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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.351 by root, Sun Sep 2 00:57:38 2007 UTC vs.
Revision 1.446 by root, Tue Sep 16 16:03:02 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/(?<![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
1507	=item $player->ext_reply ($msgid, @msg)	1631	=item $player->ext_reply ($msgid, @msg)
1508		1632
1509	Sends an ext reply to the player.	1633	Sends an ext reply to the player.
1510		1634
1511	=cut	1635	=cut
…		…
1577	our $MAX_RESET = 3600;	1701	our $MAX_RESET = 3600;
1578	our $DEFAULT_RESET = 3000;	1702	our $DEFAULT_RESET = 3000;
1579		1703
1580	sub generate_random_map {	1704	sub generate_random_map {
1581	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
1582	# mit "rum" bekleckern, nicht	1709	# mit "rum" bekleckern, nicht
1583	$self->_create_random_map (	1710	$self->_create_random_map (
1584	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1711	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1585	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1712	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1586	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1713	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1708		1835
1709	# the temporary/swap location	1836	# the temporary/swap location
1710	sub save_path {	1837	sub save_path {
1711	my ($self) = @_;	1838	my ($self) = @_;
1712		1839
1713	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1840	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1714	"$TMPDIR/$path.map"	1841	"$TMPDIR/$path.map"
1715	}	1842	}
1716		1843
1717	# the unique path, undef == no special unique path	1844	# the unique path, undef == no special unique path
1718	sub uniq_path {	1845	sub uniq_path {
1719	my ($self) = @_;	1846	my ($self) = @_;
1720		1847
1721	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1848	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1722	"$UNIQUEDIR/$path"	1849	"$UNIQUEDIR/$path"
1723	}	1850	}
1724		1851
1725	# and all this just because we cannot iterate over	1852	# and all this just because we cannot iterate over
1726	# all maps in C++...	1853	# all maps in C++...
…		…
1749		1876
1750	sub load_header_from($) {	1877	sub load_header_from($) {
1751	my ($self, $path) = @_;	1878	my ($self, $path) = @_;
1752		1879
1753	utf8::encode $path;	1880	utf8::encode $path;
1754	#aio_open $path, O_RDONLY, 0	1881	my $f = new_from_file cf::object::thawer $path
1755	# or return;
1756
1757	$self->_load_header ($path)
1758	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;
1759		1889
1760	$self->{load_path} = $path;	1890	$self->{load_path} = $path;
1761		1891
1762	1	1892	1
1763	}	1893	}
…		…
1817	sub find {	1947	sub find {
1818	my ($path, $origin) = @_;	1948	my ($path, $origin) = @_;
1819		1949
1820	$path = normalise $path, $origin && $origin->path;	1950	$path = normalise $path, $origin && $origin->path;
1821		1951
		1952	cf::lock_wait "map_data:$path";#d#remove
1822	cf::lock_wait "map_find:$path";	1953	cf::lock_wait "map_find:$path";
1823		1954
1824	$cf::MAP{$path} || do {	1955	$cf::MAP{$path} || do {
		1956	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1825	my $guard = cf::lock_acquire "map_find:$path";	1957	my $guard2 = cf::lock_acquire "map_find:$path";
		1958
1826	my $map = new_from_path cf::map $path	1959	my $map = new_from_path cf::map $path
1827	or return;	1960	or return;
1828		1961
1829	$map->{last_save} = $cf::RUNTIME;	1962	$map->{last_save} = $cf::RUNTIME;
1830		1963
…		…
1832	or return;	1965	or return;
1833		1966
1834	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1967	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1835	# doing this can freeze the server in a sync job, obviously	1968	# doing this can freeze the server in a sync job, obviously
1836	#$cf::WAIT_FOR_TICK->wait;	1969	#$cf::WAIT_FOR_TICK->wait;
		1970	undef $guard2;
		1971	undef $guard1;
1837	$map->reset;	1972	$map->reset;
1838	undef $guard;
1839	return find $path;	1973	return find $path;
1840	}	1974	}
1841		1975
1842	$cf::MAP{$path} = $map	1976	$cf::MAP{$path} = $map
1843	}	1977	}
…		…
1852	local $self->{deny_reset} = 1; # loading can take a long time	1986	local $self->{deny_reset} = 1; # loading can take a long time
1853		1987
1854	my $path = $self->{path};	1988	my $path = $self->{path};
1855		1989
1856	{	1990	{
1857	my $guard1 = cf::lock_acquire "map_data:$path";	1991	my $guard = cf::lock_acquire "map_data:$path";
1858	my $guard2 = cf::lock_acquire "map_load:$path";
1859		1992
		1993	return unless $self->valid;
1860	return if $self->in_memory != cf::MAP_SWAPPED;	1994	return unless $self->in_memory == cf::MAP_SWAPPED;
1861		1995
1862	$self->in_memory (cf::MAP_LOADING);	1996	$self->in_memory (cf::MAP_LOADING);
1863		1997
1864	$self->alloc;	1998	$self->alloc;
1865		1999
1866	$self->pre_load;	2000	$self->pre_load;
1867	cf::cede_to_tick;	2001	cf::cede_to_tick;
1868		2002
		2003	my $f = new_from_file cf::object::thawer $self->{load_path};
		2004	$f->skip_block;
1869	$self->_load_objects ($self->{load_path}, 1)	2005	$self->_load_objects ($f)
1870	or return;	2006	or return;
1871		2007
1872	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2008	$self->post_load_original
1873	if delete $self->{load_original};	2009	if delete $self->{load_original};
1874		2010
1875	if (my $uniq = $self->uniq_path) {	2011	if (my $uniq = $self->uniq_path) {
1876	utf8::encode $uniq;	2012	utf8::encode $uniq;
1877	if (aio_open $uniq, O_RDONLY, 0) {	2013	unless (aio_stat $uniq) {
		2014	if (my $f = new_from_file cf::object::thawer $uniq) {
1878	$self->clear_unique_items;	2015	$self->clear_unique_items;
1879	$self->_load_objects ($uniq, 0);	2016	$self->_load_objects ($f);
		2017	$f->resolve_delayed_derefs;
		2018	}
1880	}	2019	}
1881	}	2020	}
		2021
		2022	$f->resolve_delayed_derefs;
1882		2023
1883	cf::cede_to_tick;	2024	cf::cede_to_tick;
1884	# now do the right thing for maps	2025	# now do the right thing for maps
1885	$self->link_multipart_objects;	2026	$self->link_multipart_objects;
1886	$self->difficulty ($self->estimate_difficulty)	2027	$self->difficulty ($self->estimate_difficulty)
…		…
1898	}	2039	}
1899		2040
1900	$self->{last_save} = $cf::RUNTIME;	2041	$self->{last_save} = $cf::RUNTIME;
1901	$self->last_access ($cf::RUNTIME);	2042	$self->last_access ($cf::RUNTIME);
1902		2043
1903	$self->in_memory (cf::MAP_IN_MEMORY);	2044	$self->in_memory (cf::MAP_ACTIVE);
1904	}	2045	}
1905		2046
1906	$self->post_load;	2047	$self->post_load;
1907	}	2048	}
1908		2049
…		…
1966	my ($path, $origin, $load) = @_;	2107	my ($path, $origin, $load) = @_;
1967		2108
1968	$path = normalise $path, $origin && $origin->{path};	2109	$path = normalise $path, $origin && $origin->{path};
1969		2110
1970	if (my $map = $cf::MAP{$path}) {	2111	if (my $map = $cf::MAP{$path}) {
1971	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2112	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1972	}	2113	}
