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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.352 by root, Sun Sep 2 04:57:14 2007 UTC vs.
Revision 1.445 by root, Wed Sep 10 18:18:10 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	68	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42		69
43	$Event::Eval = 1; # no idea why this is required, but it is
44
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		71
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	72	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
51		73
52	our %COMMAND = ();	74	our %COMMAND = ();
…		…
59	our %EXT_MAP = (); # pluggable maps	81	our %EXT_MAP = (); # pluggable maps
60		82
61	our $RELOAD; # number of reloads so far	83	our $RELOAD; # number of reloads so far
62	our @EVENT;	84	our @EVENT;
63		85
64	our $CONFDIR = confdir;	86	our $CONFDIR = confdir;
65	our $DATADIR = datadir;	87	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	88	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	89	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	90	our $MAPDIR = "$DATADIR/" . mapdir;
69	our $LOCALDIR = localdir;	91	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	92	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	93	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	94	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	95	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	96	our $BDBDIR = "$LOCALDIR/db";
		97	our $PIDFILE = "$LOCALDIR/pid";
		98	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		99
		100	our %RESOURCE;
75		101
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	102	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	103	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	104	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	105	our $USE_FSYNC = 1; # use fsync to write maps - default off
83		106
		107	our $BDB_DEADLOCK_WATCHER;
		108	our $BDB_CHECKPOINT_WATCHER;
84	our $BDB_POLL_WATCHER;	109	our $BDB_TRICKLE_WATCHER;
85	our $DB_ENV;	110	our $DB_ENV;
86		111
87	our %CFG;	112	our %CFG;
88		113
89	our $UPTIME; $UPTIME ||= time;	114	our $UPTIME; $UPTIME ||= time;
90	our $RUNTIME;	115	our $RUNTIME;
		116	our $NOW;
91		117
92	our %PLAYER; # all users	118	our (%PLAYER, %PLAYER_LOADING); # all users
93	our %MAP; # all maps	119	our (%MAP, %MAP_LOADING ); # all maps
94	our $LINK_MAP; # the special {link} map, which is always available	120	our $LINK_MAP; # the special {link} map, which is always available
95		121
96	# used to convert map paths into valid unix filenames by replacing / by ∕	122	# used to convert map paths into valid unix filenames by replacing / by ∕
97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	123	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98		124
99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	125	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100	our $LOADAVG; # same thing, but with alpha-smoothing	126	our $LOADAVG; # same thing, but with alpha-smoothing
		127	our $JITTER; # average jitter
101	our $tick_start; # for load detecting purposes	128	our $TICK_START; # for load detecting purposes
102		129
103	binmode STDOUT;	130	binmode STDOUT;
104	binmode STDERR;	131	binmode STDERR;
105		132
106	# read virtual server time, if available	133	# read virtual server time, if available
107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	134	unless ($RUNTIME || !-e $RUNTIMEFILE) {
108	open my $fh, "<", "$LOCALDIR/runtime"	135	open my $fh, "<", $RUNTIMEFILE
109	or die "unable to read runtime file: $!";	136	or die "unable to read $RUNTIMEFILE file: $!";
110	$RUNTIME = <$fh> + 0.;	137	$RUNTIME = <$fh> + 0.;
111	}	138	}
112		139
113	mkdir $_	140	mkdir $_
114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	141	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
159		186
160	The raw value load value from the last tick.	187	The raw value load value from the last tick.
161		188
162	=item %cf::CFG	189	=item %cf::CFG
163		190
164	Configuration for the server, loaded from C</etc/crossfire/config>, or	191	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
165	from wherever your confdir points to.	192	from wherever your confdir points to.
166		193
167	=item cf::wait_for_tick, cf::wait_for_tick_begin	194	=item cf::wait_for_tick, cf::wait_for_tick_begin
168		195
169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	196	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
…		…
187	$msg .= "\n"	214	$msg .= "\n"
188	unless $msg =~ /\n$/;	215	unless $msg =~ /\n$/;
189		216
190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	217	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191		218
192	utf8::encode $msg;
193	LOG llevError, $msg;	219	LOG llevError, $msg;
194	};	220	};
195	}	221	}
		222
		223	$Coro::State::DIEHOOK = sub {
		224	return unless $^S eq 0; # "eq", not "=="
		225
		226	if ($Coro::current == $Coro::main) {#d#
		227	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		228	return;#d#
		229	}#d#
		230
		231	# kill coroutine otherwise
		232	warn Carp::longmess $_[0];
		233	Coro::terminate
		234	};
		235
		236	$SIG{__DIE__} = sub { }; #d#?
196		237
197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	238	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	239	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	240	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	241	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
207	for my $pkg (qw(	248	for my $pkg (qw(
208	cf::global cf::attachable	249	cf::global cf::attachable
209	cf::object cf::object::player	250	cf::object cf::object::player
210	cf::client cf::player	251	cf::client cf::player
211	cf::arch cf::living	252	cf::arch cf::living
		253	cf::map cf::mapspace
212	cf::map cf::party cf::region	254	cf::party cf::region
213	)) {	255	)) {
214	no strict 'refs';
215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	256	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
216	}	257	}
217		258
218	$Event::DIED = sub {	259	$EV::DIED = sub {
219	warn "error in event callback: @_";	260	warn "error in event callback: @_";
220	};	261	};
221		262
222	#############################################################################	263	#############################################################################
223		264
…		…
246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	287	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
247	$d	288	$d
248	} || "[unable to dump $_[0]: '$@']";	289	} || "[unable to dump $_[0]: '$@']";
249	}	290	}
250		291
251	=item $ref = cf::from_json $json	292	=item $ref = cf::decode_json $json
252		293
253	Converts a JSON string into the corresponding perl data structure.	294	Converts a JSON string into the corresponding perl data structure.
254		295
255	=item $json = cf::to_json $ref	296	=item $json = cf::encode_json $ref
256		297
257	Converts a perl data structure into its JSON representation.	298	Converts a perl data structure into its JSON representation.
258		299
259	=cut	300	=cut
260		301
261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	302	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
262		303
263	sub to_json ($) { $json_coder->encode ($_[0]) }	304	sub encode_json($) { $json_coder->encode ($_[0]) }
264	sub from_json ($) { $json_coder->decode ($_[0]) }	305	sub decode_json($) { $json_coder->decode ($_[0]) }
265		306
266	=item cf::lock_wait $string	307	=item cf::lock_wait $string
267		308
268	Wait until the given lock is available. See cf::lock_acquire.	309	Wait until the given lock is available. See cf::lock_acquire.
269		310
…		…
285	Return true if the lock is currently active, i.e. somebody has locked it.	326	Return true if the lock is currently active, i.e. somebody has locked it.
286		327
287	=cut	328	=cut
288		329
289	our %LOCK;	330	our %LOCK;
		331	our %LOCKER;#d#
290		332
291	sub lock_wait($) {	333	sub lock_wait($) {
292	my ($key) = @_;	334	my ($key) = @_;
		335
		336	if ($LOCKER{$key} == $Coro::current) {#d#
		337	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		338	return;#d#
		339	}#d#
293		340
294	# wait for lock, if any	341	# wait for lock, if any
295	while ($LOCK{$key}) {	342	while ($LOCK{$key}) {
296	push @{ $LOCK{$key} }, $Coro::current;	343	push @{ $LOCK{$key} }, $Coro::current;
297	Coro::schedule;	344	Coro::schedule;
…		…
303		350
304	# wait, to be sure we are not locked	351	# wait, to be sure we are not locked
305	lock_wait $key;	352	lock_wait $key;
306		353
307	$LOCK{$key} = [];	354	$LOCK{$key} = [];
		355	$LOCKER{$key} = $Coro::current;#d#
308		356
309	Coro::guard {	357	Coro::guard {
		358	delete $LOCKER{$key};#d#
310	# wake up all waiters, to be on the safe side	359	# wake up all waiters, to be on the safe side
311	$_->ready for @{ delete $LOCK{$key} };	360	$_->ready for @{ delete $LOCK{$key} };
312	}	361	}
313	}	362	}
314		363
…		…
317		366
318	! ! $LOCK{$key}	367	! ! $LOCK{$key}
319	}	368	}
320		369
321	sub freeze_mainloop {	370	sub freeze_mainloop {
322	return unless $TICK_WATCHER->is_active;	371	tick_inhibit_inc;
323		372
324	my $guard = Coro::guard {	373	Coro::guard \&tick_inhibit_dec;
325	$TICK_WATCHER->start;	374	}
326	};	375
327	$TICK_WATCHER->stop;	376	=item cf::periodic $interval, $cb
328	$guard	377
		378	Like EV::periodic, but randomly selects a starting point so that the actions
		379	get spread over timer.
		380
		381	=cut
		382
		383	sub periodic($$) {
		384	my ($interval, $cb) = @_;
		385
		386	my $start = rand List::Util::min 180, $interval;
		387
		388	EV::periodic $start, $interval, 0, $cb
329	}	389	}
330		390
331	=item cf::get_slot $time[, $priority[, $name]]	391	=item cf::get_slot $time[, $priority[, $name]]
332		392
333	Allocate $time seconds of blocking CPU time at priority C<$priority>:	393	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
344	our @SLOT_QUEUE;	404	our @SLOT_QUEUE;
345	our $SLOT_QUEUE;	405	our $SLOT_QUEUE;
346		406
347	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	407	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
348	$SLOT_QUEUE = Coro::async {	408	$SLOT_QUEUE = Coro::async {
		409	$Coro::current->desc ("timeslot manager");
		410
349	my $signal = new Coro::Signal;	411	my $signal = new Coro::Signal;
350		412
351	while () {	413	while () {
352	next_job:	414	next_job:
353	my $avail = cf::till_tick;	415	my $avail = cf::till_tick;
…		…
361	}	423	}
362	}	424	}
363	}	425	}
364		426
365	if (@SLOT_QUEUE) {	427	if (@SLOT_QUEUE) {
366	# we do not use wait_For_tick() as it returns immediately when tick is inactive	428	# we do not use wait_for_tick() as it returns immediately when tick is inactive
367	push @cf::WAIT_FOR_TICK, $signal;	429	push @cf::WAIT_FOR_TICK, $signal;
368	$signal->wait;	430	$signal->wait;
369	} else {	431	} else {
370	Coro::schedule;	432	Coro::schedule;
371	}	433	}
372	}	434	}
373	};	435	};
374		436
375	sub get_slot($;$$) {	437	sub get_slot($;$$) {
		438	return if tick_inhibit || $Coro::current == $Coro::main;
		439
376	my ($time, $pri, $name) = @_;	440	my ($time, $pri, $name) = @_;
377		441
378	$time = $TICK * .6 if $time > $TICK * .6;	442	$time = $TICK * .6 if $time > $TICK * .6;
379	my $sig = new Coro::Signal;	443	my $sig = new Coro::Signal;
380		444
…		…
394		458
395	BEGIN { *async = \&Coro::async_pool }	459	BEGIN { *async = \&Coro::async_pool }
396		460
397	=item cf::sync_job { BLOCK }	461	=item cf::sync_job { BLOCK }
398		462
399	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	463	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	464	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	465	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
402	acceptable.	466	acceptable.
