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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.275 by root, Thu Jun 7 19:12:22 2007 UTC vs.
Revision 1.483 by root, Mon Oct 12 04:02:17 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 match 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	}
		173
		174	# this is decidedly evil
		175	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
115		176
116	#############################################################################	177	#############################################################################
117		178
118	=head2 GLOBAL VARIABLES	179	=head2 GLOBAL VARIABLES
119		180
…		…
155		216
156	The raw value load value from the last tick.	217	The raw value load value from the last tick.
157		218
158	=item %cf::CFG	219	=item %cf::CFG
159		220
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	221	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	222	from wherever your confdir points to.
162		223
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	224	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		225
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	226	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	227	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.	228	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		229
		230	=item @cf::INVOKE_RESULTS
		231
		232	This array contains the results of the last C<invoke ()> call. When
		233	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		234	that call.
		235
		236	=item %cf::REFLECT
		237
		238	Contains, for each (C++) class name, a hash reference with information
		239	about object members (methods, scalars, arrays and flags) and other
		240	metadata, which is useful for introspection.
		241
169	=back	242	=back
170		243
171	=cut	244	=cut
172		245
173	BEGIN {	246	$Coro::State::WARNHOOK = sub {
174	*CORE::GLOBAL::warn = sub {
175	my $msg = join "", @_;	247	my $msg = join "", @_;
176		248
177	$msg .= "\n"	249	$msg .= "\n"
178	unless $msg =~ /\n$/;	250	unless $msg =~ /\n$/;
179		251
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	252	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		253
182	utf8::encode $msg;
183	LOG llevError, $msg;	254	LOG llevError, $msg;
184	};	255	};
185	}	256
		257	$Coro::State::DIEHOOK = sub {
		258	return unless $^S eq 0; # "eq", not "=="
		259
		260	warn Carp::longmess $_[0];
		261
		262	if ($Coro::current == $Coro::main) {#d#
		263	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		264	return;#d#
		265	}#d#
		266
		267	# kill coroutine otherwise
		268	Coro::terminate
		269	};
186		270
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	271	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	272	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	273	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	274	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	281	for my $pkg (qw(
198	cf::global cf::attachable	282	cf::global cf::attachable
199	cf::object cf::object::player	283	cf::object cf::object::player
200	cf::client cf::player	284	cf::client cf::player
201	cf::arch cf::living	285	cf::arch cf::living
		286	cf::map cf::mapspace
202	cf::map cf::party cf::region	287	cf::party cf::region
203	)) {	288	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	289	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	290	}
207		291
208	$Event::DIED = sub {	292	$EV::DIED = sub {
209	warn "error in event callback: @_";	293	warn "error in event callback: @_";
210	};	294	};
		295
		296	#############################################################################
211		297
212	=head2 UTILITY FUNCTIONS	298	=head2 UTILITY FUNCTIONS
213		299
214	=over 4	300	=over 4
215		301
…		…
234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	320	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235	$d	321	$d
236	} || "[unable to dump $_[0]: '$@']";	322	} || "[unable to dump $_[0]: '$@']";
237	}	323	}
238		324
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241	=item $ref = cf::from_json $json	325	=item $ref = cf::decode_json $json
242		326
243	Converts a JSON string into the corresponding perl data structure.	327	Converts a JSON string into the corresponding perl data structure.
244		328
245	=item $json = cf::to_json $ref	329	=item $json = cf::encode_json $ref
246		330
247	Converts a perl data structure into its JSON representation.	331	Converts a perl data structure into its JSON representation.
248		332
		333	=cut
		334
		335	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		336
		337	sub encode_json($) { $json_coder->encode ($_[0]) }
		338	sub decode_json($) { $json_coder->decode ($_[0]) }
		339
		340	=item cf::post_init { BLOCK }
		341
		342	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		343	but I<before> the server starts ticking again.
		344
		345	The cdoeblock will have a single boolean argument to indicate whether this
		346	is a reload or not.
		347
		348	=cut
		349
		350	sub post_init(&) {
		351	push @POST_INIT, shift;
		352	}
		353
249	=item cf::lock_wait $string	354	=item cf::lock_wait $string
250		355
251	Wait until the given lock is available. See cf::lock_acquire.	356	Wait until the given lock is available. See cf::lock_acquire.
252		357
253	=item my $lock = cf::lock_acquire $string	358	=item my $lock = cf::lock_acquire $string
254		359
255	Wait until the given lock is available and then acquires it and returns	360	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,	361	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	362	for example when the coroutine gets canceled), the lock is automatically
258	returned.	363	returned.
259		364
		365	Locks are *not* recursive, locking from the same coro twice results in a
		366	deadlocked coro.
		367
260	Lock names should begin with a unique identifier (for example, cf::map::find	368	Lock names should begin with a unique identifier (for example, cf::map::find
261	uses map_find and cf::map::load uses map_load).	369	uses map_find and cf::map::load uses map_load).
262		370
263	=item $locked = cf::lock_active $string	371	=item $locked = cf::lock_active $string
264		372
265	Return true if the lock is currently active, i.e. somebody has locked it.	373	Return true if the lock is currently active, i.e. somebody has locked it.
266		374
267	=cut	375	=cut
268		376
269	our %LOCK;	377	our $LOCKS = new Coro::SemaphoreSet;
270		378
271	sub lock_wait($) {	379	sub lock_wait($) {
272	my ($key) = @_;	380	$LOCKS->wait ($_[0]);
273
274	# wait for lock, if any
275	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;
278	}
279	}	381	}
280		382
281	sub lock_acquire($) {	383	sub lock_acquire($) {
282	my ($key) = @_;	384	$LOCKS->guard ($_[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	}	385	}
294		386
295	sub lock_active($) {	387	sub lock_active($) {
296	my ($key) = @_;	388	$LOCKS->count ($_[0]) < 1
297
298	! ! $LOCK{$key}
299	}	389	}
300		390
301	sub freeze_mainloop {	391	sub freeze_mainloop {
302	return unless $TICK_WATCHER->is_active;	392	tick_inhibit_inc;
303		393
304	my $guard = Coro::guard {	394	&Guard::guard (\&tick_inhibit_dec);
305	$TICK_WATCHER->start;	395	}
		396
		397	=item cf::periodic $interval, $cb
		398
		399	Like EV::periodic, but randomly selects a starting point so that the actions
		400	get spread over timer.
		401
		402	=cut
		403
		404	sub periodic($$) {
		405	my ($interval, $cb) = @_;
		406
		407	my $start = rand List::Util::min 180, $interval;
		408
		409	EV::periodic $start, $interval, 0, $cb
		410	}
		411
		412	=item cf::get_slot $time[, $priority[, $name]]
		413
		414	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		415	This call blocks and returns only when you have at least C<$time> seconds
		416	of cpu time till the next tick. The slot is only valid till the next cede.
		417
		418	The optional C<$name> can be used to identify the job to run. It might be
		419	used for statistical purposes and should identify the same time-class.
		420
		421	Useful for short background jobs.
		422
		423	=cut
		424
		425	our @SLOT_QUEUE;
		426	our $SLOT_QUEUE;
		427
		428	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		429	$SLOT_QUEUE = Coro::async {
		430	$Coro::current->desc ("timeslot manager");
		431
		432	my $signal = new Coro::Signal;
		433
		434	while () {
		435	next_job:
		436	my $avail = cf::till_tick;
		437	if ($avail > 0.01) {
		438	for (0 .. $#SLOT_QUEUE) {
		439	if ($SLOT_QUEUE[$_][0] < $avail) {
		440	my $job = splice @SLOT_QUEUE, $_, 1, ();
		441	$job->[2]->send;
		442	Coro::cede;
		443	goto next_job;
		444	}
		445	}
		446	}
		447
		448	if (@SLOT_QUEUE) {
		449	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		450	push @cf::WAIT_FOR_TICK, $signal;
		451	$signal->wait;
		452	} else {
		453	Coro::schedule;
		454	}
306	};	455	}
307	$TICK_WATCHER->stop;	456	};
308	$guard	457
		458	sub get_slot($;$$) {
		459	return if tick_inhibit || $Coro::current == $Coro::main;
		460
		461	my ($time, $pri, $name) = @_;
		462
		463	$time = $TICK * .6 if $time > $TICK * .6;
		464	my $sig = new Coro::Signal;
		465
		466	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		467	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		468	$SLOT_QUEUE->ready;
		469	$sig->wait;
309	}	470	}
310		471
311	=item cf::async { BLOCK }	472	=item cf::async { BLOCK }
312		473
313	Currently the same as Coro::async_pool, meaning you cannot use	474	Currently the same as Coro::async_pool, meaning you cannot use
…		…
318		479
319	BEGIN { *async = \&Coro::async_pool }	480	BEGIN { *async = \&Coro::async_pool }
320		481
321	=item cf::sync_job { BLOCK }	482	=item cf::sync_job { BLOCK }
322		483
323	The design of crossfire+ requires that the main coro ($Coro::main) is	484	The design of Deliantra requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	485	is always able to handle events or runnable, as Deliantra is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	486	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		487	acceptable.
326		488
327	If it must be done, put the blocking parts into C<sync_job>. This will run	489	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	490	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	491	server will be frozen during this time, so the block should either finish
330	fast or be very important.	492	fast or be very important.
…		…
333		495
334	sub sync_job(&) {	496	sub sync_job(&) {
335	my ($job) = @_;	497	my ($job) = @_;
336		498
337	if ($Coro::current == $Coro::main) {	499	if ($Coro::current == $Coro::main) {
338	my $time = Event::time;	500	my $time = EV::time;
339		501
340	# this is the main coro, too bad, we have to block	502	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	503	# till the operation succeeds, freezing the server :/
342		504
343	# TODO: use suspend/resume instead	505	LOG llevError, Carp::longmess "sync job";#d#
344	# (but this is cancel-safe)	506
345	my $freeze_guard = freeze_mainloop;	507	my $freeze_guard = freeze_mainloop;
346		508
347	my $busy = 1;	509	my $busy = 1;
348	my @res;	510	my @res;
349		511
350	(async {	512	(async {
		513	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	514	@res = eval { $job->() };
352	warn $@ if $@;	515	warn $@ if $@;
353	undef $busy;	516	undef $busy;
354	})->prio (Coro::PRIO_MAX);	517	})->prio (Coro::PRIO_MAX);
355		518
356	while ($busy) {	519	while ($busy) {
357	Coro::cede or Event::one_event;	520	if (Coro::nready) {
		521	Coro::cede_notself;
		522	} else {
		523	EV::loop EV::LOOP_ONESHOT;
358	}	524	}
		525	}
359		526
360	$time = Event::time - $time;	527	my $time = EV::time - $time;
361		528
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	529	$TICK_START += $time; # do not account sync jobs to server load
366		530
367	wantarray ? @res : $res[0]	531	wantarray ? @res : $res[0]
368	} else {	532	} else {
369	# we are in another coroutine, how wonderful, everything just works	533	# we are in another coroutine, how wonderful, everything just works
370		534
…		…
390	$EXT_CORO{$coro+0} = $coro;	554	$EXT_CORO{$coro+0} = $coro;
391		555
392	$coro	556	$coro
393	}	557	}
394		558
395	sub write_runtime {	559	=item fork_call { }, $args
396	my $runtime = "$LOCALDIR/runtime";
397		560
398	# first touch the runtime file to show we are still running:	561	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	562	process, returning the results. Everything must be serialisable with
		563	Coro::Storable. May, of course, block. Note that the executed sub may
		564	never block itself or use any form of event handling.
400		565
401	IO::AIO::aio_utime $runtime, undef, undef;	566	=cut
402		567
403	my $guard = cf::lock_acquire "write_runtime";	568	sub fork_call(&@) {
		569	my ($cb, @args) = @_;
404		570
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	571	# we seemingly have to make a local copy of the whole thing,
406	or return;	572	# otherwise perl prematurely frees the stuff :/
		573	# TODO: investigate and fix (likely this will be rather laborious)
407		574
408	my $value = $cf::RUNTIME + 90 + 10;	575	my @res = Coro::Util::fork_eval {
409	# 10 is the runtime save interval, for a monotonic clock	576	reset_signals;
410	# 60 allows for the watchdog to kill the server.	577	&$cb
		578	}, @args;
411		579
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	580	wantarray ? @res : $res[-1]
413	and return;	581	}
414		582
415	# always fsync - this file is important	583	=item $coin = coin_from_name $name
416	aio_fsync $fh
417	and return;
418		584
419	# touch it again to show we are up-to-date	585	=cut
420	aio_utime $fh, undef, undef;
421		586
422	close $fh	587	our %coin_alias = (
423	or return;	588	"silver" => "silvercoin",
		589	"silvercoin" => "silvercoin",
		590	"silvercoins" => "silvercoin",
		591	"gold" => "goldcoin",
		592	"goldcoin" => "goldcoin",
		593	"goldcoins" => "goldcoin",
		594	"platinum" => "platinacoin",
		595	"platinumcoin" => "platinacoin",
		596	"platinumcoins" => "platinacoin",
		597	"platina" => "platinacoin",
		598	"platinacoin" => "platinacoin",
		599	"platinacoins" => "platinacoin",
		600	"royalty" => "royalty",
		601	"royalties" => "royalty",
		602	);
424		603
425	aio_rename "$runtime~", $runtime	604	sub coin_from_name($) {
426	and return;	605	$coin_alias{$_[0]}
		606	? cf::arch::find $coin_alias{$_[0]}
		607	: undef
		608	}
427		609
428	warn "runtime file written.\n";	610	=item $value = cf::db_get $family => $key
429		611
		612	Returns a single value from the environment database.
		613
		614	=item cf::db_put $family => $key => $value
		615
		616	Stores the given C<$value> in the family. It can currently store binary
		617	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		618
		619	=item $db = cf::db_table "name"
		620
		621	Create and/or open a new database table. The string must not be "db" and must be unique
		622	within each server.
		623
		624	=cut
		625
		626	sub db_table($) {
		627	my ($name) = @_;
		628	my $db = BDB::db_create $DB_ENV;
		629
		630	eval {
		631	$db->set_flags (BDB::CHKSUM);
		632
		633	utf8::encode $name;
		634	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		635	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		636	cf::cleanup "db_open(db): $!" if $!;
		637	};
		638	cf::cleanup "db_open(db): $@" if $@;
		639
		640	$db
		641	}
		642
		643	our $DB;
		644
		645	sub db_init {
		646	cf::sync_job {
		647	$DB ||= db_table "db";
		648	};
		649	}
		650
		651	sub db_get($$) {
		652	my $key = "$_[0]/$_[1]";
		653
		654	cf::sync_job {
		655	BDB::db_get $DB, undef, $key, my $data;
		656
		657	$! ? ()
		658	: $data
430	1	659	}
		660	}
		661
		662	sub db_put($$$) {
		663	BDB::dbreq_pri 4;
		664	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		665	}
		666
		667	=item cf::cache $id => [$paths...], $processversion => $process
		668
		669	Generic caching function that returns the value of the resource $id,
		670	caching and regenerating as required.
