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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.329 by root, Fri Aug 10 05:38:16 2007 UTC vs.
Revision 1.454 by root, Thu Sep 25 12:14:32 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
		68
		69	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		70
		71	# make sure c-lzf reinitialises itself
		72	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	73	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
47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
48		74
49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	75	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
50		76
51	our %COMMAND = ();	77	our %COMMAND = ();
52	our %COMMAND_TIME = ();	78	our %COMMAND_TIME = ();
…		…
55	our %EXTCMD = ();	81	our %EXTCMD = ();
56	our %EXTICMD = ();	82	our %EXTICMD = ();
57	our %EXT_CORO = (); # coroutines bound to extensions	83	our %EXT_CORO = (); # coroutines bound to extensions
58	our %EXT_MAP = (); # pluggable maps	84	our %EXT_MAP = (); # pluggable maps
59		85
60	our $RELOAD; # number of reloads so far	86	our $RELOAD; # number of reloads so far, non-zero while in reload
61	our @EVENT;	87	our @EVENT;
62		88
63	our $CONFDIR = confdir;	89	our $CONFDIR = confdir;
64	our $DATADIR = datadir;	90	our $DATADIR = datadir;
65	our $LIBDIR = "$DATADIR/ext";	91	our $LIBDIR = "$DATADIR/ext";
66	our $PODDIR = "$DATADIR/pod";	92	our $PODDIR = "$DATADIR/pod";
67	our $MAPDIR = "$DATADIR/" . mapdir;	93	our $MAPDIR = "$DATADIR/" . mapdir;
68	our $LOCALDIR = localdir;	94	our $LOCALDIR = localdir;
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	95	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	96	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	97	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	98	our $RANDOMDIR = "$LOCALDIR/random";
73	our $BDBDIR = "$LOCALDIR/db";	99	our $BDBDIR = "$LOCALDIR/db";
		100	our $PIDFILE = "$LOCALDIR/pid";
		101	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		102
		103	our %RESOURCE;
74		104
75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	105	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	106	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79	our $NEXT_TICK;	107	our $NEXT_TICK;
80	our $NOW;
81	our $USE_FSYNC = 1; # use fsync to write maps - default off	108	our $USE_FSYNC = 1; # use fsync to write maps - default off
82		109
		110	our $BDB_DEADLOCK_WATCHER;
		111	our $BDB_CHECKPOINT_WATCHER;
83	our $BDB_POLL_WATCHER;	112	our $BDB_TRICKLE_WATCHER;
84	our $DB_ENV;	113	our $DB_ENV;
85		114
86	our %CFG;	115	our %CFG;
87		116
88	our $UPTIME; $UPTIME ||= time;	117	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;	118	our $RUNTIME;
		119	our $NOW;
90		120
91	our %PLAYER; # all users	121	our (%PLAYER, %PLAYER_LOADING); # all users
92	our %MAP; # all maps	122	our (%MAP, %MAP_LOADING ); # all maps
93	our $LINK_MAP; # the special {link} map, which is always available	123	our $LINK_MAP; # the special {link} map, which is always available
94		124
95	# used to convert map paths into valid unix filenames by replacing / by ∕	125	# used to convert map paths into valid unix filenames by replacing / by ∕
96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	126	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97		127
98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	128	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
99	our $LOADAVG; # same thing, but with alpha-smoothing	129	our $LOADAVG; # same thing, but with alpha-smoothing
		130	our $JITTER; # average jitter
100	our $tick_start; # for load detecting purposes	131	our $TICK_START; # for load detecting purposes
		132
		133	our @POST_INIT;
101		134
102	binmode STDOUT;	135	binmode STDOUT;
103	binmode STDERR;	136	binmode STDERR;
104		137
105	# read virtual server time, if available	138	# read virtual server time, if available
106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	139	unless ($RUNTIME || !-e $RUNTIMEFILE) {
107	open my $fh, "<", "$LOCALDIR/runtime"	140	open my $fh, "<", $RUNTIMEFILE
108	or die "unable to read runtime file: $!";	141	or die "unable to read $RUNTIMEFILE file: $!";
109	$RUNTIME = <$fh> + 0.;	142	$RUNTIME = <$fh> + 0.;
110	}	143	}
111		144
112	mkdir $_	145	mkdir $_
113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	146	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
158		191
159	The raw value load value from the last tick.	192	The raw value load value from the last tick.
160		193
161	=item %cf::CFG	194	=item %cf::CFG
162		195
163	Configuration for the server, loaded from C</etc/crossfire/config>, or	196	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164	from wherever your confdir points to.	197	from wherever your confdir points to.
165		198
166	=item cf::wait_for_tick, cf::wait_for_tick_begin	199	=item cf::wait_for_tick, cf::wait_for_tick_begin
167		200
168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	201	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
…		…
186	$msg .= "\n"	219	$msg .= "\n"
187	unless $msg =~ /\n$/;	220	unless $msg =~ /\n$/;
188		221
189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	222	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
190		223
191	utf8::encode $msg;
192	LOG llevError, $msg;	224	LOG llevError, $msg;
193	};	225	};
194	}	226	}
		227
		228	$Coro::State::DIEHOOK = sub {
		229	return unless $^S eq 0; # "eq", not "=="
		230
		231	if ($Coro::current == $Coro::main) {#d#
		232	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		233	return;#d#
		234	}#d#
		235
		236	# kill coroutine otherwise
		237	warn Carp::longmess $_[0];
		238	Coro::terminate
		239	};
		240
		241	$SIG{__DIE__} = sub { }; #d#?
195		242
196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	243	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	244	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	245	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	246	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
206	for my $pkg (qw(	253	for my $pkg (qw(
207	cf::global cf::attachable	254	cf::global cf::attachable
208	cf::object cf::object::player	255	cf::object cf::object::player
209	cf::client cf::player	256	cf::client cf::player
210	cf::arch cf::living	257	cf::arch cf::living
		258	cf::map cf::mapspace
211	cf::map cf::party cf::region	259	cf::party cf::region
212	)) {	260	)) {
213	no strict 'refs';
214	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	261	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
215	}	262	}
216		263
217	$Event::DIED = sub {	264	$EV::DIED = sub {
218	warn "error in event callback: @_";	265	warn "error in event callback: @_";
219	};	266	};
220		267
221	#############################################################################	268	#############################################################################
222		269
…		…
245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	292	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
246	$d	293	$d
247	} || "[unable to dump $_[0]: '$@']";	294	} || "[unable to dump $_[0]: '$@']";
248	}	295	}
249		296
250	=item $ref = cf::from_json $json	297	=item $ref = cf::decode_json $json
251		298
252	Converts a JSON string into the corresponding perl data structure.	299	Converts a JSON string into the corresponding perl data structure.
253		300
254	=item $json = cf::to_json $ref	301	=item $json = cf::encode_json $ref
255		302
256	Converts a perl data structure into its JSON representation.	303	Converts a perl data structure into its JSON representation.
257		304
258	=cut	305	=cut
259		306
260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	307	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
261		308
262	sub to_json ($) { $json_coder->encode ($_[0]) }	309	sub encode_json($) { $json_coder->encode ($_[0]) }
263	sub from_json ($) { $json_coder->decode ($_[0]) }	310	sub decode_json($) { $json_coder->decode ($_[0]) }
		311
		312	=item cf::post_init { BLOCK }
		313
		314	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		315	but I<before> the server starts ticking again.
		316
		317	The cdoeblock will have a single boolean argument to indicate whether this
		318	is a reload or not.
		319
		320	=cut
		321
		322	sub post_init(&) {
		323	push @POST_INIT, shift;
		324	}
264		325
265	=item cf::lock_wait $string	326	=item cf::lock_wait $string
266		327
267	Wait until the given lock is available. See cf::lock_acquire.	328	Wait until the given lock is available. See cf::lock_acquire.
268		329
…		…
271	Wait until the given lock is available and then acquires it and returns	332	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,	333	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	334	for example when the coroutine gets canceled), the lock is automatically
274	returned.	335	returned.
275		336
		337	Locks are *not* recursive, locking from the same coro twice results in a
		338	deadlocked coro.
		339
276	Lock names should begin with a unique identifier (for example, cf::map::find	340	Lock names should begin with a unique identifier (for example, cf::map::find
277	uses map_find and cf::map::load uses map_load).	341	uses map_find and cf::map::load uses map_load).
278		342
279	=item $locked = cf::lock_active $string	343	=item $locked = cf::lock_active $string
280		344
281	Return true if the lock is currently active, i.e. somebody has locked it.	345	Return true if the lock is currently active, i.e. somebody has locked it.
282		346
283	=cut	347	=cut
284		348
285	our %LOCK;	349	our %LOCK;
		350	our %LOCKER;#d#
286		351
287	sub lock_wait($) {	352	sub lock_wait($) {
288	my ($key) = @_;	353	my ($key) = @_;
289		354
		355	if ($LOCKER{$key} == $Coro::current) {#d#
		356	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		357	return;#d#
		358	}#d#
		359
290	# wait for lock, if any	360	# wait for lock, if any
291	while ($LOCK{$key}) {	361	while ($LOCK{$key}) {
		362	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
292	push @{ $LOCK{$key} }, $Coro::current;	363	push @{ $LOCK{$key} }, $Coro::current;
293	Coro::schedule;	364	Coro::schedule;
294	}	365	}
295	}	366	}
296		367
…		…
299		370
300	# wait, to be sure we are not locked	371	# wait, to be sure we are not locked
301	lock_wait $key;	372	lock_wait $key;
302		373
303	$LOCK{$key} = [];	374	$LOCK{$key} = [];
		375	$LOCKER{$key} = $Coro::current;#d#
304		376
305	Coro::guard {	377	Coro::guard {
		378	delete $LOCKER{$key};#d#
306	# wake up all waiters, to be on the safe side	379	# wake up all waiters, to be on the safe side
307	$_->ready for @{ delete $LOCK{$key} };	380	$_->ready for @{ delete $LOCK{$key} };
308	}	381	}
309	}	382	}
310		383
…		…
313		386
314	! ! $LOCK{$key}	387	! ! $LOCK{$key}
315	}	388	}
316		389
317	sub freeze_mainloop {	390	sub freeze_mainloop {
318	return unless $TICK_WATCHER->is_active;	391	tick_inhibit_inc;
319		392
320	my $guard = Coro::guard {	393	Coro::guard \&tick_inhibit_dec;
321	$TICK_WATCHER->start;	394	}
322	};	395
323	$TICK_WATCHER->stop;	396	=item cf::periodic $interval, $cb
324	$guard	397
		398	Like EV::periodic, but randomly selects a starting point so that the actions
		399	get spread over timer.
		400
		401	=cut
		402
		403	sub periodic($$) {
		404	my ($interval, $cb) = @_;
		405
		406	my $start = rand List::Util::min 180, $interval;
		407
		408	EV::periodic $start, $interval, 0, $cb
325	}	409	}
326		410
327	=item cf::get_slot $time[, $priority[, $name]]	411	=item cf::get_slot $time[, $priority[, $name]]
328		412
329	Allocate $time seconds of blocking CPU time at priority C<$priority>:	413	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
340	our @SLOT_QUEUE;	424	our @SLOT_QUEUE;
341	our $SLOT_QUEUE;	425	our $SLOT_QUEUE;
342		426
343	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	427	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
344	$SLOT_QUEUE = Coro::async {	428	$SLOT_QUEUE = Coro::async {
		429	$Coro::current->desc ("timeslot manager");
		430
345	my $signal = new Coro::Signal;	431	my $signal = new Coro::Signal;
346		432
347	while () {	433	while () {
348	next_job:	434	next_job:
349	my $avail = cf::till_tick;	435	my $avail = cf::till_tick;
…		…
357	}	443	}
358	}	444	}
359	}	445	}
360		446
361	if (@SLOT_QUEUE) {	447	if (@SLOT_QUEUE) {
362	# we do not use wait_For_tick() as it returns immediately when tick is inactive	448	# we do not use wait_for_tick() as it returns immediately when tick is inactive
363	push @cf::WAIT_FOR_TICK, $signal;	449	push @cf::WAIT_FOR_TICK, $signal;
364	$signal->wait;	450	$signal->wait;
365	} else {	451	} else {
366	Coro::schedule;	452	Coro::schedule;
367	}	453	}
368	}	454	}
369	};	455	};
370		456
371	sub get_slot($;$$) {	457	sub get_slot($;$$) {
		458	return if tick_inhibit || $Coro::current == $Coro::main;
		459
372	my ($time, $pri, $name) = @_;	460	my ($time, $pri, $name) = @_;
373		461
374	$time = $TICK * .6 if $time > $TICK * .6;	462	$time = $TICK * .6 if $time > $TICK * .6;
375	my $sig = new Coro::Signal;	463	my $sig = new Coro::Signal;
376		464
…		…
390		478
391	BEGIN { *async = \&Coro::async_pool }	479	BEGIN { *async = \&Coro::async_pool }
392		480
393	=item cf::sync_job { BLOCK }	481	=item cf::sync_job { BLOCK }
394		482
395	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	483	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	484	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	485	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
398	acceptable.	486	acceptable.
