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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.356 by root, Tue Sep 4 05:43:21 2007 UTC vs.
Revision 1.448 by root, Fri Sep 19 05:30:23 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
15	use Coro 3.64 ();	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;
24	use Coro::Util ();	49	use Coro::Util ();
25		50
26	use JSON::XS ();	51	use JSON::XS 2.01 ();
27	use BDB ();	52	use BDB ();
28	use Data::Dumper;	53	use Data::Dumper;
29	use Digest::MD5;	54	use Digest::MD5;
30	use Fcntl;	55	use Fcntl;
31	use YAML::Syck ();	56	use YAML ();
32	use IO::AIO 2.32 ();	57	use IO::AIO ();
33	use Time::HiRes;	58	use Time::HiRes;
34	use Compress::LZF;	59	use Compress::LZF;
35	use Digest::MD5 ();	60	use Digest::MD5 ();
		61
		62	AnyEvent::detect;
36		63
37	# configure various modules to our taste	64	# configure various modules to our taste
38	#	65	#
39	$Storable::canonical = 1; # reduce rsync transfers	66	$Storable::canonical = 1; # reduce rsync transfers
40	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
41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42
43	$Event::Eval = 1; # no idea why this is required, but it is
44
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47		68
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	69	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		70
		71	{
		72	# very ugly, but ensure we acquire the storable lock
		73
		74	sub net_mstore {
		75	my $guard = Coro::Storable::guard;
		76	&Storable::net_mstore
		77	}
		78
		79	sub mretrieve {
		80	my $guard = Coro::Storable::guard;
		81	&Storable::mretrieve
		82	}
		83
		84	Compress::LZF::set_serializer "Coro::Storable", "cf::net_mstore", "cf::mretrieve";
		85	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		86	}
49		87
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	88	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
51		89
52	our %COMMAND = ();	90	our %COMMAND = ();
53	our %COMMAND_TIME = ();	91	our %COMMAND_TIME = ();
…		…
59	our %EXT_MAP = (); # pluggable maps	97	our %EXT_MAP = (); # pluggable maps
60		98
61	our $RELOAD; # number of reloads so far	99	our $RELOAD; # number of reloads so far
62	our @EVENT;	100	our @EVENT;
63		101
64	our $CONFDIR = confdir;	102	our $CONFDIR = confdir;
65	our $DATADIR = datadir;	103	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	104	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	105	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	106	our $MAPDIR = "$DATADIR/" . mapdir;
69	our $LOCALDIR = localdir;	107	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	108	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	109	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	110	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	111	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	112	our $BDBDIR = "$LOCALDIR/db";
		113	our $PIDFILE = "$LOCALDIR/pid";
		114	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		115
		116	our %RESOURCE;
75		117
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	118	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	119	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	120	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	121	our $USE_FSYNC = 1; # use fsync to write maps - default off
83		122
		123	our $BDB_DEADLOCK_WATCHER;
		124	our $BDB_CHECKPOINT_WATCHER;
84	our $BDB_POLL_WATCHER;	125	our $BDB_TRICKLE_WATCHER;
85	our $DB_ENV;	126	our $DB_ENV;
86		127
87	our %CFG;	128	our %CFG;
88		129
89	our $UPTIME; $UPTIME ||= time;	130	our $UPTIME; $UPTIME ||= time;
90	our $RUNTIME;	131	our $RUNTIME;
		132	our $NOW;
91		133
92	our (%PLAYER, %PLAYER_LOADING); # all users	134	our (%PLAYER, %PLAYER_LOADING); # all users
93	our (%MAP, %MAP_LOADING ); # all maps	135	our (%MAP, %MAP_LOADING ); # all maps
94	our $LINK_MAP; # the special {link} map, which is always available	136	our $LINK_MAP; # the special {link} map, which is always available
95		137
96	# used to convert map paths into valid unix filenames by replacing / by ∕	138	# used to convert map paths into valid unix filenames by replacing / by ∕
97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	139	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98		140
99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	141	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100	our $LOADAVG; # same thing, but with alpha-smoothing	142	our $LOADAVG; # same thing, but with alpha-smoothing
		143	our $JITTER; # average jitter
101	our $tick_start; # for load detecting purposes	144	our $TICK_START; # for load detecting purposes
102		145
103	binmode STDOUT;	146	binmode STDOUT;
104	binmode STDERR;	147	binmode STDERR;
105		148
106	# read virtual server time, if available	149	# read virtual server time, if available
107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	150	unless ($RUNTIME || !-e $RUNTIMEFILE) {
108	open my $fh, "<", "$LOCALDIR/runtime"	151	open my $fh, "<", $RUNTIMEFILE
109	or die "unable to read runtime file: $!";	152	or die "unable to read $RUNTIMEFILE file: $!";
110	$RUNTIME = <$fh> + 0.;	153	$RUNTIME = <$fh> + 0.;
111	}	154	}
112		155
113	mkdir $_	156	mkdir $_
114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	157	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
159		202
160	The raw value load value from the last tick.	203	The raw value load value from the last tick.
161		204
162	=item %cf::CFG	205	=item %cf::CFG
163		206
164	Configuration for the server, loaded from C</etc/crossfire/config>, or	207	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
165	from wherever your confdir points to.	208	from wherever your confdir points to.
166		209
167	=item cf::wait_for_tick, cf::wait_for_tick_begin	210	=item cf::wait_for_tick, cf::wait_for_tick_begin
168		211
169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	212	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
…		…
187	$msg .= "\n"	230	$msg .= "\n"
188	unless $msg =~ /\n$/;	231	unless $msg =~ /\n$/;
189		232
190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	233	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191		234
192	utf8::encode $msg;
193	LOG llevError, $msg;	235	LOG llevError, $msg;
194	};	236	};
195	}	237	}
		238
		239	$Coro::State::DIEHOOK = sub {
		240	return unless $^S eq 0; # "eq", not "=="
		241
		242	if ($Coro::current == $Coro::main) {#d#
		243	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		244	return;#d#
		245	}#d#
		246
		247	# kill coroutine otherwise
		248	warn Carp::longmess $_[0];
		249	Coro::terminate
		250	};
		251
		252	$SIG{__DIE__} = sub { }; #d#?
196		253
197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	254	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	255	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	256	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	257	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
207	for my $pkg (qw(	264	for my $pkg (qw(
208	cf::global cf::attachable	265	cf::global cf::attachable
209	cf::object cf::object::player	266	cf::object cf::object::player
210	cf::client cf::player	267	cf::client cf::player
211	cf::arch cf::living	268	cf::arch cf::living
		269	cf::map cf::mapspace
212	cf::map cf::party cf::region	270	cf::party cf::region
213	)) {	271	)) {
214	no strict 'refs';
215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	272	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
216	}	273	}
217		274
218	$Event::DIED = sub {	275	$EV::DIED = sub {
219	warn "error in event callback: @_";	276	warn "error in event callback: @_";
220	};	277	};
221		278
222	#############################################################################	279	#############################################################################
223		280
…		…
246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	303	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
247	$d	304	$d
248	} || "[unable to dump $_[0]: '$@']";	305	} || "[unable to dump $_[0]: '$@']";
249	}	306	}
250		307
251	=item $ref = cf::from_json $json	308	=item $ref = cf::decode_json $json
252		309
253	Converts a JSON string into the corresponding perl data structure.	310	Converts a JSON string into the corresponding perl data structure.
254		311
255	=item $json = cf::to_json $ref	312	=item $json = cf::encode_json $ref
256		313
257	Converts a perl data structure into its JSON representation.	314	Converts a perl data structure into its JSON representation.
258		315
259	=cut	316	=cut
260		317
261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	318	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
262		319
263	sub to_json ($) { $json_coder->encode ($_[0]) }	320	sub encode_json($) { $json_coder->encode ($_[0]) }
264	sub from_json ($) { $json_coder->decode ($_[0]) }	321	sub decode_json($) { $json_coder->decode ($_[0]) }
265		322
266	=item cf::lock_wait $string	323	=item cf::lock_wait $string
267		324
268	Wait until the given lock is available. See cf::lock_acquire.	325	Wait until the given lock is available. See cf::lock_acquire.
269		326
…		…
285	Return true if the lock is currently active, i.e. somebody has locked it.	342	Return true if the lock is currently active, i.e. somebody has locked it.
286		343
287	=cut	344	=cut
288		345
289	our %LOCK;	346	our %LOCK;
		347	our %LOCKER;#d#
290		348
291	sub lock_wait($) {	349	sub lock_wait($) {
292	my ($key) = @_;	350	my ($key) = @_;
		351
		352	if ($LOCKER{$key} == $Coro::current) {#d#
		353	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		354	return;#d#
		355	}#d#
293		356
294	# wait for lock, if any	357	# wait for lock, if any
295	while ($LOCK{$key}) {	358	while ($LOCK{$key}) {
296	push @{ $LOCK{$key} }, $Coro::current;	359	push @{ $LOCK{$key} }, $Coro::current;
297	Coro::schedule;	360	Coro::schedule;
…		…
303		366
304	# wait, to be sure we are not locked	367	# wait, to be sure we are not locked
305	lock_wait $key;	368	lock_wait $key;
306		369
307	$LOCK{$key} = [];	370	$LOCK{$key} = [];
		371	$LOCKER{$key} = $Coro::current;#d#
308		372
309	Coro::guard {	373	Coro::guard {
		374	delete $LOCKER{$key};#d#
310	# wake up all waiters, to be on the safe side	375	# wake up all waiters, to be on the safe side
311	$_->ready for @{ delete $LOCK{$key} };	376	$_->ready for @{ delete $LOCK{$key} };
312	}	377	}
313	}	378	}
314		379
…		…
317		382
318	! ! $LOCK{$key}	383	! ! $LOCK{$key}
319	}	384	}
320		385
321	sub freeze_mainloop {	386	sub freeze_mainloop {
322	return unless $TICK_WATCHER->is_active;	387	tick_inhibit_inc;
323		388
324	my $guard = Coro::guard {	389	Coro::guard \&tick_inhibit_dec;
325	$TICK_WATCHER->start;	390	}
326	};	391
327	$TICK_WATCHER->stop;	392	=item cf::periodic $interval, $cb
328	$guard	393
		394	Like EV::periodic, but randomly selects a starting point so that the actions
		395	get spread over timer.
		396
		397	=cut
		398
		399	sub periodic($$) {
		400	my ($interval, $cb) = @_;
		401
		402	my $start = rand List::Util::min 180, $interval;
		403
		404	EV::periodic $start, $interval, 0, $cb
329	}	405	}
330		406
331	=item cf::get_slot $time[, $priority[, $name]]	407	=item cf::get_slot $time[, $priority[, $name]]
332		408
333	Allocate $time seconds of blocking CPU time at priority C<$priority>:	409	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
344	our @SLOT_QUEUE;	420	our @SLOT_QUEUE;
345	our $SLOT_QUEUE;	421	our $SLOT_QUEUE;
346		422
347	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	423	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
348	$SLOT_QUEUE = Coro::async {	424	$SLOT_QUEUE = Coro::async {
		425	$Coro::current->desc ("timeslot manager");
		426
349	my $signal = new Coro::Signal;	427	my $signal = new Coro::Signal;
350		428
351	while () {	429	while () {
352	next_job:	430	next_job:
353	my $avail = cf::till_tick;	431	my $avail = cf::till_tick;
…		…
361	}	439	}
362	}	440	}
363	}	441	}
364		442
365	if (@SLOT_QUEUE) {	443	if (@SLOT_QUEUE) {
366	# we do not use wait_For_tick() as it returns immediately when tick is inactive	444	# we do not use wait_for_tick() as it returns immediately when tick is inactive
367	push @cf::WAIT_FOR_TICK, $signal;	445	push @cf::WAIT_FOR_TICK, $signal;
368	$signal->wait;	446	$signal->wait;
369	} else {	447	} else {
370	Coro::schedule;	448	Coro::schedule;
371	}	449	}
372	}	450	}
373	};	451	};
374		452
375	sub get_slot($;$$) {	453	sub get_slot($;$$) {
		454	return if tick_inhibit || $Coro::current == $Coro::main;
		455
376	my ($time, $pri, $name) = @_;	456	my ($time, $pri, $name) = @_;
377		457
378	$time = $TICK * .6 if $time > $TICK * .6;	458	$time = $TICK * .6 if $time > $TICK * .6;
379	my $sig = new Coro::Signal;	459	my $sig = new Coro::Signal;
380		460
…		…
394		474
395	BEGIN { *async = \&Coro::async_pool }	475	BEGIN { *async = \&Coro::async_pool }
396		476
397	=item cf::sync_job { BLOCK }	477	=item cf::sync_job { BLOCK }
398		478
399	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	479	The design of Deliantra requires that the main coroutine ($Coro::main)
400	is always able to handle events or runnable, as Crossfire TRT is only	480	is always able to handle events or runnable, as Deliantra is only
401	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	481	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
402	acceptable.	482	acceptable.
