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Revision 1.386 by root, Mon Oct 15 17:50:27 2007 UTC vs.
Revision 1.479 by root, Thu Oct 8 05:04:27 2009 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict qw(vars subs);
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Event;	31	use EV;
10	use Opcode;	32	use Opcode;
11	use Safe;	33	use Safe;
12	use Safe::Hole;	34	use Safe::Hole;
13	use Storable ();	35	use Storable ();
14		36
		37	use Guard ();
15	use Coro 4.1 ();	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;
24	use Coro::Util ();	51	use Coro::Util ();
25		52
26	use JSON::XS ();	53	use JSON::XS 2.01 ();
27	use BDB ();	54	use BDB ();
28	use Data::Dumper;	55	use Data::Dumper;
29	use Digest::MD5;	56	use Digest::MD5;
30	use Fcntl;	57	use Fcntl;
31	use YAML::Syck ();	58	use YAML ();
32	use IO::AIO 2.51 ();	59	use IO::AIO ();
33	use Time::HiRes;	60	use Time::HiRes;
34	use Compress::LZF;	61	use Compress::LZF;
35	use Digest::MD5 ();	62	use Digest::MD5 ();
		63
		64	AnyEvent::detect;
36		65
37	# configure various modules to our taste	66	# configure various modules to our taste
38	#	67	#
39	$Storable::canonical = 1; # reduce rsync transfers	68	$Storable::canonical = 1; # reduce rsync transfers
40	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";
41	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
42		76
43	$Event::Eval = 1; # no idea why this is required, but it is	77	# strictly for debugging
44		78	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		79
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	80	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
51		81
52	our %COMMAND = ();	82	our %COMMAND = ();
53	our %COMMAND_TIME = ();	83	our %COMMAND_TIME = ();
…		…
56	our %EXTCMD = ();	86	our %EXTCMD = ();
57	our %EXTICMD = ();	87	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	88	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	89	our %EXT_MAP = (); # pluggable maps
60		90
61	our $RELOAD; # number of reloads so far	91	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	92	our @EVENT;
		93	our @REFLECT; # set by XS
		94	our %REFLECT; # set by us
63		95
64	our $CONFDIR = confdir;	96	our $CONFDIR = confdir;
65	our $DATADIR = datadir;	97	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	98	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	99	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	100	our $MAPDIR = "$DATADIR/" . mapdir;
69	our $LOCALDIR = localdir;	101	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	102	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	103	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	104	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	105	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	106	our $BDBDIR = "$LOCALDIR/db";
		107	our $PIDFILE = "$LOCALDIR/pid";
		108	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		109
		110	our %RESOURCE;
75		111
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	112	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	113	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	114	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	115	our $USE_FSYNC = 1; # use fsync to write maps - default on
83		116
84	our $BDB_POLL_WATCHER;
85	our $BDB_DEADLOCK_WATCHER;	117	our $BDB_DEADLOCK_WATCHER;
86	our $BDB_CHECKPOINT_WATCHER;	118	our $BDB_CHECKPOINT_WATCHER;
87	our $BDB_TRICKLE_WATCHER;	119	our $BDB_TRICKLE_WATCHER;
88	our $DB_ENV;	120	our $DB_ENV;
89		121
		122	our @EXTRA_MODULES = qw(pod mapscript);
		123
90	our %CFG;	124	our %CFG;
91		125
92	our $UPTIME; $UPTIME ||= time;	126	our $UPTIME; $UPTIME ||= time;
93	our $RUNTIME;	127	our $RUNTIME;
		128	our $NOW;
94		129
95	our (%PLAYER, %PLAYER_LOADING); # all users	130	our (%PLAYER, %PLAYER_LOADING); # all users
96	our (%MAP, %MAP_LOADING ); # all maps	131	our (%MAP, %MAP_LOADING ); # all maps
97	our $LINK_MAP; # the special {link} map, which is always available	132	our $LINK_MAP; # the special {link} map, which is always available
98		133
99	# 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 ∕
100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	135	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
101		136
102	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)
103	our $LOADAVG; # same thing, but with alpha-smoothing	138	our $LOADAVG; # same thing, but with alpha-smoothing
		139	our $JITTER; # average jitter
104	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 $REALLY_UNLOOP; # never set to true, please :)
105		146
106	binmode STDOUT;	147	binmode STDOUT;
107	binmode STDERR;	148	binmode STDERR;
108		149
109	# read virtual server time, if available	150	# read virtual server time, if available
110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	151	unless ($RUNTIME || !-e $RUNTIMEFILE) {
111	open my $fh, "<", "$LOCALDIR/runtime"	152	open my $fh, "<", $RUNTIMEFILE
112	or die "unable to read runtime file: $!";	153	or die "unable to read $RUNTIMEFILE file: $!";
113	$RUNTIME = <$fh> + 0.;	154	$RUNTIME = <$fh> + 0.;
114	}	155	}
		156
		157	eval "sub TICK() { $TICK } 1" or die;
115		158
116	mkdir $_	159	mkdir $_
117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	160	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
118		161
119	our $EMERGENCY_POSITION;	162	our $EMERGENCY_POSITION;
120		163
121	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	}
122		173
123	#############################################################################	174	#############################################################################
124		175
125	=head2 GLOBAL VARIABLES	176	=head2 GLOBAL VARIABLES
126		177
…		…
162		213
163	The raw value load value from the last tick.	214	The raw value load value from the last tick.
164		215
165	=item %cf::CFG	216	=item %cf::CFG
166		217
167	Configuration for the server, loaded from C</etc/crossfire/config>, or	218	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
168	from wherever your confdir points to.	219	from wherever your confdir points to.
169		220
170	=item cf::wait_for_tick, cf::wait_for_tick_begin	221	=item cf::wait_for_tick, cf::wait_for_tick_begin
171		222
172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	223	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
…		…
177		228
178	This array contains the results of the last C<invoke ()> call. When	229	This array contains the results of the last C<invoke ()> call. When
179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	230	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
180	that call.	231	that call.
181		232
		233	=item %cf::REFLECT
		234
		235	Contains, for each (C++) class name, a hash reference with information
		236	about object members (methods, scalars and arrays) and other metadata,
		237	which is useful for introspection.
		238
182	=back	239	=back
183		240
184	=cut	241	=cut
185		242
186	BEGIN {	243	$Coro::State::WARNHOOK = sub {
187	*CORE::GLOBAL::warn = sub {
188	my $msg = join "", @_;	244	my $msg = join "", @_;
189		245
190	$msg .= "\n"	246	$msg .= "\n"
191	unless $msg =~ /\n$/;	247	unless $msg =~ /\n$/;
192		248
193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	249	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
194		250
195	LOG llevError, $msg;	251	LOG llevError, $msg;
196	};	252	};
197	}	253
		254	$Coro::State::DIEHOOK = sub {
		255	return unless $^S eq 0; # "eq", not "=="
		256
		257	warn Carp::longmess $_[0];
		258
		259	if ($Coro::current == $Coro::main) {#d#
		260	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		261	return;#d#
		262	}#d#
		263
		264	# kill coroutine otherwise
		265	Coro::terminate
		266	};
198		267
199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	268	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	269	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	270	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	271	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
209	for my $pkg (qw(	278	for my $pkg (qw(
210	cf::global cf::attachable	279	cf::global cf::attachable
211	cf::object cf::object::player	280	cf::object cf::object::player
212	cf::client cf::player	281	cf::client cf::player
213	cf::arch cf::living	282	cf::arch cf::living
		283	cf::map cf::mapspace
214	cf::map cf::party cf::region	284	cf::party cf::region
215	)) {	285	)) {
216	no strict 'refs';
217	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	286	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
218	}	287	}
219		288
220	$Event::DIED = sub {	289	$EV::DIED = sub {
221	warn "error in event callback: @_";	290	warn "error in event callback: @_";
222	};	291	};
223		292
224	#############################################################################	293	#############################################################################
225		294
…		…
248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	317	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
249	$d	318	$d
250	} || "[unable to dump $_[0]: '$@']";	319	} || "[unable to dump $_[0]: '$@']";
251	}	320	}
252		321
253	=item $ref = cf::from_json $json	322	=item $ref = cf::decode_json $json
254		323
255	Converts a JSON string into the corresponding perl data structure.	324	Converts a JSON string into the corresponding perl data structure.
256		325
257	=item $json = cf::to_json $ref	326	=item $json = cf::encode_json $ref
258		327
259	Converts a perl data structure into its JSON representation.	328	Converts a perl data structure into its JSON representation.
260		329
261	=cut	330	=cut
262		331
263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	332	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
264		333
265	sub to_json ($) { $json_coder->encode ($_[0]) }	334	sub encode_json($) { $json_coder->encode ($_[0]) }
266	sub from_json ($) { $json_coder->decode ($_[0]) }	335	sub decode_json($) { $json_coder->decode ($_[0]) }
		336
		337	=item cf::post_init { BLOCK }
		338
		339	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		340	but I<before> the server starts ticking again.
		341
		342	The cdoeblock will have a single boolean argument to indicate whether this
		343	is a reload or not.
		344
		345	=cut
		346
		347	sub post_init(&) {
		348	push @POST_INIT, shift;
		349	}
267		350
268	=item cf::lock_wait $string	351	=item cf::lock_wait $string
269		352
270	Wait until the given lock is available. See cf::lock_acquire.	353	Wait until the given lock is available. See cf::lock_acquire.
271		354
272	=item my $lock = cf::lock_acquire $string	355	=item my $lock = cf::lock_acquire $string
273		356
274	Wait until the given lock is available and then acquires it and returns	357	Wait until the given lock is available and then acquires it and returns
275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	358	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
276	for example when the coroutine gets canceled), the lock is automatically	359	for example when the coroutine gets canceled), the lock is automatically
277	returned.	360	returned.
278		361
279	Locks are *not* recursive, locking from the same coro twice results in a	362	Locks are *not* recursive, locking from the same coro twice results in a
280	deadlocked coro.	363	deadlocked coro.
…		…
286		369
287	Return true if the lock is currently active, i.e. somebody has locked it.	370	Return true if the lock is currently active, i.e. somebody has locked it.
288		371
289	=cut	372	=cut
290		373
291	our %LOCK;	374	our $LOCKS = new Coro::SemaphoreSet;
292	our %LOCKER;#d#
293		375
294	sub lock_wait($) {	376	sub lock_wait($) {
295	my ($key) = @_;	377	$LOCKS->wait ($_[0]);
296
297	if ($LOCKER{$key} == $Coro::current) {#d#
298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
299	return;#d#
300	}#d#
301
302	# wait for lock, if any
303	while ($LOCK{$key}) {
304	push @{ $LOCK{$key} }, $Coro::current;
305	Coro::schedule;
306	}
307	}	378	}
308		379
309	sub lock_acquire($) {	380	sub lock_acquire($) {
310	my ($key) = @_;	381	$LOCKS->guard ($_[0])
311
312	# wait, to be sure we are not locked
313	lock_wait $key;
314
315	$LOCK{$key} = [];
316	$LOCKER{$key} = $Coro::current;#d#
317
318	Coro::guard {
319	delete $LOCKER{$key};#d#
320	# wake up all waiters, to be on the safe side
321	$_->ready for @{ delete $LOCK{$key} };
322	}
323	}	382	}
324		383
325	sub lock_active($) {	384	sub lock_active($) {
326	my ($key) = @_;	385	$LOCKS->count ($_[0]) < 1
327
328	! ! $LOCK{$key}
329	}	386	}
330		387
331	sub freeze_mainloop {	388	sub freeze_mainloop {
332	return unless $TICK_WATCHER->is_active;	389	tick_inhibit_inc;
333		390
334	my $guard = Coro::guard {	391	&Guard::guard (\&tick_inhibit_dec);
335	$TICK_WATCHER->start;	392	}
336	};	393
337	$TICK_WATCHER->stop;	394	=item cf::periodic $interval, $cb
338	$guard	395
		396	Like EV::periodic, but randomly selects a starting point so that the actions
		397	get spread over timer.
