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Revision 1.378 by root, Thu Oct 4 11:36:54 2007 UTC vs.
Revision 1.479 by root, Thu Oct 8 05:04:27 2009 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict qw(vars subs);
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
		37	use Guard ();
15	use Coro 3.64 ();	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 2.32 ();	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($$) {
		402	my ($interval, $cb) = @_;
		403
		404	my $start = rand List::Util::min 180, $interval;
		405
		406	EV::periodic $start, $interval, 0, $cb
339	}	407	}
340		408
341	=item cf::get_slot $time[, $priority[, $name]]	409	=item cf::get_slot $time[, $priority[, $name]]
342		410
343	Allocate $time seconds of blocking CPU time at priority C<$priority>:	411	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
373	}	441	}
374	}	442	}
375	}	443	}
376		444
377	if (@SLOT_QUEUE) {	445	if (@SLOT_QUEUE) {
378	# we do not use wait_For_tick() as it returns immediately when tick is inactive	446	# we do not use wait_for_tick() as it returns immediately when tick is inactive
379	push @cf::WAIT_FOR_TICK, $signal;	447	push @cf::WAIT_FOR_TICK, $signal;
380	$signal->wait;	448	$signal->wait;
381	} else {	449	} else {
382	Coro::schedule;	450	Coro::schedule;
383	}	451	}
384	}	452	}
385	};	453	};
386		454
387	sub get_slot($;$$) {	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	# TODO: use suspend/resume instead	502	LOG llevError, Carp::longmess "sync job";#d#
433	# (but this is cancel-safe)	503
434	my $freeze_guard = freeze_mainloop;	504	my $freeze_guard = freeze_mainloop;
435		505
436	my $busy = 1;	506	my $busy = 1;
437	my @res;	507	my @res;
438		508
…		…
442	warn $@ if $@;	512	warn $@ if $@;
443	undef $busy;	513	undef $busy;
444	})->prio (Coro::PRIO_MAX);	514	})->prio (Coro::PRIO_MAX);
445		515
446	while ($busy) {	516	while ($busy) {
447	Coro::cede or Event::one_event;	517	if (Coro::nready) {
		518	Coro::cede_notself;
		519	} else {
		520	EV::loop EV::LOOP_ONESHOT;
448	}	521	}
		522	}
449		523
450	$time = Event::time - $time;	524	my $time = EV::time - $time;
451		525
452	LOG llevError | logBacktrace, Carp::longmess "long sync job"
453	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
454
455	$tick_start += $time; # do not account sync jobs to server load	526	$TICK_START += $time; # do not account sync jobs to server load
456		527
457	wantarray ? @res : $res[0]	528	wantarray ? @res : $res[0]
458	} else {	529	} else {
459	# we are in another coroutine, how wonderful, everything just works	530	# we are in another coroutine, how wonderful, everything just works
460		531
…		…
485	=item fork_call { }, $args	556	=item fork_call { }, $args
486		557
487	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
488	process, returning the results. Everything must be serialisable with	559	process, returning the results. Everything must be serialisable with
489	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
490	never block itself or use any form of Event handling.	561	never block itself or use any form of event handling.
491		562
492	=cut	563	=cut
493		564
494	sub fork_call(&@) {	565	sub fork_call(&@) {
495	my ($cb, @args) = @_;	566	my ($cb, @args) = @_;
…		…
502	reset_signals;	573	reset_signals;
503	&$cb	574	&$cb
504	}, @args;	575	}, @args;
505		576
506	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
507	}	605	}
508		606
509	=item $value = cf::db_get $family => $key	607	=item $value = cf::db_get $family => $key
510		608
511	Returns a single value from the environment database.	609	Returns a single value from the environment database.
…		…
650		748
651	#############################################################################	749	#############################################################################
652		750
653	=head2 ATTACHABLE OBJECTS	751	=head2 ATTACHABLE OBJECTS
654		752
655	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
656	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")
657	to it. All such attachable objects support the following methods.	755	to it. All such attachable objects support the following methods.
658		756
659	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>
660	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
661	Crossfire TRT).	759	Deliantra).
662		760
663	=over 4	761	=over 4
664		762
665	=item $attachable->attach ($attachment, key => $value...)	763	=item $attachable->attach ($attachment, key => $value...)
666		764
…		…
710	=item cf::CLASS::attachment $name, ...	808	=item cf::CLASS::attachment $name, ...
711		809
712	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
713	given CLASS can refer to this attachment.	811	given CLASS can refer to this attachment.
714		812
715	Some classes such as crossfire maps and objects can specify attachments	813	Some classes such as deliantra maps and objects can specify attachments
716	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.
717		815
718	These calls expect any number of the following handler/hook descriptions:	816	These calls expect any number of the following handler/hook descriptions:
719		817
720	=over 4	818	=over 4
…		…
948	}	1046	}
949		1047
950	0	1048	0
951	}	1049	}
952		1050
953	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1051	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
954		1052
955	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1053	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
956		1054
957	Generate an object-specific event with the given arguments.	1055	Generate an object-specific event with the given arguments.
958		1056
…		…
964		1062
965	=cut	1063	=cut
966		1064
967	#############################################################################	1065	#############################################################################
968	# object support	1066	# object support
969	#
970		1067
		1068	sub _object_equal($$);
		1069	sub _object_equal($$) {
		1070	my ($a, $b) = @_;
		1071
		1072	return 0 unless (ref $a) eq (ref $b);
		1073
		1074	if ("HASH" eq ref $a) {
		1075	my @ka = keys %$a;
		1076	my @kb = keys %$b;
		1077
		1078	return 0 if @ka != @kb;
		1079
		1080	for (0 .. $#ka) {
		1081	return 0 unless $ka[$_] eq $kb[$_];
		1082	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1083	}
		1084
		1085	} elsif ("ARRAY" eq ref $a) {
		1086
		1087	return 0 if @$a != @$b;
		1088
		1089	for (0 .. $#$a) {
		1090	return 0 unless _object_equal $a->[$_], $b->[$_];
		1091	}
		1092
		1093	} elsif ($a ne $b) {
		1094	return 0;
		1095	}
		1096
		1097	1
		1098	}
		1099
		1100	our $SLOW_MERGES;#d#
971	sub _can_merge {	1101	sub _can_merge {
972	my ($ob1, $ob2) = @_;	1102	my ($ob1, $ob2) = @_;
973		1103
974	local $Storable::canonical = 1;	1104	++$SLOW_MERGES;#d#
975	my $fob1 = Storable::freeze $ob1;
976	my $fob2 = Storable::freeze $ob2;
977		1105
978	$fob1 eq $fob2	1106	# we do the slow way here
		1107	return _object_equal $ob1, $ob2
979	}	1108	}
980		1109
981	sub reattach {	1110	sub reattach {
982	# basically do the same as instantiate, without calling instantiate	1111	# basically do the same as instantiate, without calling instantiate
983	my ($obj) = @_;	1112	my ($obj) = @_;
984		1113
		1114	# no longer needed after getting rid of delete_package?
