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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.278 by root, Mon Jun 11 21:38:14 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";	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 || []};	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	);
		1343
		1344	# "readahead" all extensions
		1345	sub cache_extensions {
		1346	my $grp = IO::AIO::aio_group;
		1347
		1348	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1349	for (grep /\.ext$/, @{$_[0]}) {
		1350	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1351	}
		1352	};
		1353
		1354	$grp
		1355	}
947		1356
948	sub load_extensions {	1357	sub load_extensions {
949	cf::sync_job {	1358	cf::sync_job {
950	my %todo;	1359	my %todo;
951		1360
…		…
967	path => $path,	1376	path => $path,
968	base => $base,	1377	base => $base,
969	pkg => $pkg,	1378	pkg => $pkg,
970	);	1379	);
971		1380
972	$ext{meta} = { map { split /=/, $_, 2 } split /\s+/, $1 }	1381	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
973	if $source =~ /^#!.*?perl.*?#\s*(.*)$/;	1382	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
974		1383
975	$ext{source} =	1384	$ext{source} =
976	"package $pkg; use strict; use utf8;\n"	1385	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
977	. "#line 1 \"$path\"\n{\n"	1386	. "#line 1 \"$path\"\n{\n"
978	. $source	1387	. $source
979	. "\n};\n1";	1388	. "\n};\n1";
980		1389
981	$todo{$base} = \%ext;	1390	$todo{$base} = \%ext;
…		…
984	my %done;	1393	my %done;
985	while (%todo) {	1394	while (%todo) {
986	my $progress;	1395	my $progress;
987		1396
988	while (my ($k, $v) = each %todo) {	1397	while (my ($k, $v) = each %todo) {
989	for (split /,\s*/, $ext{meta}{depends}) {	1398	for (split /,\s*/, $v->{meta}{depends}) {
990	goto skip	1399	goto skip
991	unless exists $done{$_};	1400	unless exists $done{$_};
992	}	1401	}
993		1402
994	warn "... loading '$k' into '$v->{pkg}'\n";	1403	warn "... loading '$k' into '$v->{pkg}'\n";
995		1404
996	unless (eval $v->{source}) {	1405	unless (eval $v->{source}) {
997	my $msg = $@ ? "$v->{path}: $@\n"	1406	my $msg = $@ ? "$v->{path}: $@\n"
998	: "extension disabled.\n";	1407	: "$v->{base}: extension inactive.\n";
999		1408
1000	if (exists $v->{meta}{mandatory}) {	1409	if (exists $v->{meta}{mandatory}) {
1001	warn $msg;	1410	warn $msg;
1002	warn "mandatory extension failed to load, exiting.\n";	1411	cf::cleanup "mandatory extension failed to load, exiting.";
1003	exit 1;
1004	}	1412	}
1005		1413
1006	die $msg;	1414	warn $msg;
1007	}	1415	}
1008		1416
1009	$done{$k} = delete $todo{$k};	1417	$done{$k} = delete $todo{$k};
1010	push @EXTS, $v->{pkg};	1418	push @EXTS, $v->{pkg};
		1419	$progress = 1;
1011	}	1420	}
1012		1421
1013	skip:	1422	skip:
1014	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1423	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1015	unless $progress;	1424	unless $progress;
…		…
1017	};	1426	};
1018	}	1427	}
1019		1428
1020	#############################################################################	1429	#############################################################################
1021		1430
		1431	=back
		1432
1022	=head2 CORE EXTENSIONS	1433	=head2 CORE EXTENSIONS
1023		1434
1024	Functions and methods that extend core crossfire objects.	1435	Functions and methods that extend core deliantra objects.
1025		1436
1026	=cut	1437	=cut
1027		1438
1028	package cf::player;	1439	package cf::player;
1029		1440
1030	use Coro::AIO;	1441	use Coro::AIO;
1031		1442
1032	=head3 cf::player	1443	=head3 cf::player
1033		1444
1034	=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	}
1035		1460
1036	=item cf::player::find $login	1461	=item cf::player::find $login
1037		1462
1038	Returns the given player object, loading it if necessary (might block).	1463	Returns the given player object, loading it if necessary (might block).
1039		1464
…		…
1058		1483
1059	sub exists($) {	1484	sub exists($) {
1060	my ($login) = @_;	1485	my ($login) = @_;
1061		1486
1062	$cf::PLAYER{$login}	1487	$cf::PLAYER{$login}
1063	or cf::sync_job { !aio_stat path $login }	1488	or !aio_stat path $login
1064	}	1489	}
1065		1490
1066	sub find($) {	1491	sub find($) {
1067	return $cf::PLAYER{$_[0]} || do {	1492	return $cf::PLAYER{$_[0]} || do {
1068	my $login = $_[0];	1493	my $login = $_[0];
…		…
1075	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1500	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1076	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1501	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1077	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1502	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1078	aio_unlink +(playerdir $login) . "/$login.pl";	1503	aio_unlink +(playerdir $login) . "/$login.pl";
1079		1504
1080	my $pl = load_pl path $login	1505	my $f = new_from_file cf::object::thawer path $login
1081	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;
1082	$cf::PLAYER{$login} = $pl	1513	$cf::PLAYER{$login} = $pl
1083	}	1514	}
1084	}	1515	}
1085	}	1516	}
1086		1517
…		…
1095	return if $pl->{deny_save};	1526	return if $pl->{deny_save};
1096		1527
1097	aio_mkdir playerdir $pl, 0770;	1528	aio_mkdir playerdir $pl, 0770;
1098	$pl->{last_save} = $cf::RUNTIME;	1529	$pl->{last_save} = $cf::RUNTIME;
1099		1530
		1531	cf::get_slot 0.01;
		1532
1100	$pl->save_pl ($path);	1533	$pl->save_pl ($path);
1101	Coro::cede;	1534	cf::cede_to_tick;
1102	}	1535	}
1103		1536
1104	sub new($) {	1537	sub new($) {
1105	my ($login) = @_;	1538	my ($login) = @_;
1106		1539
…		…
1112	$cf::PLAYER{$login} = $self;	1545	$cf::PLAYER{$login} = $self;
1113		1546
1114	$self	1547	$self
1115	}	1548	}
1116		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
1117	=item $pl->quit_character	1560	=item $pl->quit_character
1118		1561
1119	Nukes the player without looking back. If logged in, the connection will	1562	Nukes the player without looking back. If logged in, the connection will
1120	be destroyed. May block for a long time.	1563	be destroyed. May block for a long time.
1121		1564
…		…
1125	my ($pl) = @_;	1568	my ($pl) = @_;
1126		1569
1127	my $name = $pl->ob->name;	1570	my $name = $pl->ob->name;
1128		1571
1129	$pl->{deny_save} = 1;	1572	$pl->{deny_save} = 1;
1130	$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
1131		1574
1132	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1575	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1133	$pl->deactivate;	1576	$pl->deactivate;
		1577	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1578	$pl->ob->check_score;
1134	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1579	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1135	$pl->ns->destroy if $pl->ns;	1580	$pl->ns->destroy if $pl->ns;
1136		1581
1137	my $path = playerdir $pl;	1582	my $path = playerdir $pl;
1138	my $temp = "$path~$cf::RUNTIME~deleting~";	1583	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1174	or return [];	1619	or return [];
1175		1620
1176	my @logins;	1621	my @logins;
1177		1622
1178	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") {
1179	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1629	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1180	aio_read $fh, 0, 512, my $buf, 0 or next;	1630	aio_read $fh, 0, 512, my $buf, 0 or next;
1181	$buf !~ /^password -------------$/m or next; # official not-valid tag	1631	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1632	}
1182		1633
1183	utf8::decode $login;	1634	utf8::decode $login;
1184	push @logins, $login;	1635	push @logins, $login;
1185	}	1636	}
1186		1637
…		…
1213	}	1664	}
1214		1665
1215	\@paths	1666	\@paths
1216	}	1667	}
1217		1668
		1669	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1670
		1671	Expand deliantra pod fragments into protocol xml.
		1672
1218	=item $player->ext_reply ($msgid, %msg)	1673	=item $player->ext_reply ($msgid, @msg)
1219		1674
1220	Sends an ext reply to the player.	1675	Sends an ext reply to the player.
1221		1676
1222	=cut	1677	=cut
1223		1678
1224	sub ext_reply($$%) {	1679	sub ext_reply($$@) {
1225	my ($self, $id, %msg) = @_;	1680	my ($self, $id, @msg) = @_;
1226		1681
1227	$msg{msgid} = $id;	1682	$self->ns->ext_reply ($id, @msg)
1228
1229	$self->send ("ext " . cf::to_json \%msg);
1230	}	1683	}
1231		1684
1232	=item $player->ext_event ($type, %msg)	1685	=item $player->ext_msg ($type, @msg)
1233		1686
1234	Sends an ext event to the client.	1687	Sends an ext event to the client.
1235		1688
1236	=cut	1689	=cut
1237		1690
1238	sub ext_event($$%) {	1691	sub ext_msg($$@) {
1239	my ($self, $type, %msg) = @_;	1692	my ($self, $type, @msg) = @_;
1240		1693
1241	$self->ns->ext_event ($type, %msg);	1694	$self->ns->ext_msg ($type, @msg);
1242	}	1695	}
1243		1696
1244	=head3 cf::region	1697	=head3 cf::region
1245		1698
1246	=over 4	1699	=over 4
…		…
1249		1702
1250	package cf::region;	1703	package cf::region;
1251		1704
1252	=item cf::region::find_by_path $path	1705	=item cf::region::find_by_path $path
1253		1706
1254	Tries to decuce the probable region for a map knowing only its path.	1707	Tries to decuce the likely region for a map knowing only its path.