1973		2114
1974	$MAP_PREFETCH{$path} |= $load;	2115	$MAP_PREFETCH{$path} |= $load;
1975		2116
1976	$MAP_PREFETCHER ||= cf::async {	2117	$MAP_PREFETCHER ||= cf::async {
		2118	$Coro::current->{desc} = "map prefetcher";
		2119
1977	while (%MAP_PREFETCH) {	2120	while (%MAP_PREFETCH) {
1978	while (my ($k, $v) = each %MAP_PREFETCH) {	2121	while (my ($k, $v) = each %MAP_PREFETCH) {
1979	if (my $map = find $k) {	2122	if (my $map = find $k) {
1980	$map->load if $v;	2123	$map->load if $v;
1981	}	2124	}
…		…
2007	return if $self->{deny_save};	2150	return if $self->{deny_save};
2008		2151
2009	local $self->{last_access} = $self->last_access;#d#	2152	local $self->{last_access} = $self->last_access;#d#
2010		2153
2011	cf::async {	2154	cf::async {
		2155	$Coro::current->{desc} = "map player save";
2012	$_->contr->save for $self->players;	2156	$_->contr->save for $self->players;
2013	};	2157	};
		2158
		2159	cf::get_slot 0.02;
2014		2160
2015	if ($uniq) {	2161	if ($uniq) {
2016	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2162	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2017	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2163	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2018	} else {	2164	} else {
…		…
2027	$self->save;	2173	$self->save;
2028		2174
2029	my $lock = cf::lock_acquire "map_data:$self->{path}";	2175	my $lock = cf::lock_acquire "map_data:$self->{path}";
2030		2176
2031	return if $self->players;	2177	return if $self->players;
2032	return if $self->in_memory != cf::MAP_IN_MEMORY;	2178	return if $self->in_memory != cf::MAP_ACTIVE;
2033	return if $self->{deny_save};	2179	return if $self->{deny_save};
2034		2180
		2181	$self->in_memory (cf::MAP_SWAPPED);
		2182
		2183	$self->deactivate;
		2184	$_->clear_links_to ($self) for values %cf::MAP;
2035	$self->clear;	2185	$self->clear;
2036	$self->in_memory (cf::MAP_SWAPPED);
2037	}	2186	}
2038		2187
2039	sub reset_at {	2188	sub reset_at {
2040	my ($self) = @_;	2189	my ($self) = @_;
2041		2190
…		…
2073	if $uniq;	2222	if $uniq;
2074	}	2223	}
2075		2224
2076	delete $cf::MAP{$self->path};	2225	delete $cf::MAP{$self->path};
2077		2226
		2227	$self->deactivate;
		2228	$_->clear_links_to ($self) for values %cf::MAP;
2078	$self->clear;	2229	$self->clear;
2079
2080	$_->clear_links_to ($self) for values %cf::MAP;
2081		2230
2082	$self->unlink_save;	2231	$self->unlink_save;
2083	$self->destroy;	2232	$self->destroy;
2084	}	2233	}
2085		2234
…		…
2152		2301
2153	sub unique_maps() {	2302	sub unique_maps() {
2154	[	2303	[
2155	map {	2304	map {
2156	utf8::decode $_;	2305	utf8::decode $_;
2157	/\.map$/	2306	s/\.map$//; # TODO future compatibility hack
		2307	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2308	? ()
2158	? normalise $_	2309	: normalise $_
2159	: ()
2160	} @{ aio_readdir $UNIQUEDIR or [] }	2310	} @{ aio_readdir $UNIQUEDIR or [] }
2161	]	2311	]
2162	}	2312	}
2163		2313
2164	package cf;
2165
2166	=back	2314	=back
2167		2315
2168	=head3 cf::object	2316	=head3 cf::object
2169		2317
2170	=cut	2318	=cut
…		…
2173		2321
2174	=over 4	2322	=over 4
2175		2323
2176	=item $ob->inv_recursive	2324	=item $ob->inv_recursive
2177		2325
2178	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.
2179		2328
2180	=cut	2329	=cut
2181		2330
2182	sub inv_recursive_;	2331	sub inv_recursive_;
2183	sub inv_recursive_ {	2332	sub inv_recursive_ {
…		…
2186		2335
2187	sub inv_recursive {	2336	sub inv_recursive {
2188	inv_recursive_ inv $_[0]	2337	inv_recursive_ inv $_[0]
2189	}	2338	}
2190		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
2191	package cf;	2368	package cf;
2192		2369
2193	=back	2370	=back
2194		2371
2195	=head3 cf::object::player	2372	=head3 cf::object::player
…		…
2201	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>
2202	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
2203	dialogue with the given NPC character.	2380	dialogue with the given NPC character.
2204		2381
2205	=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	};
2206		2397
2207	# rough implementation of a future "reply" method that works	2398	# rough implementation of a future "reply" method that works
2208	# with dialog boxes.	2399	# with dialog boxes.
2209	#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
2210	sub cf::object::player::reply($$$;$) {	2401	sub cf::object::player::reply($$$;$) {
…		…
2222	my $dialog = $pl->{npc_dialog};	2413	my $dialog = $pl->{npc_dialog};
2223	$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));
2224		2415
2225	} else {	2416	} else {
2226	$msg = $npc->name . " says: $msg" if $npc;	2417	$msg = $npc->name . " says: $msg" if $npc;
2227	$self->message ($msg, $flags);	2418	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2228	}	2419	}
2229	}	2420	}
2230	}	2421	}
2231		2422
2232	=item $object->send_msg ($channel, $msg, $color, [extra...])	2423	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2257		2448
2258	=item $player_object->enter_link	2449	=item $player_object->enter_link
2259		2450
2260	Freezes the player and moves him/her to a special map (C<{link}>).	2451	Freezes the player and moves him/her to a special map (C<{link}>).
2261		2452
2262	The player should be reasonably safe there for short amounts of time. You	2453	The player should be reasonably safe there for short amounts of time (e.g.
2263	I<MUST> call C<leave_link> as soon as possible, though.	2454	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2455	though, as the palyer cannot control the character while it is on the link
		2456	map.
2264		2457
2265	Will never block.	2458	Will never block.
2266		2459
2267	=item $player_object->leave_link ($map, $x, $y)	2460	=item $player_object->leave_link ($map, $x, $y)
2268		2461
…		…
2326		2519
2327	$map->load;	2520	$map->load;
2328	$map->load_neighbours;	2521	$map->load_neighbours;
2329		2522
2330	return unless $self->contr->active;	2523	return unless $self->contr->active;
		2524	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2331	$self->activate_recursive;	2525	$self->activate_recursive;
2332		2526
2333	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2527	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2334	$self->enter_map ($map, $x, $y);	2528	$self->enter_map ($map, $x, $y);
2335	}	2529	}
…		…
2340	her, loading and preparing them map, calling the provided $check callback	2534	her, loading and preparing them map, calling the provided $check callback
2341	that has to return the map if sucecssful, and then unfreezes the player on	2535	that has to return the map if sucecssful, and then unfreezes the player on
2342	the new (success) or old (failed) map position. In either case, $done will	2536	the new (success) or old (failed) map position. In either case, $done will
2343	be called at the end of this process.	2537	be called at the end of this process.
2344		2538
		2539	Note that $check will be called with a potentially non-loaded map, so if
		2540	it needs a loaded map it has to call C<< ->load >>.