985	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
986		1116
987	my $registry = $obj->registry;	1117	my $registry = $obj->registry;
988		1118
989	@$registry = ();	1119	@$registry = ();
990		1120
…		…
1005	cf::attachable->attach (	1135	cf::attachable->attach (
1006	prio => -1000000,	1136	prio => -1000000,
1007	on_instantiate => sub {	1137	on_instantiate => sub {
1008	my ($obj, $data) = @_;	1138	my ($obj, $data) = @_;
1009		1139
1010	$data = from_json $data;	1140	$data = decode_json $data;
1011		1141
1012	for (@$data) {	1142	for (@$data) {
1013	my ($name, $args) = @$_;	1143	my ($name, $args) = @$_;
1014		1144
1015	$obj->attach ($name, %{$args || {} });	1145	$obj->attach ($name, %{$args || {} });
…		…
1036	utf8::decode (my $decname = $filename);	1166	utf8::decode (my $decname = $filename);
1037	warn sprintf "saving %s (%d,%d)\n",	1167	warn sprintf "saving %s (%d,%d)\n",
1038	$decname, length $$rdata, scalar @$objs;	1168	$decname, length $$rdata, scalar @$objs;
1039		1169
1040	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1170	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1041	chmod SAVE_MODE, $fh;	1171	aio_chmod $fh, SAVE_MODE;
1042	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1172	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1043	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	}
1044	close $fh;	1177	aio_close $fh;
1045		1178
1046	if (@$objs) {	1179	if (@$objs) {
1047	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) {
1048	chmod SAVE_MODE, $fh;	1181	aio_chmod $fh, SAVE_MODE;
1049	my $data = Storable::nfreeze { version => 1, objs => $objs };	1182	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1050	aio_write $fh, 0, (length $data), $data, 0;	1183	aio_write $fh, 0, (length $data), $data, 0;
1051	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	}
1052	close $fh;	1188	aio_close $fh;
1053	aio_rename "$filename.pst~", "$filename.pst";	1189	aio_rename "$filename.pst~", "$filename.pst";
1054	}	1190	}
1055	} else {	1191	} else {
1056	aio_unlink "$filename.pst";	1192	aio_unlink "$filename.pst";
1057	}	1193	}
1058		1194
1059	aio_rename "$filename~", $filename;	1195	aio_rename "$filename~", $filename;
		1196
		1197	$filename =~ s%/[^/]+$%%;
		1198	aio_pathsync $filename if $cf::USE_FSYNC;
1060	} else {	1199	} else {
1061	warn "FATAL: $filename~: $!\n";	1200	warn "unable to save objects: $filename~: $!\n";
1062	}	1201	}
1063	} else {	1202	} else {
1064	aio_unlink $filename;	1203	aio_unlink $filename;
1065	aio_unlink "$filename.pst";	1204	aio_unlink "$filename.pst";
1066	}	1205	}
…		…
1085		1224
1086	unless (aio_stat "$filename.pst") {	1225	unless (aio_stat "$filename.pst") {
1087	(aio_load "$filename.pst", $av) >= 0	1226	(aio_load "$filename.pst", $av) >= 0
1088	or return;	1227	or return;
1089		1228
1090	$av = eval { (Storable::thaw $av)->{objs} };	1229	my $st = eval { Coro::Storable::thaw $av };
		1230	$av = $st->{objs};
1091	}	1231	}
1092		1232
1093	utf8::decode (my $decname = $filename);	1233	utf8::decode (my $decname = $filename);
1094	warn sprintf "loading %s (%d,%d)\n",	1234	warn sprintf "loading %s (%d,%d)\n",
1095	$decname, length $data, scalar @{$av || []};	1235	$decname, length $data, scalar @{$av || []};
…		…
1156	my ($name, $cb) = @_;	1296	my ($name, $cb) = @_;
1157		1297
1158	$EXTICMD{$name} = $cb;	1298	$EXTICMD{$name} = $cb;
1159	}	1299	}
1160		1300
		1301	use File::Glob ();
		1302
1161	cf::player->attach (	1303	cf::player->attach (
1162	on_command => sub {	1304	on_command => sub {
1163	my ($pl, $name, $params) = @_;	1305	my ($pl, $name, $params) = @_;
1164		1306
1165	my $cb = $COMMAND{$name}	1307	my $cb = $COMMAND{$name}
…		…
1197		1339
1198	cf::override;	1340	cf::override;
1199	},	1341	},
1200	);	1342	);
1201		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
1202	sub load_extensions {	1357	sub load_extensions {
1203	cf::sync_job {	1358	cf::sync_job {
1204	my %todo;	1359	my %todo;
1205		1360
1206	for my $path (<$LIBDIR/*.ext>) {	1361	for my $path (<$LIBDIR/*.ext>) {
…		…
1225		1380
1226	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1381	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1227	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1382	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1228		1383
1229	$ext{source} =	1384	$ext{source} =
1230	"package $pkg; use strict; use utf8;\n"	1385	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1231	. "#line 1 \"$path\"\n{\n"	1386	. "#line 1 \"$path\"\n{\n"
1232	. $source	1387	. $source
1233	. "\n};\n1";	1388	. "\n};\n1";
1234		1389
1235	$todo{$base} = \%ext;	1390	$todo{$base} = \%ext;
…		…
1251	my $msg = $@ ? "$v->{path}: $@\n"	1406	my $msg = $@ ? "$v->{path}: $@\n"
1252	: "$v->{base}: extension inactive.\n";	1407	: "$v->{base}: extension inactive.\n";
1253		1408
1254	if (exists $v->{meta}{mandatory}) {	1409	if (exists $v->{meta}{mandatory}) {
1255	warn $msg;	1410	warn $msg;
1256	warn "mandatory extension failed to load, exiting.\n";	1411	cf::cleanup "mandatory extension failed to load, exiting.";
1257	exit 1;
1258	}	1412	}
1259		1413
1260	warn $msg;	1414	warn $msg;
1261	}	1415	}
1262		1416
…		…
1276		1430
1277	=back	1431	=back
1278		1432
1279	=head2 CORE EXTENSIONS	1433	=head2 CORE EXTENSIONS
1280		1434
1281	Functions and methods that extend core crossfire objects.	1435	Functions and methods that extend core deliantra objects.
1282		1436
1283	=cut	1437	=cut
1284		1438
1285	package cf::player;	1439	package cf::player;
1286		1440
…		…
1329		1483
1330	sub exists($) {	1484	sub exists($) {
1331	my ($login) = @_;	1485	my ($login) = @_;
1332		1486
1333	$cf::PLAYER{$login}	1487	$cf::PLAYER{$login}
1334	or cf::sync_job { !aio_stat path $login }	1488	or !aio_stat path $login
1335	}	1489	}
1336		1490
1337	sub find($) {	1491	sub find($) {
1338	return $cf::PLAYER{$_[0]} || do {	1492	return $cf::PLAYER{$_[0]} || do {
1339	my $login = $_[0];	1493	my $login = $_[0];
…		…
1351	my $f = new_from_file cf::object::thawer path $login	1505	my $f = new_from_file cf::object::thawer path $login
1352	or return;	1506	or return;
1353		1507
1354	my $pl = cf::player::load_pl $f	1508	my $pl = cf::player::load_pl $f
1355	or return;	1509	or return;
		1510
1356	local $cf::PLAYER_LOADING{$login} = $pl;	1511	local $cf::PLAYER_LOADING{$login} = $pl;
1357	$f->resolve_delayed_derefs;	1512	$f->resolve_delayed_derefs;
1358	$cf::PLAYER{$login} = $pl	1513	$cf::PLAYER{$login} = $pl
1359	}	1514	}
1360	}	1515	}
…		…
1370		1525
1371	return if $pl->{deny_save};	1526	return if $pl->{deny_save};
1372		1527
1373	aio_mkdir playerdir $pl, 0770;	1528	aio_mkdir playerdir $pl, 0770;
1374	$pl->{last_save} = $cf::RUNTIME;	1529	$pl->{last_save} = $cf::RUNTIME;
		1530
		1531	cf::get_slot 0.01;
1375		1532
1376	$pl->save_pl ($path);	1533	$pl->save_pl ($path);
1377	cf::cede_to_tick;	1534	cf::cede_to_tick;
1378	}	1535	}
1379		1536
…		…
1411	my ($pl) = @_;	1568	my ($pl) = @_;
1412		1569
1413	my $name = $pl->ob->name;	1570	my $name = $pl->ob->name;
1414		1571
1415	$pl->{deny_save} = 1;	1572	$pl->{deny_save} = 1;
1416	$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
1417		1574
1418	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1575	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1419	$pl->deactivate;	1576	$pl->deactivate;
		1577	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1578	$pl->ob->check_score;
1420	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1579	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1421	$pl->ns->destroy if $pl->ns;	1580	$pl->ns->destroy if $pl->ns;
1422		1581
1423	my $path = playerdir $pl;	1582	my $path = playerdir $pl;
1424	my $temp = "$path~$cf::RUNTIME~deleting~";	1583	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1463		1622
1464	for my $login (@$dirs) {	1623	for my $login (@$dirs) {
1465	my $path = path $login;	1624	my $path = path $login;
1466		1625
1467	# a .pst is a dead give-away for a valid player	1626	# a .pst is a dead give-away for a valid player
1468	unless (-e "$path.pst") {	1627	# if no pst file found, open and chekc for blocked users
		1628	if (aio_stat "$path.pst") {
1469	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1629	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1470	aio_read $fh, 0, 512, my $buf, 0 or next;	1630	aio_read $fh, 0, 512, my $buf, 0 or next;
1471	$buf !~ /^password -------------$/m or next; # official not-valid tag	1631	$buf !~ /^password -------------$/m or next; # official not-valid tag
1472	}	1632	}
1473		1633
…		…
1504	}	1664	}
1505		1665
1506	\@paths	1666	\@paths
1507	}	1667	}
1508		1668
1509	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1669	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1510		1670
1511	Expand crossfire pod fragments into protocol xml.	1671	Expand deliantra pod fragments into protocol xml.
1512
1513	=cut
1514
1515	sub expand_cfpod {
1516	((my $self), (local $_)) = @_;
1517
1518	# escape & and <
1519	s/&/&amp;/g;
1520	s/(?<![BIUGHT])</&lt;/g;
1521
1522	# this is buggy, it needs to properly take care of nested <'s
1523
1524	1 while
1525	# replace B<>, I<>, U<> etc.