		398
		399	=cut
		400
		401	sub periodic($$) {
		402	my ($interval, $cb) = @_;
		403
		404	my $start = rand List::Util::min 180, $interval;
		405
		406	EV::periodic $start, $interval, 0, $cb
339	}	407	}
340		408
341	=item cf::get_slot $time[, $priority[, $name]]	409	=item cf::get_slot $time[, $priority[, $name]]
342		410
343	Allocate $time seconds of blocking CPU time at priority C<$priority>:	411	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
383	}	451	}
384	}	452	}
385	};	453	};
386		454
387	sub get_slot($;$$) {	455	sub get_slot($;$$) {
		456	return if tick_inhibit || $Coro::current == $Coro::main;
		457
388	my ($time, $pri, $name) = @_;	458	my ($time, $pri, $name) = @_;
389		459
390	$time = $TICK * .6 if $time > $TICK * .6;	460	$time = $TICK * .6 if $time > $TICK * .6;
391	my $sig = new Coro::Signal;	461	my $sig = new Coro::Signal;
392		462
…		…
406		476
407	BEGIN { *async = \&Coro::async_pool }	477	BEGIN { *async = \&Coro::async_pool }
408		478
409	=item cf::sync_job { BLOCK }	479	=item cf::sync_job { BLOCK }
410		480
411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	481	The design of Deliantra requires that the main coroutine ($Coro::main)
412	is always able to handle events or runnable, as Crossfire TRT is only	482	is always able to handle events or runnable, as Deliantra is only
413	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	483	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
414	acceptable.	484	acceptable.
415		485
416	If it must be done, put the blocking parts into C<sync_job>. This will run	486	If it must be done, put the blocking parts into C<sync_job>. This will run
417	the given BLOCK in another coroutine while waiting for the result. The	487	the given BLOCK in another coroutine while waiting for the result. The
…		…
422		492
423	sub sync_job(&) {	493	sub sync_job(&) {
424	my ($job) = @_;	494	my ($job) = @_;
425		495
426	if ($Coro::current == $Coro::main) {	496	if ($Coro::current == $Coro::main) {
427	my $time = Event::time;	497	my $time = EV::time;
428		498
429	# this is the main coro, too bad, we have to block	499	# this is the main coro, too bad, we have to block
430	# till the operation succeeds, freezing the server :/	500	# till the operation succeeds, freezing the server :/
431		501
432	LOG llevError, Carp::longmess "sync job";#d#	502	LOG llevError, Carp::longmess "sync job";#d#
433		503
434	# TODO: use suspend/resume instead
435	# (but this is cancel-safe)
436	my $freeze_guard = freeze_mainloop;	504	my $freeze_guard = freeze_mainloop;
437		505
438	my $busy = 1;	506	my $busy = 1;
439	my @res;	507	my @res;
440		508
…		…
444	warn $@ if $@;	512	warn $@ if $@;
445	undef $busy;	513	undef $busy;
446	})->prio (Coro::PRIO_MAX);	514	})->prio (Coro::PRIO_MAX);
447		515
448	while ($busy) {	516	while ($busy) {
449	Coro::cede or Event::one_event;	517	if (Coro::nready) {
		518	Coro::cede_notself;
		519	} else {
		520	EV::loop EV::LOOP_ONESHOT;
450	}	521	}
		522	}
451		523
452	$time = Event::time - $time;	524	my $time = EV::time - $time;
453		525
454	LOG llevError | logBacktrace, Carp::longmess "long sync job"
455	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
456
457	$tick_start += $time; # do not account sync jobs to server load	526	$TICK_START += $time; # do not account sync jobs to server load
458		527
459	wantarray ? @res : $res[0]	528	wantarray ? @res : $res[0]
460	} else {	529	} else {
461	# we are in another coroutine, how wonderful, everything just works	530	# we are in another coroutine, how wonderful, everything just works
462		531
…		…
487	=item fork_call { }, $args	556	=item fork_call { }, $args
488		557
489	Executes the given code block with the given arguments in a seperate	558	Executes the given code block with the given arguments in a seperate
490	process, returning the results. Everything must be serialisable with	559	process, returning the results. Everything must be serialisable with
491	Coro::Storable. May, of course, block. Note that the executed sub may	560	Coro::Storable. May, of course, block. Note that the executed sub may
492	never block itself or use any form of Event handling.	561	never block itself or use any form of event handling.
493		562
494	=cut	563	=cut
495		564
496	sub fork_call(&@) {	565	sub fork_call(&@) {
497	my ($cb, @args) = @_;	566	my ($cb, @args) = @_;
…		…
504	reset_signals;	573	reset_signals;
505	&$cb	574	&$cb
506	}, @args;	575	}, @args;
507		576
508	wantarray ? @res : $res[-1]	577	wantarray ? @res : $res[-1]
		578	}
		579
		580	=item $coin = coin_from_name $name
		581
		582	=cut
		583
		584	our %coin_alias = (
		585	"silver" => "silvercoin",
		586	"silvercoin" => "silvercoin",
		587	"silvercoins" => "silvercoin",
		588	"gold" => "goldcoin",
		589	"goldcoin" => "goldcoin",
		590	"goldcoins" => "goldcoin",
		591	"platinum" => "platinacoin",
		592	"platinumcoin" => "platinacoin",
		593	"platinumcoins" => "platinacoin",
		594	"platina" => "platinacoin",
		595	"platinacoin" => "platinacoin",
		596	"platinacoins" => "platinacoin",
		597	"royalty" => "royalty",
		598	"royalties" => "royalty",
		599	);
		600
		601	sub coin_from_name($) {
		602	$coin_alias{$_[0]}
		603	? cf::arch::find $coin_alias{$_[0]}
		604	: undef
509	}	605	}
510		606
511	=item $value = cf::db_get $family => $key	607	=item $value = cf::db_get $family => $key
512		608
513	Returns a single value from the environment database.	609	Returns a single value from the environment database.
…		…
652		748
653	#############################################################################	749	#############################################################################
654		750
655	=head2 ATTACHABLE OBJECTS	751	=head2 ATTACHABLE OBJECTS
656		752
657	Many objects in crossfire are so-called attachable objects. That means you can	753	Many objects in deliantra are so-called attachable objects. That means you can
658	attach callbacks/event handlers (a collection of which is called an "attachment")	754	attach callbacks/event handlers (a collection of which is called an "attachment")
659	to it. All such attachable objects support the following methods.	755	to it. All such attachable objects support the following methods.
660		756
661	In the following description, CLASS can be any of C<global>, C<object>	757	In the following description, CLASS can be any of C<global>, C<object>
662	C<player>, C<client> or C<map> (i.e. the attachable objects in	758	C<player>, C<client> or C<map> (i.e. the attachable objects in
663	Crossfire TRT).	759	Deliantra).
664		760
665	=over 4	761	=over 4
666		762
667	=item $attachable->attach ($attachment, key => $value...)	763	=item $attachable->attach ($attachment, key => $value...)
668		764
…		…
712	=item cf::CLASS::attachment $name, ...	808	=item cf::CLASS::attachment $name, ...
713		809
714	Register an attachment by C<$name> through which attachable objects of the	810	Register an attachment by C<$name> through which attachable objects of the
715	given CLASS can refer to this attachment.	811	given CLASS can refer to this attachment.
716		812
717	Some classes such as crossfire maps and objects can specify attachments	813	Some classes such as deliantra maps and objects can specify attachments
718	that are attached at load/instantiate time, thus the need for a name.	814	that are attached at load/instantiate time, thus the need for a name.
719		815
720	These calls expect any number of the following handler/hook descriptions:	816	These calls expect any number of the following handler/hook descriptions:
721		817
722	=over 4	818	=over 4
…		…
950	}	1046	}
951		1047
952	0	1048	0
953	}	1049	}
954		1050
955	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1051	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
956		1052
957	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1053	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
958		1054
959	Generate an object-specific event with the given arguments.	1055	Generate an object-specific event with the given arguments.
960		1056
…		…
1013		1109
1014	sub reattach {	1110	sub reattach {
1015	# basically do the same as instantiate, without calling instantiate	1111	# basically do the same as instantiate, without calling instantiate
1016	my ($obj) = @_;	1112	my ($obj) = @_;
1017		1113
		1114	# no longer needed after getting rid of delete_package?
1018	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1115	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1019		1116
1020	my $registry = $obj->registry;	1117	my $registry = $obj->registry;
1021		1118
1022	@$registry = ();	1119	@$registry = ();
1023		1120
…		…
1038	cf::attachable->attach (	1135	cf::attachable->attach (
1039	prio => -1000000,	1136	prio => -1000000,
1040	on_instantiate => sub {	1137	on_instantiate => sub {
1041	my ($obj, $data) = @_;	1138	my ($obj, $data) = @_;
1042		1139
1043	$data = from_json $data;	1140	$data = decode_json $data;
1044		1141
1045	for (@$data) {	1142	for (@$data) {
1046	my ($name, $args) = @$_;	1143	my ($name, $args) = @$_;
1047		1144
1048	$obj->attach ($name, %{$args || {} });	1145	$obj->attach ($name, %{$args || {} });
…		…
1069	utf8::decode (my $decname = $filename);	1166	utf8::decode (my $decname = $filename);
1070	warn sprintf "saving %s (%d,%d)\n",	1167	warn sprintf "saving %s (%d,%d)\n",
1071	$decname, length $$rdata, scalar @$objs;	1168	$decname, length $$rdata, scalar @$objs;
1072		1169
1073	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1170	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1074	chmod SAVE_MODE, $fh;	1171	aio_chmod $fh, SAVE_MODE;
1075	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1172	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1076	aio_fsync $fh if $cf::USE_FSYNC;	1173	if ($cf::USE_FSYNC) {
		1174	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1175	aio_fsync $fh;
		1176	}
1077	close $fh;	1177	aio_close $fh;
1078		1178
1079	if (@$objs) {	1179	if (@$objs) {
1080	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1180	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1081	chmod SAVE_MODE, $fh;	1181	aio_chmod $fh, SAVE_MODE;
1082	my $data = Coro::Storable::blocking_nfreeze { version => 1, objs => $objs };	1182	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1083	aio_write $fh, 0, (length $data), $data, 0;	1183	aio_write $fh, 0, (length $data), $data, 0;
1084	aio_fsync $fh if $cf::USE_FSYNC;	1184	if ($cf::USE_FSYNC) {
		1185	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1186	aio_fsync $fh;
		1187	}
1085	close $fh;	1188	aio_close $fh;
1086	aio_rename "$filename.pst~", "$filename.pst";	1189	aio_rename "$filename.pst~", "$filename.pst";
1087	}	1190	}
1088	} else {	1191	} else {
1089	aio_unlink "$filename.pst";	1192	aio_unlink "$filename.pst";
1090	}	1193	}
1091		1194
1092	aio_rename "$filename~", $filename;	1195	aio_rename "$filename~", $filename;
		1196
		1197	$filename =~ s%/[^/]+$%%;
		1198	aio_pathsync $filename if $cf::USE_FSYNC;
1093	} else {	1199	} else {
1094	warn "FATAL: $filename~: $!\n";	1200	warn "unable to save objects: $filename~: $!\n";
1095	}	1201	}
1096	} else {	1202	} else {
1097	aio_unlink $filename;	1203	aio_unlink $filename;
1098	aio_unlink "$filename.pst";	1204	aio_unlink "$filename.pst";
1099	}	1205	}
…		…
1118		1224
1119	unless (aio_stat "$filename.pst") {	1225	unless (aio_stat "$filename.pst") {
1120	(aio_load "$filename.pst", $av) >= 0	1226	(aio_load "$filename.pst", $av) >= 0
1121	or return;	1227	or return;
1122		1228
1123	my $st = eval { Coro::Storable::thaw $av }	1229	my $st = eval { Coro::Storable::thaw $av };
1124	|| eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
1125	$av = $st->{objs};	1230	$av = $st->{objs};
1126	}	1231	}
1127		1232
1128	utf8::decode (my $decname = $filename);	1233	utf8::decode (my $decname = $filename);
1129	warn sprintf "loading %s (%d,%d)\n",	1234	warn sprintf "loading %s (%d,%d)\n",
…		…
1191	my ($name, $cb) = @_;	1296	my ($name, $cb) = @_;
1192		1297
1193	$EXTICMD{$name} = $cb;	1298	$EXTICMD{$name} = $cb;
1194	}	1299	}
1195		1300
		1301	use File::Glob ();
		1302
1196	cf::player->attach (	1303	cf::player->attach (
1197	on_command => sub {	1304	on_command => sub {
1198	my ($pl, $name, $params) = @_;	1305	my ($pl, $name, $params) = @_;
1199		1306
1200	my $cb = $COMMAND{$name}	1307	my $cb = $COMMAND{$name}
…		…
1232		1339
1233	cf::override;	1340	cf::override;
1234	},	1341	},
1235	);	1342	);
1236		1343
		1344	# "readahead" all extensions
		1345	sub cache_extensions {
		1346	my $grp = IO::AIO::aio_group;
		1347
		1348	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1349	for (grep /\.ext$/, @{$_[0]}) {
		1350	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1351	}
		1352	};
		1353
		1354	$grp
		1355	}
		1356
1237	sub load_extensions {	1357	sub load_extensions {
1238	cf::sync_job {	1358	cf::sync_job {
1239	my %todo;	1359	my %todo;
1240		1360
1241	for my $path (<$LIBDIR/*.ext>) {	1361	for my $path (<$LIBDIR/*.ext>) {
…		…
1260		1380
1261	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1381	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1262	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1382	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1263		1383
1264	$ext{source} =	1384	$ext{source} =
1265	"package $pkg; use strict; use utf8;\n"	1385	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1266	. "#line 1 \"$path\"\n{\n"	1386	. "#line 1 \"$path\"\n{\n"
1267	. $source	1387	. $source
1268	. "\n};\n1";	1388	. "\n};\n1";
1269		1389
1270	$todo{$base} = \%ext;	1390	$todo{$base} = \%ext;
…		…
1286	my $msg = $@ ? "$v->{path}: $@\n"	1406	my $msg = $@ ? "$v->{path}: $@\n"
1287	: "$v->{base}: extension inactive.\n";	1407	: "$v->{base}: extension inactive.\n";
1288		1408
1289	if (exists $v->{meta}{mandatory}) {	1409	if (exists $v->{meta}{mandatory}) {
1290	warn $msg;	1410	warn $msg;
1291	warn "mandatory extension failed to load, exiting.\n";	1411	cf::cleanup "mandatory extension failed to load, exiting.";
1292	exit 1;
1293	}	1412	}
1294		1413
1295	warn $msg;	1414	warn $msg;
1296	}	1415	}
1297		1416
…		…
1311		1430
1312	=back	1431	=back
1313		1432
1314	=head2 CORE EXTENSIONS	1433	=head2 CORE EXTENSIONS
1315		1434
1316	Functions and methods that extend core crossfire objects.	1435	Functions and methods that extend core deliantra objects.