399		487
400	If it must be done, put the blocking parts into C<sync_job>. This will run	488	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	489	the given BLOCK in another coroutine while waiting for the result. The
…		…
406		494
407	sub sync_job(&) {	495	sub sync_job(&) {
408	my ($job) = @_;	496	my ($job) = @_;
409		497
410	if ($Coro::current == $Coro::main) {	498	if ($Coro::current == $Coro::main) {
411	my $time = Event::time;	499	my $time = EV::time;
412		500
413	# this is the main coro, too bad, we have to block	501	# this is the main coro, too bad, we have to block
414	# till the operation succeeds, freezing the server :/	502	# till the operation succeeds, freezing the server :/
415		503
416	# TODO: use suspend/resume instead	504	LOG llevError, Carp::longmess "sync job";#d#
417	# (but this is cancel-safe)	505
418	my $freeze_guard = freeze_mainloop;	506	my $freeze_guard = freeze_mainloop;
419		507
420	my $busy = 1;	508	my $busy = 1;
421	my @res;	509	my @res;
422		510
423	(async {	511	(async {
		512	$Coro::current->desc ("sync job coro");
424	@res = eval { $job->() };	513	@res = eval { $job->() };
425	warn $@ if $@;	514	warn $@ if $@;
426	undef $busy;	515	undef $busy;
427	})->prio (Coro::PRIO_MAX);	516	})->prio (Coro::PRIO_MAX);
428		517
429	while ($busy) {	518	while ($busy) {
430	Coro::cede or Event::one_event;	519	if (Coro::nready) {
		520	Coro::cede_notself;
		521	} else {
		522	EV::loop EV::LOOP_ONESHOT;
431	}	523	}
		524	}
432		525
433	$time = Event::time - $time;	526	my $time = EV::time - $time;
434		527
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	528	$TICK_START += $time; # do not account sync jobs to server load
439		529
440	wantarray ? @res : $res[0]	530	wantarray ? @res : $res[0]
441	} else {	531	} else {
442	# we are in another coroutine, how wonderful, everything just works	532	# we are in another coroutine, how wonderful, everything just works
443		533
…		…
468	=item fork_call { }, $args	558	=item fork_call { }, $args
469		559
470	Executes the given code block with the given arguments in a seperate	560	Executes the given code block with the given arguments in a seperate
471	process, returning the results. Everything must be serialisable with	561	process, returning the results. Everything must be serialisable with
472	Coro::Storable. May, of course, block. Note that the executed sub may	562	Coro::Storable. May, of course, block. Note that the executed sub may
473	never block itself or use any form of Event handling.	563	never block itself or use any form of event handling.
474		564
475	=cut	565	=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		566
486	sub fork_call(&@) {	567	sub fork_call(&@) {
487	my ($cb, @args) = @_;	568	my ($cb, @args) = @_;
488		569
489	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	570	# we seemingly have to make a local copy of the whole thing,
490	# or die "socketpair: $!";	571	# otherwise perl prematurely frees the stuff :/
491	pipe my $fh1, my $fh2	572	# TODO: investigate and fix (likely this will be rather laborious)
492	or die "pipe: $!";
493		573
494	if (my $pid = fork) {	574	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;	575	reset_signals;
508	local $SIG{__WARN__};	576	&$cb
509	local $SIG{__DIE__};	577	}, @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		578
516	eval {	579	wantarray ? @res : $res[-1]
517	close $fh1;	580	}
518		581
519	my @res = eval { $cb->(@args) };	582	=item $coin = coin_from_name $name
520		583
521	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;	584	=cut
522	close $fh2;
523	};
524		585
525	warn $@ if $@;	586	our %coin_alias = (
526	_exit 0;	587	"silver" => "silvercoin",
527	}	588	"silvercoin" => "silvercoin",
		589	"silvercoins" => "silvercoin",
		590	"gold" => "goldcoin",
		591	"goldcoin" => "goldcoin",
		592	"goldcoins" => "goldcoin",
		593	"platinum" => "platinacoin",
		594	"platinumcoin" => "platinacoin",
		595	"platinumcoins" => "platinacoin",
		596	"platina" => "platinacoin",
		597	"platinacoin" => "platinacoin",
		598	"platinacoins" => "platinacoin",
		599	"royalty" => "royalty",
		600	"royalties" => "royalty",
		601	);
		602
		603	sub coin_from_name($) {
		604	$coin_alias{$_[0]}
		605	? cf::arch::find $coin_alias{$_[0]}
		606	: undef
528	}	607	}
529		608
530	=item $value = cf::db_get $family => $key	609	=item $value = cf::db_get $family => $key
531		610
532	Returns a single value from the environment database.	611	Returns a single value from the environment database.
…		…
534	=item cf::db_put $family => $key => $value	613	=item cf::db_put $family => $key => $value
535		614
536	Stores the given C<$value> in the family. It can currently store binary	615	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).	616	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
538		617
		618	=item $db = cf::db_table "name"
		619
		620	Create and/or open a new database table. The string must not be "db" and must be unique
		621	within each server.
		622
539	=cut	623	=cut
		624
		625	sub db_table($) {
		626	my ($name) = @_;
		627	my $db = BDB::db_create $DB_ENV;
		628
		629	eval {
		630	$db->set_flags (BDB::CHKSUM);
		631
		632	utf8::encode $name;
		633	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		634	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		635	cf::cleanup "db_open(db): $!" if $!;
		636	};
		637	cf::cleanup "db_open(db): $@" if $@;
		638
		639	$db
		640	}
540		641
541	our $DB;	642	our $DB;
542		643
543	sub db_init {	644	sub db_init {
544	unless ($DB) {
545	$DB = BDB::db_create $DB_ENV;
546
547	cf::sync_job {	645	cf::sync_job {
548	eval {	646	$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	}	647	};
558	}	648	}
559		649
560	sub db_get($$) {	650	sub db_get($$) {
561	my $key = "$_[0]/$_[1]";	651	my $key = "$_[0]/$_[1]";
562		652
…		…
612	if (1) {	702	if (1) {
613	$md5 =	703	$md5 =
614	join "\x00",	704	join "\x00",
615	$processversion,	705	$processversion,
616	map {	706	map {
617	Coro::cede;	707	cf::cede_to_tick;
618	($src->[$_], Digest::MD5::md5_hex $data[$_])	708	($src->[$_], Digest::MD5::md5_hex $data[$_])
619	} 0.. $#$src;	709	} 0.. $#$src;
620		710
621		711
622	my $dbmd5 = db_get cache => "$id/md5";	712	my $dbmd5 = db_get cache => "$id/md5";
…		…
660		750
661	#############################################################################	751	#############################################################################
662		752
663	=head2 ATTACHABLE OBJECTS	753	=head2 ATTACHABLE OBJECTS
664		754
665	Many objects in crossfire are so-called attachable objects. That means you can	755	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")	756	attach callbacks/event handlers (a collection of which is called an "attachment")
667	to it. All such attachable objects support the following methods.	757	to it. All such attachable objects support the following methods.
668		758
669	In the following description, CLASS can be any of C<global>, C<object>	759	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	760	C<player>, C<client> or C<map> (i.e. the attachable objects in
671	Crossfire TRT).	761	Deliantra).
672		762
673	=over 4	763	=over 4
674		764
675	=item $attachable->attach ($attachment, key => $value...)	765	=item $attachable->attach ($attachment, key => $value...)
676		766
…		…
720	=item cf::CLASS::attachment $name, ...	810	=item cf::CLASS::attachment $name, ...
721		811
722	Register an attachment by C<$name> through which attachable objects of the	812	Register an attachment by C<$name> through which attachable objects of the
723	given CLASS can refer to this attachment.	813	given CLASS can refer to this attachment.
724		814
725	Some classes such as crossfire maps and objects can specify attachments	815	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.	816	that are attached at load/instantiate time, thus the need for a name.
727		817
728	These calls expect any number of the following handler/hook descriptions:	818	These calls expect any number of the following handler/hook descriptions:
729		819
730	=over 4	820	=over 4
…		…
958	}	1048	}
959		1049
960	0	1050	0
961	}	1051	}
962		1052
963	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1053	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
964		1054
965	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1055	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
966		1056
967	Generate an object-specific event with the given arguments.	1057	Generate an object-specific event with the given arguments.
968		1058
…		…
974		1064
975	=cut	1065	=cut
976		1066
977	#############################################################################	1067	#############################################################################
978	# object support	1068	# object support
979	#
980		1069
		1070	sub _object_equal($$);
		1071	sub _object_equal($$) {
		1072	my ($a, $b) = @_;
		1073
		1074	return 0 unless (ref $a) eq (ref $b);
		1075
		1076	if ("HASH" eq ref $a) {
		1077	my @ka = keys %$a;
		1078	my @kb = keys %$b;
		1079
		1080	return 0 if @ka != @kb;
		1081
		1082	for (0 .. $#ka) {
		1083	return 0 unless $ka[$_] eq $kb[$_];
		1084	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1085	}
		1086
		1087	} elsif ("ARRAY" eq ref $a) {
		1088
		1089	return 0 if @$a != @$b;
		1090
		1091	for (0 .. $#$a) {
		1092	return 0 unless _object_equal $a->[$_], $b->[$_];
		1093	}
		1094
		1095	} elsif ($a ne $b) {
		1096	return 0;
		1097	}
		1098
		1099	1
		1100	}
		1101
		1102	our $SLOW_MERGES;#d#
981	sub _can_merge {	1103	sub _can_merge {
982	my ($ob1, $ob2) = @_;	1104	my ($ob1, $ob2) = @_;
983		1105
984	local $Storable::canonical = 1;	1106	++$SLOW_MERGES;#d#
985	my $fob1 = Storable::freeze $ob1;
986	my $fob2 = Storable::freeze $ob2;
987		1107
988	$fob1 eq $fob2	1108	# we do the slow way here
		1109	return _object_equal $ob1, $ob2
989	}	1110	}
990		1111
991	sub reattach {	1112	sub reattach {
992	# basically do the same as instantiate, without calling instantiate	1113	# basically do the same as instantiate, without calling instantiate
993	my ($obj) = @_;	1114	my ($obj) = @_;
994		1115
		1116	# no longer needed after getting rid of delete_package?
995	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1117	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
996		1118
997	my $registry = $obj->registry;	1119	my $registry = $obj->registry;
998		1120
999	@$registry = ();	1121	@$registry = ();
1000		1122
…		…
1015	cf::attachable->attach (	1137	cf::attachable->attach (
1016	prio => -1000000,	1138	prio => -1000000,
1017	on_instantiate => sub {	1139	on_instantiate => sub {
1018	my ($obj, $data) = @_;	1140	my ($obj, $data) = @_;
1019		1141
1020	$data = from_json $data;	1142	$data = decode_json $data;
1021		1143
1022	for (@$data) {	1144	for (@$data) {
1023	my ($name, $args) = @$_;	1145	my ($name, $args) = @$_;
1024		1146
1025	$obj->attach ($name, %{$args || {} });	1147	$obj->attach ($name, %{$args || {} });
…		…
1041	sub object_freezer_save {	1163	sub object_freezer_save {
1042	my ($filename, $rdata, $objs) = @_;	1164	my ($filename, $rdata, $objs) = @_;
1043		1165
1044	sync_job {	1166	sync_job {
1045	if (length $$rdata) {	1167	if (length $$rdata) {
		1168	utf8::decode (my $decname = $filename);
1046	warn sprintf "saving %s (%d,%d)\n",	1169	warn sprintf "saving %s (%d,%d)\n",
1047	$filename, length $$rdata, scalar @$objs;	1170	$decname, length $$rdata, scalar @$objs;
1048		1171
1049	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1172	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1050	chmod SAVE_MODE, $fh;	1173	aio_chmod $fh, SAVE_MODE;
1051	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1174	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1052	aio_fsync $fh if $cf::USE_FSYNC;	1175	aio_fsync $fh if $cf::USE_FSYNC;
1053	close $fh;	1176	aio_close $fh;
1054		1177
1055	if (@$objs) {	1178	if (@$objs) {
1056	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1179	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1057	chmod SAVE_MODE, $fh;	1180	aio_chmod $fh, SAVE_MODE;
1058	my $data = Storable::nfreeze { version => 1, objs => $objs };	1181	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1059	aio_write $fh, 0, (length $data), $data, 0;	1182	aio_write $fh, 0, (length $data), $data, 0;
1060	aio_fsync $fh if $cf::USE_FSYNC;	1183	aio_fsync $fh if $cf::USE_FSYNC;
1061	close $fh;	1184	aio_close $fh;
1062	aio_rename "$filename.pst~", "$filename.pst";	1185	aio_rename "$filename.pst~", "$filename.pst";
1063	}	1186	}
1064	} else {	1187	} else {
1065	aio_unlink "$filename.pst";	1188	aio_unlink "$filename.pst";
1066	}	1189	}
…		…
1071	}	1194	}
1072	} else {	1195	} else {
1073	aio_unlink $filename;	1196	aio_unlink $filename;
1074	aio_unlink "$filename.pst";	1197	aio_unlink "$filename.pst";
1075	}	1198	}
1076	}	1199	};
1077	}	1200	}
1078		1201
1079	sub object_freezer_as_string {	1202	sub object_freezer_as_string {
1080	my ($rdata, $objs) = @_;	1203	my ($rdata, $objs) = @_;
1081		1204
…		…
1093	or return;	1216	or return;
1094		1217
1095	unless (aio_stat "$filename.pst") {	1218	unless (aio_stat "$filename.pst") {
1096	(aio_load "$filename.pst", $av) >= 0	1219	(aio_load "$filename.pst", $av) >= 0
1097	or return;	1220	or return;
		1221
1098	$av = eval { (Storable::thaw $av)->{objs} };	1222	my $st = eval { Coro::Storable::thaw $av };
		1223	$av = $st->{objs};
1099	}	1224	}
1100		1225
		1226	utf8::decode (my $decname = $filename);
1101	warn sprintf "loading %s (%d)\n",	1227	warn sprintf "loading %s (%d,%d)\n",
1102	$filename, length $data, scalar @{$av || []};	1228	$decname, length $data, scalar @{$av || []};
		1229
1103	return ($data, $av);	1230	($data, $av)
1104	}	1231	}
1105		1232
1106	=head2 COMMAND CALLBACKS	1233	=head2 COMMAND CALLBACKS
1107		1234
1108	=over 4	1235	=over 4
…		…
1186	my ($type, $reply, @payload) =	1313	my ($type, $reply, @payload) =
1187	"ARRAY" eq ref $msg	1314	"ARRAY" eq ref $msg
1188	? @$msg	1315	? @$msg
1189	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	1316	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1190		1317
		1318	my @reply;
		1319
1191	if (my $cb = $EXTCMD{$type}) {	1320	if (my $cb = $EXTCMD{$type}) {
1192	my @reply = $cb->($pl, @payload);	1321	@reply = $cb->($pl, @payload);
1193
1194	$pl->ext_reply ($reply, @reply)
1195	if $reply;
1196	}	1322	}
		1323
		1324	$pl->ext_reply ($reply, @reply)
		1325	if $reply;
		1326
1197	} else {	1327	} else {
1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1328	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1199	}	1329	}
1200		1330
1201	cf::override;	1331	cf::override;
…		…
1228		1358
1229	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1359	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1230	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1360	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1231		1361
1232	$ext{source} =	1362	$ext{source} =
1233	"package $pkg; use strict; use utf8;\n"	1363	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1234	. "#line 1 \"$path\"\n{\n"	1364	. "#line 1 \"$path\"\n{\n"
1235	. $source	1365	. $source
1236	. "\n};\n1";	1366	. "\n};\n1";
1237		1367
1238	$todo{$base} = \%ext;	1368	$todo{$base} = \%ext;
…		…
1254	my $msg = $@ ? "$v->{path}: $@\n"	1384	my $msg = $@ ? "$v->{path}: $@\n"
1255	: "$v->{base}: extension inactive.\n";	1385	: "$v->{base}: extension inactive.\n";
1256		1386
1257	if (exists $v->{meta}{mandatory}) {	1387	if (exists $v->{meta}{mandatory}) {
1258	warn $msg;	1388	warn $msg;
1259	warn "mandatory extension failed to load, exiting.\n";	1389	cf::cleanup "mandatory extension failed to load, exiting.";
1260	exit 1;
1261	}	1390	}
1262		1391
1263	warn $msg;	1392	warn $msg;
1264	}	1393	}
1265		1394
…		…
1279		1408
1280	=back	1409	=back
1281		1410
1282	=head2 CORE EXTENSIONS	1411	=head2 CORE EXTENSIONS
1283		1412
1284	Functions and methods that extend core crossfire objects.	1413	Functions and methods that extend core deliantra objects.
