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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.371 by root, Thu Sep 13 16:16:01 2007 UTC vs.
Revision 1.470 by root, Sun Apr 26 19:42:45 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
43	$Event::Eval = 1; # no idea why this is required, but it is
44
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		76
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	77	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
51		78
52	our %COMMAND = ();	79	our %COMMAND = ();
53	our %COMMAND_TIME = ();	80	our %COMMAND_TIME = ();
…		…
56	our %EXTCMD = ();	83	our %EXTCMD = ();
57	our %EXTICMD = ();	84	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	85	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	86	our %EXT_MAP = (); # pluggable maps
60		87
61	our $RELOAD; # number of reloads so far	88	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	89	our @EVENT;
63		90
64	our $CONFDIR = confdir;	91	our $CONFDIR = confdir;
65	our $DATADIR = datadir;	92	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	93	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	94	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	95	our $MAPDIR = "$DATADIR/" . mapdir;
69	our $LOCALDIR = localdir;	96	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	97	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	98	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	99	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	100	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	101	our $BDBDIR = "$LOCALDIR/db";
		102	our $PIDFILE = "$LOCALDIR/pid";
		103	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		104
		105	our %RESOURCE;
75		106
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	107	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	108	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	109	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	110	our $USE_FSYNC = 1; # use fsync to write maps - default on
83		111
84	our $BDB_POLL_WATCHER;
85	our $BDB_DEADLOCK_WATCHER;	112	our $BDB_DEADLOCK_WATCHER;
86	our $BDB_CHECKPOINT_WATCHER;	113	our $BDB_CHECKPOINT_WATCHER;
87	our $BDB_TRICKLE_WATCHER;	114	our $BDB_TRICKLE_WATCHER;
88	our $DB_ENV;	115	our $DB_ENV;
89		116
		117	our @EXTRA_MODULES = qw(pod mapscript);
		118
90	our %CFG;	119	our %CFG;
91		120
92	our $UPTIME; $UPTIME ||= time;	121	our $UPTIME; $UPTIME ||= time;
93	our $RUNTIME;	122	our $RUNTIME;
		123	our $NOW;
94		124
95	our (%PLAYER, %PLAYER_LOADING); # all users	125	our (%PLAYER, %PLAYER_LOADING); # all users
96	our (%MAP, %MAP_LOADING ); # all maps	126	our (%MAP, %MAP_LOADING ); # all maps
97	our $LINK_MAP; # the special {link} map, which is always available	127	our $LINK_MAP; # the special {link} map, which is always available
98		128
99	# used to convert map paths into valid unix filenames by replacing / by ∕	129	# used to convert map paths into valid unix filenames by replacing / by ∕
100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	130	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
101		131
102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	132	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
103	our $LOADAVG; # same thing, but with alpha-smoothing	133	our $LOADAVG; # same thing, but with alpha-smoothing
		134	our $JITTER; # average jitter
104	our $tick_start; # for load detecting purposes	135	our $TICK_START; # for load detecting purposes
		136
		137	our @POST_INIT;
		138
		139	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
105		140
106	binmode STDOUT;	141	binmode STDOUT;
107	binmode STDERR;	142	binmode STDERR;
108		143
109	# read virtual server time, if available	144	# read virtual server time, if available
110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	145	unless ($RUNTIME || !-e $RUNTIMEFILE) {
111	open my $fh, "<", "$LOCALDIR/runtime"	146	open my $fh, "<", $RUNTIMEFILE
112	or die "unable to read runtime file: $!";	147	or die "unable to read $RUNTIMEFILE file: $!";
113	$RUNTIME = <$fh> + 0.;	148	$RUNTIME = <$fh> + 0.;
114	}	149	}
		150
		151	eval "sub TICK() { $TICK } 1" or die;
115		152
116	mkdir $_	153	mkdir $_
117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	154	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
118		155
119	our $EMERGENCY_POSITION;	156	our $EMERGENCY_POSITION;
…		…
162		199
163	The raw value load value from the last tick.	200	The raw value load value from the last tick.
164		201
165	=item %cf::CFG	202	=item %cf::CFG
166		203
167	Configuration for the server, loaded from C</etc/crossfire/config>, or	204	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
168	from wherever your confdir points to.	205	from wherever your confdir points to.
169		206
170	=item cf::wait_for_tick, cf::wait_for_tick_begin	207	=item cf::wait_for_tick, cf::wait_for_tick_begin
171		208
172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	209	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
…		…
193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	230	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
194		231
195	LOG llevError, $msg;	232	LOG llevError, $msg;
196	};	233	};
197	}	234	}
		235
		236	$Coro::State::DIEHOOK = sub {
		237	return unless $^S eq 0; # "eq", not "=="
		238
		239	if ($Coro::current == $Coro::main) {#d#
		240	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		241	return;#d#
		242	}#d#
		243
		244	# kill coroutine otherwise
		245	warn Carp::longmess $_[0];
		246	Coro::terminate
		247	};
		248
		249	$SIG{__DIE__} = sub { }; #d#?
198		250
199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	251	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	252	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	253	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	254	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
209	for my $pkg (qw(	261	for my $pkg (qw(
210	cf::global cf::attachable	262	cf::global cf::attachable
211	cf::object cf::object::player	263	cf::object cf::object::player
212	cf::client cf::player	264	cf::client cf::player
213	cf::arch cf::living	265	cf::arch cf::living
		266	cf::map cf::mapspace
214	cf::map cf::party cf::region	267	cf::party cf::region
215	)) {	268	)) {
216	no strict 'refs';
217	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	269	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
218	}	270	}
219		271
220	$Event::DIED = sub {	272	$EV::DIED = sub {
221	warn "error in event callback: @_";	273	warn "error in event callback: @_";
222	};	274	};
223		275
224	#############################################################################	276	#############################################################################
225		277
…		…
248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	300	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
249	$d	301	$d
250	} || "[unable to dump $_[0]: '$@']";	302	} || "[unable to dump $_[0]: '$@']";
251	}	303	}
252		304
253	=item $ref = cf::from_json $json	305	=item $ref = cf::decode_json $json
254		306
255	Converts a JSON string into the corresponding perl data structure.	307	Converts a JSON string into the corresponding perl data structure.
256		308
257	=item $json = cf::to_json $ref	309	=item $json = cf::encode_json $ref
258		310
259	Converts a perl data structure into its JSON representation.	311	Converts a perl data structure into its JSON representation.
260		312
261	=cut	313	=cut
262		314
263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	315	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
264		316
265	sub to_json ($) { $json_coder->encode ($_[0]) }	317	sub encode_json($) { $json_coder->encode ($_[0]) }
266	sub from_json ($) { $json_coder->decode ($_[0]) }	318	sub decode_json($) { $json_coder->decode ($_[0]) }
		319
		320	=item cf::post_init { BLOCK }
		321
		322	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		323	but I<before> the server starts ticking again.
		324
		325	The cdoeblock will have a single boolean argument to indicate whether this
		326	is a reload or not.
		327
		328	=cut
		329
		330	sub post_init(&) {
		331	push @POST_INIT, shift;
		332	}
267		333
268	=item cf::lock_wait $string	334	=item cf::lock_wait $string
269		335
270	Wait until the given lock is available. See cf::lock_acquire.	336	Wait until the given lock is available. See cf::lock_acquire.
271		337
272	=item my $lock = cf::lock_acquire $string	338	=item my $lock = cf::lock_acquire $string
273		339
274	Wait until the given lock is available and then acquires it and returns	340	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,	341	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	342	for example when the coroutine gets canceled), the lock is automatically
277	returned.	343	returned.
278		344
279	Locks are *not* recursive, locking from the same coro twice results in a	345	Locks are *not* recursive, locking from the same coro twice results in a
280	deadlocked coro.	346	deadlocked coro.
…		…
286		352
287	Return true if the lock is currently active, i.e. somebody has locked it.	353	Return true if the lock is currently active, i.e. somebody has locked it.
288		354
289	=cut	355	=cut
290		356
291	our %LOCK;	357	our $LOCKS = new Coro::SemaphoreSet;
292	our %LOCKER;#d#
293		358
294	sub lock_wait($) {	359	sub lock_wait($) {
295	my ($key) = @_;	360	$LOCKS->wait ($_[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} }, $Coro::current;
305	Coro::schedule;
306	}
307	}	361	}
308		362
309	sub lock_acquire($) {	363	sub lock_acquire($) {
310	my ($key) = @_;	364	$LOCKS->guard ($_[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	}	365	}
324		366
325	sub lock_active($) {	367	sub lock_active($) {
326	my ($key) = @_;	368	$LOCKS->count ($_[0]) < 1
327
328	! ! $LOCK{$key}
329	}	369	}
330		370
331	sub freeze_mainloop {	371	sub freeze_mainloop {
332	return unless $TICK_WATCHER->is_active;	372	tick_inhibit_inc;
333		373
334	my $guard = Coro::guard {	374	&Guard::guard (\&tick_inhibit_dec);
335	$TICK_WATCHER->start;	375	}
336	};	376
337	$TICK_WATCHER->stop;	377	=item cf::periodic $interval, $cb
338	$guard	378
		379	Like EV::periodic, but randomly selects a starting point so that the actions
		380	get spread over timer.
		381
		382	=cut
		383
		384	sub periodic($$) {
		385	my ($interval, $cb) = @_;
		386
		387	my $start = rand List::Util::min 180, $interval;
		388
		389	EV::periodic $start, $interval, 0, $cb
339	}	390	}
340		391
341	=item cf::get_slot $time[, $priority[, $name]]	392	=item cf::get_slot $time[, $priority[, $name]]
342		393
343	Allocate $time seconds of blocking CPU time at priority C<$priority>:	394	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
354	our @SLOT_QUEUE;	405	our @SLOT_QUEUE;
355	our $SLOT_QUEUE;	406	our $SLOT_QUEUE;
356		407
357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	408	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
358	$SLOT_QUEUE = Coro::async {	409	$SLOT_QUEUE = Coro::async {
		410	$Coro::current->desc ("timeslot manager");
		411
359	my $signal = new Coro::Signal;	412	my $signal = new Coro::Signal;
360		413
361	while () {	414	while () {
362	next_job:	415	next_job:
363	my $avail = cf::till_tick;	416	my $avail = cf::till_tick;
…		…
371	}	424	}
372	}	425	}
373	}	426	}
374		427
375	if (@SLOT_QUEUE) {	428	if (@SLOT_QUEUE) {
376	# we do not use wait_For_tick() as it returns immediately when tick is inactive	429	# we do not use wait_for_tick() as it returns immediately when tick is inactive
377	push @cf::WAIT_FOR_TICK, $signal;	430	push @cf::WAIT_FOR_TICK, $signal;
378	$signal->wait;	431	$signal->wait;
379	} else {	432	} else {
380	Coro::schedule;	433	Coro::schedule;
381	}	434	}
382	}	435	}
383	};	436	};
384		437
385	sub get_slot($;$$) {	438	sub get_slot($;$$) {
		439	return if tick_inhibit || $Coro::current == $Coro::main;
		440
386	my ($time, $pri, $name) = @_;	441	my ($time, $pri, $name) = @_;
387		442
388	$time = $TICK * .6 if $time > $TICK * .6;	443	$time = $TICK * .6 if $time > $TICK * .6;
389	my $sig = new Coro::Signal;	444	my $sig = new Coro::Signal;
390		445
…		…
404		459
405	BEGIN { *async = \&Coro::async_pool }	460	BEGIN { *async = \&Coro::async_pool }
406		461
407	=item cf::sync_job { BLOCK }	462	=item cf::sync_job { BLOCK }
408		463
409	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	464	The design of Deliantra requires that the main coroutine ($Coro::main)
410	is always able to handle events or runnable, as Crossfire TRT is only	465	is always able to handle events or runnable, as Deliantra is only
411	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	466	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
412	acceptable.	467	acceptable.
