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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.347 by root, Thu Aug 30 05:16:09 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; # all users	134	our (%PLAYER, %PLAYER_LOADING); # all users
93	our %MAP; # 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) = @_;
483		565
484	# we seemingly have to make a local copy of the whole thing,	566	# we seemingly have to make a local copy of the whole thing,
485	# otherwise perl prematurely frees the stuff :/	567	# otherwise perl prematurely frees the stuff :/
486	# TODO: investigate and fix (liekly this will be rather laborious)	568	# TODO: investigate and fix (likely this will be rather laborious)
487		569
488	my @res = Coro::Util::fork_eval {	570	my @res = Coro::Util::fork_eval {
489	reset_signals;	571	reset_signals;
490	&$cb	572	&$cb
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 || {} });
…		…
1007	sub object_freezer_save {	1159	sub object_freezer_save {
1008	my ($filename, $rdata, $objs) = @_;	1160	my ($filename, $rdata, $objs) = @_;
1009		1161
1010	sync_job {	1162	sync_job {
1011	if (length $$rdata) {	1163	if (length $$rdata) {
		1164	utf8::decode (my $decname = $filename);
1012	warn sprintf "saving %s (%d,%d)\n",	1165	warn sprintf "saving %s (%d,%d)\n",
1013	$filename, length $$rdata, scalar @$objs;	1166	$decname, length $$rdata, scalar @$objs;
1014		1167
1015	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1168	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1016	chmod SAVE_MODE, $fh;	1169	aio_chmod $fh, SAVE_MODE;
1017	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1170	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1018	aio_fsync $fh if $cf::USE_FSYNC;	1171	aio_fsync $fh if $cf::USE_FSYNC;
1019	close $fh;	1172	aio_close $fh;
1020		1173
1021	if (@$objs) {	1174	if (@$objs) {
1022	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) {
1023	chmod SAVE_MODE, $fh;	1176	aio_chmod $fh, SAVE_MODE;
1024	my $data = Storable::nfreeze { version => 1, objs => $objs };	1177	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1025	aio_write $fh, 0, (length $data), $data, 0;	1178	aio_write $fh, 0, (length $data), $data, 0;
1026	aio_fsync $fh if $cf::USE_FSYNC;	1179	aio_fsync $fh if $cf::USE_FSYNC;
1027	close $fh;	1180	aio_close $fh;
1028	aio_rename "$filename.pst~", "$filename.pst";	1181	aio_rename "$filename.pst~", "$filename.pst";
1029	}	1182	}
1030	} else {	1183	} else {
1031	aio_unlink "$filename.pst";	1184	aio_unlink "$filename.pst";
1032	}	1185	}
…		…
1037	}	1190	}
1038	} else {	1191	} else {
1039	aio_unlink $filename;	1192	aio_unlink $filename;
1040	aio_unlink "$filename.pst";	1193	aio_unlink "$filename.pst";
1041	}	1194	}
1042	}	1195	};
1043	}	1196	}
1044		1197
1045	sub object_freezer_as_string {	1198	sub object_freezer_as_string {
1046	my ($rdata, $objs) = @_;	1199	my ($rdata, $objs) = @_;
1047		1200
…		…
1059	or return;	1212	or return;
1060		1213
1061	unless (aio_stat "$filename.pst") {	1214	unless (aio_stat "$filename.pst") {
1062	(aio_load "$filename.pst", $av) >= 0	1215	(aio_load "$filename.pst", $av) >= 0
1063	or return;	1216	or return;
		1217
1064	$av = eval { (Storable::thaw $av)->{objs} };	1218	my $st = eval { Coro::Storable::thaw $av };
		1219	$av = $st->{objs};
1065	}	1220	}
1066		1221
		1222	utf8::decode (my $decname = $filename);
1067	warn sprintf "loading %s (%d)\n",	1223	warn sprintf "loading %s (%d,%d)\n",
1068	$filename, length $data, scalar @{$av || []};	1224	$decname, length $data, scalar @{$av || []};
		1225
1069	return ($data, $av);	1226	($data, $av)
1070	}	1227	}
1071		1228
1072	=head2 COMMAND CALLBACKS	1229	=head2 COMMAND CALLBACKS
1073		1230
1074	=over 4	1231	=over 4
…		…
1197		1354
1198	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1355	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1199	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1356	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1200		1357
1201	$ext{source} =	1358	$ext{source} =
1202	"package $pkg; use strict; use utf8;\n"	1359	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1203	. "#line 1 \"$path\"\n{\n"	1360	. "#line 1 \"$path\"\n{\n"
1204	. $source	1361	. $source
1205	. "\n};\n1";	1362	. "\n};\n1";
1206		1363
1207	$todo{$base} = \%ext;	1364	$todo{$base} = \%ext;
…		…
1223	my $msg = $@ ? "$v->{path}: $@\n"	1380	my $msg = $@ ? "$v->{path}: $@\n"
1224	: "$v->{base}: extension inactive.\n";	1381	: "$v->{base}: extension inactive.\n";
1225		1382
1226	if (exists $v->{meta}{mandatory}) {	1383	if (exists $v->{meta}{mandatory}) {
1227	warn $msg;	1384	warn $msg;
1228	warn "mandatory extension failed to load, exiting.\n";	1385	cf::cleanup "mandatory extension failed to load, exiting.";
1229	exit 1;
1230	}	1386	}
1231		1387
1232	warn $msg;	1388	warn $msg;
1233	}	1389	}
1234		1390
…		…
1248		1404
1249	=back	1405	=back
1250		1406
1251	=head2 CORE EXTENSIONS	1407	=head2 CORE EXTENSIONS
1252		1408
1253	Functions and methods that extend core crossfire objects.	1409	Functions and methods that extend core deliantra objects.
1254		1410
1255	=cut	1411	=cut
1256		1412
1257	package cf::player;	1413	package cf::player;
1258		1414
1259	use Coro::AIO;	1415	use Coro::AIO;
1260		1416
1261	=head3 cf::player	1417	=head3 cf::player
1262		1418
1263	=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	}
1264		1434
1265	=item cf::player::find $login	1435	=item cf::player::find $login
1266		1436
1267	Returns the given player object, loading it if necessary (might block).	1437	Returns the given player object, loading it if necessary (might block).
1268		1438
…		…
1304	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1474	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1305	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1475	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1306	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1476	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1307	aio_unlink +(playerdir $login) . "/$login.pl";	1477	aio_unlink +(playerdir $login) . "/$login.pl";
1308		1478
1309	my $pl = load_pl path $login	1479	my $f = new_from_file cf::object::thawer path $login
1310	or return;	1480	or return;
		1481
		1482	my $pl = cf::player::load_pl $f
		1483	or return;
		1484
		1485	local $cf::PLAYER_LOADING{$login} = $pl;
		1486	$f->resolve_delayed_derefs;
1311	$cf::PLAYER{$login} = $pl	1487	$cf::PLAYER{$login} = $pl
1312	}	1488	}
1313	}	1489	}
1314	}	1490	}
1315		1491
…		…
1323		1499
1324	return if $pl->{deny_save};	1500	return if $pl->{deny_save};
1325		1501
1326	aio_mkdir playerdir $pl, 0770;	1502	aio_mkdir playerdir $pl, 0770;
1327	$pl->{last_save} = $cf::RUNTIME;	1503	$pl->{last_save} = $cf::RUNTIME;
		1504
		1505	cf::get_slot 0.01;
1328		1506
1329	$pl->save_pl ($path);	1507	$pl->save_pl ($path);
1330	cf::cede_to_tick;	1508	cf::cede_to_tick;
1331	}	1509	}
1332		1510
…		…
1364	my ($pl) = @_;	1542	my ($pl) = @_;
1365		1543
1366	my $name = $pl->ob->name;	1544	my $name = $pl->ob->name;
1367		1545
1368	$pl->{deny_save} = 1;	1546	$pl->{deny_save} = 1;
1369	$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
1370		1548
1371	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1549	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1372	$pl->deactivate;	1550	$pl->deactivate;
		1551	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1552	$pl->ob->check_score;
1373	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1553	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1374	$pl->ns->destroy if $pl->ns;	1554	$pl->ns->destroy if $pl->ns;
1375		1555
1376	my $path = playerdir $pl;	1556	my $path = playerdir $pl;
1377	my $temp = "$path~$cf::RUNTIME~deleting~";	1557	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1413	or return [];	1593	or return [];
1414		1594
1415	my @logins;	1595	my @logins;
1416		1596
1417	for my $login (@$dirs) {	1597	for my $login (@$dirs) {
		1598	my $path = path $login;
		1599
		1600	# a .pst is a dead give-away for a valid player
		1601	# if no pst file found, open and chekc for blocked users
		1602	if (aio_stat "$path.pst") {
1418	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1603	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1419	aio_read $fh, 0, 512, my $buf, 0 or next;	1604	aio_read $fh, 0, 512, my $buf, 0 or next;
1420	$buf !~ /^password -------------$/m or next; # official not-valid tag	1605	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1606	}
1421		1607
1422	utf8::decode $login;	1608	utf8::decode $login;
1423	push @logins, $login;	1609	push @logins, $login;
1424	}	1610	}
1425		1611
…		…
1452	}	1638	}
1453		1639
1454	\@paths	1640	\@paths
1455	}	1641	}
1456		1642
1457	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1643	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1458		1644
