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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.321 by root, Thu Jul 26 21:44:43 2007 UTC vs.
Revision 1.448 by root, Fri Sep 19 05:30:23 2008 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 "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
15	use Coro 3.61 ();	37	use Coro ();
16	use Coro::State;	38	use Coro::State;
17	use Coro::Handle;	39	use Coro::Handle;
		40	use Coro::EV;
18	use Coro::Event;	41	use Coro::AnyEvent;
19	use Coro::Timer;	42	use Coro::Timer;
20	use Coro::Signal;	43	use Coro::Signal;
21	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
22	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
23	use Coro::Storable;	48	use Coro::Storable;
		49	use Coro::Util ();
24		50
25	use JSON::XS 1.4 ();	51	use JSON::XS 2.01 ();
26	use BDB ();	52	use BDB ();
27	use Data::Dumper;	53	use Data::Dumper;
28	use Digest::MD5;	54	use Digest::MD5;
29	use Fcntl;	55	use Fcntl;
30	use YAML::Syck ();	56	use YAML ();
31	use IO::AIO 2.32 ();	57	use IO::AIO ();
32	use Time::HiRes;	58	use Time::HiRes;
33	use Compress::LZF;	59	use Compress::LZF;
34	use Digest::MD5 ();	60	use Digest::MD5 ();
		61
		62	AnyEvent::detect;
35		63
36	# configure various modules to our taste	64	# configure various modules to our taste
37	#	65	#
38	$Storable::canonical = 1; # reduce rsync transfers	66	$Storable::canonical = 1; # reduce rsync transfers
39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
41
42	$Event::Eval = 1; # no idea why this is required, but it is
43
44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
45	$YAML::Syck::ImplicitUnicode = 1;
46		68
47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	69	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		70
		71	{
		72	# very ugly, but ensure we acquire the storable lock
		73
		74	sub net_mstore {
		75	my $guard = Coro::Storable::guard;
		76	&Storable::net_mstore
		77	}
		78
		79	sub mretrieve {
		80	my $guard = Coro::Storable::guard;
		81	&Storable::mretrieve
		82	}
		83
		84	Compress::LZF::set_serializer "Coro::Storable", "cf::net_mstore", "cf::mretrieve";
		85	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		86	}
48		87
49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	88	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
50		89
51	our %COMMAND = ();	90	our %COMMAND = ();
52	our %COMMAND_TIME = ();	91	our %COMMAND_TIME = ();
…		…
58	our %EXT_MAP = (); # pluggable maps	97	our %EXT_MAP = (); # pluggable maps
59		98
60	our $RELOAD; # number of reloads so far	99	our $RELOAD; # number of reloads so far
61	our @EVENT;	100	our @EVENT;
62		101
63	our $CONFDIR = confdir;	102	our $CONFDIR = confdir;
64	our $DATADIR = datadir;	103	our $DATADIR = datadir;
65	our $LIBDIR = "$DATADIR/ext";	104	our $LIBDIR = "$DATADIR/ext";
66	our $PODDIR = "$DATADIR/pod";	105	our $PODDIR = "$DATADIR/pod";
67	our $MAPDIR = "$DATADIR/" . mapdir;	106	our $MAPDIR = "$DATADIR/" . mapdir;
68	our $LOCALDIR = localdir;	107	our $LOCALDIR = localdir;
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	108	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	109	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	110	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	111	our $RANDOMDIR = "$LOCALDIR/random";
73	our $BDBDIR = "$LOCALDIR/db";	112	our $BDBDIR = "$LOCALDIR/db";
		113	our $PIDFILE = "$LOCALDIR/pid";
		114	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		115
		116	our %RESOURCE;
74		117
75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	118	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
76	our $TICK_WATCHER;
77	our $AIO_POLL_WATCHER;
78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	119	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79	our $NEXT_TICK;	120	our $NEXT_TICK;
80	our $NOW;
81	our $USE_FSYNC = 1; # use fsync to write maps - default off	121	our $USE_FSYNC = 1; # use fsync to write maps - default off
82		122
		123	our $BDB_DEADLOCK_WATCHER;
		124	our $BDB_CHECKPOINT_WATCHER;
83	our $BDB_POLL_WATCHER;	125	our $BDB_TRICKLE_WATCHER;
84	our $DB_ENV;	126	our $DB_ENV;
85		127
86	our %CFG;	128	our %CFG;
87		129
88	our $UPTIME; $UPTIME ||= time;	130	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;	131	our $RUNTIME;
		132	our $NOW;
90		133
91	our %PLAYER; # all users	134	our (%PLAYER, %PLAYER_LOADING); # all users
92	our %MAP; # all maps	135	our (%MAP, %MAP_LOADING ); # all maps
93	our $LINK_MAP; # the special {link} map, which is always available	136	our $LINK_MAP; # the special {link} map, which is always available
94		137
95	# used to convert map paths into valid unix filenames by replacing / by ∕	138	# used to convert map paths into valid unix filenames by replacing / by ∕
96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	139	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97		140
98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	141	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
99	our $LOADAVG; # same thing, but with alpha-smoothing	142	our $LOADAVG; # same thing, but with alpha-smoothing
		143	our $JITTER; # average jitter
100	our $tick_start; # for load detecting purposes	144	our $TICK_START; # for load detecting purposes
101		145
102	binmode STDOUT;	146	binmode STDOUT;
103	binmode STDERR;	147	binmode STDERR;
104		148
105	# read virtual server time, if available	149	# read virtual server time, if available
106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	150	unless ($RUNTIME || !-e $RUNTIMEFILE) {
107	open my $fh, "<", "$LOCALDIR/runtime"	151	open my $fh, "<", $RUNTIMEFILE
108	or die "unable to read runtime file: $!";	152	or die "unable to read $RUNTIMEFILE file: $!";
109	$RUNTIME = <$fh> + 0.;	153	$RUNTIME = <$fh> + 0.;
110	}	154	}
111		155
112	mkdir $_	156	mkdir $_
113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	157	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
158		202
159	The raw value load value from the last tick.	203	The raw value load value from the last tick.
160		204
161	=item %cf::CFG	205	=item %cf::CFG
162		206
163	Configuration for the server, loaded from C</etc/crossfire/config>, or	207	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164	from wherever your confdir points to.	208	from wherever your confdir points to.
165		209
166	=item cf::wait_for_tick, cf::wait_for_tick_begin	210	=item cf::wait_for_tick, cf::wait_for_tick_begin
167		211
168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	212	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
…		…
186	$msg .= "\n"	230	$msg .= "\n"
187	unless $msg =~ /\n$/;	231	unless $msg =~ /\n$/;
188		232
189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	233	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
190		234
191	utf8::encode $msg;
192	LOG llevError, $msg;	235	LOG llevError, $msg;
193	};	236	};
194	}	237	}
		238
		239	$Coro::State::DIEHOOK = sub {
		240	return unless $^S eq 0; # "eq", not "=="
		241
		242	if ($Coro::current == $Coro::main) {#d#
		243	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		244	return;#d#
		245	}#d#
		246
		247	# kill coroutine otherwise
		248	warn Carp::longmess $_[0];
		249	Coro::terminate
		250	};
		251
		252	$SIG{__DIE__} = sub { }; #d#?
195		253
196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	254	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	255	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	256	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	257	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
206	for my $pkg (qw(	264	for my $pkg (qw(
207	cf::global cf::attachable	265	cf::global cf::attachable
208	cf::object cf::object::player	266	cf::object cf::object::player
209	cf::client cf::player	267	cf::client cf::player
210	cf::arch cf::living	268	cf::arch cf::living
		269	cf::map cf::mapspace
211	cf::map cf::party cf::region	270	cf::party cf::region
212	)) {	271	)) {
213	no strict 'refs';
214	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	272	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
215	}	273	}
216		274
217	$Event::DIED = sub {	275	$EV::DIED = sub {
218	warn "error in event callback: @_";	276	warn "error in event callback: @_";
219	};	277	};
220		278
221	#############################################################################	279	#############################################################################
222		280
…		…
245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	303	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
246	$d	304	$d
247	} || "[unable to dump $_[0]: '$@']";	305	} || "[unable to dump $_[0]: '$@']";
248	}	306	}
249		307
250	=item $ref = cf::from_json $json	308	=item $ref = cf::decode_json $json
251		309
252	Converts a JSON string into the corresponding perl data structure.	310	Converts a JSON string into the corresponding perl data structure.
253		311
254	=item $json = cf::to_json $ref	312	=item $json = cf::encode_json $ref
255		313
256	Converts a perl data structure into its JSON representation.	314	Converts a perl data structure into its JSON representation.
257		315
258	=cut	316	=cut
259		317
260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	318	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
261		319
262	sub to_json ($) { $json_coder->encode ($_[0]) }	320	sub encode_json($) { $json_coder->encode ($_[0]) }
263	sub from_json ($) { $json_coder->decode ($_[0]) }	321	sub decode_json($) { $json_coder->decode ($_[0]) }
264		322
265	=item cf::lock_wait $string	323	=item cf::lock_wait $string
266		324
267	Wait until the given lock is available. See cf::lock_acquire.	325	Wait until the given lock is available. See cf::lock_acquire.
268		326
…		…
271	Wait until the given lock is available and then acquires it and returns	329	Wait until the given lock is available and then acquires it and returns
272	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	330	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
273	for example when the coroutine gets canceled), the lock is automatically	331	for example when the coroutine gets canceled), the lock is automatically
274	returned.	332	returned.
275		333
		334	Locks are *not* recursive, locking from the same coro twice results in a
		335	deadlocked coro.
		336
276	Lock names should begin with a unique identifier (for example, cf::map::find	337	Lock names should begin with a unique identifier (for example, cf::map::find
277	uses map_find and cf::map::load uses map_load).	338	uses map_find and cf::map::load uses map_load).
278		339
279	=item $locked = cf::lock_active $string	340	=item $locked = cf::lock_active $string
280		341
281	Return true if the lock is currently active, i.e. somebody has locked it.	342	Return true if the lock is currently active, i.e. somebody has locked it.
282		343
283	=cut	344	=cut
284		345
285	our %LOCK;	346	our %LOCK;
		347	our %LOCKER;#d#
286		348
287	sub lock_wait($) {	349	sub lock_wait($) {
288	my ($key) = @_;	350	my ($key) = @_;
		351
		352	if ($LOCKER{$key} == $Coro::current) {#d#
		353	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		354	return;#d#
		355	}#d#
289		356
290	# wait for lock, if any	357	# wait for lock, if any
291	while ($LOCK{$key}) {	358	while ($LOCK{$key}) {
292	push @{ $LOCK{$key} }, $Coro::current;	359	push @{ $LOCK{$key} }, $Coro::current;
293	Coro::schedule;	360	Coro::schedule;
…		…
299		366
300	# wait, to be sure we are not locked	367	# wait, to be sure we are not locked
301	lock_wait $key;	368	lock_wait $key;
302		369
303	$LOCK{$key} = [];	370	$LOCK{$key} = [];
		371	$LOCKER{$key} = $Coro::current;#d#
304		372
305	Coro::guard {	373	Coro::guard {
		374	delete $LOCKER{$key};#d#
306	# wake up all waiters, to be on the safe side	375	# wake up all waiters, to be on the safe side
307	$_->ready for @{ delete $LOCK{$key} };	376	$_->ready for @{ delete $LOCK{$key} };
308	}	377	}
309	}	378	}
310		379
…		…
313		382
314	! ! $LOCK{$key}	383	! ! $LOCK{$key}
315	}	384	}
316		385
317	sub freeze_mainloop {	386	sub freeze_mainloop {
318	return unless $TICK_WATCHER->is_active;	387	tick_inhibit_inc;
319		388
320	my $guard = Coro::guard {	389	Coro::guard \&tick_inhibit_dec;
321	$TICK_WATCHER->start;	390	}
322	};	391
323	$TICK_WATCHER->stop;	392	=item cf::periodic $interval, $cb
324	$guard	393
		394	Like EV::periodic, but randomly selects a starting point so that the actions
		395	get spread over timer.
		396
		397	=cut
		398
		399	sub periodic($$) {
		400	my ($interval, $cb) = @_;
		401
		402	my $start = rand List::Util::min 180, $interval;
		403
		404	EV::periodic $start, $interval, 0, $cb
325	}	405	}
326		406
327	=item cf::get_slot $time[, $priority[, $name]]	407	=item cf::get_slot $time[, $priority[, $name]]
328		408
329	Allocate $time seconds of blocking CPU time at priority C<$priority>:	409	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
340	our @SLOT_QUEUE;	420	our @SLOT_QUEUE;
341	our $SLOT_QUEUE;	421	our $SLOT_QUEUE;
342		422
343	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	423	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
344	$SLOT_QUEUE = Coro::async {	424	$SLOT_QUEUE = Coro::async {
		425	$Coro::current->desc ("timeslot manager");
		426
345	my $signal = new Coro::Signal;	427	my $signal = new Coro::Signal;
346		428
347	while () {	429	while () {
348	next_job:	430	next_job:
349	my $avail = cf::till_tick;	431	my $avail = cf::till_tick;
…		…
357	}	439	}
358	}	440	}
359	}	441	}
360		442
361	if (@SLOT_QUEUE) {	443	if (@SLOT_QUEUE) {
362	# we do not use wait_For_tick() as it returns immediately when tick is inactive	444	# we do not use wait_for_tick() as it returns immediately when tick is inactive
363	push @cf::WAIT_FOR_TICK, $signal;	445	push @cf::WAIT_FOR_TICK, $signal;
364	$signal->wait;	446	$signal->wait;
365	} else {	447	} else {
366	Coro::schedule;	448	Coro::schedule;
367	}	449	}
368	}	450	}
369	};	451	};
370		452
371	sub get_slot($;$$) {	453	sub get_slot($;$$) {
		454	return if tick_inhibit || $Coro::current == $Coro::main;
		455
372	my ($time, $pri, $name) = @_;	456	my ($time, $pri, $name) = @_;
373		457
374	$time = $TICK * .6 if $time > $TICK * .6;	458	$time = $TICK * .6 if $time > $TICK * .6;
375	my $sig = new Coro::Signal;	459	my $sig = new Coro::Signal;
376		460
…		…
390		474
391	BEGIN { *async = \&Coro::async_pool }	475	BEGIN { *async = \&Coro::async_pool }
392		476
393	=item cf::sync_job { BLOCK }	477	=item cf::sync_job { BLOCK }
394		478
395	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	479	The design of Deliantra requires that the main coroutine ($Coro::main)
396	is always able to handle events or runnable, as Crossfire TRT is only	480	is always able to handle events or runnable, as Deliantra is only
397	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	481	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
398	acceptable.	482	acceptable.
