{last_save} = $cf::RUNTIME;	2169	$self->{last_save} = $cf::RUNTIME;
1662		2170
1663	return unless $self->dirty;	2171	return unless $self->dirty;
1664		2172
…		…
1670	return if $self->{deny_save};	2178	return if $self->{deny_save};
1671		2179
1672	local $self->{last_access} = $self->last_access;#d#	2180	local $self->{last_access} = $self->last_access;#d#
1673		2181
1674	cf::async {	2182	cf::async {
		2183	$Coro::current->{desc} = "map player save";
1675	$_->contr->save for $self->players;	2184	$_->contr->save for $self->players;
1676	};	2185	};
		2186
		2187	cf::get_slot 0.02;
1677		2188
1678	if ($uniq) {	2189	if ($uniq) {
1679	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2190	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1680	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2191	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1681	} else {	2192	} else {
…		…
1687	my ($self) = @_;	2198	my ($self) = @_;
1688		2199
1689	# save first because save cedes	2200	# save first because save cedes
1690	$self->save;	2201	$self->save;
1691		2202
1692	my $lock = cf::lock_acquire "map_data:" . $self->path;	2203	my $lock = cf::lock_acquire "map_data:$self->{path}";
1693		2204
1694	return if $self->players;	2205	return if $self->players;
1695	return if $self->in_memory != cf::MAP_IN_MEMORY;	2206	return if $self->in_memory != cf::MAP_ACTIVE;
1696	return if $self->{deny_save};	2207	return if $self->{deny_save};
1697		2208
		2209	$self->in_memory (cf::MAP_SWAPPED);
		2210
		2211	$self->deactivate;
		2212	$_->clear_links_to ($self) for values %cf::MAP;
1698	$self->clear;	2213	$self->clear;
1699	$self->in_memory (cf::MAP_SWAPPED);
1700	}	2214	}
1701		2215
1702	sub reset_at {	2216	sub reset_at {
1703	my ($self) = @_;	2217	my ($self) = @_;
1704		2218
1705	# TODO: safety, remove and allow resettable per-player maps	2219	# TODO: safety, remove and allow resettable per-player maps
1706	return 1e99 if $self->isa ("ext::map_per_player");#d#
1707	return 1e99 if $self->{deny_reset};	2220	return 1e99 if $self->{deny_reset};
1708		2221
1709	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2222	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1710	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2223	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1711		2224
…		…
1722	my ($self) = @_;	2235	my ($self) = @_;
1723		2236
1724	my $lock = cf::lock_acquire "map_data:$self->{path}";	2237	my $lock = cf::lock_acquire "map_data:$self->{path}";
1725		2238
1726	return if $self->players;	2239	return if $self->players;
1727	return if $self->isa ("ext::map_per_player");#d#
1728		2240
1729	warn "resetting map ", $self->path;#d#	2241	warn "resetting map ", $self->path, "\n";
1730		2242
1731	$self->in_memory (cf::MAP_SWAPPED);	2243	$self->in_memory (cf::MAP_SWAPPED);
1732		2244
1733	# need to save uniques path	2245	# need to save uniques path
1734	unless ($self->{deny_save}) {	2246	unless ($self->{deny_save}) {
…		…
1738	if $uniq;	2250	if $uniq;
1739	}	2251	}
1740		2252
1741	delete $cf::MAP{$self->path};	2253	delete $cf::MAP{$self->path};
1742		2254
		2255	$self->deactivate;
		2256	$_->clear_links_to ($self) for values %cf::MAP;
1743	$self->clear;	2257	$self->clear;
1744
1745	$_->clear_links_to ($self) for values %cf::MAP;
1746		2258
1747	$self->unlink_save;	2259	$self->unlink_save;
1748	$self->destroy;	2260	$self->destroy;
1749	}	2261	}
1750		2262
1751	my $nuke_counter = "aaaa";	2263	my $nuke_counter = "aaaa";
1752		2264
1753	sub nuke {	2265	sub nuke {
1754	my ($self) = @_;	2266	my ($self) = @_;
1755		2267
		2268	{
		2269	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2270
1756	delete $cf::MAP{$self->path};	2271	delete $cf::MAP{$self->path};
1757		2272
1758	$self->unlink_save;	2273	$self->unlink_save;
1759		2274
1760	bless $self, "cf::map";	2275	bless $self, "cf::map";
1761	delete $self->{deny_reset};	2276	delete $self->{deny_reset};
1762	$self->{deny_save} = 1;	2277	$self->{deny_save} = 1;
1763	$self->reset_timeout (1);	2278	$self->reset_timeout (1);
1764	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2279	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1765		2280
1766	$cf::MAP{$self->path} = $self;	2281	$cf::MAP{$self->path} = $self;
		2282	}
1767		2283
1768	$self->reset; # polite request, might not happen	2284	$self->reset; # polite request, might not happen
		2285	}
		2286
		2287	=item $maps = cf::map::tmp_maps
		2288
		2289	Returns an arrayref with all map paths of currently instantiated and saved
		2290	maps. May block.
		2291
		2292	=cut
		2293
		2294	sub tmp_maps() {
		2295	[
		2296	map {
		2297	utf8::decode $_;
		2298	/\.map$/
		2299	? normalise $_
		2300	: ()
		2301	} @{ aio_readdir $TMPDIR or [] }
		2302	]
		2303	}
		2304
		2305	=item $maps = cf::map::random_maps
		2306
		2307	Returns an arrayref with all map paths of currently instantiated and saved
		2308	random maps. May block.
		2309
		2310	=cut
		2311
		2312	sub random_maps() {
		2313	[
		2314	map {
		2315	utf8::decode $_;
		2316	/\.map$/
		2317	? normalise "?random/$_"
		2318	: ()
		2319	} @{ aio_readdir $RANDOMDIR or [] }
		2320	]
1769	}	2321	}
1770		2322
1771	=item cf::map::unique_maps	2323	=item cf::map::unique_maps
1772		2324
1773	Returns an arrayref of paths of all shared maps that have	2325	Returns an arrayref of paths of all shared maps that have
1774	instantiated unique items. May block.	2326	instantiated unique items. May block.
1775		2327
1776	=cut	2328	=cut
1777		2329
1778	sub unique_maps() {	2330	sub unique_maps() {
1779	my $files = aio_readdir $UNIQUEDIR	2331	[
1780	or return;	2332	map {
1781
1782	my @paths;
1783
1784	for (@$files) {
1785	utf8::decode $_;	2333	utf8::decode $_;
1786	next if /\.pst$/;	2334	s/\.map$//; # TODO future compatibility hack
1787	next unless /^$PATH_SEP/o;	2335	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1788		2336	? ()
1789	push @paths, cf::map::normalise $_;	2337	: normalise $_
		2338	} @{ aio_readdir $UNIQUEDIR or [] }
1790	}	2339	]
1791
1792	\@paths
1793	}	2340	}
1794
1795	package cf;
1796		2341
1797	=back	2342	=back
1798		2343
1799	=head3 cf::object	2344	=head3 cf::object
1800		2345
…		…
1804		2349
1805	=over 4	2350	=over 4
1806		2351
1807	=item $ob->inv_recursive	2352	=item $ob->inv_recursive
1808		2353
1809	Returns the inventory of the object _and_ their inventories, recursively.	2354	Returns the inventory of the object I<and> their inventories, recursively,
		2355	but I<not> the object itself.
1810		2356
1811	=cut	2357	=cut
1812		2358
1813	sub inv_recursive_;	2359	sub inv_recursive_;
1814	sub inv_recursive_ {	2360	sub inv_recursive_ {
…		…
1817		2363
1818	sub inv_recursive {	2364	sub inv_recursive {
1819	inv_recursive_ inv $_[0]	2365	inv_recursive_ inv $_[0]
1820	}	2366	}
1821		2367
		2368	=item $ref = $ob->ref
		2369
		2370	Creates and returns a persistent reference to an object that can be stored as a string.
		2371
		2372	=item $ob = cf::object::deref ($refstring)
		2373
		2374	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2375	even if the object actually exists. May block.
		2376
		2377	=cut
		2378
		2379	sub deref {
		2380	my ($ref) = @_;
		2381
		2382	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2383	my ($uuid, $name) = ($1, $2);
		2384	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2385	or return;
		2386	$pl->ob->uuid eq $uuid
		2387	or return;
		2388
		2389	$pl->ob
		2390	} else {
		2391	warn "$ref: cannot resolve object reference\n";
		2392	undef
		2393	}
		2394	}
		2395
1822	package cf;	2396	package cf;
1823		2397
1824	=back	2398	=back
1825		2399
1826	=head3 cf::object::player	2400	=head3 cf::object::player
…		…
1832	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2406	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1833	can be C<undef>. Does the right thing when the player is currently in a	2407	can be C<undef>. Does the right thing when the player is currently in a
1834	dialogue with the given NPC character.	2408	dialogue with the given NPC character.