1459	Expand crossfire pod fragments into protocol xml.	1645	Expand deliantra pod fragments into protocol xml.
1460
1461	=cut
1462
1463	sub expand_cfpod {
1464	((my $self), (local $_)) = @_;
1465
1466	# escape & and <
1467	s/&/&amp;/g;
1468	s/(?<![BIUGH])</&lt;/g;
1469
1470	# this is buggy, it needs to properly take care of nested <'s
1471
1472	1 while
1473	# replace B<>, I<>, U<> etc.
1474	s/B<([^\>]*)>/<b>$1<\/b>/
1475	|| s/I<([^\>]*)>/<i>$1<\/i>/
1476	|| s/U<([^\>]*)>/<u>$1<\/u>/
1477	# replace G<male|female> tags
1478	|| s{G<([^>|]*)\|([^>]*)>}{
1479	$self->gender ? $2 : $1
1480	}ge
1481	# replace H<hint text>
1482	|| s{H<([^\>]*)>}
1483	{
1484	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1485	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1486	"")
1487	[$self->{hintmode}]
1488	}ge;
1489
1490	# create single paragraphs (very hackish)
1491	s/(?<=\S)\n(?=\w)/ /g;
1492
1493	# compress some whitespace
1494	s/\s+\n/\n/g; # ws line-ends
1495	s/\n\n+/\n/g; # double lines
1496	s/^\n+//; # beginning lines
1497	s/\n+$//; # ending lines
1498
1499	$_
1500	}
1501
1502	sub hintmode {
1503	$_[0]{hintmode} = $_[1] if @_ > 1;
1504	$_[0]{hintmode}
1505	}
1506		1646
1507	=item $player->ext_reply ($msgid, @msg)	1647	=item $player->ext_reply ($msgid, @msg)
1508		1648
1509	Sends an ext reply to the player.	1649	Sends an ext reply to the player.
1510		1650
…		…
1577	our $MAX_RESET = 3600;	1717	our $MAX_RESET = 3600;
1578	our $DEFAULT_RESET = 3000;	1718	our $DEFAULT_RESET = 3000;
1579		1719
1580	sub generate_random_map {	1720	sub generate_random_map {
1581	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
1582	# mit "rum" bekleckern, nicht	1725	# mit "rum" bekleckern, nicht
1583	$self->_create_random_map (	1726	$self->_create_random_map (
1584	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1727	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1585	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1728	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1586	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1729	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1708		1851
1709	# the temporary/swap location	1852	# the temporary/swap location
1710	sub save_path {	1853	sub save_path {
1711	my ($self) = @_;	1854	my ($self) = @_;
1712		1855
1713	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1856	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1714	"$TMPDIR/$path.map"	1857	"$TMPDIR/$path.map"
1715	}	1858	}
1716		1859
1717	# the unique path, undef == no special unique path	1860	# the unique path, undef == no special unique path
1718	sub uniq_path {	1861	sub uniq_path {
1719	my ($self) = @_;	1862	my ($self) = @_;
1720		1863
1721	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1864	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1722	"$UNIQUEDIR/$path"	1865	"$UNIQUEDIR/$path"
1723	}	1866	}
1724		1867
1725	# and all this just because we cannot iterate over	1868	# and all this just because we cannot iterate over
1726	# all maps in C++...	1869	# all maps in C++...
…		…
1749		1892
1750	sub load_header_from($) {	1893	sub load_header_from($) {
1751	my ($self, $path) = @_;	1894	my ($self, $path) = @_;
1752		1895
1753	utf8::encode $path;	1896	utf8::encode $path;
1754	#aio_open $path, O_RDONLY, 0	1897	my $f = new_from_file cf::object::thawer $path
1755	# or return;
1756
1757	$self->_load_header ($path)
1758	or return;	1898	or return;
		1899
		1900	$self->_load_header ($f)
		1901	or return;
		1902
		1903	local $MAP_LOADING{$self->{path}} = $self;
		1904	$f->resolve_delayed_derefs;
1759		1905
1760	$self->{load_path} = $path;	1906	$self->{load_path} = $path;
1761		1907
1762	1	1908	1
1763	}	1909	}
…		…
1817	sub find {	1963	sub find {
1818	my ($path, $origin) = @_;	1964	my ($path, $origin) = @_;
1819		1965
1820	$path = normalise $path, $origin && $origin->path;	1966	$path = normalise $path, $origin && $origin->path;
1821		1967
		1968	cf::lock_wait "map_data:$path";#d#remove
1822	cf::lock_wait "map_find:$path";	1969	cf::lock_wait "map_find:$path";
1823		1970
1824	$cf::MAP{$path} || do {	1971	$cf::MAP{$path} || do {
		1972	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1825	my $guard = cf::lock_acquire "map_find:$path";	1973	my $guard2 = cf::lock_acquire "map_find:$path";
		1974
1826	my $map = new_from_path cf::map $path	1975	my $map = new_from_path cf::map $path
1827	or return;	1976	or return;
1828		1977
1829	$map->{last_save} = $cf::RUNTIME;	1978	$map->{last_save} = $cf::RUNTIME;
1830		1979
…		…
1832	or return;	1981	or return;
1833		1982
1834	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1983	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1835	# doing this can freeze the server in a sync job, obviously	1984	# doing this can freeze the server in a sync job, obviously
1836	#$cf::WAIT_FOR_TICK->wait;	1985	#$cf::WAIT_FOR_TICK->wait;
		1986	undef $guard2;
		1987	undef $guard1;
1837	$map->reset;	1988	$map->reset;
1838	undef $guard;
1839	return find $path;	1989	return find $path;
1840	}	1990	}
1841		1991
1842	$cf::MAP{$path} = $map	1992	$cf::MAP{$path} = $map
1843	}	1993	}
…		…
1852	local $self->{deny_reset} = 1; # loading can take a long time	2002	local $self->{deny_reset} = 1; # loading can take a long time
1853		2003
1854	my $path = $self->{path};	2004	my $path = $self->{path};
1855		2005
1856	{	2006	{
1857	my $guard1 = cf::lock_acquire "map_data:$path";	2007	my $guard = cf::lock_acquire "map_data:$path";
1858	my $guard2 = cf::lock_acquire "map_load:$path";
1859		2008
		2009	return unless $self->valid;
1860	return if $self->in_memory != cf::MAP_SWAPPED;	2010	return unless $self->in_memory == cf::MAP_SWAPPED;
1861		2011
1862	$self->in_memory (cf::MAP_LOADING);	2012	$self->in_memory (cf::MAP_LOADING);
1863		2013
1864	$self->alloc;	2014	$self->alloc;
1865		2015
1866	$self->pre_load;	2016	$self->pre_load;
1867	cf::cede_to_tick;	2017	cf::cede_to_tick;
1868		2018
		2019	my $f = new_from_file cf::object::thawer $self->{load_path};
		2020	$f->skip_block;
1869	$self->_load_objects ($self->{load_path}, 1)	2021	$self->_load_objects ($f)
1870	or return;	2022	or return;
1871		2023
1872	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2024	$self->post_load_original
1873	if delete $self->{load_original};	2025	if delete $self->{load_original};
1874		2026
1875	if (my $uniq = $self->uniq_path) {	2027	if (my $uniq = $self->uniq_path) {
1876	utf8::encode $uniq;	2028	utf8::encode $uniq;
1877	if (aio_open $uniq, O_RDONLY, 0) {	2029	unless (aio_stat $uniq) {
		2030	if (my $f = new_from_file cf::object::thawer $uniq) {
1878	$self->clear_unique_items;	2031	$self->clear_unique_items;
1879	$self->_load_objects ($uniq, 0);	2032	$self->_load_objects ($f);
		2033	$f->resolve_delayed_derefs;
		2034	}
1880	}	2035	}
1881	}	2036	}
		2037
		2038	$f->resolve_delayed_derefs;
1882		2039
1883	cf::cede_to_tick;	2040	cf::cede_to_tick;
1884	# now do the right thing for maps	2041	# now do the right thing for maps
1885	$self->link_multipart_objects;	2042	$self->link_multipart_objects;
1886	$self->difficulty ($self->estimate_difficulty)	2043	$self->difficulty ($self->estimate_difficulty)