1317		1436
1318	=cut	1437	=cut
1319		1438
1320	package cf::player;	1439	package cf::player;
1321		1440
…		…
1364		1483
1365	sub exists($) {	1484	sub exists($) {
1366	my ($login) = @_;	1485	my ($login) = @_;
1367		1486
1368	$cf::PLAYER{$login}	1487	$cf::PLAYER{$login}
1369	or cf::sync_job { !aio_stat path $login }	1488	or !aio_stat path $login
1370	}	1489	}
1371		1490
1372	sub find($) {	1491	sub find($) {
1373	return $cf::PLAYER{$_[0]} || do {	1492	return $cf::PLAYER{$_[0]} || do {
1374	my $login = $_[0];	1493	my $login = $_[0];
…		…
1386	my $f = new_from_file cf::object::thawer path $login	1505	my $f = new_from_file cf::object::thawer path $login
1387	or return;	1506	or return;
1388		1507
1389	my $pl = cf::player::load_pl $f	1508	my $pl = cf::player::load_pl $f
1390	or return;	1509	or return;
		1510
1391	local $cf::PLAYER_LOADING{$login} = $pl;	1511	local $cf::PLAYER_LOADING{$login} = $pl;
1392	$f->resolve_delayed_derefs;	1512	$f->resolve_delayed_derefs;
1393	$cf::PLAYER{$login} = $pl	1513	$cf::PLAYER{$login} = $pl
1394	}	1514	}
1395	}	1515	}
…		…
1405		1525
1406	return if $pl->{deny_save};	1526	return if $pl->{deny_save};
1407		1527
1408	aio_mkdir playerdir $pl, 0770;	1528	aio_mkdir playerdir $pl, 0770;
1409	$pl->{last_save} = $cf::RUNTIME;	1529	$pl->{last_save} = $cf::RUNTIME;
		1530
		1531	cf::get_slot 0.01;
1410		1532
1411	$pl->save_pl ($path);	1533	$pl->save_pl ($path);
1412	cf::cede_to_tick;	1534	cf::cede_to_tick;
1413	}	1535	}
1414		1536
…		…
1446	my ($pl) = @_;	1568	my ($pl) = @_;
1447		1569
1448	my $name = $pl->ob->name;	1570	my $name = $pl->ob->name;
1449		1571
1450	$pl->{deny_save} = 1;	1572	$pl->{deny_save} = 1;
1451	$pl->password ("*"); # this should lock out the player until we nuked the dir	1573	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1452		1574
1453	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1575	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1454	$pl->deactivate;	1576	$pl->deactivate;
		1577	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1578	$pl->ob->check_score;
1455	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1579	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1456	$pl->ns->destroy if $pl->ns;	1580	$pl->ns->destroy if $pl->ns;
1457		1581
1458	my $path = playerdir $pl;	1582	my $path = playerdir $pl;
1459	my $temp = "$path~$cf::RUNTIME~deleting~";	1583	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1498		1622
1499	for my $login (@$dirs) {	1623	for my $login (@$dirs) {
1500	my $path = path $login;	1624	my $path = path $login;
1501		1625
1502	# a .pst is a dead give-away for a valid player	1626	# a .pst is a dead give-away for a valid player
1503	unless (-e "$path.pst") {	1627	# if no pst file found, open and chekc for blocked users
		1628	if (aio_stat "$path.pst") {
1504	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1629	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1505	aio_read $fh, 0, 512, my $buf, 0 or next;	1630	aio_read $fh, 0, 512, my $buf, 0 or next;
1506	$buf !~ /^password -------------$/m or next; # official not-valid tag	1631	$buf !~ /^password -------------$/m or next; # official not-valid tag
1507	}	1632	}
1508		1633
…		…
1539	}	1664	}
1540		1665
1541	\@paths	1666	\@paths
1542	}	1667	}
1543		1668
1544	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1669	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1545		1670
1546	Expand crossfire pod fragments into protocol xml.	1671	Expand deliantra pod fragments into protocol xml.
1547
1548	=cut
1549
1550	sub expand_cfpod {
1551	((my $self), (local $_)) = @_;
1552
1553	# escape & and <
1554	s/&/&amp;/g;
1555	s/(?<![BIUGHT])</&lt;/g;
1556
1557	# this is buggy, it needs to properly take care of nested <'s
1558
1559	1 while
1560	# replace B<>, I<>, U<> etc.
1561	s/B<([^\>]*)>/<b>$1<\/b>/
1562	|| s/I<([^\>]*)>/<i>$1<\/i>/
1563	|| s/U<([^\>]*)>/<u>$1<\/u>/
1564	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1565	# replace G<male|female> tags
1566	|| s{G<([^>|]*)\|([^>]*)>}{
1567	$self->gender ? $2 : $1
1568	}ge
1569	# replace H<hint text>
1570	|| s{H<([^\>]*)>}
1571	{
1572	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1573	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1574	"")
1575	[$self->{hintmode}]
1576	}ge;
1577
1578	# create single paragraphs (very hackish)
1579	s/(?<=\S)\n(?=\w)/ /g;
1580
1581	# compress some whitespace
1582	s/\s+\n/\n/g; # ws line-ends
1583	s/\n\n+/\n/g; # double lines
1584	s/^\n+//; # beginning lines
1585	s/\n+$//; # ending lines
1586
1587	$_
1588	}
1589
1590	sub hintmode {
1591	$_[0]{hintmode} = $_[1] if @_ > 1;
1592	$_[0]{hintmode}
1593	}
1594		1672
1595	=item $player->ext_reply ($msgid, @msg)	1673	=item $player->ext_reply ($msgid, @msg)
1596		1674
1597	Sends an ext reply to the player.	1675	Sends an ext reply to the player.
1598		1676
…		…
1665	our $MAX_RESET = 3600;	1743	our $MAX_RESET = 3600;
1666	our $DEFAULT_RESET = 3000;	1744	our $DEFAULT_RESET = 3000;
1667		1745
1668	sub generate_random_map {	1746	sub generate_random_map {
1669	my ($self, $rmp) = @_;	1747	my ($self, $rmp) = @_;
		1748
		1749	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1750
1670	# mit "rum" bekleckern, nicht	1751	# mit "rum" bekleckern, nicht
1671	$self->_create_random_map (	1752	$self->_create_random_map (
1672	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1753	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1673	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1754	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1674	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1755	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1796		1877
1797	# the temporary/swap location	1878	# the temporary/swap location
1798	sub save_path {	1879	sub save_path {
1799	my ($self) = @_;	1880	my ($self) = @_;
1800		1881
1801	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1882	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1802	"$TMPDIR/$path.map"	1883	"$TMPDIR/$path.map"
1803	}	1884	}
1804		1885
1805	# the unique path, undef == no special unique path	1886	# the unique path, undef == no special unique path
1806	sub uniq_path {	1887	sub uniq_path {
1807	my ($self) = @_;	1888	my ($self) = @_;
1808		1889
1809	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1890	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1810	"$UNIQUEDIR/$path"	1891	"$UNIQUEDIR/$path"
1811	}
1812
1813	# and all this just because we cannot iterate over
1814	# all maps in C++...