		2541
2345	=cut	2542	=cut
2346		2543
2347	our $GOTOGEN;	2544	our $GOTOGEN;
2348		2545
2349	sub cf::object::player::goto {	2546	sub cf::object::player::goto {
…		…
2353	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2550	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2354		2551
2355	$self->enter_link;	2552	$self->enter_link;
2356		2553
2357	(async {	2554	(async {
		2555	$Coro::current->{desc} = "player::goto $path $x $y";
		2556
		2557	# *tag paths override both path and x|y
		2558	if ($path =~ /^\*(.*)$/) {
		2559	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2560	my $ob = $obs[rand @obs];
		2561
		2562	# see if we actually can go there
		2563	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2564	$ob = $obs[rand @obs];
		2565	} else {
		2566	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2567	}
		2568	# else put us there anyways for now #d#
		2569
		2570	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2571	} else {
		2572	($path, $x, $y) = (undef, undef, undef);
		2573	}
		2574	}
		2575
2358	my $map = eval {	2576	my $map = eval {
2359	my $map = cf::map::find $path;	2577	my $map = defined $path ? cf::map::find $path : undef;
2360		2578
2361	if ($map) {	2579	if ($map) {
2362	$map = $map->customise_for ($self);	2580	$map = $map->customise_for ($self);
2363	$map = $check->($map) if $check && $map;	2581	$map = $check->($map) if $check && $map;
2364	} else {	2582	} else {
2365	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2583	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2366	}	2584	}
2367		2585
2368	$map	2586	$map
2369	};	2587	};
2370		2588
…		…
2406	}	2624	}
2407		2625
2408	sub prepare_random_map {	2626	sub prepare_random_map {
2409	my ($exit) = @_;	2627	my ($exit) = @_;
2410		2628
2411	my $guard = cf::lock_acquire "exit_prepare:$exit";
2412
2413	# all this does is basically replace the /! path by	2629	# all this does is basically replace the /! path by
2414	# a new random map path (?random/...) with a seed	2630	# a new random map path (?random/...) with a seed
2415	# that depends on the exit object	2631	# that depends on the exit object
2416		2632
2417	my $rmp = parse_random_map_params $exit->msg;	2633	my $rmp = parse_random_map_params $exit->msg;
…		…
2419	if ($exit->map) {	2635	if ($exit->map) {
2420	$rmp->{region} = $exit->region->name;	2636	$rmp->{region} = $exit->region->name;
2421	$rmp->{origin_map} = $exit->map->path;	2637	$rmp->{origin_map} = $exit->map->path;
2422	$rmp->{origin_x} = $exit->x;	2638	$rmp->{origin_x} = $exit->x;
2423	$rmp->{origin_y} = $exit->y;	2639	$rmp->{origin_y} = $exit->y;
		2640
		2641	$exit->map->touch;
2424	}	2642	}
2425		2643
2426	$rmp->{random_seed} ||= $exit->random_seed;	2644	$rmp->{random_seed} ||= $exit->random_seed;
2427		2645
2428	my $data = cf::to_json $rmp;	2646	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2429	my $md5 = Digest::MD5::md5_hex $data;	2647	my $md5 = Digest::MD5::md5_hex $data;
2430	my $meta = "$RANDOMDIR/$md5.meta";	2648	my $meta = "$RANDOMDIR/$md5.meta";
2431		2649
2432	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2650	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2433	aio_write $fh, 0, (length $data), $data, 0;	2651	aio_write $fh, 0, (length $data), $data, 0;
2434	undef $fh;	2652	undef $fh;
2435	aio_rename "$meta~", $meta;	2653	aio_rename "$meta~", $meta;
2436		2654
		2655	my $slaying = "?random/$md5";
		2656
		2657	if ($exit->valid) {
2437	$exit->slaying ("?random/$md5");	2658	$exit->slaying ("?random/$md5");
2438	$exit->msg (undef);	2659	$exit->msg (undef);
		2660	}
2439	}	2661	}
2440	}	2662	}
2441		2663
2442	sub cf::object::player::enter_exit {	2664	sub cf::object::player::enter_exit {
2443	my ($self, $exit) = @_;	2665	my ($self, $exit) = @_;
2444		2666
2445	return unless $self->type == cf::PLAYER;	2667	return unless $self->type == cf::PLAYER;
2446		2668
2447	if ($exit->slaying eq "/!") {
2448	#TODO: this should de-fi-ni-te-ly not be a sync-job
2449	# the problem is that $exit might not survive long enough
2450	# so it needs to be done right now, right here
2451	cf::sync_job { prepare_random_map $exit };
2452	}
2453
2454	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2455	my $hp = $exit->stats->hp;
2456	my $sp = $exit->stats->sp;
2457
2458	$self->enter_link;	2669	$self->enter_link;
2459		2670
2460	# if exit is damned, update players death & WoR home-position
2461	$self->contr->savebed ($slaying, $hp, $sp)
2462	if $exit->flag (FLAG_DAMNED);
2463
2464	(async {	2671	(async {
2465	$self->deactivate_recursive; # just to be sure	2672	$Coro::current->{desc} = "enter_exit";
		2673
2466	unless (eval {	2674	unless (eval {
		2675	$self->deactivate_recursive; # just to be sure
		2676
		2677	# random map handling
		2678	{
		2679	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2680
		2681	prepare_random_map $exit
		2682	if $exit->slaying eq "/!";
		2683	}
		2684
		2685	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2686	my $x = $exit->stats->hp;
		2687	my $y = $exit->stats->sp;
		2688
2467	$self->goto ($slaying, $hp, $sp);	2689	$self->goto ($map, $x, $y);
2468		2690
		2691	# if exit is damned, update players death & WoR home-position
		2692	$self->contr->savebed ($map, $x, $y)
		2693	if $exit->flag (cf::FLAG_DAMNED);
		2694
2469	1;	2695	1
2470	}) {	2696	}) {
2471	$self->message ("Something went wrong deep within the crossfire server. "	2697	$self->message ("Something went wrong deep within the crossfire server. "
2472	. "I'll try to bring you back to the map you were before. "	2698	. "I'll try to bring you back to the map you were before. "
2473	. "Please report this to the dungeon master!",	2699	. "Please report this to the dungeon master!",
2474	cf::NDI_UNIQUE | cf::NDI_RED);	2700	cf::NDI_UNIQUE | cf::NDI_RED);
…		…
2504	the message, with C<log> being the default. If C<$color> is negative, suppress	2730	the message, with C<log> being the default. If C<$color> is negative, suppress
2505	the message unless the client supports the msg packet.	2731	the message unless the client supports the msg packet.
2506		2732
2507	=cut	2733	=cut
2508		2734
		2735	# non-persistent channels (usually the info channel)
2509	our %CHANNEL = (	2736	our %CHANNEL = (
2510	"c/identify" => {	2737	"c/identify" => {
2511	id => "identify",	2738	id => "infobox",
2512	title => "Identify",	2739	title => "Identify",
2513	reply => undef,	2740	reply => undef,
2514	tooltip => "Items recently identified",	2741	tooltip => "Items recently identified",
2515	},	2742	},
		2743	"c/examine" => {
		2744	id => "infobox",
		2745	title => "Examine",
		2746	reply => undef,
		2747	tooltip => "Signs and other items you examined",
		2748	},
		2749	"c/book" => {
		2750	id => "infobox",
		2751	title => "Book",
		2752	reply => undef,
		2753	tooltip => "The contents of a note or book",
		2754	},
		2755	"c/lookat" => {
		2756	id => "infobox",
		2757	title => "Look",
		2758	reply => undef,
		2759	tooltip => "What you saw there",
		2760	},
		2761	"c/who" => {
		2762	id => "infobox",
		2763	title => "Players",
		2764	reply => undef,
		2765	tooltip => "Shows players who are currently online",
		2766	},
		2767	"c/body" => {
		2768	id => "infobox",
		2769	title => "Body Parts",
		2770	reply => undef,
		2771	tooltip => "Shows which body parts you posess and are available",
		2772	},
		2773	"c/uptime" => {
		2774	id => "infobox",
		2775	title => "Uptime",
		2776	reply => undef,
		2777	tooltip => "How long the server has been running since last restart",
		2778	},
		2779	"c/mapinfo" => {
		2780	id => "infobox",
		2781	title => "Map Info",
		2782	reply => undef,
		2783	tooltip => "Information related to the maps",
		2784	},
		2785	"c/party" => {
		2786	id => "party",
		2787	title => "Party",
		2788	reply => "gsay ",
		2789	tooltip => "Messages and chat related to your party",
		2790	},
2516	);	2791	);
2517		2792
2518	sub cf::client::send_msg {	2793	sub cf::client::send_msg {
2519	my ($self, $channel, $msg, $color, @extra) = @_;	2794	my ($self, $channel, $msg, $color, @extra) = @_;
2520		2795
2521	$msg = $self->pl->expand_cfpod ($msg);	2796	$msg = $self->pl->expand_cfpod ($msg);
2522		2797
2523	$color &= cf::NDI_CLIENT_MASK; # just in case...	2798	$color &= cf::NDI_CLIENT_MASK; # just in case...