413		468
414	If it must be done, put the blocking parts into C<sync_job>. This will run	469	If it must be done, put the blocking parts into C<sync_job>. This will run
415	the given BLOCK in another coroutine while waiting for the result. The	470	the given BLOCK in another coroutine while waiting for the result. The
…		…
420		475
421	sub sync_job(&) {	476	sub sync_job(&) {
422	my ($job) = @_;	477	my ($job) = @_;
423		478
424	if ($Coro::current == $Coro::main) {	479	if ($Coro::current == $Coro::main) {
425	my $time = Event::time;	480	my $time = EV::time;
426		481
427	# this is the main coro, too bad, we have to block	482	# this is the main coro, too bad, we have to block
428	# till the operation succeeds, freezing the server :/	483	# till the operation succeeds, freezing the server :/
429		484
430	# TODO: use suspend/resume instead	485	LOG llevError, Carp::longmess "sync job";#d#
431	# (but this is cancel-safe)	486
432	my $freeze_guard = freeze_mainloop;	487	my $freeze_guard = freeze_mainloop;
433		488
434	my $busy = 1;	489	my $busy = 1;
435	my @res;	490	my @res;
436		491
437	(async {	492	(async {
		493	$Coro::current->desc ("sync job coro");
438	@res = eval { $job->() };	494	@res = eval { $job->() };
439	warn $@ if $@;	495	warn $@ if $@;
440	undef $busy;	496	undef $busy;
441	})->prio (Coro::PRIO_MAX);	497	})->prio (Coro::PRIO_MAX);
442		498
443	while ($busy) {	499	while ($busy) {
444	Coro::cede or Event::one_event;	500	if (Coro::nready) {
		501	Coro::cede_notself;
		502	} else {
		503	EV::loop EV::LOOP_ONESHOT;
445	}	504	}
		505	}
446		506
447	$time = Event::time - $time;	507	my $time = EV::time - $time;
448		508
449	LOG llevError | logBacktrace, Carp::longmess "long sync job"
450	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
451
452	$tick_start += $time; # do not account sync jobs to server load	509	$TICK_START += $time; # do not account sync jobs to server load
453		510
454	wantarray ? @res : $res[0]	511	wantarray ? @res : $res[0]
455	} else {	512	} else {
456	# we are in another coroutine, how wonderful, everything just works	513	# we are in another coroutine, how wonderful, everything just works
457		514
…		…
482	=item fork_call { }, $args	539	=item fork_call { }, $args
483		540
484	Executes the given code block with the given arguments in a seperate	541	Executes the given code block with the given arguments in a seperate
485	process, returning the results. Everything must be serialisable with	542	process, returning the results. Everything must be serialisable with
486	Coro::Storable. May, of course, block. Note that the executed sub may	543	Coro::Storable. May, of course, block. Note that the executed sub may
487	never block itself or use any form of Event handling.	544	never block itself or use any form of event handling.
488		545
489	=cut	546	=cut
490		547
491	sub fork_call(&@) {	548	sub fork_call(&@) {
492	my ($cb, @args) = @_;	549	my ($cb, @args) = @_;
…		…
499	reset_signals;	556	reset_signals;
500	&$cb	557	&$cb
501	}, @args;	558	}, @args;
502		559
503	wantarray ? @res : $res[-1]	560	wantarray ? @res : $res[-1]
		561	}
		562
		563	=item $coin = coin_from_name $name
		564
		565	=cut
		566
		567	our %coin_alias = (
		568	"silver" => "silvercoin",
		569	"silvercoin" => "silvercoin",
		570	"silvercoins" => "silvercoin",
		571	"gold" => "goldcoin",
		572	"goldcoin" => "goldcoin",
		573	"goldcoins" => "goldcoin",
		574	"platinum" => "platinacoin",
		575	"platinumcoin" => "platinacoin",
		576	"platinumcoins" => "platinacoin",
		577	"platina" => "platinacoin",
		578	"platinacoin" => "platinacoin",
		579	"platinacoins" => "platinacoin",
		580	"royalty" => "royalty",
		581	"royalties" => "royalty",
		582	);
		583
		584	sub coin_from_name($) {
		585	$coin_alias{$_[0]}
		586	? cf::arch::find $coin_alias{$_[0]}
		587	: undef
504	}	588	}
505		589
506	=item $value = cf::db_get $family => $key	590	=item $value = cf::db_get $family => $key
507		591
508	Returns a single value from the environment database.	592	Returns a single value from the environment database.
…		…
647		731
648	#############################################################################	732	#############################################################################
649		733
650	=head2 ATTACHABLE OBJECTS	734	=head2 ATTACHABLE OBJECTS
651		735
652	Many objects in crossfire are so-called attachable objects. That means you can	736	Many objects in deliantra are so-called attachable objects. That means you can
653	attach callbacks/event handlers (a collection of which is called an "attachment")	737	attach callbacks/event handlers (a collection of which is called an "attachment")
654	to it. All such attachable objects support the following methods.	738	to it. All such attachable objects support the following methods.
655		739
656	In the following description, CLASS can be any of C<global>, C<object>	740	In the following description, CLASS can be any of C<global>, C<object>
657	C<player>, C<client> or C<map> (i.e. the attachable objects in	741	C<player>, C<client> or C<map> (i.e. the attachable objects in
658	Crossfire TRT).	742	Deliantra).
659		743
660	=over 4	744	=over 4
661		745
662	=item $attachable->attach ($attachment, key => $value...)	746	=item $attachable->attach ($attachment, key => $value...)
663		747
…		…
707	=item cf::CLASS::attachment $name, ...	791	=item cf::CLASS::attachment $name, ...
708		792
709	Register an attachment by C<$name> through which attachable objects of the	793	Register an attachment by C<$name> through which attachable objects of the
710	given CLASS can refer to this attachment.	794	given CLASS can refer to this attachment.
711		795
712	Some classes such as crossfire maps and objects can specify attachments	796	Some classes such as deliantra maps and objects can specify attachments
713	that are attached at load/instantiate time, thus the need for a name.	797	that are attached at load/instantiate time, thus the need for a name.
714		798
715	These calls expect any number of the following handler/hook descriptions:	799	These calls expect any number of the following handler/hook descriptions:
716		800
717	=over 4	801	=over 4
…		…
945	}	1029	}
946		1030
947	0	1031	0
948	}	1032	}
949		1033
950	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1034	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
951		1035
952	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1036	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
953		1037
954	Generate an object-specific event with the given arguments.	1038	Generate an object-specific event with the given arguments.
955		1039
…		…
961		1045
962	=cut	1046	=cut
963		1047
964	#############################################################################	1048	#############################################################################
965	# object support	1049	# object support
966	#
967		1050
		1051	sub _object_equal($$);
		1052	sub _object_equal($$) {
		1053	my ($a, $b) = @_;
		1054
		1055	return 0 unless (ref $a) eq (ref $b);
		1056
		1057	if ("HASH" eq ref $a) {
		1058	my @ka = keys %$a;
		1059	my @kb = keys %$b;
		1060
		1061	return 0 if @ka != @kb;
		1062
		1063	for (0 .. $#ka) {
		1064	return 0 unless $ka[$_] eq $kb[$_];
		1065	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1066	}
		1067
		1068	} elsif ("ARRAY" eq ref $a) {
		1069
		1070	return 0 if @$a != @$b;
		1071
		1072	for (0 .. $#$a) {
		1073	return 0 unless _object_equal $a->[$_], $b->[$_];
		1074	}
		1075
		1076	} elsif ($a ne $b) {
		1077	return 0;
		1078	}
		1079
		1080	1
		1081	}
		1082
		1083	our $SLOW_MERGES;#d#
968	sub _can_merge {	1084	sub _can_merge {
969	my ($ob1, $ob2) = @_;	1085	my ($ob1, $ob2) = @_;
970		1086
971	local $Storable::canonical = 1;	1087	++$SLOW_MERGES;#d#
972	my $fob1 = Storable::freeze $ob1;
973	my $fob2 = Storable::freeze $ob2;
974		1088
975	$fob1 eq $fob2	1089	# we do the slow way here
		1090	return _object_equal $ob1, $ob2
976	}	1091	}
977		1092
978	sub reattach {	1093	sub reattach {
979	# basically do the same as instantiate, without calling instantiate	1094	# basically do the same as instantiate, without calling instantiate
980	my ($obj) = @_;	1095	my ($obj) = @_;
981		1096
		1097	# no longer needed after getting rid of delete_package?
982	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1098	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
983		1099
984	my $registry = $obj->registry;	1100	my $registry = $obj->registry;
985		1101
986	@$registry = ();	1102	@$registry = ();
987		1103
…		…
1002	cf::attachable->attach (	1118	cf::attachable->attach (
1003	prio => -1000000,	1119	prio => -1000000,
1004	on_instantiate => sub {	1120	on_instantiate => sub {
1005	my ($obj, $data) = @_;	1121	my ($obj, $data) = @_;
1006		1122
1007	$data = from_json $data;	1123	$data = decode_json $data;
1008		1124
1009	for (@$data) {	1125	for (@$data) {
1010	my ($name, $args) = @$_;	1126	my ($name, $args) = @$_;
1011		1127
1012	$obj->attach ($name, %{$args || {} });	1128	$obj->attach ($name, %{$args || {} });
…		…
1025	},	1141	},
1026	);	1142	);
1027		1143
1028	sub object_freezer_save {	1144	sub object_freezer_save {
1029	my ($filename, $rdata, $objs) = @_;	1145	my ($filename, $rdata, $objs) = @_;
1030
1031	my $guard = cf::lock_acquire "io";
1032		1146
1033	sync_job {	1147	sync_job {
1034	if (length $$rdata) {	1148	if (length $$rdata) {
1035	utf8::decode (my $decname = $filename);	1149	utf8::decode (my $decname = $filename);
1036	warn sprintf "saving %s (%d,%d)\n",	1150	warn sprintf "saving %s (%d,%d)\n",
1037	$decname, length $$rdata, scalar @$objs;	1151	$decname, length $$rdata, scalar @$objs;
1038		1152
1039	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1153	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1040	chmod SAVE_MODE, $fh;	1154	aio_chmod $fh, SAVE_MODE;
1041	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1155	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1042	aio_fsync $fh if $cf::USE_FSYNC;	1156	aio_fsync $fh if $cf::USE_FSYNC;
1043	close $fh;	1157	aio_close $fh;
1044		1158
1045	if (@$objs) {	1159	if (@$objs) {
1046	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1160	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1047	chmod SAVE_MODE, $fh;	1161	aio_chmod $fh, SAVE_MODE;
1048	my $data = Storable::nfreeze { version => 1, objs => $objs };	1162	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1049	aio_write $fh, 0, (length $data), $data, 0;	1163	aio_write $fh, 0, (length $data), $data, 0;
1050	aio_fsync $fh if $cf::USE_FSYNC;	1164	aio_fsync $fh if $cf::USE_FSYNC;
1051	close $fh;	1165	aio_close $fh;
1052	aio_rename "$filename.pst~", "$filename.pst";	1166	aio_rename "$filename.pst~", "$filename.pst";
1053	}	1167	}
1054	} else {	1168	} else {
1055	aio_unlink "$filename.pst";	1169	aio_unlink "$filename.pst";
1056	}	1170	}
1057		1171
1058	aio_rename "$filename~", $filename;	1172	aio_rename "$filename~", $filename;
		1173
		1174	$filename =~ s%/[^/]+$%%;
		1175	aio_pathsync $filename if $cf::USE_FSYNC;
1059	} else {	1176	} else {
1060	warn "FATAL: $filename~: $!\n";	1177	warn "unable to save objects: $filename~: $!\n";
1061	}	1178	}
1062	} else {	1179	} else {
1063	aio_unlink $filename;	1180	aio_unlink $filename;
1064	aio_unlink "$filename.pst";	1181	aio_unlink "$filename.pst";
1065	}	1182	}
1066	};	1183	};
1067
1068	undef $guard;
1069	}	1184	}
1070		1185
1071	sub object_freezer_as_string {	1186	sub object_freezer_as_string {
1072	my ($rdata, $objs) = @_;	1187	my ($rdata, $objs) = @_;
1073		1188
…		…
1078		1193
1079	sub object_thawer_load {	1194	sub object_thawer_load {
1080	my ($filename) = @_;	1195	my ($filename) = @_;
1081		1196
1082	my ($data, $av);	1197	my ($data, $av);
1083
1084	my $guard = cf::lock_acquire "io";
1085		1198
1086	(aio_load $filename, $data) >= 0	1199	(aio_load $filename, $data) >= 0
1087	or return;	1200	or return;
1088		1201
1089	unless (aio_stat "$filename.pst") {	1202	unless (aio_stat "$filename.pst") {
1090	(aio_load "$filename.pst", $av) >= 0	1203	(aio_load "$filename.pst", $av) >= 0
1091	or return;	1204	or return;
1092		1205
1093	undef $guard;
1094	$av = eval { (Storable::thaw $av)->{objs} };	1206	my $st = eval { Coro::Storable::thaw $av };
		1207	$av = $st->{objs};
1095	}	1208	}
1096		1209
1097	utf8::decode (my $decname = $filename);	1210	utf8::decode (my $decname = $filename);
1098	warn sprintf "loading %s (%d,%d)\n",	1211	warn sprintf "loading %s (%d,%d)\n",
1099	$decname, length $data, scalar @{$av || []};	1212	$decname, length $data, scalar @{$av || []};
…		…
1160	my ($name, $cb) = @_;	1273	my ($name, $cb) = @_;
1161		1274
1162	$EXTICMD{$name} = $cb;	1275	$EXTICMD{$name} = $cb;
1163	}	1276	}
1164		1277
		1278	use File::Glob ();
		1279
1165	cf::player->attach (	1280	cf::player->attach (
1166	on_command => sub {	1281	on_command => sub {
1167	my ($pl, $name, $params) = @_;	1282	my ($pl, $name, $params) = @_;
1168		1283
1169	my $cb = $COMMAND{$name}	1284	my $cb = $COMMAND{$name}
…		…
1201		1316
1202	cf::override;	1317	cf::override;
1203	},	1318	},
1204	);	1319	);
1205		1320
		1321	# "readahead" all extensions
		1322	sub cache_extensions {
		1323	my $grp = IO::AIO::aio_group;
		1324
		1325	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
		1326	for (grep /\.ext$/, @{$_[0]}) {
		1327	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1328	}
		1329	};
		1330
		1331	$grp
		1332	}
		1333
1206	sub load_extensions {	1334	sub load_extensions {
1207	cf::sync_job {	1335	cf::sync_job {
1208	my %todo;	1336	my %todo;
1209		1337
1210	for my $path (<$LIBDIR/*.ext>) {	1338	for my $path (<$LIBDIR/*.ext>) {
…		…
1229		1357
1230	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1358	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1231	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1359	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1232		1360
1233	$ext{source} =	1361	$ext{source} =
1234	"package $pkg; use strict; use utf8;\n"	1362	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1235	. "#line 1 \"$path\"\n{\n"	1363	. "#line 1 \"$path\"\n{\n"
1236	. $source	1364	. $source
1237	. "\n};\n1";	1365	. "\n};\n1";
1238		1366
1239	$todo{$base} = \%ext;	1367	$todo{$base} = \%ext;
…		…
1255	my $msg = $@ ? "$v->{path}: $@\n"	1383	my $msg = $@ ? "$v->{path}: $@\n"
1256	: "$v->{base}: extension inactive.\n";	1384	: "$v->{base}: extension inactive.\n";
1257		1385
1258	if (exists $v->{meta}{mandatory}) {	1386	if (exists $v->{meta}{mandatory}) {
1259	warn $msg;	1387	warn $msg;
1260	warn "mandatory extension failed to load, exiting.\n";	1388	cf::cleanup "mandatory extension failed to load, exiting.";
1261	exit 1;
1262	}	1389	}
1263		1390
1264	warn $msg;	1391	warn $msg;
1265	}	1392	}
1266		1393
…		…
1280		1407
1281	=back	1408	=back
1282		1409
1283	=head2 CORE EXTENSIONS	1410	=head2 CORE EXTENSIONS
1284		1411
1285	Functions and methods that extend core crossfire objects.	1412	Functions and methods that extend core deliantra objects.
