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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.355 by root, Sun Sep 2 12:45:44 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) = @_;
…		…
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~";
…		…
1416		1580
1417	for my $login (@$dirs) {	1581	for my $login (@$dirs) {
1418	my $path = path $login;	1582	my $path = path $login;
1419		1583
1420	# a .pst is a dead give-away for a valid player	1584	# a .pst is a dead give-away for a valid player
1421	unless (-e "$path.pst") {	1585	# if no pst file found, open and chekc for blocked users
		1586	if (aio_stat "$path.pst") {
1422	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1587	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1423	aio_read $fh, 0, 512, my $buf, 0 or next;	1588	aio_read $fh, 0, 512, my $buf, 0 or next;
1424	$buf !~ /^password -------------$/m or next; # official not-valid tag	1589	$buf !~ /^password -------------$/m or next; # official not-valid tag
1425	}	1590	}
1426		1591
…		…
1461		1626
1462	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1627	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1463		1628
1464	Expand crossfire pod fragments into protocol xml.	1629	Expand crossfire pod fragments into protocol xml.
1465		1630
1466	=cut
1467
1468	sub expand_cfpod {
1469	((my $self), (local $_)) = @_;
1470
1471	# escape & and <
1472	s/&/&amp;/g;
1473	s/(?<![BIUGHT])</&lt;/g;
1474
1475	# this is buggy, it needs to properly take care of nested <'s
1476
1477	1 while
1478	# replace B<>, I<>, U<> etc.
1479	s/B<([^\>]*)>/<b>$1<\/b>/
1480	|| s/I<([^\>]*)>/<i>$1<\/i>/
1481	|| s/U<([^\>]*)>/<u>$1<\/u>/
1482	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1483	# replace G<male|female> tags
1484	|| s{G<([^>|]*)\|([^>]*)>}{
1485	$self->gender ? $2 : $1
1486	}ge
1487	# replace H<hint text>
1488	|| s{H<([^\>]*)>}
1489	{
1490	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1491	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1492	"")
1493	[$self->{hintmode}]
1494	}ge;
1495
1496	# create single paragraphs (very hackish)
1497	s/(?<=\S)\n(?=\w)/ /g;
1498
1499	# compress some whitespace
1500	s/\s+\n/\n/g; # ws line-ends
1501	s/\n\n+/\n/g; # double lines
1502	s/^\n+//; # beginning lines
1503	s/\n+$//; # ending lines
1504
1505	$_
1506	}
1507
1508	sub hintmode {
1509	$_[0]{hintmode} = $_[1] if @_ > 1;
1510	$_[0]{hintmode}
1511	}
1512
1513	=item $player->ext_reply ($msgid, @msg)	1631	=item $player->ext_reply ($msgid, @msg)
1514		1632
1515	Sends an ext reply to the player.	1633	Sends an ext reply to the player.
1516		1634
1517	=cut	1635	=cut
…		…
1583	our $MAX_RESET = 3600;	1701	our $MAX_RESET = 3600;
1584	our $DEFAULT_RESET = 3000;	1702	our $DEFAULT_RESET = 3000;
1585		1703
1586	sub generate_random_map {	1704	sub generate_random_map {
1587	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
1588	# mit "rum" bekleckern, nicht	1709	# mit "rum" bekleckern, nicht
1589	$self->_create_random_map (	1710	$self->_create_random_map (
1590	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1711	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1591	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1712	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1592	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1713	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1714		1835
1715	# the temporary/swap location	1836	# the temporary/swap location
1716	sub save_path {	1837	sub save_path {
1717	my ($self) = @_;	1838	my ($self) = @_;
1718		1839
1719	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1840	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1720	"$TMPDIR/$path.map"	1841	"$TMPDIR/$path.map"
1721	}	1842	}
1722		1843
1723	# the unique path, undef == no special unique path	1844	# the unique path, undef == no special unique path
1724	sub uniq_path {	1845	sub uniq_path {
1725	my ($self) = @_;	1846	my ($self) = @_;
1726		1847
1727	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1848	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1728	"$UNIQUEDIR/$path"	1849	"$UNIQUEDIR/$path"
1729	}	1850	}
1730		1851
1731	# and all this just because we cannot iterate over	1852	# and all this just because we cannot iterate over
1732	# all maps in C++...	1853	# all maps in C++...
…		…
1755		1876
1756	sub load_header_from($) {	1877	sub load_header_from($) {
1757	my ($self, $path) = @_;	1878	my ($self, $path) = @_;
1758		1879
1759	utf8::encode $path;	1880	utf8::encode $path;
1760	#aio_open $path, O_RDONLY, 0	1881	my $f = new_from_file cf::object::thawer $path
1761	# or return;
1762
1763	$self->_load_header ($path)
1764	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;
1765		1889
1766	$self->{load_path} = $path;	1890	$self->{load_path} = $path;
1767		1891
1768	1	1892	1
1769	}	1893	}
…		…
1823	sub find {	1947	sub find {
1824	my ($path, $origin) = @_;	1948	my ($path, $origin) = @_;
1825		1949
1826	$path = normalise $path, $origin && $origin->path;	1950	$path = normalise $path, $origin && $origin->path;
1827		1951
		1952	cf::lock_wait "map_data:$path";#d#remove
1828	cf::lock_wait "map_find:$path";	1953	cf::lock_wait "map_find:$path";
1829		1954
1830	$cf::MAP{$path} || do {	1955	$cf::MAP{$path} || do {
		1956	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1831	my $guard = cf::lock_acquire "map_find:$path";	1957	my $guard2 = cf::lock_acquire "map_find:$path";
		1958
1832	my $map = new_from_path cf::map $path	1959	my $map = new_from_path cf::map $path
1833	or return;	1960	or return;
1834		1961
1835	$map->{last_save} = $cf::RUNTIME;	1962	$map->{last_save} = $cf::RUNTIME;
1836		1963
…		…
1838	or return;	1965	or return;
1839		1966
1840	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1967	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1841	# doing this can freeze the server in a sync job, obviously	1968	# doing this can freeze the server in a sync job, obviously
1842	#$cf::WAIT_FOR_TICK->wait;	1969	#$cf::WAIT_FOR_TICK->wait;
		1970	undef $guard2;
		1971	undef $guard1;
1843	$map->reset;	1972	$map->reset;
1844	undef $guard;
1845	return find $path;	1973	return find $path;