2524		2799
2525	# check predefined channels, for the benefit of C	2800	# check predefined channels, for the benefit of C
2526	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};	2801	if ($CHANNEL{$channel}) {
		2802	$channel = $CHANNEL{$channel};
2527		2803
		2804	$self->ext_msg (channel_info => $channel)
		2805	if $self->can_msg;
		2806
		2807	$channel = $channel->{id};
		2808
2528	if (ref $channel) {	2809	} elsif (ref $channel) {
2529	# send meta info to client, if not yet sent	2810	# send meta info to client, if not yet sent
2530	unless (exists $self->{channel}{$channel->{id}}) {	2811	unless (exists $self->{channel}{$channel->{id}}) {
2531	$self->{channel}{$channel->{id}} = $channel;	2812	$self->{channel}{$channel->{id}} = $channel;
2532	$self->ext_msg (channel_info => $channel);	2813	$self->ext_msg (channel_info => $channel)
		2814	if $self->can_msg;
2533	}	2815	}
2534		2816
2535	$channel = $channel->{id};	2817	$channel = $channel->{id};
2536	}	2818	}
2537		2819
…		…
2540	if ($self->can_msg) {	2822	if ($self->can_msg) {
2541	# default colour, mask it out	2823	# default colour, mask it out
2542	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2824	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2543	if $color & cf::NDI_DEF;	2825	if $color & cf::NDI_DEF;
2544		2826
2545	$self->send_packet ("msg " . $self->{json_coder}->encode (	2827	my $pkt = "msg "
		2828	. $self->{json_coder}->encode (
2546	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2829	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2830	);
		2831
		2832	# try lzf for large packets
		2833	$pkt = "lzf " . Compress::LZF::compress $pkt
		2834	if 1024 <= length $pkt and $self->{can_lzf};
		2835
		2836	# split very large packets
		2837	if (8192 < length $pkt and $self->{can_lzf}) {
		2838	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2839	$pkt = "frag";
		2840	}
		2841
		2842	$self->send_packet ($pkt);
2547	} else {	2843	} else {
2548	if ($color >= 0) {	2844	if ($color >= 0) {
2549	# replace some tags by gcfclient-compatible ones	2845	# replace some tags by gcfclient-compatible ones
2550	for ($msg) {	2846	for ($msg) {
2551	1 while	2847	1 while
…		…
2749	=pod	3045	=pod
2750		3046
2751	The following functions and methods are available within a safe environment:	3047	The following functions and methods are available within a safe environment:
2752		3048
2753	cf::object	3049	cf::object
2754	contr pay_amount pay_player map x y force_find force_add	3050	contr pay_amount pay_player map x y force_find force_add destroy
2755	insert remove name archname title slaying race decrease_ob_nr	3051	insert remove name archname title slaying race decrease split
2756		3052
2757	cf::object::player	3053	cf::object::player
2758	player	3054	player
2759		3055
2760	cf::player	3056	cf::player
…		…
2765		3061
2766	=cut	3062	=cut
2767		3063
2768	for (	3064	for (
2769	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3065	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2770	insert remove inv name archname title slaying race	3066	insert remove inv nrof name archname title slaying race
2771	decrease_ob_nr)],	3067	decrease split destroy change_exp)],
2772	["cf::object::player" => qw(player)],	3068	["cf::object::player" => qw(player)],
2773	["cf::player" => qw(peaceful)],	3069	["cf::player" => qw(peaceful)],
2774	["cf::map" => qw(trigger)],	3070	["cf::map" => qw(trigger)],
2775	) {	3071	) {
2776	no strict 'refs';	3072	no strict 'refs';
…		…
2881	{	3177	{
2882	my $faces = $facedata->{faceinfo};	3178	my $faces = $facedata->{faceinfo};
2883		3179
2884	while (my ($face, $info) = each %$faces) {	3180	while (my ($face, $info) = each %$faces) {
2885	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3181	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3182
2886	cf::face::set_visibility $idx, $info->{visibility};	3183	cf::face::set_visibility $idx, $info->{visibility};
2887	cf::face::set_magicmap $idx, $info->{magicmap};	3184	cf::face::set_magicmap $idx, $info->{magicmap};
2888	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3185	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2889	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3186	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2890		3187
2891	cf::cede_to_tick;	3188	cf::cede_to_tick;
2892	}	3189	}
2893		3190
2894	while (my ($face, $info) = each %$faces) {	3191	while (my ($face, $info) = each %$faces) {
2895	next unless $info->{smooth};	3192	next unless $info->{smooth};
		3193
2896	my $idx = cf::face::find $face	3194	my $idx = cf::face::find $face
2897	or next;	3195	or next;
		3196
2898	if (my $smooth = cf::face::find $info->{smooth}) {	3197	if (my $smooth = cf::face::find $info->{smooth}) {
2899	cf::face::set_smooth $idx, $smooth;	3198	cf::face::set_smooth $idx, $smooth;
2900	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3199	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2901	} else {	3200	} else {
2902	warn "smooth face '$info->{smooth}' not found for face '$face'";	3201	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2920	{	3219	{
2921	# TODO: for gcfclient pleasure, we should give resources	3220	# TODO: for gcfclient pleasure, we should give resources
2922	# that gcfclient doesn't grok a >10000 face index.	3221	# that gcfclient doesn't grok a >10000 face index.