403		483
404	If it must be done, put the blocking parts into C<sync_job>. This will run	484	If it must be done, put the blocking parts into C<sync_job>. This will run
405	the given BLOCK in another coroutine while waiting for the result. The	485	the given BLOCK in another coroutine while waiting for the result. The
…		…
410		490
411	sub sync_job(&) {	491	sub sync_job(&) {
412	my ($job) = @_;	492	my ($job) = @_;
413		493
414	if ($Coro::current == $Coro::main) {	494	if ($Coro::current == $Coro::main) {
415	my $time = Event::time;	495	my $time = EV::time;
416		496
417	# this is the main coro, too bad, we have to block	497	# this is the main coro, too bad, we have to block
418	# till the operation succeeds, freezing the server :/	498	# till the operation succeeds, freezing the server :/
419		499
420	# TODO: use suspend/resume instead	500	LOG llevError, Carp::longmess "sync job";#d#
421	# (but this is cancel-safe)	501
422	my $freeze_guard = freeze_mainloop;	502	my $freeze_guard = freeze_mainloop;
423		503
424	my $busy = 1;	504	my $busy = 1;
425	my @res;	505	my @res;
426		506
427	(async {	507	(async {
		508	$Coro::current->desc ("sync job coro");
428	@res = eval { $job->() };	509	@res = eval { $job->() };
429	warn $@ if $@;	510	warn $@ if $@;
430	undef $busy;	511	undef $busy;
431	})->prio (Coro::PRIO_MAX);	512	})->prio (Coro::PRIO_MAX);
432		513
433	while ($busy) {	514	while ($busy) {
434	Coro::cede or Event::one_event;	515	if (Coro::nready) {
		516	Coro::cede_notself;
		517	} else {
		518	EV::loop EV::LOOP_ONESHOT;
435	}	519	}
		520	}
436		521
437	$time = Event::time - $time;	522	my $time = EV::time - $time;
438		523
439	LOG llevError | logBacktrace, Carp::longmess "long sync job"
440	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
441
442	$tick_start += $time; # do not account sync jobs to server load	524	$TICK_START += $time; # do not account sync jobs to server load
443		525
444	wantarray ? @res : $res[0]	526	wantarray ? @res : $res[0]
445	} else {	527	} else {
446	# we are in another coroutine, how wonderful, everything just works	528	# we are in another coroutine, how wonderful, everything just works
447		529
…		…
472	=item fork_call { }, $args	554	=item fork_call { }, $args
473		555
474	Executes the given code block with the given arguments in a seperate	556	Executes the given code block with the given arguments in a seperate
475	process, returning the results. Everything must be serialisable with	557	process, returning the results. Everything must be serialisable with
476	Coro::Storable. May, of course, block. Note that the executed sub may	558	Coro::Storable. May, of course, block. Note that the executed sub may
477	never block itself or use any form of Event handling.	559	never block itself or use any form of event handling.
478		560
479	=cut	561	=cut
480		562
481	sub fork_call(&@) {	563	sub fork_call(&@) {
482	my ($cb, @args) = @_;	564	my ($cb, @args) = @_;
…		…
491	}, @args;	573	}, @args;
492		574
493	wantarray ? @res : $res[-1]	575	wantarray ? @res : $res[-1]
494	}	576	}
495		577
		578	=item $coin = coin_from_name $name
		579
		580	=cut
		581
		582	our %coin_alias = (
		583	"silver" => "silvercoin",
		584	"silvercoin" => "silvercoin",
		585	"silvercoins" => "silvercoin",
		586	"gold" => "goldcoin",
		587	"goldcoin" => "goldcoin",
		588	"goldcoins" => "goldcoin",
		589	"platinum" => "platinacoin",
		590	"platinumcoin" => "platinacoin",
		591	"platinumcoins" => "platinacoin",
		592	"platina" => "platinacoin",
		593	"platinacoin" => "platinacoin",
		594	"platinacoins" => "platinacoin",
		595	"royalty" => "royalty",
		596	"royalties" => "royalty",
		597	);
		598
		599	sub coin_from_name($) {
		600	$coin_alias{$_[0]}
		601	? cf::arch::find $coin_alias{$_[0]}
		602	: undef
		603	}
		604
496	=item $value = cf::db_get $family => $key	605	=item $value = cf::db_get $family => $key
497		606
498	Returns a single value from the environment database.	607	Returns a single value from the environment database.
499		608
500	=item cf::db_put $family => $key => $value	609	=item cf::db_put $family => $key => $value
501		610
502	Stores the given C<$value> in the family. It can currently store binary	611	Stores the given C<$value> in the family. It can currently store binary
503	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	612	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
504		613
		614	=item $db = cf::db_table "name"
		615
		616	Create and/or open a new database table. The string must not be "db" and must be unique
		617	within each server.
		618
505	=cut	619	=cut
		620
		621	sub db_table($) {
		622	my ($name) = @_;
		623	my $db = BDB::db_create $DB_ENV;
		624
		625	eval {
		626	$db->set_flags (BDB::CHKSUM);
		627
		628	utf8::encode $name;
		629	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		630	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		631	cf::cleanup "db_open(db): $!" if $!;
		632	};
		633	cf::cleanup "db_open(db): $@" if $@;
		634
		635	$db
		636	}
506		637
507	our $DB;	638	our $DB;
508		639
509	sub db_init {	640	sub db_init {
510	unless ($DB) {
511	$DB = BDB::db_create $DB_ENV;
512
513	cf::sync_job {	641	cf::sync_job {
514	eval {	642	$DB ||= db_table "db";
515	$DB->set_flags (BDB::CHKSUM);
516
517	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
518	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
519	cf::cleanup "db_open(db): $!" if $!;
520	};
521	cf::cleanup "db_open(db): $@" if $@;
522	};
523	}	643	};
524	}	644	}
525		645
526	sub db_get($$) {	646	sub db_get($$) {
527	my $key = "$_[0]/$_[1]";	647	my $key = "$_[0]/$_[1]";
528		648
…		…
626		746
627	#############################################################################	747	#############################################################################
628		748
629	=head2 ATTACHABLE OBJECTS	749	=head2 ATTACHABLE OBJECTS
630		750
631	Many objects in crossfire are so-called attachable objects. That means you can	751	Many objects in deliantra are so-called attachable objects. That means you can
632	attach callbacks/event handlers (a collection of which is called an "attachment")	752	attach callbacks/event handlers (a collection of which is called an "attachment")
633	to it. All such attachable objects support the following methods.	753	to it. All such attachable objects support the following methods.
634		754
635	In the following description, CLASS can be any of C<global>, C<object>	755	In the following description, CLASS can be any of C<global>, C<object>
636	C<player>, C<client> or C<map> (i.e. the attachable objects in	756	C<player>, C<client> or C<map> (i.e. the attachable objects in
637	Crossfire TRT).	757	Deliantra).
638		758
639	=over 4	759	=over 4
640		760
641	=item $attachable->attach ($attachment, key => $value...)	761	=item $attachable->attach ($attachment, key => $value...)
642		762
…		…
686	=item cf::CLASS::attachment $name, ...	806	=item cf::CLASS::attachment $name, ...
687		807
688	Register an attachment by C<$name> through which attachable objects of the	808	Register an attachment by C<$name> through which attachable objects of the
689	given CLASS can refer to this attachment.	809	given CLASS can refer to this attachment.
690		810
691	Some classes such as crossfire maps and objects can specify attachments	811	Some classes such as deliantra maps and objects can specify attachments
692	that are attached at load/instantiate time, thus the need for a name.	812	that are attached at load/instantiate time, thus the need for a name.
693		813
694	These calls expect any number of the following handler/hook descriptions:	814	These calls expect any number of the following handler/hook descriptions:
695		815
696	=over 4	816	=over 4
…		…
924	}	1044	}
925		1045
926	0	1046	0
927	}	1047	}
928		1048
929	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1049	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
930		1050
931	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1051	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
932		1052
933	Generate an object-specific event with the given arguments.	1053	Generate an object-specific event with the given arguments.
934		1054
…		…
940		1060
941	=cut	1061	=cut
942		1062
943	#############################################################################	1063	#############################################################################
944	# object support	1064	# object support
945	#
946		1065
		1066	sub _object_equal($$);
		1067	sub _object_equal($$) {
		1068	my ($a, $b) = @_;
		1069
		1070	return 0 unless (ref $a) eq (ref $b);
		1071
		1072	if ("HASH" eq ref $a) {
		1073	my @ka = keys %$a;
		1074	my @kb = keys %$b;
		1075
		1076	return 0 if @ka != @kb;
		1077
		1078	for (0 .. $#ka) {
		1079	return 0 unless $ka[$_] eq $kb[$_];
		1080	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1081	}
		1082
		1083	} elsif ("ARRAY" eq ref $a) {
		1084
		1085	return 0 if @$a != @$b;
		1086
		1087	for (0 .. $#$a) {
		1088	return 0 unless _object_equal $a->[$_], $b->[$_];
		1089	}
		1090
		1091	} elsif ($a ne $b) {
		1092	return 0;
		1093	}
		1094
		1095	1
		1096	}
		1097
		1098	our $SLOW_MERGES;#d#
947	sub _can_merge {	1099	sub _can_merge {
948	my ($ob1, $ob2) = @_;	1100	my ($ob1, $ob2) = @_;
949		1101
950	local $Storable::canonical = 1;	1102	++$SLOW_MERGES;#d#
951	my $fob1 = Storable::freeze $ob1;
952	my $fob2 = Storable::freeze $ob2;
953		1103
954	$fob1 eq $fob2	1104	# we do the slow way here
		1105	return _object_equal $ob1, $ob2
955	}	1106	}
956		1107
957	sub reattach {	1108	sub reattach {
958	# basically do the same as instantiate, without calling instantiate	1109	# basically do the same as instantiate, without calling instantiate
959	my ($obj) = @_;	1110	my ($obj) = @_;
960		1111
		1112	# no longer needed after getting rid of delete_package?