403		467
404	If it must be done, put the blocking parts into C<sync_job>. This will run	468	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	469	the given BLOCK in another coroutine while waiting for the result. The
…		…
410		474
411	sub sync_job(&) {	475	sub sync_job(&) {
412	my ($job) = @_;	476	my ($job) = @_;
413		477
414	if ($Coro::current == $Coro::main) {	478	if ($Coro::current == $Coro::main) {
415	my $time = Event::time;	479	my $time = EV::time;
416		480
417	# this is the main coro, too bad, we have to block	481	# this is the main coro, too bad, we have to block
418	# till the operation succeeds, freezing the server :/	482	# till the operation succeeds, freezing the server :/
419		483
420	# TODO: use suspend/resume instead	484	LOG llevError, Carp::longmess "sync job";#d#
421	# (but this is cancel-safe)	485
422	my $freeze_guard = freeze_mainloop;	486	my $freeze_guard = freeze_mainloop;
423		487
424	my $busy = 1;	488	my $busy = 1;
425	my @res;	489	my @res;
426		490
427	(async {	491	(async {
		492	$Coro::current->desc ("sync job coro");
428	@res = eval { $job->() };	493	@res = eval { $job->() };
429	warn $@ if $@;	494	warn $@ if $@;
430	undef $busy;	495	undef $busy;
431	})->prio (Coro::PRIO_MAX);	496	})->prio (Coro::PRIO_MAX);
432		497
433	while ($busy) {	498	while ($busy) {
434	Coro::cede or Event::one_event;	499	if (Coro::nready) {
		500	Coro::cede_notself;
		501	} else {
		502	EV::loop EV::LOOP_ONESHOT;
435	}	503	}
		504	}
436		505
437	$time = Event::time - $time;	506	my $time = EV::time - $time;
438		507
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	508	$TICK_START += $time; # do not account sync jobs to server load
443		509
444	wantarray ? @res : $res[0]	510	wantarray ? @res : $res[0]
445	} else {	511	} else {
446	# we are in another coroutine, how wonderful, everything just works	512	# we are in another coroutine, how wonderful, everything just works
447		513
…		…
472	=item fork_call { }, $args	538	=item fork_call { }, $args
473		539
474	Executes the given code block with the given arguments in a seperate	540	Executes the given code block with the given arguments in a seperate
475	process, returning the results. Everything must be serialisable with	541	process, returning the results. Everything must be serialisable with
476	Coro::Storable. May, of course, block. Note that the executed sub may	542	Coro::Storable. May, of course, block. Note that the executed sub may
477	never block itself or use any form of Event handling.	543	never block itself or use any form of event handling.
478		544
479	=cut	545	=cut
480		546
481	sub fork_call(&@) {	547	sub fork_call(&@) {
482	my ($cb, @args) = @_;	548	my ($cb, @args) = @_;
483		549
484	# we seemingly have to make a local copy of the whole thing,	550	# we seemingly have to make a local copy of the whole thing,
485	# otherwise perl prematurely frees the stuff :/	551	# otherwise perl prematurely frees the stuff :/
486	# TODO: investigate and fix (liekly this will be rather laborious)	552	# TODO: investigate and fix (likely this will be rather laborious)
487		553
488	my @res = Coro::Util::fork_eval {	554	my @res = Coro::Util::fork_eval {
489	reset_signals;	555	reset_signals;
490	&$cb	556	&$cb
491	}, @args;	557	}, @args;
492		558
493	wantarray ? @res : $res[-1]	559	wantarray ? @res : $res[-1]
494	}	560	}
495		561
		562	=item $coin = coin_from_name $name
		563
		564	=cut
		565
		566	our %coin_alias = (
		567	"silver" => "silvercoin",
		568	"silvercoin" => "silvercoin",
		569	"silvercoins" => "silvercoin",
		570	"gold" => "goldcoin",
		571	"goldcoin" => "goldcoin",
		572	"goldcoins" => "goldcoin",
		573	"platinum" => "platinacoin",
		574	"platinumcoin" => "platinacoin",
		575	"platinumcoins" => "platinacoin",
		576	"platina" => "platinacoin",
		577	"platinacoin" => "platinacoin",
		578	"platinacoins" => "platinacoin",
		579	"royalty" => "royalty",
		580	"royalties" => "royalty",
		581	);
		582
		583	sub coin_from_name($) {
		584	$coin_alias{$_[0]}
		585	? cf::arch::find $coin_alias{$_[0]}
		586	: undef
		587	}
		588
496	=item $value = cf::db_get $family => $key	589	=item $value = cf::db_get $family => $key
497		590
498	Returns a single value from the environment database.	591	Returns a single value from the environment database.
499		592
500	=item cf::db_put $family => $key => $value	593	=item cf::db_put $family => $key => $value
501		594
502	Stores the given C<$value> in the family. It can currently store binary	595	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).	596	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
504		597
		598	=item $db = cf::db_table "name"
		599
		600	Create and/or open a new database table. The string must not be "db" and must be unique
		601	within each server.
		602
505	=cut	603	=cut
		604
		605	sub db_table($) {
		606	my ($name) = @_;
		607	my $db = BDB::db_create $DB_ENV;
		608
		609	eval {
		610	$db->set_flags (BDB::CHKSUM);
		611
		612	utf8::encode $name;
		613	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		614	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		615	cf::cleanup "db_open(db): $!" if $!;
		616	};
		617	cf::cleanup "db_open(db): $@" if $@;
		618
		619	$db
		620	}
506		621
507	our $DB;	622	our $DB;
508		623
509	sub db_init {	624	sub db_init {
510	unless ($DB) {
511	$DB = BDB::db_create $DB_ENV;
512
513	cf::sync_job {	625	cf::sync_job {
514	eval {	626	$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	}	627	};
524	}	628	}
525		629
526	sub db_get($$) {	630	sub db_get($$) {
527	my $key = "$_[0]/$_[1]";	631	my $key = "$_[0]/$_[1]";
528		632
…		…
632	attach callbacks/event handlers (a collection of which is called an "attachment")	736	attach callbacks/event handlers (a collection of which is called an "attachment")
633	to it. All such attachable objects support the following methods.	737	to it. All such attachable objects support the following methods.
634		738
635	In the following description, CLASS can be any of C<global>, C<object>	739	In the following description, CLASS can be any of C<global>, C<object>
636	C<player>, C<client> or C<map> (i.e. the attachable objects in	740	C<player>, C<client> or C<map> (i.e. the attachable objects in
637	Crossfire TRT).	741	Deliantra).
638		742
639	=over 4	743	=over 4
640		744
641	=item $attachable->attach ($attachment, key => $value...)	745	=item $attachable->attach ($attachment, key => $value...)
642		746
…		…
924	}	1028	}
925		1029
926	0	1030	0
927	}	1031	}
928		1032
929	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1033	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
930		1034
931	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1035	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
932		1036
933	Generate an object-specific event with the given arguments.	1037	Generate an object-specific event with the given arguments.
934		1038
…		…
940		1044
941	=cut	1045	=cut
942		1046
943	#############################################################################	1047	#############################################################################
944	# object support	1048	# object support
945	#
946		1049
		1050	sub _object_equal($$);
		1051	sub _object_equal($$) {
		1052	my ($a, $b) = @_;
		1053
		1054	return 0 unless (ref $a) eq (ref $b);
		1055
		1056	if ("HASH" eq ref $a) {
		1057	my @ka = keys %$a;
		1058	my @kb = keys %$b;
		1059
		1060	return 0 if @ka != @kb;
		1061
		1062	for (0 .. $#ka) {
		1063	return 0 unless $ka[$_] eq $kb[$_];
		1064	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1065	}
		1066
		1067	} elsif ("ARRAY" eq ref $a) {
		1068
		1069	return 0 if @$a != @$b;
		1070
		1071	for (0 .. $#$a) {
		1072	return 0 unless _object_equal $a->[$_], $b->[$_];
		1073	}
		1074
		1075	} elsif ($a ne $b) {
		1076	return 0;
		1077	}
		1078
		1079	1
		1080	}
		1081
		1082	our $SLOW_MERGES;#d#
947	sub _can_merge {	1083	sub _can_merge {
948	my ($ob1, $ob2) = @_;	1084	my ($ob1, $ob2) = @_;
949		1085
950	local $Storable::canonical = 1;	1086	++$SLOW_MERGES;#d#
951	my $fob1 = Storable::freeze $ob1;
952	my $fob2 = Storable::freeze $ob2;
953		1087
954	$fob1 eq $fob2	1088	# we do the slow way here
		1089	return _object_equal $ob1, $ob2
955	}	1090	}
956		1091
957	sub reattach {	1092	sub reattach {
958	# basically do the same as instantiate, without calling instantiate	1093	# basically do the same as instantiate, without calling instantiate
959	my ($obj) = @_;	1094	my ($obj) = @_;
960		1095
		1096	# no longer needed after getting rid of delete_package?