		671
		672	This function can block.
		673
		674	=cut
		675
		676	sub cache {
		677	my ($id, $src, $processversion, $process) = @_;
		678
		679	my $meta =
		680	join "\x00",
		681	$processversion,
		682	map {
		683	aio_stat $_
		684	and Carp::croak "$_: $!";
		685
		686	($_, (stat _)[7,9])
		687	} @$src;
		688
		689	my $dbmeta = db_get cache => "$id/meta";
		690	if ($dbmeta ne $meta) {
		691	# changed, we may need to process
		692
		693	my @data;
		694	my $md5;
		695
		696	for (0 .. $#$src) {
		697	0 <= aio_load $src->[$_], $data[$_]
		698	or Carp::croak "$src->[$_]: $!";
		699	}
		700
		701	# if processing is expensive, check
		702	# checksum first
		703	if (1) {
		704	$md5 =
		705	join "\x00",
		706	$processversion,
		707	map {
		708	cf::cede_to_tick;
		709	($src->[$_], Digest::MD5::md5_hex $data[$_])
		710	} 0.. $#$src;
		711
		712
		713	my $dbmd5 = db_get cache => "$id/md5";
		714	if ($dbmd5 eq $md5) {
		715	db_put cache => "$id/meta", $meta;
		716
		717	return db_get cache => "$id/data";
		718	}
		719	}
		720
		721	my $t1 = Time::HiRes::time;
		722	my $data = $process->(\@data);
		723	my $t2 = Time::HiRes::time;
		724
		725	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		726
		727	db_put cache => "$id/data", $data;
		728	db_put cache => "$id/md5" , $md5;
		729	db_put cache => "$id/meta", $meta;
		730
		731	return $data;
		732	}
		733
		734	db_get cache => "$id/data"
431	}	735	}
432		736
433	=item cf::datalog type => key => value, ...	737	=item cf::datalog type => key => value, ...
434		738
435	Log a datalog packet of the given type with the given key-value pairs.	739	Log a datalog packet of the given type with the given key-value pairs.
…		…
447		751
448	#############################################################################	752	#############################################################################
449		753
450	=head2 ATTACHABLE OBJECTS	754	=head2 ATTACHABLE OBJECTS
451		755
452	Many objects in crossfire are so-called attachable objects. That means you can	756	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")	757	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	758	to it. All such attachable objects support the following methods.
455		759
456	In the following description, CLASS can be any of C<global>, C<object>	760	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	761	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	762	Deliantra).
459		763
460	=over 4	764	=over 4
461		765
462	=item $attachable->attach ($attachment, key => $value...)	766	=item $attachable->attach ($attachment, key => $value...)
463		767
…		…
507	=item cf::CLASS::attachment $name, ...	811	=item cf::CLASS::attachment $name, ...
508		812
509	Register an attachment by C<$name> through which attachable objects of the	813	Register an attachment by C<$name> through which attachable objects of the
510	given CLASS can refer to this attachment.	814	given CLASS can refer to this attachment.
511		815
512	Some classes such as crossfire maps and objects can specify attachments	816	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.	817	that are attached at load/instantiate time, thus the need for a name.
514		818
515	These calls expect any number of the following handler/hook descriptions:	819	These calls expect any number of the following handler/hook descriptions:
516		820
517	=over 4	821	=over 4
…		…
665	_attach $registry, $klass, @attach;	969	_attach $registry, $klass, @attach;
666	}	970	}
667		971
668	$obj->{$name} = \%arg;	972	$obj->{$name} = \%arg;
669	} else {	973	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	974	warn "object uses attachment '$name' which is not available, postponing.\n";
671	}	975	}
672		976
673	$obj->{_attachment}{$name} = undef;	977	$obj->{_attachment}{$name} = undef;
674	}	978	}
675		979
…		…
715	";	1019	";
716	die if $@;	1020	die if $@;
717	}	1021	}
718		1022
719	our $override;	1023	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1024	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		1025
722	sub override {	1026	sub override {
723	$override = 1;	1027	$override = 1;
724	@invoke_results = ();	1028	@INVOKE_RESULTS = (@_);
725	}	1029	}
726		1030
727	sub do_invoke {	1031	sub do_invoke {
728	my $event = shift;	1032	my $event = shift;
729	my $callbacks = shift;	1033	my $callbacks = shift;
730		1034
731	@invoke_results = ();	1035	@INVOKE_RESULTS = ();
732		1036
733	local $override;	1037	local $override;
734		1038
735	for (@$callbacks) {	1039	for (@$callbacks) {
736	eval { &{$_->[1]} };	1040	eval { &{$_->[1]} };
…		…
745	}	1049	}
746		1050
747	0	1051	0
748	}	1052	}
749		1053
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1054	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1055
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1056	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1057
754	Generate an object-specific event with the given arguments.	1058	Generate an object-specific event with the given arguments.
755		1059
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1060	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	1061	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	1062	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1063
760	=back	1064	=back
761		1065
762	=cut	1066	=cut
763		1067
764	#############################################################################	1068	#############################################################################
765	# object support	1069	# object support
		1070
		1071	sub _object_equal($$);
		1072	sub _object_equal($$) {
		1073	my ($a, $b) = @_;
		1074
		1075	return 0 unless (ref $a) eq (ref $b);
		1076
		1077	if ("HASH" eq ref $a) {
		1078	my @ka = keys %$a;
		1079	my @kb = keys %$b;
		1080
		1081	return 0 if @ka != @kb;
		1082
		1083	for (0 .. $#ka) {
		1084	return 0 unless $ka[$_] eq $kb[$_];
		1085	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1086	}
		1087
		1088	} elsif ("ARRAY" eq ref $a) {
		1089
		1090	return 0 if @$a != @$b;
		1091
		1092	for (0 .. $#$a) {
		1093	return 0 unless _object_equal $a->[$_], $b->[$_];
		1094	}
		1095
		1096	} elsif ($a ne $b) {
		1097	return 0;
		1098	}
		1099
		1100	1
		1101	}
		1102
		1103	our $SLOW_MERGES;#d#
		1104	sub _can_merge {
		1105	my ($ob1, $ob2) = @_;
		1106
		1107	++$SLOW_MERGES;#d#
		1108
		1109	# we do the slow way here
		1110	return _object_equal $ob1, $ob2
		1111	}
766		1112
767	sub reattach {	1113	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1114	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1115	my ($obj) = @_;
770		1116
		1117	# no longer needed after getting rid of delete_package?
771	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1118	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772		1119
773	my $registry = $obj->registry;	1120	my $registry = $obj->registry;
774		1121
775	@$registry = ();	1122	@$registry = ();
776		1123
…		…
791	cf::attachable->attach (	1138	cf::attachable->attach (
792	prio => -1000000,	1139	prio => -1000000,
793	on_instantiate => sub {	1140	on_instantiate => sub {
794	my ($obj, $data) = @_;	1141	my ($obj, $data) = @_;
795		1142
796	$data = from_json $data;	1143	$data = decode_json $data;
797		1144
798	for (@$data) {	1145	for (@$data) {
799	my ($name, $args) = @$_;	1146	my ($name, $args) = @$_;
800		1147
801	$obj->attach ($name, %{$args || {} });	1148	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1164	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1165	my ($filename, $rdata, $objs) = @_;
819		1166
820	sync_job {	1167	sync_job {
821	if (length $$rdata) {	1168	if (length $$rdata) {
		1169	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1170	warn sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1171	$decname, length $$rdata, scalar @$objs;
824		1172
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1173	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1174	aio_chmod $fh, SAVE_MODE;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1175	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1176	if ($cf::USE_FSYNC) {
		1177	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;
		1178	aio_fsync $fh;
		1179	}
829	close $fh;	1180	aio_close $fh;
830		1181
831	if (@$objs) {	1182	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1183	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1184	aio_chmod $fh, SAVE_MODE;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1185	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1186	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1187	if ($cf::USE_FSYNC) {
		1188	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;
		1189	aio_fsync $fh;
		1190	}
837	close $fh;	1191	aio_close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1192	aio_rename "$filename.pst~", "$filename.pst";
839	}	1193	}
840	} else {	1194	} else {
841	aio_unlink "$filename.pst";	1195	aio_unlink "$filename.pst";
842	}	1196	}
843		1197
844	aio_rename "$filename~", $filename;	1198	aio_rename "$filename~", $filename;
		1199
		1200	$filename =~ s%/[^/]+$%%;
		1201	aio_pathsync $filename if $cf::USE_FSYNC;
845	} else {	1202	} else {
846	warn "FATAL: $filename~: $!\n";	1203	warn "unable to save objects: $filename~: $!\n";
847	}	1204	}
848	} else {	1205	} else {
849	aio_unlink $filename;	1206	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1207	aio_unlink "$filename.pst";
851	}	1208	}
852	}	1209	};
853	}	1210	}
854		1211
855	sub object_freezer_as_string {	1212	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1213	my ($rdata, $objs) = @_;
857		1214
…		…
869	or return;	1226	or return;
870		1227
871	unless (aio_stat "$filename.pst") {	1228	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1229	(aio_load "$filename.pst", $av) >= 0
873	or return;	1230	or return;
		1231
874	$av = eval { (Storable::thaw $av)->{objs} };	1232	my $st = eval { Coro::Storable::thaw $av };
		1233	$av = $st->{objs};
875	}	1234	}
876		1235
		1236	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1237	warn sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1238	$decname, length $data, scalar @{$av || []};
		1239
879	return ($data, $av);	1240	($data, $av)
880	}	1241	}
		1242
		1243	=head2 COMMAND CALLBACKS
		1244
		1245	=over 4
		1246
		1247	=cut
881		1248
882	#############################################################################	1249	#############################################################################
883	# command handling &c	1250	# command handling &c
884		1251
885	=item cf::register_command $name => \&callback($ob,$args);	1252	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1265	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1266	}
900		1267
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1268	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1269
903	Register a callbackf ro execution when the client sends an extcmd packet.	1270	Register a callback for execution when the client sends an (synchronous)
		1271	extcmd packet. Ext commands will be processed in the order they are
		1272	received by the server, like other user commands. The first argument is
		1273	the logged-in player. Ext commands can only be processed after a player
		1274	has logged in successfully.
904		1275
905	If the callback returns something, it is sent back as if reply was being	1276	If the callback returns something, it is sent back as if reply was being
906	called.	1277	called.
907		1278
		1279	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1280
		1281	Register a callback for execution when the client sends an (asynchronous)
		1282	exticmd packet. Exti commands are processed by the server as soon as they
		1283	are received, i.e. out of order w.r.t. other commands. The first argument
		1284	is a client socket. Exti commands can be received anytime, even before
		1285	log-in.
		1286
		1287	If the callback returns something, it is sent back as if reply was being
		1288	called.
		1289
908	=cut	1290	=cut
909		1291
910	sub register_extcmd {	1292	sub register_extcmd {
911	my ($name, $cb) = @_;	1293	my ($name, $cb) = @_;
912		1294
913	$EXTCMD{$name} = $cb;	1295	$EXTCMD{$name} = $cb;
914	}	1296	}
		1297
		1298	sub register_exticmd {
		1299	my ($name, $cb) = @_;
		1300
		1301	$EXTICMD{$name} = $cb;
		1302	}
		1303
		1304	use File::Glob ();
915		1305
916	cf::player->attach (	1306	cf::player->attach (
917	on_command => sub {	1307	on_command => sub {
918	my ($pl, $name, $params) = @_;	1308	my ($pl, $name, $params) = @_;
919		1309
…		…
927	cf::override;	1317	cf::override;
928	},	1318	},
929	on_extcmd => sub {	1319	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1320	my ($pl, $buf) = @_;
931		1321
932	my $msg = eval { from_json $buf };	1322	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1323
934	if (ref $msg) {	1324	if (ref $msg) {
		1325	my ($type, $reply, @payload) =
		1326	"ARRAY" eq ref $msg
		1327	? @$msg
		1328	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1329
		1330	my @reply;
		1331
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1332	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1333	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1334	}
		1335
		1336	$pl->ext_reply ($reply, @reply)
		1337	if $reply;
		1338
940	} else {	1339	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1340	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1341	}
943		1342
944	cf::override;	1343	cf::override;
945	},	1344	},
946	);	1345	);
947		1346
		1347	# "readahead" all extensions
948	sub load_extension {	1348	sub cache_extensions {
949	my ($path) = @_;	1349	my $grp = IO::AIO::aio_group;
950		1350
951	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1351	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
952	my $base = $1;	1352	for (grep /\.ext$/, @{$_[0]}) {
953	my $pkg = $1;	1353	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
954	$pkg =~ s/[^[:word:]]/_/g;
955	$pkg = "ext::$pkg";
956
957	warn "... loading '$path' into '$pkg'\n";
958
959	open my $fh, "<:utf8", $path
960	or die "$path: $!";
961
962	my $source =
963	"package $pkg; use strict; use utf8;\n"
964	. "#line 1 \"$path\"\n{\n"
965	. (do { local $/; <$fh> })
966	. "\n};\n1";
967
968	unless (eval $source) {
969	my $msg = $@ ? "$path: $@\n"
970	: "extension disabled.\n";
971	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
972	warn $@;
973	warn "mandatory extension failed to load, exiting.\n";
974	exit 1;
975	}	1354	}
976	die $@;
977	}	1355	};
978		1356
979	push @EXTS, $pkg;	1357	$grp
980	}	1358	}
981		1359
982	sub load_extensions {	1360	sub load_extensions {
		1361	cf::sync_job {
		1362	my %todo;
		1363
983	for my $ext (<$LIBDIR/*.ext>) {	1364	for my $path (<$LIBDIR/*.ext>) {
984	next unless -r $ext;	1365	next unless -r $path;
985	eval {	1366
986	load_extension $ext;	1367	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1368	my $base = $1;
		1369	my $pkg = $1;
		1370	$pkg =~ s/[^[:word:]]/_/g;
		1371	$pkg = "ext::$pkg";
		1372
		1373	open my $fh, "<:utf8", $path
		1374	or die "$path: $!";
		1375
		1376	my $source = do { local $/; <$fh> };
		1377
		1378	my %ext = (
		1379	path => $path,
		1380	base => $base,
		1381	pkg => $pkg,
		1382	);
		1383
		1384	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1385	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1386
		1387	$ext{source} =
		1388	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1389	. "#line 1 \"$path\"\n{\n"
		1390	. $source
		1391	. "\n};\n1";
		1392
		1393	$todo{$base} = \%ext;
		1394	}
		1395
		1396	my %done;
		1397	while (%todo) {
		1398	my $progress;
		1399
		1400	while (my ($k, $v) = each %todo) {
		1401	for (split /,\s*/, $v->{meta}{depends}) {
		1402	goto skip
		1403	unless exists $done{$_};
		1404	}
		1405
		1406	warn "... loading '$k' into '$v->{pkg}'\n";
		1407
		1408	unless (eval $v->{source}) {
		1409	my $msg = $@ ? "$v->{path}: $@\n"
		1410	: "$v->{base}: extension inactive.\n";
		1411
		1412	if (exists $v->{meta}{mandatory}) {
		1413	warn $msg;
		1414	cf::cleanup "mandatory extension failed to load, exiting.";
		1415	}
		1416
		1417	warn $msg;
		1418	}
		1419
		1420	$done{$k} = delete $todo{$k};
		1421	push @EXTS, $v->{pkg};
		1422	$progress = 1;
987	1	1423	}
988	} or warn "$ext not loaded: $@";	1424
		1425	skip:
		1426	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1427	unless $progress;
		1428	}
989	}	1429	};
990	}	1430	}
991		1431
992	#############################################################################	1432	#############################################################################
993		1433
		1434	=back
		1435
994	=head2 CORE EXTENSIONS	1436	=head2 CORE EXTENSIONS
995		1437
996	Functions and methods that extend core crossfire objects.	1438	Functions and methods that extend core deliantra objects.