1846	}	1974	}
1847		1975
1848	$cf::MAP{$path} = $map	1976	$cf::MAP{$path} = $map
1849	}	1977	}
…		…
1858	local $self->{deny_reset} = 1; # loading can take a long time	1986	local $self->{deny_reset} = 1; # loading can take a long time
1859		1987
1860	my $path = $self->{path};	1988	my $path = $self->{path};
1861		1989
1862	{	1990	{
1863	my $guard1 = cf::lock_acquire "map_data:$path";	1991	my $guard = cf::lock_acquire "map_data:$path";
1864	my $guard2 = cf::lock_acquire "map_load:$path";
1865		1992
		1993	return unless $self->valid;
1866	return if $self->in_memory != cf::MAP_SWAPPED;	1994	return unless $self->in_memory == cf::MAP_SWAPPED;
1867		1995
1868	$self->in_memory (cf::MAP_LOADING);	1996	$self->in_memory (cf::MAP_LOADING);
1869		1997
1870	$self->alloc;	1998	$self->alloc;
1871		1999
1872	$self->pre_load;	2000	$self->pre_load;
1873	cf::cede_to_tick;	2001	cf::cede_to_tick;
1874		2002
		2003	my $f = new_from_file cf::object::thawer $self->{load_path};
		2004	$f->skip_block;
1875	$self->_load_objects ($self->{load_path}, 1)	2005	$self->_load_objects ($f)
1876	or return;	2006	or return;
1877		2007
1878	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2008	$self->post_load_original
1879	if delete $self->{load_original};	2009	if delete $self->{load_original};
1880		2010
1881	if (my $uniq = $self->uniq_path) {	2011	if (my $uniq = $self->uniq_path) {
1882	utf8::encode $uniq;	2012	utf8::encode $uniq;
1883	if (aio_open $uniq, O_RDONLY, 0) {	2013	unless (aio_stat $uniq) {
		2014	if (my $f = new_from_file cf::object::thawer $uniq) {
1884	$self->clear_unique_items;	2015	$self->clear_unique_items;
1885	$self->_load_objects ($uniq, 0);	2016	$self->_load_objects ($f);
		2017	$f->resolve_delayed_derefs;
		2018	}
1886	}	2019	}
1887	}	2020	}
		2021
		2022	$f->resolve_delayed_derefs;
1888		2023
1889	cf::cede_to_tick;	2024	cf::cede_to_tick;
1890	# now do the right thing for maps	2025	# now do the right thing for maps
1891	$self->link_multipart_objects;	2026	$self->link_multipart_objects;
1892	$self->difficulty ($self->estimate_difficulty)	2027	$self->difficulty ($self->estimate_difficulty)
…		…
1904	}	2039	}
1905		2040
1906	$self->{last_save} = $cf::RUNTIME;	2041	$self->{last_save} = $cf::RUNTIME;
1907	$self->last_access ($cf::RUNTIME);	2042	$self->last_access ($cf::RUNTIME);
1908		2043
1909	$self->in_memory (cf::MAP_IN_MEMORY);	2044	$self->in_memory (cf::MAP_ACTIVE);
1910	}	2045	}
1911		2046
1912	$self->post_load;	2047	$self->post_load;
1913	}	2048	}
1914		2049
…		…
1972	my ($path, $origin, $load) = @_;	2107	my ($path, $origin, $load) = @_;
1973		2108
1974	$path = normalise $path, $origin && $origin->{path};	2109	$path = normalise $path, $origin && $origin->{path};
1975		2110
1976	if (my $map = $cf::MAP{$path}) {	2111	if (my $map = $cf::MAP{$path}) {
1977	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2112	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1978	}	2113	}
1979		2114
1980	$MAP_PREFETCH{$path} |= $load;	2115	$MAP_PREFETCH{$path} |= $load;
1981		2116
1982	$MAP_PREFETCHER ||= cf::async {	2117	$MAP_PREFETCHER ||= cf::async {
		2118	$Coro::current->{desc} = "map prefetcher";
		2119
1983	while (%MAP_PREFETCH) {	2120	while (%MAP_PREFETCH) {
1984	while (my ($k, $v) = each %MAP_PREFETCH) {	2121	while (my ($k, $v) = each %MAP_PREFETCH) {
1985	if (my $map = find $k) {	2122	if (my $map = find $k) {
1986	$map->load if $v;	2123	$map->load if $v;
1987	}	2124	}
…		…
2013	return if $self->{deny_save};	2150	return if $self->{deny_save};
2014		2151
2015	local $self->{last_access} = $self->last_access;#d#	2152	local $self->{last_access} = $self->last_access;#d#
2016		2153
2017	cf::async {	2154	cf::async {
		2155	$Coro::current->{desc} = "map player save";
2018	$_->contr->save for $self->players;	2156	$_->contr->save for $self->players;
2019	};	2157	};
		2158
		2159	cf::get_slot 0.02;
2020		2160
2021	if ($uniq) {	2161	if ($uniq) {
2022	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2162	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2023	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2163	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2024	} else {	2164	} else {
…		…
2033	$self->save;	2173	$self->save;
2034		2174
2035	my $lock = cf::lock_acquire "map_data:$self->{path}";	2175	my $lock = cf::lock_acquire "map_data:$self->{path}";
2036		2176
2037	return if $self->players;	2177	return if $self->players;
2038	return if $self->in_memory != cf::MAP_IN_MEMORY;	2178	return if $self->in_memory != cf::MAP_ACTIVE;
2039	return if $self->{deny_save};	2179	return if $self->{deny_save};
2040		2180
		2181	$self->in_memory (cf::MAP_SWAPPED);
		2182
		2183	$self->deactivate;
		2184	$_->clear_links_to ($self) for values %cf::MAP;
2041	$self->clear;	2185	$self->clear;
2042	$self->in_memory (cf::MAP_SWAPPED);
2043	}	2186	}
2044		2187
2045	sub reset_at {	2188	sub reset_at {
2046	my ($self) = @_;	2189	my ($self) = @_;
2047		2190
…		…
2079	if $uniq;	2222	if $uniq;
2080	}	2223	}
2081		2224
2082	delete $cf::MAP{$self->path};	2225	delete $cf::MAP{$self->path};
2083		2226
		2227	$self->deactivate;
		2228	$_->clear_links_to ($self) for values %cf::MAP;
2084	$self->clear;	2229	$self->clear;
2085
2086	$_->clear_links_to ($self) for values %cf::MAP;
2087		2230
2088	$self->unlink_save;	2231	$self->unlink_save;
2089	$self->destroy;	2232	$self->destroy;
2090	}	2233	}
2091		2234
…		…
2158		2301
2159	sub unique_maps() {	2302	sub unique_maps() {
2160	[	2303	[
2161	map {	2304	map {
2162	utf8::decode $_;	2305	utf8::decode $_;
2163	/\.map$/	2306	s/\.map$//; # TODO future compatibility hack
		2307	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2308	? ()
2164	? normalise $_	2309	: normalise $_
2165	: ()
2166	} @{ aio_readdir $UNIQUEDIR or [] }	2310	} @{ aio_readdir $UNIQUEDIR or [] }
2167	]	2311	]
2168	}	2312	}
2169		2313
2170	package cf;
2171
2172	=back	2314	=back
2173		2315
2174	=head3 cf::object	2316	=head3 cf::object
2175		2317
2176	=cut	2318	=cut
…		…
2179		2321
2180	=over 4	2322	=over 4
2181		2323
2182	=item $ob->inv_recursive	2324	=item $ob->inv_recursive
2183		2325
2184	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.