…		…
1898	}	2055	}
1899		2056
1900	$self->{last_save} = $cf::RUNTIME;	2057	$self->{last_save} = $cf::RUNTIME;
1901	$self->last_access ($cf::RUNTIME);	2058	$self->last_access ($cf::RUNTIME);
1902		2059
1903	$self->in_memory (cf::MAP_IN_MEMORY);	2060	$self->in_memory (cf::MAP_ACTIVE);
1904	}	2061	}
1905		2062
1906	$self->post_load;	2063	$self->post_load;
1907	}	2064	}
1908		2065
…		…
1966	my ($path, $origin, $load) = @_;	2123	my ($path, $origin, $load) = @_;
1967		2124
1968	$path = normalise $path, $origin && $origin->{path};	2125	$path = normalise $path, $origin && $origin->{path};
1969		2126
1970	if (my $map = $cf::MAP{$path}) {	2127	if (my $map = $cf::MAP{$path}) {
1971	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2128	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1972	}	2129	}
1973		2130
1974	$MAP_PREFETCH{$path} |= $load;	2131	$MAP_PREFETCH{$path} |= $load;
1975		2132
1976	$MAP_PREFETCHER ||= cf::async {	2133	$MAP_PREFETCHER ||= cf::async {
		2134	$Coro::current->{desc} = "map prefetcher";
		2135
1977	while (%MAP_PREFETCH) {	2136	while (%MAP_PREFETCH) {
1978	while (my ($k, $v) = each %MAP_PREFETCH) {	2137	while (my ($k, $v) = each %MAP_PREFETCH) {
1979	if (my $map = find $k) {	2138	if (my $map = find $k) {
1980	$map->load if $v;	2139	$map->load if $v;
1981	}	2140	}
…		…
2007	return if $self->{deny_save};	2166	return if $self->{deny_save};
2008		2167
2009	local $self->{last_access} = $self->last_access;#d#	2168	local $self->{last_access} = $self->last_access;#d#
2010		2169
2011	cf::async {	2170	cf::async {
		2171	$Coro::current->{desc} = "map player save";
2012	$_->contr->save for $self->players;	2172	$_->contr->save for $self->players;
2013	};	2173	};
		2174
		2175	cf::get_slot 0.02;
2014		2176
2015	if ($uniq) {	2177	if ($uniq) {
2016	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2178	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2017	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2179	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2018	} else {	2180	} else {
…		…
2027	$self->save;	2189	$self->save;
2028		2190
2029	my $lock = cf::lock_acquire "map_data:$self->{path}";	2191	my $lock = cf::lock_acquire "map_data:$self->{path}";
2030		2192
2031	return if $self->players;	2193	return if $self->players;
2032	return if $self->in_memory != cf::MAP_IN_MEMORY;	2194	return if $self->in_memory != cf::MAP_ACTIVE;
2033	return if $self->{deny_save};	2195	return if $self->{deny_save};
2034		2196
		2197	$self->in_memory (cf::MAP_SWAPPED);
		2198
		2199	$self->deactivate;
		2200	$_->clear_links_to ($self) for values %cf::MAP;
2035	$self->clear;	2201	$self->clear;
2036	$self->in_memory (cf::MAP_SWAPPED);
2037	}	2202	}
2038		2203
2039	sub reset_at {	2204	sub reset_at {
2040	my ($self) = @_;	2205	my ($self) = @_;
2041		2206
…		…
2073	if $uniq;	2238	if $uniq;
2074	}	2239	}
2075		2240
2076	delete $cf::MAP{$self->path};	2241	delete $cf::MAP{$self->path};
2077		2242
		2243	$self->deactivate;
		2244	$_->clear_links_to ($self) for values %cf::MAP;
2078	$self->clear;	2245	$self->clear;
2079
2080	$_->clear_links_to ($self) for values %cf::MAP;
2081		2246
2082	$self->unlink_save;	2247	$self->unlink_save;
2083	$self->destroy;	2248	$self->destroy;
2084	}	2249	}
2085		2250
2086	my $nuke_counter = "aaaa";	2251	my $nuke_counter = "aaaa";
2087		2252
2088	sub nuke {	2253	sub nuke {
2089	my ($self) = @_;	2254	my ($self) = @_;
2090		2255
		2256	{
		2257	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2258
2091	delete $cf::MAP{$self->path};	2259	delete $cf::MAP{$self->path};
2092		2260
2093	$self->unlink_save;	2261	$self->unlink_save;
2094		2262
2095	bless $self, "cf::map";	2263	bless $self, "cf::map";
2096	delete $self->{deny_reset};	2264	delete $self->{deny_reset};
2097	$self->{deny_save} = 1;	2265	$self->{deny_save} = 1;
2098	$self->reset_timeout (1);	2266	$self->reset_timeout (1);
2099	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2267	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2100		2268
2101	$cf::MAP{$self->path} = $self;	2269	$cf::MAP{$self->path} = $self;
		2270	}
2102		2271
2103	$self->reset; # polite request, might not happen	2272	$self->reset; # polite request, might not happen
2104	}	2273	}
2105		2274
2106	=item $maps = cf::map::tmp_maps	2275	=item $maps = cf::map::tmp_maps
…		…
2148		2317
2149	sub unique_maps() {	2318	sub unique_maps() {
2150	[	2319	[
2151	map {	2320	map {
2152	utf8::decode $_;	2321	utf8::decode $_;
2153	/\.map$/	2322	s/\.map$//; # TODO future compatibility hack
		2323	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2324	? ()
2154	? normalise $_	2325	: normalise $_
2155	: ()
2156	} @{ aio_readdir $UNIQUEDIR or [] }	2326	} @{ aio_readdir $UNIQUEDIR or [] }
2157	]	2327	]
2158	}	2328	}
2159		2329
2160	package cf;
2161
2162	=back	2330	=back
2163		2331
2164	=head3 cf::object	2332	=head3 cf::object
2165		2333
2166	=cut	2334	=cut
…		…
2169		2337
2170	=over 4	2338	=over 4
2171		2339
2172	=item $ob->inv_recursive	2340	=item $ob->inv_recursive
2173		2341
2174	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.
2175		2344
2176	=cut	2345	=cut
2177		2346
2178	sub inv_recursive_;	2347	sub inv_recursive_;
2179	sub inv_recursive_ {	2348	sub inv_recursive_ {
…		…
2182		2351
2183	sub inv_recursive {	2352	sub inv_recursive {
2184	inv_recursive_ inv $_[0]	2353	inv_recursive_ inv $_[0]
2185	}	2354	}
2186		2355
		2356	=item $ref = $ob->ref
		2357
		2358	Creates and returns a persistent reference to an object that can be stored as a string.
		2359
		2360	=item $ob = cf::object::deref ($refstring)
		2361
		2362	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2363	even if the object actually exists. May block.
		2364
		2365	=cut
		2366
		2367	sub deref {
		2368	my ($ref) = @_;
		2369
		2370	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2371	my ($uuid, $name) = ($1, $2);
		2372	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2373	or return;
		2374	$pl->ob->uuid eq $uuid
		2375	or return;
		2376
		2377	$pl->ob
		2378	} else {
		2379	warn "$ref: cannot resolve object reference\n";
		2380	undef
		2381	}
		2382	}
		2383
2187	package cf;	2384	package cf;
2188		2385
2189	=back	2386	=back
2190		2387
2191	=head3 cf::object::player	2388	=head3 cf::object::player
…		…
2197	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2394	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2198	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
2199	dialogue with the given NPC character.	2396	dialogue with the given NPC character.
2200		2397
2201	=cut	2398	=cut
		2399
		2400	our $SAY_CHANNEL = {
		2401	id => "say",
		2402	title => "Map",
		2403	reply => "say ",
		2404	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2405	};
		2406
		2407	our $CHAT_CHANNEL = {
		2408	id => "chat",
		2409	title => "Chat",
		2410	reply => "chat ",
		2411	tooltip => "Player chat and shouts, global to the server.",
		2412	};
2202		2413
2203	# rough implementation of a future "reply" method that works	2414	# rough implementation of a future "reply" method that works
2204	# with dialog boxes.	2415	# with dialog boxes.