961	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1113	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
962		1114
963	my $registry = $obj->registry;	1115	my $registry = $obj->registry;
964		1116
965	@$registry = ();	1117	@$registry = ();
966		1118
…		…
981	cf::attachable->attach (	1133	cf::attachable->attach (
982	prio => -1000000,	1134	prio => -1000000,
983	on_instantiate => sub {	1135	on_instantiate => sub {
984	my ($obj, $data) = @_;	1136	my ($obj, $data) = @_;
985		1137
986	$data = from_json $data;	1138	$data = decode_json $data;
987		1139
988	for (@$data) {	1140	for (@$data) {
989	my ($name, $args) = @$_;	1141	my ($name, $args) = @$_;
990		1142
991	$obj->attach ($name, %{$args || {} });	1143	$obj->attach ($name, %{$args || {} });
…		…
1005	);	1157	);
1006		1158
1007	sub object_freezer_save {	1159	sub object_freezer_save {
1008	my ($filename, $rdata, $objs) = @_;	1160	my ($filename, $rdata, $objs) = @_;
1009		1161
1010	my $guard = cf::lock_acquire "io";
1011
1012	sync_job {	1162	sync_job {
1013	if (length $$rdata) {	1163	if (length $$rdata) {
		1164	utf8::decode (my $decname = $filename);
1014	warn sprintf "saving %s (%d,%d)\n",	1165	warn sprintf "saving %s (%d,%d)\n",
1015	$filename, length $$rdata, scalar @$objs;	1166	$decname, length $$rdata, scalar @$objs;
1016		1167
1017	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1168	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1018	chmod SAVE_MODE, $fh;	1169	aio_chmod $fh, SAVE_MODE;
1019	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1170	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1020	aio_fsync $fh if $cf::USE_FSYNC;	1171	aio_fsync $fh if $cf::USE_FSYNC;
1021	close $fh;	1172	aio_close $fh;
1022		1173
1023	if (@$objs) {	1174	if (@$objs) {
1024	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1175	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1025	chmod SAVE_MODE, $fh;	1176	aio_chmod $fh, SAVE_MODE;
1026	my $data = Storable::nfreeze { version => 1, objs => $objs };	1177	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1027	aio_write $fh, 0, (length $data), $data, 0;	1178	aio_write $fh, 0, (length $data), $data, 0;
1028	aio_fsync $fh if $cf::USE_FSYNC;	1179	aio_fsync $fh if $cf::USE_FSYNC;
1029	close $fh;	1180	aio_close $fh;
1030	aio_rename "$filename.pst~", "$filename.pst";	1181	aio_rename "$filename.pst~", "$filename.pst";
1031	}	1182	}
1032	} else {	1183	} else {
1033	aio_unlink "$filename.pst";	1184	aio_unlink "$filename.pst";
1034	}	1185	}
…		…
1040	} else {	1191	} else {
1041	aio_unlink $filename;	1192	aio_unlink $filename;
1042	aio_unlink "$filename.pst";	1193	aio_unlink "$filename.pst";
1043	}	1194	}
1044	};	1195	};
1045
1046	undef $guard;
1047	}	1196	}
1048		1197
1049	sub object_freezer_as_string {	1198	sub object_freezer_as_string {
1050	my ($rdata, $objs) = @_;	1199	my ($rdata, $objs) = @_;
1051		1200
…		…
1056		1205
1057	sub object_thawer_load {	1206	sub object_thawer_load {
1058	my ($filename) = @_;	1207	my ($filename) = @_;
1059		1208
1060	my ($data, $av);	1209	my ($data, $av);
1061
1062	my $guard = cf::lock_acquire "io";
1063		1210
1064	(aio_load $filename, $data) >= 0	1211	(aio_load $filename, $data) >= 0
1065	or return;	1212	or return;
1066		1213
1067	unless (aio_stat "$filename.pst") {	1214	unless (aio_stat "$filename.pst") {
1068	(aio_load "$filename.pst", $av) >= 0	1215	(aio_load "$filename.pst", $av) >= 0
1069	or return;	1216	or return;
1070		1217
1071	undef $guard;
1072	$av = eval { (Storable::thaw $av)->{objs} };	1218	my $st = eval { Coro::Storable::thaw $av };
		1219	$av = $st->{objs};
1073	}	1220	}
1074		1221
		1222	utf8::decode (my $decname = $filename);
1075	warn sprintf "loading %s (%d)\n",	1223	warn sprintf "loading %s (%d,%d)\n",
1076	$filename, length $data, scalar @{$av || []};	1224	$decname, length $data, scalar @{$av || []};
1077		1225
1078	($data, $av)	1226	($data, $av)
1079	}	1227	}
1080		1228
1081	=head2 COMMAND CALLBACKS	1229	=head2 COMMAND CALLBACKS
…		…
1206		1354
1207	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1355	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1208	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1356	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1209		1357
1210	$ext{source} =	1358	$ext{source} =
1211	"package $pkg; use strict; use utf8;\n"	1359	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1212	. "#line 1 \"$path\"\n{\n"	1360	. "#line 1 \"$path\"\n{\n"
1213	. $source	1361	. $source
1214	. "\n};\n1";	1362	. "\n};\n1";
1215		1363
1216	$todo{$base} = \%ext;	1364	$todo{$base} = \%ext;
…		…
1232	my $msg = $@ ? "$v->{path}: $@\n"	1380	my $msg = $@ ? "$v->{path}: $@\n"
1233	: "$v->{base}: extension inactive.\n";	1381	: "$v->{base}: extension inactive.\n";
1234		1382
1235	if (exists $v->{meta}{mandatory}) {	1383	if (exists $v->{meta}{mandatory}) {
1236	warn $msg;	1384	warn $msg;
1237	warn "mandatory extension failed to load, exiting.\n";	1385	cf::cleanup "mandatory extension failed to load, exiting.";
1238	exit 1;
1239	}	1386	}
1240		1387
1241	warn $msg;	1388	warn $msg;
1242	}	1389	}
1243		1390
…		…
1257		1404
1258	=back	1405	=back
1259		1406
1260	=head2 CORE EXTENSIONS	1407	=head2 CORE EXTENSIONS
1261		1408
1262	Functions and methods that extend core crossfire objects.	1409	Functions and methods that extend core deliantra objects.
1263		1410
1264	=cut	1411	=cut
1265		1412
1266	package cf::player;	1413	package cf::player;
1267		1414
1268	use Coro::AIO;	1415	use Coro::AIO;
1269		1416
1270	=head3 cf::player	1417	=head3 cf::player
1271		1418
1272	=over 4	1419	=over 4
		1420
		1421	=item cf::player::num_playing
		1422
		1423	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1424
		1425	=cut
		1426
		1427	sub num_playing {
		1428	scalar grep
		1429	$_->ob->map
		1430	&& !$_->hidden
		1431	&& !$_->ob->flag (cf::FLAG_WIZ),
		1432	cf::player::list
		1433	}
1273		1434
1274	=item cf::player::find $login	1435	=item cf::player::find $login
1275		1436
1276	Returns the given player object, loading it if necessary (might block).	1437	Returns the given player object, loading it if necessary (might block).
1277		1438
…		…
1316	aio_unlink +(playerdir $login) . "/$login.pl";	1477	aio_unlink +(playerdir $login) . "/$login.pl";
1317		1478
1318	my $f = new_from_file cf::object::thawer path $login	1479	my $f = new_from_file cf::object::thawer path $login
1319	or return;	1480	or return;
1320		1481
1321	$f->next;
1322	my $pl = cf::player::load_pl $f	1482	my $pl = cf::player::load_pl $f
1323	or return;	1483	or return;
		1484
1324	local $cf::PLAYER_LOADING{$login} = $pl;	1485	local $cf::PLAYER_LOADING{$login} = $pl;
1325	$f->resolve_delayed_derefs;	1486	$f->resolve_delayed_derefs;
1326	$cf::PLAYER{$login} = $pl	1487	$cf::PLAYER{$login} = $pl
1327	}	1488	}
1328	}	1489	}
…		…
1338		1499
1339	return if $pl->{deny_save};	1500	return if $pl->{deny_save};
1340		1501
1341	aio_mkdir playerdir $pl, 0770;	1502	aio_mkdir playerdir $pl, 0770;
1342	$pl->{last_save} = $cf::RUNTIME;	1503	$pl->{last_save} = $cf::RUNTIME;
		1504
		1505	cf::get_slot 0.01;
1343		1506
1344	$pl->save_pl ($path);	1507	$pl->save_pl ($path);
1345	cf::cede_to_tick;	1508	cf::cede_to_tick;
1346	}	1509	}
1347		1510
…		…
1379	my ($pl) = @_;	1542	my ($pl) = @_;
1380		1543
1381	my $name = $pl->ob->name;	1544	my $name = $pl->ob->name;
1382		1545
1383	$pl->{deny_save} = 1;	1546	$pl->{deny_save} = 1;
1384	$pl->password ("*"); # this should lock out the player until we nuked the dir	1547	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1385		1548
1386	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1549	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1387	$pl->deactivate;	1550	$pl->deactivate;
		1551	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1552	$pl->ob->check_score;
1388	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1553	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1389	$pl->ns->destroy if $pl->ns;	1554	$pl->ns->destroy if $pl->ns;
1390		1555
1391	my $path = playerdir $pl;	1556	my $path = playerdir $pl;
1392	my $temp = "$path~$cf::RUNTIME~deleting~";	1557	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1431		1596
1432	for my $login (@$dirs) {	1597	for my $login (@$dirs) {
1433	my $path = path $login;	1598	my $path = path $login;
1434		1599
1435	# a .pst is a dead give-away for a valid player	1600	# a .pst is a dead give-away for a valid player
1436	unless (-e "$path.pst") {	1601	# if no pst file found, open and chekc for blocked users
		1602	if (aio_stat "$path.pst") {
1437	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1603	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1438	aio_read $fh, 0, 512, my $buf, 0 or next;	1604	aio_read $fh, 0, 512, my $buf, 0 or next;
1439	$buf !~ /^password -------------$/m or next; # official not-valid tag	1605	$buf !~ /^password -------------$/m or next; # official not-valid tag
1440	}	1606	}
1441		1607
…		…
1472	}	1638	}
1473		1639
1474	\@paths	1640	\@paths
1475	}	1641	}
1476		1642
1477	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1643	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1478		1644
1479	Expand crossfire pod fragments into protocol xml.	1645	Expand deliantra pod fragments into protocol xml.
1480
1481	=cut
1482
1483	sub expand_cfpod {
1484	((my $self), (local $_)) = @_;
1485
1486	# escape & and <
1487	s/&/&amp;/g;
1488	s/(?<![BIUGHT])</&lt;/g;
1489
1490	# this is buggy, it needs to properly take care of nested <'s
1491
1492	1 while
1493	# replace B<>, I<>, U<> etc.
1494	s/B<([^\>]*)>/<b>$1<\/b>/
1495	|| s/I<([^\>]*)>/<i>$1<\/i>/
1496	|| s/U<([^\>]*)>/<u>$1<\/u>/
1497	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1498	# replace G<male|female> tags
1499	|| s{G<([^>|]*)\|([^>]*)>}{
1500	$self->gender ? $2 : $1
1501	}ge
1502	# replace H<hint text>
1503	|| s{H<([^\>]*)>}
1504	{
1505	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1506	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1507	"")
1508	[$self->{hintmode}]
1509	}ge;
1510
1511	# create single paragraphs (very hackish)
1512	s/(?<=\S)\n(?=\w)/ /g;
1513
1514	# compress some whitespace
1515	s/\s+\n/\n/g; # ws line-ends
1516	s/\n\n+/\n/g; # double lines
1517	s/^\n+//; # beginning lines
1518	s/\n+$//; # ending lines
1519
1520	$_
1521	}
1522
1523	sub hintmode {
1524	$_[0]{hintmode} = $_[1] if @_ > 1;
1525	$_[0]{hintmode}
1526	}
1527		1646
1528	=item $player->ext_reply ($msgid, @msg)	1647	=item $player->ext_reply ($msgid, @msg)
1529		1648
1530	Sends an ext reply to the player.	1649	Sends an ext reply to the player.
1531		1650
…		…
1598	our $MAX_RESET = 3600;	1717	our $MAX_RESET = 3600;
1599	our $DEFAULT_RESET = 3000;	1718	our $DEFAULT_RESET = 3000;
1600		1719
1601	sub generate_random_map {	1720	sub generate_random_map {
1602	my ($self, $rmp) = @_;	1721	my ($self, $rmp) = @_;
		1722
		1723	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1724
1603	# mit "rum" bekleckern, nicht	1725	# mit "rum" bekleckern, nicht
1604	$self->_create_random_map (	1726	$self->_create_random_map (
1605	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1727	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1606	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1728	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1607	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1729	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1729		1851
1730	# the temporary/swap location	1852	# the temporary/swap location
1731	sub save_path {	1853	sub save_path {
1732	my ($self) = @_;	1854	my ($self) = @_;
1733		1855
1734	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1856	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1735	"$TMPDIR/$path.map"	1857	"$TMPDIR/$path.map"
1736	}	1858	}
1737		1859
1738	# the unique path, undef == no special unique path	1860	# the unique path, undef == no special unique path
1739	sub uniq_path {	1861	sub uniq_path {
1740	my ($self) = @_;	1862	my ($self) = @_;
1741		1863
1742	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1864	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1743	"$UNIQUEDIR/$path"	1865	"$UNIQUEDIR/$path"
1744	}	1866	}
1745		1867
1746	# and all this just because we cannot iterate over	1868	# and all this just because we cannot iterate over
1747	# all maps in C++...	1869	# all maps in C++...