1286		1413
1287	=cut	1414	=cut
1288		1415
1289	package cf::player;	1416	package cf::player;
1290		1417
…		…
1333		1460
1334	sub exists($) {	1461	sub exists($) {
1335	my ($login) = @_;	1462	my ($login) = @_;
1336		1463
1337	$cf::PLAYER{$login}	1464	$cf::PLAYER{$login}
1338	or cf::sync_job { !aio_stat path $login }	1465	or !aio_stat path $login
1339	}	1466	}
1340		1467
1341	sub find($) {	1468	sub find($) {
1342	return $cf::PLAYER{$_[0]} || do {	1469	return $cf::PLAYER{$_[0]} || do {
1343	my $login = $_[0];	1470	my $login = $_[0];
…		…
1353	aio_unlink +(playerdir $login) . "/$login.pl";	1480	aio_unlink +(playerdir $login) . "/$login.pl";
1354		1481
1355	my $f = new_from_file cf::object::thawer path $login	1482	my $f = new_from_file cf::object::thawer path $login
1356	or return;	1483	or return;
1357		1484
1358	$f->next;
1359	my $pl = cf::player::load_pl $f	1485	my $pl = cf::player::load_pl $f
1360	or return;	1486	or return;
		1487
1361	local $cf::PLAYER_LOADING{$login} = $pl;	1488	local $cf::PLAYER_LOADING{$login} = $pl;
1362	$f->resolve_delayed_derefs;	1489	$f->resolve_delayed_derefs;
1363	$cf::PLAYER{$login} = $pl	1490	$cf::PLAYER{$login} = $pl
1364	}	1491	}
1365	}	1492	}
…		…
1375		1502
1376	return if $pl->{deny_save};	1503	return if $pl->{deny_save};
1377		1504
1378	aio_mkdir playerdir $pl, 0770;	1505	aio_mkdir playerdir $pl, 0770;
1379	$pl->{last_save} = $cf::RUNTIME;	1506	$pl->{last_save} = $cf::RUNTIME;
		1507
		1508	cf::get_slot 0.01;
1380		1509
1381	$pl->save_pl ($path);	1510	$pl->save_pl ($path);
1382	cf::cede_to_tick;	1511	cf::cede_to_tick;
1383	}	1512	}
1384		1513
…		…
1416	my ($pl) = @_;	1545	my ($pl) = @_;
1417		1546
1418	my $name = $pl->ob->name;	1547	my $name = $pl->ob->name;
1419		1548
1420	$pl->{deny_save} = 1;	1549	$pl->{deny_save} = 1;
1421	$pl->password ("*"); # this should lock out the player until we nuked the dir	1550	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1422		1551
1423	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1552	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1424	$pl->deactivate;	1553	$pl->deactivate;
		1554	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1555	$pl->ob->check_score;
1425	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1556	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1426	$pl->ns->destroy if $pl->ns;	1557	$pl->ns->destroy if $pl->ns;
1427		1558
1428	my $path = playerdir $pl;	1559	my $path = playerdir $pl;
1429	my $temp = "$path~$cf::RUNTIME~deleting~";	1560	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1468		1599
1469	for my $login (@$dirs) {	1600	for my $login (@$dirs) {
1470	my $path = path $login;	1601	my $path = path $login;
1471		1602
1472	# a .pst is a dead give-away for a valid player	1603	# a .pst is a dead give-away for a valid player
1473	unless (-e "$path.pst") {	1604	# if no pst file found, open and chekc for blocked users
		1605	if (aio_stat "$path.pst") {
1474	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1606	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1475	aio_read $fh, 0, 512, my $buf, 0 or next;	1607	aio_read $fh, 0, 512, my $buf, 0 or next;
1476	$buf !~ /^password -------------$/m or next; # official not-valid tag	1608	$buf !~ /^password -------------$/m or next; # official not-valid tag
1477	}	1609	}
1478		1610
…		…
1509	}	1641	}
1510		1642
1511	\@paths	1643	\@paths
1512	}	1644	}
1513		1645
1514	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1646	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1515		1647
1516	Expand crossfire pod fragments into protocol xml.	1648	Expand deliantra pod fragments into protocol xml.
1517
1518	=cut
1519
1520	sub expand_cfpod {
1521	((my $self), (local $_)) = @_;
1522
1523	# escape & and <
1524	s/&/&amp;/g;
1525	s/(?<![BIUGHT])</&lt;/g;
1526
1527	# this is buggy, it needs to properly take care of nested <'s
1528
1529	1 while
1530	# replace B<>, I<>, U<> etc.
1531	s/B<([^\>]*)>/<b>$1<\/b>/
1532	|| s/I<([^\>]*)>/<i>$1<\/i>/
1533	|| s/U<([^\>]*)>/<u>$1<\/u>/
1534	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1535	# replace G<male|female> tags
1536	|| s{G<([^>|]*)\|([^>]*)>}{
1537	$self->gender ? $2 : $1
1538	}ge
1539	# replace H<hint text>
1540	|| s{H<([^\>]*)>}
1541	{
1542	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1543	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1544	"")
1545	[$self->{hintmode}]
1546	}ge;
1547
1548	# create single paragraphs (very hackish)
1549	s/(?<=\S)\n(?=\w)/ /g;
1550
1551	# compress some whitespace
1552	s/\s+\n/\n/g; # ws line-ends
1553	s/\n\n+/\n/g; # double lines
1554	s/^\n+//; # beginning lines
1555	s/\n+$//; # ending lines
1556
1557	$_
1558	}
1559
1560	sub hintmode {
1561	$_[0]{hintmode} = $_[1] if @_ > 1;
1562	$_[0]{hintmode}
1563	}
1564		1649
1565	=item $player->ext_reply ($msgid, @msg)	1650	=item $player->ext_reply ($msgid, @msg)
1566		1651
1567	Sends an ext reply to the player.	1652	Sends an ext reply to the player.
1568		1653
…		…
1635	our $MAX_RESET = 3600;	1720	our $MAX_RESET = 3600;
1636	our $DEFAULT_RESET = 3000;	1721	our $DEFAULT_RESET = 3000;
1637		1722
1638	sub generate_random_map {	1723	sub generate_random_map {
1639	my ($self, $rmp) = @_;	1724	my ($self, $rmp) = @_;
		1725
		1726	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1727
1640	# mit "rum" bekleckern, nicht	1728	# mit "rum" bekleckern, nicht
1641	$self->_create_random_map (	1729	$self->_create_random_map (
1642	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1730	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1643	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1731	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1644	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1732	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1766		1854
1767	# the temporary/swap location	1855	# the temporary/swap location
1768	sub save_path {	1856	sub save_path {
1769	my ($self) = @_;	1857	my ($self) = @_;
1770		1858
1771	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1859	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1772	"$TMPDIR/$path.map"	1860	"$TMPDIR/$path.map"
1773	}	1861	}
1774		1862
1775	# the unique path, undef == no special unique path	1863	# the unique path, undef == no special unique path
1776	sub uniq_path {	1864	sub uniq_path {
1777	my ($self) = @_;	1865	my ($self) = @_;
1778		1866
1779	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1867	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1780	"$UNIQUEDIR/$path"	1868	"$UNIQUEDIR/$path"
1781	}
1782
1783	# and all this just because we cannot iterate over
1784	# all maps in C++...