961	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1097	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
962		1098
963	my $registry = $obj->registry;	1099	my $registry = $obj->registry;
964		1100
965	@$registry = ();	1101	@$registry = ();
966		1102
…		…
981	cf::attachable->attach (	1117	cf::attachable->attach (
982	prio => -1000000,	1118	prio => -1000000,
983	on_instantiate => sub {	1119	on_instantiate => sub {
984	my ($obj, $data) = @_;	1120	my ($obj, $data) = @_;
985		1121
986	$data = from_json $data;	1122	$data = decode_json $data;
987		1123
988	for (@$data) {	1124	for (@$data) {
989	my ($name, $args) = @$_;	1125	my ($name, $args) = @$_;
990		1126
991	$obj->attach ($name, %{$args || {} });	1127	$obj->attach ($name, %{$args || {} });
…		…
1007	sub object_freezer_save {	1143	sub object_freezer_save {
1008	my ($filename, $rdata, $objs) = @_;	1144	my ($filename, $rdata, $objs) = @_;
1009		1145
1010	sync_job {	1146	sync_job {
1011	if (length $$rdata) {	1147	if (length $$rdata) {
		1148	utf8::decode (my $decname = $filename);
1012	warn sprintf "saving %s (%d,%d)\n",	1149	warn sprintf "saving %s (%d,%d)\n",
1013	$filename, length $$rdata, scalar @$objs;	1150	$decname, length $$rdata, scalar @$objs;
1014		1151
1015	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1152	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1016	chmod SAVE_MODE, $fh;	1153	aio_chmod $fh, SAVE_MODE;
1017	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1154	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1018	aio_fsync $fh if $cf::USE_FSYNC;	1155	aio_fsync $fh if $cf::USE_FSYNC;
1019	close $fh;	1156	aio_close $fh;
1020		1157
1021	if (@$objs) {	1158	if (@$objs) {
1022	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1159	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1023	chmod SAVE_MODE, $fh;	1160	aio_chmod $fh, SAVE_MODE;
1024	my $data = Storable::nfreeze { version => 1, objs => $objs };	1161	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1025	aio_write $fh, 0, (length $data), $data, 0;	1162	aio_write $fh, 0, (length $data), $data, 0;
1026	aio_fsync $fh if $cf::USE_FSYNC;	1163	aio_fsync $fh if $cf::USE_FSYNC;
1027	close $fh;	1164	aio_close $fh;
1028	aio_rename "$filename.pst~", "$filename.pst";	1165	aio_rename "$filename.pst~", "$filename.pst";
1029	}	1166	}
1030	} else {	1167	} else {
1031	aio_unlink "$filename.pst";	1168	aio_unlink "$filename.pst";
1032	}	1169	}
…		…
1037	}	1174	}
1038	} else {	1175	} else {
1039	aio_unlink $filename;	1176	aio_unlink $filename;
1040	aio_unlink "$filename.pst";	1177	aio_unlink "$filename.pst";
1041	}	1178	}
1042	}	1179	};
1043	}	1180	}
1044		1181
1045	sub object_freezer_as_string {	1182	sub object_freezer_as_string {
1046	my ($rdata, $objs) = @_;	1183	my ($rdata, $objs) = @_;
1047		1184
…		…
1059	or return;	1196	or return;
1060		1197
1061	unless (aio_stat "$filename.pst") {	1198	unless (aio_stat "$filename.pst") {
1062	(aio_load "$filename.pst", $av) >= 0	1199	(aio_load "$filename.pst", $av) >= 0
1063	or return;	1200	or return;
		1201
1064	$av = eval { (Storable::thaw $av)->{objs} };	1202	my $st = eval { Coro::Storable::thaw $av };
		1203	$av = $st->{objs};
1065	}	1204	}
1066		1205
		1206	utf8::decode (my $decname = $filename);
1067	warn sprintf "loading %s (%d)\n",	1207	warn sprintf "loading %s (%d,%d)\n",
1068	$filename, length $data, scalar @{$av || []};	1208	$decname, length $data, scalar @{$av || []};
		1209
1069	return ($data, $av);	1210	($data, $av)
1070	}	1211	}
1071		1212
1072	=head2 COMMAND CALLBACKS	1213	=head2 COMMAND CALLBACKS
1073		1214
1074	=over 4	1215	=over 4
…		…
1197		1338
1198	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1339	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1199	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1340	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1200		1341
1201	$ext{source} =	1342	$ext{source} =
1202	"package $pkg; use strict; use utf8;\n"	1343	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1203	. "#line 1 \"$path\"\n{\n"	1344	. "#line 1 \"$path\"\n{\n"
1204	. $source	1345	. $source
1205	. "\n};\n1";	1346	. "\n};\n1";
1206		1347
1207	$todo{$base} = \%ext;	1348	$todo{$base} = \%ext;
…		…
1223	my $msg = $@ ? "$v->{path}: $@\n"	1364	my $msg = $@ ? "$v->{path}: $@\n"
1224	: "$v->{base}: extension inactive.\n";	1365	: "$v->{base}: extension inactive.\n";
1225		1366
1226	if (exists $v->{meta}{mandatory}) {	1367	if (exists $v->{meta}{mandatory}) {
1227	warn $msg;	1368	warn $msg;
1228	warn "mandatory extension failed to load, exiting.\n";	1369	cf::cleanup "mandatory extension failed to load, exiting.";
1229	exit 1;
1230	}	1370	}
1231		1371
1232	warn $msg;	1372	warn $msg;
1233	}	1373	}
1234		1374
…		…
1259	use Coro::AIO;	1399	use Coro::AIO;
1260		1400
1261	=head3 cf::player	1401	=head3 cf::player
1262		1402
1263	=over 4	1403	=over 4
		1404
		1405	=item cf::player::num_playing
		1406
		1407	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1408
		1409	=cut
		1410
		1411	sub num_playing {
		1412	scalar grep
		1413	$_->ob->map
		1414	&& !$_->hidden
		1415	&& !$_->ob->flag (cf::FLAG_WIZ),
		1416	cf::player::list
		1417	}
1264		1418
1265	=item cf::player::find $login	1419	=item cf::player::find $login
1266		1420
1267	Returns the given player object, loading it if necessary (might block).	1421	Returns the given player object, loading it if necessary (might block).
1268		1422
…		…
1304	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1458	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1305	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1459	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1306	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1460	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1307	aio_unlink +(playerdir $login) . "/$login.pl";	1461	aio_unlink +(playerdir $login) . "/$login.pl";
1308		1462
1309	my $pl = load_pl path $login	1463	my $f = new_from_file cf::object::thawer path $login
1310	or return;	1464	or return;
		1465
		1466	my $pl = cf::player::load_pl $f
		1467	or return;
		1468
		1469	local $cf::PLAYER_LOADING{$login} = $pl;
		1470	$f->resolve_delayed_derefs;
1311	$cf::PLAYER{$login} = $pl	1471	$cf::PLAYER{$login} = $pl
1312	}	1472	}
1313	}	1473	}
1314	}	1474	}
1315		1475
…		…
1323		1483
1324	return if $pl->{deny_save};	1484	return if $pl->{deny_save};
1325		1485
1326	aio_mkdir playerdir $pl, 0770;	1486	aio_mkdir playerdir $pl, 0770;
1327	$pl->{last_save} = $cf::RUNTIME;	1487	$pl->{last_save} = $cf::RUNTIME;
		1488
		1489	cf::get_slot 0.01;
1328		1490
1329	$pl->save_pl ($path);	1491	$pl->save_pl ($path);
1330	cf::cede_to_tick;	1492	cf::cede_to_tick;
1331	}	1493	}
1332		1494
…		…
1364	my ($pl) = @_;	1526	my ($pl) = @_;
1365		1527
1366	my $name = $pl->ob->name;	1528	my $name = $pl->ob->name;
1367		1529
1368	$pl->{deny_save} = 1;	1530	$pl->{deny_save} = 1;
1369	$pl->password ("*"); # this should lock out the player until we nuked the dir	1531	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1370		1532
1371	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1533	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1372	$pl->deactivate;	1534	$pl->deactivate;
		1535	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1536	$pl->ob->check_score;
1373	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1537	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1374	$pl->ns->destroy if $pl->ns;	1538	$pl->ns->destroy if $pl->ns;
1375		1539
1376	my $path = playerdir $pl;	1540	my $path = playerdir $pl;
1377	my $temp = "$path~$cf::RUNTIME~deleting~";	1541	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1413	or return [];	1577	or return [];
1414		1578
1415	my @logins;	1579	my @logins;
1416		1580
1417	for my $login (@$dirs) {	1581	for my $login (@$dirs) {
		1582	my $path = path $login;
		1583
		1584	# a .pst is a dead give-away for a valid player
		1585	# if no pst file found, open and chekc for blocked users
		1586	if (aio_stat "$path.pst") {
1418	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1587	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1419	aio_read $fh, 0, 512, my $buf, 0 or next;	1588	aio_read $fh, 0, 512, my $buf, 0 or next;
1420	$buf !~ /^password -------------$/m or next; # official not-valid tag	1589	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1590	}
1421		1591
1422	utf8::decode $login;	1592	utf8::decode $login;
1423	push @logins, $login;	1593	push @logins, $login;
1424	}	1594	}
1425		1595
…		…
1456		1626
1457	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1627	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1458		1628
1459	Expand crossfire pod fragments into protocol xml.	1629	Expand crossfire pod fragments into protocol xml.
1460		1630
1461	=cut
1462
1463	sub expand_cfpod {
1464	((my $self), (local $_)) = @_;
1465
1466	# escape & and <
1467	s/&/&amp;/g;
1468	s/(?<![BIUGHT])</&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	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1478	# replace G<male|female> tags
1479	|| s{G<([^>|]*)\|([^>]*)>}{
1480	$self->gender ? $2 : $1
1481	}ge
1482	# replace H<hint text>
1483	|| s{H<([^\>]*)>}
1484	{
1485	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1486	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1487	"")
1488	[$self->{hintmode}]
1489	}ge;
1490
1491	# create single paragraphs (very hackish)
1492	s/(?<=\S)\n(?=\w)/ /g;
1493
1494	# compress some whitespace
1495	s/\s+\n/\n/g; # ws line-ends
1496	s/\n\n+/\n/g; # double lines
1497	s/^\n+//; # beginning lines
1498	s/\n+$//; # ending lines
1499
1500	$_
1501	}
1502
1503	sub hintmode {
1504	$_[0]{hintmode} = $_[1] if @_ > 1;
1505	$_[0]{hintmode}
1506	}
1507
1508	=item $player->ext_reply ($msgid, @msg)	1631	=item $player->ext_reply ($msgid, @msg)
1509		1632
1510	Sends an ext reply to the player.	1633	Sends an ext reply to the player.
1511		1634
1512	=cut	1635	=cut
…		…
1578	our $MAX_RESET = 3600;	1701	our $MAX_RESET = 3600;
1579	our $DEFAULT_RESET = 3000;	1702	our $DEFAULT_RESET = 3000;
1580		1703
1581	sub generate_random_map {	1704	sub generate_random_map {
1582	my ($self, $rmp) = @_;	1705	my ($self, $rmp) = @_;
		1706
		1707	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1708
1583	# mit "rum" bekleckern, nicht	1709	# mit "rum" bekleckern, nicht
1584	$self->_create_random_map (	1710	$self->_create_random_map (
1585	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1711	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1586	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1712	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1587	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1713	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1709		1835
1710	# the temporary/swap location	1836	# the temporary/swap location
1711	sub save_path {	1837	sub save_path {
1712	my ($self) = @_;	1838	my ($self) = @_;
1713		1839
1714	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1840	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1715	"$TMPDIR/$path.map"	1841	"$TMPDIR/$path.map"
1716	}	1842	}
1717		1843
1718	# the unique path, undef == no special unique path	1844	# the unique path, undef == no special unique path
1719	sub uniq_path {	1845	sub uniq_path {
1720	my ($self) = @_;	1846	my ($self) = @_;
1721		1847
1722	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1848	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1723	"$UNIQUEDIR/$path"	1849	"$UNIQUEDIR/$path"
1724	}	1850	}
1725		1851
1726	# and all this just because we cannot iterate over	1852	# and all this just because we cannot iterate over
1727	# all maps in C++...	1853	# all maps in C++...