1255		1708
1256	=cut	1709	=cut
1257		1710
1258	sub find_by_path($) {	1711	sub find_by_path($) {
1259	my ($path) = @_;	1712	my ($path) = @_;
1260		1713
1261	my ($match, $specificity);	1714	my ($match, $specificity);
1262		1715
1263	for my $region (list) {	1716	for my $region (list) {
1264	if ($region->match && $path =~ $region->match) {	1717	if ($region->{match} && $path =~ $region->{match}) {
1265	($match, $specificity) = ($region, $region->specificity)	1718	($match, $specificity) = ($region, $region->specificity)
1266	if $region->specificity > $specificity;	1719	if $region->specificity > $specificity;
1267	}	1720	}
1268	}	1721	}
1269		1722
…		…
1290	our $MAX_RESET = 3600;	1743	our $MAX_RESET = 3600;
1291	our $DEFAULT_RESET = 3000;	1744	our $DEFAULT_RESET = 3000;
1292		1745
1293	sub generate_random_map {	1746	sub generate_random_map {
1294	my ($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
1295	# mit "rum" bekleckern, nicht	1751	# mit "rum" bekleckern, nicht
1296	$self->_create_random_map (	1752	$self->_create_random_map (
1297	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1753	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1298	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1754	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1299	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1755	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1389	$self->init; # pass $1 etc.	1845	$self->init; # pass $1 etc.
1390	return $self;	1846	return $self;
1391	}	1847	}
1392	}	1848	}
1393		1849
1394	Carp::carp "unable to resolve path '$path' (base '$base').";	1850	Carp::cluck "unable to resolve path '$path' (base '$base').";
1395	()	1851	()
1396	}	1852	}
1397		1853
1398	sub init {	1854	sub init {
1399	my ($self) = @_;	1855	my ($self) = @_;
…		…
1421		1877
1422	# the temporary/swap location	1878	# the temporary/swap location
1423	sub save_path {	1879	sub save_path {
1424	my ($self) = @_;	1880	my ($self) = @_;
1425		1881
1426	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1882	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1427	"$TMPDIR/$path.map"	1883	"$TMPDIR/$path.map"
1428	}	1884	}
1429		1885
1430	# the unique path, undef == no special unique path	1886	# the unique path, undef == no special unique path
1431	sub uniq_path {	1887	sub uniq_path {
1432	my ($self) = @_;	1888	my ($self) = @_;
1433		1889
1434	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1890	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1435	"$UNIQUEDIR/$path"	1891	"$UNIQUEDIR/$path"
1436	}
1437
1438	# and all this just because we cannot iterate over
1439	# all maps in C++...
1440	sub change_all_map_light {
1441	my ($change) = @_;
1442
1443	$_->change_map_light ($change)
1444	for grep $_->outdoor, values %cf::MAP;
1445	}	1892	}
1446		1893
1447	sub decay_objects {	1894	sub decay_objects {
1448	my ($self) = @_;	1895	my ($self) = @_;
1449		1896
…		…
1462		1909
1463	sub load_header_from($) {	1910	sub load_header_from($) {
1464	my ($self, $path) = @_;	1911	my ($self, $path) = @_;
1465		1912
1466	utf8::encode $path;	1913	utf8::encode $path;
1467	#aio_open $path, O_RDONLY, 0	1914	my $f = new_from_file cf::object::thawer $path
1468	# or return;
1469
1470	$self->_load_header ($path)
1471	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;
1472		1922
1473	$self->{load_path} = $path;	1923	$self->{load_path} = $path;
1474		1924
1475	1	1925	1
1476	}	1926	}
…		…
1530	sub find {	1980	sub find {
1531	my ($path, $origin) = @_;	1981	my ($path, $origin) = @_;
1532		1982
1533	$path = normalise $path, $origin && $origin->path;	1983	$path = normalise $path, $origin && $origin->path;
1534		1984
		1985	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1535	cf::lock_wait "map_find:$path";	1986	my $guard2 = cf::lock_acquire "map_find:$path";
1536		1987
1537	$cf::MAP{$path} || do {	1988	$cf::MAP{$path} || do {
1538	my $guard = cf::lock_acquire "map_find:$path";
1539	my $map = new_from_path cf::map $path	1989	my $map = new_from_path cf::map $path
1540	or return;	1990	or return;
1541		1991
1542	$map->{last_save} = $cf::RUNTIME;	1992	$map->{last_save} = $cf::RUNTIME;
1543		1993
…		…
1545	or return;	1995	or return;
1546		1996
1547	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1997	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1548	# doing this can freeze the server in a sync job, obviously	1998	# doing this can freeze the server in a sync job, obviously
1549	#$cf::WAIT_FOR_TICK->wait;	1999	#$cf::WAIT_FOR_TICK->wait;
		2000	undef $guard2;
		2001	undef $guard1;
1550	$map->reset;	2002	$map->reset;
1551	undef $guard;
1552	return find $path;	2003	return find $path;
1553	}	2004	}
1554		2005
1555	$cf::MAP{$path} = $map	2006	$cf::MAP{$path} = $map
1556	}	2007	}
…		…
1565	local $self->{deny_reset} = 1; # loading can take a long time	2016	local $self->{deny_reset} = 1; # loading can take a long time
1566		2017
1567	my $path = $self->{path};	2018	my $path = $self->{path};
1568		2019
1569	{	2020	{
1570	my $guard = cf::lock_acquire "map_load:$path";	2021	my $guard = cf::lock_acquire "map_data:$path";
1571		2022
		2023	return unless $self->valid;
1572	return if $self->in_memory != cf::MAP_SWAPPED;	2024	return unless $self->in_memory == cf::MAP_SWAPPED;
1573		2025
1574	$self->in_memory (cf::MAP_LOADING);	2026	$self->in_memory (cf::MAP_LOADING);
1575		2027
1576	$self->alloc;	2028	$self->alloc;
1577		2029
1578	$self->pre_load;	2030	$self->pre_load;
1579	Coro::cede;	2031	cf::cede_to_tick;
1580		2032
		2033	my $f = new_from_file cf::object::thawer $self->{load_path};
		2034	$f->skip_block;
1581	$self->_load_objects ($self->{load_path}, 1)	2035	$self->_load_objects ($f)
1582	or return;	2036	or return;
1583		2037
1584	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2038	$self->post_load_original
1585	if delete $self->{load_original};	2039	if delete $self->{load_original};
1586		2040
1587	if (my $uniq = $self->uniq_path) {	2041	if (my $uniq = $self->uniq_path) {
1588	utf8::encode $uniq;	2042	utf8::encode $uniq;
1589	if (aio_open $uniq, O_RDONLY, 0) {	2043	unless (aio_stat $uniq) {
		2044	if (my $f = new_from_file cf::object::thawer $uniq) {
1590	$self->clear_unique_items;	2045	$self->clear_unique_items;
1591	$self->_load_objects ($uniq, 0);	2046	$self->_load_objects ($f);
		2047	$f->resolve_delayed_derefs;
		2048	}
1592	}	2049	}
1593	}	2050	}
1594		2051
1595	Coro::cede;	2052	$f->resolve_delayed_derefs;
		2053
		2054	cf::cede_to_tick;
1596	# now do the right thing for maps	2055	# now do the right thing for maps
1597	$self->link_multipart_objects;	2056	$self->link_multipart_objects;
1598	$self->difficulty ($self->estimate_difficulty)	2057	$self->difficulty ($self->estimate_difficulty)
1599	unless $self->difficulty;	2058	unless $self->difficulty;
1600	Coro::cede;	2059	cf::cede_to_tick;
1601		2060
1602	unless ($self->{deny_activate}) {	2061	unless ($self->{deny_activate}) {
1603	$self->decay_objects;	2062	$self->decay_objects;
1604	$self->fix_auto_apply;	2063	$self->fix_auto_apply;
1605	$self->update_buttons;	2064	$self->update_buttons;
1606	Coro::cede;	2065	cf::cede_to_tick;
1607	$self->set_darkness_map;
1608	Coro::cede;
1609	$self->activate;	2066	$self->activate;
1610	}	2067	}
1611		2068
		2069	$self->{last_save} = $cf::RUNTIME;
		2070	$self->last_access ($cf::RUNTIME);
		2071
1612	$self->in_memory (cf::MAP_IN_MEMORY);	2072	$self->in_memory (cf::MAP_ACTIVE);
1613	}	2073	}
1614		2074
1615	$self->post_load;	2075	$self->post_load;
1616	}	2076	}
1617		2077
…		…
1626		2086
1627	$self	2087	$self
1628	}	2088	}
1629		2089