1526	s/B<([^\>]*)>/<b>$1<\/b>/
1527	|| s/I<([^\>]*)>/<i>$1<\/i>/
1528	|| s/U<([^\>]*)>/<u>$1<\/u>/
1529	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1530	# replace G<male|female> tags
1531	|| s{G<([^>|]*)\|([^>]*)>}{
1532	$self->gender ? $2 : $1
1533	}ge
1534	# replace H<hint text>
1535	|| s{H<([^\>]*)>}
1536	{
1537	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1538	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1539	"")
1540	[$self->{hintmode}]
1541	}ge;
1542
1543	# create single paragraphs (very hackish)
1544	s/(?<=\S)\n(?=\w)/ /g;
1545
1546	# compress some whitespace
1547	s/\s+\n/\n/g; # ws line-ends
1548	s/\n\n+/\n/g; # double lines
1549	s/^\n+//; # beginning lines
1550	s/\n+$//; # ending lines
1551
1552	$_
1553	}
1554
1555	sub hintmode {
1556	$_[0]{hintmode} = $_[1] if @_ > 1;
1557	$_[0]{hintmode}
1558	}
1559		1672
1560	=item $player->ext_reply ($msgid, @msg)	1673	=item $player->ext_reply ($msgid, @msg)
1561		1674
1562	Sends an ext reply to the player.	1675	Sends an ext reply to the player.
1563		1676
…		…
1630	our $MAX_RESET = 3600;	1743	our $MAX_RESET = 3600;
1631	our $DEFAULT_RESET = 3000;	1744	our $DEFAULT_RESET = 3000;
1632		1745
1633	sub generate_random_map {	1746	sub generate_random_map {
1634	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
1635	# mit "rum" bekleckern, nicht	1751	# mit "rum" bekleckern, nicht
1636	$self->_create_random_map (	1752	$self->_create_random_map (
1637	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1753	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1638	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1754	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1639	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1755	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1761		1877
1762	# the temporary/swap location	1878	# the temporary/swap location
1763	sub save_path {	1879	sub save_path {
1764	my ($self) = @_;	1880	my ($self) = @_;
1765		1881
1766	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1882	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1767	"$TMPDIR/$path.map"	1883	"$TMPDIR/$path.map"
1768	}	1884	}
1769		1885
1770	# the unique path, undef == no special unique path	1886	# the unique path, undef == no special unique path
1771	sub uniq_path {	1887	sub uniq_path {
1772	my ($self) = @_;	1888	my ($self) = @_;
1773		1889
1774	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1890	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1775	"$UNIQUEDIR/$path"	1891	"$UNIQUEDIR/$path"
1776	}
1777
1778	# and all this just because we cannot iterate over
1779	# all maps in C++...
1780	sub change_all_map_light {
1781	my ($change) = @_;
1782
1783	$_->change_map_light ($change)
1784	for grep $_->outdoor, values %cf::MAP;
1785	}	1892	}
1786		1893
1787	sub decay_objects {	1894	sub decay_objects {
1788	my ($self) = @_;	1895	my ($self) = @_;
1789		1896
…		…
1873	sub find {	1980	sub find {
1874	my ($path, $origin) = @_;	1981	my ($path, $origin) = @_;
1875		1982
1876	$path = normalise $path, $origin && $origin->path;	1983	$path = normalise $path, $origin && $origin->path;
1877		1984
1878	cf::lock_wait "map_data:$path";#d#remove	1985	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1879	cf::lock_wait "map_find:$path";	1986	my $guard2 = cf::lock_acquire "map_find:$path";
1880		1987
1881	$cf::MAP{$path} || do {	1988	$cf::MAP{$path} || do {
1882	my $guard1 = cf::lock_acquire "map_find:$path";
1883	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1884
1885	my $map = new_from_path cf::map $path	1989	my $map = new_from_path cf::map $path
1886	or return;	1990	or return;
1887		1991
1888	$map->{last_save} = $cf::RUNTIME;	1992	$map->{last_save} = $cf::RUNTIME;
1889		1993
…		…
1891	or return;	1995	or return;
1892		1996
1893	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1997	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1894	# doing this can freeze the server in a sync job, obviously	1998	# doing this can freeze the server in a sync job, obviously
1895	#$cf::WAIT_FOR_TICK->wait;	1999	#$cf::WAIT_FOR_TICK->wait;
		2000	undef $guard2;
1896	undef $guard1;	2001	undef $guard1;
1897	undef $guard2;
1898	$map->reset;	2002	$map->reset;
1899	return find $path;	2003	return find $path;
1900	}	2004	}
1901		2005
1902	$cf::MAP{$path} = $map	2006	$cf::MAP{$path} = $map
…		…
1929	my $f = new_from_file cf::object::thawer $self->{load_path};	2033	my $f = new_from_file cf::object::thawer $self->{load_path};
1930	$f->skip_block;	2034	$f->skip_block;
1931	$self->_load_objects ($f)	2035	$self->_load_objects ($f)
1932	or return;	2036	or return;
1933		2037
1934	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2038	$self->post_load_original
1935	if delete $self->{load_original};	2039	if delete $self->{load_original};
1936		2040
1937	if (my $uniq = $self->uniq_path) {	2041	if (my $uniq = $self->uniq_path) {
1938	utf8::encode $uniq;	2042	utf8::encode $uniq;
1939	unless (aio_stat $uniq) {	2043	unless (aio_stat $uniq) {
…		…
1957	unless ($self->{deny_activate}) {	2061	unless ($self->{deny_activate}) {
1958	$self->decay_objects;	2062	$self->decay_objects;
1959	$self->fix_auto_apply;	2063	$self->fix_auto_apply;
1960	$self->update_buttons;	2064	$self->update_buttons;
1961	cf::cede_to_tick;	2065	cf::cede_to_tick;
1962	$self->set_darkness_map;
1963	cf::cede_to_tick;
1964	$self->activate;	2066	$self->activate;
1965	}	2067	}
1966		2068
1967	$self->{last_save} = $cf::RUNTIME;	2069	$self->{last_save} = $cf::RUNTIME;
1968	$self->last_access ($cf::RUNTIME);	2070	$self->last_access ($cf::RUNTIME);
1969		2071
1970	$self->in_memory (cf::MAP_IN_MEMORY);	2072	$self->in_memory (cf::MAP_ACTIVE);
1971	}	2073	}
1972		2074
1973	$self->post_load;	2075	$self->post_load;
1974	}	2076	}
1975		2077
…		…
2033	my ($path, $origin, $load) = @_;	2135	my ($path, $origin, $load) = @_;
2034		2136
2035	$path = normalise $path, $origin && $origin->{path};	2137	$path = normalise $path, $origin && $origin->{path};
2036		2138
2037	if (my $map = $cf::MAP{$path}) {	2139	if (my $map = $cf::MAP{$path}) {
2038	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2140	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2039	}	2141	}
2040		2142
2041	$MAP_PREFETCH{$path} |= $load;	2143	$MAP_PREFETCH{$path} |= $load;
2042		2144
2043	$MAP_PREFETCHER ||= cf::async {	2145	$MAP_PREFETCHER ||= cf::async {
…		…
2080	cf::async {	2182	cf::async {
2081	$Coro::current->{desc} = "map player save";	2183	$Coro::current->{desc} = "map player save";
2082	$_->contr->save for $self->players;	2184	$_->contr->save for $self->players;
2083	};	2185	};
2084		2186
		2187	cf::get_slot 0.02;
		2188
2085	if ($uniq) {	2189	if ($uniq) {
2086	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2190	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2087	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2191	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2088	} else {	2192	} else {
2089	$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);
…		…
2097	$self->save;	2201	$self->save;
2098		2202
2099	my $lock = cf::lock_acquire "map_data:$self->{path}";	2203	my $lock = cf::lock_acquire "map_data:$self->{path}";
2100		2204
2101	return if $self->players;	2205	return if $self->players;
2102	return if $self->in_memory != cf::MAP_IN_MEMORY;	2206	return if $self->in_memory != cf::MAP_ACTIVE;
2103	return if $self->{deny_save};	2207	return if $self->{deny_save};
2104		2208
2105	$self->in_memory (cf::MAP_SWAPPED);	2209	$self->in_memory (cf::MAP_SWAPPED);
2106		2210
2107	$self->deactivate;	2211	$self->deactivate;
…		…
2132		2236
2133	my $lock = cf::lock_acquire "map_data:$self->{path}";	2237	my $lock = cf::lock_acquire "map_data:$self->{path}";
2134		2238
2135	return if $self->players;	2239	return if $self->players;
2136		2240
2137	warn "resetting map ", $self->path;	2241	warn "resetting map ", $self->path, "\n";
2138		2242
2139	$self->in_memory (cf::MAP_SWAPPED);	2243	$self->in_memory (cf::MAP_SWAPPED);
2140		2244
2141	# need to save uniques path	2245	# need to save uniques path
2142	unless ($self->{deny_save}) {	2246	unless ($self->{deny_save}) {
…		…
2225		2329
2226	sub unique_maps() {	2330	sub unique_maps() {
2227	[	2331	[
2228	map {	2332	map {
2229	utf8::decode $_;	2333	utf8::decode $_;
2230	/\.map$/	2334	s/\.map$//; # TODO future compatibility hack
		2335	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2336	? ()
2231	? normalise $_	2337	: normalise $_
2232	: ()
2233	} @{ aio_readdir $UNIQUEDIR or [] }	2338	} @{ aio_readdir $UNIQUEDIR or [] }
2234	]	2339	]
2235	}	2340	}
2236		2341
2237	package cf;
2238
2239	=back	2342	=back
2240		2343
2241	=head3 cf::object	2344	=head3 cf::object
2242		2345
2243	=cut	2346	=cut
…		…
2246		2349
2247	=over 4	2350	=over 4
2248		2351
2249	=item $ob->inv_recursive	2352	=item $ob->inv_recursive
2250		2353
2251	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.