…		…
1841	sub find {	1963	sub find {
1842	my ($path, $origin) = @_;	1964	my ($path, $origin) = @_;
1843		1965
1844	$path = normalise $path, $origin && $origin->path;	1966	$path = normalise $path, $origin && $origin->path;
1845		1967
		1968	cf::lock_wait "map_data:$path";#d#remove
1846	cf::lock_wait "map_find:$path";	1969	cf::lock_wait "map_find:$path";
1847		1970
1848	$cf::MAP{$path} || do {	1971	$cf::MAP{$path} || do {
		1972	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1849	my $guard = cf::lock_acquire "map_find:$path";	1973	my $guard2 = cf::lock_acquire "map_find:$path";
		1974
1850	my $map = new_from_path cf::map $path	1975	my $map = new_from_path cf::map $path
1851	or return;	1976	or return;
1852		1977
1853	$map->{last_save} = $cf::RUNTIME;	1978	$map->{last_save} = $cf::RUNTIME;
1854		1979
…		…
1856	or return;	1981	or return;
1857		1982
1858	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1983	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1859	# doing this can freeze the server in a sync job, obviously	1984	# doing this can freeze the server in a sync job, obviously
1860	#$cf::WAIT_FOR_TICK->wait;	1985	#$cf::WAIT_FOR_TICK->wait;
		1986	undef $guard2;
		1987	undef $guard1;
1861	$map->reset;	1988	$map->reset;
1862	undef $guard;
1863	return find $path;	1989	return find $path;
1864	}	1990	}
1865		1991
1866	$cf::MAP{$path} = $map	1992	$cf::MAP{$path} = $map
1867	}	1993	}
…		…
1876	local $self->{deny_reset} = 1; # loading can take a long time	2002	local $self->{deny_reset} = 1; # loading can take a long time
1877		2003
1878	my $path = $self->{path};	2004	my $path = $self->{path};
1879		2005
1880	{	2006	{
1881	my $guard1 = cf::lock_acquire "map_data:$path";	2007	my $guard = cf::lock_acquire "map_data:$path";
1882	my $guard2 = cf::lock_acquire "map_load:$path";
1883		2008
		2009	return unless $self->valid;
1884	return if $self->in_memory != cf::MAP_SWAPPED;	2010	return unless $self->in_memory == cf::MAP_SWAPPED;
1885		2011
1886	$self->in_memory (cf::MAP_LOADING);	2012	$self->in_memory (cf::MAP_LOADING);
1887		2013
1888	$self->alloc;	2014	$self->alloc;
1889		2015
…		…
1893	my $f = new_from_file cf::object::thawer $self->{load_path};	2019	my $f = new_from_file cf::object::thawer $self->{load_path};
1894	$f->skip_block;	2020	$f->skip_block;
1895	$self->_load_objects ($f)	2021	$self->_load_objects ($f)
1896	or return;	2022	or return;
1897		2023
1898	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2024	$self->post_load_original
1899	if delete $self->{load_original};	2025	if delete $self->{load_original};
1900		2026
1901	if (my $uniq = $self->uniq_path) {	2027	if (my $uniq = $self->uniq_path) {
1902	utf8::encode $uniq;	2028	utf8::encode $uniq;
1903	unless (aio_stat $uniq) {	2029	unless (aio_stat $uniq) {
…		…
1929	}	2055	}
1930		2056
1931	$self->{last_save} = $cf::RUNTIME;	2057	$self->{last_save} = $cf::RUNTIME;
1932	$self->last_access ($cf::RUNTIME);	2058	$self->last_access ($cf::RUNTIME);
1933		2059
1934	$self->in_memory (cf::MAP_IN_MEMORY);	2060	$self->in_memory (cf::MAP_ACTIVE);
1935	}	2061	}
1936		2062
1937	$self->post_load;	2063	$self->post_load;
1938	}	2064	}
1939		2065
…		…
1997	my ($path, $origin, $load) = @_;	2123	my ($path, $origin, $load) = @_;
1998		2124
1999	$path = normalise $path, $origin && $origin->{path};	2125	$path = normalise $path, $origin && $origin->{path};
2000		2126
2001	if (my $map = $cf::MAP{$path}) {	2127	if (my $map = $cf::MAP{$path}) {
2002	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2128	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2003	}	2129	}
2004		2130
2005	$MAP_PREFETCH{$path} |= $load;	2131	$MAP_PREFETCH{$path} |= $load;
2006		2132
2007	$MAP_PREFETCHER ||= cf::async {	2133	$MAP_PREFETCHER ||= cf::async {
		2134	$Coro::current->{desc} = "map prefetcher";
		2135
2008	while (%MAP_PREFETCH) {	2136	while (%MAP_PREFETCH) {
2009	while (my ($k, $v) = each %MAP_PREFETCH) {	2137	while (my ($k, $v) = each %MAP_PREFETCH) {
2010	if (my $map = find $k) {	2138	if (my $map = find $k) {
2011	$map->load if $v;	2139	$map->load if $v;
2012	}	2140	}
…		…
2038	return if $self->{deny_save};	2166	return if $self->{deny_save};
2039		2167
2040	local $self->{last_access} = $self->last_access;#d#	2168	local $self->{last_access} = $self->last_access;#d#
2041		2169
2042	cf::async {	2170	cf::async {
		2171	$Coro::current->{desc} = "map player save";
2043	$_->contr->save for $self->players;	2172	$_->contr->save for $self->players;
2044	};	2173	};
		2174
		2175	cf::get_slot 0.02;
2045		2176
2046	if ($uniq) {	2177	if ($uniq) {
2047	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2178	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2048	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2179	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2049	} else {	2180	} else {
…		…
2058	$self->save;	2189	$self->save;
2059		2190
2060	my $lock = cf::lock_acquire "map_data:$self->{path}";	2191	my $lock = cf::lock_acquire "map_data:$self->{path}";
2061		2192
2062	return if $self->players;	2193	return if $self->players;
2063	return if $self->in_memory != cf::MAP_IN_MEMORY;	2194	return if $self->in_memory != cf::MAP_ACTIVE;
2064	return if $self->{deny_save};	2195	return if $self->{deny_save};
2065		2196
		2197	$self->in_memory (cf::MAP_SWAPPED);
		2198
		2199	$self->deactivate;
		2200	$_->clear_links_to ($self) for values %cf::MAP;
2066	$self->clear;	2201	$self->clear;
2067	$self->in_memory (cf::MAP_SWAPPED);
2068	}	2202	}
2069		2203
2070	sub reset_at {	2204	sub reset_at {
2071	my ($self) = @_;	2205	my ($self) = @_;
2072		2206
…		…
2104	if $uniq;	2238	if $uniq;
2105	}	2239	}
2106		2240
2107	delete $cf::MAP{$self->path};	2241	delete $cf::MAP{$self->path};
2108		2242
		2243	$self->deactivate;
		2244	$_->clear_links_to ($self) for values %cf::MAP;
2109	$self->clear;	2245	$self->clear;
2110
2111	$_->clear_links_to ($self) for values %cf::MAP;
2112		2246
2113	$self->unlink_save;	2247	$self->unlink_save;
2114	$self->destroy;	2248	$self->destroy;
2115	}	2249	}
2116		2250
…		…
2183		2317
2184	sub unique_maps() {	2318	sub unique_maps() {
2185	[	2319	[
2186	map {	2320	map {
2187	utf8::decode $_;	2321	utf8::decode $_;
2188	/\.map$/	2322	s/\.map$//; # TODO future compatibility hack
		2323	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2324	? ()
2189	? normalise $_	2325	: normalise $_
2190	: ()
2191	} @{ aio_readdir $UNIQUEDIR or [] }	2326	} @{ aio_readdir $UNIQUEDIR or [] }
2192	]	2327	]
2193	}	2328	}
2194		2329
2195	package cf;
2196
2197	=back	2330	=back
2198		2331
2199	=head3 cf::object	2332	=head3 cf::object
2200		2333
2201	=cut	2334	=cut
…		…
2204		2337
2205	=over 4	2338	=over 4
2206		2339
2207	=item $ob->inv_recursive	2340	=item $ob->inv_recursive
2208		2341
2209	Returns the inventory of the object _and_ their inventories, recursively.	2342	Returns the inventory of the object I<and> their inventories, recursively,
		2343	but I<not> the object itself.
2210		2344
2211	=cut	2345	=cut
2212		2346
2213	sub inv_recursive_;	2347	sub inv_recursive_;
2214	sub inv_recursive_ {	2348	sub inv_recursive_ {
…		…
2219	inv_recursive_ inv $_[0]	2353	inv_recursive_ inv $_[0]
2220	}	2354	}
2221		2355
2222	=item $ref = $ob->ref	2356	=item $ref = $ob->ref
2223		2357
2224	creates and returns a persistent reference to an objetc that can be stored as a string.	2358	Creates and returns a persistent reference to an object that can be stored as a string.
2225		2359
2226	=item $ob = cf::object::deref ($refstring)	2360	=item $ob = cf::object::deref ($refstring)
2227		2361
2228	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2362	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2229	even if the object actually exists. May block.	2363	even if the object actually exists. May block.
…		…
2231	=cut	2365	=cut
2232		2366
2233	sub deref {	2367	sub deref {
2234	my ($ref) = @_;	2368	my ($ref) = @_;
2235		2369
2236	# temporary compatibility#TODO#remove
2237	$ref =~ s{^<}{player/<};
2238
2239	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {	2370	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2240	my ($uuid, $name) = ($1, $2);	2371	my ($uuid, $name) = ($1, $2);
2241	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name	2372	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2242	or return;	2373	or return;
2243	$pl->ob->uuid eq $uuid	2374	$pl->ob->uuid eq $uuid
2244	or return;	2375	or return;
…		…
2264	can be C<undef>. Does the right thing when the player is currently in a	2395	can be C<undef>. Does the right thing when the player is currently in a
2265	dialogue with the given NPC character.	2396	dialogue with the given NPC character.
2266		2397
2267	=cut	2398	=cut
2268		2399
		2400	our $SAY_CHANNEL = {
		2401	id => "say",
		2402	title => "Map",
		2403	reply => "say ",
		2404	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2405	};
		2406
		2407	our $CHAT_CHANNEL = {
		2408	id => "chat",
		2409	title => "Chat",
		2410	reply => "chat ",
		2411	tooltip => "Player chat and shouts, global to the server.",
		2412	};
		2413
2269	# rough implementation of a future "reply" method that works	2414	# rough implementation of a future "reply" method that works
2270	# with dialog boxes.	2415	# with dialog boxes.
2271	#TODO: the first argument must go, split into a $npc->reply_to ( method	2416	#TODO: the first argument must go, split into a $npc->reply_to ( method
2272	sub cf::object::player::reply($$$;$) {	2417	sub cf::object::player::reply($$$;$) {
2273	my ($self, $npc, $msg, $flags) = @_;	2418	my ($self, $npc, $msg, $flags) = @_;
…		…
2284	my $dialog = $pl->{npc_dialog};	2429	my $dialog = $pl->{npc_dialog};
2285	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2430	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2286		2431
2287	} else {	2432	} else {
2288	$msg = $npc->name . " says: $msg" if $npc;	2433	$msg = $npc->name . " says: $msg" if $npc;
2289	$self->message ($msg, $flags);	2434	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2290	}	2435	}
2291	}	2436	}
2292	}	2437	}
2293		2438
2294	=item $object->send_msg ($channel, $msg, $color, [extra...])	2439	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2319		2464
2320	=item $player_object->enter_link	2465	=item $player_object->enter_link
2321		2466
2322	Freezes the player and moves him/her to a special map (C<{link}>).	2467	Freezes the player and moves him/her to a special map (C<{link}>).