2923	my $res = $facedata->{resource};	3222	my $res = $facedata->{resource};
2924		3223
2925	my $soundconf = delete $res->{"res/sound.conf"};
2926
2927	while (my ($name, $info) = each %$res) {	3224	while (my ($name, $info) = each %$res) {
		3225	if (defined $info->{type}) {
2928	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3226	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2929	my $data;	3227	my $data;
2930		3228
2931	if ($info->{type} & 1) {	3229	if ($info->{type} & 1) {
2932	# prepend meta info	3230	# prepend meta info
2933		3231
2934	my $meta = $enc->encode ({	3232	my $meta = $enc->encode ({
2935	name => $name,	3233	name => $name,
2936	%{ $info->{meta} || {} },	3234	%{ $info->{meta} || {} },
2937	});	3235	});
2938		3236
2939	$data = pack "(w/a*)*", $meta, $info->{data};	3237	$data = pack "(w/a*)*", $meta, $info->{data};
		3238	} else {
		3239	$data = $info->{data};
		3240	}
		3241
		3242	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3243	cf::face::set_type $idx, $info->{type};
2940	} else {	3244	} else {
2941	$data = $info->{data};	3245	$RESOURCE{$name} = $info;
2942	}	3246	}
2943		3247
2944	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2945	cf::face::set_type $idx, $info->{type};
2946
2947	cf::cede_to_tick;	3248	cf::cede_to_tick;
2948	}	3249	}
2949
2950	if ($soundconf) {
2951	$soundconf = $enc->decode (delete $soundconf->{data});
2952
2953	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2954	my $sound = $soundconf->{compat}[$_]
2955	or next;
2956
2957	my $face = cf::face::find "sound/$sound->[1]";
2958	cf::sound::set $sound->[0] => $face;
2959	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2960	}
2961
2962	while (my ($k, $v) = each %{$soundconf->{event}}) {
2963	my $face = cf::face::find "sound/$v";
2964	cf::sound::set $k => $face;
2965	}
2966	}
2967	}	3250	}
		3251
		3252	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2968		3253
2969	1	3254	1
2970	}	3255	}
		3256
		3257	cf::global->attach (on_resource_update => sub {
		3258	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3259	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3260
		3261	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3262	my $sound = $soundconf->{compat}[$_]
		3263	or next;
		3264
		3265	my $face = cf::face::find "sound/$sound->[1]";
		3266	cf::sound::set $sound->[0] => $face;
		3267	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3268	}
		3269
		3270	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3271	my $face = cf::face::find "sound/$v";
		3272	cf::sound::set $k => $face;
		3273	}
		3274	}
		3275	});
2971		3276
2972	register_exticmd fx_want => sub {	3277	register_exticmd fx_want => sub {
2973	my ($ns, $want) = @_;	3278	my ($ns, $want) = @_;
2974		3279
2975	while (my ($k, $v) = each %$want) {	3280	while (my ($k, $v) = each %$want) {
2976	$ns->fx_want ($k, $v);	3281	$ns->fx_want ($k, $v);
2977	}	3282	}
2978	};	3283	};
		3284
		3285	sub load_resource_file($) {
		3286	my $guard = lock_acquire "load_resource_file";
		3287
		3288	my $status = load_resource_file_ $_[0];
		3289	get_slot 0.1, 100;
		3290	cf::arch::commit_load;
		3291
		3292	$status
		3293	}
2979		3294
2980	sub reload_regions {	3295	sub reload_regions {
2981	# HACK to clear player env face cache, we need some signal framework	3296	# HACK to clear player env face cache, we need some signal framework
2982	# for this (global event?)	3297	# for this (global event?)
2983	%ext::player_env::MUSIC_FACE_CACHE = ();	3298	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
2997	}	3312	}
2998		3313
2999	sub reload_archetypes {	3314	sub reload_archetypes {
3000	load_resource_file "$DATADIR/archetypes"	3315	load_resource_file "$DATADIR/archetypes"
3001	or die "unable to load archetypes\n";	3316	or die "unable to load archetypes\n";
3002	#d# NEED to laod twice to resolve forward references
3003	# this really needs to be done in an extra post-pass
3004	# (which needs to be synchronous, so solve it differently)
3005	load_resource_file "$DATADIR/archetypes"
3006	or die "unable to load archetypes\n";
3007	}	3317	}
3008		3318
3009	sub reload_treasures {	3319	sub reload_treasures {
3010	load_resource_file "$DATADIR/treasures"	3320	load_resource_file "$DATADIR/treasures"
3011	or die "unable to load treasurelists\n";	3321	or die "unable to load treasurelists\n";
3012	}	3322	}
3013		3323
3014	sub reload_resources {	3324	sub reload_resources {
3015	warn "reloading resource files...\n";	3325	warn "reloading resource files...\n";
3016		3326
		3327	reload_facedata;
		3328	reload_archetypes;
3017	reload_regions;	3329	reload_regions;
3018	reload_facedata;
3019	#reload_archetypes;#d#
3020	reload_archetypes;
3021	reload_treasures;	3330	reload_treasures;
3022		3331
3023	warn "finished reloading resource files\n";	3332	warn "finished reloading resource files\n";
3024	}	3333	}
3025		3334
3026	sub init {	3335	sub init {
		3336	my $guard = freeze_mainloop;
		3337
		3338	evthread_start IO::AIO::poll_fileno;
		3339
3027	reload_resources;	3340	reload_resources;
3028	}	3341	}
3029		3342
3030	sub reload_config {	3343	sub reload_config {
3031	open my $fh, "<:utf8", "$CONFDIR/config"	3344	open my $fh, "<:utf8", "$CONFDIR/config"
3032	or return;	3345	or return;
3033		3346
3034	local $/;	3347	local $/;
3035	*CFG = YAML::Syck::Load <$fh>;	3348	*CFG = YAML::Load <$fh>;
3036		3349
3037	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3350	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3038		3351
3039	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3352	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3040	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3353	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3046	};	3359	};
3047	warn $@ if $@;	3360	warn $@ if $@;
3048	}	3361	}
3049	}	3362	}
3050		3363
		3364	sub pidfile() {
		3365	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3366	or die "$PIDFILE: $!";
		3367	flock $fh, &Fcntl::LOCK_EX
		3368	or die "$PIDFILE: flock: $!";
		3369	$fh
		3370	}
		3371
		3372	# make sure only one server instance is running at any one time
		3373	sub atomic {
		3374	my $fh = pidfile;
		3375
		3376	my $pid = <$fh>;
		3377	kill 9, $pid if $pid > 0;
		3378
		3379	seek $fh, 0, 0;
		3380	print $fh $$;
		3381	}
		3382
3051	sub main {	3383	sub main {
		3384	atomic;
		3385
3052	# we must not ever block the main coroutine	3386	# we must not ever block the main coroutine
3053	local $Coro::idle = sub {	3387	local $Coro::idle = sub {
3054	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3388	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3055	(async {	3389	(async {
3056	Event::one_event;	3390	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3391	EV::loop EV::LOOP_ONESHOT;
3057	})->prio (Coro::PRIO_MAX);	3392	})->prio (Coro::PRIO_MAX);
3058	};	3393	};
3059		3394
		3395	{
		3396	my $guard = freeze_mainloop;
3060	reload_config;	3397	reload_config;
3061	db_init;	3398	db_init;
3062	load_extensions;	3399	load_extensions;
3063		3400
3064	$TICK_WATCHER->start;	3401	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3402	}
		3403
		3404	utime time, time, $RUNTIMEFILE;
		3405
		3406	# no (long-running) fork's whatsoever before this point(!)
		3407	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3408
3065	Event::loop;	3409	EV::loop;
3066	}	3410	}
3067		3411
3068	#############################################################################	3412	#############################################################################
3069	# initialisation and cleanup	3413	# initialisation and cleanup
3070		3414
3071	# install some emergency cleanup handlers	3415	# install some emergency cleanup handlers
3072	BEGIN {	3416	BEGIN {
		3417	our %SIGWATCHER = ();
3073	for my $signal (qw(INT HUP TERM)) {	3418	for my $signal (qw(INT HUP TERM)) {
3074	Event->signal (	3419	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3075	reentrant => 0,
3076	data => WF_AUTOCANCEL,
3077	signal => $signal,
3078	prio => 0,
3079	cb => sub {
3080	cf::cleanup "SIG$signal";	3420	cf::cleanup "SIG$signal";
3081	},
3082	);	3421	};
3083	}	3422	}
3084	}	3423	}
3085		3424
3086	sub write_runtime {	3425	sub write_runtime_sync {
3087	my $runtime = "$LOCALDIR/runtime";
3088
3089	# first touch the runtime file to show we are still running:	3426	# first touch the runtime file to show we are still running:
3090	# the fsync below can take a very very long time.	3427	# the fsync below can take a very very long time.