1285		1414
1286	=cut	1415	=cut
1287		1416
1288	package cf::player;	1417	package cf::player;
1289		1418
1290	use Coro::AIO;	1419	use Coro::AIO;
1291		1420
1292	=head3 cf::player	1421	=head3 cf::player
1293		1422
1294	=over 4	1423	=over 4
		1424
		1425	=item cf::player::num_playing
		1426
		1427	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1428
		1429	=cut
		1430
		1431	sub num_playing {
		1432	scalar grep
		1433	$_->ob->map
		1434	&& !$_->hidden
		1435	&& !$_->ob->flag (cf::FLAG_WIZ),
		1436	cf::player::list
		1437	}
1295		1438
1296	=item cf::player::find $login	1439	=item cf::player::find $login
1297		1440
1298	Returns the given player object, loading it if necessary (might block).	1441	Returns the given player object, loading it if necessary (might block).
1299		1442
…		…
1318		1461
1319	sub exists($) {	1462	sub exists($) {
1320	my ($login) = @_;	1463	my ($login) = @_;
1321		1464
1322	$cf::PLAYER{$login}	1465	$cf::PLAYER{$login}
1323	or cf::sync_job { !aio_stat path $login }	1466	or !aio_stat path $login
1324	}	1467	}
1325		1468
1326	sub find($) {	1469	sub find($) {
1327	return $cf::PLAYER{$_[0]} || do {	1470	return $cf::PLAYER{$_[0]} || do {
1328	my $login = $_[0];	1471	my $login = $_[0];
…		…
1335	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1478	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1336	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1479	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1337	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1480	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1338	aio_unlink +(playerdir $login) . "/$login.pl";	1481	aio_unlink +(playerdir $login) . "/$login.pl";
1339		1482
1340	my $pl = load_pl path $login	1483	my $f = new_from_file cf::object::thawer path $login
1341	or return;	1484	or return;
		1485
		1486	my $pl = cf::player::load_pl $f
		1487	or return;
		1488
		1489	local $cf::PLAYER_LOADING{$login} = $pl;
		1490	$f->resolve_delayed_derefs;
1342	$cf::PLAYER{$login} = $pl	1491	$cf::PLAYER{$login} = $pl
1343	}	1492	}
1344	}	1493	}
1345	}	1494	}
1346		1495
…		…
1355	return if $pl->{deny_save};	1504	return if $pl->{deny_save};
1356		1505
1357	aio_mkdir playerdir $pl, 0770;	1506	aio_mkdir playerdir $pl, 0770;
1358	$pl->{last_save} = $cf::RUNTIME;	1507	$pl->{last_save} = $cf::RUNTIME;
1359		1508
		1509	cf::get_slot 0.01;
		1510
1360	$pl->save_pl ($path);	1511	$pl->save_pl ($path);
1361	Coro::cede;	1512	cf::cede_to_tick;
1362	}	1513	}
1363		1514
1364	sub new($) {	1515	sub new($) {
1365	my ($login) = @_;	1516	my ($login) = @_;
1366		1517
…		…
1395	my ($pl) = @_;	1546	my ($pl) = @_;
1396		1547
1397	my $name = $pl->ob->name;	1548	my $name = $pl->ob->name;
1398		1549
1399	$pl->{deny_save} = 1;	1550	$pl->{deny_save} = 1;
1400	$pl->password ("*"); # this should lock out the player until we nuked the dir	1551	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1401		1552
1402	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1553	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1403	$pl->deactivate;	1554	$pl->deactivate;
		1555	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1556	$pl->ob->check_score;
1404	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1557	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1405	$pl->ns->destroy if $pl->ns;	1558	$pl->ns->destroy if $pl->ns;
1406		1559
1407	my $path = playerdir $pl;	1560	my $path = playerdir $pl;
1408	my $temp = "$path~$cf::RUNTIME~deleting~";	1561	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1444	or return [];	1597	or return [];
1445		1598
1446	my @logins;	1599	my @logins;
1447		1600
1448	for my $login (@$dirs) {	1601	for my $login (@$dirs) {
		1602	my $path = path $login;
		1603
		1604	# a .pst is a dead give-away for a valid player
		1605	# if no pst file found, open and chekc for blocked users
		1606	if (aio_stat "$path.pst") {
1449	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1607	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1450	aio_read $fh, 0, 512, my $buf, 0 or next;	1608	aio_read $fh, 0, 512, my $buf, 0 or next;
1451	$buf !~ /^password -------------$/m or next; # official not-valid tag	1609	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1610	}
1452		1611
1453	utf8::decode $login;	1612	utf8::decode $login;
1454	push @logins, $login;	1613	push @logins, $login;
1455	}	1614	}
1456		1615
…		…
1483	}	1642	}
1484		1643
1485	\@paths	1644	\@paths
1486	}	1645	}
1487		1646
1488	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1647	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1489		1648
1490	Expand crossfire pod fragments into protocol xml.	1649	Expand deliantra pod fragments into protocol xml.
1491
1492	=cut
1493
1494	sub expand_cfpod {
1495	((my $self), (local $_)) = @_;
1496
1497	# escape & and <
1498	s/&/&amp;/g;
1499	s/(?<![BIUGH])</&lt;/g;
1500
1501	# this is buggy, it needs to properly take care of nested <'s
1502
1503	1 while
1504	# replace B<>, I<>, U<> etc.
1505	s/B<([^\>]*)>/<b>$1<\/b>/
1506	|| s/I<([^\>]*)>/<i>$1<\/i>/
1507	|| s/U<([^\>]*)>/<u>$1<\/u>/
1508	# replace G<male|female> tags
1509	|| s{G<([^>|]*)\|([^>]*)>}{
1510	$self->gender ? $2 : $1
1511	}ge
1512	# replace H<hint text>
1513	|| s{H<([^\>]*)>}
1514	{
1515	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1516	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1517	"")
1518	[$self->{hintmode}]
1519	}ge;
1520
1521	# create single paragraphs (very hackish)
1522	s/(?<=\S)\n(?=\w)/ /g;
1523
1524	# compress some whitespace
1525	s/\s+\n/\n/g; # ws line-ends
1526	s/\n\n+/\n/g; # double lines
1527	s/^\n+//; # beginning lines
1528	s/\n+$//; # ending lines
1529
1530	$_
1531	}
1532
1533	sub hintmode {
1534	$_[0]{hintmode} = $_[1] if @_ > 1;
1535	$_[0]{hintmode}
1536	}
1537		1650
1538	=item $player->ext_reply ($msgid, @msg)	1651	=item $player->ext_reply ($msgid, @msg)
1539		1652
1540	Sends an ext reply to the player.	1653	Sends an ext reply to the player.
1541		1654
1542	=cut	1655	=cut
1543		1656
1544	sub ext_reply($$@) {	1657	sub ext_reply($$@) {
1545	my ($self, $id, @msg) = @_;	1658	my ($self, $id, @msg) = @_;
1546		1659
1547	if ($self->ns->extcmd == 2) {	1660	$self->ns->ext_reply ($id, @msg)
1548	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1549	} elsif ($self->ns->extcmd == 1) {
1550	#TODO: version 1, remove
1551	unshift @msg, msgtype => "reply", msgid => $id;
1552	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
1553	}
1554	}	1661	}
1555		1662
1556	=item $player->ext_msg ($type, @msg)	1663	=item $player->ext_msg ($type, @msg)
1557		1664
1558	Sends an ext event to the client.	1665	Sends an ext event to the client.
…		…
1614	our $MAX_RESET = 3600;	1721	our $MAX_RESET = 3600;
1615	our $DEFAULT_RESET = 3000;	1722	our $DEFAULT_RESET = 3000;
1616		1723
1617	sub generate_random_map {	1724	sub generate_random_map {
1618	my ($self, $rmp) = @_;	1725	my ($self, $rmp) = @_;
		1726
		1727	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1728
1619	# mit "rum" bekleckern, nicht	1729	# mit "rum" bekleckern, nicht
1620	$self->_create_random_map (	1730	$self->_create_random_map (
1621	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1731	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1622	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1732	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1623	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1733	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1745		1855
1746	# the temporary/swap location	1856	# the temporary/swap location
1747	sub save_path {	1857	sub save_path {
1748	my ($self) = @_;	1858	my ($self) = @_;
1749		1859
1750	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1860	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1751	"$TMPDIR/$path.map"	1861	"$TMPDIR/$path.map"
1752	}	1862	}
1753		1863
1754	# the unique path, undef == no special unique path	1864	# the unique path, undef == no special unique path
1755	sub uniq_path {	1865	sub uniq_path {
1756	my ($self) = @_;	1866	my ($self) = @_;
1757		1867
1758	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1868	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1759	"$UNIQUEDIR/$path"	1869	"$UNIQUEDIR/$path"
1760	}	1870	}
1761		1871
1762	# and all this just because we cannot iterate over	1872	# and all this just because we cannot iterate over
1763	# all maps in C++...	1873	# all maps in C++...