1630	# find and load all maps in the 3x3 area around a map	2090	# find and load all maps in the 3x3 area around a map
1631	sub load_diag {	2091	sub load_neighbours {
1632	my ($map) = @_;	2092	my ($map) = @_;
1633		2093
1634	my @diag; # diagonal neighbours	2094	my @neigh; # diagonal neighbours
1635		2095
1636	for (0 .. 3) {	2096	for (0 .. 3) {
1637	my $neigh = $map->tile_path ($_)	2097	my $neigh = $map->tile_path ($_)
1638	or next;	2098	or next;
1639	$neigh = find $neigh, $map	2099	$neigh = find $neigh, $map
1640	or next;	2100	or next;
1641	$neigh->load;	2101	$neigh->load;
1642		2102
		2103	push @neigh,
1643	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2104	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1644	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2105	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1645	}	2106	}
1646		2107
1647	for (@diag) {	2108	for (grep defined $_->[0], @neigh) {
		2109	my ($path, $origin) = @$_;
1648	my $neigh = find @$_	2110	my $neigh = find $path, $origin
1649	or next;	2111	or next;
1650	$neigh->load;	2112	$neigh->load;
1651	}	2113	}
1652	}	2114	}
1653		2115
…		…
1658	}	2120	}
1659		2121
1660	sub do_load_sync {	2122	sub do_load_sync {
1661	my ($map) = @_;	2123	my ($map) = @_;
1662		2124
		2125	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2126	if $Coro::current == $Coro::main;
		2127
1663	cf::sync_job { $map->load };	2128	cf::sync_job { $map->load };
1664	}	2129	}
1665		2130
1666	our %MAP_PREFETCH;	2131	our %MAP_PREFETCH;
1667	our $MAP_PREFETCHER = undef;	2132	our $MAP_PREFETCHER = undef;
1668		2133
1669	sub find_async {	2134	sub find_async {
1670	my ($path, $origin) = @_;	2135	my ($path, $origin, $load) = @_;
1671		2136
1672	$path = normalise $path, $origin && $origin->{path};	2137	$path = normalise $path, $origin && $origin->{path};
1673		2138
1674	if (my $map = $cf::MAP{$path}) {	2139	if (my $map = $cf::MAP{$path}) {
1675	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2140	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1676	}	2141	}
1677		2142
1678	undef $MAP_PREFETCH{$path};	2143	$MAP_PREFETCH{$path} |= $load;
		2144
1679	$MAP_PREFETCHER ||= cf::async {	2145	$MAP_PREFETCHER ||= cf::async {
		2146	$Coro::current->{desc} = "map prefetcher";
		2147
1680	while (%MAP_PREFETCH) {	2148	while (%MAP_PREFETCH) {
1681	for my $path (keys %MAP_PREFETCH) {	2149	while (my ($k, $v) = each %MAP_PREFETCH) {
1682	my $map = find $path	2150	if (my $map = find $k) {
1683	or next;
1684	$map->load;	2151	$map->load if $v;
		2152	}
1685		2153
1686	delete $MAP_PREFETCH{$path};	2154	delete $MAP_PREFETCH{$k};
1687	}	2155	}
1688	}	2156	}
1689	undef $MAP_PREFETCHER;	2157	undef $MAP_PREFETCHER;
1690	};	2158	};
1691	$MAP_PREFETCHER->prio (6);	2159	$MAP_PREFETCHER->prio (6);
…		…
1694	}	2162	}
1695		2163
1696	sub save {	2164	sub save {
1697	my ($self) = @_;	2165	my ($self) = @_;
1698		2166
1699	my $lock = cf::lock_acquire "map_data:" . $self->path;	2167	my $lock = cf::lock_acquire "map_data:$self->{path}";
1700		2168
1701	$self->{last_save} = $cf::RUNTIME;	2169	$self->{last_save} = $cf::RUNTIME;
1702		2170
1703	return unless $self->dirty;	2171	return unless $self->dirty;
1704		2172
…		…
1710	return if $self->{deny_save};	2178	return if $self->{deny_save};
1711		2179
1712	local $self->{last_access} = $self->last_access;#d#	2180	local $self->{last_access} = $self->last_access;#d#
1713		2181
1714	cf::async {	2182	cf::async {
		2183	$Coro::current->{desc} = "map player save";
1715	$_->contr->save for $self->players;	2184	$_->contr->save for $self->players;
1716	};	2185	};
		2186
		2187	cf::get_slot 0.02;
1717		2188
1718	if ($uniq) {	2189	if ($uniq) {
1719	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2190	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1720	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2191	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1721	} else {	2192	} else {
…		…
1727	my ($self) = @_;	2198	my ($self) = @_;
1728		2199
1729	# save first because save cedes	2200	# save first because save cedes
1730	$self->save;	2201	$self->save;
1731		2202
1732	my $lock = cf::lock_acquire "map_data:" . $self->path;	2203	my $lock = cf::lock_acquire "map_data:$self->{path}";
1733		2204
1734	return if $self->players;	2205	return if $self->players;
1735	return if $self->in_memory != cf::MAP_IN_MEMORY;	2206	return if $self->in_memory != cf::MAP_ACTIVE;
1736	return if $self->{deny_save};	2207	return if $self->{deny_save};
1737		2208
		2209	$self->in_memory (cf::MAP_SWAPPED);
		2210
		2211	$self->deactivate;
		2212	$_->clear_links_to ($self) for values %cf::MAP;
1738	$self->clear;	2213	$self->clear;
1739	$self->in_memory (cf::MAP_SWAPPED);
1740	}	2214	}
1741		2215
1742	sub reset_at {	2216	sub reset_at {
1743	my ($self) = @_;	2217	my ($self) = @_;
1744		2218
…		…
1762		2236
1763	my $lock = cf::lock_acquire "map_data:$self->{path}";	2237	my $lock = cf::lock_acquire "map_data:$self->{path}";
1764		2238
1765	return if $self->players;	2239	return if $self->players;
1766		2240
1767	warn "resetting map ", $self->path;	2241	warn "resetting map ", $self->path, "\n";
1768		2242
1769	$self->in_memory (cf::MAP_SWAPPED);	2243	$self->in_memory (cf::MAP_SWAPPED);
1770		2244
1771	# need to save uniques path	2245	# need to save uniques path
1772	unless ($self->{deny_save}) {	2246	unless ($self->{deny_save}) {
…		…
1776	if $uniq;	2250	if $uniq;
1777	}	2251	}
1778		2252
1779	delete $cf::MAP{$self->path};	2253	delete $cf::MAP{$self->path};
1780		2254
		2255	$self->deactivate;
		2256	$_->clear_links_to ($self) for values %cf::MAP;
1781	$self->clear;	2257	$self->clear;
1782
1783	$_->clear_links_to ($self) for values %cf::MAP;
1784		2258
1785	$self->unlink_save;	2259	$self->unlink_save;
1786	$self->destroy;	2260	$self->destroy;
1787	}	2261	}
1788		2262
1789	my $nuke_counter = "aaaa";	2263	my $nuke_counter = "aaaa";
1790		2264
1791	sub nuke {	2265	sub nuke {
1792	my ($self) = @_;	2266	my ($self) = @_;
1793		2267
		2268	{
		2269	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2270
1794	delete $cf::MAP{$self->path};	2271	delete $cf::MAP{$self->path};
1795		2272
1796	$self->unlink_save;	2273	$self->unlink_save;
1797		2274
1798	bless $self, "cf::map";	2275	bless $self, "cf::map";
1799	delete $self->{deny_reset};	2276	delete $self->{deny_reset};
1800	$self->{deny_save} = 1;	2277	$self->{deny_save} = 1;
1801	$self->reset_timeout (1);	2278	$self->reset_timeout (1);
1802	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2279	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1803		2280
1804	$cf::MAP{$self->path} = $self;	2281	$cf::MAP{$self->path} = $self;
		2282	}
1805		2283
1806	$self->reset; # polite request, might not happen	2284	$self->reset; # polite request, might not happen
1807	}	2285	}
1808		2286
1809	=item $maps = cf::map::tmp_maps	2287	=item $maps = cf::map::tmp_maps
…		…
1851		2329
1852	sub unique_maps() {	2330	sub unique_maps() {
1853	[	2331	[
1854	map {	2332	map {
1855	utf8::decode $_;	2333	utf8::decode $_;
1856	/\.map$/	2334	s/\.map$//; # TODO future compatibility hack
		2335	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2336	? ()
1857	? normalise $_	2337	: normalise $_
1858	: ()
1859	} @{ aio_readdir $UNIQUEDIR or [] }	2338	} @{ aio_readdir $UNIQUEDIR or [] }
1860	]	2339	]
1861	}	2340	}
1862		2341
1863	package cf;
1864
1865	=back	2342	=back
1866		2343
1867	=head3 cf::object	2344	=head3 cf::object
1868		2345
1869	=cut	2346	=cut
…		…
1872		2349
1873	=over 4	2350	=over 4
1874		2351
1875	=item $ob->inv_recursive	2352	=item $ob->inv_recursive
1876		2353
1877	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.