997		1439
998	=cut	1440	=cut
999		1441
1000	package cf::player;	1442	package cf::player;
1001		1443
1002	use Coro::AIO;	1444	use Coro::AIO;
1003		1445
1004	=head3 cf::player	1446	=head3 cf::player
1005		1447
1006	=over 4	1448	=over 4
		1449
		1450	=item cf::player::num_playing
		1451
		1452	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1453
		1454	=cut
		1455
		1456	sub num_playing {
		1457	scalar grep
		1458	$_->ob->map
		1459	&& !$_->hidden
		1460	&& !$_->ob->flag (cf::FLAG_WIZ),
		1461	cf::player::list
		1462	}
1007		1463
1008	=item cf::player::find $login	1464	=item cf::player::find $login
1009		1465
1010	Returns the given player object, loading it if necessary (might block).	1466	Returns the given player object, loading it if necessary (might block).
1011		1467
…		…
1030		1486
1031	sub exists($) {	1487	sub exists($) {
1032	my ($login) = @_;	1488	my ($login) = @_;
1033		1489
1034	$cf::PLAYER{$login}	1490	$cf::PLAYER{$login}
1035	or cf::sync_job { !aio_stat path $login }	1491	or !aio_stat path $login
1036	}	1492	}
1037		1493
1038	sub find($) {	1494	sub find($) {
1039	return $cf::PLAYER{$_[0]} || do {	1495	return $cf::PLAYER{$_[0]} || do {
1040	my $login = $_[0];	1496	my $login = $_[0];
…		…
1047	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1503	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1048	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1504	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1049	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1505	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1050	aio_unlink +(playerdir $login) . "/$login.pl";	1506	aio_unlink +(playerdir $login) . "/$login.pl";
1051		1507
1052	my $pl = load_pl path $login	1508	my $f = new_from_file cf::object::thawer path $login
1053	or return;	1509	or return;
		1510
		1511	my $pl = cf::player::load_pl $f
		1512	or return;
		1513
		1514	local $cf::PLAYER_LOADING{$login} = $pl;
		1515	$f->resolve_delayed_derefs;
1054	$cf::PLAYER{$login} = $pl	1516	$cf::PLAYER{$login} = $pl
1055	}	1517	}
1056	}	1518	}
1057	}	1519	}
1058		1520
…		…
1067	return if $pl->{deny_save};	1529	return if $pl->{deny_save};
1068		1530
1069	aio_mkdir playerdir $pl, 0770;	1531	aio_mkdir playerdir $pl, 0770;
1070	$pl->{last_save} = $cf::RUNTIME;	1532	$pl->{last_save} = $cf::RUNTIME;
1071		1533
		1534	cf::get_slot 0.01;
		1535
1072	$pl->save_pl ($path);	1536	$pl->save_pl ($path);
1073	Coro::cede;	1537	cf::cede_to_tick;
1074	}	1538	}
1075		1539
1076	sub new($) {	1540	sub new($) {
1077	my ($login) = @_;	1541	my ($login) = @_;
1078		1542
…		…
1084	$cf::PLAYER{$login} = $self;	1548	$cf::PLAYER{$login} = $self;
1085		1549
1086	$self	1550	$self
1087	}	1551	}
1088		1552
		1553	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1554
		1555	=cut
		1556
		1557	sub send_msg {
		1558	my $ns = shift->ns
		1559	or return;
		1560	$ns->send_msg (@_);
		1561	}
		1562
1089	=item $pl->quit_character	1563	=item $pl->quit_character
1090		1564
1091	Nukes the player without looking back. If logged in, the connection will	1565	Nukes the player without looking back. If logged in, the connection will
1092	be destroyed. May block for a long time.	1566	be destroyed. May block for a long time.
1093		1567
…		…
1097	my ($pl) = @_;	1571	my ($pl) = @_;
1098		1572
1099	my $name = $pl->ob->name;	1573	my $name = $pl->ob->name;
1100		1574
1101	$pl->{deny_save} = 1;	1575	$pl->{deny_save} = 1;
1102	$pl->password ("*"); # this should lock out the player until we nuked the dir	1576	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1103		1577
1104	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1578	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1105	$pl->deactivate;	1579	$pl->deactivate;
		1580	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1581	$pl->ob->check_score;
1106	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1582	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1107	$pl->ns->destroy if $pl->ns;	1583	$pl->ns->destroy if $pl->ns;
1108		1584
1109	my $path = playerdir $pl;	1585	my $path = playerdir $pl;
1110	my $temp = "$path~$cf::RUNTIME~deleting~";	1586	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1146	or return [];	1622	or return [];
1147		1623
1148	my @logins;	1624	my @logins;
1149		1625
1150	for my $login (@$dirs) {	1626	for my $login (@$dirs) {
		1627	my $path = path $login;
		1628
		1629	# a .pst is a dead give-away for a valid player
		1630	# if no pst file found, open and chekc for blocked users
		1631	if (aio_stat "$path.pst") {
1151	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1632	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1152	aio_read $fh, 0, 512, my $buf, 0 or next;	1633	aio_read $fh, 0, 512, my $buf, 0 or next;
1153	$buf !~ /^password -------------$/m or next; # official not-valid tag	1634	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1635	}
1154		1636
1155	utf8::decode $login;	1637	utf8::decode $login;
1156	push @logins, $login;	1638	push @logins, $login;
1157	}	1639	}
1158		1640
…		…
1185	}	1667	}
1186		1668
1187	\@paths	1669	\@paths
1188	}	1670	}
1189		1671
		1672	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1673
		1674	Expand deliantra pod fragments into protocol xml.
		1675
1190	=item $player->ext_reply ($msgid, %msg)	1676	=item $player->ext_reply ($msgid, @msg)
1191		1677
1192	Sends an ext reply to the player.	1678	Sends an ext reply to the player.
1193		1679
1194	=cut	1680	=cut
1195		1681
1196	sub ext_reply($$%) {	1682	sub ext_reply($$@) {
1197	my ($self, $id, %msg) = @_;	1683	my ($self, $id, @msg) = @_;
1198		1684
1199	$msg{msgid} = $id;	1685	$self->ns->ext_reply ($id, @msg)
1200
1201	$self->send ("ext " . cf::to_json \%msg);
1202	}	1686	}
1203		1687
1204	=item $player->ext_event ($type, %msg)	1688	=item $player->ext_msg ($type, @msg)
1205		1689
1206	Sends an ext event to the client.	1690	Sends an ext event to the client.
1207		1691
1208	=cut	1692	=cut
1209		1693
1210	sub ext_event($$%) {	1694	sub ext_msg($$@) {
1211	my ($self, $type, %msg) = @_;	1695	my ($self, $type, @msg) = @_;
1212		1696
1213	$self->ns->ext_event ($type, %msg);	1697	$self->ns->ext_msg ($type, @msg);
1214	}	1698	}
1215		1699
1216	=head3 cf::region	1700	=head3 cf::region
1217		1701
1218	=over 4	1702	=over 4
…		…
1221		1705
1222	package cf::region;	1706	package cf::region;
1223		1707
1224	=item cf::region::find_by_path $path	1708	=item cf::region::find_by_path $path
1225		1709
1226	Tries to decuce the probable region for a map knowing only its path.	1710	Tries to decuce the likely region for a map knowing only its path.
1227		1711
1228	=cut	1712	=cut
1229		1713
1230	sub find_by_path($) {	1714	sub find_by_path($) {
1231	my ($path) = @_;	1715	my ($path) = @_;
1232		1716
1233	my ($match, $specificity);	1717	my ($match, $specificity);
1234		1718
1235	for my $region (list) {	1719	for my $region (list) {
1236	if ($region->match && $path =~ $region->match) {	1720	if ($region->{match} && $path =~ $region->{match}) {
1237	($match, $specificity) = ($region, $region->specificity)	1721	($match, $specificity) = ($region, $region->specificity)
1238	if $region->specificity > $specificity;	1722	if $region->specificity > $specificity;
1239	}	1723	}
1240	}	1724	}
1241		1725
…		…
1262	our $MAX_RESET = 3600;	1746	our $MAX_RESET = 3600;
1263	our $DEFAULT_RESET = 3000;	1747	our $DEFAULT_RESET = 3000;
1264		1748
1265	sub generate_random_map {	1749	sub generate_random_map {
1266	my ($self, $rmp) = @_;	1750	my ($self, $rmp) = @_;
		1751
		1752	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1753
1267	# mit "rum" bekleckern, nicht	1754	# mit "rum" bekleckern, nicht
1268	$self->_create_random_map (	1755	$self->_create_random_map (
1269	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1756	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1270	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1757	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1271	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1758	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1361	$self->init; # pass $1 etc.	1848	$self->init; # pass $1 etc.
1362	return $self;	1849	return $self;
1363	}	1850	}
1364	}	1851	}
1365		1852
1366	Carp::carp "unable to resolve path '$path' (base '$base').";	1853	Carp::cluck "unable to resolve path '$path' (base '$base').";
1367	()	1854	()
1368	}	1855	}
1369		1856
1370	sub init {	1857	sub init {
1371	my ($self) = @_;	1858	my ($self) = @_;
…		…
1393		1880
1394	# the temporary/swap location	1881	# the temporary/swap location
1395	sub save_path {	1882	sub save_path {
1396	my ($self) = @_;	1883	my ($self) = @_;
1397		1884
1398	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1885	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1399	"$TMPDIR/$path.map"	1886	"$TMPDIR/$path.map"
1400	}	1887	}
1401		1888
1402	# the unique path, undef == no special unique path	1889	# the unique path, undef == no special unique path
1403	sub uniq_path {	1890	sub uniq_path {
1404	my ($self) = @_;	1891	my ($self) = @_;
1405		1892
1406	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1893	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1407	"$UNIQUEDIR/$path"	1894	"$UNIQUEDIR/$path"
1408	}
1409
1410	# and all this just because we cannot iterate over
1411	# all maps in C++...
1412	sub change_all_map_light {
1413	my ($change) = @_;
1414
1415	$_->change_map_light ($change)
1416	for grep $_->outdoor, values %cf::MAP;
1417	}	1895	}
1418		1896
1419	sub decay_objects {	1897	sub decay_objects {
1420	my ($self) = @_;	1898	my ($self) = @_;
1421		1899
…		…
1434		1912
1435	sub load_header_from($) {	1913	sub load_header_from($) {
1436	my ($self, $path) = @_;	1914	my ($self, $path) = @_;
1437		1915
1438	utf8::encode $path;	1916	utf8::encode $path;
1439	#aio_open $path, O_RDONLY, 0	1917	my $f = new_from_file cf::object::thawer $path
1440	# or return;
1441
1442	$self->_load_header ($path)
1443	or return;	1918	or return;
		1919
		1920	$self->_load_header ($f)
		1921	or return;
		1922
		1923	local $MAP_LOADING{$self->{path}} = $self;
		1924	$f->resolve_delayed_derefs;
1444		1925
1445	$self->{load_path} = $path;	1926	$self->{load_path} = $path;
1446		1927
1447	1	1928	1
1448	}	1929	}
…		…
1502	sub find {	1983	sub find {
1503	my ($path, $origin) = @_;	1984	my ($path, $origin) = @_;
1504		1985
1505	$path = normalise $path, $origin && $origin->path;	1986	$path = normalise $path, $origin && $origin->path;
1506		1987
		1988	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1507	cf::lock_wait "map_find:$path";	1989	my $guard2 = cf::lock_acquire "map_find:$path";
1508		1990
1509	$cf::MAP{$path} || do {	1991	$cf::MAP{$path} || do {
1510	my $guard = cf::lock_acquire "map_find:$path";
1511	my $map = new_from_path cf::map $path	1992	my $map = new_from_path cf::map $path
1512	or return;	1993	or return;
1513		1994
1514	$map->{last_save} = $cf::RUNTIME;	1995	$map->{last_save} = $cf::RUNTIME;
1515		1996
…		…
1517	or return;	1998	or return;
1518		1999
1519	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2000	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1520	# doing this can freeze the server in a sync job, obviously	2001	# doing this can freeze the server in a sync job, obviously
1521	#$cf::WAIT_FOR_TICK->wait;	2002	#$cf::WAIT_FOR_TICK->wait;
		2003	undef $guard2;
		2004	undef $guard1;
1522	$map->reset;	2005	$map->reset;
1523	undef $guard;
1524	return find $path;	2006	return find $path;
1525	}	2007	}
1526		2008
1527	$cf::MAP{$path} = $map	2009	$cf::MAP{$path} = $map
1528	}	2010	}
…		…
1537	local $self->{deny_reset} = 1; # loading can take a long time	2019	local $self->{deny_reset} = 1; # loading can take a long time
1538		2020
1539	my $path = $self->{path};	2021	my $path = $self->{path};
1540		2022
1541	{	2023	{
1542	my $guard = cf::lock_acquire "map_load:$path";	2024	my $guard = cf::lock_acquire "map_data:$path";
1543		2025
		2026	return unless $self->valid;
1544	return if $self->in_memory != cf::MAP_SWAPPED;	2027	return unless $self->in_memory == cf::MAP_SWAPPED;
1545		2028
1546	$self->in_memory (cf::MAP_LOADING);	2029	$self->in_memory (cf::MAP_LOADING);
1547		2030
1548	$self->alloc;	2031	$self->alloc;
1549		2032
1550	$self->pre_load;	2033	$self->pre_load;
1551	Coro::cede;	2034	cf::cede_to_tick;
1552		2035
		2036	my $f = new_from_file cf::object::thawer $self->{load_path};
		2037	$f->skip_block;
1553	$self->_load_objects ($self->{load_path}, 1)	2038	$self->_load_objects ($f)
1554	or return;	2039	or return;
1555		2040
1556	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2041	$self->post_load_original
1557	if delete $self->{load_original};	2042	if delete $self->{load_original};
1558		2043
1559	if (my $uniq = $self->uniq_path) {	2044	if (my $uniq = $self->uniq_path) {
1560	utf8::encode $uniq;	2045	utf8::encode $uniq;
1561	if (aio_open $uniq, O_RDONLY, 0) {	2046	unless (aio_stat $uniq) {
		2047	if (my $f = new_from_file cf::object::thawer $uniq) {
1562	$self->clear_unique_items;	2048	$self->clear_unique_items;
1563	$self->_load_objects ($uniq, 0);	2049	$self->_load_objects ($f);
		2050	$f->resolve_delayed_derefs;
		2051	}
1564	}	2052	}
1565	}	2053	}
1566		2054
1567	Coro::cede;	2055	$f->resolve_delayed_derefs;
		2056
		2057	cf::cede_to_tick;
1568	# now do the right thing for maps	2058	# now do the right thing for maps
1569	$self->link_multipart_objects;	2059	$self->link_multipart_objects;
1570	$self->difficulty ($self->estimate_difficulty)	2060	$self->difficulty ($self->estimate_difficulty)
1571	unless $self->difficulty;	2061	unless $self->difficulty;
1572	Coro::cede;	2062	cf::cede_to_tick;
1573		2063