1835		2409
1836	=cut	2410	=cut
		2411
		2412	our $SAY_CHANNEL = {
		2413	id => "say",
		2414	title => "Map",
		2415	reply => "say ",
		2416	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2417	};
		2418
		2419	our $CHAT_CHANNEL = {
		2420	id => "chat",
		2421	title => "Chat",
		2422	reply => "chat ",
		2423	tooltip => "Player chat and shouts, global to the server.",
		2424	};
1837		2425
1838	# rough implementation of a future "reply" method that works	2426	# rough implementation of a future "reply" method that works
1839	# with dialog boxes.	2427	# with dialog boxes.
1840	#TODO: the first argument must go, split into a $npc->reply_to ( method	2428	#TODO: the first argument must go, split into a $npc->reply_to ( method
1841	sub cf::object::player::reply($$$;$) {	2429	sub cf::object::player::reply($$$;$) {
…		…
1843		2431
1844	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2432	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1845		2433
1846	if ($self->{record_replies}) {	2434	if ($self->{record_replies}) {
1847	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2435	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2436
1848	} else {	2437	} else {
		2438	my $pl = $self->contr;
		2439
		2440	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2441	my $dialog = $pl->{npc_dialog};
		2442	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2443
		2444	} else {
1849	$msg = $npc->name . " says: $msg" if $npc;	2445	$msg = $npc->name . " says: $msg" if $npc;
1850	$self->message ($msg, $flags);	2446	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2447	}
1851	}	2448	}
		2449	}
		2450
		2451	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2452
		2453	=cut
		2454
		2455	sub cf::object::send_msg {
		2456	my $pl = shift->contr
		2457	or return;
		2458	$pl->send_msg (@_);
1852	}	2459	}
1853		2460
1854	=item $player_object->may ("access")	2461	=item $player_object->may ("access")
1855		2462
1856	Returns wether the given player is authorized to access resource "access"	2463	Returns wether the given player is authorized to access resource "access"
…		…
1869		2476
1870	=item $player_object->enter_link	2477	=item $player_object->enter_link
1871		2478
1872	Freezes the player and moves him/her to a special map (C<{link}>).	2479	Freezes the player and moves him/her to a special map (C<{link}>).
1873		2480
1874	The player should be reasonably safe there for short amounts of time. You	2481	The player should be reasonably safe there for short amounts of time (e.g.
1875	I<MUST> call C<leave_link> as soon as possible, though.	2482	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2483	though, as the palyer cannot control the character while it is on the link
		2484	map.
1876		2485
1877	Will never block.	2486	Will never block.
1878		2487
1879	=item $player_object->leave_link ($map, $x, $y)	2488	=item $player_object->leave_link ($map, $x, $y)
1880		2489
…		…
1935	# use -1 or undef as default coordinates, not 0, 0	2544	# use -1 or undef as default coordinates, not 0, 0
1936	($x, $y) = ($map->enter_x, $map->enter_y)	2545	($x, $y) = ($map->enter_x, $map->enter_y)
1937	if $x <=0 && $y <= 0;	2546	if $x <=0 && $y <= 0;
1938		2547
1939	$map->load;	2548	$map->load;
1940	$map->load_diag;	2549	$map->load_neighbours;
1941		2550
1942	return unless $self->contr->active;	2551	return unless $self->contr->active;
1943	$self->activate_recursive;
1944		2552
1945	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2553	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1946	$self->enter_map ($map, $x, $y);	2554	$self->enter_map ($map, $x, $y);
1947	}
1948		2555
		2556	# only activate afterwards, to support waiting in hooks
		2557	$self->activate_recursive;
		2558	}
		2559
1949	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2560	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1950		2561
1951	Moves the player to the given map-path and coordinates by first freezing	2562	Moves the player to the given map-path and coordinates by first freezing
1952	her, loading and preparing them map, calling the provided $check callback	2563	her, loading and preparing them map, calling the provided $check callback
1953	that has to return the map if sucecssful, and then unfreezes the player on	2564	that has to return the map if sucecssful, and then unfreezes the player on
1954	the new (success) or old (failed) map position.	2565	the new (success) or old (failed) map position. In either case, $done will
		2566	be called at the end of this process.
		2567
		2568	Note that $check will be called with a potentially non-loaded map, so if
		2569	it needs a loaded map it has to call C<< ->load >>.
1955		2570
1956	=cut	2571	=cut
1957		2572
1958	our $GOTOGEN;	2573	our $GOTOGEN;
1959		2574
1960	sub cf::object::player::goto {	2575	sub cf::object::player::goto {
1961	my ($self, $path, $x, $y, $check) = @_;	2576	my ($self, $path, $x, $y, $check, $done) = @_;
1962		2577
1963	# do generation counting so two concurrent goto's will be executed in-order	2578	# do generation counting so two concurrent goto's will be executed in-order
1964	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2579	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1965		2580
1966	$self->enter_link;	2581	$self->enter_link;
1967		2582
1968	(async {	2583	(async {
		2584	$Coro::current->{desc} = "player::goto $path $x $y";
		2585
		2586	# *tag paths override both path and x|y
		2587	if ($path =~ /^\*(.*)$/) {
		2588	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2589	my $ob = $obs[rand @obs];
		2590
		2591	# see if we actually can go there
		2592	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2593	$ob = $obs[rand @obs];
		2594	} else {
		2595	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2596	}
		2597	# else put us there anyways for now #d#
		2598
		2599	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2600	} else {
		2601	($path, $x, $y) = (undef, undef, undef);
		2602	}
		2603	}
		2604
1969	my $map = eval {	2605	my $map = eval {
1970	my $map = cf::map::find $path;	2606	my $map = defined $path ? cf::map::find $path : undef;
1971		2607
1972	if ($map) {	2608	if ($map) {
1973	$map = $map->customise_for ($self);	2609	$map = $map->customise_for ($self);
1974	$map = $check->($map) if $check && $map;	2610	$map = $check->($map) if $check && $map;
1975	} else {	2611	} else {
1976	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2612	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1977	}	2613	}
1978		2614
1979	$map	2615	$map
1980	};	2616	};
1981		2617
…		…
1986		2622
1987	if ($gen == $self->{_goto_generation}) {	2623	if ($gen == $self->{_goto_generation}) {
1988	delete $self->{_goto_generation};	2624	delete $self->{_goto_generation};
1989	$self->leave_link ($map, $x, $y);	2625	$self->leave_link ($map, $x, $y);
1990	}	2626	}
		2627
		2628	$done->() if $done;
1991	})->prio (1);	2629	})->prio (1);
1992	}	2630	}
1993		2631
1994	=item $player_object->enter_exit ($exit_object)	2632	=item $player_object->enter_exit ($exit_object)
1995		2633
…		…
2015	}	2653	}
2016		2654
2017	sub prepare_random_map {	2655	sub prepare_random_map {
2018	my ($exit) = @_;	2656	my ($exit) = @_;
2019		2657
2020	my $guard = cf::lock_acquire "exit_prepare:$exit";
2021
2022	# all this does is basically replace the /! path by	2658	# all this does is basically replace the /! path by
2023	# a new random map path (?random/...) with a seed	2659	# a new random map path (?random/...) with a seed
2024	# that depends on the exit object	2660	# that depends on the exit object
2025		2661
2026	my $rmp = parse_random_map_params $exit->msg;	2662	my $rmp = parse_random_map_params $exit->msg;
…		…
2028	if ($exit->map) {	2664	if ($exit->map) {
2029	$rmp->{region} = $exit->region->name;	2665	$rmp->{region} = $exit->region->name;
2030	$rmp->{origin_map} = $exit->map->path;	2666	$rmp->{origin_map} = $exit->map->path;
2031	$rmp->{origin_x} = $exit->x;	2667	$rmp->{origin_x} = $exit->x;
2032	$rmp->{origin_y} = $exit->y;	2668	$rmp->{origin_y} = $exit->y;
		2669
		2670	$exit->map->touch;
2033	}	2671	}
2034		2672
2035	$rmp->{random_seed} ||= $exit->random_seed;	2673	$rmp->{random_seed} ||= $exit->random_seed;
2036		2674
2037	my $data = cf::to_json $rmp;	2675	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2038	my $md5 = Digest::MD5::md5_hex $data;	2676	my $md5 = Digest::MD5::md5_hex $data;
2039	my $meta = "$RANDOMDIR/$md5.meta";	2677	my $meta = "$RANDOMDIR/$md5.meta";
2040		2678
2041	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2679	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2042	aio_write $fh, 0, (length $data), $data, 0;	2680	aio_write $fh, 0, (length $data), $data, 0;
2043	undef $fh;	2681	undef $fh;
2044	aio_rename "$meta~", $meta;	2682	aio_rename "$meta~", $meta;
2045		2683
		2684	my $slaying = "?random/$md5";
		2685
		2686	if ($exit->valid) {
2046	$exit->slaying ("?random/$md5");	2687	$exit->slaying ("?random/$md5");
2047	$exit->msg (undef);	2688	$exit->msg (undef);
		2689	}
2048	}	2690	}
2049	}	2691	}
2050		2692
2051	sub cf::object::player::enter_exit {	2693	sub cf::object::player::enter_exit {
2052	my ($self, $exit) = @_;	2694	my ($self, $exit) = @_;
2053		2695
2054	return unless $self->type == cf::PLAYER;	2696	return unless $self->type == cf::PLAYER;
2055		2697
2056	if ($exit->slaying eq "/!") {
2057	#TODO: this should de-fi-ni-te-ly not be a sync-job
2058	# the problem is that $exit might not survive long enough
2059	# so it needs to be done right now, right here
2060	cf::sync_job { prepare_random_map $exit };
2061	}
2062
2063	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2064	my $hp = $exit->stats->hp;
2065	my $sp = $exit->stats->sp;
2066
2067	$self->enter_link;	2698	$self->enter_link;
2068		2699
2069	(async {	2700	(async {
2070	$self->deactivate_recursive; # just to be sure	2701	$Coro::current->{desc} = "enter_exit";
		2702
2071	unless (eval {	2703	unless (eval {
		2704	$self->deactivate_recursive; # just to be sure
		2705
		2706	# random map handling
		2707	{
		2708	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2709
		2710	prepare_random_map $exit
		2711	if $exit->slaying eq "/!";
		2712	}
		2713
		2714	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2715	my $x = $exit->stats->hp;
		2716	my $y = $exit->stats->sp;
		2717
2072	$self->goto ($slaying, $hp, $sp);	2718	$self->goto ($map, $x, $y);
2073		2719
		2720	# if exit is damned, update players death & WoR home-position
		2721	$self->contr->savebed ($map, $x, $y)
		2722	if $exit->flag (cf::FLAG_DAMNED);
		2723
2074	1;	2724	1
2075	}) {	2725	}) {
2076	$self->message ("Something went wrong deep within the crossfire server. "	2726	$self->message ("Something went wrong deep within the deliantra server. "
2077	. "I'll try to bring you back to the map you were before. "	2727	. "I'll try to bring you back to the map you were before. "
2078	. "Please report this to the dungeon master!",	2728	. "Please report this to the dungeon master!",
2079	cf::NDI_UNIQUE | cf::NDI_RED);	2729	cf::NDI_UNIQUE | cf::NDI_RED);
2080		2730
2081	warn "ERROR in enter_exit: $@";	2731	warn "ERROR in enter_exit: $@";
…		…
2100		2750
2101	utf8::encode $text;	2751	utf8::encode $text;
2102	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2752	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2103	}	2753	}
2104		2754
		2755	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2756
		2757	Send a drawinfo or msg packet to the client, formatting the msg for the
		2758	client if neccessary. C<$type> should be a string identifying the type of
		2759	the message, with C<log> being the default. If C<$color> is negative, suppress
		2760	the message unless the client supports the msg packet.