1878		2356
1879	=cut	2357	=cut
1880		2358
1881	sub inv_recursive_;	2359	sub inv_recursive_;
1882	sub inv_recursive_ {	2360	sub inv_recursive_ {
…		…
1885		2363
1886	sub inv_recursive {	2364	sub inv_recursive {
1887	inv_recursive_ inv $_[0]	2365	inv_recursive_ inv $_[0]
1888	}	2366	}
1889		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
1890	package cf;	2396	package cf;
1891		2397
1892	=back	2398	=back
1893		2399
1894	=head3 cf::object::player	2400	=head3 cf::object::player
…		…
1900	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>
1901	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
1902	dialogue with the given NPC character.	2408	dialogue with the given NPC character.
1903		2409
1904	=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	};
1905		2425
1906	# rough implementation of a future "reply" method that works	2426	# rough implementation of a future "reply" method that works
1907	# with dialog boxes.	2427	# with dialog boxes.
1908	#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
1909	sub cf::object::player::reply($$$;$) {	2429	sub cf::object::player::reply($$$;$) {
…		…
1911		2431
1912	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2432	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1913		2433
1914	if ($self->{record_replies}) {	2434	if ($self->{record_replies}) {
1915	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2435	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2436
1916	} 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 {
1917	$msg = $npc->name . " says: $msg" if $npc;	2445	$msg = $npc->name . " says: $msg" if $npc;
1918	$self->message ($msg, $flags);	2446	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2447	}
1919	}	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 (@_);
1920	}	2459	}
1921		2460
1922	=item $player_object->may ("access")	2461	=item $player_object->may ("access")
1923		2462
1924	Returns wether the given player is authorized to access resource "access"	2463	Returns wether the given player is authorized to access resource "access"
…		…
1937		2476
1938	=item $player_object->enter_link	2477	=item $player_object->enter_link
1939		2478
1940	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}>).
1941		2480
1942	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.
1943	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.
1944		2485
1945	Will never block.	2486	Will never block.
1946		2487
1947	=item $player_object->leave_link ($map, $x, $y)	2488	=item $player_object->leave_link ($map, $x, $y)
1948		2489
…		…
2003	# use -1 or undef as default coordinates, not 0, 0	2544	# use -1 or undef as default coordinates, not 0, 0
2004	($x, $y) = ($map->enter_x, $map->enter_y)	2545	($x, $y) = ($map->enter_x, $map->enter_y)
2005	if $x <=0 && $y <= 0;	2546	if $x <=0 && $y <= 0;
2006		2547
2007	$map->load;	2548	$map->load;
2008	$map->load_diag;	2549	$map->load_neighbours;
2009		2550
2010	return unless $self->contr->active;	2551	return unless $self->contr->active;
2011	$self->activate_recursive;
2012		2552
2013	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2553	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2014	$self->enter_map ($map, $x, $y);	2554	$self->enter_map ($map, $x, $y);
2015	}
2016		2555
		2556	# only activate afterwards, to support waiting in hooks
		2557	$self->activate_recursive;
		2558	}
		2559
2017	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2560	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2018		2561
2019	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
2020	her, loading and preparing them map, calling the provided $check callback	2563	her, loading and preparing them map, calling the provided $check callback
2021	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
2022	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 >>.
2023		2570
2024	=cut	2571	=cut
2025		2572
2026	our $GOTOGEN;	2573	our $GOTOGEN;
2027		2574
2028	sub cf::object::player::goto {	2575	sub cf::object::player::goto {
2029	my ($self, $path, $x, $y, $check) = @_;	2576	my ($self, $path, $x, $y, $check, $done) = @_;
2030		2577
2031	# 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
2032	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2579	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2033		2580
2034	$self->enter_link;	2581	$self->enter_link;
2035		2582
2036	(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
2037	my $map = eval {	2605	my $map = eval {
2038	my $map = cf::map::find $path;	2606	my $map = defined $path ? cf::map::find $path : undef;
2039		2607
2040	if ($map) {	2608	if ($map) {
2041	$map = $map->customise_for ($self);	2609	$map = $map->customise_for ($self);
2042	$map = $check->($map) if $check && $map;	2610	$map = $check->($map) if $check && $map;
2043	} else {	2611	} else {
2044	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2612	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2045	}	2613	}
2046		2614
2047	$map	2615	$map
2048	};	2616	};
2049		2617
…		…
2054		2622
2055	if ($gen == $self->{_goto_generation}) {	2623	if ($gen == $self->{_goto_generation}) {
2056	delete $self->{_goto_generation};	2624	delete $self->{_goto_generation};
2057	$self->leave_link ($map, $x, $y);	2625	$self->leave_link ($map, $x, $y);
2058	}	2626	}
		2627
		2628	$done->() if $done;
2059	})->prio (1);	2629	})->prio (1);
2060	}	2630	}
2061		2631
2062	=item $player_object->enter_exit ($exit_object)	2632	=item $player_object->enter_exit ($exit_object)
2063		2633
…		…
2083	}	2653	}
2084		2654
2085	sub prepare_random_map {	2655	sub prepare_random_map {
2086	my ($exit) = @_;	2656	my ($exit) = @_;
2087		2657
2088	my $guard = cf::lock_acquire "exit_prepare:$exit";
2089
2090	# all this does is basically replace the /! path by	2658	# all this does is basically replace the /! path by
2091	# a new random map path (?random/...) with a seed	2659	# a new random map path (?random/...) with a seed
2092	# that depends on the exit object	2660	# that depends on the exit object
2093		2661
2094	my $rmp = parse_random_map_params $exit->msg;	2662	my $rmp = parse_random_map_params $exit->msg;
…		…
2096	if ($exit->map) {	2664	if ($exit->map) {
2097	$rmp->{region} = $exit->region->name;	2665	$rmp->{region} = $exit->region->name;
2098	$rmp->{origin_map} = $exit->map->path;	2666	$rmp->{origin_map} = $exit->map->path;
2099	$rmp->{origin_x} = $exit->x;	2667	$rmp->{origin_x} = $exit->x;
2100	$rmp->{origin_y} = $exit->y;	2668	$rmp->{origin_y} = $exit->y;
		2669
		2670	$exit->map->touch;
2101	}	2671	}
2102		2672
2103	$rmp->{random_seed} ||= $exit->random_seed;	2673	$rmp->{random_seed} ||= $exit->random_seed;
2104		2674
2105	my $data = cf::to_json $rmp;	2675	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2106	my $md5 = Digest::MD5::md5_hex $data;	2676	my $md5 = Digest::MD5::md5_hex $data;
2107	my $meta = "$RANDOMDIR/$md5.meta";	2677	my $meta = "$RANDOMDIR/$md5.meta";
2108		2678
2109	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2679	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2110	aio_write $fh, 0, (length $data), $data, 0;	2680	aio_write $fh, 0, (length $data), $data, 0;
2111	undef $fh;	2681	undef $fh;
2112	aio_rename "$meta~", $meta;	2682	aio_rename "$meta~", $meta;
2113		2683
		2684	my $slaying = "?random/$md5";
		2685
		2686	if ($exit->valid) {
2114	$exit->slaying ("?random/$md5");	2687	$exit->slaying ("?random/$md5");
2115	$exit->msg (undef);	2688	$exit->msg (undef);
		2689	}
2116	}	2690	}
2117	}	2691	}
2118		2692
2119	sub cf::object::player::enter_exit {	2693	sub cf::object::player::enter_exit {
2120	my ($self, $exit) = @_;	2694	my ($self, $exit) = @_;
2121		2695
2122	return unless $self->type == cf::PLAYER;	2696	return unless $self->type == cf::PLAYER;
2123		2697
2124	if ($exit->slaying eq "/!") {
2125	#TODO: this should de-fi-ni-te-ly not be a sync-job
2126	# the problem is that $exit might not survive long enough
2127	# so it needs to be done right now, right here
2128	cf::sync_job { prepare_random_map $exit };
2129	}
2130
2131	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2132	my $hp = $exit->stats->hp;
2133	my $sp = $exit->stats->sp;
2134
2135	$self->enter_link;	2698	$self->enter_link;
2136		2699
2137	(async {	2700	(async {
2138	$self->deactivate_recursive; # just to be sure	2701	$Coro::current->{desc} = "enter_exit";
		2702
2139	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
2140	$self->goto ($slaying, $hp, $sp);	2718	$self->goto ($map, $x, $y);
2141		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
2142	1;	2724	1
2143	}) {	2725	}) {
2144	$self->message ("Something went wrong deep within the crossfire server. "	2726	$self->message ("Something went wrong deep within the deliantra server. "
2145	. "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. "
2146	. "Please report this to the dungeon master!",	2728	. "Please report this to the dungeon master!",
2147	cf::NDI_UNIQUE | cf::NDI_RED);	2729	cf::NDI_UNIQUE | cf::NDI_RED);
2148		2730
2149	warn "ERROR in enter_exit: $@";	2731	warn "ERROR in enter_exit: $@";
…		…
2168		2750
2169	utf8::encode $text;	2751	utf8::encode $text;
2170	$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);
2171	}	2753	}
2172		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
2173	=item $client->ext_event ($type, %msg)	2915	=item $client->ext_msg ($type, @msg)
2174		2916
2175	Sends an exti event to the client.	2917	Sends an ext event to the client.
2176		2918
2177	=cut	2919	=cut
2178		2920
2179	sub cf::client::ext_event($$%) {	2921	sub cf::client::ext_msg($$@) {
2180	my ($self, $type, %msg) = @_;	2922	my ($self, $type, @msg) = @_;
2181		2923
		2924	if ($self->extcmd == 2) {
		2925	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2926	} elsif ($self->extcmd == 1) { # TODO: remove
2182	$msg{msgtype} = "event_$type";	2927	push @msg, msgtype => "event_$type";
2183	$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	}
2184	}	2948	}
2185		2949
2186	=item $success = $client->query ($flags, "text", \&cb)	2950	=item $success = $client->query ($flags, "text", \&cb)
2187		2951
2188	Queues a query to the client, calling the given callback with	2952	Queues a query to the client, calling the given callback with
2189	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>,
2190	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>.