1815	sub change_all_map_light {
1816	my ($change) = @_;
1817
1818	$_->change_map_light ($change)
1819	for grep $_->outdoor, values %cf::MAP;
1820	}	1892	}
1821		1893
1822	sub decay_objects {	1894	sub decay_objects {
1823	my ($self) = @_;	1895	my ($self) = @_;
1824		1896
…		…
1908	sub find {	1980	sub find {
1909	my ($path, $origin) = @_;	1981	my ($path, $origin) = @_;
1910		1982
1911	$path = normalise $path, $origin && $origin->path;	1983	$path = normalise $path, $origin && $origin->path;
1912		1984
1913	cf::lock_wait "map_data:$path";#d#remove	1985	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1914	cf::lock_wait "map_find:$path";	1986	my $guard2 = cf::lock_acquire "map_find:$path";
1915		1987
1916	$cf::MAP{$path} || do {	1988	$cf::MAP{$path} || do {
1917	my $guard1 = cf::lock_acquire "map_find:$path";
1918	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1919
1920	my $map = new_from_path cf::map $path	1989	my $map = new_from_path cf::map $path
1921	or return;	1990	or return;
1922		1991
1923	$map->{last_save} = $cf::RUNTIME;	1992	$map->{last_save} = $cf::RUNTIME;
1924		1993
…		…
1926	or return;	1995	or return;
1927		1996
1928	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1997	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1929	# doing this can freeze the server in a sync job, obviously	1998	# doing this can freeze the server in a sync job, obviously
1930	#$cf::WAIT_FOR_TICK->wait;	1999	#$cf::WAIT_FOR_TICK->wait;
		2000	undef $guard2;
1931	undef $guard1;	2001	undef $guard1;
1932	undef $guard2;
1933	$map->reset;	2002	$map->reset;
1934	return find $path;	2003	return find $path;
1935	}	2004	}
1936		2005
1937	$cf::MAP{$path} = $map	2006	$cf::MAP{$path} = $map
…		…
1964	my $f = new_from_file cf::object::thawer $self->{load_path};	2033	my $f = new_from_file cf::object::thawer $self->{load_path};
1965	$f->skip_block;	2034	$f->skip_block;
1966	$self->_load_objects ($f)	2035	$self->_load_objects ($f)
1967	or return;	2036	or return;
1968		2037
1969	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2038	$self->post_load_original
1970	if delete $self->{load_original};	2039	if delete $self->{load_original};
1971		2040
1972	if (my $uniq = $self->uniq_path) {	2041	if (my $uniq = $self->uniq_path) {
1973	utf8::encode $uniq;	2042	utf8::encode $uniq;
1974	unless (aio_stat $uniq) {	2043	unless (aio_stat $uniq) {
…		…
1992	unless ($self->{deny_activate}) {	2061	unless ($self->{deny_activate}) {
1993	$self->decay_objects;	2062	$self->decay_objects;
1994	$self->fix_auto_apply;	2063	$self->fix_auto_apply;
1995	$self->update_buttons;	2064	$self->update_buttons;
1996	cf::cede_to_tick;	2065	cf::cede_to_tick;
1997	$self->set_darkness_map;
1998	cf::cede_to_tick;
1999	$self->activate;	2066	$self->activate;
2000	}	2067	}
2001		2068
2002	$self->{last_save} = $cf::RUNTIME;	2069	$self->{last_save} = $cf::RUNTIME;
2003	$self->last_access ($cf::RUNTIME);	2070	$self->last_access ($cf::RUNTIME);
2004		2071
2005	$self->in_memory (cf::MAP_IN_MEMORY);	2072	$self->in_memory (cf::MAP_ACTIVE);
2006	}	2073	}
2007		2074
2008	$self->post_load;	2075	$self->post_load;
2009	}	2076	}
2010		2077
…		…
2068	my ($path, $origin, $load) = @_;	2135	my ($path, $origin, $load) = @_;
2069		2136
2070	$path = normalise $path, $origin && $origin->{path};	2137	$path = normalise $path, $origin && $origin->{path};
2071		2138
2072	if (my $map = $cf::MAP{$path}) {	2139	if (my $map = $cf::MAP{$path}) {
2073	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2140	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2074	}	2141	}
2075		2142
2076	$MAP_PREFETCH{$path} |= $load;	2143	$MAP_PREFETCH{$path} |= $load;
2077		2144
2078	$MAP_PREFETCHER ||= cf::async {	2145	$MAP_PREFETCHER ||= cf::async {
…		…
2115	cf::async {	2182	cf::async {
2116	$Coro::current->{desc} = "map player save";	2183	$Coro::current->{desc} = "map player save";
2117	$_->contr->save for $self->players;	2184	$_->contr->save for $self->players;
2118	};	2185	};
2119		2186
		2187	cf::get_slot 0.02;
		2188
2120	if ($uniq) {	2189	if ($uniq) {
2121	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2190	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2122	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2191	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2123	} else {	2192	} else {
2124	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2193	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
…		…
2132	$self->save;	2201	$self->save;
2133		2202
2134	my $lock = cf::lock_acquire "map_data:$self->{path}";	2203	my $lock = cf::lock_acquire "map_data:$self->{path}";
2135		2204
2136	return if $self->players;	2205	return if $self->players;
2137	return if $self->in_memory != cf::MAP_IN_MEMORY;	2206	return if $self->in_memory != cf::MAP_ACTIVE;
2138	return if $self->{deny_save};	2207	return if $self->{deny_save};
2139		2208
2140	$self->in_memory (cf::MAP_SWAPPED);	2209	$self->in_memory (cf::MAP_SWAPPED);
2141		2210
2142	$self->deactivate;	2211	$self->deactivate;
…		…
2167		2236
2168	my $lock = cf::lock_acquire "map_data:$self->{path}";	2237	my $lock = cf::lock_acquire "map_data:$self->{path}";
2169		2238
2170	return if $self->players;	2239	return if $self->players;
2171		2240
2172	warn "resetting map ", $self->path;	2241	warn "resetting map ", $self->path, "\n";
2173		2242
2174	$self->in_memory (cf::MAP_SWAPPED);	2243	$self->in_memory (cf::MAP_SWAPPED);
2175		2244
2176	# need to save uniques path	2245	# need to save uniques path
2177	unless ($self->{deny_save}) {	2246	unless ($self->{deny_save}) {
…		…
2260		2329
2261	sub unique_maps() {	2330	sub unique_maps() {
2262	[	2331	[
2263	map {	2332	map {
2264	utf8::decode $_;	2333	utf8::decode $_;
2265	/\.map$/	2334	s/\.map$//; # TODO future compatibility hack
		2335	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2336	? ()
2266	? normalise $_	2337	: normalise $_
2267	: ()
2268	} @{ aio_readdir $UNIQUEDIR or [] }	2338	} @{ aio_readdir $UNIQUEDIR or [] }
2269	]	2339	]
2270	}	2340	}
2271		2341
2272	package cf;
2273
2274	=back	2342	=back
2275		2343
2276	=head3 cf::object	2344	=head3 cf::object
2277		2345
2278	=cut	2346	=cut
…		…
2281		2349
2282	=over 4	2350	=over 4
2283		2351
2284	=item $ob->inv_recursive	2352	=item $ob->inv_recursive
2285		2353
2286	Returns the inventory of the object _and_ their inventories, recursively.	2354	Returns the inventory of the object I<and> their inventories, recursively,
		2355	but I<not> the object itself.
2287		2356
2288	=cut	2357	=cut
2289		2358
2290	sub inv_recursive_;	2359	sub inv_recursive_;
2291	sub inv_recursive_ {	2360	sub inv_recursive_ {
…		…
2296	inv_recursive_ inv $_[0]	2365	inv_recursive_ inv $_[0]
2297	}	2366	}
2298		2367
2299	=item $ref = $ob->ref	2368	=item $ref = $ob->ref
2300		2369
2301	creates and returns a persistent reference to an objetc that can be stored as a string.	2370	Creates and returns a persistent reference to an object that can be stored as a string.
2302		2371
2303	=item $ob = cf::object::deref ($refstring)	2372	=item $ob = cf::object::deref ($refstring)
2304		2373
2305	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2374	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2306	even if the object actually exists. May block.	2375	even if the object actually exists. May block.
…		…
2338	can be C<undef>. Does the right thing when the player is currently in a	2407	can be C<undef>. Does the right thing when the player is currently in a
2339	dialogue with the given NPC character.	2408	dialogue with the given NPC character.
2340		2409
2341	=cut	2410	=cut
2342		2411
		2412	our $SAY_CHANNEL = {
		2413	id => "say",
		2414	title => "Map",
		2415	reply => "say ",
		2416	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2417	};
		2418
		2419	our $CHAT_CHANNEL = {
		2420	id => "chat",
		2421	title => "Chat",
		2422	reply => "chat ",
		2423	tooltip => "Player chat and shouts, global to the server.",
		2424	};
		2425
2343	# rough implementation of a future "reply" method that works	2426	# rough implementation of a future "reply" method that works
2344	# with dialog boxes.	2427	# with dialog boxes.
2345	#TODO: the first argument must go, split into a $npc->reply_to ( method	2428	#TODO: the first argument must go, split into a $npc->reply_to ( method
2346	sub cf::object::player::reply($$$;$) {	2429	sub cf::object::player::reply($$$;$) {
2347	my ($self, $npc, $msg, $flags) = @_;	2430	my ($self, $npc, $msg, $flags) = @_;
…		…
2358	my $dialog = $pl->{npc_dialog};	2441	my $dialog = $pl->{npc_dialog};
2359	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2442	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2360		2443
2361	} else {	2444	} else {
2362	$msg = $npc->name . " says: $msg" if $npc;	2445	$msg = $npc->name . " says: $msg" if $npc;
2363	$self->message ($msg, $flags);	2446	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2364	}	2447	}
2365	}	2448	}
2366	}	2449	}
2367		2450
2368	=item $object->send_msg ($channel, $msg, $color, [extra...])	2451	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2393		2476
2394	=item $player_object->enter_link	2477	=item $player_object->enter_link
2395		2478
2396	Freezes the player and moves him/her to a special map (C<{link}>).	2479	Freezes the player and moves him/her to a special map (C<{link}>).
2397		2480
2398	The player should be reasonably safe there for short amounts of time. You	2481	The player should be reasonably safe there for short amounts of time (e.g.
2399	I<MUST> call C<leave_link> as soon as possible, though.	2482	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2483	though, as the palyer cannot control the character while it is on the link
		2484	map.
2400		2485
2401	Will never block.	2486	Will never block.
2402		2487
2403	=item $player_object->leave_link ($map, $x, $y)	2488	=item $player_object->leave_link ($map, $x, $y)
2404		2489
…		…
2462		2547
2463	$map->load;	2548	$map->load;
2464	$map->load_neighbours;	2549	$map->load_neighbours;
2465		2550
2466	return unless $self->contr->active;	2551	return unless $self->contr->active;
2467	$self->activate_recursive;
2468		2552
2469	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2553	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2470	$self->enter_map ($map, $x, $y);	2554	$self->enter_map ($map, $x, $y);
		2555
		2556	# only activate afterwards, to support waiting in hooks
		2557	$self->activate_recursive;
2471	}	2558	}
2472		2559
2473	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2560	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2474		2561
2475	Moves the player to the given map-path and coordinates by first freezing	2562	Moves the player to the given map-path and coordinates by first freezing
2476	her, loading and preparing them map, calling the provided $check callback	2563	her, loading and preparing them map, calling the provided $check callback
2477	that has to return the map if sucecssful, and then unfreezes the player on	2564	that has to return the map if sucecssful, and then unfreezes the player on
2478	the new (success) or old (failed) map position. In either case, $done will	2565	the new (success) or old (failed) map position. In either case, $done will
2479	be called at the end of this process.	2566	be called at the end of this process.
		2567
		2568	Note that $check will be called with a potentially non-loaded map, so if
		2569	it needs a loaded map it has to call C<< ->load >>.