2205	#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
2206	sub cf::object::player::reply($$$;$) {	2417	sub cf::object::player::reply($$$;$) {
…		…
2218	my $dialog = $pl->{npc_dialog};	2429	my $dialog = $pl->{npc_dialog};
2219	$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));
2220		2431
2221	} else {	2432	} else {
2222	$msg = $npc->name . " says: $msg" if $npc;	2433	$msg = $npc->name . " says: $msg" if $npc;
2223	$self->message ($msg, $flags);	2434	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2224	}	2435	}
2225	}	2436	}
2226	}	2437	}
2227		2438
2228	=item $object->send_msg ($channel, $msg, $color, [extra...])	2439	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2253		2464
2254	=item $player_object->enter_link	2465	=item $player_object->enter_link
2255		2466
2256	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}>).
2257		2468
2258	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.
2259	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.
2260		2473
2261	Will never block.	2474	Will never block.
2262		2475
2263	=item $player_object->leave_link ($map, $x, $y)	2476	=item $player_object->leave_link ($map, $x, $y)
2264		2477
…		…
2322		2535
2323	$map->load;	2536	$map->load;
2324	$map->load_neighbours;	2537	$map->load_neighbours;
2325		2538
2326	return unless $self->contr->active;	2539	return unless $self->contr->active;
		2540	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2327	$self->activate_recursive;	2541	$self->activate_recursive;
2328		2542
2329	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2543	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2330	$self->enter_map ($map, $x, $y);	2544	$self->enter_map ($map, $x, $y);
2331	}	2545	}
…		…
2336	her, loading and preparing them map, calling the provided $check callback	2550	her, loading and preparing them map, calling the provided $check callback
2337	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
2338	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
2339	be called at the end of this process.	2553	be called at the end of this process.
2340		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
2341	=cut	2558	=cut
2342		2559
2343	our $GOTOGEN;	2560	our $GOTOGEN;
2344		2561
2345	sub cf::object::player::goto {	2562	sub cf::object::player::goto {
…		…
2349	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2566	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2350		2567
2351	$self->enter_link;	2568	$self->enter_link;
2352		2569
2353	(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
2354	my $map = eval {	2592	my $map = eval {
2355	my $map = cf::map::find $path;	2593	my $map = defined $path ? cf::map::find $path : undef;
2356		2594
2357	if ($map) {	2595	if ($map) {
2358	$map = $map->customise_for ($self);	2596	$map = $map->customise_for ($self);
2359	$map = $check->($map) if $check && $map;	2597	$map = $check->($map) if $check && $map;
2360	} else {	2598	} else {
2361	$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);
2362	}	2600	}
2363		2601
2364	$map	2602	$map
2365	};	2603	};
2366		2604
…		…
2402	}	2640	}
2403		2641
2404	sub prepare_random_map {	2642	sub prepare_random_map {
2405	my ($exit) = @_;	2643	my ($exit) = @_;
2406		2644
2407	my $guard = cf::lock_acquire "exit_prepare:$exit";
2408
2409	# all this does is basically replace the /! path by	2645	# all this does is basically replace the /! path by
2410	# a new random map path (?random/...) with a seed	2646	# a new random map path (?random/...) with a seed
2411	# that depends on the exit object	2647	# that depends on the exit object
2412		2648
2413	my $rmp = parse_random_map_params $exit->msg;	2649	my $rmp = parse_random_map_params $exit->msg;
…		…
2415	if ($exit->map) {	2651	if ($exit->map) {
2416	$rmp->{region} = $exit->region->name;	2652	$rmp->{region} = $exit->region->name;
2417	$rmp->{origin_map} = $exit->map->path;	2653	$rmp->{origin_map} = $exit->map->path;
2418	$rmp->{origin_x} = $exit->x;	2654	$rmp->{origin_x} = $exit->x;
2419	$rmp->{origin_y} = $exit->y;	2655	$rmp->{origin_y} = $exit->y;
		2656
		2657	$exit->map->touch;
2420	}	2658	}
2421		2659
2422	$rmp->{random_seed} ||= $exit->random_seed;	2660	$rmp->{random_seed} ||= $exit->random_seed;
2423		2661
2424	my $data = cf::to_json $rmp;	2662	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2425	my $md5 = Digest::MD5::md5_hex $data;	2663	my $md5 = Digest::MD5::md5_hex $data;
2426	my $meta = "$RANDOMDIR/$md5.meta";	2664	my $meta = "$RANDOMDIR/$md5.meta";
2427		2665
2428	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2666	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2429	aio_write $fh, 0, (length $data), $data, 0;	2667	aio_write $fh, 0, (length $data), $data, 0;
2430	undef $fh;	2668	undef $fh;
2431	aio_rename "$meta~", $meta;	2669	aio_rename "$meta~", $meta;
2432		2670
		2671	my $slaying = "?random/$md5";
		2672
		2673	if ($exit->valid) {
2433	$exit->slaying ("?random/$md5");	2674	$exit->slaying ("?random/$md5");
2434	$exit->msg (undef);	2675	$exit->msg (undef);
		2676	}
2435	}	2677	}
2436	}	2678	}
2437		2679
2438	sub cf::object::player::enter_exit {	2680	sub cf::object::player::enter_exit {
2439	my ($self, $exit) = @_;	2681	my ($self, $exit) = @_;
2440		2682
2441	return unless $self->type == cf::PLAYER;	2683	return unless $self->type == cf::PLAYER;
2442		2684
2443	if ($exit->slaying eq "/!") {
2444	#TODO: this should de-fi-ni-te-ly not be a sync-job
2445	# the problem is that $exit might not survive long enough
2446	# so it needs to be done right now, right here
2447	cf::sync_job { prepare_random_map $exit };
2448	}
2449
2450	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2451	my $hp = $exit->stats->hp;
2452	my $sp = $exit->stats->sp;
2453
2454	$self->enter_link;	2685	$self->enter_link;
2455		2686
2456	# if exit is damned, update players death & WoR home-position
2457	$self->contr->savebed ($slaying, $hp, $sp)
2458	if $exit->flag (FLAG_DAMNED);
2459
2460	(async {	2687	(async {
2461	$self->deactivate_recursive; # just to be sure	2688	$Coro::current->{desc} = "enter_exit";
		2689
2462	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
2463	$self->goto ($slaying, $hp, $sp);	2705	$self->goto ($map, $x, $y);
2464		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
2465	1;	2711	1
2466	}) {	2712	}) {
2467	$self->message ("Something went wrong deep within the crossfire server. "	2713	$self->message ("Something went wrong deep within the deliantra server. "
2468	. "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. "
2469	. "Please report this to the dungeon master!",	2715	. "Please report this to the dungeon master!",
2470	cf::NDI_UNIQUE | cf::NDI_RED);	2716	cf::NDI_UNIQUE | cf::NDI_RED);
2471		2717
2472	warn "ERROR in enter_exit: $@";	2718	warn "ERROR in enter_exit: $@";
…		…
2500	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
2501	the message unless the client supports the msg packet.	2747	the message unless the client supports the msg packet.
2502		2748
2503	=cut	2749	=cut
2504		2750
		2751	# non-persistent channels (usually the info channel)
		2752	our %CHANNEL = (
		2753	"c/identify" => {
		2754	id => "infobox",
		2755	title => "Identify",
		2756	reply => undef,
		2757	tooltip => "Items recently identified",
		2758	},
		2759	"c/examine" => {
		2760	id => "infobox",
		2761	title => "Examine",
		2762	reply => undef,
		2763	tooltip => "Signs and other items you examined",
		2764	},
		2765	"c/book" => {
		2766	id => "infobox",
		2767	title => "Book",
		2768	reply => undef,
		2769	tooltip => "The contents of a note or book",
		2770	},
		2771	"c/lookat" => {
		2772	id => "infobox",
		2773	title => "Look",
		2774	reply => undef,
		2775	tooltip => "What you saw there",
		2776	},
		2777	"c/who" => {
		2778	id => "infobox",
		2779	title => "Players",
		2780	reply => undef,
		2781	tooltip => "Shows players who are currently online",
		2782	},
		2783	"c/body" => {
		2784	id => "infobox",
		2785	title => "Body Parts",
		2786	reply => undef,
		2787	tooltip => "Shows which body parts you posess and are available",
		2788	},
		2789	"c/uptime" => {
		2790	id => "infobox",
		2791	title => "Uptime",
		2792	reply => undef,
		2793	tooltip => "How long the server has been running since last restart",
		2794	},
		2795	"c/mapinfo" => {
		2796	id => "infobox",
		2797	title => "Map Info",
		2798	reply => undef,
		2799	tooltip => "Information related to the maps",
		2800	},
		2801	"c/party" => {
		2802	id => "party",
		2803	title => "Party",
		2804	reply => "gsay ",
		2805	tooltip => "Messages and chat related to your party",
		2806	},
		2807	);
		2808
2505	sub cf::client::send_msg {	2809	sub cf::client::send_msg {
2506	my ($self, $channel, $msg, $color, @extra) = @_;	2810	my ($self, $channel, $msg, $color, @extra) = @_;
2507		2811
2508	$msg = $self->pl->expand_cfpod ($msg);	2812	$msg = $self->pl->expand_cfpod ($msg)
		2813	unless $color & cf::NDI_VERBATIM;
2509		2814
2510	$color &= cf::NDI_CLIENT_MASK; # just in case...	2815	$color &= cf::NDI_CLIENT_MASK; # just in case...