2252		2356
2253	=cut	2357	=cut
2254		2358
2255	sub inv_recursive_;	2359	sub inv_recursive_;
2256	sub inv_recursive_ {	2360	sub inv_recursive_ {
…		…
2261	inv_recursive_ inv $_[0]	2365	inv_recursive_ inv $_[0]
2262	}	2366	}
2263		2367
2264	=item $ref = $ob->ref	2368	=item $ref = $ob->ref
2265		2369
2266	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.
2267		2371
2268	=item $ob = cf::object::deref ($refstring)	2372	=item $ob = cf::object::deref ($refstring)
2269		2373
2270	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,
2271	even if the object actually exists. May block.	2375	even if the object actually exists. May block.
…		…
2303	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
2304	dialogue with the given NPC character.	2408	dialogue with the given NPC character.
2305		2409
2306	=cut	2410	=cut
2307		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
2308	# rough implementation of a future "reply" method that works	2426	# rough implementation of a future "reply" method that works
2309	# with dialog boxes.	2427	# with dialog boxes.
2310	#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
2311	sub cf::object::player::reply($$$;$) {	2429	sub cf::object::player::reply($$$;$) {
2312	my ($self, $npc, $msg, $flags) = @_;	2430	my ($self, $npc, $msg, $flags) = @_;
…		…
2323	my $dialog = $pl->{npc_dialog};	2441	my $dialog = $pl->{npc_dialog};
2324	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2442	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2325		2443
2326	} else {	2444	} else {
2327	$msg = $npc->name . " says: $msg" if $npc;	2445	$msg = $npc->name . " says: $msg" if $npc;
2328	$self->message ($msg, $flags);	2446	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2329	}	2447	}
2330	}	2448	}
2331	}	2449	}
2332		2450
2333	=item $object->send_msg ($channel, $msg, $color, [extra...])	2451	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2358		2476
2359	=item $player_object->enter_link	2477	=item $player_object->enter_link
2360		2478
2361	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}>).
2362		2480
2363	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.
2364	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.
2365		2485
2366	Will never block.	2486	Will never block.
2367		2487
2368	=item $player_object->leave_link ($map, $x, $y)	2488	=item $player_object->leave_link ($map, $x, $y)
2369		2489
…		…
2427		2547
2428	$map->load;	2548	$map->load;
2429	$map->load_neighbours;	2549	$map->load_neighbours;
2430		2550
2431	return unless $self->contr->active;	2551	return unless $self->contr->active;
2432	$self->activate_recursive;
2433		2552
2434	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2553	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2435	$self->enter_map ($map, $x, $y);	2554	$self->enter_map ($map, $x, $y);
		2555
		2556	# only activate afterwards, to support waiting in hooks
		2557	$self->activate_recursive;
2436	}	2558	}
2437		2559
2438	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2560	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2439		2561
2440	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
2441	her, loading and preparing them map, calling the provided $check callback	2563	her, loading and preparing them map, calling the provided $check callback
2442	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
2443	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
2444	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 >>.
2445		2570
2446	=cut	2571	=cut
2447		2572
2448	our $GOTOGEN;	2573	our $GOTOGEN;
2449		2574
…		…
2528	}	2653	}
2529		2654
2530	sub prepare_random_map {	2655	sub prepare_random_map {
2531	my ($exit) = @_;	2656	my ($exit) = @_;
2532		2657
2533	my $guard = cf::lock_acquire "exit_prepare:$exit";
2534
2535	# all this does is basically replace the /! path by	2658	# all this does is basically replace the /! path by
2536	# a new random map path (?random/...) with a seed	2659	# a new random map path (?random/...) with a seed
2537	# that depends on the exit object	2660	# that depends on the exit object
2538		2661
2539	my $rmp = parse_random_map_params $exit->msg;	2662	my $rmp = parse_random_map_params $exit->msg;
…		…
2541	if ($exit->map) {	2664	if ($exit->map) {
2542	$rmp->{region} = $exit->region->name;	2665	$rmp->{region} = $exit->region->name;
2543	$rmp->{origin_map} = $exit->map->path;	2666	$rmp->{origin_map} = $exit->map->path;
2544	$rmp->{origin_x} = $exit->x;	2667	$rmp->{origin_x} = $exit->x;
2545	$rmp->{origin_y} = $exit->y;	2668	$rmp->{origin_y} = $exit->y;
		2669
		2670	$exit->map->touch;
2546	}	2671	}
2547		2672
2548	$rmp->{random_seed} ||= $exit->random_seed;	2673	$rmp->{random_seed} ||= $exit->random_seed;
2549		2674
2550	my $data = cf::to_json $rmp;	2675	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2551	my $md5 = Digest::MD5::md5_hex $data;	2676	my $md5 = Digest::MD5::md5_hex $data;
2552	my $meta = "$RANDOMDIR/$md5.meta";	2677	my $meta = "$RANDOMDIR/$md5.meta";
2553		2678
2554	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2679	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2555	aio_write $fh, 0, (length $data), $data, 0;	2680	aio_write $fh, 0, (length $data), $data, 0;
2556	undef $fh;	2681	undef $fh;
2557	aio_rename "$meta~", $meta;	2682	aio_rename "$meta~", $meta;
2558		2683
		2684	my $slaying = "?random/$md5";
		2685
		2686	if ($exit->valid) {
2559	$exit->slaying ("?random/$md5");	2687	$exit->slaying ("?random/$md5");
2560	$exit->msg (undef);	2688	$exit->msg (undef);
		2689	}
2561	}	2690	}
2562	}	2691	}
2563		2692
2564	sub cf::object::player::enter_exit {	2693	sub cf::object::player::enter_exit {
2565	my ($self, $exit) = @_;	2694	my ($self, $exit) = @_;
2566		2695
2567	return unless $self->type == cf::PLAYER;	2696	return unless $self->type == cf::PLAYER;
2568		2697
2569	if ($exit->slaying eq "/!") {
2570	#TODO: this should de-fi-ni-te-ly not be a sync-job
2571	# the problem is that $exit might not survive long enough
2572	# so it needs to be done right now, right here
2573	cf::sync_job { prepare_random_map $exit };
2574	}
2575
2576	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2577	my $hp = $exit->stats->hp;
2578	my $sp = $exit->stats->sp;
2579
2580	$self->enter_link;	2698	$self->enter_link;
2581		2699
2582	# if exit is damned, update players death & WoR home-position
2583	$self->contr->savebed ($slaying, $hp, $sp)
2584	if $exit->flag (FLAG_DAMNED);
2585
2586	(async {	2700	(async {
2587	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2701	$Coro::current->{desc} = "enter_exit";
2588		2702
2589	$self->deactivate_recursive; # just to be sure
2590	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
2591	$self->goto ($slaying, $hp, $sp);	2718	$self->goto ($map, $x, $y);
2592		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
2593	1;	2724	1
2594	}) {	2725	}) {
2595	$self->message ("Something went wrong deep within the crossfire server. "	2726	$self->message ("Something went wrong deep within the deliantra server. "
2596	. "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. "
2597	. "Please report this to the dungeon master!",	2728	. "Please report this to the dungeon master!",
2598	cf::NDI_UNIQUE | cf::NDI_RED);	2729	cf::NDI_UNIQUE | cf::NDI_RED);
2599		2730
2600	warn "ERROR in enter_exit: $@";	2731	warn "ERROR in enter_exit: $@";
…		…
2628	the message, with C<log> being the default. If C<$color> is negative, suppress	2759	the message, with C<log> being the default. If C<$color> is negative, suppress
2629	the message unless the client supports the msg packet.	2760	the message unless the client supports the msg packet.