399		483
400	If it must be done, put the blocking parts into C<sync_job>. This will run	484	If it must be done, put the blocking parts into C<sync_job>. This will run
401	the given BLOCK in another coroutine while waiting for the result. The	485	the given BLOCK in another coroutine while waiting for the result. The
…		…
406		490
407	sub sync_job(&) {	491	sub sync_job(&) {
408	my ($job) = @_;	492	my ($job) = @_;
409		493
410	if ($Coro::current == $Coro::main) {	494	if ($Coro::current == $Coro::main) {
411	my $time = Event::time;	495	my $time = EV::time;
412		496
413	# this is the main coro, too bad, we have to block	497	# this is the main coro, too bad, we have to block
414	# till the operation succeeds, freezing the server :/	498	# till the operation succeeds, freezing the server :/
415		499
416	# TODO: use suspend/resume instead	500	LOG llevError, Carp::longmess "sync job";#d#
417	# (but this is cancel-safe)	501
418	my $freeze_guard = freeze_mainloop;	502	my $freeze_guard = freeze_mainloop;
419		503
420	my $busy = 1;	504	my $busy = 1;
421	my @res;	505	my @res;
422		506
423	(async {	507	(async {
		508	$Coro::current->desc ("sync job coro");
424	@res = eval { $job->() };	509	@res = eval { $job->() };
425	warn $@ if $@;	510	warn $@ if $@;
426	undef $busy;	511	undef $busy;
427	})->prio (Coro::PRIO_MAX);	512	})->prio (Coro::PRIO_MAX);
428		513
429	while ($busy) {	514	while ($busy) {
430	Coro::cede or Event::one_event;	515	if (Coro::nready) {
		516	Coro::cede_notself;
		517	} else {
		518	EV::loop EV::LOOP_ONESHOT;
431	}	519	}
		520	}
432		521
433	$time = Event::time - $time;	522	my $time = EV::time - $time;
434		523
435	LOG llevError | logBacktrace, Carp::longmess "long sync job"
436	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
437
438	$tick_start += $time; # do not account sync jobs to server load	524	$TICK_START += $time; # do not account sync jobs to server load
439		525
440	wantarray ? @res : $res[0]	526	wantarray ? @res : $res[0]
441	} else {	527	} else {
442	# we are in another coroutine, how wonderful, everything just works	528	# we are in another coroutine, how wonderful, everything just works
443		529
…		…
468	=item fork_call { }, $args	554	=item fork_call { }, $args
469		555
470	Executes the given code block with the given arguments in a seperate	556	Executes the given code block with the given arguments in a seperate
471	process, returning the results. Everything must be serialisable with	557	process, returning the results. Everything must be serialisable with
472	Coro::Storable. May, of course, block. Note that the executed sub may	558	Coro::Storable. May, of course, block. Note that the executed sub may
473	never block itself or use any form of Event handling.	559	never block itself or use any form of event handling.
474		560
475	=cut	561	=cut
476
477	sub _store_scalar {
478	open my $fh, ">", \my $buf
479	or die "fork_call: cannot open fh-to-buf in child : $!";
480	Storable::store_fd $_[0], $fh;
481	close $fh;
482
483	$buf
484	}
485		562
486	sub fork_call(&@) {	563	sub fork_call(&@) {
487	my ($cb, @args) = @_;	564	my ($cb, @args) = @_;
488		565
489	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	566	# we seemingly have to make a local copy of the whole thing,
490	# or die "socketpair: $!";	567	# otherwise perl prematurely frees the stuff :/
491	pipe my $fh1, my $fh2	568	# TODO: investigate and fix (likely this will be rather laborious)
492	or die "pipe: $!";
493		569
494	if (my $pid = fork) {	570	my @res = Coro::Util::fork_eval {
495	close $fh2;
496
497	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
498	warn "pst<$res>" unless $res =~ /^pst/;
499	$res = Coro::Storable::thaw $res;
500
501	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
502
503	Carp::confess $$res unless "ARRAY" eq ref $res;
504
505	return wantarray ? @$res : $res->[-1];
506	} else {
507	reset_signals;	571	reset_signals;
508	local $SIG{__WARN__};	572	&$cb
509	local $SIG{__DIE__};	573	}, @args;
510	# just in case, this hack effectively disables event
511	# in the child. cleaner and slower would be canceling all watchers,
512	# but this works for the time being.
513	local $Coro::idle;
514	$Coro::current->prio (Coro::PRIO_MAX);
515		574
516	eval {	575	wantarray ? @res : $res[-1]
517	close $fh1;	576	}
518		577
519	my @res = eval { $cb->(@args) };	578	=item $coin = coin_from_name $name
520		579
521	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;	580	=cut
522	close $fh2;
523	};
524		581
525	warn $@ if $@;	582	our %coin_alias = (
526	_exit 0;	583	"silver" => "silvercoin",
527	}	584	"silvercoin" => "silvercoin",
		585	"silvercoins" => "silvercoin",
		586	"gold" => "goldcoin",
		587	"goldcoin" => "goldcoin",
		588	"goldcoins" => "goldcoin",
		589	"platinum" => "platinacoin",
		590	"platinumcoin" => "platinacoin",
		591	"platinumcoins" => "platinacoin",
		592	"platina" => "platinacoin",
		593	"platinacoin" => "platinacoin",
		594	"platinacoins" => "platinacoin",
		595	"royalty" => "royalty",
		596	"royalties" => "royalty",
		597	);
		598
		599	sub coin_from_name($) {
		600	$coin_alias{$_[0]}
		601	? cf::arch::find $coin_alias{$_[0]}
		602	: undef
528	}	603	}
529		604
530	=item $value = cf::db_get $family => $key	605	=item $value = cf::db_get $family => $key
531		606
532	Returns a single value from the environment database.	607	Returns a single value from the environment database.
…		…
534	=item cf::db_put $family => $key => $value	609	=item cf::db_put $family => $key => $value
535		610
536	Stores the given C<$value> in the family. It can currently store binary	611	Stores the given C<$value> in the family. It can currently store binary
537	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	612	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
538		613
		614	=item $db = cf::db_table "name"
		615
		616	Create and/or open a new database table. The string must not be "db" and must be unique
		617	within each server.
		618
539	=cut	619	=cut
		620
		621	sub db_table($) {
		622	my ($name) = @_;
		623	my $db = BDB::db_create $DB_ENV;
		624
		625	eval {
		626	$db->set_flags (BDB::CHKSUM);
		627
		628	utf8::encode $name;
		629	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		630	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		631	cf::cleanup "db_open(db): $!" if $!;
		632	};
		633	cf::cleanup "db_open(db): $@" if $@;
		634
		635	$db
		636	}
540		637
541	our $DB;	638	our $DB;
542		639
543	sub db_init {	640	sub db_init {
544	unless ($DB) {
545	$DB = BDB::db_create $DB_ENV;
546
547	cf::sync_job {	641	cf::sync_job {
548	eval {	642	$DB ||= db_table "db";
549	$DB->set_flags (BDB::CHKSUM);
550
551	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
552	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
553	cf::cleanup "db_open(db): $!" if $!;
554	};
555	cf::cleanup "db_open(db): $@" if $@;
556	};
557	}	643	};
558	}	644	}
559		645
560	sub db_get($$) {	646	sub db_get($$) {
561	my $key = "$_[0]/$_[1]";	647	my $key = "$_[0]/$_[1]";
562		648
…		…
612	if (1) {	698	if (1) {
613	$md5 =	699	$md5 =
614	join "\x00",	700	join "\x00",
615	$processversion,	701	$processversion,
616	map {	702	map {
617	Coro::cede;	703	cf::cede_to_tick;
618	($src->[$_], Digest::MD5::md5_hex $data[$_])	704	($src->[$_], Digest::MD5::md5_hex $data[$_])
619	} 0.. $#$src;	705	} 0.. $#$src;
620		706
621		707
622	my $dbmd5 = db_get cache => "$id/md5";	708	my $dbmd5 = db_get cache => "$id/md5";
…		…
660		746
661	#############################################################################	747	#############################################################################
662		748
663	=head2 ATTACHABLE OBJECTS	749	=head2 ATTACHABLE OBJECTS
664		750
665	Many objects in crossfire are so-called attachable objects. That means you can	751	Many objects in deliantra are so-called attachable objects. That means you can
666	attach callbacks/event handlers (a collection of which is called an "attachment")	752	attach callbacks/event handlers (a collection of which is called an "attachment")
667	to it. All such attachable objects support the following methods.	753	to it. All such attachable objects support the following methods.
668		754
669	In the following description, CLASS can be any of C<global>, C<object>	755	In the following description, CLASS can be any of C<global>, C<object>
670	C<player>, C<client> or C<map> (i.e. the attachable objects in	756	C<player>, C<client> or C<map> (i.e. the attachable objects in
671	Crossfire TRT).	757	Deliantra).
672		758
673	=over 4	759	=over 4
674		760
675	=item $attachable->attach ($attachment, key => $value...)	761	=item $attachable->attach ($attachment, key => $value...)
676		762
…		…
720	=item cf::CLASS::attachment $name, ...	806	=item cf::CLASS::attachment $name, ...
721		807
722	Register an attachment by C<$name> through which attachable objects of the	808	Register an attachment by C<$name> through which attachable objects of the
723	given CLASS can refer to this attachment.	809	given CLASS can refer to this attachment.
724		810
725	Some classes such as crossfire maps and objects can specify attachments	811	Some classes such as deliantra maps and objects can specify attachments
726	that are attached at load/instantiate time, thus the need for a name.	812	that are attached at load/instantiate time, thus the need for a name.
727		813
728	These calls expect any number of the following handler/hook descriptions:	814	These calls expect any number of the following handler/hook descriptions:
729		815
730	=over 4	816	=over 4
…		…
958	}	1044	}
959		1045
960	0	1046	0
961	}	1047	}
962		1048
963	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1049	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
964		1050
965	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1051	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
966		1052
967	Generate an object-specific event with the given arguments.	1053	Generate an object-specific event with the given arguments.
968		1054
…		…
974		1060
975	=cut	1061	=cut
976		1062
977	#############################################################################	1063	#############################################################################
978	# object support	1064	# object support
979	#
980		1065
		1066	sub _object_equal($$);
		1067	sub _object_equal($$) {
		1068	my ($a, $b) = @_;
		1069
		1070	return 0 unless (ref $a) eq (ref $b);
		1071
		1072	if ("HASH" eq ref $a) {
		1073	my @ka = keys %$a;
		1074	my @kb = keys %$b;
		1075
		1076	return 0 if @ka != @kb;
		1077
		1078	for (0 .. $#ka) {
		1079	return 0 unless $ka[$_] eq $kb[$_];
		1080	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1081	}
		1082
		1083	} elsif ("ARRAY" eq ref $a) {
		1084
		1085	return 0 if @$a != @$b;
		1086
		1087	for (0 .. $#$a) {
		1088	return 0 unless _object_equal $a->[$_], $b->[$_];
		1089	}
		1090
		1091	} elsif ($a ne $b) {
		1092	return 0;
		1093	}
		1094
		1095	1
		1096	}
		1097
		1098	our $SLOW_MERGES;#d#
981	sub _can_merge {	1099	sub _can_merge {
982	my ($ob1, $ob2) = @_;	1100	my ($ob1, $ob2) = @_;
983		1101
984	local $Storable::canonical = 1;	1102	++$SLOW_MERGES;#d#
985	my $fob1 = Storable::freeze $ob1;
986	my $fob2 = Storable::freeze $ob2;
987		1103
988	$fob1 eq $fob2	1104	# we do the slow way here
		1105	return _object_equal $ob1, $ob2
989	}	1106	}
990		1107
991	sub reattach {	1108	sub reattach {
992	# basically do the same as instantiate, without calling instantiate	1109	# basically do the same as instantiate, without calling instantiate
993	my ($obj) = @_;	1110	my ($obj) = @_;
994		1111
		1112	# no longer needed after getting rid of delete_package?