1785	sub change_all_map_light {
1786	my ($change) = @_;
1787
1788	$_->change_map_light ($change)
1789	for grep $_->outdoor, values %cf::MAP;
1790	}	1869	}
1791		1870
1792	sub decay_objects {	1871	sub decay_objects {
1793	my ($self) = @_;	1872	my ($self) = @_;
1794		1873
…		…
1878	sub find {	1957	sub find {
1879	my ($path, $origin) = @_;	1958	my ($path, $origin) = @_;
1880		1959
1881	$path = normalise $path, $origin && $origin->path;	1960	$path = normalise $path, $origin && $origin->path;
1882		1961
1883	cf::lock_wait "map_data:$path";#d#remove	1962	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1884	cf::lock_wait "map_find:$path";	1963	my $guard2 = cf::lock_acquire "map_find:$path";
1885		1964
1886	$cf::MAP{$path} || do {	1965	$cf::MAP{$path} || do {
1887	my $guard1 = cf::lock_acquire "map_find:$path";
1888	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1889
1890	my $map = new_from_path cf::map $path	1966	my $map = new_from_path cf::map $path
1891	or return;	1967	or return;
1892		1968
1893	$map->{last_save} = $cf::RUNTIME;	1969	$map->{last_save} = $cf::RUNTIME;
1894		1970
…		…
1896	or return;	1972	or return;
1897		1973
1898	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1974	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1899	# doing this can freeze the server in a sync job, obviously	1975	# doing this can freeze the server in a sync job, obviously
1900	#$cf::WAIT_FOR_TICK->wait;	1976	#$cf::WAIT_FOR_TICK->wait;
		1977	undef $guard2;
1901	undef $guard1;	1978	undef $guard1;
1902	undef $guard2;
1903	$map->reset;	1979	$map->reset;
1904	return find $path;	1980	return find $path;
1905	}	1981	}
1906		1982
1907	$cf::MAP{$path} = $map	1983	$cf::MAP{$path} = $map
…		…
1934	my $f = new_from_file cf::object::thawer $self->{load_path};	2010	my $f = new_from_file cf::object::thawer $self->{load_path};
1935	$f->skip_block;	2011	$f->skip_block;
1936	$self->_load_objects ($f)	2012	$self->_load_objects ($f)
1937	or return;	2013	or return;
1938		2014
1939	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2015	$self->post_load_original
1940	if delete $self->{load_original};	2016	if delete $self->{load_original};
1941		2017
1942	if (my $uniq = $self->uniq_path) {	2018	if (my $uniq = $self->uniq_path) {
1943	utf8::encode $uniq;	2019	utf8::encode $uniq;
1944	unless (aio_stat $uniq) {	2020	unless (aio_stat $uniq) {
…		…
1962	unless ($self->{deny_activate}) {	2038	unless ($self->{deny_activate}) {
1963	$self->decay_objects;	2039	$self->decay_objects;
1964	$self->fix_auto_apply;	2040	$self->fix_auto_apply;
1965	$self->update_buttons;	2041	$self->update_buttons;
1966	cf::cede_to_tick;	2042	cf::cede_to_tick;
1967	$self->set_darkness_map;
1968	cf::cede_to_tick;
1969	$self->activate;	2043	$self->activate;
1970	}	2044	}
1971		2045
1972	$self->{last_save} = $cf::RUNTIME;	2046	$self->{last_save} = $cf::RUNTIME;
1973	$self->last_access ($cf::RUNTIME);	2047	$self->last_access ($cf::RUNTIME);
1974		2048
1975	$self->in_memory (cf::MAP_IN_MEMORY);	2049	$self->in_memory (cf::MAP_ACTIVE);
1976	}	2050	}
1977		2051
1978	$self->post_load;	2052	$self->post_load;
1979	}	2053	}
1980		2054
…		…
2038	my ($path, $origin, $load) = @_;	2112	my ($path, $origin, $load) = @_;
2039		2113
2040	$path = normalise $path, $origin && $origin->{path};	2114	$path = normalise $path, $origin && $origin->{path};
2041		2115
2042	if (my $map = $cf::MAP{$path}) {	2116	if (my $map = $cf::MAP{$path}) {
2043	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2117	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2044	}	2118	}
2045		2119
2046	$MAP_PREFETCH{$path} |= $load;	2120	$MAP_PREFETCH{$path} |= $load;
2047		2121
2048	$MAP_PREFETCHER ||= cf::async {	2122	$MAP_PREFETCHER ||= cf::async {
		2123	$Coro::current->{desc} = "map prefetcher";
		2124
2049	while (%MAP_PREFETCH) {	2125	while (%MAP_PREFETCH) {
2050	while (my ($k, $v) = each %MAP_PREFETCH) {	2126	while (my ($k, $v) = each %MAP_PREFETCH) {
2051	if (my $map = find $k) {	2127	if (my $map = find $k) {
2052	$map->load if $v;	2128	$map->load if $v;
2053	}	2129	}
…		…
2079	return if $self->{deny_save};	2155	return if $self->{deny_save};
2080		2156
2081	local $self->{last_access} = $self->last_access;#d#	2157	local $self->{last_access} = $self->last_access;#d#
2082		2158
2083	cf::async {	2159	cf::async {
		2160	$Coro::current->{desc} = "map player save";
2084	$_->contr->save for $self->players;	2161	$_->contr->save for $self->players;
2085	};	2162	};
		2163
		2164	cf::get_slot 0.02;
2086		2165
2087	if ($uniq) {	2166	if ($uniq) {
2088	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2167	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2089	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2168	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2090	} else {	2169	} else {
…		…
2099	$self->save;	2178	$self->save;
2100		2179
2101	my $lock = cf::lock_acquire "map_data:$self->{path}";	2180	my $lock = cf::lock_acquire "map_data:$self->{path}";
2102		2181
2103	return if $self->players;	2182	return if $self->players;
2104	return if $self->in_memory != cf::MAP_IN_MEMORY;	2183	return if $self->in_memory != cf::MAP_ACTIVE;
2105	return if $self->{deny_save};	2184	return if $self->{deny_save};
2106		2185
2107	$self->in_memory (cf::MAP_SWAPPED);	2186	$self->in_memory (cf::MAP_SWAPPED);
2108		2187
2109	$self->deactivate;	2188	$self->deactivate;
…		…
2227		2306
2228	sub unique_maps() {	2307	sub unique_maps() {
2229	[	2308	[
2230	map {	2309	map {
2231	utf8::decode $_;	2310	utf8::decode $_;
2232	/\.map$/	2311	s/\.map$//; # TODO future compatibility hack
		2312	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2313	? ()
2233	? normalise $_	2314	: normalise $_
2234	: ()
2235	} @{ aio_readdir $UNIQUEDIR or [] }	2315	} @{ aio_readdir $UNIQUEDIR or [] }
2236	]	2316	]
2237	}	2317	}
2238		2318
2239	package cf;
2240
2241	=back	2319	=back
2242		2320
2243	=head3 cf::object	2321	=head3 cf::object
2244		2322
2245	=cut	2323	=cut
…		…
2248		2326
2249	=over 4	2327	=over 4
2250		2328
2251	=item $ob->inv_recursive	2329	=item $ob->inv_recursive
2252		2330
2253	Returns the inventory of the object _and_ their inventories, recursively.	2331	Returns the inventory of the object I<and> their inventories, recursively,
		2332	but I<not> the object itself.
2254		2333
2255	=cut	2334	=cut
2256		2335
2257	sub inv_recursive_;	2336	sub inv_recursive_;
2258	sub inv_recursive_ {	2337	sub inv_recursive_ {
…		…
2263	inv_recursive_ inv $_[0]	2342	inv_recursive_ inv $_[0]
2264	}	2343	}
2265		2344
2266	=item $ref = $ob->ref	2345	=item $ref = $ob->ref
2267		2346
2268	creates and returns a persistent reference to an objetc that can be stored as a string.	2347	Creates and returns a persistent reference to an object that can be stored as a string.
2269		2348
2270	=item $ob = cf::object::deref ($refstring)	2349	=item $ob = cf::object::deref ($refstring)
2271		2350
2272	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2351	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2273	even if the object actually exists. May block.	2352	even if the object actually exists. May block.
…		…
2275	=cut	2354	=cut
2276		2355
2277	sub deref {	2356	sub deref {
2278	my ($ref) = @_;	2357	my ($ref) = @_;
2279		2358
2280	# temporary compatibility#TODO#remove
2281	$ref =~ s{^<}{player/<};
2282
2283	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {	2359	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2284	my ($uuid, $name) = ($1, $2);	2360	my ($uuid, $name) = ($1, $2);
2285	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name	2361	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2286	or return;	2362	or return;
2287	$pl->ob->uuid eq $uuid	2363	$pl->ob->uuid eq $uuid
2288	or return;	2364	or return;
…		…
2308	can be C<undef>. Does the right thing when the player is currently in a	2384	can be C<undef>. Does the right thing when the player is currently in a
2309	dialogue with the given NPC character.	2385	dialogue with the given NPC character.
2310		2386
2311	=cut	2387	=cut
2312		2388
		2389	our $SAY_CHANNEL = {
		2390	id => "say",
		2391	title => "Map",
		2392	reply => "say ",
		2393	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2394	};
		2395
		2396	our $CHAT_CHANNEL = {
		2397	id => "chat",
		2398	title => "Chat",
		2399	reply => "chat ",
		2400	tooltip => "Player chat and shouts, global to the server.",
		2401	};
		2402
2313	# rough implementation of a future "reply" method that works	2403	# rough implementation of a future "reply" method that works
2314	# with dialog boxes.	2404	# with dialog boxes.
2315	#TODO: the first argument must go, split into a $npc->reply_to ( method	2405	#TODO: the first argument must go, split into a $npc->reply_to ( method
2316	sub cf::object::player::reply($$$;$) {	2406	sub cf::object::player::reply($$$;$) {
2317	my ($self, $npc, $msg, $flags) = @_;	2407	my ($self, $npc, $msg, $flags) = @_;
…		…
2328	my $dialog = $pl->{npc_dialog};	2418	my $dialog = $pl->{npc_dialog};
2329	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2419	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2330		2420
2331	} else {	2421	} else {
2332	$msg = $npc->name . " says: $msg" if $npc;	2422	$msg = $npc->name . " says: $msg" if $npc;
2333	$self->message ($msg, $flags);	2423	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2334	}	2424	}
2335	}	2425	}
2336	}	2426	}
2337		2427
2338	=item $object->send_msg ($channel, $msg, $color, [extra...])	2428	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2363		2453
2364	=item $player_object->enter_link	2454	=item $player_object->enter_link
2365		2455
2366	Freezes the player and moves him/her to a special map (C<{link}>).	2456	Freezes the player and moves him/her to a special map (C<{link}>).
2367		2457
2368	The player should be reasonably safe there for short amounts of time. You	2458	The player should be reasonably safe there for short amounts of time (e.g.
2369	I<MUST> call C<leave_link> as soon as possible, though.	2459	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2460	though, as the palyer cannot control the character while it is on the link
		2461	map.
2370		2462
2371	Will never block.	2463	Will never block.
2372		2464
2373	=item $player_object->leave_link ($map, $x, $y)	2465	=item $player_object->leave_link ($map, $x, $y)
2374		2466
…		…
2432		2524
2433	$map->load;	2525	$map->load;
2434	$map->load_neighbours;	2526	$map->load_neighbours;
2435		2527
2436	return unless $self->contr->active;	2528	return unless $self->contr->active;
		2529	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2437	$self->activate_recursive;	2530	$self->activate_recursive;
2438		2531
2439	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2532	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2440	$self->enter_map ($map, $x, $y);	2533	$self->enter_map ($map, $x, $y);
2441	}	2534	}
…		…
2446	her, loading and preparing them map, calling the provided $check callback	2539	her, loading and preparing them map, calling the provided $check callback
2447	that has to return the map if sucecssful, and then unfreezes the player on	2540	that has to return the map if sucecssful, and then unfreezes the player on
2448	the new (success) or old (failed) map position. In either case, $done will	2541	the new (success) or old (failed) map position. In either case, $done will
2449	be called at the end of this process.	2542	be called at the end of this process.
2450		2543
		2544	Note that $check will be called with a potentially non-loaded map, so if
		2545	it needs a loaded map it has to call C<< ->load >>.