2480		2570
2481	=cut	2571	=cut
2482		2572
2483	our $GOTOGEN;	2573	our $GOTOGEN;
2484		2574
…		…
2563	}	2653	}
2564		2654
2565	sub prepare_random_map {	2655	sub prepare_random_map {
2566	my ($exit) = @_;	2656	my ($exit) = @_;
2567		2657
2568	my $guard = cf::lock_acquire "exit_prepare:$exit";
2569
2570	# all this does is basically replace the /! path by	2658	# all this does is basically replace the /! path by
2571	# a new random map path (?random/...) with a seed	2659	# a new random map path (?random/...) with a seed
2572	# that depends on the exit object	2660	# that depends on the exit object
2573		2661
2574	my $rmp = parse_random_map_params $exit->msg;	2662	my $rmp = parse_random_map_params $exit->msg;
…		…
2576	if ($exit->map) {	2664	if ($exit->map) {
2577	$rmp->{region} = $exit->region->name;	2665	$rmp->{region} = $exit->region->name;
2578	$rmp->{origin_map} = $exit->map->path;	2666	$rmp->{origin_map} = $exit->map->path;
2579	$rmp->{origin_x} = $exit->x;	2667	$rmp->{origin_x} = $exit->x;
2580	$rmp->{origin_y} = $exit->y;	2668	$rmp->{origin_y} = $exit->y;
		2669
		2670	$exit->map->touch;
2581	}	2671	}
2582		2672
2583	$rmp->{random_seed} ||= $exit->random_seed;	2673	$rmp->{random_seed} ||= $exit->random_seed;
2584		2674
2585	my $data = cf::to_json $rmp;	2675	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2586	my $md5 = Digest::MD5::md5_hex $data;	2676	my $md5 = Digest::MD5::md5_hex $data;
2587	my $meta = "$RANDOMDIR/$md5.meta";	2677	my $meta = "$RANDOMDIR/$md5.meta";
2588		2678
2589	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2679	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2590	aio_write $fh, 0, (length $data), $data, 0;	2680	aio_write $fh, 0, (length $data), $data, 0;
2591	undef $fh;	2681	undef $fh;
2592	aio_rename "$meta~", $meta;	2682	aio_rename "$meta~", $meta;
2593		2683
		2684	my $slaying = "?random/$md5";
		2685
		2686	if ($exit->valid) {
2594	$exit->slaying ("?random/$md5");	2687	$exit->slaying ("?random/$md5");
2595	$exit->msg (undef);	2688	$exit->msg (undef);
		2689	}
2596	}	2690	}
2597	}	2691	}
2598		2692
2599	sub cf::object::player::enter_exit {	2693	sub cf::object::player::enter_exit {
2600	my ($self, $exit) = @_;	2694	my ($self, $exit) = @_;
2601		2695
2602	return unless $self->type == cf::PLAYER;	2696	return unless $self->type == cf::PLAYER;
2603		2697
2604	if ($exit->slaying eq "/!") {
2605	#TODO: this should de-fi-ni-te-ly not be a sync-job
2606	# the problem is that $exit might not survive long enough
2607	# so it needs to be done right now, right here
2608	cf::sync_job { prepare_random_map $exit };
2609	}
2610
2611	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2612	my $hp = $exit->stats->hp;
2613	my $sp = $exit->stats->sp;
2614
2615	$self->enter_link;	2698	$self->enter_link;
2616		2699
2617	# if exit is damned, update players death & WoR home-position
2618	$self->contr->savebed ($slaying, $hp, $sp)
2619	if $exit->flag (FLAG_DAMNED);
2620
2621	(async {	2700	(async {
2622	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2701	$Coro::current->{desc} = "enter_exit";
2623		2702
2624	$self->deactivate_recursive; # just to be sure
2625	unless (eval {	2703	unless (eval {
		2704	$self->deactivate_recursive; # just to be sure
		2705
		2706	# random map handling
		2707	{
		2708	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2709
		2710	prepare_random_map $exit
		2711	if $exit->slaying eq "/!";
		2712	}
		2713
		2714	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2715	my $x = $exit->stats->hp;
		2716	my $y = $exit->stats->sp;
		2717
2626	$self->goto ($slaying, $hp, $sp);	2718	$self->goto ($map, $x, $y);
2627		2719
		2720	# if exit is damned, update players death & WoR home-position
		2721	$self->contr->savebed ($map, $x, $y)
		2722	if $exit->flag (cf::FLAG_DAMNED);
		2723
2628	1;	2724	1
2629	}) {	2725	}) {
2630	$self->message ("Something went wrong deep within the crossfire server. "	2726	$self->message ("Something went wrong deep within the deliantra server. "
2631	. "I'll try to bring you back to the map you were before. "	2727	. "I'll try to bring you back to the map you were before. "
2632	. "Please report this to the dungeon master!",	2728	. "Please report this to the dungeon master!",
2633	cf::NDI_UNIQUE | cf::NDI_RED);	2729	cf::NDI_UNIQUE | cf::NDI_RED);
2634		2730
2635	warn "ERROR in enter_exit: $@";	2731	warn "ERROR in enter_exit: $@";
…		…
2663	the message, with C<log> being the default. If C<$color> is negative, suppress	2759	the message, with C<log> being the default. If C<$color> is negative, suppress
2664	the message unless the client supports the msg packet.	2760	the message unless the client supports the msg packet.
2665		2761
2666	=cut	2762	=cut
2667		2763
		2764	# non-persistent channels (usually the info channel)
2668	our %CHANNEL = (	2765	our %CHANNEL = (
2669	"c/identify" => {	2766	"c/identify" => {
2670	id => "infobox",	2767	id => "infobox",
2671	title => "Identify",	2768	title => "Identify",
2672	reply => undef,	2769	reply => undef,
…		…
2676	id => "infobox",	2773	id => "infobox",
2677	title => "Examine",	2774	title => "Examine",
2678	reply => undef,	2775	reply => undef,
2679	tooltip => "Signs and other items you examined",	2776	tooltip => "Signs and other items you examined",
2680	},	2777	},
		2778	"c/book" => {
		2779	id => "infobox",
		2780	title => "Book",
		2781	reply => undef,
		2782	tooltip => "The contents of a note or book",
		2783	},
2681	"c/lookat" => {	2784	"c/lookat" => {
2682	id => "infobox",	2785	id => "infobox",
2683	title => "Look",	2786	title => "Look",
2684	reply => undef,	2787	reply => undef,
2685	tooltip => "What you saw there",	2788	tooltip => "What you saw there",
2686	},	2789	},
		2790	"c/who" => {
		2791	id => "infobox",
		2792	title => "Players",
		2793	reply => undef,
		2794	tooltip => "Shows players who are currently online",
		2795	},
		2796	"c/body" => {
		2797	id => "infobox",
		2798	title => "Body Parts",
		2799	reply => undef,
		2800	tooltip => "Shows which body parts you posess and are available",
		2801	},
		2802	"c/statistics" => {
		2803	id => "infobox",
		2804	title => "Statistics",
		2805	reply => undef,
		2806	tooltip => "Shows your primary statistics",
		2807	},
		2808	"c/skills" => {
		2809	id => "infobox",
		2810	title => "Skills",
		2811	reply => undef,
		2812	tooltip => "Shows your experience per skill and item power",
		2813	},
		2814	"c/shopitems" => {
		2815	id => "infobox",
		2816	title => "Shop Items",
		2817	reply => undef,
		2818	tooltip => "Shows the items currently for sale in this shop",
		2819	},
		2820	"c/resistances" => {
		2821	id => "infobox",
		2822	title => "Resistances",
		2823	reply => undef,
		2824	tooltip => "Shows your resistances",
		2825	},
		2826	"c/pets" => {
		2827	id => "infobox",
		2828	title => "Pets",
		2829	reply => undef,
		2830	tooltip => "Shows information abotu your pets/a specific pet",
		2831	},
		2832	"c/perceiveself" => {
		2833	id => "infobox",
		2834	title => "Perceive Self",
		2835	reply => undef,
		2836	tooltip => "You gained detailed knowledge about yourself",
		2837	},
		2838	"c/uptime" => {
		2839	id => "infobox",
		2840	title => "Uptime",
		2841	reply => undef,
		2842	tooltip => "How long the server has been running since last restart",
		2843	},
		2844	"c/mapinfo" => {
		2845	id => "infobox",
		2846	title => "Map Info",
		2847	reply => undef,
		2848	tooltip => "Information related to the maps",
		2849	},
		2850	"c/party" => {
		2851	id => "party",
		2852	title => "Party",
		2853	reply => "gsay ",
		2854	tooltip => "Messages and chat related to your party",
		2855	},
		2856	"c/death" => {
		2857	id => "death",
		2858	title => "Death",
		2859	reply => undef,
		2860	tooltip => "Reason for and more info about your most recent death",
		2861	},
		2862	"c/say" => $SAY_CHANNEL,
		2863	"c/chat" => $CHAT_CHANNEL,
2687	);	2864	);
2688		2865
2689	sub cf::client::send_msg {	2866	sub cf::client::send_msg {
2690	my ($self, $channel, $msg, $color, @extra) = @_;	2867	my ($self, $channel, $msg, $color, @extra) = @_;
2691		2868
2692	$msg = $self->pl->expand_cfpod ($msg);	2869	$msg = $self->pl->expand_cfpod ($msg)
		2870	unless $color & cf::NDI_VERBATIM;
2693		2871
2694	$color &= cf::NDI_CLIENT_MASK; # just in case...	2872	$color &= cf::NDI_CLIENT_MASK; # just in case...
2695		2873
2696	# check predefined channels, for the benefit of C	2874	# check predefined channels, for the benefit of C
2697	if ($CHANNEL{$channel}) {	2875	if ($CHANNEL{$channel}) {
2698	$channel = $CHANNEL{$channel};	2876	$channel = $CHANNEL{$channel};
2699		2877
2700	$self->ext_msg (channel_info => $channel)	2878	$self->ext_msg (channel_info => $channel);
2701	if $self->can_msg;
2702
2703	$channel = $channel->{id};	2879	$channel = $channel->{id};
2704		2880
2705	} elsif (ref $channel) {	2881	} elsif (ref $channel) {
2706	# send meta info to client, if not yet sent	2882	# send meta info to client, if not yet sent
2707	unless (exists $self->{channel}{$channel->{id}}) {	2883	unless (exists $self->{channel}{$channel->{id}}) {
2708	$self->{channel}{$channel->{id}} = $channel;	2884	$self->{channel}{$channel->{id}} = $channel;
2709	$self->ext_msg (channel_info => $channel)	2885	$self->ext_msg (channel_info => $channel);
2710	if $self->can_msg;
2711	}	2886	}
2712		2887
2713	$channel = $channel->{id};	2888	$channel = $channel->{id};
2714	}	2889	}
2715		2890
2716	return unless @extra || length $msg;	2891	return unless @extra || length $msg;
2717		2892
2718	if ($self->can_msg) {
2719	# default colour, mask it out	2893	# default colour, mask it out
2720	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2894	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2721	if $color & cf::NDI_DEF;	2895	if $color & cf::NDI_DEF;
2722		2896
2723	$self->send_packet ("msg " . $self->{json_coder}->encode (	2897	my $pkt = "msg "
		2898	. $self->{json_coder}->encode (
2724	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2899	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2725	} else {	2900	);
2726	if ($color >= 0) {
2727	# replace some tags by gcfclient-compatible ones
2728	for ($msg) {
2729	1 while
2730	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2731	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2732	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2733	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2734	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2735	}
2736		2901
2737	$color &= cf::NDI_COLOR_MASK;	2902	# try lzf for large packets
		2903	$pkt = "lzf " . Compress::LZF::compress $pkt
		2904	if 1024 <= length $pkt and $self->{can_lzf};
2738		2905
2739	utf8::encode $msg;	2906	# split very large packets
2740		2907	if (8192 < length $pkt and $self->{can_lzf}) {
2741	if (0 && $msg =~ /\[/) {	2908	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2742	# COMMAND/INFO	2909	$pkt = "frag";
2743	$self->send_packet ("drawextinfo $color 10 8 $msg")
2744	} else {
2745	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2746	$self->send_packet ("drawinfo $color $msg")
2747	}
2748	}
2749	}	2910	}
		2911
		2912	$self->send_packet ($pkt);
2750	}	2913	}
2751		2914
2752	=item $client->ext_msg ($type, @msg)	2915	=item $client->ext_msg ($type, @msg)