2630		2761
2631	=cut	2762	=cut
2632		2763
		2764	# non-persistent channels (usually the info channel)
2633	our %CHANNEL = (	2765	our %CHANNEL = (
2634	"c/identify" => {	2766	"c/identify" => {
2635	id => "infobox",	2767	id => "infobox",
2636	title => "Identify",	2768	title => "Identify",
2637	reply => undef,	2769	reply => undef,
…		…
2641	id => "infobox",	2773	id => "infobox",
2642	title => "Examine",	2774	title => "Examine",
2643	reply => undef,	2775	reply => undef,
2644	tooltip => "Signs and other items you examined",	2776	tooltip => "Signs and other items you examined",
2645	},	2777	},
		2778	"c/book" => {
		2779	id => "infobox",
		2780	title => "Book",
		2781	reply => undef,
		2782	tooltip => "The contents of a note or book",
		2783	},
2646	"c/lookat" => {	2784	"c/lookat" => {
2647	id => "infobox",	2785	id => "infobox",
2648	title => "Look",	2786	title => "Look",
2649	reply => undef,	2787	reply => undef,
2650	tooltip => "What you saw there",	2788	tooltip => "What you saw there",
2651	},	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" => $CHAT_CHANNEL,
2652	);	2864	);
2653		2865
2654	sub cf::client::send_msg {	2866	sub cf::client::send_msg {
2655	my ($self, $channel, $msg, $color, @extra) = @_;	2867	my ($self, $channel, $msg, $color, @extra) = @_;
2656		2868
2657	$msg = $self->pl->expand_cfpod ($msg);	2869	$msg = $self->pl->expand_cfpod ($msg)
		2870	unless $color & cf::NDI_VERBATIM;
2658		2871
2659	$color &= cf::NDI_CLIENT_MASK; # just in case...	2872	$color &= cf::NDI_CLIENT_MASK; # just in case...
2660		2873
2661	# check predefined channels, for the benefit of C	2874	# check predefined channels, for the benefit of C
2662	if ($CHANNEL{$channel}) {	2875	if ($CHANNEL{$channel}) {
2663	$channel = $CHANNEL{$channel};	2876	$channel = $CHANNEL{$channel};
2664		2877
2665	$self->ext_msg (channel_info => $channel)	2878	$self->ext_msg (channel_info => $channel);
2666	if $self->can_msg;
2667
2668	$channel = $channel->{id};	2879	$channel = $channel->{id};
2669		2880
2670	} elsif (ref $channel) {	2881	} elsif (ref $channel) {
2671	# send meta info to client, if not yet sent	2882	# send meta info to client, if not yet sent
2672	unless (exists $self->{channel}{$channel->{id}}) {	2883	unless (exists $self->{channel}{$channel->{id}}) {
2673	$self->{channel}{$channel->{id}} = $channel;	2884	$self->{channel}{$channel->{id}} = $channel;
2674	$self->ext_msg (channel_info => $channel)	2885	$self->ext_msg (channel_info => $channel);
2675	if $self->can_msg;
2676	}	2886	}
2677		2887
2678	$channel = $channel->{id};	2888	$channel = $channel->{id};
2679	}	2889	}
2680		2890
2681	return unless @extra || length $msg;	2891	return unless @extra || length $msg;
2682		2892
2683	if ($self->can_msg) {
2684	# default colour, mask it out	2893	# default colour, mask it out
2685	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2894	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2686	if $color & cf::NDI_DEF;	2895	if $color & cf::NDI_DEF;
2687		2896
2688	$self->send_packet ("msg " . $self->{json_coder}->encode (	2897	my $pkt = "msg "
		2898	. $self->{json_coder}->encode (
2689	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2899	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2690	} else {	2900	);
2691	if ($color >= 0) {
2692	# replace some tags by gcfclient-compatible ones
2693	for ($msg) {
2694	1 while
2695	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2696	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2697	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2698	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2699	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2700	}
2701		2901
2702	$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};
2703		2905
2704	utf8::encode $msg;	2906	# split very large packets
2705		2907	if (8192 < length $pkt and $self->{can_lzf}) {
2706	if (0 && $msg =~ /\[/) {	2908	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2707	# COMMAND/INFO	2909	$pkt = "frag";
2708	$self->send_packet ("drawextinfo $color 10 8 $msg")
2709	} else {
2710	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2711	$self->send_packet ("drawinfo $color $msg")
2712	}
2713	}
2714	}	2910	}
		2911
		2912	$self->send_packet ($pkt);
2715	}	2913	}
2716		2914
2717	=item $client->ext_msg ($type, @msg)	2915	=item $client->ext_msg ($type, @msg)
2718		2916
2719	Sends an ext event to the client.	2917	Sends an ext event to the client.
…		…
2892	=pod	3090	=pod
2893		3091
2894	The following functions and methods are available within a safe environment:	3092	The following functions and methods are available within a safe environment:
2895		3093
2896	cf::object	3094	cf::object
2897	contr pay_amount pay_player map x y force_find force_add	3095	contr pay_amount pay_player map x y force_find force_add destroy
2898	insert remove name archname title slaying race decrease_ob_nr	3096	insert remove name archname title slaying race decrease split
		3097	value
2899		3098
2900	cf::object::player	3099	cf::object::player
2901	player	3100	player
2902		3101
2903	cf::player	3102	cf::player
…		…
2908		3107
2909	=cut	3108	=cut
2910		3109
2911	for (	3110	for (
2912	["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
2913	insert remove inv name archname title slaying race	3112	insert remove inv nrof name archname title slaying race
2914	decrease_ob_nr)],	3113	decrease split destroy change_exp value msg lore send_msg)],
2915	["cf::object::player" => qw(player)],	3114	["cf::object::player" => qw(player)],
2916	["cf::player" => qw(peaceful)],	3115	["cf::player" => qw(peaceful send_msg)],
2917	["cf::map" => qw(trigger)],	3116	["cf::map" => qw(trigger)],
2918	) {	3117	) {
2919	no strict 'refs';	3118	no strict 'refs';
2920	my ($pkg, @funs) = @$_;	3119	my ($pkg, @funs) = @$_;
2921	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3120	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2938	my ($code, %vars) = @_;	3137	my ($code, %vars) = @_;
2939		3138
2940	my $qcode = $code;	3139	my $qcode = $code;
2941	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3140	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2942	$qcode =~ s/\n/\\n/g;	3141	$qcode =~ s/\n/\\n/g;
		3142
		3143	%vars = (_dummy => 0) unless %vars;
2943		3144
2944	local $_;	3145	local $_;
2945	local @safe::cf::_safe_eval_args = values %vars;	3146	local @safe::cf::_safe_eval_args = values %vars;
2946		3147
2947	my $eval =	3148	my $eval =
…		…
3024	{	3225	{
3025	my $faces = $facedata->{faceinfo};	3226	my $faces = $facedata->{faceinfo};
3026		3227
3027	while (my ($face, $info) = each %$faces) {	3228	while (my ($face, $info) = each %$faces) {
3028	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3229	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3230
3029	cf::face::set_visibility $idx, $info->{visibility};	3231	cf::face::set_visibility $idx, $info->{visibility};
3030	cf::face::set_magicmap $idx, $info->{magicmap};	3232	cf::face::set_magicmap $idx, $info->{magicmap};
3031	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};
3032	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 $info->{data64};
3033		3235
3034	cf::cede_to_tick;	3236	cf::cede_to_tick;
3035	}	3237	}
3036		3238
3037	while (my ($face, $info) = each %$faces) {	3239	while (my ($face, $info) = each %$faces) {
3038	next unless $info->{smooth};	3240	next unless $info->{smooth};
		3241
3039	my $idx = cf::face::find $face	3242	my $idx = cf::face::find $face
3040	or next;	3243	or next;
		3244
3041	if (my $smooth = cf::face::find $info->{smooth}) {	3245	if (my $smooth = cf::face::find $info->{smooth}) {
3042	cf::face::set_smooth $idx, $smooth;	3246	cf::face::set_smooth $idx, $smooth;
3043	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3247	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3044	} else {	3248	} else {
3045	warn "smooth face '$info->{smooth}' not found for face '$face'";	3249	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
3063	{	3267	{
3064	# TODO: for gcfclient pleasure, we should give resources	3268	# TODO: for gcfclient pleasure, we should give resources
3065	# that gcfclient doesn't grok a >10000 face index.	3269	# that gcfclient doesn't grok a >10000 face index.
3066	my $res = $facedata->{resource};	3270	my $res = $facedata->{resource};
3067		3271
3068	my $soundconf = delete $res->{"res/sound.conf"};
3069
3070	while (my ($name, $info) = each %$res) {	3272	while (my ($name, $info) = each %$res) {
		3273	if (defined $info->{type}) {
3071	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3274	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3072	my $data;	3275	my $data;
3073		3276
3074	if ($info->{type} & 1) {	3277	if ($info->{type} & 1) {
3075	# prepend meta info	3278	# prepend meta info
3076		3279
3077	my $meta = $enc->encode ({	3280	my $meta = $enc->encode ({
3078	name => $name,	3281	name => $name,
3079	%{ $info->{meta} || {} },	3282	%{ $info->{meta} || {} },
3080	});	3283	});
3081		3284
3082	$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};
3083	} else {	3292	} else {
3084	$data = $info->{data};	3293	$RESOURCE{$name} = $info;
3085	}	3294	}
3086		3295
3087	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3088	cf::face::set_type $idx, $info->{type};
3089
3090	cf::cede_to_tick;	3296	cf::cede_to_tick;
3091	}	3297	}
3092
3093	if ($soundconf) {
3094	$soundconf = $enc->decode (delete $soundconf->{data});
3095
3096	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3097	my $sound = $soundconf->{compat}[$_]
3098	or next;
3099
3100	my $face = cf::face::find "sound/$sound->[1]";
3101	cf::sound::set $sound->[0] => $face;
3102	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3103	}
3104
3105	while (my ($k, $v) = each %{$soundconf->{event}}) {
3106	my $face = cf::face::find "sound/$v";
3107	cf::sound::set $k => $face;
3108	}
3109	}
3110	}	3298	}
		3299
		3300	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3111		3301
3112	1	3302	1
3113	}	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 => $face;
		3321	}
		3322	}
		3323	});
3114		3324
3115	register_exticmd fx_want => sub {	3325	register_exticmd fx_want => sub {
3116	my ($ns, $want) = @_;	3326	my ($ns, $want) = @_;
3117		3327
3118	while (my ($k, $v) = each %$want) {	3328	while (my ($k, $v) = each %$want) {
3119	$ns->fx_want ($k, $v);	3329	$ns->fx_want ($k, $v);
3120	}	3330	}
3121	};	3331	};
		3332
		3333	sub load_resource_file($) {
		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	$status
		3341	}
3122		3342
3123	sub reload_regions {	3343	sub reload_regions {
3124	# HACK to clear player env face cache, we need some signal framework	3344	# HACK to clear player env face cache, we need some signal framework
3125	# for this (global event?)	3345	# for this (global event?)