		2761
		2762	=cut
		2763
		2764	# non-persistent channels (usually the info channel)
		2765	our %CHANNEL = (
		2766	"c/identify" => {
		2767	id => "infobox",
		2768	title => "Identify",
		2769	reply => undef,
		2770	tooltip => "Items recently identified",
		2771	},
		2772	"c/examine" => {
		2773	id => "infobox",
		2774	title => "Examine",
		2775	reply => undef,
		2776	tooltip => "Signs and other items you examined",
		2777	},
		2778	"c/book" => {
		2779	id => "infobox",
		2780	title => "Book",
		2781	reply => undef,
		2782	tooltip => "The contents of a note or book",
		2783	},
		2784	"c/lookat" => {
		2785	id => "infobox",
		2786	title => "Look",
		2787	reply => undef,
		2788	tooltip => "What you saw there",
		2789	},
		2790	"c/who" => {
		2791	id => "infobox",
		2792	title => "Players",
		2793	reply => undef,
		2794	tooltip => "Shows players who are currently online",
		2795	},
		2796	"c/body" => {
		2797	id => "infobox",
		2798	title => "Body Parts",
		2799	reply => undef,
		2800	tooltip => "Shows which body parts you posess and are available",
		2801	},
		2802	"c/statistics" => {
		2803	id => "infobox",
		2804	title => "Statistics",
		2805	reply => undef,
		2806	tooltip => "Shows your primary statistics",
		2807	},
		2808	"c/skills" => {
		2809	id => "infobox",
		2810	title => "Skills",
		2811	reply => undef,
		2812	tooltip => "Shows your experience per skill and item power",
		2813	},
		2814	"c/shopitems" => {
		2815	id => "infobox",
		2816	title => "Shop Items",
		2817	reply => undef,
		2818	tooltip => "Shows the items currently for sale in this shop",
		2819	},
		2820	"c/resistances" => {
		2821	id => "infobox",
		2822	title => "Resistances",
		2823	reply => undef,
		2824	tooltip => "Shows your resistances",
		2825	},
		2826	"c/pets" => {
		2827	id => "infobox",
		2828	title => "Pets",
		2829	reply => undef,
		2830	tooltip => "Shows information abotu your pets/a specific pet",
		2831	},
		2832	"c/perceiveself" => {
		2833	id => "infobox",
		2834	title => "Perceive Self",
		2835	reply => undef,
		2836	tooltip => "You gained detailed knowledge about yourself",
		2837	},
		2838	"c/uptime" => {
		2839	id => "infobox",
		2840	title => "Uptime",
		2841	reply => undef,
		2842	tooltip => "How long the server has been running since last restart",
		2843	},
		2844	"c/mapinfo" => {
		2845	id => "infobox",
		2846	title => "Map Info",
		2847	reply => undef,
		2848	tooltip => "Information related to the maps",
		2849	},
		2850	"c/party" => {
		2851	id => "party",
		2852	title => "Party",
		2853	reply => "gsay ",
		2854	tooltip => "Messages and chat related to your party",
		2855	},
		2856	"c/death" => {
		2857	id => "death",
		2858	title => "Death",
		2859	reply => undef,
		2860	tooltip => "Reason for and more info about your most recent death",
		2861	},
		2862	"c/say" => $SAY_CHANNEL,
		2863	"c/chat" => $CHAT_CHANNEL,
		2864	);
		2865
		2866	sub cf::client::send_msg {
		2867	my ($self, $channel, $msg, $color, @extra) = @_;
		2868
		2869	$msg = $self->pl->expand_cfpod ($msg)
		2870	unless $color & cf::NDI_VERBATIM;
		2871
		2872	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2873
		2874	# check predefined channels, for the benefit of C
		2875	if ($CHANNEL{$channel}) {
		2876	$channel = $CHANNEL{$channel};
		2877
		2878	$self->ext_msg (channel_info => $channel);
		2879	$channel = $channel->{id};
		2880
		2881	} elsif (ref $channel) {
		2882	# send meta info to client, if not yet sent
		2883	unless (exists $self->{channel}{$channel->{id}}) {
		2884	$self->{channel}{$channel->{id}} = $channel;
		2885	$self->ext_msg (channel_info => $channel);
		2886	}
		2887
		2888	$channel = $channel->{id};
		2889	}
		2890
		2891	return unless @extra || length $msg;
		2892
		2893	# default colour, mask it out
		2894	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2895	if $color & cf::NDI_DEF;
		2896
		2897	my $pkt = "msg "
		2898	. $self->{json_coder}->encode (
		2899	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2900	);
		2901
		2902	# try lzf for large packets
		2903	$pkt = "lzf " . Compress::LZF::compress $pkt
		2904	if 1024 <= length $pkt and $self->{can_lzf};
		2905
		2906	# split very large packets
		2907	if (8192 < length $pkt and $self->{can_lzf}) {
		2908	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2909	$pkt = "frag";
		2910	}
		2911
		2912	$self->send_packet ($pkt);
		2913	}
		2914
2105	=item $client->ext_event ($type, %msg)	2915	=item $client->ext_msg ($type, @msg)
2106		2916
2107	Sends an exti event to the client.	2917	Sends an ext event to the client.
2108		2918
2109	=cut	2919	=cut
2110		2920
2111	sub cf::client::ext_event($$%) {	2921	sub cf::client::ext_msg($$@) {
2112	my ($self, $type, %msg) = @_;	2922	my ($self, $type, @msg) = @_;
2113		2923
		2924	if ($self->extcmd == 2) {
		2925	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2926	} elsif ($self->extcmd == 1) { # TODO: remove
2114	$msg{msgtype} = "event_$type";	2927	push @msg, msgtype => "event_$type";
2115	$self->send_packet ("ext " . cf::to_json \%msg);	2928	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2929	}
		2930	}
		2931
		2932	=item $client->ext_reply ($msgid, @msg)
		2933
		2934	Sends an ext reply to the client.
		2935
		2936	=cut
		2937
		2938	sub cf::client::ext_reply($$@) {
		2939	my ($self, $id, @msg) = @_;
		2940
		2941	if ($self->extcmd == 2) {
		2942	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2943	} elsif ($self->extcmd == 1) {
		2944	#TODO: version 1, remove
		2945	unshift @msg, msgtype => "reply", msgid => $id;
		2946	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2947	}
2116	}	2948	}
2117		2949
2118	=item $success = $client->query ($flags, "text", \&cb)	2950	=item $success = $client->query ($flags, "text", \&cb)
2119		2951
2120	Queues a query to the client, calling the given callback with	2952	Queues a query to the client, calling the given callback with
2121	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2953	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2122	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2954	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2123		2955
2124	Queries can fail, so check the return code. Or don't, as queries will become	2956	Queries can fail, so check the return code. Or don't, as queries will
2125	reliable at some point in the future.	2957	become reliable at some point in the future.