…		…
1786		1896
1787	sub load_header_from($) {	1897	sub load_header_from($) {
1788	my ($self, $path) = @_;	1898	my ($self, $path) = @_;
1789		1899
1790	utf8::encode $path;	1900	utf8::encode $path;
1791	#aio_open $path, O_RDONLY, 0	1901	my $f = new_from_file cf::object::thawer $path
1792	# or return;
1793
1794	$self->_load_header ($path)
1795	or return;	1902	or return;
		1903
		1904	$self->_load_header ($f)
		1905	or return;
		1906
		1907	local $MAP_LOADING{$self->{path}} = $self;
		1908	$f->resolve_delayed_derefs;
1796		1909
1797	$self->{load_path} = $path;	1910	$self->{load_path} = $path;
1798		1911
1799	1	1912	1
1800	}	1913	}
…		…
1854	sub find {	1967	sub find {
1855	my ($path, $origin) = @_;	1968	my ($path, $origin) = @_;
1856		1969
1857	$path = normalise $path, $origin && $origin->path;	1970	$path = normalise $path, $origin && $origin->path;
1858		1971
		1972	cf::lock_wait "map_data:$path";#d#remove
1859	cf::lock_wait "map_find:$path";	1973	cf::lock_wait "map_find:$path";
1860		1974
1861	$cf::MAP{$path} || do {	1975	$cf::MAP{$path} || do {
		1976	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1862	my $guard = cf::lock_acquire "map_find:$path";	1977	my $guard2 = cf::lock_acquire "map_find:$path";
		1978
1863	my $map = new_from_path cf::map $path	1979	my $map = new_from_path cf::map $path
1864	or return;	1980	or return;
1865		1981
1866	$map->{last_save} = $cf::RUNTIME;	1982	$map->{last_save} = $cf::RUNTIME;
1867		1983
…		…
1869	or return;	1985	or return;
1870		1986
1871	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1987	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1872	# doing this can freeze the server in a sync job, obviously	1988	# doing this can freeze the server in a sync job, obviously
1873	#$cf::WAIT_FOR_TICK->wait;	1989	#$cf::WAIT_FOR_TICK->wait;
		1990	undef $guard2;
		1991	undef $guard1;
1874	$map->reset;	1992	$map->reset;
1875	undef $guard;
1876	return find $path;	1993	return find $path;
1877	}	1994	}
1878		1995
1879	$cf::MAP{$path} = $map	1996	$cf::MAP{$path} = $map
1880	}	1997	}
…		…
1889	local $self->{deny_reset} = 1; # loading can take a long time	2006	local $self->{deny_reset} = 1; # loading can take a long time
1890		2007
1891	my $path = $self->{path};	2008	my $path = $self->{path};
1892		2009
1893	{	2010	{
1894	my $guard = cf::lock_acquire "map_load:$path";	2011	my $guard = cf::lock_acquire "map_data:$path";
1895		2012
		2013	return unless $self->valid;
1896	return if $self->in_memory != cf::MAP_SWAPPED;	2014	return unless $self->in_memory == cf::MAP_SWAPPED;
1897		2015
1898	$self->in_memory (cf::MAP_LOADING);	2016	$self->in_memory (cf::MAP_LOADING);
1899		2017
1900	$self->alloc;	2018	$self->alloc;
1901		2019
1902	$self->pre_load;	2020	$self->pre_load;
1903	Coro::cede;	2021	cf::cede_to_tick;
1904		2022
		2023	my $f = new_from_file cf::object::thawer $self->{load_path};
		2024	$f->skip_block;
1905	$self->_load_objects ($self->{load_path}, 1)	2025	$self->_load_objects ($f)
1906	or return;	2026	or return;
1907		2027
1908	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2028	$self->post_load_original
1909	if delete $self->{load_original};	2029	if delete $self->{load_original};
1910		2030
1911	if (my $uniq = $self->uniq_path) {	2031	if (my $uniq = $self->uniq_path) {
1912	utf8::encode $uniq;	2032	utf8::encode $uniq;
1913	if (aio_open $uniq, O_RDONLY, 0) {	2033	unless (aio_stat $uniq) {
		2034	if (my $f = new_from_file cf::object::thawer $uniq) {
1914	$self->clear_unique_items;	2035	$self->clear_unique_items;
1915	$self->_load_objects ($uniq, 0);	2036	$self->_load_objects ($f);
		2037	$f->resolve_delayed_derefs;
		2038	}
1916	}	2039	}
1917	}	2040	}
1918		2041
1919	Coro::cede;	2042	$f->resolve_delayed_derefs;
		2043
		2044	cf::cede_to_tick;
1920	# now do the right thing for maps	2045	# now do the right thing for maps
1921	$self->link_multipart_objects;	2046	$self->link_multipart_objects;
1922	$self->difficulty ($self->estimate_difficulty)	2047	$self->difficulty ($self->estimate_difficulty)
1923	unless $self->difficulty;	2048	unless $self->difficulty;
1924	Coro::cede;	2049	cf::cede_to_tick;
1925		2050
1926	unless ($self->{deny_activate}) {	2051	unless ($self->{deny_activate}) {
1927	$self->decay_objects;	2052	$self->decay_objects;
1928	$self->fix_auto_apply;	2053	$self->fix_auto_apply;
1929	$self->update_buttons;	2054	$self->update_buttons;
1930	Coro::cede;	2055	cf::cede_to_tick;
1931	$self->set_darkness_map;	2056	$self->set_darkness_map;
1932	Coro::cede;	2057	cf::cede_to_tick;
1933	$self->activate;	2058	$self->activate;
1934	}	2059	}
1935		2060
1936	$self->{last_save} = $cf::RUNTIME;	2061	$self->{last_save} = $cf::RUNTIME;
1937	$self->last_access ($cf::RUNTIME);	2062	$self->last_access ($cf::RUNTIME);
1938		2063
1939	$self->in_memory (cf::MAP_IN_MEMORY);	2064	$self->in_memory (cf::MAP_ACTIVE);
1940	}	2065	}
1941		2066
1942	$self->post_load;	2067	$self->post_load;
1943	}	2068	}
1944		2069
…		…
1953		2078
1954	$self	2079	$self
1955	}	2080	}
1956		2081
1957	# find and load all maps in the 3x3 area around a map	2082	# find and load all maps in the 3x3 area around a map
1958	sub load_diag {	2083	sub load_neighbours {
1959	my ($map) = @_;	2084	my ($map) = @_;
1960		2085
1961	my @diag; # diagonal neighbours	2086	my @neigh; # diagonal neighbours
1962		2087
1963	for (0 .. 3) {	2088	for (0 .. 3) {
1964	my $neigh = $map->tile_path ($_)	2089	my $neigh = $map->tile_path ($_)
1965	or next;	2090	or next;
1966	$neigh = find $neigh, $map	2091	$neigh = find $neigh, $map
1967	or next;	2092	or next;
1968	$neigh->load;	2093	$neigh->load;
1969		2094
		2095	push @neigh,
1970	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2096	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1971	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2097	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1972	}	2098	}
1973		2099
1974	for (@diag) {	2100	for (grep defined $_->[0], @neigh) {
		2101	my ($path, $origin) = @$_;
1975	my $neigh = find @$_	2102	my $neigh = find $path, $origin
1976	or next;	2103	or next;
1977	$neigh->load;	2104	$neigh->load;
1978	}	2105	}
1979	}	2106	}
1980		2107
…		…
1985	}	2112	}
1986		2113
1987	sub do_load_sync {	2114	sub do_load_sync {
1988	my ($map) = @_;	2115	my ($map) = @_;
1989		2116
		2117	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2118	if $Coro::current == $Coro::main;
		2119
1990	cf::sync_job { $map->load };	2120	cf::sync_job { $map->load };
1991	}	2121	}
1992		2122
1993	our %MAP_PREFETCH;	2123	our %MAP_PREFETCH;
1994	our $MAP_PREFETCHER = undef;	2124	our $MAP_PREFETCHER = undef;
1995		2125
1996	sub find_async {	2126	sub find_async {
1997	my ($path, $origin) = @_;	2127	my ($path, $origin, $load) = @_;
1998		2128
1999	$path = normalise $path, $origin && $origin->{path};	2129	$path = normalise $path, $origin && $origin->{path};
2000		2130
2001	if (my $map = $cf::MAP{$path}) {	2131	if (my $map = $cf::MAP{$path}) {
2002	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2132	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2003	}	2133	}
2004		2134
2005	undef $MAP_PREFETCH{$path};	2135	$MAP_PREFETCH{$path} |= $load;
		2136
2006	$MAP_PREFETCHER ||= cf::async {	2137	$MAP_PREFETCHER ||= cf::async {
		2138	$Coro::current->{desc} = "map prefetcher";
		2139
2007	while (%MAP_PREFETCH) {	2140	while (%MAP_PREFETCH) {
2008	for my $path (keys %MAP_PREFETCH) {	2141	while (my ($k, $v) = each %MAP_PREFETCH) {
2009	if (my $map = find $path) {	2142	if (my $map = find $k) {
2010	$map->load;	2143	$map->load if $v;
2011	}	2144	}
2012		2145
2013	delete $MAP_PREFETCH{$path};	2146	delete $MAP_PREFETCH{$k};
2014	}	2147	}
2015	}	2148	}
2016	undef $MAP_PREFETCHER;	2149	undef $MAP_PREFETCHER;
2017	};	2150	};
2018	$MAP_PREFETCHER->prio (6);	2151	$MAP_PREFETCHER->prio (6);
…		…
2021	}	2154	}
2022		2155
2023	sub save {	2156	sub save {
2024	my ($self) = @_;	2157	my ($self) = @_;
2025		2158
2026	my $lock = cf::lock_acquire "map_data:" . $self->path;	2159	my $lock = cf::lock_acquire "map_data:$self->{path}";
2027		2160
2028	$self->{last_save} = $cf::RUNTIME;	2161	$self->{last_save} = $cf::RUNTIME;
2029		2162
2030	return unless $self->dirty;	2163	return unless $self->dirty;
2031		2164
…		…
2037	return if $self->{deny_save};	2170	return if $self->{deny_save};
2038		2171
2039	local $self->{last_access} = $self->last_access;#d#	2172	local $self->{last_access} = $self->last_access;#d#
2040		2173
2041	cf::async {	2174	cf::async {
		2175	$Coro::current->{desc} = "map player save";
2042	$_->contr->save for $self->players;	2176	$_->contr->save for $self->players;
2043	};	2177	};
		2178
		2179	cf::get_slot 0.02;
2044		2180
2045	if ($uniq) {	2181	if ($uniq) {
2046	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2182	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2047	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2183	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2048	} else {	2184	} else {
…		…
2054	my ($self) = @_;	2190	my ($self) = @_;
2055		2191
2056	# save first because save cedes	2192	# save first because save cedes
2057	$self->save;	2193	$self->save;
2058		2194
2059	my $lock = cf::lock_acquire "map_data:" . $self->path;	2195	my $lock = cf::lock_acquire "map_data:$self->{path}";
2060		2196
2061	return if $self->players;	2197	return if $self->players;
2062	return if $self->in_memory != cf::MAP_IN_MEMORY;	2198	return if $self->in_memory != cf::MAP_ACTIVE;
2063	return if $self->{deny_save};	2199	return if $self->{deny_save};
2064		2200
		2201	$self->in_memory (cf::MAP_SWAPPED);
		2202
		2203	$self->deactivate;
		2204	$_->clear_links_to ($self) for values %cf::MAP;
2065	$self->clear;	2205	$self->clear;
2066	$self->in_memory (cf::MAP_SWAPPED);
2067	}	2206	}
2068		2207
2069	sub reset_at {	2208	sub reset_at {
2070	my ($self) = @_;	2209	my ($self) = @_;
2071		2210
…		…
2103	if $uniq;	2242	if $uniq;
2104	}	2243	}
2105		2244
2106	delete $cf::MAP{$self->path};	2245	delete $cf::MAP{$self->path};
2107		2246
		2247	$self->deactivate;
		2248	$_->clear_links_to ($self) for values %cf::MAP;
2108	$self->clear;	2249	$self->clear;
2109
2110	$_->clear_links_to ($self) for values %cf::MAP;
2111		2250
2112	$self->unlink_save;	2251	$self->unlink_save;
2113	$self->destroy;	2252	$self->destroy;
2114	}	2253	}
2115		2254
2116	my $nuke_counter = "aaaa";	2255	my $nuke_counter = "aaaa";
2117		2256
2118	sub nuke {	2257	sub nuke {
2119	my ($self) = @_;	2258	my ($self) = @_;
2120		2259
		2260	{
		2261	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2262
2121	delete $cf::MAP{$self->path};	2263	delete $cf::MAP{$self->path};
2122		2264
2123	$self->unlink_save;	2265	$self->unlink_save;
2124		2266
2125	bless $self, "cf::map";	2267	bless $self, "cf::map";
2126	delete $self->{deny_reset};	2268	delete $self->{deny_reset};
2127	$self->{deny_save} = 1;	2269	$self->{deny_save} = 1;
2128	$self->reset_timeout (1);	2270	$self->reset_timeout (1);
2129	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2271	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2130		2272
2131	$cf::MAP{$self->path} = $self;	2273	$cf::MAP{$self->path} = $self;
		2274	}
2132		2275
2133	$self->reset; # polite request, might not happen	2276	$self->reset; # polite request, might not happen
2134	}	2277	}
2135		2278
2136	=item $maps = cf::map::tmp_maps	2279	=item $maps = cf::map::tmp_maps
…		…
2178		2321
2179	sub unique_maps() {	2322	sub unique_maps() {
2180	[	2323	[
2181	map {	2324	map {
2182	utf8::decode $_;	2325	utf8::decode $_;
2183	/\.map$/	2326	s/\.map$//; # TODO future compatibility hack
		2327	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2328	? ()
2184	? normalise $_	2329	: normalise $_
2185	: ()
2186	} @{ aio_readdir $UNIQUEDIR or [] }	2330	} @{ aio_readdir $UNIQUEDIR or [] }
2187	]	2331	]
2188	}	2332	}
2189		2333
2190	package cf;
2191
2192	=back	2334	=back
2193		2335
2194	=head3 cf::object	2336	=head3 cf::object
2195		2337
2196	=cut	2338	=cut
…		…
2199		2341
2200	=over 4	2342	=over 4
2201		2343
2202	=item $ob->inv_recursive	2344	=item $ob->inv_recursive
2203		2345
2204	Returns the inventory of the object _and_ their inventories, recursively.	2346	Returns the inventory of the object I<and> their inventories, recursively,
		2347	but I<not> the object itself.
2205		2348
2206	=cut	2349	=cut
2207		2350
2208	sub inv_recursive_;	2351	sub inv_recursive_;
2209	sub inv_recursive_ {	2352	sub inv_recursive_ {
…		…
2212		2355
2213	sub inv_recursive {	2356	sub inv_recursive {
2214	inv_recursive_ inv $_[0]	2357	inv_recursive_ inv $_[0]
2215	}	2358	}
2216		2359
		2360	=item $ref = $ob->ref
		2361
		2362	Creates and returns a persistent reference to an object that can be stored as a string.
		2363
		2364	=item $ob = cf::object::deref ($refstring)
		2365
		2366	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2367	even if the object actually exists. May block.
		2368
		2369	=cut
		2370
		2371	sub deref {
		2372	my ($ref) = @_;
		2373
		2374	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2375	my ($uuid, $name) = ($1, $2);
		2376	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2377	or return;
		2378	$pl->ob->uuid eq $uuid
		2379	or return;
		2380
		2381	$pl->ob
		2382	} else {
		2383	warn "$ref: cannot resolve object reference\n";
		2384	undef
		2385	}
		2386	}
		2387
2217	package cf;	2388	package cf;
2218		2389
2219	=back	2390	=back
2220		2391
2221	=head3 cf::object::player	2392	=head3 cf::object::player
…		…
2227	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2398	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2228	can be C<undef>. Does the right thing when the player is currently in a	2399	can be C<undef>. Does the right thing when the player is currently in a
2229	dialogue with the given NPC character.	2400	dialogue with the given NPC character.