2191		2955
2192	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
2193	reliable at some point in the future.	2957	become reliable at some point in the future.
2194		2958
2195	=cut	2959	=cut
2196		2960
2197	sub cf::client::query {	2961	sub cf::client::query {
2198	my ($self, $flags, $text, $cb) = @_;	2962	my ($self, $flags, $text, $cb) = @_;
…		…
2206	utf8::encode $text;	2970	utf8::encode $text;
2207	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2971	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2208		2972
2209	$self->send_packet ($self->{query_queue}[0][0])	2973	$self->send_packet ($self->{query_queue}[0][0])
2210	if @{ $self->{query_queue} } == 1;	2974	if @{ $self->{query_queue} } == 1;
		2975
		2976	1
2211	}	2977	}
2212		2978
2213	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	},
2214	on_reply => sub {	2985	on_reply => sub {
2215	my ($ns, $msg) = @_;	2986	my ($ns, $msg) = @_;
2216		2987
2217	# this weird shuffling is so that direct followup queries	2988	# this weird shuffling is so that direct followup queries
2218	# get handled first	2989	# get handled first
…		…
2230	} else {	3001	} else {
2231	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3002	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2232	}	3003	}
2233	}	3004	}
2234	},	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	},
2235	);	3032	);
2236		3033
2237	=item $client->async (\&cb)	3034	=item $client->async (\&cb)
2238		3035
2239	Create a new coroutine, running the specified callback. The coroutine will	3036	Create a new coroutine, running the specified callback. The coroutine will
…		…
2280	our $safe = new Safe "safe";	3077	our $safe = new Safe "safe";
2281	our $safe_hole = new Safe::Hole;	3078	our $safe_hole = new Safe::Hole;
2282		3079
2283	$SIG{FPE} = 'IGNORE';	3080	$SIG{FPE} = 'IGNORE';
2284		3081
2285	$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	));
2286		3087
2287	# here we export the classes and methods available to script code	3088	# here we export the classes and methods available to script code
2288		3089
2289	=pod	3090	=pod
2290		3091
2291	The following functions and methods are available within a safe environment:	3092	The following functions and methods are available within a safe environment:
2292		3093
2293	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
2294	cf::object::player player	3099	cf::object::player
2295	cf::player peaceful	3100	player
2296	cf::map trigger	3101
		3102	cf::player
		3103	peaceful
		3104
		3105	cf::map
		3106	trigger
2297		3107
2298	=cut	3108	=cut
2299		3109
2300	for (	3110	for (
2301	["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)],
2302	["cf::object::player" => qw(player)],	3114	["cf::object::player" => qw(player)],
2303	["cf::player" => qw(peaceful)],	3115	["cf::player" => qw(peaceful send_msg)],
2304	["cf::map" => qw(trigger)],	3116	["cf::map" => qw(trigger)],
2305	) {	3117	) {
2306	no strict 'refs';	3118	no strict 'refs';
2307	my ($pkg, @funs) = @$_;	3119	my ($pkg, @funs) = @$_;
2308	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3120	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2325	my ($code, %vars) = @_;	3137	my ($code, %vars) = @_;
2326		3138
2327	my $qcode = $code;	3139	my $qcode = $code;
2328	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3140	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2329	$qcode =~ s/\n/\\n/g;	3141	$qcode =~ s/\n/\\n/g;
		3142
		3143	%vars = (_dummy => 0) unless %vars;
2330		3144
2331	local $_;	3145	local $_;
2332	local @safe::cf::_safe_eval_args = values %vars;	3146	local @safe::cf::_safe_eval_args = values %vars;
2333		3147
2334	my $eval =	3148	my $eval =
…		…
2377	=back	3191	=back
2378		3192
2379	=cut	3193	=cut
2380		3194
2381	#############################################################################	3195	#############################################################################
2382
2383	=head2 EXTENSION DATABASE SUPPORT
2384
2385	Crossfire maintains a very simple database for extension use. It can
2386	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2387	convert to/from binary).
2388
2389	The parameter C<$family> should best start with the name of the extension
2390	using it, it should be unique.
2391
2392	=over 4
2393
2394	=item $value = cf::db_get $family => $key
2395
2396	Returns a single value from the database.
2397
2398	=item cf::db_put $family => $key => $value
2399
2400	Stores the given C<$value> in the family.
2401
2402	=cut
2403
2404	our $DB;
2405
2406	sub db_init {
2407	unless ($DB) {
2408	$DB = BDB::db_create $DB_ENV;
2409
2410	cf::sync_job {
2411	eval {
2412	$DB->set_flags (BDB::CHKSUM);
2413
2414	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2415	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2416	cf::cleanup "db_open(db): $!" if $!;
2417	};
2418	cf::cleanup "db_open(db): $@" if $@;
2419	};
2420	}
2421	}
2422
2423	sub db_get($$) {
2424	my $key = "$_[0]/$_[1]";
2425
2426	cf::sync_job {
2427	BDB::db_get $DB, undef, $key, my $data;
2428
2429	$! ? ()
2430	: $data
2431	}
2432	}
2433
2434	sub db_put($$$) {
2435	BDB::dbreq_pri 4;
2436	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2437	}
2438
2439	=item cf::cache $id => [$paths...], $processversion => $process
2440
2441	Generic caching function that returns the value of the resource $id,
2442	caching and regenerating as required.
2443
2444	This function can block.
2445
2446	=cut
2447
2448	sub cache {
2449	my ($id, $src, $processversion, $process) = @_;
2450
2451	my $meta =
2452	join "\x00",
2453	$processversion,
2454	map {
2455	aio_stat $_
2456	and Carp::croak "$_: $!";
2457
2458	($_, (stat _)[7,9])
2459	} @$src;
2460
2461	my $dbmeta = db_get cache => "$id/meta";
2462	if ($dbmeta ne $meta) {
2463	# changed, we may need to process
2464
2465	my @data;
2466	my $md5;
2467
2468	for (0 .. $#$src) {
2469	0 <= aio_load $src->[$_], $data[$_]
2470	or Carp::croak "$src->[$_]: $!";
2471	}
2472
2473	# if processing is expensive, check
2474	# checksum first
2475	if (1) {
2476	$md5 =
2477	join "\x00",
2478	$processversion,
2479	map {
2480	Coro::cede;
2481	($src->[$_], Digest::MD5::md5_hex $data[$_])
2482	} 0.. $#$src;
2483
2484
2485	my $dbmd5 = db_get cache => "$id/md5";
2486	if ($dbmd5 eq $md5) {
2487	db_put cache => "$id/meta", $meta;
2488
2489	return db_get cache => "$id/data";
2490	}
2491	}
2492
2493	my $t1 = Time::HiRes::time;
2494	my $data = $process->(\@data);
2495	my $t2 = Time::HiRes::time;
2496
2497	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2498
2499	db_put cache => "$id/data", $data;
2500	db_put cache => "$id/md5" , $md5;
2501	db_put cache => "$id/meta", $meta;
2502
2503	return $data;
2504	}
2505
2506	db_get cache => "$id/data"
2507	}
2508
2509	=item fork_call { }, $args
2510
2511	Executes the given code block with the given arguments in a seperate
2512	process, returning the results. Everything must be serialisable with
2513	Coro::Storable. May, of course, block. Note that the executed sub may
2514	never block itself or use any form of Event handling.