2126		2958
2127	=cut	2959	=cut
2128		2960
2129	sub cf::client::query {	2961	sub cf::client::query {
2130	my ($self, $flags, $text, $cb) = @_;	2962	my ($self, $flags, $text, $cb) = @_;
…		…
2138	utf8::encode $text;	2970	utf8::encode $text;
2139	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2971	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2140		2972
2141	$self->send_packet ($self->{query_queue}[0][0])	2973	$self->send_packet ($self->{query_queue}[0][0])
2142	if @{ $self->{query_queue} } == 1;	2974	if @{ $self->{query_queue} } == 1;
		2975
		2976	1
2143	}	2977	}
2144		2978
2145	cf::client->attach (	2979	cf::client->attach (
		2980	on_connect => sub {
		2981	my ($ns) = @_;
		2982
		2983	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2984	},
2146	on_reply => sub {	2985	on_reply => sub {
2147	my ($ns, $msg) = @_;	2986	my ($ns, $msg) = @_;
2148		2987
2149	# this weird shuffling is so that direct followup queries	2988	# this weird shuffling is so that direct followup queries
2150	# get handled first	2989	# get handled first
…		…
2162	} else {	3001	} else {
2163	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3002	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2164	}	3003	}
2165	}	3004	}
2166	},	3005	},
		3006	on_exticmd => sub {
		3007	my ($ns, $buf) = @_;
		3008
		3009	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3010
		3011	if (ref $msg) {
		3012	my ($type, $reply, @payload) =
		3013	"ARRAY" eq ref $msg
		3014	? @$msg
		3015	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3016
		3017	my @reply;
		3018
		3019	if (my $cb = $EXTICMD{$type}) {
		3020	@reply = $cb->($ns, @payload);
		3021	}
		3022
		3023	$ns->ext_reply ($reply, @reply)
		3024	if $reply;
		3025
		3026	} else {
		3027	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3028	}
		3029
		3030	cf::override;
		3031	},
2167	);	3032	);
2168		3033
2169	=item $client->async (\&cb)	3034	=item $client->async (\&cb)
2170		3035
2171	Create a new coroutine, running the specified callback. The coroutine will	3036	Create a new coroutine, running the specified callback. The coroutine will
…		…
2212	our $safe = new Safe "safe";	3077	our $safe = new Safe "safe";
2213	our $safe_hole = new Safe::Hole;	3078	our $safe_hole = new Safe::Hole;
2214		3079
2215	$SIG{FPE} = 'IGNORE';	3080	$SIG{FPE} = 'IGNORE';
2216		3081
2217	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3082	$safe->permit_only (Opcode::opset qw(
		3083	:base_core :base_mem :base_orig :base_math
		3084	grepstart grepwhile mapstart mapwhile
		3085	sort time
		3086	));
2218		3087
2219	# here we export the classes and methods available to script code	3088	# here we export the classes and methods available to script code
2220		3089
2221	=pod	3090	=pod
2222		3091
2223	The following functions and methods are available within a safe environment:	3092	The following functions and methods are available within a safe environment:
2224		3093
2225	cf::object contr pay_amount pay_player map	3094	cf::object
		3095	contr pay_amount pay_player map x y force_find force_add destroy
		3096	insert remove name archname title slaying race decrease split
		3097	value
		3098
2226	cf::object::player player	3099	cf::object::player
2227	cf::player peaceful	3100	player
2228	cf::map trigger	3101
		3102	cf::player
		3103	peaceful
		3104
		3105	cf::map
		3106	trigger
2229		3107
2230	=cut	3108	=cut
2231		3109
2232	for (	3110	for (
2233	["cf::object" => qw(contr pay_amount pay_player map)],	3111	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3112	insert remove inv nrof name archname title slaying race
		3113	decrease split destroy change_exp value msg lore send_msg)],
2234	["cf::object::player" => qw(player)],	3114	["cf::object::player" => qw(player)],
2235	["cf::player" => qw(peaceful)],	3115	["cf::player" => qw(peaceful send_msg)],
2236	["cf::map" => qw(trigger)],	3116	["cf::map" => qw(trigger)],
2237	) {	3117	) {
2238	no strict 'refs';	3118	no strict 'refs';
2239	my ($pkg, @funs) = @$_;	3119	my ($pkg, @funs) = @$_;
2240	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3120	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2257	my ($code, %vars) = @_;	3137	my ($code, %vars) = @_;
2258		3138
2259	my $qcode = $code;	3139	my $qcode = $code;
2260	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3140	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2261	$qcode =~ s/\n/\\n/g;	3141	$qcode =~ s/\n/\\n/g;
		3142
		3143	%vars = (_dummy => 0) unless %vars;
2262		3144
2263	local $_;	3145	local $_;
2264	local @safe::cf::_safe_eval_args = values %vars;	3146	local @safe::cf::_safe_eval_args = values %vars;
2265		3147
2266	my $eval =	3148	my $eval =
…		…
2309	=back	3191	=back
2310		3192
2311	=cut	3193	=cut
2312		3194
2313	#############################################################################	3195	#############################################################################
2314
2315	=head2 EXTENSION DATABASE SUPPORT
2316
2317	Crossfire maintains a very simple database for extension use. It can
2318	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2319	convert to/from binary).
2320
2321	The parameter C<$family> should best start with the name of the extension
2322	using it, it should be unique.
2323
2324	=over 4
2325
2326	=item $value = cf::db_get $family => $key
2327
2328	Returns a single value from the database.
2329
2330	=item cf::db_put $family => $key => $value
2331
2332	Stores the given C<$value> in the family.
2333
2334	=cut
2335
2336	our $DB;
2337
2338	sub db_init {
2339	unless ($DB) {
2340	$DB = BDB::db_create $DB_ENV;
2341
2342	cf::sync_job {
2343	eval {
2344	$DB->set_flags (BDB::CHKSUM);
2345
2346	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2347	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2348	cf::cleanup "db_open(db): $!" if $!;
2349	};
2350	cf::cleanup "db_open(db): $@" if $@;
2351	};
2352	}
2353	}
2354
2355	sub db_get($$) {
2356	my $key = "$_[0]/$_[1]";
2357
2358	cf::sync_job {
2359	BDB::db_get $DB, undef, $key, my $data;
2360
2361	$! ? ()
2362	: $data
2363	}
2364	}
2365
2366	sub db_put($$$) {
2367	BDB::dbreq_pri 4;
2368	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2369	}
2370
2371	=item cf::cache $id => [$paths...], $processversion => $process
2372
2373	Generic caching function that returns the value of the resource $id,
2374	caching and regenerating as required.
2375
2376	This function can block.
2377
2378	=cut
2379
2380	sub cache {
2381	my ($id, $src, $processversion, $process) = @_;
2382
2383	my $meta =
2384	join "\x00",
2385	$processversion,
2386	map {
2387	aio_stat $_
2388	and Carp::croak "$_: $!";
2389
2390	($_, (stat _)[7,9])
2391	} @$src;
2392
2393	my $dbmeta = db_get cache => "$id/meta";
2394	if ($dbmeta ne $meta) {
2395	# changed, we may need to process
2396
2397	my @data;
2398	my $md5;
2399
2400	for (0 .. $#$src) {
2401	0 <= aio_load $src->[$_], $data[$_]
2402	or Carp::croak "$src->[$_]: $!";
2403	}
2404
2405	# if processing is expensive, check
2406	# checksum first
2407	if (1) {
2408	$md5 =
2409	join "\x00",
2410	$processversion,
2411	map {
2412	Coro::cede;
2413	($src->[$_], Digest::MD5::md5_hex $data[$_])
2414	} 0.. $#$src;
2415
2416
2417	my $dbmd5 = db_get cache => "$id/md5";
2418	if ($dbmd5 eq $md5) {
2419	db_put cache => "$id/meta", $meta;
2420
2421	return db_get cache => "$id/data";
2422	}
2423	}
2424
2425	my $t1 = Time::HiRes::time;
2426	my $data = $process->(\@data);
2427	my $t2 = Time::HiRes::time;
2428
2429	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2430
2431	db_put cache => "$id/data", $data;
2432	db_put cache => "$id/md5" , $md5;
2433	db_put cache => "$id/meta", $meta;
2434
2435	return $data;
2436	}
2437
2438	db_get cache => "$id/data"
2439	}
2440
2441	=item fork_call { }, $args
2442
2443	Executes the given code block with the given arguments in a seperate
2444	process, returning the results. Everything must be serialisable with
2445	Coro::Storable. May, of course, block. Note that the executed sub may
2446	never block itself or use any form of Event handling.