2323		2468
2324	The player should be reasonably safe there for short amounts of time. You	2469	The player should be reasonably safe there for short amounts of time (e.g.
2325	I<MUST> call C<leave_link> as soon as possible, though.	2470	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2471	though, as the palyer cannot control the character while it is on the link
		2472	map.
2326		2473
2327	Will never block.	2474	Will never block.
2328		2475
2329	=item $player_object->leave_link ($map, $x, $y)	2476	=item $player_object->leave_link ($map, $x, $y)
2330		2477
…		…
2388		2535
2389	$map->load;	2536	$map->load;
2390	$map->load_neighbours;	2537	$map->load_neighbours;
2391		2538
2392	return unless $self->contr->active;	2539	return unless $self->contr->active;
		2540	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2393	$self->activate_recursive;	2541	$self->activate_recursive;
2394		2542
2395	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2543	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2396	$self->enter_map ($map, $x, $y);	2544	$self->enter_map ($map, $x, $y);
2397	}	2545	}
…		…
2402	her, loading and preparing them map, calling the provided $check callback	2550	her, loading and preparing them map, calling the provided $check callback
2403	that has to return the map if sucecssful, and then unfreezes the player on	2551	that has to return the map if sucecssful, and then unfreezes the player on
2404	the new (success) or old (failed) map position. In either case, $done will	2552	the new (success) or old (failed) map position. In either case, $done will
2405	be called at the end of this process.	2553	be called at the end of this process.
2406		2554
		2555	Note that $check will be called with a potentially non-loaded map, so if
		2556	it needs a loaded map it has to call C<< ->load >>.
		2557
2407	=cut	2558	=cut
2408		2559
2409	our $GOTOGEN;	2560	our $GOTOGEN;
2410		2561
2411	sub cf::object::player::goto {	2562	sub cf::object::player::goto {
…		…
2415	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2566	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2416		2567
2417	$self->enter_link;	2568	$self->enter_link;
2418		2569
2419	(async {	2570	(async {
		2571	$Coro::current->{desc} = "player::goto $path $x $y";
		2572
		2573	# *tag paths override both path and x|y
		2574	if ($path =~ /^\*(.*)$/) {
		2575	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2576	my $ob = $obs[rand @obs];
		2577
		2578	# see if we actually can go there
		2579	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2580	$ob = $obs[rand @obs];
		2581	} else {
		2582	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2583	}
		2584	# else put us there anyways for now #d#
		2585
		2586	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2587	} else {
		2588	($path, $x, $y) = (undef, undef, undef);
		2589	}
		2590	}
		2591
2420	my $map = eval {	2592	my $map = eval {
2421	my $map = cf::map::find $path;	2593	my $map = defined $path ? cf::map::find $path : undef;
2422		2594
2423	if ($map) {	2595	if ($map) {
2424	$map = $map->customise_for ($self);	2596	$map = $map->customise_for ($self);
2425	$map = $check->($map) if $check && $map;	2597	$map = $check->($map) if $check && $map;
2426	} else {	2598	} else {
2427	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2599	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2428	}	2600	}
2429		2601
2430	$map	2602	$map
2431	};	2603	};
2432		2604
…		…
2468	}	2640	}
2469		2641
2470	sub prepare_random_map {	2642	sub prepare_random_map {
2471	my ($exit) = @_;	2643	my ($exit) = @_;
2472		2644
2473	my $guard = cf::lock_acquire "exit_prepare:$exit";
2474
2475	# all this does is basically replace the /! path by	2645	# all this does is basically replace the /! path by
2476	# a new random map path (?random/...) with a seed	2646	# a new random map path (?random/...) with a seed
2477	# that depends on the exit object	2647	# that depends on the exit object
2478		2648
2479	my $rmp = parse_random_map_params $exit->msg;	2649	my $rmp = parse_random_map_params $exit->msg;
…		…
2481	if ($exit->map) {	2651	if ($exit->map) {
2482	$rmp->{region} = $exit->region->name;	2652	$rmp->{region} = $exit->region->name;
2483	$rmp->{origin_map} = $exit->map->path;	2653	$rmp->{origin_map} = $exit->map->path;
2484	$rmp->{origin_x} = $exit->x;	2654	$rmp->{origin_x} = $exit->x;
2485	$rmp->{origin_y} = $exit->y;	2655	$rmp->{origin_y} = $exit->y;
		2656
		2657	$exit->map->touch;
2486	}	2658	}
2487		2659
2488	$rmp->{random_seed} ||= $exit->random_seed;	2660	$rmp->{random_seed} ||= $exit->random_seed;
2489		2661
2490	my $data = cf::to_json $rmp;	2662	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2491	my $md5 = Digest::MD5::md5_hex $data;	2663	my $md5 = Digest::MD5::md5_hex $data;
2492	my $meta = "$RANDOMDIR/$md5.meta";	2664	my $meta = "$RANDOMDIR/$md5.meta";
2493		2665
2494	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2666	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2495	aio_write $fh, 0, (length $data), $data, 0;	2667	aio_write $fh, 0, (length $data), $data, 0;
2496	undef $fh;	2668	undef $fh;
2497	aio_rename "$meta~", $meta;	2669	aio_rename "$meta~", $meta;
2498		2670
		2671	my $slaying = "?random/$md5";
		2672
		2673	if ($exit->valid) {
2499	$exit->slaying ("?random/$md5");	2674	$exit->slaying ("?random/$md5");
2500	$exit->msg (undef);	2675	$exit->msg (undef);
		2676	}
2501	}	2677	}
2502	}	2678	}
2503		2679
2504	sub cf::object::player::enter_exit {	2680	sub cf::object::player::enter_exit {
2505	my ($self, $exit) = @_;	2681	my ($self, $exit) = @_;
2506		2682
2507	return unless $self->type == cf::PLAYER;	2683	return unless $self->type == cf::PLAYER;
2508		2684
2509	if ($exit->slaying eq "/!") {
2510	#TODO: this should de-fi-ni-te-ly not be a sync-job
2511	# the problem is that $exit might not survive long enough
2512	# so it needs to be done right now, right here
2513	cf::sync_job { prepare_random_map $exit };
2514	}
2515
2516	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2517	my $hp = $exit->stats->hp;
2518	my $sp = $exit->stats->sp;
2519
2520	$self->enter_link;	2685	$self->enter_link;
2521		2686
2522	# if exit is damned, update players death & WoR home-position
2523	$self->contr->savebed ($slaying, $hp, $sp)
2524	if $exit->flag (FLAG_DAMNED);
2525
2526	(async {	2687	(async {
2527	$self->deactivate_recursive; # just to be sure	2688	$Coro::current->{desc} = "enter_exit";
		2689
2528	unless (eval {	2690	unless (eval {
		2691	$self->deactivate_recursive; # just to be sure
		2692
		2693	# random map handling
		2694	{
		2695	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2696
		2697	prepare_random_map $exit
		2698	if $exit->slaying eq "/!";
		2699	}
		2700
		2701	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2702	my $x = $exit->stats->hp;
		2703	my $y = $exit->stats->sp;
		2704
2529	$self->goto ($slaying, $hp, $sp);	2705	$self->goto ($map, $x, $y);
2530		2706
		2707	# if exit is damned, update players death & WoR home-position
		2708	$self->contr->savebed ($map, $x, $y)
		2709	if $exit->flag (cf::FLAG_DAMNED);
		2710
2531	1;	2711	1
2532	}) {	2712	}) {
2533	$self->message ("Something went wrong deep within the crossfire server. "	2713	$self->message ("Something went wrong deep within the deliantra server. "
2534	. "I'll try to bring you back to the map you were before. "	2714	. "I'll try to bring you back to the map you were before. "
2535	. "Please report this to the dungeon master!",	2715	. "Please report this to the dungeon master!",
2536	cf::NDI_UNIQUE | cf::NDI_RED);	2716	cf::NDI_UNIQUE | cf::NDI_RED);
2537		2717
2538	warn "ERROR in enter_exit: $@";	2718	warn "ERROR in enter_exit: $@";
…		…
2566	the message, with C<log> being the default. If C<$color> is negative, suppress	2746	the message, with C<log> being the default. If C<$color> is negative, suppress
2567	the message unless the client supports the msg packet.	2747	the message unless the client supports the msg packet.
2568		2748
2569	=cut	2749	=cut
2570		2750
		2751	# non-persistent channels (usually the info channel)
2571	our %CHANNEL = (	2752	our %CHANNEL = (
2572	"c/identify" => {	2753	"c/identify" => {
2573	id => "identify",	2754	id => "infobox",
2574	title => "Identify",	2755	title => "Identify",
2575	reply => undef,	2756	reply => undef,
2576	tooltip => "Items recently identified",	2757	tooltip => "Items recently identified",
2577	},	2758	},
2578	"c/examine" => {	2759	"c/examine" => {
2579	id => "examine",	2760	id => "infobox",
2580	title => "Examine",	2761	title => "Examine",
2581	reply => undef,	2762	reply => undef,
2582	tooltip => "Signs and other items you examined",	2763	tooltip => "Signs and other items you examined",
2583	},	2764	},
		2765	"c/book" => {
		2766	id => "infobox",
		2767	title => "Book",
		2768	reply => undef,
		2769	tooltip => "The contents of a note or book",
		2770	},
		2771	"c/lookat" => {
		2772	id => "infobox",
		2773	title => "Look",
		2774	reply => undef,
		2775	tooltip => "What you saw there",
		2776	},
		2777	"c/who" => {
		2778	id => "infobox",
		2779	title => "Players",
		2780	reply => undef,
		2781	tooltip => "Shows players who are currently online",
		2782	},
		2783	"c/body" => {
		2784	id => "infobox",
		2785	title => "Body Parts",
		2786	reply => undef,
		2787	tooltip => "Shows which body parts you posess and are available",
		2788	},
		2789	"c/uptime" => {
		2790	id => "infobox",
		2791	title => "Uptime",
		2792	reply => undef,
		2793	tooltip => "How long the server has been running since last restart",
		2794	},
		2795	"c/mapinfo" => {
		2796	id => "infobox",
		2797	title => "Map Info",
		2798	reply => undef,
		2799	tooltip => "Information related to the maps",
		2800	},
		2801	"c/party" => {
		2802	id => "party",
		2803	title => "Party",
		2804	reply => "gsay ",
		2805	tooltip => "Messages and chat related to your party",
		2806	},
2584	);	2807	);
2585		2808
2586	sub cf::client::send_msg {	2809	sub cf::client::send_msg {
2587	my ($self, $channel, $msg, $color, @extra) = @_;	2810	my ($self, $channel, $msg, $color, @extra) = @_;
2588		2811
2589	$msg = $self->pl->expand_cfpod ($msg);	2812	$msg = $self->pl->expand_cfpod ($msg)
		2813	unless $color & cf::NDI_VERBATIM;
2590		2814
2591	$color &= cf::NDI_CLIENT_MASK; # just in case...	2815	$color &= cf::NDI_CLIENT_MASK; # just in case...