1574	unless ($self->{deny_activate}) {	2064	unless ($self->{deny_activate}) {
1575	$self->decay_objects;	2065	$self->decay_objects;
1576	$self->fix_auto_apply;	2066	$self->fix_auto_apply;
1577	$self->update_buttons;	2067	$self->update_buttons;
1578	Coro::cede;	2068	cf::cede_to_tick;
1579	$self->set_darkness_map;
1580	Coro::cede;
1581	$self->activate;	2069	$self->activate;
1582	}	2070	}
1583		2071
		2072	$self->{last_save} = $cf::RUNTIME;
		2073	$self->last_access ($cf::RUNTIME);
		2074
1584	$self->in_memory (cf::MAP_IN_MEMORY);	2075	$self->in_memory (cf::MAP_ACTIVE);
1585	}	2076	}
1586		2077
1587	$self->post_load;	2078	$self->post_load;
1588	}	2079	}
1589		2080
…		…
1598		2089
1599	$self	2090	$self
1600	}	2091	}
1601		2092
1602	# find and load all maps in the 3x3 area around a map	2093	# find and load all maps in the 3x3 area around a map
1603	sub load_diag {	2094	sub load_neighbours {
1604	my ($map) = @_;	2095	my ($map) = @_;
1605		2096
1606	my @diag; # diagonal neighbours	2097	my @neigh; # diagonal neighbours
1607		2098
1608	for (0 .. 3) {	2099	for (0 .. 3) {
1609	my $neigh = $map->tile_path ($_)	2100	my $neigh = $map->tile_path ($_)
1610	or next;	2101	or next;
1611	$neigh = find $neigh, $map	2102	$neigh = find $neigh, $map
1612	or next;	2103	or next;
1613	$neigh->load;	2104	$neigh->load;
1614		2105
		2106	push @neigh,
1615	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2107	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1616	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2108	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1617	}	2109	}
1618		2110
1619	for (@diag) {	2111	for (grep defined $_->[0], @neigh) {
		2112	my ($path, $origin) = @$_;
1620	my $neigh = find @$_	2113	my $neigh = find $path, $origin
1621	or next;	2114	or next;
1622	$neigh->load;	2115	$neigh->load;
1623	}	2116	}
1624	}	2117	}
1625		2118
…		…
1630	}	2123	}
1631		2124
1632	sub do_load_sync {	2125	sub do_load_sync {
1633	my ($map) = @_;	2126	my ($map) = @_;
1634		2127
		2128	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2129	if $Coro::current == $Coro::main;
		2130
1635	cf::sync_job { $map->load };	2131	cf::sync_job { $map->load };
1636	}	2132	}
1637		2133
1638	our %MAP_PREFETCH;	2134	our %MAP_PREFETCH;
1639	our $MAP_PREFETCHER = undef;	2135	our $MAP_PREFETCHER = undef;
1640		2136
1641	sub find_async {	2137	sub find_async {
1642	my ($path, $origin) = @_;	2138	my ($path, $origin, $load) = @_;
1643		2139
1644	$path = normalise $path, $origin && $origin->{path};	2140	$path = normalise $path, $origin && $origin->{path};
1645		2141
1646	if (my $map = $cf::MAP{$path}) {	2142	if (my $map = $cf::MAP{$path}) {
1647	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2143	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1648	}	2144	}
1649		2145
1650	undef $MAP_PREFETCH{$path};	2146	$MAP_PREFETCH{$path} |= $load;
		2147
1651	$MAP_PREFETCHER ||= cf::async {	2148	$MAP_PREFETCHER ||= cf::async {
		2149	$Coro::current->{desc} = "map prefetcher";
		2150
1652	while (%MAP_PREFETCH) {	2151	while (%MAP_PREFETCH) {
1653	for my $path (keys %MAP_PREFETCH) {	2152	while (my ($k, $v) = each %MAP_PREFETCH) {
1654	my $map = find $path	2153	if (my $map = find $k) {
1655	or next;
1656	$map->load;	2154	$map->load if $v;
		2155	}
1657		2156
1658	delete $MAP_PREFETCH{$path};	2157	delete $MAP_PREFETCH{$k};
1659	}	2158	}
1660	}	2159	}
1661	undef $MAP_PREFETCHER;	2160	undef $MAP_PREFETCHER;
1662	};	2161	};
1663	$MAP_PREFETCHER->prio (6);	2162	$MAP_PREFETCHER->prio (6);
…		…
1666	}	2165	}
1667		2166
1668	sub save {	2167	sub save {
1669	my ($self) = @_;	2168	my ($self) = @_;
1670		2169
1671	my $lock = cf::lock_acquire "map_data:" . $self->path;	2170	my $lock = cf::lock_acquire "map_data:$self->{path}";
1672		2171
1673	$self->{last_save} = $cf::RUNTIME;	2172	$self->{last_save} = $cf::RUNTIME;
1674		2173
1675	return unless $self->dirty;	2174	return unless $self->dirty;
1676		2175
…		…
1682	return if $self->{deny_save};	2181	return if $self->{deny_save};
1683		2182
1684	local $self->{last_access} = $self->last_access;#d#	2183	local $self->{last_access} = $self->last_access;#d#
1685		2184
1686	cf::async {	2185	cf::async {
		2186	$Coro::current->{desc} = "map player save";
1687	$_->contr->save for $self->players;	2187	$_->contr->save for $self->players;
1688	};	2188	};
		2189
		2190	cf::get_slot 0.02;
1689		2191
1690	if ($uniq) {	2192	if ($uniq) {
1691	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2193	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1692	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2194	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1693	} else {	2195	} else {
…		…
1699	my ($self) = @_;	2201	my ($self) = @_;
1700		2202
1701	# save first because save cedes	2203	# save first because save cedes
1702	$self->save;	2204	$self->save;
1703		2205
1704	my $lock = cf::lock_acquire "map_data:" . $self->path;	2206	my $lock = cf::lock_acquire "map_data:$self->{path}";
1705		2207
1706	return if $self->players;	2208	return if $self->players;
1707	return if $self->in_memory != cf::MAP_IN_MEMORY;	2209	return if $self->in_memory != cf::MAP_ACTIVE;
1708	return if $self->{deny_save};	2210	return if $self->{deny_save};
1709		2211
		2212	$self->in_memory (cf::MAP_SWAPPED);
		2213
		2214	$self->deactivate;
		2215	$_->clear_links_to ($self) for values %cf::MAP;
1710	$self->clear;	2216	$self->clear;
1711	$self->in_memory (cf::MAP_SWAPPED);
1712	}	2217	}
1713		2218
1714	sub reset_at {	2219	sub reset_at {
1715	my ($self) = @_;	2220	my ($self) = @_;
1716		2221
…		…
1734		2239
1735	my $lock = cf::lock_acquire "map_data:$self->{path}";	2240	my $lock = cf::lock_acquire "map_data:$self->{path}";
1736		2241
1737	return if $self->players;	2242	return if $self->players;
1738		2243
1739	warn "resetting map ", $self->path;	2244	warn "resetting map ", $self->path, "\n";
1740		2245
1741	$self->in_memory (cf::MAP_SWAPPED);	2246	$self->in_memory (cf::MAP_SWAPPED);
1742		2247
1743	# need to save uniques path	2248	# need to save uniques path
1744	unless ($self->{deny_save}) {	2249	unless ($self->{deny_save}) {
…		…
1748	if $uniq;	2253	if $uniq;
1749	}	2254	}
1750		2255
1751	delete $cf::MAP{$self->path};	2256	delete $cf::MAP{$self->path};
1752		2257
		2258	$self->deactivate;
		2259	$_->clear_links_to ($self) for values %cf::MAP;
1753	$self->clear;	2260	$self->clear;
1754
1755	$_->clear_links_to ($self) for values %cf::MAP;
1756		2261
1757	$self->unlink_save;	2262	$self->unlink_save;
1758	$self->destroy;	2263	$self->destroy;
1759	}	2264	}
1760		2265
1761	my $nuke_counter = "aaaa";	2266	my $nuke_counter = "aaaa";
1762		2267
1763	sub nuke {	2268	sub nuke {
1764	my ($self) = @_;	2269	my ($self) = @_;
1765		2270
		2271	{
		2272	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2273
1766	delete $cf::MAP{$self->path};	2274	delete $cf::MAP{$self->path};
1767		2275
1768	$self->unlink_save;	2276	$self->unlink_save;
1769		2277
1770	bless $self, "cf::map";	2278	bless $self, "cf::map";
1771	delete $self->{deny_reset};	2279	delete $self->{deny_reset};
1772	$self->{deny_save} = 1;	2280	$self->{deny_save} = 1;
1773	$self->reset_timeout (1);	2281	$self->reset_timeout (1);
1774	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2282	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1775		2283
1776	$cf::MAP{$self->path} = $self;	2284	$cf::MAP{$self->path} = $self;
		2285	}
1777		2286
1778	$self->reset; # polite request, might not happen	2287	$self->reset; # polite request, might not happen
		2288	}
		2289
		2290	=item $maps = cf::map::tmp_maps
		2291
		2292	Returns an arrayref with all map paths of currently instantiated and saved
		2293	maps. May block.
		2294
		2295	=cut
		2296
		2297	sub tmp_maps() {
		2298	[
		2299	map {
		2300	utf8::decode $_;
		2301	/\.map$/
		2302	? normalise $_
		2303	: ()
		2304	} @{ aio_readdir $TMPDIR or [] }
		2305	]
		2306	}
		2307
		2308	=item $maps = cf::map::random_maps
		2309
		2310	Returns an arrayref with all map paths of currently instantiated and saved
		2311	random maps. May block.
		2312
		2313	=cut
		2314
		2315	sub random_maps() {
		2316	[
		2317	map {
		2318	utf8::decode $_;
		2319	/\.map$/
		2320	? normalise "?random/$_"
		2321	: ()
		2322	} @{ aio_readdir $RANDOMDIR or [] }
		2323	]
1779	}	2324	}
1780		2325
1781	=item cf::map::unique_maps	2326	=item cf::map::unique_maps
1782		2327
1783	Returns an arrayref of paths of all shared maps that have	2328	Returns an arrayref of paths of all shared maps that have
1784	instantiated unique items. May block.	2329	instantiated unique items. May block.
1785		2330
1786	=cut	2331	=cut
1787		2332
1788	sub unique_maps() {	2333	sub unique_maps() {
1789	my $files = aio_readdir $UNIQUEDIR	2334	[
1790	or return;	2335	map {
1791
1792	my @paths;
1793
1794	for (@$files) {
1795	utf8::decode $_;	2336	utf8::decode $_;
1796	next if /\.pst$/;	2337	s/\.map$//; # TODO future compatibility hack
1797	next unless /^$PATH_SEP/o;	2338	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1798		2339	? ()
1799	push @paths, cf::map::normalise $_;	2340	: normalise $_
		2341	} @{ aio_readdir $UNIQUEDIR or [] }
1800	}	2342	]
1801
1802	\@paths
1803	}	2343	}
1804
1805	package cf;
1806		2344
1807	=back	2345	=back
1808		2346
1809	=head3 cf::object	2347	=head3 cf::object
1810		2348
…		…
1814		2352
1815	=over 4	2353	=over 4
1816		2354
1817	=item $ob->inv_recursive	2355	=item $ob->inv_recursive
1818		2356
1819	Returns the inventory of the object _and_ their inventories, recursively.	2357	Returns the inventory of the object I<and> their inventories, recursively,
		2358	but I<not> the object itself.
1820		2359
1821	=cut	2360	=cut
1822		2361
1823	sub inv_recursive_;	2362	sub inv_recursive_;
1824	sub inv_recursive_ {	2363	sub inv_recursive_ {
…		…
1827		2366
1828	sub inv_recursive {	2367	sub inv_recursive {
1829	inv_recursive_ inv $_[0]	2368	inv_recursive_ inv $_[0]
1830	}	2369	}
1831		2370
		2371	=item $ref = $ob->ref
		2372
		2373	Creates and returns a persistent reference to an object that can be stored as a string.
		2374
		2375	=item $ob = cf::object::deref ($refstring)
		2376
		2377	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2378	even if the object actually exists. May block.
		2379
		2380	=cut
		2381
		2382	sub deref {
		2383	my ($ref) = @_;
		2384
		2385	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2386	my ($uuid, $name) = ($1, $2);
		2387	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2388	or return;
		2389	$pl->ob->uuid eq $uuid
		2390	or return;
		2391
		2392	$pl->ob
		2393	} else {
		2394	warn "$ref: cannot resolve object reference\n";
		2395	undef
		2396	}
		2397	}
		2398
1832	package cf;	2399	package cf;
1833		2400
1834	=back	2401	=back
1835		2402
1836	=head3 cf::object::player	2403	=head3 cf::object::player
…		…
1842	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2409	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1843	can be C<undef>. Does the right thing when the player is currently in a	2410	can be C<undef>. Does the right thing when the player is currently in a
1844	dialogue with the given NPC character.	2411	dialogue with the given NPC character.
1845		2412
1846	=cut	2413	=cut
		2414
		2415	our $SAY_CHANNEL = {
		2416	id => "say",
		2417	title => "Map",
		2418	reply => "say ",
		2419	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2420	};
		2421
		2422	our $CHAT_CHANNEL = {
		2423	id => "chat",
		2424	title => "Chat",
		2425	reply => "chat ",
		2426	tooltip => "Player chat and shouts, global to the server.",
		2427	};
1847		2428
1848	# rough implementation of a future "reply" method that works	2429	# rough implementation of a future "reply" method that works
1849	# with dialog boxes.	2430	# with dialog boxes.
1850	#TODO: the first argument must go, split into a $npc->reply_to ( method	2431	#TODO: the first argument must go, split into a $npc->reply_to ( method
1851	sub cf::object::player::reply($$$;$) {	2432	sub cf::object::player::reply($$$;$) {
…		…
1853		2434
1854	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2435	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1855		2436
1856	if ($self->{record_replies}) {	2437	if ($self->{record_replies}) {
1857	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2438	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2439
1858	} else {	2440	} else {
		2441	my $pl = $self->contr;
		2442
		2443	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2444	my $dialog = $pl->{npc_dialog};
		2445	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2446
		2447	} else {
1859	$msg = $npc->name . " says: $msg" if $npc;	2448	$msg = $npc->name . " says: $msg" if $npc;
1860	$self->message ($msg, $flags);	2449	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2450	}
1861	}	2451	}
		2452	}
		2453
		2454	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2455
		2456	=cut
		2457
		2458	sub cf::object::send_msg {
		2459	my $pl = shift->contr
		2460	or return;
		2461	$pl->send_msg (@_);
1862	}	2462	}
1863		2463
1864	=item $player_object->may ("access")	2464	=item $player_object->may ("access")
1865		2465
1866	Returns wether the given player is authorized to access resource "access"	2466	Returns wether the given player is authorized to access resource "access"
…		…
1879		2479
1880	=item $player_object->enter_link	2480	=item $player_object->enter_link
1881		2481
1882	Freezes the player and moves him/her to a special map (C<{link}>).	2482	Freezes the player and moves him/her to a special map (C<{link}>).
1883		2483
1884	The player should be reasonably safe there for short amounts of time. You	2484	The player should be reasonably safe there for short amounts of time (e.g.