2447
2448	=cut
2449
2450	sub fork_call(&@) {
2451	my ($cb, @args) = @_;
2452
2453	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2454	# or die "socketpair: $!";
2455	pipe my $fh1, my $fh2
2456	or die "pipe: $!";
2457
2458	if (my $pid = fork) {
2459	close $fh2;
2460
2461	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2462	$res = Coro::Storable::thaw $res;
2463
2464	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2465
2466	die $$res unless "ARRAY" eq ref $res;
2467
2468	return wantarray ? @$res : $res->[-1];
2469	} else {
2470	reset_signals;
2471	local $SIG{__WARN__};
2472	local $SIG{__DIE__};
2473	eval {
2474	close $fh1;
2475
2476	my @res = eval { $cb->(@args) };
2477	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2478	};
2479
2480	warn $@ if $@;
2481	_exit 0;
2482	}
2483	}
2484
2485	#############################################################################
2486	# the server's init and main functions	3196	# the server's init and main functions
2487		3197
2488	sub load_facedata($) {	3198	sub load_facedata($) {
2489	my ($path) = @_;	3199	my ($path) = @_;
		3200
		3201	# HACK to clear player env face cache, we need some signal framework
		3202	# for this (global event?)
		3203	%ext::player_env::MUSIC_FACE_CACHE = ();
		3204
		3205	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2490		3206
2491	warn "loading facedata from $path\n";	3207	warn "loading facedata from $path\n";
2492		3208
2493	my $facedata;	3209	my $facedata;
2494	0 < aio_load $path, $facedata	3210	0 < aio_load $path, $facedata
…		…
2497	$facedata = Coro::Storable::thaw $facedata;	3213	$facedata = Coro::Storable::thaw $facedata;
2498		3214
2499	$facedata->{version} == 2	3215	$facedata->{version} == 2
2500	or cf::cleanup "$path: version mismatch, cannot proceed.";	3216	or cf::cleanup "$path: version mismatch, cannot proceed.";
2501		3217
		3218	# patch in the exptable
		3219	$facedata->{resource}{"res/exp_table"} = {
		3220	type => FT_RSRC,
		3221	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3222	};
		3223	cf::cede_to_tick;
		3224
2502	{	3225	{
2503	my $faces = $facedata->{faceinfo};	3226	my $faces = $facedata->{faceinfo};
2504		3227
2505	while (my ($face, $info) = each %$faces) {	3228	while (my ($face, $info) = each %$faces) {
2506	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3229	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3230
2507	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3231	cf::face::set_visibility $idx, $info->{visibility};
		3232	cf::face::set_magicmap $idx, $info->{magicmap};
2508	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3233	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2509	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3234	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2510	Coro::cede;	3235
		3236	cf::cede_to_tick;
2511	}	3237	}
2512		3238
2513	while (my ($face, $info) = each %$faces) {	3239	while (my ($face, $info) = each %$faces) {
2514	next unless $info->{smooth};	3240	next unless $info->{smooth};
		3241
2515	my $idx = cf::face::find $face	3242	my $idx = cf::face::find $face
2516	or next;	3243	or next;
		3244
2517	if (my $smooth = cf::face::find $info->{smooth}) {	3245	if (my $smooth = cf::face::find $info->{smooth}) {
		3246	cf::face::set_smooth $idx, $smooth;
2518	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3247	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2519	} else {	3248	} else {
2520	warn "smooth face '$info->{smooth}' not found for face '$face'";	3249	warn "smooth face '$info->{smooth}' not found for face '$face'";
2521	}	3250	}
2522	Coro::cede;	3251
		3252	cf::cede_to_tick;
2523	}	3253	}
2524	}	3254	}
2525		3255
2526	{	3256	{
2527	my $anims = $facedata->{animinfo};	3257	my $anims = $facedata->{animinfo};
2528		3258
2529	while (my ($anim, $info) = each %$anims) {	3259	while (my ($anim, $info) = each %$anims) {
2530	cf::anim::set $anim, $info->{frames}, $info->{facings};	3260	cf::anim::set $anim, $info->{frames}, $info->{facings};
2531	Coro::cede;	3261	cf::cede_to_tick;
2532	}	3262	}
2533		3263
2534	cf::anim::invalidate_all; # d'oh	3264	cf::anim::invalidate_all; # d'oh
2535	}	3265	}
2536		3266
		3267	{
		3268	# TODO: for gcfclient pleasure, we should give resources
		3269	# that gcfclient doesn't grok a >10000 face index.
		3270	my $res = $facedata->{resource};
		3271
		3272	while (my ($name, $info) = each %$res) {
		3273	if (defined $info->{type}) {
		3274	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3275	my $data;
		3276
		3277	if ($info->{type} & 1) {
		3278	# prepend meta info
		3279
		3280	my $meta = $enc->encode ({
		3281	name => $name,
		3282	%{ $info->{meta} || {} },
		3283	});
		3284
		3285	$data = pack "(w/a*)*", $meta, $info->{data};
		3286	} else {
		3287	$data = $info->{data};
		3288	}
		3289
		3290	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3291	cf::face::set_type $idx, $info->{type};
		3292	} else {
		3293	$RESOURCE{$name} = $info;
		3294	}
		3295
		3296	cf::cede_to_tick;
		3297	}
		3298	}
		3299
		3300	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3301
2537	1	3302	1
2538	}	3303	}
2539		3304
		3305	cf::global->attach (on_resource_update => sub {
		3306	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3307	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3308
		3309	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3310	my $sound = $soundconf->{compat}[$_]
		3311	or next;
		3312
		3313	my $face = cf::face::find "sound/$sound->[1]";
		3314	cf::sound::set $sound->[0] => $face;
		3315	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3316	}
		3317
		3318	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3319	my $face = cf::face::find "sound/$v";
		3320	cf::sound::set $k => $face;
		3321	}
		3322	}
		3323	});
		3324
		3325	register_exticmd fx_want => sub {
		3326	my ($ns, $want) = @_;
		3327
		3328	while (my ($k, $v) = each %$want) {
		3329	$ns->fx_want ($k, $v);
		3330	}
		3331	};
		3332
		3333	sub load_resource_file($) {
		3334	my $guard = lock_acquire "load_resource_file";
		3335
		3336	my $status = load_resource_file_ $_[0];
		3337	get_slot 0.1, 100;
		3338	cf::arch::commit_load;
		3339
		3340	$status
		3341	}
		3342
2540	sub reload_regions {	3343	sub reload_regions {
		3344	# HACK to clear player env face cache, we need some signal framework
		3345	# for this (global event?)
		3346	%ext::player_env::MUSIC_FACE_CACHE = ();
		3347
2541	load_resource_file "$MAPDIR/regions"	3348	load_resource_file "$MAPDIR/regions"
2542	or die "unable to load regions file\n";	3349	or die "unable to load regions file\n";
		3350
		3351	for (cf::region::list) {
		3352	$_->{match} = qr/$_->{match}/
		3353	if exists $_->{match};
		3354	}
2543	}	3355	}
2544		3356
2545	sub reload_facedata {	3357	sub reload_facedata {
2546	load_facedata "$DATADIR/facedata"	3358	load_facedata "$DATADIR/facedata"
2547	or die "unable to load facedata\n";	3359	or die "unable to load facedata\n";
…		…
2558	}	3370	}
2559		3371
2560	sub reload_resources {	3372	sub reload_resources {
2561	warn "reloading resource files...\n";	3373	warn "reloading resource files...\n";
2562		3374
2563	reload_regions;
2564	reload_facedata;	3375	reload_facedata;
2565	reload_archetypes;	3376	reload_archetypes;
		3377	reload_regions;
2566	reload_treasures;	3378	reload_treasures;
2567		3379
2568	warn "finished reloading resource files\n";	3380	warn "finished reloading resource files\n";
2569	}	3381	}
2570		3382
2571	sub init {	3383	sub reload_config {
2572	reload_resources;
2573	}
2574
2575	sub cfg_load {
2576	open my $fh, "<:utf8", "$CONFDIR/config"	3384	open my $fh, "<:utf8", "$CONFDIR/config"
2577	or return;	3385	or return;
2578		3386
2579	local $/;	3387	local $/;
2580	*CFG = YAML::Syck::Load <$fh>;	3388	*CFG = YAML::Load <$fh>;
2581		3389
2582	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3390	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2583		3391
2584	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3392	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2585	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3393	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2591	};	3399	};
2592	warn $@ if $@;	3400	warn $@ if $@;
2593	}	3401	}
2594	}	3402	}
2595		3403
		3404	sub pidfile() {
		3405	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3406	or die "$PIDFILE: $!";
		3407	flock $fh, &Fcntl::LOCK_EX
		3408	or die "$PIDFILE: flock: $!";
		3409	$fh
		3410	}
		3411
		3412	# make sure only one server instance is running at any one time
		3413	sub atomic {
		3414	my $fh = pidfile;
		3415
		3416	my $pid = <$fh>;
		3417	kill 9, $pid if $pid > 0;
		3418
		3419	seek $fh, 0, 0;
		3420	print $fh $$;
		3421	}
		3422
		3423	sub main_loop {
		3424	warn "EV::loop starting\n";
		3425	if (1) {
		3426	EV::loop;
		3427	}
		3428	warn "EV::loop returned\n";
		3429	goto &main_loop unless $REALLY_UNLOOP;
		3430	}
		3431
2596	sub main {	3432	sub main {
		3433	cf::init_globals; # initialise logging
		3434
		3435	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3436	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3437	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3438	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3439
		3440	cf::init_experience;
		3441	cf::init_anim;
		3442	cf::init_attackmess;
		3443	cf::init_dynamic;
		3444
		3445	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3446
2597	# we must not ever block the main coroutine	3447	# we must not ever block the main coroutine
2598	local $Coro::idle = sub {	3448	local $Coro::idle = sub {
2599	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3449	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2600	(async {	3450	(async {
2601	Event::one_event;	3451	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3452	EV::loop EV::LOOP_ONESHOT;
2602	})->prio (Coro::PRIO_MAX);	3453	})->prio (Coro::PRIO_MAX);
2603	};	3454	};
2604		3455
2605	cfg_load;	3456	evthread_start IO::AIO::poll_fileno;
		3457
		3458	cf::sync_job {
		3459	reload_resources;
		3460	reload_config;
2606	db_init;	3461	db_init;
		3462
		3463	cf::load_settings;
		3464	cf::load_materials;
		3465	cf::init_uuid;
		3466	cf::init_signals;
		3467	cf::init_commands;
		3468	cf::init_skills;
		3469
		3470	cf::init_beforeplay;
		3471
		3472	atomic;
		3473
2607	load_extensions;	3474	load_extensions;
2608		3475
2609	$TICK_WATCHER->start;	3476	utime time, time, $RUNTIMEFILE;
2610	Event::loop;	3477
		3478	# no (long-running) fork's whatsoever before this point(!)