2511		2816
		2817	# check predefined channels, for the benefit of C
		2818	if ($CHANNEL{$channel}) {
		2819	$channel = $CHANNEL{$channel};
		2820
		2821	$self->ext_msg (channel_info => $channel)
		2822	if $self->can_msg;
		2823
		2824	$channel = $channel->{id};
		2825
2512	if (ref $channel) {	2826	} elsif (ref $channel) {
2513	# send meta info to client, if not yet sent	2827	# send meta info to client, if not yet sent
2514	unless (exists $self->{channel}{$channel->{id}}) {	2828	unless (exists $self->{channel}{$channel->{id}}) {
2515	$self->{channel}{$channel->{id}} = $channel;	2829	$self->{channel}{$channel->{id}} = $channel;
2516	$self->ext_msg (channel_info => $channel);	2830	$self->ext_msg (channel_info => $channel)
		2831	if $self->can_msg;
2517	}	2832	}
2518		2833
2519	$channel = $channel->{id};	2834	$channel = $channel->{id};
2520	}	2835	}
2521		2836
…		…
2524	if ($self->can_msg) {	2839	if ($self->can_msg) {
2525	# default colour, mask it out	2840	# default colour, mask it out
2526	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2841	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2527	if $color & cf::NDI_DEF;	2842	if $color & cf::NDI_DEF;
2528		2843
2529	$self->send_packet ("msg " . $self->{json_coder}->encode (	2844	my $pkt = "msg "
		2845	. $self->{json_coder}->encode (
2530	[$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);
2531	} else {	2860	} else {
2532	if ($color >= 0) {	2861	if ($color >= 0) {
2533	# replace some tags by gcfclient-compatible ones	2862	# replace some tags by gcfclient-compatible ones
2534	for ($msg) {	2863	for ($msg) {
2535	1 while	2864	1 while
…		…
2733	=pod	3062	=pod
2734		3063
2735	The following functions and methods are available within a safe environment:	3064	The following functions and methods are available within a safe environment:
2736		3065
2737	cf::object	3066	cf::object
2738	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
2739	insert remove name archname title slaying race decrease_ob_nr	3068	insert remove name archname title slaying race decrease split
2740		3069
2741	cf::object::player	3070	cf::object::player
2742	player	3071	player
2743		3072
2744	cf::player	3073	cf::player
…		…
2749		3078
2750	=cut	3079	=cut
2751		3080
2752	for (	3081	for (
2753	["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
2754	insert remove inv name archname title slaying race	3083	insert remove inv nrof name archname title slaying race
2755	decrease_ob_nr)],	3084	decrease split destroy change_exp)],
2756	["cf::object::player" => qw(player)],	3085	["cf::object::player" => qw(player)],
2757	["cf::player" => qw(peaceful)],	3086	["cf::player" => qw(peaceful)],
2758	["cf::map" => qw(trigger)],	3087	["cf::map" => qw(trigger)],
2759	) {	3088	) {
2760	no strict 'refs';	3089	no strict 'refs';
…		…
2836	# the server's init and main functions	3165	# the server's init and main functions
2837		3166
2838	sub load_facedata($) {	3167	sub load_facedata($) {
2839	my ($path) = @_;	3168	my ($path) = @_;
2840		3169
		3170	# HACK to clear player env face cache, we need some signal framework
		3171	# for this (global event?)
		3172	%ext::player_env::MUSIC_FACE_CACHE = ();
		3173
2841	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3174	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2842		3175
2843	warn "loading facedata from $path\n";	3176	warn "loading facedata from $path\n";
2844		3177
2845	my $facedata;	3178	my $facedata;
…		…
2861	{	3194	{
2862	my $faces = $facedata->{faceinfo};	3195	my $faces = $facedata->{faceinfo};
2863		3196
2864	while (my ($face, $info) = each %$faces) {	3197	while (my ($face, $info) = each %$faces) {
2865	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3198	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3199
2866	cf::face::set_visibility $idx, $info->{visibility};	3200	cf::face::set_visibility $idx, $info->{visibility};
2867	cf::face::set_magicmap $idx, $info->{magicmap};	3201	cf::face::set_magicmap $idx, $info->{magicmap};
2868	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};
2869	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};
2870		3204
2871	cf::cede_to_tick;	3205	cf::cede_to_tick;
2872	}	3206	}
2873		3207
2874	while (my ($face, $info) = each %$faces) {	3208	while (my ($face, $info) = each %$faces) {
2875	next unless $info->{smooth};	3209	next unless $info->{smooth};
		3210
2876	my $idx = cf::face::find $face	3211	my $idx = cf::face::find $face
2877	or next;	3212	or next;
		3213
2878	if (my $smooth = cf::face::find $info->{smooth}) {	3214	if (my $smooth = cf::face::find $info->{smooth}) {
2879	cf::face::set_smooth $idx, $smooth;	3215	cf::face::set_smooth $idx, $smooth;
2880	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3216	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2881	} else {	3217	} else {
2882	warn "smooth face '$info->{smooth}' not found for face '$face'";	3218	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2900	{	3236	{
2901	# TODO: for gcfclient pleasure, we should give resources	3237	# TODO: for gcfclient pleasure, we should give resources
2902	# that gcfclient doesn't grok a >10000 face index.	3238	# that gcfclient doesn't grok a >10000 face index.
2903	my $res = $facedata->{resource};	3239	my $res = $facedata->{resource};
2904		3240
2905	my $soundconf = delete $res->{"res/sound.conf"};
2906
2907	while (my ($name, $info) = each %$res) {	3241	while (my ($name, $info) = each %$res) {
		3242	if (defined $info->{type}) {
2908	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3243	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2909	my $data;	3244	my $data;
2910		3245
2911	if ($info->{type} & 1) {	3246	if ($info->{type} & 1) {
2912	# prepend meta info	3247	# prepend meta info
2913		3248
2914	my $meta = $enc->encode ({	3249	my $meta = $enc->encode ({
2915	name => $name,	3250	name => $name,
2916	%{ $info->{meta} || {} },	3251	%{ $info->{meta} || {} },
2917	});	3252	});
2918		3253
2919	$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};
2920	} else {	3261	} else {
2921	$data = $info->{data};	3262	$RESOURCE{$name} = $info;
2922	}	3263	}
2923		3264
2924	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2925	cf::face::set_type $idx, $info->{type};
2926
2927	cf::cede_to_tick;	3265	cf::cede_to_tick;
2928	}	3266	}
2929
2930	if ($soundconf) {
2931	$soundconf = $enc->decode (delete $soundconf->{data});
2932
2933	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2934	my $sound = $soundconf->{compat}[$_]
2935	or next;
2936
2937	my $face = cf::face::find "sound/$sound->[1]";
2938	cf::sound::set $sound->[0] => $face;
2939	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2940	}
2941
2942	while (my ($k, $v) = each %{$soundconf->{event}}) {
2943	my $face = cf::face::find "sound/$v";
2944	cf::sound::set $k => $face;
2945	}
2946	}
2947	}	3267	}
		3268
		3269	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2948		3270
2949	1	3271	1
2950	}	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	});
2951		3293
2952	register_exticmd fx_want => sub {	3294	register_exticmd fx_want => sub {
2953	my ($ns, $want) = @_;	3295	my ($ns, $want) = @_;
2954		3296
2955	while (my ($k, $v) = each %$want) {	3297	while (my ($k, $v) = each %$want) {
2956	$ns->fx_want ($k, $v);	3298	$ns->fx_want ($k, $v);
2957	}	3299	}
2958	};	3300	};
2959		3301
		3302	sub load_resource_file($) {
		3303	my $guard = lock_acquire "load_resource_file";
		3304
		3305	my $status = load_resource_file_ $_[0];
		3306	get_slot 0.1, 100;
		3307	cf::arch::commit_load;
		3308
		3309	$status
		3310	}
		3311
2960	sub reload_regions {	3312	sub reload_regions {
		3313	# HACK to clear player env face cache, we need some signal framework
		3314	# for this (global event?)