3091		3428
3092	IO::AIO::aio_utime $runtime, undef, undef;	3429	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3093		3430
3094	my $guard = cf::lock_acquire "write_runtime";	3431	my $guard = cf::lock_acquire "write_runtime";
3095		3432
3096	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3433	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3097	or return;	3434	or return;
3098		3435
3099	my $value = $cf::RUNTIME + 90 + 10;	3436	my $value = $cf::RUNTIME + 90 + 10;
3100	# 10 is the runtime save interval, for a monotonic clock	3437	# 10 is the runtime save interval, for a monotonic clock
3101	# 60 allows for the watchdog to kill the server.	3438	# 60 allows for the watchdog to kill the server.
…		…
3111	aio_utime $fh, undef, undef;	3448	aio_utime $fh, undef, undef;
3112		3449
3113	close $fh	3450	close $fh
3114	or return;	3451	or return;
3115		3452
3116	aio_rename "$runtime~", $runtime	3453	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3117	and return;	3454	and return;
3118		3455
3119	warn "runtime file written.\n";	3456	warn "runtime file written.\n";
3120		3457
3121	1	3458	1
		3459	}
		3460
		3461	our $uuid_lock;
		3462	our $uuid_skip;
		3463
		3464	sub write_uuid_sync($) {
		3465	$uuid_skip ||= $_[0];
		3466
		3467	return if $uuid_lock;
		3468	local $uuid_lock = 1;
		3469
		3470	my $uuid = "$LOCALDIR/uuid";
		3471
		3472	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3473	or return;
		3474
		3475	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3476	$uuid_skip = 0;
		3477
		3478	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3479	and return;
		3480
		3481	# always fsync - this file is important
		3482	aio_fsync $fh
		3483	and return;
		3484
		3485	close $fh
		3486	or return;
		3487
		3488	aio_rename "$uuid~", $uuid
		3489	and return;
		3490
		3491	warn "uuid file written ($value).\n";
		3492
		3493	1
		3494
		3495	}
		3496
		3497	sub write_uuid($$) {
		3498	my ($skip, $sync) = @_;
		3499
		3500	$sync ? write_uuid_sync $skip
		3501	: async { write_uuid_sync $skip };
3122	}	3502	}
3123		3503
3124	sub emergency_save() {	3504	sub emergency_save() {
3125	my $freeze_guard = cf::freeze_mainloop;	3505	my $freeze_guard = cf::freeze_mainloop;
3126		3506
…		…
3132	# and maps saved/destroyed asynchronously.	3512	# and maps saved/destroyed asynchronously.
3133	warn "begin emergency player save\n";	3513	warn "begin emergency player save\n";
3134	for my $login (keys %cf::PLAYER) {	3514	for my $login (keys %cf::PLAYER) {
3135	my $pl = $cf::PLAYER{$login} or next;	3515	my $pl = $cf::PLAYER{$login} or next;
3136	$pl->valid or next;	3516	$pl->valid or next;
		3517	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3137	$pl->save;	3518	$pl->save;
3138	}	3519	}
3139	warn "end emergency player save\n";	3520	warn "end emergency player save\n";
3140		3521
3141	warn "begin emergency map save\n";	3522	warn "begin emergency map save\n";
…		…
3147	warn "end emergency map save\n";	3528	warn "end emergency map save\n";
3148		3529
3149	warn "begin emergency database checkpoint\n";	3530	warn "begin emergency database checkpoint\n";
3150	BDB::db_env_txn_checkpoint $DB_ENV;	3531	BDB::db_env_txn_checkpoint $DB_ENV;
3151	warn "end emergency database checkpoint\n";	3532	warn "end emergency database checkpoint\n";
		3533
		3534	warn "begin write uuid\n";
		3535	write_uuid_sync 1;
		3536	warn "end write uuid\n";
3152	};	3537	};
3153		3538
3154	warn "leave emergency perl save\n";	3539	warn "leave emergency perl save\n";
3155	}	3540	}
3156		3541
3157	sub post_cleanup {	3542	sub post_cleanup {
3158	my ($make_core) = @_;	3543	my ($make_core) = @_;
3159		3544
3160	warn Carp::longmess "post_cleanup backtrace"	3545	warn Carp::longmess "post_cleanup backtrace"
3161	if $make_core;	3546	if $make_core;
		3547
		3548	my $fh = pidfile;
		3549	unlink $PIDFILE if <$fh> == $$;
3162	}	3550	}
		3551
		3552	# a safer delete_package, copied from Symbol
		3553	sub clear_package($) {
		3554	my $pkg = shift;
		3555
		3556	# expand to full symbol table name if needed
		3557	unless ($pkg =~ /^main::.*::$/) {
		3558	$pkg = "main$pkg" if $pkg =~ /^::/;
		3559	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3560	$pkg .= '::' unless $pkg =~ /::$/;
		3561	}
		3562
		3563	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3564	my $stem_symtab = *{$stem}{HASH};
		3565
		3566	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3567	or return;
		3568
		3569	# clear all symbols
		3570	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3571	for my $name (keys %$leaf_symtab) {
		3572	_gv_clear *{"$pkg$name"};
		3573	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3574	}
		3575	warn "cleared package #$pkg\n";#d#
		3576	}
		3577
		3578	our $RELOAD; # how many times to reload
3163		3579
3164	sub do_reload_perl() {	3580	sub do_reload_perl() {
3165	# can/must only be called in main	3581	# can/must only be called in main
3166	if ($Coro::current != $Coro::main) {	3582	if ($Coro::current != $Coro::main) {
3167	warn "can only reload from main coroutine";	3583	warn "can only reload from main coroutine";
3168	return;	3584	return;
3169	}	3585	}
3170		3586
		3587	return if $RELOAD++;
		3588
		3589	while ($RELOAD) {
3171	warn "reloading...";	3590	warn "reloading...";
3172		3591
3173	warn "entering sync_job";	3592	warn "entering sync_job";
3174		3593
3175	cf::sync_job {	3594	cf::sync_job {
3176	cf::write_runtime; # external watchdog should not bark	3595	cf::write_runtime_sync; # external watchdog should not bark
3177	cf::emergency_save;	3596	cf::emergency_save;
3178	cf::write_runtime; # external watchdog should not bark	3597	cf::write_runtime_sync; # external watchdog should not bark
3179		3598
3180	warn "syncing database to disk";	3599	warn "syncing database to disk";
3181	BDB::db_env_txn_checkpoint $DB_ENV;	3600	BDB::db_env_txn_checkpoint $DB_ENV;
3182		3601
3183	# if anything goes wrong in here, we should simply crash as we already saved	3602	# if anything goes wrong in here, we should simply crash as we already saved
3184		3603
3185	warn "cancelling all WF_AUTOCANCEL watchers";
3186	for (Event::all_watchers) {
3187	$_->cancel if $_->data & WF_AUTOCANCEL;
3188	}
3189
3190	warn "flushing outstanding aio requests";	3604	warn "flushing outstanding aio requests";
3191	for (;;) {
3192	BDB::flush;
3193	IO::AIO::flush;
3194	Coro::cede;
3195	last unless IO::AIO::nreqs || BDB::nreqs;	3605	while (IO::AIO::nreqs || BDB::nreqs) {
3196	warn "iterate...";	3606	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3197	}
3198
3199	++$RELOAD;
3200
3201	warn "cancelling all extension coros";
3202	$_->cancel for values %EXT_CORO;
3203	%EXT_CORO = ();
3204
3205	warn "removing commands";
3206	%COMMAND = ();
3207
3208	warn "removing ext/exti commands";