		3479	use POSIX ();
		3480	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3481
		3482	(pop @POST_INIT)->(0) while @POST_INIT;
		3483	};
		3484
		3485	main_loop;
2611	}	3486	}
2612		3487
2613	#############################################################################	3488	#############################################################################
2614	# initialisation and cleanup	3489	# initialisation and cleanup
2615		3490
2616	# install some emergency cleanup handlers	3491	# install some emergency cleanup handlers
2617	BEGIN {	3492	BEGIN {
		3493	our %SIGWATCHER = ();
2618	for my $signal (qw(INT HUP TERM)) {	3494	for my $signal (qw(INT HUP TERM)) {
2619	Event->signal (	3495	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2620	reentrant => 0,
2621	data => WF_AUTOCANCEL,
2622	signal => $signal,
2623	prio => 0,
2624	cb => sub {
2625	cf::cleanup "SIG$signal";	3496	cf::cleanup "SIG$signal";
2626	},
2627	);	3497	};
		3498	}
		3499	}
		3500
		3501	sub write_runtime_sync {
		3502	# first touch the runtime file to show we are still running:
		3503	# the fsync below can take a very very long time.
		3504
		3505	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3506
		3507	my $guard = cf::lock_acquire "write_runtime";
		3508
		3509	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3510	or return;
		3511
		3512	my $value = $cf::RUNTIME + 90 + 10;
		3513	# 10 is the runtime save interval, for a monotonic clock
		3514	# 60 allows for the watchdog to kill the server.
		3515
		3516	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3517	and return;
		3518
		3519	# always fsync - this file is important
		3520	aio_fsync $fh
		3521	and return;
		3522
		3523	# touch it again to show we are up-to-date
		3524	aio_utime $fh, undef, undef;
		3525
		3526	close $fh
		3527	or return;
		3528
		3529	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3530	and return;
		3531
		3532	warn "runtime file written.\n";
		3533
2628	}	3534	1
		3535	}
		3536
		3537	our $uuid_lock;
		3538	our $uuid_skip;
		3539
		3540	sub write_uuid_sync($) {
		3541	$uuid_skip ||= $_[0];
		3542
		3543	return if $uuid_lock;
		3544	local $uuid_lock = 1;
		3545
		3546	my $uuid = "$LOCALDIR/uuid";
		3547
		3548	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3549	or return;
		3550
		3551	my $value = uuid_seq uuid_cur;
		3552
		3553	unless ($value) {
		3554	warn "cowardly refusing to write zero uuid value!\n";
		3555	return;
		3556	}
		3557
		3558	my $value = uuid_str $value + $uuid_skip;
		3559	$uuid_skip = 0;
		3560
		3561	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3562	and return;
		3563
		3564	# always fsync - this file is important
		3565	aio_fsync $fh
		3566	and return;
		3567
		3568	close $fh
		3569	or return;
		3570
		3571	aio_rename "$uuid~", $uuid
		3572	and return;
		3573
		3574	warn "uuid file written ($value).\n";
		3575
		3576	1
		3577
		3578	}
		3579
		3580	sub write_uuid($$) {
		3581	my ($skip, $sync) = @_;
		3582
		3583	$sync ? write_uuid_sync $skip
		3584	: async { write_uuid_sync $skip };
2629	}	3585	}
2630		3586
2631	sub emergency_save() {	3587	sub emergency_save() {
2632	my $freeze_guard = cf::freeze_mainloop;	3588	my $freeze_guard = cf::freeze_mainloop;
2633		3589
2634	warn "enter emergency perl save\n";	3590	warn "emergency_perl_save: enter\n";
2635		3591
2636	cf::sync_job {	3592	cf::sync_job {
		3593	# this is a trade-off: we want to be very quick here, so
		3594	# save all maps without fsync, and later call a global sync
		3595	# (which in turn might be very very slow)
		3596	local $USE_FSYNC = 0;
		3597
2637	# use a peculiar iteration method to avoid tripping on perl	3598	# use a peculiar iteration method to avoid tripping on perl
2638	# refcount bugs in for. also avoids problems with players	3599	# refcount bugs in for. also avoids problems with players
2639	# and maps saved/destroyed asynchronously.	3600	# and maps saved/destroyed asynchronously.
2640	warn "begin emergency player save\n";	3601	warn "emergency_perl_save: begin player save\n";
2641	for my $login (keys %cf::PLAYER) {	3602	for my $login (keys %cf::PLAYER) {
2642	my $pl = $cf::PLAYER{$login} or next;	3603	my $pl = $cf::PLAYER{$login} or next;
2643	$pl->valid or next;	3604	$pl->valid or next;
		3605	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2644	$pl->save;	3606	$pl->save;
2645	}	3607	}
2646	warn "end emergency player save\n";	3608	warn "emergency_perl_save: end player save\n";
2647		3609
2648	warn "begin emergency map save\n";	3610	warn "emergency_perl_save: begin map save\n";
2649	for my $path (keys %cf::MAP) {	3611	for my $path (keys %cf::MAP) {
2650	my $map = $cf::MAP{$path} or next;	3612	my $map = $cf::MAP{$path} or next;
2651	$map->valid or next;	3613	$map->valid or next;
2652	$map->save;	3614	$map->save;
2653	}	3615	}
2654	warn "end emergency map save\n";	3616	warn "emergency_perl_save: end map save\n";
2655		3617
2656	warn "begin emergency database checkpoint\n";	3618	warn "emergency_perl_save: begin database checkpoint\n";
2657	BDB::db_env_txn_checkpoint $DB_ENV;	3619	BDB::db_env_txn_checkpoint $DB_ENV;
2658	warn "end emergency database checkpoint\n";	3620	warn "emergency_perl_save: end database checkpoint\n";
		3621
		3622	warn "emergency_perl_save: begin write uuid\n";
		3623	write_uuid_sync 1;
		3624	warn "emergency_perl_save: end write uuid\n";
2659	};	3625	};
2660		3626
		3627	warn "emergency_perl_save: starting sync()\n";
		3628	IO::AIO::aio_sync sub {
		3629	warn "emergency_perl_save: finished sync()\n";
		3630	};
		3631
2661	warn "leave emergency perl save\n";	3632	warn "emergency_perl_save: leave\n";
2662	}	3633	}
2663		3634
2664	sub post_cleanup {	3635	sub post_cleanup {
2665	my ($make_core) = @_;	3636	my ($make_core) = @_;
2666		3637
2667	warn Carp::longmess "post_cleanup backtrace"	3638	warn Carp::longmess "post_cleanup backtrace"
2668	if $make_core;	3639	if $make_core;
		3640
		3641	my $fh = pidfile;
		3642	unlink $PIDFILE if <$fh> == $$;
		3643	}
		3644
		3645	# a safer delete_package, copied from Symbol
		3646	sub clear_package($) {
		3647	my $pkg = shift;
		3648
		3649	# expand to full symbol table name if needed
		3650	unless ($pkg =~ /^main::.*::$/) {
		3651	$pkg = "main$pkg" if $pkg =~ /^::/;
		3652	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3653	$pkg .= '::' unless $pkg =~ /::$/;
		3654	}
		3655
		3656	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3657	my $stem_symtab = *{$stem}{HASH};
		3658
		3659	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3660	or return;
		3661
		3662	# clear all symbols
		3663	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3664	for my $name (keys %$leaf_symtab) {
		3665	_gv_clear *{"$pkg$name"};
		3666	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3667	}