…		…
1750		1876
1751	sub load_header_from($) {	1877	sub load_header_from($) {
1752	my ($self, $path) = @_;	1878	my ($self, $path) = @_;
1753		1879
1754	utf8::encode $path;	1880	utf8::encode $path;
1755	#aio_open $path, O_RDONLY, 0	1881	my $f = new_from_file cf::object::thawer $path
1756	# or return;
1757
1758	$self->_load_header ($path)
1759	or return;	1882	or return;
		1883
		1884	$self->_load_header ($f)
		1885	or return;
		1886
		1887	local $MAP_LOADING{$self->{path}} = $self;
		1888	$f->resolve_delayed_derefs;
1760		1889
1761	$self->{load_path} = $path;	1890	$self->{load_path} = $path;
1762		1891
1763	1	1892	1
1764	}	1893	}
…		…
1818	sub find {	1947	sub find {
1819	my ($path, $origin) = @_;	1948	my ($path, $origin) = @_;
1820		1949
1821	$path = normalise $path, $origin && $origin->path;	1950	$path = normalise $path, $origin && $origin->path;
1822		1951
		1952	cf::lock_wait "map_data:$path";#d#remove
1823	cf::lock_wait "map_find:$path";	1953	cf::lock_wait "map_find:$path";
1824		1954
1825	$cf::MAP{$path} || do {	1955	$cf::MAP{$path} || do {
		1956	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1826	my $guard = cf::lock_acquire "map_find:$path";	1957	my $guard2 = cf::lock_acquire "map_find:$path";
		1958
1827	my $map = new_from_path cf::map $path	1959	my $map = new_from_path cf::map $path
1828	or return;	1960	or return;
1829		1961
1830	$map->{last_save} = $cf::RUNTIME;	1962	$map->{last_save} = $cf::RUNTIME;
1831		1963
…		…
1833	or return;	1965	or return;
1834		1966
1835	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1967	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1836	# doing this can freeze the server in a sync job, obviously	1968	# doing this can freeze the server in a sync job, obviously
1837	#$cf::WAIT_FOR_TICK->wait;	1969	#$cf::WAIT_FOR_TICK->wait;
		1970	undef $guard2;
		1971	undef $guard1;
1838	$map->reset;	1972	$map->reset;
1839	undef $guard;
1840	return find $path;	1973	return find $path;
1841	}	1974	}
1842		1975
1843	$cf::MAP{$path} = $map	1976	$cf::MAP{$path} = $map
1844	}	1977	}
…		…
1853	local $self->{deny_reset} = 1; # loading can take a long time	1986	local $self->{deny_reset} = 1; # loading can take a long time
1854		1987
1855	my $path = $self->{path};	1988	my $path = $self->{path};
1856		1989
1857	{	1990	{
1858	my $guard1 = cf::lock_acquire "map_data:$path";	1991	my $guard = cf::lock_acquire "map_data:$path";
1859	my $guard2 = cf::lock_acquire "map_load:$path";
1860		1992
		1993	return unless $self->valid;
1861	return if $self->in_memory != cf::MAP_SWAPPED;	1994	return unless $self->in_memory == cf::MAP_SWAPPED;
1862		1995
1863	$self->in_memory (cf::MAP_LOADING);	1996	$self->in_memory (cf::MAP_LOADING);
1864		1997
1865	$self->alloc;	1998	$self->alloc;
1866		1999
1867	$self->pre_load;	2000	$self->pre_load;
1868	cf::cede_to_tick;	2001	cf::cede_to_tick;
1869		2002
		2003	my $f = new_from_file cf::object::thawer $self->{load_path};
		2004	$f->skip_block;
1870	$self->_load_objects ($self->{load_path}, 1)	2005	$self->_load_objects ($f)
1871	or return;	2006	or return;
1872		2007
1873	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2008	$self->post_load_original
1874	if delete $self->{load_original};	2009	if delete $self->{load_original};
1875		2010
1876	if (my $uniq = $self->uniq_path) {	2011	if (my $uniq = $self->uniq_path) {
1877	utf8::encode $uniq;	2012	utf8::encode $uniq;
1878	if (aio_open $uniq, O_RDONLY, 0) {	2013	unless (aio_stat $uniq) {
		2014	if (my $f = new_from_file cf::object::thawer $uniq) {
1879	$self->clear_unique_items;	2015	$self->clear_unique_items;
1880	$self->_load_objects ($uniq, 0);	2016	$self->_load_objects ($f);
		2017	$f->resolve_delayed_derefs;
		2018	}
1881	}	2019	}
1882	}	2020	}
		2021
		2022	$f->resolve_delayed_derefs;
1883		2023
1884	cf::cede_to_tick;	2024	cf::cede_to_tick;
1885	# now do the right thing for maps	2025	# now do the right thing for maps
1886	$self->link_multipart_objects;	2026	$self->link_multipart_objects;
1887	$self->difficulty ($self->estimate_difficulty)	2027	$self->difficulty ($self->estimate_difficulty)
…		…
1899	}	2039	}
1900		2040
1901	$self->{last_save} = $cf::RUNTIME;	2041	$self->{last_save} = $cf::RUNTIME;
1902	$self->last_access ($cf::RUNTIME);	2042	$self->last_access ($cf::RUNTIME);
1903		2043
1904	$self->in_memory (cf::MAP_IN_MEMORY);	2044	$self->in_memory (cf::MAP_ACTIVE);
1905	}	2045	}
1906		2046
1907	$self->post_load;	2047	$self->post_load;
1908	}	2048	}
1909		2049
…		…
1967	my ($path, $origin, $load) = @_;	2107	my ($path, $origin, $load) = @_;
1968		2108
1969	$path = normalise $path, $origin && $origin->{path};	2109	$path = normalise $path, $origin && $origin->{path};
1970		2110
1971	if (my $map = $cf::MAP{$path}) {	2111	if (my $map = $cf::MAP{$path}) {
1972	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2112	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1973	}	2113	}
1974		2114
1975	$MAP_PREFETCH{$path} |= $load;	2115	$MAP_PREFETCH{$path} |= $load;
1976		2116
1977	$MAP_PREFETCHER ||= cf::async {	2117	$MAP_PREFETCHER ||= cf::async {
		2118	$Coro::current->{desc} = "map prefetcher";
		2119
1978	while (%MAP_PREFETCH) {	2120	while (%MAP_PREFETCH) {
1979	while (my ($k, $v) = each %MAP_PREFETCH) {	2121	while (my ($k, $v) = each %MAP_PREFETCH) {
1980	if (my $map = find $k) {	2122	if (my $map = find $k) {
1981	$map->load if $v;	2123	$map->load if $v;
1982	}	2124	}
…		…
2008	return if $self->{deny_save};	2150	return if $self->{deny_save};
2009		2151
2010	local $self->{last_access} = $self->last_access;#d#	2152	local $self->{last_access} = $self->last_access;#d#
2011		2153
2012	cf::async {	2154	cf::async {
		2155	$Coro::current->{desc} = "map player save";
2013	$_->contr->save for $self->players;	2156	$_->contr->save for $self->players;
2014	};	2157	};
		2158
		2159	cf::get_slot 0.02;
2015		2160
2016	if ($uniq) {	2161	if ($uniq) {
2017	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2162	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2018	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2163	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2019	} else {	2164	} else {
…		…
2028	$self->save;	2173	$self->save;
2029		2174
2030	my $lock = cf::lock_acquire "map_data:$self->{path}";	2175	my $lock = cf::lock_acquire "map_data:$self->{path}";
2031		2176
2032	return if $self->players;	2177	return if $self->players;
2033	return if $self->in_memory != cf::MAP_IN_MEMORY;	2178	return if $self->in_memory != cf::MAP_ACTIVE;
2034	return if $self->{deny_save};	2179	return if $self->{deny_save};
2035		2180
		2181	$self->in_memory (cf::MAP_SWAPPED);
		2182
		2183	$self->deactivate;
		2184	$_->clear_links_to ($self) for values %cf::MAP;
2036	$self->clear;	2185	$self->clear;
2037	$self->in_memory (cf::MAP_SWAPPED);
2038	}	2186	}
2039		2187
2040	sub reset_at {	2188	sub reset_at {
2041	my ($self) = @_;	2189	my ($self) = @_;
2042		2190
…		…
2074	if $uniq;	2222	if $uniq;
2075	}	2223	}
2076		2224
2077	delete $cf::MAP{$self->path};	2225	delete $cf::MAP{$self->path};
2078		2226
		2227	$self->deactivate;
		2228	$_->clear_links_to ($self) for values %cf::MAP;
2079	$self->clear;	2229	$self->clear;
2080
2081	$_->clear_links_to ($self) for values %cf::MAP;
2082		2230
2083	$self->unlink_save;	2231	$self->unlink_save;
2084	$self->destroy;	2232	$self->destroy;
2085	}	2233	}
2086		2234
…		…
2153		2301
2154	sub unique_maps() {	2302	sub unique_maps() {
2155	[	2303	[
2156	map {	2304	map {
2157	utf8::decode $_;	2305	utf8::decode $_;
2158	/\.map$/	2306	s/\.map$//; # TODO future compatibility hack
		2307	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2308	? ()
2159	? normalise $_	2309	: normalise $_
2160	: ()
2161	} @{ aio_readdir $UNIQUEDIR or [] }	2310	} @{ aio_readdir $UNIQUEDIR or [] }
2162	]	2311	]
2163	}	2312	}
2164		2313
2165	package cf;
2166
2167	=back	2314	=back
2168		2315
2169	=head3 cf::object	2316	=head3 cf::object
2170		2317
2171	=cut	2318	=cut
…		…
2174		2321
2175	=over 4	2322	=over 4
2176		2323
2177	=item $ob->inv_recursive	2324	=item $ob->inv_recursive
2178		2325
2179	Returns the inventory of the object _and_ their inventories, recursively.	2326	Returns the inventory of the object I<and> their inventories, recursively,
		2327	but I<not> the object itself.
2180		2328
2181	=cut	2329	=cut
2182		2330
2183	sub inv_recursive_;	2331	sub inv_recursive_;
2184	sub inv_recursive_ {	2332	sub inv_recursive_ {
…		…
2187		2335
2188	sub inv_recursive {	2336	sub inv_recursive {
2189	inv_recursive_ inv $_[0]	2337	inv_recursive_ inv $_[0]
2190	}	2338	}
2191		2339
		2340	=item $ref = $ob->ref
		2341
		2342	Creates and returns a persistent reference to an object that can be stored as a string.
		2343
		2344	=item $ob = cf::object::deref ($refstring)
		2345
		2346	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2347	even if the object actually exists. May block.
		2348
		2349	=cut
		2350
		2351	sub deref {
		2352	my ($ref) = @_;
		2353
		2354	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2355	my ($uuid, $name) = ($1, $2);
		2356	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2357	or return;
		2358	$pl->ob->uuid eq $uuid
		2359	or return;
		2360
		2361	$pl->ob
		2362	} else {
		2363	warn "$ref: cannot resolve object reference\n";
		2364	undef
		2365	}
		2366	}
		2367
2192	package cf;	2368	package cf;
2193		2369
2194	=back	2370	=back
2195		2371
2196	=head3 cf::object::player	2372	=head3 cf::object::player
…		…
2202	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2378	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2203	can be C<undef>. Does the right thing when the player is currently in a	2379	can be C<undef>. Does the right thing when the player is currently in a
2204	dialogue with the given NPC character.	2380	dialogue with the given NPC character.
2205		2381
2206	=cut	2382	=cut
		2383
		2384	our $SAY_CHANNEL = {
		2385	id => "say",
		2386	title => "Map",
		2387	reply => "say ",
		2388	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2389	};
		2390
		2391	our $CHAT_CHANNEL = {
		2392	id => "chat",
		2393	title => "Chat",
		2394	reply => "chat ",
		2395	tooltip => "Player chat and shouts, global to the server.",
		2396	};
2207		2397
2208	# rough implementation of a future "reply" method that works	2398	# rough implementation of a future "reply" method that works
2209	# with dialog boxes.	2399	# with dialog boxes.
2210	#TODO: the first argument must go, split into a $npc->reply_to ( method	2400	#TODO: the first argument must go, split into a $npc->reply_to ( method
2211	sub cf::object::player::reply($$$;$) {	2401	sub cf::object::player::reply($$$;$) {
…		…
2223	my $dialog = $pl->{npc_dialog};	2413	my $dialog = $pl->{npc_dialog};
2224	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2414	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2225		2415
2226	} else {	2416	} else {
2227	$msg = $npc->name . " says: $msg" if $npc;	2417	$msg = $npc->name . " says: $msg" if $npc;
2228	$self->message ($msg, $flags);	2418	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2229	}	2419	}
2230	}	2420	}
2231	}	2421	}
2232		2422
2233	=item $object->send_msg ($channel, $msg, $color, [extra...])	2423	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2341	her, loading and preparing them map, calling the provided $check callback	2531	her, loading and preparing them map, calling the provided $check callback
2342	that has to return the map if sucecssful, and then unfreezes the player on	2532	that has to return the map if sucecssful, and then unfreezes the player on
2343	the new (success) or old (failed) map position. In either case, $done will	2533	the new (success) or old (failed) map position. In either case, $done will
2344	be called at the end of this process.	2534	be called at the end of this process.