2515
2516	=cut
2517
2518	sub fork_call(&@) {
2519	my ($cb, @args) = @_;
2520
2521	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2522	# or die "socketpair: $!";
2523	pipe my $fh1, my $fh2
2524	or die "pipe: $!";
2525
2526	if (my $pid = fork) {
2527	close $fh2;
2528
2529	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2530	$res = Coro::Storable::thaw $res;
2531
2532	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2533
2534	die $$res unless "ARRAY" eq ref $res;
2535
2536	return wantarray ? @$res : $res->[-1];
2537	} else {
2538	reset_signals;
2539	local $SIG{__WARN__};
2540	local $SIG{__DIE__};
2541	eval {
2542	close $fh1;
2543
2544	my @res = eval { $cb->(@args) };
2545	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2546	};
2547
2548	warn $@ if $@;
2549	_exit 0;
2550	}
2551	}
2552
2553	#############################################################################
2554	# the server's init and main functions	3196	# the server's init and main functions
2555		3197
2556	sub load_facedata($) {	3198	sub load_facedata($) {
2557	my ($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;
2558		3206
2559	warn "loading facedata from $path\n";	3207	warn "loading facedata from $path\n";
2560		3208
2561	my $facedata;	3209	my $facedata;
2562	0 < aio_load $path, $facedata	3210	0 < aio_load $path, $facedata
…		…
2565	$facedata = Coro::Storable::thaw $facedata;	3213	$facedata = Coro::Storable::thaw $facedata;
2566		3214
2567	$facedata->{version} == 2	3215	$facedata->{version} == 2
2568	or cf::cleanup "$path: version mismatch, cannot proceed.";	3216	or cf::cleanup "$path: version mismatch, cannot proceed.";
2569		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
2570	{	3225	{
2571	my $faces = $facedata->{faceinfo};	3226	my $faces = $facedata->{faceinfo};
2572		3227
2573	while (my ($face, $info) = each %$faces) {	3228	while (my ($face, $info) = each %$faces) {
2574	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3229	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3230
2575	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3231	cf::face::set_visibility $idx, $info->{visibility};
		3232	cf::face::set_magicmap $idx, $info->{magicmap};
2576	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3233	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2577	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3234	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2578	Coro::cede;	3235
		3236	cf::cede_to_tick;
2579	}	3237	}
2580		3238
2581	while (my ($face, $info) = each %$faces) {	3239	while (my ($face, $info) = each %$faces) {
2582	next unless $info->{smooth};	3240	next unless $info->{smooth};
		3241
2583	my $idx = cf::face::find $face	3242	my $idx = cf::face::find $face
2584	or next;	3243	or next;
		3244
2585	if (my $smooth = cf::face::find $info->{smooth}) {	3245	if (my $smooth = cf::face::find $info->{smooth}) {
		3246	cf::face::set_smooth $idx, $smooth;
2586	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3247	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2587	} else {	3248	} else {
2588	warn "smooth face '$info->{smooth}' not found for face '$face'";	3249	warn "smooth face '$info->{smooth}' not found for face '$face'";
2589	}	3250	}
2590	Coro::cede;	3251
		3252	cf::cede_to_tick;
2591	}	3253	}
2592	}	3254	}
2593		3255
2594	{	3256	{
2595	my $anims = $facedata->{animinfo};	3257	my $anims = $facedata->{animinfo};
2596		3258
2597	while (my ($anim, $info) = each %$anims) {	3259	while (my ($anim, $info) = each %$anims) {
2598	cf::anim::set $anim, $info->{frames}, $info->{facings};	3260	cf::anim::set $anim, $info->{frames}, $info->{facings};
2599	Coro::cede;	3261	cf::cede_to_tick;
2600	}	3262	}
2601		3263
2602	cf::anim::invalidate_all; # d'oh	3264	cf::anim::invalidate_all; # d'oh
2603	}	3265	}
2604		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
2605	1	3302	1
2606	}	3303	}
2607		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	$status
		3341	}
		3342
2608	sub reload_regions {	3343	sub reload_regions {
		3344	# HACK to clear player env face cache, we need some signal framework
		3345	# for this (global event?)
		3346	%ext::player_env::MUSIC_FACE_CACHE = ();
		3347
2609	load_resource_file "$MAPDIR/regions"	3348	load_resource_file "$MAPDIR/regions"
2610	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 $_->{match};
		3354	}
2611	}	3355	}
2612		3356
2613	sub reload_facedata {	3357	sub reload_facedata {
2614	load_facedata "$DATADIR/facedata"	3358	load_facedata "$DATADIR/facedata"
2615	or die "unable to load facedata\n";	3359	or die "unable to load facedata\n";
…		…
2626	}	3370	}
2627		3371
2628	sub reload_resources {	3372	sub reload_resources {
2629	warn "reloading resource files...\n";	3373	warn "reloading resource files...\n";
2630		3374
		3375	reload_facedata;
		3376	reload_archetypes;
2631	reload_regions;	3377	reload_regions;
2632	reload_facedata;
2633	#reload_archetypes;#d#
2634	reload_archetypes;
2635	reload_treasures;	3378	reload_treasures;
2636		3379
2637	warn "finished reloading resource files\n";	3380	warn "finished reloading resource files\n";
2638	}	3381	}
2639		3382
2640	sub init {	3383	sub reload_config {
2641	reload_resources;
2642	}
2643
2644	sub cfg_load {
2645	open my $fh, "<:utf8", "$CONFDIR/config"	3384	open my $fh, "<:utf8", "$CONFDIR/config"
2646	or return;	3385	or return;
2647		3386
2648	local $/;	3387	local $/;
2649	*CFG = YAML::Syck::Load <$fh>;	3388	*CFG = YAML::Load <$fh>;
2650		3389
2651	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3390	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2652		3391
2653	$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};
2654	$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};
…		…
2660	};	3399	};
2661	warn $@ if $@;	3400	warn $@ if $@;
2662	}	3401	}
2663	}	3402	}
2664		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
2665	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
2666	# we must not ever block the main coroutine	3447	# we must not ever block the main coroutine
2667	local $Coro::idle = sub {	3448	local $Coro::idle = sub {
2668	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#
2669	(async {	3450	(async {
2670	Event::one_event;	3451	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3452	EV::loop EV::LOOP_ONESHOT;
2671	})->prio (Coro::PRIO_MAX);	3453	})->prio (Coro::PRIO_MAX);
2672	};	3454	};
2673		3455
2674	cfg_load;	3456	evthread_start IO::AIO::poll_fileno;
		3457
		3458	cf::sync_job {
		3459	reload_resources;
		3460	reload_config;
2675	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
2676	load_extensions;	3474	load_extensions;
2677		3475
2678	$TICK_WATCHER->start;	3476	utime time, time, $RUNTIMEFILE;
2679	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;
2680	}	3486	}
2681		3487
2682	#############################################################################	3488	#############################################################################
2683	# initialisation and cleanup	3489	# initialisation and cleanup
2684		3490
2685	# install some emergency cleanup handlers	3491	# install some emergency cleanup handlers
2686	BEGIN {	3492	BEGIN {
		3493	our %SIGWATCHER = ();
2687	for my $signal (qw(INT HUP TERM)) {	3494	for my $signal (qw(INT HUP TERM)) {
2688	Event->signal (	3495	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2689	reentrant => 0,
2690	data => WF_AUTOCANCEL,
2691	signal => $signal,
2692	prio => 0,
2693	cb => sub {
2694	cf::cleanup "SIG$signal";	3496	cf::cleanup "SIG$signal";
2695	},
2696	);	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
2697	}	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 };
2698	}	3585	}
2699		3586
2700	sub emergency_save() {	3587	sub emergency_save() {
2701	my $freeze_guard = cf::freeze_mainloop;	3588	my $freeze_guard = cf::freeze_mainloop;
2702		3589
2703	warn "enter emergency perl save\n";	3590	warn "emergency_perl_save: enter\n";
2704		3591
2705	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
2706	# use a peculiar iteration method to avoid tripping on perl	3598	# use a peculiar iteration method to avoid tripping on perl
2707	# refcount bugs in for. also avoids problems with players	3599	# refcount bugs in for. also avoids problems with players
2708	# and maps saved/destroyed asynchronously.	3600	# and maps saved/destroyed asynchronously.