		3668	warn "cleared package $pkg\n";#d#
2669	}	3669	}
2670		3670
2671	sub do_reload_perl() {	3671	sub do_reload_perl() {
2672	# can/must only be called in main	3672	# can/must only be called in main
2673	if ($Coro::current != $Coro::main) {	3673	if ($Coro::current != $Coro::main) {
2674	warn "can only reload from main coroutine";	3674	warn "can only reload from main coroutine";
2675	return;	3675	return;
2676	}	3676	}
2677		3677
		3678	return if $RELOAD++;
		3679
		3680	my $t1 = EV::time;
		3681
		3682	while ($RELOAD) {
2678	warn "reloading...";	3683	warn "reloading...";
2679		3684
2680	warn "entering sync_job";	3685	warn "entering sync_job";
2681		3686
2682	cf::sync_job {	3687	cf::sync_job {
2683	cf::write_runtime; # external watchdog should not bark	3688	cf::write_runtime_sync; # external watchdog should not bark
2684	cf::emergency_save;	3689	cf::emergency_save;
2685	cf::write_runtime; # external watchdog should not bark	3690	cf::write_runtime_sync; # external watchdog should not bark
2686		3691
2687	warn "syncing database to disk";	3692	warn "syncing database to disk";
2688	BDB::db_env_txn_checkpoint $DB_ENV;	3693	BDB::db_env_txn_checkpoint $DB_ENV;
2689		3694
2690	# if anything goes wrong in here, we should simply crash as we already saved	3695	# if anything goes wrong in here, we should simply crash as we already saved
2691		3696
2692	warn "cancelling all WF_AUTOCANCEL watchers";
2693	for (Event::all_watchers) {
2694	$_->cancel if $_->data & WF_AUTOCANCEL;
2695	}
2696
2697	warn "flushing outstanding aio requests";	3697	warn "flushing outstanding aio requests";
2698	for (;;) {
2699	BDB::flush;
2700	IO::AIO::flush;
2701	Coro::cede;
2702	last unless IO::AIO::nreqs || BDB::nreqs;	3698	while (IO::AIO::nreqs || BDB::nreqs) {
2703	warn "iterate...";	3699	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2704	}
2705
2706	++$RELOAD;
2707
2708	warn "cancelling all extension coros";
2709	$_->cancel for values %EXT_CORO;
2710	%EXT_CORO = ();
2711
2712	warn "removing commands";
2713	%COMMAND = ();
2714
2715	warn "removing ext commands";
2716	%EXTCMD = ();
2717
2718	warn "unloading/nuking all extensions";
2719	for my $pkg (@EXTS) {
2720	warn "... unloading $pkg";
2721
2722	if (my $cb = $pkg->can ("unload")) {
2723	eval {
2724	$cb->($pkg);
2725	1
2726	} or warn "$pkg unloaded, but with errors: $@";
2727	}	3700	}
2728		3701
2729	warn "... nuking $pkg";	3702	warn "cancelling all extension coros";
2730	Symbol::delete_package $pkg;	3703	$_->cancel for values %EXT_CORO;
2731	}	3704	%EXT_CORO = ();
2732		3705
2733	warn "unloading all perl modules loaded from $LIBDIR";	3706	warn "removing commands";
2734	while (my ($k, $v) = each %INC) {	3707	%COMMAND = ();
2735	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2736		3708
		3709	warn "removing ext/exti commands";
		3710	%EXTCMD = ();
		3711	%EXTICMD = ();
		3712
		3713	warn "unloading/nuking all extensions";
		3714	for my $pkg (@EXTS) {
2737	warn "... unloading $k";	3715	warn "... unloading $pkg";
2738	delete $INC{$k};
2739		3716
2740	$k =~ s/\.pm$//;
2741	$k =~ s/\//::/g;
2742
2743	if (my $cb = $k->can ("unload_module")) {	3717	if (my $cb = $pkg->can ("unload")) {
		3718	eval {
2744	$cb->();	3719	$cb->($pkg);
		3720	1
		3721	} or warn "$pkg unloaded, but with errors: $@";
		3722	}
		3723
		3724	warn "... clearing $pkg";
		3725	clear_package $pkg;
2745	}	3726	}
2746		3727
2747	Symbol::delete_package $k;	3728	warn "unloading all perl modules loaded from $LIBDIR";
		3729	while (my ($k, $v) = each %INC) {
		3730	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3731
		3732	warn "... unloading $k";
		3733	delete $INC{$k};
		3734
		3735	$k =~ s/\.pm$//;
		3736	$k =~ s/\//::/g;
		3737
		3738	if (my $cb = $k->can ("unload_module")) {
		3739	$cb->();
		3740	}
		3741
		3742	clear_package $k;
2748	}	3743	}
2749		3744
2750	warn "getting rid of safe::, as good as possible";	3745	warn "getting rid of safe::, as good as possible";
2751	Symbol::delete_package "safe::$_"	3746	clear_package "safe::$_"
2752	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3747	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2753		3748
2754	warn "unloading cf.pm \"a bit\"";	3749	warn "unloading cf.pm \"a bit\"";
2755	delete $INC{"cf.pm"};	3750	delete $INC{"cf.pm"};
2756	delete $INC{"cf/pod.pm"};	3751	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2757		3752
2758	# don't, removes xs symbols, too,	3753	# don't, removes xs symbols, too,
2759	# and global variables created in xs	3754	# and global variables created in xs
2760	#Symbol::delete_package __PACKAGE__;	3755	#clear_package __PACKAGE__;
2761		3756
2762	warn "unload completed, starting to reload now";	3757	warn "unload completed, starting to reload now";
2763		3758
2764	warn "reloading cf.pm";	3759	warn "reloading cf.pm";
2765	require cf;	3760	require cf;
2766	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3761	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2767		3762
2768	warn "loading config and database again";	3763	warn "loading config and database again";
2769	cf::cfg_load;	3764	cf::reload_config;
2770		3765
2771	warn "loading extensions";	3766	warn "loading extensions";
2772	cf::load_extensions;	3767	cf::load_extensions;
2773		3768
		3769	if ($REATTACH_ON_RELOAD) {
2774	warn "reattaching attachments to objects/players";	3770	warn "reattaching attachments to objects/players";
2775	_global_reattach; # objects, sockets	3771	_global_reattach; # objects, sockets
2776	warn "reattaching attachments to maps";	3772	warn "reattaching attachments to maps";
2777	reattach $_ for values %MAP;	3773	reattach $_ for values %MAP;
2778	warn "reattaching attachments to players";	3774	warn "reattaching attachments to players";
2779	reattach $_ for values %PLAYER;	3775	reattach $_ for values %PLAYER;
		3776	}
2780		3777
		3778	warn "running post_init jobs";
		3779	(pop @POST_INIT)->(1) while @POST_INIT;
		3780
2781	warn "leaving sync_job";	3781	warn "leaving sync_job";
2782		3782
2783	1	3783	1
2784	} or do {	3784	} or do {
2785	warn $@;	3785	warn $@;
2786	warn "error while reloading, exiting.";	3786	cf::cleanup "error while reloading, exiting.";
2787	exit 1;
2788	};	3787	};
2789		3788
2790	warn "reloaded";	3789	warn "reloaded";
		3790	--$RELOAD;
		3791	}
		3792
		3793	$t1 = EV::time - $t1;
		3794	warn "reload completed in ${t1}s\n";
2791	};	3795	};
2792		3796
2793	our $RELOAD_WATCHER; # used only during reload	3797	our $RELOAD_WATCHER; # used only during reload
2794		3798
2795	sub reload_perl() {	3799	sub reload_perl() {
2796	# doing reload synchronously and two reloads happen back-to-back,	3800	# doing reload synchronously and two reloads happen back-to-back,
2797	# coro crashes during coro_state_free->destroy here.	3801	# coro crashes during coro_state_free->destroy here.