		2546
2451	=cut	2547	=cut
2452		2548
2453	our $GOTOGEN;	2549	our $GOTOGEN;
2454		2550
2455	sub cf::object::player::goto {	2551	sub cf::object::player::goto {
…		…
2459	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2555	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2460		2556
2461	$self->enter_link;	2557	$self->enter_link;
2462		2558
2463	(async {	2559	(async {
		2560	$Coro::current->{desc} = "player::goto $path $x $y";
		2561
2464	# *tag paths override both path and x|y	2562	# *tag paths override both path and x|y
2465	if ($path =~ /^\*(.*)$/) {	2563	if ($path =~ /^\*(.*)$/) {
2466	if (my @obs = grep $_->map, ext::map_tags::find $1) {	2564	if (my @obs = grep $_->map, ext::map_tags::find $1) {
2467	my $ob = $obs[rand @obs];	2565	my $ob = $obs[rand @obs];
2468		2566
…		…
2531	}	2629	}
2532		2630
2533	sub prepare_random_map {	2631	sub prepare_random_map {
2534	my ($exit) = @_;	2632	my ($exit) = @_;
2535		2633
2536	my $guard = cf::lock_acquire "exit_prepare:$exit";
2537
2538	# all this does is basically replace the /! path by	2634	# all this does is basically replace the /! path by
2539	# a new random map path (?random/...) with a seed	2635	# a new random map path (?random/...) with a seed
2540	# that depends on the exit object	2636	# that depends on the exit object
2541		2637
2542	my $rmp = parse_random_map_params $exit->msg;	2638	my $rmp = parse_random_map_params $exit->msg;
…		…
2544	if ($exit->map) {	2640	if ($exit->map) {
2545	$rmp->{region} = $exit->region->name;	2641	$rmp->{region} = $exit->region->name;
2546	$rmp->{origin_map} = $exit->map->path;	2642	$rmp->{origin_map} = $exit->map->path;
2547	$rmp->{origin_x} = $exit->x;	2643	$rmp->{origin_x} = $exit->x;
2548	$rmp->{origin_y} = $exit->y;	2644	$rmp->{origin_y} = $exit->y;
		2645
		2646	$exit->map->touch;
2549	}	2647	}
2550		2648
2551	$rmp->{random_seed} ||= $exit->random_seed;	2649	$rmp->{random_seed} ||= $exit->random_seed;
2552		2650
2553	my $data = cf::to_json $rmp;	2651	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2554	my $md5 = Digest::MD5::md5_hex $data;	2652	my $md5 = Digest::MD5::md5_hex $data;
2555	my $meta = "$RANDOMDIR/$md5.meta";	2653	my $meta = "$RANDOMDIR/$md5.meta";
2556		2654
2557	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2655	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2558	aio_write $fh, 0, (length $data), $data, 0;	2656	aio_write $fh, 0, (length $data), $data, 0;
2559	undef $fh;	2657	undef $fh;
2560	aio_rename "$meta~", $meta;	2658	aio_rename "$meta~", $meta;
2561		2659
		2660	my $slaying = "?random/$md5";
		2661
		2662	if ($exit->valid) {
2562	$exit->slaying ("?random/$md5");	2663	$exit->slaying ("?random/$md5");
2563	$exit->msg (undef);	2664	$exit->msg (undef);
		2665	}
2564	}	2666	}
2565	}	2667	}
2566		2668
2567	sub cf::object::player::enter_exit {	2669	sub cf::object::player::enter_exit {
2568	my ($self, $exit) = @_;	2670	my ($self, $exit) = @_;
2569		2671
2570	return unless $self->type == cf::PLAYER;	2672	return unless $self->type == cf::PLAYER;
2571		2673
2572	if ($exit->slaying eq "/!") {
2573	#TODO: this should de-fi-ni-te-ly not be a sync-job
2574	# the problem is that $exit might not survive long enough
2575	# so it needs to be done right now, right here
2576	cf::sync_job { prepare_random_map $exit };
2577	}
2578
2579	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2580	my $hp = $exit->stats->hp;
2581	my $sp = $exit->stats->sp;
2582
2583	$self->enter_link;	2674	$self->enter_link;
2584		2675
2585	# if exit is damned, update players death & WoR home-position
2586	$self->contr->savebed ($slaying, $hp, $sp)
2587	if $exit->flag (FLAG_DAMNED);
2588
2589	(async {	2676	(async {
2590	$self->deactivate_recursive; # just to be sure	2677	$Coro::current->{desc} = "enter_exit";
		2678
2591	unless (eval {	2679	unless (eval {
		2680	$self->deactivate_recursive; # just to be sure
		2681
		2682	# random map handling
		2683	{
		2684	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2685
		2686	prepare_random_map $exit
		2687	if $exit->slaying eq "/!";
		2688	}
		2689
		2690	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2691	my $x = $exit->stats->hp;
		2692	my $y = $exit->stats->sp;
		2693
2592	$self->goto ($slaying, $hp, $sp);	2694	$self->goto ($map, $x, $y);
2593		2695
		2696	# if exit is damned, update players death & WoR home-position
		2697	$self->contr->savebed ($map, $x, $y)
		2698	if $exit->flag (cf::FLAG_DAMNED);
		2699
2594	1;	2700	1
2595	}) {	2701	}) {
2596	$self->message ("Something went wrong deep within the crossfire server. "	2702	$self->message ("Something went wrong deep within the deliantra server. "
2597	. "I'll try to bring you back to the map you were before. "	2703	. "I'll try to bring you back to the map you were before. "
2598	. "Please report this to the dungeon master!",	2704	. "Please report this to the dungeon master!",
2599	cf::NDI_UNIQUE | cf::NDI_RED);	2705	cf::NDI_UNIQUE | cf::NDI_RED);
2600		2706
2601	warn "ERROR in enter_exit: $@";	2707	warn "ERROR in enter_exit: $@";
…		…
2629	the message, with C<log> being the default. If C<$color> is negative, suppress	2735	the message, with C<log> being the default. If C<$color> is negative, suppress
2630	the message unless the client supports the msg packet.	2736	the message unless the client supports the msg packet.
2631		2737
2632	=cut	2738	=cut
2633		2739
		2740	# non-persistent channels (usually the info channel)
2634	our %CHANNEL = (	2741	our %CHANNEL = (
2635	"c/identify" => {	2742	"c/identify" => {
2636	id => "identify",	2743	id => "infobox",
2637	title => "Identify",	2744	title => "Identify",
2638	reply => undef,	2745	reply => undef,
2639	tooltip => "Items recently identified",	2746	tooltip => "Items recently identified",
2640	},	2747	},
2641	"c/examine" => {	2748	"c/examine" => {
2642	id => "examine",	2749	id => "infobox",
2643	title => "Examine",	2750	title => "Examine",
2644	reply => undef,	2751	reply => undef,
2645	tooltip => "Signs and other items you examined",	2752	tooltip => "Signs and other items you examined",
2646	},	2753	},
		2754	"c/book" => {
		2755	id => "infobox",
		2756	title => "Book",
		2757	reply => undef,
		2758	tooltip => "The contents of a note or book",
		2759	},
		2760	"c/lookat" => {
		2761	id => "infobox",
		2762	title => "Look",
		2763	reply => undef,
		2764	tooltip => "What you saw there",
		2765	},
		2766	"c/who" => {
		2767	id => "infobox",
		2768	title => "Players",
		2769	reply => undef,
		2770	tooltip => "Shows players who are currently online",
		2771	},
		2772	"c/body" => {
		2773	id => "infobox",
		2774	title => "Body Parts",
		2775	reply => undef,
		2776	tooltip => "Shows which body parts you posess and are available",
		2777	},
		2778	"c/statistics" => {
		2779	id => "infobox",
		2780	title => "Statistics",
		2781	reply => undef,
		2782	tooltip => "Shows your primary statistics",
		2783	},
		2784	"c/skills" => {
		2785	id => "infobox",
		2786	title => "Skills",
		2787	reply => undef,
		2788	tooltip => "Shows your experience per skill and item power",
		2789	},
		2790	"c/shopitems" => {
		2791	id => "infobox",
		2792	title => "Shop Items",
		2793	reply => undef,
		2794	tooltip => "Shows the items currently for sale in this shop",
		2795	},
		2796	"c/resistances" => {
		2797	id => "infobox",
		2798	title => "Resistances",
		2799	reply => undef,
		2800	tooltip => "Shows your resistances",
		2801	},
		2802	"c/pets" => {
		2803	id => "infobox",
		2804	title => "Pets",
		2805	reply => undef,
		2806	tooltip => "Shows information abotu your pets/a specific pet",
		2807	},
		2808	"c/uptime" => {
		2809	id => "infobox",
		2810	title => "Uptime",
		2811	reply => undef,
		2812	tooltip => "How long the server has been running since last restart",
		2813	},
		2814	"c/mapinfo" => {
		2815	id => "infobox",
		2816	title => "Map Info",
		2817	reply => undef,
		2818	tooltip => "Information related to the maps",
		2819	},
		2820	"c/party" => {
		2821	id => "party",
		2822	title => "Party",
		2823	reply => "gsay ",
		2824	tooltip => "Messages and chat related to your party",
		2825	},
		2826	"c/death" => {
		2827	id => "death",
		2828	title => "Death",
		2829	reply => undef,
		2830	tooltip => "Reason for and more info about your most recent death",
		2831	},
		2832	"c/say" => $SAY_CHANNEL,
		2833	"c/chat" => $CHAT_CHANNEL,
2647	);	2834	);
2648		2835
2649	sub cf::client::send_msg {	2836	sub cf::client::send_msg {
2650	my ($self, $channel, $msg, $color, @extra) = @_;	2837	my ($self, $channel, $msg, $color, @extra) = @_;
2651		2838
2652	$msg = $self->pl->expand_cfpod ($msg);	2839	$msg = $self->pl->expand_cfpod ($msg)
		2840	unless $color & cf::NDI_VERBATIM;
2653		2841
2654	$color &= cf::NDI_CLIENT_MASK; # just in case...	2842	$color &= cf::NDI_CLIENT_MASK; # just in case...
2655		2843
2656	# check predefined channels, for the benefit of C	2844	# check predefined channels, for the benefit of C
2657	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};	2845	if ($CHANNEL{$channel}) {
		2846	$channel = $CHANNEL{$channel};
2658		2847
		2848	$self->ext_msg (channel_info => $channel);
		2849	$channel = $channel->{id};
		2850
2659	if (ref $channel) {	2851	} elsif (ref $channel) {
2660	# send meta info to client, if not yet sent	2852	# send meta info to client, if not yet sent
2661	unless (exists $self->{channel}{$channel->{id}}) {	2853	unless (exists $self->{channel}{$channel->{id}}) {
2662	$self->{channel}{$channel->{id}} = $channel;	2854	$self->{channel}{$channel->{id}} = $channel;
2663	$self->ext_msg (channel_info => $channel)	2855	$self->ext_msg (channel_info => $channel);
2664	if $self->can_msg;
2665	}	2856	}
2666		2857
2667	$channel = $channel->{id};	2858	$channel = $channel->{id};
2668	}	2859	}
2669		2860
2670	return unless @extra || length $msg;	2861	return unless @extra || length $msg;
2671		2862
2672	if ($self->can_msg) {
2673	# default colour, mask it out	2863	# default colour, mask it out
2674	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2864	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2675	if $color & cf::NDI_DEF;	2865	if $color & cf::NDI_DEF;
2676		2866
2677	$self->send_packet ("msg " . $self->{json_coder}->encode (	2867	my $pkt = "msg "
		2868	. $self->{json_coder}->encode (
2678	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2869	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2679	} else {	2870	);
2680	if ($color >= 0) {
2681	# replace some tags by gcfclient-compatible ones
2682	for ($msg) {
2683	1 while
2684	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2685	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2686	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2687	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2688	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2689	}
2690		2871
2691	$color &= cf::NDI_COLOR_MASK;	2872	# try lzf for large packets
		2873	$pkt = "lzf " . Compress::LZF::compress $pkt
		2874	if 1024 <= length $pkt and $self->{can_lzf};
2692		2875
2693	utf8::encode $msg;	2876	# split very large packets
2694		2877	if (8192 < length $pkt and $self->{can_lzf}) {
2695	if (0 && $msg =~ /\[/) {	2878	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2696	# COMMAND/INFO	2879	$pkt = "frag";
2697	$self->send_packet ("drawextinfo $color 10 8 $msg")
2698	} else {
2699	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2700	$self->send_packet ("drawinfo $color $msg")
2701	}
2702	}
2703	}	2880	}
		2881
		2882	$self->send_packet ($pkt);
2704	}	2883	}
2705		2884
2706	=item $client->ext_msg ($type, @msg)	2885	=item $client->ext_msg ($type, @msg)