995	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1113	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
996		1114
997	my $registry = $obj->registry;	1115	my $registry = $obj->registry;
998		1116
999	@$registry = ();	1117	@$registry = ();
1000		1118
…		…
1015	cf::attachable->attach (	1133	cf::attachable->attach (
1016	prio => -1000000,	1134	prio => -1000000,
1017	on_instantiate => sub {	1135	on_instantiate => sub {
1018	my ($obj, $data) = @_;	1136	my ($obj, $data) = @_;
1019		1137
1020	$data = from_json $data;	1138	$data = decode_json $data;
1021		1139
1022	for (@$data) {	1140	for (@$data) {
1023	my ($name, $args) = @$_;	1141	my ($name, $args) = @$_;
1024		1142
1025	$obj->attach ($name, %{$args || {} });	1143	$obj->attach ($name, %{$args || {} });
…		…
1041	sub object_freezer_save {	1159	sub object_freezer_save {
1042	my ($filename, $rdata, $objs) = @_;	1160	my ($filename, $rdata, $objs) = @_;
1043		1161
1044	sync_job {	1162	sync_job {
1045	if (length $$rdata) {	1163	if (length $$rdata) {
		1164	utf8::decode (my $decname = $filename);
1046	warn sprintf "saving %s (%d,%d)\n",	1165	warn sprintf "saving %s (%d,%d)\n",
1047	$filename, length $$rdata, scalar @$objs;	1166	$decname, length $$rdata, scalar @$objs;
1048		1167
1049	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1168	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1050	chmod SAVE_MODE, $fh;	1169	aio_chmod $fh, SAVE_MODE;
1051	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1170	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1052	aio_fsync $fh if $cf::USE_FSYNC;	1171	aio_fsync $fh if $cf::USE_FSYNC;
1053	close $fh;	1172	aio_close $fh;
1054		1173
1055	if (@$objs) {	1174	if (@$objs) {
1056	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1175	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1057	chmod SAVE_MODE, $fh;	1176	aio_chmod $fh, SAVE_MODE;
1058	my $data = Storable::nfreeze { version => 1, objs => $objs };	1177	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1059	aio_write $fh, 0, (length $data), $data, 0;	1178	aio_write $fh, 0, (length $data), $data, 0;
1060	aio_fsync $fh if $cf::USE_FSYNC;	1179	aio_fsync $fh if $cf::USE_FSYNC;
1061	close $fh;	1180	aio_close $fh;
1062	aio_rename "$filename.pst~", "$filename.pst";	1181	aio_rename "$filename.pst~", "$filename.pst";
1063	}	1182	}
1064	} else {	1183	} else {
1065	aio_unlink "$filename.pst";	1184	aio_unlink "$filename.pst";
1066	}	1185	}
…		…
1071	}	1190	}
1072	} else {	1191	} else {
1073	aio_unlink $filename;	1192	aio_unlink $filename;
1074	aio_unlink "$filename.pst";	1193	aio_unlink "$filename.pst";
1075	}	1194	}
1076	}	1195	};
1077	}	1196	}
1078		1197
1079	sub object_freezer_as_string {	1198	sub object_freezer_as_string {
1080	my ($rdata, $objs) = @_;	1199	my ($rdata, $objs) = @_;
1081		1200
…		…
1093	or return;	1212	or return;
1094		1213
1095	unless (aio_stat "$filename.pst") {	1214	unless (aio_stat "$filename.pst") {
1096	(aio_load "$filename.pst", $av) >= 0	1215	(aio_load "$filename.pst", $av) >= 0
1097	or return;	1216	or return;
		1217
1098	$av = eval { (Storable::thaw $av)->{objs} };	1218	my $st = eval { Coro::Storable::thaw $av };
		1219	$av = $st->{objs};
1099	}	1220	}
1100		1221
		1222	utf8::decode (my $decname = $filename);
1101	warn sprintf "loading %s (%d)\n",	1223	warn sprintf "loading %s (%d,%d)\n",
1102	$filename, length $data, scalar @{$av || []};	1224	$decname, length $data, scalar @{$av || []};
		1225
1103	return ($data, $av);	1226	($data, $av)
1104	}	1227	}
1105		1228
1106	=head2 COMMAND CALLBACKS	1229	=head2 COMMAND CALLBACKS
1107		1230
1108	=over 4	1231	=over 4
…		…
1186	my ($type, $reply, @payload) =	1309	my ($type, $reply, @payload) =
1187	"ARRAY" eq ref $msg	1310	"ARRAY" eq ref $msg
1188	? @$msg	1311	? @$msg
1189	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	1312	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1190		1313
		1314	my @reply;
		1315
1191	if (my $cb = $EXTCMD{$type}) {	1316	if (my $cb = $EXTCMD{$type}) {
1192	my @reply = $cb->($pl, @payload);	1317	@reply = $cb->($pl, @payload);
1193
1194	$pl->ext_reply ($reply, @reply)
1195	if $reply;
1196	}	1318	}
		1319
		1320	$pl->ext_reply ($reply, @reply)
		1321	if $reply;
		1322
1197	} else {	1323	} else {
1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1324	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1199	}	1325	}
1200		1326
1201	cf::override;	1327	cf::override;
…		…
1228		1354
1229	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1355	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1230	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1356	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1231		1357
1232	$ext{source} =	1358	$ext{source} =
1233	"package $pkg; use strict; use utf8;\n"	1359	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1234	. "#line 1 \"$path\"\n{\n"	1360	. "#line 1 \"$path\"\n{\n"
1235	. $source	1361	. $source
1236	. "\n};\n1";	1362	. "\n};\n1";
1237		1363
1238	$todo{$base} = \%ext;	1364	$todo{$base} = \%ext;
…		…
1254	my $msg = $@ ? "$v->{path}: $@\n"	1380	my $msg = $@ ? "$v->{path}: $@\n"
1255	: "$v->{base}: extension inactive.\n";	1381	: "$v->{base}: extension inactive.\n";
1256		1382
1257	if (exists $v->{meta}{mandatory}) {	1383	if (exists $v->{meta}{mandatory}) {
1258	warn $msg;	1384	warn $msg;
1259	warn "mandatory extension failed to load, exiting.\n";	1385	cf::cleanup "mandatory extension failed to load, exiting.";
1260	exit 1;
1261	}	1386	}
1262		1387
1263	warn $msg;	1388	warn $msg;
1264	}	1389	}
1265		1390
…		…
1279		1404
1280	=back	1405	=back
1281		1406
1282	=head2 CORE EXTENSIONS	1407	=head2 CORE EXTENSIONS
1283		1408
1284	Functions and methods that extend core crossfire objects.	1409	Functions and methods that extend core deliantra objects.
1285		1410
1286	=cut	1411	=cut
1287		1412
1288	package cf::player;	1413	package cf::player;
1289		1414
1290	use Coro::AIO;	1415	use Coro::AIO;
1291		1416
1292	=head3 cf::player	1417	=head3 cf::player
1293		1418
1294	=over 4	1419	=over 4
		1420
		1421	=item cf::player::num_playing
		1422
		1423	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1424
		1425	=cut
		1426
		1427	sub num_playing {
		1428	scalar grep
		1429	$_->ob->map
		1430	&& !$_->hidden
		1431	&& !$_->ob->flag (cf::FLAG_WIZ),
		1432	cf::player::list
		1433	}
1295		1434
1296	=item cf::player::find $login	1435	=item cf::player::find $login
1297		1436
1298	Returns the given player object, loading it if necessary (might block).	1437	Returns the given player object, loading it if necessary (might block).
1299		1438
…		…
1335	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1474	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1336	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1475	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1337	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1476	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1338	aio_unlink +(playerdir $login) . "/$login.pl";	1477	aio_unlink +(playerdir $login) . "/$login.pl";
1339		1478
1340	my $pl = load_pl path $login	1479	my $f = new_from_file cf::object::thawer path $login
1341	or return;	1480	or return;
		1481
		1482	my $pl = cf::player::load_pl $f
		1483	or return;
		1484
		1485	local $cf::PLAYER_LOADING{$login} = $pl;
		1486	$f->resolve_delayed_derefs;
1342	$cf::PLAYER{$login} = $pl	1487	$cf::PLAYER{$login} = $pl
1343	}	1488	}
1344	}	1489	}
1345	}	1490	}
1346		1491
…		…
1355	return if $pl->{deny_save};	1500	return if $pl->{deny_save};
1356		1501
1357	aio_mkdir playerdir $pl, 0770;	1502	aio_mkdir playerdir $pl, 0770;
1358	$pl->{last_save} = $cf::RUNTIME;	1503	$pl->{last_save} = $cf::RUNTIME;
1359		1504
		1505	cf::get_slot 0.01;
		1506
1360	$pl->save_pl ($path);	1507	$pl->save_pl ($path);
1361	Coro::cede;	1508	cf::cede_to_tick;
1362	}	1509	}
1363		1510
1364	sub new($) {	1511	sub new($) {
1365	my ($login) = @_;	1512	my ($login) = @_;
1366		1513
…		…
1372	$cf::PLAYER{$login} = $self;	1519	$cf::PLAYER{$login} = $self;
1373		1520
1374	$self	1521	$self
1375	}	1522	}
1376		1523
		1524	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1525
		1526	=cut
		1527
		1528	sub send_msg {
		1529	my $ns = shift->ns
		1530	or return;
		1531	$ns->send_msg (@_);
		1532	}
		1533
1377	=item $pl->quit_character	1534	=item $pl->quit_character
1378		1535
1379	Nukes the player without looking back. If logged in, the connection will	1536	Nukes the player without looking back. If logged in, the connection will
1380	be destroyed. May block for a long time.	1537	be destroyed. May block for a long time.
1381		1538
…		…
1385	my ($pl) = @_;	1542	my ($pl) = @_;
1386		1543
1387	my $name = $pl->ob->name;	1544	my $name = $pl->ob->name;
1388		1545
1389	$pl->{deny_save} = 1;	1546	$pl->{deny_save} = 1;
1390	$pl->password ("*"); # this should lock out the player until we nuked the dir	1547	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1391		1548
1392	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1549	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1393	$pl->deactivate;	1550	$pl->deactivate;
		1551	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1552	$pl->ob->check_score;
1394	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1553	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1395	$pl->ns->destroy if $pl->ns;	1554	$pl->ns->destroy if $pl->ns;
1396		1555
1397	my $path = playerdir $pl;	1556	my $path = playerdir $pl;
1398	my $temp = "$path~$cf::RUNTIME~deleting~";	1557	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1434	or return [];	1593	or return [];
1435		1594
1436	my @logins;	1595	my @logins;
1437		1596
1438	for my $login (@$dirs) {	1597	for my $login (@$dirs) {
		1598	my $path = path $login;
		1599
		1600	# a .pst is a dead give-away for a valid player
		1601	# if no pst file found, open and chekc for blocked users
		1602	if (aio_stat "$path.pst") {
1439	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1603	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1440	aio_read $fh, 0, 512, my $buf, 0 or next;	1604	aio_read $fh, 0, 512, my $buf, 0 or next;
1441	$buf !~ /^password -------------$/m or next; # official not-valid tag	1605	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1606	}
1442		1607
1443	utf8::decode $login;	1608	utf8::decode $login;
1444	push @logins, $login;	1609	push @logins, $login;
1445	}	1610	}
1446		1611
…		…
1473	}	1638	}
1474		1639
1475	\@paths	1640	\@paths
1476	}	1641	}
1477		1642
1478	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1643	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1479		1644
1480	Expand crossfire pod fragments into protocol xml.	1645	Expand deliantra pod fragments into protocol xml.
1481
1482	=cut
1483
1484	sub expand_cfpod {
1485	((my $self), (local $_)) = @_;
1486
1487	# escape & and <
1488	s/&/&amp;/g;
1489	s/(?<![BIUGH])</&lt;/g;
1490
1491	# this is buggy, it needs to properly take care of nested <'s
1492
1493	1 while
1494	# replace B<>, I<>, U<> etc.
1495	s/B<([^\>]*)>/<b>$1<\/b>/
1496	|| s/I<([^\>]*)>/<i>$1<\/i>/
1497	|| s/U<([^\>]*)>/<u>$1<\/u>/
1498	# replace G<male|female> tags
1499	|| s{G<([^>|]*)\|([^>]*)>}{
1500	$self->gender ? $2 : $1
1501	}ge
1502	# replace H<hint text>
1503	|| s{H<([^\>]*)>}
1504	{
1505	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1506	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1507	"")
1508	[$self->{hintmode}]
1509	}ge;
1510
1511	# create single paragraphs (very hackish)
1512	s/(?<=\S)\n(?=\w)/ /g;
1513
1514	# compress some whitespace
1515	s/\s+\n/\n/g; # ws line-ends
1516	s/\n\n+/\n/g; # double lines
1517	s/^\n+//; # beginning lines
1518	s/\n+$//; # ending lines
1519
1520	$_
1521	}
1522
1523	sub hintmode {
1524	$_[0]{hintmode} = $_[1] if @_ > 1;
1525	$_[0]{hintmode}
1526	}
1527		1646
1528	=item $player->ext_reply ($msgid, @msg)	1647	=item $player->ext_reply ($msgid, @msg)
1529		1648
1530	Sends an ext reply to the player.	1649	Sends an ext reply to the player.
1531		1650
1532	=cut	1651	=cut
1533		1652
1534	sub ext_reply($$@) {	1653	sub ext_reply($$@) {
1535	my ($self, $id, @msg) = @_;	1654	my ($self, $id, @msg) = @_;
1536		1655
1537	if ($self->ns->extcmd == 2) {	1656	$self->ns->ext_reply ($id, @msg)
1538	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1539	} elsif ($self->ns->extcmd == 1) {
1540	#TODO: version 1, remove
1541	unshift @msg, msgtype => "reply", msgid => $id;
1542	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
1543	}
1544	}	1657	}
1545		1658
1546	=item $player->ext_msg ($type, @msg)	1659	=item $player->ext_msg ($type, @msg)
1547		1660
1548	Sends an ext event to the client.	1661	Sends an ext event to the client.
…		…
1604	our $MAX_RESET = 3600;	1717	our $MAX_RESET = 3600;
1605	our $DEFAULT_RESET = 3000;	1718	our $DEFAULT_RESET = 3000;
1606		1719
1607	sub generate_random_map {	1720	sub generate_random_map {
1608	my ($self, $rmp) = @_;	1721	my ($self, $rmp) = @_;
		1722
		1723	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1724
1609	# mit "rum" bekleckern, nicht	1725	# mit "rum" bekleckern, nicht
1610	$self->_create_random_map (	1726	$self->_create_random_map (
1611	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1727	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1612	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1728	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1613	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1729	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1735		1851
1736	# the temporary/swap location	1852	# the temporary/swap location
1737	sub save_path {	1853	sub save_path {
1738	my ($self) = @_;	1854	my ($self) = @_;
1739		1855
1740	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1856	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1741	"$TMPDIR/$path.map"	1857	"$TMPDIR/$path.map"
1742	}	1858	}
1743		1859
1744	# the unique path, undef == no special unique path	1860	# the unique path, undef == no special unique path
1745	sub uniq_path {	1861	sub uniq_path {
1746	my ($self) = @_;	1862	my ($self) = @_;
1747		1863
1748	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1864	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1749	"$UNIQUEDIR/$path"	1865	"$UNIQUEDIR/$path"
1750	}	1866	}
1751		1867
1752	# and all this just because we cannot iterate over	1868	# and all this just because we cannot iterate over
1753	# all maps in C++...	1869	# all maps in C++...