2185		2328
2186	=cut	2329	=cut
2187		2330
2188	sub inv_recursive_;	2331	sub inv_recursive_;
2189	sub inv_recursive_ {	2332	sub inv_recursive_ {
…		…
2192		2335
2193	sub inv_recursive {	2336	sub inv_recursive {
2194	inv_recursive_ inv $_[0]	2337	inv_recursive_ inv $_[0]
2195	}	2338	}
2196		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
2197	package cf;	2368	package cf;
2198		2369
2199	=back	2370	=back
2200		2371
2201	=head3 cf::object::player	2372	=head3 cf::object::player
…		…
2207	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>
2208	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
2209	dialogue with the given NPC character.	2380	dialogue with the given NPC character.
2210		2381
2211	=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	};
2212		2397
2213	# rough implementation of a future "reply" method that works	2398	# rough implementation of a future "reply" method that works
2214	# with dialog boxes.	2399	# with dialog boxes.
2215	#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
2216	sub cf::object::player::reply($$$;$) {	2401	sub cf::object::player::reply($$$;$) {
…		…
2228	my $dialog = $pl->{npc_dialog};	2413	my $dialog = $pl->{npc_dialog};
2229	$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));
2230		2415
2231	} else {	2416	} else {
2232	$msg = $npc->name . " says: $msg" if $npc;	2417	$msg = $npc->name . " says: $msg" if $npc;
2233	$self->message ($msg, $flags);	2418	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2234	}	2419	}
2235	}	2420	}
2236	}	2421	}
2237		2422
2238	=item $object->send_msg ($channel, $msg, $color, [extra...])	2423	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2263		2448
2264	=item $player_object->enter_link	2449	=item $player_object->enter_link
2265		2450
2266	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}>).
2267		2452
2268	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.
2269	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.
2270		2457
2271	Will never block.	2458	Will never block.
2272		2459
2273	=item $player_object->leave_link ($map, $x, $y)	2460	=item $player_object->leave_link ($map, $x, $y)
2274		2461
…		…
2332		2519
2333	$map->load;	2520	$map->load;
2334	$map->load_neighbours;	2521	$map->load_neighbours;
2335		2522
2336	return unless $self->contr->active;	2523	return unless $self->contr->active;
		2524	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2337	$self->activate_recursive;	2525	$self->activate_recursive;
2338		2526
2339	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2527	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2340	$self->enter_map ($map, $x, $y);	2528	$self->enter_map ($map, $x, $y);
2341	}	2529	}
…		…
2346	her, loading and preparing them map, calling the provided $check callback	2534	her, loading and preparing them map, calling the provided $check callback
2347	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
2348	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
2349	be called at the end of this process.	2537	be called at the end of this process.
2350		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
2351	=cut	2542	=cut
2352		2543
2353	our $GOTOGEN;	2544	our $GOTOGEN;
2354		2545
2355	sub cf::object::player::goto {	2546	sub cf::object::player::goto {
…		…
2359	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2550	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2360		2551
2361	$self->enter_link;	2552	$self->enter_link;
2362		2553
2363	(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
2364	my $map = eval {	2576	my $map = eval {
2365	my $map = cf::map::find $path;	2577	my $map = defined $path ? cf::map::find $path : undef;
2366		2578
2367	if ($map) {	2579	if ($map) {
2368	$map = $map->customise_for ($self);	2580	$map = $map->customise_for ($self);
2369	$map = $check->($map) if $check && $map;	2581	$map = $check->($map) if $check && $map;
2370	} else {	2582	} else {
2371	$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);
2372	}	2584	}
2373		2585
2374	$map	2586	$map
2375	};	2587	};
2376		2588
…		…
2412	}	2624	}
2413		2625
2414	sub prepare_random_map {	2626	sub prepare_random_map {
2415	my ($exit) = @_;	2627	my ($exit) = @_;
2416		2628
2417	my $guard = cf::lock_acquire "exit_prepare:$exit";
2418
2419	# all this does is basically replace the /! path by	2629	# all this does is basically replace the /! path by
2420	# a new random map path (?random/...) with a seed	2630	# a new random map path (?random/...) with a seed
2421	# that depends on the exit object	2631	# that depends on the exit object
2422		2632
2423	my $rmp = parse_random_map_params $exit->msg;	2633	my $rmp = parse_random_map_params $exit->msg;
…		…
2425	if ($exit->map) {	2635	if ($exit->map) {
2426	$rmp->{region} = $exit->region->name;	2636	$rmp->{region} = $exit->region->name;
2427	$rmp->{origin_map} = $exit->map->path;	2637	$rmp->{origin_map} = $exit->map->path;
2428	$rmp->{origin_x} = $exit->x;	2638	$rmp->{origin_x} = $exit->x;
2429	$rmp->{origin_y} = $exit->y;	2639	$rmp->{origin_y} = $exit->y;
		2640
		2641	$exit->map->touch;
2430	}	2642	}
2431		2643
2432	$rmp->{random_seed} ||= $exit->random_seed;	2644	$rmp->{random_seed} ||= $exit->random_seed;
2433		2645
2434	my $data = cf::to_json $rmp;	2646	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2435	my $md5 = Digest::MD5::md5_hex $data;	2647	my $md5 = Digest::MD5::md5_hex $data;
2436	my $meta = "$RANDOMDIR/$md5.meta";	2648	my $meta = "$RANDOMDIR/$md5.meta";
2437		2649
2438	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2650	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2439	aio_write $fh, 0, (length $data), $data, 0;	2651	aio_write $fh, 0, (length $data), $data, 0;
2440	undef $fh;	2652	undef $fh;
2441	aio_rename "$meta~", $meta;	2653	aio_rename "$meta~", $meta;
2442		2654
		2655	my $slaying = "?random/$md5";
		2656
		2657	if ($exit->valid) {
2443	$exit->slaying ("?random/$md5");	2658	$exit->slaying ("?random/$md5");
2444	$exit->msg (undef);	2659	$exit->msg (undef);
		2660	}
2445	}	2661	}
2446	}	2662	}
2447		2663
2448	sub cf::object::player::enter_exit {	2664	sub cf::object::player::enter_exit {
2449	my ($self, $exit) = @_;	2665	my ($self, $exit) = @_;
2450		2666
2451	return unless $self->type == cf::PLAYER;	2667	return unless $self->type == cf::PLAYER;
2452		2668
2453	if ($exit->slaying eq "/!") {
2454	#TODO: this should de-fi-ni-te-ly not be a sync-job
2455	# the problem is that $exit might not survive long enough
2456	# so it needs to be done right now, right here
2457	cf::sync_job { prepare_random_map $exit };
2458	}
2459
2460	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2461	my $hp = $exit->stats->hp;
2462	my $sp = $exit->stats->sp;
2463
2464	$self->enter_link;	2669	$self->enter_link;
2465		2670
2466	# if exit is damned, update players death & WoR home-position
2467	$self->contr->savebed ($slaying, $hp, $sp)
2468	if $exit->flag (FLAG_DAMNED);
2469
2470	(async {	2671	(async {
2471	$self->deactivate_recursive; # just to be sure	2672	$Coro::current->{desc} = "enter_exit";
		2673
2472	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
2473	$self->goto ($slaying, $hp, $sp);	2689	$self->goto ($map, $x, $y);
2474		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
2475	1;	2695	1
2476	}) {	2696	}) {
2477	$self->message ("Something went wrong deep within the crossfire server. "	2697	$self->message ("Something went wrong deep within the crossfire server. "
2478	. "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. "
2479	. "Please report this to the dungeon master!",	2699	. "Please report this to the dungeon master!",
2480	cf::NDI_UNIQUE | cf::NDI_RED);	2700	cf::NDI_UNIQUE | cf::NDI_RED);
…		…
2510	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
2511	the message unless the client supports the msg packet.	2731	the message unless the client supports the msg packet.