2592		2816
2593	# check predefined channels, for the benefit of C	2817	# check predefined channels, for the benefit of C
2594	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};	2818	if ($CHANNEL{$channel}) {
		2819	$channel = $CHANNEL{$channel};
2595		2820
		2821	$self->ext_msg (channel_info => $channel)
		2822	if $self->can_msg;
		2823
		2824	$channel = $channel->{id};
		2825
2596	if (ref $channel) {	2826	} elsif (ref $channel) {
2597	# send meta info to client, if not yet sent	2827	# send meta info to client, if not yet sent
2598	unless (exists $self->{channel}{$channel->{id}}) {	2828	unless (exists $self->{channel}{$channel->{id}}) {
2599	$self->{channel}{$channel->{id}} = $channel;	2829	$self->{channel}{$channel->{id}} = $channel;
2600	$self->ext_msg (channel_info => $channel)	2830	$self->ext_msg (channel_info => $channel)
2601	if $self->can_msg;	2831	if $self->can_msg;
…		…
2609	if ($self->can_msg) {	2839	if ($self->can_msg) {
2610	# default colour, mask it out	2840	# default colour, mask it out
2611	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2841	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2612	if $color & cf::NDI_DEF;	2842	if $color & cf::NDI_DEF;
2613		2843
2614	$self->send_packet ("msg " . $self->{json_coder}->encode (	2844	my $pkt = "msg "
		2845	. $self->{json_coder}->encode (
2615	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2846	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2847	);
		2848
		2849	# try lzf for large packets
		2850	$pkt = "lzf " . Compress::LZF::compress $pkt
		2851	if 1024 <= length $pkt and $self->{can_lzf};
		2852
		2853	# split very large packets
		2854	if (8192 < length $pkt and $self->{can_lzf}) {
		2855	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2856	$pkt = "frag";
		2857	}
		2858
		2859	$self->send_packet ($pkt);
2616	} else {	2860	} else {
2617	if ($color >= 0) {	2861	if ($color >= 0) {
2618	# replace some tags by gcfclient-compatible ones	2862	# replace some tags by gcfclient-compatible ones
2619	for ($msg) {	2863	for ($msg) {
2620	1 while	2864	1 while
…		…
2818	=pod	3062	=pod
2819		3063
2820	The following functions and methods are available within a safe environment:	3064	The following functions and methods are available within a safe environment:
2821		3065
2822	cf::object	3066	cf::object
2823	contr pay_amount pay_player map x y force_find force_add	3067	contr pay_amount pay_player map x y force_find force_add destroy
2824	insert remove name archname title slaying race decrease_ob_nr	3068	insert remove name archname title slaying race decrease split
2825		3069
2826	cf::object::player	3070	cf::object::player
2827	player	3071	player
2828		3072
2829	cf::player	3073	cf::player
…		…
2834		3078
2835	=cut	3079	=cut
2836		3080
2837	for (	3081	for (
2838	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3082	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2839	insert remove inv name archname title slaying race	3083	insert remove inv nrof name archname title slaying race
2840	decrease_ob_nr)],	3084	decrease split destroy change_exp)],
2841	["cf::object::player" => qw(player)],	3085	["cf::object::player" => qw(player)],
2842	["cf::player" => qw(peaceful)],	3086	["cf::player" => qw(peaceful)],
2843	["cf::map" => qw(trigger)],	3087	["cf::map" => qw(trigger)],
2844	) {	3088	) {
2845	no strict 'refs';	3089	no strict 'refs';
…		…
2950	{	3194	{
2951	my $faces = $facedata->{faceinfo};	3195	my $faces = $facedata->{faceinfo};
2952		3196
2953	while (my ($face, $info) = each %$faces) {	3197	while (my ($face, $info) = each %$faces) {
2954	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3198	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3199
2955	cf::face::set_visibility $idx, $info->{visibility};	3200	cf::face::set_visibility $idx, $info->{visibility};
2956	cf::face::set_magicmap $idx, $info->{magicmap};	3201	cf::face::set_magicmap $idx, $info->{magicmap};
2957	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3202	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2958	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3203	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2959		3204
2960	cf::cede_to_tick;	3205	cf::cede_to_tick;
2961	}	3206	}
2962		3207
2963	while (my ($face, $info) = each %$faces) {	3208	while (my ($face, $info) = each %$faces) {
2964	next unless $info->{smooth};	3209	next unless $info->{smooth};
		3210
2965	my $idx = cf::face::find $face	3211	my $idx = cf::face::find $face
2966	or next;	3212	or next;
		3213
2967	if (my $smooth = cf::face::find $info->{smooth}) {	3214	if (my $smooth = cf::face::find $info->{smooth}) {
2968	cf::face::set_smooth $idx, $smooth;	3215	cf::face::set_smooth $idx, $smooth;
2969	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3216	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2970	} else {	3217	} else {
2971	warn "smooth face '$info->{smooth}' not found for face '$face'";	3218	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2989	{	3236	{
2990	# TODO: for gcfclient pleasure, we should give resources	3237	# TODO: for gcfclient pleasure, we should give resources
2991	# that gcfclient doesn't grok a >10000 face index.	3238	# that gcfclient doesn't grok a >10000 face index.
2992	my $res = $facedata->{resource};	3239	my $res = $facedata->{resource};
2993		3240
2994	my $soundconf = delete $res->{"res/sound.conf"};
2995
2996	while (my ($name, $info) = each %$res) {	3241	while (my ($name, $info) = each %$res) {
		3242	if (defined $info->{type}) {
2997	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3243	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2998	my $data;	3244	my $data;
2999		3245
3000	if ($info->{type} & 1) {	3246	if ($info->{type} & 1) {
3001	# prepend meta info	3247	# prepend meta info
3002		3248
3003	my $meta = $enc->encode ({	3249	my $meta = $enc->encode ({
3004	name => $name,	3250	name => $name,
3005	%{ $info->{meta} || {} },	3251	%{ $info->{meta} || {} },
3006	});	3252	});
3007		3253
3008	$data = pack "(w/a*)*", $meta, $info->{data};	3254	$data = pack "(w/a*)*", $meta, $info->{data};
		3255	} else {
		3256	$data = $info->{data};
		3257	}
		3258
		3259	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3260	cf::face::set_type $idx, $info->{type};
3009	} else {	3261	} else {
3010	$data = $info->{data};	3262	$RESOURCE{$name} = $info;
3011	}	3263	}
3012		3264
3013	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3014	cf::face::set_type $idx, $info->{type};
3015
3016	cf::cede_to_tick;	3265	cf::cede_to_tick;
3017	}	3266	}
3018
3019	if ($soundconf) {
3020	$soundconf = $enc->decode (delete $soundconf->{data});
3021
3022	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3023	my $sound = $soundconf->{compat}[$_]
3024	or next;
3025
3026	my $face = cf::face::find "sound/$sound->[1]";
3027	cf::sound::set $sound->[0] => $face;
3028	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3029	}
3030
3031	while (my ($k, $v) = each %{$soundconf->{event}}) {
3032	my $face = cf::face::find "sound/$v";
3033	cf::sound::set $k => $face;
3034	}
3035	}
3036	}	3267	}
		3268
		3269	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3037		3270
3038	1	3271	1
3039	}	3272	}
		3273
		3274	cf::global->attach (on_resource_update => sub {
		3275	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3276	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3277
		3278	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3279	my $sound = $soundconf->{compat}[$_]
		3280	or next;
		3281
		3282	my $face = cf::face::find "sound/$sound->[1]";
		3283	cf::sound::set $sound->[0] => $face;
		3284	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3285	}
		3286
		3287	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3288	my $face = cf::face::find "sound/$v";
		3289	cf::sound::set $k => $face;
		3290	}
		3291	}
		3292	});
3040		3293
3041	register_exticmd fx_want => sub {	3294	register_exticmd fx_want => sub {
3042	my ($ns, $want) = @_;	3295	my ($ns, $want) = @_;
3043		3296
3044	while (my ($k, $v) = each %$want) {	3297	while (my ($k, $v) = each %$want) {
3045	$ns->fx_want ($k, $v);	3298	$ns->fx_want ($k, $v);
3046	}	3299	}
3047	};	3300	};
		3301
		3302	sub load_resource_file($) {
		3303	my $guard = lock_acquire "load_resource_file";
		3304
		3305	my $status = load_resource_file_ $_[0];
		3306	get_slot 0.1, 100;
		3307	cf::arch::commit_load;
		3308
		3309	$status
		3310	}
3048		3311
3049	sub reload_regions {	3312	sub reload_regions {
3050	# HACK to clear player env face cache, we need some signal framework	3313	# HACK to clear player env face cache, we need some signal framework
3051	# for this (global event?)	3314	# for this (global event?)
3052	%ext::player_env::MUSIC_FACE_CACHE = ();	3315	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3066	}	3329	}
3067		3330
3068	sub reload_archetypes {	3331	sub reload_archetypes {
3069	load_resource_file "$DATADIR/archetypes"	3332	load_resource_file "$DATADIR/archetypes"
3070	or die "unable to load archetypes\n";	3333	or die "unable to load archetypes\n";
3071	#d# NEED to laod twice to resolve forward references
3072	# this really needs to be done in an extra post-pass
3073	# (which needs to be synchronous, so solve it differently)
3074	load_resource_file "$DATADIR/archetypes"
3075	or die "unable to load archetypes\n";
3076	}	3334	}
3077		3335
3078	sub reload_treasures {	3336	sub reload_treasures {
3079	load_resource_file "$DATADIR/treasures"	3337	load_resource_file "$DATADIR/treasures"
3080	or die "unable to load treasurelists\n";	3338	or die "unable to load treasurelists\n";
3081	}	3339	}
3082		3340
3083	sub reload_resources {	3341	sub reload_resources {
3084	warn "reloading resource files...\n";	3342	warn "reloading resource files...\n";
3085		3343
		3344	reload_facedata;
		3345	reload_archetypes;
3086	reload_regions;	3346	reload_regions;
3087	reload_facedata;
3088	#reload_archetypes;#d#
3089	reload_archetypes;
3090	reload_treasures;	3347	reload_treasures;
3091		3348
3092	warn "finished reloading resource files\n";	3349	warn "finished reloading resource files\n";
3093	}	3350	}
3094		3351
3095	sub init {	3352	sub init {
		3353	my $guard = freeze_mainloop;
		3354
		3355	evthread_start IO::AIO::poll_fileno;
		3356
3096	reload_resources;	3357	reload_resources;
3097	}	3358	}
3098		3359
3099	sub reload_config {	3360	sub reload_config {
3100	open my $fh, "<:utf8", "$CONFDIR/config"	3361	open my $fh, "<:utf8", "$CONFDIR/config"
3101	or return;	3362	or return;
3102		3363
3103	local $/;	3364	local $/;
3104	*CFG = YAML::Syck::Load <$fh>;	3365	*CFG = YAML::Load <$fh>;
3105		3366
3106	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3367	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3107		3368
3108	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3369	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3109	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3370	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3115	};	3376	};
3116	warn $@ if $@;	3377	warn $@ if $@;
3117	}	3378	}
3118	}	3379	}
3119		3380
		3381	sub pidfile() {
		3382	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3383	or die "$PIDFILE: $!";
		3384	flock $fh, &Fcntl::LOCK_EX
		3385	or die "$PIDFILE: flock: $!";
		3386	$fh
		3387	}
		3388
		3389	# make sure only one server instance is running at any one time
		3390	sub atomic {
		3391	my $fh = pidfile;
		3392
		3393	my $pid = <$fh>;
		3394	kill 9, $pid if $pid > 0;
		3395
		3396	seek $fh, 0, 0;
		3397	print $fh $$;
		3398	}
		3399
3120	sub main {	3400	sub main {
		3401	atomic;
		3402
3121	# we must not ever block the main coroutine	3403	# we must not ever block the main coroutine
3122	local $Coro::idle = sub {	3404	local $Coro::idle = sub {
3123	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3405	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3124	(async {	3406	(async {
3125	Event::one_event;	3407	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3408	EV::loop EV::LOOP_ONESHOT;
3126	})->prio (Coro::PRIO_MAX);	3409	})->prio (Coro::PRIO_MAX);
3127	};	3410	};
3128		3411
		3412	{
		3413	my $guard = freeze_mainloop;
3129	reload_config;	3414	reload_config;
3130	db_init;	3415	db_init;
3131	load_extensions;	3416	load_extensions;
3132		3417
3133	$TICK_WATCHER->start;	3418	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3419	}
		3420
		3421	utime time, time, $RUNTIMEFILE;
		3422
		3423	# no (long-running) fork's whatsoever before this point(!)