2230		2401
2231	=cut	2402	=cut
		2403
		2404	our $SAY_CHANNEL = {
		2405	id => "say",
		2406	title => "Map",
		2407	reply => "say ",
		2408	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2409	};
		2410
		2411	our $CHAT_CHANNEL = {
		2412	id => "chat",
		2413	title => "Chat",
		2414	reply => "chat ",
		2415	tooltip => "Player chat and shouts, global to the server.",
		2416	};
2232		2417
2233	# rough implementation of a future "reply" method that works	2418	# rough implementation of a future "reply" method that works
2234	# with dialog boxes.	2419	# with dialog boxes.
2235	#TODO: the first argument must go, split into a $npc->reply_to ( method	2420	#TODO: the first argument must go, split into a $npc->reply_to ( method
2236	sub cf::object::player::reply($$$;$) {	2421	sub cf::object::player::reply($$$;$) {
…		…
2248	my $dialog = $pl->{npc_dialog};	2433	my $dialog = $pl->{npc_dialog};
2249	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2434	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2250		2435
2251	} else {	2436	} else {
2252	$msg = $npc->name . " says: $msg" if $npc;	2437	$msg = $npc->name . " says: $msg" if $npc;
2253	$self->message ($msg, $flags);	2438	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2254	}	2439	}
2255	}	2440	}
2256	}	2441	}
2257		2442
2258	=item $object->send_msg ($channel, $msg, $color, [extra...])	2443	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2283		2468
2284	=item $player_object->enter_link	2469	=item $player_object->enter_link
2285		2470
2286	Freezes the player and moves him/her to a special map (C<{link}>).	2471	Freezes the player and moves him/her to a special map (C<{link}>).
2287		2472
2288	The player should be reasonably safe there for short amounts of time. You	2473	The player should be reasonably safe there for short amounts of time (e.g.
2289	I<MUST> call C<leave_link> as soon as possible, though.	2474	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2475	though, as the palyer cannot control the character while it is on the link
		2476	map.
2290		2477
2291	Will never block.	2478	Will never block.
2292		2479
2293	=item $player_object->leave_link ($map, $x, $y)	2480	=item $player_object->leave_link ($map, $x, $y)
2294		2481
…		…
2349	# use -1 or undef as default coordinates, not 0, 0	2536	# use -1 or undef as default coordinates, not 0, 0
2350	($x, $y) = ($map->enter_x, $map->enter_y)	2537	($x, $y) = ($map->enter_x, $map->enter_y)
2351	if $x <=0 && $y <= 0;	2538	if $x <=0 && $y <= 0;
2352		2539
2353	$map->load;	2540	$map->load;
2354	$map->load_diag;	2541	$map->load_neighbours;
2355		2542
2356	return unless $self->contr->active;	2543	return unless $self->contr->active;
		2544	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2357	$self->activate_recursive;	2545	$self->activate_recursive;
2358		2546
2359	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2547	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2360	$self->enter_map ($map, $x, $y);	2548	$self->enter_map ($map, $x, $y);
2361	}	2549	}
…		…
2366	her, loading and preparing them map, calling the provided $check callback	2554	her, loading and preparing them map, calling the provided $check callback
2367	that has to return the map if sucecssful, and then unfreezes the player on	2555	that has to return the map if sucecssful, and then unfreezes the player on
2368	the new (success) or old (failed) map position. In either case, $done will	2556	the new (success) or old (failed) map position. In either case, $done will
2369	be called at the end of this process.	2557	be called at the end of this process.
2370		2558
		2559	Note that $check will be called with a potentially non-loaded map, so if
		2560	it needs a loaded map it has to call C<< ->load >>.
		2561
2371	=cut	2562	=cut
2372		2563
2373	our $GOTOGEN;	2564	our $GOTOGEN;
2374		2565
2375	sub cf::object::player::goto {	2566	sub cf::object::player::goto {
…		…
2379	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2570	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2380		2571
2381	$self->enter_link;	2572	$self->enter_link;
2382		2573
2383	(async {	2574	(async {
		2575	$Coro::current->{desc} = "player::goto $path $x $y";
		2576
		2577	# *tag paths override both path and x|y
		2578	if ($path =~ /^\*(.*)$/) {
		2579	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2580	my $ob = $obs[rand @obs];
		2581
		2582	# see if we actually can go there
		2583	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2584	$ob = $obs[rand @obs];
		2585	} else {
		2586	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2587	}
		2588	# else put us there anyways for now #d#
		2589
		2590	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2591	} else {
		2592	($path, $x, $y) = (undef, undef, undef);
		2593	}
		2594	}
		2595
2384	my $map = eval {	2596	my $map = eval {
2385	my $map = cf::map::find $path;	2597	my $map = defined $path ? cf::map::find $path : undef;
2386		2598
2387	if ($map) {	2599	if ($map) {
2388	$map = $map->customise_for ($self);	2600	$map = $map->customise_for ($self);
2389	$map = $check->($map) if $check && $map;	2601	$map = $check->($map) if $check && $map;
2390	} else {	2602	} else {
2391	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2603	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2392	}	2604	}
2393		2605
2394	$map	2606	$map
2395	};	2607	};
2396		2608
…		…
2432	}	2644	}
2433		2645
2434	sub prepare_random_map {	2646	sub prepare_random_map {
2435	my ($exit) = @_;	2647	my ($exit) = @_;
2436		2648
2437	my $guard = cf::lock_acquire "exit_prepare:$exit";
2438
2439	# all this does is basically replace the /! path by	2649	# all this does is basically replace the /! path by
2440	# a new random map path (?random/...) with a seed	2650	# a new random map path (?random/...) with a seed
2441	# that depends on the exit object	2651	# that depends on the exit object
2442		2652
2443	my $rmp = parse_random_map_params $exit->msg;	2653	my $rmp = parse_random_map_params $exit->msg;
…		…
2445	if ($exit->map) {	2655	if ($exit->map) {
2446	$rmp->{region} = $exit->region->name;	2656	$rmp->{region} = $exit->region->name;
2447	$rmp->{origin_map} = $exit->map->path;	2657	$rmp->{origin_map} = $exit->map->path;
2448	$rmp->{origin_x} = $exit->x;	2658	$rmp->{origin_x} = $exit->x;
2449	$rmp->{origin_y} = $exit->y;	2659	$rmp->{origin_y} = $exit->y;
		2660
		2661	$exit->map->touch;
2450	}	2662	}
2451		2663
2452	$rmp->{random_seed} ||= $exit->random_seed;	2664	$rmp->{random_seed} ||= $exit->random_seed;
2453		2665
2454	my $data = cf::to_json $rmp;	2666	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2455	my $md5 = Digest::MD5::md5_hex $data;	2667	my $md5 = Digest::MD5::md5_hex $data;
2456	my $meta = "$RANDOMDIR/$md5.meta";	2668	my $meta = "$RANDOMDIR/$md5.meta";
2457		2669
2458	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2670	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2459	aio_write $fh, 0, (length $data), $data, 0;	2671	aio_write $fh, 0, (length $data), $data, 0;
2460	undef $fh;	2672	undef $fh;
2461	aio_rename "$meta~", $meta;	2673	aio_rename "$meta~", $meta;
2462		2674
		2675	my $slaying = "?random/$md5";
		2676
		2677	if ($exit->valid) {
2463	$exit->slaying ("?random/$md5");	2678	$exit->slaying ("?random/$md5");
2464	$exit->msg (undef);	2679	$exit->msg (undef);
		2680	}
2465	}	2681	}
2466	}	2682	}
2467		2683
2468	sub cf::object::player::enter_exit {	2684	sub cf::object::player::enter_exit {
2469	my ($self, $exit) = @_;	2685	my ($self, $exit) = @_;
2470		2686
2471	return unless $self->type == cf::PLAYER;	2687	return unless $self->type == cf::PLAYER;
2472		2688
2473	if ($exit->slaying eq "/!") {
2474	#TODO: this should de-fi-ni-te-ly not be a sync-job
2475	# the problem is that $exit might not survive long enough
2476	# so it needs to be done right now, right here
2477	cf::sync_job { prepare_random_map $exit };
2478	}
2479
2480	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2481	my $hp = $exit->stats->hp;
2482	my $sp = $exit->stats->sp;
2483
2484	$self->enter_link;	2689	$self->enter_link;
2485		2690
2486	# if exit is damned, update players death & WoR home-position
2487	$self->contr->savebed ($slaying, $hp, $sp)
2488	if $exit->flag (FLAG_DAMNED);
2489
2490	(async {	2691	(async {
2491	$self->deactivate_recursive; # just to be sure	2692	$Coro::current->{desc} = "enter_exit";
		2693
2492	unless (eval {	2694	unless (eval {
		2695	$self->deactivate_recursive; # just to be sure
		2696
		2697	# random map handling
		2698	{
		2699	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2700
		2701	prepare_random_map $exit
		2702	if $exit->slaying eq "/!";
		2703	}
		2704
		2705	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2706	my $x = $exit->stats->hp;
		2707	my $y = $exit->stats->sp;
		2708
2493	$self->goto ($slaying, $hp, $sp);	2709	$self->goto ($map, $x, $y);
2494		2710
		2711	# if exit is damned, update players death & WoR home-position
		2712	$self->contr->savebed ($map, $x, $y)
		2713	if $exit->flag (cf::FLAG_DAMNED);
		2714
2495	1;	2715	1
2496	}) {	2716	}) {
2497	$self->message ("Something went wrong deep within the crossfire server. "	2717	$self->message ("Something went wrong deep within the deliantra server. "
2498	. "I'll try to bring you back to the map you were before. "	2718	. "I'll try to bring you back to the map you were before. "
2499	. "Please report this to the dungeon master!",	2719	. "Please report this to the dungeon master!",
2500	cf::NDI_UNIQUE | cf::NDI_RED);	2720	cf::NDI_UNIQUE | cf::NDI_RED);
2501		2721
2502	warn "ERROR in enter_exit: $@";	2722	warn "ERROR in enter_exit: $@";
…		…
2530	the message, with C<log> being the default. If C<$color> is negative, suppress	2750	the message, with C<log> being the default. If C<$color> is negative, suppress
2531	the message unless the client supports the msg packet.	2751	the message unless the client supports the msg packet.
2532		2752
2533	=cut	2753	=cut
2534		2754
		2755	# non-persistent channels (usually the info channel)
		2756	our %CHANNEL = (
		2757	"c/identify" => {
		2758	id => "infobox",
		2759	title => "Identify",
		2760	reply => undef,
		2761	tooltip => "Items recently identified",
		2762	},
		2763	"c/examine" => {
		2764	id => "infobox",
		2765	title => "Examine",
		2766	reply => undef,
		2767	tooltip => "Signs and other items you examined",
		2768	},
		2769	"c/book" => {
		2770	id => "infobox",
		2771	title => "Book",
		2772	reply => undef,
		2773	tooltip => "The contents of a note or book",
		2774	},
		2775	"c/lookat" => {
		2776	id => "infobox",
		2777	title => "Look",
		2778	reply => undef,
		2779	tooltip => "What you saw there",
		2780	},
		2781	"c/who" => {
		2782	id => "infobox",
		2783	title => "Players",
		2784	reply => undef,
		2785	tooltip => "Shows players who are currently online",
		2786	},
		2787	"c/body" => {
		2788	id => "infobox",
		2789	title => "Body Parts",
		2790	reply => undef,
		2791	tooltip => "Shows which body parts you posess and are available",
		2792	},
		2793	"c/skills" => {
		2794	id => "infobox",
		2795	title => "Skills",
		2796	reply => undef,
		2797	tooltip => "Shows your experience per skill and item power",
		2798	},
		2799	"c/uptime" => {
		2800	id => "infobox",
		2801	title => "Uptime",
		2802	reply => undef,
		2803	tooltip => "How long the server has been running since last restart",
		2804	},
		2805	"c/mapinfo" => {
		2806	id => "infobox",
		2807	title => "Map Info",
		2808	reply => undef,
		2809	tooltip => "Information related to the maps",
		2810	},
		2811	"c/party" => {
		2812	id => "party",
		2813	title => "Party",
		2814	reply => "gsay ",
		2815	tooltip => "Messages and chat related to your party",
		2816	},
		2817	);
		2818
2535	sub cf::client::send_msg {	2819	sub cf::client::send_msg {
2536	my ($self, $channel, $msg, $color, @extra) = @_;	2820	my ($self, $channel, $msg, $color, @extra) = @_;
2537		2821
2538	$msg = $self->pl->expand_cfpod ($msg);	2822	$msg = $self->pl->expand_cfpod ($msg)
		2823	unless $color & cf::NDI_VERBATIM;
2539		2824
2540	$color &= cf::NDI_CLIENT_MASK; # just in case...	2825	$color &= cf::NDI_CLIENT_MASK; # just in case...