1885	I<MUST> call C<leave_link> as soon as possible, though.	2485	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2486	though, as the palyer cannot control the character while it is on the link
		2487	map.
1886		2488
1887	Will never block.	2489	Will never block.
1888		2490
1889	=item $player_object->leave_link ($map, $x, $y)	2491	=item $player_object->leave_link ($map, $x, $y)
1890		2492
…		…
1945	# use -1 or undef as default coordinates, not 0, 0	2547	# use -1 or undef as default coordinates, not 0, 0
1946	($x, $y) = ($map->enter_x, $map->enter_y)	2548	($x, $y) = ($map->enter_x, $map->enter_y)
1947	if $x <=0 && $y <= 0;	2549	if $x <=0 && $y <= 0;
1948		2550
1949	$map->load;	2551	$map->load;
1950	$map->load_diag;	2552	$map->load_neighbours;
1951		2553
1952	return unless $self->contr->active;	2554	return unless $self->contr->active;
1953	$self->activate_recursive;
1954		2555
1955	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2556	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1956	$self->enter_map ($map, $x, $y);	2557	$self->enter_map ($map, $x, $y);
1957	}
1958		2558
		2559	# only activate afterwards, to support waiting in hooks
		2560	$self->activate_recursive;
		2561	}
		2562
1959	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2563	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1960		2564
1961	Moves the player to the given map-path and coordinates by first freezing	2565	Moves the player to the given map-path and coordinates by first freezing
1962	her, loading and preparing them map, calling the provided $check callback	2566	her, loading and preparing them map, calling the provided $check callback
1963	that has to return the map if sucecssful, and then unfreezes the player on	2567	that has to return the map if sucecssful, and then unfreezes the player on
1964	the new (success) or old (failed) map position.	2568	the new (success) or old (failed) map position. In either case, $done will
		2569	be called at the end of this process.
		2570
		2571	Note that $check will be called with a potentially non-loaded map, so if
		2572	it needs a loaded map it has to call C<< ->load >>.
1965		2573
1966	=cut	2574	=cut
1967		2575
1968	our $GOTOGEN;	2576	our $GOTOGEN;
1969		2577
1970	sub cf::object::player::goto {	2578	sub cf::object::player::goto {
1971	my ($self, $path, $x, $y, $check) = @_;	2579	my ($self, $path, $x, $y, $check, $done) = @_;
1972		2580
1973	# do generation counting so two concurrent goto's will be executed in-order	2581	# do generation counting so two concurrent goto's will be executed in-order
1974	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2582	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1975		2583
1976	$self->enter_link;	2584	$self->enter_link;
1977		2585
1978	(async {	2586	(async {
		2587	$Coro::current->{desc} = "player::goto $path $x $y";
		2588
		2589	# *tag paths override both path and x|y
		2590	if ($path =~ /^\*(.*)$/) {
		2591	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2592	my $ob = $obs[rand @obs];
		2593
		2594	# see if we actually can go there
		2595	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2596	$ob = $obs[rand @obs];
		2597	} else {
		2598	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2599	}
		2600	# else put us there anyways for now #d#
		2601
		2602	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2603	} else {
		2604	($path, $x, $y) = (undef, undef, undef);
		2605	}
		2606	}
		2607
1979	my $map = eval {	2608	my $map = eval {
1980	my $map = cf::map::find $path;	2609	my $map = defined $path ? cf::map::find $path : undef;
1981		2610
1982	if ($map) {	2611	if ($map) {
1983	$map = $map->customise_for ($self);	2612	$map = $map->customise_for ($self);
1984	$map = $check->($map) if $check && $map;	2613	$map = $check->($map) if $check && $map;
1985	} else {	2614	} else {
1986	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2615	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1987	}	2616	}
1988		2617
1989	$map	2618	$map
1990	};	2619	};
1991		2620
…		…
1996		2625
1997	if ($gen == $self->{_goto_generation}) {	2626	if ($gen == $self->{_goto_generation}) {
1998	delete $self->{_goto_generation};	2627	delete $self->{_goto_generation};
1999	$self->leave_link ($map, $x, $y);	2628	$self->leave_link ($map, $x, $y);
2000	}	2629	}
		2630
		2631	$done->() if $done;
2001	})->prio (1);	2632	})->prio (1);
2002	}	2633	}
2003		2634
2004	=item $player_object->enter_exit ($exit_object)	2635	=item $player_object->enter_exit ($exit_object)
2005		2636
…		…
2025	}	2656	}
2026		2657
2027	sub prepare_random_map {	2658	sub prepare_random_map {
2028	my ($exit) = @_;	2659	my ($exit) = @_;
2029		2660
2030	my $guard = cf::lock_acquire "exit_prepare:$exit";
2031
2032	# all this does is basically replace the /! path by	2661	# all this does is basically replace the /! path by
2033	# a new random map path (?random/...) with a seed	2662	# a new random map path (?random/...) with a seed
2034	# that depends on the exit object	2663	# that depends on the exit object
2035		2664
2036	my $rmp = parse_random_map_params $exit->msg;	2665	my $rmp = parse_random_map_params $exit->msg;
…		…
2038	if ($exit->map) {	2667	if ($exit->map) {
2039	$rmp->{region} = $exit->region->name;	2668	$rmp->{region} = $exit->region->name;
2040	$rmp->{origin_map} = $exit->map->path;	2669	$rmp->{origin_map} = $exit->map->path;
2041	$rmp->{origin_x} = $exit->x;	2670	$rmp->{origin_x} = $exit->x;
2042	$rmp->{origin_y} = $exit->y;	2671	$rmp->{origin_y} = $exit->y;
		2672
		2673	$exit->map->touch;
2043	}	2674	}
2044		2675
2045	$rmp->{random_seed} ||= $exit->random_seed;	2676	$rmp->{random_seed} ||= $exit->random_seed;
2046		2677
2047	my $data = cf::to_json $rmp;	2678	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2048	my $md5 = Digest::MD5::md5_hex $data;	2679	my $md5 = Digest::MD5::md5_hex $data;
2049	my $meta = "$RANDOMDIR/$md5.meta";	2680	my $meta = "$RANDOMDIR/$md5.meta";
2050		2681
2051	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2682	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2052	aio_write $fh, 0, (length $data), $data, 0;	2683	aio_write $fh, 0, (length $data), $data, 0;
2053	undef $fh;	2684	undef $fh;
2054	aio_rename "$meta~", $meta;	2685	aio_rename "$meta~", $meta;
2055		2686
		2687	my $slaying = "?random/$md5";
		2688
		2689	if ($exit->valid) {
2056	$exit->slaying ("?random/$md5");	2690	$exit->slaying ("?random/$md5");
2057	$exit->msg (undef);	2691	$exit->msg (undef);
		2692	}
2058	}	2693	}
2059	}	2694	}
2060		2695
2061	sub cf::object::player::enter_exit {	2696	sub cf::object::player::enter_exit {
2062	my ($self, $exit) = @_;	2697	my ($self, $exit) = @_;
2063		2698
2064	return unless $self->type == cf::PLAYER;	2699	return unless $self->type == cf::PLAYER;
2065		2700
2066	if ($exit->slaying eq "/!") {
2067	#TODO: this should de-fi-ni-te-ly not be a sync-job
2068	# the problem is that $exit might not survive long enough
2069	# so it needs to be done right now, right here
2070	cf::sync_job { prepare_random_map $exit };
2071	}
2072
2073	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2074	my $hp = $exit->stats->hp;
2075	my $sp = $exit->stats->sp;
2076
2077	$self->enter_link;	2701	$self->enter_link;
2078		2702
2079	(async {	2703	(async {
2080	$self->deactivate_recursive; # just to be sure	2704	$Coro::current->{desc} = "enter_exit";
		2705
2081	unless (eval {	2706	unless (eval {
		2707	$self->deactivate_recursive; # just to be sure
		2708
		2709	# random map handling
		2710	{
		2711	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2712
		2713	prepare_random_map $exit
		2714	if $exit->slaying eq "/!";
		2715	}
		2716
		2717	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2718	my $x = $exit->stats->hp;
		2719	my $y = $exit->stats->sp;
		2720
2082	$self->goto ($slaying, $hp, $sp);	2721	$self->goto ($map, $x, $y);
2083		2722
		2723	# if exit is damned, update players death & WoR home-position
		2724	$self->contr->savebed ($map, $x, $y)
		2725	if $exit->flag (cf::FLAG_DAMNED);
		2726
2084	1;	2727	1
2085	}) {	2728	}) {
2086	$self->message ("Something went wrong deep within the crossfire server. "	2729	$self->message ("Something went wrong deep within the deliantra server. "
2087	. "I'll try to bring you back to the map you were before. "	2730	. "I'll try to bring you back to the map you were before. "
2088	. "Please report this to the dungeon master!",	2731	. "Please report this to the dungeon master!",
2089	cf::NDI_UNIQUE | cf::NDI_RED);	2732	cf::NDI_UNIQUE | cf::NDI_RED);
2090		2733
2091	warn "ERROR in enter_exit: $@";	2734	warn "ERROR in enter_exit: $@";
…		…
2110		2753
2111	utf8::encode $text;	2754	utf8::encode $text;
2112	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2755	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2113	}	2756	}
2114		2757
		2758	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2759
		2760	Send a drawinfo or msg packet to the client, formatting the msg for the
		2761	client if neccessary. C<$type> should be a string identifying the type of
		2762	the message, with C<log> being the default. If C<$color> is negative, suppress
		2763	the message unless the client supports the msg packet.
		2764
		2765	=cut
		2766
		2767	# non-persistent channels (usually the info channel)
		2768	our %CHANNEL = (
		2769	"c/identify" => {
		2770	id => "infobox",
		2771	title => "Identify",
		2772	reply => undef,
		2773	tooltip => "Items recently identified",
		2774	},
		2775	"c/examine" => {
		2776	id => "infobox",
		2777	title => "Examine",
		2778	reply => undef,
		2779	tooltip => "Signs and other items you examined",
		2780	},
		2781	"c/book" => {
		2782	id => "infobox",
		2783	title => "Book",
		2784	reply => undef,
		2785	tooltip => "The contents of a note or book",
		2786	},
		2787	"c/lookat" => {
		2788	id => "infobox",
		2789	title => "Look",
		2790	reply => undef,
		2791	tooltip => "What you saw there",
		2792	},
		2793	"c/who" => {
		2794	id => "infobox",
		2795	title => "Players",
		2796	reply => undef,
		2797	tooltip => "Shows players who are currently online",
		2798	},
		2799	"c/body" => {
		2800	id => "infobox",
		2801	title => "Body Parts",
		2802	reply => undef,
		2803	tooltip => "Shows which body parts you posess and are available",
		2804	},
		2805	"c/statistics" => {
		2806	id => "infobox",
		2807	title => "Statistics",
		2808	reply => undef,
		2809	tooltip => "Shows your primary statistics",
		2810	},
		2811	"c/skills" => {
		2812	id => "infobox",
		2813	title => "Skills",
		2814	reply => undef,
		2815	tooltip => "Shows your experience per skill and item power",
		2816	},
		2817	"c/shopitems" => {
		2818	id => "infobox",
		2819	title => "Shop Items",
		2820	reply => undef,
		2821	tooltip => "Shows the items currently for sale in this shop",
		2822	},
		2823	"c/resistances" => {
		2824	id => "infobox",
		2825	title => "Resistances",
		2826	reply => undef,
		2827	tooltip => "Shows your resistances",
		2828	},
		2829	"c/pets" => {
		2830	id => "infobox",
		2831	title => "Pets",
		2832	reply => undef,
		2833	tooltip => "Shows information abotu your pets/a specific pet",
		2834	},
		2835	"c/perceiveself" => {
		2836	id => "infobox",
		2837	title => "Perceive Self",
		2838	reply => undef,
		2839	tooltip => "You gained detailed knowledge about yourself",
		2840	},
		2841	"c/uptime" => {
		2842	id => "infobox",
		2843	title => "Uptime",
		2844	reply => undef,
		2845	tooltip => "How long the server has been running since last restart",
		2846	},
		2847	"c/mapinfo" => {
		2848	id => "infobox",
		2849	title => "Map Info",
		2850	reply => undef,
		2851	tooltip => "Information related to the maps",
		2852	},
		2853	"c/party" => {
		2854	id => "party",
		2855	title => "Party",
		2856	reply => "gsay ",
		2857	tooltip => "Messages and chat related to your party",
		2858	},
		2859	"c/death" => {
		2860	id => "death",
		2861	title => "Death",
		2862	reply => undef,
		2863	tooltip => "Reason for and more info about your most recent death",
		2864	},
		2865	"c/say" => $SAY_CHANNEL,
		2866	"c/chat" => $CHAT_CHANNEL,
		2867	);
		2868
		2869	sub cf::client::send_msg {
		2870	my ($self, $channel, $msg, $color, @extra) = @_;
		2871
		2872	$msg = $self->pl->expand_cfpod ($msg)
		2873	unless $color & cf::NDI_VERBATIM;
		2874
		2875	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2876
		2877	# check predefined channels, for the benefit of C
		2878	if ($CHANNEL{$channel}) {
		2879	$channel = $CHANNEL{$channel};
		2880
		2881	$self->ext_msg (channel_info => $channel);
		2882	$channel = $channel->{id};
		2883
		2884	} elsif (ref $channel) {
		2885	# send meta info to client, if not yet sent
		2886	unless (exists $self->{channel}{$channel->{id}}) {
		2887	$self->{channel}{$channel->{id}} = $channel;
		2888	$self->ext_msg (channel_info => $channel);
		2889	}
		2890
		2891	$channel = $channel->{id};
		2892	}
		2893
		2894	return unless @extra || length $msg;
		2895
		2896	# default colour, mask it out
		2897	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2898	if $color & cf::NDI_DEF;
		2899
		2900	my $pkt = "msg "
		2901	. $self->{json_coder}->encode (
		2902	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2903	);
		2904
		2905	# try lzf for large packets
		2906	$pkt = "lzf " . Compress::LZF::compress $pkt
		2907	if 1024 <= length $pkt and $self->{can_lzf};
		2908
		2909	# split very large packets
		2910	if (8192 < length $pkt and $self->{can_lzf}) {
		2911	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2912	$pkt = "frag";
		2913	}
		2914
		2915	$self->send_packet ($pkt);
		2916	}
		2917
2115	=item $client->ext_event ($type, %msg)	2918	=item $client->ext_msg ($type, @msg)
2116		2919
2117	Sends an exti event to the client.	2920	Sends an ext event to the client.
2118		2921
2119	=cut	2922	=cut
2120		2923
2121	sub cf::client::ext_event($$%) {	2924	sub cf::client::ext_msg($$@) {
2122	my ($self, $type, %msg) = @_;	2925	my ($self, $type, @msg) = @_;
2123		2926
		2927	if ($self->extcmd == 2) {
		2928	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2929	} elsif ($self->extcmd == 1) { # TODO: remove
2124	$msg{msgtype} = "event_$type";	2930	push @msg, msgtype => "event_$type";
2125	$self->send_packet ("ext " . cf::to_json \%msg);	2931	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2932	}
		2933	}
		2934
		2935	=item $client->ext_reply ($msgid, @msg)
		2936
		2937	Sends an ext reply to the client.
		2938
		2939	=cut
		2940
		2941	sub cf::client::ext_reply($$@) {
		2942	my ($self, $id, @msg) = @_;
		2943
		2944	if ($self->extcmd == 2) {
		2945	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2946	} elsif ($self->extcmd == 1) {
		2947	#TODO: version 1, remove
		2948	unshift @msg, msgtype => "reply", msgid => $id;
		2949	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2950	}
2126	}	2951	}
2127		2952
2128	=item $success = $client->query ($flags, "text", \&cb)	2953	=item $success = $client->query ($flags, "text", \&cb)
2129		2954
2130	Queues a query to the client, calling the given callback with	2955	Queues a query to the client, calling the given callback with
2131	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2956	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2132	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2957	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2133		2958
2134	Queries can fail, so check the return code. Or don't, as queries will become	2959	Queries can fail, so check the return code. Or don't, as queries will
2135	reliable at some point in the future.	2960	become reliable at some point in the future.