2345		2535
		2536	Note that $check will be called with a potentially non-loaded map, so if
		2537	it needs a loaded map it has to call C<< ->load >>.
		2538
2346	=cut	2539	=cut
2347		2540
2348	our $GOTOGEN;	2541	our $GOTOGEN;
2349		2542
2350	sub cf::object::player::goto {	2543	sub cf::object::player::goto {
…		…
2354	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2547	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2355		2548
2356	$self->enter_link;	2549	$self->enter_link;
2357		2550
2358	(async {	2551	(async {
		2552	$Coro::current->{desc} = "player::goto $path $x $y";
		2553
		2554	# *tag paths override both path and x|y
		2555	if ($path =~ /^\*(.*)$/) {
		2556	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2557	my $ob = $obs[rand @obs];
		2558
		2559	# see if we actually can go there
		2560	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2561	$ob = $obs[rand @obs];
		2562	} else {
		2563	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2564	}
		2565	# else put us there anyways for now #d#
		2566
		2567	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2568	} else {
		2569	($path, $x, $y) = (undef, undef, undef);
		2570	}
		2571	}
		2572
2359	my $map = eval {	2573	my $map = eval {
2360	my $map = cf::map::find $path;	2574	my $map = defined $path ? cf::map::find $path : undef;
2361		2575
2362	if ($map) {	2576	if ($map) {
2363	$map = $map->customise_for ($self);	2577	$map = $map->customise_for ($self);
2364	$map = $check->($map) if $check && $map;	2578	$map = $check->($map) if $check && $map;
2365	} else {	2579	} else {
2366	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2580	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2367	}	2581	}
2368		2582
2369	$map	2583	$map
2370	};	2584	};
2371		2585
…		…
2407	}	2621	}
2408		2622
2409	sub prepare_random_map {	2623	sub prepare_random_map {
2410	my ($exit) = @_;	2624	my ($exit) = @_;
2411		2625
2412	my $guard = cf::lock_acquire "exit_prepare:$exit";
2413
2414	# all this does is basically replace the /! path by	2626	# all this does is basically replace the /! path by
2415	# a new random map path (?random/...) with a seed	2627	# a new random map path (?random/...) with a seed
2416	# that depends on the exit object	2628	# that depends on the exit object
2417		2629
2418	my $rmp = parse_random_map_params $exit->msg;	2630	my $rmp = parse_random_map_params $exit->msg;
…		…
2420	if ($exit->map) {	2632	if ($exit->map) {
2421	$rmp->{region} = $exit->region->name;	2633	$rmp->{region} = $exit->region->name;
2422	$rmp->{origin_map} = $exit->map->path;	2634	$rmp->{origin_map} = $exit->map->path;
2423	$rmp->{origin_x} = $exit->x;	2635	$rmp->{origin_x} = $exit->x;
2424	$rmp->{origin_y} = $exit->y;	2636	$rmp->{origin_y} = $exit->y;
		2637
		2638	$exit->map->touch;
2425	}	2639	}
2426		2640
2427	$rmp->{random_seed} ||= $exit->random_seed;	2641	$rmp->{random_seed} ||= $exit->random_seed;
2428		2642
2429	my $data = cf::to_json $rmp;	2643	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2430	my $md5 = Digest::MD5::md5_hex $data;	2644	my $md5 = Digest::MD5::md5_hex $data;
2431	my $meta = "$RANDOMDIR/$md5.meta";	2645	my $meta = "$RANDOMDIR/$md5.meta";
2432		2646
2433	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2647	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2434	aio_write $fh, 0, (length $data), $data, 0;	2648	aio_write $fh, 0, (length $data), $data, 0;
2435	undef $fh;	2649	undef $fh;
2436	aio_rename "$meta~", $meta;	2650	aio_rename "$meta~", $meta;
2437		2651
		2652	my $slaying = "?random/$md5";
		2653
		2654	if ($exit->valid) {
2438	$exit->slaying ("?random/$md5");	2655	$exit->slaying ("?random/$md5");
2439	$exit->msg (undef);	2656	$exit->msg (undef);
		2657	}
2440	}	2658	}
2441	}	2659	}
2442		2660
2443	sub cf::object::player::enter_exit {	2661	sub cf::object::player::enter_exit {
2444	my ($self, $exit) = @_;	2662	my ($self, $exit) = @_;
2445		2663
2446	return unless $self->type == cf::PLAYER;	2664	return unless $self->type == cf::PLAYER;
2447		2665
2448	if ($exit->slaying eq "/!") {
2449	#TODO: this should de-fi-ni-te-ly not be a sync-job
2450	# the problem is that $exit might not survive long enough
2451	# so it needs to be done right now, right here
2452	cf::sync_job { prepare_random_map $exit };
2453	}
2454
2455	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2456	my $hp = $exit->stats->hp;
2457	my $sp = $exit->stats->sp;
2458
2459	$self->enter_link;	2666	$self->enter_link;
2460		2667
2461	# if exit is damned, update players death & WoR home-position
2462	$self->contr->savebed ($slaying, $hp, $sp)
2463	if $exit->flag (FLAG_DAMNED);
2464
2465	(async {	2668	(async {
2466	$self->deactivate_recursive; # just to be sure	2669	$Coro::current->{desc} = "enter_exit";
		2670
2467	unless (eval {	2671	unless (eval {
		2672	$self->deactivate_recursive; # just to be sure
		2673
		2674	# random map handling
		2675	{
		2676	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2677
		2678	prepare_random_map $exit
		2679	if $exit->slaying eq "/!";
		2680	}
		2681
		2682	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2683	my $x = $exit->stats->hp;
		2684	my $y = $exit->stats->sp;
		2685
2468	$self->goto ($slaying, $hp, $sp);	2686	$self->goto ($map, $x, $y);
2469		2687
		2688	# if exit is damned, update players death & WoR home-position
		2689	$self->contr->savebed ($map, $x, $y)
		2690	if $exit->flag (cf::FLAG_DAMNED);
		2691
2470	1;	2692	1
2471	}) {	2693	}) {
2472	$self->message ("Something went wrong deep within the crossfire server. "	2694	$self->message ("Something went wrong deep within the crossfire server. "
2473	. "I'll try to bring you back to the map you were before. "	2695	. "I'll try to bring you back to the map you were before. "
2474	. "Please report this to the dungeon master!",	2696	. "Please report this to the dungeon master!",
2475	cf::NDI_UNIQUE | cf::NDI_RED);	2697	cf::NDI_UNIQUE | cf::NDI_RED);
…		…
2505	the message, with C<log> being the default. If C<$color> is negative, suppress	2727	the message, with C<log> being the default. If C<$color> is negative, suppress
2506	the message unless the client supports the msg packet.	2728	the message unless the client supports the msg packet.
2507		2729
2508	=cut	2730	=cut
2509		2731
		2732	# non-persistent channels (usually the info channel)
2510	our %CHANNEL = (	2733	our %CHANNEL = (
2511	"c/identify" => {	2734	"c/identify" => {
2512	id => "identify",	2735	id => "infobox",
2513	title => "Identify",	2736	title => "Identify",
2514	reply => undef,	2737	reply => undef,
2515	tooltip => "Items recently identified",	2738	tooltip => "Items recently identified",
2516	},	2739	},
2517	"c/examine" => {	2740	"c/examine" => {
2518	id => "examine",	2741	id => "infobox",
2519	title => "Examine",	2742	title => "Examine",
2520	reply => undef,	2743	reply => undef,
2521	tooltip => "Signs and other items you examined",	2744	tooltip => "Signs and other items you examined",
2522	},	2745	},
		2746	"c/book" => {
		2747	id => "infobox",
		2748	title => "Book",
		2749	reply => undef,
		2750	tooltip => "The contents of a note or book",
		2751	},
		2752	"c/lookat" => {
		2753	id => "infobox",
		2754	title => "Look",
		2755	reply => undef,
		2756	tooltip => "What you saw there",
		2757	},
		2758	"c/who" => {
		2759	id => "infobox",
		2760	title => "Players",
		2761	reply => undef,
		2762	tooltip => "Shows players who are currently online",
		2763	},
		2764	"c/body" => {
		2765	id => "infobox",
		2766	title => "Body Parts",
		2767	reply => undef,
		2768	tooltip => "Shows which body parts you posess and are available",
		2769	},
		2770	"c/uptime" => {
		2771	id => "infobox",
		2772	title => "Uptime",
		2773	reply => undef,
		2774	tooltip => "How long the server has been running since last restart",
		2775	},
		2776	"c/mapinfo" => {
		2777	id => "infobox",
		2778	title => "Map Info",
		2779	reply => undef,
		2780	tooltip => "Information related to the maps",
		2781	},
		2782	"c/party" => {
		2783	id => "party",
		2784	title => "Party",
		2785	reply => "gsay ",
		2786	tooltip => "Messages and chat related to your party",
		2787	},
2523	);	2788	);
2524		2789
2525	sub cf::client::send_msg {	2790	sub cf::client::send_msg {
2526	my ($self, $channel, $msg, $color, @extra) = @_;	2791	my ($self, $channel, $msg, $color, @extra) = @_;
2527		2792
2528	$msg = $self->pl->expand_cfpod ($msg);	2793	$msg = $self->pl->expand_cfpod ($msg);
2529		2794
2530	$color &= cf::NDI_CLIENT_MASK; # just in case...	2795	$color &= cf::NDI_CLIENT_MASK; # just in case...