2541		2826
		2827	# check predefined channels, for the benefit of C
		2828	if ($CHANNEL{$channel}) {
		2829	$channel = $CHANNEL{$channel};
		2830
		2831	$self->ext_msg (channel_info => $channel)
		2832	if $self->can_msg;
		2833
		2834	$channel = $channel->{id};
		2835
2542	if (ref $channel) {	2836	} elsif (ref $channel) {
2543	# send meta info to client, if not yet sent	2837	# send meta info to client, if not yet sent
2544	unless (exists $self->{channel}{$channel->{id}}) {	2838	unless (exists $self->{channel}{$channel->{id}}) {
2545	$self->{channel}{$channel->{id}} = $channel;	2839	$self->{channel}{$channel->{id}} = $channel;
2546	$self->ext_msg (channel_info => $channel);	2840	$self->ext_msg (channel_info => $channel)
		2841	if $self->can_msg;
2547	}	2842	}
2548		2843
2549	$channel = $channel->{id};	2844	$channel = $channel->{id};
2550	}	2845	}
2551		2846
…		…
2554	if ($self->can_msg) {	2849	if ($self->can_msg) {
2555	# default colour, mask it out	2850	# default colour, mask it out
2556	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2851	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2557	if $color & cf::NDI_DEF;	2852	if $color & cf::NDI_DEF;
2558		2853
2559	$self->send_packet ("msg " . $self->{json_coder}->encode (	2854	my $pkt = "msg "
		2855	. $self->{json_coder}->encode (
2560	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2856	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2857	);
		2858
		2859	# try lzf for large packets
		2860	$pkt = "lzf " . Compress::LZF::compress $pkt
		2861	if 1024 <= length $pkt and $self->{can_lzf};
		2862
		2863	# split very large packets
		2864	if (8192 < length $pkt and $self->{can_lzf}) {
		2865	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2866	$pkt = "frag";
		2867	}
		2868
		2869	$self->send_packet ($pkt);
2561	} else {	2870	} else {
2562	if ($color >= 0) {	2871	if ($color >= 0) {
2563	# replace some tags by gcfclient-compatible ones	2872	# replace some tags by gcfclient-compatible ones
2564	for ($msg) {	2873	for ($msg) {
2565	1 while	2874	1 while
…		…
2573	$color &= cf::NDI_COLOR_MASK;	2882	$color &= cf::NDI_COLOR_MASK;
2574		2883
2575	utf8::encode $msg;	2884	utf8::encode $msg;
2576		2885
2577	if (0 && $msg =~ /\[/) {	2886	if (0 && $msg =~ /\[/) {
		2887	# COMMAND/INFO
2578	$self->send_packet ("drawextinfo $color 4 0 $msg")	2888	$self->send_packet ("drawextinfo $color 10 8 $msg")
2579	} else {	2889	} else {
2580	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	2890	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2581	$self->send_packet ("drawinfo $color $msg")	2891	$self->send_packet ("drawinfo $color $msg")
2582	}	2892	}
2583	}	2893	}
…		…
2591	=cut	2901	=cut
2592		2902
2593	sub cf::client::ext_msg($$@) {	2903	sub cf::client::ext_msg($$@) {
2594	my ($self, $type, @msg) = @_;	2904	my ($self, $type, @msg) = @_;
2595		2905
2596	my $extcmd = $self->extcmd;
2597
2598	if ($extcmd == 2) {	2906	if ($self->extcmd == 2) {
2599	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	2907	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2600	} elsif ($extcmd == 1) { # TODO: remove	2908	} elsif ($self->extcmd == 1) { # TODO: remove
2601	push @msg, msgtype => "event_$type";	2909	push @msg, msgtype => "event_$type";
		2910	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2911	}
		2912	}
		2913
		2914	=item $client->ext_reply ($msgid, @msg)
		2915
		2916	Sends an ext reply to the client.
		2917
		2918	=cut
		2919
		2920	sub cf::client::ext_reply($$@) {
		2921	my ($self, $id, @msg) = @_;
		2922
		2923	if ($self->extcmd == 2) {
		2924	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2925	} elsif ($self->extcmd == 1) {
		2926	#TODO: version 1, remove
		2927	unshift @msg, msgtype => "reply", msgid => $id;
2602	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	2928	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2603	}	2929	}
2604	}	2930	}
2605		2931
2606	=item $success = $client->query ($flags, "text", \&cb)	2932	=item $success = $client->query ($flags, "text", \&cb)
…		…
2668	my ($type, $reply, @payload) =	2994	my ($type, $reply, @payload) =
2669	"ARRAY" eq ref $msg	2995	"ARRAY" eq ref $msg
2670	? @$msg	2996	? @$msg
2671	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	2997	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2672		2998
		2999	my @reply;
		3000
2673	if (my $cb = $EXTICMD{$type}) {	3001	if (my $cb = $EXTICMD{$type}) {
2674	my @reply = $cb->($ns, @payload);	3002	@reply = $cb->($ns, @payload);
2675
2676	$ns->ext_reply ($reply, @reply)
2677	if $reply;
2678	}	3003	}
		3004
		3005	$ns->ext_reply ($reply, @reply)
		3006	if $reply;
		3007
2679	} else {	3008	} else {
2680	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3009	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2681	}	3010	}
2682		3011
2683	cf::override;	3012	cf::override;
…		…
2743	=pod	3072	=pod
2744		3073
2745	The following functions and methods are available within a safe environment:	3074	The following functions and methods are available within a safe environment:
2746		3075
2747	cf::object	3076	cf::object
2748	contr pay_amount pay_player map x y force_find force_add	3077	contr pay_amount pay_player map x y force_find force_add destroy
2749	insert remove	3078	insert remove name archname title slaying race decrease split
2750		3079
2751	cf::object::player	3080	cf::object::player
2752	player	3081	player
2753		3082
2754	cf::player	3083	cf::player
…		…
2759		3088
2760	=cut	3089	=cut
2761		3090
2762	for (	3091	for (
2763	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3092	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2764	insert remove inv)],	3093	insert remove inv nrof name archname title slaying race
		3094	decrease split destroy change_exp)],
2765	["cf::object::player" => qw(player)],	3095	["cf::object::player" => qw(player)],
2766	["cf::player" => qw(peaceful)],	3096	["cf::player" => qw(peaceful)],
2767	["cf::map" => qw(trigger)],	3097	["cf::map" => qw(trigger)],
2768	) {	3098	) {
2769	no strict 'refs';	3099	no strict 'refs';
…		…
2845	# the server's init and main functions	3175	# the server's init and main functions
2846		3176
2847	sub load_facedata($) {	3177	sub load_facedata($) {
2848	my ($path) = @_;	3178	my ($path) = @_;
2849		3179
		3180	# HACK to clear player env face cache, we need some signal framework
		3181	# for this (global event?)
		3182	%ext::player_env::MUSIC_FACE_CACHE = ();
		3183
		3184	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3185
2850	warn "loading facedata from $path\n";	3186	warn "loading facedata from $path\n";
2851		3187
2852	my $facedata;	3188	my $facedata;
2853	0 < aio_load $path, $facedata	3189	0 < aio_load $path, $facedata
2854	or die "$path: $!";	3190	or die "$path: $!";
…		…
2856	$facedata = Coro::Storable::thaw $facedata;	3192	$facedata = Coro::Storable::thaw $facedata;
2857		3193
2858	$facedata->{version} == 2	3194	$facedata->{version} == 2
2859	or cf::cleanup "$path: version mismatch, cannot proceed.";	3195	or cf::cleanup "$path: version mismatch, cannot proceed.";
2860		3196
		3197	# patch in the exptable
		3198	$facedata->{resource}{"res/exp_table"} = {
		3199	type => FT_RSRC,
		3200	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3201	};
		3202	cf::cede_to_tick;
		3203
2861	{	3204	{
2862	my $faces = $facedata->{faceinfo};	3205	my $faces = $facedata->{faceinfo};
2863		3206
2864	while (my ($face, $info) = each %$faces) {	3207	while (my ($face, $info) = each %$faces) {
2865	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3208	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3209
2866	cf::face::set_visibility $idx, $info->{visibility};	3210	cf::face::set_visibility $idx, $info->{visibility};
2867	cf::face::set_magicmap $idx, $info->{magicmap};	3211	cf::face::set_magicmap $idx, $info->{magicmap};
2868	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3212	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2869	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3213	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2870		3214
2871	cf::cede_to_tick;	3215	cf::cede_to_tick;
2872	}	3216	}
2873		3217
2874	while (my ($face, $info) = each %$faces) {	3218	while (my ($face, $info) = each %$faces) {
2875	next unless $info->{smooth};	3219	next unless $info->{smooth};
		3220
2876	my $idx = cf::face::find $face	3221	my $idx = cf::face::find $face
2877	or next;	3222	or next;
		3223
2878	if (my $smooth = cf::face::find $info->{smooth}) {	3224	if (my $smooth = cf::face::find $info->{smooth}) {
2879	cf::face::set_smooth $idx, $smooth;	3225	cf::face::set_smooth $idx, $smooth;
2880	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3226	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2881	} else {	3227	} else {
2882	warn "smooth face '$info->{smooth}' not found for face '$face'";	3228	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2899		3245
2900	{	3246	{
2901	# TODO: for gcfclient pleasure, we should give resources	3247	# TODO: for gcfclient pleasure, we should give resources
2902	# that gcfclient doesn't grok a >10000 face index.	3248	# that gcfclient doesn't grok a >10000 face index.
2903	my $res = $facedata->{resource};	3249	my $res = $facedata->{resource};
2904	my $enc = JSON::XS->new->utf8->canonical;
2905
2906	my $soundconf = delete $res->{"res/sound.conf"};
2907		3250
2908	while (my ($name, $info) = each %$res) {	3251	while (my ($name, $info) = each %$res) {
2909	my $meta = $enc->encode ({	3252	if (defined $info->{type}) {
2910	name => $name,
2911	%{ $info->{meta} || {} },
2912	});
2913
2914	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3253	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3254	my $data;
2915		3255
2916	if ($info->{type} & 1) {	3256	if ($info->{type} & 1) {
2917	# prepend meta info	3257	# prepend meta info
2918		3258
		3259	my $meta = $enc->encode ({
		3260	name => $name,
		3261	%{ $info->{meta} || {} },
		3262	});
		3263
2919	my $data = pack "(w/a*)*", $meta, $info->{data};	3264	$data = pack "(w/a*)*", $meta, $info->{data};
2920	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata	3265	} else {
		3266	$data = $info->{data};
		3267	}
2921		3268
2922	cf::face::set_data $idx, 0, $data, $chk;	3269	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3270	cf::face::set_type $idx, $info->{type};
2923	} else {	3271	} else {
2924	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};	3272	$RESOURCE{$name} = $info;
2925	}	3273	}
2926		3274
2927	cf::face::set_type $idx, $info->{type};
2928
2929	cf::cede_to_tick;	3275	cf::cede_to_tick;
2930	}	3276	}
2931
2932	if ($soundconf) {
2933	$soundconf = $enc->decode (delete $soundconf->{data});
2934
2935	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2936	my $sound = $soundconf->{compat}[$_]
2937	or next;
2938
2939	my $face = cf::face::find "sound/$sound->[1]";
2940	cf::sound::set $sound->[0] => $face;
2941	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2942	}
2943
2944	while (my ($k, $v) = each %{$soundconf->{event}}) {
2945	my $face = cf::face::find "sound/$v";
2946	cf::sound::set $k => $face;
2947	}
2948	}
2949	}	3277	}
		3278
		3279	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2950		3280
2951	1	3281	1
2952	}	3282	}
		3283
		3284	cf::global->attach (on_resource_update => sub {
		3285	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3286	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3287
		3288	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3289	my $sound = $soundconf->{compat}[$_]
		3290	or next;
		3291
		3292	my $face = cf::face::find "sound/$sound->[1]";
		3293	cf::sound::set $sound->[0] => $face;
		3294	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3295	}
		3296
		3297	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3298	my $face = cf::face::find "sound/$v";
		3299	cf::sound::set $k => $face;
		3300	}
		3301	}
		3302	});
2953		3303
2954	register_exticmd fx_want => sub {	3304	register_exticmd fx_want => sub {
2955	my ($ns, $want) = @_;	3305	my ($ns, $want) = @_;
2956		3306
2957	while (my ($k, $v) = each %$want) {	3307	while (my ($k, $v) = each %$want) {
2958	$ns->fx_want ($k, $v);	3308	$ns->fx_want ($k, $v);
2959	}	3309	}
2960	};	3310	};
2961		3311
		3312	sub load_resource_file($) {
		3313	my $guard = lock_acquire "load_resource_file";
		3314
		3315	my $status = load_resource_file_ $_[0];
		3316	get_slot 0.1, 100;
		3317	cf::arch::commit_load;
		3318
		3319	$status
		3320	}
		3321
2962	sub reload_regions {	3322	sub reload_regions {
		3323	# HACK to clear player env face cache, we need some signal framework
		3324	# for this (global event?)