		3424	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3425
3134	Event::loop;	3426	EV::loop;
3135	}	3427	}
3136		3428
3137	#############################################################################	3429	#############################################################################
3138	# initialisation and cleanup	3430	# initialisation and cleanup
3139		3431
3140	# install some emergency cleanup handlers	3432	# install some emergency cleanup handlers
3141	BEGIN {	3433	BEGIN {
		3434	our %SIGWATCHER = ();
3142	for my $signal (qw(INT HUP TERM)) {	3435	for my $signal (qw(INT HUP TERM)) {
3143	Event->signal (	3436	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3144	reentrant => 0,
3145	data => WF_AUTOCANCEL,
3146	signal => $signal,
3147	prio => 0,
3148	cb => sub {
3149	cf::cleanup "SIG$signal";	3437	cf::cleanup "SIG$signal";
3150	},
3151	);	3438	};
3152	}	3439	}
3153	}	3440	}
3154		3441
3155	sub write_runtime {	3442	sub write_runtime_sync {
3156	my $runtime = "$LOCALDIR/runtime";
3157
3158	# first touch the runtime file to show we are still running:	3443	# first touch the runtime file to show we are still running:
3159	# the fsync below can take a very very long time.	3444	# the fsync below can take a very very long time.
3160		3445
3161	IO::AIO::aio_utime $runtime, undef, undef;	3446	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3162		3447
3163	my $guard = cf::lock_acquire "write_runtime";	3448	my $guard = cf::lock_acquire "write_runtime";
3164		3449
3165	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3450	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3166	or return;	3451	or return;
3167		3452
3168	my $value = $cf::RUNTIME + 90 + 10;	3453	my $value = $cf::RUNTIME + 90 + 10;
3169	# 10 is the runtime save interval, for a monotonic clock	3454	# 10 is the runtime save interval, for a monotonic clock
3170	# 60 allows for the watchdog to kill the server.	3455	# 60 allows for the watchdog to kill the server.
…		…
3180	aio_utime $fh, undef, undef;	3465	aio_utime $fh, undef, undef;
3181		3466
3182	close $fh	3467	close $fh
3183	or return;	3468	or return;
3184		3469
3185	aio_rename "$runtime~", $runtime	3470	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3186	and return;	3471	and return;
3187		3472
3188	warn "runtime file written.\n";	3473	warn "runtime file written.\n";
3189		3474
3190	1	3475	1
		3476	}
		3477
		3478	our $uuid_lock;
		3479	our $uuid_skip;
		3480
		3481	sub write_uuid_sync($) {
		3482	$uuid_skip ||= $_[0];
		3483
		3484	return if $uuid_lock;
		3485	local $uuid_lock = 1;
		3486
		3487	my $uuid = "$LOCALDIR/uuid";
		3488
		3489	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3490	or return;
		3491
		3492	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3493	$uuid_skip = 0;
		3494
		3495	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3496	and return;
		3497
		3498	# always fsync - this file is important
		3499	aio_fsync $fh
		3500	and return;
		3501
		3502	close $fh
		3503	or return;
		3504
		3505	aio_rename "$uuid~", $uuid
		3506	and return;
		3507
		3508	warn "uuid file written ($value).\n";
		3509
		3510	1
		3511
		3512	}
		3513
		3514	sub write_uuid($$) {
		3515	my ($skip, $sync) = @_;
		3516
		3517	$sync ? write_uuid_sync $skip
		3518	: async { write_uuid_sync $skip };
3191	}	3519	}
3192		3520
3193	sub emergency_save() {	3521	sub emergency_save() {
3194	my $freeze_guard = cf::freeze_mainloop;	3522	my $freeze_guard = cf::freeze_mainloop;
3195		3523
…		…
3201	# and maps saved/destroyed asynchronously.	3529	# and maps saved/destroyed asynchronously.
3202	warn "begin emergency player save\n";	3530	warn "begin emergency player save\n";
3203	for my $login (keys %cf::PLAYER) {	3531	for my $login (keys %cf::PLAYER) {
3204	my $pl = $cf::PLAYER{$login} or next;	3532	my $pl = $cf::PLAYER{$login} or next;
3205	$pl->valid or next;	3533	$pl->valid or next;
		3534	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3206	$pl->save;	3535	$pl->save;
3207	}	3536	}
3208	warn "end emergency player save\n";	3537	warn "end emergency player save\n";
3209		3538
3210	warn "begin emergency map save\n";	3539	warn "begin emergency map save\n";
…		…
3216	warn "end emergency map save\n";	3545	warn "end emergency map save\n";
3217		3546
3218	warn "begin emergency database checkpoint\n";	3547	warn "begin emergency database checkpoint\n";
3219	BDB::db_env_txn_checkpoint $DB_ENV;	3548	BDB::db_env_txn_checkpoint $DB_ENV;
3220	warn "end emergency database checkpoint\n";	3549	warn "end emergency database checkpoint\n";
		3550
		3551	warn "begin write uuid\n";
		3552	write_uuid_sync 1;
		3553	warn "end write uuid\n";
3221	};	3554	};
3222		3555
3223	warn "leave emergency perl save\n";	3556	warn "leave emergency perl save\n";
3224	}	3557	}
3225		3558
3226	sub post_cleanup {	3559	sub post_cleanup {
3227	my ($make_core) = @_;	3560	my ($make_core) = @_;
3228		3561
3229	warn Carp::longmess "post_cleanup backtrace"	3562	warn Carp::longmess "post_cleanup backtrace"
3230	if $make_core;	3563	if $make_core;
		3564
		3565	my $fh = pidfile;
		3566	unlink $PIDFILE if <$fh> == $$;
3231	}	3567	}
		3568
		3569	# a safer delete_package, copied from Symbol
		3570	sub clear_package($) {
		3571	my $pkg = shift;
		3572
		3573	# expand to full symbol table name if needed
		3574	unless ($pkg =~ /^main::.*::$/) {
		3575	$pkg = "main$pkg" if $pkg =~ /^::/;
		3576	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3577	$pkg .= '::' unless $pkg =~ /::$/;
		3578	}
		3579
		3580	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3581	my $stem_symtab = *{$stem}{HASH};
		3582
		3583	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3584	or return;
		3585
		3586	# clear all symbols
		3587	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3588	for my $name (keys %$leaf_symtab) {
		3589	_gv_clear *{"$pkg$name"};
		3590	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3591	}
		3592	warn "cleared package #$pkg\n";#d#
		3593	}
		3594
		3595	our $RELOAD; # how many times to reload
3232		3596
3233	sub do_reload_perl() {	3597	sub do_reload_perl() {
3234	# can/must only be called in main	3598	# can/must only be called in main
3235	if ($Coro::current != $Coro::main) {	3599	if ($Coro::current != $Coro::main) {
3236	warn "can only reload from main coroutine";	3600	warn "can only reload from main coroutine";
3237	return;	3601	return;
3238	}	3602	}
3239		3603
		3604	return if $RELOAD++;
		3605
		3606	while ($RELOAD) {
3240	warn "reloading...";	3607	warn "reloading...";
3241		3608
3242	warn "entering sync_job";	3609	warn "entering sync_job";
3243		3610
3244	cf::sync_job {	3611	cf::sync_job {
3245	cf::write_runtime; # external watchdog should not bark	3612	cf::write_runtime_sync; # external watchdog should not bark
3246	cf::emergency_save;	3613	cf::emergency_save;
3247	cf::write_runtime; # external watchdog should not bark	3614	cf::write_runtime_sync; # external watchdog should not bark
3248		3615
3249	warn "syncing database to disk";	3616	warn "syncing database to disk";
3250	BDB::db_env_txn_checkpoint $DB_ENV;	3617	BDB::db_env_txn_checkpoint $DB_ENV;
3251		3618
3252	# if anything goes wrong in here, we should simply crash as we already saved	3619	# if anything goes wrong in here, we should simply crash as we already saved
3253		3620
3254	warn "cancelling all WF_AUTOCANCEL watchers";
3255	for (Event::all_watchers) {
3256	$_->cancel if $_->data & WF_AUTOCANCEL;
3257	}
3258
3259	warn "flushing outstanding aio requests";	3621	warn "flushing outstanding aio requests";
3260	for (;;) {
3261	BDB::flush;
3262	IO::AIO::flush;
3263	Coro::cede;
3264	last unless IO::AIO::nreqs || BDB::nreqs;	3622	while (IO::AIO::nreqs || BDB::nreqs) {
3265	warn "iterate...";	3623	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3266	}
3267
3268	++$RELOAD;
3269
3270	warn "cancelling all extension coros";
3271	$_->cancel for values %EXT_CORO;
3272	%EXT_CORO = ();
3273
3274	warn "removing commands";
3275	%COMMAND = ();
3276
3277	warn "removing ext/exti commands";
3278	%EXTCMD = ();
3279	%EXTICMD = ();
3280
3281	warn "unloading/nuking all extensions";
3282	for my $pkg (@EXTS) {
3283	warn "... unloading $pkg";
3284
3285	if (my $cb = $pkg->can ("unload")) {
3286	eval {
3287	$cb->($pkg);
3288	1
3289	} or warn "$pkg unloaded, but with errors: $@";
3290	}	3624	}
3291		3625
3292	warn "... nuking $pkg";	3626	warn "cancelling all extension coros";
3293	Symbol::delete_package $pkg;	3627	$_->cancel for values %EXT_CORO;
3294	}	3628	%EXT_CORO = ();
3295		3629
3296	warn "unloading all perl modules loaded from $LIBDIR";	3630	warn "removing commands";
3297	while (my ($k, $v) = each %INC) {	3631	%COMMAND = ();
3298	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3299		3632
		3633	warn "removing ext/exti commands";
		3634	%EXTCMD = ();
		3635	%EXTICMD = ();
		3636
		3637	warn "unloading/nuking all extensions";
		3638	for my $pkg (@EXTS) {
3300	warn "... unloading $k";	3639	warn "... unloading $pkg";
3301	delete $INC{$k};
3302		3640
3303	$k =~ s/\.pm$//;
3304	$k =~ s/\//::/g;
3305
3306	if (my $cb = $k->can ("unload_module")) {	3641	if (my $cb = $pkg->can ("unload")) {
		3642	eval {
3307	$cb->();	3643	$cb->($pkg);
		3644	1
		3645	} or warn "$pkg unloaded, but with errors: $@";
		3646	}
		3647
		3648	warn "... clearing $pkg";
		3649	clear_package $pkg;
3308	}	3650	}
3309		3651
3310	Symbol::delete_package $k;	3652	warn "unloading all perl modules loaded from $LIBDIR";
		3653	while (my ($k, $v) = each %INC) {
		3654	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3655
		3656	warn "... unloading $k";
		3657	delete $INC{$k};
		3658
		3659	$k =~ s/\.pm$//;
		3660	$k =~ s/\//::/g;
		3661
		3662	if (my $cb = $k->can ("unload_module")) {
		3663	$cb->();
		3664	}
		3665
		3666	clear_package $k;
3311	}	3667	}
3312		3668
3313	warn "getting rid of safe::, as good as possible";	3669	warn "getting rid of safe::, as good as possible";
3314	Symbol::delete_package "safe::$_"	3670	clear_package "safe::$_"
3315	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3671	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3316		3672
3317	warn "unloading cf.pm \"a bit\"";	3673	warn "unloading cf.pm \"a bit\"";
3318	delete $INC{"cf.pm"};	3674	delete $INC{"cf.pm"};
3319	delete $INC{"cf/pod.pm"};	3675	delete $INC{"cf/pod.pm"};
3320		3676
3321	# don't, removes xs symbols, too,	3677	# don't, removes xs symbols, too,
3322	# and global variables created in xs	3678	# and global variables created in xs
3323	#Symbol::delete_package __PACKAGE__;	3679	#clear_package __PACKAGE__;
3324		3680
3325	warn "unload completed, starting to reload now";	3681	warn "unload completed, starting to reload now";
3326		3682
3327	warn "reloading cf.pm";	3683	warn "reloading cf.pm";
3328	require cf;	3684	require cf;
3329	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3685	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3330		3686
3331	warn "loading config and database again";	3687	warn "loading config and database again";
3332	cf::reload_config;	3688	cf::reload_config;
3333		3689
3334	warn "loading extensions";	3690	warn "loading extensions";
3335	cf::load_extensions;	3691	cf::load_extensions;
3336		3692
3337	warn "reattaching attachments to objects/players";	3693	warn "reattaching attachments to objects/players";
3338	_global_reattach; # objects, sockets	3694	_global_reattach; # objects, sockets
3339	warn "reattaching attachments to maps";	3695	warn "reattaching attachments to maps";
3340	reattach $_ for values %MAP;	3696	reattach $_ for values %MAP;
3341	warn "reattaching attachments to players";	3697	warn "reattaching attachments to players";
3342	reattach $_ for values %PLAYER;	3698	reattach $_ for values %PLAYER;
3343		3699
3344	warn "leaving sync_job";	3700	warn "leaving sync_job";
3345		3701
3346	1	3702	1
3347	} or do {	3703	} or do {
3348	warn $@;	3704	warn $@;
3349	warn "error while reloading, exiting.";	3705	cf::cleanup "error while reloading, exiting.";
3350	exit 1;
3351	};	3706	};
3352		3707
3353	warn "reloaded";	3708	warn "reloaded";
		3709	--$RELOAD;
		3710	}
3354	};	3711	};
3355		3712
3356	our $RELOAD_WATCHER; # used only during reload	3713	our $RELOAD_WATCHER; # used only during reload
3357		3714
3358	sub reload_perl() {	3715	sub reload_perl() {
3359	# doing reload synchronously and two reloads happen back-to-back,	3716	# doing reload synchronously and two reloads happen back-to-back,
3360	# coro crashes during coro_state_free->destroy here.	3717	# coro crashes during coro_state_free->destroy here.