		3315	%ext::player_env::MUSIC_FACE_CACHE = ();
		3316
2961	load_resource_file "$MAPDIR/regions"	3317	load_resource_file "$MAPDIR/regions"
2962	or die "unable to load regions file\n";	3318	or die "unable to load regions file\n";
2963		3319
2964	for (cf::region::list) {	3320	for (cf::region::list) {
2965	$_->{match} = qr/$_->{match}/	3321	$_->{match} = qr/$_->{match}/
…		…
2973	}	3329	}
2974		3330
2975	sub reload_archetypes {	3331	sub reload_archetypes {
2976	load_resource_file "$DATADIR/archetypes"	3332	load_resource_file "$DATADIR/archetypes"
2977	or die "unable to load archetypes\n";	3333	or die "unable to load archetypes\n";
2978	#d# NEED to laod twice to resolve forward references
2979	# this really needs to be done in an extra post-pass
2980	# (which needs to be synchronous, so solve it differently)
2981	load_resource_file "$DATADIR/archetypes"
2982	or die "unable to load archetypes\n";
2983	}	3334	}
2984		3335
2985	sub reload_treasures {	3336	sub reload_treasures {
2986	load_resource_file "$DATADIR/treasures"	3337	load_resource_file "$DATADIR/treasures"
2987	or die "unable to load treasurelists\n";	3338	or die "unable to load treasurelists\n";
2988	}	3339	}
2989		3340
2990	sub reload_resources {	3341	sub reload_resources {
2991	warn "reloading resource files...\n";	3342	warn "reloading resource files...\n";
2992		3343
		3344	reload_facedata;
		3345	reload_archetypes;
2993	reload_regions;	3346	reload_regions;
2994	reload_facedata;
2995	#reload_archetypes;#d#
2996	reload_archetypes;
2997	reload_treasures;	3347	reload_treasures;
2998		3348
2999	warn "finished reloading resource files\n";	3349	warn "finished reloading resource files\n";
3000	}	3350	}
3001		3351
3002	sub init {	3352	sub init {
		3353	my $guard = freeze_mainloop;
		3354
		3355	evthread_start IO::AIO::poll_fileno;
		3356
3003	reload_resources;	3357	reload_resources;
3004	}	3358	}
3005		3359
3006	sub reload_config {	3360	sub reload_config {
3007	open my $fh, "<:utf8", "$CONFDIR/config"	3361	open my $fh, "<:utf8", "$CONFDIR/config"
3008	or return;	3362	or return;
3009		3363
3010	local $/;	3364	local $/;
3011	*CFG = YAML::Syck::Load <$fh>;	3365	*CFG = YAML::Load <$fh>;
3012		3366
3013	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3367	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3014		3368
3015	$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};
3016	$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};
…		…
3022	};	3376	};
3023	warn $@ if $@;	3377	warn $@ if $@;
3024	}	3378	}
3025	}	3379	}
3026		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
3027	sub main {	3400	sub main {
		3401	atomic;
		3402
3028	# we must not ever block the main coroutine	3403	# we must not ever block the main coroutine
3029	local $Coro::idle = sub {	3404	local $Coro::idle = sub {
3030	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#
3031	(async {	3406	(async {
3032	Event::one_event;	3407	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3408	EV::loop EV::LOOP_ONESHOT;
3033	})->prio (Coro::PRIO_MAX);	3409	})->prio (Coro::PRIO_MAX);
3034	};	3410	};
3035		3411
		3412	{
		3413	my $guard = freeze_mainloop;
3036	reload_config;	3414	reload_config;
3037	db_init;	3415	db_init;
3038	load_extensions;	3416	load_extensions;
3039		3417
3040	$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
3041	Event::loop;	3426	EV::loop;
3042	}	3427	}
3043		3428
3044	#############################################################################	3429	#############################################################################
3045	# initialisation and cleanup	3430	# initialisation and cleanup
3046		3431
3047	# install some emergency cleanup handlers	3432	# install some emergency cleanup handlers
3048	BEGIN {	3433	BEGIN {
		3434	our %SIGWATCHER = ();
3049	for my $signal (qw(INT HUP TERM)) {	3435	for my $signal (qw(INT HUP TERM)) {
3050	Event->signal (	3436	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3051	reentrant => 0,
3052	data => WF_AUTOCANCEL,
3053	signal => $signal,
3054	prio => 0,
3055	cb => sub {
3056	cf::cleanup "SIG$signal";	3437	cf::cleanup "SIG$signal";
3057	},
3058	);	3438	};
3059	}	3439	}
3060	}	3440	}
3061		3441
3062	sub write_runtime {	3442	sub write_runtime_sync {
3063	my $runtime = "$LOCALDIR/runtime";
3064
3065	# first touch the runtime file to show we are still running:	3443	# first touch the runtime file to show we are still running:
3066	# the fsync below can take a very very long time.	3444	# the fsync below can take a very very long time.
3067		3445
3068	IO::AIO::aio_utime $runtime, undef, undef;	3446	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3069		3447
3070	my $guard = cf::lock_acquire "write_runtime";	3448	my $guard = cf::lock_acquire "write_runtime";
3071		3449
3072	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3450	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3073	or return;	3451	or return;
3074		3452
3075	my $value = $cf::RUNTIME + 90 + 10;	3453	my $value = $cf::RUNTIME + 90 + 10;
3076	# 10 is the runtime save interval, for a monotonic clock	3454	# 10 is the runtime save interval, for a monotonic clock
3077	# 60 allows for the watchdog to kill the server.	3455	# 60 allows for the watchdog to kill the server.
…		…
3087	aio_utime $fh, undef, undef;	3465	aio_utime $fh, undef, undef;
3088		3466
3089	close $fh	3467	close $fh
3090	or return;	3468	or return;
3091		3469
3092	aio_rename "$runtime~", $runtime	3470	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3093	and return;	3471	and return;
3094		3472
3095	warn "runtime file written.\n";	3473	warn "runtime file written.\n";
3096		3474
3097	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($$) {
		3515	my ($skip, $sync) = @_;
		3516
		3517	$sync ? write_uuid_sync $skip
		3518	: async { write_uuid_sync $skip };
3098	}	3519	}
3099		3520
3100	sub emergency_save() {	3521	sub emergency_save() {
3101	my $freeze_guard = cf::freeze_mainloop;	3522	my $freeze_guard = cf::freeze_mainloop;
3102		3523
…		…
3108	# and maps saved/destroyed asynchronously.	3529	# and maps saved/destroyed asynchronously.