3209	%EXTCMD = ();
3210	%EXTICMD = ();
3211
3212	warn "unloading/nuking all extensions";
3213	for my $pkg (@EXTS) {
3214	warn "... unloading $pkg";
3215
3216	if (my $cb = $pkg->can ("unload")) {
3217	eval {
3218	$cb->($pkg);
3219	1
3220	} or warn "$pkg unloaded, but with errors: $@";
3221	}	3607	}
3222		3608
3223	warn "... nuking $pkg";	3609	warn "cancelling all extension coros";
3224	Symbol::delete_package $pkg;	3610	$_->cancel for values %EXT_CORO;
3225	}	3611	%EXT_CORO = ();
3226		3612
3227	warn "unloading all perl modules loaded from $LIBDIR";	3613	warn "removing commands";
3228	while (my ($k, $v) = each %INC) {	3614	%COMMAND = ();
3229	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3230		3615
		3616	warn "removing ext/exti commands";
		3617	%EXTCMD = ();
		3618	%EXTICMD = ();
		3619
		3620	warn "unloading/nuking all extensions";
		3621	for my $pkg (@EXTS) {
3231	warn "... unloading $k";	3622	warn "... unloading $pkg";
3232	delete $INC{$k};
3233		3623
3234	$k =~ s/\.pm$//;
3235	$k =~ s/\//::/g;
3236
3237	if (my $cb = $k->can ("unload_module")) {	3624	if (my $cb = $pkg->can ("unload")) {
		3625	eval {
3238	$cb->();	3626	$cb->($pkg);
		3627	1
		3628	} or warn "$pkg unloaded, but with errors: $@";
		3629	}
		3630
		3631	warn "... clearing $pkg";
		3632	clear_package $pkg;
3239	}	3633	}
3240		3634
3241	Symbol::delete_package $k;	3635	warn "unloading all perl modules loaded from $LIBDIR";
		3636	while (my ($k, $v) = each %INC) {
		3637	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3638
		3639	warn "... unloading $k";
		3640	delete $INC{$k};
		3641
		3642	$k =~ s/\.pm$//;
		3643	$k =~ s/\//::/g;
		3644
		3645	if (my $cb = $k->can ("unload_module")) {
		3646	$cb->();
		3647	}
		3648
		3649	clear_package $k;
3242	}	3650	}
3243		3651
3244	warn "getting rid of safe::, as good as possible";	3652	warn "getting rid of safe::, as good as possible";
3245	Symbol::delete_package "safe::$_"	3653	clear_package "safe::$_"
3246	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3654	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3247		3655
3248	warn "unloading cf.pm \"a bit\"";	3656	warn "unloading cf.pm \"a bit\"";
3249	delete $INC{"cf.pm"};	3657	delete $INC{"cf.pm"};
3250	delete $INC{"cf/pod.pm"};	3658	delete $INC{"cf/pod.pm"};
3251		3659
3252	# don't, removes xs symbols, too,	3660	# don't, removes xs symbols, too,
3253	# and global variables created in xs	3661	# and global variables created in xs
3254	#Symbol::delete_package __PACKAGE__;	3662	#clear_package __PACKAGE__;
3255		3663
3256	warn "unload completed, starting to reload now";	3664	warn "unload completed, starting to reload now";
3257		3665
3258	warn "reloading cf.pm";	3666	warn "reloading cf.pm";
3259	require cf;	3667	require cf;
3260	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3668	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3261		3669
3262	warn "loading config and database again";	3670	warn "loading config and database again";
3263	cf::reload_config;	3671	cf::reload_config;
3264		3672
3265	warn "loading extensions";	3673	warn "loading extensions";
3266	cf::load_extensions;	3674	cf::load_extensions;
3267		3675
3268	warn "reattaching attachments to objects/players";	3676	warn "reattaching attachments to objects/players";
3269	_global_reattach; # objects, sockets	3677	_global_reattach; # objects, sockets
3270	warn "reattaching attachments to maps";	3678	warn "reattaching attachments to maps";
3271	reattach $_ for values %MAP;	3679	reattach $_ for values %MAP;
3272	warn "reattaching attachments to players";	3680	warn "reattaching attachments to players";
3273	reattach $_ for values %PLAYER;	3681	reattach $_ for values %PLAYER;
3274		3682
3275	warn "leaving sync_job";	3683	warn "leaving sync_job";
3276		3684
3277	1	3685	1
3278	} or do {	3686	} or do {
3279	warn $@;	3687	warn $@;
3280	warn "error while reloading, exiting.";	3688	cf::cleanup "error while reloading, exiting.";
3281	exit 1;
3282	};	3689	};
3283		3690
3284	warn "reloaded";	3691	warn "reloaded";
		3692	--$RELOAD;
		3693	}
3285	};	3694	};
3286		3695
3287	our $RELOAD_WATCHER; # used only during reload	3696	our $RELOAD_WATCHER; # used only during reload
3288		3697
3289	sub reload_perl() {	3698	sub reload_perl() {
3290	# doing reload synchronously and two reloads happen back-to-back,	3699	# doing reload synchronously and two reloads happen back-to-back,
3291	# coro crashes during coro_state_free->destroy here.	3700	# coro crashes during coro_state_free->destroy here.
3292		3701
3293	$RELOAD_WATCHER ||= Event->timer (	3702	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3294	reentrant => 0,
3295	after => 0,
3296	data => WF_AUTOCANCEL,
3297	cb => sub {
3298	do_reload_perl;	3703	do_reload_perl;
3299	undef $RELOAD_WATCHER;	3704	undef $RELOAD_WATCHER;
3300	},
3301	);	3705	};
3302	}	3706	}
3303		3707
3304	register_command "reload" => sub {	3708	register_command "reload" => sub {
3305	my ($who, $arg) = @_;	3709	my ($who, $arg) = @_;
3306		3710
3307	if ($who->flag (FLAG_WIZ)) {	3711	if ($who->flag (FLAG_WIZ)) {
3308	$who->message ("reloading server.");	3712	$who->message ("reloading server.");
		3713	async {
		3714	$Coro::current->{desc} = "perl_reload";
3309	async { reload_perl };	3715	reload_perl;
		3716	};
3310	}	3717	}
3311	};	3718	};
3312		3719
3313	unshift @INC, $LIBDIR;	3720	unshift @INC, $LIBDIR;
3314		3721
…		…
3316		3723
3317	our @WAIT_FOR_TICK;	3724	our @WAIT_FOR_TICK;
3318	our @WAIT_FOR_TICK_BEGIN;	3725	our @WAIT_FOR_TICK_BEGIN;
3319		3726
3320	sub wait_for_tick {	3727	sub wait_for_tick {
3321	return unless $TICK_WATCHER->is_active;
3322	return if $Coro::current == $Coro::main;	3728	return if tick_inhibit || $Coro::current == $Coro::main;
3323		3729
3324	my $signal = new Coro::Signal;	3730	my $signal = new Coro::Signal;
3325	push @WAIT_FOR_TICK, $signal;	3731	push @WAIT_FOR_TICK, $signal;
3326	$signal->wait;	3732	$signal->wait;
3327	}	3733	}
3328		3734
3329	sub wait_for_tick_begin {	3735	sub wait_for_tick_begin {
3330	return unless $TICK_WATCHER->is_active;
3331	return if $Coro::current == $Coro::main;	3736	return if tick_inhibit || $Coro::current == $Coro::main;
3332		3737
3333	my $signal = new Coro::Signal;	3738	my $signal = new Coro::Signal;
3334	push @WAIT_FOR_TICK_BEGIN, $signal;	3739	push @WAIT_FOR_TICK_BEGIN, $signal;
3335	$signal->wait;	3740	$signal->wait;
3336	}	3741	}
3337		3742
3338	my $min = 1e6;#d#	3743	sub tick {
3339	my $avg = 10;
3340	$TICK_WATCHER = Event->timer (
3341	reentrant => 0,
3342	parked => 1,
3343	prio => 0,
3344	at => $NEXT_TICK || $TICK,
3345	data => WF_AUTOCANCEL,
3346	cb => sub {
3347	if ($Coro::current != $Coro::main) {	3744	if ($Coro::current != $Coro::main) {