2136		2961
2137	=cut	2962	=cut
2138		2963
2139	sub cf::client::query {	2964	sub cf::client::query {
2140	my ($self, $flags, $text, $cb) = @_;	2965	my ($self, $flags, $text, $cb) = @_;
…		…
2148	utf8::encode $text;	2973	utf8::encode $text;
2149	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2974	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2150		2975
2151	$self->send_packet ($self->{query_queue}[0][0])	2976	$self->send_packet ($self->{query_queue}[0][0])
2152	if @{ $self->{query_queue} } == 1;	2977	if @{ $self->{query_queue} } == 1;
		2978
		2979	1
2153	}	2980	}
2154		2981
2155	cf::client->attach (	2982	cf::client->attach (
		2983	on_connect => sub {
		2984	my ($ns) = @_;
		2985
		2986	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2987	},
2156	on_reply => sub {	2988	on_reply => sub {
2157	my ($ns, $msg) = @_;	2989	my ($ns, $msg) = @_;
2158		2990
2159	# this weird shuffling is so that direct followup queries	2991	# this weird shuffling is so that direct followup queries
2160	# get handled first	2992	# get handled first
…		…
2172	} else {	3004	} else {
2173	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3005	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2174	}	3006	}
2175	}	3007	}
2176	},	3008	},
		3009	on_exticmd => sub {
		3010	my ($ns, $buf) = @_;
		3011
		3012	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3013
		3014	if (ref $msg) {
		3015	my ($type, $reply, @payload) =
		3016	"ARRAY" eq ref $msg
		3017	? @$msg
		3018	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3019
		3020	my @reply;
		3021
		3022	if (my $cb = $EXTICMD{$type}) {
		3023	@reply = $cb->($ns, @payload);
		3024	}
		3025
		3026	$ns->ext_reply ($reply, @reply)
		3027	if $reply;
		3028
		3029	} else {
		3030	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3031	}
		3032
		3033	cf::override;
		3034	},
2177	);	3035	);
2178		3036
2179	=item $client->async (\&cb)	3037	=item $client->async (\&cb)
2180		3038
2181	Create a new coroutine, running the specified callback. The coroutine will	3039	Create a new coroutine, running the specified callback. The coroutine will
…		…
2222	our $safe = new Safe "safe";	3080	our $safe = new Safe "safe";
2223	our $safe_hole = new Safe::Hole;	3081	our $safe_hole = new Safe::Hole;
2224		3082
2225	$SIG{FPE} = 'IGNORE';	3083	$SIG{FPE} = 'IGNORE';
2226		3084
2227	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3085	$safe->permit_only (Opcode::opset qw(
		3086	:base_core :base_mem :base_orig :base_math
		3087	grepstart grepwhile mapstart mapwhile
		3088	sort time
		3089	));
2228		3090
2229	# here we export the classes and methods available to script code	3091	# here we export the classes and methods available to script code
2230		3092
2231	=pod	3093	=pod
2232		3094
2233	The following functions and methods are available within a safe environment:	3095	The following functions and methods are available within a safe environment:
2234		3096
2235	cf::object contr pay_amount pay_player map	3097	cf::object
		3098	contr pay_amount pay_player map x y force_find force_add destroy
		3099	insert remove name archname title slaying race decrease split
		3100	value
		3101
2236	cf::object::player player	3102	cf::object::player
2237	cf::player peaceful	3103	player
2238	cf::map trigger	3104
		3105	cf::player
		3106	peaceful
		3107
		3108	cf::map
		3109	trigger
2239		3110
2240	=cut	3111	=cut
2241		3112
2242	for (	3113	for (
2243	["cf::object" => qw(contr pay_amount pay_player map)],	3114	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3115	insert remove inv nrof name archname title slaying race
		3116	decrease split destroy change_exp value msg lore send_msg)],
2244	["cf::object::player" => qw(player)],	3117	["cf::object::player" => qw(player)],
2245	["cf::player" => qw(peaceful)],	3118	["cf::player" => qw(peaceful send_msg)],
2246	["cf::map" => qw(trigger)],	3119	["cf::map" => qw(trigger)],
2247	) {	3120	) {
2248	no strict 'refs';	3121	no strict 'refs';
2249	my ($pkg, @funs) = @$_;	3122	my ($pkg, @funs) = @$_;
2250	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3123	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2267	my ($code, %vars) = @_;	3140	my ($code, %vars) = @_;
2268		3141
2269	my $qcode = $code;	3142	my $qcode = $code;
2270	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3143	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2271	$qcode =~ s/\n/\\n/g;	3144	$qcode =~ s/\n/\\n/g;
		3145
		3146	%vars = (_dummy => 0) unless %vars;
2272		3147
2273	local $_;	3148	local $_;
2274	local @safe::cf::_safe_eval_args = values %vars;	3149	local @safe::cf::_safe_eval_args = values %vars;
2275		3150
2276	my $eval =	3151	my $eval =
…		…
2319	=back	3194	=back
2320		3195
2321	=cut	3196	=cut
2322		3197
2323	#############################################################################	3198	#############################################################################
2324
2325	=head2 EXTENSION DATABASE SUPPORT
2326
2327	Crossfire maintains a very simple database for extension use. It can
2328	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2329	convert to/from binary).
2330
2331	The parameter C<$family> should best start with the name of the extension
2332	using it, it should be unique.
2333
2334	=over 4
2335
2336	=item $value = cf::db_get $family => $key
2337
2338	Returns a single value from the database.
2339
2340	=item cf::db_put $family => $key => $value
2341
2342	Stores the given C<$value> in the family.
2343
2344	=cut
2345
2346	our $DB;
2347
2348	sub db_init {
2349	unless ($DB) {
2350	$DB = BDB::db_create $DB_ENV;
2351
2352	cf::sync_job {
2353	eval {
2354	$DB->set_flags (BDB::CHKSUM);
2355
2356	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2357	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2358	cf::cleanup "db_open(db): $!" if $!;
2359	};
2360	cf::cleanup "db_open(db): $@" if $@;
2361	};
2362	}
2363	}
2364
2365	sub db_get($$) {
2366	my $key = "$_[0]/$_[1]";
2367
2368	cf::sync_job {
2369	BDB::db_get $DB, undef, $key, my $data;
2370
2371	$! ? ()
2372	: $data
2373	}
2374	}
2375
2376	sub db_put($$$) {
2377	BDB::dbreq_pri 4;
2378	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2379	}
2380
2381	=item cf::cache $id => [$paths...], $processversion => $process
2382
2383	Generic caching function that returns the value of the resource $id,
2384	caching and regenerating as required.
2385
2386	This function can block.
2387
2388	=cut
2389
2390	sub cache {
2391	my ($id, $src, $processversion, $process) = @_;
2392
2393	my $meta =
2394	join "\x00",
2395	$processversion,
2396	map {
2397	aio_stat $_
2398	and Carp::croak "$_: $!";
2399
2400	($_, (stat _)[7,9])
2401	} @$src;
2402
2403	my $dbmeta = db_get cache => "$id/meta";
2404	if ($dbmeta ne $meta) {
2405	# changed, we may need to process
2406
2407	my @data;
2408	my $md5;
2409
2410	for (0 .. $#$src) {
2411	0 <= aio_load $src->[$_], $data[$_]
2412	or Carp::croak "$src->[$_]: $!";
2413	}
2414
2415	# if processing is expensive, check
2416	# checksum first
2417	if (1) {
2418	$md5 =
2419	join "\x00",
2420	$processversion,
2421	map {
2422	Coro::cede;
2423	($src->[$_], Digest::MD5::md5_hex $data[$_])
2424	} 0.. $#$src;
2425
2426
2427	my $dbmd5 = db_get cache => "$id/md5";
2428	if ($dbmd5 eq $md5) {
2429	db_put cache => "$id/meta", $meta;
2430
2431	return db_get cache => "$id/data";
2432	}
2433	}
2434
2435	my $t1 = Time::HiRes::time;
2436	my $data = $process->(\@data);
2437	my $t2 = Time::HiRes::time;
2438
2439	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2440
2441	db_put cache => "$id/data", $data;
2442	db_put cache => "$id/md5" , $md5;
2443	db_put cache => "$id/meta", $meta;
2444
2445	return $data;
2446	}
2447
2448	db_get cache => "$id/data"
2449	}
2450
2451	=item fork_call { }, $args
2452
2453	Executes the given code block with the given arguments in a seperate
2454	process, returning the results. Everything must be serialisable with
2455	Coro::Storable. May, of course, block. Note that the executed sub may
2456	never block itself or use any form of Event handling.
2457
2458	=cut
2459
2460	sub fork_call(&@) {
2461	my ($cb, @args) = @_;
2462
2463	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2464	# or die "socketpair: $!";
2465	pipe my $fh1, my $fh2
2466	or die "pipe: $!";
2467
2468	if (my $pid = fork) {
2469	close $fh2;
2470
2471	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2472	$res = Coro::Storable::thaw $res;
2473
2474	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2475
2476	die $$res unless "ARRAY" eq ref $res;
2477
2478	return wantarray ? @$res : $res->[-1];
2479	} else {
2480	reset_signals;
2481	local $SIG{__WARN__};
2482	local $SIG{__DIE__};
2483	eval {
2484	close $fh1;
2485
2486	my @res = eval { $cb->(@args) };
2487	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2488	};
2489
2490	warn $@ if $@;
2491	_exit 0;
2492	}
2493	}
2494
2495	#############################################################################
2496	# the server's init and main functions	3199	# the server's init and main functions
2497		3200
2498	sub load_facedata($) {	3201	sub load_facedata($) {
2499	my ($path) = @_;	3202	my ($path) = @_;
		3203
		3204	# HACK to clear player env face cache, we need some signal framework
		3205	# for this (global event?)
		3206	%ext::player_env::MUSIC_FACE_CACHE = ();
		3207
		3208	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2500		3209
2501	warn "loading facedata from $path\n";	3210	warn "loading facedata from $path\n";
2502		3211
2503	my $facedata;	3212	my $facedata;
2504	0 < aio_load $path, $facedata	3213	0 < aio_load $path, $facedata
…		…
2507	$facedata = Coro::Storable::thaw $facedata;	3216	$facedata = Coro::Storable::thaw $facedata;
2508		3217
2509	$facedata->{version} == 2	3218	$facedata->{version} == 2
2510	or cf::cleanup "$path: version mismatch, cannot proceed.";	3219	or cf::cleanup "$path: version mismatch, cannot proceed.";
2511		3220
		3221	# patch in the exptable
		3222	$facedata->{resource}{"res/exp_table"} = {
		3223	type => FT_RSRC,
		3224	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3225	};
		3226	cf::cede_to_tick;
		3227
2512	{	3228	{
2513	my $faces = $facedata->{faceinfo};	3229	my $faces = $facedata->{faceinfo};
2514		3230
2515	while (my ($face, $info) = each %$faces) {	3231	while (my ($face, $info) = each %$faces) {
2516	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3232	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3233
2517	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3234	cf::face::set_visibility $idx, $info->{visibility};
		3235	cf::face::set_magicmap $idx, $info->{magicmap};
2518	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3236	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2519	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3237	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2520	Coro::cede;	3238
		3239	cf::cede_to_tick;
2521	}	3240	}
2522		3241
2523	while (my ($face, $info) = each %$faces) {	3242	while (my ($face, $info) = each %$faces) {
2524	next unless $info->{smooth};	3243	next unless $info->{smooth};
		3244
2525	my $idx = cf::face::find $face	3245	my $idx = cf::face::find $face
2526	or next;	3246	or next;
		3247
2527	if (my $smooth = cf::face::find $info->{smooth}) {	3248	if (my $smooth = cf::face::find $info->{smooth}) {
		3249	cf::face::set_smooth $idx, $smooth;
2528	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3250	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2529	} else {	3251	} else {
2530	warn "smooth face '$info->{smooth}' not found for face '$face'";	3252	warn "smooth face '$info->{smooth}' not found for face '$face'";
2531	}	3253	}
2532	Coro::cede;	3254
		3255	cf::cede_to_tick;
2533	}	3256	}
2534	}	3257	}
2535		3258
2536	{	3259	{
2537	my $anims = $facedata->{animinfo};	3260	my $anims = $facedata->{animinfo};
2538		3261
2539	while (my ($anim, $info) = each %$anims) {	3262	while (my ($anim, $info) = each %$anims) {
2540	cf::anim::set $anim, $info->{frames}, $info->{facings};	3263	cf::anim::set $anim, $info->{frames}, $info->{facings};
2541	Coro::cede;	3264	cf::cede_to_tick;
2542	}	3265	}
2543		3266
2544	cf::anim::invalidate_all; # d'oh	3267	cf::anim::invalidate_all; # d'oh
2545	}	3268	}
2546		3269
		3270	{
		3271	# TODO: for gcfclient pleasure, we should give resources
		3272	# that gcfclient doesn't grok a >10000 face index.
		3273	my $res = $facedata->{resource};
		3274
		3275	while (my ($name, $info) = each %$res) {
		3276	if (defined $info->{type}) {
		3277	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3278	my $data;
		3279
		3280	if ($info->{type} & 1) {
		3281	# prepend meta info
		3282
		3283	my $meta = $enc->encode ({
		3284	name => $name,
		3285	%{ $info->{meta} || {} },
		3286	});
		3287
		3288	$data = pack "(w/a*)*", $meta, $info->{data};
		3289	} else {
		3290	$data = $info->{data};
		3291	}
		3292
		3293	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3294	cf::face::set_type $idx, $info->{type};
		3295	} else {
		3296	$RESOURCE{$name} = $info;
		3297	}
		3298
		3299	cf::cede_to_tick;
		3300	}
		3301	}
		3302
		3303	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3304
2547	1	3305	1
2548	}	3306	}
2549		3307
		3308	cf::global->attach (on_resource_update => sub {
		3309	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3310	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3311
		3312	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3313	my $sound = $soundconf->{compat}[$_]
		3314	or next;
		3315
		3316	my $face = cf::face::find "sound/$sound->[1]";
		3317	cf::sound::set $sound->[0] => $face;
		3318	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3319	}
		3320
		3321	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3322	my $face = cf::face::find "sound/$v";
		3323	cf::sound::set $k => $face;
		3324	}
		3325	}
		3326	});
		3327
		3328	register_exticmd fx_want => sub {
		3329	my ($ns, $want) = @_;
		3330
		3331	while (my ($k, $v) = each %$want) {
		3332	$ns->fx_want ($k, $v);
		3333	}
		3334	};
		3335
		3336	sub load_resource_file($) {
		3337	my $guard = lock_acquire "load_resource_file";
		3338
		3339	my $status = load_resource_file_ $_[0];
		3340	get_slot 0.1, 100;
		3341	cf::arch::commit_load;
		3342
		3343	$status
		3344	}
		3345
2550	sub reload_regions {	3346	sub reload_regions {
		3347	# HACK to clear player env face cache, we need some signal framework
		3348	# for this (global event?)