3126	%ext::player_env::MUSIC_FACE_CACHE = ();	3346	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3140	}	3360	}
3141		3361
3142	sub reload_archetypes {	3362	sub reload_archetypes {
3143	load_resource_file "$DATADIR/archetypes"	3363	load_resource_file "$DATADIR/archetypes"
3144	or die "unable to load archetypes\n";	3364	or die "unable to load archetypes\n";
3145	#d# NEED to laod twice to resolve forward references
3146	# this really needs to be done in an extra post-pass
3147	# (which needs to be synchronous, so solve it differently)
3148	load_resource_file "$DATADIR/archetypes"
3149	or die "unable to load archetypes\n";
3150	}	3365	}
3151		3366
3152	sub reload_treasures {	3367	sub reload_treasures {
3153	load_resource_file "$DATADIR/treasures"	3368	load_resource_file "$DATADIR/treasures"
3154	or die "unable to load treasurelists\n";	3369	or die "unable to load treasurelists\n";
3155	}	3370	}
3156		3371
3157	sub reload_resources {	3372	sub reload_resources {
3158	warn "reloading resource files...\n";	3373	warn "reloading resource files...\n";
3159		3374
		3375	reload_facedata;
		3376	reload_archetypes;
3160	reload_regions;	3377	reload_regions;
3161	reload_facedata;
3162	#reload_archetypes;#d#
3163	reload_archetypes;
3164	reload_treasures;	3378	reload_treasures;
3165		3379
3166	warn "finished reloading resource files\n";	3380	warn "finished reloading resource files\n";
3167	}
3168
3169	sub init {
3170	reload_resources;
3171	}	3381	}
3172		3382
3173	sub reload_config {	3383	sub reload_config {
3174	open my $fh, "<:utf8", "$CONFDIR/config"	3384	open my $fh, "<:utf8", "$CONFDIR/config"
3175	or return;	3385	or return;
3176		3386
3177	local $/;	3387	local $/;
3178	*CFG = YAML::Syck::Load <$fh>;	3388	*CFG = YAML::Load <$fh>;
3179		3389
3180	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3390	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3181		3391
3182	$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};
3183	$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};
…		…
3189	};	3399	};
3190	warn $@ if $@;	3400	warn $@ if $@;
3191	}	3401	}
3192	}	3402	}
3193		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
3194	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
3195	# we must not ever block the main coroutine	3447	# we must not ever block the main coroutine
3196	local $Coro::idle = sub {	3448	local $Coro::idle = sub {
3197	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#
3198	(async {	3450	(async {
3199	$Coro::current->{desc} = "IDLE BUG HANDLER";	3451	$Coro::current->{desc} = "IDLE BUG HANDLER";
3200	Event::one_event;	3452	EV::loop EV::LOOP_ONESHOT;
3201	})->prio (Coro::PRIO_MAX);	3453	})->prio (Coro::PRIO_MAX);
3202	};	3454	};
3203		3455
		3456	evthread_start IO::AIO::poll_fileno;
		3457
		3458	cf::sync_job {
		3459	reload_resources;
3204	reload_config;	3460	reload_config;
3205	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
3206	load_extensions;	3474	load_extensions;
3207		3475
3208	$TICK_WATCHER->start;	3476	utime time, time, $RUNTIMEFILE;
3209	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;
3210	}	3486	}
3211		3487
3212	#############################################################################	3488	#############################################################################
3213	# initialisation and cleanup	3489	# initialisation and cleanup
3214		3490
3215	# install some emergency cleanup handlers	3491	# install some emergency cleanup handlers
3216	BEGIN {	3492	BEGIN {
		3493	our %SIGWATCHER = ();
3217	for my $signal (qw(INT HUP TERM)) {	3494	for my $signal (qw(INT HUP TERM)) {
3218	Event->signal (	3495	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3219	reentrant => 0,
3220	data => WF_AUTOCANCEL,
3221	signal => $signal,
3222	prio => 0,
3223	cb => sub {
3224	cf::cleanup "SIG$signal";	3496	cf::cleanup "SIG$signal";
3225	},
3226	);	3497	};
3227	}	3498	}
3228	}	3499	}
3229		3500
3230	sub write_runtime {	3501	sub write_runtime_sync {
3231	my $runtime = "$LOCALDIR/runtime";
3232
3233	# first touch the runtime file to show we are still running:	3502	# first touch the runtime file to show we are still running:
3234	# the fsync below can take a very very long time.	3503	# the fsync below can take a very very long time.
3235		3504
3236	IO::AIO::aio_utime $runtime, undef, undef;	3505	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3237		3506
3238	my $guard = cf::lock_acquire "write_runtime";	3507	my $guard = cf::lock_acquire "write_runtime";
3239		3508
3240	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3509	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3241	or return;	3510	or return;
3242		3511
3243	my $value = $cf::RUNTIME + 90 + 10;	3512	my $value = $cf::RUNTIME + 90 + 10;
3244	# 10 is the runtime save interval, for a monotonic clock	3513	# 10 is the runtime save interval, for a monotonic clock
3245	# 60 allows for the watchdog to kill the server.	3514	# 60 allows for the watchdog to kill the server.
…		…
3255	aio_utime $fh, undef, undef;	3524	aio_utime $fh, undef, undef;
3256		3525
3257	close $fh	3526	close $fh
3258	or return;	3527	or return;
3259		3528
3260	aio_rename "$runtime~", $runtime	3529	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3261	and return;	3530	and return;
3262		3531
3263	warn "runtime file written.\n";	3532	warn "runtime file written.\n";
3264		3533
3265	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 };
3266	}	3585	}
3267		3586
3268	sub emergency_save() {	3587	sub emergency_save() {
3269	my $freeze_guard = cf::freeze_mainloop;	3588	my $freeze_guard = cf::freeze_mainloop;
3270		3589
3271	warn "enter emergency perl save\n";	3590	warn "emergency_perl_save: enter\n";
3272		3591
3273	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
3274	# use a peculiar iteration method to avoid tripping on perl	3598	# use a peculiar iteration method to avoid tripping on perl
3275	# refcount bugs in for. also avoids problems with players	3599	# refcount bugs in for. also avoids problems with players
3276	# and maps saved/destroyed asynchronously.	3600	# and maps saved/destroyed asynchronously.