3109	warn "begin emergency player save\n";	3530	warn "begin emergency player save\n";
3110	for my $login (keys %cf::PLAYER) {	3531	for my $login (keys %cf::PLAYER) {
3111	my $pl = $cf::PLAYER{$login} or next;	3532	my $pl = $cf::PLAYER{$login} or next;
3112	$pl->valid or next;	3533	$pl->valid or next;
		3534	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3113	$pl->save;	3535	$pl->save;
3114	}	3536	}
3115	warn "end emergency player save\n";	3537	warn "end emergency player save\n";
3116		3538
3117	warn "begin emergency map save\n";	3539	warn "begin emergency map save\n";
…		…
3123	warn "end emergency map save\n";	3545	warn "end emergency map save\n";
3124		3546
3125	warn "begin emergency database checkpoint\n";	3547	warn "begin emergency database checkpoint\n";
3126	BDB::db_env_txn_checkpoint $DB_ENV;	3548	BDB::db_env_txn_checkpoint $DB_ENV;
3127	warn "end emergency database checkpoint\n";	3549	warn "end emergency database checkpoint\n";
		3550
		3551	warn "begin write uuid\n";
		3552	write_uuid_sync 1;
		3553	warn "end write uuid\n";
3128	};	3554	};
3129		3555
3130	warn "leave emergency perl save\n";	3556	warn "leave emergency perl save\n";
3131	}	3557	}
3132		3558
3133	sub post_cleanup {	3559	sub post_cleanup {
3134	my ($make_core) = @_;	3560	my ($make_core) = @_;
3135		3561
3136	warn Carp::longmess "post_cleanup backtrace"	3562	warn Carp::longmess "post_cleanup backtrace"
3137	if $make_core;	3563	if $make_core;
		3564
		3565	my $fh = pidfile;
		3566	unlink $PIDFILE if <$fh> == $$;
3138	}	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 $RELOAD; # how many times to reload
3139		3596
3140	sub do_reload_perl() {	3597	sub do_reload_perl() {
3141	# can/must only be called in main	3598	# can/must only be called in main
3142	if ($Coro::current != $Coro::main) {	3599	if ($Coro::current != $Coro::main) {
3143	warn "can only reload from main coroutine";	3600	warn "can only reload from main coroutine";
3144	return;	3601	return;
3145	}	3602	}
3146		3603
		3604	return if $RELOAD++;
		3605
		3606	while ($RELOAD) {
3147	warn "reloading...";	3607	warn "reloading...";
3148		3608
3149	warn "entering sync_job";	3609	warn "entering sync_job";
3150		3610
3151	cf::sync_job {	3611	cf::sync_job {
3152	cf::write_runtime; # external watchdog should not bark	3612	cf::write_runtime_sync; # external watchdog should not bark
3153	cf::emergency_save;	3613	cf::emergency_save;
3154	cf::write_runtime; # external watchdog should not bark	3614	cf::write_runtime_sync; # external watchdog should not bark
3155		3615
3156	warn "syncing database to disk";	3616	warn "syncing database to disk";
3157	BDB::db_env_txn_checkpoint $DB_ENV;	3617	BDB::db_env_txn_checkpoint $DB_ENV;
3158		3618
3159	# 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
3160		3620
3161	warn "cancelling all WF_AUTOCANCEL watchers";
3162	for (Event::all_watchers) {
3163	$_->cancel if $_->data & WF_AUTOCANCEL;
3164	}
3165
3166	warn "flushing outstanding aio requests";	3621	warn "flushing outstanding aio requests";
3167	for (;;) {
3168	BDB::flush;
3169	IO::AIO::flush;
3170	Coro::cede;
3171	last unless IO::AIO::nreqs || BDB::nreqs;	3622	while (IO::AIO::nreqs || BDB::nreqs) {
3172	warn "iterate...";	3623	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3173	}
3174
3175	++$RELOAD;
3176
3177	warn "cancelling all extension coros";
3178	$_->cancel for values %EXT_CORO;
3179	%EXT_CORO = ();
3180
3181	warn "removing commands";
3182	%COMMAND = ();
3183
3184	warn "removing ext/exti commands";
3185	%EXTCMD = ();
3186	%EXTICMD = ();
3187
3188	warn "unloading/nuking all extensions";
3189	for my $pkg (@EXTS) {
3190	warn "... unloading $pkg";
3191
3192	if (my $cb = $pkg->can ("unload")) {
3193	eval {
3194	$cb->($pkg);
3195	1
3196	} or warn "$pkg unloaded, but with errors: $@";
3197	}	3624	}
3198		3625
3199	warn "... nuking $pkg";	3626	warn "cancelling all extension coros";
3200	Symbol::delete_package $pkg;	3627	$_->cancel for values %EXT_CORO;
3201	}	3628	%EXT_CORO = ();
3202		3629
3203	warn "unloading all perl modules loaded from $LIBDIR";	3630	warn "removing commands";
3204	while (my ($k, $v) = each %INC) {	3631	%COMMAND = ();
3205	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3206		3632
		3633	warn "removing ext/exti commands";
		3634	%EXTCMD = ();
		3635	%EXTICMD = ();
		3636
		3637	warn "unloading/nuking all extensions";
		3638	for my $pkg (@EXTS) {
3207	warn "... unloading $k";	3639	warn "... unloading $pkg";
3208	delete $INC{$k};
3209		3640
3210	$k =~ s/\.pm$//;
3211	$k =~ s/\//::/g;
3212
3213	if (my $cb = $k->can ("unload_module")) {	3641	if (my $cb = $pkg->can ("unload")) {
		3642	eval {
3214	$cb->();	3643	$cb->($pkg);
		3644	1
		3645	} or warn "$pkg unloaded, but with errors: $@";
		3646	}
		3647
		3648	warn "... clearing $pkg";
		3649	clear_package $pkg;
3215	}	3650	}
3216		3651
3217	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 $k;
3218	}	3667	}
3219		3668
3220	warn "getting rid of safe::, as good as possible";	3669	warn "getting rid of safe::, as good as possible";
3221	Symbol::delete_package "safe::$_"	3670	clear_package "safe::$_"
3222	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);
3223		3672
3224	warn "unloading cf.pm \"a bit\"";	3673	warn "unloading cf.pm \"a bit\"";
3225	delete $INC{"cf.pm"};	3674	delete $INC{"cf.pm"};
3226	delete $INC{"cf/pod.pm"};	3675	delete $INC{"cf/pod.pm"};
3227		3676
3228	# don't, removes xs symbols, too,	3677	# don't, removes xs symbols, too,
3229	# and global variables created in xs	3678	# and global variables created in xs
3230	#Symbol::delete_package __PACKAGE__;	3679	#clear_package __PACKAGE__;
3231		3680
3232	warn "unload completed, starting to reload now";	3681	warn "unload completed, starting to reload now";
3233		3682
3234	warn "reloading cf.pm";	3683	warn "reloading cf.pm";
3235	require cf;	3684	require cf;
3236	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3685	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3237		3686
3238	warn "loading config and database again";	3687	warn "loading config and database again";
3239	cf::reload_config;	3688	cf::reload_config;
3240		3689
3241	warn "loading extensions";	3690	warn "loading extensions";
3242	cf::load_extensions;	3691	cf::load_extensions;
3243		3692
3244	warn "reattaching attachments to objects/players";	3693	warn "reattaching attachments to objects/players";
3245	_global_reattach; # objects, sockets	3694	_global_reattach; # objects, sockets
3246	warn "reattaching attachments to maps";	3695	warn "reattaching attachments to maps";
3247	reattach $_ for values %MAP;	3696	reattach $_ for values %MAP;
3248	warn "reattaching attachments to players";	3697	warn "reattaching attachments to players";
3249	reattach $_ for values %PLAYER;	3698	reattach $_ for values %PLAYER;
3250		3699
3251	warn "leaving sync_job";	3700	warn "leaving sync_job";
3252		3701
3253	1	3702	1
3254	} or do {	3703	} or do {
3255	warn $@;	3704	warn $@;
3256	warn "error while reloading, exiting.";	3705	cf::cleanup "error while reloading, exiting.";
3257	exit 1;
3258	};	3706	};
3259		3707
3260	warn "reloaded";	3708	warn "reloaded";
		3709	--$RELOAD;
		3710	}
3261	};	3711	};
3262		3712
3263	our $RELOAD_WATCHER; # used only during reload	3713	our $RELOAD_WATCHER; # used only during reload
3264		3714
3265	sub reload_perl() {	3715	sub reload_perl() {
3266	# doing reload synchronously and two reloads happen back-to-back,	3716	# doing reload synchronously and two reloads happen back-to-back,
3267	# coro crashes during coro_state_free->destroy here.	3717	# coro crashes during coro_state_free->destroy here.