…		…
1776		1892
1777	sub load_header_from($) {	1893	sub load_header_from($) {
1778	my ($self, $path) = @_;	1894	my ($self, $path) = @_;
1779		1895
1780	utf8::encode $path;	1896	utf8::encode $path;
1781	#aio_open $path, O_RDONLY, 0	1897	my $f = new_from_file cf::object::thawer $path
1782	# or return;
1783
1784	$self->_load_header ($path)
1785	or return;	1898	or return;
		1899
		1900	$self->_load_header ($f)
		1901	or return;
		1902
		1903	local $MAP_LOADING{$self->{path}} = $self;
		1904	$f->resolve_delayed_derefs;
1786		1905
1787	$self->{load_path} = $path;	1906	$self->{load_path} = $path;
1788		1907
1789	1	1908	1
1790	}	1909	}
…		…
1844	sub find {	1963	sub find {
1845	my ($path, $origin) = @_;	1964	my ($path, $origin) = @_;
1846		1965
1847	$path = normalise $path, $origin && $origin->path;	1966	$path = normalise $path, $origin && $origin->path;
1848		1967
		1968	cf::lock_wait "map_data:$path";#d#remove
1849	cf::lock_wait "map_find:$path";	1969	cf::lock_wait "map_find:$path";
1850		1970
1851	$cf::MAP{$path} || do {	1971	$cf::MAP{$path} || do {
		1972	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1852	my $guard = cf::lock_acquire "map_find:$path";	1973	my $guard2 = cf::lock_acquire "map_find:$path";
		1974
1853	my $map = new_from_path cf::map $path	1975	my $map = new_from_path cf::map $path
1854	or return;	1976	or return;
1855		1977
1856	$map->{last_save} = $cf::RUNTIME;	1978	$map->{last_save} = $cf::RUNTIME;
1857		1979
…		…
1859	or return;	1981	or return;
1860		1982
1861	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1983	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1862	# doing this can freeze the server in a sync job, obviously	1984	# doing this can freeze the server in a sync job, obviously
1863	#$cf::WAIT_FOR_TICK->wait;	1985	#$cf::WAIT_FOR_TICK->wait;
		1986	undef $guard2;
		1987	undef $guard1;
1864	$map->reset;	1988	$map->reset;
1865	undef $guard;
1866	return find $path;	1989	return find $path;
1867	}	1990	}
1868		1991
1869	$cf::MAP{$path} = $map	1992	$cf::MAP{$path} = $map
1870	}	1993	}
…		…
1879	local $self->{deny_reset} = 1; # loading can take a long time	2002	local $self->{deny_reset} = 1; # loading can take a long time
1880		2003
1881	my $path = $self->{path};	2004	my $path = $self->{path};
1882		2005
1883	{	2006	{
1884	my $guard = cf::lock_acquire "map_load:$path";	2007	my $guard = cf::lock_acquire "map_data:$path";
1885		2008
		2009	return unless $self->valid;
1886	return if $self->in_memory != cf::MAP_SWAPPED;	2010	return unless $self->in_memory == cf::MAP_SWAPPED;
1887		2011
1888	$self->in_memory (cf::MAP_LOADING);	2012	$self->in_memory (cf::MAP_LOADING);
1889		2013
1890	$self->alloc;	2014	$self->alloc;
1891		2015
1892	$self->pre_load;	2016	$self->pre_load;
1893	Coro::cede;	2017	cf::cede_to_tick;
1894		2018
		2019	my $f = new_from_file cf::object::thawer $self->{load_path};
		2020	$f->skip_block;
1895	$self->_load_objects ($self->{load_path}, 1)	2021	$self->_load_objects ($f)
1896	or return;	2022	or return;
1897		2023
1898	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2024	$self->post_load_original
1899	if delete $self->{load_original};	2025	if delete $self->{load_original};
1900		2026
1901	if (my $uniq = $self->uniq_path) {	2027	if (my $uniq = $self->uniq_path) {
1902	utf8::encode $uniq;	2028	utf8::encode $uniq;
1903	if (aio_open $uniq, O_RDONLY, 0) {	2029	unless (aio_stat $uniq) {
		2030	if (my $f = new_from_file cf::object::thawer $uniq) {
1904	$self->clear_unique_items;	2031	$self->clear_unique_items;
1905	$self->_load_objects ($uniq, 0);	2032	$self->_load_objects ($f);
		2033	$f->resolve_delayed_derefs;
		2034	}
1906	}	2035	}
1907	}	2036	}
1908		2037
1909	Coro::cede;	2038	$f->resolve_delayed_derefs;
		2039
		2040	cf::cede_to_tick;
1910	# now do the right thing for maps	2041	# now do the right thing for maps
1911	$self->link_multipart_objects;	2042	$self->link_multipart_objects;
1912	$self->difficulty ($self->estimate_difficulty)	2043	$self->difficulty ($self->estimate_difficulty)
1913	unless $self->difficulty;	2044	unless $self->difficulty;
1914	Coro::cede;	2045	cf::cede_to_tick;
1915		2046
1916	unless ($self->{deny_activate}) {	2047	unless ($self->{deny_activate}) {
1917	$self->decay_objects;	2048	$self->decay_objects;
1918	$self->fix_auto_apply;	2049	$self->fix_auto_apply;
1919	$self->update_buttons;	2050	$self->update_buttons;
1920	Coro::cede;	2051	cf::cede_to_tick;
1921	$self->set_darkness_map;	2052	$self->set_darkness_map;
1922	Coro::cede;	2053	cf::cede_to_tick;
1923	$self->activate;	2054	$self->activate;
1924	}	2055	}
1925		2056
		2057	$self->{last_save} = $cf::RUNTIME;
		2058	$self->last_access ($cf::RUNTIME);
		2059
1926	$self->in_memory (cf::MAP_IN_MEMORY);	2060	$self->in_memory (cf::MAP_ACTIVE);
1927	}	2061	}
1928		2062
1929	$self->post_load;	2063	$self->post_load;
1930	}	2064	}
1931		2065
…		…
1940		2074
1941	$self	2075	$self
1942	}	2076	}
1943		2077
1944	# find and load all maps in the 3x3 area around a map	2078	# find and load all maps in the 3x3 area around a map
1945	sub load_diag {	2079	sub load_neighbours {
1946	my ($map) = @_;	2080	my ($map) = @_;
1947		2081
1948	my @diag; # diagonal neighbours	2082	my @neigh; # diagonal neighbours
1949		2083
1950	for (0 .. 3) {	2084	for (0 .. 3) {
1951	my $neigh = $map->tile_path ($_)	2085	my $neigh = $map->tile_path ($_)
1952	or next;	2086	or next;
1953	$neigh = find $neigh, $map	2087	$neigh = find $neigh, $map
1954	or next;	2088	or next;
1955	$neigh->load;	2089	$neigh->load;
1956		2090
		2091	push @neigh,
1957	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2092	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1958	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2093	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1959	}	2094	}
1960		2095
1961	for (@diag) {	2096	for (grep defined $_->[0], @neigh) {
		2097	my ($path, $origin) = @$_;
1962	my $neigh = find @$_	2098	my $neigh = find $path, $origin
1963	or next;	2099	or next;
1964	$neigh->load;	2100	$neigh->load;
1965	}	2101	}
1966	}	2102	}
1967		2103
…		…
1972	}	2108	}
1973		2109
1974	sub do_load_sync {	2110	sub do_load_sync {
1975	my ($map) = @_;	2111	my ($map) = @_;
1976		2112
		2113	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2114	if $Coro::current == $Coro::main;
		2115
1977	cf::sync_job { $map->load };	2116	cf::sync_job { $map->load };
1978	}	2117	}
1979		2118
1980	our %MAP_PREFETCH;	2119	our %MAP_PREFETCH;
1981	our $MAP_PREFETCHER = undef;	2120	our $MAP_PREFETCHER = undef;
1982		2121
1983	sub find_async {	2122	sub find_async {
1984	my ($path, $origin) = @_;	2123	my ($path, $origin, $load) = @_;
1985		2124
1986	$path = normalise $path, $origin && $origin->{path};	2125	$path = normalise $path, $origin && $origin->{path};
1987		2126
1988	if (my $map = $cf::MAP{$path}) {	2127	if (my $map = $cf::MAP{$path}) {
1989	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2128	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1990	}	2129	}
1991		2130
1992	undef $MAP_PREFETCH{$path};	2131	$MAP_PREFETCH{$path} |= $load;
		2132
1993	$MAP_PREFETCHER ||= cf::async {	2133	$MAP_PREFETCHER ||= cf::async {
		2134	$Coro::current->{desc} = "map prefetcher";
		2135
1994	while (%MAP_PREFETCH) {	2136	while (%MAP_PREFETCH) {
1995	for my $path (keys %MAP_PREFETCH) {	2137	while (my ($k, $v) = each %MAP_PREFETCH) {
1996	if (my $map = find $path) {	2138	if (my $map = find $k) {
1997	$map->load;	2139	$map->load if $v;
1998	}	2140	}
1999		2141
2000	delete $MAP_PREFETCH{$path};	2142	delete $MAP_PREFETCH{$k};
2001	}	2143	}
2002	}	2144	}
2003	undef $MAP_PREFETCHER;	2145	undef $MAP_PREFETCHER;
2004	};	2146	};
2005	$MAP_PREFETCHER->prio (6);	2147	$MAP_PREFETCHER->prio (6);
…		…
2008	}	2150	}
2009		2151
2010	sub save {	2152	sub save {
2011	my ($self) = @_;	2153	my ($self) = @_;
2012		2154
2013	my $lock = cf::lock_acquire "map_data:" . $self->path;	2155	my $lock = cf::lock_acquire "map_data:$self->{path}";
2014		2156
2015	$self->{last_save} = $cf::RUNTIME;	2157	$self->{last_save} = $cf::RUNTIME;
2016		2158
2017	return unless $self->dirty;	2159	return unless $self->dirty;
2018		2160
…		…
2024	return if $self->{deny_save};	2166	return if $self->{deny_save};
2025		2167
2026	local $self->{last_access} = $self->last_access;#d#	2168	local $self->{last_access} = $self->last_access;#d#
2027		2169
2028	cf::async {	2170	cf::async {
		2171	$Coro::current->{desc} = "map player save";
2029	$_->contr->save for $self->players;	2172	$_->contr->save for $self->players;
2030	};	2173	};
		2174
		2175	cf::get_slot 0.02;
2031		2176
2032	if ($uniq) {	2177	if ($uniq) {
2033	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2178	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2034	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2179	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2035	} else {	2180	} else {
…		…
2041	my ($self) = @_;	2186	my ($self) = @_;
2042		2187
2043	# save first because save cedes	2188	# save first because save cedes
2044	$self->save;	2189	$self->save;
2045		2190
2046	my $lock = cf::lock_acquire "map_data:" . $self->path;	2191	my $lock = cf::lock_acquire "map_data:$self->{path}";
2047		2192
2048	return if $self->players;	2193	return if $self->players;
2049	return if $self->in_memory != cf::MAP_IN_MEMORY;	2194	return if $self->in_memory != cf::MAP_ACTIVE;
2050	return if $self->{deny_save};	2195	return if $self->{deny_save};
2051		2196
		2197	$self->in_memory (cf::MAP_SWAPPED);
		2198
		2199	$self->deactivate;
		2200	$_->clear_links_to ($self) for values %cf::MAP;
2052	$self->clear;	2201	$self->clear;
2053	$self->in_memory (cf::MAP_SWAPPED);
2054	}	2202	}
2055		2203
2056	sub reset_at {	2204	sub reset_at {
2057	my ($self) = @_;	2205	my ($self) = @_;
2058		2206
…		…
2090	if $uniq;	2238	if $uniq;
2091	}	2239	}
2092		2240
2093	delete $cf::MAP{$self->path};	2241	delete $cf::MAP{$self->path};
2094		2242
		2243	$self->deactivate;
		2244	$_->clear_links_to ($self) for values %cf::MAP;
2095	$self->clear;	2245	$self->clear;
2096
2097	$_->clear_links_to ($self) for values %cf::MAP;
2098		2246
2099	$self->unlink_save;	2247	$self->unlink_save;
2100	$self->destroy;	2248	$self->destroy;
2101	}	2249	}
2102		2250
2103	my $nuke_counter = "aaaa";	2251	my $nuke_counter = "aaaa";
2104		2252
2105	sub nuke {	2253	sub nuke {
2106	my ($self) = @_;	2254	my ($self) = @_;
2107		2255
		2256	{
		2257	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2258
2108	delete $cf::MAP{$self->path};	2259	delete $cf::MAP{$self->path};
2109		2260
2110	$self->unlink_save;	2261	$self->unlink_save;
2111		2262
2112	bless $self, "cf::map";	2263	bless $self, "cf::map";
2113	delete $self->{deny_reset};	2264	delete $self->{deny_reset};
2114	$self->{deny_save} = 1;	2265	$self->{deny_save} = 1;
2115	$self->reset_timeout (1);	2266	$self->reset_timeout (1);
2116	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2267	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2117		2268
2118	$cf::MAP{$self->path} = $self;	2269	$cf::MAP{$self->path} = $self;
		2270	}
2119		2271
2120	$self->reset; # polite request, might not happen	2272	$self->reset; # polite request, might not happen
2121	}	2273	}
2122		2274
2123	=item $maps = cf::map::tmp_maps	2275	=item $maps = cf::map::tmp_maps
…		…
2165		2317
2166	sub unique_maps() {	2318	sub unique_maps() {
2167	[	2319	[
2168	map {	2320	map {
2169	utf8::decode $_;	2321	utf8::decode $_;
2170	/\.map$/	2322	s/\.map$//; # TODO future compatibility hack
		2323	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2324	? ()
2171	? normalise $_	2325	: normalise $_
2172	: ()
2173	} @{ aio_readdir $UNIQUEDIR or [] }	2326	} @{ aio_readdir $UNIQUEDIR or [] }
2174	]	2327	]
2175	}	2328	}
2176		2329
2177	package cf;
2178
2179	=back	2330	=back
2180		2331
2181	=head3 cf::object	2332	=head3 cf::object
2182		2333
2183	=cut	2334	=cut
…		…
2186		2337
2187	=over 4	2338	=over 4
2188		2339
2189	=item $ob->inv_recursive	2340	=item $ob->inv_recursive
2190		2341
2191	Returns the inventory of the object _and_ their inventories, recursively.	2342	Returns the inventory of the object I<and> their inventories, recursively,
		2343	but I<not> the object itself.