2512		2732
2513	=cut	2733	=cut
2514		2734
		2735	# non-persistent channels (usually the info channel)
2515	our %CHANNEL = (	2736	our %CHANNEL = (
2516	"c/identify" => {	2737	"c/identify" => {
2517	id => "identify",	2738	id => "infobox",
2518	title => "Identify",	2739	title => "Identify",
2519	reply => undef,	2740	reply => undef,
2520	tooltip => "Items recently identified",	2741	tooltip => "Items recently identified",
2521	},	2742	},
2522	"c/examine" => {	2743	"c/examine" => {
2523	id => "examine",	2744	id => "infobox",
2524	title => "Examine",	2745	title => "Examine",
2525	reply => undef,	2746	reply => undef,
2526	tooltip => "Signs and other items you examined",	2747	tooltip => "Signs and other items you examined",
2527	},	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	},
2528	);	2791	);
2529		2792
2530	sub cf::client::send_msg {	2793	sub cf::client::send_msg {
2531	my ($self, $channel, $msg, $color, @extra) = @_;	2794	my ($self, $channel, $msg, $color, @extra) = @_;
2532		2795
2533	$msg = $self->pl->expand_cfpod ($msg);	2796	$msg = $self->pl->expand_cfpod ($msg);
2534		2797
2535	$color &= cf::NDI_CLIENT_MASK; # just in case...	2798	$color &= cf::NDI_CLIENT_MASK; # just in case...
2536		2799
2537	# check predefined channels, for the benefit of C	2800	# check predefined channels, for the benefit of C
2538	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};	2801	if ($CHANNEL{$channel}) {
		2802	$channel = $CHANNEL{$channel};
2539		2803
		2804	$self->ext_msg (channel_info => $channel)
		2805	if $self->can_msg;
		2806
		2807	$channel = $channel->{id};
		2808
2540	if (ref $channel) {	2809	} elsif (ref $channel) {
2541	# send meta info to client, if not yet sent	2810	# send meta info to client, if not yet sent
2542	unless (exists $self->{channel}{$channel->{id}}) {	2811	unless (exists $self->{channel}{$channel->{id}}) {
2543	$self->{channel}{$channel->{id}} = $channel;	2812	$self->{channel}{$channel->{id}} = $channel;
2544	$self->ext_msg (channel_info => $channel)	2813	$self->ext_msg (channel_info => $channel)
2545	if $self->can_msg;	2814	if $self->can_msg;
…		…
2553	if ($self->can_msg) {	2822	if ($self->can_msg) {
2554	# default colour, mask it out	2823	# default colour, mask it out
2555	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2824	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2556	if $color & cf::NDI_DEF;	2825	if $color & cf::NDI_DEF;
2557		2826
2558	$self->send_packet ("msg " . $self->{json_coder}->encode (	2827	my $pkt = "msg "
		2828	. $self->{json_coder}->encode (
2559	[$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);
2560	} else {	2843	} else {
2561	if ($color >= 0) {	2844	if ($color >= 0) {
2562	# replace some tags by gcfclient-compatible ones	2845	# replace some tags by gcfclient-compatible ones
2563	for ($msg) {	2846	for ($msg) {
2564	1 while	2847	1 while
…		…
2762	=pod	3045	=pod
2763		3046
2764	The following functions and methods are available within a safe environment:	3047	The following functions and methods are available within a safe environment:
2765		3048
2766	cf::object	3049	cf::object
2767	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
2768	insert remove name archname title slaying race decrease_ob_nr	3051	insert remove name archname title slaying race decrease split
2769		3052
2770	cf::object::player	3053	cf::object::player
2771	player	3054	player
2772		3055
2773	cf::player	3056	cf::player
…		…
2778		3061
2779	=cut	3062	=cut
2780		3063
2781	for (	3064	for (
2782	["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
2783	insert remove inv name archname title slaying race	3066	insert remove inv nrof name archname title slaying race
2784	decrease_ob_nr)],	3067	decrease split destroy change_exp)],
2785	["cf::object::player" => qw(player)],	3068	["cf::object::player" => qw(player)],
2786	["cf::player" => qw(peaceful)],	3069	["cf::player" => qw(peaceful)],
2787	["cf::map" => qw(trigger)],	3070	["cf::map" => qw(trigger)],
2788	) {	3071	) {
2789	no strict 'refs';	3072	no strict 'refs';
…		…
2894	{	3177	{
2895	my $faces = $facedata->{faceinfo};	3178	my $faces = $facedata->{faceinfo};
2896		3179
2897	while (my ($face, $info) = each %$faces) {	3180	while (my ($face, $info) = each %$faces) {
2898	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3181	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3182
2899	cf::face::set_visibility $idx, $info->{visibility};	3183	cf::face::set_visibility $idx, $info->{visibility};
2900	cf::face::set_magicmap $idx, $info->{magicmap};	3184	cf::face::set_magicmap $idx, $info->{magicmap};
2901	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};
2902	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};
2903		3187
2904	cf::cede_to_tick;	3188	cf::cede_to_tick;
2905	}	3189	}
2906		3190
2907	while (my ($face, $info) = each %$faces) {	3191	while (my ($face, $info) = each %$faces) {
2908	next unless $info->{smooth};	3192	next unless $info->{smooth};
		3193
2909	my $idx = cf::face::find $face	3194	my $idx = cf::face::find $face
2910	or next;	3195	or next;
		3196
2911	if (my $smooth = cf::face::find $info->{smooth}) {	3197	if (my $smooth = cf::face::find $info->{smooth}) {
2912	cf::face::set_smooth $idx, $smooth;	3198	cf::face::set_smooth $idx, $smooth;
2913	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3199	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2914	} else {	3200	} else {
2915	warn "smooth face '$info->{smooth}' not found for face '$face'";	3201	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2933	{	3219	{
2934	# TODO: for gcfclient pleasure, we should give resources	3220	# TODO: for gcfclient pleasure, we should give resources
2935	# that gcfclient doesn't grok a >10000 face index.	3221	# that gcfclient doesn't grok a >10000 face index.