2709	warn "begin emergency player save\n";	3601	warn "emergency_perl_save: begin player save\n";
2710	for my $login (keys %cf::PLAYER) {	3602	for my $login (keys %cf::PLAYER) {
2711	my $pl = $cf::PLAYER{$login} or next;	3603	my $pl = $cf::PLAYER{$login} or next;
2712	$pl->valid or next;	3604	$pl->valid or next;
		3605	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2713	$pl->save;	3606	$pl->save;
2714	}	3607	}
2715	warn "end emergency player save\n";	3608	warn "emergency_perl_save: end player save\n";
2716		3609
2717	warn "begin emergency map save\n";	3610	warn "emergency_perl_save: begin map save\n";
2718	for my $path (keys %cf::MAP) {	3611	for my $path (keys %cf::MAP) {
2719	my $map = $cf::MAP{$path} or next;	3612	my $map = $cf::MAP{$path} or next;
2720	$map->valid or next;	3613	$map->valid or next;
2721	$map->save;	3614	$map->save;
2722	}	3615	}
2723	warn "end emergency map save\n";	3616	warn "emergency_perl_save: end map save\n";
2724		3617
2725	warn "begin emergency database checkpoint\n";	3618	warn "emergency_perl_save: begin database checkpoint\n";
2726	BDB::db_env_txn_checkpoint $DB_ENV;	3619	BDB::db_env_txn_checkpoint $DB_ENV;
2727	warn "end emergency database checkpoint\n";	3620	warn "emergency_perl_save: end database checkpoint\n";
		3621
		3622	warn "emergency_perl_save: begin write uuid\n";
		3623	write_uuid_sync 1;
		3624	warn "emergency_perl_save: end write uuid\n";
2728	};	3625	};
2729		3626
		3627	warn "emergency_perl_save: starting sync()\n";
		3628	IO::AIO::aio_sync sub {
		3629	warn "emergency_perl_save: finished sync()\n";
		3630	};
		3631
2730	warn "leave emergency perl save\n";	3632	warn "emergency_perl_save: leave\n";
2731	}	3633	}
2732		3634
2733	sub post_cleanup {	3635	sub post_cleanup {
2734	my ($make_core) = @_;	3636	my ($make_core) = @_;
2735		3637
2736	warn Carp::longmess "post_cleanup backtrace"	3638	warn Carp::longmess "post_cleanup backtrace"
2737	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#
2738	}	3669	}
2739		3670
2740	sub do_reload_perl() {	3671	sub do_reload_perl() {
2741	# can/must only be called in main	3672	# can/must only be called in main
2742	if ($Coro::current != $Coro::main) {	3673	if ($Coro::current != $Coro::main) {
2743	warn "can only reload from main coroutine";	3674	warn "can only reload from main coroutine";
2744	return;	3675	return;
2745	}	3676	}
2746		3677
		3678	return if $RELOAD++;
		3679
		3680	my $t1 = EV::time;
		3681
		3682	while ($RELOAD) {
2747	warn "reloading...";	3683	warn "reloading...";
2748		3684
2749	warn "entering sync_job";	3685	warn "entering sync_job";
2750		3686
2751	cf::sync_job {	3687	cf::sync_job {
2752	cf::write_runtime; # external watchdog should not bark	3688	cf::write_runtime_sync; # external watchdog should not bark
2753	cf::emergency_save;	3689	cf::emergency_save;
2754	cf::write_runtime; # external watchdog should not bark	3690	cf::write_runtime_sync; # external watchdog should not bark
2755		3691
2756	warn "syncing database to disk";	3692	warn "syncing database to disk";
2757	BDB::db_env_txn_checkpoint $DB_ENV;	3693	BDB::db_env_txn_checkpoint $DB_ENV;
2758		3694
2759	# 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
2760		3696
2761	warn "cancelling all WF_AUTOCANCEL watchers";
2762	for (Event::all_watchers) {
2763	$_->cancel if $_->data & WF_AUTOCANCEL;
2764	}
2765
2766	warn "flushing outstanding aio requests";	3697	warn "flushing outstanding aio requests";
2767	for (;;) {
2768	BDB::flush;
2769	IO::AIO::flush;
2770	Coro::cede;
2771	last unless IO::AIO::nreqs || BDB::nreqs;	3698	while (IO::AIO::nreqs || BDB::nreqs) {
2772	warn "iterate...";	3699	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2773	}
2774
2775	++$RELOAD;
2776
2777	warn "cancelling all extension coros";
2778	$_->cancel for values %EXT_CORO;
2779	%EXT_CORO = ();
2780
2781	warn "removing commands";
2782	%COMMAND = ();
2783
2784	warn "removing ext commands";
2785	%EXTCMD = ();
2786
2787	warn "unloading/nuking all extensions";
2788	for my $pkg (@EXTS) {
2789	warn "... unloading $pkg";
2790
2791	if (my $cb = $pkg->can ("unload")) {
2792	eval {
2793	$cb->($pkg);
2794	1
2795	} or warn "$pkg unloaded, but with errors: $@";
2796	}	3700	}
2797		3701
2798	warn "... nuking $pkg";	3702	warn "cancelling all extension coros";
2799	Symbol::delete_package $pkg;	3703	$_->cancel for values %EXT_CORO;
2800	}	3704	%EXT_CORO = ();
2801		3705
2802	warn "unloading all perl modules loaded from $LIBDIR";	3706	warn "removing commands";
2803	while (my ($k, $v) = each %INC) {	3707	%COMMAND = ();
2804	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2805		3708
		3709	warn "removing ext/exti commands";
		3710	%EXTCMD = ();
		3711	%EXTICMD = ();
		3712
		3713	warn "unloading/nuking all extensions";
		3714	for my $pkg (@EXTS) {
2806	warn "... unloading $k";	3715	warn "... unloading $pkg";
2807	delete $INC{$k};
2808		3716
2809	$k =~ s/\.pm$//;
2810	$k =~ s/\//::/g;
2811
2812	if (my $cb = $k->can ("unload_module")) {	3717	if (my $cb = $pkg->can ("unload")) {
		3718	eval {
2813	$cb->();	3719	$cb->($pkg);
		3720	1
		3721	} or warn "$pkg unloaded, but with errors: $@";
		3722	}
		3723
		3724	warn "... clearing $pkg";
		3725	clear_package $pkg;
2814	}	3726	}
2815		3727
2816	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;
2817	}	3743	}
2818		3744
2819	warn "getting rid of safe::, as good as possible";	3745	warn "getting rid of safe::, as good as possible";
2820	Symbol::delete_package "safe::$_"	3746	clear_package "safe::$_"
2821	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);
2822		3748
2823	warn "unloading cf.pm \"a bit\"";	3749	warn "unloading cf.pm \"a bit\"";
2824	delete $INC{"cf.pm"};	3750	delete $INC{"cf.pm"};
2825	delete $INC{"cf/pod.pm"};	3751	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2826		3752
2827	# don't, removes xs symbols, too,	3753	# don't, removes xs symbols, too,
2828	# and global variables created in xs	3754	# and global variables created in xs
2829	#Symbol::delete_package __PACKAGE__;	3755	#clear_package __PACKAGE__;
2830		3756
2831	warn "unload completed, starting to reload now";	3757	warn "unload completed, starting to reload now";
2832		3758
2833	warn "reloading cf.pm";	3759	warn "reloading cf.pm";
2834	require cf;	3760	require cf;
2835	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3761	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2836		3762
2837	warn "loading config and database again";	3763	warn "loading config and database again";
2838	cf::cfg_load;	3764	cf::reload_config;
2839		3765
2840	warn "loading extensions";	3766	warn "loading extensions";
2841	cf::load_extensions;	3767	cf::load_extensions;
2842		3768
		3769	if ($REATTACH_ON_RELOAD) {
2843	warn "reattaching attachments to objects/players";	3770	warn "reattaching attachments to objects/players";
2844	_global_reattach; # objects, sockets	3771	_global_reattach; # objects, sockets
2845	warn "reattaching attachments to maps";	3772	warn "reattaching attachments to maps";
2846	reattach $_ for values %MAP;	3773	reattach $_ for values %MAP;
2847	warn "reattaching attachments to players";	3774	warn "reattaching attachments to players";
2848	reattach $_ for values %PLAYER;	3775	reattach $_ for values %PLAYER;
		3776	}
2849		3777
		3778	warn "running post_init jobs";
		3779	(pop @POST_INIT)->(1) while @POST_INIT;
		3780
2850	warn "leaving sync_job";	3781	warn "leaving sync_job";
2851		3782
2852	1	3783	1
2853	} or do {	3784	} or do {
2854	warn $@;	3785	warn $@;
2855	warn "error while reloading, exiting.";	3786	cf::cleanup "error while reloading, exiting.";
2856	exit 1;
2857	};	3787	};
2858		3788
2859	warn "reloaded";	3789	warn "reloaded";
		3790	--$RELOAD;
		3791	}
		3792
		3793	$t1 = EV::time - $t1;
		3794	warn "reload completed in ${t1}s\n";
2860	};	3795	};
2861		3796
2862	our $RELOAD_WATCHER; # used only during reload	3797	our $RELOAD_WATCHER; # used only during reload
2863		3798
2864	sub reload_perl() {	3799	sub reload_perl() {
2865	# doing reload synchronously and two reloads happen back-to-back,	3800	# doing reload synchronously and two reloads happen back-to-back,
2866	# coro crashes during coro_state_free->destroy here.	3801	# coro crashes during coro_state_free->destroy here.