2192		2344
2193	=cut	2345	=cut
2194		2346
2195	sub inv_recursive_;	2347	sub inv_recursive_;
2196	sub inv_recursive_ {	2348	sub inv_recursive_ {
…		…
2199		2351
2200	sub inv_recursive {	2352	sub inv_recursive {
2201	inv_recursive_ inv $_[0]	2353	inv_recursive_ inv $_[0]
2202	}	2354	}
2203		2355
		2356	=item $ref = $ob->ref
		2357
		2358	Creates and returns a persistent reference to an object that can be stored as a string.
		2359
		2360	=item $ob = cf::object::deref ($refstring)
		2361
		2362	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2363	even if the object actually exists. May block.
		2364
		2365	=cut
		2366
		2367	sub deref {
		2368	my ($ref) = @_;
		2369
		2370	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2371	my ($uuid, $name) = ($1, $2);
		2372	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2373	or return;
		2374	$pl->ob->uuid eq $uuid
		2375	or return;
		2376
		2377	$pl->ob
		2378	} else {
		2379	warn "$ref: cannot resolve object reference\n";
		2380	undef
		2381	}
		2382	}
		2383
2204	package cf;	2384	package cf;
2205		2385
2206	=back	2386	=back
2207		2387
2208	=head3 cf::object::player	2388	=head3 cf::object::player
…		…
2214	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2394	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2215	can be C<undef>. Does the right thing when the player is currently in a	2395	can be C<undef>. Does the right thing when the player is currently in a
2216	dialogue with the given NPC character.	2396	dialogue with the given NPC character.
2217		2397
2218	=cut	2398	=cut
		2399
		2400	our $SAY_CHANNEL = {
		2401	id => "say",
		2402	title => "Map",
		2403	reply => "say ",
		2404	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2405	};
		2406
		2407	our $CHAT_CHANNEL = {
		2408	id => "chat",
		2409	title => "Chat",
		2410	reply => "chat ",
		2411	tooltip => "Player chat and shouts, global to the server.",
		2412	};
2219		2413
2220	# rough implementation of a future "reply" method that works	2414	# rough implementation of a future "reply" method that works
2221	# with dialog boxes.	2415	# with dialog boxes.
2222	#TODO: the first argument must go, split into a $npc->reply_to ( method	2416	#TODO: the first argument must go, split into a $npc->reply_to ( method
2223	sub cf::object::player::reply($$$;$) {	2417	sub cf::object::player::reply($$$;$) {
…		…
2235	my $dialog = $pl->{npc_dialog};	2429	my $dialog = $pl->{npc_dialog};
2236	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2430	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2237		2431
2238	} else {	2432	} else {
2239	$msg = $npc->name . " says: $msg" if $npc;	2433	$msg = $npc->name . " says: $msg" if $npc;
2240	$self->message ($msg, $flags);	2434	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2241	}	2435	}
2242	}	2436	}
		2437	}
		2438
		2439	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2440
		2441	=cut
		2442
		2443	sub cf::object::send_msg {
		2444	my $pl = shift->contr
		2445	or return;
		2446	$pl->send_msg (@_);
2243	}	2447	}
2244		2448
2245	=item $player_object->may ("access")	2449	=item $player_object->may ("access")
2246		2450
2247	Returns wether the given player is authorized to access resource "access"	2451	Returns wether the given player is authorized to access resource "access"
…		…
2260		2464
2261	=item $player_object->enter_link	2465	=item $player_object->enter_link
2262		2466
2263	Freezes the player and moves him/her to a special map (C<{link}>).	2467	Freezes the player and moves him/her to a special map (C<{link}>).
2264		2468
2265	The player should be reasonably safe there for short amounts of time. You	2469	The player should be reasonably safe there for short amounts of time (e.g.
2266	I<MUST> call C<leave_link> as soon as possible, though.	2470	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2471	though, as the palyer cannot control the character while it is on the link
		2472	map.
2267		2473
2268	Will never block.	2474	Will never block.
2269		2475
2270	=item $player_object->leave_link ($map, $x, $y)	2476	=item $player_object->leave_link ($map, $x, $y)
2271		2477
…		…
2326	# use -1 or undef as default coordinates, not 0, 0	2532	# use -1 or undef as default coordinates, not 0, 0
2327	($x, $y) = ($map->enter_x, $map->enter_y)	2533	($x, $y) = ($map->enter_x, $map->enter_y)
2328	if $x <=0 && $y <= 0;	2534	if $x <=0 && $y <= 0;
2329		2535
2330	$map->load;	2536	$map->load;
2331	$map->load_diag;	2537	$map->load_neighbours;
2332		2538
2333	return unless $self->contr->active;	2539	return unless $self->contr->active;
		2540	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2334	$self->activate_recursive;	2541	$self->activate_recursive;
2335		2542
2336	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2543	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2337	$self->enter_map ($map, $x, $y);	2544	$self->enter_map ($map, $x, $y);
2338	}	2545	}
…		…
2343	her, loading and preparing them map, calling the provided $check callback	2550	her, loading and preparing them map, calling the provided $check callback
2344	that has to return the map if sucecssful, and then unfreezes the player on	2551	that has to return the map if sucecssful, and then unfreezes the player on
2345	the new (success) or old (failed) map position. In either case, $done will	2552	the new (success) or old (failed) map position. In either case, $done will
2346	be called at the end of this process.	2553	be called at the end of this process.
2347		2554
		2555	Note that $check will be called with a potentially non-loaded map, so if
		2556	it needs a loaded map it has to call C<< ->load >>.
		2557
2348	=cut	2558	=cut
2349		2559
2350	our $GOTOGEN;	2560	our $GOTOGEN;
2351		2561
2352	sub cf::object::player::goto {	2562	sub cf::object::player::goto {
…		…
2356	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2566	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2357		2567
2358	$self->enter_link;	2568	$self->enter_link;
2359		2569
2360	(async {	2570	(async {
		2571	$Coro::current->{desc} = "player::goto $path $x $y";
		2572
		2573	# *tag paths override both path and x|y
		2574	if ($path =~ /^\*(.*)$/) {
		2575	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2576	my $ob = $obs[rand @obs];
		2577
		2578	# see if we actually can go there
		2579	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2580	$ob = $obs[rand @obs];
		2581	} else {
		2582	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2583	}
		2584	# else put us there anyways for now #d#
		2585
		2586	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2587	} else {
		2588	($path, $x, $y) = (undef, undef, undef);
		2589	}
		2590	}
		2591
2361	my $map = eval {	2592	my $map = eval {
2362	my $map = cf::map::find $path;	2593	my $map = defined $path ? cf::map::find $path : undef;
2363		2594
2364	if ($map) {	2595	if ($map) {
2365	$map = $map->customise_for ($self);	2596	$map = $map->customise_for ($self);
2366	$map = $check->($map) if $check && $map;	2597	$map = $check->($map) if $check && $map;
2367	} else {	2598	} else {
2368	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2599	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2369	}	2600	}
2370		2601
2371	$map	2602	$map
2372	};	2603	};
2373		2604
…		…
2409	}	2640	}
2410		2641
2411	sub prepare_random_map {	2642	sub prepare_random_map {
2412	my ($exit) = @_;	2643	my ($exit) = @_;
2413		2644
2414	my $guard = cf::lock_acquire "exit_prepare:$exit";
2415
2416	# all this does is basically replace the /! path by	2645	# all this does is basically replace the /! path by
2417	# a new random map path (?random/...) with a seed	2646	# a new random map path (?random/...) with a seed
2418	# that depends on the exit object	2647	# that depends on the exit object
2419		2648
2420	my $rmp = parse_random_map_params $exit->msg;	2649	my $rmp = parse_random_map_params $exit->msg;
…		…
2422	if ($exit->map) {	2651	if ($exit->map) {
2423	$rmp->{region} = $exit->region->name;	2652	$rmp->{region} = $exit->region->name;
2424	$rmp->{origin_map} = $exit->map->path;	2653	$rmp->{origin_map} = $exit->map->path;
2425	$rmp->{origin_x} = $exit->x;	2654	$rmp->{origin_x} = $exit->x;
2426	$rmp->{origin_y} = $exit->y;	2655	$rmp->{origin_y} = $exit->y;
		2656
		2657	$exit->map->touch;
2427	}	2658	}
2428		2659
2429	$rmp->{random_seed} ||= $exit->random_seed;	2660	$rmp->{random_seed} ||= $exit->random_seed;
2430		2661
2431	my $data = cf::to_json $rmp;	2662	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2432	my $md5 = Digest::MD5::md5_hex $data;	2663	my $md5 = Digest::MD5::md5_hex $data;
2433	my $meta = "$RANDOMDIR/$md5.meta";	2664	my $meta = "$RANDOMDIR/$md5.meta";
2434		2665
2435	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2666	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2436	aio_write $fh, 0, (length $data), $data, 0;	2667	aio_write $fh, 0, (length $data), $data, 0;
2437	undef $fh;	2668	undef $fh;
2438	aio_rename "$meta~", $meta;	2669	aio_rename "$meta~", $meta;
2439		2670
		2671	my $slaying = "?random/$md5";
		2672
		2673	if ($exit->valid) {
2440	$exit->slaying ("?random/$md5");	2674	$exit->slaying ("?random/$md5");
2441	$exit->msg (undef);	2675	$exit->msg (undef);
		2676	}
2442	}	2677	}
2443	}	2678	}
2444		2679
2445	sub cf::object::player::enter_exit {	2680	sub cf::object::player::enter_exit {
2446	my ($self, $exit) = @_;	2681	my ($self, $exit) = @_;
2447		2682
2448	return unless $self->type == cf::PLAYER;	2683	return unless $self->type == cf::PLAYER;
2449		2684
2450	if ($exit->slaying eq "/!") {
2451	#TODO: this should de-fi-ni-te-ly not be a sync-job
2452	# the problem is that $exit might not survive long enough
2453	# so it needs to be done right now, right here
2454	cf::sync_job { prepare_random_map $exit };
2455	}
2456
2457	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2458	my $hp = $exit->stats->hp;
2459	my $sp = $exit->stats->sp;
2460
2461	$self->enter_link;	2685	$self->enter_link;
2462		2686
2463	# if exit is damned, update players death & WoR home-position
2464	$self->contr->savebed ($slaying, $hp, $sp)
2465	if $exit->flag (FLAG_DAMNED);
2466
2467	(async {	2687	(async {
2468	$self->deactivate_recursive; # just to be sure	2688	$Coro::current->{desc} = "enter_exit";
		2689
2469	unless (eval {	2690	unless (eval {
		2691	$self->deactivate_recursive; # just to be sure
		2692
		2693	# random map handling
		2694	{
		2695	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2696
		2697	prepare_random_map $exit
		2698	if $exit->slaying eq "/!";
		2699	}
		2700
		2701	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2702	my $x = $exit->stats->hp;
		2703	my $y = $exit->stats->sp;
		2704
2470	$self->goto ($slaying, $hp, $sp);	2705	$self->goto ($map, $x, $y);
2471		2706
		2707	# if exit is damned, update players death & WoR home-position
		2708	$self->contr->savebed ($map, $x, $y)
		2709	if $exit->flag (cf::FLAG_DAMNED);
		2710
2472	1;	2711	1
2473	}) {	2712	}) {
2474	$self->message ("Something went wrong deep within the crossfire server. "	2713	$self->message ("Something went wrong deep within the deliantra server. "
2475	. "I'll try to bring you back to the map you were before. "	2714	. "I'll try to bring you back to the map you were before. "
2476	. "Please report this to the dungeon master!",	2715	. "Please report this to the dungeon master!",
2477	cf::NDI_UNIQUE | cf::NDI_RED);	2716	cf::NDI_UNIQUE | cf::NDI_RED);
2478		2717
2479	warn "ERROR in enter_exit: $@";	2718	warn "ERROR in enter_exit: $@";
…		…
2507	the message, with C<log> being the default. If C<$color> is negative, suppress	2746	the message, with C<log> being the default. If C<$color> is negative, suppress
2508	the message unless the client supports the msg packet.	2747	the message unless the client supports the msg packet.
2509		2748
2510	=cut	2749	=cut
2511		2750
		2751	# non-persistent channels (usually the info channel)
		2752	our %CHANNEL = (
		2753	"c/identify" => {
		2754	id => "infobox",
		2755	title => "Identify",
		2756	reply => undef,
		2757	tooltip => "Items recently identified",
		2758	},
		2759	"c/examine" => {
		2760	id => "infobox",
		2761	title => "Examine",
		2762	reply => undef,
		2763	tooltip => "Signs and other items you examined",
		2764	},
		2765	"c/book" => {
		2766	id => "infobox",
		2767	title => "Book",
		2768	reply => undef,
		2769	tooltip => "The contents of a note or book",
		2770	},
		2771	"c/lookat" => {
		2772	id => "infobox",
		2773	title => "Look",
		2774	reply => undef,
		2775	tooltip => "What you saw there",
		2776	},
		2777	"c/who" => {
		2778	id => "infobox",
		2779	title => "Players",
		2780	reply => undef,
		2781	tooltip => "Shows players who are currently online",
		2782	},
		2783	"c/body" => {
		2784	id => "infobox",
		2785	title => "Body Parts",
		2786	reply => undef,
		2787	tooltip => "Shows which body parts you posess and are available",
		2788	},
		2789	"c/uptime" => {
		2790	id => "infobox",
		2791	title => "Uptime",
		2792	reply => undef,
		2793	tooltip => "How long the server has been running since last restart",
		2794	},
		2795	"c/mapinfo" => {
		2796	id => "infobox",
		2797	title => "Map Info",
		2798	reply => undef,
		2799	tooltip => "Information related to the maps",
		2800	},
		2801	"c/party" => {
		2802	id => "party",
		2803	title => "Party",
		2804	reply => "gsay ",
		2805	tooltip => "Messages and chat related to your party",
		2806	},
		2807	);
		2808
2512	sub cf::client::send_msg {	2809	sub cf::client::send_msg {
2513	my ($self, $channel, $msg, $color, @extra) = @_;	2810	my ($self, $channel, $msg, $color, @extra) = @_;
2514		2811
2515	$msg = $self->pl->expand_cfpod ($msg);	2812	$msg = $self->pl->expand_cfpod ($msg)
		2813	unless $color & cf::NDI_VERBATIM;
2516		2814
2517	$color &= ~cf::NDI_UNIQUE; # just in case...	2815	$color &= cf::NDI_CLIENT_MASK; # just in case...