2936	my $res = $facedata->{resource};	3222	my $res = $facedata->{resource};
2937		3223
2938	my $soundconf = delete $res->{"res/sound.conf"};
2939
2940	while (my ($name, $info) = each %$res) {	3224	while (my ($name, $info) = each %$res) {
		3225	if (defined $info->{type}) {
2941	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3226	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2942	my $data;	3227	my $data;
2943		3228
2944	if ($info->{type} & 1) {	3229	if ($info->{type} & 1) {
2945	# prepend meta info	3230	# prepend meta info
2946		3231
2947	my $meta = $enc->encode ({	3232	my $meta = $enc->encode ({
2948	name => $name,	3233	name => $name,
2949	%{ $info->{meta} || {} },	3234	%{ $info->{meta} || {} },
2950	});	3235	});
2951		3236
2952	$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};
2953	} else {	3244	} else {
2954	$data = $info->{data};	3245	$RESOURCE{$name} = $info;
2955	}	3246	}
2956		3247
2957	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2958	cf::face::set_type $idx, $info->{type};
2959
2960	cf::cede_to_tick;	3248	cf::cede_to_tick;
2961	}	3249	}
2962
2963	if ($soundconf) {
2964	$soundconf = $enc->decode (delete $soundconf->{data});
2965
2966	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2967	my $sound = $soundconf->{compat}[$_]
2968	or next;
2969
2970	my $face = cf::face::find "sound/$sound->[1]";
2971	cf::sound::set $sound->[0] => $face;
2972	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2973	}
2974
2975	while (my ($k, $v) = each %{$soundconf->{event}}) {
2976	my $face = cf::face::find "sound/$v";
2977	cf::sound::set $k => $face;
2978	}
2979	}
2980	}	3250	}
		3251
		3252	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2981		3253
2982	1	3254	1
2983	}	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	});
2984		3276
2985	register_exticmd fx_want => sub {	3277	register_exticmd fx_want => sub {
2986	my ($ns, $want) = @_;	3278	my ($ns, $want) = @_;
2987		3279
2988	while (my ($k, $v) = each %$want) {	3280	while (my ($k, $v) = each %$want) {
2989	$ns->fx_want ($k, $v);	3281	$ns->fx_want ($k, $v);
2990	}	3282	}
2991	};	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	}
2992		3294
2993	sub reload_regions {	3295	sub reload_regions {
2994	# 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
2995	# for this (global event?)	3297	# for this (global event?)
2996	%ext::player_env::MUSIC_FACE_CACHE = ();	3298	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3010	}	3312	}
3011		3313
3012	sub reload_archetypes {	3314	sub reload_archetypes {
3013	load_resource_file "$DATADIR/archetypes"	3315	load_resource_file "$DATADIR/archetypes"
3014	or die "unable to load archetypes\n";	3316	or die "unable to load archetypes\n";
3015	#d# NEED to laod twice to resolve forward references
3016	# this really needs to be done in an extra post-pass
3017	# (which needs to be synchronous, so solve it differently)
3018	load_resource_file "$DATADIR/archetypes"
3019	or die "unable to load archetypes\n";
3020	}	3317	}
3021		3318
3022	sub reload_treasures {	3319	sub reload_treasures {
3023	load_resource_file "$DATADIR/treasures"	3320	load_resource_file "$DATADIR/treasures"
3024	or die "unable to load treasurelists\n";	3321	or die "unable to load treasurelists\n";
3025	}	3322	}
3026		3323
3027	sub reload_resources {	3324	sub reload_resources {
3028	warn "reloading resource files...\n";	3325	warn "reloading resource files...\n";
3029		3326
		3327	reload_facedata;
		3328	reload_archetypes;
3030	reload_regions;	3329	reload_regions;
3031	reload_facedata;
3032	#reload_archetypes;#d#
3033	reload_archetypes;
3034	reload_treasures;	3330	reload_treasures;
3035		3331
3036	warn "finished reloading resource files\n";	3332	warn "finished reloading resource files\n";
3037	}	3333	}
3038		3334
3039	sub init {	3335	sub init {
		3336	my $guard = freeze_mainloop;
		3337
		3338	evthread_start IO::AIO::poll_fileno;
		3339
3040	reload_resources;	3340	reload_resources;
3041	}	3341	}
3042		3342
3043	sub reload_config {	3343	sub reload_config {
3044	open my $fh, "<:utf8", "$CONFDIR/config"	3344	open my $fh, "<:utf8", "$CONFDIR/config"
3045	or return;	3345	or return;
3046		3346
3047	local $/;	3347	local $/;
3048	*CFG = YAML::Syck::Load <$fh>;	3348	*CFG = YAML::Load <$fh>;
3049		3349
3050	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3350	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3051		3351
3052	$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};
3053	$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};
…		…
3059	};	3359	};
3060	warn $@ if $@;	3360	warn $@ if $@;
3061	}	3361	}
3062	}	3362	}
3063		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
3064	sub main {	3383	sub main {
		3384	atomic;
		3385
3065	# we must not ever block the main coroutine	3386	# we must not ever block the main coroutine
3066	local $Coro::idle = sub {	3387	local $Coro::idle = sub {
3067	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#
3068	(async {	3389	(async {
3069	Event::one_event;	3390	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3391	EV::loop EV::LOOP_ONESHOT;
3070	})->prio (Coro::PRIO_MAX);	3392	})->prio (Coro::PRIO_MAX);
3071	};	3393	};
3072		3394
		3395	{
		3396	my $guard = freeze_mainloop;
3073	reload_config;	3397	reload_config;
3074	db_init;	3398	db_init;
3075	load_extensions;	3399	load_extensions;
3076		3400
3077	$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
3078	Event::loop;	3409	EV::loop;
3079	}	3410	}
3080		3411
3081	#############################################################################	3412	#############################################################################
3082	# initialisation and cleanup	3413	# initialisation and cleanup
3083		3414
3084	# install some emergency cleanup handlers	3415	# install some emergency cleanup handlers
3085	BEGIN {	3416	BEGIN {
		3417	our %SIGWATCHER = ();
3086	for my $signal (qw(INT HUP TERM)) {	3418	for my $signal (qw(INT HUP TERM)) {
3087	Event->signal (	3419	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3088	reentrant => 0,
3089	data => WF_AUTOCANCEL,
3090	signal => $signal,
3091	prio => 0,
3092	cb => sub {
3093	cf::cleanup "SIG$signal";	3420	cf::cleanup "SIG$signal";
3094	},
3095	);	3421	};
3096	}	3422	}
3097	}	3423	}
3098		3424
3099	sub write_runtime {	3425	sub write_runtime_sync {
3100	my $runtime = "$LOCALDIR/runtime";
3101
3102	# first touch the runtime file to show we are still running:	3426	# first touch the runtime file to show we are still running:
3103	# the fsync below can take a very very long time.	3427	# the fsync below can take a very very long time.