2798		3802
2799	$RELOAD_WATCHER ||= Event->timer (	3803	$RELOAD_WATCHER ||= cf::async {
2800	reentrant => 0,	3804	Coro::AIO::aio_wait cache_extensions;
2801	after => 0,	3805
2802	data => WF_AUTOCANCEL,	3806	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2803	cb => sub {
2804	do_reload_perl;	3807	do_reload_perl;
2805	undef $RELOAD_WATCHER;	3808	undef $RELOAD_WATCHER;
2806	},	3809	};
2807	);	3810	};
2808	}	3811	}
2809		3812
2810	register_command "reload" => sub {	3813	register_command "reload" => sub {
2811	my ($who, $arg) = @_;	3814	my ($who, $arg) = @_;
2812		3815
2813	if ($who->flag (FLAG_WIZ)) {	3816	if ($who->flag (FLAG_WIZ)) {
2814	$who->message ("reloading server.");	3817	$who->message ("reloading server.");
		3818	async {
		3819	$Coro::current->{desc} = "perl_reload";
2815	async { reload_perl };	3820	reload_perl;
		3821	};
2816	}	3822	}
2817	};	3823	};
2818		3824
2819	unshift @INC, $LIBDIR;	3825	unshift @INC, $LIBDIR;
2820		3826
…		…
2822		3828
2823	our @WAIT_FOR_TICK;	3829	our @WAIT_FOR_TICK;
2824	our @WAIT_FOR_TICK_BEGIN;	3830	our @WAIT_FOR_TICK_BEGIN;
2825		3831
2826	sub wait_for_tick {	3832	sub wait_for_tick {
2827	return unless $TICK_WATCHER->is_active;
2828	return if $Coro::current == $Coro::main;	3833	return if tick_inhibit || $Coro::current == $Coro::main;
2829		3834
2830	my $signal = new Coro::Signal;	3835	my $signal = new Coro::Signal;
2831	push @WAIT_FOR_TICK, $signal;	3836	push @WAIT_FOR_TICK, $signal;
2832	$signal->wait;	3837	$signal->wait;
2833	}	3838	}
2834		3839
2835	sub wait_for_tick_begin {	3840	sub wait_for_tick_begin {
2836	return unless $TICK_WATCHER->is_active;
2837	return if $Coro::current == $Coro::main;	3841	return if tick_inhibit || $Coro::current == $Coro::main;
2838		3842
2839	my $signal = new Coro::Signal;	3843	my $signal = new Coro::Signal;
2840	push @WAIT_FOR_TICK_BEGIN, $signal;	3844	push @WAIT_FOR_TICK_BEGIN, $signal;
2841	$signal->wait;	3845	$signal->wait;
2842	}	3846	}
2843		3847
2844	my $min = 1e6;#d#	3848	sub tick {
2845	my $avg = 10;
2846	$TICK_WATCHER = Event->timer (
2847	reentrant => 0,
2848	parked => 1,
2849	prio => 0,
2850	at => $NEXT_TICK || $TICK,
2851	data => WF_AUTOCANCEL,
2852	cb => sub {
2853	if ($Coro::current != $Coro::main) {	3849	if ($Coro::current != $Coro::main) {
2854	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3850	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2855	unless ++$bug_warning > 10;	3851	unless ++$bug_warning > 10;
2856	return;	3852	return;
2857	}	3853	}
2858		3854
2859	$NOW = $tick_start = Event::time;
2860
2861	cf::server_tick; # one server iteration	3855	cf::server_tick; # one server iteration
2862		3856
2863	0 && sync_job {#d#	3857	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2864	for(1..10) {	3858	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2865	my $t = Event::time;	3859	Coro::async_pool {
2866	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3860	$Coro::current->{desc} = "runtime saver";
2867	or die;	3861	write_runtime_sync
2868		3862	or warn "ERROR: unable to write runtime file: $!";
2869	$map->width (50);
2870	$map->height (50);
2871	$map->alloc;
2872	$map->_load_objects ("/tmp/x.map", 1);
2873	my $t = Event::time - $t;
2874
2875	#next unless $t < 0.0013;#d#
2876	if ($t < $min) {
2877	$min = $t;
2878	}
2879	$avg = $avg * 0.99 + $t * 0.01;
2880	}
2881	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2882	exit 0;
2883	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2884	};	3863	};
		3864	}
2885		3865
2886	$RUNTIME += $TICK;
2887	$NEXT_TICK += $TICK;
2888
2889	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2890	$NEXT_RUNTIME_WRITE = $NOW + 10;
2891	Coro::async_pool {
2892	write_runtime
2893	or warn "ERROR: unable to write runtime file: $!";
2894	};
2895	}
2896
2897	# my $AFTER = Event::time;
2898	# warn $AFTER - $NOW;#d#
2899
2900	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3866	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2901	$sig->send;	3867	$sig->send;
2902	}	3868	}
2903	while (my $sig = shift @WAIT_FOR_TICK) {	3869	while (my $sig = shift @WAIT_FOR_TICK) {
2904	$sig->send;	3870	$sig->send;
2905	}	3871	}
2906		3872
2907	$NOW = Event::time;	3873	$LOAD = ($NOW - $TICK_START) / $TICK;
2908
2909	# if we are delayed by four ticks or more, skip them all
2910	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2911
2912	$TICK_WATCHER->at ($NEXT_TICK);
2913	$TICK_WATCHER->start;
2914
2915	$LOAD = ($NOW - $tick_start) / $TICK;
2916	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3874	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2917		3875
2918	_post_tick;	3876	if (0) {
2919		3877	if ($NEXT_TICK) {
2920		3878	my $jitter = $TICK_START - $NEXT_TICK;
		3879	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3880	warn "jitter $JITTER\n";#d#
		3881	}
2921	},	3882	}
2922	);	3883	}
2923		3884
2924	{	3885	{
2925	BDB::max_poll_time $TICK * 0.1;	3886	# configure BDB
2926	$BDB_POLL_WATCHER = Event->io (	3887
2927	reentrant => 0,
2928	fd => BDB::poll_fileno,
2929	poll => 'r',
2930	prio => 0,
2931	data => WF_AUTOCANCEL,
2932	cb => \&BDB::poll_cb,
2933	);
2934	BDB::min_parallel 8;	3888	BDB::min_parallel 8;
2935		3889	BDB::max_poll_reqs $TICK * 0.1;
2936	BDB::set_sync_prepare {	3890	$AnyEvent::BDB::WATCHER->priority (1);
2937	my $status;
2938	my $current = $Coro::current;
2939	(
2940	sub {
2941	$status = $!;
2942	$current->ready; undef $current;
2943	},
2944	sub {
2945	Coro::schedule while defined $current;
2946	$! = $status;
2947	},
2948	)
2949	};
2950		3891
2951	unless ($DB_ENV) {	3892	unless ($DB_ENV) {
2952	$DB_ENV = BDB::db_env_create;	3893	$DB_ENV = BDB::db_env_create;
		3894	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3895	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3896	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3897	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3898	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2953		3899
2954	cf::sync_job {	3900	cf::sync_job {
2955	eval {	3901	eval {
2956	BDB::db_env_open	3902	BDB::db_env_open
2957	$DB_ENV,	3903	$DB_ENV,
…		…
2959	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3905	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2960	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3906	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2961	0666;	3907	0666;
2962		3908
2963	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3909	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2964
2965	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2966	$DB_ENV->set_lk_detect;
2967	};	3910	};
2968		3911
2969	cf::cleanup "db_env_open(db): $@" if $@;	3912	cf::cleanup "db_env_open(db): $@" if $@;
2970	};	3913	};
2971	}	3914	}
		3915
		3916	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3917	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3918	};
		3919	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3920	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3921	};
		3922	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3923	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3924	};
2972	}	3925	}
2973		3926
2974	{	3927	{
		3928	# configure IO::AIO
		3929
2975	IO::AIO::min_parallel 8;	3930	IO::AIO::min_parallel 8;
2976
2977	undef $Coro::AIO::WATCHER;
2978	IO::AIO::max_poll_time $TICK * 0.1;	3931	IO::AIO::max_poll_time $TICK * 0.1;
2979	$AIO_POLL_WATCHER = Event->io (	3932	undef $AnyEvent::AIO::WATCHER;
2980	reentrant => 0,
2981	data => WF_AUTOCANCEL,
2982	fd => IO::AIO::poll_fileno,
2983	poll => 'r',
2984	prio => 6,
2985	cb => \&IO::AIO::poll_cb,
2986	);
2987	}	3933	}
2988		3934
2989	my $_log_backtrace;	3935	my $_log_backtrace;
2990		3936
2991	sub _log_backtrace {	3937	sub _log_backtrace {
…		…
2994	$msg =~ s/\n//;	3940	$msg =~ s/\n//;
2995		3941
2996	# limit the # of concurrent backtraces	3942	# limit the # of concurrent backtraces
2997	if ($_log_backtrace < 2) {	3943	if ($_log_backtrace < 2) {
2998	++$_log_backtrace;	3944	++$_log_backtrace;
		3945	my $perl_bt = Carp::longmess $msg;
2999	async {	3946	async {
		3947	$Coro::current->{desc} = "abt $msg";
		3948
3000	my @bt = fork_call {	3949	my @bt = fork_call {
3001	@addr = map { sprintf "%x", $_ } @addr;	3950	@addr = map { sprintf "%x", $_ } @addr;
3002	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3951	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3003	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3952	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3004	or die "addr2line: $!";	3953	or die "addr2line: $!";
…		…
3012	}	3961	}
3013		3962
3014	@funcs	3963	@funcs
3015	};	3964	};
3016		3965
3017	LOG llevInfo, "[ABT] $msg\n";	3966	LOG llevInfo, "[ABT] $perl_bt\n";
		3967	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3018	LOG llevInfo, "[ABT] $_\n" for @bt;	3968	LOG llevInfo, "[ABT] $_\n" for @bt;
3019	--$_log_backtrace;	3969	--$_log_backtrace;
3020	};	3970	};
3021	} else {	3971	} else {
3022	LOG llevInfo, "[ABT] $msg\n";	3972	LOG llevInfo, "[ABT] $msg\n";
3023	LOG llevInfo, "[ABT] [suppressed]\n";	3973	LOG llevInfo, "[ABT] [suppressed]\n";
3024	}	3974	}
3025	}	3975	}
3026		3976
3027	# load additional modules	3977	# load additional modules
3028	use cf::pod;	3978	require "cf/$_.pm" for @EXTRA_MODULES;
3029		3979
3030	END { cf::emergency_save }	3980	END { cf::emergency_save }
3031		3981
3032	1	3982	1
3033		3983

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