2707		2886
2708	Sends an ext event to the client.	2887	Sends an ext event to the client.
…		…
2881	=pod	3060	=pod
2882		3061
2883	The following functions and methods are available within a safe environment:	3062	The following functions and methods are available within a safe environment:
2884		3063
2885	cf::object	3064	cf::object
2886	contr pay_amount pay_player map x y force_find force_add	3065	contr pay_amount pay_player map x y force_find force_add destroy
2887	insert remove name archname title slaying race decrease_ob_nr	3066	insert remove name archname title slaying race decrease split
		3067	value
2888		3068
2889	cf::object::player	3069	cf::object::player
2890	player	3070	player
2891		3071
2892	cf::player	3072	cf::player
…		…
2897		3077
2898	=cut	3078	=cut
2899		3079
2900	for (	3080	for (
2901	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3081	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2902	insert remove inv name archname title slaying race	3082	insert remove inv nrof name archname title slaying race
2903	decrease_ob_nr)],	3083	decrease split destroy change_exp value msg lore send_msg)],
2904	["cf::object::player" => qw(player)],	3084	["cf::object::player" => qw(player)],
2905	["cf::player" => qw(peaceful)],	3085	["cf::player" => qw(peaceful send_msg)],
2906	["cf::map" => qw(trigger)],	3086	["cf::map" => qw(trigger)],
2907	) {	3087	) {
2908	no strict 'refs';	3088	no strict 'refs';
2909	my ($pkg, @funs) = @$_;	3089	my ($pkg, @funs) = @$_;
2910	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3090	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2927	my ($code, %vars) = @_;	3107	my ($code, %vars) = @_;
2928		3108
2929	my $qcode = $code;	3109	my $qcode = $code;
2930	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3110	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2931	$qcode =~ s/\n/\\n/g;	3111	$qcode =~ s/\n/\\n/g;
		3112
		3113	%vars = (_dummy => 0) unless %vars;
2932		3114
2933	local $_;	3115	local $_;
2934	local @safe::cf::_safe_eval_args = values %vars;	3116	local @safe::cf::_safe_eval_args = values %vars;
2935		3117
2936	my $eval =	3118	my $eval =
…		…
3013	{	3195	{
3014	my $faces = $facedata->{faceinfo};	3196	my $faces = $facedata->{faceinfo};
3015		3197
3016	while (my ($face, $info) = each %$faces) {	3198	while (my ($face, $info) = each %$faces) {
3017	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3199	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3200
3018	cf::face::set_visibility $idx, $info->{visibility};	3201	cf::face::set_visibility $idx, $info->{visibility};
3019	cf::face::set_magicmap $idx, $info->{magicmap};	3202	cf::face::set_magicmap $idx, $info->{magicmap};
3020	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3203	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
3021	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3204	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
3022		3205
3023	cf::cede_to_tick;	3206	cf::cede_to_tick;
3024	}	3207	}
3025		3208
3026	while (my ($face, $info) = each %$faces) {	3209	while (my ($face, $info) = each %$faces) {
3027	next unless $info->{smooth};	3210	next unless $info->{smooth};
		3211
3028	my $idx = cf::face::find $face	3212	my $idx = cf::face::find $face
3029	or next;	3213	or next;
		3214
3030	if (my $smooth = cf::face::find $info->{smooth}) {	3215	if (my $smooth = cf::face::find $info->{smooth}) {
3031	cf::face::set_smooth $idx, $smooth;	3216	cf::face::set_smooth $idx, $smooth;
3032	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3217	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3033	} else {	3218	} else {
3034	warn "smooth face '$info->{smooth}' not found for face '$face'";	3219	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
3052	{	3237	{
3053	# TODO: for gcfclient pleasure, we should give resources	3238	# TODO: for gcfclient pleasure, we should give resources
3054	# that gcfclient doesn't grok a >10000 face index.	3239	# that gcfclient doesn't grok a >10000 face index.
3055	my $res = $facedata->{resource};	3240	my $res = $facedata->{resource};
3056		3241
3057	my $soundconf = delete $res->{"res/sound.conf"};
3058
3059	while (my ($name, $info) = each %$res) {	3242	while (my ($name, $info) = each %$res) {
		3243	if (defined $info->{type}) {
3060	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3244	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3061	my $data;	3245	my $data;
3062		3246
3063	if ($info->{type} & 1) {	3247	if ($info->{type} & 1) {
3064	# prepend meta info	3248	# prepend meta info
3065		3249
3066	my $meta = $enc->encode ({	3250	my $meta = $enc->encode ({
3067	name => $name,	3251	name => $name,
3068	%{ $info->{meta} || {} },	3252	%{ $info->{meta} || {} },
3069	});	3253	});
3070		3254
3071	$data = pack "(w/a*)*", $meta, $info->{data};	3255	$data = pack "(w/a*)*", $meta, $info->{data};
		3256	} else {
		3257	$data = $info->{data};
		3258	}
		3259
		3260	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3261	cf::face::set_type $idx, $info->{type};
3072	} else {	3262	} else {
3073	$data = $info->{data};	3263	$RESOURCE{$name} = $info;
3074	}	3264	}
3075		3265
3076	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3077	cf::face::set_type $idx, $info->{type};
3078
3079	cf::cede_to_tick;	3266	cf::cede_to_tick;
3080	}	3267	}
3081
3082	if ($soundconf) {
3083	$soundconf = $enc->decode (delete $soundconf->{data});
3084
3085	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3086	my $sound = $soundconf->{compat}[$_]
3087	or next;
3088
3089	my $face = cf::face::find "sound/$sound->[1]";
3090	cf::sound::set $sound->[0] => $face;
3091	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3092	}
3093
3094	while (my ($k, $v) = each %{$soundconf->{event}}) {
3095	my $face = cf::face::find "sound/$v";
3096	cf::sound::set $k => $face;
3097	}
3098	}
3099	}	3268	}
		3269
		3270	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3100		3271
3101	1	3272	1
3102	}	3273	}
		3274
		3275	cf::global->attach (on_resource_update => sub {
		3276	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3277	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3278
		3279	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3280	my $sound = $soundconf->{compat}[$_]
		3281	or next;
		3282
		3283	my $face = cf::face::find "sound/$sound->[1]";
		3284	cf::sound::set $sound->[0] => $face;
		3285	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3286	}
		3287
		3288	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3289	my $face = cf::face::find "sound/$v";
		3290	cf::sound::set $k => $face;
		3291	}
		3292	}
		3293	});
3103		3294
3104	register_exticmd fx_want => sub {	3295	register_exticmd fx_want => sub {
3105	my ($ns, $want) = @_;	3296	my ($ns, $want) = @_;
3106		3297
3107	while (my ($k, $v) = each %$want) {	3298	while (my ($k, $v) = each %$want) {
3108	$ns->fx_want ($k, $v);	3299	$ns->fx_want ($k, $v);
3109	}	3300	}
3110	};	3301	};
		3302
		3303	sub load_resource_file($) {
		3304	my $guard = lock_acquire "load_resource_file";
		3305
		3306	my $status = load_resource_file_ $_[0];
		3307	get_slot 0.1, 100;
		3308	cf::arch::commit_load;
		3309
		3310	$status
		3311	}
3111		3312
3112	sub reload_regions {	3313	sub reload_regions {
3113	# HACK to clear player env face cache, we need some signal framework	3314	# HACK to clear player env face cache, we need some signal framework
3114	# for this (global event?)	3315	# for this (global event?)
3115	%ext::player_env::MUSIC_FACE_CACHE = ();	3316	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3129	}	3330	}
3130		3331
3131	sub reload_archetypes {	3332	sub reload_archetypes {
3132	load_resource_file "$DATADIR/archetypes"	3333	load_resource_file "$DATADIR/archetypes"
3133	or die "unable to load archetypes\n";	3334	or die "unable to load archetypes\n";
3134	#d# NEED to laod twice to resolve forward references
3135	# this really needs to be done in an extra post-pass
3136	# (which needs to be synchronous, so solve it differently)
3137	load_resource_file "$DATADIR/archetypes"
3138	or die "unable to load archetypes\n";
3139	}	3335	}
3140		3336
3141	sub reload_treasures {	3337	sub reload_treasures {
3142	load_resource_file "$DATADIR/treasures"	3338	load_resource_file "$DATADIR/treasures"
3143	or die "unable to load treasurelists\n";	3339	or die "unable to load treasurelists\n";
3144	}	3340	}
3145		3341
3146	sub reload_resources {	3342	sub reload_resources {
3147	warn "reloading resource files...\n";	3343	warn "reloading resource files...\n";
3148		3344
		3345	reload_facedata;
		3346	reload_archetypes;
3149	reload_regions;	3347	reload_regions;
3150	reload_facedata;
3151	#reload_archetypes;#d#
3152	reload_archetypes;
3153	reload_treasures;	3348	reload_treasures;
3154		3349
3155	warn "finished reloading resource files\n";	3350	warn "finished reloading resource files\n";
3156	}
3157
3158	sub init {
3159	reload_resources;
3160	}	3351	}
3161		3352
3162	sub reload_config {	3353	sub reload_config {
3163	open my $fh, "<:utf8", "$CONFDIR/config"	3354	open my $fh, "<:utf8", "$CONFDIR/config"
3164	or return;	3355	or return;
3165		3356
3166	local $/;	3357	local $/;
3167	*CFG = YAML::Syck::Load <$fh>;	3358	*CFG = YAML::Load <$fh>;
3168		3359
3169	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3360	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3170		3361
3171	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3362	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3172	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3363	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3178	};	3369	};
3179	warn $@ if $@;	3370	warn $@ if $@;
3180	}	3371	}
3181	}	3372	}
3182		3373
		3374	sub pidfile() {
		3375	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3376	or die "$PIDFILE: $!";
		3377	flock $fh, &Fcntl::LOCK_EX
		3378	or die "$PIDFILE: flock: $!";
		3379	$fh
		3380	}
		3381
		3382	# make sure only one server instance is running at any one time
		3383	sub atomic {
		3384	my $fh = pidfile;
		3385
		3386	my $pid = <$fh>;
		3387	kill 9, $pid if $pid > 0;
		3388
		3389	seek $fh, 0, 0;
		3390	print $fh $$;
		3391	}
		3392
3183	sub main {	3393	sub main {
		3394	cf::init_globals; # initialise logging
		3395
		3396	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3397	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3398	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3399	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3400
		3401	cf::init_experience;
		3402	cf::init_anim;
		3403	cf::init_attackmess;
		3404	cf::init_dynamic;
		3405
		3406	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3407
3184	# we must not ever block the main coroutine	3408	# we must not ever block the main coroutine
3185	local $Coro::idle = sub {	3409	local $Coro::idle = sub {
3186	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3410	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3187	(async {	3411	(async {
3188	Event::one_event;	3412	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3413	EV::loop EV::LOOP_ONESHOT;
3189	})->prio (Coro::PRIO_MAX);	3414	})->prio (Coro::PRIO_MAX);
3190	};	3415	};
3191		3416
		3417	evthread_start IO::AIO::poll_fileno;
		3418
		3419	cf::sync_job {
		3420	reload_resources;
3192	reload_config;	3421	reload_config;
3193	db_init;	3422	db_init;
		3423
		3424	cf::load_settings;
		3425	cf::load_materials;
		3426	cf::init_uuid;
		3427	cf::init_signals;
		3428	cf::init_commands;
		3429	cf::init_skills;
		3430
		3431	cf::init_beforeplay;
		3432
		3433	atomic;
		3434
3194	load_extensions;	3435	load_extensions;
3195		3436
3196	$TICK_WATCHER->start;	3437	utime time, time, $RUNTIMEFILE;
		3438
		3439	# no (long-running) fork's whatsoever before this point(!)
		3440	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3441
		3442	(pop @POST_INIT)->(0) while @POST_INIT;
		3443	};
		3444
3197	Event::loop;	3445	EV::loop;
3198	}	3446	}
3199		3447
3200	#############################################################################	3448	#############################################################################
3201	# initialisation and cleanup	3449	# initialisation and cleanup
3202		3450
3203	# install some emergency cleanup handlers	3451	# install some emergency cleanup handlers
3204	BEGIN {	3452	BEGIN {
		3453	our %SIGWATCHER = ();
3205	for my $signal (qw(INT HUP TERM)) {	3454	for my $signal (qw(INT HUP TERM)) {
3206	Event->signal (	3455	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3207	reentrant => 0,
3208	data => WF_AUTOCANCEL,
3209	signal => $signal,
3210	prio => 0,
3211	cb => sub {
3212	cf::cleanup "SIG$signal";	3456	cf::cleanup "SIG$signal";
3213	},
3214	);	3457	};
3215	}	3458	}
3216	}	3459	}
3217		3460
3218	sub write_runtime {	3461	sub write_runtime_sync {
3219	my $runtime = "$LOCALDIR/runtime";
3220
3221	# first touch the runtime file to show we are still running:	3462	# first touch the runtime file to show we are still running:
3222	# the fsync below can take a very very long time.	3463	# the fsync below can take a very very long time.