3361		3718
3362	$RELOAD_WATCHER ||= Event->timer (	3719	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3363	reentrant => 0,
3364	after => 0,
3365	data => WF_AUTOCANCEL,
3366	cb => sub {
3367	do_reload_perl;	3720	do_reload_perl;
3368	undef $RELOAD_WATCHER;	3721	undef $RELOAD_WATCHER;
3369	},
3370	);	3722	};
3371	}	3723	}
3372		3724
3373	register_command "reload" => sub {	3725	register_command "reload" => sub {
3374	my ($who, $arg) = @_;	3726	my ($who, $arg) = @_;
3375		3727
3376	if ($who->flag (FLAG_WIZ)) {	3728	if ($who->flag (FLAG_WIZ)) {
3377	$who->message ("reloading server.");	3729	$who->message ("reloading server.");
		3730	async {
		3731	$Coro::current->{desc} = "perl_reload";
3378	async { reload_perl };	3732	reload_perl;
		3733	};
3379	}	3734	}
3380	};	3735	};
3381		3736
3382	unshift @INC, $LIBDIR;	3737	unshift @INC, $LIBDIR;
3383		3738
…		…
3385		3740
3386	our @WAIT_FOR_TICK;	3741	our @WAIT_FOR_TICK;
3387	our @WAIT_FOR_TICK_BEGIN;	3742	our @WAIT_FOR_TICK_BEGIN;
3388		3743
3389	sub wait_for_tick {	3744	sub wait_for_tick {
3390	return unless $TICK_WATCHER->is_active;
3391	return if $Coro::current == $Coro::main;	3745	return if tick_inhibit || $Coro::current == $Coro::main;
3392		3746
3393	my $signal = new Coro::Signal;	3747	my $signal = new Coro::Signal;
3394	push @WAIT_FOR_TICK, $signal;	3748	push @WAIT_FOR_TICK, $signal;
3395	$signal->wait;	3749	$signal->wait;
3396	}	3750	}
3397		3751
3398	sub wait_for_tick_begin {	3752	sub wait_for_tick_begin {
3399	return unless $TICK_WATCHER->is_active;
3400	return if $Coro::current == $Coro::main;	3753	return if tick_inhibit || $Coro::current == $Coro::main;
3401		3754
3402	my $signal = new Coro::Signal;	3755	my $signal = new Coro::Signal;
3403	push @WAIT_FOR_TICK_BEGIN, $signal;	3756	push @WAIT_FOR_TICK_BEGIN, $signal;
3404	$signal->wait;	3757	$signal->wait;
3405	}	3758	}
3406		3759
3407	my $min = 1e6;#d#	3760	sub tick {
3408	my $avg = 10;
3409	$TICK_WATCHER = Event->timer (
3410	reentrant => 0,
3411	parked => 1,
3412	prio => 0,
3413	at => $NEXT_TICK || $TICK,
3414	data => WF_AUTOCANCEL,
3415	cb => sub {
3416	if ($Coro::current != $Coro::main) {	3761	if ($Coro::current != $Coro::main) {
3417	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3762	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3418	unless ++$bug_warning > 10;	3763	unless ++$bug_warning > 10;
3419	return;	3764	return;
3420	}	3765	}
3421		3766
3422	$NOW = $tick_start = Event::time;
3423
3424	cf::server_tick; # one server iteration	3767	cf::server_tick; # one server iteration
3425		3768
3426	0 && sync_job {#d#	3769	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3427	for(1..10) {	3770	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3428	my $t = Event::time;	3771	Coro::async_pool {
3429	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3772	$Coro::current->{desc} = "runtime saver";
3430	or die;	3773	write_runtime_sync
3431		3774	or warn "ERROR: unable to write runtime file: $!";
3432	$map->width (50);
3433	$map->height (50);
3434	$map->alloc;
3435	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
3436	my $t = Event::time - $t;
3437
3438	#next unless $t < 0.0013;#d#
3439	if ($t < $min) {
3440	$min = $t;
3441	}
3442	$avg = $avg * 0.99 + $t * 0.01;
3443	}
3444	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3445	exit 0;
3446	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3447	};	3775	};
		3776	}
3448		3777
3449	$RUNTIME += $TICK;
3450	$NEXT_TICK += $TICK;
3451
3452	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3453	$NEXT_RUNTIME_WRITE = $NOW + 10;
3454	Coro::async_pool {
3455	write_runtime
3456	or warn "ERROR: unable to write runtime file: $!";
3457	};
3458	}
3459
3460	# my $AFTER = Event::time;
3461	# warn $AFTER - $NOW;#d#
3462
3463	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3778	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3464	$sig->send;	3779	$sig->send;
3465	}	3780	}
3466	while (my $sig = shift @WAIT_FOR_TICK) {	3781	while (my $sig = shift @WAIT_FOR_TICK) {
3467	$sig->send;	3782	$sig->send;
3468	}	3783	}
3469		3784
3470	$NOW = Event::time;	3785	$LOAD = ($NOW - $TICK_START) / $TICK;
3471
3472	# if we are delayed by four ticks or more, skip them all
3473	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3474
3475	$TICK_WATCHER->at ($NEXT_TICK);
3476	$TICK_WATCHER->start;
3477
3478	$LOAD = ($NOW - $tick_start) / $TICK;
3479	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3786	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3480		3787
3481	_post_tick;	3788	if (0) {
3482		3789	if ($NEXT_TICK) {
3483		3790	my $jitter = $TICK_START - $NEXT_TICK;
		3791	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3792	warn "jitter $JITTER\n";#d#
		3793	}
3484	},	3794	}
3485	);	3795	}
3486		3796
3487	{	3797	{
3488	BDB::max_poll_time $TICK * 0.1;	3798	# configure BDB
3489	$BDB_POLL_WATCHER = Event->io (	3799
3490	reentrant => 0,
3491	fd => BDB::poll_fileno,
3492	poll => 'r',
3493	prio => 0,
3494	data => WF_AUTOCANCEL,
3495	cb => \&BDB::poll_cb,
3496	);
3497	BDB::min_parallel 8;	3800	BDB::min_parallel 8;
3498		3801	BDB::max_poll_reqs $TICK * 0.1;
3499	BDB::set_sync_prepare {	3802	$AnyEvent::BDB::WATCHER->priority (1);
3500	my $status;
3501	my $current = $Coro::current;
3502	(
3503	sub {
3504	$status = $!;
3505	$current->ready; undef $current;
3506	},
3507	sub {
3508	Coro::schedule while defined $current;
3509	$! = $status;
3510	},
3511	)
3512	};
3513		3803
3514	unless ($DB_ENV) {	3804	unless ($DB_ENV) {
3515	$DB_ENV = BDB::db_env_create;	3805	$DB_ENV = BDB::db_env_create;
		3806	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3807	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3808	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3809	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3810	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3516		3811
3517	cf::sync_job {	3812	cf::sync_job {
3518	eval {	3813	eval {
3519	BDB::db_env_open	3814	BDB::db_env_open
3520	$DB_ENV,	3815	$DB_ENV,
…		…
3522	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3817	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3523	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3818	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3524	0666;	3819	0666;
3525		3820
3526	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3821	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3527
3528	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3529	$DB_ENV->set_lk_detect;
3530	};	3822	};
3531		3823
3532	cf::cleanup "db_env_open(db): $@" if $@;	3824	cf::cleanup "db_env_open(db): $@" if $@;
3533	};	3825	};
3534	}	3826	}
		3827
		3828	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3829	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3830	};
		3831	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3832	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3833	};
		3834	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3835	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3836	};
3535	}	3837	}
3536		3838
3537	{	3839	{
		3840	# configure IO::AIO
		3841
3538	IO::AIO::min_parallel 8;	3842	IO::AIO::min_parallel 8;
3539
3540	undef $Coro::AIO::WATCHER;
3541	IO::AIO::max_poll_time $TICK * 0.1;	3843	IO::AIO::max_poll_time $TICK * 0.1;
3542	$AIO_POLL_WATCHER = Event->io (	3844	undef $AnyEvent::AIO::WATCHER;
3543	reentrant => 0,
3544	data => WF_AUTOCANCEL,
3545	fd => IO::AIO::poll_fileno,
3546	poll => 'r',
3547	prio => 6,
3548	cb => \&IO::AIO::poll_cb,
3549	);
3550	}	3845	}
3551		3846
3552	my $_log_backtrace;	3847	my $_log_backtrace;
3553		3848
3554	sub _log_backtrace {	3849	sub _log_backtrace {
…		…
3557	$msg =~ s/\n//;	3852	$msg =~ s/\n//;
3558		3853
3559	# limit the # of concurrent backtraces	3854	# limit the # of concurrent backtraces
3560	if ($_log_backtrace < 2) {	3855	if ($_log_backtrace < 2) {
3561	++$_log_backtrace;	3856	++$_log_backtrace;
		3857	my $perl_bt = Carp::longmess $msg;
3562	async {	3858	async {
		3859	$Coro::current->{desc} = "abt $msg";
		3860
3563	my @bt = fork_call {	3861	my @bt = fork_call {
3564	@addr = map { sprintf "%x", $_ } @addr;	3862	@addr = map { sprintf "%x", $_ } @addr;
3565	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3863	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3566	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3864	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3567	or die "addr2line: $!";	3865	or die "addr2line: $!";
…		…
3575	}	3873	}
3576		3874
3577	@funcs	3875	@funcs
3578	};	3876	};
3579		3877
3580	LOG llevInfo, "[ABT] $msg\n";	3878	LOG llevInfo, "[ABT] $perl_bt\n";
		3879	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3581	LOG llevInfo, "[ABT] $_\n" for @bt;	3880	LOG llevInfo, "[ABT] $_\n" for @bt;
3582	--$_log_backtrace;	3881	--$_log_backtrace;
3583	};	3882	};
3584	} else {	3883	} else {
3585	LOG llevInfo, "[ABT] $msg\n";	3884	LOG llevInfo, "[ABT] $msg\n";

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