2753		2916
2754	Sends an ext event to the client.	2917	Sends an ext event to the client.
…		…
2928		3091
2929	The following functions and methods are available within a safe environment:	3092	The following functions and methods are available within a safe environment:
2930		3093
2931	cf::object	3094	cf::object
2932	contr pay_amount pay_player map x y force_find force_add destroy	3095	contr pay_amount pay_player map x y force_find force_add destroy
2933	insert remove name archname title slaying race decrease_ob_nr	3096	insert remove name archname title slaying race decrease split
		3097	value
2934		3098
2935	cf::object::player	3099	cf::object::player
2936	player	3100	player
2937		3101
2938	cf::player	3102	cf::player
…		…
2943		3107
2944	=cut	3108	=cut
2945		3109
2946	for (	3110	for (
2947	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3111	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2948	insert remove inv name archname title slaying race	3112	insert remove inv nrof name archname title slaying race
2949	decrease_ob_nr destroy)],	3113	decrease split destroy change_exp value msg lore send_msg)],
2950	["cf::object::player" => qw(player)],	3114	["cf::object::player" => qw(player)],
2951	["cf::player" => qw(peaceful)],	3115	["cf::player" => qw(peaceful send_msg)],
2952	["cf::map" => qw(trigger)],	3116	["cf::map" => qw(trigger)],
2953	) {	3117	) {
2954	no strict 'refs';	3118	no strict 'refs';
2955	my ($pkg, @funs) = @$_;	3119	my ($pkg, @funs) = @$_;
2956	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3120	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2973	my ($code, %vars) = @_;	3137	my ($code, %vars) = @_;
2974		3138
2975	my $qcode = $code;	3139	my $qcode = $code;
2976	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3140	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2977	$qcode =~ s/\n/\\n/g;	3141	$qcode =~ s/\n/\\n/g;
		3142
		3143	%vars = (_dummy => 0) unless %vars;
2978		3144
2979	local $_;	3145	local $_;
2980	local @safe::cf::_safe_eval_args = values %vars;	3146	local @safe::cf::_safe_eval_args = values %vars;
2981		3147
2982	my $eval =	3148	my $eval =
…		…
3059	{	3225	{
3060	my $faces = $facedata->{faceinfo};	3226	my $faces = $facedata->{faceinfo};
3061		3227
3062	while (my ($face, $info) = each %$faces) {	3228	while (my ($face, $info) = each %$faces) {
3063	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3229	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3230
3064	cf::face::set_visibility $idx, $info->{visibility};	3231	cf::face::set_visibility $idx, $info->{visibility};
3065	cf::face::set_magicmap $idx, $info->{magicmap};	3232	cf::face::set_magicmap $idx, $info->{magicmap};
3066	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3233	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
3067	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3234	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
3068		3235
3069	cf::cede_to_tick;	3236	cf::cede_to_tick;
3070	}	3237	}
3071		3238
3072	while (my ($face, $info) = each %$faces) {	3239	while (my ($face, $info) = each %$faces) {
3073	next unless $info->{smooth};	3240	next unless $info->{smooth};
		3241
3074	my $idx = cf::face::find $face	3242	my $idx = cf::face::find $face
3075	or next;	3243	or next;
		3244
3076	if (my $smooth = cf::face::find $info->{smooth}) {	3245	if (my $smooth = cf::face::find $info->{smooth}) {
3077	cf::face::set_smooth $idx, $smooth;	3246	cf::face::set_smooth $idx, $smooth;
3078	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3247	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3079	} else {	3248	} else {
3080	warn "smooth face '$info->{smooth}' not found for face '$face'";	3249	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
3098	{	3267	{
3099	# TODO: for gcfclient pleasure, we should give resources	3268	# TODO: for gcfclient pleasure, we should give resources
3100	# that gcfclient doesn't grok a >10000 face index.	3269	# that gcfclient doesn't grok a >10000 face index.
3101	my $res = $facedata->{resource};	3270	my $res = $facedata->{resource};
3102		3271
3103	my $soundconf = delete $res->{"res/sound.conf"};
3104
3105	while (my ($name, $info) = each %$res) {	3272	while (my ($name, $info) = each %$res) {
		3273	if (defined $info->{type}) {
3106	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3274	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3107	my $data;	3275	my $data;
3108		3276
3109	if ($info->{type} & 1) {	3277	if ($info->{type} & 1) {
3110	# prepend meta info	3278	# prepend meta info
3111		3279
3112	my $meta = $enc->encode ({	3280	my $meta = $enc->encode ({
3113	name => $name,	3281	name => $name,
3114	%{ $info->{meta} || {} },	3282	%{ $info->{meta} || {} },
3115	});	3283	});
3116		3284
3117	$data = pack "(w/a*)*", $meta, $info->{data};	3285	$data = pack "(w/a*)*", $meta, $info->{data};
		3286	} else {
		3287	$data = $info->{data};
		3288	}
		3289
		3290	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3291	cf::face::set_type $idx, $info->{type};
3118	} else {	3292	} else {
3119	$data = $info->{data};	3293	$RESOURCE{$name} = $info;
3120	}	3294	}
3121		3295
3122	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3123	cf::face::set_type $idx, $info->{type};
3124
3125	cf::cede_to_tick;	3296	cf::cede_to_tick;
3126	}	3297	}
3127
3128	if ($soundconf) {
3129	$soundconf = $enc->decode (delete $soundconf->{data});
3130
3131	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3132	my $sound = $soundconf->{compat}[$_]
3133	or next;
3134
3135	my $face = cf::face::find "sound/$sound->[1]";
3136	cf::sound::set $sound->[0] => $face;
3137	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3138	}
3139
3140	while (my ($k, $v) = each %{$soundconf->{event}}) {
3141	my $face = cf::face::find "sound/$v";
3142	cf::sound::set $k => $face;
3143	}
3144	}
3145	}	3298	}
		3299
		3300	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3146		3301
3147	1	3302	1
3148	}	3303	}
		3304
		3305	cf::global->attach (on_resource_update => sub {
		3306	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3307	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3308
		3309	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3310	my $sound = $soundconf->{compat}[$_]
		3311	or next;
		3312
		3313	my $face = cf::face::find "sound/$sound->[1]";
		3314	cf::sound::set $sound->[0] => $face;
		3315	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3316	}
		3317
		3318	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3319	my $face = cf::face::find "sound/$v";
		3320	cf::sound::set $k => $face;
		3321	}
		3322	}
		3323	});
3149		3324
3150	register_exticmd fx_want => sub {	3325	register_exticmd fx_want => sub {
3151	my ($ns, $want) = @_;	3326	my ($ns, $want) = @_;
3152		3327
3153	while (my ($k, $v) = each %$want) {	3328	while (my ($k, $v) = each %$want) {
3154	$ns->fx_want ($k, $v);	3329	$ns->fx_want ($k, $v);
3155	}	3330	}
3156	};	3331	};
		3332
		3333	sub load_resource_file($) {
		3334	my $guard = lock_acquire "load_resource_file";
		3335
		3336	my $status = load_resource_file_ $_[0];
		3337	get_slot 0.1, 100;
		3338	cf::arch::commit_load;
		3339
		3340	$status
		3341	}
3157		3342
3158	sub reload_regions {	3343	sub reload_regions {
3159	# HACK to clear player env face cache, we need some signal framework	3344	# HACK to clear player env face cache, we need some signal framework
3160	# for this (global event?)	3345	# for this (global event?)
3161	%ext::player_env::MUSIC_FACE_CACHE = ();	3346	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3175	}	3360	}
3176		3361
3177	sub reload_archetypes {	3362	sub reload_archetypes {
3178	load_resource_file "$DATADIR/archetypes"	3363	load_resource_file "$DATADIR/archetypes"
3179	or die "unable to load archetypes\n";	3364	or die "unable to load archetypes\n";
3180	#d# NEED to laod twice to resolve forward references
3181	# this really needs to be done in an extra post-pass
3182	# (which needs to be synchronous, so solve it differently)
3183	load_resource_file "$DATADIR/archetypes"
3184	or die "unable to load archetypes\n";
3185	}	3365	}
3186		3366
3187	sub reload_treasures {	3367	sub reload_treasures {
3188	load_resource_file "$DATADIR/treasures"	3368	load_resource_file "$DATADIR/treasures"
3189	or die "unable to load treasurelists\n";	3369	or die "unable to load treasurelists\n";
3190	}	3370	}
3191		3371
3192	sub reload_resources {	3372	sub reload_resources {
3193	warn "reloading resource files...\n";	3373	warn "reloading resource files...\n";
3194		3374
		3375	reload_facedata;
		3376	reload_archetypes;
3195	reload_regions;	3377	reload_regions;
3196	reload_facedata;
3197	#reload_archetypes;#d#
3198	reload_archetypes;
3199	reload_treasures;	3378	reload_treasures;
3200		3379
3201	warn "finished reloading resource files\n";	3380	warn "finished reloading resource files\n";
3202	}
3203
3204	sub init {
3205	reload_resources;
3206	}	3381	}
3207		3382
3208	sub reload_config {	3383	sub reload_config {
3209	open my $fh, "<:utf8", "$CONFDIR/config"	3384	open my $fh, "<:utf8", "$CONFDIR/config"
3210	or return;	3385	or return;
3211		3386
3212	local $/;	3387	local $/;
3213	*CFG = YAML::Syck::Load <$fh>;	3388	*CFG = YAML::Load <$fh>;
3214		3389
3215	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3390	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3216		3391
3217	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3392	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3218	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3393	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3224	};	3399	};
3225	warn $@ if $@;	3400	warn $@ if $@;
3226	}	3401	}
3227	}	3402	}
3228		3403
		3404	sub pidfile() {
		3405	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3406	or die "$PIDFILE: $!";
		3407	flock $fh, &Fcntl::LOCK_EX
		3408	or die "$PIDFILE: flock: $!";
		3409	$fh
		3410	}
		3411
		3412	# make sure only one server instance is running at any one time
		3413	sub atomic {
		3414	my $fh = pidfile;
		3415
		3416	my $pid = <$fh>;
		3417	kill 9, $pid if $pid > 0;
		3418
		3419	seek $fh, 0, 0;
		3420	print $fh $$;
		3421	}
		3422
		3423	sub main_loop {
		3424	warn "EV::loop starting\n";
		3425	if (1) {
		3426	EV::loop;
		3427	}
		3428	warn "EV::loop returned\n";
		3429	goto &main_loop unless $REALLY_UNLOOP;
		3430	}
		3431
3229	sub main {	3432	sub main {
		3433	cf::init_globals; # initialise logging
		3434
		3435	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3436	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3437	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3438	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3439
		3440	cf::init_experience;
		3441	cf::init_anim;
		3442	cf::init_attackmess;
		3443	cf::init_dynamic;
		3444
		3445	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3446
3230	# we must not ever block the main coroutine	3447	# we must not ever block the main coroutine
3231	local $Coro::idle = sub {	3448	local $Coro::idle = sub {
3232	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3449	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3233	(async {	3450	(async {
3234	$Coro::current->{desc} = "IDLE BUG HANDLER";	3451	$Coro::current->{desc} = "IDLE BUG HANDLER";
3235	Event::one_event;	3452	EV::loop EV::LOOP_ONESHOT;
3236	})->prio (Coro::PRIO_MAX);	3453	})->prio (Coro::PRIO_MAX);
3237	};	3454	};
3238		3455
		3456	evthread_start IO::AIO::poll_fileno;
		3457
		3458	cf::sync_job {
		3459	reload_resources;
3239	reload_config;	3460	reload_config;
3240	db_init;	3461	db_init;
		3462
		3463	cf::load_settings;
		3464	cf::load_materials;
		3465	cf::init_uuid;
		3466	cf::init_signals;
		3467	cf::init_commands;
		3468	cf::init_skills;
		3469
		3470	cf::init_beforeplay;
		3471
		3472	atomic;
		3473
3241	load_extensions;	3474	load_extensions;
3242		3475
3243	$TICK_WATCHER->start;	3476	utime time, time, $RUNTIMEFILE;
3244	Event::loop;	3477
		3478	# no (long-running) fork's whatsoever before this point(!)
		3479	use POSIX ();
		3480	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3481
		3482	(pop @POST_INIT)->(0) while @POST_INIT;
		3483	};
		3484
		3485	main_loop;
3245	}	3486	}
3246		3487
3247	#############################################################################	3488	#############################################################################
3248	# initialisation and cleanup	3489	# initialisation and cleanup
3249		3490
3250	# install some emergency cleanup handlers	3491	# install some emergency cleanup handlers
3251	BEGIN {	3492	BEGIN {
		3493	our %SIGWATCHER = ();
3252	for my $signal (qw(INT HUP TERM)) {	3494	for my $signal (qw(INT HUP TERM)) {
3253	Event->signal (	3495	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3254	reentrant => 0,
3255	data => WF_AUTOCANCEL,
3256	signal => $signal,
3257	prio => 0,
3258	cb => sub {
3259	cf::cleanup "SIG$signal";	3496	cf::cleanup "SIG$signal";
3260	},
3261	);	3497	};
3262	}	3498	}
3263	}	3499	}
3264		3500
3265	sub write_runtime {	3501	sub write_runtime_sync {
3266	my $runtime = "$LOCALDIR/runtime";
3267
3268	# first touch the runtime file to show we are still running:	3502	# first touch the runtime file to show we are still running:
3269	# the fsync below can take a very very long time.	3503	# the fsync below can take a very very long time.