2531		2796
2532	# check predefined channels, for the benefit of C	2797	# check predefined channels, for the benefit of C
2533	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};	2798	if ($CHANNEL{$channel}) {
		2799	$channel = $CHANNEL{$channel};
2534		2800
		2801	$self->ext_msg (channel_info => $channel)
		2802	if $self->can_msg;
		2803
		2804	$channel = $channel->{id};
		2805
2535	if (ref $channel) {	2806	} elsif (ref $channel) {
2536	# send meta info to client, if not yet sent	2807	# send meta info to client, if not yet sent
2537	unless (exists $self->{channel}{$channel->{id}}) {	2808	unless (exists $self->{channel}{$channel->{id}}) {
2538	$self->{channel}{$channel->{id}} = $channel;	2809	$self->{channel}{$channel->{id}} = $channel;
2539	$self->ext_msg (channel_info => $channel);	2810	$self->ext_msg (channel_info => $channel)
		2811	if $self->can_msg;
2540	}	2812	}
2541		2813
2542	$channel = $channel->{id};	2814	$channel = $channel->{id};
2543	}	2815	}
2544		2816
…		…
2547	if ($self->can_msg) {	2819	if ($self->can_msg) {
2548	# default colour, mask it out	2820	# default colour, mask it out
2549	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2821	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2550	if $color & cf::NDI_DEF;	2822	if $color & cf::NDI_DEF;
2551		2823
2552	$self->send_packet ("msg " . $self->{json_coder}->encode (	2824	my $pkt = "msg "
		2825	. $self->{json_coder}->encode (
2553	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2826	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2827	);
		2828
		2829	# try lzf for large packets
		2830	$pkt = "lzf " . Compress::LZF::compress $pkt
		2831	if 1024 <= length $pkt and $self->{can_lzf};
		2832
		2833	# split very large packets
		2834	if (8192 < length $pkt and $self->{can_lzf}) {
		2835	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2836	$pkt = "frag";
		2837	}
		2838
		2839	$self->send_packet ($pkt);
2554	} else {	2840	} else {
2555	if ($color >= 0) {	2841	if ($color >= 0) {
2556	# replace some tags by gcfclient-compatible ones	2842	# replace some tags by gcfclient-compatible ones
2557	for ($msg) {	2843	for ($msg) {
2558	1 while	2844	1 while
…		…
2756	=pod	3042	=pod
2757		3043
2758	The following functions and methods are available within a safe environment:	3044	The following functions and methods are available within a safe environment:
2759		3045
2760	cf::object	3046	cf::object
2761	contr pay_amount pay_player map x y force_find force_add	3047	contr pay_amount pay_player map x y force_find force_add destroy
2762	insert remove name archname title slaying race decrease_ob_nr	3048	insert remove name archname title slaying race decrease split
2763		3049
2764	cf::object::player	3050	cf::object::player
2765	player	3051	player
2766		3052
2767	cf::player	3053	cf::player
…		…
2772		3058
2773	=cut	3059	=cut
2774		3060
2775	for (	3061	for (
2776	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3062	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2777	insert remove inv name archname title slaying race	3063	insert remove inv nrof name archname title slaying race
2778	decrease_ob_nr)],	3064	decrease split destroy change_exp)],
2779	["cf::object::player" => qw(player)],	3065	["cf::object::player" => qw(player)],
2780	["cf::player" => qw(peaceful)],	3066	["cf::player" => qw(peaceful)],
2781	["cf::map" => qw(trigger)],	3067	["cf::map" => qw(trigger)],
2782	) {	3068	) {
2783	no strict 'refs';	3069	no strict 'refs';
…		…
2888	{	3174	{
2889	my $faces = $facedata->{faceinfo};	3175	my $faces = $facedata->{faceinfo};
2890		3176
2891	while (my ($face, $info) = each %$faces) {	3177	while (my ($face, $info) = each %$faces) {
2892	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3178	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3179
2893	cf::face::set_visibility $idx, $info->{visibility};	3180	cf::face::set_visibility $idx, $info->{visibility};
2894	cf::face::set_magicmap $idx, $info->{magicmap};	3181	cf::face::set_magicmap $idx, $info->{magicmap};
2895	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3182	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2896	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3183	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2897		3184
2898	cf::cede_to_tick;	3185	cf::cede_to_tick;
2899	}	3186	}
2900		3187
2901	while (my ($face, $info) = each %$faces) {	3188	while (my ($face, $info) = each %$faces) {
2902	next unless $info->{smooth};	3189	next unless $info->{smooth};
		3190
2903	my $idx = cf::face::find $face	3191	my $idx = cf::face::find $face
2904	or next;	3192	or next;
		3193
2905	if (my $smooth = cf::face::find $info->{smooth}) {	3194	if (my $smooth = cf::face::find $info->{smooth}) {
2906	cf::face::set_smooth $idx, $smooth;	3195	cf::face::set_smooth $idx, $smooth;
2907	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3196	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2908	} else {	3197	} else {
2909	warn "smooth face '$info->{smooth}' not found for face '$face'";	3198	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2927	{	3216	{
2928	# TODO: for gcfclient pleasure, we should give resources	3217	# TODO: for gcfclient pleasure, we should give resources
2929	# that gcfclient doesn't grok a >10000 face index.	3218	# that gcfclient doesn't grok a >10000 face index.
2930	my $res = $facedata->{resource};	3219	my $res = $facedata->{resource};
2931		3220
2932	my $soundconf = delete $res->{"res/sound.conf"};
2933
2934	while (my ($name, $info) = each %$res) {	3221	while (my ($name, $info) = each %$res) {
		3222	if (defined $info->{type}) {
2935	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3223	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2936	my $data;	3224	my $data;
2937		3225
2938	if ($info->{type} & 1) {	3226	if ($info->{type} & 1) {
2939	# prepend meta info	3227	# prepend meta info
2940		3228
2941	my $meta = $enc->encode ({	3229	my $meta = $enc->encode ({
2942	name => $name,	3230	name => $name,
2943	%{ $info->{meta} || {} },	3231	%{ $info->{meta} || {} },
2944	});	3232	});
2945		3233
2946	$data = pack "(w/a*)*", $meta, $info->{data};	3234	$data = pack "(w/a*)*", $meta, $info->{data};
		3235	} else {
		3236	$data = $info->{data};
		3237	}
		3238
		3239	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3240	cf::face::set_type $idx, $info->{type};
2947	} else {	3241	} else {
2948	$data = $info->{data};	3242	$RESOURCE{$name} = $info;
2949	}	3243	}
2950		3244
2951	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2952	cf::face::set_type $idx, $info->{type};
2953
2954	cf::cede_to_tick;	3245	cf::cede_to_tick;
2955	}	3246	}
2956
2957	if ($soundconf) {
2958	$soundconf = $enc->decode (delete $soundconf->{data});
2959
2960	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2961	my $sound = $soundconf->{compat}[$_]
2962	or next;
2963
2964	my $face = cf::face::find "sound/$sound->[1]";
2965	cf::sound::set $sound->[0] => $face;
2966	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2967	}
2968
2969	while (my ($k, $v) = each %{$soundconf->{event}}) {
2970	my $face = cf::face::find "sound/$v";
2971	cf::sound::set $k => $face;
2972	}
2973	}
2974	}	3247	}
		3248
		3249	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2975		3250
2976	1	3251	1
2977	}	3252	}
		3253
		3254	cf::global->attach (on_resource_update => sub {
		3255	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3256	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3257
		3258	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3259	my $sound = $soundconf->{compat}[$_]
		3260	or next;
		3261
		3262	my $face = cf::face::find "sound/$sound->[1]";
		3263	cf::sound::set $sound->[0] => $face;
		3264	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3265	}
		3266
		3267	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3268	my $face = cf::face::find "sound/$v";
		3269	cf::sound::set $k => $face;
		3270	}
		3271	}
		3272	});
2978		3273
2979	register_exticmd fx_want => sub {	3274	register_exticmd fx_want => sub {
2980	my ($ns, $want) = @_;	3275	my ($ns, $want) = @_;
2981		3276
2982	while (my ($k, $v) = each %$want) {	3277	while (my ($k, $v) = each %$want) {
2983	$ns->fx_want ($k, $v);	3278	$ns->fx_want ($k, $v);
2984	}	3279	}
2985	};	3280	};
		3281
		3282	sub load_resource_file($) {
		3283	my $guard = lock_acquire "load_resource_file";
		3284
		3285	my $status = load_resource_file_ $_[0];
		3286	get_slot 0.1, 100;
		3287	cf::arch::commit_load;
		3288
		3289	$status
		3290	}
2986		3291
2987	sub reload_regions {	3292	sub reload_regions {
2988	# HACK to clear player env face cache, we need some signal framework	3293	# HACK to clear player env face cache, we need some signal framework
2989	# for this (global event?)	3294	# for this (global event?)
2990	%ext::player_env::MUSIC_FACE_CACHE = ();	3295	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3004	}	3309	}
3005		3310
3006	sub reload_archetypes {	3311	sub reload_archetypes {
3007	load_resource_file "$DATADIR/archetypes"	3312	load_resource_file "$DATADIR/archetypes"
3008	or die "unable to load archetypes\n";	3313	or die "unable to load archetypes\n";
3009	#d# NEED to laod twice to resolve forward references
3010	# this really needs to be done in an extra post-pass
3011	# (which needs to be synchronous, so solve it differently)
3012	load_resource_file "$DATADIR/archetypes"
3013	or die "unable to load archetypes\n";
3014	}	3314	}
3015		3315
3016	sub reload_treasures {	3316	sub reload_treasures {
3017	load_resource_file "$DATADIR/treasures"	3317	load_resource_file "$DATADIR/treasures"
3018	or die "unable to load treasurelists\n";	3318	or die "unable to load treasurelists\n";
3019	}	3319	}
3020		3320
3021	sub reload_resources {	3321	sub reload_resources {
3022	warn "reloading resource files...\n";	3322	warn "reloading resource files...\n";
3023		3323
		3324	reload_facedata;
		3325	reload_archetypes;
3024	reload_regions;	3326	reload_regions;
3025	reload_facedata;
3026	#reload_archetypes;#d#
3027	reload_archetypes;
3028	reload_treasures;	3327	reload_treasures;
3029		3328
3030	warn "finished reloading resource files\n";	3329	warn "finished reloading resource files\n";
3031	}	3330	}
3032		3331
3033	sub init {	3332	sub init {
		3333	my $guard = freeze_mainloop;
		3334
		3335	evthread_start IO::AIO::poll_fileno;
		3336
3034	reload_resources;	3337	reload_resources;
3035	}	3338	}
3036		3339
3037	sub reload_config {	3340	sub reload_config {
3038	open my $fh, "<:utf8", "$CONFDIR/config"	3341	open my $fh, "<:utf8", "$CONFDIR/config"
3039	or return;	3342	or return;
3040		3343
3041	local $/;	3344	local $/;
3042	*CFG = YAML::Syck::Load <$fh>;	3345	*CFG = YAML::Load <$fh>;
3043		3346
3044	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3347	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3045		3348
3046	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3349	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3047	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3350	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3053	};	3356	};
3054	warn $@ if $@;	3357	warn $@ if $@;
3055	}	3358	}
3056	}	3359	}
3057		3360
		3361	sub pidfile() {
		3362	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3363	or die "$PIDFILE: $!";
		3364	flock $fh, &Fcntl::LOCK_EX
		3365	or die "$PIDFILE: flock: $!";
		3366	$fh
		3367	}
		3368
		3369	# make sure only one server instance is running at any one time
		3370	sub atomic {
		3371	my $fh = pidfile;
		3372
		3373	my $pid = <$fh>;
		3374	kill 9, $pid if $pid > 0;
		3375
		3376	seek $fh, 0, 0;
		3377	print $fh $$;
		3378	}
		3379
3058	sub main {	3380	sub main {
		3381	atomic;
		3382
3059	# we must not ever block the main coroutine	3383	# we must not ever block the main coroutine
3060	local $Coro::idle = sub {	3384	local $Coro::idle = sub {
3061	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3385	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3062	(async {	3386	(async {
3063	Event::one_event;	3387	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3388	EV::loop EV::LOOP_ONESHOT;
3064	})->prio (Coro::PRIO_MAX);	3389	})->prio (Coro::PRIO_MAX);
3065	};	3390	};
3066		3391
		3392	{
		3393	my $guard = freeze_mainloop;
3067	reload_config;	3394	reload_config;
3068	db_init;	3395	db_init;
3069	load_extensions;	3396	load_extensions;
3070		3397
3071	$TICK_WATCHER->start;	3398	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3399	}
		3400
		3401	utime time, time, $RUNTIMEFILE;
		3402
		3403	# no (long-running) fork's whatsoever before this point(!)