		3325	%ext::player_env::MUSIC_FACE_CACHE = ();
		3326
2963	load_resource_file "$MAPDIR/regions"	3327	load_resource_file "$MAPDIR/regions"
2964	or die "unable to load regions file\n";	3328	or die "unable to load regions file\n";
2965		3329
2966	for (cf::region::list) {	3330	for (cf::region::list) {
2967	$_->{match} = qr/$_->{match}/	3331	$_->{match} = qr/$_->{match}/
…		…
2975	}	3339	}
2976		3340
2977	sub reload_archetypes {	3341	sub reload_archetypes {
2978	load_resource_file "$DATADIR/archetypes"	3342	load_resource_file "$DATADIR/archetypes"
2979	or die "unable to load archetypes\n";	3343	or die "unable to load archetypes\n";
2980	#d# NEED to laod twice to resolve forward references
2981	# this really needs to be done in an extra post-pass
2982	# (which needs to be synchronous, so solve it differently)
2983	load_resource_file "$DATADIR/archetypes"
2984	or die "unable to load archetypes\n";
2985	}	3344	}
2986		3345
2987	sub reload_treasures {	3346	sub reload_treasures {
2988	load_resource_file "$DATADIR/treasures"	3347	load_resource_file "$DATADIR/treasures"
2989	or die "unable to load treasurelists\n";	3348	or die "unable to load treasurelists\n";
2990	}	3349	}
2991		3350
2992	sub reload_resources {	3351	sub reload_resources {
2993	warn "reloading resource files...\n";	3352	warn "reloading resource files...\n";
2994		3353
		3354	reload_facedata;
		3355	reload_archetypes;
2995	reload_regions;	3356	reload_regions;
2996	reload_facedata;
2997	#reload_archetypes;#d#
2998	reload_archetypes;
2999	reload_treasures;	3357	reload_treasures;
3000		3358
3001	warn "finished reloading resource files\n";	3359	warn "finished reloading resource files\n";
3002	}	3360	}
3003		3361
3004	sub init {	3362	sub reload_config {
3005	reload_resources;
3006	}
3007
3008	sub cfg_load {
3009	open my $fh, "<:utf8", "$CONFDIR/config"	3363	open my $fh, "<:utf8", "$CONFDIR/config"
3010	or return;	3364	or return;
3011		3365
3012	local $/;	3366	local $/;
3013	*CFG = YAML::Syck::Load <$fh>;	3367	*CFG = YAML::Load <$fh>;
3014		3368
3015	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3369	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3016		3370
3017	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3371	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3018	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3372	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3024	};	3378	};
3025	warn $@ if $@;	3379	warn $@ if $@;
3026	}	3380	}
3027	}	3381	}
3028		3382
		3383	sub pidfile() {
		3384	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3385	or die "$PIDFILE: $!";
		3386	flock $fh, &Fcntl::LOCK_EX
		3387	or die "$PIDFILE: flock: $!";
		3388	$fh
		3389	}
		3390
		3391	# make sure only one server instance is running at any one time
		3392	sub atomic {
		3393	my $fh = pidfile;
		3394
		3395	my $pid = <$fh>;
		3396	kill 9, $pid if $pid > 0;
		3397
		3398	seek $fh, 0, 0;
		3399	print $fh $$;
		3400	}
		3401
3029	sub main {	3402	sub main {
		3403	cf::init_globals; # initialise logging
		3404
		3405	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3406	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3407	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3408	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3409
		3410	cf::init_experience;
		3411	cf::init_anim;
		3412	cf::init_attackmess;
		3413	cf::init_dynamic;
		3414	cf::init_block;
		3415
		3416	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3417
3030	# we must not ever block the main coroutine	3418	# we must not ever block the main coroutine
3031	local $Coro::idle = sub {	3419	local $Coro::idle = sub {
3032	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3420	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3033	(async {	3421	(async {
3034	Event::one_event;	3422	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3423	EV::loop EV::LOOP_ONESHOT;
3035	})->prio (Coro::PRIO_MAX);	3424	})->prio (Coro::PRIO_MAX);
3036	};	3425	};
3037		3426
3038	cfg_load;	3427	evthread_start IO::AIO::poll_fileno;
		3428
		3429	cf::sync_job {
		3430	reload_resources;
		3431	reload_config;
3039	db_init;	3432	db_init;
		3433
		3434	cf::load_settings;
		3435	cf::load_materials;
		3436	cf::init_uuid;
		3437	cf::init_signals;
		3438	cf::init_commands;
		3439	cf::init_skills;
		3440
		3441	cf::init_beforeplay;
		3442
		3443	atomic;
		3444
3040	load_extensions;	3445	load_extensions;
3041		3446
3042	$TICK_WATCHER->start;	3447	utime time, time, $RUNTIMEFILE;
		3448
		3449	# no (long-running) fork's whatsoever before this point(!)
		3450	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3451
		3452	(pop @POST_INIT)->(0) while @POST_INIT;
		3453	};
		3454
3043	Event::loop;	3455	EV::loop;
3044	}	3456	}
3045		3457
3046	#############################################################################	3458	#############################################################################
3047	# initialisation and cleanup	3459	# initialisation and cleanup
3048		3460
3049	# install some emergency cleanup handlers	3461	# install some emergency cleanup handlers
3050	BEGIN {	3462	BEGIN {
		3463	our %SIGWATCHER = ();
3051	for my $signal (qw(INT HUP TERM)) {	3464	for my $signal (qw(INT HUP TERM)) {
3052	Event->signal (	3465	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3053	reentrant => 0,
3054	data => WF_AUTOCANCEL,
3055	signal => $signal,
3056	prio => 0,
3057	cb => sub {
3058	cf::cleanup "SIG$signal";	3466	cf::cleanup "SIG$signal";
3059	},
3060	);	3467	};
3061	}	3468	}
3062	}	3469	}
3063		3470
3064	sub write_runtime {	3471	sub write_runtime_sync {
3065	my $runtime = "$LOCALDIR/runtime";
3066
3067	# first touch the runtime file to show we are still running:	3472	# first touch the runtime file to show we are still running:
3068	# the fsync below can take a very very long time.	3473	# the fsync below can take a very very long time.
3069		3474
3070	IO::AIO::aio_utime $runtime, undef, undef;	3475	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3071		3476
3072	my $guard = cf::lock_acquire "write_runtime";	3477	my $guard = cf::lock_acquire "write_runtime";
3073		3478
3074	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3479	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3075	or return;	3480	or return;
3076		3481
3077	my $value = $cf::RUNTIME + 90 + 10;	3482	my $value = $cf::RUNTIME + 90 + 10;
3078	# 10 is the runtime save interval, for a monotonic clock	3483	# 10 is the runtime save interval, for a monotonic clock
3079	# 60 allows for the watchdog to kill the server.	3484	# 60 allows for the watchdog to kill the server.
…		…
3089	aio_utime $fh, undef, undef;	3494	aio_utime $fh, undef, undef;
3090		3495
3091	close $fh	3496	close $fh
3092	or return;	3497	or return;
3093		3498
3094	aio_rename "$runtime~", $runtime	3499	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3095	and return;	3500	and return;
3096		3501
3097	warn "runtime file written.\n";	3502	warn "runtime file written.\n";
3098		3503
3099	1	3504	1
		3505	}
		3506
		3507	our $uuid_lock;
		3508	our $uuid_skip;
		3509
		3510	sub write_uuid_sync($) {
		3511	$uuid_skip ||= $_[0];
		3512
		3513	return if $uuid_lock;
		3514	local $uuid_lock = 1;
		3515
		3516	my $uuid = "$LOCALDIR/uuid";
		3517
		3518	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3519	or return;
		3520
		3521	my $value = uuid_seq uuid_cur;
		3522
		3523	if ($value < 1024) {
		3524	warn "cowardly refusing to write low uuid value ($value)!\n";
		3525	return;
		3526	}
		3527
		3528	my $value = uuid_str $value + $uuid_skip;
		3529	$uuid_skip = 0;
		3530
		3531	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3532	and return;
		3533
		3534	# always fsync - this file is important
		3535	aio_fsync $fh
		3536	and return;
		3537
		3538	close $fh
		3539	or return;
		3540
		3541	aio_rename "$uuid~", $uuid
		3542	and return;
		3543
		3544	warn "uuid file written ($value).\n";
		3545
		3546	1
		3547
		3548	}
		3549
		3550	sub write_uuid($$) {
		3551	my ($skip, $sync) = @_;
		3552
		3553	$sync ? write_uuid_sync $skip
		3554	: async { write_uuid_sync $skip };
3100	}	3555	}
3101		3556
3102	sub emergency_save() {	3557	sub emergency_save() {
3103	my $freeze_guard = cf::freeze_mainloop;	3558	my $freeze_guard = cf::freeze_mainloop;
3104		3559
…		…
3110	# and maps saved/destroyed asynchronously.	3565	# and maps saved/destroyed asynchronously.
3111	warn "begin emergency player save\n";	3566	warn "begin emergency player save\n";
3112	for my $login (keys %cf::PLAYER) {	3567	for my $login (keys %cf::PLAYER) {
3113	my $pl = $cf::PLAYER{$login} or next;	3568	my $pl = $cf::PLAYER{$login} or next;
3114	$pl->valid or next;	3569	$pl->valid or next;
		3570	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3115	$pl->save;	3571	$pl->save;
3116	}	3572	}
3117	warn "end emergency player save\n";	3573	warn "end emergency player save\n";
3118		3574
3119	warn "begin emergency map save\n";	3575	warn "begin emergency map save\n";
…		…
3125	warn "end emergency map save\n";	3581	warn "end emergency map save\n";
3126		3582
3127	warn "begin emergency database checkpoint\n";	3583	warn "begin emergency database checkpoint\n";
3128	BDB::db_env_txn_checkpoint $DB_ENV;	3584	BDB::db_env_txn_checkpoint $DB_ENV;
3129	warn "end emergency database checkpoint\n";	3585	warn "end emergency database checkpoint\n";
		3586
		3587	warn "begin write uuid\n";
		3588	write_uuid_sync 1;
		3589	warn "end write uuid\n";
3130	};	3590	};
3131		3591
3132	warn "leave emergency perl save\n";	3592	warn "leave emergency perl save\n";
3133	}	3593	}
3134		3594
3135	sub post_cleanup {	3595	sub post_cleanup {
3136	my ($make_core) = @_;	3596	my ($make_core) = @_;
3137		3597
3138	warn Carp::longmess "post_cleanup backtrace"	3598	warn Carp::longmess "post_cleanup backtrace"
3139	if $make_core;	3599	if $make_core;
		3600
		3601	my $fh = pidfile;
		3602	unlink $PIDFILE if <$fh> == $$;
		3603	}
		3604
		3605	# a safer delete_package, copied from Symbol
		3606	sub clear_package($) {
		3607	my $pkg = shift;
		3608
		3609	# expand to full symbol table name if needed
		3610	unless ($pkg =~ /^main::.*::$/) {
		3611	$pkg = "main$pkg" if $pkg =~ /^::/;
		3612	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3613	$pkg .= '::' unless $pkg =~ /::$/;
		3614	}
		3615
		3616	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3617	my $stem_symtab = *{$stem}{HASH};
		3618
		3619	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3620	or return;
		3621
		3622	# clear all symbols
		3623	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3624	for my $name (keys %$leaf_symtab) {
		3625	_gv_clear *{"$pkg$name"};
		3626	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3627	}
		3628	warn "cleared package $pkg\n";#d#
3140	}	3629	}
3141		3630
3142	sub do_reload_perl() {	3631	sub do_reload_perl() {
3143	# can/must only be called in main	3632	# can/must only be called in main
3144	if ($Coro::current != $Coro::main) {	3633	if ($Coro::current != $Coro::main) {
3145	warn "can only reload from main coroutine";	3634	warn "can only reload from main coroutine";
3146	return;	3635	return;
3147	}	3636	}
3148		3637
		3638	return if $RELOAD++;
		3639
		3640	while ($RELOAD) {
3149	warn "reloading...";	3641	warn "reloading...";
3150		3642
3151	warn "entering sync_job";	3643	warn "entering sync_job";
3152		3644
3153	cf::sync_job {	3645	cf::sync_job {
3154	cf::write_runtime; # external watchdog should not bark	3646	cf::write_runtime_sync; # external watchdog should not bark
3155	cf::emergency_save;	3647	cf::emergency_save;
3156	cf::write_runtime; # external watchdog should not bark	3648	cf::write_runtime_sync; # external watchdog should not bark
3157		3649
3158	warn "syncing database to disk";	3650	warn "syncing database to disk";
3159	BDB::db_env_txn_checkpoint $DB_ENV;	3651	BDB::db_env_txn_checkpoint $DB_ENV;
3160		3652
3161	# if anything goes wrong in here, we should simply crash as we already saved	3653	# if anything goes wrong in here, we should simply crash as we already saved
3162		3654
3163	warn "cancelling all WF_AUTOCANCEL watchers";
3164	for (Event::all_watchers) {
3165	$_->cancel if $_->data & WF_AUTOCANCEL;
3166	}
3167
3168	warn "flushing outstanding aio requests";	3655	warn "flushing outstanding aio requests";
3169	for (;;) {
3170	BDB::flush;
3171	IO::AIO::flush;
3172	Coro::cede;
3173	last unless IO::AIO::nreqs || BDB::nreqs;	3656	while (IO::AIO::nreqs || BDB::nreqs) {
3174	warn "iterate...";	3657	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3175	}
3176
3177	++$RELOAD;
3178
3179	warn "cancelling all extension coros";
3180	$_->cancel for values %EXT_CORO;
3181	%EXT_CORO = ();
3182
3183	warn "removing commands";
3184	%COMMAND = ();
3185
3186	warn "removing ext/exti commands";
3187	%EXTCMD = ();
3188	%EXTICMD = ();
3189
3190	warn "unloading/nuking all extensions";
3191	for my $pkg (@EXTS) {
3192	warn "... unloading $pkg";
3193
3194	if (my $cb = $pkg->can ("unload")) {
3195	eval {
3196	$cb->($pkg);
3197	1
3198	} or warn "$pkg unloaded, but with errors: $@";
3199	}	3658	}
3200		3659
3201	warn "... nuking $pkg";	3660	warn "cancelling all extension coros";
3202	Symbol::delete_package $pkg;	3661	$_->cancel for values %EXT_CORO;
3203	}	3662	%EXT_CORO = ();
3204		3663
3205	warn "unloading all perl modules loaded from $LIBDIR";	3664	warn "removing commands";
3206	while (my ($k, $v) = each %INC) {	3665	%COMMAND = ();
3207	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3208		3666
		3667	warn "removing ext/exti commands";
		3668	%EXTCMD = ();
		3669	%EXTICMD = ();
		3670
		3671	warn "unloading/nuking all extensions";
		3672	for my $pkg (@EXTS) {
3209	warn "... unloading $k";	3673	warn "... unloading $pkg";
3210	delete $INC{$k};
3211		3674
3212	$k =~ s/\.pm$//;
3213	$k =~ s/\//::/g;
3214
3215	if (my $cb = $k->can ("unload_module")) {	3675	if (my $cb = $pkg->can ("unload")) {
		3676	eval {
3216	$cb->();	3677	$cb->($pkg);
		3678	1
		3679	} or warn "$pkg unloaded, but with errors: $@";
		3680	}
		3681
		3682	warn "... clearing $pkg";
		3683	clear_package $pkg;
3217	}	3684	}
3218		3685
3219	Symbol::delete_package $k;	3686	warn "unloading all perl modules loaded from $LIBDIR";
		3687	while (my ($k, $v) = each %INC) {
		3688	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3689
		3690	warn "... unloading $k";
		3691	delete $INC{$k};
		3692
		3693	$k =~ s/\.pm$//;
		3694	$k =~ s/\//::/g;
		3695
		3696	if (my $cb = $k->can ("unload_module")) {
		3697	$cb->();
		3698	}
		3699
		3700	clear_package $k;
3220	}	3701	}
3221		3702
3222	warn "getting rid of safe::, as good as possible";	3703	warn "getting rid of safe::, as good as possible";
3223	Symbol::delete_package "safe::$_"	3704	clear_package "safe::$_"
3224	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3705	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3225		3706
3226	warn "unloading cf.pm \"a bit\"";	3707	warn "unloading cf.pm \"a bit\"";
3227	delete $INC{"cf.pm"};	3708	delete $INC{"cf.pm"};
3228	delete $INC{"cf/pod.pm"};	3709	delete $INC{"cf/pod.pm"};
3229		3710
3230	# don't, removes xs symbols, too,	3711	# don't, removes xs symbols, too,
3231	# and global variables created in xs	3712	# and global variables created in xs
3232	#Symbol::delete_package __PACKAGE__;	3713	#clear_package __PACKAGE__;
3233		3714
3234	warn "unload completed, starting to reload now";	3715	warn "unload completed, starting to reload now";
3235		3716
3236	warn "reloading cf.pm";	3717	warn "reloading cf.pm";
3237	require cf;	3718	require cf;
3238	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3719	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3239		3720
3240	warn "loading config and database again";	3721	warn "loading config and database again";
3241	cf::cfg_load;	3722	cf::reload_config;
3242		3723
3243	warn "loading extensions";	3724	warn "loading extensions";
3244	cf::load_extensions;	3725	cf::load_extensions;
3245		3726
3246	warn "reattaching attachments to objects/players";	3727	warn "reattaching attachments to objects/players";
3247	_global_reattach; # objects, sockets	3728	_global_reattach; # objects, sockets
3248	warn "reattaching attachments to maps";	3729	warn "reattaching attachments to maps";
3249	reattach $_ for values %MAP;	3730	reattach $_ for values %MAP;
3250	warn "reattaching attachments to players";	3731	warn "reattaching attachments to players";
3251	reattach $_ for values %PLAYER;	3732	reattach $_ for values %PLAYER;
3252		3733
		3734	warn "running post_load";
		3735	(pop @POST_INIT)->(1) while @POST_INIT;
		3736
3253	warn "leaving sync_job";	3737	warn "leaving sync_job";
3254		3738
3255	1	3739	1
3256	} or do {	3740	} or do {
3257	warn $@;	3741	warn $@;
3258	warn "error while reloading, exiting.";	3742	cf::cleanup "error while reloading, exiting.";
3259	exit 1;
3260	};	3743	};
3261		3744
3262	warn "reloaded";	3745	warn "reloaded";
		3746	--$RELOAD;
		3747	}
3263	};	3748	};
3264		3749
3265	our $RELOAD_WATCHER; # used only during reload	3750	our $RELOAD_WATCHER; # used only during reload
3266		3751
3267	sub reload_perl() {	3752	sub reload_perl() {
3268	# doing reload synchronously and two reloads happen back-to-back,	3753	# doing reload synchronously and two reloads happen back-to-back,
3269	# coro crashes during coro_state_free->destroy here.	3754	# coro crashes during coro_state_free->destroy here.