3270		3504
3271	IO::AIO::aio_utime $runtime, undef, undef;	3505	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3272		3506
3273	my $guard = cf::lock_acquire "write_runtime";	3507	my $guard = cf::lock_acquire "write_runtime";
3274		3508
3275	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3509	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3276	or return;	3510	or return;
3277		3511
3278	my $value = $cf::RUNTIME + 90 + 10;	3512	my $value = $cf::RUNTIME + 90 + 10;
3279	# 10 is the runtime save interval, for a monotonic clock	3513	# 10 is the runtime save interval, for a monotonic clock
3280	# 60 allows for the watchdog to kill the server.	3514	# 60 allows for the watchdog to kill the server.
…		…
3290	aio_utime $fh, undef, undef;	3524	aio_utime $fh, undef, undef;
3291		3525
3292	close $fh	3526	close $fh
3293	or return;	3527	or return;
3294		3528
3295	aio_rename "$runtime~", $runtime	3529	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3296	and return;	3530	and return;
3297		3531
3298	warn "runtime file written.\n";	3532	warn "runtime file written.\n";
3299		3533
3300	1	3534	1
		3535	}
		3536
		3537	our $uuid_lock;
		3538	our $uuid_skip;
		3539
		3540	sub write_uuid_sync($) {
		3541	$uuid_skip ||= $_[0];
		3542
		3543	return if $uuid_lock;
		3544	local $uuid_lock = 1;
		3545
		3546	my $uuid = "$LOCALDIR/uuid";
		3547
		3548	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3549	or return;
		3550
		3551	my $value = uuid_seq uuid_cur;
		3552
		3553	unless ($value) {
		3554	warn "cowardly refusing to write zero uuid value!\n";
		3555	return;
		3556	}
		3557
		3558	my $value = uuid_str $value + $uuid_skip;
		3559	$uuid_skip = 0;
		3560
		3561	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3562	and return;
		3563
		3564	# always fsync - this file is important
		3565	aio_fsync $fh
		3566	and return;
		3567
		3568	close $fh
		3569	or return;
		3570
		3571	aio_rename "$uuid~", $uuid
		3572	and return;
		3573
		3574	warn "uuid file written ($value).\n";
		3575
		3576	1
		3577
		3578	}
		3579
		3580	sub write_uuid($$) {
		3581	my ($skip, $sync) = @_;
		3582
		3583	$sync ? write_uuid_sync $skip
		3584	: async { write_uuid_sync $skip };
3301	}	3585	}
3302		3586
3303	sub emergency_save() {	3587	sub emergency_save() {
3304	my $freeze_guard = cf::freeze_mainloop;	3588	my $freeze_guard = cf::freeze_mainloop;
3305		3589
3306	warn "enter emergency perl save\n";	3590	warn "emergency_perl_save: enter\n";
3307		3591
3308	cf::sync_job {	3592	cf::sync_job {
		3593	# this is a trade-off: we want to be very quick here, so
		3594	# save all maps without fsync, and later call a global sync
		3595	# (which in turn might be very very slow)
		3596	local $USE_FSYNC = 0;
		3597
3309	# use a peculiar iteration method to avoid tripping on perl	3598	# use a peculiar iteration method to avoid tripping on perl
3310	# refcount bugs in for. also avoids problems with players	3599	# refcount bugs in for. also avoids problems with players
3311	# and maps saved/destroyed asynchronously.	3600	# and maps saved/destroyed asynchronously.
3312	warn "begin emergency player save\n";	3601	warn "emergency_perl_save: begin player save\n";
3313	for my $login (keys %cf::PLAYER) {	3602	for my $login (keys %cf::PLAYER) {
3314	my $pl = $cf::PLAYER{$login} or next;	3603	my $pl = $cf::PLAYER{$login} or next;
3315	$pl->valid or next;	3604	$pl->valid or next;
3316	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3605	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3317	$pl->save;	3606	$pl->save;
3318	}	3607	}
3319	warn "end emergency player save\n";	3608	warn "emergency_perl_save: end player save\n";
3320		3609
3321	warn "begin emergency map save\n";	3610	warn "emergency_perl_save: begin map save\n";
3322	for my $path (keys %cf::MAP) {	3611	for my $path (keys %cf::MAP) {
3323	my $map = $cf::MAP{$path} or next;	3612	my $map = $cf::MAP{$path} or next;
3324	$map->valid or next;	3613	$map->valid or next;
3325	$map->save;	3614	$map->save;
3326	}	3615	}
3327	warn "end emergency map save\n";	3616	warn "emergency_perl_save: end map save\n";
3328		3617
3329	warn "begin emergency database checkpoint\n";	3618	warn "emergency_perl_save: begin database checkpoint\n";
3330	BDB::db_env_txn_checkpoint $DB_ENV;	3619	BDB::db_env_txn_checkpoint $DB_ENV;
3331	warn "end emergency database checkpoint\n";	3620	warn "emergency_perl_save: end database checkpoint\n";
		3621
		3622	warn "emergency_perl_save: begin write uuid\n";
		3623	write_uuid_sync 1;
		3624	warn "emergency_perl_save: end write uuid\n";
3332	};	3625	};
3333		3626
		3627	warn "emergency_perl_save: starting sync()\n";
		3628	IO::AIO::aio_sync sub {
		3629	warn "emergency_perl_save: finished sync()\n";
		3630	};
		3631
3334	warn "leave emergency perl save\n";	3632	warn "emergency_perl_save: leave\n";
3335	}	3633	}
3336		3634
3337	sub post_cleanup {	3635	sub post_cleanup {
3338	my ($make_core) = @_;	3636	my ($make_core) = @_;
3339		3637
3340	warn Carp::longmess "post_cleanup backtrace"	3638	warn Carp::longmess "post_cleanup backtrace"
3341	if $make_core;	3639	if $make_core;
		3640
		3641	my $fh = pidfile;
		3642	unlink $PIDFILE if <$fh> == $$;
		3643	}
		3644
		3645	# a safer delete_package, copied from Symbol
		3646	sub clear_package($) {
		3647	my $pkg = shift;
		3648
		3649	# expand to full symbol table name if needed
		3650	unless ($pkg =~ /^main::.*::$/) {
		3651	$pkg = "main$pkg" if $pkg =~ /^::/;
		3652	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3653	$pkg .= '::' unless $pkg =~ /::$/;
		3654	}
		3655
		3656	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3657	my $stem_symtab = *{$stem}{HASH};
		3658
		3659	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3660	or return;
		3661
		3662	# clear all symbols
		3663	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3664	for my $name (keys %$leaf_symtab) {
		3665	_gv_clear *{"$pkg$name"};
		3666	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3667	}
		3668	warn "cleared package $pkg\n";#d#
3342	}	3669	}
3343		3670
3344	sub do_reload_perl() {	3671	sub do_reload_perl() {
3345	# can/must only be called in main	3672	# can/must only be called in main
3346	if ($Coro::current != $Coro::main) {	3673	if ($Coro::current != $Coro::main) {
3347	warn "can only reload from main coroutine";	3674	warn "can only reload from main coroutine";
3348	return;	3675	return;
3349	}	3676	}
3350		3677
		3678	return if $RELOAD++;
		3679
		3680	my $t1 = EV::time;
		3681
		3682	while ($RELOAD) {
3351	warn "reloading...";	3683	warn "reloading...";
3352		3684
3353	warn "entering sync_job";	3685	warn "entering sync_job";
3354		3686
3355	cf::sync_job {	3687	cf::sync_job {
3356	cf::write_runtime; # external watchdog should not bark	3688	cf::write_runtime_sync; # external watchdog should not bark
3357	cf::emergency_save;	3689	cf::emergency_save;
3358	cf::write_runtime; # external watchdog should not bark	3690	cf::write_runtime_sync; # external watchdog should not bark
3359		3691
3360	warn "syncing database to disk";	3692	warn "syncing database to disk";
3361	BDB::db_env_txn_checkpoint $DB_ENV;	3693	BDB::db_env_txn_checkpoint $DB_ENV;
3362		3694
3363	# if anything goes wrong in here, we should simply crash as we already saved	3695	# if anything goes wrong in here, we should simply crash as we already saved
3364		3696
3365	warn "cancelling all WF_AUTOCANCEL watchers";
3366	for (Event::all_watchers) {
3367	$_->cancel if $_->data & WF_AUTOCANCEL;
3368	}
3369
3370	warn "flushing outstanding aio requests";	3697	warn "flushing outstanding aio requests";
3371	for (;;) {
3372	BDB::flush;
3373	IO::AIO::flush;
3374	Coro::cede;
3375	last unless IO::AIO::nreqs || BDB::nreqs;	3698	while (IO::AIO::nreqs || BDB::nreqs) {
3376	warn "iterate...";	3699	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3377	}
3378
3379	++$RELOAD;
3380
3381	warn "cancelling all extension coros";
3382	$_->cancel for values %EXT_CORO;
3383	%EXT_CORO = ();
3384
3385	warn "removing commands";
3386	%COMMAND = ();
3387
3388	warn "removing ext/exti commands";
3389	%EXTCMD = ();
3390	%EXTICMD = ();
3391
3392	warn "unloading/nuking all extensions";
3393	for my $pkg (@EXTS) {
3394	warn "... unloading $pkg";
3395
3396	if (my $cb = $pkg->can ("unload")) {
3397	eval {
3398	$cb->($pkg);
3399	1
3400	} or warn "$pkg unloaded, but with errors: $@";
3401	}	3700	}
3402		3701
3403	warn "... nuking $pkg";	3702	warn "cancelling all extension coros";
3404	Symbol::delete_package $pkg;	3703	$_->cancel for values %EXT_CORO;
3405	}	3704	%EXT_CORO = ();
3406		3705
3407	warn "unloading all perl modules loaded from $LIBDIR";	3706	warn "removing commands";
3408	while (my ($k, $v) = each %INC) {	3707	%COMMAND = ();
3409	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3410		3708
		3709	warn "removing ext/exti commands";
		3710	%EXTCMD = ();
		3711	%EXTICMD = ();
		3712
		3713	warn "unloading/nuking all extensions";
		3714	for my $pkg (@EXTS) {
3411	warn "... unloading $k";	3715	warn "... unloading $pkg";
3412	delete $INC{$k};
3413		3716
3414	$k =~ s/\.pm$//;
3415	$k =~ s/\//::/g;
3416
3417	if (my $cb = $k->can ("unload_module")) {	3717	if (my $cb = $pkg->can ("unload")) {
		3718	eval {
3418	$cb->();	3719	$cb->($pkg);
		3720	1
		3721	} or warn "$pkg unloaded, but with errors: $@";
		3722	}
		3723
		3724	warn "... clearing $pkg";
		3725	clear_package $pkg;
3419	}	3726	}
3420		3727
3421	Symbol::delete_package $k;	3728	warn "unloading all perl modules loaded from $LIBDIR";
		3729	while (my ($k, $v) = each %INC) {
		3730	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3731
		3732	warn "... unloading $k";
		3733	delete $INC{$k};
		3734
		3735	$k =~ s/\.pm$//;
		3736	$k =~ s/\//::/g;
		3737
		3738	if (my $cb = $k->can ("unload_module")) {
		3739	$cb->();
		3740	}
		3741
		3742	clear_package $k;
3422	}	3743	}
3423		3744
3424	warn "getting rid of safe::, as good as possible";	3745	warn "getting rid of safe::, as good as possible";
3425	Symbol::delete_package "safe::$_"	3746	clear_package "safe::$_"
3426	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3747	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3427		3748
3428	warn "unloading cf.pm \"a bit\"";	3749	warn "unloading cf.pm \"a bit\"";
3429	delete $INC{"cf.pm"};	3750	delete $INC{"cf.pm"};
3430	delete $INC{"cf/pod.pm"};	3751	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3431		3752
3432	# don't, removes xs symbols, too,	3753	# don't, removes xs symbols, too,
3433	# and global variables created in xs	3754	# and global variables created in xs
3434	#Symbol::delete_package __PACKAGE__;	3755	#clear_package __PACKAGE__;
3435		3756
3436	warn "unload completed, starting to reload now";	3757	warn "unload completed, starting to reload now";
3437		3758
3438	warn "reloading cf.pm";	3759	warn "reloading cf.pm";
3439	require cf;	3760	require cf;
3440	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3761	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3441		3762
3442	warn "loading config and database again";	3763	warn "loading config and database again";
3443	cf::reload_config;	3764	cf::reload_config;
3444		3765
3445	warn "loading extensions";	3766	warn "loading extensions";
3446	cf::load_extensions;	3767	cf::load_extensions;
3447		3768
		3769	if ($REATTACH_ON_RELOAD) {
3448	warn "reattaching attachments to objects/players";	3770	warn "reattaching attachments to objects/players";
3449	_global_reattach; # objects, sockets	3771	_global_reattach; # objects, sockets
3450	warn "reattaching attachments to maps";	3772	warn "reattaching attachments to maps";
3451	reattach $_ for values %MAP;	3773	reattach $_ for values %MAP;
3452	warn "reattaching attachments to players";	3774	warn "reattaching attachments to players";
3453	reattach $_ for values %PLAYER;	3775	reattach $_ for values %PLAYER;
		3776	}
3454		3777
		3778	warn "running post_init jobs";
		3779	(pop @POST_INIT)->(1) while @POST_INIT;
		3780
3455	warn "leaving sync_job";	3781	warn "leaving sync_job";
3456		3782
3457	1	3783	1
3458	} or do {	3784	} or do {
3459	warn $@;	3785	warn $@;
3460	warn "error while reloading, exiting.";	3786	cf::cleanup "error while reloading, exiting.";
3461	exit 1;
3462	};	3787	};
3463		3788
3464	warn "reloaded";	3789	warn "reloaded";
		3790	--$RELOAD;
		3791	}
		3792
		3793	$t1 = EV::time - $t1;
		3794	warn "reload completed in ${t1}s\n";
3465	};	3795	};
3466		3796
3467	our $RELOAD_WATCHER; # used only during reload	3797	our $RELOAD_WATCHER; # used only during reload
3468		3798
3469	sub reload_perl() {	3799	sub reload_perl() {
3470	# doing reload synchronously and two reloads happen back-to-back,	3800	# doing reload synchronously and two reloads happen back-to-back,
3471	# coro crashes during coro_state_free->destroy here.	3801	# coro crashes during coro_state_free->destroy here.