		3349	%ext::player_env::MUSIC_FACE_CACHE = ();
		3350
2551	load_resource_file "$MAPDIR/regions"	3351	load_resource_file "$MAPDIR/regions"
2552	or die "unable to load regions file\n";	3352	or die "unable to load regions file\n";
		3353
		3354	for (cf::region::list) {
		3355	$_->{match} = qr/$_->{match}/
		3356	if exists $_->{match};
		3357	}
2553	}	3358	}
2554		3359
2555	sub reload_facedata {	3360	sub reload_facedata {
2556	load_facedata "$DATADIR/facedata"	3361	load_facedata "$DATADIR/facedata"
2557	or die "unable to load facedata\n";	3362	or die "unable to load facedata\n";
…		…
2568	}	3373	}
2569		3374
2570	sub reload_resources {	3375	sub reload_resources {
2571	warn "reloading resource files...\n";	3376	warn "reloading resource files...\n";
2572		3377
		3378	reload_facedata;
		3379	reload_archetypes;
2573	reload_regions;	3380	reload_regions;
2574	reload_facedata;
2575	#reload_archetypes;#d#
2576	reload_archetypes;
2577	reload_treasures;	3381	reload_treasures;
2578		3382
2579	warn "finished reloading resource files\n";	3383	warn "finished reloading resource files\n";
2580	}	3384	}
2581		3385
2582	sub init {	3386	sub reload_config {
2583	reload_resources;
2584	}
2585
2586	sub cfg_load {
2587	open my $fh, "<:utf8", "$CONFDIR/config"	3387	open my $fh, "<:utf8", "$CONFDIR/config"
2588	or return;	3388	or return;
2589		3389
2590	local $/;	3390	local $/;
2591	*CFG = YAML::Syck::Load <$fh>;	3391	*CFG = YAML::Load <$fh>;
2592		3392
2593	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3393	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2594		3394
2595	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3395	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2596	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3396	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2602	};	3402	};
2603	warn $@ if $@;	3403	warn $@ if $@;
2604	}	3404	}
2605	}	3405	}
2606		3406
		3407	sub pidfile() {
		3408	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3409	or die "$PIDFILE: $!";
		3410	flock $fh, &Fcntl::LOCK_EX
		3411	or die "$PIDFILE: flock: $!";
		3412	$fh
		3413	}
		3414
		3415	# make sure only one server instance is running at any one time
		3416	sub atomic {
		3417	my $fh = pidfile;
		3418
		3419	my $pid = <$fh>;
		3420	kill 9, $pid if $pid > 0;
		3421
		3422	seek $fh, 0, 0;
		3423	print $fh $$;
		3424	}
		3425
		3426	sub main_loop {
		3427	warn "EV::loop starting\n";
		3428	if (1) {
		3429	EV::loop;
		3430	}
		3431	warn "EV::loop returned\n";
		3432	goto &main_loop unless $REALLY_UNLOOP;
		3433	}
		3434
2607	sub main {	3435	sub main {
		3436	cf::init_globals; # initialise logging
		3437
		3438	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3439	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3440	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3441	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3442
		3443	cf::init_experience;
		3444	cf::init_anim;
		3445	cf::init_attackmess;
		3446	cf::init_dynamic;
		3447
		3448	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3449
2608	# we must not ever block the main coroutine	3450	# we must not ever block the main coroutine
2609	local $Coro::idle = sub {	3451	local $Coro::idle = sub {
2610	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3452	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2611	(async {	3453	(async {
2612	Event::one_event;	3454	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3455	EV::loop EV::LOOP_ONESHOT;
2613	})->prio (Coro::PRIO_MAX);	3456	})->prio (Coro::PRIO_MAX);
2614	};	3457	};
2615		3458
2616	cfg_load;	3459	evthread_start IO::AIO::poll_fileno;
		3460
		3461	cf::sync_job {
		3462	reload_resources;
		3463	reload_config;
2617	db_init;	3464	db_init;
		3465
		3466	cf::load_settings;
		3467	cf::load_materials;
		3468	cf::init_uuid;
		3469	cf::init_signals;
		3470	cf::init_commands;
		3471	cf::init_skills;
		3472
		3473	cf::init_beforeplay;
		3474
		3475	atomic;
		3476
2618	load_extensions;	3477	load_extensions;
2619		3478
2620	$TICK_WATCHER->start;	3479	utime time, time, $RUNTIMEFILE;
2621	Event::loop;	3480
		3481	# no (long-running) fork's whatsoever before this point(!)
		3482	use POSIX ();
		3483	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3484
		3485	(pop @POST_INIT)->(0) while @POST_INIT;
		3486	};
		3487
		3488	main_loop;
2622	}	3489	}
2623		3490
2624	#############################################################################	3491	#############################################################################
2625	# initialisation and cleanup	3492	# initialisation and cleanup
2626		3493
2627	# install some emergency cleanup handlers	3494	# install some emergency cleanup handlers
2628	BEGIN {	3495	BEGIN {
		3496	our %SIGWATCHER = ();
2629	for my $signal (qw(INT HUP TERM)) {	3497	for my $signal (qw(INT HUP TERM)) {
2630	Event->signal (	3498	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2631	reentrant => 0,
2632	data => WF_AUTOCANCEL,
2633	signal => $signal,
2634	prio => 0,
2635	cb => sub {
2636	cf::cleanup "SIG$signal";	3499	cf::cleanup "SIG$signal";
2637	},
2638	);	3500	};
		3501	}
		3502	}
		3503
		3504	sub write_runtime_sync {
		3505	# first touch the runtime file to show we are still running:
		3506	# the fsync below can take a very very long time.
		3507
		3508	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3509
		3510	my $guard = cf::lock_acquire "write_runtime";
		3511
		3512	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3513	or return;
		3514
		3515	my $value = $cf::RUNTIME + 90 + 10;
		3516	# 10 is the runtime save interval, for a monotonic clock
		3517	# 60 allows for the watchdog to kill the server.
		3518
		3519	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3520	and return;
		3521
		3522	# always fsync - this file is important
		3523	aio_fsync $fh
		3524	and return;
		3525
		3526	# touch it again to show we are up-to-date
		3527	aio_utime $fh, undef, undef;
		3528
		3529	close $fh
		3530	or return;
		3531
		3532	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3533	and return;
		3534
		3535	warn "runtime file written.\n";
		3536
2639	}	3537	1
		3538	}
		3539
		3540	our $uuid_lock;
		3541	our $uuid_skip;
		3542
		3543	sub write_uuid_sync($) {
		3544	$uuid_skip ||= $_[0];
		3545
		3546	return if $uuid_lock;
		3547	local $uuid_lock = 1;
		3548
		3549	my $uuid = "$LOCALDIR/uuid";
		3550
		3551	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3552	or return;
		3553
		3554	my $value = uuid_seq uuid_cur;
		3555
		3556	unless ($value) {
		3557	warn "cowardly refusing to write zero uuid value!\n";
		3558	return;
		3559	}
		3560
		3561	my $value = uuid_str $value + $uuid_skip;
		3562	$uuid_skip = 0;
		3563
		3564	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3565	and return;
		3566
		3567	# always fsync - this file is important
		3568	aio_fsync $fh
		3569	and return;
		3570
		3571	close $fh
		3572	or return;
		3573
		3574	aio_rename "$uuid~", $uuid
		3575	and return;
		3576
		3577	warn "uuid file written ($value).\n";
		3578
		3579	1
		3580
		3581	}
		3582
		3583	sub write_uuid($$) {
		3584	my ($skip, $sync) = @_;
		3585
		3586	$sync ? write_uuid_sync $skip
		3587	: async { write_uuid_sync $skip };
2640	}	3588	}
2641		3589
2642	sub emergency_save() {	3590	sub emergency_save() {
2643	my $freeze_guard = cf::freeze_mainloop;	3591	my $freeze_guard = cf::freeze_mainloop;
2644		3592
2645	warn "enter emergency perl save\n";	3593	warn "emergency_perl_save: enter\n";
2646		3594
2647	cf::sync_job {	3595	cf::sync_job {
		3596	# this is a trade-off: we want to be very quick here, so
		3597	# save all maps without fsync, and later call a global sync
		3598	# (which in turn might be very very slow)
		3599	local $USE_FSYNC = 0;
		3600
2648	# use a peculiar iteration method to avoid tripping on perl	3601	# use a peculiar iteration method to avoid tripping on perl
2649	# refcount bugs in for. also avoids problems with players	3602	# refcount bugs in for. also avoids problems with players
2650	# and maps saved/destroyed asynchronously.	3603	# and maps saved/destroyed asynchronously.
2651	warn "begin emergency player save\n";	3604	warn "emergency_perl_save: begin player save\n";
2652	for my $login (keys %cf::PLAYER) {	3605	for my $login (keys %cf::PLAYER) {
2653	my $pl = $cf::PLAYER{$login} or next;	3606	my $pl = $cf::PLAYER{$login} or next;
2654	$pl->valid or next;	3607	$pl->valid or next;
		3608	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2655	$pl->save;	3609	$pl->save;
2656	}	3610	}
2657	warn "end emergency player save\n";	3611	warn "emergency_perl_save: end player save\n";
2658		3612
2659	warn "begin emergency map save\n";	3613	warn "emergency_perl_save: begin map save\n";
2660	for my $path (keys %cf::MAP) {	3614	for my $path (keys %cf::MAP) {
2661	my $map = $cf::MAP{$path} or next;	3615	my $map = $cf::MAP{$path} or next;
2662	$map->valid or next;	3616	$map->valid or next;
2663	$map->save;	3617	$map->save;
2664	}	3618	}
2665	warn "end emergency map save\n";	3619	warn "emergency_perl_save: end map save\n";
2666		3620
2667	warn "begin emergency database checkpoint\n";	3621	warn "emergency_perl_save: begin database checkpoint\n";
2668	BDB::db_env_txn_checkpoint $DB_ENV;	3622	BDB::db_env_txn_checkpoint $DB_ENV;
2669	warn "end emergency database checkpoint\n";	3623	warn "emergency_perl_save: end database checkpoint\n";
		3624
		3625	warn "emergency_perl_save: begin write uuid\n";
		3626	write_uuid_sync 1;
		3627	warn "emergency_perl_save: end write uuid\n";
2670	};	3628	};
2671		3629
		3630	warn "emergency_perl_save: starting sync()\n";
		3631	IO::AIO::aio_sync sub {
		3632	warn "emergency_perl_save: finished sync()\n";
		3633	};
		3634
2672	warn "leave emergency perl save\n";	3635	warn "emergency_perl_save: leave\n";
2673	}	3636	}
2674		3637
2675	sub post_cleanup {	3638	sub post_cleanup {
2676	my ($make_core) = @_;	3639	my ($make_core) = @_;
2677		3640
2678	warn Carp::longmess "post_cleanup backtrace"	3641	warn Carp::longmess "post_cleanup backtrace"
2679	if $make_core;	3642	if $make_core;
		3643
		3644	my $fh = pidfile;
		3645	unlink $PIDFILE if <$fh> == $$;
		3646	}
		3647
		3648	# a safer delete_package, copied from Symbol
		3649	sub clear_package($) {
		3650	my $pkg = shift;
		3651
		3652	# expand to full symbol table name if needed
		3653	unless ($pkg =~ /^main::.*::$/) {
		3654	$pkg = "main$pkg" if $pkg =~ /^::/;
		3655	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3656	$pkg .= '::' unless $pkg =~ /::$/;
		3657	}
		3658
		3659	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3660	my $stem_symtab = *{$stem}{HASH};
		3661
		3662	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3663	or return;
		3664
		3665	# clear all symbols
		3666	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3667	for my $name (keys %$leaf_symtab) {
		3668	_gv_clear *{"$pkg$name"};
		3669	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3670	}
		3671	warn "cleared package $pkg\n";#d#
2680	}	3672	}
2681		3673
2682	sub do_reload_perl() {	3674	sub do_reload_perl() {
2683	# can/must only be called in main	3675	# can/must only be called in main
2684	if ($Coro::current != $Coro::main) {	3676	if ($Coro::current != $Coro::main) {
2685	warn "can only reload from main coroutine";	3677	warn "can only reload from main coroutine";
2686	return;	3678	return;
2687	}	3679	}
2688		3680
		3681	return if $RELOAD++;
		3682
		3683	my $t1 = EV::time;
		3684
		3685	while ($RELOAD) {
2689	warn "reloading...";	3686	warn "reloading...";
2690		3687
2691	warn "entering sync_job";	3688	warn "entering sync_job";
2692		3689
2693	cf::sync_job {	3690	cf::sync_job {
2694	cf::write_runtime; # external watchdog should not bark	3691	cf::write_runtime_sync; # external watchdog should not bark
2695	cf::emergency_save;	3692	cf::emergency_save;
2696	cf::write_runtime; # external watchdog should not bark	3693	cf::write_runtime_sync; # external watchdog should not bark
2697		3694
2698	warn "syncing database to disk";	3695	warn "syncing database to disk";
2699	BDB::db_env_txn_checkpoint $DB_ENV;	3696	BDB::db_env_txn_checkpoint $DB_ENV;
2700		3697
2701	# if anything goes wrong in here, we should simply crash as we already saved	3698	# if anything goes wrong in here, we should simply crash as we already saved
2702		3699
2703	warn "cancelling all WF_AUTOCANCEL watchers";
2704	for (Event::all_watchers) {
2705	$_->cancel if $_->data & WF_AUTOCANCEL;
2706	}
2707
2708	warn "flushing outstanding aio requests";	3700	warn "flushing outstanding aio requests";
2709	for (;;) {
2710	BDB::flush;
2711	IO::AIO::flush;
2712	Coro::cede;
2713	last unless IO::AIO::nreqs || BDB::nreqs;	3701	while (IO::AIO::nreqs || BDB::nreqs) {
2714	warn "iterate...";	3702	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2715	}
2716
2717	++$RELOAD;
2718
2719	warn "cancelling all extension coros";
2720	$_->cancel for values %EXT_CORO;
2721	%EXT_CORO = ();
2722
2723	warn "removing commands";
2724	%COMMAND = ();
2725
2726	warn "removing ext commands";
2727	%EXTCMD = ();
2728
2729	warn "unloading/nuking all extensions";
2730	for my $pkg (@EXTS) {
2731	warn "... unloading $pkg";
2732
2733	if (my $cb = $pkg->can ("unload")) {
2734	eval {
2735	$cb->($pkg);
2736	1
2737	} or warn "$pkg unloaded, but with errors: $@";
2738	}	3703	}
2739		3704
2740	warn "... nuking $pkg";	3705	warn "cancelling all extension coros";
2741	Symbol::delete_package $pkg;	3706	$_->cancel for values %EXT_CORO;
2742	}	3707	%EXT_CORO = ();
2743		3708
2744	warn "unloading all perl modules loaded from $LIBDIR";	3709	warn "removing commands";