3270		3755
3271	$RELOAD_WATCHER ||= Event->timer (	3756	$RELOAD_WATCHER ||= EV::timer $TICK * 1.5, 0, sub {
3272	reentrant => 0,
3273	after => 0,
3274	data => WF_AUTOCANCEL,
3275	cb => sub {
3276	do_reload_perl;	3757	do_reload_perl;
3277	undef $RELOAD_WATCHER;	3758	undef $RELOAD_WATCHER;
3278	},
3279	);	3759	};
3280	}	3760	}
3281		3761
3282	register_command "reload" => sub {	3762	register_command "reload" => sub {
3283	my ($who, $arg) = @_;	3763	my ($who, $arg) = @_;
3284		3764
3285	if ($who->flag (FLAG_WIZ)) {	3765	if ($who->flag (FLAG_WIZ)) {
3286	$who->message ("reloading server.");	3766	$who->message ("reloading server.");
		3767	async {
		3768	$Coro::current->{desc} = "perl_reload";
3287	async { reload_perl };	3769	reload_perl;
		3770	};
3288	}	3771	}
3289	};	3772	};
3290		3773
3291	unshift @INC, $LIBDIR;	3774	unshift @INC, $LIBDIR;
3292		3775
…		…
3294		3777
3295	our @WAIT_FOR_TICK;	3778	our @WAIT_FOR_TICK;
3296	our @WAIT_FOR_TICK_BEGIN;	3779	our @WAIT_FOR_TICK_BEGIN;
3297		3780
3298	sub wait_for_tick {	3781	sub wait_for_tick {
3299	return unless $TICK_WATCHER->is_active;
3300	return if $Coro::current == $Coro::main;	3782	return if tick_inhibit || $Coro::current == $Coro::main;
3301		3783
3302	my $signal = new Coro::Signal;	3784	my $signal = new Coro::Signal;
3303	push @WAIT_FOR_TICK, $signal;	3785	push @WAIT_FOR_TICK, $signal;
3304	$signal->wait;	3786	$signal->wait;
3305	}	3787	}
3306		3788
3307	sub wait_for_tick_begin {	3789	sub wait_for_tick_begin {
3308	return unless $TICK_WATCHER->is_active;
3309	return if $Coro::current == $Coro::main;	3790	return if tick_inhibit || $Coro::current == $Coro::main;
3310		3791
3311	my $signal = new Coro::Signal;	3792	my $signal = new Coro::Signal;
3312	push @WAIT_FOR_TICK_BEGIN, $signal;	3793	push @WAIT_FOR_TICK_BEGIN, $signal;
3313	$signal->wait;	3794	$signal->wait;
3314	}	3795	}
3315		3796
3316	my $min = 1e6;#d#	3797	sub tick {
3317	my $avg = 10;
3318	$TICK_WATCHER = Event->timer (
3319	reentrant => 0,
3320	parked => 1,
3321	prio => 0,
3322	at => $NEXT_TICK || $TICK,
3323	data => WF_AUTOCANCEL,
3324	cb => sub {
3325	if ($Coro::current != $Coro::main) {	3798	if ($Coro::current != $Coro::main) {
3326	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3799	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3327	unless ++$bug_warning > 10;	3800	unless ++$bug_warning > 10;
3328	return;	3801	return;
3329	}	3802	}
3330		3803
3331	$NOW = $tick_start = Event::time;
3332
3333	cf::server_tick; # one server iteration	3804	cf::server_tick; # one server iteration
3334		3805
3335	0 && sync_job {#d#	3806	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3336	for(1..10) {	3807	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3337	my $t = Event::time;	3808	Coro::async_pool {
3338	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3809	$Coro::current->{desc} = "runtime saver";
3339	or die;	3810	write_runtime_sync
3340		3811	or warn "ERROR: unable to write runtime file: $!";
3341	$map->width (50);
3342	$map->height (50);
3343	$map->alloc;
3344	$map->_load_objects ("/tmp/x.map", 1);
3345	my $t = Event::time - $t;
3346
3347	#next unless $t < 0.0013;#d#
3348	if ($t < $min) {
3349	$min = $t;
3350	}
3351	$avg = $avg * 0.99 + $t * 0.01;
3352	}
3353	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3354	exit 0;
3355	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3356	};	3812	};
		3813	}
3357		3814
3358	$RUNTIME += $TICK;
3359	$NEXT_TICK += $TICK;
3360
3361	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3362	$NEXT_RUNTIME_WRITE = $NOW + 10;
3363	Coro::async_pool {
3364	write_runtime
3365	or warn "ERROR: unable to write runtime file: $!";
3366	};
3367	}
3368
3369	# my $AFTER = Event::time;
3370	# warn $AFTER - $NOW;#d#
3371
3372	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3815	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3373	$sig->send;	3816	$sig->send;
3374	}	3817	}
3375	while (my $sig = shift @WAIT_FOR_TICK) {	3818	while (my $sig = shift @WAIT_FOR_TICK) {
3376	$sig->send;	3819	$sig->send;
3377	}	3820	}
3378		3821
3379	$NOW = Event::time;	3822	$LOAD = ($NOW - $TICK_START) / $TICK;
3380
3381	# if we are delayed by four ticks or more, skip them all
3382	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3383
3384	$TICK_WATCHER->at ($NEXT_TICK);
3385	$TICK_WATCHER->start;
3386
3387	$LOAD = ($NOW - $tick_start) / $TICK;
3388	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3823	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3389		3824
3390	_post_tick;	3825	if (0) {
3391		3826	if ($NEXT_TICK) {
3392		3827	my $jitter = $TICK_START - $NEXT_TICK;
		3828	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3829	warn "jitter $JITTER\n";#d#
		3830	}
3393	},	3831	}
3394	);	3832	}
3395		3833
3396	{	3834	{
3397	BDB::max_poll_time $TICK * 0.1;	3835	# configure BDB
3398	$BDB_POLL_WATCHER = Event->io (	3836
3399	reentrant => 0,
3400	fd => BDB::poll_fileno,
3401	poll => 'r',
3402	prio => 0,
3403	data => WF_AUTOCANCEL,
3404	cb => \&BDB::poll_cb,
3405	);
3406	BDB::min_parallel 8;	3837	BDB::min_parallel 8;
3407		3838	BDB::max_poll_reqs $TICK * 0.1;
3408	BDB::set_sync_prepare {	3839	$AnyEvent::BDB::WATCHER->priority (1);
3409	my $status;
3410	my $current = $Coro::current;
3411	(
3412	sub {
3413	$status = $!;
3414	$current->ready; undef $current;
3415	},
3416	sub {
3417	Coro::schedule while defined $current;
3418	$! = $status;
3419	},
3420	)
3421	};
3422		3840
3423	unless ($DB_ENV) {	3841	unless ($DB_ENV) {
3424	$DB_ENV = BDB::db_env_create;	3842	$DB_ENV = BDB::db_env_create;
		3843	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3844	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3845	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3846	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3847	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3425		3848
3426	cf::sync_job {	3849	cf::sync_job {
3427	eval {	3850	eval {
3428	BDB::db_env_open	3851	BDB::db_env_open
3429	$DB_ENV,	3852	$DB_ENV,
…		…
3431	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3854	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3432	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3855	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3433	0666;	3856	0666;
3434		3857
3435	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3858	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3436
3437	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3438	$DB_ENV->set_lk_detect;
3439	};	3859	};
3440		3860
3441	cf::cleanup "db_env_open(db): $@" if $@;	3861	cf::cleanup "db_env_open(db): $@" if $@;
3442	};	3862	};
3443	}	3863	}
		3864
		3865	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3866	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3867	};
		3868	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3869	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3870	};
		3871	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3872	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3873	};
3444	}	3874	}
3445		3875
3446	{	3876	{
		3877	# configure IO::AIO
		3878
3447	IO::AIO::min_parallel 8;	3879	IO::AIO::min_parallel 8;
3448
3449	undef $Coro::AIO::WATCHER;
3450	IO::AIO::max_poll_time $TICK * 0.1;	3880	IO::AIO::max_poll_time $TICK * 0.1;
3451	$AIO_POLL_WATCHER = Event->io (	3881	undef $AnyEvent::AIO::WATCHER;
3452	reentrant => 0,
3453	data => WF_AUTOCANCEL,
3454	fd => IO::AIO::poll_fileno,
3455	poll => 'r',
3456	prio => 6,
3457	cb => \&IO::AIO::poll_cb,
3458	);
3459	}	3882	}
3460		3883
3461	my $_log_backtrace;	3884	my $_log_backtrace;
3462		3885
3463	sub _log_backtrace {	3886	sub _log_backtrace {
…		…
3466	$msg =~ s/\n//;	3889	$msg =~ s/\n//;
3467		3890
3468	# limit the # of concurrent backtraces	3891	# limit the # of concurrent backtraces
3469	if ($_log_backtrace < 2) {	3892	if ($_log_backtrace < 2) {
3470	++$_log_backtrace;	3893	++$_log_backtrace;
		3894	my $perl_bt = Carp::longmess $msg;
3471	async {	3895	async {
		3896	$Coro::current->{desc} = "abt $msg";
		3897
3472	my @bt = fork_call {	3898	my @bt = fork_call {
3473	@addr = map { sprintf "%x", $_ } @addr;	3899	@addr = map { sprintf "%x", $_ } @addr;
3474	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3900	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3475	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3901	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3476	or die "addr2line: $!";	3902	or die "addr2line: $!";
…		…
3484	}	3910	}
3485		3911
3486	@funcs	3912	@funcs
3487	};	3913	};
3488		3914
3489	LOG llevInfo, "[ABT] $msg\n";	3915	LOG llevInfo, "[ABT] $perl_bt\n";
		3916	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3490	LOG llevInfo, "[ABT] $_\n" for @bt;	3917	LOG llevInfo, "[ABT] $_\n" for @bt;
3491	--$_log_backtrace;	3918	--$_log_backtrace;
3492	};	3919	};
3493	} else {	3920	} else {
3494	LOG llevInfo, "[ABT] $msg\n";	3921	LOG llevInfo, "[ABT] $msg\n";

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