2518		2816
		2817	# check predefined channels, for the benefit of C
		2818	if ($CHANNEL{$channel}) {
		2819	$channel = $CHANNEL{$channel};
		2820
		2821	$self->ext_msg (channel_info => $channel)
		2822	if $self->can_msg;
		2823
		2824	$channel = $channel->{id};
		2825
2519	if (ref $channel) {	2826	} elsif (ref $channel) {
2520	# send meta info to client, if not yet sent	2827	# send meta info to client, if not yet sent
2521	unless (exists $self->{channel}{$channel->{id}}) {	2828	unless (exists $self->{channel}{$channel->{id}}) {
2522	$self->{channel}{$channel->{id}} = $channel;	2829	$self->{channel}{$channel->{id}} = $channel;
2523	$self->ext_msg (channel_info => $channel);	2830	$self->ext_msg (channel_info => $channel)
		2831	if $self->can_msg;
2524	}	2832	}
2525		2833
2526	$channel = $channel->{id};	2834	$channel = $channel->{id};
2527	}	2835	}
2528		2836
2529	return unless @extra || length $msg;	2837	return unless @extra || length $msg;
2530		2838
2531	if ($self->can_msg) {	2839	if ($self->can_msg) {
2532	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));	2840	# default colour, mask it out
		2841	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2842	if $color & cf::NDI_DEF;
		2843
		2844	my $pkt = "msg "
		2845	. $self->{json_coder}->encode (
		2846	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2847	);
		2848
		2849	# try lzf for large packets
		2850	$pkt = "lzf " . Compress::LZF::compress $pkt
		2851	if 1024 <= length $pkt and $self->{can_lzf};
		2852
		2853	# split very large packets
		2854	if (8192 < length $pkt and $self->{can_lzf}) {
		2855	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2856	$pkt = "frag";
		2857	}
		2858
		2859	$self->send_packet ($pkt);
2533	} else {	2860	} else {
2534	# replace some tags by gcfclient-compatible ones
2535	for ($msg) {
2536	1 while
2537	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2538	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2539	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2540	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2541	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2542	}
2543
2544	if ($color >= 0) {	2861	if ($color >= 0) {
		2862	# replace some tags by gcfclient-compatible ones
		2863	for ($msg) {
		2864	1 while
		2865	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2866	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2867	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2868	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2869	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2870	}
		2871
		2872	$color &= cf::NDI_COLOR_MASK;
		2873
		2874	utf8::encode $msg;
		2875
2545	if (0 && $msg =~ /\[/) {	2876	if (0 && $msg =~ /\[/) {
		2877	# COMMAND/INFO
2546	$self->send_packet ("drawextinfo $color 4 0 $msg")	2878	$self->send_packet ("drawextinfo $color 10 8 $msg")
2547	} else {	2879	} else {
2548	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	2880	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2549	$self->send_packet ("drawinfo $color $msg")	2881	$self->send_packet ("drawinfo $color $msg")
2550	}	2882	}
2551	}	2883	}
…		…
2559	=cut	2891	=cut
2560		2892
2561	sub cf::client::ext_msg($$@) {	2893	sub cf::client::ext_msg($$@) {
2562	my ($self, $type, @msg) = @_;	2894	my ($self, $type, @msg) = @_;
2563		2895
2564	my $extcmd = $self->extcmd;
2565
2566	if ($extcmd == 2) {	2896	if ($self->extcmd == 2) {
2567	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	2897	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2568	} elsif ($extcmd == 1) { # TODO: remove	2898	} elsif ($self->extcmd == 1) { # TODO: remove
2569	push @msg, msgtype => "event_$type";	2899	push @msg, msgtype => "event_$type";
		2900	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2901	}
		2902	}
		2903
		2904	=item $client->ext_reply ($msgid, @msg)
		2905
		2906	Sends an ext reply to the client.
		2907
		2908	=cut
		2909
		2910	sub cf::client::ext_reply($$@) {
		2911	my ($self, $id, @msg) = @_;
		2912
		2913	if ($self->extcmd == 2) {
		2914	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2915	} elsif ($self->extcmd == 1) {
		2916	#TODO: version 1, remove
		2917	unshift @msg, msgtype => "reply", msgid => $id;
2570	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	2918	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2571	}	2919	}
2572	}	2920	}
2573		2921
2574	=item $success = $client->query ($flags, "text", \&cb)	2922	=item $success = $client->query ($flags, "text", \&cb)
…		…
2636	my ($type, $reply, @payload) =	2984	my ($type, $reply, @payload) =
2637	"ARRAY" eq ref $msg	2985	"ARRAY" eq ref $msg
2638	? @$msg	2986	? @$msg
2639	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	2987	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2640		2988
		2989	my @reply;
		2990
2641	if (my $cb = $EXTICMD{$type}) {	2991	if (my $cb = $EXTICMD{$type}) {
2642	my @reply = $cb->($ns, @payload);	2992	@reply = $cb->($ns, @payload);
2643
2644	$ns->ext_reply ($reply, @reply)
2645	if $reply;
2646	}	2993	}
		2994
		2995	$ns->ext_reply ($reply, @reply)
		2996	if $reply;
		2997
2647	} else {	2998	} else {
2648	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	2999	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2649	}	3000	}
2650		3001
2651	cf::override;	3002	cf::override;
…		…
2698	our $safe = new Safe "safe";	3049	our $safe = new Safe "safe";
2699	our $safe_hole = new Safe::Hole;	3050	our $safe_hole = new Safe::Hole;
2700		3051
2701	$SIG{FPE} = 'IGNORE';	3052	$SIG{FPE} = 'IGNORE';
2702		3053
2703	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3054	$safe->permit_only (Opcode::opset qw(
		3055	:base_core :base_mem :base_orig :base_math
		3056	grepstart grepwhile mapstart mapwhile
		3057	sort time
		3058	));
2704		3059
2705	# here we export the classes and methods available to script code	3060	# here we export the classes and methods available to script code
2706		3061
2707	=pod	3062	=pod
2708		3063
2709	The following functions and methods are available within a safe environment:	3064	The following functions and methods are available within a safe environment:
2710		3065
2711	cf::object	3066	cf::object
2712	contr pay_amount pay_player map x y force_find force_add	3067	contr pay_amount pay_player map x y force_find force_add destroy
2713	insert remove	3068	insert remove name archname title slaying race decrease split
2714		3069
2715	cf::object::player	3070	cf::object::player
2716	player	3071	player
2717		3072
2718	cf::player	3073	cf::player
…		…
2723		3078
2724	=cut	3079	=cut
2725		3080
2726	for (	3081	for (
2727	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3082	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2728	insert remove)],	3083	insert remove inv nrof name archname title slaying race
		3084	decrease split destroy change_exp)],
2729	["cf::object::player" => qw(player)],	3085	["cf::object::player" => qw(player)],
2730	["cf::player" => qw(peaceful)],	3086	["cf::player" => qw(peaceful)],
2731	["cf::map" => qw(trigger)],	3087	["cf::map" => qw(trigger)],
2732	) {	3088	) {
2733	no strict 'refs';	3089	no strict 'refs';
…		…
2809	# the server's init and main functions	3165	# the server's init and main functions
2810		3166
2811	sub load_facedata($) {	3167	sub load_facedata($) {
2812	my ($path) = @_;	3168	my ($path) = @_;
2813		3169
		3170	# HACK to clear player env face cache, we need some signal framework
		3171	# for this (global event?)
		3172	%ext::player_env::MUSIC_FACE_CACHE = ();
		3173
		3174	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3175
2814	warn "loading facedata from $path\n";	3176	warn "loading facedata from $path\n";
2815		3177
2816	my $facedata;	3178	my $facedata;
2817	0 < aio_load $path, $facedata	3179	0 < aio_load $path, $facedata
2818	or die "$path: $!";	3180	or die "$path: $!";
…		…
2820	$facedata = Coro::Storable::thaw $facedata;	3182	$facedata = Coro::Storable::thaw $facedata;
2821		3183
2822	$facedata->{version} == 2	3184	$facedata->{version} == 2
2823	or cf::cleanup "$path: version mismatch, cannot proceed.";	3185	or cf::cleanup "$path: version mismatch, cannot proceed.";
2824		3186
		3187	# patch in the exptable
		3188	$facedata->{resource}{"res/exp_table"} = {
		3189	type => FT_RSRC,
		3190	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3191	};
		3192	cf::cede_to_tick;
		3193
2825	{	3194	{
2826	my $faces = $facedata->{faceinfo};	3195	my $faces = $facedata->{faceinfo};
2827		3196
2828	while (my ($face, $info) = each %$faces) {	3197	while (my ($face, $info) = each %$faces) {
2829	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3198	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3199
2830	cf::face::set_visibility $idx, $info->{visibility};	3200	cf::face::set_visibility $idx, $info->{visibility};
2831	cf::face::set_magicmap $idx, $info->{magicmap};	3201	cf::face::set_magicmap $idx, $info->{magicmap};
2832	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3202	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2833	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3203	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2834		3204
2835	cf::cede_to_tick;	3205	cf::cede_to_tick;
2836	}	3206	}
2837		3207
2838	while (my ($face, $info) = each %$faces) {	3208	while (my ($face, $info) = each %$faces) {
2839	next unless $info->{smooth};	3209	next unless $info->{smooth};
		3210
2840	my $idx = cf::face::find $face	3211	my $idx = cf::face::find $face
2841	or next;	3212	or next;
		3213
2842	if (my $smooth = cf::face::find $info->{smooth}) {	3214	if (my $smooth = cf::face::find $info->{smooth}) {
2843	cf::face::set_smooth $idx, $smooth;	3215	cf::face::set_smooth $idx, $smooth;
2844	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3216	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2845	} else {	3217	} else {
2846	warn "smooth face '$info->{smooth}' not found for face '$face'";	3218	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2863		3235
2864	{	3236	{
2865	# TODO: for gcfclient pleasure, we should give resources	3237	# TODO: for gcfclient pleasure, we should give resources
2866	# that gcfclient doesn't grok a >10000 face index.	3238	# that gcfclient doesn't grok a >10000 face index.
2867	my $res = $facedata->{resource};	3239	my $res = $facedata->{resource};
2868	my $enc = JSON::XS->new->utf8->canonical;
2869
2870	my $soundconf = delete $res->{"res/sound.conf"};
2871		3240
2872	while (my ($name, $info) = each %$res) {	3241	while (my ($name, $info) = each %$res) {
2873	my $meta = $enc->encode ({	3242	if (defined $info->{type}) {
2874	name => $name,
2875	%{ $info->{meta} || {} },
2876	});
2877
2878	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3243	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3244	my $data;
2879		3245
2880	if ($info->{type} & 1) {	3246	if ($info->{type} & 1) {
2881	# prepend meta info	3247	# prepend meta info
2882		3248
		3249	my $meta = $enc->encode ({
		3250	name => $name,
		3251	%{ $info->{meta} || {} },
		3252	});
		3253
2883	my $data = pack "(w/a*)*", $meta, $info->{data};	3254	$data = pack "(w/a*)*", $meta, $info->{data};
2884	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata	3255	} else {
		3256	$data = $info->{data};
		3257	}
2885		3258
2886	cf::face::set_data $idx, 0, $data, $chk;	3259	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3260	cf::face::set_type $idx, $info->{type};
2887	} else {	3261	} else {
2888	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};	3262	$RESOURCE{$name} = $info;
2889	}	3263	}
2890		3264
2891	cf::face::set_type $idx, $info->{type};
2892
2893	cf::cede_to_tick;	3265	cf::cede_to_tick;
2894	}	3266	}
2895
2896	if ($soundconf) {
2897	$soundconf = $enc->decode (delete $soundconf->{data});
2898
2899	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2900	my $sound = $soundconf->{compat}[$_]
2901	or next;
2902
2903	my $face = cf::face::find "sound/$sound->[1]";
2904	warn "$sound->[0]: $face\n";#d#
2905
2906	cf::sound::set $sound->[0] => $face;
2907	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2908	}
2909
2910	#TODO
2911	}
2912	}	3267	}
		3268
		3269	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2913		3270
2914	1	3271	1
2915	}	3272	}
		3273
		3274	cf::global->attach (on_resource_update => sub {
		3275	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3276	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3277
		3278	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3279	my $sound = $soundconf->{compat}[$_]
		3280	or next;
		3281
		3282	my $face = cf::face::find "sound/$sound->[1]";
		3283	cf::sound::set $sound->[0] => $face;
		3284	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3285	}
		3286
		3287	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3288	my $face = cf::face::find "sound/$v";
		3289	cf::sound::set $k => $face;
		3290	}
		3291	}
		3292	});
2916		3293
2917	register_exticmd fx_want => sub {	3294	register_exticmd fx_want => sub {
2918	my ($ns, $want) = @_;	3295	my ($ns, $want) = @_;
2919		3296
2920	while (my ($k, $v) = each %$want) {	3297	while (my ($k, $v) = each %$want) {
2921	$ns->fx_want ($k, $v);	3298	$ns->fx_want ($k, $v);
2922	}	3299	}
2923	};	3300	};
2924		3301
		3302	sub load_resource_file($) {
		3303	my $guard = lock_acquire "load_resource_file";
		3304
		3305	my $status = load_resource_file_ $_[0];
		3306	get_slot 0.1, 100;
		3307	cf::arch::commit_load;
		3308
		3309	$status
		3310	}
		3311
2925	sub reload_regions {	3312	sub reload_regions {
		3313	# HACK to clear player env face cache, we need some signal framework
		3314	# for this (global event?)