3277	warn "begin emergency player save\n";	3601	warn "emergency_perl_save: begin player save\n";
3278	for my $login (keys %cf::PLAYER) {	3602	for my $login (keys %cf::PLAYER) {
3279	my $pl = $cf::PLAYER{$login} or next;	3603	my $pl = $cf::PLAYER{$login} or next;
3280	$pl->valid or next;	3604	$pl->valid or next;
		3605	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3281	$pl->save;	3606	$pl->save;
3282	}	3607	}
3283	warn "end emergency player save\n";	3608	warn "emergency_perl_save: end player save\n";
3284		3609
3285	warn "begin emergency map save\n";	3610	warn "emergency_perl_save: begin map save\n";
3286	for my $path (keys %cf::MAP) {	3611	for my $path (keys %cf::MAP) {
3287	my $map = $cf::MAP{$path} or next;	3612	my $map = $cf::MAP{$path} or next;
3288	$map->valid or next;	3613	$map->valid or next;
3289	$map->save;	3614	$map->save;
3290	}	3615	}
3291	warn "end emergency map save\n";	3616	warn "emergency_perl_save: end map save\n";
3292		3617
3293	warn "begin emergency database checkpoint\n";	3618	warn "emergency_perl_save: begin database checkpoint\n";
3294	BDB::db_env_txn_checkpoint $DB_ENV;	3619	BDB::db_env_txn_checkpoint $DB_ENV;
3295	warn "end emergency database checkpoint\n";	3620	warn "emergency_perl_save: end database checkpoint\n";
		3621
		3622	warn "emergency_perl_save: begin write uuid\n";
		3623	write_uuid_sync 1;
		3624	warn "emergency_perl_save: end write uuid\n";
3296	};	3625	};
3297		3626
		3627	warn "emergency_perl_save: starting sync()\n";
		3628	IO::AIO::aio_sync sub {
		3629	warn "emergency_perl_save: finished sync()\n";
		3630	};
		3631
3298	warn "leave emergency perl save\n";	3632	warn "emergency_perl_save: leave\n";
3299	}	3633	}
3300		3634
3301	sub post_cleanup {	3635	sub post_cleanup {
3302	my ($make_core) = @_;	3636	my ($make_core) = @_;
3303		3637
3304	warn Carp::longmess "post_cleanup backtrace"	3638	warn Carp::longmess "post_cleanup backtrace"
3305	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 $pkg\n";#d#
3306	}	3669	}
3307		3670
3308	sub do_reload_perl() {	3671	sub do_reload_perl() {
3309	# can/must only be called in main	3672	# can/must only be called in main
3310	if ($Coro::current != $Coro::main) {	3673	if ($Coro::current != $Coro::main) {
3311	warn "can only reload from main coroutine";	3674	warn "can only reload from main coroutine";
3312	return;	3675	return;
3313	}	3676	}
3314		3677
		3678	return if $RELOAD++;
		3679
		3680	my $t1 = EV::time;
		3681
		3682	while ($RELOAD) {
3315	warn "reloading...";	3683	warn "reloading...";
3316		3684
3317	warn "entering sync_job";	3685	warn "entering sync_job";
3318		3686
3319	cf::sync_job {	3687	cf::sync_job {
3320	cf::write_runtime; # external watchdog should not bark	3688	cf::write_runtime_sync; # external watchdog should not bark
3321	cf::emergency_save;	3689	cf::emergency_save;
3322	cf::write_runtime; # external watchdog should not bark	3690	cf::write_runtime_sync; # external watchdog should not bark
3323		3691
3324	warn "syncing database to disk";	3692	warn "syncing database to disk";
3325	BDB::db_env_txn_checkpoint $DB_ENV;	3693	BDB::db_env_txn_checkpoint $DB_ENV;
3326		3694
3327	# 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
3328		3696
3329	warn "cancelling all WF_AUTOCANCEL watchers";
3330	for (Event::all_watchers) {
3331	$_->cancel if $_->data & WF_AUTOCANCEL;
3332	}
3333
3334	warn "flushing outstanding aio requests";	3697	warn "flushing outstanding aio requests";
3335	for (;;) {
3336	BDB::flush;
3337	IO::AIO::flush;
3338	Coro::cede;
3339	last unless IO::AIO::nreqs || BDB::nreqs;	3698	while (IO::AIO::nreqs || BDB::nreqs) {
3340	warn "iterate...";	3699	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3341	}
3342
3343	++$RELOAD;
3344
3345	warn "cancelling all extension coros";
3346	$_->cancel for values %EXT_CORO;
3347	%EXT_CORO = ();
3348
3349	warn "removing commands";
3350	%COMMAND = ();
3351
3352	warn "removing ext/exti commands";
3353	%EXTCMD = ();
3354	%EXTICMD = ();
3355
3356	warn "unloading/nuking all extensions";
3357	for my $pkg (@EXTS) {
3358	warn "... unloading $pkg";
3359
3360	if (my $cb = $pkg->can ("unload")) {
3361	eval {
3362	$cb->($pkg);
3363	1
3364	} or warn "$pkg unloaded, but with errors: $@";
3365	}	3700	}
3366		3701
3367	warn "... nuking $pkg";	3702	warn "cancelling all extension coros";
3368	Symbol::delete_package $pkg;	3703	$_->cancel for values %EXT_CORO;
3369	}	3704	%EXT_CORO = ();
3370		3705
3371	warn "unloading all perl modules loaded from $LIBDIR";	3706	warn "removing commands";
3372	while (my ($k, $v) = each %INC) {	3707	%COMMAND = ();
3373	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3374		3708
		3709	warn "removing ext/exti commands";
		3710	%EXTCMD = ();
		3711	%EXTICMD = ();
		3712
		3713	warn "unloading/nuking all extensions";
		3714	for my $pkg (@EXTS) {
3375	warn "... unloading $k";	3715	warn "... unloading $pkg";
3376	delete $INC{$k};
3377		3716
3378	$k =~ s/\.pm$//;
3379	$k =~ s/\//::/g;
3380
3381	if (my $cb = $k->can ("unload_module")) {	3717	if (my $cb = $pkg->can ("unload")) {
		3718	eval {
3382	$cb->();	3719	$cb->($pkg);
		3720	1
		3721	} or warn "$pkg unloaded, but with errors: $@";
		3722	}
		3723
		3724	warn "... clearing $pkg";
		3725	clear_package $pkg;
3383	}	3726	}
3384		3727
3385	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 $k;
3386	}	3743	}
3387		3744
3388	warn "getting rid of safe::, as good as possible";	3745	warn "getting rid of safe::, as good as possible";
3389	Symbol::delete_package "safe::$_"	3746	clear_package "safe::$_"
3390	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);
3391		3748
3392	warn "unloading cf.pm \"a bit\"";	3749	warn "unloading cf.pm \"a bit\"";
3393	delete $INC{"cf.pm"};	3750	delete $INC{"cf.pm"};
3394	delete $INC{"cf/pod.pm"};	3751	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3395		3752
3396	# don't, removes xs symbols, too,	3753	# don't, removes xs symbols, too,
3397	# and global variables created in xs	3754	# and global variables created in xs
3398	#Symbol::delete_package __PACKAGE__;	3755	#clear_package __PACKAGE__;
3399		3756
3400	warn "unload completed, starting to reload now";	3757	warn "unload completed, starting to reload now";
3401		3758
3402	warn "reloading cf.pm";	3759	warn "reloading cf.pm";
3403	require cf;	3760	require cf;
3404	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3761	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3405		3762
3406	warn "loading config and database again";	3763	warn "loading config and database again";
3407	cf::reload_config;	3764	cf::reload_config;
3408		3765
3409	warn "loading extensions";	3766	warn "loading extensions";
3410	cf::load_extensions;	3767	cf::load_extensions;
3411		3768
		3769	if ($REATTACH_ON_RELOAD) {
3412	warn "reattaching attachments to objects/players";	3770	warn "reattaching attachments to objects/players";
3413	_global_reattach; # objects, sockets	3771	_global_reattach; # objects, sockets
3414	warn "reattaching attachments to maps";	3772	warn "reattaching attachments to maps";
3415	reattach $_ for values %MAP;	3773	reattach $_ for values %MAP;
3416	warn "reattaching attachments to players";	3774	warn "reattaching attachments to players";
3417	reattach $_ for values %PLAYER;	3775	reattach $_ for values %PLAYER;
		3776	}
3418		3777
		3778	warn "running post_init jobs";
		3779	(pop @POST_INIT)->(1) while @POST_INIT;
		3780
3419	warn "leaving sync_job";	3781	warn "leaving sync_job";
3420		3782
3421	1	3783	1
3422	} or do {	3784	} or do {
3423	warn $@;	3785	warn $@;
3424	warn "error while reloading, exiting.";	3786	cf::cleanup "error while reloading, exiting.";
3425	exit 1;
3426	};	3787	};
3427		3788
3428	warn "reloaded";	3789	warn "reloaded";
		3790	--$RELOAD;
		3791	}
		3792
		3793	$t1 = EV::time - $t1;
		3794	warn "reload completed in ${t1}s\n";
3429	};	3795	};
3430		3796
3431	our $RELOAD_WATCHER; # used only during reload	3797	our $RELOAD_WATCHER; # used only during reload
3432		3798
3433	sub reload_perl() {	3799	sub reload_perl() {
3434	# doing reload synchronously and two reloads happen back-to-back,	3800	# doing reload synchronously and two reloads happen back-to-back,
3435	# coro crashes during coro_state_free->destroy here.	3801	# coro crashes during coro_state_free->destroy here.