3223		3464
3224	IO::AIO::aio_utime $runtime, undef, undef;	3465	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3225		3466
3226	my $guard = cf::lock_acquire "write_runtime";	3467	my $guard = cf::lock_acquire "write_runtime";
3227		3468
3228	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3469	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3229	or return;	3470	or return;
3230		3471
3231	my $value = $cf::RUNTIME + 90 + 10;	3472	my $value = $cf::RUNTIME + 90 + 10;
3232	# 10 is the runtime save interval, for a monotonic clock	3473	# 10 is the runtime save interval, for a monotonic clock
3233	# 60 allows for the watchdog to kill the server.	3474	# 60 allows for the watchdog to kill the server.
…		…
3243	aio_utime $fh, undef, undef;	3484	aio_utime $fh, undef, undef;
3244		3485
3245	close $fh	3486	close $fh
3246	or return;	3487	or return;
3247		3488
3248	aio_rename "$runtime~", $runtime	3489	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3249	and return;	3490	and return;
3250		3491
3251	warn "runtime file written.\n";	3492	warn "runtime file written.\n";
3252		3493
3253	1	3494	1
		3495	}
		3496
		3497	our $uuid_lock;
		3498	our $uuid_skip;
		3499
		3500	sub write_uuid_sync($) {
		3501	$uuid_skip ||= $_[0];
		3502
		3503	return if $uuid_lock;
		3504	local $uuid_lock = 1;
		3505
		3506	my $uuid = "$LOCALDIR/uuid";
		3507
		3508	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3509	or return;
		3510
		3511	my $value = uuid_seq uuid_cur;
		3512
		3513	unless ($value) {
		3514	warn "cowardly refusing to write zero uuid value!\n";
		3515	return;
		3516	}
		3517
		3518	my $value = uuid_str $value + $uuid_skip;
		3519	$uuid_skip = 0;
		3520
		3521	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3522	and return;
		3523
		3524	# always fsync - this file is important
		3525	aio_fsync $fh
		3526	and return;
		3527
		3528	close $fh
		3529	or return;
		3530
		3531	aio_rename "$uuid~", $uuid
		3532	and return;
		3533
		3534	warn "uuid file written ($value).\n";
		3535
		3536	1
		3537
		3538	}
		3539
		3540	sub write_uuid($$) {
		3541	my ($skip, $sync) = @_;
		3542
		3543	$sync ? write_uuid_sync $skip
		3544	: async { write_uuid_sync $skip };
3254	}	3545	}
3255		3546
3256	sub emergency_save() {	3547	sub emergency_save() {
3257	my $freeze_guard = cf::freeze_mainloop;	3548	my $freeze_guard = cf::freeze_mainloop;
3258		3549
3259	warn "enter emergency perl save\n";	3550	warn "emergency_perl_save: enter\n";
3260		3551
3261	cf::sync_job {	3552	cf::sync_job {
		3553	# this is a trade-off: we want to be very quick here, so
		3554	# save all maps without fsync, and later call a global sync
		3555	# (which in turn might be very very slow)
		3556	local $USE_FSYNC = 0;
		3557
3262	# use a peculiar iteration method to avoid tripping on perl	3558	# use a peculiar iteration method to avoid tripping on perl
3263	# refcount bugs in for. also avoids problems with players	3559	# refcount bugs in for. also avoids problems with players
3264	# and maps saved/destroyed asynchronously.	3560	# and maps saved/destroyed asynchronously.
3265	warn "begin emergency player save\n";	3561	warn "emergency_perl_save: begin player save\n";
3266	for my $login (keys %cf::PLAYER) {	3562	for my $login (keys %cf::PLAYER) {
3267	my $pl = $cf::PLAYER{$login} or next;	3563	my $pl = $cf::PLAYER{$login} or next;
3268	$pl->valid or next;	3564	$pl->valid or next;
		3565	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3269	$pl->save;	3566	$pl->save;
3270	}	3567	}
3271	warn "end emergency player save\n";	3568	warn "emergency_perl_save: end player save\n";
3272		3569
3273	warn "begin emergency map save\n";	3570	warn "emergency_perl_save: begin map save\n";
3274	for my $path (keys %cf::MAP) {	3571	for my $path (keys %cf::MAP) {
3275	my $map = $cf::MAP{$path} or next;	3572	my $map = $cf::MAP{$path} or next;
3276	$map->valid or next;	3573	$map->valid or next;
3277	$map->save;	3574	$map->save;
3278	}	3575	}
3279	warn "end emergency map save\n";	3576	warn "emergency_perl_save: end map save\n";
3280		3577
3281	warn "begin emergency database checkpoint\n";	3578	warn "emergency_perl_save: begin database checkpoint\n";
3282	BDB::db_env_txn_checkpoint $DB_ENV;	3579	BDB::db_env_txn_checkpoint $DB_ENV;
3283	warn "end emergency database checkpoint\n";	3580	warn "emergency_perl_save: end database checkpoint\n";
		3581
		3582	warn "emergency_perl_save: begin write uuid\n";
		3583	write_uuid_sync 1;
		3584	warn "emergency_perl_save: end write uuid\n";
3284	};	3585	};
3285		3586
		3587	warn "emergency_perl_save: starting sync()\n";
		3588	IO::AIO::aio_sync sub {
		3589	warn "emergency_perl_save: finished sync()\n";
		3590	};
		3591
3286	warn "leave emergency perl save\n";	3592	warn "emergency_perl_save: leave\n";
3287	}	3593	}
3288		3594
3289	sub post_cleanup {	3595	sub post_cleanup {
3290	my ($make_core) = @_;	3596	my ($make_core) = @_;
3291		3597
3292	warn Carp::longmess "post_cleanup backtrace"	3598	warn Carp::longmess "post_cleanup backtrace"
3293	if $make_core;	3599	if $make_core;
		3600
		3601	my $fh = pidfile;
		3602	unlink $PIDFILE if <$fh> == $$;
		3603	}
		3604
		3605	# a safer delete_package, copied from Symbol
		3606	sub clear_package($) {
		3607	my $pkg = shift;
		3608
		3609	# expand to full symbol table name if needed
		3610	unless ($pkg =~ /^main::.*::$/) {
		3611	$pkg = "main$pkg" if $pkg =~ /^::/;
		3612	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3613	$pkg .= '::' unless $pkg =~ /::$/;
		3614	}
		3615
		3616	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3617	my $stem_symtab = *{$stem}{HASH};
		3618
		3619	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3620	or return;
		3621
		3622	# clear all symbols
		3623	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3624	for my $name (keys %$leaf_symtab) {
		3625	_gv_clear *{"$pkg$name"};
		3626	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3627	}
		3628	warn "cleared package $pkg\n";#d#
3294	}	3629	}
3295		3630
3296	sub do_reload_perl() {	3631	sub do_reload_perl() {
3297	# can/must only be called in main	3632	# can/must only be called in main
3298	if ($Coro::current != $Coro::main) {	3633	if ($Coro::current != $Coro::main) {
3299	warn "can only reload from main coroutine";	3634	warn "can only reload from main coroutine";
3300	return;	3635	return;
3301	}	3636	}
3302		3637
		3638	return if $RELOAD++;
		3639
		3640	my $t1 = EV::time;
		3641
		3642	while ($RELOAD) {
3303	warn "reloading...";	3643	warn "reloading...";
3304		3644
3305	warn "entering sync_job";	3645	warn "entering sync_job";
3306		3646
3307	cf::sync_job {	3647	cf::sync_job {
3308	cf::write_runtime; # external watchdog should not bark	3648	cf::write_runtime_sync; # external watchdog should not bark
3309	cf::emergency_save;	3649	cf::emergency_save;
3310	cf::write_runtime; # external watchdog should not bark	3650	cf::write_runtime_sync; # external watchdog should not bark
3311		3651
3312	warn "syncing database to disk";	3652	warn "syncing database to disk";
3313	BDB::db_env_txn_checkpoint $DB_ENV;	3653	BDB::db_env_txn_checkpoint $DB_ENV;
3314		3654
3315	# if anything goes wrong in here, we should simply crash as we already saved	3655	# if anything goes wrong in here, we should simply crash as we already saved
3316		3656
3317	warn "cancelling all WF_AUTOCANCEL watchers";
3318	for (Event::all_watchers) {
3319	$_->cancel if $_->data & WF_AUTOCANCEL;
3320	}
3321
3322	warn "flushing outstanding aio requests";	3657	warn "flushing outstanding aio requests";
3323	for (;;) {
3324	BDB::flush;
3325	IO::AIO::flush;
3326	Coro::cede;
3327	last unless IO::AIO::nreqs || BDB::nreqs;	3658	while (IO::AIO::nreqs || BDB::nreqs) {
3328	warn "iterate...";	3659	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3329	}
3330
3331	++$RELOAD;
3332
3333	warn "cancelling all extension coros";
3334	$_->cancel for values %EXT_CORO;
3335	%EXT_CORO = ();
3336
3337	warn "removing commands";
3338	%COMMAND = ();
3339
3340	warn "removing ext/exti commands";
3341	%EXTCMD = ();
3342	%EXTICMD = ();
3343
3344	warn "unloading/nuking all extensions";
3345	for my $pkg (@EXTS) {
3346	warn "... unloading $pkg";
3347
3348	if (my $cb = $pkg->can ("unload")) {
3349	eval {
3350	$cb->($pkg);
3351	1
3352	} or warn "$pkg unloaded, but with errors: $@";
3353	}	3660	}
3354		3661
3355	warn "... nuking $pkg";	3662	warn "cancelling all extension coros";
3356	Symbol::delete_package $pkg;	3663	$_->cancel for values %EXT_CORO;
3357	}	3664	%EXT_CORO = ();
3358		3665
3359	warn "unloading all perl modules loaded from $LIBDIR";	3666	warn "removing commands";
3360	while (my ($k, $v) = each %INC) {	3667	%COMMAND = ();
3361	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3362		3668
		3669	warn "removing ext/exti commands";
		3670	%EXTCMD = ();
		3671	%EXTICMD = ();
		3672
		3673	warn "unloading/nuking all extensions";
		3674	for my $pkg (@EXTS) {
3363	warn "... unloading $k";	3675	warn "... unloading $pkg";
3364	delete $INC{$k};
3365		3676
3366	$k =~ s/\.pm$//;
3367	$k =~ s/\//::/g;
3368
3369	if (my $cb = $k->can ("unload_module")) {	3677	if (my $cb = $pkg->can ("unload")) {
		3678	eval {
3370	$cb->();	3679	$cb->($pkg);
		3680	1
		3681	} or warn "$pkg unloaded, but with errors: $@";
		3682	}
		3683
		3684	warn "... clearing $pkg";
		3685	clear_package $pkg;
3371	}	3686	}
3372		3687
3373	Symbol::delete_package $k;	3688	warn "unloading all perl modules loaded from $LIBDIR";
		3689	while (my ($k, $v) = each %INC) {
		3690	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3691
		3692	warn "... unloading $k";
		3693	delete $INC{$k};
		3694
		3695	$k =~ s/\.pm$//;
		3696	$k =~ s/\//::/g;
		3697
		3698	if (my $cb = $k->can ("unload_module")) {
		3699	$cb->();
		3700	}
		3701
		3702	clear_package $k;
3374	}	3703	}
3375		3704
3376	warn "getting rid of safe::, as good as possible";	3705	warn "getting rid of safe::, as good as possible";
3377	Symbol::delete_package "safe::$_"	3706	clear_package "safe::$_"
3378	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3707	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3379		3708
3380	warn "unloading cf.pm \"a bit\"";	3709	warn "unloading cf.pm \"a bit\"";
3381	delete $INC{"cf.pm"};	3710	delete $INC{"cf.pm"};
3382	delete $INC{"cf/pod.pm"};	3711	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3383		3712
3384	# don't, removes xs symbols, too,	3713	# don't, removes xs symbols, too,
3385	# and global variables created in xs	3714	# and global variables created in xs
3386	#Symbol::delete_package __PACKAGE__;	3715	#clear_package __PACKAGE__;
3387		3716
3388	warn "unload completed, starting to reload now";	3717	warn "unload completed, starting to reload now";
3389		3718
3390	warn "reloading cf.pm";	3719	warn "reloading cf.pm";
3391	require cf;	3720	require cf;
3392	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3721	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3393		3722
3394	warn "loading config and database again";	3723	warn "loading config and database again";
3395	cf::reload_config;	3724	cf::reload_config;
3396		3725
3397	warn "loading extensions";	3726	warn "loading extensions";
3398	cf::load_extensions;	3727	cf::load_extensions;
3399		3728
		3729	if ($REATTACH_ON_RELOAD) {
3400	warn "reattaching attachments to objects/players";	3730	warn "reattaching attachments to objects/players";
3401	_global_reattach; # objects, sockets	3731	_global_reattach; # objects, sockets
3402	warn "reattaching attachments to maps";	3732	warn "reattaching attachments to maps";
3403	reattach $_ for values %MAP;	3733	reattach $_ for values %MAP;
3404	warn "reattaching attachments to players";	3734	warn "reattaching attachments to players";
3405	reattach $_ for values %PLAYER;	3735	reattach $_ for values %PLAYER;
		3736	}
3406		3737
		3738	warn "running post_init jobs";
		3739	(pop @POST_INIT)->(1) while @POST_INIT;
		3740
3407	warn "leaving sync_job";	3741	warn "leaving sync_job";
3408		3742
3409	1	3743	1
3410	} or do {	3744	} or do {
3411	warn $@;	3745	warn $@;
3412	warn "error while reloading, exiting.";	3746	cf::cleanup "error while reloading, exiting.";
3413	exit 1;
3414	};	3747	};
3415		3748
3416	warn "reloaded";	3749	warn "reloaded";
		3750	--$RELOAD;
		3751	}
		3752
		3753	$t1 = EV::time - $t1;
		3754	warn "reload completed in ${t1}s\n";
3417	};	3755	};
3418		3756
3419	our $RELOAD_WATCHER; # used only during reload	3757	our $RELOAD_WATCHER; # used only during reload
3420		3758
3421	sub reload_perl() {	3759	sub reload_perl() {
3422	# doing reload synchronously and two reloads happen back-to-back,	3760	# doing reload synchronously and two reloads happen back-to-back,
3423	# coro crashes during coro_state_free->destroy here.	3761	# coro crashes during coro_state_free->destroy here.