		3315	%ext::player_env::MUSIC_FACE_CACHE = ();
		3316
2926	load_resource_file "$MAPDIR/regions"	3317	load_resource_file "$MAPDIR/regions"
2927	or die "unable to load regions file\n";	3318	or die "unable to load regions file\n";
2928		3319
2929	for (cf::region::list) {	3320	for (cf::region::list) {
2930	$_->{match} = qr/$_->{match}/	3321	$_->{match} = qr/$_->{match}/
…		…
2938	}	3329	}
2939		3330
2940	sub reload_archetypes {	3331	sub reload_archetypes {
2941	load_resource_file "$DATADIR/archetypes"	3332	load_resource_file "$DATADIR/archetypes"
2942	or die "unable to load archetypes\n";	3333	or die "unable to load archetypes\n";
2943	#d# NEED to laod twice to resolve forward references
2944	# this really needs to be done in an extra post-pass
2945	# (which needs to be synchronous, so solve it differently)
2946	load_resource_file "$DATADIR/archetypes"
2947	or die "unable to load archetypes\n";
2948	}	3334	}
2949		3335
2950	sub reload_treasures {	3336	sub reload_treasures {
2951	load_resource_file "$DATADIR/treasures"	3337	load_resource_file "$DATADIR/treasures"
2952	or die "unable to load treasurelists\n";	3338	or die "unable to load treasurelists\n";
2953	}	3339	}
2954		3340
2955	sub reload_resources {	3341	sub reload_resources {
2956	warn "reloading resource files...\n";	3342	warn "reloading resource files...\n";
2957		3343
		3344	reload_facedata;
		3345	reload_archetypes;
2958	reload_regions;	3346	reload_regions;
2959	reload_facedata;
2960	#reload_archetypes;#d#
2961	reload_archetypes;
2962	reload_treasures;	3347	reload_treasures;
2963		3348
2964	warn "finished reloading resource files\n";	3349	warn "finished reloading resource files\n";
2965	}	3350	}
2966		3351
2967	sub init {	3352	sub init {
		3353	my $guard = freeze_mainloop;
		3354
		3355	evthread_start IO::AIO::poll_fileno;
		3356
2968	reload_resources;	3357	reload_resources;
2969	}	3358	}
2970		3359
2971	sub cfg_load {	3360	sub reload_config {
2972	open my $fh, "<:utf8", "$CONFDIR/config"	3361	open my $fh, "<:utf8", "$CONFDIR/config"
2973	or return;	3362	or return;
2974		3363
2975	local $/;	3364	local $/;
2976	*CFG = YAML::Syck::Load <$fh>;	3365	*CFG = YAML::Load <$fh>;
2977		3366
2978	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3367	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2979		3368
2980	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3369	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2981	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3370	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2987	};	3376	};
2988	warn $@ if $@;	3377	warn $@ if $@;
2989	}	3378	}
2990	}	3379	}
2991		3380
		3381	sub pidfile() {
		3382	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3383	or die "$PIDFILE: $!";
		3384	flock $fh, &Fcntl::LOCK_EX
		3385	or die "$PIDFILE: flock: $!";
		3386	$fh
		3387	}
		3388
		3389	# make sure only one server instance is running at any one time
		3390	sub atomic {
		3391	my $fh = pidfile;
		3392
		3393	my $pid = <$fh>;
		3394	kill 9, $pid if $pid > 0;
		3395
		3396	seek $fh, 0, 0;
		3397	print $fh $$;
		3398	}
		3399
2992	sub main {	3400	sub main {
		3401	atomic;
		3402
2993	# we must not ever block the main coroutine	3403	# we must not ever block the main coroutine
2994	local $Coro::idle = sub {	3404	local $Coro::idle = sub {
2995	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3405	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2996	(async {	3406	(async {
2997	Event::one_event;	3407	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3408	EV::loop EV::LOOP_ONESHOT;
2998	})->prio (Coro::PRIO_MAX);	3409	})->prio (Coro::PRIO_MAX);
2999	};	3410	};
3000		3411
3001	cfg_load;	3412	{
		3413	my $guard = freeze_mainloop;
		3414	reload_config;
3002	db_init;	3415	db_init;
3003	load_extensions;	3416	load_extensions;
3004		3417
3005	$TICK_WATCHER->start;	3418	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3419	}
		3420
		3421	utime time, time, $RUNTIMEFILE;
		3422
		3423	# no (long-running) fork's whatsoever before this point(!)
		3424	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3425
3006	Event::loop;	3426	EV::loop;
3007	}	3427	}
3008		3428
3009	#############################################################################	3429	#############################################################################
3010	# initialisation and cleanup	3430	# initialisation and cleanup
3011		3431
3012	# install some emergency cleanup handlers	3432	# install some emergency cleanup handlers
3013	BEGIN {	3433	BEGIN {
		3434	our %SIGWATCHER = ();
3014	for my $signal (qw(INT HUP TERM)) {	3435	for my $signal (qw(INT HUP TERM)) {
3015	Event->signal (	3436	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3016	reentrant => 0,
3017	data => WF_AUTOCANCEL,
3018	signal => $signal,
3019	prio => 0,
3020	cb => sub {
3021	cf::cleanup "SIG$signal";	3437	cf::cleanup "SIG$signal";
3022	},
3023	);	3438	};
3024	}	3439	}
3025	}	3440	}
3026		3441
3027	sub write_runtime {	3442	sub write_runtime_sync {
3028	my $runtime = "$LOCALDIR/runtime";
3029
3030	# first touch the runtime file to show we are still running:	3443	# first touch the runtime file to show we are still running:
3031	# the fsync below can take a very very long time.	3444	# the fsync below can take a very very long time.
3032		3445
3033	IO::AIO::aio_utime $runtime, undef, undef;	3446	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3034		3447
3035	my $guard = cf::lock_acquire "write_runtime";	3448	my $guard = cf::lock_acquire "write_runtime";
3036		3449
3037	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3450	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3038	or return;	3451	or return;
3039		3452
3040	my $value = $cf::RUNTIME + 90 + 10;	3453	my $value = $cf::RUNTIME + 90 + 10;
3041	# 10 is the runtime save interval, for a monotonic clock	3454	# 10 is the runtime save interval, for a monotonic clock
3042	# 60 allows for the watchdog to kill the server.	3455	# 60 allows for the watchdog to kill the server.
…		…
3052	aio_utime $fh, undef, undef;	3465	aio_utime $fh, undef, undef;
3053		3466
3054	close $fh	3467	close $fh
3055	or return;	3468	or return;
3056		3469
3057	aio_rename "$runtime~", $runtime	3470	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3058	and return;	3471	and return;
3059		3472
3060	warn "runtime file written.\n";	3473	warn "runtime file written.\n";
3061		3474
3062	1	3475	1
		3476	}
		3477
		3478	our $uuid_lock;
		3479	our $uuid_skip;
		3480
		3481	sub write_uuid_sync($) {
		3482	$uuid_skip ||= $_[0];
		3483
		3484	return if $uuid_lock;
		3485	local $uuid_lock = 1;
		3486
		3487	my $uuid = "$LOCALDIR/uuid";
		3488
		3489	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3490	or return;
		3491
		3492	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3493	$uuid_skip = 0;
		3494
		3495	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3496	and return;
		3497
		3498	# always fsync - this file is important
		3499	aio_fsync $fh
		3500	and return;
		3501
		3502	close $fh
		3503	or return;
		3504
		3505	aio_rename "$uuid~", $uuid
		3506	and return;
		3507
		3508	warn "uuid file written ($value).\n";
		3509
		3510	1
		3511
		3512	}
		3513
		3514	sub write_uuid($$) {
		3515	my ($skip, $sync) = @_;
		3516
		3517	$sync ? write_uuid_sync $skip
		3518	: async { write_uuid_sync $skip };
3063	}	3519	}
3064		3520
3065	sub emergency_save() {	3521	sub emergency_save() {
3066	my $freeze_guard = cf::freeze_mainloop;	3522	my $freeze_guard = cf::freeze_mainloop;
3067		3523
…		…
3073	# and maps saved/destroyed asynchronously.	3529	# and maps saved/destroyed asynchronously.
3074	warn "begin emergency player save\n";	3530	warn "begin emergency player save\n";
3075	for my $login (keys %cf::PLAYER) {	3531	for my $login (keys %cf::PLAYER) {
3076	my $pl = $cf::PLAYER{$login} or next;	3532	my $pl = $cf::PLAYER{$login} or next;
3077	$pl->valid or next;	3533	$pl->valid or next;
		3534	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3078	$pl->save;	3535	$pl->save;
3079	}	3536	}
3080	warn "end emergency player save\n";	3537	warn "end emergency player save\n";
3081		3538
3082	warn "begin emergency map save\n";	3539	warn "begin emergency map save\n";
…		…
3088	warn "end emergency map save\n";	3545	warn "end emergency map save\n";
3089		3546
3090	warn "begin emergency database checkpoint\n";	3547	warn "begin emergency database checkpoint\n";
3091	BDB::db_env_txn_checkpoint $DB_ENV;	3548	BDB::db_env_txn_checkpoint $DB_ENV;
3092	warn "end emergency database checkpoint\n";	3549	warn "end emergency database checkpoint\n";
		3550
		3551	warn "begin write uuid\n";
		3552	write_uuid_sync 1;
		3553	warn "end write uuid\n";
3093	};	3554	};
3094		3555
3095	warn "leave emergency perl save\n";	3556	warn "leave emergency perl save\n";
3096	}	3557	}
3097		3558
3098	sub post_cleanup {	3559	sub post_cleanup {
3099	my ($make_core) = @_;	3560	my ($make_core) = @_;
3100		3561
3101	warn Carp::longmess "post_cleanup backtrace"	3562	warn Carp::longmess "post_cleanup backtrace"
3102	if $make_core;	3563	if $make_core;
		3564
		3565	my $fh = pidfile;
		3566	unlink $PIDFILE if <$fh> == $$;
3103	}	3567	}
		3568
		3569	# a safer delete_package, copied from Symbol
		3570	sub clear_package($) {
		3571	my $pkg = shift;
		3572
		3573	# expand to full symbol table name if needed
		3574	unless ($pkg =~ /^main::.*::$/) {
		3575	$pkg = "main$pkg" if $pkg =~ /^::/;
		3576	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3577	$pkg .= '::' unless $pkg =~ /::$/;
		3578	}
		3579
		3580	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3581	my $stem_symtab = *{$stem}{HASH};
		3582
		3583	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3584	or return;
		3585
		3586	# clear all symbols
		3587	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3588	for my $name (keys %$leaf_symtab) {
		3589	_gv_clear *{"$pkg$name"};
		3590	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3591	}
		3592	warn "cleared package #$pkg\n";#d#
		3593	}
		3594
		3595	our $RELOAD; # how many times to reload
3104		3596
3105	sub do_reload_perl() {	3597	sub do_reload_perl() {
3106	# can/must only be called in main	3598	# can/must only be called in main
3107	if ($Coro::current != $Coro::main) {	3599	if ($Coro::current != $Coro::main) {
3108	warn "can only reload from main coroutine";	3600	warn "can only reload from main coroutine";
3109	return;	3601	return;
3110	}	3602	}
3111		3603
		3604	return if $RELOAD++;
		3605
		3606	while ($RELOAD) {
3112	warn "reloading...";	3607	warn "reloading...";
3113		3608
3114	warn "entering sync_job";	3609	warn "entering sync_job";
3115		3610
3116	cf::sync_job {	3611	cf::sync_job {
3117	cf::write_runtime; # external watchdog should not bark	3612	cf::write_runtime_sync; # external watchdog should not bark
3118	cf::emergency_save;	3613	cf::emergency_save;
3119	cf::write_runtime; # external watchdog should not bark	3614	cf::write_runtime_sync; # external watchdog should not bark
3120		3615
3121	warn "syncing database to disk";	3616	warn "syncing database to disk";
3122	BDB::db_env_txn_checkpoint $DB_ENV;	3617	BDB::db_env_txn_checkpoint $DB_ENV;
3123		3618
3124	# if anything goes wrong in here, we should simply crash as we already saved	3619	# if anything goes wrong in here, we should simply crash as we already saved
3125		3620
3126	warn "cancelling all WF_AUTOCANCEL watchers";
3127	for (Event::all_watchers) {
3128	$_->cancel if $_->data & WF_AUTOCANCEL;
3129	}
3130
3131	warn "flushing outstanding aio requests";	3621	warn "flushing outstanding aio requests";
3132	for (;;) {
3133	BDB::flush;
3134	IO::AIO::flush;
3135	Coro::cede;
3136	last unless IO::AIO::nreqs || BDB::nreqs;	3622	while (IO::AIO::nreqs || BDB::nreqs) {
3137	warn "iterate...";	3623	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3138	}
3139
3140	++$RELOAD;
3141
3142	warn "cancelling all extension coros";
3143	$_->cancel for values %EXT_CORO;
3144	%EXT_CORO = ();
3145
3146	warn "removing commands";
3147	%COMMAND = ();
3148
3149	warn "removing ext/exti commands";
3150	%EXTCMD = ();
3151	%EXTICMD = ();
3152
3153	warn "unloading/nuking all extensions";
3154	for my $pkg (@EXTS) {
3155	warn "... unloading $pkg";
3156
3157	if (my $cb = $pkg->can ("unload")) {
3158	eval {
3159	$cb->($pkg);
3160	1
3161	} or warn "$pkg unloaded, but with errors: $@";
3162	}	3624	}
3163		3625
3164	warn "... nuking $pkg";	3626	warn "cancelling all extension coros";
3165	Symbol::delete_package $pkg;	3627	$_->cancel for values %EXT_CORO;
3166	}	3628	%EXT_CORO = ();
3167		3629
3168	warn "unloading all perl modules loaded from $LIBDIR";	3630	warn "removing commands";
3169	while (my ($k, $v) = each %INC) {	3631	%COMMAND = ();
3170	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3171		3632
		3633	warn "removing ext/exti commands";
		3634	%EXTCMD = ();
		3635	%EXTICMD = ();
		3636
		3637	warn "unloading/nuking all extensions";
		3638	for my $pkg (@EXTS) {
3172	warn "... unloading $k";	3639	warn "... unloading $pkg";
3173	delete $INC{$k};
3174		3640
3175	$k =~ s/\.pm$//;
3176	$k =~ s/\//::/g;
3177
3178	if (my $cb = $k->can ("unload_module")) {	3641	if (my $cb = $pkg->can ("unload")) {
		3642	eval {
3179	$cb->();	3643	$cb->($pkg);
		3644	1
		3645	} or warn "$pkg unloaded, but with errors: $@";
		3646	}
		3647
		3648	warn "... clearing $pkg";
		3649	clear_package $pkg;
3180	}	3650	}
3181		3651
3182	Symbol::delete_package $k;	3652	warn "unloading all perl modules loaded from $LIBDIR";
		3653	while (my ($k, $v) = each %INC) {
		3654	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3655
		3656	warn "... unloading $k";
		3657	delete $INC{$k};
		3658
		3659	$k =~ s/\.pm$//;
		3660	$k =~ s/\//::/g;
		3661
		3662	if (my $cb = $k->can ("unload_module")) {
		3663	$cb->();
		3664	}
		3665
		3666	clear_package $k;
3183	}	3667	}
3184		3668
3185	warn "getting rid of safe::, as good as possible";	3669	warn "getting rid of safe::, as good as possible";
3186	Symbol::delete_package "safe::$_"	3670	clear_package "safe::$_"
3187	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3671	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3188		3672
3189	warn "unloading cf.pm \"a bit\"";	3673	warn "unloading cf.pm \"a bit\"";
3190	delete $INC{"cf.pm"};	3674	delete $INC{"cf.pm"};
3191	delete $INC{"cf/pod.pm"};	3675	delete $INC{"cf/pod.pm"};
3192		3676
3193	# don't, removes xs symbols, too,	3677	# don't, removes xs symbols, too,
3194	# and global variables created in xs	3678	# and global variables created in xs
3195	#Symbol::delete_package __PACKAGE__;	3679	#clear_package __PACKAGE__;
3196		3680
3197	warn "unload completed, starting to reload now";	3681	warn "unload completed, starting to reload now";
3198		3682
3199	warn "reloading cf.pm";	3683	warn "reloading cf.pm";
3200	require cf;	3684	require cf;
3201	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3685	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3202		3686
3203	warn "loading config and database again";	3687	warn "loading config and database again";
3204	cf::cfg_load;	3688	cf::reload_config;
3205		3689
3206	warn "loading extensions";	3690	warn "loading extensions";
3207	cf::load_extensions;	3691	cf::load_extensions;
3208		3692
3209	warn "reattaching attachments to objects/players";	3693	warn "reattaching attachments to objects/players";
3210	_global_reattach; # objects, sockets	3694	_global_reattach; # objects, sockets
3211	warn "reattaching attachments to maps";	3695	warn "reattaching attachments to maps";
3212	reattach $_ for values %MAP;	3696	reattach $_ for values %MAP;
3213	warn "reattaching attachments to players";	3697	warn "reattaching attachments to players";
3214	reattach $_ for values %PLAYER;	3698	reattach $_ for values %PLAYER;
3215		3699
3216	warn "leaving sync_job";	3700	warn "leaving sync_job";
3217		3701
3218	1	3702	1
3219	} or do {	3703	} or do {
3220	warn $@;	3704	warn $@;
3221	warn "error while reloading, exiting.";	3705	cf::cleanup "error while reloading, exiting.";
3222	exit 1;
3223	};	3706	};
3224		3707
3225	warn "reloaded";	3708	warn "reloaded";
		3709	--$RELOAD;
		3710	}
3226	};	3711	};
3227		3712
3228	our $RELOAD_WATCHER; # used only during reload	3713	our $RELOAD_WATCHER; # used only during reload
3229		3714
3230	sub reload_perl() {	3715	sub reload_perl() {
3231	# doing reload synchronously and two reloads happen back-to-back,	3716	# doing reload synchronously and two reloads happen back-to-back,
3232	# coro crashes during coro_state_free->destroy here.	3717	# coro crashes during coro_state_free->destroy here.