3104		3428
3105	IO::AIO::aio_utime $runtime, undef, undef;	3429	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3106		3430
3107	my $guard = cf::lock_acquire "write_runtime";	3431	my $guard = cf::lock_acquire "write_runtime";
3108		3432
3109	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3433	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3110	or return;	3434	or return;
3111		3435
3112	my $value = $cf::RUNTIME + 90 + 10;	3436	my $value = $cf::RUNTIME + 90 + 10;
3113	# 10 is the runtime save interval, for a monotonic clock	3437	# 10 is the runtime save interval, for a monotonic clock
3114	# 60 allows for the watchdog to kill the server.	3438	# 60 allows for the watchdog to kill the server.
…		…
3124	aio_utime $fh, undef, undef;	3448	aio_utime $fh, undef, undef;
3125		3449
3126	close $fh	3450	close $fh
3127	or return;	3451	or return;
3128		3452
3129	aio_rename "$runtime~", $runtime	3453	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3130	and return;	3454	and return;
3131		3455
3132	warn "runtime file written.\n";	3456	warn "runtime file written.\n";
3133		3457
3134	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($$) {
		3498	my ($skip, $sync) = @_;
		3499
		3500	$sync ? write_uuid_sync $skip
		3501	: async { write_uuid_sync $skip };
3135	}	3502	}
3136		3503
3137	sub emergency_save() {	3504	sub emergency_save() {
3138	my $freeze_guard = cf::freeze_mainloop;	3505	my $freeze_guard = cf::freeze_mainloop;
3139		3506
…		…
3145	# and maps saved/destroyed asynchronously.	3512	# and maps saved/destroyed asynchronously.
3146	warn "begin emergency player save\n";	3513	warn "begin emergency player save\n";
3147	for my $login (keys %cf::PLAYER) {	3514	for my $login (keys %cf::PLAYER) {
3148	my $pl = $cf::PLAYER{$login} or next;	3515	my $pl = $cf::PLAYER{$login} or next;
3149	$pl->valid or next;	3516	$pl->valid or next;
		3517	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3150	$pl->save;	3518	$pl->save;
3151	}	3519	}
3152	warn "end emergency player save\n";	3520	warn "end emergency player save\n";
3153		3521
3154	warn "begin emergency map save\n";	3522	warn "begin emergency map save\n";
…		…
3160	warn "end emergency map save\n";	3528	warn "end emergency map save\n";
3161		3529
3162	warn "begin emergency database checkpoint\n";	3530	warn "begin emergency database checkpoint\n";
3163	BDB::db_env_txn_checkpoint $DB_ENV;	3531	BDB::db_env_txn_checkpoint $DB_ENV;
3164	warn "end emergency database checkpoint\n";	3532	warn "end emergency database checkpoint\n";
		3533
		3534	warn "begin write uuid\n";
		3535	write_uuid_sync 1;
		3536	warn "end write uuid\n";
3165	};	3537	};
3166		3538
3167	warn "leave emergency perl save\n";	3539	warn "leave emergency perl save\n";
3168	}	3540	}
3169		3541
3170	sub post_cleanup {	3542	sub post_cleanup {
3171	my ($make_core) = @_;	3543	my ($make_core) = @_;
3172		3544
3173	warn Carp::longmess "post_cleanup backtrace"	3545	warn Carp::longmess "post_cleanup backtrace"
3174	if $make_core;	3546	if $make_core;
		3547
		3548	my $fh = pidfile;
		3549	unlink $PIDFILE if <$fh> == $$;
3175	}	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 $RELOAD; # how many times to reload
3176		3579
3177	sub do_reload_perl() {	3580	sub do_reload_perl() {
3178	# can/must only be called in main	3581	# can/must only be called in main
3179	if ($Coro::current != $Coro::main) {	3582	if ($Coro::current != $Coro::main) {
3180	warn "can only reload from main coroutine";	3583	warn "can only reload from main coroutine";
3181	return;	3584	return;
3182	}	3585	}
3183		3586
		3587	return if $RELOAD++;
		3588
		3589	while ($RELOAD) {
3184	warn "reloading...";	3590	warn "reloading...";
3185		3591
3186	warn "entering sync_job";	3592	warn "entering sync_job";
3187		3593
3188	cf::sync_job {	3594	cf::sync_job {
3189	cf::write_runtime; # external watchdog should not bark	3595	cf::write_runtime_sync; # external watchdog should not bark
3190	cf::emergency_save;	3596	cf::emergency_save;
3191	cf::write_runtime; # external watchdog should not bark	3597	cf::write_runtime_sync; # external watchdog should not bark
3192		3598
3193	warn "syncing database to disk";	3599	warn "syncing database to disk";
3194	BDB::db_env_txn_checkpoint $DB_ENV;	3600	BDB::db_env_txn_checkpoint $DB_ENV;
3195		3601
3196	# 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
3197		3603
3198	warn "cancelling all WF_AUTOCANCEL watchers";
3199	for (Event::all_watchers) {
3200	$_->cancel if $_->data & WF_AUTOCANCEL;
3201	}
3202
3203	warn "flushing outstanding aio requests";	3604	warn "flushing outstanding aio requests";
3204	for (;;) {
3205	BDB::flush;
3206	IO::AIO::flush;
3207	Coro::cede;
3208	last unless IO::AIO::nreqs || BDB::nreqs;	3605	while (IO::AIO::nreqs || BDB::nreqs) {
3209	warn "iterate...";	3606	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3210	}
3211
3212	++$RELOAD;
3213
3214	warn "cancelling all extension coros";
3215	$_->cancel for values %EXT_CORO;
3216	%EXT_CORO = ();
3217
3218	warn "removing commands";
3219	%COMMAND = ();
3220
3221	warn "removing ext/exti commands";
3222	%EXTCMD = ();
3223	%EXTICMD = ();
3224
3225	warn "unloading/nuking all extensions";
3226	for my $pkg (@EXTS) {
3227	warn "... unloading $pkg";
3228
3229	if (my $cb = $pkg->can ("unload")) {
3230	eval {
3231	$cb->($pkg);
3232	1
3233	} or warn "$pkg unloaded, but with errors: $@";
3234	}	3607	}
3235		3608
3236	warn "... nuking $pkg";	3609	warn "cancelling all extension coros";
3237	Symbol::delete_package $pkg;	3610	$_->cancel for values %EXT_CORO;
3238	}	3611	%EXT_CORO = ();
3239		3612
3240	warn "unloading all perl modules loaded from $LIBDIR";	3613	warn "removing commands";
3241	while (my ($k, $v) = each %INC) {	3614	%COMMAND = ();
3242	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3243		3615