2867		3802
2868	$RELOAD_WATCHER ||= Event->timer (	3803	$RELOAD_WATCHER ||= cf::async {
2869	reentrant => 0,	3804	Coro::AIO::aio_wait cache_extensions;
2870	after => 0,	3805
2871	data => WF_AUTOCANCEL,	3806	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2872	cb => sub {
2873	do_reload_perl;	3807	do_reload_perl;
2874	undef $RELOAD_WATCHER;	3808	undef $RELOAD_WATCHER;
2875	},	3809	};
2876	);	3810	};
2877	}	3811	}
2878		3812
2879	register_command "reload" => sub {	3813	register_command "reload" => sub {
2880	my ($who, $arg) = @_;	3814	my ($who, $arg) = @_;
2881		3815
2882	if ($who->flag (FLAG_WIZ)) {	3816	if ($who->flag (FLAG_WIZ)) {
2883	$who->message ("reloading server.");	3817	$who->message ("reloading server.");
		3818	async {
		3819	$Coro::current->{desc} = "perl_reload";
2884	async { reload_perl };	3820	reload_perl;
		3821	};
2885	}	3822	}
2886	};	3823	};
2887		3824
2888	unshift @INC, $LIBDIR;	3825	unshift @INC, $LIBDIR;
2889		3826
…		…
2891		3828
2892	our @WAIT_FOR_TICK;	3829	our @WAIT_FOR_TICK;
2893	our @WAIT_FOR_TICK_BEGIN;	3830	our @WAIT_FOR_TICK_BEGIN;
2894		3831
2895	sub wait_for_tick {	3832	sub wait_for_tick {
2896	return unless $TICK_WATCHER->is_active;
2897	return if $Coro::current == $Coro::main;	3833	return if tick_inhibit || $Coro::current == $Coro::main;
2898		3834
2899	my $signal = new Coro::Signal;	3835	my $signal = new Coro::Signal;
2900	push @WAIT_FOR_TICK, $signal;	3836	push @WAIT_FOR_TICK, $signal;
2901	$signal->wait;	3837	$signal->wait;
2902	}	3838	}
2903		3839
2904	sub wait_for_tick_begin {	3840	sub wait_for_tick_begin {
2905	return unless $TICK_WATCHER->is_active;
2906	return if $Coro::current == $Coro::main;	3841	return if tick_inhibit || $Coro::current == $Coro::main;
2907		3842
2908	my $signal = new Coro::Signal;	3843	my $signal = new Coro::Signal;
2909	push @WAIT_FOR_TICK_BEGIN, $signal;	3844	push @WAIT_FOR_TICK_BEGIN, $signal;
2910	$signal->wait;	3845	$signal->wait;
2911	}	3846	}
2912		3847
2913	my $min = 1e6;#d#	3848	sub tick {
2914	my $avg = 10;
2915	$TICK_WATCHER = Event->timer (
2916	reentrant => 0,
2917	parked => 1,
2918	prio => 0,
2919	at => $NEXT_TICK || $TICK,
2920	data => WF_AUTOCANCEL,
2921	cb => sub {
2922	if ($Coro::current != $Coro::main) {	3849	if ($Coro::current != $Coro::main) {
2923	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"
2924	unless ++$bug_warning > 10;	3851	unless ++$bug_warning > 10;
2925	return;	3852	return;
2926	}	3853	}
2927		3854
2928	$NOW = $tick_start = Event::time;
2929
2930	cf::server_tick; # one server iteration	3855	cf::server_tick; # one server iteration
2931		3856
2932	0 && sync_job {#d#	3857	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2933	for(1..10) {	3858	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2934	my $t = Event::time;	3859	Coro::async_pool {
2935	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3860	$Coro::current->{desc} = "runtime saver";
2936	or die;	3861	write_runtime_sync
2937		3862	or warn "ERROR: unable to write runtime file: $!";
2938	$map->width (50);
2939	$map->height (50);
2940	$map->alloc;
2941	$map->_load_objects ("/tmp/x.map", 1);
2942	my $t = Event::time - $t;
2943
2944	#next unless $t < 0.0013;#d#
2945	if ($t < $min) {
2946	$min = $t;
2947	}
2948	$avg = $avg * 0.99 + $t * 0.01;
2949	}
2950	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2951	exit 0;
2952	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2953	};	3863	};
		3864	}
2954		3865
2955	$RUNTIME += $TICK;
2956	$NEXT_TICK += $TICK;
2957
2958	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2959	$NEXT_RUNTIME_WRITE = $NOW + 10;
2960	Coro::async_pool {
2961	write_runtime
2962	or warn "ERROR: unable to write runtime file: $!";
2963	};
2964	}
2965
2966	# my $AFTER = Event::time;
2967	# warn $AFTER - $NOW;#d#
2968
2969	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3866	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2970	$sig->send;	3867	$sig->send;
2971	}	3868	}
2972	while (my $sig = shift @WAIT_FOR_TICK) {	3869	while (my $sig = shift @WAIT_FOR_TICK) {
2973	$sig->send;	3870	$sig->send;
2974	}	3871	}
2975		3872
2976	$NOW = Event::time;	3873	$LOAD = ($NOW - $TICK_START) / $TICK;
2977
2978	# if we are delayed by four ticks or more, skip them all
2979	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2980
2981	$TICK_WATCHER->at ($NEXT_TICK);
2982	$TICK_WATCHER->start;
2983
2984	$LOAD = ($NOW - $tick_start) / $TICK;
2985	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3874	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2986		3875
2987	_post_tick;	3876	if (0) {
2988		3877	if ($NEXT_TICK) {
2989		3878	my $jitter = $TICK_START - $NEXT_TICK;
		3879	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3880	warn "jitter $JITTER\n";#d#
		3881	}
2990	},	3882	}
2991	);	3883	}
2992		3884
2993	{	3885	{
2994	BDB::max_poll_time $TICK * 0.1;	3886	# configure BDB
2995	$BDB_POLL_WATCHER = Event->io (	3887
2996	reentrant => 0,
2997	fd => BDB::poll_fileno,
2998	poll => 'r',
2999	prio => 0,
3000	data => WF_AUTOCANCEL,
3001	cb => \&BDB::poll_cb,
3002	);
3003	BDB::min_parallel 8;	3888	BDB::min_parallel 8;
3004		3889	BDB::max_poll_reqs $TICK * 0.1;
3005	BDB::set_sync_prepare {	3890	$AnyEvent::BDB::WATCHER->priority (1);
3006	my $status;
3007	my $current = $Coro::current;
3008	(
3009	sub {
3010	$status = $!;
3011	$current->ready; undef $current;
3012	},
3013	sub {
3014	Coro::schedule while defined $current;
3015	$! = $status;
3016	},
3017	)
3018	};
3019		3891
3020	unless ($DB_ENV) {	3892	unless ($DB_ENV) {
3021	$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);
3022		3899
3023	cf::sync_job {	3900	cf::sync_job {
3024	eval {	3901	eval {
3025	BDB::db_env_open	3902	BDB::db_env_open
3026	$DB_ENV,	3903	$DB_ENV,
…		…
3028	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
3029	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3906	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3030	0666;	3907	0666;
3031		3908
3032	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3909	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3033
3034	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3035	$DB_ENV->set_lk_detect;
3036	};	3910	};
3037		3911
3038	cf::cleanup "db_env_open(db): $@" if $@;	3912	cf::cleanup "db_env_open(db): $@" if $@;
3039	};	3913	};
3040	}	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	};
3041	}	3925	}
3042		3926
3043	{	3927	{
		3928	# configure IO::AIO
		3929
3044	IO::AIO::min_parallel 8;	3930	IO::AIO::min_parallel 8;
3045
3046	undef $Coro::AIO::WATCHER;
3047	IO::AIO::max_poll_time $TICK * 0.1;	3931	IO::AIO::max_poll_time $TICK * 0.1;
3048	$AIO_POLL_WATCHER = Event->io (	3932	undef $AnyEvent::AIO::WATCHER;
3049	reentrant => 0,
3050	data => WF_AUTOCANCEL,
3051	fd => IO::AIO::poll_fileno,
3052	poll => 'r',
3053	prio => 6,
3054	cb => \&IO::AIO::poll_cb,
3055	);
3056	}	3933	}
3057		3934
3058	my $_log_backtrace;	3935	my $_log_backtrace;
3059		3936
3060	sub _log_backtrace {	3937	sub _log_backtrace {
…		…
3063	$msg =~ s/\n//;	3940	$msg =~ s/\n//;
3064		3941
3065	# limit the # of concurrent backtraces	3942	# limit the # of concurrent backtraces
3066	if ($_log_backtrace < 2) {	3943	if ($_log_backtrace < 2) {
3067	++$_log_backtrace;	3944	++$_log_backtrace;
		3945	my $perl_bt = Carp::longmess $msg;
3068	async {	3946	async {
		3947	$Coro::current->{desc} = "abt $msg";
		3948
3069	my @bt = fork_call {	3949	my @bt = fork_call {
3070	@addr = map { sprintf "%x", $_ } @addr;	3950	@addr = map { sprintf "%x", $_ } @addr;
3071	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3951	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3072	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 |"
3073	or die "addr2line: $!";	3953	or die "addr2line: $!";
…		…
3081	}	3961	}
3082		3962
3083	@funcs	3963	@funcs
3084	};	3964	};
3085		3965
3086	LOG llevInfo, "[ABT] $msg\n";	3966	LOG llevInfo, "[ABT] $perl_bt\n";
		3967	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3087	LOG llevInfo, "[ABT] $_\n" for @bt;	3968	LOG llevInfo, "[ABT] $_\n" for @bt;
3088	--$_log_backtrace;	3969	--$_log_backtrace;
3089	};	3970	};
3090	} else {	3971	} else {
3091	LOG llevInfo, "[ABT] $msg\n";	3972	LOG llevInfo, "[ABT] $msg\n";
3092	LOG llevInfo, "[ABT] [suppressed]\n";	3973	LOG llevInfo, "[ABT] [suppressed]\n";
3093	}	3974	}
3094	}	3975	}
3095		3976
3096	# load additional modules	3977	# load additional modules
3097	use cf::pod;	3978	require "cf/$_.pm" for @EXTRA_MODULES;
3098		3979
3099	END { cf::emergency_save }	3980	END { cf::emergency_save }
3100		3981
3101	1	3982	1
3102		3983

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