3348	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3745	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3349	unless ++$bug_warning > 10;	3746	unless ++$bug_warning > 10;
3350	return;	3747	return;
3351	}	3748	}
3352		3749
3353	$NOW = $tick_start = Event::time;
3354
3355	cf::server_tick; # one server iteration	3750	cf::server_tick; # one server iteration
3356		3751
3357	0 && sync_job {#d#	3752	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3358	for(1..10) {	3753	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3359	my $t = Event::time;	3754	Coro::async_pool {
3360	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3755	$Coro::current->{desc} = "runtime saver";
3361	or die;	3756	write_runtime_sync
3362		3757	or warn "ERROR: unable to write runtime file: $!";
3363	$map->width (50);
3364	$map->height (50);
3365	$map->alloc;
3366	$map->_load_objects ("/tmp/x.map", 1);
3367	my $t = Event::time - $t;
3368
3369	#next unless $t < 0.0013;#d#
3370	if ($t < $min) {
3371	$min = $t;
3372	}
3373	$avg = $avg * 0.99 + $t * 0.01;
3374	}
3375	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3376	exit 0;
3377	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3378	};	3758	};
		3759	}
3379		3760
3380	$RUNTIME += $TICK;
3381	$NEXT_TICK += $TICK;
3382
3383	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3384	$NEXT_RUNTIME_WRITE = $NOW + 10;
3385	Coro::async_pool {
3386	write_runtime
3387	or warn "ERROR: unable to write runtime file: $!";
3388	};
3389	}
3390
3391	# my $AFTER = Event::time;
3392	# warn $AFTER - $NOW;#d#
3393
3394	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3761	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3395	$sig->send;	3762	$sig->send;
3396	}	3763	}
3397	while (my $sig = shift @WAIT_FOR_TICK) {	3764	while (my $sig = shift @WAIT_FOR_TICK) {
3398	$sig->send;	3765	$sig->send;
3399	}	3766	}
3400		3767
3401	$NOW = Event::time;	3768	$LOAD = ($NOW - $TICK_START) / $TICK;
3402
3403	# if we are delayed by four ticks or more, skip them all
3404	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3405
3406	$TICK_WATCHER->at ($NEXT_TICK);
3407	$TICK_WATCHER->start;
3408
3409	$LOAD = ($NOW - $tick_start) / $TICK;
3410	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3769	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3411		3770
3412	_post_tick;	3771	if (0) {
3413		3772	if ($NEXT_TICK) {
3414		3773	my $jitter = $TICK_START - $NEXT_TICK;
		3774	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3775	warn "jitter $JITTER\n";#d#
		3776	}
3415	},	3777	}
3416	);	3778	}
3417		3779
3418	{	3780	{
3419	BDB::max_poll_time $TICK * 0.1;	3781	# configure BDB
3420	$BDB_POLL_WATCHER = Event->io (	3782
3421	reentrant => 0,
3422	fd => BDB::poll_fileno,
3423	poll => 'r',
3424	prio => 0,
3425	data => WF_AUTOCANCEL,
3426	cb => \&BDB::poll_cb,
3427	);
3428	BDB::min_parallel 8;	3783	BDB::min_parallel 8;
3429		3784	BDB::max_poll_reqs $TICK * 0.1;
3430	BDB::set_sync_prepare {	3785	$AnyEvent::BDB::WATCHER->priority (1);
3431	my $status;
3432	my $current = $Coro::current;
3433	(
3434	sub {
3435	$status = $!;
3436	$current->ready; undef $current;
3437	},
3438	sub {
3439	Coro::schedule while defined $current;
3440	$! = $status;
3441	},
3442	)
3443	};
3444		3786
3445	unless ($DB_ENV) {	3787	unless ($DB_ENV) {
3446	$DB_ENV = BDB::db_env_create;	3788	$DB_ENV = BDB::db_env_create;
		3789	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3790	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3791	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3792	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3793	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3447		3794
3448	cf::sync_job {	3795	cf::sync_job {
3449	eval {	3796	eval {
3450	BDB::db_env_open	3797	BDB::db_env_open
3451	$DB_ENV,	3798	$DB_ENV,
…		…
3453	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3800	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3454	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3801	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3455	0666;	3802	0666;
3456		3803
3457	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3804	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3458
3459	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3460	$DB_ENV->set_lk_detect;
3461	};	3805	};
3462		3806
3463	cf::cleanup "db_env_open(db): $@" if $@;	3807	cf::cleanup "db_env_open(db): $@" if $@;
3464	};	3808	};
3465	}	3809	}
		3810
		3811	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3812	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3813	};
		3814	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3815	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3816	};
		3817	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3818	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3819	};
3466	}	3820	}
3467		3821
3468	{	3822	{
		3823	# configure IO::AIO
		3824
3469	IO::AIO::min_parallel 8;	3825	IO::AIO::min_parallel 8;
3470
3471	undef $Coro::AIO::WATCHER;
3472	IO::AIO::max_poll_time $TICK * 0.1;	3826	IO::AIO::max_poll_time $TICK * 0.1;
3473	$AIO_POLL_WATCHER = Event->io (	3827	undef $AnyEvent::AIO::WATCHER;
3474	reentrant => 0,
3475	data => WF_AUTOCANCEL,
3476	fd => IO::AIO::poll_fileno,
3477	poll => 'r',
3478	prio => 6,
3479	cb => \&IO::AIO::poll_cb,
3480	);
3481	}	3828	}
3482		3829
3483	my $_log_backtrace;	3830	my $_log_backtrace;
3484		3831
3485	sub _log_backtrace {	3832	sub _log_backtrace {
…		…
3488	$msg =~ s/\n//;	3835	$msg =~ s/\n//;
3489		3836
3490	# limit the # of concurrent backtraces	3837	# limit the # of concurrent backtraces
3491	if ($_log_backtrace < 2) {	3838	if ($_log_backtrace < 2) {
3492	++$_log_backtrace;	3839	++$_log_backtrace;
		3840	my $perl_bt = Carp::longmess $msg;
3493	async {	3841	async {
		3842	$Coro::current->{desc} = "abt $msg";
		3843
3494	my @bt = fork_call {	3844	my @bt = fork_call {
3495	@addr = map { sprintf "%x", $_ } @addr;	3845	@addr = map { sprintf "%x", $_ } @addr;
3496	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3846	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3497	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3847	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3498	or die "addr2line: $!";	3848	or die "addr2line: $!";
…		…
3506	}	3856	}
3507		3857
3508	@funcs	3858	@funcs
3509	};	3859	};
3510		3860
3511	LOG llevInfo, "[ABT] $msg\n";	3861	LOG llevInfo, "[ABT] $perl_bt\n";
		3862	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3512	LOG llevInfo, "[ABT] $_\n" for @bt;	3863	LOG llevInfo, "[ABT] $_\n" for @bt;
3513	--$_log_backtrace;	3864	--$_log_backtrace;
3514	};	3865	};
3515	} else {	3866	} else {
3516	LOG llevInfo, "[ABT] $msg\n";	3867	LOG llevInfo, "[ABT] $msg\n";

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