2745	while (my ($k, $v) = each %INC) {	3710	%COMMAND = ();
2746	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2747		3711
		3712	warn "removing ext/exti commands";
		3713	%EXTCMD = ();
		3714	%EXTICMD = ();
		3715
		3716	warn "unloading/nuking all extensions";
		3717	for my $pkg (@EXTS) {
2748	warn "... unloading $k";	3718	warn "... unloading $pkg";
2749	delete $INC{$k};
2750		3719
2751	$k =~ s/\.pm$//;
2752	$k =~ s/\//::/g;
2753
2754	if (my $cb = $k->can ("unload_module")) {	3720	if (my $cb = $pkg->can ("unload")) {
		3721	eval {
2755	$cb->();	3722	$cb->($pkg);
		3723	1
		3724	} or warn "$pkg unloaded, but with errors: $@";
		3725	}
		3726
		3727	warn "... clearing $pkg";
		3728	clear_package $pkg;
2756	}	3729	}
2757		3730
2758	Symbol::delete_package $k;	3731	warn "unloading all perl modules loaded from $LIBDIR";
		3732	while (my ($k, $v) = each %INC) {
		3733	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3734
		3735	warn "... unloading $k";
		3736	delete $INC{$k};
		3737
		3738	$k =~ s/\.pm$//;
		3739	$k =~ s/\//::/g;
		3740
		3741	if (my $cb = $k->can ("unload_module")) {
		3742	$cb->();
		3743	}
		3744
		3745	clear_package $k;
2759	}	3746	}
2760		3747
2761	warn "getting rid of safe::, as good as possible";	3748	warn "getting rid of safe::, as good as possible";
2762	Symbol::delete_package "safe::$_"	3749	clear_package "safe::$_"
2763	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3750	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2764		3751
2765	warn "unloading cf.pm \"a bit\"";	3752	warn "unloading cf.pm \"a bit\"";
2766	delete $INC{"cf.pm"};	3753	delete $INC{"cf.pm"};
2767	delete $INC{"cf/pod.pm"};	3754	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2768		3755
2769	# don't, removes xs symbols, too,	3756	# don't, removes xs symbols, too,
2770	# and global variables created in xs	3757	# and global variables created in xs
2771	#Symbol::delete_package __PACKAGE__;	3758	#clear_package __PACKAGE__;
2772		3759
2773	warn "unload completed, starting to reload now";	3760	warn "unload completed, starting to reload now";
2774		3761
2775	warn "reloading cf.pm";	3762	warn "reloading cf.pm";
2776	require cf;	3763	require cf;
2777	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3764	cf::_connect_to_perl_1;
2778		3765
2779	warn "loading config and database again";	3766	warn "loading config and database again";
2780	cf::cfg_load;	3767	cf::reload_config;
2781		3768
2782	warn "loading extensions";	3769	warn "loading extensions";
2783	cf::load_extensions;	3770	cf::load_extensions;
2784		3771
		3772	if ($REATTACH_ON_RELOAD) {
2785	warn "reattaching attachments to objects/players";	3773	warn "reattaching attachments to objects/players";
2786	_global_reattach; # objects, sockets	3774	_global_reattach; # objects, sockets
2787	warn "reattaching attachments to maps";	3775	warn "reattaching attachments to maps";
2788	reattach $_ for values %MAP;	3776	reattach $_ for values %MAP;
2789	warn "reattaching attachments to players";	3777	warn "reattaching attachments to players";
2790	reattach $_ for values %PLAYER;	3778	reattach $_ for values %PLAYER;
		3779	}
2791		3780
		3781	warn "running post_init jobs";
		3782	(pop @POST_INIT)->(1) while @POST_INIT;
		3783
2792	warn "leaving sync_job";	3784	warn "leaving sync_job";
2793		3785
2794	1	3786	1
2795	} or do {	3787	} or do {
2796	warn $@;	3788	warn $@;
2797	warn "error while reloading, exiting.";	3789	cf::cleanup "error while reloading, exiting.";
2798	exit 1;
2799	};	3790	};
2800		3791
2801	warn "reloaded";	3792	warn "reloaded";
		3793	--$RELOAD;
		3794	}
		3795
		3796	$t1 = EV::time - $t1;
		3797	warn "reload completed in ${t1}s\n";
2802	};	3798	};
2803		3799
2804	our $RELOAD_WATCHER; # used only during reload	3800	our $RELOAD_WATCHER; # used only during reload
2805		3801
2806	sub reload_perl() {	3802	sub reload_perl() {
2807	# doing reload synchronously and two reloads happen back-to-back,	3803	# doing reload synchronously and two reloads happen back-to-back,
2808	# coro crashes during coro_state_free->destroy here.	3804	# coro crashes during coro_state_free->destroy here.
2809		3805
2810	$RELOAD_WATCHER ||= Event->timer (	3806	$RELOAD_WATCHER ||= cf::async {
2811	reentrant => 0,	3807	Coro::AIO::aio_wait cache_extensions;
2812	after => 0,	3808
2813	data => WF_AUTOCANCEL,	3809	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2814	cb => sub {
2815	do_reload_perl;	3810	do_reload_perl;
2816	undef $RELOAD_WATCHER;	3811	undef $RELOAD_WATCHER;
2817	},	3812	};
2818	);	3813	};
2819	}	3814	}
2820		3815
2821	register_command "reload" => sub {	3816	register_command "reload" => sub {
2822	my ($who, $arg) = @_;	3817	my ($who, $arg) = @_;
2823		3818
2824	if ($who->flag (FLAG_WIZ)) {	3819	if ($who->flag (FLAG_WIZ)) {
2825	$who->message ("reloading server.");	3820	$who->message ("reloading server.");
		3821	async {
		3822	$Coro::current->{desc} = "perl_reload";
2826	async { reload_perl };	3823	reload_perl;
		3824	};
2827	}	3825	}
2828	};	3826	};
2829		3827
2830	unshift @INC, $LIBDIR;	3828	unshift @INC, $LIBDIR;
2831		3829
…		…
2833		3831
2834	our @WAIT_FOR_TICK;	3832	our @WAIT_FOR_TICK;
2835	our @WAIT_FOR_TICK_BEGIN;	3833	our @WAIT_FOR_TICK_BEGIN;
2836		3834
2837	sub wait_for_tick {	3835	sub wait_for_tick {
2838	return unless $TICK_WATCHER->is_active;
2839	return if $Coro::current == $Coro::main;	3836	return if tick_inhibit || $Coro::current == $Coro::main;
2840		3837
2841	my $signal = new Coro::Signal;	3838	my $signal = new Coro::Signal;
2842	push @WAIT_FOR_TICK, $signal;	3839	push @WAIT_FOR_TICK, $signal;
2843	$signal->wait;	3840	$signal->wait;
2844	}	3841	}
2845		3842
2846	sub wait_for_tick_begin {	3843	sub wait_for_tick_begin {
2847	return unless $TICK_WATCHER->is_active;
2848	return if $Coro::current == $Coro::main;	3844	return if tick_inhibit || $Coro::current == $Coro::main;
2849		3845
2850	my $signal = new Coro::Signal;	3846	my $signal = new Coro::Signal;
2851	push @WAIT_FOR_TICK_BEGIN, $signal;	3847	push @WAIT_FOR_TICK_BEGIN, $signal;
2852	$signal->wait;	3848	$signal->wait;
2853	}	3849	}
2854		3850
2855	my $min = 1e6;#d#	3851	sub tick {
2856	my $avg = 10;
2857	$TICK_WATCHER = Event->timer (
2858	reentrant => 0,
2859	parked => 1,
2860	prio => 0,
2861	at => $NEXT_TICK || $TICK,
2862	data => WF_AUTOCANCEL,
2863	cb => sub {
2864	if ($Coro::current != $Coro::main) {	3852	if ($Coro::current != $Coro::main) {
2865	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3853	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2866	unless ++$bug_warning > 10;	3854	unless ++$bug_warning > 10;
2867	return;	3855	return;
2868	}	3856	}
2869		3857
2870	$NOW = $tick_start = Event::time;
2871
2872	cf::server_tick; # one server iteration	3858	cf::server_tick; # one server iteration
2873		3859
2874	0 && sync_job {#d#	3860	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2875	for(1..10) {	3861	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2876	my $t = Event::time;	3862	Coro::async_pool {
2877	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3863	$Coro::current->{desc} = "runtime saver";
2878	or die;	3864	write_runtime_sync
2879		3865	or warn "ERROR: unable to write runtime file: $!";
2880	$map->width (50);
2881	$map->height (50);
2882	$map->alloc;
2883	$map->_load_objects ("/tmp/x.map", 1);
2884	my $t = Event::time - $t;
2885
2886	#next unless $t < 0.0013;#d#
2887	if ($t < $min) {
2888	$min = $t;
2889	}
2890	$avg = $avg * 0.99 + $t * 0.01;
2891	}
2892	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2893	exit 0;
2894	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2895	};	3866	};
		3867	}
2896		3868
2897	$RUNTIME += $TICK;
2898	$NEXT_TICK += $TICK;
2899
2900	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2901	$NEXT_RUNTIME_WRITE = $NOW + 10;
2902	Coro::async_pool {
2903	write_runtime
2904	or warn "ERROR: unable to write runtime file: $!";
2905	};
2906	}
2907
2908	# my $AFTER = Event::time;
2909	# warn $AFTER - $NOW;#d#
2910
2911	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3869	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2912	$sig->send;	3870	$sig->send;
2913	}	3871	}
2914	while (my $sig = shift @WAIT_FOR_TICK) {	3872	while (my $sig = shift @WAIT_FOR_TICK) {
2915	$sig->send;	3873	$sig->send;
2916	}	3874	}
2917		3875
2918	$NOW = Event::time;	3876	$LOAD = ($NOW - $TICK_START) / $TICK;
2919
2920	# if we are delayed by four ticks or more, skip them all
2921	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2922
2923	$TICK_WATCHER->at ($NEXT_TICK);
2924	$TICK_WATCHER->start;
2925
2926	$LOAD = ($NOW - $tick_start) / $TICK;
2927	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3877	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2928		3878
2929	_post_tick;	3879	if (0) {
2930		3880	if ($NEXT_TICK) {
2931		3881	my $jitter = $TICK_START - $NEXT_TICK;
		3882	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3883	warn "jitter $JITTER\n";#d#
		3884	}
2932	},	3885	}
2933	);	3886	}
2934		3887
2935	{	3888	{
2936	BDB::max_poll_time $TICK * 0.1;	3889	# configure BDB
2937	$BDB_POLL_WATCHER = Event->io (	3890
2938	reentrant => 0,
2939	fd => BDB::poll_fileno,
2940	poll => 'r',
2941	prio => 0,
2942	data => WF_AUTOCANCEL,
2943	cb => \&BDB::poll_cb,
2944	);
2945	BDB::min_parallel 8;	3891	BDB::min_parallel 8;
2946		3892	BDB::max_poll_reqs $TICK * 0.1;
2947	BDB::set_sync_prepare {	3893	$AnyEvent::BDB::WATCHER->priority (1);
2948	my $status;
2949	my $current = $Coro::current;
2950	(
2951	sub {
2952	$status = $!;
2953	$current->ready; undef $current;
2954	},
2955	sub {
2956	Coro::schedule while defined $current;
2957	$! = $status;
2958	},
2959	)
2960	};
2961		3894
2962	unless ($DB_ENV) {	3895	unless ($DB_ENV) {
2963	$DB_ENV = BDB::db_env_create;	3896	$DB_ENV = BDB::db_env_create;
		3897	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3898	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3899	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3900	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3901	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2964		3902
2965	cf::sync_job {	3903	cf::sync_job {
2966	eval {	3904	eval {
2967	BDB::db_env_open	3905	BDB::db_env_open
2968	$DB_ENV,	3906	$DB_ENV,
…		…
2970	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3908	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2971	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3909	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2972	0666;	3910	0666;
2973		3911
2974	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3912	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2975
2976	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2977	$DB_ENV->set_lk_detect;
2978	};	3913	};
2979		3914
2980	cf::cleanup "db_env_open(db): $@" if $@;	3915	cf::cleanup "db_env_open(db): $@" if $@;
2981	};	3916	};
2982	}	3917	}
		3918
		3919	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3920	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3921	};
		3922	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3923	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3924	};
		3925	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3926	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3927	};
2983	}	3928	}
2984		3929
2985	{	3930	{
		3931	# configure IO::AIO
		3932
2986	IO::AIO::min_parallel 8;	3933	IO::AIO::min_parallel 8;
2987
2988	undef $Coro::AIO::WATCHER;
2989	IO::AIO::max_poll_time $TICK * 0.1;	3934	IO::AIO::max_poll_time $TICK * 0.1;
2990	$AIO_POLL_WATCHER = Event->io (	3935	undef $AnyEvent::AIO::WATCHER;
2991	reentrant => 0,
2992	data => WF_AUTOCANCEL,
2993	fd => IO::AIO::poll_fileno,
2994	poll => 'r',
2995	prio => 6,
2996	cb => \&IO::AIO::poll_cb,
2997	);
2998	}	3936	}
2999		3937
3000	my $_log_backtrace;	3938	my $_log_backtrace;
3001		3939
3002	sub _log_backtrace {	3940	sub _log_backtrace {
…		…
3005	$msg =~ s/\n//;	3943	$msg =~ s/\n//;
3006		3944
3007	# limit the # of concurrent backtraces	3945	# limit the # of concurrent backtraces
3008	if ($_log_backtrace < 2) {	3946	if ($_log_backtrace < 2) {
3009	++$_log_backtrace;	3947	++$_log_backtrace;
		3948	my $perl_bt = Carp::longmess $msg;
3010	async {	3949	async {
		3950	$Coro::current->{desc} = "abt $msg";
		3951
3011	my @bt = fork_call {	3952	my @bt = fork_call {
3012	@addr = map { sprintf "%x", $_ } @addr;	3953	@addr = map { sprintf "%x", $_ } @addr;
3013	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3954	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3014	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3955	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3015	or die "addr2line: $!";	3956	or die "addr2line: $!";
…		…
3023	}	3964	}
3024		3965
3025	@funcs	3966	@funcs
3026	};	3967	};
3027		3968
3028	LOG llevInfo, "[ABT] $msg\n";	3969	LOG llevInfo, "[ABT] $perl_bt\n";
		3970	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3029	LOG llevInfo, "[ABT] $_\n" for @bt;	3971	LOG llevInfo, "[ABT] $_\n" for @bt;
3030	--$_log_backtrace;	3972	--$_log_backtrace;
3031	};	3973	};
3032	} else {	3974	} else {
3033	LOG llevInfo, "[ABT] $msg\n";	3975	LOG llevInfo, "[ABT] $msg\n";
3034	LOG llevInfo, "[ABT] [suppressed]\n";	3976	LOG llevInfo, "[ABT] [suppressed]\n";
3035	}	3977	}
3036	}	3978	}
3037		3979
3038	# load additional modules	3980	# load additional modules
3039	use cf::pod;	3981	require "cf/$_.pm" for @EXTRA_MODULES;
		3982	cf::_connect_to_perl_2;
3040		3983
3041	END { cf::emergency_save }	3984	END { cf::emergency_save }
3042		3985
3043	1	3986	1
3044		3987

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