3268		3718
3269	$RELOAD_WATCHER ||= Event->timer (	3719	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3270	reentrant => 0,
3271	after => 0,
3272	data => WF_AUTOCANCEL,
3273	cb => sub {
3274	do_reload_perl;	3720	do_reload_perl;
3275	undef $RELOAD_WATCHER;	3721	undef $RELOAD_WATCHER;
3276	},
3277	);	3722	};
3278	}	3723	}
3279		3724
3280	register_command "reload" => sub {	3725	register_command "reload" => sub {
3281	my ($who, $arg) = @_;	3726	my ($who, $arg) = @_;
3282		3727
3283	if ($who->flag (FLAG_WIZ)) {	3728	if ($who->flag (FLAG_WIZ)) {
3284	$who->message ("reloading server.");	3729	$who->message ("reloading server.");
		3730	async {
		3731	$Coro::current->{desc} = "perl_reload";
3285	async { reload_perl };	3732	reload_perl;
		3733	};
3286	}	3734	}
3287	};	3735	};
3288		3736
3289	unshift @INC, $LIBDIR;	3737	unshift @INC, $LIBDIR;
3290		3738
…		…
3292		3740
3293	our @WAIT_FOR_TICK;	3741	our @WAIT_FOR_TICK;
3294	our @WAIT_FOR_TICK_BEGIN;	3742	our @WAIT_FOR_TICK_BEGIN;
3295		3743
3296	sub wait_for_tick {	3744	sub wait_for_tick {
3297	return unless $TICK_WATCHER->is_active;
3298	return if $Coro::current == $Coro::main;	3745	return if tick_inhibit || $Coro::current == $Coro::main;
3299		3746
3300	my $signal = new Coro::Signal;	3747	my $signal = new Coro::Signal;
3301	push @WAIT_FOR_TICK, $signal;	3748	push @WAIT_FOR_TICK, $signal;
3302	$signal->wait;	3749	$signal->wait;
3303	}	3750	}
3304		3751
3305	sub wait_for_tick_begin {	3752	sub wait_for_tick_begin {
3306	return unless $TICK_WATCHER->is_active;
3307	return if $Coro::current == $Coro::main;	3753	return if tick_inhibit || $Coro::current == $Coro::main;
3308		3754
3309	my $signal = new Coro::Signal;	3755	my $signal = new Coro::Signal;
3310	push @WAIT_FOR_TICK_BEGIN, $signal;	3756	push @WAIT_FOR_TICK_BEGIN, $signal;
3311	$signal->wait;	3757	$signal->wait;
3312	}	3758	}
3313		3759
3314	my $min = 1e6;#d#	3760	sub tick {
3315	my $avg = 10;
3316	$TICK_WATCHER = Event->timer (
3317	reentrant => 0,
3318	parked => 1,
3319	prio => 0,
3320	at => $NEXT_TICK || $TICK,
3321	data => WF_AUTOCANCEL,
3322	cb => sub {
3323	if ($Coro::current != $Coro::main) {	3761	if ($Coro::current != $Coro::main) {
3324	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3762	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3325	unless ++$bug_warning > 10;	3763	unless ++$bug_warning > 10;
3326	return;	3764	return;
3327	}	3765	}
3328		3766
3329	$NOW = $tick_start = Event::time;
3330
3331	cf::server_tick; # one server iteration	3767	cf::server_tick; # one server iteration
3332		3768
3333	0 && sync_job {#d#	3769	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3334	for(1..10) {	3770	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3335	my $t = Event::time;	3771	Coro::async_pool {
3336	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3772	$Coro::current->{desc} = "runtime saver";
3337	or die;	3773	write_runtime_sync
3338		3774	or warn "ERROR: unable to write runtime file: $!";
3339	$map->width (50);
3340	$map->height (50);
3341	$map->alloc;
3342	$map->_load_objects ("/tmp/x.map", 1);
3343	my $t = Event::time - $t;
3344
3345	#next unless $t < 0.0013;#d#
3346	if ($t < $min) {
3347	$min = $t;
3348	}
3349	$avg = $avg * 0.99 + $t * 0.01;
3350	}
3351	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3352	exit 0;
3353	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3354	};	3775	};
		3776	}
3355		3777
3356	$RUNTIME += $TICK;
3357	$NEXT_TICK += $TICK;
3358
3359	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3360	$NEXT_RUNTIME_WRITE = $NOW + 10;
3361	Coro::async_pool {
3362	write_runtime
3363	or warn "ERROR: unable to write runtime file: $!";
3364	};
3365	}
3366
3367	# my $AFTER = Event::time;
3368	# warn $AFTER - $NOW;#d#
3369
3370	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3778	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3371	$sig->send;	3779	$sig->send;
3372	}	3780	}
3373	while (my $sig = shift @WAIT_FOR_TICK) {	3781	while (my $sig = shift @WAIT_FOR_TICK) {
3374	$sig->send;	3782	$sig->send;
3375	}	3783	}
3376		3784
3377	$NOW = Event::time;	3785	$LOAD = ($NOW - $TICK_START) / $TICK;
3378
3379	# if we are delayed by four ticks or more, skip them all
3380	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3381
3382	$TICK_WATCHER->at ($NEXT_TICK);
3383	$TICK_WATCHER->start;
3384
3385	$LOAD = ($NOW - $tick_start) / $TICK;
3386	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3786	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3387		3787
3388	_post_tick;	3788	if (0) {
3389		3789	if ($NEXT_TICK) {
3390		3790	my $jitter = $TICK_START - $NEXT_TICK;
		3791	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3792	warn "jitter $JITTER\n";#d#
		3793	}
3391	},	3794	}
3392	);	3795	}
3393		3796
3394	{	3797	{
3395	BDB::max_poll_time $TICK * 0.1;	3798	# configure BDB
3396	$BDB_POLL_WATCHER = Event->io (	3799
3397	reentrant => 0,
3398	fd => BDB::poll_fileno,
3399	poll => 'r',
3400	prio => 0,
3401	data => WF_AUTOCANCEL,
3402	cb => \&BDB::poll_cb,
3403	);
3404	BDB::min_parallel 8;	3800	BDB::min_parallel 8;
3405		3801	BDB::max_poll_reqs $TICK * 0.1;
3406	BDB::set_sync_prepare {	3802	$AnyEvent::BDB::WATCHER->priority (1);
3407	my $status;
3408	my $current = $Coro::current;
3409	(
3410	sub {
3411	$status = $!;
3412	$current->ready; undef $current;
3413	},
3414	sub {
3415	Coro::schedule while defined $current;
3416	$! = $status;
3417	},
3418	)
3419	};
3420		3803
3421	unless ($DB_ENV) {	3804	unless ($DB_ENV) {
3422	$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);
3423		3811
3424	cf::sync_job {	3812	cf::sync_job {
3425	eval {	3813	eval {
3426	BDB::db_env_open	3814	BDB::db_env_open
3427	$DB_ENV,	3815	$DB_ENV,
…		…
3429	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3817	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3430	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3818	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3431	0666;	3819	0666;
3432		3820
3433	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3821	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3434
3435	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3436	$DB_ENV->set_lk_detect;
3437	};	3822	};
3438		3823
3439	cf::cleanup "db_env_open(db): $@" if $@;	3824	cf::cleanup "db_env_open(db): $@" if $@;
3440	};	3825	};
3441	}	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	};
3442	}	3837	}
3443		3838
3444	{	3839	{
		3840	# configure IO::AIO
		3841
3445	IO::AIO::min_parallel 8;	3842	IO::AIO::min_parallel 8;
3446
3447	undef $Coro::AIO::WATCHER;
3448	IO::AIO::max_poll_time $TICK * 0.1;	3843	IO::AIO::max_poll_time $TICK * 0.1;
3449	$AIO_POLL_WATCHER = Event->io (	3844	undef $AnyEvent::AIO::WATCHER;
3450	reentrant => 0,
3451	data => WF_AUTOCANCEL,
3452	fd => IO::AIO::poll_fileno,
3453	poll => 'r',
3454	prio => 6,
3455	cb => \&IO::AIO::poll_cb,
3456	);
3457	}	3845	}
3458		3846
3459	my $_log_backtrace;	3847	my $_log_backtrace;
3460		3848
3461	sub _log_backtrace {	3849	sub _log_backtrace {
…		…
3464	$msg =~ s/\n//;	3852	$msg =~ s/\n//;
3465		3853
3466	# limit the # of concurrent backtraces	3854	# limit the # of concurrent backtraces
3467	if ($_log_backtrace < 2) {	3855	if ($_log_backtrace < 2) {
3468	++$_log_backtrace;	3856	++$_log_backtrace;
		3857	my $perl_bt = Carp::longmess $msg;
3469	async {	3858	async {
		3859	$Coro::current->{desc} = "abt $msg";
		3860
3470	my @bt = fork_call {	3861	my @bt = fork_call {
3471	@addr = map { sprintf "%x", $_ } @addr;	3862	@addr = map { sprintf "%x", $_ } @addr;
3472	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3863	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3473	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 |"
3474	or die "addr2line: $!";	3865	or die "addr2line: $!";
…		…
3482	}	3873	}
3483		3874
3484	@funcs	3875	@funcs
3485	};	3876	};
3486		3877
3487	LOG llevInfo, "[ABT] $msg\n";	3878	LOG llevInfo, "[ABT] $perl_bt\n";
		3879	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3488	LOG llevInfo, "[ABT] $_\n" for @bt;	3880	LOG llevInfo, "[ABT] $_\n" for @bt;
3489	--$_log_backtrace;	3881	--$_log_backtrace;
3490	};	3882	};
3491	} else {	3883	} else {
3492	LOG llevInfo, "[ABT] $msg\n";	3884	LOG llevInfo, "[ABT] $msg\n";

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