		3404	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3405
3072	Event::loop;	3406	EV::loop;
3073	}	3407	}
3074		3408
3075	#############################################################################	3409	#############################################################################
3076	# initialisation and cleanup	3410	# initialisation and cleanup
3077		3411
3078	# install some emergency cleanup handlers	3412	# install some emergency cleanup handlers
3079	BEGIN {	3413	BEGIN {
		3414	our %SIGWATCHER = ();
3080	for my $signal (qw(INT HUP TERM)) {	3415	for my $signal (qw(INT HUP TERM)) {
3081	Event->signal (	3416	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3082	reentrant => 0,
3083	data => WF_AUTOCANCEL,
3084	signal => $signal,
3085	prio => 0,
3086	cb => sub {
3087	cf::cleanup "SIG$signal";	3417	cf::cleanup "SIG$signal";
3088	},
3089	);	3418	};
3090	}	3419	}
3091	}	3420	}
3092		3421
3093	sub write_runtime {	3422	sub write_runtime_sync {
3094	my $runtime = "$LOCALDIR/runtime";
3095
3096	# first touch the runtime file to show we are still running:	3423	# first touch the runtime file to show we are still running:
3097	# the fsync below can take a very very long time.	3424	# the fsync below can take a very very long time.
3098		3425
3099	IO::AIO::aio_utime $runtime, undef, undef;	3426	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3100		3427
3101	my $guard = cf::lock_acquire "write_runtime";	3428	my $guard = cf::lock_acquire "write_runtime";
3102		3429
3103	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3430	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3104	or return;	3431	or return;
3105		3432
3106	my $value = $cf::RUNTIME + 90 + 10;	3433	my $value = $cf::RUNTIME + 90 + 10;
3107	# 10 is the runtime save interval, for a monotonic clock	3434	# 10 is the runtime save interval, for a monotonic clock
3108	# 60 allows for the watchdog to kill the server.	3435	# 60 allows for the watchdog to kill the server.
…		…
3118	aio_utime $fh, undef, undef;	3445	aio_utime $fh, undef, undef;
3119		3446
3120	close $fh	3447	close $fh
3121	or return;	3448	or return;
3122		3449
3123	aio_rename "$runtime~", $runtime	3450	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3124	and return;	3451	and return;
3125		3452
3126	warn "runtime file written.\n";	3453	warn "runtime file written.\n";
3127		3454
3128	1	3455	1
		3456	}
		3457
		3458	our $uuid_lock;
		3459	our $uuid_skip;
		3460
		3461	sub write_uuid_sync($) {
		3462	$uuid_skip ||= $_[0];
		3463
		3464	return if $uuid_lock;
		3465	local $uuid_lock = 1;
		3466
		3467	my $uuid = "$LOCALDIR/uuid";
		3468
		3469	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3470	or return;
		3471
		3472	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3473	$uuid_skip = 0;
		3474
		3475	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3476	and return;
		3477
		3478	# always fsync - this file is important
		3479	aio_fsync $fh
		3480	and return;
		3481
		3482	close $fh
		3483	or return;
		3484
		3485	aio_rename "$uuid~", $uuid
		3486	and return;
		3487
		3488	warn "uuid file written ($value).\n";
		3489
		3490	1
		3491
		3492	}
		3493
		3494	sub write_uuid($$) {
		3495	my ($skip, $sync) = @_;
		3496
		3497	$sync ? write_uuid_sync $skip
		3498	: async { write_uuid_sync $skip };
3129	}	3499	}
3130		3500
3131	sub emergency_save() {	3501	sub emergency_save() {
3132	my $freeze_guard = cf::freeze_mainloop;	3502	my $freeze_guard = cf::freeze_mainloop;
3133		3503
…		…
3139	# and maps saved/destroyed asynchronously.	3509	# and maps saved/destroyed asynchronously.
3140	warn "begin emergency player save\n";	3510	warn "begin emergency player save\n";
3141	for my $login (keys %cf::PLAYER) {	3511	for my $login (keys %cf::PLAYER) {
3142	my $pl = $cf::PLAYER{$login} or next;	3512	my $pl = $cf::PLAYER{$login} or next;
3143	$pl->valid or next;	3513	$pl->valid or next;
		3514	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3144	$pl->save;	3515	$pl->save;
3145	}	3516	}
3146	warn "end emergency player save\n";	3517	warn "end emergency player save\n";
3147		3518
3148	warn "begin emergency map save\n";	3519	warn "begin emergency map save\n";
…		…
3154	warn "end emergency map save\n";	3525	warn "end emergency map save\n";
3155		3526
3156	warn "begin emergency database checkpoint\n";	3527	warn "begin emergency database checkpoint\n";
3157	BDB::db_env_txn_checkpoint $DB_ENV;	3528	BDB::db_env_txn_checkpoint $DB_ENV;
3158	warn "end emergency database checkpoint\n";	3529	warn "end emergency database checkpoint\n";
		3530
		3531	warn "begin write uuid\n";
		3532	write_uuid_sync 1;
		3533	warn "end write uuid\n";
3159	};	3534	};
3160		3535
3161	warn "leave emergency perl save\n";	3536	warn "leave emergency perl save\n";
3162	}	3537	}
3163		3538
3164	sub post_cleanup {	3539	sub post_cleanup {
3165	my ($make_core) = @_;	3540	my ($make_core) = @_;
3166		3541
3167	warn Carp::longmess "post_cleanup backtrace"	3542	warn Carp::longmess "post_cleanup backtrace"
3168	if $make_core;	3543	if $make_core;
		3544
		3545	my $fh = pidfile;
		3546	unlink $PIDFILE if <$fh> == $$;
3169	}	3547	}
		3548
		3549	# a safer delete_package, copied from Symbol
		3550	sub clear_package($) {
		3551	my $pkg = shift;
		3552
		3553	# expand to full symbol table name if needed
		3554	unless ($pkg =~ /^main::.*::$/) {
		3555	$pkg = "main$pkg" if $pkg =~ /^::/;
		3556	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3557	$pkg .= '::' unless $pkg =~ /::$/;
		3558	}
		3559
		3560	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3561	my $stem_symtab = *{$stem}{HASH};
		3562
		3563	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3564	or return;
		3565
		3566	# clear all symbols
		3567	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3568	for my $name (keys %$leaf_symtab) {
		3569	_gv_clear *{"$pkg$name"};
		3570	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3571	}
		3572	warn "cleared package #$pkg\n";#d#
		3573	}
		3574
		3575	our $RELOAD; # how many times to reload
3170		3576
3171	sub do_reload_perl() {	3577	sub do_reload_perl() {
3172	# can/must only be called in main	3578	# can/must only be called in main
3173	if ($Coro::current != $Coro::main) {	3579	if ($Coro::current != $Coro::main) {
3174	warn "can only reload from main coroutine";	3580	warn "can only reload from main coroutine";
3175	return;	3581	return;
3176	}	3582	}
3177		3583
		3584	return if $RELOAD++;
		3585
		3586	while ($RELOAD) {
3178	warn "reloading...";	3587	warn "reloading...";
3179		3588
3180	warn "entering sync_job";	3589	warn "entering sync_job";
3181		3590
3182	cf::sync_job {	3591	cf::sync_job {
3183	cf::write_runtime; # external watchdog should not bark	3592	cf::write_runtime_sync; # external watchdog should not bark
3184	cf::emergency_save;	3593	cf::emergency_save;
3185	cf::write_runtime; # external watchdog should not bark	3594	cf::write_runtime_sync; # external watchdog should not bark
3186		3595
3187	warn "syncing database to disk";	3596	warn "syncing database to disk";
3188	BDB::db_env_txn_checkpoint $DB_ENV;	3597	BDB::db_env_txn_checkpoint $DB_ENV;
3189		3598
3190	# if anything goes wrong in here, we should simply crash as we already saved	3599	# if anything goes wrong in here, we should simply crash as we already saved
3191		3600
3192	warn "cancelling all WF_AUTOCANCEL watchers";
3193	for (Event::all_watchers) {
3194	$_->cancel if $_->data & WF_AUTOCANCEL;
3195	}
3196
3197	warn "flushing outstanding aio requests";	3601	warn "flushing outstanding aio requests";
3198	for (;;) {
3199	BDB::flush;
3200	IO::AIO::flush;
3201	Coro::cede;
3202	last unless IO::AIO::nreqs || BDB::nreqs;	3602	while (IO::AIO::nreqs || BDB::nreqs) {
3203	warn "iterate...";	3603	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3204	}
3205
3206	++$RELOAD;
3207
3208	warn "cancelling all extension coros";
3209	$_->cancel for values %EXT_CORO;
3210	%EXT_CORO = ();
3211
3212	warn "removing commands";
3213	%COMMAND = ();
3214
3215	warn "removing ext/exti commands";
3216	%EXTCMD = ();
3217	%EXTICMD = ();
3218
3219	warn "unloading/nuking all extensions";
3220	for my $pkg (@EXTS) {
3221	warn "... unloading $pkg";
3222
3223	if (my $cb = $pkg->can ("unload")) {
3224	eval {
3225	$cb->($pkg);
3226	1
3227	} or warn "$pkg unloaded, but with errors: $@";
3228	}	3604	}
3229		3605
3230	warn "... nuking $pkg";	3606	warn "cancelling all extension coros";
3231	Symbol::delete_package $pkg;	3607	$_->cancel for values %EXT_CORO;
3232	}	3608	%EXT_CORO = ();
3233		3609
3234	warn "unloading all perl modules loaded from $LIBDIR";	3610	warn "removing commands";
3235	while (my ($k, $v) = each %INC) {	3611	%COMMAND = ();
3236	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3237		3612
		3613	warn "removing ext/exti commands";
		3614	%EXTCMD = ();
		3615	%EXTICMD = ();
		3616
		3617	warn "unloading/nuking all extensions";
		3618	for my $pkg (@EXTS) {
3238	warn "... unloading $k";	3619	warn "... unloading $pkg";
3239	delete $INC{$k};
3240		3620
3241	$k =~ s/\.pm$//;
3242	$k =~ s/\//::/g;
3243
3244	if (my $cb = $k->can ("unload_module")) {	3621	if (my $cb = $pkg->can ("unload")) {
		3622	eval {
3245	$cb->();	3623	$cb->($pkg);
		3624	1
		3625	} or warn "$pkg unloaded, but with errors: $@";
		3626	}
		3627
		3628	warn "... clearing $pkg";
		3629	clear_package $pkg;
3246	}	3630	}
3247		3631
3248	Symbol::delete_package $k;	3632	warn "unloading all perl modules loaded from $LIBDIR";
		3633	while (my ($k, $v) = each %INC) {
		3634	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3635
		3636	warn "... unloading $k";
		3637	delete $INC{$k};
		3638
		3639	$k =~ s/\.pm$//;
		3640	$k =~ s/\//::/g;
		3641
		3642	if (my $cb = $k->can ("unload_module")) {
		3643	$cb->();
		3644	}
		3645
		3646	clear_package $k;
3249	}	3647	}
3250		3648
3251	warn "getting rid of safe::, as good as possible";	3649	warn "getting rid of safe::, as good as possible";
3252	Symbol::delete_package "safe::$_"	3650	clear_package "safe::$_"
3253	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3651	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3254		3652
3255	warn "unloading cf.pm \"a bit\"";	3653	warn "unloading cf.pm \"a bit\"";
3256	delete $INC{"cf.pm"};	3654	delete $INC{"cf.pm"};
3257	delete $INC{"cf/pod.pm"};	3655	delete $INC{"cf/pod.pm"};
3258		3656
3259	# don't, removes xs symbols, too,	3657	# don't, removes xs symbols, too,
3260	# and global variables created in xs	3658	# and global variables created in xs
3261	#Symbol::delete_package __PACKAGE__;	3659	#clear_package __PACKAGE__;
3262		3660
3263	warn "unload completed, starting to reload now";	3661	warn "unload completed, starting to reload now";
3264		3662
3265	warn "reloading cf.pm";	3663	warn "reloading cf.pm";
3266	require cf;	3664	require cf;
3267	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3665	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3268		3666
3269	warn "loading config and database again";	3667	warn "loading config and database again";
3270	cf::reload_config;	3668	cf::reload_config;
3271		3669
3272	warn "loading extensions";	3670	warn "loading extensions";
3273	cf::load_extensions;	3671	cf::load_extensions;
3274		3672
3275	warn "reattaching attachments to objects/players";	3673	warn "reattaching attachments to objects/players";
3276	_global_reattach; # objects, sockets	3674	_global_reattach; # objects, sockets
3277	warn "reattaching attachments to maps";	3675	warn "reattaching attachments to maps";
3278	reattach $_ for values %MAP;	3676	reattach $_ for values %MAP;
3279	warn "reattaching attachments to players";	3677	warn "reattaching attachments to players";
3280	reattach $_ for values %PLAYER;	3678	reattach $_ for values %PLAYER;
3281		3679
3282	warn "leaving sync_job";	3680	warn "leaving sync_job";
3283		3681
3284	1	3682	1
3285	} or do {	3683	} or do {
3286	warn $@;	3684	warn $@;
3287	warn "error while reloading, exiting.";	3685	cf::cleanup "error while reloading, exiting.";
3288	exit 1;
3289	};	3686	};
3290		3687
3291	warn "reloaded";	3688	warn "reloaded";
		3689	--$RELOAD;
		3690	}
3292	};	3691	};
3293		3692
3294	our $RELOAD_WATCHER; # used only during reload	3693	our $RELOAD_WATCHER; # used only during reload
3295		3694
3296	sub reload_perl() {	3695	sub reload_perl() {
3297	# doing reload synchronously and two reloads happen back-to-back,	3696	# doing reload synchronously and two reloads happen back-to-back,
3298	# coro crashes during coro_state_free->destroy here.	3697	# coro crashes during coro_state_free->destroy here.