3424		3762
3425	$RELOAD_WATCHER ||= Event->timer (	3763	$RELOAD_WATCHER ||= cf::async {
3426	reentrant => 0,	3764	Coro::AIO::aio_wait cache_extensions;
3427	after => 0,	3765
3428	data => WF_AUTOCANCEL,	3766	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3429	cb => sub {
3430	do_reload_perl;	3767	do_reload_perl;
3431	undef $RELOAD_WATCHER;	3768	undef $RELOAD_WATCHER;
3432	},	3769	};
3433	);	3770	};
3434	}	3771	}
3435		3772
3436	register_command "reload" => sub {	3773	register_command "reload" => sub {
3437	my ($who, $arg) = @_;	3774	my ($who, $arg) = @_;
3438		3775
3439	if ($who->flag (FLAG_WIZ)) {	3776	if ($who->flag (FLAG_WIZ)) {
3440	$who->message ("reloading server.");	3777	$who->message ("reloading server.");
		3778	async {
		3779	$Coro::current->{desc} = "perl_reload";
3441	async { reload_perl };	3780	reload_perl;
		3781	};
3442	}	3782	}
3443	};	3783	};
3444		3784
3445	unshift @INC, $LIBDIR;	3785	unshift @INC, $LIBDIR;
3446		3786
…		…
3448		3788
3449	our @WAIT_FOR_TICK;	3789	our @WAIT_FOR_TICK;
3450	our @WAIT_FOR_TICK_BEGIN;	3790	our @WAIT_FOR_TICK_BEGIN;
3451		3791
3452	sub wait_for_tick {	3792	sub wait_for_tick {
3453	return unless $TICK_WATCHER->is_active;
3454	return if $Coro::current == $Coro::main;	3793	return if tick_inhibit || $Coro::current == $Coro::main;
3455		3794
3456	my $signal = new Coro::Signal;	3795	my $signal = new Coro::Signal;
3457	push @WAIT_FOR_TICK, $signal;	3796	push @WAIT_FOR_TICK, $signal;
3458	$signal->wait;	3797	$signal->wait;
3459	}	3798	}
3460		3799
3461	sub wait_for_tick_begin {	3800	sub wait_for_tick_begin {
3462	return unless $TICK_WATCHER->is_active;
3463	return if $Coro::current == $Coro::main;	3801	return if tick_inhibit || $Coro::current == $Coro::main;
3464		3802
3465	my $signal = new Coro::Signal;	3803	my $signal = new Coro::Signal;
3466	push @WAIT_FOR_TICK_BEGIN, $signal;	3804	push @WAIT_FOR_TICK_BEGIN, $signal;
3467	$signal->wait;	3805	$signal->wait;
3468	}	3806	}
3469		3807
3470	$TICK_WATCHER = Event->timer (	3808	sub tick {
3471	reentrant => 0,
3472	parked => 1,
3473	prio => 0,
3474	at => $NEXT_TICK || $TICK,
3475	data => WF_AUTOCANCEL,
3476	cb => sub {
3477	if ($Coro::current != $Coro::main) {	3809	if ($Coro::current != $Coro::main) {
3478	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3810	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3479	unless ++$bug_warning > 10;	3811	unless ++$bug_warning > 10;
3480	return;	3812	return;
3481	}	3813	}
3482		3814
3483	$NOW = $tick_start = Event::time;
3484
3485	cf::server_tick; # one server iteration	3815	cf::server_tick; # one server iteration
3486		3816
3487	$RUNTIME += $TICK;
3488	$NEXT_TICK += $TICK;
3489
3490	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3817	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3491	$NEXT_RUNTIME_WRITE = $NOW + 10;	3818	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3492	Coro::async_pool {	3819	Coro::async_pool {
		3820	$Coro::current->{desc} = "runtime saver";
3493	write_runtime	3821	write_runtime_sync
3494	or warn "ERROR: unable to write runtime file: $!";	3822	or warn "ERROR: unable to write runtime file: $!";
3495	};
3496	}	3823	};
		3824	}
3497		3825
3498	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3826	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3499	$sig->send;	3827	$sig->send;
3500	}	3828	}
3501	while (my $sig = shift @WAIT_FOR_TICK) {	3829	while (my $sig = shift @WAIT_FOR_TICK) {
3502	$sig->send;	3830	$sig->send;
3503	}	3831	}
3504		3832
3505	$NOW = Event::time;	3833	$LOAD = ($NOW - $TICK_START) / $TICK;
3506
3507	# if we are delayed by four ticks or more, skip them all
3508	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3509
3510	$TICK_WATCHER->at ($NEXT_TICK);
3511	$TICK_WATCHER->start;
3512
3513	$LOAD = ($NOW - $tick_start) / $TICK;
3514	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3834	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3515		3835
3516	_post_tick;	3836	if (0) {
		3837	if ($NEXT_TICK) {
		3838	my $jitter = $TICK_START - $NEXT_TICK;
		3839	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3840	warn "jitter $JITTER\n";#d#
		3841	}
3517	},	3842	}
3518	);	3843	}
3519		3844
3520	{	3845	{
		3846	# configure BDB
		3847
3521	BDB::min_parallel 8;	3848	BDB::min_parallel 8;
3522	BDB::max_poll_time $TICK * 0.1;	3849	BDB::max_poll_reqs $TICK * 0.1;
3523	$BDB_POLL_WATCHER = Event->io (	3850	$AnyEvent::BDB::WATCHER->priority (1);
3524	reentrant => 0,
3525	fd => BDB::poll_fileno,
3526	poll => 'r',
3527	prio => 0,
3528	data => WF_AUTOCANCEL,
3529	cb => \&BDB::poll_cb,
3530	);
3531
3532	BDB::set_sync_prepare {
3533	my $status;
3534	my $current = $Coro::current;
3535	(
3536	sub {
3537	$status = $!;
3538	$current->ready; undef $current;
3539	},
3540	sub {
3541	Coro::schedule while defined $current;
3542	$! = $status;
3543	},
3544	)
3545	};
3546		3851
3547	unless ($DB_ENV) {	3852	unless ($DB_ENV) {
3548	$DB_ENV = BDB::db_env_create;	3853	$DB_ENV = BDB::db_env_create;
3549	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	3854	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3550	| BDB::LOG_AUTOREMOVE, 1);	3855	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3856	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3551	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	3857	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3552	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	3858	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3553		3859
3554	cf::sync_job {	3860	cf::sync_job {
3555	eval {	3861	eval {
…		…
3565		3871
3566	cf::cleanup "db_env_open(db): $@" if $@;	3872	cf::cleanup "db_env_open(db): $@" if $@;
3567	};	3873	};
3568	}	3874	}
3569		3875
3570	$BDB_DEADLOCK_WATCHER = Event->timer (	3876	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3571	after => 3,
3572	interval => 1,
3573	hard => 1,
3574	prio => 0,
3575	data => WF_AUTOCANCEL,
3576	cb => sub {
3577	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };	3877	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3578	},
3579	);	3878	};
3580	$BDB_CHECKPOINT_WATCHER = Event->timer (	3879	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3581	after => 11,
3582	interval => 60,
3583	hard => 1,
3584	prio => 0,
3585	data => WF_AUTOCANCEL,
3586	cb => sub {
3587	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	3880	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3588	},
3589	);	3881	};
3590	$BDB_TRICKLE_WATCHER = Event->timer (	3882	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3591	after => 5,
3592	interval => 10,
3593	hard => 1,
3594	prio => 0,
3595	data => WF_AUTOCANCEL,
3596	cb => sub {
3597	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	3883	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3598	},
3599	);	3884	};
3600	}	3885	}
3601		3886
3602	{	3887	{
		3888	# configure IO::AIO
		3889
3603	IO::AIO::min_parallel 8;	3890	IO::AIO::min_parallel 8;
3604
3605	undef $Coro::AIO::WATCHER;
3606	IO::AIO::max_poll_time $TICK * 0.1;	3891	IO::AIO::max_poll_time $TICK * 0.1;
3607	$AIO_POLL_WATCHER = Event->io (	3892	undef $AnyEvent::AIO::WATCHER;
3608	reentrant => 0,
3609	data => WF_AUTOCANCEL,
3610	fd => IO::AIO::poll_fileno,
3611	poll => 'r',
3612	prio => 6,
3613	cb => \&IO::AIO::poll_cb,
3614	);
3615	}	3893	}
3616		3894
3617	my $_log_backtrace;	3895	my $_log_backtrace;
3618		3896
3619	sub _log_backtrace {	3897	sub _log_backtrace {
…		…
3622	$msg =~ s/\n//;	3900	$msg =~ s/\n//;
3623		3901
3624	# limit the # of concurrent backtraces	3902	# limit the # of concurrent backtraces
3625	if ($_log_backtrace < 2) {	3903	if ($_log_backtrace < 2) {
3626	++$_log_backtrace;	3904	++$_log_backtrace;
		3905	my $perl_bt = Carp::longmess $msg;
3627	async {	3906	async {
		3907	$Coro::current->{desc} = "abt $msg";
		3908
3628	my @bt = fork_call {	3909	my @bt = fork_call {
3629	@addr = map { sprintf "%x", $_ } @addr;	3910	@addr = map { sprintf "%x", $_ } @addr;
3630	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3911	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3631	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3912	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3632	or die "addr2line: $!";	3913	or die "addr2line: $!";
…		…
3640	}	3921	}
3641		3922
3642	@funcs	3923	@funcs
3643	};	3924	};
3644		3925
3645	LOG llevInfo, "[ABT] $msg\n";	3926	LOG llevInfo, "[ABT] $perl_bt\n";
		3927	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3646	LOG llevInfo, "[ABT] $_\n" for @bt;	3928	LOG llevInfo, "[ABT] $_\n" for @bt;
3647	--$_log_backtrace;	3929	--$_log_backtrace;
3648	};	3930	};
3649	} else {	3931	} else {
3650	LOG llevInfo, "[ABT] $msg\n";	3932	LOG llevInfo, "[ABT] $msg\n";
3651	LOG llevInfo, "[ABT] [suppressed]\n";	3933	LOG llevInfo, "[ABT] [suppressed]\n";
3652	}	3934	}
3653	}	3935	}
3654		3936
3655	# load additional modules	3937	# load additional modules
3656	use cf::pod;	3938	require "cf/$_.pm" for @EXTRA_MODULES;
3657		3939
3658	END { cf::emergency_save }	3940	END { cf::emergency_save }
3659		3941
3660	1	3942	1
3661		3943

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