3233		3718
3234	$RELOAD_WATCHER ||= Event->timer (	3719	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3235	reentrant => 0,
3236	after => 0,
3237	data => WF_AUTOCANCEL,
3238	cb => sub {
3239	do_reload_perl;	3720	do_reload_perl;
3240	undef $RELOAD_WATCHER;	3721	undef $RELOAD_WATCHER;
3241	},
3242	);	3722	};
3243	}	3723	}
3244		3724
3245	register_command "reload" => sub {	3725	register_command "reload" => sub {
3246	my ($who, $arg) = @_;	3726	my ($who, $arg) = @_;
3247		3727
3248	if ($who->flag (FLAG_WIZ)) {	3728	if ($who->flag (FLAG_WIZ)) {
3249	$who->message ("reloading server.");	3729	$who->message ("reloading server.");
		3730	async {
		3731	$Coro::current->{desc} = "perl_reload";
3250	async { reload_perl };	3732	reload_perl;
		3733	};
3251	}	3734	}
3252	};	3735	};
3253		3736
3254	unshift @INC, $LIBDIR;	3737	unshift @INC, $LIBDIR;
3255		3738
…		…
3257		3740
3258	our @WAIT_FOR_TICK;	3741	our @WAIT_FOR_TICK;
3259	our @WAIT_FOR_TICK_BEGIN;	3742	our @WAIT_FOR_TICK_BEGIN;
3260		3743
3261	sub wait_for_tick {	3744	sub wait_for_tick {
3262	return unless $TICK_WATCHER->is_active;
3263	return if $Coro::current == $Coro::main;	3745	return if tick_inhibit || $Coro::current == $Coro::main;
3264		3746
3265	my $signal = new Coro::Signal;	3747	my $signal = new Coro::Signal;
3266	push @WAIT_FOR_TICK, $signal;	3748	push @WAIT_FOR_TICK, $signal;
3267	$signal->wait;	3749	$signal->wait;
3268	}	3750	}
3269		3751
3270	sub wait_for_tick_begin {	3752	sub wait_for_tick_begin {
3271	return unless $TICK_WATCHER->is_active;
3272	return if $Coro::current == $Coro::main;	3753	return if tick_inhibit || $Coro::current == $Coro::main;
3273		3754
3274	my $signal = new Coro::Signal;	3755	my $signal = new Coro::Signal;
3275	push @WAIT_FOR_TICK_BEGIN, $signal;	3756	push @WAIT_FOR_TICK_BEGIN, $signal;
3276	$signal->wait;	3757	$signal->wait;
3277	}	3758	}
3278		3759
3279	my $min = 1e6;#d#	3760	sub tick {
3280	my $avg = 10;
3281	$TICK_WATCHER = Event->timer (
3282	reentrant => 0,
3283	parked => 1,
3284	prio => 0,
3285	at => $NEXT_TICK || $TICK,
3286	data => WF_AUTOCANCEL,
3287	cb => sub {
3288	if ($Coro::current != $Coro::main) {	3761	if ($Coro::current != $Coro::main) {
3289	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3762	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3290	unless ++$bug_warning > 10;	3763	unless ++$bug_warning > 10;
3291	return;	3764	return;
3292	}	3765	}
3293		3766
3294	$NOW = $tick_start = Event::time;
3295
3296	cf::server_tick; # one server iteration	3767	cf::server_tick; # one server iteration
3297		3768
3298	0 && sync_job {#d#	3769	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3299	for(1..10) {	3770	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3300	my $t = Event::time;	3771	Coro::async_pool {
3301	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3772	$Coro::current->{desc} = "runtime saver";
3302	or die;	3773	write_runtime_sync
3303		3774	or warn "ERROR: unable to write runtime file: $!";
3304	$map->width (50);
3305	$map->height (50);
3306	$map->alloc;
3307	$map->_load_objects ("/tmp/x.map", 1);
3308	my $t = Event::time - $t;
3309
3310	#next unless $t < 0.0013;#d#
3311	if ($t < $min) {
3312	$min = $t;
3313	}
3314	$avg = $avg * 0.99 + $t * 0.01;
3315	}
3316	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3317	exit 0;
3318	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3319	};	3775	};
		3776	}
3320		3777
3321	$RUNTIME += $TICK;
3322	$NEXT_TICK += $TICK;
3323
3324	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3325	$NEXT_RUNTIME_WRITE = $NOW + 10;
3326	Coro::async_pool {
3327	write_runtime
3328	or warn "ERROR: unable to write runtime file: $!";
3329	};
3330	}
3331
3332	# my $AFTER = Event::time;
3333	# warn $AFTER - $NOW;#d#
3334
3335	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3778	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3336	$sig->send;	3779	$sig->send;
3337	}	3780	}
3338	while (my $sig = shift @WAIT_FOR_TICK) {	3781	while (my $sig = shift @WAIT_FOR_TICK) {
3339	$sig->send;	3782	$sig->send;
3340	}	3783	}
3341		3784
3342	$NOW = Event::time;	3785	$LOAD = ($NOW - $TICK_START) / $TICK;
3343
3344	# if we are delayed by four ticks or more, skip them all
3345	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3346
3347	$TICK_WATCHER->at ($NEXT_TICK);
3348	$TICK_WATCHER->start;
3349
3350	$LOAD = ($NOW - $tick_start) / $TICK;
3351	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3786	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3352		3787
3353	_post_tick;	3788	if (0) {
3354		3789	if ($NEXT_TICK) {
3355		3790	my $jitter = $TICK_START - $NEXT_TICK;
		3791	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3792	warn "jitter $JITTER\n";#d#
		3793	}
3356	},	3794	}
3357	);	3795	}
3358		3796
3359	{	3797	{
3360	BDB::max_poll_time $TICK * 0.1;	3798	# configure BDB
3361	$BDB_POLL_WATCHER = Event->io (	3799
3362	reentrant => 0,
3363	fd => BDB::poll_fileno,
3364	poll => 'r',
3365	prio => 0,
3366	data => WF_AUTOCANCEL,
3367	cb => \&BDB::poll_cb,
3368	);
3369	BDB::min_parallel 8;	3800	BDB::min_parallel 8;
3370		3801	BDB::max_poll_reqs $TICK * 0.1;
3371	BDB::set_sync_prepare {	3802	$AnyEvent::BDB::WATCHER->priority (1);
3372	my $status;
3373	my $current = $Coro::current;
3374	(
3375	sub {
3376	$status = $!;
3377	$current->ready; undef $current;
3378	},
3379	sub {
3380	Coro::schedule while defined $current;
3381	$! = $status;
3382	},
3383	)
3384	};
3385		3803
3386	unless ($DB_ENV) {	3804	unless ($DB_ENV) {
3387	$DB_ENV = BDB::db_env_create;	3805	$DB_ENV = BDB::db_env_create;
		3806	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3807	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3808	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3809	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3810	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3388		3811
3389	cf::sync_job {	3812	cf::sync_job {
3390	eval {	3813	eval {
3391	BDB::db_env_open	3814	BDB::db_env_open
3392	$DB_ENV,	3815	$DB_ENV,
…		…
3394	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3817	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3395	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3818	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3396	0666;	3819	0666;
3397		3820
3398	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3821	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3399
3400	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3401	$DB_ENV->set_lk_detect;
3402	};	3822	};
3403		3823
3404	cf::cleanup "db_env_open(db): $@" if $@;	3824	cf::cleanup "db_env_open(db): $@" if $@;
3405	};	3825	};
3406	}	3826	}
		3827
		3828	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3829	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3830	};
		3831	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3832	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3833	};
		3834	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3835	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3836	};
3407	}	3837	}
3408		3838
3409	{	3839	{
		3840	# configure IO::AIO
		3841
3410	IO::AIO::min_parallel 8;	3842	IO::AIO::min_parallel 8;
3411
3412	undef $Coro::AIO::WATCHER;
3413	IO::AIO::max_poll_time $TICK * 0.1;	3843	IO::AIO::max_poll_time $TICK * 0.1;
3414	$AIO_POLL_WATCHER = Event->io (	3844	undef $AnyEvent::AIO::WATCHER;
3415	reentrant => 0,
3416	data => WF_AUTOCANCEL,
3417	fd => IO::AIO::poll_fileno,
3418	poll => 'r',
3419	prio => 6,
3420	cb => \&IO::AIO::poll_cb,
3421	);
3422	}	3845	}
3423		3846
3424	my $_log_backtrace;	3847	my $_log_backtrace;
3425		3848
3426	sub _log_backtrace {	3849	sub _log_backtrace {
…		…
3429	$msg =~ s/\n//;	3852	$msg =~ s/\n//;
3430		3853
3431	# limit the # of concurrent backtraces	3854	# limit the # of concurrent backtraces
3432	if ($_log_backtrace < 2) {	3855	if ($_log_backtrace < 2) {
3433	++$_log_backtrace;	3856	++$_log_backtrace;
		3857	my $perl_bt = Carp::longmess $msg;
3434	async {	3858	async {
		3859	$Coro::current->{desc} = "abt $msg";
		3860
3435	my @bt = fork_call {	3861	my @bt = fork_call {
3436	@addr = map { sprintf "%x", $_ } @addr;	3862	@addr = map { sprintf "%x", $_ } @addr;
3437	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3863	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3438	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3864	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3439	or die "addr2line: $!";	3865	or die "addr2line: $!";
…		…
3447	}	3873	}
3448		3874
3449	@funcs	3875	@funcs
3450	};	3876	};
3451		3877
3452	LOG llevInfo, "[ABT] $msg\n";	3878	LOG llevInfo, "[ABT] $perl_bt\n";
		3879	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3453	LOG llevInfo, "[ABT] $_\n" for @bt;	3880	LOG llevInfo, "[ABT] $_\n" for @bt;
3454	--$_log_backtrace;	3881	--$_log_backtrace;
3455	};	3882	};
3456	} else {	3883	} else {
3457	LOG llevInfo, "[ABT] $msg\n";	3884	LOG llevInfo, "[ABT] $msg\n";

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