3299		3698
3300	$RELOAD_WATCHER ||= Event->timer (	3699	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3301	reentrant => 0,
3302	after => 0,
3303	data => WF_AUTOCANCEL,
3304	cb => sub {
3305	do_reload_perl;	3700	do_reload_perl;
3306	undef $RELOAD_WATCHER;	3701	undef $RELOAD_WATCHER;
3307	},
3308	);	3702	};
3309	}	3703	}
3310		3704
3311	register_command "reload" => sub {	3705	register_command "reload" => sub {
3312	my ($who, $arg) = @_;	3706	my ($who, $arg) = @_;
3313		3707
3314	if ($who->flag (FLAG_WIZ)) {	3708	if ($who->flag (FLAG_WIZ)) {
3315	$who->message ("reloading server.");	3709	$who->message ("reloading server.");
		3710	async {
		3711	$Coro::current->{desc} = "perl_reload";
3316	async { reload_perl };	3712	reload_perl;
		3713	};
3317	}	3714	}
3318	};	3715	};
3319		3716
3320	unshift @INC, $LIBDIR;	3717	unshift @INC, $LIBDIR;
3321		3718
…		…
3323		3720
3324	our @WAIT_FOR_TICK;	3721	our @WAIT_FOR_TICK;
3325	our @WAIT_FOR_TICK_BEGIN;	3722	our @WAIT_FOR_TICK_BEGIN;
3326		3723
3327	sub wait_for_tick {	3724	sub wait_for_tick {
3328	return unless $TICK_WATCHER->is_active;
3329	return if $Coro::current == $Coro::main;	3725	return if tick_inhibit || $Coro::current == $Coro::main;
3330		3726
3331	my $signal = new Coro::Signal;	3727	my $signal = new Coro::Signal;
3332	push @WAIT_FOR_TICK, $signal;	3728	push @WAIT_FOR_TICK, $signal;
3333	$signal->wait;	3729	$signal->wait;
3334	}	3730	}
3335		3731
3336	sub wait_for_tick_begin {	3732	sub wait_for_tick_begin {
3337	return unless $TICK_WATCHER->is_active;
3338	return if $Coro::current == $Coro::main;	3733	return if tick_inhibit || $Coro::current == $Coro::main;
3339		3734
3340	my $signal = new Coro::Signal;	3735	my $signal = new Coro::Signal;
3341	push @WAIT_FOR_TICK_BEGIN, $signal;	3736	push @WAIT_FOR_TICK_BEGIN, $signal;
3342	$signal->wait;	3737	$signal->wait;
3343	}	3738	}
3344		3739
3345	my $min = 1e6;#d#	3740	sub tick {
3346	my $avg = 10;
3347	$TICK_WATCHER = Event->timer (
3348	reentrant => 0,
3349	parked => 1,
3350	prio => 0,
3351	at => $NEXT_TICK || $TICK,
3352	data => WF_AUTOCANCEL,
3353	cb => sub {
3354	if ($Coro::current != $Coro::main) {	3741	if ($Coro::current != $Coro::main) {
3355	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3742	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3356	unless ++$bug_warning > 10;	3743	unless ++$bug_warning > 10;
3357	return;	3744	return;
3358	}	3745	}
3359		3746
3360	$NOW = $tick_start = Event::time;
3361
3362	cf::server_tick; # one server iteration	3747	cf::server_tick; # one server iteration
3363		3748
3364	0 && sync_job {#d#	3749	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3365	for(1..10) {	3750	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3366	my $t = Event::time;	3751	Coro::async_pool {
3367	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3752	$Coro::current->{desc} = "runtime saver";
3368	or die;	3753	write_runtime_sync
3369		3754	or warn "ERROR: unable to write runtime file: $!";
3370	$map->width (50);
3371	$map->height (50);
3372	$map->alloc;
3373	$map->_load_objects ("/tmp/x.map", 1);
3374	my $t = Event::time - $t;
3375
3376	#next unless $t < 0.0013;#d#
3377	if ($t < $min) {
3378	$min = $t;
3379	}
3380	$avg = $avg * 0.99 + $t * 0.01;
3381	}
3382	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3383	exit 0;
3384	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3385	};	3755	};
		3756	}
3386		3757
3387	$RUNTIME += $TICK;
3388	$NEXT_TICK += $TICK;
3389
3390	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3391	$NEXT_RUNTIME_WRITE = $NOW + 10;
3392	Coro::async_pool {
3393	write_runtime
3394	or warn "ERROR: unable to write runtime file: $!";
3395	};
3396	}
3397
3398	# my $AFTER = Event::time;
3399	# warn $AFTER - $NOW;#d#
3400
3401	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3758	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3402	$sig->send;	3759	$sig->send;
3403	}	3760	}
3404	while (my $sig = shift @WAIT_FOR_TICK) {	3761	while (my $sig = shift @WAIT_FOR_TICK) {
3405	$sig->send;	3762	$sig->send;
3406	}	3763	}
3407		3764
3408	$NOW = Event::time;	3765	$LOAD = ($NOW - $TICK_START) / $TICK;
3409
3410	# if we are delayed by four ticks or more, skip them all
3411	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3412
3413	$TICK_WATCHER->at ($NEXT_TICK);
3414	$TICK_WATCHER->start;
3415
3416	$LOAD = ($NOW - $tick_start) / $TICK;
3417	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3766	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3418		3767
3419	_post_tick;	3768	if (0) {
3420		3769	if ($NEXT_TICK) {
3421		3770	my $jitter = $TICK_START - $NEXT_TICK;
		3771	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3772	warn "jitter $JITTER\n";#d#
		3773	}
3422	},	3774	}
3423	);	3775	}
3424		3776
3425	{	3777	{
3426	BDB::max_poll_time $TICK * 0.1;	3778	# configure BDB
3427	$BDB_POLL_WATCHER = Event->io (	3779
3428	reentrant => 0,
3429	fd => BDB::poll_fileno,
3430	poll => 'r',
3431	prio => 0,
3432	data => WF_AUTOCANCEL,
3433	cb => \&BDB::poll_cb,
3434	);
3435	BDB::min_parallel 8;	3780	BDB::min_parallel 8;
3436		3781	BDB::max_poll_reqs $TICK * 0.1;
3437	BDB::set_sync_prepare {	3782	$AnyEvent::BDB::WATCHER->priority (1);
3438	my $status;
3439	my $current = $Coro::current;
3440	(
3441	sub {
3442	$status = $!;
3443	$current->ready; undef $current;
3444	},
3445	sub {
3446	Coro::schedule while defined $current;
3447	$! = $status;
3448	},
3449	)
3450	};
3451		3783
3452	unless ($DB_ENV) {	3784	unless ($DB_ENV) {
3453	$DB_ENV = BDB::db_env_create;	3785	$DB_ENV = BDB::db_env_create;
		3786	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3787	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3788	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3789	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3790	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3454		3791
3455	cf::sync_job {	3792	cf::sync_job {
3456	eval {	3793	eval {
3457	BDB::db_env_open	3794	BDB::db_env_open
3458	$DB_ENV,	3795	$DB_ENV,
…		…
3460	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3797	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3461	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3798	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3462	0666;	3799	0666;
3463		3800
3464	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3801	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3465
3466	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3467	$DB_ENV->set_lk_detect;
3468	};	3802	};
3469		3803
3470	cf::cleanup "db_env_open(db): $@" if $@;	3804	cf::cleanup "db_env_open(db): $@" if $@;
3471	};	3805	};
3472	}	3806	}
		3807
		3808	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3809	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3810	};
		3811	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3812	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3813	};
		3814	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3815	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3816	};
3473	}	3817	}
3474		3818
3475	{	3819	{
		3820	# configure IO::AIO
		3821
3476	IO::AIO::min_parallel 8;	3822	IO::AIO::min_parallel 8;
3477
3478	undef $Coro::AIO::WATCHER;
3479	IO::AIO::max_poll_time $TICK * 0.1;	3823	IO::AIO::max_poll_time $TICK * 0.1;
3480	$AIO_POLL_WATCHER = Event->io (	3824	undef $AnyEvent::AIO::WATCHER;
3481	reentrant => 0,
3482	data => WF_AUTOCANCEL,
3483	fd => IO::AIO::poll_fileno,
3484	poll => 'r',
3485	prio => 6,
3486	cb => \&IO::AIO::poll_cb,
3487	);
3488	}	3825	}
3489		3826
3490	my $_log_backtrace;	3827	my $_log_backtrace;
3491		3828
3492	sub _log_backtrace {	3829	sub _log_backtrace {
…		…
3496		3833
3497	# limit the # of concurrent backtraces	3834	# limit the # of concurrent backtraces
3498	if ($_log_backtrace < 2) {	3835	if ($_log_backtrace < 2) {
3499	++$_log_backtrace;	3836	++$_log_backtrace;
3500	async {	3837	async {
		3838	$Coro::current->{desc} = "abt $msg";
		3839
3501	my @bt = fork_call {	3840	my @bt = fork_call {
3502	@addr = map { sprintf "%x", $_ } @addr;	3841	@addr = map { sprintf "%x", $_ } @addr;
3503	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3842	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3504	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3843	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3505	or die "addr2line: $!";	3844	or die "addr2line: $!";

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