		3616	warn "removing ext/exti commands";
		3617	%EXTCMD = ();
		3618	%EXTICMD = ();
		3619
		3620	warn "unloading/nuking all extensions";
		3621	for my $pkg (@EXTS) {
3244	warn "... unloading $k";	3622	warn "... unloading $pkg";
3245	delete $INC{$k};
3246		3623
3247	$k =~ s/\.pm$//;
3248	$k =~ s/\//::/g;
3249
3250	if (my $cb = $k->can ("unload_module")) {	3624	if (my $cb = $pkg->can ("unload")) {
		3625	eval {
3251	$cb->();	3626	$cb->($pkg);
		3627	1
		3628	} or warn "$pkg unloaded, but with errors: $@";
		3629	}
		3630
		3631	warn "... clearing $pkg";
		3632	clear_package $pkg;
3252	}	3633	}
3253		3634
3254	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 $k;
3255	}	3650	}
3256		3651
3257	warn "getting rid of safe::, as good as possible";	3652	warn "getting rid of safe::, as good as possible";
3258	Symbol::delete_package "safe::$_"	3653	clear_package "safe::$_"
3259	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);
3260		3655
3261	warn "unloading cf.pm \"a bit\"";	3656	warn "unloading cf.pm \"a bit\"";
3262	delete $INC{"cf.pm"};	3657	delete $INC{"cf.pm"};
3263	delete $INC{"cf/pod.pm"};	3658	delete $INC{"cf/pod.pm"};
3264		3659
3265	# don't, removes xs symbols, too,	3660	# don't, removes xs symbols, too,
3266	# and global variables created in xs	3661	# and global variables created in xs
3267	#Symbol::delete_package __PACKAGE__;	3662	#clear_package __PACKAGE__;
3268		3663
3269	warn "unload completed, starting to reload now";	3664	warn "unload completed, starting to reload now";
3270		3665
3271	warn "reloading cf.pm";	3666	warn "reloading cf.pm";
3272	require cf;	3667	require cf;
3273	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3668	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3274		3669
3275	warn "loading config and database again";	3670	warn "loading config and database again";
3276	cf::reload_config;	3671	cf::reload_config;
3277		3672
3278	warn "loading extensions";	3673	warn "loading extensions";
3279	cf::load_extensions;	3674	cf::load_extensions;
3280		3675
3281	warn "reattaching attachments to objects/players";	3676	warn "reattaching attachments to objects/players";
3282	_global_reattach; # objects, sockets	3677	_global_reattach; # objects, sockets
3283	warn "reattaching attachments to maps";	3678	warn "reattaching attachments to maps";
3284	reattach $_ for values %MAP;	3679	reattach $_ for values %MAP;
3285	warn "reattaching attachments to players";	3680	warn "reattaching attachments to players";
3286	reattach $_ for values %PLAYER;	3681	reattach $_ for values %PLAYER;
3287		3682
3288	warn "leaving sync_job";	3683	warn "leaving sync_job";
3289		3684
3290	1	3685	1
3291	} or do {	3686	} or do {
3292	warn $@;	3687	warn $@;
3293	warn "error while reloading, exiting.";	3688	cf::cleanup "error while reloading, exiting.";
3294	exit 1;
3295	};	3689	};
3296		3690
3297	warn "reloaded";	3691	warn "reloaded";
		3692	--$RELOAD;
		3693	}
3298	};	3694	};
3299		3695
3300	our $RELOAD_WATCHER; # used only during reload	3696	our $RELOAD_WATCHER; # used only during reload
3301		3697
3302	sub reload_perl() {	3698	sub reload_perl() {
3303	# doing reload synchronously and two reloads happen back-to-back,	3699	# doing reload synchronously and two reloads happen back-to-back,
3304	# coro crashes during coro_state_free->destroy here.	3700	# coro crashes during coro_state_free->destroy here.
3305		3701
3306	$RELOAD_WATCHER ||= Event->timer (	3702	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3307	reentrant => 0,
3308	after => 0,
3309	data => WF_AUTOCANCEL,
3310	cb => sub {
3311	do_reload_perl;	3703	do_reload_perl;
3312	undef $RELOAD_WATCHER;	3704	undef $RELOAD_WATCHER;
3313	},
3314	);	3705	};
3315	}	3706	}
3316		3707
3317	register_command "reload" => sub {	3708	register_command "reload" => sub {
3318	my ($who, $arg) = @_;	3709	my ($who, $arg) = @_;
3319		3710
3320	if ($who->flag (FLAG_WIZ)) {	3711	if ($who->flag (FLAG_WIZ)) {
3321	$who->message ("reloading server.");	3712	$who->message ("reloading server.");
		3713	async {
		3714	$Coro::current->{desc} = "perl_reload";
3322	async { reload_perl };	3715	reload_perl;
		3716	};
3323	}	3717	}
3324	};	3718	};
3325		3719
3326	unshift @INC, $LIBDIR;	3720	unshift @INC, $LIBDIR;
3327		3721
…		…
3329		3723
3330	our @WAIT_FOR_TICK;	3724	our @WAIT_FOR_TICK;
3331	our @WAIT_FOR_TICK_BEGIN;	3725	our @WAIT_FOR_TICK_BEGIN;
3332		3726
3333	sub wait_for_tick {	3727	sub wait_for_tick {
3334	return unless $TICK_WATCHER->is_active;
3335	return if $Coro::current == $Coro::main;	3728	return if tick_inhibit || $Coro::current == $Coro::main;
3336		3729
3337	my $signal = new Coro::Signal;	3730	my $signal = new Coro::Signal;
3338	push @WAIT_FOR_TICK, $signal;	3731	push @WAIT_FOR_TICK, $signal;
3339	$signal->wait;	3732	$signal->wait;
3340	}	3733	}
3341		3734
3342	sub wait_for_tick_begin {	3735	sub wait_for_tick_begin {
3343	return unless $TICK_WATCHER->is_active;
3344	return if $Coro::current == $Coro::main;	3736	return if tick_inhibit || $Coro::current == $Coro::main;
3345		3737
3346	my $signal = new Coro::Signal;	3738	my $signal = new Coro::Signal;
3347	push @WAIT_FOR_TICK_BEGIN, $signal;	3739	push @WAIT_FOR_TICK_BEGIN, $signal;
3348	$signal->wait;	3740	$signal->wait;
3349	}	3741	}
3350		3742
3351	my $min = 1e6;#d#	3743	sub tick {
3352	my $avg = 10;
3353	$TICK_WATCHER = Event->timer (
3354	reentrant => 0,
3355	parked => 1,
3356	prio => 0,
3357	at => $NEXT_TICK || $TICK,
3358	data => WF_AUTOCANCEL,
3359	cb => sub {
3360	if ($Coro::current != $Coro::main) {	3744	if ($Coro::current != $Coro::main) {
3361	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3745	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3362	unless ++$bug_warning > 10;	3746	unless ++$bug_warning > 10;
3363	return;	3747	return;
3364	}	3748	}
3365		3749
3366	$NOW = $tick_start = Event::time;