3472		3802
3473	$RELOAD_WATCHER ||= Event->timer (	3803	$RELOAD_WATCHER ||= cf::async {
3474	reentrant => 0,	3804	Coro::AIO::aio_wait cache_extensions;
3475	after => 0,	3805
3476	data => WF_AUTOCANCEL,	3806	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3477	cb => sub {
3478	do_reload_perl;	3807	do_reload_perl;
3479	undef $RELOAD_WATCHER;	3808	undef $RELOAD_WATCHER;
3480	},	3809	};
3481	);	3810	};
3482	}	3811	}
3483		3812
3484	register_command "reload" => sub {	3813	register_command "reload" => sub {
3485	my ($who, $arg) = @_;	3814	my ($who, $arg) = @_;
3486		3815
…		…
3499		3828
3500	our @WAIT_FOR_TICK;	3829	our @WAIT_FOR_TICK;
3501	our @WAIT_FOR_TICK_BEGIN;	3830	our @WAIT_FOR_TICK_BEGIN;
3502		3831
3503	sub wait_for_tick {	3832	sub wait_for_tick {
3504	return unless $TICK_WATCHER->is_active;
3505	return if $Coro::current == $Coro::main;	3833	return if tick_inhibit || $Coro::current == $Coro::main;
3506		3834
3507	my $signal = new Coro::Signal;	3835	my $signal = new Coro::Signal;
3508	push @WAIT_FOR_TICK, $signal;	3836	push @WAIT_FOR_TICK, $signal;
3509	$signal->wait;	3837	$signal->wait;
3510	}	3838	}
3511		3839
3512	sub wait_for_tick_begin {	3840	sub wait_for_tick_begin {
3513	return unless $TICK_WATCHER->is_active;
3514	return if $Coro::current == $Coro::main;	3841	return if tick_inhibit || $Coro::current == $Coro::main;
3515		3842
3516	my $signal = new Coro::Signal;	3843	my $signal = new Coro::Signal;
3517	push @WAIT_FOR_TICK_BEGIN, $signal;	3844	push @WAIT_FOR_TICK_BEGIN, $signal;
3518	$signal->wait;	3845	$signal->wait;
3519	}	3846	}
3520		3847
3521	$TICK_WATCHER = Event->timer (	3848	sub tick {
3522	reentrant => 0,
3523	parked => 1,
3524	prio => 0,
3525	at => $NEXT_TICK || $TICK,
3526	data => WF_AUTOCANCEL,
3527	cb => sub {
3528	if ($Coro::current != $Coro::main) {	3849	if ($Coro::current != $Coro::main) {
3529	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3850	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3530	unless ++$bug_warning > 10;	3851	unless ++$bug_warning > 10;
3531	return;	3852	return;
3532	}	3853	}
3533		3854
3534	$NOW = $tick_start = Event::time;
3535
3536	cf::server_tick; # one server iteration	3855	cf::server_tick; # one server iteration
3537		3856
3538	$RUNTIME += $TICK;
3539	$NEXT_TICK += $TICK;
3540
3541	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3857	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3542	$NEXT_RUNTIME_WRITE = $NOW + 10;	3858	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3543	Coro::async_pool {	3859	Coro::async_pool {
3544	$Coro::current->{desc} = "runtime saver";	3860	$Coro::current->{desc} = "runtime saver";
3545	write_runtime	3861	write_runtime_sync
3546	or warn "ERROR: unable to write runtime file: $!";	3862	or warn "ERROR: unable to write runtime file: $!";
3547	};
3548	}	3863	};
		3864	}
3549		3865
3550	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3866	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3551	$sig->send;	3867	$sig->send;
3552	}	3868	}
3553	while (my $sig = shift @WAIT_FOR_TICK) {	3869	while (my $sig = shift @WAIT_FOR_TICK) {
3554	$sig->send;	3870	$sig->send;
3555	}	3871	}
3556		3872
3557	$NOW = Event::time;	3873	$LOAD = ($NOW - $TICK_START) / $TICK;
3558
3559	# if we are delayed by four ticks or more, skip them all
3560	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3561
3562	$TICK_WATCHER->at ($NEXT_TICK);
3563	$TICK_WATCHER->start;
3564
3565	$LOAD = ($NOW - $tick_start) / $TICK;
3566	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3874	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3567		3875
3568	_post_tick;	3876	if (0) {
		3877	if ($NEXT_TICK) {
		3878	my $jitter = $TICK_START - $NEXT_TICK;
		3879	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3880	warn "jitter $JITTER\n";#d#
		3881	}
3569	},	3882	}
3570	);	3883	}
3571		3884
3572	{	3885	{
		3886	# configure BDB
		3887
3573	BDB::min_parallel 8;	3888	BDB::min_parallel 8;
3574	BDB::max_poll_time $TICK * 0.1;	3889	BDB::max_poll_reqs $TICK * 0.1;
3575	$BDB_POLL_WATCHER = Event->io (	3890	$AnyEvent::BDB::WATCHER->priority (1);
3576	reentrant => 0,
3577	fd => BDB::poll_fileno,
3578	poll => 'r',
3579	prio => 0,
3580	data => WF_AUTOCANCEL,
3581	cb => \&BDB::poll_cb,
3582	);
3583
3584	BDB::set_sync_prepare {
3585	my $status;
3586	my $current = $Coro::current;
3587	(
3588	sub {
3589	$status = $!;
3590	$current->ready; undef $current;
3591	},
3592	sub {
3593	Coro::schedule while defined $current;
3594	$! = $status;
3595	},
3596	)
3597	};
3598		3891
3599	unless ($DB_ENV) {	3892	unless ($DB_ENV) {
3600	$DB_ENV = BDB::db_env_create;	3893	$DB_ENV = BDB::db_env_create;
3601	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	3894	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3602	| BDB::LOG_AUTOREMOVE, 1);	3895	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3896	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3603	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	3897	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3604	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	3898	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3605		3899
3606	cf::sync_job {	3900	cf::sync_job {
3607	eval {	3901	eval {
…		…
3617		3911
3618	cf::cleanup "db_env_open(db): $@" if $@;	3912	cf::cleanup "db_env_open(db): $@" if $@;
3619	};	3913	};
3620	}	3914	}
3621		3915
3622	$BDB_DEADLOCK_WATCHER = Event->timer (	3916	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3623	after => 3,
3624	interval => 1,
3625	hard => 1,
3626	prio => 0,
3627	data => WF_AUTOCANCEL,
3628	cb => sub {
3629	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };	3917	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3630	},
3631	);	3918	};
3632	$BDB_CHECKPOINT_WATCHER = Event->timer (	3919	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3633	after => 11,
3634	interval => 60,
3635	hard => 1,
3636	prio => 0,
3637	data => WF_AUTOCANCEL,
3638	cb => sub {
3639	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	3920	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3640	},
3641	);	3921	};
3642	$BDB_TRICKLE_WATCHER = Event->timer (	3922	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3643	after => 5,
3644	interval => 10,
3645	hard => 1,
3646	prio => 0,
3647	data => WF_AUTOCANCEL,
3648	cb => sub {
3649	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	3923	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3650	},
3651	);	3924	};
3652	}	3925	}
3653		3926
3654	{	3927	{
		3928	# configure IO::AIO
		3929
3655	IO::AIO::min_parallel 8;	3930	IO::AIO::min_parallel 8;
3656
3657	undef $Coro::AIO::WATCHER;
3658	IO::AIO::max_poll_time $TICK * 0.1;	3931	IO::AIO::max_poll_time $TICK * 0.1;
3659	$AIO_POLL_WATCHER = Event->io (	3932	undef $AnyEvent::AIO::WATCHER;
3660	reentrant => 0,
3661	data => WF_AUTOCANCEL,
3662	fd => IO::AIO::poll_fileno,
3663	poll => 'r',
3664	prio => 0,
3665	cb => \&IO::AIO::poll_cb,
3666	);
3667	}	3933	}
3668		3934
3669	my $_log_backtrace;	3935	my $_log_backtrace;
3670		3936
3671	sub _log_backtrace {	3937	sub _log_backtrace {
…		…
3674	$msg =~ s/\n//;	3940	$msg =~ s/\n//;
3675		3941
3676	# limit the # of concurrent backtraces	3942	# limit the # of concurrent backtraces
3677	if ($_log_backtrace < 2) {	3943	if ($_log_backtrace < 2) {
3678	++$_log_backtrace;	3944	++$_log_backtrace;
		3945	my $perl_bt = Carp::longmess $msg;
3679	async {	3946	async {
3680	$Coro::current->{desc} = "abt $msg";	3947	$Coro::current->{desc} = "abt $msg";
3681		3948
3682	my @bt = fork_call {	3949	my @bt = fork_call {
3683	@addr = map { sprintf "%x", $_ } @addr;	3950	@addr = map { sprintf "%x", $_ } @addr;
…		…
3694	}	3961	}
3695		3962
3696	@funcs	3963	@funcs
3697	};	3964	};
3698		3965
3699	LOG llevInfo, "[ABT] $msg\n";	3966	LOG llevInfo, "[ABT] $perl_bt\n";
		3967	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3700	LOG llevInfo, "[ABT] $_\n" for @bt;	3968	LOG llevInfo, "[ABT] $_\n" for @bt;
3701	--$_log_backtrace;	3969	--$_log_backtrace;
3702	};	3970	};
3703	} else {	3971	} else {
3704	LOG llevInfo, "[ABT] $msg\n";	3972	LOG llevInfo, "[ABT] $msg\n";
3705	LOG llevInfo, "[ABT] [suppressed]\n";	3973	LOG llevInfo, "[ABT] [suppressed]\n";
3706	}	3974	}
3707	}	3975	}
3708		3976
3709	# load additional modules	3977	# load additional modules
3710	use cf::pod;	3978	require "cf/$_.pm" for @EXTRA_MODULES;
3711		3979
3712	END { cf::emergency_save }	3980	END { cf::emergency_save }
3713		3981
3714	1	3982	1
3715		3983

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