3436		3802
3437	$RELOAD_WATCHER ||= Event->timer (	3803	$RELOAD_WATCHER ||= cf::async {
3438	reentrant => 0,	3804	Coro::AIO::aio_wait cache_extensions;
3439	after => 0,	3805
3440	data => WF_AUTOCANCEL,	3806	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3441	cb => sub {
3442	do_reload_perl;	3807	do_reload_perl;
3443	undef $RELOAD_WATCHER;	3808	undef $RELOAD_WATCHER;
3444	},	3809	};
3445	);	3810	};
3446	}	3811	}
3447		3812
3448	register_command "reload" => sub {	3813	register_command "reload" => sub {
3449	my ($who, $arg) = @_;	3814	my ($who, $arg) = @_;
3450		3815
…		…
3463		3828
3464	our @WAIT_FOR_TICK;	3829	our @WAIT_FOR_TICK;
3465	our @WAIT_FOR_TICK_BEGIN;	3830	our @WAIT_FOR_TICK_BEGIN;
3466		3831
3467	sub wait_for_tick {	3832	sub wait_for_tick {
3468	return unless $TICK_WATCHER->is_active;
3469	return if $Coro::current == $Coro::main;	3833	return if tick_inhibit || $Coro::current == $Coro::main;
3470		3834
3471	my $signal = new Coro::Signal;	3835	my $signal = new Coro::Signal;
3472	push @WAIT_FOR_TICK, $signal;	3836	push @WAIT_FOR_TICK, $signal;
3473	$signal->wait;	3837	$signal->wait;
3474	}	3838	}
3475		3839
3476	sub wait_for_tick_begin {	3840	sub wait_for_tick_begin {
3477	return unless $TICK_WATCHER->is_active;
3478	return if $Coro::current == $Coro::main;	3841	return if tick_inhibit || $Coro::current == $Coro::main;
3479		3842
3480	my $signal = new Coro::Signal;	3843	my $signal = new Coro::Signal;
3481	push @WAIT_FOR_TICK_BEGIN, $signal;	3844	push @WAIT_FOR_TICK_BEGIN, $signal;
3482	$signal->wait;	3845	$signal->wait;
3483	}	3846	}
3484		3847
3485	$TICK_WATCHER = Event->timer (	3848	sub tick {
3486	reentrant => 0,
3487	parked => 1,
3488	prio => 0,
3489	at => $NEXT_TICK || $TICK,
3490	data => WF_AUTOCANCEL,
3491	cb => sub {
3492	if ($Coro::current != $Coro::main) {	3849	if ($Coro::current != $Coro::main) {
3493	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3850	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3494	unless ++$bug_warning > 10;	3851	unless ++$bug_warning > 10;
3495	return;	3852	return;
3496	}	3853	}
3497		3854
3498	$NOW = $tick_start = Event::time;
3499
3500	cf::server_tick; # one server iteration	3855	cf::server_tick; # one server iteration
3501		3856
3502	$RUNTIME += $TICK;
3503	$NEXT_TICK += $TICK;
3504
3505	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3857	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3506	$NEXT_RUNTIME_WRITE = $NOW + 10;	3858	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3507	Coro::async_pool {	3859	Coro::async_pool {
3508	$Coro::current->{desc} = "runtime saver";	3860	$Coro::current->{desc} = "runtime saver";
3509	write_runtime	3861	write_runtime_sync
3510	or warn "ERROR: unable to write runtime file: $!";	3862	or warn "ERROR: unable to write runtime file: $!";
3511	};
3512	}	3863	};
		3864	}
3513		3865
3514	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3866	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3515	$sig->send;	3867	$sig->send;
3516	}	3868	}
3517	while (my $sig = shift @WAIT_FOR_TICK) {	3869	while (my $sig = shift @WAIT_FOR_TICK) {
3518	$sig->send;	3870	$sig->send;
3519	}	3871	}
3520		3872
3521	$NOW = Event::time;	3873	$LOAD = ($NOW - $TICK_START) / $TICK;
3522
3523	# if we are delayed by four ticks or more, skip them all
3524	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3525
3526	$TICK_WATCHER->at ($NEXT_TICK);
3527	$TICK_WATCHER->start;
3528
3529	$LOAD = ($NOW - $tick_start) / $TICK;
3530	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3874	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3531		3875
3532	_post_tick;	3876	if (0) {
		3877	if ($NEXT_TICK) {
		3878	my $jitter = $TICK_START - $NEXT_TICK;
		3879	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3880	warn "jitter $JITTER\n";#d#
		3881	}
3533	},	3882	}
3534	);	3883	}
3535		3884
3536	{	3885	{
		3886	# configure BDB
		3887
3537	BDB::min_parallel 8;	3888	BDB::min_parallel 8;
3538	BDB::max_poll_time $TICK * 0.1;	3889	BDB::max_poll_reqs $TICK * 0.1;
3539	$BDB_POLL_WATCHER = Event->io (	3890	$AnyEvent::BDB::WATCHER->priority (1);
3540	reentrant => 0,
3541	fd => BDB::poll_fileno,
3542	poll => 'r',
3543	prio => 0,
3544	data => WF_AUTOCANCEL,
3545	cb => \&BDB::poll_cb,
3546	);
3547
3548	BDB::set_sync_prepare {
3549	my $status;
3550	my $current = $Coro::current;
3551	(
3552	sub {
3553	$status = $!;
3554	$current->ready; undef $current;
3555	},
3556	sub {
3557	Coro::schedule while defined $current;
3558	$! = $status;
3559	},
3560	)
3561	};
3562		3891
3563	unless ($DB_ENV) {	3892	unless ($DB_ENV) {
3564	$DB_ENV = BDB::db_env_create;	3893	$DB_ENV = BDB::db_env_create;
3565	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	3894	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3566	| 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;
3567	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	3897	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3568	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	3898	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3569		3899
3570	cf::sync_job {	3900	cf::sync_job {
3571	eval {	3901	eval {
…		…
3581		3911
3582	cf::cleanup "db_env_open(db): $@" if $@;	3912	cf::cleanup "db_env_open(db): $@" if $@;
3583	};	3913	};
3584	}	3914	}
3585		3915
3586	$BDB_DEADLOCK_WATCHER = Event->timer (	3916	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3587	after => 3,
3588	interval => 1,
3589	hard => 1,
3590	prio => 0,
3591	data => WF_AUTOCANCEL,
3592	cb => sub {
3593	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 { };
3594	},
3595	);	3918	};
3596	$BDB_CHECKPOINT_WATCHER = Event->timer (	3919	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3597	after => 11,
3598	interval => 60,
3599	hard => 1,
3600	prio => 0,
3601	data => WF_AUTOCANCEL,
3602	cb => sub {
3603	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	3920	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3604	},
3605	);	3921	};
3606	$BDB_TRICKLE_WATCHER = Event->timer (	3922	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3607	after => 5,
3608	interval => 10,
3609	hard => 1,
3610	prio => 0,
3611	data => WF_AUTOCANCEL,
3612	cb => sub {
3613	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	3923	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3614	},
3615	);	3924	};
3616	}	3925	}
3617		3926
3618	{	3927	{
		3928	# configure IO::AIO
		3929
3619	IO::AIO::min_parallel 8;	3930	IO::AIO::min_parallel 8;
3620
3621	undef $Coro::AIO::WATCHER;
3622	IO::AIO::max_poll_time $TICK * 0.1;	3931	IO::AIO::max_poll_time $TICK * 0.1;
3623	$AIO_POLL_WATCHER = Event->io (	3932	undef $AnyEvent::AIO::WATCHER;
3624	reentrant => 0,
3625	data => WF_AUTOCANCEL,
3626	fd => IO::AIO::poll_fileno,
3627	poll => 'r',
3628	prio => 0,
3629	cb => \&IO::AIO::poll_cb,
3630	);
3631	}	3933	}
3632		3934
3633	my $_log_backtrace;	3935	my $_log_backtrace;
3634		3936
3635	sub _log_backtrace {	3937	sub _log_backtrace {
…		…
3638	$msg =~ s/\n//;	3940	$msg =~ s/\n//;
3639		3941
3640	# limit the # of concurrent backtraces	3942	# limit the # of concurrent backtraces
3641	if ($_log_backtrace < 2) {	3943	if ($_log_backtrace < 2) {
3642	++$_log_backtrace;	3944	++$_log_backtrace;
		3945	my $perl_bt = Carp::longmess $msg;
3643	async {	3946	async {
3644	$Coro::current->{desc} = "abt $msg";	3947	$Coro::current->{desc} = "abt $msg";
3645		3948
3646	my @bt = fork_call {	3949	my @bt = fork_call {
3647	@addr = map { sprintf "%x", $_ } @addr;	3950	@addr = map { sprintf "%x", $_ } @addr;
…		…
3658	}	3961	}
3659		3962
3660	@funcs	3963	@funcs
3661	};	3964	};
3662		3965
3663	LOG llevInfo, "[ABT] $msg\n";	3966	LOG llevInfo, "[ABT] $perl_bt\n";
		3967	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3664	LOG llevInfo, "[ABT] $_\n" for @bt;	3968	LOG llevInfo, "[ABT] $_\n" for @bt;
3665	--$_log_backtrace;	3969	--$_log_backtrace;
3666	};	3970	};
3667	} else {	3971	} else {
3668	LOG llevInfo, "[ABT] $msg\n";	3972	LOG llevInfo, "[ABT] $msg\n";
3669	LOG llevInfo, "[ABT] [suppressed]\n";	3973	LOG llevInfo, "[ABT] [suppressed]\n";
3670	}	3974	}
3671	}	3975	}
3672		3976
3673	# load additional modules	3977	# load additional modules
3674	use cf::pod;	3978	require "cf/$_.pm" for @EXTRA_MODULES;
3675		3979
3676	END { cf::emergency_save }	3980	END { cf::emergency_save }
3677		3981
3678	1	3982	1
3679		3983

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