3367
3368	cf::server_tick; # one server iteration	3750	cf::server_tick; # one server iteration
3369		3751
3370	0 && sync_job {#d#	3752	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3371	for(1..10) {	3753	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3372	my $t = Event::time;	3754	Coro::async_pool {
3373	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3755	$Coro::current->{desc} = "runtime saver";
3374	or die;	3756	write_runtime_sync
3375		3757	or warn "ERROR: unable to write runtime file: $!";
3376	$map->width (50);
3377	$map->height (50);
3378	$map->alloc;
3379	$map->_load_objects ("/tmp/x.map", 1);
3380	my $t = Event::time - $t;
3381
3382	#next unless $t < 0.0013;#d#
3383	if ($t < $min) {
3384	$min = $t;
3385	}
3386	$avg = $avg * 0.99 + $t * 0.01;
3387	}
3388	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3389	exit 0;
3390	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3391	};	3758	};
		3759	}
3392		3760
3393	$RUNTIME += $TICK;
3394	$NEXT_TICK += $TICK;
3395
3396	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3397	$NEXT_RUNTIME_WRITE = $NOW + 10;
3398	Coro::async_pool {
3399	write_runtime
3400	or warn "ERROR: unable to write runtime file: $!";
3401	};
3402	}
3403
3404	# my $AFTER = Event::time;
3405	# warn $AFTER - $NOW;#d#
3406
3407	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3761	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3408	$sig->send;	3762	$sig->send;
3409	}	3763	}
3410	while (my $sig = shift @WAIT_FOR_TICK) {	3764	while (my $sig = shift @WAIT_FOR_TICK) {
3411	$sig->send;	3765	$sig->send;
3412	}	3766	}
3413		3767
3414	$NOW = Event::time;	3768	$LOAD = ($NOW - $TICK_START) / $TICK;
3415
3416	# if we are delayed by four ticks or more, skip them all
3417	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3418
3419	$TICK_WATCHER->at ($NEXT_TICK);
3420	$TICK_WATCHER->start;
3421
3422	$LOAD = ($NOW - $tick_start) / $TICK;
3423	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3769	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3424		3770
3425	_post_tick;	3771	if (0) {
3426		3772	if ($NEXT_TICK) {
3427		3773	my $jitter = $TICK_START - $NEXT_TICK;
		3774	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3775	warn "jitter $JITTER\n";#d#
		3776	}
3428	},	3777	}
3429	);	3778	}
3430		3779
3431	{	3780	{
3432	BDB::max_poll_time $TICK * 0.1;	3781	# configure BDB
3433	$BDB_POLL_WATCHER = Event->io (	3782
3434	reentrant => 0,
3435	fd => BDB::poll_fileno,
3436	poll => 'r',
3437	prio => 0,
3438	data => WF_AUTOCANCEL,
3439	cb => \&BDB::poll_cb,
3440	);
3441	BDB::min_parallel 8;	3783	BDB::min_parallel 8;
3442		3784	BDB::max_poll_reqs $TICK * 0.1;
3443	BDB::set_sync_prepare {	3785	$AnyEvent::BDB::WATCHER->priority (1);
3444	my $status;
3445	my $current = $Coro::current;
3446	(
3447	sub {
3448	$status = $!;
3449	$current->ready; undef $current;
3450	},
3451	sub {
3452	Coro::schedule while defined $current;
3453	$! = $status;
3454	},
3455	)
3456	};
3457		3786
3458	unless ($DB_ENV) {	3787	unless ($DB_ENV) {
3459	$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);
3460		3794
3461	cf::sync_job {	3795	cf::sync_job {
3462	eval {	3796	eval {
3463	BDB::db_env_open	3797	BDB::db_env_open
3464	$DB_ENV,	3798	$DB_ENV,
…		…
3466	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3800	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3467	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3801	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3468	0666;	3802	0666;
3469		3803
3470	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3804	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3471
3472	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3473	$DB_ENV->set_lk_detect;
3474	};	3805	};
3475		3806
3476	cf::cleanup "db_env_open(db): $@" if $@;	3807	cf::cleanup "db_env_open(db): $@" if $@;
3477	};	3808	};
3478	}	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	};
3479	}	3820	}
3480		3821
3481	{	3822	{
		3823	# configure IO::AIO
		3824
3482	IO::AIO::min_parallel 8;	3825	IO::AIO::min_parallel 8;
3483
3484	undef $Coro::AIO::WATCHER;
3485	IO::AIO::max_poll_time $TICK * 0.1;	3826	IO::AIO::max_poll_time $TICK * 0.1;
3486	$AIO_POLL_WATCHER = Event->io (	3827	undef $AnyEvent::AIO::WATCHER;
3487	reentrant => 0,
3488	data => WF_AUTOCANCEL,
3489	fd => IO::AIO::poll_fileno,
3490	poll => 'r',
3491	prio => 6,
3492	cb => \&IO::AIO::poll_cb,
3493	);
3494	}	3828	}
3495		3829
3496	my $_log_backtrace;	3830	my $_log_backtrace;
3497		3831
3498	sub _log_backtrace {	3832	sub _log_backtrace {
…		…
3501	$msg =~ s/\n//;	3835	$msg =~ s/\n//;
3502		3836
3503	# limit the # of concurrent backtraces	3837	# limit the # of concurrent backtraces
3504	if ($_log_backtrace < 2) {	3838	if ($_log_backtrace < 2) {
3505	++$_log_backtrace;	3839	++$_log_backtrace;
		3840	my $perl_bt = Carp::longmess $msg;
3506	async {	3841	async {
		3842	$Coro::current->{desc} = "abt $msg";
		3843
3507	my @bt = fork_call {	3844	my @bt = fork_call {
3508	@addr = map { sprintf "%x", $_ } @addr;	3845	@addr = map { sprintf "%x", $_ } @addr;
3509	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3846	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3510	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 |"
3511	or die "addr2line: $!";	3848	or die "addr2line: $!";
…		…
3519	}	3856	}
3520		3857
3521	@funcs	3858	@funcs
3522	};	3859	};
3523		3860
3524	LOG llevInfo, "[ABT] $msg\n";	3861	LOG llevInfo, "[ABT] $perl_bt\n";
		3862	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3525	LOG llevInfo, "[ABT] $_\n" for @bt;	3863	LOG llevInfo, "[ABT] $_\n" for @bt;
3526	--$_log_backtrace;	3864	--$_log_backtrace;
3527	};	3865	};
3528	} else {	3866	} else {
3529	LOG llevInfo, "[ABT] $msg\n";	3867	LOG llevInfo, "[ABT] $msg\n";

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